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