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