[SCSI] lpfc 8.1.12 : Rework offline path to solve HBA reset issues

Rework offline path to solve HBA reset issues

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 13 insertions, 7 deletions

diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 485a13fa527d..92c0c4b88953 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -185,29 +185,35 @@ lpfc_work_list_done(struct lpfc_hba * phba)
                                 *(int *)(evtp->evt_arg1)  = 0;
                         complete((struct completion *)(evtp->evt_arg2));
                         break;
-                case LPFC_EVT_OFFLINE:
+                case LPFC_EVT_OFFLINE_PREP:
                         if (phba->hba_state >= LPFC_LINK_DOWN)
-                                lpfc_offline(phba);
+                                lpfc_offline_prep(phba);
+                        *(int *)(evtp->evt_arg1) = 0;
+                        complete((struct completion *)(evtp->evt_arg2));
+                        break;
+                case LPFC_EVT_OFFLINE:
+                        lpfc_offline(phba);
                         lpfc_sli_brdrestart(phba);
                         *(int *)(evtp->evt_arg1) =
-                                lpfc_sli_brdready(phba,HS_FFRDY | HS_MBRDY);
+                                lpfc_sli_brdready(phba, HS_FFRDY | HS_MBRDY);
+                        lpfc_unblock_mgmt_io(phba);
                         complete((struct completion *)(evtp->evt_arg2));
                         break;
                 case LPFC_EVT_WARM_START:
-                        if (phba->hba_state >= LPFC_LINK_DOWN)
-                                lpfc_offline(phba);
+                        lpfc_offline(phba);
                         lpfc_reset_barrier(phba);
                         lpfc_sli_brdreset(phba);
                         lpfc_hba_down_post(phba);
                         *(int *)(evtp->evt_arg1) =
                                 lpfc_sli_brdready(phba, HS_MBRDY);
+                        lpfc_unblock_mgmt_io(phba);
                         complete((struct completion *)(evtp->evt_arg2));
                         break;
                 case LPFC_EVT_KILL:
-                        if (phba->hba_state >= LPFC_LINK_DOWN)
-                                lpfc_offline(phba);
+                        lpfc_offline(phba);
                         *(int *)(evtp->evt_arg1)
                                 = (phba->stopped) ? 0 : lpfc_sli_brdkill(phba);
+                        lpfc_unblock_mgmt_io(phba);
                         complete((struct completion *)(evtp->evt_arg2));
                         break;
                 }