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efi/arm: Fix boot crash with CONFIG_CPUMASK_OFFSTACK=y
[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_nvram(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 (!capable(CAP_SYS_ADMIN))
159 return 0;
160
161 if (IS_NOCACHE_VPD_TYPE(ha))
162 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
163 ha->nvram_size);
164 return memory_read_from_buffer(buf, count, &off, ha->nvram,
165 ha->nvram_size);
166 }
167
168 static ssize_t
169 qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
170 struct bin_attribute *bin_attr,
171 char *buf, loff_t off, size_t count)
172 {
173 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
174 struct device, kobj)));
175 struct qla_hw_data *ha = vha->hw;
176 uint16_t cnt;
177
178 if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
179 !ha->isp_ops->write_nvram)
180 return -EINVAL;
181
182 /* Checksum NVRAM. */
183 if (IS_FWI2_CAPABLE(ha)) {
184 uint32_t *iter;
185 uint32_t chksum;
186
187 iter = (uint32_t *)buf;
188 chksum = 0;
189 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++, iter++)
190 chksum += le32_to_cpu(*iter);
191 chksum = ~chksum + 1;
192 *iter = cpu_to_le32(chksum);
193 } else {
194 uint8_t *iter;
195 uint8_t chksum;
196
197 iter = (uint8_t *)buf;
198 chksum = 0;
199 for (cnt = 0; cnt < count - 1; cnt++)
200 chksum += *iter++;
201 chksum = ~chksum + 1;
202 *iter = chksum;
203 }
204
205 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
206 ql_log(ql_log_warn, vha, 0x705f,
207 "HBA not online, failing NVRAM update.\n");
208 return -EAGAIN;
209 }
210
211 /* Write NVRAM. */
212 ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
213 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
214 count);
215
216 ql_dbg(ql_dbg_user, vha, 0x7060,
217 "Setting ISP_ABORT_NEEDED\n");
218 /* NVRAM settings take effect immediately. */
219 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
220 qla2xxx_wake_dpc(vha);
221 qla2x00_wait_for_chip_reset(vha);
222
223 return count;
224 }
225
226 static struct bin_attribute sysfs_nvram_attr = {
227 .attr = {
228 .name = "nvram",
229 .mode = S_IRUSR | S_IWUSR,
230 },
231 .size = 512,
232 .read = qla2x00_sysfs_read_nvram,
233 .write = qla2x00_sysfs_write_nvram,
234 };
235
236 static ssize_t
237 qla2x00_sysfs_read_optrom(struct file *filp, struct kobject *kobj,
238 struct bin_attribute *bin_attr,
239 char *buf, loff_t off, size_t count)
240 {
241 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
242 struct device, kobj)));
243 struct qla_hw_data *ha = vha->hw;
244 ssize_t rval = 0;
245
246 mutex_lock(&ha->optrom_mutex);
247
248 if (ha->optrom_state != QLA_SREADING)
249 goto out;
250
251 rval = memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
252 ha->optrom_region_size);
253
254 out:
255 mutex_unlock(&ha->optrom_mutex);
256
257 return rval;
258 }
259
260 static ssize_t
261 qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
262 struct bin_attribute *bin_attr,
263 char *buf, loff_t off, size_t count)
264 {
265 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
266 struct device, kobj)));
267 struct qla_hw_data *ha = vha->hw;
268
269 mutex_lock(&ha->optrom_mutex);
270
271 if (ha->optrom_state != QLA_SWRITING) {
272 mutex_unlock(&ha->optrom_mutex);
273 return -EINVAL;
274 }
275 if (off > ha->optrom_region_size) {
276 mutex_unlock(&ha->optrom_mutex);
277 return -ERANGE;
278 }
279 if (off + count > ha->optrom_region_size)
280 count = ha->optrom_region_size - off;
281
282 memcpy(&ha->optrom_buffer[off], buf, count);
283 mutex_unlock(&ha->optrom_mutex);
284
285 return count;
286 }
287
288 static struct bin_attribute sysfs_optrom_attr = {
289 .attr = {
290 .name = "optrom",
291 .mode = S_IRUSR | S_IWUSR,
292 },
293 .size = 0,
294 .read = qla2x00_sysfs_read_optrom,
295 .write = qla2x00_sysfs_write_optrom,
296 };
297
298 static ssize_t
299 qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
300 struct bin_attribute *bin_attr,
301 char *buf, loff_t off, size_t count)
302 {
303 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
304 struct device, kobj)));
305 struct qla_hw_data *ha = vha->hw;
306 uint32_t start = 0;
307 uint32_t size = ha->optrom_size;
308 int val, valid;
309 ssize_t rval = count;
310
311 if (off)
312 return -EINVAL;
313
314 if (unlikely(pci_channel_offline(ha->pdev)))
315 return -EAGAIN;
316
317 if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
318 return -EINVAL;
319 if (start > ha->optrom_size)
320 return -EINVAL;
321
322 mutex_lock(&ha->optrom_mutex);
323 switch (val) {
324 case 0:
325 if (ha->optrom_state != QLA_SREADING &&
326 ha->optrom_state != QLA_SWRITING) {
327 rval = -EINVAL;
328 goto out;
329 }
330 ha->optrom_state = QLA_SWAITING;
331
332 ql_dbg(ql_dbg_user, vha, 0x7061,
333 "Freeing flash region allocation -- 0x%x bytes.\n",
334 ha->optrom_region_size);
335
336 vfree(ha->optrom_buffer);
337 ha->optrom_buffer = NULL;
338 break;
339 case 1:
340 if (ha->optrom_state != QLA_SWAITING) {
341 rval = -EINVAL;
342 goto out;
343 }
344
345 ha->optrom_region_start = start;
346 ha->optrom_region_size = start + size > ha->optrom_size ?
347 ha->optrom_size - start : size;
348
349 ha->optrom_state = QLA_SREADING;
350 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
351 if (ha->optrom_buffer == NULL) {
352 ql_log(ql_log_warn, vha, 0x7062,
353 "Unable to allocate memory for optrom retrieval "
354 "(%x).\n", ha->optrom_region_size);
355
356 ha->optrom_state = QLA_SWAITING;
357 rval = -ENOMEM;
358 goto out;
359 }
360
361 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
362 ql_log(ql_log_warn, vha, 0x7063,
363 "HBA not online, failing NVRAM update.\n");
364 rval = -EAGAIN;
365 goto out;
366 }
367
368 ql_dbg(ql_dbg_user, vha, 0x7064,
369 "Reading flash region -- 0x%x/0x%x.\n",
370 ha->optrom_region_start, ha->optrom_region_size);
371
372 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
373 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
374 ha->optrom_region_start, ha->optrom_region_size);
375 break;
376 case 2:
377 if (ha->optrom_state != QLA_SWAITING) {
378 rval = -EINVAL;
379 goto out;
380 }
381
382 /*
383 * We need to be more restrictive on which FLASH regions are
384 * allowed to be updated via user-space. Regions accessible
385 * via this method include:
386 *
387 * ISP21xx/ISP22xx/ISP23xx type boards:
388 *
389 * 0x000000 -> 0x020000 -- Boot code.
390 *
391 * ISP2322/ISP24xx type boards:
392 *
393 * 0x000000 -> 0x07ffff -- Boot code.
394 * 0x080000 -> 0x0fffff -- Firmware.
395 *
396 * ISP25xx type boards:
397 *
398 * 0x000000 -> 0x07ffff -- Boot code.
399 * 0x080000 -> 0x0fffff -- Firmware.
400 * 0x120000 -> 0x12ffff -- VPD and HBA parameters.
401 */
402 valid = 0;
403 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
404 valid = 1;
405 else if (start == (ha->flt_region_boot * 4) ||
406 start == (ha->flt_region_fw * 4))
407 valid = 1;
408 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)
409 || IS_CNA_CAPABLE(ha) || IS_QLA2031(ha)
410 || IS_QLA27XX(ha))
411 valid = 1;
412 if (!valid) {
413 ql_log(ql_log_warn, vha, 0x7065,
414 "Invalid start region 0x%x/0x%x.\n", start, size);
415 rval = -EINVAL;
416 goto out;
417 }
418
419 ha->optrom_region_start = start;
420 ha->optrom_region_size = start + size > ha->optrom_size ?
421 ha->optrom_size - start : size;
422
423 ha->optrom_state = QLA_SWRITING;
424 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
425 if (ha->optrom_buffer == NULL) {
426 ql_log(ql_log_warn, vha, 0x7066,
427 "Unable to allocate memory for optrom update "
428 "(%x)\n", ha->optrom_region_size);
429
430 ha->optrom_state = QLA_SWAITING;
431 rval = -ENOMEM;
432 goto out;
433 }
434
435 ql_dbg(ql_dbg_user, vha, 0x7067,
436 "Staging flash region write -- 0x%x/0x%x.\n",
437 ha->optrom_region_start, ha->optrom_region_size);
438
439 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
440 break;
441 case 3:
442 if (ha->optrom_state != QLA_SWRITING) {
443 rval = -EINVAL;
444 goto out;
445 }
446
447 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
448 ql_log(ql_log_warn, vha, 0x7068,
449 "HBA not online, failing flash update.\n");
450 rval = -EAGAIN;
451 goto out;
452 }
453
454 ql_dbg(ql_dbg_user, vha, 0x7069,
455 "Writing flash region -- 0x%x/0x%x.\n",
456 ha->optrom_region_start, ha->optrom_region_size);
457
458 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
459 ha->optrom_region_start, ha->optrom_region_size);
460 break;
461 default:
462 rval = -EINVAL;
463 }
464
465 out:
466 mutex_unlock(&ha->optrom_mutex);
467 return rval;
468 }
469
470 static struct bin_attribute sysfs_optrom_ctl_attr = {
471 .attr = {
472 .name = "optrom_ctl",
473 .mode = S_IWUSR,
474 },
475 .size = 0,
476 .write = qla2x00_sysfs_write_optrom_ctl,
477 };
478
479 static ssize_t
480 qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
481 struct bin_attribute *bin_attr,
482 char *buf, loff_t off, size_t count)
483 {
484 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
485 struct device, kobj)));
486 struct qla_hw_data *ha = vha->hw;
487 uint32_t faddr;
488
489 if (unlikely(pci_channel_offline(ha->pdev)))
490 return -EAGAIN;
491
492 if (!capable(CAP_SYS_ADMIN))
493 return -EINVAL;
494
495 if (IS_NOCACHE_VPD_TYPE(ha)) {
496 faddr = ha->flt_region_vpd << 2;
497
498 if (IS_QLA27XX(ha) &&
499 qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
500 faddr = ha->flt_region_vpd_sec << 2;
501
502 ha->isp_ops->read_optrom(vha, ha->vpd, faddr,
503 ha->vpd_size);
504 }
505 return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
506 }
507
508 static ssize_t
509 qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
510 struct bin_attribute *bin_attr,
511 char *buf, loff_t off, size_t count)
512 {
513 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
514 struct device, kobj)));
515 struct qla_hw_data *ha = vha->hw;
516 uint8_t *tmp_data;
517
518 if (unlikely(pci_channel_offline(ha->pdev)))
519 return 0;
520
521 if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
522 !ha->isp_ops->write_nvram)
523 return 0;
524
525 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
526 ql_log(ql_log_warn, vha, 0x706a,
527 "HBA not online, failing VPD update.\n");
528 return -EAGAIN;
529 }
530
531 /* Write NVRAM. */
532 ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
533 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
534
535 /* Update flash version information for 4Gb & above. */
536 if (!IS_FWI2_CAPABLE(ha))
537 return -EINVAL;
538
539 tmp_data = vmalloc(256);
540 if (!tmp_data) {
541 ql_log(ql_log_warn, vha, 0x706b,
542 "Unable to allocate memory for VPD information update.\n");
543 return -ENOMEM;
544 }
545 ha->isp_ops->get_flash_version(vha, tmp_data);
546 vfree(tmp_data);
547
548 return count;
549 }
550
551 static struct bin_attribute sysfs_vpd_attr = {
552 .attr = {
553 .name = "vpd",
554 .mode = S_IRUSR | S_IWUSR,
555 },
556 .size = 0,
557 .read = qla2x00_sysfs_read_vpd,
558 .write = qla2x00_sysfs_write_vpd,
559 };
560
561 static ssize_t
562 qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
563 struct bin_attribute *bin_attr,
564 char *buf, loff_t off, size_t count)
565 {
566 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
567 struct device, kobj)));
568 struct qla_hw_data *ha = vha->hw;
569 uint16_t iter, addr, offset;
570 int rval;
571
572 if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
573 return 0;
574
575 if (ha->sfp_data)
576 goto do_read;
577
578 ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
579 &ha->sfp_data_dma);
580 if (!ha->sfp_data) {
581 ql_log(ql_log_warn, vha, 0x706c,
582 "Unable to allocate memory for SFP read-data.\n");
583 return 0;
584 }
585
586 do_read:
587 memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
588 addr = 0xa0;
589 for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
590 iter++, offset += SFP_BLOCK_SIZE) {
591 if (iter == 4) {
592 /* Skip to next device address. */
593 addr = 0xa2;
594 offset = 0;
595 }
596
597 rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, ha->sfp_data,
598 addr, offset, SFP_BLOCK_SIZE, BIT_1);
599 if (rval != QLA_SUCCESS) {
600 ql_log(ql_log_warn, vha, 0x706d,
601 "Unable to read SFP data (%x/%x/%x).\n", rval,
602 addr, offset);
603
604 return -EIO;
605 }
606 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
607 buf += SFP_BLOCK_SIZE;
608 }
609
610 return count;
611 }
612
613 static struct bin_attribute sysfs_sfp_attr = {
614 .attr = {
615 .name = "sfp",
616 .mode = S_IRUSR | S_IWUSR,
617 },
618 .size = SFP_DEV_SIZE * 2,
619 .read = qla2x00_sysfs_read_sfp,
620 };
621
622 static ssize_t
623 qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
624 struct bin_attribute *bin_attr,
625 char *buf, loff_t off, size_t count)
626 {
627 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
628 struct device, kobj)));
629 struct qla_hw_data *ha = vha->hw;
630 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
631 int type;
632 uint32_t idc_control;
633 uint8_t *tmp_data = NULL;
634 if (off != 0)
635 return -EINVAL;
636
637 type = simple_strtol(buf, NULL, 10);
638 switch (type) {
639 case 0x2025c:
640 ql_log(ql_log_info, vha, 0x706e,
641 "Issuing ISP reset.\n");
642
643 scsi_block_requests(vha->host);
644 if (IS_QLA82XX(ha)) {
645 ha->flags.isp82xx_no_md_cap = 1;
646 qla82xx_idc_lock(ha);
647 qla82xx_set_reset_owner(vha);
648 qla82xx_idc_unlock(ha);
649 } else if (IS_QLA8044(ha)) {
650 qla8044_idc_lock(ha);
651 idc_control = qla8044_rd_reg(ha,
652 QLA8044_IDC_DRV_CTRL);
653 qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
654 (idc_control | GRACEFUL_RESET_BIT1));
655 qla82xx_set_reset_owner(vha);
656 qla8044_idc_unlock(ha);
657 } else {
658 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
659 qla2xxx_wake_dpc(vha);
660 }
661 qla2x00_wait_for_chip_reset(vha);
662 scsi_unblock_requests(vha->host);
663 break;
664 case 0x2025d:
665 if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
666 return -EPERM;
667
668 ql_log(ql_log_info, vha, 0x706f,
669 "Issuing MPI reset.\n");
670
671 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
672 uint32_t idc_control;
673
674 qla83xx_idc_lock(vha, 0);
675 __qla83xx_get_idc_control(vha, &idc_control);
676 idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
677 __qla83xx_set_idc_control(vha, idc_control);
678 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
679 QLA8XXX_DEV_NEED_RESET);
680 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
681 qla83xx_idc_unlock(vha, 0);
682 break;
683 } else {
684 /* Make sure FC side is not in reset */
685 qla2x00_wait_for_hba_online(vha);
686
687 /* Issue MPI reset */
688 scsi_block_requests(vha->host);
689 if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
690 ql_log(ql_log_warn, vha, 0x7070,
691 "MPI reset failed.\n");
692 scsi_unblock_requests(vha->host);
693 break;
694 }
695 case 0x2025e:
696 if (!IS_P3P_TYPE(ha) || vha != base_vha) {
697 ql_log(ql_log_info, vha, 0x7071,
698 "FCoE ctx reset no supported.\n");
699 return -EPERM;
700 }
701
702 ql_log(ql_log_info, vha, 0x7072,
703 "Issuing FCoE ctx reset.\n");
704 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
705 qla2xxx_wake_dpc(vha);
706 qla2x00_wait_for_fcoe_ctx_reset(vha);
707 break;
708 case 0x2025f:
709 if (!IS_QLA8031(ha))
710 return -EPERM;
711 ql_log(ql_log_info, vha, 0x70bc,
712 "Disabling Reset by IDC control\n");
713 qla83xx_idc_lock(vha, 0);
714 __qla83xx_get_idc_control(vha, &idc_control);
715 idc_control |= QLA83XX_IDC_RESET_DISABLED;
716 __qla83xx_set_idc_control(vha, idc_control);
717 qla83xx_idc_unlock(vha, 0);
718 break;
719 case 0x20260:
720 if (!IS_QLA8031(ha))
721 return -EPERM;
722 ql_log(ql_log_info, vha, 0x70bd,
723 "Enabling Reset by IDC control\n");
724 qla83xx_idc_lock(vha, 0);
725 __qla83xx_get_idc_control(vha, &idc_control);
726 idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
727 __qla83xx_set_idc_control(vha, idc_control);
728 qla83xx_idc_unlock(vha, 0);
729 break;
730 case 0x20261:
731 ql_dbg(ql_dbg_user, vha, 0x70e0,
732 "Updating cache versions without reset ");
733
734 tmp_data = vmalloc(256);
735 if (!tmp_data) {
736 ql_log(ql_log_warn, vha, 0x70e1,
737 "Unable to allocate memory for VPD information update.\n");
738 return -ENOMEM;
739 }
740 ha->isp_ops->get_flash_version(vha, tmp_data);
741 vfree(tmp_data);
742 break;
743 }
744 return count;
745 }
746
747 static struct bin_attribute sysfs_reset_attr = {
748 .attr = {
749 .name = "reset",
750 .mode = S_IWUSR,
751 },
752 .size = 0,
753 .write = qla2x00_sysfs_write_reset,
754 };
755
756 static ssize_t
757 qla2x00_issue_logo(struct file *filp, struct kobject *kobj,
758 struct bin_attribute *bin_attr,
759 char *buf, loff_t off, size_t count)
760 {
761 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
762 struct device, kobj)));
763 int type;
764 port_id_t did;
765
766 type = simple_strtol(buf, NULL, 10);
767
768 did.b.domain = (type & 0x00ff0000) >> 16;
769 did.b.area = (type & 0x0000ff00) >> 8;
770 did.b.al_pa = (type & 0x000000ff);
771
772 ql_log(ql_log_info, vha, 0x70e3, "portid=%02x%02x%02x done\n",
773 did.b.domain, did.b.area, did.b.al_pa);
774
775 ql_log(ql_log_info, vha, 0x70e4, "%s: %d\n", __func__, type);
776
777 qla24xx_els_dcmd_iocb(vha, ELS_DCMD_LOGO, did);
778 return count;
779 }
780
781 static struct bin_attribute sysfs_issue_logo_attr = {
782 .attr = {
783 .name = "issue_logo",
784 .mode = S_IWUSR,
785 },
786 .size = 0,
787 .write = qla2x00_issue_logo,
788 };
789
790 static ssize_t
791 qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
792 struct bin_attribute *bin_attr,
793 char *buf, loff_t off, size_t count)
794 {
795 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
796 struct device, kobj)));
797 struct qla_hw_data *ha = vha->hw;
798 int rval;
799 uint16_t actual_size;
800
801 if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
802 return 0;
803
804 if (ha->xgmac_data)
805 goto do_read;
806
807 ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
808 &ha->xgmac_data_dma, GFP_KERNEL);
809 if (!ha->xgmac_data) {
810 ql_log(ql_log_warn, vha, 0x7076,
811 "Unable to allocate memory for XGMAC read-data.\n");
812 return 0;
813 }
814
815 do_read:
816 actual_size = 0;
817 memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
818
819 rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
820 XGMAC_DATA_SIZE, &actual_size);
821 if (rval != QLA_SUCCESS) {
822 ql_log(ql_log_warn, vha, 0x7077,
823 "Unable to read XGMAC data (%x).\n", rval);
824 count = 0;
825 }
826
827 count = actual_size > count ? count: actual_size;
828 memcpy(buf, ha->xgmac_data, count);
829
830 return count;
831 }
832
833 static struct bin_attribute sysfs_xgmac_stats_attr = {
834 .attr = {
835 .name = "xgmac_stats",
836 .mode = S_IRUSR,
837 },
838 .size = 0,
839 .read = qla2x00_sysfs_read_xgmac_stats,
840 };
841
842 static ssize_t
843 qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
844 struct bin_attribute *bin_attr,
845 char *buf, loff_t off, size_t count)
846 {
847 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
848 struct device, kobj)));
849 struct qla_hw_data *ha = vha->hw;
850 int rval;
851
852 if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
853 return 0;
854
855 if (ha->dcbx_tlv)
856 goto do_read;
857
858 ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
859 &ha->dcbx_tlv_dma, GFP_KERNEL);
860 if (!ha->dcbx_tlv) {
861 ql_log(ql_log_warn, vha, 0x7078,
862 "Unable to allocate memory for DCBX TLV read-data.\n");
863 return -ENOMEM;
864 }
865
866 do_read:
867 memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
868
869 rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
870 DCBX_TLV_DATA_SIZE);
871 if (rval != QLA_SUCCESS) {
872 ql_log(ql_log_warn, vha, 0x7079,
873 "Unable to read DCBX TLV (%x).\n", rval);
874 return -EIO;
875 }
876
877 memcpy(buf, ha->dcbx_tlv, count);
878
879 return count;
880 }
881
882 static struct bin_attribute sysfs_dcbx_tlv_attr = {
883 .attr = {
884 .name = "dcbx_tlv",
885 .mode = S_IRUSR,
886 },
887 .size = 0,
888 .read = qla2x00_sysfs_read_dcbx_tlv,
889 };
890
891 static struct sysfs_entry {
892 char *name;
893 struct bin_attribute *attr;
894 int is4GBp_only;
895 } bin_file_entries[] = {
896 { "fw_dump", &sysfs_fw_dump_attr, },
897 { "nvram", &sysfs_nvram_attr, },
898 { "optrom", &sysfs_optrom_attr, },
899 { "optrom_ctl", &sysfs_optrom_ctl_attr, },
900 { "vpd", &sysfs_vpd_attr, 1 },
901 { "sfp", &sysfs_sfp_attr, 1 },
902 { "reset", &sysfs_reset_attr, },
903 { "issue_logo", &sysfs_issue_logo_attr, },
904 { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
905 { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
906 { NULL },
907 };
908
909 void
910 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
911 {
912 struct Scsi_Host *host = vha->host;
913 struct sysfs_entry *iter;
914 int ret;
915
916 for (iter = bin_file_entries; iter->name; iter++) {
917 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
918 continue;
919 if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
920 continue;
921 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
922 continue;
923
924 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
925 iter->attr);
926 if (ret)
927 ql_log(ql_log_warn, vha, 0x00f3,
928 "Unable to create sysfs %s binary attribute (%d).\n",
929 iter->name, ret);
930 else
931 ql_dbg(ql_dbg_init, vha, 0x00f4,
932 "Successfully created sysfs %s binary attribure.\n",
933 iter->name);
934 }
935 }
936
937 void
938 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
939 {
940 struct Scsi_Host *host = vha->host;
941 struct sysfs_entry *iter;
942 struct qla_hw_data *ha = vha->hw;
943
944 for (iter = bin_file_entries; iter->name; iter++) {
945 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
946 continue;
947 if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
948 continue;
949 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
950 continue;
951 if (iter->is4GBp_only == 0x27 && !IS_QLA27XX(vha->hw))
952 continue;
953
954 sysfs_remove_bin_file(&host->shost_gendev.kobj,
955 iter->attr);
956 }
957
958 if (stop_beacon && ha->beacon_blink_led == 1)
959 ha->isp_ops->beacon_off(vha);
960 }
961
962 /* Scsi_Host attributes. */
963
964 static ssize_t
965 qla2x00_drvr_version_show(struct device *dev,
966 struct device_attribute *attr, char *buf)
967 {
968 return scnprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
969 }
970
971 static ssize_t
972 qla2x00_fw_version_show(struct device *dev,
973 struct device_attribute *attr, char *buf)
974 {
975 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
976 struct qla_hw_data *ha = vha->hw;
977 char fw_str[128];
978
979 return scnprintf(buf, PAGE_SIZE, "%s\n",
980 ha->isp_ops->fw_version_str(vha, fw_str, sizeof(fw_str)));
981 }
982
983 static ssize_t
984 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
985 char *buf)
986 {
987 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
988 struct qla_hw_data *ha = vha->hw;
989 uint32_t sn;
990
991 if (IS_QLAFX00(vha->hw)) {
992 return scnprintf(buf, PAGE_SIZE, "%s\n",
993 vha->hw->mr.serial_num);
994 } else if (IS_FWI2_CAPABLE(ha)) {
995 qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1);
996 return strlen(strcat(buf, "\n"));
997 }
998
999 sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1000 return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
1001 sn % 100000);
1002 }
1003
1004 static ssize_t
1005 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
1006 char *buf)
1007 {
1008 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1009 return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
1010 }
1011
1012 static ssize_t
1013 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
1014 char *buf)
1015 {
1016 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1017 struct qla_hw_data *ha = vha->hw;
1018
1019 if (IS_QLAFX00(vha->hw))
1020 return scnprintf(buf, PAGE_SIZE, "%s\n",
1021 vha->hw->mr.hw_version);
1022
1023 return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
1024 ha->product_id[0], ha->product_id[1], ha->product_id[2],
1025 ha->product_id[3]);
1026 }
1027
1028 static ssize_t
1029 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
1030 char *buf)
1031 {
1032 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1033
1034 return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
1035 }
1036
1037 static ssize_t
1038 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
1039 char *buf)
1040 {
1041 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1042 return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_desc);
1043 }
1044
1045 static ssize_t
1046 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
1047 char *buf)
1048 {
1049 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1050 char pci_info[30];
1051
1052 return scnprintf(buf, PAGE_SIZE, "%s\n",
1053 vha->hw->isp_ops->pci_info_str(vha, pci_info));
1054 }
1055
1056 static ssize_t
1057 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
1058 char *buf)
1059 {
1060 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1061 struct qla_hw_data *ha = vha->hw;
1062 int len = 0;
1063
1064 if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
1065 atomic_read(&vha->loop_state) == LOOP_DEAD ||
1066 vha->device_flags & DFLG_NO_CABLE)
1067 len = scnprintf(buf, PAGE_SIZE, "Link Down\n");
1068 else if (atomic_read(&vha->loop_state) != LOOP_READY ||
1069 qla2x00_reset_active(vha))
1070 len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n");
1071 else {
1072 len = scnprintf(buf, PAGE_SIZE, "Link Up - ");
1073
1074 switch (ha->current_topology) {
1075 case ISP_CFG_NL:
1076 len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1077 break;
1078 case ISP_CFG_FL:
1079 len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
1080 break;
1081 case ISP_CFG_N:
1082 len += scnprintf(buf + len, PAGE_SIZE-len,
1083 "N_Port to N_Port\n");
1084 break;
1085 case ISP_CFG_F:
1086 len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
1087 break;
1088 default:
1089 len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1090 break;
1091 }
1092 }
1093 return len;
1094 }
1095
1096 static ssize_t
1097 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
1098 char *buf)
1099 {
1100 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1101 int len = 0;
1102
1103 switch (vha->hw->zio_mode) {
1104 case QLA_ZIO_MODE_6:
1105 len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1106 break;
1107 case QLA_ZIO_DISABLED:
1108 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1109 break;
1110 }
1111 return len;
1112 }
1113
1114 static ssize_t
1115 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1116 const char *buf, size_t count)
1117 {
1118 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1119 struct qla_hw_data *ha = vha->hw;
1120 int val = 0;
1121 uint16_t zio_mode;
1122
1123 if (!IS_ZIO_SUPPORTED(ha))
1124 return -ENOTSUPP;
1125
1126 if (sscanf(buf, "%d", &val) != 1)
1127 return -EINVAL;
1128
1129 if (val)
1130 zio_mode = QLA_ZIO_MODE_6;
1131 else
1132 zio_mode = QLA_ZIO_DISABLED;
1133
1134 /* Update per-hba values and queue a reset. */
1135 if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1136 ha->zio_mode = zio_mode;
1137 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1138 }
1139 return strlen(buf);
1140 }
1141
1142 static ssize_t
1143 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1144 char *buf)
1145 {
1146 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1147
1148 return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1149 }
1150
1151 static ssize_t
1152 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1153 const char *buf, size_t count)
1154 {
1155 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1156 int val = 0;
1157 uint16_t zio_timer;
1158
1159 if (sscanf(buf, "%d", &val) != 1)
1160 return -EINVAL;
1161 if (val > 25500 || val < 100)
1162 return -ERANGE;
1163
1164 zio_timer = (uint16_t)(val / 100);
1165 vha->hw->zio_timer = zio_timer;
1166
1167 return strlen(buf);
1168 }
1169
1170 static ssize_t
1171 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1172 char *buf)
1173 {
1174 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1175 int len = 0;
1176
1177 if (vha->hw->beacon_blink_led)
1178 len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1179 else
1180 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1181 return len;
1182 }
1183
1184 static ssize_t
1185 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1186 const char *buf, size_t count)
1187 {
1188 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1189 struct qla_hw_data *ha = vha->hw;
1190 int val = 0;
1191 int rval;
1192
1193 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1194 return -EPERM;
1195
1196 if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
1197 ql_log(ql_log_warn, vha, 0x707a,
1198 "Abort ISP active -- ignoring beacon request.\n");
1199 return -EBUSY;
1200 }
1201
1202 if (sscanf(buf, "%d", &val) != 1)
1203 return -EINVAL;
1204
1205 if (val)
1206 rval = ha->isp_ops->beacon_on(vha);
1207 else
1208 rval = ha->isp_ops->beacon_off(vha);
1209
1210 if (rval != QLA_SUCCESS)
1211 count = 0;
1212
1213 return count;
1214 }
1215
1216 static ssize_t
1217 qla2x00_optrom_bios_version_show(struct device *dev,
1218 struct device_attribute *attr, char *buf)
1219 {
1220 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1221 struct qla_hw_data *ha = vha->hw;
1222 return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1223 ha->bios_revision[0]);
1224 }
1225
1226 static ssize_t
1227 qla2x00_optrom_efi_version_show(struct device *dev,
1228 struct device_attribute *attr, char *buf)
1229 {
1230 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1231 struct qla_hw_data *ha = vha->hw;
1232 return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1233 ha->efi_revision[0]);
1234 }
1235
1236 static ssize_t
1237 qla2x00_optrom_fcode_version_show(struct device *dev,
1238 struct device_attribute *attr, char *buf)
1239 {
1240 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1241 struct qla_hw_data *ha = vha->hw;
1242 return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1243 ha->fcode_revision[0]);
1244 }
1245
1246 static ssize_t
1247 qla2x00_optrom_fw_version_show(struct device *dev,
1248 struct device_attribute *attr, char *buf)
1249 {
1250 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1251 struct qla_hw_data *ha = vha->hw;
1252 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1253 ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1254 ha->fw_revision[3]);
1255 }
1256
1257 static ssize_t
1258 qla2x00_optrom_gold_fw_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
1264 if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha) && !IS_QLA27XX(ha))
1265 return scnprintf(buf, PAGE_SIZE, "\n");
1266
1267 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1268 ha->gold_fw_version[0], ha->gold_fw_version[1],
1269 ha->gold_fw_version[2], ha->gold_fw_version[3]);
1270 }
1271
1272 static ssize_t
1273 qla2x00_total_isp_aborts_show(struct device *dev,
1274 struct device_attribute *attr, char *buf)
1275 {
1276 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1277 return scnprintf(buf, PAGE_SIZE, "%d\n",
1278 vha->qla_stats.total_isp_aborts);
1279 }
1280
1281 static ssize_t
1282 qla24xx_84xx_fw_version_show(struct device *dev,
1283 struct device_attribute *attr, char *buf)
1284 {
1285 int rval = QLA_SUCCESS;
1286 uint16_t status[2] = {0, 0};
1287 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1288 struct qla_hw_data *ha = vha->hw;
1289
1290 if (!IS_QLA84XX(ha))
1291 return scnprintf(buf, PAGE_SIZE, "\n");
1292
1293 if (ha->cs84xx->op_fw_version == 0)
1294 rval = qla84xx_verify_chip(vha, status);
1295
1296 if ((rval == QLA_SUCCESS) && (status[0] == 0))
1297 return scnprintf(buf, PAGE_SIZE, "%u\n",
1298 (uint32_t)ha->cs84xx->op_fw_version);
1299
1300 return scnprintf(buf, PAGE_SIZE, "\n");
1301 }
1302
1303 static ssize_t
1304 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1305 char *buf)
1306 {
1307 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1308 struct qla_hw_data *ha = vha->hw;
1309
1310 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha) &&
1311 !IS_QLA27XX(ha))
1312 return scnprintf(buf, PAGE_SIZE, "\n");
1313
1314 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1315 ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1316 ha->mpi_capabilities);
1317 }
1318
1319 static ssize_t
1320 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1321 char *buf)
1322 {
1323 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1324 struct qla_hw_data *ha = vha->hw;
1325
1326 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1327 return scnprintf(buf, PAGE_SIZE, "\n");
1328
1329 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1330 ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1331 }
1332
1333 static ssize_t
1334 qla2x00_flash_block_size_show(struct device *dev,
1335 struct device_attribute *attr, char *buf)
1336 {
1337 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1338 struct qla_hw_data *ha = vha->hw;
1339
1340 return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1341 }
1342
1343 static ssize_t
1344 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1345 char *buf)
1346 {
1347 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1348
1349 if (!IS_CNA_CAPABLE(vha->hw))
1350 return scnprintf(buf, PAGE_SIZE, "\n");
1351
1352 return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1353 }
1354
1355 static ssize_t
1356 qla2x00_vn_port_mac_address_show(struct device *dev,
1357 struct device_attribute *attr, char *buf)
1358 {
1359 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1360
1361 if (!IS_CNA_CAPABLE(vha->hw))
1362 return scnprintf(buf, PAGE_SIZE, "\n");
1363
1364 return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
1365 }
1366
1367 static ssize_t
1368 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1369 char *buf)
1370 {
1371 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1372
1373 return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1374 }
1375
1376 static ssize_t
1377 qla2x00_thermal_temp_show(struct device *dev,
1378 struct device_attribute *attr, char *buf)
1379 {
1380 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1381 uint16_t temp = 0;
1382
1383 if (qla2x00_reset_active(vha)) {
1384 ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1385 goto done;
1386 }
1387
1388 if (vha->hw->flags.eeh_busy) {
1389 ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1390 goto done;
1391 }
1392
1393 if (qla2x00_get_thermal_temp(vha, &temp) == QLA_SUCCESS)
1394 return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
1395
1396 done:
1397 return scnprintf(buf, PAGE_SIZE, "\n");
1398 }
1399
1400 static ssize_t
1401 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1402 char *buf)
1403 {
1404 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1405 int rval = QLA_FUNCTION_FAILED;
1406 uint16_t state[6];
1407 uint32_t pstate;
1408
1409 if (IS_QLAFX00(vha->hw)) {
1410 pstate = qlafx00_fw_state_show(dev, attr, buf);
1411 return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1412 }
1413
1414 if (qla2x00_reset_active(vha))
1415 ql_log(ql_log_warn, vha, 0x707c,
1416 "ISP reset active.\n");
1417 else if (!vha->hw->flags.eeh_busy)
1418 rval = qla2x00_get_firmware_state(vha, state);
1419 if (rval != QLA_SUCCESS)
1420 memset(state, -1, sizeof(state));
1421
1422 return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1423 state[0], state[1], state[2], state[3], state[4], state[5]);
1424 }
1425
1426 static ssize_t
1427 qla2x00_diag_requests_show(struct device *dev,
1428 struct device_attribute *attr, char *buf)
1429 {
1430 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1431
1432 if (!IS_BIDI_CAPABLE(vha->hw))
1433 return scnprintf(buf, PAGE_SIZE, "\n");
1434
1435 return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1436 }
1437
1438 static ssize_t
1439 qla2x00_diag_megabytes_show(struct device *dev,
1440 struct device_attribute *attr, char *buf)
1441 {
1442 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1443
1444 if (!IS_BIDI_CAPABLE(vha->hw))
1445 return scnprintf(buf, PAGE_SIZE, "\n");
1446
1447 return scnprintf(buf, PAGE_SIZE, "%llu\n",
1448 vha->bidi_stats.transfer_bytes >> 20);
1449 }
1450
1451 static ssize_t
1452 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1453 char *buf)
1454 {
1455 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1456 struct qla_hw_data *ha = vha->hw;
1457 uint32_t size;
1458
1459 if (!ha->fw_dumped)
1460 size = 0;
1461 else if (IS_P3P_TYPE(ha))
1462 size = ha->md_template_size + ha->md_dump_size;
1463 else
1464 size = ha->fw_dump_len;
1465
1466 return scnprintf(buf, PAGE_SIZE, "%d\n", size);
1467 }
1468
1469 static ssize_t
1470 qla2x00_allow_cna_fw_dump_show(struct device *dev,
1471 struct device_attribute *attr, char *buf)
1472 {
1473 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1474
1475 if (!IS_P3P_TYPE(vha->hw))
1476 return scnprintf(buf, PAGE_SIZE, "\n");
1477 else
1478 return scnprintf(buf, PAGE_SIZE, "%s\n",
1479 vha->hw->allow_cna_fw_dump ? "true" : "false");
1480 }
1481
1482 static ssize_t
1483 qla2x00_allow_cna_fw_dump_store(struct device *dev,
1484 struct device_attribute *attr, const char *buf, size_t count)
1485 {
1486 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1487 int val = 0;
1488
1489 if (!IS_P3P_TYPE(vha->hw))
1490 return -EINVAL;
1491
1492 if (sscanf(buf, "%d", &val) != 1)
1493 return -EINVAL;
1494
1495 vha->hw->allow_cna_fw_dump = val != 0;
1496
1497 return strlen(buf);
1498 }
1499
1500 static ssize_t
1501 qla2x00_pep_version_show(struct device *dev, struct device_attribute *attr,
1502 char *buf)
1503 {
1504 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1505 struct qla_hw_data *ha = vha->hw;
1506
1507 if (!IS_QLA27XX(ha))
1508 return scnprintf(buf, PAGE_SIZE, "\n");
1509
1510 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1511 ha->pep_version[0], ha->pep_version[1], ha->pep_version[2]);
1512 }
1513
1514 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
1515 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
1516 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
1517 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
1518 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
1519 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
1520 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
1521 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
1522 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
1523 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
1524 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
1525 qla2x00_zio_timer_store);
1526 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
1527 qla2x00_beacon_store);
1528 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
1529 qla2x00_optrom_bios_version_show, NULL);
1530 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
1531 qla2x00_optrom_efi_version_show, NULL);
1532 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
1533 qla2x00_optrom_fcode_version_show, NULL);
1534 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
1535 NULL);
1536 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
1537 qla2x00_optrom_gold_fw_version_show, NULL);
1538 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
1539 NULL);
1540 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
1541 NULL);
1542 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
1543 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
1544 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
1545 NULL);
1546 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
1547 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
1548 qla2x00_vn_port_mac_address_show, NULL);
1549 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
1550 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
1551 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
1552 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
1553 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
1554 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
1555 static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR,
1556 qla2x00_allow_cna_fw_dump_show,
1557 qla2x00_allow_cna_fw_dump_store);
1558 static DEVICE_ATTR(pep_version, S_IRUGO, qla2x00_pep_version_show, NULL);
1559
1560 struct device_attribute *qla2x00_host_attrs[] = {
1561 &dev_attr_driver_version,
1562 &dev_attr_fw_version,
1563 &dev_attr_serial_num,
1564 &dev_attr_isp_name,
1565 &dev_attr_isp_id,
1566 &dev_attr_model_name,
1567 &dev_attr_model_desc,
1568 &dev_attr_pci_info,
1569 &dev_attr_link_state,
1570 &dev_attr_zio,
1571 &dev_attr_zio_timer,
1572 &dev_attr_beacon,
1573 &dev_attr_optrom_bios_version,
1574 &dev_attr_optrom_efi_version,
1575 &dev_attr_optrom_fcode_version,
1576 &dev_attr_optrom_fw_version,
1577 &dev_attr_84xx_fw_version,
1578 &dev_attr_total_isp_aborts,
1579 &dev_attr_mpi_version,
1580 &dev_attr_phy_version,
1581 &dev_attr_flash_block_size,
1582 &dev_attr_vlan_id,
1583 &dev_attr_vn_port_mac_address,
1584 &dev_attr_fabric_param,
1585 &dev_attr_fw_state,
1586 &dev_attr_optrom_gold_fw_version,
1587 &dev_attr_thermal_temp,
1588 &dev_attr_diag_requests,
1589 &dev_attr_diag_megabytes,
1590 &dev_attr_fw_dump_size,
1591 &dev_attr_allow_cna_fw_dump,
1592 &dev_attr_pep_version,
1593 NULL,
1594 };
1595
1596 /* Host attributes. */
1597
1598 static void
1599 qla2x00_get_host_port_id(struct Scsi_Host *shost)
1600 {
1601 scsi_qla_host_t *vha = shost_priv(shost);
1602
1603 fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
1604 vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
1605 }
1606
1607 static void
1608 qla2x00_get_host_speed(struct Scsi_Host *shost)
1609 {
1610 struct qla_hw_data *ha = ((struct scsi_qla_host *)
1611 (shost_priv(shost)))->hw;
1612 u32 speed = FC_PORTSPEED_UNKNOWN;
1613
1614 if (IS_QLAFX00(ha)) {
1615 qlafx00_get_host_speed(shost);
1616 return;
1617 }
1618
1619 switch (ha->link_data_rate) {
1620 case PORT_SPEED_1GB:
1621 speed = FC_PORTSPEED_1GBIT;
1622 break;
1623 case PORT_SPEED_2GB:
1624 speed = FC_PORTSPEED_2GBIT;
1625 break;
1626 case PORT_SPEED_4GB:
1627 speed = FC_PORTSPEED_4GBIT;
1628 break;
1629 case PORT_SPEED_8GB:
1630 speed = FC_PORTSPEED_8GBIT;
1631 break;
1632 case PORT_SPEED_10GB:
1633 speed = FC_PORTSPEED_10GBIT;
1634 break;
1635 case PORT_SPEED_16GB:
1636 speed = FC_PORTSPEED_16GBIT;
1637 break;
1638 case PORT_SPEED_32GB:
1639 speed = FC_PORTSPEED_32GBIT;
1640 break;
1641 }
1642 fc_host_speed(shost) = speed;
1643 }
1644
1645 static void
1646 qla2x00_get_host_port_type(struct Scsi_Host *shost)
1647 {
1648 scsi_qla_host_t *vha = shost_priv(shost);
1649 uint32_t port_type = FC_PORTTYPE_UNKNOWN;
1650
1651 if (vha->vp_idx) {
1652 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1653 return;
1654 }
1655 switch (vha->hw->current_topology) {
1656 case ISP_CFG_NL:
1657 port_type = FC_PORTTYPE_LPORT;
1658 break;
1659 case ISP_CFG_FL:
1660 port_type = FC_PORTTYPE_NLPORT;
1661 break;
1662 case ISP_CFG_N:
1663 port_type = FC_PORTTYPE_PTP;
1664 break;
1665 case ISP_CFG_F:
1666 port_type = FC_PORTTYPE_NPORT;
1667 break;
1668 }
1669 fc_host_port_type(shost) = port_type;
1670 }
1671
1672 static void
1673 qla2x00_get_starget_node_name(struct scsi_target *starget)
1674 {
1675 struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1676 scsi_qla_host_t *vha = shost_priv(host);
1677 fc_port_t *fcport;
1678 u64 node_name = 0;
1679
1680 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1681 if (fcport->rport &&
1682 starget->id == fcport->rport->scsi_target_id) {
1683 node_name = wwn_to_u64(fcport->node_name);
1684 break;
1685 }
1686 }
1687
1688 fc_starget_node_name(starget) = node_name;
1689 }
1690
1691 static void
1692 qla2x00_get_starget_port_name(struct scsi_target *starget)
1693 {
1694 struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1695 scsi_qla_host_t *vha = shost_priv(host);
1696 fc_port_t *fcport;
1697 u64 port_name = 0;
1698
1699 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1700 if (fcport->rport &&
1701 starget->id == fcport->rport->scsi_target_id) {
1702 port_name = wwn_to_u64(fcport->port_name);
1703 break;
1704 }
1705 }
1706
1707 fc_starget_port_name(starget) = port_name;
1708 }
1709
1710 static void
1711 qla2x00_get_starget_port_id(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 uint32_t port_id = ~0U;
1717
1718 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1719 if (fcport->rport &&
1720 starget->id == fcport->rport->scsi_target_id) {
1721 port_id = fcport->d_id.b.domain << 16 |
1722 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
1723 break;
1724 }
1725 }
1726
1727 fc_starget_port_id(starget) = port_id;
1728 }
1729
1730 static void
1731 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1732 {
1733 if (timeout)
1734 rport->dev_loss_tmo = timeout;
1735 else
1736 rport->dev_loss_tmo = 1;
1737 }
1738
1739 static void
1740 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
1741 {
1742 struct Scsi_Host *host = rport_to_shost(rport);
1743 fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1744 unsigned long flags;
1745
1746 if (!fcport)
1747 return;
1748
1749 /* Now that the rport has been deleted, set the fcport state to
1750 FCS_DEVICE_DEAD */
1751 qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
1752
1753 /*
1754 * Transport has effectively 'deleted' the rport, clear
1755 * all local references.
1756 */
1757 spin_lock_irqsave(host->host_lock, flags);
1758 fcport->rport = fcport->drport = NULL;
1759 *((fc_port_t **)rport->dd_data) = NULL;
1760 spin_unlock_irqrestore(host->host_lock, flags);
1761
1762 if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1763 return;
1764
1765 if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1766 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1767 return;
1768 }
1769 }
1770
1771 static void
1772 qla2x00_terminate_rport_io(struct fc_rport *rport)
1773 {
1774 fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1775
1776 if (!fcport)
1777 return;
1778
1779 if (test_bit(UNLOADING, &fcport->vha->dpc_flags))
1780 return;
1781
1782 if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1783 return;
1784
1785 if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1786 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1787 return;
1788 }
1789 /*
1790 * At this point all fcport's software-states are cleared. Perform any
1791 * final cleanup of firmware resources (PCBs and XCBs).
1792 */
1793 if (fcport->loop_id != FC_NO_LOOP_ID) {
1794 if (IS_FWI2_CAPABLE(fcport->vha->hw))
1795 fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
1796 fcport->loop_id, fcport->d_id.b.domain,
1797 fcport->d_id.b.area, fcport->d_id.b.al_pa);
1798 else
1799 qla2x00_port_logout(fcport->vha, fcport);
1800 }
1801 }
1802
1803 static int
1804 qla2x00_issue_lip(struct Scsi_Host *shost)
1805 {
1806 scsi_qla_host_t *vha = shost_priv(shost);
1807
1808 if (IS_QLAFX00(vha->hw))
1809 return 0;
1810
1811 qla2x00_loop_reset(vha);
1812 return 0;
1813 }
1814
1815 static struct fc_host_statistics *
1816 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1817 {
1818 scsi_qla_host_t *vha = shost_priv(shost);
1819 struct qla_hw_data *ha = vha->hw;
1820 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1821 int rval;
1822 struct link_statistics *stats;
1823 dma_addr_t stats_dma;
1824 struct fc_host_statistics *p = &vha->fc_host_stat;
1825
1826 memset(p, -1, sizeof(*p));
1827
1828 if (IS_QLAFX00(vha->hw))
1829 goto done;
1830
1831 if (test_bit(UNLOADING, &vha->dpc_flags))
1832 goto done;
1833
1834 if (unlikely(pci_channel_offline(ha->pdev)))
1835 goto done;
1836
1837 if (qla2x00_reset_active(vha))
1838 goto done;
1839
1840 stats = dma_alloc_coherent(&ha->pdev->dev,
1841 sizeof(*stats), &stats_dma, GFP_KERNEL);
1842 if (!stats) {
1843 ql_log(ql_log_warn, vha, 0x707d,
1844 "Failed to allocate memory for stats.\n");
1845 goto done;
1846 }
1847 memset(stats, 0, sizeof(*stats));
1848
1849 rval = QLA_FUNCTION_FAILED;
1850 if (IS_FWI2_CAPABLE(ha)) {
1851 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, 0);
1852 } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
1853 !ha->dpc_active) {
1854 /* Must be in a 'READY' state for statistics retrieval. */
1855 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
1856 stats, stats_dma);
1857 }
1858
1859 if (rval != QLA_SUCCESS)
1860 goto done_free;
1861
1862 p->link_failure_count = stats->link_fail_cnt;
1863 p->loss_of_sync_count = stats->loss_sync_cnt;
1864 p->loss_of_signal_count = stats->loss_sig_cnt;
1865 p->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
1866 p->invalid_tx_word_count = stats->inval_xmit_word_cnt;
1867 p->invalid_crc_count = stats->inval_crc_cnt;
1868 if (IS_FWI2_CAPABLE(ha)) {
1869 p->lip_count = stats->lip_cnt;
1870 p->tx_frames = stats->tx_frames;
1871 p->rx_frames = stats->rx_frames;
1872 p->dumped_frames = stats->discarded_frames;
1873 p->nos_count = stats->nos_rcvd;
1874 p->error_frames =
1875 stats->dropped_frames + stats->discarded_frames;
1876 p->rx_words = vha->qla_stats.input_bytes;
1877 p->tx_words = vha->qla_stats.output_bytes;
1878 }
1879 p->fcp_control_requests = vha->qla_stats.control_requests;
1880 p->fcp_input_requests = vha->qla_stats.input_requests;
1881 p->fcp_output_requests = vha->qla_stats.output_requests;
1882 p->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
1883 p->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
1884 p->seconds_since_last_reset =
1885 get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
1886 do_div(p->seconds_since_last_reset, HZ);
1887
1888 done_free:
1889 dma_free_coherent(&ha->pdev->dev, sizeof(struct link_statistics),
1890 stats, stats_dma);
1891 done:
1892 return p;
1893 }
1894
1895 static void
1896 qla2x00_reset_host_stats(struct Scsi_Host *shost)
1897 {
1898 scsi_qla_host_t *vha = shost_priv(shost);
1899 struct qla_hw_data *ha = vha->hw;
1900 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1901 struct link_statistics *stats;
1902 dma_addr_t stats_dma;
1903
1904 memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
1905 memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
1906
1907 vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
1908
1909 if (IS_FWI2_CAPABLE(ha)) {
1910 stats = dma_alloc_coherent(&ha->pdev->dev,
1911 sizeof(*stats), &stats_dma, GFP_KERNEL);
1912 if (!stats) {
1913 ql_log(ql_log_warn, vha, 0x70d7,
1914 "Failed to allocate memory for stats.\n");
1915 return;
1916 }
1917
1918 /* reset firmware statistics */
1919 qla24xx_get_isp_stats(base_vha, stats, stats_dma, BIT_0);
1920
1921 dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
1922 stats, stats_dma);
1923 }
1924 }
1925
1926 static void
1927 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
1928 {
1929 scsi_qla_host_t *vha = shost_priv(shost);
1930
1931 qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost),
1932 sizeof(fc_host_symbolic_name(shost)));
1933 }
1934
1935 static void
1936 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
1937 {
1938 scsi_qla_host_t *vha = shost_priv(shost);
1939
1940 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1941 }
1942
1943 static void
1944 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
1945 {
1946 scsi_qla_host_t *vha = shost_priv(shost);
1947 uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
1948 0xFF, 0xFF, 0xFF, 0xFF};
1949 u64 fabric_name = wwn_to_u64(node_name);
1950
1951 if (vha->device_flags & SWITCH_FOUND)
1952 fabric_name = wwn_to_u64(vha->fabric_node_name);
1953
1954 fc_host_fabric_name(shost) = fabric_name;
1955 }
1956
1957 static void
1958 qla2x00_get_host_port_state(struct Scsi_Host *shost)
1959 {
1960 scsi_qla_host_t *vha = shost_priv(shost);
1961 struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
1962
1963 if (!base_vha->flags.online) {
1964 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1965 return;
1966 }
1967
1968 switch (atomic_read(&base_vha->loop_state)) {
1969 case LOOP_UPDATE:
1970 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1971 break;
1972 case LOOP_DOWN:
1973 if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
1974 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1975 else
1976 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1977 break;
1978 case LOOP_DEAD:
1979 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1980 break;
1981 case LOOP_READY:
1982 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1983 break;
1984 default:
1985 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1986 break;
1987 }
1988 }
1989
1990 static int
1991 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
1992 {
1993 int ret = 0;
1994 uint8_t qos = 0;
1995 scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
1996 scsi_qla_host_t *vha = NULL;
1997 struct qla_hw_data *ha = base_vha->hw;
1998 int cnt;
1999 struct req_que *req = ha->req_q_map[0];
2000 struct qla_qpair *qpair;
2001
2002 ret = qla24xx_vport_create_req_sanity_check(fc_vport);
2003 if (ret) {
2004 ql_log(ql_log_warn, vha, 0x707e,
2005 "Vport sanity check failed, status %x\n", ret);
2006 return (ret);
2007 }
2008
2009 vha = qla24xx_create_vhost(fc_vport);
2010 if (vha == NULL) {
2011 ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
2012 return FC_VPORT_FAILED;
2013 }
2014 if (disable) {
2015 atomic_set(&vha->vp_state, VP_OFFLINE);
2016 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
2017 } else
2018 atomic_set(&vha->vp_state, VP_FAILED);
2019
2020 /* ready to create vport */
2021 ql_log(ql_log_info, vha, 0x7080,
2022 "VP entry id %d assigned.\n", vha->vp_idx);
2023
2024 /* initialized vport states */
2025 atomic_set(&vha->loop_state, LOOP_DOWN);
2026 vha->vp_err_state= VP_ERR_PORTDWN;
2027 vha->vp_prev_err_state= VP_ERR_UNKWN;
2028 /* Check if physical ha port is Up */
2029 if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
2030 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
2031 /* Don't retry or attempt login of this virtual port */
2032 ql_dbg(ql_dbg_user, vha, 0x7081,
2033 "Vport loop state is not UP.\n");
2034 atomic_set(&vha->loop_state, LOOP_DEAD);
2035 if (!disable)
2036 fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
2037 }
2038
2039 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2040 if (ha->fw_attributes & BIT_4) {
2041 int prot = 0, guard;
2042 vha->flags.difdix_supported = 1;
2043 ql_dbg(ql_dbg_user, vha, 0x7082,
2044 "Registered for DIF/DIX type 1 and 3 protection.\n");
2045 if (ql2xenabledif == 1)
2046 prot = SHOST_DIX_TYPE0_PROTECTION;
2047 scsi_host_set_prot(vha->host,
2048 prot | SHOST_DIF_TYPE1_PROTECTION
2049 | SHOST_DIF_TYPE2_PROTECTION
2050 | SHOST_DIF_TYPE3_PROTECTION
2051 | SHOST_DIX_TYPE1_PROTECTION
2052 | SHOST_DIX_TYPE2_PROTECTION
2053 | SHOST_DIX_TYPE3_PROTECTION);
2054
2055 guard = SHOST_DIX_GUARD_CRC;
2056
2057 if (IS_PI_IPGUARD_CAPABLE(ha) &&
2058 (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2059 guard |= SHOST_DIX_GUARD_IP;
2060
2061 scsi_host_set_guard(vha->host, guard);
2062 } else
2063 vha->flags.difdix_supported = 0;
2064 }
2065
2066 if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
2067 &ha->pdev->dev)) {
2068 ql_dbg(ql_dbg_user, vha, 0x7083,
2069 "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
2070 goto vport_create_failed_2;
2071 }
2072
2073 /* initialize attributes */
2074 fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2075 fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2076 fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2077 fc_host_supported_classes(vha->host) =
2078 fc_host_supported_classes(base_vha->host);
2079 fc_host_supported_speeds(vha->host) =
2080 fc_host_supported_speeds(base_vha->host);
2081
2082 qlt_vport_create(vha, ha);
2083 qla24xx_vport_disable(fc_vport, disable);
2084
2085 if (!ql2xmqsupport || !ha->npiv_info)
2086 goto vport_queue;
2087
2088 /* Create a request queue in QoS mode for the vport */
2089 for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
2090 if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
2091 && memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
2092 8) == 0) {
2093 qos = ha->npiv_info[cnt].q_qos;
2094 break;
2095 }
2096 }
2097
2098 if (qos) {
2099 qpair = qla2xxx_create_qpair(vha, qos, vha->vp_idx);
2100 if (!qpair)
2101 ql_log(ql_log_warn, vha, 0x7084,
2102 "Can't create qpair for VP[%d]\n",
2103 vha->vp_idx);
2104 else {
2105 ql_dbg(ql_dbg_multiq, vha, 0xc001,
2106 "Queue pair: %d Qos: %d) created for VP[%d]\n",
2107 qpair->id, qos, vha->vp_idx);
2108 ql_dbg(ql_dbg_user, vha, 0x7085,
2109 "Queue Pair: %d Qos: %d) created for VP[%d]\n",
2110 qpair->id, qos, vha->vp_idx);
2111 req = qpair->req;
2112 vha->qpair = qpair;
2113 }
2114 }
2115
2116 vport_queue:
2117 vha->req = req;
2118 return 0;
2119
2120 vport_create_failed_2:
2121 qla24xx_disable_vp(vha);
2122 qla24xx_deallocate_vp_id(vha);
2123 scsi_host_put(vha->host);
2124 return FC_VPORT_FAILED;
2125 }
2126
2127 static int
2128 qla24xx_vport_delete(struct fc_vport *fc_vport)
2129 {
2130 scsi_qla_host_t *vha = fc_vport->dd_data;
2131 struct qla_hw_data *ha = vha->hw;
2132 uint16_t id = vha->vp_idx;
2133
2134 while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
2135 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
2136 msleep(1000);
2137
2138 qla24xx_disable_vp(vha);
2139
2140 vha->flags.delete_progress = 1;
2141
2142 qlt_remove_target(ha, vha);
2143
2144 fc_remove_host(vha->host);
2145
2146 scsi_remove_host(vha->host);
2147
2148 /* Allow timer to run to drain queued items, when removing vp */
2149 qla24xx_deallocate_vp_id(vha);
2150
2151 if (vha->timer_active) {
2152 qla2x00_vp_stop_timer(vha);
2153 ql_dbg(ql_dbg_user, vha, 0x7086,
2154 "Timer for the VP[%d] has stopped\n", vha->vp_idx);
2155 }
2156
2157 BUG_ON(atomic_read(&vha->vref_count));
2158
2159 qla2x00_free_fcports(vha);
2160
2161 mutex_lock(&ha->vport_lock);
2162 ha->cur_vport_count--;
2163 clear_bit(vha->vp_idx, ha->vp_idx_map);
2164 mutex_unlock(&ha->vport_lock);
2165
2166 if (vha->qpair->vp_idx == vha->vp_idx) {
2167 if (qla2xxx_delete_qpair(vha, vha->qpair) != QLA_SUCCESS)
2168 ql_log(ql_log_warn, vha, 0x7087,
2169 "Queue Pair delete failed.\n");
2170 }
2171
2172 ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
2173 scsi_host_put(vha->host);
2174 return 0;
2175 }
2176
2177 static int
2178 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
2179 {
2180 scsi_qla_host_t *vha = fc_vport->dd_data;
2181
2182 if (disable)
2183 qla24xx_disable_vp(vha);
2184 else
2185 qla24xx_enable_vp(vha);
2186
2187 return 0;
2188 }
2189
2190 struct fc_function_template qla2xxx_transport_functions = {
2191
2192 .show_host_node_name = 1,
2193 .show_host_port_name = 1,
2194 .show_host_supported_classes = 1,
2195 .show_host_supported_speeds = 1,
2196
2197 .get_host_port_id = qla2x00_get_host_port_id,
2198 .show_host_port_id = 1,
2199 .get_host_speed = qla2x00_get_host_speed,
2200 .show_host_speed = 1,
2201 .get_host_port_type = qla2x00_get_host_port_type,
2202 .show_host_port_type = 1,
2203 .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2204 .show_host_symbolic_name = 1,
2205 .set_host_system_hostname = qla2x00_set_host_system_hostname,
2206 .show_host_system_hostname = 1,
2207 .get_host_fabric_name = qla2x00_get_host_fabric_name,
2208 .show_host_fabric_name = 1,
2209 .get_host_port_state = qla2x00_get_host_port_state,
2210 .show_host_port_state = 1,
2211
2212 .dd_fcrport_size = sizeof(struct fc_port *),
2213 .show_rport_supported_classes = 1,
2214
2215 .get_starget_node_name = qla2x00_get_starget_node_name,
2216 .show_starget_node_name = 1,
2217 .get_starget_port_name = qla2x00_get_starget_port_name,
2218 .show_starget_port_name = 1,
2219 .get_starget_port_id = qla2x00_get_starget_port_id,
2220 .show_starget_port_id = 1,
2221
2222 .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2223 .show_rport_dev_loss_tmo = 1,
2224
2225 .issue_fc_host_lip = qla2x00_issue_lip,
2226 .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2227 .terminate_rport_io = qla2x00_terminate_rport_io,
2228 .get_fc_host_stats = qla2x00_get_fc_host_stats,
2229 .reset_fc_host_stats = qla2x00_reset_host_stats,
2230
2231 .vport_create = qla24xx_vport_create,
2232 .vport_disable = qla24xx_vport_disable,
2233 .vport_delete = qla24xx_vport_delete,
2234 .bsg_request = qla24xx_bsg_request,
2235 .bsg_timeout = qla24xx_bsg_timeout,
2236 };
2237
2238 struct fc_function_template qla2xxx_transport_vport_functions = {
2239
2240 .show_host_node_name = 1,
2241 .show_host_port_name = 1,
2242 .show_host_supported_classes = 1,
2243
2244 .get_host_port_id = qla2x00_get_host_port_id,
2245 .show_host_port_id = 1,
2246 .get_host_speed = qla2x00_get_host_speed,
2247 .show_host_speed = 1,
2248 .get_host_port_type = qla2x00_get_host_port_type,
2249 .show_host_port_type = 1,
2250 .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2251 .show_host_symbolic_name = 1,
2252 .set_host_system_hostname = qla2x00_set_host_system_hostname,
2253 .show_host_system_hostname = 1,
2254 .get_host_fabric_name = qla2x00_get_host_fabric_name,
2255 .show_host_fabric_name = 1,
2256 .get_host_port_state = qla2x00_get_host_port_state,
2257 .show_host_port_state = 1,
2258
2259 .dd_fcrport_size = sizeof(struct fc_port *),
2260 .show_rport_supported_classes = 1,
2261
2262 .get_starget_node_name = qla2x00_get_starget_node_name,
2263 .show_starget_node_name = 1,
2264 .get_starget_port_name = qla2x00_get_starget_port_name,
2265 .show_starget_port_name = 1,
2266 .get_starget_port_id = qla2x00_get_starget_port_id,
2267 .show_starget_port_id = 1,
2268
2269 .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2270 .show_rport_dev_loss_tmo = 1,
2271
2272 .issue_fc_host_lip = qla2x00_issue_lip,
2273 .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2274 .terminate_rport_io = qla2x00_terminate_rport_io,
2275 .get_fc_host_stats = qla2x00_get_fc_host_stats,
2276 .reset_fc_host_stats = qla2x00_reset_host_stats,
2277
2278 .bsg_request = qla24xx_bsg_request,
2279 .bsg_timeout = qla24xx_bsg_timeout,
2280 };
2281
2282 void
2283 qla2x00_init_host_attr(scsi_qla_host_t *vha)
2284 {
2285 struct qla_hw_data *ha = vha->hw;
2286 u32 speed = FC_PORTSPEED_UNKNOWN;
2287
2288 fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2289 fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2290 fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2291 fc_host_supported_classes(vha->host) = ha->tgt.enable_class_2 ?
2292 (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
2293 fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
2294 fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
2295
2296 if (IS_CNA_CAPABLE(ha))
2297 speed = FC_PORTSPEED_10GBIT;
2298 else if (IS_QLA2031(ha))
2299 speed = FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
2300 FC_PORTSPEED_4GBIT;
2301 else if (IS_QLA25XX(ha))
2302 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2303 FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2304 else if (IS_QLA24XX_TYPE(ha))
2305 speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
2306 FC_PORTSPEED_1GBIT;
2307 else if (IS_QLA23XX(ha))
2308 speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2309 else if (IS_QLAFX00(ha))
2310 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2311 FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2312 else if (IS_QLA27XX(ha))
2313 speed = FC_PORTSPEED_32GBIT | FC_PORTSPEED_16GBIT |
2314 FC_PORTSPEED_8GBIT;
2315 else
2316 speed = FC_PORTSPEED_1GBIT;
2317 fc_host_supported_speeds(vha->host) = speed;
2318 }
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