drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c

   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 Intel Deutschland GmbH
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of version 2 of the GNU General Public License as
  14  * published by the Free Software Foundation.
  15  *
  16  * This program is distributed in the hope that it will be useful, but
  17  * WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  * General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  24  * USA
  25  *
  26  * The full GNU General Public License is included in this distribution
  27  * in the file called COPYING.
  28  *
  29  * Contact Information:
  30  *  Intel Linux Wireless <linuxwifi@intel.com>
  31  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  32  *
  33  * BSD LICENSE
  34  *
  35  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  36  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  37  * All rights reserved.
  38  *
  39  * Redistribution and use in source and binary forms, with or without
  40  * modification, are permitted provided that the following conditions
  41  * are met:
  42  *
  43  *  * Redistributions of source code must retain the above copyright
  44  *    notice, this list of conditions and the following disclaimer.
  45  *  * Redistributions in binary form must reproduce the above copyright
  46  *    notice, this list of conditions and the following disclaimer in
  47  *    the documentation and/or other materials provided with the
  48  *    distribution.
  49  *  * Neither the name Intel Corporation nor the names of its
  50  *    contributors may be used to endorse or promote products derived
  51  *    from this software without specific prior written permission.
  52  *
  53  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  54  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  55  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  56  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  57  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  58  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  59  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  60  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  61  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  62  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  63  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  64  *
  65  *****************************************************************************/
  66 #include <linux/vmalloc.h>
  67 #include <linux/ieee80211.h>
  68
  69 #include "mvm.h"
  70 #include "fw-dbg.h"
  71 #include "sta.h"
  72 #include "iwl-io.h"
  73 #include "debugfs.h"
  74 #include "iwl-fw-error-dump.h"
  75
  76 static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
  77                                         size_t count, loff_t *ppos)
  78 {
  79         int ret;
  80         u32 scd_q_msk;
  81
  82         if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
  83                 return -EIO;
  84
  85         if (sscanf(buf, "%x", &scd_q_msk) != 1)
  86                 return -EINVAL;
  87
  88         IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk);
  89
  90         mutex_lock(&mvm->mutex);
  91         ret =  iwl_mvm_flush_tx_path(mvm, scd_q_msk, 0) ? : count;
  92         mutex_unlock(&mvm->mutex);
  93
  94         return ret;
  95 }
  96
  97 static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf,
  98                                          size_t count, loff_t *ppos)
  99 {
 100         struct iwl_mvm_sta *mvmsta;
 101         int sta_id, drain, ret;
 102
 103         if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
 104                 return -EIO;
 105
 106         if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
 107                 return -EINVAL;
 108         if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT)
 109                 return -EINVAL;
 110         if (drain < 0 || drain > 1)
 111                 return -EINVAL;
 112
 113         mutex_lock(&mvm->mutex);
 114
 115         mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
 116
 117         if (!mvmsta)
 118                 ret = -ENOENT;
 119         else
 120                 ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count;
 121
 122         mutex_unlock(&mvm->mutex);
 123
 124         return ret;
 125 }
 126
 127 static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
 128                                    size_t count, loff_t *ppos)
 129 {
 130         struct iwl_mvm *mvm = file->private_data;
 131         const struct fw_img *img;
 132         unsigned int ofs, len;
 133         size_t ret;
 134         u8 *ptr;
 135
 136         if (!mvm->ucode_loaded)
 137                 return -EINVAL;
 138
 139         /* default is to dump the entire data segment */
 140         img = &mvm->fw->img[mvm->cur_ucode];
 141         ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
 142         len = img->sec[IWL_UCODE_SECTION_DATA].len;
 143
 144         if (mvm->dbgfs_sram_len) {
 145                 ofs = mvm->dbgfs_sram_offset;
 146                 len = mvm->dbgfs_sram_len;
 147         }
 148
 149         ptr = kzalloc(len, GFP_KERNEL);
 150         if (!ptr)
 151                 return -ENOMEM;
 152
 153         iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
 154
 155         ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
 156
 157         kfree(ptr);
 158
 159         return ret;
 160 }
 161
 162 static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
 163                                     size_t count, loff_t *ppos)
 164 {
 165         const struct fw_img *img;
 166         u32 offset, len;
 167         u32 img_offset, img_len;
 168
 169         if (!mvm->ucode_loaded)
 170                 return -EINVAL;
 171
 172         img = &mvm->fw->img[mvm->cur_ucode];
 173         img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
 174         img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
 175
 176         if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
 177                 if ((offset & 0x3) || (len & 0x3))
 178                         return -EINVAL;
 179
 180                 if (offset + len > img_offset + img_len)
 181                         return -EINVAL;
 182
 183                 mvm->dbgfs_sram_offset = offset;
 184                 mvm->dbgfs_sram_len = len;
 185         } else {
 186                 mvm->dbgfs_sram_offset = 0;
 187                 mvm->dbgfs_sram_len = 0;
 188         }
 189
 190         return count;
 191 }
 192
 193 static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
 194                                                   char __user *user_buf,
 195                                                   size_t count, loff_t *ppos)
 196 {
 197         struct iwl_mvm *mvm = file->private_data;
 198         char buf[16];
 199         int pos;
 200
 201         if (!mvm->temperature_test)
 202                 pos = scnprintf(buf , sizeof(buf), "disabled\n");
 203         else
 204                 pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature);
 205
 206         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 207 }
 208
 209 /*
 210  * Set NIC Temperature
 211  * Cause the driver to ignore the actual NIC temperature reported by the FW
 212  * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -
 213  * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
 214  * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
 215  */
 216 static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
 217                                                    char *buf, size_t count,
 218                                                    loff_t *ppos)
 219 {
 220         int temperature;
 221
 222         if (!mvm->ucode_loaded && !mvm->temperature_test)
 223                 return -EIO;
 224
 225         if (kstrtoint(buf, 10, &temperature))
 226                 return -EINVAL;
 227         /* not a legal temperature */
 228         if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
 229              temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
 230             temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
 231                 return -EINVAL;
 232
 233         mutex_lock(&mvm->mutex);
 234         if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
 235                 if (!mvm->temperature_test)
 236                         goto out;
 237
 238                 mvm->temperature_test = false;
 239                 /* Since we can't read the temp while awake, just set
 240                  * it to zero until we get the next RX stats from the
 241                  * firmware.
 242                  */
 243                 mvm->temperature = 0;
 244         } else {
 245                 mvm->temperature_test = true;
 246                 mvm->temperature = temperature;
 247         }
 248         IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
 249                        mvm->temperature_test ? "En" : "Dis" ,
 250                        mvm->temperature);
 251         /* handle the temperature change */
 252         iwl_mvm_tt_handler(mvm);
 253
 254 out:
 255         mutex_unlock(&mvm->mutex);
 256
 257         return count;
 258 }
 259
 260 static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
 261                                        char __user *user_buf,
 262                                        size_t count, loff_t *ppos)
 263 {
 264         struct iwl_mvm *mvm = file->private_data;
 265         char buf[16];
 266         int pos, ret;
 267         s32 temp;
 268
 269         if (!mvm->ucode_loaded)
 270                 return -EIO;
 271
 272         mutex_lock(&mvm->mutex);
 273         ret = iwl_mvm_get_temp(mvm, &temp);
 274         mutex_unlock(&mvm->mutex);
 275
 276         if (ret)
 277                 return -EIO;
 278
 279         pos = scnprintf(buf , sizeof(buf), "%d\n", temp);
 280
 281         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 282 }
 283
 284 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 285                                        size_t count, loff_t *ppos)
 286 {
 287         struct iwl_mvm *mvm = file->private_data;
 288         struct ieee80211_sta *sta;
 289         char buf[400];
 290         int i, pos = 0, bufsz = sizeof(buf);
 291
 292         mutex_lock(&mvm->mutex);
 293
 294         for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
 295                 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
 296                 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
 297                                                 lockdep_is_held(&mvm->mutex));
 298                 if (!sta)
 299                         pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
 300                 else if (IS_ERR(sta))
 301                         pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
 302                                          PTR_ERR(sta));
 303                 else
 304                         pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
 305                                          sta->addr);
 306         }
 307
 308         mutex_unlock(&mvm->mutex);
 309
 310         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 311 }
 312
 313 static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
 314                                                 char __user *user_buf,
 315                                                 size_t count, loff_t *ppos)
 316 {
 317         struct iwl_mvm *mvm = file->private_data;
 318         char buf[64];
 319         int bufsz = sizeof(buf);
 320         int pos = 0;
 321
 322         pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
 323                          mvm->disable_power_off);
 324         pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
 325                          mvm->disable_power_off_d3);
 326
 327         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 328 }
 329
 330 static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
 331                                                  size_t count, loff_t *ppos)
 332 {
 333         int ret, val;
 334
 335         if (!mvm->ucode_loaded)
 336                 return -EIO;
 337
 338         if (!strncmp("disable_power_off_d0=", buf, 21)) {
 339                 if (sscanf(buf + 21, "%d", &val) != 1)
 340                         return -EINVAL;
 341                 mvm->disable_power_off = val;
 342         } else if (!strncmp("disable_power_off_d3=", buf, 21)) {
 343                 if (sscanf(buf + 21, "%d", &val) != 1)
 344                         return -EINVAL;
 345                 mvm->disable_power_off_d3 = val;
 346         } else {
 347                 return -EINVAL;
 348         }
 349
 350         mutex_lock(&mvm->mutex);
 351         ret = iwl_mvm_power_update_device(mvm);
 352         mutex_unlock(&mvm->mutex);
 353
 354         return ret ?: count;
 355 }
 356
 357 #define BT_MBOX_MSG(_notif, _num, _field)                                    \
 358         ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\
 359         >> BT_MBOX##_num##_##_field##_POS)
 360
 361
 362 #define BT_MBOX_PRINT(_num, _field, _end)                                   \
 363                         pos += scnprintf(buf + pos, bufsz - pos,            \
 364                                          "\t%s: %d%s",                      \
 365                                          #_field,                           \
 366                                          BT_MBOX_MSG(notif, _num, _field),  \
 367                                          true ? "\n" : ", ");
 368
 369 static
 370 int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf,
 371                            int pos, int bufsz)
 372 {
 373         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
 374
 375         BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
 376         BT_MBOX_PRINT(0, LE_PROF1, false);
 377         BT_MBOX_PRINT(0, LE_PROF2, false);
 378         BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
 379         BT_MBOX_PRINT(0, CHL_SEQ_N, false);
 380         BT_MBOX_PRINT(0, INBAND_S, false);
 381         BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
 382         BT_MBOX_PRINT(0, LE_SCAN, false);
 383         BT_MBOX_PRINT(0, LE_ADV, false);
 384         BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
 385         BT_MBOX_PRINT(0, OPEN_CON_1, true);
 386
 387         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
 388
 389         BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
 390         BT_MBOX_PRINT(1, IP_SR, false);
 391         BT_MBOX_PRINT(1, LE_MSTR, false);
 392         BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
 393         BT_MBOX_PRINT(1, MSG_TYPE, false);
 394         BT_MBOX_PRINT(1, SSN, true);
 395
 396         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
 397
 398         BT_MBOX_PRINT(2, SNIFF_ACT, false);
 399         BT_MBOX_PRINT(2, PAG, false);
 400         BT_MBOX_PRINT(2, INQUIRY, false);
 401         BT_MBOX_PRINT(2, CONN, false);
 402         BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
 403         BT_MBOX_PRINT(2, DISC, false);
 404         BT_MBOX_PRINT(2, SCO_TX_ACT, false);
 405         BT_MBOX_PRINT(2, SCO_RX_ACT, false);
 406         BT_MBOX_PRINT(2, ESCO_RE_TX, false);
 407         BT_MBOX_PRINT(2, SCO_DURATION, true);
 408
 409         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
 410
 411         BT_MBOX_PRINT(3, SCO_STATE, false);
 412         BT_MBOX_PRINT(3, SNIFF_STATE, false);
 413         BT_MBOX_PRINT(3, A2DP_STATE, false);
 414         BT_MBOX_PRINT(3, ACL_STATE, false);
 415         BT_MBOX_PRINT(3, MSTR_STATE, false);
 416         BT_MBOX_PRINT(3, OBX_STATE, false);
 417         BT_MBOX_PRINT(3, OPEN_CON_2, false);
 418         BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
 419         BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
 420         BT_MBOX_PRINT(3, INBAND_P, false);
 421         BT_MBOX_PRINT(3, MSG_TYPE_2, false);
 422         BT_MBOX_PRINT(3, SSN_2, false);
 423         BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
 424
 425         return pos;
 426 }
 427
 428 static
 429 int iwl_mvm_coex_dump_mbox_old(struct iwl_bt_coex_profile_notif_old *notif,
 430                                char *buf, int pos, int bufsz)
 431 {
 432         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
 433
 434         BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
 435         BT_MBOX_PRINT(0, LE_PROF1, false);
 436         BT_MBOX_PRINT(0, LE_PROF2, false);
 437         BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
 438         BT_MBOX_PRINT(0, CHL_SEQ_N, false);
 439         BT_MBOX_PRINT(0, INBAND_S, false);
 440         BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
 441         BT_MBOX_PRINT(0, LE_SCAN, false);
 442         BT_MBOX_PRINT(0, LE_ADV, false);
 443         BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
 444         BT_MBOX_PRINT(0, OPEN_CON_1, true);
 445
 446         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
 447
 448         BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
 449         BT_MBOX_PRINT(1, IP_SR, false);
 450         BT_MBOX_PRINT(1, LE_MSTR, false);
 451         BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
 452         BT_MBOX_PRINT(1, MSG_TYPE, false);
 453         BT_MBOX_PRINT(1, SSN, true);
 454
 455         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
 456
 457         BT_MBOX_PRINT(2, SNIFF_ACT, false);
 458         BT_MBOX_PRINT(2, PAG, false);
 459         BT_MBOX_PRINT(2, INQUIRY, false);
 460         BT_MBOX_PRINT(2, CONN, false);
 461         BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
 462         BT_MBOX_PRINT(2, DISC, false);
 463         BT_MBOX_PRINT(2, SCO_TX_ACT, false);
 464         BT_MBOX_PRINT(2, SCO_RX_ACT, false);
 465         BT_MBOX_PRINT(2, ESCO_RE_TX, false);
 466         BT_MBOX_PRINT(2, SCO_DURATION, true);
 467
 468         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
 469
 470         BT_MBOX_PRINT(3, SCO_STATE, false);
 471         BT_MBOX_PRINT(3, SNIFF_STATE, false);
 472         BT_MBOX_PRINT(3, A2DP_STATE, false);
 473         BT_MBOX_PRINT(3, ACL_STATE, false);
 474         BT_MBOX_PRINT(3, MSTR_STATE, false);
 475         BT_MBOX_PRINT(3, OBX_STATE, false);
 476         BT_MBOX_PRINT(3, OPEN_CON_2, false);
 477         BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
 478         BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
 479         BT_MBOX_PRINT(3, INBAND_P, false);
 480         BT_MBOX_PRINT(3, MSG_TYPE_2, false);
 481         BT_MBOX_PRINT(3, SSN_2, false);
 482         BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
 483
 484         return pos;
 485 }
 486
 487 static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
 488                                        size_t count, loff_t *ppos)
 489 {
 490         struct iwl_mvm *mvm = file->private_data;
 491         char *buf;
 492         int ret, pos = 0, bufsz = sizeof(char) * 1024;
 493
 494         buf = kmalloc(bufsz, GFP_KERNEL);
 495         if (!buf)
 496                 return -ENOMEM;
 497
 498         mutex_lock(&mvm->mutex);
 499
 500         if (!fw_has_api(&mvm->fw->ucode_capa,
 501                         IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
 502                 struct iwl_bt_coex_profile_notif_old *notif =
 503                         &mvm->last_bt_notif_old;
 504
 505                 pos += iwl_mvm_coex_dump_mbox_old(notif, buf, pos, bufsz);
 506
 507                 pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
 508                                  notif->bt_ci_compliance);
 509                 pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n",
 510                                  le32_to_cpu(notif->primary_ch_lut));
 511                 pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n",
 512                                  le32_to_cpu(notif->secondary_ch_lut));
 513                 pos += scnprintf(buf+pos,
 514                                  bufsz-pos, "bt_activity_grading = %d\n",
 515                                  le32_to_cpu(notif->bt_activity_grading));
 516                 pos += scnprintf(buf+pos, bufsz-pos,
 517                                  "antenna isolation = %d CORUN LUT index = %d\n",
 518                                  mvm->last_ant_isol, mvm->last_corun_lut);
 519                 pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n",
 520                                  notif->rrc_enabled);
 521                 pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n",
 522                                  notif->ttc_enabled);
 523         } else {
 524                 struct iwl_bt_coex_profile_notif *notif =
 525                         &mvm->last_bt_notif;
 526
 527                 pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz);
 528
 529                 pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
 530                                  notif->bt_ci_compliance);
 531                 pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n",
 532                                  le32_to_cpu(notif->primary_ch_lut));
 533                 pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n",
 534                                  le32_to_cpu(notif->secondary_ch_lut));
 535                 pos += scnprintf(buf+pos,
 536                                  bufsz-pos, "bt_activity_grading = %d\n",
 537                                  le32_to_cpu(notif->bt_activity_grading));
 538                 pos += scnprintf(buf+pos, bufsz-pos,
 539                                  "antenna isolation = %d CORUN LUT index = %d\n",
 540                                  mvm->last_ant_isol, mvm->last_corun_lut);
 541                 pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n",
 542                                  (notif->ttc_rrc_status >> 4) & 0xF);
 543                 pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n",
 544                                  notif->ttc_rrc_status & 0xF);
 545         }
 546
 547         pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n",
 548                          IWL_MVM_BT_COEX_SYNC2SCO);
 549         pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n",
 550                          IWL_MVM_BT_COEX_MPLUT);
 551         pos += scnprintf(buf + pos, bufsz - pos, "corunning = %d\n",
 552                          IWL_MVM_BT_COEX_CORUNNING);
 553
 554         mutex_unlock(&mvm->mutex);
 555
 556         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 557         kfree(buf);
 558
 559         return ret;
 560 }
 561 #undef BT_MBOX_PRINT
 562
 563 static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
 564                                      size_t count, loff_t *ppos)
 565 {
 566         struct iwl_mvm *mvm = file->private_data;
 567         char buf[256];
 568         int bufsz = sizeof(buf);
 569         int pos = 0;
 570
 571         mutex_lock(&mvm->mutex);
 572
 573         if (!fw_has_api(&mvm->fw->ucode_capa,
 574                         IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
 575                 struct iwl_bt_coex_ci_cmd_old *cmd = &mvm->last_bt_ci_cmd_old;
 576
 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));
 585
 586                 pos += scnprintf(buf+pos, bufsz-pos,
 587                                  "BT Configuration CMD - 0=default, 1=never, 2=always\n");
 588                 pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill msk idx %d\n",
 589                                  mvm->bt_ack_kill_msk[0]);
 590                 pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill msk idx %d\n",
 591                                  mvm->bt_cts_kill_msk[0]);
 592
 593         } else {
 594                 struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
 595
 596                 pos += scnprintf(buf+pos, bufsz-pos,
 597                                  "Channel inhibition CMD\n");
 598                 pos += scnprintf(buf+pos, bufsz-pos,
 599                                "\tPrimary Channel Bitmap 0x%016llx\n",
 600                                le64_to_cpu(cmd->bt_primary_ci));
 601                 pos += scnprintf(buf+pos, bufsz-pos,
 602                                "\tSecondary Channel Bitmap 0x%016llx\n",
 603                                le64_to_cpu(cmd->bt_secondary_ci));
 604         }
 605
 606         mutex_unlock(&mvm->mutex);
 607
 608         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 609 }
 610
 611 static ssize_t
 612 iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
 613                            size_t count, loff_t *ppos)
 614 {
 615         u32 bt_tx_prio;
 616
 617         if (sscanf(buf, "%u", &bt_tx_prio) != 1)
 618                 return -EINVAL;
 619         if (bt_tx_prio > 4)
 620                 return -EINVAL;
 621
 622         mvm->bt_tx_prio = bt_tx_prio;
 623
 624         return count;
 625 }
 626
 627 static ssize_t
 628 iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
 629                              size_t count, loff_t *ppos)
 630 {
 631         static const char * const modes_str[BT_FORCE_ANT_MAX] = {
 632                 [BT_FORCE_ANT_DIS] = "dis",
 633                 [BT_FORCE_ANT_AUTO] = "auto",
 634                 [BT_FORCE_ANT_BT] = "bt",
 635                 [BT_FORCE_ANT_WIFI] = "wifi",
 636         };
 637         int ret, bt_force_ant_mode;
 638
 639         for (bt_force_ant_mode = 0;
 640              bt_force_ant_mode < ARRAY_SIZE(modes_str);
 641              bt_force_ant_mode++) {
 642                 if (!strcmp(buf, modes_str[bt_force_ant_mode]))
 643                         break;
 644         }
 645
 646         if (bt_force_ant_mode >= ARRAY_SIZE(modes_str))
 647                 return -EINVAL;
 648
 649         ret = 0;
 650         mutex_lock(&mvm->mutex);
 651         if (mvm->bt_force_ant_mode == bt_force_ant_mode)
 652                 goto out;
 653
 654         mvm->bt_force_ant_mode = bt_force_ant_mode;
 655         IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
 656                        modes_str[mvm->bt_force_ant_mode]);
 657         ret = iwl_send_bt_init_conf(mvm);
 658
 659 out:
 660         mutex_unlock(&mvm->mutex);
 661         return ret ?: count;
 662 }
 663
 664 #define PRINT_STATS_LE32(_struct, _memb)                                \
 665                          pos += scnprintf(buf + pos, bufsz - pos,       \
 666                                           fmt_table, #_memb,            \
 667                                           le32_to_cpu(_struct->_memb))
 668
 669 static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
 670                                           char __user *user_buf, size_t count,
 671                                           loff_t *ppos)
 672 {
 673         struct iwl_mvm *mvm = file->private_data;
 674         static const char *fmt_table = "\t%-30s %10u\n";
 675         static const char *fmt_header = "%-32s\n";
 676         int pos = 0;
 677         char *buf;
 678         int ret;
 679         /* 43 is the size of each data line, 33 is the size of each header */
 680         size_t bufsz =
 681                 ((sizeof(struct mvm_statistics_rx) / sizeof(__le32)) * 43) +
 682                 (4 * 33) + 1;
 683
 684         struct mvm_statistics_rx_phy *ofdm;
 685         struct mvm_statistics_rx_phy *cck;
 686         struct mvm_statistics_rx_non_phy *general;
 687         struct mvm_statistics_rx_ht_phy *ht;
 688
 689         buf = kzalloc(bufsz, GFP_KERNEL);
 690         if (!buf)
 691                 return -ENOMEM;
 692
 693         mutex_lock(&mvm->mutex);
 694
 695         ofdm = &mvm->rx_stats.ofdm;
 696         cck = &mvm->rx_stats.cck;
 697         general = &mvm->rx_stats.general;
 698         ht = &mvm->rx_stats.ofdm_ht;
 699
 700         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 701                          "Statistics_Rx - OFDM");
 702         PRINT_STATS_LE32(ofdm, ina_cnt);
 703         PRINT_STATS_LE32(ofdm, fina_cnt);
 704         PRINT_STATS_LE32(ofdm, plcp_err);
 705         PRINT_STATS_LE32(ofdm, crc32_err);
 706         PRINT_STATS_LE32(ofdm, overrun_err);
 707         PRINT_STATS_LE32(ofdm, early_overrun_err);
 708         PRINT_STATS_LE32(ofdm, crc32_good);
 709         PRINT_STATS_LE32(ofdm, false_alarm_cnt);
 710         PRINT_STATS_LE32(ofdm, fina_sync_err_cnt);
 711         PRINT_STATS_LE32(ofdm, sfd_timeout);
 712         PRINT_STATS_LE32(ofdm, fina_timeout);
 713         PRINT_STATS_LE32(ofdm, unresponded_rts);
 714         PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
 715         PRINT_STATS_LE32(ofdm, sent_ack_cnt);
 716         PRINT_STATS_LE32(ofdm, sent_cts_cnt);
 717         PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
 718         PRINT_STATS_LE32(ofdm, dsp_self_kill);
 719         PRINT_STATS_LE32(ofdm, mh_format_err);
 720         PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum);
 721         PRINT_STATS_LE32(ofdm, reserved);
 722
 723         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 724                          "Statistics_Rx - CCK");
 725         PRINT_STATS_LE32(cck, ina_cnt);
 726         PRINT_STATS_LE32(cck, fina_cnt);
 727         PRINT_STATS_LE32(cck, plcp_err);
 728         PRINT_STATS_LE32(cck, crc32_err);
 729         PRINT_STATS_LE32(cck, overrun_err);
 730         PRINT_STATS_LE32(cck, early_overrun_err);
 731         PRINT_STATS_LE32(cck, crc32_good);
 732         PRINT_STATS_LE32(cck, false_alarm_cnt);
 733         PRINT_STATS_LE32(cck, fina_sync_err_cnt);
 734         PRINT_STATS_LE32(cck, sfd_timeout);
 735         PRINT_STATS_LE32(cck, fina_timeout);
 736         PRINT_STATS_LE32(cck, unresponded_rts);
 737         PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
 738         PRINT_STATS_LE32(cck, sent_ack_cnt);
 739         PRINT_STATS_LE32(cck, sent_cts_cnt);
 740         PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
 741         PRINT_STATS_LE32(cck, dsp_self_kill);
 742         PRINT_STATS_LE32(cck, mh_format_err);
 743         PRINT_STATS_LE32(cck, re_acq_main_rssi_sum);
 744         PRINT_STATS_LE32(cck, reserved);
 745
 746         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 747                          "Statistics_Rx - GENERAL");
 748         PRINT_STATS_LE32(general, bogus_cts);
 749         PRINT_STATS_LE32(general, bogus_ack);
 750         PRINT_STATS_LE32(general, non_bssid_frames);
 751         PRINT_STATS_LE32(general, filtered_frames);
 752         PRINT_STATS_LE32(general, non_channel_beacons);
 753         PRINT_STATS_LE32(general, channel_beacons);
 754         PRINT_STATS_LE32(general, num_missed_bcon);
 755         PRINT_STATS_LE32(general, adc_rx_saturation_time);
 756         PRINT_STATS_LE32(general, ina_detection_search_time);
 757         PRINT_STATS_LE32(general, beacon_silence_rssi_a);
 758         PRINT_STATS_LE32(general, beacon_silence_rssi_b);
 759         PRINT_STATS_LE32(general, beacon_silence_rssi_c);
 760         PRINT_STATS_LE32(general, interference_data_flag);
 761         PRINT_STATS_LE32(general, channel_load);
 762         PRINT_STATS_LE32(general, dsp_false_alarms);
 763         PRINT_STATS_LE32(general, beacon_rssi_a);
 764         PRINT_STATS_LE32(general, beacon_rssi_b);
 765         PRINT_STATS_LE32(general, beacon_rssi_c);
 766         PRINT_STATS_LE32(general, beacon_energy_a);
 767         PRINT_STATS_LE32(general, beacon_energy_b);
 768         PRINT_STATS_LE32(general, beacon_energy_c);
 769         PRINT_STATS_LE32(general, num_bt_kills);
 770         PRINT_STATS_LE32(general, mac_id);
 771         PRINT_STATS_LE32(general, directed_data_mpdu);
 772
 773         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 774                          "Statistics_Rx - HT");
 775         PRINT_STATS_LE32(ht, plcp_err);
 776         PRINT_STATS_LE32(ht, overrun_err);
 777         PRINT_STATS_LE32(ht, early_overrun_err);
 778         PRINT_STATS_LE32(ht, crc32_good);
 779         PRINT_STATS_LE32(ht, crc32_err);
 780         PRINT_STATS_LE32(ht, mh_format_err);
 781         PRINT_STATS_LE32(ht, agg_crc32_good);
 782         PRINT_STATS_LE32(ht, agg_mpdu_cnt);
 783         PRINT_STATS_LE32(ht, agg_cnt);
 784         PRINT_STATS_LE32(ht, unsupport_mcs);
 785
 786         mutex_unlock(&mvm->mutex);
 787
 788         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 789         kfree(buf);
 790
 791         return ret;
 792 }
 793 #undef PRINT_STAT_LE32
 794
 795 static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
 796                                           char __user *user_buf, size_t count,
 797                                           loff_t *ppos,
 798                                           struct iwl_mvm_frame_stats *stats)
 799 {
 800         char *buff, *pos, *endpos;
 801         int idx, i;
 802         int ret;
 803         static const size_t bufsz = 1024;
 804
 805         buff = kmalloc(bufsz, GFP_KERNEL);
 806         if (!buff)
 807                 return -ENOMEM;
 808
 809         spin_lock_bh(&mvm->drv_stats_lock);
 810
 811         pos = buff;
 812         endpos = pos + bufsz;
 813
 814         pos += scnprintf(pos, endpos - pos,
 815                          "Legacy/HT/VHT\t:\t%d/%d/%d\n",
 816                          stats->legacy_frames,
 817                          stats->ht_frames,
 818                          stats->vht_frames);
 819         pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
 820                          stats->bw_20_frames,
 821                          stats->bw_40_frames,
 822                          stats->bw_80_frames);
 823         pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
 824                          stats->ngi_frames,
 825                          stats->sgi_frames);
 826         pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
 827                          stats->siso_frames,
 828                          stats->mimo2_frames);
 829         pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
 830                          stats->fail_frames,
 831                          stats->success_frames);
 832         pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
 833                          stats->agg_frames);
 834         pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
 835                          stats->ampdu_count);
 836         pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
 837                          stats->ampdu_count > 0 ?
 838                          (stats->agg_frames / stats->ampdu_count) : 0);
 839
 840         pos += scnprintf(pos, endpos - pos, "Last Rates\n");
 841
 842         idx = stats->last_frame_idx - 1;
 843         for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
 844                 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
 845                 if (stats->last_rates[idx] == 0)
 846                         continue;
 847                 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
 848                                  (int)(ARRAY_SIZE(stats->last_rates) - i));
 849                 pos += rs_pretty_print_rate(pos, stats->last_rates[idx]);
 850         }
 851         spin_unlock_bh(&mvm->drv_stats_lock);
 852
 853         ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
 854         kfree(buff);
 855
 856         return ret;
 857 }
 858
 859 static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
 860                                            char __user *user_buf, size_t count,
 861                                            loff_t *ppos)
 862 {
 863         struct iwl_mvm *mvm = file->private_data;
 864
 865         return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
 866                                           &mvm->drv_rx_stats);
 867 }
 868
 869 static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
 870                                           size_t count, loff_t *ppos)
 871 {
 872         int ret;
 873
 874         mutex_lock(&mvm->mutex);
 875
 876         /* allow one more restart that we're provoking here */
 877         if (mvm->restart_fw >= 0)
 878                 mvm->restart_fw++;
 879
 880         /* take the return value to make compiler happy - it will fail anyway */
 881         ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, 0, 0, NULL);
 882
 883         mutex_unlock(&mvm->mutex);
 884
 885         return count;
 886 }
 887
 888 static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
 889                                       size_t count, loff_t *ppos)
 890 {
 891         int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI);
 892         if (ret)
 893                 return ret;
 894
 895         iwl_force_nmi(mvm->trans);
 896
 897         iwl_mvm_unref(mvm, IWL_MVM_REF_NMI);
 898
 899         return count;
 900 }
 901
 902 static ssize_t
 903 iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
 904                                 char __user *user_buf,
 905                                 size_t count, loff_t *ppos)
 906 {
 907         struct iwl_mvm *mvm = file->private_data;
 908         int pos = 0;
 909         char buf[32];
 910         const size_t bufsz = sizeof(buf);
 911
 912         /* print which antennas were set for the scan command by the user */
 913         pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
 914         if (mvm->scan_rx_ant & ANT_A)
 915                 pos += scnprintf(buf + pos, bufsz - pos, "A");
 916         if (mvm->scan_rx_ant & ANT_B)
 917                 pos += scnprintf(buf + pos, bufsz - pos, "B");
 918         if (mvm->scan_rx_ant & ANT_C)
 919                 pos += scnprintf(buf + pos, bufsz - pos, "C");
 920         pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant);
 921
 922         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 923 }
 924
 925 static ssize_t
 926 iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
 927                                  size_t count, loff_t *ppos)
 928 {
 929         u8 scan_rx_ant;
 930
 931         if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
 932                 return -EINVAL;
 933         if (scan_rx_ant > ANT_ABC)
 934                 return -EINVAL;
 935         if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
 936                 return -EINVAL;
 937
 938         if (mvm->scan_rx_ant != scan_rx_ant) {
 939                 mvm->scan_rx_ant = scan_rx_ant;
 940                 if (fw_has_capa(&mvm->fw->ucode_capa,
 941                                 IWL_UCODE_TLV_CAPA_UMAC_SCAN))
 942                         iwl_mvm_config_scan(mvm);
 943         }
 944
 945         return count;
 946 }
 947
 948 static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm,
 949                                                char *buf, size_t count,
 950                                                loff_t *ppos)
 951 {
 952         struct iwl_rss_config_cmd cmd = {
 953                 .flags = cpu_to_le32(IWL_RSS_ENABLE),
 954                 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
 955                              IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
 956                              IWL_RSS_HASH_TYPE_IPV6_TCP |
 957                              IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
 958         };
 959         int ret, i, num_repeats, nbytes = count / 2;
 960
 961         ret = hex2bin(cmd.indirection_table, buf, nbytes);
 962         if (ret)
 963                 return ret;
 964
 965         /*
 966          * The input is the redirection table, partial or full.
 967          * Repeat the pattern if needed.
 968          * For example, input of 01020F will be repeated 42 times,
 969          * indirecting RSS hash results to queues 1, 2, 15 (skipping
 970          * queues 3 - 14).
 971          */
 972         num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes;
 973         for (i = 1; i < num_repeats; i++)
 974                 memcpy(&cmd.indirection_table[i * nbytes],
 975                        cmd.indirection_table, nbytes);
 976         /* handle cut in the middle pattern for the last places */
 977         memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table,
 978                ARRAY_SIZE(cmd.indirection_table) % nbytes);
 979
 980         memcpy(cmd.secret_key, mvm->secret_key, sizeof(cmd.secret_key));
 981
 982         mutex_lock(&mvm->mutex);
 983         ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
 984         mutex_unlock(&mvm->mutex);
 985
 986         return ret ?: count;
 987 }
 988
 989 static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
 990                                           char __user *user_buf,
 991                                           size_t count, loff_t *ppos)
 992 {
 993         struct iwl_mvm *mvm = file->private_data;
 994         int conf;
 995         char buf[8];
 996         const size_t bufsz = sizeof(buf);
 997         int pos = 0;
 998
 999         mutex_lock(&mvm->mutex);
1000         conf = mvm->fw_dbg_conf;
1001         mutex_unlock(&mvm->mutex);
1002
1003         pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
1004
1005         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1006 }
1007
1008 /*
1009  * Enable / Disable continuous recording.
1010  * Cause the FW to start continuous recording, by sending the relevant hcmd.
1011  * Enable: input of every integer larger than 0, ENABLE_CONT_RECORDING.
1012  * Disable: for 0 as input, DISABLE_CONT_RECORDING.
1013  */
1014 static ssize_t iwl_dbgfs_cont_recording_write(struct iwl_mvm *mvm,
1015                                               char *buf, size_t count,
1016                                               loff_t *ppos)
1017 {
1018         struct iwl_trans *trans = mvm->trans;
1019         const struct iwl_fw_dbg_dest_tlv *dest = trans->dbg_dest_tlv;
1020         struct iwl_continuous_record_cmd cont_rec = {};
1021         int ret, rec_mode;
1022
1023         if (!dest)
1024                 return -EOPNOTSUPP;
1025
1026         if (dest->monitor_mode != SMEM_MODE ||
1027             trans->cfg->device_family != IWL_DEVICE_FAMILY_8000)
1028                 return -EOPNOTSUPP;
1029
1030         ret = kstrtoint(buf, 0, &rec_mode);
1031         if (ret)
1032                 return ret;
1033
1034         cont_rec.record_mode.enable_recording = rec_mode ?
1035                 cpu_to_le16(ENABLE_CONT_RECORDING) :
1036                 cpu_to_le16(DISABLE_CONT_RECORDING);
1037
1038         mutex_lock(&mvm->mutex);
1039         ret = iwl_mvm_send_cmd_pdu(mvm, LDBG_CONFIG_CMD, 0,
1040                                    sizeof(cont_rec), &cont_rec);
1041         mutex_unlock(&mvm->mutex);
1042
1043         return ret ?: count;
1044 }
1045
1046 static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
1047                                            char *buf, size_t count,
1048                                            loff_t *ppos)
1049 {
1050         unsigned int conf_id;
1051         int ret;
1052
1053         ret = kstrtouint(buf, 0, &conf_id);
1054         if (ret)
1055                 return ret;
1056
1057         if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
1058                 return -EINVAL;
1059
1060         mutex_lock(&mvm->mutex);
1061         ret = iwl_mvm_start_fw_dbg_conf(mvm, conf_id);
1062         mutex_unlock(&mvm->mutex);
1063
1064         return ret ?: count;
1065 }
1066
1067 static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
1068                                               char *buf, size_t count,
1069                                               loff_t *ppos)
1070 {
1071         int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
1072
1073         if (ret)
1074                 return ret;
1075
1076         iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, buf,
1077                                (count - 1), NULL);
1078
1079         iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
1080
1081         return count;
1082 }
1083
1084 static ssize_t iwl_dbgfs_max_amsdu_len_write(struct iwl_mvm *mvm,
1085                                              char *buf, size_t count,
1086                                              loff_t *ppos)
1087 {
1088         unsigned int max_amsdu_len;
1089         int ret;
1090
1091         ret = kstrtouint(buf, 0, &max_amsdu_len);
1092
1093         if (max_amsdu_len > IEEE80211_MAX_MPDU_LEN_VHT_11454)
1094                 return -EINVAL;
1095         mvm->max_amsdu_len = max_amsdu_len;
1096
1097         return count;
1098 }
1099
1100 #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__)
1101 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1102 static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file,
1103                                             char __user *user_buf,
1104                                             size_t count, loff_t *ppos)
1105 {
1106         struct iwl_mvm *mvm = file->private_data;
1107         struct iwl_bcast_filter_cmd cmd;
1108         const struct iwl_fw_bcast_filter *filter;
1109         char *buf;
1110         int bufsz = 1024;
1111         int i, j, pos = 0;
1112         ssize_t ret;
1113
1114         buf = kzalloc(bufsz, GFP_KERNEL);
1115         if (!buf)
1116                 return -ENOMEM;
1117
1118         mutex_lock(&mvm->mutex);
1119         if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1120                 ADD_TEXT("None\n");
1121                 mutex_unlock(&mvm->mutex);
1122                 goto out;
1123         }
1124         mutex_unlock(&mvm->mutex);
1125
1126         for (i = 0; cmd.filters[i].attrs[0].mask; i++) {
1127                 filter = &cmd.filters[i];
1128
1129                 ADD_TEXT("Filter [%d]:\n", i);
1130                 ADD_TEXT("\tDiscard=%d\n", filter->discard);
1131                 ADD_TEXT("\tFrame Type: %s\n",
1132                          filter->frame_type ? "IPv4" : "Generic");
1133
1134                 for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) {
1135                         const struct iwl_fw_bcast_filter_attr *attr;
1136
1137                         attr = &filter->attrs[j];
1138                         if (!attr->mask)
1139                                 break;
1140
1141                         ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n",
1142                                  j, attr->offset,
1143                                  attr->offset_type ? "IP End" :
1144                                                      "Payload Start",
1145                                  be32_to_cpu(attr->mask),
1146                                  be32_to_cpu(attr->val),
1147                                  le16_to_cpu(attr->reserved1));
1148                 }
1149         }
1150 out:
1151         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1152         kfree(buf);
1153         return ret;
1154 }
1155
1156 static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf,
1157                                              size_t count, loff_t *ppos)
1158 {
1159         int pos, next_pos;
1160         struct iwl_fw_bcast_filter filter = {};
1161         struct iwl_bcast_filter_cmd cmd;
1162         u32 filter_id, attr_id, mask, value;
1163         int err = 0;
1164
1165         if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard,
1166                    &filter.frame_type, &pos) != 3)
1167                 return -EINVAL;
1168
1169         if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) ||
1170             filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4)
1171                 return -EINVAL;
1172
1173         for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs);
1174              attr_id++) {
1175                 struct iwl_fw_bcast_filter_attr *attr =
1176                                 &filter.attrs[attr_id];
1177
1178                 if (pos >= count)
1179                         break;
1180
1181                 if (sscanf(&buf[pos], "%hhi %hhi %i %i %n",
1182                            &attr->offset, &attr->offset_type,
1183                            &mask, &value, &next_pos) != 4)
1184                         return -EINVAL;
1185
1186                 attr->mask = cpu_to_be32(mask);
1187                 attr->val = cpu_to_be32(value);
1188                 if (mask)
1189                         filter.num_attrs++;
1190
1191                 pos += next_pos;
1192         }
1193
1194         mutex_lock(&mvm->mutex);
1195         memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id],
1196                &filter, sizeof(filter));
1197
1198         /* send updated bcast filtering configuration */
1199         if (mvm->dbgfs_bcast_filtering.override &&
1200             iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1201                 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1202                                            sizeof(cmd), &cmd);
1203         mutex_unlock(&mvm->mutex);
1204
1205         return err ?: count;
1206 }
1207
1208 static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file,
1209                                                  char __user *user_buf,
1210                                                  size_t count, loff_t *ppos)
1211 {
1212         struct iwl_mvm *mvm = file->private_data;
1213         struct iwl_bcast_filter_cmd cmd;
1214         char *buf;
1215         int bufsz = 1024;
1216         int i, pos = 0;
1217         ssize_t ret;
1218
1219         buf = kzalloc(bufsz, GFP_KERNEL);
1220         if (!buf)
1221                 return -ENOMEM;
1222
1223         mutex_lock(&mvm->mutex);
1224         if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1225                 ADD_TEXT("None\n");
1226                 mutex_unlock(&mvm->mutex);
1227                 goto out;
1228         }
1229         mutex_unlock(&mvm->mutex);
1230
1231         for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) {
1232                 const struct iwl_fw_bcast_mac *mac = &cmd.macs[i];
1233
1234                 ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n",
1235                          i, mac->default_discard, mac->attached_filters);
1236         }
1237 out:
1238         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1239         kfree(buf);
1240         return ret;
1241 }
1242
1243 static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm,
1244                                                   char *buf, size_t count,
1245                                                   loff_t *ppos)
1246 {
1247         struct iwl_bcast_filter_cmd cmd;
1248         struct iwl_fw_bcast_mac mac = {};
1249         u32 mac_id, attached_filters;
1250         int err = 0;
1251
1252         if (!mvm->bcast_filters)
1253                 return -ENOENT;
1254
1255         if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard,
1256                    &attached_filters) != 3)
1257                 return -EINVAL;
1258
1259         if (mac_id >= ARRAY_SIZE(cmd.macs) ||
1260             mac.default_discard > 1 ||
1261             attached_filters >= BIT(ARRAY_SIZE(cmd.filters)))
1262                 return -EINVAL;
1263
1264         mac.attached_filters = cpu_to_le16(attached_filters);
1265
1266         mutex_lock(&mvm->mutex);
1267         memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id],
1268                &mac, sizeof(mac));
1269
1270         /* send updated bcast filtering configuration */
1271         if (mvm->dbgfs_bcast_filtering.override &&
1272             iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1273                 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1274                                            sizeof(cmd), &cmd);
1275         mutex_unlock(&mvm->mutex);
1276
1277         return err ?: count;
1278 }
1279 #endif
1280
1281 #ifdef CONFIG_PM_SLEEP
1282 static ssize_t iwl_dbgfs_d3_sram_write(struct iwl_mvm *mvm, char *buf,
1283                                        size_t count, loff_t *ppos)
1284 {
1285         int store;
1286
1287         if (sscanf(buf, "%d", &store) != 1)
1288                 return -EINVAL;
1289
1290         mvm->store_d3_resume_sram = store;
1291
1292         return count;
1293 }
1294
1295 static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf,
1296                                       size_t count, loff_t *ppos)
1297 {
1298         struct iwl_mvm *mvm = file->private_data;
1299         const struct fw_img *img;
1300         int ofs, len, pos = 0;
1301         size_t bufsz, ret;
1302         char *buf;
1303         u8 *ptr = mvm->d3_resume_sram;
1304
1305         img = &mvm->fw->img[IWL_UCODE_WOWLAN];
1306         len = img->sec[IWL_UCODE_SECTION_DATA].len;
1307
1308         bufsz = len * 4 + 256;
1309         buf = kzalloc(bufsz, GFP_KERNEL);
1310         if (!buf)
1311                 return -ENOMEM;
1312
1313         pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n",
1314                          mvm->store_d3_resume_sram ? "en" : "dis");
1315
1316         if (ptr) {
1317                 for (ofs = 0; ofs < len; ofs += 16) {
1318                         pos += scnprintf(buf + pos, bufsz - pos,
1319                                          "0x%.4x %16ph\n", ofs, ptr + ofs);
1320                 }
1321         } else {
1322                 pos += scnprintf(buf + pos, bufsz - pos,
1323                                  "(no data captured)\n");
1324         }
1325
1326         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1327
1328         kfree(buf);
1329
1330         return ret;
1331 }
1332 #endif
1333
1334 #define PRINT_MVM_REF(ref) do {                                         \
1335         if (mvm->refs[ref])                                             \
1336                 pos += scnprintf(buf + pos, bufsz - pos,                \
1337                                  "\t(0x%lx): %d %s\n",                  \
1338                                  BIT(ref), mvm->refs[ref], #ref);       \
1339 } while (0)
1340
1341 static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file,
1342                                         char __user *user_buf,
1343                                         size_t count, loff_t *ppos)
1344 {
1345         struct iwl_mvm *mvm = file->private_data;
1346         int i, pos = 0;
1347         char buf[256];
1348         const size_t bufsz = sizeof(buf);
1349         u32 refs = 0;
1350
1351         for (i = 0; i < IWL_MVM_REF_COUNT; i++)
1352                 if (mvm->refs[i])
1353                         refs |= BIT(i);
1354
1355         pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n",
1356                          refs);
1357
1358         PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN);
1359         PRINT_MVM_REF(IWL_MVM_REF_SCAN);
1360         PRINT_MVM_REF(IWL_MVM_REF_ROC);
1361         PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX);
1362         PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT);
1363         PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS);
1364         PRINT_MVM_REF(IWL_MVM_REF_USER);
1365         PRINT_MVM_REF(IWL_MVM_REF_TX);
1366         PRINT_MVM_REF(IWL_MVM_REF_TX_AGG);
1367         PRINT_MVM_REF(IWL_MVM_REF_ADD_IF);
1368         PRINT_MVM_REF(IWL_MVM_REF_START_AP);
1369         PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED);
1370         PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX);
1371         PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS);
1372         PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL);
1373         PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ);
1374         PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE);
1375         PRINT_MVM_REF(IWL_MVM_REF_NMI);
1376         PRINT_MVM_REF(IWL_MVM_REF_TM_CMD);
1377         PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK);
1378         PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA);
1379         PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT);
1380         PRINT_MVM_REF(IWL_MVM_REF_INIT_UCODE);
1381
1382         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1383 }
1384
1385 static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf,
1386                                          size_t count, loff_t *ppos)
1387 {
1388         unsigned long value;
1389         int ret;
1390         bool taken;
1391
1392         ret = kstrtoul(buf, 10, &value);
1393         if (ret < 0)
1394                 return ret;
1395
1396         mutex_lock(&mvm->mutex);
1397
1398         taken = mvm->refs[IWL_MVM_REF_USER];
1399         if (value == 1 && !taken)
1400                 iwl_mvm_ref(mvm, IWL_MVM_REF_USER);
1401         else if (value == 0 && taken)
1402                 iwl_mvm_unref(mvm, IWL_MVM_REF_USER);
1403         else
1404                 ret = -EINVAL;
1405
1406         mutex_unlock(&mvm->mutex);
1407
1408         if (ret < 0)
1409                 return ret;
1410         return count;
1411 }
1412
1413 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1414         _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1415 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1416         _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1417 #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do {      \
1418                 if (!debugfs_create_file(alias, mode, parent, mvm,      \
1419                                          &iwl_dbgfs_##name##_ops))      \
1420                         goto err;                                       \
1421         } while (0)
1422 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1423         MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1424
1425 static ssize_t
1426 iwl_dbgfs_prph_reg_read(struct file *file,
1427                         char __user *user_buf,
1428                         size_t count, loff_t *ppos)
1429 {
1430         struct iwl_mvm *mvm = file->private_data;
1431         int pos = 0;
1432         char buf[32];
1433         const size_t bufsz = sizeof(buf);
1434         int ret;
1435
1436         if (!mvm->dbgfs_prph_reg_addr)
1437                 return -EINVAL;
1438
1439         ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ);
1440         if (ret)
1441                 return ret;
1442
1443         pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
1444                 mvm->dbgfs_prph_reg_addr,
1445                 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
1446
1447         iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ);
1448
1449         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1450 }
1451
1452 static ssize_t
1453 iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
1454                          size_t count, loff_t *ppos)
1455 {
1456         u8 args;
1457         u32 value;
1458         int ret;
1459
1460         args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
1461         /* if we only want to set the reg address - nothing more to do */
1462         if (args == 1)
1463                 goto out;
1464
1465         /* otherwise, make sure we have both address and value */
1466         if (args != 2)
1467                 return -EINVAL;
1468
1469         ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
1470         if (ret)
1471                 return ret;
1472
1473         iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
1474
1475         iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
1476 out:
1477         return count;
1478 }
1479
1480 static ssize_t
1481 iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
1482                               size_t count, loff_t *ppos)
1483 {
1484         int ret;
1485
1486         mutex_lock(&mvm->mutex);
1487         ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
1488         mutex_unlock(&mvm->mutex);
1489
1490         return ret ?: count;
1491 }
1492
1493 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
1494
1495 /* Device wide debugfs entries */
1496 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
1497 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
1498 MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
1499 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
1500 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
1501 MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
1502 MVM_DEBUGFS_READ_FILE_OPS(stations);
1503 MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
1504 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
1505 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
1506 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
1507 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
1508 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
1509 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
1510 MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
1511 MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
1512 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
1513 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8);
1514 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
1515 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64);
1516 MVM_DEBUGFS_WRITE_FILE_OPS(cont_recording, 8);
1517 MVM_DEBUGFS_WRITE_FILE_OPS(max_amsdu_len, 8);
1518 MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
1519                            (IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
1520
1521 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1522 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256);
1523 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256);
1524 #endif
1525
1526 #ifdef CONFIG_PM_SLEEP
1527 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8);
1528 #endif
1529
1530 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
1531 {
1532         struct dentry *bcast_dir __maybe_unused;
1533         char buf[100];
1534
1535         spin_lock_init(&mvm->drv_stats_lock);
1536
1537         mvm->debugfs_dir = dbgfs_dir;
1538
1539         MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR);
1540         MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR);
1541         MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
1542         MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir,
1543                              S_IWUSR | S_IRUSR);
1544         MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, S_IRUSR);
1545         MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR);
1546         MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR);
1547         MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, S_IRUSR);
1548         MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir,
1549                              S_IRUSR | S_IWUSR);
1550         MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, S_IRUSR);
1551         MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, S_IRUSR);
1552         MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR);
1553         MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR);
1554         MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, S_IWUSR);
1555         MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, S_IWUSR);
1556         MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir,
1557                              S_IWUSR | S_IRUSR);
1558         MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
1559         MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1560         MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1561         MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, S_IWUSR);
1562         MVM_DEBUGFS_ADD_FILE(max_amsdu_len, mvm->debugfs_dir, S_IWUSR);
1563         MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, S_IWUSR);
1564         MVM_DEBUGFS_ADD_FILE(cont_recording, mvm->debugfs_dir, S_IWUSR);
1565         MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, S_IWUSR);
1566         if (!debugfs_create_bool("enable_scan_iteration_notif",
1567                                  S_IRUSR | S_IWUSR,
1568                                  mvm->debugfs_dir,
1569                                  &mvm->scan_iter_notif_enabled))
1570                 goto err;
1571         if (!debugfs_create_bool("drop_bcn_ap_mode", S_IRUSR | S_IWUSR,
1572                                  mvm->debugfs_dir, &mvm->drop_bcn_ap_mode))
1573                 goto err;
1574
1575 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1576         if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) {
1577                 bcast_dir = debugfs_create_dir("bcast_filtering",
1578                                                mvm->debugfs_dir);
1579                 if (!bcast_dir)
1580                         goto err;
1581
1582                 if (!debugfs_create_bool("override", S_IRUSR | S_IWUSR,
1583                                 bcast_dir,
1584                                 &mvm->dbgfs_bcast_filtering.override))
1585                         goto err;
1586
1587                 MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters,
1588                                            bcast_dir, S_IWUSR | S_IRUSR);
1589                 MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs,
1590                                            bcast_dir, S_IWUSR | S_IRUSR);
1591         }
1592 #endif
1593
1594 #ifdef CONFIG_PM_SLEEP
1595         MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1596         MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR);
1597         if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR,
1598                                  mvm->debugfs_dir, &mvm->d3_wake_sysassert))
1599                 goto err;
1600         if (!debugfs_create_u32("last_netdetect_scans", S_IRUSR,
1601                                 mvm->debugfs_dir, &mvm->last_netdetect_scans))
1602                 goto err;
1603 #endif
1604
1605         if (!debugfs_create_u8("ps_disabled", S_IRUSR,
1606                                mvm->debugfs_dir, &mvm->ps_disabled))
1607                 goto err;
1608         if (!debugfs_create_blob("nvm_hw", S_IRUSR,
1609                                   mvm->debugfs_dir, &mvm->nvm_hw_blob))
1610                 goto err;
1611         if (!debugfs_create_blob("nvm_sw", S_IRUSR,
1612                                   mvm->debugfs_dir, &mvm->nvm_sw_blob))
1613                 goto err;
1614         if (!debugfs_create_blob("nvm_calib", S_IRUSR,
1615                                   mvm->debugfs_dir, &mvm->nvm_calib_blob))
1616                 goto err;
1617         if (!debugfs_create_blob("nvm_prod", S_IRUSR,
1618                                   mvm->debugfs_dir, &mvm->nvm_prod_blob))
1619                 goto err;
1620         if (!debugfs_create_blob("nvm_phy_sku", S_IRUSR,
1621                                  mvm->debugfs_dir, &mvm->nvm_phy_sku_blob))
1622                 goto err;
1623
1624         /*
1625          * Create a symlink with mac80211. It will be removed when mac80211
1626          * exists (before the opmode exists which removes the target.)
1627          */
1628         snprintf(buf, 100, "../../%s/%s",
1629                  dbgfs_dir->d_parent->d_parent->d_name.name,
1630                  dbgfs_dir->d_parent->d_name.name);
1631         if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf))
1632                 goto err;
1633
1634         return 0;
1635 err:
1636         IWL_ERR(mvm, "Can't create the mvm debugfs directory\n");
1637         return -ENOMEM;
1638 }