[SCSI] qla2xxx: Add missing FCP statistics to sysfs interface.
[platform/adaptation/renesas_rcar/renesas_kernel.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_P3P_TYPE(ha)) {
33                 if (off < ha->md_template_size) {
34                         rval = memory_read_from_buffer(buf, count,
35                             &off, ha->md_tmplt_hdr, ha->md_template_size);
36                         return rval;
37                 }
38                 off -= ha->md_template_size;
39                 rval = memory_read_from_buffer(buf, count,
40                     &off, ha->md_dump, ha->md_dump_size);
41                 return rval;
42         } else if (ha->mctp_dumped && ha->mctp_dump_reading)
43                 return memory_read_from_buffer(buf, count, &off, ha->mctp_dump,
44                     MCTP_DUMP_SIZE);
45         else if (ha->fw_dump_reading)
46                 return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
47                                         ha->fw_dump_len);
48         else
49                 return 0;
50 }
51
52 static ssize_t
53 qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj,
54                             struct bin_attribute *bin_attr,
55                             char *buf, loff_t off, size_t count)
56 {
57         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
58             struct device, kobj)));
59         struct qla_hw_data *ha = vha->hw;
60         int reading;
61
62         if (off != 0)
63                 return (0);
64
65         reading = simple_strtol(buf, NULL, 10);
66         switch (reading) {
67         case 0:
68                 if (!ha->fw_dump_reading)
69                         break;
70
71                 ql_log(ql_log_info, vha, 0x705d,
72                     "Firmware dump cleared on (%ld).\n", vha->host_no);
73
74                 if (IS_P3P_TYPE(ha)) {
75                         qla82xx_md_free(vha);
76                         qla82xx_md_prep(vha);
77                 }
78                 ha->fw_dump_reading = 0;
79                 ha->fw_dumped = 0;
80                 break;
81         case 1:
82                 if (ha->fw_dumped && !ha->fw_dump_reading) {
83                         ha->fw_dump_reading = 1;
84
85                         ql_log(ql_log_info, vha, 0x705e,
86                             "Raw firmware dump ready for read on (%ld).\n",
87                             vha->host_no);
88                 }
89                 break;
90         case 2:
91                 qla2x00_alloc_fw_dump(vha);
92                 break;
93         case 3:
94                 if (IS_QLA82XX(ha)) {
95                         qla82xx_idc_lock(ha);
96                         qla82xx_set_reset_owner(vha);
97                         qla82xx_idc_unlock(ha);
98                 } else if (IS_QLA8044(ha)) {
99                         qla8044_idc_lock(ha);
100                         qla82xx_set_reset_owner(vha);
101                         qla8044_idc_unlock(ha);
102                 } else
103                         qla2x00_system_error(vha);
104                 break;
105         case 4:
106                 if (IS_P3P_TYPE(ha)) {
107                         if (ha->md_tmplt_hdr)
108                                 ql_dbg(ql_dbg_user, vha, 0x705b,
109                                     "MiniDump supported with this firmware.\n");
110                         else
111                                 ql_dbg(ql_dbg_user, vha, 0x709d,
112                                     "MiniDump not supported with this firmware.\n");
113                 }
114                 break;
115         case 5:
116                 if (IS_P3P_TYPE(ha))
117                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
118                 break;
119         case 6:
120                 if (!ha->mctp_dump_reading)
121                         break;
122                 ql_log(ql_log_info, vha, 0x70c1,
123                     "MCTP dump cleared on (%ld).\n", vha->host_no);
124                 ha->mctp_dump_reading = 0;
125                 ha->mctp_dumped = 0;
126                 break;
127         case 7:
128                 if (ha->mctp_dumped && !ha->mctp_dump_reading) {
129                         ha->mctp_dump_reading = 1;
130                         ql_log(ql_log_info, vha, 0x70c2,
131                             "Raw mctp dump ready for read on (%ld).\n",
132                             vha->host_no);
133                 }
134                 break;
135         }
136         return count;
137 }
138
139 static struct bin_attribute sysfs_fw_dump_attr = {
140         .attr = {
141                 .name = "fw_dump",
142                 .mode = S_IRUSR | S_IWUSR,
143         },
144         .size = 0,
145         .read = qla2x00_sysfs_read_fw_dump,
146         .write = qla2x00_sysfs_write_fw_dump,
147 };
148
149 static ssize_t
150 qla2x00_sysfs_read_nvram(struct file *filp, struct kobject *kobj,
151                          struct bin_attribute *bin_attr,
152                          char *buf, loff_t off, size_t count)
153 {
154         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
155             struct device, kobj)));
156         struct qla_hw_data *ha = vha->hw;
157
158         if (!capable(CAP_SYS_ADMIN))
159                 return 0;
160
161         if (IS_NOCACHE_VPD_TYPE(ha))
162                 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
163                     ha->nvram_size);
164         return memory_read_from_buffer(buf, count, &off, ha->nvram,
165                                         ha->nvram_size);
166 }
167
168 static ssize_t
169 qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
170                           struct bin_attribute *bin_attr,
171                           char *buf, loff_t off, size_t count)
172 {
173         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
174             struct device, kobj)));
175         struct qla_hw_data *ha = vha->hw;
176         uint16_t        cnt;
177
178         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
179             !ha->isp_ops->write_nvram)
180                 return -EINVAL;
181
182         /* Checksum NVRAM. */
183         if (IS_FWI2_CAPABLE(ha)) {
184                 uint32_t *iter;
185                 uint32_t chksum;
186
187                 iter = (uint32_t *)buf;
188                 chksum = 0;
189                 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
190                         chksum += le32_to_cpu(*iter++);
191                 chksum = ~chksum + 1;
192                 *iter = cpu_to_le32(chksum);
193         } else {
194                 uint8_t *iter;
195                 uint8_t chksum;
196
197                 iter = (uint8_t *)buf;
198                 chksum = 0;
199                 for (cnt = 0; cnt < count - 1; cnt++)
200                         chksum += *iter++;
201                 chksum = ~chksum + 1;
202                 *iter = chksum;
203         }
204
205         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
206                 ql_log(ql_log_warn, vha, 0x705f,
207                     "HBA not online, failing NVRAM update.\n");
208                 return -EAGAIN;
209         }
210
211         /* Write NVRAM. */
212         ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
213         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
214             count);
215
216         ql_dbg(ql_dbg_user, vha, 0x7060,
217             "Setting ISP_ABORT_NEEDED\n");
218         /* NVRAM settings take effect immediately. */
219         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
220         qla2xxx_wake_dpc(vha);
221         qla2x00_wait_for_chip_reset(vha);
222
223         return count;
224 }
225
226 static struct bin_attribute sysfs_nvram_attr = {
227         .attr = {
228                 .name = "nvram",
229                 .mode = S_IRUSR | S_IWUSR,
230         },
231         .size = 512,
232         .read = qla2x00_sysfs_read_nvram,
233         .write = qla2x00_sysfs_write_nvram,
234 };
235
236 static ssize_t
237 qla2x00_sysfs_read_optrom(struct file *filp, struct kobject *kobj,
238                           struct bin_attribute *bin_attr,
239                           char *buf, loff_t off, size_t count)
240 {
241         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
242             struct device, kobj)));
243         struct qla_hw_data *ha = vha->hw;
244
245         if (ha->optrom_state != QLA_SREADING)
246                 return 0;
247
248         return memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
249                                         ha->optrom_region_size);
250 }
251
252 static ssize_t
253 qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
254                            struct bin_attribute *bin_attr,
255                            char *buf, loff_t off, size_t count)
256 {
257         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
258             struct device, kobj)));
259         struct qla_hw_data *ha = vha->hw;
260
261         if (ha->optrom_state != QLA_SWRITING)
262                 return -EINVAL;
263         if (off > ha->optrom_region_size)
264                 return -ERANGE;
265         if (off + count > ha->optrom_region_size)
266                 count = ha->optrom_region_size - off;
267
268         memcpy(&ha->optrom_buffer[off], buf, count);
269
270         return count;
271 }
272
273 static struct bin_attribute sysfs_optrom_attr = {
274         .attr = {
275                 .name = "optrom",
276                 .mode = S_IRUSR | S_IWUSR,
277         },
278         .size = 0,
279         .read = qla2x00_sysfs_read_optrom,
280         .write = qla2x00_sysfs_write_optrom,
281 };
282
283 static ssize_t
284 qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
285                                struct bin_attribute *bin_attr,
286                                char *buf, loff_t off, size_t count)
287 {
288         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
289             struct device, kobj)));
290         struct qla_hw_data *ha = vha->hw;
291
292         uint32_t start = 0;
293         uint32_t size = ha->optrom_size;
294         int val, valid;
295
296         if (off)
297                 return -EINVAL;
298
299         if (unlikely(pci_channel_offline(ha->pdev)))
300                 return -EAGAIN;
301
302         if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
303                 return -EINVAL;
304         if (start > ha->optrom_size)
305                 return -EINVAL;
306
307         switch (val) {
308         case 0:
309                 if (ha->optrom_state != QLA_SREADING &&
310                     ha->optrom_state != QLA_SWRITING)
311                         return -EINVAL;
312
313                 ha->optrom_state = QLA_SWAITING;
314
315                 ql_dbg(ql_dbg_user, vha, 0x7061,
316                     "Freeing flash region allocation -- 0x%x bytes.\n",
317                     ha->optrom_region_size);
318
319                 vfree(ha->optrom_buffer);
320                 ha->optrom_buffer = NULL;
321                 break;
322         case 1:
323                 if (ha->optrom_state != QLA_SWAITING)
324                         return -EINVAL;
325
326                 ha->optrom_region_start = start;
327                 ha->optrom_region_size = start + size > ha->optrom_size ?
328                     ha->optrom_size - start : size;
329
330                 ha->optrom_state = QLA_SREADING;
331                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
332                 if (ha->optrom_buffer == NULL) {
333                         ql_log(ql_log_warn, vha, 0x7062,
334                             "Unable to allocate memory for optrom retrieval "
335                             "(%x).\n", ha->optrom_region_size);
336
337                         ha->optrom_state = QLA_SWAITING;
338                         return -ENOMEM;
339                 }
340
341                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
342                         ql_log(ql_log_warn, vha, 0x7063,
343                             "HBA not online, failing NVRAM update.\n");
344                         return -EAGAIN;
345                 }
346
347                 ql_dbg(ql_dbg_user, vha, 0x7064,
348                     "Reading flash region -- 0x%x/0x%x.\n",
349                     ha->optrom_region_start, ha->optrom_region_size);
350
351                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
352                 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
353                     ha->optrom_region_start, ha->optrom_region_size);
354                 break;
355         case 2:
356                 if (ha->optrom_state != QLA_SWAITING)
357                         return -EINVAL;
358
359                 /*
360                  * We need to be more restrictive on which FLASH regions are
361                  * allowed to be updated via user-space.  Regions accessible
362                  * via this method include:
363                  *
364                  * ISP21xx/ISP22xx/ISP23xx type boards:
365                  *
366                  *      0x000000 -> 0x020000 -- Boot code.
367                  *
368                  * ISP2322/ISP24xx type boards:
369                  *
370                  *      0x000000 -> 0x07ffff -- Boot code.
371                  *      0x080000 -> 0x0fffff -- Firmware.
372                  *
373                  * ISP25xx type boards:
374                  *
375                  *      0x000000 -> 0x07ffff -- Boot code.
376                  *      0x080000 -> 0x0fffff -- Firmware.
377                  *      0x120000 -> 0x12ffff -- VPD and HBA parameters.
378                  */
379                 valid = 0;
380                 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
381                         valid = 1;
382                 else if (start == (ha->flt_region_boot * 4) ||
383                     start == (ha->flt_region_fw * 4))
384                         valid = 1;
385                 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)
386                         || IS_CNA_CAPABLE(ha) || IS_QLA2031(ha))
387                         valid = 1;
388                 if (!valid) {
389                         ql_log(ql_log_warn, vha, 0x7065,
390                             "Invalid start region 0x%x/0x%x.\n", start, size);
391                         return -EINVAL;
392                 }
393
394                 ha->optrom_region_start = start;
395                 ha->optrom_region_size = start + size > ha->optrom_size ?
396                     ha->optrom_size - start : size;
397
398                 ha->optrom_state = QLA_SWRITING;
399                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
400                 if (ha->optrom_buffer == NULL) {
401                         ql_log(ql_log_warn, vha, 0x7066,
402                             "Unable to allocate memory for optrom update "
403                             "(%x)\n", ha->optrom_region_size);
404
405                         ha->optrom_state = QLA_SWAITING;
406                         return -ENOMEM;
407                 }
408
409                 ql_dbg(ql_dbg_user, vha, 0x7067,
410                     "Staging flash region write -- 0x%x/0x%x.\n",
411                     ha->optrom_region_start, ha->optrom_region_size);
412
413                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
414                 break;
415         case 3:
416                 if (ha->optrom_state != QLA_SWRITING)
417                         return -EINVAL;
418
419                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
420                         ql_log(ql_log_warn, vha, 0x7068,
421                             "HBA not online, failing flash update.\n");
422                         return -EAGAIN;
423                 }
424
425                 ql_dbg(ql_dbg_user, vha, 0x7069,
426                     "Writing flash region -- 0x%x/0x%x.\n",
427                     ha->optrom_region_start, ha->optrom_region_size);
428
429                 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
430                     ha->optrom_region_start, ha->optrom_region_size);
431                 break;
432         default:
433                 return -EINVAL;
434         }
435         return count;
436 }
437
438 static struct bin_attribute sysfs_optrom_ctl_attr = {
439         .attr = {
440                 .name = "optrom_ctl",
441                 .mode = S_IWUSR,
442         },
443         .size = 0,
444         .write = qla2x00_sysfs_write_optrom_ctl,
445 };
446
447 static ssize_t
448 qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
449                        struct bin_attribute *bin_attr,
450                        char *buf, loff_t off, size_t count)
451 {
452         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
453             struct device, kobj)));
454         struct qla_hw_data *ha = vha->hw;
455
456         if (unlikely(pci_channel_offline(ha->pdev)))
457                 return -EAGAIN;
458
459         if (!capable(CAP_SYS_ADMIN))
460                 return -EINVAL;
461
462         if (IS_NOCACHE_VPD_TYPE(ha))
463                 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
464                     ha->vpd_size);
465         return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
466 }
467
468 static ssize_t
469 qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
470                         struct bin_attribute *bin_attr,
471                         char *buf, loff_t off, size_t count)
472 {
473         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
474             struct device, kobj)));
475         struct qla_hw_data *ha = vha->hw;
476         uint8_t *tmp_data;
477
478         if (unlikely(pci_channel_offline(ha->pdev)))
479                 return 0;
480
481         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
482             !ha->isp_ops->write_nvram)
483                 return 0;
484
485         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
486                 ql_log(ql_log_warn, vha, 0x706a,
487                     "HBA not online, failing VPD update.\n");
488                 return -EAGAIN;
489         }
490
491         /* Write NVRAM. */
492         ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
493         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
494
495         /* Update flash version information for 4Gb & above. */
496         if (!IS_FWI2_CAPABLE(ha))
497                 return -EINVAL;
498
499         tmp_data = vmalloc(256);
500         if (!tmp_data) {
501                 ql_log(ql_log_warn, vha, 0x706b,
502                     "Unable to allocate memory for VPD information update.\n");
503                 return -ENOMEM;
504         }
505         ha->isp_ops->get_flash_version(vha, tmp_data);
506         vfree(tmp_data);
507
508         return count;
509 }
510
511 static struct bin_attribute sysfs_vpd_attr = {
512         .attr = {
513                 .name = "vpd",
514                 .mode = S_IRUSR | S_IWUSR,
515         },
516         .size = 0,
517         .read = qla2x00_sysfs_read_vpd,
518         .write = qla2x00_sysfs_write_vpd,
519 };
520
521 static ssize_t
522 qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
523                        struct bin_attribute *bin_attr,
524                        char *buf, loff_t off, size_t count)
525 {
526         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
527             struct device, kobj)));
528         struct qla_hw_data *ha = vha->hw;
529         uint16_t iter, addr, offset;
530         int rval;
531
532         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
533                 return 0;
534
535         if (ha->sfp_data)
536                 goto do_read;
537
538         ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
539             &ha->sfp_data_dma);
540         if (!ha->sfp_data) {
541                 ql_log(ql_log_warn, vha, 0x706c,
542                     "Unable to allocate memory for SFP read-data.\n");
543                 return 0;
544         }
545
546 do_read:
547         memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
548         addr = 0xa0;
549         for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
550             iter++, offset += SFP_BLOCK_SIZE) {
551                 if (iter == 4) {
552                         /* Skip to next device address. */
553                         addr = 0xa2;
554                         offset = 0;
555                 }
556
557                 rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, ha->sfp_data,
558                     addr, offset, SFP_BLOCK_SIZE, 0);
559                 if (rval != QLA_SUCCESS) {
560                         ql_log(ql_log_warn, vha, 0x706d,
561                             "Unable to read SFP data (%x/%x/%x).\n", rval,
562                             addr, offset);
563
564                         return -EIO;
565                 }
566                 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
567                 buf += SFP_BLOCK_SIZE;
568         }
569
570         return count;
571 }
572
573 static struct bin_attribute sysfs_sfp_attr = {
574         .attr = {
575                 .name = "sfp",
576                 .mode = S_IRUSR | S_IWUSR,
577         },
578         .size = SFP_DEV_SIZE * 2,
579         .read = qla2x00_sysfs_read_sfp,
580 };
581
582 static ssize_t
583 qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
584                         struct bin_attribute *bin_attr,
585                         char *buf, loff_t off, size_t count)
586 {
587         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
588             struct device, kobj)));
589         struct qla_hw_data *ha = vha->hw;
590         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
591         int type;
592         uint32_t idc_control;
593
594         if (off != 0)
595                 return -EINVAL;
596
597         type = simple_strtol(buf, NULL, 10);
598         switch (type) {
599         case 0x2025c:
600                 ql_log(ql_log_info, vha, 0x706e,
601                     "Issuing ISP reset.\n");
602
603                 scsi_block_requests(vha->host);
604                 if (IS_QLA82XX(ha)) {
605                         ha->flags.isp82xx_no_md_cap = 1;
606                         qla82xx_idc_lock(ha);
607                         qla82xx_set_reset_owner(vha);
608                         qla82xx_idc_unlock(ha);
609                 } else if (IS_QLA8044(ha)) {
610                         qla8044_idc_lock(ha);
611                         idc_control = qla8044_rd_reg(ha,
612                             QLA8044_IDC_DRV_CTRL);
613                         qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
614                             (idc_control | GRACEFUL_RESET_BIT1));
615                         qla82xx_set_reset_owner(vha);
616                         qla8044_idc_unlock(ha);
617                 } else {
618                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
619                         qla2xxx_wake_dpc(vha);
620                 }
621                 qla2x00_wait_for_chip_reset(vha);
622                 scsi_unblock_requests(vha->host);
623                 break;
624         case 0x2025d:
625                 if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
626                         return -EPERM;
627
628                 ql_log(ql_log_info, vha, 0x706f,
629                     "Issuing MPI reset.\n");
630
631                 if (IS_QLA83XX(ha)) {
632                         uint32_t idc_control;
633
634                         qla83xx_idc_lock(vha, 0);
635                         __qla83xx_get_idc_control(vha, &idc_control);
636                         idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
637                         __qla83xx_set_idc_control(vha, idc_control);
638                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
639                             QLA8XXX_DEV_NEED_RESET);
640                         qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
641                         qla83xx_idc_unlock(vha, 0);
642                         break;
643                 } else {
644                         /* Make sure FC side is not in reset */
645                         qla2x00_wait_for_hba_online(vha);
646
647                         /* Issue MPI reset */
648                         scsi_block_requests(vha->host);
649                         if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
650                                 ql_log(ql_log_warn, vha, 0x7070,
651                                     "MPI reset failed.\n");
652                         scsi_unblock_requests(vha->host);
653                         break;
654                 }
655         case 0x2025e:
656                 if (!IS_P3P_TYPE(ha) || vha != base_vha) {
657                         ql_log(ql_log_info, vha, 0x7071,
658                             "FCoE ctx reset no supported.\n");
659                         return -EPERM;
660                 }
661
662                 ql_log(ql_log_info, vha, 0x7072,
663                     "Issuing FCoE ctx reset.\n");
664                 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
665                 qla2xxx_wake_dpc(vha);
666                 qla2x00_wait_for_fcoe_ctx_reset(vha);
667                 break;
668         case 0x2025f:
669                 if (!IS_QLA8031(ha))
670                         return -EPERM;
671                 ql_log(ql_log_info, vha, 0x70bc,
672                     "Disabling Reset by IDC control\n");
673                 qla83xx_idc_lock(vha, 0);
674                 __qla83xx_get_idc_control(vha, &idc_control);
675                 idc_control |= QLA83XX_IDC_RESET_DISABLED;
676                 __qla83xx_set_idc_control(vha, idc_control);
677                 qla83xx_idc_unlock(vha, 0);
678                 break;
679         case 0x20260:
680                 if (!IS_QLA8031(ha))
681                         return -EPERM;
682                 ql_log(ql_log_info, vha, 0x70bd,
683                     "Enabling Reset by IDC control\n");
684                 qla83xx_idc_lock(vha, 0);
685                 __qla83xx_get_idc_control(vha, &idc_control);
686                 idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
687                 __qla83xx_set_idc_control(vha, idc_control);
688                 qla83xx_idc_unlock(vha, 0);
689                 break;
690
691         }
692         return count;
693 }
694
695 static struct bin_attribute sysfs_reset_attr = {
696         .attr = {
697                 .name = "reset",
698                 .mode = S_IWUSR,
699         },
700         .size = 0,
701         .write = qla2x00_sysfs_write_reset,
702 };
703
704 static ssize_t
705 qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
706                        struct bin_attribute *bin_attr,
707                        char *buf, loff_t off, size_t count)
708 {
709         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
710             struct device, kobj)));
711         struct qla_hw_data *ha = vha->hw;
712         int rval;
713         uint16_t actual_size;
714
715         if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
716                 return 0;
717
718         if (ha->xgmac_data)
719                 goto do_read;
720
721         ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
722             &ha->xgmac_data_dma, GFP_KERNEL);
723         if (!ha->xgmac_data) {
724                 ql_log(ql_log_warn, vha, 0x7076,
725                     "Unable to allocate memory for XGMAC read-data.\n");
726                 return 0;
727         }
728
729 do_read:
730         actual_size = 0;
731         memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
732
733         rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
734             XGMAC_DATA_SIZE, &actual_size);
735         if (rval != QLA_SUCCESS) {
736                 ql_log(ql_log_warn, vha, 0x7077,
737                     "Unable to read XGMAC data (%x).\n", rval);
738                 count = 0;
739         }
740
741         count = actual_size > count ? count: actual_size;
742         memcpy(buf, ha->xgmac_data, count);
743
744         return count;
745 }
746
747 static struct bin_attribute sysfs_xgmac_stats_attr = {
748         .attr = {
749                 .name = "xgmac_stats",
750                 .mode = S_IRUSR,
751         },
752         .size = 0,
753         .read = qla2x00_sysfs_read_xgmac_stats,
754 };
755
756 static ssize_t
757 qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
758                        struct bin_attribute *bin_attr,
759                        char *buf, loff_t off, size_t count)
760 {
761         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
762             struct device, kobj)));
763         struct qla_hw_data *ha = vha->hw;
764         int rval;
765         uint16_t actual_size;
766
767         if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
768                 return 0;
769
770         if (ha->dcbx_tlv)
771                 goto do_read;
772
773         ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
774             &ha->dcbx_tlv_dma, GFP_KERNEL);
775         if (!ha->dcbx_tlv) {
776                 ql_log(ql_log_warn, vha, 0x7078,
777                     "Unable to allocate memory for DCBX TLV read-data.\n");
778                 return -ENOMEM;
779         }
780
781 do_read:
782         actual_size = 0;
783         memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
784
785         rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
786             DCBX_TLV_DATA_SIZE);
787         if (rval != QLA_SUCCESS) {
788                 ql_log(ql_log_warn, vha, 0x7079,
789                     "Unable to read DCBX TLV (%x).\n", rval);
790                 return -EIO;
791         }
792
793         memcpy(buf, ha->dcbx_tlv, count);
794
795         return count;
796 }
797
798 static struct bin_attribute sysfs_dcbx_tlv_attr = {
799         .attr = {
800                 .name = "dcbx_tlv",
801                 .mode = S_IRUSR,
802         },
803         .size = 0,
804         .read = qla2x00_sysfs_read_dcbx_tlv,
805 };
806
807 static struct sysfs_entry {
808         char *name;
809         struct bin_attribute *attr;
810         int is4GBp_only;
811 } bin_file_entries[] = {
812         { "fw_dump", &sysfs_fw_dump_attr, },
813         { "nvram", &sysfs_nvram_attr, },
814         { "optrom", &sysfs_optrom_attr, },
815         { "optrom_ctl", &sysfs_optrom_ctl_attr, },
816         { "vpd", &sysfs_vpd_attr, 1 },
817         { "sfp", &sysfs_sfp_attr, 1 },
818         { "reset", &sysfs_reset_attr, },
819         { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
820         { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
821         { NULL },
822 };
823
824 void
825 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
826 {
827         struct Scsi_Host *host = vha->host;
828         struct sysfs_entry *iter;
829         int ret;
830
831         for (iter = bin_file_entries; iter->name; iter++) {
832                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
833                         continue;
834                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
835                         continue;
836                 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
837                         continue;
838
839                 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
840                     iter->attr);
841                 if (ret)
842                         ql_log(ql_log_warn, vha, 0x00f3,
843                             "Unable to create sysfs %s binary attribute (%d).\n",
844                             iter->name, ret);
845                 else
846                         ql_dbg(ql_dbg_init, vha, 0x00f4,
847                             "Successfully created sysfs %s binary attribure.\n",
848                             iter->name);
849         }
850 }
851
852 void
853 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha)
854 {
855         struct Scsi_Host *host = vha->host;
856         struct sysfs_entry *iter;
857         struct qla_hw_data *ha = vha->hw;
858
859         for (iter = bin_file_entries; iter->name; iter++) {
860                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
861                         continue;
862                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
863                         continue;
864                 if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
865                         continue;
866
867                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
868                     iter->attr);
869         }
870
871         if (ha->beacon_blink_led == 1)
872                 ha->isp_ops->beacon_off(vha);
873 }
874
875 /* Scsi_Host attributes. */
876
877 static ssize_t
878 qla2x00_drvr_version_show(struct device *dev,
879                           struct device_attribute *attr, char *buf)
880 {
881         return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
882 }
883
884 static ssize_t
885 qla2x00_fw_version_show(struct device *dev,
886                         struct device_attribute *attr, char *buf)
887 {
888         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
889         struct qla_hw_data *ha = vha->hw;
890         char fw_str[128];
891
892         return snprintf(buf, PAGE_SIZE, "%s\n",
893             ha->isp_ops->fw_version_str(vha, fw_str));
894 }
895
896 static ssize_t
897 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
898                         char *buf)
899 {
900         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
901         struct qla_hw_data *ha = vha->hw;
902         uint32_t sn;
903
904         if (IS_QLAFX00(vha->hw)) {
905                 return snprintf(buf, PAGE_SIZE, "%s\n",
906                     vha->hw->mr.serial_num);
907         } else if (IS_FWI2_CAPABLE(ha)) {
908                 qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE);
909                 return snprintf(buf, PAGE_SIZE, "%s\n", buf);
910         }
911
912         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
913         return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
914             sn % 100000);
915 }
916
917 static ssize_t
918 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
919                       char *buf)
920 {
921         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
922         return snprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
923 }
924
925 static ssize_t
926 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
927                     char *buf)
928 {
929         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
930         struct qla_hw_data *ha = vha->hw;
931
932         if (IS_QLAFX00(vha->hw))
933                 return snprintf(buf, PAGE_SIZE, "%s\n",
934                     vha->hw->mr.hw_version);
935
936         return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
937             ha->product_id[0], ha->product_id[1], ha->product_id[2],
938             ha->product_id[3]);
939 }
940
941 static ssize_t
942 qla2x00_model_name_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
947         if (IS_QLAFX00(vha->hw))
948                 return snprintf(buf, PAGE_SIZE, "%s\n",
949                     vha->hw->mr.product_name);
950
951         return snprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
952 }
953
954 static ssize_t
955 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
956                         char *buf)
957 {
958         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
959         return snprintf(buf, PAGE_SIZE, "%s\n",
960             vha->hw->model_desc ? vha->hw->model_desc : "");
961 }
962
963 static ssize_t
964 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
965                       char *buf)
966 {
967         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
968         char pci_info[30];
969
970         return snprintf(buf, PAGE_SIZE, "%s\n",
971             vha->hw->isp_ops->pci_info_str(vha, pci_info));
972 }
973
974 static ssize_t
975 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
976                         char *buf)
977 {
978         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
979         struct qla_hw_data *ha = vha->hw;
980         int len = 0;
981
982         if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
983             atomic_read(&vha->loop_state) == LOOP_DEAD ||
984             vha->device_flags & DFLG_NO_CABLE)
985                 len = snprintf(buf, PAGE_SIZE, "Link Down\n");
986         else if (atomic_read(&vha->loop_state) != LOOP_READY ||
987             qla2x00_reset_active(vha))
988                 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
989         else {
990                 len = snprintf(buf, PAGE_SIZE, "Link Up - ");
991
992                 switch (ha->current_topology) {
993                 case ISP_CFG_NL:
994                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
995                         break;
996                 case ISP_CFG_FL:
997                         len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
998                         break;
999                 case ISP_CFG_N:
1000                         len += snprintf(buf + len, PAGE_SIZE-len,
1001                             "N_Port to N_Port\n");
1002                         break;
1003                 case ISP_CFG_F:
1004                         len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
1005                         break;
1006                 default:
1007                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1008                         break;
1009                 }
1010         }
1011         return len;
1012 }
1013
1014 static ssize_t
1015 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
1016                  char *buf)
1017 {
1018         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1019         int len = 0;
1020
1021         switch (vha->hw->zio_mode) {
1022         case QLA_ZIO_MODE_6:
1023                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1024                 break;
1025         case QLA_ZIO_DISABLED:
1026                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1027                 break;
1028         }
1029         return len;
1030 }
1031
1032 static ssize_t
1033 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1034                   const char *buf, size_t count)
1035 {
1036         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1037         struct qla_hw_data *ha = vha->hw;
1038         int val = 0;
1039         uint16_t zio_mode;
1040
1041         if (!IS_ZIO_SUPPORTED(ha))
1042                 return -ENOTSUPP;
1043
1044         if (sscanf(buf, "%d", &val) != 1)
1045                 return -EINVAL;
1046
1047         if (val)
1048                 zio_mode = QLA_ZIO_MODE_6;
1049         else
1050                 zio_mode = QLA_ZIO_DISABLED;
1051
1052         /* Update per-hba values and queue a reset. */
1053         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1054                 ha->zio_mode = zio_mode;
1055                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1056         }
1057         return strlen(buf);
1058 }
1059
1060 static ssize_t
1061 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1062                        char *buf)
1063 {
1064         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1065
1066         return snprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1067 }
1068
1069 static ssize_t
1070 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1071                         const char *buf, size_t count)
1072 {
1073         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1074         int val = 0;
1075         uint16_t zio_timer;
1076
1077         if (sscanf(buf, "%d", &val) != 1)
1078                 return -EINVAL;
1079         if (val > 25500 || val < 100)
1080                 return -ERANGE;
1081
1082         zio_timer = (uint16_t)(val / 100);
1083         vha->hw->zio_timer = zio_timer;
1084
1085         return strlen(buf);
1086 }
1087
1088 static ssize_t
1089 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1090                     char *buf)
1091 {
1092         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1093         int len = 0;
1094
1095         if (vha->hw->beacon_blink_led)
1096                 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1097         else
1098                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1099         return len;
1100 }
1101
1102 static ssize_t
1103 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1104                      const char *buf, size_t count)
1105 {
1106         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1107         struct qla_hw_data *ha = vha->hw;
1108         int val = 0;
1109         int rval;
1110
1111         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1112                 return -EPERM;
1113
1114         if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
1115                 ql_log(ql_log_warn, vha, 0x707a,
1116                     "Abort ISP active -- ignoring beacon request.\n");
1117                 return -EBUSY;
1118         }
1119
1120         if (sscanf(buf, "%d", &val) != 1)
1121                 return -EINVAL;
1122
1123         if (val)
1124                 rval = ha->isp_ops->beacon_on(vha);
1125         else
1126                 rval = ha->isp_ops->beacon_off(vha);
1127
1128         if (rval != QLA_SUCCESS)
1129                 count = 0;
1130
1131         return count;
1132 }
1133
1134 static ssize_t
1135 qla2x00_optrom_bios_version_show(struct device *dev,
1136                                  struct device_attribute *attr, char *buf)
1137 {
1138         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1139         struct qla_hw_data *ha = vha->hw;
1140         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1141             ha->bios_revision[0]);
1142 }
1143
1144 static ssize_t
1145 qla2x00_optrom_efi_version_show(struct device *dev,
1146                                 struct device_attribute *attr, char *buf)
1147 {
1148         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1149         struct qla_hw_data *ha = vha->hw;
1150         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1151             ha->efi_revision[0]);
1152 }
1153
1154 static ssize_t
1155 qla2x00_optrom_fcode_version_show(struct device *dev,
1156                                   struct device_attribute *attr, char *buf)
1157 {
1158         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1159         struct qla_hw_data *ha = vha->hw;
1160         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1161             ha->fcode_revision[0]);
1162 }
1163
1164 static ssize_t
1165 qla2x00_optrom_fw_version_show(struct device *dev,
1166                                struct device_attribute *attr, char *buf)
1167 {
1168         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1169         struct qla_hw_data *ha = vha->hw;
1170         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1171             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1172             ha->fw_revision[3]);
1173 }
1174
1175 static ssize_t
1176 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1177     struct device_attribute *attr, char *buf)
1178 {
1179         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1180         struct qla_hw_data *ha = vha->hw;
1181
1182         if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
1183                 return snprintf(buf, PAGE_SIZE, "\n");
1184
1185         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1186             ha->gold_fw_version[0], ha->gold_fw_version[1],
1187             ha->gold_fw_version[2], ha->gold_fw_version[3]);
1188 }
1189
1190 static ssize_t
1191 qla2x00_total_isp_aborts_show(struct device *dev,
1192                               struct device_attribute *attr, char *buf)
1193 {
1194         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1195         return snprintf(buf, PAGE_SIZE, "%d\n",
1196             vha->qla_stats.total_isp_aborts);
1197 }
1198
1199 static ssize_t
1200 qla24xx_84xx_fw_version_show(struct device *dev,
1201         struct device_attribute *attr, char *buf)
1202 {
1203         int rval = QLA_SUCCESS;
1204         uint16_t status[2] = {0, 0};
1205         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1206         struct qla_hw_data *ha = vha->hw;
1207
1208         if (!IS_QLA84XX(ha))
1209                 return snprintf(buf, PAGE_SIZE, "\n");
1210
1211         if (ha->cs84xx->op_fw_version == 0)
1212                 rval = qla84xx_verify_chip(vha, status);
1213
1214         if ((rval == QLA_SUCCESS) && (status[0] == 0))
1215                 return snprintf(buf, PAGE_SIZE, "%u\n",
1216                         (uint32_t)ha->cs84xx->op_fw_version);
1217
1218         return snprintf(buf, PAGE_SIZE, "\n");
1219 }
1220
1221 static ssize_t
1222 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1223     char *buf)
1224 {
1225         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1226         struct qla_hw_data *ha = vha->hw;
1227
1228         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
1229                 return snprintf(buf, PAGE_SIZE, "\n");
1230
1231         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1232             ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1233             ha->mpi_capabilities);
1234 }
1235
1236 static ssize_t
1237 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1238     char *buf)
1239 {
1240         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1241         struct qla_hw_data *ha = vha->hw;
1242
1243         if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1244                 return snprintf(buf, PAGE_SIZE, "\n");
1245
1246         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1247             ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1248 }
1249
1250 static ssize_t
1251 qla2x00_flash_block_size_show(struct device *dev,
1252                               struct device_attribute *attr, char *buf)
1253 {
1254         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1255         struct qla_hw_data *ha = vha->hw;
1256
1257         return snprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1258 }
1259
1260 static ssize_t
1261 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1262     char *buf)
1263 {
1264         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1265
1266         if (!IS_CNA_CAPABLE(vha->hw))
1267                 return snprintf(buf, PAGE_SIZE, "\n");
1268
1269         return snprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1270 }
1271
1272 static ssize_t
1273 qla2x00_vn_port_mac_address_show(struct device *dev,
1274     struct device_attribute *attr, char *buf)
1275 {
1276         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1277
1278         if (!IS_CNA_CAPABLE(vha->hw))
1279                 return snprintf(buf, PAGE_SIZE, "\n");
1280
1281         return snprintf(buf, PAGE_SIZE, "%02x:%02x:%02x:%02x:%02x:%02x\n",
1282             vha->fcoe_vn_port_mac[5], vha->fcoe_vn_port_mac[4],
1283             vha->fcoe_vn_port_mac[3], vha->fcoe_vn_port_mac[2],
1284             vha->fcoe_vn_port_mac[1], vha->fcoe_vn_port_mac[0]);
1285 }
1286
1287 static ssize_t
1288 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1289     char *buf)
1290 {
1291         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1292
1293         return snprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1294 }
1295
1296 static ssize_t
1297 qla2x00_thermal_temp_show(struct device *dev,
1298         struct device_attribute *attr, char *buf)
1299 {
1300         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1301         uint16_t temp = 0;
1302
1303         if (qla2x00_reset_active(vha)) {
1304                 ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1305                 goto done;
1306         }
1307
1308         if (vha->hw->flags.eeh_busy) {
1309                 ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1310                 goto done;
1311         }
1312
1313         if (qla2x00_get_thermal_temp(vha, &temp) == QLA_SUCCESS)
1314                 return snprintf(buf, PAGE_SIZE, "%d\n", temp);
1315
1316 done:
1317         return snprintf(buf, PAGE_SIZE, "\n");
1318 }
1319
1320 static ssize_t
1321 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1322     char *buf)
1323 {
1324         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1325         int rval = QLA_FUNCTION_FAILED;
1326         uint16_t state[5];
1327         uint32_t pstate;
1328
1329         if (IS_QLAFX00(vha->hw)) {
1330                 pstate = qlafx00_fw_state_show(dev, attr, buf);
1331                 return snprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1332         }
1333
1334         if (qla2x00_reset_active(vha))
1335                 ql_log(ql_log_warn, vha, 0x707c,
1336                     "ISP reset active.\n");
1337         else if (!vha->hw->flags.eeh_busy)
1338                 rval = qla2x00_get_firmware_state(vha, state);
1339         if (rval != QLA_SUCCESS)
1340                 memset(state, -1, sizeof(state));
1341
1342         return snprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x\n", state[0],
1343             state[1], state[2], state[3], state[4]);
1344 }
1345
1346 static ssize_t
1347 qla2x00_diag_requests_show(struct device *dev,
1348         struct device_attribute *attr, char *buf)
1349 {
1350         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1351
1352         if (!IS_BIDI_CAPABLE(vha->hw))
1353                 return snprintf(buf, PAGE_SIZE, "\n");
1354
1355         return snprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1356 }
1357
1358 static ssize_t
1359 qla2x00_diag_megabytes_show(struct device *dev,
1360         struct device_attribute *attr, char *buf)
1361 {
1362         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1363
1364         if (!IS_BIDI_CAPABLE(vha->hw))
1365                 return snprintf(buf, PAGE_SIZE, "\n");
1366
1367         return snprintf(buf, PAGE_SIZE, "%llu\n",
1368             vha->bidi_stats.transfer_bytes >> 20);
1369 }
1370
1371 static ssize_t
1372 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1373         char *buf)
1374 {
1375         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1376         struct qla_hw_data *ha = vha->hw;
1377         uint32_t size;
1378
1379         if (!ha->fw_dumped)
1380                 size = 0;
1381         else if (IS_QLA82XX(ha))
1382                 size = ha->md_template_size + ha->md_dump_size;
1383         else
1384                 size = ha->fw_dump_len;
1385
1386         return snprintf(buf, PAGE_SIZE, "%d\n", size);
1387 }
1388
1389 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
1390 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
1391 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
1392 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
1393 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
1394 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
1395 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
1396 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
1397 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
1398 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
1399 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
1400                    qla2x00_zio_timer_store);
1401 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
1402                    qla2x00_beacon_store);
1403 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
1404                    qla2x00_optrom_bios_version_show, NULL);
1405 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
1406                    qla2x00_optrom_efi_version_show, NULL);
1407 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
1408                    qla2x00_optrom_fcode_version_show, NULL);
1409 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
1410                    NULL);
1411 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
1412     qla2x00_optrom_gold_fw_version_show, NULL);
1413 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
1414                    NULL);
1415 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
1416                    NULL);
1417 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
1418 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
1419 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
1420                    NULL);
1421 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
1422 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
1423                    qla2x00_vn_port_mac_address_show, NULL);
1424 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
1425 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
1426 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
1427 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
1428 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
1429 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
1430
1431 struct device_attribute *qla2x00_host_attrs[] = {
1432         &dev_attr_driver_version,
1433         &dev_attr_fw_version,
1434         &dev_attr_serial_num,
1435         &dev_attr_isp_name,
1436         &dev_attr_isp_id,
1437         &dev_attr_model_name,
1438         &dev_attr_model_desc,
1439         &dev_attr_pci_info,
1440         &dev_attr_link_state,
1441         &dev_attr_zio,
1442         &dev_attr_zio_timer,
1443         &dev_attr_beacon,
1444         &dev_attr_optrom_bios_version,
1445         &dev_attr_optrom_efi_version,
1446         &dev_attr_optrom_fcode_version,
1447         &dev_attr_optrom_fw_version,
1448         &dev_attr_84xx_fw_version,
1449         &dev_attr_total_isp_aborts,
1450         &dev_attr_mpi_version,
1451         &dev_attr_phy_version,
1452         &dev_attr_flash_block_size,
1453         &dev_attr_vlan_id,
1454         &dev_attr_vn_port_mac_address,
1455         &dev_attr_fabric_param,
1456         &dev_attr_fw_state,
1457         &dev_attr_optrom_gold_fw_version,
1458         &dev_attr_thermal_temp,
1459         &dev_attr_diag_requests,
1460         &dev_attr_diag_megabytes,
1461         &dev_attr_fw_dump_size,
1462         NULL,
1463 };
1464
1465 /* Host attributes. */
1466
1467 static void
1468 qla2x00_get_host_port_id(struct Scsi_Host *shost)
1469 {
1470         scsi_qla_host_t *vha = shost_priv(shost);
1471
1472         fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
1473             vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
1474 }
1475
1476 static void
1477 qla2x00_get_host_speed(struct Scsi_Host *shost)
1478 {
1479         struct qla_hw_data *ha = ((struct scsi_qla_host *)
1480                                         (shost_priv(shost)))->hw;
1481         u32 speed = FC_PORTSPEED_UNKNOWN;
1482
1483         if (IS_QLAFX00(ha)) {
1484                 qlafx00_get_host_speed(shost);
1485                 return;
1486         }
1487
1488         switch (ha->link_data_rate) {
1489         case PORT_SPEED_1GB:
1490                 speed = FC_PORTSPEED_1GBIT;
1491                 break;
1492         case PORT_SPEED_2GB:
1493                 speed = FC_PORTSPEED_2GBIT;
1494                 break;
1495         case PORT_SPEED_4GB:
1496                 speed = FC_PORTSPEED_4GBIT;
1497                 break;
1498         case PORT_SPEED_8GB:
1499                 speed = FC_PORTSPEED_8GBIT;
1500                 break;
1501         case PORT_SPEED_10GB:
1502                 speed = FC_PORTSPEED_10GBIT;
1503                 break;
1504         case PORT_SPEED_16GB:
1505                 speed = FC_PORTSPEED_16GBIT;
1506                 break;
1507         }
1508         fc_host_speed(shost) = speed;
1509 }
1510
1511 static void
1512 qla2x00_get_host_port_type(struct Scsi_Host *shost)
1513 {
1514         scsi_qla_host_t *vha = shost_priv(shost);
1515         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
1516
1517         if (vha->vp_idx) {
1518                 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1519                 return;
1520         }
1521         switch (vha->hw->current_topology) {
1522         case ISP_CFG_NL:
1523                 port_type = FC_PORTTYPE_LPORT;
1524                 break;
1525         case ISP_CFG_FL:
1526                 port_type = FC_PORTTYPE_NLPORT;
1527                 break;
1528         case ISP_CFG_N:
1529                 port_type = FC_PORTTYPE_PTP;
1530                 break;
1531         case ISP_CFG_F:
1532                 port_type = FC_PORTTYPE_NPORT;
1533                 break;
1534         }
1535         fc_host_port_type(shost) = port_type;
1536 }
1537
1538 static void
1539 qla2x00_get_starget_node_name(struct scsi_target *starget)
1540 {
1541         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1542         scsi_qla_host_t *vha = shost_priv(host);
1543         fc_port_t *fcport;
1544         u64 node_name = 0;
1545
1546         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1547                 if (fcport->rport &&
1548                     starget->id == fcport->rport->scsi_target_id) {
1549                         node_name = wwn_to_u64(fcport->node_name);
1550                         break;
1551                 }
1552         }
1553
1554         fc_starget_node_name(starget) = node_name;
1555 }
1556
1557 static void
1558 qla2x00_get_starget_port_name(struct scsi_target *starget)
1559 {
1560         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1561         scsi_qla_host_t *vha = shost_priv(host);
1562         fc_port_t *fcport;
1563         u64 port_name = 0;
1564
1565         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1566                 if (fcport->rport &&
1567                     starget->id == fcport->rport->scsi_target_id) {
1568                         port_name = wwn_to_u64(fcport->port_name);
1569                         break;
1570                 }
1571         }
1572
1573         fc_starget_port_name(starget) = port_name;
1574 }
1575
1576 static void
1577 qla2x00_get_starget_port_id(struct scsi_target *starget)
1578 {
1579         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1580         scsi_qla_host_t *vha = shost_priv(host);
1581         fc_port_t *fcport;
1582         uint32_t port_id = ~0U;
1583
1584         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1585                 if (fcport->rport &&
1586                     starget->id == fcport->rport->scsi_target_id) {
1587                         port_id = fcport->d_id.b.domain << 16 |
1588                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
1589                         break;
1590                 }
1591         }
1592
1593         fc_starget_port_id(starget) = port_id;
1594 }
1595
1596 static void
1597 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1598 {
1599         if (timeout)
1600                 rport->dev_loss_tmo = timeout;
1601         else
1602                 rport->dev_loss_tmo = 1;
1603 }
1604
1605 static void
1606 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
1607 {
1608         struct Scsi_Host *host = rport_to_shost(rport);
1609         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1610         unsigned long flags;
1611
1612         if (!fcport)
1613                 return;
1614
1615         /* Now that the rport has been deleted, set the fcport state to
1616            FCS_DEVICE_DEAD */
1617         qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
1618
1619         /*
1620          * Transport has effectively 'deleted' the rport, clear
1621          * all local references.
1622          */
1623         spin_lock_irqsave(host->host_lock, flags);
1624         fcport->rport = fcport->drport = NULL;
1625         *((fc_port_t **)rport->dd_data) = NULL;
1626         spin_unlock_irqrestore(host->host_lock, flags);
1627
1628         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1629                 return;
1630
1631         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1632                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1633                 return;
1634         }
1635 }
1636
1637 static void
1638 qla2x00_terminate_rport_io(struct fc_rport *rport)
1639 {
1640         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1641
1642         if (!fcport)
1643                 return;
1644
1645         if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1646                 return;
1647
1648         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1649                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1650                 return;
1651         }
1652         /*
1653          * At this point all fcport's software-states are cleared.  Perform any
1654          * final cleanup of firmware resources (PCBs and XCBs).
1655          */
1656         if (fcport->loop_id != FC_NO_LOOP_ID) {
1657                 if (IS_FWI2_CAPABLE(fcport->vha->hw))
1658                         fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
1659                             fcport->loop_id, fcport->d_id.b.domain,
1660                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
1661                 else
1662                         qla2x00_port_logout(fcport->vha, fcport);
1663         }
1664 }
1665
1666 static int
1667 qla2x00_issue_lip(struct Scsi_Host *shost)
1668 {
1669         scsi_qla_host_t *vha = shost_priv(shost);
1670
1671         if (IS_QLAFX00(vha->hw))
1672                 return 0;
1673
1674         qla2x00_loop_reset(vha);
1675         return 0;
1676 }
1677
1678 static struct fc_host_statistics *
1679 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1680 {
1681         scsi_qla_host_t *vha = shost_priv(shost);
1682         struct qla_hw_data *ha = vha->hw;
1683         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1684         int rval;
1685         struct link_statistics *stats;
1686         dma_addr_t stats_dma;
1687         struct fc_host_statistics *pfc_host_stat;
1688
1689         pfc_host_stat = &vha->fc_host_stat;
1690         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
1691
1692         if (IS_QLAFX00(vha->hw))
1693                 goto done;
1694
1695         if (test_bit(UNLOADING, &vha->dpc_flags))
1696                 goto done;
1697
1698         if (unlikely(pci_channel_offline(ha->pdev)))
1699                 goto done;
1700
1701         if (qla2x00_reset_active(vha))
1702                 goto done;
1703
1704         stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
1705         if (stats == NULL) {
1706                 ql_log(ql_log_warn, vha, 0x707d,
1707                     "Failed to allocate memory for stats.\n");
1708                 goto done;
1709         }
1710         memset(stats, 0, DMA_POOL_SIZE);
1711
1712         rval = QLA_FUNCTION_FAILED;
1713         if (IS_FWI2_CAPABLE(ha)) {
1714                 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
1715         } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
1716             !ha->dpc_active) {
1717                 /* Must be in a 'READY' state for statistics retrieval. */
1718                 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
1719                                                 stats, stats_dma);
1720         }
1721
1722         if (rval != QLA_SUCCESS)
1723                 goto done_free;
1724
1725         pfc_host_stat->link_failure_count = stats->link_fail_cnt;
1726         pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt;
1727         pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt;
1728         pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
1729         pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt;
1730         pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt;
1731         if (IS_FWI2_CAPABLE(ha)) {
1732                 pfc_host_stat->lip_count = stats->lip_cnt;
1733                 pfc_host_stat->tx_frames = stats->tx_frames;
1734                 pfc_host_stat->rx_frames = stats->rx_frames;
1735                 pfc_host_stat->dumped_frames = stats->discarded_frames;
1736                 pfc_host_stat->nos_count = stats->nos_rcvd;
1737                 pfc_host_stat->error_frames =
1738                         stats->dropped_frames + stats->discarded_frames;
1739                 pfc_host_stat->rx_words = vha->qla_stats.input_bytes;
1740                 pfc_host_stat->tx_words = vha->qla_stats.output_bytes;
1741         }
1742         pfc_host_stat->fcp_control_requests = vha->qla_stats.control_requests;
1743         pfc_host_stat->fcp_input_requests = vha->qla_stats.input_requests;
1744         pfc_host_stat->fcp_output_requests = vha->qla_stats.output_requests;
1745         pfc_host_stat->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
1746         pfc_host_stat->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
1747         pfc_host_stat->seconds_since_last_reset =
1748                 get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
1749         do_div(pfc_host_stat->seconds_since_last_reset, HZ);
1750
1751 done_free:
1752         dma_pool_free(ha->s_dma_pool, stats, stats_dma);
1753 done:
1754         return pfc_host_stat;
1755 }
1756
1757 static void
1758 qla2x00_reset_host_stats(struct Scsi_Host *shost)
1759 {
1760         scsi_qla_host_t *vha = shost_priv(shost);
1761
1762         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
1763
1764         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
1765 }
1766
1767 static void
1768 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
1769 {
1770         scsi_qla_host_t *vha = shost_priv(shost);
1771
1772         qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost));
1773 }
1774
1775 static void
1776 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
1777 {
1778         scsi_qla_host_t *vha = shost_priv(shost);
1779
1780         set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1781 }
1782
1783 static void
1784 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
1785 {
1786         scsi_qla_host_t *vha = shost_priv(shost);
1787         uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
1788                 0xFF, 0xFF, 0xFF, 0xFF};
1789         u64 fabric_name = wwn_to_u64(node_name);
1790
1791         if (vha->device_flags & SWITCH_FOUND)
1792                 fabric_name = wwn_to_u64(vha->fabric_node_name);
1793
1794         fc_host_fabric_name(shost) = fabric_name;
1795 }
1796
1797 static void
1798 qla2x00_get_host_port_state(struct Scsi_Host *shost)
1799 {
1800         scsi_qla_host_t *vha = shost_priv(shost);
1801         struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
1802
1803         if (!base_vha->flags.online) {
1804                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1805                 return;
1806         }
1807
1808         switch (atomic_read(&base_vha->loop_state)) {
1809         case LOOP_UPDATE:
1810                 fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1811                 break;
1812         case LOOP_DOWN:
1813                 if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
1814                         fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1815                 else
1816                         fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1817                 break;
1818         case LOOP_DEAD:
1819                 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1820                 break;
1821         case LOOP_READY:
1822                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1823                 break;
1824         default:
1825                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1826                 break;
1827         }
1828 }
1829
1830 static int
1831 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
1832 {
1833         int     ret = 0;
1834         uint8_t qos = 0;
1835         scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
1836         scsi_qla_host_t *vha = NULL;
1837         struct qla_hw_data *ha = base_vha->hw;
1838         uint16_t options = 0;
1839         int     cnt;
1840         struct req_que *req = ha->req_q_map[0];
1841
1842         ret = qla24xx_vport_create_req_sanity_check(fc_vport);
1843         if (ret) {
1844                 ql_log(ql_log_warn, vha, 0x707e,
1845                     "Vport sanity check failed, status %x\n", ret);
1846                 return (ret);
1847         }
1848
1849         vha = qla24xx_create_vhost(fc_vport);
1850         if (vha == NULL) {
1851                 ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
1852                 return FC_VPORT_FAILED;
1853         }
1854         if (disable) {
1855                 atomic_set(&vha->vp_state, VP_OFFLINE);
1856                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
1857         } else
1858                 atomic_set(&vha->vp_state, VP_FAILED);
1859
1860         /* ready to create vport */
1861         ql_log(ql_log_info, vha, 0x7080,
1862             "VP entry id %d assigned.\n", vha->vp_idx);
1863
1864         /* initialized vport states */
1865         atomic_set(&vha->loop_state, LOOP_DOWN);
1866         vha->vp_err_state=  VP_ERR_PORTDWN;
1867         vha->vp_prev_err_state=  VP_ERR_UNKWN;
1868         /* Check if physical ha port is Up */
1869         if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
1870             atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
1871                 /* Don't retry or attempt login of this virtual port */
1872                 ql_dbg(ql_dbg_user, vha, 0x7081,
1873                     "Vport loop state is not UP.\n");
1874                 atomic_set(&vha->loop_state, LOOP_DEAD);
1875                 if (!disable)
1876                         fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
1877         }
1878
1879         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
1880                 if (ha->fw_attributes & BIT_4) {
1881                         int prot = 0, guard;
1882                         vha->flags.difdix_supported = 1;
1883                         ql_dbg(ql_dbg_user, vha, 0x7082,
1884                             "Registered for DIF/DIX type 1 and 3 protection.\n");
1885                         if (ql2xenabledif == 1)
1886                                 prot = SHOST_DIX_TYPE0_PROTECTION;
1887                         scsi_host_set_prot(vha->host,
1888                             prot | SHOST_DIF_TYPE1_PROTECTION
1889                             | SHOST_DIF_TYPE2_PROTECTION
1890                             | SHOST_DIF_TYPE3_PROTECTION
1891                             | SHOST_DIX_TYPE1_PROTECTION
1892                             | SHOST_DIX_TYPE2_PROTECTION
1893                             | SHOST_DIX_TYPE3_PROTECTION);
1894
1895                         guard = SHOST_DIX_GUARD_CRC;
1896
1897                         if (IS_PI_IPGUARD_CAPABLE(ha) &&
1898                             (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
1899                                 guard |= SHOST_DIX_GUARD_IP;
1900
1901                         scsi_host_set_guard(vha->host, guard);
1902                 } else
1903                         vha->flags.difdix_supported = 0;
1904         }
1905
1906         if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
1907                                    &ha->pdev->dev)) {
1908                 ql_dbg(ql_dbg_user, vha, 0x7083,
1909                     "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
1910                 goto vport_create_failed_2;
1911         }
1912
1913         /* initialize attributes */
1914         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
1915         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
1916         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
1917         fc_host_supported_classes(vha->host) =
1918                 fc_host_supported_classes(base_vha->host);
1919         fc_host_supported_speeds(vha->host) =
1920                 fc_host_supported_speeds(base_vha->host);
1921
1922         qlt_vport_create(vha, ha);
1923         qla24xx_vport_disable(fc_vport, disable);
1924
1925         if (ha->flags.cpu_affinity_enabled) {
1926                 req = ha->req_q_map[1];
1927                 ql_dbg(ql_dbg_multiq, vha, 0xc000,
1928                     "Request queue %p attached with "
1929                     "VP[%d], cpu affinity =%d\n",
1930                     req, vha->vp_idx, ha->flags.cpu_affinity_enabled);
1931                 goto vport_queue;
1932         } else if (ql2xmaxqueues == 1 || !ha->npiv_info)
1933                 goto vport_queue;
1934         /* Create a request queue in QoS mode for the vport */
1935         for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
1936                 if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
1937                         && memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
1938                                         8) == 0) {
1939                         qos = ha->npiv_info[cnt].q_qos;
1940                         break;
1941                 }
1942         }
1943
1944         if (qos) {
1945                 ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0,
1946                         qos);
1947                 if (!ret)
1948                         ql_log(ql_log_warn, vha, 0x7084,
1949                             "Can't create request queue for VP[%d]\n",
1950                             vha->vp_idx);
1951                 else {
1952                         ql_dbg(ql_dbg_multiq, vha, 0xc001,
1953                             "Request Que:%d Q0s: %d) created for VP[%d]\n",
1954                             ret, qos, vha->vp_idx);
1955                         ql_dbg(ql_dbg_user, vha, 0x7085,
1956                             "Request Que:%d Q0s: %d) created for VP[%d]\n",
1957                             ret, qos, vha->vp_idx);
1958                         req = ha->req_q_map[ret];
1959                 }
1960         }
1961
1962 vport_queue:
1963         vha->req = req;
1964         return 0;
1965
1966 vport_create_failed_2:
1967         qla24xx_disable_vp(vha);
1968         qla24xx_deallocate_vp_id(vha);
1969         scsi_host_put(vha->host);
1970         return FC_VPORT_FAILED;
1971 }
1972
1973 static int
1974 qla24xx_vport_delete(struct fc_vport *fc_vport)
1975 {
1976         scsi_qla_host_t *vha = fc_vport->dd_data;
1977         struct qla_hw_data *ha = vha->hw;
1978         uint16_t id = vha->vp_idx;
1979
1980         while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
1981             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
1982                 msleep(1000);
1983
1984         qla24xx_disable_vp(vha);
1985
1986         vha->flags.delete_progress = 1;
1987
1988         fc_remove_host(vha->host);
1989
1990         scsi_remove_host(vha->host);
1991
1992         /* Allow timer to run to drain queued items, when removing vp */
1993         qla24xx_deallocate_vp_id(vha);
1994
1995         if (vha->timer_active) {
1996                 qla2x00_vp_stop_timer(vha);
1997                 ql_dbg(ql_dbg_user, vha, 0x7086,
1998                     "Timer for the VP[%d] has stopped\n", vha->vp_idx);
1999         }
2000
2001         BUG_ON(atomic_read(&vha->vref_count));
2002
2003         qla2x00_free_fcports(vha);
2004
2005         mutex_lock(&ha->vport_lock);
2006         ha->cur_vport_count--;
2007         clear_bit(vha->vp_idx, ha->vp_idx_map);
2008         mutex_unlock(&ha->vport_lock);
2009
2010         if (vha->req->id && !ha->flags.cpu_affinity_enabled) {
2011                 if (qla25xx_delete_req_que(vha, vha->req) != QLA_SUCCESS)
2012                         ql_log(ql_log_warn, vha, 0x7087,
2013                             "Queue delete failed.\n");
2014         }
2015
2016         ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
2017         scsi_host_put(vha->host);
2018         return 0;
2019 }
2020
2021 static int
2022 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
2023 {
2024         scsi_qla_host_t *vha = fc_vport->dd_data;
2025
2026         if (disable)
2027                 qla24xx_disable_vp(vha);
2028         else
2029                 qla24xx_enable_vp(vha);
2030
2031         return 0;
2032 }
2033
2034 struct fc_function_template qla2xxx_transport_functions = {
2035
2036         .show_host_node_name = 1,
2037         .show_host_port_name = 1,
2038         .show_host_supported_classes = 1,
2039         .show_host_supported_speeds = 1,
2040
2041         .get_host_port_id = qla2x00_get_host_port_id,
2042         .show_host_port_id = 1,
2043         .get_host_speed = qla2x00_get_host_speed,
2044         .show_host_speed = 1,
2045         .get_host_port_type = qla2x00_get_host_port_type,
2046         .show_host_port_type = 1,
2047         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2048         .show_host_symbolic_name = 1,
2049         .set_host_system_hostname = qla2x00_set_host_system_hostname,
2050         .show_host_system_hostname = 1,
2051         .get_host_fabric_name = qla2x00_get_host_fabric_name,
2052         .show_host_fabric_name = 1,
2053         .get_host_port_state = qla2x00_get_host_port_state,
2054         .show_host_port_state = 1,
2055
2056         .dd_fcrport_size = sizeof(struct fc_port *),
2057         .show_rport_supported_classes = 1,
2058
2059         .get_starget_node_name = qla2x00_get_starget_node_name,
2060         .show_starget_node_name = 1,
2061         .get_starget_port_name = qla2x00_get_starget_port_name,
2062         .show_starget_port_name = 1,
2063         .get_starget_port_id  = qla2x00_get_starget_port_id,
2064         .show_starget_port_id = 1,
2065
2066         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2067         .show_rport_dev_loss_tmo = 1,
2068
2069         .issue_fc_host_lip = qla2x00_issue_lip,
2070         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2071         .terminate_rport_io = qla2x00_terminate_rport_io,
2072         .get_fc_host_stats = qla2x00_get_fc_host_stats,
2073         .reset_fc_host_stats = qla2x00_reset_host_stats,
2074
2075         .vport_create = qla24xx_vport_create,
2076         .vport_disable = qla24xx_vport_disable,
2077         .vport_delete = qla24xx_vport_delete,
2078         .bsg_request = qla24xx_bsg_request,
2079         .bsg_timeout = qla24xx_bsg_timeout,
2080 };
2081
2082 struct fc_function_template qla2xxx_transport_vport_functions = {
2083
2084         .show_host_node_name = 1,
2085         .show_host_port_name = 1,
2086         .show_host_supported_classes = 1,
2087
2088         .get_host_port_id = qla2x00_get_host_port_id,
2089         .show_host_port_id = 1,
2090         .get_host_speed = qla2x00_get_host_speed,
2091         .show_host_speed = 1,
2092         .get_host_port_type = qla2x00_get_host_port_type,
2093         .show_host_port_type = 1,
2094         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2095         .show_host_symbolic_name = 1,
2096         .set_host_system_hostname = qla2x00_set_host_system_hostname,
2097         .show_host_system_hostname = 1,
2098         .get_host_fabric_name = qla2x00_get_host_fabric_name,
2099         .show_host_fabric_name = 1,
2100         .get_host_port_state = qla2x00_get_host_port_state,
2101         .show_host_port_state = 1,
2102
2103         .dd_fcrport_size = sizeof(struct fc_port *),
2104         .show_rport_supported_classes = 1,
2105
2106         .get_starget_node_name = qla2x00_get_starget_node_name,
2107         .show_starget_node_name = 1,
2108         .get_starget_port_name = qla2x00_get_starget_port_name,
2109         .show_starget_port_name = 1,
2110         .get_starget_port_id  = qla2x00_get_starget_port_id,
2111         .show_starget_port_id = 1,
2112
2113         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2114         .show_rport_dev_loss_tmo = 1,
2115
2116         .issue_fc_host_lip = qla2x00_issue_lip,
2117         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2118         .terminate_rport_io = qla2x00_terminate_rport_io,
2119         .get_fc_host_stats = qla2x00_get_fc_host_stats,
2120         .reset_fc_host_stats = qla2x00_reset_host_stats,
2121
2122         .bsg_request = qla24xx_bsg_request,
2123         .bsg_timeout = qla24xx_bsg_timeout,
2124 };
2125
2126 void
2127 qla2x00_init_host_attr(scsi_qla_host_t *vha)
2128 {
2129         struct qla_hw_data *ha = vha->hw;
2130         u32 speed = FC_PORTSPEED_UNKNOWN;
2131
2132         fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2133         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2134         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2135         fc_host_supported_classes(vha->host) = ha->tgt.enable_class_2 ?
2136                         (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
2137         fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
2138         fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
2139
2140         if (IS_CNA_CAPABLE(ha))
2141                 speed = FC_PORTSPEED_10GBIT;
2142         else if (IS_QLA2031(ha))
2143                 speed = FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
2144                     FC_PORTSPEED_4GBIT;
2145         else if (IS_QLA25XX(ha))
2146                 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2147                     FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2148         else if (IS_QLA24XX_TYPE(ha))
2149                 speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
2150                     FC_PORTSPEED_1GBIT;
2151         else if (IS_QLA23XX(ha))
2152                 speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2153         else if (IS_QLAFX00(ha))
2154                 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2155                     FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2156         else
2157                 speed = FC_PORTSPEED_1GBIT;
2158         fc_host_supported_speeds(vha->host) = speed;
2159 }