Merge tag 'kvm-3.10-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm
[firefly-linux-kernel-4.4.55.git] / drivers / scsi / qla2xxx / qla_attr.c
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2013 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 #include "qla_target.h"
9
10 #include <linux/kthread.h>
11 #include <linux/vmalloc.h>
12 #include <linux/slab.h>
13 #include <linux/delay.h>
14
15 static int qla24xx_vport_disable(struct fc_vport *, bool);
16
17 /* SYSFS attributes --------------------------------------------------------- */
18
19 static ssize_t
20 qla2x00_sysfs_read_fw_dump(struct file *filp, struct kobject *kobj,
21                            struct bin_attribute *bin_attr,
22                            char *buf, loff_t off, size_t count)
23 {
24         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
25             struct device, kobj)));
26         struct qla_hw_data *ha = vha->hw;
27         int rval = 0;
28
29         if (!(ha->fw_dump_reading || ha->mctp_dump_reading))
30                 return 0;
31
32         if (IS_QLA82XX(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_QLA82XX(vha->hw)) {
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
99                         qla2x00_system_error(vha);
100                 break;
101         case 4:
102                 if (IS_QLA82XX(ha)) {
103                         if (ha->md_tmplt_hdr)
104                                 ql_dbg(ql_dbg_user, vha, 0x705b,
105                                     "MiniDump supported with this firmware.\n");
106                         else
107                                 ql_dbg(ql_dbg_user, vha, 0x709d,
108                                     "MiniDump not supported with this firmware.\n");
109                 }
110                 break;
111         case 5:
112                 if (IS_QLA82XX(ha))
113                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
114                 break;
115         case 6:
116                 if (!ha->mctp_dump_reading)
117                         break;
118                 ql_log(ql_log_info, vha, 0x70c1,
119                     "MCTP dump cleared on (%ld).\n", vha->host_no);
120                 ha->mctp_dump_reading = 0;
121                 ha->mctp_dumped = 0;
122                 break;
123         case 7:
124                 if (ha->mctp_dumped && !ha->mctp_dump_reading) {
125                         ha->mctp_dump_reading = 1;
126                         ql_log(ql_log_info, vha, 0x70c2,
127                             "Raw mctp dump ready for read on (%ld).\n",
128                             vha->host_no);
129                 }
130                 break;
131         }
132         return count;
133 }
134
135 static struct bin_attribute sysfs_fw_dump_attr = {
136         .attr = {
137                 .name = "fw_dump",
138                 .mode = S_IRUSR | S_IWUSR,
139         },
140         .size = 0,
141         .read = qla2x00_sysfs_read_fw_dump,
142         .write = qla2x00_sysfs_write_fw_dump,
143 };
144
145 static ssize_t
146 qla2x00_sysfs_read_nvram(struct file *filp, struct kobject *kobj,
147                          struct bin_attribute *bin_attr,
148                          char *buf, loff_t off, size_t count)
149 {
150         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
151             struct device, kobj)));
152         struct qla_hw_data *ha = vha->hw;
153
154         if (!capable(CAP_SYS_ADMIN))
155                 return 0;
156
157         if (IS_NOCACHE_VPD_TYPE(ha))
158                 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
159                     ha->nvram_size);
160         return memory_read_from_buffer(buf, count, &off, ha->nvram,
161                                         ha->nvram_size);
162 }
163
164 static ssize_t
165 qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
166                           struct bin_attribute *bin_attr,
167                           char *buf, loff_t off, size_t count)
168 {
169         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
170             struct device, kobj)));
171         struct qla_hw_data *ha = vha->hw;
172         uint16_t        cnt;
173
174         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
175             !ha->isp_ops->write_nvram)
176                 return -EINVAL;
177
178         /* Checksum NVRAM. */
179         if (IS_FWI2_CAPABLE(ha)) {
180                 uint32_t *iter;
181                 uint32_t chksum;
182
183                 iter = (uint32_t *)buf;
184                 chksum = 0;
185                 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
186                         chksum += le32_to_cpu(*iter++);
187                 chksum = ~chksum + 1;
188                 *iter = cpu_to_le32(chksum);
189         } else {
190                 uint8_t *iter;
191                 uint8_t chksum;
192
193                 iter = (uint8_t *)buf;
194                 chksum = 0;
195                 for (cnt = 0; cnt < count - 1; cnt++)
196                         chksum += *iter++;
197                 chksum = ~chksum + 1;
198                 *iter = chksum;
199         }
200
201         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
202                 ql_log(ql_log_warn, vha, 0x705f,
203                     "HBA not online, failing NVRAM update.\n");
204                 return -EAGAIN;
205         }
206
207         /* Write NVRAM. */
208         ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
209         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
210             count);
211
212         ql_dbg(ql_dbg_user, vha, 0x7060,
213             "Setting ISP_ABORT_NEEDED\n");
214         /* NVRAM settings take effect immediately. */
215         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
216         qla2xxx_wake_dpc(vha);
217         qla2x00_wait_for_chip_reset(vha);
218
219         return count;
220 }
221
222 static struct bin_attribute sysfs_nvram_attr = {
223         .attr = {
224                 .name = "nvram",
225                 .mode = S_IRUSR | S_IWUSR,
226         },
227         .size = 512,
228         .read = qla2x00_sysfs_read_nvram,
229         .write = qla2x00_sysfs_write_nvram,
230 };
231
232 static ssize_t
233 qla2x00_sysfs_read_optrom(struct file *filp, struct kobject *kobj,
234                           struct bin_attribute *bin_attr,
235                           char *buf, loff_t off, size_t count)
236 {
237         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
238             struct device, kobj)));
239         struct qla_hw_data *ha = vha->hw;
240
241         if (ha->optrom_state != QLA_SREADING)
242                 return 0;
243
244         return memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
245                                         ha->optrom_region_size);
246 }
247
248 static ssize_t
249 qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
250                            struct bin_attribute *bin_attr,
251                            char *buf, loff_t off, size_t count)
252 {
253         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
254             struct device, kobj)));
255         struct qla_hw_data *ha = vha->hw;
256
257         if (ha->optrom_state != QLA_SWRITING)
258                 return -EINVAL;
259         if (off > ha->optrom_region_size)
260                 return -ERANGE;
261         if (off + count > ha->optrom_region_size)
262                 count = ha->optrom_region_size - off;
263
264         memcpy(&ha->optrom_buffer[off], buf, count);
265
266         return count;
267 }
268
269 static struct bin_attribute sysfs_optrom_attr = {
270         .attr = {
271                 .name = "optrom",
272                 .mode = S_IRUSR | S_IWUSR,
273         },
274         .size = 0,
275         .read = qla2x00_sysfs_read_optrom,
276         .write = qla2x00_sysfs_write_optrom,
277 };
278
279 static ssize_t
280 qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
281                                struct bin_attribute *bin_attr,
282                                char *buf, loff_t off, size_t count)
283 {
284         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
285             struct device, kobj)));
286         struct qla_hw_data *ha = vha->hw;
287
288         uint32_t start = 0;
289         uint32_t size = ha->optrom_size;
290         int val, valid;
291
292         if (off)
293                 return -EINVAL;
294
295         if (unlikely(pci_channel_offline(ha->pdev)))
296                 return -EAGAIN;
297
298         if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
299                 return -EINVAL;
300         if (start > ha->optrom_size)
301                 return -EINVAL;
302
303         switch (val) {
304         case 0:
305                 if (ha->optrom_state != QLA_SREADING &&
306                     ha->optrom_state != QLA_SWRITING)
307                         return -EINVAL;
308
309                 ha->optrom_state = QLA_SWAITING;
310
311                 ql_dbg(ql_dbg_user, vha, 0x7061,
312                     "Freeing flash region allocation -- 0x%x bytes.\n",
313                     ha->optrom_region_size);
314
315                 vfree(ha->optrom_buffer);
316                 ha->optrom_buffer = NULL;
317                 break;
318         case 1:
319                 if (ha->optrom_state != QLA_SWAITING)
320                         return -EINVAL;
321
322                 ha->optrom_region_start = start;
323                 ha->optrom_region_size = start + size > ha->optrom_size ?
324                     ha->optrom_size - start : size;
325
326                 ha->optrom_state = QLA_SREADING;
327                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
328                 if (ha->optrom_buffer == NULL) {
329                         ql_log(ql_log_warn, vha, 0x7062,
330                             "Unable to allocate memory for optrom retrieval "
331                             "(%x).\n", ha->optrom_region_size);
332
333                         ha->optrom_state = QLA_SWAITING;
334                         return -ENOMEM;
335                 }
336
337                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
338                         ql_log(ql_log_warn, vha, 0x7063,
339                             "HBA not online, failing NVRAM update.\n");
340                         return -EAGAIN;
341                 }
342
343                 ql_dbg(ql_dbg_user, vha, 0x7064,
344                     "Reading flash region -- 0x%x/0x%x.\n",
345                     ha->optrom_region_start, ha->optrom_region_size);
346
347                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
348                 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
349                     ha->optrom_region_start, ha->optrom_region_size);
350                 break;
351         case 2:
352                 if (ha->optrom_state != QLA_SWAITING)
353                         return -EINVAL;
354
355                 /*
356                  * We need to be more restrictive on which FLASH regions are
357                  * allowed to be updated via user-space.  Regions accessible
358                  * via this method include:
359                  *
360                  * ISP21xx/ISP22xx/ISP23xx type boards:
361                  *
362                  *      0x000000 -> 0x020000 -- Boot code.
363                  *
364                  * ISP2322/ISP24xx type boards:
365                  *
366                  *      0x000000 -> 0x07ffff -- Boot code.
367                  *      0x080000 -> 0x0fffff -- Firmware.
368                  *
369                  * ISP25xx type boards:
370                  *
371                  *      0x000000 -> 0x07ffff -- Boot code.
372                  *      0x080000 -> 0x0fffff -- Firmware.
373                  *      0x120000 -> 0x12ffff -- VPD and HBA parameters.
374                  */
375                 valid = 0;
376                 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
377                         valid = 1;
378                 else if (start == (ha->flt_region_boot * 4) ||
379                     start == (ha->flt_region_fw * 4))
380                         valid = 1;
381                 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)
382                         || IS_CNA_CAPABLE(ha) || IS_QLA2031(ha))
383                         valid = 1;
384                 if (!valid) {
385                         ql_log(ql_log_warn, vha, 0x7065,
386                             "Invalid start region 0x%x/0x%x.\n", start, size);
387                         return -EINVAL;
388                 }
389
390                 ha->optrom_region_start = start;
391                 ha->optrom_region_size = start + size > ha->optrom_size ?
392                     ha->optrom_size - start : size;
393
394                 ha->optrom_state = QLA_SWRITING;
395                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
396                 if (ha->optrom_buffer == NULL) {
397                         ql_log(ql_log_warn, vha, 0x7066,
398                             "Unable to allocate memory for optrom update "
399                             "(%x)\n", ha->optrom_region_size);
400
401                         ha->optrom_state = QLA_SWAITING;
402                         return -ENOMEM;
403                 }
404
405                 ql_dbg(ql_dbg_user, vha, 0x7067,
406                     "Staging flash region write -- 0x%x/0x%x.\n",
407                     ha->optrom_region_start, ha->optrom_region_size);
408
409                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
410                 break;
411         case 3:
412                 if (ha->optrom_state != QLA_SWRITING)
413                         return -EINVAL;
414
415                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
416                         ql_log(ql_log_warn, vha, 0x7068,
417                             "HBA not online, failing flash update.\n");
418                         return -EAGAIN;
419                 }
420
421                 ql_dbg(ql_dbg_user, vha, 0x7069,
422                     "Writing flash region -- 0x%x/0x%x.\n",
423                     ha->optrom_region_start, ha->optrom_region_size);
424
425                 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
426                     ha->optrom_region_start, ha->optrom_region_size);
427                 break;
428         default:
429                 return -EINVAL;
430         }
431         return count;
432 }
433
434 static struct bin_attribute sysfs_optrom_ctl_attr = {
435         .attr = {
436                 .name = "optrom_ctl",
437                 .mode = S_IWUSR,
438         },
439         .size = 0,
440         .write = qla2x00_sysfs_write_optrom_ctl,
441 };
442
443 static ssize_t
444 qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
445                        struct bin_attribute *bin_attr,
446                        char *buf, loff_t off, size_t count)
447 {
448         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
449             struct device, kobj)));
450         struct qla_hw_data *ha = vha->hw;
451
452         if (unlikely(pci_channel_offline(ha->pdev)))
453                 return -EAGAIN;
454
455         if (!capable(CAP_SYS_ADMIN))
456                 return -EINVAL;
457
458         if (IS_NOCACHE_VPD_TYPE(ha))
459                 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
460                     ha->vpd_size);
461         return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
462 }
463
464 static ssize_t
465 qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
466                         struct bin_attribute *bin_attr,
467                         char *buf, loff_t off, size_t count)
468 {
469         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
470             struct device, kobj)));
471         struct qla_hw_data *ha = vha->hw;
472         uint8_t *tmp_data;
473
474         if (unlikely(pci_channel_offline(ha->pdev)))
475                 return 0;
476
477         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
478             !ha->isp_ops->write_nvram)
479                 return 0;
480
481         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
482                 ql_log(ql_log_warn, vha, 0x706a,
483                     "HBA not online, failing VPD update.\n");
484                 return -EAGAIN;
485         }
486
487         /* Write NVRAM. */
488         ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
489         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
490
491         /* Update flash version information for 4Gb & above. */
492         if (!IS_FWI2_CAPABLE(ha))
493                 return -EINVAL;
494
495         tmp_data = vmalloc(256);
496         if (!tmp_data) {
497                 ql_log(ql_log_warn, vha, 0x706b,
498                     "Unable to allocate memory for VPD information update.\n");
499                 return -ENOMEM;
500         }
501         ha->isp_ops->get_flash_version(vha, tmp_data);
502         vfree(tmp_data);
503
504         return count;
505 }
506
507 static struct bin_attribute sysfs_vpd_attr = {
508         .attr = {
509                 .name = "vpd",
510                 .mode = S_IRUSR | S_IWUSR,
511         },
512         .size = 0,
513         .read = qla2x00_sysfs_read_vpd,
514         .write = qla2x00_sysfs_write_vpd,
515 };
516
517 static ssize_t
518 qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
519                        struct bin_attribute *bin_attr,
520                        char *buf, loff_t off, size_t count)
521 {
522         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
523             struct device, kobj)));
524         struct qla_hw_data *ha = vha->hw;
525         uint16_t iter, addr, offset;
526         int rval;
527
528         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
529                 return 0;
530
531         if (ha->sfp_data)
532                 goto do_read;
533
534         ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
535             &ha->sfp_data_dma);
536         if (!ha->sfp_data) {
537                 ql_log(ql_log_warn, vha, 0x706c,
538                     "Unable to allocate memory for SFP read-data.\n");
539                 return 0;
540         }
541
542 do_read:
543         memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
544         addr = 0xa0;
545         for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
546             iter++, offset += SFP_BLOCK_SIZE) {
547                 if (iter == 4) {
548                         /* Skip to next device address. */
549                         addr = 0xa2;
550                         offset = 0;
551                 }
552
553                 rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, ha->sfp_data,
554                     addr, offset, SFP_BLOCK_SIZE, 0);
555                 if (rval != QLA_SUCCESS) {
556                         ql_log(ql_log_warn, vha, 0x706d,
557                             "Unable to read SFP data (%x/%x/%x).\n", rval,
558                             addr, offset);
559
560                         return -EIO;
561                 }
562                 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
563                 buf += SFP_BLOCK_SIZE;
564         }
565
566         return count;
567 }
568
569 static struct bin_attribute sysfs_sfp_attr = {
570         .attr = {
571                 .name = "sfp",
572                 .mode = S_IRUSR | S_IWUSR,
573         },
574         .size = SFP_DEV_SIZE * 2,
575         .read = qla2x00_sysfs_read_sfp,
576 };
577
578 static ssize_t
579 qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
580                         struct bin_attribute *bin_attr,
581                         char *buf, loff_t off, size_t count)
582 {
583         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
584             struct device, kobj)));
585         struct qla_hw_data *ha = vha->hw;
586         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
587         int type;
588         uint32_t idc_control;
589
590         if (off != 0)
591                 return -EINVAL;
592
593         type = simple_strtol(buf, NULL, 10);
594         switch (type) {
595         case 0x2025c:
596                 ql_log(ql_log_info, vha, 0x706e,
597                     "Issuing ISP reset.\n");
598
599                 scsi_block_requests(vha->host);
600                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
601                 if (IS_QLA82XX(ha)) {
602                         ha->flags.isp82xx_no_md_cap = 1;
603                         qla82xx_idc_lock(ha);
604                         qla82xx_set_reset_owner(vha);
605                         qla82xx_idc_unlock(ha);
606                 }
607                 qla2xxx_wake_dpc(vha);
608                 qla2x00_wait_for_chip_reset(vha);
609                 scsi_unblock_requests(vha->host);
610                 break;
611         case 0x2025d:
612                 if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
613                         return -EPERM;
614
615                 ql_log(ql_log_info, vha, 0x706f,
616                     "Issuing MPI reset.\n");
617
618                 if (IS_QLA83XX(ha)) {
619                         uint32_t idc_control;
620
621                         qla83xx_idc_lock(vha, 0);
622                         __qla83xx_get_idc_control(vha, &idc_control);
623                         idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
624                         __qla83xx_set_idc_control(vha, idc_control);
625                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
626                             QLA8XXX_DEV_NEED_RESET);
627                         qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
628                         qla83xx_idc_unlock(vha, 0);
629                         break;
630                 } else {
631                         /* Make sure FC side is not in reset */
632                         qla2x00_wait_for_hba_online(vha);
633
634                         /* Issue MPI reset */
635                         scsi_block_requests(vha->host);
636                         if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
637                                 ql_log(ql_log_warn, vha, 0x7070,
638                                     "MPI reset failed.\n");
639                         scsi_unblock_requests(vha->host);
640                         break;
641                 }
642         case 0x2025e:
643                 if (!IS_QLA82XX(ha) || vha != base_vha) {
644                         ql_log(ql_log_info, vha, 0x7071,
645                             "FCoE ctx reset no supported.\n");
646                         return -EPERM;
647                 }
648
649                 ql_log(ql_log_info, vha, 0x7072,
650                     "Issuing FCoE ctx reset.\n");
651                 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
652                 qla2xxx_wake_dpc(vha);
653                 qla2x00_wait_for_fcoe_ctx_reset(vha);
654                 break;
655         case 0x2025f:
656                 if (!IS_QLA8031(ha))
657                         return -EPERM;
658                 ql_log(ql_log_info, vha, 0x70bc,
659                     "Disabling Reset by IDC control\n");
660                 qla83xx_idc_lock(vha, 0);
661                 __qla83xx_get_idc_control(vha, &idc_control);
662                 idc_control |= QLA83XX_IDC_RESET_DISABLED;
663                 __qla83xx_set_idc_control(vha, idc_control);
664                 qla83xx_idc_unlock(vha, 0);
665                 break;
666         case 0x20260:
667                 if (!IS_QLA8031(ha))
668                         return -EPERM;
669                 ql_log(ql_log_info, vha, 0x70bd,
670                     "Enabling Reset by IDC control\n");
671                 qla83xx_idc_lock(vha, 0);
672                 __qla83xx_get_idc_control(vha, &idc_control);
673                 idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
674                 __qla83xx_set_idc_control(vha, idc_control);
675                 qla83xx_idc_unlock(vha, 0);
676                 break;
677
678         }
679         return count;
680 }
681
682 static struct bin_attribute sysfs_reset_attr = {
683         .attr = {
684                 .name = "reset",
685                 .mode = S_IWUSR,
686         },
687         .size = 0,
688         .write = qla2x00_sysfs_write_reset,
689 };
690
691 static ssize_t
692 qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
693                        struct bin_attribute *bin_attr,
694                        char *buf, loff_t off, size_t count)
695 {
696         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
697             struct device, kobj)));
698         struct qla_hw_data *ha = vha->hw;
699         int rval;
700         uint16_t actual_size;
701
702         if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
703                 return 0;
704
705         if (ha->xgmac_data)
706                 goto do_read;
707
708         ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
709             &ha->xgmac_data_dma, GFP_KERNEL);
710         if (!ha->xgmac_data) {
711                 ql_log(ql_log_warn, vha, 0x7076,
712                     "Unable to allocate memory for XGMAC read-data.\n");
713                 return 0;
714         }
715
716 do_read:
717         actual_size = 0;
718         memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
719
720         rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
721             XGMAC_DATA_SIZE, &actual_size);
722         if (rval != QLA_SUCCESS) {
723                 ql_log(ql_log_warn, vha, 0x7077,
724                     "Unable to read XGMAC data (%x).\n", rval);
725                 count = 0;
726         }
727
728         count = actual_size > count ? count: actual_size;
729         memcpy(buf, ha->xgmac_data, count);
730
731         return count;
732 }
733
734 static struct bin_attribute sysfs_xgmac_stats_attr = {
735         .attr = {
736                 .name = "xgmac_stats",
737                 .mode = S_IRUSR,
738         },
739         .size = 0,
740         .read = qla2x00_sysfs_read_xgmac_stats,
741 };
742
743 static ssize_t
744 qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
745                        struct bin_attribute *bin_attr,
746                        char *buf, loff_t off, size_t count)
747 {
748         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
749             struct device, kobj)));
750         struct qla_hw_data *ha = vha->hw;
751         int rval;
752         uint16_t actual_size;
753
754         if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
755                 return 0;
756
757         if (ha->dcbx_tlv)
758                 goto do_read;
759
760         ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
761             &ha->dcbx_tlv_dma, GFP_KERNEL);
762         if (!ha->dcbx_tlv) {
763                 ql_log(ql_log_warn, vha, 0x7078,
764                     "Unable to allocate memory for DCBX TLV read-data.\n");
765                 return -ENOMEM;
766         }
767
768 do_read:
769         actual_size = 0;
770         memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
771
772         rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
773             DCBX_TLV_DATA_SIZE);
774         if (rval != QLA_SUCCESS) {
775                 ql_log(ql_log_warn, vha, 0x7079,
776                     "Unable to read DCBX TLV (%x).\n", rval);
777                 return -EIO;
778         }
779
780         memcpy(buf, ha->dcbx_tlv, count);
781
782         return count;
783 }
784
785 static struct bin_attribute sysfs_dcbx_tlv_attr = {
786         .attr = {
787                 .name = "dcbx_tlv",
788                 .mode = S_IRUSR,
789         },
790         .size = 0,
791         .read = qla2x00_sysfs_read_dcbx_tlv,
792 };
793
794 static struct sysfs_entry {
795         char *name;
796         struct bin_attribute *attr;
797         int is4GBp_only;
798 } bin_file_entries[] = {
799         { "fw_dump", &sysfs_fw_dump_attr, },
800         { "nvram", &sysfs_nvram_attr, },
801         { "optrom", &sysfs_optrom_attr, },
802         { "optrom_ctl", &sysfs_optrom_ctl_attr, },
803         { "vpd", &sysfs_vpd_attr, 1 },
804         { "sfp", &sysfs_sfp_attr, 1 },
805         { "reset", &sysfs_reset_attr, },
806         { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
807         { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
808         { NULL },
809 };
810
811 void
812 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
813 {
814         struct Scsi_Host *host = vha->host;
815         struct sysfs_entry *iter;
816         int ret;
817
818         for (iter = bin_file_entries; iter->name; iter++) {
819                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
820                         continue;
821                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
822                         continue;
823                 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
824                         continue;
825
826                 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
827                     iter->attr);
828                 if (ret)
829                         ql_log(ql_log_warn, vha, 0x00f3,
830                             "Unable to create sysfs %s binary attribute (%d).\n",
831                             iter->name, ret);
832                 else
833                         ql_dbg(ql_dbg_init, vha, 0x00f4,
834                             "Successfully created sysfs %s binary attribure.\n",
835                             iter->name);
836         }
837 }
838
839 void
840 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha)
841 {
842         struct Scsi_Host *host = vha->host;
843         struct sysfs_entry *iter;
844         struct qla_hw_data *ha = vha->hw;
845
846         for (iter = bin_file_entries; iter->name; iter++) {
847                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
848                         continue;
849                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
850                         continue;
851                 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
852                         continue;
853
854                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
855                     iter->attr);
856         }
857
858         if (ha->beacon_blink_led == 1)
859                 ha->isp_ops->beacon_off(vha);
860 }
861
862 /* Scsi_Host attributes. */
863
864 static ssize_t
865 qla2x00_drvr_version_show(struct device *dev,
866                           struct device_attribute *attr, char *buf)
867 {
868         return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
869 }
870
871 static ssize_t
872 qla2x00_fw_version_show(struct device *dev,
873                         struct device_attribute *attr, char *buf)
874 {
875         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
876         struct qla_hw_data *ha = vha->hw;
877         char fw_str[128];
878
879         return snprintf(buf, PAGE_SIZE, "%s\n",
880             ha->isp_ops->fw_version_str(vha, fw_str));
881 }
882
883 static ssize_t
884 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
885                         char *buf)
886 {
887         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
888         struct qla_hw_data *ha = vha->hw;
889         uint32_t sn;
890
891         if (IS_QLAFX00(vha->hw)) {
892                 return snprintf(buf, PAGE_SIZE, "%s\n",
893                     vha->hw->mr.serial_num);
894         } else if (IS_FWI2_CAPABLE(ha)) {
895                 qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE);
896                 return snprintf(buf, PAGE_SIZE, "%s\n", buf);
897         }
898
899         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
900         return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
901             sn % 100000);
902 }
903
904 static ssize_t
905 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
906                       char *buf)
907 {
908         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
909         return snprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
910 }
911
912 static ssize_t
913 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
914                     char *buf)
915 {
916         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
917         struct qla_hw_data *ha = vha->hw;
918
919         if (IS_QLAFX00(vha->hw))
920                 return snprintf(buf, PAGE_SIZE, "%s\n",
921                     vha->hw->mr.hw_version);
922
923         return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
924             ha->product_id[0], ha->product_id[1], ha->product_id[2],
925             ha->product_id[3]);
926 }
927
928 static ssize_t
929 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
930                         char *buf)
931 {
932         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
933
934         if (IS_QLAFX00(vha->hw))
935                 return snprintf(buf, PAGE_SIZE, "%s\n",
936                     vha->hw->mr.product_name);
937
938         return snprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
939 }
940
941 static ssize_t
942 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
943                         char *buf)
944 {
945         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
946         return snprintf(buf, PAGE_SIZE, "%s\n",
947             vha->hw->model_desc ? vha->hw->model_desc : "");
948 }
949
950 static ssize_t
951 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
952                       char *buf)
953 {
954         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
955         char pci_info[30];
956
957         return snprintf(buf, PAGE_SIZE, "%s\n",
958             vha->hw->isp_ops->pci_info_str(vha, pci_info));
959 }
960
961 static ssize_t
962 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
963                         char *buf)
964 {
965         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
966         struct qla_hw_data *ha = vha->hw;
967         int len = 0;
968
969         if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
970             atomic_read(&vha->loop_state) == LOOP_DEAD ||
971             vha->device_flags & DFLG_NO_CABLE)
972                 len = snprintf(buf, PAGE_SIZE, "Link Down\n");
973         else if (atomic_read(&vha->loop_state) != LOOP_READY ||
974             qla2x00_reset_active(vha))
975                 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
976         else {
977                 len = snprintf(buf, PAGE_SIZE, "Link Up - ");
978
979                 switch (ha->current_topology) {
980                 case ISP_CFG_NL:
981                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
982                         break;
983                 case ISP_CFG_FL:
984                         len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
985                         break;
986                 case ISP_CFG_N:
987                         len += snprintf(buf + len, PAGE_SIZE-len,
988                             "N_Port to N_Port\n");
989                         break;
990                 case ISP_CFG_F:
991                         len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
992                         break;
993                 default:
994                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
995                         break;
996                 }
997         }
998         return len;
999 }
1000
1001 static ssize_t
1002 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
1003                  char *buf)
1004 {
1005         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1006         int len = 0;
1007
1008         switch (vha->hw->zio_mode) {
1009         case QLA_ZIO_MODE_6:
1010                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1011                 break;
1012         case QLA_ZIO_DISABLED:
1013                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1014                 break;
1015         }
1016         return len;
1017 }
1018
1019 static ssize_t
1020 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1021                   const char *buf, size_t count)
1022 {
1023         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1024         struct qla_hw_data *ha = vha->hw;
1025         int val = 0;
1026         uint16_t zio_mode;
1027
1028         if (!IS_ZIO_SUPPORTED(ha))
1029                 return -ENOTSUPP;
1030
1031         if (sscanf(buf, "%d", &val) != 1)
1032                 return -EINVAL;
1033
1034         if (val)
1035                 zio_mode = QLA_ZIO_MODE_6;
1036         else
1037                 zio_mode = QLA_ZIO_DISABLED;
1038
1039         /* Update per-hba values and queue a reset. */
1040         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1041                 ha->zio_mode = zio_mode;
1042                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1043         }
1044         return strlen(buf);
1045 }
1046
1047 static ssize_t
1048 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1049                        char *buf)
1050 {
1051         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1052
1053         return snprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1054 }
1055
1056 static ssize_t
1057 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1058                         const char *buf, size_t count)
1059 {
1060         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1061         int val = 0;
1062         uint16_t zio_timer;
1063
1064         if (sscanf(buf, "%d", &val) != 1)
1065                 return -EINVAL;
1066         if (val > 25500 || val < 100)
1067                 return -ERANGE;
1068
1069         zio_timer = (uint16_t)(val / 100);
1070         vha->hw->zio_timer = zio_timer;
1071
1072         return strlen(buf);
1073 }
1074
1075 static ssize_t
1076 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1077                     char *buf)
1078 {
1079         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1080         int len = 0;
1081
1082         if (vha->hw->beacon_blink_led)
1083                 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1084         else
1085                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1086         return len;
1087 }
1088
1089 static ssize_t
1090 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1091                      const char *buf, size_t count)
1092 {
1093         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1094         struct qla_hw_data *ha = vha->hw;
1095         int val = 0;
1096         int rval;
1097
1098         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1099                 return -EPERM;
1100
1101         if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
1102                 ql_log(ql_log_warn, vha, 0x707a,
1103                     "Abort ISP active -- ignoring beacon request.\n");
1104                 return -EBUSY;
1105         }
1106
1107         if (sscanf(buf, "%d", &val) != 1)
1108                 return -EINVAL;
1109
1110         if (val)
1111                 rval = ha->isp_ops->beacon_on(vha);
1112         else
1113                 rval = ha->isp_ops->beacon_off(vha);
1114
1115         if (rval != QLA_SUCCESS)
1116                 count = 0;
1117
1118         return count;
1119 }
1120
1121 static ssize_t
1122 qla2x00_optrom_bios_version_show(struct device *dev,
1123                                  struct device_attribute *attr, char *buf)
1124 {
1125         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1126         struct qla_hw_data *ha = vha->hw;
1127         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1128             ha->bios_revision[0]);
1129 }
1130
1131 static ssize_t
1132 qla2x00_optrom_efi_version_show(struct device *dev,
1133                                 struct device_attribute *attr, char *buf)
1134 {
1135         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1136         struct qla_hw_data *ha = vha->hw;
1137         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1138             ha->efi_revision[0]);
1139 }
1140
1141 static ssize_t
1142 qla2x00_optrom_fcode_version_show(struct device *dev,
1143                                   struct device_attribute *attr, char *buf)
1144 {
1145         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1146         struct qla_hw_data *ha = vha->hw;
1147         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1148             ha->fcode_revision[0]);
1149 }
1150
1151 static ssize_t
1152 qla2x00_optrom_fw_version_show(struct device *dev,
1153                                struct device_attribute *attr, char *buf)
1154 {
1155         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1156         struct qla_hw_data *ha = vha->hw;
1157         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1158             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1159             ha->fw_revision[3]);
1160 }
1161
1162 static ssize_t
1163 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1164     struct device_attribute *attr, char *buf)
1165 {
1166         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1167         struct qla_hw_data *ha = vha->hw;
1168
1169         if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
1170                 return snprintf(buf, PAGE_SIZE, "\n");
1171
1172         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1173             ha->gold_fw_version[0], ha->gold_fw_version[1],
1174             ha->gold_fw_version[2], ha->gold_fw_version[3]);
1175 }
1176
1177 static ssize_t
1178 qla2x00_total_isp_aborts_show(struct device *dev,
1179                               struct device_attribute *attr, char *buf)
1180 {
1181         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1182         return snprintf(buf, PAGE_SIZE, "%d\n",
1183             vha->qla_stats.total_isp_aborts);
1184 }
1185
1186 static ssize_t
1187 qla24xx_84xx_fw_version_show(struct device *dev,
1188         struct device_attribute *attr, char *buf)
1189 {
1190         int rval = QLA_SUCCESS;
1191         uint16_t status[2] = {0, 0};
1192         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1193         struct qla_hw_data *ha = vha->hw;
1194
1195         if (!IS_QLA84XX(ha))
1196                 return snprintf(buf, PAGE_SIZE, "\n");
1197
1198         if (ha->cs84xx->op_fw_version == 0)
1199                 rval = qla84xx_verify_chip(vha, status);
1200
1201         if ((rval == QLA_SUCCESS) && (status[0] == 0))
1202                 return snprintf(buf, PAGE_SIZE, "%u\n",
1203                         (uint32_t)ha->cs84xx->op_fw_version);
1204
1205         return snprintf(buf, PAGE_SIZE, "\n");
1206 }
1207
1208 static ssize_t
1209 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1210     char *buf)
1211 {
1212         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1213         struct qla_hw_data *ha = vha->hw;
1214
1215         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1216                 return snprintf(buf, PAGE_SIZE, "\n");
1217
1218         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1219             ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1220             ha->mpi_capabilities);
1221 }
1222
1223 static ssize_t
1224 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1225     char *buf)
1226 {
1227         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1228         struct qla_hw_data *ha = vha->hw;
1229
1230         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1231                 return snprintf(buf, PAGE_SIZE, "\n");
1232
1233         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1234             ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1235 }
1236
1237 static ssize_t
1238 qla2x00_flash_block_size_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
1244         return snprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1245 }
1246
1247 static ssize_t
1248 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1249     char *buf)
1250 {
1251         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1252
1253         if (!IS_CNA_CAPABLE(vha->hw))
1254                 return snprintf(buf, PAGE_SIZE, "\n");
1255
1256         return snprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1257 }
1258
1259 static ssize_t
1260 qla2x00_vn_port_mac_address_show(struct device *dev,
1261     struct device_attribute *attr, char *buf)
1262 {
1263         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1264
1265         if (!IS_CNA_CAPABLE(vha->hw))
1266                 return snprintf(buf, PAGE_SIZE, "\n");
1267
1268         return snprintf(buf, PAGE_SIZE, "%02x:%02x:%02x:%02x:%02x:%02x\n",
1269             vha->fcoe_vn_port_mac[5], vha->fcoe_vn_port_mac[4],
1270             vha->fcoe_vn_port_mac[3], vha->fcoe_vn_port_mac[2],
1271             vha->fcoe_vn_port_mac[1], vha->fcoe_vn_port_mac[0]);
1272 }
1273
1274 static ssize_t
1275 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1276     char *buf)
1277 {
1278         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1279
1280         return snprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1281 }
1282
1283 static ssize_t
1284 qla2x00_thermal_temp_show(struct device *dev,
1285         struct device_attribute *attr, char *buf)
1286 {
1287         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1288         uint16_t temp = 0;
1289
1290         if (!vha->hw->thermal_support) {
1291                 ql_log(ql_log_warn, vha, 0x70db,
1292                     "Thermal not supported by this card.\n");
1293                 goto done;
1294         }
1295
1296         if (qla2x00_reset_active(vha)) {
1297                 ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1298                 goto done;
1299         }
1300
1301         if (vha->hw->flags.eeh_busy) {
1302                 ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1303                 goto done;
1304         }
1305
1306         if (qla2x00_get_thermal_temp(vha, &temp) == QLA_SUCCESS)
1307                 return snprintf(buf, PAGE_SIZE, "%d\n", temp);
1308
1309 done:
1310         return snprintf(buf, PAGE_SIZE, "\n");
1311 }
1312
1313 static ssize_t
1314 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1315     char *buf)
1316 {
1317         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1318         int rval = QLA_FUNCTION_FAILED;
1319         uint16_t state[5];
1320         uint32_t pstate;
1321
1322         if (IS_QLAFX00(vha->hw)) {
1323                 pstate = qlafx00_fw_state_show(dev, attr, buf);
1324                 return snprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1325         }
1326
1327         if (qla2x00_reset_active(vha))
1328                 ql_log(ql_log_warn, vha, 0x707c,
1329                     "ISP reset active.\n");
1330         else if (!vha->hw->flags.eeh_busy)
1331                 rval = qla2x00_get_firmware_state(vha, state);
1332         if (rval != QLA_SUCCESS)
1333                 memset(state, -1, sizeof(state));
1334
1335         return snprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x\n", state[0],
1336             state[1], state[2], state[3], state[4]);
1337 }
1338
1339 static ssize_t
1340 qla2x00_diag_requests_show(struct device *dev,
1341         struct device_attribute *attr, char *buf)
1342 {
1343         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1344
1345         if (!IS_BIDI_CAPABLE(vha->hw))
1346                 return snprintf(buf, PAGE_SIZE, "\n");
1347
1348         return snprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1349 }
1350
1351 static ssize_t
1352 qla2x00_diag_megabytes_show(struct device *dev,
1353         struct device_attribute *attr, char *buf)
1354 {
1355         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1356
1357         if (!IS_BIDI_CAPABLE(vha->hw))
1358                 return snprintf(buf, PAGE_SIZE, "\n");
1359
1360         return snprintf(buf, PAGE_SIZE, "%llu\n",
1361             vha->bidi_stats.transfer_bytes >> 20);
1362 }
1363
1364 static ssize_t
1365 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1366         char *buf)
1367 {
1368         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1369         struct qla_hw_data *ha = vha->hw;
1370         uint32_t size;
1371
1372         if (!ha->fw_dumped)
1373                 size = 0;
1374         else if (IS_QLA82XX(ha))
1375                 size = ha->md_template_size + ha->md_dump_size;
1376         else
1377                 size = ha->fw_dump_len;
1378
1379         return snprintf(buf, PAGE_SIZE, "%d\n", size);
1380 }
1381
1382 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
1383 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
1384 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
1385 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
1386 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
1387 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
1388 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
1389 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
1390 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
1391 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
1392 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
1393                    qla2x00_zio_timer_store);
1394 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
1395                    qla2x00_beacon_store);
1396 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
1397                    qla2x00_optrom_bios_version_show, NULL);
1398 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
1399                    qla2x00_optrom_efi_version_show, NULL);
1400 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
1401                    qla2x00_optrom_fcode_version_show, NULL);
1402 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
1403                    NULL);
1404 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
1405     qla2x00_optrom_gold_fw_version_show, NULL);
1406 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
1407                    NULL);
1408 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
1409                    NULL);
1410 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
1411 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
1412 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
1413                    NULL);
1414 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
1415 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
1416                    qla2x00_vn_port_mac_address_show, NULL);
1417 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
1418 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
1419 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
1420 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
1421 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
1422 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
1423
1424 struct device_attribute *qla2x00_host_attrs[] = {
1425         &dev_attr_driver_version,
1426         &dev_attr_fw_version,
1427         &dev_attr_serial_num,
1428         &dev_attr_isp_name,
1429         &dev_attr_isp_id,
1430         &dev_attr_model_name,
1431         &dev_attr_model_desc,
1432         &dev_attr_pci_info,
1433         &dev_attr_link_state,
1434         &dev_attr_zio,
1435         &dev_attr_zio_timer,
1436         &dev_attr_beacon,
1437         &dev_attr_optrom_bios_version,
1438         &dev_attr_optrom_efi_version,
1439         &dev_attr_optrom_fcode_version,
1440         &dev_attr_optrom_fw_version,
1441         &dev_attr_84xx_fw_version,
1442         &dev_attr_total_isp_aborts,
1443         &dev_attr_mpi_version,
1444         &dev_attr_phy_version,
1445         &dev_attr_flash_block_size,
1446         &dev_attr_vlan_id,
1447         &dev_attr_vn_port_mac_address,
1448         &dev_attr_fabric_param,
1449         &dev_attr_fw_state,
1450         &dev_attr_optrom_gold_fw_version,
1451         &dev_attr_thermal_temp,
1452         &dev_attr_diag_requests,
1453         &dev_attr_diag_megabytes,
1454         &dev_attr_fw_dump_size,
1455         NULL,
1456 };
1457
1458 /* Host attributes. */
1459
1460 static void
1461 qla2x00_get_host_port_id(struct Scsi_Host *shost)
1462 {
1463         scsi_qla_host_t *vha = shost_priv(shost);
1464
1465         fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
1466             vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
1467 }
1468
1469 static void
1470 qla2x00_get_host_speed(struct Scsi_Host *shost)
1471 {
1472         struct qla_hw_data *ha = ((struct scsi_qla_host *)
1473                                         (shost_priv(shost)))->hw;
1474         u32 speed = FC_PORTSPEED_UNKNOWN;
1475
1476         if (IS_QLAFX00(ha)) {
1477                 qlafx00_get_host_speed(shost);
1478                 return;
1479         }
1480
1481         switch (ha->link_data_rate) {
1482         case PORT_SPEED_1GB:
1483                 speed = FC_PORTSPEED_1GBIT;
1484                 break;
1485         case PORT_SPEED_2GB:
1486                 speed = FC_PORTSPEED_2GBIT;
1487                 break;
1488         case PORT_SPEED_4GB:
1489                 speed = FC_PORTSPEED_4GBIT;
1490                 break;
1491         case PORT_SPEED_8GB:
1492                 speed = FC_PORTSPEED_8GBIT;
1493                 break;
1494         case PORT_SPEED_10GB:
1495                 speed = FC_PORTSPEED_10GBIT;
1496                 break;
1497         case PORT_SPEED_16GB:
1498                 speed = FC_PORTSPEED_16GBIT;
1499                 break;
1500         }
1501         fc_host_speed(shost) = speed;
1502 }
1503
1504 static void
1505 qla2x00_get_host_port_type(struct Scsi_Host *shost)
1506 {
1507         scsi_qla_host_t *vha = shost_priv(shost);
1508         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
1509
1510         if (vha->vp_idx) {
1511                 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1512                 return;
1513         }
1514         switch (vha->hw->current_topology) {
1515         case ISP_CFG_NL:
1516                 port_type = FC_PORTTYPE_LPORT;
1517                 break;
1518         case ISP_CFG_FL:
1519                 port_type = FC_PORTTYPE_NLPORT;
1520                 break;
1521         case ISP_CFG_N:
1522                 port_type = FC_PORTTYPE_PTP;
1523                 break;
1524         case ISP_CFG_F:
1525                 port_type = FC_PORTTYPE_NPORT;
1526                 break;
1527         }
1528         fc_host_port_type(shost) = port_type;
1529 }
1530
1531 static void
1532 qla2x00_get_starget_node_name(struct scsi_target *starget)
1533 {
1534         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1535         scsi_qla_host_t *vha = shost_priv(host);
1536         fc_port_t *fcport;
1537         u64 node_name = 0;
1538
1539         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1540                 if (fcport->rport &&
1541                     starget->id == fcport->rport->scsi_target_id) {
1542                         node_name = wwn_to_u64(fcport->node_name);
1543                         break;
1544                 }
1545         }
1546
1547         fc_starget_node_name(starget) = node_name;
1548 }
1549
1550 static void
1551 qla2x00_get_starget_port_name(struct scsi_target *starget)
1552 {
1553         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1554         scsi_qla_host_t *vha = shost_priv(host);
1555         fc_port_t *fcport;
1556         u64 port_name = 0;
1557
1558         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1559                 if (fcport->rport &&
1560                     starget->id == fcport->rport->scsi_target_id) {
1561                         port_name = wwn_to_u64(fcport->port_name);
1562                         break;
1563                 }
1564         }
1565
1566         fc_starget_port_name(starget) = port_name;
1567 }
1568
1569 static void
1570 qla2x00_get_starget_port_id(struct scsi_target *starget)
1571 {
1572         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1573         scsi_qla_host_t *vha = shost_priv(host);
1574         fc_port_t *fcport;
1575         uint32_t port_id = ~0U;
1576
1577         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1578                 if (fcport->rport &&
1579                     starget->id == fcport->rport->scsi_target_id) {
1580                         port_id = fcport->d_id.b.domain << 16 |
1581                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
1582                         break;
1583                 }
1584         }
1585
1586         fc_starget_port_id(starget) = port_id;
1587 }
1588
1589 static void
1590 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1591 {
1592         if (timeout)
1593                 rport->dev_loss_tmo = timeout;
1594         else
1595                 rport->dev_loss_tmo = 1;
1596 }
1597
1598 static void
1599 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
1600 {
1601         struct Scsi_Host *host = rport_to_shost(rport);
1602         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1603         unsigned long flags;
1604
1605         if (!fcport)
1606                 return;
1607
1608         /* Now that the rport has been deleted, set the fcport state to
1609            FCS_DEVICE_DEAD */
1610         qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
1611
1612         /*
1613          * Transport has effectively 'deleted' the rport, clear
1614          * all local references.
1615          */
1616         spin_lock_irqsave(host->host_lock, flags);
1617         fcport->rport = fcport->drport = NULL;
1618         *((fc_port_t **)rport->dd_data) = NULL;
1619         spin_unlock_irqrestore(host->host_lock, flags);
1620
1621         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1622                 return;
1623
1624         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1625                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1626                 return;
1627         }
1628 }
1629
1630 static void
1631 qla2x00_terminate_rport_io(struct fc_rport *rport)
1632 {
1633         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1634
1635         if (!fcport)
1636                 return;
1637
1638         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1639                 return;
1640
1641         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1642                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1643                 return;
1644         }
1645         /*
1646          * At this point all fcport's software-states are cleared.  Perform any
1647          * final cleanup of firmware resources (PCBs and XCBs).
1648          */
1649         if (fcport->loop_id != FC_NO_LOOP_ID) {
1650                 if (IS_FWI2_CAPABLE(fcport->vha->hw))
1651                         fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
1652                             fcport->loop_id, fcport->d_id.b.domain,
1653                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
1654                 else
1655                         qla2x00_port_logout(fcport->vha, fcport);
1656         }
1657 }
1658
1659 static int
1660 qla2x00_issue_lip(struct Scsi_Host *shost)
1661 {
1662         scsi_qla_host_t *vha = shost_priv(shost);
1663
1664         if (IS_QLAFX00(vha->hw))
1665                 return 0;
1666
1667         qla2x00_loop_reset(vha);
1668         return 0;
1669 }
1670
1671 static struct fc_host_statistics *
1672 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1673 {
1674         scsi_qla_host_t *vha = shost_priv(shost);
1675         struct qla_hw_data *ha = vha->hw;
1676         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1677         int rval;
1678         struct link_statistics *stats;
1679         dma_addr_t stats_dma;
1680         struct fc_host_statistics *pfc_host_stat;
1681
1682         pfc_host_stat = &vha->fc_host_stat;
1683         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
1684
1685         if (IS_QLAFX00(vha->hw))
1686                 goto done;
1687
1688         if (test_bit(UNLOADING, &vha->dpc_flags))
1689                 goto done;
1690
1691         if (unlikely(pci_channel_offline(ha->pdev)))
1692                 goto done;
1693
1694         stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
1695         if (stats == NULL) {
1696                 ql_log(ql_log_warn, vha, 0x707d,
1697                     "Failed to allocate memory for stats.\n");
1698                 goto done;
1699         }
1700         memset(stats, 0, DMA_POOL_SIZE);
1701
1702         rval = QLA_FUNCTION_FAILED;
1703         if (IS_FWI2_CAPABLE(ha)) {
1704                 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
1705         } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
1706             !qla2x00_reset_active(vha) && !ha->dpc_active) {
1707                 /* Must be in a 'READY' state for statistics retrieval. */
1708                 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
1709                                                 stats, stats_dma);
1710         }
1711
1712         if (rval != QLA_SUCCESS)
1713                 goto done_free;
1714
1715         pfc_host_stat->link_failure_count = stats->link_fail_cnt;
1716         pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt;
1717         pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt;
1718         pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
1719         pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt;
1720         pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt;
1721         if (IS_FWI2_CAPABLE(ha)) {
1722                 pfc_host_stat->lip_count = stats->lip_cnt;
1723                 pfc_host_stat->tx_frames = stats->tx_frames;
1724                 pfc_host_stat->rx_frames = stats->rx_frames;
1725                 pfc_host_stat->dumped_frames = stats->dumped_frames;
1726                 pfc_host_stat->nos_count = stats->nos_rcvd;
1727         }
1728         pfc_host_stat->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
1729         pfc_host_stat->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
1730
1731 done_free:
1732         dma_pool_free(ha->s_dma_pool, stats, stats_dma);
1733 done:
1734         return pfc_host_stat;
1735 }
1736
1737 static void
1738 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
1739 {
1740         scsi_qla_host_t *vha = shost_priv(shost);
1741
1742         qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost));
1743 }
1744
1745 static void
1746 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
1747 {
1748         scsi_qla_host_t *vha = shost_priv(shost);
1749
1750         set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1751 }
1752
1753 static void
1754 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
1755 {
1756         scsi_qla_host_t *vha = shost_priv(shost);
1757         uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
1758                 0xFF, 0xFF, 0xFF, 0xFF};
1759         u64 fabric_name = wwn_to_u64(node_name);
1760
1761         if (vha->device_flags & SWITCH_FOUND)
1762                 fabric_name = wwn_to_u64(vha->fabric_node_name);
1763
1764         fc_host_fabric_name(shost) = fabric_name;
1765 }
1766
1767 static void
1768 qla2x00_get_host_port_state(struct Scsi_Host *shost)
1769 {
1770         scsi_qla_host_t *vha = shost_priv(shost);
1771         struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
1772
1773         if (!base_vha->flags.online) {
1774                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1775                 return;
1776         }
1777
1778         switch (atomic_read(&base_vha->loop_state)) {
1779         case LOOP_UPDATE:
1780                 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1781                 break;
1782         case LOOP_DOWN:
1783                 if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
1784                         fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1785                 else
1786                         fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1787                 break;
1788         case LOOP_DEAD:
1789                 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1790                 break;
1791         case LOOP_READY:
1792                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1793                 break;
1794         default:
1795                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1796                 break;
1797         }
1798 }
1799
1800 static int
1801 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
1802 {
1803         int     ret = 0;
1804         uint8_t qos = 0;
1805         scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
1806         scsi_qla_host_t *vha = NULL;
1807         struct qla_hw_data *ha = base_vha->hw;
1808         uint16_t options = 0;
1809         int     cnt;
1810         struct req_que *req = ha->req_q_map[0];
1811
1812         ret = qla24xx_vport_create_req_sanity_check(fc_vport);
1813         if (ret) {
1814                 ql_log(ql_log_warn, vha, 0x707e,
1815                     "Vport sanity check failed, status %x\n", ret);
1816                 return (ret);
1817         }
1818
1819         vha = qla24xx_create_vhost(fc_vport);
1820         if (vha == NULL) {
1821                 ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
1822                 return FC_VPORT_FAILED;
1823         }
1824         if (disable) {
1825                 atomic_set(&vha->vp_state, VP_OFFLINE);
1826                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
1827         } else
1828                 atomic_set(&vha->vp_state, VP_FAILED);
1829
1830         /* ready to create vport */
1831         ql_log(ql_log_info, vha, 0x7080,
1832             "VP entry id %d assigned.\n", vha->vp_idx);
1833
1834         /* initialized vport states */
1835         atomic_set(&vha->loop_state, LOOP_DOWN);
1836         vha->vp_err_state=  VP_ERR_PORTDWN;
1837         vha->vp_prev_err_state=  VP_ERR_UNKWN;
1838         /* Check if physical ha port is Up */
1839         if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
1840             atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
1841                 /* Don't retry or attempt login of this virtual port */
1842                 ql_dbg(ql_dbg_user, vha, 0x7081,
1843                     "Vport loop state is not UP.\n");
1844                 atomic_set(&vha->loop_state, LOOP_DEAD);
1845                 if (!disable)
1846                         fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
1847         }
1848
1849         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
1850                 if (ha->fw_attributes & BIT_4) {
1851                         int prot = 0, guard;
1852                         vha->flags.difdix_supported = 1;
1853                         ql_dbg(ql_dbg_user, vha, 0x7082,
1854                             "Registered for DIF/DIX type 1 and 3 protection.\n");
1855                         if (ql2xenabledif == 1)
1856                                 prot = SHOST_DIX_TYPE0_PROTECTION;
1857                         scsi_host_set_prot(vha->host,
1858                             prot | SHOST_DIF_TYPE1_PROTECTION
1859                             | SHOST_DIF_TYPE2_PROTECTION
1860                             | SHOST_DIF_TYPE3_PROTECTION
1861                             | SHOST_DIX_TYPE1_PROTECTION
1862                             | SHOST_DIX_TYPE2_PROTECTION
1863                             | SHOST_DIX_TYPE3_PROTECTION);
1864
1865                         guard = SHOST_DIX_GUARD_CRC;
1866
1867                         if (IS_PI_IPGUARD_CAPABLE(ha) &&
1868                             (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
1869                                 guard |= SHOST_DIX_GUARD_IP;
1870
1871                         scsi_host_set_guard(vha->host, guard);
1872                 } else
1873                         vha->flags.difdix_supported = 0;
1874         }
1875
1876         if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
1877                                    &ha->pdev->dev)) {
1878                 ql_dbg(ql_dbg_user, vha, 0x7083,
1879                     "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
1880                 goto vport_create_failed_2;
1881         }
1882
1883         /* initialize attributes */
1884         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
1885         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
1886         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
1887         fc_host_supported_classes(vha->host) =
1888                 fc_host_supported_classes(base_vha->host);
1889         fc_host_supported_speeds(vha->host) =
1890                 fc_host_supported_speeds(base_vha->host);
1891
1892         qlt_vport_create(vha, ha);
1893         qla24xx_vport_disable(fc_vport, disable);
1894
1895         if (ha->flags.cpu_affinity_enabled) {
1896                 req = ha->req_q_map[1];
1897                 ql_dbg(ql_dbg_multiq, vha, 0xc000,
1898                     "Request queue %p attached with "
1899                     "VP[%d], cpu affinity =%d\n",
1900                     req, vha->vp_idx, ha->flags.cpu_affinity_enabled);
1901                 goto vport_queue;
1902         } else if (ql2xmaxqueues == 1 || !ha->npiv_info)
1903                 goto vport_queue;
1904         /* Create a request queue in QoS mode for the vport */
1905         for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
1906                 if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
1907                         && memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
1908                                         8) == 0) {
1909                         qos = ha->npiv_info[cnt].q_qos;
1910                         break;
1911                 }
1912         }
1913
1914         if (qos) {
1915                 ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0,
1916                         qos);
1917                 if (!ret)
1918                         ql_log(ql_log_warn, vha, 0x7084,
1919                             "Can't create request queue for VP[%d]\n",
1920                             vha->vp_idx);
1921                 else {
1922                         ql_dbg(ql_dbg_multiq, vha, 0xc001,
1923                             "Request Que:%d Q0s: %d) created for VP[%d]\n",
1924                             ret, qos, vha->vp_idx);
1925                         ql_dbg(ql_dbg_user, vha, 0x7085,
1926                             "Request Que:%d Q0s: %d) created for VP[%d]\n",
1927                             ret, qos, vha->vp_idx);
1928                         req = ha->req_q_map[ret];
1929                 }
1930         }
1931
1932 vport_queue:
1933         vha->req = req;
1934         return 0;
1935
1936 vport_create_failed_2:
1937         qla24xx_disable_vp(vha);
1938         qla24xx_deallocate_vp_id(vha);
1939         scsi_host_put(vha->host);
1940         return FC_VPORT_FAILED;
1941 }
1942
1943 static int
1944 qla24xx_vport_delete(struct fc_vport *fc_vport)
1945 {
1946         scsi_qla_host_t *vha = fc_vport->dd_data;
1947         struct qla_hw_data *ha = vha->hw;
1948         uint16_t id = vha->vp_idx;
1949
1950         while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
1951             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
1952                 msleep(1000);
1953
1954         qla24xx_disable_vp(vha);
1955
1956         vha->flags.delete_progress = 1;
1957
1958         fc_remove_host(vha->host);
1959
1960         scsi_remove_host(vha->host);
1961
1962         /* Allow timer to run to drain queued items, when removing vp */
1963         qla24xx_deallocate_vp_id(vha);
1964
1965         if (vha->timer_active) {
1966                 qla2x00_vp_stop_timer(vha);
1967                 ql_dbg(ql_dbg_user, vha, 0x7086,
1968                     "Timer for the VP[%d] has stopped\n", vha->vp_idx);
1969         }
1970
1971         BUG_ON(atomic_read(&vha->vref_count));
1972
1973         qla2x00_free_fcports(vha);
1974
1975         mutex_lock(&ha->vport_lock);
1976         ha->cur_vport_count--;
1977         clear_bit(vha->vp_idx, ha->vp_idx_map);
1978         mutex_unlock(&ha->vport_lock);
1979
1980         if (vha->req->id && !ha->flags.cpu_affinity_enabled) {
1981                 if (qla25xx_delete_req_que(vha, vha->req) != QLA_SUCCESS)
1982                         ql_log(ql_log_warn, vha, 0x7087,
1983                             "Queue delete failed.\n");
1984         }
1985
1986         ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
1987         scsi_host_put(vha->host);
1988         return 0;
1989 }
1990
1991 static int
1992 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
1993 {
1994         scsi_qla_host_t *vha = fc_vport->dd_data;
1995
1996         if (disable)
1997                 qla24xx_disable_vp(vha);
1998         else
1999                 qla24xx_enable_vp(vha);
2000
2001         return 0;
2002 }
2003
2004 struct fc_function_template qla2xxx_transport_functions = {
2005
2006         .show_host_node_name = 1,
2007         .show_host_port_name = 1,
2008         .show_host_supported_classes = 1,
2009         .show_host_supported_speeds = 1,
2010
2011         .get_host_port_id = qla2x00_get_host_port_id,
2012         .show_host_port_id = 1,
2013         .get_host_speed = qla2x00_get_host_speed,
2014         .show_host_speed = 1,
2015         .get_host_port_type = qla2x00_get_host_port_type,
2016         .show_host_port_type = 1,
2017         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2018         .show_host_symbolic_name = 1,
2019         .set_host_system_hostname = qla2x00_set_host_system_hostname,
2020         .show_host_system_hostname = 1,
2021         .get_host_fabric_name = qla2x00_get_host_fabric_name,
2022         .show_host_fabric_name = 1,
2023         .get_host_port_state = qla2x00_get_host_port_state,
2024         .show_host_port_state = 1,
2025
2026         .dd_fcrport_size = sizeof(struct fc_port *),
2027         .show_rport_supported_classes = 1,
2028
2029         .get_starget_node_name = qla2x00_get_starget_node_name,
2030         .show_starget_node_name = 1,
2031         .get_starget_port_name = qla2x00_get_starget_port_name,
2032         .show_starget_port_name = 1,
2033         .get_starget_port_id  = qla2x00_get_starget_port_id,
2034         .show_starget_port_id = 1,
2035
2036         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2037         .show_rport_dev_loss_tmo = 1,
2038
2039         .issue_fc_host_lip = qla2x00_issue_lip,
2040         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2041         .terminate_rport_io = qla2x00_terminate_rport_io,
2042         .get_fc_host_stats = qla2x00_get_fc_host_stats,
2043
2044         .vport_create = qla24xx_vport_create,
2045         .vport_disable = qla24xx_vport_disable,
2046         .vport_delete = qla24xx_vport_delete,
2047         .bsg_request = qla24xx_bsg_request,
2048         .bsg_timeout = qla24xx_bsg_timeout,
2049 };
2050
2051 struct fc_function_template qla2xxx_transport_vport_functions = {
2052
2053         .show_host_node_name = 1,
2054         .show_host_port_name = 1,
2055         .show_host_supported_classes = 1,
2056
2057         .get_host_port_id = qla2x00_get_host_port_id,
2058         .show_host_port_id = 1,
2059         .get_host_speed = qla2x00_get_host_speed,
2060         .show_host_speed = 1,
2061         .get_host_port_type = qla2x00_get_host_port_type,
2062         .show_host_port_type = 1,
2063         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2064         .show_host_symbolic_name = 1,
2065         .set_host_system_hostname = qla2x00_set_host_system_hostname,
2066         .show_host_system_hostname = 1,
2067         .get_host_fabric_name = qla2x00_get_host_fabric_name,
2068         .show_host_fabric_name = 1,
2069         .get_host_port_state = qla2x00_get_host_port_state,
2070         .show_host_port_state = 1,
2071
2072         .dd_fcrport_size = sizeof(struct fc_port *),
2073         .show_rport_supported_classes = 1,
2074
2075         .get_starget_node_name = qla2x00_get_starget_node_name,
2076         .show_starget_node_name = 1,
2077         .get_starget_port_name = qla2x00_get_starget_port_name,
2078         .show_starget_port_name = 1,
2079         .get_starget_port_id  = qla2x00_get_starget_port_id,
2080         .show_starget_port_id = 1,
2081
2082         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2083         .show_rport_dev_loss_tmo = 1,
2084
2085         .issue_fc_host_lip = qla2x00_issue_lip,
2086         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2087         .terminate_rport_io = qla2x00_terminate_rport_io,
2088         .get_fc_host_stats = qla2x00_get_fc_host_stats,
2089         .bsg_request = qla24xx_bsg_request,
2090         .bsg_timeout = qla24xx_bsg_timeout,
2091 };
2092
2093 void
2094 qla2x00_init_host_attr(scsi_qla_host_t *vha)
2095 {
2096         struct qla_hw_data *ha = vha->hw;
2097         u32 speed = FC_PORTSPEED_UNKNOWN;
2098
2099         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2100         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2101         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2102         fc_host_supported_classes(vha->host) = ha->tgt.enable_class_2 ?
2103                         (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
2104         fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
2105         fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
2106
2107         if (IS_CNA_CAPABLE(ha))
2108                 speed = FC_PORTSPEED_10GBIT;
2109         else if (IS_QLA2031(ha))
2110                 speed = FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
2111                     FC_PORTSPEED_4GBIT;
2112         else if (IS_QLA25XX(ha))
2113                 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2114                     FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2115         else if (IS_QLA24XX_TYPE(ha))
2116                 speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
2117                     FC_PORTSPEED_1GBIT;
2118         else if (IS_QLA23XX(ha))
2119                 speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2120         else if (IS_QLAFX00(ha))
2121                 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2122                     FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2123         else
2124                 speed = FC_PORTSPEED_1GBIT;
2125         fc_host_supported_speeds(vha->host) = speed;
2126 }