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path: root/drivers/scsi/hpsa.c
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Diffstat (limited to 'drivers/scsi/hpsa.c')
-rw-r--r--drivers/scsi/hpsa.c187
1 files changed, 149 insertions, 38 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 5be944c8b71c..ff8dcd5b0631 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -60,7 +60,7 @@
* HPSA_DRIVER_VERSION must be 3 byte values (0-255) separated by '.'
* with an optional trailing '-' followed by a byte value (0-255).
*/
-#define HPSA_DRIVER_VERSION "3.4.14-0"
+#define HPSA_DRIVER_VERSION "3.4.16-0"
#define DRIVER_NAME "HP HPSA Driver (v " HPSA_DRIVER_VERSION ")"
#define HPSA "hpsa"
@@ -294,6 +294,9 @@ static void hpsa_disable_rld_caching(struct ctlr_info *h);
static inline int hpsa_scsi_do_report_phys_luns(struct ctlr_info *h,
struct ReportExtendedLUNdata *buf, int bufsize);
static int hpsa_luns_changed(struct ctlr_info *h);
+static bool hpsa_cmd_dev_match(struct ctlr_info *h, struct CommandList *c,
+ struct hpsa_scsi_dev_t *dev,
+ unsigned char *scsi3addr);
static inline struct ctlr_info *sdev_to_hba(struct scsi_device *sdev)
{
@@ -728,6 +731,29 @@ static ssize_t unique_id_show(struct device *dev,
sn[12], sn[13], sn[14], sn[15]);
}
+static ssize_t sas_address_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;
+ u64 sas_address;
+
+ sdev = to_scsi_device(dev);
+ h = sdev_to_hba(sdev);
+ spin_lock_irqsave(&h->lock, flags);
+ hdev = sdev->hostdata;
+ if (!hdev || is_logical_device(hdev) || !hdev->expose_device) {
+ spin_unlock_irqrestore(&h->lock, flags);
+ return -ENODEV;
+ }
+ sas_address = hdev->sas_address;
+ spin_unlock_irqrestore(&h->lock, flags);
+
+ return snprintf(buf, PAGE_SIZE, "0x%016llx\n", sas_address);
+}
+
static ssize_t host_show_hp_ssd_smart_path_enabled(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -840,6 +866,7 @@ 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(sas_address, S_IRUGO, sas_address_show, NULL);
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);
@@ -865,6 +892,7 @@ static struct device_attribute *hpsa_sdev_attrs[] = {
&dev_attr_unique_id,
&dev_attr_hp_ssd_smart_path_enabled,
&dev_attr_path_info,
+ &dev_attr_sas_address,
NULL,
};
@@ -1637,9 +1665,8 @@ static void hpsa_figure_phys_disk_ptrs(struct ctlr_info *h,
for (j = 0; j < ndevices; j++) {
if (dev[j] == NULL)
continue;
- if (dev[j]->devtype != TYPE_DISK)
- continue;
- if (dev[j]->devtype != TYPE_ZBC)
+ if (dev[j]->devtype != TYPE_DISK &&
+ dev[j]->devtype != TYPE_ZBC)
continue;
if (is_logical_device(dev[j]))
continue;
@@ -1684,9 +1711,8 @@ static void hpsa_update_log_drive_phys_drive_ptrs(struct ctlr_info *h,
for (i = 0; i < ndevices; i++) {
if (dev[i] == NULL)
continue;
- if (dev[i]->devtype != TYPE_DISK)
- continue;
- if (dev[i]->devtype != TYPE_ZBC)
+ if (dev[i]->devtype != TYPE_DISK &&
+ dev[i]->devtype != TYPE_ZBC)
continue;
if (!is_logical_device(dev[i]))
continue;
@@ -1720,6 +1746,51 @@ static int hpsa_add_device(struct ctlr_info *h, struct hpsa_scsi_dev_t *device)
return rc;
}
+static int hpsa_find_outstanding_commands_for_dev(struct ctlr_info *h,
+ struct hpsa_scsi_dev_t *dev)
+{
+ int i;
+ int count = 0;
+
+ for (i = 0; i < h->nr_cmds; i++) {
+ struct CommandList *c = h->cmd_pool + i;
+ int refcount = atomic_inc_return(&c->refcount);
+
+ if (refcount > 1 && hpsa_cmd_dev_match(h, c, dev,
+ dev->scsi3addr)) {
+ unsigned long flags;
+
+ spin_lock_irqsave(&h->lock, flags); /* Implied MB */
+ if (!hpsa_is_cmd_idle(c))
+ ++count;
+ spin_unlock_irqrestore(&h->lock, flags);
+ }
+
+ cmd_free(h, c);
+ }
+
+ return count;
+}
+
+static void hpsa_wait_for_outstanding_commands_for_dev(struct ctlr_info *h,
+ struct hpsa_scsi_dev_t *device)
+{
+ int cmds = 0;
+ int waits = 0;
+
+ while (1) {
+ cmds = hpsa_find_outstanding_commands_for_dev(h, device);
+ if (cmds == 0)
+ break;
+ if (++waits > 20)
+ break;
+ dev_warn(&h->pdev->dev,
+ "%s: removing device with %d outstanding commands!\n",
+ __func__, cmds);
+ msleep(1000);
+ }
+}
+
static void hpsa_remove_device(struct ctlr_info *h,
struct hpsa_scsi_dev_t *device)
{
@@ -1743,8 +1814,13 @@ static void hpsa_remove_device(struct ctlr_info *h,
hpsa_show_dev_msg(KERN_WARNING, h, device,
"didn't find device for removal.");
}
- } else /* HBA */
+ } else { /* HBA */
+
+ device->removed = 1;
+ hpsa_wait_for_outstanding_commands_for_dev(h, device);
+
hpsa_remove_sas_device(device);
+ }
}
static void adjust_hpsa_scsi_table(struct ctlr_info *h,
@@ -2146,7 +2222,8 @@ static void hpsa_unmap_sg_chain_block(struct ctlr_info *h,
static int handle_ioaccel_mode2_error(struct ctlr_info *h,
struct CommandList *c,
struct scsi_cmnd *cmd,
- struct io_accel2_cmd *c2)
+ struct io_accel2_cmd *c2,
+ struct hpsa_scsi_dev_t *dev)
{
int data_len;
int retry = 0;
@@ -2210,8 +2287,27 @@ static int handle_ioaccel_mode2_error(struct ctlr_info *h,
case IOACCEL2_STATUS_SR_NO_PATH_TO_DEVICE:
case IOACCEL2_STATUS_SR_INVALID_DEVICE:
case IOACCEL2_STATUS_SR_IOACCEL_DISABLED:
- /* We will get an event from ctlr to trigger rescan */
- retry = 1;
+ /*
+ * Did an HBA disk disappear? We will eventually
+ * get a state change event from the controller but
+ * in the meantime, we need to tell the OS that the
+ * HBA disk is no longer there and stop I/O
+ * from going down. This allows the potential re-insert
+ * of the disk to get the same device node.
+ */
+ if (dev->physical_device && dev->expose_device) {
+ cmd->result = DID_NO_CONNECT << 16;
+ dev->removed = 1;
+ h->drv_req_rescan = 1;
+ dev_warn(&h->pdev->dev,
+ "%s: device is gone!\n", __func__);
+ } else
+ /*
+ * Retry by sending down the RAID path.
+ * We will get an event from ctlr to
+ * trigger rescan regardless.
+ */
+ retry = 1;
break;
default:
retry = 1;
@@ -2335,13 +2431,15 @@ static void process_ioaccel2_completion(struct ctlr_info *h,
c2->error_data.serv_response ==
IOACCEL2_SERV_RESPONSE_FAILURE) {
if (c2->error_data.status ==
- IOACCEL2_STATUS_SR_IOACCEL_DISABLED)
+ IOACCEL2_STATUS_SR_IOACCEL_DISABLED) {
dev->offload_enabled = 0;
+ dev->offload_to_be_enabled = 0;
+ }
return hpsa_retry_cmd(h, c);
}
- if (handle_ioaccel_mode2_error(h, c, cmd, c2))
+ if (handle_ioaccel_mode2_error(h, c, cmd, c2, dev))
return hpsa_retry_cmd(h, c);
return hpsa_cmd_free_and_done(h, c, cmd);
@@ -2806,7 +2904,7 @@ static int hpsa_scsi_do_inquiry(struct ctlr_info *h, unsigned char *scsi3addr,
goto out;
}
rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
- PCI_DMA_FROMDEVICE, NO_TIMEOUT);
+ PCI_DMA_FROMDEVICE, DEFAULT_TIMEOUT);
if (rc)
goto out;
ei = c->err_info;
@@ -2832,7 +2930,7 @@ static int hpsa_send_reset(struct ctlr_info *h, unsigned char *scsi3addr,
/* fill_cmd can't fail here, no data buffer to map. */
(void) fill_cmd(c, reset_type, h, NULL, 0, 0,
scsi3addr, TYPE_MSG);
- rc = hpsa_scsi_do_simple_cmd(h, c, reply_queue, NO_TIMEOUT);
+ rc = hpsa_scsi_do_simple_cmd(h, c, reply_queue, DEFAULT_TIMEOUT);
if (rc) {
dev_warn(&h->pdev->dev, "Failed to send reset command\n");
goto out;
@@ -3080,7 +3178,7 @@ static int hpsa_get_raid_map(struct ctlr_info *h,
return -1;
}
rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
- PCI_DMA_FROMDEVICE, NO_TIMEOUT);
+ PCI_DMA_FROMDEVICE, DEFAULT_TIMEOUT);
if (rc)
goto out;
ei = c->err_info;
@@ -3123,7 +3221,7 @@ static int hpsa_bmic_sense_subsystem_information(struct ctlr_info *h,
c->Request.CDB[9] = (bmic_device_index >> 8) & 0xff;
rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
- PCI_DMA_FROMDEVICE, NO_TIMEOUT);
+ PCI_DMA_FROMDEVICE, DEFAULT_TIMEOUT);
if (rc)
goto out;
ei = c->err_info;
@@ -3151,7 +3249,7 @@ static int hpsa_bmic_id_controller(struct ctlr_info *h,
goto out;
rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
- PCI_DMA_FROMDEVICE, NO_TIMEOUT);
+ PCI_DMA_FROMDEVICE, DEFAULT_TIMEOUT);
if (rc)
goto out;
ei = c->err_info;
@@ -3182,7 +3280,7 @@ static int hpsa_bmic_id_physical_device(struct ctlr_info *h,
c->Request.CDB[9] = (bmic_device_index >> 8) & 0xff;
hpsa_scsi_do_simple_cmd_with_retry(h, c, PCI_DMA_FROMDEVICE,
- NO_TIMEOUT);
+ DEFAULT_TIMEOUT);
ei = c->err_info;
if (ei->CommandStatus != 0 && ei->CommandStatus != CMD_DATA_UNDERRUN) {
hpsa_scsi_interpret_error(h, c);
@@ -3250,7 +3348,7 @@ static void hpsa_get_enclosure_info(struct ctlr_info *h,
c->Request.CDB[5] = 0;
rc = hpsa_scsi_do_simple_cmd_with_retry(h, c, PCI_DMA_FROMDEVICE,
- NO_TIMEOUT);
+ DEFAULT_TIMEOUT);
if (rc)
goto out;
@@ -3462,7 +3560,7 @@ static int hpsa_scsi_do_report_luns(struct ctlr_info *h, int logical,
if (extended_response)
c->Request.CDB[1] = extended_response;
rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
- PCI_DMA_FROMDEVICE, NO_TIMEOUT);
+ PCI_DMA_FROMDEVICE, DEFAULT_TIMEOUT);
if (rc)
goto out;
ei = c->err_info;
@@ -3569,7 +3667,8 @@ static int hpsa_volume_offline(struct ctlr_info *h,
c = cmd_alloc(h);
(void) fill_cmd(c, TEST_UNIT_READY, h, NULL, 0, 0, scsi3addr, TYPE_CMD);
- rc = hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE, NO_TIMEOUT);
+ rc = hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE,
+ DEFAULT_TIMEOUT);
if (rc) {
cmd_free(h, c);
return 0;
@@ -3644,7 +3743,8 @@ static int hpsa_device_supports_aborts(struct ctlr_info *h,
c = cmd_alloc(h);
(void) fill_cmd(c, HPSA_ABORT_MSG, h, &tag, 0, 0, scsi3addr, TYPE_MSG);
- (void) hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE, NO_TIMEOUT);
+ (void) hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE,
+ DEFAULT_TIMEOUT);
/* no unmap needed here because no data xfer. */
ei = c->err_info;
switch (ei->CommandStatus) {
@@ -5234,6 +5334,12 @@ static int hpsa_scsi_queue_command(struct Scsi_Host *sh, struct scsi_cmnd *cmd)
dev = cmd->device->hostdata;
if (!dev) {
+ cmd->result = NOT_READY << 16; /* host byte */
+ cmd->scsi_done(cmd);
+ return 0;
+ }
+
+ if (dev->removed) {
cmd->result = DID_NO_CONNECT << 16;
cmd->scsi_done(cmd);
return 0;
@@ -5414,7 +5520,7 @@ static int hpsa_send_test_unit_ready(struct ctlr_info *h,
/* Send the Test Unit Ready, fill_cmd can't fail, no mapping */
(void) fill_cmd(c, TEST_UNIT_READY, h,
NULL, 0, 0, lunaddr, TYPE_CMD);
- rc = hpsa_scsi_do_simple_cmd(h, c, reply_queue, NO_TIMEOUT);
+ rc = hpsa_scsi_do_simple_cmd(h, c, reply_queue, DEFAULT_TIMEOUT);
if (rc)
return rc;
/* no unmap needed here because no data xfer. */
@@ -5638,7 +5744,7 @@ static int hpsa_send_abort(struct ctlr_info *h, unsigned char *scsi3addr,
0, 0, scsi3addr, TYPE_MSG);
if (h->needs_abort_tags_swizzled)
swizzle_abort_tag(&c->Request.CDB[4]);
- (void) hpsa_scsi_do_simple_cmd(h, c, reply_queue, NO_TIMEOUT);
+ (void) hpsa_scsi_do_simple_cmd(h, c, reply_queue, DEFAULT_TIMEOUT);
hpsa_get_tag(h, abort, &taglower, &tagupper);
dev_dbg(&h->pdev->dev, "%s: Tag:0x%08x:%08x: do_simple_cmd(abort) completed.\n",
__func__, tagupper, taglower);
@@ -5803,7 +5909,7 @@ static int hpsa_send_abort_ioaccel2(struct ctlr_info *h,
c = cmd_alloc(h);
setup_ioaccel2_abort_cmd(c, h, abort, reply_queue);
c2 = &h->ioaccel2_cmd_pool[c->cmdindex];
- (void) hpsa_scsi_do_simple_cmd(h, c, reply_queue, NO_TIMEOUT);
+ (void) hpsa_scsi_do_simple_cmd(h, c, reply_queue, DEFAULT_TIMEOUT);
hpsa_get_tag(h, abort, &taglower, &tagupper);
dev_dbg(&h->pdev->dev,
"%s: Tag:0x%08x:%08x: do_simple_cmd(ioaccel2 abort) completed.\n",
@@ -6348,7 +6454,8 @@ static int hpsa_passthru_ioctl(struct ctlr_info *h, void __user *argp)
c->SG[0].Len = cpu_to_le32(iocommand.buf_size);
c->SG[0].Ext = cpu_to_le32(HPSA_SG_LAST); /* not chaining */
}
- rc = hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE, NO_TIMEOUT);
+ rc = hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE,
+ DEFAULT_TIMEOUT);
if (iocommand.buf_size > 0)
hpsa_pci_unmap(h->pdev, c, 1, PCI_DMA_BIDIRECTIONAL);
check_ioctl_unit_attention(h, c);
@@ -6480,7 +6587,8 @@ static int hpsa_big_passthru_ioctl(struct ctlr_info *h, void __user *argp)
}
c->SG[--i].Ext = cpu_to_le32(HPSA_SG_LAST);
}
- status = hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE, NO_TIMEOUT);
+ status = hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE,
+ DEFAULT_TIMEOUT);
if (sg_used)
hpsa_pci_unmap(h->pdev, c, sg_used, PCI_DMA_BIDIRECTIONAL);
check_ioctl_unit_attention(h, c);
@@ -8254,8 +8362,10 @@ static void hpsa_ack_ctlr_events(struct ctlr_info *h)
event_type = "configuration change";
/* Stop sending new RAID offload reqs via the IO accelerator */
scsi_block_requests(h->scsi_host);
- for (i = 0; i < h->ndevices; i++)
+ for (i = 0; i < h->ndevices; i++) {
h->dev[i]->offload_enabled = 0;
+ h->dev[i]->offload_to_be_enabled = 0;
+ }
hpsa_drain_accel_commands(h);
/* Set 'accelerator path config change' bit */
dev_warn(&h->pdev->dev,
@@ -8541,11 +8651,6 @@ reinit_after_soft_reset:
if (rc)
goto clean6; /* sg, cmd, irq, shost, pci, lu, aer/h */
- /* hook into SCSI subsystem */
- rc = hpsa_scsi_add_host(h);
- if (rc)
- goto clean7; /* perf, sg, cmd, irq, shost, pci, lu, aer/h */
-
/* create the resubmit workqueue */
h->rescan_ctlr_wq = hpsa_create_controller_wq(h, "rescan");
if (!h->rescan_ctlr_wq) {
@@ -8642,6 +8747,11 @@ reinit_after_soft_reset:
dev_info(&h->pdev->dev,
"Can't track change to report lun data\n");
+ /* hook into SCSI subsystem */
+ rc = hpsa_scsi_add_host(h);
+ if (rc)
+ goto clean7; /* perf, sg, cmd, irq, shost, pci, lu, aer/h */
+
/* Monitor the controller for firmware lockups */
h->heartbeat_sample_interval = HEARTBEAT_SAMPLE_INTERVAL;
INIT_DELAYED_WORK(&h->monitor_ctlr_work, hpsa_monitor_ctlr_worker);
@@ -8703,7 +8813,7 @@ static void hpsa_flush_cache(struct ctlr_info *h)
goto out;
}
rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
- PCI_DMA_TODEVICE, NO_TIMEOUT);
+ PCI_DMA_TODEVICE, DEFAULT_TIMEOUT);
if (rc)
goto out;
if (c->err_info->CommandStatus != 0)
@@ -8742,7 +8852,7 @@ static void hpsa_disable_rld_caching(struct ctlr_info *h)
goto errout;
rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
- PCI_DMA_FROMDEVICE, NO_TIMEOUT);
+ PCI_DMA_FROMDEVICE, DEFAULT_TIMEOUT);
if ((rc != 0) || (c->err_info->CommandStatus != 0))
goto errout;
@@ -8754,7 +8864,7 @@ static void hpsa_disable_rld_caching(struct ctlr_info *h)
goto errout;
rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
- PCI_DMA_TODEVICE, NO_TIMEOUT);
+ PCI_DMA_TODEVICE, DEFAULT_TIMEOUT);
if ((rc != 0) || (c->err_info->CommandStatus != 0))
goto errout;
@@ -8764,7 +8874,7 @@ static void hpsa_disable_rld_caching(struct ctlr_info *h)
goto errout;
rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
- PCI_DMA_FROMDEVICE, NO_TIMEOUT);
+ PCI_DMA_FROMDEVICE, DEFAULT_TIMEOUT);
if ((rc != 0) || (c->err_info->CommandStatus != 0))
goto errout;
@@ -9602,6 +9712,7 @@ hpsa_sas_get_linkerrors(struct sas_phy *phy)
static int
hpsa_sas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
{
+ *identifier = 0;
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-29 03:18:24 +0300