Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / scsi / qla2xxx / qla_attr.c
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2014 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 #include "qla_target.h"
9
10 #include <linux/kthread.h>
11 #include <linux/vmalloc.h>
12 #include <linux/slab.h>
13 #include <linux/delay.h>
14
15 static int qla24xx_vport_disable(struct fc_vport *, bool);
16
17 /* SYSFS attributes --------------------------------------------------------- */
18
19 static ssize_t
20 qla2x00_sysfs_read_fw_dump(struct file *filp, struct kobject *kobj,
21                            struct bin_attribute *bin_attr,
22                            char *buf, loff_t off, size_t count)
23 {
24         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
25             struct device, kobj)));
26         struct qla_hw_data *ha = vha->hw;
27         int rval = 0;
28
29         if (!(ha->fw_dump_reading || ha->mctp_dump_reading))
30                 return 0;
31
32         if (IS_P3P_TYPE(ha)) {
33                 if (off < ha->md_template_size) {
34                         rval = memory_read_from_buffer(buf, count,
35                             &off, ha->md_tmplt_hdr, ha->md_template_size);
36                         return rval;
37                 }
38                 off -= ha->md_template_size;
39                 rval = memory_read_from_buffer(buf, count,
40                     &off, ha->md_dump, ha->md_dump_size);
41                 return rval;
42         } else if (ha->mctp_dumped && ha->mctp_dump_reading)
43                 return memory_read_from_buffer(buf, count, &off, ha->mctp_dump,
44                     MCTP_DUMP_SIZE);
45         else if (ha->fw_dump_reading)
46                 return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
47                                         ha->fw_dump_len);
48         else
49                 return 0;
50 }
51
52 static ssize_t
53 qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj,
54                             struct bin_attribute *bin_attr,
55                             char *buf, loff_t off, size_t count)
56 {
57         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
58             struct device, kobj)));
59         struct qla_hw_data *ha = vha->hw;
60         int reading;
61
62         if (off != 0)
63                 return (0);
64
65         reading = simple_strtol(buf, NULL, 10);
66         switch (reading) {
67         case 0:
68                 if (!ha->fw_dump_reading)
69                         break;
70
71                 ql_log(ql_log_info, vha, 0x705d,
72                     "Firmware dump cleared on (%ld).\n", vha->host_no);
73
74                 if (IS_P3P_TYPE(ha)) {
75                         qla82xx_md_free(vha);
76                         qla82xx_md_prep(vha);
77                 }
78                 ha->fw_dump_reading = 0;
79                 ha->fw_dumped = 0;
80                 break;
81         case 1:
82                 if (ha->fw_dumped && !ha->fw_dump_reading) {
83                         ha->fw_dump_reading = 1;
84
85                         ql_log(ql_log_info, vha, 0x705e,
86                             "Raw firmware dump ready for read on (%ld).\n",
87                             vha->host_no);
88                 }
89                 break;
90         case 2:
91                 qla2x00_alloc_fw_dump(vha);
92                 break;
93         case 3:
94                 if (IS_QLA82XX(ha)) {
95                         qla82xx_idc_lock(ha);
96                         qla82xx_set_reset_owner(vha);
97                         qla82xx_idc_unlock(ha);
98                 } else if (IS_QLA8044(ha)) {
99                         qla8044_idc_lock(ha);
100                         qla82xx_set_reset_owner(vha);
101                         qla8044_idc_unlock(ha);
102                 } else
103                         qla2x00_system_error(vha);
104                 break;
105         case 4:
106                 if (IS_P3P_TYPE(ha)) {
107                         if (ha->md_tmplt_hdr)
108                                 ql_dbg(ql_dbg_user, vha, 0x705b,
109                                     "MiniDump supported with this firmware.\n");
110                         else
111                                 ql_dbg(ql_dbg_user, vha, 0x709d,
112                                     "MiniDump not supported with this firmware.\n");
113                 }
114                 break;
115         case 5:
116                 if (IS_P3P_TYPE(ha))
117                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
118                 break;
119         case 6:
120                 if (!ha->mctp_dump_reading)
121                         break;
122                 ql_log(ql_log_info, vha, 0x70c1,
123                     "MCTP dump cleared on (%ld).\n", vha->host_no);
124                 ha->mctp_dump_reading = 0;
125                 ha->mctp_dumped = 0;
126                 break;
127         case 7:
128                 if (ha->mctp_dumped && !ha->mctp_dump_reading) {
129                         ha->mctp_dump_reading = 1;
130                         ql_log(ql_log_info, vha, 0x70c2,
131                             "Raw mctp dump ready for read on (%ld).\n",
132                             vha->host_no);
133                 }
134                 break;
135         }
136         return count;
137 }
138
139 static struct bin_attribute sysfs_fw_dump_attr = {
140         .attr = {
141                 .name = "fw_dump",
142                 .mode = S_IRUSR | S_IWUSR,
143         },
144         .size = 0,
145         .read = qla2x00_sysfs_read_fw_dump,
146         .write = qla2x00_sysfs_write_fw_dump,
147 };
148
149 static ssize_t
150 qla2x00_sysfs_read_fw_dump_template(struct file *filp, struct kobject *kobj,
151                            struct bin_attribute *bin_attr,
152                            char *buf, loff_t off, size_t count)
153 {
154         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
155             struct device, kobj)));
156         struct qla_hw_data *ha = vha->hw;
157
158         if (!ha->fw_dump_template || !ha->fw_dump_template_len)
159                 return 0;
160
161         ql_dbg(ql_dbg_user, vha, 0x70e2,
162             "chunk <- off=%llx count=%zx\n", off, count);
163         return memory_read_from_buffer(buf, count, &off,
164             ha->fw_dump_template, ha->fw_dump_template_len);
165 }
166
167 static ssize_t
168 qla2x00_sysfs_write_fw_dump_template(struct file *filp, struct kobject *kobj,
169                             struct bin_attribute *bin_attr,
170                             char *buf, loff_t off, size_t count)
171 {
172         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
173             struct device, kobj)));
174         struct qla_hw_data *ha = vha->hw;
175         uint32_t size;
176
177         if (off == 0) {
178                 if (ha->fw_dump)
179                         vfree(ha->fw_dump);
180                 if (ha->fw_dump_template)
181                         vfree(ha->fw_dump_template);
182
183                 ha->fw_dump = NULL;
184                 ha->fw_dump_len = 0;
185                 ha->fw_dump_template = NULL;
186                 ha->fw_dump_template_len = 0;
187
188                 size = qla27xx_fwdt_template_size(buf);
189                 ql_dbg(ql_dbg_user, vha, 0x70d1,
190                     "-> allocating fwdt (%x bytes)...\n", size);
191                 ha->fw_dump_template = vmalloc(size);
192                 if (!ha->fw_dump_template) {
193                         ql_log(ql_log_warn, vha, 0x70d2,
194                             "Failed allocate fwdt (%x bytes).\n", size);
195                         return -ENOMEM;
196                 }
197                 ha->fw_dump_template_len = size;
198         }
199
200         if (off + count > ha->fw_dump_template_len) {
201                 count = ha->fw_dump_template_len - off;
202                 ql_dbg(ql_dbg_user, vha, 0x70d3,
203                     "chunk -> truncating to %zx bytes.\n", count);
204         }
205
206         ql_dbg(ql_dbg_user, vha, 0x70d4,
207             "chunk -> off=%llx count=%zx\n", off, count);
208         memcpy(ha->fw_dump_template + off, buf, count);
209
210         if (off + count == ha->fw_dump_template_len) {
211                 size = qla27xx_fwdt_calculate_dump_size(vha);
212                 ql_dbg(ql_dbg_user, vha, 0x70d5,
213                     "-> allocating fwdump (%x bytes)...\n", size);
214                 ha->fw_dump = vmalloc(size);
215                 if (!ha->fw_dump) {
216                         ql_log(ql_log_warn, vha, 0x70d6,
217                             "Failed allocate fwdump (%x bytes).\n", size);
218                         return -ENOMEM;
219                 }
220                 ha->fw_dump_len = size;
221         }
222
223         return count;
224 }
225 static struct bin_attribute sysfs_fw_dump_template_attr = {
226         .attr = {
227                 .name = "fw_dump_template",
228                 .mode = S_IRUSR | S_IWUSR,
229         },
230         .size = 0,
231         .read = qla2x00_sysfs_read_fw_dump_template,
232         .write = qla2x00_sysfs_write_fw_dump_template,
233 };
234
235 static ssize_t
236 qla2x00_sysfs_read_nvram(struct file *filp, struct kobject *kobj,
237                          struct bin_attribute *bin_attr,
238                          char *buf, loff_t off, size_t count)
239 {
240         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
241             struct device, kobj)));
242         struct qla_hw_data *ha = vha->hw;
243
244         if (!capable(CAP_SYS_ADMIN))
245                 return 0;
246
247         if (IS_NOCACHE_VPD_TYPE(ha))
248                 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
249                     ha->nvram_size);
250         return memory_read_from_buffer(buf, count, &off, ha->nvram,
251                                         ha->nvram_size);
252 }
253
254 static ssize_t
255 qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
256                           struct bin_attribute *bin_attr,
257                           char *buf, loff_t off, size_t count)
258 {
259         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
260             struct device, kobj)));
261         struct qla_hw_data *ha = vha->hw;
262         uint16_t        cnt;
263
264         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
265             !ha->isp_ops->write_nvram)
266                 return -EINVAL;
267
268         /* Checksum NVRAM. */
269         if (IS_FWI2_CAPABLE(ha)) {
270                 uint32_t *iter;
271                 uint32_t chksum;
272
273                 iter = (uint32_t *)buf;
274                 chksum = 0;
275                 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
276                         chksum += le32_to_cpu(*iter++);
277                 chksum = ~chksum + 1;
278                 *iter = cpu_to_le32(chksum);
279         } else {
280                 uint8_t *iter;
281                 uint8_t chksum;
282
283                 iter = (uint8_t *)buf;
284                 chksum = 0;
285                 for (cnt = 0; cnt < count - 1; cnt++)
286                         chksum += *iter++;
287                 chksum = ~chksum + 1;
288                 *iter = chksum;
289         }
290
291         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
292                 ql_log(ql_log_warn, vha, 0x705f,
293                     "HBA not online, failing NVRAM update.\n");
294                 return -EAGAIN;
295         }
296
297         /* Write NVRAM. */
298         ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
299         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
300             count);
301
302         ql_dbg(ql_dbg_user, vha, 0x7060,
303             "Setting ISP_ABORT_NEEDED\n");
304         /* NVRAM settings take effect immediately. */
305         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
306         qla2xxx_wake_dpc(vha);
307         qla2x00_wait_for_chip_reset(vha);
308
309         return count;
310 }
311
312 static struct bin_attribute sysfs_nvram_attr = {
313         .attr = {
314                 .name = "nvram",
315                 .mode = S_IRUSR | S_IWUSR,
316         },
317         .size = 512,
318         .read = qla2x00_sysfs_read_nvram,
319         .write = qla2x00_sysfs_write_nvram,
320 };
321
322 static ssize_t
323 qla2x00_sysfs_read_optrom(struct file *filp, struct kobject *kobj,
324                           struct bin_attribute *bin_attr,
325                           char *buf, loff_t off, size_t count)
326 {
327         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
328             struct device, kobj)));
329         struct qla_hw_data *ha = vha->hw;
330         ssize_t rval = 0;
331
332         if (ha->optrom_state != QLA_SREADING)
333                 return 0;
334
335         mutex_lock(&ha->optrom_mutex);
336         rval = memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
337             ha->optrom_region_size);
338         mutex_unlock(&ha->optrom_mutex);
339
340         return rval;
341 }
342
343 static ssize_t
344 qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
345                            struct bin_attribute *bin_attr,
346                            char *buf, loff_t off, size_t count)
347 {
348         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
349             struct device, kobj)));
350         struct qla_hw_data *ha = vha->hw;
351
352         if (ha->optrom_state != QLA_SWRITING)
353                 return -EINVAL;
354         if (off > ha->optrom_region_size)
355                 return -ERANGE;
356         if (off + count > ha->optrom_region_size)
357                 count = ha->optrom_region_size - off;
358
359         mutex_lock(&ha->optrom_mutex);
360         memcpy(&ha->optrom_buffer[off], buf, count);
361         mutex_unlock(&ha->optrom_mutex);
362
363         return count;
364 }
365
366 static struct bin_attribute sysfs_optrom_attr = {
367         .attr = {
368                 .name = "optrom",
369                 .mode = S_IRUSR | S_IWUSR,
370         },
371         .size = 0,
372         .read = qla2x00_sysfs_read_optrom,
373         .write = qla2x00_sysfs_write_optrom,
374 };
375
376 static ssize_t
377 qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
378                                struct bin_attribute *bin_attr,
379                                char *buf, loff_t off, size_t count)
380 {
381         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
382             struct device, kobj)));
383         struct qla_hw_data *ha = vha->hw;
384         uint32_t start = 0;
385         uint32_t size = ha->optrom_size;
386         int val, valid;
387         ssize_t rval = count;
388
389         if (off)
390                 return -EINVAL;
391
392         if (unlikely(pci_channel_offline(ha->pdev)))
393                 return -EAGAIN;
394
395         if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
396                 return -EINVAL;
397         if (start > ha->optrom_size)
398                 return -EINVAL;
399
400         mutex_lock(&ha->optrom_mutex);
401         switch (val) {
402         case 0:
403                 if (ha->optrom_state != QLA_SREADING &&
404                     ha->optrom_state != QLA_SWRITING) {
405                         rval =  -EINVAL;
406                         goto out;
407                 }
408                 ha->optrom_state = QLA_SWAITING;
409
410                 ql_dbg(ql_dbg_user, vha, 0x7061,
411                     "Freeing flash region allocation -- 0x%x bytes.\n",
412                     ha->optrom_region_size);
413
414                 vfree(ha->optrom_buffer);
415                 ha->optrom_buffer = NULL;
416                 break;
417         case 1:
418                 if (ha->optrom_state != QLA_SWAITING) {
419                         rval = -EINVAL;
420                         goto out;
421                 }
422
423                 ha->optrom_region_start = start;
424                 ha->optrom_region_size = start + size > ha->optrom_size ?
425                     ha->optrom_size - start : size;
426
427                 ha->optrom_state = QLA_SREADING;
428                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
429                 if (ha->optrom_buffer == NULL) {
430                         ql_log(ql_log_warn, vha, 0x7062,
431                             "Unable to allocate memory for optrom retrieval "
432                             "(%x).\n", ha->optrom_region_size);
433
434                         ha->optrom_state = QLA_SWAITING;
435                         rval = -ENOMEM;
436                         goto out;
437                 }
438
439                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
440                         ql_log(ql_log_warn, vha, 0x7063,
441                             "HBA not online, failing NVRAM update.\n");
442                         rval = -EAGAIN;
443                         goto out;
444                 }
445
446                 ql_dbg(ql_dbg_user, vha, 0x7064,
447                     "Reading flash region -- 0x%x/0x%x.\n",
448                     ha->optrom_region_start, ha->optrom_region_size);
449
450                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
451                 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
452                     ha->optrom_region_start, ha->optrom_region_size);
453                 break;
454         case 2:
455                 if (ha->optrom_state != QLA_SWAITING) {
456                         rval = -EINVAL;
457                         goto out;
458                 }
459
460                 /*
461                  * We need to be more restrictive on which FLASH regions are
462                  * allowed to be updated via user-space.  Regions accessible
463                  * via this method include:
464                  *
465                  * ISP21xx/ISP22xx/ISP23xx type boards:
466                  *
467                  *      0x000000 -> 0x020000 -- Boot code.
468                  *
469                  * ISP2322/ISP24xx type boards:
470                  *
471                  *      0x000000 -> 0x07ffff -- Boot code.
472                  *      0x080000 -> 0x0fffff -- Firmware.
473                  *
474                  * ISP25xx type boards:
475                  *
476                  *      0x000000 -> 0x07ffff -- Boot code.
477                  *      0x080000 -> 0x0fffff -- Firmware.
478                  *      0x120000 -> 0x12ffff -- VPD and HBA parameters.
479                  */
480                 valid = 0;
481                 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
482                         valid = 1;
483                 else if (start == (ha->flt_region_boot * 4) ||
484                     start == (ha->flt_region_fw * 4))
485                         valid = 1;
486                 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)
487                         || IS_CNA_CAPABLE(ha) || IS_QLA2031(ha)
488                         || IS_QLA27XX(ha))
489                         valid = 1;
490                 if (!valid) {
491                         ql_log(ql_log_warn, vha, 0x7065,
492                             "Invalid start region 0x%x/0x%x.\n", start, size);
493                         rval = -EINVAL;
494                         goto out;
495                 }
496
497                 ha->optrom_region_start = start;
498                 ha->optrom_region_size = start + size > ha->optrom_size ?
499                     ha->optrom_size - start : size;
500
501                 ha->optrom_state = QLA_SWRITING;
502                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
503                 if (ha->optrom_buffer == NULL) {
504                         ql_log(ql_log_warn, vha, 0x7066,
505                             "Unable to allocate memory for optrom update "
506                             "(%x)\n", ha->optrom_region_size);
507
508                         ha->optrom_state = QLA_SWAITING;
509                         rval = -ENOMEM;
510                         goto out;
511                 }
512
513                 ql_dbg(ql_dbg_user, vha, 0x7067,
514                     "Staging flash region write -- 0x%x/0x%x.\n",
515                     ha->optrom_region_start, ha->optrom_region_size);
516
517                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
518                 break;
519         case 3:
520                 if (ha->optrom_state != QLA_SWRITING) {
521                         rval = -EINVAL;
522                         goto out;
523                 }
524
525                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
526                         ql_log(ql_log_warn, vha, 0x7068,
527                             "HBA not online, failing flash update.\n");
528                         rval = -EAGAIN;
529                         goto out;
530                 }
531
532                 ql_dbg(ql_dbg_user, vha, 0x7069,
533                     "Writing flash region -- 0x%x/0x%x.\n",
534                     ha->optrom_region_start, ha->optrom_region_size);
535
536                 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
537                     ha->optrom_region_start, ha->optrom_region_size);
538                 break;
539         default:
540                 rval = -EINVAL;
541         }
542
543 out:
544         mutex_unlock(&ha->optrom_mutex);
545         return rval;
546 }
547
548 static struct bin_attribute sysfs_optrom_ctl_attr = {
549         .attr = {
550                 .name = "optrom_ctl",
551                 .mode = S_IWUSR,
552         },
553         .size = 0,
554         .write = qla2x00_sysfs_write_optrom_ctl,
555 };
556
557 static ssize_t
558 qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
559                        struct bin_attribute *bin_attr,
560                        char *buf, loff_t off, size_t count)
561 {
562         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
563             struct device, kobj)));
564         struct qla_hw_data *ha = vha->hw;
565
566         if (unlikely(pci_channel_offline(ha->pdev)))
567                 return -EAGAIN;
568
569         if (!capable(CAP_SYS_ADMIN))
570                 return -EINVAL;
571
572         if (IS_NOCACHE_VPD_TYPE(ha))
573                 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
574                     ha->vpd_size);
575         return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
576 }
577
578 static ssize_t
579 qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
580                         struct bin_attribute *bin_attr,
581                         char *buf, loff_t off, size_t count)
582 {
583         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
584             struct device, kobj)));
585         struct qla_hw_data *ha = vha->hw;
586         uint8_t *tmp_data;
587
588         if (unlikely(pci_channel_offline(ha->pdev)))
589                 return 0;
590
591         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
592             !ha->isp_ops->write_nvram)
593                 return 0;
594
595         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
596                 ql_log(ql_log_warn, vha, 0x706a,
597                     "HBA not online, failing VPD update.\n");
598                 return -EAGAIN;
599         }
600
601         /* Write NVRAM. */
602         ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
603         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
604
605         /* Update flash version information for 4Gb & above. */
606         if (!IS_FWI2_CAPABLE(ha))
607                 return -EINVAL;
608
609         tmp_data = vmalloc(256);
610         if (!tmp_data) {
611                 ql_log(ql_log_warn, vha, 0x706b,
612                     "Unable to allocate memory for VPD information update.\n");
613                 return -ENOMEM;
614         }
615         ha->isp_ops->get_flash_version(vha, tmp_data);
616         vfree(tmp_data);
617
618         return count;
619 }
620
621 static struct bin_attribute sysfs_vpd_attr = {
622         .attr = {
623                 .name = "vpd",
624                 .mode = S_IRUSR | S_IWUSR,
625         },
626         .size = 0,
627         .read = qla2x00_sysfs_read_vpd,
628         .write = qla2x00_sysfs_write_vpd,
629 };
630
631 static ssize_t
632 qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
633                        struct bin_attribute *bin_attr,
634                        char *buf, loff_t off, size_t count)
635 {
636         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
637             struct device, kobj)));
638         struct qla_hw_data *ha = vha->hw;
639         uint16_t iter, addr, offset;
640         int rval;
641
642         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
643                 return 0;
644
645         if (ha->sfp_data)
646                 goto do_read;
647
648         ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
649             &ha->sfp_data_dma);
650         if (!ha->sfp_data) {
651                 ql_log(ql_log_warn, vha, 0x706c,
652                     "Unable to allocate memory for SFP read-data.\n");
653                 return 0;
654         }
655
656 do_read:
657         memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
658         addr = 0xa0;
659         for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
660             iter++, offset += SFP_BLOCK_SIZE) {
661                 if (iter == 4) {
662                         /* Skip to next device address. */
663                         addr = 0xa2;
664                         offset = 0;
665                 }
666
667                 rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, ha->sfp_data,
668                     addr, offset, SFP_BLOCK_SIZE, BIT_1);
669                 if (rval != QLA_SUCCESS) {
670                         ql_log(ql_log_warn, vha, 0x706d,
671                             "Unable to read SFP data (%x/%x/%x).\n", rval,
672                             addr, offset);
673
674                         return -EIO;
675                 }
676                 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
677                 buf += SFP_BLOCK_SIZE;
678         }
679
680         return count;
681 }
682
683 static struct bin_attribute sysfs_sfp_attr = {
684         .attr = {
685                 .name = "sfp",
686                 .mode = S_IRUSR | S_IWUSR,
687         },
688         .size = SFP_DEV_SIZE * 2,
689         .read = qla2x00_sysfs_read_sfp,
690 };
691
692 static ssize_t
693 qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
694                         struct bin_attribute *bin_attr,
695                         char *buf, loff_t off, size_t count)
696 {
697         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
698             struct device, kobj)));
699         struct qla_hw_data *ha = vha->hw;
700         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
701         int type;
702         uint32_t idc_control;
703         uint8_t *tmp_data = NULL;
704         if (off != 0)
705                 return -EINVAL;
706
707         type = simple_strtol(buf, NULL, 10);
708         switch (type) {
709         case 0x2025c:
710                 ql_log(ql_log_info, vha, 0x706e,
711                     "Issuing ISP reset.\n");
712
713                 scsi_block_requests(vha->host);
714                 if (IS_QLA82XX(ha)) {
715                         ha->flags.isp82xx_no_md_cap = 1;
716                         qla82xx_idc_lock(ha);
717                         qla82xx_set_reset_owner(vha);
718                         qla82xx_idc_unlock(ha);
719                 } else if (IS_QLA8044(ha)) {
720                         qla8044_idc_lock(ha);
721                         idc_control = qla8044_rd_reg(ha,
722                             QLA8044_IDC_DRV_CTRL);
723                         qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
724                             (idc_control | GRACEFUL_RESET_BIT1));
725                         qla82xx_set_reset_owner(vha);
726                         qla8044_idc_unlock(ha);
727                 } else {
728                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
729                         qla2xxx_wake_dpc(vha);
730                 }
731                 qla2x00_wait_for_chip_reset(vha);
732                 scsi_unblock_requests(vha->host);
733                 break;
734         case 0x2025d:
735                 if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
736                         return -EPERM;
737
738                 ql_log(ql_log_info, vha, 0x706f,
739                     "Issuing MPI reset.\n");
740
741                 if (IS_QLA83XX(ha)) {
742                         uint32_t idc_control;
743
744                         qla83xx_idc_lock(vha, 0);
745                         __qla83xx_get_idc_control(vha, &idc_control);
746                         idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
747                         __qla83xx_set_idc_control(vha, idc_control);
748                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
749                             QLA8XXX_DEV_NEED_RESET);
750                         qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
751                         qla83xx_idc_unlock(vha, 0);
752                         break;
753                 } else {
754                         /* Make sure FC side is not in reset */
755                         qla2x00_wait_for_hba_online(vha);
756
757                         /* Issue MPI reset */
758                         scsi_block_requests(vha->host);
759                         if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
760                                 ql_log(ql_log_warn, vha, 0x7070,
761                                     "MPI reset failed.\n");
762                         scsi_unblock_requests(vha->host);
763                         break;
764                 }
765         case 0x2025e:
766                 if (!IS_P3P_TYPE(ha) || vha != base_vha) {
767                         ql_log(ql_log_info, vha, 0x7071,
768                             "FCoE ctx reset no supported.\n");
769                         return -EPERM;
770                 }
771
772                 ql_log(ql_log_info, vha, 0x7072,
773                     "Issuing FCoE ctx reset.\n");
774                 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
775                 qla2xxx_wake_dpc(vha);
776                 qla2x00_wait_for_fcoe_ctx_reset(vha);
777                 break;
778         case 0x2025f:
779                 if (!IS_QLA8031(ha))
780                         return -EPERM;
781                 ql_log(ql_log_info, vha, 0x70bc,
782                     "Disabling Reset by IDC control\n");
783                 qla83xx_idc_lock(vha, 0);
784                 __qla83xx_get_idc_control(vha, &idc_control);
785                 idc_control |= QLA83XX_IDC_RESET_DISABLED;
786                 __qla83xx_set_idc_control(vha, idc_control);
787                 qla83xx_idc_unlock(vha, 0);
788                 break;
789         case 0x20260:
790                 if (!IS_QLA8031(ha))
791                         return -EPERM;
792                 ql_log(ql_log_info, vha, 0x70bd,
793                     "Enabling Reset by IDC control\n");
794                 qla83xx_idc_lock(vha, 0);
795                 __qla83xx_get_idc_control(vha, &idc_control);
796                 idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
797                 __qla83xx_set_idc_control(vha, idc_control);
798                 qla83xx_idc_unlock(vha, 0);
799                 break;
800         case 0x20261:
801                 ql_dbg(ql_dbg_user, vha, 0x70e0,
802                     "Updating cache versions without reset ");
803
804                 tmp_data = vmalloc(256);
805                 if (!tmp_data) {
806                         ql_log(ql_log_warn, vha, 0x70e1,
807                             "Unable to allocate memory for VPD information update.\n");
808                         return -ENOMEM;
809                 }
810                 ha->isp_ops->get_flash_version(vha, tmp_data);
811                 vfree(tmp_data);
812                 break;
813         }
814         return count;
815 }
816
817 static struct bin_attribute sysfs_reset_attr = {
818         .attr = {
819                 .name = "reset",
820                 .mode = S_IWUSR,
821         },
822         .size = 0,
823         .write = qla2x00_sysfs_write_reset,
824 };
825
826 static ssize_t
827 qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
828                        struct bin_attribute *bin_attr,
829                        char *buf, loff_t off, size_t count)
830 {
831         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
832             struct device, kobj)));
833         struct qla_hw_data *ha = vha->hw;
834         int rval;
835         uint16_t actual_size;
836
837         if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
838                 return 0;
839
840         if (ha->xgmac_data)
841                 goto do_read;
842
843         ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
844             &ha->xgmac_data_dma, GFP_KERNEL);
845         if (!ha->xgmac_data) {
846                 ql_log(ql_log_warn, vha, 0x7076,
847                     "Unable to allocate memory for XGMAC read-data.\n");
848                 return 0;
849         }
850
851 do_read:
852         actual_size = 0;
853         memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
854
855         rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
856             XGMAC_DATA_SIZE, &actual_size);
857         if (rval != QLA_SUCCESS) {
858                 ql_log(ql_log_warn, vha, 0x7077,
859                     "Unable to read XGMAC data (%x).\n", rval);
860                 count = 0;
861         }
862
863         count = actual_size > count ? count: actual_size;
864         memcpy(buf, ha->xgmac_data, count);
865
866         return count;
867 }
868
869 static struct bin_attribute sysfs_xgmac_stats_attr = {
870         .attr = {
871                 .name = "xgmac_stats",
872                 .mode = S_IRUSR,
873         },
874         .size = 0,
875         .read = qla2x00_sysfs_read_xgmac_stats,
876 };
877
878 static ssize_t
879 qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
880                        struct bin_attribute *bin_attr,
881                        char *buf, loff_t off, size_t count)
882 {
883         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
884             struct device, kobj)));
885         struct qla_hw_data *ha = vha->hw;
886         int rval;
887         uint16_t actual_size;
888
889         if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
890                 return 0;
891
892         if (ha->dcbx_tlv)
893                 goto do_read;
894
895         ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
896             &ha->dcbx_tlv_dma, GFP_KERNEL);
897         if (!ha->dcbx_tlv) {
898                 ql_log(ql_log_warn, vha, 0x7078,
899                     "Unable to allocate memory for DCBX TLV read-data.\n");
900                 return -ENOMEM;
901         }
902
903 do_read:
904         actual_size = 0;
905         memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
906
907         rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
908             DCBX_TLV_DATA_SIZE);
909         if (rval != QLA_SUCCESS) {
910                 ql_log(ql_log_warn, vha, 0x7079,
911                     "Unable to read DCBX TLV (%x).\n", rval);
912                 return -EIO;
913         }
914
915         memcpy(buf, ha->dcbx_tlv, count);
916
917         return count;
918 }
919
920 static struct bin_attribute sysfs_dcbx_tlv_attr = {
921         .attr = {
922                 .name = "dcbx_tlv",
923                 .mode = S_IRUSR,
924         },
925         .size = 0,
926         .read = qla2x00_sysfs_read_dcbx_tlv,
927 };
928
929 static struct sysfs_entry {
930         char *name;
931         struct bin_attribute *attr;
932         int is4GBp_only;
933 } bin_file_entries[] = {
934         { "fw_dump", &sysfs_fw_dump_attr, },
935         { "fw_dump_template", &sysfs_fw_dump_template_attr, 0x27 },
936         { "nvram", &sysfs_nvram_attr, },
937         { "optrom", &sysfs_optrom_attr, },
938         { "optrom_ctl", &sysfs_optrom_ctl_attr, },
939         { "vpd", &sysfs_vpd_attr, 1 },
940         { "sfp", &sysfs_sfp_attr, 1 },
941         { "reset", &sysfs_reset_attr, },
942         { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
943         { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
944         { NULL },
945 };
946
947 void
948 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
949 {
950         struct Scsi_Host *host = vha->host;
951         struct sysfs_entry *iter;
952         int ret;
953
954         for (iter = bin_file_entries; iter->name; iter++) {
955                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
956                         continue;
957                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
958                         continue;
959                 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
960                         continue;
961                 if (iter->is4GBp_only == 0x27 && !IS_QLA27XX(vha->hw))
962                         continue;
963
964                 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
965                     iter->attr);
966                 if (ret)
967                         ql_log(ql_log_warn, vha, 0x00f3,
968                             "Unable to create sysfs %s binary attribute (%d).\n",
969                             iter->name, ret);
970                 else
971                         ql_dbg(ql_dbg_init, vha, 0x00f4,
972                             "Successfully created sysfs %s binary attribure.\n",
973                             iter->name);
974         }
975 }
976
977 void
978 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
979 {
980         struct Scsi_Host *host = vha->host;
981         struct sysfs_entry *iter;
982         struct qla_hw_data *ha = vha->hw;
983
984         for (iter = bin_file_entries; iter->name; iter++) {
985                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
986                         continue;
987                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
988                         continue;
989                 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
990                         continue;
991                 if (iter->is4GBp_only == 0x27 && !IS_QLA27XX(vha->hw))
992                         continue;
993
994                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
995                     iter->attr);
996         }
997
998         if (stop_beacon && ha->beacon_blink_led == 1)
999                 ha->isp_ops->beacon_off(vha);
1000 }
1001
1002 /* Scsi_Host attributes. */
1003
1004 static ssize_t
1005 qla2x00_drvr_version_show(struct device *dev,
1006                           struct device_attribute *attr, char *buf)
1007 {
1008         return scnprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
1009 }
1010
1011 static ssize_t
1012 qla2x00_fw_version_show(struct device *dev,
1013                         struct device_attribute *attr, char *buf)
1014 {
1015         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1016         struct qla_hw_data *ha = vha->hw;
1017         char fw_str[128];
1018
1019         return scnprintf(buf, PAGE_SIZE, "%s\n",
1020             ha->isp_ops->fw_version_str(vha, fw_str, sizeof(fw_str)));
1021 }
1022
1023 static ssize_t
1024 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
1025                         char *buf)
1026 {
1027         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1028         struct qla_hw_data *ha = vha->hw;
1029         uint32_t sn;
1030
1031         if (IS_QLAFX00(vha->hw)) {
1032                 return scnprintf(buf, PAGE_SIZE, "%s\n",
1033                     vha->hw->mr.serial_num);
1034         } else if (IS_FWI2_CAPABLE(ha)) {
1035                 qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1);
1036                 return strlen(strcat(buf, "\n"));
1037         }
1038
1039         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1040         return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
1041             sn % 100000);
1042 }
1043
1044 static ssize_t
1045 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
1046                       char *buf)
1047 {
1048         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1049         return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
1050 }
1051
1052 static ssize_t
1053 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
1054                     char *buf)
1055 {
1056         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1057         struct qla_hw_data *ha = vha->hw;
1058
1059         if (IS_QLAFX00(vha->hw))
1060                 return scnprintf(buf, PAGE_SIZE, "%s\n",
1061                     vha->hw->mr.hw_version);
1062
1063         return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
1064             ha->product_id[0], ha->product_id[1], ha->product_id[2],
1065             ha->product_id[3]);
1066 }
1067
1068 static ssize_t
1069 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
1070                         char *buf)
1071 {
1072         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1073
1074         return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
1075 }
1076
1077 static ssize_t
1078 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
1079                         char *buf)
1080 {
1081         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1082         return scnprintf(buf, PAGE_SIZE, "%s\n",
1083             vha->hw->model_desc ? vha->hw->model_desc : "");
1084 }
1085
1086 static ssize_t
1087 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
1088                       char *buf)
1089 {
1090         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1091         char pci_info[30];
1092
1093         return scnprintf(buf, PAGE_SIZE, "%s\n",
1094             vha->hw->isp_ops->pci_info_str(vha, pci_info));
1095 }
1096
1097 static ssize_t
1098 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
1099                         char *buf)
1100 {
1101         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1102         struct qla_hw_data *ha = vha->hw;
1103         int len = 0;
1104
1105         if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
1106             atomic_read(&vha->loop_state) == LOOP_DEAD ||
1107             vha->device_flags & DFLG_NO_CABLE)
1108                 len = scnprintf(buf, PAGE_SIZE, "Link Down\n");
1109         else if (atomic_read(&vha->loop_state) != LOOP_READY ||
1110             qla2x00_reset_active(vha))
1111                 len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n");
1112         else {
1113                 len = scnprintf(buf, PAGE_SIZE, "Link Up - ");
1114
1115                 switch (ha->current_topology) {
1116                 case ISP_CFG_NL:
1117                         len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1118                         break;
1119                 case ISP_CFG_FL:
1120                         len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
1121                         break;
1122                 case ISP_CFG_N:
1123                         len += scnprintf(buf + len, PAGE_SIZE-len,
1124                             "N_Port to N_Port\n");
1125                         break;
1126                 case ISP_CFG_F:
1127                         len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
1128                         break;
1129                 default:
1130                         len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1131                         break;
1132                 }
1133         }
1134         return len;
1135 }
1136
1137 static ssize_t
1138 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
1139                  char *buf)
1140 {
1141         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1142         int len = 0;
1143
1144         switch (vha->hw->zio_mode) {
1145         case QLA_ZIO_MODE_6:
1146                 len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1147                 break;
1148         case QLA_ZIO_DISABLED:
1149                 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1150                 break;
1151         }
1152         return len;
1153 }
1154
1155 static ssize_t
1156 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1157                   const char *buf, size_t count)
1158 {
1159         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1160         struct qla_hw_data *ha = vha->hw;
1161         int val = 0;
1162         uint16_t zio_mode;
1163
1164         if (!IS_ZIO_SUPPORTED(ha))
1165                 return -ENOTSUPP;
1166
1167         if (sscanf(buf, "%d", &val) != 1)
1168                 return -EINVAL;
1169
1170         if (val)
1171                 zio_mode = QLA_ZIO_MODE_6;
1172         else
1173                 zio_mode = QLA_ZIO_DISABLED;
1174
1175         /* Update per-hba values and queue a reset. */
1176         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1177                 ha->zio_mode = zio_mode;
1178                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1179         }
1180         return strlen(buf);
1181 }
1182
1183 static ssize_t
1184 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1185                        char *buf)
1186 {
1187         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1188
1189         return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1190 }
1191
1192 static ssize_t
1193 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1194                         const char *buf, size_t count)
1195 {
1196         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1197         int val = 0;
1198         uint16_t zio_timer;
1199
1200         if (sscanf(buf, "%d", &val) != 1)
1201                 return -EINVAL;
1202         if (val > 25500 || val < 100)
1203                 return -ERANGE;
1204
1205         zio_timer = (uint16_t)(val / 100);
1206         vha->hw->zio_timer = zio_timer;
1207
1208         return strlen(buf);
1209 }
1210
1211 static ssize_t
1212 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1213                     char *buf)
1214 {
1215         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1216         int len = 0;
1217
1218         if (vha->hw->beacon_blink_led)
1219                 len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1220         else
1221                 len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1222         return len;
1223 }
1224
1225 static ssize_t
1226 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1227                      const char *buf, size_t count)
1228 {
1229         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1230         struct qla_hw_data *ha = vha->hw;
1231         int val = 0;
1232         int rval;
1233
1234         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1235                 return -EPERM;
1236
1237         if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
1238                 ql_log(ql_log_warn, vha, 0x707a,
1239                     "Abort ISP active -- ignoring beacon request.\n");
1240                 return -EBUSY;
1241         }
1242
1243         if (sscanf(buf, "%d", &val) != 1)
1244                 return -EINVAL;
1245
1246         if (val)
1247                 rval = ha->isp_ops->beacon_on(vha);
1248         else
1249                 rval = ha->isp_ops->beacon_off(vha);
1250
1251         if (rval != QLA_SUCCESS)
1252                 count = 0;
1253
1254         return count;
1255 }
1256
1257 static ssize_t
1258 qla2x00_optrom_bios_version_show(struct device *dev,
1259                                  struct device_attribute *attr, char *buf)
1260 {
1261         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1262         struct qla_hw_data *ha = vha->hw;
1263         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1264             ha->bios_revision[0]);
1265 }
1266
1267 static ssize_t
1268 qla2x00_optrom_efi_version_show(struct device *dev,
1269                                 struct device_attribute *attr, char *buf)
1270 {
1271         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1272         struct qla_hw_data *ha = vha->hw;
1273         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1274             ha->efi_revision[0]);
1275 }
1276
1277 static ssize_t
1278 qla2x00_optrom_fcode_version_show(struct device *dev,
1279                                   struct device_attribute *attr, char *buf)
1280 {
1281         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1282         struct qla_hw_data *ha = vha->hw;
1283         return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1284             ha->fcode_revision[0]);
1285 }
1286
1287 static ssize_t
1288 qla2x00_optrom_fw_version_show(struct device *dev,
1289                                struct device_attribute *attr, char *buf)
1290 {
1291         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1292         struct qla_hw_data *ha = vha->hw;
1293         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1294             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1295             ha->fw_revision[3]);
1296 }
1297
1298 static ssize_t
1299 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1300     struct device_attribute *attr, char *buf)
1301 {
1302         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1303         struct qla_hw_data *ha = vha->hw;
1304
1305         if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha) && !IS_QLA27XX(ha))
1306                 return scnprintf(buf, PAGE_SIZE, "\n");
1307
1308         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1309             ha->gold_fw_version[0], ha->gold_fw_version[1],
1310             ha->gold_fw_version[2], ha->gold_fw_version[3]);
1311 }
1312
1313 static ssize_t
1314 qla2x00_total_isp_aborts_show(struct device *dev,
1315                               struct device_attribute *attr, char *buf)
1316 {
1317         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1318         return scnprintf(buf, PAGE_SIZE, "%d\n",
1319             vha->qla_stats.total_isp_aborts);
1320 }
1321
1322 static ssize_t
1323 qla24xx_84xx_fw_version_show(struct device *dev,
1324         struct device_attribute *attr, char *buf)
1325 {
1326         int rval = QLA_SUCCESS;
1327         uint16_t status[2] = {0, 0};
1328         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1329         struct qla_hw_data *ha = vha->hw;
1330
1331         if (!IS_QLA84XX(ha))
1332                 return scnprintf(buf, PAGE_SIZE, "\n");
1333
1334         if (ha->cs84xx->op_fw_version == 0)
1335                 rval = qla84xx_verify_chip(vha, status);
1336
1337         if ((rval == QLA_SUCCESS) && (status[0] == 0))
1338                 return scnprintf(buf, PAGE_SIZE, "%u\n",
1339                         (uint32_t)ha->cs84xx->op_fw_version);
1340
1341         return scnprintf(buf, PAGE_SIZE, "\n");
1342 }
1343
1344 static ssize_t
1345 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1346     char *buf)
1347 {
1348         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1349         struct qla_hw_data *ha = vha->hw;
1350
1351         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
1352                 return scnprintf(buf, PAGE_SIZE, "\n");
1353
1354         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1355             ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1356             ha->mpi_capabilities);
1357 }
1358
1359 static ssize_t
1360 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1361     char *buf)
1362 {
1363         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1364         struct qla_hw_data *ha = vha->hw;
1365
1366         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1367                 return scnprintf(buf, PAGE_SIZE, "\n");
1368
1369         return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1370             ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1371 }
1372
1373 static ssize_t
1374 qla2x00_flash_block_size_show(struct device *dev,
1375                               struct device_attribute *attr, char *buf)
1376 {
1377         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1378         struct qla_hw_data *ha = vha->hw;
1379
1380         return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1381 }
1382
1383 static ssize_t
1384 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1385     char *buf)
1386 {
1387         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1388
1389         if (!IS_CNA_CAPABLE(vha->hw))
1390                 return scnprintf(buf, PAGE_SIZE, "\n");
1391
1392         return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1393 }
1394
1395 static ssize_t
1396 qla2x00_vn_port_mac_address_show(struct device *dev,
1397     struct device_attribute *attr, char *buf)
1398 {
1399         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1400
1401         if (!IS_CNA_CAPABLE(vha->hw))
1402                 return scnprintf(buf, PAGE_SIZE, "\n");
1403
1404         return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
1405 }
1406
1407 static ssize_t
1408 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1409     char *buf)
1410 {
1411         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1412
1413         return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1414 }
1415
1416 static ssize_t
1417 qla2x00_thermal_temp_show(struct device *dev,
1418         struct device_attribute *attr, char *buf)
1419 {
1420         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1421         uint16_t temp = 0;
1422
1423         if (qla2x00_reset_active(vha)) {
1424                 ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1425                 goto done;
1426         }
1427
1428         if (vha->hw->flags.eeh_busy) {
1429                 ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1430                 goto done;
1431         }
1432
1433         if (qla2x00_get_thermal_temp(vha, &temp) == QLA_SUCCESS)
1434                 return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
1435
1436 done:
1437         return scnprintf(buf, PAGE_SIZE, "\n");
1438 }
1439
1440 static ssize_t
1441 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1442     char *buf)
1443 {
1444         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1445         int rval = QLA_FUNCTION_FAILED;
1446         uint16_t state[6];
1447         uint32_t pstate;
1448
1449         if (IS_QLAFX00(vha->hw)) {
1450                 pstate = qlafx00_fw_state_show(dev, attr, buf);
1451                 return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1452         }
1453
1454         if (qla2x00_reset_active(vha))
1455                 ql_log(ql_log_warn, vha, 0x707c,
1456                     "ISP reset active.\n");
1457         else if (!vha->hw->flags.eeh_busy)
1458                 rval = qla2x00_get_firmware_state(vha, state);
1459         if (rval != QLA_SUCCESS)
1460                 memset(state, -1, sizeof(state));
1461
1462         return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1463             state[0], state[1], state[2], state[3], state[4], state[5]);
1464 }
1465
1466 static ssize_t
1467 qla2x00_diag_requests_show(struct device *dev,
1468         struct device_attribute *attr, char *buf)
1469 {
1470         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1471
1472         if (!IS_BIDI_CAPABLE(vha->hw))
1473                 return scnprintf(buf, PAGE_SIZE, "\n");
1474
1475         return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1476 }
1477
1478 static ssize_t
1479 qla2x00_diag_megabytes_show(struct device *dev,
1480         struct device_attribute *attr, char *buf)
1481 {
1482         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1483
1484         if (!IS_BIDI_CAPABLE(vha->hw))
1485                 return scnprintf(buf, PAGE_SIZE, "\n");
1486
1487         return scnprintf(buf, PAGE_SIZE, "%llu\n",
1488             vha->bidi_stats.transfer_bytes >> 20);
1489 }
1490
1491 static ssize_t
1492 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1493         char *buf)
1494 {
1495         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1496         struct qla_hw_data *ha = vha->hw;
1497         uint32_t size;
1498
1499         if (!ha->fw_dumped)
1500                 size = 0;
1501         else if (IS_P3P_TYPE(ha))
1502                 size = ha->md_template_size + ha->md_dump_size;
1503         else
1504                 size = ha->fw_dump_len;
1505
1506         return scnprintf(buf, PAGE_SIZE, "%d\n", size);
1507 }
1508
1509 static ssize_t
1510 qla2x00_allow_cna_fw_dump_show(struct device *dev,
1511         struct device_attribute *attr, char *buf)
1512 {
1513         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1514
1515         if (!IS_P3P_TYPE(vha->hw))
1516                 return scnprintf(buf, PAGE_SIZE, "\n");
1517         else
1518                 return scnprintf(buf, PAGE_SIZE, "%s\n",
1519                     vha->hw->allow_cna_fw_dump ? "true" : "false");
1520 }
1521
1522 static ssize_t
1523 qla2x00_allow_cna_fw_dump_store(struct device *dev,
1524         struct device_attribute *attr, const char *buf, size_t count)
1525 {
1526         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1527         int val = 0;
1528
1529         if (!IS_P3P_TYPE(vha->hw))
1530                 return -EINVAL;
1531
1532         if (sscanf(buf, "%d", &val) != 1)
1533                 return -EINVAL;
1534
1535         vha->hw->allow_cna_fw_dump = val != 0;
1536
1537         return strlen(buf);
1538 }
1539
1540 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
1541 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
1542 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
1543 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
1544 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
1545 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
1546 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
1547 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
1548 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
1549 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
1550 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
1551                    qla2x00_zio_timer_store);
1552 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
1553                    qla2x00_beacon_store);
1554 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
1555                    qla2x00_optrom_bios_version_show, NULL);
1556 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
1557                    qla2x00_optrom_efi_version_show, NULL);
1558 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
1559                    qla2x00_optrom_fcode_version_show, NULL);
1560 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
1561                    NULL);
1562 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
1563     qla2x00_optrom_gold_fw_version_show, NULL);
1564 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
1565                    NULL);
1566 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
1567                    NULL);
1568 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
1569 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
1570 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
1571                    NULL);
1572 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
1573 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
1574                    qla2x00_vn_port_mac_address_show, NULL);
1575 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
1576 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
1577 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
1578 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
1579 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
1580 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
1581 static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR,
1582                    qla2x00_allow_cna_fw_dump_show,
1583                    qla2x00_allow_cna_fw_dump_store);
1584
1585 struct device_attribute *qla2x00_host_attrs[] = {
1586         &dev_attr_driver_version,
1587         &dev_attr_fw_version,
1588         &dev_attr_serial_num,
1589         &dev_attr_isp_name,
1590         &dev_attr_isp_id,
1591         &dev_attr_model_name,
1592         &dev_attr_model_desc,
1593         &dev_attr_pci_info,
1594         &dev_attr_link_state,
1595         &dev_attr_zio,
1596         &dev_attr_zio_timer,
1597         &dev_attr_beacon,
1598         &dev_attr_optrom_bios_version,
1599         &dev_attr_optrom_efi_version,
1600         &dev_attr_optrom_fcode_version,
1601         &dev_attr_optrom_fw_version,
1602         &dev_attr_84xx_fw_version,
1603         &dev_attr_total_isp_aborts,
1604         &dev_attr_mpi_version,
1605         &dev_attr_phy_version,
1606         &dev_attr_flash_block_size,
1607         &dev_attr_vlan_id,
1608         &dev_attr_vn_port_mac_address,
1609         &dev_attr_fabric_param,
1610         &dev_attr_fw_state,
1611         &dev_attr_optrom_gold_fw_version,
1612         &dev_attr_thermal_temp,
1613         &dev_attr_diag_requests,
1614         &dev_attr_diag_megabytes,
1615         &dev_attr_fw_dump_size,
1616         &dev_attr_allow_cna_fw_dump,
1617         NULL,
1618 };
1619
1620 /* Host attributes. */
1621
1622 static void
1623 qla2x00_get_host_port_id(struct Scsi_Host *shost)
1624 {
1625         scsi_qla_host_t *vha = shost_priv(shost);
1626
1627         fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
1628             vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
1629 }
1630
1631 static void
1632 qla2x00_get_host_speed(struct Scsi_Host *shost)
1633 {
1634         struct qla_hw_data *ha = ((struct scsi_qla_host *)
1635                                         (shost_priv(shost)))->hw;
1636         u32 speed = FC_PORTSPEED_UNKNOWN;
1637
1638         if (IS_QLAFX00(ha)) {
1639                 qlafx00_get_host_speed(shost);
1640                 return;
1641         }
1642
1643         switch (ha->link_data_rate) {
1644         case PORT_SPEED_1GB:
1645                 speed = FC_PORTSPEED_1GBIT;
1646                 break;
1647         case PORT_SPEED_2GB:
1648                 speed = FC_PORTSPEED_2GBIT;
1649                 break;
1650         case PORT_SPEED_4GB:
1651                 speed = FC_PORTSPEED_4GBIT;
1652                 break;
1653         case PORT_SPEED_8GB:
1654                 speed = FC_PORTSPEED_8GBIT;
1655                 break;
1656         case PORT_SPEED_10GB:
1657                 speed = FC_PORTSPEED_10GBIT;
1658                 break;
1659         case PORT_SPEED_16GB:
1660                 speed = FC_PORTSPEED_16GBIT;
1661                 break;
1662         case PORT_SPEED_32GB:
1663                 speed = FC_PORTSPEED_32GBIT;
1664                 break;
1665         }
1666         fc_host_speed(shost) = speed;
1667 }
1668
1669 static void
1670 qla2x00_get_host_port_type(struct Scsi_Host *shost)
1671 {
1672         scsi_qla_host_t *vha = shost_priv(shost);
1673         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
1674
1675         if (vha->vp_idx) {
1676                 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1677                 return;
1678         }
1679         switch (vha->hw->current_topology) {
1680         case ISP_CFG_NL:
1681                 port_type = FC_PORTTYPE_LPORT;
1682                 break;
1683         case ISP_CFG_FL:
1684                 port_type = FC_PORTTYPE_NLPORT;
1685                 break;
1686         case ISP_CFG_N:
1687                 port_type = FC_PORTTYPE_PTP;
1688                 break;
1689         case ISP_CFG_F:
1690                 port_type = FC_PORTTYPE_NPORT;
1691                 break;
1692         }
1693         fc_host_port_type(shost) = port_type;
1694 }
1695
1696 static void
1697 qla2x00_get_starget_node_name(struct scsi_target *starget)
1698 {
1699         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1700         scsi_qla_host_t *vha = shost_priv(host);
1701         fc_port_t *fcport;
1702         u64 node_name = 0;
1703
1704         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1705                 if (fcport->rport &&
1706                     starget->id == fcport->rport->scsi_target_id) {
1707                         node_name = wwn_to_u64(fcport->node_name);
1708                         break;
1709                 }
1710         }
1711
1712         fc_starget_node_name(starget) = node_name;
1713 }
1714
1715 static void
1716 qla2x00_get_starget_port_name(struct scsi_target *starget)
1717 {
1718         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1719         scsi_qla_host_t *vha = shost_priv(host);
1720         fc_port_t *fcport;
1721         u64 port_name = 0;
1722
1723         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1724                 if (fcport->rport &&
1725                     starget->id == fcport->rport->scsi_target_id) {
1726                         port_name = wwn_to_u64(fcport->port_name);
1727                         break;
1728                 }
1729         }
1730
1731         fc_starget_port_name(starget) = port_name;
1732 }
1733
1734 static void
1735 qla2x00_get_starget_port_id(struct scsi_target *starget)
1736 {
1737         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1738         scsi_qla_host_t *vha = shost_priv(host);
1739         fc_port_t *fcport;
1740         uint32_t port_id = ~0U;
1741
1742         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1743                 if (fcport->rport &&
1744                     starget->id == fcport->rport->scsi_target_id) {
1745                         port_id = fcport->d_id.b.domain << 16 |
1746                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
1747                         break;
1748                 }
1749         }
1750
1751         fc_starget_port_id(starget) = port_id;
1752 }
1753
1754 static void
1755 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1756 {
1757         if (timeout)
1758                 rport->dev_loss_tmo = timeout;
1759         else
1760                 rport->dev_loss_tmo = 1;
1761 }
1762
1763 static void
1764 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
1765 {
1766         struct Scsi_Host *host = rport_to_shost(rport);
1767         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1768         unsigned long flags;
1769
1770         if (!fcport)
1771                 return;
1772
1773         /* Now that the rport has been deleted, set the fcport state to
1774            FCS_DEVICE_DEAD */
1775         qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
1776
1777         /*
1778          * Transport has effectively 'deleted' the rport, clear
1779          * all local references.
1780          */
1781         spin_lock_irqsave(host->host_lock, flags);
1782         fcport->rport = fcport->drport = NULL;
1783         *((fc_port_t **)rport->dd_data) = NULL;
1784         spin_unlock_irqrestore(host->host_lock, flags);
1785
1786         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1787                 return;
1788
1789         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1790                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1791                 return;
1792         }
1793 }
1794
1795 static void
1796 qla2x00_terminate_rport_io(struct fc_rport *rport)
1797 {
1798         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1799
1800         if (!fcport)
1801                 return;
1802
1803         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1804                 return;
1805
1806         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1807                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1808                 return;
1809         }
1810         /*
1811          * At this point all fcport's software-states are cleared.  Perform any
1812          * final cleanup of firmware resources (PCBs and XCBs).
1813          */
1814         if (fcport->loop_id != FC_NO_LOOP_ID) {
1815                 if (IS_FWI2_CAPABLE(fcport->vha->hw))
1816                         fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
1817                             fcport->loop_id, fcport->d_id.b.domain,
1818                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
1819                 else
1820                         qla2x00_port_logout(fcport->vha, fcport);
1821         }
1822 }
1823
1824 static int
1825 qla2x00_issue_lip(struct Scsi_Host *shost)
1826 {
1827         scsi_qla_host_t *vha = shost_priv(shost);
1828
1829         if (IS_QLAFX00(vha->hw))
1830                 return 0;
1831
1832         qla2x00_loop_reset(vha);
1833         return 0;
1834 }
1835
1836 static struct fc_host_statistics *
1837 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1838 {
1839         scsi_qla_host_t *vha = shost_priv(shost);
1840         struct qla_hw_data *ha = vha->hw;
1841         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1842         int rval;
1843         struct link_statistics *stats;
1844         dma_addr_t stats_dma;
1845         struct fc_host_statistics *pfc_host_stat;
1846
1847         pfc_host_stat = &vha->fc_host_stat;
1848         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
1849
1850         if (IS_QLAFX00(vha->hw))
1851                 goto done;
1852
1853         if (test_bit(UNLOADING, &vha->dpc_flags))
1854                 goto done;
1855
1856         if (unlikely(pci_channel_offline(ha->pdev)))
1857                 goto done;
1858
1859         if (qla2x00_reset_active(vha))
1860                 goto done;
1861
1862         stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
1863         if (stats == NULL) {
1864                 ql_log(ql_log_warn, vha, 0x707d,
1865                     "Failed to allocate memory for stats.\n");
1866                 goto done;
1867         }
1868         memset(stats, 0, DMA_POOL_SIZE);
1869
1870         rval = QLA_FUNCTION_FAILED;
1871         if (IS_FWI2_CAPABLE(ha)) {
1872                 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
1873         } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
1874             !ha->dpc_active) {
1875                 /* Must be in a 'READY' state for statistics retrieval. */
1876                 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
1877                                                 stats, stats_dma);
1878         }
1879
1880         if (rval != QLA_SUCCESS)
1881                 goto done_free;
1882
1883         pfc_host_stat->link_failure_count = stats->link_fail_cnt;
1884         pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt;
1885         pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt;
1886         pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
1887         pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt;
1888         pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt;
1889         if (IS_FWI2_CAPABLE(ha)) {
1890                 pfc_host_stat->lip_count = stats->lip_cnt;
1891                 pfc_host_stat->tx_frames = stats->tx_frames;
1892                 pfc_host_stat->rx_frames = stats->rx_frames;
1893                 pfc_host_stat->dumped_frames = stats->discarded_frames;
1894                 pfc_host_stat->nos_count = stats->nos_rcvd;
1895                 pfc_host_stat->error_frames =
1896                         stats->dropped_frames + stats->discarded_frames;
1897                 pfc_host_stat->rx_words = vha->qla_stats.input_bytes;
1898                 pfc_host_stat->tx_words = vha->qla_stats.output_bytes;
1899         }
1900         pfc_host_stat->fcp_control_requests = vha->qla_stats.control_requests;
1901         pfc_host_stat->fcp_input_requests = vha->qla_stats.input_requests;
1902         pfc_host_stat->fcp_output_requests = vha->qla_stats.output_requests;
1903         pfc_host_stat->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
1904         pfc_host_stat->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
1905         pfc_host_stat->seconds_since_last_reset =
1906                 get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
1907         do_div(pfc_host_stat->seconds_since_last_reset, HZ);
1908
1909 done_free:
1910         dma_pool_free(ha->s_dma_pool, stats, stats_dma);
1911 done:
1912         return pfc_host_stat;
1913 }
1914
1915 static void
1916 qla2x00_reset_host_stats(struct Scsi_Host *shost)
1917 {
1918         scsi_qla_host_t *vha = shost_priv(shost);
1919
1920         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
1921
1922         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
1923 }
1924
1925 static void
1926 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
1927 {
1928         scsi_qla_host_t *vha = shost_priv(shost);
1929
1930         qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost),
1931             sizeof(fc_host_symbolic_name(shost)));
1932 }
1933
1934 static void
1935 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
1936 {
1937         scsi_qla_host_t *vha = shost_priv(shost);
1938
1939         set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1940 }
1941
1942 static void
1943 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
1944 {
1945         scsi_qla_host_t *vha = shost_priv(shost);
1946         uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
1947                 0xFF, 0xFF, 0xFF, 0xFF};
1948         u64 fabric_name = wwn_to_u64(node_name);
1949
1950         if (vha->device_flags & SWITCH_FOUND)
1951                 fabric_name = wwn_to_u64(vha->fabric_node_name);
1952
1953         fc_host_fabric_name(shost) = fabric_name;
1954 }
1955
1956 static void
1957 qla2x00_get_host_port_state(struct Scsi_Host *shost)
1958 {
1959         scsi_qla_host_t *vha = shost_priv(shost);
1960         struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
1961
1962         if (!base_vha->flags.online) {
1963                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1964                 return;
1965         }
1966
1967         switch (atomic_read(&base_vha->loop_state)) {
1968         case LOOP_UPDATE:
1969                 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1970                 break;
1971         case LOOP_DOWN:
1972                 if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
1973                         fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1974                 else
1975                         fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1976                 break;
1977         case LOOP_DEAD:
1978                 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1979                 break;
1980         case LOOP_READY:
1981                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1982                 break;
1983         default:
1984                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1985                 break;
1986         }
1987 }
1988
1989 static int
1990 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
1991 {
1992         int     ret = 0;
1993         uint8_t qos = 0;
1994         scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
1995         scsi_qla_host_t *vha = NULL;
1996         struct qla_hw_data *ha = base_vha->hw;
1997         uint16_t options = 0;
1998         int     cnt;
1999         struct req_que *req = ha->req_q_map[0];
2000
2001         ret = qla24xx_vport_create_req_sanity_check(fc_vport);
2002         if (ret) {
2003                 ql_log(ql_log_warn, vha, 0x707e,
2004                     "Vport sanity check failed, status %x\n", ret);
2005                 return (ret);
2006         }
2007
2008         vha = qla24xx_create_vhost(fc_vport);
2009         if (vha == NULL) {
2010                 ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
2011                 return FC_VPORT_FAILED;
2012         }
2013         if (disable) {
2014                 atomic_set(&vha->vp_state, VP_OFFLINE);
2015                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
2016         } else
2017                 atomic_set(&vha->vp_state, VP_FAILED);
2018
2019         /* ready to create vport */
2020         ql_log(ql_log_info, vha, 0x7080,
2021             "VP entry id %d assigned.\n", vha->vp_idx);
2022
2023         /* initialized vport states */
2024         atomic_set(&vha->loop_state, LOOP_DOWN);
2025         vha->vp_err_state=  VP_ERR_PORTDWN;
2026         vha->vp_prev_err_state=  VP_ERR_UNKWN;
2027         /* Check if physical ha port is Up */
2028         if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
2029             atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
2030                 /* Don't retry or attempt login of this virtual port */
2031                 ql_dbg(ql_dbg_user, vha, 0x7081,
2032                     "Vport loop state is not UP.\n");
2033                 atomic_set(&vha->loop_state, LOOP_DEAD);
2034                 if (!disable)
2035                         fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
2036         }
2037
2038         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2039                 if (ha->fw_attributes & BIT_4) {
2040                         int prot = 0, guard;
2041                         vha->flags.difdix_supported = 1;
2042                         ql_dbg(ql_dbg_user, vha, 0x7082,
2043                             "Registered for DIF/DIX type 1 and 3 protection.\n");
2044                         if (ql2xenabledif == 1)
2045                                 prot = SHOST_DIX_TYPE0_PROTECTION;
2046                         scsi_host_set_prot(vha->host,
2047                             prot | SHOST_DIF_TYPE1_PROTECTION
2048                             | SHOST_DIF_TYPE2_PROTECTION
2049                             | SHOST_DIF_TYPE3_PROTECTION
2050                             | SHOST_DIX_TYPE1_PROTECTION
2051                             | SHOST_DIX_TYPE2_PROTECTION
2052                             | SHOST_DIX_TYPE3_PROTECTION);
2053
2054                         guard = SHOST_DIX_GUARD_CRC;
2055
2056                         if (IS_PI_IPGUARD_CAPABLE(ha) &&
2057                             (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2058                                 guard |= SHOST_DIX_GUARD_IP;
2059
2060                         scsi_host_set_guard(vha->host, guard);
2061                 } else
2062                         vha->flags.difdix_supported = 0;
2063         }
2064
2065         if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
2066                                    &ha->pdev->dev)) {
2067                 ql_dbg(ql_dbg_user, vha, 0x7083,
2068                     "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
2069                 goto vport_create_failed_2;
2070         }
2071
2072         /* initialize attributes */
2073         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2074         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2075         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2076         fc_host_supported_classes(vha->host) =
2077                 fc_host_supported_classes(base_vha->host);
2078         fc_host_supported_speeds(vha->host) =
2079                 fc_host_supported_speeds(base_vha->host);
2080
2081         qlt_vport_create(vha, ha);
2082         qla24xx_vport_disable(fc_vport, disable);
2083
2084         if (ha->flags.cpu_affinity_enabled) {
2085                 req = ha->req_q_map[1];
2086                 ql_dbg(ql_dbg_multiq, vha, 0xc000,
2087                     "Request queue %p attached with "
2088                     "VP[%d], cpu affinity =%d\n",
2089                     req, vha->vp_idx, ha->flags.cpu_affinity_enabled);
2090                 goto vport_queue;
2091         } else if (ql2xmaxqueues == 1 || !ha->npiv_info)
2092                 goto vport_queue;
2093         /* Create a request queue in QoS mode for the vport */
2094         for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
2095                 if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
2096                         && memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
2097                                         8) == 0) {
2098                         qos = ha->npiv_info[cnt].q_qos;
2099                         break;
2100                 }
2101         }
2102
2103         if (qos) {
2104                 ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0,
2105                         qos);
2106                 if (!ret)
2107                         ql_log(ql_log_warn, vha, 0x7084,
2108                             "Can't create request queue for VP[%d]\n",
2109                             vha->vp_idx);
2110                 else {
2111                         ql_dbg(ql_dbg_multiq, vha, 0xc001,
2112                             "Request Que:%d Q0s: %d) created for VP[%d]\n",
2113                             ret, qos, vha->vp_idx);
2114                         ql_dbg(ql_dbg_user, vha, 0x7085,
2115                             "Request Que:%d Q0s: %d) created for VP[%d]\n",
2116                             ret, qos, vha->vp_idx);
2117                         req = ha->req_q_map[ret];
2118                 }
2119         }
2120
2121 vport_queue:
2122         vha->req = req;
2123         return 0;
2124
2125 vport_create_failed_2:
2126         qla24xx_disable_vp(vha);
2127         qla24xx_deallocate_vp_id(vha);
2128         scsi_host_put(vha->host);
2129         return FC_VPORT_FAILED;
2130 }
2131
2132 static int
2133 qla24xx_vport_delete(struct fc_vport *fc_vport)
2134 {
2135         scsi_qla_host_t *vha = fc_vport->dd_data;
2136         struct qla_hw_data *ha = vha->hw;
2137         uint16_t id = vha->vp_idx;
2138
2139         while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
2140             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
2141                 msleep(1000);
2142
2143         qla24xx_disable_vp(vha);
2144
2145         vha->flags.delete_progress = 1;
2146
2147         qlt_remove_target(ha, vha);
2148
2149         fc_remove_host(vha->host);
2150
2151         scsi_remove_host(vha->host);
2152
2153         /* Allow timer to run to drain queued items, when removing vp */
2154         qla24xx_deallocate_vp_id(vha);
2155
2156         if (vha->timer_active) {
2157                 qla2x00_vp_stop_timer(vha);
2158                 ql_dbg(ql_dbg_user, vha, 0x7086,
2159                     "Timer for the VP[%d] has stopped\n", vha->vp_idx);
2160         }
2161
2162         BUG_ON(atomic_read(&vha->vref_count));
2163
2164         qla2x00_free_fcports(vha);
2165
2166         mutex_lock(&ha->vport_lock);
2167         ha->cur_vport_count--;
2168         clear_bit(vha->vp_idx, ha->vp_idx_map);
2169         mutex_unlock(&ha->vport_lock);
2170
2171         if (vha->req->id && !ha->flags.cpu_affinity_enabled) {
2172                 if (qla25xx_delete_req_que(vha, vha->req) != QLA_SUCCESS)
2173                         ql_log(ql_log_warn, vha, 0x7087,
2174                             "Queue delete failed.\n");
2175         }
2176
2177         ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
2178         scsi_host_put(vha->host);
2179         return 0;
2180 }
2181
2182 static int
2183 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
2184 {
2185         scsi_qla_host_t *vha = fc_vport->dd_data;
2186
2187         if (disable)
2188                 qla24xx_disable_vp(vha);
2189         else
2190                 qla24xx_enable_vp(vha);
2191
2192         return 0;
2193 }
2194
2195 struct fc_function_template qla2xxx_transport_functions = {
2196
2197         .show_host_node_name = 1,
2198         .show_host_port_name = 1,
2199         .show_host_supported_classes = 1,
2200         .show_host_supported_speeds = 1,
2201
2202         .get_host_port_id = qla2x00_get_host_port_id,
2203         .show_host_port_id = 1,
2204         .get_host_speed = qla2x00_get_host_speed,
2205         .show_host_speed = 1,
2206         .get_host_port_type = qla2x00_get_host_port_type,
2207         .show_host_port_type = 1,
2208         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2209         .show_host_symbolic_name = 1,
2210         .set_host_system_hostname = qla2x00_set_host_system_hostname,
2211         .show_host_system_hostname = 1,
2212         .get_host_fabric_name = qla2x00_get_host_fabric_name,
2213         .show_host_fabric_name = 1,
2214         .get_host_port_state = qla2x00_get_host_port_state,
2215         .show_host_port_state = 1,
2216
2217         .dd_fcrport_size = sizeof(struct fc_port *),
2218         .show_rport_supported_classes = 1,
2219
2220         .get_starget_node_name = qla2x00_get_starget_node_name,
2221         .show_starget_node_name = 1,
2222         .get_starget_port_name = qla2x00_get_starget_port_name,
2223         .show_starget_port_name = 1,
2224         .get_starget_port_id  = qla2x00_get_starget_port_id,
2225         .show_starget_port_id = 1,
2226
2227         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2228         .show_rport_dev_loss_tmo = 1,
2229
2230         .issue_fc_host_lip = qla2x00_issue_lip,
2231         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2232         .terminate_rport_io = qla2x00_terminate_rport_io,
2233         .get_fc_host_stats = qla2x00_get_fc_host_stats,
2234         .reset_fc_host_stats = qla2x00_reset_host_stats,
2235
2236         .vport_create = qla24xx_vport_create,
2237         .vport_disable = qla24xx_vport_disable,
2238         .vport_delete = qla24xx_vport_delete,
2239         .bsg_request = qla24xx_bsg_request,
2240         .bsg_timeout = qla24xx_bsg_timeout,
2241 };
2242
2243 struct fc_function_template qla2xxx_transport_vport_functions = {
2244
2245         .show_host_node_name = 1,
2246         .show_host_port_name = 1,
2247         .show_host_supported_classes = 1,
2248
2249         .get_host_port_id = qla2x00_get_host_port_id,
2250         .show_host_port_id = 1,
2251         .get_host_speed = qla2x00_get_host_speed,
2252         .show_host_speed = 1,
2253         .get_host_port_type = qla2x00_get_host_port_type,
2254         .show_host_port_type = 1,
2255         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2256         .show_host_symbolic_name = 1,
2257         .set_host_system_hostname = qla2x00_set_host_system_hostname,
2258         .show_host_system_hostname = 1,
2259         .get_host_fabric_name = qla2x00_get_host_fabric_name,
2260         .show_host_fabric_name = 1,
2261         .get_host_port_state = qla2x00_get_host_port_state,
2262         .show_host_port_state = 1,
2263
2264         .dd_fcrport_size = sizeof(struct fc_port *),
2265         .show_rport_supported_classes = 1,
2266
2267         .get_starget_node_name = qla2x00_get_starget_node_name,
2268         .show_starget_node_name = 1,
2269         .get_starget_port_name = qla2x00_get_starget_port_name,
2270         .show_starget_port_name = 1,
2271         .get_starget_port_id  = qla2x00_get_starget_port_id,
2272         .show_starget_port_id = 1,
2273
2274         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2275         .show_rport_dev_loss_tmo = 1,
2276
2277         .issue_fc_host_lip = qla2x00_issue_lip,
2278         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2279         .terminate_rport_io = qla2x00_terminate_rport_io,
2280         .get_fc_host_stats = qla2x00_get_fc_host_stats,
2281         .reset_fc_host_stats = qla2x00_reset_host_stats,
2282
2283         .bsg_request = qla24xx_bsg_request,
2284         .bsg_timeout = qla24xx_bsg_timeout,
2285 };
2286
2287 void
2288 qla2x00_init_host_attr(scsi_qla_host_t *vha)
2289 {
2290         struct qla_hw_data *ha = vha->hw;
2291         u32 speed = FC_PORTSPEED_UNKNOWN;
2292
2293         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2294         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2295         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2296         fc_host_supported_classes(vha->host) = ha->tgt.enable_class_2 ?
2297                         (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
2298         fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
2299         fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
2300
2301         if (IS_CNA_CAPABLE(ha))
2302                 speed = FC_PORTSPEED_10GBIT;
2303         else if (IS_QLA2031(ha))
2304                 speed = FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
2305                     FC_PORTSPEED_4GBIT;
2306         else if (IS_QLA25XX(ha))
2307                 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2308                     FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2309         else if (IS_QLA24XX_TYPE(ha))
2310                 speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
2311                     FC_PORTSPEED_1GBIT;
2312         else if (IS_QLA23XX(ha))
2313                 speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2314         else if (IS_QLAFX00(ha))
2315                 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2316                     FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2317         else if (IS_QLA27XX(ha))
2318                 speed = FC_PORTSPEED_32GBIT | FC_PORTSPEED_16GBIT |
2319                     FC_PORTSPEED_8GBIT;
2320         else
2321                 speed = FC_PORTSPEED_1GBIT;
2322         fc_host_supported_speeds(vha->host) = speed;
2323 }