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 struct __ftrace_info { 40 uintptr_t buf_start; 41 uintptr_t buf_end; 42 uintptr_t ret_ptr; 43 }; 44 45 struct ftrace_buf { 46 uint64_t ret_func_ptr; /* __ftrace_return pointer */ 47 uint64_t ret_stack[FTRACE_RETFUNC_DEPTH]; /* Return stack */ 48 uint32_t ret_idx; /* Return stack index */ 49 uint32_t lr_idx; /* lr index used for stack unwinding */ 50 uint32_t curr_size; /* Size of ftrace buffer */ 51 uint32_t max_size; /* Max allowed size of ftrace buffer */ 52 uint32_t head_off; /* Ftrace buffer header offset */ 53 uint32_t buf_off; /* Ftrace buffer offset */ 54 }; 55 56 /* Defined by the linker script */ 57 extern struct ftrace_buf __ftrace_buf_start; 58 extern uint8_t __ftrace_buf_end[]; 59 60 unsigned long ftrace_return(void); 61 void __ftrace_return(void); 62 #endif 63 64 #define TA_PROP_STR_SINGLE_INSTANCE "gpd.ta.singleInstance" 65 #define TA_PROP_STR_MULTI_SESSION "gpd.ta.multiSession" 66 #define TA_PROP_STR_KEEP_ALIVE "gpd.ta.instanceKeepAlive" 67 #define TA_PROP_STR_DATA_SIZE "gpd.ta.dataSize" 68 #define TA_PROP_STR_STACK_SIZE "gpd.ta.stackSize" 69 #define TA_PROP_STR_VERSION "gpd.ta.version" 70 #define TA_PROP_STR_DESCRIPTION "gpd.ta.description" 71 #define TA_PROP_STR_UNSAFE_PARAM "op-tee.unsafe_param" 72 #define TA_PROP_STR_REMAP "op-tee.remap" 73 #define TA_PROP_STR_CACHE_SYNC "op-tee.cache_sync" 74 75 enum user_ta_prop_type { 76 USER_TA_PROP_TYPE_BOOL, /* bool */ 77 USER_TA_PROP_TYPE_U32, /* uint32_t */ 78 USER_TA_PROP_TYPE_UUID, /* TEE_UUID */ 79 USER_TA_PROP_TYPE_IDENTITY, /* TEE_Identity */ 80 USER_TA_PROP_TYPE_STRING, /* zero terminated string of char */ 81 USER_TA_PROP_TYPE_BINARY_BLOCK, /* zero terminated base64 coded string */ 82 }; 83 84 enum user_ta_core_service_id { 85 USER_TA_CORE_ENTRY_MATH_INIT = 0x00000010, 86 USER_TA_CORE_ENTRY_GARBAGE = 0x00000011, 87 USER_TA_CORE_ENTRY_CLOSESESSION = 0x00000012, 88 }; 89 90 struct user_ta_property { 91 const char *name; 92 enum user_ta_prop_type type; 93 const void *value; 94 }; 95 96 extern const struct user_ta_property ta_props[]; 97 extern const size_t ta_num_props; 98 99 /* Needed by TEE_CheckMemoryAccessRights() */ 100 extern uint32_t ta_param_types; 101 extern TEE_Param ta_params[TEE_NUM_PARAMS]; 102 103 /* Trusted Application Function header */ 104 typedef struct ta_func_head { 105 uint32_t cmd_id; /* Trusted Application Function ID */ 106 uint32_t start; /* offset to start func */ 107 } ta_func_head_t; 108 109 int tahead_get_trace_level(void); 110 111 #endif /* USER_TA_HEADER_H */ 112