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authorJames Smart <James.Smart@Emulex.Com>2007-04-25 09:53:15 -0400
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2007-05-06 10:33:15 -0400
commitebdbe65f07bb26baf69fcb0ee332702064888018 (patch)
tree328177ffe3b823565870e598507d0dbc9104663f /drivers
parent685f0bf7afe087940d34f98ac0fd1df84091d360 (diff)
[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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/lpfc/lpfc.h1
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c12
2 files changed, 13 insertions, 0 deletions
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 {
250#define FC_LOOPBACK_MODE 0x40000 /* NPort is in Loopback mode */ 250#define FC_LOOPBACK_MODE 0x40000 /* NPort is in Loopback mode */
251 /* This flag is set while issuing */ 251 /* This flag is set while issuing */
252 /* INIT_LINK mailbox command */ 252 /* INIT_LINK mailbox command */
253#define FC_IGNORE_ERATT 0x80000 /* intr handler should ignore ERATT */
253 254
254 uint32_t fc_topology; /* link topology, from LINK INIT */ 255 uint32_t fc_topology; /* link topology, from LINK INIT */
255 256
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)
1584 hc_copy = readl(phba->HCregaddr); 1584 hc_copy = readl(phba->HCregaddr);
1585 writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr); 1585 writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr);
1586 readl(phba->HCregaddr); /* flush */ 1586 readl(phba->HCregaddr); /* flush */
1587 phba->fc_flag |= FC_IGNORE_ERATT;
1587 1588
1588 if (readl(phba->HAregaddr) & HA_ERATT) { 1589 if (readl(phba->HAregaddr) & HA_ERATT) {
1589 /* Clear Chip error bit */ 1590 /* Clear Chip error bit */
@@ -1626,6 +1627,7 @@ clear_errat:
1626 } 1627 }
1627 1628
1628restore_hc: 1629restore_hc:
1630 phba->fc_flag &= ~FC_IGNORE_ERATT;
1629 writel(hc_copy, phba->HCregaddr); 1631 writel(hc_copy, phba->HCregaddr);
1630 readl(phba->HCregaddr); /* flush */ 1632 readl(phba->HCregaddr); /* flush */
1631} 1633}
@@ -1661,6 +1663,7 @@ lpfc_sli_brdkill(struct lpfc_hba * phba)
1661 status &= ~HC_ERINT_ENA; 1663 status &= ~HC_ERINT_ENA;
1662 writel(status, phba->HCregaddr); 1664 writel(status, phba->HCregaddr);
1663 readl(phba->HCregaddr); /* flush */ 1665 readl(phba->HCregaddr); /* flush */
1666 phba->fc_flag |= FC_IGNORE_ERATT;
1664 spin_unlock_irq(phba->host->host_lock); 1667 spin_unlock_irq(phba->host->host_lock);
1665 1668
1666 lpfc_kill_board(phba, pmb); 1669 lpfc_kill_board(phba, pmb);
@@ -1670,6 +1673,9 @@ lpfc_sli_brdkill(struct lpfc_hba * phba)
1670 if (retval != MBX_SUCCESS) { 1673 if (retval != MBX_SUCCESS) {
1671 if (retval != MBX_BUSY) 1674 if (retval != MBX_BUSY)
1672 mempool_free(pmb, phba->mbox_mem_pool); 1675 mempool_free(pmb, phba->mbox_mem_pool);
1676 spin_lock_irq(phba->host->host_lock);
1677 phba->fc_flag &= ~FC_IGNORE_ERATT;
1678 spin_unlock_irq(phba->host->host_lock);
1673 return 1; 1679 return 1;
1674 } 1680 }
1675 1681
@@ -1696,6 +1702,7 @@ lpfc_sli_brdkill(struct lpfc_hba * phba)
1696 } 1702 }
1697 spin_lock_irq(phba->host->host_lock); 1703 spin_lock_irq(phba->host->host_lock);
1698 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; 1704 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
1705 phba->fc_flag &= ~FC_IGNORE_ERATT;
1699 spin_unlock_irq(phba->host->host_lock); 1706 spin_unlock_irq(phba->host->host_lock);
1700 1707
1701 psli->mbox_active = NULL; 1708 psli->mbox_active = NULL;
@@ -3207,6 +3214,11 @@ lpfc_intr_handler(int irq, void *dev_id)
3207 */ 3214 */
3208 spin_lock(phba->host->host_lock); 3215 spin_lock(phba->host->host_lock);
3209 ha_copy = readl(phba->HAregaddr); 3216 ha_copy = readl(phba->HAregaddr);
3217 /* If somebody is waiting to handle an eratt don't process it
3218 * here. The brdkill function will do this.
3219 */
3220 if (phba->fc_flag & FC_IGNORE_ERATT)
3221 ha_copy &= ~HA_ERATT;
3210 writel((ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); 3222 writel((ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr);
3211 readl(phba->HAregaddr); /* flush */ 3223 readl(phba->HAregaddr); /* flush */
3212 spin_unlock(phba->host->host_lock); 3224 spin_unlock(phba->host->host_lock);