[SCSI] qla2xxx: Export XGMAC statistics on supported ISPs.
[safe/jmp/linux-2.6] / drivers / scsi / qla2xxx / qla_attr.c
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2008 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8
9 #include <linux/kthread.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12
13 static int qla24xx_vport_disable(struct fc_vport *, bool);
14
15 /* SYSFS attributes --------------------------------------------------------- */
16
17 static ssize_t
18 qla2x00_sysfs_read_fw_dump(struct kobject *kobj,
19                            struct bin_attribute *bin_attr,
20                            char *buf, loff_t off, size_t count)
21 {
22         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
23             struct device, kobj)));
24         struct qla_hw_data *ha = vha->hw;
25
26         if (ha->fw_dump_reading == 0)
27                 return 0;
28
29         return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
30                                         ha->fw_dump_len);
31 }
32
33 static ssize_t
34 qla2x00_sysfs_write_fw_dump(struct kobject *kobj,
35                             struct bin_attribute *bin_attr,
36                             char *buf, loff_t off, size_t count)
37 {
38         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
39             struct device, kobj)));
40         struct qla_hw_data *ha = vha->hw;
41         int reading;
42
43         if (off != 0)
44                 return (0);
45
46         reading = simple_strtol(buf, NULL, 10);
47         switch (reading) {
48         case 0:
49                 if (!ha->fw_dump_reading)
50                         break;
51
52                 qla_printk(KERN_INFO, ha,
53                     "Firmware dump cleared on (%ld).\n", vha->host_no);
54
55                 ha->fw_dump_reading = 0;
56                 ha->fw_dumped = 0;
57                 break;
58         case 1:
59                 if (ha->fw_dumped && !ha->fw_dump_reading) {
60                         ha->fw_dump_reading = 1;
61
62                         qla_printk(KERN_INFO, ha,
63                             "Raw firmware dump ready for read on (%ld).\n",
64                             vha->host_no);
65                 }
66                 break;
67         case 2:
68                 qla2x00_alloc_fw_dump(vha);
69                 break;
70         case 3:
71                 qla2x00_system_error(vha);
72                 break;
73         }
74         return (count);
75 }
76
77 static struct bin_attribute sysfs_fw_dump_attr = {
78         .attr = {
79                 .name = "fw_dump",
80                 .mode = S_IRUSR | S_IWUSR,
81         },
82         .size = 0,
83         .read = qla2x00_sysfs_read_fw_dump,
84         .write = qla2x00_sysfs_write_fw_dump,
85 };
86
87 static ssize_t
88 qla2x00_sysfs_read_nvram(struct kobject *kobj,
89                          struct bin_attribute *bin_attr,
90                          char *buf, loff_t off, size_t count)
91 {
92         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
93             struct device, kobj)));
94         struct qla_hw_data *ha = vha->hw;
95
96         if (!capable(CAP_SYS_ADMIN))
97                 return 0;
98
99         if (IS_NOCACHE_VPD_TYPE(ha))
100                 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
101                     ha->nvram_size);
102         return memory_read_from_buffer(buf, count, &off, ha->nvram,
103                                         ha->nvram_size);
104 }
105
106 static ssize_t
107 qla2x00_sysfs_write_nvram(struct kobject *kobj,
108                           struct bin_attribute *bin_attr,
109                           char *buf, loff_t off, size_t count)
110 {
111         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
112             struct device, kobj)));
113         struct qla_hw_data *ha = vha->hw;
114         uint16_t        cnt;
115
116         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
117             !ha->isp_ops->write_nvram)
118                 return 0;
119
120         /* Checksum NVRAM. */
121         if (IS_FWI2_CAPABLE(ha)) {
122                 uint32_t *iter;
123                 uint32_t chksum;
124
125                 iter = (uint32_t *)buf;
126                 chksum = 0;
127                 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
128                         chksum += le32_to_cpu(*iter++);
129                 chksum = ~chksum + 1;
130                 *iter = cpu_to_le32(chksum);
131         } else {
132                 uint8_t *iter;
133                 uint8_t chksum;
134
135                 iter = (uint8_t *)buf;
136                 chksum = 0;
137                 for (cnt = 0; cnt < count - 1; cnt++)
138                         chksum += *iter++;
139                 chksum = ~chksum + 1;
140                 *iter = chksum;
141         }
142
143         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
144                 qla_printk(KERN_WARNING, ha,
145                     "HBA not online, failing NVRAM update.\n");
146                 return -EAGAIN;
147         }
148
149         /* Write NVRAM. */
150         ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
151         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
152             count);
153
154         /* NVRAM settings take effect immediately. */
155         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
156         qla2xxx_wake_dpc(vha);
157         qla2x00_wait_for_chip_reset(vha);
158
159         return (count);
160 }
161
162 static struct bin_attribute sysfs_nvram_attr = {
163         .attr = {
164                 .name = "nvram",
165                 .mode = S_IRUSR | S_IWUSR,
166         },
167         .size = 512,
168         .read = qla2x00_sysfs_read_nvram,
169         .write = qla2x00_sysfs_write_nvram,
170 };
171
172 static ssize_t
173 qla2x00_sysfs_read_optrom(struct kobject *kobj,
174                           struct bin_attribute *bin_attr,
175                           char *buf, loff_t off, size_t count)
176 {
177         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
178             struct device, kobj)));
179         struct qla_hw_data *ha = vha->hw;
180
181         if (ha->optrom_state != QLA_SREADING)
182                 return 0;
183
184         return memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
185                                         ha->optrom_region_size);
186 }
187
188 static ssize_t
189 qla2x00_sysfs_write_optrom(struct kobject *kobj,
190                            struct bin_attribute *bin_attr,
191                            char *buf, loff_t off, size_t count)
192 {
193         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
194             struct device, kobj)));
195         struct qla_hw_data *ha = vha->hw;
196
197         if (ha->optrom_state != QLA_SWRITING)
198                 return -EINVAL;
199         if (off > ha->optrom_region_size)
200                 return -ERANGE;
201         if (off + count > ha->optrom_region_size)
202                 count = ha->optrom_region_size - off;
203
204         memcpy(&ha->optrom_buffer[off], buf, count);
205
206         return count;
207 }
208
209 static struct bin_attribute sysfs_optrom_attr = {
210         .attr = {
211                 .name = "optrom",
212                 .mode = S_IRUSR | S_IWUSR,
213         },
214         .size = 0,
215         .read = qla2x00_sysfs_read_optrom,
216         .write = qla2x00_sysfs_write_optrom,
217 };
218
219 static ssize_t
220 qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj,
221                                struct bin_attribute *bin_attr,
222                                char *buf, loff_t off, size_t count)
223 {
224         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
225             struct device, kobj)));
226         struct qla_hw_data *ha = vha->hw;
227
228         uint32_t start = 0;
229         uint32_t size = ha->optrom_size;
230         int val, valid;
231
232         if (off)
233                 return 0;
234
235         if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
236                 return -EINVAL;
237         if (start > ha->optrom_size)
238                 return -EINVAL;
239
240         switch (val) {
241         case 0:
242                 if (ha->optrom_state != QLA_SREADING &&
243                     ha->optrom_state != QLA_SWRITING)
244                         break;
245
246                 ha->optrom_state = QLA_SWAITING;
247
248                 DEBUG2(qla_printk(KERN_INFO, ha,
249                     "Freeing flash region allocation -- 0x%x bytes.\n",
250                     ha->optrom_region_size));
251
252                 vfree(ha->optrom_buffer);
253                 ha->optrom_buffer = NULL;
254                 break;
255         case 1:
256                 if (ha->optrom_state != QLA_SWAITING)
257                         break;
258
259                 ha->optrom_region_start = start;
260                 ha->optrom_region_size = start + size > ha->optrom_size ?
261                     ha->optrom_size - start : size;
262
263                 ha->optrom_state = QLA_SREADING;
264                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
265                 if (ha->optrom_buffer == NULL) {
266                         qla_printk(KERN_WARNING, ha,
267                             "Unable to allocate memory for optrom retrieval "
268                             "(%x).\n", ha->optrom_region_size);
269
270                         ha->optrom_state = QLA_SWAITING;
271                         return count;
272                 }
273
274                 DEBUG2(qla_printk(KERN_INFO, ha,
275                     "Reading flash region -- 0x%x/0x%x.\n",
276                     ha->optrom_region_start, ha->optrom_region_size));
277
278                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
279                 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
280                     ha->optrom_region_start, ha->optrom_region_size);
281                 break;
282         case 2:
283                 if (ha->optrom_state != QLA_SWAITING)
284                         break;
285
286                 /*
287                  * We need to be more restrictive on which FLASH regions are
288                  * allowed to be updated via user-space.  Regions accessible
289                  * via this method include:
290                  *
291                  * ISP21xx/ISP22xx/ISP23xx type boards:
292                  *
293                  *      0x000000 -> 0x020000 -- Boot code.
294                  *
295                  * ISP2322/ISP24xx type boards:
296                  *
297                  *      0x000000 -> 0x07ffff -- Boot code.
298                  *      0x080000 -> 0x0fffff -- Firmware.
299                  *
300                  * ISP25xx type boards:
301                  *
302                  *      0x000000 -> 0x07ffff -- Boot code.
303                  *      0x080000 -> 0x0fffff -- Firmware.
304                  *      0x120000 -> 0x12ffff -- VPD and HBA parameters.
305                  */
306                 valid = 0;
307                 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
308                         valid = 1;
309                 else if (start == (ha->flt_region_boot * 4) ||
310                     start == (ha->flt_region_fw * 4))
311                         valid = 1;
312                 else if (IS_QLA25XX(ha) || IS_QLA81XX(ha))
313                     valid = 1;
314                 if (!valid) {
315                         qla_printk(KERN_WARNING, ha,
316                             "Invalid start region 0x%x/0x%x.\n", start, size);
317                         return -EINVAL;
318                 }
319
320                 ha->optrom_region_start = start;
321                 ha->optrom_region_size = start + size > ha->optrom_size ?
322                     ha->optrom_size - start : size;
323
324                 ha->optrom_state = QLA_SWRITING;
325                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
326                 if (ha->optrom_buffer == NULL) {
327                         qla_printk(KERN_WARNING, ha,
328                             "Unable to allocate memory for optrom update "
329                             "(%x).\n", ha->optrom_region_size);
330
331                         ha->optrom_state = QLA_SWAITING;
332                         return count;
333                 }
334
335                 DEBUG2(qla_printk(KERN_INFO, ha,
336                     "Staging flash region write -- 0x%x/0x%x.\n",
337                     ha->optrom_region_start, ha->optrom_region_size));
338
339                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
340                 break;
341         case 3:
342                 if (ha->optrom_state != QLA_SWRITING)
343                         break;
344
345                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
346                         qla_printk(KERN_WARNING, ha,
347                             "HBA not online, failing flash update.\n");
348                         return -EAGAIN;
349                 }
350
351                 DEBUG2(qla_printk(KERN_INFO, ha,
352                     "Writing flash region -- 0x%x/0x%x.\n",
353                     ha->optrom_region_start, ha->optrom_region_size));
354
355                 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
356                     ha->optrom_region_start, ha->optrom_region_size);
357                 break;
358         default:
359                 count = -EINVAL;
360         }
361         return count;
362 }
363
364 static struct bin_attribute sysfs_optrom_ctl_attr = {
365         .attr = {
366                 .name = "optrom_ctl",
367                 .mode = S_IWUSR,
368         },
369         .size = 0,
370         .write = qla2x00_sysfs_write_optrom_ctl,
371 };
372
373 static ssize_t
374 qla2x00_sysfs_read_vpd(struct kobject *kobj,
375                        struct bin_attribute *bin_attr,
376                        char *buf, loff_t off, size_t count)
377 {
378         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
379             struct device, kobj)));
380         struct qla_hw_data *ha = vha->hw;
381
382         if (!capable(CAP_SYS_ADMIN))
383                 return 0;
384
385         if (IS_NOCACHE_VPD_TYPE(ha))
386                 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
387                     ha->vpd_size);
388         return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
389 }
390
391 static ssize_t
392 qla2x00_sysfs_write_vpd(struct kobject *kobj,
393                         struct bin_attribute *bin_attr,
394                         char *buf, loff_t off, size_t count)
395 {
396         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
397             struct device, kobj)));
398         struct qla_hw_data *ha = vha->hw;
399         uint8_t *tmp_data;
400
401         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
402             !ha->isp_ops->write_nvram)
403                 return 0;
404
405         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
406                 qla_printk(KERN_WARNING, ha,
407                     "HBA not online, failing VPD update.\n");
408                 return -EAGAIN;
409         }
410
411         /* Write NVRAM. */
412         ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
413         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
414
415         /* Update flash version information for 4Gb & above. */
416         if (!IS_FWI2_CAPABLE(ha))
417                 goto done;
418
419         tmp_data = vmalloc(256);
420         if (!tmp_data) {
421                 qla_printk(KERN_WARNING, ha,
422                     "Unable to allocate memory for VPD information update.\n");
423                 goto done;
424         }
425         ha->isp_ops->get_flash_version(vha, tmp_data);
426         vfree(tmp_data);
427 done:
428         return count;
429 }
430
431 static struct bin_attribute sysfs_vpd_attr = {
432         .attr = {
433                 .name = "vpd",
434                 .mode = S_IRUSR | S_IWUSR,
435         },
436         .size = 0,
437         .read = qla2x00_sysfs_read_vpd,
438         .write = qla2x00_sysfs_write_vpd,
439 };
440
441 static ssize_t
442 qla2x00_sysfs_read_sfp(struct kobject *kobj,
443                        struct bin_attribute *bin_attr,
444                        char *buf, loff_t off, size_t count)
445 {
446         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
447             struct device, kobj)));
448         struct qla_hw_data *ha = vha->hw;
449         uint16_t iter, addr, offset;
450         int rval;
451
452         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
453                 return 0;
454
455         if (ha->sfp_data)
456                 goto do_read;
457
458         ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
459             &ha->sfp_data_dma);
460         if (!ha->sfp_data) {
461                 qla_printk(KERN_WARNING, ha,
462                     "Unable to allocate memory for SFP read-data.\n");
463                 return 0;
464         }
465
466 do_read:
467         memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
468         addr = 0xa0;
469         for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
470             iter++, offset += SFP_BLOCK_SIZE) {
471                 if (iter == 4) {
472                         /* Skip to next device address. */
473                         addr = 0xa2;
474                         offset = 0;
475                 }
476
477                 rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, addr, offset,
478                     SFP_BLOCK_SIZE);
479                 if (rval != QLA_SUCCESS) {
480                         qla_printk(KERN_WARNING, ha,
481                             "Unable to read SFP data (%x/%x/%x).\n", rval,
482                             addr, offset);
483                         count = 0;
484                         break;
485                 }
486                 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
487                 buf += SFP_BLOCK_SIZE;
488         }
489
490         return count;
491 }
492
493 static struct bin_attribute sysfs_sfp_attr = {
494         .attr = {
495                 .name = "sfp",
496                 .mode = S_IRUSR | S_IWUSR,
497         },
498         .size = SFP_DEV_SIZE * 2,
499         .read = qla2x00_sysfs_read_sfp,
500 };
501
502 static ssize_t
503 qla2x00_sysfs_write_reset(struct kobject *kobj,
504                         struct bin_attribute *bin_attr,
505                         char *buf, loff_t off, size_t count)
506 {
507         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
508             struct device, kobj)));
509         struct qla_hw_data *ha = vha->hw;
510         int type;
511
512         if (off != 0)
513                 return 0;
514
515         type = simple_strtol(buf, NULL, 10);
516         switch (type) {
517         case 0x2025c:
518                 qla_printk(KERN_INFO, ha,
519                     "Issuing ISP reset on (%ld).\n", vha->host_no);
520
521                 scsi_block_requests(vha->host);
522                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
523                 qla2xxx_wake_dpc(vha);
524                 qla2x00_wait_for_chip_reset(vha);
525                 scsi_unblock_requests(vha->host);
526                 break;
527         case 0x2025d:
528                 if (!IS_QLA81XX(ha))
529                         break;
530
531                 qla_printk(KERN_INFO, ha,
532                     "Issuing MPI reset on (%ld).\n", vha->host_no);
533
534                 /* Make sure FC side is not in reset */
535                 qla2x00_wait_for_hba_online(vha);
536
537                 /* Issue MPI reset */
538                 scsi_block_requests(vha->host);
539                 if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
540                         qla_printk(KERN_WARNING, ha,
541                             "MPI reset failed on (%ld).\n", vha->host_no);
542                 scsi_unblock_requests(vha->host);
543                 break;
544         }
545         return count;
546 }
547
548 static struct bin_attribute sysfs_reset_attr = {
549         .attr = {
550                 .name = "reset",
551                 .mode = S_IWUSR,
552         },
553         .size = 0,
554         .write = qla2x00_sysfs_write_reset,
555 };
556
557 static ssize_t
558 qla2x00_sysfs_write_edc(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         uint16_t dev, adr, opt, len;
566         int rval;
567
568         ha->edc_data_len = 0;
569
570         if (!capable(CAP_SYS_ADMIN) || off != 0 || count < 8)
571                 return 0;
572
573         if (!ha->edc_data) {
574                 ha->edc_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
575                     &ha->edc_data_dma);
576                 if (!ha->edc_data) {
577                         DEBUG2(qla_printk(KERN_INFO, ha,
578                             "Unable to allocate memory for EDC write.\n"));
579                         return 0;
580                 }
581         }
582
583         dev = le16_to_cpup((void *)&buf[0]);
584         adr = le16_to_cpup((void *)&buf[2]);
585         opt = le16_to_cpup((void *)&buf[4]);
586         len = le16_to_cpup((void *)&buf[6]);
587
588         if (!(opt & BIT_0))
589                 if (len == 0 || len > DMA_POOL_SIZE || len > count - 8)
590                         return -EINVAL;
591
592         memcpy(ha->edc_data, &buf[8], len);
593
594         rval = qla2x00_write_edc(vha, dev, adr, ha->edc_data_dma,
595             ha->edc_data, len, opt);
596         if (rval != QLA_SUCCESS) {
597                 DEBUG2(qla_printk(KERN_INFO, ha,
598                     "Unable to write EDC (%x) %02x:%02x:%04x:%02x:%02x.\n",
599                     rval, dev, adr, opt, len, *buf));
600                 return 0;
601         }
602
603         return count;
604 }
605
606 static struct bin_attribute sysfs_edc_attr = {
607         .attr = {
608                 .name = "edc",
609                 .mode = S_IWUSR,
610         },
611         .size = 0,
612         .write = qla2x00_sysfs_write_edc,
613 };
614
615 static ssize_t
616 qla2x00_sysfs_write_edc_status(struct kobject *kobj,
617                         struct bin_attribute *bin_attr,
618                         char *buf, loff_t off, size_t count)
619 {
620         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
621             struct device, kobj)));
622         struct qla_hw_data *ha = vha->hw;
623         uint16_t dev, adr, opt, len;
624         int rval;
625
626         ha->edc_data_len = 0;
627
628         if (!capable(CAP_SYS_ADMIN) || off != 0 || count < 8)
629                 return 0;
630
631         if (!ha->edc_data) {
632                 ha->edc_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
633                     &ha->edc_data_dma);
634                 if (!ha->edc_data) {
635                         DEBUG2(qla_printk(KERN_INFO, ha,
636                             "Unable to allocate memory for EDC status.\n"));
637                         return 0;
638                 }
639         }
640
641         dev = le16_to_cpup((void *)&buf[0]);
642         adr = le16_to_cpup((void *)&buf[2]);
643         opt = le16_to_cpup((void *)&buf[4]);
644         len = le16_to_cpup((void *)&buf[6]);
645
646         if (!(opt & BIT_0))
647                 if (len == 0 || len > DMA_POOL_SIZE)
648                         return -EINVAL;
649
650         memset(ha->edc_data, 0, len);
651         rval = qla2x00_read_edc(vha, dev, adr, ha->edc_data_dma,
652             ha->edc_data, len, opt);
653         if (rval != QLA_SUCCESS) {
654                 DEBUG2(qla_printk(KERN_INFO, ha,
655                     "Unable to write EDC status (%x) %02x:%02x:%04x:%02x.\n",
656                     rval, dev, adr, opt, len));
657                 return 0;
658         }
659
660         ha->edc_data_len = len;
661
662         return count;
663 }
664
665 static ssize_t
666 qla2x00_sysfs_read_edc_status(struct kobject *kobj,
667                            struct bin_attribute *bin_attr,
668                            char *buf, loff_t off, size_t count)
669 {
670         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
671             struct device, kobj)));
672         struct qla_hw_data *ha = vha->hw;
673
674         if (!capable(CAP_SYS_ADMIN) || off != 0 || count == 0)
675                 return 0;
676
677         if (!ha->edc_data || ha->edc_data_len == 0 || ha->edc_data_len > count)
678                 return -EINVAL;
679
680         memcpy(buf, ha->edc_data, ha->edc_data_len);
681
682         return ha->edc_data_len;
683 }
684
685 static struct bin_attribute sysfs_edc_status_attr = {
686         .attr = {
687                 .name = "edc_status",
688                 .mode = S_IRUSR | S_IWUSR,
689         },
690         .size = 0,
691         .write = qla2x00_sysfs_write_edc_status,
692         .read = qla2x00_sysfs_read_edc_status,
693 };
694
695 static ssize_t
696 qla2x00_sysfs_read_xgmac_stats(struct kobject *kobj,
697                        struct bin_attribute *bin_attr,
698                        char *buf, loff_t off, size_t count)
699 {
700         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
701             struct device, kobj)));
702         struct qla_hw_data *ha = vha->hw;
703         int rval;
704         uint16_t actual_size;
705
706         if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
707                 return 0;
708
709         if (ha->xgmac_data)
710                 goto do_read;
711
712         ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
713             &ha->xgmac_data_dma, GFP_KERNEL);
714         if (!ha->xgmac_data) {
715                 qla_printk(KERN_WARNING, ha,
716                     "Unable to allocate memory for XGMAC read-data.\n");
717                 return 0;
718         }
719
720 do_read:
721         actual_size = 0;
722         memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
723
724         rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
725             XGMAC_DATA_SIZE, &actual_size);
726         if (rval != QLA_SUCCESS) {
727                 qla_printk(KERN_WARNING, ha,
728                     "Unable to read XGMAC data (%x).\n", rval);
729                 count = 0;
730         }
731
732         count = actual_size > count ? count: actual_size;
733         memcpy(buf, ha->xgmac_data, count);
734
735         return count;
736 }
737
738 static struct bin_attribute sysfs_xgmac_stats_attr = {
739         .attr = {
740                 .name = "xgmac_stats",
741                 .mode = S_IRUSR,
742         },
743         .size = 0,
744         .read = qla2x00_sysfs_read_xgmac_stats,
745 };
746
747 static struct sysfs_entry {
748         char *name;
749         struct bin_attribute *attr;
750         int is4GBp_only;
751 } bin_file_entries[] = {
752         { "fw_dump", &sysfs_fw_dump_attr, },
753         { "nvram", &sysfs_nvram_attr, },
754         { "optrom", &sysfs_optrom_attr, },
755         { "optrom_ctl", &sysfs_optrom_ctl_attr, },
756         { "vpd", &sysfs_vpd_attr, 1 },
757         { "sfp", &sysfs_sfp_attr, 1 },
758         { "reset", &sysfs_reset_attr, },
759         { "edc", &sysfs_edc_attr, 2 },
760         { "edc_status", &sysfs_edc_status_attr, 2 },
761         { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
762         { NULL },
763 };
764
765 void
766 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
767 {
768         struct Scsi_Host *host = vha->host;
769         struct sysfs_entry *iter;
770         int ret;
771
772         for (iter = bin_file_entries; iter->name; iter++) {
773                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
774                         continue;
775                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
776                         continue;
777                 if (iter->is4GBp_only == 3 && !IS_QLA81XX(vha->hw))
778                         continue;
779
780                 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
781                     iter->attr);
782                 if (ret)
783                         qla_printk(KERN_INFO, vha->hw,
784                             "Unable to create sysfs %s binary attribute "
785                             "(%d).\n", iter->name, ret);
786         }
787 }
788
789 void
790 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha)
791 {
792         struct Scsi_Host *host = vha->host;
793         struct sysfs_entry *iter;
794         struct qla_hw_data *ha = vha->hw;
795
796         for (iter = bin_file_entries; iter->name; iter++) {
797                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
798                         continue;
799                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
800                         continue;
801                 if (iter->is4GBp_only == 3 && !IS_QLA81XX(ha))
802                         continue;
803
804                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
805                     iter->attr);
806         }
807
808         if (ha->beacon_blink_led == 1)
809                 ha->isp_ops->beacon_off(vha);
810 }
811
812 /* Scsi_Host attributes. */
813
814 static ssize_t
815 qla2x00_drvr_version_show(struct device *dev,
816                           struct device_attribute *attr, char *buf)
817 {
818         return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
819 }
820
821 static ssize_t
822 qla2x00_fw_version_show(struct device *dev,
823                         struct device_attribute *attr, char *buf)
824 {
825         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
826         struct qla_hw_data *ha = vha->hw;
827         char fw_str[128];
828
829         return snprintf(buf, PAGE_SIZE, "%s\n",
830             ha->isp_ops->fw_version_str(vha, fw_str));
831 }
832
833 static ssize_t
834 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
835                         char *buf)
836 {
837         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
838         struct qla_hw_data *ha = vha->hw;
839         uint32_t sn;
840
841         if (IS_FWI2_CAPABLE(ha)) {
842                 qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE);
843                 return snprintf(buf, PAGE_SIZE, "%s\n", buf);
844         }
845
846         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
847         return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
848             sn % 100000);
849 }
850
851 static ssize_t
852 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
853                       char *buf)
854 {
855         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
856         return snprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
857 }
858
859 static ssize_t
860 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
861                     char *buf)
862 {
863         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
864         struct qla_hw_data *ha = vha->hw;
865         return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
866             ha->product_id[0], ha->product_id[1], ha->product_id[2],
867             ha->product_id[3]);
868 }
869
870 static ssize_t
871 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
872                         char *buf)
873 {
874         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
875         return snprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
876 }
877
878 static ssize_t
879 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
880                         char *buf)
881 {
882         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
883         return snprintf(buf, PAGE_SIZE, "%s\n",
884             vha->hw->model_desc ? vha->hw->model_desc : "");
885 }
886
887 static ssize_t
888 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
889                       char *buf)
890 {
891         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
892         char pci_info[30];
893
894         return snprintf(buf, PAGE_SIZE, "%s\n",
895             vha->hw->isp_ops->pci_info_str(vha, pci_info));
896 }
897
898 static ssize_t
899 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
900                         char *buf)
901 {
902         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
903         struct qla_hw_data *ha = vha->hw;
904         int len = 0;
905
906         if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
907             atomic_read(&vha->loop_state) == LOOP_DEAD)
908                 len = snprintf(buf, PAGE_SIZE, "Link Down\n");
909         else if (atomic_read(&vha->loop_state) != LOOP_READY ||
910             test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
911             test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
912                 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
913         else {
914                 len = snprintf(buf, PAGE_SIZE, "Link Up - ");
915
916                 switch (ha->current_topology) {
917                 case ISP_CFG_NL:
918                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
919                         break;
920                 case ISP_CFG_FL:
921                         len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
922                         break;
923                 case ISP_CFG_N:
924                         len += snprintf(buf + len, PAGE_SIZE-len,
925                             "N_Port to N_Port\n");
926                         break;
927                 case ISP_CFG_F:
928                         len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
929                         break;
930                 default:
931                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
932                         break;
933                 }
934         }
935         return len;
936 }
937
938 static ssize_t
939 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
940                  char *buf)
941 {
942         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
943         int len = 0;
944
945         switch (vha->hw->zio_mode) {
946         case QLA_ZIO_MODE_6:
947                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
948                 break;
949         case QLA_ZIO_DISABLED:
950                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
951                 break;
952         }
953         return len;
954 }
955
956 static ssize_t
957 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
958                   const char *buf, size_t count)
959 {
960         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
961         struct qla_hw_data *ha = vha->hw;
962         int val = 0;
963         uint16_t zio_mode;
964
965         if (!IS_ZIO_SUPPORTED(ha))
966                 return -ENOTSUPP;
967
968         if (sscanf(buf, "%d", &val) != 1)
969                 return -EINVAL;
970
971         if (val)
972                 zio_mode = QLA_ZIO_MODE_6;
973         else
974                 zio_mode = QLA_ZIO_DISABLED;
975
976         /* Update per-hba values and queue a reset. */
977         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
978                 ha->zio_mode = zio_mode;
979                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
980         }
981         return strlen(buf);
982 }
983
984 static ssize_t
985 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
986                        char *buf)
987 {
988         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
989
990         return snprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
991 }
992
993 static ssize_t
994 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
995                         const char *buf, size_t count)
996 {
997         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
998         int val = 0;
999         uint16_t zio_timer;
1000
1001         if (sscanf(buf, "%d", &val) != 1)
1002                 return -EINVAL;
1003         if (val > 25500 || val < 100)
1004                 return -ERANGE;
1005
1006         zio_timer = (uint16_t)(val / 100);
1007         vha->hw->zio_timer = zio_timer;
1008
1009         return strlen(buf);
1010 }
1011
1012 static ssize_t
1013 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1014                     char *buf)
1015 {
1016         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1017         int len = 0;
1018
1019         if (vha->hw->beacon_blink_led)
1020                 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1021         else
1022                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1023         return len;
1024 }
1025
1026 static ssize_t
1027 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1028                      const char *buf, size_t count)
1029 {
1030         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1031         struct qla_hw_data *ha = vha->hw;
1032         int val = 0;
1033         int rval;
1034
1035         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1036                 return -EPERM;
1037
1038         if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
1039                 qla_printk(KERN_WARNING, ha,
1040                     "Abort ISP active -- ignoring beacon request.\n");
1041                 return -EBUSY;
1042         }
1043
1044         if (sscanf(buf, "%d", &val) != 1)
1045                 return -EINVAL;
1046
1047         if (val)
1048                 rval = ha->isp_ops->beacon_on(vha);
1049         else
1050                 rval = ha->isp_ops->beacon_off(vha);
1051
1052         if (rval != QLA_SUCCESS)
1053                 count = 0;
1054
1055         return count;
1056 }
1057
1058 static ssize_t
1059 qla2x00_optrom_bios_version_show(struct device *dev,
1060                                  struct device_attribute *attr, char *buf)
1061 {
1062         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1063         struct qla_hw_data *ha = vha->hw;
1064         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1065             ha->bios_revision[0]);
1066 }
1067
1068 static ssize_t
1069 qla2x00_optrom_efi_version_show(struct device *dev,
1070                                 struct device_attribute *attr, char *buf)
1071 {
1072         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1073         struct qla_hw_data *ha = vha->hw;
1074         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1075             ha->efi_revision[0]);
1076 }
1077
1078 static ssize_t
1079 qla2x00_optrom_fcode_version_show(struct device *dev,
1080                                   struct device_attribute *attr, char *buf)
1081 {
1082         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1083         struct qla_hw_data *ha = vha->hw;
1084         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1085             ha->fcode_revision[0]);
1086 }
1087
1088 static ssize_t
1089 qla2x00_optrom_fw_version_show(struct device *dev,
1090                                struct device_attribute *attr, char *buf)
1091 {
1092         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1093         struct qla_hw_data *ha = vha->hw;
1094         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1095             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1096             ha->fw_revision[3]);
1097 }
1098
1099 static ssize_t
1100 qla2x00_total_isp_aborts_show(struct device *dev,
1101                               struct device_attribute *attr, char *buf)
1102 {
1103         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1104         struct qla_hw_data *ha = vha->hw;
1105         return snprintf(buf, PAGE_SIZE, "%d\n",
1106             ha->qla_stats.total_isp_aborts);
1107 }
1108
1109 static ssize_t
1110 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1111     char *buf)
1112 {
1113         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1114         struct qla_hw_data *ha = vha->hw;
1115
1116         if (!IS_QLA81XX(ha))
1117                 return snprintf(buf, PAGE_SIZE, "\n");
1118
1119         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1120             ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1121             ha->mpi_capabilities);
1122 }
1123
1124 static ssize_t
1125 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1126     char *buf)
1127 {
1128         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1129         struct qla_hw_data *ha = vha->hw;
1130
1131         if (!IS_QLA81XX(ha))
1132                 return snprintf(buf, PAGE_SIZE, "\n");
1133
1134         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1135             ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1136 }
1137
1138 static ssize_t
1139 qla2x00_flash_block_size_show(struct device *dev,
1140                               struct device_attribute *attr, char *buf)
1141 {
1142         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1143         struct qla_hw_data *ha = vha->hw;
1144
1145         return snprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1146 }
1147
1148 static ssize_t
1149 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1150     char *buf)
1151 {
1152         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1153
1154         if (!IS_QLA81XX(vha->hw))
1155                 return snprintf(buf, PAGE_SIZE, "\n");
1156
1157         return snprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1158 }
1159
1160 static ssize_t
1161 qla2x00_vn_port_mac_address_show(struct device *dev,
1162     struct device_attribute *attr, char *buf)
1163 {
1164         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1165
1166         if (!IS_QLA81XX(vha->hw))
1167                 return snprintf(buf, PAGE_SIZE, "\n");
1168
1169         return snprintf(buf, PAGE_SIZE, "%02x:%02x:%02x:%02x:%02x:%02x\n",
1170             vha->fcoe_vn_port_mac[5], vha->fcoe_vn_port_mac[4],
1171             vha->fcoe_vn_port_mac[3], vha->fcoe_vn_port_mac[2],
1172             vha->fcoe_vn_port_mac[1], vha->fcoe_vn_port_mac[0]);
1173 }
1174
1175 static ssize_t
1176 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1177     char *buf)
1178 {
1179         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1180
1181         return snprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1182 }
1183
1184 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
1185 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
1186 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
1187 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
1188 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
1189 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
1190 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
1191 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
1192 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
1193 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
1194 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
1195                    qla2x00_zio_timer_store);
1196 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
1197                    qla2x00_beacon_store);
1198 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
1199                    qla2x00_optrom_bios_version_show, NULL);
1200 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
1201                    qla2x00_optrom_efi_version_show, NULL);
1202 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
1203                    qla2x00_optrom_fcode_version_show, NULL);
1204 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
1205                    NULL);
1206 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
1207                    NULL);
1208 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
1209 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
1210 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
1211                    NULL);
1212 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
1213 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
1214                    qla2x00_vn_port_mac_address_show, NULL);
1215 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
1216
1217 struct device_attribute *qla2x00_host_attrs[] = {
1218         &dev_attr_driver_version,
1219         &dev_attr_fw_version,
1220         &dev_attr_serial_num,
1221         &dev_attr_isp_name,
1222         &dev_attr_isp_id,
1223         &dev_attr_model_name,
1224         &dev_attr_model_desc,
1225         &dev_attr_pci_info,
1226         &dev_attr_link_state,
1227         &dev_attr_zio,
1228         &dev_attr_zio_timer,
1229         &dev_attr_beacon,
1230         &dev_attr_optrom_bios_version,
1231         &dev_attr_optrom_efi_version,
1232         &dev_attr_optrom_fcode_version,
1233         &dev_attr_optrom_fw_version,
1234         &dev_attr_total_isp_aborts,
1235         &dev_attr_mpi_version,
1236         &dev_attr_phy_version,
1237         &dev_attr_flash_block_size,
1238         &dev_attr_vlan_id,
1239         &dev_attr_vn_port_mac_address,
1240         &dev_attr_fabric_param,
1241         NULL,
1242 };
1243
1244 /* Host attributes. */
1245
1246 static void
1247 qla2x00_get_host_port_id(struct Scsi_Host *shost)
1248 {
1249         scsi_qla_host_t *vha = shost_priv(shost);
1250
1251         fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
1252             vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
1253 }
1254
1255 static void
1256 qla2x00_get_host_speed(struct Scsi_Host *shost)
1257 {
1258         struct qla_hw_data *ha = ((struct scsi_qla_host *)
1259                                         (shost_priv(shost)))->hw;
1260         u32 speed = FC_PORTSPEED_UNKNOWN;
1261
1262         switch (ha->link_data_rate) {
1263         case PORT_SPEED_1GB:
1264                 speed = FC_PORTSPEED_1GBIT;
1265                 break;
1266         case PORT_SPEED_2GB:
1267                 speed = FC_PORTSPEED_2GBIT;
1268                 break;
1269         case PORT_SPEED_4GB:
1270                 speed = FC_PORTSPEED_4GBIT;
1271                 break;
1272         case PORT_SPEED_8GB:
1273                 speed = FC_PORTSPEED_8GBIT;
1274                 break;
1275         case PORT_SPEED_10GB:
1276                 speed = FC_PORTSPEED_10GBIT;
1277                 break;
1278         }
1279         fc_host_speed(shost) = speed;
1280 }
1281
1282 static void
1283 qla2x00_get_host_port_type(struct Scsi_Host *shost)
1284 {
1285         scsi_qla_host_t *vha = shost_priv(shost);
1286         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
1287
1288         if (vha->vp_idx) {
1289                 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1290                 return;
1291         }
1292         switch (vha->hw->current_topology) {
1293         case ISP_CFG_NL:
1294                 port_type = FC_PORTTYPE_LPORT;
1295                 break;
1296         case ISP_CFG_FL:
1297                 port_type = FC_PORTTYPE_NLPORT;
1298                 break;
1299         case ISP_CFG_N:
1300                 port_type = FC_PORTTYPE_PTP;
1301                 break;
1302         case ISP_CFG_F:
1303                 port_type = FC_PORTTYPE_NPORT;
1304                 break;
1305         }
1306         fc_host_port_type(shost) = port_type;
1307 }
1308
1309 static void
1310 qla2x00_get_starget_node_name(struct scsi_target *starget)
1311 {
1312         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1313         scsi_qla_host_t *vha = shost_priv(host);
1314         fc_port_t *fcport;
1315         u64 node_name = 0;
1316
1317         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1318                 if (fcport->rport &&
1319                     starget->id == fcport->rport->scsi_target_id) {
1320                         node_name = wwn_to_u64(fcport->node_name);
1321                         break;
1322                 }
1323         }
1324
1325         fc_starget_node_name(starget) = node_name;
1326 }
1327
1328 static void
1329 qla2x00_get_starget_port_name(struct scsi_target *starget)
1330 {
1331         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1332         scsi_qla_host_t *vha = shost_priv(host);
1333         fc_port_t *fcport;
1334         u64 port_name = 0;
1335
1336         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1337                 if (fcport->rport &&
1338                     starget->id == fcport->rport->scsi_target_id) {
1339                         port_name = wwn_to_u64(fcport->port_name);
1340                         break;
1341                 }
1342         }
1343
1344         fc_starget_port_name(starget) = port_name;
1345 }
1346
1347 static void
1348 qla2x00_get_starget_port_id(struct scsi_target *starget)
1349 {
1350         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1351         scsi_qla_host_t *vha = shost_priv(host);
1352         fc_port_t *fcport;
1353         uint32_t port_id = ~0U;
1354
1355         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1356                 if (fcport->rport &&
1357                     starget->id == fcport->rport->scsi_target_id) {
1358                         port_id = fcport->d_id.b.domain << 16 |
1359                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
1360                         break;
1361                 }
1362         }
1363
1364         fc_starget_port_id(starget) = port_id;
1365 }
1366
1367 static void
1368 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1369 {
1370         if (timeout)
1371                 rport->dev_loss_tmo = timeout;
1372         else
1373                 rport->dev_loss_tmo = 1;
1374 }
1375
1376 static void
1377 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
1378 {
1379         struct Scsi_Host *host = rport_to_shost(rport);
1380         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1381
1382         if (!fcport)
1383                 return;
1384
1385         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev)))
1386                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1387         else
1388                 qla2x00_abort_fcport_cmds(fcport);
1389
1390         /*
1391          * Transport has effectively 'deleted' the rport, clear
1392          * all local references.
1393          */
1394         spin_lock_irq(host->host_lock);
1395         fcport->rport = NULL;
1396         *((fc_port_t **)rport->dd_data) = NULL;
1397         spin_unlock_irq(host->host_lock);
1398 }
1399
1400 static void
1401 qla2x00_terminate_rport_io(struct fc_rport *rport)
1402 {
1403         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1404
1405         if (!fcport)
1406                 return;
1407
1408         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1409                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1410                 return;
1411         }
1412         /*
1413          * At this point all fcport's software-states are cleared.  Perform any
1414          * final cleanup of firmware resources (PCBs and XCBs).
1415          */
1416         if (fcport->loop_id != FC_NO_LOOP_ID)
1417                 fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
1418                         fcport->loop_id, fcport->d_id.b.domain,
1419                         fcport->d_id.b.area, fcport->d_id.b.al_pa);
1420
1421         qla2x00_abort_fcport_cmds(fcport);
1422 }
1423
1424 static int
1425 qla2x00_issue_lip(struct Scsi_Host *shost)
1426 {
1427         scsi_qla_host_t *vha = shost_priv(shost);
1428
1429         qla2x00_loop_reset(vha);
1430         return 0;
1431 }
1432
1433 static struct fc_host_statistics *
1434 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1435 {
1436         scsi_qla_host_t *vha = shost_priv(shost);
1437         struct qla_hw_data *ha = vha->hw;
1438         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1439         int rval;
1440         struct link_statistics *stats;
1441         dma_addr_t stats_dma;
1442         struct fc_host_statistics *pfc_host_stat;
1443
1444         pfc_host_stat = &ha->fc_host_stat;
1445         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
1446
1447         stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
1448         if (stats == NULL) {
1449                 DEBUG2_3_11(printk("%s(%ld): Failed to allocate memory.\n",
1450                     __func__, base_vha->host_no));
1451                 goto done;
1452         }
1453         memset(stats, 0, DMA_POOL_SIZE);
1454
1455         rval = QLA_FUNCTION_FAILED;
1456         if (IS_FWI2_CAPABLE(ha)) {
1457                 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
1458         } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
1459                     !test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) &&
1460                     !test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1461                     !ha->dpc_active) {
1462                 /* Must be in a 'READY' state for statistics retrieval. */
1463                 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
1464                                                 stats, stats_dma);
1465         }
1466
1467         if (rval != QLA_SUCCESS)
1468                 goto done_free;
1469
1470         pfc_host_stat->link_failure_count = stats->link_fail_cnt;
1471         pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt;
1472         pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt;
1473         pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
1474         pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt;
1475         pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt;
1476         if (IS_FWI2_CAPABLE(ha)) {
1477                 pfc_host_stat->lip_count = stats->lip_cnt;
1478                 pfc_host_stat->tx_frames = stats->tx_frames;
1479                 pfc_host_stat->rx_frames = stats->rx_frames;
1480                 pfc_host_stat->dumped_frames = stats->dumped_frames;
1481                 pfc_host_stat->nos_count = stats->nos_rcvd;
1482         }
1483         pfc_host_stat->fcp_input_megabytes = ha->qla_stats.input_bytes >> 20;
1484         pfc_host_stat->fcp_output_megabytes = ha->qla_stats.output_bytes >> 20;
1485
1486 done_free:
1487         dma_pool_free(ha->s_dma_pool, stats, stats_dma);
1488 done:
1489         return pfc_host_stat;
1490 }
1491
1492 static void
1493 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
1494 {
1495         scsi_qla_host_t *vha = shost_priv(shost);
1496
1497         qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost));
1498 }
1499
1500 static void
1501 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
1502 {
1503         scsi_qla_host_t *vha = shost_priv(shost);
1504
1505         set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1506 }
1507
1508 static void
1509 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
1510 {
1511         scsi_qla_host_t *vha = shost_priv(shost);
1512         u64 node_name;
1513
1514         if (vha->device_flags & SWITCH_FOUND)
1515                 node_name = wwn_to_u64(vha->fabric_node_name);
1516         else
1517                 node_name = wwn_to_u64(vha->node_name);
1518
1519         fc_host_fabric_name(shost) = node_name;
1520 }
1521
1522 static void
1523 qla2x00_get_host_port_state(struct Scsi_Host *shost)
1524 {
1525         scsi_qla_host_t *vha = shost_priv(shost);
1526         struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
1527
1528         if (!base_vha->flags.online)
1529                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1530         else if (atomic_read(&base_vha->loop_state) == LOOP_TIMEOUT)
1531                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1532         else
1533                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1534 }
1535
1536 static int
1537 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
1538 {
1539         int     ret = 0;
1540         uint8_t qos = 0;
1541         scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
1542         scsi_qla_host_t *vha = NULL;
1543         struct qla_hw_data *ha = base_vha->hw;
1544         uint16_t options = 0;
1545         int     cnt;
1546
1547         ret = qla24xx_vport_create_req_sanity_check(fc_vport);
1548         if (ret) {
1549                 DEBUG15(printk("qla24xx_vport_create_req_sanity_check failed, "
1550                     "status %x\n", ret));
1551                 return (ret);
1552         }
1553
1554         vha = qla24xx_create_vhost(fc_vport);
1555         if (vha == NULL) {
1556                 DEBUG15(printk ("qla24xx_create_vhost failed, vha = %p\n",
1557                     vha));
1558                 return FC_VPORT_FAILED;
1559         }
1560         if (disable) {
1561                 atomic_set(&vha->vp_state, VP_OFFLINE);
1562                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
1563         } else
1564                 atomic_set(&vha->vp_state, VP_FAILED);
1565
1566         /* ready to create vport */
1567         qla_printk(KERN_INFO, vha->hw, "VP entry id %d assigned.\n",
1568                                                         vha->vp_idx);
1569
1570         /* initialized vport states */
1571         atomic_set(&vha->loop_state, LOOP_DOWN);
1572         vha->vp_err_state=  VP_ERR_PORTDWN;
1573         vha->vp_prev_err_state=  VP_ERR_UNKWN;
1574         /* Check if physical ha port is Up */
1575         if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
1576             atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
1577                 /* Don't retry or attempt login of this virtual port */
1578                 DEBUG15(printk ("scsi(%ld): pport loop_state is not UP.\n",
1579                     base_vha->host_no));
1580                 atomic_set(&vha->loop_state, LOOP_DEAD);
1581                 if (!disable)
1582                         fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
1583         }
1584
1585         if (scsi_add_host(vha->host, &fc_vport->dev)) {
1586                 DEBUG15(printk("scsi(%ld): scsi_add_host failure for VP[%d].\n",
1587                         vha->host_no, vha->vp_idx));
1588                 goto vport_create_failed_2;
1589         }
1590
1591         /* initialize attributes */
1592         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
1593         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
1594         fc_host_supported_classes(vha->host) =
1595                 fc_host_supported_classes(base_vha->host);
1596         fc_host_supported_speeds(vha->host) =
1597                 fc_host_supported_speeds(base_vha->host);
1598
1599         qla24xx_vport_disable(fc_vport, disable);
1600
1601         ret = 0;
1602         if (ha->cur_vport_count <= ha->flex_port_count || ql2xmultique_tag
1603                 || ha->max_req_queues == 1 || !ha->npiv_info)
1604                 goto vport_queue;
1605         /* Create a request queue in QoS mode for the vport */
1606         for (cnt = ha->flex_port_count; cnt < ha->nvram_npiv_size; cnt++) {
1607                 if (ha->npiv_info[cnt].port_name == vha->port_name &&
1608                         ha->npiv_info[cnt].node_name == vha->node_name) {
1609                         qos = ha->npiv_info[cnt].q_qos;
1610                         break;
1611                 }
1612         }
1613         if (qos) {
1614                 ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0,
1615                         qos);
1616                 if (!ret)
1617                         qla_printk(KERN_WARNING, ha,
1618                         "Can't create request queue for vp_idx:%d\n",
1619                         vha->vp_idx);
1620                 else
1621                         DEBUG2(qla_printk(KERN_INFO, ha,
1622                         "Request Que:%d created for vp_idx:%d\n",
1623                         ret, vha->vp_idx));
1624         }
1625
1626 vport_queue:
1627         vha->req = ha->req_q_map[ret];
1628         return 0;
1629
1630 vport_create_failed_2:
1631         qla24xx_disable_vp(vha);
1632         qla24xx_deallocate_vp_id(vha);
1633         scsi_host_put(vha->host);
1634         return FC_VPORT_FAILED;
1635 }
1636
1637 static int
1638 qla24xx_vport_delete(struct fc_vport *fc_vport)
1639 {
1640         scsi_qla_host_t *vha = fc_vport->dd_data;
1641         fc_port_t *fcport, *tfcport;
1642         struct qla_hw_data *ha = vha->hw;
1643         uint16_t id = vha->vp_idx;
1644
1645         while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
1646             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
1647                 msleep(1000);
1648
1649         qla24xx_disable_vp(vha);
1650
1651         fc_remove_host(vha->host);
1652
1653         scsi_remove_host(vha->host);
1654
1655         list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
1656                 list_del(&fcport->list);
1657                 kfree(fcport);
1658                 fcport = NULL;
1659         }
1660
1661         qla24xx_deallocate_vp_id(vha);
1662
1663         if (vha->timer_active) {
1664                 qla2x00_vp_stop_timer(vha);
1665                 DEBUG15(printk ("scsi(%ld): timer for the vport[%d] = %p "
1666                     "has stopped\n",
1667                     vha->host_no, vha->vp_idx, vha));
1668         }
1669
1670         if (vha->req->id && !ql2xmultique_tag) {
1671                 if (qla25xx_delete_req_que(vha, vha->req) != QLA_SUCCESS)
1672                         qla_printk(KERN_WARNING, ha,
1673                                 "Queue delete failed.\n");
1674         }
1675
1676         scsi_host_put(vha->host);
1677         qla_printk(KERN_INFO, ha, "vport %d deleted\n", id);
1678         return 0;
1679 }
1680
1681 static int
1682 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
1683 {
1684         scsi_qla_host_t *vha = fc_vport->dd_data;
1685
1686         if (disable)
1687                 qla24xx_disable_vp(vha);
1688         else
1689                 qla24xx_enable_vp(vha);
1690
1691         return 0;
1692 }
1693
1694 struct fc_function_template qla2xxx_transport_functions = {
1695
1696         .show_host_node_name = 1,
1697         .show_host_port_name = 1,
1698         .show_host_supported_classes = 1,
1699         .show_host_supported_speeds = 1,
1700
1701         .get_host_port_id = qla2x00_get_host_port_id,
1702         .show_host_port_id = 1,
1703         .get_host_speed = qla2x00_get_host_speed,
1704         .show_host_speed = 1,
1705         .get_host_port_type = qla2x00_get_host_port_type,
1706         .show_host_port_type = 1,
1707         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
1708         .show_host_symbolic_name = 1,
1709         .set_host_system_hostname = qla2x00_set_host_system_hostname,
1710         .show_host_system_hostname = 1,
1711         .get_host_fabric_name = qla2x00_get_host_fabric_name,
1712         .show_host_fabric_name = 1,
1713         .get_host_port_state = qla2x00_get_host_port_state,
1714         .show_host_port_state = 1,
1715
1716         .dd_fcrport_size = sizeof(struct fc_port *),
1717         .show_rport_supported_classes = 1,
1718
1719         .get_starget_node_name = qla2x00_get_starget_node_name,
1720         .show_starget_node_name = 1,
1721         .get_starget_port_name = qla2x00_get_starget_port_name,
1722         .show_starget_port_name = 1,
1723         .get_starget_port_id  = qla2x00_get_starget_port_id,
1724         .show_starget_port_id = 1,
1725
1726         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
1727         .show_rport_dev_loss_tmo = 1,
1728
1729         .issue_fc_host_lip = qla2x00_issue_lip,
1730         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
1731         .terminate_rport_io = qla2x00_terminate_rport_io,
1732         .get_fc_host_stats = qla2x00_get_fc_host_stats,
1733
1734         .vport_create = qla24xx_vport_create,
1735         .vport_disable = qla24xx_vport_disable,
1736         .vport_delete = qla24xx_vport_delete,
1737 };
1738
1739 struct fc_function_template qla2xxx_transport_vport_functions = {
1740
1741         .show_host_node_name = 1,
1742         .show_host_port_name = 1,
1743         .show_host_supported_classes = 1,
1744
1745         .get_host_port_id = qla2x00_get_host_port_id,
1746         .show_host_port_id = 1,
1747         .get_host_speed = qla2x00_get_host_speed,
1748         .show_host_speed = 1,
1749         .get_host_port_type = qla2x00_get_host_port_type,
1750         .show_host_port_type = 1,
1751         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
1752         .show_host_symbolic_name = 1,
1753         .set_host_system_hostname = qla2x00_set_host_system_hostname,
1754         .show_host_system_hostname = 1,
1755         .get_host_fabric_name = qla2x00_get_host_fabric_name,
1756         .show_host_fabric_name = 1,
1757         .get_host_port_state = qla2x00_get_host_port_state,
1758         .show_host_port_state = 1,
1759
1760         .dd_fcrport_size = sizeof(struct fc_port *),
1761         .show_rport_supported_classes = 1,
1762
1763         .get_starget_node_name = qla2x00_get_starget_node_name,
1764         .show_starget_node_name = 1,
1765         .get_starget_port_name = qla2x00_get_starget_port_name,
1766         .show_starget_port_name = 1,
1767         .get_starget_port_id  = qla2x00_get_starget_port_id,
1768         .show_starget_port_id = 1,
1769
1770         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
1771         .show_rport_dev_loss_tmo = 1,
1772
1773         .issue_fc_host_lip = qla2x00_issue_lip,
1774         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
1775         .terminate_rport_io = qla2x00_terminate_rport_io,
1776         .get_fc_host_stats = qla2x00_get_fc_host_stats,
1777 };
1778
1779 void
1780 qla2x00_init_host_attr(scsi_qla_host_t *vha)
1781 {
1782         struct qla_hw_data *ha = vha->hw;
1783         u32 speed = FC_PORTSPEED_UNKNOWN;
1784
1785         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
1786         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
1787         fc_host_supported_classes(vha->host) = FC_COS_CLASS3;
1788         fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
1789         fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
1790
1791         if (IS_QLA81XX(ha))
1792                 speed = FC_PORTSPEED_10GBIT;
1793         else if (IS_QLA25XX(ha))
1794                 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
1795                     FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
1796         else if (IS_QLA24XX_TYPE(ha))
1797                 speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
1798                     FC_PORTSPEED_1GBIT;
1799         else if (IS_QLA23XX(ha))
1800                 speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
1801         else
1802                 speed = FC_PORTSPEED_1GBIT;
1803         fc_host_supported_speeds(vha->host) = speed;
1804 }