Re-execute the failed SCSI command if iSCSI driver could reinstates the session succe...

[mirror_edk2.git] / NetworkPkg / IScsiDxe / IScsiExtScsiPassThru.c

diff --git a/NetworkPkg/IScsiDxe/IScsiExtScsiPassThru.c b/NetworkPkg/IScsiDxe/IScsiExtScsiPassThru.c
index c4aed4c4ab5820d0fda796ff7802440b6b997361..c785853bd8f27583080c1a836256dfafcf2ad065 100644 (file)
--- a/NetworkPkg/IScsiDxe/IScsiExtScsiPassThru.c
+++ b/NetworkPkg/IScsiDxe/IScsiExtScsiPassThru.c
@@ -1,7 +1,7 @@
 /** @file\r
   The implementation of EFI_EXT_SCSI_PASS_THRU_PROTOCOL.\r
 \r
-Copyright (c) 2004 - 2011, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>\r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -86,6 +86,9 @@ IScsiExtScsiPassThruFunction (
   IN EFI_EVENT                                                Event     OPTIONAL\r
   )\r
 {\r
+  EFI_STATUS         Status;\r
+  ISCSI_DRIVER_DATA  *Private;\r
+  \r
   if (Target[0] != 0) {\r
     return EFI_INVALID_PARAMETER;\r
   }\r
@@ -94,7 +97,20 @@ IScsiExtScsiPassThruFunction (
     return EFI_INVALID_PARAMETER;\r
   }\r
 \r
-  return IScsiExecuteScsiCommand (This, Target, Lun, Packet);\r
+  Status = IScsiExecuteScsiCommand (This, Target, Lun, Packet);\r
+  if ((Status != EFI_SUCCESS) && (Status != EFI_NOT_READY)) {\r
+    //\r
+    // Try to reinstate the session and re-execute the Scsi command.\r
+    //\r
+    Private = ISCSI_DRIVER_DATA_FROM_EXT_SCSI_PASS_THRU (This);\r
+    if (EFI_ERROR (IScsiSessionReinstatement (Private->Session))) {\r
+      return EFI_DEVICE_ERROR;\r
+    }\r
+\r
+    Status = IScsiExecuteScsiCommand (This, Target, Lun, Packet);\r
+  }\r
+\r
+  return Status;\r
 }\r
 \r
 \r