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x86/mm: Add TLB purge to free pmd/pte page interfaces
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_attr.c
blob9a34afcb1c4c6d0142b6b741a673e3000bd34c22
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 if (size > ha->optrom_size - start)
322 size = ha->optrom_size - start;
323
324 mutex_lock(&ha->optrom_mutex);
325 switch (val) {
326 case 0:
327 if (ha->optrom_state != QLA_SREADING &&
328 ha->optrom_state != QLA_SWRITING) {
329 rval = -EINVAL;
330 goto out;
331 }
332 ha->optrom_state = QLA_SWAITING;
333
334 ql_dbg(ql_dbg_user, vha, 0x7061,
335 "Freeing flash region allocation -- 0x%x bytes.\n",
336 ha->optrom_region_size);
337
338 vfree(ha->optrom_buffer);
339 ha->optrom_buffer = NULL;
340 break;
341 case 1:
342 if (ha->optrom_state != QLA_SWAITING) {
343 rval = -EINVAL;
344 goto out;
345 }
346
347 ha->optrom_region_start = start;
348 ha->optrom_region_size = start + size;
349
350 ha->optrom_state = QLA_SREADING;
351 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
352 if (ha->optrom_buffer == NULL) {
353 ql_log(ql_log_warn, vha, 0x7062,
354 "Unable to allocate memory for optrom retrieval "
355 "(%x).\n", ha->optrom_region_size);
356
357 ha->optrom_state = QLA_SWAITING;
358 rval = -ENOMEM;
359 goto out;
360 }
361
362 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
363 ql_log(ql_log_warn, vha, 0x7063,
364 "HBA not online, failing NVRAM update.\n");
365 rval = -EAGAIN;
366 goto out;
367 }
368
369 ql_dbg(ql_dbg_user, vha, 0x7064,
370 "Reading flash region -- 0x%x/0x%x.\n",
371 ha->optrom_region_start, ha->optrom_region_size);
372
373 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
374 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
375 ha->optrom_region_start, ha->optrom_region_size);
376 break;
377 case 2:
378 if (ha->optrom_state != QLA_SWAITING) {
379 rval = -EINVAL;
380 goto out;
381 }
382
383 /*
384 * We need to be more restrictive on which FLASH regions are
385 * allowed to be updated via user-space. Regions accessible
386 * via this method include:
387 *
388 * ISP21xx/ISP22xx/ISP23xx type boards:
389 *
390 * 0x000000 -> 0x020000 -- Boot code.
391 *
392 * ISP2322/ISP24xx type boards:
393 *
394 * 0x000000 -> 0x07ffff -- Boot code.
395 * 0x080000 -> 0x0fffff -- Firmware.
396 *
397 * ISP25xx type boards:
398 *
399 * 0x000000 -> 0x07ffff -- Boot code.
400 * 0x080000 -> 0x0fffff -- Firmware.
401 * 0x120000 -> 0x12ffff -- VPD and HBA parameters.
402 */
403 valid = 0;
404 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
405 valid = 1;
406 else if (start == (ha->flt_region_boot * 4) ||
407 start == (ha->flt_region_fw * 4))
408 valid = 1;
409 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)
410 || IS_CNA_CAPABLE(ha) || IS_QLA2031(ha)
411 || IS_QLA27XX(ha))
412 valid = 1;
413 if (!valid) {
414 ql_log(ql_log_warn, vha, 0x7065,
415 "Invalid start region 0x%x/0x%x.\n", start, size);
416 rval = -EINVAL;
417 goto out;
418 }
419
420 ha->optrom_region_start = start;
421 ha->optrom_region_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 int rval = 0;
765 port_id_t did;
766
767 type = simple_strtol(buf, NULL, 10);
768
769 did.b.domain = (type & 0x00ff0000) >> 16;
770 did.b.area = (type & 0x0000ff00) >> 8;
771 did.b.al_pa = (type & 0x000000ff);
772
773 ql_log(ql_log_info, vha, 0x70e3, "portid=%02x%02x%02x done\n",
774 did.b.domain, did.b.area, did.b.al_pa);
775
776 ql_log(ql_log_info, vha, 0x70e4, "%s: %d\n", __func__, type);
777
778 rval = qla24xx_els_dcmd_iocb(vha, ELS_DCMD_LOGO, did);
779 return count;
780 }
781
782 static struct bin_attribute sysfs_issue_logo_attr = {
783 .attr = {
784 .name = "issue_logo",
785 .mode = S_IWUSR,
786 },
787 .size = 0,
788 .write = qla2x00_issue_logo,
789 };
790
791 static ssize_t
792 qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
793 struct bin_attribute *bin_attr,
794 char *buf, loff_t off, size_t count)
795 {
796 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
797 struct device, kobj)));
798 struct qla_hw_data *ha = vha->hw;
799 int rval;
800 uint16_t actual_size;
801
802 if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
803 return 0;
804
805 if (ha->xgmac_data)
806 goto do_read;
807
808 ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
809 &ha->xgmac_data_dma, GFP_KERNEL);
810 if (!ha->xgmac_data) {
811 ql_log(ql_log_warn, vha, 0x7076,
812 "Unable to allocate memory for XGMAC read-data.\n");
813 return 0;
814 }
815
816 do_read:
817 actual_size = 0;
818 memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
819
820 rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
821 XGMAC_DATA_SIZE, &actual_size);
822 if (rval != QLA_SUCCESS) {
823 ql_log(ql_log_warn, vha, 0x7077,
824 "Unable to read XGMAC data (%x).\n", rval);
825 count = 0;
826 }
827
828 count = actual_size > count ? count: actual_size;
829 memcpy(buf, ha->xgmac_data, count);
830
831 return count;
832 }
833
834 static struct bin_attribute sysfs_xgmac_stats_attr = {
835 .attr = {
836 .name = "xgmac_stats",
837 .mode = S_IRUSR,
838 },
839 .size = 0,
840 .read = qla2x00_sysfs_read_xgmac_stats,
841 };
842
843 static ssize_t
844 qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
845 struct bin_attribute *bin_attr,
846 char *buf, loff_t off, size_t count)
847 {
848 struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
849 struct device, kobj)));
850 struct qla_hw_data *ha = vha->hw;
851 int rval;
852
853 if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
854 return 0;
855
856 if (ha->dcbx_tlv)
857 goto do_read;
858
859 ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
860 &ha->dcbx_tlv_dma, GFP_KERNEL);
861 if (!ha->dcbx_tlv) {
862 ql_log(ql_log_warn, vha, 0x7078,
863 "Unable to allocate memory for DCBX TLV read-data.\n");
864 return -ENOMEM;
865 }
866
867 do_read:
868 memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
869
870 rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
871 DCBX_TLV_DATA_SIZE);
872 if (rval != QLA_SUCCESS) {
873 ql_log(ql_log_warn, vha, 0x7079,
874 "Unable to read DCBX TLV (%x).\n", rval);
875 return -EIO;
876 }
877
878 memcpy(buf, ha->dcbx_tlv, count);
879
880 return count;
881 }
882
883 static struct bin_attribute sysfs_dcbx_tlv_attr = {
884 .attr = {
885 .name = "dcbx_tlv",
886 .mode = S_IRUSR,
887 },
888 .size = 0,
889 .read = qla2x00_sysfs_read_dcbx_tlv,
890 };
891
892 static struct sysfs_entry {
893 char *name;
894 struct bin_attribute *attr;
895 int is4GBp_only;
896 } bin_file_entries[] = {
897 { "fw_dump", &sysfs_fw_dump_attr, },
898 { "nvram", &sysfs_nvram_attr, },
899 { "optrom", &sysfs_optrom_attr, },
900 { "optrom_ctl", &sysfs_optrom_ctl_attr, },
901 { "vpd", &sysfs_vpd_attr, 1 },
902 { "sfp", &sysfs_sfp_attr, 1 },
903 { "reset", &sysfs_reset_attr, },
904 { "issue_logo", &sysfs_issue_logo_attr, },
905 { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
906 { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
907 { NULL },
908 };
909
910 void
911 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
912 {
913 struct Scsi_Host *host = vha->host;
914 struct sysfs_entry *iter;
915 int ret;
916
917 for (iter = bin_file_entries; iter->name; iter++) {
918 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
919 continue;
920 if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
921 continue;
922 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
923 continue;
924
925 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
926 iter->attr);
927 if (ret)
928 ql_log(ql_log_warn, vha, 0x00f3,
929 "Unable to create sysfs %s binary attribute (%d).\n",
930 iter->name, ret);
931 else
932 ql_dbg(ql_dbg_init, vha, 0x00f4,
933 "Successfully created sysfs %s binary attribure.\n",
934 iter->name);
935 }
936 }
937
938 void
939 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
940 {
941 struct Scsi_Host *host = vha->host;
942 struct sysfs_entry *iter;
943 struct qla_hw_data *ha = vha->hw;
944
945 for (iter = bin_file_entries; iter->name; iter++) {
946 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
947 continue;
948 if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
949 continue;
950 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
951 continue;
952 if (iter->is4GBp_only == 0x27 && !IS_QLA27XX(vha->hw))
953 continue;
954
955 sysfs_remove_bin_file(&host->shost_gendev.kobj,
956 iter->attr);
957 }
958
959 if (stop_beacon && ha->beacon_blink_led == 1)
960 ha->isp_ops->beacon_off(vha);
961 }
962
963 /* Scsi_Host attributes. */
964
965 static ssize_t
966 qla2x00_drvr_version_show(struct device *dev,
967 struct device_attribute *attr, char *buf)
968 {
969 return scnprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
970 }
971
972 static ssize_t
973 qla2x00_fw_version_show(struct device *dev,
974 struct device_attribute *attr, char *buf)
975 {
976 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
977 struct qla_hw_data *ha = vha->hw;
978 char fw_str[128];
979
980 return scnprintf(buf, PAGE_SIZE, "%s\n",
981 ha->isp_ops->fw_version_str(vha, fw_str, sizeof(fw_str)));
982 }
983
984 static ssize_t
985 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
986 char *buf)
987 {
988 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
989 struct qla_hw_data *ha = vha->hw;
990 uint32_t sn;
991
992 if (IS_QLAFX00(vha->hw)) {
993 return scnprintf(buf, PAGE_SIZE, "%s\n",
994 vha->hw->mr.serial_num);
995 } else if (IS_FWI2_CAPABLE(ha)) {
996 qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1);
997 return strlen(strcat(buf, "\n"));
998 }
999
1000 sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1001 return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
1002 sn % 100000);
1003 }
1004
1005 static ssize_t
1006 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
1007 char *buf)
1008 {
1009 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1010 return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
1011 }
1012
1013 static ssize_t
1014 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
1015 char *buf)
1016 {
1017 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1018 struct qla_hw_data *ha = vha->hw;
1019
1020 if (IS_QLAFX00(vha->hw))
1021 return scnprintf(buf, PAGE_SIZE, "%s\n",
1022 vha->hw->mr.hw_version);
1023
1024 return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
1025 ha->product_id[0], ha->product_id[1], ha->product_id[2],
1026 ha->product_id[3]);
1027 }
1028
1029 static ssize_t
1030 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
1031 char *buf)
1032 {
1033 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1034
1035 return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
1036 }
1037
1038 static ssize_t
1039 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
1040 char *buf)
1041 {
1042 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1043 return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_desc);
1044 }
1045
1046 static ssize_t
1047 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
1048 char *buf)
1049 {
1050 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1051 char pci_info[30];
1052
1053 return scnprintf(buf, PAGE_SIZE, "%s\n",
1054 vha->hw->isp_ops->pci_info_str(vha, pci_info));
1055 }
1056
1057 static ssize_t
1058 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
1059 char *buf)
1060 {
1061 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1062 struct qla_hw_data *ha = vha->hw;
1063 int len = 0;
1064
1065 if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
1066 atomic_read(&vha->loop_state) == LOOP_DEAD ||
1067 vha->device_flags & DFLG_NO_CABLE)
1068 len = scnprintf(buf, PAGE_SIZE, "Link Down\n");
1069 else if (atomic_read(&vha->loop_state) != LOOP_READY ||
1070 qla2x00_reset_active(vha))
1071 len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n");
1072 else {
1073 len = scnprintf(buf, PAGE_SIZE, "Link Up - ");
1074
1075 switch (ha->current_topology) {
1076 case ISP_CFG_NL:
1077 len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1078 break;
1079 case ISP_CFG_FL:
1080 len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
1081 break;
1082 case ISP_CFG_N:
1083 len += scnprintf(buf + len, PAGE_SIZE-len,
1084 "N_Port to N_Port\n");
1085 break;
1086 case ISP_CFG_F:
1087 len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
1088 break;
1089 default:
1090 len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1091 break;
1092 }
1093 }
1094 return len;
1095 }
1096
1097 static ssize_t
1098 qla2x00_zio_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 int len = 0;
1103
1104 switch (vha->hw->zio_mode) {
1105 case QLA_ZIO_MODE_6:
1106 len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1107 break;
1108 case QLA_ZIO_DISABLED:
1109 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1110 break;
1111 }
1112 return len;
1113 }
1114
1115 static ssize_t
1116 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1117 const char *buf, size_t count)
1118 {
1119 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1120 struct qla_hw_data *ha = vha->hw;
1121 int val = 0;
1122 uint16_t zio_mode;
1123
1124 if (!IS_ZIO_SUPPORTED(ha))
1125 return -ENOTSUPP;
1126
1127 if (sscanf(buf, "%d", &val) != 1)
1128 return -EINVAL;
1129
1130 if (val)
1131 zio_mode = QLA_ZIO_MODE_6;
1132 else
1133 zio_mode = QLA_ZIO_DISABLED;
1134
1135 /* Update per-hba values and queue a reset. */
1136 if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1137 ha->zio_mode = zio_mode;
1138 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1139 }
1140 return strlen(buf);
1141 }
1142
1143 static ssize_t
1144 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1145 char *buf)
1146 {
1147 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1148
1149 return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1150 }
1151
1152 static ssize_t
1153 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1154 const char *buf, size_t count)
1155 {
1156 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1157 int val = 0;
1158 uint16_t zio_timer;
1159
1160 if (sscanf(buf, "%d", &val) != 1)
1161 return -EINVAL;
1162 if (val > 25500 || val < 100)
1163 return -ERANGE;
1164
1165 zio_timer = (uint16_t)(val / 100);
1166 vha->hw->zio_timer = zio_timer;
1167
1168 return strlen(buf);
1169 }
1170
1171 static ssize_t
1172 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1173 char *buf)
1174 {
1175 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1176 int len = 0;
1177
1178 if (vha->hw->beacon_blink_led)
1179 len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1180 else
1181 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1182 return len;
1183 }
1184
1185 static ssize_t
1186 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1187 const char *buf, size_t count)
1188 {
1189 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1190 struct qla_hw_data *ha = vha->hw;
1191 int val = 0;
1192 int rval;
1193
1194 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1195 return -EPERM;
1196
1197 if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
1198 ql_log(ql_log_warn, vha, 0x707a,
1199 "Abort ISP active -- ignoring beacon request.\n");
1200 return -EBUSY;
1201 }
1202
1203 if (sscanf(buf, "%d", &val) != 1)
1204 return -EINVAL;
1205
1206 if (val)
1207 rval = ha->isp_ops->beacon_on(vha);
1208 else
1209 rval = ha->isp_ops->beacon_off(vha);
1210
1211 if (rval != QLA_SUCCESS)
1212 count = 0;
1213
1214 return count;
1215 }
1216
1217 static ssize_t
1218 qla2x00_optrom_bios_version_show(struct device *dev,
1219 struct device_attribute *attr, char *buf)
1220 {
1221 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1222 struct qla_hw_data *ha = vha->hw;
1223 return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1224 ha->bios_revision[0]);
1225 }
1226
1227 static ssize_t
1228 qla2x00_optrom_efi_version_show(struct device *dev,
1229 struct device_attribute *attr, char *buf)
1230 {
1231 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1232 struct qla_hw_data *ha = vha->hw;
1233 return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1234 ha->efi_revision[0]);
1235 }
1236
1237 static ssize_t
1238 qla2x00_optrom_fcode_version_show(struct device *dev,
1239 struct device_attribute *attr, char *buf)
1240 {
1241 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1242 struct qla_hw_data *ha = vha->hw;
1243 return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1244 ha->fcode_revision[0]);
1245 }
1246
1247 static ssize_t
1248 qla2x00_optrom_fw_version_show(struct device *dev,
1249 struct device_attribute *attr, char *buf)
1250 {
1251 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1252 struct qla_hw_data *ha = vha->hw;
1253 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1254 ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1255 ha->fw_revision[3]);
1256 }
1257
1258 static ssize_t
1259 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1260 struct device_attribute *attr, char *buf)
1261 {
1262 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1263 struct qla_hw_data *ha = vha->hw;
1264
1265 if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha) && !IS_QLA27XX(ha))
1266 return scnprintf(buf, PAGE_SIZE, "\n");
1267
1268 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1269 ha->gold_fw_version[0], ha->gold_fw_version[1],
1270 ha->gold_fw_version[2], ha->gold_fw_version[3]);
1271 }
1272
1273 static ssize_t
1274 qla2x00_total_isp_aborts_show(struct device *dev,
1275 struct device_attribute *attr, char *buf)
1276 {
1277 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1278 return scnprintf(buf, PAGE_SIZE, "%d\n",
1279 vha->qla_stats.total_isp_aborts);
1280 }
1281
1282 static ssize_t
1283 qla24xx_84xx_fw_version_show(struct device *dev,
1284 struct device_attribute *attr, char *buf)
1285 {
1286 int rval = QLA_SUCCESS;
1287 uint16_t status[2] = {0, 0};
1288 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1289 struct qla_hw_data *ha = vha->hw;
1290
1291 if (!IS_QLA84XX(ha))
1292 return scnprintf(buf, PAGE_SIZE, "\n");
1293
1294 if (ha->cs84xx->op_fw_version == 0)
1295 rval = qla84xx_verify_chip(vha, status);
1296
1297 if ((rval == QLA_SUCCESS) && (status[0] == 0))
1298 return scnprintf(buf, PAGE_SIZE, "%u\n",
1299 (uint32_t)ha->cs84xx->op_fw_version);
1300
1301 return scnprintf(buf, PAGE_SIZE, "\n");
1302 }
1303
1304 static ssize_t
1305 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1306 char *buf)
1307 {
1308 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1309 struct qla_hw_data *ha = vha->hw;
1310
1311 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha) &&
1312 !IS_QLA27XX(ha))
1313 return scnprintf(buf, PAGE_SIZE, "\n");
1314
1315 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1316 ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1317 ha->mpi_capabilities);
1318 }
1319
1320 static ssize_t
1321 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1322 char *buf)
1323 {
1324 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1325 struct qla_hw_data *ha = vha->hw;
1326
1327 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1328 return scnprintf(buf, PAGE_SIZE, "\n");
1329
1330 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1331 ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1332 }
1333
1334 static ssize_t
1335 qla2x00_flash_block_size_show(struct device *dev,
1336 struct device_attribute *attr, char *buf)
1337 {
1338 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1339 struct qla_hw_data *ha = vha->hw;
1340
1341 return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1342 }
1343
1344 static ssize_t
1345 qla2x00_vlan_id_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
1350 if (!IS_CNA_CAPABLE(vha->hw))
1351 return scnprintf(buf, PAGE_SIZE, "\n");
1352
1353 return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1354 }
1355
1356 static ssize_t
1357 qla2x00_vn_port_mac_address_show(struct device *dev,
1358 struct device_attribute *attr, char *buf)
1359 {
1360 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1361
1362 if (!IS_CNA_CAPABLE(vha->hw))
1363 return scnprintf(buf, PAGE_SIZE, "\n");
1364
1365 return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
1366 }
1367
1368 static ssize_t
1369 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1370 char *buf)
1371 {
1372 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1373
1374 return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1375 }
1376
1377 static ssize_t
1378 qla2x00_thermal_temp_show(struct device *dev,
1379 struct device_attribute *attr, char *buf)
1380 {
1381 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1382 uint16_t temp = 0;
1383
1384 if (qla2x00_reset_active(vha)) {
1385 ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1386 goto done;
1387 }
1388
1389 if (vha->hw->flags.eeh_busy) {
1390 ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1391 goto done;
1392 }
1393
1394 if (qla2x00_get_thermal_temp(vha, &temp) == QLA_SUCCESS)
1395 return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
1396
1397 done:
1398 return scnprintf(buf, PAGE_SIZE, "\n");
1399 }
1400
1401 static ssize_t
1402 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1403 char *buf)
1404 {
1405 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1406 int rval = QLA_FUNCTION_FAILED;
1407 uint16_t state[6];
1408 uint32_t pstate;
1409
1410 if (IS_QLAFX00(vha->hw)) {
1411 pstate = qlafx00_fw_state_show(dev, attr, buf);
1412 return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1413 }
1414
1415 if (qla2x00_reset_active(vha))
1416 ql_log(ql_log_warn, vha, 0x707c,
1417 "ISP reset active.\n");
1418 else if (!vha->hw->flags.eeh_busy)
1419 rval = qla2x00_get_firmware_state(vha, state);
1420 if (rval != QLA_SUCCESS)
1421 memset(state, -1, sizeof(state));
1422
1423 return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1424 state[0], state[1], state[2], state[3], state[4], state[5]);
1425 }
1426
1427 static ssize_t
1428 qla2x00_diag_requests_show(struct device *dev,
1429 struct device_attribute *attr, char *buf)
1430 {
1431 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1432
1433 if (!IS_BIDI_CAPABLE(vha->hw))
1434 return scnprintf(buf, PAGE_SIZE, "\n");
1435
1436 return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1437 }
1438
1439 static ssize_t
1440 qla2x00_diag_megabytes_show(struct device *dev,
1441 struct device_attribute *attr, char *buf)
1442 {
1443 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1444
1445 if (!IS_BIDI_CAPABLE(vha->hw))
1446 return scnprintf(buf, PAGE_SIZE, "\n");
1447
1448 return scnprintf(buf, PAGE_SIZE, "%llu\n",
1449 vha->bidi_stats.transfer_bytes >> 20);
1450 }
1451
1452 static ssize_t
1453 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1454 char *buf)
1455 {
1456 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1457 struct qla_hw_data *ha = vha->hw;
1458 uint32_t size;
1459
1460 if (!ha->fw_dumped)
1461 size = 0;
1462 else if (IS_P3P_TYPE(ha))
1463 size = ha->md_template_size + ha->md_dump_size;
1464 else
1465 size = ha->fw_dump_len;
1466
1467 return scnprintf(buf, PAGE_SIZE, "%d\n", size);
1468 }
1469
1470 static ssize_t
1471 qla2x00_allow_cna_fw_dump_show(struct device *dev,
1472 struct device_attribute *attr, char *buf)
1473 {
1474 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1475
1476 if (!IS_P3P_TYPE(vha->hw))
1477 return scnprintf(buf, PAGE_SIZE, "\n");
1478 else
1479 return scnprintf(buf, PAGE_SIZE, "%s\n",
1480 vha->hw->allow_cna_fw_dump ? "true" : "false");
1481 }
1482
1483 static ssize_t
1484 qla2x00_allow_cna_fw_dump_store(struct device *dev,
1485 struct device_attribute *attr, const char *buf, size_t count)
1486 {
1487 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1488 int val = 0;
1489
1490 if (!IS_P3P_TYPE(vha->hw))
1491 return -EINVAL;
1492
1493 if (sscanf(buf, "%d", &val) != 1)
1494 return -EINVAL;
1495
1496 vha->hw->allow_cna_fw_dump = val != 0;
1497
1498 return strlen(buf);
1499 }
1500
1501 static ssize_t
1502 qla2x00_pep_version_show(struct device *dev, struct device_attribute *attr,
1503 char *buf)
1504 {
1505 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1506 struct qla_hw_data *ha = vha->hw;
1507
1508 if (!IS_QLA27XX(ha))
1509 return scnprintf(buf, PAGE_SIZE, "\n");
1510
1511 return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1512 ha->pep_version[0], ha->pep_version[1], ha->pep_version[2]);
1513 }
1514
1515 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
1516 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
1517 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
1518 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
1519 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
1520 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
1521 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
1522 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
1523 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
1524 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
1525 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
1526 qla2x00_zio_timer_store);
1527 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
1528 qla2x00_beacon_store);
1529 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
1530 qla2x00_optrom_bios_version_show, NULL);
1531 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
1532 qla2x00_optrom_efi_version_show, NULL);
1533 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
1534 qla2x00_optrom_fcode_version_show, NULL);
1535 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
1536 NULL);
1537 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
1538 qla2x00_optrom_gold_fw_version_show, NULL);
1539 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
1540 NULL);
1541 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
1542 NULL);
1543 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
1544 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
1545 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
1546 NULL);
1547 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
1548 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
1549 qla2x00_vn_port_mac_address_show, NULL);
1550 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
1551 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
1552 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
1553 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
1554 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
1555 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
1556 static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR,
1557 qla2x00_allow_cna_fw_dump_show,
1558 qla2x00_allow_cna_fw_dump_store);
1559 static DEVICE_ATTR(pep_version, S_IRUGO, qla2x00_pep_version_show, NULL);
1560
1561 struct device_attribute *qla2x00_host_attrs[] = {
1562 &dev_attr_driver_version,
1563 &dev_attr_fw_version,
1564 &dev_attr_serial_num,
1565 &dev_attr_isp_name,
1566 &dev_attr_isp_id,
1567 &dev_attr_model_name,
1568 &dev_attr_model_desc,
1569 &dev_attr_pci_info,
1570 &dev_attr_link_state,
1571 &dev_attr_zio,
1572 &dev_attr_zio_timer,
1573 &dev_attr_beacon,
1574 &dev_attr_optrom_bios_version,
1575 &dev_attr_optrom_efi_version,
1576 &dev_attr_optrom_fcode_version,
1577 &dev_attr_optrom_fw_version,
1578 &dev_attr_84xx_fw_version,
1579 &dev_attr_total_isp_aborts,
1580 &dev_attr_mpi_version,
1581 &dev_attr_phy_version,
1582 &dev_attr_flash_block_size,
1583 &dev_attr_vlan_id,
1584 &dev_attr_vn_port_mac_address,
1585 &dev_attr_fabric_param,
1586 &dev_attr_fw_state,
1587 &dev_attr_optrom_gold_fw_version,
1588 &dev_attr_thermal_temp,
1589 &dev_attr_diag_requests,
1590 &dev_attr_diag_megabytes,
1591 &dev_attr_fw_dump_size,
1592 &dev_attr_allow_cna_fw_dump,
1593 &dev_attr_pep_version,
1594 NULL,
1595 };
1596
1597 /* Host attributes. */
1598
1599 static void
1600 qla2x00_get_host_port_id(struct Scsi_Host *shost)
1601 {
1602 scsi_qla_host_t *vha = shost_priv(shost);
1603
1604 fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
1605 vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
1606 }
1607
1608 static void
1609 qla2x00_get_host_speed(struct Scsi_Host *shost)
1610 {
1611 struct qla_hw_data *ha = ((struct scsi_qla_host *)
1612 (shost_priv(shost)))->hw;
1613 u32 speed = FC_PORTSPEED_UNKNOWN;
1614
1615 if (IS_QLAFX00(ha)) {
1616 qlafx00_get_host_speed(shost);
1617 return;
1618 }
1619
1620 switch (ha->link_data_rate) {
1621 case PORT_SPEED_1GB:
1622 speed = FC_PORTSPEED_1GBIT;
1623 break;
1624 case PORT_SPEED_2GB:
1625 speed = FC_PORTSPEED_2GBIT;
1626 break;
1627 case PORT_SPEED_4GB:
1628 speed = FC_PORTSPEED_4GBIT;
1629 break;
1630 case PORT_SPEED_8GB:
1631 speed = FC_PORTSPEED_8GBIT;
1632 break;
1633 case PORT_SPEED_10GB:
1634 speed = FC_PORTSPEED_10GBIT;
1635 break;
1636 case PORT_SPEED_16GB:
1637 speed = FC_PORTSPEED_16GBIT;
1638 break;
1639 case PORT_SPEED_32GB:
1640 speed = FC_PORTSPEED_32GBIT;
1641 break;
1642 }
1643 fc_host_speed(shost) = speed;
1644 }
1645
1646 static void
1647 qla2x00_get_host_port_type(struct Scsi_Host *shost)
1648 {
1649 scsi_qla_host_t *vha = shost_priv(shost);
1650 uint32_t port_type = FC_PORTTYPE_UNKNOWN;
1651
1652 if (vha->vp_idx) {
1653 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1654 return;
1655 }
1656 switch (vha->hw->current_topology) {
1657 case ISP_CFG_NL:
1658 port_type = FC_PORTTYPE_LPORT;
1659 break;
1660 case ISP_CFG_FL:
1661 port_type = FC_PORTTYPE_NLPORT;
1662 break;
1663 case ISP_CFG_N:
1664 port_type = FC_PORTTYPE_PTP;
1665 break;
1666 case ISP_CFG_F:
1667 port_type = FC_PORTTYPE_NPORT;
1668 break;
1669 }
1670 fc_host_port_type(shost) = port_type;
1671 }
1672
1673 static void
1674 qla2x00_get_starget_node_name(struct scsi_target *starget)
1675 {
1676 struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1677 scsi_qla_host_t *vha = shost_priv(host);
1678 fc_port_t *fcport;
1679 u64 node_name = 0;
1680
1681 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1682 if (fcport->rport &&
1683 starget->id == fcport->rport->scsi_target_id) {
1684 node_name = wwn_to_u64(fcport->node_name);
1685 break;
1686 }
1687 }
1688
1689 fc_starget_node_name(starget) = node_name;
1690 }
1691
1692 static void
1693 qla2x00_get_starget_port_name(struct scsi_target *starget)
1694 {
1695 struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1696 scsi_qla_host_t *vha = shost_priv(host);
1697 fc_port_t *fcport;
1698 u64 port_name = 0;
1699
1700 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1701 if (fcport->rport &&
1702 starget->id == fcport->rport->scsi_target_id) {
1703 port_name = wwn_to_u64(fcport->port_name);
1704 break;
1705 }
1706 }
1707
1708 fc_starget_port_name(starget) = port_name;
1709 }
1710
1711 static void
1712 qla2x00_get_starget_port_id(struct scsi_target *starget)
1713 {
1714 struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1715 scsi_qla_host_t *vha = shost_priv(host);
1716 fc_port_t *fcport;
1717 uint32_t port_id = ~0U;
1718
1719 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1720 if (fcport->rport &&
1721 starget->id == fcport->rport->scsi_target_id) {
1722 port_id = fcport->d_id.b.domain << 16 |
1723 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
1724 break;
1725 }
1726 }
1727
1728 fc_starget_port_id(starget) = port_id;
1729 }
1730
1731 static void
1732 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1733 {
1734 if (timeout)
1735 rport->dev_loss_tmo = timeout;
1736 else
1737 rport->dev_loss_tmo = 1;
1738 }
1739
1740 static void
1741 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
1742 {
1743 struct Scsi_Host *host = rport_to_shost(rport);
1744 fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1745 unsigned long flags;
1746
1747 if (!fcport)
1748 return;
1749
1750 /* Now that the rport has been deleted, set the fcport state to
1751 FCS_DEVICE_DEAD */
1752 qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
1753
1754 /*
1755 * Transport has effectively 'deleted' the rport, clear
1756 * all local references.
1757 */
1758 spin_lock_irqsave(host->host_lock, flags);
1759 fcport->rport = fcport->drport = NULL;
1760 *((fc_port_t **)rport->dd_data) = NULL;
1761 spin_unlock_irqrestore(host->host_lock, flags);
1762
1763 if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1764 return;
1765
1766 if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1767 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1768 return;
1769 }
1770 }
1771
1772 static void
1773 qla2x00_terminate_rport_io(struct fc_rport *rport)
1774 {
1775 fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1776
1777 if (!fcport)
1778 return;
1779
1780 if (test_bit(UNLOADING, &fcport->vha->dpc_flags))
1781 return;
1782
1783 if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1784 return;
1785
1786 if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1787 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1788 return;
1789 }
1790 /*
1791 * At this point all fcport's software-states are cleared. Perform any
1792 * final cleanup of firmware resources (PCBs and XCBs).
1793 */
1794 if (fcport->loop_id != FC_NO_LOOP_ID) {
1795 if (IS_FWI2_CAPABLE(fcport->vha->hw))
1796 fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
1797 fcport->loop_id, fcport->d_id.b.domain,
1798 fcport->d_id.b.area, fcport->d_id.b.al_pa);
1799 else
1800 qla2x00_port_logout(fcport->vha, fcport);
1801 }
1802 }
1803
1804 static int
1805 qla2x00_issue_lip(struct Scsi_Host *shost)
1806 {
1807 scsi_qla_host_t *vha = shost_priv(shost);
1808
1809 if (IS_QLAFX00(vha->hw))
1810 return 0;
1811
1812 qla2x00_loop_reset(vha);
1813 return 0;
1814 }
1815
1816 static struct fc_host_statistics *
1817 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1818 {
1819 scsi_qla_host_t *vha = shost_priv(shost);
1820 struct qla_hw_data *ha = vha->hw;
1821 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1822 int rval;
1823 struct link_statistics *stats;
1824 dma_addr_t stats_dma;
1825 struct fc_host_statistics *p = &vha->fc_host_stat;
1826
1827 memset(p, -1, sizeof(*p));
1828
1829 if (IS_QLAFX00(vha->hw))
1830 goto done;
1831
1832 if (test_bit(UNLOADING, &vha->dpc_flags))
1833 goto done;
1834
1835 if (unlikely(pci_channel_offline(ha->pdev)))
1836 goto done;
1837
1838 if (qla2x00_reset_active(vha))
1839 goto done;
1840
1841 stats = dma_alloc_coherent(&ha->pdev->dev,
1842 sizeof(*stats), &stats_dma, GFP_KERNEL);
1843 if (!stats) {
1844 ql_log(ql_log_warn, vha, 0x707d,
1845 "Failed to allocate memory for stats.\n");
1846 goto done;
1847 }
1848 memset(stats, 0, sizeof(*stats));
1849
1850 rval = QLA_FUNCTION_FAILED;
1851 if (IS_FWI2_CAPABLE(ha)) {
1852 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, 0);
1853 } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
1854 !ha->dpc_active) {
1855 /* Must be in a 'READY' state for statistics retrieval. */
1856 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
1857 stats, stats_dma);
1858 }
1859
1860 if (rval != QLA_SUCCESS)
1861 goto done_free;
1862
1863 p->link_failure_count = stats->link_fail_cnt;
1864 p->loss_of_sync_count = stats->loss_sync_cnt;
1865 p->loss_of_signal_count = stats->loss_sig_cnt;
1866 p->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
1867 p->invalid_tx_word_count = stats->inval_xmit_word_cnt;
1868 p->invalid_crc_count = stats->inval_crc_cnt;
1869 if (IS_FWI2_CAPABLE(ha)) {
1870 p->lip_count = stats->lip_cnt;
1871 p->tx_frames = stats->tx_frames;
1872 p->rx_frames = stats->rx_frames;
1873 p->dumped_frames = stats->discarded_frames;
1874 p->nos_count = stats->nos_rcvd;
1875 p->error_frames =
1876 stats->dropped_frames + stats->discarded_frames;
1877 p->rx_words = vha->qla_stats.input_bytes;
1878 p->tx_words = vha->qla_stats.output_bytes;
1879 }
1880 p->fcp_control_requests = vha->qla_stats.control_requests;
1881 p->fcp_input_requests = vha->qla_stats.input_requests;
1882 p->fcp_output_requests = vha->qla_stats.output_requests;
1883 p->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
1884 p->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
1885 p->seconds_since_last_reset =
1886 get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
1887 do_div(p->seconds_since_last_reset, HZ);
1888
1889 done_free:
1890 dma_free_coherent(&ha->pdev->dev, sizeof(struct link_statistics),
1891 stats, stats_dma);
1892 done:
1893 return p;
1894 }
1895
1896 static void
1897 qla2x00_reset_host_stats(struct Scsi_Host *shost)
1898 {
1899 scsi_qla_host_t *vha = shost_priv(shost);
1900 struct qla_hw_data *ha = vha->hw;
1901 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1902 struct link_statistics *stats;
1903 dma_addr_t stats_dma;
1904
1905 memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
1906 memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
1907
1908 vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
1909
1910 if (IS_FWI2_CAPABLE(ha)) {
1911 stats = dma_alloc_coherent(&ha->pdev->dev,
1912 sizeof(*stats), &stats_dma, GFP_KERNEL);
1913 if (!stats) {
1914 ql_log(ql_log_warn, vha, 0x70d7,
1915 "Failed to allocate memory for stats.\n");
1916 return;
1917 }
1918
1919 /* reset firmware statistics */
1920 qla24xx_get_isp_stats(base_vha, stats, stats_dma, BIT_0);
1921
1922 dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
1923 stats, stats_dma);
1924 }
1925 }
1926
1927 static void
1928 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
1929 {
1930 scsi_qla_host_t *vha = shost_priv(shost);
1931
1932 qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost),
1933 sizeof(fc_host_symbolic_name(shost)));
1934 }
1935
1936 static void
1937 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
1938 {
1939 scsi_qla_host_t *vha = shost_priv(shost);
1940
1941 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1942 }
1943
1944 static void
1945 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
1946 {
1947 scsi_qla_host_t *vha = shost_priv(shost);
1948 uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
1949 0xFF, 0xFF, 0xFF, 0xFF};
1950 u64 fabric_name = wwn_to_u64(node_name);
1951
1952 if (vha->device_flags & SWITCH_FOUND)
1953 fabric_name = wwn_to_u64(vha->fabric_node_name);
1954
1955 fc_host_fabric_name(shost) = fabric_name;
1956 }
1957
1958 static void
1959 qla2x00_get_host_port_state(struct Scsi_Host *shost)
1960 {
1961 scsi_qla_host_t *vha = shost_priv(shost);
1962 struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
1963
1964 if (!base_vha->flags.online) {
1965 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1966 return;
1967 }
1968
1969 switch (atomic_read(&base_vha->loop_state)) {
1970 case LOOP_UPDATE:
1971 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1972 break;
1973 case LOOP_DOWN:
1974 if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
1975 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1976 else
1977 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1978 break;
1979 case LOOP_DEAD:
1980 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1981 break;
1982 case LOOP_READY:
1983 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1984 break;
1985 default:
1986 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1987 break;
1988 }
1989 }
1990
1991 static int
1992 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
1993 {
1994 int ret = 0;
1995 uint8_t qos = 0;
1996 scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
1997 scsi_qla_host_t *vha = NULL;
1998 struct qla_hw_data *ha = base_vha->hw;
1999 uint16_t options = 0;
2000 int cnt;
2001 struct req_que *req = ha->req_q_map[0];
2002
2003 ret = qla24xx_vport_create_req_sanity_check(fc_vport);
2004 if (ret) {
2005 ql_log(ql_log_warn, vha, 0x707e,
2006 "Vport sanity check failed, status %x\n", ret);
2007 return (ret);
2008 }
2009
2010 vha = qla24xx_create_vhost(fc_vport);
2011 if (vha == NULL) {
2012 ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
2013 return FC_VPORT_FAILED;
2014 }
2015 if (disable) {
2016 atomic_set(&vha->vp_state, VP_OFFLINE);
2017 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
2018 } else
2019 atomic_set(&vha->vp_state, VP_FAILED);
2020
2021 /* ready to create vport */
2022 ql_log(ql_log_info, vha, 0x7080,
2023 "VP entry id %d assigned.\n", vha->vp_idx);
2024
2025 /* initialized vport states */
2026 atomic_set(&vha->loop_state, LOOP_DOWN);
2027 vha->vp_err_state= VP_ERR_PORTDWN;
2028 vha->vp_prev_err_state= VP_ERR_UNKWN;
2029 /* Check if physical ha port is Up */
2030 if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
2031 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
2032 /* Don't retry or attempt login of this virtual port */
2033 ql_dbg(ql_dbg_user, vha, 0x7081,
2034 "Vport loop state is not UP.\n");
2035 atomic_set(&vha->loop_state, LOOP_DEAD);
2036 if (!disable)
2037 fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
2038 }
2039
2040 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2041 if (ha->fw_attributes & BIT_4) {
2042 int prot = 0, guard;
2043 vha->flags.difdix_supported = 1;
2044 ql_dbg(ql_dbg_user, vha, 0x7082,
2045 "Registered for DIF/DIX type 1 and 3 protection.\n");
2046 if (ql2xenabledif == 1)
2047 prot = SHOST_DIX_TYPE0_PROTECTION;
2048 scsi_host_set_prot(vha->host,
2049 prot | SHOST_DIF_TYPE1_PROTECTION
2050 | SHOST_DIF_TYPE2_PROTECTION
2051 | SHOST_DIF_TYPE3_PROTECTION
2052 | SHOST_DIX_TYPE1_PROTECTION
2053 | SHOST_DIX_TYPE2_PROTECTION
2054 | SHOST_DIX_TYPE3_PROTECTION);
2055
2056 guard = SHOST_DIX_GUARD_CRC;
2057
2058 if (IS_PI_IPGUARD_CAPABLE(ha) &&
2059 (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2060 guard |= SHOST_DIX_GUARD_IP;
2061
2062 scsi_host_set_guard(vha->host, guard);
2063 } else
2064 vha->flags.difdix_supported = 0;
2065 }
2066
2067 if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
2068 &ha->pdev->dev)) {
2069 ql_dbg(ql_dbg_user, vha, 0x7083,
2070 "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
2071 goto vport_create_failed_2;
2072 }
2073
2074 /* initialize attributes */
2075 fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2076 fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2077 fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2078 fc_host_supported_classes(vha->host) =
2079 fc_host_supported_classes(base_vha->host);
2080 fc_host_supported_speeds(vha->host) =
2081 fc_host_supported_speeds(base_vha->host);
2082
2083 qlt_vport_create(vha, ha);
2084 qla24xx_vport_disable(fc_vport, disable);
2085
2086 if (ha->flags.cpu_affinity_enabled) {
2087 req = ha->req_q_map[1];
2088 ql_dbg(ql_dbg_multiq, vha, 0xc000,
2089 "Request queue %p attached with "
2090 "VP[%d], cpu affinity =%d\n",
2091 req, vha->vp_idx, ha->flags.cpu_affinity_enabled);
2092 goto vport_queue;
2093 } else if (ql2xmaxqueues == 1 || !ha->npiv_info)
2094 goto vport_queue;
2095 /* Create a request queue in QoS mode for the vport */
2096 for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
2097 if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
2098 && memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
2099 8) == 0) {
2100 qos = ha->npiv_info[cnt].q_qos;
2101 break;
2102 }
2103 }
2104
2105 if (qos) {
2106 ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0,
2107 qos);
2108 if (!ret)
2109 ql_log(ql_log_warn, vha, 0x7084,
2110 "Can't create request queue for VP[%d]\n",
2111 vha->vp_idx);
2112 else {
2113 ql_dbg(ql_dbg_multiq, vha, 0xc001,
2114 "Request Que:%d Q0s: %d) created for VP[%d]\n",
2115 ret, qos, vha->vp_idx);
2116 ql_dbg(ql_dbg_user, vha, 0x7085,
2117 "Request Que:%d Q0s: %d) created for VP[%d]\n",
2118 ret, qos, vha->vp_idx);
2119 req = ha->req_q_map[ret];
2120 }
2121 }
2122
2123 vport_queue:
2124 vha->req = req;
2125 return 0;
2126
2127 vport_create_failed_2:
2128 qla24xx_disable_vp(vha);
2129 qla24xx_deallocate_vp_id(vha);
2130 scsi_host_put(vha->host);
2131 return FC_VPORT_FAILED;
2132 }
2133
2134 static int
2135 qla24xx_vport_delete(struct fc_vport *fc_vport)
2136 {
2137 scsi_qla_host_t *vha = fc_vport->dd_data;
2138 struct qla_hw_data *ha = vha->hw;
2139 uint16_t id = vha->vp_idx;
2140
2141 while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
2142 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
2143 msleep(1000);
2144
2145 qla24xx_disable_vp(vha);
2146
2147 vha->flags.delete_progress = 1;
2148
2149 qlt_remove_target(ha, vha);
2150
2151 fc_remove_host(vha->host);
2152
2153 scsi_remove_host(vha->host);
2154
2155 /* Allow timer to run to drain queued items, when removing vp */
2156 qla24xx_deallocate_vp_id(vha);
2157
2158 if (vha->timer_active) {
2159 qla2x00_vp_stop_timer(vha);
2160 ql_dbg(ql_dbg_user, vha, 0x7086,
2161 "Timer for the VP[%d] has stopped\n", vha->vp_idx);
2162 }
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