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authorZurcher, Christopher J <christopher.j.zurcher@intel.com>2019-09-27 10:19:57 +0800
committerHao A Wu <hao.a.wu@intel.com>2019-09-29 16:43:45 +0800
commit9b14509b16a90ebe5d418d403295efaff76d95d4 (patch)
tree09722f47e592e1fa7adcef51c6b385104aaa8fe3 /MdePkg/Library/UefiScsiLib
parent1f5e4d91284c918dc048b8b6f96f3cc97fcd6dfe (diff)
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MdePkg: Implement SCSI commands for Security Protocol In/Out
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1546 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> Signed-off-by: Christopher J Zurcher <christopher.j.zurcher@intel.com> Reviewed-by: Hao A Wu <hao.a.wu@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>
Diffstat (limited to 'MdePkg/Library/UefiScsiLib')
-rw-r--r--MdePkg/Library/UefiScsiLib/UefiScsiLib.c229
1 files changed, 228 insertions, 1 deletions
diff --git a/MdePkg/Library/UefiScsiLib/UefiScsiLib.c b/MdePkg/Library/UefiScsiLib/UefiScsiLib.c
index c7491d1436..13a2a1912c 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
//
@@ -1281,6 +1282,232 @@ 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.
+ 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 TransferLength 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] Inc512 If TRUE, 512 increment (INC_512) bit will be set for the
+ SECURITY PROTOCOL IN command.
+ @param[in] DataLength The size in bytes of the data buffer.
+ @param[in, out] DataBuffer A pointer to a data buffer.
+ @param[out] TransferLength A pointer to a buffer to store the size in
+ bytes of the data written to the 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 TransferLength.
+ @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many
+ SCSI Command Packets already queued.
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send 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 BOOLEAN Inc512,
+ IN UINTN DataLength,
+ IN OUT VOID *DataBuffer, OPTIONAL
+ OUT UINTN *TransferLength
+ )
+{
+ 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);
+ ASSERT (TransferLength != NULL);
+ ASSERT (DataLength <= MAX_UINT32);
+
+ 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 = (UINT32) DataLength;
+ 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));
+
+ if (Inc512) {
+ if (DataLength % 512 != 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+ Cdb[4] = BIT7;
+ WriteUnaligned32 ((UINT32 *)&Cdb[6], SwapBytes32 ((UINT32) DataLength / 512));
+ } else {
+ WriteUnaligned32 ((UINT32 *)&Cdb[6], SwapBytes32 ((UINT32) DataLength));
+ }
+
+ 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;
+ *TransferLength = (UINTN) 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.
+ 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 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] Inc512 If TRUE, 512 increment (INC_512) bit will be set for the
+ SECURITY PROTOCOL OUT command.
+ @param[in] DataLength 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 BOOLEAN Inc512,
+ IN UINTN DataLength,
+ 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);
+ ASSERT (DataLength <= MAX_UINT32);
+
+ 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 = (UINT32) DataLength;
+ 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));
+
+ if (Inc512) {
+ if (DataLength % 512 != 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+ Cdb[4] = BIT7;
+ WriteUnaligned32 ((UINT32 *)&Cdb[6], SwapBytes32 ((UINT32) DataLength / 512));
+ } else {
+ WriteUnaligned32 ((UINT32 *)&Cdb[6], SwapBytes32 ((UINT32) DataLength));
+ }
+
+ 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.