diff options
| -rw-r--r-- | drivers/scsi/hpsa.c | 318 | ||||
| -rw-r--r-- | drivers/scsi/hpsa.h | 14 | ||||
| -rw-r--r-- | drivers/scsi/hpsa_cmd.h | 148 |
3 files changed, 412 insertions, 68 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index dcacb29ff589..60f57347d53b 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -247,7 +247,7 @@ static void hpsa_drain_accel_commands(struct ctlr_info *h); 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) @@ -965,12 +965,24 @@ static void hpsa_scsi_update_entry(struct ctlr_info *h, int hostno, /* 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, @@ -1096,6 +1108,8 @@ static inline int device_updated(struct hpsa_scsi_dev_t *dev1, return 1; if (dev1->offload_enabled != dev2->offload_enabled) return 1; + if (dev1->queue_depth != dev2->queue_depth) + return 1; return 0; } @@ -1241,6 +1255,85 @@ static void hpsa_show_volume_status(struct ctlr_info *h, } } +/* + * 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) { @@ -1425,8 +1518,12 @@ static int hpsa_slave_alloc(struct scsi_device *sdev) 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; } @@ -1679,6 +1776,9 @@ static void complete_scsi_command(struct CommandList *cp) 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); @@ -1686,6 +1786,8 @@ static void complete_scsi_command(struct CommandList *cp) 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; @@ -2248,6 +2350,34 @@ static int hpsa_get_raid_map(struct ctlr_info *h, 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) { @@ -2348,7 +2478,7 @@ static int hpsa_get_device_id(struct ctlr_info *h, unsigned char *scsi3addr, } 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; @@ -2377,11 +2507,13 @@ static int hpsa_scsi_do_report_luns(struct ctlr_info *h, int logical, 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; } } @@ -2391,10 +2523,10 @@ out: } 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, @@ -2569,6 +2701,7 @@ static int hpsa_update_device_info(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) { @@ -2711,7 +2844,6 @@ static int hpsa_get_pdisk_of_ioaccel2(struct ctlr_info *h, { 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) */ @@ -2758,8 +2890,7 @@ static int hpsa_get_pdisk_of_ioaccel2(struct ctlr_info *h, 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"); @@ -2800,34 +2931,20 @@ static int hpsa_get_pdisk_of_ioaccel2(struct ctlr_info *h, * 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; } @@ -2900,6 +3017,33 @@ static int hpsa_hba_mode_enabled(struct ctlr_info *h) 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 @@ -2914,9 +3058,9 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) */ 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; @@ -2929,8 +3073,10 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) 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; } @@ -2947,10 +3093,8 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) 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 @@ -3047,10 +3191,11 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) 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; @@ -3074,6 +3219,7 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) 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); @@ -3082,6 +3228,7 @@ out: kfree(currentsd); kfree(physdev_list); kfree(logdev_list); + kfree(id_phys); } /* @@ -3197,7 +3344,7 @@ static int fixup_ioaccel_cdb(u8 *cdb, int *cdb_len) 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]; @@ -3210,13 +3357,17 @@ static int hpsa_scsi_ioaccel1_queue_command(struct ctlr_info *h, 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; @@ -3226,8 +3377,10 @@ static int hpsa_scsi_ioaccel1_queue_command(struct ctlr_info *h, 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; @@ -3286,8 +3439,10 @@ static int hpsa_scsi_ioaccel_direct_map(struct ctlr_info *h, 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); } /* @@ -3351,7 +3506,7 @@ static void set_encrypt_ioaccel2(struct ctlr_info *h, 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]; @@ -3362,11 +3517,16 @@ static int hpsa_scsi_ioaccel2_queue_command(struct ctlr_info *h, 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 + @@ -3377,8 +3537,10 @@ static int hpsa_scsi_ioaccel2_queue_command(struct ctlr_info *h, 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); @@ -3444,14 +3606,22 @@ static int hpsa_scsi_ioaccel2_queue_command(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) { + /* 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, @@ -3755,6 +3925,8 @@ static int hpsa_scsi_ioaccel_raid_map(struct ctlr_info *h, 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) + @@ -3802,7 +3974,8 @@ static int hpsa_scsi_ioaccel_raid_map(struct ctlr_info *h, 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 */ @@ -4016,15 +4189,17 @@ static void hpsa_scan_start(struct Scsi_Host *sh) 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, @@ -4068,10 +4243,7 @@ static int hpsa_register_scsi(struct ctlr_info *h) 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; @@ -5090,6 +5262,16 @@ static int fill_cmd(struct CommandList *c, u8 cmd, struct ctlr_info *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(); diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h index a0f4268df457..d0fb854195ee 100644 --- a/drivers/scsi/hpsa.h +++ b/drivers/scsi/hpsa.h @@ -46,6 +46,11 @@ struct hpsa_scsi_dev_t { unsigned char model[16]; /* bytes 16-31 of inquiry data */ unsigned char raid_level; /* from inquiry page 0xC1 */ unsigned char volume_offline; /* discovered via TUR or VPD */ + u16 queue_depth; /* max queue_depth for this device */ + atomic_t ioaccel_cmds_out; /* Only used for physical devices + * counts commands sent to physical + * device via "ioaccel" path. + */ u32 ioaccel_handle; int offload_config; /* I/O accel RAID offload configured */ int offload_enabled; /* I/O accel RAID offload enabled */ @@ -54,6 +59,15 @@ struct hpsa_scsi_dev_t { */ struct raid_map_data raid_map; /* I/O accelerator RAID map */ + /* + * Pointers from logical drive map indices to the phys drives that + * make those logical drives. Note, multiple logical drives may + * share physical drives. You can have for instance 5 physical + * drives with 3 logical drives each using those same 5 physical + * disks. We need these pointers for counting i/o's out to physical + * devices in order to honor physical device queue depth limits. + */ + struct hpsa_scsi_dev_t *phys_disk[RAID_MAP_MAX_ENTRIES]; }; struct reply_queue_buffer { diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h index 3f2f0af6abb2..4726dbb67fa3 100644 --- a/drivers/scsi/hpsa_cmd.h +++ b/drivers/scsi/hpsa_cmd.h @@ -240,6 +240,10 @@ struct ReportLUNdata { 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; @@ -268,6 +272,7 @@ struct SenseSubsystem_info { #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 { @@ -405,6 +410,17 @@ struct CommandList { 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 */ @@ -641,5 +657,137 @@ struct hpsa_pci_info { 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 */ |