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hpsa: use scsi host_no as hpsa controller number 

Rather than numbering the hpsa controllers with an
incrementing 0..n value (e.g., that shows up in
/proc/interrupts), use the scsi midlayer
host_no (e.g. matching /sys/class/scsi_host/hostNN).

Reviewed-by: Scott Teel <scott.teel@pmcs.com>
Reviewed-by: Kevin Barnett <kevin.barnett@pmcs.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Hannes Reinecke <hare@Suse.de>
Signed-off-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Don Brace <don.brace@pmcs.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
Robert Elliott 2015-04-23 09:35:09 -05:00 committed by James Bottomley
parent 73153fe533
commit 2946e82bdd
1 changed files with 74 additions and 60 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

134
drivers/scsi/hpsa.c
View File

@ -324,32 +324,35 @@ static int check_for_unit_attention(struct ctlr_info *h,
switch (asc) {
case STATE_CHANGED:
dev_warn(&h->pdev->dev,
HPSA "%d: a state change detected, command retried\n",
h->ctlr);
"%s: a state change detected, command retried\n",
h->devname);
break;
case LUN_FAILED:
dev_warn(&h->pdev->dev,
HPSA "%d: LUN failure detected\n", h->ctlr);
"%s: LUN failure detected\n", h->devname);
break;
case REPORT_LUNS_CHANGED:
dev_warn(&h->pdev->dev,
HPSA "%d: report LUN data changed\n", h->ctlr);
"%s: report LUN data changed\n", h->devname);
/*
* Note: this REPORT_LUNS_CHANGED condition only occurs on the external
* target (array) devices.
*/
break;
case POWER_OR_RESET:
dev_warn(&h->pdev->dev, HPSA "%d: a power on "
"or device reset detected\n", h->ctlr);
dev_warn(&h->pdev->dev,
"%s: a power on or device reset detected\n",
h->devname);
break;
case UNIT_ATTENTION_CLEARED:
dev_warn(&h->pdev->dev, HPSA "%d: unit attention "
"cleared by another initiator\n", h->ctlr);
dev_warn(&h->pdev->dev,
"%s: unit attention cleared by another initiator\n",
h->devname);
break;
default:
dev_warn(&h->pdev->dev, HPSA "%d: unknown "
"unit attention detected\n", h->ctlr);
dev_warn(&h->pdev->dev,
"%s: unknown unit attention detected\n",
h->devname);
break;
}
return 1;
@ -4764,22 +4767,16 @@ static int hpsa_scan_finished(struct Scsi_Host *sh,
return finished;
}
static void hpsa_unregister_scsi(struct ctlr_info *h)
{
/* we are being forcibly unloaded, and may not refuse. */
scsi_remove_host(h->scsi_host);
scsi_host_put(h->scsi_host);
h->scsi_host = NULL;
}
static int hpsa_register_scsi(struct ctlr_info *h)
static int hpsa_scsi_host_alloc(struct ctlr_info *h)
{
struct Scsi_Host *sh;
int error;
sh = scsi_host_alloc(&hpsa_driver_template, sizeof(h));
if (sh == NULL)
goto fail;
if (sh == NULL) {
dev_err(&h->pdev->dev, "scsi_host_alloc failed\n");
return -ENOMEM;
}
sh->io_port = 0;
sh->n_io_port = 0;
@ -4791,7 +4788,6 @@ static int hpsa_register_scsi(struct ctlr_info *h)
sh->can_queue = h->nr_cmds - HPSA_NRESERVED_CMDS;
sh->cmd_per_lun = sh->can_queue;
sh->sg_tablesize = h->maxsgentries;
h->scsi_host = sh;
sh->hostdata[0] = (unsigned long) h;
sh->irq = h->intr[h->intr_mode];
sh->unique_id = sh->irq;
@ -4800,24 +4796,24 @@ static int hpsa_register_scsi(struct ctlr_info *h)
dev_err(&h->pdev->dev,
"%s: scsi_init_shared_tag_map failed for controller %d\n",
__func__, h->ctlr);
goto fail_host_put;
scsi_host_put(sh);
return error;
}
error = scsi_add_host(sh, &h->pdev->dev);
if (error) {
dev_err(&h->pdev->dev, "%s: scsi_add_host failed for controller %d\n",
__func__, h->ctlr);
goto fail_host_put;
}
scsi_scan_host(sh);
h->scsi_host = sh;
return 0;
}
fail_host_put:
scsi_host_put(sh);
return error;
fail:
dev_err(&h->pdev->dev, "%s: scsi_host_alloc"
" failed for controller %d\n", __func__, h->ctlr);
return -ENOMEM;
static int hpsa_scsi_add_host(struct ctlr_info *h)
{
int rv;
rv = scsi_add_host(h->scsi_host, &h->pdev->dev);
if (rv) {
dev_err(&h->pdev->dev, "scsi_add_host failed\n");
return rv;
}
scsi_scan_host(h->scsi_host);
return 0;
}
/*
@ -7483,7 +7479,9 @@ static void hpsa_undo_allocations_after_kdump_soft_reset(struct ctlr_info *h)
hpsa_free_sg_chain_blocks(h); /* init_one 6 */
hpsa_free_cmd_pool(h); /* init_one 5 */
hpsa_free_irqs(h); /* init_one 4 */
hpsa_free_pci_init(h); /* init_one 3 */
scsi_host_put(h->scsi_host); /* init_one 3 */
h->scsi_host = NULL; /* init_one 3 */
hpsa_free_pci_init(h); /* init_one 2_5 */
free_percpu(h->lockup_detected); /* init_one 2 */
h->lockup_detected = NULL; /* init_one 2 */
if (h->resubmit_wq) {
@ -7793,9 +7791,15 @@ reinit_after_soft_reset:
rc = hpsa_pci_init(h);
if (rc)
goto clean2; /* lockup, aer/h */
goto clean2; /* lu, aer/h */
sprintf(h->devname, HPSA "%d", number_of_controllers);
/* relies on h-> settings made by hpsa_pci_init, including
* interrupt_mode h->intr */
rc = hpsa_scsi_host_alloc(h);
if (rc)
goto clean2_5; /* pci, lu, aer/h */
sprintf(h->devname, HPSA "%d", h->scsi_host->host_no);
h->ctlr = number_of_controllers;
number_of_controllers++;
@ -7809,7 +7813,7 @@ reinit_after_soft_reset:
dac = 0;
} else {
dev_err(&pdev->dev, "no suitable DMA available\n");
goto clean3; /* pci, lockup, aer/h */
goto clean3; /* shost, pci, lu, aer/h */
}
}
@ -7818,13 +7822,13 @@ reinit_after_soft_reset:
rc = hpsa_request_irqs(h, do_hpsa_intr_msi, do_hpsa_intr_intx);
if (rc)
goto clean3; /* pci, lockup, aer/h */
goto clean3; /* shost, pci, lu, aer/h */
rc = hpsa_alloc_cmd_pool(h);
if (rc)
goto clean4; /* irq, pci, lockup, aer/h */
goto clean4; /* irq, shost, pci, lu, aer/h */
rc = hpsa_alloc_sg_chain_blocks(h);
if (rc)
goto clean5; /* cmd, irq, pci, lockup, aer/h */
goto clean5; /* cmd, irq, shost, pci, lu, aer/h */
init_waitqueue_head(&h->scan_wait_queue);
init_waitqueue_head(&h->abort_cmd_wait_queue);
init_waitqueue_head(&h->abort_sync_wait_queue);
@ -7833,11 +7837,16 @@ reinit_after_soft_reset:
pci_set_drvdata(pdev, h);
h->ndevices = 0;
h->hba_mode_enabled = 0;
h->scsi_host = NULL;
spin_lock_init(&h->devlock);
rc = hpsa_put_ctlr_into_performant_mode(h);
if (rc)
goto clean6; /* sg, cmd, irq, pci, lockup, aer/h */
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");
@ -7892,7 +7901,7 @@ reinit_after_soft_reset:
rc = hpsa_kdump_soft_reset(h);
if (rc)
/* Neither hard nor soft reset worked, we're hosed. */
goto clean8;
goto clean9;
dev_info(&h->pdev->dev, "Board READY.\n");
dev_info(&h->pdev->dev,
@ -7927,9 +7936,6 @@ reinit_after_soft_reset:
h->access.set_intr_mask(h, HPSA_INTR_ON);
hpsa_hba_inquiry(h);
rc = hpsa_register_scsi(h); /* hook ourselves into SCSI subsystem */
if (rc)
goto clean8; /* wq, perf, sg, cmd, irq, pci, lockup, aer/h */
/* Monitor the controller for firmware lockups */
h->heartbeat_sample_interval = HEARTBEAT_SAMPLE_INTERVAL;
@ -7941,20 +7947,23 @@ reinit_after_soft_reset:
h->heartbeat_sample_interval);
return 0;
clean8: /* perf, sg, cmd, irq, pci, lockup, aer/h */
clean9: /* wq, sh, perf, sg, cmd, irq, shost, pci, lu, aer/h */
kfree(h->hba_inquiry_data);
clean7: /* perf, sg, cmd, irq, pci, lockup, aer/h */
clean7: /* perf, sg, cmd, irq, shost, pci, lu, aer/h */
hpsa_free_performant_mode(h);
h->access.set_intr_mask(h, HPSA_INTR_OFF);
clean6: /* sg, cmd, irq, pci, lockup, wq/aer/h */
hpsa_free_sg_chain_blocks(h);
clean5: /* cmd, irq, pci, lockup, aer/h */
clean5: /* cmd, irq, shost, pci, lu, aer/h */
hpsa_free_cmd_pool(h);
clean4: /* irq, pci, lockup, aer/h */
clean4: /* irq, shost, pci, lu, aer/h */
hpsa_free_irqs(h);
clean3: /* pci, lockup, aer/h */
clean3: /* shost, pci, lu, aer/h */
scsi_host_put(h->scsi_host);
h->scsi_host = NULL;
clean2_5: /* pci, lu, aer/h */
hpsa_free_pci_init(h);
clean2: /* lockup, aer/h */
clean2: /* lu, aer/h */
if (h->lockup_detected) {
free_percpu(h->lockup_detected);
h->lockup_detected = NULL;
@ -8053,17 +8062,22 @@ static void hpsa_remove_one(struct pci_dev *pdev)
hpsa_free_device_info(h); /* scan */
hpsa_unregister_scsi(h); /* init_one 9 */
kfree(h->hba_inquiry_data); /* init_one 9 */
h->hba_inquiry_data = NULL; /* init_one 9 */
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 */
hpsa_free_cmd_pool(h); /* init_one 5 */
/* hpsa_free_irqs already called via hpsa_shutdown init_one 4 */
scsi_host_put(h->scsi_host); /* init_one 3 */
h->scsi_host = NULL; /* init_one 3 */
/* includes hpsa_disable_interrupt_mode - pci_init 2 */
hpsa_free_pci_init(h); /* init_one 3 */
hpsa_free_pci_init(h); /* init_one 2.5 */
free_percpu(h->lockup_detected); /* init_one 2 */
h->lockup_detected = NULL; /* init_one 2 */