/** @file | |
UEFI SCSI Library implementation | |
Copyright (c) 2006 - 2007, Intel Corporation.<BR> | |
All rights reserved. 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 | |
http://opensource.org/licenses/bsd-license.php | |
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
**/ | |
#include <Uefi.h> | |
#include <Library/DebugLib.h> | |
#include <Library/ScsiLib.h> | |
#include <Library/BaseMemoryLib.h> | |
#include <IndustryStandard/Scsi.h> | |
/** | |
Function test the ready status of the SCSI unit. | |
@param[in] ScsiIo A pointer to SCSI IO protocol. | |
@param[in] Timeout The length of timeout period. | |
@param[in out] SenseData A pointer to the sense data that | |
was generated by the execution of the SCSI Request Packet. | |
@param[in out] SenseDataLength On input, the length in bytes of the SenseData buffer. On | |
output, the number of bytes written to the SenseData buffer. | |
@param[out] HostAdapterStatus The status of Host Adapter. | |
@param[out] TargetStatus The status of the target. | |
@retval EFI_SUCCESS The status of the unit is tested successfully. | |
@retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, | |
but the entire DataBuffer could not be transferred. | |
The actual number of bytes transferred is returned | |
in InTransferLength. | |
@retval EFI_NOT_READY The SCSI Request Packet could not be sent because | |
there are too many SCSI Command Packets already | |
queued. | |
@retval EFI_DEVICE_ERROR A device error occurred while attempting to send | |
the SCSI Request Packet. | |
@retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid, or ScsiIo is NULL. | |
@retval EFI_UNSUPPORTED The command described by the SCSI Request Packet | |
is not supported by the SCSI initiator(i.e., SCSI | |
Host Controller). | |
@retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI | |
Request Packet to execute. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
ScsiTestUnitReadyCommand ( | |
IN EFI_SCSI_IO_PROTOCOL *ScsiIo, | |
IN UINT64 Timeout, | |
IN OUT VOID *SenseData, | |
IN OUT UINT8 *SenseDataLength, | |
OUT UINT8 *HostAdapterStatus, | |
OUT UINT8 *TargetStatus | |
) | |
{ | |
EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket; | |
UINT64 Lun; | |
UINT8 *Target; | |
UINT8 TargetArray[EFI_SCSI_TARGET_MAX_BYTES]; | |
EFI_STATUS Status; | |
UINT8 Cdb[6]; | |
ASSERT (SenseDataLength != NULL); | |
ASSERT (HostAdapterStatus != NULL); | |
ASSERT (TargetStatus != NULL); | |
if (ScsiIo == NULL) { | |
return EFI_INVALID_PARAMETER; | |
} | |
ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET)); | |
ZeroMem (Cdb, 6); | |
CommandPacket.Timeout = Timeout; | |
CommandPacket.InDataBuffer = NULL; | |
CommandPacket.InTransferLength= 0; | |
CommandPacket.OutDataBuffer = NULL; | |
CommandPacket.OutTransferLength= 0; | |
CommandPacket.SenseData = SenseData; | |
CommandPacket.Cdb = Cdb; | |
// | |
// Fill Cdb for Test Unit Ready Command | |
// | |
Target = &TargetArray[0]; | |
ScsiIo->GetDeviceLocation (ScsiIo, &Target, &Lun); | |
Cdb[0] = EFI_SCSI_OP_TEST_UNIT_READY; | |
Cdb[1] = (UINT8) (Lun & 0xe0); | |
CommandPacket.CdbLength = (UINT8) 6; | |
CommandPacket.SenseDataLength = *SenseDataLength; | |
Status = ScsiIo->ExecuteScsiCommand (ScsiIo, &CommandPacket, NULL); | |
*HostAdapterStatus = CommandPacket.HostAdapterStatus; | |
*TargetStatus = CommandPacket.TargetStatus; | |
*SenseDataLength = CommandPacket.SenseDataLength; | |
return Status; | |
} | |
/** | |
Function to submit SCSI inquiry command. | |
@param[in] ScsiIo SCSI IO Protocol to use | |
@param[in] Timeout The length of timeout period. | |
@param[in] SenseData A pointer to output sense data. | |
@param[in out] SenseDataLength On input, the length in bytes of the SenseData buffer. On | |
output, the number of bytes written to the SenseData buffer. | |
@param[out] HostAdapterStatus The status of Host Adapter. | |
@param[out] TargetStatus The status of the target. | |
@param[in] InquirydDtaBuffer A pointer to inquiry data buffer. | |
@param[in out] InquiryDataLength The length of inquiry data buffer. | |
@param[in] EnableVitalProductData Boolean to enable Vital Product Data. | |
@retval EFI_SUCCESS The status of the unit is tested successfully. | |
@retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, | |
but the entire DataBuffer could not be transferred. | |
The actual number of bytes transferred is returned | |
in TransferLength. | |
@retval EFI_NOT_READY The SCSI Request Packet could not be sent because | |
there are too many SCSI Command Packets already | |
queued. | |
@retval EFI_DEVICE_ERROR A device error occurred while attempting to send | |
the SCSI Request Packet. | |
@retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid, or ScsiIo is NULL. | |
@retval EFI_UNSUPPORTED The command described by the SCSI Request Packet | |
is not supported by the SCSI initiator(i.e., SCSI | |
Host Controller). | |
@retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI | |
Request Packet to execute. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
ScsiInquiryCommand ( | |
IN EFI_SCSI_IO_PROTOCOL *ScsiIo, | |
IN UINT64 Timeout, | |
IN VOID *SenseData, | |
IN OUT UINT8 *SenseDataLength, | |
OUT UINT8 *HostAdapterStatus, | |
OUT UINT8 *TargetStatus, | |
IN VOID *InquiryDataBuffer, | |
IN OUT UINT32 *InquiryDataLength, | |
IN BOOLEAN EnableVitalProductData | |
) | |
{ | |
EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket; | |
UINT64 Lun; | |
UINT8 *Target; | |
UINT8 TargetArray[EFI_SCSI_TARGET_MAX_BYTES]; | |
EFI_STATUS Status; | |
UINT8 Cdb[6]; | |
ASSERT (SenseDataLength != NULL); | |
ASSERT (HostAdapterStatus != NULL); | |
ASSERT (TargetStatus != NULL); | |
ASSERT (InquiryDataLength != NULL); | |
if (ScsiIo == NULL) { | |
return EFI_INVALID_PARAMETER; | |
} | |
ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET)); | |
ZeroMem (Cdb, 6); | |
CommandPacket.Timeout = Timeout; | |
CommandPacket.InDataBuffer = InquiryDataBuffer; | |
CommandPacket.InTransferLength= *InquiryDataLength; | |
CommandPacket.SenseData = SenseData; | |
CommandPacket.SenseDataLength = *SenseDataLength; | |
CommandPacket.Cdb = Cdb; | |
Target = &TargetArray[0]; | |
ScsiIo->GetDeviceLocation (ScsiIo, &Target, &Lun); | |
Cdb[0] = EFI_SCSI_OP_INQUIRY; | |
Cdb[1] = (UINT8) (Lun & 0xe0); | |
if (EnableVitalProductData) { | |
Cdb[1] |= 0x01; | |
} | |
if (*InquiryDataLength > 0xff) { | |
*InquiryDataLength = 0xff; | |
} | |
Cdb[4] = (UINT8) (*InquiryDataLength); | |
CommandPacket.CdbLength = (UINT8) 6; | |
CommandPacket.DataDirection = EFI_SCSI_DATA_IN; | |
Status = ScsiIo->ExecuteScsiCommand (ScsiIo, &CommandPacket, NULL); | |
*HostAdapterStatus = CommandPacket.HostAdapterStatus; | |
*TargetStatus = CommandPacket.TargetStatus; | |
*SenseDataLength = CommandPacket.SenseDataLength; | |
*InquiryDataLength = CommandPacket.InTransferLength; | |
return Status; | |
} | |
/** | |
Function to submit SCSI mode sense 10 command. | |
@param[in] ScsiIo A pointer to SCSI IO protocol. | |
@param[in] Timeout The length of timeout period. | |
@param[in] SenseData A pointer to output sense data. | |
@param[in out] SenseDataLength On input, the length in bytes of the SenseData buffer. On | |
output, the number of bytes written to the SenseData buffer. | |
@param[out] HostAdapterStatus The status of Host Adapter. | |
@param[out] TargetStatus The status of the target. | |
@param[in] DataBuffer A pointer to input data buffer. | |
@param[in out] DataLength The length of input data buffer. | |
@param[in] DBDField The DBD Field (Optional). | |
@param[in] PageControl Page Control. | |
@param[in] PageCode Page code. | |
@retval EFI_SUCCESS The status of the unit is tested successfully. | |
@retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, | |
but the entire DataBuffer could not be transferred. | |
The actual number of bytes transferred is returned | |
in TransferLength. | |
@retval EFI_NOT_READY The SCSI Request Packet could not be sent because | |
there are too many SCSI Command Packets already | |
queued. | |
@retval EFI_DEVICE_ERROR A device error occurred while attempting to send | |
the SCSI Request Packet. | |
@retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid, or ScsiIo is NULL. | |
@retval EFI_UNSUPPORTED The command described by the SCSI Request Packet | |
is not supported by the SCSI initiator(i.e., SCSI | |
Host Controller). | |
@retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI | |
Request Packet to execute. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
ScsiModeSense10Command ( | |
IN EFI_SCSI_IO_PROTOCOL *ScsiIo, | |
IN UINT64 Timeout, | |
IN VOID *SenseData, | |
IN OUT UINT8 *SenseDataLength, | |
OUT UINT8 *HostAdapterStatus, | |
OUT UINT8 *TargetStatus, | |
IN VOID *DataBuffer, | |
IN OUT UINT32 *DataLength, | |
IN UINT8 DBDField, OPTIONAL | |
IN UINT8 PageControl, | |
IN UINT8 PageCode | |
) | |
{ | |
EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket; | |
UINT64 Lun; | |
UINT8 *Target; | |
UINT8 TargetArray[EFI_SCSI_TARGET_MAX_BYTES]; | |
EFI_STATUS Status; | |
UINT8 Cdb[10]; | |
ASSERT (SenseDataLength != NULL); | |
ASSERT (HostAdapterStatus != NULL); | |
ASSERT (TargetStatus != NULL); | |
ASSERT (DataLength != NULL); | |
if (ScsiIo == NULL) { | |
return EFI_INVALID_PARAMETER; | |
} | |
ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET)); | |
ZeroMem (Cdb, 10); | |
CommandPacket.Timeout = Timeout; | |
CommandPacket.InDataBuffer = DataBuffer; | |
CommandPacket.SenseData = SenseData; | |
CommandPacket.InTransferLength= *DataLength; | |
CommandPacket.Cdb = Cdb; | |
// | |
// Fill Cdb for Mode Sense (10) Command | |
// | |
Target = &TargetArray[0]; | |
ScsiIo->GetDeviceLocation (ScsiIo, &Target, &Lun); | |
Cdb[0] = EFI_SCSI_OP_MODE_SEN10; | |
Cdb[1] = (UINT8) ((Lun & 0xe0) + ((DBDField << 3) & 0x08)); | |
Cdb[2] = (UINT8) ((PageControl & 0xc0) | (PageCode & 0x3f)); | |
Cdb[7] = (UINT8) (*DataLength >> 8); | |
Cdb[8] = (UINT8) (*DataLength); | |
CommandPacket.CdbLength = 10; | |
CommandPacket.DataDirection = EFI_SCSI_DATA_IN; | |
CommandPacket.SenseDataLength = *SenseDataLength; | |
Status = ScsiIo->ExecuteScsiCommand (ScsiIo, &CommandPacket, NULL); | |
*HostAdapterStatus = CommandPacket.HostAdapterStatus; | |
*TargetStatus = CommandPacket.TargetStatus; | |
*SenseDataLength = CommandPacket.SenseDataLength; | |
*DataLength = CommandPacket.InTransferLength; | |
return Status; | |
} | |
/** | |
Function to submit SCSI request sense command. | |
@param[in] ScsiIo A pointer to SCSI IO protocol. | |
@param[in] Timeout The length of timeout period. | |
@param[in] SenseData A pointer to output sense data. | |
@param[in out] SenseDataLength On input, the length in bytes of the SenseData buffer. On | |
output, the number of bytes written to the SenseData buffer. | |
@param[out] HostAdapterStatus The status of Host Adapter. | |
@param[out] TargetStatus The status of the target. | |
@retval EFI_SUCCESS Valid data returned | |
@retval EFI_SUCCESS The status of the unit is tested successfully. | |
@retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, | |
but the entire DataBuffer could not be transferred. | |
The actual number of bytes transferred is returned | |
in TransferLength. | |
@retval EFI_NOT_READY The SCSI Request Packet could not be sent because | |
there are too many SCSI Command Packets already | |
queued. | |
@retval EFI_DEVICE_ERROR A device error occurred while attempting to send | |
the SCSI Request Packet. | |
@retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid, or ScsiIo is NULL. | |
@retval EFI_UNSUPPORTED The command described by the SCSI Request Packet | |
is not supported by the SCSI initiator(i.e., SCSI | |
Host Controller). | |
@retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI | |
Request Packet to execute. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
ScsiRequestSenseCommand ( | |
IN EFI_SCSI_IO_PROTOCOL *ScsiIo, | |
IN UINT64 Timeout, | |
IN VOID *SenseData, | |
IN OUT UINT8 *SenseDataLength, | |
OUT UINT8 *HostAdapterStatus, | |
OUT UINT8 *TargetStatus | |
) | |
{ | |
EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket; | |
UINT64 Lun; | |
UINT8 *Target; | |
UINT8 TargetArray[EFI_SCSI_TARGET_MAX_BYTES]; | |
EFI_STATUS Status; | |
UINT8 Cdb[6]; | |
ASSERT (SenseDataLength != NULL); | |
ASSERT (HostAdapterStatus != NULL); | |
ASSERT (TargetStatus != NULL); | |
if (ScsiIo == NULL) { | |
return EFI_INVALID_PARAMETER; | |
} | |
ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET)); | |
ZeroMem (Cdb, 6); | |
CommandPacket.Timeout = Timeout; | |
CommandPacket.InDataBuffer = SenseData; | |
CommandPacket.SenseData = NULL; | |
CommandPacket.InTransferLength= *SenseDataLength; | |
CommandPacket.Cdb = Cdb; | |
// | |
// Fill Cdb for Request Sense Command | |
// | |
Target = &TargetArray[0]; | |
ScsiIo->GetDeviceLocation (ScsiIo, &Target, &Lun); | |
Cdb[0] = EFI_SCSI_OP_REQUEST_SENSE; | |
Cdb[1] = (UINT8) (Lun & 0xe0); | |
Cdb[4] = (UINT8) (*SenseDataLength); | |
CommandPacket.CdbLength = (UINT8) 6; | |
CommandPacket.DataDirection = EFI_SCSI_DATA_IN; | |
CommandPacket.SenseDataLength = 0; | |
Status = ScsiIo->ExecuteScsiCommand (ScsiIo, &CommandPacket, NULL); | |
*HostAdapterStatus = CommandPacket.HostAdapterStatus; | |
*TargetStatus = CommandPacket.TargetStatus; | |
*SenseDataLength = (UINT8) CommandPacket.InTransferLength; | |
return Status; | |
} | |
/** | |
Function to submit read capacity command. | |
@param[in] ScsiIo A pointer to SCSI IO protocol. | |
@param[in] Timeout The length of timeout period. | |
@param[in] SenseData A pointer to output sense data. | |
@param[in out] SenseDataLength On input, the length in bytes of the SenseData buffer. On | |
output, the number of bytes written to the SenseData buffer. | |
@param[out] HostAdapterStatus The status of Host Adapter. | |
@param[out] TargetStatus The status of the target. | |
@param[out] DataBuffer A pointer to a data buffer. | |
@param[in out] DataLength The length of data buffer. | |
@param[in] PMI Partial medium indicator. | |
@retval EFI_SUCCESS The status of the unit is tested successfully. | |
@retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, | |
but the entire DataBuffer could not be transferred. | |
The actual number of bytes transferred is returned | |
in TransferLength. | |
@retval EFI_NOT_READY The SCSI Request Packet could not be sent because | |
there are too many SCSI Command Packets already | |
queued. | |
@retval EFI_DEVICE_ERROR A device error occurred while attempting to send | |
the SCSI Request Packet. | |
@retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid, or ScsiIo is NULL. | |
@retval EFI_UNSUPPORTED The command described by the SCSI Request Packet | |
is not supported by the SCSI initiator(i.e., SCSI | |
Host Controller). | |
@retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI | |
Request Packet to execute. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
ScsiReadCapacityCommand ( | |
IN EFI_SCSI_IO_PROTOCOL *ScsiIo, | |
IN UINT64 Timeout, | |
IN VOID *SenseData, | |
IN OUT UINT8 *SenseDataLength, | |
OUT UINT8 *HostAdapterStatus, | |
OUT UINT8 *TargetStatus, | |
OUT VOID *DataBuffer, | |
IN OUT UINT32 *DataLength, | |
IN BOOLEAN PMI | |
) | |
{ | |
EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket; | |
UINT64 Lun; | |
UINT8 *Target; | |
UINT8 TargetArray[EFI_SCSI_TARGET_MAX_BYTES]; | |
EFI_STATUS Status; | |
UINT8 Cdb[10]; | |
ASSERT (SenseDataLength != NULL); | |
ASSERT (HostAdapterStatus != NULL); | |
ASSERT (TargetStatus != NULL); | |
ASSERT (DataLength != NULL); | |
if (ScsiIo == NULL) { | |
return EFI_INVALID_PARAMETER; | |
} | |
ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET)); | |
ZeroMem (Cdb, 10); | |
CommandPacket.Timeout = Timeout; | |
CommandPacket.InDataBuffer = DataBuffer; | |
CommandPacket.SenseData = SenseData; | |
CommandPacket.InTransferLength= *DataLength; | |
CommandPacket.Cdb = Cdb; | |
// | |
// Fill Cdb for Read Capacity Command | |
// | |
Target = &TargetArray[0]; | |
ScsiIo->GetDeviceLocation (ScsiIo, &Target, &Lun); | |
Cdb[0] = EFI_SCSI_OP_READ_CAPACITY; | |
Cdb[1] = (UINT8) (Lun & 0xe0); | |
if (!PMI) { | |
// | |
// Partial medium indicator,if PMI is FALSE, the Cdb.2 ~ Cdb.5 MUST BE ZERO. | |
// | |
ZeroMem ((Cdb + 2), 4); | |
} else { | |
Cdb[8] |= 0x01; | |
} | |
CommandPacket.CdbLength = 10; | |
CommandPacket.DataDirection = EFI_SCSI_DATA_IN; | |
CommandPacket.SenseDataLength = *SenseDataLength; | |
Status = ScsiIo->ExecuteScsiCommand (ScsiIo, &CommandPacket, NULL); | |
*HostAdapterStatus = CommandPacket.HostAdapterStatus; | |
*TargetStatus = CommandPacket.TargetStatus; | |
*SenseDataLength = CommandPacket.SenseDataLength; | |
*DataLength = CommandPacket.InTransferLength; | |
return Status; | |
} | |
/** | |
Function to submit read 10 command. | |
@param[in] ScsiIo A pointer to SCSI IO protocol. | |
@param[in] Timeout The length of timeout period. | |
@param[in] SenseData A pointer to output sense data. | |
@param[in out] SenseDataLength On input, the length in bytes of the SenseData buffer. On | |
output, the number of bytes written to the SenseData buffer. | |
@param[out] HostAdapterStatus The status of Host Adapter. | |
@param[out] TargetStatus The status of the target. | |
@param[out] DataBuffer Read 10 command data. | |
@param[in out] DataLength The length of data buffer. | |
@param[in] StartLba The start address of LBA. | |
@param[in] SectorSize The sector size. | |
@retval EFI_SUCCESS The status of the unit is tested successfully. | |
@retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, | |
but the entire DataBuffer could not be transferred. | |
The actual number of bytes transferred is returned | |
in TransferLength. | |
@retval EFI_NOT_READY The SCSI Request Packet could not be sent because | |
there are too many SCSI Command Packets already | |
queued. | |
@retval EFI_DEVICE_ERROR A device error occurred while attempting to send | |
the SCSI Request Packet. | |
@retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid, or ScsiIo is NULL. | |
@retval EFI_UNSUPPORTED The command described by the SCSI Request Packet | |
is not supported by the SCSI initiator(i.e., SCSI | |
Host Controller). | |
@retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI | |
Request Packet to execute. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
ScsiRead10Command ( | |
IN EFI_SCSI_IO_PROTOCOL *ScsiIo, | |
IN UINT64 Timeout, | |
IN VOID *SenseData, | |
IN OUT UINT8 *SenseDataLength, | |
OUT UINT8 *HostAdapterStatus, | |
OUT UINT8 *TargetStatus, | |
OUT VOID *DataBuffer, | |
IN OUT UINT32 *DataLength, | |
IN UINT32 StartLba, | |
IN UINT32 SectorSize | |
) | |
{ | |
EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket; | |
UINT64 Lun; | |
UINT8 *Target; | |
UINT8 TargetArray[EFI_SCSI_TARGET_MAX_BYTES]; | |
EFI_STATUS Status; | |
UINT8 Cdb[10]; | |
ASSERT (SenseDataLength != NULL); | |
ASSERT (HostAdapterStatus != NULL); | |
ASSERT (TargetStatus != NULL); | |
ASSERT (DataLength != NULL); | |
if (ScsiIo == NULL) { | |
return EFI_INVALID_PARAMETER; | |
} | |
ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET)); | |
ZeroMem (Cdb, 10); | |
CommandPacket.Timeout = Timeout; | |
CommandPacket.InDataBuffer = DataBuffer; | |
CommandPacket.SenseData = SenseData; | |
CommandPacket.InTransferLength= *DataLength; | |
CommandPacket.Cdb = Cdb; | |
// | |
// Fill Cdb for Read (10) Command | |
// | |
Target = &TargetArray[0]; | |
ScsiIo->GetDeviceLocation (ScsiIo, &Target, &Lun); | |
Cdb[0] = EFI_SCSI_OP_READ10; | |
Cdb[1] = (UINT8) (Lun & 0xe0); | |
Cdb[2] = (UINT8) (StartLba >> 24); | |
Cdb[3] = (UINT8) (StartLba >> 16); | |
Cdb[4] = (UINT8) (StartLba >> 8); | |
Cdb[5] = (UINT8) (StartLba & 0xff); | |
Cdb[7] = (UINT8) (SectorSize >> 8); | |
Cdb[8] = (UINT8) (SectorSize & 0xff); | |
CommandPacket.CdbLength = 10; | |
CommandPacket.DataDirection = EFI_SCSI_DATA_IN; | |
CommandPacket.SenseDataLength = *SenseDataLength; | |
Status = ScsiIo->ExecuteScsiCommand (ScsiIo, &CommandPacket, NULL); | |
*HostAdapterStatus = CommandPacket.HostAdapterStatus; | |
*TargetStatus = CommandPacket.TargetStatus; | |
*SenseDataLength = CommandPacket.SenseDataLength; | |
*DataLength = CommandPacket.InTransferLength; | |
return Status; | |
} | |
/** | |
Function to submit SCSI write 10 command. | |
@param[in] ScsiIo SCSI IO Protocol to use | |
@param[in] Timeout The length of timeout period. | |
@param[in] SenseData A pointer to output sense data. | |
@param[in out] SenseDataLength On input, the length in bytes of the SenseData buffer. On | |
output, the number of bytes written to the SenseData buffer. | |
@param[out] HostAdapterStatus The status of Host Adapter. | |
@param[out] TargetStatus The status of the target. | |
@param[out] DataBuffer A pointer to a data buffer. | |
@param[in out] DataLength The length of data buffer. | |
@param[in] StartLba The start address of LBA. | |
@param[in] SectorSize The sector size. | |
@retval EFI_SUCCESS The status of the unit is tested successfully. | |
@retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, | |
but the entire DataBuffer could not be transferred. | |
The actual number of bytes transferred is returned | |
in InTransferLength. | |
@retval EFI_NOT_READY The SCSI Request Packet could not be sent because | |
there are too many SCSI Command Packets already | |
queued. | |
@retval EFI_DEVICE_ERROR A device error occurred while attempting to send | |
the SCSI Request Packet. | |
@retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid, or ScsiIo is NULL. | |
@retval EFI_UNSUPPORTED The command described by the SCSI Request Packet | |
is not supported by the SCSI initiator(i.e., SCSI | |
Host Controller). | |
@retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI | |
Request Packet to execute. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
ScsiWrite10Command ( | |
IN EFI_SCSI_IO_PROTOCOL *ScsiIo, | |
IN UINT64 Timeout, | |
IN VOID *SenseData, | |
IN OUT UINT8 *SenseDataLength, | |
OUT UINT8 *HostAdapterStatus, | |
OUT UINT8 *TargetStatus, | |
OUT VOID *DataBuffer, | |
IN OUT UINT32 *DataLength, | |
IN UINT32 StartLba, | |
IN UINT32 SectorSize | |
) | |
{ | |
EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket; | |
UINT64 Lun; | |
UINT8 *Target; | |
UINT8 TargetArray[EFI_SCSI_TARGET_MAX_BYTES]; | |
EFI_STATUS Status; | |
UINT8 Cdb[10]; | |
ASSERT (SenseDataLength != NULL); | |
ASSERT (HostAdapterStatus != NULL); | |
ASSERT (TargetStatus != NULL); | |
ASSERT (DataLength != NULL); | |
if (ScsiIo == NULL) { | |
return EFI_INVALID_PARAMETER; | |
} | |
ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET)); | |
ZeroMem (Cdb, 10); | |
CommandPacket.Timeout = Timeout; | |
CommandPacket.OutDataBuffer = DataBuffer; | |
CommandPacket.SenseData = SenseData; | |
CommandPacket.OutTransferLength= *DataLength; | |
CommandPacket.Cdb = Cdb; | |
// | |
// Fill Cdb for Write (10) Command | |
// | |
Target = &TargetArray[0]; | |
ScsiIo->GetDeviceLocation (ScsiIo, &Target, &Lun); | |
Cdb[0] = EFI_SCSI_OP_WRITE10; | |
Cdb[1] = (UINT8) (Lun & 0xe0); | |
Cdb[2] = (UINT8) (StartLba >> 24); | |
Cdb[3] = (UINT8) (StartLba >> 16); | |
Cdb[4] = (UINT8) (StartLba >> 8); | |
Cdb[5] = (UINT8) StartLba; | |
Cdb[7] = (UINT8) (SectorSize >> 8); | |
Cdb[8] = (UINT8) SectorSize; | |
CommandPacket.CdbLength = 10; | |
CommandPacket.DataDirection = EFI_SCSI_DATA_OUT; | |
CommandPacket.SenseDataLength = *SenseDataLength; | |
Status = ScsiIo->ExecuteScsiCommand (ScsiIo, &CommandPacket, NULL); | |
*HostAdapterStatus = CommandPacket.HostAdapterStatus; | |
*TargetStatus = CommandPacket.TargetStatus; | |
*SenseDataLength = CommandPacket.SenseDataLength; | |
*DataLength = CommandPacket.OutTransferLength; | |
return Status; | |
} | |