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ARM: dts: add 'dr_mode' property to hsotg devices for exynos boards
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_attr.c
blob82b92c414a9cfe3152933e9cfc191c79c480568c
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)) {
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 uint16_t actual_size;
888
889 if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
890 return 0;
891
892 if (ha->dcbx_tlv)
893 goto do_read;
894
895 ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
896 &ha->dcbx_tlv_dma, GFP_KERNEL);
897 if (!ha->dcbx_tlv) {
898 ql_log(ql_log_warn, vha, 0x7078,
899 "Unable to allocate memory for DCBX TLV read-data.\n");
900 return -ENOMEM;
901 }
902
903 do_read:
904 actual_size = 0;
905 memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
906
907 rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
908 DCBX_TLV_DATA_SIZE);
909 if (rval != QLA_SUCCESS) {
910 ql_log(ql_log_warn, vha, 0x7079,
911 "Unable to read DCBX TLV (%x).\n", rval);
912 return -EIO;
913 }
914
915 memcpy(buf, ha->dcbx_tlv, count);
916
917 return count;
918 }
919
920 static struct bin_attribute sysfs_dcbx_tlv_attr = {
921 .attr = {
922 .name = "dcbx_tlv",
923 .mode = S_IRUSR,
924 },
925 .size = 0,
926 .read = qla2x00_sysfs_read_dcbx_tlv,
927 };
928
929 static struct sysfs_entry {
930 char *name;
931 struct bin_attribute *attr;
932 int is4GBp_only;
933 } bin_file_entries[] = {
934 { "fw_dump", &sysfs_fw_dump_attr, },
935 { "fw_dump_template", &sysfs_fw_dump_template_attr, 0x27 },
936 { "nvram", &sysfs_nvram_attr, },
937 { "optrom", &sysfs_optrom_attr, },
938 { "optrom_ctl", &sysfs_optrom_ctl_attr, },
939 { "vpd", &sysfs_vpd_attr, 1 },
940 { "sfp", &sysfs_sfp_attr, 1 },
941 { "reset", &sysfs_reset_attr, },
942 { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
943 { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
944 { NULL },
945 };
946
947 void
948 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
949 {
950 struct Scsi_Host *host = vha->host;
951 struct sysfs_entry *iter;
952 int ret;
953
954 for (iter = bin_file_entries; iter->name; iter++) {
955 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
956 continue;
957 if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
958 continue;
959 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
960 continue;
961 if (iter->is4GBp_only == 0x27 && !IS_QLA27XX(vha->hw))
962 continue;
963
964 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
965 iter->attr);
966 if (ret)
967 ql_log(ql_log_warn, vha, 0x00f3,
968 "Unable to create sysfs %s binary attribute (%d).\n",
969 iter->name, ret);
970 else
971 ql_dbg(ql_dbg_init, vha, 0x00f4,
972 "Successfully created sysfs %s binary attribure.\n",
973 iter->name);
974 }
975 }
976
977 void
978 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
979 {
980 struct Scsi_Host *host = vha->host;
981 struct sysfs_entry *iter;
982 struct qla_hw_data *ha = vha->hw;
983
984 for (iter = bin_file_entries; iter->name; iter++) {
985 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
986 continue;
987 if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
988 continue;
989 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
990 continue;
991 if (iter->is4GBp_only == 0x27 && !IS_QLA27XX(vha->hw))
992 continue;
993
994 sysfs_remove_bin_file(&host->shost_gendev.kobj,
995 iter->attr);
996 }
997
998 if (stop_beacon && ha->beacon_blink_led == 1)
999 ha->isp_ops->beacon_off(vha);
1000 }
1001
1002 /* Scsi_Host attributes. */
1003
1004 static ssize_t
1005 qla2x00_drvr_version_show(struct device *dev,
1006 struct device_attribute *attr, char *buf)
1007 {
1008 return scnprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
1009 }
1010
1011 static ssize_t
1012 qla2x00_fw_version_show(struct device *dev,
1013 struct device_attribute *attr, char *buf)
1014 {
1015 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1016 struct qla_hw_data *ha = vha->hw;
1017 char fw_str[128];
1018
1019 return scnprintf(buf, PAGE_SIZE, "%s\n",
1020 ha->isp_ops->fw_version_str(vha, fw_str, sizeof(fw_str)));
1021 }
1022
1023 static ssize_t
1024 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
1025 char *buf)
1026 {
1027 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1028 struct qla_hw_data *ha = vha->hw;
1029 uint32_t sn;
1030
1031 if (IS_QLAFX00(vha->hw)) {
1032 return scnprintf(buf, PAGE_SIZE, "%s\n",
1033 vha->hw->mr.serial_num);
1034 } else if (IS_FWI2_CAPABLE(ha)) {
1035 qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1);
1036 return strlen(strcat(buf, "\n"));
1037 }
1038
1039 sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1040 return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
1041 sn % 100000);
1042 }
1043
1044 static ssize_t
1045 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
1046 char *buf)
1047 {
1048 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1049 return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
1050 }
1051
1052 static ssize_t
1053 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
1054 char *buf)
1055 {
1056 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1057 struct qla_hw_data *ha = vha->hw;
1058
1059 if (IS_QLAFX00(vha->hw))
1060 return scnprintf(buf, PAGE_SIZE, "%s\n",
1061 vha->hw->mr.hw_version);
1062
1063 return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
1064 ha->product_id[0], ha->product_id[1], ha->product_id[2],
1065 ha->product_id[3]);
1066 }
1067
1068 static ssize_t
1069 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
1070 char *buf)
1071 {
1072 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1073
1074 return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
1075 }
1076
1077 static ssize_t
1078 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
1079 char *buf)
1080 {
1081 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1082 return scnprintf(buf, PAGE_SIZE, "%s\n",
1083 vha->hw->model_desc ? vha->hw->model_desc : "");
1084 }
1085
1086 static ssize_t
1087 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
1088 char *buf)
1089 {
1090 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1091 char pci_info[30];
1092
1093 return scnprintf(buf, PAGE_SIZE, "%s\n",
1094 vha->hw->isp_ops->pci_info_str(vha, pci_info));
1095 }
1096
1097 static ssize_t
1098 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
1099 char *buf)
1100 {
1101 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1102 struct qla_hw_data *ha = vha->hw;
1103 int len = 0;
1104
1105 if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
1106 atomic_read(&vha->loop_state) == LOOP_DEAD ||
1107 vha->device_flags & DFLG_NO_CABLE)
1108 len = scnprintf(buf, PAGE_SIZE, "Link Down\n");
1109 else if (atomic_read(&vha->loop_state) != LOOP_READY ||
1110 qla2x00_reset_active(vha))
1111 len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n");
1112 else {
1113 len = scnprintf(buf, PAGE_SIZE, "Link Up - ");
1114
1115 switch (ha->current_topology) {
1116 case ISP_CFG_NL:
1117 len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1118 break;
1119 case ISP_CFG_FL:
1120 len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
1121 break;
1122 case ISP_CFG_N:
1123 len += scnprintf(buf + len, PAGE_SIZE-len,
1124 "N_Port to N_Port\n");
1125 break;
1126 case ISP_CFG_F:
1127 len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
1128 break;
1129 default:
1130 len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1131 break;
1132 }
1133 }
1134 return len;
1135 }
1136
1137 static ssize_t
1138 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
1139 char *buf)
1140 {
1141 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1142 int len = 0;
1143
1144 switch (vha->hw->zio_mode) {
1145 case QLA_ZIO_MODE_6:
1146 len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1147 break;
1148 case QLA_ZIO_DISABLED:
1149 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1150 break;
1151 }
1152 return len;
1153 }
1154
1155 static ssize_t
1156 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1157 const char *buf, size_t count)
1158 {
1159 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1160 struct qla_hw_data *ha = vha->hw;
1161 int val = 0;
1162 uint16_t zio_mode;
1163
1164 if (!IS_ZIO_SUPPORTED(ha))
1165 return -ENOTSUPP;
1166
1167 if (sscanf(buf, "%d", &val) != 1)
1168 return -EINVAL;
1169
1170 if (val)
1171 zio_mode = QLA_ZIO_MODE_6;
1172 else
1173 zio_mode = QLA_ZIO_DISABLED;
1174
1175 /* Update per-hba values and queue a reset. */
1176 if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1177 ha->zio_mode = zio_mode;
1178 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1179 }
1180 return strlen(buf);
1181 }
1182
1183 static ssize_t
1184 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1185 char *buf)
1186 {
1187 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1188
1189 return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1190 }
1191
1192 static ssize_t
1193 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1194 const char *buf, size_t count)
1195 {
1196 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1197 int val = 0;
1198 uint16_t zio_timer;
1199
1200 if (sscanf(buf, "%d", &val) != 1)
1201 return -EINVAL;
1202 if (val > 25500 || val < 100)
1203 return -ERANGE;
1204
1205 zio_timer = (uint16_t)(val / 100);
1206 vha->hw->zio_timer = zio_timer;
1207
1208 return strlen(buf);
1209 }
1210
1211 static ssize_t
1212 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1213 char *buf)
1214 {
1215 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1216 int len = 0;
1217
1218 if (vha->hw->beacon_blink_led)
1219 len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1220 else
1221 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1222 return len;
1223 }
1224
1225 static ssize_t
1226 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1227 const char *buf, size_t count)
1228 {
1229 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1230 struct qla_hw_data *ha = vha->hw;
1231 int val = 0;
1232 int rval;
1233
1234 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1235 return -EPERM;
1236
1237 if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
1238 ql_log(ql_log_warn, vha, 0x707a,
1239 "Abort ISP active -- ignoring beacon request.\n");
1240 return -EBUSY;
1241 }
1242
1243 if (sscanf(buf, "%d", &val) != 1)
1244 return -EINVAL;
1245
1246 if (val)
1247 rval = ha->isp_ops->beacon_on(vha);
1248 else
1249 rval = ha->isp_ops->beacon_off(vha);
1250
1251 if (rval != QLA_SUCCESS)
1252 count = 0;
1253
1254 return count;
1255 }
1256
1257 static ssize_t
1258 qla2x00_optrom_bios_version_show(struct device *dev,
1259 struct device_attribute *attr, char *buf)
1260 {
1261 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1262 struct qla_hw_data *ha = vha->hw;
1263 return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1264 ha->bios_revision[0]);
1265 }
1266
1267 static ssize_t
1268 qla2x00_optrom_efi_version_show(struct device *dev,
1269 struct device_attribute *attr, char *buf)
1270 {
1271 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1272 struct qla_hw_data *ha = vha->hw;
1273 return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1274 ha->efi_revision[0]);
1275 }
1276
1277 static ssize_t
1278 qla2x00_optrom_fcode_version_show(struct device *dev,
1279 struct device_attribute *attr, char *buf)
1280 {
1281 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1282 struct qla_hw_data *ha = vha->hw;
1283 return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1284 ha->fcode_revision[0]);
1285 }
1286
1287 static ssize_t
1288 qla2x00_optrom_fw_version_show(struct device *dev,
1289 struct device_attribute *attr, char *buf)
1290 {
1291 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1292 struct qla_hw_data *ha = vha->hw;
1293 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1294 ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1295 ha->fw_revision[3]);
1296 }
1297
1298 static ssize_t
1299 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1300 struct device_attribute *attr, char *buf)
1301 {
1302 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1303 struct qla_hw_data *ha = vha->hw;
1304
1305 if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha) && !IS_QLA27XX(ha))
1306 return scnprintf(buf, PAGE_SIZE, "\n");
1307
1308 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1309 ha->gold_fw_version[0], ha->gold_fw_version[1],
1310 ha->gold_fw_version[2], ha->gold_fw_version[3]);
1311 }
1312
1313 static ssize_t
1314 qla2x00_total_isp_aborts_show(struct device *dev,
1315 struct device_attribute *attr, char *buf)
1316 {
1317 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1318 return scnprintf(buf, PAGE_SIZE, "%d\n",
1319 vha->qla_stats.total_isp_aborts);
1320 }
1321
1322 static ssize_t
1323 qla24xx_84xx_fw_version_show(struct device *dev,
1324 struct device_attribute *attr, char *buf)
1325 {
1326 int rval = QLA_SUCCESS;
1327 uint16_t status[2] = {0, 0};
1328 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1329 struct qla_hw_data *ha = vha->hw;
1330
1331 if (!IS_QLA84XX(ha))
1332 return scnprintf(buf, PAGE_SIZE, "\n");
1333
1334 if (ha->cs84xx->op_fw_version == 0)
1335 rval = qla84xx_verify_chip(vha, status);
1336
1337 if ((rval == QLA_SUCCESS) && (status[0] == 0))
1338 return scnprintf(buf, PAGE_SIZE, "%u\n",
1339 (uint32_t)ha->cs84xx->op_fw_version);
1340
1341 return scnprintf(buf, PAGE_SIZE, "\n");
1342 }
1343
1344 static ssize_t
1345 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1346 char *buf)
1347 {
1348 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1349 struct qla_hw_data *ha = vha->hw;
1350
1351 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
1352 return scnprintf(buf, PAGE_SIZE, "\n");
1353
1354 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1355 ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1356 ha->mpi_capabilities);
1357 }
1358
1359 static ssize_t
1360 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1361 char *buf)
1362 {
1363 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1364 struct qla_hw_data *ha = vha->hw;
1365
1366 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1367 return scnprintf(buf, PAGE_SIZE, "\n");
1368
1369 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1370 ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1371 }
1372
1373 static ssize_t
1374 qla2x00_flash_block_size_show(struct device *dev,
1375 struct device_attribute *attr, char *buf)
1376 {
1377 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1378 struct qla_hw_data *ha = vha->hw;
1379
1380 return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1381 }
1382
1383 static ssize_t
1384 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1385 char *buf)
1386 {
1387 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1388
1389 if (!IS_CNA_CAPABLE(vha->hw))
1390 return scnprintf(buf, PAGE_SIZE, "\n");
1391
1392 return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1393 }
1394
1395 static ssize_t
1396 qla2x00_vn_port_mac_address_show(struct device *dev,
1397 struct device_attribute *attr, char *buf)
1398 {
1399 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1400
1401 if (!IS_CNA_CAPABLE(vha->hw))
1402 return scnprintf(buf, PAGE_SIZE, "\n");
1403
1404 return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
1405 }
1406
1407 static ssize_t
1408 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1409 char *buf)
1410 {
1411 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1412
1413 return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1414 }
1415
1416 static ssize_t
1417 qla2x00_thermal_temp_show(struct device *dev,
1418 struct device_attribute *attr, char *buf)
1419 {
1420 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1421 uint16_t temp = 0;
1422
1423 if (qla2x00_reset_active(vha)) {
1424 ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1425 goto done;
1426 }
1427
1428 if (vha->hw->flags.eeh_busy) {
1429 ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1430 goto done;
1431 }
1432
1433 if (qla2x00_get_thermal_temp(vha, &temp) == QLA_SUCCESS)
1434 return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
1435
1436 done:
1437 return scnprintf(buf, PAGE_SIZE, "\n");
1438 }
1439
1440 static ssize_t
1441 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1442 char *buf)
1443 {
1444 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1445 int rval = QLA_FUNCTION_FAILED;
1446 uint16_t state[6];
1447 uint32_t pstate;
1448
1449 if (IS_QLAFX00(vha->hw)) {
1450 pstate = qlafx00_fw_state_show(dev, attr, buf);
1451 return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1452 }
1453
1454 if (qla2x00_reset_active(vha))
1455 ql_log(ql_log_warn, vha, 0x707c,
1456 "ISP reset active.\n");
1457 else if (!vha->hw->flags.eeh_busy)
1458 rval = qla2x00_get_firmware_state(vha, state);
1459 if (rval != QLA_SUCCESS)
1460 memset(state, -1, sizeof(state));
1461
1462 return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1463 state[0], state[1], state[2], state[3], state[4], state[5]);
1464 }
1465
1466 static ssize_t
1467 qla2x00_diag_requests_show(struct device *dev,
1468 struct device_attribute *attr, char *buf)
1469 {
1470 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1471
1472 if (!IS_BIDI_CAPABLE(vha->hw))
1473 return scnprintf(buf, PAGE_SIZE, "\n");
1474
1475 return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1476 }
1477
1478 static ssize_t
1479 qla2x00_diag_megabytes_show(struct device *dev,
1480 struct device_attribute *attr, char *buf)
1481 {
1482 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1483
1484 if (!IS_BIDI_CAPABLE(vha->hw))
1485 return scnprintf(buf, PAGE_SIZE, "\n");
1486
1487 return scnprintf(buf, PAGE_SIZE, "%llu\n",
1488 vha->bidi_stats.transfer_bytes >> 20);
1489 }
1490
1491 static ssize_t
1492 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1493 char *buf)
1494 {
1495 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1496 struct qla_hw_data *ha = vha->hw;
1497 uint32_t size;
1498
1499 if (!ha->fw_dumped)
1500 size = 0;
1501 else if (IS_P3P_TYPE(ha))
1502 size = ha->md_template_size + ha->md_dump_size;
1503 else
1504 size = ha->fw_dump_len;
1505
1506 return scnprintf(buf, PAGE_SIZE, "%d\n", size);
1507 }
1508
1509 static ssize_t
1510 qla2x00_allow_cna_fw_dump_show(struct device *dev,
1511 struct device_attribute *attr, char *buf)
1512 {
1513 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1514
1515 if (!IS_P3P_TYPE(vha->hw))
1516 return scnprintf(buf, PAGE_SIZE, "\n");
1517 else
1518 return scnprintf(buf, PAGE_SIZE, "%s\n",
1519 vha->hw->allow_cna_fw_dump ? "true" : "false");
1520 }
1521
1522 static ssize_t
1523 qla2x00_allow_cna_fw_dump_store(struct device *dev,
1524 struct device_attribute *attr, const char *buf, size_t count)
1525 {
1526 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1527 int val = 0;
1528
1529 if (!IS_P3P_TYPE(vha->hw))
1530 return -EINVAL;
1531
1532 if (sscanf(buf, "%d", &val) != 1)
1533 return -EINVAL;
1534
1535 vha->hw->allow_cna_fw_dump = val != 0;
1536
1537 return strlen(buf);
1538 }
1539
1540 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
1541 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
1542 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
1543 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
1544 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
1545 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
1546 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
1547 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
1548 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
1549 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
1550 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
1551 qla2x00_zio_timer_store);
1552 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
1553 qla2x00_beacon_store);
1554 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
1555 qla2x00_optrom_bios_version_show, NULL);
1556 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
1557 qla2x00_optrom_efi_version_show, NULL);
1558 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
1559 qla2x00_optrom_fcode_version_show, NULL);
1560 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
1561 NULL);
1562 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
1563 qla2x00_optrom_gold_fw_version_show, NULL);
1564 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
1565 NULL);
1566 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
1567 NULL);
1568 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
1569 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
1570 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
1571 NULL);
1572 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
1573 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
1574 qla2x00_vn_port_mac_address_show, NULL);
1575 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
1576 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
1577 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
1578 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
1579 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
1580 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
1581 static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR,
1582 qla2x00_allow_cna_fw_dump_show,
1583 qla2x00_allow_cna_fw_dump_store);
1584
1585 struct device_attribute *qla2x00_host_attrs[] = {
1586 &dev_attr_driver_version,
1587 &dev_attr_fw_version,
1588 &dev_attr_serial_num,
1589 &dev_attr_isp_name,
1590 &dev_attr_isp_id,
1591 &dev_attr_model_name,
1592 &dev_attr_model_desc,
1593 &dev_attr_pci_info,
1594 &dev_attr_link_state,
1595 &dev_attr_zio,
1596 &dev_attr_zio_timer,
1597 &dev_attr_beacon,
1598 &dev_attr_optrom_bios_version,
1599 &dev_attr_optrom_efi_version,
1600 &dev_attr_optrom_fcode_version,
1601 &dev_attr_optrom_fw_version,
1602 &dev_attr_84xx_fw_version,
1603 &dev_attr_total_isp_aborts,
1604 &dev_attr_mpi_version,
1605 &dev_attr_phy_version,
1606 &dev_attr_flash_block_size,
1607 &dev_attr_vlan_id,
1608 &dev_attr_vn_port_mac_address,
1609 &dev_attr_fabric_param,
1610 &dev_attr_fw_state,
1611 &dev_attr_optrom_gold_fw_version,
1612 &dev_attr_thermal_temp,
1613 &dev_attr_diag_requests,
1614 &dev_attr_diag_megabytes,
1615 &dev_attr_fw_dump_size,
1616 &dev_attr_allow_cna_fw_dump,
1617 NULL,
1618 };
1619
1620 /* Host attributes. */
1621
1622 static void
1623 qla2x00_get_host_port_id(struct Scsi_Host *shost)
1624 {
1625 scsi_qla_host_t *vha = shost_priv(shost);
1626
1627 fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
1628 vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
1629 }
1630
1631 static void
1632 qla2x00_get_host_speed(struct Scsi_Host *shost)
1633 {
1634 struct qla_hw_data *ha = ((struct scsi_qla_host *)
1635 (shost_priv(shost)))->hw;
1636 u32 speed = FC_PORTSPEED_UNKNOWN;
1637
1638 if (IS_QLAFX00(ha)) {
1639 qlafx00_get_host_speed(shost);
1640 return;
1641 }
1642
1643 switch (ha->link_data_rate) {
1644 case PORT_SPEED_1GB:
1645 speed = FC_PORTSPEED_1GBIT;
1646 break;
1647 case PORT_SPEED_2GB:
1648 speed = FC_PORTSPEED_2GBIT;
1649 break;
1650 case PORT_SPEED_4GB:
1651 speed = FC_PORTSPEED_4GBIT;
1652 break;
1653 case PORT_SPEED_8GB:
1654 speed = FC_PORTSPEED_8GBIT;
1655 break;
1656 case PORT_SPEED_10GB:
1657 speed = FC_PORTSPEED_10GBIT;
1658 break;
1659 case PORT_SPEED_16GB:
1660 speed = FC_PORTSPEED_16GBIT;
1661 break;
1662 case PORT_SPEED_32GB:
1663 speed = FC_PORTSPEED_32GBIT;
1664 break;
1665 }
1666 fc_host_speed(shost) = speed;
1667 }
1668
1669 static void
1670 qla2x00_get_host_port_type(struct Scsi_Host *shost)
1671 {
1672 scsi_qla_host_t *vha = shost_priv(shost);
1673 uint32_t port_type = FC_PORTTYPE_UNKNOWN;
1674
1675 if (vha->vp_idx) {
1676 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1677 return;
1678 }
1679 switch (vha->hw->current_topology) {
1680 case ISP_CFG_NL:
1681 port_type = FC_PORTTYPE_LPORT;
1682 break;
1683 case ISP_CFG_FL:
1684 port_type = FC_PORTTYPE_NLPORT;
1685 break;
1686 case ISP_CFG_N:
1687 port_type = FC_PORTTYPE_PTP;
1688 break;
1689 case ISP_CFG_F:
1690 port_type = FC_PORTTYPE_NPORT;
1691 break;
1692 }
1693 fc_host_port_type(shost) = port_type;
1694 }
1695
1696 static void
1697 qla2x00_get_starget_node_name(struct scsi_target *starget)
1698 {
1699 struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1700 scsi_qla_host_t *vha = shost_priv(host);
1701 fc_port_t *fcport;
1702 u64 node_name = 0;
1703
1704 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1705 if (fcport->rport &&
1706 starget->id == fcport->rport->scsi_target_id) {
1707 node_name = wwn_to_u64(fcport->node_name);
1708 break;
1709 }
1710 }
1711
1712 fc_starget_node_name(starget) = node_name;
1713 }
1714
1715 static void
1716 qla2x00_get_starget_port_name(struct scsi_target *starget)
1717 {
1718 struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1719 scsi_qla_host_t *vha = shost_priv(host);
1720 fc_port_t *fcport;
1721 u64 port_name = 0;
1722
1723 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1724 if (fcport->rport &&
1725 starget->id == fcport->rport->scsi_target_id) {
1726 port_name = wwn_to_u64(fcport->port_name);
1727 break;
1728 }
1729 }
1730
1731 fc_starget_port_name(starget) = port_name;
1732 }
1733
1734 static void
1735 qla2x00_get_starget_port_id(struct scsi_target *starget)
1736 {
1737 struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1738 scsi_qla_host_t *vha = shost_priv(host);
1739 fc_port_t *fcport;
1740 uint32_t port_id = ~0U;
1741
1742 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1743 if (fcport->rport &&
1744 starget->id == fcport->rport->scsi_target_id) {
1745 port_id = fcport->d_id.b.domain << 16 |
1746 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
1747 break;
1748 }
1749 }
1750
1751 fc_starget_port_id(starget) = port_id;
1752 }
1753
1754 static void
1755 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1756 {
1757 if (timeout)
1758 rport->dev_loss_tmo = timeout;
1759 else
1760 rport->dev_loss_tmo = 1;
1761 }
1762
1763 static void
1764 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
1765 {
1766 struct Scsi_Host *host = rport_to_shost(rport);
1767 fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1768 unsigned long flags;
1769
1770 if (!fcport)
1771 return;
1772
1773 /* Now that the rport has been deleted, set the fcport state to
1774 FCS_DEVICE_DEAD */
1775 qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
1776
1777 /*
1778 * Transport has effectively 'deleted' the rport, clear
1779 * all local references.
1780 */
1781 spin_lock_irqsave(host->host_lock, flags);
1782 fcport->rport = fcport->drport = NULL;
1783 *((fc_port_t **)rport->dd_data) = NULL;
1784 spin_unlock_irqrestore(host->host_lock, flags);
1785
1786 if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1787 return;
1788
1789 if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1790 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1791 return;
1792 }
1793 }
1794
1795 static void
1796 qla2x00_terminate_rport_io(struct fc_rport *rport)
1797 {
1798 fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1799
1800 if (!fcport)
1801 return;
1802
1803 if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1804 return;
1805
1806 if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1807 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1808 return;
1809 }
1810 /*
1811 * At this point all fcport's software-states are cleared. Perform any
1812 * final cleanup of firmware resources (PCBs and XCBs).
1813 */
1814 if (fcport->loop_id != FC_NO_LOOP_ID) {
1815 if (IS_FWI2_CAPABLE(fcport->vha->hw))
1816 fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
1817 fcport->loop_id, fcport->d_id.b.domain,
1818 fcport->d_id.b.area, fcport->d_id.b.al_pa);
1819 else
1820 qla2x00_port_logout(fcport->vha, fcport);
1821 }
1822 }
1823
1824 static int
1825 qla2x00_issue_lip(struct Scsi_Host *shost)
1826 {
1827 scsi_qla_host_t *vha = shost_priv(shost);
1828
1829 if (IS_QLAFX00(vha->hw))
1830 return 0;
1831
1832 qla2x00_loop_reset(vha);
1833 return 0;
1834 }
1835
1836 static struct fc_host_statistics *
1837 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1838 {
1839 scsi_qla_host_t *vha = shost_priv(shost);
1840 struct qla_hw_data *ha = vha->hw;
1841 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1842 int rval;
1843 struct link_statistics *stats;
1844 dma_addr_t stats_dma;
1845 struct fc_host_statistics *pfc_host_stat;
1846
1847 pfc_host_stat = &vha->fc_host_stat;
1848 memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
1849
1850 if (IS_QLAFX00(vha->hw))
1851 goto done;
1852
1853 if (test_bit(UNLOADING, &vha->dpc_flags))
1854 goto done;
1855
1856 if (unlikely(pci_channel_offline(ha->pdev)))
1857 goto done;
1858
1859 if (qla2x00_reset_active(vha))
1860 goto done;
1861
1862 stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
1863 if (stats == NULL) {
1864 ql_log(ql_log_warn, vha, 0x707d,
1865 "Failed to allocate memory for stats.\n");
1866 goto done;
1867 }
1868 memset(stats, 0, DMA_POOL_SIZE);
1869
1870 rval = QLA_FUNCTION_FAILED;
1871 if (IS_FWI2_CAPABLE(ha)) {
1872 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
1873 } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
1874 !ha->dpc_active) {
1875 /* Must be in a 'READY' state for statistics retrieval. */
1876 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
1877 stats, stats_dma);
1878 }
1879
1880 if (rval != QLA_SUCCESS)
1881 goto done_free;
1882
1883 pfc_host_stat->link_failure_count = stats->link_fail_cnt;
1884 pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt;
1885 pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt;
1886 pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
1887 pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt;
1888 pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt;
1889 if (IS_FWI2_CAPABLE(ha)) {
1890 pfc_host_stat->lip_count = stats->lip_cnt;
1891 pfc_host_stat->tx_frames = stats->tx_frames;
1892 pfc_host_stat->rx_frames = stats->rx_frames;
1893 pfc_host_stat->dumped_frames = stats->discarded_frames;
1894 pfc_host_stat->nos_count = stats->nos_rcvd;
1895 pfc_host_stat->error_frames =
1896 stats->dropped_frames + stats->discarded_frames;
1897 pfc_host_stat->rx_words = vha->qla_stats.input_bytes;
1898 pfc_host_stat->tx_words = vha->qla_stats.output_bytes;
1899 }
1900 pfc_host_stat->fcp_control_requests = vha->qla_stats.control_requests;
1901 pfc_host_stat->fcp_input_requests = vha->qla_stats.input_requests;
1902 pfc_host_stat->fcp_output_requests = vha->qla_stats.output_requests;
1903 pfc_host_stat->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
1904 pfc_host_stat->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
1905 pfc_host_stat->seconds_since_last_reset =
1906 get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
1907 do_div(pfc_host_stat->seconds_since_last_reset, HZ);
1908
1909 done_free:
1910 dma_pool_free(ha->s_dma_pool, stats, stats_dma);
1911 done:
1912 return pfc_host_stat;
1913 }
1914
1915 static void
1916 qla2x00_reset_host_stats(struct Scsi_Host *shost)
1917 {
1918 scsi_qla_host_t *vha = shost_priv(shost);
1919
1920 memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
1921
1922 vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
1923 }
1924
1925 static void
1926 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
1927 {
1928 scsi_qla_host_t *vha = shost_priv(shost);
1929
1930 qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost),
1931 sizeof(fc_host_symbolic_name(shost)));
1932 }
1933
1934 static void
1935 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
1936 {
1937 scsi_qla_host_t *vha = shost_priv(shost);
1938
1939 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1940 }
1941
1942 static void
1943 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
1944 {
1945 scsi_qla_host_t *vha = shost_priv(shost);
1946 uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
1947 0xFF, 0xFF, 0xFF, 0xFF};
1948 u64 fabric_name = wwn_to_u64(node_name);
1949
1950 if (vha->device_flags & SWITCH_FOUND)
1951 fabric_name = wwn_to_u64(vha->fabric_node_name);
1952
1953 fc_host_fabric_name(shost) = fabric_name;
1954 }
1955
1956 static void
1957 qla2x00_get_host_port_state(struct Scsi_Host *shost)
1958 {
1959 scsi_qla_host_t *vha = shost_priv(shost);
1960 struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
1961
1962 if (!base_vha->flags.online) {
1963 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1964 return;
1965 }
1966
1967 switch (atomic_read(&base_vha->loop_state)) {
1968 case LOOP_UPDATE:
1969 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1970 break;
1971 case LOOP_DOWN:
1972 if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
1973 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1974 else
1975 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1976 break;
1977 case LOOP_DEAD:
1978 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1979 break;
1980 case LOOP_READY:
1981 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1982 break;
1983 default:
1984 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1985 break;
1986 }
1987 }
1988
1989 static int
1990 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
1991 {
1992 int ret = 0;
1993 uint8_t qos = 0;
1994 scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
1995 scsi_qla_host_t *vha = NULL;
1996 struct qla_hw_data *ha = base_vha->hw;
1997 uint16_t options = 0;
1998 int cnt;
1999 struct req_que *req = ha->req_q_map[0];
2000
2001 ret = qla24xx_vport_create_req_sanity_check(fc_vport);
2002 if (ret) {
2003 ql_log(ql_log_warn, vha, 0x707e,
2004 "Vport sanity check failed, status %x\n", ret);
2005 return (ret);
2006 }
2007
2008 vha = qla24xx_create_vhost(fc_vport);
2009 if (vha == NULL) {
2010 ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
2011 return FC_VPORT_FAILED;
2012 }
2013 if (disable) {
2014 atomic_set(&vha->vp_state, VP_OFFLINE);
2015 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
2016 } else
2017 atomic_set(&vha->vp_state, VP_FAILED);
2018
2019 /* ready to create vport */
2020 ql_log(ql_log_info, vha, 0x7080,
2021 "VP entry id %d assigned.\n", vha->vp_idx);
2022
2023 /* initialized vport states */
2024 atomic_set(&vha->loop_state, LOOP_DOWN);
2025 vha->vp_err_state= VP_ERR_PORTDWN;
2026 vha->vp_prev_err_state= VP_ERR_UNKWN;
2027 /* Check if physical ha port is Up */
2028 if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
2029 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
2030 /* Don't retry or attempt login of this virtual port */
2031 ql_dbg(ql_dbg_user, vha, 0x7081,
2032 "Vport loop state is not UP.\n");
2033 atomic_set(&vha->loop_state, LOOP_DEAD);
2034 if (!disable)
2035 fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
2036 }
2037
2038 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2039 if (ha->fw_attributes & BIT_4) {
2040 int prot = 0, guard;
2041 vha->flags.difdix_supported = 1;
2042 ql_dbg(ql_dbg_user, vha, 0x7082,
2043 "Registered for DIF/DIX type 1 and 3 protection.\n");
2044 if (ql2xenabledif == 1)
2045 prot = SHOST_DIX_TYPE0_PROTECTION;
2046 scsi_host_set_prot(vha->host,
2047 prot | SHOST_DIF_TYPE1_PROTECTION
2048 | SHOST_DIF_TYPE2_PROTECTION
2049 | SHOST_DIF_TYPE3_PROTECTION
2050 | SHOST_DIX_TYPE1_PROTECTION
2051 | SHOST_DIX_TYPE2_PROTECTION
2052 | SHOST_DIX_TYPE3_PROTECTION);
2053
2054 guard = SHOST_DIX_GUARD_CRC;
2055
2056 if (IS_PI_IPGUARD_CAPABLE(ha) &&
2057 (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2058 guard |= SHOST_DIX_GUARD_IP;
2059
2060 scsi_host_set_guard(vha->host, guard);
2061 } else
2062 vha->flags.difdix_supported = 0;
2063 }
2064
2065 if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
2066 &ha->pdev->dev)) {
2067 ql_dbg(ql_dbg_user, vha, 0x7083,
2068 "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
2069 goto vport_create_failed_2;
2070 }
2071
2072 /* initialize attributes */
2073 fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2074 fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2075 fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2076 fc_host_supported_classes(vha->host) =
2077 fc_host_supported_classes(base_vha->host);
2078 fc_host_supported_speeds(vha->host) =
2079 fc_host_supported_speeds(base_vha->host);
2080
2081 qlt_vport_create(vha, ha);
2082 qla24xx_vport_disable(fc_vport, disable);
2083
2084 if (ha->flags.cpu_affinity_enabled) {
2085 req = ha->req_q_map[1];
2086 ql_dbg(ql_dbg_multiq, vha, 0xc000,
2087 "Request queue %p attached with "
2088 "VP[%d], cpu affinity =%d\n",
2089 req, vha->vp_idx, ha->flags.cpu_affinity_enabled);
2090 goto vport_queue;
2091 } else if (ql2xmaxqueues == 1 || !ha->npiv_info)
2092 goto vport_queue;
2093 /* Create a request queue in QoS mode for the vport */
2094 for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
2095 if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
2096 && memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
2097 8) == 0) {
2098 qos = ha->npiv_info[cnt].q_qos;
2099 break;
2100 }
2101 }
2102
2103 if (qos) {
2104 ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0,
2105 qos);
2106 if (!ret)
2107 ql_log(ql_log_warn, vha, 0x7084,
2108 "Can't create request queue for VP[%d]\n",
2109 vha->vp_idx);
2110 else {
2111 ql_dbg(ql_dbg_multiq, vha, 0xc001,
2112 "Request Que:%d Q0s: %d) created for VP[%d]\n",
2113 ret, qos, vha->vp_idx);
2114 ql_dbg(ql_dbg_user, vha, 0x7085,
2115 "Request Que:%d Q0s: %d) created for VP[%d]\n",
2116 ret, qos, vha->vp_idx);
2117 req = ha->req_q_map[ret];
2118 }
2119 }
2120
2121 vport_queue:
2122 vha->req = req;
2123 return 0;
2124
2125 vport_create_failed_2:
2126 qla24xx_disable_vp(vha);
2127 qla24xx_deallocate_vp_id(vha);
2128 scsi_host_put(vha->host);
2129 return FC_VPORT_FAILED;
2130 }
2131
2132 static int
2133 qla24xx_vport_delete(struct fc_vport *fc_vport)
2134 {
2135 scsi_qla_host_t *vha = fc_vport->dd_data;
2136 struct qla_hw_data *ha = vha->hw;
2137 uint16_t id = vha->vp_idx;
2138
2139 while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
2140 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
2141 msleep(1000);
2142
2143 qla24xx_disable_vp(vha);
2144
2145 vha->flags.delete_progress = 1;
2146
2147 qlt_remove_target(ha, vha);
2148
2149 fc_remove_host(vha->host);
2150
2151 scsi_remove_host(vha->host);
2152
2153 /* Allow timer to run to drain queued items, when removing vp */
2154 qla24xx_deallocate_vp_id(vha);
2155
2156 if (vha->timer_active) {
2157 qla2x00_vp_stop_timer(vha);
2158 ql_dbg(ql_dbg_user, vha, 0x7086,
2159 "Timer for the VP[%d] has stopped\n", vha->vp_idx);
2160 }
2161
2162 BUG_ON(atomic_read(&vha->vref_count));
2163
2164 qla2x00_free_fcports(vha);
2165
2166 mutex_lock(&ha->vport_lock);
2167 ha->cur_vport_count--;
2168 clear_bit(vha->vp_idx, ha->vp_idx_map);
2169 mutex_unlock(&ha->vport_lock);
2170
2171 if (vha->req->id && !ha->flags.cpu_affinity_enabled) {
2172 if (qla25xx_delete_req_que(vha, vha->req) != QLA_SUCCESS)
2173 ql_log(ql_log_warn, vha, 0x7087,
2174 "Queue delete failed.\n");
2175 }
2176
2177 ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
2178 scsi_host_put(vha->host);
2179 return 0;
2180 }
2181
2182 static int
2183 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
2184 {
2185 scsi_qla_host_t *vha = fc_vport->dd_data;
2186
2187 if (disable)
2188 qla24xx_disable_vp(vha);
2189 else
2190 qla24xx_enable_vp(vha);
2191
2192 return 0;
2193 }
2194
2195 struct fc_function_template qla2xxx_transport_functions = {
2196
2197 .show_host_node_name = 1,
2198 .show_host_port_name = 1,
2199 .show_host_supported_classes = 1,
2200 .show_host_supported_speeds = 1,
2201
2202 .get_host_port_id = qla2x00_get_host_port_id,
2203 .show_host_port_id = 1,
2204 .get_host_speed = qla2x00_get_host_speed,
2205 .show_host_speed = 1,
2206 .get_host_port_type = qla2x00_get_host_port_type,
2207 .show_host_port_type = 1,
2208 .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2209 .show_host_symbolic_name = 1,
2210 .set_host_system_hostname = qla2x00_set_host_system_hostname,
2211 .show_host_system_hostname = 1,
2212 .get_host_fabric_name = qla2x00_get_host_fabric_name,
2213 .show_host_fabric_name = 1,
2214 .get_host_port_state = qla2x00_get_host_port_state,
2215 .show_host_port_state = 1,
2216
2217 .dd_fcrport_size = sizeof(struct fc_port *),
2218 .show_rport_supported_classes = 1,
2219
2220 .get_starget_node_name = qla2x00_get_starget_node_name,
2221 .show_starget_node_name = 1,
2222 .get_starget_port_name = qla2x00_get_starget_port_name,
2223 .show_starget_port_name = 1,
2224 .get_starget_port_id = qla2x00_get_starget_port_id,
2225 .show_starget_port_id = 1,
2226
2227 .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2228 .show_rport_dev_loss_tmo = 1,
2229
2230 .issue_fc_host_lip = qla2x00_issue_lip,
2231 .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2232 .terminate_rport_io = qla2x00_terminate_rport_io,
2233 .get_fc_host_stats = qla2x00_get_fc_host_stats,
2234 .reset_fc_host_stats = qla2x00_reset_host_stats,
2235
2236 .vport_create = qla24xx_vport_create,
2237 .vport_disable = qla24xx_vport_disable,
2238 .vport_delete = qla24xx_vport_delete,
2239 .bsg_request = qla24xx_bsg_request,
2240 .bsg_timeout = qla24xx_bsg_timeout,
2241 };
2242
2243 struct fc_function_template qla2xxx_transport_vport_functions = {
2244
2245 .show_host_node_name = 1,
2246 .show_host_port_name = 1,
2247 .show_host_supported_classes = 1,
2248
2249 .get_host_port_id = qla2x00_get_host_port_id,
2250 .show_host_port_id = 1,
2251 .get_host_speed = qla2x00_get_host_speed,
2252 .show_host_speed = 1,
2253 .get_host_port_type = qla2x00_get_host_port_type,
2254 .show_host_port_type = 1,
2255 .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2256 .show_host_symbolic_name = 1,
2257 .set_host_system_hostname = qla2x00_set_host_system_hostname,
2258 .show_host_system_hostname = 1,
2259 .get_host_fabric_name = qla2x00_get_host_fabric_name,
2260 .show_host_fabric_name = 1,
2261 .get_host_port_state = qla2x00_get_host_port_state,
2262 .show_host_port_state = 1,
2263
2264 .dd_fcrport_size = sizeof(struct fc_port *),
2265 .show_rport_supported_classes = 1,
2266
2267 .get_starget_node_name = qla2x00_get_starget_node_name,
2268 .show_starget_node_name = 1,
2269 .get_starget_port_name = qla2x00_get_starget_port_name,
2270 .show_starget_port_name = 1,
2271 .get_starget_port_id = qla2x00_get_starget_port_id,
2272 .show_starget_port_id = 1,
2273
2274 .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2275 .show_rport_dev_loss_tmo = 1,
2276
2277 .issue_fc_host_lip = qla2x00_issue_lip,
2278 .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2279 .terminate_rport_io = qla2x00_terminate_rport_io,
2280 .get_fc_host_stats = qla2x00_get_fc_host_stats,
2281 .reset_fc_host_stats = qla2x00_reset_host_stats,
2282
2283 .bsg_request = qla24xx_bsg_request,
2284 .bsg_timeout = qla24xx_bsg_timeout,
2285 };
2286
2287 void
2288 qla2x00_init_host_attr(scsi_qla_host_t *vha)
2289 {
2290 struct qla_hw_data *ha = vha->hw;
2291 u32 speed = FC_PORTSPEED_UNKNOWN;
2292
2293 fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2294 fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2295 fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2296 fc_host_supported_classes(vha->host) = ha->tgt.enable_class_2 ?
2297 (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
2298 fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
2299 fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
2300
2301 if (IS_CNA_CAPABLE(ha))
2302 speed = FC_PORTSPEED_10GBIT;
2303 else if (IS_QLA2031(ha))
2304 speed = FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
2305 FC_PORTSPEED_4GBIT;
2306 else if (IS_QLA25XX(ha))
2307 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2308 FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2309 else if (IS_QLA24XX_TYPE(ha))
2310 speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
2311 FC_PORTSPEED_1GBIT;
2312 else if (IS_QLA23XX(ha))
2313 speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2314 else if (IS_QLAFX00(ha))
2315 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2316 FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2317 else if (IS_QLA27XX(ha))
2318 speed = FC_PORTSPEED_32GBIT | FC_PORTSPEED_16GBIT |
2319 FC_PORTSPEED_8GBIT;
2320 else
2321 speed = FC_PORTSPEED_1GBIT;
2322 fc_host_supported_speeds(vha->host) = speed;
2323 }
Linux with added FPC-III support