Revision: 14681
http://sourceforge.net/p/edk2/code/14681
Author: erictian
Date: 2013-09-18 02:13:34 +0000 (Wed, 18 Sep 2013)
Log Message:
-----------
MdeModulePkg/AtaAtapiPassThru: To follow UEFI 2.4, updating the implementation
of ATA_PASS_THRU.PassThru() to allow sending ATA cmds to ATAPI devices.
Signed-off-by: Feng Tian <[email protected]>
Reviewed-by: Eric Jin <[email protected]>
Modified Paths:
--------------
trunk/edk2/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
Modified: trunk/edk2/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
===================================================================
--- trunk/edk2/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
2013-09-17 05:11:30 UTC (rev 14680)
+++ trunk/edk2/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
2013-09-18 02:13:34 UTC (rev 14681)
@@ -2,7 +2,7 @@
This file implements ATA_PASSTHRU_PROCTOCOL and EXT_SCSI_PASSTHRU_PROTOCOL
interfaces
for managed ATA controllers.
- Copyright (c) 2010 - 2012, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2010 - 2013, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD
License
which accompanies this distribution. The full text of the license may be
found at
@@ -1265,6 +1265,15 @@
return EFI_INVALID_PARAMETER;
}
+ Node = SearchDeviceInfoList (Instance, Port, PortMultiplierPort,
EfiIdeHarddisk);
+
+ if (Node == NULL) {
+ Node = SearchDeviceInfoList(Instance, Port, PortMultiplierPort,
EfiIdeCdrom);
+ if (Node == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+
//
// convert the transfer length from sector count to byte.
//
@@ -1281,12 +1290,6 @@
Packet->OutTransferLength = Packet->OutTransferLength * 0x200;
}
- Node = SearchDeviceInfoList (Instance, Port, PortMultiplierPort,
EfiIdeHarddisk);
-
- if (Node == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
//
// Check whether this device needs 48-bit addressing (ATAPI-6 ata device).
// Per ATA-6 spec, word83: bit15 is zero and bit14 is one.
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