From dea3101e0a5c897d2c9351a7444e139db9f40247 Mon Sep 17 00:00:00 2001 From: Date: Sun, 17 Apr 2005 16:05:31 -0500 Subject: [PATCH] lpfc: add Emulex FC driver version 8.0.28 From: James.Smart@Emulex.Com Modified for kernel import and Signed-off-by: James Bottomley --- Documentation/scsi/ChangeLog.lpfc | 1865 ++++++++++++++++ Documentation/scsi/lpfc.txt | 83 + drivers/scsi/Kconfig | 8 + drivers/scsi/Makefile | 1 + drivers/scsi/lpfc/Makefile | 32 + drivers/scsi/lpfc/lpfc.h | 384 ++++ drivers/scsi/lpfc/lpfc_attr.c | 1291 +++++++++++ drivers/scsi/lpfc/lpfc_compat.h | 97 + drivers/scsi/lpfc/lpfc_crtn.h | 216 ++ drivers/scsi/lpfc/lpfc_ct.c | 1237 +++++++++++ drivers/scsi/lpfc/lpfc_disc.h | 206 ++ drivers/scsi/lpfc/lpfc_els.c | 3258 ++++++++++++++++++++++++++++ drivers/scsi/lpfc/lpfc_hbadisc.c | 2537 ++++++++++++++++++++++ drivers/scsi/lpfc/lpfc_hw.h | 2687 +++++++++++++++++++++++ drivers/scsi/lpfc/lpfc_init.c | 1739 +++++++++++++++ drivers/scsi/lpfc/lpfc_logmsg.h | 41 + drivers/scsi/lpfc/lpfc_mbox.c | 646 ++++++ drivers/scsi/lpfc/lpfc_mem.c | 179 ++ drivers/scsi/lpfc/lpfc_nportdisc.c | 1842 ++++++++++++++++ drivers/scsi/lpfc/lpfc_scsi.c | 1246 +++++++++++ drivers/scsi/lpfc/lpfc_scsi.h | 157 ++ drivers/scsi/lpfc/lpfc_sli.c | 2885 ++++++++++++++++++++++++ drivers/scsi/lpfc/lpfc_sli.h | 216 ++ drivers/scsi/lpfc/lpfc_version.h | 32 + 24 files changed, 22885 insertions(+) create mode 100644 Documentation/scsi/ChangeLog.lpfc create mode 100644 Documentation/scsi/lpfc.txt create mode 100644 drivers/scsi/lpfc/Makefile create mode 100644 drivers/scsi/lpfc/lpfc.h create mode 100644 drivers/scsi/lpfc/lpfc_attr.c create mode 100644 drivers/scsi/lpfc/lpfc_compat.h create mode 100644 drivers/scsi/lpfc/lpfc_crtn.h create mode 100644 drivers/scsi/lpfc/lpfc_ct.c create mode 100644 drivers/scsi/lpfc/lpfc_disc.h create mode 100644 drivers/scsi/lpfc/lpfc_els.c create mode 100644 drivers/scsi/lpfc/lpfc_hbadisc.c create mode 100644 drivers/scsi/lpfc/lpfc_hw.h create mode 100644 drivers/scsi/lpfc/lpfc_init.c create mode 100644 drivers/scsi/lpfc/lpfc_logmsg.h create mode 100644 drivers/scsi/lpfc/lpfc_mbox.c create mode 100644 drivers/scsi/lpfc/lpfc_mem.c create mode 100644 drivers/scsi/lpfc/lpfc_nportdisc.c create mode 100644 drivers/scsi/lpfc/lpfc_scsi.c create mode 100644 drivers/scsi/lpfc/lpfc_scsi.h create mode 100644 drivers/scsi/lpfc/lpfc_sli.c create mode 100644 drivers/scsi/lpfc/lpfc_sli.h create mode 100644 drivers/scsi/lpfc/lpfc_version.h diff --git a/Documentation/scsi/ChangeLog.lpfc b/Documentation/scsi/ChangeLog.lpfc new file mode 100644 index 000000000000..ae3f962a7cfc --- /dev/null +++ b/Documentation/scsi/ChangeLog.lpfc @@ -0,0 +1,1865 @@ +Known issues : + * Please read the associated RELEASE-NOTES file !!! + * This source release intended for upstream kernel releases only! + +Changes from 20050323 to 20050413 + + * Changed version number to 8.0.28 + * Fixed build warning for 2.6.12-rc2 kernels: mempool_alloc now + requires a function which takes an unsigned int for gfp_flags. + * Removed pci dma sync calls to coherent/consistent pci memory. + * Merged patch from Christoph Hellwig : split helpers + for fabric and nport logins out of lpfc_cmpl_els_flogi. + * Removed sysfs attributes that are used to dump the various + discovery lists. + * Fix for issue where not all luns are seen. Search all lists + other than unmap list in lpfc_find_target(). Otherwise INQUIRY + to luns on nodes in NPR or other relevant states (PLOGI, + PRLI...) are errored back and scan() terminates. + * Removed FC_TRANSPORT_PATCHESxxx defines. They're in 2.6.12-rc1. + * Compare return value of lpfc_scsi_tgt_reset against SCSI + midlayer codes SUCCESS/FAILED which that function returns rather + than SLI return code. + * Removed extraneous calls to lpfc_sli_next_iotag which should + only be called from lpfc_sli_submit_iocb. Also make + lpfc_sli_next_iotag static. + * Added PCI ID for LP10000-S. + * Changes in lpfc_abort_handler(): Return SUCCESS if we did not + find command in both TX and TX completion queues. Return ERROR + if we timed out waiting for command to complete after abort was + issued. + * Zero-out response sense length in lpfc_scsi_prep_cmnd to prevent + interpretation of stale sense length when the command completes + - was causing spurious 0710 messages. + * Moved clearing of host_scribble inside host_lock in IO + completion path. + * Fixed a bunch of mixed tab/space indentation. + * Allow hex format numbers in sysfs attribute setting. Fix + application hang when invalid numbers are used in sysfs + settings. + * Removed extra iotag allocation by lpfc_abort_handler. + * Clear host_scribble in the scsi_cmnd structure when failing in + queuecommand. + * Changed logic at top of lpfc_abort_handler so that if the + command's host_scibble field is NULL, return SUCCESS because the + driver has already returned the command to the midlayer. + +Changes from 20050308 to 20050323 + + * Changed version number to 8.0.27 + * Changed a few lines from patch submitted by Christoph Hellwig + (3/19). MAILBOX_WSIZE * (uint32_t) is replaced with an + equivalent MAILBOX_CMDSIZE macro. + * Merged patch from Christoph Hellwig (3/19): some misc patches + against the latest drivers: + - stop using volatile. if you need special ordering use memory + barriers but that doesn't seem to be the case here + - switch lpfc_sli_pcimem_bcopy to take void * arguments. + - remove typecast for constants - a U postfix marks them + unsigned int in C + - add a MAILBOX_CMD_SIZE macro, as most users of + MAILBOX_CMD_WSIZE didn't really want the word count + - kill struct lpfc_scsi_dma_buf and embedded the two members + directly in struct lpfc_scsi_buf + - don't call dma_sync function on allocations from + pci_pool_alloc - it's only for streaming mappings (pci_map_*) + * Merged patch from Christoph Hellwig (3/19) - nlp_failMask isn't + ever used by the driver, just reported to userspace (and that in + a multi-value file which is against the sysfs guidelines). + * Change pci_module_init to pci_register_module() with appropriate + ifdefs. + * Added #include as required by the DMA + 32bit and 64bit defines on some archs. + * Merged patch from Christoph Hellwig (03/19) - fix initialization + order - scsi_add_host must happen last from scsi POV. Also some + minor style/comment fixups. + * Fixed use of TRANSPORT_PATCHES_V2 by changing to + FC_TRANSPORT_PATCHES_V2. + +Changes from 20050223 to 20050308 + + * Changed version number to 8.0.26 + * Revise TRANSPORT_PATCHES_V2 so that lpfc_target is removed and + rport data is used instead. Removed device_queue_hash[]. + * Changed RW attributes of scan_down, max_luns and fcp_bind_method + to R only. + * Fixed RSCN handling during initial link initialization. + * Fixed issue with receiving PLOGI handling when node is on NPR + list and marked for ADISC. + * Fixed RSCN timeout issues. + * Reduced severity of "SCSI layer issued abort device" message to + KERN_WARNING. + * Feedback from Christoph Hellwig (on 2/5) - In the LPFC_EVT_SCAN + case the caller already has the target ID handly, so pass that + one in evt_arg1. + * Fix compile warning/resultant panic in + lpfc_register_remote_port(). + +Changes from 20050215 to 20050223 + + * Changed version number to 8.0.25 + * Add appropriate comments to lpfc_sli.c. + * Use DMA_64BIT_MASK and DMA_32BIT_MASK defines instead of + 0xffffffffffffffffULL & 0xffffffffULL respectively. Use pci + equivalents instead of dma_set_mask and also modify condition + clause to actually exit on error condition. + * Restart els timeout handler only if txcmplq_cnt. On submission, + mod_timer the els_tmofunc. This prevents the worker thread from + waking up the els_tmo handler un-necessarily. The thread was + being woken up even when there were no pending els commands. + * Added new typedefs for abort and reset functions. + * Collapsed lpfc_sli_abort_iocb_xxx into a single function. + * Collapsed lpfc_sli_sum_iocb_xxx into a single function. + * Removed TXQ from all abort and reset handlers since it is never + used. + * Fixed Oops panic in 8.0.23 (reported on SourceForge). The + driver was not handling LPFC_IO_POLL cases correctly in + fast_ring_event and was setting the tgt_reset timeout to 0 in + lpfc_reset_bus_handler. This 0 timeout would not allow the FW + to timeout ABTS's on bad targets and allow the driver to have an + iocb on two lists. Also split the lpfc_sli_ringtxcmpl_get + function into two routines to match the fast and slow completion + semantics - ELS completions worked for the wrong reasons. Also + provided new log message number - had two 0326 entries. + * Removed unused #define LPFC_SCSI_INITIAL_BPL_SIZE. + * Removed unused struct lpfc_node_farp_pend definition. + * Removed unused #define LPFC_SLIM2_PAGE_AREA. + * Changed zeros used as pointers to NULL. + * Removed unneeded braces around single line in lpfc_do_work. + * Close humongous memory leak in lpfc_sli.c - driver was losing 13 + iocbq structures per LIP. + * Removed last of GFP_ATOMIC allocations. + * Locks are not taken outside of nportdisc, hbadisc, els and most + of the init, sli, mbox and ct groups of functions + * Fix comment for lpfc_sli_iocb_cmd_type to fit within 80 columns. + * Replaced wait_event() with wait_event_interruptible(). + wait_event() puts the woker thread in an UNINTERRUPTIBLE state + causing it to figure in load average calculations. Also add a + BUG_ON to the ret code of wait_event_interruptible() since the + premise is that the worker thread is signal-immune. + +Changes from 20050208 to 20050215 + + * Changed version number to 8.0.24 + * Fixed a memory leak of iocbq structure. For ELS solicited iocbs + sli layer now frees the response iocbs after processing it. + * Closed large memory leak -- we were losing 13 iocbq structures + per LIP. + * Changing EIO and ENOMEM to -EIO and -ENOMEM respectively. + * Cleanup of lpfc_sli_iocb_cmd_type array and typing of iocb type. + * Implemented Christoph Hellwig's feedback from 02/05: Remove + macros putLunHigh, putLunLow. Use lpfc_put_lun() inline instead. + * Integrated Christoph Hellwig's feedback from 02/05: Instead of + cpu_to_be32(), use swab16((uint16_t)lun). This is the same as + "swab16() on LE" and "<<16 on BE". + * Added updates for revised FC remote port patch (dev_loss_tmo + moved to rport, hostdata renamed dd_data, add fc_remote_host() + on shutdown). + * Removed unnecessary function prototype. + * Added code to prevent waking up worker thread after the exit of + worker thread. Fixes panic seen with insmod/rmmod testing with + 70 disks. + * Integrated Christoph Hellwig's patch from 1/30: Make some + variables/code static (namely lpfcAlpaArray and + process_nodev_timeout()). + * Integrated Christoph Hellwig's patch from 1/30: Use + switch...case instead of if...else if...else if while decoding + JDEC id. + +Changes from 20050201 to 20050208 + + * Changed version number to 8.0.23 + * Make lpfc_work_done, lpfc_get_scsi_buf, + lpfc_mbx_process_link_up, lpfc_mbx_issue_link_down and + lpfc_sli_chipset_init static. + * Cleaned up references to list_head->next field in the driver. + * Replaced lpfc_discq_post_event with lpfc_workq_post_event. + * Implmented Christoph Hellwig's review from 2/5: Check for return + values of kmalloc. + * Integrated Christoph Hellwig's patch from 1/30: Protecting + scan_tmo and friends in !FC_TRANSPORT_PATCHES_V2 && + !USE_SCAN_TARGET. + * Integrated Christoph Hellwig's patch from 1/30: Some fixes in + the evt handling area. + * Integrated Christoph Hellwig's patch from 1/30: Remove usage of + intr_inited variable. The interrupt initilization from OS side + now happens in lpfc_probe_one(). + * Integrated Christoph Hellwig's patch from 1/30: remove shim + lpfc_alloc_transport_attr - remove shim lpfc_alloc_shost_attrs - + remove shim lpfc_scsi_host_init - allocate phba mem in scsi's + hostdata readjust code so that they are no use after free's + (don't use after scsi_host_put) - make lpfc_alloc_sysfs_attr + return errors + * Fixed panic in lpfc_probe_one(). Do not delete in a list + iterator that is not safe. + * Clean up fast lookup array of the fcp_ring when aborting iocbs. + * Following timeout handlers moved to the lpfc worker thread: + lpfc_disc_timeout, lpfc_els_timeout, lpfc_mbox, lpfc_fdmi_tmo, + lpfc_nodev_timeout, lpfc_els_retry_delay. + * Removed unused NLP_NS_NODE #define. + * Integrated Christoph Hellwig's patch from 1/30: remove unused + lpfc_hba_list; remove unused lpfc_rdrev_wd30; remove + lpfc_get_brd_no and use Linux provided IDR. + * Changed board reset procedure so that lpfc_sli_send_reset() + writes the INITFF bit and leaves lpfc_sli_brdreset() to clear + the bit. + * Removed outfcpio sysfs device attribute. + * VPD changes: 1) Modify driver to use the model name and + description from the VPD data if it exists 2) Rework use of DUMP + mailbox command to support HBAs with 256 bytes of SLIM. + * Fixed compile error for implicit definition of struct + scsi_target + +Changes from 20050124 to 20050201 + + * Changed version number to 8.0.22 + * Moved discovery timeout handler to worker thread. There are + function calls in this function which are not safe to call from + HW interrupt context. + * Removed free_irq from the error path of HBA initialization. + This will fix the free of uninitialised IRQ when config_port + fails. + * Make sure function which processes unsolicited IOCBs on ELS ring + still is called with the lock held. + * Clear LA bit from work_ha when we are not supposed to handle LA. + * Fix double locking bug in the error handling part of + lpfc_mbx_cmpl_read_la. + * Implemented fast IOCB processing for FCP ring. + * Since mboxes are now unconditionally allocated outside of the + lock, free them in cases where they are not used. + * Moved out a couple of GFP_ATOMICs in lpfc_disc_timeout, to + before locks so that they can GFP_KERNEL instead. Also cleaned + up code. + * Collapsed interrupt handling code into one function. + * Removed event posting and handling of solicited and unsolicited + iocbs. + * Remove ELS ring handling leftovers from the lpfc_sli_inter(). + * ELS ring (any slow ring) moved from the lpfc_sli_inter() into a + worker thread. Link Attention, Mbox Attention, and Error + Attention, as well as slow rings' attention is passed to the + worker thread via worker thread copy of Host Attention + register. Corresponding events are removed from the event queue + handling. + * Add entries to hba structure to delegate some functionality from + the lpfc_sli_inter() to a worker thread. + * Reduced used of GFP_ATOMIC for memory allocations. + * Moved locks deeper in order to change GFP_ATOMIC to GFP_KERNEL. + * IOCB initialization fix for Raw IO. + * Removed qcmdcnt, iodonecnt, errcnt from lpfc_target and from + driver. + * Added call to lpfc_els_abort in lpfc_free_node. Modified + lpfc_els_abort to reset txq and txcmplq iterator after a + iocb_cmpl call. + * Fixed a use after free issue in lpfc_init.c. + * Defined default mailbox completion routine and removed code in + the sli layer which checks the mbox_cmpl == 0 to free mail box + resources. + * In lpfc_workq_post_event, clean up comment formatting and remove + unneeded cast of kmalloc's return. + * Removed loop which calls fc_remote_port_unblock and + fc_remote_port_delete for every target as this same effect is + accomplished by the scsi_remove_host call. + * Minor cleanup of header files. Stop header files including + other header files. Removed sentinels which hide multiple + inclusions. Removed unneeded #include directives. + * Fixed memory leaks in mailbox error paths. + * Moved lock from around of lpfc_work_done to lpfc_work_done + itself. + * Removed typedef for LPFC_WORK_EVT_t and left just struct + lpfc_work_evt to comply with linux_scsi review coding style. + * Fixed some trailing whitespaces, spaces used for indentation and + ill-formatting multiline comments. + * Bug fix for Raw IO errors. Reuse of IOCBs now mandates setting + of ulpPU and fcpi_parm to avoid incorrect read check of Write IO + and incorrect read length. + +Changes from 20050110 to 20050124 + + * Changed version number to 8.0.21 + * Removed unpleasant casting in the definition and use of + lpfc_disc_action function pointer array. + * Makefile cleanup. Use ?= operator for setting default + KERNELVERSION and BASEINCLUDE values. Use $(PWD) consistently. + * Removed call to lpfc_sli_intr from lpfc_config_port_post. All + Linux systems will service hardware interrupts while bringing up + the driver. + * Christoph Hellwig change request: Reorg of contents of + lpfc_hbadisc.c, lpfc_scsi.h, lpfc_init.c, lpfc_sli.c, + lpfc_attr.c, lpfc_scsi.c. + * Renamed discovery thread to lpfc_worker thread. Moved handling + of error attention and link attention and mbox event handler to + lpfc_worker thread. + * Removed .proc_info and .proc_name from the driver template and + associated code. + * Removed check of FC_UNLOADING flag in lpfc_queuecommand to + determine what result to return. + * Move modification of FC_UNLOADING flag under host_lock. + * Fix IOERR_RCV_BUFFER_WAITING handling for CT and ELS subsystem. + * Workaround firmware bug for IOERR_RCV_BUFFER_WAITING on ELS + ring. + * Fixed a couple lpfc_post_buffer problems in lpfc_init.c. + * Add missing spaces to the parameter descriptions for + lpfc_cr_delay, lpfc_cr_count and lpfc_discovery_threads. + * Lock before calling lpfc_sli_hba_down(). + * Fix leak of "host" in the error path in the remove_one() path. + * Fix comment for lpfc_cr_count. It defaults to 1. + * Fix issue where we are calling lpfc_disc_done() recursively from + lpfc_linkdown(), but list_for_each_entry_safe() is not safe for + such use. + * Bump lpfc_discovery_threads (count of outstading ELS commands in + discovery) to 32 + * If the SCSI midlayer tries to recover from an error on a lun + while the corresponding target is in the NPR state, lpfc driver + will reject all the resets. This will cause the target to be + moved to offline state and block all the I/Os. The fix for this + is to delay the lun reset to a target which is not in MAPPED + state until the target is rediscovered or nodev timeout is + fired. + +Changes from 20041229 to 20050110 + + * Changed version number to 8.0.20 + * rport fix: use new fc_remote_port_rolechg() function instead of + direct structure change + * rport fix: last null pointer check + * Phase II of GFP_ATOMIC effort. Replaced iocb_mem_pool and + scsibuf_mem_pool with kmalloc and linked list. Inserted list + operations for mempool_alloc calls. General code cleanup. All + abort and reset routines converted. Handle_ring_event + converted. + * If the mbox_cmpl == lpfc_sli_wake_mbox_wait in + lpfc_sli_handle_mb_event, pmb->context1 points to a waitq. Do + not free the structure. + * rport fixes: fix for rmmod crash + * rport fixes: when receiving PRLI's, set node/rport role values + * rport fixes: fix for unload and for fabric port deletes + * VPD info bug fix. + * lpfc_linkdown() should be able to process all outstanding events + by calling lpfc_disc_done() even if it is called from + lpfc_disc_done() Moving all events from phba->dpc_disc to local + local_dpc_disc prevents those events from being processed. + Removing that queue. From now on we should not see "Illegal + State Transition" messages. + * Release host lock and enable interrupts when calling + del_timer_sync() + * All related to rports: Clean up issues with rport deletion + Convert to using block/unblock on list remove (was del/add) + Moved rport delete to freenode - so rport tracks node. + * rport fixes: for fport, get maxframe and class support + information + * Added use of wait_event to work with kthread interface. + * Ensure that scsi_transport_fc.h is always pulled in by + lpfc_scsiport.c + * In remote port changes: no longer nulling target->pnode when + removing from mapped list. Pnode get nulled when the node is + freed (after nodev tmo). This bug was causing i/o recieved in + the small window while the device was blocked to be errored w/ + did_no_connect. With the fix, it returns host_busy + (per the pre-remote port changes). + * Merge in support for fc transport remote port use. This removes + any consistent bindings within the driver. All scanning is now + on a per-target basis driven by the discovery engine. + +Changes from 20041220 to 20041229 + + * Changed version number to 8.0.19 + * Fixed bug for handling RSCN type 3. Terminate RSCN mode + properly after ADISC handling completes. + * Add list_remove_head macro. Macro cleans up memory allocation + list handling. Also clean up lpfc_reset_bus_handler - routine + does not need to allocate its own scsi_cmnd and scsi_device + structures. + * Fixed potential discovery bug, nlp list corrutpion fix potential + memory leak + * Part 1 of the memory allocation rework request by linux-scsi. + This effort fixes the number of bdes per scsi_buf to 64, makes + the scatter-gather count a module parameter, builds a linked + list of scsi_bufs, and removes all dependencies on lpfc_mem.h. + * Reverted lpfc_do_dpc, probe_one, remove_one to original + implementation. Too many problems (driver not completing + initial discovery, and IO not starting to disks). Backs out + kthread patch. + * Fix race condition in lpfc_do_dpc. If wake_up interrupt occurs + while lpfc_do_dpc is running disc_done and the dpc list is + empty, the latest insertion is missed and the schedule_timeout + does not wakeup. The sleep interval is MAX_SCHEDULE_TIMEOUT + defined as ~0UL >> 1, a very large number. Hacked it to 5*HZ + for now. + * Fixed bug introduced when discovery thread implementation was + moved to kthread. kthread_stop() is not able to wake up thread + waiting on a semaphore and "modprobe -r lpfc" is not always + (most of the times) able to complete. Fix is in not using + semaphore for the interruptable sleep. + * Small Makefile cleanup - Remove remnants of 2.4 vs. 2.6 + determination. + +Changes from 20041213 to 20041220 + + * Changed version number to 8.0.18 + * Janitorial cleanup after removal of sliinit and ringinit[] ring + statistic is owned by the ring and SLI stats are in sli + structure. + * Integrated patch from Christoph Hellwig Kill + compile warnings on 64 bit platforms: %variables for %llx format + specifiers must be caste to long long because %(u)int64_t can + just be long on 64bit platforms. + * Integrated patch from Christoph Hellwig Removes + dead code. + * Integrated patch from Christoph Hellwig : use + kthread interface. + * Print LPFC_MODULE_DESC banner in module init routine. + * Removed sliinit structure and ringinit[] array. + * Changed log message number from 324 to 326 in lpfc_sli.c. + * Wait longer for commands to complete in lpfc_reset_bus_handler + and lpfc_reset_bus_handler. Also use schedule_timeout() instead + of msleep() and add error message in lpfc_abort_handler() + * When setting lpfc_nodev_tmo, from dev_loss set routine, make 1 + sec minimum value. + * Functions which assume lock being held were called without lock + and kernel complained about unlocking lock which is not locked. + * Added code in linkdown to unreg if we know login session will be + terminated. + * Removed automap config parameter and fixed up use_adisc logic to + include FCP2 devices. + +Changes from 20041207 to 20041213 + + * Changed version number to 8.0.17 + * Fix sparse warnings by adding __iomem markers to lpfc_compat.h. + * Fix some sparse warnings -- 0 used as NULL pointer. + * Make sure there's a space between every if and it's (. + * Fix some overly long lines and make sure hard tabs are used for + indentation. + * Remove all trailing whitespace. + * Integrate Christoph Hellwig's patch for 8.0.14: if + pci_module_init fails we need to release the transport template. + (also don't print the driver name at startup, linux drivers can + be loaded without hardware present, and noise in the log for + that case is considered unpolite, better print messages only for + hardware actually found). + * Integrate Christoph Hellwig's patch for 8.0.14: Add missing + __iomem annotations, remove broken casts, mark functions static. + Only major changes is chaning of some offsets from word-based to + byte-based so we cans simply do void pointer arithmetics (gcc + extension) instead of casting to uint32_t. + * Integrate Christoph Hellwig's patch for 8.0.14: flag is always + LPFC_SLI_ABORT_IMED, aka 0 - remove dead code. + * Modified preprocessor #ifdef, #if, #ifndef to reflect upstream + kernel submission. Clean build with make clean;make and make + clean;make ADVANCED=1 on SMP x86, 2.6.10-rc2 on RHEL 4 Beta + 1. IO with a few lips and a long cable pull behaved accordingly. + * Implement full VPD support. + * Abort handler will try to wait for abort completion before + returning. Fixes some panics in iocb completion code path. + +Changes from 20041130 to 20041207 + + * Changed version number to 8.0.16 + * Hung dt session fix. When the midlayer calls to abort a scsi + command, make sure the driver does not complete post-abort + handler. Just NULL the iocb_cmpl callback handler and let SLI + take over. + * Add Read check that uses SLI option to validate all READ data + actually received. + + +Changes from 20041123 to 20041130 + + * Changed version number to 8.0.15 + * Ifdef'd unused "binary" attributes by DFC_DEBUG for clean + compiles + * Stop DID_ERROR from showing up along with QUEUE_FULL set by the + Clarion array (SCSI error ret. val. 0x70028) There is no need + for driver to hard fail command which was failed by the target + device. + * Fix for Scsi device scan bug reported on SourceForge. Driver + was returning a DID_ERROR in lpfc_handle_fcp_error causing + midlayer to mark report luns as failing even though it + succeeded. + * Don't ignore SCSI status on underrun conditions for inquiries, + test unit ready's, etc. This was causing us to lose + reservation conflicts, etc + +Changes from 20041018 to 20041123 + + * Changed version number to 8.0.14 + * Added new function "iterator" lpfc_sli_next_iocb_slot() which + returns pointer to iocb entry at cmdidx if queue is not full. + It also updates next_cmdidx, and local_getidx (but not cmdidx) + * lpfc_sli_submit_iocb() copies next_cmdidx into cmdidx. Now it is + the only place were we are updating cmdidx. + * lpfc_sli_update_ring() is split in to two -- + lpfc_sli_update_ring() and lpfc_sli_update_full_ring(). + * lpfc_sli_update_ring() don't to read back correct value of + cmdidx. + * Simplified lpfc_sli_resume_iocb() and its use. + * New static function lpfc_sli_next_iocb(phba, pring, &piocb) to + iterate through commands in the TX queue and new command (at the + end). + * Reduced max_lun to 256 (due to issues reported to some arrays). + Fixed comment, and macro values so def=256, min=1, max=32768. + * Fix an obvious typo/bug: kfree was used to free lpfc_scsi_buf + instead of mempool_free in lpfc_scsiport.c. + * Suppress nodev_tmo message for FABRIC nodes. + * Fixed some usage of plain integer as NULL pointer. + * Bug fix for FLOGI cmpl, lpfc_els_chk_latt error path code + cleanup. + * Fixup lpfc_els_chk_latt() to have Fabric NPorts go thru + discovery state machine as well. + * Fixes to lpfc_els_chk_latt(). + * Use DID not SCSI target id as a port_id and add some missing + locks in lpfc_fcp.c. + * Changed eh_abort_handler to return FAILED if command is not + found in driver. + * Fix crash: paging request at virtual address 0000000000100108 - + a result of removing from the txcmpl list item which was already + removed (100100 is a LIST_POISON1 value from the next pointer + and 8 is an offset of the "prev") Driver runs out of iotags and + does not handle that case well. The root of the proble is in the + initialization code in lpfc_sli.c + * Changes to work with proposed linux kernel patch to support + hotplug. + * Zero out seg_cnt in prep_io failure path to prevent double sg + unmap calls. + * Fix setting of upper 32 bits for Host Group Ring Pointers if in + SLIM. Old code was inappropriately masking off low order bits. + * Use scsi_[activate|deactivate]_tcq calls provided in scsi_tcq.h. + * Integrated patch from Christoph Hellwig (hch@lst.de): don't call + pci_dma_sync_* on coherent memory. pci_dma_sync_* is need and + must be used only with streaming dma mappings pci_map_*, not + coherent mappings. Note: There are more consistent mappings + that are using pci_dma_sync calls. Probably these should be + removed as well. + * Modified lpfc_free_scsi_buf to accomodate all three scsi_buf + free types to alleviate miscellaneous panics with cable pull + testing. + * Set hotplug to default 0 and lpfc_target_remove to not remove + devices unless hotplug is enabled. + * Fixed discovery bug: plogi cmpl uses ndlp after its freed. + * Fixed discovery bug: rnid acc cmpl, can potentially use ndlp + after its freed. + * Modularize code path in lpfc_target_remove(). + * Changes to support SCSI hotplug (ifdef'ed out because they need + kernel support USE_SCAN_TARGET requires kernel support to export + the interface to scsi_scan_target and to move the SCAN_WILD_CARD + define to a general scsi header file. USE_RESCAN_HOST requires + kernel support to export an interface to scan_scsi_host() with + the rescan flag turned on). + * Removed redundant variable declaration of lpfc_linkdown_tmo. + * Fix for large port count remove test. + * Added check to see if BAR1 register is valid before using BAR1 + register for programming config_port mail box command. + * Added lpfc_scsi_hotplug to enable/disable driver support of SCSI + hotplug. + * Changed lpfc_disc_neverdev() to lpfc_disc_illegal() and changed + lpfc_disc_nodev() to lpfc_disc_noop(). Adjusted appropriate + events to use these routines. + * Add support for SCSI device hotplug. + * Take dummy lpfc_target's into account for lpfc_slave_destroy(). + * Bug fix to store WWPN / WWNN in NameServer / FDMI lpfc_nodelist + entries. + * Added slavecnt in lpfc_target for diagnostic purposes. + * Added lpfc_hba load/unload flags to take care of special cases + for add/remove device. + * Have target add/remove delay before scanning. + * Have rmmod path cleanup blocked devices before scsi_remove_host. + * Added a #define for msleep for 2.6.5 kernels. + * In reset bus handler if memory allocation fails, return FAILED + and not SUCCESS. + * Have lpfc eh handlers, bus_reset and lun_reset, wait for all + associated I/Os to complete before returning. + * Fix memset byte count in lpfc_hba_init so that + LP1050 would initialize correctly. + * Backround nodev_timeout processing to DPC This enables us to + unblock (stop dev_loss_tmo) when appopriate. + * Fix array discovery with multiple luns. The max_luns was 0 at + the time the host structure was intialized. lpfc_cfg_params + then set the max_luns to the correct value afterwards. + * Remove unused define LPFC_MAX_LUN and set the default value of + lpfc_max_lun parameter to 512. + * Reduced stack usage of lpfc_hba_init. + * Cleaned up the following warning generated by + scripts/checkincludes.pl lpfc_fcp.c: scsi/scsi_cmnd.h is + included more than once. + * Replaced "set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(timeout)" with "msleep(timeout)". + * Fixnode was loosing starget when rediscovered. We saw messages + like: lpfc 0000:04:02.0: 0:0263 Cannot block scsi target as a + result. Moved starget field into struct lpfc_target which is + referenced from the node. + * Add additional SLI layer logging in lpfc_sli.c. + * Ignore more unexpected completions in lpfc_nportdisc.c. + * Can not call lpfc_target_unblock from the soft interrupt + context. It seems to be not nessasery to unblock target from + nodev timeout. + * Introduce and use less lethal event handler for unexpected + events in lpfc_nportdisc.c. + * Can not call fc_target_(un)block() functions with interrupts + disabled in lpfc_scsiport.c. + * Added new configuration parameter, lpfc_max_luns range 1-32768, + default 32768. + * Allow lpfc_fcp.c to call lpfc_get_hba_sym_node_name(). + * Increase nodev timeout from 20 seconds to 30 seconds. + * Replace some kfree((void*)ptr) with kfree(ptr). + * Make 3 functions static: lpfc_get_hba_sym_node_name, + lpfc_intr_prep and lpfc_setup_slim_access. Move lpfc_intr_prep + and lpfc_setup_slim_access so they're defined before being used. + * Remove an unecessary list_del() in lpfc_hbadisc.c. + * Set nlp_state before calling lpfc_nlp_list() since this will + potentially call fc_target_unblock which may cause a race in + queuecommand by releasing host_lock. + * Since lpfc_nodev_tmo < dev_loss_tmo remove queuecommand + DID_BAD_TARGET return for now. + * Fix a problem with rcv logo. + * Remove unused portstatistics_t structure. + * Remove #if 0 and unnecessary checks in lpfc_fcp.c. + * Simplify lpfc_issue_lip: Extra layer of protection removed. + * Grab lock before calling lpfc_sli_issue_mbox(phba, pmb, + MBX_NOWAIT) in lpfc_sli_issue_mbox_wait(). + +Changes from 20040920 to 20041018 + + * Changed version number to 8.0.13 + * Hide some attributes using #ifndef DFC_DEBUG ... #endif. + * Modify Makefile to (1) make BUILD_NO_DEBUG=1 will hide some + (binary) attributes (2) make BUILD_FC_TRANS=0 will build driver + for 2.6.5 kernel with block/unblock patch. + * Modified #ifdef names. + * Added support for proposed FC transport host attributes (which + replaces some of the attributes we had local to the driver). + Removed the binary statistics sysfs attribute. + * Added extra ELS verbose logging for ELS responses. + * Added recognition for BUILD_FC_TRANS=2 to Makefile to define + FC_TRANS_VER2. + * Add a pointer for link stats allocation. + * Exported lpfc_get_hba_sym_node_name for use by FC_TRANS_VER2 + sysfs routines. + * Fix discovery problem in lip testing: if device sends an ELS cmd + (i.e. LOGO) before our FLOGI completes it should be LS_RJT'ed. + * Moved #defines around to provide target_add/remove for upstream + kernel deliverables only not SLES9. Provided ifdefs to #include + target_block/unblock only if FC_TRANS_VER1. + * Add sanity check in lpfc_nlp_list move setting nlp_Target + outside #ifdef. + * Added a blocked member to the lpfc_target structure for + block/unblock. This member allows the driver to know when to + unblock for pci_remove_one or pci_add_one. #ifdef'd some more + block/unblock stuff and removed some defensive checks from + target_block/unblock. + * Moved + 5 second window to dev_loss_tmo setting and updated + comments. + * Removed NULL target check from target_block/unblock and fixed up + a few comments. + * Enable sysfs attributes on 2.6.5 kernels and remove extra + compatibility code. + * Remove any and all trailing whitespace. + * Added message 0718 and return error when dma_map_single fails. + * Changed the fcpCntl2 commands to include an FCP_ prefix to get + rid of build warnings on later 2.6.9-rc kernels. Build + conflicts with scsi/scsi.h. Remove inclusions of scsi/scsi.h + from hbadisc.c, sli.c, and fcp.c since these modules had no + dependencies on scsi.h. + * Fixed a bug with RSCN handling. A RSCN received on one device, + shouldn't affect other devices not referenced by the RSCN. + * Moved #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,6) to include + lpfc_jedec_to_ascii to prevent warning in SLES 9. + * Update Makefile to account for SLES 9 and scsi-target upstream + kernel. + * This checkin provides block/unblock hooks for the upstream scsi + target kernel and 2.6.5 on SLES9 SP1 with the block/unblock + patch. + * Discovery changes regarding setting targetp->pnode and + ndlp->nlp_Target Ensure fc_target_* routines are called properly + from discovery. Remove list_del's from lpfc_cleanup(). Ensure + all the lpfc_consistent_bind_* routines don't set any driver + structure objects. + * Fix for timeout of READ_LA or READ_SPARAM mailbox command + causing panic. + * Cleanup list_del()'s for Discovery ndlp lists. + * Bug fixes for some insmod/rmmod crashes, link down crashes and + device loss crashes. + * Removed NLP_SEARCH_DEQUE. + * Call lpfc_target_unblock only if the targetp is nonNull and with + the host_lock held. + * Added qcmdcnt back along with misc bug fixes to discovery. + * Changed tgt_io to outfcpio lpfc_fcp.c. + * Fixed errors caused by LIP and cable pulls both with and without + block/unblock patch. + * For now we have to call fc_target_unblock and fc_target_block + with interrupts enabled. + * Save seg_cnt from dma_map_sg. Save scatter-gather start address + and pass back to dma_unmap_sg in error with seg_cnt. + * Incorporating block/unblock calls into driver with ifdefs. This + change is supported by scsi-target-2.6 kernel and forward only. + * Merged in some discovery bug fixes and added tgt io counters. + * Added sysfs attributes/interfaces: read only attribute + "management_version" and write only attribute "issue_lip". + * Fix build on big endian machines: while #if was OK with + __BIG_ENDIAN which defined as 4321, __BIG_ENDIAN_BITFIELD has to + be tested with #ifdef because it does not have any value, it is + either defined or not. + * Add fabric_name and port_type attributes. + * Change mdelay to msleep. mdelay works, but wastefully uses cpu + resources without a lock held. Revert to msleep. Tested with + sg_reset for bus and three attached targets. + * Added the customary #ifndef...#define...#endif to + lpfc_version.h. + * Integrate patches from Christoph Hellwig: two new helpers common + to lpfc_sli_resume_iocb and lpfc_sli_issue_iocb - singificant + cleanup of those two functions - the unused SLI_IOCB_USE_TXQ is + gone - lpfc_sli_issue_iocb_wait loses it's flags argument + totally. + * Fix in lpfc_sli.c: we can not store a 5 bit value in a 4-bit + field. + * Moved some routines out of lpfc_fcp.c into more appropriate + files. + * Whitespace cleanup: remove all trailing whitespace. + * Make lpfc_disc_ndlp_show static to lpfc_fcp.c. + * Remove leftover printk and replace some with + printk(KERN_WARNING) + * Trivial: fix a few long lines and a soft tab. + * Remove warnings generated by Sparse against driver (make + C=1). Mostly these are "using integer as pointer warnings" + i.e. use NULL instead of 0. + * Integrated patch from Christoph Hellwig: Quite a lot of changes + here, the most notable is that the phba->slim2p lpfc_dmabuf goes + away in favour of a typede pointer and a dma_addr_t. Due to the + typed pointer lots of the cast mess can go away, and while at it + I also replaced the messy SLI2_SLIM_t with a simple struct + lpfc2_sli2_slim that only contains the part of the union we care + about while using SLI2_SLIM_SIZE for all size calculations + directly. + * Integrated patch from Christoph Hellwig: This streamlines the + I/O completion path a little more, especially taking care of + fast-pathing the non-error case. Also removes tons of dead + members and defines from lpfc_scsi.h - e.g. lpfc_target is down + to nothing more then the lpfc_nodelist pointer. + * Added binary sysfs file to issue mbox commands + * Replaced #if __BIG_ENDIAN with #if __BIG_ENDIAN_BITFIELD for + compatibility with the user space applications. + * Decrease the amount of data in proc_info. + * Condense nodelist flag members. + * Expand INFO for discovery sysfs shost entries. + * Notify user if information exceeds 4k sysfs limit. + * Removed a bunch of unused #defines. + * Added initial sysfs discovery shost attributes. + * Remove unused #defines lpfc_disc.h. + * Fixed failMask nodelist settings. + * Cleanup some old comments / unused variables. + * Add LP101 to list of recognized adapters. + +Changes from 20040908 to 20040920 + + * Changed version number to 8.0.12 + * Removed used #defines: DEFAULT_PCI_LATENCY_CLOCKS and + PCI_LATENCY_VALUE from lpfc_hw.h. + * Changes to accomodate rnid. + * Fix RSCN handling so RSCN NS queries only effect NPorts found in + RSCN data. + * If we rcv a plogi on a NPort queued up for discovery, clear the + NLP_NPR_2B_DISC bit since rcv plogi logic will force NPort thru + discovery. + * Ensure lpfc_target is also cleaned up in lpfc_cleanup(). + * Preliminary changes for block/unblock kernel API extensions in + progress with linux-scsi list. These are name changes and + prototype changes only. + * Added send_abts flag to lpfc_els_abort. For rcv LOGO when ADISC + sent, the XRI of the LOGO rcv'ed is the same as the ADISC + sent. Thus we cannot ABTS the ADISC before sending the LOGO ACC. + * Weed out some unused fc_flags. Add FC_DISC_TMO. + * board_online sysfs attribute added to support libdfc functions + InitDiagEnv and SetBrdEnv. + * Streamline code in lpfc_els_retry fixup abort case in + lpfc_els_timeout_handler(). + * Flush discovery/ELS events when we bring SLI layer down. + * ctlreg and slimem binary attributes added to support libdfc + read/write mem/ctl functions. + * Integrated Christoph Hellwig's patch: Cleanup + lpfc_sli_ringpostbuf_get. + * Modified lpfc_slave_alloc and lpfc_slave_destroy to allocate and + free a dummy target pointer. This allows queuecommand to skip + the NULL target pointer check and avoid the console spam when + slave_alloc fails. + * Fix cfg_scan_down logic, it was reversed. + * Init list head ctrspbuflist. + * Change name of lpfc_driver_abort to lpfc_els_abort since it is + only valid for ELS ring. + * Remove unused third argument for lpfc_consistent_bind_get(). + * Fix up iotag fields in lpfc_prep_els_iocb(). + * Remove log message on code path triggered by lpfc_els_abort(). + * Set host->unique_id in lpfc_fcp.c. + * Removed deadwood: lpfc_target.pHba not necessary anymore. + * Integrated patch from Christoph Hellwig: remove dead + SLI_IOCB_POLL handling. + * Integrated patch from Christoph Hellwig: Streamline I/O + submission and completion path a little. + * Remove unnecessary lpfc_brd_no. Ensure brd_no assignment is + unique. + * Removed unused MAX_FCP_LUN. + * Use mod_timer instead of add_timer for fdmi in lpfc_ct.c. + * Fixed misc discovery problems. + * Move stopping timers till just before lpfc_mem_free() call. + * Fix up NameServer reglogin error path. + * Cleanup possible outstanding discovery timers on rmmod. + * Fix discovery NPort to NPort pt2pt problem. + * Get rid of ip_tmofunc / scsi_tmofunc. + * Integrated patch from Christoph Hellwig: + lpfc_disc_done/lpfc_do_dpc cleanup - lpfc_disc_done can return + void - move lpfc_do_dpc and lpfc_disc_done to lpfc_hbadisc.c - + remove checking of list emptiness before calling lpfc_disc_done, + it handles the emtpy list case just fine and the additional + instructions cost less then the bustlocked spinlock operations. + * Integrated patch from Christoph Hellwig: This adds a new 64bit + counter instead, brd_no isn't reused anymore. Also some tiny + whitespace cleanups in surrounding code. + * Reorder functions in lpfc_els.c to remove need for prototypes. + * Removed unsed prototypes from lpfc_crtn.h - + lpfc_ip_timeout_handler, lpfc_read_pci and lpfc_revoke. + * Removed some unused prototypes from lpfc_crtn.h - + lpfc_scsi_hba_reset, lpfc_scsi_issue_inqsn, + lpfc_scsi_issue_inqp0, lpfc_scsi_timeout_handler. + * Integrated patch from Christoph Hellwig: remove TRUE/FALSE + usage. + * Integrated patch from Christoph Hellwig: Remove unused function + prototypes lpfc_set_pkt_len and lpfc_get_pkt_data from + lpfc_crtn.h - fixes build warnings. + * Removed unused struct lpfc_dmabufip definition from lpfc_mem.h. + * Removed pre-2.6.5 MODULE_VERSION macro from lpfc_compat.h. + * Fixing missing static and removing dead code. + * Adding nodewwn, portwwn and portfcid shost attributes. + * Initial support for CT via sysfs. request payloads of size less + than PAGE_SIZE and rsp payloads of size PAGE_SIZE are supported. + Driver maintains a list of rsp's and passes back rsp's + corresponding to the pid of the calling process. + * Support for RefreshInformation, GetAdapterAttributes, + GetPortStatistics. + * Make nodev-tmo default to 20 seconds. + * Fix up some DSM error cases, unreg_login rpi where needed. + * Fix up comments for fc_target_block / fc_target_unblock. + * Fix up code for scsi_block_requests / scsi_unblock_requests. + * Add NLP_FCP_TARGET for nodeinfo support. + * Move suspend/resume in lpfc_nlp_list under appropriate case - + Used host_lock for DPC to avoid race (remove dpc_lock) + * Fix some corner cases for PLOGI receive - simplify error case + for cmpl_reglogin_reglogin_issue. + * Bug fix for ppc64 EEH MMIO panic - always do readl after + writel's of HBA registers to force flush. + * Get rid of initial static routine declarations in lpfc_hbadisc.c + and lpfc_els.c. + * Updates to discovery processing. + +Changes from 20040823 to 20040908 + + * Changed version number to 8.0.11 + * Removed persistent binding code. + * Display both ASC and ASCQ info. + * Fixed link down->up transitions when linkdown tmo expires. Fix + was in the defensive error checking at the start of + queuecommand. + * Removed lpfc_scsi_timeout_handler as this timer is no longer + required. The midlayer will exhaust retries and then call + lpfc_abort_handler, lpfc_reset_lun_handler, and + lpfc_reset_target_handler. + * Minimal support for SCSI flat space addressing/volume set + addressing. Use 16 bits of LUN address so that flat + addressing/VSA will work. + * Changed 2 occurences of if( 1 != f(x)) to if(f(x) != 1) + * Drop include of lpfc_cfgparm.h. + * Reduce stack usage of lpfc_fdmi_cmd in lpfc_ct.c. + * Add minimum range checking property to /sys write/store + functions. + * Fix display of node_name and port_name via fc transport + attr. + * Removed biosparam code. + * Removed range checking. phba->config[] array elements are now + embedded into the hba struct. lpfc_config_setup() has been + removed. + * Collapsed lpfc_scsi_cmd_start into lpfc_queuecommand and cleaned + up combined routines. + * Removed unused prototypes myprint and + lpfc_sched_service_high_priority_queue. + * Removed unused function lpfc_nodev. + * Removed scsi_cmnd->timeout_per_command cancelation. SCSI midlayer + now times out all commands - FW is instructed to not timeout. + * Removed polling code from lpfc_scsi_cmd_start. Reorganized + queuecommand and cmd_start some. + +Changes from 20040810 to 20040823 + + * Changed version number to 8.0.10 + * Additional timer changes as per Arjan / Christoph's comments. + * Used mod_timer() instead of del_timer_sync() where appropriate. + * Fixed a use after free case (panic on 2.6.8.1 with + CONFIG_DEBUG_SLAB set). + * Fix compile warning in lpfc_fcp.c. + * Minor fix for log message, that prints unassigned brdno which is + zero. + * Move scsi_host_alloc() to the beginning of probe_one(). This + ensures that host_lock is available at later stages and also + avoids tons of unnecessary initializing if host_alloc() + fails. + * Removed else clause from lpfc_slave_configure that set + sdev->queue_depth. The driver informs the midlayer of its + setting in the template and only overrides if queue tagging is + enabled. + * Added PCI_DEVICE_ID_ZEPHYR and PCI_DEVICE_ID_ZFLY (Junior + Zephyr) support + +Changes from 20040730 to 20040810 + + * Changed version number to 8.0.9 + * Removed per HBA driver lock. Driver now uses the host->host_lock + * Restored support for the 2.6.5 kernel for those linux distributions + shipped with the 2.6.5 kernel. + * Applied patch from Christoph Hellwig (hch@infradead.org) as follows + "[PATCH] use scsi host private data in ->proc_info. + * Applied patch from Christoph Hellwig (hch@infradead.org) as follows + "Re: [Emulex] Ready for next round. This patch cleans up the memory + allocation routines a little and fixes a missing mempool_destroy and + some missing error handling." + * Changed pointers assignments from 0 to NULL. + * Added fixes to the lpfc_reset_lun_handler and lpfc_reset_bus_handler + entry points that caused kernel to Oops or hang. + * Added fixes to targetless hosts that caused modprobe and insmod to hang. + * Ongoing cleanup to many files + +Changes from 20040723 to 20040730 + + * Changed version number to 8.0.8 + * Removed unused LPFN_DRIVER_VERSION #define. + * Folded lpfc_findnode_scsiid into lpfc_find_target, its only + caller. + * Removed 2 unneeded arguments to lpfc_find_target (lun and + create_flag). + * Make lpfc_sli_reset_on_init = 1 + * Minor cleanup to quieten sparse. + * Removed missing function = 0 in tmo routine in lpfc_els.c. + * Moved additional binding parameters into lpfc_defaults.c: + lpfc_automap / lpfc_fcp_bind_method + * Use msecs_to_jiffies() where applicable. + * Only use queue depth attribute only after SLI HBA setup was + completed. + * Put in memory barriers for PPC + * Added PCI_DEVICE_ID_HELIOS and PCI_DEVICE_ID_JFLY (Junior + Helios) support + * Added 4&10 gigabit choices in user option link_speed + * Updated timer logic: Set timer data after init_timer use + timer_pending() instead of expires. + * Removed some remnants of IP over FC support from Kconfig and + Makefile. + * Remove redundant prototypes for lpfc_handle_eratt, + lpfc_handle_latt and lpfc_read_pci. + * Ongoing cleanup of lpfc_init.c. + * Changed LPFC_CFG_DFT_HBA_Q_DEPTH -> LPFC_CFG_HBA_Q_DEPTH. + * Another cleanup stab at lpfc_ct.c. Remove castings, structure + code sanely, remove redundant code, reorganize code so that + functions are invoked after definition. + +Changes from 20040716 to 20040723 + + * Changed version number to 8.0.7 + * Cleanup of lpfc_ct.c. Removed number of casts, removed tons of + dead/redundant code, cleaned up badly and poorly written code, + cleaned up return values. + * Fixed Persistent binding implementation + * Removed all references to lpfc_scsi_req_tmo + * Removed last references to lun_skip config parameter. + * Removed LPFC_DEV_RPTLUN node failure bit because we don't issue + REPORT_LUNS from the driver anymore. + * Removed LUN-tracking in driver. Removed lpfc_lun struct and + moved any functionality we still need to lpfc_target. + * Added new lpfc_jedec_to_ascii() call and replace two instances + of duplicate code with calls to this function. + * Removed Volume Set Addressing handling on LUN IDs. + * Applied patch from Christoph Hellwig (hch@infradead.org) that + removes dead code belonging to lpfc_build_scsi_cmnd() and its + call path. This is related to the recently removed report_lun + code. + +Changes from 20040709 to 20040716 + + * Changed version number to 8.0.6 + * Removed internal report LUNs usage. Removed functions: + lpfc_disc_issue_rptlun, lpfc_disc_cmpl_rptlun, + lpfc_disc_retry_rptlun and their use. + * Removed usused scheduler prototypes in lpfc_crtn.h + * Replace lpfc_geportname() with generic memcmp(). + * Rearrange code in lpfc_rcv_plogi_plogi_issue() to make it a + little more readable. + * Remove redundant port_cmp != 2 check in if + (!port_cmp) { .... if (port_cmp != 2).... } + * Clock changes: removed struct clk_data and timerList. + * Clock changes: seperate nodev_tmo and els_retry_delay into 2 + seperate timers and convert to 1 argument changed + LPFC_NODE_FARP_PEND_t to struct lpfc_node_farp_pend convert + ipfarp_tmo to 1 argument convert target struct tmofunc and + rtplunfunc to 1 argument * cr_count, cr_delay and + discovery_threads are only needed to be module_params and not + visible via sysfs. + +Changes from 20040614 to 20040709 + + * Changed version number to 8.0.5 + * Make lpfc_info static. + * Make lpfc_get_scsi_buf static. + * Print a warning if pci_set_mwi returns an error. + * Changed SERV_PARM to struct serv_parm. + * Changed LS_RJT to struct ls_rjt. + * Changed CSP to struct csp. + * Changed CLASS_PARMS to struct class_parms. + * Some cosmetic coding style cleanups to lpfc_fcp.c. + * Providing a sysfs interface that dumps the last 32 + LINK_[UP|DOWN] and RSCN events. + * Get rid of delay_iodone timer. + * Remove qfull timers and qfull logic. + * Convert mbox_tmo, nlp_xri_tmo to 1 argment clock handler + * Removed duplicate extern defs of the bind variables. + * Streamline usage of the defines CLASS2 and CLASS3, removing + un-necessary checks on config[LPFC_CFG_FCP_CLASS]. + * Moving the persistent binding variables to new file + lpfc_defaults.c + * Changed LPFC_SCSI_BUF_t to struct lpfc_scsi_buf. + * Moved config specific code from probe_one() into + config_setup(). Removing a redundant check on scandown value + from bind_setup() as this is already done in config_setup(). + * Changed LPFC_SLI_t to struct lpfc_sli. + * Changed FCP_CMND to struct fcp_cmnd. + * Changed FCP_RSP to struct fcp_rsp. + * Remove the need for buf_tmo. + * Changed ULP_BDE64 to struct ulp_bde64. + * Changed ULP_BDE to struct ulp_bde. + * Cleanup lpfc_os_return_scsi_cmd() and it's call path. + * Removed lpfc_no_device_delay. + * Consolidating lpfc_hba_put_event() into lpfc_put_event(). + * Removed following attributes and their functionality: + lpfc_extra_io_tmo, lpfc_nodev_holdio, lpfc_delay_rsp_err, + lpfc_tgt_queue_depth and lpfc_check_cond_err. + * Clock changes consolidating timers, just in the struct lpfc_hba, + to get rid of clkData and pass only one argument to timeout + routine. Also, removing need for outstanding clock linked list + to stop these timers at rmmod. + * Move lpfc.conf contents into lpfc_fcp.c. Removing per adapter + attributes in favor of global attributes. + * Fix a potential null pointer reference of pmbuf in lpfc_ct.c. + * On reset_lun, issue LUN_RESET as opposed to ABORT_TASK_SET. + * Removed SCSI_REQ_TMO related code. + * Introducing two new defines LPFC_ATTR_R and LPFC_ATTR_RW that do + a module_param, MODULE_PARM_DESC, lpfc_param_show, + [lpfc_param_store] and CLASS_DEVICE_ATTRIBUTE. + * Properly clean up when allocation of a linked BDE fails in the + SCSI queuecommand path. + * Fail SCSI command if dma_map_sg call fails. + * Remove unused macros SWAP_ALWAYS and SWAP_ALWAYS16. + * Reset context2 to 0 on exit in + lpfc_sli_issue_iocb_wait_high_priority() and + lpfc_sli_issue_iocb_wait(). + * Arranging lpfc_scsiport.c to follow style of use after + definition. This removes the need for the cruft of forward + declarations. Also removing a redundant #define ScsiResult as it + already available elsewhere. + * Applying "Streamline lpfc error handling" patch from Christoph + Hellwig (hch@infradead.org) with following modifications: fix + mem leaks, remove some misplaced code that need not be there, + print a message on exit (old code prints two (entry/exit)), make + ret values consistent (either 1/0 or SUCCESS/FAILURE), keep all + eh routines in a single file (lpfc_scsiport.c). + * Move contents of lpfc_module_param.h into lpfc_fcp.c. + * Changed sysfs attributes to CLASS_DEVICE_ATTRIBUTES (previously + DEVICE_ATTRIBUTES). They now appear in + /sys/class/scsi_host/hostx (previously in + /sys/bus/pci/drivers/lpfc/devx). + * Removed lpfc_syfs.h and lpfc_sysfs.c. + * Cleanup of config params. Throttle params have been removed. + max_lun has been removed. max_target is replaced with a #define, + lun_skip is removed. Remove ipfc config params and related + code. + * Changed DMABUF_t usage to struct lpfc_dmabuf. + * Downsizing iCfgParam structure to include a_string, a_low, a_hi + and a_default values only. + * Free SCSI buf safety memory pool on shutdown to eliminate memory + leak. + * Change lpfc_printf_log to a #define. Also include phba->brd_no + and newline in the print string rather than in the #define. + * Remove code that optionally locates Host Group Pointers in host + memory SLIM since this is no longer needed for PPC64, once + CONFIG_PORT uses HBA's view of its BAR0. + * Removed the forward declarations of the sli functions and + rearranging the code in lpfc_sli.c. + * Removed the preamble functionality from logging. + * Make lpfc_sli_hba_setup() return negative error codes on error + and correct the comment left over in lpfc_fcp.c + * Removed the lpfc_loadtime variable. + * Put a space between all ifs and their open parens '('. + * Change Studly_Caps LPFC_SCSI_BUF_t to struct lpfc_scsi_buf. + * Fixed insmod hang after hardware error. + * Relocated scsi_host alloc to before we enable the interrupt + handler + * Add .tmp_versions directory to Makefile clean target. This + directory is created in the 2.6.5+ build process (with Red Hat + kernels at least). + * Changing phba->config to kmalloc lpfc_icfgparam and not + *phba->config. This is manifesting itself as a panic in + pci_release_region(). + * Fix for firmware download / board reset problem. + * Integrated patch from Christoph Hellwig (hch@infradead.org) to + reorganize and cleanup lpfc_fcp.c + * Don't abort commands immediately when there is an RSCN event to + give driver time to rediscover targets before the midlayer + retries the SCSI commands. + +Changes from 20040604 to 20040614 + + * Changed version number to 8.0.4 + * Removed lpfc_valid_lun function. + * Added scsi_buf safety pool to address scsi_buf failures in + queuecommand under low memory conditions. Allocations now come + from kmalloc initially, but if kmalloc fails, the allocation + comes from the safety pool. + * Modified lpfc_slave_alloc to only set the scsi_device->hostdata + pointer if the driver has discovered the target. This routine + always returns success now as well since no error ever occurs in + the alloc routine. + * Mask only info and warning messages. Print all error messages + irrespective of mask. + * Removing lpfc_log_chk_msg_disabled() + * Changed lpfc_printf_log to take struct lpfc_hba * directly + instead of a "board number". + * Convert dma_sync_single to pci_dma_sync_single_for_{device/cpu}. + * Implemented new style log messages. The message strings are now + embedded in the call to lpfc_printf_log. + * Decreased FLOGI discovery timeout to 20 seconds. + * On error in lpfc_pci_probe_one() return -1 and not 1. + * Allow for board numbers that are not sequential, paving the way + for hotplug support. + * scsi_add_host() can fail, so wrap it around in an if(). Also + initiate scsi_scan_host() after attaching the sysfs attributes. + * lpfc_release_version is used only in lpfc_ct.c, so move it there + and mark it as static. + * Removed lpfc_sleep_ms and replaced with mdelay or schedule calls + directly + * Removed all (struct list_head *) casts from clkData-related list + handling in list_add, list_del macros. + * Removed EXPORT_SYMBOLs. + * Removed LPFC_MIN_QFULL and lpfc_qthrottle_up. + * Replace LPFCSCSITARGET_t with struct lpfc_target. + * Replace LPFCSCSILUN_t with struct lpfc_lun. + * Remove unused struct declarations (fcPathId and fcRouteId) from + lpfc_scsi.h. + * Rewrite use of FC transport attributes. + * Fix crash when link is lost. This was due to lpfc_delay_iodone + calling list_del on an object that was never put on a list. + * Remove trailing spaces at the end of all lines. + * Set MAX_FCP_TARGET to 256 from 0xff. Set MAX_FCP_LUN and + MAX_FCP_CMDS to their decimal equivalents and updated + documentation. + +Changes from 20040526 to 20040604 + + * Changed version number to 8.0.3 + * Completed sysfs FC transport support. + * Removed unused fields in SCSI LUN and SCSI Target structures: + void *pTargetProto; void *pTargetOSEnv; void *pLunOSEnv; + * Modified list_for_each to list_for_each_entry. Modified + list_for_each_safe to list_for_each_entry_safe. + * Remove lpfc_dfc.h file. + * Changed pHba->phba, pCommand->pcmd + * Changed plogi_ndlp -> plogindlp, pos_tmp->postmp, pRsp->prsp, + pCmd->pcmd + * Changed pText -> ptext + * Changed p_tmp_buff -> ptmpbuff + * Changed pBufList -> pbuflist, pRsp -> prsp, pCmd -> pcmd + * Changed *pos_tmp -> *postmp, *p_mbuf -> *pmbuf + * Following changes are made to the SCSI fast path: Added + DMA_BUF_t member to the lpfc_scsi_buf_t. This will reduce a + memory allocation in the scsi fast path. Added check for + targetp == NULL in the scsi fast path. Increased number of + scatter gather entries in lpfc_scsi_dma_ext to 4 from 3 and + changed the size of lpfc_scsi_dma_ext to 264 + * Fixing some missing static lpfc_nportdisc.c. + * Reordered #include lines so that lpfc.h doesn't have to #include + other header files. + * Remove lpfc_get_hba_sym_node_name() as a global EXPORT and make + it static. + * Move struct clk_data definition from lpfc_hw.h to lpfc_sli.h. + * Changed LPFC_IOCBQ_t to struct lpfc_iocbq. + * Changed LPFC_SLI_RING_t to struct lpfc_sli_ring. + * Changed LPFC_NODELIST_t to struct lpfc_nodelist. + * Rearranged lpfc_nportdisc.c by moving state machine array + (lpfc_disc_action) and the one function that uses it, + lpfc_disc_state_machine, to the end of the file, removing the + need for the raft of prototypes at the top. + * Changed LPFC_BINDLIST_t to struct lpfc_bindlist. + * Removed lpfc_issue_ct_rsp(), lpfc_sleep(), lpfc_add_bind(), + lpfc_del_bind(), lpfc_sli_wake_mbox_wait() and + lpfc_sli_issue_mbox_wait(). + * Fixed a large number of overly-long lines. + * Fixed some discovery problems: Introduced deferred ndlp removal + when in DSM to avoid panic when in nested DMSs Fix NportId + fffc01 handling to not relogin after LOGO fixed handling of LOGO + on PLOGI issue. + * Changed SLI_CT_REQUEST to lpfc_sli_ct_request. + * Changed NAME_TYPE to struct lpfc_name. + * Changed lpfcCfgParam_t to struct lpfc_cfgparam. + * Changed LPFC_STAT_t to struct lpfc_stats. + * Changed HBAEVT_t to struct lpfc_hba_event. + * Changed Studly_Caps lpfcHBA_t to struct lpfc_hba. + * Removed no longer used tasklet_running flag. + * Removing *PSOME_VAR typedefs and using SOME_VAR* directly. + * Changing .use_clustering to ENABLE_CLUSTERING. + * Modify lpfc_queuecommand to return SCSI_MLQUEUE_HOST_BUSY when + it can't queue a SCSI command. Also, remove cmnds_in_flight + member of struct lpfcHBA for 2.6 kernels as it was only needed + to determine what to return from queuecommand. + * Change return type of lpfc_evt_iocb_free to void as it doesn't + return anything. + * Remove unused cmnd_retry_list and in_retry members in struct + lpfcHBA. + * Remove some instances of unneeded casting of kmalloc's return in + lpfc_scsiport.c + * Remove lpfc_linux_attach() and lpfc_linux_detach(). Integrate + them into lpfc_probe_one() and lpfc_release_one() respectively. + * Remove lpfc_num_iocbs, lpfc_num_bufs module parameters + * Remove #defines for NUM_NODES, NUM_BUFS and NUM_IOCBS + +Changes from 20040515 to 20040526 + + * Changing version number to 8.0.2. + * Including dma-mapping.h as one of the include headers. Also + rearrange the #include order. + * Make functions static as appropriate. + * queuecommand() will now return SCSI_MLQUEUE_HOST_BUSY instead of + 1 to backpressure midlayer. + * Removed function prototypes for lpfc_start_timer() and + lpfc_stop_timer() + * Changed timer support to be inline. Clk_data is now declared + right next to the corresponding timer_list entry so we don't + have to allocate these clk_data dynamically. + * Add readls after writels to PCI space to flush the writes. + * Fix misspelled word "safety" in function names. + * Fix up comments in lpfc.conf for per HBA parameters to reflect + new implementation. + * Change lpfc_proc_info handler to get the Nodename from + fc_nodename and not fc_portname. + * Fix up some comments and whitespace in lpfc_fcp.c. + * Formatting changes: get rid of leading spaces in code + * Move discovery processing from tasklet to a kernel thread. + * Move ndlp node from unmap list to map list if ADISC completed + successfully. + * Flush all the ELS IOCBs when there is a link event. + * LP9802 qdepth is twice the LP9802DC qdepth. Delay + elx_sched_init after READ_CONFIG to get max_xri from the + firmware. Reset ELX_CFG_DFT_HBA_Q_DEPTH to max_xri after + READ_CONFIG + * Fix fc_get_cfg_parm() to be more robust and support embedded hex + values. The lpfc_param's are now defined as: + lpfc_log_verbose="lpfc:0,lpfc0:0x10,lpfc1:4,lpfc100:0xffff" The + "," delimter does not matter. It can be anything or not exist at + all. ie param = "lpfc:0lpfc0:0x10.lpfc1:4txtlpfc100:0xffff" will + also work. Additionally the string is treated as case + insensitive. + * Changed all usage of lpfc_find_lun_device() to lpfc_find_lun(). + * Removed unnecessary wrappers lpfc_find_lun_device() and + lpfc_tran_find_lun(). + * Switch from using internal bus/id/lun to similar data from + scsi_device structure. + * Eliminate one-line function lpfc_find_target() + * Added slave_alloc, slave_destory + * lpfc_scsi_cmd_start can now acquire lun pointer from + scsi_device->hostdata, which is setup in slave_alloc. + * Eliminate unnecessary checking on every cmd just to see if we + are accessing the device the first time. + * Remove assumption in lpfc_reset_lun_handler that a valid + lpfc_scsi_buf is hung off of linux's scsi_cmnd->host_scribble + when our reset is called. + +Changes from 20040507 to 20040515 + + * Changed version to 8.0.1 + * Fixed crash on driver rmmod after error injection tests and + lpfc_tasklet deadlock. + * Modified lpfc.conf to remove limit on number of support hosts + * Removed HBAAPI + * Removed duplication of SCSI opcodes from lpfc_fcp.h that are + available in scsi/scsi.h + * Rework module_param usage + * Added MODULE_PARAM_DESC for various module_params + * Removed #define EXPORT_SYMTAB + * Removed #includes of if_arp.h and rtnetlink.h + * Removed string "Open Source" from MODULE_DESC + * Cleanup duplicated string definitions used by MODULE_DESC + * Renamed lpfc_pci_[detect|release] to lpfc_pci_[probe|remove]_one + * Fix formatting of lpfc_driver + * Remove unnecessary memset to 0 of lpfcDRVR + * Attach driver attributes always unless pci_module_init failed + * Remove all one-line wrappers from lpfc_mem. + * Remove lpfc_sysfs_set_[show|store] as it is no longer needed + * Redo lpfc_sysfs_params_[show|store] to one value per attribute rule + * Breakdown lpfc_sysfs_info_show into smaller one value per attribute + * Use device attributes instead of driver attributes where appropriate + * Remove no longer needed EXPORT_SYMBOLs + * Remove some unused code (1600 msg's related) + +Changes from 20040429 to 20040507 + + * Change version to 8.0.0 + * Fix the number of cmd / rsp ring entries in lpfc_fcp.c to match + the divisions setup in lpfc_hw.h. + * Remove phba->iflag reference. + * Several locking improvements. + * Remove functions lpfc_drvr_init_lock, lpfc_drvr_lock, + lpfc_drvr_unlock and lpfc_hipri_*. + * Remove LPFC_DRVR_LOCK and LPFC_DRVR_UNLOCK macros. + * Make lpfc_info() use lpfc_get_hba_model_desc() instead of + rewriting almost identical code. + * Fix 1 overly long line in each of lpfc_cfgparm.h, lpfc_ftp.c and + lpfc_sli.c. + * Fix build for Red Hat 2.6.3 kernel by #defining MODULE_VERSION + only if it isn't already defined. + * Change elx_sli_issue_mbox_wait to return correct error code to + the caller. + * In some of the els completion routines, after calling + lpfc_elx_chk_latt, driver ignores the return code of the + lpfc_elx_chk_latt. This will prevent the discovery state machine + restarting correctly when there are link events in the middle of + discovery state machine running. Fix this by exiting discovery + state machine if lpfc_els_chk_latt returns a non zero value. + * Removed MAX_LPFC_BRDS from lpfc_diag.h + * Removed unused first_check. + * Remove some unused fields and defines. + * Change lpfc-param names to lpfc_param. + * Add use of MODULE_VERSION macro for 2.6 kernels. + * Shorten length of some of the comment lines to make them more + readable. + * Move FCP_* definitions to their own header file, lpfc_fcp.h. + * Remove unused prototypes from lpfc_crtn.h: fcptst, iptst, + lpfc_DELAYMS. + * Remove duplicated prototypes from lpfc_crtn.h: + lpfc_config_port_prep, lpfc_config_port_post, + lpfc_hba_down_prep. + * Removed some unused export_symbols. + * Install driver files into */drivers/scsi/lpfc instead of + */drivers/scsi. + +Changes from 20040426 to 20040429 + + * Declared export symbol lpfc_page_alloc and lpfc_page_free + * Changed lpfc version number to 6.98.3 + * Move the definition of MAX_LPFC_BRDS to the only header file + that uses it (lpfc_diag.h). + * Change lpfc_sli_wake_iocb_wait to do a regular wake_up since + lpfc_sli_issue_iocb_wait now sleeps uninterruptible. + * Replace list_for_each() with list_for_each_safe() when a list + element could be deleted. + * Fix IOCB memory leak + +Changes from 20040416 to 20040426 + + * Change lpfc_config_port_prep() to interpret word 4 of the DUMP + mbox response as a byte-count + * Add info attribute to sysfs + * Minor formatting (spaces to tabs) cleanup in lpfc_sched.h + * Remove unused log message number 732 + * Completing MODULE_PARM -> module_param changes + * Removed unused targetenable module parameter + * Removed locks from lpfc_sli_issue_mbox_wait routine + * Removed code that retry 29,00 check condition + * Removed code that manipulates rspSnsLen. + * Fix use of lun-q-depth config param + * Fix severity inconsistency with log message 249 + * Removed lpfc_max_target from lpfc_linux_attach + * Replace references to lpfcDRVR.pHba[] with lpfc_get_phba_by_inst() + * Change lpfc_param to lpfc-param + * Partially removed 32 HBA restriction within driver. Incorported + lpfc_instcnt, lpfc_instance[], and pHba[] into lpfcDRVR + structure Added routines lpfc_get_phba_by_inst() + lpfc_get_inst_by_phba() lpfc_check_valid_phba() + * Turn on attributes "set" & "params" by default. + * Further formatting/whitespace/line length cleanup on: lpfc_ct.c + lpfc_els.c lpfc_fcp.c lpfc_hbadisc.c lpfc_init.c lpfc_ipport.c + lpfc_mbox.c lpfc_nportdisc.c lpfc_sched.c lpfc_sched.h + lpfc_scsi.h lpfc_scsiport.c lpfc_sli.c and lpfc_sli.h + * Add log message 249 to log any unsupported device addressing + modes encountered. + * Add support for 256 targets and 256 LUNs + * Fixed panic in lpfc_linkdown. + * Removed (struct list_head*) casting in several calls to list_del + * Free irq reservation and kill running timers when insmod or + modprobe are killed via ctrl-c + * Remove drivers/scsi from include path + * Wrap use of log message 311 in macro + * Detect failure return from pci_map_sg call in lpfc_os_prep_io + * Fix use-after-free of IOCB in lpfc_sli_process_sol_iocb which + was causing an Oops on 2.6.5 kernel. + * Cleanup use of several gotos not used for error exit. + * Replace memcpy_toio() and memcpy_toio() with endian-dependent + lpfc_memcpy_to_slim() and lpfc_memcpy_from_slim() so that for + big endian hosts like PPC64, the SLIM is accessed 4 bytes at a + time instead of as a byte-stream. + +Changes from 20040409 to 20040416 + + * The scsi_register and scsi_alloc_host OS calls can fail and + return a zero-valued host pointer. A ctrl-C on 2.6 kernels + during driver load will cause this and the driver to panic. + Fixed this bug. Also found a bug in the error_x handling with + lpfc_sli_hba_down - it was in the wrong place and the driver + lock was not held, but needed to be (in lpfc_linux_attach) Fixed + both. Did some minor comment clean up. + * Removed unwanted (void *) castings. + * Replace define of INVALID_PHYS, with kernel 2.6.5's + dma_mapping_error() and add a inline function for earlier + kernels. Remove lpfc_bad_scatterlist(). + * Clean up formatting in hbaapi.h, lpfc.h, lpfc_cfgparm.h, + lpfc_crtn.h, lpfc_ct.c, lpfc_diag.h, lpfc_disc.h, lpfc_els.c, + lpfc_fcp.c, lpfc_hbadisc.c, lpfc_hw.h, lpfc_init.c, + lpfc_ipport.c, lpfc_logmsg.c, lpfc_logmsg.h and lpfc_scsiport.c + - mostly replacing groups of 8 spaces with hard tabs and keeping + lines to 80 column max.. + * Removed LPFC_DRVR_LOCK call from lpfc_unblock_requests for 2.4 + kernels. The lpfc_scsi_done routine already unlocks the driver + lock since it expects this lock to be held. + * Removed global lock capabilities from driver lock routines + * Remove SA_INTERRUPT flag from request_irq + * Move dma_addr_t cast inside of getPaddr macro as everywhere + getPaddr is used, the return is cast to dma_addr_t. + * Clean up formatting in lpfc_sli.c and lpfc_sysfs.c - mostly + replacing groups of 8 spaces with hard tabs and keeping lines + to 80 column max. + * Fix build for RHEL 2.1 BOOT kernels by always #including + interrupt.h in lpfc.h. + * Fix RHEL 3 build by #defining EXPORT_SYMTAB. + * Replace sprintf with snprintf in lpfc_proc_info. + * Fix build warnings on 2.6 kernels - remove no longer used calls + to character device initialization. + * Initial support code for discovery in tasklet conversion. + * Removing char interface and ioctl code. + * Change all elx prefixes to lpfc + * Replace lpfc_write_slim() & lpfc_read_slim() with memcpy_toio(), + memcpy_fromio(), writel() & readl(). + +Changes from 20040402 to 20040409 + + * Replaced lpfc_read_hbaregs_plus_offset and + lpfc_write_hbaregs_plus_offset functions with readl and writel. + * Get rid of long mdelay's in insmod path + * Changed the way our pci_device_id structures are initialized + * Replace lpfc_read/write_CA/HA/HC/HS with calls to readl() & + writel() directly. + * Increase SLI2_SLIM to 16K Increase cmd / rsp IOCBs accordingly + * Removed lpfc_els_chk_latt from the lpfc_config_post function. + lpfc_els_chk_latt will enable the link event interrupts when + flogi is pending which causes two discovery state machines + running parallely. + * Add pci_disable_device to unload path. + * Move lpfc_sleep_event from lpfc_fcp.c to lpfc_util_ioctl.c + * Call dma_map_single() & pci_map_single() directly instead of via + macro lpfc_pci_map(). Allow address 0 for PPC64. + * Change sleep to uninterruptible in lpfc_sli_issue_icob_wait + because this function doesn't handle signals. + * Move lpfc_wakeup_event from lpfc_fcp.c to lpfc_ioctl.c + * Remove unneeded #include + * Remove unused clock variables lpfc_clkCnt and lpfc_sec_clk. + * Get rid of capitalization of function names. + * Removed lpfc_addr_sprintf. + * Implemented gotos in lpfc_linux_attach for error cases. + * Replace mlist->dma.list = dmp->dma.list; to mlist = dmp. + * Remove functions lpfc_get_OsNameVersion and elx_wakeup. Change + elx_wakeup to wake_up_interruptible + * Add function lpfc_get_os_nameversion and change + lpfc_get_OsNameVersion to lpfc_get_os_nameversion. + * Remove lpfc_get_OsNameVersion + * Change driver name to a consistent lpfc in every visible place. + * Fix build warning: removed unused variable ret in lpfc_fdmi_tmo. + * Remove lpfc_utsname_nodename_check function + * Remove functions lpfc_register_intr and lpfc_unregister_intr + * Fill in owner field in lpfc_ops file_operations struct and + remove now unnecessary open and close entry points. + * Change function name prefixes from elx_ to lpfc_ + * Remove special case check for TUR in elx_os_prep_io() + * Renamed elx_scsi.h to lpfc_scsi.h + * Renamed elx_sched.h to lpfc_sched.h + * Renamed elx_mem.h to lpfc_mem.h + * Renamed elx_sli.h to lpfc_sli.h + * Renamed elx_logmsg.h to lpfc_logmsg.h + * Renamed elx.h to lpfc.h + * Renamed elx_sli.c to lpfc_sli.c + * Renamed elx_sched.c to lpfc_sched.c + * Renamed elx_mem.c to lpfc_mem.c + * Renamed elx_logmsg.c to lpfc_logmsg.c + * Renamed lpfcLINUXfcp.c lpfc_fcp.c + * Renamed elx_clock.c to lpfc_clock.c + * Reduce stack usage in lpfc_info(). + * Move lpip_stats structure from lpfc_hba.h to lpfc_ip.h. + * Move lpfc_stats and HBAEVT_t structures from lpfc_hba.h to + lpfc.h + * Remove lpfc_hba.h + * Remove duplicate rc definitions from + * Removed code which used next pointer to store mbox structure. + * Cleaned up list iterations. + * Removed non list manipulation of the next pointers. + * Change list_del()/INIT_LIST_HEAD sequences to list_del_init() + * In ELX_IOCBQ_t: Moved hipri_trigger field to iocb_flag. Combined + hipri_wait_queue and rsp_iocb in union + * Replaced casting from list_head with list_entry macro. + * Added ct_ndlp_context field to the ELX_IOCBQ_t. + * Do not use DMABUf_t list to store ndlp context + * Return 0 from lpfc_process_iotcl_util() when ELX_INITBRDS + succeeds. + * remove elx_os_scsiport.h + * Do not use DMABUf_t list to hold rpi context + * Replace elx_cfg_* names with lpfc_cfg-* + * Moved FCP activity to ring 0. Moved ELS/CT activity to ring 2. + * Clean up formatting of elx_sli.h (tabs for indents, 80 column + lines). + * Remove unused elxclock declaration in elx_sli.h. + * Since everywhere IOCB_ENTRY is used, the return value is cast, + move the cast into the macro. + * Split ioctls out into seperate files + +Changes from 20040326 to 20040402 + + * Updated ChangeLog for 20040402 SourceForge drop. + * Use safe list iterator for ndlp list + * Added code to return NLP_STE_FREED_NODE from the discovery + state machine functions if the node is freed from the + function. + * Fixes to DMABUF_t handling + * Fix for load error in discovery + * Remove loop_cnt variable from lpfc_rcv_plogi_unused_node. + * Remove nle. reference. + * Remove support for building 2.4 drivers + * Remove elx_util.h and replace elx_disc.h with lpfc_disc.h + * Implemented the Linux list macros in the discovery code. + Also moved elx_disc.h contents into lpfc_disc.h + * Unused variable cleanup + * Use Linux list macros for DMABUF_t + * Break up ioctls into 3 sections, dfc, util, hbaapi + rearranged code so this could be easily seperated into a + differnet module later All 3 are currently turned on by + defines in lpfc_ioctl.c LPFC_DFC_IOCTL, LPFC_UTIL_IOCTL, + LPFC_HBAAPI_IOCTL + * Misc cleanup: some goto's; add comments; clarify function + args + * Added code to use list macro for ELXSCSITARGET_t. + * New list implementation for ELX_MBOXQ_t + * Cleaned up some list_head casting. + * Put IPFC ifdef around two members of struct lpfc_nodelist. + * Cleaned up iocb list using list macros and list_head data + structure. + * lpfc_online() was missing some timer routines that were + started by lpfc_linux_attach(). These routines are now also + started by lpfc_online(). lpfc_offline() only stopped + els_timeout routine. It now stops all timeout routines + associated with that hba. + * Replace seperate next and prev pointers in struct + lpfc_bindlist with list_head type. In elxHBA_t, replace + fc_nlpbind_start and _end with fc_nlpbind_list and use + list_head macros to access it. + * Fix ulpStatus for aborting I/Os overlaps with newer firmware + ulpStatus values + * Rework params_show/store to be consistent as the other + routines. Remove generic'ness and rely on set attribute. + * Remove unused log message. + * Collapse elx_crtn.h and prod_crtn.h into lpfc_crtn.h + * Ifdef Scheduler specific routines + * Removed following ununsed ioclt's: ELX_READ_IOCB + ELX_READ_MEMSEG ELX_READ_BINFO ELX_READ_EINVAL ELX_READ_LHBA + ELX_READ_LXHBA ELX_SET ELX_DBG LPFC_TRACE + * Removed variable fc_dbg_flg + * Fixed a bug where HBA_Q_DEPTH was set incorrectly for + 3-digit HBAs. Also changed can_queue so midlayer will only + send (HBA_Q_DEPTH - 10) cmds. + * Clean up code in the error path, check condition. Remove + ununsed sense-related fields in lun structure. + * Added code for safety pools for following objects: mbuf/bpl, + mbox, iocb, ndlp, bind + * Wrapped '#include ' in '#ifdef USE_SCHEDULER'. + * Fixed 'make clean' target. + * Build now ignores elx_sched.o, and includes lpfc_sysfs.o. + * Wrapped lpfndd.o target in BUILD_IPFC ifdef. + * Removed elx_os.h inclusion in implementation files. + * Removed ELX_OS_IO_t data structure and put data direction + and non scatter/gather physical address into the scsi buffer + structure directly. Moved DRVR_LOCK, putPaddr, getPaddr + macros and some defines into elx.h since they are required + by the whole driver. + * Migrated following ioctls (debug) ELX_DISPLAY_PCI_ALL + ELX_DEVP ELX_READ_BPLIST ELX_RESET_QDEPTH ELX_STAT. + * Step 1 of attempt to move all Debug ioctls to sysfs. + Implemented the following IOCTLs in sysfs: ELX_WRITE_HC + ELX_WRITE_HS ELX_WRITE_HA ELX_WRITE_CA ELX_READ_HC + ELX_READ_HS ELX_READ_HA ELX_READ_CA ELX_READ_MB ELX_RESET + ELX_READ_HBA ELX_INSTANCE ELX_LIP. Also introduced + attribute "set" to be used in conjuction with the above + attributes. + * Removed DLINK, enque and deque declarations now that clock + doesn't use them anymore + * Separated install rule so that BUILD_IPFC has to be set when + make is called in order for the install rule to attempt to + copy the lpfndd.o driver. This change fixes a bug that + occurs because the install rule by default attempted to + install lpfndd.o, whereas the default make rule did not by + default build lpfndd.o. + * Keep track if hbaapi index numbers need to be refreshed. + * Removed prod_os.h from include list. + * Removed LPFC_LOCK and LPFC_UNLOCK macros. Added OS calls + into elx_os_scsiport.c. This file is now empty. + * Added spin_lock_irqsave and spin_unlock_irqrestore calls + into code directly and removed LPFC_LOCK_ and _UNLOCK_ + macros + * Remove references to "elx_clock.h" + * Added utsname.h to include list. The previous checkin to + elx_os.h removed its inclusion of utsname.h since there is + precious little in the file. However, lpfcLINUXfcp.c needs + it and now has it. + * Removed some commented-out code + * Removed elx_lck_t data structure, stray elxDRVR_t type, and + include from file. No longer used. + * Removed two PCI Sync defines. Removed includes - not + needed. Cleaned up macro lines. + * Added two functions from elxLINUXfcp.c. These functions + were IPFC specific. + * Removed hipri lock abstractions and added OS call into code. + Removed elx_lck_t and added spinlock_t directly. Moved two + IPFC functions into lpfc_ipport.c + * Moved IP specific structures to lpfc_ip.h file. + * lpfc_ipfarp_timeout() uses system timer. Remove all usages + of old internal clock support. + * Made changes to compile without IPFC support for the default + build. Added ifdef IPFC for all lpfc_ip.h includes. + * Patched elx_free_scsi_buf + * Removed elx_sched.o from 2.6 dependencies + * Reworked lpfc_pcimap. + * Use Linux swap macros to replace ELX swapping macros + (SWAP_SHORT, SWAP_LONG, SWAP_DATA, SWAP_DATA16, + PCIMEM_SHORT, PCIMEM_LONG, PCIMEM_DATA). + * move in_interrupt() check inside of elx_sleep_ms() + * Moved location of pci.h include. + * Restored elx_lck_t types in elxHBA_t. + * Removed elx_pci_dma_sync call. Also removed some PCI + defines from elx_hw.h and removed the spinlock_t locks that + are no longer used in elx.h + * elx_iodone() now uses system timer. + * elx_qfull_retry() now uses system timer. + * lpfc_put_buf(), lpfc_ip_xri_timeout() and + lpfc_ip_timeout_handler() now use system timer. + * lpfc_fdmi_tmo() and lpfc_qthrottle_up() now use system + timer. + * Removed num_bufs and num_iocbs configuration parameters. + * Fixed a memory corruption bug. This was caused by a memory + write to ndlp structure from lpfc_cmpl_els_acc function. + This ndlp structure was freed from lpfc_els_unsol_event. + * lpfc_disc_timeout() and lpfc_establish_link_tmo() now use + system timer. Also update lpfc_els_retry_delay() to do a + single lock release at the end. + * Remove use of PAN (pseudo adapter number). + * Reintroduced usage of the cross compiler for building on + ppc64 to remove build errors that were cropping up when + using the standard gcc compiler. + * Fix no-unlock-before return in lpfc_els_retry_delay which was + causing a deadlock on insmod in some environments. + * Minor format changes fix up comments + * Create utility clock function elx_start_timer() and + elx_stop_timer(). All timeout routines now use these common + routines. + * Minor formating changes fix up comments + * Minor formatting changes get rid of failover defines for + syntax checking + * Minor formatting changes remove ISCSI defines. + * Fix typo in install target for 2.4 kernels. + * Removed unused elx_scsi_add_timer extern function + declaration. + * Cleanup casting around DMA masks. + * Comment out lpfndd.o modules_install section as lpfndd.o is + not generated if CONFIG_NET_LPFC is not set. Also refer to + BASEINCLUDE only in out of kernel source module builds as it + will not exist otherwise. + * Removed unused malloc counters from lpfcLINUXfcp.c. + * Remove some unnecessary #includes in lpfcLINUXfcp.c + * Remove unncessary #includes in elxLINUXfcp.c + * Minor formatting cleanups in Makefile to avoid some + linewrapping. + * Removed unused elx_mem_pool data structure. + * Remove several unnecessary #includes. + * Moving fix for memory leak in ioctl lip area to sysfs's lip. + * Removed unused elx_dma_handle_t elx_acc_handle_t + FC_MAX_SEGSZ and FC_MAX_POOL. + * Rewrite of Makefile. Fixes breakages with make -j4 during + kernel compile. Does not recompile all files on every + build. Uses the kernel build's definitions of CFLAGS, + MODFLAGS etc. Removed "make rpm" option. + * Removed unused #defines CLOSED, DEAD, OPENED, NORMAL_OPEN + and unneeded #include of elx_sched.h in elx.h. + * Several log message updates + * Add PCI_DEVICE_ID_FIREFLY for LP6000 + * Fixed known issues in 20040326: driver crashes on rmmod in + both 2.4 and 2.6 kernels + + +Changes from 20040319 to 20040326 + + * Updated ChangeLog for 20040326 SourceForge drop. + * remove lpfc_isr / lpfc_tmr logic fixed up 8 spaces from + previous checkins with tabs + * replace elx_in_intr() with in_interrupt() + * Remove unused messages 1602 and 1603. + * Fix the following issues with log messages: Remove unused + messages 406, 407, 409, 927, 928, 1201, 1202, 1204, 1205, 1206 + and 1207. Create a new message 738 to fix duplicate instances + of 736. + * Removed remaining pci interface abstractions from elxLINUXfcp.c. + Implemented OS calls directly in all remaining files and cleaned + up modules. Removed prototypes as well. + * Removed following functions/structures elx_mem_dmapool + elx_idx_dmapool elx_size_dmapool elx_kmem_lock dfc_data_alloc + dfc_data_free dfc_mem struct mbuf_info elx_acc_handle_t + data_handle elx_dma_handle_t dma_handle struct elx_memseg + MEMSEG_t + * lpfc_els_timeout_handler() now uses system timer. + * Further cleanup of #ifdef powerpc + * lpfc_scsi_timeout_handler() now uses system timer. + * Replace common driver's own defines for endianess w/ Linux's + __BIG_ENDIAN etc. + * Added #ifdef IPFC for all IPFC specific code. + * lpfc_disc_retry_rptlun() now uses system timer. + * lpfc_npr_timeout() now uses system timer. + * Modified detect code, on insmod, to only wait a max of 2 secs if + link comes up and there are no devices. + * Move remaining message logging functions into + elx_logmsg.c/elx_logmsg.h. + * Added code to clear link attention bit when there is a pending + link event and the memory allocation for read_la mail box + command fails. + * Removed function calls for mapping bar registers and allocating + kernel virtual memory mappings to the mapped bars Removed + prototypes, lpfc_driver_cache_line, and pci_bar1_map rename to + pci_bar2_map. + * Allocate mbox only if the hba_state is in ready state. + * Complete lip support via sysfs. To lip, echo brdnum > + /sys/bus/pci/drivers/lpfc/lip. + * moving sysfs show/store implementations to lpfc_sysfs.c. Also add + support for lip. + * Add files: lpfc_sysfs.c, lpfc_sysfs.h + * move LPFC_DRIVER_NAME and LPFC_MODULE_DESC out of lpfcLINUXfcp.c + to lpfc_version.h, since it is now needed in lpfc_sysfs.c + * elx_mbox_timeout now uses system timer + * Changed lpfc_nodev_timeout, lpfc_els_retry_delay and + lpfc_linkdown_timeout to use the system timer instead of + internal clock support. + * Move remaining message logging functions in elx_util.c to + elx_logmsg.c. + * Remove some unnecessary typecasting. + * Remove log message that is no longer used (was used by + elx_str_atox). + * Replaced DLINK_t and SLINK_t by standard Linux list_head + * Removed deque macro + * Replaced ELX_DLINK_t ans ELX_SLINK_t by Linux struct list_head + (except for clock) + * Removed following functions from code: linux_kmalloc linux_kfree + elx_alloc_bigbuf elx_free_bigbuf + * Removed following abstract functions from the code. elx_malloc + elx_free elx_ip_get_rcv_buf elx_ip_free_rcv_buf + elx_mem_alloc_dmabuf elx_mem_alloc_dmabufext elx_mem_alloc_dma + elx_mem_alloc_buf lpfc_bufmap + * Removed custom PCI configuration #defines and replaced with + OS-provided #defines. Also added linux/pci.h to *.c files. + * Remove elx_str_ctox. Replace elx_str_atox with sscanf. + * Many indentation/whitespace fixes. + * Replace elx_str_ctox with isxdigit where it was only used to + check the value of a character. + * Removed following functions from the code. elx_kmem_free + elx_kmem_alloc elx_kmem_zalloc + * Change use of 2.4 SCSI typedef Scsi_Host_Template to struct + scsi_host_template for 2.6 kernels. + * Change use of 2.4 SCSI typedefs (Scsi_Device, Scsi_Cmnd, + Scsi_Request) the their real struct names. + * Move 2.6 compatibility irqreturn definitions to lpfc_compat.h. + Protect these definitions from conflicting with similar ones in + later 2.4 kernels. + * Remove unused definitions: LINUX_TGT_t, LINUX_LUN_t, + LINUX_BUF_t, elx_lun_t, SET_ADAPTER_STATUS. + * Convert pci_ calls to linux 2.6 dma_ equivalents. + * Removed unused types: struct buf, struct sc_buf, T_SCSIBUF + typedef. + * Fix Makefile so that 2.4 drivers don't always rebuild all files. + * Remove unused _static_ and fc_lun_t definitions. + * Cleaned up some memory pool implementation code. + * Fix panic with char dev changes. Turns out that 2.6.4 code does + the same in kernel space with the 2.4 interface style + definitions. So remove the new char dev code altogether. + * Remove typecasting from fc_get_cfg_param and consolidate + multiple instances of the parameter switch into a single + instance. + * Use lpfc_is_LC_HBA() macro that tests pcidev->device directly + instead of saving a private copy that undergoes varied shifting + & casting. + * Removed usage of all memory pools. + +Changes from 20040312 to 20040319 + + * Use dev_warn instead of printk for 2.6 kernels + * Correct Iocbq completion routine for 2.6 kernel case + * Change void *pOSCmd to Scsi_Smnd *pCmd + * Change void *pOScmd to struct sk_buff *pCmd + * Remove data directon code. + * Removed memory pool for buf/bpl buffers and use kmalloc/kfree + pci_pool_alloc/free directly. + * Move PPC check for DMA address 0 in scatter-gather list, into + lpfc_compat.h + * Always use pci_unmap_single() instead of pci_unmap_page() + * Clean up the 2.6 vs 2.4 #if blocks. + * Conditionalize Scheduler + * Add a comment to explain a little what the first Makefile + section does. + * Removed lpfc_intr_post + * Sysfs new display format. Also added write functionality. You + can [ echo "0 log_verbose 3" > + /sys/bus/pci/drivers/lpfc/params]. Hex support yet to be added. + * Removed several #ifdef powerpc, including for a discovery issue + in lpfc_ValidLun() + * Change elx_printf_log to use vsprintf. + * Added lpfc_compat.h provides macros to aid compilation in the + Linux 2.4 kernel over various platform architectures. Initially + support mapping to a DMA address. + * Removed memory pool for nlp/bind buffers and use kmalloc/kfree + directly. + * Removed memory pool for iocb buffers and use kmalloc/kfree + directly. + * Removed memory pool for mailbox buffers and use kmalloc/kfree + directly. + * Cleaned up back and forth casts + * Initial support for sysfs for 2.6 kernel. + * Changed elx_dma_addr_t to dma_addr_t + * Fix a 2.6 kernel check to be >= 2.6.0 instead of > (was missing + 2.6.0). + * Remove elx_printf and elx_str_sprintf. Replace elx_print with + printk. + * Replace elx_printf with printk. + * Replace elx_str_sprintf with sprintf. + * Removed the mem_lock, its prototype, function, macro, and + iflags. + * Use kmalloc/kfree for ELX_SCSI_BUF_t + * Use linux pci_pools for SCSI_DMA_EXT + * Use linux pci_pools for BPLs. + * Minor cleanup of DFC args for PPC64. + * Several small indentation cleanups. + * New Linux 2.6 style of char device registration. + * Migrated members of LPFCHBA_t and LINUX_HBA_t into elxHBA_t + * Use strcpy, strncmp, isdigit, strlen instead of abstractions + * Cleanup of driver_template. + * Facilitate compile time turn on/off of lpfc_network_on. + * Split large source files into smaller, better named ones. + +Changes from 2.10a to 20040312 + + * Fix build for 2.4 kernels + * Move driver version macros into lpfc_version.h file. + * Fixed data miscompare with LIP. + * Removed elx_sli, elx_ioc, elx_disc, elx_sch routines, + prototypes, and reference points. + * Correct the space insertions with hardtabs + * Remove routine call pointers in ELX_SLI_INIT_t struct. + * Removed module locks except for drvr, mem, and clock. + * Removed unused module locks from sourcebase. Kept drvr_lock, + mem_lock, and clock_lock. + * Change NULL to 0 diff --git a/Documentation/scsi/lpfc.txt b/Documentation/scsi/lpfc.txt new file mode 100644 index 000000000000..4dbe41370a6d --- /dev/null +++ b/Documentation/scsi/lpfc.txt @@ -0,0 +1,83 @@ + +LPFC Driver Release Notes: + +============================================================================= + + + IMPORTANT: + + Starting in the 8.0.17 release, the driver began to be targeted strictly + toward the upstream kernel. As such, we removed #ifdefs for older kernels + (pre 2.6.10). The 8.0.16 release should be used if the driver is to be + run on one of the older kernels. + + The proposed modifications to the transport layer for FC remote ports + and extended attribute support is now part of the upstream kernel + as of 2.6.12. We no longer need to provide patches for this support, + nor a *full* version which has old an new kernel support. + + The driver now requires a 2.6.12 (if pre-release, 2.6.12-rc1) or later + kernel. + + Please heed these dependencies.... + + + ******************************************************************** + + +The following information is provided for additional background on the +history of the driver as we push for upstream acceptance. + +Cable pull and temporary device Loss: + + In older revisions of the lpfc driver, the driver internally queued i/o + received from the midlayer. In the cases where a cable was pulled, link + jitter, or a device temporarily loses connectivity (due to its cable + being removed, a switch rebooting, or a device reboot), the driver could + hide the disappearance of the device from the midlayer. I/O's issued to + the LLDD would simply be queued for a short duration, allowing the device + to reappear or link come back alive, with no inadvertant side effects + to the system. If the driver did not hide these conditions, i/o would be + errored by the driver, the mid-layer would exhaust its retries, and the + device would be taken offline. Manual intervention would be required to + re-enable the device. + + The community supporting kernel.org has driven an effort to remove + internal queuing from all LLDDs. The philosophy is that internal + queuing is unnecessary as the block layer already performs the + queuing. Removing the queues from the LLDD makes a more predictable + and more simple LLDD. + + As a potential new addition to kernel.org, the 8.x driver was asked to + have all internal queuing removed. Emulex complied with this request. + In explaining the impacts of this change, Emulex has worked with the + community in modifying the behavior of the SCSI midlayer so that SCSI + devices can be temporarily suspended while transport events (such as + those described) can occur. + + The proposed patch was posted to the linux-scsi mailing list. The patch + is contained in the 2.6.10-rc2 (and later) patch kits. As such, this + patch is part of the standard 2.6.10 kernel. + + By default, the driver expects the patches for block/unblock interfaces + to be present in the kernel. No #define needs to be set to enable support. + + +Kernel Support + + This source package is targeted for the upstream kernel only. (See notes + at the top of this file). It relies on interfaces that are slowing + migrating into the kernel.org kernel. + + At this time, the driver requires the 2.6.12 (if pre-release, 2.6.12-rc1) + kernel. + + If a driver is needed for older kernels please utilize the 8.0.16 + driver sources. + + +Patches + + Thankfully, at this time, patches are not needed. + + diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 718df4c6c3b2..750b11cefd93 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -1314,6 +1314,14 @@ config SCSI_QLOGICPTI source "drivers/scsi/qla2xxx/Kconfig" +config SCSI_LPFC + tristate "Emulex LightPulse Fibre Channel Support" + depends on PCI && SCSI + select SCSI_FC_ATTRS + help + This lpfc driver supports the Emulex LightPulse + Family of Fibre Channel PCI host adapters. + config SCSI_SEAGATE tristate "Seagate ST-02 and Future Domain TMC-8xx SCSI support" depends on X86 && ISA && SCSI && BROKEN diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 29fcee35ec01..9cb9fe7d623a 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -80,6 +80,7 @@ obj-$(CONFIG_SCSI_QLOGIC_ISP) += qlogicisp.o obj-$(CONFIG_SCSI_QLOGIC_FC) += qlogicfc.o obj-$(CONFIG_SCSI_QLOGIC_1280) += qla1280.o obj-$(CONFIG_SCSI_QLA2XXX) += qla2xxx/ +obj-$(CONFIG_SCSI_LPFC) += lpfc/ obj-$(CONFIG_SCSI_PAS16) += pas16.o obj-$(CONFIG_SCSI_SEAGATE) += seagate.o obj-$(CONFIG_SCSI_FD_8xx) += seagate.o diff --git a/drivers/scsi/lpfc/Makefile b/drivers/scsi/lpfc/Makefile new file mode 100644 index 000000000000..2b3098591c41 --- /dev/null +++ b/drivers/scsi/lpfc/Makefile @@ -0,0 +1,32 @@ +#/******************************************************************* +# * This file is part of the Emulex Linux Device Driver for * +# * Enterprise Fibre Channel Host Bus Adapters. * +# * Refer to the README file included with this package for * +# * driver version and adapter support. * +# * Copyright (C) 2004 Emulex Corporation. * +# * www.emulex.com * +# * * +# * This program is free software; you can redistribute it and/or * +# * modify it under the terms of the GNU General Public License * +# * as published by the Free Software Foundation; either version 2 * +# * of the License, or (at your option) any later version. * +# * * +# * This program is distributed in the hope that it will be useful, * +# * but WITHOUT ANY WARRANTY; without even the implied warranty of * +# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * +# * GNU General Public License for more details, a copy of which * +# * can be found in the file COPYING included with this package. * +# *******************************************************************/ +###################################################################### + +#$Id: Makefile 1.58 2005/01/23 19:00:32EST sf_support Exp $ + +ifneq ($(GCOV),) + EXTRA_CFLAGS += -fprofile-arcs -ftest-coverage + EXTRA_CFLAGS += -O0 +endif + +obj-$(CONFIG_SCSI_LPFC) := lpfc.o + +lpfc-objs := lpfc_mem.o lpfc_sli.o lpfc_ct.o lpfc_els.o lpfc_hbadisc.o \ + lpfc_init.o lpfc_mbox.o lpfc_nportdisc.o lpfc_scsi.o lpfc_attr.o diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h new file mode 100644 index 000000000000..d78247c63d04 --- /dev/null +++ b/drivers/scsi/lpfc/lpfc.h @@ -0,0 +1,384 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc.h 1.167 2005/04/07 08:47:05EDT sf_support Exp $ + */ + +struct lpfc_sli2_slim; + +#define LPFC_MAX_TARGET 256 /* max targets supported */ +#define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els req */ +#define LPFC_MAX_NS_RETRY 3 /* max NameServer retries */ + +#define LPFC_DFT_HBA_Q_DEPTH 2048 /* max cmds per hba */ +#define LPFC_LC_HBA_Q_DEPTH 1024 /* max cmds per low cost hba */ +#define LPFC_LP101_HBA_Q_DEPTH 128 /* max cmds per low cost hba */ + +#define LPFC_CMD_PER_LUN 30 /* max outstanding cmds per lun */ +#define LPFC_SG_SEG_CNT 64 /* sg element count per scsi cmnd */ +#define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */ + +/* Define macros for 64 bit support */ +#define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr))) +#define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32))) +#define getPaddr(high, low) ((dma_addr_t)( \ + (( (u64)(high)<<16 ) << 16)|( (u64)(low)))) +/* Provide maximum configuration definitions. */ +#define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */ +#define MAX_FCP_TARGET 256 /* max num of FCP targets supported */ +#define FC_MAX_ADPTMSG 64 + +#define MAX_HBAEVT 32 + +/* Provide DMA memory definitions the driver uses per port instance. */ +struct lpfc_dmabuf { + struct list_head list; + void *virt; /* virtual address ptr */ + dma_addr_t phys; /* mapped address */ +}; + +struct lpfc_dma_pool { + struct lpfc_dmabuf *elements; + uint32_t max_count; + uint32_t current_count; +}; + +/* Priority bit. Set value to exceed low water mark in lpfc_mem. */ +#define MEM_PRI 0x100 + + +/****************************************************************************/ +/* Device VPD save area */ +/****************************************************************************/ +typedef struct lpfc_vpd { + uint32_t status; /* vpd status value */ + uint32_t length; /* number of bytes actually returned */ + struct { + uint32_t rsvd1; /* Revision numbers */ + uint32_t biuRev; + uint32_t smRev; + uint32_t smFwRev; + uint32_t endecRev; + uint16_t rBit; + uint8_t fcphHigh; + uint8_t fcphLow; + uint8_t feaLevelHigh; + uint8_t feaLevelLow; + uint32_t postKernRev; + uint32_t opFwRev; + uint8_t opFwName[16]; + uint32_t sli1FwRev; + uint8_t sli1FwName[16]; + uint32_t sli2FwRev; + uint8_t sli2FwName[16]; + } rev; +} lpfc_vpd_t; + +struct lpfc_scsi_buf; + + +/* + * lpfc stat counters + */ +struct lpfc_stats { + /* Statistics for ELS commands */ + uint32_t elsLogiCol; + uint32_t elsRetryExceeded; + uint32_t elsXmitRetry; + uint32_t elsDelayRetry; + uint32_t elsRcvDrop; + uint32_t elsRcvFrame; + uint32_t elsRcvRSCN; + uint32_t elsRcvRNID; + uint32_t elsRcvFARP; + uint32_t elsRcvFARPR; + uint32_t elsRcvFLOGI; + uint32_t elsRcvPLOGI; + uint32_t elsRcvADISC; + uint32_t elsRcvPDISC; + uint32_t elsRcvFAN; + uint32_t elsRcvLOGO; + uint32_t elsRcvPRLO; + uint32_t elsRcvPRLI; + uint32_t elsRcvRRQ; + uint32_t elsXmitFLOGI; + uint32_t elsXmitPLOGI; + uint32_t elsXmitPRLI; + uint32_t elsXmitADISC; + uint32_t elsXmitLOGO; + uint32_t elsXmitSCR; + uint32_t elsXmitRNID; + uint32_t elsXmitFARP; + uint32_t elsXmitFARPR; + uint32_t elsXmitACC; + uint32_t elsXmitLSRJT; + + uint32_t frameRcvBcast; + uint32_t frameRcvMulti; + uint32_t strayXmitCmpl; + uint32_t frameXmitDelay; + uint32_t xriCmdCmpl; + uint32_t xriStatErr; + uint32_t LinkUp; + uint32_t LinkDown; + uint32_t LinkMultiEvent; + uint32_t NoRcvBuf; + uint32_t fcpCmd; + uint32_t fcpCmpl; + uint32_t fcpRspErr; + uint32_t fcpRemoteStop; + uint32_t fcpPortRjt; + uint32_t fcpPortBusy; + uint32_t fcpError; + uint32_t fcpLocalErr; +}; + +enum sysfs_mbox_state { + SMBOX_IDLE, + SMBOX_WRITING, + SMBOX_READING +}; + +struct lpfc_sysfs_mbox { + enum sysfs_mbox_state state; + size_t offset; + struct lpfcMboxq * mbox; +}; + +struct lpfc_hba { + struct list_head hba_list; /* List of hbas/ports */ + struct lpfc_sli sli; + struct lpfc_sli2_slim *slim2p; + dma_addr_t slim2p_mapping; + uint16_t pci_cfg_value; + + uint32_t hba_state; + +#define LPFC_INIT_START 1 /* Initial state after board reset */ +#define LPFC_INIT_MBX_CMDS 2 /* Initialize HBA with mbox commands */ +#define LPFC_LINK_DOWN 3 /* HBA initialized, link is down */ +#define LPFC_LINK_UP 4 /* Link is up - issue READ_LA */ +#define LPFC_LOCAL_CFG_LINK 5 /* local NPORT Id configured */ +#define LPFC_FLOGI 6 /* FLOGI sent to Fabric */ +#define LPFC_FABRIC_CFG_LINK 7 /* Fabric assigned NPORT Id + configured */ +#define LPFC_NS_REG 8 /* Register with NameServer */ +#define LPFC_NS_QRY 9 /* Query NameServer for NPort ID list */ +#define LPFC_BUILD_DISC_LIST 10 /* Build ADISC and PLOGI lists for + * device authentication / discovery */ +#define LPFC_DISC_AUTH 11 /* Processing ADISC list */ +#define LPFC_CLEAR_LA 12 /* authentication cmplt - issue + CLEAR_LA */ +#define LPFC_HBA_READY 32 +#define LPFC_HBA_ERROR 0xff + + uint8_t fc_linkspeed; /* Link speed after last READ_LA */ + + uint32_t fc_eventTag; /* event tag for link attention */ + uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */ + + uint32_t num_disc_nodes; /*in addition to hba_state */ + + struct timer_list fc_estabtmo; /* link establishment timer */ + struct timer_list fc_disctmo; /* Discovery rescue timer */ + struct timer_list fc_fdmitmo; /* fdmi timer */ + /* These fields used to be binfo */ + struct lpfc_name fc_nodename; /* fc nodename */ + struct lpfc_name fc_portname; /* fc portname */ + uint32_t fc_pref_DID; /* preferred D_ID */ + uint8_t fc_pref_ALPA; /* preferred AL_PA */ + uint32_t fc_edtov; /* E_D_TOV timer value */ + uint32_t fc_arbtov; /* ARB_TOV timer value */ + uint32_t fc_ratov; /* R_A_TOV timer value */ + uint32_t fc_rttov; /* R_T_TOV timer value */ + uint32_t fc_altov; /* AL_TOV timer value */ + uint32_t fc_crtov; /* C_R_TOV timer value */ + uint32_t fc_citov; /* C_I_TOV timer value */ + uint32_t fc_myDID; /* fibre channel S_ID */ + uint32_t fc_prevDID; /* previous fibre channel S_ID */ + + struct serv_parm fc_sparam; /* buffer for our service parameters */ + struct serv_parm fc_fabparam; /* fabric service parameters buffer */ + uint8_t alpa_map[128]; /* AL_PA map from READ_LA */ + + uint8_t fc_ns_retry; /* retries for fabric nameserver */ + uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */ + uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */ + struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN]; + uint32_t lmt; + uint32_t fc_flag; /* FC flags */ +#define FC_PT2PT 0x1 /* pt2pt with no fabric */ +#define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */ +#define FC_DISC_TMO 0x4 /* Discovery timer running */ +#define FC_PUBLIC_LOOP 0x8 /* Public loop */ +#define FC_LBIT 0x10 /* LOGIN bit in loopinit set */ +#define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */ +#define FC_NLP_MORE 0x40 /* More node to process in node tbl */ +#define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */ +#define FC_FABRIC 0x100 /* We are fabric attached */ +#define FC_ESTABLISH_LINK 0x200 /* Reestablish Link */ +#define FC_RSCN_DISCOVERY 0x400 /* Authenticate all devices after RSCN*/ +#define FC_LOADING 0x1000 /* HBA in process of loading drvr */ +#define FC_UNLOADING 0x2000 /* HBA in process of unloading drvr */ +#define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */ +#define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */ +#define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */ + + uint32_t fc_topology; /* link topology, from LINK INIT */ + + struct lpfc_stats fc_stat; + + /* These are the head/tail pointers for the bind, plogi, adisc, unmap, + * and map lists. Their counters are immediately following. + */ + struct list_head fc_plogi_list; + struct list_head fc_adisc_list; + struct list_head fc_reglogin_list; + struct list_head fc_prli_list; + struct list_head fc_nlpunmap_list; + struct list_head fc_nlpmap_list; + struct list_head fc_npr_list; + struct list_head fc_unused_list; + + /* Keep counters for the number of entries in each list. */ + uint16_t fc_plogi_cnt; + uint16_t fc_adisc_cnt; + uint16_t fc_reglogin_cnt; + uint16_t fc_prli_cnt; + uint16_t fc_unmap_cnt; + uint16_t fc_map_cnt; + uint16_t fc_npr_cnt; + uint16_t fc_unused_cnt; + struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */ + uint32_t nport_event_cnt; /* timestamp for nlplist entry */ + +#define LPFC_RPI_HASH_SIZE 64 +#define LPFC_RPI_HASH_FUNC(x) ((x) & (0x3f)) + /* ptr to active D_ID / RPIs */ + struct lpfc_nodelist *fc_nlplookup[LPFC_RPI_HASH_SIZE]; + uint32_t wwnn[2]; + uint32_t RandomData[7]; + + uint32_t cfg_log_verbose; + uint32_t cfg_lun_queue_depth; + uint32_t cfg_nodev_tmo; + uint32_t cfg_hba_queue_depth; + uint32_t cfg_fcp_class; + uint32_t cfg_use_adisc; + uint32_t cfg_ack0; + uint32_t cfg_topology; + uint32_t cfg_scan_down; + uint32_t cfg_link_speed; + uint32_t cfg_cr_delay; + uint32_t cfg_cr_count; + uint32_t cfg_fdmi_on; + uint32_t cfg_fcp_bind_method; + uint32_t cfg_discovery_threads; + uint32_t cfg_max_luns; + uint32_t cfg_sg_seg_cnt; + uint32_t cfg_sg_dma_buf_size; + + lpfc_vpd_t vpd; /* vital product data */ + + struct Scsi_Host *host; + struct pci_dev *pcidev; + struct list_head work_list; + uint32_t work_ha; /* Host Attention Bits for WT */ + uint32_t work_ha_mask; /* HA Bits owned by WT */ + uint32_t work_hs; /* HS stored in case of ERRAT */ + uint32_t work_status[2]; /* Extra status from SLIM */ + uint32_t work_hba_events; /* Timeout to be handled */ +#define WORKER_DISC_TMO 0x1 /* Discovery timeout */ +#define WORKER_ELS_TMO 0x2 /* ELS timeout */ +#define WORKER_MBOX_TMO 0x4 /* MBOX timeout */ +#define WORKER_FDMI_TMO 0x8 /* FDMI timeout */ + + wait_queue_head_t *work_wait; + struct task_struct *worker_thread; + + unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */ + unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */ + void __iomem *slim_memmap_p; /* Kernel memory mapped address for + PCI BAR0 */ + void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for + PCI BAR2 */ + + void __iomem *MBslimaddr; /* virtual address for mbox cmds */ + void __iomem *HAregaddr; /* virtual address for host attn reg */ + void __iomem *CAregaddr; /* virtual address for chip attn reg */ + void __iomem *HSregaddr; /* virtual address for host status + reg */ + void __iomem *HCregaddr; /* virtual address for host ctl reg */ + + int brd_no; /* FC board number */ + + char SerialNumber[32]; /* adapter Serial Number */ + char OptionROMVersion[32]; /* adapter BIOS / Fcode version */ + char ModelDesc[256]; /* Model Description */ + char ModelName[80]; /* Model Name */ + char ProgramType[256]; /* Program Type */ + char Port[20]; /* Port No */ + uint8_t vpd_flag; /* VPD data flag */ + +#define VPD_MODEL_DESC 0x1 /* valid vpd model description */ +#define VPD_MODEL_NAME 0x2 /* valid vpd model name */ +#define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */ +#define VPD_PORT 0x8 /* valid vpd port data */ +#define VPD_MASK 0xf /* mask for any vpd data */ + + struct timer_list els_tmofunc; + + void *link_stats; + + /* + * stat counters + */ + uint64_t fc4InputRequests; + uint64_t fc4OutputRequests; + uint64_t fc4ControlRequests; + + struct lpfc_sysfs_mbox sysfs_mbox; + + /* fastpath list. */ + struct list_head lpfc_scsi_buf_list; + uint32_t total_scsi_bufs; + struct list_head lpfc_iocb_list; + uint32_t total_iocbq_bufs; + + /* pci_mem_pools */ + struct pci_pool *lpfc_scsi_dma_buf_pool; + struct pci_pool *lpfc_mbuf_pool; + struct lpfc_dma_pool lpfc_mbuf_safety_pool; + + mempool_t *mbox_mem_pool; + mempool_t *nlp_mem_pool; + struct list_head freebufList; + struct list_head ctrspbuflist; + struct list_head rnidrspbuflist; +}; + + +struct rnidrsp { + void *buf; + uint32_t uniqueid; + struct list_head list; + uint32_t data; +}; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c new file mode 100644 index 000000000000..1276bd77b995 --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -0,0 +1,1291 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_attr.c 1.24 2005/04/13 11:58:55EDT sf_support Exp $ + */ + +#include +#include +#include + +#include +#include +#include +#include + +#include "lpfc_hw.h" +#include "lpfc_sli.h" +#include "lpfc_disc.h" +#include "lpfc_scsi.h" +#include "lpfc.h" +#include "lpfc_logmsg.h" +#include "lpfc_version.h" +#include "lpfc_compat.h" +#include "lpfc_crtn.h" + + +static void +lpfc_jedec_to_ascii(int incr, char hdw[]) +{ + int i, j; + for (i = 0; i < 8; i++) { + j = (incr & 0xf); + if (j <= 9) + hdw[7 - i] = 0x30 + j; + else + hdw[7 - i] = 0x61 + j - 10; + incr = (incr >> 4); + } + hdw[8] = 0; + return; +} + +static ssize_t +lpfc_drvr_version_show(struct class_device *cdev, char *buf) +{ + return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); +} + +static ssize_t +management_version_show(struct class_device *cdev, char *buf) +{ + return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n"); +} + +static ssize_t +lpfc_info_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *host = class_to_shost(cdev); + return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); +} + +static ssize_t +lpfc_serialnum_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); +} + +static ssize_t +lpfc_modeldesc_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); +} + +static ssize_t +lpfc_modelname_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); +} + +static ssize_t +lpfc_programtype_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); +} + +static ssize_t +lpfc_portnum_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); +} + +static ssize_t +lpfc_fwrev_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + char fwrev[32]; + lpfc_decode_firmware_rev(phba, fwrev, 1); + return snprintf(buf, PAGE_SIZE, "%s\n",fwrev); +} + +static ssize_t +lpfc_hdw_show(struct class_device *cdev, char *buf) +{ + char hdw[9]; + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + lpfc_vpd_t *vp = &phba->vpd; + lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); + return snprintf(buf, PAGE_SIZE, "%s\n", hdw); +} +static ssize_t +lpfc_option_rom_version_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); +} +static ssize_t +lpfc_state_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + int len = 0; + switch (phba->hba_state) { + case LPFC_INIT_START: + case LPFC_INIT_MBX_CMDS: + case LPFC_LINK_DOWN: + len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n"); + break; + case LPFC_LINK_UP: + case LPFC_LOCAL_CFG_LINK: + len += snprintf(buf + len, PAGE_SIZE-len, "Link Up\n"); + break; + case LPFC_FLOGI: + case LPFC_FABRIC_CFG_LINK: + case LPFC_NS_REG: + case LPFC_NS_QRY: + case LPFC_BUILD_DISC_LIST: + case LPFC_DISC_AUTH: + case LPFC_CLEAR_LA: + len += snprintf(buf + len, PAGE_SIZE-len, + "Link Up - Discovery\n"); + break; + case LPFC_HBA_READY: + len += snprintf(buf + len, PAGE_SIZE-len, + "Link Up - Ready:\n"); + if (phba->fc_topology == TOPOLOGY_LOOP) { + if (phba->fc_flag & FC_PUBLIC_LOOP) + len += snprintf(buf + len, PAGE_SIZE-len, + " Public Loop\n"); + else + len += snprintf(buf + len, PAGE_SIZE-len, + " Private Loop\n"); + } else { + if (phba->fc_flag & FC_FABRIC) + len += snprintf(buf + len, PAGE_SIZE-len, + " Fabric\n"); + else + len += snprintf(buf + len, PAGE_SIZE-len, + " Point-2-Point\n"); + } + } + return len; +} + +static ssize_t +lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt + + phba->fc_unmap_cnt); +} + + +static ssize_t +lpfc_issue_lip (struct class_device *cdev, const char *buf, size_t count) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata[0]; + int val = 0; + LPFC_MBOXQ_t *pmboxq; + int mbxstatus = MBXERR_ERROR; + + if ((sscanf(buf, "%d", &val) != 1) || + (val != 1)) + return -EINVAL; + + if ((phba->fc_flag & FC_OFFLINE_MODE) || + (phba->hba_state != LPFC_HBA_READY)) + return -EPERM; + + pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); + + if (!pmboxq) + return -ENOMEM; + + memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); + lpfc_init_link(phba, pmboxq, phba->cfg_topology, phba->cfg_link_speed); + mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); + + if (mbxstatus == MBX_TIMEOUT) + pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + else + mempool_free( pmboxq, phba->mbox_mem_pool); + + if (mbxstatus == MBXERR_ERROR) + return -EIO; + + return strlen(buf); +} + +static ssize_t +lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); +} + +static ssize_t +lpfc_board_online_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + + if (!phba) return 0; + + if (phba->fc_flag & FC_OFFLINE_MODE) + return snprintf(buf, PAGE_SIZE, "0\n"); + else + return snprintf(buf, PAGE_SIZE, "1\n"); +} + +static ssize_t +lpfc_board_online_store(struct class_device *cdev, const char *buf, + size_t count) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + struct completion online_compl; + int val=0, status=0; + + if (sscanf(buf, "%d", &val) != 1) + return 0; + + init_completion(&online_compl); + + if (val) + lpfc_workq_post_event(phba, &status, &online_compl, + LPFC_EVT_ONLINE); + else + lpfc_workq_post_event(phba, &status, &online_compl, + LPFC_EVT_OFFLINE); + wait_for_completion(&online_compl); + if (!status) + return strlen(buf); + else + return 0; +} + + +#define lpfc_param_show(attr) \ +static ssize_t \ +lpfc_##attr##_show(struct class_device *cdev, char *buf) \ +{ \ + struct Scsi_Host *host = class_to_shost(cdev);\ + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\ + int val = 0;\ + if (phba){\ + val = phba->cfg_##attr;\ + return snprintf(buf, PAGE_SIZE, "%d\n",\ + phba->cfg_##attr);\ + }\ + return 0;\ +} + +#define lpfc_param_store(attr, minval, maxval) \ +static ssize_t \ +lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \ +{ \ + struct Scsi_Host *host = class_to_shost(cdev);\ + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\ + int val = 0;\ + if (!isdigit(buf[0]))\ + return -EINVAL;\ + if (sscanf(buf, "0x%x", &val) != 1)\ + if (sscanf(buf, "%d", &val) != 1)\ + return -EINVAL;\ + if (phba){\ + if (val >= minval && val <= maxval) {\ + phba->cfg_##attr = val;\ + return strlen(buf);\ + }\ + }\ + return 0;\ +} + +#define LPFC_ATTR_R_NOINIT(name, desc) \ +extern int lpfc_##name;\ +module_param(lpfc_##name, int, 0);\ +MODULE_PARM_DESC(lpfc_##name, desc);\ +lpfc_param_show(name)\ +static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) + +#define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ +static int lpfc_##name = defval;\ +module_param(lpfc_##name, int, 0);\ +MODULE_PARM_DESC(lpfc_##name, desc);\ +lpfc_param_show(name)\ +static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) + +#define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ +static int lpfc_##name = defval;\ +module_param(lpfc_##name, int, 0);\ +MODULE_PARM_DESC(lpfc_##name, desc);\ +lpfc_param_show(name)\ +lpfc_param_store(name, minval, maxval)\ +static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ + lpfc_##name##_show, lpfc_##name##_store) + +static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); +static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); +static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); +static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); +static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); +static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL); +static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); +static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); +static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL); +static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO, + lpfc_option_rom_version_show, NULL); +static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO, + lpfc_num_discovered_ports_show, NULL); +static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); +static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, + NULL); +static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show, + NULL); +static CLASS_DEVICE_ATTR(issue_lip, S_IWUSR, NULL, lpfc_issue_lip); +static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR, + lpfc_board_online_show, lpfc_board_online_store); + + +/* +# lpfc_log_verbose: Only turn this flag on if you are willing to risk being +# deluged with LOTS of information. +# You can set a bit mask to record specific types of verbose messages: +# +# LOG_ELS 0x1 ELS events +# LOG_DISCOVERY 0x2 Link discovery events +# LOG_MBOX 0x4 Mailbox events +# LOG_INIT 0x8 Initialization events +# LOG_LINK_EVENT 0x10 Link events +# LOG_IP 0x20 IP traffic history +# LOG_FCP 0x40 FCP traffic history +# LOG_NODE 0x80 Node table events +# LOG_MISC 0x400 Miscellaneous events +# LOG_SLI 0x800 SLI events +# LOG_CHK_COND 0x1000 FCP Check condition flag +# LOG_LIBDFC 0x2000 LIBDFC events +# LOG_ALL_MSG 0xffff LOG all messages +*/ +LPFC_ATTR_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask"); + +/* +# lun_queue_depth: This parameter is used to limit the number of outstanding +# commands per FCP LUN. Value range is [1,128]. Default value is 30. +*/ +LPFC_ATTR_R(lun_queue_depth, 30, 1, 128, + "Max number of FCP commands we can queue to a specific LUN"); + +/* +# Some disk devices have a "select ID" or "select Target" capability. +# From a protocol standpoint "select ID" usually means select the +# Fibre channel "ALPA". In the FC-AL Profile there is an "informative +# annex" which contains a table that maps a "select ID" (a number +# between 0 and 7F) to an ALPA. By default, for compatibility with +# older drivers, the lpfc driver scans this table from low ALPA to high +# ALPA. +# +# Turning on the scan-down variable (on = 1, off = 0) will +# cause the lpfc driver to use an inverted table, effectively +# scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. +# +# (Note: This "select ID" functionality is a LOOP ONLY characteristic +# and will not work across a fabric. Also this parameter will take +# effect only in the case when ALPA map is not available.) +*/ +LPFC_ATTR_R(scan_down, 1, 0, 1, + "Start scanning for devices from highest ALPA to lowest"); + +/* +# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear +# until the timer expires. Value range is [0,255]. Default value is 20. +# NOTE: this MUST be less then the SCSI Layer command timeout - 1. +*/ +LPFC_ATTR_RW(nodev_tmo, 30, 0, 255, + "Seconds driver will hold I/O waiting for a device to come back"); + +/* +# lpfc_topology: link topology for init link +# 0x0 = attempt loop mode then point-to-point +# 0x02 = attempt point-to-point mode only +# 0x04 = attempt loop mode only +# 0x06 = attempt point-to-point mode then loop +# Set point-to-point mode if you want to run as an N_Port. +# Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. +# Default value is 0. +*/ +LPFC_ATTR_R(topology, 0, 0, 6, "Select Fibre Channel topology"); + +/* +# lpfc_link_speed: Link speed selection for initializing the Fibre Channel +# connection. +# 0 = auto select (default) +# 1 = 1 Gigabaud +# 2 = 2 Gigabaud +# 4 = 4 Gigabaud +# Value range is [0,4]. Default value is 0. +*/ +LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed"); + +/* +# lpfc_fcp_class: Determines FC class to use for the FCP protocol. +# Value range is [2,3]. Default value is 3. +*/ +LPFC_ATTR_R(fcp_class, 3, 2, 3, + "Select Fibre Channel class of service for FCP sequences"); + +/* +# lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range +# is [0,1]. Default value is 0. +*/ +LPFC_ATTR_RW(use_adisc, 0, 0, 1, + "Use ADISC on rediscovery to authenticate FCP devices"); + +/* +# lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value +# range is [0,1]. Default value is 0. +*/ +LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); + +/* +# lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing +# cr_delay (msec) or cr_count outstanding commands. cr_delay can take +# value [0,63]. cr_count can take value [0,255]. Default value of cr_delay +# is 0. Default value of cr_count is 1. The cr_count feature is disabled if +# cr_delay is set to 0. +*/ +static int lpfc_cr_delay = 0; +module_param(lpfc_cr_delay, int , 0); +MODULE_PARM_DESC(lpfc_cr_delay, "A count of milliseconds after which an " + "interrupt response is generated"); + +static int lpfc_cr_count = 1; +module_param(lpfc_cr_count, int, 0); +MODULE_PARM_DESC(lpfc_cr_count, "A count of I/O completions after which an " + "interrupt response is generated"); + +/* +# lpfc_fdmi_on: controls FDMI support. +# 0 = no FDMI support +# 1 = support FDMI without attribute of hostname +# 2 = support FDMI with attribute of hostname +# Value range [0,2]. Default value is 0. +*/ +LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); + +/* +# Specifies the maximum number of ELS cmds we can have outstanding (for +# discovery). Value range is [1,64]. Default value = 32. +*/ +static int lpfc_discovery_threads = 32; +module_param(lpfc_discovery_threads, int, 0); +MODULE_PARM_DESC(lpfc_discovery_threads, "Maximum number of ELS commands " + "during discovery"); + +/* +# lpfc_max_luns: maximum number of LUNs per target driver will support +# Value range is [1,32768]. Default value is 256. +# NOTE: The SCSI layer will scan each target for this many luns +*/ +LPFC_ATTR_R(max_luns, 256, 1, 32768, + "Maximum number of LUNs per target driver will support"); + +struct class_device_attribute *lpfc_host_attrs[] = { + &class_device_attr_info, + &class_device_attr_serialnum, + &class_device_attr_modeldesc, + &class_device_attr_modelname, + &class_device_attr_programtype, + &class_device_attr_portnum, + &class_device_attr_fwrev, + &class_device_attr_hdw, + &class_device_attr_option_rom_version, + &class_device_attr_state, + &class_device_attr_num_discovered_ports, + &class_device_attr_lpfc_drvr_version, + &class_device_attr_lpfc_log_verbose, + &class_device_attr_lpfc_lun_queue_depth, + &class_device_attr_lpfc_nodev_tmo, + &class_device_attr_lpfc_fcp_class, + &class_device_attr_lpfc_use_adisc, + &class_device_attr_lpfc_ack0, + &class_device_attr_lpfc_topology, + &class_device_attr_lpfc_scan_down, + &class_device_attr_lpfc_link_speed, + &class_device_attr_lpfc_fdmi_on, + &class_device_attr_lpfc_max_luns, + &class_device_attr_nport_evt_cnt, + &class_device_attr_management_version, + &class_device_attr_issue_lip, + &class_device_attr_board_online, + NULL, +}; + +static ssize_t +sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count) +{ + size_t buf_off; + struct Scsi_Host *host = class_to_shost(container_of(kobj, + struct class_device, kobj)); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + + if ((off + count) > FF_REG_AREA_SIZE) + return -ERANGE; + + if (count == 0) return 0; + + if (off % 4 || count % 4 || (unsigned long)buf % 4) + return -EINVAL; + + spin_lock_irq(phba->host->host_lock); + + if (!(phba->fc_flag & FC_OFFLINE_MODE)) { + spin_unlock_irq(phba->host->host_lock); + return -EPERM; + } + + for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) + writel(*((uint32_t *)(buf + buf_off)), + phba->ctrl_regs_memmap_p + off + buf_off); + + spin_unlock_irq(phba->host->host_lock); + + return count; +} + +static ssize_t +sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count) +{ + size_t buf_off; + uint32_t * tmp_ptr; + struct Scsi_Host *host = class_to_shost(container_of(kobj, + struct class_device, kobj)); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + + if (off > FF_REG_AREA_SIZE) + return -ERANGE; + + if ((off + count) > FF_REG_AREA_SIZE) + count = FF_REG_AREA_SIZE - off; + + if (count == 0) return 0; + + if (off % 4 || count % 4 || (unsigned long)buf % 4) + return -EINVAL; + + spin_lock_irq(phba->host->host_lock); + + for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { + tmp_ptr = (uint32_t *)(buf + buf_off); + *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); + } + + spin_unlock_irq(phba->host->host_lock); + + return count; +} + +static struct bin_attribute sysfs_ctlreg_attr = { + .attr = { + .name = "ctlreg", + .mode = S_IRUSR | S_IWUSR, + .owner = THIS_MODULE, + }, + .size = 256, + .read = sysfs_ctlreg_read, + .write = sysfs_ctlreg_write, +}; + + +static void +sysfs_mbox_idle (struct lpfc_hba * phba) +{ + phba->sysfs_mbox.state = SMBOX_IDLE; + phba->sysfs_mbox.offset = 0; + + if (phba->sysfs_mbox.mbox) { + mempool_free(phba->sysfs_mbox.mbox, + phba->mbox_mem_pool); + phba->sysfs_mbox.mbox = NULL; + } +} + +static ssize_t +sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count) +{ + struct Scsi_Host * host = + class_to_shost(container_of(kobj, struct class_device, kobj)); + struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata[0]; + struct lpfcMboxq * mbox = NULL; + + if ((count + off) > MAILBOX_CMD_SIZE) + return -ERANGE; + + if (off % 4 || count % 4 || (unsigned long)buf % 4) + return -EINVAL; + + if (count == 0) + return 0; + + if (off == 0) { + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mbox) + return -ENOMEM; + + } + + spin_lock_irq(host->host_lock); + + if (off == 0) { + if (phba->sysfs_mbox.mbox) + mempool_free(mbox, phba->mbox_mem_pool); + else + phba->sysfs_mbox.mbox = mbox; + phba->sysfs_mbox.state = SMBOX_WRITING; + } else { + if (phba->sysfs_mbox.state != SMBOX_WRITING || + phba->sysfs_mbox.offset != off || + phba->sysfs_mbox.mbox == NULL ) { + sysfs_mbox_idle(phba); + spin_unlock_irq(host->host_lock); + return -EINVAL; + } + } + + memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off, + buf, count); + + phba->sysfs_mbox.offset = off + count; + + spin_unlock_irq(host->host_lock); + + return count; +} + +static ssize_t +sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count) +{ + struct Scsi_Host *host = + class_to_shost(container_of(kobj, struct class_device, + kobj)); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; + int rc; + + if (off > sizeof(MAILBOX_t)) + return -ERANGE; + + if ((count + off) > sizeof(MAILBOX_t)) + count = sizeof(MAILBOX_t) - off; + + if (off % 4 || count % 4 || (unsigned long)buf % 4) + return -EINVAL; + + if (off && count == 0) + return 0; + + spin_lock_irq(phba->host->host_lock); + + if (off == 0 && + phba->sysfs_mbox.state == SMBOX_WRITING && + phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { + + switch (phba->sysfs_mbox.mbox->mb.mbxCommand) { + /* Offline only */ + case MBX_WRITE_NV: + case MBX_INIT_LINK: + case MBX_DOWN_LINK: + case MBX_CONFIG_LINK: + case MBX_CONFIG_RING: + case MBX_RESET_RING: + case MBX_UNREG_LOGIN: + case MBX_CLEAR_LA: + case MBX_DUMP_CONTEXT: + case MBX_RUN_DIAGS: + case MBX_RESTART: + case MBX_FLASH_WR_ULA: + case MBX_SET_MASK: + case MBX_SET_SLIM: + case MBX_SET_DEBUG: + if (!(phba->fc_flag & FC_OFFLINE_MODE)) { + printk(KERN_WARNING "mbox_read:Command 0x%x " + "is illegal in on-line state\n", + phba->sysfs_mbox.mbox->mb.mbxCommand); + sysfs_mbox_idle(phba); + spin_unlock_irq(phba->host->host_lock); + return -EPERM; + } + case MBX_LOAD_SM: + case MBX_READ_NV: + case MBX_READ_CONFIG: + case MBX_READ_RCONFIG: + case MBX_READ_STATUS: + case MBX_READ_XRI: + case MBX_READ_REV: + case MBX_READ_LNK_STAT: + case MBX_DUMP_MEMORY: + case MBX_DOWN_LOAD: + case MBX_UPDATE_CFG: + case MBX_LOAD_AREA: + case MBX_LOAD_EXP_ROM: + break; + case MBX_READ_SPARM64: + case MBX_READ_LA: + case MBX_READ_LA64: + case MBX_REG_LOGIN: + case MBX_REG_LOGIN64: + case MBX_CONFIG_PORT: + case MBX_RUN_BIU_DIAG: + printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n", + phba->sysfs_mbox.mbox->mb.mbxCommand); + sysfs_mbox_idle(phba); + spin_unlock_irq(phba->host->host_lock); + return -EPERM; + default: + printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n", + phba->sysfs_mbox.mbox->mb.mbxCommand); + sysfs_mbox_idle(phba); + spin_unlock_irq(phba->host->host_lock); + return -EPERM; + } + + if ((phba->fc_flag & FC_OFFLINE_MODE) || + (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){ + + spin_unlock_irq(phba->host->host_lock); + rc = lpfc_sli_issue_mbox (phba, + phba->sysfs_mbox.mbox, + MBX_POLL); + spin_lock_irq(phba->host->host_lock); + + } else { + spin_unlock_irq(phba->host->host_lock); + rc = lpfc_sli_issue_mbox_wait (phba, + phba->sysfs_mbox.mbox, + phba->fc_ratov * 2); + spin_lock_irq(phba->host->host_lock); + } + + if (rc != MBX_SUCCESS) { + sysfs_mbox_idle(phba); + spin_unlock_irq(host->host_lock); + return -ENODEV; + } + phba->sysfs_mbox.state = SMBOX_READING; + } + else if (phba->sysfs_mbox.offset != off || + phba->sysfs_mbox.state != SMBOX_READING) { + printk(KERN_WARNING "mbox_read: Bad State\n"); + sysfs_mbox_idle(phba); + spin_unlock_irq(host->host_lock); + return -EINVAL; + } + + memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count); + + phba->sysfs_mbox.offset = off + count; + + if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t)) + sysfs_mbox_idle(phba); + + spin_unlock_irq(phba->host->host_lock); + + return count; +} + +static struct bin_attribute sysfs_mbox_attr = { + .attr = { + .name = "mbox", + .mode = S_IRUSR | S_IWUSR, + .owner = THIS_MODULE, + }, + .size = sizeof(MAILBOX_t), + .read = sysfs_mbox_read, + .write = sysfs_mbox_write, +}; + +int +lpfc_alloc_sysfs_attr(struct lpfc_hba *phba) +{ + struct Scsi_Host *host = phba->host; + int error; + + error = sysfs_create_bin_file(&host->shost_classdev.kobj, + &sysfs_ctlreg_attr); + if (error) + goto out; + + error = sysfs_create_bin_file(&host->shost_classdev.kobj, + &sysfs_mbox_attr); + if (error) + goto out_remove_ctlreg_attr; + + return 0; +out_remove_ctlreg_attr: + sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr); +out: + return error; +} + +void +lpfc_free_sysfs_attr(struct lpfc_hba *phba) +{ + struct Scsi_Host *host = phba->host; + + sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr); + sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr); +} + + +/* + * Dynamic FC Host Attributes Support + */ + +static void +lpfc_get_host_port_id(struct Scsi_Host *shost) +{ + struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; + /* note: fc_myDID already in cpu endianness */ + fc_host_port_id(shost) = phba->fc_myDID; +} + +static void +lpfc_get_host_port_type(struct Scsi_Host *shost) +{ + struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; + + spin_lock_irq(shost->host_lock); + + if (phba->hba_state == LPFC_HBA_READY) { + if (phba->fc_topology == TOPOLOGY_LOOP) { + if (phba->fc_flag & FC_PUBLIC_LOOP) + fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; + else + fc_host_port_type(shost) = FC_PORTTYPE_LPORT; + } else { + if (phba->fc_flag & FC_FABRIC) + fc_host_port_type(shost) = FC_PORTTYPE_NPORT; + else + fc_host_port_type(shost) = FC_PORTTYPE_PTP; + } + } else + fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; + + spin_unlock_irq(shost->host_lock); +} + +static void +lpfc_get_host_port_state(struct Scsi_Host *shost) +{ + struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; + + spin_lock_irq(shost->host_lock); + + if (phba->fc_flag & FC_OFFLINE_MODE) + fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; + else { + switch (phba->hba_state) { + case LPFC_INIT_START: + case LPFC_INIT_MBX_CMDS: + case LPFC_LINK_DOWN: + fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; + break; + case LPFC_LINK_UP: + case LPFC_LOCAL_CFG_LINK: + case LPFC_FLOGI: + case LPFC_FABRIC_CFG_LINK: + case LPFC_NS_REG: + case LPFC_NS_QRY: + case LPFC_BUILD_DISC_LIST: + case LPFC_DISC_AUTH: + case LPFC_CLEAR_LA: + case LPFC_HBA_READY: + /* Links up, beyond this port_type reports state */ + fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; + break; + case LPFC_HBA_ERROR: + fc_host_port_state(shost) = FC_PORTSTATE_ERROR; + break; + default: + fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; + break; + } + } + + spin_unlock_irq(shost->host_lock); +} + +static void +lpfc_get_host_speed(struct Scsi_Host *shost) +{ + struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; + + spin_lock_irq(shost->host_lock); + + if (phba->hba_state == LPFC_HBA_READY) { + switch(phba->fc_linkspeed) { + case LA_1GHZ_LINK: + fc_host_speed(shost) = FC_PORTSPEED_1GBIT; + break; + case LA_2GHZ_LINK: + fc_host_speed(shost) = FC_PORTSPEED_2GBIT; + break; + case LA_4GHZ_LINK: + fc_host_speed(shost) = FC_PORTSPEED_4GBIT; + break; + default: + fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; + break; + } + } + + spin_unlock_irq(shost->host_lock); +} + +static void +lpfc_get_host_fabric_name (struct Scsi_Host *shost) +{ + struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; + u64 nodename; + + spin_lock_irq(shost->host_lock); + + if ((phba->fc_flag & FC_FABRIC) || + ((phba->fc_topology == TOPOLOGY_LOOP) && + (phba->fc_flag & FC_PUBLIC_LOOP))) + memcpy(&nodename, &phba->fc_fabparam.nodeName, sizeof(u64)); + else + /* fabric is local port if there is no F/FL_Port */ + memcpy(&nodename, &phba->fc_nodename, sizeof(u64)); + + spin_unlock_irq(shost->host_lock); + + fc_host_fabric_name(shost) = be64_to_cpu(nodename); +} + + +static struct fc_host_statistics * +lpfc_get_stats(struct Scsi_Host *shost) +{ + struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0]; + struct lpfc_sli *psli = &phba->sli; + struct fc_host_statistics *hs = + (struct fc_host_statistics *)phba->link_stats; + LPFC_MBOXQ_t *pmboxq; + MAILBOX_t *pmb; + int rc=0; + + pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!pmboxq) + return NULL; + memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); + + pmb = &pmboxq->mb; + pmb->mbxCommand = MBX_READ_STATUS; + pmb->mbxOwner = OWN_HOST; + pmboxq->context1 = NULL; + + if ((phba->fc_flag & FC_OFFLINE_MODE) || + (!(psli->sli_flag & LPFC_SLI2_ACTIVE))){ + rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); + } else + rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); + + if (rc != MBX_SUCCESS) { + if (pmboxq) { + if (rc == MBX_TIMEOUT) + pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + else + mempool_free( pmboxq, phba->mbox_mem_pool); + } + return NULL; + } + + hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; + hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256); + hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; + hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256); + + memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); + pmb->mbxCommand = MBX_READ_LNK_STAT; + pmb->mbxOwner = OWN_HOST; + pmboxq->context1 = NULL; + + if ((phba->fc_flag & FC_OFFLINE_MODE) || + (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) { + rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); + } else + rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); + + if (rc != MBX_SUCCESS) { + if (pmboxq) { + if (rc == MBX_TIMEOUT) + pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + else + mempool_free( pmboxq, phba->mbox_mem_pool); + } + return NULL; + } + + hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; + hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; + hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; + hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; + hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; + hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; + hs->error_frames = pmb->un.varRdLnk.crcCnt; + + if (phba->fc_topology == TOPOLOGY_LOOP) { + hs->lip_count = (phba->fc_eventTag >> 1); + hs->nos_count = -1; + } else { + hs->lip_count = -1; + hs->nos_count = (phba->fc_eventTag >> 1); + } + + hs->dumped_frames = -1; + +/* FIX ME */ + /*hs->SecondsSinceLastReset = (jiffies - lpfc_loadtime) / HZ;*/ + + return hs; +} + + +/* + * The LPFC driver treats linkdown handling as target loss events so there + * are no sysfs handlers for link_down_tmo. + */ +static void +lpfc_get_starget_port_id(struct scsi_target *starget) +{ + struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); + struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0]; + uint32_t did = -1; + struct lpfc_nodelist *ndlp = NULL; + + spin_lock_irq(shost->host_lock); + /* Search the mapped list for this target ID */ + list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { + if (starget->id == ndlp->nlp_sid) { + did = ndlp->nlp_DID; + break; + } + } + spin_unlock_irq(shost->host_lock); + + fc_starget_port_id(starget) = did; +} + +static void +lpfc_get_starget_node_name(struct scsi_target *starget) +{ + struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); + struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0]; + uint64_t node_name = 0; + struct lpfc_nodelist *ndlp = NULL; + + spin_lock_irq(shost->host_lock); + /* Search the mapped list for this target ID */ + list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { + if (starget->id == ndlp->nlp_sid) { + memcpy(&node_name, &ndlp->nlp_nodename, + sizeof(struct lpfc_name)); + break; + } + } + spin_unlock_irq(shost->host_lock); + + fc_starget_node_name(starget) = be64_to_cpu(node_name); +} + +static void +lpfc_get_starget_port_name(struct scsi_target *starget) +{ + struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); + struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0]; + uint64_t port_name = 0; + struct lpfc_nodelist *ndlp = NULL; + + spin_lock_irq(shost->host_lock); + /* Search the mapped list for this target ID */ + list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { + if (starget->id == ndlp->nlp_sid) { + memcpy(&port_name, &ndlp->nlp_portname, + sizeof(struct lpfc_name)); + break; + } + } + spin_unlock_irq(shost->host_lock); + + fc_starget_port_name(starget) = be64_to_cpu(port_name); +} + +static void +lpfc_get_rport_loss_tmo(struct fc_rport *rport) +{ + /* + * Return the driver's global value for device loss timeout plus + * five seconds to allow the driver's nodev timer to run. + */ + rport->dev_loss_tmo = lpfc_nodev_tmo + 5; +} + +static void +lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) +{ + /* + * The driver doesn't have a per-target timeout setting. Set + * this value globally. lpfc_nodev_tmo should be greater then 0. + */ + if (timeout) + lpfc_nodev_tmo = timeout; + else + lpfc_nodev_tmo = 1; + rport->dev_loss_tmo = lpfc_nodev_tmo + 5; +} + + +#define lpfc_rport_show_function(field, format_string, sz, cast) \ +static ssize_t \ +lpfc_show_rport_##field (struct class_device *cdev, char *buf) \ +{ \ + struct fc_rport *rport = transport_class_to_rport(cdev); \ + struct lpfc_rport_data *rdata = rport->hostdata; \ + return snprintf(buf, sz, format_string, \ + (rdata->target) ? cast rdata->target->field : 0); \ +} + +#define lpfc_rport_rd_attr(field, format_string, sz) \ + lpfc_rport_show_function(field, format_string, sz, ) \ +static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) + + +struct fc_function_template lpfc_transport_functions = { + /* fixed attributes the driver supports */ + .show_host_node_name = 1, + .show_host_port_name = 1, + .show_host_supported_classes = 1, + .show_host_supported_fc4s = 1, + .show_host_symbolic_name = 1, + .show_host_supported_speeds = 1, + .show_host_maxframe_size = 1, + + /* dynamic attributes the driver supports */ + .get_host_port_id = lpfc_get_host_port_id, + .show_host_port_id = 1, + + .get_host_port_type = lpfc_get_host_port_type, + .show_host_port_type = 1, + + .get_host_port_state = lpfc_get_host_port_state, + .show_host_port_state = 1, + + /* active_fc4s is shown but doesn't change (thus no get function) */ + .show_host_active_fc4s = 1, + + .get_host_speed = lpfc_get_host_speed, + .show_host_speed = 1, + + .get_host_fabric_name = lpfc_get_host_fabric_name, + .show_host_fabric_name = 1, + + /* + * The LPFC driver treats linkdown handling as target loss events + * so there are no sysfs handlers for link_down_tmo. + */ + + .get_fc_host_stats = lpfc_get_stats, + + /* the LPFC driver doesn't support resetting stats yet */ + + .dd_fcrport_size = sizeof(struct lpfc_rport_data), + .show_rport_maxframe_size = 1, + .show_rport_supported_classes = 1, + + .get_rport_dev_loss_tmo = lpfc_get_rport_loss_tmo, + .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, + .show_rport_dev_loss_tmo = 1, + + .get_starget_port_id = lpfc_get_starget_port_id, + .show_starget_port_id = 1, + + .get_starget_node_name = lpfc_get_starget_node_name, + .show_starget_node_name = 1, + + .get_starget_port_name = lpfc_get_starget_port_name, + .show_starget_port_name = 1, +}; + +void +lpfc_get_cfgparam(struct lpfc_hba *phba) +{ + phba->cfg_log_verbose = lpfc_log_verbose; + phba->cfg_cr_delay = lpfc_cr_delay; + phba->cfg_cr_count = lpfc_cr_count; + phba->cfg_lun_queue_depth = lpfc_lun_queue_depth; + phba->cfg_fcp_class = lpfc_fcp_class; + phba->cfg_use_adisc = lpfc_use_adisc; + phba->cfg_ack0 = lpfc_ack0; + phba->cfg_topology = lpfc_topology; + phba->cfg_scan_down = lpfc_scan_down; + phba->cfg_nodev_tmo = lpfc_nodev_tmo; + phba->cfg_link_speed = lpfc_link_speed; + phba->cfg_fdmi_on = lpfc_fdmi_on; + phba->cfg_discovery_threads = lpfc_discovery_threads; + phba->cfg_max_luns = lpfc_max_luns; + + /* + * The total number of segments is the configuration value plus 2 + * since the IOCB need a command and response bde. + */ + phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2; + + /* + * Since the sg_tablesize is module parameter, the sg_dma_buf_size + * used to create the sg_dma_buf_pool must be dynamically calculated + */ + phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + + sizeof(struct fcp_rsp) + + (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64)); + + switch (phba->pcidev->device) { + case PCI_DEVICE_ID_LP101: + case PCI_DEVICE_ID_BSMB: + case PCI_DEVICE_ID_ZSMB: + phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH; + break; + case PCI_DEVICE_ID_RFLY: + case PCI_DEVICE_ID_PFLY: + case PCI_DEVICE_ID_BMID: + case PCI_DEVICE_ID_ZMID: + case PCI_DEVICE_ID_TFLY: + phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH; + break; + default: + phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH; + } + return; +} diff --git a/drivers/scsi/lpfc/lpfc_compat.h b/drivers/scsi/lpfc/lpfc_compat.h new file mode 100644 index 000000000000..646649fe962a --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_compat.h @@ -0,0 +1,97 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_compat.h 1.32 2005/01/25 17:51:45EST sf_support Exp $ + * + * This file provides macros to aid compilation in the Linux 2.4 kernel + * over various platform architectures. + */ + +/******************************************************************* +Note: HBA's SLI memory contains little-endian LW. +Thus to access it from a little-endian host, +memcpy_toio() and memcpy_fromio() can be used. +However on a big-endian host, copy 4 bytes at a time, +using writel() and readl(). + *******************************************************************/ + +#if __BIG_ENDIAN + +static inline void +lpfc_memcpy_to_slim(void __iomem *dest, void *src, unsigned int bytes) +{ + uint32_t __iomem *dest32; + uint32_t *src32; + unsigned int four_bytes; + + + dest32 = (uint32_t __iomem *) dest; + src32 = (uint32_t *) src; + + /* write input bytes, 4 bytes at a time */ + for (four_bytes = bytes /4; four_bytes > 0; four_bytes--) { + writel( *src32, dest32); + readl(dest32); /* flush */ + dest32++; + src32++; + } + + return; +} + +static inline void +lpfc_memcpy_from_slim( void *dest, void __iomem *src, unsigned int bytes) +{ + uint32_t *dest32; + uint32_t __iomem *src32; + unsigned int four_bytes; + + + dest32 = (uint32_t *) dest; + src32 = (uint32_t __iomem *) src; + + /* read input bytes, 4 bytes at a time */ + for (four_bytes = bytes /4; four_bytes > 0; four_bytes--) { + *dest32 = readl( src32); + dest32++; + src32++; + } + + return; +} + +#else + +static inline void +lpfc_memcpy_to_slim( void __iomem *dest, void *src, unsigned int bytes) +{ + /* actually returns 1 byte past dest */ + memcpy_toio( dest, src, bytes); +} + +static inline void +lpfc_memcpy_from_slim( void *dest, void __iomem *src, unsigned int bytes) +{ + /* actually returns 1 byte past dest */ + memcpy_fromio( dest, src, bytes); +} + +#endif /* __BIG_ENDIAN */ diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h new file mode 100644 index 000000000000..c504477a6a5d --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -0,0 +1,216 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_crtn.h 1.166 2005/04/07 08:46:47EDT sf_support Exp $ + */ + +void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t); +void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *); +int lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, + struct lpfc_dmabuf *mp); +void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *); +void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *); +int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *); +void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *); +void lpfc_set_slim(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t); +int lpfc_reg_login(struct lpfc_hba *, uint32_t, uint8_t *, LPFC_MBOXQ_t *, + uint32_t); +void lpfc_unreg_login(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *); +void lpfc_unreg_did(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *); +void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t); + + +int lpfc_linkdown(struct lpfc_hba *); +void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *); + +void lpfc_mbx_cmpl_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *); +void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); +void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); +void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); +void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); +int lpfc_nlp_plogi(struct lpfc_hba *, struct lpfc_nodelist *); +int lpfc_nlp_adisc(struct lpfc_hba *, struct lpfc_nodelist *); +int lpfc_nlp_unmapped(struct lpfc_hba *, struct lpfc_nodelist *); +int lpfc_nlp_list(struct lpfc_hba *, struct lpfc_nodelist *, int); +void lpfc_set_disctmo(struct lpfc_hba *); +int lpfc_can_disctmo(struct lpfc_hba *); +int lpfc_unreg_rpi(struct lpfc_hba *, struct lpfc_nodelist *); +int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *, + struct lpfc_iocbq *, struct lpfc_nodelist *); +int lpfc_nlp_remove(struct lpfc_hba *, struct lpfc_nodelist *); +void lpfc_nlp_init(struct lpfc_hba *, struct lpfc_nodelist *, uint32_t); +struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_hba *, uint32_t); +struct lpfc_nodelist *lpfc_setup_rscn_node(struct lpfc_hba *, uint32_t); +void lpfc_disc_list_loopmap(struct lpfc_hba *); +void lpfc_disc_start(struct lpfc_hba *); +void lpfc_disc_flush_list(struct lpfc_hba *); +void lpfc_disc_timeout(unsigned long); +void lpfc_scan_timeout(unsigned long); + +struct lpfc_nodelist *lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi); +struct lpfc_nodelist *lpfc_findnode_remove_rpi(struct lpfc_hba * phba, + uint16_t rpi); +void lpfc_addnode_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, + uint16_t rpi); + +int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t); +int lpfc_do_work(void *); +int lpfc_disc_state_machine(struct lpfc_hba *, struct lpfc_nodelist *, void *, + uint32_t); + +uint32_t lpfc_cmpl_prli_reglogin_issue(struct lpfc_hba *, + struct lpfc_nodelist *, void *, + uint32_t); +uint32_t lpfc_cmpl_plogi_prli_issue(struct lpfc_hba *, struct lpfc_nodelist *, + void *, uint32_t); + +int lpfc_check_sparm(struct lpfc_hba *, struct lpfc_nodelist *, + struct serv_parm *, uint32_t); +int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist * ndlp, + int); +int lpfc_els_abort_flogi(struct lpfc_hba *); +int lpfc_initial_flogi(struct lpfc_hba *); +int lpfc_issue_els_plogi(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t); +int lpfc_issue_els_prli(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t); +int lpfc_issue_els_adisc(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t); +int lpfc_issue_els_logo(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t); +int lpfc_issue_els_scr(struct lpfc_hba *, uint32_t, uint8_t); +int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *); +int lpfc_els_rsp_acc(struct lpfc_hba *, uint32_t, struct lpfc_iocbq *, + struct lpfc_nodelist *, LPFC_MBOXQ_t *, uint8_t); +int lpfc_els_rsp_reject(struct lpfc_hba *, uint32_t, struct lpfc_iocbq *, + struct lpfc_nodelist *); +int lpfc_els_rsp_adisc_acc(struct lpfc_hba *, struct lpfc_iocbq *, + struct lpfc_nodelist *); +int lpfc_els_rsp_prli_acc(struct lpfc_hba *, struct lpfc_iocbq *, + struct lpfc_nodelist *); +void lpfc_els_retry_delay(unsigned long); +void lpfc_els_retry_delay_handler(struct lpfc_nodelist *); +void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *, + struct lpfc_iocbq *); +int lpfc_els_handle_rscn(struct lpfc_hba *); +int lpfc_els_flush_rscn(struct lpfc_hba *); +int lpfc_rscn_payload_check(struct lpfc_hba *, uint32_t); +void lpfc_els_flush_cmd(struct lpfc_hba *); +int lpfc_els_disc_adisc(struct lpfc_hba *); +int lpfc_els_disc_plogi(struct lpfc_hba *); +void lpfc_els_timeout(unsigned long); +void lpfc_els_timeout_handler(struct lpfc_hba *); + +void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *, + struct lpfc_iocbq *); +int lpfc_ns_cmd(struct lpfc_hba *, struct lpfc_nodelist *, int); +int lpfc_fdmi_cmd(struct lpfc_hba *, struct lpfc_nodelist *, int); +void lpfc_fdmi_tmo(unsigned long); +void lpfc_fdmi_tmo_handler(struct lpfc_hba *); + +int lpfc_config_port_prep(struct lpfc_hba *); +int lpfc_config_port_post(struct lpfc_hba *); +int lpfc_hba_down_prep(struct lpfc_hba *); +void lpfc_hba_init(struct lpfc_hba *, uint32_t *); +int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int, int); +void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int); +uint8_t *lpfc_get_lpfchba_info(struct lpfc_hba *, uint8_t *); +int lpfc_fcp_abort(struct lpfc_hba *, int, int, int); +int lpfc_online(struct lpfc_hba *); +int lpfc_offline(struct lpfc_hba *); + + +int lpfc_sli_setup(struct lpfc_hba *); +int lpfc_sli_queue_setup(struct lpfc_hba *); +void lpfc_slim_access(struct lpfc_hba *); + +void lpfc_handle_eratt(struct lpfc_hba *); +void lpfc_handle_latt(struct lpfc_hba *); +irqreturn_t lpfc_intr_handler(int, void *, struct pt_regs *); + +void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *); +void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *); +void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *); +void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *); +LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *); + +int lpfc_mem_alloc(struct lpfc_hba *); +void lpfc_mem_free(struct lpfc_hba *); + +int lpfc_sli_hba_setup(struct lpfc_hba *); +int lpfc_sli_hba_down(struct lpfc_hba *); +int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); +int lpfc_sli_handle_mb_event(struct lpfc_hba *); +int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *, + struct lpfc_sli_ring *, uint32_t); +void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *); +int lpfc_sli_issue_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, + struct lpfc_iocbq *, uint32_t); +void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t); +int lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *); +int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *, + struct lpfc_dmabuf *); +struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *, + struct lpfc_sli_ring *, + dma_addr_t); +int lpfc_sli_issue_abort_iotag32(struct lpfc_hba *, struct lpfc_sli_ring *, + struct lpfc_iocbq *); +int lpfc_sli_sum_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t, + uint64_t, lpfc_ctx_cmd); +int lpfc_sli_abort_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t, + uint64_t, uint32_t, lpfc_ctx_cmd); + +void lpfc_mbox_timeout(unsigned long); +void lpfc_mbox_timeout_handler(struct lpfc_hba *); +void lpfc_map_fcp_cmnd_to_bpl(struct lpfc_hba *, struct lpfc_scsi_buf *); +void lpfc_free_scsi_cmd(struct lpfc_scsi_buf *); +uint32_t lpfc_os_timeout_transform(struct lpfc_hba *, uint32_t); + +struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, + uint32_t did); + +int lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq, + uint32_t timeout); + +int lpfc_sli_issue_iocb_wait_high_priority(struct lpfc_hba * phba, + struct lpfc_sli_ring * pring, + struct lpfc_iocbq * piocb, + uint32_t flag, + struct lpfc_iocbq * prspiocbq, + uint32_t timeout); +void lpfc_sli_wake_iocb_high_priority(struct lpfc_hba * phba, + struct lpfc_iocbq * queue1, + struct lpfc_iocbq * queue2); + +void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *); +void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t); + +/* Function prototypes. */ +const char* lpfc_info(struct Scsi_Host *); +void lpfc_get_cfgparam(struct lpfc_hba *); +int lpfc_alloc_sysfs_attr(struct lpfc_hba *); +void lpfc_free_sysfs_attr(struct lpfc_hba *); +extern struct class_device_attribute *lpfc_host_attrs[]; +extern struct scsi_host_template lpfc_template; +extern struct fc_function_template lpfc_transport_functions; + +void lpfc_get_hba_sym_node_name(struct lpfc_hba * phba, uint8_t * symbp); + +#define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code) +#define HBA_EVENT_RSCN 5 +#define HBA_EVENT_LINK_UP 2 +#define HBA_EVENT_LINK_DOWN 3 diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c new file mode 100644 index 000000000000..c40cb239c16d --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -0,0 +1,1237 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_ct.c 1.161 2005/04/13 11:59:01EDT sf_support Exp $ + * + * Fibre Channel SCSI LAN Device Driver CT support + */ + +#include +#include +#include +#include + +#include +#include + +#include "lpfc_hw.h" +#include "lpfc_sli.h" +#include "lpfc_disc.h" +#include "lpfc_scsi.h" +#include "lpfc.h" +#include "lpfc_logmsg.h" +#include "lpfc_crtn.h" +#include "lpfc_version.h" + +#define HBA_PORTSPEED_UNKNOWN 0 /* Unknown - transceiver + * incapable of reporting */ +#define HBA_PORTSPEED_1GBIT 1 /* 1 GBit/sec */ +#define HBA_PORTSPEED_2GBIT 2 /* 2 GBit/sec */ +#define HBA_PORTSPEED_4GBIT 8 /* 4 GBit/sec */ +#define HBA_PORTSPEED_8GBIT 16 /* 8 GBit/sec */ +#define HBA_PORTSPEED_10GBIT 4 /* 10 GBit/sec */ +#define HBA_PORTSPEED_NOT_NEGOTIATED 5 /* Speed not established */ + +#define FOURBYTES 4 + + +static char *lpfc_release_version = LPFC_DRIVER_VERSION; + +/* + * lpfc_ct_unsol_event + */ +void +lpfc_ct_unsol_event(struct lpfc_hba * phba, + struct lpfc_sli_ring * pring, struct lpfc_iocbq * piocbq) +{ + + struct lpfc_iocbq *next_piocbq; + struct lpfc_dmabuf *pmbuf = NULL; + struct lpfc_dmabuf *matp, *next_matp; + uint32_t ctx = 0, size = 0, cnt = 0; + IOCB_t *icmd = &piocbq->iocb; + IOCB_t *save_icmd = icmd; + int i, go_exit = 0; + struct list_head head; + + if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) && + ((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) { + /* Not enough posted buffers; Try posting more buffers */ + phba->fc_stat.NoRcvBuf++; + lpfc_post_buffer(phba, pring, 0, 1); + return; + } + + /* If there are no BDEs associated with this IOCB, + * there is nothing to do. + */ + if (icmd->ulpBdeCount == 0) + return; + + INIT_LIST_HEAD(&head); + list_add_tail(&head, &piocbq->list); + + list_for_each_entry_safe(piocbq, next_piocbq, &head, list) { + icmd = &piocbq->iocb; + if (ctx == 0) + ctx = (uint32_t) (icmd->ulpContext); + if (icmd->ulpBdeCount == 0) + continue; + + for (i = 0; i < icmd->ulpBdeCount; i++) { + matp = lpfc_sli_ringpostbuf_get(phba, pring, + getPaddr(icmd->un. + cont64[i]. + addrHigh, + icmd->un. + cont64[i]. + addrLow)); + if (!matp) { + /* Insert lpfc log message here */ + lpfc_post_buffer(phba, pring, cnt, 1); + go_exit = 1; + goto ct_unsol_event_exit_piocbq; + } + + /* Typically for Unsolicited CT requests */ + if (!pmbuf) { + pmbuf = matp; + INIT_LIST_HEAD(&pmbuf->list); + } else + list_add_tail(&matp->list, &pmbuf->list); + + size += icmd->un.cont64[i].tus.f.bdeSize; + cnt++; + } + + icmd->ulpBdeCount = 0; + } + + lpfc_post_buffer(phba, pring, cnt, 1); + if (save_icmd->ulpStatus) { + go_exit = 1; + } + +ct_unsol_event_exit_piocbq: + if (pmbuf) { + list_for_each_entry_safe(matp, next_matp, &pmbuf->list, list) { + lpfc_mbuf_free(phba, matp->virt, matp->phys); + list_del(&matp->list); + kfree(matp); + } + lpfc_mbuf_free(phba, pmbuf->virt, pmbuf->phys); + kfree(pmbuf); + } + return; +} + +static void +lpfc_free_ct_rsp(struct lpfc_hba * phba, struct lpfc_dmabuf * mlist) +{ + struct lpfc_dmabuf *mlast, *next_mlast; + + list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) { + lpfc_mbuf_free(phba, mlast->virt, mlast->phys); + list_del(&mlast->list); + kfree(mlast); + } + lpfc_mbuf_free(phba, mlist->virt, mlist->phys); + kfree(mlist); + return; +} + +static struct lpfc_dmabuf * +lpfc_alloc_ct_rsp(struct lpfc_hba * phba, int cmdcode, struct ulp_bde64 * bpl, + uint32_t size, int *entries) +{ + struct lpfc_dmabuf *mlist = NULL; + struct lpfc_dmabuf *mp; + int cnt, i = 0; + + /* We get chucks of FCELSSIZE */ + cnt = size > FCELSSIZE ? FCELSSIZE: size; + + while (size) { + /* Allocate buffer for rsp payload */ + mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); + if (!mp) { + if (mlist) + lpfc_free_ct_rsp(phba, mlist); + return NULL; + } + + INIT_LIST_HEAD(&mp->list); + + if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT)) + mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys)); + else + mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys)); + + if (!mp->virt) { + kfree(mp); + lpfc_free_ct_rsp(phba, mlist); + return NULL; + } + + /* Queue it to a linked list */ + if (!mlist) + mlist = mp; + else + list_add_tail(&mp->list, &mlist->list); + + bpl->tus.f.bdeFlags = BUFF_USE_RCV; + /* build buffer ptr list for IOCB */ + bpl->addrLow = le32_to_cpu( putPaddrLow(mp->phys) ); + bpl->addrHigh = le32_to_cpu( putPaddrHigh(mp->phys) ); + bpl->tus.f.bdeSize = (uint16_t) cnt; + bpl->tus.w = le32_to_cpu(bpl->tus.w); + bpl++; + + i++; + size -= cnt; + } + + *entries = i; + return mlist; +} + +static int +lpfc_gen_req(struct lpfc_hba *phba, struct lpfc_dmabuf *bmp, + struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp, + void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, + struct lpfc_iocbq *), + struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry, + uint32_t tmo) +{ + + struct lpfc_sli *psli = &phba->sli; + struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; + struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; + IOCB_t *icmd; + struct lpfc_iocbq *geniocb = NULL; + + /* Allocate buffer for command iocb */ + spin_lock_irq(phba->host->host_lock); + list_remove_head(lpfc_iocb_list, geniocb, struct lpfc_iocbq, list); + spin_unlock_irq(phba->host->host_lock); + + if (geniocb == NULL) + return 1; + memset(geniocb, 0, sizeof (struct lpfc_iocbq)); + + icmd = &geniocb->iocb; + icmd->un.genreq64.bdl.ulpIoTag32 = 0; + icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys); + icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys); + icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BDL; + icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64)); + + if (usr_flg) + geniocb->context3 = NULL; + else + geniocb->context3 = (uint8_t *) bmp; + + /* Save for completion so we can release these resources */ + geniocb->context1 = (uint8_t *) inp; + geniocb->context2 = (uint8_t *) outp; + + /* Fill in payload, bp points to frame payload */ + icmd->ulpCommand = CMD_GEN_REQUEST64_CR; + + /* Fill in rest of iocb */ + icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA); + icmd->un.genreq64.w5.hcsw.Dfctl = 0; + icmd->un.genreq64.w5.hcsw.Rctl = FC_UNSOL_CTL; + icmd->un.genreq64.w5.hcsw.Type = FC_COMMON_TRANSPORT_ULP; + + if (!tmo) + tmo = (2 * phba->fc_ratov) + 1; + icmd->ulpTimeout = tmo; + icmd->ulpBdeCount = 1; + icmd->ulpLe = 1; + icmd->ulpClass = CLASS3; + icmd->ulpContext = ndlp->nlp_rpi; + + /* Issue GEN REQ IOCB for NPORT */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0119 Issue GEN REQ IOCB for NPORT x%x " + "Data: x%x x%x\n", phba->brd_no, icmd->un.ulpWord[5], + icmd->ulpIoTag, phba->hba_state); + geniocb->iocb_cmpl = cmpl; + geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT; + spin_lock_irq(phba->host->host_lock); + if (lpfc_sli_issue_iocb(phba, pring, geniocb, 0) == IOCB_ERROR) { + list_add_tail(&geniocb->list, lpfc_iocb_list); + spin_unlock_irq(phba->host->host_lock); + return 1; + } + spin_unlock_irq(phba->host->host_lock); + + return 0; +} + +static int +lpfc_ct_cmd(struct lpfc_hba *phba, struct lpfc_dmabuf *inmp, + struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp, + void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, + struct lpfc_iocbq *), + uint32_t rsp_size) +{ + struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt; + struct lpfc_dmabuf *outmp; + int cnt = 0, status; + int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)-> + CommandResponse.bits.CmdRsp; + + bpl++; /* Skip past ct request */ + + /* Put buffer(s) for ct rsp in bpl */ + outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt); + if (!outmp) + return -ENOMEM; + + status = lpfc_gen_req(phba, bmp, inmp, outmp, cmpl, ndlp, 0, + cnt+1, 0); + if (status) { + lpfc_free_ct_rsp(phba, outmp); + return -ENOMEM; + } + return 0; +} + +static int +lpfc_ns_rsp(struct lpfc_hba * phba, struct lpfc_dmabuf * mp, uint32_t Size) +{ + struct lpfc_sli_ct_request *Response = + (struct lpfc_sli_ct_request *) mp->virt; + struct lpfc_nodelist *ndlp = NULL; + struct lpfc_dmabuf *mlast, *next_mp; + uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType; + uint32_t Did; + uint32_t CTentry; + int Cnt; + struct list_head head; + + lpfc_set_disctmo(phba); + + Cnt = Size > FCELSSIZE ? FCELSSIZE : Size; + + list_add_tail(&head, &mp->list); + list_for_each_entry_safe(mp, next_mp, &head, list) { + mlast = mp; + + Size -= Cnt; + + if (!ctptr) + ctptr = (uint32_t *) mlast->virt; + else + Cnt -= 16; /* subtract length of CT header */ + + /* Loop through entire NameServer list of DIDs */ + while (Cnt) { + + /* Get next DID from NameServer List */ + CTentry = *ctptr++; + Did = ((be32_to_cpu(CTentry)) & Mask_DID); + + ndlp = NULL; + if (Did != phba->fc_myDID) { + /* Check for rscn processing or not */ + ndlp = lpfc_setup_disc_node(phba, Did); + } + /* Mark all node table entries that are in the + Nameserver */ + if (ndlp) { + /* NameServer Rsp */ + lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, + "%d:0238 Process x%x NameServer" + " Rsp Data: x%x x%x x%x\n", + phba->brd_no, + Did, ndlp->nlp_flag, + phba->fc_flag, + phba->fc_rscn_id_cnt); + } else { + /* NameServer Rsp */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_DISCOVERY, + "%d:0239 Skip x%x NameServer " + "Rsp Data: x%x x%x x%x\n", + phba->brd_no, + Did, Size, phba->fc_flag, + phba->fc_rscn_id_cnt); + } + + if (CTentry & (be32_to_cpu(SLI_CT_LAST_ENTRY))) + goto nsout1; + Cnt -= sizeof (uint32_t); + } + ctptr = NULL; + + } + +nsout1: + list_del(&head); + + /* Here we are finished in the case RSCN */ + if (phba->hba_state == LPFC_HBA_READY) { + lpfc_els_flush_rscn(phba); + spin_lock_irq(phba->host->host_lock); + phba->fc_flag |= FC_RSCN_MODE; /* we are still in RSCN mode */ + spin_unlock_irq(phba->host->host_lock); + } + return 0; +} + + + + +static void +lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_iocbq * rspiocb) +{ + IOCB_t *irsp; + struct lpfc_sli *psli; + struct lpfc_dmabuf *bmp; + struct lpfc_dmabuf *inp; + struct lpfc_dmabuf *outp; + struct lpfc_nodelist *ndlp; + struct lpfc_sli_ct_request *CTrsp; + + psli = &phba->sli; + /* we pass cmdiocb to state machine which needs rspiocb as well */ + cmdiocb->context_un.rsp_iocb = rspiocb; + + inp = (struct lpfc_dmabuf *) cmdiocb->context1; + outp = (struct lpfc_dmabuf *) cmdiocb->context2; + bmp = (struct lpfc_dmabuf *) cmdiocb->context3; + + irsp = &rspiocb->iocb; + if (irsp->ulpStatus) { + if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && + ((irsp->un.ulpWord[4] == IOERR_SLI_DOWN) || + (irsp->un.ulpWord[4] == IOERR_SLI_ABORTED))) { + goto out; + } + + /* Check for retry */ + if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) { + phba->fc_ns_retry++; + /* CT command is being retried */ + ndlp = + lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, + NameServer_DID); + if (ndlp) { + if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT) == + 0) { + goto out; + } + } + } + } else { + /* Good status, continue checking */ + CTrsp = (struct lpfc_sli_ct_request *) outp->virt; + if (CTrsp->CommandResponse.bits.CmdRsp == + be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) { + lpfc_ns_rsp(phba, outp, + (uint32_t) (irsp->un.genreq64.bdl.bdeSize)); + } else if (CTrsp->CommandResponse.bits.CmdRsp == + be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) { + /* NameServer Rsp Error */ + lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, + "%d:0240 NameServer Rsp Error " + "Data: x%x x%x x%x x%x\n", + phba->brd_no, + CTrsp->CommandResponse.bits.CmdRsp, + (uint32_t) CTrsp->ReasonCode, + (uint32_t) CTrsp->Explanation, + phba->fc_flag); + } else { + /* NameServer Rsp Error */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_DISCOVERY, + "%d:0241 NameServer Rsp Error " + "Data: x%x x%x x%x x%x\n", + phba->brd_no, + CTrsp->CommandResponse.bits.CmdRsp, + (uint32_t) CTrsp->ReasonCode, + (uint32_t) CTrsp->Explanation, + phba->fc_flag); + } + } + /* Link up / RSCN discovery */ + lpfc_disc_start(phba); +out: + lpfc_free_ct_rsp(phba, outp); + lpfc_mbuf_free(phba, inp->virt, inp->phys); + lpfc_mbuf_free(phba, bmp->virt, bmp->phys); + kfree(inp); + kfree(bmp); + spin_lock_irq(phba->host->host_lock); + list_add_tail(&cmdiocb->list, &phba->lpfc_iocb_list); + spin_unlock_irq(phba->host->host_lock); + return; +} + +static void +lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_iocbq * rspiocb) +{ + struct lpfc_sli *psli; + struct lpfc_dmabuf *bmp; + struct lpfc_dmabuf *inp; + struct lpfc_dmabuf *outp; + IOCB_t *irsp; + struct lpfc_sli_ct_request *CTrsp; + + psli = &phba->sli; + /* we pass cmdiocb to state machine which needs rspiocb as well */ + cmdiocb->context_un.rsp_iocb = rspiocb; + + inp = (struct lpfc_dmabuf *) cmdiocb->context1; + outp = (struct lpfc_dmabuf *) cmdiocb->context2; + bmp = (struct lpfc_dmabuf *) cmdiocb->context3; + irsp = &rspiocb->iocb; + + CTrsp = (struct lpfc_sli_ct_request *) outp->virt; + + /* RFT request completes status CmdRsp */ + lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, + "%d:0209 RFT request completes ulpStatus x%x " + "CmdRsp x%x\n", phba->brd_no, irsp->ulpStatus, + CTrsp->CommandResponse.bits.CmdRsp); + + lpfc_free_ct_rsp(phba, outp); + lpfc_mbuf_free(phba, inp->virt, inp->phys); + lpfc_mbuf_free(phba, bmp->virt, bmp->phys); + kfree(inp); + kfree(bmp); + spin_lock_irq(phba->host->host_lock); + list_add_tail(&cmdiocb->list, &phba->lpfc_iocb_list); + spin_unlock_irq(phba->host->host_lock); + return; +} + +static void +lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_iocbq * rspiocb) +{ + lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb); + return; +} + +static void +lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_iocbq * rspiocb) +{ + lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb); + return; +} + +void +lpfc_get_hba_sym_node_name(struct lpfc_hba * phba, uint8_t * symbp) +{ + char fwrev[16]; + + lpfc_decode_firmware_rev(phba, fwrev, 0); + + if (phba->Port[0]) { + sprintf(symbp, "Emulex %s Port %s FV%s DV%s", phba->ModelName, + phba->Port, fwrev, lpfc_release_version); + } else { + sprintf(symbp, "Emulex %s FV%s DV%s", phba->ModelName, + fwrev, lpfc_release_version); + } +} + +/* + * lpfc_ns_cmd + * Description: + * Issue Cmd to NameServer + * SLI_CTNS_GID_FT + * LI_CTNS_RFT_ID + */ +int +lpfc_ns_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode) +{ + struct lpfc_dmabuf *mp, *bmp; + struct lpfc_sli_ct_request *CtReq; + struct ulp_bde64 *bpl; + void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, + struct lpfc_iocbq *) = NULL; + uint32_t rsp_size = 1024; + + /* fill in BDEs for command */ + /* Allocate buffer for command payload */ + mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); + if (!mp) + goto ns_cmd_exit; + + INIT_LIST_HEAD(&mp->list); + mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys)); + if (!mp->virt) + goto ns_cmd_free_mp; + + /* Allocate buffer for Buffer ptr list */ + bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); + if (!bmp) + goto ns_cmd_free_mpvirt; + + INIT_LIST_HEAD(&bmp->list); + bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys)); + if (!bmp->virt) + goto ns_cmd_free_bmp; + + /* NameServer Req */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_DISCOVERY, + "%d:0236 NameServer Req Data: x%x x%x x%x\n", + phba->brd_no, cmdcode, phba->fc_flag, + phba->fc_rscn_id_cnt); + + bpl = (struct ulp_bde64 *) bmp->virt; + memset(bpl, 0, sizeof(struct ulp_bde64)); + bpl->addrHigh = le32_to_cpu( putPaddrHigh(mp->phys) ); + bpl->addrLow = le32_to_cpu( putPaddrLow(mp->phys) ); + bpl->tus.f.bdeFlags = 0; + if (cmdcode == SLI_CTNS_GID_FT) + bpl->tus.f.bdeSize = GID_REQUEST_SZ; + else if (cmdcode == SLI_CTNS_RFT_ID) + bpl->tus.f.bdeSize = RFT_REQUEST_SZ; + else if (cmdcode == SLI_CTNS_RNN_ID) + bpl->tus.f.bdeSize = RNN_REQUEST_SZ; + else if (cmdcode == SLI_CTNS_RSNN_NN) + bpl->tus.f.bdeSize = RSNN_REQUEST_SZ; + else + bpl->tus.f.bdeSize = 0; + bpl->tus.w = le32_to_cpu(bpl->tus.w); + + CtReq = (struct lpfc_sli_ct_request *) mp->virt; + memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request)); + CtReq->RevisionId.bits.Revision = SLI_CT_REVISION; + CtReq->RevisionId.bits.InId = 0; + CtReq->FsType = SLI_CT_DIRECTORY_SERVICE; + CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER; + CtReq->CommandResponse.bits.Size = 0; + switch (cmdcode) { + case SLI_CTNS_GID_FT: + CtReq->CommandResponse.bits.CmdRsp = + be16_to_cpu(SLI_CTNS_GID_FT); + CtReq->un.gid.Fc4Type = SLI_CTPT_FCP; + if (phba->hba_state < LPFC_HBA_READY) + phba->hba_state = LPFC_NS_QRY; + lpfc_set_disctmo(phba); + cmpl = lpfc_cmpl_ct_cmd_gid_ft; + rsp_size = FC_MAX_NS_RSP; + break; + + case SLI_CTNS_RFT_ID: + CtReq->CommandResponse.bits.CmdRsp = + be16_to_cpu(SLI_CTNS_RFT_ID); + CtReq->un.rft.PortId = be32_to_cpu(phba->fc_myDID); + CtReq->un.rft.fcpReg = 1; + cmpl = lpfc_cmpl_ct_cmd_rft_id; + break; + + case SLI_CTNS_RNN_ID: + CtReq->CommandResponse.bits.CmdRsp = + be16_to_cpu(SLI_CTNS_RNN_ID); + CtReq->un.rnn.PortId = be32_to_cpu(phba->fc_myDID); + memcpy(CtReq->un.rnn.wwnn, &phba->fc_nodename, + sizeof (struct lpfc_name)); + cmpl = lpfc_cmpl_ct_cmd_rnn_id; + break; + + case SLI_CTNS_RSNN_NN: + CtReq->CommandResponse.bits.CmdRsp = + be16_to_cpu(SLI_CTNS_RSNN_NN); + memcpy(CtReq->un.rsnn.wwnn, &phba->fc_nodename, + sizeof (struct lpfc_name)); + lpfc_get_hba_sym_node_name(phba, CtReq->un.rsnn.symbname); + CtReq->un.rsnn.len = strlen(CtReq->un.rsnn.symbname); + cmpl = lpfc_cmpl_ct_cmd_rsnn_nn; + break; + } + + if (!lpfc_ct_cmd(phba, mp, bmp, ndlp, cmpl, rsp_size)) + /* On success, The cmpl function will free the buffers */ + return 0; + + lpfc_mbuf_free(phba, bmp->virt, bmp->phys); +ns_cmd_free_bmp: + kfree(bmp); +ns_cmd_free_mpvirt: + lpfc_mbuf_free(phba, mp->virt, mp->phys); +ns_cmd_free_mp: + kfree(mp); +ns_cmd_exit: + return 1; +} + +static void +lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba * phba, + struct lpfc_iocbq * cmdiocb, struct lpfc_iocbq * rspiocb) +{ + struct lpfc_dmabuf *bmp = cmdiocb->context3; + struct lpfc_dmabuf *inp = cmdiocb->context1; + struct lpfc_dmabuf *outp = cmdiocb->context2; + struct lpfc_sli_ct_request *CTrsp = outp->virt; + struct lpfc_sli_ct_request *CTcmd = inp->virt; + struct lpfc_nodelist *ndlp; + uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp; + uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp; + + ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, FDMI_DID); + if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) { + /* FDMI rsp failed */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_DISCOVERY, + "%d:0220 FDMI rsp failed Data: x%x\n", + phba->brd_no, + be16_to_cpu(fdmi_cmd)); + } + + switch (be16_to_cpu(fdmi_cmd)) { + case SLI_MGMT_RHBA: + lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_RPA); + break; + + case SLI_MGMT_RPA: + break; + + case SLI_MGMT_DHBA: + lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DPRT); + break; + + case SLI_MGMT_DPRT: + lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_RHBA); + break; + } + + lpfc_free_ct_rsp(phba, outp); + lpfc_mbuf_free(phba, inp->virt, inp->phys); + lpfc_mbuf_free(phba, bmp->virt, bmp->phys); + kfree(inp); + kfree(bmp); + spin_lock_irq(phba->host->host_lock); + list_add_tail(&cmdiocb->list, &phba->lpfc_iocb_list); + spin_unlock_irq(phba->host->host_lock); + return; +} +int +lpfc_fdmi_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode) +{ + struct lpfc_dmabuf *mp, *bmp; + struct lpfc_sli_ct_request *CtReq; + struct ulp_bde64 *bpl; + uint32_t size; + REG_HBA *rh; + PORT_ENTRY *pe; + REG_PORT_ATTRIBUTE *pab; + ATTRIBUTE_BLOCK *ab; + ATTRIBUTE_ENTRY *ae; + void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, + struct lpfc_iocbq *); + + + /* fill in BDEs for command */ + /* Allocate buffer for command payload */ + mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); + if (!mp) + goto fdmi_cmd_exit; + + mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys)); + if (!mp->virt) + goto fdmi_cmd_free_mp; + + /* Allocate buffer for Buffer ptr list */ + bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); + if (!bmp) + goto fdmi_cmd_free_mpvirt; + + bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys)); + if (!bmp->virt) + goto fdmi_cmd_free_bmp; + + INIT_LIST_HEAD(&mp->list); + INIT_LIST_HEAD(&bmp->list); + + /* FDMI request */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_DISCOVERY, + "%d:0218 FDMI Request Data: x%x x%x x%x\n", + phba->brd_no, + phba->fc_flag, phba->hba_state, cmdcode); + + CtReq = (struct lpfc_sli_ct_request *) mp->virt; + + memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request)); + CtReq->RevisionId.bits.Revision = SLI_CT_REVISION; + CtReq->RevisionId.bits.InId = 0; + + CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE; + CtReq->FsSubType = SLI_CT_FDMI_Subtypes; + size = 0; + + switch (cmdcode) { + case SLI_MGMT_RHBA: + { + lpfc_vpd_t *vp = &phba->vpd; + uint32_t i, j, incr; + int len; + + CtReq->CommandResponse.bits.CmdRsp = + be16_to_cpu(SLI_MGMT_RHBA); + CtReq->CommandResponse.bits.Size = 0; + rh = (REG_HBA *) & CtReq->un.PortID; + memcpy(&rh->hi.PortName, &phba->fc_sparam.portName, + sizeof (struct lpfc_name)); + /* One entry (port) per adapter */ + rh->rpl.EntryCnt = be32_to_cpu(1); + memcpy(&rh->rpl.pe, &phba->fc_sparam.portName, + sizeof (struct lpfc_name)); + + /* point to the HBA attribute block */ + size = 2 * sizeof (struct lpfc_name) + FOURBYTES; + ab = (ATTRIBUTE_BLOCK *) ((uint8_t *) rh + size); + ab->EntryCnt = 0; + + /* Point to the beginning of the first HBA attribute + entry */ + /* #1 HBA attribute entry */ + size += FOURBYTES; + ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); + ae->ad.bits.AttrType = be16_to_cpu(NODE_NAME); + ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + + sizeof (struct lpfc_name)); + memcpy(&ae->un.NodeName, &phba->fc_sparam.nodeName, + sizeof (struct lpfc_name)); + ab->EntryCnt++; + size += FOURBYTES + sizeof (struct lpfc_name); + + /* #2 HBA attribute entry */ + ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); + ae->ad.bits.AttrType = be16_to_cpu(MANUFACTURER); + strcpy(ae->un.Manufacturer, "Emulex Corporation"); + len = strlen(ae->un.Manufacturer); + len += (len & 3) ? (4 - (len & 3)) : 4; + ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); + ab->EntryCnt++; + size += FOURBYTES + len; + + /* #3 HBA attribute entry */ + ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); + ae->ad.bits.AttrType = be16_to_cpu(SERIAL_NUMBER); + strcpy(ae->un.SerialNumber, phba->SerialNumber); + len = strlen(ae->un.SerialNumber); + len += (len & 3) ? (4 - (len & 3)) : 4; + ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); + ab->EntryCnt++; + size += FOURBYTES + len; + + /* #4 HBA attribute entry */ + ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); + ae->ad.bits.AttrType = be16_to_cpu(MODEL); + strcpy(ae->un.Model, phba->ModelName); + len = strlen(ae->un.Model); + len += (len & 3) ? (4 - (len & 3)) : 4; + ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); + ab->EntryCnt++; + size += FOURBYTES + len; + + /* #5 HBA attribute entry */ + ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); + ae->ad.bits.AttrType = be16_to_cpu(MODEL_DESCRIPTION); + strcpy(ae->un.ModelDescription, phba->ModelDesc); + len = strlen(ae->un.ModelDescription); + len += (len & 3) ? (4 - (len & 3)) : 4; + ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); + ab->EntryCnt++; + size += FOURBYTES + len; + + /* #6 HBA attribute entry */ + ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); + ae->ad.bits.AttrType = be16_to_cpu(HARDWARE_VERSION); + ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 8); + /* Convert JEDEC ID to ascii for hardware version */ + incr = vp->rev.biuRev; + for (i = 0; i < 8; i++) { + j = (incr & 0xf); + if (j <= 9) + ae->un.HardwareVersion[7 - i] = + (char)((uint8_t) 0x30 + + (uint8_t) j); + else + ae->un.HardwareVersion[7 - i] = + (char)((uint8_t) 0x61 + + (uint8_t) (j - 10)); + incr = (incr >> 4); + } + ab->EntryCnt++; + size += FOURBYTES + 8; + + /* #7 HBA attribute entry */ + ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); + ae->ad.bits.AttrType = be16_to_cpu(DRIVER_VERSION); + strcpy(ae->un.DriverVersion, lpfc_release_version); + len = strlen(ae->un.DriverVersion); + len += (len & 3) ? (4 - (len & 3)) : 4; + ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); + ab->EntryCnt++; + size += FOURBYTES + len; + + /* #8 HBA attribute entry */ + ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); + ae->ad.bits.AttrType = be16_to_cpu(OPTION_ROM_VERSION); + strcpy(ae->un.OptionROMVersion, phba->OptionROMVersion); + len = strlen(ae->un.OptionROMVersion); + len += (len & 3) ? (4 - (len & 3)) : 4; + ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); + ab->EntryCnt++; + size += FOURBYTES + len; + + /* #9 HBA attribute entry */ + ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); + ae->ad.bits.AttrType = be16_to_cpu(FIRMWARE_VERSION); + lpfc_decode_firmware_rev(phba, ae->un.FirmwareVersion, + 1); + len = strlen(ae->un.FirmwareVersion); + len += (len & 3) ? (4 - (len & 3)) : 4; + ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); + ab->EntryCnt++; + size += FOURBYTES + len; + + /* #10 HBA attribute entry */ + ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); + ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION); + sprintf(ae->un.OsNameVersion, "%s %s %s", + system_utsname.sysname, system_utsname.release, + system_utsname.version); + len = strlen(ae->un.OsNameVersion); + len += (len & 3) ? (4 - (len & 3)) : 4; + ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); + ab->EntryCnt++; + size += FOURBYTES + len; + + /* #11 HBA attribute entry */ + ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); + ae->ad.bits.AttrType = be16_to_cpu(MAX_CT_PAYLOAD_LEN); + ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4); + ae->un.MaxCTPayloadLen = (65 * 4096); + ab->EntryCnt++; + size += FOURBYTES + 4; + + ab->EntryCnt = be32_to_cpu(ab->EntryCnt); + /* Total size */ + size = GID_REQUEST_SZ - 4 + size; + } + break; + + case SLI_MGMT_RPA: + { + lpfc_vpd_t *vp; + struct serv_parm *hsp; + int len; + + vp = &phba->vpd; + + CtReq->CommandResponse.bits.CmdRsp = + be16_to_cpu(SLI_MGMT_RPA); + CtReq->CommandResponse.bits.Size = 0; + pab = (REG_PORT_ATTRIBUTE *) & CtReq->un.PortID; + size = sizeof (struct lpfc_name) + FOURBYTES; + memcpy((uint8_t *) & pab->PortName, + (uint8_t *) & phba->fc_sparam.portName, + sizeof (struct lpfc_name)); + pab->ab.EntryCnt = 0; + + /* #1 Port attribute entry */ + ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size); + ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_FC4_TYPES); + ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 32); + ae->un.SupportFC4Types[2] = 1; + ae->un.SupportFC4Types[7] = 1; + pab->ab.EntryCnt++; + size += FOURBYTES + 32; + + /* #2 Port attribute entry */ + ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size); + ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_SPEED); + ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4); + if (FC_JEDEC_ID(vp->rev.biuRev) == VIPER_JEDEC_ID) + ae->un.SupportSpeed = HBA_PORTSPEED_10GBIT; + else if (FC_JEDEC_ID(vp->rev.biuRev) == HELIOS_JEDEC_ID) + ae->un.SupportSpeed = HBA_PORTSPEED_4GBIT; + else if ((FC_JEDEC_ID(vp->rev.biuRev) == + CENTAUR_2G_JEDEC_ID) + || (FC_JEDEC_ID(vp->rev.biuRev) == + PEGASUS_JEDEC_ID) + || (FC_JEDEC_ID(vp->rev.biuRev) == + THOR_JEDEC_ID)) + ae->un.SupportSpeed = HBA_PORTSPEED_2GBIT; + else + ae->un.SupportSpeed = HBA_PORTSPEED_1GBIT; + pab->ab.EntryCnt++; + size += FOURBYTES + 4; + + /* #3 Port attribute entry */ + ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size); + ae->ad.bits.AttrType = be16_to_cpu(PORT_SPEED); + ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4); + switch(phba->fc_linkspeed) { + case LA_1GHZ_LINK: + ae->un.PortSpeed = HBA_PORTSPEED_1GBIT; + break; + case LA_2GHZ_LINK: + ae->un.PortSpeed = HBA_PORTSPEED_2GBIT; + break; + case LA_4GHZ_LINK: + ae->un.PortSpeed = HBA_PORTSPEED_4GBIT; + break; + default: + ae->un.PortSpeed = + HBA_PORTSPEED_UNKNOWN; + break; + } + pab->ab.EntryCnt++; + size += FOURBYTES + 4; + + /* #4 Port attribute entry */ + ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size); + ae->ad.bits.AttrType = be16_to_cpu(MAX_FRAME_SIZE); + ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4); + hsp = (struct serv_parm *) & phba->fc_sparam; + ae->un.MaxFrameSize = + (((uint32_t) hsp->cmn. + bbRcvSizeMsb) << 8) | (uint32_t) hsp->cmn. + bbRcvSizeLsb; + pab->ab.EntryCnt++; + size += FOURBYTES + 4; + + /* #5 Port attribute entry */ + ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size); + ae->ad.bits.AttrType = be16_to_cpu(OS_DEVICE_NAME); + strcpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME); + len = strlen((char *)ae->un.OsDeviceName); + len += (len & 3) ? (4 - (len & 3)) : 4; + ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); + pab->ab.EntryCnt++; + size += FOURBYTES + len; + + if (phba->cfg_fdmi_on == 2) { + /* #6 Port attribute entry */ + ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + + size); + ae->ad.bits.AttrType = be16_to_cpu(HOST_NAME); + sprintf(ae->un.HostName, "%s", + system_utsname.nodename); + len = strlen(ae->un.HostName); + len += (len & 3) ? (4 - (len & 3)) : 4; + ae->ad.bits.AttrLen = + be16_to_cpu(FOURBYTES + len); + pab->ab.EntryCnt++; + size += FOURBYTES + len; + } + + pab->ab.EntryCnt = be32_to_cpu(pab->ab.EntryCnt); + /* Total size */ + size = GID_REQUEST_SZ - 4 + size; + } + break; + + case SLI_MGMT_DHBA: + CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DHBA); + CtReq->CommandResponse.bits.Size = 0; + pe = (PORT_ENTRY *) & CtReq->un.PortID; + memcpy((uint8_t *) & pe->PortName, + (uint8_t *) & phba->fc_sparam.portName, + sizeof (struct lpfc_name)); + size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name); + break; + + case SLI_MGMT_DPRT: + CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DPRT); + CtReq->CommandResponse.bits.Size = 0; + pe = (PORT_ENTRY *) & CtReq->un.PortID; + memcpy((uint8_t *) & pe->PortName, + (uint8_t *) & phba->fc_sparam.portName, + sizeof (struct lpfc_name)); + size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name); + break; + } + + bpl = (struct ulp_bde64 *) bmp->virt; + bpl->addrHigh = le32_to_cpu( putPaddrHigh(mp->phys) ); + bpl->addrLow = le32_to_cpu( putPaddrLow(mp->phys) ); + bpl->tus.f.bdeFlags = 0; + bpl->tus.f.bdeSize = size; + bpl->tus.w = le32_to_cpu(bpl->tus.w); + + cmpl = lpfc_cmpl_ct_cmd_fdmi; + + if (!lpfc_ct_cmd(phba, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP)) + return 0; + + lpfc_mbuf_free(phba, bmp->virt, bmp->phys); +fdmi_cmd_free_bmp: + kfree(bmp); +fdmi_cmd_free_mpvirt: + lpfc_mbuf_free(phba, mp->virt, mp->phys); +fdmi_cmd_free_mp: + kfree(mp); +fdmi_cmd_exit: + /* Issue FDMI request failed */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_DISCOVERY, + "%d:0244 Issue FDMI request failed Data: x%x\n", + phba->brd_no, + cmdcode); + return 1; +} + +void +lpfc_fdmi_tmo(unsigned long ptr) +{ + struct lpfc_hba *phba = (struct lpfc_hba *)ptr; + unsigned long iflag; + + spin_lock_irqsave(phba->host->host_lock, iflag); + if (!(phba->work_hba_events & WORKER_FDMI_TMO)) { + phba->work_hba_events |= WORKER_FDMI_TMO; + if (phba->work_wait) + wake_up(phba->work_wait); + } + spin_unlock_irqrestore(phba->host->host_lock,iflag); +} + +void +lpfc_fdmi_tmo_handler(struct lpfc_hba *phba) +{ + struct lpfc_nodelist *ndlp; + + spin_lock_irq(phba->host->host_lock); + if (!(phba->work_hba_events & WORKER_FDMI_TMO)) { + spin_unlock_irq(phba->host->host_lock); + return; + } + ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, FDMI_DID); + if (ndlp) { + if (system_utsname.nodename[0] != '\0') { + lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA); + } else { + mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60); + } + } + spin_unlock_irq(phba->host->host_lock); + return; +} + + +void +lpfc_decode_firmware_rev(struct lpfc_hba * phba, char *fwrevision, int flag) +{ + struct lpfc_sli *psli = &phba->sli; + lpfc_vpd_t *vp = &phba->vpd; + uint32_t b1, b2, b3, b4, i, rev; + char c; + uint32_t *ptr, str[4]; + uint8_t *fwname; + + if (vp->rev.rBit) { + if (psli->sli_flag & LPFC_SLI2_ACTIVE) + rev = vp->rev.sli2FwRev; + else + rev = vp->rev.sli1FwRev; + + b1 = (rev & 0x0000f000) >> 12; + b2 = (rev & 0x00000f00) >> 8; + b3 = (rev & 0x000000c0) >> 6; + b4 = (rev & 0x00000030) >> 4; + + switch (b4) { + case 0: + c = 'N'; + break; + case 1: + c = 'A'; + break; + case 2: + c = 'B'; + break; + default: + c = 0; + break; + } + b4 = (rev & 0x0000000f); + + if (psli->sli_flag & LPFC_SLI2_ACTIVE) + fwname = vp->rev.sli2FwName; + else + fwname = vp->rev.sli1FwName; + + for (i = 0; i < 16; i++) + if (fwname[i] == 0x20) + fwname[i] = 0; + + ptr = (uint32_t*)fwname; + + for (i = 0; i < 3; i++) + str[i] = be32_to_cpu(*ptr++); + + if (c == 0) { + if (flag) + sprintf(fwrevision, "%d.%d%d (%s)", + b1, b2, b3, (char *)str); + else + sprintf(fwrevision, "%d.%d%d", b1, + b2, b3); + } else { + if (flag) + sprintf(fwrevision, "%d.%d%d%c%d (%s)", + b1, b2, b3, c, + b4, (char *)str); + else + sprintf(fwrevision, "%d.%d%d%c%d", + b1, b2, b3, c, b4); + } + } else { + rev = vp->rev.smFwRev; + + b1 = (rev & 0xff000000) >> 24; + b2 = (rev & 0x00f00000) >> 20; + b3 = (rev & 0x000f0000) >> 16; + c = (rev & 0x0000ff00) >> 8; + b4 = (rev & 0x000000ff); + + if (flag) + sprintf(fwrevision, "%d.%d%d%c%d ", b1, + b2, b3, c, b4); + else + sprintf(fwrevision, "%d.%d%d%c%d ", b1, + b2, b3, c, b4); + } + return; +} diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h new file mode 100644 index 000000000000..adccc99510d5 --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_disc.h @@ -0,0 +1,206 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_disc.h 1.61 2005/04/07 08:46:52EDT sf_support Exp $ + */ + +#define FC_MAX_HOLD_RSCN 32 /* max number of deferred RSCNs */ +#define FC_MAX_NS_RSP 65536 /* max size NameServer rsp */ +#define FC_MAXLOOP 126 /* max devices supported on a fc loop */ +#define LPFC_DISC_FLOGI_TMO 10 /* Discovery FLOGI ratov */ + + +/* This is the protocol dependent definition for a Node List Entry. + * This is used by Fibre Channel protocol to support FCP. + */ + +/* structure used to queue event to the discovery tasklet */ +struct lpfc_work_evt { + struct list_head evt_listp; + void * evt_arg1; + void * evt_arg2; + uint32_t evt; +}; + +#define LPFC_EVT_NODEV_TMO 0x1 +#define LPFC_EVT_ONLINE 0x2 +#define LPFC_EVT_OFFLINE 0x3 +#define LPFC_EVT_ELS_RETRY 0x4 + +struct lpfc_nodelist { + struct list_head nlp_listp; + struct lpfc_name nlp_portname; /* port name */ + struct lpfc_name nlp_nodename; /* node name */ + uint32_t nlp_flag; /* entry flags */ + uint32_t nlp_DID; /* FC D_ID of entry */ + uint32_t nlp_last_elscmd; /* Last ELS cmd sent */ + uint16_t nlp_type; +#define NLP_FC_NODE 0x1 /* entry is an FC node */ +#define NLP_FABRIC 0x4 /* entry rep a Fabric entity */ +#define NLP_FCP_TARGET 0x8 /* entry is an FCP target */ +#define NLP_FCP_INITIATOR 0x10 /* entry is an FCP Initiator */ + + uint16_t nlp_rpi; + uint16_t nlp_state; /* state transition indicator */ + uint16_t nlp_xri; /* output exchange id for RPI */ + uint16_t nlp_sid; /* scsi id */ +#define NLP_NO_SID 0xffff + uint16_t nlp_maxframe; /* Max RCV frame size */ + uint8_t nlp_class_sup; /* Supported Classes */ + uint8_t nlp_retry; /* used for ELS retries */ + uint8_t nlp_disc_refcnt; /* used for DSM */ + uint8_t nlp_fcp_info; /* class info, bits 0-3 */ +#define NLP_FCP_2_DEVICE 0x10 /* FCP-2 device */ + + struct timer_list nlp_delayfunc; /* Used for delayed ELS cmds */ + struct timer_list nlp_tmofunc; /* Used for nodev tmo */ + struct fc_rport *rport; /* Corresponding FC transport + port structure */ + struct lpfc_nodelist *nlp_rpi_hash_next; + struct lpfc_hba *nlp_phba; + struct lpfc_work_evt nodev_timeout_evt; + struct lpfc_work_evt els_retry_evt; +}; + +/* Defines for nlp_flag (uint32) */ +#define NLP_NO_LIST 0x0 /* Indicates immediately free node */ +#define NLP_UNUSED_LIST 0x1 /* Flg to indicate node will be freed */ +#define NLP_PLOGI_LIST 0x2 /* Flg to indicate sent PLOGI */ +#define NLP_ADISC_LIST 0x3 /* Flg to indicate sent ADISC */ +#define NLP_REGLOGIN_LIST 0x4 /* Flg to indicate sent REG_LOGIN */ +#define NLP_PRLI_LIST 0x5 /* Flg to indicate sent PRLI */ +#define NLP_UNMAPPED_LIST 0x6 /* Node is now unmapped */ +#define NLP_MAPPED_LIST 0x7 /* Node is now mapped */ +#define NLP_NPR_LIST 0x8 /* Node is in NPort Recovery state */ +#define NLP_JUST_DQ 0x9 /* just deque ndlp in lpfc_nlp_list */ +#define NLP_LIST_MASK 0xf /* mask to see what list node is on */ +#define NLP_PLOGI_SND 0x20 /* sent PLOGI request for this entry */ +#define NLP_PRLI_SND 0x40 /* sent PRLI request for this entry */ +#define NLP_ADISC_SND 0x80 /* sent ADISC request for this entry */ +#define NLP_LOGO_SND 0x100 /* sent LOGO request for this entry */ +#define NLP_RNID_SND 0x400 /* sent RNID request for this entry */ +#define NLP_ELS_SND_MASK 0x7e0 /* sent ELS request for this entry */ +#define NLP_NODEV_TMO 0x10000 /* nodev timeout is running for node */ +#define NLP_DELAY_TMO 0x20000 /* delay timeout is running for node */ +#define NLP_NPR_2B_DISC 0x40000 /* node is included in num_disc_nodes */ +#define NLP_RCV_PLOGI 0x80000 /* Rcv'ed PLOGI from remote system */ +#define NLP_LOGO_ACC 0x100000 /* Process LOGO after ACC completes */ +#define NLP_TGT_NO_SCSIID 0x200000 /* good PRLI but no binding for scsid */ +#define NLP_ACC_REGLOGIN 0x1000000 /* Issue Reg Login after successful + ACC */ +#define NLP_NPR_ADISC 0x2000000 /* Issue ADISC when dq'ed from + NPR list */ +#define NLP_DELAY_REMOVE 0x4000000 /* Defer removal till end of DSM */ + +/* Defines for list searchs */ +#define NLP_SEARCH_MAPPED 0x1 /* search mapped */ +#define NLP_SEARCH_UNMAPPED 0x2 /* search unmapped */ +#define NLP_SEARCH_PLOGI 0x4 /* search plogi */ +#define NLP_SEARCH_ADISC 0x8 /* search adisc */ +#define NLP_SEARCH_REGLOGIN 0x10 /* search reglogin */ +#define NLP_SEARCH_PRLI 0x20 /* search prli */ +#define NLP_SEARCH_NPR 0x40 /* search npr */ +#define NLP_SEARCH_UNUSED 0x80 /* search mapped */ +#define NLP_SEARCH_ALL 0xff /* search all lists */ + +/* There are 4 different double linked lists nodelist entries can reside on. + * The Port Login (PLOGI) list and Address Discovery (ADISC) list are used + * when Link Up discovery or Registered State Change Notification (RSCN) + * processing is needed. Each list holds the nodes that require a PLOGI or + * ADISC Extended Link Service (ELS) request. These lists keep track of the + * nodes affected by an RSCN, or a Link Up (Typically, all nodes are effected + * by Link Up) event. The unmapped_list contains all nodes that have + * successfully logged into at the Fibre Channel level. The + * mapped_list will contain all nodes that are mapped FCP targets. + * + * The bind list is a list of undiscovered (potentially non-existent) nodes + * that we have saved binding information on. This information is used when + * nodes transition from the unmapped to the mapped list. + */ + +/* Defines for nlp_state */ +#define NLP_STE_UNUSED_NODE 0x0 /* node is just allocated */ +#define NLP_STE_PLOGI_ISSUE 0x1 /* PLOGI was sent to NL_PORT */ +#define NLP_STE_ADISC_ISSUE 0x2 /* ADISC was sent to NL_PORT */ +#define NLP_STE_REG_LOGIN_ISSUE 0x3 /* REG_LOGIN was issued for NL_PORT */ +#define NLP_STE_PRLI_ISSUE 0x4 /* PRLI was sent to NL_PORT */ +#define NLP_STE_UNMAPPED_NODE 0x5 /* PRLI completed from NL_PORT */ +#define NLP_STE_MAPPED_NODE 0x6 /* Identified as a FCP Target */ +#define NLP_STE_NPR_NODE 0x7 /* NPort disappeared */ +#define NLP_STE_MAX_STATE 0x8 +#define NLP_STE_FREED_NODE 0xff /* node entry was freed to MEM_NLP */ + +/* For UNUSED_NODE state, the node has just been allocated. + * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on + * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list + * and put on the unmapped list. For ADISC processing, the node is taken off + * the ADISC list and placed on either the mapped or unmapped list (depending + * on its previous state). Once on the unmapped list, a PRLI is issued and the + * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is + * changed to PRLI_COMPL. If the completion indicates a mapped + * node, the node is taken off the unmapped list. The binding list is checked + * for a valid binding, or a binding is automatically assigned. If binding + * assignment is unsuccessful, the node is left on the unmapped list. If + * binding assignment is successful, the associated binding list entry (if + * any) is removed, and the node is placed on the mapped list. + */ +/* + * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped + * lists will receive a DEVICE_RECOVERY event. If the linkdown or nodev timers + * expire, all effected nodes will receive a DEVICE_RM event. + */ +/* + * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists + * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap + * check, additional nodes may be added (DEVICE_ADD) or removed (DEVICE_RM) to / + * from the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated, + * we will first process the ADISC list. 32 entries are processed initially and + * ADISC is initited for each one. Completions / Events for each node are + * funnelled thru the state machine. As each node finishes ADISC processing, it + * starts ADISC for any nodes waiting for ADISC processing. If no nodes are + * waiting, and the ADISC list count is identically 0, then we are done. For + * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we + * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI + * list. 32 entries are processed initially and PLOGI is initited for each one. + * Completions / Events for each node are funnelled thru the state machine. As + * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting + * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is + * identically 0, then we are done. We have now completed discovery / RSCN + * handling. Upon completion, ALL nodes should be on either the mapped or + * unmapped lists. + */ + +/* Defines for Node List Entry Events that could happen */ +#define NLP_EVT_RCV_PLOGI 0x0 /* Rcv'd an ELS PLOGI command */ +#define NLP_EVT_RCV_PRLI 0x1 /* Rcv'd an ELS PRLI command */ +#define NLP_EVT_RCV_LOGO 0x2 /* Rcv'd an ELS LOGO command */ +#define NLP_EVT_RCV_ADISC 0x3 /* Rcv'd an ELS ADISC command */ +#define NLP_EVT_RCV_PDISC 0x4 /* Rcv'd an ELS PDISC command */ +#define NLP_EVT_RCV_PRLO 0x5 /* Rcv'd an ELS PRLO command */ +#define NLP_EVT_CMPL_PLOGI 0x6 /* Sent an ELS PLOGI command */ +#define NLP_EVT_CMPL_PRLI 0x7 /* Sent an ELS PRLI command */ +#define NLP_EVT_CMPL_LOGO 0x8 /* Sent an ELS LOGO command */ +#define NLP_EVT_CMPL_ADISC 0x9 /* Sent an ELS ADISC command */ +#define NLP_EVT_CMPL_REG_LOGIN 0xa /* REG_LOGIN mbox cmd completed */ +#define NLP_EVT_DEVICE_RM 0xb /* Device not found in NS / ALPAmap */ +#define NLP_EVT_DEVICE_RECOVERY 0xc /* Device existence unknown */ +#define NLP_EVT_MAX_EVENT 0xd + diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c new file mode 100644 index 000000000000..68d1b77e0256 --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -0,0 +1,3258 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_els.c 1.186 2005/04/13 14:26:55EDT sf_support Exp $ + */ + +#include +#include +#include + +#include +#include +#include + +#include "lpfc_hw.h" +#include "lpfc_sli.h" +#include "lpfc_disc.h" +#include "lpfc_scsi.h" +#include "lpfc.h" +#include "lpfc_logmsg.h" +#include "lpfc_crtn.h" + +static int lpfc_els_retry(struct lpfc_hba *, struct lpfc_iocbq *, + struct lpfc_iocbq *); +static int lpfc_max_els_tries = 3; + +static int +lpfc_els_chk_latt(struct lpfc_hba * phba) +{ + struct lpfc_sli *psli; + LPFC_MBOXQ_t *mbox; + uint32_t ha_copy; + int rc; + + psli = &phba->sli; + + if ((phba->hba_state >= LPFC_HBA_READY) || + (phba->hba_state == LPFC_LINK_DOWN)) + return 0; + + /* Read the HBA Host Attention Register */ + spin_lock_irq(phba->host->host_lock); + ha_copy = readl(phba->HAregaddr); + spin_unlock_irq(phba->host->host_lock); + + if (!(ha_copy & HA_LATT)) + return 0; + + /* Pending Link Event during Discovery */ + lpfc_printf_log(phba, KERN_WARNING, LOG_DISCOVERY, + "%d:0237 Pending Link Event during " + "Discovery: State x%x\n", + phba->brd_no, phba->hba_state); + + /* CLEAR_LA should re-enable link attention events and + * we should then imediately take a LATT event. The + * LATT processing should call lpfc_linkdown() which + * will cleanup any left over in-progress discovery + * events. + */ + spin_lock_irq(phba->host->host_lock); + phba->fc_flag |= FC_ABORT_DISCOVERY; + spin_unlock_irq(phba->host->host_lock); + + if (phba->hba_state != LPFC_CLEAR_LA) { + if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { + phba->hba_state = LPFC_CLEAR_LA; + lpfc_clear_la(phba, mbox); + mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; + rc = lpfc_sli_issue_mbox (phba, mbox, + (MBX_NOWAIT | MBX_STOP_IOCB)); + if (rc == MBX_NOT_FINISHED) { + mempool_free(mbox, phba->mbox_mem_pool); + phba->hba_state = LPFC_HBA_ERROR; + } + } + } + + return (1); + +} + +static struct lpfc_iocbq * +lpfc_prep_els_iocb(struct lpfc_hba * phba, + uint8_t expectRsp, + uint16_t cmdSize, + uint8_t retry, struct lpfc_nodelist * ndlp, uint32_t elscmd) +{ + struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; + struct lpfc_sli_ring *pring; + struct lpfc_iocbq *elsiocb = NULL; + struct lpfc_dmabuf *pcmd, *prsp, *pbuflist; + struct ulp_bde64 *bpl; + IOCB_t *icmd; + + pring = &phba->sli.ring[LPFC_ELS_RING]; + + if (phba->hba_state < LPFC_LINK_UP) + return NULL; + + + /* Allocate buffer for command iocb */ + spin_lock_irq(phba->host->host_lock); + list_remove_head(lpfc_iocb_list, elsiocb, struct lpfc_iocbq, list); + spin_unlock_irq(phba->host->host_lock); + + if (elsiocb == NULL) + return NULL; + memset(elsiocb, 0, sizeof (struct lpfc_iocbq)); + icmd = &elsiocb->iocb; + + /* fill in BDEs for command */ + /* Allocate buffer for command payload */ + if (((pcmd = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) || + ((pcmd->virt = lpfc_mbuf_alloc(phba, + MEM_PRI, &(pcmd->phys))) == 0)) { + if (pcmd) + kfree(pcmd); + + list_add_tail(&elsiocb->list, lpfc_iocb_list); + return NULL; + } + + INIT_LIST_HEAD(&pcmd->list); + + /* Allocate buffer for response payload */ + if (expectRsp) { + prsp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); + if (prsp) + prsp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, + &prsp->phys); + if (prsp == 0 || prsp->virt == 0) { + if (prsp) + kfree(prsp); + lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); + kfree(pcmd); + list_add_tail(&elsiocb->list, lpfc_iocb_list); + return NULL; + } + INIT_LIST_HEAD(&prsp->list); + } else { + prsp = NULL; + } + + /* Allocate buffer for Buffer ptr list */ + pbuflist = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); + if (pbuflist) + pbuflist->virt = lpfc_mbuf_alloc(phba, MEM_PRI, + &pbuflist->phys); + if (pbuflist == 0 || pbuflist->virt == 0) { + list_add_tail(&elsiocb->list, lpfc_iocb_list); + lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); + lpfc_mbuf_free(phba, prsp->virt, prsp->phys); + kfree(pcmd); + kfree(prsp); + if (pbuflist) + kfree(pbuflist); + return NULL; + } + + INIT_LIST_HEAD(&pbuflist->list); + + icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys); + icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys); + icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BDL; + if (expectRsp) { + icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof (struct ulp_bde64)); + icmd->un.elsreq64.remoteID = ndlp->nlp_DID; /* DID */ + icmd->ulpCommand = CMD_ELS_REQUEST64_CR; + } else { + icmd->un.elsreq64.bdl.bdeSize = sizeof (struct ulp_bde64); + icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX; + } + + icmd->ulpBdeCount = 1; + icmd->ulpLe = 1; + icmd->ulpClass = CLASS3; + + bpl = (struct ulp_bde64 *) pbuflist->virt; + bpl->addrLow = le32_to_cpu(putPaddrLow(pcmd->phys)); + bpl->addrHigh = le32_to_cpu(putPaddrHigh(pcmd->phys)); + bpl->tus.f.bdeSize = cmdSize; + bpl->tus.f.bdeFlags = 0; + bpl->tus.w = le32_to_cpu(bpl->tus.w); + + if (expectRsp) { + bpl++; + bpl->addrLow = le32_to_cpu(putPaddrLow(prsp->phys)); + bpl->addrHigh = le32_to_cpu(putPaddrHigh(prsp->phys)); + bpl->tus.f.bdeSize = FCELSSIZE; + bpl->tus.f.bdeFlags = BUFF_USE_RCV; + bpl->tus.w = le32_to_cpu(bpl->tus.w); + } + + /* Save for completion so we can release these resources */ + elsiocb->context1 = (uint8_t *) ndlp; + elsiocb->context2 = (uint8_t *) pcmd; + elsiocb->context3 = (uint8_t *) pbuflist; + elsiocb->retry = retry; + elsiocb->drvrTimeout = (phba->fc_ratov << 1) + LPFC_DRVR_TIMEOUT; + + if (prsp) { + list_add(&prsp->list, &pcmd->list); + } + + if (expectRsp) { + /* Xmit ELS command to remote NPORT */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0116 Xmit ELS command x%x to remote " + "NPORT x%x Data: x%x x%x\n", + phba->brd_no, elscmd, + ndlp->nlp_DID, icmd->ulpIoTag, phba->hba_state); + } else { + /* Xmit ELS response to remote NPORT */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0117 Xmit ELS response x%x to remote " + "NPORT x%x Data: x%x x%x\n", + phba->brd_no, elscmd, + ndlp->nlp_DID, icmd->ulpIoTag, cmdSize); + } + + return (elsiocb); +} + + +static int +lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, + struct serv_parm *sp, IOCB_t *irsp) +{ + LPFC_MBOXQ_t *mbox; + int rc; + + spin_lock_irq(phba->host->host_lock); + phba->fc_flag |= FC_FABRIC; + spin_unlock_irq(phba->host->host_lock); + + phba->fc_edtov = be32_to_cpu(sp->cmn.e_d_tov); + if (sp->cmn.edtovResolution) /* E_D_TOV ticks are in nanoseconds */ + phba->fc_edtov = (phba->fc_edtov + 999999) / 1000000; + + phba->fc_ratov = (be32_to_cpu(sp->cmn.w2.r_a_tov) + 999) / 1000; + + if (phba->fc_topology == TOPOLOGY_LOOP) { + spin_lock_irq(phba->host->host_lock); + phba->fc_flag |= FC_PUBLIC_LOOP; + spin_unlock_irq(phba->host->host_lock); + } else { + /* + * If we are a N-port connected to a Fabric, fixup sparam's so + * logins to devices on remote loops work. + */ + phba->fc_sparam.cmn.altBbCredit = 1; + } + + phba->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; + memcpy(&ndlp->nlp_portname, &sp->portName, sizeof(struct lpfc_name)); + memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); + ndlp->nlp_class_sup = 0; + if (sp->cls1.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS1; + if (sp->cls2.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS2; + if (sp->cls3.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS3; + if (sp->cls4.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS4; + ndlp->nlp_maxframe = ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | + sp->cmn.bbRcvSizeLsb; + memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); + + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mbox) + goto fail; + + phba->hba_state = LPFC_FABRIC_CFG_LINK; + lpfc_config_link(phba, mbox); + mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); + if (rc == MBX_NOT_FINISHED) + goto fail_free_mbox; + + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mbox) + goto fail; + + if (lpfc_reg_login(phba, Fabric_DID, (uint8_t *) sp, mbox, 0)) + goto fail_free_mbox; + + /* + * set_slim mailbox command needs to execute first, + * queue this command to be processed later. + */ + mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login; + mbox->context2 = ndlp; + + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); + if (rc == MBX_NOT_FINISHED) + goto fail_free_mbox; + + return 0; + + fail_free_mbox: + mempool_free(mbox, phba->mbox_mem_pool); + fail: + return -ENXIO; +} + +/* + * We FLOGIed into an NPort, initiate pt2pt protocol + */ +static int +lpfc_cmpl_els_flogi_nport(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, + struct serv_parm *sp) +{ + LPFC_MBOXQ_t *mbox; + int rc; + + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); + spin_unlock_irq(phba->host->host_lock); + + phba->fc_edtov = FF_DEF_EDTOV; + phba->fc_ratov = FF_DEF_RATOV; + rc = memcmp(&phba->fc_portname, &sp->portName, + sizeof(struct lpfc_name)); + if (rc >= 0) { + /* This side will initiate the PLOGI */ + spin_lock_irq(phba->host->host_lock); + phba->fc_flag |= FC_PT2PT_PLOGI; + spin_unlock_irq(phba->host->host_lock); + + /* + * N_Port ID cannot be 0, set our to LocalID the other + * side will be RemoteID. + */ + + /* not equal */ + if (rc) + phba->fc_myDID = PT2PT_LocalID; + + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mbox) + goto fail; + + lpfc_config_link(phba, mbox); + + mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + rc = lpfc_sli_issue_mbox(phba, mbox, + MBX_NOWAIT | MBX_STOP_IOCB); + if (rc == MBX_NOT_FINISHED) { + mempool_free(mbox, phba->mbox_mem_pool); + goto fail; + } + mempool_free(ndlp, phba->nlp_mem_pool); + + ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, PT2PT_RemoteID); + if (!ndlp) { + /* + * Cannot find existing Fabric ndlp, so allocate a + * new one + */ + ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); + if (!ndlp) + goto fail; + + lpfc_nlp_init(phba, ndlp, PT2PT_RemoteID); + } + + memcpy(&ndlp->nlp_portname, &sp->portName, + sizeof(struct lpfc_name)); + memcpy(&ndlp->nlp_nodename, &sp->nodeName, + sizeof(struct lpfc_name)); + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + ndlp->nlp_flag |= NLP_NPR_2B_DISC; + } else { + /* This side will wait for the PLOGI */ + mempool_free( ndlp, phba->nlp_mem_pool); + } + + spin_lock_irq(phba->host->host_lock); + phba->fc_flag |= FC_PT2PT; + spin_unlock_irq(phba->host->host_lock); + + /* Start discovery - this should just do CLEAR_LA */ + lpfc_disc_start(phba); + return 0; + fail: + return -ENXIO; +} + +static void +lpfc_cmpl_els_flogi(struct lpfc_hba * phba, + struct lpfc_iocbq * cmdiocb, struct lpfc_iocbq * rspiocb) +{ + IOCB_t *irsp = &rspiocb->iocb; + struct lpfc_nodelist *ndlp = cmdiocb->context1; + struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp; + struct serv_parm *sp; + int rc; + + /* Check to see if link went down during discovery */ + if (lpfc_els_chk_latt(phba)) { + lpfc_nlp_remove(phba, ndlp); + goto out; + } + + if (irsp->ulpStatus) { + /* Check for retry */ + if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { + /* ELS command is being retried */ + goto out; + } + /* FLOGI failed, so there is no fabric */ + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); + spin_unlock_irq(phba->host->host_lock); + + /* If private loop, then allow max outstandting els to be + * LPFC_MAX_DISC_THREADS (32). Scanning in the case of no + * alpa map would take too long otherwise. + */ + if (phba->alpa_map[0] == 0) { + phba->cfg_discovery_threads = + LPFC_MAX_DISC_THREADS; + } + + /* FLOGI failure */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_ELS, + "%d:0100 FLOGI failure Data: x%x x%x\n", + phba->brd_no, + irsp->ulpStatus, irsp->un.ulpWord[4]); + goto flogifail; + } + + /* + * The FLogI succeeded. Sync the data for the CPU before + * accessing it. + */ + prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); + + sp = prsp->virt + sizeof(uint32_t); + + /* FLOGI completes successfully */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0101 FLOGI completes sucessfully " + "Data: x%x x%x x%x x%x\n", + phba->brd_no, + irsp->un.ulpWord[4], sp->cmn.e_d_tov, + sp->cmn.w2.r_a_tov, sp->cmn.edtovResolution); + + if (phba->hba_state == LPFC_FLOGI) { + /* + * If Common Service Parameters indicate Nport + * we are point to point, if Fport we are Fabric. + */ + if (sp->cmn.fPort) + rc = lpfc_cmpl_els_flogi_fabric(phba, ndlp, sp, irsp); + else + rc = lpfc_cmpl_els_flogi_nport(phba, ndlp, sp); + + if (!rc) + goto out; + } + +flogifail: + lpfc_nlp_remove(phba, ndlp); + + if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT || + (irsp->un.ulpWord[4] != IOERR_SLI_ABORTED && + irsp->un.ulpWord[4] != IOERR_SLI_DOWN)) { + /* FLOGI failed, so just use loop map to make discovery list */ + lpfc_disc_list_loopmap(phba); + + /* Start discovery */ + lpfc_disc_start(phba); + } + +out: + lpfc_els_free_iocb(phba, cmdiocb); +} + +static int +lpfc_issue_els_flogi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, + uint8_t retry) +{ + struct serv_parm *sp; + IOCB_t *icmd; + struct lpfc_iocbq *elsiocb; + struct lpfc_sli_ring *pring; + uint8_t *pcmd; + uint16_t cmdsize; + uint32_t tmo; + int rc; + + pring = &phba->sli.ring[LPFC_ELS_RING]; + + cmdsize = (sizeof (uint32_t) + sizeof (struct serv_parm)); + if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, + ndlp, ELS_CMD_FLOGI)) == 0) { + return (1); + } + + icmd = &elsiocb->iocb; + pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + + /* For FLOGI request, remainder of payload is service parameters */ + *((uint32_t *) (pcmd)) = ELS_CMD_FLOGI; + pcmd += sizeof (uint32_t); + memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm)); + sp = (struct serv_parm *) pcmd; + + /* Setup CSPs accordingly for Fabric */ + sp->cmn.e_d_tov = 0; + sp->cmn.w2.r_a_tov = 0; + sp->cls1.classValid = 0; + sp->cls2.seqDelivery = 1; + sp->cls3.seqDelivery = 1; + if (sp->cmn.fcphLow < FC_PH3) + sp->cmn.fcphLow = FC_PH3; + if (sp->cmn.fcphHigh < FC_PH3) + sp->cmn.fcphHigh = FC_PH3; + + tmo = phba->fc_ratov; + phba->fc_ratov = LPFC_DISC_FLOGI_TMO; + lpfc_set_disctmo(phba); + phba->fc_ratov = tmo; + + phba->fc_stat.elsXmitFLOGI++; + elsiocb->iocb_cmpl = lpfc_cmpl_els_flogi; + spin_lock_irq(phba->host->host_lock); + rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); + spin_unlock_irq(phba->host->host_lock); + if (rc == IOCB_ERROR) { + lpfc_els_free_iocb(phba, elsiocb); + return (1); + } + return (0); +} + +int +lpfc_els_abort_flogi(struct lpfc_hba * phba) +{ + struct lpfc_sli_ring *pring; + struct lpfc_iocbq *iocb, *next_iocb; + struct lpfc_nodelist *ndlp; + IOCB_t *icmd; + + /* Abort outstanding I/O on NPort */ + lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, + "%d:0201 Abort outstanding I/O on NPort x%x\n", + phba->brd_no, Fabric_DID); + + pring = &phba->sli.ring[LPFC_ELS_RING]; + + /* + * Check the txcmplq for an iocb that matches the nport the driver is + * searching for. + */ + spin_lock_irq(phba->host->host_lock); + list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { + icmd = &iocb->iocb; + if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR) { + ndlp = (struct lpfc_nodelist *)(iocb->context1); + if (ndlp && (ndlp->nlp_DID == Fabric_DID)) { + list_del(&iocb->list); + pring->txcmplq_cnt--; + + if ((icmd->un.elsreq64.bdl.ulpIoTag32)) { + lpfc_sli_issue_abort_iotag32 + (phba, pring, iocb); + } + if (iocb->iocb_cmpl) { + icmd->ulpStatus = IOSTAT_LOCAL_REJECT; + icmd->un.ulpWord[4] = + IOERR_SLI_ABORTED; + spin_unlock_irq(phba->host->host_lock); + (iocb->iocb_cmpl) (phba, iocb, iocb); + spin_lock_irq(phba->host->host_lock); + } else { + list_add_tail(&iocb->list, + &phba->lpfc_iocb_list); + } + } + } + } + spin_unlock_irq(phba->host->host_lock); + + return 0; +} + +int +lpfc_initial_flogi(struct lpfc_hba * phba) +{ + struct lpfc_nodelist *ndlp; + + /* First look for Fabric ndlp on the unmapped list */ + + if ((ndlp = + lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, + Fabric_DID)) == 0) { + /* Cannot find existing Fabric ndlp, so allocate a new one */ + if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL)) + == 0) { + return (0); + } + lpfc_nlp_init(phba, ndlp, Fabric_DID); + } + else { + phba->fc_unmap_cnt--; + list_del(&ndlp->nlp_listp); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_LIST_MASK; + spin_unlock_irq(phba->host->host_lock); + } + if (lpfc_issue_els_flogi(phba, ndlp, 0)) { + mempool_free( ndlp, phba->nlp_mem_pool); + } + return (1); +} + +static void +lpfc_more_plogi(struct lpfc_hba * phba) +{ + int sentplogi; + + if (phba->num_disc_nodes) + phba->num_disc_nodes--; + + /* Continue discovery with PLOGIs to go */ + lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, + "%d:0232 Continue discovery with %d PLOGIs to go " + "Data: x%x x%x x%x\n", + phba->brd_no, phba->num_disc_nodes, phba->fc_plogi_cnt, + phba->fc_flag, phba->hba_state); + + /* Check to see if there are more PLOGIs to be sent */ + if (phba->fc_flag & FC_NLP_MORE) { + /* go thru NPR list and issue any remaining ELS PLOGIs */ + sentplogi = lpfc_els_disc_plogi(phba); + } + return; +} + +static void +lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_iocbq * rspiocb) +{ + IOCB_t *irsp; + struct lpfc_sli *psli; + struct lpfc_nodelist *ndlp; + int disc, rc, did, type; + + psli = &phba->sli; + + /* we pass cmdiocb to state machine which needs rspiocb as well */ + cmdiocb->context_un.rsp_iocb = rspiocb; + + irsp = &rspiocb->iocb; + ndlp = (struct lpfc_nodelist *) cmdiocb->context1; + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_PLOGI_SND; + spin_unlock_irq(phba->host->host_lock); + + /* Since ndlp can be freed in the disc state machine, note if this node + * is being used during discovery. + */ + disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); + rc = 0; + + /* PLOGI completes to NPort */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0102 PLOGI completes to NPort x%x " + "Data: x%x x%x x%x x%x\n", + phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, + irsp->un.ulpWord[4], disc, phba->num_disc_nodes); + + /* Check to see if link went down during discovery */ + if (lpfc_els_chk_latt(phba)) { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); + goto out; + } + + /* ndlp could be freed in DSM, save these values now */ + type = ndlp->nlp_type; + did = ndlp->nlp_DID; + + if (irsp->ulpStatus) { + /* Check for retry */ + if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { + /* ELS command is being retried */ + if (disc) { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); + } + goto out; + } + + /* PLOGI failed */ + /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ + if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && + ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || + (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { + disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); + } + else { + rc = lpfc_disc_state_machine(phba, ndlp, cmdiocb, + NLP_EVT_CMPL_PLOGI); + } + } else { + /* Good status, call state machine */ + rc = lpfc_disc_state_machine(phba, ndlp, cmdiocb, + NLP_EVT_CMPL_PLOGI); + } + + if (type & NLP_FABRIC) { + /* If we cannot login to Nameserver, kick off discovery now */ + if ((did == NameServer_DID) && (rc == NLP_STE_FREED_NODE)) { + lpfc_disc_start(phba); + } + goto out; + } + + if (disc && phba->num_disc_nodes) { + /* Check to see if there are more PLOGIs to be sent */ + lpfc_more_plogi(phba); + } + + if (rc != NLP_STE_FREED_NODE) { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); + } + + if (phba->num_disc_nodes == 0) { + if(disc) { + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~FC_NDISC_ACTIVE; + spin_unlock_irq(phba->host->host_lock); + } + lpfc_can_disctmo(phba); + if (phba->fc_flag & FC_RSCN_MODE) { + /* Check to see if more RSCNs came in while we were + * processing this one. + */ + if ((phba->fc_rscn_id_cnt == 0) && + (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~FC_RSCN_MODE; + spin_unlock_irq(phba->host->host_lock); + } else { + lpfc_els_handle_rscn(phba); + } + } + } + +out: + lpfc_els_free_iocb(phba, cmdiocb); + return; +} + +int +lpfc_issue_els_plogi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, + uint8_t retry) +{ + struct serv_parm *sp; + IOCB_t *icmd; + struct lpfc_iocbq *elsiocb; + struct lpfc_sli_ring *pring; + struct lpfc_sli *psli; + uint8_t *pcmd; + uint16_t cmdsize; + + psli = &phba->sli; + pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ + + cmdsize = (sizeof (uint32_t) + sizeof (struct serv_parm)); + if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, + ndlp, ELS_CMD_PLOGI)) == 0) { + return (1); + } + + icmd = &elsiocb->iocb; + pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + + /* For PLOGI request, remainder of payload is service parameters */ + *((uint32_t *) (pcmd)) = ELS_CMD_PLOGI; + pcmd += sizeof (uint32_t); + memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm)); + sp = (struct serv_parm *) pcmd; + + if (sp->cmn.fcphLow < FC_PH_4_3) + sp->cmn.fcphLow = FC_PH_4_3; + + if (sp->cmn.fcphHigh < FC_PH3) + sp->cmn.fcphHigh = FC_PH3; + + phba->fc_stat.elsXmitPLOGI++; + elsiocb->iocb_cmpl = lpfc_cmpl_els_plogi; + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_PLOGI_SND; + if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { + ndlp->nlp_flag &= ~NLP_PLOGI_SND; + spin_unlock_irq(phba->host->host_lock); + lpfc_els_free_iocb(phba, elsiocb); + return (1); + } + spin_unlock_irq(phba->host->host_lock); + return (0); +} + +static void +lpfc_cmpl_els_prli(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_iocbq * rspiocb) +{ + IOCB_t *irsp; + struct lpfc_sli *psli; + struct lpfc_nodelist *ndlp; + + psli = &phba->sli; + /* we pass cmdiocb to state machine which needs rspiocb as well */ + cmdiocb->context_un.rsp_iocb = rspiocb; + + irsp = &(rspiocb->iocb); + ndlp = (struct lpfc_nodelist *) cmdiocb->context1; + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_PRLI_SND; + spin_unlock_irq(phba->host->host_lock); + + /* PRLI completes to NPort */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0103 PRLI completes to NPort x%x " + "Data: x%x x%x x%x\n", + phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, + irsp->un.ulpWord[4], phba->num_disc_nodes); + + phba->fc_prli_sent--; + /* Check to see if link went down during discovery */ + if (lpfc_els_chk_latt(phba)) + goto out; + + if (irsp->ulpStatus) { + /* Check for retry */ + if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { + /* ELS command is being retried */ + goto out; + } + /* PRLI failed */ + /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ + if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && + ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || + (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { + goto out; + } + else { + lpfc_disc_state_machine(phba, ndlp, cmdiocb, + NLP_EVT_CMPL_PRLI); + } + } else { + /* Good status, call state machine */ + lpfc_disc_state_machine(phba, ndlp, cmdiocb, NLP_EVT_CMPL_PRLI); + } + +out: + lpfc_els_free_iocb(phba, cmdiocb); + return; +} + +int +lpfc_issue_els_prli(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, + uint8_t retry) +{ + PRLI *npr; + IOCB_t *icmd; + struct lpfc_iocbq *elsiocb; + struct lpfc_sli_ring *pring; + struct lpfc_sli *psli; + uint8_t *pcmd; + uint16_t cmdsize; + + psli = &phba->sli; + pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ + + cmdsize = (sizeof (uint32_t) + sizeof (PRLI)); + if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, + ndlp, ELS_CMD_PRLI)) == 0) { + return (1); + } + + icmd = &elsiocb->iocb; + pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + + /* For PRLI request, remainder of payload is service parameters */ + memset(pcmd, 0, (sizeof (PRLI) + sizeof (uint32_t))); + *((uint32_t *) (pcmd)) = ELS_CMD_PRLI; + pcmd += sizeof (uint32_t); + + /* For PRLI, remainder of payload is PRLI parameter page */ + npr = (PRLI *) pcmd; + /* + * If our firmware version is 3.20 or later, + * set the following bits for FC-TAPE support. + */ + if (phba->vpd.rev.feaLevelHigh >= 0x02) { + npr->ConfmComplAllowed = 1; + npr->Retry = 1; + npr->TaskRetryIdReq = 1; + } + npr->estabImagePair = 1; + npr->readXferRdyDis = 1; + + /* For FCP support */ + npr->prliType = PRLI_FCP_TYPE; + npr->initiatorFunc = 1; + + phba->fc_stat.elsXmitPRLI++; + elsiocb->iocb_cmpl = lpfc_cmpl_els_prli; + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_PRLI_SND; + if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { + ndlp->nlp_flag &= ~NLP_PRLI_SND; + spin_unlock_irq(phba->host->host_lock); + lpfc_els_free_iocb(phba, elsiocb); + return (1); + } + spin_unlock_irq(phba->host->host_lock); + phba->fc_prli_sent++; + return (0); +} + +static void +lpfc_more_adisc(struct lpfc_hba * phba) +{ + int sentadisc; + + if (phba->num_disc_nodes) + phba->num_disc_nodes--; + + /* Continue discovery with ADISCs to go */ + lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, + "%d:0210 Continue discovery with %d ADISCs to go " + "Data: x%x x%x x%x\n", + phba->brd_no, phba->num_disc_nodes, phba->fc_adisc_cnt, + phba->fc_flag, phba->hba_state); + + /* Check to see if there are more ADISCs to be sent */ + if (phba->fc_flag & FC_NLP_MORE) { + lpfc_set_disctmo(phba); + + /* go thru NPR list and issue any remaining ELS ADISCs */ + sentadisc = lpfc_els_disc_adisc(phba); + } + return; +} + +static void +lpfc_rscn_disc(struct lpfc_hba * phba) +{ + /* RSCN discovery */ + /* go thru NPR list and issue ELS PLOGIs */ + if (phba->fc_npr_cnt) { + if (lpfc_els_disc_plogi(phba)) + return; + } + if (phba->fc_flag & FC_RSCN_MODE) { + /* Check to see if more RSCNs came in while we were + * processing this one. + */ + if ((phba->fc_rscn_id_cnt == 0) && + (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~FC_RSCN_MODE; + spin_unlock_irq(phba->host->host_lock); + } else { + lpfc_els_handle_rscn(phba); + } + } +} + +static void +lpfc_cmpl_els_adisc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_iocbq * rspiocb) +{ + IOCB_t *irsp; + struct lpfc_sli *psli; + struct lpfc_nodelist *ndlp; + LPFC_MBOXQ_t *mbox; + int disc, rc; + + psli = &phba->sli; + + /* we pass cmdiocb to state machine which needs rspiocb as well */ + cmdiocb->context_un.rsp_iocb = rspiocb; + + irsp = &(rspiocb->iocb); + ndlp = (struct lpfc_nodelist *) cmdiocb->context1; + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_ADISC_SND; + spin_unlock_irq(phba->host->host_lock); + + /* Since ndlp can be freed in the disc state machine, note if this node + * is being used during discovery. + */ + disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); + + /* ADISC completes to NPort */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0104 ADISC completes to NPort x%x " + "Data: x%x x%x x%x x%x\n", + phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, + irsp->un.ulpWord[4], disc, phba->num_disc_nodes); + + /* Check to see if link went down during discovery */ + if (lpfc_els_chk_latt(phba)) { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); + goto out; + } + + if (irsp->ulpStatus) { + /* Check for retry */ + if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { + /* ELS command is being retried */ + if (disc) { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); + lpfc_set_disctmo(phba); + } + goto out; + } + /* ADISC failed */ + /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ + if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && + ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || + (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { + disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); + } + else { + lpfc_disc_state_machine(phba, ndlp, cmdiocb, + NLP_EVT_CMPL_ADISC); + } + } else { + /* Good status, call state machine */ + lpfc_disc_state_machine(phba, ndlp, cmdiocb, + NLP_EVT_CMPL_ADISC); + } + + if (disc && phba->num_disc_nodes) { + /* Check to see if there are more ADISCs to be sent */ + lpfc_more_adisc(phba); + + /* Check to see if we are done with ADISC authentication */ + if (phba->num_disc_nodes == 0) { + lpfc_can_disctmo(phba); + /* If we get here, there is nothing left to wait for */ + if ((phba->hba_state < LPFC_HBA_READY) && + (phba->hba_state != LPFC_CLEAR_LA)) { + /* Link up discovery */ + if ((mbox = mempool_alloc(phba->mbox_mem_pool, + GFP_KERNEL))) { + phba->hba_state = LPFC_CLEAR_LA; + lpfc_clear_la(phba, mbox); + mbox->mbox_cmpl = + lpfc_mbx_cmpl_clear_la; + rc = lpfc_sli_issue_mbox + (phba, mbox, + (MBX_NOWAIT | MBX_STOP_IOCB)); + if (rc == MBX_NOT_FINISHED) { + mempool_free(mbox, + phba->mbox_mem_pool); + lpfc_disc_flush_list(phba); + psli->ring[(psli->ip_ring)]. + flag &= + ~LPFC_STOP_IOCB_EVENT; + psli->ring[(psli->fcp_ring)]. + flag &= + ~LPFC_STOP_IOCB_EVENT; + psli->ring[(psli->next_ring)]. + flag &= + ~LPFC_STOP_IOCB_EVENT; + phba->hba_state = + LPFC_HBA_READY; + } + } + } else { + lpfc_rscn_disc(phba); + } + } + } + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); +out: + lpfc_els_free_iocb(phba, cmdiocb); + return; +} + +int +lpfc_issue_els_adisc(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, + uint8_t retry) +{ + ADISC *ap; + IOCB_t *icmd; + struct lpfc_iocbq *elsiocb; + struct lpfc_sli_ring *pring; + struct lpfc_sli *psli; + uint8_t *pcmd; + uint16_t cmdsize; + + psli = &phba->sli; + pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ + + cmdsize = (sizeof (uint32_t) + sizeof (ADISC)); + if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, + ndlp, ELS_CMD_ADISC)) == 0) { + return (1); + } + + icmd = &elsiocb->iocb; + pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + + /* For ADISC request, remainder of payload is service parameters */ + *((uint32_t *) (pcmd)) = ELS_CMD_ADISC; + pcmd += sizeof (uint32_t); + + /* Fill in ADISC payload */ + ap = (ADISC *) pcmd; + ap->hardAL_PA = phba->fc_pref_ALPA; + memcpy(&ap->portName, &phba->fc_portname, sizeof (struct lpfc_name)); + memcpy(&ap->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name)); + ap->DID = be32_to_cpu(phba->fc_myDID); + + phba->fc_stat.elsXmitADISC++; + elsiocb->iocb_cmpl = lpfc_cmpl_els_adisc; + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_ADISC_SND; + if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { + ndlp->nlp_flag &= ~NLP_ADISC_SND; + spin_unlock_irq(phba->host->host_lock); + lpfc_els_free_iocb(phba, elsiocb); + return (1); + } + spin_unlock_irq(phba->host->host_lock); + return (0); +} + +static void +lpfc_cmpl_els_logo(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_iocbq * rspiocb) +{ + IOCB_t *irsp; + struct lpfc_sli *psli; + struct lpfc_nodelist *ndlp; + + psli = &phba->sli; + /* we pass cmdiocb to state machine which needs rspiocb as well */ + cmdiocb->context_un.rsp_iocb = rspiocb; + + irsp = &(rspiocb->iocb); + ndlp = (struct lpfc_nodelist *) cmdiocb->context1; + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_LOGO_SND; + spin_unlock_irq(phba->host->host_lock); + + /* LOGO completes to NPort */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0105 LOGO completes to NPort x%x " + "Data: x%x x%x x%x\n", + phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, + irsp->un.ulpWord[4], phba->num_disc_nodes); + + /* Check to see if link went down during discovery */ + if (lpfc_els_chk_latt(phba)) + goto out; + + if (irsp->ulpStatus) { + /* Check for retry */ + if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { + /* ELS command is being retried */ + goto out; + } + /* LOGO failed */ + /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ + if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && + ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || + (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { + goto out; + } + else { + lpfc_disc_state_machine(phba, ndlp, cmdiocb, + NLP_EVT_CMPL_LOGO); + } + } else { + /* Good status, call state machine */ + lpfc_disc_state_machine(phba, ndlp, cmdiocb, NLP_EVT_CMPL_LOGO); + + if (ndlp->nlp_flag & NLP_DELAY_TMO) { + lpfc_unreg_rpi(phba, ndlp); + } + } + +out: + lpfc_els_free_iocb(phba, cmdiocb); + return; +} + +int +lpfc_issue_els_logo(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, + uint8_t retry) +{ + IOCB_t *icmd; + struct lpfc_iocbq *elsiocb; + struct lpfc_sli_ring *pring; + struct lpfc_sli *psli; + uint8_t *pcmd; + uint16_t cmdsize; + + psli = &phba->sli; + pring = &psli->ring[LPFC_ELS_RING]; + + cmdsize = 2 * (sizeof (uint32_t) + sizeof (struct lpfc_name)); + if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, + ndlp, ELS_CMD_LOGO)) == 0) { + return (1); + } + + icmd = &elsiocb->iocb; + pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; + pcmd += sizeof (uint32_t); + + /* Fill in LOGO payload */ + *((uint32_t *) (pcmd)) = be32_to_cpu(phba->fc_myDID); + pcmd += sizeof (uint32_t); + memcpy(pcmd, &phba->fc_portname, sizeof (struct lpfc_name)); + + phba->fc_stat.elsXmitLOGO++; + elsiocb->iocb_cmpl = lpfc_cmpl_els_logo; + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_LOGO_SND; + if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { + ndlp->nlp_flag &= ~NLP_LOGO_SND; + spin_unlock_irq(phba->host->host_lock); + lpfc_els_free_iocb(phba, elsiocb); + return (1); + } + spin_unlock_irq(phba->host->host_lock); + return (0); +} + +static void +lpfc_cmpl_els_cmd(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_iocbq * rspiocb) +{ + IOCB_t *irsp; + + irsp = &rspiocb->iocb; + + /* ELS cmd tag completes */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_ELS, + "%d:0106 ELS cmd tag x%x completes Data: x%x x%x\n", + phba->brd_no, + irsp->ulpIoTag, irsp->ulpStatus, irsp->un.ulpWord[4]); + + /* Check to see if link went down during discovery */ + lpfc_els_chk_latt(phba); + lpfc_els_free_iocb(phba, cmdiocb); + return; +} + +int +lpfc_issue_els_scr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry) +{ + IOCB_t *icmd; + struct lpfc_iocbq *elsiocb; + struct lpfc_sli_ring *pring; + struct lpfc_sli *psli; + uint8_t *pcmd; + uint16_t cmdsize; + struct lpfc_nodelist *ndlp; + + psli = &phba->sli; + pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ + cmdsize = (sizeof (uint32_t) + sizeof (SCR)); + if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL)) == 0) { + return (1); + } + + lpfc_nlp_init(phba, ndlp, nportid); + + if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, + ndlp, ELS_CMD_SCR)) == 0) { + mempool_free( ndlp, phba->nlp_mem_pool); + return (1); + } + + icmd = &elsiocb->iocb; + pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + + *((uint32_t *) (pcmd)) = ELS_CMD_SCR; + pcmd += sizeof (uint32_t); + + /* For SCR, remainder of payload is SCR parameter page */ + memset(pcmd, 0, sizeof (SCR)); + ((SCR *) pcmd)->Function = SCR_FUNC_FULL; + + phba->fc_stat.elsXmitSCR++; + elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; + spin_lock_irq(phba->host->host_lock); + if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { + spin_unlock_irq(phba->host->host_lock); + mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_els_free_iocb(phba, elsiocb); + return (1); + } + spin_unlock_irq(phba->host->host_lock); + mempool_free( ndlp, phba->nlp_mem_pool); + return (0); +} + +static int +lpfc_issue_els_farpr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry) +{ + IOCB_t *icmd; + struct lpfc_iocbq *elsiocb; + struct lpfc_sli_ring *pring; + struct lpfc_sli *psli; + FARP *fp; + uint8_t *pcmd; + uint32_t *lp; + uint16_t cmdsize; + struct lpfc_nodelist *ondlp; + struct lpfc_nodelist *ndlp; + + psli = &phba->sli; + pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ + cmdsize = (sizeof (uint32_t) + sizeof (FARP)); + if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL)) == 0) { + return (1); + } + lpfc_nlp_init(phba, ndlp, nportid); + + if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, + ndlp, ELS_CMD_RNID)) == 0) { + mempool_free( ndlp, phba->nlp_mem_pool); + return (1); + } + + icmd = &elsiocb->iocb; + pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + + *((uint32_t *) (pcmd)) = ELS_CMD_FARPR; + pcmd += sizeof (uint32_t); + + /* Fill in FARPR payload */ + fp = (FARP *) (pcmd); + memset(fp, 0, sizeof (FARP)); + lp = (uint32_t *) pcmd; + *lp++ = be32_to_cpu(nportid); + *lp++ = be32_to_cpu(phba->fc_myDID); + fp->Rflags = 0; + fp->Mflags = (FARP_MATCH_PORT | FARP_MATCH_NODE); + + memcpy(&fp->RportName, &phba->fc_portname, sizeof (struct lpfc_name)); + memcpy(&fp->RnodeName, &phba->fc_nodename, sizeof (struct lpfc_name)); + if ((ondlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, nportid))) { + memcpy(&fp->OportName, &ondlp->nlp_portname, + sizeof (struct lpfc_name)); + memcpy(&fp->OnodeName, &ondlp->nlp_nodename, + sizeof (struct lpfc_name)); + } + + phba->fc_stat.elsXmitFARPR++; + elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; + spin_lock_irq(phba->host->host_lock); + if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { + spin_unlock_irq(phba->host->host_lock); + mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_els_free_iocb(phba, elsiocb); + return (1); + } + spin_unlock_irq(phba->host->host_lock); + mempool_free( ndlp, phba->nlp_mem_pool); + return (0); +} + +void +lpfc_els_retry_delay(unsigned long ptr) +{ + struct lpfc_nodelist *ndlp; + struct lpfc_hba *phba; + unsigned long iflag; + struct lpfc_work_evt *evtp; + + ndlp = (struct lpfc_nodelist *)ptr; + phba = ndlp->nlp_phba; + evtp = &ndlp->els_retry_evt; + + spin_lock_irqsave(phba->host->host_lock, iflag); + if (!list_empty(&evtp->evt_listp)) { + spin_unlock_irqrestore(phba->host->host_lock, iflag); + return; + } + + evtp->evt_arg1 = ndlp; + evtp->evt = LPFC_EVT_ELS_RETRY; + list_add_tail(&evtp->evt_listp, &phba->work_list); + if (phba->work_wait) + wake_up(phba->work_wait); + + spin_unlock_irqrestore(phba->host->host_lock, iflag); + return; +} + +void +lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) +{ + struct lpfc_hba *phba; + uint32_t cmd; + uint32_t did; + uint8_t retry; + + phba = ndlp->nlp_phba; + spin_lock_irq(phba->host->host_lock); + did = (uint32_t) (ndlp->nlp_DID); + cmd = (uint32_t) (ndlp->nlp_last_elscmd); + + if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { + spin_unlock_irq(phba->host->host_lock); + return; + } + + ndlp->nlp_flag &= ~NLP_DELAY_TMO; + spin_unlock_irq(phba->host->host_lock); + retry = ndlp->nlp_retry; + + switch (cmd) { + case ELS_CMD_FLOGI: + lpfc_issue_els_flogi(phba, ndlp, retry); + break; + case ELS_CMD_PLOGI: + ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_issue_els_plogi(phba, ndlp, retry); + break; + case ELS_CMD_ADISC: + ndlp->nlp_state = NLP_STE_ADISC_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); + lpfc_issue_els_adisc(phba, ndlp, retry); + break; + case ELS_CMD_PRLI: + ndlp->nlp_state = NLP_STE_PRLI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST); + lpfc_issue_els_prli(phba, ndlp, retry); + break; + case ELS_CMD_LOGO: + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_issue_els_logo(phba, ndlp, retry); + break; + } + return; +} + +static int +lpfc_els_retry(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_iocbq * rspiocb) +{ + IOCB_t *irsp; + struct lpfc_dmabuf *pcmd; + struct lpfc_nodelist *ndlp; + uint32_t *elscmd; + struct ls_rjt stat; + int retry, maxretry; + int delay; + uint32_t cmd; + + retry = 0; + delay = 0; + maxretry = lpfc_max_els_tries; + irsp = &rspiocb->iocb; + ndlp = (struct lpfc_nodelist *) cmdiocb->context1; + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + cmd = 0; + /* Note: context2 may be 0 for internal driver abort + * of delays ELS command. + */ + + if (pcmd && pcmd->virt) { + elscmd = (uint32_t *) (pcmd->virt); + cmd = *elscmd++; + } + + switch (irsp->ulpStatus) { + case IOSTAT_FCP_RSP_ERROR: + case IOSTAT_REMOTE_STOP: + break; + + case IOSTAT_LOCAL_REJECT: + switch ((irsp->un.ulpWord[4] & 0xff)) { + case IOERR_LOOP_OPEN_FAILURE: + if (cmd == ELS_CMD_PLOGI) { + if (cmdiocb->retry == 0) { + delay = 1; + } + } + retry = 1; + break; + + case IOERR_SEQUENCE_TIMEOUT: + retry = 1; + if ((cmd == ELS_CMD_FLOGI) + && (phba->fc_topology != TOPOLOGY_LOOP)) { + delay = 1; + maxretry = 48; + } + break; + + case IOERR_NO_RESOURCES: + if (cmd == ELS_CMD_PLOGI) { + delay = 1; + } + retry = 1; + break; + + case IOERR_INVALID_RPI: + retry = 1; + break; + } + break; + + case IOSTAT_NPORT_RJT: + case IOSTAT_FABRIC_RJT: + if (irsp->un.ulpWord[4] & RJT_UNAVAIL_TEMP) { + retry = 1; + break; + } + break; + + case IOSTAT_NPORT_BSY: + case IOSTAT_FABRIC_BSY: + retry = 1; + break; + + case IOSTAT_LS_RJT: + stat.un.lsRjtError = be32_to_cpu(irsp->un.ulpWord[4]); + /* Added for Vendor specifc support + * Just keep retrying for these Rsn / Exp codes + */ + switch (stat.un.b.lsRjtRsnCode) { + case LSRJT_UNABLE_TPC: + if (stat.un.b.lsRjtRsnCodeExp == + LSEXP_CMD_IN_PROGRESS) { + if (cmd == ELS_CMD_PLOGI) { + delay = 1; + maxretry = 48; + } + retry = 1; + break; + } + if (cmd == ELS_CMD_PLOGI) { + delay = 1; + maxretry = lpfc_max_els_tries + 1; + retry = 1; + break; + } + break; + + case LSRJT_LOGICAL_BSY: + if (cmd == ELS_CMD_PLOGI) { + delay = 1; + maxretry = 48; + } + retry = 1; + break; + } + break; + + case IOSTAT_INTERMED_RSP: + case IOSTAT_BA_RJT: + break; + + default: + break; + } + + if (ndlp->nlp_DID == FDMI_DID) { + retry = 1; + } + + if ((++cmdiocb->retry) >= maxretry) { + phba->fc_stat.elsRetryExceeded++; + retry = 0; + } + + if (retry) { + + /* Retry ELS command to remote NPORT */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0107 Retry ELS command x%x to remote " + "NPORT x%x Data: x%x x%x\n", + phba->brd_no, + cmd, ndlp->nlp_DID, cmdiocb->retry, delay); + + if ((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_ADISC)) { + /* If discovery / RSCN timer is running, reset it */ + if (timer_pending(&phba->fc_disctmo) || + (phba->fc_flag & FC_RSCN_MODE)) { + lpfc_set_disctmo(phba); + } + } + + phba->fc_stat.elsXmitRetry++; + if (delay) { + phba->fc_stat.elsDelayRetry++; + ndlp->nlp_retry = cmdiocb->retry; + + mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); + ndlp->nlp_flag |= NLP_DELAY_TMO; + + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + ndlp->nlp_last_elscmd = cmd; + + return (1); + } + switch (cmd) { + case ELS_CMD_FLOGI: + lpfc_issue_els_flogi(phba, ndlp, cmdiocb->retry); + return (1); + case ELS_CMD_PLOGI: + ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_issue_els_plogi(phba, ndlp, cmdiocb->retry); + return (1); + case ELS_CMD_ADISC: + ndlp->nlp_state = NLP_STE_ADISC_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); + lpfc_issue_els_adisc(phba, ndlp, cmdiocb->retry); + return (1); + case ELS_CMD_PRLI: + ndlp->nlp_state = NLP_STE_PRLI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST); + lpfc_issue_els_prli(phba, ndlp, cmdiocb->retry); + return (1); + case ELS_CMD_LOGO: + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_issue_els_logo(phba, ndlp, cmdiocb->retry); + return (1); + } + } + + /* No retry ELS command to remote NPORT */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0108 No retry ELS command x%x to remote NPORT x%x " + "Data: x%x x%x\n", + phba->brd_no, + cmd, ndlp->nlp_DID, cmdiocb->retry, ndlp->nlp_flag); + + return (0); +} + +int +lpfc_els_free_iocb(struct lpfc_hba * phba, struct lpfc_iocbq * elsiocb) +{ + struct lpfc_dmabuf *buf_ptr, *buf_ptr1; + + /* context2 = cmd, context2->next = rsp, context3 = bpl */ + if (elsiocb->context2) { + buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2; + /* Free the response before processing the command. */ + if (!list_empty(&buf_ptr1->list)) { + list_remove_head(&buf_ptr1->list, buf_ptr, + struct lpfc_dmabuf, + list); + lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); + kfree(buf_ptr); + } + lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys); + kfree(buf_ptr1); + } + + if (elsiocb->context3) { + buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3; + lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); + kfree(buf_ptr); + } + spin_lock_irq(phba->host->host_lock); + list_add_tail(&elsiocb->list, &phba->lpfc_iocb_list); + spin_unlock_irq(phba->host->host_lock); + return 0; +} + +static void +lpfc_cmpl_els_logo_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_iocbq * rspiocb) +{ + struct lpfc_nodelist *ndlp; + + ndlp = (struct lpfc_nodelist *) cmdiocb->context1; + + /* ACC to LOGO completes to NPort */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0109 ACC to LOGO completes to NPort x%x " + "Data: x%x x%x x%x\n", + phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, + ndlp->nlp_state, ndlp->nlp_rpi); + + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_LOGO_ACC; + spin_unlock_irq(phba->host->host_lock); + + switch (ndlp->nlp_state) { + case NLP_STE_UNUSED_NODE: /* node is just allocated */ + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + break; + case NLP_STE_NPR_NODE: /* NPort Recovery mode */ + lpfc_unreg_rpi(phba, ndlp); + break; + default: + break; + } + lpfc_els_free_iocb(phba, cmdiocb); + return; +} + +static void +lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_iocbq * rspiocb) +{ + struct lpfc_nodelist *ndlp; + LPFC_MBOXQ_t *mbox = NULL; + + ndlp = (struct lpfc_nodelist *) cmdiocb->context1; + if (cmdiocb->context_un.mbox) + mbox = cmdiocb->context_un.mbox; + + + /* Check to see if link went down during discovery */ + if ((lpfc_els_chk_latt(phba)) || !ndlp) { + if (mbox) { + mempool_free( mbox, phba->mbox_mem_pool); + } + goto out; + } + + /* ELS response tag completes */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0110 ELS response tag x%x completes " + "Data: x%x x%x x%x x%x x%x x%x\n", + phba->brd_no, + cmdiocb->iocb.ulpIoTag, rspiocb->iocb.ulpStatus, + rspiocb->iocb.un.ulpWord[4], ndlp->nlp_DID, + ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); + + if (mbox) { + if ((rspiocb->iocb.ulpStatus == 0) + && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { + /* set_slim mailbox command needs to execute first, + * queue this command to be processed later. + */ + lpfc_unreg_rpi(phba, ndlp); + mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; + mbox->context2 = ndlp; + ndlp->nlp_state = NLP_STE_REG_LOGIN_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_REGLOGIN_LIST); + if (lpfc_sli_issue_mbox(phba, mbox, + (MBX_NOWAIT | MBX_STOP_IOCB)) + != MBX_NOT_FINISHED) { + goto out; + } + /* NOTE: we should have messages for unsuccessful + reglogin */ + mempool_free( mbox, phba->mbox_mem_pool); + } else { + mempool_free( mbox, phba->mbox_mem_pool); + if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + } + } + } +out: + if (ndlp) { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_ACC_REGLOGIN; + spin_unlock_irq(phba->host->host_lock); + } + lpfc_els_free_iocb(phba, cmdiocb); + return; +} + +int +lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag, + struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp, + LPFC_MBOXQ_t * mbox, uint8_t newnode) +{ + IOCB_t *icmd; + IOCB_t *oldcmd; + struct lpfc_iocbq *elsiocb; + struct lpfc_sli_ring *pring; + struct lpfc_sli *psli; + uint8_t *pcmd; + uint16_t cmdsize; + int rc; + + psli = &phba->sli; + pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ + oldcmd = &oldiocb->iocb; + + switch (flag) { + case ELS_CMD_ACC: + cmdsize = sizeof (uint32_t); + if ((elsiocb = + lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, + ndlp, ELS_CMD_ACC)) == 0) { + return (1); + } + icmd = &elsiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri */ + pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + *((uint32_t *) (pcmd)) = ELS_CMD_ACC; + pcmd += sizeof (uint32_t); + break; + case ELS_CMD_PLOGI: + cmdsize = (sizeof (struct serv_parm) + sizeof (uint32_t)); + if ((elsiocb = + lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, + ndlp, ELS_CMD_ACC)) == 0) { + return (1); + } + icmd = &elsiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri */ + pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + + if (mbox) + elsiocb->context_un.mbox = mbox; + + *((uint32_t *) (pcmd)) = ELS_CMD_ACC; + pcmd += sizeof (uint32_t); + memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm)); + break; + default: + return (1); + } + + if (newnode) + elsiocb->context1 = NULL; + + /* Xmit ELS ACC response tag */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0128 Xmit ELS ACC response tag x%x " + "Data: x%x x%x x%x x%x x%x\n", + phba->brd_no, + elsiocb->iocb.ulpIoTag, + elsiocb->iocb.ulpContext, ndlp->nlp_DID, + ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); + + if (ndlp->nlp_flag & NLP_LOGO_ACC) { + elsiocb->iocb_cmpl = lpfc_cmpl_els_logo_acc; + } else { + elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; + } + + phba->fc_stat.elsXmitACC++; + spin_lock_irq(phba->host->host_lock); + rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); + spin_unlock_irq(phba->host->host_lock); + if (rc == IOCB_ERROR) { + lpfc_els_free_iocb(phba, elsiocb); + return (1); + } + return (0); +} + +int +lpfc_els_rsp_reject(struct lpfc_hba * phba, uint32_t rejectError, + struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) +{ + IOCB_t *icmd; + IOCB_t *oldcmd; + struct lpfc_iocbq *elsiocb; + struct lpfc_sli_ring *pring; + struct lpfc_sli *psli; + uint8_t *pcmd; + uint16_t cmdsize; + int rc; + + psli = &phba->sli; + pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ + + cmdsize = 2 * sizeof (uint32_t); + if ((elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, + ndlp, ELS_CMD_LS_RJT)) == 0) { + return (1); + } + + icmd = &elsiocb->iocb; + oldcmd = &oldiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri */ + pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + + *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT; + pcmd += sizeof (uint32_t); + *((uint32_t *) (pcmd)) = rejectError; + + /* Xmit ELS RJT response tag */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0129 Xmit ELS RJT x%x response tag x%x " + "Data: x%x x%x x%x x%x x%x\n", + phba->brd_no, + rejectError, elsiocb->iocb.ulpIoTag, + elsiocb->iocb.ulpContext, ndlp->nlp_DID, + ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); + + phba->fc_stat.elsXmitLSRJT++; + elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; + spin_lock_irq(phba->host->host_lock); + rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); + spin_unlock_irq(phba->host->host_lock); + if (rc == IOCB_ERROR) { + lpfc_els_free_iocb(phba, elsiocb); + return (1); + } + return (0); +} + +int +lpfc_els_rsp_adisc_acc(struct lpfc_hba * phba, + struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) +{ + ADISC *ap; + IOCB_t *icmd; + IOCB_t *oldcmd; + struct lpfc_iocbq *elsiocb; + struct lpfc_sli_ring *pring; + struct lpfc_sli *psli; + uint8_t *pcmd; + uint16_t cmdsize; + int rc; + + psli = &phba->sli; + pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ + + cmdsize = sizeof (uint32_t) + sizeof (ADISC); + if ((elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, + ndlp, ELS_CMD_ACC)) == 0) { + return (1); + } + + /* Xmit ADISC ACC response tag */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0130 Xmit ADISC ACC response tag x%x " + "Data: x%x x%x x%x x%x x%x\n", + phba->brd_no, + elsiocb->iocb.ulpIoTag, + elsiocb->iocb.ulpContext, ndlp->nlp_DID, + ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); + + icmd = &elsiocb->iocb; + oldcmd = &oldiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri */ + pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + + *((uint32_t *) (pcmd)) = ELS_CMD_ACC; + pcmd += sizeof (uint32_t); + + ap = (ADISC *) (pcmd); + ap->hardAL_PA = phba->fc_pref_ALPA; + memcpy(&ap->portName, &phba->fc_portname, sizeof (struct lpfc_name)); + memcpy(&ap->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name)); + ap->DID = be32_to_cpu(phba->fc_myDID); + + phba->fc_stat.elsXmitACC++; + elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; + spin_lock_irq(phba->host->host_lock); + rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); + spin_unlock_irq(phba->host->host_lock); + if (rc == IOCB_ERROR) { + lpfc_els_free_iocb(phba, elsiocb); + return (1); + } + return (0); +} + +int +lpfc_els_rsp_prli_acc(struct lpfc_hba * phba, + struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) +{ + PRLI *npr; + lpfc_vpd_t *vpd; + IOCB_t *icmd; + IOCB_t *oldcmd; + struct lpfc_iocbq *elsiocb; + struct lpfc_sli_ring *pring; + struct lpfc_sli *psli; + uint8_t *pcmd; + uint16_t cmdsize; + int rc; + + psli = &phba->sli; + pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ + + cmdsize = sizeof (uint32_t) + sizeof (PRLI); + if ((elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, + ndlp, + (ELS_CMD_ACC | + (ELS_CMD_PRLI & ~ELS_RSP_MASK)))) == + 0) { + return (1); + } + + /* Xmit PRLI ACC response tag */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0131 Xmit PRLI ACC response tag x%x " + "Data: x%x x%x x%x x%x x%x\n", + phba->brd_no, + elsiocb->iocb.ulpIoTag, + elsiocb->iocb.ulpContext, ndlp->nlp_DID, + ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); + + icmd = &elsiocb->iocb; + oldcmd = &oldiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri */ + pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + + *((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)); + pcmd += sizeof (uint32_t); + + /* For PRLI, remainder of payload is PRLI parameter page */ + memset(pcmd, 0, sizeof (PRLI)); + + npr = (PRLI *) pcmd; + vpd = &phba->vpd; + /* + * If our firmware version is 3.20 or later, + * set the following bits for FC-TAPE support. + */ + if (vpd->rev.feaLevelHigh >= 0x02) { + npr->ConfmComplAllowed = 1; + npr->Retry = 1; + npr->TaskRetryIdReq = 1; + } + + npr->acceptRspCode = PRLI_REQ_EXECUTED; + npr->estabImagePair = 1; + npr->readXferRdyDis = 1; + npr->ConfmComplAllowed = 1; + + npr->prliType = PRLI_FCP_TYPE; + npr->initiatorFunc = 1; + + phba->fc_stat.elsXmitACC++; + elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; + + spin_lock_irq(phba->host->host_lock); + rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); + spin_unlock_irq(phba->host->host_lock); + if (rc == IOCB_ERROR) { + lpfc_els_free_iocb(phba, elsiocb); + return (1); + } + return (0); +} + +static int +lpfc_els_rsp_rnid_acc(struct lpfc_hba * phba, + uint8_t format, + struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp) +{ + RNID *rn; + IOCB_t *icmd; + IOCB_t *oldcmd; + struct lpfc_iocbq *elsiocb; + struct lpfc_sli_ring *pring; + struct lpfc_sli *psli; + uint8_t *pcmd; + uint16_t cmdsize; + int rc; + + psli = &phba->sli; + pring = &psli->ring[LPFC_ELS_RING]; + + cmdsize = sizeof (uint32_t) + sizeof (uint32_t) + + (2 * sizeof (struct lpfc_name)); + if (format) + cmdsize += sizeof (RNID_TOP_DISC); + + if ((elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, + ndlp, ELS_CMD_ACC)) == 0) { + return (1); + } + + /* Xmit RNID ACC response tag */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0132 Xmit RNID ACC response tag x%x " + "Data: x%x\n", + phba->brd_no, + elsiocb->iocb.ulpIoTag, + elsiocb->iocb.ulpContext); + + icmd = &elsiocb->iocb; + oldcmd = &oldiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri */ + pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + + *((uint32_t *) (pcmd)) = ELS_CMD_ACC; + pcmd += sizeof (uint32_t); + + memset(pcmd, 0, sizeof (RNID)); + rn = (RNID *) (pcmd); + rn->Format = format; + rn->CommonLen = (2 * sizeof (struct lpfc_name)); + memcpy(&rn->portName, &phba->fc_portname, sizeof (struct lpfc_name)); + memcpy(&rn->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name)); + switch (format) { + case 0: + rn->SpecificLen = 0; + break; + case RNID_TOPOLOGY_DISC: + rn->SpecificLen = sizeof (RNID_TOP_DISC); + memcpy(&rn->un.topologyDisc.portName, + &phba->fc_portname, sizeof (struct lpfc_name)); + rn->un.topologyDisc.unitType = RNID_HBA; + rn->un.topologyDisc.physPort = 0; + rn->un.topologyDisc.attachedNodes = 0; + break; + default: + rn->CommonLen = 0; + rn->SpecificLen = 0; + break; + } + + phba->fc_stat.elsXmitACC++; + elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; + elsiocb->context1 = NULL; /* Don't need ndlp for cmpl, + * it could be freed */ + + spin_lock_irq(phba->host->host_lock); + rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); + spin_unlock_irq(phba->host->host_lock); + if (rc == IOCB_ERROR) { + lpfc_els_free_iocb(phba, elsiocb); + return (1); + } + return (0); +} + +int +lpfc_els_disc_adisc(struct lpfc_hba * phba) +{ + int sentadisc; + struct lpfc_nodelist *ndlp, *next_ndlp; + + sentadisc = 0; + /* go thru NPR list and issue any remaining ELS ADISCs */ + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, + nlp_listp) { + if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { + if (ndlp->nlp_flag & NLP_NPR_ADISC) { + ndlp->nlp_flag &= ~NLP_NPR_ADISC; + ndlp->nlp_state = NLP_STE_ADISC_ISSUE; + lpfc_nlp_list(phba, ndlp, + NLP_ADISC_LIST); + lpfc_issue_els_adisc(phba, ndlp, 0); + sentadisc++; + phba->num_disc_nodes++; + if (phba->num_disc_nodes >= + phba->cfg_discovery_threads) { + spin_lock_irq(phba->host->host_lock); + phba->fc_flag |= FC_NLP_MORE; + spin_unlock_irq(phba->host->host_lock); + break; + } + } + } + } + if (sentadisc == 0) { + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~FC_NLP_MORE; + spin_unlock_irq(phba->host->host_lock); + } + return(sentadisc); +} + +int +lpfc_els_disc_plogi(struct lpfc_hba * phba) +{ + int sentplogi; + struct lpfc_nodelist *ndlp, *next_ndlp; + + sentplogi = 0; + /* go thru NPR list and issue any remaining ELS PLOGIs */ + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, + nlp_listp) { + if ((ndlp->nlp_flag & NLP_NPR_2B_DISC) && + (!(ndlp->nlp_flag & NLP_DELAY_TMO))) { + if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { + ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_issue_els_plogi(phba, ndlp, 0); + sentplogi++; + phba->num_disc_nodes++; + if (phba->num_disc_nodes >= + phba->cfg_discovery_threads) { + spin_lock_irq(phba->host->host_lock); + phba->fc_flag |= FC_NLP_MORE; + spin_unlock_irq(phba->host->host_lock); + break; + } + } + } + } + if (sentplogi == 0) { + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~FC_NLP_MORE; + spin_unlock_irq(phba->host->host_lock); + } + return(sentplogi); +} + +int +lpfc_els_flush_rscn(struct lpfc_hba * phba) +{ + struct lpfc_dmabuf *mp; + int i; + + for (i = 0; i < phba->fc_rscn_id_cnt; i++) { + mp = phba->fc_rscn_id_list[i]; + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + phba->fc_rscn_id_list[i] = NULL; + } + phba->fc_rscn_id_cnt = 0; + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY); + spin_unlock_irq(phba->host->host_lock); + lpfc_can_disctmo(phba); + return (0); +} + +int +lpfc_rscn_payload_check(struct lpfc_hba * phba, uint32_t did) +{ + D_ID ns_did; + D_ID rscn_did; + struct lpfc_dmabuf *mp; + uint32_t *lp; + uint32_t payload_len, cmd, i, match; + + ns_did.un.word = did; + match = 0; + + /* Never match fabric nodes for RSCNs */ + if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) + return(0); + + /* If we are doing a FULL RSCN rediscovery, match everything */ + if (phba->fc_flag & FC_RSCN_DISCOVERY) { + return (did); + } + + for (i = 0; i < phba->fc_rscn_id_cnt; i++) { + mp = phba->fc_rscn_id_list[i]; + lp = (uint32_t *) mp->virt; + cmd = *lp++; + payload_len = be32_to_cpu(cmd) & 0xffff; /* payload length */ + payload_len -= sizeof (uint32_t); /* take off word 0 */ + while (payload_len) { + rscn_did.un.word = *lp++; + rscn_did.un.word = be32_to_cpu(rscn_did.un.word); + payload_len -= sizeof (uint32_t); + switch (rscn_did.un.b.resv) { + case 0: /* Single N_Port ID effected */ + if (ns_did.un.word == rscn_did.un.word) { + match = did; + } + break; + case 1: /* Whole N_Port Area effected */ + if ((ns_did.un.b.domain == rscn_did.un.b.domain) + && (ns_did.un.b.area == rscn_did.un.b.area)) + { + match = did; + } + break; + case 2: /* Whole N_Port Domain effected */ + if (ns_did.un.b.domain == rscn_did.un.b.domain) + { + match = did; + } + break; + case 3: /* Whole Fabric effected */ + match = did; + break; + default: + /* Unknown Identifier in RSCN list */ + lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, + "%d:0217 Unknown Identifier in " + "RSCN payload Data: x%x\n", + phba->brd_no, rscn_did.un.word); + break; + } + if (match) { + break; + } + } + } + return (match); +} + +static int +lpfc_rscn_recovery_check(struct lpfc_hba * phba) +{ + struct lpfc_nodelist *ndlp = NULL, *next_ndlp; + struct list_head *listp; + struct list_head *node_list[7]; + int i; + + /* Look at all nodes effected by pending RSCNs and move + * them to NPR list. + */ + node_list[0] = &phba->fc_npr_list; /* MUST do this list first */ + node_list[1] = &phba->fc_nlpmap_list; + node_list[2] = &phba->fc_nlpunmap_list; + node_list[3] = &phba->fc_prli_list; + node_list[4] = &phba->fc_reglogin_list; + node_list[5] = &phba->fc_adisc_list; + node_list[6] = &phba->fc_plogi_list; + for (i = 0; i < 7; i++) { + listp = node_list[i]; + if (list_empty(listp)) + continue; + + list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) { + if (!(lpfc_rscn_payload_check(phba, ndlp->nlp_DID))) + continue; + + lpfc_disc_state_machine(phba, ndlp, NULL, + NLP_EVT_DEVICE_RECOVERY); + if (ndlp->nlp_flag & NLP_DELAY_TMO) { + ndlp->nlp_flag &= ~NLP_DELAY_TMO; + del_timer_sync(&ndlp->nlp_delayfunc); + if (!list_empty(&ndlp-> + els_retry_evt.evt_listp)) + list_del_init(&ndlp-> + els_retry_evt.evt_listp); + } + } + } + return (0); +} + +static int +lpfc_els_rcv_rscn(struct lpfc_hba * phba, + struct lpfc_iocbq * cmdiocb, + struct lpfc_nodelist * ndlp, uint8_t newnode) +{ + struct lpfc_dmabuf *pcmd; + uint32_t *lp; + IOCB_t *icmd; + uint32_t payload_len, cmd; + + icmd = &cmdiocb->iocb; + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + lp = (uint32_t *) pcmd->virt; + + cmd = *lp++; + payload_len = be32_to_cpu(cmd) & 0xffff; /* payload length */ + payload_len -= sizeof (uint32_t); /* take off word 0 */ + cmd &= ELS_CMD_MASK; + + /* RSCN received */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_DISCOVERY, + "%d:0214 RSCN received Data: x%x x%x x%x x%x\n", + phba->brd_no, + phba->fc_flag, payload_len, *lp, phba->fc_rscn_id_cnt); + + /* If we are about to begin discovery, just ACC the RSCN. + * Discovery processing will satisfy it. + */ + if (phba->hba_state < LPFC_NS_QRY) { + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, + newnode); + return (0); + } + + /* If we are already processing an RSCN, save the received + * RSCN payload buffer, cmdiocb->context2 to process later. + */ + if (phba->fc_flag & (FC_RSCN_MODE | FC_NDISC_ACTIVE)) { + if ((phba->fc_rscn_id_cnt < FC_MAX_HOLD_RSCN) && + !(phba->fc_flag & FC_RSCN_DISCOVERY)) { + spin_lock_irq(phba->host->host_lock); + phba->fc_flag |= FC_RSCN_MODE; + spin_unlock_irq(phba->host->host_lock); + phba->fc_rscn_id_list[phba->fc_rscn_id_cnt++] = pcmd; + + /* If we zero, cmdiocb->context2, the calling + * routine will not try to free it. + */ + cmdiocb->context2 = NULL; + + /* Deferred RSCN */ + lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, + "%d:0235 Deferred RSCN " + "Data: x%x x%x x%x\n", + phba->brd_no, phba->fc_rscn_id_cnt, + phba->fc_flag, phba->hba_state); + } else { + spin_lock_irq(phba->host->host_lock); + phba->fc_flag |= FC_RSCN_DISCOVERY; + spin_unlock_irq(phba->host->host_lock); + /* ReDiscovery RSCN */ + lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, + "%d:0234 ReDiscovery RSCN " + "Data: x%x x%x x%x\n", + phba->brd_no, phba->fc_rscn_id_cnt, + phba->fc_flag, phba->hba_state); + } + /* Send back ACC */ + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, + newnode); + + /* send RECOVERY event for ALL nodes that match RSCN payload */ + lpfc_rscn_recovery_check(phba); + return (0); + } + + phba->fc_flag |= FC_RSCN_MODE; + phba->fc_rscn_id_list[phba->fc_rscn_id_cnt++] = pcmd; + /* + * If we zero, cmdiocb->context2, the calling routine will + * not try to free it. + */ + cmdiocb->context2 = NULL; + + lpfc_set_disctmo(phba); + + /* Send back ACC */ + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, newnode); + + /* send RECOVERY event for ALL nodes that match RSCN payload */ + lpfc_rscn_recovery_check(phba); + + return (lpfc_els_handle_rscn(phba)); +} + +int +lpfc_els_handle_rscn(struct lpfc_hba * phba) +{ + struct lpfc_nodelist *ndlp; + + /* Start timer for RSCN processing */ + lpfc_set_disctmo(phba); + + /* RSCN processed */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_DISCOVERY, + "%d:0215 RSCN processed Data: x%x x%x x%x x%x\n", + phba->brd_no, + phba->fc_flag, 0, phba->fc_rscn_id_cnt, + phba->hba_state); + + /* To process RSCN, first compare RSCN data with NameServer */ + phba->fc_ns_retry = 0; + if ((ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, + NameServer_DID))) { + /* Good ndlp, issue CT Request to NameServer */ + if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT) == 0) { + /* Wait for NameServer query cmpl before we can + continue */ + return (1); + } + } else { + /* If login to NameServer does not exist, issue one */ + /* Good status, issue PLOGI to NameServer */ + if ((ndlp = + lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID))) { + /* Wait for NameServer login cmpl before we can + continue */ + return (1); + } + if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL)) + == 0) { + lpfc_els_flush_rscn(phba); + return (0); + } else { + lpfc_nlp_init(phba, ndlp, NameServer_DID); + ndlp->nlp_type |= NLP_FABRIC; + ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_issue_els_plogi(phba, ndlp, 0); + /* Wait for NameServer login cmpl before we can + continue */ + return (1); + } + } + + lpfc_els_flush_rscn(phba); + return (0); +} + +static int +lpfc_els_rcv_flogi(struct lpfc_hba * phba, + struct lpfc_iocbq * cmdiocb, + struct lpfc_nodelist * ndlp, uint8_t newnode) +{ + struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + uint32_t *lp = (uint32_t *) pcmd->virt; + IOCB_t *icmd = &cmdiocb->iocb; + struct serv_parm *sp; + LPFC_MBOXQ_t *mbox; + struct ls_rjt stat; + uint32_t cmd, did; + int rc; + + cmd = *lp++; + sp = (struct serv_parm *) lp; + + /* FLOGI received */ + + lpfc_set_disctmo(phba); + + if (phba->fc_topology == TOPOLOGY_LOOP) { + /* We should never receive a FLOGI in loop mode, ignore it */ + did = icmd->un.elsreq64.remoteID; + + /* An FLOGI ELS command was received from DID in + Loop Mode */ + lpfc_printf_log(phba, KERN_ERR, LOG_ELS, + "%d:0113 An FLOGI ELS command x%x was received " + "from DID x%x in Loop Mode\n", + phba->brd_no, cmd, did); + return (1); + } + + did = Fabric_DID; + + if ((lpfc_check_sparm(phba, ndlp, sp, CLASS3))) { + /* For a FLOGI we accept, then if our portname is greater + * then the remote portname we initiate Nport login. + */ + + rc = memcmp(&phba->fc_portname, &sp->portName, + sizeof (struct lpfc_name)); + + if (!rc) { + if ((mbox = mempool_alloc(phba->mbox_mem_pool, + GFP_KERNEL)) == 0) { + return (1); + } + lpfc_linkdown(phba); + lpfc_init_link(phba, mbox, + phba->cfg_topology, + phba->cfg_link_speed); + mbox->mb.un.varInitLnk.lipsr_AL_PA = 0; + mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + rc = lpfc_sli_issue_mbox + (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); + if (rc == MBX_NOT_FINISHED) { + mempool_free( mbox, phba->mbox_mem_pool); + } + return (1); + } + else if (rc > 0) { /* greater than */ + spin_lock_irq(phba->host->host_lock); + phba->fc_flag |= FC_PT2PT_PLOGI; + spin_unlock_irq(phba->host->host_lock); + } + phba->fc_flag |= FC_PT2PT; + phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); + } else { + /* Reject this request because invalid parameters */ + stat.un.b.lsRjtRsvd0 = 0; + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; + stat.un.b.vendorUnique = 0; + lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); + return (1); + } + + /* Send back ACC */ + lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, newnode); + + return (0); +} + +static int +lpfc_els_rcv_rnid(struct lpfc_hba * phba, + struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp) +{ + struct lpfc_dmabuf *pcmd; + uint32_t *lp; + IOCB_t *icmd; + RNID *rn; + struct ls_rjt stat; + uint32_t cmd, did; + + icmd = &cmdiocb->iocb; + did = icmd->un.elsreq64.remoteID; + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + lp = (uint32_t *) pcmd->virt; + + cmd = *lp++; + rn = (RNID *) lp; + + /* RNID received */ + + switch (rn->Format) { + case 0: + case RNID_TOPOLOGY_DISC: + /* Send back ACC */ + lpfc_els_rsp_rnid_acc(phba, rn->Format, cmdiocb, ndlp); + break; + default: + /* Reject this request because format not supported */ + stat.un.b.lsRjtRsvd0 = 0; + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; + stat.un.b.vendorUnique = 0; + lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); + } + return (0); +} + +static int +lpfc_els_rcv_rrq(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_nodelist * ndlp) +{ + struct lpfc_dmabuf *pcmd; + uint32_t *lp; + IOCB_t *icmd; + struct lpfc_sli_ring *pring; + struct lpfc_sli *psli; + RRQ *rrq; + uint32_t cmd, did; + + psli = &phba->sli; + pring = &psli->ring[LPFC_FCP_RING]; + icmd = &cmdiocb->iocb; + did = icmd->un.elsreq64.remoteID; + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + lp = (uint32_t *) pcmd->virt; + + cmd = *lp++; + rrq = (RRQ *) lp; + + /* RRQ received */ + /* Get oxid / rxid from payload and abort it */ + spin_lock_irq(phba->host->host_lock); + if ((rrq->SID == be32_to_cpu(phba->fc_myDID))) { + lpfc_sli_abort_iocb(phba, pring, 0, 0, rrq->Oxid, + LPFC_CTX_CTX); + } else { + lpfc_sli_abort_iocb(phba, pring, 0, 0, rrq->Rxid, + LPFC_CTX_CTX); + } + + spin_unlock_irq(phba->host->host_lock); + /* ACCEPT the rrq request */ + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + + return 0; +} + +static int +lpfc_els_rcv_farp(struct lpfc_hba * phba, + struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp) +{ + struct lpfc_dmabuf *pcmd; + uint32_t *lp; + IOCB_t *icmd; + FARP *fp; + uint32_t cmd, cnt, did; + + icmd = &cmdiocb->iocb; + did = icmd->un.elsreq64.remoteID; + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + lp = (uint32_t *) pcmd->virt; + + cmd = *lp++; + fp = (FARP *) lp; + + /* FARP-REQ received from DID */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_IP, + "%d:0601 FARP-REQ received from DID x%x\n", + phba->brd_no, did); + + /* We will only support match on WWPN or WWNN */ + if (fp->Mflags & ~(FARP_MATCH_NODE | FARP_MATCH_PORT)) { + return (0); + } + + cnt = 0; + /* If this FARP command is searching for my portname */ + if (fp->Mflags & FARP_MATCH_PORT) { + if (memcmp(&fp->RportName, &phba->fc_portname, + sizeof (struct lpfc_name)) == 0) + cnt = 1; + } + + /* If this FARP command is searching for my nodename */ + if (fp->Mflags & FARP_MATCH_NODE) { + if (memcmp(&fp->RnodeName, &phba->fc_nodename, + sizeof (struct lpfc_name)) == 0) + cnt = 1; + } + + if (cnt) { + if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) || + (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { + /* Log back into the node before sending the FARP. */ + if (fp->Rflags & FARP_REQUEST_PLOGI) { + ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_issue_els_plogi(phba, ndlp, 0); + } + + /* Send a FARP response to that node */ + if (fp->Rflags & FARP_REQUEST_FARPR) { + lpfc_issue_els_farpr(phba, did, 0); + } + } + } + return (0); +} + +static int +lpfc_els_rcv_farpr(struct lpfc_hba * phba, + struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp) +{ + struct lpfc_dmabuf *pcmd; + uint32_t *lp; + IOCB_t *icmd; + uint32_t cmd, did; + + icmd = &cmdiocb->iocb; + did = icmd->un.elsreq64.remoteID; + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + lp = (uint32_t *) pcmd->virt; + + cmd = *lp++; + /* FARP-RSP received from DID */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_IP, + "%d:0600 FARP-RSP received from DID x%x\n", + phba->brd_no, did); + + /* ACCEPT the Farp resp request */ + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + + return 0; +} + +static int +lpfc_els_rcv_fan(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_nodelist * ndlp) +{ + struct lpfc_dmabuf *pcmd; + uint32_t *lp; + IOCB_t *icmd; + FAN *fp; + uint32_t cmd, did; + + icmd = &cmdiocb->iocb; + did = icmd->un.elsreq64.remoteID; + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + lp = (uint32_t *) pcmd->virt; + + cmd = *lp++; + fp = (FAN *) lp; + + /* FAN received */ + + /* ACCEPT the FAN request */ + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + + if (phba->hba_state == LPFC_LOCAL_CFG_LINK) { + /* The discovery state machine needs to take a different + * action if this node has switched fabrics + */ + if ((memcmp(&fp->FportName, &phba->fc_fabparam.portName, + sizeof (struct lpfc_name)) != 0) + || + (memcmp(&fp->FnodeName, &phba->fc_fabparam.nodeName, + sizeof (struct lpfc_name)) != 0)) { + /* This node has switched fabrics. An FLOGI is required + * after the timeout + */ + return (0); + } + + /* Start discovery */ + lpfc_disc_start(phba); + } + + return (0); +} + +void +lpfc_els_timeout(unsigned long ptr) +{ + struct lpfc_hba *phba; + unsigned long iflag; + + phba = (struct lpfc_hba *)ptr; + if (phba == 0) + return; + spin_lock_irqsave(phba->host->host_lock, iflag); + if (!(phba->work_hba_events & WORKER_ELS_TMO)) { + phba->work_hba_events |= WORKER_ELS_TMO; + if (phba->work_wait) + wake_up(phba->work_wait); + } + spin_unlock_irqrestore(phba->host->host_lock, iflag); + return; +} + +void +lpfc_els_timeout_handler(struct lpfc_hba *phba) +{ + struct lpfc_sli_ring *pring; + struct lpfc_iocbq *tmp_iocb, *piocb; + IOCB_t *cmd = NULL; + struct lpfc_dmabuf *pcmd; + struct list_head *dlp; + uint32_t *elscmd; + uint32_t els_command; + uint32_t timeout; + uint32_t remote_ID; + + if (phba == 0) + return; + spin_lock_irq(phba->host->host_lock); + /* If the timer is already canceled do nothing */ + if (!(phba->work_hba_events & WORKER_ELS_TMO)) { + spin_unlock_irq(phba->host->host_lock); + return; + } + timeout = (uint32_t)(phba->fc_ratov << 1); + + pring = &phba->sli.ring[LPFC_ELS_RING]; + dlp = &pring->txcmplq; + + list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { + cmd = &piocb->iocb; + + if (piocb->iocb_flag & LPFC_IO_LIBDFC) { + continue; + } + pcmd = (struct lpfc_dmabuf *) piocb->context2; + elscmd = (uint32_t *) (pcmd->virt); + els_command = *elscmd; + + if ((els_command == ELS_CMD_FARP) + || (els_command == ELS_CMD_FARPR)) { + continue; + } + + if (piocb->drvrTimeout > 0) { + if (piocb->drvrTimeout >= timeout) { + piocb->drvrTimeout -= timeout; + } else { + piocb->drvrTimeout = 0; + } + continue; + } + + list_del(&piocb->list); + pring->txcmplq_cnt--; + + if (cmd->ulpCommand == CMD_GEN_REQUEST64_CR) { + struct lpfc_nodelist *ndlp; + + ndlp = lpfc_findnode_rpi(phba, cmd->ulpContext); + remote_ID = ndlp->nlp_DID; + if (cmd->un.elsreq64.bdl.ulpIoTag32) { + lpfc_sli_issue_abort_iotag32(phba, + pring, piocb); + } + } else { + remote_ID = cmd->un.elsreq64.remoteID; + } + + lpfc_printf_log(phba, + KERN_ERR, + LOG_ELS, + "%d:0127 ELS timeout Data: x%x x%x x%x x%x\n", + phba->brd_no, els_command, + remote_ID, cmd->ulpCommand, cmd->ulpIoTag); + + /* + * The iocb has timed out; abort it. + */ + if (piocb->iocb_cmpl) { + cmd->ulpStatus = IOSTAT_LOCAL_REJECT; + cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + spin_unlock_irq(phba->host->host_lock); + (piocb->iocb_cmpl) (phba, piocb, piocb); + spin_lock_irq(phba->host->host_lock); + } else { + list_add_tail(&piocb->list, &phba->lpfc_iocb_list); + } + } + if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt) { + phba->els_tmofunc.expires = jiffies + HZ * timeout; + add_timer(&phba->els_tmofunc); + } + spin_unlock_irq(phba->host->host_lock); +} + +void +lpfc_els_flush_cmd(struct lpfc_hba * phba) +{ + struct lpfc_sli_ring *pring; + struct lpfc_iocbq *tmp_iocb, *piocb; + IOCB_t *cmd = NULL; + struct lpfc_dmabuf *pcmd; + uint32_t *elscmd; + uint32_t els_command; + uint32_t remote_ID; + + pring = &phba->sli.ring[LPFC_ELS_RING]; + spin_lock_irq(phba->host->host_lock); + list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { + cmd = &piocb->iocb; + + if (piocb->iocb_flag & LPFC_IO_LIBDFC) { + continue; + } + + /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */ + if ((cmd->ulpCommand == CMD_QUE_RING_BUF_CN) || + (cmd->ulpCommand == CMD_QUE_RING_BUF64_CN) || + (cmd->ulpCommand == CMD_CLOSE_XRI_CN) || + (cmd->ulpCommand == CMD_ABORT_XRI_CN)) { + continue; + } + + pcmd = (struct lpfc_dmabuf *) piocb->context2; + elscmd = (uint32_t *) (pcmd->virt); + els_command = *elscmd; + + if (cmd->ulpCommand == CMD_GEN_REQUEST64_CR) { + struct lpfc_nodelist *ndlp; + + ndlp = lpfc_findnode_rpi(phba, cmd->ulpContext); + remote_ID = ndlp->nlp_DID; + if (phba->hba_state == LPFC_HBA_READY) { + continue; + } + } else { + remote_ID = cmd->un.elsreq64.remoteID; + } + + list_del(&piocb->list); + pring->txcmplq_cnt--; + + cmd->ulpStatus = IOSTAT_LOCAL_REJECT; + cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + + if (piocb->iocb_cmpl) { + spin_unlock_irq(phba->host->host_lock); + (piocb->iocb_cmpl) (phba, piocb, piocb); + spin_lock_irq(phba->host->host_lock); + } + else + list_add_tail(&piocb->list, &phba->lpfc_iocb_list); + } + + list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { + cmd = &piocb->iocb; + + if (piocb->iocb_flag & LPFC_IO_LIBDFC) { + continue; + } + pcmd = (struct lpfc_dmabuf *) piocb->context2; + elscmd = (uint32_t *) (pcmd->virt); + els_command = *elscmd; + + if (cmd->ulpCommand == CMD_GEN_REQUEST64_CR) { + struct lpfc_nodelist *ndlp; + + ndlp = lpfc_findnode_rpi(phba, cmd->ulpContext); + remote_ID = ndlp->nlp_DID; + if (phba->hba_state == LPFC_HBA_READY) { + continue; + } + } else { + remote_ID = cmd->un.elsreq64.remoteID; + } + + list_del(&piocb->list); + pring->txcmplq_cnt--; + + cmd->ulpStatus = IOSTAT_LOCAL_REJECT; + cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + + if (piocb->iocb_cmpl) { + spin_unlock_irq(phba->host->host_lock); + (piocb->iocb_cmpl) (phba, piocb, piocb); + spin_lock_irq(phba->host->host_lock); + } + else + list_add_tail(&piocb->list, &phba->lpfc_iocb_list); + } + spin_unlock_irq(phba->host->host_lock); + return; +} + +void +lpfc_els_unsol_event(struct lpfc_hba * phba, + struct lpfc_sli_ring * pring, struct lpfc_iocbq * elsiocb) +{ + struct lpfc_sli *psli; + struct lpfc_nodelist *ndlp; + struct lpfc_dmabuf *mp; + uint32_t *lp; + IOCB_t *icmd; + struct ls_rjt stat; + uint32_t cmd; + uint32_t did; + uint32_t newnode; + uint32_t drop_cmd = 0; /* by default do NOT drop received cmd */ + uint32_t rjt_err = 0; + + psli = &phba->sli; + icmd = &elsiocb->iocb; + + if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) && + ((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) { + /* Not enough posted buffers; Try posting more buffers */ + phba->fc_stat.NoRcvBuf++; + lpfc_post_buffer(phba, pring, 0, 1); + return; + } + + /* If there are no BDEs associated with this IOCB, + * there is nothing to do. + */ + if (icmd->ulpBdeCount == 0) + return; + + /* type of ELS cmd is first 32bit word in packet */ + mp = lpfc_sli_ringpostbuf_get(phba, pring, getPaddr(icmd->un. + cont64[0]. + addrHigh, + icmd->un. + cont64[0].addrLow)); + if (mp == 0) { + drop_cmd = 1; + goto dropit; + } + + newnode = 0; + lp = (uint32_t *) mp->virt; + cmd = *lp++; + lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], 1, 1); + + if (icmd->ulpStatus) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + drop_cmd = 1; + goto dropit; + } + + /* Check to see if link went down during discovery */ + if (lpfc_els_chk_latt(phba)) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + drop_cmd = 1; + goto dropit; + } + + did = icmd->un.rcvels.remoteID; + if ((ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did)) == 0) { + /* Cannot find existing Fabric ndlp, so allocate a new one */ + if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL)) + == 0) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + drop_cmd = 1; + goto dropit; + } + + lpfc_nlp_init(phba, ndlp, did); + newnode = 1; + if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) { + ndlp->nlp_type |= NLP_FABRIC; + } + } + + phba->fc_stat.elsRcvFrame++; + elsiocb->context1 = ndlp; + elsiocb->context2 = mp; + + if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) { + cmd &= ELS_CMD_MASK; + } + /* ELS command received from NPORT */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "%d:0112 ELS command x%x received from NPORT x%x " + "Data: x%x\n", phba->brd_no, cmd, did, phba->hba_state); + + switch (cmd) { + case ELS_CMD_PLOGI: + phba->fc_stat.elsRcvPLOGI++; + if (phba->hba_state < LPFC_DISC_AUTH) { + rjt_err = LSEXP_NOTHING_MORE; + break; + } + lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PLOGI); + break; + case ELS_CMD_FLOGI: + phba->fc_stat.elsRcvFLOGI++; + lpfc_els_rcv_flogi(phba, elsiocb, ndlp, newnode); + if (newnode) { + mempool_free( ndlp, phba->nlp_mem_pool); + } + break; + case ELS_CMD_LOGO: + phba->fc_stat.elsRcvLOGO++; + if (phba->hba_state < LPFC_DISC_AUTH) { + rjt_err = LSEXP_NOTHING_MORE; + break; + } + lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_LOGO); + break; + case ELS_CMD_PRLO: + phba->fc_stat.elsRcvPRLO++; + if (phba->hba_state < LPFC_DISC_AUTH) { + rjt_err = LSEXP_NOTHING_MORE; + break; + } + lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PRLO); + break; + case ELS_CMD_RSCN: + phba->fc_stat.elsRcvRSCN++; + lpfc_els_rcv_rscn(phba, elsiocb, ndlp, newnode); + if (newnode) { + mempool_free( ndlp, phba->nlp_mem_pool); + } + break; + case ELS_CMD_ADISC: + phba->fc_stat.elsRcvADISC++; + if (phba->hba_state < LPFC_DISC_AUTH) { + rjt_err = LSEXP_NOTHING_MORE; + break; + } + lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_ADISC); + break; + case ELS_CMD_PDISC: + phba->fc_stat.elsRcvPDISC++; + if (phba->hba_state < LPFC_DISC_AUTH) { + rjt_err = LSEXP_NOTHING_MORE; + break; + } + lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PDISC); + break; + case ELS_CMD_FARPR: + phba->fc_stat.elsRcvFARPR++; + lpfc_els_rcv_farpr(phba, elsiocb, ndlp); + break; + case ELS_CMD_FARP: + phba->fc_stat.elsRcvFARP++; + lpfc_els_rcv_farp(phba, elsiocb, ndlp); + break; + case ELS_CMD_FAN: + phba->fc_stat.elsRcvFAN++; + lpfc_els_rcv_fan(phba, elsiocb, ndlp); + break; + case ELS_CMD_RRQ: + phba->fc_stat.elsRcvRRQ++; + lpfc_els_rcv_rrq(phba, elsiocb, ndlp); + break; + case ELS_CMD_PRLI: + phba->fc_stat.elsRcvPRLI++; + if (phba->hba_state < LPFC_DISC_AUTH) { + rjt_err = LSEXP_NOTHING_MORE; + break; + } + lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PRLI); + break; + case ELS_CMD_RNID: + phba->fc_stat.elsRcvRNID++; + lpfc_els_rcv_rnid(phba, elsiocb, ndlp); + break; + default: + /* Unsupported ELS command, reject */ + rjt_err = LSEXP_NOTHING_MORE; + + /* Unknown ELS command received from NPORT */ + lpfc_printf_log(phba, KERN_ERR, LOG_ELS, + "%d:0115 Unknown ELS command x%x received from " + "NPORT x%x\n", phba->brd_no, cmd, did); + if (newnode) { + mempool_free( ndlp, phba->nlp_mem_pool); + } + break; + } + + /* check if need to LS_RJT received ELS cmd */ + if (rjt_err) { + stat.un.b.lsRjtRsvd0 = 0; + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = rjt_err; + stat.un.b.vendorUnique = 0; + lpfc_els_rsp_reject(phba, stat.un.lsRjtError, elsiocb, ndlp); + } + + if (elsiocb->context2) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + } +dropit: + /* check if need to drop received ELS cmd */ + if (drop_cmd == 1) { + lpfc_printf_log(phba, KERN_ERR, LOG_ELS, + "%d:0111 Dropping received ELS cmd " + "Data: x%x x%x\n", phba->brd_no, + icmd->ulpStatus, icmd->un.ulpWord[4]); + phba->fc_stat.elsRcvDrop++; + } + return; +} diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c new file mode 100644 index 000000000000..d546206038bf --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -0,0 +1,2537 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_hbadisc.c 1.266 2005/04/13 11:59:06EDT sf_support Exp $ + */ + +#include +#include +#include +#include + +#include +#include +#include + +#include "lpfc_hw.h" +#include "lpfc_disc.h" +#include "lpfc_sli.h" +#include "lpfc_scsi.h" +#include "lpfc.h" +#include "lpfc_logmsg.h" +#include "lpfc_crtn.h" + +/* AlpaArray for assignment of scsid for scan-down and bind_method */ +static uint8_t lpfcAlpaArray[] = { + 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6, + 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA, + 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5, + 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9, + 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97, + 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79, + 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B, + 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56, + 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A, + 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35, + 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29, + 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17, + 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01 +}; + +static void lpfc_disc_timeout_handler(struct lpfc_hba *); + +static void +lpfc_process_nodev_timeout(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) +{ + if (!(ndlp->nlp_type & NLP_FABRIC)) { + /* Nodev timeout on NPort */ + lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, + "%d:0203 Nodev timeout on NPort x%x " + "Data: x%x x%x x%x\n", + phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, + ndlp->nlp_state, ndlp->nlp_rpi); + } + + spin_lock_irq(phba->host->host_lock); + if (!(ndlp->nlp_flag & NLP_NODEV_TMO)) { + spin_unlock_irq(phba->host->host_lock); + return; + } + + ndlp->nlp_flag &= ~NLP_NODEV_TMO; + + if (ndlp->nlp_sid != NLP_NO_SID) { + /* flush the target */ + lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], + ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); + } + spin_unlock_irq(phba->host->host_lock); + + lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RM); + return; +} + +static void +lpfc_work_list_done(struct lpfc_hba * phba) +{ + struct lpfc_work_evt *evtp = NULL; + struct lpfc_nodelist *ndlp; + int free_evt; + + spin_lock_irq(phba->host->host_lock); + while(!list_empty(&phba->work_list)) { + list_remove_head((&phba->work_list), evtp, typeof(*evtp), + evt_listp); + spin_unlock_irq(phba->host->host_lock); + free_evt = 1; + switch(evtp->evt) { + case LPFC_EVT_NODEV_TMO: + ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); + lpfc_process_nodev_timeout(phba, ndlp); + free_evt = 0; + break; + case LPFC_EVT_ELS_RETRY: + ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); + lpfc_els_retry_delay_handler(ndlp); + free_evt = 0; + break; + case LPFC_EVT_ONLINE: + *(int *)(evtp->evt_arg1) = lpfc_online(phba); + complete((struct completion *)(evtp->evt_arg2)); + break; + case LPFC_EVT_OFFLINE: + *(int *)(evtp->evt_arg1) = lpfc_offline(phba); + complete((struct completion *)(evtp->evt_arg2)); + break; + } + if (free_evt) + kfree(evtp); + spin_lock_irq(phba->host->host_lock); + } + spin_unlock_irq(phba->host->host_lock); + +} + +static void +lpfc_work_done(struct lpfc_hba * phba) +{ + struct lpfc_sli_ring *pring; + int i; + uint32_t ha_copy; + uint32_t control; + uint32_t work_hba_events; + + spin_lock_irq(phba->host->host_lock); + ha_copy = phba->work_ha; + phba->work_ha = 0; + work_hba_events=phba->work_hba_events; + spin_unlock_irq(phba->host->host_lock); + + if(ha_copy & HA_ERATT) + lpfc_handle_eratt(phba); + + if(ha_copy & HA_MBATT) + lpfc_sli_handle_mb_event(phba); + + if(ha_copy & HA_LATT) + lpfc_handle_latt(phba); + + if (work_hba_events & WORKER_DISC_TMO) + lpfc_disc_timeout_handler(phba); + + if (work_hba_events & WORKER_ELS_TMO) + lpfc_els_timeout_handler(phba); + + if (work_hba_events & WORKER_MBOX_TMO) + lpfc_mbox_timeout_handler(phba); + + if (work_hba_events & WORKER_FDMI_TMO) + lpfc_fdmi_tmo_handler(phba); + + spin_lock_irq(phba->host->host_lock); + phba->work_hba_events &= ~work_hba_events; + spin_unlock_irq(phba->host->host_lock); + + for (i = 0; i < phba->sli.num_rings; i++, ha_copy >>= 4) { + pring = &phba->sli.ring[i]; + if ((ha_copy & HA_RXATT) + || (pring->flag & LPFC_DEFERRED_RING_EVENT)) { + if (pring->flag & LPFC_STOP_IOCB_MASK) { + pring->flag |= LPFC_DEFERRED_RING_EVENT; + } else { + lpfc_sli_handle_slow_ring_event(phba, pring, + (ha_copy & + HA_RXMASK)); + pring->flag &= ~LPFC_DEFERRED_RING_EVENT; + } + /* + * Turn on Ring interrupts + */ + spin_lock_irq(phba->host->host_lock); + control = readl(phba->HCregaddr); + control |= (HC_R0INT_ENA << i); + writel(control, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + spin_unlock_irq(phba->host->host_lock); + } + } + + lpfc_work_list_done (phba); + +} + +static int +check_work_wait_done(struct lpfc_hba *phba) { + + spin_lock_irq(phba->host->host_lock); + if (phba->work_ha || + phba->work_hba_events || + (!list_empty(&phba->work_list)) || + kthread_should_stop()) { + spin_unlock_irq(phba->host->host_lock); + return 1; + } else { + spin_unlock_irq(phba->host->host_lock); + return 0; + } +} + +int +lpfc_do_work(void *p) +{ + struct lpfc_hba *phba = p; + int rc; + DECLARE_WAIT_QUEUE_HEAD(work_waitq); + + set_user_nice(current, -20); + phba->work_wait = &work_waitq; + + while (1) { + + rc = wait_event_interruptible(work_waitq, + check_work_wait_done(phba)); + BUG_ON(rc); + + if (kthread_should_stop()) + break; + + lpfc_work_done(phba); + + } + phba->work_wait = NULL; + return 0; +} + +/* + * This is only called to handle FC worker events. Since this a rare + * occurance, we allocate a struct lpfc_work_evt structure here instead of + * embedding it in the IOCB. + */ +int +lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2, + uint32_t evt) +{ + struct lpfc_work_evt *evtp; + + /* + * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will + * be queued to worker thread for processing + */ + evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_KERNEL); + if (!evtp) + return 0; + + evtp->evt_arg1 = arg1; + evtp->evt_arg2 = arg2; + evtp->evt = evt; + + list_add_tail(&evtp->evt_listp, &phba->work_list); + spin_lock_irq(phba->host->host_lock); + if (phba->work_wait) + wake_up(phba->work_wait); + spin_unlock_irq(phba->host->host_lock); + + return 1; +} + +int +lpfc_linkdown(struct lpfc_hba * phba) +{ + struct lpfc_sli *psli; + struct lpfc_nodelist *ndlp, *next_ndlp; + struct list_head *listp; + struct list_head *node_list[7]; + LPFC_MBOXQ_t *mb; + int rc, i; + + psli = &phba->sli; + + spin_lock_irq(phba->host->host_lock); + phba->hba_state = LPFC_LINK_DOWN; + spin_unlock_irq(phba->host->host_lock); + + /* Clean up any firmware default rpi's */ + if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { + lpfc_unreg_did(phba, 0xffffffff, mb); + mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; + if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) + == MBX_NOT_FINISHED) { + mempool_free( mb, phba->mbox_mem_pool); + } + } + + /* Cleanup any outstanding RSCN activity */ + lpfc_els_flush_rscn(phba); + + /* Cleanup any outstanding ELS commands */ + lpfc_els_flush_cmd(phba); + + /* Issue a LINK DOWN event to all nodes */ + node_list[0] = &phba->fc_npr_list; /* MUST do this list first */ + node_list[1] = &phba->fc_nlpmap_list; + node_list[2] = &phba->fc_nlpunmap_list; + node_list[3] = &phba->fc_prli_list; + node_list[4] = &phba->fc_reglogin_list; + node_list[5] = &phba->fc_adisc_list; + node_list[6] = &phba->fc_plogi_list; + for (i = 0; i < 7; i++) { + listp = node_list[i]; + if (list_empty(listp)) + continue; + + list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) { + /* Fabric nodes are not handled thru state machine for + link down */ + if (ndlp->nlp_type & NLP_FABRIC) { + /* Remove ALL Fabric nodes except Fabric_DID */ + if (ndlp->nlp_DID != Fabric_DID) { + /* Take it off current list and free */ + lpfc_nlp_list(phba, ndlp, + NLP_NO_LIST); + } + } + else { + + rc = lpfc_disc_state_machine(phba, ndlp, NULL, + NLP_EVT_DEVICE_RECOVERY); + + /* Check config parameter use-adisc or FCP-2 */ + if ((rc != NLP_STE_FREED_NODE) && + (phba->cfg_use_adisc == 0) && + !(ndlp->nlp_fcp_info & + NLP_FCP_2_DEVICE)) { + /* We know we will have to relogin, so + * unreglogin the rpi right now to fail + * any outstanding I/Os quickly. + */ + lpfc_unreg_rpi(phba, ndlp); + } + } + } + } + + /* free any ndlp's on unused list */ + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, + nlp_listp) { + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + } + + /* Setup myDID for link up if we are in pt2pt mode */ + if (phba->fc_flag & FC_PT2PT) { + phba->fc_myDID = 0; + if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { + lpfc_config_link(phba, mb); + mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; + if (lpfc_sli_issue_mbox + (phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) + == MBX_NOT_FINISHED) { + mempool_free( mb, phba->mbox_mem_pool); + } + } + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); + spin_unlock_irq(phba->host->host_lock); + } + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~FC_LBIT; + spin_unlock_irq(phba->host->host_lock); + + /* Turn off discovery timer if its running */ + lpfc_can_disctmo(phba); + + /* Must process IOCBs on all rings to handle ABORTed I/Os */ + return (0); +} + +static int +lpfc_linkup(struct lpfc_hba * phba) +{ + struct lpfc_nodelist *ndlp, *next_ndlp; + + spin_lock_irq(phba->host->host_lock); + phba->hba_state = LPFC_LINK_UP; + phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | + FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); + phba->fc_flag |= FC_NDISC_ACTIVE; + phba->fc_ns_retry = 0; + spin_unlock_irq(phba->host->host_lock); + + + /* + * Clean up old Fabric NLP_FABRIC logins. + */ + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list, + nlp_listp) { + if (ndlp->nlp_DID == Fabric_DID) { + /* Take it off current list and free */ + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + } + } + + /* free any ndlp's on unused list */ + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, + nlp_listp) { + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + } + + return 0; +} + +/* + * This routine handles processing a CLEAR_LA mailbox + * command upon completion. It is setup in the LPFC_MBOXQ + * as the completion routine when the command is + * handed off to the SLI layer. + */ +void +lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +{ + struct lpfc_sli *psli; + MAILBOX_t *mb; + uint32_t control; + + psli = &phba->sli; + mb = &pmb->mb; + /* Since we don't do discovery right now, turn these off here */ + psli->ring[psli->ip_ring].flag &= ~LPFC_STOP_IOCB_EVENT; + psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; + psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; + + /* Check for error */ + if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { + /* CLEAR_LA mbox error state */ + lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, + "%d:0320 CLEAR_LA mbxStatus error x%x hba " + "state x%x\n", + phba->brd_no, mb->mbxStatus, phba->hba_state); + + phba->hba_state = LPFC_HBA_ERROR; + goto out; + } + + if (phba->fc_flag & FC_ABORT_DISCOVERY) + goto out; + + phba->num_disc_nodes = 0; + /* go thru NPR list and issue ELS PLOGIs */ + if (phba->fc_npr_cnt) { + lpfc_els_disc_plogi(phba); + } + + if(!phba->num_disc_nodes) { + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~FC_NDISC_ACTIVE; + spin_unlock_irq(phba->host->host_lock); + } + + phba->hba_state = LPFC_HBA_READY; + +out: + /* Device Discovery completes */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_DISCOVERY, + "%d:0225 Device Discovery completes\n", + phba->brd_no); + + mempool_free( pmb, phba->mbox_mem_pool); + + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~FC_ABORT_DISCOVERY; + if (phba->fc_flag & FC_ESTABLISH_LINK) { + phba->fc_flag &= ~FC_ESTABLISH_LINK; + } + spin_unlock_irq(phba->host->host_lock); + + del_timer_sync(&phba->fc_estabtmo); + + lpfc_can_disctmo(phba); + + /* turn on Link Attention interrupts */ + spin_lock_irq(phba->host->host_lock); + psli->sli_flag |= LPFC_PROCESS_LA; + control = readl(phba->HCregaddr); + control |= HC_LAINT_ENA; + writel(control, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + spin_unlock_irq(phba->host->host_lock); + + return; +} + +static void +lpfc_mbx_cmpl_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +{ + struct lpfc_sli *psli; + MAILBOX_t *mb; + + psli = &phba->sli; + mb = &pmb->mb; + /* Check for error */ + if (mb->mbxStatus) { + /* CONFIG_LINK mbox error state */ + lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, + "%d:0306 CONFIG_LINK mbxStatus error x%x " + "HBA state x%x\n", + phba->brd_no, mb->mbxStatus, phba->hba_state); + + lpfc_linkdown(phba); + phba->hba_state = LPFC_HBA_ERROR; + goto out; + } + + if (phba->hba_state == LPFC_LOCAL_CFG_LINK) { + if (phba->fc_topology == TOPOLOGY_LOOP) { + /* If we are public loop and L bit was set */ + if ((phba->fc_flag & FC_PUBLIC_LOOP) && + !(phba->fc_flag & FC_LBIT)) { + /* Need to wait for FAN - use discovery timer + * for timeout. hba_state is identically + * LPFC_LOCAL_CFG_LINK while waiting for FAN + */ + lpfc_set_disctmo(phba); + mempool_free( pmb, phba->mbox_mem_pool); + return; + } + } + + /* Start discovery by sending a FLOGI hba_state is identically + * LPFC_FLOGI while waiting for FLOGI cmpl + */ + phba->hba_state = LPFC_FLOGI; + lpfc_set_disctmo(phba); + lpfc_initial_flogi(phba); + mempool_free( pmb, phba->mbox_mem_pool); + return; + } + if (phba->hba_state == LPFC_FABRIC_CFG_LINK) { + mempool_free( pmb, phba->mbox_mem_pool); + return; + } + +out: + /* CONFIG_LINK bad hba state */ + lpfc_printf_log(phba, + KERN_ERR, + LOG_DISCOVERY, + "%d:0200 CONFIG_LINK bad hba state x%x\n", + phba->brd_no, phba->hba_state); + + if (phba->hba_state != LPFC_CLEAR_LA) { + lpfc_clear_la(phba, pmb); + pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la; + if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)) + == MBX_NOT_FINISHED) { + mempool_free( pmb, phba->mbox_mem_pool); + lpfc_disc_flush_list(phba); + psli->ring[(psli->ip_ring)].flag &= + ~LPFC_STOP_IOCB_EVENT; + psli->ring[(psli->fcp_ring)].flag &= + ~LPFC_STOP_IOCB_EVENT; + psli->ring[(psli->next_ring)].flag &= + ~LPFC_STOP_IOCB_EVENT; + phba->hba_state = LPFC_HBA_READY; + } + } else { + mempool_free( pmb, phba->mbox_mem_pool); + } + return; +} + +static void +lpfc_mbx_cmpl_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +{ + struct lpfc_sli *psli = &phba->sli; + MAILBOX_t *mb = &pmb->mb; + struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; + + + /* Check for error */ + if (mb->mbxStatus) { + /* READ_SPARAM mbox error state */ + lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, + "%d:0319 READ_SPARAM mbxStatus error x%x " + "hba state x%x>\n", + phba->brd_no, mb->mbxStatus, phba->hba_state); + + lpfc_linkdown(phba); + phba->hba_state = LPFC_HBA_ERROR; + goto out; + } + + memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt, + sizeof (struct serv_parm)); + memcpy((uint8_t *) & phba->fc_nodename, + (uint8_t *) & phba->fc_sparam.nodeName, + sizeof (struct lpfc_name)); + memcpy((uint8_t *) & phba->fc_portname, + (uint8_t *) & phba->fc_sparam.portName, + sizeof (struct lpfc_name)); + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + mempool_free( pmb, phba->mbox_mem_pool); + return; + +out: + pmb->context1 = NULL; + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + if (phba->hba_state != LPFC_CLEAR_LA) { + lpfc_clear_la(phba, pmb); + pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la; + if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)) + == MBX_NOT_FINISHED) { + mempool_free( pmb, phba->mbox_mem_pool); + lpfc_disc_flush_list(phba); + psli->ring[(psli->ip_ring)].flag &= + ~LPFC_STOP_IOCB_EVENT; + psli->ring[(psli->fcp_ring)].flag &= + ~LPFC_STOP_IOCB_EVENT; + psli->ring[(psli->next_ring)].flag &= + ~LPFC_STOP_IOCB_EVENT; + phba->hba_state = LPFC_HBA_READY; + } + } else { + mempool_free( pmb, phba->mbox_mem_pool); + } + return; +} + +static void +lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) +{ + int i; + LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox; + sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + + spin_lock_irq(phba->host->host_lock); + switch(la->UlnkSpeed) { + case LA_1GHZ_LINK: + phba->fc_linkspeed = LA_1GHZ_LINK; + break; + case LA_2GHZ_LINK: + phba->fc_linkspeed = LA_2GHZ_LINK; + break; + case LA_4GHZ_LINK: + phba->fc_linkspeed = LA_4GHZ_LINK; + break; + default: + phba->fc_linkspeed = LA_UNKNW_LINK; + break; + } + + phba->fc_topology = la->topology; + + if (phba->fc_topology == TOPOLOGY_LOOP) { + /* Get Loop Map information */ + + if (la->il) + phba->fc_flag |= FC_LBIT; + + phba->fc_myDID = la->granted_AL_PA; + i = la->un.lilpBde64.tus.f.bdeSize; + + if (i == 0) { + phba->alpa_map[0] = 0; + } else { + if (phba->cfg_log_verbose & LOG_LINK_EVENT) { + int numalpa, j, k; + union { + uint8_t pamap[16]; + struct { + uint32_t wd1; + uint32_t wd2; + uint32_t wd3; + uint32_t wd4; + } pa; + } un; + numalpa = phba->alpa_map[0]; + j = 0; + while (j < numalpa) { + memset(un.pamap, 0, 16); + for (k = 1; j < numalpa; k++) { + un.pamap[k - 1] = + phba->alpa_map[j + 1]; + j++; + if (k == 16) + break; + } + /* Link Up Event ALPA map */ + lpfc_printf_log(phba, + KERN_WARNING, + LOG_LINK_EVENT, + "%d:1304 Link Up Event " + "ALPA map Data: x%x " + "x%x x%x x%x\n", + phba->brd_no, + un.pa.wd1, un.pa.wd2, + un.pa.wd3, un.pa.wd4); + } + } + } + } else { + phba->fc_myDID = phba->fc_pref_DID; + phba->fc_flag |= FC_LBIT; + } + spin_unlock_irq(phba->host->host_lock); + + lpfc_linkup(phba); + if (sparam_mbox) { + lpfc_read_sparam(phba, sparam_mbox); + sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; + lpfc_sli_issue_mbox(phba, sparam_mbox, + (MBX_NOWAIT | MBX_STOP_IOCB)); + } + + if (cfglink_mbox) { + phba->hba_state = LPFC_LOCAL_CFG_LINK; + lpfc_config_link(phba, cfglink_mbox); + cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_config_link; + lpfc_sli_issue_mbox(phba, cfglink_mbox, + (MBX_NOWAIT | MBX_STOP_IOCB)); + } +} + +static void +lpfc_mbx_issue_link_down(struct lpfc_hba *phba) { + uint32_t control; + struct lpfc_sli *psli = &phba->sli; + + lpfc_linkdown(phba); + + /* turn on Link Attention interrupts - no CLEAR_LA needed */ + spin_lock_irq(phba->host->host_lock); + psli->sli_flag |= LPFC_PROCESS_LA; + control = readl(phba->HCregaddr); + control |= HC_LAINT_ENA; + writel(control, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + spin_unlock_irq(phba->host->host_lock); +} + +/* + * This routine handles processing a READ_LA mailbox + * command upon completion. It is setup in the LPFC_MBOXQ + * as the completion routine when the command is + * handed off to the SLI layer. + */ +void +lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +{ + READ_LA_VAR *la; + MAILBOX_t *mb = &pmb->mb; + struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); + + /* Check for error */ + if (mb->mbxStatus) { + lpfc_printf_log(phba, + KERN_INFO, + LOG_LINK_EVENT, + "%d:1307 READ_LA mbox error x%x state x%x\n", + phba->brd_no, + mb->mbxStatus, phba->hba_state); + lpfc_mbx_issue_link_down(phba); + phba->hba_state = LPFC_HBA_ERROR; + goto lpfc_mbx_cmpl_read_la_free_mbuf; + } + + la = (READ_LA_VAR *) & pmb->mb.un.varReadLA; + + memcpy(&phba->alpa_map[0], mp->virt, 128); + + if (((phba->fc_eventTag + 1) < la->eventTag) || + (phba->fc_eventTag == la->eventTag)) { + phba->fc_stat.LinkMultiEvent++; + if (la->attType == AT_LINK_UP) { + if (phba->fc_eventTag != 0) + lpfc_linkdown(phba); + } + } + + phba->fc_eventTag = la->eventTag; + + if (la->attType == AT_LINK_UP) { + phba->fc_stat.LinkUp++; + lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, + "%d:1303 Link Up Event x%x received " + "Data: x%x x%x x%x x%x\n", + phba->brd_no, la->eventTag, phba->fc_eventTag, + la->granted_AL_PA, la->UlnkSpeed, + phba->alpa_map[0]); + lpfc_mbx_process_link_up(phba, la); + } else { + phba->fc_stat.LinkDown++; + lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, + "%d:1305 Link Down Event x%x received " + "Data: x%x x%x x%x\n", + phba->brd_no, la->eventTag, phba->fc_eventTag, + phba->hba_state, phba->fc_flag); + lpfc_mbx_issue_link_down(phba); + } + +lpfc_mbx_cmpl_read_la_free_mbuf: + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + mempool_free(pmb, phba->mbox_mem_pool); + return; +} + +/* + * This routine handles processing a REG_LOGIN mailbox + * command upon completion. It is setup in the LPFC_MBOXQ + * as the completion routine when the command is + * handed off to the SLI layer. + */ +void +lpfc_mbx_cmpl_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +{ + struct lpfc_sli *psli; + MAILBOX_t *mb; + struct lpfc_dmabuf *mp; + struct lpfc_nodelist *ndlp; + + psli = &phba->sli; + mb = &pmb->mb; + + ndlp = (struct lpfc_nodelist *) pmb->context2; + mp = (struct lpfc_dmabuf *) (pmb->context1); + + pmb->context1 = NULL; + + /* Good status, call state machine */ + lpfc_disc_state_machine(phba, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN); + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + mempool_free( pmb, phba->mbox_mem_pool); + + return; +} + +/* + * This routine handles processing a Fabric REG_LOGIN mailbox + * command upon completion. It is setup in the LPFC_MBOXQ + * as the completion routine when the command is + * handed off to the SLI layer. + */ +void +lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +{ + struct lpfc_sli *psli; + MAILBOX_t *mb; + struct lpfc_dmabuf *mp; + struct lpfc_nodelist *ndlp; + struct lpfc_nodelist *ndlp_fdmi; + + + psli = &phba->sli; + mb = &pmb->mb; + + ndlp = (struct lpfc_nodelist *) pmb->context2; + mp = (struct lpfc_dmabuf *) (pmb->context1); + + if (mb->mbxStatus) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + mempool_free( pmb, phba->mbox_mem_pool); + mempool_free( ndlp, phba->nlp_mem_pool); + + /* FLOGI failed, so just use loop map to make discovery list */ + lpfc_disc_list_loopmap(phba); + + /* Start discovery */ + lpfc_disc_start(phba); + return; + } + + pmb->context1 = NULL; + + if (ndlp->nlp_rpi != 0) + lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi); + ndlp->nlp_rpi = mb->un.varWords[0]; + lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi); + ndlp->nlp_type |= NLP_FABRIC; + ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + + if (phba->hba_state == LPFC_FABRIC_CFG_LINK) { + /* This NPort has been assigned an NPort_ID by the fabric as a + * result of the completed fabric login. Issue a State Change + * Registration (SCR) ELS request to the fabric controller + * (SCR_DID) so that this NPort gets RSCN events from the + * fabric. + */ + lpfc_issue_els_scr(phba, SCR_DID, 0); + + /* Allocate a new node instance. If the pool is empty, just + * start the discovery process and skip the Nameserver login + * process. This is attempted again later on. Otherwise, issue + * a Port Login (PLOGI) to the NameServer + */ + if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL)) + == 0) { + lpfc_disc_start(phba); + } else { + lpfc_nlp_init(phba, ndlp, NameServer_DID); + ndlp->nlp_type |= NLP_FABRIC; + ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_issue_els_plogi(phba, ndlp, 0); + if (phba->cfg_fdmi_on) { + if ((ndlp_fdmi = mempool_alloc( + phba->nlp_mem_pool, + GFP_KERNEL))) { + lpfc_nlp_init(phba, ndlp_fdmi, + FDMI_DID); + ndlp_fdmi->nlp_type |= NLP_FABRIC; + ndlp_fdmi->nlp_state = + NLP_STE_PLOGI_ISSUE; + lpfc_issue_els_plogi(phba, ndlp_fdmi, + 0); + } + } + } + } + + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + mempool_free( pmb, phba->mbox_mem_pool); + + return; +} + +/* + * This routine handles processing a NameServer REG_LOGIN mailbox + * command upon completion. It is setup in the LPFC_MBOXQ + * as the completion routine when the command is + * handed off to the SLI layer. + */ +void +lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +{ + struct lpfc_sli *psli; + MAILBOX_t *mb; + struct lpfc_dmabuf *mp; + struct lpfc_nodelist *ndlp; + + psli = &phba->sli; + mb = &pmb->mb; + + ndlp = (struct lpfc_nodelist *) pmb->context2; + mp = (struct lpfc_dmabuf *) (pmb->context1); + + if (mb->mbxStatus) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + mempool_free( pmb, phba->mbox_mem_pool); + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + + /* RegLogin failed, so just use loop map to make discovery + list */ + lpfc_disc_list_loopmap(phba); + + /* Start discovery */ + lpfc_disc_start(phba); + return; + } + + pmb->context1 = NULL; + + if (ndlp->nlp_rpi != 0) + lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi); + ndlp->nlp_rpi = mb->un.varWords[0]; + lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi); + ndlp->nlp_type |= NLP_FABRIC; + ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + + if (phba->hba_state < LPFC_HBA_READY) { + /* Link up discovery requires Fabrib registration. */ + lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID); + lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN); + lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID); + } + + phba->fc_ns_retry = 0; + /* Good status, issue CT Request to NameServer */ + if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT)) { + /* Cannot issue NameServer Query, so finish up discovery */ + lpfc_disc_start(phba); + } + + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + mempool_free( pmb, phba->mbox_mem_pool); + + return; +} + +static void +lpfc_register_remote_port(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp) +{ + struct fc_rport *rport; + struct lpfc_rport_data *rdata; + struct fc_rport_identifiers rport_ids; + uint64_t wwn; + + /* Remote port has reappeared. Re-register w/ FC transport */ + memcpy(&wwn, &ndlp->nlp_nodename, sizeof(uint64_t)); + rport_ids.node_name = be64_to_cpu(wwn); + memcpy(&wwn, &ndlp->nlp_portname, sizeof(uint64_t)); + rport_ids.port_name = be64_to_cpu(wwn); + rport_ids.port_id = ndlp->nlp_DID; + rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; + if (ndlp->nlp_type & NLP_FCP_TARGET) + rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; + if (ndlp->nlp_type & NLP_FCP_INITIATOR) + rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; + + ndlp->rport = rport = fc_remote_port_add(phba->host, 0, &rport_ids); + if (!rport) { + dev_printk(KERN_WARNING, &phba->pcidev->dev, + "Warning: fc_remote_port_add failed\n"); + return; + } + + /* initialize static port data */ + rport->maxframe_size = ndlp->nlp_maxframe; + rport->supported_classes = ndlp->nlp_class_sup; + if ((rport->scsi_target_id != -1) && + (rport->scsi_target_id < MAX_FCP_TARGET)) { + ndlp->nlp_sid = rport->scsi_target_id; + } + rdata = rport->dd_data; + rdata->pnode = ndlp; + + return; +} + +int +lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list) +{ + enum { none, unmapped, mapped } rport_add = none, rport_del = none; + struct lpfc_sli *psli; + + psli = &phba->sli; + /* Sanity check to ensure we are not moving to / from the same list */ + if ((nlp->nlp_flag & NLP_LIST_MASK) == list) { + if (list != NLP_NO_LIST) + return(0); + } + + switch(nlp->nlp_flag & NLP_LIST_MASK) { + case NLP_NO_LIST: /* Not on any list */ + break; + case NLP_UNUSED_LIST: + phba->fc_unused_cnt--; + list_del(&nlp->nlp_listp); + break; + case NLP_PLOGI_LIST: + phba->fc_plogi_cnt--; + list_del(&nlp->nlp_listp); + break; + case NLP_ADISC_LIST: + phba->fc_adisc_cnt--; + list_del(&nlp->nlp_listp); + break; + case NLP_REGLOGIN_LIST: + phba->fc_reglogin_cnt--; + list_del(&nlp->nlp_listp); + break; + case NLP_PRLI_LIST: + phba->fc_prli_cnt--; + list_del(&nlp->nlp_listp); + break; + case NLP_UNMAPPED_LIST: + phba->fc_unmap_cnt--; + list_del(&nlp->nlp_listp); + spin_lock_irq(phba->host->host_lock); + nlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; + nlp->nlp_type &= ~NLP_FC_NODE; + spin_unlock_irq(phba->host->host_lock); + phba->nport_event_cnt++; + if (nlp->rport) + rport_del = unmapped; + break; + case NLP_MAPPED_LIST: + phba->fc_map_cnt--; + list_del(&nlp->nlp_listp); + phba->nport_event_cnt++; + if (nlp->rport) + rport_del = mapped; + break; + case NLP_NPR_LIST: + phba->fc_npr_cnt--; + list_del(&nlp->nlp_listp); + /* Stop delay tmo if taking node off NPR list */ + if ((nlp->nlp_flag & NLP_DELAY_TMO) && + (list != NLP_NPR_LIST)) { + spin_lock_irq(phba->host->host_lock); + nlp->nlp_flag &= ~NLP_DELAY_TMO; + spin_unlock_irq(phba->host->host_lock); + del_timer_sync(&nlp->nlp_delayfunc); + if (!list_empty(&nlp->els_retry_evt.evt_listp)) + list_del_init(&nlp->els_retry_evt.evt_listp); + } + break; + } + + spin_lock_irq(phba->host->host_lock); + nlp->nlp_flag &= ~NLP_LIST_MASK; + spin_unlock_irq(phba->host->host_lock); + + /* Add NPort to list */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_NODE, + "%d:0904 Add NPort x%x to %d list Data: x%x\n", + phba->brd_no, + nlp->nlp_DID, list, nlp->nlp_flag); + + switch(list) { + case NLP_NO_LIST: /* No list, just remove it */ + lpfc_nlp_remove(phba, nlp); + break; + case NLP_UNUSED_LIST: + spin_lock_irq(phba->host->host_lock); + nlp->nlp_flag |= list; + spin_unlock_irq(phba->host->host_lock); + /* Put it at the end of the unused list */ + list_add_tail(&nlp->nlp_listp, &phba->fc_unused_list); + phba->fc_unused_cnt++; + break; + case NLP_PLOGI_LIST: + spin_lock_irq(phba->host->host_lock); + nlp->nlp_flag |= list; + spin_unlock_irq(phba->host->host_lock); + /* Put it at the end of the plogi list */ + list_add_tail(&nlp->nlp_listp, &phba->fc_plogi_list); + phba->fc_plogi_cnt++; + break; + case NLP_ADISC_LIST: + spin_lock_irq(phba->host->host_lock); + nlp->nlp_flag |= list; + spin_unlock_irq(phba->host->host_lock); + /* Put it at the end of the adisc list */ + list_add_tail(&nlp->nlp_listp, &phba->fc_adisc_list); + phba->fc_adisc_cnt++; + break; + case NLP_REGLOGIN_LIST: + spin_lock_irq(phba->host->host_lock); + nlp->nlp_flag |= list; + spin_unlock_irq(phba->host->host_lock); + /* Put it at the end of the reglogin list */ + list_add_tail(&nlp->nlp_listp, &phba->fc_reglogin_list); + phba->fc_reglogin_cnt++; + break; + case NLP_PRLI_LIST: + spin_lock_irq(phba->host->host_lock); + nlp->nlp_flag |= list; + spin_unlock_irq(phba->host->host_lock); + /* Put it at the end of the prli list */ + list_add_tail(&nlp->nlp_listp, &phba->fc_prli_list); + phba->fc_prli_cnt++; + break; + case NLP_UNMAPPED_LIST: + rport_add = unmapped; + /* ensure all vestiges of "mapped" significance are gone */ + nlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); + spin_lock_irq(phba->host->host_lock); + nlp->nlp_flag |= list; + spin_unlock_irq(phba->host->host_lock); + /* Put it at the end of the unmap list */ + list_add_tail(&nlp->nlp_listp, &phba->fc_nlpunmap_list); + phba->fc_unmap_cnt++; + phba->nport_event_cnt++; + /* stop nodev tmo if running */ + if (nlp->nlp_flag & NLP_NODEV_TMO) { + spin_lock_irq(phba->host->host_lock); + nlp->nlp_flag &= ~NLP_NODEV_TMO; + spin_unlock_irq(phba->host->host_lock); + del_timer_sync(&nlp->nlp_tmofunc); + if (!list_empty(&nlp->nodev_timeout_evt.evt_listp)) + list_del_init(&nlp->nodev_timeout_evt. + evt_listp); + + } + nlp->nlp_type |= NLP_FC_NODE; + break; + case NLP_MAPPED_LIST: + rport_add = mapped; + spin_lock_irq(phba->host->host_lock); + nlp->nlp_flag |= list; + spin_unlock_irq(phba->host->host_lock); + /* Put it at the end of the map list */ + list_add_tail(&nlp->nlp_listp, &phba->fc_nlpmap_list); + phba->fc_map_cnt++; + phba->nport_event_cnt++; + /* stop nodev tmo if running */ + if (nlp->nlp_flag & NLP_NODEV_TMO) { + nlp->nlp_flag &= ~NLP_NODEV_TMO; + del_timer_sync(&nlp->nlp_tmofunc); + if (!list_empty(&nlp->nodev_timeout_evt.evt_listp)) + list_del_init(&nlp->nodev_timeout_evt. + evt_listp); + + } + break; + case NLP_NPR_LIST: + spin_lock_irq(phba->host->host_lock); + nlp->nlp_flag |= list; + spin_unlock_irq(phba->host->host_lock); + /* Put it at the end of the npr list */ + list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list); + phba->fc_npr_cnt++; + + /* + * Sanity check for Fabric entity. + * Set nodev_tmo for NPR state, for Fabric use 1 sec. + */ + if (nlp->nlp_type & NLP_FABRIC) { + mod_timer(&nlp->nlp_tmofunc, jiffies + HZ); + } + else { + mod_timer(&nlp->nlp_tmofunc, + jiffies + HZ * phba->cfg_nodev_tmo); + } + spin_lock_irq(phba->host->host_lock); + nlp->nlp_flag |= NLP_NODEV_TMO; + nlp->nlp_flag &= ~NLP_RCV_PLOGI; + spin_unlock_irq(phba->host->host_lock); + break; + case NLP_JUST_DQ: + break; + } + + /* + * We make all the calls into the transport after we have + * moved the node between lists. This so that we don't + * release the lock while in-between lists. + */ + + /* Don't upcall midlayer if we're unloading */ + if (!(phba->fc_flag & FC_UNLOADING)) { + /* + * We revalidate the rport pointer as the "add" function + * may have removed the remote port. + */ + if ((rport_del != none) && nlp->rport) + fc_remote_port_block(nlp->rport); + + if (rport_add != none) { + /* + * Tell the fc transport about the port, if we haven't + * already. If we have, and it's a scsi entity, be + * sure to unblock any attached scsi devices + */ + if (!nlp->rport) + lpfc_register_remote_port(phba, nlp); + else + fc_remote_port_unblock(nlp->rport); + + /* + * if we added to Mapped list, but the remote port + * registration failed or assigned a target id outside + * our presentable range - move the node to the + * Unmapped List + */ + if ((rport_add == mapped) && + ((!nlp->rport) || + (nlp->rport->scsi_target_id == -1) || + (nlp->rport->scsi_target_id >= MAX_FCP_TARGET))) { + nlp->nlp_state = NLP_STE_UNMAPPED_NODE; + spin_lock_irq(phba->host->host_lock); + nlp->nlp_flag |= NLP_TGT_NO_SCSIID; + spin_unlock_irq(phba->host->host_lock); + lpfc_nlp_list(phba, nlp, NLP_UNMAPPED_LIST); + } + } + } + return (0); +} + +/* + * Start / ReStart rescue timer for Discovery / RSCN handling + */ +void +lpfc_set_disctmo(struct lpfc_hba * phba) +{ + uint32_t tmo; + + tmo = ((phba->fc_ratov * 2) + 1); + + mod_timer(&phba->fc_disctmo, jiffies + HZ * tmo); + spin_lock_irq(phba->host->host_lock); + phba->fc_flag |= FC_DISC_TMO; + spin_unlock_irq(phba->host->host_lock); + + /* Start Discovery Timer state */ + lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, + "%d:0247 Start Discovery Timer state x%x " + "Data: x%x x%lx x%x x%x\n", + phba->brd_no, + phba->hba_state, tmo, (unsigned long)&phba->fc_disctmo, + phba->fc_plogi_cnt, phba->fc_adisc_cnt); + + return; +} + +/* + * Cancel rescue timer for Discovery / RSCN handling + */ +int +lpfc_can_disctmo(struct lpfc_hba * phba) +{ + /* Turn off discovery timer if its running */ + if (phba->fc_flag & FC_DISC_TMO) { + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~FC_DISC_TMO; + spin_unlock_irq(phba->host->host_lock); + del_timer_sync(&phba->fc_disctmo); + phba->work_hba_events &= ~WORKER_DISC_TMO; + } + + /* Cancel Discovery Timer state */ + lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, + "%d:0248 Cancel Discovery Timer state x%x " + "Data: x%x x%x x%x\n", + phba->brd_no, phba->hba_state, phba->fc_flag, + phba->fc_plogi_cnt, phba->fc_adisc_cnt); + + return (0); +} + +/* + * Check specified ring for outstanding IOCB on the SLI queue + * Return true if iocb matches the specified nport + */ +int +lpfc_check_sli_ndlp(struct lpfc_hba * phba, + struct lpfc_sli_ring * pring, + struct lpfc_iocbq * iocb, struct lpfc_nodelist * ndlp) +{ + struct lpfc_sli *psli; + IOCB_t *icmd; + + psli = &phba->sli; + icmd = &iocb->iocb; + if (pring->ringno == LPFC_ELS_RING) { + switch (icmd->ulpCommand) { + case CMD_GEN_REQUEST64_CR: + if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) + return (1); + case CMD_ELS_REQUEST64_CR: + case CMD_XMIT_ELS_RSP64_CX: + if (iocb->context1 == (uint8_t *) ndlp) + return (1); + } + } else if (pring->ringno == psli->ip_ring) { + + } else if (pring->ringno == psli->fcp_ring) { + /* Skip match check if waiting to relogin to FCP target */ + if ((ndlp->nlp_type & NLP_FCP_TARGET) && + (ndlp->nlp_flag & NLP_DELAY_TMO)) { + return (0); + } + if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { + return (1); + } + } else if (pring->ringno == psli->next_ring) { + + } + return (0); +} + +/* + * Free resources / clean up outstanding I/Os + * associated with nlp_rpi in the LPFC_NODELIST entry. + */ +static int +lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) +{ + struct lpfc_sli *psli; + struct lpfc_sli_ring *pring; + struct lpfc_iocbq *iocb, *next_iocb; + IOCB_t *icmd; + uint32_t rpi, i; + + /* + * Everything that matches on txcmplq will be returned + * by firmware with a no rpi error. + */ + psli = &phba->sli; + rpi = ndlp->nlp_rpi; + if (rpi) { + /* Now process each ring */ + for (i = 0; i < psli->num_rings; i++) { + pring = &psli->ring[i]; + + spin_lock_irq(phba->host->host_lock); + list_for_each_entry_safe(iocb, next_iocb, &pring->txq, + list) { + /* + * Check to see if iocb matches the nport we are + * looking for + */ + if ((lpfc_check_sli_ndlp + (phba, pring, iocb, ndlp))) { + /* It matches, so deque and call compl + with an error */ + list_del(&iocb->list); + pring->txq_cnt--; + if (iocb->iocb_cmpl) { + icmd = &iocb->iocb; + icmd->ulpStatus = + IOSTAT_LOCAL_REJECT; + icmd->un.ulpWord[4] = + IOERR_SLI_ABORTED; + spin_unlock_irq(phba->host-> + host_lock); + (iocb->iocb_cmpl) (phba, + iocb, iocb); + spin_lock_irq(phba->host-> + host_lock); + } else { + list_add_tail(&iocb->list, + &phba->lpfc_iocb_list); + } + } + } + spin_unlock_irq(phba->host->host_lock); + + } + } + return (0); +} + +/* + * Free rpi associated with LPFC_NODELIST entry. + * This routine is called from lpfc_freenode(), when we are removing + * a LPFC_NODELIST entry. It is also called if the driver initiates a + * LOGO that completes successfully, and we are waiting to PLOGI back + * to the remote NPort. In addition, it is called after we receive + * and unsolicated ELS cmd, send back a rsp, the rsp completes and + * we are waiting to PLOGI back to the remote NPort. + */ +int +lpfc_unreg_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) +{ + LPFC_MBOXQ_t *mbox; + int rc; + + if (ndlp->nlp_rpi) { + if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { + lpfc_unreg_login(phba, ndlp->nlp_rpi, mbox); + mbox->mbox_cmpl=lpfc_sli_def_mbox_cmpl; + rc = lpfc_sli_issue_mbox + (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); + if (rc == MBX_NOT_FINISHED) + mempool_free( mbox, phba->mbox_mem_pool); + } + lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi); + lpfc_no_rpi(phba, ndlp); + ndlp->nlp_rpi = 0; + return 1; + } + return 0; +} + +/* + * Free resources associated with LPFC_NODELIST entry + * so it can be freed. + */ +static int +lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) +{ + LPFC_MBOXQ_t *mb; + LPFC_MBOXQ_t *nextmb; + struct lpfc_dmabuf *mp; + struct fc_rport *rport; + + /* Cleanup node for NPort */ + lpfc_printf_log(phba, KERN_INFO, LOG_NODE, + "%d:0900 Cleanup node for NPort x%x " + "Data: x%x x%x x%x\n", + phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, + ndlp->nlp_state, ndlp->nlp_rpi); + + lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ); + + /* + * if unloading the driver - just leave the remote port in place. + * The driver unload will force the attached devices to detach + * and flush cache's w/o generating flush errors. + */ + if ((ndlp->rport) && !(phba->fc_flag & FC_UNLOADING)) { + rport = ndlp->rport; + ndlp->rport = NULL; + fc_remote_port_unblock(rport); + fc_remote_port_delete(rport); + ndlp->nlp_sid = NLP_NO_SID; + } + + /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ + if ((mb = phba->sli.mbox_active)) { + if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && + (ndlp == (struct lpfc_nodelist *) mb->context2)) { + mb->context2 = NULL; + mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + } + } + list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { + if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && + (ndlp == (struct lpfc_nodelist *) mb->context2)) { + mp = (struct lpfc_dmabuf *) (mb->context1); + if (mp) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + } + list_del(&mb->list); + mempool_free(mb, phba->mbox_mem_pool); + } + } + + lpfc_els_abort(phba,ndlp,0); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~(NLP_NODEV_TMO|NLP_DELAY_TMO); + spin_unlock_irq(phba->host->host_lock); + del_timer_sync(&ndlp->nlp_tmofunc); + + del_timer_sync(&ndlp->nlp_delayfunc); + + if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp)) + list_del_init(&ndlp->nodev_timeout_evt.evt_listp); + if (!list_empty(&ndlp->els_retry_evt.evt_listp)) + list_del_init(&ndlp->els_retry_evt.evt_listp); + + lpfc_unreg_rpi(phba, ndlp); + + return (0); +} + +/* + * Check to see if we can free the nlp back to the freelist. + * If we are in the middle of using the nlp in the discovery state + * machine, defer the free till we reach the end of the state machine. + */ +int +lpfc_nlp_remove(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) +{ + if (ndlp->nlp_flag & NLP_NODEV_TMO) { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NODEV_TMO; + spin_unlock_irq(phba->host->host_lock); + del_timer_sync(&ndlp->nlp_tmofunc); + if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp)) + list_del_init(&ndlp->nodev_timeout_evt.evt_listp); + + } + + + if (ndlp->nlp_flag & NLP_DELAY_TMO) { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_DELAY_TMO; + spin_unlock_irq(phba->host->host_lock); + del_timer_sync(&ndlp->nlp_delayfunc); + if (!list_empty(&ndlp->els_retry_evt.evt_listp)) + list_del_init(&ndlp->els_retry_evt.evt_listp); + } + + if (ndlp->nlp_disc_refcnt) { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_DELAY_REMOVE; + spin_unlock_irq(phba->host->host_lock); + } + else { + lpfc_freenode(phba, ndlp); + mempool_free( ndlp, phba->nlp_mem_pool); + } + return(0); +} + +static int +lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did) +{ + D_ID mydid; + D_ID ndlpdid; + D_ID matchdid; + + if (did == Bcast_DID) + return (0); + + if (ndlp->nlp_DID == 0) { + return (0); + } + + /* First check for Direct match */ + if (ndlp->nlp_DID == did) + return (1); + + /* Next check for area/domain identically equals 0 match */ + mydid.un.word = phba->fc_myDID; + if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { + return (0); + } + + matchdid.un.word = did; + ndlpdid.un.word = ndlp->nlp_DID; + if (matchdid.un.b.id == ndlpdid.un.b.id) { + if ((mydid.un.b.domain == matchdid.un.b.domain) && + (mydid.un.b.area == matchdid.un.b.area)) { + if ((ndlpdid.un.b.domain == 0) && + (ndlpdid.un.b.area == 0)) { + if (ndlpdid.un.b.id) + return (1); + } + return (0); + } + + matchdid.un.word = ndlp->nlp_DID; + if ((mydid.un.b.domain == ndlpdid.un.b.domain) && + (mydid.un.b.area == ndlpdid.un.b.area)) { + if ((matchdid.un.b.domain == 0) && + (matchdid.un.b.area == 0)) { + if (matchdid.un.b.id) + return (1); + } + } + } + return (0); +} + +/* Search for a nodelist entry on a specific list */ +struct lpfc_nodelist * +lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did) +{ + struct lpfc_nodelist *ndlp, *next_ndlp; + uint32_t data1; + + if (order & NLP_SEARCH_UNMAPPED) { + list_for_each_entry_safe(ndlp, next_ndlp, + &phba->fc_nlpunmap_list, nlp_listp) { + if (lpfc_matchdid(phba, ndlp, did)) { + data1 = (((uint32_t) ndlp->nlp_state << 24) | + ((uint32_t) ndlp->nlp_xri << 16) | + ((uint32_t) ndlp->nlp_type << 8) | + ((uint32_t) ndlp->nlp_rpi & 0xff)); + /* FIND node DID unmapped */ + lpfc_printf_log(phba, KERN_INFO, LOG_NODE, + "%d:0929 FIND node DID unmapped" + " Data: x%p x%x x%x x%x\n", + phba->brd_no, + ndlp, ndlp->nlp_DID, + ndlp->nlp_flag, data1); + return (ndlp); + } + } + } + + if (order & NLP_SEARCH_MAPPED) { + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list, + nlp_listp) { + if (lpfc_matchdid(phba, ndlp, did)) { + + data1 = (((uint32_t) ndlp->nlp_state << 24) | + ((uint32_t) ndlp->nlp_xri << 16) | + ((uint32_t) ndlp->nlp_type << 8) | + ((uint32_t) ndlp->nlp_rpi & 0xff)); + /* FIND node DID mapped */ + lpfc_printf_log(phba, KERN_INFO, LOG_NODE, + "%d:0930 FIND node DID mapped " + "Data: x%p x%x x%x x%x\n", + phba->brd_no, + ndlp, ndlp->nlp_DID, + ndlp->nlp_flag, data1); + return (ndlp); + } + } + } + + if (order & NLP_SEARCH_PLOGI) { + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, + nlp_listp) { + if (lpfc_matchdid(phba, ndlp, did)) { + + data1 = (((uint32_t) ndlp->nlp_state << 24) | + ((uint32_t) ndlp->nlp_xri << 16) | + ((uint32_t) ndlp->nlp_type << 8) | + ((uint32_t) ndlp->nlp_rpi & 0xff)); + /* LOG change to PLOGI */ + /* FIND node DID plogi */ + lpfc_printf_log(phba, KERN_INFO, LOG_NODE, + "%d:0908 FIND node DID plogi " + "Data: x%p x%x x%x x%x\n", + phba->brd_no, + ndlp, ndlp->nlp_DID, + ndlp->nlp_flag, data1); + return (ndlp); + } + } + } + + if (order & NLP_SEARCH_ADISC) { + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, + nlp_listp) { + if (lpfc_matchdid(phba, ndlp, did)) { + + data1 = (((uint32_t) ndlp->nlp_state << 24) | + ((uint32_t) ndlp->nlp_xri << 16) | + ((uint32_t) ndlp->nlp_type << 8) | + ((uint32_t) ndlp->nlp_rpi & 0xff)); + /* LOG change to ADISC */ + /* FIND node DID adisc */ + lpfc_printf_log(phba, KERN_INFO, LOG_NODE, + "%d:0931 FIND node DID adisc " + "Data: x%p x%x x%x x%x\n", + phba->brd_no, + ndlp, ndlp->nlp_DID, + ndlp->nlp_flag, data1); + return (ndlp); + } + } + } + + if (order & NLP_SEARCH_REGLOGIN) { + list_for_each_entry_safe(ndlp, next_ndlp, + &phba->fc_reglogin_list, nlp_listp) { + if (lpfc_matchdid(phba, ndlp, did)) { + + data1 = (((uint32_t) ndlp->nlp_state << 24) | + ((uint32_t) ndlp->nlp_xri << 16) | + ((uint32_t) ndlp->nlp_type << 8) | + ((uint32_t) ndlp->nlp_rpi & 0xff)); + /* LOG change to REGLOGIN */ + /* FIND node DID reglogin */ + lpfc_printf_log(phba, KERN_INFO, LOG_NODE, + "%d:0931 FIND node DID reglogin" + " Data: x%p x%x x%x x%x\n", + phba->brd_no, + ndlp, ndlp->nlp_DID, + ndlp->nlp_flag, data1); + return (ndlp); + } + } + } + + if (order & NLP_SEARCH_PRLI) { + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list, + nlp_listp) { + if (lpfc_matchdid(phba, ndlp, did)) { + + data1 = (((uint32_t) ndlp->nlp_state << 24) | + ((uint32_t) ndlp->nlp_xri << 16) | + ((uint32_t) ndlp->nlp_type << 8) | + ((uint32_t) ndlp->nlp_rpi & 0xff)); + /* LOG change to PRLI */ + /* FIND node DID prli */ + lpfc_printf_log(phba, KERN_INFO, LOG_NODE, + "%d:0931 FIND node DID prli " + "Data: x%p x%x x%x x%x\n", + phba->brd_no, + ndlp, ndlp->nlp_DID, + ndlp->nlp_flag, data1); + return (ndlp); + } + } + } + + if (order & NLP_SEARCH_NPR) { + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, + nlp_listp) { + if (lpfc_matchdid(phba, ndlp, did)) { + + data1 = (((uint32_t) ndlp->nlp_state << 24) | + ((uint32_t) ndlp->nlp_xri << 16) | + ((uint32_t) ndlp->nlp_type << 8) | + ((uint32_t) ndlp->nlp_rpi & 0xff)); + /* LOG change to NPR */ + /* FIND node DID npr */ + lpfc_printf_log(phba, KERN_INFO, LOG_NODE, + "%d:0931 FIND node DID npr " + "Data: x%p x%x x%x x%x\n", + phba->brd_no, + ndlp, ndlp->nlp_DID, + ndlp->nlp_flag, data1); + return (ndlp); + } + } + } + + if (order & NLP_SEARCH_UNUSED) { + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, + nlp_listp) { + if (lpfc_matchdid(phba, ndlp, did)) { + + data1 = (((uint32_t) ndlp->nlp_state << 24) | + ((uint32_t) ndlp->nlp_xri << 16) | + ((uint32_t) ndlp->nlp_type << 8) | + ((uint32_t) ndlp->nlp_rpi & 0xff)); + /* LOG change to UNUSED */ + /* FIND node DID unused */ + lpfc_printf_log(phba, KERN_INFO, LOG_NODE, + "%d:0931 FIND node DID unused " + "Data: x%p x%x x%x x%x\n", + phba->brd_no, + ndlp, ndlp->nlp_DID, + ndlp->nlp_flag, data1); + return (ndlp); + } + } + } + + /* FIND node did NOT FOUND */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_NODE, + "%d:0932 FIND node did x%x NOT FOUND Data: x%x\n", + phba->brd_no, did, order); + + /* no match found */ + return NULL; +} + +struct lpfc_nodelist * +lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did) +{ + struct lpfc_nodelist *ndlp; + uint32_t flg; + + if ((ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did)) == 0) { + if ((phba->hba_state == LPFC_HBA_READY) && + ((lpfc_rscn_payload_check(phba, did) == 0))) + return NULL; + ndlp = (struct lpfc_nodelist *) + mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); + if (!ndlp) + return NULL; + lpfc_nlp_init(phba, ndlp, did); + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + ndlp->nlp_flag |= NLP_NPR_2B_DISC; + return ndlp; + } + if ((phba->hba_state == LPFC_HBA_READY) && + (phba->fc_flag & FC_RSCN_MODE)) { + if (lpfc_rscn_payload_check(phba, did)) { + ndlp->nlp_flag |= NLP_NPR_2B_DISC; + } + else { + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + ndlp = NULL; + } + } + else { + flg = ndlp->nlp_flag & NLP_LIST_MASK; + if ((flg == NLP_ADISC_LIST) || + (flg == NLP_PLOGI_LIST)) { + return NULL; + } + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + ndlp->nlp_flag |= NLP_NPR_2B_DISC; + } + return ndlp; +} + +/* Build a list of nodes to discover based on the loopmap */ +void +lpfc_disc_list_loopmap(struct lpfc_hba * phba) +{ + int j; + uint32_t alpa, index; + + if (phba->hba_state <= LPFC_LINK_DOWN) { + return; + } + if (phba->fc_topology != TOPOLOGY_LOOP) { + return; + } + + /* Check for loop map present or not */ + if (phba->alpa_map[0]) { + for (j = 1; j <= phba->alpa_map[0]; j++) { + alpa = phba->alpa_map[j]; + + if (((phba->fc_myDID & 0xff) == alpa) || (alpa == 0)) { + continue; + } + lpfc_setup_disc_node(phba, alpa); + } + } else { + /* No alpamap, so try all alpa's */ + for (j = 0; j < FC_MAXLOOP; j++) { + /* If cfg_scan_down is set, start from highest + * ALPA (0xef) to lowest (0x1). + */ + if (phba->cfg_scan_down) + index = j; + else + index = FC_MAXLOOP - j - 1; + alpa = lpfcAlpaArray[index]; + if ((phba->fc_myDID & 0xff) == alpa) { + continue; + } + + lpfc_setup_disc_node(phba, alpa); + } + } + return; +} + +/* Start Link up / RSCN discovery on NPR list */ +void +lpfc_disc_start(struct lpfc_hba * phba) +{ + struct lpfc_sli *psli; + LPFC_MBOXQ_t *mbox; + struct lpfc_nodelist *ndlp, *next_ndlp; + uint32_t did_changed, num_sent; + uint32_t clear_la_pending; + int rc; + + psli = &phba->sli; + + if (phba->hba_state <= LPFC_LINK_DOWN) { + return; + } + if (phba->hba_state == LPFC_CLEAR_LA) + clear_la_pending = 1; + else + clear_la_pending = 0; + + if (phba->hba_state < LPFC_HBA_READY) { + phba->hba_state = LPFC_DISC_AUTH; + } + lpfc_set_disctmo(phba); + + if (phba->fc_prevDID == phba->fc_myDID) { + did_changed = 0; + } else { + did_changed = 1; + } + phba->fc_prevDID = phba->fc_myDID; + phba->num_disc_nodes = 0; + + /* Start Discovery state */ + lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, + "%d:0202 Start Discovery hba state x%x " + "Data: x%x x%x x%x\n", + phba->brd_no, phba->hba_state, phba->fc_flag, + phba->fc_plogi_cnt, phba->fc_adisc_cnt); + + /* If our did changed, we MUST do PLOGI */ + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, + nlp_listp) { + if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { + if (did_changed) { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_ADISC; + spin_unlock_irq(phba->host->host_lock); + } + } + } + + /* First do ADISCs - if any */ + num_sent = lpfc_els_disc_adisc(phba); + + if (num_sent) + return; + + if ((phba->hba_state < LPFC_HBA_READY) && (!clear_la_pending)) { + /* If we get here, there is nothing to ADISC */ + if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { + phba->hba_state = LPFC_CLEAR_LA; + lpfc_clear_la(phba, mbox); + mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; + rc = lpfc_sli_issue_mbox(phba, mbox, + (MBX_NOWAIT | MBX_STOP_IOCB)); + if (rc == MBX_NOT_FINISHED) { + mempool_free( mbox, phba->mbox_mem_pool); + lpfc_disc_flush_list(phba); + psli->ring[(psli->ip_ring)].flag &= + ~LPFC_STOP_IOCB_EVENT; + psli->ring[(psli->fcp_ring)].flag &= + ~LPFC_STOP_IOCB_EVENT; + psli->ring[(psli->next_ring)].flag &= + ~LPFC_STOP_IOCB_EVENT; + phba->hba_state = LPFC_HBA_READY; + } + } + } else { + /* Next do PLOGIs - if any */ + num_sent = lpfc_els_disc_plogi(phba); + + if (num_sent) + return; + + if (phba->fc_flag & FC_RSCN_MODE) { + /* Check to see if more RSCNs came in while we + * were processing this one. + */ + if ((phba->fc_rscn_id_cnt == 0) && + (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~FC_RSCN_MODE; + spin_unlock_irq(phba->host->host_lock); + } + else + lpfc_els_handle_rscn(phba); + } + } + return; +} + +/* + * Ignore completion for all IOCBs on tx and txcmpl queue for ELS + * ring the match the sppecified nodelist. + */ +static void +lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) +{ + struct lpfc_sli *psli; + IOCB_t *icmd; + struct lpfc_iocbq *iocb, *next_iocb; + struct lpfc_sli_ring *pring; + struct lpfc_dmabuf *mp; + + psli = &phba->sli; + pring = &psli->ring[LPFC_ELS_RING]; + + /* Error matching iocb on txq or txcmplq + * First check the txq. + */ + list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { + if (iocb->context1 != ndlp) { + continue; + } + icmd = &iocb->iocb; + if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || + (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { + + list_del(&iocb->list); + pring->txq_cnt--; + lpfc_els_free_iocb(phba, iocb); + } + } + + /* Next check the txcmplq */ + list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { + if (iocb->context1 != ndlp) { + continue; + } + icmd = &iocb->iocb; + if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || + (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { + + iocb->iocb_cmpl = NULL; + /* context2 = cmd, context2->next = rsp, context3 = + bpl */ + if (iocb->context2) { + /* Free the response IOCB before handling the + command. */ + + mp = (struct lpfc_dmabuf *) (iocb->context2); + mp = list_get_first(&mp->list, + struct lpfc_dmabuf, + list); + if (mp) { + /* Delay before releasing rsp buffer to + * give UNREG mbox a chance to take + * effect. + */ + list_add(&mp->list, + &phba->freebufList); + } + lpfc_mbuf_free(phba, + ((struct lpfc_dmabuf *) + iocb->context2)->virt, + ((struct lpfc_dmabuf *) + iocb->context2)->phys); + kfree(iocb->context2); + } + + if (iocb->context3) { + lpfc_mbuf_free(phba, + ((struct lpfc_dmabuf *) + iocb->context3)->virt, + ((struct lpfc_dmabuf *) + iocb->context3)->phys); + kfree(iocb->context3); + } + } + } + + return; +} + +void +lpfc_disc_flush_list(struct lpfc_hba * phba) +{ + struct lpfc_nodelist *ndlp, *next_ndlp; + + if (phba->fc_plogi_cnt) { + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, + nlp_listp) { + lpfc_free_tx(phba, ndlp); + lpfc_nlp_remove(phba, ndlp); + } + } + if (phba->fc_adisc_cnt) { + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, + nlp_listp) { + lpfc_free_tx(phba, ndlp); + lpfc_nlp_remove(phba, ndlp); + } + } + return; +} + +/*****************************************************************************/ +/* + * NAME: lpfc_disc_timeout + * + * FUNCTION: Fibre Channel driver discovery timeout routine. + * + * EXECUTION ENVIRONMENT: interrupt only + * + * CALLED FROM: + * Timer function + * + * RETURNS: + * none + */ +/*****************************************************************************/ +void +lpfc_disc_timeout(unsigned long ptr) +{ + struct lpfc_hba *phba = (struct lpfc_hba *)ptr; + unsigned long flags = 0; + + if (unlikely(!phba)) + return; + + spin_lock_irqsave(phba->host->host_lock, flags); + if (!(phba->work_hba_events & WORKER_DISC_TMO)) { + phba->work_hba_events |= WORKER_DISC_TMO; + if (phba->work_wait) + wake_up(phba->work_wait); + } + spin_unlock_irqrestore(phba->host->host_lock, flags); + return; +} + +static void +lpfc_disc_timeout_handler(struct lpfc_hba *phba) +{ + struct lpfc_sli *psli; + struct lpfc_nodelist *ndlp; + LPFC_MBOXQ_t *clearlambox, *initlinkmbox; + int rc, clrlaerr = 0; + + if (unlikely(!phba)) + return; + + if (!(phba->fc_flag & FC_DISC_TMO)) + return; + + psli = &phba->sli; + + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~FC_DISC_TMO; + spin_unlock_irq(phba->host->host_lock); + + switch (phba->hba_state) { + + case LPFC_LOCAL_CFG_LINK: + /* hba_state is identically LPFC_LOCAL_CFG_LINK while waiting for FAN */ + /* FAN timeout */ + lpfc_printf_log(phba, + KERN_WARNING, + LOG_DISCOVERY, + "%d:0221 FAN timeout\n", + phba->brd_no); + + /* Forget about FAN, Start discovery by sending a FLOGI + * hba_state is identically LPFC_FLOGI while waiting for FLOGI + * cmpl + */ + phba->hba_state = LPFC_FLOGI; + lpfc_set_disctmo(phba); + lpfc_initial_flogi(phba); + break; + + case LPFC_FLOGI: + /* hba_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ + /* Initial FLOGI timeout */ + lpfc_printf_log(phba, + KERN_ERR, + LOG_DISCOVERY, + "%d:0222 Initial FLOGI timeout\n", + phba->brd_no); + + /* Assume no Fabric and go on with discovery. + * Check for outstanding ELS FLOGI to abort. + */ + + /* FLOGI failed, so just use loop map to make discovery list */ + lpfc_disc_list_loopmap(phba); + + /* Start discovery */ + lpfc_disc_start(phba); + break; + + case LPFC_FABRIC_CFG_LINK: + /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for + NameServer login */ + lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, + "%d:0223 Timeout while waiting for NameServer " + "login\n", phba->brd_no); + + /* Next look for NameServer ndlp */ + ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID); + if (ndlp) + lpfc_nlp_remove(phba, ndlp); + /* Start discovery */ + lpfc_disc_start(phba); + break; + + case LPFC_NS_QRY: + /* Check for wait for NameServer Rsp timeout */ + lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, + "%d:0224 NameServer Query timeout " + "Data: x%x x%x\n", + phba->brd_no, + phba->fc_ns_retry, LPFC_MAX_NS_RETRY); + + ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, + NameServer_DID); + if (ndlp) { + if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) { + /* Try it one more time */ + rc = lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT); + if (rc == 0) + break; + } + phba->fc_ns_retry = 0; + } + + /* Nothing to authenticate, so CLEAR_LA right now */ + clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!clearlambox) { + clrlaerr = 1; + lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, + "%d:0226 Device Discovery " + "completion error\n", + phba->brd_no); + phba->hba_state = LPFC_HBA_ERROR; + break; + } + + phba->hba_state = LPFC_CLEAR_LA; + lpfc_clear_la(phba, clearlambox); + clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; + rc = lpfc_sli_issue_mbox(phba, clearlambox, + (MBX_NOWAIT | MBX_STOP_IOCB)); + if (rc == MBX_NOT_FINISHED) { + mempool_free(clearlambox, phba->mbox_mem_pool); + clrlaerr = 1; + break; + } + + /* Setup and issue mailbox INITIALIZE LINK command */ + initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!initlinkmbox) { + lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, + "%d:0226 Device Discovery " + "completion error\n", + phba->brd_no); + phba->hba_state = LPFC_HBA_ERROR; + break; + } + + lpfc_linkdown(phba); + lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, + phba->cfg_link_speed); + initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0; + rc = lpfc_sli_issue_mbox(phba, initlinkmbox, + (MBX_NOWAIT | MBX_STOP_IOCB)); + if (rc == MBX_NOT_FINISHED) + mempool_free(initlinkmbox, phba->mbox_mem_pool); + + break; + + case LPFC_DISC_AUTH: + /* Node Authentication timeout */ + lpfc_printf_log(phba, + KERN_ERR, + LOG_DISCOVERY, + "%d:0227 Node Authentication timeout\n", + phba->brd_no); + lpfc_disc_flush_list(phba); + clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!clearlambox) { + clrlaerr = 1; + lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, + "%d:0226 Device Discovery " + "completion error\n", + phba->brd_no); + phba->hba_state = LPFC_HBA_ERROR; + break; + } + phba->hba_state = LPFC_CLEAR_LA; + lpfc_clear_la(phba, clearlambox); + clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; + rc = lpfc_sli_issue_mbox(phba, clearlambox, + (MBX_NOWAIT | MBX_STOP_IOCB)); + if (rc == MBX_NOT_FINISHED) { + mempool_free(clearlambox, phba->mbox_mem_pool); + clrlaerr = 1; + } + break; + + case LPFC_CLEAR_LA: + /* CLEAR LA timeout */ + lpfc_printf_log(phba, + KERN_ERR, + LOG_DISCOVERY, + "%d:0228 CLEAR LA timeout\n", + phba->brd_no); + clrlaerr = 1; + break; + + case LPFC_HBA_READY: + if (phba->fc_flag & FC_RSCN_MODE) { + lpfc_printf_log(phba, + KERN_ERR, + LOG_DISCOVERY, + "%d:0231 RSCN timeout Data: x%x x%x\n", + phba->brd_no, + phba->fc_ns_retry, LPFC_MAX_NS_RETRY); + + /* Cleanup any outstanding ELS commands */ + lpfc_els_flush_cmd(phba); + + lpfc_els_flush_rscn(phba); + lpfc_disc_flush_list(phba); + } + break; + } + + if (clrlaerr) { + lpfc_disc_flush_list(phba); + psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; + psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; + psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; + phba->hba_state = LPFC_HBA_READY; + } + + return; +} + +static void +lpfc_nodev_timeout(unsigned long ptr) +{ + struct lpfc_hba *phba; + struct lpfc_nodelist *ndlp; + unsigned long iflag; + struct lpfc_work_evt *evtp; + + ndlp = (struct lpfc_nodelist *)ptr; + phba = ndlp->nlp_phba; + evtp = &ndlp->nodev_timeout_evt; + spin_lock_irqsave(phba->host->host_lock, iflag); + + if (!list_empty(&evtp->evt_listp)) { + spin_unlock_irqrestore(phba->host->host_lock, iflag); + return; + } + evtp->evt_arg1 = ndlp; + evtp->evt = LPFC_EVT_NODEV_TMO; + list_add_tail(&evtp->evt_listp, &phba->work_list); + if (phba->work_wait) + wake_up(phba->work_wait); + + spin_unlock_irqrestore(phba->host->host_lock, iflag); + return; +} + + +/* + * This routine handles processing a NameServer REG_LOGIN mailbox + * command upon completion. It is setup in the LPFC_MBOXQ + * as the completion routine when the command is + * handed off to the SLI layer. + */ +void +lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +{ + struct lpfc_sli *psli; + MAILBOX_t *mb; + struct lpfc_dmabuf *mp; + struct lpfc_nodelist *ndlp; + + psli = &phba->sli; + mb = &pmb->mb; + + ndlp = (struct lpfc_nodelist *) pmb->context2; + mp = (struct lpfc_dmabuf *) (pmb->context1); + + pmb->context1 = NULL; + + if (ndlp->nlp_rpi != 0) + lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi); + ndlp->nlp_rpi = mb->un.varWords[0]; + lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi); + ndlp->nlp_type |= NLP_FABRIC; + ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + + /* Start issuing Fabric-Device Management Interface (FDMI) + * command to 0xfffffa (FDMI well known port) + */ + if (phba->cfg_fdmi_on == 1) { + lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA); + } else { + /* + * Delay issuing FDMI command if fdmi-on=2 + * (supporting RPA/hostnmae) + */ + mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60); + } + + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + mempool_free( pmb, phba->mbox_mem_pool); + + return; +} + +/* + * This routine looks up the ndlp hash + * table for the given RPI. If rpi found + * it return the node list pointer + * else return 0. + */ +struct lpfc_nodelist * +lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi) +{ + struct lpfc_nodelist *ret; + + ret = phba->fc_nlplookup[LPFC_RPI_HASH_FUNC(rpi)]; + while ((ret != 0) && (ret->nlp_rpi != rpi)) { + ret = ret->nlp_rpi_hash_next; + } + return ret; +} + +/* + * This routine looks up the ndlp hash table for the + * given RPI. If rpi found it return the node list + * pointer else return 0 after deleting the entry + * from hash table. + */ +struct lpfc_nodelist * +lpfc_findnode_remove_rpi(struct lpfc_hba * phba, uint16_t rpi) +{ + struct lpfc_nodelist *ret, *temp;; + + ret = phba->fc_nlplookup[LPFC_RPI_HASH_FUNC(rpi)]; + if (ret == 0) + return NULL; + + if (ret->nlp_rpi == rpi) { + phba->fc_nlplookup[LPFC_RPI_HASH_FUNC(rpi)] = + ret->nlp_rpi_hash_next; + ret->nlp_rpi_hash_next = NULL; + return ret; + } + + while ((ret->nlp_rpi_hash_next != 0) && + (ret->nlp_rpi_hash_next->nlp_rpi != rpi)) { + ret = ret->nlp_rpi_hash_next; + } + + if (ret->nlp_rpi_hash_next != 0) { + temp = ret->nlp_rpi_hash_next; + ret->nlp_rpi_hash_next = temp->nlp_rpi_hash_next; + temp->nlp_rpi_hash_next = NULL; + return temp; + } else { + return NULL; + } +} + +/* + * This routine adds the node list entry to the + * ndlp hash table. + */ +void +lpfc_addnode_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, + uint16_t rpi) +{ + + uint32_t index; + + index = LPFC_RPI_HASH_FUNC(rpi); + ndlp->nlp_rpi_hash_next = phba->fc_nlplookup[index]; + phba->fc_nlplookup[index] = ndlp; + return; +} + +void +lpfc_nlp_init(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, + uint32_t did) +{ + memset(ndlp, 0, sizeof (struct lpfc_nodelist)); + INIT_LIST_HEAD(&ndlp->nodev_timeout_evt.evt_listp); + INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); + init_timer(&ndlp->nlp_tmofunc); + ndlp->nlp_tmofunc.function = lpfc_nodev_timeout; + ndlp->nlp_tmofunc.data = (unsigned long)ndlp; + init_timer(&ndlp->nlp_delayfunc); + ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; + ndlp->nlp_delayfunc.data = (unsigned long)ndlp; + ndlp->nlp_DID = did; + ndlp->nlp_phba = phba; + ndlp->nlp_sid = NLP_NO_SID; + return; +} diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h new file mode 100644 index 000000000000..fc958a99dadb --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -0,0 +1,2687 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_hw.h 1.37 2005/03/29 19:51:45EST sf_support Exp $ + */ + +#define FDMI_DID 0xfffffaU +#define NameServer_DID 0xfffffcU +#define SCR_DID 0xfffffdU +#define Fabric_DID 0xfffffeU +#define Bcast_DID 0xffffffU +#define Mask_DID 0xffffffU +#define CT_DID_MASK 0xffff00U +#define Fabric_DID_MASK 0xfff000U +#define WELL_KNOWN_DID_MASK 0xfffff0U + +#define PT2PT_LocalID 1 +#define PT2PT_RemoteID 2 + +#define FF_DEF_EDTOV 2000 /* Default E_D_TOV (2000ms) */ +#define FF_DEF_ALTOV 15 /* Default AL_TIME (15ms) */ +#define FF_DEF_RATOV 2 /* Default RA_TOV (2s) */ +#define FF_DEF_ARBTOV 1900 /* Default ARB_TOV (1900ms) */ + +#define LPFC_BUF_RING0 64 /* Number of buffers to post to RING + 0 */ + +#define FCELSSIZE 1024 /* maximum ELS transfer size */ + +#define LPFC_FCP_RING 0 /* ring 0 for FCP initiator commands */ +#define LPFC_IP_RING 1 /* ring 1 for IP commands */ +#define LPFC_ELS_RING 2 /* ring 2 for ELS commands */ +#define LPFC_FCP_NEXT_RING 3 + +#define SLI2_IOCB_CMD_R0_ENTRIES 172 /* SLI-2 FCP command ring entries */ +#define SLI2_IOCB_RSP_R0_ENTRIES 134 /* SLI-2 FCP response ring entries */ +#define SLI2_IOCB_CMD_R1_ENTRIES 4 /* SLI-2 IP command ring entries */ +#define SLI2_IOCB_RSP_R1_ENTRIES 4 /* SLI-2 IP response ring entries */ +#define SLI2_IOCB_CMD_R1XTRA_ENTRIES 36 /* SLI-2 extra FCP cmd ring entries */ +#define SLI2_IOCB_RSP_R1XTRA_ENTRIES 52 /* SLI-2 extra FCP rsp ring entries */ +#define SLI2_IOCB_CMD_R2_ENTRIES 20 /* SLI-2 ELS command ring entries */ +#define SLI2_IOCB_RSP_R2_ENTRIES 20 /* SLI-2 ELS response ring entries */ +#define SLI2_IOCB_CMD_R3_ENTRIES 0 +#define SLI2_IOCB_RSP_R3_ENTRIES 0 +#define SLI2_IOCB_CMD_R3XTRA_ENTRIES 24 +#define SLI2_IOCB_RSP_R3XTRA_ENTRIES 32 + +/* Common Transport structures and definitions */ + +union CtRevisionId { + /* Structure is in Big Endian format */ + struct { + uint32_t Revision:8; + uint32_t InId:24; + } bits; + uint32_t word; +}; + +union CtCommandResponse { + /* Structure is in Big Endian format */ + struct { + uint32_t CmdRsp:16; + uint32_t Size:16; + } bits; + uint32_t word; +}; + +struct lpfc_sli_ct_request { + /* Structure is in Big Endian format */ + union CtRevisionId RevisionId; + uint8_t FsType; + uint8_t FsSubType; + uint8_t Options; + uint8_t Rsrvd1; + union CtCommandResponse CommandResponse; + uint8_t Rsrvd2; + uint8_t ReasonCode; + uint8_t Explanation; + uint8_t VendorUnique; + + union { + uint32_t PortID; + struct gid { + uint8_t PortType; /* for GID_PT requests */ + uint8_t DomainScope; + uint8_t AreaScope; + uint8_t Fc4Type; /* for GID_FT requests */ + } gid; + struct rft { + uint32_t PortId; /* For RFT_ID requests */ + +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t rsvd0:16; + uint32_t rsvd1:7; + uint32_t fcpReg:1; /* Type 8 */ + uint32_t rsvd2:2; + uint32_t ipReg:1; /* Type 5 */ + uint32_t rsvd3:5; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t rsvd0:16; + uint32_t fcpReg:1; /* Type 8 */ + uint32_t rsvd1:7; + uint32_t rsvd3:5; + uint32_t ipReg:1; /* Type 5 */ + uint32_t rsvd2:2; +#endif + + uint32_t rsvd[7]; + } rft; + struct rnn { + uint32_t PortId; /* For RNN_ID requests */ + uint8_t wwnn[8]; + } rnn; + struct rsnn { /* For RSNN_ID requests */ + uint8_t wwnn[8]; + uint8_t len; + uint8_t symbname[255]; + } rsnn; + } un; +}; + +#define SLI_CT_REVISION 1 +#define GID_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 260) +#define RFT_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 228) +#define RNN_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 252) +#define RSNN_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request)) + +/* + * FsType Definitions + */ + +#define SLI_CT_MANAGEMENT_SERVICE 0xFA +#define SLI_CT_TIME_SERVICE 0xFB +#define SLI_CT_DIRECTORY_SERVICE 0xFC +#define SLI_CT_FABRIC_CONTROLLER_SERVICE 0xFD + +/* + * Directory Service Subtypes + */ + +#define SLI_CT_DIRECTORY_NAME_SERVER 0x02 + +/* + * Response Codes + */ + +#define SLI_CT_RESPONSE_FS_RJT 0x8001 +#define SLI_CT_RESPONSE_FS_ACC 0x8002 + +/* + * Reason Codes + */ + +#define SLI_CT_NO_ADDITIONAL_EXPL 0x0 +#define SLI_CT_INVALID_COMMAND 0x01 +#define SLI_CT_INVALID_VERSION 0x02 +#define SLI_CT_LOGICAL_ERROR 0x03 +#define SLI_CT_INVALID_IU_SIZE 0x04 +#define SLI_CT_LOGICAL_BUSY 0x05 +#define SLI_CT_PROTOCOL_ERROR 0x07 +#define SLI_CT_UNABLE_TO_PERFORM_REQ 0x09 +#define SLI_CT_REQ_NOT_SUPPORTED 0x0b +#define SLI_CT_HBA_INFO_NOT_REGISTERED 0x10 +#define SLI_CT_MULTIPLE_HBA_ATTR_OF_SAME_TYPE 0x11 +#define SLI_CT_INVALID_HBA_ATTR_BLOCK_LEN 0x12 +#define SLI_CT_HBA_ATTR_NOT_PRESENT 0x13 +#define SLI_CT_PORT_INFO_NOT_REGISTERED 0x20 +#define SLI_CT_MULTIPLE_PORT_ATTR_OF_SAME_TYPE 0x21 +#define SLI_CT_INVALID_PORT_ATTR_BLOCK_LEN 0x22 +#define SLI_CT_VENDOR_UNIQUE 0xff + +/* + * Name Server SLI_CT_UNABLE_TO_PERFORM_REQ Explanations + */ + +#define SLI_CT_NO_PORT_ID 0x01 +#define SLI_CT_NO_PORT_NAME 0x02 +#define SLI_CT_NO_NODE_NAME 0x03 +#define SLI_CT_NO_CLASS_OF_SERVICE 0x04 +#define SLI_CT_NO_IP_ADDRESS 0x05 +#define SLI_CT_NO_IPA 0x06 +#define SLI_CT_NO_FC4_TYPES 0x07 +#define SLI_CT_NO_SYMBOLIC_PORT_NAME 0x08 +#define SLI_CT_NO_SYMBOLIC_NODE_NAME 0x09 +#define SLI_CT_NO_PORT_TYPE 0x0A +#define SLI_CT_ACCESS_DENIED 0x10 +#define SLI_CT_INVALID_PORT_ID 0x11 +#define SLI_CT_DATABASE_EMPTY 0x12 + +/* + * Name Server Command Codes + */ + +#define SLI_CTNS_GA_NXT 0x0100 +#define SLI_CTNS_GPN_ID 0x0112 +#define SLI_CTNS_GNN_ID 0x0113 +#define SLI_CTNS_GCS_ID 0x0114 +#define SLI_CTNS_GFT_ID 0x0117 +#define SLI_CTNS_GSPN_ID 0x0118 +#define SLI_CTNS_GPT_ID 0x011A +#define SLI_CTNS_GID_PN 0x0121 +#define SLI_CTNS_GID_NN 0x0131 +#define SLI_CTNS_GIP_NN 0x0135 +#define SLI_CTNS_GIPA_NN 0x0136 +#define SLI_CTNS_GSNN_NN 0x0139 +#define SLI_CTNS_GNN_IP 0x0153 +#define SLI_CTNS_GIPA_IP 0x0156 +#define SLI_CTNS_GID_FT 0x0171 +#define SLI_CTNS_GID_PT 0x01A1 +#define SLI_CTNS_RPN_ID 0x0212 +#define SLI_CTNS_RNN_ID 0x0213 +#define SLI_CTNS_RCS_ID 0x0214 +#define SLI_CTNS_RFT_ID 0x0217 +#define SLI_CTNS_RSPN_ID 0x0218 +#define SLI_CTNS_RPT_ID 0x021A +#define SLI_CTNS_RIP_NN 0x0235 +#define SLI_CTNS_RIPA_NN 0x0236 +#define SLI_CTNS_RSNN_NN 0x0239 +#define SLI_CTNS_DA_ID 0x0300 + +/* + * Port Types + */ + +#define SLI_CTPT_N_PORT 0x01 +#define SLI_CTPT_NL_PORT 0x02 +#define SLI_CTPT_FNL_PORT 0x03 +#define SLI_CTPT_IP 0x04 +#define SLI_CTPT_FCP 0x08 +#define SLI_CTPT_NX_PORT 0x7F +#define SLI_CTPT_F_PORT 0x81 +#define SLI_CTPT_FL_PORT 0x82 +#define SLI_CTPT_E_PORT 0x84 + +#define SLI_CT_LAST_ENTRY 0x80000000 + +/* Fibre Channel Service Parameter definitions */ + +#define FC_PH_4_0 6 /* FC-PH version 4.0 */ +#define FC_PH_4_1 7 /* FC-PH version 4.1 */ +#define FC_PH_4_2 8 /* FC-PH version 4.2 */ +#define FC_PH_4_3 9 /* FC-PH version 4.3 */ + +#define FC_PH_LOW 8 /* Lowest supported FC-PH version */ +#define FC_PH_HIGH 9 /* Highest supported FC-PH version */ +#define FC_PH3 0x20 /* FC-PH-3 version */ + +#define FF_FRAME_SIZE 2048 + +struct lpfc_name { +#ifdef __BIG_ENDIAN_BITFIELD + uint8_t nameType:4; /* FC Word 0, bit 28:31 */ + uint8_t IEEEextMsn:4; /* FC Word 0, bit 24:27, bit 8:11 of IEEE ext */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint8_t IEEEextMsn:4; /* FC Word 0, bit 24:27, bit 8:11 of IEEE ext */ + uint8_t nameType:4; /* FC Word 0, bit 28:31 */ +#endif + +#define NAME_IEEE 0x1 /* IEEE name - nameType */ +#define NAME_IEEE_EXT 0x2 /* IEEE extended name */ +#define NAME_FC_TYPE 0x3 /* FC native name type */ +#define NAME_IP_TYPE 0x4 /* IP address */ +#define NAME_CCITT_TYPE 0xC +#define NAME_CCITT_GR_TYPE 0xE + uint8_t IEEEextLsb; /* FC Word 0, bit 16:23, IEEE extended Lsb */ + uint8_t IEEE[6]; /* FC IEEE address */ +}; + +struct csp { + uint8_t fcphHigh; /* FC Word 0, byte 0 */ + uint8_t fcphLow; + uint8_t bbCreditMsb; + uint8_t bbCreditlsb; /* FC Word 0, byte 3 */ + +#ifdef __BIG_ENDIAN_BITFIELD + uint16_t increasingOffset:1; /* FC Word 1, bit 31 */ + uint16_t randomOffset:1; /* FC Word 1, bit 30 */ + uint16_t word1Reserved2:1; /* FC Word 1, bit 29 */ + uint16_t fPort:1; /* FC Word 1, bit 28 */ + uint16_t altBbCredit:1; /* FC Word 1, bit 27 */ + uint16_t edtovResolution:1; /* FC Word 1, bit 26 */ + uint16_t multicast:1; /* FC Word 1, bit 25 */ + uint16_t broadcast:1; /* FC Word 1, bit 24 */ + + uint16_t huntgroup:1; /* FC Word 1, bit 23 */ + uint16_t simplex:1; /* FC Word 1, bit 22 */ + uint16_t word1Reserved1:3; /* FC Word 1, bit 21:19 */ + uint16_t dhd:1; /* FC Word 1, bit 18 */ + uint16_t contIncSeqCnt:1; /* FC Word 1, bit 17 */ + uint16_t payloadlength:1; /* FC Word 1, bit 16 */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint16_t broadcast:1; /* FC Word 1, bit 24 */ + uint16_t multicast:1; /* FC Word 1, bit 25 */ + uint16_t edtovResolution:1; /* FC Word 1, bit 26 */ + uint16_t altBbCredit:1; /* FC Word 1, bit 27 */ + uint16_t fPort:1; /* FC Word 1, bit 28 */ + uint16_t word1Reserved2:1; /* FC Word 1, bit 29 */ + uint16_t randomOffset:1; /* FC Word 1, bit 30 */ + uint16_t increasingOffset:1; /* FC Word 1, bit 31 */ + + uint16_t payloadlength:1; /* FC Word 1, bit 16 */ + uint16_t contIncSeqCnt:1; /* FC Word 1, bit 17 */ + uint16_t dhd:1; /* FC Word 1, bit 18 */ + uint16_t word1Reserved1:3; /* FC Word 1, bit 21:19 */ + uint16_t simplex:1; /* FC Word 1, bit 22 */ + uint16_t huntgroup:1; /* FC Word 1, bit 23 */ +#endif + + uint8_t bbRcvSizeMsb; /* Upper nibble is reserved */ + uint8_t bbRcvSizeLsb; /* FC Word 1, byte 3 */ + union { + struct { + uint8_t word2Reserved1; /* FC Word 2 byte 0 */ + + uint8_t totalConcurrSeq; /* FC Word 2 byte 1 */ + uint8_t roByCategoryMsb; /* FC Word 2 byte 2 */ + + uint8_t roByCategoryLsb; /* FC Word 2 byte 3 */ + } nPort; + uint32_t r_a_tov; /* R_A_TOV must be in B.E. format */ + } w2; + + uint32_t e_d_tov; /* E_D_TOV must be in B.E. format */ +}; + +struct class_parms { +#ifdef __BIG_ENDIAN_BITFIELD + uint8_t classValid:1; /* FC Word 0, bit 31 */ + uint8_t intermix:1; /* FC Word 0, bit 30 */ + uint8_t stackedXparent:1; /* FC Word 0, bit 29 */ + uint8_t stackedLockDown:1; /* FC Word 0, bit 28 */ + uint8_t seqDelivery:1; /* FC Word 0, bit 27 */ + uint8_t word0Reserved1:3; /* FC Word 0, bit 24:26 */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint8_t word0Reserved1:3; /* FC Word 0, bit 24:26 */ + uint8_t seqDelivery:1; /* FC Word 0, bit 27 */ + uint8_t stackedLockDown:1; /* FC Word 0, bit 28 */ + uint8_t stackedXparent:1; /* FC Word 0, bit 29 */ + uint8_t intermix:1; /* FC Word 0, bit 30 */ + uint8_t classValid:1; /* FC Word 0, bit 31 */ + +#endif + + uint8_t word0Reserved2; /* FC Word 0, bit 16:23 */ + +#ifdef __BIG_ENDIAN_BITFIELD + uint8_t iCtlXidReAssgn:2; /* FC Word 0, Bit 14:15 */ + uint8_t iCtlInitialPa:2; /* FC Word 0, bit 12:13 */ + uint8_t iCtlAck0capable:1; /* FC Word 0, bit 11 */ + uint8_t iCtlAckNcapable:1; /* FC Word 0, bit 10 */ + uint8_t word0Reserved3:2; /* FC Word 0, bit 8: 9 */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint8_t word0Reserved3:2; /* FC Word 0, bit 8: 9 */ + uint8_t iCtlAckNcapable:1; /* FC Word 0, bit 10 */ + uint8_t iCtlAck0capable:1; /* FC Word 0, bit 11 */ + uint8_t iCtlInitialPa:2; /* FC Word 0, bit 12:13 */ + uint8_t iCtlXidReAssgn:2; /* FC Word 0, Bit 14:15 */ +#endif + + uint8_t word0Reserved4; /* FC Word 0, bit 0: 7 */ + +#ifdef __BIG_ENDIAN_BITFIELD + uint8_t rCtlAck0capable:1; /* FC Word 1, bit 31 */ + uint8_t rCtlAckNcapable:1; /* FC Word 1, bit 30 */ + uint8_t rCtlXidInterlck:1; /* FC Word 1, bit 29 */ + uint8_t rCtlErrorPolicy:2; /* FC Word 1, bit 27:28 */ + uint8_t word1Reserved1:1; /* FC Word 1, bit 26 */ + uint8_t rCtlCatPerSeq:2; /* FC Word 1, bit 24:25 */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint8_t rCtlCatPerSeq:2; /* FC Word 1, bit 24:25 */ + uint8_t word1Reserved1:1; /* FC Word 1, bit 26 */ + uint8_t rCtlErrorPolicy:2; /* FC Word 1, bit 27:28 */ + uint8_t rCtlXidInterlck:1; /* FC Word 1, bit 29 */ + uint8_t rCtlAckNcapable:1; /* FC Word 1, bit 30 */ + uint8_t rCtlAck0capable:1; /* FC Word 1, bit 31 */ +#endif + + uint8_t word1Reserved2; /* FC Word 1, bit 16:23 */ + uint8_t rcvDataSizeMsb; /* FC Word 1, bit 8:15 */ + uint8_t rcvDataSizeLsb; /* FC Word 1, bit 0: 7 */ + + uint8_t concurrentSeqMsb; /* FC Word 2, bit 24:31 */ + uint8_t concurrentSeqLsb; /* FC Word 2, bit 16:23 */ + uint8_t EeCreditSeqMsb; /* FC Word 2, bit 8:15 */ + uint8_t EeCreditSeqLsb; /* FC Word 2, bit 0: 7 */ + + uint8_t openSeqPerXchgMsb; /* FC Word 3, bit 24:31 */ + uint8_t openSeqPerXchgLsb; /* FC Word 3, bit 16:23 */ + uint8_t word3Reserved1; /* Fc Word 3, bit 8:15 */ + uint8_t word3Reserved2; /* Fc Word 3, bit 0: 7 */ +}; + +struct serv_parm { /* Structure is in Big Endian format */ + struct csp cmn; + struct lpfc_name portName; + struct lpfc_name nodeName; + struct class_parms cls1; + struct class_parms cls2; + struct class_parms cls3; + struct class_parms cls4; + uint8_t vendorVersion[16]; +}; + +/* + * Extended Link Service LS_COMMAND codes (Payload Word 0) + */ +#ifdef __BIG_ENDIAN_BITFIELD +#define ELS_CMD_MASK 0xffff0000 +#define ELS_RSP_MASK 0xff000000 +#define ELS_CMD_LS_RJT 0x01000000 +#define ELS_CMD_ACC 0x02000000 +#define ELS_CMD_PLOGI 0x03000000 +#define ELS_CMD_FLOGI 0x04000000 +#define ELS_CMD_LOGO 0x05000000 +#define ELS_CMD_ABTX 0x06000000 +#define ELS_CMD_RCS 0x07000000 +#define ELS_CMD_RES 0x08000000 +#define ELS_CMD_RSS 0x09000000 +#define ELS_CMD_RSI 0x0A000000 +#define ELS_CMD_ESTS 0x0B000000 +#define ELS_CMD_ESTC 0x0C000000 +#define ELS_CMD_ADVC 0x0D000000 +#define ELS_CMD_RTV 0x0E000000 +#define ELS_CMD_RLS 0x0F000000 +#define ELS_CMD_ECHO 0x10000000 +#define ELS_CMD_TEST 0x11000000 +#define ELS_CMD_RRQ 0x12000000 +#define ELS_CMD_PRLI 0x20100014 +#define ELS_CMD_PRLO 0x21100014 +#define ELS_CMD_PDISC 0x50000000 +#define ELS_CMD_FDISC 0x51000000 +#define ELS_CMD_ADISC 0x52000000 +#define ELS_CMD_FARP 0x54000000 +#define ELS_CMD_FARPR 0x55000000 +#define ELS_CMD_FAN 0x60000000 +#define ELS_CMD_RSCN 0x61040000 +#define ELS_CMD_SCR 0x62000000 +#define ELS_CMD_RNID 0x78000000 +#else /* __LITTLE_ENDIAN_BITFIELD */ +#define ELS_CMD_MASK 0xffff +#define ELS_RSP_MASK 0xff +#define ELS_CMD_LS_RJT 0x01 +#define ELS_CMD_ACC 0x02 +#define ELS_CMD_PLOGI 0x03 +#define ELS_CMD_FLOGI 0x04 +#define ELS_CMD_LOGO 0x05 +#define ELS_CMD_ABTX 0x06 +#define ELS_CMD_RCS 0x07 +#define ELS_CMD_RES 0x08 +#define ELS_CMD_RSS 0x09 +#define ELS_CMD_RSI 0x0A +#define ELS_CMD_ESTS 0x0B +#define ELS_CMD_ESTC 0x0C +#define ELS_CMD_ADVC 0x0D +#define ELS_CMD_RTV 0x0E +#define ELS_CMD_RLS 0x0F +#define ELS_CMD_ECHO 0x10 +#define ELS_CMD_TEST 0x11 +#define ELS_CMD_RRQ 0x12 +#define ELS_CMD_PRLI 0x14001020 +#define ELS_CMD_PRLO 0x14001021 +#define ELS_CMD_PDISC 0x50 +#define ELS_CMD_FDISC 0x51 +#define ELS_CMD_ADISC 0x52 +#define ELS_CMD_FARP 0x54 +#define ELS_CMD_FARPR 0x55 +#define ELS_CMD_FAN 0x60 +#define ELS_CMD_RSCN 0x0461 +#define ELS_CMD_SCR 0x62 +#define ELS_CMD_RNID 0x78 +#endif + +/* + * LS_RJT Payload Definition + */ + +struct ls_rjt { /* Structure is in Big Endian format */ + union { + uint32_t lsRjtError; + struct { + uint8_t lsRjtRsvd0; /* FC Word 0, bit 24:31 */ + + uint8_t lsRjtRsnCode; /* FC Word 0, bit 16:23 */ + /* LS_RJT reason codes */ +#define LSRJT_INVALID_CMD 0x01 +#define LSRJT_LOGICAL_ERR 0x03 +#define LSRJT_LOGICAL_BSY 0x05 +#define LSRJT_PROTOCOL_ERR 0x07 +#define LSRJT_UNABLE_TPC 0x09 /* Unable to perform command */ +#define LSRJT_CMD_UNSUPPORTED 0x0B +#define LSRJT_VENDOR_UNIQUE 0xFF /* See Byte 3 */ + + uint8_t lsRjtRsnCodeExp; /* FC Word 0, bit 8:15 */ + /* LS_RJT reason explanation */ +#define LSEXP_NOTHING_MORE 0x00 +#define LSEXP_SPARM_OPTIONS 0x01 +#define LSEXP_SPARM_ICTL 0x03 +#define LSEXP_SPARM_RCTL 0x05 +#define LSEXP_SPARM_RCV_SIZE 0x07 +#define LSEXP_SPARM_CONCUR_SEQ 0x09 +#define LSEXP_SPARM_CREDIT 0x0B +#define LSEXP_INVALID_PNAME 0x0D +#define LSEXP_INVALID_NNAME 0x0E +#define LSEXP_INVALID_CSP 0x0F +#define LSEXP_INVALID_ASSOC_HDR 0x11 +#define LSEXP_ASSOC_HDR_REQ 0x13 +#define LSEXP_INVALID_O_SID 0x15 +#define LSEXP_INVALID_OX_RX 0x17 +#define LSEXP_CMD_IN_PROGRESS 0x19 +#define LSEXP_INVALID_NPORT_ID 0x1F +#define LSEXP_INVALID_SEQ_ID 0x21 +#define LSEXP_INVALID_XCHG 0x23 +#define LSEXP_INACTIVE_XCHG 0x25 +#define LSEXP_RQ_REQUIRED 0x27 +#define LSEXP_OUT_OF_RESOURCE 0x29 +#define LSEXP_CANT_GIVE_DATA 0x2A +#define LSEXP_REQ_UNSUPPORTED 0x2C + uint8_t vendorUnique; /* FC Word 0, bit 0: 7 */ + } b; + } un; +}; + +/* + * N_Port Login (FLOGO/PLOGO Request) Payload Definition + */ + +typedef struct _LOGO { /* Structure is in Big Endian format */ + union { + uint32_t nPortId32; /* Access nPortId as a word */ + struct { + uint8_t word1Reserved1; /* FC Word 1, bit 31:24 */ + uint8_t nPortIdByte0; /* N_port ID bit 16:23 */ + uint8_t nPortIdByte1; /* N_port ID bit 8:15 */ + uint8_t nPortIdByte2; /* N_port ID bit 0: 7 */ + } b; + } un; + struct lpfc_name portName; /* N_port name field */ +} LOGO; + +/* + * FCP Login (PRLI Request / ACC) Payload Definition + */ + +#define PRLX_PAGE_LEN 0x10 +#define TPRLO_PAGE_LEN 0x14 + +typedef struct _PRLI { /* Structure is in Big Endian format */ + uint8_t prliType; /* FC Parm Word 0, bit 24:31 */ + +#define PRLI_FCP_TYPE 0x08 + uint8_t word0Reserved1; /* FC Parm Word 0, bit 16:23 */ + +#ifdef __BIG_ENDIAN_BITFIELD + uint8_t origProcAssocV:1; /* FC Parm Word 0, bit 15 */ + uint8_t respProcAssocV:1; /* FC Parm Word 0, bit 14 */ + uint8_t estabImagePair:1; /* FC Parm Word 0, bit 13 */ + + /* ACC = imagePairEstablished */ + uint8_t word0Reserved2:1; /* FC Parm Word 0, bit 12 */ + uint8_t acceptRspCode:4; /* FC Parm Word 0, bit 8:11, ACC ONLY */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint8_t acceptRspCode:4; /* FC Parm Word 0, bit 8:11, ACC ONLY */ + uint8_t word0Reserved2:1; /* FC Parm Word 0, bit 12 */ + uint8_t estabImagePair:1; /* FC Parm Word 0, bit 13 */ + uint8_t respProcAssocV:1; /* FC Parm Word 0, bit 14 */ + uint8_t origProcAssocV:1; /* FC Parm Word 0, bit 15 */ + /* ACC = imagePairEstablished */ +#endif + +#define PRLI_REQ_EXECUTED 0x1 /* acceptRspCode */ +#define PRLI_NO_RESOURCES 0x2 +#define PRLI_INIT_INCOMPLETE 0x3 +#define PRLI_NO_SUCH_PA 0x4 +#define PRLI_PREDEF_CONFIG 0x5 +#define PRLI_PARTIAL_SUCCESS 0x6 +#define PRLI_INVALID_PAGE_CNT 0x7 + uint8_t word0Reserved3; /* FC Parm Word 0, bit 0:7 */ + + uint32_t origProcAssoc; /* FC Parm Word 1, bit 0:31 */ + + uint32_t respProcAssoc; /* FC Parm Word 2, bit 0:31 */ + + uint8_t word3Reserved1; /* FC Parm Word 3, bit 24:31 */ + uint8_t word3Reserved2; /* FC Parm Word 3, bit 16:23 */ + +#ifdef __BIG_ENDIAN_BITFIELD + uint16_t Word3bit15Resved:1; /* FC Parm Word 3, bit 15 */ + uint16_t Word3bit14Resved:1; /* FC Parm Word 3, bit 14 */ + uint16_t Word3bit13Resved:1; /* FC Parm Word 3, bit 13 */ + uint16_t Word3bit12Resved:1; /* FC Parm Word 3, bit 12 */ + uint16_t Word3bit11Resved:1; /* FC Parm Word 3, bit 11 */ + uint16_t Word3bit10Resved:1; /* FC Parm Word 3, bit 10 */ + uint16_t TaskRetryIdReq:1; /* FC Parm Word 3, bit 9 */ + uint16_t Retry:1; /* FC Parm Word 3, bit 8 */ + uint16_t ConfmComplAllowed:1; /* FC Parm Word 3, bit 7 */ + uint16_t dataOverLay:1; /* FC Parm Word 3, bit 6 */ + uint16_t initiatorFunc:1; /* FC Parm Word 3, bit 5 */ + uint16_t targetFunc:1; /* FC Parm Word 3, bit 4 */ + uint16_t cmdDataMixEna:1; /* FC Parm Word 3, bit 3 */ + uint16_t dataRspMixEna:1; /* FC Parm Word 3, bit 2 */ + uint16_t readXferRdyDis:1; /* FC Parm Word 3, bit 1 */ + uint16_t writeXferRdyDis:1; /* FC Parm Word 3, bit 0 */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint16_t Retry:1; /* FC Parm Word 3, bit 8 */ + uint16_t TaskRetryIdReq:1; /* FC Parm Word 3, bit 9 */ + uint16_t Word3bit10Resved:1; /* FC Parm Word 3, bit 10 */ + uint16_t Word3bit11Resved:1; /* FC Parm Word 3, bit 11 */ + uint16_t Word3bit12Resved:1; /* FC Parm Word 3, bit 12 */ + uint16_t Word3bit13Resved:1; /* FC Parm Word 3, bit 13 */ + uint16_t Word3bit14Resved:1; /* FC Parm Word 3, bit 14 */ + uint16_t Word3bit15Resved:1; /* FC Parm Word 3, bit 15 */ + uint16_t writeXferRdyDis:1; /* FC Parm Word 3, bit 0 */ + uint16_t readXferRdyDis:1; /* FC Parm Word 3, bit 1 */ + uint16_t dataRspMixEna:1; /* FC Parm Word 3, bit 2 */ + uint16_t cmdDataMixEna:1; /* FC Parm Word 3, bit 3 */ + uint16_t targetFunc:1; /* FC Parm Word 3, bit 4 */ + uint16_t initiatorFunc:1; /* FC Parm Word 3, bit 5 */ + uint16_t dataOverLay:1; /* FC Parm Word 3, bit 6 */ + uint16_t ConfmComplAllowed:1; /* FC Parm Word 3, bit 7 */ +#endif +} PRLI; + +/* + * FCP Logout (PRLO Request / ACC) Payload Definition + */ + +typedef struct _PRLO { /* Structure is in Big Endian format */ + uint8_t prloType; /* FC Parm Word 0, bit 24:31 */ + +#define PRLO_FCP_TYPE 0x08 + uint8_t word0Reserved1; /* FC Parm Word 0, bit 16:23 */ + +#ifdef __BIG_ENDIAN_BITFIELD + uint8_t origProcAssocV:1; /* FC Parm Word 0, bit 15 */ + uint8_t respProcAssocV:1; /* FC Parm Word 0, bit 14 */ + uint8_t word0Reserved2:2; /* FC Parm Word 0, bit 12:13 */ + uint8_t acceptRspCode:4; /* FC Parm Word 0, bit 8:11, ACC ONLY */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint8_t acceptRspCode:4; /* FC Parm Word 0, bit 8:11, ACC ONLY */ + uint8_t word0Reserved2:2; /* FC Parm Word 0, bit 12:13 */ + uint8_t respProcAssocV:1; /* FC Parm Word 0, bit 14 */ + uint8_t origProcAssocV:1; /* FC Parm Word 0, bit 15 */ +#endif + +#define PRLO_REQ_EXECUTED 0x1 /* acceptRspCode */ +#define PRLO_NO_SUCH_IMAGE 0x4 +#define PRLO_INVALID_PAGE_CNT 0x7 + + uint8_t word0Reserved3; /* FC Parm Word 0, bit 0:7 */ + + uint32_t origProcAssoc; /* FC Parm Word 1, bit 0:31 */ + + uint32_t respProcAssoc; /* FC Parm Word 2, bit 0:31 */ + + uint32_t word3Reserved1; /* FC Parm Word 3, bit 0:31 */ +} PRLO; + +typedef struct _ADISC { /* Structure is in Big Endian format */ + uint32_t hardAL_PA; + struct lpfc_name portName; + struct lpfc_name nodeName; + uint32_t DID; +} ADISC; + +typedef struct _FARP { /* Structure is in Big Endian format */ + uint32_t Mflags:8; + uint32_t Odid:24; +#define FARP_NO_ACTION 0 /* FARP information enclosed, no + action */ +#define FARP_MATCH_PORT 0x1 /* Match on Responder Port Name */ +#define FARP_MATCH_NODE 0x2 /* Match on Responder Node Name */ +#define FARP_MATCH_IP 0x4 /* Match on IP address, not supported */ +#define FARP_MATCH_IPV4 0x5 /* Match on IPV4 address, not + supported */ +#define FARP_MATCH_IPV6 0x6 /* Match on IPV6 address, not + supported */ + uint32_t Rflags:8; + uint32_t Rdid:24; +#define FARP_REQUEST_PLOGI 0x1 /* Request for PLOGI */ +#define FARP_REQUEST_FARPR 0x2 /* Request for FARP Response */ + struct lpfc_name OportName; + struct lpfc_name OnodeName; + struct lpfc_name RportName; + struct lpfc_name RnodeName; + uint8_t Oipaddr[16]; + uint8_t Ripaddr[16]; +} FARP; + +typedef struct _FAN { /* Structure is in Big Endian format */ + uint32_t Fdid; + struct lpfc_name FportName; + struct lpfc_name FnodeName; +} FAN; + +typedef struct _SCR { /* Structure is in Big Endian format */ + uint8_t resvd1; + uint8_t resvd2; + uint8_t resvd3; + uint8_t Function; +#define SCR_FUNC_FABRIC 0x01 +#define SCR_FUNC_NPORT 0x02 +#define SCR_FUNC_FULL 0x03 +#define SCR_CLEAR 0xff +} SCR; + +typedef struct _RNID_TOP_DISC { + struct lpfc_name portName; + uint8_t resvd[8]; + uint32_t unitType; +#define RNID_HBA 0x7 +#define RNID_HOST 0xa +#define RNID_DRIVER 0xd + uint32_t physPort; + uint32_t attachedNodes; + uint16_t ipVersion; +#define RNID_IPV4 0x1 +#define RNID_IPV6 0x2 + uint16_t UDPport; + uint8_t ipAddr[16]; + uint16_t resvd1; + uint16_t flags; +#define RNID_TD_SUPPORT 0x1 +#define RNID_LP_VALID 0x2 +} RNID_TOP_DISC; + +typedef struct _RNID { /* Structure is in Big Endian format */ + uint8_t Format; +#define RNID_TOPOLOGY_DISC 0xdf + uint8_t CommonLen; + uint8_t resvd1; + uint8_t SpecificLen; + struct lpfc_name portName; + struct lpfc_name nodeName; + union { + RNID_TOP_DISC topologyDisc; /* topology disc (0xdf) */ + } un; +} RNID; + +typedef struct _RRQ { /* Structure is in Big Endian format */ + uint32_t SID; + uint16_t Oxid; + uint16_t Rxid; + uint8_t resv[32]; /* optional association hdr */ +} RRQ; + +/* This is used for RSCN command */ +typedef struct _D_ID { /* Structure is in Big Endian format */ + union { + uint32_t word; + struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint8_t resv; + uint8_t domain; + uint8_t area; + uint8_t id; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint8_t id; + uint8_t area; + uint8_t domain; + uint8_t resv; +#endif + } b; + } un; +} D_ID; + +/* + * Structure to define all ELS Payload types + */ + +typedef struct _ELS_PKT { /* Structure is in Big Endian format */ + uint8_t elsCode; /* FC Word 0, bit 24:31 */ + uint8_t elsByte1; + uint8_t elsByte2; + uint8_t elsByte3; + union { + struct ls_rjt lsRjt; /* Payload for LS_RJT ELS response */ + struct serv_parm logi; /* Payload for PLOGI/FLOGI/PDISC/ACC */ + LOGO logo; /* Payload for PLOGO/FLOGO/ACC */ + PRLI prli; /* Payload for PRLI/ACC */ + PRLO prlo; /* Payload for PRLO/ACC */ + ADISC adisc; /* Payload for ADISC/ACC */ + FARP farp; /* Payload for FARP/ACC */ + FAN fan; /* Payload for FAN */ + SCR scr; /* Payload for SCR/ACC */ + RRQ rrq; /* Payload for RRQ */ + RNID rnid; /* Payload for RNID */ + uint8_t pad[128 - 4]; /* Pad out to payload of 128 bytes */ + } un; +} ELS_PKT; + +/* + * FDMI + * HBA MAnagement Operations Command Codes + */ +#define SLI_MGMT_GRHL 0x100 /* Get registered HBA list */ +#define SLI_MGMT_GHAT 0x101 /* Get HBA attributes */ +#define SLI_MGMT_GRPL 0x102 /* Get registered Port list */ +#define SLI_MGMT_GPAT 0x110 /* Get Port attributes */ +#define SLI_MGMT_RHBA 0x200 /* Register HBA */ +#define SLI_MGMT_RHAT 0x201 /* Register HBA atttributes */ +#define SLI_MGMT_RPRT 0x210 /* Register Port */ +#define SLI_MGMT_RPA 0x211 /* Register Port attributes */ +#define SLI_MGMT_DHBA 0x300 /* De-register HBA */ +#define SLI_MGMT_DPRT 0x310 /* De-register Port */ + +/* + * Management Service Subtypes + */ +#define SLI_CT_FDMI_Subtypes 0x10 + +/* + * HBA Management Service Reject Code + */ +#define REJECT_CODE 0x9 /* Unable to perform command request */ + +/* + * HBA Management Service Reject Reason Code + * Please refer to the Reason Codes above + */ + +/* + * HBA Attribute Types + */ +#define NODE_NAME 0x1 +#define MANUFACTURER 0x2 +#define SERIAL_NUMBER 0x3 +#define MODEL 0x4 +#define MODEL_DESCRIPTION 0x5 +#define HARDWARE_VERSION 0x6 +#define DRIVER_VERSION 0x7 +#define OPTION_ROM_VERSION 0x8 +#define FIRMWARE_VERSION 0x9 +#define OS_NAME_VERSION 0xa +#define MAX_CT_PAYLOAD_LEN 0xb + +/* + * Port Attrubute Types + */ +#define SUPPORTED_FC4_TYPES 0x1 +#define SUPPORTED_SPEED 0x2 +#define PORT_SPEED 0x3 +#define MAX_FRAME_SIZE 0x4 +#define OS_DEVICE_NAME 0x5 +#define HOST_NAME 0x6 + +union AttributesDef { + /* Structure is in Big Endian format */ + struct { + uint32_t AttrType:16; + uint32_t AttrLen:16; + } bits; + uint32_t word; +}; + + +/* + * HBA Attribute Entry (8 - 260 bytes) + */ +typedef struct { + union AttributesDef ad; + union { + uint32_t VendorSpecific; + uint8_t Manufacturer[64]; + uint8_t SerialNumber[64]; + uint8_t Model[256]; + uint8_t ModelDescription[256]; + uint8_t HardwareVersion[256]; + uint8_t DriverVersion[256]; + uint8_t OptionROMVersion[256]; + uint8_t FirmwareVersion[256]; + struct lpfc_name NodeName; + uint8_t SupportFC4Types[32]; + uint32_t SupportSpeed; + uint32_t PortSpeed; + uint32_t MaxFrameSize; + uint8_t OsDeviceName[256]; + uint8_t OsNameVersion[256]; + uint32_t MaxCTPayloadLen; + uint8_t HostName[256]; + } un; +} ATTRIBUTE_ENTRY; + +/* + * HBA Attribute Block + */ +typedef struct { + uint32_t EntryCnt; /* Number of HBA attribute entries */ + ATTRIBUTE_ENTRY Entry; /* Variable-length array */ +} ATTRIBUTE_BLOCK; + +/* + * Port Entry + */ +typedef struct { + struct lpfc_name PortName; +} PORT_ENTRY; + +/* + * HBA Identifier + */ +typedef struct { + struct lpfc_name PortName; +} HBA_IDENTIFIER; + +/* + * Registered Port List Format + */ +typedef struct { + uint32_t EntryCnt; + PORT_ENTRY pe; /* Variable-length array */ +} REG_PORT_LIST; + +/* + * Register HBA(RHBA) + */ +typedef struct { + HBA_IDENTIFIER hi; + REG_PORT_LIST rpl; /* variable-length array */ +/* ATTRIBUTE_BLOCK ab; */ +} REG_HBA; + +/* + * Register HBA Attributes (RHAT) + */ +typedef struct { + struct lpfc_name HBA_PortName; + ATTRIBUTE_BLOCK ab; +} REG_HBA_ATTRIBUTE; + +/* + * Register Port Attributes (RPA) + */ +typedef struct { + struct lpfc_name PortName; + ATTRIBUTE_BLOCK ab; +} REG_PORT_ATTRIBUTE; + +/* + * Get Registered HBA List (GRHL) Accept Payload Format + */ +typedef struct { + uint32_t HBA__Entry_Cnt; /* Number of Registered HBA Identifiers */ + struct lpfc_name HBA_PortName; /* Variable-length array */ +} GRHL_ACC_PAYLOAD; + +/* + * Get Registered Port List (GRPL) Accept Payload Format + */ +typedef struct { + uint32_t RPL_Entry_Cnt; /* Number of Registered Port Entries */ + PORT_ENTRY Reg_Port_Entry[1]; /* Variable-length array */ +} GRPL_ACC_PAYLOAD; + +/* + * Get Port Attributes (GPAT) Accept Payload Format + */ + +typedef struct { + ATTRIBUTE_BLOCK pab; +} GPAT_ACC_PAYLOAD; + + +/* + * Begin HBA configuration parameters. + * The PCI configuration register BAR assignments are: + * BAR0, offset 0x10 - SLIM base memory address + * BAR1, offset 0x14 - SLIM base memory high address + * BAR2, offset 0x18 - REGISTER base memory address + * BAR3, offset 0x1c - REGISTER base memory high address + * BAR4, offset 0x20 - BIU I/O registers + * BAR5, offset 0x24 - REGISTER base io high address + */ + +/* Number of rings currently used and available. */ +#define MAX_CONFIGURED_RINGS 3 +#define MAX_RINGS 4 + +/* IOCB / Mailbox is owned by FireFly */ +#define OWN_CHIP 1 + +/* IOCB / Mailbox is owned by Host */ +#define OWN_HOST 0 + +/* Number of 4-byte words in an IOCB. */ +#define IOCB_WORD_SZ 8 + +/* defines for type field in fc header */ +#define FC_ELS_DATA 0x1 +#define FC_LLC_SNAP 0x5 +#define FC_FCP_DATA 0x8 +#define FC_COMMON_TRANSPORT_ULP 0x20 + +/* defines for rctl field in fc header */ +#define FC_DEV_DATA 0x0 +#define FC_UNSOL_CTL 0x2 +#define FC_SOL_CTL 0x3 +#define FC_UNSOL_DATA 0x4 +#define FC_FCP_CMND 0x6 +#define FC_ELS_REQ 0x22 +#define FC_ELS_RSP 0x23 + +/* network headers for Dfctl field */ +#define FC_NET_HDR 0x20 + +/* Start FireFly Register definitions */ +#define PCI_VENDOR_ID_EMULEX 0x10df +#define PCI_DEVICE_ID_FIREFLY 0x1ae5 +#define PCI_DEVICE_ID_SUPERFLY 0xf700 +#define PCI_DEVICE_ID_DRAGONFLY 0xf800 +#define PCI_DEVICE_ID_RFLY 0xf095 +#define PCI_DEVICE_ID_PFLY 0xf098 +#define PCI_DEVICE_ID_TFLY 0xf0a5 +#define PCI_DEVICE_ID_CENTAUR 0xf900 +#define PCI_DEVICE_ID_PEGASUS 0xf980 +#define PCI_DEVICE_ID_THOR 0xfa00 +#define PCI_DEVICE_ID_VIPER 0xfb00 +#define PCI_DEVICE_ID_HELIOS 0xfd00 +#define PCI_DEVICE_ID_BMID 0xf0d5 +#define PCI_DEVICE_ID_BSMB 0xf0d1 +#define PCI_DEVICE_ID_ZEPHYR 0xfe00 +#define PCI_DEVICE_ID_ZMID 0xf0e5 +#define PCI_DEVICE_ID_ZSMB 0xf0e1 +#define PCI_DEVICE_ID_LP101 0xf0a1 +#define PCI_DEVICE_ID_LP10000S 0xfc00 + +#define JEDEC_ID_ADDRESS 0x0080001c +#define FIREFLY_JEDEC_ID 0x1ACC +#define SUPERFLY_JEDEC_ID 0x0020 +#define DRAGONFLY_JEDEC_ID 0x0021 +#define DRAGONFLY_V2_JEDEC_ID 0x0025 +#define CENTAUR_2G_JEDEC_ID 0x0026 +#define CENTAUR_1G_JEDEC_ID 0x0028 +#define PEGASUS_ORION_JEDEC_ID 0x0036 +#define PEGASUS_JEDEC_ID 0x0038 +#define THOR_JEDEC_ID 0x0012 +#define HELIOS_JEDEC_ID 0x0364 +#define ZEPHYR_JEDEC_ID 0x0577 +#define VIPER_JEDEC_ID 0x4838 + +#define JEDEC_ID_MASK 0x0FFFF000 +#define JEDEC_ID_SHIFT 12 +#define FC_JEDEC_ID(id) ((id & JEDEC_ID_MASK) >> JEDEC_ID_SHIFT) + +typedef struct { /* FireFly BIU registers */ + uint32_t hostAtt; /* See definitions for Host Attention + register */ + uint32_t chipAtt; /* See definitions for Chip Attention + register */ + uint32_t hostStatus; /* See definitions for Host Status register */ + uint32_t hostControl; /* See definitions for Host Control register */ + uint32_t buiConfig; /* See definitions for BIU configuration + register */ +} FF_REGS; + +/* IO Register size in bytes */ +#define FF_REG_AREA_SIZE 256 + +/* Host Attention Register */ + +#define HA_REG_OFFSET 0 /* Byte offset from register base address */ + +#define HA_R0RE_REQ 0x00000001 /* Bit 0 */ +#define HA_R0CE_RSP 0x00000002 /* Bit 1 */ +#define HA_R0ATT 0x00000008 /* Bit 3 */ +#define HA_R1RE_REQ 0x00000010 /* Bit 4 */ +#define HA_R1CE_RSP 0x00000020 /* Bit 5 */ +#define HA_R1ATT 0x00000080 /* Bit 7 */ +#define HA_R2RE_REQ 0x00000100 /* Bit 8 */ +#define HA_R2CE_RSP 0x00000200 /* Bit 9 */ +#define HA_R2ATT 0x00000800 /* Bit 11 */ +#define HA_R3RE_REQ 0x00001000 /* Bit 12 */ +#define HA_R3CE_RSP 0x00002000 /* Bit 13 */ +#define HA_R3ATT 0x00008000 /* Bit 15 */ +#define HA_LATT 0x20000000 /* Bit 29 */ +#define HA_MBATT 0x40000000 /* Bit 30 */ +#define HA_ERATT 0x80000000 /* Bit 31 */ + +#define HA_RXRE_REQ 0x00000001 /* Bit 0 */ +#define HA_RXCE_RSP 0x00000002 /* Bit 1 */ +#define HA_RXATT 0x00000008 /* Bit 3 */ +#define HA_RXMASK 0x0000000f + +/* Chip Attention Register */ + +#define CA_REG_OFFSET 4 /* Byte offset from register base address */ + +#define CA_R0CE_REQ 0x00000001 /* Bit 0 */ +#define CA_R0RE_RSP 0x00000002 /* Bit 1 */ +#define CA_R0ATT 0x00000008 /* Bit 3 */ +#define CA_R1CE_REQ 0x00000010 /* Bit 4 */ +#define CA_R1RE_RSP 0x00000020 /* Bit 5 */ +#define CA_R1ATT 0x00000080 /* Bit 7 */ +#define CA_R2CE_REQ 0x00000100 /* Bit 8 */ +#define CA_R2RE_RSP 0x00000200 /* Bit 9 */ +#define CA_R2ATT 0x00000800 /* Bit 11 */ +#define CA_R3CE_REQ 0x00001000 /* Bit 12 */ +#define CA_R3RE_RSP 0x00002000 /* Bit 13 */ +#define CA_R3ATT 0x00008000 /* Bit 15 */ +#define CA_MBATT 0x40000000 /* Bit 30 */ + +/* Host Status Register */ + +#define HS_REG_OFFSET 8 /* Byte offset from register base address */ + +#define HS_MBRDY 0x00400000 /* Bit 22 */ +#define HS_FFRDY 0x00800000 /* Bit 23 */ +#define HS_FFER8 0x01000000 /* Bit 24 */ +#define HS_FFER7 0x02000000 /* Bit 25 */ +#define HS_FFER6 0x04000000 /* Bit 26 */ +#define HS_FFER5 0x08000000 /* Bit 27 */ +#define HS_FFER4 0x10000000 /* Bit 28 */ +#define HS_FFER3 0x20000000 /* Bit 29 */ +#define HS_FFER2 0x40000000 /* Bit 30 */ +#define HS_FFER1 0x80000000 /* Bit 31 */ +#define HS_FFERM 0xFF000000 /* Mask for error bits 31:24 */ + +/* Host Control Register */ + +#define HC_REG_OFFSET 12 /* Word offset from register base address */ + +#define HC_MBINT_ENA 0x00000001 /* Bit 0 */ +#define HC_R0INT_ENA 0x00000002 /* Bit 1 */ +#define HC_R1INT_ENA 0x00000004 /* Bit 2 */ +#define HC_R2INT_ENA 0x00000008 /* Bit 3 */ +#define HC_R3INT_ENA 0x00000010 /* Bit 4 */ +#define HC_INITHBI 0x02000000 /* Bit 25 */ +#define HC_INITMB 0x04000000 /* Bit 26 */ +#define HC_INITFF 0x08000000 /* Bit 27 */ +#define HC_LAINT_ENA 0x20000000 /* Bit 29 */ +#define HC_ERINT_ENA 0x80000000 /* Bit 31 */ + +/* Mailbox Commands */ +#define MBX_SHUTDOWN 0x00 /* terminate testing */ +#define MBX_LOAD_SM 0x01 +#define MBX_READ_NV 0x02 +#define MBX_WRITE_NV 0x03 +#define MBX_RUN_BIU_DIAG 0x04 +#define MBX_INIT_LINK 0x05 +#define MBX_DOWN_LINK 0x06 +#define MBX_CONFIG_LINK 0x07 +#define MBX_CONFIG_RING 0x09 +#define MBX_RESET_RING 0x0A +#define MBX_READ_CONFIG 0x0B +#define MBX_READ_RCONFIG 0x0C +#define MBX_READ_SPARM 0x0D +#define MBX_READ_STATUS 0x0E +#define MBX_READ_RPI 0x0F +#define MBX_READ_XRI 0x10 +#define MBX_READ_REV 0x11 +#define MBX_READ_LNK_STAT 0x12 +#define MBX_REG_LOGIN 0x13 +#define MBX_UNREG_LOGIN 0x14 +#define MBX_READ_LA 0x15 +#define MBX_CLEAR_LA 0x16 +#define MBX_DUMP_MEMORY 0x17 +#define MBX_DUMP_CONTEXT 0x18 +#define MBX_RUN_DIAGS 0x19 +#define MBX_RESTART 0x1A +#define MBX_UPDATE_CFG 0x1B +#define MBX_DOWN_LOAD 0x1C +#define MBX_DEL_LD_ENTRY 0x1D +#define MBX_RUN_PROGRAM 0x1E +#define MBX_SET_MASK 0x20 +#define MBX_SET_SLIM 0x21 +#define MBX_UNREG_D_ID 0x23 +#define MBX_CONFIG_FARP 0x25 + +#define MBX_LOAD_AREA 0x81 +#define MBX_RUN_BIU_DIAG64 0x84 +#define MBX_CONFIG_PORT 0x88 +#define MBX_READ_SPARM64 0x8D +#define MBX_READ_RPI64 0x8F +#define MBX_REG_LOGIN64 0x93 +#define MBX_READ_LA64 0x95 + +#define MBX_FLASH_WR_ULA 0x98 +#define MBX_SET_DEBUG 0x99 +#define MBX_LOAD_EXP_ROM 0x9C + +#define MBX_MAX_CMDS 0x9D +#define MBX_SLI2_CMD_MASK 0x80 + +/* IOCB Commands */ + +#define CMD_RCV_SEQUENCE_CX 0x01 +#define CMD_XMIT_SEQUENCE_CR 0x02 +#define CMD_XMIT_SEQUENCE_CX 0x03 +#define CMD_XMIT_BCAST_CN 0x04 +#define CMD_XMIT_BCAST_CX 0x05 +#define CMD_QUE_RING_BUF_CN 0x06 +#define CMD_QUE_XRI_BUF_CX 0x07 +#define CMD_IOCB_CONTINUE_CN 0x08 +#define CMD_RET_XRI_BUF_CX 0x09 +#define CMD_ELS_REQUEST_CR 0x0A +#define CMD_ELS_REQUEST_CX 0x0B +#define CMD_RCV_ELS_REQ_CX 0x0D +#define CMD_ABORT_XRI_CN 0x0E +#define CMD_ABORT_XRI_CX 0x0F +#define CMD_CLOSE_XRI_CN 0x10 +#define CMD_CLOSE_XRI_CX 0x11 +#define CMD_CREATE_XRI_CR 0x12 +#define CMD_CREATE_XRI_CX 0x13 +#define CMD_GET_RPI_CN 0x14 +#define CMD_XMIT_ELS_RSP_CX 0x15 +#define CMD_GET_RPI_CR 0x16 +#define CMD_XRI_ABORTED_CX 0x17 +#define CMD_FCP_IWRITE_CR 0x18 +#define CMD_FCP_IWRITE_CX 0x19 +#define CMD_FCP_IREAD_CR 0x1A +#define CMD_FCP_IREAD_CX 0x1B +#define CMD_FCP_ICMND_CR 0x1C +#define CMD_FCP_ICMND_CX 0x1D + +#define CMD_ADAPTER_MSG 0x20 +#define CMD_ADAPTER_DUMP 0x22 + +/* SLI_2 IOCB Command Set */ + +#define CMD_RCV_SEQUENCE64_CX 0x81 +#define CMD_XMIT_SEQUENCE64_CR 0x82 +#define CMD_XMIT_SEQUENCE64_CX 0x83 +#define CMD_XMIT_BCAST64_CN 0x84 +#define CMD_XMIT_BCAST64_CX 0x85 +#define CMD_QUE_RING_BUF64_CN 0x86 +#define CMD_QUE_XRI_BUF64_CX 0x87 +#define CMD_IOCB_CONTINUE64_CN 0x88 +#define CMD_RET_XRI_BUF64_CX 0x89 +#define CMD_ELS_REQUEST64_CR 0x8A +#define CMD_ELS_REQUEST64_CX 0x8B +#define CMD_ABORT_MXRI64_CN 0x8C +#define CMD_RCV_ELS_REQ64_CX 0x8D +#define CMD_XMIT_ELS_RSP64_CX 0x95 +#define CMD_FCP_IWRITE64_CR 0x98 +#define CMD_FCP_IWRITE64_CX 0x99 +#define CMD_FCP_IREAD64_CR 0x9A +#define CMD_FCP_IREAD64_CX 0x9B +#define CMD_FCP_ICMND64_CR 0x9C +#define CMD_FCP_ICMND64_CX 0x9D + +#define CMD_GEN_REQUEST64_CR 0xC2 +#define CMD_GEN_REQUEST64_CX 0xC3 + +#define CMD_MAX_IOCB_CMD 0xE6 +#define CMD_IOCB_MASK 0xff + +#define MAX_MSG_DATA 28 /* max msg data in CMD_ADAPTER_MSG + iocb */ +#define LPFC_MAX_ADPTMSG 32 /* max msg data */ +/* + * Define Status + */ +#define MBX_SUCCESS 0 +#define MBXERR_NUM_RINGS 1 +#define MBXERR_NUM_IOCBS 2 +#define MBXERR_IOCBS_EXCEEDED 3 +#define MBXERR_BAD_RING_NUMBER 4 +#define MBXERR_MASK_ENTRIES_RANGE 5 +#define MBXERR_MASKS_EXCEEDED 6 +#define MBXERR_BAD_PROFILE 7 +#define MBXERR_BAD_DEF_CLASS 8 +#define MBXERR_BAD_MAX_RESPONDER 9 +#define MBXERR_BAD_MAX_ORIGINATOR 10 +#define MBXERR_RPI_REGISTERED 11 +#define MBXERR_RPI_FULL 12 +#define MBXERR_NO_RESOURCES 13 +#define MBXERR_BAD_RCV_LENGTH 14 +#define MBXERR_DMA_ERROR 15 +#define MBXERR_ERROR 16 +#define MBX_NOT_FINISHED 255 + +#define MBX_BUSY 0xffffff /* Attempted cmd to busy Mailbox */ +#define MBX_TIMEOUT 0xfffffe /* time-out expired waiting for */ + +/* + * Begin Structure Definitions for Mailbox Commands + */ + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint8_t tval; + uint8_t tmask; + uint8_t rval; + uint8_t rmask; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint8_t rmask; + uint8_t rval; + uint8_t tmask; + uint8_t tval; +#endif +} RR_REG; + +struct ulp_bde { + uint32_t bdeAddress; +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t bdeReserved:4; + uint32_t bdeAddrHigh:4; + uint32_t bdeSize:24; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t bdeSize:24; + uint32_t bdeAddrHigh:4; + uint32_t bdeReserved:4; +#endif +}; + +struct ulp_bde64 { /* SLI-2 */ + union ULP_BDE_TUS { + uint32_t w; + struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t bdeFlags:8; /* BDE Flags 0 IS A SUPPORTED + VALUE !! */ + uint32_t bdeSize:24; /* Size of buffer (in bytes) */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t bdeSize:24; /* Size of buffer (in bytes) */ + uint32_t bdeFlags:8; /* BDE Flags 0 IS A SUPPORTED + VALUE !! */ +#endif + +#define BUFF_USE_RSVD 0x01 /* bdeFlags */ +#define BUFF_USE_INTRPT 0x02 /* Not Implemented with LP6000 */ +#define BUFF_USE_CMND 0x04 /* Optional, 1=cmd/rsp 0=data buffer */ +#define BUFF_USE_RCV 0x08 /* "" "", 1=rcv buffer, 0=xmit + buffer */ +#define BUFF_TYPE_32BIT 0x10 /* "" "", 1=32 bit addr 0=64 bit + addr */ +#define BUFF_TYPE_SPECIAL 0x20 /* Not Implemented with LP6000 */ +#define BUFF_TYPE_BDL 0x40 /* Optional, may be set in BDL */ +#define BUFF_TYPE_INVALID 0x80 /* "" "" */ + } f; + } tus; + uint32_t addrLow; + uint32_t addrHigh; +}; +#define BDE64_SIZE_WORD 0 +#define BPL64_SIZE_WORD 0x40 + +typedef struct ULP_BDL { /* SLI-2 */ +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t bdeFlags:8; /* BDL Flags */ + uint32_t bdeSize:24; /* Size of BDL array in host memory (bytes) */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t bdeSize:24; /* Size of BDL array in host memory (bytes) */ + uint32_t bdeFlags:8; /* BDL Flags */ +#endif + + uint32_t addrLow; /* Address 0:31 */ + uint32_t addrHigh; /* Address 32:63 */ + uint32_t ulpIoTag32; /* Can be used for 32 bit I/O Tag */ +} ULP_BDL; + +/* Structure for MB Command LOAD_SM and DOWN_LOAD */ + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t rsvd2:25; + uint32_t acknowledgment:1; + uint32_t version:1; + uint32_t erase_or_prog:1; + uint32_t update_flash:1; + uint32_t update_ram:1; + uint32_t method:1; + uint32_t load_cmplt:1; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t load_cmplt:1; + uint32_t method:1; + uint32_t update_ram:1; + uint32_t update_flash:1; + uint32_t erase_or_prog:1; + uint32_t version:1; + uint32_t acknowledgment:1; + uint32_t rsvd2:25; +#endif + + uint32_t dl_to_adr_low; + uint32_t dl_to_adr_high; + uint32_t dl_len; + union { + uint32_t dl_from_mbx_offset; + struct ulp_bde dl_from_bde; + struct ulp_bde64 dl_from_bde64; + } un; + +} LOAD_SM_VAR; + +/* Structure for MB Command READ_NVPARM (02) */ + +typedef struct { + uint32_t rsvd1[3]; /* Read as all one's */ + uint32_t rsvd2; /* Read as all zero's */ + uint32_t portname[2]; /* N_PORT name */ + uint32_t nodename[2]; /* NODE name */ + +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t pref_DID:24; + uint32_t hardAL_PA:8; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t hardAL_PA:8; + uint32_t pref_DID:24; +#endif + + uint32_t rsvd3[21]; /* Read as all one's */ +} READ_NV_VAR; + +/* Structure for MB Command WRITE_NVPARMS (03) */ + +typedef struct { + uint32_t rsvd1[3]; /* Must be all one's */ + uint32_t rsvd2; /* Must be all zero's */ + uint32_t portname[2]; /* N_PORT name */ + uint32_t nodename[2]; /* NODE name */ + +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t pref_DID:24; + uint32_t hardAL_PA:8; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t hardAL_PA:8; + uint32_t pref_DID:24; +#endif + + uint32_t rsvd3[21]; /* Must be all one's */ +} WRITE_NV_VAR; + +/* Structure for MB Command RUN_BIU_DIAG (04) */ +/* Structure for MB Command RUN_BIU_DIAG64 (0x84) */ + +typedef struct { + uint32_t rsvd1; + union { + struct { + struct ulp_bde xmit_bde; + struct ulp_bde rcv_bde; + } s1; + struct { + struct ulp_bde64 xmit_bde64; + struct ulp_bde64 rcv_bde64; + } s2; + } un; +} BIU_DIAG_VAR; + +/* Structure for MB Command INIT_LINK (05) */ + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t rsvd1:24; + uint32_t lipsr_AL_PA:8; /* AL_PA to issue Lip Selective Reset to */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t lipsr_AL_PA:8; /* AL_PA to issue Lip Selective Reset to */ + uint32_t rsvd1:24; +#endif + +#ifdef __BIG_ENDIAN_BITFIELD + uint8_t fabric_AL_PA; /* If using a Fabric Assigned AL_PA */ + uint8_t rsvd2; + uint16_t link_flags; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint16_t link_flags; + uint8_t rsvd2; + uint8_t fabric_AL_PA; /* If using a Fabric Assigned AL_PA */ +#endif + +#define FLAGS_LOCAL_LB 0x01 /* link_flags (=1) ENDEC loopback */ +#define FLAGS_TOPOLOGY_MODE_LOOP_PT 0x00 /* Attempt loop then pt-pt */ +#define FLAGS_TOPOLOGY_MODE_PT_PT 0x02 /* Attempt pt-pt only */ +#define FLAGS_TOPOLOGY_MODE_LOOP 0x04 /* Attempt loop only */ +#define FLAGS_TOPOLOGY_MODE_PT_LOOP 0x06 /* Attempt pt-pt then loop */ +#define FLAGS_LIRP_LILP 0x80 /* LIRP / LILP is disabled */ + +#define FLAGS_TOPOLOGY_FAILOVER 0x0400 /* Bit 10 */ +#define FLAGS_LINK_SPEED 0x0800 /* Bit 11 */ + + uint32_t link_speed; +#define LINK_SPEED_AUTO 0 /* Auto selection */ +#define LINK_SPEED_1G 1 /* 1 Gigabaud */ +#define LINK_SPEED_2G 2 /* 2 Gigabaud */ +#define LINK_SPEED_4G 4 /* 4 Gigabaud */ +#define LINK_SPEED_8G 8 /* 4 Gigabaud */ +#define LINK_SPEED_10G 16 /* 10 Gigabaud */ + +} INIT_LINK_VAR; + +/* Structure for MB Command DOWN_LINK (06) */ + +typedef struct { + uint32_t rsvd1; +} DOWN_LINK_VAR; + +/* Structure for MB Command CONFIG_LINK (07) */ + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t cr:1; + uint32_t ci:1; + uint32_t cr_delay:6; + uint32_t cr_count:8; + uint32_t rsvd1:8; + uint32_t MaxBBC:8; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t MaxBBC:8; + uint32_t rsvd1:8; + uint32_t cr_count:8; + uint32_t cr_delay:6; + uint32_t ci:1; + uint32_t cr:1; +#endif + + uint32_t myId; + uint32_t rsvd2; + uint32_t edtov; + uint32_t arbtov; + uint32_t ratov; + uint32_t rttov; + uint32_t altov; + uint32_t crtov; + uint32_t citov; +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t rrq_enable:1; + uint32_t rrq_immed:1; + uint32_t rsvd4:29; + uint32_t ack0_enable:1; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t ack0_enable:1; + uint32_t rsvd4:29; + uint32_t rrq_immed:1; + uint32_t rrq_enable:1; +#endif +} CONFIG_LINK; + +/* Structure for MB Command PART_SLIM (08) + * will be removed since SLI1 is no longer supported! + */ +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint16_t offCiocb; + uint16_t numCiocb; + uint16_t offRiocb; + uint16_t numRiocb; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint16_t numCiocb; + uint16_t offCiocb; + uint16_t numRiocb; + uint16_t offRiocb; +#endif +} RING_DEF; + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t unused1:24; + uint32_t numRing:8; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t numRing:8; + uint32_t unused1:24; +#endif + + RING_DEF ringdef[4]; + uint32_t hbainit; +} PART_SLIM_VAR; + +/* Structure for MB Command CONFIG_RING (09) */ + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t unused2:6; + uint32_t recvSeq:1; + uint32_t recvNotify:1; + uint32_t numMask:8; + uint32_t profile:8; + uint32_t unused1:4; + uint32_t ring:4; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t ring:4; + uint32_t unused1:4; + uint32_t profile:8; + uint32_t numMask:8; + uint32_t recvNotify:1; + uint32_t recvSeq:1; + uint32_t unused2:6; +#endif + +#ifdef __BIG_ENDIAN_BITFIELD + uint16_t maxRespXchg; + uint16_t maxOrigXchg; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint16_t maxOrigXchg; + uint16_t maxRespXchg; +#endif + + RR_REG rrRegs[6]; +} CONFIG_RING_VAR; + +/* Structure for MB Command RESET_RING (10) */ + +typedef struct { + uint32_t ring_no; +} RESET_RING_VAR; + +/* Structure for MB Command READ_CONFIG (11) */ + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t cr:1; + uint32_t ci:1; + uint32_t cr_delay:6; + uint32_t cr_count:8; + uint32_t InitBBC:8; + uint32_t MaxBBC:8; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t MaxBBC:8; + uint32_t InitBBC:8; + uint32_t cr_count:8; + uint32_t cr_delay:6; + uint32_t ci:1; + uint32_t cr:1; +#endif + +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t topology:8; + uint32_t myDid:24; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t myDid:24; + uint32_t topology:8; +#endif + + /* Defines for topology (defined previously) */ +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t AR:1; + uint32_t IR:1; + uint32_t rsvd1:29; + uint32_t ack0:1; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t ack0:1; + uint32_t rsvd1:29; + uint32_t IR:1; + uint32_t AR:1; +#endif + + uint32_t edtov; + uint32_t arbtov; + uint32_t ratov; + uint32_t rttov; + uint32_t altov; + uint32_t lmt; +#define LMT_RESERVED 0x0 /* Not used */ +#define LMT_266_10bit 0x1 /* 265.625 Mbaud 10 bit iface */ +#define LMT_532_10bit 0x2 /* 531.25 Mbaud 10 bit iface */ +#define LMT_1063_20bit 0x3 /* 1062.5 Mbaud 20 bit iface */ +#define LMT_1063_10bit 0x4 /* 1062.5 Mbaud 10 bit iface */ +#define LMT_2125_10bit 0x8 /* 2125 Mbaud 10 bit iface */ +#define LMT_4250_10bit 0x40 /* 4250 Mbaud 10 bit iface */ + + uint32_t rsvd2; + uint32_t rsvd3; + uint32_t max_xri; + uint32_t max_iocb; + uint32_t max_rpi; + uint32_t avail_xri; + uint32_t avail_iocb; + uint32_t avail_rpi; + uint32_t default_rpi; +} READ_CONFIG_VAR; + +/* Structure for MB Command READ_RCONFIG (12) */ + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t rsvd2:7; + uint32_t recvNotify:1; + uint32_t numMask:8; + uint32_t profile:8; + uint32_t rsvd1:4; + uint32_t ring:4; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t ring:4; + uint32_t rsvd1:4; + uint32_t profile:8; + uint32_t numMask:8; + uint32_t recvNotify:1; + uint32_t rsvd2:7; +#endif + +#ifdef __BIG_ENDIAN_BITFIELD + uint16_t maxResp; + uint16_t maxOrig; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint16_t maxOrig; + uint16_t maxResp; +#endif + + RR_REG rrRegs[6]; + +#ifdef __BIG_ENDIAN_BITFIELD + uint16_t cmdRingOffset; + uint16_t cmdEntryCnt; + uint16_t rspRingOffset; + uint16_t rspEntryCnt; + uint16_t nextCmdOffset; + uint16_t rsvd3; + uint16_t nextRspOffset; + uint16_t rsvd4; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint16_t cmdEntryCnt; + uint16_t cmdRingOffset; + uint16_t rspEntryCnt; + uint16_t rspRingOffset; + uint16_t rsvd3; + uint16_t nextCmdOffset; + uint16_t rsvd4; + uint16_t nextRspOffset; +#endif +} READ_RCONF_VAR; + +/* Structure for MB Command READ_SPARM (13) */ +/* Structure for MB Command READ_SPARM64 (0x8D) */ + +typedef struct { + uint32_t rsvd1; + uint32_t rsvd2; + union { + struct ulp_bde sp; /* This BDE points to struct serv_parm + structure */ + struct ulp_bde64 sp64; + } un; +} READ_SPARM_VAR; + +/* Structure for MB Command READ_STATUS (14) */ + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t rsvd1:31; + uint32_t clrCounters:1; + uint16_t activeXriCnt; + uint16_t activeRpiCnt; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t clrCounters:1; + uint32_t rsvd1:31; + uint16_t activeRpiCnt; + uint16_t activeXriCnt; +#endif + + uint32_t xmitByteCnt; + uint32_t rcvByteCnt; + uint32_t xmitFrameCnt; + uint32_t rcvFrameCnt; + uint32_t xmitSeqCnt; + uint32_t rcvSeqCnt; + uint32_t totalOrigExchanges; + uint32_t totalRespExchanges; + uint32_t rcvPbsyCnt; + uint32_t rcvFbsyCnt; +} READ_STATUS_VAR; + +/* Structure for MB Command READ_RPI (15) */ +/* Structure for MB Command READ_RPI64 (0x8F) */ + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint16_t nextRpi; + uint16_t reqRpi; + uint32_t rsvd2:8; + uint32_t DID:24; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint16_t reqRpi; + uint16_t nextRpi; + uint32_t DID:24; + uint32_t rsvd2:8; +#endif + + union { + struct ulp_bde sp; + struct ulp_bde64 sp64; + } un; + +} READ_RPI_VAR; + +/* Structure for MB Command READ_XRI (16) */ + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint16_t nextXri; + uint16_t reqXri; + uint16_t rsvd1; + uint16_t rpi; + uint32_t rsvd2:8; + uint32_t DID:24; + uint32_t rsvd3:8; + uint32_t SID:24; + uint32_t rsvd4; + uint8_t seqId; + uint8_t rsvd5; + uint16_t seqCount; + uint16_t oxId; + uint16_t rxId; + uint32_t rsvd6:30; + uint32_t si:1; + uint32_t exchOrig:1; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint16_t reqXri; + uint16_t nextXri; + uint16_t rpi; + uint16_t rsvd1; + uint32_t DID:24; + uint32_t rsvd2:8; + uint32_t SID:24; + uint32_t rsvd3:8; + uint32_t rsvd4; + uint16_t seqCount; + uint8_t rsvd5; + uint8_t seqId; + uint16_t rxId; + uint16_t oxId; + uint32_t exchOrig:1; + uint32_t si:1; + uint32_t rsvd6:30; +#endif +} READ_XRI_VAR; + +/* Structure for MB Command READ_REV (17) */ + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t cv:1; + uint32_t rr:1; + uint32_t rsvd1:29; + uint32_t rv:1; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t rv:1; + uint32_t rsvd1:29; + uint32_t rr:1; + uint32_t cv:1; +#endif + + uint32_t biuRev; + uint32_t smRev; + union { + uint32_t smFwRev; + struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint8_t ProgType; + uint8_t ProgId; + uint16_t ProgVer:4; + uint16_t ProgRev:4; + uint16_t ProgFixLvl:2; + uint16_t ProgDistType:2; + uint16_t DistCnt:4; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint16_t DistCnt:4; + uint16_t ProgDistType:2; + uint16_t ProgFixLvl:2; + uint16_t ProgRev:4; + uint16_t ProgVer:4; + uint8_t ProgId; + uint8_t ProgType; +#endif + + } b; + } un; + uint32_t endecRev; +#ifdef __BIG_ENDIAN_BITFIELD + uint8_t feaLevelHigh; + uint8_t feaLevelLow; + uint8_t fcphHigh; + uint8_t fcphLow; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint8_t fcphLow; + uint8_t fcphHigh; + uint8_t feaLevelLow; + uint8_t feaLevelHigh; +#endif + + uint32_t postKernRev; + uint32_t opFwRev; + uint8_t opFwName[16]; + uint32_t sli1FwRev; + uint8_t sli1FwName[16]; + uint32_t sli2FwRev; + uint8_t sli2FwName[16]; + uint32_t rsvd2; + uint32_t RandomData[7]; +} READ_REV_VAR; + +/* Structure for MB Command READ_LINK_STAT (18) */ + +typedef struct { + uint32_t rsvd1; + uint32_t linkFailureCnt; + uint32_t lossSyncCnt; + + uint32_t lossSignalCnt; + uint32_t primSeqErrCnt; + uint32_t invalidXmitWord; + uint32_t crcCnt; + uint32_t primSeqTimeout; + uint32_t elasticOverrun; + uint32_t arbTimeout; +} READ_LNK_VAR; + +/* Structure for MB Command REG_LOGIN (19) */ +/* Structure for MB Command REG_LOGIN64 (0x93) */ + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint16_t rsvd1; + uint16_t rpi; + uint32_t rsvd2:8; + uint32_t did:24; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint16_t rpi; + uint16_t rsvd1; + uint32_t did:24; + uint32_t rsvd2:8; +#endif + + union { + struct ulp_bde sp; + struct ulp_bde64 sp64; + } un; + +} REG_LOGIN_VAR; + +/* Word 30 contents for REG_LOGIN */ +typedef union { + struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint16_t rsvd1:12; + uint16_t wd30_class:4; + uint16_t xri; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint16_t xri; + uint16_t wd30_class:4; + uint16_t rsvd1:12; +#endif + } f; + uint32_t word; +} REG_WD30; + +/* Structure for MB Command UNREG_LOGIN (20) */ + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint16_t rsvd1; + uint16_t rpi; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint16_t rpi; + uint16_t rsvd1; +#endif +} UNREG_LOGIN_VAR; + +/* Structure for MB Command UNREG_D_ID (0x23) */ + +typedef struct { + uint32_t did; +} UNREG_D_ID_VAR; + +/* Structure for MB Command READ_LA (21) */ +/* Structure for MB Command READ_LA64 (0x95) */ + +typedef struct { + uint32_t eventTag; /* Event tag */ +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t rsvd1:22; + uint32_t pb:1; + uint32_t il:1; + uint32_t attType:8; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t attType:8; + uint32_t il:1; + uint32_t pb:1; + uint32_t rsvd1:22; +#endif + +#define AT_RESERVED 0x00 /* Reserved - attType */ +#define AT_LINK_UP 0x01 /* Link is up */ +#define AT_LINK_DOWN 0x02 /* Link is down */ + +#ifdef __BIG_ENDIAN_BITFIELD + uint8_t granted_AL_PA; + uint8_t lipAlPs; + uint8_t lipType; + uint8_t topology; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint8_t topology; + uint8_t lipType; + uint8_t lipAlPs; + uint8_t granted_AL_PA; +#endif + +#define TOPOLOGY_PT_PT 0x01 /* Topology is pt-pt / pt-fabric */ +#define TOPOLOGY_LOOP 0x02 /* Topology is FC-AL */ + + union { + struct ulp_bde lilpBde; /* This BDE points to a 128 byte buffer + to */ + /* store the LILP AL_PA position map into */ + struct ulp_bde64 lilpBde64; + } un; + +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t Dlu:1; + uint32_t Dtf:1; + uint32_t Drsvd2:14; + uint32_t DlnkSpeed:8; + uint32_t DnlPort:4; + uint32_t Dtx:2; + uint32_t Drx:2; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t Drx:2; + uint32_t Dtx:2; + uint32_t DnlPort:4; + uint32_t DlnkSpeed:8; + uint32_t Drsvd2:14; + uint32_t Dtf:1; + uint32_t Dlu:1; +#endif + +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t Ulu:1; + uint32_t Utf:1; + uint32_t Ursvd2:14; + uint32_t UlnkSpeed:8; + uint32_t UnlPort:4; + uint32_t Utx:2; + uint32_t Urx:2; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t Urx:2; + uint32_t Utx:2; + uint32_t UnlPort:4; + uint32_t UlnkSpeed:8; + uint32_t Ursvd2:14; + uint32_t Utf:1; + uint32_t Ulu:1; +#endif + +#define LA_UNKNW_LINK 0x0 /* lnkSpeed */ +#define LA_1GHZ_LINK 0x04 /* lnkSpeed */ +#define LA_2GHZ_LINK 0x08 /* lnkSpeed */ +#define LA_4GHZ_LINK 0x10 /* lnkSpeed */ +#define LA_8GHZ_LINK 0x20 /* lnkSpeed */ +#define LA_10GHZ_LINK 0x40 /* lnkSpeed */ + +} READ_LA_VAR; + +/* Structure for MB Command CLEAR_LA (22) */ + +typedef struct { + uint32_t eventTag; /* Event tag */ + uint32_t rsvd1; +} CLEAR_LA_VAR; + +/* Structure for MB Command DUMP */ + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t rsvd:25; + uint32_t ra:1; + uint32_t co:1; + uint32_t cv:1; + uint32_t type:4; + uint32_t entry_index:16; + uint32_t region_id:16; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t type:4; + uint32_t cv:1; + uint32_t co:1; + uint32_t ra:1; + uint32_t rsvd:25; + uint32_t region_id:16; + uint32_t entry_index:16; +#endif + + uint32_t rsvd1; + uint32_t word_cnt; + uint32_t resp_offset; +} DUMP_VAR; + +#define DMP_MEM_REG 0x1 +#define DMP_NV_PARAMS 0x2 + +#define DMP_REGION_VPD 0xe +#define DMP_VPD_SIZE 0x400 /* maximum amount of VPD */ +#define DMP_RSP_OFFSET 0x14 /* word 5 contains first word of rsp */ +#define DMP_RSP_SIZE 0x6C /* maximum of 27 words of rsp data */ + +/* Structure for MB Command CONFIG_PORT (0x88) */ + +typedef struct { + uint32_t pcbLen; + uint32_t pcbLow; /* bit 31:0 of memory based port config block */ + uint32_t pcbHigh; /* bit 63:32 of memory based port config block */ + uint32_t hbainit[5]; +} CONFIG_PORT_VAR; + +/* SLI-2 Port Control Block */ + +/* SLIM POINTER */ +#define SLIMOFF 0x30 /* WORD */ + +typedef struct _SLI2_RDSC { + uint32_t cmdEntries; + uint32_t cmdAddrLow; + uint32_t cmdAddrHigh; + + uint32_t rspEntries; + uint32_t rspAddrLow; + uint32_t rspAddrHigh; +} SLI2_RDSC; + +typedef struct _PCB { +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t type:8; +#define TYPE_NATIVE_SLI2 0x01; + uint32_t feature:8; +#define FEATURE_INITIAL_SLI2 0x01; + uint32_t rsvd:12; + uint32_t maxRing:4; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t maxRing:4; + uint32_t rsvd:12; + uint32_t feature:8; +#define FEATURE_INITIAL_SLI2 0x01; + uint32_t type:8; +#define TYPE_NATIVE_SLI2 0x01; +#endif + + uint32_t mailBoxSize; + uint32_t mbAddrLow; + uint32_t mbAddrHigh; + + uint32_t hgpAddrLow; + uint32_t hgpAddrHigh; + + uint32_t pgpAddrLow; + uint32_t pgpAddrHigh; + SLI2_RDSC rdsc[MAX_RINGS]; +} PCB_t; + +/* NEW_FEATURE */ +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t rsvd0:27; + uint32_t discardFarp:1; + uint32_t IPEnable:1; + uint32_t nodeName:1; + uint32_t portName:1; + uint32_t filterEnable:1; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t filterEnable:1; + uint32_t portName:1; + uint32_t nodeName:1; + uint32_t IPEnable:1; + uint32_t discardFarp:1; + uint32_t rsvd:27; +#endif + + uint8_t portname[8]; /* Used to be struct lpfc_name */ + uint8_t nodename[8]; + uint32_t rsvd1; + uint32_t rsvd2; + uint32_t rsvd3; + uint32_t IPAddress; +} CONFIG_FARP_VAR; + +/* Union of all Mailbox Command types */ +#define MAILBOX_CMD_WSIZE 32 +#define MAILBOX_CMD_SIZE (MAILBOX_CMD_WSIZE * sizeof(uint32_t)) + +typedef union { + uint32_t varWords[MAILBOX_CMD_WSIZE - 1]; + LOAD_SM_VAR varLdSM; /* cmd = 1 (LOAD_SM) */ + READ_NV_VAR varRDnvp; /* cmd = 2 (READ_NVPARMS) */ + WRITE_NV_VAR varWTnvp; /* cmd = 3 (WRITE_NVPARMS) */ + BIU_DIAG_VAR varBIUdiag; /* cmd = 4 (RUN_BIU_DIAG) */ + INIT_LINK_VAR varInitLnk; /* cmd = 5 (INIT_LINK) */ + DOWN_LINK_VAR varDwnLnk; /* cmd = 6 (DOWN_LINK) */ + CONFIG_LINK varCfgLnk; /* cmd = 7 (CONFIG_LINK) */ + PART_SLIM_VAR varSlim; /* cmd = 8 (PART_SLIM) */ + CONFIG_RING_VAR varCfgRing; /* cmd = 9 (CONFIG_RING) */ + RESET_RING_VAR varRstRing; /* cmd = 10 (RESET_RING) */ + READ_CONFIG_VAR varRdConfig; /* cmd = 11 (READ_CONFIG) */ + READ_RCONF_VAR varRdRConfig; /* cmd = 12 (READ_RCONFIG) */ + READ_SPARM_VAR varRdSparm; /* cmd = 13 (READ_SPARM(64)) */ + READ_STATUS_VAR varRdStatus; /* cmd = 14 (READ_STATUS) */ + READ_RPI_VAR varRdRPI; /* cmd = 15 (READ_RPI(64)) */ + READ_XRI_VAR varRdXRI; /* cmd = 16 (READ_XRI) */ + READ_REV_VAR varRdRev; /* cmd = 17 (READ_REV) */ + READ_LNK_VAR varRdLnk; /* cmd = 18 (READ_LNK_STAT) */ + REG_LOGIN_VAR varRegLogin; /* cmd = 19 (REG_LOGIN(64)) */ + UNREG_LOGIN_VAR varUnregLogin; /* cmd = 20 (UNREG_LOGIN) */ + READ_LA_VAR varReadLA; /* cmd = 21 (READ_LA(64)) */ + CLEAR_LA_VAR varClearLA; /* cmd = 22 (CLEAR_LA) */ + DUMP_VAR varDmp; /* Warm Start DUMP mbx cmd */ + UNREG_D_ID_VAR varUnregDID; /* cmd = 0x23 (UNREG_D_ID) */ + CONFIG_FARP_VAR varCfgFarp; /* cmd = 0x25 (CONFIG_FARP) NEW_FEATURE */ + CONFIG_PORT_VAR varCfgPort; /* cmd = 0x88 (CONFIG_PORT) */ +} MAILVARIANTS; + +/* + * SLI-2 specific structures + */ + +typedef struct { + uint32_t cmdPutInx; + uint32_t rspGetInx; +} HGP; + +typedef struct { + uint32_t cmdGetInx; + uint32_t rspPutInx; +} PGP; + +typedef struct _SLI2_DESC { + HGP host[MAX_RINGS]; + uint32_t unused1[16]; + PGP port[MAX_RINGS]; +} SLI2_DESC; + +typedef union { + SLI2_DESC s2; +} SLI_VAR; + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint16_t mbxStatus; + uint8_t mbxCommand; + uint8_t mbxReserved:6; + uint8_t mbxHc:1; + uint8_t mbxOwner:1; /* Low order bit first word */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint8_t mbxOwner:1; /* Low order bit first word */ + uint8_t mbxHc:1; + uint8_t mbxReserved:6; + uint8_t mbxCommand; + uint16_t mbxStatus; +#endif + + MAILVARIANTS un; + SLI_VAR us; +} MAILBOX_t; + +/* + * Begin Structure Definitions for IOCB Commands + */ + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint8_t statAction; + uint8_t statRsn; + uint8_t statBaExp; + uint8_t statLocalError; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint8_t statLocalError; + uint8_t statBaExp; + uint8_t statRsn; + uint8_t statAction; +#endif + /* statRsn P/F_RJT reason codes */ +#define RJT_BAD_D_ID 0x01 /* Invalid D_ID field */ +#define RJT_BAD_S_ID 0x02 /* Invalid S_ID field */ +#define RJT_UNAVAIL_TEMP 0x03 /* N_Port unavailable temp. */ +#define RJT_UNAVAIL_PERM 0x04 /* N_Port unavailable perm. */ +#define RJT_UNSUP_CLASS 0x05 /* Class not supported */ +#define RJT_DELIM_ERR 0x06 /* Delimiter usage error */ +#define RJT_UNSUP_TYPE 0x07 /* Type not supported */ +#define RJT_BAD_CONTROL 0x08 /* Invalid link conrtol */ +#define RJT_BAD_RCTL 0x09 /* R_CTL invalid */ +#define RJT_BAD_FCTL 0x0A /* F_CTL invalid */ +#define RJT_BAD_OXID 0x0B /* OX_ID invalid */ +#define RJT_BAD_RXID 0x0C /* RX_ID invalid */ +#define RJT_BAD_SEQID 0x0D /* SEQ_ID invalid */ +#define RJT_BAD_DFCTL 0x0E /* DF_CTL invalid */ +#define RJT_BAD_SEQCNT 0x0F /* SEQ_CNT invalid */ +#define RJT_BAD_PARM 0x10 /* Param. field invalid */ +#define RJT_XCHG_ERR 0x11 /* Exchange error */ +#define RJT_PROT_ERR 0x12 /* Protocol error */ +#define RJT_BAD_LENGTH 0x13 /* Invalid Length */ +#define RJT_UNEXPECTED_ACK 0x14 /* Unexpected ACK */ +#define RJT_LOGIN_REQUIRED 0x16 /* Login required */ +#define RJT_TOO_MANY_SEQ 0x17 /* Excessive sequences */ +#define RJT_XCHG_NOT_STRT 0x18 /* Exchange not started */ +#define RJT_UNSUP_SEC_HDR 0x19 /* Security hdr not supported */ +#define RJT_UNAVAIL_PATH 0x1A /* Fabric Path not available */ +#define RJT_VENDOR_UNIQUE 0xFF /* Vendor unique error */ + +#define IOERR_SUCCESS 0x00 /* statLocalError */ +#define IOERR_MISSING_CONTINUE 0x01 +#define IOERR_SEQUENCE_TIMEOUT 0x02 +#define IOERR_INTERNAL_ERROR 0x03 +#define IOERR_INVALID_RPI 0x04 +#define IOERR_NO_XRI 0x05 +#define IOERR_ILLEGAL_COMMAND 0x06 +#define IOERR_XCHG_DROPPED 0x07 +#define IOERR_ILLEGAL_FIELD 0x08 +#define IOERR_BAD_CONTINUE 0x09 +#define IOERR_TOO_MANY_BUFFERS 0x0A +#define IOERR_RCV_BUFFER_WAITING 0x0B +#define IOERR_NO_CONNECTION 0x0C +#define IOERR_TX_DMA_FAILED 0x0D +#define IOERR_RX_DMA_FAILED 0x0E +#define IOERR_ILLEGAL_FRAME 0x0F +#define IOERR_EXTRA_DATA 0x10 +#define IOERR_NO_RESOURCES 0x11 +#define IOERR_RESERVED 0x12 +#define IOERR_ILLEGAL_LENGTH 0x13 +#define IOERR_UNSUPPORTED_FEATURE 0x14 +#define IOERR_ABORT_IN_PROGRESS 0x15 +#define IOERR_ABORT_REQUESTED 0x16 +#define IOERR_RECEIVE_BUFFER_TIMEOUT 0x17 +#define IOERR_LOOP_OPEN_FAILURE 0x18 +#define IOERR_RING_RESET 0x19 +#define IOERR_LINK_DOWN 0x1A +#define IOERR_CORRUPTED_DATA 0x1B +#define IOERR_CORRUPTED_RPI 0x1C +#define IOERR_OUT_OF_ORDER_DATA 0x1D +#define IOERR_OUT_OF_ORDER_ACK 0x1E +#define IOERR_DUP_FRAME 0x1F +#define IOERR_LINK_CONTROL_FRAME 0x20 /* ACK_N received */ +#define IOERR_BAD_HOST_ADDRESS 0x21 +#define IOERR_RCV_HDRBUF_WAITING 0x22 +#define IOERR_MISSING_HDR_BUFFER 0x23 +#define IOERR_MSEQ_CHAIN_CORRUPTED 0x24 +#define IOERR_ABORTMULT_REQUESTED 0x25 +#define IOERR_BUFFER_SHORTAGE 0x28 +#define IOERR_DEFAULT 0x29 +#define IOERR_CNT 0x2A + +#define IOERR_DRVR_MASK 0x100 +#define IOERR_SLI_DOWN 0x101 /* ulpStatus - Driver defined */ +#define IOERR_SLI_BRESET 0x102 +#define IOERR_SLI_ABORTED 0x103 +} PARM_ERR; + +typedef union { + struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint8_t Rctl; /* R_CTL field */ + uint8_t Type; /* TYPE field */ + uint8_t Dfctl; /* DF_CTL field */ + uint8_t Fctl; /* Bits 0-7 of IOCB word 5 */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint8_t Fctl; /* Bits 0-7 of IOCB word 5 */ + uint8_t Dfctl; /* DF_CTL field */ + uint8_t Type; /* TYPE field */ + uint8_t Rctl; /* R_CTL field */ +#endif + +#define BC 0x02 /* Broadcast Received - Fctl */ +#define SI 0x04 /* Sequence Initiative */ +#define LA 0x08 /* Ignore Link Attention state */ +#define LS 0x80 /* Last Sequence */ + } hcsw; + uint32_t reserved; +} WORD5; + +/* IOCB Command template for a generic response */ +typedef struct { + uint32_t reserved[4]; + PARM_ERR perr; +} GENERIC_RSP; + +/* IOCB Command template for XMIT / XMIT_BCAST / RCV_SEQUENCE / XMIT_ELS */ +typedef struct { + struct ulp_bde xrsqbde[2]; + uint32_t xrsqRo; /* Starting Relative Offset */ + WORD5 w5; /* Header control/status word */ +} XR_SEQ_FIELDS; + +/* IOCB Command template for ELS_REQUEST */ +typedef struct { + struct ulp_bde elsReq; + struct ulp_bde elsRsp; + +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t word4Rsvd:7; + uint32_t fl:1; + uint32_t myID:24; + uint32_t word5Rsvd:8; + uint32_t remoteID:24; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t myID:24; + uint32_t fl:1; + uint32_t word4Rsvd:7; + uint32_t remoteID:24; + uint32_t word5Rsvd:8; +#endif +} ELS_REQUEST; + +/* IOCB Command template for RCV_ELS_REQ */ +typedef struct { + struct ulp_bde elsReq[2]; + uint32_t parmRo; + +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t word5Rsvd:8; + uint32_t remoteID:24; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t remoteID:24; + uint32_t word5Rsvd:8; +#endif +} RCV_ELS_REQ; + +/* IOCB Command template for ABORT / CLOSE_XRI */ +typedef struct { + uint32_t rsvd[3]; + uint32_t abortType; +#define ABORT_TYPE_ABTX 0x00000000 +#define ABORT_TYPE_ABTS 0x00000001 + uint32_t parm; +#ifdef __BIG_ENDIAN_BITFIELD + uint16_t abortContextTag; /* ulpContext from command to abort/close */ + uint16_t abortIoTag; /* ulpIoTag from command to abort/close */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint16_t abortIoTag; /* ulpIoTag from command to abort/close */ + uint16_t abortContextTag; /* ulpContext from command to abort/close */ +#endif +} AC_XRI; + +/* IOCB Command template for ABORT_MXRI64 */ +typedef struct { + uint32_t rsvd[3]; + uint32_t abortType; + uint32_t parm; + uint32_t iotag32; +} A_MXRI64; + +/* IOCB Command template for GET_RPI */ +typedef struct { + uint32_t rsvd[4]; + uint32_t parmRo; +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t word5Rsvd:8; + uint32_t remoteID:24; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t remoteID:24; + uint32_t word5Rsvd:8; +#endif +} GET_RPI; + +/* IOCB Command template for all FCP Initiator commands */ +typedef struct { + struct ulp_bde fcpi_cmnd; /* FCP_CMND payload descriptor */ + struct ulp_bde fcpi_rsp; /* Rcv buffer */ + uint32_t fcpi_parm; + uint32_t fcpi_XRdy; /* transfer ready for IWRITE */ +} FCPI_FIELDS; + +/* IOCB Command template for all FCP Target commands */ +typedef struct { + struct ulp_bde fcpt_Buffer[2]; /* FCP_CMND payload descriptor */ + uint32_t fcpt_Offset; + uint32_t fcpt_Length; /* transfer ready for IWRITE */ +} FCPT_FIELDS; + +/* SLI-2 IOCB structure definitions */ + +/* IOCB Command template for 64 bit XMIT / XMIT_BCAST / XMIT_ELS */ +typedef struct { + ULP_BDL bdl; + uint32_t xrsqRo; /* Starting Relative Offset */ + WORD5 w5; /* Header control/status word */ +} XMT_SEQ_FIELDS64; + +/* IOCB Command template for 64 bit RCV_SEQUENCE64 */ +typedef struct { + struct ulp_bde64 rcvBde; + uint32_t rsvd1; + uint32_t xrsqRo; /* Starting Relative Offset */ + WORD5 w5; /* Header control/status word */ +} RCV_SEQ_FIELDS64; + +/* IOCB Command template for ELS_REQUEST64 */ +typedef struct { + ULP_BDL bdl; +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t word4Rsvd:7; + uint32_t fl:1; + uint32_t myID:24; + uint32_t word5Rsvd:8; + uint32_t remoteID:24; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t myID:24; + uint32_t fl:1; + uint32_t word4Rsvd:7; + uint32_t remoteID:24; + uint32_t word5Rsvd:8; +#endif +} ELS_REQUEST64; + +/* IOCB Command template for GEN_REQUEST64 */ +typedef struct { + ULP_BDL bdl; + uint32_t xrsqRo; /* Starting Relative Offset */ + WORD5 w5; /* Header control/status word */ +} GEN_REQUEST64; + +/* IOCB Command template for RCV_ELS_REQ64 */ +typedef struct { + struct ulp_bde64 elsReq; + uint32_t rcvd1; + uint32_t parmRo; + +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t word5Rsvd:8; + uint32_t remoteID:24; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t remoteID:24; + uint32_t word5Rsvd:8; +#endif +} RCV_ELS_REQ64; + +/* IOCB Command template for all 64 bit FCP Initiator commands */ +typedef struct { + ULP_BDL bdl; + uint32_t fcpi_parm; + uint32_t fcpi_XRdy; /* transfer ready for IWRITE */ +} FCPI_FIELDS64; + +/* IOCB Command template for all 64 bit FCP Target commands */ +typedef struct { + ULP_BDL bdl; + uint32_t fcpt_Offset; + uint32_t fcpt_Length; /* transfer ready for IWRITE */ +} FCPT_FIELDS64; + +typedef struct _IOCB { /* IOCB structure */ + union { + GENERIC_RSP grsp; /* Generic response */ + XR_SEQ_FIELDS xrseq; /* XMIT / BCAST / RCV_SEQUENCE cmd */ + struct ulp_bde cont[3]; /* up to 3 continuation bdes */ + RCV_ELS_REQ rcvels; /* RCV_ELS_REQ template */ + AC_XRI acxri; /* ABORT / CLOSE_XRI template */ + A_MXRI64 amxri; /* abort multiple xri command overlay */ + GET_RPI getrpi; /* GET_RPI template */ + FCPI_FIELDS fcpi; /* FCP Initiator template */ + FCPT_FIELDS fcpt; /* FCP target template */ + + /* SLI-2 structures */ + + struct ulp_bde64 cont64[2]; /* up to 2 64 bit continuation + bde_64s */ + ELS_REQUEST64 elsreq64; /* ELS_REQUEST template */ + GEN_REQUEST64 genreq64; /* GEN_REQUEST template */ + RCV_ELS_REQ64 rcvels64; /* RCV_ELS_REQ template */ + XMT_SEQ_FIELDS64 xseq64; /* XMIT / BCAST cmd */ + FCPI_FIELDS64 fcpi64; /* FCP 64 bit Initiator template */ + FCPT_FIELDS64 fcpt64; /* FCP 64 bit target template */ + + uint32_t ulpWord[IOCB_WORD_SZ - 2]; /* generic 6 'words' */ + } un; + union { + struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint16_t ulpContext; /* High order bits word 6 */ + uint16_t ulpIoTag; /* Low order bits word 6 */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint16_t ulpIoTag; /* Low order bits word 6 */ + uint16_t ulpContext; /* High order bits word 6 */ +#endif + } t1; + struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint16_t ulpContext; /* High order bits word 6 */ + uint16_t ulpIoTag1:2; /* Low order bits word 6 */ + uint16_t ulpIoTag0:14; /* Low order bits word 6 */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint16_t ulpIoTag0:14; /* Low order bits word 6 */ + uint16_t ulpIoTag1:2; /* Low order bits word 6 */ + uint16_t ulpContext; /* High order bits word 6 */ +#endif + } t2; + } un1; +#define ulpContext un1.t1.ulpContext +#define ulpIoTag un1.t1.ulpIoTag +#define ulpIoTag0 un1.t2.ulpIoTag0 + +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t ulpTimeout:8; + uint32_t ulpXS:1; + uint32_t ulpFCP2Rcvy:1; + uint32_t ulpPU:2; + uint32_t ulpIr:1; + uint32_t ulpClass:3; + uint32_t ulpCommand:8; + uint32_t ulpStatus:4; + uint32_t ulpBdeCount:2; + uint32_t ulpLe:1; + uint32_t ulpOwner:1; /* Low order bit word 7 */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t ulpOwner:1; /* Low order bit word 7 */ + uint32_t ulpLe:1; + uint32_t ulpBdeCount:2; + uint32_t ulpStatus:4; + uint32_t ulpCommand:8; + uint32_t ulpClass:3; + uint32_t ulpIr:1; + uint32_t ulpPU:2; + uint32_t ulpFCP2Rcvy:1; + uint32_t ulpXS:1; + uint32_t ulpTimeout:8; +#endif + +#define PARM_UNUSED 0 /* PU field (Word 4) not used */ +#define PARM_REL_OFF 1 /* PU field (Word 4) = R. O. */ +#define PARM_READ_CHECK 2 /* PU field (Word 4) = Data Transfer Length */ +#define CLASS1 0 /* Class 1 */ +#define CLASS2 1 /* Class 2 */ +#define CLASS3 2 /* Class 3 */ +#define CLASS_FCP_INTERMIX 7 /* FCP Data->Cls 1, all else->Cls 2 */ + +#define IOSTAT_SUCCESS 0x0 /* ulpStatus - HBA defined */ +#define IOSTAT_FCP_RSP_ERROR 0x1 +#define IOSTAT_REMOTE_STOP 0x2 +#define IOSTAT_LOCAL_REJECT 0x3 +#define IOSTAT_NPORT_RJT 0x4 +#define IOSTAT_FABRIC_RJT 0x5 +#define IOSTAT_NPORT_BSY 0x6 +#define IOSTAT_FABRIC_BSY 0x7 +#define IOSTAT_INTERMED_RSP 0x8 +#define IOSTAT_LS_RJT 0x9 +#define IOSTAT_BA_RJT 0xA +#define IOSTAT_RSVD1 0xB +#define IOSTAT_RSVD2 0xC +#define IOSTAT_RSVD3 0xD +#define IOSTAT_RSVD4 0xE +#define IOSTAT_RSVD5 0xF +#define IOSTAT_DRIVER_REJECT 0x10 /* ulpStatus - Driver defined */ +#define IOSTAT_DEFAULT 0xF /* Same as rsvd5 for now */ +#define IOSTAT_CNT 0x11 + +} IOCB_t; + + +#define SLI1_SLIM_SIZE (4 * 1024) + +/* Up to 498 IOCBs will fit into 16k + * 256 (MAILBOX_t) + 140 (PCB_t) + ( 32 (IOCB_t) * 498 ) = < 16384 + */ +#define SLI2_SLIM_SIZE (16 * 1024) + +/* Maximum IOCBs that will fit in SLI2 slim */ +#define MAX_SLI2_IOCB 498 + +struct lpfc_sli2_slim { + MAILBOX_t mbx; + PCB_t pcb; + IOCB_t IOCBs[MAX_SLI2_IOCB]; +}; + +/******************************************************************* +This macro check PCI device to allow special handling for LC HBAs. + +Parameters: +device : struct pci_dev 's device field + +return 1 => TRUE + 0 => FALSE + *******************************************************************/ +static inline int +lpfc_is_LC_HBA(unsigned short device) +{ + if ((device == PCI_DEVICE_ID_TFLY) || + (device == PCI_DEVICE_ID_PFLY) || + (device == PCI_DEVICE_ID_LP101) || + (device == PCI_DEVICE_ID_BMID) || + (device == PCI_DEVICE_ID_BSMB) || + (device == PCI_DEVICE_ID_ZMID) || + (device == PCI_DEVICE_ID_ZSMB) || + (device == PCI_DEVICE_ID_RFLY)) + return 1; + else + return 0; +} diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c new file mode 100644 index 000000000000..233c912b63ce --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -0,0 +1,1739 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_init.c 1.233 2005/04/13 11:59:09EDT sf_support Exp $ + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include "lpfc_hw.h" +#include "lpfc_sli.h" +#include "lpfc_disc.h" +#include "lpfc_scsi.h" +#include "lpfc.h" +#include "lpfc_logmsg.h" +#include "lpfc_crtn.h" +#include "lpfc_version.h" + +static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *); +static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); +static int lpfc_post_rcv_buf(struct lpfc_hba *); + +static struct scsi_transport_template *lpfc_transport_template = NULL; +static DEFINE_IDR(lpfc_hba_index); + +/************************************************************************/ +/* */ +/* lpfc_config_port_prep */ +/* This routine will do LPFC initialization prior to the */ +/* CONFIG_PORT mailbox command. This will be initialized */ +/* as a SLI layer callback routine. */ +/* This routine returns 0 on success or -ERESTART if it wants */ +/* the SLI layer to reset the HBA and try again. Any */ +/* other return value indicates an error. */ +/* */ +/************************************************************************/ +int +lpfc_config_port_prep(struct lpfc_hba * phba) +{ + lpfc_vpd_t *vp = &phba->vpd; + int i = 0, rc; + LPFC_MBOXQ_t *pmb; + MAILBOX_t *mb; + char *lpfc_vpd_data = NULL; + uint16_t offset = 0; + static char licensed[56] = + "key unlock for use with gnu public licensed code only\0"; + + pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!pmb) { + phba->hba_state = LPFC_HBA_ERROR; + return -ENOMEM; + } + + mb = &pmb->mb; + phba->hba_state = LPFC_INIT_MBX_CMDS; + + if (lpfc_is_LC_HBA(phba->pcidev->device)) { + uint32_t *ptext = (uint32_t *) licensed; + + for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) + *ptext = cpu_to_be32(*ptext); + + lpfc_read_nv(phba, pmb); + memset((char*)mb->un.varRDnvp.rsvd3, 0, + sizeof (mb->un.varRDnvp.rsvd3)); + memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, + sizeof (licensed)); + + rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); + + if (rc != MBX_SUCCESS) { + lpfc_printf_log(phba, + KERN_ERR, + LOG_MBOX, + "%d:0324 Config Port initialization " + "error, mbxCmd x%x READ_NVPARM, " + "mbxStatus x%x\n", + phba->brd_no, + mb->mbxCommand, mb->mbxStatus); + mempool_free(pmb, phba->mbox_mem_pool); + return -ERESTART; + } + memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, + sizeof (mb->un.varRDnvp.nodename)); + } + + /* Setup and issue mailbox READ REV command */ + lpfc_read_rev(phba, pmb); + rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); + if (rc != MBX_SUCCESS) { + lpfc_printf_log(phba, + KERN_ERR, + LOG_INIT, + "%d:0439 Adapter failed to init, mbxCmd x%x " + "READ_REV, mbxStatus x%x\n", + phba->brd_no, + mb->mbxCommand, mb->mbxStatus); + mempool_free( pmb, phba->mbox_mem_pool); + return -ERESTART; + } + + /* The HBA's current state is provided by the ProgType and rr fields. + * Read and check the value of these fields before continuing to config + * this port. + */ + if (mb->un.varRdRev.rr == 0 || mb->un.varRdRev.un.b.ProgType != 2) { + /* Old firmware */ + vp->rev.rBit = 0; + lpfc_printf_log(phba, + KERN_ERR, + LOG_INIT, + "%d:0440 Adapter failed to init, mbxCmd x%x " + "READ_REV detected outdated firmware" + "Data: x%x\n", + phba->brd_no, + mb->mbxCommand, 0); + mempool_free(pmb, phba->mbox_mem_pool); + return -ERESTART; + } else { + vp->rev.rBit = 1; + vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; + memcpy(vp->rev.sli1FwName, + (char*)mb->un.varRdRev.sli1FwName, 16); + vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; + memcpy(vp->rev.sli2FwName, + (char *)mb->un.varRdRev.sli2FwName, 16); + } + + /* Save information as VPD data */ + vp->rev.biuRev = mb->un.varRdRev.biuRev; + vp->rev.smRev = mb->un.varRdRev.smRev; + vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; + vp->rev.endecRev = mb->un.varRdRev.endecRev; + vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; + vp->rev.fcphLow = mb->un.varRdRev.fcphLow; + vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; + vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; + vp->rev.postKernRev = mb->un.varRdRev.postKernRev; + vp->rev.opFwRev = mb->un.varRdRev.opFwRev; + + if (lpfc_is_LC_HBA(phba->pcidev->device)) + memcpy(phba->RandomData, (char *)&mb->un.varWords[24], + sizeof (phba->RandomData)); + + /* Get the default values for Model Name and Description */ + lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); + + /* Get adapter VPD information */ + pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL); + if (!pmb->context2) + goto out_free_mbox; + lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); + if (!lpfc_vpd_data) + goto out_free_context2; + + do { + lpfc_dump_mem(phba, pmb, offset); + rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); + + if (rc != MBX_SUCCESS) { + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "%d:0441 VPD not present on adapter, " + "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", + phba->brd_no, + mb->mbxCommand, mb->mbxStatus); + kfree(lpfc_vpd_data); + lpfc_vpd_data = NULL; + break; + } + + lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset, + mb->un.varDmp.word_cnt); + offset += mb->un.varDmp.word_cnt; + } while (mb->un.varDmp.word_cnt); + lpfc_parse_vpd(phba, lpfc_vpd_data); + + kfree(lpfc_vpd_data); +out_free_context2: + kfree(pmb->context2); +out_free_mbox: + mempool_free(pmb, phba->mbox_mem_pool); + return 0; +} + +/************************************************************************/ +/* */ +/* lpfc_config_port_post */ +/* This routine will do LPFC initialization after the */ +/* CONFIG_PORT mailbox command. This will be initialized */ +/* as a SLI layer callback routine. */ +/* This routine returns 0 on success. Any other return value */ +/* indicates an error. */ +/* */ +/************************************************************************/ +int +lpfc_config_port_post(struct lpfc_hba * phba) +{ + LPFC_MBOXQ_t *pmb; + MAILBOX_t *mb; + struct lpfc_dmabuf *mp; + struct lpfc_sli *psli = &phba->sli; + uint32_t status, timeout; + int i, j, rc; + + pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!pmb) { + phba->hba_state = LPFC_HBA_ERROR; + return -ENOMEM; + } + mb = &pmb->mb; + + lpfc_config_link(phba, pmb); + rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); + if (rc != MBX_SUCCESS) { + lpfc_printf_log(phba, + KERN_ERR, + LOG_INIT, + "%d:0447 Adapter failed init, mbxCmd x%x " + "CONFIG_LINK mbxStatus x%x\n", + phba->brd_no, + mb->mbxCommand, mb->mbxStatus); + phba->hba_state = LPFC_HBA_ERROR; + mempool_free( pmb, phba->mbox_mem_pool); + return -EIO; + } + + /* Get login parameters for NID. */ + lpfc_read_sparam(phba, pmb); + if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { + lpfc_printf_log(phba, + KERN_ERR, + LOG_INIT, + "%d:0448 Adapter failed init, mbxCmd x%x " + "READ_SPARM mbxStatus x%x\n", + phba->brd_no, + mb->mbxCommand, mb->mbxStatus); + phba->hba_state = LPFC_HBA_ERROR; + mp = (struct lpfc_dmabuf *) pmb->context1; + mempool_free( pmb, phba->mbox_mem_pool); + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + return -EIO; + } + + mp = (struct lpfc_dmabuf *) pmb->context1; + + memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm)); + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + pmb->context1 = NULL; + + memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName, + sizeof (struct lpfc_name)); + memcpy(&phba->fc_portname, &phba->fc_sparam.portName, + sizeof (struct lpfc_name)); + /* If no serial number in VPD data, use low 6 bytes of WWNN */ + /* This should be consolidated into parse_vpd ? - mr */ + if (phba->SerialNumber[0] == 0) { + uint8_t *outptr; + + outptr = (uint8_t *) & phba->fc_nodename.IEEE[0]; + for (i = 0; i < 12; i++) { + status = *outptr++; + j = ((status & 0xf0) >> 4); + if (j <= 9) + phba->SerialNumber[i] = + (char)((uint8_t) 0x30 + (uint8_t) j); + else + phba->SerialNumber[i] = + (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); + i++; + j = (status & 0xf); + if (j <= 9) + phba->SerialNumber[i] = + (char)((uint8_t) 0x30 + (uint8_t) j); + else + phba->SerialNumber[i] = + (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); + } + } + + /* This should turn on DELAYED ABTS for ELS timeouts */ + lpfc_set_slim(phba, pmb, 0x052198, 0x1); + if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { + phba->hba_state = LPFC_HBA_ERROR; + mempool_free( pmb, phba->mbox_mem_pool); + return -EIO; + } + + + lpfc_read_config(phba, pmb); + if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { + lpfc_printf_log(phba, + KERN_ERR, + LOG_INIT, + "%d:0453 Adapter failed to init, mbxCmd x%x " + "READ_CONFIG, mbxStatus x%x\n", + phba->brd_no, + mb->mbxCommand, mb->mbxStatus); + phba->hba_state = LPFC_HBA_ERROR; + mempool_free( pmb, phba->mbox_mem_pool); + return -EIO; + } + + /* Reset the DFT_HBA_Q_DEPTH to the max xri */ + if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) + phba->cfg_hba_queue_depth = + mb->un.varRdConfig.max_xri + 1; + + phba->lmt = mb->un.varRdConfig.lmt; + /* HBA is not 4GB capable, or HBA is not 2GB capable, + don't let link speed ask for it */ + if ((((phba->lmt & LMT_4250_10bit) != LMT_4250_10bit) && + (phba->cfg_link_speed > LINK_SPEED_2G)) || + (((phba->lmt & LMT_2125_10bit) != LMT_2125_10bit) && + (phba->cfg_link_speed > LINK_SPEED_1G))) { + /* Reset link speed to auto. 1G/2GB HBA cfg'd for 4G */ + lpfc_printf_log(phba, + KERN_WARNING, + LOG_LINK_EVENT, + "%d:1302 Invalid speed for this board: " + "Reset link speed to auto: x%x\n", + phba->brd_no, + phba->cfg_link_speed); + phba->cfg_link_speed = LINK_SPEED_AUTO; + } + + phba->hba_state = LPFC_LINK_DOWN; + + /* Only process IOCBs on ring 0 till hba_state is READY */ + if (psli->ring[psli->ip_ring].cmdringaddr) + psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT; + if (psli->ring[psli->fcp_ring].cmdringaddr) + psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; + if (psli->ring[psli->next_ring].cmdringaddr) + psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; + + /* Post receive buffers for desired rings */ + lpfc_post_rcv_buf(phba); + + /* Enable appropriate host interrupts */ + spin_lock_irq(phba->host->host_lock); + status = readl(phba->HCregaddr); + status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; + if (psli->num_rings > 0) + status |= HC_R0INT_ENA; + if (psli->num_rings > 1) + status |= HC_R1INT_ENA; + if (psli->num_rings > 2) + status |= HC_R2INT_ENA; + if (psli->num_rings > 3) + status |= HC_R3INT_ENA; + + writel(status, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + spin_unlock_irq(phba->host->host_lock); + + /* + * Setup the ring 0 (els) timeout handler + */ + timeout = phba->fc_ratov << 1; + phba->els_tmofunc.expires = jiffies + HZ * timeout; + add_timer(&phba->els_tmofunc); + + lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); + pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + if (lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT) != MBX_SUCCESS) { + lpfc_printf_log(phba, + KERN_ERR, + LOG_INIT, + "%d:0454 Adapter failed to init, mbxCmd x%x " + "INIT_LINK, mbxStatus x%x\n", + phba->brd_no, + mb->mbxCommand, mb->mbxStatus); + + /* Clear all interrupt enable conditions */ + writel(0, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + /* Clear all pending interrupts */ + writel(0xffffffff, phba->HAregaddr); + readl(phba->HAregaddr); /* flush */ + + phba->hba_state = LPFC_HBA_ERROR; + mempool_free(pmb, phba->mbox_mem_pool); + return -EIO; + } + /* MBOX buffer will be freed in mbox compl */ + + i = 0; + while ((phba->hba_state != LPFC_HBA_READY) || + (phba->num_disc_nodes) || (phba->fc_prli_sent) || + ((phba->fc_map_cnt == 0) && (i<2)) || + (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) { + /* Check every second for 30 retries. */ + i++; + if (i > 30) { + break; + } + if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) { + /* The link is down. Set linkdown timeout */ + break; + } + + /* Delay for 1 second to give discovery time to complete. */ + msleep(1000); + + } + + /* Since num_disc_nodes keys off of PLOGI, delay a bit to let + * any potential PRLIs to flush thru the SLI sub-system. + */ + msleep(50); + + return (0); +} + +/************************************************************************/ +/* */ +/* lpfc_hba_down_prep */ +/* This routine will do LPFC uninitialization before the */ +/* HBA is reset when bringing down the SLI Layer. This will be */ +/* initialized as a SLI layer callback routine. */ +/* This routine returns 0 on success. Any other return value */ +/* indicates an error. */ +/* */ +/************************************************************************/ +int +lpfc_hba_down_prep(struct lpfc_hba * phba) +{ + /* Disable interrupts */ + writel(0, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + + /* Cleanup potential discovery resources */ + lpfc_els_flush_rscn(phba); + lpfc_els_flush_cmd(phba); + lpfc_disc_flush_list(phba); + + return (0); +} + +/************************************************************************/ +/* */ +/* lpfc_handle_eratt */ +/* This routine will handle processing a Host Attention */ +/* Error Status event. This will be initialized */ +/* as a SLI layer callback routine. */ +/* */ +/************************************************************************/ +void +lpfc_handle_eratt(struct lpfc_hba * phba) +{ + struct lpfc_sli *psli = &phba->sli; + struct lpfc_sli_ring *pring; + + /* + * If a reset is sent to the HBA restore PCI configuration registers. + */ + if ( phba->hba_state == LPFC_INIT_START ) { + mdelay(1); + readl(phba->HCregaddr); /* flush */ + writel(0, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + + /* Restore PCI cmd register */ + pci_write_config_word(phba->pcidev, + PCI_COMMAND, phba->pci_cfg_value); + } + + if (phba->work_hs & HS_FFER6) { + /* Re-establishing Link */ + lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, + "%d:1301 Re-establishing Link " + "Data: x%x x%x x%x\n", + phba->brd_no, phba->work_hs, + phba->work_status[0], phba->work_status[1]); + spin_lock_irq(phba->host->host_lock); + phba->fc_flag |= FC_ESTABLISH_LINK; + spin_unlock_irq(phba->host->host_lock); + + /* + * Firmware stops when it triggled erratt with HS_FFER6. + * That could cause the I/Os dropped by the firmware. + * Error iocb (I/O) on txcmplq and let the SCSI layer + * retry it after re-establishing link. + */ + pring = &psli->ring[psli->fcp_ring]; + lpfc_sli_abort_iocb_ring(phba, pring); + + + /* + * There was a firmware error. Take the hba offline and then + * attempt to restart it. + */ + lpfc_offline(phba); + if (lpfc_online(phba) == 0) { /* Initialize the HBA */ + mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); + return; + } + } else { + /* The if clause above forces this code path when the status + * failure is a value other than FFER6. Do not call the offline + * twice. This is the adapter hardware error path. + */ + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "%d:0457 Adapter Hardware Error " + "Data: x%x x%x x%x\n", + phba->brd_no, phba->work_hs, + phba->work_status[0], phba->work_status[1]); + + lpfc_offline(phba); + + /* + * Restart all traffic to this host. Since the fc_transport + * block functions (future) were not called in lpfc_offline, + * don't call them here. + */ + scsi_unblock_requests(phba->host); + } +} + +/************************************************************************/ +/* */ +/* lpfc_handle_latt */ +/* This routine will handle processing a Host Attention */ +/* Link Status event. This will be initialized */ +/* as a SLI layer callback routine. */ +/* */ +/************************************************************************/ +void +lpfc_handle_latt(struct lpfc_hba * phba) +{ + struct lpfc_sli *psli = &phba->sli; + LPFC_MBOXQ_t *pmb; + volatile uint32_t control; + struct lpfc_dmabuf *mp; + int rc = -ENOMEM; + + pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!pmb) + goto lpfc_handle_latt_err_exit; + + mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); + if (!mp) + goto lpfc_handle_latt_free_pmb; + + mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); + if (!mp->virt) + goto lpfc_handle_latt_free_mp; + + rc = -EIO; + + + psli->slistat.link_event++; + lpfc_read_la(phba, pmb, mp); + pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; + rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)); + if (rc == MBX_NOT_FINISHED) + goto lpfc_handle_latt_free_mp; + + /* Clear Link Attention in HA REG */ + spin_lock_irq(phba->host->host_lock); + writel(HA_LATT, phba->HAregaddr); + readl(phba->HAregaddr); /* flush */ + spin_unlock_irq(phba->host->host_lock); + + return; + +lpfc_handle_latt_free_mp: + kfree(mp); +lpfc_handle_latt_free_pmb: + kfree(pmb); +lpfc_handle_latt_err_exit: + /* Enable Link attention interrupts */ + spin_lock_irq(phba->host->host_lock); + psli->sli_flag |= LPFC_PROCESS_LA; + control = readl(phba->HCregaddr); + control |= HC_LAINT_ENA; + writel(control, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + + /* Clear Link Attention in HA REG */ + writel(HA_LATT, phba->HAregaddr); + readl(phba->HAregaddr); /* flush */ + spin_unlock_irq(phba->host->host_lock); + lpfc_linkdown(phba); + phba->hba_state = LPFC_HBA_ERROR; + + /* The other case is an error from issue_mbox */ + if (rc == -ENOMEM) + lpfc_printf_log(phba, + KERN_WARNING, + LOG_MBOX, + "%d:0300 READ_LA: no buffers\n", + phba->brd_no); + + return; +} + +/************************************************************************/ +/* */ +/* lpfc_parse_vpd */ +/* This routine will parse the VPD data */ +/* */ +/************************************************************************/ +static int +lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd) +{ + uint8_t lenlo, lenhi; + uint32_t Length; + int i, j; + int finished = 0; + int index = 0; + + if (!vpd) + return 0; + + /* Vital Product */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_INIT, + "%d:0455 Vital Product Data: x%x x%x x%x x%x\n", + phba->brd_no, + (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], + (uint32_t) vpd[3]); + do { + switch (vpd[index]) { + case 0x82: + index += 1; + lenlo = vpd[index]; + index += 1; + lenhi = vpd[index]; + index += 1; + i = ((((unsigned short)lenhi) << 8) + lenlo); + index += i; + break; + case 0x90: + index += 1; + lenlo = vpd[index]; + index += 1; + lenhi = vpd[index]; + index += 1; + Length = ((((unsigned short)lenhi) << 8) + lenlo); + + while (Length > 0) { + /* Look for Serial Number */ + if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { + index += 2; + i = vpd[index]; + index += 1; + j = 0; + Length -= (3+i); + while(i--) { + phba->SerialNumber[j++] = vpd[index++]; + if (j == 31) + break; + } + phba->SerialNumber[j] = 0; + continue; + } + else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { + phba->vpd_flag |= VPD_MODEL_DESC; + index += 2; + i = vpd[index]; + index += 1; + j = 0; + Length -= (3+i); + while(i--) { + phba->ModelDesc[j++] = vpd[index++]; + if (j == 255) + break; + } + phba->ModelDesc[j] = 0; + continue; + } + else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { + phba->vpd_flag |= VPD_MODEL_NAME; + index += 2; + i = vpd[index]; + index += 1; + j = 0; + Length -= (3+i); + while(i--) { + phba->ModelName[j++] = vpd[index++]; + if (j == 79) + break; + } + phba->ModelName[j] = 0; + continue; + } + else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { + phba->vpd_flag |= VPD_PROGRAM_TYPE; + index += 2; + i = vpd[index]; + index += 1; + j = 0; + Length -= (3+i); + while(i--) { + phba->ProgramType[j++] = vpd[index++]; + if (j == 255) + break; + } + phba->ProgramType[j] = 0; + continue; + } + else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { + phba->vpd_flag |= VPD_PORT; + index += 2; + i = vpd[index]; + index += 1; + j = 0; + Length -= (3+i); + while(i--) { + phba->Port[j++] = vpd[index++]; + if (j == 19) + break; + } + phba->Port[j] = 0; + continue; + } + else { + index += 2; + i = vpd[index]; + index += 1; + index += i; + Length -= (3 + i); + } + } + finished = 0; + break; + case 0x78: + finished = 1; + break; + default: + index ++; + break; + } + } while (!finished && (index < 108)); + + return(1); +} + +static void +lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp) +{ + lpfc_vpd_t *vp; + uint32_t id; + char str[16]; + + vp = &phba->vpd; + pci_read_config_dword(phba->pcidev, PCI_VENDOR_ID, &id); + + switch ((id >> 16) & 0xffff) { + case PCI_DEVICE_ID_SUPERFLY: + if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) + strcpy(str, "LP7000 1"); + else + strcpy(str, "LP7000E 1"); + break; + case PCI_DEVICE_ID_DRAGONFLY: + strcpy(str, "LP8000 1"); + break; + case PCI_DEVICE_ID_CENTAUR: + if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) + strcpy(str, "LP9002 2"); + else + strcpy(str, "LP9000 1"); + break; + case PCI_DEVICE_ID_RFLY: + strcpy(str, "LP952 2"); + break; + case PCI_DEVICE_ID_PEGASUS: + strcpy(str, "LP9802 2"); + break; + case PCI_DEVICE_ID_THOR: + strcpy(str, "LP10000 2"); + break; + case PCI_DEVICE_ID_VIPER: + strcpy(str, "LPX1000 10"); + break; + case PCI_DEVICE_ID_PFLY: + strcpy(str, "LP982 2"); + break; + case PCI_DEVICE_ID_TFLY: + strcpy(str, "LP1050 2"); + break; + case PCI_DEVICE_ID_HELIOS: + strcpy(str, "LP11000 4"); + break; + case PCI_DEVICE_ID_BMID: + strcpy(str, "LP1150 4"); + break; + case PCI_DEVICE_ID_BSMB: + strcpy(str, "LP111 4"); + break; + case PCI_DEVICE_ID_ZEPHYR: + strcpy(str, "LP11000e 4"); + break; + case PCI_DEVICE_ID_ZMID: + strcpy(str, "LP1150e 4"); + break; + case PCI_DEVICE_ID_ZSMB: + strcpy(str, "LP111e 4"); + break; + case PCI_DEVICE_ID_LP101: + strcpy(str, "LP101 2"); + break; + case PCI_DEVICE_ID_LP10000S: + strcpy(str, "LP10000-S 2"); + break; + } + if (mdp) + sscanf(str, "%s", mdp); + if (descp) + sprintf(descp, "Emulex LightPulse %s Gigabit PCI Fibre " + "Channel Adapter", str); +} + +/**************************************************/ +/* lpfc_post_buffer */ +/* */ +/* This routine will post count buffers to the */ +/* ring with the QUE_RING_BUF_CN command. This */ +/* allows 3 buffers / command to be posted. */ +/* Returns the number of buffers NOT posted. */ +/**************************************************/ +int +lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt, + int type) +{ + IOCB_t *icmd; + struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; + struct lpfc_iocbq *iocb = NULL; + struct lpfc_dmabuf *mp1, *mp2; + + cnt += pring->missbufcnt; + + /* While there are buffers to post */ + while (cnt > 0) { + /* Allocate buffer for command iocb */ + spin_lock_irq(phba->host->host_lock); + list_remove_head(lpfc_iocb_list, iocb, struct lpfc_iocbq, list); + spin_unlock_irq(phba->host->host_lock); + if (iocb == NULL) { + pring->missbufcnt = cnt; + return cnt; + } + memset(iocb, 0, sizeof (struct lpfc_iocbq)); + icmd = &iocb->iocb; + + /* 2 buffers can be posted per command */ + /* Allocate buffer to post */ + mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); + if (mp1) + mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, + &mp1->phys); + if (mp1 == 0 || mp1->virt == 0) { + if (mp1) + kfree(mp1); + spin_lock_irq(phba->host->host_lock); + list_add_tail(&iocb->list, lpfc_iocb_list); + spin_unlock_irq(phba->host->host_lock); + pring->missbufcnt = cnt; + return cnt; + } + + INIT_LIST_HEAD(&mp1->list); + /* Allocate buffer to post */ + if (cnt > 1) { + mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); + if (mp2) + mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, + &mp2->phys); + if (mp2 == 0 || mp2->virt == 0) { + if (mp2) + kfree(mp2); + lpfc_mbuf_free(phba, mp1->virt, mp1->phys); + kfree(mp1); + spin_lock_irq(phba->host->host_lock); + list_add_tail(&iocb->list, lpfc_iocb_list); + spin_unlock_irq(phba->host->host_lock); + pring->missbufcnt = cnt; + return cnt; + } + + INIT_LIST_HEAD(&mp2->list); + } else { + mp2 = NULL; + } + + icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); + icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); + icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; + icmd->ulpBdeCount = 1; + cnt--; + if (mp2) { + icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); + icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); + icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; + cnt--; + icmd->ulpBdeCount = 2; + } + + icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; + icmd->ulpLe = 1; + + spin_lock_irq(phba->host->host_lock); + if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) { + lpfc_mbuf_free(phba, mp1->virt, mp1->phys); + kfree(mp1); + cnt++; + if (mp2) { + lpfc_mbuf_free(phba, mp2->virt, mp2->phys); + kfree(mp2); + cnt++; + } + list_add_tail(&iocb->list, lpfc_iocb_list); + pring->missbufcnt = cnt; + spin_unlock_irq(phba->host->host_lock); + return cnt; + } + spin_unlock_irq(phba->host->host_lock); + lpfc_sli_ringpostbuf_put(phba, pring, mp1); + if (mp2) { + lpfc_sli_ringpostbuf_put(phba, pring, mp2); + } + } + pring->missbufcnt = 0; + return 0; +} + +/************************************************************************/ +/* */ +/* lpfc_post_rcv_buf */ +/* This routine post initial rcv buffers to the configured rings */ +/* */ +/************************************************************************/ +static int +lpfc_post_rcv_buf(struct lpfc_hba * phba) +{ + struct lpfc_sli *psli = &phba->sli; + + /* Ring 0, ELS / CT buffers */ + lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1); + /* Ring 2 - FCP no buffers needed */ + + return 0; +} + +#define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) + +/************************************************************************/ +/* */ +/* lpfc_sha_init */ +/* */ +/************************************************************************/ +static void +lpfc_sha_init(uint32_t * HashResultPointer) +{ + HashResultPointer[0] = 0x67452301; + HashResultPointer[1] = 0xEFCDAB89; + HashResultPointer[2] = 0x98BADCFE; + HashResultPointer[3] = 0x10325476; + HashResultPointer[4] = 0xC3D2E1F0; +} + +/************************************************************************/ +/* */ +/* lpfc_sha_iterate */ +/* */ +/************************************************************************/ +static void +lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) +{ + int t; + uint32_t TEMP; + uint32_t A, B, C, D, E; + t = 16; + do { + HashWorkingPointer[t] = + S(1, + HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - + 8] ^ + HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); + } while (++t <= 79); + t = 0; + A = HashResultPointer[0]; + B = HashResultPointer[1]; + C = HashResultPointer[2]; + D = HashResultPointer[3]; + E = HashResultPointer[4]; + + do { + if (t < 20) { + TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; + } else if (t < 40) { + TEMP = (B ^ C ^ D) + 0x6ED9EBA1; + } else if (t < 60) { + TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; + } else { + TEMP = (B ^ C ^ D) + 0xCA62C1D6; + } + TEMP += S(5, A) + E + HashWorkingPointer[t]; + E = D; + D = C; + C = S(30, B); + B = A; + A = TEMP; + } while (++t <= 79); + + HashResultPointer[0] += A; + HashResultPointer[1] += B; + HashResultPointer[2] += C; + HashResultPointer[3] += D; + HashResultPointer[4] += E; + +} + +/************************************************************************/ +/* */ +/* lpfc_challenge_key */ +/* */ +/************************************************************************/ +static void +lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) +{ + *HashWorking = (*RandomChallenge ^ *HashWorking); +} + +/************************************************************************/ +/* */ +/* lpfc_hba_init */ +/* */ +/************************************************************************/ +void +lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) +{ + int t; + uint32_t *HashWorking; + uint32_t *pwwnn = phba->wwnn; + + HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL); + if (!HashWorking) + return; + + memset(HashWorking, 0, (80 * sizeof(uint32_t))); + HashWorking[0] = HashWorking[78] = *pwwnn++; + HashWorking[1] = HashWorking[79] = *pwwnn; + + for (t = 0; t < 7; t++) + lpfc_challenge_key(phba->RandomData + t, HashWorking + t); + + lpfc_sha_init(hbainit); + lpfc_sha_iterate(hbainit, HashWorking); + kfree(HashWorking); +} + +static void +lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind) +{ + struct lpfc_nodelist *ndlp, *next_ndlp; + + /* clean up phba - lpfc specific */ + lpfc_can_disctmo(phba); + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list, + nlp_listp) { + lpfc_nlp_remove(phba, ndlp); + } + + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list, + nlp_listp) { + lpfc_nlp_remove(phba, ndlp); + } + + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, + nlp_listp) { + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + } + + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, + nlp_listp) { + lpfc_nlp_remove(phba, ndlp); + } + + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, + nlp_listp) { + lpfc_nlp_remove(phba, ndlp); + } + + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list, + nlp_listp) { + lpfc_nlp_remove(phba, ndlp); + } + + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list, + nlp_listp) { + lpfc_nlp_remove(phba, ndlp); + } + + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, + nlp_listp) { + lpfc_nlp_remove(phba, ndlp); + } + + INIT_LIST_HEAD(&phba->fc_nlpmap_list); + INIT_LIST_HEAD(&phba->fc_nlpunmap_list); + INIT_LIST_HEAD(&phba->fc_unused_list); + INIT_LIST_HEAD(&phba->fc_plogi_list); + INIT_LIST_HEAD(&phba->fc_adisc_list); + INIT_LIST_HEAD(&phba->fc_reglogin_list); + INIT_LIST_HEAD(&phba->fc_prli_list); + INIT_LIST_HEAD(&phba->fc_npr_list); + + phba->fc_map_cnt = 0; + phba->fc_unmap_cnt = 0; + phba->fc_plogi_cnt = 0; + phba->fc_adisc_cnt = 0; + phba->fc_reglogin_cnt = 0; + phba->fc_prli_cnt = 0; + phba->fc_npr_cnt = 0; + phba->fc_unused_cnt= 0; + return; +} + +static void +lpfc_establish_link_tmo(unsigned long ptr) +{ + struct lpfc_hba *phba = (struct lpfc_hba *)ptr; + unsigned long iflag; + + + /* Re-establishing Link, timer expired */ + lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, + "%d:1300 Re-establishing Link, timer expired " + "Data: x%x x%x\n", + phba->brd_no, phba->fc_flag, phba->hba_state); + spin_lock_irqsave(phba->host->host_lock, iflag); + phba->fc_flag &= ~FC_ESTABLISH_LINK; + spin_unlock_irqrestore(phba->host->host_lock, iflag); +} + +static int +lpfc_stop_timer(struct lpfc_hba * phba) +{ + struct lpfc_sli *psli = &phba->sli; + + /* Instead of a timer, this has been converted to a + * deferred procedding list. + */ + while (!list_empty(&phba->freebufList)) { + + struct lpfc_dmabuf *mp = NULL; + + list_remove_head((&phba->freebufList), mp, + struct lpfc_dmabuf, list); + if (mp) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + } + } + + del_timer_sync(&phba->fc_estabtmo); + del_timer_sync(&phba->fc_disctmo); + del_timer_sync(&phba->fc_fdmitmo); + del_timer_sync(&phba->els_tmofunc); + psli = &phba->sli; + del_timer_sync(&psli->mbox_tmo); + return(1); +} + +int +lpfc_online(struct lpfc_hba * phba) +{ + if (!phba) + return 0; + + if (!(phba->fc_flag & FC_OFFLINE_MODE)) + return 0; + + lpfc_printf_log(phba, + KERN_WARNING, + LOG_INIT, + "%d:0458 Bring Adapter online\n", + phba->brd_no); + + if (!lpfc_sli_queue_setup(phba)) + return 1; + + if (lpfc_sli_hba_setup(phba)) /* Initialize the HBA */ + return 1; + + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~FC_OFFLINE_MODE; + spin_unlock_irq(phba->host->host_lock); + + /* + * Restart all traffic to this host. Since the fc_transport block + * functions (future) were not called in lpfc_offline, don't call them + * here. + */ + scsi_unblock_requests(phba->host); + return 0; +} + +int +lpfc_offline(struct lpfc_hba * phba) +{ + struct lpfc_sli_ring *pring; + struct lpfc_sli *psli; + unsigned long iflag; + int i = 0; + + if (!phba) + return 0; + + if (phba->fc_flag & FC_OFFLINE_MODE) + return 0; + + /* + * Don't call the fc_transport block api (future). The device is + * going offline and causing a timer to fire in the midlayer is + * unproductive. Just block all new requests until the driver + * comes back online. + */ + scsi_block_requests(phba->host); + psli = &phba->sli; + pring = &psli->ring[psli->fcp_ring]; + + lpfc_linkdown(phba); + + /* The linkdown event takes 30 seconds to timeout. */ + while (pring->txcmplq_cnt) { + mdelay(10); + if (i++ > 3000) + break; + } + + /* stop all timers associated with this hba */ + lpfc_stop_timer(phba); + phba->work_hba_events = 0; + + lpfc_printf_log(phba, + KERN_WARNING, + LOG_INIT, + "%d:0460 Bring Adapter offline\n", + phba->brd_no); + + /* Bring down the SLI Layer and cleanup. The HBA is offline + now. */ + lpfc_sli_hba_down(phba); + lpfc_cleanup(phba, 1); + spin_lock_irqsave(phba->host->host_lock, iflag); + phba->fc_flag |= FC_OFFLINE_MODE; + spin_unlock_irqrestore(phba->host->host_lock, iflag); + return 0; +} + +/****************************************************************************** +* Function name: lpfc_scsi_free +* +* Description: Called from lpfc_pci_remove_one free internal driver resources +* +******************************************************************************/ +static int +lpfc_scsi_free(struct lpfc_hba * phba) +{ + struct lpfc_scsi_buf *sb, *sb_next; + struct lpfc_iocbq *io, *io_next; + + spin_lock_irq(phba->host->host_lock); + /* Release all the lpfc_scsi_bufs maintained by this host. */ + list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { + list_del(&sb->list); + pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, + sb->dma_handle); + kfree(sb); + phba->total_scsi_bufs--; + } + + /* Release all the lpfc_iocbq entries maintained by this host. */ + list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { + list_del(&io->list); + kfree(io); + phba->total_iocbq_bufs--; + } + + spin_unlock_irq(phba->host->host_lock); + + return 0; +} + + +static int __devinit +lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) +{ + struct Scsi_Host *host; + struct lpfc_hba *phba; + struct lpfc_sli *psli; + struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; + unsigned long bar0map_len, bar2map_len; + int error = -ENODEV, retval; + int i; + u64 wwname; + + if (pci_enable_device(pdev)) + goto out; + if (pci_request_regions(pdev, LPFC_DRIVER_NAME)) + goto out_disable_device; + + host = scsi_host_alloc(&lpfc_template, + sizeof (struct lpfc_hba) + sizeof (unsigned long)); + if (!host) + goto out_release_regions; + + phba = (struct lpfc_hba*)host->hostdata; + memset(phba, 0, sizeof (struct lpfc_hba)); + phba->link_stats = (void *)&phba[1]; + phba->host = host; + + phba->fc_flag |= FC_LOADING; + phba->pcidev = pdev; + + /* Assign an unused board number */ + if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) + goto out_put_host; + + error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no); + if (error) + goto out_put_host; + + host->unique_id = phba->brd_no; + + INIT_LIST_HEAD(&phba->ctrspbuflist); + INIT_LIST_HEAD(&phba->rnidrspbuflist); + INIT_LIST_HEAD(&phba->freebufList); + + /* Initialize timers used by driver */ + init_timer(&phba->fc_estabtmo); + phba->fc_estabtmo.function = lpfc_establish_link_tmo; + phba->fc_estabtmo.data = (unsigned long)phba; + init_timer(&phba->fc_disctmo); + phba->fc_disctmo.function = lpfc_disc_timeout; + phba->fc_disctmo.data = (unsigned long)phba; + + init_timer(&phba->fc_fdmitmo); + phba->fc_fdmitmo.function = lpfc_fdmi_tmo; + phba->fc_fdmitmo.data = (unsigned long)phba; + init_timer(&phba->els_tmofunc); + phba->els_tmofunc.function = lpfc_els_timeout; + phba->els_tmofunc.data = (unsigned long)phba; + psli = &phba->sli; + init_timer(&psli->mbox_tmo); + psli->mbox_tmo.function = lpfc_mbox_timeout; + psli->mbox_tmo.data = (unsigned long)phba; + + /* + * Get all the module params for configuring this host and then + * establish the host parameters. + */ + lpfc_get_cfgparam(phba); + + host->max_id = LPFC_MAX_TARGET; + host->max_lun = phba->cfg_max_luns; + host->this_id = -1; + + /* Initialize all internally managed lists. */ + INIT_LIST_HEAD(&phba->fc_nlpmap_list); + INIT_LIST_HEAD(&phba->fc_nlpunmap_list); + INIT_LIST_HEAD(&phba->fc_unused_list); + INIT_LIST_HEAD(&phba->fc_plogi_list); + INIT_LIST_HEAD(&phba->fc_adisc_list); + INIT_LIST_HEAD(&phba->fc_reglogin_list); + INIT_LIST_HEAD(&phba->fc_prli_list); + INIT_LIST_HEAD(&phba->fc_npr_list); + + + pci_set_master(pdev); + retval = pci_set_mwi(pdev); + if (retval) + dev_printk(KERN_WARNING, &pdev->dev, + "Warning: pci_set_mwi returned %d\n", retval); + + if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0) + if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0) + goto out_idr_remove; + + /* + * Get the bus address of Bar0 and Bar2 and the number of bytes + * required by each mapping. + */ + phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0); + bar0map_len = pci_resource_len(phba->pcidev, 0); + + phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2); + bar2map_len = pci_resource_len(phba->pcidev, 2); + + /* Map HBA SLIM and Control Registers to a kernel virtual address. */ + phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); + phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); + + /* Allocate memory for SLI-2 structures */ + phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE, + &phba->slim2p_mapping, GFP_KERNEL); + if (!phba->slim2p) + goto out_iounmap; + + + /* Initialize the SLI Layer to run with lpfc HBAs. */ + lpfc_sli_setup(phba); + lpfc_sli_queue_setup(phba); + + error = lpfc_mem_alloc(phba); + if (error) + goto out_free_slim; + + /* Initialize and populate the iocb list per host. */ + INIT_LIST_HEAD(&phba->lpfc_iocb_list); + for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) { + iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); + if (iocbq_entry == NULL) { + printk(KERN_ERR "%s: only allocated %d iocbs of " + "expected %d count. Unloading driver.\n", + __FUNCTION__, i, LPFC_IOCB_LIST_CNT); + error = -ENOMEM; + goto out_free_iocbq; + } + + memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq)); + spin_lock_irq(phba->host->host_lock); + list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); + phba->total_iocbq_bufs++; + spin_unlock_irq(phba->host->host_lock); + } + + /* Initialize HBA structure */ + phba->fc_edtov = FF_DEF_EDTOV; + phba->fc_ratov = FF_DEF_RATOV; + phba->fc_altov = FF_DEF_ALTOV; + phba->fc_arbtov = FF_DEF_ARBTOV; + + INIT_LIST_HEAD(&phba->work_list); + phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT); + phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); + + /* Startup the kernel thread for this host adapter. */ + phba->worker_thread = kthread_run(lpfc_do_work, phba, + "lpfc_worker_%d", phba->brd_no); + if (IS_ERR(phba->worker_thread)) { + error = PTR_ERR(phba->worker_thread); + goto out_free_iocbq; + } + + /* We can rely on a queue depth attribute only after SLI HBA setup */ + host->can_queue = phba->cfg_hba_queue_depth - 10; + + /* Tell the midlayer we support 16 byte commands */ + host->max_cmd_len = 16; + + /* Initialize the list of scsi buffers used by driver for scsi IO. */ + INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); + + host->transportt = lpfc_transport_template; + host->hostdata[0] = (unsigned long)phba; + pci_set_drvdata(pdev, host); + error = scsi_add_host(host, &pdev->dev); + if (error) + goto out_kthread_stop; + + error = lpfc_alloc_sysfs_attr(phba); + if (error) + goto out_kthread_stop; + + error = request_irq(phba->pcidev->irq, lpfc_intr_handler, SA_SHIRQ, + LPFC_DRIVER_NAME, phba); + if (error) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "%d:0451 Enable interrupt handler failed\n", + phba->brd_no); + goto out_free_sysfs_attr; + } + phba->MBslimaddr = phba->slim_memmap_p; + phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; + phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; + phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; + phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; + + error = lpfc_sli_hba_setup(phba); + if (error) + goto out_free_irq; + + /* + * set fixed host attributes + * Must done after lpfc_sli_hba_setup() + */ + + memcpy(&wwname, &phba->fc_nodename, sizeof(u64)); + fc_host_node_name(host) = be64_to_cpu(wwname); + memcpy(&wwname, &phba->fc_portname, sizeof(u64)); + fc_host_port_name(host) = be64_to_cpu(wwname); + fc_host_supported_classes(host) = FC_COS_CLASS3; + + memset(fc_host_supported_fc4s(host), 0, + sizeof(fc_host_supported_fc4s(host))); + fc_host_supported_fc4s(host)[2] = 1; + fc_host_supported_fc4s(host)[7] = 1; + + lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host)); + + fc_host_supported_speeds(host) = 0; + switch (FC_JEDEC_ID(phba->vpd.rev.biuRev)) { + case VIPER_JEDEC_ID: + fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT; + break; + case HELIOS_JEDEC_ID: + fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT; + /* Fall through */ + case CENTAUR_2G_JEDEC_ID: + case PEGASUS_JEDEC_ID: + case THOR_JEDEC_ID: + fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT; + /* Fall through */ + default: + fc_host_supported_speeds(host) = FC_PORTSPEED_1GBIT; + } + + fc_host_maxframe_size(host) = + ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | + (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb); + + /* This value is also unchanging */ + memset(fc_host_active_fc4s(host), 0, + sizeof(fc_host_active_fc4s(host))); + fc_host_active_fc4s(host)[2] = 1; + fc_host_active_fc4s(host)[7] = 1; + + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~FC_LOADING; + spin_unlock_irq(phba->host->host_lock); + return 0; + +out_free_irq: + lpfc_stop_timer(phba); + phba->work_hba_events = 0; + free_irq(phba->pcidev->irq, phba); +out_free_sysfs_attr: + lpfc_free_sysfs_attr(phba); +out_kthread_stop: + kthread_stop(phba->worker_thread); +out_free_iocbq: + list_for_each_entry_safe(iocbq_entry, iocbq_next, + &phba->lpfc_iocb_list, list) { + spin_lock_irq(phba->host->host_lock); + kfree(iocbq_entry); + phba->total_iocbq_bufs--; + spin_unlock_irq(phba->host->host_lock); + } + lpfc_mem_free(phba); +out_free_slim: + dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p, + phba->slim2p_mapping); +out_iounmap: + iounmap(phba->ctrl_regs_memmap_p); + iounmap(phba->slim_memmap_p); +out_idr_remove: + idr_remove(&lpfc_hba_index, phba->brd_no); +out_put_host: + scsi_host_put(host); +out_release_regions: + pci_release_regions(pdev); +out_disable_device: + pci_disable_device(pdev); +out: + return error; +} + +static void __devexit +lpfc_pci_remove_one(struct pci_dev *pdev) +{ + struct Scsi_Host *host = pci_get_drvdata(pdev); + struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata[0]; + unsigned long iflag; + + lpfc_free_sysfs_attr(phba); + + spin_lock_irqsave(phba->host->host_lock, iflag); + phba->fc_flag |= FC_UNLOADING; + + spin_unlock_irqrestore(phba->host->host_lock, iflag); + + fc_remove_host(phba->host); + scsi_remove_host(phba->host); + + kthread_stop(phba->worker_thread); + + /* + * Bring down the SLI Layer. This step disable all interrupts, + * clears the rings, discards all mailbox commands, and resets + * the HBA. + */ + lpfc_sli_hba_down(phba); + + /* Release the irq reservation */ + free_irq(phba->pcidev->irq, phba); + + lpfc_cleanup(phba, 0); + lpfc_stop_timer(phba); + phba->work_hba_events = 0; + + /* + * Call scsi_free before mem_free since scsi bufs are released to their + * corresponding pools here. + */ + lpfc_scsi_free(phba); + lpfc_mem_free(phba); + + /* Free resources associated with SLI2 interface */ + dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, + phba->slim2p, phba->slim2p_mapping); + + /* unmap adapter SLIM and Control Registers */ + iounmap(phba->ctrl_regs_memmap_p); + iounmap(phba->slim_memmap_p); + + pci_release_regions(phba->pcidev); + pci_disable_device(phba->pcidev); + + idr_remove(&lpfc_hba_index, phba->brd_no); + scsi_host_put(phba->host); + + pci_set_drvdata(pdev, NULL); +} + +static struct pci_device_id lpfc_id_table[] = { + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, + PCI_ANY_ID, PCI_ANY_ID, }, + { 0 } +}; + +MODULE_DEVICE_TABLE(pci, lpfc_id_table); + +static struct pci_driver lpfc_driver = { + .name = LPFC_DRIVER_NAME, + .id_table = lpfc_id_table, + .probe = lpfc_pci_probe_one, + .remove = __devexit_p(lpfc_pci_remove_one), +}; + +static int __init +lpfc_init(void) +{ + int error = 0; + + printk(LPFC_MODULE_DESC "\n"); + + lpfc_transport_template = + fc_attach_transport(&lpfc_transport_functions); + if (!lpfc_transport_template) + return -ENOMEM; + error = pci_register_driver(&lpfc_driver); + if (error) + fc_release_transport(lpfc_transport_template); + + return error; +} + +static void __exit +lpfc_exit(void) +{ + pci_unregister_driver(&lpfc_driver); + fc_release_transport(lpfc_transport_template); +} + +module_init(lpfc_init); +module_exit(lpfc_exit); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION(LPFC_MODULE_DESC); +MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); +MODULE_VERSION("0:" LPFC_DRIVER_VERSION); diff --git a/drivers/scsi/lpfc/lpfc_logmsg.h b/drivers/scsi/lpfc/lpfc_logmsg.h new file mode 100644 index 000000000000..a85268880fae --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_logmsg.h @@ -0,0 +1,41 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_logmsg.h 1.32 2005/01/25 17:52:01EST sf_support Exp $ + */ + +#define LOG_ELS 0x1 /* ELS events */ +#define LOG_DISCOVERY 0x2 /* Link discovery events */ +#define LOG_MBOX 0x4 /* Mailbox events */ +#define LOG_INIT 0x8 /* Initialization events */ +#define LOG_LINK_EVENT 0x10 /* Link events */ +#define LOG_IP 0x20 /* IP traffic history */ +#define LOG_FCP 0x40 /* FCP traffic history */ +#define LOG_NODE 0x80 /* Node table events */ +#define LOG_MISC 0x400 /* Miscellaneous events */ +#define LOG_SLI 0x800 /* SLI events */ +#define LOG_CHK_COND 0x1000 /* FCP Check condition flag */ +#define LOG_LIBDFC 0x2000 /* Libdfc events */ +#define LOG_ALL_MSG 0xffff /* LOG all messages */ + +#define lpfc_printf_log(phba, level, mask, fmt, arg...) \ + { if (((mask) &(phba)->cfg_log_verbose) || (level[1] <= '3')) \ + dev_printk(level, &((phba)->pcidev)->dev, fmt, ##arg); } diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c new file mode 100644 index 000000000000..8712a80fe747 --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_mbox.c @@ -0,0 +1,646 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_mbox.c 1.85 2005/04/13 11:59:11EDT sf_support Exp $ + */ + +#include +#include +#include + +#include "lpfc_hw.h" +#include "lpfc_sli.h" +#include "lpfc_disc.h" +#include "lpfc_scsi.h" +#include "lpfc.h" +#include "lpfc_logmsg.h" +#include "lpfc_crtn.h" +#include "lpfc_compat.h" + +/**********************************************/ + +/* mailbox command */ +/**********************************************/ +void +lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset) +{ + MAILBOX_t *mb; + void *ctx; + + mb = &pmb->mb; + ctx = pmb->context2; + + /* Setup to dump VPD region */ + memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); + mb->mbxCommand = MBX_DUMP_MEMORY; + mb->un.varDmp.cv = 1; + mb->un.varDmp.type = DMP_NV_PARAMS; + mb->un.varDmp.entry_index = offset; + mb->un.varDmp.region_id = DMP_REGION_VPD; + mb->un.varDmp.word_cnt = (DMP_RSP_SIZE / sizeof (uint32_t)); + mb->un.varDmp.co = 0; + mb->un.varDmp.resp_offset = 0; + pmb->context2 = ctx; + mb->mbxOwner = OWN_HOST; + return; +} + +/**********************************************/ +/* lpfc_read_nv Issue a READ NVPARAM */ +/* mailbox command */ +/**********************************************/ +void +lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +{ + MAILBOX_t *mb; + + mb = &pmb->mb; + memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); + mb->mbxCommand = MBX_READ_NV; + mb->mbxOwner = OWN_HOST; + return; +} + +/**********************************************/ +/* lpfc_read_la Issue a READ LA */ +/* mailbox command */ +/**********************************************/ +int +lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp) +{ + MAILBOX_t *mb; + struct lpfc_sli *psli; + + psli = &phba->sli; + mb = &pmb->mb; + memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); + + INIT_LIST_HEAD(&mp->list); + mb->mbxCommand = MBX_READ_LA64; + mb->un.varReadLA.un.lilpBde64.tus.f.bdeSize = 128; + mb->un.varReadLA.un.lilpBde64.addrHigh = putPaddrHigh(mp->phys); + mb->un.varReadLA.un.lilpBde64.addrLow = putPaddrLow(mp->phys); + + /* Save address for later completion and set the owner to host so that + * the FW knows this mailbox is available for processing. + */ + pmb->context1 = (uint8_t *) mp; + mb->mbxOwner = OWN_HOST; + return (0); +} + +/**********************************************/ +/* lpfc_clear_la Issue a CLEAR LA */ +/* mailbox command */ +/**********************************************/ +void +lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +{ + MAILBOX_t *mb; + + mb = &pmb->mb; + memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); + + mb->un.varClearLA.eventTag = phba->fc_eventTag; + mb->mbxCommand = MBX_CLEAR_LA; + mb->mbxOwner = OWN_HOST; + return; +} + +/**************************************************/ +/* lpfc_config_link Issue a CONFIG LINK */ +/* mailbox command */ +/**************************************************/ +void +lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +{ + MAILBOX_t *mb = &pmb->mb; + memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); + + /* NEW_FEATURE + * SLI-2, Coalescing Response Feature. + */ + if (phba->cfg_cr_delay) { + mb->un.varCfgLnk.cr = 1; + mb->un.varCfgLnk.ci = 1; + mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay; + mb->un.varCfgLnk.cr_count = phba->cfg_cr_count; + } + + mb->un.varCfgLnk.myId = phba->fc_myDID; + mb->un.varCfgLnk.edtov = phba->fc_edtov; + mb->un.varCfgLnk.arbtov = phba->fc_arbtov; + mb->un.varCfgLnk.ratov = phba->fc_ratov; + mb->un.varCfgLnk.rttov = phba->fc_rttov; + mb->un.varCfgLnk.altov = phba->fc_altov; + mb->un.varCfgLnk.crtov = phba->fc_crtov; + mb->un.varCfgLnk.citov = phba->fc_citov; + + if (phba->cfg_ack0) + mb->un.varCfgLnk.ack0_enable = 1; + + mb->mbxCommand = MBX_CONFIG_LINK; + mb->mbxOwner = OWN_HOST; + return; +} + +/**********************************************/ +/* lpfc_init_link Issue an INIT LINK */ +/* mailbox command */ +/**********************************************/ +void +lpfc_init_link(struct lpfc_hba * phba, + LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed) +{ + lpfc_vpd_t *vpd; + struct lpfc_sli *psli; + MAILBOX_t *mb; + + mb = &pmb->mb; + memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); + + psli = &phba->sli; + switch (topology) { + case FLAGS_TOPOLOGY_MODE_LOOP_PT: + mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP; + mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER; + break; + case FLAGS_TOPOLOGY_MODE_PT_PT: + mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; + break; + case FLAGS_TOPOLOGY_MODE_LOOP: + mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP; + break; + case FLAGS_TOPOLOGY_MODE_PT_LOOP: + mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; + mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER; + break; + } + + /* NEW_FEATURE + * Setting up the link speed + */ + vpd = &phba->vpd; + if (vpd->rev.feaLevelHigh >= 0x02){ + switch(linkspeed){ + case LINK_SPEED_1G: + case LINK_SPEED_2G: + case LINK_SPEED_4G: + mb->un.varInitLnk.link_flags |= + FLAGS_LINK_SPEED; + mb->un.varInitLnk.link_speed = linkspeed; + break; + case LINK_SPEED_AUTO: + default: + mb->un.varInitLnk.link_speed = + LINK_SPEED_AUTO; + break; + } + + } + else + mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO; + + mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK; + mb->mbxOwner = OWN_HOST; + mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA; + return; +} + +/**********************************************/ +/* lpfc_read_sparam Issue a READ SPARAM */ +/* mailbox command */ +/**********************************************/ +int +lpfc_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +{ + struct lpfc_dmabuf *mp; + MAILBOX_t *mb; + struct lpfc_sli *psli; + + psli = &phba->sli; + mb = &pmb->mb; + memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); + + mb->mbxOwner = OWN_HOST; + + /* Get a buffer to hold the HBAs Service Parameters */ + + if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) || + ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) { + if (mp) + kfree(mp); + mb->mbxCommand = MBX_READ_SPARM64; + /* READ_SPARAM: no buffers */ + lpfc_printf_log(phba, + KERN_WARNING, + LOG_MBOX, + "%d:0301 READ_SPARAM: no buffers\n", + phba->brd_no); + return (1); + } + INIT_LIST_HEAD(&mp->list); + mb->mbxCommand = MBX_READ_SPARM64; + mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm); + mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys); + mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys); + + /* save address for completion */ + pmb->context1 = mp; + + return (0); +} + +/********************************************/ +/* lpfc_unreg_did Issue a UNREG_DID */ +/* mailbox command */ +/********************************************/ +void +lpfc_unreg_did(struct lpfc_hba * phba, uint32_t did, LPFC_MBOXQ_t * pmb) +{ + MAILBOX_t *mb; + + mb = &pmb->mb; + memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); + + mb->un.varUnregDID.did = did; + + mb->mbxCommand = MBX_UNREG_D_ID; + mb->mbxOwner = OWN_HOST; + return; +} + +/***********************************************/ + +/* command to write slim */ +/***********************************************/ +void +lpfc_set_slim(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint32_t addr, + uint32_t value) +{ + MAILBOX_t *mb; + + mb = &pmb->mb; + memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); + + /* addr = 0x090597 is AUTO ABTS disable for ELS commands */ + /* addr = 0x052198 is DELAYED ABTS enable for ELS commands */ + + /* + * Always turn on DELAYED ABTS for ELS timeouts + */ + if ((addr == 0x052198) && (value == 0)) + value = 1; + + mb->un.varWords[0] = addr; + mb->un.varWords[1] = value; + + mb->mbxCommand = MBX_SET_SLIM; + mb->mbxOwner = OWN_HOST; + return; +} + +/**********************************************/ +/* lpfc_read_nv Issue a READ CONFIG */ +/* mailbox command */ +/**********************************************/ +void +lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +{ + MAILBOX_t *mb; + + mb = &pmb->mb; + memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); + + mb->mbxCommand = MBX_READ_CONFIG; + mb->mbxOwner = OWN_HOST; + return; +} + +/********************************************/ +/* lpfc_reg_login Issue a REG_LOGIN */ +/* mailbox command */ +/********************************************/ +int +lpfc_reg_login(struct lpfc_hba * phba, + uint32_t did, uint8_t * param, LPFC_MBOXQ_t * pmb, uint32_t flag) +{ + uint8_t *sparam; + struct lpfc_dmabuf *mp; + MAILBOX_t *mb; + struct lpfc_sli *psli; + + psli = &phba->sli; + mb = &pmb->mb; + memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); + + mb->un.varRegLogin.rpi = 0; + mb->un.varRegLogin.did = did; + mb->un.varWords[30] = flag; /* Set flag to issue action on cmpl */ + + mb->mbxOwner = OWN_HOST; + + /* Get a buffer to hold NPorts Service Parameters */ + if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == NULL) || + ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) { + if (mp) + kfree(mp); + + mb->mbxCommand = MBX_REG_LOGIN64; + /* REG_LOGIN: no buffers */ + lpfc_printf_log(phba, + KERN_WARNING, + LOG_MBOX, + "%d:0302 REG_LOGIN: no buffers Data x%x x%x\n", + phba->brd_no, + (uint32_t) did, (uint32_t) flag); + return (1); + } + INIT_LIST_HEAD(&mp->list); + sparam = mp->virt; + + /* Copy param's into a new buffer */ + memcpy(sparam, param, sizeof (struct serv_parm)); + + /* save address for completion */ + pmb->context1 = (uint8_t *) mp; + + mb->mbxCommand = MBX_REG_LOGIN64; + mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm); + mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys); + mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys); + + return (0); +} + +/**********************************************/ +/* lpfc_unreg_login Issue a UNREG_LOGIN */ +/* mailbox command */ +/**********************************************/ +void +lpfc_unreg_login(struct lpfc_hba * phba, uint32_t rpi, LPFC_MBOXQ_t * pmb) +{ + MAILBOX_t *mb; + + mb = &pmb->mb; + memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); + + mb->un.varUnregLogin.rpi = (uint16_t) rpi; + mb->un.varUnregLogin.rsvd1 = 0; + + mb->mbxCommand = MBX_UNREG_LOGIN; + mb->mbxOwner = OWN_HOST; + return; +} + +static void +lpfc_config_pcb_setup(struct lpfc_hba * phba) +{ + struct lpfc_sli *psli = &phba->sli; + struct lpfc_sli_ring *pring; + PCB_t *pcbp = &phba->slim2p->pcb; + dma_addr_t pdma_addr; + uint32_t offset; + uint32_t iocbCnt; + int i; + + psli->MBhostaddr = (uint32_t *)&phba->slim2p->mbx; + pcbp->maxRing = (psli->num_rings - 1); + + iocbCnt = 0; + for (i = 0; i < psli->num_rings; i++) { + pring = &psli->ring[i]; + /* A ring MUST have both cmd and rsp entries defined to be + valid */ + if ((pring->numCiocb == 0) || (pring->numRiocb == 0)) { + pcbp->rdsc[i].cmdEntries = 0; + pcbp->rdsc[i].rspEntries = 0; + pcbp->rdsc[i].cmdAddrHigh = 0; + pcbp->rdsc[i].rspAddrHigh = 0; + pcbp->rdsc[i].cmdAddrLow = 0; + pcbp->rdsc[i].rspAddrLow = 0; + pring->cmdringaddr = NULL; + pring->rspringaddr = NULL; + continue; + } + /* Command ring setup for ring */ + pring->cmdringaddr = + (void *)&phba->slim2p->IOCBs[iocbCnt]; + pcbp->rdsc[i].cmdEntries = pring->numCiocb; + + offset = (uint8_t *)&phba->slim2p->IOCBs[iocbCnt] - + (uint8_t *)phba->slim2p; + pdma_addr = phba->slim2p_mapping + offset; + pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr); + pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr); + iocbCnt += pring->numCiocb; + + /* Response ring setup for ring */ + pring->rspringaddr = + (void *)&phba->slim2p->IOCBs[iocbCnt]; + + pcbp->rdsc[i].rspEntries = pring->numRiocb; + offset = (uint8_t *)&phba->slim2p->IOCBs[iocbCnt] - + (uint8_t *)phba->slim2p; + pdma_addr = phba->slim2p_mapping + offset; + pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr); + pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr); + iocbCnt += pring->numRiocb; + } +} + +void +lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +{ + MAILBOX_t *mb; + + mb = &pmb->mb; + memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); + mb->un.varRdRev.cv = 1; + mb->mbxCommand = MBX_READ_REV; + mb->mbxOwner = OWN_HOST; + return; +} + +void +lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb) +{ + int i; + MAILBOX_t *mb = &pmb->mb; + struct lpfc_sli *psli; + struct lpfc_sli_ring *pring; + + memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); + + mb->un.varCfgRing.ring = ring; + mb->un.varCfgRing.maxOrigXchg = 0; + mb->un.varCfgRing.maxRespXchg = 0; + mb->un.varCfgRing.recvNotify = 1; + + psli = &phba->sli; + pring = &psli->ring[ring]; + mb->un.varCfgRing.numMask = pring->num_mask; + mb->mbxCommand = MBX_CONFIG_RING; + mb->mbxOwner = OWN_HOST; + + /* Is this ring configured for a specific profile */ + if (pring->prt[0].profile) { + mb->un.varCfgRing.profile = pring->prt[0].profile; + return; + } + + /* Otherwise we setup specific rctl / type masks for this ring */ + for (i = 0; i < pring->num_mask; i++) { + mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl; + if (mb->un.varCfgRing.rrRegs[i].rval != FC_ELS_REQ) + mb->un.varCfgRing.rrRegs[i].rmask = 0xff; + else + mb->un.varCfgRing.rrRegs[i].rmask = 0xfe; + mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type; + mb->un.varCfgRing.rrRegs[i].tmask = 0xff; + } + + return; +} + +void +lpfc_config_port(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +{ + MAILBOX_t *mb = &pmb->mb; + dma_addr_t pdma_addr; + uint32_t bar_low, bar_high; + size_t offset; + HGP hgp; + void __iomem *to_slim; + + memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); + mb->mbxCommand = MBX_CONFIG_PORT; + mb->mbxOwner = OWN_HOST; + + mb->un.varCfgPort.pcbLen = sizeof(PCB_t); + + offset = (uint8_t *)&phba->slim2p->pcb - (uint8_t *)phba->slim2p; + pdma_addr = phba->slim2p_mapping + offset; + mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr); + mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr); + + /* Now setup pcb */ + phba->slim2p->pcb.type = TYPE_NATIVE_SLI2; + phba->slim2p->pcb.feature = FEATURE_INITIAL_SLI2; + + /* Setup Mailbox pointers */ + phba->slim2p->pcb.mailBoxSize = sizeof(MAILBOX_t); + offset = (uint8_t *)&phba->slim2p->mbx - (uint8_t *)phba->slim2p; + pdma_addr = phba->slim2p_mapping + offset; + phba->slim2p->pcb.mbAddrHigh = putPaddrHigh(pdma_addr); + phba->slim2p->pcb.mbAddrLow = putPaddrLow(pdma_addr); + + /* + * Setup Host Group ring pointer. + * + * For efficiency reasons, the ring get/put pointers can be + * placed in adapter memory (SLIM) rather than in host memory. + * This allows firmware to avoid PCI reads/writes when updating + * and checking pointers. + * + * The firmware recognizes the use of SLIM memory by comparing + * the address of the get/put pointers structure with that of + * the SLIM BAR (BAR0). + * + * Caution: be sure to use the PCI config space value of BAR0/BAR1 + * (the hardware's view of the base address), not the OS's + * value of pci_resource_start() as the OS value may be a cookie + * for ioremap/iomap. + */ + + + pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low); + pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high); + + + /* mask off BAR0's flag bits 0 - 3 */ + phba->slim2p->pcb.hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) + + (SLIMOFF*sizeof(uint32_t)); + if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64) + phba->slim2p->pcb.hgpAddrHigh = bar_high; + else + phba->slim2p->pcb.hgpAddrHigh = 0; + /* write HGP data to SLIM at the required longword offset */ + memset(&hgp, 0, sizeof(HGP)); + to_slim = phba->MBslimaddr + (SLIMOFF*sizeof (uint32_t)); + lpfc_memcpy_to_slim(to_slim, &hgp, sizeof (HGP)); + + /* Setup Port Group ring pointer */ + offset = (uint8_t *)&phba->slim2p->mbx.us.s2.port - + (uint8_t *)phba->slim2p; + pdma_addr = phba->slim2p_mapping + offset; + phba->slim2p->pcb.pgpAddrHigh = putPaddrHigh(pdma_addr); + phba->slim2p->pcb.pgpAddrLow = putPaddrLow(pdma_addr); + + /* Use callback routine to setp rings in the pcb */ + lpfc_config_pcb_setup(phba); + + /* special handling for LC HBAs */ + if (lpfc_is_LC_HBA(phba->pcidev->device)) { + uint32_t hbainit[5]; + + lpfc_hba_init(phba, hbainit); + + memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20); + } + + /* Swap PCB if needed */ + lpfc_sli_pcimem_bcopy(&phba->slim2p->pcb, &phba->slim2p->pcb, + sizeof (PCB_t)); + + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "%d:0405 Service Level Interface (SLI) 2 selected\n", + phba->brd_no); +} + +void +lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) +{ + struct lpfc_sli *psli; + + psli = &phba->sli; + + list_add_tail(&mbq->list, &psli->mboxq); + + psli->mboxq_cnt++; + + return; +} + +LPFC_MBOXQ_t * +lpfc_mbox_get(struct lpfc_hba * phba) +{ + LPFC_MBOXQ_t *mbq = NULL; + struct lpfc_sli *psli = &phba->sli; + + list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t, + list); + if (mbq) { + psli->mboxq_cnt--; + } + + return mbq; +} diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c new file mode 100644 index 000000000000..4397e1160712 --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_mem.c @@ -0,0 +1,179 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_mem.c 1.79 2005/04/13 14:25:50EDT sf_support Exp $ + */ + +#include +#include +#include + +#include "lpfc_hw.h" +#include "lpfc_sli.h" +#include "lpfc_disc.h" +#include "lpfc_scsi.h" +#include "lpfc.h" +#include "lpfc_crtn.h" + +#define LPFC_MBUF_POOL_SIZE 64 /* max elements in MBUF safety pool */ +#define LPFC_MEM_POOL_SIZE 64 /* max elem in non-DMA safety pool */ + +static void * +lpfc_pool_kmalloc(unsigned int gfp_flags, void *data) +{ + return kmalloc((unsigned long)data, gfp_flags); +} + +static void +lpfc_pool_kfree(void *obj, void *data) +{ + kfree(obj); +} + +int +lpfc_mem_alloc(struct lpfc_hba * phba) +{ + struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool; + int i; + + phba->lpfc_scsi_dma_buf_pool = pci_pool_create("lpfc_scsi_dma_buf_pool", + phba->pcidev, phba->cfg_sg_dma_buf_size, 8, 0); + if (!phba->lpfc_scsi_dma_buf_pool) + goto fail; + + phba->lpfc_mbuf_pool = pci_pool_create("lpfc_mbuf_pool", phba->pcidev, + LPFC_BPL_SIZE, 8,0); + if (!phba->lpfc_mbuf_pool) + goto fail_free_dma_buf_pool; + + pool->elements = kmalloc(sizeof(struct lpfc_dmabuf) * + LPFC_MBUF_POOL_SIZE, GFP_KERNEL); + pool->max_count = 0; + pool->current_count = 0; + for ( i = 0; i < LPFC_MBUF_POOL_SIZE; i++) { + pool->elements[i].virt = pci_pool_alloc(phba->lpfc_mbuf_pool, + GFP_KERNEL, &pool->elements[i].phys); + if (!pool->elements[i].virt) + goto fail_free_mbuf_pool; + pool->max_count++; + pool->current_count++; + } + + phba->mbox_mem_pool = mempool_create(LPFC_MEM_POOL_SIZE, + lpfc_pool_kmalloc, lpfc_pool_kfree, + (void *)(unsigned long)sizeof(LPFC_MBOXQ_t)); + if (!phba->mbox_mem_pool) + goto fail_free_mbuf_pool; + + phba->nlp_mem_pool = mempool_create(LPFC_MEM_POOL_SIZE, + lpfc_pool_kmalloc, lpfc_pool_kfree, + (void *)(unsigned long)sizeof(struct lpfc_nodelist)); + if (!phba->nlp_mem_pool) + goto fail_free_mbox_pool; + + return 0; + + fail_free_mbox_pool: + mempool_destroy(phba->mbox_mem_pool); + fail_free_mbuf_pool: + while (--i) + pci_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt, + pool->elements[i].phys); + kfree(pool->elements); + pci_pool_destroy(phba->lpfc_mbuf_pool); + fail_free_dma_buf_pool: + pci_pool_destroy(phba->lpfc_scsi_dma_buf_pool); + fail: + return -ENOMEM; +} + +void +lpfc_mem_free(struct lpfc_hba * phba) +{ + struct lpfc_sli *psli = &phba->sli; + struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool; + LPFC_MBOXQ_t *mbox, *next_mbox; + struct lpfc_dmabuf *mp; + int i; + + list_for_each_entry_safe(mbox, next_mbox, &psli->mboxq, list) { + mp = (struct lpfc_dmabuf *) (mbox->context1); + if (mp) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + } + list_del(&mbox->list); + mempool_free(mbox, phba->mbox_mem_pool); + } + + psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; + if (psli->mbox_active) { + mbox = psli->mbox_active; + mp = (struct lpfc_dmabuf *) (mbox->context1); + if (mp) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + } + mempool_free(mbox, phba->mbox_mem_pool); + psli->mbox_active = NULL; + } + + for (i = 0; i < pool->current_count; i++) + pci_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt, + pool->elements[i].phys); + kfree(pool->elements); + mempool_destroy(phba->nlp_mem_pool); + mempool_destroy(phba->mbox_mem_pool); + + pci_pool_destroy(phba->lpfc_scsi_dma_buf_pool); + pci_pool_destroy(phba->lpfc_mbuf_pool); +} + +void * +lpfc_mbuf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle) +{ + struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool; + void *ret; + + ret = pci_pool_alloc(phba->lpfc_mbuf_pool, GFP_KERNEL, handle); + + if (!ret && ( mem_flags & MEM_PRI) && pool->current_count) { + pool->current_count--; + ret = pool->elements[pool->current_count].virt; + *handle = pool->elements[pool->current_count].phys; + } + return ret; +} + +void +lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) +{ + struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool; + + if (pool->current_count < pool->max_count) { + pool->elements[pool->current_count].virt = virt; + pool->elements[pool->current_count].phys = dma; + pool->current_count++; + } else { + pci_pool_free(phba->lpfc_mbuf_pool, virt, dma); + } + return; +} diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c new file mode 100644 index 000000000000..e7470a4738c5 --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -0,0 +1,1842 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_nportdisc.c 1.179 2005/04/13 11:59:13EDT sf_support Exp $ + */ + +#include +#include +#include + +#include +#include +#include + +#include "lpfc_hw.h" +#include "lpfc_sli.h" +#include "lpfc_disc.h" +#include "lpfc_scsi.h" +#include "lpfc.h" +#include "lpfc_logmsg.h" +#include "lpfc_crtn.h" + + +/* Called to verify a rcv'ed ADISC was intended for us. */ +static int +lpfc_check_adisc(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, + struct lpfc_name * nn, struct lpfc_name * pn) +{ + /* Compare the ADISC rsp WWNN / WWPN matches our internal node + * table entry for that node. + */ + if (memcmp(nn, &ndlp->nlp_nodename, sizeof (struct lpfc_name)) != 0) + return (0); + + if (memcmp(pn, &ndlp->nlp_portname, sizeof (struct lpfc_name)) != 0) + return (0); + + /* we match, return success */ + return (1); +} + + +int +lpfc_check_sparm(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, struct serv_parm * sp, + uint32_t class) +{ + volatile struct serv_parm *hsp = &phba->fc_sparam; + /* First check for supported version */ + + /* Next check for class validity */ + if (sp->cls1.classValid) { + + if (sp->cls1.rcvDataSizeMsb > hsp->cls1.rcvDataSizeMsb) + sp->cls1.rcvDataSizeMsb = hsp->cls1.rcvDataSizeMsb; + if (sp->cls1.rcvDataSizeLsb > hsp->cls1.rcvDataSizeLsb) + sp->cls1.rcvDataSizeLsb = hsp->cls1.rcvDataSizeLsb; + } else if (class == CLASS1) { + return (0); + } + + if (sp->cls2.classValid) { + + if (sp->cls2.rcvDataSizeMsb > hsp->cls2.rcvDataSizeMsb) + sp->cls2.rcvDataSizeMsb = hsp->cls2.rcvDataSizeMsb; + if (sp->cls2.rcvDataSizeLsb > hsp->cls2.rcvDataSizeLsb) + sp->cls2.rcvDataSizeLsb = hsp->cls2.rcvDataSizeLsb; + } else if (class == CLASS2) { + return (0); + } + + if (sp->cls3.classValid) { + + if (sp->cls3.rcvDataSizeMsb > hsp->cls3.rcvDataSizeMsb) + sp->cls3.rcvDataSizeMsb = hsp->cls3.rcvDataSizeMsb; + if (sp->cls3.rcvDataSizeLsb > hsp->cls3.rcvDataSizeLsb) + sp->cls3.rcvDataSizeLsb = hsp->cls3.rcvDataSizeLsb; + } else if (class == CLASS3) { + return (0); + } + + if (sp->cmn.bbRcvSizeMsb > hsp->cmn.bbRcvSizeMsb) + sp->cmn.bbRcvSizeMsb = hsp->cmn.bbRcvSizeMsb; + if (sp->cmn.bbRcvSizeLsb > hsp->cmn.bbRcvSizeLsb) + sp->cmn.bbRcvSizeLsb = hsp->cmn.bbRcvSizeLsb; + + /* If check is good, copy wwpn wwnn into ndlp */ + memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); + memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name)); + return (1); +} + +static void * +lpfc_check_elscmpl_iocb(struct lpfc_hba * phba, + struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) +{ + struct lpfc_dmabuf *pcmd, *prsp; + uint32_t *lp; + void *ptr = NULL; + IOCB_t *irsp; + + irsp = &rspiocb->iocb; + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + + /* For lpfc_els_abort, context2 could be zero'ed to delay + * freeing associated memory till after ABTS completes. + */ + if (pcmd) { + prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, + list); + if (prsp) { + lp = (uint32_t *) prsp->virt; + ptr = (void *)((uint8_t *)lp + sizeof(uint32_t)); + } + } + else { + /* Force ulpStatus error since we are returning NULL ptr */ + if (!(irsp->ulpStatus)) { + irsp->ulpStatus = IOSTAT_LOCAL_REJECT; + irsp->un.ulpWord[4] = IOERR_SLI_ABORTED; + } + ptr = NULL; + } + return (ptr); +} + + +/* + * Free resources / clean up outstanding I/Os + * associated with a LPFC_NODELIST entry. This + * routine effectively results in a "software abort". + */ +int +lpfc_els_abort(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, + int send_abts) +{ + struct lpfc_sli *psli; + struct lpfc_sli_ring *pring; + struct lpfc_iocbq *iocb, *next_iocb; + IOCB_t *icmd; + int found = 0; + + /* Abort outstanding I/O on NPort */ + lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, + "%d:0201 Abort outstanding I/O on NPort x%x " + "Data: x%x x%x x%x\n", + phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, + ndlp->nlp_state, ndlp->nlp_rpi); + + psli = &phba->sli; + pring = &psli->ring[LPFC_ELS_RING]; + + /* First check the txq */ + do { + found = 0; + spin_lock_irq(phba->host->host_lock); + list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { + /* Check to see if iocb matches the nport we are looking + for */ + if ((lpfc_check_sli_ndlp(phba, pring, iocb, ndlp))) { + found = 1; + /* It matches, so deque and call compl with an + error */ + list_del(&iocb->list); + pring->txq_cnt--; + if (iocb->iocb_cmpl) { + icmd = &iocb->iocb; + icmd->ulpStatus = IOSTAT_LOCAL_REJECT; + icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + spin_unlock_irq(phba->host->host_lock); + (iocb->iocb_cmpl) (phba, iocb, iocb); + spin_lock_irq(phba->host->host_lock); + } else { + list_add_tail(&iocb->list, + &phba->lpfc_iocb_list); + } + break; + } + } + spin_unlock_irq(phba->host->host_lock); + } while (found); + + /* Everything on txcmplq will be returned by firmware + * with a no rpi / linkdown / abort error. For ring 0, + * ELS discovery, we want to get rid of it right here. + */ + /* Next check the txcmplq */ + do { + found = 0; + spin_lock_irq(phba->host->host_lock); + list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, + list) { + /* Check to see if iocb matches the nport we are looking + for */ + if ((lpfc_check_sli_ndlp (phba, pring, iocb, ndlp))) { + found = 1; + /* It matches, so deque and call compl with an + error */ + list_del(&iocb->list); + pring->txcmplq_cnt--; + + icmd = &iocb->iocb; + /* If the driver is completing an ELS + * command early, flush it out of the firmware. + */ + if (send_abts && + (icmd->ulpCommand == CMD_ELS_REQUEST64_CR) && + (icmd->un.elsreq64.bdl.ulpIoTag32)) { + lpfc_sli_issue_abort_iotag32(phba, + pring, iocb); + } + if (iocb->iocb_cmpl) { + icmd->ulpStatus = IOSTAT_LOCAL_REJECT; + icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + spin_unlock_irq(phba->host->host_lock); + (iocb->iocb_cmpl) (phba, iocb, iocb); + spin_lock_irq(phba->host->host_lock); + } else { + list_add_tail(&iocb->list, + &phba->lpfc_iocb_list); + } + break; + } + } + spin_unlock_irq(phba->host->host_lock); + } while(found); + + /* If we are delaying issuing an ELS command, cancel it */ + if (ndlp->nlp_flag & NLP_DELAY_TMO) { + ndlp->nlp_flag &= ~NLP_DELAY_TMO; + del_timer_sync(&ndlp->nlp_delayfunc); + if (!list_empty(&ndlp->els_retry_evt.evt_listp)) + list_del_init(&ndlp->els_retry_evt.evt_listp); + } + return (0); +} + +static int +lpfc_rcv_plogi(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, + struct lpfc_iocbq *cmdiocb) +{ + struct lpfc_dmabuf *pcmd; + uint32_t *lp; + IOCB_t *icmd; + struct serv_parm *sp; + LPFC_MBOXQ_t *mbox; + struct ls_rjt stat; + int rc; + + memset(&stat, 0, sizeof (struct ls_rjt)); + if (phba->hba_state <= LPFC_FLOGI) { + /* Before responding to PLOGI, check for pt2pt mode. + * If we are pt2pt, with an outstanding FLOGI, abort + * the FLOGI and resend it first. + */ + if (phba->fc_flag & FC_PT2PT) { + lpfc_els_abort_flogi(phba); + if (!(phba->fc_flag & FC_PT2PT_PLOGI)) { + /* If the other side is supposed to initiate + * the PLOGI anyway, just ACC it now and + * move on with discovery. + */ + phba->fc_edtov = FF_DEF_EDTOV; + phba->fc_ratov = FF_DEF_RATOV; + /* Start discovery - this should just do + CLEAR_LA */ + lpfc_disc_start(phba); + } + else { + lpfc_initial_flogi(phba); + } + } + else { + stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; + stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; + lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, + ndlp); + return 0; + } + } + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + lp = (uint32_t *) pcmd->virt; + sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); + if ((lpfc_check_sparm(phba, ndlp, sp, CLASS3) == 0)) { + /* Reject this request because invalid parameters */ + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; + lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); + return (0); + } + icmd = &cmdiocb->iocb; + + /* PLOGI chkparm OK */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_ELS, + "%d:0114 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", + phba->brd_no, + ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag, + ndlp->nlp_rpi); + + if ((phba->cfg_fcp_class == 2) && + (sp->cls2.classValid)) { + ndlp->nlp_fcp_info |= CLASS2; + } else { + ndlp->nlp_fcp_info |= CLASS3; + } + ndlp->nlp_class_sup = 0; + if (sp->cls1.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS1; + if (sp->cls2.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS2; + if (sp->cls3.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS3; + if (sp->cls4.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS4; + ndlp->nlp_maxframe = + ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; + + /* no need to reg_login if we are already in one of these states */ + switch(ndlp->nlp_state) { + case NLP_STE_NPR_NODE: + if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) + break; + case NLP_STE_REG_LOGIN_ISSUE: + case NLP_STE_PRLI_ISSUE: + case NLP_STE_UNMAPPED_NODE: + case NLP_STE_MAPPED_NODE: + lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, 0); + return (1); + } + + if ((phba->fc_flag & FC_PT2PT) + && !(phba->fc_flag & FC_PT2PT_PLOGI)) { + /* rcv'ed PLOGI decides what our NPortId will be */ + phba->fc_myDID = icmd->un.rcvels.parmRo; + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (mbox == NULL) + goto out; + lpfc_config_link(phba, mbox); + mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + rc = lpfc_sli_issue_mbox + (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); + if (rc == MBX_NOT_FINISHED) { + mempool_free( mbox, phba->mbox_mem_pool); + goto out; + } + + lpfc_can_disctmo(phba); + } + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (mbox == NULL) + goto out; + + if (lpfc_reg_login(phba, icmd->un.rcvels.remoteID, + (uint8_t *) sp, mbox, 0)) { + mempool_free( mbox, phba->mbox_mem_pool); + goto out; + } + + /* ACC PLOGI rsp command needs to execute first, + * queue this mbox command to be processed later. + */ + mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; + mbox->context2 = ndlp; + ndlp->nlp_flag |= NLP_ACC_REGLOGIN; + + /* If there is an outstanding PLOGI issued, abort it before + * sending ACC rsp to PLOGI recieved. + */ + if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) { + /* software abort outstanding PLOGI */ + lpfc_els_abort(phba, ndlp, 1); + } + ndlp->nlp_flag |= NLP_RCV_PLOGI; + lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox, 0); + return (1); + +out: + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE; + lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); + return (0); +} + +static int +lpfc_rcv_padisc(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, + struct lpfc_iocbq *cmdiocb) +{ + struct lpfc_dmabuf *pcmd; + struct serv_parm *sp; + struct lpfc_name *pnn, *ppn; + struct ls_rjt stat; + ADISC *ap; + IOCB_t *icmd; + uint32_t *lp; + uint32_t cmd; + + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + lp = (uint32_t *) pcmd->virt; + + cmd = *lp++; + if (cmd == ELS_CMD_ADISC) { + ap = (ADISC *) lp; + pnn = (struct lpfc_name *) & ap->nodeName; + ppn = (struct lpfc_name *) & ap->portName; + } else { + sp = (struct serv_parm *) lp; + pnn = (struct lpfc_name *) & sp->nodeName; + ppn = (struct lpfc_name *) & sp->portName; + } + + icmd = &cmdiocb->iocb; + if ((icmd->ulpStatus == 0) && + (lpfc_check_adisc(phba, ndlp, pnn, ppn))) { + if (cmd == ELS_CMD_ADISC) { + lpfc_els_rsp_adisc_acc(phba, cmdiocb, ndlp); + } + else { + lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, + NULL, 0); + } + return (1); + } + /* Reject this request because invalid parameters */ + stat.un.b.lsRjtRsvd0 = 0; + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; + stat.un.b.vendorUnique = 0; + lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); + + ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; + /* 1 sec timeout */ + mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); + + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_DELAY_TMO; + spin_unlock_irq(phba->host->host_lock); + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + return (0); +} + +static int +lpfc_rcv_logo(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, + struct lpfc_iocbq *cmdiocb) +{ + /* Put ndlp on NPR list with 1 sec timeout for plogi, ACC logo */ + /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary + * PLOGIs during LOGO storms from a device. + */ + ndlp->nlp_flag |= NLP_LOGO_ACC; + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + + if (!(ndlp->nlp_type & NLP_FABRIC)) { + /* Only try to re-login if this is NOT a Fabric Node */ + ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; + mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_DELAY_TMO; + spin_unlock_irq(phba->host->host_lock); + } + + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + + ndlp->nlp_flag &= ~NLP_NPR_ADISC; + /* The driver has to wait until the ACC completes before it continues + * processing the LOGO. The action will resume in + * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an + * unreg_login, the driver waits so the ACC does not get aborted. + */ + return (0); +} + +static void +lpfc_rcv_prli(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, + struct lpfc_iocbq *cmdiocb) +{ + struct lpfc_dmabuf *pcmd; + uint32_t *lp; + PRLI *npr; + struct fc_rport *rport = ndlp->rport; + u32 roles; + + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + lp = (uint32_t *) pcmd->virt; + npr = (PRLI *) ((uint8_t *) lp + sizeof (uint32_t)); + + ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); + ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; + if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && + (npr->prliType == PRLI_FCP_TYPE)) { + if (npr->initiatorFunc) + ndlp->nlp_type |= NLP_FCP_INITIATOR; + if (npr->targetFunc) + ndlp->nlp_type |= NLP_FCP_TARGET; + if (npr->Retry) + ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; + } + if (rport) { + /* We need to update the rport role values */ + roles = FC_RPORT_ROLE_UNKNOWN; + if (ndlp->nlp_type & NLP_FCP_INITIATOR) + roles |= FC_RPORT_ROLE_FCP_INITIATOR; + if (ndlp->nlp_type & NLP_FCP_TARGET) + roles |= FC_RPORT_ROLE_FCP_TARGET; + fc_remote_port_rolechg(rport, roles); + } +} + +static uint32_t +lpfc_disc_set_adisc(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp) +{ + /* Check config parameter use-adisc or FCP-2 */ + if ((phba->cfg_use_adisc == 0) && + !(phba->fc_flag & FC_RSCN_MODE)) { + if (!(ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE)) + return (0); + } + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_NPR_ADISC; + spin_unlock_irq(phba->host->host_lock); + return (1); +} + +static uint32_t +lpfc_disc_noop(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + /* This routine does nothing, just return the current state */ + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_disc_illegal(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + lpfc_printf_log(phba, + KERN_ERR, + LOG_DISCOVERY, + "%d:0253 Illegal State Transition: node x%x event x%x, " + "state x%x Data: x%x x%x\n", + phba->brd_no, + ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, + ndlp->nlp_flag); + return (ndlp->nlp_state); +} + +/* Start of Discovery State Machine routines */ + +static uint32_t +lpfc_rcv_plogi_unused_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { + ndlp->nlp_state = NLP_STE_UNUSED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); + return (ndlp->nlp_state); + } + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + +static uint32_t +lpfc_rcv_els_unused_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + lpfc_issue_els_logo(phba, ndlp, 0); + lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_logo_unused_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_LOGO_ACC; + spin_unlock_irq(phba->host->host_lock); + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); + + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_cmpl_logo_unused_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + +static uint32_t +lpfc_device_rm_unused_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + +static uint32_t +lpfc_rcv_plogi_plogi_issue(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, + void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb = arg; + struct lpfc_dmabuf *pcmd; + struct serv_parm *sp; + uint32_t *lp; + struct ls_rjt stat; + int port_cmp; + + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + lp = (uint32_t *) pcmd->virt; + sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); + + memset(&stat, 0, sizeof (struct ls_rjt)); + + /* For a PLOGI, we only accept if our portname is less + * than the remote portname. + */ + phba->fc_stat.elsLogiCol++; + port_cmp = memcmp(&phba->fc_portname, &sp->portName, + sizeof (struct lpfc_name)); + + if (port_cmp >= 0) { + /* Reject this request because the remote node will accept + ours */ + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; + lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); + } + else { + lpfc_rcv_plogi(phba, ndlp, cmdiocb); + } /* if our portname was less */ + + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_els_plogi_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + /* software abort outstanding PLOGI */ + lpfc_els_abort(phba, ndlp, 1); + mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_DELAY_TMO; + spin_unlock_irq(phba->host->host_lock); + + if (evt == NLP_EVT_RCV_LOGO) { + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + } + else { + lpfc_issue_els_logo(phba, ndlp, 0); + } + + /* Put ndlp in npr list set plogi timer for 1 sec */ + ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb, *rspiocb; + struct lpfc_dmabuf *pcmd, *prsp; + uint32_t *lp; + IOCB_t *irsp; + struct serv_parm *sp; + LPFC_MBOXQ_t *mbox; + + cmdiocb = (struct lpfc_iocbq *) arg; + rspiocb = cmdiocb->context_un.rsp_iocb; + + if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { + return (ndlp->nlp_state); + } + + irsp = &rspiocb->iocb; + + if (irsp->ulpStatus) + goto out; + + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + + prsp = list_get_first(&pcmd->list, + struct lpfc_dmabuf, + list); + lp = (uint32_t *) prsp->virt; + + sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); + if (!lpfc_check_sparm(phba, ndlp, sp, CLASS3)) + goto out; + + /* PLOGI chkparm OK */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_ELS, + "%d:0121 PLOGI chkparm OK " + "Data: x%x x%x x%x x%x\n", + phba->brd_no, + ndlp->nlp_DID, ndlp->nlp_state, + ndlp->nlp_flag, ndlp->nlp_rpi); + + if ((phba->cfg_fcp_class == 2) && + (sp->cls2.classValid)) { + ndlp->nlp_fcp_info |= CLASS2; + } else { + ndlp->nlp_fcp_info |= CLASS3; + } + ndlp->nlp_class_sup = 0; + if (sp->cls1.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS1; + if (sp->cls2.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS2; + if (sp->cls3.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS3; + if (sp->cls4.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS4; + ndlp->nlp_maxframe = + ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | + sp->cmn.bbRcvSizeLsb; + + if (!(mbox = mempool_alloc(phba->mbox_mem_pool, + GFP_KERNEL))) + goto out; + + lpfc_unreg_rpi(phba, ndlp); + if (lpfc_reg_login + (phba, irsp->un.elsreq64.remoteID, + (uint8_t *) sp, mbox, 0) == 0) { + /* set_slim mailbox command needs to + * execute first, queue this command to + * be processed later. + */ + switch(ndlp->nlp_DID) { + case NameServer_DID: + mbox->mbox_cmpl = + lpfc_mbx_cmpl_ns_reg_login; + break; + case FDMI_DID: + mbox->mbox_cmpl = + lpfc_mbx_cmpl_fdmi_reg_login; + break; + default: + mbox->mbox_cmpl = + lpfc_mbx_cmpl_reg_login; + } + mbox->context2 = ndlp; + if (lpfc_sli_issue_mbox(phba, mbox, + (MBX_NOWAIT | MBX_STOP_IOCB)) + != MBX_NOT_FINISHED) { + ndlp->nlp_state = + NLP_STE_REG_LOGIN_ISSUE; + lpfc_nlp_list(phba, ndlp, + NLP_REGLOGIN_LIST); + return (ndlp->nlp_state); + } + mempool_free(mbox, phba->mbox_mem_pool); + } else { + mempool_free(mbox, phba->mbox_mem_pool); + } + + + out: + /* Free this node since the driver cannot login or has the wrong + sparm */ + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + +static uint32_t +lpfc_device_rm_plogi_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + /* software abort outstanding PLOGI */ + lpfc_els_abort(phba, ndlp, 1); + + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + +static uint32_t +lpfc_device_recov_plogi_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + /* software abort outstanding PLOGI */ + lpfc_els_abort(phba, ndlp, 1); + + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); + + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_plogi_adisc_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + /* software abort outstanding ADISC */ + lpfc_els_abort(phba, ndlp, 1); + + cmdiocb = (struct lpfc_iocbq *) arg; + + if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { + return (ndlp->nlp_state); + } + ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_issue_els_plogi(phba, ndlp, 0); + + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prli_adisc_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_logo_adisc_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + /* software abort outstanding ADISC */ + lpfc_els_abort(phba, ndlp, 0); + + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_padisc_adisc_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_padisc(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prlo_adisc_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + /* Treat like rcv logo */ + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_cmpl_adisc_adisc_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb, *rspiocb; + IOCB_t *irsp; + ADISC *ap; + + cmdiocb = (struct lpfc_iocbq *) arg; + rspiocb = cmdiocb->context_un.rsp_iocb; + + ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); + irsp = &rspiocb->iocb; + + if ((irsp->ulpStatus) || + (!lpfc_check_adisc(phba, ndlp, &ap->nodeName, &ap->portName))) { + ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; + /* 1 sec timeout */ + mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_DELAY_TMO; + spin_unlock_irq(phba->host->host_lock); + + memset(&ndlp->nlp_nodename, 0, sizeof (struct lpfc_name)); + memset(&ndlp->nlp_portname, 0, sizeof (struct lpfc_name)); + + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_unreg_rpi(phba, ndlp); + return (ndlp->nlp_state); + } + ndlp->nlp_state = NLP_STE_MAPPED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_device_rm_adisc_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + /* software abort outstanding ADISC */ + lpfc_els_abort(phba, ndlp, 1); + + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + +static uint32_t +lpfc_device_recov_adisc_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + /* software abort outstanding ADISC */ + lpfc_els_abort(phba, ndlp, 1); + + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); + + lpfc_disc_set_adisc(phba, ndlp); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_plogi_reglogin_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_plogi(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prli_reglogin_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_logo_reglogin_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_padisc_reglogin_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_padisc(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prlo_reglogin_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, + void *arg, uint32_t evt) +{ + LPFC_MBOXQ_t *pmb; + MAILBOX_t *mb; + uint32_t did; + + pmb = (LPFC_MBOXQ_t *) arg; + mb = &pmb->mb; + did = mb->un.varWords[1]; + if (mb->mbxStatus) { + /* RegLogin failed */ + lpfc_printf_log(phba, + KERN_ERR, + LOG_DISCOVERY, + "%d:0246 RegLogin failed Data: x%x x%x x%x\n", + phba->brd_no, + did, mb->mbxStatus, phba->hba_state); + + mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_DELAY_TMO; + spin_unlock_irq(phba->host->host_lock); + + lpfc_issue_els_logo(phba, ndlp, 0); + /* Put ndlp in npr list set plogi timer for 1 sec */ + ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + return (ndlp->nlp_state); + } + + if (ndlp->nlp_rpi != 0) + lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi); + + ndlp->nlp_rpi = mb->un.varWords[0]; + lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi); + + /* Only if we are not a fabric nport do we issue PRLI */ + if (!(ndlp->nlp_type & NLP_FABRIC)) { + ndlp->nlp_state = NLP_STE_PRLI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST); + lpfc_issue_els_prli(phba, ndlp, 0); + } else { + ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + } + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_device_rm_reglogin_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + +static uint32_t +lpfc_device_recov_reglogin_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_plogi_prli_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_plogi(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prli_prli_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_logo_prli_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + /* Software abort outstanding PRLI before sending acc */ + lpfc_els_abort(phba, ndlp, 1); + + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_padisc_prli_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_padisc(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +/* This routine is envoked when we rcv a PRLO request from a nport + * we are logged into. We should send back a PRLO rsp setting the + * appropriate bits. + * NEXT STATE = PRLI_ISSUE + */ +static uint32_t +lpfc_rcv_prlo_prli_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_cmpl_prli_prli_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb, *rspiocb; + IOCB_t *irsp; + PRLI *npr; + + cmdiocb = (struct lpfc_iocbq *) arg; + rspiocb = cmdiocb->context_un.rsp_iocb; + npr = (PRLI *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); + + irsp = &rspiocb->iocb; + if (irsp->ulpStatus) { + ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + return (ndlp->nlp_state); + } + + /* Check out PRLI rsp */ + ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); + ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; + if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && + (npr->prliType == PRLI_FCP_TYPE)) { + if (npr->initiatorFunc) + ndlp->nlp_type |= NLP_FCP_INITIATOR; + if (npr->targetFunc) + ndlp->nlp_type |= NLP_FCP_TARGET; + if (npr->Retry) + ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; + } + + ndlp->nlp_state = NLP_STE_MAPPED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST); + return (ndlp->nlp_state); +} + +/*! lpfc_device_rm_prli_issue + * + * \pre + * \post + * \param phba + * \param ndlp + * \param arg + * \param evt + * \return uint32_t + * + * \b Description: + * This routine is envoked when we a request to remove a nport we are in the + * process of PRLIing. We should software abort outstanding prli, unreg + * login, send a logout. We will change node state to UNUSED_NODE, put it + * on plogi list so it can be freed when LOGO completes. + * + */ +static uint32_t +lpfc_device_rm_prli_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + /* software abort outstanding PRLI */ + lpfc_els_abort(phba, ndlp, 1); + + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + + +/*! lpfc_device_recov_prli_issue + * + * \pre + * \post + * \param phba + * \param ndlp + * \param arg + * \param evt + * \return uint32_t + * + * \b Description: + * The routine is envoked when the state of a device is unknown, like + * during a link down. We should remove the nodelist entry from the + * unmapped list, issue a UNREG_LOGIN, do a software abort of the + * outstanding PRLI command, then free the node entry. + */ +static uint32_t +lpfc_device_recov_prli_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + /* software abort outstanding PRLI */ + lpfc_els_abort(phba, ndlp, 1); + + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_plogi_unmap_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_plogi(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prli_unmap_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_prli(phba, ndlp, cmdiocb); + lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_logo_unmap_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_padisc_unmap_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_padisc(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prlo_unmap_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + /* Treat like rcv logo */ + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_device_recov_unmap_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + lpfc_disc_set_adisc(phba, ndlp); + + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_plogi_mapped_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_plogi(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prli_mapped_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_logo_mapped_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_padisc_mapped_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_padisc(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prlo_mapped_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + /* flush the target */ + spin_lock_irq(phba->host->host_lock); + lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], + ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); + spin_unlock_irq(phba->host->host_lock); + + /* Treat like rcv logo */ + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_device_recov_mapped_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); + lpfc_disc_set_adisc(phba, ndlp); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_plogi_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + /* Ignore PLOGI if we have an outstanding LOGO */ + if (ndlp->nlp_flag & NLP_LOGO_SND) { + return (ndlp->nlp_state); + } + + if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~(NLP_NPR_ADISC | NLP_NPR_2B_DISC); + spin_unlock_irq(phba->host->host_lock); + return (ndlp->nlp_state); + } + + /* send PLOGI immediately, move to PLOGI issue state */ + if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { + ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_issue_els_plogi(phba, ndlp, 0); + } + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prli_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + struct ls_rjt stat; + + cmdiocb = (struct lpfc_iocbq *) arg; + + memset(&stat, 0, sizeof (struct ls_rjt)); + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; + lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); + + if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { + if (ndlp->nlp_flag & NLP_NPR_ADISC) { + ndlp->nlp_state = NLP_STE_ADISC_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); + lpfc_issue_els_adisc(phba, ndlp, 0); + } else { + ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_issue_els_plogi(phba, ndlp, 0); + } + } + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_logo_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_padisc_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_padisc(phba, ndlp, cmdiocb); + + if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { + if (ndlp->nlp_flag & NLP_NPR_ADISC) { + ndlp->nlp_state = NLP_STE_ADISC_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); + lpfc_issue_els_adisc(phba, ndlp, 0); + } else { + ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_issue_els_plogi(phba, ndlp, 0); + } + } + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prlo_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + + if (ndlp->nlp_flag & NLP_DELAY_TMO) { + if (ndlp->nlp_last_elscmd == (unsigned long)ELS_CMD_PLOGI) { + return (ndlp->nlp_state); + } else { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_DELAY_TMO; + spin_unlock_irq(phba->host->host_lock); + del_timer_sync(&ndlp->nlp_delayfunc); + if (!list_empty(&ndlp->els_retry_evt.evt_listp)) + list_del_init(&ndlp->els_retry_evt.evt_listp); + } + } + + ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_issue_els_plogi(phba, ndlp, 0); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_cmpl_logo_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + lpfc_unreg_rpi(phba, ndlp); + /* This routine does nothing, just return the current state */ + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_cmpl_reglogin_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + LPFC_MBOXQ_t *pmb; + MAILBOX_t *mb; + + pmb = (LPFC_MBOXQ_t *) arg; + mb = &pmb->mb; + + /* save rpi */ + if (ndlp->nlp_rpi != 0) + lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi); + + ndlp->nlp_rpi = mb->un.varWords[0]; + lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi); + + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_device_rm_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + +static uint32_t +lpfc_device_recov_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); + return (ndlp->nlp_state); +} + + +/* This next section defines the NPort Discovery State Machine */ + +/* There are 4 different double linked lists nodelist entries can reside on. + * The plogi list and adisc list are used when Link Up discovery or RSCN + * processing is needed. Each list holds the nodes that we will send PLOGI + * or ADISC on. These lists will keep track of what nodes will be effected + * by an RSCN, or a Link Up (Typically, all nodes are effected on Link Up). + * The unmapped_list will contain all nodes that we have successfully logged + * into at the Fibre Channel level. The mapped_list will contain all nodes + * that are mapped FCP targets. + */ +/* + * The bind list is a list of undiscovered (potentially non-existent) nodes + * that we have saved binding information on. This information is used when + * nodes transition from the unmapped to the mapped list. + */ +/* For UNUSED_NODE state, the node has just been allocated . + * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on + * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list + * and put on the unmapped list. For ADISC processing, the node is taken off + * the ADISC list and placed on either the mapped or unmapped list (depending + * on its previous state). Once on the unmapped list, a PRLI is issued and the + * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is + * changed to UNMAPPED_NODE. If the completion indicates a mapped + * node, the node is taken off the unmapped list. The binding list is checked + * for a valid binding, or a binding is automatically assigned. If binding + * assignment is unsuccessful, the node is left on the unmapped list. If + * binding assignment is successful, the associated binding list entry (if + * any) is removed, and the node is placed on the mapped list. + */ +/* + * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped + * lists will receive a DEVICE_RECOVERY event. If the linkdown or nodev timers + * expire, all effected nodes will receive a DEVICE_RM event. + */ +/* + * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists + * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap + * check, additional nodes may be added or removed (via DEVICE_RM) to / from + * the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated, + * we will first process the ADISC list. 32 entries are processed initially and + * ADISC is initited for each one. Completions / Events for each node are + * funnelled thru the state machine. As each node finishes ADISC processing, it + * starts ADISC for any nodes waiting for ADISC processing. If no nodes are + * waiting, and the ADISC list count is identically 0, then we are done. For + * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we + * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI + * list. 32 entries are processed initially and PLOGI is initited for each one. + * Completions / Events for each node are funnelled thru the state machine. As + * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting + * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is + * indentically 0, then we are done. We have now completed discovery / RSCN + * handling. Upon completion, ALL nodes should be on either the mapped or + * unmapped lists. + */ + +static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) + (struct lpfc_hba *, struct lpfc_nodelist *, void *, uint32_t) = { + /* Action routine Event Current State */ + lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */ + lpfc_rcv_els_unused_node, /* RCV_PRLI */ + lpfc_rcv_logo_unused_node, /* RCV_LOGO */ + lpfc_rcv_els_unused_node, /* RCV_ADISC */ + lpfc_rcv_els_unused_node, /* RCV_PDISC */ + lpfc_rcv_els_unused_node, /* RCV_PRLO */ + lpfc_disc_illegal, /* CMPL_PLOGI */ + lpfc_disc_illegal, /* CMPL_PRLI */ + lpfc_cmpl_logo_unused_node, /* CMPL_LOGO */ + lpfc_disc_illegal, /* CMPL_ADISC */ + lpfc_disc_illegal, /* CMPL_REG_LOGIN */ + lpfc_device_rm_unused_node, /* DEVICE_RM */ + lpfc_disc_illegal, /* DEVICE_RECOVERY */ + + lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */ + lpfc_rcv_els_plogi_issue, /* RCV_PRLI */ + lpfc_rcv_els_plogi_issue, /* RCV_LOGO */ + lpfc_rcv_els_plogi_issue, /* RCV_ADISC */ + lpfc_rcv_els_plogi_issue, /* RCV_PDISC */ + lpfc_rcv_els_plogi_issue, /* RCV_PRLO */ + lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */ + lpfc_disc_illegal, /* CMPL_PRLI */ + lpfc_disc_illegal, /* CMPL_LOGO */ + lpfc_disc_illegal, /* CMPL_ADISC */ + lpfc_disc_illegal, /* CMPL_REG_LOGIN */ + lpfc_device_rm_plogi_issue, /* DEVICE_RM */ + lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */ + + lpfc_rcv_plogi_adisc_issue, /* RCV_PLOGI ADISC_ISSUE */ + lpfc_rcv_prli_adisc_issue, /* RCV_PRLI */ + lpfc_rcv_logo_adisc_issue, /* RCV_LOGO */ + lpfc_rcv_padisc_adisc_issue, /* RCV_ADISC */ + lpfc_rcv_padisc_adisc_issue, /* RCV_PDISC */ + lpfc_rcv_prlo_adisc_issue, /* RCV_PRLO */ + lpfc_disc_illegal, /* CMPL_PLOGI */ + lpfc_disc_illegal, /* CMPL_PRLI */ + lpfc_disc_illegal, /* CMPL_LOGO */ + lpfc_cmpl_adisc_adisc_issue, /* CMPL_ADISC */ + lpfc_disc_illegal, /* CMPL_REG_LOGIN */ + lpfc_device_rm_adisc_issue, /* DEVICE_RM */ + lpfc_device_recov_adisc_issue, /* DEVICE_RECOVERY */ + + lpfc_rcv_plogi_reglogin_issue, /* RCV_PLOGI REG_LOGIN_ISSUE */ + lpfc_rcv_prli_reglogin_issue, /* RCV_PLOGI */ + lpfc_rcv_logo_reglogin_issue, /* RCV_LOGO */ + lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */ + lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */ + lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */ + lpfc_disc_illegal, /* CMPL_PLOGI */ + lpfc_disc_illegal, /* CMPL_PRLI */ + lpfc_disc_illegal, /* CMPL_LOGO */ + lpfc_disc_illegal, /* CMPL_ADISC */ + lpfc_cmpl_reglogin_reglogin_issue,/* CMPL_REG_LOGIN */ + lpfc_device_rm_reglogin_issue, /* DEVICE_RM */ + lpfc_device_recov_reglogin_issue,/* DEVICE_RECOVERY */ + + lpfc_rcv_plogi_prli_issue, /* RCV_PLOGI PRLI_ISSUE */ + lpfc_rcv_prli_prli_issue, /* RCV_PRLI */ + lpfc_rcv_logo_prli_issue, /* RCV_LOGO */ + lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */ + lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */ + lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */ + lpfc_disc_illegal, /* CMPL_PLOGI */ + lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */ + lpfc_disc_illegal, /* CMPL_LOGO */ + lpfc_disc_illegal, /* CMPL_ADISC */ + lpfc_disc_illegal, /* CMPL_REG_LOGIN */ + lpfc_device_rm_prli_issue, /* DEVICE_RM */ + lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */ + + lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */ + lpfc_rcv_prli_unmap_node, /* RCV_PRLI */ + lpfc_rcv_logo_unmap_node, /* RCV_LOGO */ + lpfc_rcv_padisc_unmap_node, /* RCV_ADISC */ + lpfc_rcv_padisc_unmap_node, /* RCV_PDISC */ + lpfc_rcv_prlo_unmap_node, /* RCV_PRLO */ + lpfc_disc_illegal, /* CMPL_PLOGI */ + lpfc_disc_illegal, /* CMPL_PRLI */ + lpfc_disc_illegal, /* CMPL_LOGO */ + lpfc_disc_illegal, /* CMPL_ADISC */ + lpfc_disc_illegal, /* CMPL_REG_LOGIN */ + lpfc_disc_illegal, /* DEVICE_RM */ + lpfc_device_recov_unmap_node, /* DEVICE_RECOVERY */ + + lpfc_rcv_plogi_mapped_node, /* RCV_PLOGI MAPPED_NODE */ + lpfc_rcv_prli_mapped_node, /* RCV_PRLI */ + lpfc_rcv_logo_mapped_node, /* RCV_LOGO */ + lpfc_rcv_padisc_mapped_node, /* RCV_ADISC */ + lpfc_rcv_padisc_mapped_node, /* RCV_PDISC */ + lpfc_rcv_prlo_mapped_node, /* RCV_PRLO */ + lpfc_disc_illegal, /* CMPL_PLOGI */ + lpfc_disc_illegal, /* CMPL_PRLI */ + lpfc_disc_illegal, /* CMPL_LOGO */ + lpfc_disc_illegal, /* CMPL_ADISC */ + lpfc_disc_illegal, /* CMPL_REG_LOGIN */ + lpfc_disc_illegal, /* DEVICE_RM */ + lpfc_device_recov_mapped_node, /* DEVICE_RECOVERY */ + + lpfc_rcv_plogi_npr_node, /* RCV_PLOGI NPR_NODE */ + lpfc_rcv_prli_npr_node, /* RCV_PRLI */ + lpfc_rcv_logo_npr_node, /* RCV_LOGO */ + lpfc_rcv_padisc_npr_node, /* RCV_ADISC */ + lpfc_rcv_padisc_npr_node, /* RCV_PDISC */ + lpfc_rcv_prlo_npr_node, /* RCV_PRLO */ + lpfc_disc_noop, /* CMPL_PLOGI */ + lpfc_disc_noop, /* CMPL_PRLI */ + lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */ + lpfc_disc_noop, /* CMPL_ADISC */ + lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */ + lpfc_device_rm_npr_node, /* DEVICE_RM */ + lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */ +}; + +int +lpfc_disc_state_machine(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + uint32_t cur_state, rc; + uint32_t(*func) (struct lpfc_hba *, struct lpfc_nodelist *, void *, + uint32_t); + + ndlp->nlp_disc_refcnt++; + cur_state = ndlp->nlp_state; + + /* DSM in event on NPort in state */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_DISCOVERY, + "%d:0211 DSM in event x%x on NPort x%x in state %d " + "Data: x%x\n", + phba->brd_no, + evt, ndlp->nlp_DID, cur_state, ndlp->nlp_flag); + + func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt]; + rc = (func) (phba, ndlp, arg, evt); + + /* DSM out state on NPort */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_DISCOVERY, + "%d:0212 DSM out state %d on NPort x%x Data: x%x\n", + phba->brd_no, + rc, ndlp->nlp_DID, ndlp->nlp_flag); + + ndlp->nlp_disc_refcnt--; + + /* Check to see if ndlp removal is deferred */ + if ((ndlp->nlp_disc_refcnt == 0) + && (ndlp->nlp_flag & NLP_DELAY_REMOVE)) { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_DELAY_REMOVE; + spin_unlock_irq(phba->host->host_lock); + lpfc_nlp_remove(phba, ndlp); + return (NLP_STE_FREED_NODE); + } + if (rc == NLP_STE_FREED_NODE) + return (NLP_STE_FREED_NODE); + ndlp->nlp_state = rc; + return (rc); +} diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c new file mode 100644 index 000000000000..42fab03ad2ba --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -0,0 +1,1246 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_scsi.c 1.37 2005/04/13 14:27:09EDT sf_support Exp $ + */ + +#include +#include + +#include +#include +#include +#include +#include + +#include "lpfc_version.h" +#include "lpfc_hw.h" +#include "lpfc_sli.h" +#include "lpfc_disc.h" +#include "lpfc_scsi.h" +#include "lpfc.h" +#include "lpfc_logmsg.h" +#include "lpfc_crtn.h" + +#define LPFC_RESET_WAIT 2 +#define LPFC_ABORT_WAIT 2 + +static inline void lpfc_put_lun(struct fcp_cmnd *fcmd, unsigned int lun) +{ + fcmd->fcpLunLsl = 0; + fcmd->fcpLunMsl = swab16((uint16_t)lun); +} + +/* + * This routine allocates a scsi buffer, which contains all the necessary + * information needed to initiate a SCSI I/O. The non-DMAable buffer region + * contains information to build the IOCB. The DMAable region contains + * memory for the FCP CMND, FCP RSP, and the inital BPL. In addition to + * allocating memeory, the FCP CMND and FCP RSP BDEs are setup in the BPL + * and the BPL BDE is setup in the IOCB. + */ +static struct lpfc_scsi_buf * +lpfc_get_scsi_buf(struct lpfc_hba * phba) +{ + struct lpfc_scsi_buf *psb; + struct ulp_bde64 *bpl; + IOCB_t *iocb; + dma_addr_t pdma_phys; + + psb = kmalloc(sizeof(struct lpfc_scsi_buf), GFP_KERNEL); + if (!psb) + return NULL; + memset(psb, 0, sizeof (struct lpfc_scsi_buf)); + psb->scsi_hba = phba; + + /* + * Get memory from the pci pool to map the virt space to pci bus space + * for an I/O. The DMA buffer includes space for the struct fcp_cmnd, + * struct fcp_rsp and the number of bde's necessary to support the + * sg_tablesize. + */ + psb->data = pci_pool_alloc(phba->lpfc_scsi_dma_buf_pool, GFP_KERNEL, + &psb->dma_handle); + if (!psb->data) { + kfree(psb); + return NULL; + } + + /* Initialize virtual ptrs to dma_buf region. */ + memset(psb->data, 0, phba->cfg_sg_dma_buf_size); + + psb->fcp_cmnd = psb->data; + psb->fcp_rsp = psb->data + sizeof(struct fcp_cmnd); + psb->fcp_bpl = psb->data + sizeof(struct fcp_cmnd) + + sizeof(struct fcp_rsp); + + /* Initialize local short-hand pointers. */ + bpl = psb->fcp_bpl; + pdma_phys = psb->dma_handle; + + /* + * The first two bdes are the FCP_CMD and FCP_RSP. The balance are sg + * list bdes. Initialize the first two and leave the rest for + * queuecommand. + */ + bpl->addrHigh = le32_to_cpu(putPaddrHigh(pdma_phys)); + bpl->addrLow = le32_to_cpu(putPaddrLow(pdma_phys)); + bpl->tus.f.bdeSize = sizeof (struct fcp_cmnd); + bpl->tus.f.bdeFlags = BUFF_USE_CMND; + bpl->tus.w = le32_to_cpu(bpl->tus.w); + bpl++; + + /* Setup the physical region for the FCP RSP */ + pdma_phys += sizeof (struct fcp_cmnd); + bpl->addrHigh = le32_to_cpu(putPaddrHigh(pdma_phys)); + bpl->addrLow = le32_to_cpu(putPaddrLow(pdma_phys)); + bpl->tus.f.bdeSize = sizeof (struct fcp_rsp); + bpl->tus.f.bdeFlags = (BUFF_USE_CMND | BUFF_USE_RCV); + bpl->tus.w = le32_to_cpu(bpl->tus.w); + + /* + * Since the IOCB for the FCP I/O is built into this lpfc_scsi_buf, + * initialize it with all known data now. + */ + pdma_phys += (sizeof (struct fcp_rsp)); + iocb = &psb->cur_iocbq.iocb; + iocb->un.fcpi64.bdl.ulpIoTag32 = 0; + iocb->un.fcpi64.bdl.addrHigh = putPaddrHigh(pdma_phys); + iocb->un.fcpi64.bdl.addrLow = putPaddrLow(pdma_phys); + iocb->un.fcpi64.bdl.bdeSize = (2 * sizeof (struct ulp_bde64)); + iocb->un.fcpi64.bdl.bdeFlags = BUFF_TYPE_BDL; + iocb->ulpBdeCount = 1; + iocb->ulpClass = CLASS3; + + return psb; +} + +static void +lpfc_free_scsi_buf(struct lpfc_scsi_buf * psb) +{ + struct lpfc_hba *phba = psb->scsi_hba; + + /* + * There are only two special cases to consider. (1) the scsi command + * requested scatter-gather usage or (2) the scsi command allocated + * a request buffer, but did not request use_sg. There is a third + * case, but it does not require resource deallocation. + */ + if ((psb->seg_cnt > 0) && (psb->pCmd->use_sg)) { + dma_unmap_sg(&phba->pcidev->dev, psb->pCmd->request_buffer, + psb->seg_cnt, psb->pCmd->sc_data_direction); + } else { + if ((psb->nonsg_phys) && (psb->pCmd->request_bufflen)) { + dma_unmap_single(&phba->pcidev->dev, psb->nonsg_phys, + psb->pCmd->request_bufflen, + psb->pCmd->sc_data_direction); + } + } + + list_add_tail(&psb->list, &phba->lpfc_scsi_buf_list); +} + +static int +lpfc_scsi_prep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd) +{ + struct scsi_cmnd *scsi_cmnd = lpfc_cmd->pCmd; + struct scatterlist *sgel = NULL; + struct fcp_cmnd *fcp_cmnd = lpfc_cmd->fcp_cmnd; + struct ulp_bde64 *bpl = lpfc_cmd->fcp_bpl; + IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb; + dma_addr_t physaddr; + uint32_t i, num_bde = 0; + int datadir = scsi_cmnd->sc_data_direction; + int dma_error; + + /* + * There are three possibilities here - use scatter-gather segment, use + * the single mapping, or neither. Start the lpfc command prep by + * bumping the bpl beyond the fcp_cmnd and fcp_rsp regions to the first + * data bde entry. + */ + bpl += 2; + if (scsi_cmnd->use_sg) { + /* + * The driver stores the segment count returned from pci_map_sg + * because this a count of dma-mappings used to map the use_sg + * pages. They are not guaranteed to be the same for those + * architectures that implement an IOMMU. + */ + sgel = (struct scatterlist *)scsi_cmnd->request_buffer; + lpfc_cmd->seg_cnt = dma_map_sg(&phba->pcidev->dev, sgel, + scsi_cmnd->use_sg, datadir); + if (lpfc_cmd->seg_cnt == 0) + return 1; + + if (lpfc_cmd->seg_cnt > phba->cfg_sg_seg_cnt) { + printk(KERN_ERR "%s: Too many sg segments from " + "dma_map_sg. Config %d, seg_cnt %d", + __FUNCTION__, phba->cfg_sg_seg_cnt, + lpfc_cmd->seg_cnt); + dma_unmap_sg(&phba->pcidev->dev, sgel, + lpfc_cmd->seg_cnt, datadir); + return 1; + } + + /* + * The driver established a maximum scatter-gather segment count + * during probe that limits the number of sg elements in any + * single scsi command. Just run through the seg_cnt and format + * the bde's. + */ + for (i = 0; i < lpfc_cmd->seg_cnt; i++) { + physaddr = sg_dma_address(sgel); + bpl->addrLow = le32_to_cpu(putPaddrLow(physaddr)); + bpl->addrHigh = le32_to_cpu(putPaddrHigh(physaddr)); + bpl->tus.f.bdeSize = sg_dma_len(sgel); + if (datadir == DMA_TO_DEVICE) + bpl->tus.f.bdeFlags = 0; + else + bpl->tus.f.bdeFlags = BUFF_USE_RCV; + bpl->tus.w = le32_to_cpu(bpl->tus.w); + bpl++; + sgel++; + num_bde++; + } + } else if (scsi_cmnd->request_buffer && scsi_cmnd->request_bufflen) { + physaddr = dma_map_single(&phba->pcidev->dev, + scsi_cmnd->request_buffer, + scsi_cmnd->request_bufflen, + datadir); + dma_error = dma_mapping_error(physaddr); + if (dma_error) { + lpfc_printf_log(phba, KERN_ERR, LOG_FCP, + "%d:0718 Unable to dma_map_single " + "request_buffer: x%x\n", + phba->brd_no, dma_error); + return 1; + } + + lpfc_cmd->nonsg_phys = physaddr; + bpl->addrLow = le32_to_cpu(putPaddrLow(physaddr)); + bpl->addrHigh = le32_to_cpu(putPaddrHigh(physaddr)); + bpl->tus.f.bdeSize = scsi_cmnd->request_bufflen; + if (datadir == DMA_TO_DEVICE) + bpl->tus.f.bdeFlags = 0; + bpl->tus.w = le32_to_cpu(bpl->tus.w); + num_bde = 1; + bpl++; + } + + /* + * Finish initializing those IOCB fields that are dependent on the + * scsi_cmnd request_buffer + */ + iocb_cmd->un.fcpi64.bdl.bdeSize += + (num_bde * sizeof (struct ulp_bde64)); + iocb_cmd->ulpBdeCount = 1; + iocb_cmd->ulpLe = 1; + fcp_cmnd->fcpDl = be32_to_cpu(scsi_cmnd->request_bufflen); + return 0; +} + +static void +lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd) +{ + struct scsi_cmnd *cmnd = lpfc_cmd->pCmd; + struct fcp_cmnd *fcpcmd = lpfc_cmd->fcp_cmnd; + struct fcp_rsp *fcprsp = lpfc_cmd->fcp_rsp; + struct lpfc_hba *phba = lpfc_cmd->scsi_hba; + uint32_t fcpi_parm = lpfc_cmd->cur_iocbq.iocb.un.fcpi.fcpi_parm; + uint32_t resp_info = fcprsp->rspStatus2; + uint32_t scsi_status = fcprsp->rspStatus3; + uint32_t host_status = DID_OK; + uint32_t rsplen = 0; + + /* + * If this is a task management command, there is no + * scsi packet associated with this lpfc_cmd. The driver + * consumes it. + */ + if (fcpcmd->fcpCntl2) { + scsi_status = 0; + goto out; + } + + lpfc_printf_log(phba, KERN_WARNING, LOG_FCP, + "%d:0730 FCP command failed: RSP " + "Data: x%x x%x x%x x%x x%x x%x\n", + phba->brd_no, resp_info, scsi_status, + be32_to_cpu(fcprsp->rspResId), + be32_to_cpu(fcprsp->rspSnsLen), + be32_to_cpu(fcprsp->rspRspLen), + fcprsp->rspInfo3); + + if (resp_info & RSP_LEN_VALID) { + rsplen = be32_to_cpu(fcprsp->rspRspLen); + if ((rsplen != 0 && rsplen != 4 && rsplen != 8) || + (fcprsp->rspInfo3 != RSP_NO_FAILURE)) { + host_status = DID_ERROR; + goto out; + } + } + + if ((resp_info & SNS_LEN_VALID) && fcprsp->rspSnsLen) { + uint32_t snslen = be32_to_cpu(fcprsp->rspSnsLen); + if (snslen > SCSI_SENSE_BUFFERSIZE) + snslen = SCSI_SENSE_BUFFERSIZE; + + memcpy(cmnd->sense_buffer, &fcprsp->rspInfo0 + rsplen, snslen); + } + + cmnd->resid = 0; + if (resp_info & RESID_UNDER) { + cmnd->resid = be32_to_cpu(fcprsp->rspResId); + + lpfc_printf_log(phba, KERN_INFO, LOG_FCP, + "%d:0716 FCP Read Underrun, expected %d, " + "residual %d Data: x%x x%x x%x\n", phba->brd_no, + be32_to_cpu(fcpcmd->fcpDl), cmnd->resid, + fcpi_parm, cmnd->cmnd[0], cmnd->underflow); + + /* + * The cmnd->underflow is the minimum number of bytes that must + * be transfered for this command. Provided a sense condition + * is not present, make sure the actual amount transferred is at + * least the underflow value or fail. + */ + if (!(resp_info & SNS_LEN_VALID) && + (scsi_status == SAM_STAT_GOOD) && + (cmnd->request_bufflen - cmnd->resid) < cmnd->underflow) { + lpfc_printf_log(phba, KERN_INFO, LOG_FCP, + "%d:0717 FCP command x%x residual " + "underrun converted to error " + "Data: x%x x%x x%x\n", phba->brd_no, + cmnd->cmnd[0], cmnd->request_bufflen, + cmnd->resid, cmnd->underflow); + + host_status = DID_ERROR; + } + } else if (resp_info & RESID_OVER) { + lpfc_printf_log(phba, KERN_WARNING, LOG_FCP, + "%d:0720 FCP command x%x residual " + "overrun error. Data: x%x x%x \n", + phba->brd_no, cmnd->cmnd[0], + cmnd->request_bufflen, cmnd->resid); + host_status = DID_ERROR; + + /* + * Check SLI validation that all the transfer was actually done + * (fcpi_parm should be zero). Apply check only to reads. + */ + } else if ((scsi_status == SAM_STAT_GOOD) && fcpi_parm && + (cmnd->sc_data_direction == DMA_FROM_DEVICE)) { + lpfc_printf_log(phba, KERN_WARNING, LOG_FCP, + "%d:0734 FCP Read Check Error Data: " + "x%x x%x x%x x%x\n", phba->brd_no, + be32_to_cpu(fcpcmd->fcpDl), + be32_to_cpu(fcprsp->rspResId), + fcpi_parm, cmnd->cmnd[0]); + host_status = DID_ERROR; + cmnd->resid = cmnd->request_bufflen; + } + + out: + cmnd->result = ScsiResult(host_status, scsi_status); +} + +static void +lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, + struct lpfc_iocbq *pIocbOut) +{ + struct lpfc_scsi_buf *lpfc_cmd = + (struct lpfc_scsi_buf *) pIocbIn->context1; + struct lpfc_rport_data *rdata = lpfc_cmd->rdata; + struct lpfc_nodelist *pnode = rdata->pnode; + struct scsi_cmnd *cmd = lpfc_cmd->pCmd; + unsigned long iflag; + + lpfc_cmd->result = pIocbOut->iocb.un.ulpWord[4]; + lpfc_cmd->status = pIocbOut->iocb.ulpStatus; + + if (lpfc_cmd->status) { + if (lpfc_cmd->status == IOSTAT_LOCAL_REJECT && + (lpfc_cmd->result & IOERR_DRVR_MASK)) + lpfc_cmd->status = IOSTAT_DRIVER_REJECT; + else if (lpfc_cmd->status >= IOSTAT_CNT) + lpfc_cmd->status = IOSTAT_DEFAULT; + + lpfc_printf_log(phba, KERN_WARNING, LOG_FCP, + "%d:0729 FCP cmd x%x failed <%d/%d> status: " + "x%x result: x%x Data: x%x x%x\n", + phba->brd_no, cmd->cmnd[0], cmd->device->id, + cmd->device->lun, lpfc_cmd->status, + lpfc_cmd->result, pIocbOut->iocb.ulpContext, + lpfc_cmd->cur_iocbq.iocb.ulpIoTag); + + switch (lpfc_cmd->status) { + case IOSTAT_FCP_RSP_ERROR: + /* Call FCP RSP handler to determine result */ + lpfc_handle_fcp_err(lpfc_cmd); + break; + case IOSTAT_NPORT_BSY: + case IOSTAT_FABRIC_BSY: + cmd->result = ScsiResult(DID_BUS_BUSY, 0); + break; + default: + cmd->result = ScsiResult(DID_ERROR, 0); + break; + } + + if (pnode) { + if (pnode->nlp_state != NLP_STE_MAPPED_NODE) + cmd->result = ScsiResult(DID_BUS_BUSY, + SAM_STAT_BUSY); + } + else { + cmd->result = ScsiResult(DID_NO_CONNECT, 0); + } + } else { + cmd->result = ScsiResult(DID_OK, 0); + } + + if (cmd->result || lpfc_cmd->fcp_rsp->rspSnsLen) { + uint32_t *lp = (uint32_t *)cmd->sense_buffer; + + lpfc_printf_log(phba, KERN_INFO, LOG_FCP, + "%d:0710 Iodone <%d/%d> cmd %p, error x%x " + "SNS x%x x%x Data: x%x x%x\n", + phba->brd_no, cmd->device->id, + cmd->device->lun, cmd, cmd->result, + *lp, *(lp + 3), cmd->retries, cmd->resid); + } + + spin_lock_irqsave(phba->host->host_lock, iflag); + lpfc_free_scsi_buf(lpfc_cmd); + cmd->host_scribble = NULL; + spin_unlock_irqrestore(phba->host->host_lock, iflag); + + cmd->scsi_done(cmd); +} + +static void +lpfc_scsi_prep_cmnd(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd, + struct lpfc_nodelist *pnode) +{ + struct scsi_cmnd *scsi_cmnd = lpfc_cmd->pCmd; + struct fcp_cmnd *fcp_cmnd = lpfc_cmd->fcp_cmnd; + IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb; + struct lpfc_iocbq *piocbq = &(lpfc_cmd->cur_iocbq); + int datadir = scsi_cmnd->sc_data_direction; + + lpfc_cmd->fcp_rsp->rspSnsLen = 0; + + lpfc_put_lun(lpfc_cmd->fcp_cmnd, lpfc_cmd->pCmd->device->lun); + + memcpy(&fcp_cmnd->fcpCdb[0], scsi_cmnd->cmnd, 16); + + if (scsi_cmnd->device->tagged_supported) { + switch (scsi_cmnd->tag) { + case HEAD_OF_QUEUE_TAG: + fcp_cmnd->fcpCntl1 = HEAD_OF_Q; + break; + case ORDERED_QUEUE_TAG: + fcp_cmnd->fcpCntl1 = ORDERED_Q; + break; + default: + fcp_cmnd->fcpCntl1 = SIMPLE_Q; + break; + } + } else + fcp_cmnd->fcpCntl1 = 0; + + /* + * There are three possibilities here - use scatter-gather segment, use + * the single mapping, or neither. Start the lpfc command prep by + * bumping the bpl beyond the fcp_cmnd and fcp_rsp regions to the first + * data bde entry. + */ + if (scsi_cmnd->use_sg) { + if (datadir == DMA_TO_DEVICE) { + iocb_cmd->ulpCommand = CMD_FCP_IWRITE64_CR; + iocb_cmd->un.fcpi.fcpi_parm = 0; + iocb_cmd->ulpPU = 0; + fcp_cmnd->fcpCntl3 = WRITE_DATA; + phba->fc4OutputRequests++; + } else { + iocb_cmd->ulpCommand = CMD_FCP_IREAD64_CR; + iocb_cmd->ulpPU = PARM_READ_CHECK; + iocb_cmd->un.fcpi.fcpi_parm = + scsi_cmnd->request_bufflen; + fcp_cmnd->fcpCntl3 = READ_DATA; + phba->fc4InputRequests++; + } + } else if (scsi_cmnd->request_buffer && scsi_cmnd->request_bufflen) { + if (datadir == DMA_TO_DEVICE) { + iocb_cmd->ulpCommand = CMD_FCP_IWRITE64_CR; + iocb_cmd->un.fcpi.fcpi_parm = 0; + iocb_cmd->ulpPU = 0; + fcp_cmnd->fcpCntl3 = WRITE_DATA; + phba->fc4OutputRequests++; + } else { + iocb_cmd->ulpCommand = CMD_FCP_IREAD64_CR; + iocb_cmd->ulpPU = PARM_READ_CHECK; + iocb_cmd->un.fcpi.fcpi_parm = + scsi_cmnd->request_bufflen; + fcp_cmnd->fcpCntl3 = READ_DATA; + phba->fc4InputRequests++; + } + } else { + iocb_cmd->ulpCommand = CMD_FCP_ICMND64_CR; + iocb_cmd->un.fcpi.fcpi_parm = 0; + iocb_cmd->ulpPU = 0; + fcp_cmnd->fcpCntl3 = 0; + phba->fc4ControlRequests++; + } + + /* + * Finish initializing those IOCB fields that are independent + * of the scsi_cmnd request_buffer + */ + piocbq->iocb.ulpContext = pnode->nlp_rpi; + if (pnode->nlp_fcp_info & NLP_FCP_2_DEVICE) + piocbq->iocb.ulpFCP2Rcvy = 1; + + piocbq->iocb.ulpClass = (pnode->nlp_fcp_info & 0x0f); + piocbq->context1 = lpfc_cmd; + piocbq->iocb_cmpl = lpfc_scsi_cmd_iocb_cmpl; + piocbq->iocb.ulpTimeout = lpfc_cmd->timeout; +} + +static int +lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba, + struct lpfc_scsi_buf *lpfc_cmd, + uint8_t task_mgmt_cmd) +{ + struct lpfc_sli *psli; + struct lpfc_iocbq *piocbq; + IOCB_t *piocb; + struct fcp_cmnd *fcp_cmnd; + struct scsi_device *scsi_dev = lpfc_cmd->pCmd->device; + struct lpfc_rport_data *rdata = scsi_dev->hostdata; + struct lpfc_nodelist *ndlp = rdata->pnode; + + if ((ndlp == 0) || (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { + return 0; + } + + psli = &phba->sli; + piocbq = &(lpfc_cmd->cur_iocbq); + piocb = &piocbq->iocb; + + fcp_cmnd = lpfc_cmd->fcp_cmnd; + lpfc_put_lun(lpfc_cmd->fcp_cmnd, lpfc_cmd->pCmd->device->lun); + fcp_cmnd->fcpCntl2 = task_mgmt_cmd; + + piocb->ulpCommand = CMD_FCP_ICMND64_CR; + + piocb->ulpContext = ndlp->nlp_rpi; + if (ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) { + piocb->ulpFCP2Rcvy = 1; + } + piocb->ulpClass = (ndlp->nlp_fcp_info & 0x0f); + + /* ulpTimeout is only one byte */ + if (lpfc_cmd->timeout > 0xff) { + /* + * Do not timeout the command at the firmware level. + * The driver will provide the timeout mechanism. + */ + piocb->ulpTimeout = 0; + } else { + piocb->ulpTimeout = lpfc_cmd->timeout; + } + + lpfc_cmd->rdata = rdata; + + switch (task_mgmt_cmd) { + case FCP_LUN_RESET: + /* Issue LUN Reset to TGT LUN */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_FCP, + "%d:0703 Issue LUN Reset to TGT %d LUN %d " + "Data: x%x x%x\n", + phba->brd_no, + scsi_dev->id, scsi_dev->lun, + ndlp->nlp_rpi, ndlp->nlp_flag); + + break; + case FCP_ABORT_TASK_SET: + /* Issue Abort Task Set to TGT LUN */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_FCP, + "%d:0701 Issue Abort Task Set to TGT %d LUN %d " + "Data: x%x x%x\n", + phba->brd_no, + scsi_dev->id, scsi_dev->lun, + ndlp->nlp_rpi, ndlp->nlp_flag); + + break; + case FCP_TARGET_RESET: + /* Issue Target Reset to TGT */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_FCP, + "%d:0702 Issue Target Reset to TGT %d " + "Data: x%x x%x\n", + phba->brd_no, + scsi_dev->id, ndlp->nlp_rpi, + ndlp->nlp_flag); + break; + } + + return (1); +} + +static int +lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba) +{ + struct lpfc_iocbq *iocbq; + struct lpfc_iocbq *iocbqrsp = NULL; + struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; + int ret; + + ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, FCP_TARGET_RESET); + if (!ret) + return FAILED; + + lpfc_cmd->scsi_hba = phba; + iocbq = &lpfc_cmd->cur_iocbq; + list_remove_head(lpfc_iocb_list, iocbqrsp, struct lpfc_iocbq, list); + if (!iocbqrsp) + return FAILED; + memset(iocbqrsp, 0, sizeof (struct lpfc_iocbq)); + + iocbq->iocb_flag |= LPFC_IO_POLL; + ret = lpfc_sli_issue_iocb_wait_high_priority(phba, + &phba->sli.ring[phba->sli.fcp_ring], + iocbq, SLI_IOCB_HIGH_PRIORITY, + iocbqrsp, + lpfc_cmd->timeout); + if (ret != IOCB_SUCCESS) { + lpfc_cmd->status = IOSTAT_DRIVER_REJECT; + ret = FAILED; + } else { + ret = SUCCESS; + lpfc_cmd->result = iocbqrsp->iocb.un.ulpWord[4]; + lpfc_cmd->status = iocbqrsp->iocb.ulpStatus; + if (lpfc_cmd->status == IOSTAT_LOCAL_REJECT && + (lpfc_cmd->result & IOERR_DRVR_MASK)) + lpfc_cmd->status = IOSTAT_DRIVER_REJECT; + } + + /* + * All outstanding txcmplq I/Os should have been aborted by the target. + * Unfortunately, some targets do not abide by this forcing the driver + * to double check. + */ + lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], + lpfc_cmd->pCmd->device->id, + lpfc_cmd->pCmd->device->lun, 0, LPFC_CTX_TGT); + + /* Return response IOCB to free list. */ + list_add_tail(&iocbqrsp->list, lpfc_iocb_list); + return ret; +} + +static void +lpfc_scsi_cmd_iocb_cleanup (struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, + struct lpfc_iocbq *pIocbOut) +{ + unsigned long iflag; + struct lpfc_scsi_buf *lpfc_cmd = + (struct lpfc_scsi_buf *) pIocbIn->context1; + + spin_lock_irqsave(phba->host->host_lock, iflag); + lpfc_free_scsi_buf(lpfc_cmd); + spin_unlock_irqrestore(phba->host->host_lock, iflag); +} + +static void +lpfc_scsi_cmd_iocb_cmpl_aborted(struct lpfc_hba *phba, + struct lpfc_iocbq *pIocbIn, + struct lpfc_iocbq *pIocbOut) +{ + struct scsi_cmnd *ml_cmd = + ((struct lpfc_scsi_buf *) pIocbIn->context1)->pCmd; + + lpfc_scsi_cmd_iocb_cleanup (phba, pIocbIn, pIocbOut); + ml_cmd->host_scribble = NULL; +} + +const char * +lpfc_info(struct Scsi_Host *host) +{ + struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata[0]; + int len; + static char lpfcinfobuf[384]; + + memset(lpfcinfobuf,0,384); + if (phba && phba->pcidev){ + strncpy(lpfcinfobuf, phba->ModelDesc, 256); + len = strlen(lpfcinfobuf); + snprintf(lpfcinfobuf + len, + 384-len, + " on PCI bus %02x device %02x irq %d", + phba->pcidev->bus->number, + phba->pcidev->devfn, + phba->pcidev->irq); + len = strlen(lpfcinfobuf); + if (phba->Port[0]) { + snprintf(lpfcinfobuf + len, + 384-len, + " port %s", + phba->Port); + } + } + return lpfcinfobuf; +} + +static int +lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) +{ + struct lpfc_hba *phba = + (struct lpfc_hba *) cmnd->device->host->hostdata[0]; + struct lpfc_sli *psli = &phba->sli; + struct lpfc_rport_data *rdata = cmnd->device->hostdata; + struct lpfc_nodelist *ndlp = rdata->pnode; + struct lpfc_scsi_buf *lpfc_cmd = NULL; + struct list_head *scsi_buf_list = &phba->lpfc_scsi_buf_list; + int err = 0; + + /* + * The target pointer is guaranteed not to be NULL because the driver + * only clears the device->hostdata field in lpfc_slave_destroy. This + * approach guarantees no further IO calls on this target. + */ + if (!ndlp) { + cmnd->result = ScsiResult(DID_NO_CONNECT, 0); + goto out_fail_command; + } + + /* + * A Fibre Channel target is present and functioning only when the node + * state is MAPPED. Any other state is a failure. + */ + if (ndlp->nlp_state != NLP_STE_MAPPED_NODE) { + if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) || + (ndlp->nlp_state == NLP_STE_UNUSED_NODE)) { + cmnd->result = ScsiResult(DID_NO_CONNECT, 0); + goto out_fail_command; + } + /* + * The device is most likely recovered and the driver + * needs a bit more time to finish. Ask the midlayer + * to retry. + */ + goto out_host_busy; + } + + list_remove_head(scsi_buf_list, lpfc_cmd, struct lpfc_scsi_buf, list); + if (lpfc_cmd == NULL) { + printk(KERN_WARNING "%s: No buffer available - list empty, " + "total count %d\n", __FUNCTION__, phba->total_scsi_bufs); + goto out_host_busy; + } + + /* + * Store the midlayer's command structure for the completion phase + * and complete the command initialization. + */ + lpfc_cmd->pCmd = cmnd; + lpfc_cmd->rdata = rdata; + lpfc_cmd->timeout = 0; + cmnd->host_scribble = (unsigned char *)lpfc_cmd; + cmnd->scsi_done = done; + + err = lpfc_scsi_prep_dma_buf(phba, lpfc_cmd); + if (err) + goto out_host_busy_free_buf; + + lpfc_scsi_prep_cmnd(phba, lpfc_cmd, ndlp); + + err = lpfc_sli_issue_iocb(phba, &phba->sli.ring[psli->fcp_ring], + &lpfc_cmd->cur_iocbq, SLI_IOCB_RET_IOCB); + if (err) + goto out_host_busy_free_buf; + return 0; + + out_host_busy_free_buf: + lpfc_free_scsi_buf(lpfc_cmd); + cmnd->host_scribble = NULL; + out_host_busy: + return SCSI_MLQUEUE_HOST_BUSY; + + out_fail_command: + done(cmnd); + return 0; +} + +static int +lpfc_abort_handler(struct scsi_cmnd *cmnd) +{ + struct lpfc_hba *phba = + (struct lpfc_hba *)cmnd->device->host->hostdata[0]; + struct lpfc_sli_ring *pring = &phba->sli.ring[phba->sli.fcp_ring]; + struct lpfc_iocbq *iocb, *next_iocb; + struct lpfc_iocbq *abtsiocb = NULL; + struct lpfc_scsi_buf *lpfc_cmd; + struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; + IOCB_t *cmd, *icmd; + unsigned long snum; + unsigned int id, lun; + unsigned int loop_count = 0; + int ret = IOCB_SUCCESS; + + /* + * If the host_scribble data area is NULL, then the driver has already + * completed this command, but the midlayer did not see the completion + * before the eh fired. Just return SUCCESS. + */ + lpfc_cmd = (struct lpfc_scsi_buf *)cmnd->host_scribble; + if (!lpfc_cmd) + return SUCCESS; + + /* save these now since lpfc_cmd can be freed */ + id = lpfc_cmd->pCmd->device->id; + lun = lpfc_cmd->pCmd->device->lun; + snum = lpfc_cmd->pCmd->serial_number; + + list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { + cmd = &iocb->iocb; + if (iocb->context1 != lpfc_cmd) + continue; + + list_del_init(&iocb->list); + pring->txq_cnt--; + if (!iocb->iocb_cmpl) { + list_add_tail(&iocb->list, lpfc_iocb_list); + } + else { + cmd->ulpStatus = IOSTAT_LOCAL_REJECT; + cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + lpfc_scsi_cmd_iocb_cmpl_aborted(phba, iocb, iocb); + } + + goto out; + } + + list_remove_head(lpfc_iocb_list, abtsiocb, struct lpfc_iocbq, list); + if (abtsiocb == NULL) + return FAILED; + + memset(abtsiocb, 0, sizeof (struct lpfc_iocbq)); + + /* + * The scsi command was not in the txq. Check the txcmplq and if it is + * found, send an abort to the FW. + */ + list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { + if (iocb->context1 != lpfc_cmd) + continue; + + iocb->iocb_cmpl = lpfc_scsi_cmd_iocb_cmpl_aborted; + cmd = &iocb->iocb; + icmd = &abtsiocb->iocb; + icmd->un.acxri.abortType = ABORT_TYPE_ABTS; + icmd->un.acxri.abortContextTag = cmd->ulpContext; + icmd->un.acxri.abortIoTag = cmd->ulpIoTag; + + icmd->ulpLe = 1; + icmd->ulpClass = cmd->ulpClass; + if (phba->hba_state >= LPFC_LINK_UP) + icmd->ulpCommand = CMD_ABORT_XRI_CN; + else + icmd->ulpCommand = CMD_CLOSE_XRI_CN; + + if (lpfc_sli_issue_iocb(phba, pring, abtsiocb, 0) == + IOCB_ERROR) { + list_add_tail(&abtsiocb->list, lpfc_iocb_list); + ret = IOCB_ERROR; + break; + } + + /* Wait for abort to complete */ + while (cmnd->host_scribble) + { + spin_unlock_irq(phba->host->host_lock); + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(LPFC_ABORT_WAIT*HZ); + spin_lock_irq(phba->host->host_lock); + if (++loop_count + > (2 * phba->cfg_nodev_tmo)/LPFC_ABORT_WAIT) + break; + } + + if(cmnd->host_scribble) { + lpfc_printf_log(phba, KERN_ERR, LOG_FCP, + "%d:0748 abort handler timed " + "out waiting for abort to " + "complete. Data: " + "x%x x%x x%x x%lx\n", + phba->brd_no, ret, id, lun, snum); + cmnd->host_scribble = NULL; + iocb->iocb_cmpl = lpfc_scsi_cmd_iocb_cleanup; + ret = IOCB_ERROR; + } + + break; + } + + out: + lpfc_printf_log(phba, KERN_WARNING, LOG_FCP, + "%d:0749 SCSI layer issued abort device " + "Data: x%x x%x x%x x%lx\n", + phba->brd_no, ret, id, lun, snum); + + return ret == IOCB_SUCCESS ? SUCCESS : FAILED; +} + +static int +lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) +{ + struct Scsi_Host *shost = cmnd->device->host; + struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0]; + struct lpfc_sli *psli = &phba->sli; + struct lpfc_scsi_buf *lpfc_cmd = NULL; + struct list_head *scsi_buf_list = &phba->lpfc_scsi_buf_list; + struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; + struct lpfc_iocbq *iocbq, *iocbqrsp = NULL; + struct lpfc_rport_data *rdata = cmnd->device->hostdata; + struct lpfc_nodelist *pnode = rdata->pnode; + int ret = FAILED; + int cnt, loopcnt; + + /* + * If target is not in a MAPPED state, delay the reset until + * target is rediscovered or nodev timeout expires. + */ + while ( 1 ) { + if (!pnode) + break; + + if (pnode->nlp_state != NLP_STE_MAPPED_NODE) { + spin_unlock_irq(phba->host->host_lock); + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout( HZ/2); + spin_lock_irq(phba->host->host_lock); + } + if ((pnode) && (pnode->nlp_state == NLP_STE_MAPPED_NODE)) + break; + } + + list_remove_head(scsi_buf_list, lpfc_cmd, struct lpfc_scsi_buf, list); + if (lpfc_cmd == NULL) + goto out; + + lpfc_cmd->pCmd = cmnd; + lpfc_cmd->timeout = 60; + lpfc_cmd->scsi_hba = phba; + + ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, FCP_LUN_RESET); + if (!ret) + goto out_free_scsi_buf; + + iocbq = &lpfc_cmd->cur_iocbq; + + /* get a buffer for this IOCB command response */ + list_remove_head(lpfc_iocb_list, iocbqrsp, struct lpfc_iocbq, list); + if (iocbqrsp == NULL) + goto out_free_scsi_buf; + + memset(iocbqrsp, 0, sizeof (struct lpfc_iocbq)); + + iocbq->iocb_flag |= LPFC_IO_POLL; + iocbq->iocb_cmpl = lpfc_sli_wake_iocb_high_priority; + + ret = lpfc_sli_issue_iocb_wait_high_priority(phba, + &phba->sli.ring[psli->fcp_ring], + iocbq, 0, iocbqrsp, 60); + if (ret == IOCB_SUCCESS) + ret = SUCCESS; + + lpfc_cmd->result = iocbqrsp->iocb.un.ulpWord[4]; + lpfc_cmd->status = iocbqrsp->iocb.ulpStatus; + if (lpfc_cmd->status == IOSTAT_LOCAL_REJECT) + if (lpfc_cmd->result & IOERR_DRVR_MASK) + lpfc_cmd->status = IOSTAT_DRIVER_REJECT; + + /* + * All outstanding txcmplq I/Os should have been aborted by the target. + * Unfortunately, some targets do not abide by this forcing the driver + * to double check. + */ + lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], + cmnd->device->id, cmnd->device->lun, 0, + LPFC_CTX_LUN); + + loopcnt = 0; + while((cnt = lpfc_sli_sum_iocb(phba, + &phba->sli.ring[phba->sli.fcp_ring], + cmnd->device->id, cmnd->device->lun, + LPFC_CTX_LUN))) { + spin_unlock_irq(phba->host->host_lock); + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(LPFC_RESET_WAIT*HZ); + spin_lock_irq(phba->host->host_lock); + + if (++loopcnt + > (2 * phba->cfg_nodev_tmo)/LPFC_RESET_WAIT) + break; + } + + if (cnt) { + lpfc_printf_log(phba, KERN_INFO, LOG_FCP, + "%d:0719 LUN Reset I/O flush failure: cnt x%x\n", + phba->brd_no, cnt); + } + + list_add_tail(&iocbqrsp->list, lpfc_iocb_list); + +out_free_scsi_buf: + lpfc_printf_log(phba, KERN_ERR, LOG_FCP, + "%d:0713 SCSI layer issued LUN reset (%d, %d) " + "Data: x%x x%x x%x\n", + phba->brd_no, lpfc_cmd->pCmd->device->id, + lpfc_cmd->pCmd->device->lun, ret, lpfc_cmd->status, + lpfc_cmd->result); + lpfc_free_scsi_buf(lpfc_cmd); +out: + return ret; +} + +/* + * Note: midlayer calls this function with the host_lock held + */ +static int +lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) +{ + struct Scsi_Host *shost = cmnd->device->host; + struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0]; + struct lpfc_nodelist *ndlp = NULL; + int match; + int ret = FAILED, i, err_count = 0; + int cnt, loopcnt; + unsigned int midlayer_id = 0; + struct lpfc_scsi_buf * lpfc_cmd = NULL; + struct list_head *scsi_buf_list = &phba->lpfc_scsi_buf_list; + + list_remove_head(scsi_buf_list, lpfc_cmd, struct lpfc_scsi_buf, list); + if (lpfc_cmd == NULL) + goto out; + + /* The lpfc_cmd storage is reused. Set all loop invariants. */ + lpfc_cmd->timeout = 60; + lpfc_cmd->pCmd = cmnd; + lpfc_cmd->scsi_hba = phba; + + /* + * Since the driver manages a single bus device, reset all + * targets known to the driver. Should any target reset + * fail, this routine returns failure to the midlayer. + */ + midlayer_id = cmnd->device->id; + for (i = 0; i < MAX_FCP_TARGET; i++) { + /* Search the mapped list for this target ID */ + match = 0; + list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { + if ((i == ndlp->nlp_sid) && ndlp->rport) { + match = 1; + break; + } + } + if (!match) + continue; + + lpfc_cmd->pCmd->device->id = i; + lpfc_cmd->pCmd->device->hostdata = ndlp->rport->dd_data; + ret = lpfc_scsi_tgt_reset(lpfc_cmd, phba); + if (ret != SUCCESS) { + lpfc_printf_log(phba, KERN_INFO, LOG_FCP, + "%d:0713 Bus Reset on target %d failed\n", + phba->brd_no, i); + err_count++; + } + } + + cmnd->device->id = midlayer_id; + loopcnt = 0; + while((cnt = lpfc_sli_sum_iocb(phba, + &phba->sli.ring[phba->sli.fcp_ring], + 0, 0, LPFC_CTX_HOST))) { + spin_unlock_irq(phba->host->host_lock); + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(LPFC_RESET_WAIT*HZ); + spin_lock_irq(phba->host->host_lock); + + if (++loopcnt + > (2 * phba->cfg_nodev_tmo)/LPFC_RESET_WAIT) + break; + } + + if (cnt) { + /* flush all outstanding commands on the host */ + i = lpfc_sli_abort_iocb(phba, + &phba->sli.ring[phba->sli.fcp_ring], 0, 0, 0, + LPFC_CTX_HOST); + + lpfc_printf_log(phba, KERN_INFO, LOG_FCP, + "%d:0715 Bus Reset I/O flush failure: cnt x%x left x%x\n", + phba->brd_no, cnt, i); + } + + if (!err_count) + ret = SUCCESS; + + lpfc_free_scsi_buf(lpfc_cmd); + lpfc_printf_log(phba, + KERN_ERR, + LOG_FCP, + "%d:0714 SCSI layer issued Bus Reset Data: x%x\n", + phba->brd_no, ret); +out: + return ret; +} + +static int +lpfc_slave_alloc(struct scsi_device *sdev) +{ + struct lpfc_hba *phba = (struct lpfc_hba *)sdev->host->hostdata[0]; + struct lpfc_nodelist *ndlp = NULL; + int match = 0; + struct lpfc_scsi_buf *scsi_buf = NULL; + uint32_t total = 0, i; + uint32_t num_to_alloc = 0; + unsigned long flags; + struct list_head *listp; + struct list_head *node_list[6]; + + /* + * Store the target pointer in the scsi_device hostdata pointer provided + * the driver has already discovered the target id. + */ + + /* Search the nlp lists other than unmap_list for this target ID */ + node_list[0] = &phba->fc_npr_list; + node_list[1] = &phba->fc_nlpmap_list; + node_list[2] = &phba->fc_prli_list; + node_list[3] = &phba->fc_reglogin_list; + node_list[4] = &phba->fc_adisc_list; + node_list[5] = &phba->fc_plogi_list; + + for (i = 0; i < 6 && !match; i++) { + listp = node_list[i]; + if (list_empty(listp)) + continue; + list_for_each_entry(ndlp, listp, nlp_listp) { + if ((sdev->id == ndlp->nlp_sid) && ndlp->rport) { + match = 1; + break; + } + } + } + + if (!match) + return -ENXIO; + + sdev->hostdata = ndlp->rport->dd_data; + + /* + * Populate the cmds_per_lun count scsi_bufs into this host's globally + * available list of scsi buffers. Don't allocate more than the + * HBA limit conveyed to the midlayer via the host structure. Note + * that this list of scsi bufs exists for the lifetime of the driver. + */ + total = phba->total_scsi_bufs; + num_to_alloc = LPFC_CMD_PER_LUN; + if (total >= phba->cfg_hba_queue_depth) { + printk(KERN_WARNING "%s, At config limitation of " + "%d allocated scsi_bufs\n", __FUNCTION__, total); + return 0; + } else if (total + num_to_alloc > phba->cfg_hba_queue_depth) { + num_to_alloc = phba->cfg_hba_queue_depth - total; + } + + for (i = 0; i < num_to_alloc; i++) { + scsi_buf = lpfc_get_scsi_buf(phba); + if (!scsi_buf) { + printk(KERN_ERR "%s, failed to allocate " + "scsi_buf\n", __FUNCTION__); + break; + } + + spin_lock_irqsave(phba->host->host_lock, flags); + phba->total_scsi_bufs++; + list_add_tail(&scsi_buf->list, &phba->lpfc_scsi_buf_list); + spin_unlock_irqrestore(phba->host->host_lock, flags); + } + return 0; +} + +static int +lpfc_slave_configure(struct scsi_device *sdev) +{ + struct lpfc_hba *phba = (struct lpfc_hba *) sdev->host->hostdata[0]; + struct fc_rport *rport = starget_to_rport(sdev->sdev_target); + + if (sdev->tagged_supported) + scsi_activate_tcq(sdev, phba->cfg_lun_queue_depth); + else + scsi_deactivate_tcq(sdev, phba->cfg_lun_queue_depth); + + /* + * Initialize the fc transport attributes for the target + * containing this scsi device. Also note that the driver's + * target pointer is stored in the starget_data for the + * driver's sysfs entry point functions. + */ + rport->dev_loss_tmo = phba->cfg_nodev_tmo + 5; + + return 0; +} + +static void +lpfc_slave_destroy(struct scsi_device *sdev) +{ + sdev->hostdata = NULL; + return; +} + +struct scsi_host_template lpfc_template = { + .module = THIS_MODULE, + .name = LPFC_DRIVER_NAME, + .info = lpfc_info, + .queuecommand = lpfc_queuecommand, + .eh_abort_handler = lpfc_abort_handler, + .eh_device_reset_handler= lpfc_reset_lun_handler, + .eh_bus_reset_handler = lpfc_reset_bus_handler, + .slave_alloc = lpfc_slave_alloc, + .slave_configure = lpfc_slave_configure, + .slave_destroy = lpfc_slave_destroy, + .this_id = -1, + .sg_tablesize = LPFC_SG_SEG_CNT, + .cmd_per_lun = LPFC_CMD_PER_LUN, + .use_clustering = ENABLE_CLUSTERING, + .shost_attrs = lpfc_host_attrs, +}; diff --git a/drivers/scsi/lpfc/lpfc_scsi.h b/drivers/scsi/lpfc/lpfc_scsi.h new file mode 100644 index 000000000000..4aafba47628d --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_scsi.h @@ -0,0 +1,157 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_scsi.h 1.83 2005/04/07 08:47:43EDT sf_support Exp $ + */ + +struct lpfc_hba; + +#define list_remove_head(list, entry, type, member) \ + if (!list_empty(list)) { \ + entry = list_entry((list)->next, type, member); \ + list_del_init(&entry->member); \ + } + +#define list_get_first(list, type, member) \ + (list_empty(list)) ? NULL : \ + list_entry((list)->next, type, member) + +/* per-port data that is allocated in the FC transport for us */ +struct lpfc_rport_data { + struct lpfc_nodelist *pnode; /* Pointer to the node structure. */ +}; + +struct fcp_rsp { + uint32_t rspRsvd1; /* FC Word 0, byte 0:3 */ + uint32_t rspRsvd2; /* FC Word 1, byte 0:3 */ + + uint8_t rspStatus0; /* FCP_STATUS byte 0 (reserved) */ + uint8_t rspStatus1; /* FCP_STATUS byte 1 (reserved) */ + uint8_t rspStatus2; /* FCP_STATUS byte 2 field validity */ +#define RSP_LEN_VALID 0x01 /* bit 0 */ +#define SNS_LEN_VALID 0x02 /* bit 1 */ +#define RESID_OVER 0x04 /* bit 2 */ +#define RESID_UNDER 0x08 /* bit 3 */ + uint8_t rspStatus3; /* FCP_STATUS byte 3 SCSI status byte */ + + uint32_t rspResId; /* Residual xfer if residual count field set in + fcpStatus2 */ + /* Received in Big Endian format */ + uint32_t rspSnsLen; /* Length of sense data in fcpSnsInfo */ + /* Received in Big Endian format */ + uint32_t rspRspLen; /* Length of FCP response data in fcpRspInfo */ + /* Received in Big Endian format */ + + uint8_t rspInfo0; /* FCP_RSP_INFO byte 0 (reserved) */ + uint8_t rspInfo1; /* FCP_RSP_INFO byte 1 (reserved) */ + uint8_t rspInfo2; /* FCP_RSP_INFO byte 2 (reserved) */ + uint8_t rspInfo3; /* FCP_RSP_INFO RSP_CODE byte 3 */ + +#define RSP_NO_FAILURE 0x00 +#define RSP_DATA_BURST_ERR 0x01 +#define RSP_CMD_FIELD_ERR 0x02 +#define RSP_RO_MISMATCH_ERR 0x03 +#define RSP_TM_NOT_SUPPORTED 0x04 /* Task mgmt function not supported */ +#define RSP_TM_NOT_COMPLETED 0x05 /* Task mgmt function not performed */ + + uint32_t rspInfoRsvd; /* FCP_RSP_INFO bytes 4-7 (reserved) */ + + uint8_t rspSnsInfo[128]; +#define SNS_ILLEGAL_REQ 0x05 /* sense key is byte 3 ([2]) */ +#define SNSCOD_BADCMD 0x20 /* sense code is byte 13 ([12]) */ +}; + +struct fcp_cmnd { + uint32_t fcpLunMsl; /* most significant lun word (32 bits) */ + uint32_t fcpLunLsl; /* least significant lun word (32 bits) */ + /* # of bits to shift lun id to end up in right + * payload word, little endian = 8, big = 16. + */ +#if __BIG_ENDIAN +#define FC_LUN_SHIFT 16 +#define FC_ADDR_MODE_SHIFT 24 +#else /* __LITTLE_ENDIAN */ +#define FC_LUN_SHIFT 8 +#define FC_ADDR_MODE_SHIFT 0 +#endif + + uint8_t fcpCntl0; /* FCP_CNTL byte 0 (reserved) */ + uint8_t fcpCntl1; /* FCP_CNTL byte 1 task codes */ +#define SIMPLE_Q 0x00 +#define HEAD_OF_Q 0x01 +#define ORDERED_Q 0x02 +#define ACA_Q 0x04 +#define UNTAGGED 0x05 + uint8_t fcpCntl2; /* FCP_CTL byte 2 task management codes */ +#define FCP_ABORT_TASK_SET 0x02 /* Bit 1 */ +#define FCP_CLEAR_TASK_SET 0x04 /* bit 2 */ +#define FCP_BUS_RESET 0x08 /* bit 3 */ +#define FCP_LUN_RESET 0x10 /* bit 4 */ +#define FCP_TARGET_RESET 0x20 /* bit 5 */ +#define FCP_CLEAR_ACA 0x40 /* bit 6 */ +#define FCP_TERMINATE_TASK 0x80 /* bit 7 */ + uint8_t fcpCntl3; +#define WRITE_DATA 0x01 /* Bit 0 */ +#define READ_DATA 0x02 /* Bit 1 */ + + uint8_t fcpCdb[16]; /* SRB cdb field is copied here */ + uint32_t fcpDl; /* Total transfer length */ + +}; + +struct lpfc_scsi_buf { + struct list_head list; + struct scsi_cmnd *pCmd; + struct lpfc_hba *scsi_hba; + struct lpfc_rport_data *rdata; + + uint32_t timeout; + + uint16_t status; /* From IOCB Word 7- ulpStatus */ + uint32_t result; /* From IOCB Word 4. */ + + uint32_t seg_cnt; /* Number of scatter-gather segments returned by + * dma_map_sg. The driver needs this for calls + * to dma_unmap_sg. */ + dma_addr_t nonsg_phys; /* Non scatter-gather physical address. */ + + /* + * data and dma_handle are the kernel virutal and bus address of the + * dma-able buffer containing the fcp_cmd, fcp_rsp and a scatter + * gather bde list that supports the sg_tablesize value. + */ + void *data; + dma_addr_t dma_handle; + + struct fcp_cmnd *fcp_cmnd; + struct fcp_rsp *fcp_rsp; + struct ulp_bde64 *fcp_bpl; + + /* cur_iocbq has phys of the dma-able buffer. + * Iotag is in here + */ + struct lpfc_iocbq cur_iocbq; +}; + +#define LPFC_SCSI_DMA_EXT_SIZE 264 +#define LPFC_BPL_SIZE 1024 + +#define MDAC_DIRECT_CMD 0x22 diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c new file mode 100644 index 000000000000..8d14b28c80b9 --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -0,0 +1,2885 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_sli.c 1.232 2005/04/13 11:59:16EDT sf_support Exp $ + */ + +#include +#include +#include +#include + +#include +#include +#include + +#include "lpfc_hw.h" +#include "lpfc_sli.h" +#include "lpfc_disc.h" +#include "lpfc_scsi.h" +#include "lpfc.h" +#include "lpfc_crtn.h" +#include "lpfc_logmsg.h" +#include "lpfc_compat.h" + +/* + * Define macro to log: Mailbox command x%x cannot issue Data + * This allows multiple uses of lpfc_msgBlk0311 + * w/o perturbing log msg utility. + */ +#define LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) \ + lpfc_printf_log(phba, \ + KERN_INFO, \ + LOG_MBOX | LOG_SLI, \ + "%d:0311 Mailbox command x%x cannot issue " \ + "Data: x%x x%x x%x\n", \ + phba->brd_no, \ + mb->mbxCommand, \ + phba->hba_state, \ + psli->sli_flag, \ + flag); + + +/* There are only four IOCB completion types. */ +typedef enum _lpfc_iocb_type { + LPFC_UNKNOWN_IOCB, + LPFC_UNSOL_IOCB, + LPFC_SOL_IOCB, + LPFC_ABORT_IOCB +} lpfc_iocb_type; + +/* + * Translate the iocb command to an iocb command type used to decide the final + * disposition of each completed IOCB. + */ +static lpfc_iocb_type +lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) +{ + lpfc_iocb_type type = LPFC_UNKNOWN_IOCB; + + if (iocb_cmnd > CMD_MAX_IOCB_CMD) + return 0; + + switch (iocb_cmnd) { + case CMD_XMIT_SEQUENCE_CR: + case CMD_XMIT_SEQUENCE_CX: + case CMD_XMIT_BCAST_CN: + case CMD_XMIT_BCAST_CX: + case CMD_ELS_REQUEST_CR: + case CMD_ELS_REQUEST_CX: + case CMD_CREATE_XRI_CR: + case CMD_CREATE_XRI_CX: + case CMD_GET_RPI_CN: + case CMD_XMIT_ELS_RSP_CX: + case CMD_GET_RPI_CR: + case CMD_FCP_IWRITE_CR: + case CMD_FCP_IWRITE_CX: + case CMD_FCP_IREAD_CR: + case CMD_FCP_IREAD_CX: + case CMD_FCP_ICMND_CR: + case CMD_FCP_ICMND_CX: + case CMD_ADAPTER_MSG: + case CMD_ADAPTER_DUMP: + case CMD_XMIT_SEQUENCE64_CR: + case CMD_XMIT_SEQUENCE64_CX: + case CMD_XMIT_BCAST64_CN: + case CMD_XMIT_BCAST64_CX: + case CMD_ELS_REQUEST64_CR: + case CMD_ELS_REQUEST64_CX: + case CMD_FCP_IWRITE64_CR: + case CMD_FCP_IWRITE64_CX: + case CMD_FCP_IREAD64_CR: + case CMD_FCP_IREAD64_CX: + case CMD_FCP_ICMND64_CR: + case CMD_FCP_ICMND64_CX: + case CMD_GEN_REQUEST64_CR: + case CMD_GEN_REQUEST64_CX: + case CMD_XMIT_ELS_RSP64_CX: + type = LPFC_SOL_IOCB; + break; + case CMD_ABORT_XRI_CN: + case CMD_ABORT_XRI_CX: + case CMD_CLOSE_XRI_CN: + case CMD_CLOSE_XRI_CX: + case CMD_XRI_ABORTED_CX: + case CMD_ABORT_MXRI64_CN: + type = LPFC_ABORT_IOCB; + break; + case CMD_RCV_SEQUENCE_CX: + case CMD_RCV_ELS_REQ_CX: + case CMD_RCV_SEQUENCE64_CX: + case CMD_RCV_ELS_REQ64_CX: + type = LPFC_UNSOL_IOCB; + break; + default: + type = LPFC_UNKNOWN_IOCB; + break; + } + + return type; +} + +static int +lpfc_sli_ring_map(struct lpfc_hba * phba, LPFC_MBOXQ_t *pmb) +{ + struct lpfc_sli *psli = &phba->sli; + MAILBOX_t *pmbox = &pmb->mb; + int i, rc; + + for (i = 0; i < psli->num_rings; i++) { + phba->hba_state = LPFC_INIT_MBX_CMDS; + lpfc_config_ring(phba, i, pmb); + rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); + if (rc != MBX_SUCCESS) { + lpfc_printf_log(phba, + KERN_ERR, + LOG_INIT, + "%d:0446 Adapter failed to init, " + "mbxCmd x%x CFG_RING, mbxStatus x%x, " + "ring %d\n", + phba->brd_no, + pmbox->mbxCommand, + pmbox->mbxStatus, + i); + phba->hba_state = LPFC_HBA_ERROR; + return -ENXIO; + } + } + return 0; +} + +static int +lpfc_sli_ringtxcmpl_put(struct lpfc_hba * phba, + struct lpfc_sli_ring * pring, struct lpfc_iocbq * piocb) +{ + uint16_t iotag; + + list_add_tail(&piocb->list, &pring->txcmplq); + pring->txcmplq_cnt++; + if (unlikely(pring->ringno == LPFC_ELS_RING)) + mod_timer(&phba->els_tmofunc, + jiffies + HZ * (phba->fc_ratov << 1)); + + if (pring->fast_lookup) { + /* Setup fast lookup based on iotag for completion */ + iotag = piocb->iocb.ulpIoTag; + if (iotag && (iotag < pring->fast_iotag)) + *(pring->fast_lookup + iotag) = piocb; + else { + + /* Cmd ring put: iotag greater then + configured max wd0 */ + lpfc_printf_log(phba, + KERN_ERR, + LOG_SLI, + "%d:0316 Cmd ring %d put: iotag x%x " + "greater then configured max x%x " + "wd0 x%x\n", + phba->brd_no, + pring->ringno, iotag, + pring->fast_iotag, + *(((uint32_t *)(&piocb->iocb)) + 7)); + } + } + return (0); +} + +static struct lpfc_iocbq * +lpfc_sli_ringtx_get(struct lpfc_hba * phba, struct lpfc_sli_ring * pring) +{ + struct list_head *dlp; + struct lpfc_iocbq *cmd_iocb; + + dlp = &pring->txq; + cmd_iocb = NULL; + list_remove_head((&pring->txq), cmd_iocb, + struct lpfc_iocbq, + list); + if (cmd_iocb) { + /* If the first ptr is not equal to the list header, + * deque the IOCBQ_t and return it. + */ + pring->txq_cnt--; + } + return (cmd_iocb); +} + +static IOCB_t * +lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) +{ + MAILBOX_t *mbox = (MAILBOX_t *)phba->sli.MBhostaddr; + PGP *pgp = (PGP *)&mbox->us.s2.port[pring->ringno]; + uint32_t max_cmd_idx = pring->numCiocb; + IOCB_t *iocb = NULL; + + if ((pring->next_cmdidx == pring->cmdidx) && + (++pring->next_cmdidx >= max_cmd_idx)) + pring->next_cmdidx = 0; + + if (unlikely(pring->local_getidx == pring->next_cmdidx)) { + + pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); + + if (unlikely(pring->local_getidx >= max_cmd_idx)) { + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "%d:0315 Ring %d issue: portCmdGet %d " + "is bigger then cmd ring %d\n", + phba->brd_no, pring->ringno, + pring->local_getidx, max_cmd_idx); + + phba->hba_state = LPFC_HBA_ERROR; + /* + * All error attention handlers are posted to + * worker thread + */ + phba->work_ha |= HA_ERATT; + phba->work_hs = HS_FFER3; + if (phba->work_wait) + wake_up(phba->work_wait); + + return NULL; + } + + if (pring->local_getidx == pring->next_cmdidx) + return NULL; + } + + iocb = IOCB_ENTRY(pring->cmdringaddr, pring->cmdidx); + + return iocb; +} + +static uint32_t +lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_sli_ring * pring) +{ + uint32_t search_start; + + if (pring->fast_lookup == NULL) { + pring->iotag_ctr++; + if (pring->iotag_ctr >= pring->iotag_max) + pring->iotag_ctr = 1; + return pring->iotag_ctr; + } + + search_start = pring->iotag_ctr; + + do { + pring->iotag_ctr++; + if (pring->iotag_ctr >= pring->fast_iotag) + pring->iotag_ctr = 1; + + if (*(pring->fast_lookup + pring->iotag_ctr) == NULL) + return pring->iotag_ctr; + + } while (pring->iotag_ctr != search_start); + + /* + * Outstanding I/O count for ring is at max + */ + lpfc_printf_log(phba, + KERN_ERR, + LOG_SLI, + "%d:0318 Outstanding I/O count for ring %d is at max x%x\n", + phba->brd_no, + pring->ringno, + pring->fast_iotag); + return (0); +} + +static void +lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, + IOCB_t *iocb, struct lpfc_iocbq *nextiocb) +{ + /* + * Allocate and set up an iotag + */ + nextiocb->iocb.ulpIoTag = + lpfc_sli_next_iotag(phba, &phba->sli.ring[phba->sli.fcp_ring]); + + /* + * Issue iocb command to adapter + */ + lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, sizeof (IOCB_t)); + wmb(); + pring->stats.iocb_cmd++; + + /* + * If there is no completion routine to call, we can release the + * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF, + * that have no rsp ring completion, iocb_cmpl MUST be NULL. + */ + if (nextiocb->iocb_cmpl) + lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb); + else { + list_add_tail(&nextiocb->list, &phba->lpfc_iocb_list); + } + + /* + * Let the HBA know what IOCB slot will be the next one the + * driver will put a command into. + */ + pring->cmdidx = pring->next_cmdidx; + writeb(pring->cmdidx, phba->MBslimaddr + + (SLIMOFF + (pring->ringno * 2)) * 4); +} + +static void +lpfc_sli_update_full_ring(struct lpfc_hba * phba, + struct lpfc_sli_ring *pring) +{ + int ringno = pring->ringno; + + pring->flag |= LPFC_CALL_RING_AVAILABLE; + + wmb(); + + /* + * Set ring 'ringno' to SET R0CE_REQ in Chip Att register. + * The HBA will tell us when an IOCB entry is available. + */ + writel((CA_R0ATT|CA_R0CE_REQ) << (ringno*4), phba->CAregaddr); + readl(phba->CAregaddr); /* flush */ + + pring->stats.iocb_cmd_full++; +} + +static void +lpfc_sli_update_ring(struct lpfc_hba * phba, + struct lpfc_sli_ring *pring) +{ + int ringno = pring->ringno; + + /* + * Tell the HBA that there is work to do in this ring. + */ + wmb(); + writel(CA_R0ATT << (ringno * 4), phba->CAregaddr); + readl(phba->CAregaddr); /* flush */ +} + +static void +lpfc_sli_resume_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring) +{ + IOCB_t *iocb; + struct lpfc_iocbq *nextiocb; + + /* + * Check to see if: + * (a) there is anything on the txq to send + * (b) link is up + * (c) link attention events can be processed (fcp ring only) + * (d) IOCB processing is not blocked by the outstanding mbox command. + */ + if (pring->txq_cnt && + (phba->hba_state > LPFC_LINK_DOWN) && + (pring->ringno != phba->sli.fcp_ring || + phba->sli.sli_flag & LPFC_PROCESS_LA) && + !(pring->flag & LPFC_STOP_IOCB_MBX)) { + + while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && + (nextiocb = lpfc_sli_ringtx_get(phba, pring))) + lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); + + if (iocb) + lpfc_sli_update_ring(phba, pring); + else + lpfc_sli_update_full_ring(phba, pring); + } + + return; +} + +/* lpfc_sli_turn_on_ring is only called by lpfc_sli_handle_mb_event below */ +static void +lpfc_sli_turn_on_ring(struct lpfc_hba * phba, int ringno) +{ + PGP *pgp = + ((PGP *) & + (((MAILBOX_t *)phba->sli.MBhostaddr)->us.s2.port[ringno])); + + /* If the ring is active, flag it */ + if (phba->sli.ring[ringno].cmdringaddr) { + if (phba->sli.ring[ringno].flag & LPFC_STOP_IOCB_MBX) { + phba->sli.ring[ringno].flag &= ~LPFC_STOP_IOCB_MBX; + /* + * Force update of the local copy of cmdGetInx + */ + phba->sli.ring[ringno].local_getidx + = le32_to_cpu(pgp->cmdGetInx); + spin_lock_irq(phba->host->host_lock); + lpfc_sli_resume_iocb(phba, &phba->sli.ring[ringno]); + spin_unlock_irq(phba->host->host_lock); + } + } +} + +static int +lpfc_sli_chk_mbx_command(uint8_t mbxCommand) +{ + uint8_t ret; + + switch (mbxCommand) { + case MBX_LOAD_SM: + case MBX_READ_NV: + case MBX_WRITE_NV: + case MBX_RUN_BIU_DIAG: + case MBX_INIT_LINK: + case MBX_DOWN_LINK: + case MBX_CONFIG_LINK: + case MBX_CONFIG_RING: + case MBX_RESET_RING: + case MBX_READ_CONFIG: + case MBX_READ_RCONFIG: + case MBX_READ_SPARM: + case MBX_READ_STATUS: + case MBX_READ_RPI: + case MBX_READ_XRI: + case MBX_READ_REV: + case MBX_READ_LNK_STAT: + case MBX_REG_LOGIN: + case MBX_UNREG_LOGIN: + case MBX_READ_LA: + case MBX_CLEAR_LA: + case MBX_DUMP_MEMORY: + case MBX_DUMP_CONTEXT: + case MBX_RUN_DIAGS: + case MBX_RESTART: + case MBX_UPDATE_CFG: + case MBX_DOWN_LOAD: + case MBX_DEL_LD_ENTRY: + case MBX_RUN_PROGRAM: + case MBX_SET_MASK: + case MBX_SET_SLIM: + case MBX_UNREG_D_ID: + case MBX_CONFIG_FARP: + case MBX_LOAD_AREA: + case MBX_RUN_BIU_DIAG64: + case MBX_CONFIG_PORT: + case MBX_READ_SPARM64: + case MBX_READ_RPI64: + case MBX_REG_LOGIN64: + case MBX_READ_LA64: + case MBX_FLASH_WR_ULA: + case MBX_SET_DEBUG: + case MBX_LOAD_EXP_ROM: + ret = mbxCommand; + break; + default: + ret = MBX_SHUTDOWN; + break; + } + return (ret); +} +static void +lpfc_sli_wake_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) +{ + wait_queue_head_t *pdone_q; + + /* + * If pdone_q is empty, the driver thread gave up waiting and + * continued running. + */ + pdone_q = (wait_queue_head_t *) pmboxq->context1; + if (pdone_q) + wake_up_interruptible(pdone_q); + return; +} + +void +lpfc_sli_def_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +{ + struct lpfc_dmabuf *mp; + mp = (struct lpfc_dmabuf *) (pmb->context1); + if (mp) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + } + mempool_free( pmb, phba->mbox_mem_pool); + return; +} + +int +lpfc_sli_handle_mb_event(struct lpfc_hba * phba) +{ + MAILBOX_t *mbox; + MAILBOX_t *pmbox; + LPFC_MBOXQ_t *pmb; + struct lpfc_sli *psli; + int i, rc; + uint32_t process_next; + + psli = &phba->sli; + /* We should only get here if we are in SLI2 mode */ + if (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE)) { + return (1); + } + + phba->sli.slistat.mbox_event++; + + /* Get a Mailbox buffer to setup mailbox commands for callback */ + if ((pmb = phba->sli.mbox_active)) { + pmbox = &pmb->mb; + mbox = (MAILBOX_t *) phba->sli.MBhostaddr; + + /* First check out the status word */ + lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof (uint32_t)); + + /* Sanity check to ensure the host owns the mailbox */ + if (pmbox->mbxOwner != OWN_HOST) { + /* Lets try for a while */ + for (i = 0; i < 10240; i++) { + /* First copy command data */ + lpfc_sli_pcimem_bcopy(mbox, pmbox, + sizeof (uint32_t)); + if (pmbox->mbxOwner == OWN_HOST) + goto mbout; + } + /* Stray Mailbox Interrupt, mbxCommand mbxStatus + */ + lpfc_printf_log(phba, + KERN_ERR, + LOG_MBOX | LOG_SLI, + "%d:0304 Stray Mailbox Interrupt " + "mbxCommand x%x mbxStatus x%x\n", + phba->brd_no, + pmbox->mbxCommand, + pmbox->mbxStatus); + + spin_lock_irq(phba->host->host_lock); + phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE; + spin_unlock_irq(phba->host->host_lock); + return (1); + } + + mbout: + del_timer_sync(&phba->sli.mbox_tmo); + phba->work_hba_events &= ~WORKER_MBOX_TMO; + + /* + * It is a fatal error if unknown mbox command completion. + */ + if (lpfc_sli_chk_mbx_command(pmbox->mbxCommand) == + MBX_SHUTDOWN) { + + /* Unknow mailbox command compl */ + lpfc_printf_log(phba, + KERN_ERR, + LOG_MBOX | LOG_SLI, + "%d:0323 Unknown Mailbox command %x Cmpl\n", + phba->brd_no, + pmbox->mbxCommand); + phba->hba_state = LPFC_HBA_ERROR; + phba->work_hs = HS_FFER3; + lpfc_handle_eratt(phba); + return (0); + } + + phba->sli.mbox_active = NULL; + if (pmbox->mbxStatus) { + phba->sli.slistat.mbox_stat_err++; + if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) { + /* Mbox cmd cmpl error - RETRYing */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_MBOX | LOG_SLI, + "%d:0305 Mbox cmd cmpl error - " + "RETRYing Data: x%x x%x x%x x%x\n", + phba->brd_no, + pmbox->mbxCommand, + pmbox->mbxStatus, + pmbox->un.varWords[0], + phba->hba_state); + pmbox->mbxStatus = 0; + pmbox->mbxOwner = OWN_HOST; + spin_lock_irq(phba->host->host_lock); + phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; + spin_unlock_irq(phba->host->host_lock); + rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); + if (rc == MBX_SUCCESS) + return (0); + } + } + + /* Mailbox cmd Cmpl */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_MBOX | LOG_SLI, + "%d:0307 Mailbox cmd x%x Cmpl x%p " + "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x\n", + phba->brd_no, + pmbox->mbxCommand, + pmb->mbox_cmpl, + *((uint32_t *) pmbox), + pmbox->un.varWords[0], + pmbox->un.varWords[1], + pmbox->un.varWords[2], + pmbox->un.varWords[3], + pmbox->un.varWords[4], + pmbox->un.varWords[5], + pmbox->un.varWords[6], + pmbox->un.varWords[7]); + + if (pmb->mbox_cmpl) { + lpfc_sli_pcimem_bcopy(mbox, pmbox, MAILBOX_CMD_SIZE); + pmb->mbox_cmpl(phba,pmb); + } + } + + + do { + process_next = 0; /* by default don't loop */ + spin_lock_irq(phba->host->host_lock); + phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; + + /* Process next mailbox command if there is one */ + if ((pmb = lpfc_mbox_get(phba))) { + spin_unlock_irq(phba->host->host_lock); + rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) { + pmb->mb.mbxStatus = MBX_NOT_FINISHED; + pmb->mbox_cmpl(phba,pmb); + process_next = 1; + continue; /* loop back */ + } + } else { + spin_unlock_irq(phba->host->host_lock); + /* Turn on IOCB processing */ + for (i = 0; i < phba->sli.num_rings; i++) { + lpfc_sli_turn_on_ring(phba, i); + } + + /* Free any lpfc_dmabuf's waiting for mbox cmd cmpls */ + while (!list_empty(&phba->freebufList)) { + struct lpfc_dmabuf *mp; + + mp = NULL; + list_remove_head((&phba->freebufList), + mp, + struct lpfc_dmabuf, + list); + if (mp) { + lpfc_mbuf_free(phba, mp->virt, + mp->phys); + kfree(mp); + } + } + } + + } while (process_next); + + return (0); +} +static int +lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, + struct lpfc_iocbq *saveq) +{ + IOCB_t * irsp; + WORD5 * w5p; + uint32_t Rctl, Type; + uint32_t match, i; + + match = 0; + irsp = &(saveq->iocb); + if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) + || (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX)) { + Rctl = FC_ELS_REQ; + Type = FC_ELS_DATA; + } else { + w5p = + (WORD5 *) & (saveq->iocb.un. + ulpWord[5]); + Rctl = w5p->hcsw.Rctl; + Type = w5p->hcsw.Type; + + /* Firmware Workaround */ + if ((Rctl == 0) && (pring->ringno == LPFC_ELS_RING) && + (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX)) { + Rctl = FC_ELS_REQ; + Type = FC_ELS_DATA; + w5p->hcsw.Rctl = Rctl; + w5p->hcsw.Type = Type; + } + } + /* unSolicited Responses */ + if (pring->prt[0].profile) { + (pring->prt[0].lpfc_sli_rcv_unsol_event) (phba, pring, saveq); + match = 1; + } else { + /* We must search, based on rctl / type + for the right routine */ + for (i = 0; i < pring->num_mask; + i++) { + if ((pring->prt[i].rctl == + Rctl) + && (pring->prt[i]. + type == Type)) { + (pring->prt[i].lpfc_sli_rcv_unsol_event) + (phba, pring, saveq); + match = 1; + break; + } + } + } + if (match == 0) { + /* Unexpected Rctl / Type received */ + /* Ring handler: unexpected + Rctl Type received */ + lpfc_printf_log(phba, + KERN_WARNING, + LOG_SLI, + "%d:0313 Ring %d handler: unexpected Rctl x%x " + "Type x%x received \n", + phba->brd_no, + pring->ringno, + Rctl, + Type); + } + return(1); +} + +static struct lpfc_iocbq * +lpfc_sli_txcmpl_ring_search_slow(struct lpfc_sli_ring * pring, + struct lpfc_iocbq * prspiocb) +{ + IOCB_t *icmd = NULL; + IOCB_t *irsp = NULL; + struct lpfc_iocbq *cmd_iocb; + struct lpfc_iocbq *iocb, *next_iocb; + uint16_t iotag; + + irsp = &prspiocb->iocb; + iotag = irsp->ulpIoTag; + cmd_iocb = NULL; + + /* Search through txcmpl from the begining */ + list_for_each_entry_safe(iocb, next_iocb, &(pring->txcmplq), list) { + icmd = &iocb->iocb; + if (iotag == icmd->ulpIoTag) { + /* Found a match. */ + cmd_iocb = iocb; + list_del(&iocb->list); + pring->txcmplq_cnt--; + break; + } + } + + return (cmd_iocb); +} + +static struct lpfc_iocbq * +lpfc_sli_txcmpl_ring_iotag_lookup(struct lpfc_hba * phba, + struct lpfc_sli_ring * pring, + struct lpfc_iocbq * prspiocb) +{ + IOCB_t *irsp = NULL; + struct lpfc_iocbq *cmd_iocb = NULL; + uint16_t iotag; + + if (unlikely(pring->fast_lookup == NULL)) + return NULL; + + /* Use fast lookup based on iotag for completion */ + irsp = &prspiocb->iocb; + iotag = irsp->ulpIoTag; + if (iotag < pring->fast_iotag) { + cmd_iocb = *(pring->fast_lookup + iotag); + *(pring->fast_lookup + iotag) = NULL; + if (cmd_iocb) { + list_del(&cmd_iocb->list); + pring->txcmplq_cnt--; + return cmd_iocb; + } else { + /* + * This is clearly an error. A ring that uses iotags + * should never have a interrupt for a completion that + * is not on the ring. Return NULL and log a error. + */ + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "%d:0327 Rsp ring %d error - command " + "completion for iotag x%x not found\n", + phba->brd_no, pring->ringno, iotag); + return NULL; + } + } + + /* + * Rsp ring get: iotag greater then + * configured max wd0 . This is an + * error. Just return NULL. + */ + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "%d:0317 Rsp ring %d get: iotag x%x greater then " + "configured max x%x wd0 x%x\n", + phba->brd_no, pring->ringno, iotag, pring->fast_iotag, + *(((uint32_t *) irsp) + 7)); + return NULL; +} + +static int +lpfc_sli_process_sol_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, + struct lpfc_iocbq *saveq) +{ + struct lpfc_iocbq * cmdiocbp; + int rc = 1; + unsigned long iflag; + + /* Based on the iotag field, get the cmd IOCB from the txcmplq */ + spin_lock_irqsave(phba->host->host_lock, iflag); + cmdiocbp = lpfc_sli_txcmpl_ring_search_slow(pring, saveq); + if (cmdiocbp) { + if (cmdiocbp->iocb_cmpl) { + /* + * Post all ELS completions to the worker thread. + * All other are passed to the completion callback. + */ + if (pring->ringno == LPFC_ELS_RING) { + spin_unlock_irqrestore(phba->host->host_lock, + iflag); + (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); + spin_lock_irqsave(phba->host->host_lock, iflag); + } + else { + if (cmdiocbp->iocb_flag & LPFC_IO_POLL) + rc = 0; + + spin_unlock_irqrestore(phba->host->host_lock, + iflag); + (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); + spin_lock_irqsave(phba->host->host_lock, iflag); + } + } else { + list_add_tail(&cmdiocbp->list, &phba->lpfc_iocb_list); + } + } else { + /* + * Unknown initiating command based on the response iotag. + * This could be the case on the ELS ring because of + * lpfc_els_abort(). + */ + if (pring->ringno != LPFC_ELS_RING) { + /* + * Ring handler: unexpected completion IoTag + * + */ + lpfc_printf_log(phba, + KERN_WARNING, + LOG_SLI, + "%d:0322 Ring %d handler: unexpected " + "completion IoTag x%x Data: x%x x%x x%x x%x\n", + phba->brd_no, + pring->ringno, + saveq->iocb.ulpIoTag, + saveq->iocb.ulpStatus, + saveq->iocb.un.ulpWord[4], + saveq->iocb.ulpCommand, + saveq->iocb.ulpContext); + } + } + spin_unlock_irqrestore(phba->host->host_lock, iflag); + return rc; +} + +/* + * This routine presumes LPFC_FCP_RING handling and doesn't bother + * to check it explicitly. + */ +static int +lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba, + struct lpfc_sli_ring * pring, uint32_t mask) +{ + IOCB_t *irsp = NULL; + struct lpfc_iocbq *cmdiocbq = NULL; + struct lpfc_iocbq rspiocbq; + PGP *pgp; + uint32_t status; + uint32_t portRspPut, portRspMax; + int rc = 1; + lpfc_iocb_type type; + unsigned long iflag; + uint32_t rsp_cmpl = 0; + void __iomem *to_slim; + + spin_lock_irqsave(phba->host->host_lock, iflag); + pring->stats.iocb_event++; + + /* The driver assumes SLI-2 mode */ + pgp = (PGP *) &((MAILBOX_t *) phba->sli.MBhostaddr) + ->us.s2.port[pring->ringno]; + + /* + * The next available response entry should never exceed the maximum + * entries. If it does, treat it as an adapter hardware error. + */ + portRspMax = pring->numRiocb; + portRspPut = le32_to_cpu(pgp->rspPutInx); + if (unlikely(portRspPut >= portRspMax)) { + /* + * Ring handler: portRspPut is bigger then + * rsp ring + */ + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "%d:0312 Ring %d handler: portRspPut %d " + "is bigger then rsp ring %d\n", + phba->brd_no, pring->ringno, portRspPut, + portRspMax); + + phba->hba_state = LPFC_HBA_ERROR; + + /* All error attention handlers are posted to worker thread */ + phba->work_ha |= HA_ERATT; + phba->work_hs = HS_FFER3; + if (phba->work_wait) + wake_up(phba->work_wait); + + spin_unlock_irqrestore(phba->host->host_lock, iflag); + return 1; + } + + rmb(); + while (pring->rspidx != portRspPut) { + irsp = (IOCB_t *) IOCB_ENTRY(pring->rspringaddr, pring->rspidx); + type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); + pring->stats.iocb_rsp++; + rsp_cmpl++; + + if (unlikely(irsp->ulpStatus)) { + /* Rsp ring error: IOCB */ + lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, + "%d:0326 Rsp Ring %d error: IOCB Data: " + "x%x x%x x%x x%x x%x x%x x%x x%x\n", + phba->brd_no, pring->ringno, + irsp->un.ulpWord[0], irsp->un.ulpWord[1], + irsp->un.ulpWord[2], irsp->un.ulpWord[3], + irsp->un.ulpWord[4], irsp->un.ulpWord[5], + *(((uint32_t *) irsp) + 6), + *(((uint32_t *) irsp) + 7)); + } + + switch (type) { + case LPFC_ABORT_IOCB: + case LPFC_SOL_IOCB: + /* + * Idle exchange closed via ABTS from port. No iocb + * resources need to be recovered. + */ + if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { + printk(KERN_INFO "%s: IOCB cmd 0x%x processed. " + "Skipping completion\n", __FUNCTION__, + irsp->ulpCommand); + break; + } + + rspiocbq.iocb.un.ulpWord[4] = irsp->un.ulpWord[4]; + rspiocbq.iocb.ulpStatus = irsp->ulpStatus; + rspiocbq.iocb.ulpContext = irsp->ulpContext; + rspiocbq.iocb.ulpIoTag = irsp->ulpIoTag; + cmdiocbq = lpfc_sli_txcmpl_ring_iotag_lookup(phba, + pring, + &rspiocbq); + if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) { + spin_unlock_irqrestore( + phba->host->host_lock, iflag); + (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, + &rspiocbq); + spin_lock_irqsave(phba->host->host_lock, + iflag); + } + break; + default: + if (irsp->ulpCommand == CMD_ADAPTER_MSG) { + char adaptermsg[LPFC_MAX_ADPTMSG]; + memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); + memcpy(&adaptermsg[0], (uint8_t *) irsp, + MAX_MSG_DATA); + dev_warn(&((phba->pcidev)->dev), "lpfc%d: %s", + phba->brd_no, adaptermsg); + } else { + /* Unknown IOCB command */ + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "%d:0321 Unknown IOCB command " + "Data: x%x, x%x x%x x%x x%x\n", + phba->brd_no, type, irsp->ulpCommand, + irsp->ulpStatus, irsp->ulpIoTag, + irsp->ulpContext); + } + break; + } + + /* + * The response IOCB has been processed. Update the ring + * pointer in SLIM. If the port response put pointer has not + * been updated, sync the pgp->rspPutInx and fetch the new port + * response put pointer. + */ + if (++pring->rspidx >= portRspMax) + pring->rspidx = 0; + + to_slim = phba->MBslimaddr + + (SLIMOFF + (pring->ringno * 2) + 1) * 4; + writeb(pring->rspidx, to_slim); + + if (pring->rspidx == portRspPut) + portRspPut = le32_to_cpu(pgp->rspPutInx); + } + + if ((rsp_cmpl > 0) && (mask & HA_R0RE_REQ)) { + pring->stats.iocb_rsp_full++; + status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); + writel(status, phba->CAregaddr); + readl(phba->CAregaddr); + } + if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { + pring->flag &= ~LPFC_CALL_RING_AVAILABLE; + pring->stats.iocb_cmd_empty++; + + /* Force update of the local copy of cmdGetInx */ + pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); + lpfc_sli_resume_iocb(phba, pring); + + if ((pring->lpfc_sli_cmd_available)) + (pring->lpfc_sli_cmd_available) (phba, pring); + + } + + spin_unlock_irqrestore(phba->host->host_lock, iflag); + return rc; +} + + +int +lpfc_sli_handle_slow_ring_event(struct lpfc_hba * phba, + struct lpfc_sli_ring * pring, uint32_t mask) +{ + IOCB_t *entry; + IOCB_t *irsp = NULL; + struct lpfc_iocbq *rspiocbp = NULL; + struct lpfc_iocbq *next_iocb; + struct lpfc_iocbq *cmdiocbp; + struct lpfc_iocbq *saveq; + struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; + HGP *hgp; + PGP *pgp; + MAILBOX_t *mbox; + uint8_t iocb_cmd_type; + lpfc_iocb_type type; + uint32_t status, free_saveq; + uint32_t portRspPut, portRspMax; + int rc = 1; + unsigned long iflag; + void __iomem *to_slim; + + spin_lock_irqsave(phba->host->host_lock, iflag); + pring->stats.iocb_event++; + + /* The driver assumes SLI-2 mode */ + mbox = (MAILBOX_t *) phba->sli.MBhostaddr; + pgp = (PGP *) & mbox->us.s2.port[pring->ringno]; + hgp = (HGP *) & mbox->us.s2.host[pring->ringno]; + + /* + * The next available response entry should never exceed the maximum + * entries. If it does, treat it as an adapter hardware error. + */ + portRspMax = pring->numRiocb; + portRspPut = le32_to_cpu(pgp->rspPutInx); + if (portRspPut >= portRspMax) { + /* + * Ring handler: portRspPut is bigger then + * rsp ring + */ + lpfc_printf_log(phba, + KERN_ERR, + LOG_SLI, + "%d:0312 Ring %d handler: portRspPut %d " + "is bigger then rsp ring %d\n", + phba->brd_no, + pring->ringno, portRspPut, portRspMax); + + phba->hba_state = LPFC_HBA_ERROR; + spin_unlock_irqrestore(phba->host->host_lock, iflag); + + phba->work_hs = HS_FFER3; + lpfc_handle_eratt(phba); + + return 1; + } + + rmb(); + lpfc_iocb_list = &phba->lpfc_iocb_list; + while (pring->rspidx != portRspPut) { + /* + * Build a completion list and call the appropriate handler. + * The process is to get the next available response iocb, get + * a free iocb from the list, copy the response data into the + * free iocb, insert to the continuation list, and update the + * next response index to slim. This process makes response + * iocb's in the ring available to DMA as fast as possible but + * pays a penalty for a copy operation. Since the iocb is + * only 32 bytes, this penalty is considered small relative to + * the PCI reads for register values and a slim write. When + * the ulpLe field is set, the entire Command has been + * received. + */ + entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx); + list_remove_head(lpfc_iocb_list, rspiocbp, struct lpfc_iocbq, + list); + if (rspiocbp == NULL) { + printk(KERN_ERR "%s: out of buffers! Failing " + "completion.\n", __FUNCTION__); + break; + } + + lpfc_sli_pcimem_bcopy(entry, &rspiocbp->iocb, sizeof (IOCB_t)); + irsp = &rspiocbp->iocb; + + if (++pring->rspidx >= portRspMax) + pring->rspidx = 0; + + to_slim = phba->MBslimaddr + (SLIMOFF + (pring->ringno * 2) + + 1) * 4; + writeb(pring->rspidx, to_slim); + + if (list_empty(&(pring->iocb_continueq))) { + list_add(&rspiocbp->list, &(pring->iocb_continueq)); + } else { + list_add_tail(&rspiocbp->list, + &(pring->iocb_continueq)); + } + + pring->iocb_continueq_cnt++; + if (irsp->ulpLe) { + /* + * By default, the driver expects to free all resources + * associated with this iocb completion. + */ + free_saveq = 1; + saveq = list_get_first(&pring->iocb_continueq, + struct lpfc_iocbq, list); + irsp = &(saveq->iocb); + list_del_init(&pring->iocb_continueq); + pring->iocb_continueq_cnt = 0; + + pring->stats.iocb_rsp++; + + if (irsp->ulpStatus) { + /* Rsp ring error: IOCB */ + lpfc_printf_log(phba, + KERN_WARNING, + LOG_SLI, + "%d:0328 Rsp Ring %d error: IOCB Data: " + "x%x x%x x%x x%x x%x x%x x%x x%x\n", + phba->brd_no, + pring->ringno, + irsp->un.ulpWord[0], + irsp->un.ulpWord[1], + irsp->un.ulpWord[2], + irsp->un.ulpWord[3], + irsp->un.ulpWord[4], + irsp->un.ulpWord[5], + *(((uint32_t *) irsp) + 6), + *(((uint32_t *) irsp) + 7)); + } + + /* + * Fetch the IOCB command type and call the correct + * completion routine. Solicited and Unsolicited + * IOCBs on the ELS ring get freed back to the + * lpfc_iocb_list by the discovery kernel thread. + */ + iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK; + type = lpfc_sli_iocb_cmd_type(iocb_cmd_type); + if (type == LPFC_SOL_IOCB) { + spin_unlock_irqrestore(phba->host->host_lock, + iflag); + rc = lpfc_sli_process_sol_iocb(phba, pring, + saveq); + spin_lock_irqsave(phba->host->host_lock, iflag); + } else if (type == LPFC_UNSOL_IOCB) { + spin_unlock_irqrestore(phba->host->host_lock, + iflag); + rc = lpfc_sli_process_unsol_iocb(phba, pring, + saveq); + spin_lock_irqsave(phba->host->host_lock, iflag); + } else if (type == LPFC_ABORT_IOCB) { + if ((irsp->ulpCommand != CMD_XRI_ABORTED_CX) && + ((cmdiocbp = + lpfc_sli_txcmpl_ring_search_slow(pring, + saveq)))) { + /* Call the specified completion + routine */ + if (cmdiocbp->iocb_cmpl) { + spin_unlock_irqrestore( + phba->host->host_lock, + iflag); + (cmdiocbp->iocb_cmpl) (phba, + cmdiocbp, saveq); + spin_lock_irqsave( + phba->host->host_lock, + iflag); + } else { + list_add_tail(&cmdiocbp->list, + lpfc_iocb_list); + } + } + } else if (type == LPFC_UNKNOWN_IOCB) { + if (irsp->ulpCommand == CMD_ADAPTER_MSG) { + + char adaptermsg[LPFC_MAX_ADPTMSG]; + + memset(adaptermsg, 0, + LPFC_MAX_ADPTMSG); + memcpy(&adaptermsg[0], (uint8_t *) irsp, + MAX_MSG_DATA); + dev_warn(&((phba->pcidev)->dev), + "lpfc%d: %s", + phba->brd_no, adaptermsg); + } else { + /* Unknown IOCB command */ + lpfc_printf_log(phba, + KERN_ERR, + LOG_SLI, + "%d:0321 Unknown IOCB command " + "Data: x%x x%x x%x x%x\n", + phba->brd_no, + irsp->ulpCommand, + irsp->ulpStatus, + irsp->ulpIoTag, + irsp->ulpContext); + } + } + + if (free_saveq) { + if (!list_empty(&saveq->list)) { + list_for_each_entry_safe(rspiocbp, + next_iocb, + &saveq->list, + list) { + list_add_tail(&rspiocbp->list, + lpfc_iocb_list); + } + } + + list_add_tail(&saveq->list, lpfc_iocb_list); + } + } + + /* + * If the port response put pointer has not been updated, sync + * the pgp->rspPutInx in the MAILBOX_tand fetch the new port + * response put pointer. + */ + if (pring->rspidx == portRspPut) { + portRspPut = le32_to_cpu(pgp->rspPutInx); + } + } /* while (pring->rspidx != portRspPut) */ + + if ((rspiocbp != 0) && (mask & HA_R0RE_REQ)) { + /* At least one response entry has been freed */ + pring->stats.iocb_rsp_full++; + /* SET RxRE_RSP in Chip Att register */ + status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); + writel(status, phba->CAregaddr); + readl(phba->CAregaddr); /* flush */ + } + if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { + pring->flag &= ~LPFC_CALL_RING_AVAILABLE; + pring->stats.iocb_cmd_empty++; + + /* Force update of the local copy of cmdGetInx */ + pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); + lpfc_sli_resume_iocb(phba, pring); + + if ((pring->lpfc_sli_cmd_available)) + (pring->lpfc_sli_cmd_available) (phba, pring); + + } + + spin_unlock_irqrestore(phba->host->host_lock, iflag); + return rc; +} + +int +lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) +{ + struct lpfc_iocbq *iocb, *next_iocb; + IOCB_t *icmd = NULL, *cmd = NULL; + int errcnt; + uint16_t iotag; + + errcnt = 0; + + /* Error everything on txq and txcmplq + * First do the txq. + */ + spin_lock_irq(phba->host->host_lock); + list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { + list_del_init(&iocb->list); + if (iocb->iocb_cmpl) { + icmd = &iocb->iocb; + icmd->ulpStatus = IOSTAT_LOCAL_REJECT; + icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + spin_unlock_irq(phba->host->host_lock); + (iocb->iocb_cmpl) (phba, iocb, iocb); + spin_lock_irq(phba->host->host_lock); + } else { + list_add_tail(&iocb->list, &phba->lpfc_iocb_list); + } + } + pring->txq_cnt = 0; + INIT_LIST_HEAD(&(pring->txq)); + + /* Next issue ABTS for everything on the txcmplq */ + list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { + cmd = &iocb->iocb; + + /* + * Imediate abort of IOCB, clear fast_lookup entry, + * if any, deque and call compl + */ + iotag = cmd->ulpIoTag; + if (iotag && pring->fast_lookup && + (iotag < pring->fast_iotag)) + pring->fast_lookup[iotag] = NULL; + + list_del_init(&iocb->list); + pring->txcmplq_cnt--; + + if (iocb->iocb_cmpl) { + cmd->ulpStatus = IOSTAT_LOCAL_REJECT; + cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + spin_unlock_irq(phba->host->host_lock); + (iocb->iocb_cmpl) (phba, iocb, iocb); + spin_lock_irq(phba->host->host_lock); + } else { + list_add_tail(&iocb->list, &phba->lpfc_iocb_list); + } + } + + INIT_LIST_HEAD(&pring->txcmplq); + pring->txcmplq_cnt = 0; + spin_unlock_irq(phba->host->host_lock); + + return errcnt; +} + +/****************************************************************************** +* lpfc_sli_send_reset +* +* Note: After returning from this function, the HBA cannot be accessed for +* 1 ms. Since we do not wish to delay in interrupt context, it is the +* responsibility of the caller to perform the mdelay(1) and flush via readl(). +******************************************************************************/ +static int +lpfc_sli_send_reset(struct lpfc_hba * phba, uint16_t skip_post) +{ + MAILBOX_t *swpmb; + volatile uint32_t word0; + void __iomem *to_slim; + unsigned long flags = 0; + + spin_lock_irqsave(phba->host->host_lock, flags); + + /* A board reset must use REAL SLIM. */ + phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE; + + word0 = 0; + swpmb = (MAILBOX_t *) & word0; + swpmb->mbxCommand = MBX_RESTART; + swpmb->mbxHc = 1; + + to_slim = phba->MBslimaddr; + writel(*(uint32_t *) swpmb, to_slim); + readl(to_slim); /* flush */ + + /* Only skip post after fc_ffinit is completed */ + if (skip_post) { + word0 = 1; /* This is really setting up word1 */ + } else { + word0 = 0; /* This is really setting up word1 */ + } + to_slim = phba->MBslimaddr + sizeof (uint32_t); + writel(*(uint32_t *) swpmb, to_slim); + readl(to_slim); /* flush */ + + /* Turn off parity checking and serr during the physical reset */ + pci_read_config_word(phba->pcidev, PCI_COMMAND, &phba->pci_cfg_value); + pci_write_config_word(phba->pcidev, PCI_COMMAND, + (phba->pci_cfg_value & + ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); + + writel(HC_INITFF, phba->HCregaddr); + + phba->hba_state = LPFC_INIT_START; + spin_unlock_irqrestore(phba->host->host_lock, flags); + + return 0; +} + +static int +lpfc_sli_brdreset(struct lpfc_hba * phba, uint16_t skip_post) +{ + struct lpfc_sli_ring *pring; + int i; + struct lpfc_dmabuf *mp, *next_mp; + unsigned long flags = 0; + + lpfc_sli_send_reset(phba, skip_post); + mdelay(1); + + spin_lock_irqsave(phba->host->host_lock, flags); + /* Risk the write on flush case ie no delay after the readl */ + readl(phba->HCregaddr); /* flush */ + /* Now toggle INITFF bit set by lpfc_sli_send_reset */ + writel(0, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + + /* Restore PCI cmd register */ + pci_write_config_word(phba->pcidev, PCI_COMMAND, phba->pci_cfg_value); + + /* perform board reset */ + phba->fc_eventTag = 0; + phba->fc_myDID = 0; + phba->fc_prevDID = Mask_DID; + + /* Reset HBA */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_SLI, + "%d:0325 Reset HBA Data: x%x x%x x%x\n", + phba->brd_no, + phba->hba_state, + phba->sli.sli_flag, + skip_post); + + /* Initialize relevant SLI info */ + for (i = 0; i < phba->sli.num_rings; i++) { + pring = &phba->sli.ring[i]; + pring->flag = 0; + pring->rspidx = 0; + pring->next_cmdidx = 0; + pring->local_getidx = 0; + pring->cmdidx = 0; + pring->missbufcnt = 0; + } + spin_unlock_irqrestore(phba->host->host_lock, flags); + + if (skip_post) { + mdelay(100); + } else { + mdelay(2000); + } + + spin_lock_irqsave(phba->host->host_lock, flags); + /* Cleanup preposted buffers on the ELS ring */ + pring = &phba->sli.ring[LPFC_ELS_RING]; + list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { + list_del(&mp->list); + pring->postbufq_cnt--; + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + } + spin_unlock_irqrestore(phba->host->host_lock, flags); + + for (i = 0; i < phba->sli.num_rings; i++) + lpfc_sli_abort_iocb_ring(phba, &phba->sli.ring[i]); + + return 0; +} + +static int +lpfc_sli_chipset_init(struct lpfc_hba *phba) +{ + uint32_t status, i = 0; + + /* Read the HBA Host Status Register */ + status = readl(phba->HSregaddr); + + /* Check status register to see what current state is */ + i = 0; + while ((status & (HS_FFRDY | HS_MBRDY)) != (HS_FFRDY | HS_MBRDY)) { + + /* Check every 100ms for 5 retries, then every 500ms for 5, then + * every 2.5 sec for 5, then reset board and every 2.5 sec for + * 4. + */ + if (i++ >= 20) { + /* Adapter failed to init, timeout, status reg + */ + lpfc_printf_log(phba, + KERN_ERR, + LOG_INIT, + "%d:0436 Adapter failed to init, " + "timeout, status reg x%x\n", + phba->brd_no, + status); + phba->hba_state = LPFC_HBA_ERROR; + return -ETIMEDOUT; + } + + /* Check to see if any errors occurred during init */ + if (status & HS_FFERM) { + /* ERROR: During chipset initialization */ + /* Adapter failed to init, chipset, status reg + */ + lpfc_printf_log(phba, + KERN_ERR, + LOG_INIT, + "%d:0437 Adapter failed to init, " + "chipset, status reg x%x\n", + phba->brd_no, + status); + phba->hba_state = LPFC_HBA_ERROR; + return -EIO; + } + + if (i <= 5) { + msleep(10); + } else if (i <= 10) { + msleep(500); + } else { + msleep(2500); + } + + if (i == 15) { + lpfc_sli_brdreset(phba, 0); + } + /* Read the HBA Host Status Register */ + status = readl(phba->HSregaddr); + } + + /* Check to see if any errors occurred during init */ + if (status & HS_FFERM) { + /* ERROR: During chipset initialization */ + /* Adapter failed to init, chipset, status reg */ + lpfc_printf_log(phba, + KERN_ERR, + LOG_INIT, + "%d:0438 Adapter failed to init, chipset, " + "status reg x%x\n", + phba->brd_no, + status); + phba->hba_state = LPFC_HBA_ERROR; + return -EIO; + } + + /* Clear all interrupt enable conditions */ + writel(0, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + + /* setup host attn register */ + writel(0xffffffff, phba->HAregaddr); + readl(phba->HAregaddr); /* flush */ + return 0; +} + +int +lpfc_sli_hba_setup(struct lpfc_hba * phba) +{ + LPFC_MBOXQ_t *pmb; + uint32_t resetcount = 0, rc = 0, done = 0; + + pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!pmb) { + phba->hba_state = LPFC_HBA_ERROR; + return -ENOMEM; + } + + while (resetcount < 2 && !done) { + phba->hba_state = 0; + lpfc_sli_brdreset(phba, 0); + msleep(2500); + rc = lpfc_sli_chipset_init(phba); + if (rc) + break; + + resetcount++; + + /* Call pre CONFIG_PORT mailbox command initialization. A value of 0 + * means the call was successful. Any other nonzero value is a failure, + * but if ERESTART is returned, the driver may reset the HBA and try + * again. + */ + rc = lpfc_config_port_prep(phba); + if (rc == -ERESTART) { + phba->hba_state = 0; + continue; + } else if (rc) { + break; + } + + phba->hba_state = LPFC_INIT_MBX_CMDS; + lpfc_config_port(phba, pmb); + rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); + if (rc == MBX_SUCCESS) + done = 1; + else { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "%d:0442 Adapter failed to init, mbxCmd x%x " + "CONFIG_PORT, mbxStatus x%x Data: x%x\n", + phba->brd_no, pmb->mb.mbxCommand, + pmb->mb.mbxStatus, 0); + phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE; + } + } + if (!done) + goto lpfc_sli_hba_setup_error; + + rc = lpfc_sli_ring_map(phba, pmb); + + if (rc) + goto lpfc_sli_hba_setup_error; + + phba->sli.sli_flag |= LPFC_PROCESS_LA; + + rc = lpfc_config_port_post(phba); + if (rc) + goto lpfc_sli_hba_setup_error; + + goto lpfc_sli_hba_setup_exit; +lpfc_sli_hba_setup_error: + phba->hba_state = LPFC_HBA_ERROR; +lpfc_sli_hba_setup_exit: + mempool_free(pmb, phba->mbox_mem_pool); + return rc; +} + +static void +lpfc_mbox_abort(struct lpfc_hba * phba) +{ + LPFC_MBOXQ_t *pmbox; + MAILBOX_t *mb; + + if (phba->sli.mbox_active) { + del_timer_sync(&phba->sli.mbox_tmo); + phba->work_hba_events &= ~WORKER_MBOX_TMO; + pmbox = phba->sli.mbox_active; + mb = &pmbox->mb; + phba->sli.mbox_active = NULL; + if (pmbox->mbox_cmpl) { + mb->mbxStatus = MBX_NOT_FINISHED; + (pmbox->mbox_cmpl) (phba, pmbox); + } + phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; + } + + /* Abort all the non active mailbox commands. */ + spin_lock_irq(phba->host->host_lock); + pmbox = lpfc_mbox_get(phba); + while (pmbox) { + mb = &pmbox->mb; + if (pmbox->mbox_cmpl) { + mb->mbxStatus = MBX_NOT_FINISHED; + spin_unlock_irq(phba->host->host_lock); + (pmbox->mbox_cmpl) (phba, pmbox); + spin_lock_irq(phba->host->host_lock); + } + pmbox = lpfc_mbox_get(phba); + } + spin_unlock_irq(phba->host->host_lock); + return; +} + +/*! lpfc_mbox_timeout + * + * \pre + * \post + * \param hba Pointer to per struct lpfc_hba structure + * \param l1 Pointer to the driver's mailbox queue. + * \return + * void + * + * \b Description: + * + * This routine handles mailbox timeout events at timer interrupt context. + */ +void +lpfc_mbox_timeout(unsigned long ptr) +{ + struct lpfc_hba *phba; + unsigned long iflag; + + phba = (struct lpfc_hba *)ptr; + spin_lock_irqsave(phba->host->host_lock, iflag); + if (!(phba->work_hba_events & WORKER_MBOX_TMO)) { + phba->work_hba_events |= WORKER_MBOX_TMO; + if (phba->work_wait) + wake_up(phba->work_wait); + } + spin_unlock_irqrestore(phba->host->host_lock, iflag); +} + +void +lpfc_mbox_timeout_handler(struct lpfc_hba *phba) +{ + LPFC_MBOXQ_t *pmbox; + MAILBOX_t *mb; + + spin_lock_irq(phba->host->host_lock); + if (!(phba->work_hba_events & WORKER_MBOX_TMO)) { + spin_unlock_irq(phba->host->host_lock); + return; + } + + pmbox = phba->sli.mbox_active; + mb = &pmbox->mb; + + /* Mbox cmd timeout */ + lpfc_printf_log(phba, + KERN_ERR, + LOG_MBOX | LOG_SLI, + "%d:0310 Mailbox command x%x timeout Data: x%x x%x x%p\n", + phba->brd_no, + mb->mbxCommand, + phba->hba_state, + phba->sli.sli_flag, + phba->sli.mbox_active); + + if (phba->sli.mbox_active == pmbox) { + phba->sli.mbox_active = NULL; + if (pmbox->mbox_cmpl) { + mb->mbxStatus = MBX_NOT_FINISHED; + spin_unlock_irq(phba->host->host_lock); + (pmbox->mbox_cmpl) (phba, pmbox); + spin_lock_irq(phba->host->host_lock); + } + phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; + } + + spin_unlock_irq(phba->host->host_lock); + lpfc_mbox_abort(phba); + return; +} + +int +lpfc_sli_issue_mbox(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmbox, uint32_t flag) +{ + MAILBOX_t *mbox; + MAILBOX_t *mb; + struct lpfc_sli *psli; + uint32_t status, evtctr; + uint32_t ha_copy; + int i; + unsigned long drvr_flag = 0; + volatile uint32_t word0, ldata; + void __iomem *to_slim; + + psli = &phba->sli; + + spin_lock_irqsave(phba->host->host_lock, drvr_flag); + + + mb = &pmbox->mb; + status = MBX_SUCCESS; + + if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { + /* Polling for a mbox command when another one is already active + * is not allowed in SLI. Also, the driver must have established + * SLI2 mode to queue and process multiple mbox commands. + */ + + if (flag & MBX_POLL) { + spin_unlock_irqrestore(phba->host->host_lock, + drvr_flag); + + /* Mbox command cannot issue */ + LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) + return (MBX_NOT_FINISHED); + } + + if (!(psli->sli_flag & LPFC_SLI2_ACTIVE)) { + spin_unlock_irqrestore(phba->host->host_lock, + drvr_flag); + /* Mbox command cannot issue */ + LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) + return (MBX_NOT_FINISHED); + } + + /* Handle STOP IOCB processing flag. This is only meaningful + * if we are not polling for mbox completion. + */ + if (flag & MBX_STOP_IOCB) { + flag &= ~MBX_STOP_IOCB; + /* Now flag each ring */ + for (i = 0; i < psli->num_rings; i++) { + /* If the ring is active, flag it */ + if (psli->ring[i].cmdringaddr) { + psli->ring[i].flag |= + LPFC_STOP_IOCB_MBX; + } + } + } + + /* Another mailbox command is still being processed, queue this + * command to be processed later. + */ + lpfc_mbox_put(phba, pmbox); + + /* Mbox cmd issue - BUSY */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_MBOX | LOG_SLI, + "%d:0308 Mbox cmd issue - BUSY Data: x%x x%x x%x x%x\n", + phba->brd_no, + mb->mbxCommand, + phba->hba_state, + psli->sli_flag, + flag); + + psli->slistat.mbox_busy++; + spin_unlock_irqrestore(phba->host->host_lock, + drvr_flag); + + return (MBX_BUSY); + } + + /* Handle STOP IOCB processing flag. This is only meaningful + * if we are not polling for mbox completion. + */ + if (flag & MBX_STOP_IOCB) { + flag &= ~MBX_STOP_IOCB; + if (flag == MBX_NOWAIT) { + /* Now flag each ring */ + for (i = 0; i < psli->num_rings; i++) { + /* If the ring is active, flag it */ + if (psli->ring[i].cmdringaddr) { + psli->ring[i].flag |= + LPFC_STOP_IOCB_MBX; + } + } + } + } + + psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; + + /* If we are not polling, we MUST be in SLI2 mode */ + if (flag != MBX_POLL) { + if (!(psli->sli_flag & LPFC_SLI2_ACTIVE)) { + psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; + spin_unlock_irqrestore(phba->host->host_lock, + drvr_flag); + /* Mbox command cannot issue */ + LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag); + return (MBX_NOT_FINISHED); + } + /* timeout active mbox command */ + mod_timer(&psli->mbox_tmo, jiffies + HZ * LPFC_MBOX_TMO); + } + + /* Mailbox cmd issue */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_MBOX | LOG_SLI, + "%d:0309 Mailbox cmd x%x issue Data: x%x x%x x%x\n", + phba->brd_no, + mb->mbxCommand, + phba->hba_state, + psli->sli_flag, + flag); + + psli->slistat.mbox_cmd++; + evtctr = psli->slistat.mbox_event; + + /* next set own bit for the adapter and copy over command word */ + mb->mbxOwner = OWN_CHIP; + + if (psli->sli_flag & LPFC_SLI2_ACTIVE) { + + /* First copy command data to host SLIM area */ + mbox = (MAILBOX_t *) psli->MBhostaddr; + lpfc_sli_pcimem_bcopy(mb, mbox, MAILBOX_CMD_SIZE); + } else { + if (mb->mbxCommand == MBX_CONFIG_PORT) { + /* copy command data into host mbox for cmpl */ + mbox = (MAILBOX_t *) psli->MBhostaddr; + lpfc_sli_pcimem_bcopy(mb, mbox, MAILBOX_CMD_SIZE); + } + + /* First copy mbox command data to HBA SLIM, skip past first + word */ + to_slim = phba->MBslimaddr + sizeof (uint32_t); + lpfc_memcpy_to_slim(to_slim, &mb->un.varWords[0], + MAILBOX_CMD_SIZE - sizeof (uint32_t)); + + /* Next copy over first word, with mbxOwner set */ + ldata = *((volatile uint32_t *)mb); + to_slim = phba->MBslimaddr; + writel(ldata, to_slim); + readl(to_slim); /* flush */ + + if (mb->mbxCommand == MBX_CONFIG_PORT) { + /* switch over to host mailbox */ + psli->sli_flag |= LPFC_SLI2_ACTIVE; + } + } + + wmb(); + /* interrupt board to doit right away */ + writel(CA_MBATT, phba->CAregaddr); + readl(phba->CAregaddr); /* flush */ + + switch (flag) { + case MBX_NOWAIT: + /* Don't wait for it to finish, just return */ + psli->mbox_active = pmbox; + break; + + case MBX_POLL: + i = 0; + psli->mbox_active = NULL; + if (psli->sli_flag & LPFC_SLI2_ACTIVE) { + /* First read mbox status word */ + mbox = (MAILBOX_t *) psli->MBhostaddr; + word0 = *((volatile uint32_t *)mbox); + word0 = le32_to_cpu(word0); + } else { + /* First read mbox status word */ + word0 = readl(phba->MBslimaddr); + } + + /* Read the HBA Host Attention Register */ + ha_copy = readl(phba->HAregaddr); + + /* Wait for command to complete */ + while (((word0 & OWN_CHIP) == OWN_CHIP) + || !(ha_copy & HA_MBATT)) { + if (i++ >= 100) { + psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; + spin_unlock_irqrestore(phba->host->host_lock, + drvr_flag); + return (MBX_NOT_FINISHED); + } + + /* Check if we took a mbox interrupt while we were + polling */ + if (((word0 & OWN_CHIP) != OWN_CHIP) + && (evtctr != psli->slistat.mbox_event)) + break; + + spin_unlock_irqrestore(phba->host->host_lock, + drvr_flag); + + /* Can be in interrupt context, do not sleep */ + /* (or might be called with interrupts disabled) */ + mdelay(i); + + spin_lock_irqsave(phba->host->host_lock, drvr_flag); + + if (psli->sli_flag & LPFC_SLI2_ACTIVE) { + /* First copy command data */ + mbox = (MAILBOX_t *) psli->MBhostaddr; + word0 = *((volatile uint32_t *)mbox); + word0 = le32_to_cpu(word0); + if (mb->mbxCommand == MBX_CONFIG_PORT) { + MAILBOX_t *slimmb; + volatile uint32_t slimword0; + /* Check real SLIM for any errors */ + slimword0 = readl(phba->MBslimaddr); + slimmb = (MAILBOX_t *) & slimword0; + if (((slimword0 & OWN_CHIP) != OWN_CHIP) + && slimmb->mbxStatus) { + psli->sli_flag &= + ~LPFC_SLI2_ACTIVE; + word0 = slimword0; + } + } + } else { + /* First copy command data */ + word0 = readl(phba->MBslimaddr); + } + /* Read the HBA Host Attention Register */ + ha_copy = readl(phba->HAregaddr); + } + + if (psli->sli_flag & LPFC_SLI2_ACTIVE) { + /* First copy command data */ + mbox = (MAILBOX_t *) psli->MBhostaddr; + /* copy results back to user */ + lpfc_sli_pcimem_bcopy(mbox, mb, MAILBOX_CMD_SIZE); + } else { + /* First copy command data */ + lpfc_memcpy_from_slim(mb, phba->MBslimaddr, + MAILBOX_CMD_SIZE); + if ((mb->mbxCommand == MBX_DUMP_MEMORY) && + pmbox->context2) { + lpfc_memcpy_from_slim((void *)pmbox->context2, + phba->MBslimaddr + DMP_RSP_OFFSET, + mb->un.varDmp.word_cnt); + } + } + + writel(HA_MBATT, phba->HAregaddr); + readl(phba->HAregaddr); /* flush */ + + psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; + status = mb->mbxStatus; + } + + spin_unlock_irqrestore(phba->host->host_lock, drvr_flag); + return (status); +} + +static int +lpfc_sli_ringtx_put(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, + struct lpfc_iocbq * piocb) +{ + /* Insert the caller's iocb in the txq tail for later processing. */ + list_add_tail(&piocb->list, &pring->txq); + pring->txq_cnt++; + return (0); +} + +static struct lpfc_iocbq * +lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, + struct lpfc_iocbq ** piocb) +{ + struct lpfc_iocbq * nextiocb; + + nextiocb = lpfc_sli_ringtx_get(phba, pring); + if (!nextiocb) { + nextiocb = *piocb; + *piocb = NULL; + } + + return nextiocb; +} + +int +lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, + struct lpfc_iocbq *piocb, uint32_t flag) +{ + struct lpfc_iocbq *nextiocb; + IOCB_t *iocb; + + /* + * We should never get an IOCB if we are in a < LINK_DOWN state + */ + if (unlikely(phba->hba_state < LPFC_LINK_DOWN)) + return IOCB_ERROR; + + /* + * Check to see if we are blocking IOCB processing because of a + * outstanding mbox command. + */ + if (unlikely(pring->flag & LPFC_STOP_IOCB_MBX)) + goto iocb_busy; + + if (unlikely(phba->hba_state == LPFC_LINK_DOWN)) { + /* + * Only CREATE_XRI, CLOSE_XRI, ABORT_XRI, and QUE_RING_BUF + * can be issued if the link is not up. + */ + switch (piocb->iocb.ulpCommand) { + case CMD_QUE_RING_BUF_CN: + case CMD_QUE_RING_BUF64_CN: + case CMD_CLOSE_XRI_CN: + case CMD_ABORT_XRI_CN: + /* + * For IOCBs, like QUE_RING_BUF, that have no rsp ring + * completion, iocb_cmpl MUST be 0. + */ + if (piocb->iocb_cmpl) + piocb->iocb_cmpl = NULL; + /*FALLTHROUGH*/ + case CMD_CREATE_XRI_CR: + break; + default: + goto iocb_busy; + } + + /* + * For FCP commands, we must be in a state where we can process link + * attention events. + */ + } else if (unlikely(pring->ringno == phba->sli.fcp_ring && + !(phba->sli.sli_flag & LPFC_PROCESS_LA))) + goto iocb_busy; + + /* + * Check to see if this is a high priority command. + * If so bypass tx queue processing. + */ + if (unlikely((flag & SLI_IOCB_HIGH_PRIORITY) && + (iocb = lpfc_sli_next_iocb_slot(phba, pring)))) { + lpfc_sli_submit_iocb(phba, pring, iocb, piocb); + piocb = NULL; + } + + while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && + (nextiocb = lpfc_sli_next_iocb(phba, pring, &piocb))) + lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); + + if (iocb) + lpfc_sli_update_ring(phba, pring); + else + lpfc_sli_update_full_ring(phba, pring); + + if (!piocb) + return IOCB_SUCCESS; + + goto out_busy; + + iocb_busy: + pring->stats.iocb_cmd_delay++; + + out_busy: + + if (!(flag & SLI_IOCB_RET_IOCB)) { + lpfc_sli_ringtx_put(phba, pring, piocb); + return IOCB_SUCCESS; + } + + return IOCB_BUSY; +} + +int +lpfc_sli_setup(struct lpfc_hba *phba) +{ + int i, totiocb = 0; + struct lpfc_sli *psli = &phba->sli; + struct lpfc_sli_ring *pring; + + psli->num_rings = MAX_CONFIGURED_RINGS; + psli->sli_flag = 0; + psli->fcp_ring = LPFC_FCP_RING; + psli->next_ring = LPFC_FCP_NEXT_RING; + psli->ip_ring = LPFC_IP_RING; + + for (i = 0; i < psli->num_rings; i++) { + pring = &psli->ring[i]; + switch (i) { + case LPFC_FCP_RING: /* ring 0 - FCP */ + /* numCiocb and numRiocb are used in config_port */ + pring->numCiocb = SLI2_IOCB_CMD_R0_ENTRIES; + pring->numRiocb = SLI2_IOCB_RSP_R0_ENTRIES; + pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; + pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; + pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; + pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; + pring->iotag_ctr = 0; + pring->iotag_max = + (phba->cfg_hba_queue_depth * 2); + pring->fast_iotag = pring->iotag_max; + pring->num_mask = 0; + break; + case LPFC_IP_RING: /* ring 1 - IP */ + /* numCiocb and numRiocb are used in config_port */ + pring->numCiocb = SLI2_IOCB_CMD_R1_ENTRIES; + pring->numRiocb = SLI2_IOCB_RSP_R1_ENTRIES; + pring->num_mask = 0; + break; + case LPFC_ELS_RING: /* ring 2 - ELS / CT */ + /* numCiocb and numRiocb are used in config_port */ + pring->numCiocb = SLI2_IOCB_CMD_R2_ENTRIES; + pring->numRiocb = SLI2_IOCB_RSP_R2_ENTRIES; + pring->fast_iotag = 0; + pring->iotag_ctr = 0; + pring->iotag_max = 4096; + pring->num_mask = 4; + pring->prt[0].profile = 0; /* Mask 0 */ + pring->prt[0].rctl = FC_ELS_REQ; + pring->prt[0].type = FC_ELS_DATA; + pring->prt[0].lpfc_sli_rcv_unsol_event = + lpfc_els_unsol_event; + pring->prt[1].profile = 0; /* Mask 1 */ + pring->prt[1].rctl = FC_ELS_RSP; + pring->prt[1].type = FC_ELS_DATA; + pring->prt[1].lpfc_sli_rcv_unsol_event = + lpfc_els_unsol_event; + pring->prt[2].profile = 0; /* Mask 2 */ + /* NameServer Inquiry */ + pring->prt[2].rctl = FC_UNSOL_CTL; + /* NameServer */ + pring->prt[2].type = FC_COMMON_TRANSPORT_ULP; + pring->prt[2].lpfc_sli_rcv_unsol_event = + lpfc_ct_unsol_event; + pring->prt[3].profile = 0; /* Mask 3 */ + /* NameServer response */ + pring->prt[3].rctl = FC_SOL_CTL; + /* NameServer */ + pring->prt[3].type = FC_COMMON_TRANSPORT_ULP; + pring->prt[3].lpfc_sli_rcv_unsol_event = + lpfc_ct_unsol_event; + break; + } + totiocb += (pring->numCiocb + pring->numRiocb); + } + if (totiocb > MAX_SLI2_IOCB) { + /* Too many cmd / rsp ring entries in SLI2 SLIM */ + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "%d:0462 Too many cmd / rsp ring entries in " + "SLI2 SLIM Data: x%x x%x\n", + phba->brd_no, totiocb, MAX_SLI2_IOCB); + } + + return 0; +} + +int +lpfc_sli_queue_setup(struct lpfc_hba * phba) +{ + struct lpfc_sli *psli; + struct lpfc_sli_ring *pring; + int i, cnt; + + psli = &phba->sli; + spin_lock_irq(phba->host->host_lock); + INIT_LIST_HEAD(&psli->mboxq); + /* Initialize list headers for txq and txcmplq as double linked lists */ + for (i = 0; i < psli->num_rings; i++) { + pring = &psli->ring[i]; + pring->ringno = i; + pring->next_cmdidx = 0; + pring->local_getidx = 0; + pring->cmdidx = 0; + INIT_LIST_HEAD(&pring->txq); + INIT_LIST_HEAD(&pring->txcmplq); + INIT_LIST_HEAD(&pring->iocb_continueq); + INIT_LIST_HEAD(&pring->postbufq); + cnt = pring->fast_iotag; + spin_unlock_irq(phba->host->host_lock); + if (cnt) { + pring->fast_lookup = + kmalloc(cnt * sizeof (struct lpfc_iocbq *), + GFP_KERNEL); + if (pring->fast_lookup == 0) { + return (0); + } + memset((char *)pring->fast_lookup, 0, + cnt * sizeof (struct lpfc_iocbq *)); + } + spin_lock_irq(phba->host->host_lock); + } + spin_unlock_irq(phba->host->host_lock); + return (1); +} + +int +lpfc_sli_hba_down(struct lpfc_hba * phba) +{ + struct lpfc_sli *psli; + struct lpfc_sli_ring *pring; + LPFC_MBOXQ_t *pmb; + struct lpfc_iocbq *iocb, *next_iocb; + IOCB_t *icmd = NULL; + int i; + unsigned long flags = 0; + + psli = &phba->sli; + lpfc_hba_down_prep(phba); + + spin_lock_irqsave(phba->host->host_lock, flags); + + for (i = 0; i < psli->num_rings; i++) { + pring = &psli->ring[i]; + pring->flag |= LPFC_DEFERRED_RING_EVENT; + + /* + * Error everything on the txq since these iocbs have not been + * given to the FW yet. + */ + pring->txq_cnt = 0; + + list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { + list_del_init(&iocb->list); + if (iocb->iocb_cmpl) { + icmd = &iocb->iocb; + icmd->ulpStatus = IOSTAT_LOCAL_REJECT; + icmd->un.ulpWord[4] = IOERR_SLI_DOWN; + spin_unlock_irqrestore(phba->host->host_lock, + flags); + (iocb->iocb_cmpl) (phba, iocb, iocb); + spin_lock_irqsave(phba->host->host_lock, flags); + } else { + list_add_tail(&iocb->list, + &phba->lpfc_iocb_list); + } + } + + INIT_LIST_HEAD(&(pring->txq)); + + if (pring->fast_lookup) { + kfree(pring->fast_lookup); + pring->fast_lookup = NULL; + } + + } + + spin_unlock_irqrestore(phba->host->host_lock, flags); + + /* Return any active mbox cmds */ + del_timer_sync(&psli->mbox_tmo); + spin_lock_irqsave(phba->host->host_lock, flags); + phba->work_hba_events &= ~WORKER_MBOX_TMO; + if (psli->mbox_active) { + pmb = psli->mbox_active; + pmb->mb.mbxStatus = MBX_NOT_FINISHED; + if (pmb->mbox_cmpl) { + spin_unlock_irqrestore(phba->host->host_lock, flags); + pmb->mbox_cmpl(phba,pmb); + spin_lock_irqsave(phba->host->host_lock, flags); + } + } + psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; + psli->mbox_active = NULL; + + /* Return any pending mbox cmds */ + while ((pmb = lpfc_mbox_get(phba)) != NULL) { + pmb->mb.mbxStatus = MBX_NOT_FINISHED; + if (pmb->mbox_cmpl) { + spin_unlock_irqrestore(phba->host->host_lock, flags); + pmb->mbox_cmpl(phba,pmb); + spin_lock_irqsave(phba->host->host_lock, flags); + } + } + + INIT_LIST_HEAD(&psli->mboxq); + + spin_unlock_irqrestore(phba->host->host_lock, flags); + + /* + * Provided the hba is not in an error state, reset it. It is not + * capable of IO anymore. + */ + if (phba->hba_state != LPFC_HBA_ERROR) { + phba->hba_state = LPFC_INIT_START; + lpfc_sli_brdreset(phba, 1); + } + + return 1; +} + +void +lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) +{ + uint32_t *src = srcp; + uint32_t *dest = destp; + uint32_t ldata; + int i; + + for (i = 0; i < (int)cnt; i += sizeof (uint32_t)) { + ldata = *src; + ldata = le32_to_cpu(ldata); + *dest = ldata; + src++; + dest++; + } +} + +int +lpfc_sli_ringpostbuf_put(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, + struct lpfc_dmabuf * mp) +{ + /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up + later */ + list_add_tail(&mp->list, &pring->postbufq); + + pring->postbufq_cnt++; + return 0; +} + + +struct lpfc_dmabuf * +lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, + dma_addr_t phys) +{ + struct lpfc_dmabuf *mp, *next_mp; + struct list_head *slp = &pring->postbufq; + + /* Search postbufq, from the begining, looking for a match on phys */ + list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { + if (mp->phys == phys) { + list_del_init(&mp->list); + pring->postbufq_cnt--; + return mp; + } + } + + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "%d:0410 Cannot find virtual addr for mapped buf on " + "ring %d Data x%llx x%p x%p x%x\n", + phba->brd_no, pring->ringno, (unsigned long long)phys, + slp->next, slp->prev, pring->postbufq_cnt); + return NULL; +} + +static void +lpfc_sli_abort_elsreq_cmpl(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_iocbq * rspiocb) +{ + struct lpfc_dmabuf *buf_ptr, *buf_ptr1; + /* Free the resources associated with the ELS_REQUEST64 IOCB the driver + * just aborted. + * In this case, context2 = cmd, context2->next = rsp, context3 = bpl + */ + if (cmdiocb->context2) { + buf_ptr1 = (struct lpfc_dmabuf *) cmdiocb->context2; + + /* Free the response IOCB before completing the abort + command. */ + buf_ptr = NULL; + list_remove_head((&buf_ptr1->list), buf_ptr, + struct lpfc_dmabuf, list); + if (buf_ptr) { + lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); + kfree(buf_ptr); + } + lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys); + kfree(buf_ptr1); + } + + if (cmdiocb->context3) { + buf_ptr = (struct lpfc_dmabuf *) cmdiocb->context3; + lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); + kfree(buf_ptr); + } + + list_add_tail(&cmdiocb->list, &phba->lpfc_iocb_list); + return; +} + +int +lpfc_sli_issue_abort_iotag32(struct lpfc_hba * phba, + struct lpfc_sli_ring * pring, + struct lpfc_iocbq * cmdiocb) +{ + struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; + struct lpfc_iocbq *abtsiocbp = NULL; + IOCB_t *icmd = NULL; + IOCB_t *iabt = NULL; + + /* issue ABTS for this IOCB based on iotag */ + list_remove_head(lpfc_iocb_list, abtsiocbp, struct lpfc_iocbq, list); + if (abtsiocbp == NULL) + return 0; + memset(abtsiocbp, 0, sizeof (struct lpfc_iocbq)); + + iabt = &abtsiocbp->iocb; + icmd = &cmdiocb->iocb; + switch (icmd->ulpCommand) { + case CMD_ELS_REQUEST64_CR: + /* Even though we abort the ELS command, the firmware may access + * the BPL or other resources before it processes our + * ABORT_MXRI64. Thus we must delay reusing the cmdiocb + * resources till the actual abort request completes. + */ + abtsiocbp->context1 = (void *)((unsigned long)icmd->ulpCommand); + abtsiocbp->context2 = cmdiocb->context2; + abtsiocbp->context3 = cmdiocb->context3; + cmdiocb->context2 = NULL; + cmdiocb->context3 = NULL; + abtsiocbp->iocb_cmpl = lpfc_sli_abort_elsreq_cmpl; + break; + default: + list_add_tail(&abtsiocbp->list, lpfc_iocb_list); + return 0; + } + + iabt->un.amxri.abortType = ABORT_TYPE_ABTS; + iabt->un.amxri.iotag32 = icmd->un.elsreq64.bdl.ulpIoTag32; + + iabt->ulpLe = 1; + iabt->ulpClass = CLASS3; + iabt->ulpCommand = CMD_ABORT_MXRI64_CN; + + if (lpfc_sli_issue_iocb(phba, pring, abtsiocbp, 0) == IOCB_ERROR) { + list_add_tail(&abtsiocbp->list, lpfc_iocb_list); + return 0; + } + + return 1; +} + +static int +lpfc_sli_validate_iocb_cmd(struct lpfc_scsi_buf *lpfc_cmd, uint16_t tgt_id, + uint64_t lun_id, struct lpfc_iocbq *iocb, + uint32_t ctx, lpfc_ctx_cmd ctx_cmd) +{ + int rc = 1; + + if (lpfc_cmd == NULL) + return rc; + + switch (ctx_cmd) { + case LPFC_CTX_LUN: + if ((lpfc_cmd->pCmd->device->id == tgt_id) && + (lpfc_cmd->pCmd->device->lun == lun_id)) + rc = 0; + break; + case LPFC_CTX_TGT: + if (lpfc_cmd->pCmd->device->id == tgt_id) + rc = 0; + break; + case LPFC_CTX_CTX: + if (iocb->iocb.ulpContext == ctx) + rc = 0; + case LPFC_CTX_HOST: + rc = 0; + break; + default: + printk(KERN_ERR "%s: Unknown context cmd type, value %d\n", + __FUNCTION__, ctx_cmd); + break; + } + + return rc; +} + +int +lpfc_sli_sum_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, + uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd ctx_cmd) +{ + struct lpfc_iocbq *iocb, *next_iocb; + IOCB_t *cmd = NULL; + struct lpfc_scsi_buf *lpfc_cmd; + int sum = 0, ret_val = 0; + + /* Next check the txcmplq */ + list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { + cmd = &iocb->iocb; + + /* Must be a FCP command */ + if ((cmd->ulpCommand != CMD_FCP_ICMND64_CR) && + (cmd->ulpCommand != CMD_FCP_IWRITE64_CR) && + (cmd->ulpCommand != CMD_FCP_IREAD64_CR)) { + continue; + } + + /* context1 MUST be a struct lpfc_scsi_buf */ + lpfc_cmd = (struct lpfc_scsi_buf *) (iocb->context1); + ret_val = lpfc_sli_validate_iocb_cmd(lpfc_cmd, tgt_id, lun_id, + NULL, 0, ctx_cmd); + if (ret_val != 0) + continue; + sum++; + } + return sum; +} + +int +lpfc_sli_abort_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, + uint16_t tgt_id, uint64_t lun_id, uint32_t ctx, + lpfc_ctx_cmd abort_cmd) +{ + struct lpfc_iocbq *iocb, *next_iocb; + struct lpfc_iocbq *abtsiocb = NULL; + struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; + IOCB_t *cmd = NULL; + struct lpfc_scsi_buf *lpfc_cmd; + int errcnt = 0, ret_val = 0; + + list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { + cmd = &iocb->iocb; + + /* Must be a FCP command */ + if ((cmd->ulpCommand != CMD_FCP_ICMND64_CR) && + (cmd->ulpCommand != CMD_FCP_IWRITE64_CR) && + (cmd->ulpCommand != CMD_FCP_IREAD64_CR)) { + continue; + } + + /* context1 MUST be a struct lpfc_scsi_buf */ + lpfc_cmd = (struct lpfc_scsi_buf *) (iocb->context1); + ret_val = lpfc_sli_validate_iocb_cmd(lpfc_cmd, tgt_id, lun_id, + iocb, ctx, abort_cmd); + if (ret_val != 0) + continue; + + /* issue ABTS for this IOCB based on iotag */ + list_remove_head(lpfc_iocb_list, abtsiocb, struct lpfc_iocbq, + list); + if (abtsiocb == NULL) { + errcnt++; + continue; + } + memset(abtsiocb, 0, sizeof (struct lpfc_iocbq)); + + abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; + abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext; + abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag; + abtsiocb->iocb.ulpLe = 1; + abtsiocb->iocb.ulpClass = cmd->ulpClass; + + if (phba->hba_state >= LPFC_LINK_UP) + abtsiocb->iocb.ulpCommand = CMD_ABORT_XRI_CN; + else + abtsiocb->iocb.ulpCommand = CMD_CLOSE_XRI_CN; + + ret_val = lpfc_sli_issue_iocb(phba, pring, abtsiocb, 0); + if (ret_val == IOCB_ERROR) { + list_add_tail(&abtsiocb->list, lpfc_iocb_list); + errcnt++; + continue; + } + } + + return errcnt; +} + +void +lpfc_sli_wake_iocb_high_priority(struct lpfc_hba * phba, + struct lpfc_iocbq * queue1, + struct lpfc_iocbq * queue2) +{ + if (queue1->context2 && queue2) + memcpy(queue1->context2, queue2, sizeof (struct lpfc_iocbq)); + + /* The waiter is looking for LPFC_IO_HIPRI bit to be set + as a signal to wake up */ + queue1->iocb_flag |= LPFC_IO_HIPRI; + return; +} + +int +lpfc_sli_issue_iocb_wait_high_priority(struct lpfc_hba * phba, + struct lpfc_sli_ring * pring, + struct lpfc_iocbq * piocb, + uint32_t flag, + struct lpfc_iocbq * prspiocbq, + uint32_t timeout) +{ + int j, delay_time, retval = IOCB_ERROR; + + /* The caller must left context1 empty. */ + if (piocb->context_un.hipri_wait_queue != 0) { + return IOCB_ERROR; + } + + /* + * If the caller has provided a response iocbq buffer, context2 must + * be NULL or its an error. + */ + if (prspiocbq && piocb->context2) { + return IOCB_ERROR; + } + + piocb->context2 = prspiocbq; + + /* Setup callback routine and issue the command. */ + piocb->iocb_cmpl = lpfc_sli_wake_iocb_high_priority; + retval = lpfc_sli_issue_iocb(phba, pring, piocb, + flag | SLI_IOCB_HIGH_PRIORITY); + if (retval != IOCB_SUCCESS) { + piocb->context2 = NULL; + return IOCB_ERROR; + } + + /* + * This high-priority iocb was sent out-of-band. Poll for its + * completion rather than wait for a signal. Note that the host_lock + * is held by the midlayer and must be released here to allow the + * interrupt handlers to complete the IO and signal this routine via + * the iocb_flag. + * Also, the delay_time is computed to be one second longer than + * the scsi command timeout to give the FW time to abort on + * timeout rather than the driver just giving up. Typically, + * the midlayer does not specify a time for this command so the + * driver is free to enforce its own timeout. + */ + + delay_time = ((timeout + 1) * 1000) >> 6; + retval = IOCB_ERROR; + spin_unlock_irq(phba->host->host_lock); + for (j = 0; j < 64; j++) { + msleep(delay_time); + if (piocb->iocb_flag & LPFC_IO_HIPRI) { + piocb->iocb_flag &= ~LPFC_IO_HIPRI; + retval = IOCB_SUCCESS; + break; + } + } + + spin_lock_irq(phba->host->host_lock); + piocb->context2 = NULL; + return retval; +} +int +lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq, + uint32_t timeout) +{ + DECLARE_WAIT_QUEUE_HEAD(done_q); + DECLARE_WAITQUEUE(wq_entry, current); + uint32_t timeleft = 0; + int retval; + + /* The caller must leave context1 empty. */ + if (pmboxq->context1 != 0) { + return (MBX_NOT_FINISHED); + } + + /* setup wake call as IOCB callback */ + pmboxq->mbox_cmpl = lpfc_sli_wake_mbox_wait; + /* setup context field to pass wait_queue pointer to wake function */ + pmboxq->context1 = &done_q; + + /* start to sleep before we wait, to avoid races */ + set_current_state(TASK_INTERRUPTIBLE); + add_wait_queue(&done_q, &wq_entry); + + /* now issue the command */ + retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); + + if (retval == MBX_BUSY || retval == MBX_SUCCESS) { + timeleft = schedule_timeout(timeout * HZ); + pmboxq->context1 = NULL; + /* if schedule_timeout returns 0, we timed out and were not + woken up */ + if (timeleft == 0) { + retval = MBX_TIMEOUT; + } else { + retval = MBX_SUCCESS; + } + } + + + set_current_state(TASK_RUNNING); + remove_wait_queue(&done_q, &wq_entry); + return retval; +} + +irqreturn_t +lpfc_intr_handler(int irq, void *dev_id, struct pt_regs * regs) +{ + struct lpfc_hba *phba; + uint32_t ha_copy; + uint32_t work_ha_copy; + unsigned long status; + int i; + uint32_t control; + + /* + * Get the driver's phba structure from the dev_id and + * assume the HBA is not interrupting. + */ + phba = (struct lpfc_hba *) dev_id; + + if (unlikely(!phba)) + return IRQ_NONE; + + phba->sli.slistat.sli_intr++; + + /* + * Call the HBA to see if it is interrupting. If not, don't claim + * the interrupt + */ + + /* Ignore all interrupts during initialization. */ + if (unlikely(phba->hba_state < LPFC_LINK_DOWN)) + return IRQ_NONE; + + /* + * Read host attention register to determine interrupt source + * Clear Attention Sources, except Error Attention (to + * preserve status) and Link Attention + */ + spin_lock(phba->host->host_lock); + ha_copy = readl(phba->HAregaddr); + writel((ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); + readl(phba->HAregaddr); /* flush */ + spin_unlock(phba->host->host_lock); + + if (unlikely(!ha_copy)) + return IRQ_NONE; + + work_ha_copy = ha_copy & phba->work_ha_mask; + + if (unlikely(work_ha_copy)) { + if (work_ha_copy & HA_LATT) { + if (phba->sli.sli_flag & LPFC_PROCESS_LA) { + /* + * Turn off Link Attention interrupts + * until CLEAR_LA done + */ + spin_lock(phba->host->host_lock); + phba->sli.sli_flag &= ~LPFC_PROCESS_LA; + control = readl(phba->HCregaddr); + control &= ~HC_LAINT_ENA; + writel(control, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + spin_unlock(phba->host->host_lock); + } + else + work_ha_copy &= ~HA_LATT; + } + + if (work_ha_copy & ~(HA_ERATT|HA_MBATT|HA_LATT)) { + for (i = 0; i < phba->sli.num_rings; i++) { + if (work_ha_copy & (HA_RXATT << (4*i))) { + /* + * Turn off Slow Rings interrupts + */ + spin_lock(phba->host->host_lock); + control = readl(phba->HCregaddr); + control &= ~(HC_R0INT_ENA << i); + writel(control, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + spin_unlock(phba->host->host_lock); + } + } + } + + if (work_ha_copy & HA_ERATT) { + phba->hba_state = LPFC_HBA_ERROR; + /* + * There was a link/board error. Read the + * status register to retrieve the error event + * and process it. + */ + phba->sli.slistat.err_attn_event++; + /* Save status info */ + phba->work_hs = readl(phba->HSregaddr); + phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); + phba->work_status[1] = readl(phba->MBslimaddr + 0xac); + + /* Clear Chip error bit */ + writel(HA_ERATT, phba->HAregaddr); + readl(phba->HAregaddr); /* flush */ + + /* + * Reseting the HBA is the only reliable way + * to shutdown interrupt when there is a + * ERROR. + */ + lpfc_sli_send_reset(phba, phba->hba_state); + } + + spin_lock(phba->host->host_lock); + phba->work_ha |= work_ha_copy; + if (phba->work_wait) + wake_up(phba->work_wait); + spin_unlock(phba->host->host_lock); + } + + ha_copy &= ~(phba->work_ha_mask); + + /* + * Process all events on FCP ring. Take the optimized path for + * FCP IO. Any other IO is slow path and is handled by + * the worker thread. + */ + status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); + status >>= (4*LPFC_FCP_RING); + if (status & HA_RXATT) + lpfc_sli_handle_fast_ring_event(phba, + &phba->sli.ring[LPFC_FCP_RING], + status); + return IRQ_HANDLED; + +} /* lpfc_intr_handler */ diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h new file mode 100644 index 000000000000..abd9a8c84e9e --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -0,0 +1,216 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_sli.h 1.42 2005/03/21 02:01:28EST sf_support Exp $ + */ + +/* forward declaration for LPFC_IOCB_t's use */ +struct lpfc_hba; + +/* Define the context types that SLI handles for abort and sums. */ +typedef enum _lpfc_ctx_cmd { + LPFC_CTX_LUN, + LPFC_CTX_TGT, + LPFC_CTX_CTX, + LPFC_CTX_HOST +} lpfc_ctx_cmd; + +/* This structure is used to handle IOCB requests / responses */ +struct lpfc_iocbq { + /* lpfc_iocbqs are used in double linked lists */ + struct list_head list; + IOCB_t iocb; /* IOCB cmd */ + uint8_t retry; /* retry counter for IOCB cmd - if needed */ + uint8_t iocb_flag; +#define LPFC_IO_POLL 1 /* Polling mode iocb */ +#define LPFC_IO_LIBDFC 2 /* libdfc iocb */ +#define LPFC_IO_WAIT 4 +#define LPFC_IO_HIPRI 8 /* High Priority Queue signal flag */ + + uint8_t abort_count; + uint8_t rsvd2; + uint32_t drvrTimeout; /* driver timeout in seconds */ + void *context1; /* caller context information */ + void *context2; /* caller context information */ + void *context3; /* caller context information */ + union { + wait_queue_head_t *hipri_wait_queue; /* High Priority Queue wait + queue */ + struct lpfc_iocbq *rsp_iocb; + struct lpfcMboxq *mbox; + } context_un; + + void (*iocb_cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, + struct lpfc_iocbq *); + +}; + +#define SLI_IOCB_RET_IOCB 1 /* Return IOCB if cmd ring full */ +#define SLI_IOCB_HIGH_PRIORITY 2 /* High priority command */ + +#define IOCB_SUCCESS 0 +#define IOCB_BUSY 1 +#define IOCB_ERROR 2 +#define IOCB_TIMEDOUT 3 + +typedef struct lpfcMboxq { + /* MBOXQs are used in single linked lists */ + struct list_head list; /* ptr to next mailbox command */ + MAILBOX_t mb; /* Mailbox cmd */ + void *context1; /* caller context information */ + void *context2; /* caller context information */ + + void (*mbox_cmpl) (struct lpfc_hba *, struct lpfcMboxq *); + +} LPFC_MBOXQ_t; + +#define MBX_POLL 1 /* poll mailbox till command done, then + return */ +#define MBX_NOWAIT 2 /* issue command then return immediately */ +#define MBX_STOP_IOCB 4 /* Stop iocb processing till mbox cmds + complete */ + +#define LPFC_MAX_RING_MASK 4 /* max num of rctl/type masks allowed per + ring */ +#define LPFC_MAX_RING 4 /* max num of SLI rings used by driver */ + +struct lpfc_sli_ring; + +struct lpfc_sli_ring_mask { + uint8_t profile; /* profile associated with ring */ + uint8_t rctl; /* rctl / type pair configured for ring */ + uint8_t type; /* rctl / type pair configured for ring */ + uint8_t rsvd; + /* rcv'd unsol event */ + void (*lpfc_sli_rcv_unsol_event) (struct lpfc_hba *, + struct lpfc_sli_ring *, + struct lpfc_iocbq *); +}; + + +/* Structure used to hold SLI statistical counters and info */ +struct lpfc_sli_ring_stat { + uint64_t iocb_event; /* IOCB event counters */ + uint64_t iocb_cmd; /* IOCB cmd issued */ + uint64_t iocb_rsp; /* IOCB rsp received */ + uint64_t iocb_cmd_delay; /* IOCB cmd ring delay */ + uint64_t iocb_cmd_full; /* IOCB cmd ring full */ + uint64_t iocb_cmd_empty; /* IOCB cmd ring is now empty */ + uint64_t iocb_rsp_full; /* IOCB rsp ring full */ +}; + +/* Structure used to hold SLI ring information */ +struct lpfc_sli_ring { + uint16_t flag; /* ring flags */ +#define LPFC_DEFERRED_RING_EVENT 0x001 /* Deferred processing a ring event */ +#define LPFC_CALL_RING_AVAILABLE 0x002 /* indicates cmd was full */ +#define LPFC_STOP_IOCB_MBX 0x010 /* Stop processing IOCB cmds mbox */ +#define LPFC_STOP_IOCB_EVENT 0x020 /* Stop processing IOCB cmds event */ +#define LPFC_STOP_IOCB_MASK 0x030 /* Stop processing IOCB cmds mask */ + uint16_t abtsiotag; /* tracks next iotag to use for ABTS */ + + uint32_t local_getidx; /* last available cmd index (from cmdGetInx) */ + uint32_t next_cmdidx; /* next_cmd index */ + uint8_t rsvd; + uint8_t ringno; /* ring number */ + uint8_t rspidx; /* current index in response ring */ + uint8_t cmdidx; /* current index in command ring */ + uint16_t numCiocb; /* number of command iocb's per ring */ + uint16_t numRiocb; /* number of rsp iocb's per ring */ + + uint32_t fast_iotag; /* max fastlookup based iotag */ + uint32_t iotag_ctr; /* keeps track of the next iotag to use */ + uint32_t iotag_max; /* max iotag value to use */ + struct lpfc_iocbq ** fast_lookup; /* array of IOCB ptrs indexed by + iotag */ + struct list_head txq; + uint16_t txq_cnt; /* current length of queue */ + uint16_t txq_max; /* max length */ + struct list_head txcmplq; + uint16_t txcmplq_cnt; /* current length of queue */ + uint16_t txcmplq_max; /* max length */ + uint32_t *cmdringaddr; /* virtual address for cmd rings */ + uint32_t *rspringaddr; /* virtual address for rsp rings */ + uint32_t missbufcnt; /* keep track of buffers to post */ + struct list_head postbufq; + uint16_t postbufq_cnt; /* current length of queue */ + uint16_t postbufq_max; /* max length */ + struct list_head iocb_continueq; + uint16_t iocb_continueq_cnt; /* current length of queue */ + uint16_t iocb_continueq_max; /* max length */ + + struct lpfc_sli_ring_mask prt[LPFC_MAX_RING_MASK]; + uint32_t num_mask; /* number of mask entries in prt array */ + + struct lpfc_sli_ring_stat stats; /* SLI statistical info */ + + /* cmd ring available */ + void (*lpfc_sli_cmd_available) (struct lpfc_hba *, + struct lpfc_sli_ring *); +}; + +/* Structure used to hold SLI statistical counters and info */ +struct lpfc_sli_stat { + uint64_t mbox_stat_err; /* Mbox cmds completed status error */ + uint64_t mbox_cmd; /* Mailbox commands issued */ + uint64_t sli_intr; /* Count of Host Attention interrupts */ + uint32_t err_attn_event; /* Error Attn event counters */ + uint32_t link_event; /* Link event counters */ + uint32_t mbox_event; /* Mailbox event counters */ + uint32_t mbox_busy; /* Mailbox cmd busy */ +}; + +/* Structure used to hold SLI information */ +struct lpfc_sli { + uint32_t num_rings; + uint32_t sli_flag; + + /* Additional sli_flags */ +#define LPFC_SLI_MBOX_ACTIVE 0x100 /* HBA mailbox is currently active */ +#define LPFC_SLI2_ACTIVE 0x200 /* SLI2 overlay in firmware is active */ +#define LPFC_PROCESS_LA 0x400 /* Able to process link attention */ + + struct lpfc_sli_ring ring[LPFC_MAX_RING]; + int fcp_ring; /* ring used for FCP initiator commands */ + int next_ring; + + int ip_ring; /* ring used for IP network drv cmds */ + + struct lpfc_sli_stat slistat; /* SLI statistical info */ + struct list_head mboxq; + uint16_t mboxq_cnt; /* current length of queue */ + uint16_t mboxq_max; /* max length */ + LPFC_MBOXQ_t *mbox_active; /* active mboxq information */ + + struct timer_list mbox_tmo; /* Hold clk to timeout active mbox + cmd */ + + uint32_t *MBhostaddr; /* virtual address for mbox cmds */ +}; + +/* Given a pointer to the start of the ring, and the slot number of + * the desired iocb entry, calc a pointer to that entry. + * (assume iocb entry size is 32 bytes, or 8 words) + */ +#define IOCB_ENTRY(ring,slot) ((IOCB_t *)(((char *)(ring)) + ((slot) * 32))) + +#define LPFC_MBOX_TMO 30 /* Sec tmo for outstanding mbox + command */ diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h new file mode 100644 index 000000000000..dfacd8d82097 --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -0,0 +1,32 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_version.h 1.49 2005/04/13 15:07:19EDT sf_support Exp $ + */ + +#define LPFC_DRIVER_VERSION "8.0.28" + +#define LPFC_DRIVER_NAME "lpfc" + +#define LPFC_MODULE_DESC "Emulex LightPulse Fibre Channel SCSI driver " \ + LPFC_DRIVER_VERSION + +#define DFC_API_VERSION "0.0.0"