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misc: genwqe: Fix format string mismatch in card_debugfs.c
[deliverable/linux.git] / drivers / misc / genwqe / card_debugfs.c
CommitLineData
c59330cd
FH		 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>
c59330cd
FH		 29#include <linux/debugfs.h>
30#include <linux/seq_file.h>
31#include <linux/uaccess.h>
32
33#include "card_base.h"
34#include "card_ddcb.h"
35
36#define GENWQE_DEBUGFS_RO(_name, _showfn) \
37 static int genwqe_debugfs_##_name##_open(struct inode *inode, \
38 struct file *file) \
39 { \
40 return single_open(file, _showfn, inode->i_private); \
41 } \
42 static const struct file_operations genwqe_##_name##_fops = { \
43 .open = genwqe_debugfs_##_name##_open, \
44 .read = seq_read, \
45 .llseek = seq_lseek, \
46 .release = single_release, \
47 }
48
49static void dbg_uidn_show(struct seq_file *s, struct genwqe_reg *regs,
50 int entries)
51{
52 unsigned int i;
53 u32 v_hi, v_lo;
54
55 for (i = 0; i < entries; i++) {
56 v_hi = (regs[i].val >> 32) & 0xffffffff;
57 v_lo = (regs[i].val) & 0xffffffff;
58
59 seq_printf(s, " 0x%08x 0x%08x 0x%08x 0x%08x EXT_ERR_REC\n",
60 regs[i].addr, regs[i].idx, v_hi, v_lo);
61 }
62}
63
64static int curr_dbg_uidn_show(struct seq_file *s, void *unused, int uid)
65{
66 struct genwqe_dev *cd = s->private;
67 int entries;
68 struct genwqe_reg *regs;
69
70 entries = genwqe_ffdc_buff_size(cd, uid);
71 if (entries < 0)
72 return -EINVAL;
73
74 if (entries == 0)
75 return 0;
76
77 regs = kcalloc(entries, sizeof(*regs), GFP_KERNEL);
78 if (regs == NULL)
79 return -ENOMEM;
80
81 genwqe_stop_traps(cd); /* halt the traps while dumping data */
82 genwqe_ffdc_buff_read(cd, uid, regs, entries);
83 genwqe_start_traps(cd);
84
85 dbg_uidn_show(s, regs, entries);
86 kfree(regs);
87 return 0;
88}
89
90static int genwqe_curr_dbg_uid0_show(struct seq_file *s, void *unused)
91{
92 return curr_dbg_uidn_show(s, unused, 0);
93}
94
95GENWQE_DEBUGFS_RO(curr_dbg_uid0, genwqe_curr_dbg_uid0_show);
96
97static int genwqe_curr_dbg_uid1_show(struct seq_file *s, void *unused)
98{
99 return curr_dbg_uidn_show(s, unused, 1);
100}
101
102GENWQE_DEBUGFS_RO(curr_dbg_uid1, genwqe_curr_dbg_uid1_show);
103
104static int genwqe_curr_dbg_uid2_show(struct seq_file *s, void *unused)
105{
106 return curr_dbg_uidn_show(s, unused, 2);
107}
108
109GENWQE_DEBUGFS_RO(curr_dbg_uid2, genwqe_curr_dbg_uid2_show);
110
111static int prev_dbg_uidn_show(struct seq_file *s, void *unused, int uid)
112{
113 struct genwqe_dev *cd = s->private;
114
115 dbg_uidn_show(s, cd->ffdc[uid].regs, cd->ffdc[uid].entries);
116 return 0;
117}
118
119static int genwqe_prev_dbg_uid0_show(struct seq_file *s, void *unused)
120{
121 return prev_dbg_uidn_show(s, unused, 0);
122}
123
124GENWQE_DEBUGFS_RO(prev_dbg_uid0, genwqe_prev_dbg_uid0_show);
125
126static int genwqe_prev_dbg_uid1_show(struct seq_file *s, void *unused)
127{
128 return prev_dbg_uidn_show(s, unused, 1);
129}
130
131GENWQE_DEBUGFS_RO(prev_dbg_uid1, genwqe_prev_dbg_uid1_show);
132
133static int genwqe_prev_dbg_uid2_show(struct seq_file *s, void *unused)
134{
135 return prev_dbg_uidn_show(s, unused, 2);
136}
137
138GENWQE_DEBUGFS_RO(prev_dbg_uid2, genwqe_prev_dbg_uid2_show);
139
140static int genwqe_curr_regs_show(struct seq_file *s, void *unused)
141{
142 struct genwqe_dev *cd = s->private;
143 unsigned int i;
144 struct genwqe_reg *regs;
145
146 regs = kcalloc(GENWQE_FFDC_REGS, sizeof(*regs), GFP_KERNEL);
147 if (regs == NULL)
148 return -ENOMEM;
149
150 genwqe_stop_traps(cd);
151 genwqe_read_ffdc_regs(cd, regs, GENWQE_FFDC_REGS, 1);
152 genwqe_start_traps(cd);
153
154 for (i = 0; i < GENWQE_FFDC_REGS; i++) {
155 if (regs[i].addr == 0xffffffff)
156 break; /* invalid entries */
157
158 if (regs[i].val == 0x0ull)
159 continue; /* do not print 0x0 FIRs */
160
161 seq_printf(s, " 0x%08x 0x%016llx\n",
162 regs[i].addr, regs[i].val);
163 }
164 return 0;
165}
166
167GENWQE_DEBUGFS_RO(curr_regs, genwqe_curr_regs_show);
168
169static int genwqe_prev_regs_show(struct seq_file *s, void *unused)
170{
171 struct genwqe_dev *cd = s->private;
172 unsigned int i;
173 struct genwqe_reg *regs = cd->ffdc[GENWQE_DBG_REGS].regs;
174
175 if (regs == NULL)
176 return -EINVAL;
177
178 for (i = 0; i < GENWQE_FFDC_REGS; i++) {
179 if (regs[i].addr == 0xffffffff)
180 break; /* invalid entries */
181
182 if (regs[i].val == 0x0ull)
183 continue; /* do not print 0x0 FIRs */
184
185 seq_printf(s, " 0x%08x 0x%016llx\n",
186 regs[i].addr, regs[i].val);
187 }
188 return 0;
189}
190
191GENWQE_DEBUGFS_RO(prev_regs, genwqe_prev_regs_show);
192
193static int genwqe_jtimer_show(struct seq_file *s, void *unused)
194{
195 struct genwqe_dev *cd = s->private;
196 unsigned int vf_num;
197 u64 jtimer;
198
199 jtimer = genwqe_read_vreg(cd, IO_SLC_VF_APPJOB_TIMEOUT, 0);
200 seq_printf(s, " PF 0x%016llx %d msec\n", jtimer,
201 genwqe_pf_jobtimeout_msec);
202
203 for (vf_num = 0; vf_num < cd->num_vfs; vf_num++) {
204 jtimer = genwqe_read_vreg(cd, IO_SLC_VF_APPJOB_TIMEOUT,
205 vf_num + 1);
206 seq_printf(s, " VF%-2d 0x%016llx %d msec\n", vf_num, jtimer,
207 cd->vf_jobtimeout_msec[vf_num]);
208 }
209 return 0;
210}
211
212GENWQE_DEBUGFS_RO(jtimer, genwqe_jtimer_show);
213
214static int genwqe_queue_working_time_show(struct seq_file *s, void *unused)
215{
216 struct genwqe_dev *cd = s->private;
217 unsigned int vf_num;
218 u64 t;
219
220 t = genwqe_read_vreg(cd, IO_SLC_VF_QUEUE_WTIME, 0);
221 seq_printf(s, " PF 0x%016llx\n", t);
222
223 for (vf_num = 0; vf_num < cd->num_vfs; vf_num++) {
224 t = genwqe_read_vreg(cd, IO_SLC_VF_QUEUE_WTIME, vf_num + 1);
225 seq_printf(s, " VF%-2d 0x%016llx\n", vf_num, t);
226 }
227 return 0;
228}
229
230GENWQE_DEBUGFS_RO(queue_working_time, genwqe_queue_working_time_show);
231
232static int genwqe_ddcb_info_show(struct seq_file *s, void *unused)
233{
234 struct genwqe_dev *cd = s->private;
235 unsigned int i;
236 struct ddcb_queue *queue;
237 struct ddcb *pddcb;
238
239 queue = &cd->queue;
240 seq_puts(s, "DDCB QUEUE:\n");
241 seq_printf(s, " ddcb_max: %d\n"
242 " ddcb_daddr: %016llx - %016llx\n"
243 " ddcb_vaddr: %016llx\n"
244 " ddcbs_in_flight: %u\n"
245 " ddcbs_max_in_flight: %u\n"
246 " ddcbs_completed: %u\n"
247 " busy: %u\n"
248 " irqs_processed: %u\n",
249 queue->ddcb_max, (long long)queue->ddcb_daddr,
250 (long long)queue->ddcb_daddr +
251 (queue->ddcb_max * DDCB_LENGTH),
252 (long long)queue->ddcb_vaddr, queue->ddcbs_in_flight,
253 queue->ddcbs_max_in_flight, queue->ddcbs_completed,
254 queue->busy, cd->irqs_processed);
255
256 /* Hardware State */
257 seq_printf(s, " 0x%08x 0x%016llx IO_QUEUE_CONFIG\n"
258 " 0x%08x 0x%016llx IO_QUEUE_STATUS\n"
259 " 0x%08x 0x%016llx IO_QUEUE_SEGMENT\n"
260 " 0x%08x 0x%016llx IO_QUEUE_INITSQN\n"
261 " 0x%08x 0x%016llx IO_QUEUE_WRAP\n"
262 " 0x%08x 0x%016llx IO_QUEUE_OFFSET\n"
263 " 0x%08x 0x%016llx IO_QUEUE_WTIME\n"
264 " 0x%08x 0x%016llx IO_QUEUE_ERRCNTS\n"
265 " 0x%08x 0x%016llx IO_QUEUE_LRW\n",
266 queue->IO_QUEUE_CONFIG,
267 __genwqe_readq(cd, queue->IO_QUEUE_CONFIG),
268 queue->IO_QUEUE_STATUS,
269 __genwqe_readq(cd, queue->IO_QUEUE_STATUS),
270 queue->IO_QUEUE_SEGMENT,
271 __genwqe_readq(cd, queue->IO_QUEUE_SEGMENT),
272 queue->IO_QUEUE_INITSQN,
273 __genwqe_readq(cd, queue->IO_QUEUE_INITSQN),
274 queue->IO_QUEUE_WRAP,
275 __genwqe_readq(cd, queue->IO_QUEUE_WRAP),
276 queue->IO_QUEUE_OFFSET,
277 __genwqe_readq(cd, queue->IO_QUEUE_OFFSET),
278 queue->IO_QUEUE_WTIME,
279 __genwqe_readq(cd, queue->IO_QUEUE_WTIME),
280 queue->IO_QUEUE_ERRCNTS,
281 __genwqe_readq(cd, queue->IO_QUEUE_ERRCNTS),
282 queue->IO_QUEUE_LRW,
283 __genwqe_readq(cd, queue->IO_QUEUE_LRW));
284
285 seq_printf(s, "DDCB list (ddcb_act=%d/ddcb_next=%d):\n",
286 queue->ddcb_act, queue->ddcb_next);
287
288 pddcb = queue->ddcb_vaddr;
289 for (i = 0; i < queue->ddcb_max; i++) {
290 seq_printf(s, " %-3d: RETC=%03x SEQ=%04x HSI/SHI=%02x/%02x ",
291 i, be16_to_cpu(pddcb->retc_16),
292 be16_to_cpu(pddcb->seqnum_16),
293 pddcb->hsi, pddcb->shi);
294 seq_printf(s, "PRIV=%06llx CMD=%02x\n",
295 be64_to_cpu(pddcb->priv_64), pddcb->cmd);
296 pddcb++;
297 }
298 return 0;
299}
300
301GENWQE_DEBUGFS_RO(ddcb_info, genwqe_ddcb_info_show);
302
303static int genwqe_info_show(struct seq_file *s, void *unused)
304{
305 struct genwqe_dev *cd = s->private;
306 u16 val16, type;
307 u64 app_id, slu_id, bitstream = -1;
308 struct pci_dev *pci_dev = cd->pci_dev;
309
310 slu_id = __genwqe_readq(cd, IO_SLU_UNITCFG);
311 app_id = __genwqe_readq(cd, IO_APP_UNITCFG);
312
313 if (genwqe_is_privileged(cd))
314 bitstream = __genwqe_readq(cd, IO_SLU_BITSTREAM);
315
316 val16 = (u16)(slu_id & 0x0fLLU);
317 type = (u16)((slu_id >> 20) & 0xffLLU);
318
319 seq_printf(s, "%s driver version: %s\n"
320 " Device Name/Type: %s %s CardIdx: %d\n"
321 " SLU/APP Config : 0x%016llx/0x%016llx\n"
322 " Build Date : %u/%x/%u\n"
323 " Base Clock : %u MHz\n"
324 " Arch/SVN Release: %u/%llx\n"
325 " Bitstream : %llx\n",
326 GENWQE_DEVNAME, DRV_VERS_STRING, dev_name(&pci_dev->dev),
327 genwqe_is_privileged(cd) ?
328 "Physical" : "Virtual or no SR-IOV",
329 cd->card_idx, slu_id, app_id,
330 (u16)((slu_id >> 12) & 0x0fLLU), /* month */
331 (u16)((slu_id >> 4) & 0xffLLU), /* day */
332 (u16)((slu_id >> 16) & 0x0fLLU) + 2010, /* year */
333 genwqe_base_clock_frequency(cd),
334 (u16)((slu_id >> 32) & 0xffLLU), slu_id >> 40,
335 bitstream);
336
337 return 0;
338}
339
340GENWQE_DEBUGFS_RO(info, genwqe_info_show);
341
342int genwqe_init_debugfs(struct genwqe_dev *cd)
343{
344 struct dentry *root;
345 struct dentry *file;
346 int ret;
347 char card_name[64];
348 char name[64];
349 unsigned int i;
350
32d9dbe3 351 sprintf(card_name, "%s%d_card", GENWQE_DEVNAME, cd->card_idx);
c59330cd
FH		 352
353 root = debugfs_create_dir(card_name, cd->debugfs_genwqe);
354 if (!root) {
355 ret = -ENOMEM;
356 goto err0;
357 }
358
359 /* non privileged interfaces are done here */
360 file = debugfs_create_file("ddcb_info", S_IRUGO, root, cd,
361 &genwqe_ddcb_info_fops);
362 if (!file) {
363 ret = -ENOMEM;
364 goto err1;
365 }
366
367 file = debugfs_create_file("info", S_IRUGO, root, cd,
368 &genwqe_info_fops);
369 if (!file) {
370 ret = -ENOMEM;
371 goto err1;
372 }
373
374 file = debugfs_create_x64("err_inject", 0666, root, &cd->err_inject);
375 if (!file) {
376 ret = -ENOMEM;
377 goto err1;
378 }
379
380 file = debugfs_create_u32("ddcb_software_timeout", 0666, root,
381 &cd->ddcb_software_timeout);
382 if (!file) {
383 ret = -ENOMEM;
384 goto err1;
385 }
386
387 file = debugfs_create_u32("kill_timeout", 0666, root,
388 &cd->kill_timeout);
389 if (!file) {
390 ret = -ENOMEM;
391 goto err1;
392 }
393
394 /* privileged interfaces follow here */
395 if (!genwqe_is_privileged(cd)) {
396 cd->debugfs_root = root;
397 return 0;
398 }
399
400 file = debugfs_create_file("curr_regs", S_IRUGO, root, cd,
401 &genwqe_curr_regs_fops);
402 if (!file) {
403 ret = -ENOMEM;
404 goto err1;
405 }
406
407 file = debugfs_create_file("curr_dbg_uid0", S_IRUGO, root, cd,
408 &genwqe_curr_dbg_uid0_fops);
409 if (!file) {
410 ret = -ENOMEM;
411 goto err1;
412 }
413
414 file = debugfs_create_file("curr_dbg_uid1", S_IRUGO, root, cd,
415 &genwqe_curr_dbg_uid1_fops);
416 if (!file) {
417 ret = -ENOMEM;
418 goto err1;
419 }
420
421 file = debugfs_create_file("curr_dbg_uid2", S_IRUGO, root, cd,
422 &genwqe_curr_dbg_uid2_fops);
423 if (!file) {
424 ret = -ENOMEM;
425 goto err1;
426 }
427
428 file = debugfs_create_file("prev_regs", S_IRUGO, root, cd,
429 &genwqe_prev_regs_fops);
430 if (!file) {
431 ret = -ENOMEM;
432 goto err1;
433 }
434
435 file = debugfs_create_file("prev_dbg_uid0", S_IRUGO, root, cd,
436 &genwqe_prev_dbg_uid0_fops);
437 if (!file) {
438 ret = -ENOMEM;
439 goto err1;
440 }
441
442 file = debugfs_create_file("prev_dbg_uid1", S_IRUGO, root, cd,
443 &genwqe_prev_dbg_uid1_fops);
444 if (!file) {
445 ret = -ENOMEM;
446 goto err1;
447 }
448
449 file = debugfs_create_file("prev_dbg_uid2", S_IRUGO, root, cd,
450 &genwqe_prev_dbg_uid2_fops);
451 if (!file) {
452 ret = -ENOMEM;
453 goto err1;
454 }
455
456 for (i = 0; i < GENWQE_MAX_VFS; i++) {
32d9dbe3 457 sprintf(name, "vf%u_jobtimeout_msec", i);
c59330cd
FH		 458
459 file = debugfs_create_u32(name, 0666, root,
460 &cd->vf_jobtimeout_msec[i]);
461 if (!file) {
462 ret = -ENOMEM;
463 goto err1;
464 }
465 }
466
467 file = debugfs_create_file("jobtimer", S_IRUGO, root, cd,
468 &genwqe_jtimer_fops);
469 if (!file) {
470 ret = -ENOMEM;
471 goto err1;
472 }
473
474 file = debugfs_create_file("queue_working_time", S_IRUGO, root, cd,
475 &genwqe_queue_working_time_fops);
476 if (!file) {
477 ret = -ENOMEM;
478 goto err1;
479 }
480
481 file = debugfs_create_u32("skip_recovery", 0666, root,
482 &cd->skip_recovery);
483 if (!file) {
484 ret = -ENOMEM;
485 goto err1;
486 }
487
488 cd->debugfs_root = root;
489 return 0;
490err1:
491 debugfs_remove_recursive(root);
492err0:
493 return ret;
494}
495
496void genqwe_exit_debugfs(struct genwqe_dev *cd)
497{
498 debugfs_remove_recursive(cd->debugfs_root);
499}
Linux kernel - Deliverables
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