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Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
[mirror_ubuntu-artful-kernel.git] / drivers / scsi / qla2xxx / qla_attr.c
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2014 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 || IS_QLA27XX(ha))
489 valid = 1;
490 if (!valid) {
491 ql_log(ql_log_warn, vha, 0x7065,
492 "Invalid start region 0x%x/0x%x.\n", start, size);
493 rval = -EINVAL;
494 goto out;
495 }
496
497 ha->optrom_region_start = start;
498 ha->optrom_region_size = start + size > ha->optrom_size ?
499 ha->optrom_size - start : size;
500
501 ha->optrom_state = QLA_SWRITING;
502 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
503 if (ha->optrom_buffer == NULL) {
504 ql_log(ql_log_warn, vha, 0x7066,
505 "Unable to allocate memory for optrom update "
506 "(%x)\n", ha->optrom_region_size);
507
508 ha->optrom_state = QLA_SWAITING;
509 rval = -ENOMEM;
510 goto out;
511 }
512
513 ql_dbg(ql_dbg_user, vha, 0x7067,
514 "Staging flash region write -- 0x%x/0x%x.\n",
515 ha->optrom_region_start, ha->optrom_region_size);
516
517 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
518 break;
519 case 3:
520 if (ha->optrom_state != QLA_SWRITING) {
521 rval = -EINVAL;
522 goto out;
523 }
524
525 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
526 ql_log(ql_log_warn, vha, 0x7068,
527 "HBA not online, failing flash update.\n");
528 rval = -EAGAIN;
529 goto out;
530 }
531
532 ql_dbg(ql_dbg_user, vha, 0x7069,
533 "Writing flash region -- 0x%x/0x%x.\n",
534 ha->optrom_region_start, ha->optrom_region_size);
535
536 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
537 ha->optrom_region_start, ha->optrom_region_size);
538 break;
539 default:
540 rval = -EINVAL;
541 }
542
543 out:
544 mutex_unlock(&ha->optrom_mutex);
545 return rval;
546 }
547
548 static struct bin_attribute sysfs_optrom_ctl_attr = {
549 .attr = {
550 .name = "optrom_ctl",
551 .mode = S_IWUSR,
552 },
553 .size = 0,
554 .write = qla2x00_sysfs_write_optrom_ctl,
555 };
556
557 static ssize_t
558 qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
559 struct bin_attribute *bin_attr,
560 char *buf, loff_t off, size_t count)
561 {
562 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
563 struct device, kobj)));
564 struct qla_hw_data *ha = vha->hw;
565
566 if (unlikely(pci_channel_offline(ha->pdev)))
567 return -EAGAIN;
568
569 if (!capable(CAP_SYS_ADMIN))
570 return -EINVAL;
571
572 if (IS_NOCACHE_VPD_TYPE(ha))
573 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
574 ha->vpd_size);
575 return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
576 }
577
578 static ssize_t
579 qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
580 struct bin_attribute *bin_attr,
581 char *buf, loff_t off, size_t count)
582 {
583 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
584 struct device, kobj)));
585 struct qla_hw_data *ha = vha->hw;
586 uint8_t *tmp_data;
587
588 if (unlikely(pci_channel_offline(ha->pdev)))
589 return 0;
590
591 if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
592 !ha->isp_ops->write_nvram)
593 return 0;
594
595 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
596 ql_log(ql_log_warn, vha, 0x706a,
597 "HBA not online, failing VPD update.\n");
598 return -EAGAIN;
599 }
600
601 /* Write NVRAM. */
602 ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
603 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
604
605 /* Update flash version information for 4Gb & above. */
606 if (!IS_FWI2_CAPABLE(ha))
607 return -EINVAL;
608
609 tmp_data = vmalloc(256);
610 if (!tmp_data) {
611 ql_log(ql_log_warn, vha, 0x706b,
612 "Unable to allocate memory for VPD information update.\n");
613 return -ENOMEM;
614 }
615 ha->isp_ops->get_flash_version(vha, tmp_data);
616 vfree(tmp_data);
617
618 return count;
619 }
620
621 static struct bin_attribute sysfs_vpd_attr = {
622 .attr = {
623 .name = "vpd",
624 .mode = S_IRUSR | S_IWUSR,
625 },
626 .size = 0,
627 .read = qla2x00_sysfs_read_vpd,
628 .write = qla2x00_sysfs_write_vpd,
629 };
630
631 static ssize_t
632 qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
633 struct bin_attribute *bin_attr,
634 char *buf, loff_t off, size_t count)
635 {
636 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
637 struct device, kobj)));
638 struct qla_hw_data *ha = vha->hw;
639 uint16_t iter, addr, offset;
640 int rval;
641
642 if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
643 return 0;
644
645 if (ha->sfp_data)
646 goto do_read;
647
648 ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
649 &ha->sfp_data_dma);
650 if (!ha->sfp_data) {
651 ql_log(ql_log_warn, vha, 0x706c,
652 "Unable to allocate memory for SFP read-data.\n");
653 return 0;
654 }
655
656 do_read:
657 memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
658 addr = 0xa0;
659 for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
660 iter++, offset += SFP_BLOCK_SIZE) {
661 if (iter == 4) {
662 /* Skip to next device address. */
663 addr = 0xa2;
664 offset = 0;
665 }
666
667 rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, ha->sfp_data,
668 addr, offset, SFP_BLOCK_SIZE, BIT_1);
669 if (rval != QLA_SUCCESS) {
670 ql_log(ql_log_warn, vha, 0x706d,
671 "Unable to read SFP data (%x/%x/%x).\n", rval,
672 addr, offset);
673
674 return -EIO;
675 }
676 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
677 buf += SFP_BLOCK_SIZE;
678 }
679
680 return count;
681 }
682
683 static struct bin_attribute sysfs_sfp_attr = {
684 .attr = {
685 .name = "sfp",
686 .mode = S_IRUSR | S_IWUSR,
687 },
688 .size = SFP_DEV_SIZE * 2,
689 .read = qla2x00_sysfs_read_sfp,
690 };
691
692 static ssize_t
693 qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
694 struct bin_attribute *bin_attr,
695 char *buf, loff_t off, size_t count)
696 {
697 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
698 struct device, kobj)));
699 struct qla_hw_data *ha = vha->hw;
700 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
701 int type;
702 uint32_t idc_control;
703 uint8_t *tmp_data = NULL;
704 if (off != 0)
705 return -EINVAL;
706
707 type = simple_strtol(buf, NULL, 10);
708 switch (type) {
709 case 0x2025c:
710 ql_log(ql_log_info, vha, 0x706e,
711 "Issuing ISP reset.\n");
712
713 scsi_block_requests(vha->host);
714 if (IS_QLA82XX(ha)) {
715 ha->flags.isp82xx_no_md_cap = 1;
716 qla82xx_idc_lock(ha);
717 qla82xx_set_reset_owner(vha);
718 qla82xx_idc_unlock(ha);
719 } else if (IS_QLA8044(ha)) {
720 qla8044_idc_lock(ha);
721 idc_control = qla8044_rd_reg(ha,
722 QLA8044_IDC_DRV_CTRL);
723 qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
724 (idc_control | GRACEFUL_RESET_BIT1));
725 qla82xx_set_reset_owner(vha);
726 qla8044_idc_unlock(ha);
727 } else {
728 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
729 qla2xxx_wake_dpc(vha);
730 }
731 qla2x00_wait_for_chip_reset(vha);
732 scsi_unblock_requests(vha->host);
733 break;
734 case 0x2025d:
735 if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
736 return -EPERM;
737
738 ql_log(ql_log_info, vha, 0x706f,
739 "Issuing MPI reset.\n");
740
741 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
742 uint32_t idc_control;
743
744 qla83xx_idc_lock(vha, 0);
745 __qla83xx_get_idc_control(vha, &idc_control);
746 idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
747 __qla83xx_set_idc_control(vha, idc_control);
748 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
749 QLA8XXX_DEV_NEED_RESET);
750 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
751 qla83xx_idc_unlock(vha, 0);
752 break;
753 } else {
754 /* Make sure FC side is not in reset */
755 qla2x00_wait_for_hba_online(vha);
756
757 /* Issue MPI reset */
758 scsi_block_requests(vha->host);
759 if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
760 ql_log(ql_log_warn, vha, 0x7070,
761 "MPI reset failed.\n");
762 scsi_unblock_requests(vha->host);
763 break;
764 }
765 case 0x2025e:
766 if (!IS_P3P_TYPE(ha) || vha != base_vha) {
767 ql_log(ql_log_info, vha, 0x7071,
768 "FCoE ctx reset no supported.\n");
769 return -EPERM;
770 }
771
772 ql_log(ql_log_info, vha, 0x7072,
773 "Issuing FCoE ctx reset.\n");
774 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
775 qla2xxx_wake_dpc(vha);
776 qla2x00_wait_for_fcoe_ctx_reset(vha);
777 break;
778 case 0x2025f:
779 if (!IS_QLA8031(ha))
780 return -EPERM;
781 ql_log(ql_log_info, vha, 0x70bc,
782 "Disabling Reset by IDC control\n");
783 qla83xx_idc_lock(vha, 0);
784 __qla83xx_get_idc_control(vha, &idc_control);
785 idc_control |= QLA83XX_IDC_RESET_DISABLED;
786 __qla83xx_set_idc_control(vha, idc_control);
787 qla83xx_idc_unlock(vha, 0);
788 break;
789 case 0x20260:
790 if (!IS_QLA8031(ha))
791 return -EPERM;
792 ql_log(ql_log_info, vha, 0x70bd,
793 "Enabling Reset by IDC control\n");
794 qla83xx_idc_lock(vha, 0);
795 __qla83xx_get_idc_control(vha, &idc_control);
796 idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
797 __qla83xx_set_idc_control(vha, idc_control);
798 qla83xx_idc_unlock(vha, 0);
799 break;
800 case 0x20261:
801 ql_dbg(ql_dbg_user, vha, 0x70e0,
802 "Updating cache versions without reset ");
803
804 tmp_data = vmalloc(256);
805 if (!tmp_data) {
806 ql_log(ql_log_warn, vha, 0x70e1,
807 "Unable to allocate memory for VPD information update.\n");
808 return -ENOMEM;
809 }
810 ha->isp_ops->get_flash_version(vha, tmp_data);
811 vfree(tmp_data);
812 break;
813 }
814 return count;
815 }
816
817 static struct bin_attribute sysfs_reset_attr = {
818 .attr = {
819 .name = "reset",
820 .mode = S_IWUSR,
821 },
822 .size = 0,
823 .write = qla2x00_sysfs_write_reset,
824 };
825
826 static ssize_t
827 qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
828 struct bin_attribute *bin_attr,
829 char *buf, loff_t off, size_t count)
830 {
831 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
832 struct device, kobj)));
833 struct qla_hw_data *ha = vha->hw;
834 int rval;
835 uint16_t actual_size;
836
837 if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
838 return 0;
839
840 if (ha->xgmac_data)
841 goto do_read;
842
843 ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
844 &ha->xgmac_data_dma, GFP_KERNEL);
845 if (!ha->xgmac_data) {
846 ql_log(ql_log_warn, vha, 0x7076,
847 "Unable to allocate memory for XGMAC read-data.\n");
848 return 0;
849 }
850
851 do_read:
852 actual_size = 0;
853 memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
854
855 rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
856 XGMAC_DATA_SIZE, &actual_size);
857 if (rval != QLA_SUCCESS) {
858 ql_log(ql_log_warn, vha, 0x7077,
859 "Unable to read XGMAC data (%x).\n", rval);
860 count = 0;
861 }
862
863 count = actual_size > count ? count: actual_size;
864 memcpy(buf, ha->xgmac_data, count);
865
866 return count;
867 }
868
869 static struct bin_attribute sysfs_xgmac_stats_attr = {
870 .attr = {
871 .name = "xgmac_stats",
872 .mode = S_IRUSR,
873 },
874 .size = 0,
875 .read = qla2x00_sysfs_read_xgmac_stats,
876 };
877
878 static ssize_t
879 qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
880 struct bin_attribute *bin_attr,
881 char *buf, loff_t off, size_t count)
882 {
883 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
884 struct device, kobj)));
885 struct qla_hw_data *ha = vha->hw;
886 int rval;
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 memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
904
905 rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
906 DCBX_TLV_DATA_SIZE);
907 if (rval != QLA_SUCCESS) {
908 ql_log(ql_log_warn, vha, 0x7079,
909 "Unable to read DCBX TLV (%x).\n", rval);
910 return -EIO;
911 }
912
913 memcpy(buf, ha->dcbx_tlv, count);
914
915 return count;
916 }
917
918 static struct bin_attribute sysfs_dcbx_tlv_attr = {
919 .attr = {
920 .name = "dcbx_tlv",
921 .mode = S_IRUSR,
922 },
923 .size = 0,
924 .read = qla2x00_sysfs_read_dcbx_tlv,
925 };
926
927 static struct sysfs_entry {
928 char *name;
929 struct bin_attribute *attr;
930 int is4GBp_only;
931 } bin_file_entries[] = {
932 { "fw_dump", &sysfs_fw_dump_attr, },
933 { "fw_dump_template", &sysfs_fw_dump_template_attr, 0x27 },
934 { "nvram", &sysfs_nvram_attr, },
935 { "optrom", &sysfs_optrom_attr, },
936 { "optrom_ctl", &sysfs_optrom_ctl_attr, },
937 { "vpd", &sysfs_vpd_attr, 1 },
938 { "sfp", &sysfs_sfp_attr, 1 },
939 { "reset", &sysfs_reset_attr, },
940 { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
941 { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
942 { NULL },
943 };
944
945 void
946 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
947 {
948 struct Scsi_Host *host = vha->host;
949 struct sysfs_entry *iter;
950 int ret;
951
952 for (iter = bin_file_entries; iter->name; iter++) {
953 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
954 continue;
955 if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
956 continue;
957 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
958 continue;
959 if (iter->is4GBp_only == 0x27 && !IS_QLA27XX(vha->hw))
960 continue;
961
962 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
963 iter->attr);
964 if (ret)
965 ql_log(ql_log_warn, vha, 0x00f3,
966 "Unable to create sysfs %s binary attribute (%d).\n",
967 iter->name, ret);
968 else
969 ql_dbg(ql_dbg_init, vha, 0x00f4,
970 "Successfully created sysfs %s binary attribure.\n",
971 iter->name);
972 }
973 }
974
975 void
976 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
977 {
978 struct Scsi_Host *host = vha->host;
979 struct sysfs_entry *iter;
980 struct qla_hw_data *ha = vha->hw;
981
982 for (iter = bin_file_entries; iter->name; iter++) {
983 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
984 continue;
985 if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
986 continue;
987 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
988 continue;
989 if (iter->is4GBp_only == 0x27 && !IS_QLA27XX(vha->hw))
990 continue;
991
992 sysfs_remove_bin_file(&host->shost_gendev.kobj,
993 iter->attr);
994 }
995
996 if (stop_beacon && ha->beacon_blink_led == 1)
997 ha->isp_ops->beacon_off(vha);
998 }
999
1000 /* Scsi_Host attributes. */
1001
1002 static ssize_t
1003 qla2x00_drvr_version_show(struct device *dev,
1004 struct device_attribute *attr, char *buf)
1005 {
1006 return scnprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
1007 }
1008
1009 static ssize_t
1010 qla2x00_fw_version_show(struct device *dev,
1011 struct device_attribute *attr, char *buf)
1012 {
1013 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1014 struct qla_hw_data *ha = vha->hw;
1015 char fw_str[128];
1016
1017 return scnprintf(buf, PAGE_SIZE, "%s\n",
1018 ha->isp_ops->fw_version_str(vha, fw_str, sizeof(fw_str)));
1019 }
1020
1021 static ssize_t
1022 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
1023 char *buf)
1024 {
1025 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1026 struct qla_hw_data *ha = vha->hw;
1027 uint32_t sn;
1028
1029 if (IS_QLAFX00(vha->hw)) {
1030 return scnprintf(buf, PAGE_SIZE, "%s\n",
1031 vha->hw->mr.serial_num);
1032 } else if (IS_FWI2_CAPABLE(ha)) {
1033 qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1);
1034 return strlen(strcat(buf, "\n"));
1035 }
1036
1037 sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1038 return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
1039 sn % 100000);
1040 }
1041
1042 static ssize_t
1043 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
1044 char *buf)
1045 {
1046 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1047 return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
1048 }
1049
1050 static ssize_t
1051 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
1052 char *buf)
1053 {
1054 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1055 struct qla_hw_data *ha = vha->hw;
1056
1057 if (IS_QLAFX00(vha->hw))
1058 return scnprintf(buf, PAGE_SIZE, "%s\n",
1059 vha->hw->mr.hw_version);
1060
1061 return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
1062 ha->product_id[0], ha->product_id[1], ha->product_id[2],
1063 ha->product_id[3]);
1064 }
1065
1066 static ssize_t
1067 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
1068 char *buf)
1069 {
1070 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1071
1072 return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
1073 }
1074
1075 static ssize_t
1076 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
1077 char *buf)
1078 {
1079 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1080 return scnprintf(buf, PAGE_SIZE, "%s\n", 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 !IS_QLA27XX(ha))
1350 return scnprintf(buf, PAGE_SIZE, "\n");
1351
1352 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1353 ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1354 ha->mpi_capabilities);
1355 }
1356
1357 static ssize_t
1358 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1359 char *buf)
1360 {
1361 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1362 struct qla_hw_data *ha = vha->hw;
1363
1364 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1365 return scnprintf(buf, PAGE_SIZE, "\n");
1366
1367 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1368 ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1369 }
1370
1371 static ssize_t
1372 qla2x00_flash_block_size_show(struct device *dev,
1373 struct device_attribute *attr, char *buf)
1374 {
1375 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1376 struct qla_hw_data *ha = vha->hw;
1377
1378 return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1379 }
1380
1381 static ssize_t
1382 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1383 char *buf)
1384 {
1385 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1386
1387 if (!IS_CNA_CAPABLE(vha->hw))
1388 return scnprintf(buf, PAGE_SIZE, "\n");
1389
1390 return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1391 }
1392
1393 static ssize_t
1394 qla2x00_vn_port_mac_address_show(struct device *dev,
1395 struct device_attribute *attr, char *buf)
1396 {
1397 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1398
1399 if (!IS_CNA_CAPABLE(vha->hw))
1400 return scnprintf(buf, PAGE_SIZE, "\n");
1401
1402 return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
1403 }
1404
1405 static ssize_t
1406 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1407 char *buf)
1408 {
1409 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1410
1411 return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1412 }
1413
1414 static ssize_t
1415 qla2x00_thermal_temp_show(struct device *dev,
1416 struct device_attribute *attr, char *buf)
1417 {
1418 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1419 uint16_t temp = 0;
1420
1421 if (qla2x00_reset_active(vha)) {
1422 ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1423 goto done;
1424 }
1425
1426 if (vha->hw->flags.eeh_busy) {
1427 ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1428 goto done;
1429 }
1430
1431 if (qla2x00_get_thermal_temp(vha, &temp) == QLA_SUCCESS)
1432 return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
1433
1434 done:
1435 return scnprintf(buf, PAGE_SIZE, "\n");
1436 }
1437
1438 static ssize_t
1439 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1440 char *buf)
1441 {
1442 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1443 int rval = QLA_FUNCTION_FAILED;
1444 uint16_t state[6];
1445 uint32_t pstate;
1446
1447 if (IS_QLAFX00(vha->hw)) {
1448 pstate = qlafx00_fw_state_show(dev, attr, buf);
1449 return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1450 }
1451
1452 if (qla2x00_reset_active(vha))
1453 ql_log(ql_log_warn, vha, 0x707c,
1454 "ISP reset active.\n");
1455 else if (!vha->hw->flags.eeh_busy)
1456 rval = qla2x00_get_firmware_state(vha, state);
1457 if (rval != QLA_SUCCESS)
1458 memset(state, -1, sizeof(state));
1459
1460 return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1461 state[0], state[1], state[2], state[3], state[4], state[5]);
1462 }
1463
1464 static ssize_t
1465 qla2x00_diag_requests_show(struct device *dev,
1466 struct device_attribute *attr, char *buf)
1467 {
1468 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1469
1470 if (!IS_BIDI_CAPABLE(vha->hw))
1471 return scnprintf(buf, PAGE_SIZE, "\n");
1472
1473 return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1474 }
1475
1476 static ssize_t
1477 qla2x00_diag_megabytes_show(struct device *dev,
1478 struct device_attribute *attr, char *buf)
1479 {
1480 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1481
1482 if (!IS_BIDI_CAPABLE(vha->hw))
1483 return scnprintf(buf, PAGE_SIZE, "\n");
1484
1485 return scnprintf(buf, PAGE_SIZE, "%llu\n",
1486 vha->bidi_stats.transfer_bytes >> 20);
1487 }
1488
1489 static ssize_t
1490 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1491 char *buf)
1492 {
1493 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1494 struct qla_hw_data *ha = vha->hw;
1495 uint32_t size;
1496
1497 if (!ha->fw_dumped)
1498 size = 0;
1499 else if (IS_P3P_TYPE(ha))
1500 size = ha->md_template_size + ha->md_dump_size;
1501 else
1502 size = ha->fw_dump_len;
1503
1504 return scnprintf(buf, PAGE_SIZE, "%d\n", size);
1505 }
1506
1507 static ssize_t
1508 qla2x00_allow_cna_fw_dump_show(struct device *dev,
1509 struct device_attribute *attr, char *buf)
1510 {
1511 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1512
1513 if (!IS_P3P_TYPE(vha->hw))
1514 return scnprintf(buf, PAGE_SIZE, "\n");
1515 else
1516 return scnprintf(buf, PAGE_SIZE, "%s\n",
1517 vha->hw->allow_cna_fw_dump ? "true" : "false");
1518 }
1519
1520 static ssize_t
1521 qla2x00_allow_cna_fw_dump_store(struct device *dev,
1522 struct device_attribute *attr, const char *buf, size_t count)
1523 {
1524 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1525 int val = 0;
1526
1527 if (!IS_P3P_TYPE(vha->hw))
1528 return -EINVAL;
1529
1530 if (sscanf(buf, "%d", &val) != 1)
1531 return -EINVAL;
1532
1533 vha->hw->allow_cna_fw_dump = val != 0;
1534
1535 return strlen(buf);
1536 }
1537
1538 static ssize_t
1539 qla2x00_pep_version_show(struct device *dev, struct device_attribute *attr,
1540 char *buf)
1541 {
1542 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1543 struct qla_hw_data *ha = vha->hw;
1544
1545 if (!IS_QLA27XX(ha))
1546 return scnprintf(buf, PAGE_SIZE, "\n");
1547
1548 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1549 ha->pep_version[0], ha->pep_version[1], ha->pep_version[2]);
1550 }
1551
1552 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
1553 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
1554 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
1555 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
1556 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
1557 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
1558 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
1559 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
1560 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
1561 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
1562 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
1563 qla2x00_zio_timer_store);
1564 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
1565 qla2x00_beacon_store);
1566 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
1567 qla2x00_optrom_bios_version_show, NULL);
1568 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
1569 qla2x00_optrom_efi_version_show, NULL);
1570 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
1571 qla2x00_optrom_fcode_version_show, NULL);
1572 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
1573 NULL);
1574 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
1575 qla2x00_optrom_gold_fw_version_show, NULL);
1576 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
1577 NULL);
1578 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
1579 NULL);
1580 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
1581 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
1582 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
1583 NULL);
1584 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
1585 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
1586 qla2x00_vn_port_mac_address_show, NULL);
1587 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
1588 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
1589 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
1590 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
1591 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
1592 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
1593 static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR,
1594 qla2x00_allow_cna_fw_dump_show,
1595 qla2x00_allow_cna_fw_dump_store);
1596 static DEVICE_ATTR(pep_version, S_IRUGO, qla2x00_pep_version_show, NULL);
1597
1598 struct device_attribute *qla2x00_host_attrs[] = {
1599 &dev_attr_driver_version,
1600 &dev_attr_fw_version,
1601 &dev_attr_serial_num,
1602 &dev_attr_isp_name,
1603 &dev_attr_isp_id,
1604 &dev_attr_model_name,
1605 &dev_attr_model_desc,
1606 &dev_attr_pci_info,
1607 &dev_attr_link_state,
1608 &dev_attr_zio,
1609 &dev_attr_zio_timer,
1610 &dev_attr_beacon,
1611 &dev_attr_optrom_bios_version,
1612 &dev_attr_optrom_efi_version,
1613 &dev_attr_optrom_fcode_version,
1614 &dev_attr_optrom_fw_version,
1615 &dev_attr_84xx_fw_version,
1616 &dev_attr_total_isp_aborts,
1617 &dev_attr_mpi_version,
1618 &dev_attr_phy_version,
1619 &dev_attr_flash_block_size,
1620 &dev_attr_vlan_id,
1621 &dev_attr_vn_port_mac_address,
1622 &dev_attr_fabric_param,
1623 &dev_attr_fw_state,
1624 &dev_attr_optrom_gold_fw_version,
1625 &dev_attr_thermal_temp,
1626 &dev_attr_diag_requests,
1627 &dev_attr_diag_megabytes,
1628 &dev_attr_fw_dump_size,
1629 &dev_attr_allow_cna_fw_dump,
1630 &dev_attr_pep_version,
1631 NULL,
1632 };
1633
1634 /* Host attributes. */
1635
1636 static void
1637 qla2x00_get_host_port_id(struct Scsi_Host *shost)
1638 {
1639 scsi_qla_host_t *vha = shost_priv(shost);
1640
1641 fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
1642 vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
1643 }
1644
1645 static void
1646 qla2x00_get_host_speed(struct Scsi_Host *shost)
1647 {
1648 struct qla_hw_data *ha = ((struct scsi_qla_host *)
1649 (shost_priv(shost)))->hw;
1650 u32 speed = FC_PORTSPEED_UNKNOWN;
1651
1652 if (IS_QLAFX00(ha)) {
1653 qlafx00_get_host_speed(shost);
1654 return;
1655 }
1656
1657 switch (ha->link_data_rate) {
1658 case PORT_SPEED_1GB:
1659 speed = FC_PORTSPEED_1GBIT;
1660 break;
1661 case PORT_SPEED_2GB:
1662 speed = FC_PORTSPEED_2GBIT;
1663 break;
1664 case PORT_SPEED_4GB:
1665 speed = FC_PORTSPEED_4GBIT;
1666 break;
1667 case PORT_SPEED_8GB:
1668 speed = FC_PORTSPEED_8GBIT;
1669 break;
1670 case PORT_SPEED_10GB:
1671 speed = FC_PORTSPEED_10GBIT;
1672 break;
1673 case PORT_SPEED_16GB:
1674 speed = FC_PORTSPEED_16GBIT;
1675 break;
1676 case PORT_SPEED_32GB:
1677 speed = FC_PORTSPEED_32GBIT;
1678 break;
1679 }
1680 fc_host_speed(shost) = speed;
1681 }
1682
1683 static void
1684 qla2x00_get_host_port_type(struct Scsi_Host *shost)
1685 {
1686 scsi_qla_host_t *vha = shost_priv(shost);
1687 uint32_t port_type = FC_PORTTYPE_UNKNOWN;
1688
1689 if (vha->vp_idx) {
1690 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1691 return;
1692 }
1693 switch (vha->hw->current_topology) {
1694 case ISP_CFG_NL:
1695 port_type = FC_PORTTYPE_LPORT;
1696 break;
1697 case ISP_CFG_FL:
1698 port_type = FC_PORTTYPE_NLPORT;
1699 break;
1700 case ISP_CFG_N:
1701 port_type = FC_PORTTYPE_PTP;
1702 break;
1703 case ISP_CFG_F:
1704 port_type = FC_PORTTYPE_NPORT;
1705 break;
1706 }
1707 fc_host_port_type(shost) = port_type;
1708 }
1709
1710 static void
1711 qla2x00_get_starget_node_name(struct scsi_target *starget)
1712 {
1713 struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1714 scsi_qla_host_t *vha = shost_priv(host);
1715 fc_port_t *fcport;
1716 u64 node_name = 0;
1717
1718 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1719 if (fcport->rport &&
1720 starget->id == fcport->rport->scsi_target_id) {
1721 node_name = wwn_to_u64(fcport->node_name);
1722 break;
1723 }
1724 }
1725
1726 fc_starget_node_name(starget) = node_name;
1727 }
1728
1729 static void
1730 qla2x00_get_starget_port_name(struct scsi_target *starget)
1731 {
1732 struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1733 scsi_qla_host_t *vha = shost_priv(host);
1734 fc_port_t *fcport;
1735 u64 port_name = 0;
1736
1737 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1738 if (fcport->rport &&
1739 starget->id == fcport->rport->scsi_target_id) {
1740 port_name = wwn_to_u64(fcport->port_name);
1741 break;
1742 }
1743 }
1744
1745 fc_starget_port_name(starget) = port_name;
1746 }
1747
1748 static void
1749 qla2x00_get_starget_port_id(struct scsi_target *starget)
1750 {
1751 struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1752 scsi_qla_host_t *vha = shost_priv(host);
1753 fc_port_t *fcport;
1754 uint32_t port_id = ~0U;
1755
1756 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1757 if (fcport->rport &&
1758 starget->id == fcport->rport->scsi_target_id) {
1759 port_id = fcport->d_id.b.domain << 16 |
1760 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
1761 break;
1762 }
1763 }
1764
1765 fc_starget_port_id(starget) = port_id;
1766 }
1767
1768 static void
1769 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1770 {
1771 if (timeout)
1772 rport->dev_loss_tmo = timeout;
1773 else
1774 rport->dev_loss_tmo = 1;
1775 }
1776
1777 static void
1778 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
1779 {
1780 struct Scsi_Host *host = rport_to_shost(rport);
1781 fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1782 unsigned long flags;
1783
1784 if (!fcport)
1785 return;
1786
1787 /* Now that the rport has been deleted, set the fcport state to
1788 FCS_DEVICE_DEAD */
1789 qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
1790
1791 /*
1792 * Transport has effectively 'deleted' the rport, clear
1793 * all local references.
1794 */
1795 spin_lock_irqsave(host->host_lock, flags);
1796 fcport->rport = fcport->drport = NULL;
1797 *((fc_port_t **)rport->dd_data) = NULL;
1798 spin_unlock_irqrestore(host->host_lock, flags);
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
1809 static void
1810 qla2x00_terminate_rport_io(struct fc_rport *rport)
1811 {
1812 fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1813
1814 if (!fcport)
1815 return;
1816
1817 if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1818 return;
1819
1820 if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1821 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1822 return;
1823 }
1824 /*
1825 * At this point all fcport's software-states are cleared. Perform any
1826 * final cleanup of firmware resources (PCBs and XCBs).
1827 */
1828 if (fcport->loop_id != FC_NO_LOOP_ID) {
1829 if (IS_FWI2_CAPABLE(fcport->vha->hw))
1830 fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
1831 fcport->loop_id, fcport->d_id.b.domain,
1832 fcport->d_id.b.area, fcport->d_id.b.al_pa);
1833 else
1834 qla2x00_port_logout(fcport->vha, fcport);
1835 }
1836 }
1837
1838 static int
1839 qla2x00_issue_lip(struct Scsi_Host *shost)
1840 {
1841 scsi_qla_host_t *vha = shost_priv(shost);
1842
1843 if (IS_QLAFX00(vha->hw))
1844 return 0;
1845
1846 qla2x00_loop_reset(vha);
1847 return 0;
1848 }
1849
1850 static struct fc_host_statistics *
1851 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1852 {
1853 scsi_qla_host_t *vha = shost_priv(shost);
1854 struct qla_hw_data *ha = vha->hw;
1855 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1856 int rval;
1857 struct link_statistics *stats;
1858 dma_addr_t stats_dma;
1859 struct fc_host_statistics *pfc_host_stat;
1860
1861 pfc_host_stat = &vha->fc_host_stat;
1862 memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
1863
1864 if (IS_QLAFX00(vha->hw))
1865 goto done;
1866
1867 if (test_bit(UNLOADING, &vha->dpc_flags))
1868 goto done;
1869
1870 if (unlikely(pci_channel_offline(ha->pdev)))
1871 goto done;
1872
1873 if (qla2x00_reset_active(vha))
1874 goto done;
1875
1876 stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
1877 if (stats == NULL) {
1878 ql_log(ql_log_warn, vha, 0x707d,
1879 "Failed to allocate memory for stats.\n");
1880 goto done;
1881 }
1882 memset(stats, 0, DMA_POOL_SIZE);
1883
1884 rval = QLA_FUNCTION_FAILED;
1885 if (IS_FWI2_CAPABLE(ha)) {
1886 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
1887 } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
1888 !ha->dpc_active) {
1889 /* Must be in a 'READY' state for statistics retrieval. */
1890 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
1891 stats, stats_dma);
1892 }
1893
1894 if (rval != QLA_SUCCESS)
1895 goto done_free;
1896
1897 pfc_host_stat->link_failure_count = stats->link_fail_cnt;
1898 pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt;
1899 pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt;
1900 pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
1901 pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt;
1902 pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt;
1903 if (IS_FWI2_CAPABLE(ha)) {
1904 pfc_host_stat->lip_count = stats->lip_cnt;
1905 pfc_host_stat->tx_frames = stats->tx_frames;
1906 pfc_host_stat->rx_frames = stats->rx_frames;
1907 pfc_host_stat->dumped_frames = stats->discarded_frames;
1908 pfc_host_stat->nos_count = stats->nos_rcvd;
1909 pfc_host_stat->error_frames =
1910 stats->dropped_frames + stats->discarded_frames;
1911 pfc_host_stat->rx_words = vha->qla_stats.input_bytes;
1912 pfc_host_stat->tx_words = vha->qla_stats.output_bytes;
1913 }
1914 pfc_host_stat->fcp_control_requests = vha->qla_stats.control_requests;
1915 pfc_host_stat->fcp_input_requests = vha->qla_stats.input_requests;
1916 pfc_host_stat->fcp_output_requests = vha->qla_stats.output_requests;
1917 pfc_host_stat->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
1918 pfc_host_stat->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
1919 pfc_host_stat->seconds_since_last_reset =
1920 get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
1921 do_div(pfc_host_stat->seconds_since_last_reset, HZ);
1922
1923 done_free:
1924 dma_pool_free(ha->s_dma_pool, stats, stats_dma);
1925 done:
1926 return pfc_host_stat;
1927 }
1928
1929 static void
1930 qla2x00_reset_host_stats(struct Scsi_Host *shost)
1931 {
1932 scsi_qla_host_t *vha = shost_priv(shost);
1933
1934 memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
1935
1936 vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
1937 }
1938
1939 static void
1940 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
1941 {
1942 scsi_qla_host_t *vha = shost_priv(shost);
1943
1944 qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost),
1945 sizeof(fc_host_symbolic_name(shost)));
1946 }
1947
1948 static void
1949 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
1950 {
1951 scsi_qla_host_t *vha = shost_priv(shost);
1952
1953 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1954 }
1955
1956 static void
1957 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
1958 {
1959 scsi_qla_host_t *vha = shost_priv(shost);
1960 uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
1961 0xFF, 0xFF, 0xFF, 0xFF};
1962 u64 fabric_name = wwn_to_u64(node_name);
1963
1964 if (vha->device_flags & SWITCH_FOUND)
1965 fabric_name = wwn_to_u64(vha->fabric_node_name);
1966
1967 fc_host_fabric_name(shost) = fabric_name;
1968 }
1969
1970 static void
1971 qla2x00_get_host_port_state(struct Scsi_Host *shost)
1972 {
1973 scsi_qla_host_t *vha = shost_priv(shost);
1974 struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
1975
1976 if (!base_vha->flags.online) {
1977 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1978 return;
1979 }
1980
1981 switch (atomic_read(&base_vha->loop_state)) {
1982 case LOOP_UPDATE:
1983 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1984 break;
1985 case LOOP_DOWN:
1986 if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
1987 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1988 else
1989 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1990 break;
1991 case LOOP_DEAD:
1992 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1993 break;
1994 case LOOP_READY:
1995 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1996 break;
1997 default:
1998 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1999 break;
2000 }
2001 }
2002
2003 static int
2004 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
2005 {
2006 int ret = 0;
2007 uint8_t qos = 0;
2008 scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
2009 scsi_qla_host_t *vha = NULL;
2010 struct qla_hw_data *ha = base_vha->hw;
2011 uint16_t options = 0;
2012 int cnt;
2013 struct req_que *req = ha->req_q_map[0];
2014
2015 ret = qla24xx_vport_create_req_sanity_check(fc_vport);
2016 if (ret) {
2017 ql_log(ql_log_warn, vha, 0x707e,
2018 "Vport sanity check failed, status %x\n", ret);
2019 return (ret);
2020 }
2021
2022 vha = qla24xx_create_vhost(fc_vport);
2023 if (vha == NULL) {
2024 ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
2025 return FC_VPORT_FAILED;
2026 }
2027 if (disable) {
2028 atomic_set(&vha->vp_state, VP_OFFLINE);
2029 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
2030 } else
2031 atomic_set(&vha->vp_state, VP_FAILED);
2032
2033 /* ready to create vport */
2034 ql_log(ql_log_info, vha, 0x7080,
2035 "VP entry id %d assigned.\n", vha->vp_idx);
2036
2037 /* initialized vport states */
2038 atomic_set(&vha->loop_state, LOOP_DOWN);
2039 vha->vp_err_state= VP_ERR_PORTDWN;
2040 vha->vp_prev_err_state= VP_ERR_UNKWN;
2041 /* Check if physical ha port is Up */
2042 if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
2043 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
2044 /* Don't retry or attempt login of this virtual port */
2045 ql_dbg(ql_dbg_user, vha, 0x7081,
2046 "Vport loop state is not UP.\n");
2047 atomic_set(&vha->loop_state, LOOP_DEAD);
2048 if (!disable)
2049 fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
2050 }
2051
2052 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2053 if (ha->fw_attributes & BIT_4) {
2054 int prot = 0, guard;
2055 vha->flags.difdix_supported = 1;
2056 ql_dbg(ql_dbg_user, vha, 0x7082,
2057 "Registered for DIF/DIX type 1 and 3 protection.\n");
2058 if (ql2xenabledif == 1)
2059 prot = SHOST_DIX_TYPE0_PROTECTION;
2060 scsi_host_set_prot(vha->host,
2061 prot | SHOST_DIF_TYPE1_PROTECTION
2062 | SHOST_DIF_TYPE2_PROTECTION
2063 | SHOST_DIF_TYPE3_PROTECTION
2064 | SHOST_DIX_TYPE1_PROTECTION
2065 | SHOST_DIX_TYPE2_PROTECTION
2066 | SHOST_DIX_TYPE3_PROTECTION);
2067
2068 guard = SHOST_DIX_GUARD_CRC;
2069
2070 if (IS_PI_IPGUARD_CAPABLE(ha) &&
2071 (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2072 guard |= SHOST_DIX_GUARD_IP;
2073
2074 scsi_host_set_guard(vha->host, guard);
2075 } else
2076 vha->flags.difdix_supported = 0;
2077 }
2078
2079 if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
2080 &ha->pdev->dev)) {
2081 ql_dbg(ql_dbg_user, vha, 0x7083,
2082 "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
2083 goto vport_create_failed_2;
2084 }
2085
2086 /* initialize attributes */
2087 fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2088 fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2089 fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2090 fc_host_supported_classes(vha->host) =
2091 fc_host_supported_classes(base_vha->host);
2092 fc_host_supported_speeds(vha->host) =
2093 fc_host_supported_speeds(base_vha->host);
2094
2095 qlt_vport_create(vha, ha);
2096 qla24xx_vport_disable(fc_vport, disable);
2097
2098 if (ha->flags.cpu_affinity_enabled) {
2099 req = ha->req_q_map[1];
2100 ql_dbg(ql_dbg_multiq, vha, 0xc000,
2101 "Request queue %p attached with "
2102 "VP[%d], cpu affinity =%d\n",
2103 req, vha->vp_idx, ha->flags.cpu_affinity_enabled);
2104 goto vport_queue;
2105 } else if (ql2xmaxqueues == 1 || !ha->npiv_info)
2106 goto vport_queue;
2107 /* Create a request queue in QoS mode for the vport */
2108 for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
2109 if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
2110 && memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
2111 8) == 0) {
2112 qos = ha->npiv_info[cnt].q_qos;
2113 break;
2114 }
2115 }
2116
2117 if (qos) {
2118 ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0,
2119 qos);
2120 if (!ret)
2121 ql_log(ql_log_warn, vha, 0x7084,
2122 "Can't create request queue for VP[%d]\n",
2123 vha->vp_idx);
2124 else {
2125 ql_dbg(ql_dbg_multiq, vha, 0xc001,
2126 "Request Que:%d Q0s: %d) created for VP[%d]\n",
2127 ret, qos, vha->vp_idx);
2128 ql_dbg(ql_dbg_user, vha, 0x7085,
2129 "Request Que:%d Q0s: %d) created for VP[%d]\n",
2130 ret, qos, vha->vp_idx);
2131 req = ha->req_q_map[ret];
2132 }
2133 }
2134
2135 vport_queue:
2136 vha->req = req;
2137 return 0;
2138
2139 vport_create_failed_2:
2140 qla24xx_disable_vp(vha);
2141 qla24xx_deallocate_vp_id(vha);
2142 scsi_host_put(vha->host);
2143 return FC_VPORT_FAILED;
2144 }
2145
2146 static int
2147 qla24xx_vport_delete(struct fc_vport *fc_vport)
2148 {
2149 scsi_qla_host_t *vha = fc_vport->dd_data;
2150 struct qla_hw_data *ha = vha->hw;
2151 uint16_t id = vha->vp_idx;
2152
2153 while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
2154 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
2155 msleep(1000);
2156
2157 qla24xx_disable_vp(vha);
2158
2159 vha->flags.delete_progress = 1;
2160
2161 qlt_remove_target(ha, vha);
2162
2163 fc_remove_host(vha->host);
2164
2165 scsi_remove_host(vha->host);
2166
2167 /* Allow timer to run to drain queued items, when removing vp */
2168 qla24xx_deallocate_vp_id(vha);
2169
2170 if (vha->timer_active) {
2171 qla2x00_vp_stop_timer(vha);
2172 ql_dbg(ql_dbg_user, vha, 0x7086,
2173 "Timer for the VP[%d] has stopped\n", vha->vp_idx);
2174 }
2175
2176 BUG_ON(atomic_read(&vha->vref_count));
2177
2178 qla2x00_free_fcports(vha);
2179
2180 mutex_lock(&ha->vport_lock);
2181 ha->cur_vport_count--;
2182 clear_bit(vha->vp_idx, ha->vp_idx_map);
2183 mutex_unlock(&ha->vport_lock);
2184
2185 if (vha->req->id && !ha->flags.cpu_affinity_enabled) {
2186 if (qla25xx_delete_req_que(vha, vha->req) != QLA_SUCCESS)
2187 ql_log(ql_log_warn, vha, 0x7087,
2188 "Queue delete failed.\n");
2189 }
2190
2191 ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
2192 scsi_host_put(vha->host);
2193 return 0;
2194 }
2195
2196 static int
2197 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
2198 {
2199 scsi_qla_host_t *vha = fc_vport->dd_data;
2200
2201 if (disable)
2202 qla24xx_disable_vp(vha);
2203 else
2204 qla24xx_enable_vp(vha);
2205
2206 return 0;
2207 }
2208
2209 struct fc_function_template qla2xxx_transport_functions = {
2210
2211 .show_host_node_name = 1,
2212 .show_host_port_name = 1,
2213 .show_host_supported_classes = 1,
2214 .show_host_supported_speeds = 1,
2215
2216 .get_host_port_id = qla2x00_get_host_port_id,
2217 .show_host_port_id = 1,
2218 .get_host_speed = qla2x00_get_host_speed,
2219 .show_host_speed = 1,
2220 .get_host_port_type = qla2x00_get_host_port_type,
2221 .show_host_port_type = 1,
2222 .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2223 .show_host_symbolic_name = 1,
2224 .set_host_system_hostname = qla2x00_set_host_system_hostname,
2225 .show_host_system_hostname = 1,
2226 .get_host_fabric_name = qla2x00_get_host_fabric_name,
2227 .show_host_fabric_name = 1,
2228 .get_host_port_state = qla2x00_get_host_port_state,
2229 .show_host_port_state = 1,
2230
2231 .dd_fcrport_size = sizeof(struct fc_port *),
2232 .show_rport_supported_classes = 1,
2233
2234 .get_starget_node_name = qla2x00_get_starget_node_name,
2235 .show_starget_node_name = 1,
2236 .get_starget_port_name = qla2x00_get_starget_port_name,
2237 .show_starget_port_name = 1,
2238 .get_starget_port_id = qla2x00_get_starget_port_id,
2239 .show_starget_port_id = 1,
2240
2241 .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2242 .show_rport_dev_loss_tmo = 1,
2243
2244 .issue_fc_host_lip = qla2x00_issue_lip,
2245 .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2246 .terminate_rport_io = qla2x00_terminate_rport_io,
2247 .get_fc_host_stats = qla2x00_get_fc_host_stats,
2248 .reset_fc_host_stats = qla2x00_reset_host_stats,
2249
2250 .vport_create = qla24xx_vport_create,
2251 .vport_disable = qla24xx_vport_disable,
2252 .vport_delete = qla24xx_vport_delete,
2253 .bsg_request = qla24xx_bsg_request,
2254 .bsg_timeout = qla24xx_bsg_timeout,
2255 };
2256
2257 struct fc_function_template qla2xxx_transport_vport_functions = {
2258
2259 .show_host_node_name = 1,
2260 .show_host_port_name = 1,
2261 .show_host_supported_classes = 1,
2262
2263 .get_host_port_id = qla2x00_get_host_port_id,
2264 .show_host_port_id = 1,
2265 .get_host_speed = qla2x00_get_host_speed,
2266 .show_host_speed = 1,
2267 .get_host_port_type = qla2x00_get_host_port_type,
2268 .show_host_port_type = 1,
2269 .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2270 .show_host_symbolic_name = 1,
2271 .set_host_system_hostname = qla2x00_set_host_system_hostname,
2272 .show_host_system_hostname = 1,
2273 .get_host_fabric_name = qla2x00_get_host_fabric_name,
2274 .show_host_fabric_name = 1,
2275 .get_host_port_state = qla2x00_get_host_port_state,
2276 .show_host_port_state = 1,
2277
2278 .dd_fcrport_size = sizeof(struct fc_port *),
2279 .show_rport_supported_classes = 1,
2280
2281 .get_starget_node_name = qla2x00_get_starget_node_name,
2282 .show_starget_node_name = 1,
2283 .get_starget_port_name = qla2x00_get_starget_port_name,
2284 .show_starget_port_name = 1,
2285 .get_starget_port_id = qla2x00_get_starget_port_id,
2286 .show_starget_port_id = 1,
2287
2288 .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2289 .show_rport_dev_loss_tmo = 1,
2290
2291 .issue_fc_host_lip = qla2x00_issue_lip,
2292 .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2293 .terminate_rport_io = qla2x00_terminate_rport_io,
2294 .get_fc_host_stats = qla2x00_get_fc_host_stats,
2295 .reset_fc_host_stats = qla2x00_reset_host_stats,
2296
2297 .bsg_request = qla24xx_bsg_request,
2298 .bsg_timeout = qla24xx_bsg_timeout,
2299 };
2300
2301 void
2302 qla2x00_init_host_attr(scsi_qla_host_t *vha)
2303 {
2304 struct qla_hw_data *ha = vha->hw;
2305 u32 speed = FC_PORTSPEED_UNKNOWN;
2306
2307 fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2308 fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2309 fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2310 fc_host_supported_classes(vha->host) = ha->tgt.enable_class_2 ?
2311 (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
2312 fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
2313 fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
2314
2315 if (IS_CNA_CAPABLE(ha))
2316 speed = FC_PORTSPEED_10GBIT;
2317 else if (IS_QLA2031(ha))
2318 speed = FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
2319 FC_PORTSPEED_4GBIT;
2320 else if (IS_QLA25XX(ha))
2321 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2322 FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2323 else if (IS_QLA24XX_TYPE(ha))
2324 speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
2325 FC_PORTSPEED_1GBIT;
2326 else if (IS_QLA23XX(ha))
2327 speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2328 else if (IS_QLAFX00(ha))
2329 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2330 FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2331 else if (IS_QLA27XX(ha))
2332 speed = FC_PORTSPEED_32GBIT | FC_PORTSPEED_16GBIT |
2333 FC_PORTSPEED_8GBIT;
2334 else
2335 speed = FC_PORTSPEED_1GBIT;
2336 fc_host_supported_speeds(vha->host) = speed;
2337 }
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