247 lines
8.1 KiB
C
247 lines
8.1 KiB
C
/** @file
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Implement TCM Get Capabilities related commands.
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;******************************************************************************
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;* Copyright (c) 2019, Insyde Software Corp. All Rights Reserved.
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;*
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;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
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;* transmit, broadcast, present, recite, release, license or otherwise exploit
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;* any part of this publication in any form, by any means, without the prior
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;* written permission of Insyde Software Corporation.
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;*
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;******************************************************************************
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**/
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#include <PiPei.h>
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#include <Library/TcmCommandLib.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/TcmDeviceLib.h>
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#pragma pack(1)
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typedef struct {
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TCM_RQU_COMMAND_HDR Hdr;
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UINT32 Capability;
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UINT32 CapabilityFlagSize;
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UINT32 CapabilityFlag;
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} TCM_CMD_GET_CAPABILITY;
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typedef struct {
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TCM_RSP_COMMAND_HDR Hdr;
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UINT32 ResponseSize;
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TCM_PERMANENT_FLAGS Flags;
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} TCM_RSP_GET_CAPABILITY_PERMANENT_FLAGS;
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typedef struct {
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TCM_RSP_COMMAND_HDR Hdr;
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UINT32 ResponseSize;
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TCM_STCLEAR_FLAGS Flags;
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} TCM_RSP_GET_CAPABILITY_STCLEAR_FLAGS;
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typedef struct {
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TCM_RSP_COMMAND_HDR Hdr;
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UINT32 ResponseSize;
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UINT8 Owner;
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} TCM_RSP_GET_CAPABILITY_PROP_OWNER;
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typedef struct {
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TCM_RSP_COMMAND_HDR Hdr;
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UINT32 ResponseSize;
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TCM_CAP_VERSION_INFO VersionInfo;
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} TCM_RSP_GET_CAPABILITY_VERSION_INFO;
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#pragma pack()
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/**
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Get TCM capability permanent flags.
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@param[out] TcmPermanentFlags Pointer to the buffer for returned flag structure.
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@retval EFI_SUCCESS Operation completed successfully.
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@retval EFI_TIMEOUT The register can't run into the expected status in time.
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@retval EFI_BUFFER_TOO_SMALL Response data buffer is too small.
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@retval EFI_DEVICE_ERROR Unexpected device behavior.
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**/
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EFI_STATUS
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EFIAPI
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TcmGetCapabilityFlagPermanent (
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OUT TCM_PERMANENT_FLAGS *TcmPermanentFlags
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)
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{
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EFI_STATUS Status;
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TCM_CMD_GET_CAPABILITY Command;
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TCM_RSP_GET_CAPABILITY_PERMANENT_FLAGS Response;
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UINT32 Length;
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//
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// send Tcm command TCM_ORD_GetCapability
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//
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Command.Hdr.tag = SwapBytes16 (TCM_TAG_RQU_COMMAND);
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Command.Hdr.paramSize = SwapBytes32 (sizeof (Command));
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Command.Hdr.ordinal = SwapBytes32 (TCM_ORD_GetCapability);
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Command.Capability = SwapBytes32 (TCM_CAP_FLAG);
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Command.CapabilityFlagSize = SwapBytes32 (sizeof (TCM_CAP_FLAG_PERMANENT));
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Command.CapabilityFlag = SwapBytes32 (TCM_CAP_FLAG_PERMANENT);
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Length = sizeof (Response);
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Status = TcmSubmitCommand (sizeof (Command), (UINT8 *)&Command, &Length, (UINT8 *)&Response);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if (SwapBytes32 (Response.Hdr.returnCode) != TCM_SUCCESS) {
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DEBUG ((DEBUG_ERROR, "TcmGetCapabilityFlagPermanent: Response Code error! 0x%08x\r\n", SwapBytes32 (Response.Hdr.returnCode)));
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return EFI_DEVICE_ERROR;
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}
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ZeroMem (TcmPermanentFlags, sizeof (*TcmPermanentFlags));
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CopyMem (TcmPermanentFlags, &Response.Flags, MIN (sizeof (*TcmPermanentFlags), SwapBytes32(Response.ResponseSize)));
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return Status;
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}
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/**
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Get TCM capability volatile flags.
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@param[out] VolatileFlags Pointer to the buffer for returned flag structure.
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@retval EFI_SUCCESS Operation completed successfully.
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@retval EFI_DEVICE_ERROR The command was unsuccessful.
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**/
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EFI_STATUS
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EFIAPI
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TcmGetCapabilityFlagVolatile (
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OUT TCM_STCLEAR_FLAGS *VolatileFlags
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)
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{
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EFI_STATUS Status;
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TCM_CMD_GET_CAPABILITY Command;
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TCM_RSP_GET_CAPABILITY_STCLEAR_FLAGS Response;
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UINT32 Length;
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//
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// send Tcm command TCM_ORD_GetCapability
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//
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Command.Hdr.tag = SwapBytes16 (TCM_TAG_RQU_COMMAND);
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Command.Hdr.paramSize = SwapBytes32 (sizeof (Command));
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Command.Hdr.ordinal = SwapBytes32 (TCM_ORD_GetCapability);
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Command.Capability = SwapBytes32 (TCM_CAP_FLAG);
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Command.CapabilityFlagSize = SwapBytes32 (sizeof (TCM_CAP_FLAG_VOLATILE));
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Command.CapabilityFlag = SwapBytes32 (TCM_CAP_FLAG_VOLATILE);
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Length = sizeof (Response);
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Status = TcmSubmitCommand (sizeof (Command), (UINT8 *)&Command, &Length, (UINT8 *)&Response);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if (SwapBytes32 (Response.Hdr.returnCode) != TCM_SUCCESS) {
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DEBUG ((DEBUG_ERROR, "TcmGetCapabilityFlagVolatile: Response Code error! 0x%08x\r\n", SwapBytes32 (Response.Hdr.returnCode)));
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return EFI_DEVICE_ERROR;
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}
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ZeroMem (VolatileFlags, sizeof (*VolatileFlags));
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CopyMem (VolatileFlags, &Response.Flags, MIN (sizeof (*VolatileFlags), SwapBytes32(Response.ResponseSize)));
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return Status;
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}
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/**
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Get TCM capability property owner flags.
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@param[out] TcmOwner Returned owner flag.
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@retval EFI_SUCCESS Operation completed successfully.
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@retval EFI_TIMEOUT The register can't run into the expected status in time.
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@retval EFI_BUFFER_TOO_SMALL Response data buffer is too small.
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@retval EFI_DEVICE_ERROR Unexpected device behavior.
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**/
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EFI_STATUS
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EFIAPI
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TcmGetCapabilityPropertyOwner (
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OUT BOOLEAN *TcmOwner
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)
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{
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EFI_STATUS Status;
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TCM_CMD_GET_CAPABILITY Command;
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TCM_RSP_GET_CAPABILITY_PROP_OWNER Response;
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UINT32 Length;
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//
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// send Tcm command TCM_ORD_GetCapability
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//
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Command.Hdr.tag = SwapBytes16 (TCM_TAG_RQU_COMMAND);
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Command.Hdr.paramSize = SwapBytes32 (sizeof (Command));
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Command.Hdr.ordinal = SwapBytes32 (TCM_ORD_GetCapability);
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Command.Capability = SwapBytes32 (TCM_CAP_PROPERTY);
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Command.CapabilityFlagSize = SwapBytes32 (sizeof (TCM_CAP_PROP_OWNER));
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Command.CapabilityFlag = SwapBytes32 (TCM_CAP_PROP_OWNER);
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Length = sizeof (Response);
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Status = TcmSubmitCommand (sizeof (Command), (UINT8 *)&Command, &Length, (UINT8 *)&Response);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if (SwapBytes32 (Response.Hdr.returnCode) != TCM_SUCCESS) {
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DEBUG ((DEBUG_ERROR, "TcmGetCapabilityFlagPermanent: Response Code error! 0x%08x\r\n", SwapBytes32 (Response.Hdr.returnCode)));
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return EFI_DEVICE_ERROR;
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}
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*TcmOwner = Response.Owner;
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return Status;
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}
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/**
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Get TCM capability version value.
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@param[out] VersionInfo Returned version info.
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@retval EFI_SUCCESS Operation completed successfully.
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@retval EFI_TIMEOUT The register can't run into the expected status in time.
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@retval EFI_BUFFER_TOO_SMALL Response data buffer is too small.
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@retval EFI_DEVICE_ERROR Unexpected device behavior.
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**/
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EFI_STATUS
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EFIAPI
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TcmGetCapabilityVersionValue (
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OUT TCM_CAP_VERSION_INFO *VersionInfo
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)
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{
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EFI_STATUS Status;
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TCM_CMD_GET_CAPABILITY Command;
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TCM_RSP_GET_CAPABILITY_VERSION_INFO Response;
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UINT32 Length;
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//
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// send Tcm command TCM_ORD_GetCapability
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//
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Command.Hdr.tag = SwapBytes16 (TCM_TAG_RQU_COMMAND);
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Command.Hdr.paramSize = SwapBytes32 (sizeof (Command));
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Command.Hdr.ordinal = SwapBytes32 (TCM_ORD_GetCapability);
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Command.Capability = SwapBytes32 (TCM_CAP_VERSION_VAL);
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Command.CapabilityFlagSize = SwapBytes32 (sizeof (TCM_CAP_VERSION_VAL));
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Command.CapabilityFlag = SwapBytes32 (TCM_CAP_VERSION_VAL);
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Length = sizeof (Response);
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Status = TcmSubmitCommand (sizeof (Command), (UINT8 *)&Command, &Length, (UINT8 *)&Response);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if (SwapBytes32 (Response.Hdr.returnCode) != TCM_SUCCESS) {
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DEBUG ((DEBUG_ERROR, "TcmGetCapabilityFlagPermanent: Response Code error! 0x%08x\r\n", SwapBytes32 (Response.Hdr.returnCode)));
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return EFI_DEVICE_ERROR;
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}
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ZeroMem (VersionInfo, sizeof (*VersionInfo));
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CopyMem (VersionInfo, &Response.VersionInfo, MIN (sizeof (*VersionInfo), SwapBytes32(Response.ResponseSize)));
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return Status;
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}
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