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 #ifndef UTEE_SYSCALLS_H 28 #define UTEE_SYSCALLS_H 29 30 #include <compiler.h> 31 #include <stddef.h> 32 #include <stdint.h> 33 34 #include <utee_types.h> 35 #include <tee_api_types.h> 36 #include <trace.h> 37 38 void utee_return(uint32_t ret) __noreturn; 39 40 void utee_log(const void *buf, size_t len); 41 42 void utee_panic(uint32_t code) __noreturn; 43 44 uint32_t utee_dummy(uint32_t *a); 45 46 uint32_t utee_dummy_7args(uint32_t a1, uint32_t a2, uint32_t a3, uint32_t a4, 47 uint32_t a5, uint32_t a6, uint32_t a7); 48 49 uint32_t utee_nocall(void); 50 51 TEE_Result utee_get_property(enum utee_property prop, void *buf, uint32_t len); 52 53 TEE_Result utee_open_ta_session(const TEE_UUID *dest, 54 uint32_t cancel_req_to, uint32_t param_types, 55 TEE_Param params[4], TEE_TASessionHandle *sess, 56 uint32_t *ret_orig); 57 58 TEE_Result utee_close_ta_session(TEE_TASessionHandle sess); 59 60 TEE_Result utee_invoke_ta_command(TEE_TASessionHandle sess, 61 uint32_t cancel_req_to, uint32_t cmd_id, 62 uint32_t param_types, TEE_Param params[4], 63 uint32_t *ret_orig); 64 65 TEE_Result utee_check_access_rights(uint32_t flags, const void *buf, 66 size_t len); 67 68 TEE_Result utee_get_cancellation_flag(bool *cancel); 69 70 TEE_Result utee_unmask_cancellation(bool *old_mask); 71 72 TEE_Result utee_mask_cancellation(bool *old_mask); 73 74 TEE_Result utee_wait(uint32_t timeout); 75 76 TEE_Result utee_get_time(enum utee_time_category cat, TEE_Time *time); 77 78 TEE_Result utee_set_ta_time(const TEE_Time *time); 79 80 TEE_Result utee_cryp_state_alloc(uint32_t algo, uint32_t op_mode, 81 uint32_t key1, uint32_t key2, 82 uint32_t *state); 83 TEE_Result utee_cryp_state_copy(uint32_t dst, uint32_t src); 84 TEE_Result utee_cryp_state_free(uint32_t state); 85 86 /* iv and iv_len are ignored for some algorithms */ 87 TEE_Result utee_hash_init(uint32_t state, const void *iv, size_t iv_len); 88 TEE_Result utee_hash_update(uint32_t state, const void *chunk, 89 size_t chunk_size); 90 TEE_Result utee_hash_final(uint32_t state, const void *chunk, 91 size_t chunk_size, void *hash, size_t *hash_len); 92 93 TEE_Result utee_cipher_init(uint32_t state, const void *iv, size_t iv_len); 94 TEE_Result utee_cipher_update(uint32_t state, const void *src, size_t src_len, 95 void *dest, size_t *dest_len); 96 TEE_Result utee_cipher_final(uint32_t state, const void *src, size_t src_len, 97 void *dest, size_t *dest_len); 98 99 /* Generic Object Functions */ 100 TEE_Result utee_cryp_obj_get_info(uint32_t obj, TEE_ObjectInfo *info); 101 TEE_Result utee_cryp_obj_restrict_usage(uint32_t obj, uint32_t usage); 102 TEE_Result utee_cryp_obj_get_attr(uint32_t obj, uint32_t attr_id, 103 void *buffer, size_t *size); 104 105 /* Transient Object Functions */ 106 TEE_Result utee_cryp_obj_alloc(TEE_ObjectType type, uint32_t max_size, 107 uint32_t *obj); 108 TEE_Result utee_cryp_obj_close(uint32_t obj); 109 TEE_Result utee_cryp_obj_reset(uint32_t obj); 110 TEE_Result utee_cryp_obj_populate(uint32_t obj, TEE_Attribute *attrs, 111 uint32_t attr_count); 112 TEE_Result utee_cryp_obj_copy(uint32_t dst_obj, uint32_t src_obj); 113 114 TEE_Result utee_cryp_obj_generate_key(uint32_t obj, uint32_t key_size, 115 const TEE_Attribute *params, 116 uint32_t param_count); 117 118 TEE_Result utee_cryp_derive_key(uint32_t state, const TEE_Attribute *params, 119 uint32_t param_count, uint32_t derived_key); 120 121 TEE_Result utee_cryp_random_number_generate(void *buf, size_t blen); 122 123 TEE_Result utee_authenc_init(uint32_t state, const void *nonce, 124 size_t nonce_len, size_t tag_len, size_t aad_len, 125 size_t payload_len); 126 TEE_Result utee_authenc_update_aad(uint32_t state, const void *aad_data, 127 size_t aad_data_len); 128 TEE_Result utee_authenc_update_payload(uint32_t state, const void *src_data, 129 size_t src_len, void *dest_data, 130 size_t *dest_len); 131 TEE_Result utee_authenc_enc_final(uint32_t state, const void *src_data, 132 size_t src_len, void *dest_data, 133 size_t *dest_len, void *tag, 134 size_t *tag_len); 135 TEE_Result utee_authenc_dec_final(uint32_t state, const void *src_data, 136 size_t src_len, void *dest_data, 137 size_t *dest_len, const void *tag, 138 size_t tag_len); 139 140 TEE_Result utee_asymm_operate(uint32_t state, const TEE_Attribute *params, 141 uint32_t num_params, const void *src_data, 142 size_t src_len, void *dest_data, 143 size_t *dest_len); 144 145 TEE_Result utee_asymm_verify(uint32_t state, 146 const TEE_Attribute *params, uint32_t num_params, 147 const void *data, size_t data_len, const void *sig, 148 size_t sig_len); 149 150 /* Persistant Object Functions */ 151 TEE_Result utee_storage_obj_open(uint32_t storage_id, void *object_id, 152 uint32_t object_id_len, uint32_t flags, 153 TEE_ObjectHandle *obj); 154 155 TEE_Result utee_storage_obj_create(uint32_t storage_id, void *object_id, 156 uint32_t object_id_len, uint32_t flags, 157 TEE_ObjectHandle attr, const void *data, 158 uint32_t len, TEE_ObjectHandle *obj); 159 160 TEE_Result utee_storage_obj_del(TEE_ObjectHandle obj); 161 162 TEE_Result utee_storage_obj_rename(TEE_ObjectHandle obj, const void *new_obj_id, 163 size_t new_obj_id_len); 164 165 /* Persistent Object Enumeration Functions */ 166 TEE_Result utee_storage_alloc_enum(TEE_ObjectEnumHandle *obj_enum); 167 168 TEE_Result utee_storage_free_enum(TEE_ObjectEnumHandle obj_enum); 169 170 TEE_Result utee_storage_reset_enum(TEE_ObjectEnumHandle obj_enum); 171 172 TEE_Result utee_storage_start_enum(TEE_ObjectEnumHandle obj_enum, 173 uint32_t storage_id); 174 175 TEE_Result utee_storage_next_enum(TEE_ObjectEnumHandle obj_enum, 176 TEE_ObjectInfo *info, void *obj_id, 177 size_t *len); 178 179 /* Data Stream Access Functions */ 180 TEE_Result utee_storage_obj_read(TEE_ObjectHandle obj, void *data, size_t len, 181 uint32_t *count); 182 183 TEE_Result utee_storage_obj_write(TEE_ObjectHandle obj, const void *data, 184 size_t len); 185 186 TEE_Result utee_storage_obj_trunc(TEE_ObjectHandle obj, size_t len); 187 188 TEE_Result utee_storage_obj_seek(TEE_ObjectHandle obj, int32_t offset, 189 TEE_Whence whence); 190 191 #endif /* UTEE_SYSCALLS_H */ 192