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8ca151b5 JB |
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 | * | |
51368bf7 | 8 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. |
c779273b | 9 | * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH |
8ca151b5 JB |
10 | * |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of version 2 of the GNU General Public License as | |
13 | * published by the Free Software Foundation. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, but | |
16 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | * General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
23 | * USA | |
24 | * | |
25 | * The full GNU General Public License is included in this distribution | |
410dc5aa | 26 | * in the file called COPYING. |
8ca151b5 JB |
27 | * |
28 | * Contact Information: | |
29 | * Intel Linux Wireless <ilw@linux.intel.com> | |
30 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
31 | * | |
32 | * BSD LICENSE | |
33 | * | |
51368bf7 | 34 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. |
c779273b | 35 | * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH |
8ca151b5 JB |
36 | * All rights reserved. |
37 | * | |
38 | * Redistribution and use in source and binary forms, with or without | |
39 | * modification, are permitted provided that the following conditions | |
40 | * are met: | |
41 | * | |
42 | * * Redistributions of source code must retain the above copyright | |
43 | * notice, this list of conditions and the following disclaimer. | |
44 | * * Redistributions in binary form must reproduce the above copyright | |
45 | * notice, this list of conditions and the following disclaimer in | |
46 | * the documentation and/or other materials provided with the | |
47 | * distribution. | |
48 | * * Neither the name Intel Corporation nor the names of its | |
49 | * contributors may be used to endorse or promote products derived | |
50 | * from this software without specific prior written permission. | |
51 | * | |
52 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
53 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
54 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
55 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
56 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
57 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
58 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
59 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
60 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
61 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
62 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
63 | * | |
64 | *****************************************************************************/ | |
192c80a2 EG |
65 | #include <linux/vmalloc.h> |
66 | ||
8ca151b5 | 67 | #include "mvm.h" |
2f89a5d7 | 68 | #include "fw-dbg.h" |
8ca151b5 JB |
69 | #include "sta.h" |
70 | #include "iwl-io.h" | |
820a1a50 | 71 | #include "debugfs.h" |
4d075007 | 72 | #include "iwl-fw-error-dump.h" |
8ca151b5 | 73 | |
1fa3f57a | 74 | static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf, |
8ca151b5 JB |
75 | size_t count, loff_t *ppos) |
76 | { | |
8a0bd168 | 77 | int ret; |
8ca151b5 JB |
78 | u32 scd_q_msk; |
79 | ||
80 | if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) | |
81 | return -EIO; | |
82 | ||
8ca151b5 JB |
83 | if (sscanf(buf, "%x", &scd_q_msk) != 1) |
84 | return -EINVAL; | |
85 | ||
86 | IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk); | |
87 | ||
88 | mutex_lock(&mvm->mutex); | |
5888a40c | 89 | ret = iwl_mvm_flush_tx_path(mvm, scd_q_msk, 0) ? : count; |
8ca151b5 JB |
90 | mutex_unlock(&mvm->mutex); |
91 | ||
92 | return ret; | |
93 | } | |
94 | ||
1fa3f57a | 95 | static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf, |
8ca151b5 JB |
96 | size_t count, loff_t *ppos) |
97 | { | |
f327b04c | 98 | struct iwl_mvm_sta *mvmsta; |
8a0bd168 | 99 | int sta_id, drain, ret; |
8ca151b5 JB |
100 | |
101 | if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) | |
102 | return -EIO; | |
103 | ||
8ca151b5 JB |
104 | if (sscanf(buf, "%d %d", &sta_id, &drain) != 2) |
105 | return -EINVAL; | |
60765a47 JB |
106 | if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT) |
107 | return -EINVAL; | |
108 | if (drain < 0 || drain > 1) | |
109 | return -EINVAL; | |
8ca151b5 JB |
110 | |
111 | mutex_lock(&mvm->mutex); | |
112 | ||
f327b04c EG |
113 | mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id); |
114 | ||
115 | if (!mvmsta) | |
8ca151b5 JB |
116 | ret = -ENOENT; |
117 | else | |
f327b04c | 118 | ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count; |
8ca151b5 JB |
119 | |
120 | mutex_unlock(&mvm->mutex); | |
121 | ||
122 | return ret; | |
123 | } | |
124 | ||
125 | static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf, | |
126 | size_t count, loff_t *ppos) | |
127 | { | |
128 | struct iwl_mvm *mvm = file->private_data; | |
129 | const struct fw_img *img; | |
d510342f EG |
130 | unsigned int ofs, len; |
131 | size_t ret; | |
8ca151b5 JB |
132 | u8 *ptr; |
133 | ||
60191d99 JB |
134 | if (!mvm->ucode_loaded) |
135 | return -EINVAL; | |
136 | ||
8ca151b5 | 137 | /* default is to dump the entire data segment */ |
d510342f EG |
138 | img = &mvm->fw->img[mvm->cur_ucode]; |
139 | ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; | |
140 | len = img->sec[IWL_UCODE_SECTION_DATA].len; | |
141 | ||
01e0efe3 | 142 | if (mvm->dbgfs_sram_len) { |
60191d99 JB |
143 | ofs = mvm->dbgfs_sram_offset; |
144 | len = mvm->dbgfs_sram_len; | |
8ca151b5 | 145 | } |
8ca151b5 | 146 | |
8ca151b5 | 147 | ptr = kzalloc(len, GFP_KERNEL); |
d510342f | 148 | if (!ptr) |
8ca151b5 | 149 | return -ENOMEM; |
8ca151b5 | 150 | |
60191d99 | 151 | iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len); |
8ca151b5 | 152 | |
d510342f | 153 | ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len); |
8ca151b5 | 154 | |
8ca151b5 JB |
155 | kfree(ptr); |
156 | ||
157 | return ret; | |
158 | } | |
159 | ||
1fa3f57a JB |
160 | static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf, |
161 | size_t count, loff_t *ppos) | |
8ca151b5 | 162 | { |
d510342f | 163 | const struct fw_img *img; |
8ca151b5 | 164 | u32 offset, len; |
d510342f EG |
165 | u32 img_offset, img_len; |
166 | ||
167 | if (!mvm->ucode_loaded) | |
168 | return -EINVAL; | |
169 | ||
170 | img = &mvm->fw->img[mvm->cur_ucode]; | |
171 | img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset; | |
172 | img_len = img->sec[IWL_UCODE_SECTION_DATA].len; | |
8ca151b5 | 173 | |
8ca151b5 JB |
174 | if (sscanf(buf, "%x,%x", &offset, &len) == 2) { |
175 | if ((offset & 0x3) || (len & 0x3)) | |
176 | return -EINVAL; | |
d510342f EG |
177 | |
178 | if (offset + len > img_offset + img_len) | |
179 | return -EINVAL; | |
180 | ||
8ca151b5 JB |
181 | mvm->dbgfs_sram_offset = offset; |
182 | mvm->dbgfs_sram_len = len; | |
183 | } else { | |
184 | mvm->dbgfs_sram_offset = 0; | |
185 | mvm->dbgfs_sram_len = 0; | |
186 | } | |
187 | ||
188 | return count; | |
189 | } | |
190 | ||
7280d1f0 MG |
191 | static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file, |
192 | char __user *user_buf, | |
193 | size_t count, loff_t *ppos) | |
194 | { | |
195 | struct iwl_mvm *mvm = file->private_data; | |
196 | char buf[16]; | |
197 | int pos; | |
198 | ||
199 | if (!mvm->temperature_test) | |
200 | pos = scnprintf(buf , sizeof(buf), "disabled\n"); | |
201 | else | |
202 | pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature); | |
203 | ||
204 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
205 | } | |
206 | ||
207 | /* | |
208 | * Set NIC Temperature | |
209 | * Cause the driver to ignore the actual NIC temperature reported by the FW | |
210 | * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN - | |
211 | * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX | |
212 | * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE | |
213 | */ | |
214 | static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm, | |
215 | char *buf, size_t count, | |
216 | loff_t *ppos) | |
217 | { | |
218 | int temperature; | |
219 | ||
a26d4e7b LC |
220 | if (!mvm->ucode_loaded && !mvm->temperature_test) |
221 | return -EIO; | |
222 | ||
7280d1f0 MG |
223 | if (kstrtoint(buf, 10, &temperature)) |
224 | return -EINVAL; | |
225 | /* not a legal temperature */ | |
226 | if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX && | |
227 | temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) || | |
228 | temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN) | |
229 | return -EINVAL; | |
230 | ||
231 | mutex_lock(&mvm->mutex); | |
232 | if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) { | |
b689fa79 LC |
233 | if (!mvm->temperature_test) |
234 | goto out; | |
235 | ||
7280d1f0 | 236 | mvm->temperature_test = false; |
b689fa79 LC |
237 | /* Since we can't read the temp while awake, just set |
238 | * it to zero until we get the next RX stats from the | |
239 | * firmware. | |
240 | */ | |
241 | mvm->temperature = 0; | |
7280d1f0 MG |
242 | } else { |
243 | mvm->temperature_test = true; | |
244 | mvm->temperature = temperature; | |
245 | } | |
246 | IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n", | |
247 | mvm->temperature_test ? "En" : "Dis" , | |
248 | mvm->temperature); | |
249 | /* handle the temperature change */ | |
250 | iwl_mvm_tt_handler(mvm); | |
b689fa79 LC |
251 | |
252 | out: | |
7280d1f0 MG |
253 | mutex_unlock(&mvm->mutex); |
254 | ||
255 | return count; | |
256 | } | |
257 | ||
c549e390 LC |
258 | static ssize_t iwl_dbgfs_nic_temp_read(struct file *file, |
259 | char __user *user_buf, | |
260 | size_t count, loff_t *ppos) | |
261 | { | |
262 | struct iwl_mvm *mvm = file->private_data; | |
263 | char buf[16]; | |
264 | int pos, temp; | |
265 | ||
266 | if (!mvm->ucode_loaded) | |
267 | return -EIO; | |
268 | ||
269 | mutex_lock(&mvm->mutex); | |
270 | temp = iwl_mvm_get_temp(mvm); | |
271 | mutex_unlock(&mvm->mutex); | |
272 | ||
273 | if (temp < 0) | |
274 | return temp; | |
275 | ||
276 | pos = scnprintf(buf , sizeof(buf), "%d\n", temp); | |
277 | ||
278 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
279 | } | |
280 | ||
8ca151b5 JB |
281 | static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, |
282 | size_t count, loff_t *ppos) | |
283 | { | |
284 | struct iwl_mvm *mvm = file->private_data; | |
285 | struct ieee80211_sta *sta; | |
286 | char buf[400]; | |
287 | int i, pos = 0, bufsz = sizeof(buf); | |
288 | ||
289 | mutex_lock(&mvm->mutex); | |
290 | ||
291 | for (i = 0; i < IWL_MVM_STATION_COUNT; i++) { | |
292 | pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i); | |
293 | sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], | |
294 | lockdep_is_held(&mvm->mutex)); | |
295 | if (!sta) | |
296 | pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); | |
297 | else if (IS_ERR(sta)) | |
298 | pos += scnprintf(buf + pos, bufsz - pos, "%ld\n", | |
299 | PTR_ERR(sta)); | |
300 | else | |
301 | pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", | |
302 | sta->addr); | |
303 | } | |
304 | ||
305 | mutex_unlock(&mvm->mutex); | |
306 | ||
307 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
308 | } | |
309 | ||
64b928c4 AB |
310 | static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file, |
311 | char __user *user_buf, | |
8ca151b5 JB |
312 | size_t count, loff_t *ppos) |
313 | { | |
314 | struct iwl_mvm *mvm = file->private_data; | |
64b928c4 AB |
315 | char buf[64]; |
316 | int bufsz = sizeof(buf); | |
317 | int pos = 0; | |
8ca151b5 | 318 | |
64b928c4 AB |
319 | pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n", |
320 | mvm->disable_power_off); | |
321 | pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n", | |
322 | mvm->disable_power_off_d3); | |
8ca151b5 | 323 | |
64b928c4 | 324 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
8ca151b5 JB |
325 | } |
326 | ||
1fa3f57a | 327 | static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf, |
64b928c4 | 328 | size_t count, loff_t *ppos) |
8ca151b5 | 329 | { |
1fa3f57a | 330 | int ret, val; |
64b928c4 AB |
331 | |
332 | if (!mvm->ucode_loaded) | |
333 | return -EIO; | |
8ca151b5 | 334 | |
64b928c4 AB |
335 | if (!strncmp("disable_power_off_d0=", buf, 21)) { |
336 | if (sscanf(buf + 21, "%d", &val) != 1) | |
337 | return -EINVAL; | |
338 | mvm->disable_power_off = val; | |
339 | } else if (!strncmp("disable_power_off_d3=", buf, 21)) { | |
340 | if (sscanf(buf + 21, "%d", &val) != 1) | |
341 | return -EINVAL; | |
342 | mvm->disable_power_off_d3 = val; | |
343 | } else { | |
8ca151b5 | 344 | return -EINVAL; |
64b928c4 | 345 | } |
8ca151b5 | 346 | |
64b928c4 | 347 | mutex_lock(&mvm->mutex); |
c1cb92fc | 348 | ret = iwl_mvm_power_update_device(mvm); |
64b928c4 | 349 | mutex_unlock(&mvm->mutex); |
8ca151b5 | 350 | |
64b928c4 | 351 | return ret ?: count; |
8ca151b5 JB |
352 | } |
353 | ||
10942342 EG |
354 | #define BT_MBOX_MSG(_notif, _num, _field) \ |
355 | ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\ | |
356 | >> BT_MBOX##_num##_##_field##_POS) | |
357 | ||
358 | ||
359 | #define BT_MBOX_PRINT(_num, _field, _end) \ | |
360 | pos += scnprintf(buf + pos, bufsz - pos, \ | |
361 | "\t%s: %d%s", \ | |
362 | #_field, \ | |
363 | BT_MBOX_MSG(notif, _num, _field), \ | |
364 | true ? "\n" : ", "); | |
365 | ||
160be571 EG |
366 | static |
367 | int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf, | |
368 | int pos, int bufsz) | |
10942342 | 369 | { |
160be571 | 370 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); |
10942342 | 371 | |
160be571 EG |
372 | BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); |
373 | BT_MBOX_PRINT(0, LE_PROF1, false); | |
374 | BT_MBOX_PRINT(0, LE_PROF2, false); | |
375 | BT_MBOX_PRINT(0, LE_PROF_OTHER, false); | |
376 | BT_MBOX_PRINT(0, CHL_SEQ_N, false); | |
377 | BT_MBOX_PRINT(0, INBAND_S, false); | |
378 | BT_MBOX_PRINT(0, LE_MIN_RSSI, false); | |
379 | BT_MBOX_PRINT(0, LE_SCAN, false); | |
380 | BT_MBOX_PRINT(0, LE_ADV, false); | |
381 | BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false); | |
382 | BT_MBOX_PRINT(0, OPEN_CON_1, true); | |
10942342 | 383 | |
160be571 EG |
384 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n"); |
385 | ||
386 | BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false); | |
387 | BT_MBOX_PRINT(1, IP_SR, false); | |
388 | BT_MBOX_PRINT(1, LE_MSTR, false); | |
389 | BT_MBOX_PRINT(1, AGGR_TRFC_LD, false); | |
390 | BT_MBOX_PRINT(1, MSG_TYPE, false); | |
391 | BT_MBOX_PRINT(1, SSN, true); | |
392 | ||
393 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n"); | |
394 | ||
395 | BT_MBOX_PRINT(2, SNIFF_ACT, false); | |
396 | BT_MBOX_PRINT(2, PAG, false); | |
397 | BT_MBOX_PRINT(2, INQUIRY, false); | |
398 | BT_MBOX_PRINT(2, CONN, false); | |
399 | BT_MBOX_PRINT(2, SNIFF_INTERVAL, false); | |
400 | BT_MBOX_PRINT(2, DISC, false); | |
401 | BT_MBOX_PRINT(2, SCO_TX_ACT, false); | |
402 | BT_MBOX_PRINT(2, SCO_RX_ACT, false); | |
403 | BT_MBOX_PRINT(2, ESCO_RE_TX, false); | |
404 | BT_MBOX_PRINT(2, SCO_DURATION, true); | |
10942342 | 405 | |
160be571 EG |
406 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n"); |
407 | ||
408 | BT_MBOX_PRINT(3, SCO_STATE, false); | |
409 | BT_MBOX_PRINT(3, SNIFF_STATE, false); | |
410 | BT_MBOX_PRINT(3, A2DP_STATE, false); | |
411 | BT_MBOX_PRINT(3, ACL_STATE, false); | |
412 | BT_MBOX_PRINT(3, MSTR_STATE, false); | |
413 | BT_MBOX_PRINT(3, OBX_STATE, false); | |
414 | BT_MBOX_PRINT(3, OPEN_CON_2, false); | |
415 | BT_MBOX_PRINT(3, TRAFFIC_LOAD, false); | |
416 | BT_MBOX_PRINT(3, CHL_SEQN_LSB, false); | |
417 | BT_MBOX_PRINT(3, INBAND_P, false); | |
418 | BT_MBOX_PRINT(3, MSG_TYPE_2, false); | |
419 | BT_MBOX_PRINT(3, SSN_2, false); | |
420 | BT_MBOX_PRINT(3, UPDATE_REQUEST, true); | |
421 | ||
422 | return pos; | |
423 | } | |
424 | ||
425 | static | |
426 | int iwl_mvm_coex_dump_mbox_old(struct iwl_bt_coex_profile_notif_old *notif, | |
427 | char *buf, int pos, int bufsz) | |
428 | { | |
10942342 EG |
429 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); |
430 | ||
431 | BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); | |
432 | BT_MBOX_PRINT(0, LE_PROF1, false); | |
433 | BT_MBOX_PRINT(0, LE_PROF2, false); | |
434 | BT_MBOX_PRINT(0, LE_PROF_OTHER, false); | |
435 | BT_MBOX_PRINT(0, CHL_SEQ_N, false); | |
436 | BT_MBOX_PRINT(0, INBAND_S, false); | |
437 | BT_MBOX_PRINT(0, LE_MIN_RSSI, false); | |
438 | BT_MBOX_PRINT(0, LE_SCAN, false); | |
439 | BT_MBOX_PRINT(0, LE_ADV, false); | |
440 | BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false); | |
441 | BT_MBOX_PRINT(0, OPEN_CON_1, true); | |
442 | ||
443 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n"); | |
444 | ||
445 | BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false); | |
446 | BT_MBOX_PRINT(1, IP_SR, false); | |
447 | BT_MBOX_PRINT(1, LE_MSTR, false); | |
448 | BT_MBOX_PRINT(1, AGGR_TRFC_LD, false); | |
449 | BT_MBOX_PRINT(1, MSG_TYPE, false); | |
450 | BT_MBOX_PRINT(1, SSN, true); | |
451 | ||
452 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n"); | |
453 | ||
454 | BT_MBOX_PRINT(2, SNIFF_ACT, false); | |
455 | BT_MBOX_PRINT(2, PAG, false); | |
456 | BT_MBOX_PRINT(2, INQUIRY, false); | |
457 | BT_MBOX_PRINT(2, CONN, false); | |
458 | BT_MBOX_PRINT(2, SNIFF_INTERVAL, false); | |
459 | BT_MBOX_PRINT(2, DISC, false); | |
460 | BT_MBOX_PRINT(2, SCO_TX_ACT, false); | |
461 | BT_MBOX_PRINT(2, SCO_RX_ACT, false); | |
462 | BT_MBOX_PRINT(2, ESCO_RE_TX, false); | |
463 | BT_MBOX_PRINT(2, SCO_DURATION, true); | |
464 | ||
465 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n"); | |
466 | ||
467 | BT_MBOX_PRINT(3, SCO_STATE, false); | |
468 | BT_MBOX_PRINT(3, SNIFF_STATE, false); | |
469 | BT_MBOX_PRINT(3, A2DP_STATE, false); | |
470 | BT_MBOX_PRINT(3, ACL_STATE, false); | |
471 | BT_MBOX_PRINT(3, MSTR_STATE, false); | |
472 | BT_MBOX_PRINT(3, OBX_STATE, false); | |
473 | BT_MBOX_PRINT(3, OPEN_CON_2, false); | |
474 | BT_MBOX_PRINT(3, TRAFFIC_LOAD, false); | |
475 | BT_MBOX_PRINT(3, CHL_SEQN_LSB, false); | |
476 | BT_MBOX_PRINT(3, INBAND_P, false); | |
477 | BT_MBOX_PRINT(3, MSG_TYPE_2, false); | |
478 | BT_MBOX_PRINT(3, SSN_2, false); | |
479 | BT_MBOX_PRINT(3, UPDATE_REQUEST, true); | |
480 | ||
160be571 EG |
481 | return pos; |
482 | } | |
483 | ||
484 | static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf, | |
485 | size_t count, loff_t *ppos) | |
486 | { | |
487 | struct iwl_mvm *mvm = file->private_data; | |
488 | char *buf; | |
489 | int ret, pos = 0, bufsz = sizeof(char) * 1024; | |
490 | ||
491 | buf = kmalloc(bufsz, GFP_KERNEL); | |
492 | if (!buf) | |
493 | return -ENOMEM; | |
494 | ||
495 | mutex_lock(&mvm->mutex); | |
496 | ||
859d914c JB |
497 | if (!fw_has_api(&mvm->fw->ucode_capa, |
498 | IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { | |
160be571 EG |
499 | struct iwl_bt_coex_profile_notif_old *notif = |
500 | &mvm->last_bt_notif_old; | |
501 | ||
502 | pos += iwl_mvm_coex_dump_mbox_old(notif, buf, pos, bufsz); | |
503 | ||
504 | pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n", | |
505 | notif->bt_ci_compliance); | |
506 | pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n", | |
507 | le32_to_cpu(notif->primary_ch_lut)); | |
508 | pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n", | |
509 | le32_to_cpu(notif->secondary_ch_lut)); | |
510 | pos += scnprintf(buf+pos, | |
511 | bufsz-pos, "bt_activity_grading = %d\n", | |
512 | le32_to_cpu(notif->bt_activity_grading)); | |
513 | pos += scnprintf(buf+pos, bufsz-pos, | |
514 | "antenna isolation = %d CORUN LUT index = %d\n", | |
515 | mvm->last_ant_isol, mvm->last_corun_lut); | |
48f0a038 MH |
516 | pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n", |
517 | notif->rrc_enabled); | |
518 | pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n", | |
519 | notif->ttc_enabled); | |
160be571 EG |
520 | } else { |
521 | struct iwl_bt_coex_profile_notif *notif = | |
522 | &mvm->last_bt_notif; | |
523 | ||
524 | pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz); | |
525 | ||
526 | pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n", | |
527 | notif->bt_ci_compliance); | |
528 | pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n", | |
529 | le32_to_cpu(notif->primary_ch_lut)); | |
530 | pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n", | |
531 | le32_to_cpu(notif->secondary_ch_lut)); | |
532 | pos += scnprintf(buf+pos, | |
533 | bufsz-pos, "bt_activity_grading = %d\n", | |
534 | le32_to_cpu(notif->bt_activity_grading)); | |
535 | pos += scnprintf(buf+pos, bufsz-pos, | |
536 | "antenna isolation = %d CORUN LUT index = %d\n", | |
537 | mvm->last_ant_isol, mvm->last_corun_lut); | |
48f0a038 MH |
538 | pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n", |
539 | (notif->ttc_rrc_status >> 4) & 0xF); | |
540 | pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n", | |
541 | notif->ttc_rrc_status & 0xF); | |
160be571 | 542 | } |
10942342 | 543 | |
c725a46b MH |
544 | pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n", |
545 | IWL_MVM_BT_COEX_SYNC2SCO); | |
546 | pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n", | |
547 | IWL_MVM_BT_COEX_MPLUT); | |
548 | pos += scnprintf(buf + pos, bufsz - pos, "corunning = %d\n", | |
549 | IWL_MVM_BT_COEX_CORUNNING); | |
550 | ||
10942342 EG |
551 | mutex_unlock(&mvm->mutex); |
552 | ||
553 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
554 | kfree(buf); | |
555 | ||
556 | return ret; | |
557 | } | |
558 | #undef BT_MBOX_PRINT | |
559 | ||
2de13cae EG |
560 | static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf, |
561 | size_t count, loff_t *ppos) | |
562 | { | |
563 | struct iwl_mvm *mvm = file->private_data; | |
2de13cae EG |
564 | char buf[256]; |
565 | int bufsz = sizeof(buf); | |
566 | int pos = 0; | |
567 | ||
568 | mutex_lock(&mvm->mutex); | |
569 | ||
859d914c JB |
570 | if (!fw_has_api(&mvm->fw->ucode_capa, |
571 | IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { | |
160be571 EG |
572 | struct iwl_bt_coex_ci_cmd_old *cmd = &mvm->last_bt_ci_cmd_old; |
573 | ||
574 | pos += scnprintf(buf+pos, bufsz-pos, | |
575 | "Channel inhibition CMD\n"); | |
576 | pos += scnprintf(buf+pos, bufsz-pos, | |
577 | "\tPrimary Channel Bitmap 0x%016llx\n", | |
578 | le64_to_cpu(cmd->bt_primary_ci)); | |
579 | pos += scnprintf(buf+pos, bufsz-pos, | |
580 | "\tSecondary Channel Bitmap 0x%016llx\n", | |
581 | le64_to_cpu(cmd->bt_secondary_ci)); | |
582 | ||
aee8bf5d EG |
583 | pos += scnprintf(buf+pos, bufsz-pos, |
584 | "BT Configuration CMD - 0=default, 1=never, 2=always\n"); | |
585 | pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill msk idx %d\n", | |
586 | mvm->bt_ack_kill_msk[0]); | |
587 | pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill msk idx %d\n", | |
588 | mvm->bt_cts_kill_msk[0]); | |
160be571 EG |
589 | |
590 | } else { | |
591 | struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd; | |
592 | ||
593 | pos += scnprintf(buf+pos, bufsz-pos, | |
594 | "Channel inhibition CMD\n"); | |
595 | pos += scnprintf(buf+pos, bufsz-pos, | |
596 | "\tPrimary Channel Bitmap 0x%016llx\n", | |
597 | le64_to_cpu(cmd->bt_primary_ci)); | |
598 | pos += scnprintf(buf+pos, bufsz-pos, | |
599 | "\tSecondary Channel Bitmap 0x%016llx\n", | |
600 | le64_to_cpu(cmd->bt_secondary_ci)); | |
160be571 | 601 | } |
2de13cae EG |
602 | |
603 | mutex_unlock(&mvm->mutex); | |
604 | ||
605 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
606 | } | |
607 | ||
cdb00563 EG |
608 | static ssize_t |
609 | iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf, | |
610 | size_t count, loff_t *ppos) | |
611 | { | |
612 | u32 bt_tx_prio; | |
613 | ||
614 | if (sscanf(buf, "%u", &bt_tx_prio) != 1) | |
615 | return -EINVAL; | |
616 | if (bt_tx_prio > 4) | |
617 | return -EINVAL; | |
618 | ||
619 | mvm->bt_tx_prio = bt_tx_prio; | |
620 | ||
621 | return count; | |
622 | } | |
623 | ||
a39979a8 EG |
624 | static ssize_t |
625 | iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf, | |
626 | size_t count, loff_t *ppos) | |
627 | { | |
628 | static const char * const modes_str[BT_FORCE_ANT_MAX] = { | |
629 | [BT_FORCE_ANT_DIS] = "dis", | |
630 | [BT_FORCE_ANT_AUTO] = "auto", | |
631 | [BT_FORCE_ANT_BT] = "bt", | |
632 | [BT_FORCE_ANT_WIFI] = "wifi", | |
633 | }; | |
634 | int ret, bt_force_ant_mode; | |
635 | ||
636 | for (bt_force_ant_mode = 0; | |
637 | bt_force_ant_mode < ARRAY_SIZE(modes_str); | |
638 | bt_force_ant_mode++) { | |
639 | if (!strcmp(buf, modes_str[bt_force_ant_mode])) | |
640 | break; | |
641 | } | |
642 | ||
643 | if (bt_force_ant_mode >= ARRAY_SIZE(modes_str)) | |
644 | return -EINVAL; | |
645 | ||
646 | ret = 0; | |
647 | mutex_lock(&mvm->mutex); | |
648 | if (mvm->bt_force_ant_mode == bt_force_ant_mode) | |
649 | goto out; | |
650 | ||
651 | mvm->bt_force_ant_mode = bt_force_ant_mode; | |
652 | IWL_DEBUG_COEX(mvm, "Force mode: %s\n", | |
653 | modes_str[mvm->bt_force_ant_mode]); | |
654 | ret = iwl_send_bt_init_conf(mvm); | |
655 | ||
656 | out: | |
657 | mutex_unlock(&mvm->mutex); | |
658 | return ret ?: count; | |
659 | } | |
660 | ||
93d17cce | 661 | #define PRINT_STATS_LE32(_struct, _memb) \ |
3848ab66 | 662 | pos += scnprintf(buf + pos, bufsz - pos, \ |
93d17cce JB |
663 | fmt_table, #_memb, \ |
664 | le32_to_cpu(_struct->_memb)) | |
3848ab66 MG |
665 | |
666 | static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file, | |
667 | char __user *user_buf, size_t count, | |
668 | loff_t *ppos) | |
669 | { | |
670 | struct iwl_mvm *mvm = file->private_data; | |
671 | static const char *fmt_table = "\t%-30s %10u\n"; | |
672 | static const char *fmt_header = "%-32s\n"; | |
673 | int pos = 0; | |
674 | char *buf; | |
675 | int ret; | |
3f617281 LC |
676 | /* 43 is the size of each data line, 33 is the size of each header */ |
677 | size_t bufsz = | |
678 | ((sizeof(struct mvm_statistics_rx) / sizeof(__le32)) * 43) + | |
679 | (4 * 33) + 1; | |
680 | ||
3848ab66 MG |
681 | struct mvm_statistics_rx_phy *ofdm; |
682 | struct mvm_statistics_rx_phy *cck; | |
683 | struct mvm_statistics_rx_non_phy *general; | |
684 | struct mvm_statistics_rx_ht_phy *ht; | |
685 | ||
686 | buf = kzalloc(bufsz, GFP_KERNEL); | |
687 | if (!buf) | |
688 | return -ENOMEM; | |
689 | ||
690 | mutex_lock(&mvm->mutex); | |
691 | ||
692 | ofdm = &mvm->rx_stats.ofdm; | |
693 | cck = &mvm->rx_stats.cck; | |
694 | general = &mvm->rx_stats.general; | |
695 | ht = &mvm->rx_stats.ofdm_ht; | |
696 | ||
697 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, | |
698 | "Statistics_Rx - OFDM"); | |
93d17cce JB |
699 | PRINT_STATS_LE32(ofdm, ina_cnt); |
700 | PRINT_STATS_LE32(ofdm, fina_cnt); | |
701 | PRINT_STATS_LE32(ofdm, plcp_err); | |
702 | PRINT_STATS_LE32(ofdm, crc32_err); | |
703 | PRINT_STATS_LE32(ofdm, overrun_err); | |
704 | PRINT_STATS_LE32(ofdm, early_overrun_err); | |
705 | PRINT_STATS_LE32(ofdm, crc32_good); | |
706 | PRINT_STATS_LE32(ofdm, false_alarm_cnt); | |
707 | PRINT_STATS_LE32(ofdm, fina_sync_err_cnt); | |
708 | PRINT_STATS_LE32(ofdm, sfd_timeout); | |
709 | PRINT_STATS_LE32(ofdm, fina_timeout); | |
710 | PRINT_STATS_LE32(ofdm, unresponded_rts); | |
711 | PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun); | |
712 | PRINT_STATS_LE32(ofdm, sent_ack_cnt); | |
713 | PRINT_STATS_LE32(ofdm, sent_cts_cnt); | |
714 | PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt); | |
715 | PRINT_STATS_LE32(ofdm, dsp_self_kill); | |
716 | PRINT_STATS_LE32(ofdm, mh_format_err); | |
717 | PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum); | |
718 | PRINT_STATS_LE32(ofdm, reserved); | |
3848ab66 MG |
719 | |
720 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, | |
721 | "Statistics_Rx - CCK"); | |
93d17cce JB |
722 | PRINT_STATS_LE32(cck, ina_cnt); |
723 | PRINT_STATS_LE32(cck, fina_cnt); | |
724 | PRINT_STATS_LE32(cck, plcp_err); | |
725 | PRINT_STATS_LE32(cck, crc32_err); | |
726 | PRINT_STATS_LE32(cck, overrun_err); | |
727 | PRINT_STATS_LE32(cck, early_overrun_err); | |
728 | PRINT_STATS_LE32(cck, crc32_good); | |
729 | PRINT_STATS_LE32(cck, false_alarm_cnt); | |
730 | PRINT_STATS_LE32(cck, fina_sync_err_cnt); | |
731 | PRINT_STATS_LE32(cck, sfd_timeout); | |
732 | PRINT_STATS_LE32(cck, fina_timeout); | |
733 | PRINT_STATS_LE32(cck, unresponded_rts); | |
734 | PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun); | |
735 | PRINT_STATS_LE32(cck, sent_ack_cnt); | |
736 | PRINT_STATS_LE32(cck, sent_cts_cnt); | |
737 | PRINT_STATS_LE32(cck, sent_ba_rsp_cnt); | |
738 | PRINT_STATS_LE32(cck, dsp_self_kill); | |
739 | PRINT_STATS_LE32(cck, mh_format_err); | |
740 | PRINT_STATS_LE32(cck, re_acq_main_rssi_sum); | |
741 | PRINT_STATS_LE32(cck, reserved); | |
3848ab66 MG |
742 | |
743 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, | |
744 | "Statistics_Rx - GENERAL"); | |
93d17cce JB |
745 | PRINT_STATS_LE32(general, bogus_cts); |
746 | PRINT_STATS_LE32(general, bogus_ack); | |
747 | PRINT_STATS_LE32(general, non_bssid_frames); | |
748 | PRINT_STATS_LE32(general, filtered_frames); | |
749 | PRINT_STATS_LE32(general, non_channel_beacons); | |
750 | PRINT_STATS_LE32(general, channel_beacons); | |
751 | PRINT_STATS_LE32(general, num_missed_bcon); | |
752 | PRINT_STATS_LE32(general, adc_rx_saturation_time); | |
753 | PRINT_STATS_LE32(general, ina_detection_search_time); | |
754 | PRINT_STATS_LE32(general, beacon_silence_rssi_a); | |
755 | PRINT_STATS_LE32(general, beacon_silence_rssi_b); | |
756 | PRINT_STATS_LE32(general, beacon_silence_rssi_c); | |
757 | PRINT_STATS_LE32(general, interference_data_flag); | |
758 | PRINT_STATS_LE32(general, channel_load); | |
759 | PRINT_STATS_LE32(general, dsp_false_alarms); | |
760 | PRINT_STATS_LE32(general, beacon_rssi_a); | |
761 | PRINT_STATS_LE32(general, beacon_rssi_b); | |
762 | PRINT_STATS_LE32(general, beacon_rssi_c); | |
763 | PRINT_STATS_LE32(general, beacon_energy_a); | |
764 | PRINT_STATS_LE32(general, beacon_energy_b); | |
765 | PRINT_STATS_LE32(general, beacon_energy_c); | |
766 | PRINT_STATS_LE32(general, num_bt_kills); | |
767 | PRINT_STATS_LE32(general, mac_id); | |
768 | PRINT_STATS_LE32(general, directed_data_mpdu); | |
3848ab66 MG |
769 | |
770 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, | |
771 | "Statistics_Rx - HT"); | |
93d17cce JB |
772 | PRINT_STATS_LE32(ht, plcp_err); |
773 | PRINT_STATS_LE32(ht, overrun_err); | |
774 | PRINT_STATS_LE32(ht, early_overrun_err); | |
775 | PRINT_STATS_LE32(ht, crc32_good); | |
776 | PRINT_STATS_LE32(ht, crc32_err); | |
777 | PRINT_STATS_LE32(ht, mh_format_err); | |
778 | PRINT_STATS_LE32(ht, agg_crc32_good); | |
779 | PRINT_STATS_LE32(ht, agg_mpdu_cnt); | |
780 | PRINT_STATS_LE32(ht, agg_cnt); | |
781 | PRINT_STATS_LE32(ht, unsupport_mcs); | |
3848ab66 MG |
782 | |
783 | mutex_unlock(&mvm->mutex); | |
784 | ||
785 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
786 | kfree(buf); | |
787 | ||
788 | return ret; | |
789 | } | |
790 | #undef PRINT_STAT_LE32 | |
791 | ||
5fc0f76c ES |
792 | static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm, |
793 | char __user *user_buf, size_t count, | |
794 | loff_t *ppos, | |
795 | struct iwl_mvm_frame_stats *stats) | |
796 | { | |
f754b5ca ES |
797 | char *buff, *pos, *endpos; |
798 | int idx, i; | |
5fc0f76c | 799 | int ret; |
f754b5ca | 800 | static const size_t bufsz = 1024; |
5fc0f76c ES |
801 | |
802 | buff = kmalloc(bufsz, GFP_KERNEL); | |
803 | if (!buff) | |
804 | return -ENOMEM; | |
805 | ||
806 | spin_lock_bh(&mvm->drv_stats_lock); | |
f754b5ca ES |
807 | |
808 | pos = buff; | |
809 | endpos = pos + bufsz; | |
810 | ||
811 | pos += scnprintf(pos, endpos - pos, | |
5fc0f76c ES |
812 | "Legacy/HT/VHT\t:\t%d/%d/%d\n", |
813 | stats->legacy_frames, | |
814 | stats->ht_frames, | |
815 | stats->vht_frames); | |
f754b5ca | 816 | pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n", |
5fc0f76c ES |
817 | stats->bw_20_frames, |
818 | stats->bw_40_frames, | |
819 | stats->bw_80_frames); | |
f754b5ca | 820 | pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n", |
5fc0f76c ES |
821 | stats->ngi_frames, |
822 | stats->sgi_frames); | |
f754b5ca | 823 | pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n", |
5fc0f76c ES |
824 | stats->siso_frames, |
825 | stats->mimo2_frames); | |
f754b5ca | 826 | pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n", |
5fc0f76c ES |
827 | stats->fail_frames, |
828 | stats->success_frames); | |
f754b5ca | 829 | pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n", |
5fc0f76c | 830 | stats->agg_frames); |
f754b5ca | 831 | pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n", |
5fc0f76c | 832 | stats->ampdu_count); |
f754b5ca | 833 | pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n", |
5fc0f76c ES |
834 | stats->ampdu_count > 0 ? |
835 | (stats->agg_frames / stats->ampdu_count) : 0); | |
836 | ||
f754b5ca | 837 | pos += scnprintf(pos, endpos - pos, "Last Rates\n"); |
5fc0f76c ES |
838 | |
839 | idx = stats->last_frame_idx - 1; | |
840 | for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) { | |
841 | idx = (idx + 1) % ARRAY_SIZE(stats->last_rates); | |
842 | if (stats->last_rates[idx] == 0) | |
843 | continue; | |
f754b5ca | 844 | pos += scnprintf(pos, endpos - pos, "Rate[%d]: ", |
5fc0f76c | 845 | (int)(ARRAY_SIZE(stats->last_rates) - i)); |
f754b5ca | 846 | pos += rs_pretty_print_rate(pos, stats->last_rates[idx]); |
5fc0f76c ES |
847 | } |
848 | spin_unlock_bh(&mvm->drv_stats_lock); | |
849 | ||
f754b5ca | 850 | ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); |
5fc0f76c ES |
851 | kfree(buff); |
852 | ||
853 | return ret; | |
854 | } | |
855 | ||
856 | static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file, | |
857 | char __user *user_buf, size_t count, | |
858 | loff_t *ppos) | |
859 | { | |
860 | struct iwl_mvm *mvm = file->private_data; | |
861 | ||
862 | return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos, | |
863 | &mvm->drv_rx_stats); | |
864 | } | |
865 | ||
1fa3f57a | 866 | static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf, |
490953ac EG |
867 | size_t count, loff_t *ppos) |
868 | { | |
490953ac EG |
869 | int ret; |
870 | ||
490953ac EG |
871 | mutex_lock(&mvm->mutex); |
872 | ||
291aa7c4 EH |
873 | /* allow one more restart that we're provoking here */ |
874 | if (mvm->restart_fw >= 0) | |
875 | mvm->restart_fw++; | |
876 | ||
490953ac | 877 | /* take the return value to make compiler happy - it will fail anyway */ |
a1022927 | 878 | ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, 0, 0, NULL); |
490953ac EG |
879 | |
880 | mutex_unlock(&mvm->mutex); | |
881 | ||
490953ac EG |
882 | return count; |
883 | } | |
884 | ||
1fa3f57a | 885 | static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf, |
119663c3 AB |
886 | size_t count, loff_t *ppos) |
887 | { | |
576eeee9 EP |
888 | int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI); |
889 | if (ret) | |
890 | return ret; | |
891 | ||
4c9706dc | 892 | iwl_force_nmi(mvm->trans); |
119663c3 | 893 | |
576eeee9 EP |
894 | iwl_mvm_unref(mvm, IWL_MVM_REF_NMI); |
895 | ||
119663c3 AB |
896 | return count; |
897 | } | |
898 | ||
91b05d10 OG |
899 | static ssize_t |
900 | iwl_dbgfs_scan_ant_rxchain_read(struct file *file, | |
901 | char __user *user_buf, | |
902 | size_t count, loff_t *ppos) | |
903 | { | |
904 | struct iwl_mvm *mvm = file->private_data; | |
905 | int pos = 0; | |
906 | char buf[32]; | |
907 | const size_t bufsz = sizeof(buf); | |
908 | ||
909 | /* print which antennas were set for the scan command by the user */ | |
910 | pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: "); | |
911 | if (mvm->scan_rx_ant & ANT_A) | |
912 | pos += scnprintf(buf + pos, bufsz - pos, "A"); | |
913 | if (mvm->scan_rx_ant & ANT_B) | |
914 | pos += scnprintf(buf + pos, bufsz - pos, "B"); | |
915 | if (mvm->scan_rx_ant & ANT_C) | |
916 | pos += scnprintf(buf + pos, bufsz - pos, "C"); | |
917 | pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant); | |
918 | ||
919 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
920 | } | |
921 | ||
922 | static ssize_t | |
1fa3f57a | 923 | iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf, |
91b05d10 OG |
924 | size_t count, loff_t *ppos) |
925 | { | |
91b05d10 OG |
926 | u8 scan_rx_ant; |
927 | ||
91b05d10 OG |
928 | if (sscanf(buf, "%hhx", &scan_rx_ant) != 1) |
929 | return -EINVAL; | |
930 | if (scan_rx_ant > ANT_ABC) | |
931 | return -EINVAL; | |
a0544272 | 932 | if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm))) |
91b05d10 OG |
933 | return -EINVAL; |
934 | ||
d2496221 DS |
935 | if (mvm->scan_rx_ant != scan_rx_ant) { |
936 | mvm->scan_rx_ant = scan_rx_ant; | |
859d914c JB |
937 | if (fw_has_capa(&mvm->fw->ucode_capa, |
938 | IWL_UCODE_TLV_CAPA_UMAC_SCAN)) | |
d2496221 DS |
939 | iwl_mvm_config_scan(mvm); |
940 | } | |
91b05d10 OG |
941 | |
942 | return count; | |
943 | } | |
944 | ||
8c23f95c EG |
945 | static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file, |
946 | char __user *user_buf, | |
947 | size_t count, loff_t *ppos) | |
948 | { | |
949 | struct iwl_mvm *mvm = file->private_data; | |
d2709ad7 | 950 | int conf; |
8c23f95c EG |
951 | char buf[8]; |
952 | const size_t bufsz = sizeof(buf); | |
953 | int pos = 0; | |
954 | ||
955 | mutex_lock(&mvm->mutex); | |
956 | conf = mvm->fw_dbg_conf; | |
957 | mutex_unlock(&mvm->mutex); | |
958 | ||
959 | pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf); | |
960 | ||
961 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
962 | } | |
963 | ||
321c2104 GBA |
964 | /* |
965 | * Enable / Disable continuous recording. | |
966 | * Cause the FW to start continuous recording, by sending the relevant hcmd. | |
967 | * Enable: input of every integer larger than 0, ENABLE_CONT_RECORDING. | |
968 | * Disable: for 0 as input, DISABLE_CONT_RECORDING. | |
969 | */ | |
970 | static ssize_t iwl_dbgfs_cont_recording_write(struct iwl_mvm *mvm, | |
971 | char *buf, size_t count, | |
972 | loff_t *ppos) | |
973 | { | |
974 | struct iwl_trans *trans = mvm->trans; | |
975 | const struct iwl_fw_dbg_dest_tlv *dest = trans->dbg_dest_tlv; | |
976 | struct iwl_continuous_record_cmd cont_rec = {}; | |
977 | int ret, rec_mode; | |
978 | ||
979 | if (!dest) | |
980 | return -EOPNOTSUPP; | |
981 | ||
982 | if (dest->monitor_mode != SMEM_MODE || | |
983 | trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) | |
984 | return -EOPNOTSUPP; | |
985 | ||
986 | ret = kstrtouint(buf, 0, &rec_mode); | |
987 | if (ret) | |
988 | return ret; | |
989 | ||
990 | cont_rec.record_mode.enable_recording = rec_mode ? | |
991 | cpu_to_le16(ENABLE_CONT_RECORDING) : | |
992 | cpu_to_le16(DISABLE_CONT_RECORDING); | |
993 | ||
994 | mutex_lock(&mvm->mutex); | |
995 | ret = iwl_mvm_send_cmd_pdu(mvm, LDBG_CONFIG_CMD, 0, | |
996 | sizeof(cont_rec), &cont_rec); | |
997 | mutex_unlock(&mvm->mutex); | |
998 | ||
999 | return ret ?: count; | |
1000 | } | |
1001 | ||
8c23f95c EG |
1002 | static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm, |
1003 | char *buf, size_t count, | |
1004 | loff_t *ppos) | |
1005 | { | |
8e8114de DC |
1006 | unsigned int conf_id; |
1007 | int ret; | |
8c23f95c | 1008 | |
8e8114de | 1009 | ret = kstrtouint(buf, 0, &conf_id); |
8c23f95c EG |
1010 | if (ret) |
1011 | return ret; | |
1012 | ||
d2709ad7 | 1013 | if (WARN_ON(conf_id >= FW_DBG_CONF_MAX)) |
8c23f95c EG |
1014 | return -EINVAL; |
1015 | ||
1016 | mutex_lock(&mvm->mutex); | |
1017 | ret = iwl_mvm_start_fw_dbg_conf(mvm, conf_id); | |
1018 | mutex_unlock(&mvm->mutex); | |
1019 | ||
1020 | return ret ?: count; | |
1021 | } | |
1022 | ||
1023 | static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, | |
1024 | char *buf, size_t count, | |
1025 | loff_t *ppos) | |
1026 | { | |
e93475a0 LK |
1027 | int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); |
1028 | ||
1029 | if (ret) | |
1030 | return ret; | |
1031 | ||
36fb9017 | 1032 | iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, NULL, 0, NULL); |
e93475a0 LK |
1033 | |
1034 | iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); | |
8c23f95c EG |
1035 | |
1036 | return count; | |
1037 | } | |
1038 | ||
de06a59e EP |
1039 | #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__) |
1040 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING | |
1041 | static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file, | |
1042 | char __user *user_buf, | |
1043 | size_t count, loff_t *ppos) | |
1044 | { | |
1045 | struct iwl_mvm *mvm = file->private_data; | |
1046 | struct iwl_bcast_filter_cmd cmd; | |
1047 | const struct iwl_fw_bcast_filter *filter; | |
1048 | char *buf; | |
1049 | int bufsz = 1024; | |
1050 | int i, j, pos = 0; | |
1051 | ssize_t ret; | |
1052 | ||
1053 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1054 | if (!buf) | |
1055 | return -ENOMEM; | |
1056 | ||
1057 | mutex_lock(&mvm->mutex); | |
1058 | if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { | |
1059 | ADD_TEXT("None\n"); | |
1060 | mutex_unlock(&mvm->mutex); | |
1061 | goto out; | |
1062 | } | |
1063 | mutex_unlock(&mvm->mutex); | |
1064 | ||
1065 | for (i = 0; cmd.filters[i].attrs[0].mask; i++) { | |
1066 | filter = &cmd.filters[i]; | |
1067 | ||
1068 | ADD_TEXT("Filter [%d]:\n", i); | |
1069 | ADD_TEXT("\tDiscard=%d\n", filter->discard); | |
1070 | ADD_TEXT("\tFrame Type: %s\n", | |
1071 | filter->frame_type ? "IPv4" : "Generic"); | |
1072 | ||
1073 | for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) { | |
1074 | const struct iwl_fw_bcast_filter_attr *attr; | |
1075 | ||
1076 | attr = &filter->attrs[j]; | |
1077 | if (!attr->mask) | |
1078 | break; | |
1079 | ||
1080 | ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n", | |
1081 | j, attr->offset, | |
1082 | attr->offset_type ? "IP End" : | |
1083 | "Payload Start", | |
1084 | be32_to_cpu(attr->mask), | |
1085 | be32_to_cpu(attr->val), | |
1086 | le16_to_cpu(attr->reserved1)); | |
1087 | } | |
1088 | } | |
1089 | out: | |
1090 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1091 | kfree(buf); | |
1092 | return ret; | |
1093 | } | |
1094 | ||
1095 | static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf, | |
1096 | size_t count, loff_t *ppos) | |
1097 | { | |
1098 | int pos, next_pos; | |
1099 | struct iwl_fw_bcast_filter filter = {}; | |
1100 | struct iwl_bcast_filter_cmd cmd; | |
1101 | u32 filter_id, attr_id, mask, value; | |
1102 | int err = 0; | |
1103 | ||
1104 | if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard, | |
1105 | &filter.frame_type, &pos) != 3) | |
1106 | return -EINVAL; | |
1107 | ||
1108 | if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) || | |
1109 | filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4) | |
1110 | return -EINVAL; | |
1111 | ||
1112 | for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs); | |
1113 | attr_id++) { | |
1114 | struct iwl_fw_bcast_filter_attr *attr = | |
1115 | &filter.attrs[attr_id]; | |
1116 | ||
1117 | if (pos >= count) | |
1118 | break; | |
1119 | ||
1120 | if (sscanf(&buf[pos], "%hhi %hhi %i %i %n", | |
1121 | &attr->offset, &attr->offset_type, | |
1122 | &mask, &value, &next_pos) != 4) | |
1123 | return -EINVAL; | |
1124 | ||
1125 | attr->mask = cpu_to_be32(mask); | |
1126 | attr->val = cpu_to_be32(value); | |
1127 | if (mask) | |
1128 | filter.num_attrs++; | |
1129 | ||
1130 | pos += next_pos; | |
1131 | } | |
1132 | ||
1133 | mutex_lock(&mvm->mutex); | |
1134 | memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id], | |
1135 | &filter, sizeof(filter)); | |
1136 | ||
1137 | /* send updated bcast filtering configuration */ | |
1138 | if (mvm->dbgfs_bcast_filtering.override && | |
1139 | iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) | |
a1022927 | 1140 | err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, |
de06a59e EP |
1141 | sizeof(cmd), &cmd); |
1142 | mutex_unlock(&mvm->mutex); | |
1143 | ||
1144 | return err ?: count; | |
1145 | } | |
1146 | ||
1147 | static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file, | |
1148 | char __user *user_buf, | |
1149 | size_t count, loff_t *ppos) | |
1150 | { | |
1151 | struct iwl_mvm *mvm = file->private_data; | |
1152 | struct iwl_bcast_filter_cmd cmd; | |
1153 | char *buf; | |
1154 | int bufsz = 1024; | |
1155 | int i, pos = 0; | |
1156 | ssize_t ret; | |
1157 | ||
1158 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1159 | if (!buf) | |
1160 | return -ENOMEM; | |
1161 | ||
1162 | mutex_lock(&mvm->mutex); | |
1163 | if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { | |
1164 | ADD_TEXT("None\n"); | |
1165 | mutex_unlock(&mvm->mutex); | |
1166 | goto out; | |
1167 | } | |
1168 | mutex_unlock(&mvm->mutex); | |
1169 | ||
1170 | for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) { | |
1171 | const struct iwl_fw_bcast_mac *mac = &cmd.macs[i]; | |
1172 | ||
1173 | ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n", | |
1174 | i, mac->default_discard, mac->attached_filters); | |
1175 | } | |
1176 | out: | |
1177 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1178 | kfree(buf); | |
1179 | return ret; | |
1180 | } | |
1181 | ||
1182 | static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm, | |
1183 | char *buf, size_t count, | |
1184 | loff_t *ppos) | |
1185 | { | |
1186 | struct iwl_bcast_filter_cmd cmd; | |
1187 | struct iwl_fw_bcast_mac mac = {}; | |
1188 | u32 mac_id, attached_filters; | |
1189 | int err = 0; | |
1190 | ||
1191 | if (!mvm->bcast_filters) | |
1192 | return -ENOENT; | |
1193 | ||
1194 | if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard, | |
1195 | &attached_filters) != 3) | |
1196 | return -EINVAL; | |
1197 | ||
1198 | if (mac_id >= ARRAY_SIZE(cmd.macs) || | |
1199 | mac.default_discard > 1 || | |
1200 | attached_filters >= BIT(ARRAY_SIZE(cmd.filters))) | |
1201 | return -EINVAL; | |
1202 | ||
1203 | mac.attached_filters = cpu_to_le16(attached_filters); | |
1204 | ||
1205 | mutex_lock(&mvm->mutex); | |
1206 | memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id], | |
1207 | &mac, sizeof(mac)); | |
1208 | ||
1209 | /* send updated bcast filtering configuration */ | |
1210 | if (mvm->dbgfs_bcast_filtering.override && | |
1211 | iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) | |
a1022927 | 1212 | err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, |
de06a59e EP |
1213 | sizeof(cmd), &cmd); |
1214 | mutex_unlock(&mvm->mutex); | |
1215 | ||
1216 | return err ?: count; | |
1217 | } | |
1218 | #endif | |
1219 | ||
afc66bb7 | 1220 | #ifdef CONFIG_PM_SLEEP |
1fa3f57a | 1221 | static ssize_t iwl_dbgfs_d3_sram_write(struct iwl_mvm *mvm, char *buf, |
afc66bb7 JB |
1222 | size_t count, loff_t *ppos) |
1223 | { | |
afc66bb7 JB |
1224 | int store; |
1225 | ||
afc66bb7 JB |
1226 | if (sscanf(buf, "%d", &store) != 1) |
1227 | return -EINVAL; | |
1228 | ||
1229 | mvm->store_d3_resume_sram = store; | |
1230 | ||
1231 | return count; | |
1232 | } | |
1233 | ||
1234 | static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf, | |
1235 | size_t count, loff_t *ppos) | |
1236 | { | |
1237 | struct iwl_mvm *mvm = file->private_data; | |
1238 | const struct fw_img *img; | |
1239 | int ofs, len, pos = 0; | |
1240 | size_t bufsz, ret; | |
1241 | char *buf; | |
1242 | u8 *ptr = mvm->d3_resume_sram; | |
1243 | ||
1244 | img = &mvm->fw->img[IWL_UCODE_WOWLAN]; | |
1245 | len = img->sec[IWL_UCODE_SECTION_DATA].len; | |
1246 | ||
1247 | bufsz = len * 4 + 256; | |
1248 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1249 | if (!buf) | |
1250 | return -ENOMEM; | |
1251 | ||
1252 | pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n", | |
1253 | mvm->store_d3_resume_sram ? "en" : "dis"); | |
1254 | ||
1255 | if (ptr) { | |
1256 | for (ofs = 0; ofs < len; ofs += 16) { | |
1257 | pos += scnprintf(buf + pos, bufsz - pos, | |
3cd6e2f7 | 1258 | "0x%.4x %16ph\n", ofs, ptr + ofs); |
afc66bb7 JB |
1259 | } |
1260 | } else { | |
1261 | pos += scnprintf(buf + pos, bufsz - pos, | |
1262 | "(no data captured)\n"); | |
1263 | } | |
1264 | ||
1265 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1266 | ||
1267 | kfree(buf); | |
1268 | ||
1269 | return ret; | |
1270 | } | |
1271 | #endif | |
1272 | ||
576eeee9 EP |
1273 | #define PRINT_MVM_REF(ref) do { \ |
1274 | if (mvm->refs[ref]) \ | |
1275 | pos += scnprintf(buf + pos, bufsz - pos, \ | |
1276 | "\t(0x%lx): %d %s\n", \ | |
1277 | BIT(ref), mvm->refs[ref], #ref); \ | |
70d6babb EP |
1278 | } while (0) |
1279 | ||
1280 | static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file, | |
1281 | char __user *user_buf, | |
1282 | size_t count, loff_t *ppos) | |
1283 | { | |
1284 | struct iwl_mvm *mvm = file->private_data; | |
576eeee9 | 1285 | int i, pos = 0; |
70d6babb EP |
1286 | char buf[256]; |
1287 | const size_t bufsz = sizeof(buf); | |
576eeee9 EP |
1288 | u32 refs = 0; |
1289 | ||
1290 | for (i = 0; i < IWL_MVM_REF_COUNT; i++) | |
1291 | if (mvm->refs[i]) | |
1292 | refs |= BIT(i); | |
70d6babb | 1293 | |
576eeee9 EP |
1294 | pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n", |
1295 | refs); | |
70d6babb EP |
1296 | |
1297 | PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN); | |
1298 | PRINT_MVM_REF(IWL_MVM_REF_SCAN); | |
1299 | PRINT_MVM_REF(IWL_MVM_REF_ROC); | |
c779273b | 1300 | PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX); |
70d6babb EP |
1301 | PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT); |
1302 | PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS); | |
0eb83653 | 1303 | PRINT_MVM_REF(IWL_MVM_REF_USER); |
34e611ea JB |
1304 | PRINT_MVM_REF(IWL_MVM_REF_TX); |
1305 | PRINT_MVM_REF(IWL_MVM_REF_TX_AGG); | |
1306 | PRINT_MVM_REF(IWL_MVM_REF_ADD_IF); | |
1307 | PRINT_MVM_REF(IWL_MVM_REF_START_AP); | |
1308 | PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED); | |
1309 | PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX); | |
1310 | PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS); | |
1311 | PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL); | |
1312 | PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ); | |
1313 | PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE); | |
1314 | PRINT_MVM_REF(IWL_MVM_REF_NMI); | |
1315 | PRINT_MVM_REF(IWL_MVM_REF_TM_CMD); | |
d15a747f | 1316 | PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK); |
160acc0e | 1317 | PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA); |
fb2380a2 | 1318 | PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT); |
70d6babb EP |
1319 | |
1320 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1321 | } | |
1322 | ||
0eb83653 EP |
1323 | static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf, |
1324 | size_t count, loff_t *ppos) | |
1325 | { | |
1326 | unsigned long value; | |
1327 | int ret; | |
1328 | bool taken; | |
1329 | ||
1330 | ret = kstrtoul(buf, 10, &value); | |
1331 | if (ret < 0) | |
1332 | return ret; | |
1333 | ||
1334 | mutex_lock(&mvm->mutex); | |
1335 | ||
576eeee9 | 1336 | taken = mvm->refs[IWL_MVM_REF_USER]; |
0eb83653 EP |
1337 | if (value == 1 && !taken) |
1338 | iwl_mvm_ref(mvm, IWL_MVM_REF_USER); | |
1339 | else if (value == 0 && taken) | |
1340 | iwl_mvm_unref(mvm, IWL_MVM_REF_USER); | |
1341 | else | |
1342 | ret = -EINVAL; | |
1343 | ||
1344 | mutex_unlock(&mvm->mutex); | |
1345 | ||
1346 | if (ret < 0) | |
1347 | return ret; | |
1348 | return count; | |
1349 | } | |
1350 | ||
1fa3f57a JB |
1351 | #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \ |
1352 | _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) | |
1353 | #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ | |
1354 | _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) | |
de06a59e EP |
1355 | #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \ |
1356 | if (!debugfs_create_file(alias, mode, parent, mvm, \ | |
8ca151b5 JB |
1357 | &iwl_dbgfs_##name##_ops)) \ |
1358 | goto err; \ | |
1359 | } while (0) | |
de06a59e EP |
1360 | #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \ |
1361 | MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode) | |
8ca151b5 | 1362 | |
f3c221f6 EP |
1363 | static ssize_t |
1364 | iwl_dbgfs_prph_reg_read(struct file *file, | |
1365 | char __user *user_buf, | |
1366 | size_t count, loff_t *ppos) | |
1367 | { | |
1368 | struct iwl_mvm *mvm = file->private_data; | |
1369 | int pos = 0; | |
1370 | char buf[32]; | |
1371 | const size_t bufsz = sizeof(buf); | |
576eeee9 | 1372 | int ret; |
f3c221f6 EP |
1373 | |
1374 | if (!mvm->dbgfs_prph_reg_addr) | |
1375 | return -EINVAL; | |
1376 | ||
576eeee9 EP |
1377 | ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ); |
1378 | if (ret) | |
1379 | return ret; | |
1380 | ||
f3c221f6 EP |
1381 | pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n", |
1382 | mvm->dbgfs_prph_reg_addr, | |
1383 | iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr)); | |
1384 | ||
576eeee9 EP |
1385 | iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ); |
1386 | ||
f3c221f6 EP |
1387 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
1388 | } | |
1389 | ||
1390 | static ssize_t | |
1391 | iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf, | |
1392 | size_t count, loff_t *ppos) | |
1393 | { | |
1394 | u8 args; | |
1395 | u32 value; | |
576eeee9 | 1396 | int ret; |
f3c221f6 EP |
1397 | |
1398 | args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value); | |
1399 | /* if we only want to set the reg address - nothing more to do */ | |
1400 | if (args == 1) | |
1401 | goto out; | |
1402 | ||
1403 | /* otherwise, make sure we have both address and value */ | |
1404 | if (args != 2) | |
1405 | return -EINVAL; | |
1406 | ||
576eeee9 EP |
1407 | ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); |
1408 | if (ret) | |
1409 | return ret; | |
1410 | ||
f3c221f6 | 1411 | iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value); |
576eeee9 EP |
1412 | |
1413 | iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); | |
f3c221f6 EP |
1414 | out: |
1415 | return count; | |
1416 | } | |
1417 | ||
e5046019 EG |
1418 | static ssize_t |
1419 | iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf, | |
1420 | size_t count, loff_t *ppos) | |
1421 | { | |
1422 | int ret; | |
1423 | ||
1424 | mutex_lock(&mvm->mutex); | |
1425 | ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); | |
1426 | mutex_unlock(&mvm->mutex); | |
1427 | ||
1428 | return ret ?: count; | |
1429 | } | |
1430 | ||
f3c221f6 EP |
1431 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64); |
1432 | ||
8ca151b5 | 1433 | /* Device wide debugfs entries */ |
1fa3f57a JB |
1434 | MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16); |
1435 | MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8); | |
e5046019 | 1436 | MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8); |
1fa3f57a | 1437 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64); |
7280d1f0 | 1438 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64); |
c549e390 | 1439 | MVM_DEBUGFS_READ_FILE_OPS(nic_temp); |
8ca151b5 | 1440 | MVM_DEBUGFS_READ_FILE_OPS(stations); |
10942342 | 1441 | MVM_DEBUGFS_READ_FILE_OPS(bt_notif); |
2de13cae | 1442 | MVM_DEBUGFS_READ_FILE_OPS(bt_cmd); |
1fa3f57a | 1443 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64); |
3848ab66 | 1444 | MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats); |
5fc0f76c | 1445 | MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats); |
1fa3f57a JB |
1446 | MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10); |
1447 | MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10); | |
cdb00563 | 1448 | MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10); |
a39979a8 | 1449 | MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10); |
1fa3f57a | 1450 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8); |
0eb83653 | 1451 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8); |
8c23f95c EG |
1452 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8); |
1453 | MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 8); | |
321c2104 | 1454 | MVM_DEBUGFS_WRITE_FILE_OPS(cont_recording, 8); |
91b05d10 | 1455 | |
de06a59e EP |
1456 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING |
1457 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256); | |
1458 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256); | |
1459 | #endif | |
1460 | ||
afc66bb7 | 1461 | #ifdef CONFIG_PM_SLEEP |
1fa3f57a | 1462 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8); |
afc66bb7 | 1463 | #endif |
8ca151b5 JB |
1464 | |
1465 | int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) | |
1466 | { | |
de06a59e | 1467 | struct dentry *bcast_dir __maybe_unused; |
8ca151b5 JB |
1468 | char buf[100]; |
1469 | ||
d07913aa JB |
1470 | spin_lock_init(&mvm->drv_stats_lock); |
1471 | ||
8ca151b5 JB |
1472 | mvm->debugfs_dir = dbgfs_dir; |
1473 | ||
1474 | MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR); | |
1475 | MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR); | |
1476 | MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR); | |
7280d1f0 MG |
1477 | MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, |
1478 | S_IWUSR | S_IRUSR); | |
c549e390 | 1479 | MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, S_IRUSR); |
8ca151b5 | 1480 | MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR); |
10942342 | 1481 | MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR); |
2de13cae | 1482 | MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, S_IRUSR); |
639eabad EG |
1483 | MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, |
1484 | S_IRUSR | S_IWUSR); | |
3848ab66 | 1485 | MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, S_IRUSR); |
5fc0f76c | 1486 | MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, S_IRUSR); |
490953ac | 1487 | MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR); |
119663c3 | 1488 | MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR); |
cdb00563 | 1489 | MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, S_IWUSR); |
a39979a8 | 1490 | MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, S_IWUSR); |
91b05d10 OG |
1491 | MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, |
1492 | S_IWUSR | S_IRUSR); | |
f3c221f6 | 1493 | MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, S_IWUSR | S_IRUSR); |
0eb83653 | 1494 | MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, S_IRUSR | S_IWUSR); |
8c23f95c EG |
1495 | MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, S_IRUSR | S_IWUSR); |
1496 | MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, S_IWUSR); | |
e5046019 | 1497 | MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, S_IWUSR); |
321c2104 | 1498 | MVM_DEBUGFS_ADD_FILE(cont_recording, mvm->debugfs_dir, S_IWUSR); |
cb2513bb LC |
1499 | if (!debugfs_create_bool("enable_scan_iteration_notif", |
1500 | S_IRUSR | S_IWUSR, | |
1501 | mvm->debugfs_dir, | |
1502 | &mvm->scan_iter_notif_enabled)) | |
1503 | goto err; | |
de06a59e EP |
1504 | |
1505 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING | |
1506 | if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) { | |
1507 | bcast_dir = debugfs_create_dir("bcast_filtering", | |
1508 | mvm->debugfs_dir); | |
1509 | if (!bcast_dir) | |
1510 | goto err; | |
1511 | ||
1512 | if (!debugfs_create_bool("override", S_IRUSR | S_IWUSR, | |
1513 | bcast_dir, | |
1514 | &mvm->dbgfs_bcast_filtering.override)) | |
1515 | goto err; | |
1516 | ||
1517 | MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters, | |
1518 | bcast_dir, S_IWUSR | S_IRUSR); | |
1519 | MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs, | |
1520 | bcast_dir, S_IWUSR | S_IRUSR); | |
1521 | } | |
1522 | #endif | |
1523 | ||
afc66bb7 JB |
1524 | #ifdef CONFIG_PM_SLEEP |
1525 | MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR); | |
debff618 | 1526 | MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR); |
b0114714 JB |
1527 | if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR, |
1528 | mvm->debugfs_dir, &mvm->d3_wake_sysassert)) | |
1529 | goto err; | |
484b3d13 LC |
1530 | if (!debugfs_create_u32("last_netdetect_scans", S_IRUSR, |
1531 | mvm->debugfs_dir, &mvm->last_netdetect_scans)) | |
1532 | goto err; | |
afc66bb7 | 1533 | #endif |
8ca151b5 | 1534 | |
bdd54839 LC |
1535 | if (!debugfs_create_u8("ps_disabled", S_IRUSR, |
1536 | mvm->debugfs_dir, &mvm->ps_disabled)) | |
1537 | goto err; | |
086f7368 EG |
1538 | if (!debugfs_create_blob("nvm_hw", S_IRUSR, |
1539 | mvm->debugfs_dir, &mvm->nvm_hw_blob)) | |
1540 | goto err; | |
1541 | if (!debugfs_create_blob("nvm_sw", S_IRUSR, | |
1542 | mvm->debugfs_dir, &mvm->nvm_sw_blob)) | |
1543 | goto err; | |
1544 | if (!debugfs_create_blob("nvm_calib", S_IRUSR, | |
1545 | mvm->debugfs_dir, &mvm->nvm_calib_blob)) | |
1546 | goto err; | |
1547 | if (!debugfs_create_blob("nvm_prod", S_IRUSR, | |
1548 | mvm->debugfs_dir, &mvm->nvm_prod_blob)) | |
1549 | goto err; | |
91fac940 MH |
1550 | if (!debugfs_create_blob("nvm_phy_sku", S_IRUSR, |
1551 | mvm->debugfs_dir, &mvm->nvm_phy_sku_blob)) | |
1552 | goto err; | |
086f7368 | 1553 | |
8ca151b5 JB |
1554 | /* |
1555 | * Create a symlink with mac80211. It will be removed when mac80211 | |
1556 | * exists (before the opmode exists which removes the target.) | |
1557 | */ | |
1558 | snprintf(buf, 100, "../../%s/%s", | |
1559 | dbgfs_dir->d_parent->d_parent->d_name.name, | |
1560 | dbgfs_dir->d_parent->d_name.name); | |
1561 | if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf)) | |
1562 | goto err; | |
1563 | ||
1564 | return 0; | |
1565 | err: | |
1566 | IWL_ERR(mvm, "Can't create the mvm debugfs directory\n"); | |
1567 | return -ENOMEM; | |
1568 | } |