[PATCH v4 1/2] MdePkg: Implement SCSI commands for Security Protocol In/Out


Zurcher, Christopher J
 

This patch implements the Security Protocol In and Security Protocol Out
commands in UefiScsiLib to prepare support for the Storage Security
Command Protocol.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Christopher J Zurcher <christopher.j.zurcher@intel.com>
---
MdePkg/Include/IndustryStandard/Scsi.h | 48 +++--
MdePkg/Include/Library/UefiScsiLib.h | 126 +++++++++++-
MdePkg/Include/Protocol/ScsiIo.h | 9 +-
MdePkg/Library/UefiScsiLib/UefiScsiLib.c | 205 +++++++++++++++++++-
4 files changed, 366 insertions(+), 22 deletions(-)

diff --git a/MdePkg/Include/IndustryStandard/Scsi.h b/MdePkg/Include/IndustryStandard/Scsi.h
index cbe5709fe5..10d7b49ba7 100644
--- a/MdePkg/Include/IndustryStandard/Scsi.h
+++ b/MdePkg/Include/IndustryStandard/Scsi.h
@@ -1,7 +1,7 @@
/** @file
Support for SCSI-2 standard

- Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent

**/
@@ -163,6 +163,12 @@
#define EFI_SCSI_OP_SEND_MESSAGE10 0x2a
#define EFI_SCSI_OP_SEND_MESSAGE12 0xaa

+//
+// Additional commands for Secure Transactions
+//
+#define EFI_SCSI_OP_SECURITY_PROTOCOL_IN 0xa2
+#define EFI_SCSI_OP_SECURITY_PROTOCOL_OUT 0xb5
+
//
// SCSI Data Transfer Direction
//
@@ -172,22 +178,30 @@
//
// Peripheral Device Type Definitions
//
-#define EFI_SCSI_TYPE_DISK 0x00 ///< Direct-access device (e.g. magnetic disk)
-#define EFI_SCSI_TYPE_TAPE 0x01 ///< Sequential-access device (e.g. magnetic tape)
-#define EFI_SCSI_TYPE_PRINTER 0x02 ///< Printer device
-#define EFI_SCSI_TYPE_PROCESSOR 0x03 ///< Processor device
-#define EFI_SCSI_TYPE_WORM 0x04 ///< Write-once device (e.g. some optical disks)
-#define EFI_SCSI_TYPE_CDROM 0x05 ///< CD-ROM device
-#define EFI_SCSI_TYPE_SCANNER 0x06 ///< Scanner device
-#define EFI_SCSI_TYPE_OPTICAL 0x07 ///< Optical memory device (e.g. some optical disks)
-#define EFI_SCSI_TYPE_MEDIUMCHANGER 0x08 ///< Medium changer device (e.g. jukeboxes)
-#define EFI_SCSI_TYPE_COMMUNICATION 0x09 ///< Communications device
-#define EFI_SCSI_TYPE_ASCIT8_1 0x0A ///< Defined by ASC IT8 (Graphic arts pre-press devices)
-#define EFI_SCSI_TYPE_ASCIT8_2 0x0B ///< Defined by ASC IT8 (Graphic arts pre-press devices)
-//
-// 0Ch - 1Eh are reserved
-//
-#define EFI_SCSI_TYPE_UNKNOWN 0x1F ///< Unknown or no device type
+#define EFI_SCSI_TYPE_DISK 0x00 ///< Direct-access device (e.g. magnetic disk)
+#define EFI_SCSI_TYPE_TAPE 0x01 ///< Sequential-access device (e.g. magnetic tape)
+#define EFI_SCSI_TYPE_PRINTER 0x02 ///< Printer device
+#define EFI_SCSI_TYPE_PROCESSOR 0x03 ///< Processor device
+#define EFI_SCSI_TYPE_WORM 0x04 ///< Write-once device (e.g. some optical disks)
+#define EFI_SCSI_TYPE_CDROM 0x05 ///< CD/DVD device
+#define EFI_SCSI_TYPE_SCANNER 0x06 ///< Scanner device (obsolete)
+#define EFI_SCSI_TYPE_OPTICAL 0x07 ///< Optical memory device (e.g. some optical disks)
+#define EFI_SCSI_TYPE_MEDIUMCHANGER 0x08 ///< Medium changer device (e.g. jukeboxes)
+#define EFI_SCSI_TYPE_COMMUNICATION 0x09 ///< Communications device (obsolete)
+#define EFI_SCSI_TYPE_A 0x0A ///< Obsolete
+#define EFI_SCSI_TYPE_B 0x0B ///< Obsolete
+#define EFI_SCSI_TYPE_RAID 0x0C ///< Storage array controller device (e.g., RAID)
+#define EFI_SCSI_TYPE_SES 0x0D ///< Enclosure services device
+#define EFI_SCSI_TYPE_RBC 0x0E ///< Simplified direct-access device (e.g., magnetic disk)
+#define EFI_SCSI_TYPE_OCRW 0x0F ///< Optical card reader/writer device
+#define EFI_SCSI_TYPE_BRIDGE 0x10 ///< Bridge Controller Commands
+#define EFI_SCSI_TYPE_OSD 0x11 ///< Object-based Storage Device
+#define EFI_SCSI_TYPE_AUTOMATION 0x12 ///< Automation/Drive Interface
+#define EFI_SCSI_TYPE_SECURITYMANAGER 0x13 ///< Security manager device
+#define EFI_SCSI_TYPE_RESERVED_LOW 0x14 ///< Reserved (low)
+#define EFI_SCSI_TYPE_RESERVED_HIGH 0x1D ///< Reserved (high)
+#define EFI_SCSI_TYPE_WLUN 0x1E ///< Well known logical unit
+#define EFI_SCSI_TYPE_UNKNOWN 0x1F ///< Unknown or no device type

//
// Page Codes for INQUIRY command
diff --git a/MdePkg/Include/Library/UefiScsiLib.h b/MdePkg/Include/Library/UefiScsiLib.h
index 10dd81902b..a0d99e703a 100644
--- a/MdePkg/Include/Library/UefiScsiLib.h
+++ b/MdePkg/Include/Library/UefiScsiLib.h
@@ -5,7 +5,7 @@
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.

-Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent

**/
@@ -813,6 +813,130 @@ ScsiWrite16Command (
);


+/**
+ Execute Security Protocol In SCSI command on a specific SCSI target.
+
+ Executes the SCSI Security Protocol In 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().
+
+ 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] SecurityProtocol The Security Protocol to use.
+ @param[in] SecurityProtocolSpecific The Security Protocol Specific data.
+ @param[in] TransferLength The size in bytes of the data allocation.
+ @param[in, out] DataBuffer A pointer to a data buffer.
+ @param[in, out] DataLength The length of data buffer.
+
+ @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.
+
+**/
+EFI_STATUS
+EFIAPI
+ScsiSecurityProtocolInCommand (
+ 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 UINT8 SecurityProtocol,
+ IN UINT16 SecurityProtocolSpecific,
+ IN UINT32 TransferLength,
+ IN OUT VOID *DataBuffer, OPTIONAL
+ IN OUT UINT32 *DataLength
+ );
+
+
+/**
+ Execute Security Protocol Out SCSI command on a specific SCSI target.
+
+ Executes the SCSI Security Protocol Out 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().
+
+ 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] SecurityProtocol The Security Protocol to use.
+ @param[in] SecurityProtocolSpecific The Security Protocol Specific data.
+ @param[in] TransferLength The size in bytes of the transfer data.
+ @param[in, out] DataBuffer A pointer to a data buffer.
+
+ @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.
+
+**/
+EFI_STATUS
+EFIAPI
+ScsiSecurityProtocolOutCommand (
+ 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 UINT8 SecurityProtocol,
+ IN UINT16 SecurityProtocolSpecific,
+ IN UINT32 TransferLength,
+ IN OUT VOID *DataBuffer OPTIONAL
+ );
+
+
/**
Execute blocking/non-blocking Read(10) SCSI command on a specific SCSI
target.
diff --git a/MdePkg/Include/Protocol/ScsiIo.h b/MdePkg/Include/Protocol/ScsiIo.h
index 05e46bda9c..27c31fe7f9 100644
--- a/MdePkg/Include/Protocol/ScsiIo.h
+++ b/MdePkg/Include/Protocol/ScsiIo.h
@@ -4,7 +4,7 @@
services environment to access SCSI devices. In particular, functions for
managing devices on SCSI buses are defined here.

- Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent

**/
@@ -43,8 +43,11 @@ typedef struct _EFI_SCSI_IO_PROTOCOL EFI_SCSI_IO_PROTOCOL;
#define MFI_SCSI_IO_TYPE_OCRW 0x0F ///< Optical card reader/writer device
#define MFI_SCSI_IO_TYPE_BRIDGE 0x10 ///< Bridge Controller Commands
#define MFI_SCSI_IO_TYPE_OSD 0x11 ///< Object-based Storage Device
-#define EFI_SCSI_IO_TYPE_RESERVED_LOW 0x12 ///< Reserved (low)
-#define EFI_SCSI_IO_TYPE_RESERVED_HIGH 0x1E ///< Reserved (high)
+#define MFI_SCSI_IO_TYPE_AUTOMATION 0x12 ///< Automation/Drive Interface
+#define MFI_SCSI_IO_TYPE_SECURITYMANAGER 0x13 ///< Security manager device
+#define EFI_SCSI_IO_TYPE_RESERVED_LOW 0x14 ///< Reserved (low)
+#define EFI_SCSI_IO_TYPE_RESERVED_HIGH 0x1D ///< Reserved (high)
+#define EFI_SCSI_IO_TYPE_WLUN 0x1E ///< Well known logical unit
#define EFI_SCSI_IO_TYPE_UNKNOWN 0x1F ///< Unknown no device type

//
diff --git a/MdePkg/Library/UefiScsiLib/UefiScsiLib.c b/MdePkg/Library/UefiScsiLib/UefiScsiLib.c
index c7491d1436..7584d717ad 100644
--- a/MdePkg/Library/UefiScsiLib/UefiScsiLib.c
+++ b/MdePkg/Library/UefiScsiLib/UefiScsiLib.c
@@ -1,7 +1,7 @@
/** @file
UEFI SCSI Library implementation

- Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent

**/
@@ -23,6 +23,7 @@
//
#define EFI_SCSI_OP_LENGTH_SIX 0x6
#define EFI_SCSI_OP_LENGTH_TEN 0xa
+#define EFI_SCSI_OP_LENGTH_TWELVE 0xc
#define EFI_SCSI_OP_LENGTH_SIXTEEN 0x10

//
@@ -1280,6 +1281,208 @@ ScsiWrite16Command (
}


+/**
+ Execute Security Protocol In SCSI command on a specific SCSI target.
+
+ Executes the SCSI Security Protocol In 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().
+
+ 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] SecurityProtocol The Security Protocol to use.
+ @param[in] SecurityProtocolSpecific The Security Protocol Specific data.
+ @param[in] TransferLength The size in bytes of the data allocation.
+ @param[in, out] DataBuffer A pointer to a data buffer.
+ @param[in, out] DataLength The length of data buffer.
+
+ @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.
+
+**/
+EFI_STATUS
+EFIAPI
+ScsiSecurityProtocolInCommand (
+ 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 UINT8 SecurityProtocol,
+ IN UINT16 SecurityProtocolSpecific,
+ IN UINT32 TransferLength,
+ IN OUT VOID *DataBuffer, OPTIONAL
+ IN OUT UINT32 *DataLength
+ )
+{
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;
+ EFI_STATUS Status;
+ UINT8 Cdb[EFI_SCSI_OP_LENGTH_TWELVE];
+
+ 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_TWELVE);
+
+ CommandPacket.Timeout = Timeout;
+ CommandPacket.InDataBuffer = DataBuffer;
+ CommandPacket.SenseData = SenseData;
+ CommandPacket.InTransferLength = TransferLength;
+ CommandPacket.Cdb = Cdb;
+ //
+ // Fill Cdb for Security Protocol In Command
+ //
+ Cdb[0] = EFI_SCSI_OP_SECURITY_PROTOCOL_IN;
+ Cdb[1] = SecurityProtocol;
+ WriteUnaligned16 ((UINT16 *)&Cdb[2], SwapBytes16 (SecurityProtocolSpecific));
+ WriteUnaligned32 ((UINT32 *)&Cdb[6], SwapBytes32 (TransferLength));
+
+ CommandPacket.CdbLength = EFI_SCSI_OP_LENGTH_TWELVE;
+ 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 Security Protocol Out SCSI command on a specific SCSI target.
+
+ Executes the SCSI Security Protocol Out 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().
+
+ 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] SecurityProtocol The Security Protocol to use.
+ @param[in] SecurityProtocolSpecific The Security Protocol Specific data.
+ @param[in] TransferLength The size in bytes of the transfer data.
+ @param[in, out] DataBuffer A pointer to a data buffer.
+
+ @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.
+
+**/
+EFI_STATUS
+EFIAPI
+ScsiSecurityProtocolOutCommand (
+ 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 UINT8 SecurityProtocol,
+ IN UINT16 SecurityProtocolSpecific,
+ IN UINT32 TransferLength,
+ IN OUT VOID *DataBuffer OPTIONAL
+ )
+{
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;
+ EFI_STATUS Status;
+ UINT8 Cdb[EFI_SCSI_OP_LENGTH_TWELVE];
+
+ ASSERT (SenseDataLength != NULL);
+ ASSERT (HostAdapterStatus != NULL);
+ ASSERT (TargetStatus != NULL);
+ ASSERT (ScsiIo != NULL);
+
+ ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET));
+ ZeroMem (Cdb, EFI_SCSI_OP_LENGTH_TWELVE);
+
+ CommandPacket.Timeout = Timeout;
+ CommandPacket.OutDataBuffer = DataBuffer;
+ CommandPacket.SenseData = SenseData;
+ CommandPacket.OutTransferLength = TransferLength;
+ CommandPacket.Cdb = Cdb;
+ //
+ // Fill Cdb for Security Protocol Out Command
+ //
+ Cdb[0] = EFI_SCSI_OP_SECURITY_PROTOCOL_OUT;
+ Cdb[1] = SecurityProtocol;
+ WriteUnaligned16 ((UINT16 *)&Cdb[2], SwapBytes16 (SecurityProtocolSpecific));
+ WriteUnaligned32 ((UINT32 *)&Cdb[6], SwapBytes32 (TransferLength));
+
+ CommandPacket.CdbLength = EFI_SCSI_OP_LENGTH_TWELVE;
+ CommandPacket.DataDirection = EFI_SCSI_DATA_OUT;
+ CommandPacket.SenseDataLength = *SenseDataLength;
+
+ Status = ScsiIo->ExecuteScsiCommand (ScsiIo, &CommandPacket, NULL);
+
+ *HostAdapterStatus = CommandPacket.HostAdapterStatus;
+ *TargetStatus = CommandPacket.TargetStatus;
+ *SenseDataLength = CommandPacket.SenseDataLength;
+
+ return Status;
+}
+
+
/**
Internal helper notify function in which update the result of the
non-blocking SCSI Read/Write commands and signal caller event.
--
2.16.2.windows.1

Join devel@edk2.groups.io to automatically receive all group messages.