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path: root/drivers/scsi/lpfc/lpfc_init.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c129
1 files changed, 59 insertions, 70 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index cb465b253910..e0b20fad8502 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2012 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2013 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -60,7 +60,8 @@ unsigned long _dump_buf_dif_order;
spinlock_t _dump_buf_lock;
/* Used when mapping IRQ vectors in a driver centric manner */
-uint16_t lpfc_used_cpu[LPFC_MAX_CPU];
+uint16_t *lpfc_used_cpu;
+uint32_t lpfc_present_cpu;
static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
static int lpfc_post_rcv_buf(struct lpfc_hba *);
@@ -4049,52 +4050,6 @@ lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba)
}
/**
- * lpfc_sli4_perform_inuse_fcf_recovery - Perform inuse fcf recovery
- * @vport: pointer to lpfc hba data structure.
- *
- * This routine is to perform FCF recovery when the in-use FCF either dead or
- * got modified.
- **/
-static void
-lpfc_sli4_perform_inuse_fcf_recovery(struct lpfc_hba *phba,
- struct lpfc_acqe_fip *acqe_fip)
-{
- int rc;
-
- spin_lock_irq(&phba->hbalock);
- /* Mark the fast failover process in progress */
- phba->fcf.fcf_flag |= FCF_DEAD_DISC;
- spin_unlock_irq(&phba->hbalock);
-
- lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
- "2771 Start FCF fast failover process due to in-use "
- "FCF DEAD/MODIFIED event: evt_tag:x%x, index:x%x\n",
- acqe_fip->event_tag, acqe_fip->index);
- rc = lpfc_sli4_redisc_fcf_table(phba);
- if (rc) {
- lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
- "2772 Issue FCF rediscover mabilbox command "
- "failed, fail through to FCF dead event\n");
- spin_lock_irq(&phba->hbalock);
- phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
- spin_unlock_irq(&phba->hbalock);
- /*
- * Last resort will fail over by treating this as a link
- * down to FCF registration.
- */
- lpfc_sli4_fcf_dead_failthrough(phba);
- } else {
- /* Reset FCF roundrobin bmask for new discovery */
- lpfc_sli4_clear_fcf_rr_bmask(phba);
- /*
- * Handling fast FCF failover to a DEAD FCF event is
- * considered equalivant to receiving CVL to all vports.
- */
- lpfc_sli4_perform_all_vport_cvl(phba);
- }
-}
-
-/**
* lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
* @phba: pointer to lpfc hba data structure.
* @acqe_link: pointer to the async fcoe completion queue entry.
@@ -4159,22 +4114,9 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
break;
}
- /* If FCF has been in discovered state, perform rediscovery
- * only if the FCF with the same index of the in-use FCF got
- * modified during normal operation. Otherwise, do nothing.
- */
- if (phba->pport->port_state > LPFC_FLOGI) {
+ /* If the FCF has been in discovered state, do nothing. */
+ if (phba->fcf.fcf_flag & FCF_SCAN_DONE) {
spin_unlock_irq(&phba->hbalock);
- if (phba->fcf.current_rec.fcf_indx ==
- acqe_fip->index) {
- lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
- "3300 In-use FCF (%d) "
- "modified, perform FCF "
- "rediscovery\n",
- acqe_fip->index);
- lpfc_sli4_perform_inuse_fcf_recovery(phba,
- acqe_fip);
- }
break;
}
spin_unlock_irq(&phba->hbalock);
@@ -4227,7 +4169,39 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
* is no longer valid as we are not in the middle of FCF
* failover process already.
*/
- lpfc_sli4_perform_inuse_fcf_recovery(phba, acqe_fip);
+ spin_lock_irq(&phba->hbalock);
+ /* Mark the fast failover process in progress */
+ phba->fcf.fcf_flag |= FCF_DEAD_DISC;
+ spin_unlock_irq(&phba->hbalock);
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
+ "2771 Start FCF fast failover process due to "
+ "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
+ "\n", acqe_fip->event_tag, acqe_fip->index);
+ rc = lpfc_sli4_redisc_fcf_table(phba);
+ if (rc) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
+ LOG_DISCOVERY,
+ "2772 Issue FCF rediscover mabilbox "
+ "command failed, fail through to FCF "
+ "dead event\n");
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
+ spin_unlock_irq(&phba->hbalock);
+ /*
+ * Last resort will fail over by treating this
+ * as a link down to FCF registration.
+ */
+ lpfc_sli4_fcf_dead_failthrough(phba);
+ } else {
+ /* Reset FCF roundrobin bmask for new discovery */
+ lpfc_sli4_clear_fcf_rr_bmask(phba);
+ /*
+ * Handling fast FCF failover to a DEAD FCF event is
+ * considered equalivant to receiving CVL to all vports.
+ */
+ lpfc_sli4_perform_all_vport_cvl(phba);
+ }
break;
case LPFC_FIP_EVENT_TYPE_CVL:
phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
@@ -5213,6 +5187,21 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
rc = -ENOMEM;
goto out_free_msix;
}
+ if (lpfc_used_cpu == NULL) {
+ lpfc_used_cpu = kzalloc((sizeof(uint16_t) * lpfc_present_cpu),
+ GFP_KERNEL);
+ if (!lpfc_used_cpu) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "3335 Failed allocate memory for msi-x "
+ "interrupt vector mapping\n");
+ kfree(phba->sli4_hba.cpu_map);
+ rc = -ENOMEM;
+ goto out_free_msix;
+ }
+ for (i = 0; i < lpfc_present_cpu; i++)
+ lpfc_used_cpu[i] = LPFC_VECTOR_MAP_EMPTY;
+ }
+
/* Initialize io channels for round robin */
cpup = phba->sli4_hba.cpu_map;
rc = 0;
@@ -6824,8 +6813,6 @@ lpfc_sli4_queue_verify(struct lpfc_hba *phba)
int cfg_fcp_io_channel;
uint32_t cpu;
uint32_t i = 0;
- uint32_t j = 0;
-
/*
* Sanity check for configured queue parameters against the run-time
@@ -6839,10 +6826,9 @@ lpfc_sli4_queue_verify(struct lpfc_hba *phba)
for_each_present_cpu(cpu) {
if (cpu_online(cpu))
i++;
- j++;
}
phba->sli4_hba.num_online_cpu = i;
- phba->sli4_hba.num_present_cpu = j;
+ phba->sli4_hba.num_present_cpu = lpfc_present_cpu;
if (i < cfg_fcp_io_channel) {
lpfc_printf_log(phba,
@@ -10967,8 +10953,10 @@ lpfc_init(void)
}
/* Initialize in case vector mapping is needed */
- for (cpu = 0; cpu < LPFC_MAX_CPU; cpu++)
- lpfc_used_cpu[cpu] = LPFC_VECTOR_MAP_EMPTY;
+ lpfc_used_cpu = NULL;
+ lpfc_present_cpu = 0;
+ for_each_present_cpu(cpu)
+ lpfc_present_cpu++;
error = pci_register_driver(&lpfc_driver);
if (error) {
@@ -11008,6 +10996,7 @@ lpfc_exit(void)
(1L << _dump_buf_dif_order), _dump_buf_dif);
free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order);
}
+ kfree(lpfc_used_cpu);
}
module_init(lpfc_init);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-16 02:14:40 +0300