1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (c) 2014, STMicroelectronics International N.V. 4 * Copyright (c) 2018, Linaro Limited. 5 */ 6 7 #ifndef USER_TA_HEADER_H 8 #define USER_TA_HEADER_H 9 10 #include <tee_api_types.h> 11 #include <util.h> 12 13 #define TA_FLAG_USER_MODE 0 /* Deprecated, was (1 << 0) */ 14 #define TA_FLAG_EXEC_DDR 0 /* Deprecated, was (1 << 1) */ 15 #define TA_FLAG_SINGLE_INSTANCE (1 << 2) 16 #define TA_FLAG_MULTI_SESSION (1 << 3) 17 #define TA_FLAG_INSTANCE_KEEP_ALIVE (1 << 4) /* remains after last close */ 18 #define TA_FLAG_SECURE_DATA_PATH (1 << 5) /* accesses SDP memory */ 19 #define TA_FLAG_REMAP_SUPPORT 0 /* Deprecated, was (1 << 6) */ 20 #define TA_FLAG_CACHE_MAINTENANCE (1 << 7) /* use cache flush syscall */ 21 /* 22 * TA instance can execute multiple sessions concurrently 23 * (pseudo-TAs only). 24 */ 25 #define TA_FLAG_CONCURRENT (1 << 8) 26 #define TA_FLAG_DEVICE_ENUM (1 << 9) /* device enumeration */ 27 28 #define TA_FLAGS_MASK GENMASK_32(9, 0) 29 30 struct ta_head { 31 TEE_UUID uuid; 32 uint32_t stack_size; 33 uint32_t flags; 34 uint64_t depr_entry; 35 }; 36 37 #if defined(CFG_TA_FTRACE_SUPPORT) 38 #define FTRACE_RETFUNC_DEPTH 50 39 union compat_ptr { 40 uint64_t ptr64; 41 struct { 42 uint32_t lo; 43 uint32_t hi; 44 } ptr32; 45 }; 46 47 struct __ftrace_info { 48 union compat_ptr buf_start; 49 union compat_ptr buf_end; 50 union compat_ptr ret_ptr; 51 }; 52 53 struct ftrace_buf { 54 uint64_t ret_func_ptr; /* __ftrace_return pointer */ 55 uint64_t ret_stack[FTRACE_RETFUNC_DEPTH]; /* Return stack */ 56 uint32_t ret_idx; /* Return stack index */ 57 uint32_t lr_idx; /* lr index used for stack unwinding */ 58 uint32_t curr_size; /* Size of ftrace buffer */ 59 uint32_t max_size; /* Max allowed size of ftrace buffer */ 60 uint32_t head_off; /* Ftrace buffer header offset */ 61 uint32_t buf_off; /* Ftrace buffer offset */ 62 }; 63 64 /* Defined by the linker script */ 65 extern struct ftrace_buf __ftrace_buf_start; 66 extern uint8_t __ftrace_buf_end[]; 67 68 unsigned long ftrace_return(void); 69 void __ftrace_return(void); 70 #endif 71 72 #define TA_PROP_STR_SINGLE_INSTANCE "gpd.ta.singleInstance" 73 #define TA_PROP_STR_MULTI_SESSION "gpd.ta.multiSession" 74 #define TA_PROP_STR_KEEP_ALIVE "gpd.ta.instanceKeepAlive" 75 #define TA_PROP_STR_DATA_SIZE "gpd.ta.dataSize" 76 #define TA_PROP_STR_STACK_SIZE "gpd.ta.stackSize" 77 #define TA_PROP_STR_VERSION "gpd.ta.version" 78 #define TA_PROP_STR_DESCRIPTION "gpd.ta.description" 79 #define TA_PROP_STR_UNSAFE_PARAM "op-tee.unsafe_param" 80 #define TA_PROP_STR_REMAP "op-tee.remap" 81 #define TA_PROP_STR_CACHE_SYNC "op-tee.cache_sync" 82 83 enum user_ta_prop_type { 84 USER_TA_PROP_TYPE_BOOL, /* bool */ 85 USER_TA_PROP_TYPE_U32, /* uint32_t */ 86 USER_TA_PROP_TYPE_UUID, /* TEE_UUID */ 87 USER_TA_PROP_TYPE_IDENTITY, /* TEE_Identity */ 88 USER_TA_PROP_TYPE_STRING, /* zero terminated string of char */ 89 USER_TA_PROP_TYPE_BINARY_BLOCK, /* zero terminated base64 coded string */ 90 }; 91 92 enum user_ta_core_service_id { 93 USER_TA_CORE_ENTRY_MATH_INIT = 0x00000010, 94 USER_TA_CORE_ENTRY_GARBAGE = 0x00000011, 95 USER_TA_CORE_ENTRY_CLOSESESSION = 0x00000012, 96 }; 97 98 struct user_ta_property { 99 const char *name; 100 enum user_ta_prop_type type; 101 const void *value; 102 }; 103 104 extern const struct user_ta_property ta_props[]; 105 extern const size_t ta_num_props; 106 107 /* Needed by TEE_CheckMemoryAccessRights() */ 108 extern uint32_t ta_param_types; 109 extern TEE_Param ta_params[TEE_NUM_PARAMS]; 110 111 /* Trusted Application Function header */ 112 typedef struct ta_func_head { 113 uint32_t cmd_id; /* Trusted Application Function ID */ 114 uint32_t start; /* offset to start func */ 115 } ta_func_head_t; 116 117 int tahead_get_trace_level(void); 118 119 #endif /* USER_TA_HEADER_H */ 120