]>
Commit | Line | Data |
---|---|---|
bb9f8692 ZY |
1 | /* |
2 | * Intel Wireless Multicomm 3200 WiFi driver | |
3 | * | |
4 | * Copyright (C) 2009 Intel Corporation <ilw@linux.intel.com> | |
5 | * Samuel Ortiz <samuel.ortiz@intel.com> | |
6 | * Zhu Yi <yi.zhu@intel.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License version | |
10 | * 2 as published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
20 | * 02110-1301, USA. | |
21 | * | |
22 | */ | |
23 | ||
5a0e3ad6 | 24 | #include <linux/slab.h> |
bb9f8692 ZY |
25 | #include <linux/kernel.h> |
26 | #include <linux/bitops.h> | |
27 | #include <linux/debugfs.h> | |
28 | ||
29 | #include "iwm.h" | |
30 | #include "bus.h" | |
31 | #include "rx.h" | |
32 | #include "debug.h" | |
33 | ||
34 | static struct { | |
35 | u8 id; | |
36 | char *name; | |
37 | } iwm_debug_module[__IWM_DM_NR] = { | |
38 | {IWM_DM_BOOT, "boot"}, | |
39 | {IWM_DM_FW, "fw"}, | |
40 | {IWM_DM_SDIO, "sdio"}, | |
41 | {IWM_DM_NTF, "ntf"}, | |
42 | {IWM_DM_RX, "rx"}, | |
43 | {IWM_DM_TX, "tx"}, | |
44 | {IWM_DM_MLME, "mlme"}, | |
45 | {IWM_DM_CMD, "cmd"}, | |
46 | {IWM_DM_WEXT, "wext"}, | |
47 | }; | |
48 | ||
49 | #define add_dbg_module(dbg, name, id, initlevel) \ | |
50 | do { \ | |
51 | struct dentry *d; \ | |
52 | dbg.dbg_module[id] = (initlevel); \ | |
53 | d = debugfs_create_x8(name, 0600, dbg.dbgdir, \ | |
54 | &(dbg.dbg_module[id])); \ | |
55 | if (!IS_ERR(d)) \ | |
56 | dbg.dbg_module_dentries[id] = d; \ | |
57 | } while (0) | |
58 | ||
59 | static int iwm_debugfs_u32_read(void *data, u64 *val) | |
60 | { | |
61 | struct iwm_priv *iwm = data; | |
62 | ||
63 | *val = iwm->dbg.dbg_level; | |
64 | return 0; | |
65 | } | |
66 | ||
67 | static int iwm_debugfs_dbg_level_write(void *data, u64 val) | |
68 | { | |
69 | struct iwm_priv *iwm = data; | |
70 | int i; | |
71 | ||
72 | iwm->dbg.dbg_level = val; | |
73 | ||
74 | for (i = 0; i < __IWM_DM_NR; i++) | |
75 | iwm->dbg.dbg_module[i] = val; | |
76 | ||
77 | return 0; | |
78 | } | |
79 | DEFINE_SIMPLE_ATTRIBUTE(fops_iwm_dbg_level, | |
80 | iwm_debugfs_u32_read, iwm_debugfs_dbg_level_write, | |
81 | "%llu\n"); | |
82 | ||
83 | static int iwm_debugfs_dbg_modules_write(void *data, u64 val) | |
84 | { | |
85 | struct iwm_priv *iwm = data; | |
86 | int i, bit; | |
87 | ||
88 | iwm->dbg.dbg_modules = val; | |
89 | ||
90 | for (i = 0; i < __IWM_DM_NR; i++) | |
91 | iwm->dbg.dbg_module[i] = 0; | |
92 | ||
984b3f57 | 93 | for_each_set_bit(bit, &iwm->dbg.dbg_modules, __IWM_DM_NR) |
bb9f8692 ZY |
94 | iwm->dbg.dbg_module[bit] = iwm->dbg.dbg_level; |
95 | ||
96 | return 0; | |
97 | } | |
98 | DEFINE_SIMPLE_ATTRIBUTE(fops_iwm_dbg_modules, | |
99 | iwm_debugfs_u32_read, iwm_debugfs_dbg_modules_write, | |
100 | "%llu\n"); | |
101 | ||
04e715cd | 102 | static int iwm_generic_open(struct inode *inode, struct file *filp) |
bb9f8692 ZY |
103 | { |
104 | filp->private_data = inode->i_private; | |
105 | return 0; | |
106 | } | |
107 | ||
108 | ||
109 | static ssize_t iwm_debugfs_txq_read(struct file *filp, char __user *buffer, | |
110 | size_t count, loff_t *ppos) | |
111 | { | |
112 | struct iwm_priv *iwm = filp->private_data; | |
113 | char *buf; | |
114 | int i, buf_len = 4096; | |
115 | size_t len = 0; | |
116 | ssize_t ret; | |
117 | ||
118 | if (*ppos != 0) | |
119 | return 0; | |
120 | if (count < sizeof(buf)) | |
121 | return -ENOSPC; | |
122 | ||
123 | buf = kzalloc(buf_len, GFP_KERNEL); | |
124 | if (!buf) | |
125 | return -ENOMEM; | |
126 | ||
127 | for (i = 0; i < IWM_TX_QUEUES; i++) { | |
128 | struct iwm_tx_queue *txq = &iwm->txq[i]; | |
129 | struct sk_buff *skb; | |
130 | int j; | |
131 | unsigned long flags; | |
132 | ||
133 | spin_lock_irqsave(&txq->queue.lock, flags); | |
134 | ||
135 | skb = (struct sk_buff *)&txq->queue; | |
136 | ||
137 | len += snprintf(buf + len, buf_len - len, "TXQ #%d\n", i); | |
138 | len += snprintf(buf + len, buf_len - len, "\tStopped: %d\n", | |
139 | __netif_subqueue_stopped(iwm_to_ndev(iwm), | |
140 | txq->id)); | |
141 | len += snprintf(buf + len, buf_len - len, "\tConcat count:%d\n", | |
142 | txq->concat_count); | |
143 | len += snprintf(buf + len, buf_len - len, "\tQueue len: %d\n", | |
144 | skb_queue_len(&txq->queue)); | |
145 | for (j = 0; j < skb_queue_len(&txq->queue); j++) { | |
146 | struct iwm_tx_info *tx_info; | |
147 | ||
148 | skb = skb->next; | |
149 | tx_info = skb_to_tx_info(skb); | |
150 | ||
151 | len += snprintf(buf + len, buf_len - len, | |
152 | "\tSKB #%d\n", j); | |
153 | len += snprintf(buf + len, buf_len - len, | |
154 | "\t\tsta: %d\n", tx_info->sta); | |
155 | len += snprintf(buf + len, buf_len - len, | |
156 | "\t\tcolor: %d\n", tx_info->color); | |
157 | len += snprintf(buf + len, buf_len - len, | |
158 | "\t\ttid: %d\n", tx_info->tid); | |
159 | } | |
160 | ||
161 | spin_unlock_irqrestore(&txq->queue.lock, flags); | |
b136b3a2 SO |
162 | |
163 | spin_lock_irqsave(&txq->stopped_queue.lock, flags); | |
164 | ||
165 | len += snprintf(buf + len, buf_len - len, | |
166 | "\tStopped Queue len: %d\n", | |
167 | skb_queue_len(&txq->stopped_queue)); | |
168 | for (j = 0; j < skb_queue_len(&txq->stopped_queue); j++) { | |
169 | struct iwm_tx_info *tx_info; | |
170 | ||
171 | skb = skb->next; | |
172 | tx_info = skb_to_tx_info(skb); | |
173 | ||
174 | len += snprintf(buf + len, buf_len - len, | |
175 | "\tSKB #%d\n", j); | |
176 | len += snprintf(buf + len, buf_len - len, | |
177 | "\t\tsta: %d\n", tx_info->sta); | |
178 | len += snprintf(buf + len, buf_len - len, | |
179 | "\t\tcolor: %d\n", tx_info->color); | |
180 | len += snprintf(buf + len, buf_len - len, | |
181 | "\t\ttid: %d\n", tx_info->tid); | |
182 | } | |
183 | ||
184 | spin_unlock_irqrestore(&txq->stopped_queue.lock, flags); | |
bb9f8692 ZY |
185 | } |
186 | ||
187 | ret = simple_read_from_buffer(buffer, len, ppos, buf, buf_len); | |
188 | kfree(buf); | |
189 | ||
190 | return ret; | |
191 | } | |
192 | ||
193 | static ssize_t iwm_debugfs_tx_credit_read(struct file *filp, | |
194 | char __user *buffer, | |
195 | size_t count, loff_t *ppos) | |
196 | { | |
197 | struct iwm_priv *iwm = filp->private_data; | |
198 | struct iwm_tx_credit *credit = &iwm->tx_credit; | |
199 | char *buf; | |
200 | int i, buf_len = 4096; | |
201 | size_t len = 0; | |
202 | ssize_t ret; | |
203 | ||
204 | if (*ppos != 0) | |
205 | return 0; | |
206 | if (count < sizeof(buf)) | |
207 | return -ENOSPC; | |
208 | ||
209 | buf = kzalloc(buf_len, GFP_KERNEL); | |
210 | if (!buf) | |
211 | return -ENOMEM; | |
212 | ||
213 | len += snprintf(buf + len, buf_len - len, | |
214 | "NR pools: %d\n", credit->pool_nr); | |
215 | len += snprintf(buf + len, buf_len - len, | |
216 | "pools map: 0x%lx\n", credit->full_pools_map); | |
217 | ||
218 | len += snprintf(buf + len, buf_len - len, "\n### POOLS ###\n"); | |
219 | for (i = 0; i < IWM_MACS_OUT_GROUPS; i++) { | |
220 | len += snprintf(buf + len, buf_len - len, | |
221 | "pools entry #%d\n", i); | |
222 | len += snprintf(buf + len, buf_len - len, | |
223 | "\tid: %d\n", | |
224 | credit->pools[i].id); | |
225 | len += snprintf(buf + len, buf_len - len, | |
226 | "\tsid: %d\n", | |
227 | credit->pools[i].sid); | |
228 | len += snprintf(buf + len, buf_len - len, | |
229 | "\tmin_pages: %d\n", | |
230 | credit->pools[i].min_pages); | |
231 | len += snprintf(buf + len, buf_len - len, | |
232 | "\tmax_pages: %d\n", | |
233 | credit->pools[i].max_pages); | |
234 | len += snprintf(buf + len, buf_len - len, | |
235 | "\talloc_pages: %d\n", | |
236 | credit->pools[i].alloc_pages); | |
237 | len += snprintf(buf + len, buf_len - len, | |
238 | "\tfreed_pages: %d\n", | |
239 | credit->pools[i].total_freed_pages); | |
240 | } | |
241 | ||
242 | len += snprintf(buf + len, buf_len - len, "\n### SPOOLS ###\n"); | |
243 | for (i = 0; i < IWM_MACS_OUT_SGROUPS; i++) { | |
244 | len += snprintf(buf + len, buf_len - len, | |
245 | "spools entry #%d\n", i); | |
246 | len += snprintf(buf + len, buf_len - len, | |
247 | "\tid: %d\n", | |
248 | credit->spools[i].id); | |
249 | len += snprintf(buf + len, buf_len - len, | |
250 | "\tmax_pages: %d\n", | |
251 | credit->spools[i].max_pages); | |
252 | len += snprintf(buf + len, buf_len - len, | |
253 | "\talloc_pages: %d\n", | |
254 | credit->spools[i].alloc_pages); | |
255 | ||
256 | } | |
257 | ||
258 | ret = simple_read_from_buffer(buffer, len, ppos, buf, buf_len); | |
259 | kfree(buf); | |
260 | ||
261 | return ret; | |
262 | } | |
263 | ||
264 | static ssize_t iwm_debugfs_rx_ticket_read(struct file *filp, | |
265 | char __user *buffer, | |
266 | size_t count, loff_t *ppos) | |
267 | { | |
268 | struct iwm_priv *iwm = filp->private_data; | |
269 | struct iwm_rx_ticket_node *ticket, *next; | |
270 | char *buf; | |
271 | int buf_len = 4096, i; | |
272 | size_t len = 0; | |
273 | ssize_t ret; | |
274 | ||
275 | if (*ppos != 0) | |
276 | return 0; | |
277 | if (count < sizeof(buf)) | |
278 | return -ENOSPC; | |
279 | ||
280 | buf = kzalloc(buf_len, GFP_KERNEL); | |
281 | if (!buf) | |
282 | return -ENOMEM; | |
283 | ||
284 | list_for_each_entry_safe(ticket, next, &iwm->rx_tickets, node) { | |
285 | len += snprintf(buf + len, buf_len - len, "Ticket #%d\n", | |
286 | ticket->ticket->id); | |
287 | len += snprintf(buf + len, buf_len - len, "\taction: 0x%x\n", | |
288 | ticket->ticket->action); | |
289 | len += snprintf(buf + len, buf_len - len, "\tflags: 0x%x\n", | |
290 | ticket->ticket->flags); | |
291 | } | |
292 | ||
293 | for (i = 0; i < IWM_RX_ID_HASH; i++) { | |
294 | struct iwm_rx_packet *packet, *nxt; | |
295 | struct list_head *pkt_list = &iwm->rx_packets[i]; | |
296 | if (!list_empty(pkt_list)) { | |
297 | len += snprintf(buf + len, buf_len - len, | |
298 | "Packet hash #%d\n", i); | |
299 | list_for_each_entry_safe(packet, nxt, pkt_list, node) { | |
300 | len += snprintf(buf + len, buf_len - len, | |
301 | "\tPacket id: %d\n", | |
302 | packet->id); | |
303 | len += snprintf(buf + len, buf_len - len, | |
304 | "\tPacket length: %lu\n", | |
305 | packet->pkt_size); | |
306 | } | |
307 | } | |
308 | } | |
309 | ||
310 | ret = simple_read_from_buffer(buffer, len, ppos, buf, buf_len); | |
311 | kfree(buf); | |
312 | ||
313 | return ret; | |
314 | } | |
315 | ||
04e715cd SO |
316 | static ssize_t iwm_debugfs_fw_err_read(struct file *filp, |
317 | char __user *buffer, | |
318 | size_t count, loff_t *ppos) | |
319 | { | |
320 | ||
321 | struct iwm_priv *iwm = filp->private_data; | |
322 | char buf[512]; | |
323 | int buf_len = 512; | |
324 | size_t len = 0; | |
325 | ||
326 | if (*ppos != 0) | |
327 | return 0; | |
328 | if (count < sizeof(buf)) | |
329 | return -ENOSPC; | |
330 | ||
331 | if (!iwm->last_fw_err) | |
332 | return -ENOMEM; | |
333 | ||
334 | if (iwm->last_fw_err->line_num == 0) | |
335 | goto out; | |
336 | ||
337 | len += snprintf(buf + len, buf_len - len, "%cMAC FW ERROR:\n", | |
338 | (le32_to_cpu(iwm->last_fw_err->category) == UMAC_SYS_ERR_CAT_LMAC) | |
339 | ? 'L' : 'U'); | |
340 | len += snprintf(buf + len, buf_len - len, | |
341 | "\tCategory: %d\n", | |
342 | le32_to_cpu(iwm->last_fw_err->category)); | |
343 | ||
344 | len += snprintf(buf + len, buf_len - len, | |
345 | "\tStatus: 0x%x\n", | |
346 | le32_to_cpu(iwm->last_fw_err->status)); | |
347 | ||
348 | len += snprintf(buf + len, buf_len - len, | |
349 | "\tPC: 0x%x\n", | |
350 | le32_to_cpu(iwm->last_fw_err->pc)); | |
351 | ||
352 | len += snprintf(buf + len, buf_len - len, | |
353 | "\tblink1: %d\n", | |
354 | le32_to_cpu(iwm->last_fw_err->blink1)); | |
355 | ||
356 | len += snprintf(buf + len, buf_len - len, | |
357 | "\tblink2: %d\n", | |
358 | le32_to_cpu(iwm->last_fw_err->blink2)); | |
359 | ||
360 | len += snprintf(buf + len, buf_len - len, | |
361 | "\tilink1: %d\n", | |
362 | le32_to_cpu(iwm->last_fw_err->ilink1)); | |
363 | ||
364 | len += snprintf(buf + len, buf_len - len, | |
365 | "\tilink2: %d\n", | |
366 | le32_to_cpu(iwm->last_fw_err->ilink2)); | |
367 | ||
368 | len += snprintf(buf + len, buf_len - len, | |
369 | "\tData1: 0x%x\n", | |
370 | le32_to_cpu(iwm->last_fw_err->data1)); | |
371 | ||
372 | len += snprintf(buf + len, buf_len - len, | |
373 | "\tData2: 0x%x\n", | |
374 | le32_to_cpu(iwm->last_fw_err->data2)); | |
375 | ||
376 | len += snprintf(buf + len, buf_len - len, | |
377 | "\tLine number: %d\n", | |
378 | le32_to_cpu(iwm->last_fw_err->line_num)); | |
379 | ||
380 | len += snprintf(buf + len, buf_len - len, | |
381 | "\tUMAC status: 0x%x\n", | |
382 | le32_to_cpu(iwm->last_fw_err->umac_status)); | |
383 | ||
384 | len += snprintf(buf + len, buf_len - len, | |
385 | "\tLMAC status: 0x%x\n", | |
386 | le32_to_cpu(iwm->last_fw_err->lmac_status)); | |
387 | ||
388 | len += snprintf(buf + len, buf_len - len, | |
389 | "\tSDIO status: 0x%x\n", | |
390 | le32_to_cpu(iwm->last_fw_err->sdio_status)); | |
391 | ||
392 | out: | |
393 | ||
394 | return simple_read_from_buffer(buffer, len, ppos, buf, buf_len); | |
395 | } | |
bb9f8692 ZY |
396 | |
397 | static const struct file_operations iwm_debugfs_txq_fops = { | |
398 | .owner = THIS_MODULE, | |
04e715cd | 399 | .open = iwm_generic_open, |
bb9f8692 ZY |
400 | .read = iwm_debugfs_txq_read, |
401 | }; | |
402 | ||
403 | static const struct file_operations iwm_debugfs_tx_credit_fops = { | |
404 | .owner = THIS_MODULE, | |
04e715cd | 405 | .open = iwm_generic_open, |
bb9f8692 ZY |
406 | .read = iwm_debugfs_tx_credit_read, |
407 | }; | |
408 | ||
409 | static const struct file_operations iwm_debugfs_rx_ticket_fops = { | |
410 | .owner = THIS_MODULE, | |
04e715cd | 411 | .open = iwm_generic_open, |
bb9f8692 ZY |
412 | .read = iwm_debugfs_rx_ticket_read, |
413 | }; | |
414 | ||
04e715cd SO |
415 | static const struct file_operations iwm_debugfs_fw_err_fops = { |
416 | .owner = THIS_MODULE, | |
417 | .open = iwm_generic_open, | |
418 | .read = iwm_debugfs_fw_err_read, | |
419 | }; | |
420 | ||
bb9f8692 ZY |
421 | int iwm_debugfs_init(struct iwm_priv *iwm) |
422 | { | |
423 | int i, result; | |
424 | char devdir[16]; | |
425 | ||
426 | iwm->dbg.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL); | |
427 | result = PTR_ERR(iwm->dbg.rootdir); | |
428 | if (!result || IS_ERR(iwm->dbg.rootdir)) { | |
429 | if (result == -ENODEV) { | |
430 | IWM_ERR(iwm, "DebugFS (CONFIG_DEBUG_FS) not " | |
431 | "enabled in kernel config\n"); | |
432 | result = 0; /* No debugfs support */ | |
433 | } | |
434 | IWM_ERR(iwm, "Couldn't create rootdir: %d\n", result); | |
435 | goto error; | |
436 | } | |
437 | ||
438 | snprintf(devdir, sizeof(devdir), "%s", wiphy_name(iwm_to_wiphy(iwm))); | |
439 | ||
440 | iwm->dbg.devdir = debugfs_create_dir(devdir, iwm->dbg.rootdir); | |
441 | result = PTR_ERR(iwm->dbg.devdir); | |
442 | if (IS_ERR(iwm->dbg.devdir) && (result != -ENODEV)) { | |
443 | IWM_ERR(iwm, "Couldn't create devdir: %d\n", result); | |
444 | goto error; | |
445 | } | |
446 | ||
447 | iwm->dbg.dbgdir = debugfs_create_dir("debug", iwm->dbg.devdir); | |
448 | result = PTR_ERR(iwm->dbg.dbgdir); | |
449 | if (IS_ERR(iwm->dbg.dbgdir) && (result != -ENODEV)) { | |
450 | IWM_ERR(iwm, "Couldn't create dbgdir: %d\n", result); | |
451 | goto error; | |
452 | } | |
453 | ||
454 | iwm->dbg.rxdir = debugfs_create_dir("rx", iwm->dbg.devdir); | |
455 | result = PTR_ERR(iwm->dbg.rxdir); | |
456 | if (IS_ERR(iwm->dbg.rxdir) && (result != -ENODEV)) { | |
457 | IWM_ERR(iwm, "Couldn't create rx dir: %d\n", result); | |
458 | goto error; | |
459 | } | |
460 | ||
461 | iwm->dbg.txdir = debugfs_create_dir("tx", iwm->dbg.devdir); | |
462 | result = PTR_ERR(iwm->dbg.txdir); | |
463 | if (IS_ERR(iwm->dbg.txdir) && (result != -ENODEV)) { | |
464 | IWM_ERR(iwm, "Couldn't create tx dir: %d\n", result); | |
465 | goto error; | |
466 | } | |
467 | ||
468 | iwm->dbg.busdir = debugfs_create_dir("bus", iwm->dbg.devdir); | |
469 | result = PTR_ERR(iwm->dbg.busdir); | |
470 | if (IS_ERR(iwm->dbg.busdir) && (result != -ENODEV)) { | |
471 | IWM_ERR(iwm, "Couldn't create bus dir: %d\n", result); | |
472 | goto error; | |
473 | } | |
474 | ||
475 | if (iwm->bus_ops->debugfs_init) { | |
476 | result = iwm->bus_ops->debugfs_init(iwm, iwm->dbg.busdir); | |
477 | if (result < 0) { | |
478 | IWM_ERR(iwm, "Couldn't create bus entry: %d\n", result); | |
479 | goto error; | |
480 | } | |
481 | } | |
482 | ||
483 | ||
484 | iwm->dbg.dbg_level = IWM_DL_NONE; | |
485 | iwm->dbg.dbg_level_dentry = | |
486 | debugfs_create_file("level", 0200, iwm->dbg.dbgdir, iwm, | |
487 | &fops_iwm_dbg_level); | |
488 | result = PTR_ERR(iwm->dbg.dbg_level_dentry); | |
489 | if (IS_ERR(iwm->dbg.dbg_level_dentry) && (result != -ENODEV)) { | |
490 | IWM_ERR(iwm, "Couldn't create dbg_level: %d\n", result); | |
491 | goto error; | |
492 | } | |
493 | ||
494 | ||
495 | iwm->dbg.dbg_modules = IWM_DM_DEFAULT; | |
496 | iwm->dbg.dbg_modules_dentry = | |
497 | debugfs_create_file("modules", 0200, iwm->dbg.dbgdir, iwm, | |
498 | &fops_iwm_dbg_modules); | |
499 | result = PTR_ERR(iwm->dbg.dbg_modules_dentry); | |
500 | if (IS_ERR(iwm->dbg.dbg_modules_dentry) && (result != -ENODEV)) { | |
501 | IWM_ERR(iwm, "Couldn't create dbg_modules: %d\n", result); | |
502 | goto error; | |
503 | } | |
504 | ||
505 | for (i = 0; i < __IWM_DM_NR; i++) | |
506 | add_dbg_module(iwm->dbg, iwm_debug_module[i].name, | |
507 | iwm_debug_module[i].id, IWM_DL_DEFAULT); | |
508 | ||
509 | iwm->dbg.txq_dentry = debugfs_create_file("queues", 0200, | |
510 | iwm->dbg.txdir, iwm, | |
511 | &iwm_debugfs_txq_fops); | |
512 | result = PTR_ERR(iwm->dbg.txq_dentry); | |
513 | if (IS_ERR(iwm->dbg.txq_dentry) && (result != -ENODEV)) { | |
514 | IWM_ERR(iwm, "Couldn't create tx queue: %d\n", result); | |
515 | goto error; | |
516 | } | |
517 | ||
518 | iwm->dbg.tx_credit_dentry = debugfs_create_file("credits", 0200, | |
519 | iwm->dbg.txdir, iwm, | |
520 | &iwm_debugfs_tx_credit_fops); | |
521 | result = PTR_ERR(iwm->dbg.tx_credit_dentry); | |
522 | if (IS_ERR(iwm->dbg.tx_credit_dentry) && (result != -ENODEV)) { | |
523 | IWM_ERR(iwm, "Couldn't create tx credit: %d\n", result); | |
524 | goto error; | |
525 | } | |
526 | ||
527 | iwm->dbg.rx_ticket_dentry = debugfs_create_file("tickets", 0200, | |
528 | iwm->dbg.rxdir, iwm, | |
529 | &iwm_debugfs_rx_ticket_fops); | |
530 | result = PTR_ERR(iwm->dbg.rx_ticket_dentry); | |
531 | if (IS_ERR(iwm->dbg.rx_ticket_dentry) && (result != -ENODEV)) { | |
532 | IWM_ERR(iwm, "Couldn't create rx ticket: %d\n", result); | |
533 | goto error; | |
534 | } | |
535 | ||
04e715cd SO |
536 | iwm->dbg.fw_err_dentry = debugfs_create_file("last_fw_err", 0200, |
537 | iwm->dbg.dbgdir, iwm, | |
538 | &iwm_debugfs_fw_err_fops); | |
539 | result = PTR_ERR(iwm->dbg.fw_err_dentry); | |
540 | if (IS_ERR(iwm->dbg.fw_err_dentry) && (result != -ENODEV)) { | |
541 | IWM_ERR(iwm, "Couldn't create last FW err: %d\n", result); | |
542 | goto error; | |
543 | } | |
544 | ||
545 | ||
bb9f8692 ZY |
546 | return 0; |
547 | ||
548 | error: | |
549 | return result; | |
550 | } | |
551 | ||
552 | void iwm_debugfs_exit(struct iwm_priv *iwm) | |
553 | { | |
554 | int i; | |
555 | ||
556 | for (i = 0; i < __IWM_DM_NR; i++) | |
557 | debugfs_remove(iwm->dbg.dbg_module_dentries[i]); | |
558 | ||
559 | debugfs_remove(iwm->dbg.dbg_modules_dentry); | |
560 | debugfs_remove(iwm->dbg.dbg_level_dentry); | |
561 | debugfs_remove(iwm->dbg.txq_dentry); | |
562 | debugfs_remove(iwm->dbg.tx_credit_dentry); | |
563 | debugfs_remove(iwm->dbg.rx_ticket_dentry); | |
04e715cd | 564 | debugfs_remove(iwm->dbg.fw_err_dentry); |
bb9f8692 ZY |
565 | if (iwm->bus_ops->debugfs_exit) |
566 | iwm->bus_ops->debugfs_exit(iwm); | |
567 | ||
568 | debugfs_remove(iwm->dbg.busdir); | |
569 | debugfs_remove(iwm->dbg.dbgdir); | |
570 | debugfs_remove(iwm->dbg.txdir); | |
571 | debugfs_remove(iwm->dbg.rxdir); | |
572 | debugfs_remove(iwm->dbg.devdir); | |
573 | debugfs_remove(iwm->dbg.rootdir); | |
574 | } |