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be2iscsi: Fix updating the boot enteries in sysfs 

During port async event driver should check if there is any boot target
 configured on the adapter. Update sysfs enteries with the boot target
 parameters.

Signed-off-by: Minh Tran <minhduc.tran@emulex.com>
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Jayamohan Kallickal 2014-08-08 01:00:00 -04:00 committed by Christoph Hellwig
parent 65c5efa816
commit a3d313ea56
4 changed files with 62 additions and 2 deletions
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38
drivers/scsi/be2iscsi/be_cmds.c
View File

@ -275,6 +275,19 @@ bool is_link_state_evt(u32 trailer)
ASYNC_EVENT_CODE_LINK_STATE);
}
static bool is_iscsi_evt(u32 trailer)
{
return ((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
ASYNC_TRAILER_EVENT_CODE_MASK) ==
ASYNC_EVENT_CODE_ISCSI;
}
static int iscsi_evt_type(u32 trailer)
{
return (trailer >> ASYNC_TRAILER_EVENT_TYPE_SHIFT) &
ASYNC_TRAILER_EVENT_TYPE_MASK;
}
static inline bool be_mcc_compl_is_new(struct be_mcc_compl *compl)
{
if (compl->flags != 0) {
@ -438,7 +451,7 @@ void beiscsi_async_link_state_process(struct beiscsi_hba *phba,
} else if ((evt->port_link_status & ASYNC_EVENT_LINK_UP) ||
((evt->port_link_status & ASYNC_EVENT_LOGICAL) &&
(evt->port_fault == BEISCSI_PHY_LINK_FAULT_NONE))) {
phba->state = BE_ADAPTER_LINK_UP;
phba->state = BE_ADAPTER_LINK_UP | BE_ADAPTER_CHECK_BOOT;
beiscsi_log(phba, KERN_ERR,
BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT,
@ -461,7 +474,28 @@ int beiscsi_process_mcc(struct beiscsi_hba *phba)
/* Interpret compl as a async link evt */
beiscsi_async_link_state_process(phba,
(struct be_async_event_link_state *) compl);
else
else if (is_iscsi_evt(compl->flags)) {
switch (iscsi_evt_type(compl->flags)) {
case ASYNC_EVENT_NEW_ISCSI_TGT_DISC:
case ASYNC_EVENT_NEW_ISCSI_CONN:
case ASYNC_EVENT_NEW_TCP_CONN:
phba->state |= BE_ADAPTER_CHECK_BOOT;
beiscsi_log(phba, KERN_ERR,
BEISCSI_LOG_CONFIG |
BEISCSI_LOG_MBOX,
"BC_%d : Async iscsi Event,"
" flags handled = 0x%08x\n",
compl->flags);
break;
default:
beiscsi_log(phba, KERN_ERR,
BEISCSI_LOG_CONFIG |
BEISCSI_LOG_MBOX,
"BC_%d : Unsupported Async"
" Event, flags = 0x%08x\n",
compl->flags);
}
} else
beiscsi_log(phba, KERN_ERR,
BEISCSI_LOG_CONFIG |
BEISCSI_LOG_MBOX,

8
drivers/scsi/be2iscsi/be_cmds.h
View File

@ -118,6 +118,14 @@ struct be_mcc_compl {
#define ASYNC_TRAILER_EVENT_CODE_SHIFT 8 /* bits 8 - 15 */
#define ASYNC_TRAILER_EVENT_CODE_MASK 0xFF
#define ASYNC_EVENT_CODE_LINK_STATE 0x1
#define ASYNC_EVENT_CODE_ISCSI 0x4
#define ASYNC_TRAILER_EVENT_TYPE_SHIFT 16 /* bits 16 - 23 */
#define ASYNC_TRAILER_EVENT_TYPE_MASK 0xF
#define ASYNC_EVENT_NEW_ISCSI_TGT_DISC 0x4
#define ASYNC_EVENT_NEW_ISCSI_CONN 0x5
#define ASYNC_EVENT_NEW_TCP_CONN 0x7
struct be_async_event_trailer {
u32 code;
};

17
drivers/scsi/be2iscsi/be_main.c
View File

@ -4377,6 +4377,10 @@ static int beiscsi_setup_boot_info(struct beiscsi_hba *phba)
{
struct iscsi_boot_kobj *boot_kobj;
/* it has been created previously */
if (phba->boot_kset)
return 0;
/* get boot info using mgmt cmd */
if (beiscsi_get_boot_info(phba))
/* Try to see if we can carry on without this */
@ -5335,6 +5339,14 @@ static void be_eqd_update(struct beiscsi_hba *phba)
}
}
static void be_check_boot_session(struct beiscsi_hba *phba)
{
if (beiscsi_setup_boot_info(phba))
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
"BM_%d : Could not set up "
"iSCSI boot info on async event.\n");
}
/*
* beiscsi_hw_health_check()- Check adapter health
* @work: work item to check HW health
@ -5350,6 +5362,11 @@ beiscsi_hw_health_check(struct work_struct *work)
be_eqd_update(phba);
if (phba->state & BE_ADAPTER_CHECK_BOOT) {
phba->state &= ~BE_ADAPTER_CHECK_BOOT;
be_check_boot_session(phba);
}
beiscsi_ue_detect(phba);
schedule_delayed_work(&phba->beiscsi_hw_check_task,

1
drivers/scsi/be2iscsi/be_main.h
View File

@ -104,6 +104,7 @@
#define BE_ADAPTER_LINK_DOWN 0x002
#define BE_ADAPTER_PCI_ERR 0x004
#define BE_ADAPTER_STATE_SHUTDOWN 0x008
#define BE_ADAPTER_CHECK_BOOT 0x010
#define BEISCSI_CLEAN_UNLOAD 0x01