1 /* 2 * Copyright (c) 2014, STMicroelectronics International N.V. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef USER_TA_HEADER_H 29 #define USER_TA_HEADER_H 30 31 #include <tee_api_types.h> 32 33 34 #define TA_FLAG_USER_MODE (1 << 0) 35 #define TA_FLAG_EXEC_DDR (1 << 1) 36 #define TA_FLAG_SINGLE_INSTANCE (1 << 2) 37 #define TA_FLAG_MULTI_SESSION (1 << 3) 38 #define TA_FLAG_INSTANCE_KEEP_ALIVE (1 << 4) /* remains after last close */ 39 /* 40 * TA_FLAG_UNSAFE_NW_PARAMS: May manipulate some secure memory based on 41 * physical pointers from non-secure world 42 */ 43 #define TA_FLAG_UNSAFE_NW_PARAMS (1 << 5) 44 #define TA_FLAG_REMAP_SUPPORT (1 << 6) /* use map/unmap syscalls */ 45 #define TA_FLAG_CACHE_MAINTENANCE (1 << 7) /* use cache flush syscall */ 46 47 struct ta_head { 48 TEE_UUID uuid; 49 uint32_t stack_size; 50 uint32_t flags; 51 uint32_t open_session; 52 uint32_t close_session; 53 uint32_t invoke_command; 54 }; 55 56 #define TA_PROP_STR_SINGLE_INSTANCE "gpd.ta.singleInstance" 57 #define TA_PROP_STR_MULTI_SESSION "gpd.ta.multiSession" 58 #define TA_PROP_STR_KEEP_ALIVE "gpd.ta.instanceKeepAlive" 59 #define TA_PROP_STR_DATA_SIZE "gpd.ta.dataSize" 60 #define TA_PROP_STR_STACK_SIZE "gpd.ta.stackSize" 61 #define TA_PROP_STR_VERSION "gpd.ta.version" 62 #define TA_PROP_STR_DESCRIPTION "gpd.ta.description" 63 #define TA_PROP_STR_UNSAFE_PARAM "op-tee.unsafe_param" 64 #define TA_PROP_STR_REMAP "op-tee.remap" 65 #define TA_PROP_STR_CACHE_SYNC "op-tee.cache_sync" 66 67 enum user_ta_prop_type { 68 USER_TA_PROP_TYPE_BOOL, /* bool */ 69 USER_TA_PROP_TYPE_U32, /* uint32_t */ 70 USER_TA_PROP_TYPE_UUID, /* TEE_UUID */ 71 USER_TA_PROP_TYPE_IDENTITY, /* TEE_Identity */ 72 USER_TA_PROP_TYPE_STRING, /* zero terminated string of char */ 73 USER_TA_PROP_TYPE_BINARY_BLOCK, /* zero terminated base64 coded string */ 74 }; 75 76 enum user_ta_core_service_id { 77 USER_TA_CORE_ENTRY_MATH_INIT = 0x00000010, 78 USER_TA_CORE_ENTRY_GARBAGE = 0x00000011, 79 USER_TA_CORE_ENTRY_CLOSESESSION = 0x00000012, 80 }; 81 82 struct user_ta_property { 83 const char *name; 84 enum user_ta_prop_type type; 85 const void *value; 86 }; 87 88 extern const struct user_ta_property ta_props[]; 89 extern const size_t ta_num_props; 90 91 /* Needed by TEE_CheckMemoryAccessRights() */ 92 extern uint32_t ta_param_types; 93 extern TEE_Param ta_params[4]; 94 95 /* Trusted Application Function header */ 96 typedef struct ta_func_head { 97 uint32_t cmd_id; /* Trusted Application Function ID */ 98 uint32_t start; /* offset to start func */ 99 } ta_func_head_t; 100 101 typedef struct { 102 /* Same Prefix as ta_head_t */ 103 TEE_UUID uuid; 104 const char *name; 105 uint32_t flags; 106 107 /* properties */ 108 uint32_t prop_datasize; 109 uint32_t prop_stacksize; 110 uint32_t prop_tracelevel; 111 112 const ta_func_head_t *funcs; 113 uint32_t nbr_func; 114 TEE_Result(*create_entry_point) (void); 115 void (*destroy_entry_point) (void); 116 TEE_Result(*open_session_entry_point) (uint32_t nParamTypes, 117 TEE_Param pParams[4], 118 void **ppSessionContext); 119 void (*close_session_entry_point) (void *pSessionContext); 120 TEE_Result(*invoke_command_entry_point) (void *pSessionContext, 121 uint32_t nCommandID, 122 uint32_t nParamTypes, 123 TEE_Param pParams[4]); 124 TEE_Result(*core_entries) (uint32_t nServiceId, uint32_t nParamTypes, 125 TEE_Param pParam[4]); 126 } ta_static_head_t; 127 128 int tahead_get_trace_level(void); 129 130 #endif /* USER_TA_HEADER_H */ 131