mirror of https://gitee.com/openkylin/linux.git
[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 <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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@ -250,6 +250,7 @@ struct lpfc_hba {
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#define FC_LOOPBACK_MODE 0x40000 /* NPort is in Loopback mode */
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/* This flag is set while issuing */
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/* INIT_LINK mailbox command */
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#define FC_IGNORE_ERATT 0x80000 /* intr handler should ignore ERATT */
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uint32_t fc_topology; /* link topology, from LINK INIT */
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@ -1584,6 +1584,7 @@ void lpfc_reset_barrier(struct lpfc_hba * phba)
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hc_copy = readl(phba->HCregaddr);
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writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr);
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readl(phba->HCregaddr); /* flush */
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phba->fc_flag |= FC_IGNORE_ERATT;
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if (readl(phba->HAregaddr) & HA_ERATT) {
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/* Clear Chip error bit */
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@ -1626,6 +1627,7 @@ void lpfc_reset_barrier(struct lpfc_hba * phba)
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}
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restore_hc:
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phba->fc_flag &= ~FC_IGNORE_ERATT;
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writel(hc_copy, phba->HCregaddr);
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readl(phba->HCregaddr); /* flush */
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}
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@ -1661,6 +1663,7 @@ lpfc_sli_brdkill(struct lpfc_hba * phba)
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status &= ~HC_ERINT_ENA;
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writel(status, phba->HCregaddr);
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readl(phba->HCregaddr); /* flush */
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phba->fc_flag |= FC_IGNORE_ERATT;
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spin_unlock_irq(phba->host->host_lock);
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lpfc_kill_board(phba, pmb);
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@ -1670,6 +1673,9 @@ lpfc_sli_brdkill(struct lpfc_hba * phba)
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if (retval != MBX_SUCCESS) {
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if (retval != MBX_BUSY)
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mempool_free(pmb, phba->mbox_mem_pool);
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spin_lock_irq(phba->host->host_lock);
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phba->fc_flag &= ~FC_IGNORE_ERATT;
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spin_unlock_irq(phba->host->host_lock);
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return 1;
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}
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@ -1696,6 +1702,7 @@ lpfc_sli_brdkill(struct lpfc_hba * phba)
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}
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spin_lock_irq(phba->host->host_lock);
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psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
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phba->fc_flag &= ~FC_IGNORE_ERATT;
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spin_unlock_irq(phba->host->host_lock);
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psli->mbox_active = NULL;
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@ -3207,6 +3214,11 @@ lpfc_intr_handler(int irq, void *dev_id)
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*/
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spin_lock(phba->host->host_lock);
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ha_copy = readl(phba->HAregaddr);
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/* If somebody is waiting to handle an eratt don't process it
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* here. The brdkill function will do this.
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*/
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if (phba->fc_flag & FC_IGNORE_ERATT)
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ha_copy &= ~HA_ERATT;
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writel((ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr);
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readl(phba->HAregaddr); /* flush */
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spin_unlock(phba->host->host_lock);
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