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