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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 <feng.tian@intel.com>
Reviewed-by: Eric Jin <eric.jin@intel.com>




git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14681 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Feng Tian 2013-09-18 02:13:34 +00:00 committed by erictian
parent 80c83a6995
commit df202d72eb
1 changed files with 10 additions and 7 deletions
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17
MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
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@ -2,7 +2,7 @@
This file implements ATA_PASSTHRU_PROCTOCOL and EXT_SCSI_PASSTHRU_PROTOCOL interfaces This file implements ATA_PASSTHRU_PROCTOCOL and EXT_SCSI_PASSTHRU_PROTOCOL interfaces
for managed ATA controllers. 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 This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License 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 which accompanies this distribution. The full text of the license may be found at
@ -1265,6 +1265,15 @@ AtaPassThruPassThru (
return EFI_INVALID_PARAMETER; 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. // convert the transfer length from sector count to byte.
// //
@ -1281,12 +1290,6 @@ AtaPassThruPassThru (
Packet->OutTransferLength = Packet->OutTransferLength * 0x200; 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). // Check whether this device needs 48-bit addressing (ATAPI-6 ata device).
// Per ATA-6 spec, word83: bit15 is zero and bit14 is one. // Per ATA-6 spec, word83: bit15 is zero and bit14 is one.