diff options
author | Frank Haverkamp <haver@linux.vnet.ibm.com> | 2013-12-09 07:30:42 -0500 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-18 19:51:15 -0500 |
commit | c59330cd7c15d550c4edbb8cd49d48e6d65ed47f (patch) | |
tree | e7447d7a2b6434f647ccc8c2b5429640463a49b3 /drivers/misc/genwqe | |
parent | 67f4addbb8fe68b9de8e8042c5367bd17db36520 (diff) |
GenWQE Debugfs interfaces
Debugfs interfaces for the GenWQE card. Help to debug potential
problems. Dump internal chip state for debugging and failure
determination.
Signed-off-by: Frank Haverkamp <haver@linux.vnet.ibm.com>
Co-authors: Joerg-Stephan Vogt <jsvogt@de.ibm.com>,
Michael Jung <MIJUNG@de.ibm.com>,
Michael Ruettger <michael@ibmra.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/genwqe')
-rw-r--r-- | drivers/misc/genwqe/card_debugfs.c | 500 |
1 files changed, 500 insertions, 0 deletions
diff --git a/drivers/misc/genwqe/card_debugfs.c b/drivers/misc/genwqe/card_debugfs.c new file mode 100644 index 000000000000..3bfdc07a7248 --- /dev/null +++ b/drivers/misc/genwqe/card_debugfs.c | |||
@@ -0,0 +1,500 @@ | |||
1 | /** | ||
2 | * IBM Accelerator Family 'GenWQE' | ||
3 | * | ||
4 | * (C) Copyright IBM Corp. 2013 | ||
5 | * | ||
6 | * Author: Frank Haverkamp <haver@linux.vnet.ibm.com> | ||
7 | * Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com> | ||
8 | * Author: Michael Jung <mijung@de.ibm.com> | ||
9 | * Author: Michael Ruettger <michael@ibmra.de> | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or modify | ||
12 | * it under the terms of the GNU General Public License (version 2 only) | ||
13 | * as published by the Free Software Foundation. | ||
14 | * | ||
15 | * This program is distributed in the hope that it will be useful, | ||
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
18 | * GNU General Public License for more details. | ||
19 | */ | ||
20 | |||
21 | /* | ||
22 | * Debugfs interfaces for the GenWQE card. Help to debug potential | ||
23 | * problems. Dump internal chip state for debugging and failure | ||
24 | * determination. | ||
25 | */ | ||
26 | |||
27 | #include <linux/module.h> | ||
28 | #include <linux/kernel.h> | ||
29 | #include <linux/init.h> | ||
30 | #include <linux/debugfs.h> | ||
31 | #include <linux/seq_file.h> | ||
32 | #include <linux/uaccess.h> | ||
33 | |||
34 | #include "card_base.h" | ||
35 | #include "card_ddcb.h" | ||
36 | |||
37 | #define GENWQE_DEBUGFS_RO(_name, _showfn) \ | ||
38 | static int genwqe_debugfs_##_name##_open(struct inode *inode, \ | ||
39 | struct file *file) \ | ||
40 | { \ | ||
41 | return single_open(file, _showfn, inode->i_private); \ | ||
42 | } \ | ||
43 | static const struct file_operations genwqe_##_name##_fops = { \ | ||
44 | .open = genwqe_debugfs_##_name##_open, \ | ||
45 | .read = seq_read, \ | ||
46 | .llseek = seq_lseek, \ | ||
47 | .release = single_release, \ | ||
48 | } | ||
49 | |||
50 | static void dbg_uidn_show(struct seq_file *s, struct genwqe_reg *regs, | ||
51 | int entries) | ||
52 | { | ||
53 | unsigned int i; | ||
54 | u32 v_hi, v_lo; | ||
55 | |||
56 | for (i = 0; i < entries; i++) { | ||
57 | v_hi = (regs[i].val >> 32) & 0xffffffff; | ||
58 | v_lo = (regs[i].val) & 0xffffffff; | ||
59 | |||
60 | seq_printf(s, " 0x%08x 0x%08x 0x%08x 0x%08x EXT_ERR_REC\n", | ||
61 | regs[i].addr, regs[i].idx, v_hi, v_lo); | ||
62 | } | ||
63 | } | ||
64 | |||
65 | static int curr_dbg_uidn_show(struct seq_file *s, void *unused, int uid) | ||
66 | { | ||
67 | struct genwqe_dev *cd = s->private; | ||
68 | int entries; | ||
69 | struct genwqe_reg *regs; | ||
70 | |||
71 | entries = genwqe_ffdc_buff_size(cd, uid); | ||
72 | if (entries < 0) | ||
73 | return -EINVAL; | ||
74 | |||
75 | if (entries == 0) | ||
76 | return 0; | ||
77 | |||
78 | regs = kcalloc(entries, sizeof(*regs), GFP_KERNEL); | ||
79 | if (regs == NULL) | ||
80 | return -ENOMEM; | ||
81 | |||
82 | genwqe_stop_traps(cd); /* halt the traps while dumping data */ | ||
83 | genwqe_ffdc_buff_read(cd, uid, regs, entries); | ||
84 | genwqe_start_traps(cd); | ||
85 | |||
86 | dbg_uidn_show(s, regs, entries); | ||
87 | kfree(regs); | ||
88 | return 0; | ||
89 | } | ||
90 | |||
91 | static int genwqe_curr_dbg_uid0_show(struct seq_file *s, void *unused) | ||
92 | { | ||
93 | return curr_dbg_uidn_show(s, unused, 0); | ||
94 | } | ||
95 | |||
96 | GENWQE_DEBUGFS_RO(curr_dbg_uid0, genwqe_curr_dbg_uid0_show); | ||
97 | |||
98 | static int genwqe_curr_dbg_uid1_show(struct seq_file *s, void *unused) | ||
99 | { | ||
100 | return curr_dbg_uidn_show(s, unused, 1); | ||
101 | } | ||
102 | |||
103 | GENWQE_DEBUGFS_RO(curr_dbg_uid1, genwqe_curr_dbg_uid1_show); | ||
104 | |||
105 | static int genwqe_curr_dbg_uid2_show(struct seq_file *s, void *unused) | ||
106 | { | ||
107 | return curr_dbg_uidn_show(s, unused, 2); | ||
108 | } | ||
109 | |||
110 | GENWQE_DEBUGFS_RO(curr_dbg_uid2, genwqe_curr_dbg_uid2_show); | ||
111 | |||
112 | static int prev_dbg_uidn_show(struct seq_file *s, void *unused, int uid) | ||
113 | { | ||
114 | struct genwqe_dev *cd = s->private; | ||
115 | |||
116 | dbg_uidn_show(s, cd->ffdc[uid].regs, cd->ffdc[uid].entries); | ||
117 | return 0; | ||
118 | } | ||
119 | |||
120 | static int genwqe_prev_dbg_uid0_show(struct seq_file *s, void *unused) | ||
121 | { | ||
122 | return prev_dbg_uidn_show(s, unused, 0); | ||
123 | } | ||
124 | |||
125 | GENWQE_DEBUGFS_RO(prev_dbg_uid0, genwqe_prev_dbg_uid0_show); | ||
126 | |||
127 | static int genwqe_prev_dbg_uid1_show(struct seq_file *s, void *unused) | ||
128 | { | ||
129 | return prev_dbg_uidn_show(s, unused, 1); | ||
130 | } | ||
131 | |||
132 | GENWQE_DEBUGFS_RO(prev_dbg_uid1, genwqe_prev_dbg_uid1_show); | ||
133 | |||
134 | static int genwqe_prev_dbg_uid2_show(struct seq_file *s, void *unused) | ||
135 | { | ||
136 | return prev_dbg_uidn_show(s, unused, 2); | ||
137 | } | ||
138 | |||
139 | GENWQE_DEBUGFS_RO(prev_dbg_uid2, genwqe_prev_dbg_uid2_show); | ||
140 | |||
141 | static int genwqe_curr_regs_show(struct seq_file *s, void *unused) | ||
142 | { | ||
143 | struct genwqe_dev *cd = s->private; | ||
144 | unsigned int i; | ||
145 | struct genwqe_reg *regs; | ||
146 | |||
147 | regs = kcalloc(GENWQE_FFDC_REGS, sizeof(*regs), GFP_KERNEL); | ||
148 | if (regs == NULL) | ||
149 | return -ENOMEM; | ||
150 | |||
151 | genwqe_stop_traps(cd); | ||
152 | genwqe_read_ffdc_regs(cd, regs, GENWQE_FFDC_REGS, 1); | ||
153 | genwqe_start_traps(cd); | ||
154 | |||
155 | for (i = 0; i < GENWQE_FFDC_REGS; i++) { | ||
156 | if (regs[i].addr == 0xffffffff) | ||
157 | break; /* invalid entries */ | ||
158 | |||
159 | if (regs[i].val == 0x0ull) | ||
160 | continue; /* do not print 0x0 FIRs */ | ||
161 | |||
162 | seq_printf(s, " 0x%08x 0x%016llx\n", | ||
163 | regs[i].addr, regs[i].val); | ||
164 | } | ||
165 | return 0; | ||
166 | } | ||
167 | |||
168 | GENWQE_DEBUGFS_RO(curr_regs, genwqe_curr_regs_show); | ||
169 | |||
170 | static int genwqe_prev_regs_show(struct seq_file *s, void *unused) | ||
171 | { | ||
172 | struct genwqe_dev *cd = s->private; | ||
173 | unsigned int i; | ||
174 | struct genwqe_reg *regs = cd->ffdc[GENWQE_DBG_REGS].regs; | ||
175 | |||
176 | if (regs == NULL) | ||
177 | return -EINVAL; | ||
178 | |||
179 | for (i = 0; i < GENWQE_FFDC_REGS; i++) { | ||
180 | if (regs[i].addr == 0xffffffff) | ||
181 | break; /* invalid entries */ | ||
182 | |||
183 | if (regs[i].val == 0x0ull) | ||
184 | continue; /* do not print 0x0 FIRs */ | ||
185 | |||
186 | seq_printf(s, " 0x%08x 0x%016llx\n", | ||
187 | regs[i].addr, regs[i].val); | ||
188 | } | ||
189 | return 0; | ||
190 | } | ||
191 | |||
192 | GENWQE_DEBUGFS_RO(prev_regs, genwqe_prev_regs_show); | ||
193 | |||
194 | static int genwqe_jtimer_show(struct seq_file *s, void *unused) | ||
195 | { | ||
196 | struct genwqe_dev *cd = s->private; | ||
197 | unsigned int vf_num; | ||
198 | u64 jtimer; | ||
199 | |||
200 | jtimer = genwqe_read_vreg(cd, IO_SLC_VF_APPJOB_TIMEOUT, 0); | ||
201 | seq_printf(s, " PF 0x%016llx %d msec\n", jtimer, | ||
202 | genwqe_pf_jobtimeout_msec); | ||
203 | |||
204 | for (vf_num = 0; vf_num < cd->num_vfs; vf_num++) { | ||
205 | jtimer = genwqe_read_vreg(cd, IO_SLC_VF_APPJOB_TIMEOUT, | ||
206 | vf_num + 1); | ||
207 | seq_printf(s, " VF%-2d 0x%016llx %d msec\n", vf_num, jtimer, | ||
208 | cd->vf_jobtimeout_msec[vf_num]); | ||
209 | } | ||
210 | return 0; | ||
211 | } | ||
212 | |||
213 | GENWQE_DEBUGFS_RO(jtimer, genwqe_jtimer_show); | ||
214 | |||
215 | static int genwqe_queue_working_time_show(struct seq_file *s, void *unused) | ||
216 | { | ||
217 | struct genwqe_dev *cd = s->private; | ||
218 | unsigned int vf_num; | ||
219 | u64 t; | ||
220 | |||
221 | t = genwqe_read_vreg(cd, IO_SLC_VF_QUEUE_WTIME, 0); | ||
222 | seq_printf(s, " PF 0x%016llx\n", t); | ||
223 | |||
224 | for (vf_num = 0; vf_num < cd->num_vfs; vf_num++) { | ||
225 | t = genwqe_read_vreg(cd, IO_SLC_VF_QUEUE_WTIME, vf_num + 1); | ||
226 | seq_printf(s, " VF%-2d 0x%016llx\n", vf_num, t); | ||
227 | } | ||
228 | return 0; | ||
229 | } | ||
230 | |||
231 | GENWQE_DEBUGFS_RO(queue_working_time, genwqe_queue_working_time_show); | ||
232 | |||
233 | static int genwqe_ddcb_info_show(struct seq_file *s, void *unused) | ||
234 | { | ||
235 | struct genwqe_dev *cd = s->private; | ||
236 | unsigned int i; | ||
237 | struct ddcb_queue *queue; | ||
238 | struct ddcb *pddcb; | ||
239 | |||
240 | queue = &cd->queue; | ||
241 | seq_puts(s, "DDCB QUEUE:\n"); | ||
242 | seq_printf(s, " ddcb_max: %d\n" | ||
243 | " ddcb_daddr: %016llx - %016llx\n" | ||
244 | " ddcb_vaddr: %016llx\n" | ||
245 | " ddcbs_in_flight: %u\n" | ||
246 | " ddcbs_max_in_flight: %u\n" | ||
247 | " ddcbs_completed: %u\n" | ||
248 | " busy: %u\n" | ||
249 | " irqs_processed: %u\n", | ||
250 | queue->ddcb_max, (long long)queue->ddcb_daddr, | ||
251 | (long long)queue->ddcb_daddr + | ||
252 | (queue->ddcb_max * DDCB_LENGTH), | ||
253 | (long long)queue->ddcb_vaddr, queue->ddcbs_in_flight, | ||
254 | queue->ddcbs_max_in_flight, queue->ddcbs_completed, | ||
255 | queue->busy, cd->irqs_processed); | ||
256 | |||
257 | /* Hardware State */ | ||
258 | seq_printf(s, " 0x%08x 0x%016llx IO_QUEUE_CONFIG\n" | ||
259 | " 0x%08x 0x%016llx IO_QUEUE_STATUS\n" | ||
260 | " 0x%08x 0x%016llx IO_QUEUE_SEGMENT\n" | ||
261 | " 0x%08x 0x%016llx IO_QUEUE_INITSQN\n" | ||
262 | " 0x%08x 0x%016llx IO_QUEUE_WRAP\n" | ||
263 | " 0x%08x 0x%016llx IO_QUEUE_OFFSET\n" | ||
264 | " 0x%08x 0x%016llx IO_QUEUE_WTIME\n" | ||
265 | " 0x%08x 0x%016llx IO_QUEUE_ERRCNTS\n" | ||
266 | " 0x%08x 0x%016llx IO_QUEUE_LRW\n", | ||
267 | queue->IO_QUEUE_CONFIG, | ||
268 | __genwqe_readq(cd, queue->IO_QUEUE_CONFIG), | ||
269 | queue->IO_QUEUE_STATUS, | ||
270 | __genwqe_readq(cd, queue->IO_QUEUE_STATUS), | ||
271 | queue->IO_QUEUE_SEGMENT, | ||
272 | __genwqe_readq(cd, queue->IO_QUEUE_SEGMENT), | ||
273 | queue->IO_QUEUE_INITSQN, | ||
274 | __genwqe_readq(cd, queue->IO_QUEUE_INITSQN), | ||
275 | queue->IO_QUEUE_WRAP, | ||
276 | __genwqe_readq(cd, queue->IO_QUEUE_WRAP), | ||
277 | queue->IO_QUEUE_OFFSET, | ||
278 | __genwqe_readq(cd, queue->IO_QUEUE_OFFSET), | ||
279 | queue->IO_QUEUE_WTIME, | ||
280 | __genwqe_readq(cd, queue->IO_QUEUE_WTIME), | ||
281 | queue->IO_QUEUE_ERRCNTS, | ||
282 | __genwqe_readq(cd, queue->IO_QUEUE_ERRCNTS), | ||
283 | queue->IO_QUEUE_LRW, | ||
284 | __genwqe_readq(cd, queue->IO_QUEUE_LRW)); | ||
285 | |||
286 | seq_printf(s, "DDCB list (ddcb_act=%d/ddcb_next=%d):\n", | ||
287 | queue->ddcb_act, queue->ddcb_next); | ||
288 | |||
289 | pddcb = queue->ddcb_vaddr; | ||
290 | for (i = 0; i < queue->ddcb_max; i++) { | ||
291 | seq_printf(s, " %-3d: RETC=%03x SEQ=%04x HSI/SHI=%02x/%02x ", | ||
292 | i, be16_to_cpu(pddcb->retc_16), | ||
293 | be16_to_cpu(pddcb->seqnum_16), | ||
294 | pddcb->hsi, pddcb->shi); | ||
295 | seq_printf(s, "PRIV=%06llx CMD=%02x\n", | ||
296 | be64_to_cpu(pddcb->priv_64), pddcb->cmd); | ||
297 | pddcb++; | ||
298 | } | ||
299 | return 0; | ||
300 | } | ||
301 | |||
302 | GENWQE_DEBUGFS_RO(ddcb_info, genwqe_ddcb_info_show); | ||
303 | |||
304 | static int genwqe_info_show(struct seq_file *s, void *unused) | ||
305 | { | ||
306 | struct genwqe_dev *cd = s->private; | ||
307 | u16 val16, type; | ||
308 | u64 app_id, slu_id, bitstream = -1; | ||
309 | struct pci_dev *pci_dev = cd->pci_dev; | ||
310 | |||
311 | slu_id = __genwqe_readq(cd, IO_SLU_UNITCFG); | ||
312 | app_id = __genwqe_readq(cd, IO_APP_UNITCFG); | ||
313 | |||
314 | if (genwqe_is_privileged(cd)) | ||
315 | bitstream = __genwqe_readq(cd, IO_SLU_BITSTREAM); | ||
316 | |||
317 | val16 = (u16)(slu_id & 0x0fLLU); | ||
318 | type = (u16)((slu_id >> 20) & 0xffLLU); | ||
319 | |||
320 | seq_printf(s, "%s driver version: %s\n" | ||
321 | " Device Name/Type: %s %s CardIdx: %d\n" | ||
322 | " SLU/APP Config : 0x%016llx/0x%016llx\n" | ||
323 | " Build Date : %u/%x/%u\n" | ||
324 | " Base Clock : %u MHz\n" | ||
325 | " Arch/SVN Release: %u/%llx\n" | ||
326 | " Bitstream : %llx\n", | ||
327 | GENWQE_DEVNAME, DRV_VERS_STRING, dev_name(&pci_dev->dev), | ||
328 | genwqe_is_privileged(cd) ? | ||
329 | "Physical" : "Virtual or no SR-IOV", | ||
330 | cd->card_idx, slu_id, app_id, | ||
331 | (u16)((slu_id >> 12) & 0x0fLLU), /* month */ | ||
332 | (u16)((slu_id >> 4) & 0xffLLU), /* day */ | ||
333 | (u16)((slu_id >> 16) & 0x0fLLU) + 2010, /* year */ | ||
334 | genwqe_base_clock_frequency(cd), | ||
335 | (u16)((slu_id >> 32) & 0xffLLU), slu_id >> 40, | ||
336 | bitstream); | ||
337 | |||
338 | return 0; | ||
339 | } | ||
340 | |||
341 | GENWQE_DEBUGFS_RO(info, genwqe_info_show); | ||
342 | |||
343 | int genwqe_init_debugfs(struct genwqe_dev *cd) | ||
344 | { | ||
345 | struct dentry *root; | ||
346 | struct dentry *file; | ||
347 | int ret; | ||
348 | char card_name[64]; | ||
349 | char name[64]; | ||
350 | unsigned int i; | ||
351 | |||
352 | sprintf(card_name, "%s%u_card", GENWQE_DEVNAME, cd->card_idx); | ||
353 | |||
354 | root = debugfs_create_dir(card_name, cd->debugfs_genwqe); | ||
355 | if (!root) { | ||
356 | ret = -ENOMEM; | ||
357 | goto err0; | ||
358 | } | ||
359 | |||
360 | /* non privileged interfaces are done here */ | ||
361 | file = debugfs_create_file("ddcb_info", S_IRUGO, root, cd, | ||
362 | &genwqe_ddcb_info_fops); | ||
363 | if (!file) { | ||
364 | ret = -ENOMEM; | ||
365 | goto err1; | ||
366 | } | ||
367 | |||
368 | file = debugfs_create_file("info", S_IRUGO, root, cd, | ||
369 | &genwqe_info_fops); | ||
370 | if (!file) { | ||
371 | ret = -ENOMEM; | ||
372 | goto err1; | ||
373 | } | ||
374 | |||
375 | file = debugfs_create_x64("err_inject", 0666, root, &cd->err_inject); | ||
376 | if (!file) { | ||
377 | ret = -ENOMEM; | ||
378 | goto err1; | ||
379 | } | ||
380 | |||
381 | file = debugfs_create_u32("ddcb_software_timeout", 0666, root, | ||
382 | &cd->ddcb_software_timeout); | ||
383 | if (!file) { | ||
384 | ret = -ENOMEM; | ||
385 | goto err1; | ||
386 | } | ||
387 | |||
388 | file = debugfs_create_u32("kill_timeout", 0666, root, | ||
389 | &cd->kill_timeout); | ||
390 | if (!file) { | ||
391 | ret = -ENOMEM; | ||
392 | goto err1; | ||
393 | } | ||
394 | |||
395 | /* privileged interfaces follow here */ | ||
396 | if (!genwqe_is_privileged(cd)) { | ||
397 | cd->debugfs_root = root; | ||
398 | return 0; | ||
399 | } | ||
400 | |||
401 | file = debugfs_create_file("curr_regs", S_IRUGO, root, cd, | ||
402 | &genwqe_curr_regs_fops); | ||
403 | if (!file) { | ||
404 | ret = -ENOMEM; | ||
405 | goto err1; | ||
406 | } | ||
407 | |||
408 | file = debugfs_create_file("curr_dbg_uid0", S_IRUGO, root, cd, | ||
409 | &genwqe_curr_dbg_uid0_fops); | ||
410 | if (!file) { | ||
411 | ret = -ENOMEM; | ||
412 | goto err1; | ||
413 | } | ||
414 | |||
415 | file = debugfs_create_file("curr_dbg_uid1", S_IRUGO, root, cd, | ||
416 | &genwqe_curr_dbg_uid1_fops); | ||
417 | if (!file) { | ||
418 | ret = -ENOMEM; | ||
419 | goto err1; | ||
420 | } | ||
421 | |||
422 | file = debugfs_create_file("curr_dbg_uid2", S_IRUGO, root, cd, | ||
423 | &genwqe_curr_dbg_uid2_fops); | ||
424 | if (!file) { | ||
425 | ret = -ENOMEM; | ||
426 | goto err1; | ||
427 | } | ||
428 | |||
429 | file = debugfs_create_file("prev_regs", S_IRUGO, root, cd, | ||
430 | &genwqe_prev_regs_fops); | ||
431 | if (!file) { | ||
432 | ret = -ENOMEM; | ||
433 | goto err1; | ||
434 | } | ||
435 | |||
436 | file = debugfs_create_file("prev_dbg_uid0", S_IRUGO, root, cd, | ||
437 | &genwqe_prev_dbg_uid0_fops); | ||
438 | if (!file) { | ||
439 | ret = -ENOMEM; | ||
440 | goto err1; | ||
441 | } | ||
442 | |||
443 | file = debugfs_create_file("prev_dbg_uid1", S_IRUGO, root, cd, | ||
444 | &genwqe_prev_dbg_uid1_fops); | ||
445 | if (!file) { | ||
446 | ret = -ENOMEM; | ||
447 | goto err1; | ||
448 | } | ||
449 | |||
450 | file = debugfs_create_file("prev_dbg_uid2", S_IRUGO, root, cd, | ||
451 | &genwqe_prev_dbg_uid2_fops); | ||
452 | if (!file) { | ||
453 | ret = -ENOMEM; | ||
454 | goto err1; | ||
455 | } | ||
456 | |||
457 | for (i = 0; i < GENWQE_MAX_VFS; i++) { | ||
458 | sprintf(name, "vf%d_jobtimeout_msec", i); | ||
459 | |||
460 | file = debugfs_create_u32(name, 0666, root, | ||
461 | &cd->vf_jobtimeout_msec[i]); | ||
462 | if (!file) { | ||
463 | ret = -ENOMEM; | ||
464 | goto err1; | ||
465 | } | ||
466 | } | ||
467 | |||
468 | file = debugfs_create_file("jobtimer", S_IRUGO, root, cd, | ||
469 | &genwqe_jtimer_fops); | ||
470 | if (!file) { | ||
471 | ret = -ENOMEM; | ||
472 | goto err1; | ||
473 | } | ||
474 | |||
475 | file = debugfs_create_file("queue_working_time", S_IRUGO, root, cd, | ||
476 | &genwqe_queue_working_time_fops); | ||
477 | if (!file) { | ||
478 | ret = -ENOMEM; | ||
479 | goto err1; | ||
480 | } | ||
481 | |||
482 | file = debugfs_create_u32("skip_recovery", 0666, root, | ||
483 | &cd->skip_recovery); | ||
484 | if (!file) { | ||
485 | ret = -ENOMEM; | ||
486 | goto err1; | ||
487 | } | ||
488 | |||
489 | cd->debugfs_root = root; | ||
490 | return 0; | ||
491 | err1: | ||
492 | debugfs_remove_recursive(root); | ||
493 | err0: | ||
494 | return ret; | ||
495 | } | ||
496 | |||
497 | void genqwe_exit_debugfs(struct genwqe_dev *cd) | ||
498 | { | ||
499 | debugfs_remove_recursive(cd->debugfs_root); | ||
500 | } | ||