diff options
| -rw-r--r-- | drivers/scsi/hpsa.c | 139 | ||||
| -rw-r--r-- | drivers/scsi/hpsa.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/hpsa_cmd.h | 11 |
3 files changed, 125 insertions, 26 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 0af4c670c7cd..1a67d63d5585 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -275,7 +275,6 @@ static int hpsa_scsi_ioaccel_queue_command(struct ctlr_info *h, static void hpsa_command_resubmit_worker(struct work_struct *work); static u32 lockup_detected(struct ctlr_info *h); static int detect_controller_lockup(struct ctlr_info *h); -static int is_ext_target(struct ctlr_info *h, struct hpsa_scsi_dev_t *device); static inline struct ctlr_info *sdev_to_hba(struct scsi_device *sdev) { @@ -776,7 +775,7 @@ static ssize_t path_info_show(struct device *dev, hdev->bus, hdev->target, hdev->lun, scsi_device_type(hdev->devtype)); - if (is_ext_target(h, hdev) || + if (hdev->external || hdev->devtype == TYPE_RAID || is_logical_device(hdev)) { output_len += snprintf(path[i] + output_len, @@ -3034,6 +3033,35 @@ out: return rc; } +static int hpsa_bmic_id_controller(struct ctlr_info *h, + struct bmic_identify_controller *buf, size_t bufsize) +{ + int rc = IO_OK; + struct CommandList *c; + struct ErrorInfo *ei; + + c = cmd_alloc(h); + + rc = fill_cmd(c, BMIC_IDENTIFY_CONTROLLER, h, buf, bufsize, + 0, RAID_CTLR_LUNID, TYPE_CMD); + if (rc) + goto out; + + rc = hpsa_scsi_do_simple_cmd_with_retry(h, c, + PCI_DMA_FROMDEVICE, NO_TIMEOUT); + if (rc) + goto out; + 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_bmic_id_physical_device(struct ctlr_info *h, unsigned char scsi3addr[], u16 bmic_device_index, struct bmic_identify_physical_device *buf, size_t bufsize) @@ -3510,27 +3538,6 @@ static void hpsa_update_device_supports_aborts(struct ctlr_info *h, } } -static unsigned char *ext_target_model[] = { - "MSA2012", - "MSA2024", - "MSA2312", - "MSA2324", - "P2000 G3 SAS", - "MSA 2040 SAS", - NULL, -}; - -static int is_ext_target(struct ctlr_info *h, struct hpsa_scsi_dev_t *device) -{ - int i; - - for (i = 0; ext_target_model[i]; i++) - if (strncmp(device->model, ext_target_model[i], - strlen(ext_target_model[i])) == 0) - return 1; - return 0; -} - /* * Helper function to assign bus, target, lun mapping of devices. * Logical drive target and lun are assigned at this time, but @@ -3554,7 +3561,7 @@ static void figure_bus_target_lun(struct ctlr_info *h, return; } /* It's a logical device */ - if (is_ext_target(h, device)) { + if (device->external) { hpsa_set_bus_target_lun(device, HPSA_EXTERNAL_RAID_VOLUME_BUS, (lunid >> 16) & 0x3fff, lunid & 0x00ff); @@ -3588,7 +3595,7 @@ static int add_ext_target_dev(struct ctlr_info *h, if (!is_logical_dev_addr_mode(lunaddrbytes)) return 0; /* It's the logical targets that may lack lun 0. */ - if (!is_ext_target(h, tmpdevice)) + if (!tmpdevice->external) return 0; /* Only external target devices have this problem. */ if (tmpdevice->lun == 0) /* if lun is 0, then we have a lun 0. */ @@ -3647,6 +3654,27 @@ static int hpsa_get_pdisk_of_ioaccel2(struct ctlr_info *h, return 0; } +static int figure_external_status(struct ctlr_info *h, int raid_ctlr_position, + int i, int nphysicals, int nlocal_logicals) +{ + /* In report logicals, local logicals are listed first, + * then any externals. + */ + int logicals_start = nphysicals + (raid_ctlr_position == 0); + + if (i == raid_ctlr_position) + return 0; + + if (i < logicals_start) + return 0; + + /* i is in logicals range, but still within local logicals */ + if ((i - nphysicals - (raid_ctlr_position == 0)) < nlocal_logicals) + return 0; + + return 1; /* it's an external lun */ +} + /* * Do CISS_REPORT_PHYS and CISS_REPORT_LOG. Data is returned in physdev, * logdev. The number of luns in physdev and logdev are returned in @@ -3770,6 +3798,32 @@ static void hpsa_get_path_info(struct hpsa_scsi_dev_t *this_device, sizeof(this_device->bay)); } +/* get number of local logical disks. */ +static int hpsa_set_local_logical_count(struct ctlr_info *h, + struct bmic_identify_controller *id_ctlr, + u32 *nlocals) +{ + int rc; + + if (!id_ctlr) { + dev_warn(&h->pdev->dev, "%s: id_ctlr buffer is NULL.\n", + __func__); + return -ENOMEM; + } + memset(id_ctlr, 0, sizeof(*id_ctlr)); + rc = hpsa_bmic_id_controller(h, id_ctlr, sizeof(*id_ctlr)); + if (!rc) + if (id_ctlr->configured_logical_drive_count < 256) + *nlocals = id_ctlr->configured_logical_drive_count; + else + *nlocals = le16_to_cpu( + id_ctlr->extended_logical_unit_count); + else + *nlocals = -1; + return rc; +} + + static void hpsa_update_scsi_devices(struct ctlr_info *h) { /* the idea here is we could get notified @@ -3785,8 +3839,10 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h) struct ReportExtendedLUNdata *physdev_list = NULL; struct ReportLUNdata *logdev_list = NULL; struct bmic_identify_physical_device *id_phys = NULL; + struct bmic_identify_controller *id_ctlr = NULL; u32 nphysicals = 0; u32 nlogicals = 0; + u32 nlocal_logicals = 0; u32 ndev_allocated = 0; struct hpsa_scsi_dev_t **currentsd, *this_device, *tmpdevice; int ncurrent = 0; @@ -3800,9 +3856,10 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h) logdev_list = kzalloc(sizeof(*logdev_list), GFP_KERNEL); tmpdevice = kzalloc(sizeof(*tmpdevice), GFP_KERNEL); id_phys = kzalloc(sizeof(*id_phys), GFP_KERNEL); + id_ctlr = kzalloc(sizeof(*id_ctlr), GFP_KERNEL); if (!currentsd || !physdev_list || !logdev_list || - !tmpdevice || !id_phys) { + !tmpdevice || !id_phys || !id_ctlr) { dev_err(&h->pdev->dev, "out of memory\n"); goto out; } @@ -3816,6 +3873,13 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h) goto out; } + /* Set number of local logicals (non PTRAID) */ + if (hpsa_set_local_logical_count(h, id_ctlr, &nlocal_logicals)) { + dev_warn(&h->pdev->dev, + "%s: Can't determine number of local logical devices.\n", + __func__); + } + /* We might see up to the maximum number of logical and physical disks * plus external target devices, and a device for the local RAID * controller. @@ -3879,6 +3943,11 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h) continue; } + /* Determine if this is a lun from an external target array */ + tmpdevice->external = + figure_external_status(h, raid_ctlr_position, i, + nphysicals, nlocal_logicals); + figure_bus_target_lun(h, lunaddrbytes, tmpdevice); hpsa_update_device_supports_aborts(h, tmpdevice, lunaddrbytes); this_device = currentsd[ncurrent]; @@ -3962,6 +4031,7 @@ out: kfree(currentsd); kfree(physdev_list); kfree(logdev_list); + kfree(id_ctlr); kfree(id_phys); } @@ -6414,6 +6484,23 @@ 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_CONTROLLER: + 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[1] = 0; + c->Request.CDB[2] = 0; + c->Request.CDB[3] = 0; + c->Request.CDB[4] = 0; + c->Request.CDB[5] = 0; + c->Request.CDB[6] = BMIC_IDENTIFY_CONTROLLER; + c->Request.CDB[7] = (size >> 16) & 0xFF; + c->Request.CDB[8] = (size >> 8) & 0XFF; + c->Request.CDB[9] = 0; + 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 a4cab12fc3b4..ffcd4cbd5efc 100644 --- a/drivers/scsi/hpsa.h +++ b/drivers/scsi/hpsa.h @@ -77,6 +77,7 @@ struct hpsa_scsi_dev_t { struct hpsa_scsi_dev_t *phys_disk[RAID_MAP_MAX_ENTRIES]; int nphysical_disks; int supports_aborts; + int external; /* 1-from external array 0-not <0-unknown */ }; struct reply_queue_buffer { diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h index c2c07373dcd8..c83eaf1b03e1 100644 --- a/drivers/scsi/hpsa_cmd.h +++ b/drivers/scsi/hpsa_cmd.h @@ -286,6 +286,7 @@ struct SenseSubsystem_info { #define BMIC_FLASH_FIRMWARE 0xF7 #define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64 #define BMIC_IDENTIFY_PHYSICAL_DEVICE 0x15 +#define BMIC_IDENTIFY_CONTROLLER 0x11 /* Command List Structure */ union SCSI3Addr { @@ -682,6 +683,16 @@ struct hpsa_pci_info { u32 board_id; }; +struct bmic_identify_controller { + u8 configured_logical_drive_count; /* offset 0 */ + u8 pad1[153]; + __le16 extended_logical_unit_count; /* offset 154 */ + u8 pad2[136]; + u8 controller_mode; /* offset 292 */ + u8 pad3[32]; +}; + + struct bmic_identify_physical_device { u8 scsi_bus; /* SCSI Bus number on controller */ u8 scsi_id; /* SCSI ID on this bus */ |