Optee.c File Reference

#include <Library/ArmMmuLib.h>
#include <Library/ArmSmcLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/OpteeLib.h>
#include <IndustryStandard/ArmStdSmc.h>
#include <OpteeSmc.h>
#include <Uefi.h>

Go to the source code of this file.

Functions
BOOLEAN EFIAPI	IsOpteePresent (VOID)
STATIC EFI_STATUS	OpteeSharedMemoryRemap (VOID)
EFI_STATUS EFIAPI	OpteeInit (VOID)
STATIC BOOLEAN	IsOpteeSmcReturnRpc (UINT32 Return)
STATIC UINT32	OpteeCallWithArg (IN UINT64 PhysicalArg)
STATIC VOID	EfiGuidToRfc4122Uuid (OUT RFC4122_UUID *Rfc4122Uuid, IN EFI_GUID *Guid)
EFI_STATUS EFIAPI	OpteeOpenSession (IN OUT OPTEE_OPEN_SESSION_ARG *OpenSessionArg)
EFI_STATUS EFIAPI	OpteeCloseSession (IN UINT32 Session)
STATIC EFI_STATUS	OpteeToMessageParam (OUT OPTEE_MESSAGE_PARAM *MessageParams, IN UINT32 NumParams, IN OPTEE_MESSAGE_PARAM *InParams)
STATIC EFI_STATUS	OpteeFromMessageParam (OUT OPTEE_MESSAGE_PARAM *OutParams, IN UINT32 NumParams, IN OPTEE_MESSAGE_PARAM *MessageParams)
EFI_STATUS EFIAPI	OpteeInvokeFunction (IN OUT OPTEE_INVOKE_FUNCTION_ARG *InvokeFunctionArg)

Variables
STATIC OPTEE_SHARED_MEMORY_INFORMATION	OpteeSharedMemoryInformation = { 0 }

Detailed Description

Api's to communicate with OP-TEE OS (Trusted OS based on ARM TrustZone) via secure monitor calls.

Copyright (c) 2018, Linaro Ltd. All rights reserved.
Copyright (c) 2021, Arm Limited. All rights reserved.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file Optee.c.

Function Documentation

EfiGuidToRfc4122Uuid()

STATIC VOID EfiGuidToRfc4122Uuid	(	OUT RFC4122_UUID *	Rfc4122Uuid,
		IN EFI_GUID *	Guid
	)

Definition at line 189 of file Optee.c.

IsOpteePresent()

BOOLEAN EFIAPI IsOpteePresent

(

VOID

)

Check for OP-TEE presence.

Definition at line 30 of file Optee.c.

IsOpteeSmcReturnRpc()

STATIC BOOLEAN IsOpteeSmcReturnRpc

(

UINT32

Return

)

Definition at line 129 of file Optee.c.

OpteeCallWithArg()

STATIC UINT32 OpteeCallWithArg

(

IN UINT64

PhysicalArg

)

Does Standard SMC to OP-TEE in secure world.

Parameters

[in]

PhysicalArg

Physical address of message to pass to secure world

Returns

0 on success, secure world return code otherwise

Definition at line 148 of file Optee.c.

OpteeCloseSession()

EFI_STATUS EFIAPI OpteeCloseSession

(

IN UINT32

Session

)

Definition at line 251 of file Optee.c.

OpteeFromMessageParam()

STATIC EFI_STATUS OpteeFromMessageParam	(	OUT OPTEE_MESSAGE_PARAM *	OutParams,
		IN UINT32	NumParams,
		IN OPTEE_MESSAGE_PARAM *	MessageParams
	)

Definition at line 350 of file Optee.c.

OpteeInit()

EFI_STATUS EFIAPI OpteeInit

(

VOID

)

Definition at line 107 of file Optee.c.

OpteeInvokeFunction()

EFI_STATUS EFIAPI OpteeInvokeFunction

(

IN OUT OPTEE_INVOKE_FUNCTION_ARG *

InvokeFunctionArg

)

Definition at line 409 of file Optee.c.

OpteeOpenSession()

EFI_STATUS EFIAPI OpteeOpenSession

(

IN OUT OPTEE_OPEN_SESSION_ARG *

OpenSessionArg

)

Definition at line 202 of file Optee.c.

OpteeSharedMemoryRemap()

STATIC EFI_STATUS OpteeSharedMemoryRemap

(

VOID

)

Definition at line 54 of file Optee.c.

OpteeToMessageParam()

STATIC EFI_STATUS OpteeToMessageParam	(	OUT OPTEE_MESSAGE_PARAM *	MessageParams,
		IN UINT32	NumParams,
		IN OPTEE_MESSAGE_PARAM *	InParams
	)

Definition at line 277 of file Optee.c.

Variable Documentation

OpteeSharedMemoryInformation

STATIC OPTEE_SHARED_MEMORY_INFORMATION OpteeSharedMemoryInformation = { 0 }

Definition at line 23 of file Optee.c.