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