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Diffstat (limited to 'drivers/scsi/hpsa.c')
-rw-r--r--drivers/scsi/hpsa.c301
1 files changed, 185 insertions, 116 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 1dafeb4..40669f8 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -1,6 +1,7 @@
/*
* Disk Array driver for HP Smart Array SAS controllers
- * Copyright 2000, 2014 Hewlett-Packard Development Company, L.P.
+ * Copyright 2014-2015 PMC-Sierra, Inc.
+ * Copyright 2000,2009-2015 Hewlett-Packard Development Company, L.P.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -11,11 +12,7 @@
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Questions/Comments/Bugfixes to iss_storagedev@hp.com
+ * Questions/Comments/Bugfixes to storagedev@pmcs.com
*
*/
@@ -132,6 +129,11 @@ static const struct pci_device_id hpsa_pci_device_id[] = {
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21CD},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21CE},
{PCI_VENDOR_ID_ADAPTEC2, 0x0290, 0x9005, 0x0580},
+ {PCI_VENDOR_ID_ADAPTEC2, 0x0290, 0x9005, 0x0581},
+ {PCI_VENDOR_ID_ADAPTEC2, 0x0290, 0x9005, 0x0582},
+ {PCI_VENDOR_ID_ADAPTEC2, 0x0290, 0x9005, 0x0583},
+ {PCI_VENDOR_ID_ADAPTEC2, 0x0290, 0x9005, 0x0584},
+ {PCI_VENDOR_ID_ADAPTEC2, 0x0290, 0x9005, 0x0585},
{PCI_VENDOR_ID_HP_3PAR, 0x0075, 0x1590, 0x0076},
{PCI_VENDOR_ID_HP_3PAR, 0x0075, 0x1590, 0x0087},
{PCI_VENDOR_ID_HP_3PAR, 0x0075, 0x1590, 0x007D},
@@ -190,6 +192,11 @@ static struct board_type products[] = {
{0x21CD103C, "Smart Array", &SA5_access},
{0x21CE103C, "Smart HBA", &SA5_access},
{0x05809005, "SmartHBA-SA", &SA5_access},
+ {0x05819005, "SmartHBA-SA 8i", &SA5_access},
+ {0x05829005, "SmartHBA-SA 8i8e", &SA5_access},
+ {0x05839005, "SmartHBA-SA 8e", &SA5_access},
+ {0x05849005, "SmartHBA-SA 16i", &SA5_access},
+ {0x05859005, "SmartHBA-SA 4i4e", &SA5_access},
{0x00761590, "HP Storage P1224 Array Controller", &SA5_access},
{0x00871590, "HP Storage P1224e Array Controller", &SA5_access},
{0x007D1590, "HP Storage P1228 Array Controller", &SA5_access},
@@ -267,6 +274,7 @@ 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)
{
@@ -325,7 +333,7 @@ static int check_for_unit_attention(struct ctlr_info *h,
decode_sense_data(c->err_info->SenseInfo, sense_len,
&sense_key, &asc, &ascq);
- if (sense_key != UNIT_ATTENTION || asc == -1)
+ if (sense_key != UNIT_ATTENTION || asc == 0xff)
return 0;
switch (asc) {
@@ -717,12 +725,107 @@ static ssize_t host_show_hp_ssd_smart_path_enabled(struct device *dev,
return snprintf(buf, 20, "%d\n", offload_enabled);
}
+#define MAX_PATHS 8
+#define PATH_STRING_LEN 50
+
+static ssize_t path_info_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct ctlr_info *h;
+ struct scsi_device *sdev;
+ struct hpsa_scsi_dev_t *hdev;
+ unsigned long flags;
+ int i;
+ int output_len = 0;
+ u8 box;
+ u8 bay;
+ u8 path_map_index = 0;
+ char *active;
+ unsigned char phys_connector[2];
+ unsigned char path[MAX_PATHS][PATH_STRING_LEN];
+
+ memset(path, 0, MAX_PATHS * PATH_STRING_LEN);
+ sdev = to_scsi_device(dev);
+ h = sdev_to_hba(sdev);
+ spin_lock_irqsave(&h->devlock, flags);
+ hdev = sdev->hostdata;
+ if (!hdev) {
+ spin_unlock_irqrestore(&h->devlock, flags);
+ return -ENODEV;
+ }
+
+ bay = hdev->bay;
+ for (i = 0; i < MAX_PATHS; i++) {
+ path_map_index = 1<<i;
+ if (i == hdev->active_path_index)
+ active = "Active";
+ else if (hdev->path_map & path_map_index)
+ active = "Inactive";
+ else
+ continue;
+
+ output_len = snprintf(path[i],
+ PATH_STRING_LEN, "[%d:%d:%d:%d] %20.20s ",
+ h->scsi_host->host_no,
+ hdev->bus, hdev->target, hdev->lun,
+ scsi_device_type(hdev->devtype));
+
+ if (is_ext_target(h, hdev) ||
+ (hdev->devtype == TYPE_RAID) ||
+ is_logical_dev_addr_mode(hdev->scsi3addr)) {
+ output_len += snprintf(path[i] + output_len,
+ PATH_STRING_LEN, "%s\n",
+ active);
+ continue;
+ }
+
+ box = hdev->box[i];
+ memcpy(&phys_connector, &hdev->phys_connector[i],
+ sizeof(phys_connector));
+ if (phys_connector[0] < '0')
+ phys_connector[0] = '0';
+ if (phys_connector[1] < '0')
+ phys_connector[1] = '0';
+ if (hdev->phys_connector[i] > 0)
+ output_len += snprintf(path[i] + output_len,
+ PATH_STRING_LEN,
+ "PORT: %.2s ",
+ phys_connector);
+ if (hdev->devtype == TYPE_DISK &&
+ hdev->expose_state != HPSA_DO_NOT_EXPOSE) {
+ if (box == 0 || box == 0xFF) {
+ output_len += snprintf(path[i] + output_len,
+ PATH_STRING_LEN,
+ "BAY: %hhu %s\n",
+ bay, active);
+ } else {
+ output_len += snprintf(path[i] + output_len,
+ PATH_STRING_LEN,
+ "BOX: %hhu BAY: %hhu %s\n",
+ box, bay, active);
+ }
+ } else if (box != 0 && box != 0xFF) {
+ output_len += snprintf(path[i] + output_len,
+ PATH_STRING_LEN, "BOX: %hhu %s\n",
+ box, active);
+ } else
+ output_len += snprintf(path[i] + output_len,
+ PATH_STRING_LEN, "%s\n", active);
+ }
+
+ spin_unlock_irqrestore(&h->devlock, flags);
+ return snprintf(buf, output_len+1, "%s%s%s%s%s%s%s%s",
+ path[0], path[1], path[2], path[3],
+ path[4], path[5], path[6], path[7]);
+}
+
static DEVICE_ATTR(raid_level, S_IRUGO, raid_level_show, NULL);
static DEVICE_ATTR(lunid, S_IRUGO, lunid_show, NULL);
static DEVICE_ATTR(unique_id, S_IRUGO, unique_id_show, NULL);
static DEVICE_ATTR(rescan, S_IWUSR, NULL, host_store_rescan);
static DEVICE_ATTR(hp_ssd_smart_path_enabled, S_IRUGO,
host_show_hp_ssd_smart_path_enabled, NULL);
+static DEVICE_ATTR(path_info, S_IRUGO, path_info_show, NULL);
static DEVICE_ATTR(hp_ssd_smart_path_status, S_IWUSR|S_IRUGO|S_IROTH,
host_show_hp_ssd_smart_path_status,
host_store_hp_ssd_smart_path_status);
@@ -744,6 +847,7 @@ static struct device_attribute *hpsa_sdev_attrs[] = {
&dev_attr_lunid,
&dev_attr_unique_id,
&dev_attr_hp_ssd_smart_path_enabled,
+ &dev_attr_path_info,
&dev_attr_lockup_detected,
NULL,
};
@@ -1083,17 +1187,19 @@ static int hpsa_scsi_add_entry(struct ctlr_info *h, int hostno,
/* This is a non-zero lun of a multi-lun device.
* Search through our list and find the device which
- * has the same 8 byte LUN address, excepting byte 4.
+ * has the same 8 byte LUN address, excepting byte 4 and 5.
* Assign the same bus and target for this new LUN.
* Use the logical unit number from the firmware.
*/
memcpy(addr1, device->scsi3addr, 8);
addr1[4] = 0;
+ addr1[5] = 0;
for (i = 0; i < n; i++) {
sd = h->dev[i];
memcpy(addr2, sd->scsi3addr, 8);
addr2[4] = 0;
- /* differ only in byte 4? */
+ addr2[5] = 0;
+ /* differ only in byte 4 and 5? */
if (memcmp(addr1, addr2, 8) == 0) {
device->bus = sd->bus;
device->target = sd->target;
@@ -1286,8 +1392,9 @@ 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;
+ if (!is_logical_dev_addr_mode(dev1->scsi3addr))
+ if (dev1->queue_depth != dev2->queue_depth)
+ return 1;
return 0;
}
@@ -1376,17 +1483,23 @@ static void hpsa_show_volume_status(struct ctlr_info *h,
h->scsi_host->host_no,
sd->bus, sd->target, sd->lun);
break;
+ case HPSA_LV_NOT_AVAILABLE:
+ dev_info(&h->pdev->dev,
+ "C%d:B%d:T%d:L%d Volume is waiting for transforming volume.\n",
+ h->scsi_host->host_no,
+ sd->bus, sd->target, sd->lun);
+ break;
case HPSA_LV_UNDERGOING_RPI:
dev_info(&h->pdev->dev,
- "C%d:B%d:T%d:L%d Volume is undergoing rapid parity initialization process.\n",
+ "C%d:B%d:T%d:L%d Volume is undergoing rapid parity init.\n",
h->scsi_host->host_no,
sd->bus, sd->target, sd->lun);
break;
case HPSA_LV_PENDING_RPI:
dev_info(&h->pdev->dev,
- "C%d:B%d:T%d:L%d Volume is queued for rapid parity initialization process.\n",
- h->scsi_host->host_no,
- sd->bus, sd->target, sd->lun);
+ "C%d:B%d:T%d:L%d Volume is queued for rapid parity initialization process.\n",
+ h->scsi_host->host_no,
+ sd->bus, sd->target, sd->lun);
break;
case HPSA_LV_ENCRYPTED_NO_KEY:
dev_info(&h->pdev->dev,
@@ -2585,34 +2698,6 @@ out:
return rc;
}
-static int hpsa_bmic_ctrl_mode_sense(struct ctlr_info *h,
- unsigned char *scsi3addr, unsigned char page,
- struct bmic_controller_parameters *buf, size_t bufsize)
-{
- int rc = IO_OK;
- struct CommandList *c;
- struct ErrorInfo *ei;
-
- c = cmd_alloc(h);
- if (fill_cmd(c, BMIC_SENSE_CONTROLLER_PARAMETERS, h, buf, bufsize,
- page, scsi3addr, TYPE_CMD)) {
- rc = -1;
- 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_send_reset(struct ctlr_info *h, unsigned char *scsi3addr,
u8 reset_type, int reply_queue)
{
@@ -2749,11 +2834,10 @@ static int hpsa_do_reset(struct ctlr_info *h, struct hpsa_scsi_dev_t *dev,
lockup_detected(h));
if (unlikely(lockup_detected(h))) {
- dev_warn(&h->pdev->dev,
- "Controller lockup detected during reset wait\n");
- mutex_unlock(&h->reset_mutex);
- rc = -ENODEV;
- }
+ dev_warn(&h->pdev->dev,
+ "Controller lockup detected during reset wait\n");
+ rc = -ENODEV;
+ }
if (unlikely(rc))
atomic_set(&dev->reset_cmds_out, 0);
@@ -3186,6 +3270,7 @@ static int hpsa_volume_offline(struct ctlr_info *h,
/* Keep volume offline in certain cases: */
switch (ldstat) {
case HPSA_LV_UNDERGOING_ERASE:
+ case HPSA_LV_NOT_AVAILABLE:
case HPSA_LV_UNDERGOING_RPI:
case HPSA_LV_PENDING_RPI:
case HPSA_LV_ENCRYPTED_NO_KEY:
@@ -3562,29 +3647,6 @@ static u8 *figure_lunaddrbytes(struct ctlr_info *h, int raid_ctlr_position,
return NULL;
}
-static int hpsa_hba_mode_enabled(struct ctlr_info *h)
-{
- int rc;
- int hba_mode_enabled;
- struct bmic_controller_parameters *ctlr_params;
- ctlr_params = kzalloc(sizeof(struct bmic_controller_parameters),
- GFP_KERNEL);
-
- if (!ctlr_params)
- return -ENOMEM;
- rc = hpsa_bmic_ctrl_mode_sense(h, RAID_CTLR_LUNID, 0, ctlr_params,
- sizeof(struct bmic_controller_parameters));
- if (rc) {
- kfree(ctlr_params);
- return rc;
- }
-
- hba_mode_enabled =
- ((ctlr_params->nvram_flags & HBA_MODE_ENABLED_FLAG) != 0);
- kfree(ctlr_params);
- 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,
@@ -3615,6 +3677,31 @@ static void hpsa_get_ioaccel_drive_info(struct ctlr_info *h,
atomic_set(&dev->reset_cmds_out, 0);
}
+static void hpsa_get_path_info(struct hpsa_scsi_dev_t *this_device,
+ u8 *lunaddrbytes,
+ struct bmic_identify_physical_device *id_phys)
+{
+ if (PHYS_IOACCEL(lunaddrbytes)
+ && this_device->ioaccel_handle)
+ this_device->hba_ioaccel_enabled = 1;
+
+ memcpy(&this_device->active_path_index,
+ &id_phys->active_path_number,
+ sizeof(this_device->active_path_index));
+ memcpy(&this_device->path_map,
+ &id_phys->redundant_path_present_map,
+ sizeof(this_device->path_map));
+ memcpy(&this_device->box,
+ &id_phys->alternate_paths_phys_box_on_port,
+ sizeof(this_device->box));
+ memcpy(&this_device->phys_connector,
+ &id_phys->alternate_paths_phys_connector,
+ sizeof(this_device->phys_connector));
+ memcpy(&this_device->bay,
+ &id_phys->phys_bay_in_box,
+ sizeof(this_device->bay));
+}
+
static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
{
/* the idea here is we could get notified
@@ -3637,7 +3724,6 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
int ncurrent = 0;
int i, n_ext_target_devs, ndevs_to_allocate;
int raid_ctlr_position;
- int rescan_hba_mode;
DECLARE_BITMAP(lunzerobits, MAX_EXT_TARGETS);
currentsd = kzalloc(sizeof(*currentsd) * HPSA_MAX_DEVICES, GFP_KERNEL);
@@ -3653,17 +3739,6 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
}
memset(lunzerobits, 0, sizeof(lunzerobits));
- rescan_hba_mode = hpsa_hba_mode_enabled(h);
- if (rescan_hba_mode < 0)
- goto out;
-
- if (!h->hba_mode_enabled && rescan_hba_mode)
- dev_warn(&h->pdev->dev, "HBA mode enabled\n");
- else if (h->hba_mode_enabled && !rescan_hba_mode)
- dev_warn(&h->pdev->dev, "HBA mode disabled\n");
-
- h->hba_mode_enabled = rescan_hba_mode;
-
if (hpsa_gather_lun_info(h, physdev_list, &nphysicals,
logdev_list, &nlogicals))
goto out;
@@ -3739,9 +3814,6 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
/* do not expose masked devices */
if (MASKED_DEVICE(lunaddrbytes) &&
i < nphysicals + (raid_ctlr_position == 0)) {
- if (h->hba_mode_enabled)
- dev_warn(&h->pdev->dev,
- "Masked physical device detected\n");
this_device->expose_state = HPSA_DO_NOT_EXPOSE;
} else {
this_device->expose_state =
@@ -3761,30 +3833,21 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
ncurrent++;
break;
case TYPE_DISK:
- if (i >= nphysicals) {
- ncurrent++;
- break;
- }
-
- if (h->hba_mode_enabled)
- /* never use raid mapper in HBA mode */
+ if (i < nphysicals + (raid_ctlr_position == 0)) {
+ /* The disk is in HBA mode. */
+ /* Never use RAID mapper in HBA mode. */
this_device->offload_enabled = 0;
- else if (!(h->transMethod & CFGTBL_Trans_io_accel1 ||
- h->transMethod & CFGTBL_Trans_io_accel2))
- break;
-
- hpsa_get_ioaccel_drive_info(h, this_device,
- lunaddrbytes, id_phys);
- atomic_set(&this_device->ioaccel_cmds_out, 0);
+ hpsa_get_ioaccel_drive_info(h, this_device,
+ lunaddrbytes, id_phys);
+ hpsa_get_path_info(this_device, lunaddrbytes,
+ id_phys);
+ }
ncurrent++;
break;
case TYPE_TAPE:
case TYPE_MEDIUM_CHANGER:
- ncurrent++;
- break;
case TYPE_ENCLOSURE:
- if (h->hba_mode_enabled)
- ncurrent++;
+ ncurrent++;
break;
case TYPE_RAID:
/* Only present the Smartarray HBA as a RAID controller.
@@ -5104,7 +5167,7 @@ static int hpsa_eh_device_reset_handler(struct scsi_cmnd *scsicmd)
int rc;
struct ctlr_info *h;
struct hpsa_scsi_dev_t *dev;
- char msg[40];
+ char msg[48];
/* find the controller to which the command to be aborted was sent */
h = sdev_to_hba(scsicmd->device);
@@ -5122,16 +5185,18 @@ static int hpsa_eh_device_reset_handler(struct scsi_cmnd *scsicmd)
/* if controller locked up, we can guarantee command won't complete */
if (lockup_detected(h)) {
- sprintf(msg, "cmd %d RESET FAILED, lockup detected",
- hpsa_get_cmd_index(scsicmd));
+ snprintf(msg, sizeof(msg),
+ "cmd %d RESET FAILED, lockup detected",
+ hpsa_get_cmd_index(scsicmd));
hpsa_show_dev_msg(KERN_WARNING, h, dev, msg);
return FAILED;
}
/* this reset request might be the result of a lockup; check */
if (detect_controller_lockup(h)) {
- sprintf(msg, "cmd %d RESET FAILED, new lockup detected",
- hpsa_get_cmd_index(scsicmd));
+ snprintf(msg, sizeof(msg),
+ "cmd %d RESET FAILED, new lockup detected",
+ hpsa_get_cmd_index(scsicmd));
hpsa_show_dev_msg(KERN_WARNING, h, dev, msg);
return FAILED;
}
@@ -5145,7 +5210,8 @@ static int hpsa_eh_device_reset_handler(struct scsi_cmnd *scsicmd)
/* send a reset to the SCSI LUN which the command was sent to */
rc = hpsa_do_reset(h, dev, dev->scsi3addr, HPSA_RESET_TYPE_LUN,
DEFAULT_REPLY_QUEUE);
- sprintf(msg, "reset %s", rc == 0 ? "completed successfully" : "failed");
+ snprintf(msg, sizeof(msg), "reset %s",
+ rc == 0 ? "completed successfully" : "failed");
hpsa_show_dev_msg(KERN_WARNING, h, dev, msg);
return rc == 0 ? SUCCESS : FAILED;
}
@@ -7989,7 +8055,6 @@ reinit_after_soft_reset:
pci_set_drvdata(pdev, h);
h->ndevices = 0;
- h->hba_mode_enabled = 0;
spin_lock_init(&h->devlock);
rc = hpsa_put_ctlr_into_performant_mode(h);
@@ -8054,7 +8119,7 @@ reinit_after_soft_reset:
rc = hpsa_kdump_soft_reset(h);
if (rc)
/* Neither hard nor soft reset worked, we're hosed. */
- goto clean9;
+ goto clean7;
dev_info(&h->pdev->dev, "Board READY.\n");
dev_info(&h->pdev->dev,
@@ -8100,8 +8165,6 @@ reinit_after_soft_reset:
h->heartbeat_sample_interval);
return 0;
-clean9: /* wq, sh, perf, sg, cmd, irq, shost, pci, lu, aer/h */
- kfree(h->hba_inquiry_data);
clean7: /* perf, sg, cmd, irq, shost, pci, lu, aer/h */
hpsa_free_performant_mode(h);
h->access.set_intr_mask(h, HPSA_INTR_OFF);
@@ -8209,6 +8272,14 @@ static void hpsa_remove_one(struct pci_dev *pdev)
destroy_workqueue(h->rescan_ctlr_wq);
destroy_workqueue(h->resubmit_wq);
+ /*
+ * Call before disabling interrupts.
+ * scsi_remove_host can trigger I/O operations especially
+ * when multipath is enabled. There can be SYNCHRONIZE CACHE
+ * operations which cannot complete and will hang the system.
+ */
+ if (h->scsi_host)
+ scsi_remove_host(h->scsi_host); /* init_one 8 */
/* includes hpsa_free_irqs - init_one 4 */
/* includes hpsa_disable_interrupt_mode - pci_init 2 */
hpsa_shutdown(pdev);
@@ -8217,8 +8288,6 @@ static void hpsa_remove_one(struct pci_dev *pdev)
kfree(h->hba_inquiry_data); /* init_one 10 */
h->hba_inquiry_data = NULL; /* init_one 10 */
- if (h->scsi_host)
- scsi_remove_host(h->scsi_host); /* init_one 8 */
hpsa_free_ioaccel2_sg_chain_blocks(h);
hpsa_free_performant_mode(h); /* init_one 7 */
hpsa_free_sg_chain_blocks(h); /* init_one 6 */
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