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Merge tag 'blackfin-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/realm...
[mirror_ubuntu-bionic-kernel.git] / drivers / scsi / qla2xxx / qla_attr.c
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2013 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8 #include "qla_target.h"
9
10 #include <linux/kthread.h>
11 #include <linux/vmalloc.h>
12 #include <linux/slab.h>
13 #include <linux/delay.h>
14
15 static int qla24xx_vport_disable(struct fc_vport *, bool);
16
17 /* SYSFS attributes --------------------------------------------------------- */
18
19 static ssize_t
20 qla2x00_sysfs_read_fw_dump(struct file *filp, struct kobject *kobj,
21 struct bin_attribute *bin_attr,
22 char *buf, loff_t off, size_t count)
23 {
24 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
25 struct device, kobj)));
26 struct qla_hw_data *ha = vha->hw;
27 int rval = 0;
28
29 if (!(ha->fw_dump_reading || ha->mctp_dump_reading))
30 return 0;
31
32 if (IS_P3P_TYPE(ha)) {
33 if (off < ha->md_template_size) {
34 rval = memory_read_from_buffer(buf, count,
35 &off, ha->md_tmplt_hdr, ha->md_template_size);
36 return rval;
37 }
38 off -= ha->md_template_size;
39 rval = memory_read_from_buffer(buf, count,
40 &off, ha->md_dump, ha->md_dump_size);
41 return rval;
42 } else if (ha->mctp_dumped && ha->mctp_dump_reading)
43 return memory_read_from_buffer(buf, count, &off, ha->mctp_dump,
44 MCTP_DUMP_SIZE);
45 else if (ha->fw_dump_reading)
46 return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
47 ha->fw_dump_len);
48 else
49 return 0;
50 }
51
52 static ssize_t
53 qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj,
54 struct bin_attribute *bin_attr,
55 char *buf, loff_t off, size_t count)
56 {
57 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
58 struct device, kobj)));
59 struct qla_hw_data *ha = vha->hw;
60 int reading;
61
62 if (off != 0)
63 return (0);
64
65 reading = simple_strtol(buf, NULL, 10);
66 switch (reading) {
67 case 0:
68 if (!ha->fw_dump_reading)
69 break;
70
71 ql_log(ql_log_info, vha, 0x705d,
72 "Firmware dump cleared on (%ld).\n", vha->host_no);
73
74 if (IS_P3P_TYPE(ha)) {
75 qla82xx_md_free(vha);
76 qla82xx_md_prep(vha);
77 }
78 ha->fw_dump_reading = 0;
79 ha->fw_dumped = 0;
80 break;
81 case 1:
82 if (ha->fw_dumped && !ha->fw_dump_reading) {
83 ha->fw_dump_reading = 1;
84
85 ql_log(ql_log_info, vha, 0x705e,
86 "Raw firmware dump ready for read on (%ld).\n",
87 vha->host_no);
88 }
89 break;
90 case 2:
91 qla2x00_alloc_fw_dump(vha);
92 break;
93 case 3:
94 if (IS_QLA82XX(ha)) {
95 qla82xx_idc_lock(ha);
96 qla82xx_set_reset_owner(vha);
97 qla82xx_idc_unlock(ha);
98 } else if (IS_QLA8044(ha)) {
99 qla8044_idc_lock(ha);
100 qla82xx_set_reset_owner(vha);
101 qla8044_idc_unlock(ha);
102 } else
103 qla2x00_system_error(vha);
104 break;
105 case 4:
106 if (IS_P3P_TYPE(ha)) {
107 if (ha->md_tmplt_hdr)
108 ql_dbg(ql_dbg_user, vha, 0x705b,
109 "MiniDump supported with this firmware.\n");
110 else
111 ql_dbg(ql_dbg_user, vha, 0x709d,
112 "MiniDump not supported with this firmware.\n");
113 }
114 break;
115 case 5:
116 if (IS_P3P_TYPE(ha))
117 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
118 break;
119 case 6:
120 if (!ha->mctp_dump_reading)
121 break;
122 ql_log(ql_log_info, vha, 0x70c1,
123 "MCTP dump cleared on (%ld).\n", vha->host_no);
124 ha->mctp_dump_reading = 0;
125 ha->mctp_dumped = 0;
126 break;
127 case 7:
128 if (ha->mctp_dumped && !ha->mctp_dump_reading) {
129 ha->mctp_dump_reading = 1;
130 ql_log(ql_log_info, vha, 0x70c2,
131 "Raw mctp dump ready for read on (%ld).\n",
132 vha->host_no);
133 }
134 break;
135 }
136 return count;
137 }
138
139 static struct bin_attribute sysfs_fw_dump_attr = {
140 .attr = {
141 .name = "fw_dump",
142 .mode = S_IRUSR | S_IWUSR,
143 },
144 .size = 0,
145 .read = qla2x00_sysfs_read_fw_dump,
146 .write = qla2x00_sysfs_write_fw_dump,
147 };
148
149 static ssize_t
150 qla2x00_sysfs_read_fw_dump_template(struct file *filp, struct kobject *kobj,
151 struct bin_attribute *bin_attr,
152 char *buf, loff_t off, size_t count)
153 {
154 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
155 struct device, kobj)));
156 struct qla_hw_data *ha = vha->hw;
157
158 if (!ha->fw_dump_template || !ha->fw_dump_template_len)
159 return 0;
160
161 ql_dbg(ql_dbg_user, vha, 0x70e2,
162 "chunk <- off=%llx count=%zx\n", off, count);
163 return memory_read_from_buffer(buf, count, &off,
164 ha->fw_dump_template, ha->fw_dump_template_len);
165 }
166
167 static ssize_t
168 qla2x00_sysfs_write_fw_dump_template(struct file *filp, struct kobject *kobj,
169 struct bin_attribute *bin_attr,
170 char *buf, loff_t off, size_t count)
171 {
172 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
173 struct device, kobj)));
174 struct qla_hw_data *ha = vha->hw;
175 uint32_t size;
176
177 if (off == 0) {
178 if (ha->fw_dump)
179 vfree(ha->fw_dump);
180 if (ha->fw_dump_template)
181 vfree(ha->fw_dump_template);
182
183 ha->fw_dump = NULL;
184 ha->fw_dump_len = 0;
185 ha->fw_dump_template = NULL;
186 ha->fw_dump_template_len = 0;
187
188 size = qla27xx_fwdt_template_size(buf);
189 ql_dbg(ql_dbg_user, vha, 0x70d1,
190 "-> allocating fwdt (%x bytes)...\n", size);
191 ha->fw_dump_template = vmalloc(size);
192 if (!ha->fw_dump_template) {
193 ql_log(ql_log_warn, vha, 0x70d2,
194 "Failed allocate fwdt (%x bytes).\n", size);
195 return -ENOMEM;
196 }
197 ha->fw_dump_template_len = size;
198 }
199
200 if (off + count > ha->fw_dump_template_len) {
201 count = ha->fw_dump_template_len - off;
202 ql_dbg(ql_dbg_user, vha, 0x70d3,
203 "chunk -> truncating to %zx bytes.\n", count);
204 }
205
206 ql_dbg(ql_dbg_user, vha, 0x70d4,
207 "chunk -> off=%llx count=%zx\n", off, count);
208 memcpy(ha->fw_dump_template + off, buf, count);
209
210 if (off + count == ha->fw_dump_template_len) {
211 size = qla27xx_fwdt_calculate_dump_size(vha);
212 ql_dbg(ql_dbg_user, vha, 0x70d5,
213 "-> allocating fwdump (%x bytes)...\n", size);
214 ha->fw_dump = vmalloc(size);
215 if (!ha->fw_dump) {
216 ql_log(ql_log_warn, vha, 0x70d6,
217 "Failed allocate fwdump (%x bytes).\n", size);
218 return -ENOMEM;
219 }
220 ha->fw_dump_len = size;
221 }
222
223 return count;
224 }
225 static struct bin_attribute sysfs_fw_dump_template_attr = {
226 .attr = {
227 .name = "fw_dump_template",
228 .mode = S_IRUSR | S_IWUSR,
229 },
230 .size = 0,
231 .read = qla2x00_sysfs_read_fw_dump_template,
232 .write = qla2x00_sysfs_write_fw_dump_template,
233 };
234
235 static ssize_t
236 qla2x00_sysfs_read_nvram(struct file *filp, struct kobject *kobj,
237 struct bin_attribute *bin_attr,
238 char *buf, loff_t off, size_t count)
239 {
240 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
241 struct device, kobj)));
242 struct qla_hw_data *ha = vha->hw;
243
244 if (!capable(CAP_SYS_ADMIN))
245 return 0;
246
247 if (IS_NOCACHE_VPD_TYPE(ha))
248 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
249 ha->nvram_size);
250 return memory_read_from_buffer(buf, count, &off, ha->nvram,
251 ha->nvram_size);
252 }
253
254 static ssize_t
255 qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
256 struct bin_attribute *bin_attr,
257 char *buf, loff_t off, size_t count)
258 {
259 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
260 struct device, kobj)));
261 struct qla_hw_data *ha = vha->hw;
262 uint16_t cnt;
263
264 if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
265 !ha->isp_ops->write_nvram)
266 return -EINVAL;
267
268 /* Checksum NVRAM. */
269 if (IS_FWI2_CAPABLE(ha)) {
270 uint32_t *iter;
271 uint32_t chksum;
272
273 iter = (uint32_t *)buf;
274 chksum = 0;
275 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
276 chksum += le32_to_cpu(*iter++);
277 chksum = ~chksum + 1;
278 *iter = cpu_to_le32(chksum);
279 } else {
280 uint8_t *iter;
281 uint8_t chksum;
282
283 iter = (uint8_t *)buf;
284 chksum = 0;
285 for (cnt = 0; cnt < count - 1; cnt++)
286 chksum += *iter++;
287 chksum = ~chksum + 1;
288 *iter = chksum;
289 }
290
291 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
292 ql_log(ql_log_warn, vha, 0x705f,
293 "HBA not online, failing NVRAM update.\n");
294 return -EAGAIN;
295 }
296
297 /* Write NVRAM. */
298 ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
299 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
300 count);
301
302 ql_dbg(ql_dbg_user, vha, 0x7060,
303 "Setting ISP_ABORT_NEEDED\n");
304 /* NVRAM settings take effect immediately. */
305 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
306 qla2xxx_wake_dpc(vha);
307 qla2x00_wait_for_chip_reset(vha);
308
309 return count;
310 }
311
312 static struct bin_attribute sysfs_nvram_attr = {
313 .attr = {
314 .name = "nvram",
315 .mode = S_IRUSR | S_IWUSR,
316 },
317 .size = 512,
318 .read = qla2x00_sysfs_read_nvram,
319 .write = qla2x00_sysfs_write_nvram,
320 };
321
322 static ssize_t
323 qla2x00_sysfs_read_optrom(struct file *filp, struct kobject *kobj,
324 struct bin_attribute *bin_attr,
325 char *buf, loff_t off, size_t count)
326 {
327 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
328 struct device, kobj)));
329 struct qla_hw_data *ha = vha->hw;
330 ssize_t rval = 0;
331
332 if (ha->optrom_state != QLA_SREADING)
333 return 0;
334
335 mutex_lock(&ha->optrom_mutex);
336 rval = memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
337 ha->optrom_region_size);
338 mutex_unlock(&ha->optrom_mutex);
339
340 return rval;
341 }
342
343 static ssize_t
344 qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
345 struct bin_attribute *bin_attr,
346 char *buf, loff_t off, size_t count)
347 {
348 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
349 struct device, kobj)));
350 struct qla_hw_data *ha = vha->hw;
351
352 if (ha->optrom_state != QLA_SWRITING)
353 return -EINVAL;
354 if (off > ha->optrom_region_size)
355 return -ERANGE;
356 if (off + count > ha->optrom_region_size)
357 count = ha->optrom_region_size - off;
358
359 mutex_lock(&ha->optrom_mutex);
360 memcpy(&ha->optrom_buffer[off], buf, count);
361 mutex_unlock(&ha->optrom_mutex);
362
363 return count;
364 }
365
366 static struct bin_attribute sysfs_optrom_attr = {
367 .attr = {
368 .name = "optrom",
369 .mode = S_IRUSR | S_IWUSR,
370 },
371 .size = 0,
372 .read = qla2x00_sysfs_read_optrom,
373 .write = qla2x00_sysfs_write_optrom,
374 };
375
376 static ssize_t
377 qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
378 struct bin_attribute *bin_attr,
379 char *buf, loff_t off, size_t count)
380 {
381 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
382 struct device, kobj)));
383 struct qla_hw_data *ha = vha->hw;
384 uint32_t start = 0;
385 uint32_t size = ha->optrom_size;
386 int val, valid;
387 ssize_t rval = count;
388
389 if (off)
390 return -EINVAL;
391
392 if (unlikely(pci_channel_offline(ha->pdev)))
393 return -EAGAIN;
394
395 if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
396 return -EINVAL;
397 if (start > ha->optrom_size)
398 return -EINVAL;
399
400 mutex_lock(&ha->optrom_mutex);
401 switch (val) {
402 case 0:
403 if (ha->optrom_state != QLA_SREADING &&
404 ha->optrom_state != QLA_SWRITING) {
405 rval = -EINVAL;
406 goto out;
407 }
408 ha->optrom_state = QLA_SWAITING;
409
410 ql_dbg(ql_dbg_user, vha, 0x7061,
411 "Freeing flash region allocation -- 0x%x bytes.\n",
412 ha->optrom_region_size);
413
414 vfree(ha->optrom_buffer);
415 ha->optrom_buffer = NULL;
416 break;
417 case 1:
418 if (ha->optrom_state != QLA_SWAITING) {
419 rval = -EINVAL;
420 goto out;
421 }
422
423 ha->optrom_region_start = start;
424 ha->optrom_region_size = start + size > ha->optrom_size ?
425 ha->optrom_size - start : size;
426
427 ha->optrom_state = QLA_SREADING;
428 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
429 if (ha->optrom_buffer == NULL) {
430 ql_log(ql_log_warn, vha, 0x7062,
431 "Unable to allocate memory for optrom retrieval "
432 "(%x).\n", ha->optrom_region_size);
433
434 ha->optrom_state = QLA_SWAITING;
435 rval = -ENOMEM;
436 goto out;
437 }
438
439 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
440 ql_log(ql_log_warn, vha, 0x7063,
441 "HBA not online, failing NVRAM update.\n");
442 rval = -EAGAIN;
443 goto out;
444 }
445
446 ql_dbg(ql_dbg_user, vha, 0x7064,
447 "Reading flash region -- 0x%x/0x%x.\n",
448 ha->optrom_region_start, ha->optrom_region_size);
449
450 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
451 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
452 ha->optrom_region_start, ha->optrom_region_size);
453 break;
454 case 2:
455 if (ha->optrom_state != QLA_SWAITING) {
456 rval = -EINVAL;
457 goto out;
458 }
459
460 /*
461 * We need to be more restrictive on which FLASH regions are
462 * allowed to be updated via user-space. Regions accessible
463 * via this method include:
464 *
465 * ISP21xx/ISP22xx/ISP23xx type boards:
466 *
467 * 0x000000 -> 0x020000 -- Boot code.
468 *
469 * ISP2322/ISP24xx type boards:
470 *
471 * 0x000000 -> 0x07ffff -- Boot code.
472 * 0x080000 -> 0x0fffff -- Firmware.
473 *
474 * ISP25xx type boards:
475 *
476 * 0x000000 -> 0x07ffff -- Boot code.
477 * 0x080000 -> 0x0fffff -- Firmware.
478 * 0x120000 -> 0x12ffff -- VPD and HBA parameters.
479 */
480 valid = 0;
481 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
482 valid = 1;
483 else if (start == (ha->flt_region_boot * 4) ||
484 start == (ha->flt_region_fw * 4))
485 valid = 1;
486 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)
487 || IS_CNA_CAPABLE(ha) || IS_QLA2031(ha))
488 valid = 1;
489 if (!valid) {
490 ql_log(ql_log_warn, vha, 0x7065,
491 "Invalid start region 0x%x/0x%x.\n", start, size);
492 rval = -EINVAL;
493 goto out;
494 }
495
496 ha->optrom_region_start = start;
497 ha->optrom_region_size = start + size > ha->optrom_size ?
498 ha->optrom_size - start : size;
499
500 ha->optrom_state = QLA_SWRITING;
501 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
502 if (ha->optrom_buffer == NULL) {
503 ql_log(ql_log_warn, vha, 0x7066,
504 "Unable to allocate memory for optrom update "
505 "(%x)\n", ha->optrom_region_size);
506
507 ha->optrom_state = QLA_SWAITING;
508 rval = -ENOMEM;
509 goto out;
510 }
511
512 ql_dbg(ql_dbg_user, vha, 0x7067,
513 "Staging flash region write -- 0x%x/0x%x.\n",
514 ha->optrom_region_start, ha->optrom_region_size);
515
516 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
517 break;
518 case 3:
519 if (ha->optrom_state != QLA_SWRITING) {
520 rval = -EINVAL;
521 goto out;
522 }
523
524 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
525 ql_log(ql_log_warn, vha, 0x7068,
526 "HBA not online, failing flash update.\n");
527 rval = -EAGAIN;
528 goto out;
529 }
530
531 ql_dbg(ql_dbg_user, vha, 0x7069,
532 "Writing flash region -- 0x%x/0x%x.\n",
533 ha->optrom_region_start, ha->optrom_region_size);
534
535 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
536 ha->optrom_region_start, ha->optrom_region_size);
537 break;
538 default:
539 rval = -EINVAL;
540 }
541
542 out:
543 mutex_unlock(&ha->optrom_mutex);
544 return rval;
545 }
546
547 static struct bin_attribute sysfs_optrom_ctl_attr = {
548 .attr = {
549 .name = "optrom_ctl",
550 .mode = S_IWUSR,
551 },
552 .size = 0,
553 .write = qla2x00_sysfs_write_optrom_ctl,
554 };
555
556 static ssize_t
557 qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
558 struct bin_attribute *bin_attr,
559 char *buf, loff_t off, size_t count)
560 {
561 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
562 struct device, kobj)));
563 struct qla_hw_data *ha = vha->hw;
564
565 if (unlikely(pci_channel_offline(ha->pdev)))
566 return -EAGAIN;
567
568 if (!capable(CAP_SYS_ADMIN))
569 return -EINVAL;
570
571 if (IS_NOCACHE_VPD_TYPE(ha))
572 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
573 ha->vpd_size);
574 return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
575 }
576
577 static ssize_t
578 qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
579 struct bin_attribute *bin_attr,
580 char *buf, loff_t off, size_t count)
581 {
582 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
583 struct device, kobj)));
584 struct qla_hw_data *ha = vha->hw;
585 uint8_t *tmp_data;
586
587 if (unlikely(pci_channel_offline(ha->pdev)))
588 return 0;
589
590 if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
591 !ha->isp_ops->write_nvram)
592 return 0;
593
594 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
595 ql_log(ql_log_warn, vha, 0x706a,
596 "HBA not online, failing VPD update.\n");
597 return -EAGAIN;
598 }
599
600 /* Write NVRAM. */
601 ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
602 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
603
604 /* Update flash version information for 4Gb & above. */
605 if (!IS_FWI2_CAPABLE(ha))
606 return -EINVAL;
607
608 tmp_data = vmalloc(256);
609 if (!tmp_data) {
610 ql_log(ql_log_warn, vha, 0x706b,
611 "Unable to allocate memory for VPD information update.\n");
612 return -ENOMEM;
613 }
614 ha->isp_ops->get_flash_version(vha, tmp_data);
615 vfree(tmp_data);
616
617 return count;
618 }
619
620 static struct bin_attribute sysfs_vpd_attr = {
621 .attr = {
622 .name = "vpd",
623 .mode = S_IRUSR | S_IWUSR,
624 },
625 .size = 0,
626 .read = qla2x00_sysfs_read_vpd,
627 .write = qla2x00_sysfs_write_vpd,
628 };
629
630 static ssize_t
631 qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
632 struct bin_attribute *bin_attr,
633 char *buf, loff_t off, size_t count)
634 {
635 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
636 struct device, kobj)));
637 struct qla_hw_data *ha = vha->hw;
638 uint16_t iter, addr, offset;
639 int rval;
640
641 if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
642 return 0;
643
644 if (ha->sfp_data)
645 goto do_read;
646
647 ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
648 &ha->sfp_data_dma);
649 if (!ha->sfp_data) {
650 ql_log(ql_log_warn, vha, 0x706c,
651 "Unable to allocate memory for SFP read-data.\n");
652 return 0;
653 }
654
655 do_read:
656 memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
657 addr = 0xa0;
658 for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
659 iter++, offset += SFP_BLOCK_SIZE) {
660 if (iter == 4) {
661 /* Skip to next device address. */
662 addr = 0xa2;
663 offset = 0;
664 }
665
666 rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, ha->sfp_data,
667 addr, offset, SFP_BLOCK_SIZE, 0);
668 if (rval != QLA_SUCCESS) {
669 ql_log(ql_log_warn, vha, 0x706d,
670 "Unable to read SFP data (%x/%x/%x).\n", rval,
671 addr, offset);
672
673 return -EIO;
674 }
675 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
676 buf += SFP_BLOCK_SIZE;
677 }
678
679 return count;
680 }
681
682 static struct bin_attribute sysfs_sfp_attr = {
683 .attr = {
684 .name = "sfp",
685 .mode = S_IRUSR | S_IWUSR,
686 },
687 .size = SFP_DEV_SIZE * 2,
688 .read = qla2x00_sysfs_read_sfp,
689 };
690
691 static ssize_t
692 qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
693 struct bin_attribute *bin_attr,
694 char *buf, loff_t off, size_t count)
695 {
696 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
697 struct device, kobj)));
698 struct qla_hw_data *ha = vha->hw;
699 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
700 int type;
701 uint32_t idc_control;
702 uint8_t *tmp_data = NULL;
703 if (off != 0)
704 return -EINVAL;
705
706 type = simple_strtol(buf, NULL, 10);
707 switch (type) {
708 case 0x2025c:
709 ql_log(ql_log_info, vha, 0x706e,
710 "Issuing ISP reset.\n");
711
712 scsi_block_requests(vha->host);
713 if (IS_QLA82XX(ha)) {
714 ha->flags.isp82xx_no_md_cap = 1;
715 qla82xx_idc_lock(ha);
716 qla82xx_set_reset_owner(vha);
717 qla82xx_idc_unlock(ha);
718 } else if (IS_QLA8044(ha)) {
719 qla8044_idc_lock(ha);
720 idc_control = qla8044_rd_reg(ha,
721 QLA8044_IDC_DRV_CTRL);
722 qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
723 (idc_control | GRACEFUL_RESET_BIT1));
724 qla82xx_set_reset_owner(vha);
725 qla8044_idc_unlock(ha);
726 } else {
727 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
728 qla2xxx_wake_dpc(vha);
729 }
730 qla2x00_wait_for_chip_reset(vha);
731 scsi_unblock_requests(vha->host);
732 break;
733 case 0x2025d:
734 if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
735 return -EPERM;
736
737 ql_log(ql_log_info, vha, 0x706f,
738 "Issuing MPI reset.\n");
739
740 if (IS_QLA83XX(ha)) {
741 uint32_t idc_control;
742
743 qla83xx_idc_lock(vha, 0);
744 __qla83xx_get_idc_control(vha, &idc_control);
745 idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
746 __qla83xx_set_idc_control(vha, idc_control);
747 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
748 QLA8XXX_DEV_NEED_RESET);
749 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
750 qla83xx_idc_unlock(vha, 0);
751 break;
752 } else {
753 /* Make sure FC side is not in reset */
754 qla2x00_wait_for_hba_online(vha);
755
756 /* Issue MPI reset */
757 scsi_block_requests(vha->host);
758 if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
759 ql_log(ql_log_warn, vha, 0x7070,
760 "MPI reset failed.\n");
761 scsi_unblock_requests(vha->host);
762 break;
763 }
764 case 0x2025e:
765 if (!IS_P3P_TYPE(ha) || vha != base_vha) {
766 ql_log(ql_log_info, vha, 0x7071,
767 "FCoE ctx reset no supported.\n");
768 return -EPERM;
769 }
770
771 ql_log(ql_log_info, vha, 0x7072,
772 "Issuing FCoE ctx reset.\n");
773 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
774 qla2xxx_wake_dpc(vha);
775 qla2x00_wait_for_fcoe_ctx_reset(vha);
776 break;
777 case 0x2025f:
778 if (!IS_QLA8031(ha))
779 return -EPERM;
780 ql_log(ql_log_info, vha, 0x70bc,
781 "Disabling Reset by IDC control\n");
782 qla83xx_idc_lock(vha, 0);
783 __qla83xx_get_idc_control(vha, &idc_control);
784 idc_control |= QLA83XX_IDC_RESET_DISABLED;
785 __qla83xx_set_idc_control(vha, idc_control);
786 qla83xx_idc_unlock(vha, 0);
787 break;
788 case 0x20260:
789 if (!IS_QLA8031(ha))
790 return -EPERM;
791 ql_log(ql_log_info, vha, 0x70bd,
792 "Enabling Reset by IDC control\n");
793 qla83xx_idc_lock(vha, 0);
794 __qla83xx_get_idc_control(vha, &idc_control);
795 idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
796 __qla83xx_set_idc_control(vha, idc_control);
797 qla83xx_idc_unlock(vha, 0);
798 break;
799 case 0x20261:
800 ql_dbg(ql_dbg_user, vha, 0x70e0,
801 "Updating cache versions without reset ");
802
803 tmp_data = vmalloc(256);
804 if (!tmp_data) {
805 ql_log(ql_log_warn, vha, 0x70e1,
806 "Unable to allocate memory for VPD information update.\n");
807 return -ENOMEM;
808 }
809 ha->isp_ops->get_flash_version(vha, tmp_data);
810 vfree(tmp_data);
811 break;
812 }
813 return count;
814 }
815
816 static struct bin_attribute sysfs_reset_attr = {
817 .attr = {
818 .name = "reset",
819 .mode = S_IWUSR,
820 },
821 .size = 0,
822 .write = qla2x00_sysfs_write_reset,
823 };
824
825 static ssize_t
826 qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
827 struct bin_attribute *bin_attr,
828 char *buf, loff_t off, size_t count)
829 {
830 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
831 struct device, kobj)));
832 struct qla_hw_data *ha = vha->hw;
833 int rval;
834 uint16_t actual_size;
835
836 if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
837 return 0;
838
839 if (ha->xgmac_data)
840 goto do_read;
841
842 ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
843 &ha->xgmac_data_dma, GFP_KERNEL);
844 if (!ha->xgmac_data) {
845 ql_log(ql_log_warn, vha, 0x7076,
846 "Unable to allocate memory for XGMAC read-data.\n");
847 return 0;
848 }
849
850 do_read:
851 actual_size = 0;
852 memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
853
854 rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
855 XGMAC_DATA_SIZE, &actual_size);
856 if (rval != QLA_SUCCESS) {
857 ql_log(ql_log_warn, vha, 0x7077,
858 "Unable to read XGMAC data (%x).\n", rval);
859 count = 0;
860 }
861
862 count = actual_size > count ? count: actual_size;
863 memcpy(buf, ha->xgmac_data, count);
864
865 return count;
866 }
867
868 static struct bin_attribute sysfs_xgmac_stats_attr = {
869 .attr = {
870 .name = "xgmac_stats",
871 .mode = S_IRUSR,
872 },
873 .size = 0,
874 .read = qla2x00_sysfs_read_xgmac_stats,
875 };
876
877 static ssize_t
878 qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
879 struct bin_attribute *bin_attr,
880 char *buf, loff_t off, size_t count)
881 {
882 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
883 struct device, kobj)));
884 struct qla_hw_data *ha = vha->hw;
885 int rval;
886 uint16_t actual_size;
887
888 if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
889 return 0;
890
891 if (ha->dcbx_tlv)
892 goto do_read;
893
894 ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
895 &ha->dcbx_tlv_dma, GFP_KERNEL);
896 if (!ha->dcbx_tlv) {
897 ql_log(ql_log_warn, vha, 0x7078,
898 "Unable to allocate memory for DCBX TLV read-data.\n");
899 return -ENOMEM;
900 }
901
902 do_read:
903 actual_size = 0;
904 memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
905
906 rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
907 DCBX_TLV_DATA_SIZE);
908 if (rval != QLA_SUCCESS) {
909 ql_log(ql_log_warn, vha, 0x7079,
910 "Unable to read DCBX TLV (%x).\n", rval);
911 return -EIO;
912 }
913
914 memcpy(buf, ha->dcbx_tlv, count);
915
916 return count;
917 }
918
919 static struct bin_attribute sysfs_dcbx_tlv_attr = {
920 .attr = {
921 .name = "dcbx_tlv",
922 .mode = S_IRUSR,
923 },
924 .size = 0,
925 .read = qla2x00_sysfs_read_dcbx_tlv,
926 };
927
928 static struct sysfs_entry {
929 char *name;
930 struct bin_attribute *attr;
931 int is4GBp_only;
932 } bin_file_entries[] = {
933 { "fw_dump", &sysfs_fw_dump_attr, },
934 { "fw_dump_template", &sysfs_fw_dump_template_attr, 0x27 },
935 { "nvram", &sysfs_nvram_attr, },
936 { "optrom", &sysfs_optrom_attr, },
937 { "optrom_ctl", &sysfs_optrom_ctl_attr, },
938 { "vpd", &sysfs_vpd_attr, 1 },
939 { "sfp", &sysfs_sfp_attr, 1 },
940 { "reset", &sysfs_reset_attr, },
941 { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
942 { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
943 { NULL },
944 };
945
946 void
947 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
948 {
949 struct Scsi_Host *host = vha->host;
950 struct sysfs_entry *iter;
951 int ret;
952
953 for (iter = bin_file_entries; iter->name; iter++) {
954 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
955 continue;
956 if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
957 continue;
958 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
959 continue;
960 if (iter->is4GBp_only == 0x27 && !IS_QLA27XX(vha->hw))
961 continue;
962
963 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
964 iter->attr);
965 if (ret)
966 ql_log(ql_log_warn, vha, 0x00f3,
967 "Unable to create sysfs %s binary attribute (%d).\n",
968 iter->name, ret);
969 else
970 ql_dbg(ql_dbg_init, vha, 0x00f4,
971 "Successfully created sysfs %s binary attribure.\n",
972 iter->name);
973 }
974 }
975
976 void
977 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
978 {
979 struct Scsi_Host *host = vha->host;
980 struct sysfs_entry *iter;
981 struct qla_hw_data *ha = vha->hw;
982
983 for (iter = bin_file_entries; iter->name; iter++) {
984 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
985 continue;
986 if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
987 continue;
988 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
989 continue;
990
991 sysfs_remove_bin_file(&host->shost_gendev.kobj,
992 iter->attr);
993 }
994
995 if (stop_beacon && ha->beacon_blink_led == 1)
996 ha->isp_ops->beacon_off(vha);
997 }
998
999 /* Scsi_Host attributes. */
1000
1001 static ssize_t
1002 qla2x00_drvr_version_show(struct device *dev,
1003 struct device_attribute *attr, char *buf)
1004 {
1005 return scnprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
1006 }
1007
1008 static ssize_t
1009 qla2x00_fw_version_show(struct device *dev,
1010 struct device_attribute *attr, char *buf)
1011 {
1012 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1013 struct qla_hw_data *ha = vha->hw;
1014 char fw_str[128];
1015
1016 return scnprintf(buf, PAGE_SIZE, "%s\n",
1017 ha->isp_ops->fw_version_str(vha, fw_str));
1018 }
1019
1020 static ssize_t
1021 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
1022 char *buf)
1023 {
1024 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1025 struct qla_hw_data *ha = vha->hw;
1026 uint32_t sn;
1027
1028 if (IS_QLAFX00(vha->hw)) {
1029 return scnprintf(buf, PAGE_SIZE, "%s\n",
1030 vha->hw->mr.serial_num);
1031 } else if (IS_FWI2_CAPABLE(ha)) {
1032 qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1);
1033 return strlen(strcat(buf, "\n"));
1034 }
1035
1036 sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1037 return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
1038 sn % 100000);
1039 }
1040
1041 static ssize_t
1042 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
1043 char *buf)
1044 {
1045 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1046 return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
1047 }
1048
1049 static ssize_t
1050 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
1051 char *buf)
1052 {
1053 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1054 struct qla_hw_data *ha = vha->hw;
1055
1056 if (IS_QLAFX00(vha->hw))
1057 return scnprintf(buf, PAGE_SIZE, "%s\n",
1058 vha->hw->mr.hw_version);
1059
1060 return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
1061 ha->product_id[0], ha->product_id[1], ha->product_id[2],
1062 ha->product_id[3]);
1063 }
1064
1065 static ssize_t
1066 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
1067 char *buf)
1068 {
1069 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1070
1071 return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
1072 }
1073
1074 static ssize_t
1075 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
1076 char *buf)
1077 {
1078 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1079 return scnprintf(buf, PAGE_SIZE, "%s\n",
1080 vha->hw->model_desc ? vha->hw->model_desc : "");
1081 }
1082
1083 static ssize_t
1084 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
1085 char *buf)
1086 {
1087 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1088 char pci_info[30];
1089
1090 return scnprintf(buf, PAGE_SIZE, "%s\n",
1091 vha->hw->isp_ops->pci_info_str(vha, pci_info));
1092 }
1093
1094 static ssize_t
1095 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
1096 char *buf)
1097 {
1098 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1099 struct qla_hw_data *ha = vha->hw;
1100 int len = 0;
1101
1102 if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
1103 atomic_read(&vha->loop_state) == LOOP_DEAD ||
1104 vha->device_flags & DFLG_NO_CABLE)
1105 len = scnprintf(buf, PAGE_SIZE, "Link Down\n");
1106 else if (atomic_read(&vha->loop_state) != LOOP_READY ||
1107 qla2x00_reset_active(vha))
1108 len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n");
1109 else {
1110 len = scnprintf(buf, PAGE_SIZE, "Link Up - ");
1111
1112 switch (ha->current_topology) {
1113 case ISP_CFG_NL:
1114 len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1115 break;
1116 case ISP_CFG_FL:
1117 len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
1118 break;
1119 case ISP_CFG_N:
1120 len += scnprintf(buf + len, PAGE_SIZE-len,
1121 "N_Port to N_Port\n");
1122 break;
1123 case ISP_CFG_F:
1124 len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
1125 break;
1126 default:
1127 len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1128 break;
1129 }
1130 }
1131 return len;
1132 }
1133
1134 static ssize_t
1135 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
1136 char *buf)
1137 {
1138 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1139 int len = 0;
1140
1141 switch (vha->hw->zio_mode) {
1142 case QLA_ZIO_MODE_6:
1143 len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1144 break;
1145 case QLA_ZIO_DISABLED:
1146 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1147 break;
1148 }
1149 return len;
1150 }
1151
1152 static ssize_t
1153 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1154 const char *buf, size_t count)
1155 {
1156 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1157 struct qla_hw_data *ha = vha->hw;
1158 int val = 0;
1159 uint16_t zio_mode;
1160
1161 if (!IS_ZIO_SUPPORTED(ha))
1162 return -ENOTSUPP;
1163
1164 if (sscanf(buf, "%d", &val) != 1)
1165 return -EINVAL;
1166
1167 if (val)
1168 zio_mode = QLA_ZIO_MODE_6;
1169 else
1170 zio_mode = QLA_ZIO_DISABLED;
1171
1172 /* Update per-hba values and queue a reset. */
1173 if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1174 ha->zio_mode = zio_mode;
1175 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1176 }
1177 return strlen(buf);
1178 }
1179
1180 static ssize_t
1181 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1182 char *buf)
1183 {
1184 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1185
1186 return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1187 }
1188
1189 static ssize_t
1190 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1191 const char *buf, size_t count)
1192 {
1193 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1194 int val = 0;
1195 uint16_t zio_timer;
1196
1197 if (sscanf(buf, "%d", &val) != 1)
1198 return -EINVAL;
1199 if (val > 25500 || val < 100)
1200 return -ERANGE;
1201
1202 zio_timer = (uint16_t)(val / 100);
1203 vha->hw->zio_timer = zio_timer;
1204
1205 return strlen(buf);
1206 }
1207
1208 static ssize_t
1209 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1210 char *buf)
1211 {
1212 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1213 int len = 0;
1214
1215 if (vha->hw->beacon_blink_led)
1216 len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1217 else
1218 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1219 return len;
1220 }
1221
1222 static ssize_t
1223 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1224 const char *buf, size_t count)
1225 {
1226 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1227 struct qla_hw_data *ha = vha->hw;
1228 int val = 0;
1229 int rval;
1230
1231 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1232 return -EPERM;
1233
1234 if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
1235 ql_log(ql_log_warn, vha, 0x707a,
1236 "Abort ISP active -- ignoring beacon request.\n");
1237 return -EBUSY;
1238 }
1239
1240 if (sscanf(buf, "%d", &val) != 1)
1241 return -EINVAL;
1242
1243 if (val)
1244 rval = ha->isp_ops->beacon_on(vha);
1245 else
1246 rval = ha->isp_ops->beacon_off(vha);
1247
1248 if (rval != QLA_SUCCESS)
1249 count = 0;
1250
1251 return count;
1252 }
1253
1254 static ssize_t
1255 qla2x00_optrom_bios_version_show(struct device *dev,
1256 struct device_attribute *attr, char *buf)
1257 {
1258 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1259 struct qla_hw_data *ha = vha->hw;
1260 return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1261 ha->bios_revision[0]);
1262 }
1263
1264 static ssize_t
1265 qla2x00_optrom_efi_version_show(struct device *dev,
1266 struct device_attribute *attr, char *buf)
1267 {
1268 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1269 struct qla_hw_data *ha = vha->hw;
1270 return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1271 ha->efi_revision[0]);
1272 }
1273
1274 static ssize_t
1275 qla2x00_optrom_fcode_version_show(struct device *dev,
1276 struct device_attribute *attr, char *buf)
1277 {
1278 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1279 struct qla_hw_data *ha = vha->hw;
1280 return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1281 ha->fcode_revision[0]);
1282 }
1283
1284 static ssize_t
1285 qla2x00_optrom_fw_version_show(struct device *dev,
1286 struct device_attribute *attr, char *buf)
1287 {
1288 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1289 struct qla_hw_data *ha = vha->hw;
1290 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1291 ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1292 ha->fw_revision[3]);
1293 }
1294
1295 static ssize_t
1296 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1297 struct device_attribute *attr, char *buf)
1298 {
1299 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1300 struct qla_hw_data *ha = vha->hw;
1301
1302 if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha) && !IS_QLA27XX(ha))
1303 return scnprintf(buf, PAGE_SIZE, "\n");
1304
1305 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1306 ha->gold_fw_version[0], ha->gold_fw_version[1],
1307 ha->gold_fw_version[2], ha->gold_fw_version[3]);
1308 }
1309
1310 static ssize_t
1311 qla2x00_total_isp_aborts_show(struct device *dev,
1312 struct device_attribute *attr, char *buf)
1313 {
1314 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1315 return scnprintf(buf, PAGE_SIZE, "%d\n",
1316 vha->qla_stats.total_isp_aborts);
1317 }
1318
1319 static ssize_t
1320 qla24xx_84xx_fw_version_show(struct device *dev,
1321 struct device_attribute *attr, char *buf)
1322 {
1323 int rval = QLA_SUCCESS;
1324 uint16_t status[2] = {0, 0};
1325 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1326 struct qla_hw_data *ha = vha->hw;
1327
1328 if (!IS_QLA84XX(ha))
1329 return scnprintf(buf, PAGE_SIZE, "\n");
1330
1331 if (ha->cs84xx->op_fw_version == 0)
1332 rval = qla84xx_verify_chip(vha, status);
1333
1334 if ((rval == QLA_SUCCESS) && (status[0] == 0))
1335 return scnprintf(buf, PAGE_SIZE, "%u\n",
1336 (uint32_t)ha->cs84xx->op_fw_version);
1337
1338 return scnprintf(buf, PAGE_SIZE, "\n");
1339 }
1340
1341 static ssize_t
1342 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1343 char *buf)
1344 {
1345 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1346 struct qla_hw_data *ha = vha->hw;
1347
1348 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
1349 return scnprintf(buf, PAGE_SIZE, "\n");
1350
1351 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1352 ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1353 ha->mpi_capabilities);
1354 }
1355
1356 static ssize_t
1357 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1358 char *buf)
1359 {
1360 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1361 struct qla_hw_data *ha = vha->hw;
1362
1363 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1364 return scnprintf(buf, PAGE_SIZE, "\n");
1365
1366 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1367 ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1368 }
1369
1370 static ssize_t
1371 qla2x00_flash_block_size_show(struct device *dev,
1372 struct device_attribute *attr, char *buf)
1373 {
1374 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1375 struct qla_hw_data *ha = vha->hw;
1376
1377 return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1378 }
1379
1380 static ssize_t
1381 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1382 char *buf)
1383 {
1384 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1385
1386 if (!IS_CNA_CAPABLE(vha->hw))
1387 return scnprintf(buf, PAGE_SIZE, "\n");
1388
1389 return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1390 }
1391
1392 static ssize_t
1393 qla2x00_vn_port_mac_address_show(struct device *dev,
1394 struct device_attribute *attr, char *buf)
1395 {
1396 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1397
1398 if (!IS_CNA_CAPABLE(vha->hw))
1399 return scnprintf(buf, PAGE_SIZE, "\n");
1400
1401 return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
1402 }
1403
1404 static ssize_t
1405 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1406 char *buf)
1407 {
1408 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1409
1410 return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1411 }
1412
1413 static ssize_t
1414 qla2x00_thermal_temp_show(struct device *dev,
1415 struct device_attribute *attr, char *buf)
1416 {
1417 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1418 uint16_t temp = 0;
1419
1420 if (qla2x00_reset_active(vha)) {
1421 ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1422 goto done;
1423 }
1424
1425 if (vha->hw->flags.eeh_busy) {
1426 ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1427 goto done;
1428 }
1429
1430 if (qla2x00_get_thermal_temp(vha, &temp) == QLA_SUCCESS)
1431 return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
1432
1433 done:
1434 return scnprintf(buf, PAGE_SIZE, "\n");
1435 }
1436
1437 static ssize_t
1438 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1439 char *buf)
1440 {
1441 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1442 int rval = QLA_FUNCTION_FAILED;
1443 uint16_t state[5];
1444 uint32_t pstate;
1445
1446 if (IS_QLAFX00(vha->hw)) {
1447 pstate = qlafx00_fw_state_show(dev, attr, buf);
1448 return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1449 }
1450
1451 if (qla2x00_reset_active(vha))
1452 ql_log(ql_log_warn, vha, 0x707c,
1453 "ISP reset active.\n");
1454 else if (!vha->hw->flags.eeh_busy)
1455 rval = qla2x00_get_firmware_state(vha, state);
1456 if (rval != QLA_SUCCESS)
1457 memset(state, -1, sizeof(state));
1458
1459 return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x\n", state[0],
1460 state[1], state[2], state[3], state[4]);
1461 }
1462
1463 static ssize_t
1464 qla2x00_diag_requests_show(struct device *dev,
1465 struct device_attribute *attr, char *buf)
1466 {
1467 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1468
1469 if (!IS_BIDI_CAPABLE(vha->hw))
1470 return scnprintf(buf, PAGE_SIZE, "\n");
1471
1472 return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1473 }
1474
1475 static ssize_t
1476 qla2x00_diag_megabytes_show(struct device *dev,
1477 struct device_attribute *attr, char *buf)
1478 {
1479 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1480
1481 if (!IS_BIDI_CAPABLE(vha->hw))
1482 return scnprintf(buf, PAGE_SIZE, "\n");
1483
1484 return scnprintf(buf, PAGE_SIZE, "%llu\n",
1485 vha->bidi_stats.transfer_bytes >> 20);
1486 }
1487
1488 static ssize_t
1489 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1490 char *buf)
1491 {
1492 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1493 struct qla_hw_data *ha = vha->hw;
1494 uint32_t size;
1495
1496 if (!ha->fw_dumped)
1497 size = 0;
1498 else if (IS_QLA82XX(ha))
1499 size = ha->md_template_size + ha->md_dump_size;
1500 else
1501 size = ha->fw_dump_len;
1502
1503 return scnprintf(buf, PAGE_SIZE, "%d\n", size);
1504 }
1505
1506 static ssize_t
1507 qla2x00_allow_cna_fw_dump_show(struct device *dev,
1508 struct device_attribute *attr, char *buf)
1509 {
1510 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1511
1512 if (!IS_P3P_TYPE(vha->hw))
1513 return scnprintf(buf, PAGE_SIZE, "\n");
1514 else
1515 return scnprintf(buf, PAGE_SIZE, "%s\n",
1516 vha->hw->allow_cna_fw_dump ? "true" : "false");
1517 }
1518
1519 static ssize_t
1520 qla2x00_allow_cna_fw_dump_store(struct device *dev,
1521 struct device_attribute *attr, const char *buf, size_t count)
1522 {
1523 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1524 int val = 0;
1525
1526 if (!IS_P3P_TYPE(vha->hw))
1527 return -EINVAL;
1528
1529 if (sscanf(buf, "%d", &val) != 1)
1530 return -EINVAL;
1531
1532 vha->hw->allow_cna_fw_dump = val != 0;
1533
1534 return strlen(buf);
1535 }
1536
1537 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
1538 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
1539 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
1540 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
1541 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
1542 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
1543 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
1544 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
1545 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
1546 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
1547 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
1548 qla2x00_zio_timer_store);
1549 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
1550 qla2x00_beacon_store);
1551 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
1552 qla2x00_optrom_bios_version_show, NULL);
1553 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
1554 qla2x00_optrom_efi_version_show, NULL);
1555 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
1556 qla2x00_optrom_fcode_version_show, NULL);
1557 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
1558 NULL);
1559 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
1560 qla2x00_optrom_gold_fw_version_show, NULL);
1561 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
1562 NULL);
1563 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
1564 NULL);
1565 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
1566 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
1567 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
1568 NULL);
1569 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
1570 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
1571 qla2x00_vn_port_mac_address_show, NULL);
1572 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
1573 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
1574 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
1575 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
1576 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
1577 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
1578 static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR,
1579 qla2x00_allow_cna_fw_dump_show,
1580 qla2x00_allow_cna_fw_dump_store);
1581
1582 struct device_attribute *qla2x00_host_attrs[] = {
1583 &dev_attr_driver_version,
1584 &dev_attr_fw_version,
1585 &dev_attr_serial_num,
1586 &dev_attr_isp_name,
1587 &dev_attr_isp_id,
1588 &dev_attr_model_name,
1589 &dev_attr_model_desc,
1590 &dev_attr_pci_info,
1591 &dev_attr_link_state,
1592 &dev_attr_zio,
1593 &dev_attr_zio_timer,
1594 &dev_attr_beacon,
1595 &dev_attr_optrom_bios_version,
1596 &dev_attr_optrom_efi_version,
1597 &dev_attr_optrom_fcode_version,
1598 &dev_attr_optrom_fw_version,
1599 &dev_attr_84xx_fw_version,
1600 &dev_attr_total_isp_aborts,
1601 &dev_attr_mpi_version,
1602 &dev_attr_phy_version,
1603 &dev_attr_flash_block_size,
1604 &dev_attr_vlan_id,
1605 &dev_attr_vn_port_mac_address,
1606 &dev_attr_fabric_param,
1607 &dev_attr_fw_state,
1608 &dev_attr_optrom_gold_fw_version,
1609 &dev_attr_thermal_temp,
1610 &dev_attr_diag_requests,
1611 &dev_attr_diag_megabytes,
1612 &dev_attr_fw_dump_size,
1613 &dev_attr_allow_cna_fw_dump,
1614 NULL,
1615 };
1616
1617 /* Host attributes. */
1618
1619 static void
1620 qla2x00_get_host_port_id(struct Scsi_Host *shost)
1621 {
1622 scsi_qla_host_t *vha = shost_priv(shost);
1623
1624 fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
1625 vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
1626 }
1627
1628 static void
1629 qla2x00_get_host_speed(struct Scsi_Host *shost)
1630 {
1631 struct qla_hw_data *ha = ((struct scsi_qla_host *)
1632 (shost_priv(shost)))->hw;
1633 u32 speed = FC_PORTSPEED_UNKNOWN;
1634
1635 if (IS_QLAFX00(ha)) {
1636 qlafx00_get_host_speed(shost);
1637 return;
1638 }
1639
1640 switch (ha->link_data_rate) {
1641 case PORT_SPEED_1GB:
1642 speed = FC_PORTSPEED_1GBIT;
1643 break;
1644 case PORT_SPEED_2GB:
1645 speed = FC_PORTSPEED_2GBIT;
1646 break;
1647 case PORT_SPEED_4GB:
1648 speed = FC_PORTSPEED_4GBIT;
1649 break;
1650 case PORT_SPEED_8GB:
1651 speed = FC_PORTSPEED_8GBIT;
1652 break;
1653 case PORT_SPEED_10GB:
1654 speed = FC_PORTSPEED_10GBIT;
1655 break;
1656 case PORT_SPEED_16GB:
1657 speed = FC_PORTSPEED_16GBIT;
1658 break;
1659 case PORT_SPEED_32GB:
1660 speed = FC_PORTSPEED_32GBIT;
1661 break;
1662 }
1663 fc_host_speed(shost) = speed;
1664 }
1665
1666 static void
1667 qla2x00_get_host_port_type(struct Scsi_Host *shost)
1668 {
1669 scsi_qla_host_t *vha = shost_priv(shost);
1670 uint32_t port_type = FC_PORTTYPE_UNKNOWN;
1671
1672 if (vha->vp_idx) {
1673 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1674 return;
1675 }
1676 switch (vha->hw->current_topology) {
1677 case ISP_CFG_NL:
1678 port_type = FC_PORTTYPE_LPORT;
1679 break;
1680 case ISP_CFG_FL:
1681 port_type = FC_PORTTYPE_NLPORT;
1682 break;
1683 case ISP_CFG_N:
1684 port_type = FC_PORTTYPE_PTP;
1685 break;
1686 case ISP_CFG_F:
1687 port_type = FC_PORTTYPE_NPORT;
1688 break;
1689 }
1690 fc_host_port_type(shost) = port_type;
1691 }
1692
1693 static void
1694 qla2x00_get_starget_node_name(struct scsi_target *starget)
1695 {
1696 struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1697 scsi_qla_host_t *vha = shost_priv(host);
1698 fc_port_t *fcport;
1699 u64 node_name = 0;
1700
1701 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1702 if (fcport->rport &&
1703 starget->id == fcport->rport->scsi_target_id) {
1704 node_name = wwn_to_u64(fcport->node_name);
1705 break;
1706 }
1707 }
1708
1709 fc_starget_node_name(starget) = node_name;
1710 }
1711
1712 static void
1713 qla2x00_get_starget_port_name(struct scsi_target *starget)
1714 {
1715 struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1716 scsi_qla_host_t *vha = shost_priv(host);
1717 fc_port_t *fcport;
1718 u64 port_name = 0;
1719
1720 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1721 if (fcport->rport &&
1722 starget->id == fcport->rport->scsi_target_id) {
1723 port_name = wwn_to_u64(fcport->port_name);
1724 break;
1725 }
1726 }
1727
1728 fc_starget_port_name(starget) = port_name;
1729 }
1730
1731 static void
1732 qla2x00_get_starget_port_id(struct scsi_target *starget)
1733 {
1734 struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1735 scsi_qla_host_t *vha = shost_priv(host);
1736 fc_port_t *fcport;
1737 uint32_t port_id = ~0U;
1738
1739 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1740 if (fcport->rport &&
1741 starget->id == fcport->rport->scsi_target_id) {
1742 port_id = fcport->d_id.b.domain << 16 |
1743 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
1744 break;
1745 }
1746 }
1747
1748 fc_starget_port_id(starget) = port_id;
1749 }
1750
1751 static void
1752 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1753 {
1754 if (timeout)
1755 rport->dev_loss_tmo = timeout;
1756 else
1757 rport->dev_loss_tmo = 1;
1758 }
1759
1760 static void
1761 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
1762 {
1763 struct Scsi_Host *host = rport_to_shost(rport);
1764 fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1765 unsigned long flags;
1766
1767 if (!fcport)
1768 return;
1769
1770 /* Now that the rport has been deleted, set the fcport state to
1771 FCS_DEVICE_DEAD */
1772 qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
1773
1774 /*
1775 * Transport has effectively 'deleted' the rport, clear
1776 * all local references.
1777 */
1778 spin_lock_irqsave(host->host_lock, flags);
1779 fcport->rport = fcport->drport = NULL;
1780 *((fc_port_t **)rport->dd_data) = NULL;
1781 spin_unlock_irqrestore(host->host_lock, flags);
1782
1783 if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1784 return;
1785
1786 if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1787 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1788 return;
1789 }
1790 }
1791
1792 static void
1793 qla2x00_terminate_rport_io(struct fc_rport *rport)
1794 {
1795 fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1796
1797 if (!fcport)
1798 return;
1799
1800 if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1801 return;
1802
1803 if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1804 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1805 return;
1806 }
1807 /*
1808 * At this point all fcport's software-states are cleared. Perform any
1809 * final cleanup of firmware resources (PCBs and XCBs).
1810 */
1811 if (fcport->loop_id != FC_NO_LOOP_ID) {
1812 if (IS_FWI2_CAPABLE(fcport->vha->hw))
1813 fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
1814 fcport->loop_id, fcport->d_id.b.domain,
1815 fcport->d_id.b.area, fcport->d_id.b.al_pa);
1816 else
1817 qla2x00_port_logout(fcport->vha, fcport);
1818 }
1819 }
1820
1821 static int
1822 qla2x00_issue_lip(struct Scsi_Host *shost)
1823 {
1824 scsi_qla_host_t *vha = shost_priv(shost);
1825
1826 if (IS_QLAFX00(vha->hw))
1827 return 0;
1828
1829 qla2x00_loop_reset(vha);
1830 return 0;
1831 }
1832
1833 static struct fc_host_statistics *
1834 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1835 {
1836 scsi_qla_host_t *vha = shost_priv(shost);
1837 struct qla_hw_data *ha = vha->hw;
1838 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1839 int rval;
1840 struct link_statistics *stats;
1841 dma_addr_t stats_dma;
1842 struct fc_host_statistics *pfc_host_stat;
1843
1844 pfc_host_stat = &vha->fc_host_stat;
1845 memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
1846
1847 if (IS_QLAFX00(vha->hw))
1848 goto done;
1849
1850 if (test_bit(UNLOADING, &vha->dpc_flags))
1851 goto done;
1852
1853 if (unlikely(pci_channel_offline(ha->pdev)))
1854 goto done;
1855
1856 if (qla2x00_reset_active(vha))
1857 goto done;
1858
1859 stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
1860 if (stats == NULL) {
1861 ql_log(ql_log_warn, vha, 0x707d,
1862 "Failed to allocate memory for stats.\n");
1863 goto done;
1864 }
1865 memset(stats, 0, DMA_POOL_SIZE);
1866
1867 rval = QLA_FUNCTION_FAILED;
1868 if (IS_FWI2_CAPABLE(ha)) {
1869 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
1870 } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
1871 !ha->dpc_active) {
1872 /* Must be in a 'READY' state for statistics retrieval. */
1873 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
1874 stats, stats_dma);
1875 }
1876
1877 if (rval != QLA_SUCCESS)
1878 goto done_free;
1879
1880 pfc_host_stat->link_failure_count = stats->link_fail_cnt;
1881 pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt;
1882 pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt;
1883 pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
1884 pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt;
1885 pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt;
1886 if (IS_FWI2_CAPABLE(ha)) {
1887 pfc_host_stat->lip_count = stats->lip_cnt;
1888 pfc_host_stat->tx_frames = stats->tx_frames;
1889 pfc_host_stat->rx_frames = stats->rx_frames;
1890 pfc_host_stat->dumped_frames = stats->discarded_frames;
1891 pfc_host_stat->nos_count = stats->nos_rcvd;
1892 pfc_host_stat->error_frames =
1893 stats->dropped_frames + stats->discarded_frames;
1894 pfc_host_stat->rx_words = vha->qla_stats.input_bytes;
1895 pfc_host_stat->tx_words = vha->qla_stats.output_bytes;
1896 }
1897 pfc_host_stat->fcp_control_requests = vha->qla_stats.control_requests;
1898 pfc_host_stat->fcp_input_requests = vha->qla_stats.input_requests;
1899 pfc_host_stat->fcp_output_requests = vha->qla_stats.output_requests;
1900 pfc_host_stat->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
1901 pfc_host_stat->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
1902 pfc_host_stat->seconds_since_last_reset =
1903 get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
1904 do_div(pfc_host_stat->seconds_since_last_reset, HZ);
1905
1906 done_free:
1907 dma_pool_free(ha->s_dma_pool, stats, stats_dma);
1908 done:
1909 return pfc_host_stat;
1910 }
1911
1912 static void
1913 qla2x00_reset_host_stats(struct Scsi_Host *shost)
1914 {
1915 scsi_qla_host_t *vha = shost_priv(shost);
1916
1917 memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
1918
1919 vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
1920 }
1921
1922 static void
1923 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
1924 {
1925 scsi_qla_host_t *vha = shost_priv(shost);
1926
1927 qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost));
1928 }
1929
1930 static void
1931 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
1932 {
1933 scsi_qla_host_t *vha = shost_priv(shost);
1934
1935 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1936 }
1937
1938 static void
1939 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
1940 {
1941 scsi_qla_host_t *vha = shost_priv(shost);
1942 uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
1943 0xFF, 0xFF, 0xFF, 0xFF};
1944 u64 fabric_name = wwn_to_u64(node_name);
1945
1946 if (vha->device_flags & SWITCH_FOUND)
1947 fabric_name = wwn_to_u64(vha->fabric_node_name);
1948
1949 fc_host_fabric_name(shost) = fabric_name;
1950 }
1951
1952 static void
1953 qla2x00_get_host_port_state(struct Scsi_Host *shost)
1954 {
1955 scsi_qla_host_t *vha = shost_priv(shost);
1956 struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
1957
1958 if (!base_vha->flags.online) {
1959 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1960 return;
1961 }
1962
1963 switch (atomic_read(&base_vha->loop_state)) {
1964 case LOOP_UPDATE:
1965 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1966 break;
1967 case LOOP_DOWN:
1968 if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
1969 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1970 else
1971 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1972 break;
1973 case LOOP_DEAD:
1974 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1975 break;
1976 case LOOP_READY:
1977 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1978 break;
1979 default:
1980 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1981 break;
1982 }
1983 }
1984
1985 static int
1986 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
1987 {
1988 int ret = 0;
1989 uint8_t qos = 0;
1990 scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
1991 scsi_qla_host_t *vha = NULL;
1992 struct qla_hw_data *ha = base_vha->hw;
1993 uint16_t options = 0;
1994 int cnt;
1995 struct req_que *req = ha->req_q_map[0];
1996
1997 ret = qla24xx_vport_create_req_sanity_check(fc_vport);
1998 if (ret) {
1999 ql_log(ql_log_warn, vha, 0x707e,
2000 "Vport sanity check failed, status %x\n", ret);
2001 return (ret);
2002 }
2003
2004 vha = qla24xx_create_vhost(fc_vport);
2005 if (vha == NULL) {
2006 ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
2007 return FC_VPORT_FAILED;
2008 }
2009 if (disable) {
2010 atomic_set(&vha->vp_state, VP_OFFLINE);
2011 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
2012 } else
2013 atomic_set(&vha->vp_state, VP_FAILED);
2014
2015 /* ready to create vport */
2016 ql_log(ql_log_info, vha, 0x7080,
2017 "VP entry id %d assigned.\n", vha->vp_idx);
2018
2019 /* initialized vport states */
2020 atomic_set(&vha->loop_state, LOOP_DOWN);
2021 vha->vp_err_state= VP_ERR_PORTDWN;
2022 vha->vp_prev_err_state= VP_ERR_UNKWN;
2023 /* Check if physical ha port is Up */
2024 if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
2025 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
2026 /* Don't retry or attempt login of this virtual port */
2027 ql_dbg(ql_dbg_user, vha, 0x7081,
2028 "Vport loop state is not UP.\n");
2029 atomic_set(&vha->loop_state, LOOP_DEAD);
2030 if (!disable)
2031 fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
2032 }
2033
2034 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2035 if (ha->fw_attributes & BIT_4) {
2036 int prot = 0, guard;
2037 vha->flags.difdix_supported = 1;
2038 ql_dbg(ql_dbg_user, vha, 0x7082,
2039 "Registered for DIF/DIX type 1 and 3 protection.\n");
2040 if (ql2xenabledif == 1)
2041 prot = SHOST_DIX_TYPE0_PROTECTION;
2042 scsi_host_set_prot(vha->host,
2043 prot | SHOST_DIF_TYPE1_PROTECTION
2044 | SHOST_DIF_TYPE2_PROTECTION
2045 | SHOST_DIF_TYPE3_PROTECTION
2046 | SHOST_DIX_TYPE1_PROTECTION
2047 | SHOST_DIX_TYPE2_PROTECTION
2048 | SHOST_DIX_TYPE3_PROTECTION);
2049
2050 guard = SHOST_DIX_GUARD_CRC;
2051
2052 if (IS_PI_IPGUARD_CAPABLE(ha) &&
2053 (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2054 guard |= SHOST_DIX_GUARD_IP;
2055
2056 scsi_host_set_guard(vha->host, guard);
2057 } else
2058 vha->flags.difdix_supported = 0;
2059 }
2060
2061 if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
2062 &ha->pdev->dev)) {
2063 ql_dbg(ql_dbg_user, vha, 0x7083,
2064 "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
2065 goto vport_create_failed_2;
2066 }
2067
2068 /* initialize attributes */
2069 fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2070 fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2071 fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2072 fc_host_supported_classes(vha->host) =
2073 fc_host_supported_classes(base_vha->host);
2074 fc_host_supported_speeds(vha->host) =
2075 fc_host_supported_speeds(base_vha->host);
2076
2077 qlt_vport_create(vha, ha);
2078 qla24xx_vport_disable(fc_vport, disable);
2079
2080 if (ha->flags.cpu_affinity_enabled) {
2081 req = ha->req_q_map[1];
2082 ql_dbg(ql_dbg_multiq, vha, 0xc000,
2083 "Request queue %p attached with "
2084 "VP[%d], cpu affinity =%d\n",
2085 req, vha->vp_idx, ha->flags.cpu_affinity_enabled);
2086 goto vport_queue;
2087 } else if (ql2xmaxqueues == 1 || !ha->npiv_info)
2088 goto vport_queue;
2089 /* Create a request queue in QoS mode for the vport */
2090 for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
2091 if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
2092 && memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
2093 8) == 0) {
2094 qos = ha->npiv_info[cnt].q_qos;
2095 break;
2096 }
2097 }
2098
2099 if (qos) {
2100 ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0,
2101 qos);
2102 if (!ret)
2103 ql_log(ql_log_warn, vha, 0x7084,
2104 "Can't create request queue for VP[%d]\n",
2105 vha->vp_idx);
2106 else {
2107 ql_dbg(ql_dbg_multiq, vha, 0xc001,
2108 "Request Que:%d Q0s: %d) created for VP[%d]\n",
2109 ret, qos, vha->vp_idx);
2110 ql_dbg(ql_dbg_user, vha, 0x7085,
2111 "Request Que:%d Q0s: %d) created for VP[%d]\n",
2112 ret, qos, vha->vp_idx);
2113 req = ha->req_q_map[ret];
2114 }
2115 }
2116
2117 vport_queue:
2118 vha->req = req;
2119 return 0;
2120
2121 vport_create_failed_2:
2122 qla24xx_disable_vp(vha);
2123 qla24xx_deallocate_vp_id(vha);
2124 scsi_host_put(vha->host);
2125 return FC_VPORT_FAILED;
2126 }
2127
2128 static int
2129 qla24xx_vport_delete(struct fc_vport *fc_vport)
2130 {
2131 scsi_qla_host_t *vha = fc_vport->dd_data;
2132 struct qla_hw_data *ha = vha->hw;
2133 uint16_t id = vha->vp_idx;
2134
2135 while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
2136 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
2137 msleep(1000);
2138
2139 qla24xx_disable_vp(vha);
2140
2141 vha->flags.delete_progress = 1;
2142
2143 qlt_remove_target(ha, vha);
2144
2145 fc_remove_host(vha->host);
2146
2147 scsi_remove_host(vha->host);
2148
2149 /* Allow timer to run to drain queued items, when removing vp */
2150 qla24xx_deallocate_vp_id(vha);
2151
2152 if (vha->timer_active) {
2153 qla2x00_vp_stop_timer(vha);
2154 ql_dbg(ql_dbg_user, vha, 0x7086,
2155 "Timer for the VP[%d] has stopped\n", vha->vp_idx);
2156 }
2157
2158 BUG_ON(atomic_read(&vha->vref_count));
2159
2160 qla2x00_free_fcports(vha);
2161
2162 mutex_lock(&ha->vport_lock);
2163 ha->cur_vport_count--;
2164 clear_bit(vha->vp_idx, ha->vp_idx_map);
2165 mutex_unlock(&ha->vport_lock);
2166
2167 if (vha->req->id && !ha->flags.cpu_affinity_enabled) {
2168 if (qla25xx_delete_req_que(vha, vha->req) != QLA_SUCCESS)
2169 ql_log(ql_log_warn, vha, 0x7087,
2170 "Queue delete failed.\n");
2171 }
2172
2173 ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
2174 scsi_host_put(vha->host);
2175 return 0;
2176 }
2177
2178 static int
2179 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
2180 {
2181 scsi_qla_host_t *vha = fc_vport->dd_data;
2182
2183 if (disable)
2184 qla24xx_disable_vp(vha);
2185 else
2186 qla24xx_enable_vp(vha);
2187
2188 return 0;
2189 }
2190
2191 struct fc_function_template qla2xxx_transport_functions = {
2192
2193 .show_host_node_name = 1,
2194 .show_host_port_name = 1,
2195 .show_host_supported_classes = 1,
2196 .show_host_supported_speeds = 1,
2197
2198 .get_host_port_id = qla2x00_get_host_port_id,
2199 .show_host_port_id = 1,
2200 .get_host_speed = qla2x00_get_host_speed,
2201 .show_host_speed = 1,
2202 .get_host_port_type = qla2x00_get_host_port_type,
2203 .show_host_port_type = 1,
2204 .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2205 .show_host_symbolic_name = 1,
2206 .set_host_system_hostname = qla2x00_set_host_system_hostname,
2207 .show_host_system_hostname = 1,
2208 .get_host_fabric_name = qla2x00_get_host_fabric_name,
2209 .show_host_fabric_name = 1,
2210 .get_host_port_state = qla2x00_get_host_port_state,
2211 .show_host_port_state = 1,
2212
2213 .dd_fcrport_size = sizeof(struct fc_port *),
2214 .show_rport_supported_classes = 1,
2215
2216 .get_starget_node_name = qla2x00_get_starget_node_name,
2217 .show_starget_node_name = 1,
2218 .get_starget_port_name = qla2x00_get_starget_port_name,
2219 .show_starget_port_name = 1,
2220 .get_starget_port_id = qla2x00_get_starget_port_id,
2221 .show_starget_port_id = 1,
2222
2223 .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2224 .show_rport_dev_loss_tmo = 1,
2225
2226 .issue_fc_host_lip = qla2x00_issue_lip,
2227 .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2228 .terminate_rport_io = qla2x00_terminate_rport_io,
2229 .get_fc_host_stats = qla2x00_get_fc_host_stats,
2230 .reset_fc_host_stats = qla2x00_reset_host_stats,
2231
2232 .vport_create = qla24xx_vport_create,
2233 .vport_disable = qla24xx_vport_disable,
2234 .vport_delete = qla24xx_vport_delete,
2235 .bsg_request = qla24xx_bsg_request,
2236 .bsg_timeout = qla24xx_bsg_timeout,
2237 };
2238
2239 struct fc_function_template qla2xxx_transport_vport_functions = {
2240
2241 .show_host_node_name = 1,
2242 .show_host_port_name = 1,
2243 .show_host_supported_classes = 1,
2244
2245 .get_host_port_id = qla2x00_get_host_port_id,
2246 .show_host_port_id = 1,
2247 .get_host_speed = qla2x00_get_host_speed,
2248 .show_host_speed = 1,
2249 .get_host_port_type = qla2x00_get_host_port_type,
2250 .show_host_port_type = 1,
2251 .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2252 .show_host_symbolic_name = 1,
2253 .set_host_system_hostname = qla2x00_set_host_system_hostname,
2254 .show_host_system_hostname = 1,
2255 .get_host_fabric_name = qla2x00_get_host_fabric_name,
2256 .show_host_fabric_name = 1,
2257 .get_host_port_state = qla2x00_get_host_port_state,
2258 .show_host_port_state = 1,
2259
2260 .dd_fcrport_size = sizeof(struct fc_port *),
2261 .show_rport_supported_classes = 1,
2262
2263 .get_starget_node_name = qla2x00_get_starget_node_name,
2264 .show_starget_node_name = 1,
2265 .get_starget_port_name = qla2x00_get_starget_port_name,
2266 .show_starget_port_name = 1,
2267 .get_starget_port_id = qla2x00_get_starget_port_id,
2268 .show_starget_port_id = 1,
2269
2270 .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2271 .show_rport_dev_loss_tmo = 1,
2272
2273 .issue_fc_host_lip = qla2x00_issue_lip,
2274 .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2275 .terminate_rport_io = qla2x00_terminate_rport_io,
2276 .get_fc_host_stats = qla2x00_get_fc_host_stats,
2277 .reset_fc_host_stats = qla2x00_reset_host_stats,
2278
2279 .bsg_request = qla24xx_bsg_request,
2280 .bsg_timeout = qla24xx_bsg_timeout,
2281 };
2282
2283 void
2284 qla2x00_init_host_attr(scsi_qla_host_t *vha)
2285 {
2286 struct qla_hw_data *ha = vha->hw;
2287 u32 speed = FC_PORTSPEED_UNKNOWN;
2288
2289 fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2290 fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2291 fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2292 fc_host_supported_classes(vha->host) = ha->tgt.enable_class_2 ?
2293 (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
2294 fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
2295 fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
2296
2297 if (IS_CNA_CAPABLE(ha))
2298 speed = FC_PORTSPEED_10GBIT;
2299 else if (IS_QLA2031(ha))
2300 speed = FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
2301 FC_PORTSPEED_4GBIT;
2302 else if (IS_QLA25XX(ha))
2303 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2304 FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2305 else if (IS_QLA24XX_TYPE(ha))
2306 speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
2307 FC_PORTSPEED_1GBIT;
2308 else if (IS_QLA23XX(ha))
2309 speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2310 else if (IS_QLAFX00(ha))
2311 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2312 FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2313 else if (IS_QLA27XX(ha))
2314 speed = FC_PORTSPEED_32GBIT | FC_PORTSPEED_16GBIT |
2315 FC_PORTSPEED_8GBIT;
2316 else
2317 speed = FC_PORTSPEED_1GBIT;
2318 fc_host_supported_speeds(vha->host) = speed;
2319 }
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