static void hpsa_flush_cache(struct ctlr_info *h);
static int hpsa_scsi_ioaccel_queue_command(struct ctlr_info *h,
struct CommandList *c, u32 ioaccel_handle, u8 *cdb, int cdb_len,
- u8 *scsi3addr);
+ u8 *scsi3addr, struct hpsa_scsi_dev_t *phys_disk);
static void hpsa_command_resubmit_worker(struct work_struct *work);
static inline struct ctlr_info *sdev_to_hba(struct scsi_device *sdev)
/* Raid level changed. */
h->dev[entry]->raid_level = new_entry->raid_level;
- /* Raid offload parameters changed. */
+ /* Raid offload parameters changed. Careful about the ordering. */
+ if (new_entry->offload_config && new_entry->offload_enabled) {
+ /*
+ * if drive is newly offload_enabled, we want to copy the
+ * raid map data first. If previously offload_enabled and
+ * offload_config were set, raid map data had better be
+ * the same as it was before. if raid map data is changed
+ * then it had better be the case that
+ * h->dev[entry]->offload_enabled is currently 0.
+ */
+ h->dev[entry]->raid_map = new_entry->raid_map;
+ h->dev[entry]->ioaccel_handle = new_entry->ioaccel_handle;
+ wmb(); /* ensure raid map updated prior to ->offload_enabled */
+ }
h->dev[entry]->offload_config = new_entry->offload_config;
- h->dev[entry]->offload_enabled = new_entry->offload_enabled;
- h->dev[entry]->ioaccel_handle = new_entry->ioaccel_handle;
h->dev[entry]->offload_to_mirror = new_entry->offload_to_mirror;
- h->dev[entry]->raid_map = new_entry->raid_map;
+ h->dev[entry]->offload_enabled = new_entry->offload_enabled;
+ h->dev[entry]->queue_depth = new_entry->queue_depth;
dev_info(&h->pdev->dev, "%s device c%db%dt%dl%d updated.\n",
scsi_device_type(new_entry->devtype), hostno, new_entry->bus,
return 1;
if (dev1->offload_enabled != dev2->offload_enabled)
return 1;
+ if (dev1->queue_depth != dev2->queue_depth)
+ return 1;
return 0;
}
}
}
+/*
+ * Figure the list of physical drive pointers for a logical drive with
+ * raid offload configured.
+ */
+static void hpsa_figure_phys_disk_ptrs(struct ctlr_info *h,
+ struct hpsa_scsi_dev_t *dev[], int ndevices,
+ struct hpsa_scsi_dev_t *logical_drive)
+{
+ struct raid_map_data *map = &logical_drive->raid_map;
+ struct raid_map_disk_data *dd = &map->data[0];
+ int i, j;
+ int total_disks_per_row = le16_to_cpu(map->data_disks_per_row) +
+ le16_to_cpu(map->metadata_disks_per_row);
+ int nraid_map_entries = le16_to_cpu(map->row_cnt) *
+ le16_to_cpu(map->layout_map_count) *
+ total_disks_per_row;
+ int nphys_disk = le16_to_cpu(map->layout_map_count) *
+ total_disks_per_row;
+ int qdepth;
+
+ if (nraid_map_entries > RAID_MAP_MAX_ENTRIES)
+ nraid_map_entries = RAID_MAP_MAX_ENTRIES;
+
+ qdepth = 0;
+ for (i = 0; i < nraid_map_entries; i++) {
+ logical_drive->phys_disk[i] = NULL;
+ if (!logical_drive->offload_config)
+ continue;
+ for (j = 0; j < ndevices; j++) {
+ if (dev[j]->devtype != TYPE_DISK)
+ continue;
+ if (is_logical_dev_addr_mode(dev[j]->scsi3addr))
+ continue;
+ if (dev[j]->ioaccel_handle != dd[i].ioaccel_handle)
+ continue;
+
+ logical_drive->phys_disk[i] = dev[j];
+ if (i < nphys_disk)
+ qdepth = min(h->nr_cmds, qdepth +
+ logical_drive->phys_disk[i]->queue_depth);
+ break;
+ }
+
+ /*
+ * This can happen if a physical drive is removed and
+ * the logical drive is degraded. In that case, the RAID
+ * map data will refer to a physical disk which isn't actually
+ * present. And in that case offload_enabled should already
+ * be 0, but we'll turn it off here just in case
+ */
+ if (!logical_drive->phys_disk[i]) {
+ logical_drive->offload_enabled = 0;
+ logical_drive->queue_depth = h->nr_cmds;
+ }
+ }
+ if (nraid_map_entries)
+ /*
+ * This is correct for reads, too high for full stripe writes,
+ * way too high for partial stripe writes
+ */
+ logical_drive->queue_depth = qdepth;
+ else
+ logical_drive->queue_depth = h->nr_cmds;
+}
+
+static void hpsa_update_log_drive_phys_drive_ptrs(struct ctlr_info *h,
+ struct hpsa_scsi_dev_t *dev[], int ndevices)
+{
+ int i;
+
+ for (i = 0; i < ndevices; i++) {
+ if (dev[i]->devtype != TYPE_DISK)
+ continue;
+ if (!is_logical_dev_addr_mode(dev[i]->scsi3addr))
+ continue;
+ hpsa_figure_phys_disk_ptrs(h, dev, ndevices, dev[i]);
+ }
+}
+
static void adjust_hpsa_scsi_table(struct ctlr_info *h, int hostno,
struct hpsa_scsi_dev_t *sd[], int nsds)
{
spin_lock_irqsave(&h->devlock, flags);
sd = lookup_hpsa_scsi_dev(h, sdev_channel(sdev),
sdev_id(sdev), sdev->lun);
- if (sd != NULL)
+ if (sd != NULL) {
sdev->hostdata = sd;
+ if (sd->queue_depth)
+ scsi_change_queue_depth(sdev, sd->queue_depth);
+ atomic_set(&sd->ioaccel_cmds_out, 0);
+ }
spin_unlock_irqrestore(&h->devlock, flags);
return 0;
}
cmd->result = (DID_OK << 16); /* host byte */
cmd->result |= (COMMAND_COMPLETE << 8); /* msg byte */
+ if (cp->cmd_type == CMD_IOACCEL2 || cp->cmd_type == CMD_IOACCEL1)
+ atomic_dec(&cp->phys_disk->ioaccel_cmds_out);
+
if (cp->cmd_type == CMD_IOACCEL2)
return process_ioaccel2_completion(h, cp, cmd, dev);
scsi_set_resid(cmd, ei->ResidualCnt);
if (ei->CommandStatus == 0) {
+ if (cp->cmd_type == CMD_IOACCEL1)
+ atomic_dec(&cp->phys_disk->ioaccel_cmds_out);
cmd_free(h, cp);
cmd->scsi_done(cmd);
return;
return rc;
}
+static int hpsa_bmic_id_physical_device(struct ctlr_info *h,
+ unsigned char scsi3addr[], u16 bmic_device_index,
+ struct bmic_identify_physical_device *buf, size_t bufsize)
+{
+ int rc = IO_OK;
+ struct CommandList *c;
+ struct ErrorInfo *ei;
+
+ c = cmd_alloc(h);
+ rc = fill_cmd(c, BMIC_IDENTIFY_PHYSICAL_DEVICE, h, buf, bufsize,
+ 0, RAID_CTLR_LUNID, TYPE_CMD);
+ if (rc)
+ goto out;
+
+ c->Request.CDB[2] = bmic_device_index & 0xff;
+ c->Request.CDB[9] = (bmic_device_index >> 8) & 0xff;
+
+ hpsa_scsi_do_simple_cmd_with_retry(h, c, PCI_DMA_FROMDEVICE);
+ ei = c->err_info;
+ if (ei->CommandStatus != 0 && ei->CommandStatus != CMD_DATA_UNDERRUN) {
+ hpsa_scsi_interpret_error(h, c);
+ rc = -1;
+ }
+out:
+ cmd_free(h, c);
+ return rc;
+}
+
static int hpsa_vpd_page_supported(struct ctlr_info *h,
unsigned char scsi3addr[], u8 page)
{
}
static int hpsa_scsi_do_report_luns(struct ctlr_info *h, int logical,
- struct ReportLUNdata *buf, int bufsize,
+ void *buf, int bufsize,
int extended_response)
{
int rc = IO_OK;
hpsa_scsi_interpret_error(h, c);
rc = -1;
} else {
- if (buf->extended_response_flag != extended_response) {
+ struct ReportLUNdata *rld = buf;
+
+ if (rld->extended_response_flag != extended_response) {
dev_err(&h->pdev->dev,
"report luns requested format %u, got %u\n",
extended_response,
- buf->extended_response_flag);
+ rld->extended_response_flag);
rc = -1;
}
}
}
static inline int hpsa_scsi_do_report_phys_luns(struct ctlr_info *h,
- struct ReportLUNdata *buf,
- int bufsize, int extended_response)
+ struct ReportExtendedLUNdata *buf, int bufsize)
{
- return hpsa_scsi_do_report_luns(h, 0, buf, bufsize, extended_response);
+ return hpsa_scsi_do_report_luns(h, 0, buf, bufsize,
+ HPSA_REPORT_PHYS_EXTENDED);
}
static inline int hpsa_scsi_do_report_log_luns(struct ctlr_info *h,
this_device->offload_config = 0;
this_device->offload_enabled = 0;
this_device->volume_offline = 0;
+ this_device->queue_depth = h->nr_cmds;
}
if (is_OBDR_device) {
{
struct ReportExtendedLUNdata *physicals = NULL;
int responsesize = 24; /* size of physical extended response */
- int extended = 2; /* flag forces reporting 'other dev info'. */
int reportsize = sizeof(*physicals) + HPSA_MAX_PHYS_LUN * responsesize;
u32 nphysicals = 0; /* number of reported physical devs */
int found = 0; /* found match (1) or not (0) */
physicals = kzalloc(reportsize, GFP_KERNEL);
if (physicals == NULL)
return 0;
- if (hpsa_scsi_do_report_phys_luns(h, (struct ReportLUNdata *) physicals,
- reportsize, extended)) {
+ if (hpsa_scsi_do_report_phys_luns(h, physicals, reportsize)) {
dev_err(&h->pdev->dev,
"Can't lookup %s device handle: report physical LUNs failed.\n",
"HP SSD Smart Path");
* Returns 0 on success, -1 otherwise.
*/
static int hpsa_gather_lun_info(struct ctlr_info *h,
- int reportphyslunsize, int reportloglunsize,
- struct ReportLUNdata *physdev, u32 *nphysicals, int *physical_mode,
+ struct ReportExtendedLUNdata *physdev, u32 *nphysicals,
struct ReportLUNdata *logdev, u32 *nlogicals)
{
- int physical_entry_size = 8;
-
- *physical_mode = 0;
-
- /* For I/O accelerator mode we need to read physical device handles */
- if (h->transMethod & CFGTBL_Trans_io_accel1 ||
- h->transMethod & CFGTBL_Trans_io_accel2) {
- *physical_mode = HPSA_REPORT_PHYS_EXTENDED;
- physical_entry_size = 24;
- }
- if (hpsa_scsi_do_report_phys_luns(h, physdev, reportphyslunsize,
- *physical_mode)) {
+ if (hpsa_scsi_do_report_phys_luns(h, physdev, sizeof(*physdev))) {
dev_err(&h->pdev->dev, "report physical LUNs failed.\n");
return -1;
}
- *nphysicals = be32_to_cpu(*((__be32 *)physdev->LUNListLength)) /
- physical_entry_size;
+ *nphysicals = be32_to_cpu(*((__be32 *)physdev->LUNListLength)) / 24;
if (*nphysicals > HPSA_MAX_PHYS_LUN) {
- dev_warn(&h->pdev->dev, "maximum physical LUNs (%d) exceeded."
- " %d LUNs ignored.\n", HPSA_MAX_PHYS_LUN,
- *nphysicals - HPSA_MAX_PHYS_LUN);
+ dev_warn(&h->pdev->dev, "maximum physical LUNs (%d) exceeded. %d LUNs ignored.\n",
+ HPSA_MAX_PHYS_LUN, *nphysicals - HPSA_MAX_PHYS_LUN);
*nphysicals = HPSA_MAX_PHYS_LUN;
}
- if (hpsa_scsi_do_report_log_luns(h, logdev, reportloglunsize)) {
+ if (hpsa_scsi_do_report_log_luns(h, logdev, sizeof(*logdev))) {
dev_err(&h->pdev->dev, "report logical LUNs failed.\n");
return -1;
}
return hba_mode_enabled;
}
+/* get physical drive ioaccel handle and queue depth */
+static void hpsa_get_ioaccel_drive_info(struct ctlr_info *h,
+ struct hpsa_scsi_dev_t *dev,
+ u8 *lunaddrbytes,
+ struct bmic_identify_physical_device *id_phys)
+{
+ int rc;
+ struct ext_report_lun_entry *rle =
+ (struct ext_report_lun_entry *) lunaddrbytes;
+
+ dev->ioaccel_handle = rle->ioaccel_handle;
+ memset(id_phys, 0, sizeof(*id_phys));
+ rc = hpsa_bmic_id_physical_device(h, lunaddrbytes,
+ GET_BMIC_DRIVE_NUMBER(lunaddrbytes), id_phys,
+ sizeof(*id_phys));
+ if (!rc)
+ /* Reserve space for FW operations */
+#define DRIVE_CMDS_RESERVED_FOR_FW 2
+#define DRIVE_QUEUE_DEPTH 7
+ dev->queue_depth =
+ le16_to_cpu(id_phys->current_queue_depth_limit) -
+ DRIVE_CMDS_RESERVED_FOR_FW;
+ else
+ dev->queue_depth = DRIVE_QUEUE_DEPTH; /* conservative */
+ atomic_set(&dev->ioaccel_cmds_out, 0);
+}
+
static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
{
/* the idea here is we could get notified
*/
struct ReportExtendedLUNdata *physdev_list = NULL;
struct ReportLUNdata *logdev_list = NULL;
+ struct bmic_identify_physical_device *id_phys = NULL;
u32 nphysicals = 0;
u32 nlogicals = 0;
- int physical_mode = 0;
u32 ndev_allocated = 0;
struct hpsa_scsi_dev_t **currentsd, *this_device, *tmpdevice;
int ncurrent = 0;
physdev_list = kzalloc(sizeof(*physdev_list), GFP_KERNEL);
logdev_list = kzalloc(sizeof(*logdev_list), GFP_KERNEL);
tmpdevice = kzalloc(sizeof(*tmpdevice), GFP_KERNEL);
+ id_phys = kzalloc(sizeof(*id_phys), GFP_KERNEL);
- if (!currentsd || !physdev_list || !logdev_list || !tmpdevice) {
+ if (!currentsd || !physdev_list || !logdev_list ||
+ !tmpdevice || !id_phys) {
dev_err(&h->pdev->dev, "out of memory\n");
goto out;
}
h->hba_mode_enabled = rescan_hba_mode;
- if (hpsa_gather_lun_info(h,
- sizeof(*physdev_list), sizeof(*logdev_list),
- (struct ReportLUNdata *) physdev_list, &nphysicals,
- &physical_mode, logdev_list, &nlogicals))
+ if (hpsa_gather_lun_info(h, physdev_list, &nphysicals,
+ logdev_list, &nlogicals))
goto out;
/* We might see up to the maximum number of logical and physical disks
ncurrent++;
break;
}
- if (physical_mode == HPSA_REPORT_PHYS_EXTENDED) {
- memcpy(&this_device->ioaccel_handle,
- &lunaddrbytes[20],
- sizeof(this_device->ioaccel_handle));
+ if (h->transMethod & CFGTBL_Trans_io_accel1 ||
+ h->transMethod & CFGTBL_Trans_io_accel2) {
+ hpsa_get_ioaccel_drive_info(h, this_device,
+ lunaddrbytes, id_phys);
+ atomic_set(&this_device->ioaccel_cmds_out, 0);
ncurrent++;
}
break;
if (ncurrent >= HPSA_MAX_DEVICES)
break;
}
+ hpsa_update_log_drive_phys_drive_ptrs(h, currentsd, ncurrent);
adjust_hpsa_scsi_table(h, hostno, currentsd, ncurrent);
out:
kfree(tmpdevice);
kfree(currentsd);
kfree(physdev_list);
kfree(logdev_list);
+ kfree(id_phys);
}
/*
static int hpsa_scsi_ioaccel1_queue_command(struct ctlr_info *h,
struct CommandList *c, u32 ioaccel_handle, u8 *cdb, int cdb_len,
- u8 *scsi3addr)
+ u8 *scsi3addr, struct hpsa_scsi_dev_t *phys_disk)
{
struct scsi_cmnd *cmd = c->scsi_cmd;
struct io_accel1_cmd *cp = &h->ioaccel_cmd_pool[c->cmdindex];
u32 control = IOACCEL1_CONTROL_SIMPLEQUEUE;
/* TODO: implement chaining support */
- if (scsi_sg_count(cmd) > h->ioaccel_maxsg)
+ if (scsi_sg_count(cmd) > h->ioaccel_maxsg) {
+ atomic_dec(&phys_disk->ioaccel_cmds_out);
return IO_ACCEL_INELIGIBLE;
+ }
BUG_ON(cmd->cmd_len > IOACCEL1_IOFLAGS_CDBLEN_MAX);
- if (fixup_ioaccel_cdb(cdb, &cdb_len))
+ if (fixup_ioaccel_cdb(cdb, &cdb_len)) {
+ atomic_dec(&phys_disk->ioaccel_cmds_out);
return IO_ACCEL_INELIGIBLE;
+ }
c->cmd_type = CMD_IOACCEL1;
BUG_ON(c->busaddr & 0x0000007F);
use_sg = scsi_dma_map(cmd);
- if (use_sg < 0)
+ if (use_sg < 0) {
+ atomic_dec(&phys_disk->ioaccel_cmds_out);
return use_sg;
+ }
if (use_sg) {
curr_sg = cp->SG;
struct scsi_cmnd *cmd = c->scsi_cmd;
struct hpsa_scsi_dev_t *dev = cmd->device->hostdata;
+ c->phys_disk = dev;
+
return hpsa_scsi_ioaccel_queue_command(h, c, dev->ioaccel_handle,
- cmd->cmnd, cmd->cmd_len, dev->scsi3addr);
+ cmd->cmnd, cmd->cmd_len, dev->scsi3addr, dev);
}
/*
static int hpsa_scsi_ioaccel2_queue_command(struct ctlr_info *h,
struct CommandList *c, u32 ioaccel_handle, u8 *cdb, int cdb_len,
- u8 *scsi3addr)
+ u8 *scsi3addr, struct hpsa_scsi_dev_t *phys_disk)
{
struct scsi_cmnd *cmd = c->scsi_cmd;
struct io_accel2_cmd *cp = &h->ioaccel2_cmd_pool[c->cmdindex];
u32 len;
u32 total_len = 0;
- if (scsi_sg_count(cmd) > h->ioaccel_maxsg)
+ if (scsi_sg_count(cmd) > h->ioaccel_maxsg) {
+ atomic_dec(&phys_disk->ioaccel_cmds_out);
return IO_ACCEL_INELIGIBLE;
+ }
- if (fixup_ioaccel_cdb(cdb, &cdb_len))
+ if (fixup_ioaccel_cdb(cdb, &cdb_len)) {
+ atomic_dec(&phys_disk->ioaccel_cmds_out);
return IO_ACCEL_INELIGIBLE;
+ }
+
c->cmd_type = CMD_IOACCEL2;
/* Adjust the DMA address to point to the accelerated command buffer */
c->busaddr = (u32) h->ioaccel2_cmd_pool_dhandle +
cp->IU_type = IOACCEL2_IU_TYPE;
use_sg = scsi_dma_map(cmd);
- if (use_sg < 0)
+ if (use_sg < 0) {
+ atomic_dec(&phys_disk->ioaccel_cmds_out);
return use_sg;
+ }
if (use_sg) {
BUG_ON(use_sg > IOACCEL2_MAXSGENTRIES);
*/
static int hpsa_scsi_ioaccel_queue_command(struct ctlr_info *h,
struct CommandList *c, u32 ioaccel_handle, u8 *cdb, int cdb_len,
- u8 *scsi3addr)
+ u8 *scsi3addr, struct hpsa_scsi_dev_t *phys_disk)
{
+ /* Try to honor the device's queue depth */
+ if (atomic_inc_return(&phys_disk->ioaccel_cmds_out) >
+ phys_disk->queue_depth) {
+ atomic_dec(&phys_disk->ioaccel_cmds_out);
+ return IO_ACCEL_INELIGIBLE;
+ }
if (h->transMethod & CFGTBL_Trans_io_accel1)
return hpsa_scsi_ioaccel1_queue_command(h, c, ioaccel_handle,
- cdb, cdb_len, scsi3addr);
+ cdb, cdb_len, scsi3addr,
+ phys_disk);
else
return hpsa_scsi_ioaccel2_queue_command(h, c, ioaccel_handle,
- cdb, cdb_len, scsi3addr);
+ cdb, cdb_len, scsi3addr,
+ phys_disk);
}
static void raid_map_helper(struct raid_map_data *map,
return IO_ACCEL_INELIGIBLE;
}
+ c->phys_disk = dev->phys_disk[map_index];
+
disk_handle = dd[map_index].ioaccel_handle;
disk_block = le64_to_cpu(map->disk_starting_blk) +
first_row * le16_to_cpu(map->strip_size) +
cdb_len = 10;
}
return hpsa_scsi_ioaccel_queue_command(h, c, disk_handle, cdb, cdb_len,
- dev->scsi3addr);
+ dev->scsi3addr,
+ dev->phys_disk[map_index]);
}
/* Submit commands down the "normal" RAID stack path */
static int hpsa_change_queue_depth(struct scsi_device *sdev, int qdepth)
{
- struct ctlr_info *h = sdev_to_hba(sdev);
+ struct hpsa_scsi_dev_t *logical_drive = sdev->hostdata;
+
+ if (!logical_drive)
+ return -ENODEV;
if (qdepth < 1)
qdepth = 1;
- else
- if (qdepth > h->nr_cmds)
- qdepth = h->nr_cmds;
- scsi_change_queue_depth(sdev, qdepth);
- return sdev->queue_depth;
+ else if (qdepth > logical_drive->queue_depth)
+ qdepth = logical_drive->queue_depth;
+
+ return scsi_change_queue_depth(sdev, qdepth);
}
static int hpsa_scan_finished(struct Scsi_Host *sh,
HPSA_CMDS_RESERVED_FOR_ABORTS -
HPSA_CMDS_RESERVED_FOR_DRIVER -
HPSA_MAX_CONCURRENT_PASSTHRUS;
- if (h->hba_mode_enabled)
- sh->cmd_per_lun = 7;
- else
- sh->cmd_per_lun = sh->can_queue;
+ sh->cmd_per_lun = sh->can_queue;
sh->sg_tablesize = h->maxsgentries;
h->scsi_host = sh;
sh->hostdata[0] = (unsigned long) h;
c->Request.CDB[7] = (size >> 16) & 0xFF;
c->Request.CDB[8] = (size >> 8) & 0xFF;
break;
+ case BMIC_IDENTIFY_PHYSICAL_DEVICE:
+ c->Request.CDBLen = 10;
+ c->Request.type_attr_dir =
+ TYPE_ATTR_DIR(cmd_type, ATTR_SIMPLE, XFER_READ);
+ c->Request.Timeout = 0;
+ c->Request.CDB[0] = BMIC_READ;
+ c->Request.CDB[6] = BMIC_IDENTIFY_PHYSICAL_DEVICE;
+ c->Request.CDB[7] = (size >> 16) & 0xFF;
+ c->Request.CDB[8] = (size >> 8) & 0XFF;
+ break;
default:
dev_warn(&h->pdev->dev, "unknown command 0x%c\n", cmd);
BUG();
struct ext_report_lun_entry {
u8 lunid[8];
+#define GET_BMIC_BUS(lunid) ((lunid)[7] & 0x3F)
+#define GET_BMIC_LEVEL_TWO_TARGET(lunid) ((lunid)[6])
+#define GET_BMIC_DRIVE_NUMBER(lunid) (((GET_BMIC_BUS((lunid)) - 1) << 8) + \
+ GET_BMIC_LEVEL_TWO_TARGET((lunid)))
u8 wwid[8];
u8 device_type;
u8 device_flags;
#define HPSA_CACHE_FLUSH 0x01 /* C2 was already being used by HPSA */
#define BMIC_FLASH_FIRMWARE 0xF7
#define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64
+#define BMIC_IDENTIFY_PHYSICAL_DEVICE 0x15
/* Command List Structure */
union SCSI3Addr {
struct completion *waiting;
void *scsi_cmd;
struct work_struct work;
+
+ /*
+ * For commands using either of the two "ioaccel" paths to
+ * bypass the RAID stack and go directly to the physical disk
+ * phys_disk is a pointer to the hpsa_scsi_dev_t to which the
+ * i/o is destined. We need to store that here because the command
+ * may potentially encounter TASK SET FULL and need to be resubmitted
+ * For "normal" i/o's not using the "ioaccel" paths, phys_disk is
+ * not used.
+ */
+ struct hpsa_scsi_dev_t *phys_disk;
} __aligned(COMMANDLIST_ALIGNMENT);
/* Max S/G elements in I/O accelerator command */
u32 board_id;
};
+struct bmic_identify_physical_device {
+ u8 scsi_bus; /* SCSI Bus number on controller */
+ u8 scsi_id; /* SCSI ID on this bus */
+ __le16 block_size; /* sector size in bytes */
+ __le32 total_blocks; /* number for sectors on drive */
+ __le32 reserved_blocks; /* controller reserved (RIS) */
+ u8 model[40]; /* Physical Drive Model */
+ u8 serial_number[40]; /* Drive Serial Number */
+ u8 firmware_revision[8]; /* drive firmware revision */
+ u8 scsi_inquiry_bits; /* inquiry byte 7 bits */
+ u8 compaq_drive_stamp; /* 0 means drive not stamped */
+ u8 last_failure_reason;
+#define BMIC_LAST_FAILURE_TOO_SMALL_IN_LOAD_CONFIG 0x01
+#define BMIC_LAST_FAILURE_ERROR_ERASING_RIS 0x02
+#define BMIC_LAST_FAILURE_ERROR_SAVING_RIS 0x03
+#define BMIC_LAST_FAILURE_FAIL_DRIVE_COMMAND 0x04
+#define BMIC_LAST_FAILURE_MARK_BAD_FAILED 0x05
+#define BMIC_LAST_FAILURE_MARK_BAD_FAILED_IN_FINISH_REMAP 0x06
+#define BMIC_LAST_FAILURE_TIMEOUT 0x07
+#define BMIC_LAST_FAILURE_AUTOSENSE_FAILED 0x08
+#define BMIC_LAST_FAILURE_MEDIUM_ERROR_1 0x09
+#define BMIC_LAST_FAILURE_MEDIUM_ERROR_2 0x0a
+#define BMIC_LAST_FAILURE_NOT_READY_BAD_SENSE 0x0b
+#define BMIC_LAST_FAILURE_NOT_READY 0x0c
+#define BMIC_LAST_FAILURE_HARDWARE_ERROR 0x0d
+#define BMIC_LAST_FAILURE_ABORTED_COMMAND 0x0e
+#define BMIC_LAST_FAILURE_WRITE_PROTECTED 0x0f
+#define BMIC_LAST_FAILURE_SPIN_UP_FAILURE_IN_RECOVER 0x10
+#define BMIC_LAST_FAILURE_REBUILD_WRITE_ERROR 0x11
+#define BMIC_LAST_FAILURE_TOO_SMALL_IN_HOT_PLUG 0x12
+#define BMIC_LAST_FAILURE_BUS_RESET_RECOVERY_ABORTED 0x13
+#define BMIC_LAST_FAILURE_REMOVED_IN_HOT_PLUG 0x14
+#define BMIC_LAST_FAILURE_INIT_REQUEST_SENSE_FAILED 0x15
+#define BMIC_LAST_FAILURE_INIT_START_UNIT_FAILED 0x16
+#define BMIC_LAST_FAILURE_INQUIRY_FAILED 0x17
+#define BMIC_LAST_FAILURE_NON_DISK_DEVICE 0x18
+#define BMIC_LAST_FAILURE_READ_CAPACITY_FAILED 0x19
+#define BMIC_LAST_FAILURE_INVALID_BLOCK_SIZE 0x1a
+#define BMIC_LAST_FAILURE_HOT_PLUG_REQUEST_SENSE_FAILED 0x1b
+#define BMIC_LAST_FAILURE_HOT_PLUG_START_UNIT_FAILED 0x1c
+#define BMIC_LAST_FAILURE_WRITE_ERROR_AFTER_REMAP 0x1d
+#define BMIC_LAST_FAILURE_INIT_RESET_RECOVERY_ABORTED 0x1e
+#define BMIC_LAST_FAILURE_DEFERRED_WRITE_ERROR 0x1f
+#define BMIC_LAST_FAILURE_MISSING_IN_SAVE_RIS 0x20
+#define BMIC_LAST_FAILURE_WRONG_REPLACE 0x21
+#define BMIC_LAST_FAILURE_GDP_VPD_INQUIRY_FAILED 0x22
+#define BMIC_LAST_FAILURE_GDP_MODE_SENSE_FAILED 0x23
+#define BMIC_LAST_FAILURE_DRIVE_NOT_IN_48BIT_MODE 0x24
+#define BMIC_LAST_FAILURE_DRIVE_TYPE_MIX_IN_HOT_PLUG 0x25
+#define BMIC_LAST_FAILURE_DRIVE_TYPE_MIX_IN_LOAD_CFG 0x26
+#define BMIC_LAST_FAILURE_PROTOCOL_ADAPTER_FAILED 0x27
+#define BMIC_LAST_FAILURE_FAULTY_ID_BAY_EMPTY 0x28
+#define BMIC_LAST_FAILURE_FAULTY_ID_BAY_OCCUPIED 0x29
+#define BMIC_LAST_FAILURE_FAULTY_ID_INVALID_BAY 0x2a
+#define BMIC_LAST_FAILURE_WRITE_RETRIES_FAILED 0x2b
+
+#define BMIC_LAST_FAILURE_SMART_ERROR_REPORTED 0x37
+#define BMIC_LAST_FAILURE_PHY_RESET_FAILED 0x38
+#define BMIC_LAST_FAILURE_ONLY_ONE_CTLR_CAN_SEE_DRIVE 0x40
+#define BMIC_LAST_FAILURE_KC_VOLUME_FAILED 0x41
+#define BMIC_LAST_FAILURE_UNEXPECTED_REPLACEMENT 0x42
+#define BMIC_LAST_FAILURE_OFFLINE_ERASE 0x80
+#define BMIC_LAST_FAILURE_OFFLINE_TOO_SMALL 0x81
+#define BMIC_LAST_FAILURE_OFFLINE_DRIVE_TYPE_MIX 0x82
+#define BMIC_LAST_FAILURE_OFFLINE_ERASE_COMPLETE 0x83
+
+ u8 flags;
+ u8 more_flags;
+ u8 scsi_lun; /* SCSI LUN for phys drive */
+ u8 yet_more_flags;
+ u8 even_more_flags;
+ __le32 spi_speed_rules;/* SPI Speed data:Ultra disable diagnose */
+ u8 phys_connector[2]; /* connector number on controller */
+ u8 phys_box_on_bus; /* phys enclosure this drive resides */
+ u8 phys_bay_in_box; /* phys drv bay this drive resides */
+ __le32 rpm; /* Drive rotational speed in rpm */
+ u8 device_type; /* type of drive */
+ u8 sata_version; /* only valid when drive_type is SATA */
+ __le64 big_total_block_count;
+ __le64 ris_starting_lba;
+ __le32 ris_size;
+ u8 wwid[20];
+ u8 controller_phy_map[32];
+ __le16 phy_count;
+ u8 phy_connected_dev_type[256];
+ u8 phy_to_drive_bay_num[256];
+ __le16 phy_to_attached_dev_index[256];
+ u8 box_index;
+ u8 reserved;
+ __le16 extra_physical_drive_flags;
+#define BMIC_PHYS_DRIVE_SUPPORTS_GAS_GAUGE(idphydrv) \
+ (idphydrv->extra_physical_drive_flags & (1 << 10))
+ u8 negotiated_link_rate[256];
+ u8 phy_to_phy_map[256];
+ u8 redundant_path_present_map;
+ u8 redundant_path_failure_map;
+ u8 active_path_number;
+ __le16 alternate_paths_phys_connector[8];
+ u8 alternate_paths_phys_box_on_port[8];
+ u8 multi_lun_device_lun_count;
+ u8 minimum_good_fw_revision[8];
+ u8 unique_inquiry_bytes[20];
+ u8 current_temperature_degreesC;
+ u8 temperature_threshold_degreesC;
+ u8 max_temperature_degreesC;
+ u8 logical_blocks_per_phys_block_exp; /* phyblocksize = 512*2^exp */
+ __le16 current_queue_depth_limit;
+ u8 switch_name[10];
+ __le16 switch_port;
+ u8 alternate_paths_switch_name[40];
+ u8 alternate_paths_switch_port[8];
+ __le16 power_on_hours; /* valid only if gas gauge supported */
+ __le16 percent_endurance_used; /* valid only if gas gauge supported. */
+#define BMIC_PHYS_DRIVE_SSD_WEAROUT(idphydrv) \
+ ((idphydrv->percent_endurance_used & 0x80) || \
+ (idphydrv->percent_endurance_used > 10000))
+ u8 drive_authentication;
+#define BMIC_PHYS_DRIVE_AUTHENTICATED(idphydrv) \
+ (idphydrv->drive_authentication == 0x80)
+ u8 smart_carrier_authentication;
+#define BMIC_SMART_CARRIER_AUTHENTICATION_SUPPORTED(idphydrv) \
+ (idphydrv->smart_carrier_authentication != 0x0)
+#define BMIC_SMART_CARRIER_AUTHENTICATED(idphydrv) \
+ (idphydrv->smart_carrier_authentication == 0x01)
+ u8 smart_carrier_app_fw_version;
+ u8 smart_carrier_bootloader_fw_version;
+ u8 encryption_key_name[64];
+ __le32 misc_drive_flags;
+ __le16 dek_index;
+ u8 padding[112];
+};
+
#pragma pack()
#endif /* HPSA_CMD_H */