1 /******************************************************************************
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.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
36 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 *****************************************************************************/
65 #include <linux/vmalloc.h>
71 #include "iwl-fw-error-dump.h"
73 static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
74 size_t count, loff_t *ppos)
79 if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
82 if (sscanf(buf, "%x", &scd_q_msk) != 1)
85 IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk);
87 mutex_lock(&mvm->mutex);
88 ret = iwl_mvm_flush_tx_path(mvm, scd_q_msk, 0) ? : count;
89 mutex_unlock(&mvm->mutex);
94 static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf,
95 size_t count, loff_t *ppos)
97 struct iwl_mvm_sta *mvmsta;
98 int sta_id, drain, ret;
100 if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
103 if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
105 if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT)
107 if (drain < 0 || drain > 1)
110 mutex_lock(&mvm->mutex);
112 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
117 ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count;
119 mutex_unlock(&mvm->mutex);
124 static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
125 size_t count, loff_t *ppos)
127 struct iwl_mvm *mvm = file->private_data;
128 const struct fw_img *img;
129 unsigned int ofs, len;
133 if (!mvm->ucode_loaded)
136 /* default is to dump the entire data segment */
137 img = &mvm->fw->img[mvm->cur_ucode];
138 ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
139 len = img->sec[IWL_UCODE_SECTION_DATA].len;
141 if (mvm->dbgfs_sram_len) {
142 ofs = mvm->dbgfs_sram_offset;
143 len = mvm->dbgfs_sram_len;
146 ptr = kzalloc(len, GFP_KERNEL);
150 iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
152 ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
159 static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
160 size_t count, loff_t *ppos)
162 const struct fw_img *img;
164 u32 img_offset, img_len;
166 if (!mvm->ucode_loaded)
169 img = &mvm->fw->img[mvm->cur_ucode];
170 img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
171 img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
173 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
174 if ((offset & 0x3) || (len & 0x3))
177 if (offset + len > img_offset + img_len)
180 mvm->dbgfs_sram_offset = offset;
181 mvm->dbgfs_sram_len = len;
183 mvm->dbgfs_sram_offset = 0;
184 mvm->dbgfs_sram_len = 0;
190 static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
191 char __user *user_buf,
192 size_t count, loff_t *ppos)
194 struct iwl_mvm *mvm = file->private_data;
198 if (!mvm->temperature_test)
199 pos = scnprintf(buf , sizeof(buf), "disabled\n");
201 pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature);
203 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
207 * Set NIC Temperature
208 * Cause the driver to ignore the actual NIC temperature reported by the FW
209 * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -
210 * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
211 * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
213 static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
214 char *buf, size_t count,
219 if (!mvm->ucode_loaded && !mvm->temperature_test)
222 if (kstrtoint(buf, 10, &temperature))
224 /* not a legal temperature */
225 if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
226 temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
227 temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
230 mutex_lock(&mvm->mutex);
231 if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
232 if (!mvm->temperature_test)
235 mvm->temperature_test = false;
236 /* Since we can't read the temp while awake, just set
237 * it to zero until we get the next RX stats from the
240 mvm->temperature = 0;
242 mvm->temperature_test = true;
243 mvm->temperature = temperature;
245 IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
246 mvm->temperature_test ? "En" : "Dis" ,
248 /* handle the temperature change */
249 iwl_mvm_tt_handler(mvm);
252 mutex_unlock(&mvm->mutex);
257 static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
258 char __user *user_buf,
259 size_t count, loff_t *ppos)
261 struct iwl_mvm *mvm = file->private_data;
265 if (!mvm->ucode_loaded)
268 mutex_lock(&mvm->mutex);
269 temp = iwl_mvm_get_temp(mvm);
270 mutex_unlock(&mvm->mutex);
275 pos = scnprintf(buf , sizeof(buf), "%d\n", temp);
277 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
280 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
281 size_t count, loff_t *ppos)
283 struct iwl_mvm *mvm = file->private_data;
284 struct ieee80211_sta *sta;
286 int i, pos = 0, bufsz = sizeof(buf);
288 mutex_lock(&mvm->mutex);
290 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
291 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
292 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
293 lockdep_is_held(&mvm->mutex));
295 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
296 else if (IS_ERR(sta))
297 pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
300 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
304 mutex_unlock(&mvm->mutex);
306 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
309 static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
310 char __user *user_buf,
311 size_t count, loff_t *ppos)
313 struct iwl_mvm *mvm = file->private_data;
315 int bufsz = sizeof(buf);
318 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
319 mvm->disable_power_off);
320 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
321 mvm->disable_power_off_d3);
323 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
326 static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
327 size_t count, loff_t *ppos)
331 if (!mvm->ucode_loaded)
334 if (!strncmp("disable_power_off_d0=", buf, 21)) {
335 if (sscanf(buf + 21, "%d", &val) != 1)
337 mvm->disable_power_off = val;
338 } else if (!strncmp("disable_power_off_d3=", buf, 21)) {
339 if (sscanf(buf + 21, "%d", &val) != 1)
341 mvm->disable_power_off_d3 = val;
346 mutex_lock(&mvm->mutex);
347 ret = iwl_mvm_power_update_device(mvm);
348 mutex_unlock(&mvm->mutex);
353 #define BT_MBOX_MSG(_notif, _num, _field) \
354 ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\
355 >> BT_MBOX##_num##_##_field##_POS)
358 #define BT_MBOX_PRINT(_num, _field, _end) \
359 pos += scnprintf(buf + pos, bufsz - pos, \
362 BT_MBOX_MSG(notif, _num, _field), \
366 int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf,
369 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
371 BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
372 BT_MBOX_PRINT(0, LE_PROF1, false);
373 BT_MBOX_PRINT(0, LE_PROF2, false);
374 BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
375 BT_MBOX_PRINT(0, CHL_SEQ_N, false);
376 BT_MBOX_PRINT(0, INBAND_S, false);
377 BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
378 BT_MBOX_PRINT(0, LE_SCAN, false);
379 BT_MBOX_PRINT(0, LE_ADV, false);
380 BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
381 BT_MBOX_PRINT(0, OPEN_CON_1, true);
383 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
385 BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
386 BT_MBOX_PRINT(1, IP_SR, false);
387 BT_MBOX_PRINT(1, LE_MSTR, false);
388 BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
389 BT_MBOX_PRINT(1, MSG_TYPE, false);
390 BT_MBOX_PRINT(1, SSN, true);
392 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
394 BT_MBOX_PRINT(2, SNIFF_ACT, false);
395 BT_MBOX_PRINT(2, PAG, false);
396 BT_MBOX_PRINT(2, INQUIRY, false);
397 BT_MBOX_PRINT(2, CONN, false);
398 BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
399 BT_MBOX_PRINT(2, DISC, false);
400 BT_MBOX_PRINT(2, SCO_TX_ACT, false);
401 BT_MBOX_PRINT(2, SCO_RX_ACT, false);
402 BT_MBOX_PRINT(2, ESCO_RE_TX, false);
403 BT_MBOX_PRINT(2, SCO_DURATION, true);
405 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
407 BT_MBOX_PRINT(3, SCO_STATE, false);
408 BT_MBOX_PRINT(3, SNIFF_STATE, false);
409 BT_MBOX_PRINT(3, A2DP_STATE, false);
410 BT_MBOX_PRINT(3, ACL_STATE, false);
411 BT_MBOX_PRINT(3, MSTR_STATE, false);
412 BT_MBOX_PRINT(3, OBX_STATE, false);
413 BT_MBOX_PRINT(3, OPEN_CON_2, false);
414 BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
415 BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
416 BT_MBOX_PRINT(3, INBAND_P, false);
417 BT_MBOX_PRINT(3, MSG_TYPE_2, false);
418 BT_MBOX_PRINT(3, SSN_2, false);
419 BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
425 int iwl_mvm_coex_dump_mbox_old(struct iwl_bt_coex_profile_notif_old *notif,
426 char *buf, int pos, int bufsz)
428 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
430 BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
431 BT_MBOX_PRINT(0, LE_PROF1, false);
432 BT_MBOX_PRINT(0, LE_PROF2, false);
433 BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
434 BT_MBOX_PRINT(0, CHL_SEQ_N, false);
435 BT_MBOX_PRINT(0, INBAND_S, false);
436 BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
437 BT_MBOX_PRINT(0, LE_SCAN, false);
438 BT_MBOX_PRINT(0, LE_ADV, false);
439 BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
440 BT_MBOX_PRINT(0, OPEN_CON_1, true);
442 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
444 BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
445 BT_MBOX_PRINT(1, IP_SR, false);
446 BT_MBOX_PRINT(1, LE_MSTR, false);
447 BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
448 BT_MBOX_PRINT(1, MSG_TYPE, false);
449 BT_MBOX_PRINT(1, SSN, true);
451 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
453 BT_MBOX_PRINT(2, SNIFF_ACT, false);
454 BT_MBOX_PRINT(2, PAG, false);
455 BT_MBOX_PRINT(2, INQUIRY, false);
456 BT_MBOX_PRINT(2, CONN, false);
457 BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
458 BT_MBOX_PRINT(2, DISC, false);
459 BT_MBOX_PRINT(2, SCO_TX_ACT, false);
460 BT_MBOX_PRINT(2, SCO_RX_ACT, false);
461 BT_MBOX_PRINT(2, ESCO_RE_TX, false);
462 BT_MBOX_PRINT(2, SCO_DURATION, true);
464 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
466 BT_MBOX_PRINT(3, SCO_STATE, false);
467 BT_MBOX_PRINT(3, SNIFF_STATE, false);
468 BT_MBOX_PRINT(3, A2DP_STATE, false);
469 BT_MBOX_PRINT(3, ACL_STATE, false);
470 BT_MBOX_PRINT(3, MSTR_STATE, false);
471 BT_MBOX_PRINT(3, OBX_STATE, false);
472 BT_MBOX_PRINT(3, OPEN_CON_2, false);
473 BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
474 BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
475 BT_MBOX_PRINT(3, INBAND_P, false);
476 BT_MBOX_PRINT(3, MSG_TYPE_2, false);
477 BT_MBOX_PRINT(3, SSN_2, false);
478 BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
483 static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
484 size_t count, loff_t *ppos)
486 struct iwl_mvm *mvm = file->private_data;
488 int ret, pos = 0, bufsz = sizeof(char) * 1024;
490 buf = kmalloc(bufsz, GFP_KERNEL);
494 mutex_lock(&mvm->mutex);
496 if (!fw_has_api(&mvm->fw->ucode_capa,
497 IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
498 struct iwl_bt_coex_profile_notif_old *notif =
499 &mvm->last_bt_notif_old;
501 pos += iwl_mvm_coex_dump_mbox_old(notif, buf, pos, bufsz);
503 pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
504 notif->bt_ci_compliance);
505 pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n",
506 le32_to_cpu(notif->primary_ch_lut));
507 pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n",
508 le32_to_cpu(notif->secondary_ch_lut));
509 pos += scnprintf(buf+pos,
510 bufsz-pos, "bt_activity_grading = %d\n",
511 le32_to_cpu(notif->bt_activity_grading));
512 pos += scnprintf(buf+pos, bufsz-pos,
513 "antenna isolation = %d CORUN LUT index = %d\n",
514 mvm->last_ant_isol, mvm->last_corun_lut);
516 struct iwl_bt_coex_profile_notif *notif =
519 pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz);
521 pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
522 notif->bt_ci_compliance);
523 pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n",
524 le32_to_cpu(notif->primary_ch_lut));
525 pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n",
526 le32_to_cpu(notif->secondary_ch_lut));
527 pos += scnprintf(buf+pos,
528 bufsz-pos, "bt_activity_grading = %d\n",
529 le32_to_cpu(notif->bt_activity_grading));
530 pos += scnprintf(buf+pos, bufsz-pos,
531 "antenna isolation = %d CORUN LUT index = %d\n",
532 mvm->last_ant_isol, mvm->last_corun_lut);
535 mutex_unlock(&mvm->mutex);
537 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
544 static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
545 size_t count, loff_t *ppos)
547 struct iwl_mvm *mvm = file->private_data;
549 int bufsz = sizeof(buf);
552 mutex_lock(&mvm->mutex);
554 if (!fw_has_api(&mvm->fw->ucode_capa,
555 IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
556 struct iwl_bt_coex_ci_cmd_old *cmd = &mvm->last_bt_ci_cmd_old;
558 pos += scnprintf(buf+pos, bufsz-pos,
559 "Channel inhibition CMD\n");
560 pos += scnprintf(buf+pos, bufsz-pos,
561 "\tPrimary Channel Bitmap 0x%016llx\n",
562 le64_to_cpu(cmd->bt_primary_ci));
563 pos += scnprintf(buf+pos, bufsz-pos,
564 "\tSecondary Channel Bitmap 0x%016llx\n",
565 le64_to_cpu(cmd->bt_secondary_ci));
567 pos += scnprintf(buf+pos, bufsz-pos,
568 "BT Configuration CMD - 0=default, 1=never, 2=always\n");
569 pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill msk idx %d\n",
570 mvm->bt_ack_kill_msk[0]);
571 pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill msk idx %d\n",
572 mvm->bt_cts_kill_msk[0]);
575 struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
577 pos += scnprintf(buf+pos, bufsz-pos,
578 "Channel inhibition CMD\n");
579 pos += scnprintf(buf+pos, bufsz-pos,
580 "\tPrimary Channel Bitmap 0x%016llx\n",
581 le64_to_cpu(cmd->bt_primary_ci));
582 pos += scnprintf(buf+pos, bufsz-pos,
583 "\tSecondary Channel Bitmap 0x%016llx\n",
584 le64_to_cpu(cmd->bt_secondary_ci));
587 mutex_unlock(&mvm->mutex);
589 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
593 iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
594 size_t count, loff_t *ppos)
598 if (sscanf(buf, "%u", &bt_tx_prio) != 1)
603 mvm->bt_tx_prio = bt_tx_prio;
609 iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
610 size_t count, loff_t *ppos)
612 static const char * const modes_str[BT_FORCE_ANT_MAX] = {
613 [BT_FORCE_ANT_DIS] = "dis",
614 [BT_FORCE_ANT_AUTO] = "auto",
615 [BT_FORCE_ANT_BT] = "bt",
616 [BT_FORCE_ANT_WIFI] = "wifi",
618 int ret, bt_force_ant_mode;
620 for (bt_force_ant_mode = 0;
621 bt_force_ant_mode < ARRAY_SIZE(modes_str);
622 bt_force_ant_mode++) {
623 if (!strcmp(buf, modes_str[bt_force_ant_mode]))
627 if (bt_force_ant_mode >= ARRAY_SIZE(modes_str))
631 mutex_lock(&mvm->mutex);
632 if (mvm->bt_force_ant_mode == bt_force_ant_mode)
635 mvm->bt_force_ant_mode = bt_force_ant_mode;
636 IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
637 modes_str[mvm->bt_force_ant_mode]);
638 ret = iwl_send_bt_init_conf(mvm);
641 mutex_unlock(&mvm->mutex);
645 #define PRINT_STATS_LE32(_struct, _memb) \
646 pos += scnprintf(buf + pos, bufsz - pos, \
648 le32_to_cpu(_struct->_memb))
650 static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
651 char __user *user_buf, size_t count,
654 struct iwl_mvm *mvm = file->private_data;
655 static const char *fmt_table = "\t%-30s %10u\n";
656 static const char *fmt_header = "%-32s\n";
660 /* 43 is the size of each data line, 33 is the size of each header */
662 ((sizeof(struct mvm_statistics_rx) / sizeof(__le32)) * 43) +
665 struct mvm_statistics_rx_phy *ofdm;
666 struct mvm_statistics_rx_phy *cck;
667 struct mvm_statistics_rx_non_phy *general;
668 struct mvm_statistics_rx_ht_phy *ht;
670 buf = kzalloc(bufsz, GFP_KERNEL);
674 mutex_lock(&mvm->mutex);
676 ofdm = &mvm->rx_stats.ofdm;
677 cck = &mvm->rx_stats.cck;
678 general = &mvm->rx_stats.general;
679 ht = &mvm->rx_stats.ofdm_ht;
681 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
682 "Statistics_Rx - OFDM");
683 PRINT_STATS_LE32(ofdm, ina_cnt);
684 PRINT_STATS_LE32(ofdm, fina_cnt);
685 PRINT_STATS_LE32(ofdm, plcp_err);
686 PRINT_STATS_LE32(ofdm, crc32_err);
687 PRINT_STATS_LE32(ofdm, overrun_err);
688 PRINT_STATS_LE32(ofdm, early_overrun_err);
689 PRINT_STATS_LE32(ofdm, crc32_good);
690 PRINT_STATS_LE32(ofdm, false_alarm_cnt);
691 PRINT_STATS_LE32(ofdm, fina_sync_err_cnt);
692 PRINT_STATS_LE32(ofdm, sfd_timeout);
693 PRINT_STATS_LE32(ofdm, fina_timeout);
694 PRINT_STATS_LE32(ofdm, unresponded_rts);
695 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
696 PRINT_STATS_LE32(ofdm, sent_ack_cnt);
697 PRINT_STATS_LE32(ofdm, sent_cts_cnt);
698 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
699 PRINT_STATS_LE32(ofdm, dsp_self_kill);
700 PRINT_STATS_LE32(ofdm, mh_format_err);
701 PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum);
702 PRINT_STATS_LE32(ofdm, reserved);
704 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
705 "Statistics_Rx - CCK");
706 PRINT_STATS_LE32(cck, ina_cnt);
707 PRINT_STATS_LE32(cck, fina_cnt);
708 PRINT_STATS_LE32(cck, plcp_err);
709 PRINT_STATS_LE32(cck, crc32_err);
710 PRINT_STATS_LE32(cck, overrun_err);
711 PRINT_STATS_LE32(cck, early_overrun_err);
712 PRINT_STATS_LE32(cck, crc32_good);
713 PRINT_STATS_LE32(cck, false_alarm_cnt);
714 PRINT_STATS_LE32(cck, fina_sync_err_cnt);
715 PRINT_STATS_LE32(cck, sfd_timeout);
716 PRINT_STATS_LE32(cck, fina_timeout);
717 PRINT_STATS_LE32(cck, unresponded_rts);
718 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
719 PRINT_STATS_LE32(cck, sent_ack_cnt);
720 PRINT_STATS_LE32(cck, sent_cts_cnt);
721 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
722 PRINT_STATS_LE32(cck, dsp_self_kill);
723 PRINT_STATS_LE32(cck, mh_format_err);
724 PRINT_STATS_LE32(cck, re_acq_main_rssi_sum);
725 PRINT_STATS_LE32(cck, reserved);
727 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
728 "Statistics_Rx - GENERAL");
729 PRINT_STATS_LE32(general, bogus_cts);
730 PRINT_STATS_LE32(general, bogus_ack);
731 PRINT_STATS_LE32(general, non_bssid_frames);
732 PRINT_STATS_LE32(general, filtered_frames);
733 PRINT_STATS_LE32(general, non_channel_beacons);
734 PRINT_STATS_LE32(general, channel_beacons);
735 PRINT_STATS_LE32(general, num_missed_bcon);
736 PRINT_STATS_LE32(general, adc_rx_saturation_time);
737 PRINT_STATS_LE32(general, ina_detection_search_time);
738 PRINT_STATS_LE32(general, beacon_silence_rssi_a);
739 PRINT_STATS_LE32(general, beacon_silence_rssi_b);
740 PRINT_STATS_LE32(general, beacon_silence_rssi_c);
741 PRINT_STATS_LE32(general, interference_data_flag);
742 PRINT_STATS_LE32(general, channel_load);
743 PRINT_STATS_LE32(general, dsp_false_alarms);
744 PRINT_STATS_LE32(general, beacon_rssi_a);
745 PRINT_STATS_LE32(general, beacon_rssi_b);
746 PRINT_STATS_LE32(general, beacon_rssi_c);
747 PRINT_STATS_LE32(general, beacon_energy_a);
748 PRINT_STATS_LE32(general, beacon_energy_b);
749 PRINT_STATS_LE32(general, beacon_energy_c);
750 PRINT_STATS_LE32(general, num_bt_kills);
751 PRINT_STATS_LE32(general, mac_id);
752 PRINT_STATS_LE32(general, directed_data_mpdu);
754 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
755 "Statistics_Rx - HT");
756 PRINT_STATS_LE32(ht, plcp_err);
757 PRINT_STATS_LE32(ht, overrun_err);
758 PRINT_STATS_LE32(ht, early_overrun_err);
759 PRINT_STATS_LE32(ht, crc32_good);
760 PRINT_STATS_LE32(ht, crc32_err);
761 PRINT_STATS_LE32(ht, mh_format_err);
762 PRINT_STATS_LE32(ht, agg_crc32_good);
763 PRINT_STATS_LE32(ht, agg_mpdu_cnt);
764 PRINT_STATS_LE32(ht, agg_cnt);
765 PRINT_STATS_LE32(ht, unsupport_mcs);
767 mutex_unlock(&mvm->mutex);
769 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
774 #undef PRINT_STAT_LE32
776 static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
777 char __user *user_buf, size_t count,
779 struct iwl_mvm_frame_stats *stats)
781 char *buff, *pos, *endpos;
784 static const size_t bufsz = 1024;
786 buff = kmalloc(bufsz, GFP_KERNEL);
790 spin_lock_bh(&mvm->drv_stats_lock);
793 endpos = pos + bufsz;
795 pos += scnprintf(pos, endpos - pos,
796 "Legacy/HT/VHT\t:\t%d/%d/%d\n",
797 stats->legacy_frames,
800 pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
803 stats->bw_80_frames);
804 pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
807 pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
809 stats->mimo2_frames);
810 pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
812 stats->success_frames);
813 pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
815 pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
817 pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
818 stats->ampdu_count > 0 ?
819 (stats->agg_frames / stats->ampdu_count) : 0);
821 pos += scnprintf(pos, endpos - pos, "Last Rates\n");
823 idx = stats->last_frame_idx - 1;
824 for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
825 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
826 if (stats->last_rates[idx] == 0)
828 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
829 (int)(ARRAY_SIZE(stats->last_rates) - i));
830 pos += rs_pretty_print_rate(pos, stats->last_rates[idx]);
832 spin_unlock_bh(&mvm->drv_stats_lock);
834 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
840 static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
841 char __user *user_buf, size_t count,
844 struct iwl_mvm *mvm = file->private_data;
846 return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
850 static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
851 size_t count, loff_t *ppos)
855 mutex_lock(&mvm->mutex);
857 /* allow one more restart that we're provoking here */
858 if (mvm->restart_fw >= 0)
861 /* take the return value to make compiler happy - it will fail anyway */
862 ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, 0, 0, NULL);
864 mutex_unlock(&mvm->mutex);
869 static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
870 size_t count, loff_t *ppos)
872 int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI);
876 iwl_force_nmi(mvm->trans);
878 iwl_mvm_unref(mvm, IWL_MVM_REF_NMI);
884 iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
885 char __user *user_buf,
886 size_t count, loff_t *ppos)
888 struct iwl_mvm *mvm = file->private_data;
891 const size_t bufsz = sizeof(buf);
893 /* print which antennas were set for the scan command by the user */
894 pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
895 if (mvm->scan_rx_ant & ANT_A)
896 pos += scnprintf(buf + pos, bufsz - pos, "A");
897 if (mvm->scan_rx_ant & ANT_B)
898 pos += scnprintf(buf + pos, bufsz - pos, "B");
899 if (mvm->scan_rx_ant & ANT_C)
900 pos += scnprintf(buf + pos, bufsz - pos, "C");
901 pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant);
903 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
907 iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
908 size_t count, loff_t *ppos)
912 if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
914 if (scan_rx_ant > ANT_ABC)
916 if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
919 if (mvm->scan_rx_ant != scan_rx_ant) {
920 mvm->scan_rx_ant = scan_rx_ant;
921 if (fw_has_capa(&mvm->fw->ucode_capa,
922 IWL_UCODE_TLV_CAPA_UMAC_SCAN))
923 iwl_mvm_config_scan(mvm);
929 static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
930 char __user *user_buf,
931 size_t count, loff_t *ppos)
933 struct iwl_mvm *mvm = file->private_data;
936 const size_t bufsz = sizeof(buf);
939 mutex_lock(&mvm->mutex);
940 conf = mvm->fw_dbg_conf;
941 mutex_unlock(&mvm->mutex);
943 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
945 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
948 static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
949 char *buf, size_t count,
952 unsigned int conf_id;
955 ret = kstrtouint(buf, 0, &conf_id);
959 if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
962 mutex_lock(&mvm->mutex);
963 ret = iwl_mvm_start_fw_dbg_conf(mvm, conf_id);
964 mutex_unlock(&mvm->mutex);
969 static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
970 char *buf, size_t count,
973 int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
978 iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, NULL, 0, NULL);
980 iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
985 #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__)
986 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
987 static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file,
988 char __user *user_buf,
989 size_t count, loff_t *ppos)
991 struct iwl_mvm *mvm = file->private_data;
992 struct iwl_bcast_filter_cmd cmd;
993 const struct iwl_fw_bcast_filter *filter;
999 buf = kzalloc(bufsz, GFP_KERNEL);
1003 mutex_lock(&mvm->mutex);
1004 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1006 mutex_unlock(&mvm->mutex);
1009 mutex_unlock(&mvm->mutex);
1011 for (i = 0; cmd.filters[i].attrs[0].mask; i++) {
1012 filter = &cmd.filters[i];
1014 ADD_TEXT("Filter [%d]:\n", i);
1015 ADD_TEXT("\tDiscard=%d\n", filter->discard);
1016 ADD_TEXT("\tFrame Type: %s\n",
1017 filter->frame_type ? "IPv4" : "Generic");
1019 for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) {
1020 const struct iwl_fw_bcast_filter_attr *attr;
1022 attr = &filter->attrs[j];
1026 ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n",
1028 attr->offset_type ? "IP End" :
1030 be32_to_cpu(attr->mask),
1031 be32_to_cpu(attr->val),
1032 le16_to_cpu(attr->reserved1));
1036 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1041 static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf,
1042 size_t count, loff_t *ppos)
1045 struct iwl_fw_bcast_filter filter = {};
1046 struct iwl_bcast_filter_cmd cmd;
1047 u32 filter_id, attr_id, mask, value;
1050 if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard,
1051 &filter.frame_type, &pos) != 3)
1054 if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) ||
1055 filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4)
1058 for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs);
1060 struct iwl_fw_bcast_filter_attr *attr =
1061 &filter.attrs[attr_id];
1066 if (sscanf(&buf[pos], "%hhi %hhi %i %i %n",
1067 &attr->offset, &attr->offset_type,
1068 &mask, &value, &next_pos) != 4)
1071 attr->mask = cpu_to_be32(mask);
1072 attr->val = cpu_to_be32(value);
1079 mutex_lock(&mvm->mutex);
1080 memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id],
1081 &filter, sizeof(filter));
1083 /* send updated bcast filtering configuration */
1084 if (mvm->dbgfs_bcast_filtering.override &&
1085 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1086 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1088 mutex_unlock(&mvm->mutex);
1090 return err ?: count;
1093 static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file,
1094 char __user *user_buf,
1095 size_t count, loff_t *ppos)
1097 struct iwl_mvm *mvm = file->private_data;
1098 struct iwl_bcast_filter_cmd cmd;
1104 buf = kzalloc(bufsz, GFP_KERNEL);
1108 mutex_lock(&mvm->mutex);
1109 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1111 mutex_unlock(&mvm->mutex);
1114 mutex_unlock(&mvm->mutex);
1116 for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) {
1117 const struct iwl_fw_bcast_mac *mac = &cmd.macs[i];
1119 ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n",
1120 i, mac->default_discard, mac->attached_filters);
1123 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1128 static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm,
1129 char *buf, size_t count,
1132 struct iwl_bcast_filter_cmd cmd;
1133 struct iwl_fw_bcast_mac mac = {};
1134 u32 mac_id, attached_filters;
1137 if (!mvm->bcast_filters)
1140 if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard,
1141 &attached_filters) != 3)
1144 if (mac_id >= ARRAY_SIZE(cmd.macs) ||
1145 mac.default_discard > 1 ||
1146 attached_filters >= BIT(ARRAY_SIZE(cmd.filters)))
1149 mac.attached_filters = cpu_to_le16(attached_filters);
1151 mutex_lock(&mvm->mutex);
1152 memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id],
1155 /* send updated bcast filtering configuration */
1156 if (mvm->dbgfs_bcast_filtering.override &&
1157 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1158 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1160 mutex_unlock(&mvm->mutex);
1162 return err ?: count;
1166 #ifdef CONFIG_PM_SLEEP
1167 static ssize_t iwl_dbgfs_d3_sram_write(struct iwl_mvm *mvm, char *buf,
1168 size_t count, loff_t *ppos)
1172 if (sscanf(buf, "%d", &store) != 1)
1175 mvm->store_d3_resume_sram = store;
1180 static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf,
1181 size_t count, loff_t *ppos)
1183 struct iwl_mvm *mvm = file->private_data;
1184 const struct fw_img *img;
1185 int ofs, len, pos = 0;
1188 u8 *ptr = mvm->d3_resume_sram;
1190 img = &mvm->fw->img[IWL_UCODE_WOWLAN];
1191 len = img->sec[IWL_UCODE_SECTION_DATA].len;
1193 bufsz = len * 4 + 256;
1194 buf = kzalloc(bufsz, GFP_KERNEL);
1198 pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n",
1199 mvm->store_d3_resume_sram ? "en" : "dis");
1202 for (ofs = 0; ofs < len; ofs += 16) {
1203 pos += scnprintf(buf + pos, bufsz - pos,
1204 "0x%.4x %16ph\n", ofs, ptr + ofs);
1207 pos += scnprintf(buf + pos, bufsz - pos,
1208 "(no data captured)\n");
1211 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1219 #define PRINT_MVM_REF(ref) do { \
1220 if (mvm->refs[ref]) \
1221 pos += scnprintf(buf + pos, bufsz - pos, \
1222 "\t(0x%lx): %d %s\n", \
1223 BIT(ref), mvm->refs[ref], #ref); \
1226 static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file,
1227 char __user *user_buf,
1228 size_t count, loff_t *ppos)
1230 struct iwl_mvm *mvm = file->private_data;
1233 const size_t bufsz = sizeof(buf);
1236 for (i = 0; i < IWL_MVM_REF_COUNT; i++)
1240 pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n",
1243 PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN);
1244 PRINT_MVM_REF(IWL_MVM_REF_SCAN);
1245 PRINT_MVM_REF(IWL_MVM_REF_ROC);
1246 PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX);
1247 PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT);
1248 PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS);
1249 PRINT_MVM_REF(IWL_MVM_REF_USER);
1250 PRINT_MVM_REF(IWL_MVM_REF_TX);
1251 PRINT_MVM_REF(IWL_MVM_REF_TX_AGG);
1252 PRINT_MVM_REF(IWL_MVM_REF_ADD_IF);
1253 PRINT_MVM_REF(IWL_MVM_REF_START_AP);
1254 PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED);
1255 PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX);
1256 PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS);
1257 PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL);
1258 PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ);
1259 PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE);
1260 PRINT_MVM_REF(IWL_MVM_REF_NMI);
1261 PRINT_MVM_REF(IWL_MVM_REF_TM_CMD);
1262 PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK);
1263 PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA);
1264 PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT);
1266 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1269 static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf,
1270 size_t count, loff_t *ppos)
1272 unsigned long value;
1276 ret = kstrtoul(buf, 10, &value);
1280 mutex_lock(&mvm->mutex);
1282 taken = mvm->refs[IWL_MVM_REF_USER];
1283 if (value == 1 && !taken)
1284 iwl_mvm_ref(mvm, IWL_MVM_REF_USER);
1285 else if (value == 0 && taken)
1286 iwl_mvm_unref(mvm, IWL_MVM_REF_USER);
1290 mutex_unlock(&mvm->mutex);
1297 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1298 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1299 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1300 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1301 #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \
1302 if (!debugfs_create_file(alias, mode, parent, mvm, \
1303 &iwl_dbgfs_##name##_ops)) \
1306 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1307 MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1310 iwl_dbgfs_prph_reg_read(struct file *file,
1311 char __user *user_buf,
1312 size_t count, loff_t *ppos)
1314 struct iwl_mvm *mvm = file->private_data;
1317 const size_t bufsz = sizeof(buf);
1320 if (!mvm->dbgfs_prph_reg_addr)
1323 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ);
1327 pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
1328 mvm->dbgfs_prph_reg_addr,
1329 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
1331 iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ);
1333 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1337 iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
1338 size_t count, loff_t *ppos)
1344 args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
1345 /* if we only want to set the reg address - nothing more to do */
1349 /* otherwise, make sure we have both address and value */
1353 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
1357 iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
1359 iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
1365 iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
1366 size_t count, loff_t *ppos)
1370 mutex_lock(&mvm->mutex);
1371 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
1372 mutex_unlock(&mvm->mutex);
1374 return ret ?: count;
1377 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
1379 /* Device wide debugfs entries */
1380 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
1381 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
1382 MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
1383 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
1384 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
1385 MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
1386 MVM_DEBUGFS_READ_FILE_OPS(stations);
1387 MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
1388 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
1389 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
1390 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
1391 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
1392 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
1393 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
1394 MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
1395 MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
1396 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
1397 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8);
1398 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
1399 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 8);
1401 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1402 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256);
1403 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256);
1406 #ifdef CONFIG_PM_SLEEP
1407 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8);
1410 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
1412 struct dentry *bcast_dir __maybe_unused;
1415 spin_lock_init(&mvm->drv_stats_lock);
1417 mvm->debugfs_dir = dbgfs_dir;
1419 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR);
1420 MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR);
1421 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
1422 MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir,
1424 MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, S_IRUSR);
1425 MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR);
1426 MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR);
1427 MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, S_IRUSR);
1428 MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir,
1430 MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, S_IRUSR);
1431 MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, S_IRUSR);
1432 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR);
1433 MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR);
1434 MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, S_IWUSR);
1435 MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, S_IWUSR);
1436 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir,
1438 MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
1439 MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1440 MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1441 MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, S_IWUSR);
1442 MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, S_IWUSR);
1443 if (!debugfs_create_bool("enable_scan_iteration_notif",
1446 &mvm->scan_iter_notif_enabled))
1449 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1450 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) {
1451 bcast_dir = debugfs_create_dir("bcast_filtering",
1456 if (!debugfs_create_bool("override", S_IRUSR | S_IWUSR,
1458 &mvm->dbgfs_bcast_filtering.override))
1461 MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters,
1462 bcast_dir, S_IWUSR | S_IRUSR);
1463 MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs,
1464 bcast_dir, S_IWUSR | S_IRUSR);
1468 #ifdef CONFIG_PM_SLEEP
1469 MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1470 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR);
1471 if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR,
1472 mvm->debugfs_dir, &mvm->d3_wake_sysassert))
1474 if (!debugfs_create_u32("last_netdetect_scans", S_IRUSR,
1475 mvm->debugfs_dir, &mvm->last_netdetect_scans))
1479 if (!debugfs_create_u8("low_latency_agg_frame_limit", S_IRUSR | S_IWUSR,
1481 &mvm->low_latency_agg_frame_limit))
1483 if (!debugfs_create_u8("ps_disabled", S_IRUSR,
1484 mvm->debugfs_dir, &mvm->ps_disabled))
1486 if (!debugfs_create_blob("nvm_hw", S_IRUSR,
1487 mvm->debugfs_dir, &mvm->nvm_hw_blob))
1489 if (!debugfs_create_blob("nvm_sw", S_IRUSR,
1490 mvm->debugfs_dir, &mvm->nvm_sw_blob))
1492 if (!debugfs_create_blob("nvm_calib", S_IRUSR,
1493 mvm->debugfs_dir, &mvm->nvm_calib_blob))
1495 if (!debugfs_create_blob("nvm_prod", S_IRUSR,
1496 mvm->debugfs_dir, &mvm->nvm_prod_blob))
1498 if (!debugfs_create_blob("nvm_phy_sku", S_IRUSR,
1499 mvm->debugfs_dir, &mvm->nvm_phy_sku_blob))
1503 * Create a symlink with mac80211. It will be removed when mac80211
1504 * exists (before the opmode exists which removes the target.)
1506 snprintf(buf, 100, "../../%s/%s",
1507 dbgfs_dir->d_parent->d_parent->d_name.name,
1508 dbgfs_dir->d_parent->d_name.name);
1509 if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf))
1514 IWL_ERR(mvm, "Can't create the mvm debugfs directory\n");