This source file includes following definitions.
- qla2x00_dfs_tgt_sess_show
- qla2x00_dfs_tgt_sess_open
- qla2x00_dfs_tgt_port_database_show
- qla2x00_dfs_tgt_port_database_open
- qla_dfs_fw_resource_cnt_show
- qla_dfs_fw_resource_cnt_open
- qla_dfs_tgt_counters_show
- qla_dfs_tgt_counters_open
- qla2x00_dfs_fce_show
- qla2x00_dfs_fce_open
- qla2x00_dfs_fce_release
- qla_dfs_naqp_show
- qla_dfs_naqp_open
- qla_dfs_naqp_write
- qla2x00_dfs_setup
- qla2x00_dfs_remove
1
2
3
4
5
6
7 #include "qla_def.h"
8
9 #include <linux/debugfs.h>
10 #include <linux/seq_file.h>
11
12 static struct dentry *qla2x00_dfs_root;
13 static atomic_t qla2x00_dfs_root_count;
14
15 static int
16 qla2x00_dfs_tgt_sess_show(struct seq_file *s, void *unused)
17 {
18 scsi_qla_host_t *vha = s->private;
19 struct qla_hw_data *ha = vha->hw;
20 unsigned long flags;
21 struct fc_port *sess = NULL;
22 struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
23
24 seq_printf(s, "%s\n", vha->host_str);
25 if (tgt) {
26 seq_puts(s, "Port ID Port Name Handle\n");
27
28 spin_lock_irqsave(&ha->tgt.sess_lock, flags);
29 list_for_each_entry(sess, &vha->vp_fcports, list)
30 seq_printf(s, "%02x:%02x:%02x %8phC %d\n",
31 sess->d_id.b.domain, sess->d_id.b.area,
32 sess->d_id.b.al_pa, sess->port_name,
33 sess->loop_id);
34 spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
35 }
36
37 return 0;
38 }
39
40 static int
41 qla2x00_dfs_tgt_sess_open(struct inode *inode, struct file *file)
42 {
43 scsi_qla_host_t *vha = inode->i_private;
44
45 return single_open(file, qla2x00_dfs_tgt_sess_show, vha);
46 }
47
48 static const struct file_operations dfs_tgt_sess_ops = {
49 .open = qla2x00_dfs_tgt_sess_open,
50 .read = seq_read,
51 .llseek = seq_lseek,
52 .release = single_release,
53 };
54
55 static int
56 qla2x00_dfs_tgt_port_database_show(struct seq_file *s, void *unused)
57 {
58 scsi_qla_host_t *vha = s->private;
59 struct qla_hw_data *ha = vha->hw;
60 struct gid_list_info *gid_list, *gid;
61 dma_addr_t gid_list_dma;
62 fc_port_t fc_port;
63 int rc, i;
64 uint16_t entries, loop_id;
65 struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
66
67 seq_printf(s, "%s\n", vha->host_str);
68 if (tgt) {
69 gid_list = dma_alloc_coherent(&ha->pdev->dev,
70 qla2x00_gid_list_size(ha),
71 &gid_list_dma, GFP_KERNEL);
72 if (!gid_list) {
73 ql_dbg(ql_dbg_user, vha, 0x7018,
74 "DMA allocation failed for %u\n",
75 qla2x00_gid_list_size(ha));
76 return 0;
77 }
78
79 rc = qla24xx_gidlist_wait(vha, gid_list, gid_list_dma,
80 &entries);
81 if (rc != QLA_SUCCESS)
82 goto out_free_id_list;
83
84 gid = gid_list;
85
86 seq_puts(s, "Port Name Port ID Loop ID\n");
87
88 for (i = 0; i < entries; i++) {
89 loop_id = le16_to_cpu(gid->loop_id);
90 memset(&fc_port, 0, sizeof(fc_port_t));
91
92 fc_port.loop_id = loop_id;
93
94 rc = qla24xx_gpdb_wait(vha, &fc_port, 0);
95 seq_printf(s, "%8phC %02x%02x%02x %d\n",
96 fc_port.port_name, fc_port.d_id.b.domain,
97 fc_port.d_id.b.area, fc_port.d_id.b.al_pa,
98 fc_port.loop_id);
99 gid = (void *)gid + ha->gid_list_info_size;
100 }
101 out_free_id_list:
102 dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
103 gid_list, gid_list_dma);
104 }
105
106 return 0;
107 }
108
109 static int
110 qla2x00_dfs_tgt_port_database_open(struct inode *inode, struct file *file)
111 {
112 scsi_qla_host_t *vha = inode->i_private;
113
114 return single_open(file, qla2x00_dfs_tgt_port_database_show, vha);
115 }
116
117 static const struct file_operations dfs_tgt_port_database_ops = {
118 .open = qla2x00_dfs_tgt_port_database_open,
119 .read = seq_read,
120 .llseek = seq_lseek,
121 .release = single_release,
122 };
123
124 static int
125 qla_dfs_fw_resource_cnt_show(struct seq_file *s, void *unused)
126 {
127 struct scsi_qla_host *vha = s->private;
128 uint16_t mb[MAX_IOCB_MB_REG];
129 int rc;
130
131 rc = qla24xx_res_count_wait(vha, mb, SIZEOF_IOCB_MB_REG);
132 if (rc != QLA_SUCCESS) {
133 seq_printf(s, "Mailbox Command failed %d, mb %#x", rc, mb[0]);
134 } else {
135 seq_puts(s, "FW Resource count\n\n");
136 seq_printf(s, "Original TGT exchg count[%d]\n", mb[1]);
137 seq_printf(s, "current TGT exchg count[%d]\n", mb[2]);
138 seq_printf(s, "original Initiator Exchange count[%d]\n", mb[3]);
139 seq_printf(s, "Current Initiator Exchange count[%d]\n", mb[6]);
140 seq_printf(s, "Original IOCB count[%d]\n", mb[7]);
141 seq_printf(s, "Current IOCB count[%d]\n", mb[10]);
142 seq_printf(s, "MAX VP count[%d]\n", mb[11]);
143 seq_printf(s, "MAX FCF count[%d]\n", mb[12]);
144 seq_printf(s, "Current free pageable XCB buffer cnt[%d]\n",
145 mb[20]);
146 seq_printf(s, "Original Initiator fast XCB buffer cnt[%d]\n",
147 mb[21]);
148 seq_printf(s, "Current free Initiator fast XCB buffer cnt[%d]\n",
149 mb[22]);
150 seq_printf(s, "Original Target fast XCB buffer cnt[%d]\n",
151 mb[23]);
152
153 }
154
155 return 0;
156 }
157
158 static int
159 qla_dfs_fw_resource_cnt_open(struct inode *inode, struct file *file)
160 {
161 struct scsi_qla_host *vha = inode->i_private;
162
163 return single_open(file, qla_dfs_fw_resource_cnt_show, vha);
164 }
165
166 static const struct file_operations dfs_fw_resource_cnt_ops = {
167 .open = qla_dfs_fw_resource_cnt_open,
168 .read = seq_read,
169 .llseek = seq_lseek,
170 .release = single_release,
171 };
172
173 static int
174 qla_dfs_tgt_counters_show(struct seq_file *s, void *unused)
175 {
176 struct scsi_qla_host *vha = s->private;
177 struct qla_qpair *qpair = vha->hw->base_qpair;
178 uint64_t qla_core_sbt_cmd, core_qla_que_buf, qla_core_ret_ctio,
179 core_qla_snd_status, qla_core_ret_sta_ctio, core_qla_free_cmd,
180 num_q_full_sent, num_alloc_iocb_failed, num_term_xchg_sent;
181 u16 i;
182
183 qla_core_sbt_cmd = qpair->tgt_counters.qla_core_sbt_cmd;
184 core_qla_que_buf = qpair->tgt_counters.core_qla_que_buf;
185 qla_core_ret_ctio = qpair->tgt_counters.qla_core_ret_ctio;
186 core_qla_snd_status = qpair->tgt_counters.core_qla_snd_status;
187 qla_core_ret_sta_ctio = qpair->tgt_counters.qla_core_ret_sta_ctio;
188 core_qla_free_cmd = qpair->tgt_counters.core_qla_free_cmd;
189 num_q_full_sent = qpair->tgt_counters.num_q_full_sent;
190 num_alloc_iocb_failed = qpair->tgt_counters.num_alloc_iocb_failed;
191 num_term_xchg_sent = qpair->tgt_counters.num_term_xchg_sent;
192
193 for (i = 0; i < vha->hw->max_qpairs; i++) {
194 qpair = vha->hw->queue_pair_map[i];
195 if (!qpair)
196 continue;
197 qla_core_sbt_cmd += qpair->tgt_counters.qla_core_sbt_cmd;
198 core_qla_que_buf += qpair->tgt_counters.core_qla_que_buf;
199 qla_core_ret_ctio += qpair->tgt_counters.qla_core_ret_ctio;
200 core_qla_snd_status += qpair->tgt_counters.core_qla_snd_status;
201 qla_core_ret_sta_ctio +=
202 qpair->tgt_counters.qla_core_ret_sta_ctio;
203 core_qla_free_cmd += qpair->tgt_counters.core_qla_free_cmd;
204 num_q_full_sent += qpair->tgt_counters.num_q_full_sent;
205 num_alloc_iocb_failed +=
206 qpair->tgt_counters.num_alloc_iocb_failed;
207 num_term_xchg_sent += qpair->tgt_counters.num_term_xchg_sent;
208 }
209
210 seq_puts(s, "Target Counters\n");
211 seq_printf(s, "qla_core_sbt_cmd = %lld\n",
212 qla_core_sbt_cmd);
213 seq_printf(s, "qla_core_ret_sta_ctio = %lld\n",
214 qla_core_ret_sta_ctio);
215 seq_printf(s, "qla_core_ret_ctio = %lld\n",
216 qla_core_ret_ctio);
217 seq_printf(s, "core_qla_que_buf = %lld\n",
218 core_qla_que_buf);
219 seq_printf(s, "core_qla_snd_status = %lld\n",
220 core_qla_snd_status);
221 seq_printf(s, "core_qla_free_cmd = %lld\n",
222 core_qla_free_cmd);
223 seq_printf(s, "num alloc iocb failed = %lld\n",
224 num_alloc_iocb_failed);
225 seq_printf(s, "num term exchange sent = %lld\n",
226 num_term_xchg_sent);
227 seq_printf(s, "num Q full sent = %lld\n",
228 num_q_full_sent);
229
230
231 seq_printf(s, "DIF Inp Bytes = %lld\n",
232 vha->qla_stats.qla_dif_stats.dif_input_bytes);
233 seq_printf(s, "DIF Outp Bytes = %lld\n",
234 vha->qla_stats.qla_dif_stats.dif_output_bytes);
235 seq_printf(s, "DIF Inp Req = %lld\n",
236 vha->qla_stats.qla_dif_stats.dif_input_requests);
237 seq_printf(s, "DIF Outp Req = %lld\n",
238 vha->qla_stats.qla_dif_stats.dif_output_requests);
239 seq_printf(s, "DIF Guard err = %d\n",
240 vha->qla_stats.qla_dif_stats.dif_guard_err);
241 seq_printf(s, "DIF Ref tag err = %d\n",
242 vha->qla_stats.qla_dif_stats.dif_ref_tag_err);
243 seq_printf(s, "DIF App tag err = %d\n",
244 vha->qla_stats.qla_dif_stats.dif_app_tag_err);
245 return 0;
246 }
247
248 static int
249 qla_dfs_tgt_counters_open(struct inode *inode, struct file *file)
250 {
251 struct scsi_qla_host *vha = inode->i_private;
252
253 return single_open(file, qla_dfs_tgt_counters_show, vha);
254 }
255
256 static const struct file_operations dfs_tgt_counters_ops = {
257 .open = qla_dfs_tgt_counters_open,
258 .read = seq_read,
259 .llseek = seq_lseek,
260 .release = single_release,
261 };
262
263 static int
264 qla2x00_dfs_fce_show(struct seq_file *s, void *unused)
265 {
266 scsi_qla_host_t *vha = s->private;
267 uint32_t cnt;
268 uint32_t *fce;
269 uint64_t fce_start;
270 struct qla_hw_data *ha = vha->hw;
271
272 mutex_lock(&ha->fce_mutex);
273
274 seq_puts(s, "FCE Trace Buffer\n");
275 seq_printf(s, "In Pointer = %llx\n\n", (unsigned long long)ha->fce_wr);
276 seq_printf(s, "Base = %llx\n\n", (unsigned long long) ha->fce_dma);
277 seq_puts(s, "FCE Enable Registers\n");
278 seq_printf(s, "%08x %08x %08x %08x %08x %08x\n",
279 ha->fce_mb[0], ha->fce_mb[2], ha->fce_mb[3], ha->fce_mb[4],
280 ha->fce_mb[5], ha->fce_mb[6]);
281
282 fce = (uint32_t *) ha->fce;
283 fce_start = (unsigned long long) ha->fce_dma;
284 for (cnt = 0; cnt < fce_calc_size(ha->fce_bufs) / 4; cnt++) {
285 if (cnt % 8 == 0)
286 seq_printf(s, "\n%llx: ",
287 (unsigned long long)((cnt * 4) + fce_start));
288 else
289 seq_putc(s, ' ');
290 seq_printf(s, "%08x", *fce++);
291 }
292
293 seq_puts(s, "\nEnd\n");
294
295 mutex_unlock(&ha->fce_mutex);
296
297 return 0;
298 }
299
300 static int
301 qla2x00_dfs_fce_open(struct inode *inode, struct file *file)
302 {
303 scsi_qla_host_t *vha = inode->i_private;
304 struct qla_hw_data *ha = vha->hw;
305 int rval;
306
307 if (!ha->flags.fce_enabled)
308 goto out;
309
310 mutex_lock(&ha->fce_mutex);
311
312
313 rval = qla2x00_disable_fce_trace(vha, &ha->fce_wr, &ha->fce_rd);
314 if (rval)
315 ql_dbg(ql_dbg_user, vha, 0x705c,
316 "DebugFS: Unable to disable FCE (%d).\n", rval);
317
318 ha->flags.fce_enabled = 0;
319
320 mutex_unlock(&ha->fce_mutex);
321 out:
322 return single_open(file, qla2x00_dfs_fce_show, vha);
323 }
324
325 static int
326 qla2x00_dfs_fce_release(struct inode *inode, struct file *file)
327 {
328 scsi_qla_host_t *vha = inode->i_private;
329 struct qla_hw_data *ha = vha->hw;
330 int rval;
331
332 if (ha->flags.fce_enabled)
333 goto out;
334
335 mutex_lock(&ha->fce_mutex);
336
337
338 ha->flags.fce_enabled = 1;
339 memset(ha->fce, 0, fce_calc_size(ha->fce_bufs));
340 rval = qla2x00_enable_fce_trace(vha, ha->fce_dma, ha->fce_bufs,
341 ha->fce_mb, &ha->fce_bufs);
342 if (rval) {
343 ql_dbg(ql_dbg_user, vha, 0x700d,
344 "DebugFS: Unable to reinitialize FCE (%d).\n", rval);
345 ha->flags.fce_enabled = 0;
346 }
347
348 mutex_unlock(&ha->fce_mutex);
349 out:
350 return single_release(inode, file);
351 }
352
353 static const struct file_operations dfs_fce_ops = {
354 .open = qla2x00_dfs_fce_open,
355 .read = seq_read,
356 .llseek = seq_lseek,
357 .release = qla2x00_dfs_fce_release,
358 };
359
360 static int
361 qla_dfs_naqp_show(struct seq_file *s, void *unused)
362 {
363 struct scsi_qla_host *vha = s->private;
364 struct qla_hw_data *ha = vha->hw;
365
366 seq_printf(s, "%d\n", ha->tgt.num_act_qpairs);
367 return 0;
368 }
369
370 static int
371 qla_dfs_naqp_open(struct inode *inode, struct file *file)
372 {
373 struct scsi_qla_host *vha = inode->i_private;
374
375 return single_open(file, qla_dfs_naqp_show, vha);
376 }
377
378 static ssize_t
379 qla_dfs_naqp_write(struct file *file, const char __user *buffer,
380 size_t count, loff_t *pos)
381 {
382 struct seq_file *s = file->private_data;
383 struct scsi_qla_host *vha = s->private;
384 struct qla_hw_data *ha = vha->hw;
385 char *buf;
386 int rc = 0;
387 unsigned long num_act_qp;
388
389 if (!(IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))) {
390 pr_err("host%ld: this adapter does not support Multi Q.",
391 vha->host_no);
392 return -EINVAL;
393 }
394
395 if (!vha->flags.qpairs_available) {
396 pr_err("host%ld: Driver is not setup with Multi Q.",
397 vha->host_no);
398 return -EINVAL;
399 }
400 buf = memdup_user_nul(buffer, count);
401 if (IS_ERR(buf)) {
402 pr_err("host%ld: fail to copy user buffer.",
403 vha->host_no);
404 return PTR_ERR(buf);
405 }
406
407 num_act_qp = simple_strtoul(buf, NULL, 0);
408
409 if (num_act_qp >= vha->hw->max_qpairs) {
410 pr_err("User set invalid number of qpairs %lu. Max = %d",
411 num_act_qp, vha->hw->max_qpairs);
412 rc = -EINVAL;
413 goto out_free;
414 }
415
416 if (num_act_qp != ha->tgt.num_act_qpairs) {
417 ha->tgt.num_act_qpairs = num_act_qp;
418 qlt_clr_qp_table(vha);
419 }
420 rc = count;
421 out_free:
422 kfree(buf);
423 return rc;
424 }
425
426 static const struct file_operations dfs_naqp_ops = {
427 .open = qla_dfs_naqp_open,
428 .read = seq_read,
429 .llseek = seq_lseek,
430 .release = single_release,
431 .write = qla_dfs_naqp_write,
432 };
433
434
435 int
436 qla2x00_dfs_setup(scsi_qla_host_t *vha)
437 {
438 struct qla_hw_data *ha = vha->hw;
439
440 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
441 !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
442 goto out;
443 if (!ha->fce)
444 goto out;
445
446 if (qla2x00_dfs_root)
447 goto create_dir;
448
449 atomic_set(&qla2x00_dfs_root_count, 0);
450 qla2x00_dfs_root = debugfs_create_dir(QLA2XXX_DRIVER_NAME, NULL);
451
452 create_dir:
453 if (ha->dfs_dir)
454 goto create_nodes;
455
456 mutex_init(&ha->fce_mutex);
457 ha->dfs_dir = debugfs_create_dir(vha->host_str, qla2x00_dfs_root);
458
459 atomic_inc(&qla2x00_dfs_root_count);
460
461 create_nodes:
462 ha->dfs_fw_resource_cnt = debugfs_create_file("fw_resource_count",
463 S_IRUSR, ha->dfs_dir, vha, &dfs_fw_resource_cnt_ops);
464
465 ha->dfs_tgt_counters = debugfs_create_file("tgt_counters", S_IRUSR,
466 ha->dfs_dir, vha, &dfs_tgt_counters_ops);
467
468 ha->tgt.dfs_tgt_port_database = debugfs_create_file("tgt_port_database",
469 S_IRUSR, ha->dfs_dir, vha, &dfs_tgt_port_database_ops);
470
471 ha->dfs_fce = debugfs_create_file("fce", S_IRUSR, ha->dfs_dir, vha,
472 &dfs_fce_ops);
473
474 ha->tgt.dfs_tgt_sess = debugfs_create_file("tgt_sess",
475 S_IRUSR, ha->dfs_dir, vha, &dfs_tgt_sess_ops);
476
477 if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
478 ha->tgt.dfs_naqp = debugfs_create_file("naqp",
479 0400, ha->dfs_dir, vha, &dfs_naqp_ops);
480 out:
481 return 0;
482 }
483
484 int
485 qla2x00_dfs_remove(scsi_qla_host_t *vha)
486 {
487 struct qla_hw_data *ha = vha->hw;
488
489 if (ha->tgt.dfs_naqp) {
490 debugfs_remove(ha->tgt.dfs_naqp);
491 ha->tgt.dfs_naqp = NULL;
492 }
493
494 if (ha->tgt.dfs_tgt_sess) {
495 debugfs_remove(ha->tgt.dfs_tgt_sess);
496 ha->tgt.dfs_tgt_sess = NULL;
497 }
498
499 if (ha->tgt.dfs_tgt_port_database) {
500 debugfs_remove(ha->tgt.dfs_tgt_port_database);
501 ha->tgt.dfs_tgt_port_database = NULL;
502 }
503
504 if (ha->dfs_fw_resource_cnt) {
505 debugfs_remove(ha->dfs_fw_resource_cnt);
506 ha->dfs_fw_resource_cnt = NULL;
507 }
508
509 if (ha->dfs_tgt_counters) {
510 debugfs_remove(ha->dfs_tgt_counters);
511 ha->dfs_tgt_counters = NULL;
512 }
513
514 if (ha->dfs_fce) {
515 debugfs_remove(ha->dfs_fce);
516 ha->dfs_fce = NULL;
517 }
518
519 if (ha->dfs_dir) {
520 debugfs_remove(ha->dfs_dir);
521 ha->dfs_dir = NULL;
522 atomic_dec(&qla2x00_dfs_root_count);
523 }
524
525 if (atomic_read(&qla2x00_dfs_root_count) == 0 &&
526 qla2x00_dfs_root) {
527 debugfs_remove(qla2x00_dfs_root);
528 qla2x00_dfs_root = NULL;
529 }
530
531 return 0;
532 }