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/** @file
OP-TEE specific header file.
Copyright (c) 2018, Linaro Ltd. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _OPTEE_H_
#define _OPTEE_H_
/*
* The 'Trusted OS Call UID' is supposed to return the following UUID for
* OP-TEE OS. This is a 128-bit value.
*/
#define OPTEE_OS_UID0 0x384fb3e0
#define OPTEE_OS_UID1 0xe7f811e3
#define OPTEE_OS_UID2 0xaf630002
#define OPTEE_OS_UID3 0xa5d5c51b
#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_NONE 0x0
#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_VALUE_INPUT 0x1
#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_VALUE_OUTPUT 0x2
#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_VALUE_INOUT 0x3
#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_MEMORY_INPUT 0x9
#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_MEMORY_OUTPUT 0xa
#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_MEMORY_INOUT 0xb
#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_MASK 0xff
#define OPTEE_SUCCESS 0x00000000
#define OPTEE_ORIGIN_COMMUNICATION 0x00000002
#define OPTEE_ERROR_COMMUNICATION 0xFFFF000E
typedef struct {
UINT64 BufferAddress;
UINT64 Size;
UINT64 SharedMemoryReference;
} OPTEE_MESSAGE_PARAM_MEMORY;
typedef struct {
UINT64 A;
UINT64 B;
UINT64 C;
} OPTEE_MESSAGE_PARAM_VALUE;
typedef struct {
UINT64 Attribute;
union {
OPTEE_MESSAGE_PARAM_MEMORY Memory;
OPTEE_MESSAGE_PARAM_VALUE Value;
} Union;
} OPTEE_MESSAGE_PARAM;
#define OPTEE_MAX_CALL_PARAMS 4
typedef struct {
UINT32 Command;
UINT32 Function;
UINT32 Session;
UINT32 CancelId;
UINT32 Pad;
UINT32 Return;
UINT32 ReturnOrigin;
UINT32 NumParams;
// NumParams tells the actual number of element in Params
OPTEE_MESSAGE_PARAM Params[OPTEE_MAX_CALL_PARAMS];
} OPTEE_MESSAGE_ARG;
typedef struct {
EFI_GUID Uuid; // [in] GUID/UUID of the Trusted Application
UINT32 Session; // [out] Session id
UINT32 Return; // [out] Return value
UINT32 ReturnOrigin; // [out] Origin of the return value
} OPTEE_OPEN_SESSION_ARG;
typedef struct {
UINT32 Function; // [in] Trusted Application function, specific to the TA
UINT32 Session; // [in] Session id
UINT32 Return; // [out] Return value
UINT32 ReturnOrigin; // [out] Origin of the return value
OPTEE_MESSAGE_PARAM Params[OPTEE_MAX_CALL_PARAMS]; // Params for function to be invoked
} OPTEE_INVOKE_FUNCTION_ARG;
BOOLEAN
EFIAPI
IsOpteePresent (
VOID
);
EFI_STATUS
EFIAPI
OpteeInit (
VOID
);
EFI_STATUS
EFIAPI
OpteeOpenSession (
IN OUT OPTEE_OPEN_SESSION_ARG *OpenSessionArg
);
EFI_STATUS
EFIAPI
OpteeCloseSession (
IN UINT32 Session
);
EFI_STATUS
EFIAPI
OpteeInvokeFunction (
IN OUT OPTEE_INVOKE_FUNCTION_ARG *InvokeFunctionArg
);
#endif
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