From ebdbe65f07bb26baf69fcb0ee332702064888018 Mon Sep 17 00:00:00 2001 From: James Smart Date: Wed, 25 Apr 2007 09:53:15 -0400 Subject: [PATCH] [SCSI] lpfc 8.1.12 : Don't process ERATT interrupts when issuing KILL_BOARD mbx command Don't process ERATT interrupts when issuing KILL_BOARD mbx command Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc.h | 1 + drivers/scsi/lpfc/lpfc_sli.c | 12 ++++++++++++ 2 files changed, 13 insertions(+) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index ccc4ca194c60..913e08ee0b4a 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -250,6 +250,7 @@ struct lpfc_hba { #define FC_LOOPBACK_MODE 0x40000 /* NPort is in Loopback mode */ /* This flag is set while issuing */ /* INIT_LINK mailbox command */ +#define FC_IGNORE_ERATT 0x80000 /* intr handler should ignore ERATT */ uint32_t fc_topology; /* link topology, from LINK INIT */ diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 645291efce08..1508b3f6639f 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -1584,6 +1584,7 @@ void lpfc_reset_barrier(struct lpfc_hba * phba) hc_copy = readl(phba->HCregaddr); writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr); readl(phba->HCregaddr); /* flush */ + phba->fc_flag |= FC_IGNORE_ERATT; if (readl(phba->HAregaddr) & HA_ERATT) { /* Clear Chip error bit */ @@ -1626,6 +1627,7 @@ clear_errat: } restore_hc: + phba->fc_flag &= ~FC_IGNORE_ERATT; writel(hc_copy, phba->HCregaddr); readl(phba->HCregaddr); /* flush */ } @@ -1661,6 +1663,7 @@ lpfc_sli_brdkill(struct lpfc_hba * phba) status &= ~HC_ERINT_ENA; writel(status, phba->HCregaddr); readl(phba->HCregaddr); /* flush */ + phba->fc_flag |= FC_IGNORE_ERATT; spin_unlock_irq(phba->host->host_lock); lpfc_kill_board(phba, pmb); @@ -1670,6 +1673,9 @@ lpfc_sli_brdkill(struct lpfc_hba * phba) if (retval != MBX_SUCCESS) { if (retval != MBX_BUSY) 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; } @@ -1696,6 +1702,7 @@ lpfc_sli_brdkill(struct lpfc_hba * phba) } spin_lock_irq(phba->host->host_lock); psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; + phba->fc_flag &= ~FC_IGNORE_ERATT; spin_unlock_irq(phba->host->host_lock); psli->mbox_active = NULL; @@ -3207,6 +3214,11 @@ lpfc_intr_handler(int irq, void *dev_id) */ spin_lock(phba->host->host_lock); 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); readl(phba->HAregaddr); /* flush */ spin_unlock(phba->host->host_lock); -- 2.20.1