1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* 3 * Copyright (C) 2005-2014, 2018-2025 Intel Corporation 4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH 5 * Copyright (C) 2016-2017 Intel Deutschland GmbH 6 */ 7 #include <linux/completion.h> 8 #include <linux/dma-mapping.h> 9 #include <linux/firmware.h> 10 #include <linux/module.h> 11 #include <linux/vmalloc.h> 12 13 #include "iwl-drv.h" 14 #include "iwl-csr.h" 15 #include "iwl-debug.h" 16 #include "iwl-trans.h" 17 #include "iwl-op-mode.h" 18 #include "iwl-agn-hw.h" 19 #include "fw/img.h" 20 #include "iwl-dbg-tlv.h" 21 #include "iwl-config.h" 22 #include "iwl-modparams.h" 23 #include "fw/api/alive.h" 24 #include "fw/api/mac.h" 25 #include "fw/api/mac-cfg.h" 26 27 /****************************************************************************** 28 * 29 * module boiler plate 30 * 31 ******************************************************************************/ 32 33 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" 34 MODULE_DESCRIPTION(DRV_DESCRIPTION); 35 MODULE_LICENSE("GPL"); 36 37 #ifdef CONFIG_IWLWIFI_DEBUGFS 38 static struct dentry *iwl_dbgfs_root; 39 #endif 40 41 /** 42 * struct iwl_drv - drv common data 43 * @list: list of drv structures using this opmode 44 * @fw: the iwl_fw structure 45 * @op_mode: the running op_mode 46 * @trans: transport layer 47 * @dev: for debug prints only 48 * @fw_index: firmware revision to try loading 49 * @firmware_name: composite filename of ucode file to load 50 * @request_firmware_complete: the firmware has been obtained from user space 51 * @dbgfs_drv: debugfs root directory entry 52 * @dbgfs_trans: debugfs transport directory entry 53 * @dbgfs_op_mode: debugfs op_mode directory entry 54 */ 55 struct iwl_drv { 56 struct list_head list; 57 struct iwl_fw fw; 58 59 struct iwl_op_mode *op_mode; 60 struct iwl_trans *trans; 61 struct device *dev; 62 63 int fw_index; /* firmware we're trying to load */ 64 char firmware_name[64]; /* name of firmware file to load */ 65 66 struct completion request_firmware_complete; 67 68 #ifdef CONFIG_IWLWIFI_DEBUGFS 69 struct dentry *dbgfs_drv; 70 struct dentry *dbgfs_trans; 71 struct dentry *dbgfs_op_mode; 72 #endif 73 }; 74 75 enum { 76 DVM_OP_MODE, 77 MVM_OP_MODE, 78 #if IS_ENABLED(CONFIG_IWLMLD) 79 MLD_OP_MODE, 80 #endif 81 }; 82 83 /* Protects the table contents, i.e. the ops pointer & drv list */ 84 static DEFINE_MUTEX(iwlwifi_opmode_table_mtx); 85 static struct iwlwifi_opmode_table { 86 const char *name; /* name: iwldvm, iwlmvm, etc */ 87 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ 88 struct list_head drv; /* list of devices using this op_mode */ 89 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ 90 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, 91 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, 92 #if IS_ENABLED(CONFIG_IWLMLD) 93 [MLD_OP_MODE] = { .name = "iwlmld", .ops = NULL }, 94 #endif 95 }; 96 97 #define IWL_DEFAULT_SCAN_CHANNELS 40 98 99 /* 100 * struct fw_sec: Just for the image parsing process. 101 * For the fw storage we are using struct fw_desc. 102 */ 103 struct fw_sec { 104 const void *data; /* the sec data */ 105 size_t size; /* section size */ 106 u32 offset; /* offset of writing in the device */ 107 }; 108 109 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) 110 { 111 vfree(desc->data); 112 desc->data = NULL; 113 desc->len = 0; 114 } 115 116 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) 117 { 118 int i; 119 for (i = 0; i < img->num_sec; i++) 120 iwl_free_fw_desc(drv, &img->sec[i]); 121 kfree(img->sec); 122 } 123 124 static void iwl_dealloc_ucode(struct iwl_drv *drv) 125 { 126 int i; 127 128 kfree(drv->fw.dbg.dest_tlv); 129 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) 130 kfree(drv->fw.dbg.conf_tlv[i]); 131 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) 132 kfree(drv->fw.dbg.trigger_tlv[i]); 133 kfree(drv->fw.dbg.mem_tlv); 134 kfree(drv->fw.iml); 135 kfree(drv->fw.ucode_capa.cmd_versions); 136 kfree(drv->fw.phy_integration_ver); 137 kfree(drv->trans->dbg.pc_data); 138 drv->trans->dbg.pc_data = NULL; 139 kvfree(drv->fw.pnvm_data); 140 drv->fw.pnvm_data = NULL; 141 drv->fw.pnvm_size = 0; 142 143 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 144 iwl_free_fw_img(drv, drv->fw.img + i); 145 146 /* clear the data for the aborted load case */ 147 memset(&drv->fw, 0, sizeof(drv->fw)); 148 } 149 150 static int iwl_alloc_fw_desc(struct fw_desc *desc, struct fw_sec *sec) 151 { 152 void *data; 153 154 desc->data = NULL; 155 156 if (!sec || !sec->size) 157 return -EINVAL; 158 159 data = vmalloc(sec->size); 160 if (!data) 161 return -ENOMEM; 162 163 desc->len = sec->size; 164 desc->offset = sec->offset; 165 memcpy(data, sec->data, desc->len); 166 desc->data = data; 167 168 return 0; 169 } 170 171 static inline char iwl_drv_get_step(int step) 172 { 173 if (step == SILICON_Z_STEP) 174 return 'z'; 175 if (step == SILICON_TC_STEP) 176 return 'a'; 177 return 'a' + step; 178 } 179 180 static bool iwl_drv_is_wifi7_supported(struct iwl_trans *trans) 181 { 182 return CSR_HW_RFID_TYPE(trans->info.hw_rf_id) >= IWL_CFG_RF_TYPE_FM; 183 } 184 185 const char *iwl_drv_get_fwname_pre(struct iwl_trans *trans, char *buf) 186 { 187 char mac_step, rf_step; 188 const char *mac, *rf, *cdb; 189 190 if (trans->cfg->fw_name_pre) 191 return trans->cfg->fw_name_pre; 192 193 mac_step = iwl_drv_get_step(trans->info.hw_rev_step); 194 195 switch (CSR_HW_REV_TYPE(trans->info.hw_rev)) { 196 case IWL_CFG_MAC_TYPE_PU: 197 mac = "9000-pu"; 198 mac_step = 'b'; 199 break; 200 case IWL_CFG_MAC_TYPE_TH: 201 mac = "9260-th"; 202 mac_step = 'b'; 203 break; 204 case IWL_CFG_MAC_TYPE_QU: 205 mac = "Qu"; 206 break; 207 case IWL_CFG_MAC_TYPE_CC: 208 /* special case - no RF since it's fixed (discrete) */ 209 scnprintf(buf, FW_NAME_PRE_BUFSIZE, "iwlwifi-cc-a0"); 210 return buf; 211 case IWL_CFG_MAC_TYPE_QUZ: 212 mac = "QuZ"; 213 /* all QuZ use A0 firmware */ 214 mac_step = 'a'; 215 break; 216 case IWL_CFG_MAC_TYPE_SO: 217 case IWL_CFG_MAC_TYPE_SOF: 218 mac = "so"; 219 mac_step = 'a'; 220 break; 221 case IWL_CFG_MAC_TYPE_TY: 222 mac = "ty"; 223 mac_step = 'a'; 224 break; 225 case IWL_CFG_MAC_TYPE_MA: 226 mac = "ma"; 227 break; 228 case IWL_CFG_MAC_TYPE_BZ: 229 case IWL_CFG_MAC_TYPE_BZ_W: 230 mac = "bz"; 231 break; 232 case IWL_CFG_MAC_TYPE_GL: 233 mac = "gl"; 234 break; 235 case IWL_CFG_MAC_TYPE_SC: 236 mac = "sc"; 237 break; 238 case IWL_CFG_MAC_TYPE_SC2: 239 /* Uses the same firmware as SC2 */ 240 case IWL_CFG_MAC_TYPE_SC2F: 241 mac = "sc2"; 242 break; 243 case IWL_CFG_MAC_TYPE_BR: 244 mac = "br"; 245 break; 246 case IWL_CFG_MAC_TYPE_DR: 247 mac = "dr"; 248 break; 249 default: 250 return "unknown-mac"; 251 } 252 253 rf_step = iwl_drv_get_step(CSR_HW_RFID_STEP(trans->info.hw_rf_id)); 254 255 switch (CSR_HW_RFID_TYPE(trans->info.hw_rf_id)) { 256 case IWL_CFG_RF_TYPE_JF1: 257 case IWL_CFG_RF_TYPE_JF2: 258 rf = "jf"; 259 rf_step = 'b'; 260 break; 261 case IWL_CFG_RF_TYPE_HR1: 262 case IWL_CFG_RF_TYPE_HR2: 263 rf = "hr"; 264 rf_step = 'b'; 265 break; 266 case IWL_CFG_RF_TYPE_GF: 267 rf = "gf"; 268 rf_step = 'a'; 269 break; 270 case IWL_CFG_RF_TYPE_FM: 271 rf = "fm"; 272 break; 273 case IWL_CFG_RF_TYPE_WH: 274 rf = "wh"; 275 break; 276 case IWL_CFG_RF_TYPE_PE: 277 rf = "pe"; 278 break; 279 default: 280 return "unknown-rf"; 281 } 282 283 cdb = CSR_HW_RFID_IS_CDB(trans->info.hw_rf_id) ? "4" : ""; 284 285 scnprintf(buf, FW_NAME_PRE_BUFSIZE, 286 "iwlwifi-%s-%c0-%s%s-%c0", 287 mac, mac_step, rf, cdb, rf_step); 288 289 return buf; 290 } 291 IWL_EXPORT_SYMBOL(iwl_drv_get_fwname_pre); 292 293 static void iwl_req_fw_callback(const struct firmware *ucode_raw, 294 void *context); 295 296 static void iwl_get_ucode_api_versions(struct iwl_trans *trans, 297 unsigned int *api_min, 298 unsigned int *api_max) 299 { 300 const struct iwl_family_base_params *base = trans->mac_cfg->base; 301 const struct iwl_rf_cfg *cfg = trans->cfg; 302 303 /* if the MAC doesn't have range or if its range it higher than the RF's */ 304 if (!base->ucode_api_max || 305 (cfg->ucode_api_max && base->ucode_api_min > cfg->ucode_api_max)) { 306 *api_min = cfg->ucode_api_min; 307 *api_max = cfg->ucode_api_max; 308 return; 309 } 310 311 /* if the RF doesn't have range or if its range it higher than the MAC's */ 312 if (!cfg->ucode_api_max || 313 (base->ucode_api_max && cfg->ucode_api_min > base->ucode_api_max)) { 314 *api_min = base->ucode_api_min; 315 *api_max = base->ucode_api_max; 316 return; 317 } 318 319 *api_min = max(cfg->ucode_api_min, base->ucode_api_min); 320 *api_max = min(cfg->ucode_api_max, base->ucode_api_max); 321 } 322 323 static int iwl_request_firmware(struct iwl_drv *drv, bool first) 324 { 325 char _fw_name_pre[FW_NAME_PRE_BUFSIZE]; 326 unsigned int ucode_api_max, ucode_api_min; 327 const char *fw_name_pre; 328 329 iwl_get_ucode_api_versions(drv->trans, &ucode_api_min, &ucode_api_max); 330 331 if (drv->trans->mac_cfg->device_family == IWL_DEVICE_FAMILY_9000 && 332 (drv->trans->info.hw_rev_step != SILICON_B_STEP && 333 drv->trans->info.hw_rev_step != SILICON_C_STEP)) { 334 IWL_ERR(drv, 335 "Only HW steps B and C are currently supported (0x%0x)\n", 336 drv->trans->info.hw_rev); 337 return -EINVAL; 338 } 339 340 fw_name_pre = iwl_drv_get_fwname_pre(drv->trans, _fw_name_pre); 341 342 if (first) 343 drv->fw_index = ucode_api_max; 344 else if (drv->fw_index == ENCODE_CORE_AS_API(99)) 345 drv->fw_index = 101; /* last API-scheme number below core 99 */ 346 else 347 drv->fw_index--; 348 349 if (drv->fw_index < ucode_api_min) { 350 IWL_ERR(drv, "no suitable firmware found!\n"); 351 352 if (ucode_api_min == ucode_api_max) { 353 IWL_ERR(drv, "%s-" FW_API_FMT " is required\n", 354 fw_name_pre, FW_API_ARG(ucode_api_max)); 355 } else { 356 IWL_ERR(drv, 357 "minimum version required: %s-" FW_API_FMT "\n", 358 fw_name_pre, FW_API_ARG(ucode_api_min)); 359 IWL_ERR(drv, 360 "maximum version supported: %s-" FW_API_FMT "\n", 361 fw_name_pre, FW_API_ARG(ucode_api_max)); 362 } 363 364 IWL_ERR(drv, 365 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); 366 return -ENOENT; 367 } 368 369 snprintf(drv->firmware_name, sizeof(drv->firmware_name), 370 "%s-" FW_API_FMT ".ucode", 371 fw_name_pre, FW_API_ARG(drv->fw_index)); 372 373 IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n", 374 drv->firmware_name); 375 376 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, 377 drv->trans->dev, 378 GFP_KERNEL, drv, iwl_req_fw_callback); 379 } 380 381 struct fw_img_parsing { 382 struct fw_sec *sec; 383 int sec_counter; 384 }; 385 386 /* 387 * struct fw_sec_parsing: to extract fw section and it's offset from tlv 388 */ 389 struct fw_sec_parsing { 390 __le32 offset; 391 const u8 data[]; 392 } __packed; 393 394 /** 395 * struct iwl_tlv_calib_data - parse the default calib data from TLV 396 * 397 * @ucode_type: the uCode to which the following default calib relates. 398 * @calib: default calibrations. 399 */ 400 struct iwl_tlv_calib_data { 401 __le32 ucode_type; 402 struct iwl_tlv_calib_ctrl calib; 403 } __packed; 404 405 struct iwl_firmware_pieces { 406 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; 407 408 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 409 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 410 411 /* FW debug data parsed for driver usage */ 412 bool dbg_dest_tlv_init; 413 const u8 *dbg_dest_ver; 414 union { 415 const struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 416 const struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1; 417 }; 418 const struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 419 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 420 const struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 421 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 422 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; 423 size_t n_mem_tlv; 424 u32 major; 425 }; 426 427 static void alloc_sec_data(struct iwl_firmware_pieces *pieces, 428 enum iwl_ucode_type type, 429 int sec) 430 { 431 struct fw_img_parsing *img = &pieces->img[type]; 432 struct fw_sec *sec_memory; 433 int size = sec + 1; 434 size_t alloc_size = sizeof(*img->sec) * size; 435 436 if (img->sec && img->sec_counter >= size) 437 return; 438 439 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); 440 if (!sec_memory) 441 return; 442 443 img->sec = sec_memory; 444 img->sec_counter = size; 445 } 446 447 static void set_sec_data(struct iwl_firmware_pieces *pieces, 448 enum iwl_ucode_type type, 449 int sec, 450 const void *data) 451 { 452 alloc_sec_data(pieces, type, sec); 453 454 pieces->img[type].sec[sec].data = data; 455 } 456 457 static void set_sec_size(struct iwl_firmware_pieces *pieces, 458 enum iwl_ucode_type type, 459 int sec, 460 size_t size) 461 { 462 alloc_sec_data(pieces, type, sec); 463 464 pieces->img[type].sec[sec].size = size; 465 } 466 467 static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 468 enum iwl_ucode_type type, 469 int sec) 470 { 471 return pieces->img[type].sec[sec].size; 472 } 473 474 static void set_sec_offset(struct iwl_firmware_pieces *pieces, 475 enum iwl_ucode_type type, 476 int sec, 477 u32 offset) 478 { 479 alloc_sec_data(pieces, type, sec); 480 481 pieces->img[type].sec[sec].offset = offset; 482 } 483 484 /* 485 * Gets uCode section from tlv. 486 */ 487 static int iwl_store_ucode_sec(struct fw_img_parsing *img, 488 const void *data, int size) 489 { 490 struct fw_sec *sec; 491 const struct fw_sec_parsing *sec_parse; 492 size_t alloc_size; 493 494 if (WARN_ON(!img || !data)) 495 return -EINVAL; 496 497 sec_parse = (const struct fw_sec_parsing *)data; 498 499 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); 500 sec = krealloc(img->sec, alloc_size, GFP_KERNEL); 501 if (!sec) 502 return -ENOMEM; 503 img->sec = sec; 504 505 sec = &img->sec[img->sec_counter]; 506 507 sec->offset = le32_to_cpu(sec_parse->offset); 508 sec->data = sec_parse->data; 509 sec->size = size - sizeof(sec_parse->offset); 510 511 ++img->sec_counter; 512 513 return 0; 514 } 515 516 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) 517 { 518 const struct iwl_tlv_calib_data *def_calib = 519 (const struct iwl_tlv_calib_data *)data; 520 u32 ucode_type = le32_to_cpu(def_calib->ucode_type); 521 if (ucode_type >= IWL_UCODE_TYPE_MAX) { 522 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", 523 ucode_type); 524 return -EINVAL; 525 } 526 drv->fw.default_calib[ucode_type].flow_trigger = 527 def_calib->calib.flow_trigger; 528 drv->fw.default_calib[ucode_type].event_trigger = 529 def_calib->calib.event_trigger; 530 531 return 0; 532 } 533 534 static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, 535 struct iwl_ucode_capabilities *capa) 536 { 537 const struct iwl_ucode_api *ucode_api = (const void *)data; 538 u32 api_index = le32_to_cpu(ucode_api->api_index); 539 u32 api_flags = le32_to_cpu(ucode_api->api_flags); 540 int i; 541 542 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { 543 IWL_WARN(drv, 544 "api flags index %d larger than supported by driver\n", 545 api_index); 546 return; 547 } 548 549 for (i = 0; i < 32; i++) { 550 if (api_flags & BIT(i)) 551 __set_bit(i + 32 * api_index, capa->_api); 552 } 553 } 554 555 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 556 struct iwl_ucode_capabilities *capa) 557 { 558 const struct iwl_ucode_capa *ucode_capa = (const void *)data; 559 u32 api_index = le32_to_cpu(ucode_capa->api_index); 560 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 561 int i; 562 563 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 564 IWL_WARN(drv, 565 "capa flags index %d larger than supported by driver\n", 566 api_index); 567 return; 568 } 569 570 for (i = 0; i < 32; i++) { 571 if (api_flags & BIT(i)) 572 __set_bit(i + 32 * api_index, capa->_capa); 573 } 574 } 575 576 static const char *iwl_reduced_fw_name(struct iwl_drv *drv) 577 { 578 const char *name = drv->firmware_name; 579 580 if (strncmp(name, "iwlwifi-", 8) == 0) 581 name += 8; 582 583 return name; 584 } 585 586 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 587 const struct firmware *ucode_raw, 588 struct iwl_firmware_pieces *pieces) 589 { 590 const struct iwl_ucode_header *ucode = (const void *)ucode_raw->data; 591 u32 api_ver, hdr_size, build; 592 char buildstr[25]; 593 const u8 *src; 594 595 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 596 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 597 598 switch (api_ver) { 599 default: 600 hdr_size = 28; 601 if (ucode_raw->size < hdr_size) { 602 IWL_ERR(drv, "File size too small!\n"); 603 return -EINVAL; 604 } 605 build = le32_to_cpu(ucode->u.v2.build); 606 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 607 le32_to_cpu(ucode->u.v2.inst_size)); 608 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 609 le32_to_cpu(ucode->u.v2.data_size)); 610 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 611 le32_to_cpu(ucode->u.v2.init_size)); 612 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 613 le32_to_cpu(ucode->u.v2.init_data_size)); 614 src = ucode->u.v2.data; 615 break; 616 case 0: 617 case 1: 618 case 2: 619 hdr_size = 24; 620 if (ucode_raw->size < hdr_size) { 621 IWL_ERR(drv, "File size too small!\n"); 622 return -EINVAL; 623 } 624 build = 0; 625 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 626 le32_to_cpu(ucode->u.v1.inst_size)); 627 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 628 le32_to_cpu(ucode->u.v1.data_size)); 629 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 630 le32_to_cpu(ucode->u.v1.init_size)); 631 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 632 le32_to_cpu(ucode->u.v1.init_data_size)); 633 src = ucode->u.v1.data; 634 break; 635 } 636 637 if (build) 638 sprintf(buildstr, " build %u", build); 639 else 640 buildstr[0] = '\0'; 641 642 snprintf(drv->fw.fw_version, 643 sizeof(drv->fw.fw_version), 644 "%u.%u.%u.%u%s %s", 645 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 646 IWL_UCODE_MINOR(drv->fw.ucode_ver), 647 IWL_UCODE_API(drv->fw.ucode_ver), 648 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 649 buildstr, iwl_reduced_fw_name(drv)); 650 651 /* Verify size of file vs. image size info in file's header */ 652 653 if (ucode_raw->size != hdr_size + 654 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 655 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 656 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 657 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 658 659 IWL_ERR(drv, 660 "uCode file size %d does not match expected size\n", 661 (int)ucode_raw->size); 662 return -EINVAL; 663 } 664 665 666 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 667 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 668 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 669 IWLAGN_RTC_INST_LOWER_BOUND); 670 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 671 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 672 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 673 IWLAGN_RTC_DATA_LOWER_BOUND); 674 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 675 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 676 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 677 IWLAGN_RTC_INST_LOWER_BOUND); 678 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 679 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 680 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 681 IWLAGN_RTC_DATA_LOWER_BOUND); 682 return 0; 683 } 684 685 static void iwl_drv_set_dump_exclude(struct iwl_drv *drv, 686 enum iwl_ucode_tlv_type tlv_type, 687 const void *tlv_data, u32 tlv_len) 688 { 689 const struct iwl_fw_dump_exclude *fw = tlv_data; 690 struct iwl_dump_exclude *excl; 691 692 if (tlv_len < sizeof(*fw)) 693 return; 694 695 if (tlv_type == IWL_UCODE_TLV_SEC_TABLE_ADDR) { 696 excl = &drv->fw.dump_excl[0]; 697 698 /* second time we find this, it's for WoWLAN */ 699 if (excl->addr) 700 excl = &drv->fw.dump_excl_wowlan[0]; 701 } else if (fw_has_capa(&drv->fw.ucode_capa, 702 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG)) { 703 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is regular image */ 704 excl = &drv->fw.dump_excl[0]; 705 } else { 706 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is WoWLAN image */ 707 excl = &drv->fw.dump_excl_wowlan[0]; 708 } 709 710 if (excl->addr) 711 excl++; 712 713 if (excl->addr) { 714 IWL_DEBUG_FW_INFO(drv, "found too many excludes in fw file\n"); 715 return; 716 } 717 718 excl->addr = le32_to_cpu(fw->addr) & ~FW_ADDR_CACHE_CONTROL; 719 excl->size = le32_to_cpu(fw->size); 720 } 721 722 static void iwl_parse_dbg_tlv_assert_tables(struct iwl_drv *drv, 723 const struct iwl_ucode_tlv *tlv) 724 { 725 const struct iwl_fw_ini_region_tlv *region; 726 u32 length = le32_to_cpu(tlv->length); 727 u32 addr; 728 729 if (length < offsetof(typeof(*region), special_mem) + 730 sizeof(region->special_mem)) 731 return; 732 733 region = (const void *)tlv->data; 734 addr = le32_to_cpu(region->special_mem.base_addr); 735 addr += le32_to_cpu(region->special_mem.offset); 736 addr &= ~FW_ADDR_CACHE_CONTROL; 737 738 if (region->type != IWL_FW_INI_REGION_SPECIAL_DEVICE_MEMORY) 739 return; 740 741 switch (region->sub_type) { 742 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_UMAC_ERROR_TABLE: 743 drv->trans->dbg.umac_error_event_table = addr; 744 drv->trans->dbg.error_event_table_tlv_status |= 745 IWL_ERROR_EVENT_TABLE_UMAC; 746 break; 747 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_1_ERROR_TABLE: 748 drv->trans->dbg.lmac_error_event_table[0] = addr; 749 drv->trans->dbg.error_event_table_tlv_status |= 750 IWL_ERROR_EVENT_TABLE_LMAC1; 751 break; 752 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_2_ERROR_TABLE: 753 drv->trans->dbg.lmac_error_event_table[1] = addr; 754 drv->trans->dbg.error_event_table_tlv_status |= 755 IWL_ERROR_EVENT_TABLE_LMAC2; 756 break; 757 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_1_ERROR_TABLE: 758 drv->trans->dbg.tcm_error_event_table[0] = addr; 759 drv->trans->dbg.error_event_table_tlv_status |= 760 IWL_ERROR_EVENT_TABLE_TCM1; 761 break; 762 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_2_ERROR_TABLE: 763 drv->trans->dbg.tcm_error_event_table[1] = addr; 764 drv->trans->dbg.error_event_table_tlv_status |= 765 IWL_ERROR_EVENT_TABLE_TCM2; 766 break; 767 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_1_ERROR_TABLE: 768 drv->trans->dbg.rcm_error_event_table[0] = addr; 769 drv->trans->dbg.error_event_table_tlv_status |= 770 IWL_ERROR_EVENT_TABLE_RCM1; 771 break; 772 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_2_ERROR_TABLE: 773 drv->trans->dbg.rcm_error_event_table[1] = addr; 774 drv->trans->dbg.error_event_table_tlv_status |= 775 IWL_ERROR_EVENT_TABLE_RCM2; 776 break; 777 default: 778 break; 779 } 780 } 781 782 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 783 const struct firmware *ucode_raw, 784 struct iwl_firmware_pieces *pieces, 785 struct iwl_ucode_capabilities *capa, 786 bool *usniffer_images) 787 { 788 const struct iwl_tlv_ucode_header *ucode = (const void *)ucode_raw->data; 789 const struct iwl_ucode_tlv *tlv; 790 size_t len = ucode_raw->size; 791 const u8 *data; 792 u32 tlv_len; 793 u32 usniffer_img; 794 enum iwl_ucode_tlv_type tlv_type; 795 const u8 *tlv_data; 796 char buildstr[25]; 797 u32 build, paging_mem_size; 798 int num_of_cpus; 799 bool usniffer_req = false; 800 801 if (len < sizeof(*ucode)) { 802 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 803 return -EINVAL; 804 } 805 806 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 807 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 808 le32_to_cpu(ucode->magic)); 809 return -EINVAL; 810 } 811 812 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 813 memcpy(drv->fw.human_readable, ucode->human_readable, 814 sizeof(drv->fw.human_readable)); 815 build = le32_to_cpu(ucode->build); 816 817 if (build) 818 sprintf(buildstr, " build %u", build); 819 else 820 buildstr[0] = '\0'; 821 822 snprintf(drv->fw.fw_version, 823 sizeof(drv->fw.fw_version), 824 "%u.%u.%u.%u%s %s", 825 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 826 IWL_UCODE_MINOR(drv->fw.ucode_ver), 827 IWL_UCODE_API(drv->fw.ucode_ver), 828 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 829 buildstr, iwl_reduced_fw_name(drv)); 830 831 data = ucode->data; 832 833 len -= sizeof(*ucode); 834 835 while (len >= sizeof(*tlv)) { 836 len -= sizeof(*tlv); 837 838 tlv = (const void *)data; 839 tlv_len = le32_to_cpu(tlv->length); 840 tlv_type = le32_to_cpu(tlv->type); 841 tlv_data = tlv->data; 842 843 if (len < tlv_len) { 844 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 845 len, tlv_len); 846 return -EINVAL; 847 } 848 len -= ALIGN(tlv_len, 4); 849 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 850 851 switch (tlv_type) { 852 case IWL_UCODE_TLV_INST: 853 set_sec_data(pieces, IWL_UCODE_REGULAR, 854 IWL_UCODE_SECTION_INST, tlv_data); 855 set_sec_size(pieces, IWL_UCODE_REGULAR, 856 IWL_UCODE_SECTION_INST, tlv_len); 857 set_sec_offset(pieces, IWL_UCODE_REGULAR, 858 IWL_UCODE_SECTION_INST, 859 IWLAGN_RTC_INST_LOWER_BOUND); 860 break; 861 case IWL_UCODE_TLV_DATA: 862 set_sec_data(pieces, IWL_UCODE_REGULAR, 863 IWL_UCODE_SECTION_DATA, tlv_data); 864 set_sec_size(pieces, IWL_UCODE_REGULAR, 865 IWL_UCODE_SECTION_DATA, tlv_len); 866 set_sec_offset(pieces, IWL_UCODE_REGULAR, 867 IWL_UCODE_SECTION_DATA, 868 IWLAGN_RTC_DATA_LOWER_BOUND); 869 break; 870 case IWL_UCODE_TLV_INIT: 871 set_sec_data(pieces, IWL_UCODE_INIT, 872 IWL_UCODE_SECTION_INST, tlv_data); 873 set_sec_size(pieces, IWL_UCODE_INIT, 874 IWL_UCODE_SECTION_INST, tlv_len); 875 set_sec_offset(pieces, IWL_UCODE_INIT, 876 IWL_UCODE_SECTION_INST, 877 IWLAGN_RTC_INST_LOWER_BOUND); 878 break; 879 case IWL_UCODE_TLV_INIT_DATA: 880 set_sec_data(pieces, IWL_UCODE_INIT, 881 IWL_UCODE_SECTION_DATA, tlv_data); 882 set_sec_size(pieces, IWL_UCODE_INIT, 883 IWL_UCODE_SECTION_DATA, tlv_len); 884 set_sec_offset(pieces, IWL_UCODE_INIT, 885 IWL_UCODE_SECTION_DATA, 886 IWLAGN_RTC_DATA_LOWER_BOUND); 887 break; 888 case IWL_UCODE_TLV_BOOT: 889 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 890 break; 891 case IWL_UCODE_TLV_PROBE_MAX_LEN: 892 if (tlv_len != sizeof(u32)) 893 goto invalid_tlv_len; 894 capa->max_probe_length = 895 le32_to_cpup((const __le32 *)tlv_data); 896 break; 897 case IWL_UCODE_TLV_PAN: 898 if (tlv_len) 899 goto invalid_tlv_len; 900 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 901 break; 902 case IWL_UCODE_TLV_FLAGS: 903 /* must be at least one u32 */ 904 if (tlv_len < sizeof(u32)) 905 goto invalid_tlv_len; 906 /* and a proper number of u32s */ 907 if (tlv_len % sizeof(u32)) 908 goto invalid_tlv_len; 909 /* 910 * This driver only reads the first u32 as 911 * right now no more features are defined, 912 * if that changes then either the driver 913 * will not work with the new firmware, or 914 * it'll not take advantage of new features. 915 */ 916 capa->flags = le32_to_cpup((const __le32 *)tlv_data); 917 break; 918 case IWL_UCODE_TLV_API_CHANGES_SET: 919 if (tlv_len != sizeof(struct iwl_ucode_api)) 920 goto invalid_tlv_len; 921 iwl_set_ucode_api_flags(drv, tlv_data, capa); 922 break; 923 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 924 if (tlv_len != sizeof(struct iwl_ucode_capa)) 925 goto invalid_tlv_len; 926 iwl_set_ucode_capabilities(drv, tlv_data, capa); 927 break; 928 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 929 if (tlv_len != sizeof(u32)) 930 goto invalid_tlv_len; 931 pieces->init_evtlog_ptr = 932 le32_to_cpup((const __le32 *)tlv_data); 933 break; 934 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 935 if (tlv_len != sizeof(u32)) 936 goto invalid_tlv_len; 937 pieces->init_evtlog_size = 938 le32_to_cpup((const __le32 *)tlv_data); 939 break; 940 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 941 if (tlv_len != sizeof(u32)) 942 goto invalid_tlv_len; 943 pieces->init_errlog_ptr = 944 le32_to_cpup((const __le32 *)tlv_data); 945 break; 946 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 947 if (tlv_len != sizeof(u32)) 948 goto invalid_tlv_len; 949 pieces->inst_evtlog_ptr = 950 le32_to_cpup((const __le32 *)tlv_data); 951 break; 952 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 953 if (tlv_len != sizeof(u32)) 954 goto invalid_tlv_len; 955 pieces->inst_evtlog_size = 956 le32_to_cpup((const __le32 *)tlv_data); 957 break; 958 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 959 if (tlv_len != sizeof(u32)) 960 goto invalid_tlv_len; 961 pieces->inst_errlog_ptr = 962 le32_to_cpup((const __le32 *)tlv_data); 963 break; 964 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 965 if (tlv_len) 966 goto invalid_tlv_len; 967 drv->fw.enhance_sensitivity_table = true; 968 break; 969 case IWL_UCODE_TLV_WOWLAN_INST: 970 set_sec_data(pieces, IWL_UCODE_WOWLAN, 971 IWL_UCODE_SECTION_INST, tlv_data); 972 set_sec_size(pieces, IWL_UCODE_WOWLAN, 973 IWL_UCODE_SECTION_INST, tlv_len); 974 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 975 IWL_UCODE_SECTION_INST, 976 IWLAGN_RTC_INST_LOWER_BOUND); 977 break; 978 case IWL_UCODE_TLV_WOWLAN_DATA: 979 set_sec_data(pieces, IWL_UCODE_WOWLAN, 980 IWL_UCODE_SECTION_DATA, tlv_data); 981 set_sec_size(pieces, IWL_UCODE_WOWLAN, 982 IWL_UCODE_SECTION_DATA, tlv_len); 983 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 984 IWL_UCODE_SECTION_DATA, 985 IWLAGN_RTC_DATA_LOWER_BOUND); 986 break; 987 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 988 if (tlv_len != sizeof(u32)) 989 goto invalid_tlv_len; 990 capa->standard_phy_calibration_size = 991 le32_to_cpup((const __le32 *)tlv_data); 992 break; 993 case IWL_UCODE_TLV_SEC_RT: 994 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_REGULAR], 995 tlv_data, tlv_len); 996 drv->fw.type = IWL_FW_MVM; 997 break; 998 case IWL_UCODE_TLV_SEC_INIT: 999 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_INIT], 1000 tlv_data, tlv_len); 1001 drv->fw.type = IWL_FW_MVM; 1002 break; 1003 case IWL_UCODE_TLV_SEC_WOWLAN: 1004 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_WOWLAN], 1005 tlv_data, tlv_len); 1006 drv->fw.type = IWL_FW_MVM; 1007 break; 1008 case IWL_UCODE_TLV_DEF_CALIB: 1009 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 1010 goto invalid_tlv_len; 1011 if (iwl_set_default_calib(drv, tlv_data)) 1012 goto tlv_error; 1013 break; 1014 case IWL_UCODE_TLV_PHY_SKU: 1015 if (tlv_len != sizeof(u32)) 1016 goto invalid_tlv_len; 1017 drv->fw.phy_config = le32_to_cpup((const __le32 *)tlv_data); 1018 drv->fw.valid_tx_ant = (drv->fw.phy_config & 1019 FW_PHY_CFG_TX_CHAIN) >> 1020 FW_PHY_CFG_TX_CHAIN_POS; 1021 drv->fw.valid_rx_ant = (drv->fw.phy_config & 1022 FW_PHY_CFG_RX_CHAIN) >> 1023 FW_PHY_CFG_RX_CHAIN_POS; 1024 break; 1025 case IWL_UCODE_TLV_SECURE_SEC_RT: 1026 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_REGULAR], 1027 tlv_data, tlv_len); 1028 drv->fw.type = IWL_FW_MVM; 1029 break; 1030 case IWL_UCODE_TLV_SECURE_SEC_INIT: 1031 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_INIT], 1032 tlv_data, tlv_len); 1033 drv->fw.type = IWL_FW_MVM; 1034 break; 1035 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 1036 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_WOWLAN], 1037 tlv_data, tlv_len); 1038 drv->fw.type = IWL_FW_MVM; 1039 break; 1040 case IWL_UCODE_TLV_NUM_OF_CPU: 1041 if (tlv_len != sizeof(u32)) 1042 goto invalid_tlv_len; 1043 num_of_cpus = 1044 le32_to_cpup((const __le32 *)tlv_data); 1045 1046 if (num_of_cpus == 2) { 1047 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 1048 true; 1049 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 1050 true; 1051 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 1052 true; 1053 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 1054 IWL_ERR(drv, "Driver support up to 2 CPUs\n"); 1055 return -EINVAL; 1056 } 1057 break; 1058 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 1059 if (tlv_len != sizeof(u32)) 1060 goto invalid_tlv_len; 1061 capa->n_scan_channels = 1062 le32_to_cpup((const __le32 *)tlv_data); 1063 break; 1064 case IWL_UCODE_TLV_FW_VERSION: { 1065 const __le32 *ptr = (const void *)tlv_data; 1066 u32 minor; 1067 u8 local_comp; 1068 1069 if (tlv_len != sizeof(u32) * 3) 1070 goto invalid_tlv_len; 1071 1072 pieces->major = le32_to_cpup(ptr++); 1073 minor = le32_to_cpup(ptr++); 1074 local_comp = le32_to_cpup(ptr); 1075 1076 snprintf(drv->fw.fw_version, 1077 sizeof(drv->fw.fw_version), 1078 "%u.%08x.%u %s", pieces->major, minor, 1079 local_comp, iwl_reduced_fw_name(drv)); 1080 break; 1081 } 1082 case IWL_UCODE_TLV_FW_DBG_DEST: { 1083 const struct iwl_fw_dbg_dest_tlv *dest = NULL; 1084 const struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; 1085 u8 mon_mode; 1086 1087 pieces->dbg_dest_ver = (const u8 *)tlv_data; 1088 if (*pieces->dbg_dest_ver == 1) { 1089 dest = (const void *)tlv_data; 1090 } else if (*pieces->dbg_dest_ver == 0) { 1091 dest_v1 = (const void *)tlv_data; 1092 } else { 1093 IWL_ERR(drv, 1094 "The version is %d, and it is invalid\n", 1095 *pieces->dbg_dest_ver); 1096 break; 1097 } 1098 1099 if (pieces->dbg_dest_tlv_init) { 1100 IWL_ERR(drv, 1101 "dbg destination ignored, already exists\n"); 1102 break; 1103 } 1104 1105 pieces->dbg_dest_tlv_init = true; 1106 1107 if (dest_v1) { 1108 pieces->dbg_dest_tlv_v1 = dest_v1; 1109 mon_mode = dest_v1->monitor_mode; 1110 } else { 1111 pieces->dbg_dest_tlv = dest; 1112 mon_mode = dest->monitor_mode; 1113 } 1114 1115 IWL_INFO(drv, "Found debug destination: %s\n", 1116 get_fw_dbg_mode_string(mon_mode)); 1117 1118 drv->fw.dbg.n_dest_reg = (dest_v1) ? 1119 tlv_len - 1120 offsetof(struct iwl_fw_dbg_dest_tlv_v1, 1121 reg_ops) : 1122 tlv_len - 1123 offsetof(struct iwl_fw_dbg_dest_tlv, 1124 reg_ops); 1125 1126 drv->fw.dbg.n_dest_reg /= 1127 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]); 1128 1129 break; 1130 } 1131 case IWL_UCODE_TLV_FW_DBG_CONF: { 1132 const struct iwl_fw_dbg_conf_tlv *conf = 1133 (const void *)tlv_data; 1134 1135 if (!pieces->dbg_dest_tlv_init) { 1136 IWL_ERR(drv, 1137 "Ignore dbg config %d - no destination configured\n", 1138 conf->id); 1139 break; 1140 } 1141 1142 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) { 1143 IWL_ERR(drv, 1144 "Skip unknown configuration: %d\n", 1145 conf->id); 1146 break; 1147 } 1148 1149 if (pieces->dbg_conf_tlv[conf->id]) { 1150 IWL_ERR(drv, 1151 "Ignore duplicate dbg config %d\n", 1152 conf->id); 1153 break; 1154 } 1155 1156 if (conf->usniffer) 1157 usniffer_req = true; 1158 1159 IWL_INFO(drv, "Found debug configuration: %d\n", 1160 conf->id); 1161 1162 pieces->dbg_conf_tlv[conf->id] = conf; 1163 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 1164 break; 1165 } 1166 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 1167 const struct iwl_fw_dbg_trigger_tlv *trigger = 1168 (const void *)tlv_data; 1169 u32 trigger_id = le32_to_cpu(trigger->id); 1170 1171 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) { 1172 IWL_ERR(drv, 1173 "Skip unknown trigger: %u\n", 1174 trigger->id); 1175 break; 1176 } 1177 1178 if (pieces->dbg_trigger_tlv[trigger_id]) { 1179 IWL_ERR(drv, 1180 "Ignore duplicate dbg trigger %u\n", 1181 trigger->id); 1182 break; 1183 } 1184 1185 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 1186 1187 pieces->dbg_trigger_tlv[trigger_id] = trigger; 1188 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 1189 break; 1190 } 1191 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: { 1192 if (tlv_len != sizeof(u32)) { 1193 IWL_ERR(drv, 1194 "dbg lst mask size incorrect, skip\n"); 1195 break; 1196 } 1197 1198 drv->fw.dbg.dump_mask = 1199 le32_to_cpup((const __le32 *)tlv_data); 1200 break; 1201 } 1202 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 1203 *usniffer_images = true; 1204 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_REGULAR_USNIFFER], 1205 tlv_data, tlv_len); 1206 break; 1207 case IWL_UCODE_TLV_PAGING: 1208 if (tlv_len != sizeof(u32)) 1209 goto invalid_tlv_len; 1210 paging_mem_size = le32_to_cpup((const __le32 *)tlv_data); 1211 1212 IWL_DEBUG_FW(drv, 1213 "Paging: paging enabled (size = %u bytes)\n", 1214 paging_mem_size); 1215 1216 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 1217 IWL_ERR(drv, 1218 "Paging: driver supports up to %lu bytes for paging image\n", 1219 MAX_PAGING_IMAGE_SIZE); 1220 return -EINVAL; 1221 } 1222 1223 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1224 IWL_ERR(drv, 1225 "Paging: image isn't multiple %lu\n", 1226 FW_PAGING_SIZE); 1227 return -EINVAL; 1228 } 1229 1230 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1231 paging_mem_size; 1232 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1233 drv->fw.img[usniffer_img].paging_mem_size = 1234 paging_mem_size; 1235 break; 1236 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1237 /* ignored */ 1238 break; 1239 case IWL_UCODE_TLV_FW_MEM_SEG: { 1240 const struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1241 (const void *)tlv_data; 1242 size_t size; 1243 struct iwl_fw_dbg_mem_seg_tlv *n; 1244 1245 if (tlv_len != (sizeof(*dbg_mem))) 1246 goto invalid_tlv_len; 1247 1248 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1249 dbg_mem->data_type); 1250 1251 size = sizeof(*pieces->dbg_mem_tlv) * 1252 (pieces->n_mem_tlv + 1); 1253 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1254 if (!n) 1255 return -ENOMEM; 1256 pieces->dbg_mem_tlv = n; 1257 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem; 1258 pieces->n_mem_tlv++; 1259 break; 1260 } 1261 case IWL_UCODE_TLV_IML: { 1262 drv->fw.iml_len = tlv_len; 1263 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1264 if (!drv->fw.iml) 1265 return -ENOMEM; 1266 break; 1267 } 1268 case IWL_UCODE_TLV_FW_RECOVERY_INFO: { 1269 const struct { 1270 __le32 buf_addr; 1271 __le32 buf_size; 1272 } *recov_info = (const void *)tlv_data; 1273 1274 if (tlv_len != sizeof(*recov_info)) 1275 goto invalid_tlv_len; 1276 capa->error_log_addr = 1277 le32_to_cpu(recov_info->buf_addr); 1278 capa->error_log_size = 1279 le32_to_cpu(recov_info->buf_size); 1280 } 1281 break; 1282 case IWL_UCODE_TLV_FW_FSEQ_VERSION: { 1283 const struct { 1284 u8 version[32]; 1285 u8 sha1[20]; 1286 } *fseq_ver = (const void *)tlv_data; 1287 1288 if (tlv_len != sizeof(*fseq_ver)) 1289 goto invalid_tlv_len; 1290 IWL_DEBUG_INFO(drv, "TLV_FW_FSEQ_VERSION: %.32s\n", 1291 fseq_ver->version); 1292 } 1293 break; 1294 case IWL_UCODE_TLV_FW_NUM_STATIONS: 1295 if (tlv_len != sizeof(u32)) 1296 goto invalid_tlv_len; 1297 if (le32_to_cpup((const __le32 *)tlv_data) > 1298 IWL_STATION_COUNT_MAX) { 1299 IWL_ERR(drv, 1300 "%d is an invalid number of station\n", 1301 le32_to_cpup((const __le32 *)tlv_data)); 1302 goto tlv_error; 1303 } 1304 capa->num_stations = 1305 le32_to_cpup((const __le32 *)tlv_data); 1306 break; 1307 case IWL_UCODE_TLV_FW_NUM_LINKS: 1308 if (tlv_len != sizeof(u32)) 1309 goto invalid_tlv_len; 1310 if (le32_to_cpup((const __le32 *)tlv_data) > 1311 IWL_FW_MAX_LINK_ID + 1) { 1312 IWL_ERR(drv, 1313 "%d is an invalid number of links\n", 1314 le32_to_cpup((const __le32 *)tlv_data)); 1315 goto tlv_error; 1316 } 1317 capa->num_links = 1318 le32_to_cpup((const __le32 *)tlv_data); 1319 break; 1320 case IWL_UCODE_TLV_FW_NUM_BEACONS: 1321 if (tlv_len != sizeof(u32)) 1322 goto invalid_tlv_len; 1323 capa->num_beacons = 1324 le32_to_cpup((const __le32 *)tlv_data); 1325 break; 1326 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: { 1327 const struct iwl_umac_debug_addrs *dbg_ptrs = 1328 (const void *)tlv_data; 1329 1330 if (tlv_len != sizeof(*dbg_ptrs)) 1331 goto invalid_tlv_len; 1332 if (drv->trans->mac_cfg->device_family < 1333 IWL_DEVICE_FAMILY_22000) 1334 break; 1335 drv->trans->dbg.umac_error_event_table = 1336 le32_to_cpu(dbg_ptrs->error_info_addr) & 1337 ~FW_ADDR_CACHE_CONTROL; 1338 drv->trans->dbg.error_event_table_tlv_status |= 1339 IWL_ERROR_EVENT_TABLE_UMAC; 1340 break; 1341 } 1342 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: { 1343 const struct iwl_lmac_debug_addrs *dbg_ptrs = 1344 (const void *)tlv_data; 1345 1346 if (tlv_len != sizeof(*dbg_ptrs)) 1347 goto invalid_tlv_len; 1348 if (drv->trans->mac_cfg->device_family < 1349 IWL_DEVICE_FAMILY_22000) 1350 break; 1351 drv->trans->dbg.lmac_error_event_table[0] = 1352 le32_to_cpu(dbg_ptrs->error_event_table_ptr) & 1353 ~FW_ADDR_CACHE_CONTROL; 1354 drv->trans->dbg.error_event_table_tlv_status |= 1355 IWL_ERROR_EVENT_TABLE_LMAC1; 1356 break; 1357 } 1358 case IWL_UCODE_TLV_TYPE_REGIONS: 1359 iwl_parse_dbg_tlv_assert_tables(drv, tlv); 1360 fallthrough; 1361 case IWL_UCODE_TLV_TYPE_DEBUG_INFO: 1362 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: 1363 case IWL_UCODE_TLV_TYPE_HCMD: 1364 case IWL_UCODE_TLV_TYPE_TRIGGERS: 1365 case IWL_UCODE_TLV_TYPE_CONF_SET: 1366 if (iwlwifi_mod_params.enable_ini) 1367 iwl_dbg_tlv_alloc(drv->trans, tlv, false); 1368 break; 1369 case IWL_UCODE_TLV_CMD_VERSIONS: 1370 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) { 1371 IWL_ERR(drv, 1372 "Invalid length for command versions: %u\n", 1373 tlv_len); 1374 tlv_len /= sizeof(struct iwl_fw_cmd_version); 1375 tlv_len *= sizeof(struct iwl_fw_cmd_version); 1376 } 1377 if (WARN_ON(capa->cmd_versions)) 1378 return -EINVAL; 1379 capa->cmd_versions = kmemdup(tlv_data, tlv_len, 1380 GFP_KERNEL); 1381 if (!capa->cmd_versions) 1382 return -ENOMEM; 1383 capa->n_cmd_versions = 1384 tlv_len / sizeof(struct iwl_fw_cmd_version); 1385 break; 1386 case IWL_UCODE_TLV_PHY_INTEGRATION_VERSION: 1387 if (drv->fw.phy_integration_ver) { 1388 IWL_ERR(drv, 1389 "phy integration str ignored, already exists\n"); 1390 break; 1391 } 1392 1393 drv->fw.phy_integration_ver = 1394 kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1395 if (!drv->fw.phy_integration_ver) 1396 return -ENOMEM; 1397 drv->fw.phy_integration_ver_len = tlv_len; 1398 break; 1399 case IWL_UCODE_TLV_SEC_TABLE_ADDR: 1400 case IWL_UCODE_TLV_D3_KEK_KCK_ADDR: 1401 iwl_drv_set_dump_exclude(drv, tlv_type, 1402 tlv_data, tlv_len); 1403 break; 1404 case IWL_UCODE_TLV_CURRENT_PC: 1405 if (tlv_len < sizeof(struct iwl_pc_data)) 1406 goto invalid_tlv_len; 1407 drv->trans->dbg.pc_data = 1408 kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1409 if (!drv->trans->dbg.pc_data) 1410 return -ENOMEM; 1411 drv->trans->dbg.num_pc = 1412 tlv_len / sizeof(struct iwl_pc_data); 1413 break; 1414 case IWL_UCODE_TLV_PNVM_DATA: 1415 if (drv->fw.pnvm_data) 1416 break; 1417 drv->fw.pnvm_data = 1418 kvmemdup(tlv_data, tlv_len, GFP_KERNEL); 1419 if (!drv->fw.pnvm_data) 1420 return -ENOMEM; 1421 drv->fw.pnvm_size = tlv_len; 1422 break; 1423 default: 1424 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1425 break; 1426 } 1427 } 1428 1429 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1430 usniffer_req && !*usniffer_images) { 1431 IWL_ERR(drv, 1432 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1433 return -EINVAL; 1434 } 1435 1436 if (len) { 1437 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1438 iwl_print_hex_dump(drv, IWL_DL_FW, data, len); 1439 return -EINVAL; 1440 } 1441 1442 return 0; 1443 1444 invalid_tlv_len: 1445 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1446 tlv_error: 1447 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1448 1449 return -EINVAL; 1450 } 1451 1452 static int iwl_alloc_ucode_mem(struct fw_img *out, struct fw_img_parsing *img) 1453 { 1454 struct fw_desc *sec; 1455 1456 sec = kcalloc(img->sec_counter, sizeof(*sec), GFP_KERNEL); 1457 if (!sec) 1458 return -ENOMEM; 1459 1460 out->sec = sec; 1461 out->num_sec = img->sec_counter; 1462 1463 for (int i = 0; i < out->num_sec; i++) 1464 if (iwl_alloc_fw_desc(&sec[i], &img->sec[i])) 1465 return -ENOMEM; 1466 1467 return 0; 1468 } 1469 1470 static int iwl_alloc_ucode(struct iwl_drv *drv, 1471 struct iwl_firmware_pieces *pieces, 1472 enum iwl_ucode_type type) 1473 { 1474 return iwl_alloc_ucode_mem(&drv->fw.img[type], &pieces->img[type]); 1475 } 1476 1477 static int validate_sec_sizes(struct iwl_drv *drv, 1478 struct iwl_firmware_pieces *pieces, 1479 const struct iwl_rf_cfg *cfg) 1480 { 1481 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1482 get_sec_size(pieces, IWL_UCODE_REGULAR, 1483 IWL_UCODE_SECTION_INST)); 1484 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1485 get_sec_size(pieces, IWL_UCODE_REGULAR, 1486 IWL_UCODE_SECTION_DATA)); 1487 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1488 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1489 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1490 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1491 1492 /* Verify that uCode images will fit in card's SRAM. */ 1493 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1494 cfg->max_inst_size) { 1495 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1496 get_sec_size(pieces, IWL_UCODE_REGULAR, 1497 IWL_UCODE_SECTION_INST)); 1498 return -1; 1499 } 1500 1501 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1502 cfg->max_data_size) { 1503 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1504 get_sec_size(pieces, IWL_UCODE_REGULAR, 1505 IWL_UCODE_SECTION_DATA)); 1506 return -1; 1507 } 1508 1509 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1510 cfg->max_inst_size) { 1511 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1512 get_sec_size(pieces, IWL_UCODE_INIT, 1513 IWL_UCODE_SECTION_INST)); 1514 return -1; 1515 } 1516 1517 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1518 cfg->max_data_size) { 1519 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1520 get_sec_size(pieces, IWL_UCODE_REGULAR, 1521 IWL_UCODE_SECTION_DATA)); 1522 return -1; 1523 } 1524 return 0; 1525 } 1526 1527 static struct iwl_op_mode * 1528 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1529 { 1530 const struct iwl_op_mode_ops *ops = op->ops; 1531 struct dentry *dbgfs_dir = NULL; 1532 struct iwl_op_mode *op_mode = NULL; 1533 int retry, max_retry = !!iwlwifi_mod_params.fw_restart * IWL_MAX_INIT_RETRY; 1534 1535 /* also protects start/stop from racing against each other */ 1536 lockdep_assert_held(&iwlwifi_opmode_table_mtx); 1537 1538 for (retry = 0; retry <= max_retry; retry++) { 1539 1540 #ifdef CONFIG_IWLWIFI_DEBUGFS 1541 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1542 drv->dbgfs_drv); 1543 dbgfs_dir = drv->dbgfs_op_mode; 1544 #endif 1545 1546 op_mode = ops->start(drv->trans, drv->trans->cfg, 1547 &drv->fw, dbgfs_dir); 1548 1549 if (!IS_ERR(op_mode)) 1550 return op_mode; 1551 1552 if (iwl_trans_is_dead(drv->trans)) 1553 break; 1554 1555 #ifdef CONFIG_IWLWIFI_DEBUGFS 1556 debugfs_remove_recursive(drv->dbgfs_op_mode); 1557 drv->dbgfs_op_mode = NULL; 1558 #endif 1559 1560 if (PTR_ERR(op_mode) != -ETIMEDOUT) 1561 break; 1562 1563 IWL_ERR(drv, "retry init count %d\n", retry); 1564 } 1565 1566 return NULL; 1567 } 1568 1569 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1570 { 1571 /* also protects start/stop from racing against each other */ 1572 lockdep_assert_held(&iwlwifi_opmode_table_mtx); 1573 1574 /* op_mode can be NULL if its start failed */ 1575 if (drv->op_mode) { 1576 iwl_op_mode_stop(drv->op_mode); 1577 drv->op_mode = NULL; 1578 1579 #ifdef CONFIG_IWLWIFI_DEBUGFS 1580 debugfs_remove_recursive(drv->dbgfs_op_mode); 1581 drv->dbgfs_op_mode = NULL; 1582 #endif 1583 } 1584 } 1585 1586 #define IWL_MLD_SUPPORTED_FW_VERSION 97 1587 1588 /* 1589 * iwl_req_fw_callback - callback when firmware was loaded 1590 * 1591 * If loaded successfully, copies the firmware into buffers 1592 * for the card to fetch (via DMA). 1593 */ 1594 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1595 { 1596 unsigned int min_core, max_core, loaded_core; 1597 struct iwl_drv *drv = context; 1598 struct iwl_fw *fw = &drv->fw; 1599 const struct iwl_ucode_header *ucode; 1600 struct iwlwifi_opmode_table *op; 1601 int err; 1602 struct iwl_firmware_pieces *pieces; 1603 unsigned int api_min, api_max; 1604 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1605 u32 api_ver; 1606 int i; 1607 bool usniffer_images = false; 1608 bool failure = true; 1609 1610 iwl_get_ucode_api_versions(drv->trans, &api_min, &api_max); 1611 1612 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1613 fw->ucode_capa.standard_phy_calibration_size = 1614 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1615 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1616 fw->ucode_capa.num_stations = IWL_STATION_COUNT_MAX; 1617 fw->ucode_capa.num_beacons = 1; 1618 /* dump all fw memory areas by default */ 1619 fw->dbg.dump_mask = 0xffffffff; 1620 1621 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1622 if (!pieces) 1623 goto out_free_fw; 1624 1625 if (!ucode_raw) 1626 goto try_again; 1627 1628 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1629 drv->firmware_name, ucode_raw->size); 1630 1631 /* Make sure that we got at least the API version number */ 1632 if (ucode_raw->size < 4) { 1633 IWL_ERR(drv, "File size way too small!\n"); 1634 goto try_again; 1635 } 1636 1637 /* Data from ucode file: header followed by uCode images */ 1638 ucode = (const struct iwl_ucode_header *)ucode_raw->data; 1639 1640 if (ucode->ver) 1641 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1642 else 1643 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1644 &fw->ucode_capa, &usniffer_images); 1645 1646 if (err) 1647 goto try_again; 1648 1649 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1650 api_ver = drv->fw.ucode_ver; 1651 else 1652 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1653 1654 /* 1655 * api_ver should match the api version forming part of the 1656 * firmware filename ... but we don't check for that and only rely 1657 * on the API version read from firmware header from here on forward 1658 */ 1659 1660 /* 1661 * if -cN.ucode file was loaded, core version == file version, 1662 * otherwise core version == file version (API version) - 3 1663 */ 1664 if (iwl_api_is_core_number(drv->fw_index)) 1665 loaded_core = api_ver; 1666 else 1667 loaded_core = api_ver - API_TO_CORE_OFFS; 1668 1669 min_core = iwl_api_to_core(api_min); 1670 max_core = iwl_api_to_core(api_max); 1671 1672 if (loaded_core < min_core || loaded_core > max_core) { 1673 IWL_ERR(drv, 1674 "Driver unable to support your firmware API. " 1675 "Driver supports FW core %u..%u, firmware is %u.\n", 1676 min_core, max_core, loaded_core); 1677 goto try_again; 1678 } 1679 1680 /* 1681 * In mvm uCode there is no difference between data and instructions 1682 * sections. 1683 */ 1684 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1685 drv->trans->cfg)) 1686 goto try_again; 1687 1688 /* Allocate ucode buffers for card's bus-master loading ... */ 1689 1690 /* Runtime instructions and 2 copies of data: 1691 * 1) unmodified from disk 1692 * 2) backup cache for save/restore during power-downs 1693 */ 1694 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1695 if (iwl_alloc_ucode(drv, pieces, i)) 1696 goto out_free_fw; 1697 1698 if (pieces->dbg_dest_tlv_init) { 1699 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) + 1700 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1701 drv->fw.dbg.n_dest_reg; 1702 1703 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL); 1704 1705 if (!drv->fw.dbg.dest_tlv) 1706 goto out_free_fw; 1707 1708 if (*pieces->dbg_dest_ver == 0) { 1709 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1, 1710 dbg_dest_size); 1711 } else { 1712 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv = 1713 drv->fw.dbg.dest_tlv; 1714 1715 dest_tlv->version = pieces->dbg_dest_tlv->version; 1716 dest_tlv->monitor_mode = 1717 pieces->dbg_dest_tlv->monitor_mode; 1718 dest_tlv->size_power = 1719 pieces->dbg_dest_tlv->size_power; 1720 dest_tlv->wrap_count = 1721 pieces->dbg_dest_tlv->wrap_count; 1722 dest_tlv->write_ptr_reg = 1723 pieces->dbg_dest_tlv->write_ptr_reg; 1724 dest_tlv->base_shift = 1725 pieces->dbg_dest_tlv->base_shift; 1726 memcpy(dest_tlv->reg_ops, 1727 pieces->dbg_dest_tlv->reg_ops, 1728 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1729 drv->fw.dbg.n_dest_reg); 1730 1731 /* In version 1 of the destination tlv, which is 1732 * relevant for internal buffer exclusively, 1733 * the base address is part of given with the length 1734 * of the buffer, and the size shift is give instead of 1735 * end shift. We now store these values in base_reg, 1736 * and end shift, and when dumping the data we'll 1737 * manipulate it for extracting both the length and 1738 * base address */ 1739 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg; 1740 dest_tlv->end_shift = 1741 pieces->dbg_dest_tlv->size_shift; 1742 } 1743 } 1744 1745 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) { 1746 if (pieces->dbg_conf_tlv[i]) { 1747 drv->fw.dbg.conf_tlv[i] = 1748 kmemdup(pieces->dbg_conf_tlv[i], 1749 pieces->dbg_conf_tlv_len[i], 1750 GFP_KERNEL); 1751 if (!drv->fw.dbg.conf_tlv[i]) 1752 goto out_free_fw; 1753 } 1754 } 1755 1756 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1757 1758 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1759 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1760 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1761 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1762 sizeof(struct iwl_fw_dbg_trigger_cmd); 1763 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1764 sizeof(struct iwl_fw_dbg_trigger_mlme); 1765 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1766 sizeof(struct iwl_fw_dbg_trigger_stats); 1767 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1768 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1769 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1770 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1771 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1772 sizeof(struct iwl_fw_dbg_trigger_time_event); 1773 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1774 sizeof(struct iwl_fw_dbg_trigger_ba); 1775 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1776 sizeof(struct iwl_fw_dbg_trigger_tdls); 1777 1778 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) { 1779 if (pieces->dbg_trigger_tlv[i]) { 1780 /* 1781 * If the trigger isn't long enough, WARN and exit. 1782 * Someone is trying to debug something and he won't 1783 * be able to catch the bug he is trying to chase. 1784 * We'd better be noisy to be sure he knows what's 1785 * going on. 1786 */ 1787 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1788 (trigger_tlv_sz[i] + 1789 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1790 goto out_free_fw; 1791 drv->fw.dbg.trigger_tlv_len[i] = 1792 pieces->dbg_trigger_tlv_len[i]; 1793 drv->fw.dbg.trigger_tlv[i] = 1794 kmemdup(pieces->dbg_trigger_tlv[i], 1795 drv->fw.dbg.trigger_tlv_len[i], 1796 GFP_KERNEL); 1797 if (!drv->fw.dbg.trigger_tlv[i]) 1798 goto out_free_fw; 1799 } 1800 } 1801 1802 /* Now that we can no longer fail, copy information */ 1803 1804 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv; 1805 pieces->dbg_mem_tlv = NULL; 1806 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv; 1807 1808 /* 1809 * The (size - 16) / 12 formula is based on the information recorded 1810 * for each event, which is of mode 1 (including timestamp) for all 1811 * new microcodes that include this information. 1812 */ 1813 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1814 if (pieces->init_evtlog_size) 1815 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1816 else 1817 fw->init_evtlog_size = 1818 drv->trans->mac_cfg->base->max_event_log_size; 1819 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1820 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1821 if (pieces->inst_evtlog_size) 1822 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1823 else 1824 fw->inst_evtlog_size = 1825 drv->trans->mac_cfg->base->max_event_log_size; 1826 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1827 1828 /* 1829 * figure out the offset of chain noise reset and gain commands 1830 * base on the size of standard phy calibration commands table size 1831 */ 1832 if (fw->ucode_capa.standard_phy_calibration_size > 1833 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1834 fw->ucode_capa.standard_phy_calibration_size = 1835 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1836 1837 /* We have our copies now, allow OS release its copies */ 1838 release_firmware(ucode_raw); 1839 1840 iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans); 1841 1842 mutex_lock(&iwlwifi_opmode_table_mtx); 1843 switch (fw->type) { 1844 case IWL_FW_DVM: 1845 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1846 break; 1847 default: 1848 WARN(1, "Invalid fw type %d\n", fw->type); 1849 fallthrough; 1850 case IWL_FW_MVM: 1851 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1852 break; 1853 } 1854 1855 #if IS_ENABLED(CONFIG_IWLMLD) 1856 if (pieces->major >= IWL_MLD_SUPPORTED_FW_VERSION && 1857 iwl_drv_is_wifi7_supported(drv->trans)) 1858 op = &iwlwifi_opmode_table[MLD_OP_MODE]; 1859 #else 1860 if (pieces->major >= IWL_MLD_SUPPORTED_FW_VERSION && 1861 iwl_drv_is_wifi7_supported(drv->trans)) { 1862 IWL_ERR(drv, 1863 "IWLMLD needs to be compiled to support this firmware\n"); 1864 mutex_unlock(&iwlwifi_opmode_table_mtx); 1865 goto out_unbind; 1866 } 1867 #endif 1868 1869 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1870 drv->fw.fw_version, op->name); 1871 1872 /* add this device to the list of devices using this op_mode */ 1873 list_add_tail(&drv->list, &op->drv); 1874 1875 if (op->ops) { 1876 drv->op_mode = _iwl_op_mode_start(drv, op); 1877 1878 if (!drv->op_mode) { 1879 mutex_unlock(&iwlwifi_opmode_table_mtx); 1880 goto out_unbind; 1881 } 1882 } else { 1883 request_module_nowait("%s", op->name); 1884 } 1885 mutex_unlock(&iwlwifi_opmode_table_mtx); 1886 1887 complete(&drv->request_firmware_complete); 1888 1889 failure = false; 1890 goto free; 1891 1892 try_again: 1893 /* try next, if any */ 1894 release_firmware(ucode_raw); 1895 if (iwl_request_firmware(drv, false)) 1896 goto out_unbind; 1897 goto free; 1898 1899 out_free_fw: 1900 release_firmware(ucode_raw); 1901 out_unbind: 1902 complete(&drv->request_firmware_complete); 1903 device_release_driver(drv->trans->dev); 1904 /* drv has just been freed by the release */ 1905 failure = false; 1906 free: 1907 if (failure) 1908 iwl_dealloc_ucode(drv); 1909 1910 if (pieces) { 1911 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1912 kfree(pieces->img[i].sec); 1913 kfree(pieces->dbg_mem_tlv); 1914 kfree(pieces); 1915 } 1916 } 1917 1918 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1919 { 1920 struct iwl_drv *drv; 1921 int ret; 1922 1923 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1924 if (!drv) { 1925 ret = -ENOMEM; 1926 goto err; 1927 } 1928 1929 drv->trans = trans; 1930 drv->dev = trans->dev; 1931 1932 init_completion(&drv->request_firmware_complete); 1933 INIT_LIST_HEAD(&drv->list); 1934 1935 #ifdef CONFIG_IWLWIFI_DEBUGFS 1936 /* Create the device debugfs entries. */ 1937 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1938 iwl_dbgfs_root); 1939 1940 /* Create transport layer debugfs dir */ 1941 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1942 #endif 1943 1944 drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans); 1945 if (iwlwifi_mod_params.enable_ini != ENABLE_INI) { 1946 /* We have a non-default value in the module parameter, 1947 * take its value 1948 */ 1949 drv->trans->dbg.domains_bitmap &= 0xffff; 1950 if (iwlwifi_mod_params.enable_ini != IWL_FW_INI_PRESET_DISABLE) { 1951 if (iwlwifi_mod_params.enable_ini > ENABLE_INI) { 1952 IWL_ERR(trans, 1953 "invalid enable_ini module parameter value: max = %d, using 0 instead\n", 1954 ENABLE_INI); 1955 iwlwifi_mod_params.enable_ini = 0; 1956 } 1957 drv->trans->dbg.domains_bitmap = 1958 BIT(IWL_FW_DBG_DOMAIN_POS + iwlwifi_mod_params.enable_ini); 1959 } 1960 } 1961 1962 ret = iwl_request_firmware(drv, true); 1963 if (ret) { 1964 IWL_ERR(trans, "Couldn't request the fw\n"); 1965 goto err_fw; 1966 } 1967 1968 return drv; 1969 1970 err_fw: 1971 #ifdef CONFIG_IWLWIFI_DEBUGFS 1972 debugfs_remove_recursive(drv->dbgfs_drv); 1973 #endif 1974 iwl_dbg_tlv_free(drv->trans); 1975 kfree(drv); 1976 err: 1977 return ERR_PTR(ret); 1978 } 1979 1980 void iwl_drv_stop(struct iwl_drv *drv) 1981 { 1982 wait_for_completion(&drv->request_firmware_complete); 1983 1984 mutex_lock(&iwlwifi_opmode_table_mtx); 1985 1986 _iwl_op_mode_stop(drv); 1987 1988 iwl_dealloc_ucode(drv); 1989 1990 /* 1991 * List is empty (this item wasn't added) 1992 * when firmware loading failed -- in that 1993 * case we can't remove it from any list. 1994 */ 1995 if (!list_empty(&drv->list)) 1996 list_del(&drv->list); 1997 mutex_unlock(&iwlwifi_opmode_table_mtx); 1998 1999 #ifdef CONFIG_IWLWIFI_DEBUGFS 2000 iwl_trans_debugfs_cleanup(drv->trans); 2001 2002 debugfs_remove_recursive(drv->dbgfs_drv); 2003 #endif 2004 2005 iwl_dbg_tlv_free(drv->trans); 2006 2007 kfree(drv); 2008 } 2009 2010 /* shared module parameters */ 2011 struct iwl_mod_params iwlwifi_mod_params = { 2012 .fw_restart = true, 2013 .bt_coex_active = true, 2014 .power_level = IWL_POWER_INDEX_1, 2015 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 2016 .enable_ini = ENABLE_INI, 2017 /* the rest are 0 by default */ 2018 }; 2019 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 2020 2021 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 2022 { 2023 int i; 2024 struct iwl_drv *drv; 2025 struct iwlwifi_opmode_table *op; 2026 2027 mutex_lock(&iwlwifi_opmode_table_mtx); 2028 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 2029 op = &iwlwifi_opmode_table[i]; 2030 if (strcmp(op->name, name)) 2031 continue; 2032 op->ops = ops; 2033 /* TODO: need to handle exceptional case */ 2034 list_for_each_entry(drv, &op->drv, list) 2035 drv->op_mode = _iwl_op_mode_start(drv, op); 2036 2037 mutex_unlock(&iwlwifi_opmode_table_mtx); 2038 return 0; 2039 } 2040 mutex_unlock(&iwlwifi_opmode_table_mtx); 2041 return -EIO; 2042 } 2043 IWL_EXPORT_SYMBOL(iwl_opmode_register); 2044 2045 void iwl_opmode_deregister(const char *name) 2046 { 2047 int i; 2048 struct iwl_drv *drv; 2049 2050 mutex_lock(&iwlwifi_opmode_table_mtx); 2051 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 2052 if (strcmp(iwlwifi_opmode_table[i].name, name)) 2053 continue; 2054 iwlwifi_opmode_table[i].ops = NULL; 2055 2056 /* call the stop routine for all devices */ 2057 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 2058 _iwl_op_mode_stop(drv); 2059 2060 mutex_unlock(&iwlwifi_opmode_table_mtx); 2061 return; 2062 } 2063 mutex_unlock(&iwlwifi_opmode_table_mtx); 2064 } 2065 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 2066 2067 static int __init iwl_drv_init(void) 2068 { 2069 int i, err; 2070 2071 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 2072 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 2073 2074 #ifdef CONFIG_IWLWIFI_DEBUGFS 2075 /* Create the root of iwlwifi debugfs subsystem. */ 2076 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 2077 #endif 2078 2079 err = iwl_pci_register_driver(); 2080 if (err) 2081 goto cleanup_debugfs; 2082 2083 return 0; 2084 2085 cleanup_debugfs: 2086 #ifdef CONFIG_IWLWIFI_DEBUGFS 2087 debugfs_remove_recursive(iwl_dbgfs_root); 2088 #endif 2089 return err; 2090 } 2091 module_init(iwl_drv_init); 2092 2093 static void __exit iwl_drv_exit(void) 2094 { 2095 iwl_pci_unregister_driver(); 2096 iwl_trans_free_restart_list(); 2097 2098 #ifdef CONFIG_IWLWIFI_DEBUGFS 2099 debugfs_remove_recursive(iwl_dbgfs_root); 2100 #endif 2101 } 2102 module_exit(iwl_drv_exit); 2103 2104 #ifdef CONFIG_IWLWIFI_DEBUG 2105 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644); 2106 MODULE_PARM_DESC(debug, "debug output mask"); 2107 #endif 2108 2109 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444); 2110 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 2111 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444); 2112 MODULE_PARM_DESC(11n_disable, 2113 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 2114 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444); 2115 MODULE_PARM_DESC(amsdu_size, 2116 "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, " 2117 "4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0)"); 2118 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444); 2119 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 2120 2121 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444); 2122 MODULE_PARM_DESC(nvm_file, "NVM file name"); 2123 2124 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); 2125 MODULE_PARM_DESC(uapsd_disable, 2126 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 2127 2128 module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, uint, 0444); 2129 MODULE_PARM_DESC(enable_ini, 2130 "0:disable, 1-15:FW_DBG_PRESET Values, 16:enabled without preset value defined," 2131 "Debug INI TLV FW debug infrastructure (default: 16)"); 2132 2133 /* 2134 * set bt_coex_active to true, uCode will do kill/defer 2135 * every time the priority line is asserted (BT is sending signals on the 2136 * priority line in the PCIx). 2137 * set bt_coex_active to false, uCode will ignore the BT activity and 2138 * perform the normal operation 2139 * 2140 * User might experience transmit issue on some platform due to WiFi/BT 2141 * co-exist problem. The possible behaviors are: 2142 * Able to scan and finding all the available AP 2143 * Not able to associate with any AP 2144 * On those platforms, WiFi communication can be restored by set 2145 * "bt_coex_active" module parameter to "false" 2146 * 2147 * default: bt_coex_active = true (BT_COEX_ENABLE) 2148 */ 2149 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 2150 bool, 0444); 2151 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 2152 2153 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444); 2154 MODULE_PARM_DESC(led_mode, "0=system default, " 2155 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 2156 2157 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444); 2158 MODULE_PARM_DESC(power_save, 2159 "enable WiFi power management (default: disable)"); 2160 2161 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444); 2162 MODULE_PARM_DESC(power_level, 2163 "default power save level (range from 1 - 5, default: 1)"); 2164 2165 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444); 2166 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 2167 2168 module_param_named(remove_when_gone, 2169 iwlwifi_mod_params.remove_when_gone, bool, 2170 0444); 2171 MODULE_PARM_DESC(remove_when_gone, 2172 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)"); 2173 2174 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, 2175 S_IRUGO); 2176 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)"); 2177 2178 module_param_named(disable_11be, iwlwifi_mod_params.disable_11be, bool, 0444); 2179 MODULE_PARM_DESC(disable_11be, "Disable EHT capabilities (default: false)"); 2180