1 files changed, 234 insertions, 167 deletions

diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index a36a120561e..eb5c75c45ba 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -68,7 +68,7 @@ typedef enum _lpfc_iocb_type {
 } lpfc_iocb_type;
 
 /**
- * lpfc_cmd_iocb: Get next command iocb entry in the ring.
+ * lpfc_cmd_iocb - Get next command iocb entry in the ring
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  *
@@ -85,7 +85,7 @@ lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 }
 
 /**
- * lpfc_resp_iocb: Get next response iocb entry in the ring.
+ * lpfc_resp_iocb - Get next response iocb entry in the ring
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  *
@@ -102,7 +102,7 @@ lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 }
 
 /**
- * __lpfc_sli_get_iocbq: Allocates an iocb object from iocb pool.
+ * __lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool
  * @phba: Pointer to HBA context object.
  *
  * This function is called with hbalock held. This function
@@ -121,7 +121,7 @@ __lpfc_sli_get_iocbq(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sli_get_iocbq: Allocates an iocb object from iocb pool.
+ * lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool
  * @phba: Pointer to HBA context object.
  *
  * This function is called with no lock held. This function
@@ -142,7 +142,7 @@ lpfc_sli_get_iocbq(struct lpfc_hba *phba)
 }
 
 /**
- * __lpfc_sli_release_iocbq: Release iocb to the iocb pool.
+ * __lpfc_sli_release_iocbq - Release iocb to the iocb pool
  * @phba: Pointer to HBA context object.
  * @iocbq: Pointer to driver iocb object.
  *
@@ -164,7 +164,7 @@ __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
 }
 
 /**
- * lpfc_sli_release_iocbq: Release iocb to the iocb pool.
+ * lpfc_sli_release_iocbq - Release iocb to the iocb pool
  * @phba: Pointer to HBA context object.
  * @iocbq: Pointer to driver iocb object.
  *
@@ -185,8 +185,40 @@ lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
 }
 
 /**
- * lpfc_sli_iocb_cmd_type: Get the iocb type.
- * @iocb_cmnd : iocb command code.
+ * lpfc_sli_cancel_iocbs - Cancel all iocbs from a list.
+ * @phba: Pointer to HBA context object.
+ * @iocblist: List of IOCBs.
+ * @ulpstatus: ULP status in IOCB command field.
+ * @ulpWord4: ULP word-4 in IOCB command field.
+ *
+ * This function is called with a list of IOCBs to cancel. It cancels the IOCB
+ * on the list by invoking the complete callback function associated with the
+ * IOCB with the provided @ulpstatus and @ulpword4 set to the IOCB commond
+ * fields.
+ **/
+void
+lpfc_sli_cancel_iocbs(struct lpfc_hba *phba, struct list_head *iocblist,
+                      uint32_t ulpstatus, uint32_t ulpWord4)
+{
+        struct lpfc_iocbq *piocb;
+
+        while (!list_empty(iocblist)) {
+                list_remove_head(iocblist, piocb, struct lpfc_iocbq, list);
+
+                if (!piocb->iocb_cmpl)
+                        lpfc_sli_release_iocbq(phba, piocb);
+                else {
+                        piocb->iocb.ulpStatus = ulpstatus;
+                        piocb->iocb.un.ulpWord[4] = ulpWord4;
+                        (piocb->iocb_cmpl) (phba, piocb, piocb);
+                }
+        }
+        return;
+}
+
+/**
+ * lpfc_sli_iocb_cmd_type - Get the iocb type
+ * @iocb_cmnd: iocb command code.
  *
  * This function is called by ring event handler function to get the iocb type.
  * This function translates the iocb command to an iocb command type used to
@@ -295,7 +327,7 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd)
 }
 
 /**
- * lpfc_sli_ring_map: Issue config_ring mbox for all rings.
+ * lpfc_sli_ring_map - Issue config_ring mbox for all rings
  * @phba: Pointer to HBA context object.
  *
  * This function is called from SLI initialization code
@@ -338,7 +370,7 @@ lpfc_sli_ring_map(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sli_ringtxcmpl_put: Adds new iocb to the txcmplq.
+ * lpfc_sli_ringtxcmpl_put - Adds new iocb to the txcmplq
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @piocb: Pointer to the driver iocb object.
@@ -370,7 +402,7 @@ lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 }
 
 /**
- * lpfc_sli_ringtx_get: Get first element of the txq.
+ * lpfc_sli_ringtx_get - Get first element of the txq
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  *
@@ -391,7 +423,7 @@ lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 }
 
 /**
- * lpfc_sli_next_iocb_slot: Get next iocb slot in the ring.
+ * lpfc_sli_next_iocb_slot - Get next iocb slot in the ring
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  *
@@ -445,7 +477,7 @@ lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 }
 
 /**
- * lpfc_sli_next_iotag: Get an iotag for the iocb.
+ * lpfc_sli_next_iotag - Get an iotag for the iocb
  * @phba: Pointer to HBA context object.
  * @iocbq: Pointer to driver iocb object.
  *
@@ -520,7 +552,7 @@ lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
 }
 
 /**
- * lpfc_sli_submit_iocb: Submit an iocb to the firmware.
+ * lpfc_sli_submit_iocb - Submit an iocb to the firmware
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @iocb: Pointer to iocb slot in the ring.
@@ -577,7 +609,7 @@ lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 }
 
 /**
- * lpfc_sli_update_full_ring: Update the chip attention register.
+ * lpfc_sli_update_full_ring - Update the chip attention register
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  *
@@ -608,7 +640,7 @@ lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 }
 
 /**
- * lpfc_sli_update_ring: Update chip attention register.
+ * lpfc_sli_update_ring - Update chip attention register
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  *
@@ -632,7 +664,7 @@ lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 }
 
 /**
- * lpfc_sli_resume_iocb: Process iocbs in the txq.
+ * lpfc_sli_resume_iocb - Process iocbs in the txq
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  *
@@ -672,7 +704,7 @@ lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 }
 
 /**
- * lpfc_sli_next_hbq_slot: Get next hbq entry for the HBQ.
+ * lpfc_sli_next_hbq_slot - Get next hbq entry for the HBQ
  * @phba: Pointer to HBA context object.
  * @hbqno: HBQ number.
  *
@@ -717,7 +749,7 @@ lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno)
 }
 
 /**
- * lpfc_sli_hbqbuf_free_all: Free all the hbq buffers.
+ * lpfc_sli_hbqbuf_free_all - Free all the hbq buffers
  * @phba: Pointer to HBA context object.
  *
  * This function is called with no lock held to free all the
@@ -771,7 +803,7 @@ lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sli_hbq_to_firmware: Post the hbq buffer to firmware.
+ * lpfc_sli_hbq_to_firmware - Post the hbq buffer to firmware
  * @phba: Pointer to HBA context object.
  * @hbqno: HBQ number.
  * @hbq_buf: Pointer to HBQ buffer.
@@ -818,8 +850,8 @@ static struct lpfc_hbq_init lpfc_els_hbq = {
         .profile = 0,
         .ring_mask = (1 << LPFC_ELS_RING),
         .buffer_count = 0,
-        .init_count = 20,
-        .add_count = 5,
+        .init_count = 40,
+        .add_count = 40,
 };
 
 /* HBQ for the extra ring if needed */
@@ -841,7 +873,7 @@ struct lpfc_hbq_init *lpfc_hbq_defs[] = {
 };
 
 /**
- * lpfc_sli_hbqbuf_fill_hbqs: Post more hbq buffers to HBQ.
+ * lpfc_sli_hbqbuf_fill_hbqs - Post more hbq buffers to HBQ
  * @phba: Pointer to HBA context object.
  * @hbqno: HBQ number.
  * @count: Number of HBQ buffers to be posted.
@@ -901,7 +933,7 @@ err:
 }
 
 /**
- * lpfc_sli_hbqbuf_add_hbqs: Post more HBQ buffers to firmware.
+ * lpfc_sli_hbqbuf_add_hbqs - Post more HBQ buffers to firmware
  * @phba: Pointer to HBA context object.
  * @qno: HBQ number.
  *
@@ -917,7 +949,7 @@ lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno)
 }
 
 /**
- * lpfc_sli_hbqbuf_init_hbqs: Post initial buffers to the HBQ.
+ * lpfc_sli_hbqbuf_init_hbqs - Post initial buffers to the HBQ
  * @phba: Pointer to HBA context object.
  * @qno:  HBQ queue number.
  *
@@ -933,7 +965,7 @@ lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno)
 }
 
 /**
- * lpfc_sli_hbqbuf_find: Find the hbq buffer associated with a tag.
+ * lpfc_sli_hbqbuf_find - Find the hbq buffer associated with a tag
  * @phba: Pointer to HBA context object.
  * @tag: Tag of the hbq buffer.
  *
@@ -966,7 +998,7 @@ lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag)
 }
 
 /**
- * lpfc_sli_free_hbq: Give back the hbq buffer to firmware.
+ * lpfc_sli_free_hbq - Give back the hbq buffer to firmware
  * @phba: Pointer to HBA context object.
  * @hbq_buffer: Pointer to HBQ buffer.
  *
@@ -988,7 +1020,7 @@ lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer)
 }
 
 /**
- * lpfc_sli_chk_mbx_command: Check if the mailbox is a legitimate mailbox.
+ * lpfc_sli_chk_mbx_command - Check if the mailbox is a legitimate mailbox
  * @mbxCommand: mailbox command code.
  *
  * This function is called by the mailbox event handler function to verify
@@ -1064,8 +1096,7 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand)
 }
 
 /**
- * lpfc_sli_wake_mbox_wait: Completion handler for mbox issued from
- *          lpfc_sli_issue_mbox_wait.
+ * lpfc_sli_wake_mbox_wait - lpfc_sli_issue_mbox_wait mbox completion handler
  * @phba: Pointer to HBA context object.
  * @pmboxq: Pointer to mailbox command.
  *
@@ -1096,7 +1127,7 @@ lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
 
 
 /**
- * lpfc_sli_def_mbox_cmpl: Default mailbox completion handler.
+ * lpfc_sli_def_mbox_cmpl - Default mailbox completion handler
  * @phba: Pointer to HBA context object.
  * @pmb: Pointer to mailbox object.
  *
@@ -1140,7 +1171,7 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 }
 
 /**
- * lpfc_sli_handle_mb_event: Handle mailbox completions from firmware.
+ * lpfc_sli_handle_mb_event - Handle mailbox completions from firmware
  * @phba: Pointer to HBA context object.
  *
  * This function is called with no lock held. This function processes all
@@ -1260,7 +1291,7 @@ lpfc_sli_handle_mb_event(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sli_get_buff: Get the buffer associated with the buffer tag.
+ * lpfc_sli_get_buff - Get the buffer associated with the buffer tag
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @tag: buffer tag.
@@ -1288,7 +1319,7 @@ lpfc_sli_get_buff(struct lpfc_hba *phba,
 
 
 /**
- * lpfc_sli_process_unsol_iocb: Unsolicited iocb handler.
+ * lpfc_sli_process_unsol_iocb - Unsolicited iocb handler
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @saveq: Pointer to the unsolicited iocb.
@@ -1484,7 +1515,7 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 }
 
 /**
- * lpfc_sli_iocbq_lookup: Find command iocb for the given response iocb.
+ * lpfc_sli_iocbq_lookup - Find command iocb for the given response iocb
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @prspiocb: Pointer to response iocb object.
@@ -1521,7 +1552,7 @@ lpfc_sli_iocbq_lookup(struct lpfc_hba *phba,
 }
 
 /**
- * lpfc_sli_process_sol_iocb: process solicited iocb completion.
+ * lpfc_sli_process_sol_iocb - process solicited iocb completion
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @saveq: Pointer to the response iocb to be processed.
@@ -1597,7 +1628,7 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
                          * Ring <ringno> handler: unexpected completion IoTag
                          * <IoTag>
                          */
-                        lpfc_printf_vlog(cmdiocbp->vport, KERN_WARNING, LOG_SLI,
+                        lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
                                          "0322 Ring %d handler: "
                                          "unexpected completion IoTag x%x "
                                          "Data: x%x x%x x%x x%x\n",
@@ -1614,7 +1645,7 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 }
 
 /**
- * lpfc_sli_rsp_pointers_error: Response ring pointer error handler.
+ * lpfc_sli_rsp_pointers_error - Response ring pointer error handler
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  *
@@ -1652,7 +1683,7 @@ lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 }
 
 /**
- * lpfc_poll_eratt: Error attention polling timer timeout handler.
+ * lpfc_poll_eratt - Error attention polling timer timeout handler
  * @ptr: Pointer to address of HBA context object.
  *
  * This function is invoked by the Error Attention polling timer when the
@@ -1682,7 +1713,7 @@ void lpfc_poll_eratt(unsigned long ptr)
 }
 
 /**
- * lpfc_sli_poll_fcp_ring: Handle FCP ring completion in polling mode.
+ * lpfc_sli_poll_fcp_ring - Handle FCP ring completion in polling mode
  * @phba: Pointer to HBA context object.
  *
  * This function is called from lpfc_queuecommand, lpfc_poll_timeout,
@@ -1845,7 +1876,7 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sli_handle_fast_ring_event: Handle ring events on FCP ring.
+ * lpfc_sli_handle_fast_ring_event - Handle ring events on FCP ring
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @mask: Host attention register mask for this ring.
@@ -2037,7 +2068,7 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
 }
 
 /**
- * lpfc_sli_handle_slow_ring_event: Handle ring events for non-FCP rings.
+ * lpfc_sli_handle_slow_ring_event - Handle ring events for non-FCP rings
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @mask: Host attention register mask for this ring.
@@ -2311,7 +2342,7 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba,
 }
 
 /**
- * lpfc_sli_abort_iocb_ring: Abort all iocbs in the ring.
+ * lpfc_sli_abort_iocb_ring - Abort all iocbs in the ring
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  *
@@ -2325,7 +2356,6 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 {
         LIST_HEAD(completions);
         struct lpfc_iocbq *iocb, *next_iocb;
-        IOCB_t *cmd = NULL;
 
         if (pring->ringno == LPFC_ELS_RING) {
                 lpfc_fabric_abort_hba(phba);
@@ -2344,23 +2374,13 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 
         spin_unlock_irq(&phba->hbalock);
 
-        while (!list_empty(&completions)) {
-                iocb = list_get_first(&completions, struct lpfc_iocbq, list);
-                cmd = &iocb->iocb;
-                list_del_init(&iocb->list);
-
-                if (!iocb->iocb_cmpl)
-                        lpfc_sli_release_iocbq(phba, iocb);
-                else {
-                        cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
-                        cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
-                        (iocb->iocb_cmpl) (phba, iocb, iocb);
-                }
-        }
+        /* Cancel all the IOCBs from the completions list */
+        lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+                              IOERR_SLI_ABORTED);
 }
 
 /**
- * lpfc_sli_flush_fcp_rings: flush all iocbs in the fcp ring.
+ * lpfc_sli_flush_fcp_rings - flush all iocbs in the fcp ring
  * @phba: Pointer to HBA context object.
  *
  * This function flushes all iocbs in the fcp ring and frees all the iocb
@@ -2374,8 +2394,6 @@ lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba)
 {
         LIST_HEAD(txq);
         LIST_HEAD(txcmplq);
-        struct lpfc_iocbq *iocb;
-        IOCB_t *cmd = NULL;
         struct lpfc_sli *psli = &phba->sli;
         struct lpfc_sli_ring  *pring;
 
@@ -2393,38 +2411,16 @@ lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba)
         spin_unlock_irq(&phba->hbalock);
 
         /* Flush the txq */
-        while (!list_empty(&txq)) {
-                iocb = list_get_first(&txq, struct lpfc_iocbq, list);
-                cmd = &iocb->iocb;
-                list_del_init(&iocb->list);
-
-                if (!iocb->iocb_cmpl)
-                        lpfc_sli_release_iocbq(phba, iocb);
-                else {
-                        cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
-                        cmd->un.ulpWord[4] = IOERR_SLI_DOWN;
-                        (iocb->iocb_cmpl) (phba, iocb, iocb);
-                }
-        }
+        lpfc_sli_cancel_iocbs(phba, &txq, IOSTAT_LOCAL_REJECT,
+                              IOERR_SLI_DOWN);
 
         /* Flush the txcmpq */
-        while (!list_empty(&txcmplq)) {
-                iocb = list_get_first(&txcmplq, struct lpfc_iocbq, list);
-                cmd = &iocb->iocb;
-                list_del_init(&iocb->list);
-
-                if (!iocb->iocb_cmpl)
-                        lpfc_sli_release_iocbq(phba, iocb);
-                else {
-                        cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
-                        cmd->un.ulpWord[4] = IOERR_SLI_DOWN;
-                        (iocb->iocb_cmpl) (phba, iocb, iocb);
-                }
-        }
+        lpfc_sli_cancel_iocbs(phba, &txcmplq, IOSTAT_LOCAL_REJECT,
+                              IOERR_SLI_DOWN);
 }
 
 /**
- * lpfc_sli_brdready: Check for host status bits.
+ * lpfc_sli_brdready - Check for host status bits
  * @phba: Pointer to HBA context object.
  * @mask: Bit mask to be checked.
  *
@@ -2484,7 +2480,7 @@ lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask)
 #define BARRIER_TEST_PATTERN (0xdeadbeef)
 
 /**
- * lpfc_reset_barrier: Make HBA ready for HBA reset.
+ * lpfc_reset_barrier - Make HBA ready for HBA reset
  * @phba: Pointer to HBA context object.
  *
  * This function is called before resetting an HBA. This
@@ -2564,7 +2560,7 @@ restore_hc:
 }
 
 /**
- * lpfc_sli_brdkill: Issue a kill_board mailbox command.
+ * lpfc_sli_brdkill - Issue a kill_board mailbox command
  * @phba: Pointer to HBA context object.
  *
  * This function issues a kill_board mailbox command and waits for
@@ -2651,7 +2647,7 @@ lpfc_sli_brdkill(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sli_brdreset: Reset the HBA.
+ * lpfc_sli_brdreset - Reset the HBA
  * @phba: Pointer to HBA context object.
  *
  * This function resets the HBA by writing HC_INITFF to the control
@@ -2714,7 +2710,7 @@ lpfc_sli_brdreset(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sli_brdrestart: Restart the HBA.
+ * lpfc_sli_brdrestart - Restart the HBA
  * @phba: Pointer to HBA context object.
  *
  * This function is called in the SLI initialization code path to
@@ -2781,7 +2777,7 @@ lpfc_sli_brdrestart(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sli_chipset_init: Wait for the restart of the HBA after a restart.
+ * lpfc_sli_chipset_init - Wait for the restart of the HBA after a restart
  * @phba: Pointer to HBA context object.
  *
  * This function is called after a HBA restart to wait for successful
@@ -2876,7 +2872,7 @@ lpfc_sli_chipset_init(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sli_hbq_count: Get the number of HBQs to be configured.
+ * lpfc_sli_hbq_count - Get the number of HBQs to be configured
  *
  * This function calculates and returns the number of HBQs required to be
  * configured.
@@ -2888,7 +2884,7 @@ lpfc_sli_hbq_count(void)
 }
 
 /**
- * lpfc_sli_hbq_entry_count: Calculate total number of hbq entries.
+ * lpfc_sli_hbq_entry_count - Calculate total number of hbq entries
  *
  * This function adds the number of hbq entries in every HBQ to get
  * the total number of hbq entries required for the HBA and returns
@@ -2907,7 +2903,7 @@ lpfc_sli_hbq_entry_count(void)
 }
 
 /**
- * lpfc_sli_hbq_size: Calculate memory required for all hbq entries.
+ * lpfc_sli_hbq_size - Calculate memory required for all hbq entries
  *
  * This function calculates amount of memory required for all hbq entries
  * to be configured and returns the total memory required.
@@ -2919,7 +2915,7 @@ lpfc_sli_hbq_size(void)
 }
 
 /**
- * lpfc_sli_hbq_setup: configure and initialize HBQs.
+ * lpfc_sli_hbq_setup - configure and initialize HBQs
  * @phba: Pointer to HBA context object.
  *
  * This function is called during the SLI initialization to configure
@@ -2988,7 +2984,7 @@ lpfc_sli_hbq_setup(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sli_config_port: Issue config port mailbox command.
+ * lpfc_sli_config_port - Issue config port mailbox command
  * @phba: Pointer to HBA context object.
  * @sli_mode: sli mode - 2/3
  *
@@ -3114,7 +3110,7 @@ do_prep_failed:
 
 
 /**
- * lpfc_sli_hba_setup: SLI intialization function.
+ * lpfc_sli_hba_setup - SLI intialization function
  * @phba: Pointer to HBA context object.
  *
  * This function is the main SLI intialization function. This function
@@ -3206,7 +3202,7 @@ lpfc_sli_hba_setup_error:
 
 
 /**
- * lpfc_mbox_timeout: Timeout call back function for mbox timer.
+ * lpfc_mbox_timeout - Timeout call back function for mbox timer
  * @ptr: context object - pointer to hba structure.
  *
  * This is the callback function for mailbox timer. The mailbox
@@ -3237,7 +3233,7 @@ lpfc_mbox_timeout(unsigned long ptr)
 
 
 /**
- * lpfc_mbox_timeout_handler: Worker thread function to handle mailbox timeout.
+ * lpfc_mbox_timeout_handler - Worker thread function to handle mailbox timeout
  * @phba: Pointer to HBA context object.
  *
  * This function is called from worker thread when a mailbox command times out.
@@ -3252,6 +3248,21 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
         struct lpfc_sli *psli = &phba->sli;
         struct lpfc_sli_ring *pring;
 
+        /* Check the pmbox pointer first.  There is a race condition
+         * between the mbox timeout handler getting executed in the
+         * worklist and the mailbox actually completing. When this
+         * race condition occurs, the mbox_active will be NULL.
+         */
+        spin_lock_irq(&phba->hbalock);
+        if (pmbox == NULL) {
+                lpfc_printf_log(phba, KERN_WARNING,
+                                LOG_MBOX | LOG_SLI,
+                                "0353 Active Mailbox cleared - mailbox timeout "
+                                "exiting\n");
+                spin_unlock_irq(&phba->hbalock);
+                return;
+        }
+
         /* Mbox cmd <mbxCommand> timeout */
         lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
                         "0310 Mailbox command x%x timeout Data: x%x x%x x%p\n",
@@ -3259,6 +3270,7 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
                         phba->pport->port_state,
                         phba->sli.sli_flag,
                         phba->sli.mbox_active);
+        spin_unlock_irq(&phba->hbalock);
 
         /* Setting state unknown so lpfc_sli_abort_iocb_ring
          * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing
@@ -3295,7 +3307,7 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sli_issue_mbox: Issue a mailbox command to firmware.
+ * lpfc_sli_issue_mbox - Issue a mailbox command to firmware
  * @phba: Pointer to HBA context object.
  * @pmbox: Pointer to mailbox object.
  * @flag: Flag indicating how the mailbox need to be processed.
@@ -3365,6 +3377,12 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
                 goto out_not_finished;
         }
 
+        /* If HBA has a deferred error attention, fail the iocb. */
+        if (unlikely(phba->hba_flag & DEFER_ERATT)) {
+                spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
+                goto out_not_finished;
+        }
+
         psli = &phba->sli;
 
         mb = &pmbox->mb;
@@ -3632,7 +3650,7 @@ out_not_finished:
 }
 
 /**
- * __lpfc_sli_ringtx_put: Add an iocb to the txq.
+ * __lpfc_sli_ringtx_put - Add an iocb to the txq
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @piocb: Pointer to address of newly added command iocb.
@@ -3651,7 +3669,7 @@ __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 }
 
 /**
- * lpfc_sli_next_iocb: Get the next iocb in the txq.
+ * lpfc_sli_next_iocb - Get the next iocb in the txq
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @piocb: Pointer to address of newly added command iocb.
@@ -3683,7 +3701,7 @@ lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 }
 
 /**
- * __lpfc_sli_issue_iocb: Lockless version of lpfc_sli_issue_iocb.
+ * __lpfc_sli_issue_iocb - Lockless version of lpfc_sli_issue_iocb
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @piocb: Pointer to command iocb.
@@ -3729,6 +3747,10 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
         if (unlikely(pci_channel_offline(phba->pcidev)))
                 return IOCB_ERROR;
 
+        /* If HBA has a deferred error attention, fail the iocb. */
+        if (unlikely(phba->hba_flag & DEFER_ERATT))
+                return IOCB_ERROR;
+
         /*
          * We should never get an IOCB if we are in a < LINK_DOWN state
          */
@@ -3813,7 +3835,7 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 
 
 /**
- * lpfc_sli_issue_iocb: Wrapper function for __lpfc_sli_issue_iocb.
+ * lpfc_sli_issue_iocb - Wrapper function for __lpfc_sli_issue_iocb
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @piocb: Pointer to command iocb.
@@ -3840,7 +3862,7 @@ lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 }
 
 /**
- * lpfc_extra_ring_setup: Extra ring setup function.
+ * lpfc_extra_ring_setup - Extra ring setup function
  * @phba: Pointer to HBA context object.
  *
  * This function is called while driver attaches with the
@@ -3886,7 +3908,7 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sli_async_event_handler: ASYNC iocb handler function.
+ * lpfc_sli_async_event_handler - ASYNC iocb handler function
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @iocbq: Pointer to iocb object.
@@ -3907,6 +3929,7 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba,
         uint16_t temp;
         struct temp_event temp_event_data;
         struct Scsi_Host *shost;
+        uint32_t *iocb_w;
 
         icmd = &iocbq->iocb;
         evt_code = icmd->un.asyncstat.evt_code;
@@ -3914,13 +3937,23 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba,
 
         if ((evt_code != ASYNC_TEMP_WARN) &&
                 (evt_code != ASYNC_TEMP_SAFE)) {
+                iocb_w = (uint32_t *) icmd;
                 lpfc_printf_log(phba,
                         KERN_ERR,
                         LOG_SLI,
                         "0346 Ring %d handler: unexpected ASYNC_STATUS"
-                        " evt_code 0x%x\n",
+                        " evt_code 0x%x \n"
+                        "W0  0x%08x W1  0x%08x W2  0x%08x W3  0x%08x\n"
+                        "W4  0x%08x W5  0x%08x W6  0x%08x W7  0x%08x\n"
+                        "W8  0x%08x W9  0x%08x W10 0x%08x W11 0x%08x\n"
+                        "W12 0x%08x W13 0x%08x W14 0x%08x W15 0x%08x\n",
                         pring->ringno,
-                        icmd->un.asyncstat.evt_code);
+                        icmd->un.asyncstat.evt_code,
+                        iocb_w[0], iocb_w[1], iocb_w[2], iocb_w[3],
+                        iocb_w[4], iocb_w[5], iocb_w[6], iocb_w[7],
+                        iocb_w[8], iocb_w[9], iocb_w[10], iocb_w[11],
+                        iocb_w[12], iocb_w[13], iocb_w[14], iocb_w[15]);
+
                 return;
         }
         temp_event_data.data = (uint32_t)temp;
@@ -3954,7 +3987,7 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba,
 
 
 /**
- * lpfc_sli_setup: SLI ring setup function.
+ * lpfc_sli_setup - SLI ring setup function
  * @phba: Pointer to HBA context object.
  *
  * lpfc_sli_setup sets up rings of the SLI interface with
@@ -4076,7 +4109,7 @@ lpfc_sli_setup(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sli_queue_setup: Queue initialization function.
+ * lpfc_sli_queue_setup - Queue initialization function
  * @phba: Pointer to HBA context object.
  *
  * lpfc_sli_queue_setup sets up mailbox queues and iocb queues for each
@@ -4115,7 +4148,7 @@ lpfc_sli_queue_setup(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sli_host_down: Vport cleanup function.
+ * lpfc_sli_host_down - Vport cleanup function
  * @vport: Pointer to virtual port object.
  *
  * lpfc_sli_host_down is called to clean up the resources
@@ -4179,22 +4212,14 @@ lpfc_sli_host_down(struct lpfc_vport *vport)
 
         spin_unlock_irqrestore(&phba->hbalock, flags);
 
-        while (!list_empty(&completions)) {
-                list_remove_head(&completions, iocb, struct lpfc_iocbq, list);
-
-                if (!iocb->iocb_cmpl)
-                        lpfc_sli_release_iocbq(phba, iocb);
-                else {
-                        iocb->iocb.ulpStatus = IOSTAT_LOCAL_REJECT;
-                        iocb->iocb.un.ulpWord[4] = IOERR_SLI_DOWN;
-                        (iocb->iocb_cmpl) (phba, iocb, iocb);
-                }
-        }
+        /* Cancel all the IOCBs from the completions list */
+        lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+                              IOERR_SLI_DOWN);
         return 1;
 }
 
 /**
- * lpfc_sli_hba_down: Resource cleanup function for the HBA.
+ * lpfc_sli_hba_down - Resource cleanup function for the HBA
  * @phba: Pointer to HBA context object.
  *
  * This function cleans up all iocb, buffers, mailbox commands
@@ -4216,8 +4241,6 @@ lpfc_sli_hba_down(struct lpfc_hba *phba)
         struct lpfc_sli_ring *pring;
         struct lpfc_dmabuf *buf_ptr;
         LPFC_MBOXQ_t *pmb;
-        struct lpfc_iocbq *iocb;
-        IOCB_t *cmd = NULL;
         int i;
         unsigned long flags = 0;
 
@@ -4245,18 +4268,9 @@ lpfc_sli_hba_down(struct lpfc_hba *phba)
         }
         spin_unlock_irqrestore(&phba->hbalock, flags);
 
-        while (!list_empty(&completions)) {
-                list_remove_head(&completions, iocb, struct lpfc_iocbq, list);
-                cmd = &iocb->iocb;
-
-                if (!iocb->iocb_cmpl)
-                        lpfc_sli_release_iocbq(phba, iocb);
-                else {
-                        cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
-                        cmd->un.ulpWord[4] = IOERR_SLI_DOWN;
-                        (iocb->iocb_cmpl) (phba, iocb, iocb);
-                }
-        }
+        /* Cancel all the IOCBs from the completions list */
+        lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+                              IOERR_SLI_DOWN);
 
         spin_lock_irqsave(&phba->hbalock, flags);
         list_splice_init(&phba->elsbuf, &completions);
@@ -4299,7 +4313,7 @@ lpfc_sli_hba_down(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sli_pcimem_bcopy: SLI memory copy function.
+ * lpfc_sli_pcimem_bcopy - SLI memory copy function
  * @srcp: Source memory pointer.
  * @destp: Destination memory pointer.
  * @cnt: Number of words required to be copied.
@@ -4329,7 +4343,7 @@ lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt)
 
 
 /**
- * lpfc_sli_ringpostbuf_put: Function to add a buffer to postbufq.
+ * lpfc_sli_ringpostbuf_put - Function to add a buffer to postbufq
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @mp: Pointer to driver buffer object.
@@ -4352,8 +4366,7 @@ lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 }
 
 /**
- * lpfc_sli_get_buffer_tag: Tag allocation function for a buffer posted
- *          using CMD_QUE_XRI64_CX iocb.
+ * lpfc_sli_get_buffer_tag - allocates a tag for a CMD_QUE_XRI64_CX buffer
  * @phba: Pointer to HBA context object.
  *
  * When HBQ is enabled, buffers are searched based on tags. This function
@@ -4378,8 +4391,7 @@ lpfc_sli_get_buffer_tag(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sli_ring_taggedbuf_get: Search HBQ buffer associated with
- *              posted using CMD_QUE_XRI64_CX iocb.
+ * lpfc_sli_ring_taggedbuf_get - find HBQ buffer associated with given tag
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @tag: Buffer tag.
@@ -4422,8 +4434,7 @@ lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 }
 
 /**
- * lpfc_sli_ringpostbuf_get: SLI2 buffer search function for
- *      unsolicited ct and els events.
+ * lpfc_sli_ringpostbuf_get - search buffers for unsolicited CT and ELS events
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @phys: DMA address of the buffer.
@@ -4466,7 +4477,7 @@ lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 }
 
 /**
- * lpfc_sli_abort_els_cmpl: Completion handler for the els abort iocbs.
+ * lpfc_sli_abort_els_cmpl - Completion handler for the els abort iocbs
  * @phba: Pointer to HBA context object.
  * @cmdiocb: Pointer to driver command iocb object.
  * @rspiocb: Pointer to driver response iocb object.
@@ -4542,7 +4553,7 @@ lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 }
 
 /**
- * lpfc_ignore_els_cmpl: Completion handler for aborted ELS command.
+ * lpfc_ignore_els_cmpl - Completion handler for aborted ELS command
  * @phba: Pointer to HBA context object.
  * @cmdiocb: Pointer to driver command iocb object.
  * @rspiocb: Pointer to driver response iocb object.
@@ -4572,7 +4583,7 @@ lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 }
 
 /**
- * lpfc_sli_issue_abort_iotag: Abort function for a command iocb.
+ * lpfc_sli_issue_abort_iotag - Abort function for a command iocb
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @cmdiocb: Pointer to driver command iocb object.
@@ -4658,15 +4669,14 @@ abort_iotag_exit:
 }
 
 /**
- * lpfc_sli_validate_fcp_iocb: Filtering function, used to find commands
- *                    associated with a vport/SCSI target/lun.
+ * lpfc_sli_validate_fcp_iocb - find commands associated with a vport or LUN
  * @iocbq: Pointer to driver iocb object.
  * @vport: Pointer to driver virtual port object.
  * @tgt_id: SCSI ID of the target.
  * @lun_id: LUN ID of the scsi device.
  * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST
  *
- * This function acts as iocb filter for functions which abort or count
+ * This function acts as an iocb filter for functions which abort or count
  * all FCP iocbs pending on a lun/SCSI target/SCSI host. It will return
  * 0 if the filtering criteria is met for the given iocb and will return
  * 1 if the filtering criteria is not met.
@@ -4724,7 +4734,7 @@ lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport,
 }
 
 /**
- * lpfc_sli_sum_iocb: Function to count the number of FCP iocbs pending.
+ * lpfc_sli_sum_iocb - Function to count the number of FCP iocbs pending
  * @vport: Pointer to virtual port.
  * @tgt_id: SCSI ID of the target.
  * @lun_id: LUN ID of the scsi device.
@@ -4762,8 +4772,7 @@ lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id,
 }
 
 /**
- * lpfc_sli_abort_fcp_cmpl: Completion handler function for an aborted
- *       FCP iocb.
+ * lpfc_sli_abort_fcp_cmpl - Completion handler function for aborted FCP IOCBs
  * @phba: Pointer to HBA context object
  * @cmdiocb: Pointer to command iocb object.
  * @rspiocb: Pointer to response iocb object.
@@ -4781,8 +4790,7 @@ lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 }
 
 /**
- * lpfc_sli_abort_iocb: This function issue abort for all SCSI commands
- *          pending on a SCSI host(vport)/target/lun.
+ * lpfc_sli_abort_iocb - issue abort for all commands on a host/target/LUN
  * @vport: Pointer to virtual port.
  * @pring: Pointer to driver SLI ring object.
  * @tgt_id: SCSI ID of the target.
@@ -4854,8 +4862,7 @@ lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring,
 }
 
 /**
- * lpfc_sli_wake_iocb_wait: iocb completion handler for iocb issued using
- *                          lpfc_sli_issue_iocb_wait.
+ * lpfc_sli_wake_iocb_wait - lpfc_sli_issue_iocb_wait's completion handler
  * @phba: Pointer to HBA context object.
  * @cmdiocbq: Pointer to command iocb.
  * @rspiocbq: Pointer to response iocb.
@@ -4893,7 +4900,7 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba,
 }
 
 /**
- * lpfc_sli_issue_iocb_wait: Synchronous function to issue iocb commands.
+ * lpfc_sli_issue_iocb_wait - Synchronous function to issue iocb commands
  * @phba: Pointer to HBA context object..
  * @pring: Pointer to sli ring.
  * @piocb: Pointer to command iocb.
@@ -5000,7 +5007,7 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba,
 }
 
 /**
- * lpfc_sli_issue_mbox_wait: Synchronous function to issue mailbox.
+ * lpfc_sli_issue_mbox_wait - Synchronous function to issue mailbox
  * @phba: Pointer to HBA context object.
  * @pmboxq: Pointer to driver mailbox object.
  * @timeout: Timeout in number of seconds.
@@ -5070,7 +5077,7 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq,
 }
 
 /**
- * lpfc_sli_flush_mbox_queue: mailbox queue cleanup function.
+ * lpfc_sli_flush_mbox_queue - mailbox queue cleanup function
  * @phba: Pointer to HBA context.
  *
  * This function is called to cleanup any pending mailbox
@@ -5113,7 +5120,7 @@ lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba)
 }
 
 /**
- * lpfc_sli_check_eratt: check error attention events
+ * lpfc_sli_check_eratt - check error attention events
  * @phba: Pointer to HBA context.
  *
  * This function is called form timer soft interrupt context to check HBA's
@@ -5145,11 +5152,31 @@ lpfc_sli_check_eratt(struct lpfc_hba *phba)
                 return 0;
         }
 
+        /*
+         * If there is deferred error attention, do not check for error
+         * attention
+         */
+        if (unlikely(phba->hba_flag & DEFER_ERATT)) {
+                spin_unlock_irq(&phba->hbalock);
+                return 0;
+        }
+
         /* Read chip Host Attention (HA) register */
         ha_copy = readl(phba->HAregaddr);
         if (ha_copy & HA_ERATT) {
                 /* Read host status register to retrieve error event */
                 lpfc_sli_read_hs(phba);
+
+                /* Check if there is a deferred error condition is active */
+                if ((HS_FFER1 & phba->work_hs) &&
+                        ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 |
+                        HS_FFER6 | HS_FFER7) & phba->work_hs)) {
+                        phba->hba_flag |= DEFER_ERATT;
+                        /* Clear all interrupt enable conditions */
+                        writel(0, phba->HCregaddr);
+                        readl(phba->HCregaddr);
+                }
+
                 /* Set the driver HA work bitmap */
                 phba->work_ha |= HA_ERATT;
                 /* Indicate polling handles this ERATT */
@@ -5162,7 +5189,7 @@ lpfc_sli_check_eratt(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sp_intr_handler: The slow-path interrupt handler of lpfc driver.
+ * lpfc_sp_intr_handler - The slow-path interrupt handler of lpfc driver
  * @irq: Interrupt number.
  * @dev_id: The device context pointer.
  *
@@ -5238,6 +5265,16 @@ lpfc_sp_intr_handler(int irq, void *dev_id)
                                 /* Indicate interrupt handler handles ERATT */
                                 phba->hba_flag |= HBA_ERATT_HANDLED;
                 }
+
+                /*
+                 * If there is deferred error attention, do not check for any
+                 * interrupt.
+                 */
+                if (unlikely(phba->hba_flag & DEFER_ERATT)) {
+                        spin_unlock_irq(&phba->hbalock);
+                        return IRQ_NONE;
+                }
+
                 /* Clear up only attention source related to slow-path */
                 writel((ha_copy & (HA_MBATT | HA_R2_CLR_MSK)),
                         phba->HAregaddr);
@@ -5309,8 +5346,22 @@ lpfc_sp_intr_handler(int irq, void *dev_id)
                         }
                 }
                 spin_lock_irqsave(&phba->hbalock, iflag);
-                if (work_ha_copy & HA_ERATT)
+                if (work_ha_copy & HA_ERATT) {
                         lpfc_sli_read_hs(phba);
+                        /*
+                         * Check if there is a deferred error condition
+                         * is active
+                         */
+                        if ((HS_FFER1 & phba->work_hs) &&
+                                ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 |
+                                HS_FFER6 | HS_FFER7) & phba->work_hs)) {
+                                phba->hba_flag |= DEFER_ERATT;
+                                /* Clear all interrupt enable conditions */
+                                writel(0, phba->HCregaddr);
+                                readl(phba->HCregaddr);
+                        }
+                }
+
                 if ((work_ha_copy & HA_MBATT) && (phba->sli.mbox_active)) {
                         pmb = phba->sli.mbox_active;
                         pmbox = &pmb->mb;
@@ -5423,7 +5474,7 @@ send_current_mbox:
 } /* lpfc_sp_intr_handler */
 
 /**
- * lpfc_fp_intr_handler: The fast-path interrupt handler of lpfc driver.
+ * lpfc_fp_intr_handler - The fast-path interrupt handler of lpfc driver
  * @irq: Interrupt number.
  * @dev_id: The device context pointer.
  *
@@ -5474,6 +5525,14 @@ lpfc_fp_intr_handler(int irq, void *dev_id)
                 ha_copy = readl(phba->HAregaddr);
                 /* Clear up only attention source related to fast-path */
                 spin_lock_irqsave(&phba->hbalock, iflag);
+                /*
+                 * If there is deferred error attention, do not check for
+                 * any interrupt.
+                 */
+                if (unlikely(phba->hba_flag & DEFER_ERATT)) {
+                        spin_unlock_irq(&phba->hbalock);
+                        return IRQ_NONE;
+                }
                 writel((ha_copy & (HA_R0_CLR_MSK | HA_R1_CLR_MSK)),
                         phba->HAregaddr);
                 readl(phba->HAregaddr); /* flush */
@@ -5510,7 +5569,7 @@ lpfc_fp_intr_handler(int irq, void *dev_id)
 }  /* lpfc_fp_intr_handler */
 
 /**
- * lpfc_intr_handler: The device-level interrupt handler of lpfc driver.
+ * lpfc_intr_handler - The device-level interrupt handler of lpfc driver
  * @irq: Interrupt number.
  * @dev_id: The device context pointer.
  *
@@ -5566,6 +5625,14 @@ lpfc_intr_handler(int irq, void *dev_id)
                         phba->hba_flag |= HBA_ERATT_HANDLED;
         }
 
+        /*
+         * If there is deferred error attention, do not check for any interrupt.
+         */
+        if (unlikely(phba->hba_flag & DEFER_ERATT)) {
+                spin_unlock_irq(&phba->hbalock);
+                return IRQ_NONE;
+        }
+
         /* Clear attention sources except link and error attentions */
         writel((phba->ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr);
         readl(phba->HAregaddr); /* flush */