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MdeModulePkg/UsbMassStorage: Add 16 byte SCSI cmds support if the last LBA can not be presented by 4bytes width

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Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Li Elvin <elvin.li@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13311 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
erictian
2012-05-14 07:50:07 +00:00
parent 8c1babfd28
commit 99c1725ee6
4 changed files with 295 additions and 7 deletions
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14
MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassImpl.c
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@@ -171,7 +171,12 @@ UsbMassReadBlocks (
goto ON_EXIT;
}
Status = UsbBootReadBlocks (UsbMass, (UINT32) Lba, TotalBlock, Buffer);
if (UsbMass->Cdb16Byte) {
Status = UsbBootReadBlocks16 (UsbMass, Lba, TotalBlock, Buffer);
} else {
Status = UsbBootReadBlocks (UsbMass, (UINT32) Lba, TotalBlock, Buffer);
}
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "UsbMassReadBlocks: UsbBootReadBlocks (%r) -> Reset\n", Status));
UsbMassReset (This, TRUE);
@@ -286,7 +291,12 @@ UsbMassWriteBlocks (
// Try to write the data even the device is marked as ReadOnly,
// and clear the status should the write succeed.
//
Status = UsbBootWriteBlocks (UsbMass, (UINT32) Lba, TotalBlock, Buffer);
if (UsbMass->Cdb16Byte) {
Status = UsbBootWriteBlocks16 (UsbMass, Lba, TotalBlock, Buffer);
} else {
Status = UsbBootWriteBlocks (UsbMass, (UINT32) Lba, TotalBlock, Buffer);
}
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "UsbMassWriteBlocks: UsbBootWriteBlocks (%r) -> Reset\n", Status));
UsbMassReset (This, TRUE);