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121 lines
3.2 KiB
C
121 lines
3.2 KiB
C
/** @file
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OP-TEE specific header file.
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Copyright (c) 2018, Linaro Ltd. All rights reserved.<BR>
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Copyright (c) 2021, Arm Limited. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef OPTEE_LIB_H_
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#define OPTEE_LIB_H_
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/*
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* The 'Trusted OS Call UID' is supposed to return the following UUID for
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* OP-TEE OS. This is a 128-bit value.
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*/
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#define OPTEE_OS_UID0 0x384fb3e0
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#define OPTEE_OS_UID1 0xe7f811e3
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#define OPTEE_OS_UID2 0xaf630002
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#define OPTEE_OS_UID3 0xa5d5c51b
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#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_NONE 0x0
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#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_VALUE_INPUT 0x1
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#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_VALUE_OUTPUT 0x2
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#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_VALUE_INOUT 0x3
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#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_MEMORY_INPUT 0x9
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#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_MEMORY_OUTPUT 0xa
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#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_MEMORY_INOUT 0xb
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#define OPTEE_MESSAGE_ATTRIBUTE_TYPE_MASK 0xff
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#define OPTEE_SUCCESS 0x00000000
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#define OPTEE_ORIGIN_COMMUNICATION 0x00000002
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#define OPTEE_ERROR_COMMUNICATION 0xFFFF000E
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typedef struct {
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UINT64 BufferAddress;
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UINT64 Size;
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UINT64 SharedMemoryReference;
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} OPTEE_MESSAGE_PARAM_MEMORY;
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typedef struct {
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UINT64 A;
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UINT64 B;
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UINT64 C;
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} OPTEE_MESSAGE_PARAM_VALUE;
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typedef union {
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OPTEE_MESSAGE_PARAM_MEMORY Memory;
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OPTEE_MESSAGE_PARAM_VALUE Value;
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} OPTEE_MESSAGE_PARAM_UNION;
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typedef struct {
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UINT64 Attribute;
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OPTEE_MESSAGE_PARAM_UNION Union;
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} OPTEE_MESSAGE_PARAM;
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#define OPTEE_MAX_CALL_PARAMS 4
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typedef struct {
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UINT32 Command;
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UINT32 Function;
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UINT32 Session;
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UINT32 CancelId;
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UINT32 Pad;
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UINT32 Return;
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UINT32 ReturnOrigin;
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UINT32 NumParams;
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// NumParams tells the actual number of element in Params
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OPTEE_MESSAGE_PARAM Params[OPTEE_MAX_CALL_PARAMS];
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} OPTEE_MESSAGE_ARG;
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typedef struct {
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EFI_GUID Uuid; // [in] GUID/UUID of the Trusted Application
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UINT32 Session; // [out] Session id
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UINT32 Return; // [out] Return value
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UINT32 ReturnOrigin; // [out] Origin of the return value
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} OPTEE_OPEN_SESSION_ARG;
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typedef struct {
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UINT32 Function; // [in] Trusted Application function, specific to the TA
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UINT32 Session; // [in] Session id
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UINT32 Return; // [out] Return value
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UINT32 ReturnOrigin; // [out] Origin of the return value
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OPTEE_MESSAGE_PARAM Params[OPTEE_MAX_CALL_PARAMS]; // Params for function to be invoked
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} OPTEE_INVOKE_FUNCTION_ARG;
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BOOLEAN
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EFIAPI
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IsOpteePresent (
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VOID
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);
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EFI_STATUS
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EFIAPI
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OpteeInit (
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VOID
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);
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EFI_STATUS
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EFIAPI
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OpteeOpenSession (
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IN OUT OPTEE_OPEN_SESSION_ARG *OpenSessionArg
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);
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EFI_STATUS
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EFIAPI
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OpteeCloseSession (
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IN UINT32 Session
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);
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EFI_STATUS
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EFIAPI
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OpteeInvokeFunction (
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IN OUT OPTEE_INVOKE_FUNCTION_ARG *InvokeFunctionArg
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);
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#endif // OPTEE_LIB_H_
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