Commit | Line | Data |
---|---|---|
f222313a JL |
1 | /* |
2 | ||
3 | Broadcom BCM43xx wireless driver | |
4 | ||
5 | debugfs driver debugging code | |
6 | ||
7 | Copyright (c) 2005 Michael Buesch <mbuesch@freenet.de> | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; see the file COPYING. If not, write to | |
21 | the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, | |
22 | Boston, MA 02110-1301, USA. | |
23 | ||
24 | */ | |
25 | ||
26 | ||
27 | ||
28 | #include <linux/fs.h> | |
29 | #include <linux/debugfs.h> | |
30 | #include <linux/slab.h> | |
31 | #include <linux/netdevice.h> | |
32 | #include <linux/pci.h> | |
33 | #include <asm/io.h> | |
34 | ||
35 | #include "bcm43xx.h" | |
36 | #include "bcm43xx_main.h" | |
37 | #include "bcm43xx_debugfs.h" | |
38 | #include "bcm43xx_dma.h" | |
39 | #include "bcm43xx_pio.h" | |
f398f02d | 40 | #include "bcm43xx_xmit.h" |
f222313a JL |
41 | |
42 | #define REALLY_BIG_BUFFER_SIZE (1024*256) | |
43 | ||
44 | static struct bcm43xx_debugfs fs; | |
45 | static char really_big_buffer[REALLY_BIG_BUFFER_SIZE]; | |
46 | static DECLARE_MUTEX(big_buffer_sem); | |
47 | ||
48 | ||
49 | static ssize_t write_file_dummy(struct file *file, const char __user *buf, | |
50 | size_t count, loff_t *ppos) | |
51 | { | |
52 | return count; | |
53 | } | |
54 | ||
55 | static int open_file_generic(struct inode *inode, struct file *file) | |
56 | { | |
8e18e294 | 57 | file->private_data = inode->i_private; |
f222313a JL |
58 | return 0; |
59 | } | |
60 | ||
61 | #define fappend(fmt, x...) pos += snprintf(buf + pos, len - pos, fmt , ##x) | |
62 | ||
63 | static ssize_t devinfo_read_file(struct file *file, char __user *userbuf, | |
64 | size_t count, loff_t *ppos) | |
65 | { | |
66 | const size_t len = REALLY_BIG_BUFFER_SIZE; | |
67 | ||
68 | struct bcm43xx_private *bcm = file->private_data; | |
69 | char *buf = really_big_buffer; | |
70 | size_t pos = 0; | |
71 | ssize_t res; | |
72 | struct net_device *net_dev; | |
73 | struct pci_dev *pci_dev; | |
74 | unsigned long flags; | |
75 | u16 tmp16; | |
76 | int i; | |
77 | ||
78 | down(&big_buffer_sem); | |
79 | ||
efa6a370 MB |
80 | mutex_lock(&bcm->mutex); |
81 | spin_lock_irqsave(&bcm->irq_lock, flags); | |
78ff56a0 | 82 | if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) { |
f222313a JL |
83 | fappend("Board not initialized.\n"); |
84 | goto out; | |
85 | } | |
86 | net_dev = bcm->net_dev; | |
87 | pci_dev = bcm->pci_dev; | |
88 | ||
89 | /* This is where the information is written to the "devinfo" file */ | |
90 | fappend("*** %s devinfo ***\n", net_dev->name); | |
91 | fappend("vendor: 0x%04x device: 0x%04x\n", | |
92 | pci_dev->vendor, pci_dev->device); | |
93 | fappend("subsystem_vendor: 0x%04x subsystem_device: 0x%04x\n", | |
94 | pci_dev->subsystem_vendor, pci_dev->subsystem_device); | |
95 | fappend("IRQ: %d\n", bcm->irq); | |
cc935710 | 96 | fappend("mmio_addr: 0x%p\n", bcm->mmio_addr); |
f222313a JL |
97 | fappend("chip_id: 0x%04x chip_rev: 0x%02x\n", bcm->chip_id, bcm->chip_rev); |
98 | if ((bcm->core_80211[0].rev >= 3) && (bcm43xx_read32(bcm, 0x0158) & (1 << 16))) | |
99 | fappend("Radio disabled by hardware!\n"); | |
100 | if ((bcm->core_80211[0].rev < 3) && !(bcm43xx_read16(bcm, 0x049A) & (1 << 4))) | |
101 | fappend("Radio disabled by hardware!\n"); | |
102 | fappend("board_vendor: 0x%04x board_type: 0x%04x\n", bcm->board_vendor, | |
103 | bcm->board_type); | |
104 | ||
105 | fappend("\nCores:\n"); | |
106 | #define fappend_core(name, info) fappend("core \"" name "\" %s, %s, id: 0x%04x, " \ | |
107 | "rev: 0x%02x, index: 0x%02x\n", \ | |
e9357c05 | 108 | (info).available \ |
f222313a | 109 | ? "available" : "nonavailable", \ |
e9357c05 | 110 | (info).enabled \ |
f222313a JL |
111 | ? "enabled" : "disabled", \ |
112 | (info).id, (info).rev, (info).index) | |
113 | fappend_core("CHIPCOMMON", bcm->core_chipcommon); | |
114 | fappend_core("PCI", bcm->core_pci); | |
f222313a JL |
115 | fappend_core("first 80211", bcm->core_80211[0]); |
116 | fappend_core("second 80211", bcm->core_80211[1]); | |
117 | #undef fappend_core | |
118 | tmp16 = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL); | |
119 | fappend("LEDs: "); | |
120 | for (i = 0; i < BCM43xx_NR_LEDS; i++) | |
121 | fappend("%d ", !!(tmp16 & (1 << i))); | |
122 | fappend("\n"); | |
123 | ||
124 | out: | |
efa6a370 MB |
125 | spin_unlock_irqrestore(&bcm->irq_lock, flags); |
126 | mutex_unlock(&bcm->mutex); | |
f222313a JL |
127 | res = simple_read_from_buffer(userbuf, count, ppos, buf, pos); |
128 | up(&big_buffer_sem); | |
129 | return res; | |
130 | } | |
131 | ||
132 | static ssize_t drvinfo_read_file(struct file *file, char __user *userbuf, | |
133 | size_t count, loff_t *ppos) | |
134 | { | |
135 | const size_t len = REALLY_BIG_BUFFER_SIZE; | |
136 | ||
137 | char *buf = really_big_buffer; | |
138 | size_t pos = 0; | |
139 | ssize_t res; | |
140 | ||
141 | down(&big_buffer_sem); | |
142 | ||
143 | /* This is where the information is written to the "driver" file */ | |
65f3f191 | 144 | fappend(KBUILD_MODNAME " driver\n"); |
f222313a JL |
145 | fappend("Compiled at: %s %s\n", __DATE__, __TIME__); |
146 | ||
147 | res = simple_read_from_buffer(userbuf, count, ppos, buf, pos); | |
148 | up(&big_buffer_sem); | |
149 | return res; | |
150 | } | |
151 | ||
152 | static ssize_t spromdump_read_file(struct file *file, char __user *userbuf, | |
153 | size_t count, loff_t *ppos) | |
154 | { | |
155 | const size_t len = REALLY_BIG_BUFFER_SIZE; | |
156 | ||
157 | struct bcm43xx_private *bcm = file->private_data; | |
158 | char *buf = really_big_buffer; | |
159 | size_t pos = 0; | |
160 | ssize_t res; | |
161 | unsigned long flags; | |
162 | ||
163 | down(&big_buffer_sem); | |
efa6a370 MB |
164 | mutex_lock(&bcm->mutex); |
165 | spin_lock_irqsave(&bcm->irq_lock, flags); | |
78ff56a0 | 166 | if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) { |
f222313a JL |
167 | fappend("Board not initialized.\n"); |
168 | goto out; | |
169 | } | |
170 | ||
171 | /* This is where the information is written to the "sprom_dump" file */ | |
172 | fappend("boardflags: 0x%04x\n", bcm->sprom.boardflags); | |
173 | ||
174 | out: | |
efa6a370 MB |
175 | spin_unlock_irqrestore(&bcm->irq_lock, flags); |
176 | mutex_unlock(&bcm->mutex); | |
f222313a JL |
177 | res = simple_read_from_buffer(userbuf, count, ppos, buf, pos); |
178 | up(&big_buffer_sem); | |
179 | return res; | |
180 | } | |
181 | ||
182 | static ssize_t tsf_read_file(struct file *file, char __user *userbuf, | |
183 | size_t count, loff_t *ppos) | |
184 | { | |
185 | const size_t len = REALLY_BIG_BUFFER_SIZE; | |
186 | ||
187 | struct bcm43xx_private *bcm = file->private_data; | |
188 | char *buf = really_big_buffer; | |
189 | size_t pos = 0; | |
190 | ssize_t res; | |
191 | unsigned long flags; | |
192 | u64 tsf; | |
193 | ||
194 | down(&big_buffer_sem); | |
efa6a370 MB |
195 | mutex_lock(&bcm->mutex); |
196 | spin_lock_irqsave(&bcm->irq_lock, flags); | |
78ff56a0 | 197 | if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) { |
f222313a JL |
198 | fappend("Board not initialized.\n"); |
199 | goto out; | |
200 | } | |
201 | bcm43xx_tsf_read(bcm, &tsf); | |
202 | fappend("0x%08x%08x\n", | |
203 | (unsigned int)((tsf & 0xFFFFFFFF00000000ULL) >> 32), | |
204 | (unsigned int)(tsf & 0xFFFFFFFFULL)); | |
205 | ||
206 | out: | |
efa6a370 MB |
207 | spin_unlock_irqrestore(&bcm->irq_lock, flags); |
208 | mutex_unlock(&bcm->mutex); | |
f222313a JL |
209 | res = simple_read_from_buffer(userbuf, count, ppos, buf, pos); |
210 | up(&big_buffer_sem); | |
211 | return res; | |
212 | } | |
213 | ||
214 | static ssize_t tsf_write_file(struct file *file, const char __user *user_buf, | |
215 | size_t count, loff_t *ppos) | |
216 | { | |
217 | struct bcm43xx_private *bcm = file->private_data; | |
218 | char *buf = really_big_buffer; | |
219 | ssize_t buf_size; | |
220 | ssize_t res; | |
221 | unsigned long flags; | |
222 | u64 tsf; | |
223 | ||
224 | buf_size = min(count, sizeof (really_big_buffer) - 1); | |
225 | down(&big_buffer_sem); | |
226 | if (copy_from_user(buf, user_buf, buf_size)) { | |
227 | res = -EFAULT; | |
228 | goto out_up; | |
229 | } | |
efa6a370 MB |
230 | mutex_lock(&bcm->mutex); |
231 | spin_lock_irqsave(&bcm->irq_lock, flags); | |
78ff56a0 | 232 | if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) { |
f222313a JL |
233 | printk(KERN_INFO PFX "debugfs: Board not initialized.\n"); |
234 | res = -EFAULT; | |
235 | goto out_unlock; | |
236 | } | |
237 | if (sscanf(buf, "%lli", &tsf) != 1) { | |
238 | printk(KERN_INFO PFX "debugfs: invalid values for \"tsf\"\n"); | |
239 | res = -EINVAL; | |
240 | goto out_unlock; | |
241 | } | |
242 | bcm43xx_tsf_write(bcm, tsf); | |
78ff56a0 | 243 | mmiowb(); |
f222313a JL |
244 | res = buf_size; |
245 | ||
246 | out_unlock: | |
efa6a370 MB |
247 | spin_unlock_irqrestore(&bcm->irq_lock, flags); |
248 | mutex_unlock(&bcm->mutex); | |
f222313a JL |
249 | out_up: |
250 | up(&big_buffer_sem); | |
251 | return res; | |
252 | } | |
253 | ||
254 | static ssize_t txstat_read_file(struct file *file, char __user *userbuf, | |
255 | size_t count, loff_t *ppos) | |
256 | { | |
257 | const size_t len = REALLY_BIG_BUFFER_SIZE; | |
258 | ||
259 | struct bcm43xx_private *bcm = file->private_data; | |
260 | char *buf = really_big_buffer; | |
261 | size_t pos = 0; | |
262 | ssize_t res; | |
263 | unsigned long flags; | |
264 | struct bcm43xx_dfsentry *e; | |
265 | struct bcm43xx_xmitstatus *status; | |
266 | int i, cnt, j = 0; | |
267 | ||
268 | down(&big_buffer_sem); | |
efa6a370 MB |
269 | mutex_lock(&bcm->mutex); |
270 | spin_lock_irqsave(&bcm->irq_lock, flags); | |
f222313a JL |
271 | |
272 | fappend("Last %d logged xmitstatus blobs (Latest first):\n\n", | |
273 | BCM43xx_NR_LOGGED_XMITSTATUS); | |
274 | e = bcm->dfsentry; | |
275 | if (e->xmitstatus_printing == 0) { | |
276 | /* At the beginning, make a copy of all data to avoid | |
277 | * concurrency, as this function is called multiple | |
278 | * times for big logs. Without copying, the data might | |
279 | * change between reads. This would result in total trash. | |
280 | */ | |
281 | e->xmitstatus_printing = 1; | |
282 | e->saved_xmitstatus_ptr = e->xmitstatus_ptr; | |
283 | e->saved_xmitstatus_cnt = e->xmitstatus_cnt; | |
284 | memcpy(e->xmitstatus_print_buffer, e->xmitstatus_buffer, | |
285 | BCM43xx_NR_LOGGED_XMITSTATUS * sizeof(*(e->xmitstatus_buffer))); | |
286 | } | |
287 | i = e->saved_xmitstatus_ptr - 1; | |
288 | if (i < 0) | |
289 | i = BCM43xx_NR_LOGGED_XMITSTATUS - 1; | |
290 | cnt = e->saved_xmitstatus_cnt; | |
291 | while (cnt) { | |
292 | status = e->xmitstatus_print_buffer + i; | |
293 | fappend("0x%02x: cookie: 0x%04x, flags: 0x%02x, " | |
294 | "cnt1: 0x%02x, cnt2: 0x%02x, seq: 0x%04x, " | |
295 | "unk: 0x%04x\n", j, | |
296 | status->cookie, status->flags, | |
297 | status->cnt1, status->cnt2, status->seq, | |
298 | status->unknown); | |
299 | j++; | |
300 | cnt--; | |
301 | i--; | |
302 | if (i < 0) | |
303 | i = BCM43xx_NR_LOGGED_XMITSTATUS - 1; | |
304 | } | |
305 | ||
efa6a370 | 306 | spin_unlock_irqrestore(&bcm->irq_lock, flags); |
f222313a | 307 | res = simple_read_from_buffer(userbuf, count, ppos, buf, pos); |
efa6a370 | 308 | spin_lock_irqsave(&bcm->irq_lock, flags); |
f222313a JL |
309 | if (*ppos == pos) { |
310 | /* Done. Drop the copied data. */ | |
311 | e->xmitstatus_printing = 0; | |
312 | } | |
efa6a370 MB |
313 | spin_unlock_irqrestore(&bcm->irq_lock, flags); |
314 | mutex_unlock(&bcm->mutex); | |
f222313a JL |
315 | up(&big_buffer_sem); |
316 | return res; | |
317 | } | |
318 | ||
58e5528e MB |
319 | static ssize_t restart_write_file(struct file *file, const char __user *user_buf, |
320 | size_t count, loff_t *ppos) | |
321 | { | |
322 | struct bcm43xx_private *bcm = file->private_data; | |
323 | char *buf = really_big_buffer; | |
324 | ssize_t buf_size; | |
325 | ssize_t res; | |
326 | unsigned long flags; | |
327 | ||
328 | buf_size = min(count, sizeof (really_big_buffer) - 1); | |
329 | down(&big_buffer_sem); | |
330 | if (copy_from_user(buf, user_buf, buf_size)) { | |
331 | res = -EFAULT; | |
332 | goto out_up; | |
333 | } | |
f1207ba1 JL |
334 | mutex_lock(&(bcm)->mutex); |
335 | spin_lock_irqsave(&(bcm)->irq_lock, flags); | |
58e5528e MB |
336 | if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) { |
337 | printk(KERN_INFO PFX "debugfs: Board not initialized.\n"); | |
338 | res = -EFAULT; | |
339 | goto out_unlock; | |
340 | } | |
341 | if (count > 0 && buf[0] == '1') { | |
342 | bcm43xx_controller_restart(bcm, "manually restarted"); | |
343 | res = count; | |
344 | } else | |
345 | res = -EINVAL; | |
346 | ||
347 | out_unlock: | |
f1207ba1 JL |
348 | spin_unlock_irqrestore(&(bcm)->irq_lock, flags); |
349 | mutex_unlock(&(bcm)->mutex); | |
58e5528e MB |
350 | out_up: |
351 | up(&big_buffer_sem); | |
352 | return res; | |
353 | } | |
354 | ||
f222313a JL |
355 | #undef fappend |
356 | ||
357 | ||
d54b1fdb | 358 | static const struct file_operations devinfo_fops = { |
f222313a JL |
359 | .read = devinfo_read_file, |
360 | .write = write_file_dummy, | |
361 | .open = open_file_generic, | |
362 | }; | |
363 | ||
d54b1fdb | 364 | static const struct file_operations spromdump_fops = { |
f222313a JL |
365 | .read = spromdump_read_file, |
366 | .write = write_file_dummy, | |
367 | .open = open_file_generic, | |
368 | }; | |
369 | ||
d54b1fdb | 370 | static const struct file_operations drvinfo_fops = { |
f222313a JL |
371 | .read = drvinfo_read_file, |
372 | .write = write_file_dummy, | |
373 | .open = open_file_generic, | |
374 | }; | |
375 | ||
d54b1fdb | 376 | static const struct file_operations tsf_fops = { |
f222313a JL |
377 | .read = tsf_read_file, |
378 | .write = tsf_write_file, | |
379 | .open = open_file_generic, | |
380 | }; | |
381 | ||
d54b1fdb | 382 | static const struct file_operations txstat_fops = { |
f222313a JL |
383 | .read = txstat_read_file, |
384 | .write = write_file_dummy, | |
385 | .open = open_file_generic, | |
386 | }; | |
387 | ||
d54b1fdb | 388 | static const struct file_operations restart_fops = { |
58e5528e MB |
389 | .write = restart_write_file, |
390 | .open = open_file_generic, | |
391 | }; | |
392 | ||
f222313a JL |
393 | |
394 | void bcm43xx_debugfs_add_device(struct bcm43xx_private *bcm) | |
395 | { | |
396 | struct bcm43xx_dfsentry *e; | |
397 | char devdir[IFNAMSIZ]; | |
398 | ||
399 | assert(bcm); | |
400 | e = kzalloc(sizeof(*e), GFP_KERNEL); | |
401 | if (!e) { | |
402 | printk(KERN_ERR PFX "out of memory\n"); | |
403 | return; | |
404 | } | |
405 | e->bcm = bcm; | |
406 | e->xmitstatus_buffer = kzalloc(BCM43xx_NR_LOGGED_XMITSTATUS | |
407 | * sizeof(*(e->xmitstatus_buffer)), | |
408 | GFP_KERNEL); | |
409 | if (!e->xmitstatus_buffer) { | |
410 | printk(KERN_ERR PFX "out of memory\n"); | |
411 | kfree(e); | |
412 | return; | |
413 | } | |
414 | e->xmitstatus_print_buffer = kzalloc(BCM43xx_NR_LOGGED_XMITSTATUS | |
415 | * sizeof(*(e->xmitstatus_buffer)), | |
416 | GFP_KERNEL); | |
417 | if (!e->xmitstatus_print_buffer) { | |
418 | printk(KERN_ERR PFX "out of memory\n"); | |
419 | kfree(e); | |
420 | return; | |
421 | } | |
422 | ||
423 | ||
424 | bcm->dfsentry = e; | |
425 | ||
426 | strncpy(devdir, bcm->net_dev->name, ARRAY_SIZE(devdir)); | |
427 | e->subdir = debugfs_create_dir(devdir, fs.root); | |
428 | e->dentry_devinfo = debugfs_create_file("devinfo", 0444, e->subdir, | |
429 | bcm, &devinfo_fops); | |
430 | if (!e->dentry_devinfo) | |
431 | printk(KERN_ERR PFX "debugfs: creating \"devinfo\" for \"%s\" failed!\n", devdir); | |
432 | e->dentry_spromdump = debugfs_create_file("sprom_dump", 0444, e->subdir, | |
433 | bcm, &spromdump_fops); | |
434 | if (!e->dentry_spromdump) | |
435 | printk(KERN_ERR PFX "debugfs: creating \"sprom_dump\" for \"%s\" failed!\n", devdir); | |
436 | e->dentry_tsf = debugfs_create_file("tsf", 0666, e->subdir, | |
437 | bcm, &tsf_fops); | |
438 | if (!e->dentry_tsf) | |
439 | printk(KERN_ERR PFX "debugfs: creating \"tsf\" for \"%s\" failed!\n", devdir); | |
440 | e->dentry_txstat = debugfs_create_file("tx_status", 0444, e->subdir, | |
441 | bcm, &txstat_fops); | |
442 | if (!e->dentry_txstat) | |
443 | printk(KERN_ERR PFX "debugfs: creating \"tx_status\" for \"%s\" failed!\n", devdir); | |
58e5528e MB |
444 | e->dentry_restart = debugfs_create_file("restart", 0222, e->subdir, |
445 | bcm, &restart_fops); | |
446 | if (!e->dentry_restart) | |
447 | printk(KERN_ERR PFX "debugfs: creating \"restart\" for \"%s\" failed!\n", devdir); | |
f222313a JL |
448 | } |
449 | ||
450 | void bcm43xx_debugfs_remove_device(struct bcm43xx_private *bcm) | |
451 | { | |
452 | struct bcm43xx_dfsentry *e; | |
453 | ||
454 | if (!bcm) | |
455 | return; | |
456 | ||
457 | e = bcm->dfsentry; | |
458 | assert(e); | |
459 | debugfs_remove(e->dentry_spromdump); | |
460 | debugfs_remove(e->dentry_devinfo); | |
461 | debugfs_remove(e->dentry_tsf); | |
462 | debugfs_remove(e->dentry_txstat); | |
58e5528e | 463 | debugfs_remove(e->dentry_restart); |
f222313a JL |
464 | debugfs_remove(e->subdir); |
465 | kfree(e->xmitstatus_buffer); | |
466 | kfree(e->xmitstatus_print_buffer); | |
467 | kfree(e); | |
468 | } | |
469 | ||
470 | void bcm43xx_debugfs_log_txstat(struct bcm43xx_private *bcm, | |
471 | struct bcm43xx_xmitstatus *status) | |
472 | { | |
473 | struct bcm43xx_dfsentry *e; | |
474 | struct bcm43xx_xmitstatus *savedstatus; | |
475 | ||
efccb647 | 476 | /* This is protected by bcm->_lock */ |
f222313a JL |
477 | e = bcm->dfsentry; |
478 | assert(e); | |
479 | savedstatus = e->xmitstatus_buffer + e->xmitstatus_ptr; | |
480 | memcpy(savedstatus, status, sizeof(*status)); | |
481 | e->xmitstatus_ptr++; | |
482 | if (e->xmitstatus_ptr >= BCM43xx_NR_LOGGED_XMITSTATUS) | |
483 | e->xmitstatus_ptr = 0; | |
484 | if (e->xmitstatus_cnt < BCM43xx_NR_LOGGED_XMITSTATUS) | |
485 | e->xmitstatus_cnt++; | |
486 | } | |
487 | ||
488 | void bcm43xx_debugfs_init(void) | |
489 | { | |
490 | memset(&fs, 0, sizeof(fs)); | |
65f3f191 | 491 | fs.root = debugfs_create_dir(KBUILD_MODNAME, NULL); |
f222313a | 492 | if (!fs.root) |
65f3f191 | 493 | printk(KERN_ERR PFX "debugfs: creating \"" KBUILD_MODNAME "\" subdir failed!\n"); |
f222313a JL |
494 | fs.dentry_driverinfo = debugfs_create_file("driver", 0444, fs.root, NULL, &drvinfo_fops); |
495 | if (!fs.dentry_driverinfo) | |
65f3f191 | 496 | printk(KERN_ERR PFX "debugfs: creating \"" KBUILD_MODNAME "/driver\" failed!\n"); |
f222313a JL |
497 | } |
498 | ||
499 | void bcm43xx_debugfs_exit(void) | |
500 | { | |
501 | debugfs_remove(fs.dentry_driverinfo); | |
502 | debugfs_remove(fs.root); | |
503 | } | |
504 | ||
505 | void bcm43xx_printk_dump(const char *data, | |
506 | size_t size, | |
507 | const char *description) | |
508 | { | |
509 | size_t i; | |
510 | char c; | |
511 | ||
4c6f749f | 512 | printk(KERN_INFO PFX "Data dump (%s, %zd bytes):", |
f222313a JL |
513 | description, size); |
514 | for (i = 0; i < size; i++) { | |
515 | c = data[i]; | |
516 | if (i % 8 == 0) | |
4c6f749f | 517 | printk("\n" KERN_INFO PFX "0x%08zx: 0x%02x, ", i, c & 0xff); |
f222313a JL |
518 | else |
519 | printk("0x%02x, ", c & 0xff); | |
520 | } | |
521 | printk("\n"); | |
522 | } | |
523 | ||
524 | void bcm43xx_printk_bitdump(const unsigned char *data, | |
525 | size_t bytes, int msb_to_lsb, | |
526 | const char *description) | |
527 | { | |
528 | size_t i; | |
529 | int j; | |
530 | const unsigned char *d; | |
531 | ||
4c6f749f | 532 | printk(KERN_INFO PFX "*** Bitdump (%s, %zd bytes, %s) ***", |
f222313a JL |
533 | description, bytes, msb_to_lsb ? "MSB to LSB" : "LSB to MSB"); |
534 | for (i = 0; i < bytes; i++) { | |
535 | d = data + i; | |
536 | if (i % 8 == 0) | |
4c6f749f | 537 | printk("\n" KERN_INFO PFX "0x%08zx: ", i); |
f222313a JL |
538 | if (msb_to_lsb) { |
539 | for (j = 7; j >= 0; j--) { | |
540 | if (*d & (1 << j)) | |
541 | printk("1"); | |
542 | else | |
543 | printk("0"); | |
544 | } | |
545 | } else { | |
546 | for (j = 0; j < 8; j++) { | |
547 | if (*d & (1 << j)) | |
548 | printk("1"); | |
549 | else | |
550 | printk("0"); | |
551 | } | |
552 | } | |
553 | printk(" "); | |
554 | } | |
555 | printk("\n"); | |
556 | } |