Four new functions are added to UefiScsiLib:
ScsiRead10CommandEx
ScsiWrite10CommandEx
ScsiRead16CommandEx
ScsiWrite16CommandEx
They support both blocking and non-blocking SCSI Read/Write operation
depending on the optional parameter 'Event' passed to those APIs.
When 'Event' is NULL, these four functions will call the non-EX version
couterparts to execute blocking SCSI I/O. When 'Event' is not NULL,
non-blocking I/O operation is executed.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a...@intel.com>
---
MdePkg/Include/Library/UefiScsiLib.h | 360 +++++++++++++
MdePkg/Library/UefiScsiLib/UefiScsiLib.c | 776 +++++++++++++++++++++++++++++
MdePkg/Library/UefiScsiLib/UefiScsiLib.inf | 4 +-
3 files changed, 1139 insertions(+), 1 deletion(-)
diff --git a/MdePkg/Include/Library/UefiScsiLib.h
b/MdePkg/Include/Library/UefiScsiLib.h
index 26e4aa4..067acfd 100644
--- a/MdePkg/Include/Library/UefiScsiLib.h
+++ b/MdePkg/Include/Library/UefiScsiLib.h
@@ -818,4 +818,364 @@ ScsiWrite16Command (
IN UINT32 SectorSize
);
+
+/**
+ Execute blocking/non-blocking Read(10) SCSI command on a specific SCSI
+ target.
+
+ Executes the SCSI Read(10) command on the SCSI target specified by ScsiIo.
+ When Event is NULL, blocking command will be executed. Otherwise non-blocking
+ command will be executed.
+ For blocking I/O, if Timeout is zero, this function will wait 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.
+ For non-blocking I/O, if Timeout is zero, Event will be signaled only after
+ the command to completes. If Timeout is greater than zero, Event will also be
+ signaled 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().
+
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise
+ EFI_INVALID_PARAMETER gets returned.
+
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise
+ EFI_INVALID_PARAMETER gets returned.
+
+ @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 number of contiguous logical blocks
+ of data that shall be transferred.
+ @param[in] Event If the SCSI target does not support
+ non-blocking I/O, then Event is ignored,
+ and blocking I/O is performed. If Event
+ is NULL, then blocking I/O is performed.
+ If Event is not NULL and non-blocking
+ I/O is supported, then non-blocking I/O
+ is performed, and Event will be signaled
+ when the SCSI Read(10) command
+ completes.
+
+ @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.
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet
+ are invalid.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due
+ to a lack of resources.
+
+**/
+EFI_STATUS
+EFIAPI
+ScsiRead10CommandEx (
+ 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 UINT32 StartLba,
+ IN UINT32 SectorSize,
+ IN EFI_EVENT Event OPTIONAL
+ );
+
+
+/**
+ Execute blocking/non-blocking Write(10) SCSI command on a specific SCSI
+ target.
+
+ Executes the SCSI Write(10) command on the SCSI target specified by ScsiIo.
+ When Event is NULL, blocking command will be executed. Otherwise non-blocking
+ command will be executed.
+ For blocking I/O, if Timeout is zero, this function will wait 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.
+ For non-blocking I/O, if Timeout is zero, Event will be signaled only after
+ the command to completes. If Timeout is greater than zero, Event will also be
+ signaled 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().
+
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise
+ EFI_INVALID_PARAMETER gets returned.
+
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise
+ EFI_INVALID_PARAMETER gets returned.
+
+ @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 number of contiguous logical blocks
+ of data that shall be transferred.
+ @param[in] Event If the SCSI target does not support
+ non-blocking I/O, then Event is ignored,
+ and blocking I/O is performed. If Event
+ is NULL, then blocking I/O is performed.
+ If Event is not NULL and non-blocking
+ I/O is supported, then non-blocking I/O
+ is performed, and Event will be signaled
+ when the SCSI Write(10) command
+ completes.
+
+ @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.
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet
+ are invalid.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due
+ to a lack of resources.
+
+**/
+EFI_STATUS
+EFIAPI
+ScsiWrite10CommandEx (
+ 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 UINT32 StartLba,
+ IN UINT32 SectorSize,
+ IN EFI_EVENT Event OPTIONAL
+ );
+
+
+/**
+ Execute blocking/non-blocking Read(16) SCSI command on a specific SCSI
+ target.
+
+ Executes the SCSI Read(16) command on the SCSI target specified by ScsiIo.
+ When Event is NULL, blocking command will be executed. Otherwise non-blocking
+ command will be executed.
+ For blocking I/O, if Timeout is zero, this function will wait 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.
+ For non-blocking I/O, if Timeout is zero, Event will be signaled only after
+ the command to completes. If Timeout is greater than zero, Event will also be
+ signaled 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().
+
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise
+ EFI_INVALID_PARAMETER gets returned.
+
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise
+ EFI_INVALID_PARAMETER gets returned.
+
+ @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 number of contiguous logical blocks
+ of data that shall be transferred.
+ @param[in] Event If the SCSI target does not support
+ non-blocking I/O, then Event is ignored,
+ and blocking I/O is performed. If Event
+ is NULL, then blocking I/O is performed.
+ If Event is not NULL and non-blocking
+ I/O is supported, then non-blocking I/O
+ is performed, and Event will be signaled
+ when the SCSI Read(16) command
+ completes.
+
+ @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.
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet
+ are invalid.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due
+ to a lack of resources.
+
+**/
+EFI_STATUS
+EFIAPI
+ScsiRead16CommandEx (
+ 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,
+ IN EFI_EVENT Event OPTIONAL
+ );
+
+
+/**
+ Execute blocking/non-blocking Write(16) SCSI command on a specific SCSI
+ target.
+
+ Executes the SCSI Write(16) command on the SCSI target specified by ScsiIo.
+ When Event is NULL, blocking command will be executed. Otherwise non-blocking
+ command will be executed.
+ For blocking I/O, if Timeout is zero, this function will wait 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.
+ For non-blocking I/O, if Timeout is zero, Event will be signaled only after
+ the command to completes. If Timeout is greater than zero, Event will also be
+ signaled 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().
+
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise
+ EFI_INVALID_PARAMETER gets returned.
+
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise
+ EFI_INVALID_PARAMETER gets returned.
+
+ @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 number of contiguous logical blocks
+ of data that shall be transferred.
+ @param[in] Event If the SCSI target does not support
+ non-blocking I/O, then Event is ignored,
+ and blocking I/O is performed. If Event
+ is NULL, then blocking I/O is performed.
+ If Event is not NULL and non-blocking
+ I/O is supported, then non-blocking I/O
+ is performed, and Event will be signaled
+ when the SCSI Write(16) command
+ completes.
+
+ @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.
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet
+ are invalid.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due
+ to a lack of resources.
+
+**/
+EFI_STATUS
+EFIAPI
+ScsiWrite16CommandEx (
+ 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,
+ IN EFI_EVENT Event OPTIONAL
+ );
+
#endif
diff --git a/MdePkg/Library/UefiScsiLib/UefiScsiLib.c
b/MdePkg/Library/UefiScsiLib/UefiScsiLib.c
index 89f2617..d8babce 100644
--- a/MdePkg/Library/UefiScsiLib/UefiScsiLib.c
+++ b/MdePkg/Library/UefiScsiLib/UefiScsiLib.c
@@ -18,6 +18,8 @@
#include <Library/DebugLib.h>
#include <Library/UefiScsiLib.h>
#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
#include <IndustryStandard/Scsi.h>
@@ -29,6 +31,39 @@
#define EFI_SCSI_OP_LENGTH_TEN 0xa
#define EFI_SCSI_OP_LENGTH_SIXTEEN 0x10
+//
+// The context structure used when non-blocking SCSI read/write operation
+// completes.
+//
+typedef struct {
+ ///
+ /// The SCSI request packet to send to the SCSI controller specified by
+ /// the device handle.
+ ///
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;
+ ///
+ /// The length of the output sense data.
+ ///
+ UINT8 *SenseDataLength;
+ ///
+ /// The status of the SCSI host adapter.
+ ///
+ UINT8 *HostAdapterStatus;
+ ///
+ /// The status of the target SCSI device.
+ ///
+ UINT8 *TargetStatus;
+ ///
+ /// The length of the data buffer for the SCSI read/write command.
+ ///
+ UINT32 *DataLength;
+ ///
+ /// The caller event to be signaled when the SCSI read/write command
+ /// completes.
+ ///
+ EFI_EVENT CallerEvent;
+} EFI_SCSI_LIB_ASYNC_CONTEXT;
+
/**
@@ -1249,3 +1284,744 @@ ScsiWrite16Command (
return Status;
}
+
+
+/**
+ Internal helper notify function in which update the result of the
+ non-blocking SCSI Read/Write commands and signal caller event.
+
+ @param Event The instance of EFI_EVENT.
+ @param Context The parameter passed in.
+
+**/
+VOID
+EFIAPI
+ScsiLibNotify (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ EFI_SCSI_LIB_ASYNC_CONTEXT *LibContext;
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET *CommandPacket;
+ EFI_EVENT CallerEvent;
+
+ LibContext = (EFI_SCSI_LIB_ASYNC_CONTEXT *) Context;
+ CommandPacket = &LibContext->CommandPacket;
+ CallerEvent = LibContext->CallerEvent;
+
+ //
+ // Update SCSI Read/Write operation results
+ //
+ *LibContext->SenseDataLength = CommandPacket->SenseDataLength;
+ *LibContext->HostAdapterStatus = CommandPacket->HostAdapterStatus;
+ *LibContext->TargetStatus = CommandPacket->TargetStatus;
+ if (CommandPacket->InDataBuffer != NULL) {
+ *LibContext->DataLength = CommandPacket->InTransferLength;
+ } else {
+ *LibContext->DataLength = CommandPacket->OutTransferLength;
+ }
+
+ if (CommandPacket->Cdb != NULL) {
+ FreePool (CommandPacket->Cdb);
+ }
+ FreePool (Context);
+
+ gBS->CloseEvent (Event);
+ gBS->SignalEvent (CallerEvent);
+}
+
+
+/**
+ Execute blocking/non-blocking Read(10) SCSI command on a specific SCSI
+ target.
+
+ Executes the SCSI Read(10) command on the SCSI target specified by ScsiIo.
+ When Event is NULL, blocking command will be executed. Otherwise non-blocking
+ command will be executed.
+ For blocking I/O, if Timeout is zero, this function will wait 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.
+ For non-blocking I/O, if Timeout is zero, Event will be signaled only after
+ the command to completes. If Timeout is greater than zero, Event will also be
+ signaled 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().
+
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise
+ EFI_INVALID_PARAMETER gets returned.
+
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise
+ EFI_INVALID_PARAMETER gets returned.
+
+ @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 number of contiguous logical blocks
+ of data that shall be transferred.
+ @param[in] Event If the SCSI target does not support
+ non-blocking I/O, then Event is ignored,
+ and blocking I/O is performed. If Event
+ is NULL, then blocking I/O is performed.
+ If Event is not NULL and non-blocking
+ I/O is supported, then non-blocking I/O
+ is performed, and Event will be signaled
+ when the SCSI Read(10) command
+ completes.
+
+ @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.
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet
+ are invalid.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due
+ to a lack of resources.
+
+**/
+EFI_STATUS
+EFIAPI
+ScsiRead10CommandEx (
+ 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 UINT32 StartLba,
+ IN UINT32 SectorSize,
+ IN EFI_EVENT Event OPTIONAL
+ )
+{
+ EFI_SCSI_LIB_ASYNC_CONTEXT *Context;
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET *CommandPacket;
+ EFI_STATUS Status;
+ UINT8 *Cdb;
+ EFI_EVENT SelfEvent;
+
+ if (Event == NULL) {
+ return ScsiRead10Command (
+ ScsiIo,
+ Timeout,
+ SenseData,
+ SenseDataLength,
+ HostAdapterStatus,
+ TargetStatus,
+ DataBuffer,
+ DataLength,
+ StartLba,
+ SectorSize
+ );
+ }
+
+ ASSERT (SenseDataLength != NULL);
+ ASSERT (HostAdapterStatus != NULL);
+ ASSERT (TargetStatus != NULL);
+ ASSERT (DataLength != NULL);
+ ASSERT (ScsiIo != NULL);
+
+ Context = AllocateZeroPool (sizeof (EFI_SCSI_LIB_ASYNC_CONTEXT));
+ if (Context == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ Cdb = AllocateZeroPool (EFI_SCSI_OP_LENGTH_TEN);
+ if (Cdb == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ErrorExit;
+ }
+
+ Context->SenseDataLength = SenseDataLength;
+ Context->HostAdapterStatus = HostAdapterStatus;
+ Context->TargetStatus = TargetStatus;
+ Context->CallerEvent = Event;
+
+ CommandPacket = &Context->CommandPacket;
+ CommandPacket->Timeout = Timeout;
+ CommandPacket->InDataBuffer = DataBuffer;
+ CommandPacket->SenseData = SenseData;
+ CommandPacket->InTransferLength = *DataLength;
+ CommandPacket->Cdb = Cdb;
+ //
+ // Fill Cdb for Read (10) Command
+ //
+ Cdb[0] = EFI_SCSI_OP_READ10;
+ WriteUnaligned32 ((UINT32 *)&Cdb[2], SwapBytes32 (StartLba));
+ WriteUnaligned16 ((UINT16 *)&Cdb[7], SwapBytes16 ((UINT16) SectorSize));
+
+ CommandPacket->CdbLength = EFI_SCSI_OP_LENGTH_TEN;
+ CommandPacket->DataDirection = EFI_SCSI_DATA_IN;
+ CommandPacket->SenseDataLength = *SenseDataLength;
+
+ //
+ // Create Event
+ //
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ ScsiLibNotify,
+ Context,
+ &SelfEvent
+ );
+ if (EFI_ERROR(Status)) {
+ goto ErrorExit;
+ }
+
+ return ScsiIo->ExecuteScsiCommand (ScsiIo, CommandPacket, SelfEvent);
+
+ErrorExit:
+ if (Context != NULL) {
+ FreePool (Context);
+ }
+
+ return Status;
+}
+
+
+/**
+ Execute blocking/non-blocking Write(10) SCSI command on a specific SCSI
+ target.
+
+ Executes the SCSI Write(10) command on the SCSI target specified by ScsiIo.
+ When Event is NULL, blocking command will be executed. Otherwise non-blocking
+ command will be executed.
+ For blocking I/O, if Timeout is zero, this function will wait 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.
+ For non-blocking I/O, if Timeout is zero, Event will be signaled only after
+ the command to completes. If Timeout is greater than zero, Event will also be
+ signaled 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().
+
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise
+ EFI_INVALID_PARAMETER gets returned.
+
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise
+ EFI_INVALID_PARAMETER gets returned.
+
+ @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 number of contiguous logical blocks
+ of data that shall be transferred.
+ @param[in] Event If the SCSI target does not support
+ non-blocking I/O, then Event is ignored,
+ and blocking I/O is performed. If Event
+ is NULL, then blocking I/O is performed.
+ If Event is not NULL and non-blocking
+ I/O is supported, then non-blocking I/O
+ is performed, and Event will be signaled
+ when the SCSI Write(10) command
+ completes.
+
+ @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.
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet
+ are invalid.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due
+ to a lack of resources.
+
+**/
+EFI_STATUS
+EFIAPI
+ScsiWrite10CommandEx (
+ 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 UINT32 StartLba,
+ IN UINT32 SectorSize,
+ IN EFI_EVENT Event OPTIONAL
+ )
+{
+ EFI_SCSI_LIB_ASYNC_CONTEXT *Context;
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET *CommandPacket;
+ EFI_STATUS Status;
+ UINT8 *Cdb;
+ EFI_EVENT SelfEvent;
+
+ if (Event == NULL) {
+ return ScsiWrite10Command (
+ ScsiIo,
+ Timeout,
+ SenseData,
+ SenseDataLength,
+ HostAdapterStatus,
+ TargetStatus,
+ DataBuffer,
+ DataLength,
+ StartLba,
+ SectorSize
+ );
+ }
+
+ ASSERT (SenseDataLength != NULL);
+ ASSERT (HostAdapterStatus != NULL);
+ ASSERT (TargetStatus != NULL);
+ ASSERT (DataLength != NULL);
+ ASSERT (ScsiIo != NULL);
+
+ Context = AllocateZeroPool (sizeof (EFI_SCSI_LIB_ASYNC_CONTEXT));
+ if (Context == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ Cdb = AllocateZeroPool (EFI_SCSI_OP_LENGTH_TEN);
+ if (Cdb == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ErrorExit;
+ }
+
+ Context->SenseDataLength = SenseDataLength;
+ Context->HostAdapterStatus = HostAdapterStatus;
+ Context->TargetStatus = TargetStatus;
+ Context->CallerEvent = Event;
+
+ CommandPacket = &Context->CommandPacket;
+ CommandPacket->Timeout = Timeout;
+ CommandPacket->OutDataBuffer = DataBuffer;
+ CommandPacket->SenseData = SenseData;
+ CommandPacket->OutTransferLength = *DataLength;
+ CommandPacket->Cdb = Cdb;
+ //
+ // Fill Cdb for Write (10) Command
+ //
+ Cdb[0] = EFI_SCSI_OP_WRITE10;
+ WriteUnaligned32 ((UINT32 *)&Cdb[2], SwapBytes32 (StartLba));
+ WriteUnaligned16 ((UINT16 *)&Cdb[7], SwapBytes16 ((UINT16) SectorSize));
+
+ CommandPacket->CdbLength = EFI_SCSI_OP_LENGTH_TEN;
+ CommandPacket->DataDirection = EFI_SCSI_DATA_OUT;
+ CommandPacket->SenseDataLength = *SenseDataLength;
+
+ //
+ // Create Event
+ //
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ ScsiLibNotify,
+ Context,
+ &SelfEvent
+ );
+ if (EFI_ERROR(Status)) {
+ goto ErrorExit;
+ }
+
+ return ScsiIo->ExecuteScsiCommand (ScsiIo, CommandPacket, Event);
+
+ErrorExit:
+ if (Context != NULL) {
+ FreePool (Context);
+ }
+
+ return Status;
+}
+
+
+/**
+ Execute blocking/non-blocking Read(16) SCSI command on a specific SCSI
+ target.
+
+ Executes the SCSI Read(16) command on the SCSI target specified by ScsiIo.
+ When Event is NULL, blocking command will be executed. Otherwise non-blocking
+ command will be executed.
+ For blocking I/O, if Timeout is zero, this function will wait 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.
+ For non-blocking I/O, if Timeout is zero, Event will be signaled only after
+ the command to completes. If Timeout is greater than zero, Event will also be
+ signaled 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().
+
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise
+ EFI_INVALID_PARAMETER gets returned.
+
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise
+ EFI_INVALID_PARAMETER gets returned.
+
+ @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 number of contiguous logical blocks
+ of data that shall be transferred.
+ @param[in] Event If the SCSI target does not support
+ non-blocking I/O, then Event is ignored,
+ and blocking I/O is performed. If Event
+ is NULL, then blocking I/O is performed.
+ If Event is not NULL and non-blocking
+ I/O is supported, then non-blocking I/O
+ is performed, and Event will be signaled
+ when the SCSI Read(16) command
+ completes.
+
+ @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.
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet
+ are invalid.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due
+ to a lack of resources.
+
+**/
+EFI_STATUS
+EFIAPI
+ScsiRead16CommandEx (
+ 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,
+ IN EFI_EVENT Event OPTIONAL
+ )
+{
+ EFI_SCSI_LIB_ASYNC_CONTEXT *Context;
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET *CommandPacket;
+ EFI_STATUS Status;
+ UINT8 *Cdb;
+ EFI_EVENT SelfEvent;
+
+ if (Event == NULL) {
+ return ScsiRead16Command (
+ ScsiIo,
+ Timeout,
+ SenseData,
+ SenseDataLength,
+ HostAdapterStatus,
+ TargetStatus,
+ DataBuffer,
+ DataLength,
+ StartLba,
+ SectorSize
+ );
+ }
+
+ ASSERT (SenseDataLength != NULL);
+ ASSERT (HostAdapterStatus != NULL);
+ ASSERT (TargetStatus != NULL);
+ ASSERT (DataLength != NULL);
+ ASSERT (ScsiIo != NULL);
+
+ Context = AllocateZeroPool (sizeof (EFI_SCSI_LIB_ASYNC_CONTEXT));
+ if (Context == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ Cdb = AllocateZeroPool (EFI_SCSI_OP_LENGTH_SIXTEEN);
+ if (Cdb == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ErrorExit;
+ }
+
+ Context->SenseDataLength = SenseDataLength;
+ Context->HostAdapterStatus = HostAdapterStatus;
+ Context->TargetStatus = TargetStatus;
+ Context->CallerEvent = Event;
+
+ CommandPacket = &Context->CommandPacket;
+ CommandPacket->Timeout = Timeout;
+ CommandPacket->InDataBuffer = DataBuffer;
+ CommandPacket->SenseData = SenseData;
+ CommandPacket->InTransferLength = *DataLength;
+ CommandPacket->Cdb = Cdb;
+ //
+ // Fill Cdb for Read (16) Command
+ //
+ Cdb[0] = EFI_SCSI_OP_READ16;
+ 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;
+
+ //
+ // Create Event
+ //
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ ScsiLibNotify,
+ Context,
+ &SelfEvent
+ );
+ if (EFI_ERROR(Status)) {
+ goto ErrorExit;
+ }
+
+ return ScsiIo->ExecuteScsiCommand (ScsiIo, CommandPacket, Event);
+
+ErrorExit:
+ if (Context != NULL) {
+ FreePool (Context);
+ }
+
+ return Status;
+}
+
+
+/**
+ Execute blocking/non-blocking Write(16) SCSI command on a specific SCSI
+ target.
+
+ Executes the SCSI Write(16) command on the SCSI target specified by ScsiIo.
+ When Event is NULL, blocking command will be executed. Otherwise non-blocking
+ command will be executed.
+ For blocking I/O, if Timeout is zero, this function will wait 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.
+ For non-blocking I/O, if Timeout is zero, Event will be signaled only after
+ the command to completes. If Timeout is greater than zero, Event will also be
+ signaled 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().
+
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise
+ EFI_INVALID_PARAMETER gets returned.
+
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise
+ EFI_INVALID_PARAMETER gets returned.
+
+ @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 number of contiguous logical blocks
+ of data that shall be transferred.
+ @param[in] Event If the SCSI target does not support
+ non-blocking I/O, then Event is ignored,
+ and blocking I/O is performed. If Event
+ is NULL, then blocking I/O is performed.
+ If Event is not NULL and non-blocking
+ I/O is supported, then non-blocking I/O
+ is performed, and Event will be signaled
+ when the SCSI Write(16) command
+ completes.
+
+ @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.
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet
+ are invalid.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due
+ to a lack of resources.
+
+**/
+EFI_STATUS
+EFIAPI
+ScsiWrite16CommandEx (
+ 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,
+ IN EFI_EVENT Event OPTIONAL
+ )
+{
+ EFI_SCSI_LIB_ASYNC_CONTEXT *Context;
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET *CommandPacket;
+ EFI_STATUS Status;
+ UINT8 *Cdb;
+ EFI_EVENT SelfEvent;
+
+ if (Event == NULL) {
+ return ScsiWrite16Command (
+ ScsiIo,
+ Timeout,
+ SenseData,
+ SenseDataLength,
+ HostAdapterStatus,
+ TargetStatus,
+ DataBuffer,
+ DataLength,
+ StartLba,
+ SectorSize
+ );
+ }
+
+ ASSERT (SenseDataLength != NULL);
+ ASSERT (HostAdapterStatus != NULL);
+ ASSERT (TargetStatus != NULL);
+ ASSERT (DataLength != NULL);
+ ASSERT (ScsiIo != NULL);
+
+ Context = AllocateZeroPool (sizeof (EFI_SCSI_LIB_ASYNC_CONTEXT));
+ if (Context == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ Cdb = AllocateZeroPool (EFI_SCSI_OP_LENGTH_SIXTEEN);
+ if (Cdb == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ErrorExit;
+ }
+
+ Context->SenseDataLength = SenseDataLength;
+ Context->HostAdapterStatus = HostAdapterStatus;
+ Context->TargetStatus = TargetStatus;
+ Context->CallerEvent = Event;
+
+ CommandPacket = &Context->CommandPacket;
+ CommandPacket->Timeout = Timeout;
+ CommandPacket->OutDataBuffer = DataBuffer;
+ CommandPacket->SenseData = SenseData;
+ CommandPacket->OutTransferLength = *DataLength;
+ CommandPacket->Cdb = Cdb;
+ //
+ // Fill Cdb for Write (16) Command
+ //
+ Cdb[0] = EFI_SCSI_OP_WRITE16;
+ 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;
+
+ //
+ // Create Event
+ //
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ ScsiLibNotify,
+ Context,
+ &SelfEvent
+ );
+ if (EFI_ERROR(Status)) {
+ goto ErrorExit;
+ }
+
+ return ScsiIo->ExecuteScsiCommand (ScsiIo, CommandPacket, Event);
+
+ErrorExit:
+ if (Context != NULL) {
+ FreePool (Context);
+ }
+
+ return Status;
+}
diff --git a/MdePkg/Library/UefiScsiLib/UefiScsiLib.inf
b/MdePkg/Library/UefiScsiLib/UefiScsiLib.inf
index 1eb9076..cd0c5c1 100644
--- a/MdePkg/Library/UefiScsiLib/UefiScsiLib.inf
+++ b/MdePkg/Library/UefiScsiLib/UefiScsiLib.inf
@@ -4,7 +4,7 @@
# This libarary provides the functions to submit Scsi commands defined
# in SCSI-2 specification for scsi device.
#
-# Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD
License
@@ -42,4 +42,6 @@
BaseMemoryLib
DebugLib
BaseLib
+ MemoryAllocationLib
+ UefiBootServicesTableLib
--
1.9.5.msysgit.0
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