diff options
Diffstat (limited to 'EdkModulePkg/Library/EdkScsiLib/ScsiLib.c')
| -rw-r--r-- | EdkModulePkg/Library/EdkScsiLib/ScsiLib.c | 651 |
1 files changed, 651 insertions, 0 deletions
diff --git a/EdkModulePkg/Library/EdkScsiLib/ScsiLib.c b/EdkModulePkg/Library/EdkScsiLib/ScsiLib.c new file mode 100644 index 0000000..9a6eb67 --- /dev/null +++ b/EdkModulePkg/Library/EdkScsiLib/ScsiLib.c @@ -0,0 +1,651 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+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.
+
+Module Name:
+
+ ScsiLib.c
+
+Abstract:
+
+
+Revision History
+--*/
+
+
+#include <IndustryStandard/scsi.h>
+
+EFI_STATUS
+SubmitTestUnitReadyCommand (
+ IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
+ IN UINT64 Timeout,
+ OUT VOID *SenseData,
+ OUT UINT8 *SenseDataLength,
+ OUT UINT8 *HostAdapterStatus,
+ OUT UINT8 *TargetStatus
+ )
+/*++
+
+Routine Description:
+ Function tests the ready status of SCSI unit.
+
+Arguments:
+ ScsiIo - A pointer to SCSI IO protocol.
+ Timeout - The length of timeout period.
+ SenseData - A pointer to output sense data.
+ SenseDataLength - The length of output sense data.
+ HostAdapterStatus - The status of Host Adapter.
+ TargetStatus - The status of the target.
+
+Returns:
+
+ Returns:
+ EFI_SUCCESS - The status of the unit is tested successfully.
+ 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 InTransferLength.
+ EFI_NOT_READY - The SCSI Request Packet could not be sent because
+ there are too many SCSI Command Packets already
+ queued.
+ EFI_DEVICE_ERROR - A device error occurred while attempting to send
+ the SCSI Request Packet.
+ EFI_INVALID_PARAMETER - The contents of CommandPacket are invalid.
+ EFI_UNSUPPORTED - The command described by the SCSI Request Packet
+ is not supported by the SCSI initiator(i.e., SCSI
+ Host Controller).
+ EFI_TIMEOUT - A timeout occurred while waiting for the SCSI
+ Request Packet to execute.
+
+--*/
+{
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;
+ UINT64 Lun;
+ UINT8 *Target;
+ EFI_STATUS Status;
+ UINT8 Cdb[6];
+
+ ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET));
+ ZeroMem (Cdb, 6);
+
+ CommandPacket.Timeout = Timeout;
+ CommandPacket.InDataBuffer = NULL;
+ CommandPacket.SenseData = SenseData;
+ CommandPacket.InTransferLength= 0;
+ CommandPacket.Cdb = Cdb;
+ //
+ // Fill Cdb for Test Unit Ready Command
+ //
+ 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;
+}
+
+EFI_STATUS
+SubmitInquiryCommand (
+ 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
+ )
+/*++
+
+Routine Description:
+ Function to submit SCSI inquiry command.
+
+Arguments:
+ ScsiIo - A pointer to SCSI IO protocol.
+ Timeout - The length of timeout period.
+ SenseData - A pointer to output sense data.
+ SenseDataLength - The length of output sense data.
+ HostAdapterStatus - The status of Host Adapter.
+ TargetStatus - The status of the target.
+ InquiryDataBuffer - A pointer to inquiry data buffer.
+ InquiryDataLength - The length of inquiry data buffer.
+ EnableVitalProductData - Boolean to enable Vital Product Data.
+
+Returns:
+
+ Returns:
+ EFI_SUCCESS - The status of the unit is tested successfully.
+ 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 TransferLength.
+ EFI_NOT_READY - The SCSI Request Packet could not be sent because
+ there are too many SCSI Command Packets already
+ queued.
+ EFI_DEVICE_ERROR - A device error occurred while attempting to send
+ the SCSI Request Packet.
+ EFI_INVALID_PARAMETER - The contents of CommandPacket are invalid.
+ EFI_UNSUPPORTED - The command described by the SCSI Request Packet
+ is not supported by the SCSI initiator(i.e., SCSI
+ Host Controller).
+ EFI_TIMEOUT - A timeout occurred while waiting for the SCSI
+ Request Packet to execute.
+
+--*/
+{
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;
+ UINT64 Lun;
+ UINT8 *Target;
+ EFI_STATUS Status;
+ UINT8 Cdb[6];
+
+ 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;
+
+ 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;
+}
+
+EFI_STATUS
+SubmitModeSense10Command (
+ 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
+ )
+/*++
+
+Routine Description:
+ Function to submit SCSI mode sense 10 command.
+
+Arguments:
+ ScsiIo - A pointer to SCSI IO protocol.
+ Timeout - The length of timeout period.
+ SenseData - A pointer to output sense data.
+ SenseDataLength - The length of output sense data.
+ HostAdapterStatus - The status of Host Adapter.
+ TargetStatus - The status of the target.
+ DataBuffer - A pointer to input data buffer.
+ DataLength - The length of input data buffer.
+ DBDField - The DBD Field (Optional).
+ PageControl - Page Control.
+ PageCode - Page code.
+
+Returns:
+
+ Returns:
+ EFI_SUCCESS - The status of the unit is tested successfully.
+ 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 TransferLength.
+ EFI_NOT_READY - The SCSI Request Packet could not be sent because
+ there are too many SCSI Command Packets already
+ queued.
+ EFI_DEVICE_ERROR - A device error occurred while attempting to send
+ the SCSI Request Packet.
+ EFI_INVALID_PARAMETER - The contents of CommandPacket are invalid.
+ EFI_UNSUPPORTED - The command described by the SCSI Request Packet
+ is not supported by the SCSI initiator(i.e., SCSI
+ Host Controller).
+ EFI_TIMEOUT - A timeout occurred while waiting for the SCSI
+ Request Packet to execute.
+
+--*/
+{
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;
+ UINT64 Lun;
+ UINT8 *Target;
+ EFI_STATUS Status;
+ UINT8 Cdb[10];
+
+ 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
+ //
+ 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;
+}
+
+EFI_STATUS
+SubmitRequestSenseCommand (
+ IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
+ IN UINT64 Timeout,
+ IN VOID *SenseData,
+ IN OUT UINT8 *SenseDataLength,
+ OUT UINT8 *HostAdapterStatus,
+ OUT UINT8 *TargetStatus
+ )
+/*++
+
+Routine Description:
+ Function to submit SCSI request sense command.
+
+Arguments:
+ ScsiIo - A pointer to SCSI IO protocol.
+ Timeout - The length of timeout period.
+ SenseData - A pointer to output sense data.
+ SenseDataLength - The length of output sense data.
+ HostAdapterStatus - The status of Host Adapter.
+ TargetStatus - The status of the target.
+
+Returns:
+
+ Returns:
+ EFI_SUCCESS - The status of the unit is tested successfully.
+ 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 TransferLength.
+ EFI_NOT_READY - The SCSI Request Packet could not be sent because
+ there are too many SCSI Command Packets already
+ queued.
+ EFI_DEVICE_ERROR - A device error occurred while attempting to send
+ the SCSI Request Packet.
+ EFI_INVALID_PARAMETER - The contents of CommandPacket are invalid.
+ EFI_UNSUPPORTED - The command described by the SCSI Request Packet
+ is not supported by the SCSI initiator(i.e., SCSI
+ Host Controller).
+ EFI_TIMEOUT - A timeout occurred while waiting for the SCSI
+ Request Packet to execute.
+
+--*/
+{
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;
+ UINT64 Lun;
+ UINT8 *Target;
+ EFI_STATUS Status;
+ UINT8 Cdb[6];
+
+ ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET));
+ ZeroMem (Cdb, 6);
+/*
+ if (*SenseDataLength > 0xff) {
+ *SenseDataLength = 0xff;
+ }
+*/
+ CommandPacket.Timeout = Timeout;
+ CommandPacket.InDataBuffer = SenseData;
+ CommandPacket.SenseData = NULL;
+ CommandPacket.InTransferLength= *SenseDataLength;
+ CommandPacket.Cdb = Cdb;
+ //
+ // Fill Cdb for Request Sense Command
+ //
+ 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;
+}
+
+EFI_STATUS
+SubmitReadCapacityCommand (
+ 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
+ )
+/*++
+
+Routine Description:
+ Function to submit read capacity command.
+
+Arguments:
+ ScsiIo - A pointer to SCSI IO protocol.
+ Timeout - The length of timeout period.
+ SenseData - A pointer to output sense data.
+ SenseDataLength - The length of output sense data.
+ HostAdapterStatus - The status of Host Adapter.
+ TargetStatus - The status of the target.
+ DataBuffer - A pointer to a data buffer.
+ DataLength - The length of data buffer.
+ PMI - Partial medium indicator.
+
+Returns:
+
+ Returns:
+ EFI_SUCCESS - The status of the unit is tested successfully.
+ 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 TransferLength.
+ EFI_NOT_READY - The SCSI Request Packet could not be sent because
+ there are too many SCSI Command Packets already
+ queued.
+ EFI_DEVICE_ERROR - A device error occurred while attempting to send
+ the SCSI Request Packet.
+ EFI_INVALID_PARAMETER - The contents of CommandPacket are invalid.
+ EFI_UNSUPPORTED - The command described by the SCSI Request Packet
+ is not supported by the SCSI initiator(i.e., SCSI
+ Host Controller).
+ EFI_TIMEOUT - A timeout occurred while waiting for the SCSI
+ Request Packet to execute.
+
+--*/
+{
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;
+ UINT64 Lun;
+ UINT8 *Target;
+ EFI_STATUS Status;
+ UINT8 Cdb[10];
+
+ 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
+ //
+ 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;
+}
+
+EFI_STATUS
+SubmitRead10Command (
+ 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
+ )
+/*++
+
+Routine Description:
+ Function to submit read 10 command.
+
+Arguments:
+ ScsiIo - A pointer to SCSI IO protocol.
+ Timeout - The length of timeout period.
+ SenseData - A pointer to output sense data.
+ SenseDataLength - The length of output sense data.
+ HostAdapterStatus - The status of Host Adapter.
+ TargetStatus - The status of the target.
+ DataBuffer - A pointer to a data buffer.
+ DataLength - The length of data buffer.
+ StartLba - The start address of LBA.
+ SectorSize - The sector size.
+
+Returns:
+
+ Returns:
+ EFI_SUCCESS - The status of the unit is tested successfully.
+ 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 TransferLength.
+ EFI_NOT_READY - The SCSI Request Packet could not be sent because
+ there are too many SCSI Command Packets already
+ queued.
+ EFI_DEVICE_ERROR - A device error occurred while attempting to send
+ the SCSI Request Packet.
+ EFI_INVALID_PARAMETER - The contents of CommandPacket are invalid.
+ EFI_UNSUPPORTED - The command described by the SCSI Request Packet
+ is not supported by the SCSI initiator(i.e., SCSI
+ Host Controller).
+ EFI_TIMEOUT - A timeout occurred while waiting for the SCSI
+ Request Packet to execute.
+
+--*/
+{
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;
+ UINT64 Lun;
+ UINT8 *Target;
+ EFI_STATUS Status;
+ UINT8 Cdb[10];
+
+ 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
+ //
+ 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;
+ Cdb[7] = (UINT8) (SectorSize >> 8);
+ Cdb[8] = (UINT8) SectorSize;
+
+ 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;
+}
+
+EFI_STATUS
+SubmitWrite10Command (
+ 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
+ )
+/*++
+
+Routine Description:
+ Function to submit SCSI write 10 command.
+
+Arguments:
+ ScsiIo - A pointer to SCSI IO protocol.
+ Timeout - The length of timeout period.
+ SenseData - A pointer to output sense data.
+ SenseDataLength - The length of output sense data.
+ HostAdapterStatus - The status of Host Adapter.
+ TargetStatus - The status of the target.
+ DataBuffer - A pointer to a data buffer.
+ DataLength - The length of data buffer.
+ StartLba - The start address of LBA.
+ SectorSize - The sector size.
+
+Returns:
+
+ Returns:
+ EFI_SUCCESS - The status of the unit is tested successfully.
+ 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 InTransferLength.
+ EFI_NOT_READY - The SCSI Request Packet could not be sent because
+ there are too many SCSI Command Packets already
+ queued.
+ EFI_DEVICE_ERROR - A device error occurred while attempting to send
+ the SCSI Request Packet.
+ EFI_INVALID_PARAMETER - The contents of CommandPacket are invalid.
+ EFI_UNSUPPORTED - The command described by the SCSI Request Packet
+ is not supported by the SCSI initiator(i.e., SCSI
+ Host Controller).
+ EFI_TIMEOUT - A timeout occurred while waiting for the SCSI
+ Request Packet to execute.
+
+--*/
+{
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;
+ UINT64 Lun;
+ UINT8 *Target;
+ EFI_STATUS Status;
+ UINT8 Cdb[10];
+
+ 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 Write (10) Command
+ //
+ 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.InTransferLength;
+
+ return Status;
+}
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