[SCSI] lpfc 8.3.39: Fix driver issues with SCSI Host reset

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

3 files changed, 13 insertions, 3 deletions

diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 3b10aa5745b5..28e213b9dbba 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -674,6 +674,9 @@ lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
         int i;
         int rc;
 
+        if (phba->pport->fc_flag & FC_OFFLINE_MODE)
+                return 0;
+
         init_completion(&online_compl);
         rc = lpfc_workq_post_event(phba, &status, &online_compl,
                               LPFC_EVT_OFFLINE_PREP);
@@ -741,7 +744,8 @@ lpfc_selective_reset(struct lpfc_hba *phba)
         int status = 0;
         int rc;
 
-        if (!phba->cfg_enable_hba_reset)
+        if ((!phba->cfg_enable_hba_reset) ||
+            (phba->pport->fc_flag & FC_OFFLINE_MODE))
                 return -EACCES;
 
         status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
@@ -895,6 +899,7 @@ lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode)
                 pci_disable_sriov(pdev);
                 phba->cfg_sriov_nr_virtfn = 0;
         }
+
         status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
 
         if (status != 0)
diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
index 1dd2f6f0a127..42660c97119e 100644
--- a/drivers/scsi/lpfc/lpfc_hw4.h
+++ b/drivers/scsi/lpfc/lpfc_hw4.h
@@ -621,7 +621,7 @@ struct lpfc_register {
 #define lpfc_sliport_status_rdy_SHIFT   23
 #define lpfc_sliport_status_rdy_MASK    0x1
 #define lpfc_sliport_status_rdy_WORD    word0
-#define MAX_IF_TYPE_2_RESETS    1000
+#define MAX_IF_TYPE_2_RESETS            6
 
 #define LPFC_CTL_PORT_CTL_OFFSET        0x408
 #define lpfc_sliport_ctrl_end_SHIFT     30
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 1874b327494e..7bb89f49df9b 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -7817,8 +7817,13 @@ lpfc_pci_function_reset(struct lpfc_hba *phba)
 
 out:
         /* Catch the not-ready port failure after a port reset. */
-        if (num_resets >= MAX_IF_TYPE_2_RESETS)
+        if (num_resets >= MAX_IF_TYPE_2_RESETS) {
+                lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+                                "3317 HBA not functional: IP Reset Failed "
+                                "after (%d) retries, try: "
+                                "echo fw_reset > board_mode\n", num_resets);
                 rc = -ENODEV;
+        }
 
         return rc;
 }