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Add Read/Write (16) command to SCSI library. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10549 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
li-elvin 2010-05-28 06:57:15 +00:00
parent 4515103850
commit a24faca37a
3 changed files with 311 additions and 18 deletions
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4
MdePkg/Include/IndustryStandard/Scsi.h
View File

@ -1,7 +1,7 @@
/** @file /** @file
Support for SCSI-2 standard Support for SCSI-2 standard
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> Copyright (c) 2006 - 2010, 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
@ -48,6 +48,7 @@
#define EFI_SCSI_OP_MEDIA_REMOVAL 0x1e #define EFI_SCSI_OP_MEDIA_REMOVAL 0x1e
#define EFI_SCSI_OP_READ6 0x08 #define EFI_SCSI_OP_READ6 0x08
#define EFI_SCSI_OP_READ10 0x28 #define EFI_SCSI_OP_READ10 0x28
#define EFI_SCSI_OP_READ16 0x88
#define EFI_SCSI_OP_READ_CAPACITY 0x25 #define EFI_SCSI_OP_READ_CAPACITY 0x25
#define EFI_SCSI_OP_READ_CAPACITY16 0x9e #define EFI_SCSI_OP_READ_CAPACITY16 0x9e
#define EFI_SCSI_OP_READ_DEFECT 0x37 #define EFI_SCSI_OP_READ_DEFECT 0x37
@ -67,6 +68,7 @@
#define EFI_SCSI_OP_VERIFY 0x2f #define EFI_SCSI_OP_VERIFY 0x2f
#define EFI_SCSI_OP_WRITE6 0x0a #define EFI_SCSI_OP_WRITE6 0x0a
#define EFI_SCSI_OP_WRITE10 0x2a #define EFI_SCSI_OP_WRITE10 0x2a
#define EFI_SCSI_OP_WRITE16 0x8a
#define EFI_SCSI_OP_WRITE_VERIFY 0x2e #define EFI_SCSI_OP_WRITE_VERIFY 0x2e
#define EFI_SCSI_OP_WRITE_LONG 0x3f #define EFI_SCSI_OP_WRITE_LONG 0x3f
#define EFI_SCSI_OP_WRITE_SAME 0x41 #define EFI_SCSI_OP_WRITE_SAME 0x41

105
MdePkg/Include/Library/UefiScsiLib.h
View File

@ -5,7 +5,7 @@
for hard drive, CD and DVD devices that are the most common SCSI boot targets used by UEFI platforms. for hard drive, CD and DVD devices that are the most common SCSI boot targets used by UEFI platforms.
This library class depends on SCSI I/O Protocol defined in UEFI Specification and SCSI-2 industry standard. This library class depends on SCSI I/O Protocol defined in UEFI Specification and SCSI-2 industry standard.
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> Copyright (c) 2006 - 2010, 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
@ -531,5 +531,108 @@ ScsiWrite10Command (
IN UINT32 SectorSize IN UINT32 SectorSize
); );
/**
Execute Read(16) SCSI command on a specific SCSI target.
Executes the SCSI Read(16) command on the SCSI target specified by ScsiIo.
If Timeout is zero, then this function waits indefinitely for the command to complete.
If Timeout is greater than zero, then the command is executed and will timeout
after Timeout 100 ns units. The StartLba and SectorSize parameters are used to
construct the CDB for this SCSI command.
If ScsiIo is NULL, then ASSERT().
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, out] 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] DataBuffer Read 16 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_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 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.
**/
EFI_STATUS
EFIAPI
ScsiRead16Command (
IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
IN UINT64 Timeout,
IN OUT VOID *SenseData, OPTIONAL
IN OUT UINT8 *SenseDataLength,
OUT UINT8 *HostAdapterStatus,
OUT UINT8 *TargetStatus,
IN OUT VOID *DataBuffer, OPTIONAL
IN OUT UINT32 *DataLength,
IN UINT64 StartLba,
IN UINT32 SectorSize
);
/**
Execute Write(16) SCSI command on a specific SCSI target.
Executes the SCSI Write(16) command on the SCSI target specified by ScsiIo.
If Timeout is zero, then this function waits indefinitely for the command to complete.
If Timeout is greater than zero, then the command is executed and will timeout after
Timeout 100 ns units. The StartLba and SectorSize parameters are used to construct
the CDB for this SCSI command.
If ScsiIo is NULL, then ASSERT().
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, out] 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] 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_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 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.
**/
EFI_STATUS
EFIAPI
ScsiWrite16Command (
IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
IN UINT64 Timeout,
IN OUT VOID *SenseData, OPTIONAL
IN OUT UINT8 *SenseDataLength,
OUT UINT8 *HostAdapterStatus,
OUT UINT8 *TargetStatus,
IN OUT VOID *DataBuffer, OPTIONAL
IN OUT UINT32 *DataLength,
IN UINT64 StartLba,
IN UINT32 SectorSize
);
#endif #endif

220
MdePkg/Library/UefiScsiLib/UefiScsiLib.c
View File

@ -1,7 +1,7 @@
/** @file /** @file
UEFI SCSI Library implementation UEFI SCSI Library implementation
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> Copyright (c) 2006 - 2010, 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
@ -34,10 +34,11 @@
#define EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK 0xe0 #define EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK 0xe0
// //
// Scsi Command Length six or ten // Scsi Command Length
// //
#define EFI_SCSI_OP_LENGTH_SIX 0x6 #define EFI_SCSI_OP_LENGTH_SIX 0x6
#define EFI_SCSI_OP_LENGTH_TEN 0xa #define EFI_SCSI_OP_LENGTH_TEN 0xa
#define EFI_SCSI_OP_LENGTH_SIXTEEN 0x10
@ -820,12 +821,8 @@ ScsiRead10Command (
Cdb[0] = EFI_SCSI_OP_READ10; Cdb[0] = EFI_SCSI_OP_READ10;
Cdb[1] = (UINT8) (LShiftU64 (Lun, 5) & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK); Cdb[1] = (UINT8) (LShiftU64 (Lun, 5) & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);
Cdb[2] = (UINT8) (StartLba >> 24); WriteUnaligned32 ((UINT32 *)&Cdb[2], SwapBytes32 (StartLba));
Cdb[3] = (UINT8) (StartLba >> 16); WriteUnaligned16 ((UINT16 *)&Cdb[7], SwapBytes16 ((UINT16) SectorSize));
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.CdbLength = EFI_SCSI_OP_LENGTH_TEN;
CommandPacket.DataDirection = EFI_SCSI_DATA_IN; CommandPacket.DataDirection = EFI_SCSI_DATA_IN;
@ -922,12 +919,8 @@ ScsiWrite10Command (
Cdb[0] = EFI_SCSI_OP_WRITE10; Cdb[0] = EFI_SCSI_OP_WRITE10;
Cdb[1] = (UINT8) (LShiftU64 (Lun, 5) & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK); Cdb[1] = (UINT8) (LShiftU64 (Lun, 5) & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);
Cdb[2] = (UINT8) (StartLba >> 24); WriteUnaligned32 ((UINT32 *)&Cdb[2], SwapBytes32 (StartLba));
Cdb[3] = (UINT8) (StartLba >> 16); WriteUnaligned16 ((UINT16 *)&Cdb[7], SwapBytes16 ((UINT16) SectorSize));
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.CdbLength = EFI_SCSI_OP_LENGTH_TEN;
CommandPacket.DataDirection = EFI_SCSI_DATA_OUT; CommandPacket.DataDirection = EFI_SCSI_DATA_OUT;
@ -943,3 +936,198 @@ ScsiWrite10Command (
return Status; return Status;
} }
/**
Execute Read(16) SCSI command on a specific SCSI target.
Executes the SCSI Read(16) command on the SCSI target specified by ScsiIo.
If Timeout is zero, then this function waits indefinitely for the command to complete.
If Timeout is greater than zero, then the command is executed and will timeout
after Timeout 100 ns units. The StartLba and SectorSize parameters are used to
construct the CDB for this SCSI command.
If ScsiIo is NULL, then ASSERT().
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, out] 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] DataBuffer Read 16 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_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 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.
**/
EFI_STATUS
EFIAPI
ScsiRead16Command (
IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
IN UINT64 Timeout,
IN OUT VOID *SenseData, OPTIONAL
IN OUT UINT8 *SenseDataLength,
OUT UINT8 *HostAdapterStatus,
OUT UINT8 *TargetStatus,
IN OUT VOID *DataBuffer, OPTIONAL
IN OUT UINT32 *DataLength,
IN UINT64 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_SIXTEEN];
ASSERT (SenseDataLength != NULL);
ASSERT (HostAdapterStatus != NULL);
ASSERT (TargetStatus != NULL);
ASSERT (DataLength != NULL);
ASSERT (ScsiIo != NULL);
ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET));
ZeroMem (Cdb, EFI_SCSI_OP_LENGTH_SIXTEEN);
CommandPacket.Timeout = Timeout;
CommandPacket.InDataBuffer = DataBuffer;
CommandPacket.SenseData = SenseData;
CommandPacket.InTransferLength = *DataLength;
CommandPacket.Cdb = Cdb;
//
// Fill Cdb for Read (16) Command
//
Target = &TargetArray[0];
ScsiIo->GetDeviceLocation (ScsiIo, &Target, &Lun);
Cdb[0] = EFI_SCSI_OP_READ16;
Cdb[1] = (UINT8) (LShiftU64 (Lun, 5) & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);
WriteUnaligned64 ((UINT64 *)&Cdb[2], SwapBytes64 (StartLba));
WriteUnaligned32 ((UINT32 *)&Cdb[10], SwapBytes32 (SectorSize));
CommandPacket.CdbLength = EFI_SCSI_OP_LENGTH_SIXTEEN;
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;
}
/**
Execute Write(16) SCSI command on a specific SCSI target.
Executes the SCSI Write(16) command on the SCSI target specified by ScsiIo.
If Timeout is zero, then this function waits indefinitely for the command to complete.
If Timeout is greater than zero, then the command is executed and will timeout after
Timeout 100 ns units. The StartLba and SectorSize parameters are used to construct
the CDB for this SCSI command.
If ScsiIo is NULL, then ASSERT().
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, out] 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] 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_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 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.
**/
EFI_STATUS
EFIAPI
ScsiWrite16Command (
IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
IN UINT64 Timeout,
IN OUT VOID *SenseData, OPTIONAL
IN OUT UINT8 *SenseDataLength,
OUT UINT8 *HostAdapterStatus,
OUT UINT8 *TargetStatus,
IN OUT VOID *DataBuffer, OPTIONAL
IN OUT UINT32 *DataLength,
IN UINT64 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_SIXTEEN];
ASSERT (SenseDataLength != NULL);
ASSERT (HostAdapterStatus != NULL);
ASSERT (TargetStatus != NULL);
ASSERT (DataLength != NULL);
ASSERT (ScsiIo != NULL);
ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET));
ZeroMem (Cdb, EFI_SCSI_OP_LENGTH_SIXTEEN);
CommandPacket.Timeout = Timeout;
CommandPacket.OutDataBuffer = DataBuffer;
CommandPacket.SenseData = SenseData;
CommandPacket.OutTransferLength = *DataLength;
CommandPacket.Cdb = Cdb;
//
// Fill Cdb for Write (16) Command
//
Target = &TargetArray[0];
ScsiIo->GetDeviceLocation (ScsiIo, &Target, &Lun);
Cdb[0] = EFI_SCSI_OP_WRITE16;
Cdb[1] = (UINT8) (LShiftU64 (Lun, 5) & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);
WriteUnaligned64 ((UINT64 *)&Cdb[2], SwapBytes64 (StartLba));
WriteUnaligned32 ((UINT32 *)&Cdb[10], SwapBytes32 (SectorSize));
CommandPacket.CdbLength = EFI_SCSI_OP_LENGTH_SIXTEEN;
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;
}