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iwlwifi: remove disable_tx_power for device > 4965
[linux-2.6-block.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
CommitLineData
712b6cf5
TW		 1/******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
01f8162a 5 * Copyright(c) 2008 - 2009 Intel Corporation. All rights reserved.
712b6cf5
TW		 6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
19 * USA
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
23 *
24 * Contact Information:
759ef89f 25 * Intel Linux Wireless <ilw@linux.intel.com>
712b6cf5
TW		 26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
28
29#include <linux/kernel.h>
30#include <linux/module.h>
31#include <linux/debugfs.h>
32
33#include <linux/ieee80211.h>
34#include <net/mac80211.h>
35
36
3e0d4cb1 37#include "iwl-dev.h"
712b6cf5 38#include "iwl-debug.h"
fee1247a 39#include "iwl-core.h"
3395f6e9 40#include "iwl-io.h"
712b6cf5
TW		 41
42
43/* create and remove of files */
44#define DEBUGFS_ADD_DIR(name, parent) do { \
45 dbgfs->dir_##name = debugfs_create_dir(#name, parent); \
46 if (!(dbgfs->dir_##name)) \
47 goto err; \
48} while (0)
49
50#define DEBUGFS_ADD_FILE(name, parent) do { \
51 dbgfs->dbgfs_##parent##_files.file_##name = \
52 debugfs_create_file(#name, 0644, dbgfs->dir_##parent, priv, \
53 &iwl_dbgfs_##name##_ops); \
54 if (!(dbgfs->dbgfs_##parent##_files.file_##name)) \
55 goto err; \
56} while (0)
57
445c2dff
TW		 58#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
59 dbgfs->dbgfs_##parent##_files.file_##name = \
60 debugfs_create_bool(#name, 0644, dbgfs->dir_##parent, ptr); \
9b24001d
Z		 61 if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \
62 || !dbgfs->dbgfs_##parent##_files.file_##name) \
445c2dff
TW		 63 goto err; \
64} while (0)
65
2ddfa129
WT		 66#define DEBUGFS_ADD_X32(name, parent, ptr) do { \
67 dbgfs->dbgfs_##parent##_files.file_##name = \
68 debugfs_create_x32(#name, 0444, dbgfs->dir_##parent, ptr); \
69 if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \
70 || !dbgfs->dbgfs_##parent##_files.file_##name) \
71 goto err; \
72} while (0)
73
712b6cf5
TW		 74#define DEBUGFS_REMOVE(name) do { \
75 debugfs_remove(name); \
76 name = NULL; \
77} while (0);
78
79/* file operation */
80#define DEBUGFS_READ_FUNC(name) \
81static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
82 char __user *user_buf, \
83 size_t count, loff_t *ppos);
84
85#define DEBUGFS_WRITE_FUNC(name) \
86static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
87 const char __user *user_buf, \
88 size_t count, loff_t *ppos);
89
90
91static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
92{
93 file->private_data = inode->i_private;
94 return 0;
95}
96
97#define DEBUGFS_READ_FILE_OPS(name) \
98 DEBUGFS_READ_FUNC(name); \
99static const struct file_operations iwl_dbgfs_##name##_ops = { \
100 .read = iwl_dbgfs_##name##_read, \
101 .open = iwl_dbgfs_open_file_generic, \
102};
103
189a2b59
EK		 104#define DEBUGFS_WRITE_FILE_OPS(name) \
105 DEBUGFS_WRITE_FUNC(name); \
106static const struct file_operations iwl_dbgfs_##name##_ops = { \
107 .write = iwl_dbgfs_##name##_write, \
108 .open = iwl_dbgfs_open_file_generic, \
109};
110
111
712b6cf5
TW		 112#define DEBUGFS_READ_WRITE_FILE_OPS(name) \
113 DEBUGFS_READ_FUNC(name); \
114 DEBUGFS_WRITE_FUNC(name); \
115static const struct file_operations iwl_dbgfs_##name##_ops = { \
116 .write = iwl_dbgfs_##name##_write, \
117 .read = iwl_dbgfs_##name##_read, \
118 .open = iwl_dbgfs_open_file_generic, \
119};
120
121
122static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
123 char __user *user_buf,
124 size_t count, loff_t *ppos) {
125
126 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
127 char buf[256];
128 int pos = 0;
db0589f3 129 const size_t bufsz = sizeof(buf);
712b6cf5 130
db0589f3
AK		 131 pos += scnprintf(buf + pos, bufsz - pos, "mgmt: %u\n",
132 priv->tx_stats[0].cnt);
133 pos += scnprintf(buf + pos, bufsz - pos, "ctrl: %u\n",
134 priv->tx_stats[1].cnt);
135 pos += scnprintf(buf + pos, bufsz - pos, "data: %u\n",
136 priv->tx_stats[2].cnt);
712b6cf5
TW		 137
138 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
139}
140
141static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
142 char __user *user_buf,
143 size_t count, loff_t *ppos) {
144
145 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
146 char buf[256];
147 int pos = 0;
db0589f3 148 const size_t bufsz = sizeof(buf);
712b6cf5 149
db0589f3
AK		 150 pos += scnprintf(buf + pos, bufsz - pos, "mgmt: %u\n",
151 priv->rx_stats[0].cnt);
152 pos += scnprintf(buf + pos, bufsz - pos, "ctrl: %u\n",
153 priv->rx_stats[1].cnt);
154 pos += scnprintf(buf + pos, bufsz - pos, "data: %u\n",
155 priv->rx_stats[2].cnt);
712b6cf5
TW		 156
157 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
158}
159
160#define BYTE1_MASK 0x000000ff;
161#define BYTE2_MASK 0x0000ffff;
162#define BYTE3_MASK 0x00ffffff;
163static ssize_t iwl_dbgfs_sram_read(struct file *file,
164 char __user *user_buf,
165 size_t count, loff_t *ppos)
166{
167 u32 val;
168 char buf[1024];
169 ssize_t ret;
170 int i;
171 int pos = 0;
172 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
db0589f3 173 const size_t bufsz = sizeof(buf);
712b6cf5 174
712b6cf5 175 for (i = priv->dbgfs->sram_len; i > 0; i -= 4) {
3395f6e9 176 val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \
712b6cf5
TW		 177 priv->dbgfs->sram_len - i);
178 if (i < 4) {
179 switch (i) {
180 case 1:
181 val &= BYTE1_MASK;
182 break;
183 case 2:
184 val &= BYTE2_MASK;
185 break;
186 case 3:
187 val &= BYTE3_MASK;
188 break;
189 }
190 }
db0589f3 191 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
712b6cf5 192 }
db0589f3 193 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5
TW		 194
195 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
196 return ret;
197}
198
199static ssize_t iwl_dbgfs_sram_write(struct file *file,
200 const char __user *user_buf,
201 size_t count, loff_t *ppos)
202{
203 struct iwl_priv *priv = file->private_data;
204 char buf[64];
205 int buf_size;
206 u32 offset, len;
207
208 memset(buf, 0, sizeof(buf));
209 buf_size = min(count, sizeof(buf) - 1);
210 if (copy_from_user(buf, user_buf, buf_size))
211 return -EFAULT;
212
213 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
214 priv->dbgfs->sram_offset = offset;
215 priv->dbgfs->sram_len = len;
216 } else {
217 priv->dbgfs->sram_offset = 0;
218 priv->dbgfs->sram_len = 0;
219 }
220
221 return count;
222}
223
224static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
225 size_t count, loff_t *ppos)
226{
227 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
6def9761 228 struct iwl_station_entry *station;
5425e490 229 int max_sta = priv->hw_params.max_stations;
712b6cf5
TW		 230 char *buf;
231 int i, j, pos = 0;
232 ssize_t ret;
233 /* Add 30 for initial string */
234 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
712b6cf5
TW		 235
236 buf = kmalloc(bufsz, GFP_KERNEL);
3ac7f146 237 if (!buf)
712b6cf5
TW		 238 return -ENOMEM;
239
db0589f3 240 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
712b6cf5
TW		 241 priv->num_stations);
242
243 for (i = 0; i < max_sta; i++) {
244 station = &priv->stations[i];
245 if (station->used) {
db0589f3
AK		 246 pos += scnprintf(buf + pos, bufsz - pos,
247 "station %d:\ngeneral data:\n", i+1);
db0589f3 248 pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n",
712b6cf5 249 station->sta.sta.sta_id);
db0589f3 250 pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n",
712b6cf5 251 station->sta.mode);
db0589f3
AK		 252 pos += scnprintf(buf + pos, bufsz - pos,
253 "flags: 0x%x\n",
712b6cf5 254 station->sta.station_flags_msk);
db0589f3
AK		 255 pos += scnprintf(buf + pos, bufsz - pos,
256 "ps_status: %u\n", station->ps_status);
257 pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n");
258 pos += scnprintf(buf + pos, bufsz - pos,
344234de 259 "seq_num\t\ttxq_id");
db0589f3 260 pos += scnprintf(buf + pos, bufsz - pos,
344234de 261 "\tframe_count\twait_for_ba\t");
db0589f3
AK		 262 pos += scnprintf(buf + pos, bufsz - pos,
263 "start_idx\tbitmap0\t");
264 pos += scnprintf(buf + pos, bufsz - pos,
344234de 265 "bitmap1\trate_n_flags");
344234de 266 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5
TW		 267
268 for (j = 0; j < MAX_TID_COUNT; j++) {
db0589f3 269 pos += scnprintf(buf + pos, bufsz - pos,
344234de 270 "[%d]:\t\t%u", j,
db0589f3
AK		 271 station->tid[j].seq_number);
272 pos += scnprintf(buf + pos, bufsz - pos,
344234de 273 "\t%u\t\t%u\t\t%u\t\t",
712b6cf5
TW		 274 station->tid[j].agg.txq_id,
275 station->tid[j].agg.frame_count,
276 station->tid[j].agg.wait_for_ba);
db0589f3 277 pos += scnprintf(buf + pos, bufsz - pos,
344234de 278 "%u\t%llu\t%u",
712b6cf5 279 station->tid[j].agg.start_idx,
16788599 280 (unsigned long long)station->tid[j].agg.bitmap,
712b6cf5 281 station->tid[j].agg.rate_n_flags);
344234de 282 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5 283 }
db0589f3 284 pos += scnprintf(buf + pos, bufsz - pos, "\n");
712b6cf5
TW		 285 }
286 }
287
288 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
289 kfree(buf);
290 return ret;
291}
292
0848e297 293static ssize_t iwl_dbgfs_nvm_read(struct file *file,
8dd266ef
TW		 294 char __user *user_buf,
295 size_t count,
296 loff_t *ppos)
297{
298 ssize_t ret;
299 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
300 int pos = 0, ofs = 0, buf_size = 0;
301 const u8 *ptr;
302 char *buf;
303 size_t eeprom_len = priv->cfg->eeprom_size;
304 buf_size = 4 * eeprom_len + 256;
305
306 if (eeprom_len % 16) {
0848e297 307 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
8dd266ef
TW		 308 return -ENODATA;
309 }
310
311 /* 4 characters for byte 0xYY */
312 buf = kzalloc(buf_size, GFP_KERNEL);
313 if (!buf) {
15b1687c 314 IWL_ERR(priv, "Can not allocate Buffer\n");
8dd266ef
TW		 315 return -ENOMEM;
316 }
317
318 ptr = priv->eeprom;
0848e297
WYG		 319 if (!ptr) {
320 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
321 return -ENOMEM;
322 }
323 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s\n",
324 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
325 ? "OTP" : "EEPROM");
8dd266ef
TW		 326 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
327 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
328 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
329 buf_size - pos, 0);
330 pos += strlen(buf);
331 if (buf_size - pos > 0)
332 buf[pos++] = '\n';
333 }
334
335 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
336 kfree(buf);
337 return ret;
338}
712b6cf5 339
189a2b59
EK		 340static ssize_t iwl_dbgfs_log_event_write(struct file *file,
341 const char __user *user_buf,
342 size_t count, loff_t *ppos)
343{
344 struct iwl_priv *priv = file->private_data;
345 u32 event_log_flag;
346 char buf[8];
347 int buf_size;
348
349 memset(buf, 0, sizeof(buf));
350 buf_size = min(count, sizeof(buf) - 1);
351 if (copy_from_user(buf, user_buf, buf_size))
352 return -EFAULT;
353 if (sscanf(buf, "%d", &event_log_flag) != 1)
354 return -EFAULT;
355 if (event_log_flag == 1)
356 iwl_dump_nic_event_log(priv);
357
358 return count;
359}
360
d366df5a
WT		 361
362
363static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
364 size_t count, loff_t *ppos)
365{
366 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
367 struct ieee80211_channel *channels = NULL;
368 const struct ieee80211_supported_band *supp_band = NULL;
369 int pos = 0, i, bufsz = PAGE_SIZE;
370 char *buf;
371 ssize_t ret;
372
373 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
374 return -EAGAIN;
375
376 buf = kzalloc(bufsz, GFP_KERNEL);
377 if (!buf) {
15b1687c 378 IWL_ERR(priv, "Can not allocate Buffer\n");
d366df5a
WT		 379 return -ENOMEM;
380 }
381
382 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
a2e2322d
WYG		 383 if (supp_band) {
384 channels = supp_band->channels;
d366df5a 385
d366df5a 386 pos += scnprintf(buf + pos, bufsz - pos,
a2e2322d
WYG		 387 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
388 supp_band->n_channels);
d366df5a 389
a2e2322d
WYG		 390 for (i = 0; i < supp_band->n_channels; i++)
391 pos += scnprintf(buf + pos, bufsz - pos,
392 "%d: %ddBm: BSS%s%s, %s.\n",
393 ieee80211_frequency_to_channel(
394 channels[i].center_freq),
395 channels[i].max_power,
396 channels[i].flags & IEEE80211_CHAN_RADAR ?
397 " (IEEE 802.11h required)" : "",
398 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
399 || (channels[i].flags &
400 IEEE80211_CHAN_RADAR)) ? "" :
401 ", IBSS",
402 channels[i].flags &
403 IEEE80211_CHAN_PASSIVE_SCAN ?
404 "passive only" : "active/passive");
405 }
d366df5a 406 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
a2e2322d
WYG		 407 if (supp_band) {
408 channels = supp_band->channels;
d366df5a 409
d366df5a 410 pos += scnprintf(buf + pos, bufsz - pos,
a2e2322d
WYG		 411 "Displaying %d channels in 5.2GHz band (802.11a)\n",
412 supp_band->n_channels);
413
414 for (i = 0; i < supp_band->n_channels; i++)
415 pos += scnprintf(buf + pos, bufsz - pos,
416 "%d: %ddBm: BSS%s%s, %s.\n",
417 ieee80211_frequency_to_channel(
418 channels[i].center_freq),
419 channels[i].max_power,
420 channels[i].flags & IEEE80211_CHAN_RADAR ?
421 " (IEEE 802.11h required)" : "",
422 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
423 || (channels[i].flags &
424 IEEE80211_CHAN_RADAR)) ? "" :
425 ", IBSS",
426 channels[i].flags &
427 IEEE80211_CHAN_PASSIVE_SCAN ?
428 "passive only" : "active/passive");
429 }
d366df5a
WT		 430 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
431 kfree(buf);
432 return ret;
433}
434
08df05aa
WYG		 435static ssize_t iwl_dbgfs_status_read(struct file *file,
436 char __user *user_buf,
437 size_t count, loff_t *ppos) {
438
439 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
440 char buf[512];
441 int pos = 0;
442 const size_t bufsz = sizeof(buf);
443
444 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
445 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
446 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n",
447 test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status));
448 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
449 test_bit(STATUS_INT_ENABLED, &priv->status));
450 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
451 test_bit(STATUS_RF_KILL_HW, &priv->status));
08df05aa
WYG		 452 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
453 test_bit(STATUS_INIT, &priv->status));
454 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
455 test_bit(STATUS_ALIVE, &priv->status));
456 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
457 test_bit(STATUS_READY, &priv->status));
458 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
459 test_bit(STATUS_TEMPERATURE, &priv->status));
460 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
461 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
462 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
463 test_bit(STATUS_EXIT_PENDING, &priv->status));
08df05aa
WYG		 464 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
465 test_bit(STATUS_STATISTICS, &priv->status));
466 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
467 test_bit(STATUS_SCANNING, &priv->status));
468 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
469 test_bit(STATUS_SCAN_ABORTING, &priv->status));
470 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
471 test_bit(STATUS_SCAN_HW, &priv->status));
472 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
473 test_bit(STATUS_POWER_PMI, &priv->status));
474 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
475 test_bit(STATUS_FW_ERROR, &priv->status));
476 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
477 test_bit(STATUS_MODE_PENDING, &priv->status));
478 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
479}
480
a83b9141
WYG		 481static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
482 char __user *user_buf,
483 size_t count, loff_t *ppos) {
484
485 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
486 int pos = 0;
487 int cnt = 0;
488 char *buf;
489 int bufsz = 24 * 64; /* 24 items * 64 char per item */
490 ssize_t ret;
491
492 buf = kzalloc(bufsz, GFP_KERNEL);
493 if (!buf) {
494 IWL_ERR(priv, "Can not allocate Buffer\n");
495 return -ENOMEM;
496 }
497
498 pos += scnprintf(buf + pos, bufsz - pos,
499 "Interrupt Statistics Report:\n");
500
501 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
502 priv->isr_stats.hw);
503 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
504 priv->isr_stats.sw);
505 if (priv->isr_stats.sw > 0) {
506 pos += scnprintf(buf + pos, bufsz - pos,
507 "\tLast Restarting Code: 0x%X\n",
508 priv->isr_stats.sw_err);
509 }
510#ifdef CONFIG_IWLWIFI_DEBUG
511 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
512 priv->isr_stats.sch);
513 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
514 priv->isr_stats.alive);
515#endif
516 pos += scnprintf(buf + pos, bufsz - pos,
517 "HW RF KILL switch toggled:\t %u\n",
518 priv->isr_stats.rfkill);
519
520 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
521 priv->isr_stats.ctkill);
522
523 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
524 priv->isr_stats.wakeup);
525
526 pos += scnprintf(buf + pos, bufsz - pos,
527 "Rx command responses:\t\t %u\n",
528 priv->isr_stats.rx);
529 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
530 if (priv->isr_stats.rx_handlers[cnt] > 0)
531 pos += scnprintf(buf + pos, bufsz - pos,
532 "\tRx handler[%36s]:\t\t %u\n",
533 get_cmd_string(cnt),
534 priv->isr_stats.rx_handlers[cnt]);
535 }
536
537 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
538 priv->isr_stats.tx);
539
540 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
541 priv->isr_stats.unhandled);
542
543 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
544 kfree(buf);
545 return ret;
546}
547
548static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
549 const char __user *user_buf,
550 size_t count, loff_t *ppos)
551{
552 struct iwl_priv *priv = file->private_data;
553 char buf[8];
554 int buf_size;
555 u32 reset_flag;
556
557 memset(buf, 0, sizeof(buf));
558 buf_size = min(count, sizeof(buf) - 1);
559 if (copy_from_user(buf, user_buf, buf_size))
560 return -EFAULT;
561 if (sscanf(buf, "%x", &reset_flag) != 1)
562 return -EFAULT;
563 if (reset_flag == 0)
564 iwl_clear_isr_stats(priv);
565
566 return count;
567}
568
569
712b6cf5 570DEBUGFS_READ_WRITE_FILE_OPS(sram);
189a2b59 571DEBUGFS_WRITE_FILE_OPS(log_event);
0848e297 572DEBUGFS_READ_FILE_OPS(nvm);
712b6cf5
TW		 573DEBUGFS_READ_FILE_OPS(stations);
574DEBUGFS_READ_FILE_OPS(rx_statistics);
575DEBUGFS_READ_FILE_OPS(tx_statistics);
d366df5a 576DEBUGFS_READ_FILE_OPS(channels);
08df05aa 577DEBUGFS_READ_FILE_OPS(status);
a83b9141 578DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
712b6cf5
TW		 579
580/*
581 * Create the debugfs files and directories
582 *
583 */
584int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
585{
586 struct iwl_debugfs *dbgfs;
95b1a822 587 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
3ac7f146 588 int ret = 0;
712b6cf5
TW		 589
590 dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL);
591 if (!dbgfs) {
3ac7f146 592 ret = -ENOMEM;
712b6cf5
TW		 593 goto err;
594 }
595
596 priv->dbgfs = dbgfs;
597 dbgfs->name = name;
95b1a822 598 dbgfs->dir_drv = debugfs_create_dir(name, phyd);
3ac7f146
TW		 599 if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) {
600 ret = -ENOENT;
712b6cf5
TW		 601 goto err;
602 }
603
604 DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
445c2dff 605 DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
0848e297 606 DEBUGFS_ADD_FILE(nvm, data);
712b6cf5 607 DEBUGFS_ADD_FILE(sram, data);
189a2b59 608 DEBUGFS_ADD_FILE(log_event, data);
712b6cf5
TW		 609 DEBUGFS_ADD_FILE(stations, data);
610 DEBUGFS_ADD_FILE(rx_statistics, data);
611 DEBUGFS_ADD_FILE(tx_statistics, data);
d366df5a 612 DEBUGFS_ADD_FILE(channels, data);
08df05aa 613 DEBUGFS_ADD_FILE(status, data);
a83b9141 614 DEBUGFS_ADD_FILE(interrupt, data);
445c2dff
TW		 615 DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
616 DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
617 &priv->disable_chain_noise_cal);
030b8655
WYG		 618 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
619 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
620 DEBUGFS_ADD_BOOL(disable_tx_power, rf,
621 &priv->disable_tx_power_cal);
712b6cf5
TW		 622 return 0;
623
624err:
15b1687c 625 IWL_ERR(priv, "Can't open the debugfs directory\n");
712b6cf5 626 iwl_dbgfs_unregister(priv);
3ac7f146 627 return ret;
712b6cf5
TW		 628}
629EXPORT_SYMBOL(iwl_dbgfs_register);
630
631/**
632 * Remove the debugfs files and directories
633 *
634 */
635void iwl_dbgfs_unregister(struct iwl_priv *priv)
636{
3ac7f146 637 if (!priv->dbgfs)
712b6cf5
TW		 638 return;
639
0848e297 640 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm);
712b6cf5
TW		 641 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_rx_statistics);
642 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_tx_statistics);
643 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
189a2b59 644 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
712b6cf5 645 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
d366df5a 646 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
08df05aa 647 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
a83b9141 648 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
712b6cf5 649 DEBUGFS_REMOVE(priv->dbgfs->dir_data);
445c2dff
TW		 650 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
651 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
030b8655
WYG		 652 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
653 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
654 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power);
445c2dff 655 DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
712b6cf5
TW		 656 DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
657 kfree(priv->dbgfs);
658 priv->dbgfs = NULL;
659}
660EXPORT_SYMBOL(iwl_dbgfs_unregister);
661
662
445c2dff 663
Linux 6.x block layer and io_uring tree(s)