1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2 // 3 // This file is provided under a dual BSD/GPLv2 license. When using or 4 // redistributing this file, you may do so under either license. 5 // 6 // Copyright(c) 2022 Intel Corporation 7 8 #include <linux/firmware.h> 9 #include <sound/sof/ext_manifest4.h> 10 #include <sound/sof/ipc4/header.h> 11 #include <trace/events/sof.h> 12 #include "ipc4-priv.h" 13 #include "sof-audio.h" 14 #include "sof-priv.h" 15 #include "ops.h" 16 17 /* The module ID includes the id of the library it is part of at offset 12 */ 18 #define SOF_IPC4_MOD_LIB_ID_SHIFT 12 19 20 static ssize_t sof_ipc4_fw_parse_ext_man(struct snd_sof_dev *sdev, 21 struct sof_ipc4_fw_library *fw_lib) 22 { 23 struct sof_ipc4_fw_data *ipc4_data = sdev->private; 24 const struct firmware *fw = fw_lib->sof_fw.fw; 25 struct sof_man4_fw_binary_header *fw_header; 26 struct sof_ext_manifest4_hdr *ext_man_hdr; 27 struct sof_man4_module_config *fm_config; 28 struct sof_ipc4_fw_module *fw_module; 29 struct sof_man4_module *fm_entry; 30 ssize_t remaining; 31 u32 fw_hdr_offset; 32 int i; 33 34 if (!ipc4_data) { 35 dev_err(sdev->dev, "%s: ipc4_data is not available\n", __func__); 36 return -EINVAL; 37 } 38 39 remaining = fw->size; 40 if (remaining <= sizeof(*ext_man_hdr)) { 41 dev_err(sdev->dev, "Firmware size is too small: %zu\n", remaining); 42 return -EINVAL; 43 } 44 45 ext_man_hdr = (struct sof_ext_manifest4_hdr *)fw->data; 46 47 /* 48 * At the start of the firmware image we must have an extended manifest. 49 * Verify that the magic number is correct. 50 */ 51 if (ext_man_hdr->id != SOF_EXT_MAN4_MAGIC_NUMBER) { 52 dev_err(sdev->dev, 53 "Unexpected extended manifest magic number: %#x\n", 54 ext_man_hdr->id); 55 return -EINVAL; 56 } 57 58 fw_hdr_offset = ipc4_data->manifest_fw_hdr_offset; 59 if (!fw_hdr_offset) 60 return -EINVAL; 61 62 if (remaining <= ext_man_hdr->len + fw_hdr_offset + sizeof(*fw_header)) { 63 dev_err(sdev->dev, "Invalid firmware size %zu, should be at least %zu\n", 64 remaining, ext_man_hdr->len + fw_hdr_offset + sizeof(*fw_header)); 65 return -EINVAL; 66 } 67 68 fw_header = (struct sof_man4_fw_binary_header *) 69 (fw->data + ext_man_hdr->len + fw_hdr_offset); 70 remaining -= (ext_man_hdr->len + fw_hdr_offset); 71 72 if (remaining <= fw_header->len) { 73 dev_err(sdev->dev, "Invalid fw_header->len %u\n", fw_header->len); 74 return -EINVAL; 75 } 76 77 dev_info(sdev->dev, "Loaded firmware library: %s, version: %u.%u.%u.%u\n", 78 fw_header->name, fw_header->major_version, fw_header->minor_version, 79 fw_header->hotfix_version, fw_header->build_version); 80 dev_dbg(sdev->dev, "Header length: %u, module count: %u\n", 81 fw_header->len, fw_header->num_module_entries); 82 83 /* copy the fw_version of basefw into debugfs at first boot */ 84 if (fw == sdev->basefw.fw) { 85 sdev->fw_version.major = fw_header->major_version; 86 sdev->fw_version.minor = fw_header->minor_version; 87 sdev->fw_version.micro = fw_header->hotfix_version; 88 sdev->fw_version.build = fw_header->build_version; 89 } 90 91 fw_lib->modules = devm_kmalloc_array(sdev->dev, fw_header->num_module_entries, 92 sizeof(*fw_module), GFP_KERNEL); 93 if (!fw_lib->modules) 94 return -ENOMEM; 95 96 fw_lib->name = fw_header->name; 97 fw_lib->num_modules = fw_header->num_module_entries; 98 fw_module = fw_lib->modules; 99 100 fm_entry = (struct sof_man4_module *)((u8 *)fw_header + fw_header->len); 101 remaining -= fw_header->len; 102 103 if (remaining < fw_header->num_module_entries * sizeof(*fm_entry)) { 104 dev_err(sdev->dev, "Invalid num_module_entries %u\n", 105 fw_header->num_module_entries); 106 return -EINVAL; 107 } 108 109 fm_config = (struct sof_man4_module_config *) 110 (fm_entry + fw_header->num_module_entries); 111 remaining -= (fw_header->num_module_entries * sizeof(*fm_entry)); 112 for (i = 0; i < fw_header->num_module_entries; i++) { 113 memcpy(&fw_module->man4_module_entry, fm_entry, sizeof(*fm_entry)); 114 115 if (fm_entry->cfg_count) { 116 if (remaining < (fm_entry->cfg_offset + fm_entry->cfg_count) * 117 sizeof(*fm_config)) { 118 dev_err(sdev->dev, "Invalid module cfg_offset %u\n", 119 fm_entry->cfg_offset); 120 return -EINVAL; 121 } 122 123 fw_module->fw_mod_cfg = &fm_config[fm_entry->cfg_offset]; 124 125 dev_dbg(sdev->dev, 126 "module %s: UUID %pUL cfg_count: %u, bss_size: %#x\n", 127 fm_entry->name, &fm_entry->uuid, fm_entry->cfg_count, 128 fm_config[fm_entry->cfg_offset].is_bytes); 129 } else { 130 dev_dbg(sdev->dev, "module %s: UUID %pUL\n", fm_entry->name, 131 &fm_entry->uuid); 132 } 133 134 fw_module->man4_module_entry.id = i; 135 ida_init(&fw_module->m_ida); 136 fw_module->private = NULL; 137 138 fw_module++; 139 fm_entry++; 140 } 141 142 return ext_man_hdr->len; 143 } 144 145 static size_t sof_ipc4_fw_parse_basefw_ext_man(struct snd_sof_dev *sdev) 146 { 147 struct sof_ipc4_fw_data *ipc4_data = sdev->private; 148 struct sof_ipc4_fw_library *fw_lib; 149 ssize_t payload_offset; 150 int ret; 151 152 fw_lib = devm_kzalloc(sdev->dev, sizeof(*fw_lib), GFP_KERNEL); 153 if (!fw_lib) 154 return -ENOMEM; 155 156 fw_lib->sof_fw.fw = sdev->basefw.fw; 157 158 payload_offset = sof_ipc4_fw_parse_ext_man(sdev, fw_lib); 159 if (payload_offset > 0) { 160 fw_lib->sof_fw.payload_offset = payload_offset; 161 162 /* basefw ID is 0 */ 163 fw_lib->id = 0; 164 ret = xa_insert(&ipc4_data->fw_lib_xa, 0, fw_lib, GFP_KERNEL); 165 if (ret) 166 return ret; 167 } 168 169 return payload_offset; 170 } 171 172 static int sof_ipc4_load_library(struct snd_sof_dev *sdev, unsigned long lib_id, 173 const char *lib_filename, bool optional) 174 { 175 struct sof_ipc4_fw_data *ipc4_data = sdev->private; 176 struct sof_ipc4_fw_library *fw_lib; 177 ssize_t payload_offset; 178 int ret, i; 179 180 if (!ipc4_data->load_library) { 181 dev_err(sdev->dev, "Library loading is not supported on this platform\n"); 182 return -EOPNOTSUPP; 183 } 184 185 fw_lib = devm_kzalloc(sdev->dev, sizeof(*fw_lib), GFP_KERNEL); 186 if (!fw_lib) 187 return -ENOMEM; 188 189 if (optional) { 190 ret = firmware_request_nowarn(&fw_lib->sof_fw.fw, lib_filename, 191 sdev->dev); 192 if (ret < 0) { 193 /* optional library, override the error */ 194 ret = 0; 195 goto free_fw_lib; 196 } 197 } else { 198 ret = request_firmware(&fw_lib->sof_fw.fw, lib_filename, 199 sdev->dev); 200 if (ret < 0) { 201 dev_err(sdev->dev, "Library file '%s' is missing\n", 202 lib_filename); 203 goto free_fw_lib; 204 } 205 } 206 207 dev_dbg(sdev->dev, "Library file '%s' loaded\n", lib_filename); 208 209 payload_offset = sof_ipc4_fw_parse_ext_man(sdev, fw_lib); 210 if (payload_offset <= 0) { 211 if (!payload_offset) 212 ret = -EINVAL; 213 else 214 ret = payload_offset; 215 216 goto release; 217 } 218 219 fw_lib->sof_fw.payload_offset = payload_offset; 220 fw_lib->id = lib_id; 221 222 /* Fix up the module ID numbers within the library */ 223 for (i = 0; i < fw_lib->num_modules; i++) 224 fw_lib->modules[i].man4_module_entry.id |= (lib_id << SOF_IPC4_MOD_LIB_ID_SHIFT); 225 226 ret = ipc4_data->load_library(sdev, fw_lib, false); 227 if (ret) 228 goto release; 229 230 ret = xa_insert(&ipc4_data->fw_lib_xa, lib_id, fw_lib, GFP_KERNEL); 231 if (unlikely(ret)) 232 goto release; 233 234 return 0; 235 236 release: 237 release_firmware(fw_lib->sof_fw.fw); 238 /* Allocated within sof_ipc4_fw_parse_ext_man() */ 239 devm_kfree(sdev->dev, fw_lib->modules); 240 free_fw_lib: 241 devm_kfree(sdev->dev, fw_lib); 242 243 return ret; 244 } 245 246 /** 247 * sof_ipc4_complete_split_release - loads the library parts of a split firmware 248 * @sdev: SOF device 249 * 250 * With IPC4 the firmware can be a single binary or a split release. 251 * - single binary: only the basefw 252 * - split release: basefw and two libraries (openmodules, debug) 253 * 254 * With split firmware release it is also allowed that for example only the 255 * debug library is present (the openmodules content is built in the basefw). 256 * 257 * To handle the permutations try to load the openmodules then the debug 258 * libraries as optional ones after the basefw boot. 259 * 260 * The libraries for the split release are stored alongside the basefw on the 261 * filesystem. 262 */ 263 int sof_ipc4_complete_split_release(struct snd_sof_dev *sdev) 264 { 265 static const char * const lib_bundle[] = { "openmodules", "debug" }; 266 const char *fw_filename = sdev->pdata->fw_filename; 267 const char *lib_filename, *p; 268 size_t lib_name_base_size; 269 unsigned long lib_id = 1; 270 char *lib_name_base; 271 int i; 272 273 p = strstr(fw_filename, ".ri"); 274 if (!p || strlen(p) != 3) { 275 dev_info(sdev->dev, 276 "%s: Firmware name '%s' is missing .ri extension\n", 277 __func__, fw_filename); 278 return 0; 279 } 280 281 /* Space for the firmware basename + '\0', without the extension */ 282 lib_name_base_size = strlen(fw_filename) - 2; 283 lib_name_base = kzalloc(lib_name_base_size, GFP_KERNEL); 284 if (!lib_name_base) 285 return -ENOMEM; 286 287 /* 288 * strscpy will 0 terminate the copied string, removing the '.ri' from 289 * the end of the fw_filename, for example: 290 * fw_filename: "sof-ptl.ri\0" 291 * lib_name_base: "sof-ptl\0" 292 */ 293 strscpy(lib_name_base, fw_filename, lib_name_base_size); 294 295 for (i = 0; i < ARRAY_SIZE(lib_bundle); i++) { 296 int ret; 297 298 lib_filename = kasprintf(GFP_KERNEL, "%s/%s-%s.ri", 299 sdev->pdata->fw_filename_prefix, 300 lib_name_base, lib_bundle[i]); 301 if (!lib_filename) { 302 kfree(lib_name_base); 303 return -ENOMEM; 304 } 305 306 ret = sof_ipc4_load_library(sdev, lib_id, lib_filename, true); 307 if (ret) 308 dev_warn(sdev->dev, "%s: Failed to load %s: %d\n", 309 __func__, lib_filename, ret); 310 else 311 lib_id++; 312 313 kfree(lib_filename); 314 } 315 316 kfree(lib_name_base); 317 318 return 0; 319 } 320 321 static int sof_ipc4_load_library_by_uuid(struct snd_sof_dev *sdev, 322 unsigned long lib_id, const guid_t *uuid) 323 { 324 const char *lib_filename; 325 int ret; 326 327 if (!sdev->pdata->fw_lib_prefix) { 328 dev_err(sdev->dev, 329 "Library loading is not supported due to not set library path\n"); 330 return -EINVAL; 331 } 332 333 lib_filename = kasprintf(GFP_KERNEL, "%s/%pUL.bin", 334 sdev->pdata->fw_lib_prefix, uuid); 335 if (!lib_filename) 336 return -ENOMEM; 337 338 ret = sof_ipc4_load_library(sdev, lib_id, lib_filename, false); 339 340 kfree(lib_filename); 341 342 return ret; 343 } 344 345 struct sof_ipc4_fw_module *sof_ipc4_find_module_by_uuid(struct snd_sof_dev *sdev, 346 const guid_t *uuid) 347 { 348 struct sof_ipc4_fw_data *ipc4_data = sdev->private; 349 struct sof_ipc4_fw_library *fw_lib; 350 unsigned long lib_id; 351 int i, ret; 352 353 if (guid_is_null(uuid)) 354 return NULL; 355 356 xa_for_each(&ipc4_data->fw_lib_xa, lib_id, fw_lib) { 357 for (i = 0; i < fw_lib->num_modules; i++) { 358 if (guid_equal(uuid, &fw_lib->modules[i].man4_module_entry.uuid)) 359 return &fw_lib->modules[i]; 360 } 361 } 362 363 /* 364 * Do not attempt to load external library in case the maximum number of 365 * firmware libraries have been already loaded 366 */ 367 if ((lib_id + 1) == ipc4_data->max_libs_count) { 368 dev_err(sdev->dev, 369 "%s: Maximum allowed number of libraries reached (%u)\n", 370 __func__, ipc4_data->max_libs_count); 371 return NULL; 372 } 373 374 /* The module cannot be found, try to load it as a library */ 375 ret = sof_ipc4_load_library_by_uuid(sdev, lib_id + 1, uuid); 376 if (ret) 377 return NULL; 378 379 /* Look for the module in the newly loaded library, it should be available now */ 380 xa_for_each_start(&ipc4_data->fw_lib_xa, lib_id, fw_lib, lib_id) { 381 for (i = 0; i < fw_lib->num_modules; i++) { 382 if (guid_equal(uuid, &fw_lib->modules[i].man4_module_entry.uuid)) 383 return &fw_lib->modules[i]; 384 } 385 } 386 387 return NULL; 388 } 389 390 static int sof_ipc4_validate_firmware(struct snd_sof_dev *sdev) 391 { 392 struct sof_ipc4_fw_data *ipc4_data = sdev->private; 393 u32 fw_hdr_offset = ipc4_data->manifest_fw_hdr_offset; 394 struct sof_man4_fw_binary_header *fw_header; 395 const struct firmware *fw = sdev->basefw.fw; 396 struct sof_ext_manifest4_hdr *ext_man_hdr; 397 398 ext_man_hdr = (struct sof_ext_manifest4_hdr *)fw->data; 399 fw_header = (struct sof_man4_fw_binary_header *) 400 (fw->data + ext_man_hdr->len + fw_hdr_offset); 401 402 /* TODO: Add firmware verification code here */ 403 404 dev_dbg(sdev->dev, "Validated firmware version: %u.%u.%u.%u\n", 405 fw_header->major_version, fw_header->minor_version, 406 fw_header->hotfix_version, fw_header->build_version); 407 408 return 0; 409 } 410 411 int sof_ipc4_query_fw_configuration(struct snd_sof_dev *sdev) 412 { 413 struct sof_ipc4_fw_data *ipc4_data = sdev->private; 414 const struct sof_ipc_ops *iops = sdev->ipc->ops; 415 struct sof_ipc4_fw_version *fw_ver; 416 struct sof_ipc4_tuple *tuple; 417 struct sof_ipc4_msg msg; 418 size_t offset = 0; 419 int ret; 420 421 /* Get the firmware configuration */ 422 msg.primary = SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG); 423 msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST); 424 msg.primary |= SOF_IPC4_MOD_ID(SOF_IPC4_MOD_INIT_BASEFW_MOD_ID); 425 msg.primary |= SOF_IPC4_MOD_INSTANCE(SOF_IPC4_MOD_INIT_BASEFW_INSTANCE_ID); 426 msg.extension = SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_FW_PARAM_FW_CONFIG); 427 428 msg.data_size = sdev->ipc->max_payload_size; 429 msg.data_ptr = kzalloc(msg.data_size, GFP_KERNEL); 430 if (!msg.data_ptr) 431 return -ENOMEM; 432 433 ret = iops->set_get_data(sdev, &msg, msg.data_size, false); 434 if (ret) 435 goto out; 436 437 while (offset < msg.data_size) { 438 tuple = (struct sof_ipc4_tuple *)((u8 *)msg.data_ptr + offset); 439 440 switch (tuple->type) { 441 case SOF_IPC4_FW_CFG_FW_VERSION: 442 fw_ver = (struct sof_ipc4_fw_version *)tuple->value; 443 444 dev_info(sdev->dev, 445 "Booted firmware version: %u.%u.%u.%u\n", 446 fw_ver->major, fw_ver->minor, fw_ver->hotfix, 447 fw_ver->build); 448 break; 449 case SOF_IPC4_FW_CFG_DL_MAILBOX_BYTES: 450 trace_sof_ipc4_fw_config(sdev, "DL mailbox size", *tuple->value); 451 break; 452 case SOF_IPC4_FW_CFG_UL_MAILBOX_BYTES: 453 trace_sof_ipc4_fw_config(sdev, "UL mailbox size", *tuple->value); 454 break; 455 case SOF_IPC4_FW_CFG_TRACE_LOG_BYTES: 456 trace_sof_ipc4_fw_config(sdev, "Trace log size", *tuple->value); 457 ipc4_data->mtrace_log_bytes = *tuple->value; 458 break; 459 case SOF_IPC4_FW_CFG_MAX_LIBS_COUNT: 460 trace_sof_ipc4_fw_config(sdev, "maximum number of libraries", 461 *tuple->value); 462 ipc4_data->max_libs_count = *tuple->value; 463 if (!ipc4_data->max_libs_count) 464 ipc4_data->max_libs_count = 1; 465 break; 466 case SOF_IPC4_FW_CFG_MAX_PPL_COUNT: 467 ipc4_data->max_num_pipelines = *tuple->value; 468 trace_sof_ipc4_fw_config(sdev, "Max PPL count %d", 469 ipc4_data->max_num_pipelines); 470 if (ipc4_data->max_num_pipelines <= 0) { 471 dev_err(sdev->dev, "Invalid max_num_pipelines %d", 472 ipc4_data->max_num_pipelines); 473 ret = -EINVAL; 474 goto out; 475 } 476 break; 477 case SOF_IPC4_FW_CONTEXT_SAVE: 478 ipc4_data->fw_context_save = *tuple->value; 479 /* 480 * Set the default libraries_restored value - if full 481 * context save is supported then it means that 482 * libraries are restored 483 */ 484 ipc4_data->libraries_restored = ipc4_data->fw_context_save; 485 break; 486 default: 487 break; 488 } 489 490 offset += sizeof(*tuple) + tuple->size; 491 } 492 493 /* Get the hardware configuration */ 494 msg.primary = SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG); 495 msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST); 496 msg.primary |= SOF_IPC4_MOD_ID(SOF_IPC4_MOD_INIT_BASEFW_MOD_ID); 497 msg.primary |= SOF_IPC4_MOD_INSTANCE(SOF_IPC4_MOD_INIT_BASEFW_INSTANCE_ID); 498 msg.extension = SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_FW_PARAM_HW_CONFIG_GET); 499 500 msg.data_size = sdev->ipc->max_payload_size; 501 502 ret = iops->set_get_data(sdev, &msg, msg.data_size, false); 503 if (ret) 504 goto out; 505 506 offset = 0; 507 while (offset < msg.data_size) { 508 tuple = (struct sof_ipc4_tuple *)((u8 *)msg.data_ptr + offset); 509 510 switch (tuple->type) { 511 case SOF_IPC4_HW_CFG_INTEL_MIC_PRIVACY_CAPS: 512 if (ipc4_data->intel_configure_mic_privacy) { 513 struct sof_ipc4_intel_mic_privacy_cap *caps; 514 515 caps = (struct sof_ipc4_intel_mic_privacy_cap *)tuple->value; 516 ipc4_data->intel_configure_mic_privacy(sdev, caps); 517 } 518 break; 519 default: 520 break; 521 } 522 523 offset += sizeof(*tuple) + tuple->size; 524 } 525 526 out: 527 kfree(msg.data_ptr); 528 529 return ret; 530 } 531 532 int sof_ipc4_reload_fw_libraries(struct snd_sof_dev *sdev) 533 { 534 struct sof_ipc4_fw_data *ipc4_data = sdev->private; 535 struct sof_ipc4_fw_library *fw_lib; 536 unsigned long lib_id; 537 int ret = 0; 538 539 xa_for_each_start(&ipc4_data->fw_lib_xa, lib_id, fw_lib, 1) { 540 ret = ipc4_data->load_library(sdev, fw_lib, true); 541 if (ret) { 542 dev_err(sdev->dev, "%s: Failed to reload library: %s, %d\n", 543 __func__, fw_lib->name, ret); 544 break; 545 } 546 } 547 548 return ret; 549 } 550 551 /** 552 * sof_ipc4_update_cpc_from_manifest - Update the cpc in base config from manifest 553 * @sdev: SOF device 554 * @fw_module: pointer struct sof_ipc4_fw_module to parse 555 * @basecfg: Pointer to the base_config to update 556 */ 557 void sof_ipc4_update_cpc_from_manifest(struct snd_sof_dev *sdev, 558 struct sof_ipc4_fw_module *fw_module, 559 struct sof_ipc4_base_module_cfg *basecfg) 560 { 561 const struct sof_man4_module_config *fw_mod_cfg; 562 u32 cpc_pick = 0; 563 u32 max_cpc = 0; 564 const char *msg; 565 int i; 566 567 if (!fw_module->fw_mod_cfg) { 568 msg = "No mod_cfg available for CPC lookup in the firmware file's manifest"; 569 goto no_cpc; 570 } 571 572 /* 573 * Find the best matching (highest) CPC value based on the module's 574 * IBS/OBS configuration inferred from the audio format selection. 575 * 576 * The CPC value in each module config entry has been measured and 577 * recorded as a IBS/OBS/CPC triplet and stored in the firmware file's 578 * manifest 579 */ 580 fw_mod_cfg = fw_module->fw_mod_cfg; 581 for (i = 0; i < fw_module->man4_module_entry.cfg_count; i++) { 582 if (basecfg->obs == fw_mod_cfg[i].obs && 583 basecfg->ibs == fw_mod_cfg[i].ibs && 584 cpc_pick < fw_mod_cfg[i].cpc) 585 cpc_pick = fw_mod_cfg[i].cpc; 586 587 if (max_cpc < fw_mod_cfg[i].cpc) 588 max_cpc = fw_mod_cfg[i].cpc; 589 } 590 591 basecfg->cpc = cpc_pick; 592 593 /* We have a matching configuration for CPC */ 594 if (basecfg->cpc) 595 return; 596 597 /* 598 * No matching IBS/OBS found, the firmware manifest is missing 599 * information in the module's module configuration table. 600 */ 601 if (!max_cpc) 602 msg = "No CPC value available in the firmware file's manifest"; 603 else if (!cpc_pick) 604 msg = "No CPC match in the firmware file's manifest"; 605 606 no_cpc: 607 dev_dbg(sdev->dev, "%s (UUID: %pUL): %s (ibs/obs: %u/%u)\n", 608 fw_module->man4_module_entry.name, 609 &fw_module->man4_module_entry.uuid, msg, basecfg->ibs, 610 basecfg->obs); 611 } 612 613 const struct sof_ipc_fw_loader_ops ipc4_loader_ops = { 614 .validate = sof_ipc4_validate_firmware, 615 .parse_ext_manifest = sof_ipc4_fw_parse_basefw_ext_man, 616 }; 617