SCSI Bus driver that layers on every SCSI Pass Thru and\r
Extended SCSI Pass Thru protocol in the system.\r
\r
-Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2015, 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
\r
if (ScsiIoDevice->ExtScsiSupport) {\r
ExtRequestPacket = (EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *) Packet;\r
- Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r
- ScsiIoDevice->ExtScsiPassThru,\r
- Target,\r
- ScsiIoDevice->Lun,\r
- ExtRequestPacket,\r
- Event\r
- );\r
+\r
+ if (((ScsiIoDevice->ExtScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO) != 0) && (Event != NULL)) {\r
+ Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r
+ ScsiIoDevice->ExtScsiPassThru,\r
+ Target,\r
+ ScsiIoDevice->Lun,\r
+ ExtRequestPacket,\r
+ Event\r
+ );\r
+ } else {\r
+ //\r
+ // If there's no event or the SCSI Device doesn't support NON-BLOCKING,\r
+ // let the 'Event' parameter for PassThru() be NULL.\r
+ //\r
+ Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r
+ ScsiIoDevice->ExtScsiPassThru,\r
+ Target,\r
+ ScsiIoDevice->Lun,\r
+ ExtRequestPacket,\r
+ NULL\r
+ );\r
+ if (Event != NULL) {\r
+ //\r
+ // Signal Event to tell caller to pick up the SCSI IO Packet.\r
+ //\r
+ gBS->SignalEvent (Event);\r
+ }\r
+ }\r
} else {\r
\r
mWorkingBuffer = AllocatePool (sizeof(EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r
ScsiIoDevice->Pun.ScsiId.Scsi,\r
ScsiIoDevice->Lun,\r
mWorkingBuffer,\r
- Event\r
+ NULL\r
);\r
if (EFI_ERROR(Status)) {\r
FreePool(mWorkingBuffer);\r
// free mWorkingBuffer.\r
//\r
FreePool(mWorkingBuffer);\r
+\r
+ //\r
+ // Signal Event to tell caller to pick up the SCSI IO Packet.\r
+ //\r
+ if (Event != NULL) {\r
+ gBS->SignalEvent (Event);\r
+ }\r
}\r
}\r
return Status;\r