1 /******************************************************************************
2  *
3  * This file is provided under a dual BSD/GPLv2 license.  When using or
4  * redistributing this file, you may do so under either license.
5  *
6  * GPL LICENSE SUMMARY
7  *
8  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
11  * Copyright(c) 2018 - 2019 Intel Corporation
12  *
13  * This program is free software; you can redistribute it and/or modify
14  * it under the terms of version 2 of the GNU General Public License as
15  * published by the Free Software Foundation.
16  *
17  * This program is distributed in the hope that it will be useful, but
18  * WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
20  * General Public License for more details.
21  *
22  * The full GNU General Public License is included in this distribution
23  * in the file called COPYING.
24  *
25  * Contact Information:
26  *  Intel Linux Wireless <linuxwifi@intel.com>
27  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
28  *
29  * BSD LICENSE
30  *
31  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
32  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
33  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
34  * Copyright(c) 2018 - 2019 Intel Corporation
35  * All rights reserved.
36  *
37  * Redistribution and use in source and binary forms, with or without
38  * modification, are permitted provided that the following conditions
39  * are met:
40  *
41  *  * Redistributions of source code must retain the above copyright
42  *    notice, this list of conditions and the following disclaimer.
43  *  * Redistributions in binary form must reproduce the above copyright
44  *    notice, this list of conditions and the following disclaimer in
45  *    the documentation and/or other materials provided with the
46  *    distribution.
47  *  * Neither the name Intel Corporation nor the names of its
48  *    contributors may be used to endorse or promote products derived
49  *    from this software without specific prior written permission.
50  *
51  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
52  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
53  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
54  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
55  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
56  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
57  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
58  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
59  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
60  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
61  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62  *
63  *****************************************************************************/
64 #include <linux/vmalloc.h>
65 #include <linux/ieee80211.h>
66 #include <linux/netdevice.h>
67 
68 #include "mvm.h"
69 #include "sta.h"
70 #include "iwl-io.h"
71 #include "debugfs.h"
72 #include "iwl-modparams.h"
73 #include "fw/error-dump.h"
74 
75 static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file,
76 					  char __user *user_buf,
77 					  size_t count, loff_t *ppos)
78 {
79 	struct iwl_mvm *mvm = file->private_data;
80 	char buf[16];
81 	int pos, budget;
82 
83 	if (!iwl_mvm_is_ctdp_supported(mvm))
84 		return -EOPNOTSUPP;
85 
86 	if (!iwl_mvm_firmware_running(mvm) ||
87 	    mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
88 		return -EIO;
89 
90 	mutex_lock(&mvm->mutex);
91 	budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0);
92 	mutex_unlock(&mvm->mutex);
93 
94 	if (budget < 0)
95 		return budget;
96 
97 	pos = scnprintf(buf, sizeof(buf), "%d\n", budget);
98 
99 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
100 }
101 
102 static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf,
103 					 size_t count, loff_t *ppos)
104 {
105 	int ret;
106 
107 	if (!iwl_mvm_is_ctdp_supported(mvm))
108 		return -EOPNOTSUPP;
109 
110 	if (!iwl_mvm_firmware_running(mvm) ||
111 	    mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
112 		return -EIO;
113 
114 	mutex_lock(&mvm->mutex);
115 	ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0);
116 	mutex_unlock(&mvm->mutex);
117 
118 	return ret ?: count;
119 }
120 
121 static ssize_t iwl_dbgfs_force_ctkill_write(struct iwl_mvm *mvm, char *buf,
122 					    size_t count, loff_t *ppos)
123 {
124 	if (!iwl_mvm_firmware_running(mvm) ||
125 	    mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
126 		return -EIO;
127 
128 	iwl_mvm_enter_ctkill(mvm);
129 
130 	return count;
131 }
132 
133 static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
134 					size_t count, loff_t *ppos)
135 {
136 	int ret;
137 	u32 flush_arg;
138 
139 	if (!iwl_mvm_firmware_running(mvm) ||
140 	    mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
141 		return -EIO;
142 
143 	if (kstrtou32(buf, 0, &flush_arg))
144 		return -EINVAL;
145 
146 	if (iwl_mvm_has_new_tx_api(mvm)) {
147 		IWL_DEBUG_TX_QUEUES(mvm,
148 				    "FLUSHING all tids queues on sta_id = %d\n",
149 				    flush_arg);
150 		mutex_lock(&mvm->mutex);
151 		ret = iwl_mvm_flush_sta_tids(mvm, flush_arg, 0xFF, 0) ? : count;
152 		mutex_unlock(&mvm->mutex);
153 		return ret;
154 	}
155 
156 	IWL_DEBUG_TX_QUEUES(mvm, "FLUSHING queues mask to flush = 0x%x\n",
157 			    flush_arg);
158 
159 	mutex_lock(&mvm->mutex);
160 	ret =  iwl_mvm_flush_tx_path(mvm, flush_arg, 0) ? : count;
161 	mutex_unlock(&mvm->mutex);
162 
163 	return ret;
164 }
165 
166 static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf,
167 					 size_t count, loff_t *ppos)
168 {
169 	struct iwl_mvm_sta *mvmsta;
170 	int sta_id, drain, ret;
171 
172 	if (!iwl_mvm_firmware_running(mvm) ||
173 	    mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
174 		return -EIO;
175 
176 	if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
177 		return -EINVAL;
178 	if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT)
179 		return -EINVAL;
180 	if (drain < 0 || drain > 1)
181 		return -EINVAL;
182 
183 	mutex_lock(&mvm->mutex);
184 
185 	mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
186 
187 	if (!mvmsta)
188 		ret = -ENOENT;
189 	else
190 		ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count;
191 
192 	mutex_unlock(&mvm->mutex);
193 
194 	return ret;
195 }
196 
197 static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
198 				   size_t count, loff_t *ppos)
199 {
200 	struct iwl_mvm *mvm = file->private_data;
201 	const struct fw_img *img;
202 	unsigned int ofs, len;
203 	size_t ret;
204 	u8 *ptr;
205 
206 	if (!iwl_mvm_firmware_running(mvm))
207 		return -EINVAL;
208 
209 	/* default is to dump the entire data segment */
210 	img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
211 	ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
212 	len = img->sec[IWL_UCODE_SECTION_DATA].len;
213 
214 	if (mvm->dbgfs_sram_len) {
215 		ofs = mvm->dbgfs_sram_offset;
216 		len = mvm->dbgfs_sram_len;
217 	}
218 
219 	ptr = kzalloc(len, GFP_KERNEL);
220 	if (!ptr)
221 		return -ENOMEM;
222 
223 	iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
224 
225 	ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
226 
227 	kfree(ptr);
228 
229 	return ret;
230 }
231 
232 static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
233 				    size_t count, loff_t *ppos)
234 {
235 	const struct fw_img *img;
236 	u32 offset, len;
237 	u32 img_offset, img_len;
238 
239 	if (!iwl_mvm_firmware_running(mvm))
240 		return -EINVAL;
241 
242 	img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
243 	img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
244 	img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
245 
246 	if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
247 		if ((offset & 0x3) || (len & 0x3))
248 			return -EINVAL;
249 
250 		if (offset + len > img_offset + img_len)
251 			return -EINVAL;
252 
253 		mvm->dbgfs_sram_offset = offset;
254 		mvm->dbgfs_sram_len = len;
255 	} else {
256 		mvm->dbgfs_sram_offset = 0;
257 		mvm->dbgfs_sram_len = 0;
258 	}
259 
260 	return count;
261 }
262 
263 static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
264 						  char __user *user_buf,
265 						  size_t count, loff_t *ppos)
266 {
267 	struct iwl_mvm *mvm = file->private_data;
268 	char buf[16];
269 	int pos;
270 
271 	if (!mvm->temperature_test)
272 		pos = scnprintf(buf , sizeof(buf), "disabled\n");
273 	else
274 		pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature);
275 
276 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
277 }
278 
279 /*
280  * Set NIC Temperature
281  * Cause the driver to ignore the actual NIC temperature reported by the FW
282  * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -
283  * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
284  * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
285  */
286 static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
287 						   char *buf, size_t count,
288 						   loff_t *ppos)
289 {
290 	int temperature;
291 
292 	if (!iwl_mvm_firmware_running(mvm) && !mvm->temperature_test)
293 		return -EIO;
294 
295 	if (kstrtoint(buf, 10, &temperature))
296 		return -EINVAL;
297 	/* not a legal temperature */
298 	if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
299 	     temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
300 	    temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
301 		return -EINVAL;
302 
303 	mutex_lock(&mvm->mutex);
304 	if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
305 		if (!mvm->temperature_test)
306 			goto out;
307 
308 		mvm->temperature_test = false;
309 		/* Since we can't read the temp while awake, just set
310 		 * it to zero until we get the next RX stats from the
311 		 * firmware.
312 		 */
313 		mvm->temperature = 0;
314 	} else {
315 		mvm->temperature_test = true;
316 		mvm->temperature = temperature;
317 	}
318 	IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
319 		       mvm->temperature_test ? "En" : "Dis" ,
320 		       mvm->temperature);
321 	/* handle the temperature change */
322 	iwl_mvm_tt_handler(mvm);
323 
324 out:
325 	mutex_unlock(&mvm->mutex);
326 
327 	return count;
328 }
329 
330 static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
331 				       char __user *user_buf,
332 				       size_t count, loff_t *ppos)
333 {
334 	struct iwl_mvm *mvm = file->private_data;
335 	char buf[16];
336 	int pos, ret;
337 	s32 temp;
338 
339 	if (!iwl_mvm_firmware_running(mvm))
340 		return -EIO;
341 
342 	mutex_lock(&mvm->mutex);
343 	ret = iwl_mvm_get_temp(mvm, &temp);
344 	mutex_unlock(&mvm->mutex);
345 
346 	if (ret)
347 		return -EIO;
348 
349 	pos = scnprintf(buf , sizeof(buf), "%d\n", temp);
350 
351 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
352 }
353 
354 #ifdef CONFIG_ACPI
355 static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file,
356 					      char __user *user_buf,
357 					      size_t count, loff_t *ppos)
358 {
359 	struct iwl_mvm *mvm = file->private_data;
360 	char buf[256];
361 	int pos = 0;
362 	int bufsz = sizeof(buf);
363 	int tbl_idx;
364 	u8 *value;
365 
366 	if (!iwl_mvm_firmware_running(mvm))
367 		return -EIO;
368 
369 	mutex_lock(&mvm->mutex);
370 	tbl_idx = iwl_mvm_get_sar_geo_profile(mvm);
371 	if (tbl_idx < 0) {
372 		mutex_unlock(&mvm->mutex);
373 		return tbl_idx;
374 	}
375 
376 	if (!tbl_idx) {
377 		pos = scnprintf(buf, bufsz,
378 				"SAR geographic profile disabled\n");
379 	} else {
380 		value = &mvm->geo_profiles[tbl_idx - 1].values[0];
381 
382 		pos += scnprintf(buf + pos, bufsz - pos,
383 				 "Use geographic profile %d\n", tbl_idx);
384 		pos += scnprintf(buf + pos, bufsz - pos,
385 				 "2.4GHz:\n\tChain A offset: %hhd dBm\n\tChain B offset: %hhd dBm\n\tmax tx power: %hhd dBm\n",
386 				 value[1], value[2], value[0]);
387 		pos += scnprintf(buf + pos, bufsz - pos,
388 				 "5.2GHz:\n\tChain A offset: %hhd dBm\n\tChain B offset: %hhd dBm\n\tmax tx power: %hhd dBm\n",
389 				 value[4], value[5], value[3]);
390 	}
391 	mutex_unlock(&mvm->mutex);
392 
393 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
394 }
395 #endif
396 
397 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
398 				       size_t count, loff_t *ppos)
399 {
400 	struct iwl_mvm *mvm = file->private_data;
401 	struct ieee80211_sta *sta;
402 	char buf[400];
403 	int i, pos = 0, bufsz = sizeof(buf);
404 
405 	mutex_lock(&mvm->mutex);
406 
407 	for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) {
408 		pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
409 		sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
410 						lockdep_is_held(&mvm->mutex));
411 		if (!sta)
412 			pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
413 		else if (IS_ERR(sta))
414 			pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
415 					 PTR_ERR(sta));
416 		else
417 			pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
418 					 sta->addr);
419 	}
420 
421 	mutex_unlock(&mvm->mutex);
422 
423 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
424 }
425 
426 static ssize_t iwl_dbgfs_rs_data_read(struct file *file, char __user *user_buf,
427 				      size_t count, loff_t *ppos)
428 {
429 	struct ieee80211_sta *sta = file->private_data;
430 	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
431 	struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw;
432 	struct iwl_mvm *mvm = lq_sta->pers.drv;
433 	static const size_t bufsz = 2048;
434 	char *buff;
435 	int desc = 0;
436 	ssize_t ret;
437 
438 	buff = kmalloc(bufsz, GFP_KERNEL);
439 	if (!buff)
440 		return -ENOMEM;
441 
442 	mutex_lock(&mvm->mutex);
443 
444 	desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n",
445 			  lq_sta->pers.sta_id);
446 	desc += scnprintf(buff + desc, bufsz - desc,
447 			  "fixed rate 0x%X\n",
448 			  lq_sta->pers.dbg_fixed_rate);
449 	desc += scnprintf(buff + desc, bufsz - desc,
450 			  "A-MPDU size limit %d\n",
451 			  lq_sta->pers.dbg_agg_frame_count_lim);
452 	desc += scnprintf(buff + desc, bufsz - desc,
453 			  "valid_tx_ant %s%s%s\n",
454 		(iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
455 		(iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "",
456 		(iwl_mvm_get_valid_tx_ant(mvm) & ANT_C) ? "ANT_C" : "");
457 	desc += scnprintf(buff + desc, bufsz - desc,
458 			  "last tx rate=0x%X ",
459 			  lq_sta->last_rate_n_flags);
460 
461 	desc += rs_pretty_print_rate(buff + desc, bufsz - desc,
462 				     lq_sta->last_rate_n_flags);
463 	mutex_unlock(&mvm->mutex);
464 
465 	ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
466 	kfree(buff);
467 	return ret;
468 }
469 
470 static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
471 						char __user *user_buf,
472 						size_t count, loff_t *ppos)
473 {
474 	struct iwl_mvm *mvm = file->private_data;
475 	char buf[64];
476 	int bufsz = sizeof(buf);
477 	int pos = 0;
478 
479 	pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
480 			 mvm->disable_power_off);
481 	pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
482 			 mvm->disable_power_off_d3);
483 
484 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
485 }
486 
487 static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
488 						 size_t count, loff_t *ppos)
489 {
490 	int ret, val;
491 
492 	if (!iwl_mvm_firmware_running(mvm))
493 		return -EIO;
494 
495 	if (!strncmp("disable_power_off_d0=", buf, 21)) {
496 		if (sscanf(buf + 21, "%d", &val) != 1)
497 			return -EINVAL;
498 		mvm->disable_power_off = val;
499 	} else if (!strncmp("disable_power_off_d3=", buf, 21)) {
500 		if (sscanf(buf + 21, "%d", &val) != 1)
501 			return -EINVAL;
502 		mvm->disable_power_off_d3 = val;
503 	} else {
504 		return -EINVAL;
505 	}
506 
507 	mutex_lock(&mvm->mutex);
508 	ret = iwl_mvm_power_update_device(mvm);
509 	mutex_unlock(&mvm->mutex);
510 
511 	return ret ?: count;
512 }
513 
514 static
515 int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf,
516 			   int pos, int bufsz)
517 {
518 	pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
519 
520 	BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
521 	BT_MBOX_PRINT(0, LE_PROF1, false);
522 	BT_MBOX_PRINT(0, LE_PROF2, false);
523 	BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
524 	BT_MBOX_PRINT(0, CHL_SEQ_N, false);
525 	BT_MBOX_PRINT(0, INBAND_S, false);
526 	BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
527 	BT_MBOX_PRINT(0, LE_SCAN, false);
528 	BT_MBOX_PRINT(0, LE_ADV, false);
529 	BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
530 	BT_MBOX_PRINT(0, OPEN_CON_1, true);
531 
532 	pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
533 
534 	BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
535 	BT_MBOX_PRINT(1, IP_SR, false);
536 	BT_MBOX_PRINT(1, LE_MSTR, false);
537 	BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
538 	BT_MBOX_PRINT(1, MSG_TYPE, false);
539 	BT_MBOX_PRINT(1, SSN, true);
540 
541 	pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
542 
543 	BT_MBOX_PRINT(2, SNIFF_ACT, false);
544 	BT_MBOX_PRINT(2, PAG, false);
545 	BT_MBOX_PRINT(2, INQUIRY, false);
546 	BT_MBOX_PRINT(2, CONN, false);
547 	BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
548 	BT_MBOX_PRINT(2, DISC, false);
549 	BT_MBOX_PRINT(2, SCO_TX_ACT, false);
550 	BT_MBOX_PRINT(2, SCO_RX_ACT, false);
551 	BT_MBOX_PRINT(2, ESCO_RE_TX, false);
552 	BT_MBOX_PRINT(2, SCO_DURATION, true);
553 
554 	pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
555 
556 	BT_MBOX_PRINT(3, SCO_STATE, false);
557 	BT_MBOX_PRINT(3, SNIFF_STATE, false);
558 	BT_MBOX_PRINT(3, A2DP_STATE, false);
559 	BT_MBOX_PRINT(3, A2DP_SRC, false);
560 	BT_MBOX_PRINT(3, ACL_STATE, false);
561 	BT_MBOX_PRINT(3, MSTR_STATE, false);
562 	BT_MBOX_PRINT(3, OBX_STATE, false);
563 	BT_MBOX_PRINT(3, OPEN_CON_2, false);
564 	BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
565 	BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
566 	BT_MBOX_PRINT(3, INBAND_P, false);
567 	BT_MBOX_PRINT(3, MSG_TYPE_2, false);
568 	BT_MBOX_PRINT(3, SSN_2, false);
569 	BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
570 
571 	return pos;
572 }
573 
574 static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
575 				       size_t count, loff_t *ppos)
576 {
577 	struct iwl_mvm *mvm = file->private_data;
578 	struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
579 	char *buf;
580 	int ret, pos = 0, bufsz = sizeof(char) * 1024;
581 
582 	buf = kmalloc(bufsz, GFP_KERNEL);
583 	if (!buf)
584 		return -ENOMEM;
585 
586 	mutex_lock(&mvm->mutex);
587 
588 	pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz);
589 
590 	pos += scnprintf(buf + pos, bufsz - pos, "bt_ci_compliance = %d\n",
591 			 notif->bt_ci_compliance);
592 	pos += scnprintf(buf + pos, bufsz - pos, "primary_ch_lut = %d\n",
593 			 le32_to_cpu(notif->primary_ch_lut));
594 	pos += scnprintf(buf + pos, bufsz - pos, "secondary_ch_lut = %d\n",
595 			 le32_to_cpu(notif->secondary_ch_lut));
596 	pos += scnprintf(buf + pos,
597 			 bufsz - pos, "bt_activity_grading = %d\n",
598 			 le32_to_cpu(notif->bt_activity_grading));
599 	pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n",
600 			 notif->rrc_status & 0xF);
601 	pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n",
602 			 notif->ttc_status & 0xF);
603 
604 	pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n",
605 			 IWL_MVM_BT_COEX_SYNC2SCO);
606 	pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n",
607 			 IWL_MVM_BT_COEX_MPLUT);
608 
609 	mutex_unlock(&mvm->mutex);
610 
611 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
612 	kfree(buf);
613 
614 	return ret;
615 }
616 #undef BT_MBOX_PRINT
617 
618 static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
619 				     size_t count, loff_t *ppos)
620 {
621 	struct iwl_mvm *mvm = file->private_data;
622 	struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
623 	char buf[256];
624 	int bufsz = sizeof(buf);
625 	int pos = 0;
626 
627 	mutex_lock(&mvm->mutex);
628 
629 	pos += scnprintf(buf + pos, bufsz - pos, "Channel inhibition CMD\n");
630 	pos += scnprintf(buf + pos, bufsz - pos,
631 			 "\tPrimary Channel Bitmap 0x%016llx\n",
632 			 le64_to_cpu(cmd->bt_primary_ci));
633 	pos += scnprintf(buf + pos, bufsz - pos,
634 			 "\tSecondary Channel Bitmap 0x%016llx\n",
635 			 le64_to_cpu(cmd->bt_secondary_ci));
636 
637 	mutex_unlock(&mvm->mutex);
638 
639 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
640 }
641 
642 static ssize_t
643 iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
644 			   size_t count, loff_t *ppos)
645 {
646 	u32 bt_tx_prio;
647 
648 	if (sscanf(buf, "%u", &bt_tx_prio) != 1)
649 		return -EINVAL;
650 	if (bt_tx_prio > 4)
651 		return -EINVAL;
652 
653 	mvm->bt_tx_prio = bt_tx_prio;
654 
655 	return count;
656 }
657 
658 static ssize_t
659 iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
660 			     size_t count, loff_t *ppos)
661 {
662 	static const char * const modes_str[BT_FORCE_ANT_MAX] = {
663 		[BT_FORCE_ANT_DIS] = "dis",
664 		[BT_FORCE_ANT_AUTO] = "auto",
665 		[BT_FORCE_ANT_BT] = "bt",
666 		[BT_FORCE_ANT_WIFI] = "wifi",
667 	};
668 	int ret, bt_force_ant_mode;
669 
670 	ret = match_string(modes_str, ARRAY_SIZE(modes_str), buf);
671 	if (ret < 0)
672 		return ret;
673 
674 	bt_force_ant_mode = ret;
675 	ret = 0;
676 	mutex_lock(&mvm->mutex);
677 	if (mvm->bt_force_ant_mode == bt_force_ant_mode)
678 		goto out;
679 
680 	mvm->bt_force_ant_mode = bt_force_ant_mode;
681 	IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
682 		       modes_str[mvm->bt_force_ant_mode]);
683 
684 	if (iwl_mvm_firmware_running(mvm))
685 		ret = iwl_mvm_send_bt_init_conf(mvm);
686 	else
687 		ret = 0;
688 
689 out:
690 	mutex_unlock(&mvm->mutex);
691 	return ret ?: count;
692 }
693 
694 static ssize_t iwl_dbgfs_fw_ver_read(struct file *file, char __user *user_buf,
695 				     size_t count, loff_t *ppos)
696 {
697 	struct iwl_mvm *mvm = file->private_data;
698 	char *buff, *pos, *endpos;
699 	static const size_t bufsz = 1024;
700 	int ret;
701 
702 	buff = kmalloc(bufsz, GFP_KERNEL);
703 	if (!buff)
704 		return -ENOMEM;
705 
706 	pos = buff;
707 	endpos = pos + bufsz;
708 
709 	pos += scnprintf(pos, endpos - pos, "FW prefix: %s\n",
710 			 mvm->trans->cfg->fw_name_pre);
711 	pos += scnprintf(pos, endpos - pos, "FW: %s\n",
712 			 mvm->fwrt.fw->human_readable);
713 	pos += scnprintf(pos, endpos - pos, "Device: %s\n",
714 			 mvm->fwrt.trans->cfg->name);
715 	pos += scnprintf(pos, endpos - pos, "Bus: %s\n",
716 			 mvm->fwrt.dev->bus->name);
717 
718 	ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
719 	kfree(buff);
720 
721 	return ret;
722 }
723 
724 #define PRINT_STATS_LE32(_struct, _memb)				\
725 			 pos += scnprintf(buf + pos, bufsz - pos,	\
726 					  fmt_table, #_memb,		\
727 					  le32_to_cpu(_struct->_memb))
728 
729 static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
730 					  char __user *user_buf, size_t count,
731 					  loff_t *ppos)
732 {
733 	struct iwl_mvm *mvm = file->private_data;
734 	static const char *fmt_table = "\t%-30s %10u\n";
735 	static const char *fmt_header = "%-32s\n";
736 	int pos = 0;
737 	char *buf;
738 	int ret;
739 	size_t bufsz;
740 
741 	if (iwl_mvm_has_new_rx_stats_api(mvm))
742 		bufsz = ((sizeof(struct mvm_statistics_rx) /
743 			  sizeof(__le32)) * 43) + (4 * 33) + 1;
744 	else
745 		/* 43 = size of each data line; 33 = size of each header */
746 		bufsz = ((sizeof(struct mvm_statistics_rx_v3) /
747 			  sizeof(__le32)) * 43) + (4 * 33) + 1;
748 
749 	buf = kzalloc(bufsz, GFP_KERNEL);
750 	if (!buf)
751 		return -ENOMEM;
752 
753 	mutex_lock(&mvm->mutex);
754 
755 	if (iwl_mvm_firmware_running(mvm))
756 		iwl_mvm_request_statistics(mvm, false);
757 
758 	pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
759 			 "Statistics_Rx - OFDM");
760 	if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
761 		struct mvm_statistics_rx_phy_v2 *ofdm = &mvm->rx_stats_v3.ofdm;
762 
763 		PRINT_STATS_LE32(ofdm, ina_cnt);
764 		PRINT_STATS_LE32(ofdm, fina_cnt);
765 		PRINT_STATS_LE32(ofdm, plcp_err);
766 		PRINT_STATS_LE32(ofdm, crc32_err);
767 		PRINT_STATS_LE32(ofdm, overrun_err);
768 		PRINT_STATS_LE32(ofdm, early_overrun_err);
769 		PRINT_STATS_LE32(ofdm, crc32_good);
770 		PRINT_STATS_LE32(ofdm, false_alarm_cnt);
771 		PRINT_STATS_LE32(ofdm, fina_sync_err_cnt);
772 		PRINT_STATS_LE32(ofdm, sfd_timeout);
773 		PRINT_STATS_LE32(ofdm, fina_timeout);
774 		PRINT_STATS_LE32(ofdm, unresponded_rts);
775 		PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
776 		PRINT_STATS_LE32(ofdm, sent_ack_cnt);
777 		PRINT_STATS_LE32(ofdm, sent_cts_cnt);
778 		PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
779 		PRINT_STATS_LE32(ofdm, dsp_self_kill);
780 		PRINT_STATS_LE32(ofdm, mh_format_err);
781 		PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum);
782 		PRINT_STATS_LE32(ofdm, reserved);
783 	} else {
784 		struct mvm_statistics_rx_phy *ofdm = &mvm->rx_stats.ofdm;
785 
786 		PRINT_STATS_LE32(ofdm, unresponded_rts);
787 		PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
788 		PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
789 		PRINT_STATS_LE32(ofdm, dsp_self_kill);
790 		PRINT_STATS_LE32(ofdm, reserved);
791 	}
792 
793 	pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
794 			 "Statistics_Rx - CCK");
795 	if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
796 		struct mvm_statistics_rx_phy_v2 *cck = &mvm->rx_stats_v3.cck;
797 
798 		PRINT_STATS_LE32(cck, ina_cnt);
799 		PRINT_STATS_LE32(cck, fina_cnt);
800 		PRINT_STATS_LE32(cck, plcp_err);
801 		PRINT_STATS_LE32(cck, crc32_err);
802 		PRINT_STATS_LE32(cck, overrun_err);
803 		PRINT_STATS_LE32(cck, early_overrun_err);
804 		PRINT_STATS_LE32(cck, crc32_good);
805 		PRINT_STATS_LE32(cck, false_alarm_cnt);
806 		PRINT_STATS_LE32(cck, fina_sync_err_cnt);
807 		PRINT_STATS_LE32(cck, sfd_timeout);
808 		PRINT_STATS_LE32(cck, fina_timeout);
809 		PRINT_STATS_LE32(cck, unresponded_rts);
810 		PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
811 		PRINT_STATS_LE32(cck, sent_ack_cnt);
812 		PRINT_STATS_LE32(cck, sent_cts_cnt);
813 		PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
814 		PRINT_STATS_LE32(cck, dsp_self_kill);
815 		PRINT_STATS_LE32(cck, mh_format_err);
816 		PRINT_STATS_LE32(cck, re_acq_main_rssi_sum);
817 		PRINT_STATS_LE32(cck, reserved);
818 	} else {
819 		struct mvm_statistics_rx_phy *cck = &mvm->rx_stats.cck;
820 
821 		PRINT_STATS_LE32(cck, unresponded_rts);
822 		PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
823 		PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
824 		PRINT_STATS_LE32(cck, dsp_self_kill);
825 		PRINT_STATS_LE32(cck, reserved);
826 	}
827 
828 	pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
829 			 "Statistics_Rx - GENERAL");
830 	if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
831 		struct mvm_statistics_rx_non_phy_v3 *general =
832 			&mvm->rx_stats_v3.general;
833 
834 		PRINT_STATS_LE32(general, bogus_cts);
835 		PRINT_STATS_LE32(general, bogus_ack);
836 		PRINT_STATS_LE32(general, non_bssid_frames);
837 		PRINT_STATS_LE32(general, filtered_frames);
838 		PRINT_STATS_LE32(general, non_channel_beacons);
839 		PRINT_STATS_LE32(general, channel_beacons);
840 		PRINT_STATS_LE32(general, num_missed_bcon);
841 		PRINT_STATS_LE32(general, adc_rx_saturation_time);
842 		PRINT_STATS_LE32(general, ina_detection_search_time);
843 		PRINT_STATS_LE32(general, beacon_silence_rssi_a);
844 		PRINT_STATS_LE32(general, beacon_silence_rssi_b);
845 		PRINT_STATS_LE32(general, beacon_silence_rssi_c);
846 		PRINT_STATS_LE32(general, interference_data_flag);
847 		PRINT_STATS_LE32(general, channel_load);
848 		PRINT_STATS_LE32(general, dsp_false_alarms);
849 		PRINT_STATS_LE32(general, beacon_rssi_a);
850 		PRINT_STATS_LE32(general, beacon_rssi_b);
851 		PRINT_STATS_LE32(general, beacon_rssi_c);
852 		PRINT_STATS_LE32(general, beacon_energy_a);
853 		PRINT_STATS_LE32(general, beacon_energy_b);
854 		PRINT_STATS_LE32(general, beacon_energy_c);
855 		PRINT_STATS_LE32(general, num_bt_kills);
856 		PRINT_STATS_LE32(general, mac_id);
857 		PRINT_STATS_LE32(general, directed_data_mpdu);
858 	} else {
859 		struct mvm_statistics_rx_non_phy *general =
860 			&mvm->rx_stats.general;
861 
862 		PRINT_STATS_LE32(general, bogus_cts);
863 		PRINT_STATS_LE32(general, bogus_ack);
864 		PRINT_STATS_LE32(general, non_channel_beacons);
865 		PRINT_STATS_LE32(general, channel_beacons);
866 		PRINT_STATS_LE32(general, num_missed_bcon);
867 		PRINT_STATS_LE32(general, adc_rx_saturation_time);
868 		PRINT_STATS_LE32(general, ina_detection_search_time);
869 		PRINT_STATS_LE32(general, beacon_silence_rssi_a);
870 		PRINT_STATS_LE32(general, beacon_silence_rssi_b);
871 		PRINT_STATS_LE32(general, beacon_silence_rssi_c);
872 		PRINT_STATS_LE32(general, interference_data_flag);
873 		PRINT_STATS_LE32(general, channel_load);
874 		PRINT_STATS_LE32(general, beacon_rssi_a);
875 		PRINT_STATS_LE32(general, beacon_rssi_b);
876 		PRINT_STATS_LE32(general, beacon_rssi_c);
877 		PRINT_STATS_LE32(general, beacon_energy_a);
878 		PRINT_STATS_LE32(general, beacon_energy_b);
879 		PRINT_STATS_LE32(general, beacon_energy_c);
880 		PRINT_STATS_LE32(general, num_bt_kills);
881 		PRINT_STATS_LE32(general, mac_id);
882 	}
883 
884 	pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
885 			 "Statistics_Rx - HT");
886 	if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
887 		struct mvm_statistics_rx_ht_phy_v1 *ht =
888 			&mvm->rx_stats_v3.ofdm_ht;
889 
890 		PRINT_STATS_LE32(ht, plcp_err);
891 		PRINT_STATS_LE32(ht, overrun_err);
892 		PRINT_STATS_LE32(ht, early_overrun_err);
893 		PRINT_STATS_LE32(ht, crc32_good);
894 		PRINT_STATS_LE32(ht, crc32_err);
895 		PRINT_STATS_LE32(ht, mh_format_err);
896 		PRINT_STATS_LE32(ht, agg_crc32_good);
897 		PRINT_STATS_LE32(ht, agg_mpdu_cnt);
898 		PRINT_STATS_LE32(ht, agg_cnt);
899 		PRINT_STATS_LE32(ht, unsupport_mcs);
900 	} else {
901 		struct mvm_statistics_rx_ht_phy *ht =
902 			&mvm->rx_stats.ofdm_ht;
903 
904 		PRINT_STATS_LE32(ht, mh_format_err);
905 		PRINT_STATS_LE32(ht, agg_mpdu_cnt);
906 		PRINT_STATS_LE32(ht, agg_cnt);
907 		PRINT_STATS_LE32(ht, unsupport_mcs);
908 	}
909 
910 	mutex_unlock(&mvm->mutex);
911 
912 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
913 	kfree(buf);
914 
915 	return ret;
916 }
917 #undef PRINT_STAT_LE32
918 
919 static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
920 					  char __user *user_buf, size_t count,
921 					  loff_t *ppos,
922 					  struct iwl_mvm_frame_stats *stats)
923 {
924 	char *buff, *pos, *endpos;
925 	int idx, i;
926 	int ret;
927 	static const size_t bufsz = 1024;
928 
929 	buff = kmalloc(bufsz, GFP_KERNEL);
930 	if (!buff)
931 		return -ENOMEM;
932 
933 	spin_lock_bh(&mvm->drv_stats_lock);
934 
935 	pos = buff;
936 	endpos = pos + bufsz;
937 
938 	pos += scnprintf(pos, endpos - pos,
939 			 "Legacy/HT/VHT\t:\t%d/%d/%d\n",
940 			 stats->legacy_frames,
941 			 stats->ht_frames,
942 			 stats->vht_frames);
943 	pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
944 			 stats->bw_20_frames,
945 			 stats->bw_40_frames,
946 			 stats->bw_80_frames);
947 	pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
948 			 stats->ngi_frames,
949 			 stats->sgi_frames);
950 	pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
951 			 stats->siso_frames,
952 			 stats->mimo2_frames);
953 	pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
954 			 stats->fail_frames,
955 			 stats->success_frames);
956 	pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
957 			 stats->agg_frames);
958 	pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
959 			 stats->ampdu_count);
960 	pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
961 			 stats->ampdu_count > 0 ?
962 			 (stats->agg_frames / stats->ampdu_count) : 0);
963 
964 	pos += scnprintf(pos, endpos - pos, "Last Rates\n");
965 
966 	idx = stats->last_frame_idx - 1;
967 	for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
968 		idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
969 		if (stats->last_rates[idx] == 0)
970 			continue;
971 		pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
972 				 (int)(ARRAY_SIZE(stats->last_rates) - i));
973 		pos += rs_pretty_print_rate(pos, endpos - pos,
974 					    stats->last_rates[idx]);
975 	}
976 	spin_unlock_bh(&mvm->drv_stats_lock);
977 
978 	ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
979 	kfree(buff);
980 
981 	return ret;
982 }
983 
984 static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
985 					   char __user *user_buf, size_t count,
986 					   loff_t *ppos)
987 {
988 	struct iwl_mvm *mvm = file->private_data;
989 
990 	return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
991 					  &mvm->drv_rx_stats);
992 }
993 
994 static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
995 					  size_t count, loff_t *ppos)
996 {
997 	int __maybe_unused ret;
998 
999 	if (!iwl_mvm_firmware_running(mvm))
1000 		return -EIO;
1001 
1002 	mutex_lock(&mvm->mutex);
1003 
1004 	/* allow one more restart that we're provoking here */
1005 	if (mvm->fw_restart >= 0)
1006 		mvm->fw_restart++;
1007 
1008 	/* take the return value to make compiler happy - it will fail anyway */
1009 	ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, 0, 0, NULL);
1010 
1011 	mutex_unlock(&mvm->mutex);
1012 
1013 	return count;
1014 }
1015 
1016 static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
1017 				      size_t count, loff_t *ppos)
1018 {
1019 	int ret;
1020 
1021 	if (!iwl_mvm_firmware_running(mvm))
1022 		return -EIO;
1023 
1024 	ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI);
1025 	if (ret)
1026 		return ret;
1027 
1028 	iwl_force_nmi(mvm->trans);
1029 
1030 	iwl_mvm_unref(mvm, IWL_MVM_REF_NMI);
1031 
1032 	return count;
1033 }
1034 
1035 static ssize_t
1036 iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
1037 				char __user *user_buf,
1038 				size_t count, loff_t *ppos)
1039 {
1040 	struct iwl_mvm *mvm = file->private_data;
1041 	int pos = 0;
1042 	char buf[32];
1043 	const size_t bufsz = sizeof(buf);
1044 
1045 	/* print which antennas were set for the scan command by the user */
1046 	pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
1047 	if (mvm->scan_rx_ant & ANT_A)
1048 		pos += scnprintf(buf + pos, bufsz - pos, "A");
1049 	if (mvm->scan_rx_ant & ANT_B)
1050 		pos += scnprintf(buf + pos, bufsz - pos, "B");
1051 	if (mvm->scan_rx_ant & ANT_C)
1052 		pos += scnprintf(buf + pos, bufsz - pos, "C");
1053 	pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant);
1054 
1055 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1056 }
1057 
1058 static ssize_t
1059 iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
1060 				 size_t count, loff_t *ppos)
1061 {
1062 	u8 scan_rx_ant;
1063 
1064 	if (!iwl_mvm_firmware_running(mvm))
1065 		return -EIO;
1066 
1067 	if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
1068 		return -EINVAL;
1069 	if (scan_rx_ant > ANT_ABC)
1070 		return -EINVAL;
1071 	if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
1072 		return -EINVAL;
1073 
1074 	if (mvm->scan_rx_ant != scan_rx_ant) {
1075 		mvm->scan_rx_ant = scan_rx_ant;
1076 		if (fw_has_capa(&mvm->fw->ucode_capa,
1077 				IWL_UCODE_TLV_CAPA_UMAC_SCAN))
1078 			iwl_mvm_config_scan(mvm);
1079 	}
1080 
1081 	return count;
1082 }
1083 
1084 static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm,
1085 					       char *buf, size_t count,
1086 					       loff_t *ppos)
1087 {
1088 	struct iwl_rss_config_cmd cmd = {
1089 		.flags = cpu_to_le32(IWL_RSS_ENABLE),
1090 		.hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
1091 			     IWL_RSS_HASH_TYPE_IPV4_UDP |
1092 			     IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
1093 			     IWL_RSS_HASH_TYPE_IPV6_TCP |
1094 			     IWL_RSS_HASH_TYPE_IPV6_UDP |
1095 			     IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
1096 	};
1097 	int ret, i, num_repeats, nbytes = count / 2;
1098 
1099 	ret = hex2bin(cmd.indirection_table, buf, nbytes);
1100 	if (ret)
1101 		return ret;
1102 
1103 	/*
1104 	 * The input is the redirection table, partial or full.
1105 	 * Repeat the pattern if needed.
1106 	 * For example, input of 01020F will be repeated 42 times,
1107 	 * indirecting RSS hash results to queues 1, 2, 15 (skipping
1108 	 * queues 3 - 14).
1109 	 */
1110 	num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes;
1111 	for (i = 1; i < num_repeats; i++)
1112 		memcpy(&cmd.indirection_table[i * nbytes],
1113 		       cmd.indirection_table, nbytes);
1114 	/* handle cut in the middle pattern for the last places */
1115 	memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table,
1116 	       ARRAY_SIZE(cmd.indirection_table) % nbytes);
1117 
1118 	netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
1119 
1120 	mutex_lock(&mvm->mutex);
1121 	if (iwl_mvm_firmware_running(mvm))
1122 		ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0,
1123 					   sizeof(cmd), &cmd);
1124 	else
1125 		ret = 0;
1126 	mutex_unlock(&mvm->mutex);
1127 
1128 	return ret ?: count;
1129 }
1130 
1131 static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm,
1132 					     char *buf, size_t count,
1133 					     loff_t *ppos)
1134 {
1135 	struct iwl_rx_cmd_buffer rxb = {
1136 		._rx_page_order = 0,
1137 		.truesize = 0, /* not used */
1138 		._offset = 0,
1139 	};
1140 	struct iwl_rx_packet *pkt;
1141 	struct iwl_rx_mpdu_desc *desc;
1142 	int bin_len = count / 2;
1143 	int ret = -EINVAL;
1144 	size_t mpdu_cmd_hdr_size =
1145 		(mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) ?
1146 		sizeof(struct iwl_rx_mpdu_desc) :
1147 		IWL_RX_DESC_SIZE_V1;
1148 
1149 	if (!iwl_mvm_firmware_running(mvm))
1150 		return -EIO;
1151 
1152 	/* supporting only 9000 descriptor */
1153 	if (!mvm->trans->cfg->mq_rx_supported)
1154 		return -ENOTSUPP;
1155 
1156 	rxb._page = alloc_pages(GFP_ATOMIC, 0);
1157 	if (!rxb._page)
1158 		return -ENOMEM;
1159 	pkt = rxb_addr(&rxb);
1160 
1161 	ret = hex2bin(page_address(rxb._page), buf, bin_len);
1162 	if (ret)
1163 		goto out;
1164 
1165 	/* avoid invalid memory access */
1166 	if (bin_len < sizeof(*pkt) + mpdu_cmd_hdr_size)
1167 		goto out;
1168 
1169 	/* check this is RX packet */
1170 	if (WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd) !=
1171 	    WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))
1172 		goto out;
1173 
1174 	/* check the length in metadata matches actual received length */
1175 	desc = (void *)pkt->data;
1176 	if (le16_to_cpu(desc->mpdu_len) !=
1177 	    (bin_len - mpdu_cmd_hdr_size - sizeof(*pkt)))
1178 		goto out;
1179 
1180 	local_bh_disable();
1181 	iwl_mvm_rx_mpdu_mq(mvm, NULL, &rxb, 0);
1182 	local_bh_enable();
1183 	ret = 0;
1184 
1185 out:
1186 	iwl_free_rxb(&rxb);
1187 
1188 	return ret ?: count;
1189 }
1190 
1191 static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
1192 {
1193 	struct ieee80211_vif *vif;
1194 	struct iwl_mvm_vif *mvmvif;
1195 	struct sk_buff *beacon;
1196 	struct ieee80211_tx_info *info;
1197 	struct iwl_mac_beacon_cmd beacon_cmd = {};
1198 	u8 rate;
1199 	u16 flags;
1200 	int i;
1201 
1202 	len /= 2;
1203 
1204 	/* Element len should be represented by u8 */
1205 	if (len >= U8_MAX)
1206 		return -EINVAL;
1207 
1208 	if (!iwl_mvm_firmware_running(mvm))
1209 		return -EIO;
1210 
1211 	if (!iwl_mvm_has_new_tx_api(mvm) &&
1212 	    !fw_has_api(&mvm->fw->ucode_capa,
1213 			IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE))
1214 		return -EINVAL;
1215 
1216 	rcu_read_lock();
1217 
1218 	for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) {
1219 		vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, true);
1220 		if (!vif)
1221 			continue;
1222 
1223 		if (vif->type == NL80211_IFTYPE_AP)
1224 			break;
1225 	}
1226 
1227 	if (i == NUM_MAC_INDEX_DRIVER || !vif)
1228 		goto out_err;
1229 
1230 	mvm->hw->extra_beacon_tailroom = len;
1231 
1232 	beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL);
1233 	if (!beacon)
1234 		goto out_err;
1235 
1236 	if (len && hex2bin(skb_put_zero(beacon, len), bin, len)) {
1237 		dev_kfree_skb(beacon);
1238 		goto out_err;
1239 	}
1240 
1241 	mvm->beacon_inject_active = true;
1242 
1243 	mvmvif = iwl_mvm_vif_from_mac80211(vif);
1244 	info = IEEE80211_SKB_CB(beacon);
1245 	rate = iwl_mvm_mac_ctxt_get_lowest_rate(info, vif);
1246 	flags = iwl_mvm_mac80211_idx_to_hwrate(rate);
1247 
1248 	if (rate == IWL_FIRST_CCK_RATE)
1249 		flags |= IWL_MAC_BEACON_CCK;
1250 
1251 	beacon_cmd.flags = cpu_to_le16(flags);
1252 	beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len);
1253 	beacon_cmd.template_id = cpu_to_le32((u32)mvmvif->id);
1254 
1255 	iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx,
1256 				 &beacon_cmd.tim_size,
1257 				 beacon->data, beacon->len);
1258 
1259 	mutex_lock(&mvm->mutex);
1260 	iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd,
1261 					 sizeof(beacon_cmd));
1262 	mutex_unlock(&mvm->mutex);
1263 
1264 	dev_kfree_skb(beacon);
1265 
1266 	rcu_read_unlock();
1267 	return 0;
1268 
1269 out_err:
1270 	rcu_read_unlock();
1271 	return -EINVAL;
1272 }
1273 
1274 static ssize_t iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm *mvm,
1275 						char *buf, size_t count,
1276 						loff_t *ppos)
1277 {
1278 	int ret = _iwl_dbgfs_inject_beacon_ie(mvm, buf, count);
1279 
1280 	mvm->hw->extra_beacon_tailroom = 0;
1281 	return ret ?: count;
1282 }
1283 
1284 static ssize_t iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm *mvm,
1285 							char *buf,
1286 							size_t count,
1287 							loff_t *ppos)
1288 {
1289 	int ret = _iwl_dbgfs_inject_beacon_ie(mvm, NULL, 0);
1290 
1291 	mvm->hw->extra_beacon_tailroom = 0;
1292 	mvm->beacon_inject_active = false;
1293 	return ret ?: count;
1294 }
1295 
1296 static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
1297 					  char __user *user_buf,
1298 					  size_t count, loff_t *ppos)
1299 {
1300 	struct iwl_mvm *mvm = file->private_data;
1301 	int conf;
1302 	char buf[8];
1303 	const size_t bufsz = sizeof(buf);
1304 	int pos = 0;
1305 
1306 	mutex_lock(&mvm->mutex);
1307 	conf = mvm->fwrt.dump.conf;
1308 	mutex_unlock(&mvm->mutex);
1309 
1310 	pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
1311 
1312 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1313 }
1314 
1315 static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
1316 					   char *buf, size_t count,
1317 					   loff_t *ppos)
1318 {
1319 	unsigned int conf_id;
1320 	int ret;
1321 
1322 	if (!iwl_mvm_firmware_running(mvm))
1323 		return -EIO;
1324 
1325 	ret = kstrtouint(buf, 0, &conf_id);
1326 	if (ret)
1327 		return ret;
1328 
1329 	if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
1330 		return -EINVAL;
1331 
1332 	mutex_lock(&mvm->mutex);
1333 	ret = iwl_fw_start_dbg_conf(&mvm->fwrt, conf_id);
1334 	mutex_unlock(&mvm->mutex);
1335 
1336 	return ret ?: count;
1337 }
1338 
1339 static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
1340 					      char *buf, size_t count,
1341 					      loff_t *ppos)
1342 {
1343 	int ret;
1344 
1345 	ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
1346 	if (ret)
1347 		return ret;
1348 	if (count == 0)
1349 		return 0;
1350 
1351 	iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, buf,
1352 			   (count - 1));
1353 
1354 	iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
1355 
1356 	return count;
1357 }
1358 
1359 static ssize_t iwl_dbgfs_max_amsdu_len_write(struct iwl_mvm *mvm,
1360 					     char *buf, size_t count,
1361 					     loff_t *ppos)
1362 {
1363 	unsigned int max_amsdu_len;
1364 	int ret;
1365 
1366 	ret = kstrtouint(buf, 0, &max_amsdu_len);
1367 	if (ret)
1368 		return ret;
1369 
1370 	if (max_amsdu_len > IEEE80211_MAX_MPDU_LEN_VHT_11454)
1371 		return -EINVAL;
1372 	mvm->max_amsdu_len = max_amsdu_len;
1373 
1374 	return count;
1375 }
1376 
1377 #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__)
1378 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1379 static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file,
1380 					    char __user *user_buf,
1381 					    size_t count, loff_t *ppos)
1382 {
1383 	struct iwl_mvm *mvm = file->private_data;
1384 	struct iwl_bcast_filter_cmd cmd;
1385 	const struct iwl_fw_bcast_filter *filter;
1386 	char *buf;
1387 	int bufsz = 1024;
1388 	int i, j, pos = 0;
1389 	ssize_t ret;
1390 
1391 	buf = kzalloc(bufsz, GFP_KERNEL);
1392 	if (!buf)
1393 		return -ENOMEM;
1394 
1395 	mutex_lock(&mvm->mutex);
1396 	if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1397 		ADD_TEXT("None\n");
1398 		mutex_unlock(&mvm->mutex);
1399 		goto out;
1400 	}
1401 	mutex_unlock(&mvm->mutex);
1402 
1403 	for (i = 0; cmd.filters[i].attrs[0].mask; i++) {
1404 		filter = &cmd.filters[i];
1405 
1406 		ADD_TEXT("Filter [%d]:\n", i);
1407 		ADD_TEXT("\tDiscard=%d\n", filter->discard);
1408 		ADD_TEXT("\tFrame Type: %s\n",
1409 			 filter->frame_type ? "IPv4" : "Generic");
1410 
1411 		for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) {
1412 			const struct iwl_fw_bcast_filter_attr *attr;
1413 
1414 			attr = &filter->attrs[j];
1415 			if (!attr->mask)
1416 				break;
1417 
1418 			ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n",
1419 				 j, attr->offset,
1420 				 attr->offset_type ? "IP End" :
1421 						     "Payload Start",
1422 				 be32_to_cpu(attr->mask),
1423 				 be32_to_cpu(attr->val),
1424 				 le16_to_cpu(attr->reserved1));
1425 		}
1426 	}
1427 out:
1428 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1429 	kfree(buf);
1430 	return ret;
1431 }
1432 
1433 static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf,
1434 					     size_t count, loff_t *ppos)
1435 {
1436 	int pos, next_pos;
1437 	struct iwl_fw_bcast_filter filter = {};
1438 	struct iwl_bcast_filter_cmd cmd;
1439 	u32 filter_id, attr_id, mask, value;
1440 	int err = 0;
1441 
1442 	if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard,
1443 		   &filter.frame_type, &pos) != 3)
1444 		return -EINVAL;
1445 
1446 	if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) ||
1447 	    filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4)
1448 		return -EINVAL;
1449 
1450 	for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs);
1451 	     attr_id++) {
1452 		struct iwl_fw_bcast_filter_attr *attr =
1453 				&filter.attrs[attr_id];
1454 
1455 		if (pos >= count)
1456 			break;
1457 
1458 		if (sscanf(&buf[pos], "%hhi %hhi %i %i %n",
1459 			   &attr->offset, &attr->offset_type,
1460 			   &mask, &value, &next_pos) != 4)
1461 			return -EINVAL;
1462 
1463 		attr->mask = cpu_to_be32(mask);
1464 		attr->val = cpu_to_be32(value);
1465 		if (mask)
1466 			filter.num_attrs++;
1467 
1468 		pos += next_pos;
1469 	}
1470 
1471 	mutex_lock(&mvm->mutex);
1472 	memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id],
1473 	       &filter, sizeof(filter));
1474 
1475 	/* send updated bcast filtering configuration */
1476 	if (iwl_mvm_firmware_running(mvm) &&
1477 	    mvm->dbgfs_bcast_filtering.override &&
1478 	    iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1479 		err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1480 					   sizeof(cmd), &cmd);
1481 	mutex_unlock(&mvm->mutex);
1482 
1483 	return err ?: count;
1484 }
1485 
1486 static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file,
1487 						 char __user *user_buf,
1488 						 size_t count, loff_t *ppos)
1489 {
1490 	struct iwl_mvm *mvm = file->private_data;
1491 	struct iwl_bcast_filter_cmd cmd;
1492 	char *buf;
1493 	int bufsz = 1024;
1494 	int i, pos = 0;
1495 	ssize_t ret;
1496 
1497 	buf = kzalloc(bufsz, GFP_KERNEL);
1498 	if (!buf)
1499 		return -ENOMEM;
1500 
1501 	mutex_lock(&mvm->mutex);
1502 	if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1503 		ADD_TEXT("None\n");
1504 		mutex_unlock(&mvm->mutex);
1505 		goto out;
1506 	}
1507 	mutex_unlock(&mvm->mutex);
1508 
1509 	for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) {
1510 		const struct iwl_fw_bcast_mac *mac = &cmd.macs[i];
1511 
1512 		ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n",
1513 			 i, mac->default_discard, mac->attached_filters);
1514 	}
1515 out:
1516 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1517 	kfree(buf);
1518 	return ret;
1519 }
1520 
1521 static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm,
1522 						  char *buf, size_t count,
1523 						  loff_t *ppos)
1524 {
1525 	struct iwl_bcast_filter_cmd cmd;
1526 	struct iwl_fw_bcast_mac mac = {};
1527 	u32 mac_id, attached_filters;
1528 	int err = 0;
1529 
1530 	if (!mvm->bcast_filters)
1531 		return -ENOENT;
1532 
1533 	if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard,
1534 		   &attached_filters) != 3)
1535 		return -EINVAL;
1536 
1537 	if (mac_id >= ARRAY_SIZE(cmd.macs) ||
1538 	    mac.default_discard > 1 ||
1539 	    attached_filters >= BIT(ARRAY_SIZE(cmd.filters)))
1540 		return -EINVAL;
1541 
1542 	mac.attached_filters = cpu_to_le16(attached_filters);
1543 
1544 	mutex_lock(&mvm->mutex);
1545 	memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id],
1546 	       &mac, sizeof(mac));
1547 
1548 	/* send updated bcast filtering configuration */
1549 	if (iwl_mvm_firmware_running(mvm) &&
1550 	    mvm->dbgfs_bcast_filtering.override &&
1551 	    iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1552 		err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1553 					   sizeof(cmd), &cmd);
1554 	mutex_unlock(&mvm->mutex);
1555 
1556 	return err ?: count;
1557 }
1558 #endif
1559 
1560 #ifdef CONFIG_PM_SLEEP
1561 static ssize_t iwl_dbgfs_d3_sram_write(struct iwl_mvm *mvm, char *buf,
1562 				       size_t count, loff_t *ppos)
1563 {
1564 	int store;
1565 
1566 	if (sscanf(buf, "%d", &store) != 1)
1567 		return -EINVAL;
1568 
1569 	mvm->store_d3_resume_sram = store;
1570 
1571 	return count;
1572 }
1573 
1574 static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf,
1575 				      size_t count, loff_t *ppos)
1576 {
1577 	struct iwl_mvm *mvm = file->private_data;
1578 	const struct fw_img *img;
1579 	int ofs, len, pos = 0;
1580 	size_t bufsz, ret;
1581 	char *buf;
1582 	u8 *ptr = mvm->d3_resume_sram;
1583 
1584 	img = &mvm->fw->img[IWL_UCODE_WOWLAN];
1585 	len = img->sec[IWL_UCODE_SECTION_DATA].len;
1586 
1587 	bufsz = len * 4 + 256;
1588 	buf = kzalloc(bufsz, GFP_KERNEL);
1589 	if (!buf)
1590 		return -ENOMEM;
1591 
1592 	pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n",
1593 			 mvm->store_d3_resume_sram ? "en" : "dis");
1594 
1595 	if (ptr) {
1596 		for (ofs = 0; ofs < len; ofs += 16) {
1597 			pos += scnprintf(buf + pos, bufsz - pos,
1598 					 "0x%.4x %16ph\n", ofs, ptr + ofs);
1599 		}
1600 	} else {
1601 		pos += scnprintf(buf + pos, bufsz - pos,
1602 				 "(no data captured)\n");
1603 	}
1604 
1605 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1606 
1607 	kfree(buf);
1608 
1609 	return ret;
1610 }
1611 #endif
1612 
1613 #define PRINT_MVM_REF(ref) do {						\
1614 	if (mvm->refs[ref])						\
1615 		pos += scnprintf(buf + pos, bufsz - pos,		\
1616 				 "\t(0x%lx): %d %s\n",			\
1617 				 BIT(ref), mvm->refs[ref], #ref);	\
1618 } while (0)
1619 
1620 static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file,
1621 					char __user *user_buf,
1622 					size_t count, loff_t *ppos)
1623 {
1624 	struct iwl_mvm *mvm = file->private_data;
1625 	int i, pos = 0;
1626 	char buf[256];
1627 	const size_t bufsz = sizeof(buf);
1628 	u32 refs = 0;
1629 
1630 	for (i = 0; i < IWL_MVM_REF_COUNT; i++)
1631 		if (mvm->refs[i])
1632 			refs |= BIT(i);
1633 
1634 	pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n",
1635 			 refs);
1636 
1637 	PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN);
1638 	PRINT_MVM_REF(IWL_MVM_REF_SCAN);
1639 	PRINT_MVM_REF(IWL_MVM_REF_ROC);
1640 	PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX);
1641 	PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT);
1642 	PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS);
1643 	PRINT_MVM_REF(IWL_MVM_REF_USER);
1644 	PRINT_MVM_REF(IWL_MVM_REF_TX);
1645 	PRINT_MVM_REF(IWL_MVM_REF_TX_AGG);
1646 	PRINT_MVM_REF(IWL_MVM_REF_ADD_IF);
1647 	PRINT_MVM_REF(IWL_MVM_REF_START_AP);
1648 	PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED);
1649 	PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX);
1650 	PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS);
1651 	PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL);
1652 	PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ);
1653 	PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE);
1654 	PRINT_MVM_REF(IWL_MVM_REF_NMI);
1655 	PRINT_MVM_REF(IWL_MVM_REF_TM_CMD);
1656 	PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK);
1657 	PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA);
1658 	PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT);
1659 	PRINT_MVM_REF(IWL_MVM_REF_INIT_UCODE);
1660 	PRINT_MVM_REF(IWL_MVM_REF_SENDING_CMD);
1661 	PRINT_MVM_REF(IWL_MVM_REF_RX);
1662 
1663 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1664 }
1665 
1666 static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf,
1667 					 size_t count, loff_t *ppos)
1668 {
1669 	unsigned long value;
1670 	int ret;
1671 	bool taken;
1672 
1673 	ret = kstrtoul(buf, 10, &value);
1674 	if (ret < 0)
1675 		return ret;
1676 
1677 	mutex_lock(&mvm->mutex);
1678 
1679 	taken = mvm->refs[IWL_MVM_REF_USER];
1680 	if (value == 1 && !taken)
1681 		iwl_mvm_ref(mvm, IWL_MVM_REF_USER);
1682 	else if (value == 0 && taken)
1683 		iwl_mvm_unref(mvm, IWL_MVM_REF_USER);
1684 	else
1685 		ret = -EINVAL;
1686 
1687 	mutex_unlock(&mvm->mutex);
1688 
1689 	if (ret < 0)
1690 		return ret;
1691 	return count;
1692 }
1693 
1694 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1695 	_MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1696 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1697 	_MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1698 #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do {	\
1699 		if (!debugfs_create_file(alias, mode, parent, mvm,	\
1700 					 &iwl_dbgfs_##name##_ops))	\
1701 			goto err;					\
1702 	} while (0)
1703 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1704 	MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1705 
1706 #define MVM_DEBUGFS_WRITE_STA_FILE_OPS(name, bufsz) \
1707 	_MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
1708 #define MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(name, bufsz) \
1709 	_MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
1710 
1711 #define MVM_DEBUGFS_ADD_STA_FILE_ALIAS(alias, name, parent, mode) do {	\
1712 		if (!debugfs_create_file(alias, mode, parent, sta,	\
1713 					 &iwl_dbgfs_##name##_ops))	\
1714 			goto err;					\
1715 	} while (0)
1716 #define MVM_DEBUGFS_ADD_STA_FILE(name, parent, mode) \
1717 	MVM_DEBUGFS_ADD_STA_FILE_ALIAS(#name, name, parent, mode)
1718 
1719 static ssize_t
1720 iwl_dbgfs_prph_reg_read(struct file *file,
1721 			char __user *user_buf,
1722 			size_t count, loff_t *ppos)
1723 {
1724 	struct iwl_mvm *mvm = file->private_data;
1725 	int pos = 0;
1726 	char buf[32];
1727 	const size_t bufsz = sizeof(buf);
1728 	int ret;
1729 
1730 	if (!mvm->dbgfs_prph_reg_addr)
1731 		return -EINVAL;
1732 
1733 	ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ);
1734 	if (ret)
1735 		return ret;
1736 
1737 	pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
1738 		mvm->dbgfs_prph_reg_addr,
1739 		iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
1740 
1741 	iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ);
1742 
1743 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1744 }
1745 
1746 static ssize_t
1747 iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
1748 			 size_t count, loff_t *ppos)
1749 {
1750 	u8 args;
1751 	u32 value;
1752 	int ret;
1753 
1754 	args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
1755 	/* if we only want to set the reg address - nothing more to do */
1756 	if (args == 1)
1757 		goto out;
1758 
1759 	/* otherwise, make sure we have both address and value */
1760 	if (args != 2)
1761 		return -EINVAL;
1762 
1763 	ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
1764 	if (ret)
1765 		return ret;
1766 
1767 	iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
1768 
1769 	iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
1770 out:
1771 	return count;
1772 }
1773 
1774 static ssize_t
1775 iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
1776 			      size_t count, loff_t *ppos)
1777 {
1778 	int ret;
1779 
1780 	if (!iwl_mvm_firmware_running(mvm))
1781 		return -EIO;
1782 
1783 	mutex_lock(&mvm->mutex);
1784 	ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
1785 	mutex_unlock(&mvm->mutex);
1786 
1787 	return ret ?: count;
1788 }
1789 
1790 struct iwl_mvm_sniffer_apply {
1791 	struct iwl_mvm *mvm;
1792 	u8 *bssid;
1793 	u16 aid;
1794 };
1795 
1796 static bool iwl_mvm_sniffer_apply(struct iwl_notif_wait_data *notif_data,
1797 				  struct iwl_rx_packet *pkt, void *data)
1798 {
1799 	struct iwl_mvm_sniffer_apply *apply = data;
1800 
1801 	apply->mvm->cur_aid = cpu_to_le16(apply->aid);
1802 	memcpy(apply->mvm->cur_bssid, apply->bssid,
1803 	       sizeof(apply->mvm->cur_bssid));
1804 
1805 	return true;
1806 }
1807 
1808 static ssize_t
1809 iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf,
1810 				  size_t count, loff_t *ppos)
1811 {
1812 	struct iwl_notification_wait wait;
1813 	struct iwl_he_monitor_cmd he_mon_cmd = {};
1814 	struct iwl_mvm_sniffer_apply apply = {
1815 		.mvm = mvm,
1816 	};
1817 	u16 wait_cmds[] = {
1818 		iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD, DATA_PATH_GROUP, 0),
1819 	};
1820 	u32 aid;
1821 	int ret;
1822 
1823 	if (!iwl_mvm_firmware_running(mvm))
1824 		return -EIO;
1825 
1826 	ret = sscanf(buf, "%x %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx", &aid,
1827 		     &he_mon_cmd.bssid[0], &he_mon_cmd.bssid[1],
1828 		     &he_mon_cmd.bssid[2], &he_mon_cmd.bssid[3],
1829 		     &he_mon_cmd.bssid[4], &he_mon_cmd.bssid[5]);
1830 	if (ret != 7)
1831 		return -EINVAL;
1832 
1833 	he_mon_cmd.aid = cpu_to_le16(aid);
1834 
1835 	apply.aid = aid;
1836 	apply.bssid = (void *)he_mon_cmd.bssid;
1837 
1838 	mutex_lock(&mvm->mutex);
1839 
1840 	/*
1841 	 * Use the notification waiter to get our function triggered
1842 	 * in sequence with other RX. This ensures that frames we get
1843 	 * on the RX queue _before_ the new configuration is applied
1844 	 * still have mvm->cur_aid pointing to the old AID, and that
1845 	 * frames on the RX queue _after_ the firmware processed the
1846 	 * new configuration (and sent the response, synchronously)
1847 	 * get mvm->cur_aid correctly set to the new AID.
1848 	 */
1849 	iwl_init_notification_wait(&mvm->notif_wait, &wait,
1850 				   wait_cmds, ARRAY_SIZE(wait_cmds),
1851 				   iwl_mvm_sniffer_apply, &apply);
1852 
1853 	ret = iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD,
1854 						   DATA_PATH_GROUP, 0), 0,
1855 				   sizeof(he_mon_cmd), &he_mon_cmd);
1856 
1857 	/* no need to really wait, we already did anyway */
1858 	iwl_remove_notification(&mvm->notif_wait, &wait);
1859 
1860 	mutex_unlock(&mvm->mutex);
1861 
1862 	return ret ?: count;
1863 }
1864 
1865 static ssize_t
1866 iwl_dbgfs_he_sniffer_params_read(struct file *file, char __user *user_buf,
1867 				 size_t count, loff_t *ppos)
1868 {
1869 	struct iwl_mvm *mvm = file->private_data;
1870 	u8 buf[32];
1871 	int len;
1872 
1873 	len = scnprintf(buf, sizeof(buf),
1874 			"%d %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
1875 			le16_to_cpu(mvm->cur_aid), mvm->cur_bssid[0],
1876 			mvm->cur_bssid[1], mvm->cur_bssid[2], mvm->cur_bssid[3],
1877 			mvm->cur_bssid[4], mvm->cur_bssid[5]);
1878 
1879 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1880 }
1881 
1882 static ssize_t
1883 iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf,
1884 				  size_t count, loff_t *ppos)
1885 {
1886 	struct iwl_mvm *mvm = file->private_data;
1887 	u8 buf[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM * ETH_ALEN * 3 + 1];
1888 	unsigned int pos = 0;
1889 	size_t bufsz = sizeof(buf);
1890 	int i;
1891 
1892 	mutex_lock(&mvm->mutex);
1893 
1894 	for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++)
1895 		pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
1896 				 mvm->uapsd_noagg_bssids[i].addr);
1897 
1898 	mutex_unlock(&mvm->mutex);
1899 
1900 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1901 }
1902 
1903 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
1904 
1905 /* Device wide debugfs entries */
1906 MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget);
1907 MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8);
1908 MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8);
1909 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
1910 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
1911 MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
1912 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
1913 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
1914 MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
1915 MVM_DEBUGFS_READ_FILE_OPS(stations);
1916 MVM_DEBUGFS_READ_FILE_OPS(rs_data);
1917 MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
1918 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
1919 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
1920 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
1921 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
1922 MVM_DEBUGFS_READ_FILE_OPS(fw_ver);
1923 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
1924 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
1925 MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
1926 MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
1927 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
1928 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8);
1929 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
1930 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64);
1931 MVM_DEBUGFS_WRITE_FILE_OPS(max_amsdu_len, 8);
1932 MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
1933 			   (IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
1934 MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512);
1935 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512);
1936 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512);
1937 
1938 MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids);
1939 
1940 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1941 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256);
1942 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256);
1943 #endif
1944 
1945 #ifdef CONFIG_PM_SLEEP
1946 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8);
1947 #endif
1948 #ifdef CONFIG_ACPI
1949 MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile);
1950 #endif
1951 
1952 MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32);
1953 
1954 static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf,
1955 				  size_t count, loff_t *ppos)
1956 {
1957 	struct iwl_mvm *mvm = file->private_data;
1958 	struct iwl_dbg_mem_access_cmd cmd = {};
1959 	struct iwl_dbg_mem_access_rsp *rsp;
1960 	struct iwl_host_cmd hcmd = {
1961 		.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
1962 		.data = { &cmd, },
1963 		.len = { sizeof(cmd) },
1964 	};
1965 	size_t delta;
1966 	ssize_t ret, len;
1967 
1968 	if (!iwl_mvm_firmware_running(mvm))
1969 		return -EIO;
1970 
1971 	hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR,
1972 			     DEBUG_GROUP, 0);
1973 	cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ);
1974 
1975 	/* Take care of alignment of both the position and the length */
1976 	delta = *ppos & 0x3;
1977 	cmd.addr = cpu_to_le32(*ppos - delta);
1978 	cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4,
1979 				  (size_t)DEBUG_MEM_MAX_SIZE_DWORDS));
1980 
1981 	mutex_lock(&mvm->mutex);
1982 	ret = iwl_mvm_send_cmd(mvm, &hcmd);
1983 	mutex_unlock(&mvm->mutex);
1984 
1985 	if (ret < 0)
1986 		return ret;
1987 
1988 	rsp = (void *)hcmd.resp_pkt->data;
1989 	if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) {
1990 		ret = -ENXIO;
1991 		goto out;
1992 	}
1993 
1994 	len = min((size_t)le32_to_cpu(rsp->len) << 2,
1995 		  iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp));
1996 	len = min(len - delta, count);
1997 	if (len < 0) {
1998 		ret = -EFAULT;
1999 		goto out;
2000 	}
2001 
2002 	ret = len - copy_to_user(user_buf, (void *)rsp->data + delta, len);
2003 	*ppos += ret;
2004 
2005 out:
2006 	iwl_free_resp(&hcmd);
2007 	return ret;
2008 }
2009 
2010 static ssize_t iwl_dbgfs_mem_write(struct file *file,
2011 				   const char __user *user_buf, size_t count,
2012 				   loff_t *ppos)
2013 {
2014 	struct iwl_mvm *mvm = file->private_data;
2015 	struct iwl_dbg_mem_access_cmd *cmd;
2016 	struct iwl_dbg_mem_access_rsp *rsp;
2017 	struct iwl_host_cmd hcmd = {};
2018 	size_t cmd_size;
2019 	size_t data_size;
2020 	u32 op, len;
2021 	ssize_t ret;
2022 
2023 	if (!iwl_mvm_firmware_running(mvm))
2024 		return -EIO;
2025 
2026 	hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR,
2027 			     DEBUG_GROUP, 0);
2028 
2029 	if (*ppos & 0x3 || count < 4) {
2030 		op = DEBUG_MEM_OP_WRITE_BYTES;
2031 		len = min(count, (size_t)(4 - (*ppos & 0x3)));
2032 		data_size = len;
2033 	} else {
2034 		op = DEBUG_MEM_OP_WRITE;
2035 		len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS);
2036 		data_size = len << 2;
2037 	}
2038 
2039 	cmd_size = sizeof(*cmd) + ALIGN(data_size, 4);
2040 	cmd = kzalloc(cmd_size, GFP_KERNEL);
2041 	if (!cmd)
2042 		return -ENOMEM;
2043 
2044 	cmd->op = cpu_to_le32(op);
2045 	cmd->len = cpu_to_le32(len);
2046 	cmd->addr = cpu_to_le32(*ppos);
2047 	if (copy_from_user((void *)cmd->data, user_buf, data_size)) {
2048 		kfree(cmd);
2049 		return -EFAULT;
2050 	}
2051 
2052 	hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
2053 	hcmd.data[0] = (void *)cmd;
2054 	hcmd.len[0] = cmd_size;
2055 
2056 	mutex_lock(&mvm->mutex);
2057 	ret = iwl_mvm_send_cmd(mvm, &hcmd);
2058 	mutex_unlock(&mvm->mutex);
2059 
2060 	kfree(cmd);
2061 
2062 	if (ret < 0)
2063 		return ret;
2064 
2065 	rsp = (void *)hcmd.resp_pkt->data;
2066 	if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) {
2067 		ret = -ENXIO;
2068 		goto out;
2069 	}
2070 
2071 	ret = data_size;
2072 	*ppos += ret;
2073 
2074 out:
2075 	iwl_free_resp(&hcmd);
2076 	return ret;
2077 }
2078 
2079 static const struct file_operations iwl_dbgfs_mem_ops = {
2080 	.read = iwl_dbgfs_mem_read,
2081 	.write = iwl_dbgfs_mem_write,
2082 	.open = simple_open,
2083 	.llseek = default_llseek,
2084 };
2085 
2086 void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw,
2087 			     struct ieee80211_vif *vif,
2088 			     struct ieee80211_sta *sta,
2089 			     struct dentry *dir)
2090 {
2091 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2092 
2093 	if (iwl_mvm_has_tlc_offload(mvm))
2094 		MVM_DEBUGFS_ADD_STA_FILE(rs_data, dir, 0400);
2095 
2096 	return;
2097 err:
2098 	IWL_ERR(mvm, "Can't create the mvm station debugfs entry\n");
2099 }
2100 
2101 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
2102 {
2103 	struct dentry *bcast_dir __maybe_unused;
2104 	char buf[100];
2105 
2106 	spin_lock_init(&mvm->drv_stats_lock);
2107 
2108 	mvm->debugfs_dir = dbgfs_dir;
2109 
2110 	MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, 0200);
2111 	MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, 0200);
2112 	MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, 0600);
2113 	MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 0600);
2114 	MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, 0400);
2115 	MVM_DEBUGFS_ADD_FILE(ctdp_budget, dbgfs_dir, 0400);
2116 	MVM_DEBUGFS_ADD_FILE(stop_ctdp, dbgfs_dir, 0200);
2117 	MVM_DEBUGFS_ADD_FILE(force_ctkill, dbgfs_dir, 0200);
2118 	MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, 0400);
2119 	MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, 0400);
2120 	MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, 0400);
2121 	MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 0600);
2122 	MVM_DEBUGFS_ADD_FILE(fw_ver, mvm->debugfs_dir, 0400);
2123 	MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, 0400);
2124 	MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, 0400);
2125 	MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, 0200);
2126 	MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, 0200);
2127 	MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, 0200);
2128 	MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, 0200);
2129 	MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600);
2130 	MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600);
2131 	MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, 0600);
2132 	MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600);
2133 	MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200);
2134 	MVM_DEBUGFS_ADD_FILE(max_amsdu_len, mvm->debugfs_dir, 0200);
2135 	MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200);
2136 	MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200);
2137 	MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200);
2138 	MVM_DEBUGFS_ADD_FILE(inject_beacon_ie, mvm->debugfs_dir, 0200);
2139 	MVM_DEBUGFS_ADD_FILE(inject_beacon_ie_restore, mvm->debugfs_dir, 0200);
2140 #ifdef CONFIG_ACPI
2141 	MVM_DEBUGFS_ADD_FILE(sar_geo_profile, dbgfs_dir, 0400);
2142 #endif
2143 	MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600);
2144 
2145 	if (!debugfs_create_bool("enable_scan_iteration_notif",
2146 				 0600,
2147 				 mvm->debugfs_dir,
2148 				 &mvm->scan_iter_notif_enabled))
2149 		goto err;
2150 	if (!debugfs_create_bool("drop_bcn_ap_mode", 0600,
2151 				 mvm->debugfs_dir, &mvm->drop_bcn_ap_mode))
2152 		goto err;
2153 
2154 	MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR);
2155 
2156 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
2157 	if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) {
2158 		bcast_dir = debugfs_create_dir("bcast_filtering",
2159 					       mvm->debugfs_dir);
2160 		if (!bcast_dir)
2161 			goto err;
2162 
2163 		if (!debugfs_create_bool("override", 0600,
2164 					 bcast_dir,
2165 					 &mvm->dbgfs_bcast_filtering.override))
2166 			goto err;
2167 
2168 		MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters,
2169 					   bcast_dir, 0600);
2170 		MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs,
2171 					   bcast_dir, 0600);
2172 	}
2173 #endif
2174 
2175 #ifdef CONFIG_PM_SLEEP
2176 	MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, 0600);
2177 	MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400);
2178 	if (!debugfs_create_bool("d3_wake_sysassert", 0600,
2179 				 mvm->debugfs_dir, &mvm->d3_wake_sysassert))
2180 		goto err;
2181 	if (!debugfs_create_u32("last_netdetect_scans", 0400,
2182 				mvm->debugfs_dir, &mvm->last_netdetect_scans))
2183 		goto err;
2184 #endif
2185 
2186 	if (!debugfs_create_u8("ps_disabled", 0400,
2187 			       mvm->debugfs_dir, &mvm->ps_disabled))
2188 		goto err;
2189 	if (!debugfs_create_blob("nvm_hw", 0400,
2190 				 mvm->debugfs_dir, &mvm->nvm_hw_blob))
2191 		goto err;
2192 	if (!debugfs_create_blob("nvm_sw", 0400,
2193 				 mvm->debugfs_dir, &mvm->nvm_sw_blob))
2194 		goto err;
2195 	if (!debugfs_create_blob("nvm_calib", 0400,
2196 				 mvm->debugfs_dir, &mvm->nvm_calib_blob))
2197 		goto err;
2198 	if (!debugfs_create_blob("nvm_prod", 0400,
2199 				 mvm->debugfs_dir, &mvm->nvm_prod_blob))
2200 		goto err;
2201 	if (!debugfs_create_blob("nvm_phy_sku", 0400,
2202 				 mvm->debugfs_dir, &mvm->nvm_phy_sku_blob))
2203 		goto err;
2204 	if (!debugfs_create_blob("nvm_reg", S_IRUSR,
2205 				 mvm->debugfs_dir, &mvm->nvm_reg_blob))
2206 		goto err;
2207 
2208 	debugfs_create_file("mem", 0600, dbgfs_dir, mvm, &iwl_dbgfs_mem_ops);
2209 
2210 	/*
2211 	 * Create a symlink with mac80211. It will be removed when mac80211
2212 	 * exists (before the opmode exists which removes the target.)
2213 	 */
2214 	snprintf(buf, 100, "../../%pd2", dbgfs_dir->d_parent);
2215 	if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf))
2216 		goto err;
2217 
2218 	return 0;
2219 err:
2220 	IWL_ERR(mvm, "Can't create the mvm debugfs directory\n");
2221 	return -ENOMEM;
2222 }
2223