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[SCSI] lpfc 8.1.12 : Don't process ERATT interrupts when issuing KILL_BOARD mbx command

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Don't process ERATT interrupts when issuing KILL_BOARD mbx command

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
James Smart 2007-04-25 09:53:15 -04:00 committed by James Bottomley
parent 685f0bf7af
commit ebdbe65f07
2 changed files with 13 additions and 0 deletions
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1
drivers/scsi/lpfc/lpfc.h
View file

@ -250,6 +250,7 @@ struct lpfc_hba {
#define FC_LOOPBACK_MODE 0x40000 /* NPort is in Loopback mode */ #define FC_LOOPBACK_MODE 0x40000 /* NPort is in Loopback mode */
/* This flag is set while issuing */ /* This flag is set while issuing */
/* INIT_LINK mailbox command */ /* INIT_LINK mailbox command */
#define FC_IGNORE_ERATT 0x80000 /* intr handler should ignore ERATT */
uint32_t fc_topology; /* link topology, from LINK INIT */ uint32_t fc_topology; /* link topology, from LINK INIT */

12
drivers/scsi/lpfc/lpfc_sli.c
View file

@ -1584,6 +1584,7 @@ void lpfc_reset_barrier(struct lpfc_hba * phba)
hc_copy = readl(phba->HCregaddr); hc_copy = readl(phba->HCregaddr);
writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr); writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr);
readl(phba->HCregaddr); /* flush */ readl(phba->HCregaddr); /* flush */
phba->fc_flag |= FC_IGNORE_ERATT;
if (readl(phba->HAregaddr) & HA_ERATT) { if (readl(phba->HAregaddr) & HA_ERATT) {
/* Clear Chip error bit */ /* Clear Chip error bit */
@ -1626,6 +1627,7 @@ void lpfc_reset_barrier(struct lpfc_hba * phba)
} }
restore_hc: restore_hc:
phba->fc_flag &= ~FC_IGNORE_ERATT;
writel(hc_copy, phba->HCregaddr); writel(hc_copy, phba->HCregaddr);
readl(phba->HCregaddr); /* flush */ readl(phba->HCregaddr); /* flush */
} }
@ -1661,6 +1663,7 @@ lpfc_sli_brdkill(struct lpfc_hba * phba)
status &= ~HC_ERINT_ENA; status &= ~HC_ERINT_ENA;
writel(status, phba->HCregaddr); writel(status, phba->HCregaddr);
readl(phba->HCregaddr); /* flush */ readl(phba->HCregaddr); /* flush */
phba->fc_flag |= FC_IGNORE_ERATT;
spin_unlock_irq(phba->host->host_lock); spin_unlock_irq(phba->host->host_lock);
lpfc_kill_board(phba, pmb); lpfc_kill_board(phba, pmb);
@ -1670,6 +1673,9 @@ lpfc_sli_brdkill(struct lpfc_hba * phba)
if (retval != MBX_SUCCESS) { if (retval != MBX_SUCCESS) {
if (retval != MBX_BUSY) if (retval != MBX_BUSY)
mempool_free(pmb, phba->mbox_mem_pool); mempool_free(pmb, phba->mbox_mem_pool);
spin_lock_irq(phba->host->host_lock);
phba->fc_flag &= ~FC_IGNORE_ERATT;
spin_unlock_irq(phba->host->host_lock);
return 1; return 1;
} }
@ -1696,6 +1702,7 @@ lpfc_sli_brdkill(struct lpfc_hba * phba)
} }
spin_lock_irq(phba->host->host_lock); spin_lock_irq(phba->host->host_lock);
psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
phba->fc_flag &= ~FC_IGNORE_ERATT;
spin_unlock_irq(phba->host->host_lock); spin_unlock_irq(phba->host->host_lock);
psli->mbox_active = NULL; psli->mbox_active = NULL;
@ -3207,6 +3214,11 @@ lpfc_intr_handler(int irq, void *dev_id)
*/ */
spin_lock(phba->host->host_lock); spin_lock(phba->host->host_lock);
ha_copy = readl(phba->HAregaddr); ha_copy = readl(phba->HAregaddr);
/* If somebody is waiting to handle an eratt don't process it
* here. The brdkill function will do this.
*/
if (phba->fc_flag & FC_IGNORE_ERATT)
ha_copy &= ~HA_ERATT;
writel((ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); writel((ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr);
readl(phba->HAregaddr); /* flush */ readl(phba->HAregaddr); /* flush */
spin_unlock(phba->host->host_lock); spin_unlock(phba->host->host_lock);