tyler.durden
/
audk
mirror of https://github.com/acidanthera/audk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
audk/MdePkg/Library/UefiScsiLib/UefiScsiLib.c

765 lines
31 KiB
C
Raw Blame History

/** @file
UEFI SCSI Library implementation
Copyright (c) 2006 - 2008, 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>
//
// Max bytes needed to represent ID of a SCSI device
//
#define EFI_SCSI_TARGET_MAX_BYTES (0x10)
//
// bit5..7 are for Logical unit number
// 11100000b (0xe0)
//
#define EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK 0xe0
//
// Scsi Command Length six or ten
//
#define EFI_SCSI_OP_LENGTH_SIX 0x6
#define EFI_SCSI_OP_LENGTH_TEN 0xa
/**
Function test the ready status of the SCSI unit.
Submit SCSI test unit ready command with SCSI request packet specified by this scsi command, TimeOut
and SenseData, then get the status of the target Scsi unit.
If SenseDataLength is NULL, then ASSERT().
If HostAdapterStatus is NULL, then ASSERT().
If TargetStatus is NULL, then ASSERT().
@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[out] SenseDataLength The length of output sense data.
@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 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 VOID *SenseData,
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[EFI_SCSI_OP_LENGTH_SIX];
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, EFI_SCSI_OP_LENGTH_SIX);
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 & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);
CommandPacket.CdbLength = (UINT8) EFI_SCSI_OP_LENGTH_SIX;
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.
Submit SCSI inquiry command with the SCSI request packet specified by this SCSI command and input
parameters, then return the status of Scsi unit execution.
If SenseDataLength is NULL, then ASSERT().
If HostAdapterStatus is NULL, then ASSERT().
If TargetStatus is NULL, then ASSERT().
If InquiryDataLength is NULL, then ASSERT().
@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 The length of output sense data.
@param[out] HostAdapterStatus The status of Host Adapter.
@param[out] TargetStatus The status of the target.
@param[in, out] InquirydataBuffer 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 Command is executed 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 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 OUT 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[EFI_SCSI_OP_LENGTH_SIX];
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, EFI_SCSI_OP_LENGTH_SIX);
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 & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);
if (EnableVitalProductData) {
Cdb[1] |= 0x01;
}
if (*InquiryDataLength > 0xff) {
*InquiryDataLength = 0xff;
}
Cdb[4] = (UINT8) (*InquiryDataLength);
CommandPacket.CdbLength = (UINT8) EFI_SCSI_OP_LENGTH_SIX;
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.
Submit SCSI Mode Sense (10) command with the SCSI request packet specified by this SCSI command and
the input parameters, then return the status of Scsi unit execution.
If SenseDataLength is NULL, then ASSERT().
If HostAdapterStatus is NULL, then ASSERT().
If TargetStatus is NULL, then ASSERT().
If DataLength is NULL, then ASSERT().
@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 The length of output sense data.
@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 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[EFI_SCSI_OP_LENGTH_TEN];
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, EFI_SCSI_OP_LENGTH_TEN);
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;
//
// DBDField is in Cdb[1] bit3 of (bit7..0)
//
Cdb[1] = (UINT8) ((Lun & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK) + ((DBDField << 3) & 0x08));
//
// PageControl is in Cdb[2] bit7..6, PageCode is in Cdb[2] bit5..0
//
Cdb[2] = (UINT8) ((PageControl & 0xc0) | (PageCode & 0x3f));
Cdb[7] = (UINT8) (*DataLength >> 8);
Cdb[8] = (UINT8) (*DataLength);
CommandPacket.CdbLength = EFI_SCSI_OP_LENGTH_TEN;
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.
Submit SCSI request sense command with the SCSI requested packet specified by this
SCSI command, TimeOut and SenseData, and then return the status of scsi unit execution.
If SenseDataLength is NULL, then ASSERT().
If HostAdapterStatus is NULL, then ASSERT().
If TargetStatus is NULL, then ASSERT().
@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 The length of output sense data.
@param[out] HostAdapterStatus The status of Host Adapter.
@param[out] TargetStatus The status of the target.
@retval EFI_SUCCESS Command is executed successfully.
@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 SCSI Request Packet.
@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.
@retval EFI_INVALID_PARAMETER ScsiIo is NULL.
**/
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[EFI_SCSI_OP_LENGTH_SIX];
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, EFI_SCSI_OP_LENGTH_SIX);
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 & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);
Cdb[4] = (UINT8) (*SenseDataLength);
CommandPacket.CdbLength = (UINT8) EFI_SCSI_OP_LENGTH_SIX;
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.
Submit SCSI read capacity command with the SCSI request packet specified by this SCSI
command and the input parameters, and then return the status of Scsi unit execution.
If SenseDataLength is NULL, then ASSERT().
If HostAdapterStatus is NULL, then ASSERT().
If TargetStatus is NULL, then ASSERT().
If DataLength is NULL, then ASSERT().
@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 The length of output sense data.
@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 Command is executed successfully.
@retval EFI_WARN_BUFFER_TOO_SMALL The SCSI Request Packet was executed, but the entire DataBuffer could
not be transferred. The actual number of bytes transferred is returned in DataLength.
@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 SCSI Request Packet.
@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.
@retval EFI_INVALID_PARAMETER ScsiIo is NULL.
**/
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[EFI_SCSI_OP_LENGTH_TEN];
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, EFI_SCSI_OP_LENGTH_TEN);
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 & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);
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 = EFI_SCSI_OP_LENGTH_TEN;
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.
Submit SCSI read (10) command with the SCSI request packet specified by this SCSI command
and the input parameters, and then return the status of Scsi unit execution.
If SenseDataLength is NULL, then ASSERT().
If HostAdapterStatus is NULL, then ASSERT().
If TargetStatus is NULL, then ASSERT().
If DataLength is NULL, then ASSERT().
@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 The length of output sense data.
@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 Command is executed successfully.
@retval EFI_WARN_BUFFER_TOO_SMALL The SCSI Request Packet was executed, but the entire DataBuffer could
not be transferred. The actual number of bytes transferred is returned in DataLength.
@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 SCSI Request Packet.
@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.
@retval EFI_INVALID_PARAMETER ScsiIo is NULL.
**/
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[EFI_SCSI_OP_LENGTH_TEN];
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, EFI_SCSI_OP_LENGTH_TEN);
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 & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);
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 = EFI_SCSI_OP_LENGTH_TEN;
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.
Submit SCSI write (10) command with the SCSI request packet specified by this SCSI command and the
input parameters, and then return the status of Scsi unit execution.
If SenseDataLength is NULL, then ASSERT().
If HostAdapterStatus is NULL, then ASSERT().
If TargetStatus is NULL, then ASSERT().
If DataLength is NULL, then ASSERT().
@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 The length of output sense data.
@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 Command is executed successfully.
@retval EFI_WARN_BUFFER_TOO_SMALL The SCSI Request Packet was executed, but the entire DataBuffer could
not be transferred. The actual number of bytes transferred is returned in DataLength.
@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 SCSI Request Packet.
@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.
@retval EFI_INVALID_PARAMETER ScsiIo is NULL.
**/
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[EFI_SCSI_OP_LENGTH_TEN];
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, EFI_SCSI_OP_LENGTH_TEN);
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 & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);
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 = EFI_SCSI_OP_LENGTH_TEN;
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;
}
Reference in New Issue View Git Blame Copy Permalink