Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2020-2022, Intel Corporation. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <arch_helpers.h> |
| 8 | #include <lib/mmio.h> |
| 9 | |
| 10 | #include "socfpga_fcs.h" |
| 11 | #include "socfpga_mailbox.h" |
| 12 | #include "socfpga_sip_svc.h" |
| 13 | |
Sieu Mun Tang | d907cc3 | 2022-05-10 17:24:05 +0800 | [diff] [blame^] | 14 | /* FCS static variables */ |
| 15 | static fcs_crypto_service_data fcs_sha_get_digest_param; |
| 16 | |
Sieu Mun Tang | 128d2a7 | 2022-05-11 09:49:25 +0800 | [diff] [blame] | 17 | bool is_size_4_bytes_aligned(uint32_t size) |
Sieu Mun Tang | db79fa5 | 2022-03-20 00:49:57 +0800 | [diff] [blame] | 18 | { |
| 19 | if ((size % MBOX_WORD_BYTE) != 0U) { |
| 20 | return false; |
| 21 | } else { |
| 22 | return true; |
| 23 | } |
Sieu Mun Tang | d907cc3 | 2022-05-10 17:24:05 +0800 | [diff] [blame^] | 24 | } |
| 25 | |
| 26 | static bool is_8_bytes_aligned(uint32_t data) |
| 27 | { |
| 28 | if ((data % (MBOX_WORD_BYTE * 2U)) != 0U) { |
| 29 | return false; |
| 30 | } else { |
| 31 | return true; |
| 32 | } |
| 33 | } |
| 34 | |
| 35 | static int intel_fcs_crypto_service_init(uint32_t session_id, |
| 36 | uint32_t context_id, uint32_t key_id, |
| 37 | uint32_t param_size, uint64_t param_data, |
| 38 | fcs_crypto_service_data *data_addr, |
| 39 | uint32_t *mbox_error) |
| 40 | { |
| 41 | if (mbox_error == NULL) { |
| 42 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 43 | } |
| 44 | |
| 45 | if (param_size != 4) { |
| 46 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 47 | } |
| 48 | |
| 49 | memset(data_addr, 0, sizeof(fcs_crypto_service_data)); |
| 50 | |
| 51 | data_addr->session_id = session_id; |
| 52 | data_addr->context_id = context_id; |
| 53 | data_addr->key_id = key_id; |
| 54 | data_addr->crypto_param_size = param_size; |
| 55 | data_addr->crypto_param = param_data; |
| 56 | |
| 57 | *mbox_error = 0; |
| 58 | |
| 59 | return INTEL_SIP_SMC_STATUS_OK; |
Sieu Mun Tang | db79fa5 | 2022-03-20 00:49:57 +0800 | [diff] [blame] | 60 | } |
| 61 | |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 62 | uint32_t intel_fcs_random_number_gen(uint64_t addr, uint64_t *ret_size, |
| 63 | uint32_t *mbox_error) |
| 64 | { |
| 65 | int status; |
| 66 | unsigned int i; |
| 67 | unsigned int resp_len = FCS_RANDOM_WORD_SIZE; |
| 68 | uint32_t random_data[FCS_RANDOM_WORD_SIZE] = {0U}; |
| 69 | |
| 70 | if (!is_address_in_ddr_range(addr, FCS_RANDOM_BYTE_SIZE)) { |
| 71 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 72 | } |
| 73 | |
| 74 | status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_FCS_RANDOM_GEN, NULL, 0U, |
| 75 | CMD_CASUAL, random_data, &resp_len); |
| 76 | |
| 77 | if (status < 0) { |
| 78 | *mbox_error = -status; |
| 79 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 80 | } |
| 81 | |
| 82 | if (resp_len != FCS_RANDOM_WORD_SIZE) { |
| 83 | *mbox_error = GENERIC_RESPONSE_ERROR; |
| 84 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 85 | } |
| 86 | |
| 87 | *ret_size = FCS_RANDOM_BYTE_SIZE; |
| 88 | |
| 89 | for (i = 0U; i < FCS_RANDOM_WORD_SIZE; i++) { |
| 90 | mmio_write_32(addr, random_data[i]); |
| 91 | addr += MBOX_WORD_BYTE; |
| 92 | } |
| 93 | |
| 94 | flush_dcache_range(addr - *ret_size, *ret_size); |
| 95 | |
| 96 | return INTEL_SIP_SMC_STATUS_OK; |
| 97 | } |
| 98 | |
Sieu Mun Tang | e7a037f | 2022-05-10 17:18:19 +0800 | [diff] [blame] | 99 | int intel_fcs_random_number_gen_ext(uint32_t session_id, uint32_t context_id, |
| 100 | uint32_t size, uint32_t *send_id) |
| 101 | { |
| 102 | int status; |
| 103 | uint32_t payload_size; |
| 104 | uint32_t crypto_header; |
| 105 | |
| 106 | if (size > (FCS_RANDOM_EXT_MAX_WORD_SIZE * |
| 107 | MBOX_WORD_BYTE) || size == 0U) { |
| 108 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 109 | } |
| 110 | |
| 111 | if (!is_size_4_bytes_aligned(size)) { |
| 112 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 113 | } |
| 114 | |
| 115 | crypto_header = (FCS_CS_FIELD_FLAG_INIT | FCS_CS_FIELD_FLAG_FINALIZE) << |
| 116 | FCS_CS_FIELD_FLAG_OFFSET; |
| 117 | |
| 118 | fcs_rng_payload payload = { |
| 119 | session_id, |
| 120 | context_id, |
| 121 | crypto_header, |
| 122 | size |
| 123 | }; |
| 124 | |
| 125 | payload_size = sizeof(payload) / MBOX_WORD_BYTE; |
| 126 | |
| 127 | status = mailbox_send_cmd_async(send_id, MBOX_FCS_RANDOM_GEN, |
| 128 | (uint32_t *) &payload, payload_size, |
| 129 | CMD_INDIRECT); |
| 130 | |
| 131 | if (status < 0) { |
| 132 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 133 | } |
| 134 | |
| 135 | return INTEL_SIP_SMC_STATUS_OK; |
| 136 | } |
| 137 | |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 138 | uint32_t intel_fcs_send_cert(uint64_t addr, uint64_t size, |
| 139 | uint32_t *send_id) |
| 140 | { |
| 141 | int status; |
| 142 | |
| 143 | if (!is_address_in_ddr_range(addr, size)) { |
| 144 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 145 | } |
| 146 | |
Sieu Mun Tang | db79fa5 | 2022-03-20 00:49:57 +0800 | [diff] [blame] | 147 | if (!is_size_4_bytes_aligned(size)) { |
| 148 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 149 | } |
| 150 | |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 151 | status = mailbox_send_cmd_async(send_id, MBOX_CMD_VAB_SRC_CERT, |
| 152 | (uint32_t *)addr, size / MBOX_WORD_BYTE, |
| 153 | CMD_DIRECT); |
| 154 | |
Boon Khai Ng | cac786d | 2021-05-26 01:50:34 +0800 | [diff] [blame] | 155 | flush_dcache_range(addr, size); |
| 156 | |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 157 | if (status < 0) { |
| 158 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 159 | } |
| 160 | |
| 161 | return INTEL_SIP_SMC_STATUS_OK; |
| 162 | } |
| 163 | |
| 164 | uint32_t intel_fcs_get_provision_data(uint32_t *send_id) |
| 165 | { |
| 166 | int status; |
| 167 | |
| 168 | status = mailbox_send_cmd_async(send_id, MBOX_FCS_GET_PROVISION, |
| 169 | NULL, 0U, CMD_DIRECT); |
| 170 | |
| 171 | if (status < 0) { |
| 172 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 173 | } |
| 174 | |
| 175 | return INTEL_SIP_SMC_STATUS_OK; |
| 176 | } |
| 177 | |
Sieu Mun Tang | a068fdf | 2022-05-11 10:01:54 +0800 | [diff] [blame] | 178 | uint32_t intel_fcs_cntr_set_preauth(uint8_t counter_type, int32_t counter_value, |
| 179 | uint32_t test_bit, uint32_t *mbox_error) |
| 180 | { |
| 181 | int status; |
| 182 | uint32_t first_word; |
| 183 | uint32_t payload_size; |
| 184 | |
| 185 | if ((test_bit != MBOX_TEST_BIT) && |
| 186 | (test_bit != 0)) { |
| 187 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 188 | } |
| 189 | |
| 190 | if ((counter_type < FCS_BIG_CNTR_SEL) || |
| 191 | (counter_type > FCS_SVN_CNTR_3_SEL)) { |
| 192 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 193 | } |
| 194 | |
| 195 | if ((counter_type == FCS_BIG_CNTR_SEL) && |
| 196 | (counter_value > FCS_BIG_CNTR_VAL_MAX)) { |
| 197 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 198 | } |
| 199 | |
| 200 | if ((counter_type >= FCS_SVN_CNTR_0_SEL) && |
| 201 | (counter_type <= FCS_SVN_CNTR_3_SEL) && |
| 202 | (counter_value > FCS_SVN_CNTR_VAL_MAX)) { |
| 203 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 204 | } |
| 205 | |
| 206 | first_word = test_bit | counter_type; |
| 207 | fcs_cntr_set_preauth_payload payload = { |
| 208 | first_word, |
| 209 | counter_value |
| 210 | }; |
| 211 | |
| 212 | payload_size = sizeof(payload) / MBOX_WORD_BYTE; |
| 213 | status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_FCS_CNTR_SET_PREAUTH, |
| 214 | (uint32_t *) &payload, payload_size, |
| 215 | CMD_CASUAL, NULL, NULL); |
| 216 | |
| 217 | if (status < 0) { |
| 218 | *mbox_error = -status; |
| 219 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 220 | } |
| 221 | |
| 222 | return INTEL_SIP_SMC_STATUS_OK; |
| 223 | } |
| 224 | |
Sieu Mun Tang | 128d2a7 | 2022-05-11 09:49:25 +0800 | [diff] [blame] | 225 | uint32_t intel_fcs_encryption(uint32_t src_addr, uint32_t src_size, |
| 226 | uint32_t dst_addr, uint32_t dst_size, uint32_t *send_id) |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 227 | { |
| 228 | int status; |
Sieu Mun Tang | 128d2a7 | 2022-05-11 09:49:25 +0800 | [diff] [blame] | 229 | uint32_t load_size; |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 230 | |
Sieu Mun Tang | 128d2a7 | 2022-05-11 09:49:25 +0800 | [diff] [blame] | 231 | fcs_encrypt_payload payload = { |
| 232 | FCS_ENCRYPTION_DATA_0, |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 233 | src_addr, |
| 234 | src_size, |
| 235 | dst_addr, |
| 236 | dst_size }; |
Sieu Mun Tang | 128d2a7 | 2022-05-11 09:49:25 +0800 | [diff] [blame] | 237 | load_size = sizeof(payload) / MBOX_WORD_BYTE; |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 238 | |
Sieu Mun Tang | db79fa5 | 2022-03-20 00:49:57 +0800 | [diff] [blame] | 239 | if (!is_address_in_ddr_range(src_addr, src_size) || |
| 240 | !is_address_in_ddr_range(dst_addr, dst_size)) { |
| 241 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 242 | } |
| 243 | |
Sieu Mun Tang | 128d2a7 | 2022-05-11 09:49:25 +0800 | [diff] [blame] | 244 | if (!is_size_4_bytes_aligned(src_size)) { |
Sieu Mun Tang | db79fa5 | 2022-03-20 00:49:57 +0800 | [diff] [blame] | 245 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 246 | } |
| 247 | |
Sieu Mun Tang | 128d2a7 | 2022-05-11 09:49:25 +0800 | [diff] [blame] | 248 | status = mailbox_send_cmd_async(send_id, MBOX_FCS_ENCRYPT_REQ, |
| 249 | (uint32_t *) &payload, load_size, |
| 250 | CMD_INDIRECT); |
| 251 | inv_dcache_range(dst_addr, dst_size); |
| 252 | |
| 253 | if (status < 0) { |
| 254 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 255 | } |
| 256 | |
| 257 | return INTEL_SIP_SMC_STATUS_OK; |
| 258 | } |
| 259 | |
| 260 | uint32_t intel_fcs_decryption(uint32_t src_addr, uint32_t src_size, |
| 261 | uint32_t dst_addr, uint32_t dst_size, uint32_t *send_id) |
| 262 | { |
| 263 | int status; |
| 264 | uint32_t load_size; |
| 265 | uintptr_t id_offset; |
| 266 | |
| 267 | id_offset = src_addr + FCS_OWNER_ID_OFFSET; |
| 268 | fcs_decrypt_payload payload = { |
| 269 | FCS_DECRYPTION_DATA_0, |
| 270 | {mmio_read_32(id_offset), |
| 271 | mmio_read_32(id_offset + MBOX_WORD_BYTE)}, |
| 272 | src_addr, |
| 273 | src_size, |
| 274 | dst_addr, |
| 275 | dst_size }; |
| 276 | load_size = sizeof(payload) / MBOX_WORD_BYTE; |
| 277 | |
| 278 | if (!is_address_in_ddr_range(src_addr, src_size) || |
| 279 | !is_address_in_ddr_range(dst_addr, dst_size)) { |
| 280 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 281 | } |
| 282 | |
| 283 | if (!is_size_4_bytes_aligned(src_size)) { |
| 284 | return INTEL_SIP_SMC_STATUS_REJECTED; |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 285 | } |
| 286 | |
Sieu Mun Tang | 128d2a7 | 2022-05-11 09:49:25 +0800 | [diff] [blame] | 287 | status = mailbox_send_cmd_async(send_id, MBOX_FCS_DECRYPT_REQ, |
| 288 | (uint32_t *) &payload, load_size, |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 289 | CMD_INDIRECT); |
| 290 | inv_dcache_range(dst_addr, dst_size); |
| 291 | |
| 292 | if (status < 0) { |
| 293 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 294 | } |
| 295 | |
| 296 | return INTEL_SIP_SMC_STATUS_OK; |
| 297 | } |
Sieu Mun Tang | a34b881 | 2022-03-17 03:11:55 +0800 | [diff] [blame] | 298 | |
| 299 | uint32_t intel_fcs_get_rom_patch_sha384(uint64_t addr, uint64_t *ret_size, |
| 300 | uint32_t *mbox_error) |
| 301 | { |
| 302 | int status; |
| 303 | unsigned int resp_len = FCS_SHA384_WORD_SIZE; |
| 304 | |
| 305 | if (!is_address_in_ddr_range(addr, FCS_SHA384_BYTE_SIZE)) { |
| 306 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 307 | } |
| 308 | |
| 309 | status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_GET_ROM_PATCH_SHA384, NULL, 0U, |
| 310 | CMD_CASUAL, (uint32_t *) addr, &resp_len); |
| 311 | |
| 312 | if (status < 0) { |
| 313 | *mbox_error = -status; |
| 314 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 315 | } |
| 316 | |
| 317 | if (resp_len != FCS_SHA384_WORD_SIZE) { |
| 318 | *mbox_error = GENERIC_RESPONSE_ERROR; |
| 319 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 320 | } |
| 321 | |
| 322 | *ret_size = FCS_SHA384_BYTE_SIZE; |
| 323 | |
| 324 | flush_dcache_range(addr, *ret_size); |
| 325 | |
| 326 | return INTEL_SIP_SMC_STATUS_OK; |
| 327 | } |
Sieu Mun Tang | 2a820b9 | 2022-05-11 09:59:55 +0800 | [diff] [blame] | 328 | |
| 329 | int intel_fcs_sigma_teardown(uint32_t session_id, uint32_t *mbox_error) |
| 330 | { |
| 331 | int status; |
| 332 | |
| 333 | if ((session_id != PSGSIGMA_SESSION_ID_ONE) && |
| 334 | (session_id != PSGSIGMA_UNKNOWN_SESSION)) { |
| 335 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 336 | } |
| 337 | |
| 338 | psgsigma_teardown_msg message = { |
| 339 | RESERVED_AS_ZERO, |
| 340 | PSGSIGMA_TEARDOWN_MAGIC, |
| 341 | session_id |
| 342 | }; |
| 343 | |
| 344 | status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_PSG_SIGMA_TEARDOWN, |
| 345 | (uint32_t *) &message, sizeof(message) / MBOX_WORD_BYTE, |
| 346 | CMD_CASUAL, NULL, NULL); |
| 347 | |
| 348 | if (status < 0) { |
| 349 | *mbox_error = -status; |
| 350 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 351 | } |
| 352 | |
| 353 | return INTEL_SIP_SMC_STATUS_OK; |
| 354 | } |
| 355 | |
| 356 | int intel_fcs_chip_id(uint32_t *id_low, uint32_t *id_high, uint32_t *mbox_error) |
| 357 | { |
| 358 | int status; |
| 359 | uint32_t load_size; |
| 360 | uint32_t chip_id[2]; |
| 361 | |
| 362 | load_size = sizeof(chip_id) / MBOX_WORD_BYTE; |
| 363 | |
| 364 | status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_CMD_GET_CHIPID, NULL, |
| 365 | 0U, CMD_CASUAL, (uint32_t *) chip_id, &load_size); |
| 366 | |
| 367 | if (status < 0) { |
| 368 | *mbox_error = -status; |
| 369 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 370 | } |
| 371 | |
| 372 | *id_low = chip_id[0]; |
| 373 | *id_high = chip_id[1]; |
| 374 | |
| 375 | return INTEL_SIP_SMC_STATUS_OK; |
| 376 | } |
| 377 | |
| 378 | int intel_fcs_attestation_subkey(uint64_t src_addr, uint32_t src_size, |
| 379 | uint64_t dst_addr, uint32_t *dst_size, uint32_t *mbox_error) |
| 380 | { |
| 381 | int status; |
| 382 | uint32_t send_size = src_size / MBOX_WORD_BYTE; |
| 383 | uint32_t ret_size = *dst_size / MBOX_WORD_BYTE; |
| 384 | |
| 385 | |
| 386 | if (!is_address_in_ddr_range(src_addr, src_size) || |
| 387 | !is_address_in_ddr_range(dst_addr, *dst_size)) { |
| 388 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 389 | } |
| 390 | |
| 391 | status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_ATTESTATION_SUBKEY, |
| 392 | (uint32_t *) src_addr, send_size, CMD_CASUAL, |
| 393 | (uint32_t *) dst_addr, &ret_size); |
| 394 | |
| 395 | if (status < 0) { |
| 396 | *mbox_error = -status; |
| 397 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 398 | } |
| 399 | |
| 400 | *dst_size = ret_size * MBOX_WORD_BYTE; |
| 401 | flush_dcache_range(dst_addr, *dst_size); |
| 402 | |
| 403 | return INTEL_SIP_SMC_STATUS_OK; |
| 404 | } |
| 405 | |
| 406 | int intel_fcs_get_measurement(uint64_t src_addr, uint32_t src_size, |
| 407 | uint64_t dst_addr, uint32_t *dst_size, uint32_t *mbox_error) |
| 408 | { |
| 409 | int status; |
| 410 | uint32_t send_size = src_size / MBOX_WORD_BYTE; |
| 411 | uint32_t ret_size = *dst_size / MBOX_WORD_BYTE; |
| 412 | |
| 413 | if (!is_address_in_ddr_range(src_addr, src_size) || |
| 414 | !is_address_in_ddr_range(dst_addr, *dst_size)) { |
| 415 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 416 | } |
| 417 | |
| 418 | status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_GET_MEASUREMENT, |
| 419 | (uint32_t *) src_addr, send_size, CMD_CASUAL, |
| 420 | (uint32_t *) dst_addr, &ret_size); |
| 421 | |
| 422 | if (status < 0) { |
| 423 | *mbox_error = -status; |
| 424 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 425 | } |
| 426 | |
| 427 | *dst_size = ret_size * MBOX_WORD_BYTE; |
| 428 | flush_dcache_range(dst_addr, *dst_size); |
| 429 | |
| 430 | return INTEL_SIP_SMC_STATUS_OK; |
| 431 | } |
Sieu Mun Tang | 28af165 | 2022-05-09 10:48:53 +0800 | [diff] [blame] | 432 | |
| 433 | int intel_fcs_get_attestation_cert(uint32_t cert_request, uint64_t dst_addr, |
| 434 | uint32_t *dst_size, uint32_t *mbox_error) |
| 435 | { |
| 436 | int status; |
| 437 | uint32_t ret_size = *dst_size / MBOX_WORD_BYTE; |
| 438 | |
| 439 | if (mbox_error == NULL) { |
| 440 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 441 | } |
| 442 | |
| 443 | if (cert_request < FCS_ALIAS_CERT || |
| 444 | cert_request > |
| 445 | (FCS_ALIAS_CERT | |
| 446 | FCS_DEV_ID_SELF_SIGN_CERT | |
| 447 | FCS_DEV_ID_ENROLL_CERT | |
| 448 | FCS_ENROLL_SELF_SIGN_CERT | |
| 449 | FCS_PLAT_KEY_CERT)) { |
| 450 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 451 | } |
| 452 | |
| 453 | if (!is_address_in_ddr_range(dst_addr, *dst_size)) { |
| 454 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 455 | } |
| 456 | |
| 457 | status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_GET_ATTESTATION_CERT, |
| 458 | (uint32_t *) &cert_request, 1U, CMD_CASUAL, |
| 459 | (uint32_t *) dst_addr, &ret_size); |
| 460 | |
| 461 | if (status < 0) { |
| 462 | *mbox_error = -status; |
| 463 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 464 | } |
| 465 | |
| 466 | *dst_size = ret_size * MBOX_WORD_BYTE; |
| 467 | flush_dcache_range(dst_addr, *dst_size); |
| 468 | |
| 469 | return INTEL_SIP_SMC_STATUS_OK; |
| 470 | } |
| 471 | |
| 472 | int intel_fcs_create_cert_on_reload(uint32_t cert_request, |
| 473 | uint32_t *mbox_error) |
| 474 | { |
| 475 | int status; |
| 476 | |
| 477 | if (mbox_error == NULL) { |
| 478 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 479 | } |
| 480 | |
| 481 | if (cert_request < FCS_ALIAS_CERT || |
| 482 | cert_request > |
| 483 | (FCS_ALIAS_CERT | |
| 484 | FCS_DEV_ID_SELF_SIGN_CERT | |
| 485 | FCS_DEV_ID_ENROLL_CERT | |
| 486 | FCS_ENROLL_SELF_SIGN_CERT | |
| 487 | FCS_PLAT_KEY_CERT)) { |
| 488 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 489 | } |
| 490 | |
| 491 | status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_CREATE_CERT_ON_RELOAD, |
| 492 | (uint32_t *) &cert_request, 1U, CMD_CASUAL, |
| 493 | NULL, NULL); |
| 494 | |
| 495 | if (status < 0) { |
| 496 | *mbox_error = -status; |
| 497 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 498 | } |
| 499 | |
| 500 | return INTEL_SIP_SMC_STATUS_OK; |
| 501 | } |
Sieu Mun Tang | 16754e1 | 2022-05-09 12:08:42 +0800 | [diff] [blame] | 502 | |
| 503 | int intel_fcs_open_crypto_service_session(uint32_t *session_id, |
| 504 | uint32_t *mbox_error) |
| 505 | { |
| 506 | int status; |
| 507 | uint32_t resp_len = 1U; |
| 508 | |
| 509 | if ((session_id == NULL) || (mbox_error == NULL)) { |
| 510 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 511 | } |
| 512 | |
| 513 | status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_FCS_OPEN_CS_SESSION, |
| 514 | NULL, 0U, CMD_CASUAL, session_id, &resp_len); |
| 515 | |
| 516 | if (status < 0) { |
| 517 | *mbox_error = -status; |
| 518 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 519 | } |
| 520 | |
| 521 | return INTEL_SIP_SMC_STATUS_OK; |
| 522 | } |
| 523 | |
| 524 | int intel_fcs_close_crypto_service_session(uint32_t session_id, |
| 525 | uint32_t *mbox_error) |
| 526 | { |
| 527 | int status; |
| 528 | |
| 529 | if (mbox_error == NULL) { |
| 530 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 531 | } |
| 532 | |
| 533 | status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_FCS_CLOSE_CS_SESSION, |
| 534 | &session_id, 1U, CMD_CASUAL, NULL, NULL); |
| 535 | |
| 536 | if (status < 0) { |
| 537 | *mbox_error = -status; |
| 538 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 539 | } |
| 540 | |
| 541 | return INTEL_SIP_SMC_STATUS_OK; |
| 542 | } |
Sieu Mun Tang | fb1f6e9 | 2022-05-09 14:16:14 +0800 | [diff] [blame] | 543 | |
| 544 | int intel_fcs_import_crypto_service_key(uint64_t src_addr, uint32_t src_size, |
| 545 | uint32_t *send_id) |
| 546 | { |
| 547 | int status; |
| 548 | |
| 549 | if (src_size > (FCS_CS_KEY_OBJ_MAX_WORD_SIZE * |
| 550 | MBOX_WORD_BYTE)) { |
| 551 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 552 | } |
| 553 | |
| 554 | if (!is_address_in_ddr_range(src_addr, src_size)) { |
| 555 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 556 | } |
| 557 | |
| 558 | status = mailbox_send_cmd_async(send_id, MBOX_FCS_IMPORT_CS_KEY, |
| 559 | (uint32_t *)src_addr, src_size / MBOX_WORD_BYTE, |
| 560 | CMD_INDIRECT); |
| 561 | |
| 562 | if (status < 0) { |
| 563 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 564 | } |
| 565 | |
| 566 | return INTEL_SIP_SMC_STATUS_OK; |
| 567 | } |
| 568 | |
| 569 | int intel_fcs_export_crypto_service_key(uint32_t session_id, uint32_t key_id, |
| 570 | uint64_t dst_addr, uint32_t *dst_size, |
| 571 | uint32_t *mbox_error) |
| 572 | { |
| 573 | int status; |
| 574 | uint32_t i; |
| 575 | uint32_t payload_size; |
| 576 | uint32_t resp_len = FCS_CS_KEY_OBJ_MAX_WORD_SIZE; |
| 577 | uint32_t resp_data[FCS_CS_KEY_OBJ_MAX_WORD_SIZE] = {0U}; |
| 578 | uint32_t op_status = 0U; |
| 579 | |
| 580 | if ((dst_size == NULL) || (mbox_error == NULL)) { |
| 581 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 582 | } |
| 583 | |
| 584 | if (!is_address_in_ddr_range(dst_addr, *dst_size)) { |
| 585 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 586 | } |
| 587 | |
| 588 | fcs_cs_key_payload payload = { |
| 589 | session_id, |
| 590 | RESERVED_AS_ZERO, |
| 591 | RESERVED_AS_ZERO, |
| 592 | key_id |
| 593 | }; |
| 594 | |
| 595 | payload_size = sizeof(payload) / MBOX_WORD_BYTE; |
| 596 | |
| 597 | status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_FCS_EXPORT_CS_KEY, |
| 598 | (uint32_t *) &payload, payload_size, |
| 599 | CMD_CASUAL, resp_data, &resp_len); |
| 600 | |
| 601 | if (resp_len > 0) { |
| 602 | op_status = resp_data[0] & FCS_CS_KEY_RESP_STATUS_MASK; |
| 603 | } |
| 604 | |
| 605 | if (status < 0) { |
| 606 | *mbox_error = (-status) | (op_status << FCS_CS_KEY_RESP_STATUS_OFFSET); |
| 607 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 608 | } |
| 609 | |
| 610 | if (resp_len > 1) { |
| 611 | |
| 612 | /* Export key object is start at second response data */ |
| 613 | *dst_size = (resp_len - 1) * MBOX_WORD_BYTE; |
| 614 | |
| 615 | for (i = 1U; i < resp_len; i++) { |
| 616 | mmio_write_32(dst_addr, resp_data[i]); |
| 617 | dst_addr += MBOX_WORD_BYTE; |
| 618 | } |
| 619 | |
| 620 | flush_dcache_range(dst_addr - *dst_size, *dst_size); |
| 621 | |
| 622 | } else { |
| 623 | |
| 624 | /* Unexpected response, missing key object in response */ |
| 625 | *mbox_error = MBOX_RET_ERROR; |
| 626 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 627 | } |
| 628 | |
| 629 | return INTEL_SIP_SMC_STATUS_OK; |
| 630 | } |
| 631 | |
| 632 | int intel_fcs_remove_crypto_service_key(uint32_t session_id, uint32_t key_id, |
| 633 | uint32_t *mbox_error) |
| 634 | { |
| 635 | int status; |
| 636 | uint32_t payload_size; |
| 637 | uint32_t resp_len = 1U; |
| 638 | uint32_t resp_data = 0U; |
| 639 | uint32_t op_status = 0U; |
| 640 | |
| 641 | if (mbox_error == NULL) { |
| 642 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 643 | } |
| 644 | |
| 645 | fcs_cs_key_payload payload = { |
| 646 | session_id, |
| 647 | RESERVED_AS_ZERO, |
| 648 | RESERVED_AS_ZERO, |
| 649 | key_id |
| 650 | }; |
| 651 | |
| 652 | payload_size = sizeof(payload) / MBOX_WORD_BYTE; |
| 653 | |
| 654 | status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_FCS_REMOVE_CS_KEY, |
| 655 | (uint32_t *) &payload, payload_size, |
| 656 | CMD_CASUAL, &resp_data, &resp_len); |
| 657 | |
| 658 | if (resp_len > 0) { |
| 659 | op_status = resp_data & FCS_CS_KEY_RESP_STATUS_MASK; |
| 660 | } |
| 661 | |
| 662 | if (status < 0) { |
| 663 | *mbox_error = (-status) | (op_status << FCS_CS_KEY_RESP_STATUS_OFFSET); |
| 664 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 665 | } |
| 666 | |
| 667 | return INTEL_SIP_SMC_STATUS_OK; |
| 668 | } |
| 669 | |
| 670 | int intel_fcs_get_crypto_service_key_info(uint32_t session_id, uint32_t key_id, |
| 671 | uint64_t dst_addr, uint32_t *dst_size, |
| 672 | uint32_t *mbox_error) |
| 673 | { |
| 674 | int status; |
| 675 | uint32_t payload_size; |
| 676 | uint32_t resp_len = FCS_CS_KEY_INFO_MAX_WORD_SIZE; |
| 677 | uint32_t op_status = 0U; |
| 678 | |
| 679 | if ((dst_size == NULL) || (mbox_error == NULL)) { |
| 680 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 681 | } |
| 682 | |
| 683 | if (!is_address_in_ddr_range(dst_addr, *dst_size)) { |
| 684 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 685 | } |
| 686 | |
| 687 | fcs_cs_key_payload payload = { |
| 688 | session_id, |
| 689 | RESERVED_AS_ZERO, |
| 690 | RESERVED_AS_ZERO, |
| 691 | key_id |
| 692 | }; |
| 693 | |
| 694 | payload_size = sizeof(payload) / MBOX_WORD_BYTE; |
| 695 | |
| 696 | status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_FCS_GET_CS_KEY_INFO, |
| 697 | (uint32_t *) &payload, payload_size, |
| 698 | CMD_CASUAL, (uint32_t *) dst_addr, &resp_len); |
| 699 | |
| 700 | if (resp_len > 0) { |
| 701 | op_status = mmio_read_32(dst_addr) & |
| 702 | FCS_CS_KEY_RESP_STATUS_MASK; |
| 703 | } |
| 704 | |
| 705 | if (status < 0) { |
| 706 | *mbox_error = (-status) | (op_status << FCS_CS_KEY_RESP_STATUS_OFFSET); |
| 707 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 708 | } |
| 709 | |
| 710 | *dst_size = resp_len * MBOX_WORD_BYTE; |
| 711 | flush_dcache_range(dst_addr, *dst_size); |
| 712 | |
| 713 | return INTEL_SIP_SMC_STATUS_OK; |
| 714 | } |
Sieu Mun Tang | d907cc3 | 2022-05-10 17:24:05 +0800 | [diff] [blame^] | 715 | |
| 716 | int intel_fcs_get_digest_init(uint32_t session_id, uint32_t context_id, |
| 717 | uint32_t key_id, uint32_t param_size, |
| 718 | uint64_t param_data, uint32_t *mbox_error) |
| 719 | { |
| 720 | return intel_fcs_crypto_service_init(session_id, context_id, |
| 721 | key_id, param_size, param_data, |
| 722 | (void *) &fcs_sha_get_digest_param, |
| 723 | mbox_error); |
| 724 | } |
| 725 | |
| 726 | int intel_fcs_get_digest_finalize(uint32_t session_id, uint32_t context_id, |
| 727 | uint32_t src_addr, uint32_t src_size, |
| 728 | uint64_t dst_addr, uint32_t *dst_size, |
| 729 | uint32_t *mbox_error) |
| 730 | { |
| 731 | int status; |
| 732 | uint32_t i; |
| 733 | uint32_t resp_len = *dst_size / MBOX_WORD_BYTE; |
| 734 | uint32_t payload[FCS_GET_DIGEST_CMD_MAX_WORD_SIZE] = {0U}; |
| 735 | |
| 736 | if (dst_size == NULL || mbox_error == NULL) { |
| 737 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 738 | } |
| 739 | |
| 740 | if (fcs_sha_get_digest_param.session_id != session_id || |
| 741 | fcs_sha_get_digest_param.context_id != context_id) { |
| 742 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 743 | } |
| 744 | |
| 745 | /* Source data must be 8 bytes aligned */ |
| 746 | if (!is_8_bytes_aligned(src_size)) { |
| 747 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 748 | } |
| 749 | |
| 750 | if (!is_address_in_ddr_range(src_addr, src_size) || |
| 751 | !is_address_in_ddr_range(dst_addr, *dst_size)) { |
| 752 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 753 | } |
| 754 | |
| 755 | /* Prepare command payload */ |
| 756 | i = 0; |
| 757 | /* Crypto header */ |
| 758 | payload[i] = fcs_sha_get_digest_param.session_id; |
| 759 | i++; |
| 760 | payload[i] = fcs_sha_get_digest_param.context_id; |
| 761 | i++; |
| 762 | payload[i] = fcs_sha_get_digest_param.crypto_param_size |
| 763 | & FCS_CS_FIELD_SIZE_MASK; |
| 764 | payload[i] |= (FCS_CS_FIELD_FLAG_INIT | FCS_CS_FIELD_FLAG_UPDATE |
| 765 | | FCS_CS_FIELD_FLAG_FINALIZE) |
| 766 | << FCS_CS_FIELD_FLAG_OFFSET; |
| 767 | i++; |
| 768 | payload[i] = fcs_sha_get_digest_param.key_id; |
| 769 | i++; |
| 770 | /* Crypto parameters */ |
| 771 | payload[i] = fcs_sha_get_digest_param.crypto_param |
| 772 | & INTEL_SIP_SMC_FCS_SHA_MODE_MASK; |
| 773 | payload[i] |= ((fcs_sha_get_digest_param.crypto_param |
| 774 | >> INTEL_SIP_SMC_FCS_DIGEST_SIZE_OFFSET) |
| 775 | & INTEL_SIP_SMC_FCS_DIGEST_SIZE_MASK) |
| 776 | << FCS_SHA_HMAC_CRYPTO_PARAM_SIZE_OFFSET; |
| 777 | i++; |
| 778 | /* Data source address and size */ |
| 779 | payload[i] = src_addr; |
| 780 | i++; |
| 781 | payload[i] = src_size; |
| 782 | i++; |
| 783 | |
| 784 | status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_FCS_GET_DIGEST_REQ, |
| 785 | payload, i, CMD_CASUAL, |
| 786 | (uint32_t *) dst_addr, &resp_len); |
| 787 | |
| 788 | memset((void *)&fcs_sha_get_digest_param, 0, sizeof(fcs_crypto_service_data)); |
| 789 | |
| 790 | if (status < 0) { |
| 791 | *mbox_error = -status; |
| 792 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 793 | } |
| 794 | |
| 795 | *dst_size = resp_len * MBOX_WORD_BYTE; |
| 796 | flush_dcache_range(dst_addr, *dst_size); |
| 797 | |
| 798 | return INTEL_SIP_SMC_STATUS_OK; |
| 799 | } |