forked from rrcarlosr/Jetpack
137 lines
4.7 KiB
C
137 lines
4.7 KiB
C
/*
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* Copyright (c) 2016-2018 NVIDIA Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*/
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#ifndef _TRUSTY_OTE_H_
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#define __TRUSTY_OTE_H_
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/*
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* NOTE: These OTE structures need to be in sync with the ones defined on
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* $TOP/ote/lib
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*/
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/*! Specifies the operation object's parameter types. */
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typedef enum {
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TE_PARAM_TYPE_NONE = 0x0,
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TE_PARAM_TYPE_INT_RO = 0x1,
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TE_PARAM_TYPE_INT_RW = 0x2,
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TE_PARAM_TYPE_MEM_RO = 0x3,
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TE_PARAM_TYPE_MEM_RW = 0x4,
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TE_PARAM_TYPE_PERSIST_MEM_RO = 0x100,
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TE_PARAM_TYPE_PERSIST_MEM_RW = 0x101
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} te_oper_param_type_t;
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/** Defines Open Trusted Environment (OTE) error codes. */
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typedef enum {
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/// Indicates the operation was successful.
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OTE_SUCCESS = 0x00000000,
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/// Indicates the operation was successful.
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OTE_ERROR_NO_ERROR = 0x00000000,
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/// Indicates an unspecified error occurred.
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OTE_ERROR_GENERIC = 0xFFFF0000,
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/// Indicates access privileges are insufficient.
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OTE_ERROR_ACCESS_DENIED = 0xFFFF0001,
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/// Indicates the operation was cancelled.
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OTE_ERROR_CANCEL = 0xFFFF0002,
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/// Indicates a concurrent accesses conflict.
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OTE_ERROR_ACCESS_CONFLICT = 0xFFFF0003,
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/// Indicates data passed exceeds request.
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OTE_ERROR_EXCESS_DATA = 0xFFFF0004,
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/// Indicates input data is in an invalid format.
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OTE_ERROR_BAD_FORMAT = 0xFFFF0005,
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/// Indicates input parameters are invalid.
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OTE_ERROR_BAD_PARAMETERS = 0xFFFF0006,
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/// Indicates the operation is invalid in its current state.
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OTE_ERROR_BAD_STATE = 0xFFFF0007,
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/// Indicates the requested data item was not found.
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OTE_ERROR_ITEM_NOT_FOUND = 0xFFFF0008,
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/// Indicates the requested operation was not implemented.
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OTE_ERROR_NOT_IMPLEMENTED = 0xFFFF0009,
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/// Indicates the requested operation is not supported.
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OTE_ERROR_NOT_SUPPORTED = 0xFFFF000A,
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/// Indicates the data expected is missing.
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OTE_ERROR_NO_DATA = 0xFFFF000B,
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/// Indicates the system ran out of resources.
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OTE_ERROR_OUT_OF_MEMORY = 0xFFFF000C,
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/// Indicates the system is busy.
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OTE_ERROR_BUSY = 0xFFFF000D,
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/// Indicates that communication failed.
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OTE_ERROR_COMMUNICATION = 0xFFFF000E,
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/// Indicates a security fault was detected.
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OTE_ERROR_SECURITY = 0xFFFF000F,
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/// Indicates the supplied buffer is too short.
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OTE_ERROR_SHORT_BUFFER = 0xFFFF0010,
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/// Task administratively blocked, does not accept new sessions.
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OTE_ERROR_BLOCKED = 0xFFFF0011,
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/// Indicates no answer was received from the command target.
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OTE_ERROR_NO_ANSWER = 0xFFFF1003,
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} te_error_t;
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/*
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* Serialized buffer format
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* +-------------------------------------------------------------------+
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* | Stream header | Payload 1 header | Payload 1| [More payload |
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* | (stream_header_t)| (payload_header_t)| (data) | header + data] |
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* +-------------------------------------------------------------------+
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*/
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#define STREAM_HEADER_MAGIC 0xfeedbeefU
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#define STREAM_HEADER_CUR_VERSION 0x1U
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#define PAYLOAD_HEADER_MAGIC 0xcafebabeU
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#define STREAM_META_HEADER_LEN (sizeof(stream_header_t))
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#define PAYLOAD_META_HEADER_LEN (sizeof(payload_header_t))
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/*
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* Defines maximum chunk size allowed by the trusty kernel to pass in a single
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* SMC call. This value is referenced from Android Open Source implementation
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* of secure storage proxy daemon.
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*/
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#define TIPC_MAX_CHUNK_SIZE 4040U
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/*
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* @brief payload meta data header
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* @magic payload header magic
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* @type payload_type_t object
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* @index te_operation_t object linked list index
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* @length length of the payload followed by the header
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*/
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typedef struct {
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uint32_t magic;
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te_oper_param_type_t type;
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uint32_t index;
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uint32_t length;
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} payload_header_t;
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/*
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* @brief stream meta data header
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* @magic 4 byte id
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* @version version of the serialized buffer format
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* @command te_operation_t object command
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* @status te_operation_t object status code
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* @interface_side te_operation_t object interface side
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* @num_entries number of payload entries in the serialized buffer
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* @total_length length of the serialized buffer
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*/
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typedef struct {
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uint32_t magic;
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uint32_t version;
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uint32_t command;
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te_error_t status;
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uint32_t interface_side;
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uint32_t num_entries;
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uint32_t total_length;
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} stream_header_t;
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#endif
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