diff --git a/block/iscsi.c b/block/iscsi.c index 22888a0845..ac65277048 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -35,6 +35,10 @@ #include #include +#ifdef __linux__ +#include +#include +#endif typedef struct IscsiLun { struct iscsi_context *iscsi; @@ -56,6 +60,9 @@ typedef struct IscsiAIOCB { int canceled; size_t read_size; size_t read_offset; +#ifdef __linux__ + sg_io_hdr_t *ioh; +#endif } IscsiAIOCB; struct IscsiTask { @@ -515,6 +522,136 @@ iscsi_aio_discard(BlockDriverState *bs, return &acb->common; } +#ifdef __linux__ +static void +iscsi_aio_ioctl_cb(struct iscsi_context *iscsi, int status, + void *command_data, void *opaque) +{ + IscsiAIOCB *acb = opaque; + + if (acb->canceled != 0) { + qemu_aio_release(acb); + scsi_free_scsi_task(acb->task); + acb->task = NULL; + return; + } + + acb->status = 0; + if (status < 0) { + error_report("Failed to ioctl(SG_IO) to iSCSI lun. %s", + iscsi_get_error(iscsi)); + acb->status = -EIO; + } + + acb->ioh->driver_status = 0; + acb->ioh->host_status = 0; + acb->ioh->resid = 0; + +#define SG_ERR_DRIVER_SENSE 0x08 + + if (status == SCSI_STATUS_CHECK_CONDITION && acb->task->datain.size >= 2) { + int ss; + + acb->ioh->driver_status |= SG_ERR_DRIVER_SENSE; + + acb->ioh->sb_len_wr = acb->task->datain.size - 2; + ss = (acb->ioh->mx_sb_len >= acb->ioh->sb_len_wr) ? + acb->ioh->mx_sb_len : acb->ioh->sb_len_wr; + memcpy(acb->ioh->sbp, &acb->task->datain.data[2], ss); + } + + iscsi_schedule_bh(iscsi_readv_writev_bh_cb, acb); + scsi_free_scsi_task(acb->task); + acb->task = NULL; +} + +static BlockDriverAIOCB *iscsi_aio_ioctl(BlockDriverState *bs, + unsigned long int req, void *buf, + BlockDriverCompletionFunc *cb, void *opaque) +{ + IscsiLun *iscsilun = bs->opaque; + struct iscsi_context *iscsi = iscsilun->iscsi; + struct iscsi_data data; + IscsiAIOCB *acb; + + assert(req == SG_IO); + + acb = qemu_aio_get(&iscsi_aio_pool, bs, cb, opaque); + + acb->iscsilun = iscsilun; + acb->canceled = 0; + acb->buf = NULL; + acb->ioh = buf; + + acb->task = malloc(sizeof(struct scsi_task)); + if (acb->task == NULL) { + error_report("iSCSI: Failed to allocate task for scsi command. %s", + iscsi_get_error(iscsi)); + qemu_aio_release(acb); + return NULL; + } + memset(acb->task, 0, sizeof(struct scsi_task)); + + switch (acb->ioh->dxfer_direction) { + case SG_DXFER_TO_DEV: + acb->task->xfer_dir = SCSI_XFER_WRITE; + break; + case SG_DXFER_FROM_DEV: + acb->task->xfer_dir = SCSI_XFER_READ; + break; + default: + acb->task->xfer_dir = SCSI_XFER_NONE; + break; + } + + acb->task->cdb_size = acb->ioh->cmd_len; + memcpy(&acb->task->cdb[0], acb->ioh->cmdp, acb->ioh->cmd_len); + acb->task->expxferlen = acb->ioh->dxfer_len; + + if (acb->task->xfer_dir == SCSI_XFER_WRITE) { + data.data = acb->ioh->dxferp; + data.size = acb->ioh->dxfer_len; + } + if (iscsi_scsi_command_async(iscsi, iscsilun->lun, acb->task, + iscsi_aio_ioctl_cb, + (acb->task->xfer_dir == SCSI_XFER_WRITE) ? + &data : NULL, + acb) != 0) { + scsi_free_scsi_task(acb->task); + qemu_aio_release(acb); + return NULL; + } + + /* tell libiscsi to read straight into the buffer we got from ioctl */ + if (acb->task->xfer_dir == SCSI_XFER_READ) { + scsi_task_add_data_in_buffer(acb->task, + acb->ioh->dxfer_len, + acb->ioh->dxferp); + } + + iscsi_set_events(iscsilun); + + return &acb->common; +} + +static int iscsi_ioctl(BlockDriverState *bs, unsigned long int req, void *buf) +{ + IscsiLun *iscsilun = bs->opaque; + + switch (req) { + case SG_GET_VERSION_NUM: + *(int *)buf = 30000; + break; + case SG_GET_SCSI_ID: + ((struct sg_scsi_id *)buf)->scsi_type = iscsilun->type; + break; + default: + return -1; + } + return 0; +} +#endif + static int64_t iscsi_getlength(BlockDriverState *bs) { @@ -885,6 +1022,16 @@ static int iscsi_open(BlockDriverState *bs, const char *filename, int flags) if (iscsi_url != NULL) { iscsi_destroy_url(iscsi_url); } + + /* Medium changer or tape. We dont have any emulation for this so this must + * be sg ioctl compatible. We force it to be sg, otherwise qemu will try + * to read from the device to guess the image format. + */ + if (iscsilun->type == TYPE_MEDIUM_CHANGER || + iscsilun->type == TYPE_TAPE) { + bs->sg = 1; + } + return 0; failed: @@ -926,6 +1073,11 @@ static BlockDriver bdrv_iscsi = { .bdrv_aio_flush = iscsi_aio_flush, .bdrv_aio_discard = iscsi_aio_discard, + +#ifdef __linux__ + .bdrv_ioctl = iscsi_ioctl, + .bdrv_aio_ioctl = iscsi_aio_ioctl, +#endif }; static void iscsi_block_init(void) diff --git a/default-configs/pci.mak b/default-configs/pci.mak index 9d3e1dbda1..4b49c0012b 100644 --- a/default-configs/pci.mak +++ b/default-configs/pci.mak @@ -10,6 +10,7 @@ CONFIG_EEPRO100_PCI=y CONFIG_PCNET_PCI=y CONFIG_PCNET_COMMON=y CONFIG_LSI_SCSI_PCI=y +CONFIG_MEGASAS_SCSI_PCI=y CONFIG_RTL8139_PCI=y CONFIG_E1000_PCI=y CONFIG_IDE_CORE=y diff --git a/hw/Makefile.objs b/hw/Makefile.objs index 3d7725934f..9a350deafb 100644 --- a/hw/Makefile.objs +++ b/hw/Makefile.objs @@ -86,6 +86,7 @@ hw-obj-$(CONFIG_OPENCORES_ETH) += opencores_eth.o # SCSI layer hw-obj-$(CONFIG_LSI_SCSI_PCI) += lsi53c895a.o +hw-obj-$(CONFIG_MEGASAS_SCSI_PCI) += megasas.o hw-obj-$(CONFIG_ESP) += esp.o hw-obj-y += sysbus.o isa-bus.o diff --git a/hw/ide/atapi.c b/hw/ide/atapi.c index 5919cf52d8..f7f714c726 100644 --- a/hw/ide/atapi.c +++ b/hw/ide/atapi.c @@ -956,6 +956,36 @@ static void cmd_read_cdvd_capacity(IDEState *s, uint8_t* buf) ide_atapi_cmd_reply(s, 8, 8); } +static void cmd_read_disc_information(IDEState *s, uint8_t* buf) +{ + uint8_t type = buf[1] & 7; + uint32_t max_len = ube16_to_cpu(buf + 7); + + /* Types 1/2 are only defined for Blu-Ray. */ + if (type != 0) { + ide_atapi_cmd_error(s, ILLEGAL_REQUEST, + ASC_INV_FIELD_IN_CMD_PACKET); + return; + } + + memset(buf, 0, 34); + buf[1] = 32; + buf[2] = 0xe; /* last session complete, disc finalized */ + buf[3] = 1; /* first track on disc */ + buf[4] = 1; /* # of sessions */ + buf[5] = 1; /* first track of last session */ + buf[6] = 1; /* last track of last session */ + buf[7] = 0x20; /* unrestricted use */ + buf[8] = 0x00; /* CD-ROM or DVD-ROM */ + /* 9-10-11: most significant byte corresponding bytes 4-5-6 */ + /* 12-23: not meaningful for CD-ROM or DVD-ROM */ + /* 24-31: disc bar code */ + /* 32: disc application code */ + /* 33: number of OPC tables */ + + ide_atapi_cmd_reply(s, 34, max_len); +} + static void cmd_read_dvd_structure(IDEState *s, uint8_t* buf) { int max_len; @@ -1045,6 +1075,7 @@ static const struct { [ 0x43 ] = { cmd_read_toc_pma_atip, CHECK_READY }, [ 0x46 ] = { cmd_get_configuration, ALLOW_UA }, [ 0x4a ] = { cmd_get_event_status_notification, ALLOW_UA }, + [ 0x51 ] = { cmd_read_disc_information, CHECK_READY }, [ 0x5a ] = { cmd_mode_sense, /* (10) */ 0 }, [ 0xa8 ] = { cmd_read, /* (12) */ CHECK_READY }, [ 0xad ] = { cmd_read_dvd_structure, CHECK_READY }, diff --git a/hw/megasas.c b/hw/megasas.c new file mode 100644 index 0000000000..b48836fff1 --- /dev/null +++ b/hw/megasas.c @@ -0,0 +1,2198 @@ +/* + * QEMU MegaRAID SAS 8708EM2 Host Bus Adapter emulation + * Based on the linux driver code at drivers/scsi/megaraid + * + * Copyright (c) 2009-2012 Hannes Reinecke, SUSE Labs + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see . + */ + +#include "hw.h" +#include "pci.h" +#include "dma.h" +#include "msix.h" +#include "iov.h" +#include "scsi.h" +#include "scsi-defs.h" +#include "block_int.h" +#include "trace.h" + +#include "mfi.h" + +#define MEGASAS_VERSION "1.70" +#define MEGASAS_MAX_FRAMES 2048 /* Firmware limit at 65535 */ +#define MEGASAS_DEFAULT_FRAMES 1000 /* Windows requires this */ +#define MEGASAS_MAX_SGE 128 /* Firmware limit */ +#define MEGASAS_DEFAULT_SGE 80 +#define MEGASAS_MAX_SECTORS 0xFFFF /* No real limit */ +#define MEGASAS_MAX_ARRAYS 128 + +#define MEGASAS_FLAG_USE_JBOD 0 +#define MEGASAS_MASK_USE_JBOD (1 << MEGASAS_FLAG_USE_JBOD) +#define MEGASAS_FLAG_USE_MSIX 1 +#define MEGASAS_MASK_USE_MSIX (1 << MEGASAS_FLAG_USE_MSIX) +#define MEGASAS_FLAG_USE_QUEUE64 2 +#define MEGASAS_MASK_USE_QUEUE64 (1 << MEGASAS_FLAG_USE_QUEUE64) + +const char *mfi_frame_desc[] = { + "MFI init", "LD Read", "LD Write", "LD SCSI", "PD SCSI", + "MFI Doorbell", "MFI Abort", "MFI SMP", "MFI Stop"}; + +typedef struct MegasasCmd { + uint32_t index; + uint16_t flags; + uint16_t count; + uint64_t context; + + target_phys_addr_t pa; + target_phys_addr_t pa_size; + union mfi_frame *frame; + SCSIRequest *req; + QEMUSGList qsg; + void *iov_buf; + size_t iov_size; + size_t iov_offset; + struct MegasasState *state; +} MegasasCmd; + +typedef struct MegasasState { + PCIDevice dev; + MemoryRegion mmio_io; + MemoryRegion port_io; + MemoryRegion queue_io; + uint32_t frame_hi; + + int fw_state; + uint32_t fw_sge; + uint32_t fw_cmds; + uint32_t flags; + int fw_luns; + int intr_mask; + int doorbell; + int busy; + + MegasasCmd *event_cmd; + int event_locale; + int event_class; + int event_count; + int shutdown_event; + int boot_event; + + uint64_t reply_queue_pa; + void *reply_queue; + int reply_queue_len; + int reply_queue_head; + int reply_queue_tail; + uint64_t consumer_pa; + uint64_t producer_pa; + + MegasasCmd frames[MEGASAS_MAX_FRAMES]; + + SCSIBus bus; +} MegasasState; + +#define MEGASAS_INTR_DISABLED_MASK 0xFFFFFFFF + +static bool megasas_intr_enabled(MegasasState *s) +{ + if ((s->intr_mask & MEGASAS_INTR_DISABLED_MASK) != + MEGASAS_INTR_DISABLED_MASK) { + return true; + } + return false; +} + +static bool megasas_use_queue64(MegasasState *s) +{ + return s->flags & MEGASAS_MASK_USE_QUEUE64; +} + +static bool megasas_use_msix(MegasasState *s) +{ + return s->flags & MEGASAS_MASK_USE_MSIX; +} + +static bool megasas_is_jbod(MegasasState *s) +{ + return s->flags & MEGASAS_MASK_USE_JBOD; +} + +static void megasas_frame_set_cmd_status(unsigned long frame, uint8_t v) +{ + stb_phys(frame + offsetof(struct mfi_frame_header, cmd_status), v); +} + +static void megasas_frame_set_scsi_status(unsigned long frame, uint8_t v) +{ + stb_phys(frame + offsetof(struct mfi_frame_header, scsi_status), v); +} + +/* + * Context is considered opaque, but the HBA firmware is running + * in little endian mode. So convert it to little endian, too. + */ +static uint64_t megasas_frame_get_context(unsigned long frame) +{ + return ldq_le_phys(frame + offsetof(struct mfi_frame_header, context)); +} + +static bool megasas_frame_is_ieee_sgl(MegasasCmd *cmd) +{ + return cmd->flags & MFI_FRAME_IEEE_SGL; +} + +static bool megasas_frame_is_sgl64(MegasasCmd *cmd) +{ + return cmd->flags & MFI_FRAME_SGL64; +} + +static bool megasas_frame_is_sense64(MegasasCmd *cmd) +{ + return cmd->flags & MFI_FRAME_SENSE64; +} + +static uint64_t megasas_sgl_get_addr(MegasasCmd *cmd, + union mfi_sgl *sgl) +{ + uint64_t addr; + + if (megasas_frame_is_ieee_sgl(cmd)) { + addr = le64_to_cpu(sgl->sg_skinny->addr); + } else if (megasas_frame_is_sgl64(cmd)) { + addr = le64_to_cpu(sgl->sg64->addr); + } else { + addr = le32_to_cpu(sgl->sg32->addr); + } + return addr; +} + +static uint32_t megasas_sgl_get_len(MegasasCmd *cmd, + union mfi_sgl *sgl) +{ + uint32_t len; + + if (megasas_frame_is_ieee_sgl(cmd)) { + len = le32_to_cpu(sgl->sg_skinny->len); + } else if (megasas_frame_is_sgl64(cmd)) { + len = le32_to_cpu(sgl->sg64->len); + } else { + len = le32_to_cpu(sgl->sg32->len); + } + return len; +} + +static union mfi_sgl *megasas_sgl_next(MegasasCmd *cmd, + union mfi_sgl *sgl) +{ + uint8_t *next = (uint8_t *)sgl; + + if (megasas_frame_is_ieee_sgl(cmd)) { + next += sizeof(struct mfi_sg_skinny); + } else if (megasas_frame_is_sgl64(cmd)) { + next += sizeof(struct mfi_sg64); + } else { + next += sizeof(struct mfi_sg32); + } + + if (next >= (uint8_t *)cmd->frame + cmd->pa_size) { + return NULL; + } + return (union mfi_sgl *)next; +} + +static void megasas_soft_reset(MegasasState *s); + +static int megasas_map_sgl(MegasasState *s, MegasasCmd *cmd, union mfi_sgl *sgl) +{ + int i; + int iov_count = 0; + size_t iov_size = 0; + + cmd->flags = le16_to_cpu(cmd->frame->header.flags); + iov_count = cmd->frame->header.sge_count; + if (iov_count > MEGASAS_MAX_SGE) { + trace_megasas_iovec_sgl_overflow(cmd->index, iov_count, + MEGASAS_MAX_SGE); + return iov_count; + } + qemu_sglist_init(&cmd->qsg, iov_count, pci_dma_context(&s->dev)); + for (i = 0; i < iov_count; i++) { + dma_addr_t iov_pa, iov_size_p; + + if (!sgl) { + trace_megasas_iovec_sgl_underflow(cmd->index, i); + goto unmap; + } + iov_pa = megasas_sgl_get_addr(cmd, sgl); + iov_size_p = megasas_sgl_get_len(cmd, sgl); + if (!iov_pa || !iov_size_p) { + trace_megasas_iovec_sgl_invalid(cmd->index, i, + iov_pa, iov_size_p); + goto unmap; + } + qemu_sglist_add(&cmd->qsg, iov_pa, iov_size_p); + sgl = megasas_sgl_next(cmd, sgl); + iov_size += (size_t)iov_size_p; + } + if (cmd->iov_size > iov_size) { + trace_megasas_iovec_overflow(cmd->index, iov_size, cmd->iov_size); + } else if (cmd->iov_size < iov_size) { + trace_megasas_iovec_underflow(cmd->iov_size, iov_size, cmd->iov_size); + } + cmd->iov_offset = 0; + return 0; +unmap: + qemu_sglist_destroy(&cmd->qsg); + return iov_count - i; +} + +static void megasas_unmap_sgl(MegasasCmd *cmd) +{ + qemu_sglist_destroy(&cmd->qsg); + cmd->iov_offset = 0; +} + +/* + * passthrough sense and io sense are at the same offset + */ +static int megasas_build_sense(MegasasCmd *cmd, uint8_t *sense_ptr, + uint8_t sense_len) +{ + uint32_t pa_hi = 0, pa_lo; + target_phys_addr_t pa; + + if (sense_len > cmd->frame->header.sense_len) { + sense_len = cmd->frame->header.sense_len; + } + if (sense_len) { + pa_lo = le32_to_cpu(cmd->frame->pass.sense_addr_lo); + if (megasas_frame_is_sense64(cmd)) { + pa_hi = le32_to_cpu(cmd->frame->pass.sense_addr_hi); + } + pa = ((uint64_t) pa_hi << 32) | pa_lo; + cpu_physical_memory_write(pa, sense_ptr, sense_len); + cmd->frame->header.sense_len = sense_len; + } + return sense_len; +} + +static void megasas_write_sense(MegasasCmd *cmd, SCSISense sense) +{ + uint8_t sense_buf[SCSI_SENSE_BUF_SIZE]; + uint8_t sense_len = 18; + + memset(sense_buf, 0, sense_len); + sense_buf[0] = 0xf0; + sense_buf[2] = sense.key; + sense_buf[7] = 10; + sense_buf[12] = sense.asc; + sense_buf[13] = sense.ascq; + megasas_build_sense(cmd, sense_buf, sense_len); +} + +static void megasas_copy_sense(MegasasCmd *cmd) +{ + uint8_t sense_buf[SCSI_SENSE_BUF_SIZE]; + uint8_t sense_len; + + sense_len = scsi_req_get_sense(cmd->req, sense_buf, + SCSI_SENSE_BUF_SIZE); + megasas_build_sense(cmd, sense_buf, sense_len); +} + +/* + * Format an INQUIRY CDB + */ +static int megasas_setup_inquiry(uint8_t *cdb, int pg, int len) +{ + memset(cdb, 0, 6); + cdb[0] = INQUIRY; + if (pg > 0) { + cdb[1] = 0x1; + cdb[2] = pg; + } + cdb[3] = (len >> 8) & 0xff; + cdb[4] = (len & 0xff); + return len; +} + +/* + * Encode lba and len into a READ_16/WRITE_16 CDB + */ +static void megasas_encode_lba(uint8_t *cdb, uint64_t lba, + uint32_t len, bool is_write) +{ + memset(cdb, 0x0, 16); + if (is_write) { + cdb[0] = WRITE_16; + } else { + cdb[0] = READ_16; + } + cdb[2] = (lba >> 56) & 0xff; + cdb[3] = (lba >> 48) & 0xff; + cdb[4] = (lba >> 40) & 0xff; + cdb[5] = (lba >> 32) & 0xff; + cdb[6] = (lba >> 24) & 0xff; + cdb[7] = (lba >> 16) & 0xff; + cdb[8] = (lba >> 8) & 0xff; + cdb[9] = (lba) & 0xff; + cdb[10] = (len >> 24) & 0xff; + cdb[11] = (len >> 16) & 0xff; + cdb[12] = (len >> 8) & 0xff; + cdb[13] = (len) & 0xff; +} + +/* + * Utility functions + */ +static uint64_t megasas_fw_time(void) +{ + struct tm curtime; + uint64_t bcd_time; + + qemu_get_timedate(&curtime, 0); + bcd_time = ((uint64_t)curtime.tm_sec & 0xff) << 48 | + ((uint64_t)curtime.tm_min & 0xff) << 40 | + ((uint64_t)curtime.tm_hour & 0xff) << 32 | + ((uint64_t)curtime.tm_mday & 0xff) << 24 | + ((uint64_t)curtime.tm_mon & 0xff) << 16 | + ((uint64_t)(curtime.tm_year + 1900) & 0xffff); + + return bcd_time; +} + +static uint64_t megasas_gen_sas_addr(uint64_t id) +{ + uint64_t addr; + + addr = 0x5001a4aULL << 36; + addr |= id & 0xfffffffff; + + return addr; +} + +/* + * Frame handling + */ +static int megasas_next_index(MegasasState *s, int index, int limit) +{ + index++; + if (index == limit) { + index = 0; + } + return index; +} + +static MegasasCmd *megasas_lookup_frame(MegasasState *s, + target_phys_addr_t frame) +{ + MegasasCmd *cmd = NULL; + int num = 0, index; + + index = s->reply_queue_head; + + while (num < s->fw_cmds) { + if (s->frames[index].pa && s->frames[index].pa == frame) { + cmd = &s->frames[index]; + break; + } + index = megasas_next_index(s, index, s->fw_cmds); + num++; + } + + return cmd; +} + +static MegasasCmd *megasas_next_frame(MegasasState *s, + target_phys_addr_t frame) +{ + MegasasCmd *cmd = NULL; + int num = 0, index; + + cmd = megasas_lookup_frame(s, frame); + if (cmd) { + trace_megasas_qf_found(cmd->index, cmd->pa); + return cmd; + } + index = s->reply_queue_head; + num = 0; + while (num < s->fw_cmds) { + if (!s->frames[index].pa) { + cmd = &s->frames[index]; + break; + } + index = megasas_next_index(s, index, s->fw_cmds); + num++; + } + if (!cmd) { + trace_megasas_qf_failed(frame); + } + trace_megasas_qf_new(index, cmd); + return cmd; +} + +static MegasasCmd *megasas_enqueue_frame(MegasasState *s, + target_phys_addr_t frame, uint64_t context, int count) +{ + MegasasCmd *cmd = NULL; + int frame_size = MFI_FRAME_SIZE * 16; + target_phys_addr_t frame_size_p = frame_size; + + cmd = megasas_next_frame(s, frame); + /* All frames busy */ + if (!cmd) { + return NULL; + } + if (!cmd->pa) { + cmd->pa = frame; + /* Map all possible frames */ + cmd->frame = cpu_physical_memory_map(frame, &frame_size_p, 0); + if (frame_size_p != frame_size) { + trace_megasas_qf_map_failed(cmd->index, (unsigned long)frame); + if (cmd->frame) { + cpu_physical_memory_unmap(cmd->frame, frame_size_p, 0, 0); + cmd->frame = NULL; + cmd->pa = 0; + } + s->event_count++; + return NULL; + } + cmd->pa_size = frame_size_p; + cmd->context = context; + if (!megasas_use_queue64(s)) { + cmd->context &= (uint64_t)0xFFFFFFFF; + } + } + cmd->count = count; + s->busy++; + + trace_megasas_qf_enqueue(cmd->index, cmd->count, cmd->context, + s->reply_queue_head, s->busy); + + return cmd; +} + +static void megasas_complete_frame(MegasasState *s, uint64_t context) +{ + int tail, queue_offset; + + /* Decrement busy count */ + s->busy--; + + if (s->reply_queue_pa) { + /* + * Put command on the reply queue. + * Context is opaque, but emulation is running in + * little endian. So convert it. + */ + tail = s->reply_queue_head; + if (megasas_use_queue64(s)) { + queue_offset = tail * sizeof(uint64_t); + stq_le_phys(s->reply_queue_pa + queue_offset, context); + } else { + queue_offset = tail * sizeof(uint32_t); + stl_le_phys(s->reply_queue_pa + queue_offset, context); + } + s->reply_queue_head = megasas_next_index(s, tail, s->fw_cmds); + trace_megasas_qf_complete(context, tail, queue_offset, + s->busy, s->doorbell); + } + + if (megasas_intr_enabled(s)) { + /* Notify HBA */ + s->doorbell++; + if (s->doorbell == 1) { + if (msix_enabled(&s->dev)) { + trace_megasas_msix_raise(0); + msix_notify(&s->dev, 0); + } else { + trace_megasas_irq_raise(); + qemu_irq_raise(s->dev.irq[0]); + } + } + } else { + trace_megasas_qf_complete_noirq(context); + } +} + +static void megasas_reset_frames(MegasasState *s) +{ + int i; + MegasasCmd *cmd; + + for (i = 0; i < s->fw_cmds; i++) { + cmd = &s->frames[i]; + if (cmd->pa) { + cpu_physical_memory_unmap(cmd->frame, cmd->pa_size, 0, 0); + cmd->frame = NULL; + cmd->pa = 0; + } + } +} + +static void megasas_abort_command(MegasasCmd *cmd) +{ + if (cmd->req) { + scsi_req_abort(cmd->req, ABORTED_COMMAND); + cmd->req = NULL; + } +} + +static int megasas_init_firmware(MegasasState *s, MegasasCmd *cmd) +{ + uint32_t pa_hi, pa_lo; + target_phys_addr_t iq_pa, initq_size; + struct mfi_init_qinfo *initq; + uint32_t flags; + int ret = MFI_STAT_OK; + + pa_lo = le32_to_cpu(cmd->frame->init.qinfo_new_addr_lo); + pa_hi = le32_to_cpu(cmd->frame->init.qinfo_new_addr_hi); + iq_pa = (((uint64_t) pa_hi << 32) | pa_lo); + trace_megasas_init_firmware((uint64_t)iq_pa); + initq_size = sizeof(*initq); + initq = cpu_physical_memory_map(iq_pa, &initq_size, 0); + if (!initq || initq_size != sizeof(*initq)) { + trace_megasas_initq_map_failed(cmd->index); + s->event_count++; + ret = MFI_STAT_MEMORY_NOT_AVAILABLE; + goto out; + } + s->reply_queue_len = le32_to_cpu(initq->rq_entries) & 0xFFFF; + if (s->reply_queue_len > s->fw_cmds) { + trace_megasas_initq_mismatch(s->reply_queue_len, s->fw_cmds); + s->event_count++; + ret = MFI_STAT_INVALID_PARAMETER; + goto out; + } + pa_lo = le32_to_cpu(initq->rq_addr_lo); + pa_hi = le32_to_cpu(initq->rq_addr_hi); + s->reply_queue_pa = ((uint64_t) pa_hi << 32) | pa_lo; + pa_lo = le32_to_cpu(initq->ci_addr_lo); + pa_hi = le32_to_cpu(initq->ci_addr_hi); + s->consumer_pa = ((uint64_t) pa_hi << 32) | pa_lo; + pa_lo = le32_to_cpu(initq->pi_addr_lo); + pa_hi = le32_to_cpu(initq->pi_addr_hi); + s->producer_pa = ((uint64_t) pa_hi << 32) | pa_lo; + s->reply_queue_head = ldl_le_phys(s->producer_pa); + s->reply_queue_tail = ldl_le_phys(s->consumer_pa); + flags = le32_to_cpu(initq->flags); + if (flags & MFI_QUEUE_FLAG_CONTEXT64) { + s->flags |= MEGASAS_MASK_USE_QUEUE64; + } + trace_megasas_init_queue((unsigned long)s->reply_queue_pa, + s->reply_queue_len, s->reply_queue_head, + s->reply_queue_tail, flags); + megasas_reset_frames(s); + s->fw_state = MFI_FWSTATE_OPERATIONAL; +out: + if (initq) { + cpu_physical_memory_unmap(initq, initq_size, 0, 0); + } + return ret; +} + +static int megasas_map_dcmd(MegasasState *s, MegasasCmd *cmd) +{ + dma_addr_t iov_pa, iov_size; + + cmd->flags = le16_to_cpu(cmd->frame->header.flags); + if (!cmd->frame->header.sge_count) { + trace_megasas_dcmd_zero_sge(cmd->index); + cmd->iov_size = 0; + return 0; + } else if (cmd->frame->header.sge_count > 1) { + trace_megasas_dcmd_invalid_sge(cmd->index, + cmd->frame->header.sge_count); + cmd->iov_size = 0; + return -1; + } + iov_pa = megasas_sgl_get_addr(cmd, &cmd->frame->dcmd.sgl); + iov_size = megasas_sgl_get_len(cmd, &cmd->frame->dcmd.sgl); + qemu_sglist_init(&cmd->qsg, 1, pci_dma_context(&s->dev)); + qemu_sglist_add(&cmd->qsg, iov_pa, iov_size); + cmd->iov_size = iov_size; + return cmd->iov_size; +} + +static void megasas_finish_dcmd(MegasasCmd *cmd, uint32_t iov_size) +{ + trace_megasas_finish_dcmd(cmd->index, iov_size); + + if (cmd->frame->header.sge_count) { + qemu_sglist_destroy(&cmd->qsg); + } + if (iov_size > cmd->iov_size) { + if (megasas_frame_is_ieee_sgl(cmd)) { + cmd->frame->dcmd.sgl.sg_skinny->len = cpu_to_le32(iov_size); + } else if (megasas_frame_is_sgl64(cmd)) { + cmd->frame->dcmd.sgl.sg64->len = cpu_to_le32(iov_size); + } else { + cmd->frame->dcmd.sgl.sg32->len = cpu_to_le32(iov_size); + } + } + cmd->iov_size = 0; + return; +} + +static int megasas_ctrl_get_info(MegasasState *s, MegasasCmd *cmd) +{ + struct mfi_ctrl_info info; + size_t dcmd_size = sizeof(info); + BusChild *kid; + int num_ld_disks = 0; + + QTAILQ_FOREACH(kid, &s->bus.qbus.children, sibling) { + num_ld_disks++; + } + + memset(&info, 0x0, cmd->iov_size); + if (cmd->iov_size < dcmd_size) { + trace_megasas_dcmd_invalid_xfer_len(cmd->index, cmd->iov_size, + dcmd_size); + return MFI_STAT_INVALID_PARAMETER; + } + + info.pci.vendor = cpu_to_le16(PCI_VENDOR_ID_LSI_LOGIC); + info.pci.device = cpu_to_le16(PCI_DEVICE_ID_LSI_SAS1078); + info.pci.subvendor = cpu_to_le16(PCI_VENDOR_ID_LSI_LOGIC); + info.pci.subdevice = cpu_to_le16(0x1013); + + info.host.type = MFI_INFO_HOST_PCIX; + info.device.type = MFI_INFO_DEV_SAS3G; + info.device.port_count = 2; + info.device.port_addr[0] = cpu_to_le64(megasas_gen_sas_addr((uint64_t)s)); + + memcpy(info.product_name, "MegaRAID SAS 8708EM2", 20); + snprintf(info.serial_number, 32, "QEMU%08lx", + (unsigned long)s & 0xFFFFFFFF); + snprintf(info.package_version, 0x60, "%s-QEMU", QEMU_VERSION); + memcpy(info.image_component[0].name, "APP", 3); + memcpy(info.image_component[0].version, MEGASAS_VERSION "-QEMU", 9); + memcpy(info.image_component[0].build_date, __DATE__, 11); + memcpy(info.image_component[0].build_time, __TIME__, 8); + info.image_component_count = 1; + if (s->dev.has_rom) { + uint8_t biosver[32]; + uint8_t *ptr; + + ptr = memory_region_get_ram_ptr(&s->dev.rom); + memcpy(biosver, ptr + 0x41, 31); + qemu_put_ram_ptr(ptr); + memcpy(info.image_component[1].name, "BIOS", 4); + memcpy(info.image_component[1].version, biosver, + strlen((const char *)biosver)); + info.image_component_count++; + } + info.current_fw_time = cpu_to_le32(megasas_fw_time()); + info.max_arms = 32; + info.max_spans = 8; + info.max_arrays = MEGASAS_MAX_ARRAYS; + info.max_lds = s->fw_luns; + info.max_cmds = cpu_to_le16(s->fw_cmds); + info.max_sg_elements = cpu_to_le16(s->fw_sge); + info.max_request_size = cpu_to_le32(MEGASAS_MAX_SECTORS); + info.lds_present = cpu_to_le16(num_ld_disks); + info.pd_present = cpu_to_le16(num_ld_disks); + info.pd_disks_present = cpu_to_le16(num_ld_disks); + info.hw_present = cpu_to_le32(MFI_INFO_HW_NVRAM | + MFI_INFO_HW_MEM | + MFI_INFO_HW_FLASH); + info.memory_size = cpu_to_le16(512); + info.nvram_size = cpu_to_le16(32); + info.flash_size = cpu_to_le16(16); + info.raid_levels = cpu_to_le32(MFI_INFO_RAID_0); + info.adapter_ops = cpu_to_le32(MFI_INFO_AOPS_RBLD_RATE | + MFI_INFO_AOPS_SELF_DIAGNOSTIC | + MFI_INFO_AOPS_MIXED_ARRAY); + info.ld_ops = cpu_to_le32(MFI_INFO_LDOPS_DISK_CACHE_POLICY | + MFI_INFO_LDOPS_ACCESS_POLICY | + MFI_INFO_LDOPS_IO_POLICY | + MFI_INFO_LDOPS_WRITE_POLICY | + MFI_INFO_LDOPS_READ_POLICY); + info.max_strips_per_io = cpu_to_le16(s->fw_sge); + info.stripe_sz_ops.min = 3; + info.stripe_sz_ops.max = ffs(MEGASAS_MAX_SECTORS + 1) - 1; + info.properties.pred_fail_poll_interval = cpu_to_le16(300); + info.properties.intr_throttle_cnt = cpu_to_le16(16); + info.properties.intr_throttle_timeout = cpu_to_le16(50); + info.properties.rebuild_rate = 30; + info.properties.patrol_read_rate = 30; + info.properties.bgi_rate = 30; + info.properties.cc_rate = 30; + info.properties.recon_rate = 30; + info.properties.cache_flush_interval = 4; + info.properties.spinup_drv_cnt = 2; + info.properties.spinup_delay = 6; + info.properties.ecc_bucket_size = 15; + info.properties.ecc_bucket_leak_rate = cpu_to_le16(1440); + info.properties.expose_encl_devices = 1; + info.properties.OnOffProperties = cpu_to_le32(MFI_CTRL_PROP_EnableJBOD); + info.pd_ops = cpu_to_le32(MFI_INFO_PDOPS_FORCE_ONLINE | + MFI_INFO_PDOPS_FORCE_OFFLINE); + info.pd_mix_support = cpu_to_le32(MFI_INFO_PDMIX_SAS | + MFI_INFO_PDMIX_SATA | + MFI_INFO_PDMIX_LD); + + cmd->iov_size -= dma_buf_read((uint8_t *)&info, dcmd_size, &cmd->qsg); + return MFI_STAT_OK; +} + +static int megasas_mfc_get_defaults(MegasasState *s, MegasasCmd *cmd) +{ + struct mfi_defaults info; + size_t dcmd_size = sizeof(struct mfi_defaults); + + memset(&info, 0x0, dcmd_size); + if (cmd->iov_size < dcmd_size) { + trace_megasas_dcmd_invalid_xfer_len(cmd->index, cmd->iov_size, + dcmd_size); + return MFI_STAT_INVALID_PARAMETER; + } + + info.sas_addr = cpu_to_le64(megasas_gen_sas_addr((uint64_t)s)); + info.stripe_size = 3; + info.flush_time = 4; + info.background_rate = 30; + info.allow_mix_in_enclosure = 1; + info.allow_mix_in_ld = 1; + info.direct_pd_mapping = 1; + /* Enable for BIOS support */ + info.bios_enumerate_lds = 1; + info.disable_ctrl_r = 1; + info.expose_enclosure_devices = 1; + info.disable_preboot_cli = 1; + info.cluster_disable = 1; + + cmd->iov_size -= dma_buf_read((uint8_t *)&info, dcmd_size, &cmd->qsg); + return MFI_STAT_OK; +} + +static int megasas_dcmd_get_bios_info(MegasasState *s, MegasasCmd *cmd) +{ + struct mfi_bios_data info; + size_t dcmd_size = sizeof(info); + + memset(&info, 0x0, dcmd_size); + if (cmd->iov_size < dcmd_size) { + trace_megasas_dcmd_invalid_xfer_len(cmd->index, cmd->iov_size, + dcmd_size); + return MFI_STAT_INVALID_PARAMETER; + } + info.continue_on_error = 1; + info.verbose = 1; + if (megasas_is_jbod(s)) { + info.expose_all_drives = 1; + } + + cmd->iov_size -= dma_buf_read((uint8_t *)&info, dcmd_size, &cmd->qsg); + return MFI_STAT_OK; +} + +static int megasas_dcmd_get_fw_time(MegasasState *s, MegasasCmd *cmd) +{ + uint64_t fw_time; + size_t dcmd_size = sizeof(fw_time); + + fw_time = cpu_to_le64(megasas_fw_time()); + + cmd->iov_size -= dma_buf_read((uint8_t *)&fw_time, dcmd_size, &cmd->qsg); + return MFI_STAT_OK; +} + +static int megasas_dcmd_set_fw_time(MegasasState *s, MegasasCmd *cmd) +{ + uint64_t fw_time; + + /* This is a dummy; setting of firmware time is not allowed */ + memcpy(&fw_time, cmd->frame->dcmd.mbox, sizeof(fw_time)); + + trace_megasas_dcmd_set_fw_time(cmd->index, fw_time); + fw_time = cpu_to_le64(megasas_fw_time()); + return MFI_STAT_OK; +} + +static int megasas_event_info(MegasasState *s, MegasasCmd *cmd) +{ + struct mfi_evt_log_state info; + size_t dcmd_size = sizeof(info); + + memset(&info, 0, dcmd_size); + + info.newest_seq_num = cpu_to_le32(s->event_count); + info.shutdown_seq_num = cpu_to_le32(s->shutdown_event); + info.boot_seq_num = cpu_to_le32(s->boot_event); + + cmd->iov_size -= dma_buf_read((uint8_t *)&info, dcmd_size, &cmd->qsg); + return MFI_STAT_OK; +} + +static int megasas_event_wait(MegasasState *s, MegasasCmd *cmd) +{ + union mfi_evt event; + + if (cmd->iov_size < sizeof(struct mfi_evt_detail)) { + trace_megasas_dcmd_invalid_xfer_len(cmd->index, cmd->iov_size, + sizeof(struct mfi_evt_detail)); + return MFI_STAT_INVALID_PARAMETER; + } + s->event_count = cpu_to_le32(cmd->frame->dcmd.mbox[0]); + event.word = cpu_to_le32(cmd->frame->dcmd.mbox[4]); + s->event_locale = event.members.locale; + s->event_class = event.members.class; + s->event_cmd = cmd; + /* Decrease busy count; event frame doesn't count here */ + s->busy--; + cmd->iov_size = sizeof(struct mfi_evt_detail); + return MFI_STAT_INVALID_STATUS; +} + +static int megasas_dcmd_pd_get_list(MegasasState *s, MegasasCmd *cmd) +{ + struct mfi_pd_list info; + size_t dcmd_size = sizeof(info); + BusChild *kid; + uint32_t offset, dcmd_limit, num_pd_disks = 0, max_pd_disks; + uint16_t sdev_id; + + memset(&info, 0, dcmd_size); + offset = 8; + dcmd_limit = offset + sizeof(struct mfi_pd_address); + if (cmd->iov_size < dcmd_limit) { + trace_megasas_dcmd_invalid_xfer_len(cmd->index, cmd->iov_size, + dcmd_limit); + return MFI_STAT_INVALID_PARAMETER; + } + + max_pd_disks = (cmd->iov_size - offset) / sizeof(struct mfi_pd_address); + if (max_pd_disks > s->fw_luns) { + max_pd_disks = s->fw_luns; + } + + QTAILQ_FOREACH(kid, &s->bus.qbus.children, sibling) { + SCSIDevice *sdev = DO_UPCAST(SCSIDevice, qdev, kid->child); + + sdev_id = ((sdev->id & 0xFF) >> 8) | (sdev->lun & 0xFF); + info.addr[num_pd_disks].device_id = cpu_to_le16(sdev_id); + info.addr[num_pd_disks].encl_device_id = 0xFFFF; + info.addr[num_pd_disks].encl_index = 0; + info.addr[num_pd_disks].slot_number = (sdev->id & 0xFF); + info.addr[num_pd_disks].scsi_dev_type = sdev->type; + info.addr[num_pd_disks].connect_port_bitmap = 0x1; + info.addr[num_pd_disks].sas_addr[0] = + cpu_to_le64(megasas_gen_sas_addr((uint64_t)sdev)); + num_pd_disks++; + offset += sizeof(struct mfi_pd_address); + } + trace_megasas_dcmd_pd_get_list(cmd->index, num_pd_disks, + max_pd_disks, offset); + + info.size = cpu_to_le32(offset); + info.count = cpu_to_le32(num_pd_disks); + + cmd->iov_size -= dma_buf_read((uint8_t *)&info, offset, &cmd->qsg); + return MFI_STAT_OK; +} + +static int megasas_dcmd_pd_list_query(MegasasState *s, MegasasCmd *cmd) +{ + uint16_t flags; + + /* mbox0 contains flags */ + flags = le16_to_cpu(cmd->frame->dcmd.mbox[0]); + trace_megasas_dcmd_pd_list_query(cmd->index, flags); + if (flags == MR_PD_QUERY_TYPE_ALL || + megasas_is_jbod(s)) { + return megasas_dcmd_pd_get_list(s, cmd); + } + + return MFI_STAT_OK; +} + +static int megasas_pd_get_info_submit(SCSIDevice *sdev, int lun, + MegasasCmd *cmd) +{ + struct mfi_pd_info *info = cmd->iov_buf; + size_t dcmd_size = sizeof(struct mfi_pd_info); + BlockConf *conf = &sdev->conf; + uint64_t pd_size; + uint16_t sdev_id = ((sdev->id & 0xFF) >> 8) | (lun & 0xFF); + uint8_t cmdbuf[6]; + SCSIRequest *req; + size_t len, resid; + + if (!cmd->iov_buf) { + cmd->iov_buf = g_malloc(dcmd_size); + memset(cmd->iov_buf, 0, dcmd_size); + info = cmd->iov_buf; + info->inquiry_data[0] = 0x7f; /* Force PQual 0x3, PType 0x1f */ + info->vpd_page83[0] = 0x7f; + megasas_setup_inquiry(cmdbuf, 0, sizeof(info->inquiry_data)); + req = scsi_req_new(sdev, cmd->index, lun, cmdbuf, cmd); + if (!req) { + trace_megasas_dcmd_req_alloc_failed(cmd->index, + "PD get info std inquiry"); + g_free(cmd->iov_buf); + cmd->iov_buf = NULL; + return MFI_STAT_FLASH_ALLOC_FAIL; + } + trace_megasas_dcmd_internal_submit(cmd->index, + "PD get info std inquiry", lun); + len = scsi_req_enqueue(req); + if (len > 0) { + cmd->iov_size = len; + scsi_req_continue(req); + } + return MFI_STAT_INVALID_STATUS; + } else if (info->inquiry_data[0] != 0x7f && info->vpd_page83[0] == 0x7f) { + megasas_setup_inquiry(cmdbuf, 0x83, sizeof(info->vpd_page83)); + req = scsi_req_new(sdev, cmd->index, lun, cmdbuf, cmd); + if (!req) { + trace_megasas_dcmd_req_alloc_failed(cmd->index, + "PD get info vpd inquiry"); + return MFI_STAT_FLASH_ALLOC_FAIL; + } + trace_megasas_dcmd_internal_submit(cmd->index, + "PD get info vpd inquiry", lun); + len = scsi_req_enqueue(req); + if (len > 0) { + cmd->iov_size = len; + scsi_req_continue(req); + } + return MFI_STAT_INVALID_STATUS; + } + /* Finished, set FW state */ + if ((info->inquiry_data[0] >> 5) == 0) { + if (megasas_is_jbod(cmd->state)) { + info->fw_state = cpu_to_le16(MFI_PD_STATE_SYSTEM); + } else { + info->fw_state = cpu_to_le16(MFI_PD_STATE_ONLINE); + } + } else { + info->fw_state = cpu_to_le16(MFI_PD_STATE_OFFLINE); + } + + info->ref.v.device_id = cpu_to_le16(sdev_id); + info->state.ddf.pd_type = cpu_to_le16(MFI_PD_DDF_TYPE_IN_VD| + MFI_PD_DDF_TYPE_INTF_SAS); + bdrv_get_geometry(conf->bs, &pd_size); + info->raw_size = cpu_to_le64(pd_size); + info->non_coerced_size = cpu_to_le64(pd_size); + info->coerced_size = cpu_to_le64(pd_size); + info->encl_device_id = 0xFFFF; + info->slot_number = (sdev->id & 0xFF); + info->path_info.count = 1; + info->path_info.sas_addr[0] = + cpu_to_le64(megasas_gen_sas_addr((uint64_t)sdev)); + info->connected_port_bitmap = 0x1; + info->device_speed = 1; + info->link_speed = 1; + resid = dma_buf_read(cmd->iov_buf, dcmd_size, &cmd->qsg); + g_free(cmd->iov_buf); + cmd->iov_size = dcmd_size - resid; + cmd->iov_buf = NULL; + return MFI_STAT_OK; +} + +static int megasas_dcmd_pd_get_info(MegasasState *s, MegasasCmd *cmd) +{ + size_t dcmd_size = sizeof(struct mfi_pd_info); + uint16_t pd_id; + SCSIDevice *sdev = NULL; + int retval = MFI_STAT_DEVICE_NOT_FOUND; + + if (cmd->iov_size < dcmd_size) { + return MFI_STAT_INVALID_PARAMETER; + } + + /* mbox0 has the ID */ + pd_id = le16_to_cpu(cmd->frame->dcmd.mbox[0]); + sdev = scsi_device_find(&s->bus, 0, pd_id, 0); + trace_megasas_dcmd_pd_get_info(cmd->index, pd_id); + + if (sdev) { + /* Submit inquiry */ + retval = megasas_pd_get_info_submit(sdev, pd_id, cmd); + } + + return retval; +} + +static int megasas_dcmd_ld_get_list(MegasasState *s, MegasasCmd *cmd) +{ + struct mfi_ld_list info; + size_t dcmd_size = sizeof(info), resid; + uint32_t num_ld_disks = 0, max_ld_disks = s->fw_luns; + uint64_t ld_size; + BusChild *kid; + + memset(&info, 0, dcmd_size); + if (cmd->iov_size < dcmd_size) { + trace_megasas_dcmd_invalid_xfer_len(cmd->index, cmd->iov_size, + dcmd_size); + return MFI_STAT_INVALID_PARAMETER; + } + + if (megasas_is_jbod(s)) { + max_ld_disks = 0; + } + QTAILQ_FOREACH(kid, &s->bus.qbus.children, sibling) { + SCSIDevice *sdev = DO_UPCAST(SCSIDevice, qdev, kid->child); + BlockConf *conf = &sdev->conf; + + if (num_ld_disks >= max_ld_disks) { + break; + } + /* Logical device size is in blocks */ + bdrv_get_geometry(conf->bs, &ld_size); + info.ld_list[num_ld_disks].ld.v.target_id = sdev->id; + info.ld_list[num_ld_disks].state = MFI_LD_STATE_OPTIMAL; + info.ld_list[num_ld_disks].size = cpu_to_le64(ld_size); + num_ld_disks++; + } + info.ld_count = cpu_to_le32(num_ld_disks); + trace_megasas_dcmd_ld_get_list(cmd->index, num_ld_disks, max_ld_disks); + + resid = dma_buf_read((uint8_t *)&info, dcmd_size, &cmd->qsg); + cmd->iov_size = dcmd_size - resid; + return MFI_STAT_OK; +} + +static int megasas_ld_get_info_submit(SCSIDevice *sdev, int lun, + MegasasCmd *cmd) +{ + struct mfi_ld_info *info = cmd->iov_buf; + size_t dcmd_size = sizeof(struct mfi_ld_info); + uint8_t cdb[6]; + SCSIRequest *req; + ssize_t len, resid; + BlockConf *conf = &sdev->conf; + uint16_t sdev_id = ((sdev->id & 0xFF) >> 8) | (lun & 0xFF); + uint64_t ld_size; + + if (!cmd->iov_buf) { + cmd->iov_buf = g_malloc(dcmd_size); + memset(cmd->iov_buf, 0x0, dcmd_size); + info = cmd->iov_buf; + megasas_setup_inquiry(cdb, 0x83, sizeof(info->vpd_page83)); + req = scsi_req_new(sdev, cmd->index, lun, cdb, cmd); + if (!req) { + trace_megasas_dcmd_req_alloc_failed(cmd->index, + "LD get info vpd inquiry"); + g_free(cmd->iov_buf); + cmd->iov_buf = NULL; + return MFI_STAT_FLASH_ALLOC_FAIL; + } + trace_megasas_dcmd_internal_submit(cmd->index, + "LD get info vpd inquiry", lun); + len = scsi_req_enqueue(req); + if (len > 0) { + cmd->iov_size = len; + scsi_req_continue(req); + } + return MFI_STAT_INVALID_STATUS; + } + + info->ld_config.params.state = MFI_LD_STATE_OPTIMAL; + info->ld_config.properties.ld.v.target_id = lun; + info->ld_config.params.stripe_size = 3; + info->ld_config.params.num_drives = 1; + info->ld_config.params.is_consistent = 1; + /* Logical device size is in blocks */ + bdrv_get_geometry(conf->bs, &ld_size); + info->size = cpu_to_le64(ld_size); + memset(info->ld_config.span, 0, sizeof(info->ld_config.span)); + info->ld_config.span[0].start_block = 0; + info->ld_config.span[0].num_blocks = info->size; + info->ld_config.span[0].array_ref = cpu_to_le16(sdev_id); + + resid = dma_buf_read(cmd->iov_buf, dcmd_size, &cmd->qsg); + g_free(cmd->iov_buf); + cmd->iov_size = dcmd_size - resid; + cmd->iov_buf = NULL; + return MFI_STAT_OK; +} + +static int megasas_dcmd_ld_get_info(MegasasState *s, MegasasCmd *cmd) +{ + struct mfi_ld_info info; + size_t dcmd_size = sizeof(info); + uint16_t ld_id; + uint32_t max_ld_disks = s->fw_luns; + SCSIDevice *sdev = NULL; + int retval = MFI_STAT_DEVICE_NOT_FOUND; + + if (cmd->iov_size < dcmd_size) { + return MFI_STAT_INVALID_PARAMETER; + } + + /* mbox0 has the ID */ + ld_id = le16_to_cpu(cmd->frame->dcmd.mbox[0]); + trace_megasas_dcmd_ld_get_info(cmd->index, ld_id); + + if (megasas_is_jbod(s)) { + return MFI_STAT_DEVICE_NOT_FOUND; + } + + if (ld_id < max_ld_disks) { + sdev = scsi_device_find(&s->bus, 0, ld_id, 0); + } + + if (sdev) { + retval = megasas_ld_get_info_submit(sdev, ld_id, cmd); + } + + return retval; +} + +static int megasas_dcmd_cfg_read(MegasasState *s, MegasasCmd *cmd) +{ + uint8_t data[4096]; + struct mfi_config_data *info; + int num_pd_disks = 0, array_offset, ld_offset; + BusChild *kid; + + if (cmd->iov_size > 4096) { + return MFI_STAT_INVALID_PARAMETER; + } + + QTAILQ_FOREACH(kid, &s->bus.qbus.children, sibling) { + num_pd_disks++; + } + info = (struct mfi_config_data *)&data; + /* + * Array mapping: + * - One array per SCSI device + * - One logical drive per SCSI device + * spanning the entire device + */ + info->array_count = num_pd_disks; + info->array_size = sizeof(struct mfi_array) * num_pd_disks; + info->log_drv_count = num_pd_disks; + info->log_drv_size = sizeof(struct mfi_ld_config) * num_pd_disks; + info->spares_count = 0; + info->spares_size = sizeof(struct mfi_spare); + info->size = sizeof(struct mfi_config_data) + info->array_size + + info->log_drv_size; + if (info->size > 4096) { + return MFI_STAT_INVALID_PARAMETER; + } + + array_offset = sizeof(struct mfi_config_data); + ld_offset = array_offset + sizeof(struct mfi_array) * num_pd_disks; + + QTAILQ_FOREACH(kid, &s->bus.qbus.children, sibling) { + SCSIDevice *sdev = DO_UPCAST(SCSIDevice, qdev, kid->child); + BlockConf *conf = &sdev->conf; + uint16_t sdev_id = ((sdev->id & 0xFF) >> 8) | (sdev->lun & 0xFF); + struct mfi_array *array; + struct mfi_ld_config *ld; + uint64_t pd_size; + int i; + + array = (struct mfi_array *)(data + array_offset); + bdrv_get_geometry(conf->bs, &pd_size); + array->size = cpu_to_le64(pd_size); + array->num_drives = 1; + array->array_ref = cpu_to_le16(sdev_id); + array->pd[0].ref.v.device_id = cpu_to_le16(sdev_id); + array->pd[0].ref.v.seq_num = 0; + array->pd[0].fw_state = MFI_PD_STATE_ONLINE; + array->pd[0].encl.pd = 0xFF; + array->pd[0].encl.slot = (sdev->id & 0xFF); + for (i = 1; i < MFI_MAX_ROW_SIZE; i++) { + array->pd[i].ref.v.device_id = 0xFFFF; + array->pd[i].ref.v.seq_num = 0; + array->pd[i].fw_state = MFI_PD_STATE_UNCONFIGURED_GOOD; + array->pd[i].encl.pd = 0xFF; + array->pd[i].encl.slot = 0xFF; + } + array_offset += sizeof(struct mfi_array); + ld = (struct mfi_ld_config *)(data + ld_offset); + memset(ld, 0, sizeof(struct mfi_ld_config)); + ld->properties.ld.v.target_id = (sdev->id & 0xFF); + ld->properties.default_cache_policy = MR_LD_CACHE_READ_AHEAD | + MR_LD_CACHE_READ_ADAPTIVE; + ld->properties.current_cache_policy = MR_LD_CACHE_READ_AHEAD | + MR_LD_CACHE_READ_ADAPTIVE; + ld->params.state = MFI_LD_STATE_OPTIMAL; + ld->params.stripe_size = 3; + ld->params.num_drives = 1; + ld->params.span_depth = 1; + ld->params.is_consistent = 1; + ld->span[0].start_block = 0; + ld->span[0].num_blocks = cpu_to_le64(pd_size); + ld->span[0].array_ref = cpu_to_le16(sdev_id); + ld_offset += sizeof(struct mfi_ld_config); + } + + cmd->iov_size -= dma_buf_read((uint8_t *)data, info->size, &cmd->qsg); + return MFI_STAT_OK; +} + +static int megasas_dcmd_get_properties(MegasasState *s, MegasasCmd *cmd) +{ + struct mfi_ctrl_props info; + size_t dcmd_size = sizeof(info); + + memset(&info, 0x0, dcmd_size); + if (cmd->iov_size < dcmd_size) { + trace_megasas_dcmd_invalid_xfer_len(cmd->index, cmd->iov_size, + dcmd_size); + return MFI_STAT_INVALID_PARAMETER; + } + info.pred_fail_poll_interval = cpu_to_le16(300); + info.intr_throttle_cnt = cpu_to_le16(16); + info.intr_throttle_timeout = cpu_to_le16(50); + info.rebuild_rate = 30; + info.patrol_read_rate = 30; + info.bgi_rate = 30; + info.cc_rate = 30; + info.recon_rate = 30; + info.cache_flush_interval = 4; + info.spinup_drv_cnt = 2; + info.spinup_delay = 6; + info.ecc_bucket_size = 15; + info.ecc_bucket_leak_rate = cpu_to_le16(1440); + info.expose_encl_devices = 1; + + cmd->iov_size -= dma_buf_read((uint8_t *)&info, dcmd_size, &cmd->qsg); + return MFI_STAT_OK; +} + +static int megasas_cache_flush(MegasasState *s, MegasasCmd *cmd) +{ + qemu_aio_flush(); + return MFI_STAT_OK; +} + +static int megasas_ctrl_shutdown(MegasasState *s, MegasasCmd *cmd) +{ + s->fw_state = MFI_FWSTATE_READY; + return MFI_STAT_OK; +} + +static int megasas_cluster_reset_ld(MegasasState *s, MegasasCmd *cmd) +{ + return MFI_STAT_INVALID_DCMD; +} + +static int megasas_dcmd_set_properties(MegasasState *s, MegasasCmd *cmd) +{ + uint8_t *dummy = g_malloc(cmd->iov_size); + + dma_buf_write(dummy, cmd->iov_size, &cmd->qsg); + + trace_megasas_dcmd_dump_frame(0, + dummy[0x00], dummy[0x01], dummy[0x02], dummy[0x03], + dummy[0x04], dummy[0x05], dummy[0x06], dummy[0x07]); + trace_megasas_dcmd_dump_frame(1, + dummy[0x08], dummy[0x09], dummy[0x0a], dummy[0x0b], + dummy[0x0c], dummy[0x0d], dummy[0x0e], dummy[0x0f]); + trace_megasas_dcmd_dump_frame(2, + dummy[0x10], dummy[0x11], dummy[0x12], dummy[0x13], + dummy[0x14], dummy[0x15], dummy[0x16], dummy[0x17]); + trace_megasas_dcmd_dump_frame(3, + dummy[0x18], dummy[0x19], dummy[0x1a], dummy[0x1b], + dummy[0x1c], dummy[0x1d], dummy[0x1e], dummy[0x1f]); + trace_megasas_dcmd_dump_frame(4, + dummy[0x20], dummy[0x21], dummy[0x22], dummy[0x23], + dummy[0x24], dummy[0x25], dummy[0x26], dummy[0x27]); + trace_megasas_dcmd_dump_frame(5, + dummy[0x28], dummy[0x29], dummy[0x2a], dummy[0x2b], + dummy[0x2c], dummy[0x2d], dummy[0x2e], dummy[0x2f]); + trace_megasas_dcmd_dump_frame(6, + dummy[0x30], dummy[0x31], dummy[0x32], dummy[0x33], + dummy[0x34], dummy[0x35], dummy[0x36], dummy[0x37]); + trace_megasas_dcmd_dump_frame(7, + dummy[0x38], dummy[0x39], dummy[0x3a], dummy[0x3b], + dummy[0x3c], dummy[0x3d], dummy[0x3e], dummy[0x3f]); + g_free(dummy); + return MFI_STAT_OK; +} + +static int megasas_dcmd_dummy(MegasasState *s, MegasasCmd *cmd) +{ + trace_megasas_dcmd_dummy(cmd->index, cmd->iov_size); + return MFI_STAT_OK; +} + +static const struct dcmd_cmd_tbl_t { + int opcode; + const char *desc; + int (*func)(MegasasState *s, MegasasCmd *cmd); +} dcmd_cmd_tbl[] = { + { MFI_DCMD_CTRL_MFI_HOST_MEM_ALLOC, "CTRL_HOST_MEM_ALLOC", + megasas_dcmd_dummy }, + { MFI_DCMD_CTRL_GET_INFO, "CTRL_GET_INFO", + megasas_ctrl_get_info }, + { MFI_DCMD_CTRL_GET_PROPERTIES, "CTRL_GET_PROPERTIES", + megasas_dcmd_get_properties }, + { MFI_DCMD_CTRL_SET_PROPERTIES, "CTRL_SET_PROPERTIES", + megasas_dcmd_set_properties }, + { MFI_DCMD_CTRL_ALARM_GET, "CTRL_ALARM_GET", + megasas_dcmd_dummy }, + { MFI_DCMD_CTRL_ALARM_ENABLE, "CTRL_ALARM_ENABLE", + megasas_dcmd_dummy }, + { MFI_DCMD_CTRL_ALARM_DISABLE, "CTRL_ALARM_DISABLE", + megasas_dcmd_dummy }, + { MFI_DCMD_CTRL_ALARM_SILENCE, "CTRL_ALARM_SILENCE", + megasas_dcmd_dummy }, + { MFI_DCMD_CTRL_ALARM_TEST, "CTRL_ALARM_TEST", + megasas_dcmd_dummy }, + { MFI_DCMD_CTRL_EVENT_GETINFO, "CTRL_EVENT_GETINFO", + megasas_event_info }, + { MFI_DCMD_CTRL_EVENT_GET, "CTRL_EVENT_GET", + megasas_dcmd_dummy }, + { MFI_DCMD_CTRL_EVENT_WAIT, "CTRL_EVENT_WAIT", + megasas_event_wait }, + { MFI_DCMD_CTRL_SHUTDOWN, "CTRL_SHUTDOWN", + megasas_ctrl_shutdown }, + { MFI_DCMD_HIBERNATE_STANDBY, "CTRL_STANDBY", + megasas_dcmd_dummy }, + { MFI_DCMD_CTRL_GET_TIME, "CTRL_GET_TIME", + megasas_dcmd_get_fw_time }, + { MFI_DCMD_CTRL_SET_TIME, "CTRL_SET_TIME", + megasas_dcmd_set_fw_time }, + { MFI_DCMD_CTRL_BIOS_DATA_GET, "CTRL_BIOS_DATA_GET", + megasas_dcmd_get_bios_info }, + { MFI_DCMD_CTRL_FACTORY_DEFAULTS, "CTRL_FACTORY_DEFAULTS", + megasas_dcmd_dummy }, + { MFI_DCMD_CTRL_MFC_DEFAULTS_GET, "CTRL_MFC_DEFAULTS_GET", + megasas_mfc_get_defaults }, + { MFI_DCMD_CTRL_MFC_DEFAULTS_SET, "CTRL_MFC_DEFAULTS_SET", + megasas_dcmd_dummy }, + { MFI_DCMD_CTRL_CACHE_FLUSH, "CTRL_CACHE_FLUSH", + megasas_cache_flush }, + { MFI_DCMD_PD_GET_LIST, "PD_GET_LIST", + megasas_dcmd_pd_get_list }, + { MFI_DCMD_PD_LIST_QUERY, "PD_LIST_QUERY", + megasas_dcmd_pd_list_query }, + { MFI_DCMD_PD_GET_INFO, "PD_GET_INFO", + megasas_dcmd_pd_get_info }, + { MFI_DCMD_PD_STATE_SET, "PD_STATE_SET", + megasas_dcmd_dummy }, + { MFI_DCMD_PD_REBUILD, "PD_REBUILD", + megasas_dcmd_dummy }, + { MFI_DCMD_PD_BLINK, "PD_BLINK", + megasas_dcmd_dummy }, + { MFI_DCMD_PD_UNBLINK, "PD_UNBLINK", + megasas_dcmd_dummy }, + { MFI_DCMD_LD_GET_LIST, "LD_GET_LIST", + megasas_dcmd_ld_get_list}, + { MFI_DCMD_LD_GET_INFO, "LD_GET_INFO", + megasas_dcmd_ld_get_info }, + { MFI_DCMD_LD_GET_PROP, "LD_GET_PROP", + megasas_dcmd_dummy }, + { MFI_DCMD_LD_SET_PROP, "LD_SET_PROP", + megasas_dcmd_dummy }, + { MFI_DCMD_LD_DELETE, "LD_DELETE", + megasas_dcmd_dummy }, + { MFI_DCMD_CFG_READ, "CFG_READ", + megasas_dcmd_cfg_read }, + { MFI_DCMD_CFG_ADD, "CFG_ADD", + megasas_dcmd_dummy }, + { MFI_DCMD_CFG_CLEAR, "CFG_CLEAR", + megasas_dcmd_dummy }, + { MFI_DCMD_CFG_FOREIGN_READ, "CFG_FOREIGN_READ", + megasas_dcmd_dummy }, + { MFI_DCMD_CFG_FOREIGN_IMPORT, "CFG_FOREIGN_IMPORT", + megasas_dcmd_dummy }, + { MFI_DCMD_BBU_STATUS, "BBU_STATUS", + megasas_dcmd_dummy }, + { MFI_DCMD_BBU_CAPACITY_INFO, "BBU_CAPACITY_INFO", + megasas_dcmd_dummy }, + { MFI_DCMD_BBU_DESIGN_INFO, "BBU_DESIGN_INFO", + megasas_dcmd_dummy }, + { MFI_DCMD_BBU_PROP_GET, "BBU_PROP_GET", + megasas_dcmd_dummy }, + { MFI_DCMD_CLUSTER, "CLUSTER", + megasas_dcmd_dummy }, + { MFI_DCMD_CLUSTER_RESET_ALL, "CLUSTER_RESET_ALL", + megasas_dcmd_dummy }, + { MFI_DCMD_CLUSTER_RESET_LD, "CLUSTER_RESET_LD", + megasas_cluster_reset_ld }, + { -1, NULL, NULL } +}; + +static int megasas_handle_dcmd(MegasasState *s, MegasasCmd *cmd) +{ + int opcode, len; + int retval = 0; + const struct dcmd_cmd_tbl_t *cmdptr = dcmd_cmd_tbl; + + opcode = le32_to_cpu(cmd->frame->dcmd.opcode); + trace_megasas_handle_dcmd(cmd->index, opcode); + len = megasas_map_dcmd(s, cmd); + if (len < 0) { + return MFI_STAT_MEMORY_NOT_AVAILABLE; + } + while (cmdptr->opcode != -1 && cmdptr->opcode != opcode) { + cmdptr++; + } + if (cmdptr->opcode == -1) { + trace_megasas_dcmd_unhandled(cmd->index, opcode, len); + retval = megasas_dcmd_dummy(s, cmd); + } else { + trace_megasas_dcmd_enter(cmd->index, cmdptr->desc, len); + retval = cmdptr->func(s, cmd); + } + if (retval != MFI_STAT_INVALID_STATUS) { + megasas_finish_dcmd(cmd, len); + } + return retval; +} + +static int megasas_finish_internal_dcmd(MegasasCmd *cmd, + SCSIRequest *req) +{ + int opcode; + int retval = MFI_STAT_OK; + int lun = req->lun; + + opcode = le32_to_cpu(cmd->frame->dcmd.opcode); + scsi_req_unref(req); + trace_megasas_dcmd_internal_finish(cmd->index, opcode, lun); + switch (opcode) { + case MFI_DCMD_PD_GET_INFO: + retval = megasas_pd_get_info_submit(req->dev, lun, cmd); + break; + case MFI_DCMD_LD_GET_INFO: + retval = megasas_ld_get_info_submit(req->dev, lun, cmd); + break; + default: + trace_megasas_dcmd_internal_invalid(cmd->index, opcode); + retval = MFI_STAT_INVALID_DCMD; + break; + } + if (retval != MFI_STAT_INVALID_STATUS) { + megasas_finish_dcmd(cmd, cmd->iov_size); + } + return retval; +} + +static int megasas_enqueue_req(MegasasCmd *cmd, bool is_write) +{ + int len; + + len = scsi_req_enqueue(cmd->req); + if (len < 0) { + len = -len; + } + if (len > 0) { + if (len > cmd->iov_size) { + if (is_write) { + trace_megasas_iov_write_overflow(cmd->index, len, + cmd->iov_size); + } else { + trace_megasas_iov_read_overflow(cmd->index, len, + cmd->iov_size); + } + } + if (len < cmd->iov_size) { + if (is_write) { + trace_megasas_iov_write_underflow(cmd->index, len, + cmd->iov_size); + } else { + trace_megasas_iov_read_underflow(cmd->index, len, + cmd->iov_size); + } + cmd->iov_size = len; + } + scsi_req_continue(cmd->req); + } + return len; +} + +static int megasas_handle_scsi(MegasasState *s, MegasasCmd *cmd, + bool is_logical) +{ + uint8_t *cdb; + int len; + bool is_write; + struct SCSIDevice *sdev = NULL; + + cdb = cmd->frame->pass.cdb; + + if (cmd->frame->header.target_id < s->fw_luns) { + sdev = scsi_device_find(&s->bus, 0, cmd->frame->header.target_id, + cmd->frame->header.lun_id); + } + cmd->iov_size = le32_to_cpu(cmd->frame->header.data_len); + trace_megasas_handle_scsi(mfi_frame_desc[cmd->frame->header.frame_cmd], + is_logical, cmd->frame->header.target_id, + cmd->frame->header.lun_id, sdev, cmd->iov_size); + + if (!sdev || (megasas_is_jbod(s) && is_logical)) { + trace_megasas_scsi_target_not_present( + mfi_frame_desc[cmd->frame->header.frame_cmd], is_logical, + cmd->frame->header.target_id, cmd->frame->header.lun_id); + return MFI_STAT_DEVICE_NOT_FOUND; + } + + if (cmd->frame->header.cdb_len > 16) { + trace_megasas_scsi_invalid_cdb_len( + mfi_frame_desc[cmd->frame->header.frame_cmd], is_logical, + cmd->frame->header.target_id, cmd->frame->header.lun_id, + cmd->frame->header.cdb_len); + megasas_write_sense(cmd, SENSE_CODE(INVALID_OPCODE)); + cmd->frame->header.scsi_status = CHECK_CONDITION; + s->event_count++; + return MFI_STAT_SCSI_DONE_WITH_ERROR; + } + + if (megasas_map_sgl(s, cmd, &cmd->frame->pass.sgl)) { + megasas_write_sense(cmd, SENSE_CODE(TARGET_FAILURE)); + cmd->frame->header.scsi_status = CHECK_CONDITION; + s->event_count++; + return MFI_STAT_SCSI_DONE_WITH_ERROR; + } + + cmd->req = scsi_req_new(sdev, cmd->index, + cmd->frame->header.lun_id, cdb, cmd); + if (!cmd->req) { + trace_megasas_scsi_req_alloc_failed( + mfi_frame_desc[cmd->frame->header.frame_cmd], + cmd->frame->header.target_id, cmd->frame->header.lun_id); + megasas_write_sense(cmd, SENSE_CODE(NO_SENSE)); + cmd->frame->header.scsi_status = BUSY; + s->event_count++; + return MFI_STAT_SCSI_DONE_WITH_ERROR; + } + + is_write = (cmd->req->cmd.mode == SCSI_XFER_TO_DEV); + len = megasas_enqueue_req(cmd, is_write); + if (len > 0) { + if (is_write) { + trace_megasas_scsi_write_start(cmd->index, len); + } else { + trace_megasas_scsi_read_start(cmd->index, len); + } + } else { + trace_megasas_scsi_nodata(cmd->index); + } + return MFI_STAT_INVALID_STATUS; +} + +static int megasas_handle_io(MegasasState *s, MegasasCmd *cmd) +{ + uint32_t lba_count, lba_start_hi, lba_start_lo; + uint64_t lba_start; + bool is_write = (cmd->frame->header.frame_cmd == MFI_CMD_LD_WRITE); + uint8_t cdb[16]; + int len; + struct SCSIDevice *sdev = NULL; + + lba_count = le32_to_cpu(cmd->frame->io.header.data_len); + lba_start_lo = le32_to_cpu(cmd->frame->io.lba_lo); + lba_start_hi = le32_to_cpu(cmd->frame->io.lba_hi); + lba_start = ((uint64_t)lba_start_hi << 32) | lba_start_lo; + + if (cmd->frame->header.target_id < s->fw_luns) { + sdev = scsi_device_find(&s->bus, 0, cmd->frame->header.target_id, + cmd->frame->header.lun_id); + } + + trace_megasas_handle_io(cmd->index, + mfi_frame_desc[cmd->frame->header.frame_cmd], + cmd->frame->header.target_id, + cmd->frame->header.lun_id, + (unsigned long)lba_start, (unsigned long)lba_count); + if (!sdev) { + trace_megasas_io_target_not_present(cmd->index, + mfi_frame_desc[cmd->frame->header.frame_cmd], + cmd->frame->header.target_id, cmd->frame->header.lun_id); + return MFI_STAT_DEVICE_NOT_FOUND; + } + + if (cmd->frame->header.cdb_len > 16) { + trace_megasas_scsi_invalid_cdb_len( + mfi_frame_desc[cmd->frame->header.frame_cmd], 1, + cmd->frame->header.target_id, cmd->frame->header.lun_id, + cmd->frame->header.cdb_len); + megasas_write_sense(cmd, SENSE_CODE(INVALID_OPCODE)); + cmd->frame->header.scsi_status = CHECK_CONDITION; + s->event_count++; + return MFI_STAT_SCSI_DONE_WITH_ERROR; + } + + cmd->iov_size = lba_count * sdev->blocksize; + if (megasas_map_sgl(s, cmd, &cmd->frame->io.sgl)) { + megasas_write_sense(cmd, SENSE_CODE(TARGET_FAILURE)); + cmd->frame->header.scsi_status = CHECK_CONDITION; + s->event_count++; + return MFI_STAT_SCSI_DONE_WITH_ERROR; + } + + megasas_encode_lba(cdb, lba_start, lba_count, is_write); + cmd->req = scsi_req_new(sdev, cmd->index, + cmd->frame->header.lun_id, cdb, cmd); + if (!cmd->req) { + trace_megasas_scsi_req_alloc_failed( + mfi_frame_desc[cmd->frame->header.frame_cmd], + cmd->frame->header.target_id, cmd->frame->header.lun_id); + megasas_write_sense(cmd, SENSE_CODE(NO_SENSE)); + cmd->frame->header.scsi_status = BUSY; + s->event_count++; + return MFI_STAT_SCSI_DONE_WITH_ERROR; + } + len = megasas_enqueue_req(cmd, is_write); + if (len > 0) { + if (is_write) { + trace_megasas_io_write_start(cmd->index, lba_start, lba_count, len); + } else { + trace_megasas_io_read_start(cmd->index, lba_start, lba_count, len); + } + } + return MFI_STAT_INVALID_STATUS; +} + +static int megasas_finish_internal_command(MegasasCmd *cmd, + SCSIRequest *req, size_t resid) +{ + int retval = MFI_STAT_INVALID_CMD; + + if (cmd->frame->header.frame_cmd == MFI_CMD_DCMD) { + cmd->iov_size -= resid; + retval = megasas_finish_internal_dcmd(cmd, req); + } + return retval; +} + +static QEMUSGList *megasas_get_sg_list(SCSIRequest *req) +{ + MegasasCmd *cmd = req->hba_private; + + if (cmd->frame->header.frame_cmd == MFI_CMD_DCMD) { + return NULL; + } else { + return &cmd->qsg; + } +} + +static void megasas_xfer_complete(SCSIRequest *req, uint32_t len) +{ + MegasasCmd *cmd = req->hba_private; + uint8_t *buf; + uint32_t opcode; + + trace_megasas_io_complete(cmd->index, len); + + if (cmd->frame->header.frame_cmd != MFI_CMD_DCMD) { + scsi_req_continue(req); + return; + } + + buf = scsi_req_get_buf(req); + opcode = le32_to_cpu(cmd->frame->dcmd.opcode); + if (opcode == MFI_DCMD_PD_GET_INFO && cmd->iov_buf) { + struct mfi_pd_info *info = cmd->iov_buf; + + if (info->inquiry_data[0] == 0x7f) { + memset(info->inquiry_data, 0, sizeof(info->inquiry_data)); + memcpy(info->inquiry_data, buf, len); + } else if (info->vpd_page83[0] == 0x7f) { + memset(info->vpd_page83, 0, sizeof(info->vpd_page83)); + memcpy(info->vpd_page83, buf, len); + } + scsi_req_continue(req); + } else if (opcode == MFI_DCMD_LD_GET_INFO) { + struct mfi_ld_info *info = cmd->iov_buf; + + if (cmd->iov_buf) { + memcpy(info->vpd_page83, buf, sizeof(info->vpd_page83)); + scsi_req_continue(req); + } + } +} + +static void megasas_command_complete(SCSIRequest *req, uint32_t status, + size_t resid) +{ + MegasasCmd *cmd = req->hba_private; + uint8_t cmd_status = MFI_STAT_OK; + + trace_megasas_command_complete(cmd->index, status, resid); + + if (cmd->req != req) { + /* + * Internal command complete + */ + cmd_status = megasas_finish_internal_command(cmd, req, resid); + if (cmd_status == MFI_STAT_INVALID_STATUS) { + return; + } + } else { + req->status = status; + trace_megasas_scsi_complete(cmd->index, req->status, + cmd->iov_size, req->cmd.xfer); + if (req->status != GOOD) { + cmd_status = MFI_STAT_SCSI_DONE_WITH_ERROR; + } + if (req->status == CHECK_CONDITION) { + megasas_copy_sense(cmd); + } + + megasas_unmap_sgl(cmd); + cmd->frame->header.scsi_status = req->status; + scsi_req_unref(cmd->req); + cmd->req = NULL; + } + cmd->frame->header.cmd_status = cmd_status; + megasas_complete_frame(cmd->state, cmd->context); +} + +static void megasas_command_cancel(SCSIRequest *req) +{ + MegasasCmd *cmd = req->hba_private; + + if (cmd) { + megasas_abort_command(cmd); + } else { + scsi_req_unref(req); + } +} + +static int megasas_handle_abort(MegasasState *s, MegasasCmd *cmd) +{ + uint64_t abort_ctx = le64_to_cpu(cmd->frame->abort.abort_context); + target_phys_addr_t abort_addr, addr_hi, addr_lo; + MegasasCmd *abort_cmd; + + addr_hi = le32_to_cpu(cmd->frame->abort.abort_mfi_addr_hi); + addr_lo = le32_to_cpu(cmd->frame->abort.abort_mfi_addr_lo); + abort_addr = ((uint64_t)addr_hi << 32) | addr_lo; + + abort_cmd = megasas_lookup_frame(s, abort_addr); + if (!abort_cmd) { + trace_megasas_abort_no_cmd(cmd->index, abort_ctx); + s->event_count++; + return MFI_STAT_OK; + } + if (!megasas_use_queue64(s)) { + abort_ctx &= (uint64_t)0xFFFFFFFF; + } + if (abort_cmd->context != abort_ctx) { + trace_megasas_abort_invalid_context(cmd->index, abort_cmd->index, + abort_cmd->context); + s->event_count++; + return MFI_STAT_ABORT_NOT_POSSIBLE; + } + trace_megasas_abort_frame(cmd->index, abort_cmd->index); + megasas_abort_command(abort_cmd); + if (!s->event_cmd || abort_cmd != s->event_cmd) { + s->event_cmd = NULL; + } + s->event_count++; + return MFI_STAT_OK; +} + +static void megasas_handle_frame(MegasasState *s, uint64_t frame_addr, + uint32_t frame_count) +{ + uint8_t frame_status = MFI_STAT_INVALID_CMD; + uint64_t frame_context; + MegasasCmd *cmd; + + /* + * Always read 64bit context, top bits will be + * masked out if required in megasas_enqueue_frame() + */ + frame_context = megasas_frame_get_context(frame_addr); + + cmd = megasas_enqueue_frame(s, frame_addr, frame_context, frame_count); + if (!cmd) { + /* reply queue full */ + trace_megasas_frame_busy(frame_addr); + megasas_frame_set_scsi_status(frame_addr, BUSY); + megasas_frame_set_cmd_status(frame_addr, MFI_STAT_SCSI_DONE_WITH_ERROR); + megasas_complete_frame(s, frame_context); + s->event_count++; + return; + } + switch (cmd->frame->header.frame_cmd) { + case MFI_CMD_INIT: + frame_status = megasas_init_firmware(s, cmd); + break; + case MFI_CMD_DCMD: + frame_status = megasas_handle_dcmd(s, cmd); + break; + case MFI_CMD_ABORT: + frame_status = megasas_handle_abort(s, cmd); + break; + case MFI_CMD_PD_SCSI_IO: + frame_status = megasas_handle_scsi(s, cmd, 0); + break; + case MFI_CMD_LD_SCSI_IO: + frame_status = megasas_handle_scsi(s, cmd, 1); + break; + case MFI_CMD_LD_READ: + case MFI_CMD_LD_WRITE: + frame_status = megasas_handle_io(s, cmd); + break; + default: + trace_megasas_unhandled_frame_cmd(cmd->index, + cmd->frame->header.frame_cmd); + s->event_count++; + break; + } + if (frame_status != MFI_STAT_INVALID_STATUS) { + if (cmd->frame) { + cmd->frame->header.cmd_status = frame_status; + } else { + megasas_frame_set_cmd_status(frame_addr, frame_status); + } + megasas_complete_frame(s, cmd->context); + } +} + +static uint64_t megasas_mmio_read(void *opaque, target_phys_addr_t addr, + unsigned size) +{ + MegasasState *s = opaque; + uint32_t retval = 0; + + switch (addr) { + case MFI_IDB: + retval = 0; + break; + case MFI_OMSG0: + case MFI_OSP0: + retval = (megasas_use_msix(s) ? MFI_FWSTATE_MSIX_SUPPORTED : 0) | + (s->fw_state & MFI_FWSTATE_MASK) | + ((s->fw_sge & 0xff) << 16) | + (s->fw_cmds & 0xFFFF); + break; + case MFI_OSTS: + if (megasas_intr_enabled(s) && s->doorbell) { + retval = MFI_1078_RM | 1; + } + break; + case MFI_OMSK: + retval = s->intr_mask; + break; + case MFI_ODCR0: + retval = s->doorbell; + break; + default: + trace_megasas_mmio_invalid_readl(addr); + break; + } + trace_megasas_mmio_readl(addr, retval); + return retval; +} + +static void megasas_mmio_write(void *opaque, target_phys_addr_t addr, + uint64_t val, unsigned size) +{ + MegasasState *s = opaque; + uint64_t frame_addr; + uint32_t frame_count; + int i; + + trace_megasas_mmio_writel(addr, val); + switch (addr) { + case MFI_IDB: + if (val & MFI_FWINIT_ABORT) { + /* Abort all pending cmds */ + for (i = 0; i < s->fw_cmds; i++) { + megasas_abort_command(&s->frames[i]); + } + } + if (val & MFI_FWINIT_READY) { + /* move to FW READY */ + megasas_soft_reset(s); + } + if (val & MFI_FWINIT_MFIMODE) { + /* discard MFIs */ + } + break; + case MFI_OMSK: + s->intr_mask = val; + if (!megasas_intr_enabled(s) && !msix_enabled(&s->dev)) { + trace_megasas_irq_lower(); + qemu_irq_lower(s->dev.irq[0]); + } + if (megasas_intr_enabled(s)) { + trace_megasas_intr_enabled(); + } else { + trace_megasas_intr_disabled(); + } + break; + case MFI_ODCR0: + s->doorbell = 0; + if (s->producer_pa && megasas_intr_enabled(s)) { + /* Update reply queue pointer */ + trace_megasas_qf_update(s->reply_queue_head, s->busy); + stl_le_phys(s->producer_pa, s->reply_queue_head); + if (!msix_enabled(&s->dev)) { + trace_megasas_irq_lower(); + qemu_irq_lower(s->dev.irq[0]); + } + } + break; + case MFI_IQPH: + /* Received high 32 bits of a 64 bit MFI frame address */ + s->frame_hi = val; + break; + case MFI_IQPL: + /* Received low 32 bits of a 64 bit MFI frame address */ + case MFI_IQP: + /* Received 32 bit MFI frame address */ + frame_addr = (val & ~0x1F); + /* Add possible 64 bit offset */ + frame_addr |= ((uint64_t)s->frame_hi << 32); + s->frame_hi = 0; + frame_count = (val >> 1) & 0xF; + megasas_handle_frame(s, frame_addr, frame_count); + break; + default: + trace_megasas_mmio_invalid_writel(addr, val); + break; + } +} + +static const MemoryRegionOps megasas_mmio_ops = { + .read = megasas_mmio_read, + .write = megasas_mmio_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .impl = { + .min_access_size = 8, + .max_access_size = 8, + } +}; + +static uint64_t megasas_port_read(void *opaque, target_phys_addr_t addr, + unsigned size) +{ + return megasas_mmio_read(opaque, addr & 0xff, size); +} + +static void megasas_port_write(void *opaque, target_phys_addr_t addr, + uint64_t val, unsigned size) +{ + megasas_mmio_write(opaque, addr & 0xff, val, size); +} + +static const MemoryRegionOps megasas_port_ops = { + .read = megasas_port_read, + .write = megasas_port_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .impl = { + .min_access_size = 4, + .max_access_size = 4, + } +}; + +static uint64_t megasas_queue_read(void *opaque, target_phys_addr_t addr, + unsigned size) +{ + return 0; +} + +static const MemoryRegionOps megasas_queue_ops = { + .read = megasas_queue_read, + .endianness = DEVICE_LITTLE_ENDIAN, + .impl = { + .min_access_size = 8, + .max_access_size = 8, + } +}; + +static void megasas_soft_reset(MegasasState *s) +{ + int i; + MegasasCmd *cmd; + + trace_megasas_reset(); + for (i = 0; i < s->fw_cmds; i++) { + cmd = &s->frames[i]; + megasas_abort_command(cmd); + } + megasas_reset_frames(s); + s->reply_queue_len = s->fw_cmds; + s->reply_queue_pa = 0; + s->consumer_pa = 0; + s->producer_pa = 0; + s->fw_state = MFI_FWSTATE_READY; + s->doorbell = 0; + s->intr_mask = MEGASAS_INTR_DISABLED_MASK; + s->frame_hi = 0; + s->flags &= ~MEGASAS_MASK_USE_QUEUE64; + s->event_count++; + s->boot_event = s->event_count; +} + +static void megasas_scsi_reset(DeviceState *dev) +{ + MegasasState *s = DO_UPCAST(MegasasState, dev.qdev, dev); + + megasas_soft_reset(s); +} + +static const VMStateDescription vmstate_megasas = { + .name = "megasas", + .version_id = 0, + .minimum_version_id = 0, + .minimum_version_id_old = 0, + .fields = (VMStateField[]) { + VMSTATE_PCI_DEVICE(dev, MegasasState), + + VMSTATE_INT32(fw_state, MegasasState), + VMSTATE_INT32(intr_mask, MegasasState), + VMSTATE_INT32(doorbell, MegasasState), + VMSTATE_UINT64(reply_queue_pa, MegasasState), + VMSTATE_UINT64(consumer_pa, MegasasState), + VMSTATE_UINT64(producer_pa, MegasasState), + VMSTATE_END_OF_LIST() + } +}; + +static int megasas_scsi_uninit(PCIDevice *d) +{ + MegasasState *s = DO_UPCAST(MegasasState, dev, d); + +#ifdef USE_MSIX + msix_uninit(&s->dev, &s->mmio_io); +#endif + memory_region_destroy(&s->mmio_io); + memory_region_destroy(&s->port_io); + memory_region_destroy(&s->queue_io); + return 0; +} + +static const struct SCSIBusInfo megasas_scsi_info = { + .tcq = true, + .max_target = MFI_MAX_LD, + .max_lun = 255, + + .transfer_data = megasas_xfer_complete, + .get_sg_list = megasas_get_sg_list, + .complete = megasas_command_complete, + .cancel = megasas_command_cancel, +}; + +static int megasas_scsi_init(PCIDevice *dev) +{ + MegasasState *s = DO_UPCAST(MegasasState, dev, dev); + uint8_t *pci_conf; + int i, bar_type; + + pci_conf = s->dev.config; + + /* PCI latency timer = 0 */ + pci_conf[PCI_LATENCY_TIMER] = 0; + /* Interrupt pin 1 */ + pci_conf[PCI_INTERRUPT_PIN] = 0x01; + + memory_region_init_io(&s->mmio_io, &megasas_mmio_ops, s, + "megasas-mmio", 0x4000); + memory_region_init_io(&s->port_io, &megasas_port_ops, s, + "megasas-io", 256); + memory_region_init_io(&s->queue_io, &megasas_queue_ops, s, + "megasas-queue", 0x40000); + +#ifdef USE_MSIX + /* MSI-X support is currently broken */ + if (megasas_use_msix(s) && + msix_init(&s->dev, 15, &s->mmio_io, 0, 0x2000)) { + s->flags &= ~MEGASAS_MASK_USE_MSIX; + } +#else + s->flags &= ~MEGASAS_MASK_USE_MSIX; +#endif + + bar_type = PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64; + pci_register_bar(&s->dev, 0, bar_type, &s->mmio_io); + pci_register_bar(&s->dev, 2, PCI_BASE_ADDRESS_SPACE_IO, &s->port_io); + pci_register_bar(&s->dev, 3, bar_type, &s->queue_io); + + if (megasas_use_msix(s)) { + msix_vector_use(&s->dev, 0); + } + + if (s->fw_sge >= MEGASAS_MAX_SGE - MFI_PASS_FRAME_SIZE) { + s->fw_sge = MEGASAS_MAX_SGE - MFI_PASS_FRAME_SIZE; + } else if (s->fw_sge >= 128 - MFI_PASS_FRAME_SIZE) { + s->fw_sge = 128 - MFI_PASS_FRAME_SIZE; + } else { + s->fw_sge = 64 - MFI_PASS_FRAME_SIZE; + } + if (s->fw_cmds > MEGASAS_MAX_FRAMES) { + s->fw_cmds = MEGASAS_MAX_FRAMES; + } + trace_megasas_init(s->fw_sge, s->fw_cmds, + megasas_use_msix(s) ? "MSI-X" : "INTx", + megasas_is_jbod(s) ? "jbod" : "raid"); + s->fw_luns = (MFI_MAX_LD > MAX_SCSI_DEVS) ? + MAX_SCSI_DEVS : MFI_MAX_LD; + s->producer_pa = 0; + s->consumer_pa = 0; + for (i = 0; i < s->fw_cmds; i++) { + s->frames[i].index = i; + s->frames[i].context = -1; + s->frames[i].pa = 0; + s->frames[i].state = s; + } + + scsi_bus_new(&s->bus, &dev->qdev, &megasas_scsi_info); + scsi_bus_legacy_handle_cmdline(&s->bus); + return 0; +} + +static Property megasas_properties[] = { + DEFINE_PROP_UINT32("max_sge", MegasasState, fw_sge, + MEGASAS_DEFAULT_SGE), + DEFINE_PROP_UINT32("max_cmds", MegasasState, fw_cmds, + MEGASAS_DEFAULT_FRAMES), +#ifdef USE_MSIX + DEFINE_PROP_BIT("use_msix", MegasasState, flags, + MEGASAS_FLAG_USE_MSIX, false), +#endif + DEFINE_PROP_BIT("use_jbod", MegasasState, flags, + MEGASAS_FLAG_USE_JBOD, false), + DEFINE_PROP_END_OF_LIST(), +}; + +static void megasas_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + PCIDeviceClass *pc = PCI_DEVICE_CLASS(oc); + + pc->init = megasas_scsi_init; + pc->exit = megasas_scsi_uninit; + pc->vendor_id = PCI_VENDOR_ID_LSI_LOGIC; + pc->device_id = PCI_DEVICE_ID_LSI_SAS1078; + pc->subsystem_vendor_id = PCI_VENDOR_ID_LSI_LOGIC; + pc->subsystem_id = 0x1013; + pc->class_id = PCI_CLASS_STORAGE_RAID; + dc->props = megasas_properties; + dc->reset = megasas_scsi_reset; + dc->vmsd = &vmstate_megasas; + dc->desc = "LSI MegaRAID SAS 1078"; +} + +static const TypeInfo megasas_info = { + .name = "megasas", + .parent = TYPE_PCI_DEVICE, + .instance_size = sizeof(MegasasState), + .class_init = megasas_class_init, +}; + +static void megasas_register_types(void) +{ + type_register_static(&megasas_info); +} + +type_init(megasas_register_types) diff --git a/hw/mfi.h b/hw/mfi.h new file mode 100644 index 0000000000..8a821623e0 --- /dev/null +++ b/hw/mfi.h @@ -0,0 +1,1248 @@ +/* + * NetBSD header file, copied from + * http://gitorious.org/freebsd/freebsd/blobs/HEAD/sys/dev/mfi/mfireg.h + */ +/*- + * Copyright (c) 2006 IronPort Systems + * Copyright (c) 2007 LSI Corp. + * Copyright (c) 2007 Rajesh Prabhakaran. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef MFI_REG_H +#define MFI_REG_H + +/* + * MegaRAID SAS MFI firmware definitions + */ + +/* + * Start with the register set. All registers are 32 bits wide. + * The usual Intel IOP style setup. + */ +#define MFI_IMSG0 0x10 /* Inbound message 0 */ +#define MFI_IMSG1 0x14 /* Inbound message 1 */ +#define MFI_OMSG0 0x18 /* Outbound message 0 */ +#define MFI_OMSG1 0x1c /* Outbound message 1 */ +#define MFI_IDB 0x20 /* Inbound doorbell */ +#define MFI_ISTS 0x24 /* Inbound interrupt status */ +#define MFI_IMSK 0x28 /* Inbound interrupt mask */ +#define MFI_ODB 0x2c /* Outbound doorbell */ +#define MFI_OSTS 0x30 /* Outbound interrupt status */ +#define MFI_OMSK 0x34 /* Outbound interrupt mask */ +#define MFI_IQP 0x40 /* Inbound queue port */ +#define MFI_OQP 0x44 /* Outbound queue port */ + +/* + * 1078 specific related register + */ +#define MFI_ODR0 0x9c /* outbound doorbell register0 */ +#define MFI_ODCR0 0xa0 /* outbound doorbell clear register0 */ +#define MFI_OSP0 0xb0 /* outbound scratch pad0 */ +#define MFI_IQPL 0xc0 /* Inbound queue port (low bytes) */ +#define MFI_IQPH 0xc4 /* Inbound queue port (high bytes) */ +#define MFI_DIAG 0xf8 /* Host diag */ +#define MFI_SEQ 0xfc /* Sequencer offset */ +#define MFI_1078_EIM 0x80000004 /* 1078 enable intrrupt mask */ +#define MFI_RMI 0x2 /* reply message interrupt */ +#define MFI_1078_RM 0x80000000 /* reply 1078 message interrupt */ +#define MFI_ODC 0x4 /* outbound doorbell change interrupt */ + +/* + * gen2 specific changes + */ +#define MFI_GEN2_EIM 0x00000005 /* gen2 enable interrupt mask */ +#define MFI_GEN2_RM 0x00000001 /* reply gen2 message interrupt */ + +/* + * skinny specific changes + */ +#define MFI_SKINNY_IDB 0x00 /* Inbound doorbell is at 0x00 for skinny */ +#define MFI_SKINNY_RM 0x00000001 /* reply skinny message interrupt */ + +/* Bits for MFI_OSTS */ +#define MFI_OSTS_INTR_VALID 0x00000002 + +/* + * Firmware state values. Found in OMSG0 during initialization. + */ +#define MFI_FWSTATE_MASK 0xf0000000 +#define MFI_FWSTATE_UNDEFINED 0x00000000 +#define MFI_FWSTATE_BB_INIT 0x10000000 +#define MFI_FWSTATE_FW_INIT 0x40000000 +#define MFI_FWSTATE_WAIT_HANDSHAKE 0x60000000 +#define MFI_FWSTATE_FW_INIT_2 0x70000000 +#define MFI_FWSTATE_DEVICE_SCAN 0x80000000 +#define MFI_FWSTATE_BOOT_MSG_PENDING 0x90000000 +#define MFI_FWSTATE_FLUSH_CACHE 0xa0000000 +#define MFI_FWSTATE_READY 0xb0000000 +#define MFI_FWSTATE_OPERATIONAL 0xc0000000 +#define MFI_FWSTATE_FAULT 0xf0000000 +#define MFI_FWSTATE_MAXSGL_MASK 0x00ff0000 +#define MFI_FWSTATE_MAXCMD_MASK 0x0000ffff +#define MFI_FWSTATE_MSIX_SUPPORTED 0x04000000 +#define MFI_FWSTATE_HOSTMEMREQD_MASK 0x08000000 + +/* + * Control bits to drive the card to ready state. These go into the IDB + * register. + */ +#define MFI_FWINIT_ABORT 0x00000001 /* Abort all pending commands */ +#define MFI_FWINIT_READY 0x00000002 /* Move from operational to ready */ +#define MFI_FWINIT_MFIMODE 0x00000004 /* unknown */ +#define MFI_FWINIT_CLEAR_HANDSHAKE 0x00000008 /* Respond to WAIT_HANDSHAKE */ +#define MFI_FWINIT_HOTPLUG 0x00000010 +#define MFI_FWINIT_STOP_ADP 0x00000020 /* Move to operational, stop */ +#define MFI_FWINIT_ADP_RESET 0x00000040 /* Reset ADP */ + +/* MFI Commands */ +typedef enum { + MFI_CMD_INIT = 0x00, + MFI_CMD_LD_READ, + MFI_CMD_LD_WRITE, + MFI_CMD_LD_SCSI_IO, + MFI_CMD_PD_SCSI_IO, + MFI_CMD_DCMD, + MFI_CMD_ABORT, + MFI_CMD_SMP, + MFI_CMD_STP +} mfi_cmd_t; + +/* Direct commands */ +typedef enum { + MFI_DCMD_CTRL_MFI_HOST_MEM_ALLOC = 0x0100e100, + MFI_DCMD_CTRL_GET_INFO = 0x01010000, + MFI_DCMD_CTRL_GET_PROPERTIES = 0x01020100, + MFI_DCMD_CTRL_SET_PROPERTIES = 0x01020200, + MFI_DCMD_CTRL_ALARM = 0x01030000, + MFI_DCMD_CTRL_ALARM_GET = 0x01030100, + MFI_DCMD_CTRL_ALARM_ENABLE = 0x01030200, + MFI_DCMD_CTRL_ALARM_DISABLE = 0x01030300, + MFI_DCMD_CTRL_ALARM_SILENCE = 0x01030400, + MFI_DCMD_CTRL_ALARM_TEST = 0x01030500, + MFI_DCMD_CTRL_EVENT_GETINFO = 0x01040100, + MFI_DCMD_CTRL_EVENT_CLEAR = 0x01040200, + MFI_DCMD_CTRL_EVENT_GET = 0x01040300, + MFI_DCMD_CTRL_EVENT_COUNT = 0x01040400, + MFI_DCMD_CTRL_EVENT_WAIT = 0x01040500, + MFI_DCMD_CTRL_SHUTDOWN = 0x01050000, + MFI_DCMD_HIBERNATE_STANDBY = 0x01060000, + MFI_DCMD_CTRL_GET_TIME = 0x01080101, + MFI_DCMD_CTRL_SET_TIME = 0x01080102, + MFI_DCMD_CTRL_BIOS_DATA_GET = 0x010c0100, + MFI_DCMD_CTRL_BIOS_DATA_SET = 0x010c0200, + MFI_DCMD_CTRL_FACTORY_DEFAULTS = 0x010d0000, + MFI_DCMD_CTRL_MFC_DEFAULTS_GET = 0x010e0201, + MFI_DCMD_CTRL_MFC_DEFAULTS_SET = 0x010e0202, + MFI_DCMD_CTRL_CACHE_FLUSH = 0x01101000, + MFI_DCMD_PD_GET_LIST = 0x02010000, + MFI_DCMD_PD_LIST_QUERY = 0x02010100, + MFI_DCMD_PD_GET_INFO = 0x02020000, + MFI_DCMD_PD_STATE_SET = 0x02030100, + MFI_DCMD_PD_REBUILD = 0x02040100, + MFI_DCMD_PD_BLINK = 0x02070100, + MFI_DCMD_PD_UNBLINK = 0x02070200, + MFI_DCMD_LD_GET_LIST = 0x03010000, + MFI_DCMD_LD_GET_INFO = 0x03020000, + MFI_DCMD_LD_GET_PROP = 0x03030000, + MFI_DCMD_LD_SET_PROP = 0x03040000, + MFI_DCMD_LD_DELETE = 0x03090000, + MFI_DCMD_CFG_READ = 0x04010000, + MFI_DCMD_CFG_ADD = 0x04020000, + MFI_DCMD_CFG_CLEAR = 0x04030000, + MFI_DCMD_CFG_FOREIGN_READ = 0x04060100, + MFI_DCMD_CFG_FOREIGN_IMPORT = 0x04060400, + MFI_DCMD_BBU_STATUS = 0x05010000, + MFI_DCMD_BBU_CAPACITY_INFO = 0x05020000, + MFI_DCMD_BBU_DESIGN_INFO = 0x05030000, + MFI_DCMD_BBU_PROP_GET = 0x05050100, + MFI_DCMD_CLUSTER = 0x08000000, + MFI_DCMD_CLUSTER_RESET_ALL = 0x08010100, + MFI_DCMD_CLUSTER_RESET_LD = 0x08010200 +} mfi_dcmd_t; + +/* Modifiers for MFI_DCMD_CTRL_FLUSHCACHE */ +#define MFI_FLUSHCACHE_CTRL 0x01 +#define MFI_FLUSHCACHE_DISK 0x02 + +/* Modifiers for MFI_DCMD_CTRL_SHUTDOWN */ +#define MFI_SHUTDOWN_SPINDOWN 0x01 + +/* + * MFI Frame flags + */ +typedef enum { + MFI_FRAME_DONT_POST_IN_REPLY_QUEUE = 0x0001, + MFI_FRAME_SGL64 = 0x0002, + MFI_FRAME_SENSE64 = 0x0004, + MFI_FRAME_DIR_WRITE = 0x0008, + MFI_FRAME_DIR_READ = 0x0010, + MFI_FRAME_IEEE_SGL = 0x0020, +} mfi_frame_flags; + +/* MFI Status codes */ +typedef enum { + MFI_STAT_OK = 0x00, + MFI_STAT_INVALID_CMD, + MFI_STAT_INVALID_DCMD, + MFI_STAT_INVALID_PARAMETER, + MFI_STAT_INVALID_SEQUENCE_NUMBER, + MFI_STAT_ABORT_NOT_POSSIBLE, + MFI_STAT_APP_HOST_CODE_NOT_FOUND, + MFI_STAT_APP_IN_USE, + MFI_STAT_APP_NOT_INITIALIZED, + MFI_STAT_ARRAY_INDEX_INVALID, + MFI_STAT_ARRAY_ROW_NOT_EMPTY, + MFI_STAT_CONFIG_RESOURCE_CONFLICT, + MFI_STAT_DEVICE_NOT_FOUND, + MFI_STAT_DRIVE_TOO_SMALL, + MFI_STAT_FLASH_ALLOC_FAIL, + MFI_STAT_FLASH_BUSY, + MFI_STAT_FLASH_ERROR = 0x10, + MFI_STAT_FLASH_IMAGE_BAD, + MFI_STAT_FLASH_IMAGE_INCOMPLETE, + MFI_STAT_FLASH_NOT_OPEN, + MFI_STAT_FLASH_NOT_STARTED, + MFI_STAT_FLUSH_FAILED, + MFI_STAT_HOST_CODE_NOT_FOUNT, + MFI_STAT_LD_CC_IN_PROGRESS, + MFI_STAT_LD_INIT_IN_PROGRESS, + MFI_STAT_LD_LBA_OUT_OF_RANGE, + MFI_STAT_LD_MAX_CONFIGURED, + MFI_STAT_LD_NOT_OPTIMAL, + MFI_STAT_LD_RBLD_IN_PROGRESS, + MFI_STAT_LD_RECON_IN_PROGRESS, + MFI_STAT_LD_WRONG_RAID_LEVEL, + MFI_STAT_MAX_SPARES_EXCEEDED, + MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20, + MFI_STAT_MFC_HW_ERROR, + MFI_STAT_NO_HW_PRESENT, + MFI_STAT_NOT_FOUND, + MFI_STAT_NOT_IN_ENCL, + MFI_STAT_PD_CLEAR_IN_PROGRESS, + MFI_STAT_PD_TYPE_WRONG, + MFI_STAT_PR_DISABLED, + MFI_STAT_ROW_INDEX_INVALID, + MFI_STAT_SAS_CONFIG_INVALID_ACTION, + MFI_STAT_SAS_CONFIG_INVALID_DATA, + MFI_STAT_SAS_CONFIG_INVALID_PAGE, + MFI_STAT_SAS_CONFIG_INVALID_TYPE, + MFI_STAT_SCSI_DONE_WITH_ERROR, + MFI_STAT_SCSI_IO_FAILED, + MFI_STAT_SCSI_RESERVATION_CONFLICT, + MFI_STAT_SHUTDOWN_FAILED = 0x30, + MFI_STAT_TIME_NOT_SET, + MFI_STAT_WRONG_STATE, + MFI_STAT_LD_OFFLINE, + MFI_STAT_PEER_NOTIFICATION_REJECTED, + MFI_STAT_PEER_NOTIFICATION_FAILED, + MFI_STAT_RESERVATION_IN_PROGRESS, + MFI_STAT_I2C_ERRORS_DETECTED, + MFI_STAT_PCI_ERRORS_DETECTED, + MFI_STAT_DIAG_FAILED, + MFI_STAT_BOOT_MSG_PENDING, + MFI_STAT_FOREIGN_CONFIG_INCOMPLETE, + MFI_STAT_INVALID_SGL, + MFI_STAT_UNSUPPORTED_HW, + MFI_STAT_CC_SCHEDULE_DISABLED, + MFI_STAT_PD_COPYBACK_IN_PROGRESS, + MFI_STAT_MULTIPLE_PDS_IN_ARRAY = 0x40, + MFI_STAT_FW_DOWNLOAD_ERROR, + MFI_STAT_FEATURE_SECURITY_NOT_ENABLED, + MFI_STAT_LOCK_KEY_ALREADY_EXISTS, + MFI_STAT_LOCK_KEY_BACKUP_NOT_ALLOWED, + MFI_STAT_LOCK_KEY_VERIFY_NOT_ALLOWED, + MFI_STAT_LOCK_KEY_VERIFY_FAILED, + MFI_STAT_LOCK_KEY_REKEY_NOT_ALLOWED, + MFI_STAT_LOCK_KEY_INVALID, + MFI_STAT_LOCK_KEY_ESCROW_INVALID, + MFI_STAT_LOCK_KEY_BACKUP_REQUIRED, + MFI_STAT_SECURE_LD_EXISTS, + MFI_STAT_LD_SECURE_NOT_ALLOWED, + MFI_STAT_REPROVISION_NOT_ALLOWED, + MFI_STAT_PD_SECURITY_TYPE_WRONG, + MFI_STAT_LD_ENCRYPTION_TYPE_INVALID, + MFI_STAT_CONFIG_FDE_NON_FDE_MIX_NOT_ALLOWED = 0x50, + MFI_STAT_CONFIG_LD_ENCRYPTION_TYPE_MIX_NOT_ALLOWED, + MFI_STAT_SECRET_KEY_NOT_ALLOWED, + MFI_STAT_PD_HW_ERRORS_DETECTED, + MFI_STAT_LD_CACHE_PINNED, + MFI_STAT_POWER_STATE_SET_IN_PROGRESS, + MFI_STAT_POWER_STATE_SET_BUSY, + MFI_STAT_POWER_STATE_WRONG, + MFI_STAT_PR_NO_AVAILABLE_PD_FOUND, + MFI_STAT_CTRL_RESET_REQUIRED, + MFI_STAT_LOCK_KEY_EKM_NO_BOOT_AGENT, + MFI_STAT_SNAP_NO_SPACE, + MFI_STAT_SNAP_PARTIAL_FAILURE, + MFI_STAT_UPGRADE_KEY_INCOMPATIBLE, + MFI_STAT_PFK_INCOMPATIBLE, + MFI_STAT_PD_MAX_UNCONFIGURED, + MFI_STAT_IO_METRICS_DISABLED = 0x60, + MFI_STAT_AEC_NOT_STOPPED, + MFI_STAT_PI_TYPE_WRONG, + MFI_STAT_LD_PD_PI_INCOMPATIBLE, + MFI_STAT_PI_NOT_ENABLED, + MFI_STAT_LD_BLOCK_SIZE_MISMATCH, + MFI_STAT_INVALID_STATUS = 0xFF +} mfi_status_t; + +/* Event classes */ +typedef enum { + MFI_EVT_CLASS_DEBUG = -2, + MFI_EVT_CLASS_PROGRESS = -1, + MFI_EVT_CLASS_INFO = 0, + MFI_EVT_CLASS_WARNING = 1, + MFI_EVT_CLASS_CRITICAL = 2, + MFI_EVT_CLASS_FATAL = 3, + MFI_EVT_CLASS_DEAD = 4 +} mfi_evt_class_t; + +/* Event locales */ +typedef enum { + MFI_EVT_LOCALE_LD = 0x0001, + MFI_EVT_LOCALE_PD = 0x0002, + MFI_EVT_LOCALE_ENCL = 0x0004, + MFI_EVT_LOCALE_BBU = 0x0008, + MFI_EVT_LOCALE_SAS = 0x0010, + MFI_EVT_LOCALE_CTRL = 0x0020, + MFI_EVT_LOCALE_CONFIG = 0x0040, + MFI_EVT_LOCALE_CLUSTER = 0x0080, + MFI_EVT_LOCALE_ALL = 0xffff +} mfi_evt_locale_t; + +/* Event args */ +typedef enum { + MR_EVT_ARGS_NONE = 0x00, + MR_EVT_ARGS_CDB_SENSE, + MR_EVT_ARGS_LD, + MR_EVT_ARGS_LD_COUNT, + MR_EVT_ARGS_LD_LBA, + MR_EVT_ARGS_LD_OWNER, + MR_EVT_ARGS_LD_LBA_PD_LBA, + MR_EVT_ARGS_LD_PROG, + MR_EVT_ARGS_LD_STATE, + MR_EVT_ARGS_LD_STRIP, + MR_EVT_ARGS_PD, + MR_EVT_ARGS_PD_ERR, + MR_EVT_ARGS_PD_LBA, + MR_EVT_ARGS_PD_LBA_LD, + MR_EVT_ARGS_PD_PROG, + MR_EVT_ARGS_PD_STATE, + MR_EVT_ARGS_PCI, + MR_EVT_ARGS_RATE, + MR_EVT_ARGS_STR, + MR_EVT_ARGS_TIME, + MR_EVT_ARGS_ECC, + MR_EVT_ARGS_LD_PROP, + MR_EVT_ARGS_PD_SPARE, + MR_EVT_ARGS_PD_INDEX, + MR_EVT_ARGS_DIAG_PASS, + MR_EVT_ARGS_DIAG_FAIL, + MR_EVT_ARGS_PD_LBA_LBA, + MR_EVT_ARGS_PORT_PHY, + MR_EVT_ARGS_PD_MISSING, + MR_EVT_ARGS_PD_ADDRESS, + MR_EVT_ARGS_BITMAP, + MR_EVT_ARGS_CONNECTOR, + MR_EVT_ARGS_PD_PD, + MR_EVT_ARGS_PD_FRU, + MR_EVT_ARGS_PD_PATHINFO, + MR_EVT_ARGS_PD_POWER_STATE, + MR_EVT_ARGS_GENERIC, +} mfi_evt_args; + +/* Event codes */ +#define MR_EVT_CFG_CLEARED 0x0004 +#define MR_EVT_CTRL_SHUTDOWN 0x002a +#define MR_EVT_LD_STATE_CHANGE 0x0051 +#define MR_EVT_PD_INSERTED 0x005b +#define MR_EVT_PD_REMOVED 0x0070 +#define MR_EVT_PD_STATE_CHANGED 0x0072 +#define MR_EVT_LD_CREATED 0x008a +#define MR_EVT_LD_DELETED 0x008b +#define MR_EVT_FOREIGN_CFG_IMPORTED 0x00db +#define MR_EVT_LD_OFFLINE 0x00fc +#define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED 0x0152 + +typedef enum { + MR_LD_CACHE_WRITE_BACK = 0x01, + MR_LD_CACHE_WRITE_ADAPTIVE = 0x02, + MR_LD_CACHE_READ_AHEAD = 0x04, + MR_LD_CACHE_READ_ADAPTIVE = 0x08, + MR_LD_CACHE_WRITE_CACHE_BAD_BBU = 0x10, + MR_LD_CACHE_ALLOW_WRITE_CACHE = 0x20, + MR_LD_CACHE_ALLOW_READ_CACHE = 0x40 +} mfi_ld_cache; + +typedef enum { + MR_PD_CACHE_UNCHANGED = 0, + MR_PD_CACHE_ENABLE = 1, + MR_PD_CACHE_DISABLE = 2 +} mfi_pd_cache; + +typedef enum { + MR_PD_QUERY_TYPE_ALL = 0, + MR_PD_QUERY_TYPE_STATE = 1, + MR_PD_QUERY_TYPE_POWER_STATE = 2, + MR_PD_QUERY_TYPE_MEDIA_TYPE = 3, + MR_PD_QUERY_TYPE_SPEED = 4, + MR_PD_QUERY_TYPE_EXPOSED_TO_HOST = 5, /*query for system drives */ +} mfi_pd_query_type; + +/* + * Other propertities and definitions + */ +#define MFI_MAX_PD_CHANNELS 2 +#define MFI_MAX_LD_CHANNELS 2 +#define MFI_MAX_CHANNELS (MFI_MAX_PD_CHANNELS + MFI_MAX_LD_CHANNELS) +#define MFI_MAX_CHANNEL_DEVS 128 +#define MFI_DEFAULT_ID -1 +#define MFI_MAX_LUN 8 +#define MFI_MAX_LD 64 + +#define MFI_FRAME_SIZE 64 +#define MFI_MBOX_SIZE 12 + +/* Firmware flashing can take 40s */ +#define MFI_POLL_TIMEOUT_SECS 50 + +/* Allow for speedier math calculations */ +#define MFI_SECTOR_LEN 512 + +/* Scatter Gather elements */ +struct mfi_sg32 { + uint32_t addr; + uint32_t len; +} __attribute__ ((packed)); + +struct mfi_sg64 { + uint64_t addr; + uint32_t len; +} __attribute__ ((packed)); + +struct mfi_sg_skinny { + uint64_t addr; + uint32_t len; + uint32_t flag; +} __attribute__ ((packed)); + +union mfi_sgl { + struct mfi_sg32 sg32[1]; + struct mfi_sg64 sg64[1]; + struct mfi_sg_skinny sg_skinny[1]; +} __attribute__ ((packed)); + +/* Message frames. All messages have a common header */ +struct mfi_frame_header { + uint8_t frame_cmd; + uint8_t sense_len; + uint8_t cmd_status; + uint8_t scsi_status; + uint8_t target_id; + uint8_t lun_id; + uint8_t cdb_len; + uint8_t sge_count; + uint64_t context; + uint16_t flags; + uint16_t timeout; + uint32_t data_len; +} __attribute__ ((packed)); + +struct mfi_init_frame { + struct mfi_frame_header header; + uint32_t qinfo_new_addr_lo; + uint32_t qinfo_new_addr_hi; + uint32_t qinfo_old_addr_lo; + uint32_t qinfo_old_addr_hi; + uint32_t reserved[6]; +}; + +#define MFI_IO_FRAME_SIZE 40 +struct mfi_io_frame { + struct mfi_frame_header header; + uint32_t sense_addr_lo; + uint32_t sense_addr_hi; + uint32_t lba_lo; + uint32_t lba_hi; + union mfi_sgl sgl; +} __attribute__ ((packed)); + +#define MFI_PASS_FRAME_SIZE 48 +struct mfi_pass_frame { + struct mfi_frame_header header; + uint32_t sense_addr_lo; + uint32_t sense_addr_hi; + uint8_t cdb[16]; + union mfi_sgl sgl; +} __attribute__ ((packed)); + +#define MFI_DCMD_FRAME_SIZE 40 +struct mfi_dcmd_frame { + struct mfi_frame_header header; + uint32_t opcode; + uint8_t mbox[MFI_MBOX_SIZE]; + union mfi_sgl sgl; +} __attribute__ ((packed)); + +struct mfi_abort_frame { + struct mfi_frame_header header; + uint64_t abort_context; + uint32_t abort_mfi_addr_lo; + uint32_t abort_mfi_addr_hi; + uint32_t reserved1[6]; +} __attribute__ ((packed)); + +struct mfi_smp_frame { + struct mfi_frame_header header; + uint64_t sas_addr; + union { + struct mfi_sg32 sg32[2]; + struct mfi_sg64 sg64[2]; + } sgl; +} __attribute__ ((packed)); + +struct mfi_stp_frame { + struct mfi_frame_header header; + uint16_t fis[10]; + uint32_t stp_flags; + union { + struct mfi_sg32 sg32[2]; + struct mfi_sg64 sg64[2]; + } sgl; +} __attribute__ ((packed)); + +union mfi_frame { + struct mfi_frame_header header; + struct mfi_init_frame init; + struct mfi_io_frame io; + struct mfi_pass_frame pass; + struct mfi_dcmd_frame dcmd; + struct mfi_abort_frame abort; + struct mfi_smp_frame smp; + struct mfi_stp_frame stp; + uint64_t raw[8]; + uint8_t bytes[MFI_FRAME_SIZE]; +}; + +#define MFI_SENSE_LEN 128 +struct mfi_sense { + uint8_t data[MFI_SENSE_LEN]; +}; + +#define MFI_QUEUE_FLAG_CONTEXT64 0x00000002 + +/* The queue init structure that is passed with the init message */ +struct mfi_init_qinfo { + uint32_t flags; + uint32_t rq_entries; + uint32_t rq_addr_lo; + uint32_t rq_addr_hi; + uint32_t pi_addr_lo; + uint32_t pi_addr_hi; + uint32_t ci_addr_lo; + uint32_t ci_addr_hi; +} __attribute__ ((packed)); + +/* Controller properties */ +struct mfi_ctrl_props { + uint16_t seq_num; + uint16_t pred_fail_poll_interval; + uint16_t intr_throttle_cnt; + uint16_t intr_throttle_timeout; + uint8_t rebuild_rate; + uint8_t patrol_read_rate; + uint8_t bgi_rate; + uint8_t cc_rate; + uint8_t recon_rate; + uint8_t cache_flush_interval; + uint8_t spinup_drv_cnt; + uint8_t spinup_delay; + uint8_t cluster_enable; + uint8_t coercion_mode; + uint8_t alarm_enable; + uint8_t disable_auto_rebuild; + uint8_t disable_battery_warn; + uint8_t ecc_bucket_size; + uint16_t ecc_bucket_leak_rate; + uint8_t restore_hotspare_on_insertion; + uint8_t expose_encl_devices; + uint8_t maintainPdFailHistory; + uint8_t disallowHostRequestReordering; + uint8_t abortCCOnError; + uint8_t loadBalanceMode; + uint8_t disableAutoDetectBackplane; + uint8_t snapVDSpace; + uint32_t OnOffProperties; +/* set TRUE to disable copyBack (0=copyback enabled) */ +#define MFI_CTRL_PROP_CopyBackDisabled (1 << 0) +#define MFI_CTRL_PROP_SMARTerEnabled (1 << 1) +#define MFI_CTRL_PROP_PRCorrectUnconfiguredAreas (1 << 2) +#define MFI_CTRL_PROP_UseFdeOnly (1 << 3) +#define MFI_CTRL_PROP_DisableNCQ (1 << 4) +#define MFI_CTRL_PROP_SSDSMARTerEnabled (1 << 5) +#define MFI_CTRL_PROP_SSDPatrolReadEnabled (1 << 6) +#define MFI_CTRL_PROP_EnableSpinDownUnconfigured (1 << 7) +#define MFI_CTRL_PROP_AutoEnhancedImport (1 << 8) +#define MFI_CTRL_PROP_EnableSecretKeyControl (1 << 9) +#define MFI_CTRL_PROP_DisableOnlineCtrlReset (1 << 10) +#define MFI_CTRL_PROP_AllowBootWithPinnedCache (1 << 11) +#define MFI_CTRL_PROP_DisableSpinDownHS (1 << 12) +#define MFI_CTRL_PROP_EnableJBOD (1 << 13) + + uint8_t autoSnapVDSpace; /* % of source LD to be + * reserved for auto snapshot + * in snapshot repository, for + * metadata and user data + * 1=5%, 2=10%, 3=15% and so on + */ + uint8_t viewSpace; /* snapshot writeable VIEWs + * capacity as a % of source LD + * capacity. 0=READ only + * 1=5%, 2=10%, 3=15% and so on + */ + uint16_t spinDownTime; /* # of idle minutes before device + * is spun down (0=use FW defaults) + */ + uint8_t reserved[24]; +} __attribute__ ((packed)); + +/* PCI information about the card. */ +struct mfi_info_pci { + uint16_t vendor; + uint16_t device; + uint16_t subvendor; + uint16_t subdevice; + uint8_t reserved[24]; +} __attribute__ ((packed)); + +/* Host (front end) interface information */ +struct mfi_info_host { + uint8_t type; +#define MFI_INFO_HOST_PCIX 0x01 +#define MFI_INFO_HOST_PCIE 0x02 +#define MFI_INFO_HOST_ISCSI 0x04 +#define MFI_INFO_HOST_SAS3G 0x08 + uint8_t reserved[6]; + uint8_t port_count; + uint64_t port_addr[8]; +} __attribute__ ((packed)); + +/* Device (back end) interface information */ +struct mfi_info_device { + uint8_t type; +#define MFI_INFO_DEV_SPI 0x01 +#define MFI_INFO_DEV_SAS3G 0x02 +#define MFI_INFO_DEV_SATA1 0x04 +#define MFI_INFO_DEV_SATA3G 0x08 + uint8_t reserved[6]; + uint8_t port_count; + uint64_t port_addr[8]; +} __attribute__ ((packed)); + +/* Firmware component information */ +struct mfi_info_component { + char name[8]; + char version[32]; + char build_date[16]; + char build_time[16]; +} __attribute__ ((packed)); + +/* Controller default settings */ +struct mfi_defaults { + uint64_t sas_addr; + uint8_t phy_polarity; + uint8_t background_rate; + uint8_t stripe_size; + uint8_t flush_time; + uint8_t write_back; + uint8_t read_ahead; + uint8_t cache_when_bbu_bad; + uint8_t cached_io; + uint8_t smart_mode; + uint8_t alarm_disable; + uint8_t coercion; + uint8_t zrc_config; + uint8_t dirty_led_shows_drive_activity; + uint8_t bios_continue_on_error; + uint8_t spindown_mode; + uint8_t allowed_device_types; + uint8_t allow_mix_in_enclosure; + uint8_t allow_mix_in_ld; + uint8_t allow_sata_in_cluster; + uint8_t max_chained_enclosures; + uint8_t disable_ctrl_r; + uint8_t enable_web_bios; + uint8_t phy_polarity_split; + uint8_t direct_pd_mapping; + uint8_t bios_enumerate_lds; + uint8_t restored_hot_spare_on_insertion; + uint8_t expose_enclosure_devices; + uint8_t maintain_pd_fail_history; + uint8_t disable_puncture; + uint8_t zero_based_enumeration; + uint8_t disable_preboot_cli; + uint8_t show_drive_led_on_activity; + uint8_t cluster_disable; + uint8_t sas_disable; + uint8_t auto_detect_backplane; + uint8_t fde_only; + uint8_t delay_during_post; + uint8_t resv[19]; +} __attribute__ ((packed)); + +/* Controller default settings */ +struct mfi_bios_data { + uint16_t boot_target_id; + uint8_t do_not_int_13; + uint8_t continue_on_error; + uint8_t verbose; + uint8_t geometry; + uint8_t expose_all_drives; + uint8_t reserved[56]; + uint8_t check_sum; +} __attribute__ ((packed)); + +/* SAS (?) controller info, returned from MFI_DCMD_CTRL_GETINFO. */ +struct mfi_ctrl_info { + struct mfi_info_pci pci; + struct mfi_info_host host; + struct mfi_info_device device; + + /* Firmware components that are present and active. */ + uint32_t image_check_word; + uint32_t image_component_count; + struct mfi_info_component image_component[8]; + + /* Firmware components that have been flashed but are inactive */ + uint32_t pending_image_component_count; + struct mfi_info_component pending_image_component[8]; + + uint8_t max_arms; + uint8_t max_spans; + uint8_t max_arrays; + uint8_t max_lds; + char product_name[80]; + char serial_number[32]; + uint32_t hw_present; +#define MFI_INFO_HW_BBU 0x01 +#define MFI_INFO_HW_ALARM 0x02 +#define MFI_INFO_HW_NVRAM 0x04 +#define MFI_INFO_HW_UART 0x08 +#define MFI_INFO_HW_MEM 0x10 +#define MFI_INFO_HW_FLASH 0x20 + uint32_t current_fw_time; + uint16_t max_cmds; + uint16_t max_sg_elements; + uint32_t max_request_size; + uint16_t lds_present; + uint16_t lds_degraded; + uint16_t lds_offline; + uint16_t pd_present; + uint16_t pd_disks_present; + uint16_t pd_disks_pred_failure; + uint16_t pd_disks_failed; + uint16_t nvram_size; + uint16_t memory_size; + uint16_t flash_size; + uint16_t ram_correctable_errors; + uint16_t ram_uncorrectable_errors; + uint8_t cluster_allowed; + uint8_t cluster_active; + uint16_t max_strips_per_io; + + uint32_t raid_levels; +#define MFI_INFO_RAID_0 0x01 +#define MFI_INFO_RAID_1 0x02 +#define MFI_INFO_RAID_5 0x04 +#define MFI_INFO_RAID_1E 0x08 +#define MFI_INFO_RAID_6 0x10 + + uint32_t adapter_ops; +#define MFI_INFO_AOPS_RBLD_RATE 0x0001 +#define MFI_INFO_AOPS_CC_RATE 0x0002 +#define MFI_INFO_AOPS_BGI_RATE 0x0004 +#define MFI_INFO_AOPS_RECON_RATE 0x0008 +#define MFI_INFO_AOPS_PATROL_RATE 0x0010 +#define MFI_INFO_AOPS_ALARM_CONTROL 0x0020 +#define MFI_INFO_AOPS_CLUSTER_SUPPORTED 0x0040 +#define MFI_INFO_AOPS_BBU 0x0080 +#define MFI_INFO_AOPS_SPANNING_ALLOWED 0x0100 +#define MFI_INFO_AOPS_DEDICATED_SPARES 0x0200 +#define MFI_INFO_AOPS_REVERTIBLE_SPARES 0x0400 +#define MFI_INFO_AOPS_FOREIGN_IMPORT 0x0800 +#define MFI_INFO_AOPS_SELF_DIAGNOSTIC 0x1000 +#define MFI_INFO_AOPS_MIXED_ARRAY 0x2000 +#define MFI_INFO_AOPS_GLOBAL_SPARES 0x4000 + + uint32_t ld_ops; +#define MFI_INFO_LDOPS_READ_POLICY 0x01 +#define MFI_INFO_LDOPS_WRITE_POLICY 0x02 +#define MFI_INFO_LDOPS_IO_POLICY 0x04 +#define MFI_INFO_LDOPS_ACCESS_POLICY 0x08 +#define MFI_INFO_LDOPS_DISK_CACHE_POLICY 0x10 + + struct { + uint8_t min; + uint8_t max; + uint8_t reserved[2]; + } __attribute__ ((packed)) stripe_sz_ops; + + uint32_t pd_ops; +#define MFI_INFO_PDOPS_FORCE_ONLINE 0x01 +#define MFI_INFO_PDOPS_FORCE_OFFLINE 0x02 +#define MFI_INFO_PDOPS_FORCE_REBUILD 0x04 + + uint32_t pd_mix_support; +#define MFI_INFO_PDMIX_SAS 0x01 +#define MFI_INFO_PDMIX_SATA 0x02 +#define MFI_INFO_PDMIX_ENCL 0x04 +#define MFI_INFO_PDMIX_LD 0x08 +#define MFI_INFO_PDMIX_SATA_CLUSTER 0x10 + + uint8_t ecc_bucket_count; + uint8_t reserved2[11]; + struct mfi_ctrl_props properties; + char package_version[0x60]; + uint8_t pad[0x800 - 0x6a0]; +} __attribute__ ((packed)); + +/* keep track of an event. */ +union mfi_evt { + struct { + uint16_t locale; + uint8_t reserved; + int8_t class; + } members; + uint32_t word; +} __attribute__ ((packed)); + +/* event log state. */ +struct mfi_evt_log_state { + uint32_t newest_seq_num; + uint32_t oldest_seq_num; + uint32_t clear_seq_num; + uint32_t shutdown_seq_num; + uint32_t boot_seq_num; +} __attribute__ ((packed)); + +struct mfi_progress { + uint16_t progress; + uint16_t elapsed_seconds; +} __attribute__ ((packed)); + +struct mfi_evt_ld { + uint16_t target_id; + uint8_t ld_index; + uint8_t reserved; +} __attribute__ ((packed)); + +struct mfi_evt_pd { + uint16_t device_id; + uint8_t enclosure_index; + uint8_t slot_number; +} __attribute__ ((packed)); + +/* event detail, returned from MFI_DCMD_CTRL_EVENT_WAIT. */ +struct mfi_evt_detail { + uint32_t seq; + uint32_t time; + uint32_t code; + union mfi_evt class; + uint8_t arg_type; + uint8_t reserved1[15]; + + union { + struct { + struct mfi_evt_pd pd; + uint8_t cdb_len; + uint8_t sense_len; + uint8_t reserved[2]; + uint8_t cdb[16]; + uint8_t sense[64]; + } cdb_sense; + + struct mfi_evt_ld ld; + + struct { + struct mfi_evt_ld ld; + uint64_t count; + } ld_count; + + struct { + uint64_t lba; + struct mfi_evt_ld ld; + } ld_lba; + + struct { + struct mfi_evt_ld ld; + uint32_t pre_owner; + uint32_t new_owner; + } ld_owner; + + struct { + uint64_t ld_lba; + uint64_t pd_lba; + struct mfi_evt_ld ld; + struct mfi_evt_pd pd; + } ld_lba_pd_lba; + + struct { + struct mfi_evt_ld ld; + struct mfi_progress prog; + } ld_prog; + + struct { + struct mfi_evt_ld ld; + uint32_t prev_state; + uint32_t new_state; + } ld_state; + + struct { + uint64_t strip; + struct mfi_evt_ld ld; + } ld_strip; + + struct mfi_evt_pd pd; + + struct { + struct mfi_evt_pd pd; + uint32_t err; + } pd_err; + + struct { + uint64_t lba; + struct mfi_evt_pd pd; + } pd_lba; + + struct { + uint64_t lba; + struct mfi_evt_pd pd; + struct mfi_evt_ld ld; + } pd_lba_ld; + + struct { + struct mfi_evt_pd pd; + struct mfi_progress prog; + } pd_prog; + + struct { + struct mfi_evt_pd ld; + uint32_t prev_state; + uint32_t new_state; + } pd_state; + + struct { + uint16_t venderId; + uint16_t deviceId; + uint16_t subVenderId; + uint16_t subDeviceId; + } pci; + + uint32_t rate; + + char str[96]; + + struct { + uint32_t rtc; + uint16_t elapsedSeconds; + } time; + + struct { + uint32_t ecar; + uint32_t elog; + char str[64]; + } ecc; + + uint8_t b[96]; + uint16_t s[48]; + uint32_t w[24]; + uint64_t d[12]; + } args; + + char description[128]; +} __attribute__ ((packed)); + +struct mfi_evt_list { + uint32_t count; + uint32_t reserved; + struct mfi_evt_detail event[1]; +} __attribute__ ((packed)); + +union mfi_pd_ref { + struct { + uint16_t device_id; + uint16_t seq_num; + } v; + uint32_t ref; +} __attribute__ ((packed)); + +union mfi_pd_ddf_type { + struct { + uint16_t pd_type; +#define MFI_PD_DDF_TYPE_FORCED_PD_GUID (1 << 0) +#define MFI_PD_DDF_TYPE_IN_VD (1 << 1) +#define MFI_PD_DDF_TYPE_IS_GLOBAL_SPARE (1 << 2) +#define MFI_PD_DDF_TYPE_IS_SPARE (1 << 3) +#define MFI_PD_DDF_TYPE_IS_FOREIGN (1 << 4) +#define MFI_PD_DDF_TYPE_INTF_SPI (1 << 12) +#define MFI_PD_DDF_TYPE_INTF_SAS (1 << 13) +#define MFI_PD_DDF_TYPE_INTF_SATA1 (1 << 14) +#define MFI_PD_DDF_TYPE_INTF_SATA3G (1 << 15) + uint16_t reserved; + } ddf; + struct { + uint32_t reserved; + } non_disk; + uint32_t type; +} __attribute__ ((packed)); + +struct mfi_pd_progress { + uint32_t active; +#define PD_PROGRESS_ACTIVE_REBUILD (1 << 0) +#define PD_PROGRESS_ACTIVE_PATROL (1 << 1) +#define PD_PROGRESS_ACTIVE_CLEAR (1 << 2) + struct mfi_progress rbld; + struct mfi_progress patrol; + struct mfi_progress clear; + struct mfi_progress reserved[4]; +} __attribute__ ((packed)); + +struct mfi_pd_info { + union mfi_pd_ref ref; + uint8_t inquiry_data[96]; + uint8_t vpd_page83[64]; + uint8_t not_supported; + uint8_t scsi_dev_type; + uint8_t connected_port_bitmap; + uint8_t device_speed; + uint32_t media_err_count; + uint32_t other_err_count; + uint32_t pred_fail_count; + uint32_t last_pred_fail_event_seq_num; + uint16_t fw_state; + uint8_t disable_for_removal; + uint8_t link_speed; + union mfi_pd_ddf_type state; + struct { + uint8_t count; + uint8_t is_path_broken; + uint8_t reserved[6]; + uint64_t sas_addr[4]; + } path_info; + uint64_t raw_size; + uint64_t non_coerced_size; + uint64_t coerced_size; + uint16_t encl_device_id; + uint8_t encl_index; + uint8_t slot_number; + struct mfi_pd_progress prog_info; + uint8_t bad_block_table_full; + uint8_t unusable_in_current_config; + uint8_t vpd_page83_ext[64]; + uint8_t reserved[512-358]; +} __attribute__ ((packed)); + +struct mfi_pd_address { + uint16_t device_id; + uint16_t encl_device_id; + uint8_t encl_index; + uint8_t slot_number; + uint8_t scsi_dev_type; + uint8_t connect_port_bitmap; + uint64_t sas_addr[2]; +} __attribute__ ((packed)); + +#define MFI_MAX_SYS_PDS 240 +struct mfi_pd_list { + uint32_t size; + uint32_t count; + struct mfi_pd_address addr[MFI_MAX_SYS_PDS]; +} __attribute__ ((packed)); + +union mfi_ld_ref { + struct { + uint8_t target_id; + uint8_t reserved; + uint16_t seq; + } v; + uint32_t ref; +} __attribute__ ((packed)); + +struct mfi_ld_list { + uint32_t ld_count; + uint32_t reserved1; + struct { + union mfi_ld_ref ld; + uint8_t state; + uint8_t reserved2[3]; + uint64_t size; + } ld_list[MFI_MAX_LD]; +} __attribute__ ((packed)); + +enum mfi_ld_access { + MFI_LD_ACCESS_RW = 0, + MFI_LD_ACCSSS_RO = 2, + MFI_LD_ACCESS_BLOCKED = 3, +}; +#define MFI_LD_ACCESS_MASK 3 + +enum mfi_ld_state { + MFI_LD_STATE_OFFLINE = 0, + MFI_LD_STATE_PARTIALLY_DEGRADED = 1, + MFI_LD_STATE_DEGRADED = 2, + MFI_LD_STATE_OPTIMAL = 3 +}; + +enum mfi_syspd_state { + MFI_PD_STATE_UNCONFIGURED_GOOD = 0x00, + MFI_PD_STATE_UNCONFIGURED_BAD = 0x01, + MFI_PD_STATE_HOT_SPARE = 0x02, + MFI_PD_STATE_OFFLINE = 0x10, + MFI_PD_STATE_FAILED = 0x11, + MFI_PD_STATE_REBUILD = 0x14, + MFI_PD_STATE_ONLINE = 0x18, + MFI_PD_STATE_COPYBACK = 0x20, + MFI_PD_STATE_SYSTEM = 0x40 +}; + +struct mfi_ld_props { + union mfi_ld_ref ld; + char name[16]; + uint8_t default_cache_policy; + uint8_t access_policy; + uint8_t disk_cache_policy; + uint8_t current_cache_policy; + uint8_t no_bgi; + uint8_t reserved[7]; +} __attribute__ ((packed)); + +struct mfi_ld_params { + uint8_t primary_raid_level; + uint8_t raid_level_qualifier; + uint8_t secondary_raid_level; + uint8_t stripe_size; + uint8_t num_drives; + uint8_t span_depth; + uint8_t state; + uint8_t init_state; + uint8_t is_consistent; + uint8_t reserved[23]; +} __attribute__ ((packed)); + +struct mfi_ld_progress { + uint32_t active; +#define MFI_LD_PROGRESS_CC (1<<0) +#define MFI_LD_PROGRESS_BGI (1<<1) +#define MFI_LD_PROGRESS_FGI (1<<2) +#define MFI_LD_PORGRESS_RECON (1<<3) + struct mfi_progress cc; + struct mfi_progress bgi; + struct mfi_progress fgi; + struct mfi_progress recon; + struct mfi_progress reserved[4]; +} __attribute__ ((packed)); + +struct mfi_span { + uint64_t start_block; + uint64_t num_blocks; + uint16_t array_ref; + uint8_t reserved[6]; +} __attribute__ ((packed)); + +#define MFI_MAX_SPAN_DEPTH 8 +struct mfi_ld_config { + struct mfi_ld_props properties; + struct mfi_ld_params params; + struct mfi_span span[MFI_MAX_SPAN_DEPTH]; +} __attribute__ ((packed)); + +struct mfi_ld_info { + struct mfi_ld_config ld_config; + uint64_t size; + struct mfi_ld_progress progress; + uint16_t cluster_owner; + uint8_t reconstruct_active; + uint8_t reserved1[1]; + uint8_t vpd_page83[64]; + uint8_t reserved2[16]; +} __attribute__ ((packed)); + +union mfi_spare_type { + uint8_t flags; +#define MFI_SPARE_IS_DEDICATED (1 << 0) +#define MFI_SPARE_IS_REVERTABLE (1 << 1) +#define MFI_SPARE_IS_ENCL_AFFINITY (1 << 2) + uint8_t type; +} __attribute__ ((packed)); + +#define MFI_MAX_ARRAYS 16 +struct mfi_spare { + union mfi_pd_ref ref; + union mfi_spare_type spare_type; + uint8_t reserved[2]; + uint8_t array_count; + uint16_t array_refd[MFI_MAX_ARRAYS]; +} __attribute__ ((packed)); + +#define MFI_MAX_ROW_SIZE 32 +struct mfi_array { + uint64_t size; + uint8_t num_drives; + uint8_t reserved; + uint16_t array_ref; + uint8_t pad[20]; + struct { + union mfi_pd_ref ref; + uint16_t fw_state; /* enum mfi_syspd_state */ + struct { + uint8_t pd; + uint8_t slot; + } encl; + } pd[MFI_MAX_ROW_SIZE]; +} __attribute__ ((packed)); + +struct mfi_config_data { + uint32_t size; + uint16_t array_count; + uint16_t array_size; + uint16_t log_drv_count; + uint16_t log_drv_size; + uint16_t spares_count; + uint16_t spares_size; + uint8_t reserved[16]; + /* + struct mfi_array array[]; + struct mfi_ld_config ld[]; + struct mfi_spare spare[]; + */ +} __attribute__ ((packed)); + +#define MFI_SCSI_MAX_TARGETS 128 +#define MFI_SCSI_MAX_LUNS 8 +#define MFI_SCSI_INITIATOR_ID 255 +#define MFI_SCSI_MAX_CMDS 8 +#define MFI_SCSI_MAX_CDB_LEN 16 + +#endif /* MFI_REG_H */ diff --git a/hw/pci_ids.h b/hw/pci_ids.h index 649e6b379d..b4801d2168 100644 --- a/hw/pci_ids.h +++ b/hw/pci_ids.h @@ -15,6 +15,7 @@ #define PCI_CLASS_STORAGE_SCSI 0x0100 #define PCI_CLASS_STORAGE_IDE 0x0101 +#define PCI_CLASS_STORAGE_RAID 0x0104 #define PCI_CLASS_STORAGE_SATA 0x0106 #define PCI_CLASS_STORAGE_OTHER 0x0180 @@ -47,6 +48,7 @@ #define PCI_VENDOR_ID_LSI_LOGIC 0x1000 #define PCI_DEVICE_ID_LSI_53C895A 0x0012 +#define PCI_DEVICE_ID_LSI_SAS1078 0x0060 #define PCI_VENDOR_ID_DEC 0x1011 #define PCI_DEVICE_ID_DEC_21154 0x0026 diff --git a/hw/scsi-bus.c b/hw/scsi-bus.c index 14e2f730b8..5ad1013be1 100644 --- a/hw/scsi-bus.c +++ b/hw/scsi-bus.c @@ -734,20 +734,16 @@ static int scsi_req_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf) switch (buf[0] >> 5) { case 0: cmd->xfer = buf[4]; - cmd->len = 6; break; case 1: case 2: cmd->xfer = lduw_be_p(&buf[7]); - cmd->len = 10; break; case 4: cmd->xfer = ldl_be_p(&buf[10]) & 0xffffffffULL; - cmd->len = 16; break; case 5: cmd->xfer = ldl_be_p(&buf[6]) & 0xffffffffULL; - cmd->len = 12; break; default: return -1; @@ -771,11 +767,9 @@ static int scsi_req_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf) case SYNCHRONIZE_CACHE_16: case LOCATE_16: case LOCK_UNLOCK_CACHE: - case LOAD_UNLOAD: case SET_CD_SPEED: case SET_LIMITS: case WRITE_LONG_10: - case MOVE_MEDIUM: case UPDATE_BLOCK: case RESERVE_TRACK: case SET_READ_AHEAD: @@ -885,7 +879,6 @@ static int scsi_req_stream_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *bu case READ_REVERSE: case RECOVER_BUFFERED_DATA: case WRITE_6: - cmd->len = 6; cmd->xfer = buf[4] | (buf[3] << 8) | (buf[2] << 16); if (buf[1] & 0x01) { /* fixed */ cmd->xfer *= dev->blocksize; @@ -895,22 +888,34 @@ static int scsi_req_stream_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *bu case READ_REVERSE_16: case VERIFY_16: case WRITE_16: - cmd->len = 16; cmd->xfer = buf[14] | (buf[13] << 8) | (buf[12] << 16); if (buf[1] & 0x01) { /* fixed */ cmd->xfer *= dev->blocksize; } break; case REWIND: - case START_STOP: - cmd->len = 6; + case LOAD_UNLOAD: cmd->xfer = 0; break; case SPACE_16: cmd->xfer = buf[13] | (buf[12] << 8); break; case READ_POSITION: - cmd->xfer = buf[8] | (buf[7] << 8); + switch (buf[1] & 0x1f) /* operation code */ { + case SHORT_FORM_BLOCK_ID: + case SHORT_FORM_VENDOR_SPECIFIC: + cmd->xfer = 20; + break; + case LONG_FORM: + cmd->xfer = 32; + break; + case EXTENDED_FORM: + cmd->xfer = buf[8] | (buf[7] << 8); + break; + default: + return -1; + } + break; case FORMAT_UNIT: cmd->xfer = buf[4] | (buf[3] << 8); @@ -922,6 +927,29 @@ static int scsi_req_stream_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *bu return 0; } +static int scsi_req_medium_changer_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf) +{ + switch (buf[0]) { + /* medium changer commands */ + case EXCHANGE_MEDIUM: + case INITIALIZE_ELEMENT_STATUS: + case INITIALIZE_ELEMENT_STATUS_WITH_RANGE: + case MOVE_MEDIUM: + case POSITION_TO_ELEMENT: + cmd->xfer = 0; + break; + case READ_ELEMENT_STATUS: + cmd->xfer = buf[9] | (buf[8] << 8) | (buf[7] << 16); + break; + + /* generic commands */ + default: + return scsi_req_length(cmd, dev, buf); + } + return 0; +} + + static void scsi_cmd_xfer_mode(SCSICommand *cmd) { if (!cmd->xfer) { @@ -1001,11 +1029,36 @@ int scsi_req_parse(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf) { int rc; - if (dev->type == TYPE_TAPE) { - rc = scsi_req_stream_length(cmd, dev, buf); - } else { - rc = scsi_req_length(cmd, dev, buf); + switch (buf[0] >> 5) { + case 0: + cmd->len = 6; + break; + case 1: + case 2: + cmd->len = 10; + break; + case 4: + cmd->len = 16; + break; + case 5: + cmd->len = 12; + break; + default: + return -1; } + + switch (dev->type) { + case TYPE_TAPE: + rc = scsi_req_stream_length(cmd, dev, buf); + break; + case TYPE_MEDIUM_CHANGER: + rc = scsi_req_medium_changer_length(cmd, dev, buf); + break; + default: + rc = scsi_req_length(cmd, dev, buf); + break; + } + if (rc != 0) return rc; @@ -1183,7 +1236,8 @@ static const char *scsi_command_name(uint8_t cmd) [ REQUEST_SENSE ] = "REQUEST_SENSE", [ FORMAT_UNIT ] = "FORMAT_UNIT", [ READ_BLOCK_LIMITS ] = "READ_BLOCK_LIMITS", - [ REASSIGN_BLOCKS ] = "REASSIGN_BLOCKS", + [ REASSIGN_BLOCKS ] = "REASSIGN_BLOCKS/INITIALIZE ELEMENT STATUS", + /* LOAD_UNLOAD and INITIALIZE_ELEMENT_STATUS use the same operation code */ [ READ_6 ] = "READ_6", [ WRITE_6 ] = "WRITE_6", [ SET_CAPACITY ] = "SET_CAPACITY", @@ -1200,14 +1254,16 @@ static const char *scsi_command_name(uint8_t cmd) [ COPY ] = "COPY", [ ERASE ] = "ERASE", [ MODE_SENSE ] = "MODE_SENSE", - [ START_STOP ] = "START_STOP", + [ START_STOP ] = "START_STOP/LOAD_UNLOAD", + /* LOAD_UNLOAD and START_STOP use the same operation code */ [ RECEIVE_DIAGNOSTIC ] = "RECEIVE_DIAGNOSTIC", [ SEND_DIAGNOSTIC ] = "SEND_DIAGNOSTIC", [ ALLOW_MEDIUM_REMOVAL ] = "ALLOW_MEDIUM_REMOVAL", [ READ_CAPACITY_10 ] = "READ_CAPACITY_10", [ READ_10 ] = "READ_10", [ WRITE_10 ] = "WRITE_10", - [ SEEK_10 ] = "SEEK_10", + [ SEEK_10 ] = "SEEK_10/POSITION_TO_ELEMENT", + /* SEEK_10 and POSITION_TO_ELEMENT use the same operation code */ [ WRITE_VERIFY_10 ] = "WRITE_VERIFY_10", [ VERIFY_10 ] = "VERIFY_10", [ SEARCH_HIGH ] = "SEARCH_HIGH", @@ -1218,7 +1274,8 @@ static const char *scsi_command_name(uint8_t cmd) /* READ_POSITION and PRE_FETCH use the same operation code */ [ SYNCHRONIZE_CACHE ] = "SYNCHRONIZE_CACHE", [ LOCK_UNLOCK_CACHE ] = "LOCK_UNLOCK_CACHE", - [ READ_DEFECT_DATA ] = "READ_DEFECT_DATA", + [ READ_DEFECT_DATA ] = "READ_DEFECT_DATA/INITIALIZE_ELEMENT_STATUS_WITH_RANGE", + /* READ_DEFECT_DATA and INITIALIZE_ELEMENT_STATUS_WITH_RANGE use the same operation code */ [ MEDIUM_SCAN ] = "MEDIUM_SCAN", [ COMPARE ] = "COMPARE", [ COPY_VERIFY ] = "COPY_VERIFY", @@ -1263,6 +1320,7 @@ static const char *scsi_command_name(uint8_t cmd) [ REPORT_LUNS ] = "REPORT_LUNS", [ BLANK ] = "BLANK", [ MOVE_MEDIUM ] = "MOVE_MEDIUM", + [ EXCHANGE_MEDIUM ] = "EXCHANGE MEDIUM", [ LOAD_UNLOAD ] = "LOAD_UNLOAD", [ READ_12 ] = "READ_12", [ WRITE_12 ] = "WRITE_12", @@ -1389,7 +1447,7 @@ void scsi_req_complete(SCSIRequest *req, int status) assert(req->status == -1); req->status = status; - assert(req->sense_len < sizeof(req->sense)); + assert(req->sense_len <= sizeof(req->sense)); if (status == GOOD) { req->sense_len = 0; } diff --git a/hw/scsi-defs.h b/hw/scsi-defs.h index 219c84dfb1..8a73f745ba 100644 --- a/hw/scsi-defs.h +++ b/hw/scsi-defs.h @@ -29,6 +29,7 @@ #define REQUEST_SENSE 0x03 #define FORMAT_UNIT 0x04 #define READ_BLOCK_LIMITS 0x05 +#define INITIALIZE_ELEMENT_STATUS 0x07 #define REASSIGN_BLOCKS 0x07 #define READ_6 0x08 #define WRITE_6 0x0a @@ -44,6 +45,7 @@ #define COPY 0x18 #define ERASE 0x19 #define MODE_SENSE 0x1a +#define LOAD_UNLOAD 0x1b #define START_STOP 0x1b #define RECEIVE_DIAGNOSTIC 0x1c #define SEND_DIAGNOSTIC 0x1d @@ -53,6 +55,7 @@ #define WRITE_10 0x2a #define SEEK_10 0x2b #define LOCATE_10 0x2b +#define POSITION_TO_ELEMENT 0x2b #define WRITE_VERIFY_10 0x2e #define VERIFY_10 0x2f #define SEARCH_HIGH 0x30 @@ -63,6 +66,7 @@ #define READ_POSITION 0x34 #define SYNCHRONIZE_CACHE 0x35 #define LOCK_UNLOCK_CACHE 0x36 +#define INITIALIZE_ELEMENT_STATUS_WITH_RANGE 0x37 #define READ_DEFECT_DATA 0x37 #define MEDIUM_SCAN 0x38 #define COMPARE 0x39 @@ -82,6 +86,7 @@ #define GET_EVENT_STATUS_NOTIFICATION 0x4a #define LOG_SELECT 0x4c #define LOG_SENSE 0x4d +#define READ_DISC_INFORMATION 0x51 #define RESERVE_TRACK 0x53 #define MODE_SELECT_10 0x55 #define RESERVE_10 0x56 @@ -116,7 +121,7 @@ #define MAINTENANCE_IN 0xa3 #define MAINTENANCE_OUT 0xa4 #define MOVE_MEDIUM 0xa5 -#define LOAD_UNLOAD 0xa6 +#define EXCHANGE_MEDIUM 0xa6 #define SET_READ_AHEAD 0xa7 #define READ_12 0xa8 #define WRITE_12 0xaa @@ -141,6 +146,14 @@ */ #define SAI_READ_CAPACITY_16 0x10 +/* + * READ POSITION service action codes + */ +#define SHORT_FORM_BLOCK_ID 0x00 +#define SHORT_FORM_VENDOR_SPECIFIC 0x01 +#define LONG_FORM 0x06 +#define EXTENDED_FORM 0x08 + /* * SAM Status codes */ diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c index ae2519458c..34336b1b58 100644 --- a/hw/scsi-disk.c +++ b/hw/scsi-disk.c @@ -67,6 +67,7 @@ struct SCSIDiskState bool media_changed; bool media_event; bool eject_request; + uint64_t wwn; QEMUBH *bh; char *version; char *serial; @@ -522,6 +523,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) { SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); int buflen = 0; + int start; if (req->cmd.buf[1] & 0x1) { /* Vital product data */ @@ -530,14 +532,14 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) outbuf[buflen++] = s->qdev.type & 0x1f; outbuf[buflen++] = page_code ; // this page outbuf[buflen++] = 0x00; + outbuf[buflen++] = 0x00; + start = buflen; switch (page_code) { case 0x00: /* Supported page codes, mandatory */ { - int pages; DPRINTF("Inquiry EVPD[Supported pages] " "buffer size %zd\n", req->cmd.xfer); - pages = buflen++; outbuf[buflen++] = 0x00; // list of supported pages (this page) if (s->serial) { outbuf[buflen++] = 0x80; // unit serial number @@ -547,7 +549,6 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) outbuf[buflen++] = 0xb0; // block limits outbuf[buflen++] = 0xb2; // thin provisioning } - outbuf[pages] = buflen - pages - 1; // number of pages break; } case 0x80: /* Device serial number, optional */ @@ -566,7 +567,6 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) DPRINTF("Inquiry EVPD[Serial number] " "buffer size %zd\n", req->cmd.xfer); - outbuf[buflen++] = l; memcpy(outbuf+buflen, s->serial, l); buflen += l; break; @@ -584,14 +584,21 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) DPRINTF("Inquiry EVPD[Device identification] " "buffer size %zd\n", req->cmd.xfer); - outbuf[buflen++] = 4 + id_len; outbuf[buflen++] = 0x2; // ASCII outbuf[buflen++] = 0; // not officially assigned outbuf[buflen++] = 0; // reserved outbuf[buflen++] = id_len; // length of data following - memcpy(outbuf+buflen, str, id_len); buflen += id_len; + + if (s->wwn) { + outbuf[buflen++] = 0x1; // Binary + outbuf[buflen++] = 0x3; // NAA + outbuf[buflen++] = 0; // reserved + outbuf[buflen++] = 8; + stq_be_p(&outbuf[buflen], s->wwn); + buflen += 8; + } break; } case 0xb0: /* block limits */ @@ -609,8 +616,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) return -1; } /* required VPD size with unmap support */ - outbuf[3] = buflen = 0x3c; - + buflen = 0x40; memset(outbuf + 4, 0, buflen - 4); /* optimal transfer length granularity */ @@ -632,7 +638,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) } case 0xb2: /* thin provisioning */ { - outbuf[3] = buflen = 8; + buflen = 8; outbuf[4] = 0; outbuf[5] = 0x60; /* write_same 10/16 supported */ outbuf[6] = s->qdev.conf.discard_granularity ? 2 : 1; @@ -643,6 +649,8 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) return -1; } /* done with EVPD */ + assert(buflen - start <= 255); + outbuf[start - 1] = buflen - start; return buflen; } @@ -716,6 +724,39 @@ static inline bool media_is_cd(SCSIDiskState *s) return nb_sectors <= CD_MAX_SECTORS; } +static int scsi_read_disc_information(SCSIDiskState *s, SCSIDiskReq *r, + uint8_t *outbuf) +{ + uint8_t type = r->req.cmd.buf[1] & 7; + + if (s->qdev.type != TYPE_ROM) { + return -1; + } + + /* Types 1/2 are only defined for Blu-Ray. */ + if (type != 0) { + scsi_check_condition(r, SENSE_CODE(INVALID_FIELD)); + return -1; + } + + memset(outbuf, 0, 34); + outbuf[1] = 32; + outbuf[2] = 0xe; /* last session complete, disc finalized */ + outbuf[3] = 1; /* first track on disc */ + outbuf[4] = 1; /* # of sessions */ + outbuf[5] = 1; /* first track of last session */ + outbuf[6] = 1; /* last track of last session */ + outbuf[7] = 0x20; /* unrestricted use */ + outbuf[8] = 0x00; /* CD-ROM or DVD-ROM */ + /* 9-10-11: most significant byte corresponding bytes 4-5-6 */ + /* 12-23: not meaningful for CD-ROM or DVD-ROM */ + /* 24-31: disc bar code */ + /* 32: disc application code */ + /* 33: number of OPC tables */ + + return 34; +} + static int scsi_read_dvd_structure(SCSIDiskState *s, SCSIDiskReq *r, uint8_t *outbuf) { @@ -1355,6 +1396,12 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r) goto illegal_request; } break; + case READ_DISC_INFORMATION: + buflen = scsi_read_disc_information(s, r, outbuf); + if (buflen < 0) { + goto illegal_request; + } + break; case READ_DVD_STRUCTURE: buflen = scsi_read_dvd_structure(s, r, outbuf); if (buflen < 0) { @@ -1482,6 +1529,7 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *buf) case ALLOW_MEDIUM_REMOVAL: case READ_CAPACITY_10: case READ_TOC: + case READ_DISC_INFORMATION: case READ_DVD_STRUCTURE: case GET_CONFIGURATION: case GET_EVENT_STATUS_NOTIFICATION: @@ -1925,6 +1973,7 @@ static Property scsi_hd_properties[] = { SCSI_DISK_F_REMOVABLE, false), DEFINE_PROP_BIT("dpofua", SCSIDiskState, features, SCSI_DISK_F_DPOFUA, false), + DEFINE_PROP_HEX64("wwn", SCSIDiskState, wwn, 0), DEFINE_PROP_END_OF_LIST(), }; @@ -1969,6 +2018,7 @@ static TypeInfo scsi_hd_info = { static Property scsi_cd_properties[] = { DEFINE_SCSI_DISK_PROPERTIES(), + DEFINE_PROP_HEX64("wwn", SCSIDiskState, wwn, 0), DEFINE_PROP_END_OF_LIST(), }; @@ -2030,6 +2080,7 @@ static Property scsi_disk_properties[] = { SCSI_DISK_F_REMOVABLE, false), DEFINE_PROP_BIT("dpofua", SCSIDiskState, features, SCSI_DISK_F_DPOFUA, false), + DEFINE_PROP_HEX64("wwn", SCSIDiskState, wwn, 0), DEFINE_PROP_END_OF_LIST(), }; diff --git a/hw/scsi-generic.c b/hw/scsi-generic.c index d856d23b3b..8d5106061e 100644 --- a/hw/scsi-generic.c +++ b/hw/scsi-generic.c @@ -400,12 +400,6 @@ static int scsi_generic_initfn(SCSIDevice *s) return -1; } - /* check we are really using a /dev/sg* file */ - if (!bdrv_is_sg(s->conf.bs)) { - error_report("not /dev/sg*"); - return -1; - } - if (bdrv_get_on_error(s->conf.bs, 0) != BLOCK_ERR_STOP_ENOSPC) { error_report("Device doesn't support drive option werror"); return -1; @@ -416,8 +410,11 @@ static int scsi_generic_initfn(SCSIDevice *s) } /* check we are using a driver managing SG_IO (version 3 and after */ - if (bdrv_ioctl(s->conf.bs, SG_GET_VERSION_NUM, &sg_version) < 0 || - sg_version < 30000) { + if (bdrv_ioctl(s->conf.bs, SG_GET_VERSION_NUM, &sg_version) < 0) { + error_report("scsi generic interface not supported"); + return -1; + } + if (sg_version < 30000) { error_report("scsi generic interface too old"); return -1; } diff --git a/hw/virtio-scsi.c b/hw/virtio-scsi.c index e1a767ea78..0a5ac40e2f 100644 --- a/hw/virtio-scsi.c +++ b/hw/virtio-scsi.c @@ -405,6 +405,10 @@ static void virtio_scsi_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq) } } +static void virtio_scsi_handle_event(VirtIODevice *vdev, VirtQueue *vq) +{ +} + static void virtio_scsi_command_complete(SCSIRequest *r, uint32_t status, size_t resid) { @@ -609,7 +613,7 @@ VirtIODevice *virtio_scsi_init(DeviceState *dev, VirtIOSCSIConf *proxyconf) s->ctrl_vq = virtio_add_queue(&s->vdev, VIRTIO_SCSI_VQ_SIZE, virtio_scsi_handle_ctrl); s->event_vq = virtio_add_queue(&s->vdev, VIRTIO_SCSI_VQ_SIZE, - NULL); + virtio_scsi_handle_event); for (i = 0; i < s->conf->num_queues; i++) { s->cmd_vqs[i] = virtio_add_queue(&s->vdev, VIRTIO_SCSI_VQ_SIZE, virtio_scsi_handle_cmd); diff --git a/trace-events b/trace-events index c935ba24f4..bd0ca7e728 100644 --- a/trace-events +++ b/trace-events @@ -512,6 +512,85 @@ lm32_uart_irq_state(int level) "irq state %d" # hw/lm32_sys.c lm32_sys_memory_write(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x" +# hw/megasas.c +megasas_init_firmware(uint64_t pa) "pa %" PRIx64 " " +megasas_init_queue(uint64_t queue_pa, int queue_len, uint64_t head, uint64_t tail, uint32_t flags) "queue at %" PRIx64 " len %d head %" PRIx64 " tail %" PRIx64 " flags %x" +megasas_initq_map_failed(int frame) "scmd %d: failed to map queue" +megasas_initq_mismatch(int queue_len, int fw_cmds) "queue size %d max fw cmds %d" +megasas_qf_found(unsigned int index, uint64_t pa) "found mapped frame %x pa %" PRIx64 "" +megasas_qf_new(unsigned int index, void *cmd) "return new frame %x cmd %p" +megasas_qf_failed(unsigned long pa) "all frames busy for frame %lx" +megasas_qf_enqueue(unsigned int index, unsigned int count, uint64_t context, unsigned int tail, int busy) "enqueue frame %x count %d context %" PRIx64 " tail %x busy %d" +megasas_qf_update(unsigned int head, unsigned int busy) "update reply queue head %x busy %d" +megasas_qf_dequeue(unsigned int index) "dequeue frame %x" +megasas_qf_map_failed(int cmd, unsigned long frame) "scmd %d: frame %lu" +megasas_qf_complete_noirq(uint64_t context) "context %" PRIx64 " " +megasas_qf_complete(uint64_t context, unsigned int tail, unsigned int offset, int busy, unsigned int doorbell) "context %" PRIx64 " tail %x offset %d busy %d doorbell %x" +megasas_handle_frame(const char *cmd, uint64_t addr, uint64_t context, uint32_t count) "MFI cmd %s addr %" PRIx64 " context %" PRIx64 " count %d" +megasas_frame_busy(uint64_t addr) "frame %" PRIx64 " busy" +megasas_unhandled_frame_cmd(int cmd, uint8_t frame_cmd) "scmd %d: Unhandled MFI cmd %x" +megasas_handle_scsi(const char *frame, int bus, int dev, int lun, void *sdev, unsigned long size) "%s dev %x/%x/%x sdev %p xfer %lu" +megasas_scsi_target_not_present(const char *frame, int bus, int dev, int lun) "%s dev %x/%x/%x target not present" +megasas_scsi_invalid_cdb_len(const char *frame, int bus, int dev, int lun, int len) "%s dev %x/%x/%x invalid cdb len %d" +megasas_iov_read_overflow(int cmd, int bytes, int len) "scmd %d: %d/%d bytes" +megasas_iov_write_overflow(int cmd, int bytes, int len) "scmd %d: %d/%d bytes" +megasas_iov_read_underflow(int cmd, int bytes, int len) "scmd %d: %d/%d bytes" +megasas_iov_write_underflow(int cmd, int bytes, int len) "scmd %d: %d/%d bytes" +megasas_scsi_req_alloc_failed(const char *frame, int dev, int lun) "%s dev %x/%x req allocation failed" +megasas_scsi_read_start(int cmd, int len) "scmd %d: transfer %d bytes of data" +megasas_scsi_write_start(int cmd, int len) "scmd %d: transfer %d bytes of data" +megasas_scsi_nodata(int cmd) "scmd %d: no data to be transferred" +megasas_scsi_complete(int cmd, uint32_t status, int len, int xfer) "scmd %d: finished with status %x, len %u/%u" +megasas_command_complete(int cmd, uint32_t status, uint32_t resid) "scmd %d: command completed, status %x, residual %d" +megasas_handle_io(int cmd, const char *frame, int dev, int lun, unsigned long lba, unsigned long count) "scmd %d: %s dev %x/%x lba %lx count %lu" +megasas_io_target_not_present(int cmd, const char *frame, int dev, int lun) "scmd %d: %s dev 1/%x/%x LUN not present" +megasas_io_read_start(int cmd, unsigned long lba, unsigned long count, unsigned long len) "scmd %d: start LBA %lx %lu blocks (%lu bytes)" +megasas_io_write_start(int cmd, unsigned long lba, unsigned long count, unsigned long len) "scmd %d: start LBA %lx %lu blocks (%lu bytes)" +megasas_io_complete(int cmd, uint32_t len) "scmd %d: %d bytes completed" +megasas_io_read(int cmd, int bytes, int len, unsigned long offset) "scmd %d: %d/%d bytes, iov offset %lu" +megasas_io_write(int cmd, int bytes, int len, unsigned long offset) "scmd %d: %d/%d bytes, iov offset %lu" +megasas_io_continue(int cmd, int bytes) "scmd %d: %d bytes left" +megasas_iovec_map_failed(int cmd, int index, unsigned long iov_size) "scmd %d: iovec %d size %lu" +megasas_iovec_sgl_overflow(int cmd, int index, int limit) "scmd %d: iovec count %d limit %d" +megasas_iovec_sgl_underflow(int cmd, int index) "scmd %d: iovec count %d" +megasas_iovec_sgl_invalid(int cmd, int index, uint64_t pa, uint32_t len) "scmd %d: element %d pa %" PRIx64 " len %u" +megasas_iovec_overflow(int cmd, int len, int limit) "scmd %d: len %d limit %d" +megasas_iovec_underflow(int cmd, int len, int limit) "scmd %d: len %d limit %d" +megasas_handle_dcmd(int cmd, int opcode) "scmd %d: MFI DCMD opcode %x" +megasas_finish_dcmd(int cmd, int size) "scmd %d: MFI DCMD wrote %d bytes" +megasas_dcmd_req_alloc_failed(int cmd, const char *desc) "scmd %d: %s alloc failed" +megasas_dcmd_internal_submit(int cmd, const char *desc, int dev) "scmd %d: %s to dev %d" +megasas_dcmd_internal_finish(int cmd, int opcode, int lun) "scmd %d: DCMD finish internal cmd %x lun %d" +megasas_dcmd_internal_invalid(int cmd, int opcode) "scmd %d: Invalid internal DCMD %x" +megasas_dcmd_unhandled(int cmd, int opcode, int len) "scmd %d: opcode %x, len %d" +megasas_dcmd_zero_sge(int cmd) "scmd %d: zero DCMD sge count" +megasas_dcmd_invalid_sge(int cmd, int count) "scmd %d: invalid DCMD sge count %d" +megasas_dcmd_map_failed(int cmd) "scmd %d: Failed to map DCMD buffer" +megasas_dcmd_invalid_xfer_len(int cmd, unsigned long size, unsigned long max) "scmd %d: invalid xfer len %ld, max %ld" +megasas_dcmd_enter(int cmd, const char *dcmd, int len) "scmd %d: DCMD %s len %d" +megasas_dcmd_dummy(int cmd, unsigned long size) "scmd %d: DCMD dummy xfer len %ld" +megasas_dcmd_set_fw_time(int cmd, unsigned long time) "scmd %d: Set FW time %lx" +megasas_dcmd_pd_get_list(int cmd, int num, int max, int offset) "scmd %d: DCMD PD get list: %d / %d PDs, size %d" +megasas_dcmd_ld_get_list(int cmd, int num, int max) "scmd %d: DCMD LD get list: found %d / %d LDs" +megasas_dcmd_ld_get_info(int cmd, int ld_id) "scmd %d: DCMD LD get info for dev %d" +megasas_dcmd_pd_get_info(int cmd, int pd_id) "scmd %d: DCMD PD get info for dev %d" +megasas_dcmd_pd_list_query(int cmd, int flags) "scmd %d: DCMD PD list query flags %x" +megasas_dcmd_dump_frame(int offset, char f0, char f1, char f2, char f3, char f4, char f5, char f6, char f7) "0x%x: %02x %02x %02x %02x %02x %02x %02x %02x" +megasas_abort_frame(int cmd, int abort_cmd) "scmd %d: aborting frame %x" +megasas_abort_no_cmd(int cmd, uint64_t context) "scmd %d: no active command for frame context %" PRIx64 "" +megasas_abort_invalid_context(int cmd, uint64_t context, int abort_cmd) "scmd %d: invalid frame context %" PRIx64 " for abort frame %x" +megasas_reset(void) "Reset" +megasas_init(int sges, int cmds, const char *intr, const char *mode) "Using %d sges, %d cmds, %s, %s mode" +megasas_msix_raise(int vector) "vector %d" +megasas_irq_lower(void) "INTx" +megasas_irq_raise(void) "INTx" +megasas_intr_enabled(void) "Interrupts enabled" +megasas_intr_disabled(void) "Interrupts disabled" +megasas_mmio_readl(unsigned long addr, uint32_t val) "addr 0x%lx: 0x%x" +megasas_mmio_invalid_readl(unsigned long addr) "addr 0x%lx" +megasas_mmio_writel(uint32_t addr, uint32_t val) "addr 0x%x: 0x%x" +megasas_mmio_invalid_writel(uint32_t addr, uint32_t val) "addr 0x%x: 0x%x" + # hw/milkymist-ac97.c milkymist_ac97_memory_read(uint32_t addr, uint32_t value) "addr %08x value %08x" milkymist_ac97_memory_write(uint32_t addr, uint32_t value) "addr %08x value %08x"