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_ctdp_budget_read(struct file *file,
  77                                           char __user *user_buf,
  78                                           size_t count, loff_t *ppos)
  79 {
  80         struct iwl_mvm *mvm = file->private_data;
  81         char buf[16];
  82         int pos, budget;
  83
  84         if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
  85                 return -EIO;
  86
  87         mutex_lock(&mvm->mutex);
  88         budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0);
  89         mutex_unlock(&mvm->mutex);
  90
  91         if (budget < 0)
  92                 return budget;
  93
  94         pos = scnprintf(buf, sizeof(buf), "%d\n", budget);
  95
  96         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
  97 }
  98
  99 static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf,
 100                                          size_t count, loff_t *ppos)
 101 {
 102         int ret;
 103
 104         if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
 105                 return -EIO;
 106
 107         mutex_lock(&mvm->mutex);
 108         ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0);
 109         mutex_unlock(&mvm->mutex);
 110
 111         return ret ?: count;
 112 }
 113
 114 static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
 115                                         size_t count, loff_t *ppos)
 116 {
 117         int ret;
 118         u32 scd_q_msk;
 119
 120         if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
 121                 return -EIO;
 122
 123         if (sscanf(buf, "%x", &scd_q_msk) != 1)
 124                 return -EINVAL;
 125
 126         IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk);
 127
 128         mutex_lock(&mvm->mutex);
 129         ret =  iwl_mvm_flush_tx_path(mvm, scd_q_msk, 0) ? : count;
 130         mutex_unlock(&mvm->mutex);
 131
 132         return ret;
 133 }
 134
 135 static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf,
 136                                          size_t count, loff_t *ppos)
 137 {
 138         struct iwl_mvm_sta *mvmsta;
 139         int sta_id, drain, ret;
 140
 141         if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
 142                 return -EIO;
 143
 144         if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
 145                 return -EINVAL;
 146         if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT)
 147                 return -EINVAL;
 148         if (drain < 0 || drain > 1)
 149                 return -EINVAL;
 150
 151         mutex_lock(&mvm->mutex);
 152
 153         mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
 154
 155         if (!mvmsta)
 156                 ret = -ENOENT;
 157         else
 158                 ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count;
 159
 160         mutex_unlock(&mvm->mutex);
 161
 162         return ret;
 163 }
 164
 165 static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
 166                                    size_t count, loff_t *ppos)
 167 {
 168         struct iwl_mvm *mvm = file->private_data;
 169         const struct fw_img *img;
 170         unsigned int ofs, len;
 171         size_t ret;
 172         u8 *ptr;
 173
 174         if (!mvm->ucode_loaded)
 175                 return -EINVAL;
 176
 177         /* default is to dump the entire data segment */
 178         img = &mvm->fw->img[mvm->cur_ucode];
 179         ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
 180         len = img->sec[IWL_UCODE_SECTION_DATA].len;
 181
 182         if (mvm->dbgfs_sram_len) {
 183                 ofs = mvm->dbgfs_sram_offset;
 184                 len = mvm->dbgfs_sram_len;
 185         }
 186
 187         ptr = kzalloc(len, GFP_KERNEL);
 188         if (!ptr)
 189                 return -ENOMEM;
 190
 191         iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
 192
 193         ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
 194
 195         kfree(ptr);
 196
 197         return ret;
 198 }
 199
 200 static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
 201                                     size_t count, loff_t *ppos)
 202 {
 203         const struct fw_img *img;
 204         u32 offset, len;
 205         u32 img_offset, img_len;
 206
 207         if (!mvm->ucode_loaded)
 208                 return -EINVAL;
 209
 210         img = &mvm->fw->img[mvm->cur_ucode];
 211         img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
 212         img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
 213
 214         if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
 215                 if ((offset & 0x3) || (len & 0x3))
 216                         return -EINVAL;
 217
 218                 if (offset + len > img_offset + img_len)
 219                         return -EINVAL;
 220
 221                 mvm->dbgfs_sram_offset = offset;
 222                 mvm->dbgfs_sram_len = len;
 223         } else {
 224                 mvm->dbgfs_sram_offset = 0;
 225                 mvm->dbgfs_sram_len = 0;
 226         }
 227
 228         return count;
 229 }
 230
 231 static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
 232                                                   char __user *user_buf,
 233                                                   size_t count, loff_t *ppos)
 234 {
 235         struct iwl_mvm *mvm = file->private_data;
 236         char buf[16];
 237         int pos;
 238
 239         if (!mvm->temperature_test)
 240                 pos = scnprintf(buf , sizeof(buf), "disabled\n");
 241         else
 242                 pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature);
 243
 244         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 245 }
 246
 247 /*
 248  * Set NIC Temperature
 249  * Cause the driver to ignore the actual NIC temperature reported by the FW
 250  * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -
 251  * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
 252  * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
 253  */
 254 static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
 255                                                    char *buf, size_t count,
 256                                                    loff_t *ppos)
 257 {
 258         int temperature;
 259
 260         if (!mvm->ucode_loaded && !mvm->temperature_test)
 261                 return -EIO;
 262
 263         if (kstrtoint(buf, 10, &temperature))
 264                 return -EINVAL;
 265         /* not a legal temperature */
 266         if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
 267              temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
 268             temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
 269                 return -EINVAL;
 270
 271         mutex_lock(&mvm->mutex);
 272         if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
 273                 if (!mvm->temperature_test)
 274                         goto out;
 275
 276                 mvm->temperature_test = false;
 277                 /* Since we can't read the temp while awake, just set
 278                  * it to zero until we get the next RX stats from the
 279                  * firmware.
 280                  */
 281                 mvm->temperature = 0;
 282         } else {
 283                 mvm->temperature_test = true;
 284                 mvm->temperature = temperature;
 285         }
 286         IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
 287                        mvm->temperature_test ? "En" : "Dis" ,
 288                        mvm->temperature);
 289         /* handle the temperature change */
 290         iwl_mvm_tt_handler(mvm);
 291
 292 out:
 293         mutex_unlock(&mvm->mutex);
 294
 295         return count;
 296 }
 297
 298 static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
 299                                        char __user *user_buf,
 300                                        size_t count, loff_t *ppos)
 301 {
 302         struct iwl_mvm *mvm = file->private_data;
 303         char buf[16];
 304         int pos, ret;
 305         s32 temp;
 306
 307         if (!mvm->ucode_loaded)
 308                 return -EIO;
 309
 310         mutex_lock(&mvm->mutex);
 311         ret = iwl_mvm_get_temp(mvm, &temp);
 312         mutex_unlock(&mvm->mutex);
 313
 314         if (ret)
 315                 return -EIO;
 316
 317         pos = scnprintf(buf , sizeof(buf), "%d\n", temp);
 318
 319         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 320 }
 321
 322 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 323                                        size_t count, loff_t *ppos)
 324 {
 325         struct iwl_mvm *mvm = file->private_data;
 326         struct ieee80211_sta *sta;
 327         char buf[400];
 328         int i, pos = 0, bufsz = sizeof(buf);
 329
 330         mutex_lock(&mvm->mutex);
 331
 332         for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
 333                 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
 334                 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
 335                                                 lockdep_is_held(&mvm->mutex));
 336                 if (!sta)
 337                         pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
 338                 else if (IS_ERR(sta))
 339                         pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
 340                                          PTR_ERR(sta));
 341                 else
 342                         pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
 343                                          sta->addr);
 344         }
 345
 346         mutex_unlock(&mvm->mutex);
 347
 348         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 349 }
 350
 351 static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
 352                                                 char __user *user_buf,
 353                                                 size_t count, loff_t *ppos)
 354 {
 355         struct iwl_mvm *mvm = file->private_data;
 356         char buf[64];
 357         int bufsz = sizeof(buf);
 358         int pos = 0;
 359
 360         pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
 361                          mvm->disable_power_off);
 362         pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
 363                          mvm->disable_power_off_d3);
 364
 365         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 366 }
 367
 368 static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
 369                                                  size_t count, loff_t *ppos)
 370 {
 371         int ret, val;
 372
 373         if (!mvm->ucode_loaded)
 374                 return -EIO;
 375
 376         if (!strncmp("disable_power_off_d0=", buf, 21)) {
 377                 if (sscanf(buf + 21, "%d", &val) != 1)
 378                         return -EINVAL;
 379                 mvm->disable_power_off = val;
 380         } else if (!strncmp("disable_power_off_d3=", buf, 21)) {
 381                 if (sscanf(buf + 21, "%d", &val) != 1)
 382                         return -EINVAL;
 383                 mvm->disable_power_off_d3 = val;
 384         } else {
 385                 return -EINVAL;
 386         }
 387
 388         mutex_lock(&mvm->mutex);
 389         ret = iwl_mvm_power_update_device(mvm);
 390         mutex_unlock(&mvm->mutex);
 391
 392         return ret ?: count;
 393 }
 394
 395 #define BT_MBOX_MSG(_notif, _num, _field)                                    \
 396         ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\
 397         >> BT_MBOX##_num##_##_field##_POS)
 398
 399
 400 #define BT_MBOX_PRINT(_num, _field, _end)                                   \
 401                         pos += scnprintf(buf + pos, bufsz - pos,            \
 402                                          "\t%s: %d%s",                      \
 403                                          #_field,                           \
 404                                          BT_MBOX_MSG(notif, _num, _field),  \
 405                                          true ? "\n" : ", ");
 406
 407 static
 408 int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf,
 409                            int pos, int bufsz)
 410 {
 411         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
 412
 413         BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
 414         BT_MBOX_PRINT(0, LE_PROF1, false);
 415         BT_MBOX_PRINT(0, LE_PROF2, false);
 416         BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
 417         BT_MBOX_PRINT(0, CHL_SEQ_N, false);
 418         BT_MBOX_PRINT(0, INBAND_S, false);
 419         BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
 420         BT_MBOX_PRINT(0, LE_SCAN, false);
 421         BT_MBOX_PRINT(0, LE_ADV, false);
 422         BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
 423         BT_MBOX_PRINT(0, OPEN_CON_1, true);
 424
 425         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
 426
 427         BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
 428         BT_MBOX_PRINT(1, IP_SR, false);
 429         BT_MBOX_PRINT(1, LE_MSTR, false);
 430         BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
 431         BT_MBOX_PRINT(1, MSG_TYPE, false);
 432         BT_MBOX_PRINT(1, SSN, true);
 433
 434         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
 435
 436         BT_MBOX_PRINT(2, SNIFF_ACT, false);
 437         BT_MBOX_PRINT(2, PAG, false);
 438         BT_MBOX_PRINT(2, INQUIRY, false);
 439         BT_MBOX_PRINT(2, CONN, false);
 440         BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
 441         BT_MBOX_PRINT(2, DISC, false);
 442         BT_MBOX_PRINT(2, SCO_TX_ACT, false);
 443         BT_MBOX_PRINT(2, SCO_RX_ACT, false);
 444         BT_MBOX_PRINT(2, ESCO_RE_TX, false);
 445         BT_MBOX_PRINT(2, SCO_DURATION, true);
 446
 447         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
 448
 449         BT_MBOX_PRINT(3, SCO_STATE, false);
 450         BT_MBOX_PRINT(3, SNIFF_STATE, false);
 451         BT_MBOX_PRINT(3, A2DP_STATE, false);
 452         BT_MBOX_PRINT(3, ACL_STATE, false);
 453         BT_MBOX_PRINT(3, MSTR_STATE, false);
 454         BT_MBOX_PRINT(3, OBX_STATE, false);
 455         BT_MBOX_PRINT(3, OPEN_CON_2, false);
 456         BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
 457         BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
 458         BT_MBOX_PRINT(3, INBAND_P, false);
 459         BT_MBOX_PRINT(3, MSG_TYPE_2, false);
 460         BT_MBOX_PRINT(3, SSN_2, false);
 461         BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
 462
 463         return pos;
 464 }
 465
 466 static
 467 int iwl_mvm_coex_dump_mbox_old(struct iwl_bt_coex_profile_notif_old *notif,
 468                                char *buf, int pos, int bufsz)
 469 {
 470         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
 471
 472         BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
 473         BT_MBOX_PRINT(0, LE_PROF1, false);
 474         BT_MBOX_PRINT(0, LE_PROF2, false);
 475         BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
 476         BT_MBOX_PRINT(0, CHL_SEQ_N, false);
 477         BT_MBOX_PRINT(0, INBAND_S, false);
 478         BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
 479         BT_MBOX_PRINT(0, LE_SCAN, false);
 480         BT_MBOX_PRINT(0, LE_ADV, false);
 481         BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
 482         BT_MBOX_PRINT(0, OPEN_CON_1, true);
 483
 484         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
 485
 486         BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
 487         BT_MBOX_PRINT(1, IP_SR, false);
 488         BT_MBOX_PRINT(1, LE_MSTR, false);
 489         BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
 490         BT_MBOX_PRINT(1, MSG_TYPE, false);
 491         BT_MBOX_PRINT(1, SSN, true);
 492
 493         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
 494
 495         BT_MBOX_PRINT(2, SNIFF_ACT, false);
 496         BT_MBOX_PRINT(2, PAG, false);
 497         BT_MBOX_PRINT(2, INQUIRY, false);
 498         BT_MBOX_PRINT(2, CONN, false);
 499         BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
 500         BT_MBOX_PRINT(2, DISC, false);
 501         BT_MBOX_PRINT(2, SCO_TX_ACT, false);
 502         BT_MBOX_PRINT(2, SCO_RX_ACT, false);
 503         BT_MBOX_PRINT(2, ESCO_RE_TX, false);
 504         BT_MBOX_PRINT(2, SCO_DURATION, true);
 505
 506         pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
 507
 508         BT_MBOX_PRINT(3, SCO_STATE, false);
 509         BT_MBOX_PRINT(3, SNIFF_STATE, false);
 510         BT_MBOX_PRINT(3, A2DP_STATE, false);
 511         BT_MBOX_PRINT(3, ACL_STATE, false);
 512         BT_MBOX_PRINT(3, MSTR_STATE, false);
 513         BT_MBOX_PRINT(3, OBX_STATE, false);
 514         BT_MBOX_PRINT(3, OPEN_CON_2, false);
 515         BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
 516         BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
 517         BT_MBOX_PRINT(3, INBAND_P, false);
 518         BT_MBOX_PRINT(3, MSG_TYPE_2, false);
 519         BT_MBOX_PRINT(3, SSN_2, false);
 520         BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
 521
 522         return pos;
 523 }
 524
 525 static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
 526                                        size_t count, loff_t *ppos)
 527 {
 528         struct iwl_mvm *mvm = file->private_data;
 529         char *buf;
 530         int ret, pos = 0, bufsz = sizeof(char) * 1024;
 531
 532         buf = kmalloc(bufsz, GFP_KERNEL);
 533         if (!buf)
 534                 return -ENOMEM;
 535
 536         mutex_lock(&mvm->mutex);
 537
 538         if (!fw_has_api(&mvm->fw->ucode_capa,
 539                         IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
 540                 struct iwl_bt_coex_profile_notif_old *notif =
 541                         &mvm->last_bt_notif_old;
 542
 543                 pos += iwl_mvm_coex_dump_mbox_old(notif, buf, pos, bufsz);
 544
 545                 pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
 546                                  notif->bt_ci_compliance);
 547                 pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n",
 548                                  le32_to_cpu(notif->primary_ch_lut));
 549                 pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n",
 550                                  le32_to_cpu(notif->secondary_ch_lut));
 551                 pos += scnprintf(buf+pos,
 552                                  bufsz-pos, "bt_activity_grading = %d\n",
 553                                  le32_to_cpu(notif->bt_activity_grading));
 554                 pos += scnprintf(buf+pos, bufsz-pos,
 555                                  "antenna isolation = %d CORUN LUT index = %d\n",
 556                                  mvm->last_ant_isol, mvm->last_corun_lut);
 557                 pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n",
 558                                  notif->rrc_enabled);
 559                 pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n",
 560                                  notif->ttc_enabled);
 561         } else {
 562                 struct iwl_bt_coex_profile_notif *notif =
 563                         &mvm->last_bt_notif;
 564
 565                 pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz);
 566
 567                 pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
 568                                  notif->bt_ci_compliance);
 569                 pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n",
 570                                  le32_to_cpu(notif->primary_ch_lut));
 571                 pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n",
 572                                  le32_to_cpu(notif->secondary_ch_lut));
 573                 pos += scnprintf(buf+pos,
 574                                  bufsz-pos, "bt_activity_grading = %d\n",
 575                                  le32_to_cpu(notif->bt_activity_grading));
 576                 pos += scnprintf(buf+pos, bufsz-pos,
 577                                  "antenna isolation = %d CORUN LUT index = %d\n",
 578                                  mvm->last_ant_isol, mvm->last_corun_lut);
 579                 pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n",
 580                                  (notif->ttc_rrc_status >> 4) & 0xF);
 581                 pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n",
 582                                  notif->ttc_rrc_status & 0xF);
 583         }
 584
 585         pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n",
 586                          IWL_MVM_BT_COEX_SYNC2SCO);
 587         pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n",
 588                          IWL_MVM_BT_COEX_MPLUT);
 589         pos += scnprintf(buf + pos, bufsz - pos, "corunning = %d\n",
 590                          IWL_MVM_BT_COEX_CORUNNING);
 591
 592         mutex_unlock(&mvm->mutex);
 593
 594         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 595         kfree(buf);
 596
 597         return ret;
 598 }
 599 #undef BT_MBOX_PRINT
 600
 601 static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
 602                                      size_t count, loff_t *ppos)
 603 {
 604         struct iwl_mvm *mvm = file->private_data;
 605         char buf[256];
 606         int bufsz = sizeof(buf);
 607         int pos = 0;
 608
 609         mutex_lock(&mvm->mutex);
 610
 611         if (!fw_has_api(&mvm->fw->ucode_capa,
 612                         IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
 613                 struct iwl_bt_coex_ci_cmd_old *cmd = &mvm->last_bt_ci_cmd_old;
 614
 615                 pos += scnprintf(buf+pos, bufsz-pos,
 616                                  "Channel inhibition CMD\n");
 617                 pos += scnprintf(buf+pos, bufsz-pos,
 618                                "\tPrimary Channel Bitmap 0x%016llx\n",
 619                                le64_to_cpu(cmd->bt_primary_ci));
 620                 pos += scnprintf(buf+pos, bufsz-pos,
 621                                "\tSecondary Channel Bitmap 0x%016llx\n",
 622                                le64_to_cpu(cmd->bt_secondary_ci));
 623
 624                 pos += scnprintf(buf+pos, bufsz-pos,
 625                                  "BT Configuration CMD - 0=default, 1=never, 2=always\n");
 626                 pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill msk idx %d\n",
 627                                  mvm->bt_ack_kill_msk[0]);
 628                 pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill msk idx %d\n",
 629                                  mvm->bt_cts_kill_msk[0]);
 630
 631         } else {
 632                 struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
 633
 634                 pos += scnprintf(buf+pos, bufsz-pos,
 635                                  "Channel inhibition CMD\n");
 636                 pos += scnprintf(buf+pos, bufsz-pos,
 637                                "\tPrimary Channel Bitmap 0x%016llx\n",
 638                                le64_to_cpu(cmd->bt_primary_ci));
 639                 pos += scnprintf(buf+pos, bufsz-pos,
 640                                "\tSecondary Channel Bitmap 0x%016llx\n",
 641                                le64_to_cpu(cmd->bt_secondary_ci));
 642         }
 643
 644         mutex_unlock(&mvm->mutex);
 645
 646         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 647 }
 648
 649 static ssize_t
 650 iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
 651                            size_t count, loff_t *ppos)
 652 {
 653         u32 bt_tx_prio;
 654
 655         if (sscanf(buf, "%u", &bt_tx_prio) != 1)
 656                 return -EINVAL;
 657         if (bt_tx_prio > 4)
 658                 return -EINVAL;
 659
 660         mvm->bt_tx_prio = bt_tx_prio;
 661
 662         return count;
 663 }
 664
 665 static ssize_t
 666 iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
 667                              size_t count, loff_t *ppos)
 668 {
 669         static const char * const modes_str[BT_FORCE_ANT_MAX] = {
 670                 [BT_FORCE_ANT_DIS] = "dis",
 671                 [BT_FORCE_ANT_AUTO] = "auto",
 672                 [BT_FORCE_ANT_BT] = "bt",
 673                 [BT_FORCE_ANT_WIFI] = "wifi",
 674         };
 675         int ret, bt_force_ant_mode;
 676
 677         for (bt_force_ant_mode = 0;
 678              bt_force_ant_mode < ARRAY_SIZE(modes_str);
 679              bt_force_ant_mode++) {
 680                 if (!strcmp(buf, modes_str[bt_force_ant_mode]))
 681                         break;
 682         }
 683
 684         if (bt_force_ant_mode >= ARRAY_SIZE(modes_str))
 685                 return -EINVAL;
 686
 687         ret = 0;
 688         mutex_lock(&mvm->mutex);
 689         if (mvm->bt_force_ant_mode == bt_force_ant_mode)
 690                 goto out;
 691
 692         mvm->bt_force_ant_mode = bt_force_ant_mode;
 693         IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
 694                        modes_str[mvm->bt_force_ant_mode]);
 695         ret = iwl_send_bt_init_conf(mvm);
 696
 697 out:
 698         mutex_unlock(&mvm->mutex);
 699         return ret ?: count;
 700 }
 701
 702 #define PRINT_STATS_LE32(_struct, _memb)                                \
 703                          pos += scnprintf(buf + pos, bufsz - pos,       \
 704                                           fmt_table, #_memb,            \
 705                                           le32_to_cpu(_struct->_memb))
 706
 707 static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
 708                                           char __user *user_buf, size_t count,
 709                                           loff_t *ppos)
 710 {
 711         struct iwl_mvm *mvm = file->private_data;
 712         static const char *fmt_table = "\t%-30s %10u\n";
 713         static const char *fmt_header = "%-32s\n";
 714         int pos = 0;
 715         char *buf;
 716         int ret;
 717         /* 43 is the size of each data line, 33 is the size of each header */
 718         size_t bufsz =
 719                 ((sizeof(struct mvm_statistics_rx) / sizeof(__le32)) * 43) +
 720                 (4 * 33) + 1;
 721
 722         struct mvm_statistics_rx_phy *ofdm;
 723         struct mvm_statistics_rx_phy *cck;
 724         struct mvm_statistics_rx_non_phy *general;
 725         struct mvm_statistics_rx_ht_phy *ht;
 726
 727         buf = kzalloc(bufsz, GFP_KERNEL);
 728         if (!buf)
 729                 return -ENOMEM;
 730
 731         mutex_lock(&mvm->mutex);
 732
 733         ofdm = &mvm->rx_stats.ofdm;
 734         cck = &mvm->rx_stats.cck;
 735         general = &mvm->rx_stats.general;
 736         ht = &mvm->rx_stats.ofdm_ht;
 737
 738         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 739                          "Statistics_Rx - OFDM");
 740         PRINT_STATS_LE32(ofdm, ina_cnt);
 741         PRINT_STATS_LE32(ofdm, fina_cnt);
 742         PRINT_STATS_LE32(ofdm, plcp_err);
 743         PRINT_STATS_LE32(ofdm, crc32_err);
 744         PRINT_STATS_LE32(ofdm, overrun_err);
 745         PRINT_STATS_LE32(ofdm, early_overrun_err);
 746         PRINT_STATS_LE32(ofdm, crc32_good);
 747         PRINT_STATS_LE32(ofdm, false_alarm_cnt);
 748         PRINT_STATS_LE32(ofdm, fina_sync_err_cnt);
 749         PRINT_STATS_LE32(ofdm, sfd_timeout);
 750         PRINT_STATS_LE32(ofdm, fina_timeout);
 751         PRINT_STATS_LE32(ofdm, unresponded_rts);
 752         PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
 753         PRINT_STATS_LE32(ofdm, sent_ack_cnt);
 754         PRINT_STATS_LE32(ofdm, sent_cts_cnt);
 755         PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
 756         PRINT_STATS_LE32(ofdm, dsp_self_kill);
 757         PRINT_STATS_LE32(ofdm, mh_format_err);
 758         PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum);
 759         PRINT_STATS_LE32(ofdm, reserved);
 760
 761         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 762                          "Statistics_Rx - CCK");
 763         PRINT_STATS_LE32(cck, ina_cnt);
 764         PRINT_STATS_LE32(cck, fina_cnt);
 765         PRINT_STATS_LE32(cck, plcp_err);
 766         PRINT_STATS_LE32(cck, crc32_err);
 767         PRINT_STATS_LE32(cck, overrun_err);
 768         PRINT_STATS_LE32(cck, early_overrun_err);
 769         PRINT_STATS_LE32(cck, crc32_good);
 770         PRINT_STATS_LE32(cck, false_alarm_cnt);
 771         PRINT_STATS_LE32(cck, fina_sync_err_cnt);
 772         PRINT_STATS_LE32(cck, sfd_timeout);
 773         PRINT_STATS_LE32(cck, fina_timeout);
 774         PRINT_STATS_LE32(cck, unresponded_rts);
 775         PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
 776         PRINT_STATS_LE32(cck, sent_ack_cnt);
 777         PRINT_STATS_LE32(cck, sent_cts_cnt);
 778         PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
 779         PRINT_STATS_LE32(cck, dsp_self_kill);
 780         PRINT_STATS_LE32(cck, mh_format_err);
 781         PRINT_STATS_LE32(cck, re_acq_main_rssi_sum);
 782         PRINT_STATS_LE32(cck, reserved);
 783
 784         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 785                          "Statistics_Rx - GENERAL");
 786         PRINT_STATS_LE32(general, bogus_cts);
 787         PRINT_STATS_LE32(general, bogus_ack);
 788         PRINT_STATS_LE32(general, non_bssid_frames);
 789         PRINT_STATS_LE32(general, filtered_frames);
 790         PRINT_STATS_LE32(general, non_channel_beacons);
 791         PRINT_STATS_LE32(general, channel_beacons);
 792         PRINT_STATS_LE32(general, num_missed_bcon);
 793         PRINT_STATS_LE32(general, adc_rx_saturation_time);
 794         PRINT_STATS_LE32(general, ina_detection_search_time);
 795         PRINT_STATS_LE32(general, beacon_silence_rssi_a);
 796         PRINT_STATS_LE32(general, beacon_silence_rssi_b);
 797         PRINT_STATS_LE32(general, beacon_silence_rssi_c);
 798         PRINT_STATS_LE32(general, interference_data_flag);
 799         PRINT_STATS_LE32(general, channel_load);
 800         PRINT_STATS_LE32(general, dsp_false_alarms);
 801         PRINT_STATS_LE32(general, beacon_rssi_a);
 802         PRINT_STATS_LE32(general, beacon_rssi_b);
 803         PRINT_STATS_LE32(general, beacon_rssi_c);
 804         PRINT_STATS_LE32(general, beacon_energy_a);
 805         PRINT_STATS_LE32(general, beacon_energy_b);
 806         PRINT_STATS_LE32(general, beacon_energy_c);
 807         PRINT_STATS_LE32(general, num_bt_kills);
 808         PRINT_STATS_LE32(general, mac_id);
 809         PRINT_STATS_LE32(general, directed_data_mpdu);
 810
 811         pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 812                          "Statistics_Rx - HT");
 813         PRINT_STATS_LE32(ht, plcp_err);
 814         PRINT_STATS_LE32(ht, overrun_err);
 815         PRINT_STATS_LE32(ht, early_overrun_err);
 816         PRINT_STATS_LE32(ht, crc32_good);
 817         PRINT_STATS_LE32(ht, crc32_err);
 818         PRINT_STATS_LE32(ht, mh_format_err);
 819         PRINT_STATS_LE32(ht, agg_crc32_good);
 820         PRINT_STATS_LE32(ht, agg_mpdu_cnt);
 821         PRINT_STATS_LE32(ht, agg_cnt);
 822         PRINT_STATS_LE32(ht, unsupport_mcs);
 823
 824         mutex_unlock(&mvm->mutex);
 825
 826         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 827         kfree(buf);
 828
 829         return ret;
 830 }
 831 #undef PRINT_STAT_LE32
 832
 833 static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
 834                                           char __user *user_buf, size_t count,
 835                                           loff_t *ppos,
 836                                           struct iwl_mvm_frame_stats *stats)
 837 {
 838         char *buff, *pos, *endpos;
 839         int idx, i;
 840         int ret;
 841         static const size_t bufsz = 1024;
 842
 843         buff = kmalloc(bufsz, GFP_KERNEL);
 844         if (!buff)
 845                 return -ENOMEM;
 846
 847         spin_lock_bh(&mvm->drv_stats_lock);
 848
 849         pos = buff;
 850         endpos = pos + bufsz;
 851
 852         pos += scnprintf(pos, endpos - pos,
 853                          "Legacy/HT/VHT\t:\t%d/%d/%d\n",
 854                          stats->legacy_frames,
 855                          stats->ht_frames,
 856                          stats->vht_frames);
 857         pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
 858                          stats->bw_20_frames,
 859                          stats->bw_40_frames,
 860                          stats->bw_80_frames);
 861         pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
 862                          stats->ngi_frames,
 863                          stats->sgi_frames);
 864         pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
 865                          stats->siso_frames,
 866                          stats->mimo2_frames);
 867         pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
 868                          stats->fail_frames,
 869                          stats->success_frames);
 870         pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
 871                          stats->agg_frames);
 872         pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
 873                          stats->ampdu_count);
 874         pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
 875                          stats->ampdu_count > 0 ?
 876                          (stats->agg_frames / stats->ampdu_count) : 0);
 877
 878         pos += scnprintf(pos, endpos - pos, "Last Rates\n");
 879
 880         idx = stats->last_frame_idx - 1;
 881         for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
 882                 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
 883                 if (stats->last_rates[idx] == 0)
 884                         continue;
 885                 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
 886                                  (int)(ARRAY_SIZE(stats->last_rates) - i));
 887                 pos += rs_pretty_print_rate(pos, stats->last_rates[idx]);
 888         }
 889         spin_unlock_bh(&mvm->drv_stats_lock);
 890
 891         ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
 892         kfree(buff);
 893
 894         return ret;
 895 }
 896
 897 static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
 898                                            char __user *user_buf, size_t count,
 899                                            loff_t *ppos)
 900 {
 901         struct iwl_mvm *mvm = file->private_data;
 902
 903         return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
 904                                           &mvm->drv_rx_stats);
 905 }
 906
 907 static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
 908                                           size_t count, loff_t *ppos)
 909 {
 910         int ret;
 911
 912         mutex_lock(&mvm->mutex);
 913
 914         /* allow one more restart that we're provoking here */
 915         if (mvm->restart_fw >= 0)
 916                 mvm->restart_fw++;
 917
 918         /* take the return value to make compiler happy - it will fail anyway */
 919         ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, 0, 0, NULL);
 920
 921         mutex_unlock(&mvm->mutex);
 922
 923         return count;
 924 }
 925
 926 static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
 927                                       size_t count, loff_t *ppos)
 928 {
 929         int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI);
 930         if (ret)
 931                 return ret;
 932
 933         iwl_force_nmi(mvm->trans);
 934
 935         iwl_mvm_unref(mvm, IWL_MVM_REF_NMI);
 936
 937         return count;
 938 }
 939
 940 static ssize_t
 941 iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
 942                                 char __user *user_buf,
 943                                 size_t count, loff_t *ppos)
 944 {
 945         struct iwl_mvm *mvm = file->private_data;
 946         int pos = 0;
 947         char buf[32];
 948         const size_t bufsz = sizeof(buf);
 949
 950         /* print which antennas were set for the scan command by the user */
 951         pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
 952         if (mvm->scan_rx_ant & ANT_A)
 953                 pos += scnprintf(buf + pos, bufsz - pos, "A");
 954         if (mvm->scan_rx_ant & ANT_B)
 955                 pos += scnprintf(buf + pos, bufsz - pos, "B");
 956         if (mvm->scan_rx_ant & ANT_C)
 957                 pos += scnprintf(buf + pos, bufsz - pos, "C");
 958         pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant);
 959
 960         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 961 }
 962
 963 static ssize_t
 964 iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
 965                                  size_t count, loff_t *ppos)
 966 {
 967         u8 scan_rx_ant;
 968
 969         if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
 970                 return -EINVAL;
 971         if (scan_rx_ant > ANT_ABC)
 972                 return -EINVAL;
 973         if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
 974                 return -EINVAL;
 975
 976         if (mvm->scan_rx_ant != scan_rx_ant) {
 977                 mvm->scan_rx_ant = scan_rx_ant;
 978                 if (fw_has_capa(&mvm->fw->ucode_capa,
 979                                 IWL_UCODE_TLV_CAPA_UMAC_SCAN))
 980                         iwl_mvm_config_scan(mvm);
 981         }
 982
 983         return count;
 984 }
 985
 986 static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm,
 987                                                char *buf, size_t count,
 988                                                loff_t *ppos)
 989 {
 990         struct iwl_rss_config_cmd cmd = {
 991                 .flags = cpu_to_le32(IWL_RSS_ENABLE),
 992                 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
 993                              IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
 994                              IWL_RSS_HASH_TYPE_IPV6_TCP |
 995                              IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
 996         };
 997         int ret, i, num_repeats, nbytes = count / 2;
 998
 999         ret = hex2bin(cmd.indirection_table, buf, nbytes);
1000         if (ret)
1001                 return ret;
1002
1003         /*
1004          * The input is the redirection table, partial or full.
1005          * Repeat the pattern if needed.
1006          * For example, input of 01020F will be repeated 42 times,
1007          * indirecting RSS hash results to queues 1, 2, 15 (skipping
1008          * queues 3 - 14).
1009          */
1010         num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes;
1011         for (i = 1; i < num_repeats; i++)
1012                 memcpy(&cmd.indirection_table[i * nbytes],
1013                        cmd.indirection_table, nbytes);
1014         /* handle cut in the middle pattern for the last places */
1015         memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table,
1016                ARRAY_SIZE(cmd.indirection_table) % nbytes);
1017
1018         memcpy(cmd.secret_key, mvm->secret_key, sizeof(cmd.secret_key));
1019
1020         mutex_lock(&mvm->mutex);
1021         ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
1022         mutex_unlock(&mvm->mutex);
1023
1024         return ret ?: count;
1025 }
1026
1027 static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
1028                                           char __user *user_buf,
1029                                           size_t count, loff_t *ppos)
1030 {
1031         struct iwl_mvm *mvm = file->private_data;
1032         int conf;
1033         char buf[8];
1034         const size_t bufsz = sizeof(buf);
1035         int pos = 0;
1036
1037         mutex_lock(&mvm->mutex);
1038         conf = mvm->fw_dbg_conf;
1039         mutex_unlock(&mvm->mutex);
1040
1041         pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
1042
1043         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1044 }
1045
1046 /*
1047  * Enable / Disable continuous recording.
1048  * Cause the FW to start continuous recording, by sending the relevant hcmd.
1049  * Enable: input of every integer larger than 0, ENABLE_CONT_RECORDING.
1050  * Disable: for 0 as input, DISABLE_CONT_RECORDING.
1051  */
1052 static ssize_t iwl_dbgfs_cont_recording_write(struct iwl_mvm *mvm,
1053                                               char *buf, size_t count,
1054                                               loff_t *ppos)
1055 {
1056         struct iwl_trans *trans = mvm->trans;
1057         const struct iwl_fw_dbg_dest_tlv *dest = trans->dbg_dest_tlv;
1058         struct iwl_continuous_record_cmd cont_rec = {};
1059         int ret, rec_mode;
1060
1061         if (!dest)
1062                 return -EOPNOTSUPP;
1063
1064         if (dest->monitor_mode != SMEM_MODE ||
1065             trans->cfg->device_family != IWL_DEVICE_FAMILY_8000)
1066                 return -EOPNOTSUPP;
1067
1068         ret = kstrtoint(buf, 0, &rec_mode);
1069         if (ret)
1070                 return ret;
1071
1072         cont_rec.record_mode.enable_recording = rec_mode ?
1073                 cpu_to_le16(ENABLE_CONT_RECORDING) :
1074                 cpu_to_le16(DISABLE_CONT_RECORDING);
1075
1076         mutex_lock(&mvm->mutex);
1077         ret = iwl_mvm_send_cmd_pdu(mvm, LDBG_CONFIG_CMD, 0,
1078                                    sizeof(cont_rec), &cont_rec);
1079         mutex_unlock(&mvm->mutex);
1080
1081         return ret ?: count;
1082 }
1083
1084 static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
1085                                            char *buf, size_t count,
1086                                            loff_t *ppos)
1087 {
1088         unsigned int conf_id;
1089         int ret;
1090
1091         ret = kstrtouint(buf, 0, &conf_id);
1092         if (ret)
1093                 return ret;
1094
1095         if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
1096                 return -EINVAL;
1097
1098         mutex_lock(&mvm->mutex);
1099         ret = iwl_mvm_start_fw_dbg_conf(mvm, conf_id);
1100         mutex_unlock(&mvm->mutex);
1101
1102         return ret ?: count;
1103 }
1104
1105 static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
1106                                               char *buf, size_t count,
1107                                               loff_t *ppos)
1108 {
1109         int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
1110
1111         if (ret)
1112                 return ret;
1113
1114         iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, buf,
1115                                (count - 1), NULL);
1116
1117         iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
1118
1119         return count;
1120 }
1121
1122 static ssize_t iwl_dbgfs_max_amsdu_len_write(struct iwl_mvm *mvm,
1123                                              char *buf, size_t count,
1124                                              loff_t *ppos)
1125 {
1126         unsigned int max_amsdu_len;
1127         int ret;
1128
1129         ret = kstrtouint(buf, 0, &max_amsdu_len);
1130
1131         if (max_amsdu_len > IEEE80211_MAX_MPDU_LEN_VHT_11454)
1132                 return -EINVAL;
1133         mvm->max_amsdu_len = max_amsdu_len;
1134
1135         return count;
1136 }
1137
1138 #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__)
1139 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1140 static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file,
1141                                             char __user *user_buf,
1142                                             size_t count, loff_t *ppos)
1143 {
1144         struct iwl_mvm *mvm = file->private_data;
1145         struct iwl_bcast_filter_cmd cmd;
1146         const struct iwl_fw_bcast_filter *filter;
1147         char *buf;
1148         int bufsz = 1024;
1149         int i, j, pos = 0;
1150         ssize_t ret;
1151
1152         buf = kzalloc(bufsz, GFP_KERNEL);
1153         if (!buf)
1154                 return -ENOMEM;
1155
1156         mutex_lock(&mvm->mutex);
1157         if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1158                 ADD_TEXT("None\n");
1159                 mutex_unlock(&mvm->mutex);
1160                 goto out;
1161         }
1162         mutex_unlock(&mvm->mutex);
1163
1164         for (i = 0; cmd.filters[i].attrs[0].mask; i++) {
1165                 filter = &cmd.filters[i];
1166
1167                 ADD_TEXT("Filter [%d]:\n", i);
1168                 ADD_TEXT("\tDiscard=%d\n", filter->discard);
1169                 ADD_TEXT("\tFrame Type: %s\n",
1170                          filter->frame_type ? "IPv4" : "Generic");
1171
1172                 for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) {
1173                         const struct iwl_fw_bcast_filter_attr *attr;
1174
1175                         attr = &filter->attrs[j];
1176                         if (!attr->mask)
1177                                 break;
1178
1179                         ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n",
1180                                  j, attr->offset,
1181                                  attr->offset_type ? "IP End" :
1182                                                      "Payload Start",
1183                                  be32_to_cpu(attr->mask),
1184                                  be32_to_cpu(attr->val),
1185                                  le16_to_cpu(attr->reserved1));
1186                 }
1187         }
1188 out:
1189         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1190         kfree(buf);
1191         return ret;
1192 }
1193
1194 static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf,
1195                                              size_t count, loff_t *ppos)
1196 {
1197         int pos, next_pos;
1198         struct iwl_fw_bcast_filter filter = {};
1199         struct iwl_bcast_filter_cmd cmd;
1200         u32 filter_id, attr_id, mask, value;
1201         int err = 0;
1202
1203         if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard,
1204                    &filter.frame_type, &pos) != 3)
1205                 return -EINVAL;
1206
1207         if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) ||
1208             filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4)
1209                 return -EINVAL;
1210
1211         for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs);
1212              attr_id++) {
1213                 struct iwl_fw_bcast_filter_attr *attr =
1214                                 &filter.attrs[attr_id];
1215
1216                 if (pos >= count)
1217                         break;
1218
1219                 if (sscanf(&buf[pos], "%hhi %hhi %i %i %n",
1220                            &attr->offset, &attr->offset_type,
1221                            &mask, &value, &next_pos) != 4)
1222                         return -EINVAL;
1223
1224                 attr->mask = cpu_to_be32(mask);
1225                 attr->val = cpu_to_be32(value);
1226                 if (mask)
1227                         filter.num_attrs++;
1228
1229                 pos += next_pos;
1230         }
1231
1232         mutex_lock(&mvm->mutex);
1233         memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id],
1234                &filter, sizeof(filter));
1235
1236         /* send updated bcast filtering configuration */
1237         if (mvm->dbgfs_bcast_filtering.override &&
1238             iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1239                 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1240                                            sizeof(cmd), &cmd);
1241         mutex_unlock(&mvm->mutex);
1242
1243         return err ?: count;
1244 }
1245
1246 static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file,
1247                                                  char __user *user_buf,
1248                                                  size_t count, loff_t *ppos)
1249 {
1250         struct iwl_mvm *mvm = file->private_data;
1251         struct iwl_bcast_filter_cmd cmd;
1252         char *buf;
1253         int bufsz = 1024;
1254         int i, pos = 0;
1255         ssize_t ret;
1256
1257         buf = kzalloc(bufsz, GFP_KERNEL);
1258         if (!buf)
1259                 return -ENOMEM;
1260
1261         mutex_lock(&mvm->mutex);
1262         if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) {
1263                 ADD_TEXT("None\n");
1264                 mutex_unlock(&mvm->mutex);
1265                 goto out;
1266         }
1267         mutex_unlock(&mvm->mutex);
1268
1269         for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) {
1270                 const struct iwl_fw_bcast_mac *mac = &cmd.macs[i];
1271
1272                 ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n",
1273                          i, mac->default_discard, mac->attached_filters);
1274         }
1275 out:
1276         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1277         kfree(buf);
1278         return ret;
1279 }
1280
1281 static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm,
1282                                                   char *buf, size_t count,
1283                                                   loff_t *ppos)
1284 {
1285         struct iwl_bcast_filter_cmd cmd;
1286         struct iwl_fw_bcast_mac mac = {};
1287         u32 mac_id, attached_filters;
1288         int err = 0;
1289
1290         if (!mvm->bcast_filters)
1291                 return -ENOENT;
1292
1293         if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard,
1294                    &attached_filters) != 3)
1295                 return -EINVAL;
1296
1297         if (mac_id >= ARRAY_SIZE(cmd.macs) ||
1298             mac.default_discard > 1 ||
1299             attached_filters >= BIT(ARRAY_SIZE(cmd.filters)))
1300                 return -EINVAL;
1301
1302         mac.attached_filters = cpu_to_le16(attached_filters);
1303
1304         mutex_lock(&mvm->mutex);
1305         memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id],
1306                &mac, sizeof(mac));
1307
1308         /* send updated bcast filtering configuration */
1309         if (mvm->dbgfs_bcast_filtering.override &&
1310             iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1311                 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1312                                            sizeof(cmd), &cmd);
1313         mutex_unlock(&mvm->mutex);
1314
1315         return err ?: count;
1316 }
1317 #endif
1318
1319 #ifdef CONFIG_PM_SLEEP
1320 static ssize_t iwl_dbgfs_d3_sram_write(struct iwl_mvm *mvm, char *buf,
1321                                        size_t count, loff_t *ppos)
1322 {
1323         int store;
1324
1325         if (sscanf(buf, "%d", &store) != 1)
1326                 return -EINVAL;
1327
1328         mvm->store_d3_resume_sram = store;
1329
1330         return count;
1331 }
1332
1333 static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf,
1334                                       size_t count, loff_t *ppos)
1335 {
1336         struct iwl_mvm *mvm = file->private_data;
1337         const struct fw_img *img;
1338         int ofs, len, pos = 0;
1339         size_t bufsz, ret;
1340         char *buf;
1341         u8 *ptr = mvm->d3_resume_sram;
1342
1343         img = &mvm->fw->img[IWL_UCODE_WOWLAN];
1344         len = img->sec[IWL_UCODE_SECTION_DATA].len;
1345
1346         bufsz = len * 4 + 256;
1347         buf = kzalloc(bufsz, GFP_KERNEL);
1348         if (!buf)
1349                 return -ENOMEM;
1350
1351         pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n",
1352                          mvm->store_d3_resume_sram ? "en" : "dis");
1353
1354         if (ptr) {
1355                 for (ofs = 0; ofs < len; ofs += 16) {
1356                         pos += scnprintf(buf + pos, bufsz - pos,
1357                                          "0x%.4x %16ph\n", ofs, ptr + ofs);
1358                 }
1359         } else {
1360                 pos += scnprintf(buf + pos, bufsz - pos,
1361                                  "(no data captured)\n");
1362         }
1363
1364         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1365
1366         kfree(buf);
1367
1368         return ret;
1369 }
1370 #endif
1371
1372 #define PRINT_MVM_REF(ref) do {                                         \
1373         if (mvm->refs[ref])                                             \
1374                 pos += scnprintf(buf + pos, bufsz - pos,                \
1375                                  "\t(0x%lx): %d %s\n",                  \
1376                                  BIT(ref), mvm->refs[ref], #ref);       \
1377 } while (0)
1378
1379 static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file,
1380                                         char __user *user_buf,
1381                                         size_t count, loff_t *ppos)
1382 {
1383         struct iwl_mvm *mvm = file->private_data;
1384         int i, pos = 0;
1385         char buf[256];
1386         const size_t bufsz = sizeof(buf);
1387         u32 refs = 0;
1388
1389         for (i = 0; i < IWL_MVM_REF_COUNT; i++)
1390                 if (mvm->refs[i])
1391                         refs |= BIT(i);
1392
1393         pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n",
1394                          refs);
1395
1396         PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN);
1397         PRINT_MVM_REF(IWL_MVM_REF_SCAN);
1398         PRINT_MVM_REF(IWL_MVM_REF_ROC);
1399         PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX);
1400         PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT);
1401         PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS);
1402         PRINT_MVM_REF(IWL_MVM_REF_USER);
1403         PRINT_MVM_REF(IWL_MVM_REF_TX);
1404         PRINT_MVM_REF(IWL_MVM_REF_TX_AGG);
1405         PRINT_MVM_REF(IWL_MVM_REF_ADD_IF);
1406         PRINT_MVM_REF(IWL_MVM_REF_START_AP);
1407         PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED);
1408         PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX);
1409         PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS);
1410         PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL);
1411         PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ);
1412         PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE);
1413         PRINT_MVM_REF(IWL_MVM_REF_NMI);
1414         PRINT_MVM_REF(IWL_MVM_REF_TM_CMD);
1415         PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK);
1416         PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA);
1417         PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT);
1418         PRINT_MVM_REF(IWL_MVM_REF_INIT_UCODE);
1419
1420         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1421 }
1422
1423 static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf,
1424                                          size_t count, loff_t *ppos)
1425 {
1426         unsigned long value;
1427         int ret;
1428         bool taken;
1429
1430         ret = kstrtoul(buf, 10, &value);
1431         if (ret < 0)
1432                 return ret;
1433
1434         mutex_lock(&mvm->mutex);
1435
1436         taken = mvm->refs[IWL_MVM_REF_USER];
1437         if (value == 1 && !taken)
1438                 iwl_mvm_ref(mvm, IWL_MVM_REF_USER);
1439         else if (value == 0 && taken)
1440                 iwl_mvm_unref(mvm, IWL_MVM_REF_USER);
1441         else
1442                 ret = -EINVAL;
1443
1444         mutex_unlock(&mvm->mutex);
1445
1446         if (ret < 0)
1447                 return ret;
1448         return count;
1449 }
1450
1451 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
1452         _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1453 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
1454         _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
1455 #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do {      \
1456                 if (!debugfs_create_file(alias, mode, parent, mvm,      \
1457                                          &iwl_dbgfs_##name##_ops))      \
1458                         goto err;                                       \
1459         } while (0)
1460 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
1461         MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
1462
1463 static ssize_t
1464 iwl_dbgfs_prph_reg_read(struct file *file,
1465                         char __user *user_buf,
1466                         size_t count, loff_t *ppos)
1467 {
1468         struct iwl_mvm *mvm = file->private_data;
1469         int pos = 0;
1470         char buf[32];
1471         const size_t bufsz = sizeof(buf);
1472         int ret;
1473
1474         if (!mvm->dbgfs_prph_reg_addr)
1475                 return -EINVAL;
1476
1477         ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ);
1478         if (ret)
1479                 return ret;
1480
1481         pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
1482                 mvm->dbgfs_prph_reg_addr,
1483                 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
1484
1485         iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ);
1486
1487         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1488 }
1489
1490 static ssize_t
1491 iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
1492                          size_t count, loff_t *ppos)
1493 {
1494         u8 args;
1495         u32 value;
1496         int ret;
1497
1498         args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
1499         /* if we only want to set the reg address - nothing more to do */
1500         if (args == 1)
1501                 goto out;
1502
1503         /* otherwise, make sure we have both address and value */
1504         if (args != 2)
1505                 return -EINVAL;
1506
1507         ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
1508         if (ret)
1509                 return ret;
1510
1511         iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
1512
1513         iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
1514 out:
1515         return count;
1516 }
1517
1518 static ssize_t
1519 iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
1520                               size_t count, loff_t *ppos)
1521 {
1522         int ret;
1523
1524         mutex_lock(&mvm->mutex);
1525         ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
1526         mutex_unlock(&mvm->mutex);
1527
1528         return ret ?: count;
1529 }
1530
1531 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
1532
1533 /* Device wide debugfs entries */
1534 MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget);
1535 MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8);
1536 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
1537 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
1538 MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
1539 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
1540 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
1541 MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
1542 MVM_DEBUGFS_READ_FILE_OPS(stations);
1543 MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
1544 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
1545 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
1546 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
1547 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
1548 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
1549 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
1550 MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
1551 MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
1552 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
1553 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8);
1554 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
1555 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64);
1556 MVM_DEBUGFS_WRITE_FILE_OPS(cont_recording, 8);
1557 MVM_DEBUGFS_WRITE_FILE_OPS(max_amsdu_len, 8);
1558 MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
1559                            (IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
1560
1561 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1562 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256);
1563 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256);
1564 #endif
1565
1566 #ifdef CONFIG_PM_SLEEP
1567 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8);
1568 #endif
1569
1570 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
1571 {
1572         struct dentry *bcast_dir __maybe_unused;
1573         char buf[100];
1574
1575         spin_lock_init(&mvm->drv_stats_lock);
1576
1577         mvm->debugfs_dir = dbgfs_dir;
1578
1579         MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR);
1580         MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR);
1581         MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
1582         MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir,
1583                              S_IWUSR | S_IRUSR);
1584         MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, S_IRUSR);
1585         MVM_DEBUGFS_ADD_FILE(ctdp_budget, dbgfs_dir, S_IRUSR);
1586         MVM_DEBUGFS_ADD_FILE(stop_ctdp, dbgfs_dir, S_IWUSR);
1587         MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR);
1588         MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR);
1589         MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, S_IRUSR);
1590         MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir,
1591                              S_IRUSR | S_IWUSR);
1592         MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, S_IRUSR);
1593         MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, S_IRUSR);
1594         MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR);
1595         MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR);
1596         MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, S_IWUSR);
1597         MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, S_IWUSR);
1598         MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir,
1599                              S_IWUSR | S_IRUSR);
1600         MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
1601         MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1602         MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1603         MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, S_IWUSR);
1604         MVM_DEBUGFS_ADD_FILE(max_amsdu_len, mvm->debugfs_dir, S_IWUSR);
1605         MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, S_IWUSR);
1606         MVM_DEBUGFS_ADD_FILE(cont_recording, mvm->debugfs_dir, S_IWUSR);
1607         MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, S_IWUSR);
1608         if (!debugfs_create_bool("enable_scan_iteration_notif",
1609                                  S_IRUSR | S_IWUSR,
1610                                  mvm->debugfs_dir,
1611                                  &mvm->scan_iter_notif_enabled))
1612                 goto err;
1613         if (!debugfs_create_bool("drop_bcn_ap_mode", S_IRUSR | S_IWUSR,
1614                                  mvm->debugfs_dir, &mvm->drop_bcn_ap_mode))
1615                 goto err;
1616
1617 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1618         if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) {
1619                 bcast_dir = debugfs_create_dir("bcast_filtering",
1620                                                mvm->debugfs_dir);
1621                 if (!bcast_dir)
1622                         goto err;
1623
1624                 if (!debugfs_create_bool("override", S_IRUSR | S_IWUSR,
1625                                 bcast_dir,
1626                                 &mvm->dbgfs_bcast_filtering.override))
1627                         goto err;
1628
1629                 MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters,
1630                                            bcast_dir, S_IWUSR | S_IRUSR);
1631                 MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs,
1632                                            bcast_dir, S_IWUSR | S_IRUSR);
1633         }
1634 #endif
1635
1636 #ifdef CONFIG_PM_SLEEP
1637         MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1638         MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR);
1639         if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR,
1640                                  mvm->debugfs_dir, &mvm->d3_wake_sysassert))
1641                 goto err;
1642         if (!debugfs_create_u32("last_netdetect_scans", S_IRUSR,
1643                                 mvm->debugfs_dir, &mvm->last_netdetect_scans))
1644                 goto err;
1645 #endif
1646
1647         if (!debugfs_create_u8("ps_disabled", S_IRUSR,
1648                                mvm->debugfs_dir, &mvm->ps_disabled))
1649                 goto err;
1650         if (!debugfs_create_blob("nvm_hw", S_IRUSR,
1651                                   mvm->debugfs_dir, &mvm->nvm_hw_blob))
1652                 goto err;
1653         if (!debugfs_create_blob("nvm_sw", S_IRUSR,
1654                                   mvm->debugfs_dir, &mvm->nvm_sw_blob))
1655                 goto err;
1656         if (!debugfs_create_blob("nvm_calib", S_IRUSR,
1657                                   mvm->debugfs_dir, &mvm->nvm_calib_blob))
1658                 goto err;
1659         if (!debugfs_create_blob("nvm_prod", S_IRUSR,
1660                                   mvm->debugfs_dir, &mvm->nvm_prod_blob))
1661                 goto err;
1662         if (!debugfs_create_blob("nvm_phy_sku", S_IRUSR,
1663                                  mvm->debugfs_dir, &mvm->nvm_phy_sku_blob))
1664                 goto err;
1665
1666         /*
1667          * Create a symlink with mac80211. It will be removed when mac80211
1668          * exists (before the opmode exists which removes the target.)
1669          */
1670         snprintf(buf, 100, "../../%s/%s",
1671                  dbgfs_dir->d_parent->d_parent->d_name.name,
1672                  dbgfs_dir->d_parent->d_name.name);
1673         if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf))
1674                 goto err;
1675
1676         return 0;
1677 err:
1678         IWL_ERR(mvm, "Can't create the mvm debugfs directory\n");
1679         return -ENOMEM;
1680 }