xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_attr.c (revision 715f23b6)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2014 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 #include "qla_target.h"
9 
10 #include <linux/kthread.h>
11 #include <linux/vmalloc.h>
12 #include <linux/slab.h>
13 #include <linux/delay.h>
14 
15 static int qla24xx_vport_disable(struct fc_vport *, bool);
16 
17 /* SYSFS attributes --------------------------------------------------------- */
18 
19 static ssize_t
20 qla2x00_sysfs_read_fw_dump(struct file *filp, struct kobject *kobj,
21 			   struct bin_attribute *bin_attr,
22 			   char *buf, loff_t off, size_t count)
23 {
24 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
25 	    struct device, kobj)));
26 	struct qla_hw_data *ha = vha->hw;
27 	int rval = 0;
28 
29 	if (!(ha->fw_dump_reading || ha->mctp_dump_reading))
30 		return 0;
31 
32 	mutex_lock(&ha->optrom_mutex);
33 	if (IS_P3P_TYPE(ha)) {
34 		if (off < ha->md_template_size) {
35 			rval = memory_read_from_buffer(buf, count,
36 			    &off, ha->md_tmplt_hdr, ha->md_template_size);
37 		} else {
38 			off -= ha->md_template_size;
39 			rval = memory_read_from_buffer(buf, count,
40 			    &off, ha->md_dump, ha->md_dump_size);
41 		}
42 	} else if (ha->mctp_dumped && ha->mctp_dump_reading) {
43 		rval = memory_read_from_buffer(buf, count, &off, ha->mctp_dump,
44 		    MCTP_DUMP_SIZE);
45 	} else if (ha->fw_dump_reading) {
46 		rval = memory_read_from_buffer(buf, count, &off, ha->fw_dump,
47 					ha->fw_dump_len);
48 	} else {
49 		rval = 0;
50 	}
51 	mutex_unlock(&ha->optrom_mutex);
52 	return rval;
53 }
54 
55 static ssize_t
56 qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj,
57 			    struct bin_attribute *bin_attr,
58 			    char *buf, loff_t off, size_t count)
59 {
60 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
61 	    struct device, kobj)));
62 	struct qla_hw_data *ha = vha->hw;
63 	int reading;
64 
65 	if (off != 0)
66 		return (0);
67 
68 	reading = simple_strtol(buf, NULL, 10);
69 	switch (reading) {
70 	case 0:
71 		if (!ha->fw_dump_reading)
72 			break;
73 
74 		ql_log(ql_log_info, vha, 0x705d,
75 		    "Firmware dump cleared on (%ld).\n", vha->host_no);
76 
77 		if (IS_P3P_TYPE(ha)) {
78 			qla82xx_md_free(vha);
79 			qla82xx_md_prep(vha);
80 		}
81 		ha->fw_dump_reading = 0;
82 		ha->fw_dumped = 0;
83 		break;
84 	case 1:
85 		if (ha->fw_dumped && !ha->fw_dump_reading) {
86 			ha->fw_dump_reading = 1;
87 
88 			ql_log(ql_log_info, vha, 0x705e,
89 			    "Raw firmware dump ready for read on (%ld).\n",
90 			    vha->host_no);
91 		}
92 		break;
93 	case 2:
94 		qla2x00_alloc_fw_dump(vha);
95 		break;
96 	case 3:
97 		if (IS_QLA82XX(ha)) {
98 			qla82xx_idc_lock(ha);
99 			qla82xx_set_reset_owner(vha);
100 			qla82xx_idc_unlock(ha);
101 		} else if (IS_QLA8044(ha)) {
102 			qla8044_idc_lock(ha);
103 			qla82xx_set_reset_owner(vha);
104 			qla8044_idc_unlock(ha);
105 		} else {
106 			ha->fw_dump_mpi = 1;
107 			qla2x00_system_error(vha);
108 		}
109 		break;
110 	case 4:
111 		if (IS_P3P_TYPE(ha)) {
112 			if (ha->md_tmplt_hdr)
113 				ql_dbg(ql_dbg_user, vha, 0x705b,
114 				    "MiniDump supported with this firmware.\n");
115 			else
116 				ql_dbg(ql_dbg_user, vha, 0x709d,
117 				    "MiniDump not supported with this firmware.\n");
118 		}
119 		break;
120 	case 5:
121 		if (IS_P3P_TYPE(ha))
122 			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
123 		break;
124 	case 6:
125 		if (!ha->mctp_dump_reading)
126 			break;
127 		ql_log(ql_log_info, vha, 0x70c1,
128 		    "MCTP dump cleared on (%ld).\n", vha->host_no);
129 		ha->mctp_dump_reading = 0;
130 		ha->mctp_dumped = 0;
131 		break;
132 	case 7:
133 		if (ha->mctp_dumped && !ha->mctp_dump_reading) {
134 			ha->mctp_dump_reading = 1;
135 			ql_log(ql_log_info, vha, 0x70c2,
136 			    "Raw mctp dump ready for read on (%ld).\n",
137 			    vha->host_no);
138 		}
139 		break;
140 	}
141 	return count;
142 }
143 
144 static struct bin_attribute sysfs_fw_dump_attr = {
145 	.attr = {
146 		.name = "fw_dump",
147 		.mode = S_IRUSR | S_IWUSR,
148 	},
149 	.size = 0,
150 	.read = qla2x00_sysfs_read_fw_dump,
151 	.write = qla2x00_sysfs_write_fw_dump,
152 };
153 
154 static ssize_t
155 qla2x00_sysfs_read_nvram(struct file *filp, struct kobject *kobj,
156 			 struct bin_attribute *bin_attr,
157 			 char *buf, loff_t off, size_t count)
158 {
159 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
160 	    struct device, kobj)));
161 	struct qla_hw_data *ha = vha->hw;
162 	uint32_t faddr;
163 	struct active_regions active_regions = { };
164 
165 	if (!capable(CAP_SYS_ADMIN))
166 		return 0;
167 
168 	mutex_lock(&ha->optrom_mutex);
169 	if (qla2x00_chip_is_down(vha)) {
170 		mutex_unlock(&ha->optrom_mutex);
171 		return -EAGAIN;
172 	}
173 
174 	if (!IS_NOCACHE_VPD_TYPE(ha)) {
175 		mutex_unlock(&ha->optrom_mutex);
176 		goto skip;
177 	}
178 
179 	faddr = ha->flt_region_nvram;
180 	if (IS_QLA28XX(ha)) {
181 		qla28xx_get_aux_images(vha, &active_regions);
182 		if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
183 			faddr = ha->flt_region_nvram_sec;
184 	}
185 	ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size);
186 
187 	mutex_unlock(&ha->optrom_mutex);
188 
189 skip:
190 	return memory_read_from_buffer(buf, count, &off, ha->nvram,
191 					ha->nvram_size);
192 }
193 
194 static ssize_t
195 qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
196 			  struct bin_attribute *bin_attr,
197 			  char *buf, loff_t off, size_t count)
198 {
199 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
200 	    struct device, kobj)));
201 	struct qla_hw_data *ha = vha->hw;
202 	uint16_t	cnt;
203 
204 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
205 	    !ha->isp_ops->write_nvram)
206 		return -EINVAL;
207 
208 	/* Checksum NVRAM. */
209 	if (IS_FWI2_CAPABLE(ha)) {
210 		uint32_t *iter;
211 		uint32_t chksum;
212 
213 		iter = (uint32_t *)buf;
214 		chksum = 0;
215 		for (cnt = 0; cnt < ((count >> 2) - 1); cnt++, iter++)
216 			chksum += le32_to_cpu(*iter);
217 		chksum = ~chksum + 1;
218 		*iter = cpu_to_le32(chksum);
219 	} else {
220 		uint8_t *iter;
221 		uint8_t chksum;
222 
223 		iter = (uint8_t *)buf;
224 		chksum = 0;
225 		for (cnt = 0; cnt < count - 1; cnt++)
226 			chksum += *iter++;
227 		chksum = ~chksum + 1;
228 		*iter = chksum;
229 	}
230 
231 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
232 		ql_log(ql_log_warn, vha, 0x705f,
233 		    "HBA not online, failing NVRAM update.\n");
234 		return -EAGAIN;
235 	}
236 
237 	mutex_lock(&ha->optrom_mutex);
238 	if (qla2x00_chip_is_down(vha)) {
239 		mutex_unlock(&ha->optrom_mutex);
240 		return -EAGAIN;
241 	}
242 
243 	/* Write NVRAM. */
244 	ha->isp_ops->write_nvram(vha, buf, ha->nvram_base, count);
245 	ha->isp_ops->read_nvram(vha, ha->nvram, ha->nvram_base,
246 	    count);
247 	mutex_unlock(&ha->optrom_mutex);
248 
249 	ql_dbg(ql_dbg_user, vha, 0x7060,
250 	    "Setting ISP_ABORT_NEEDED\n");
251 	/* NVRAM settings take effect immediately. */
252 	set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
253 	qla2xxx_wake_dpc(vha);
254 	qla2x00_wait_for_chip_reset(vha);
255 
256 	return count;
257 }
258 
259 static struct bin_attribute sysfs_nvram_attr = {
260 	.attr = {
261 		.name = "nvram",
262 		.mode = S_IRUSR | S_IWUSR,
263 	},
264 	.size = 512,
265 	.read = qla2x00_sysfs_read_nvram,
266 	.write = qla2x00_sysfs_write_nvram,
267 };
268 
269 static ssize_t
270 qla2x00_sysfs_read_optrom(struct file *filp, struct kobject *kobj,
271 			  struct bin_attribute *bin_attr,
272 			  char *buf, loff_t off, size_t count)
273 {
274 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
275 	    struct device, kobj)));
276 	struct qla_hw_data *ha = vha->hw;
277 	ssize_t rval = 0;
278 
279 	mutex_lock(&ha->optrom_mutex);
280 
281 	if (ha->optrom_state != QLA_SREADING)
282 		goto out;
283 
284 	rval = memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
285 	    ha->optrom_region_size);
286 
287 out:
288 	mutex_unlock(&ha->optrom_mutex);
289 
290 	return rval;
291 }
292 
293 static ssize_t
294 qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
295 			   struct bin_attribute *bin_attr,
296 			   char *buf, loff_t off, size_t count)
297 {
298 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
299 	    struct device, kobj)));
300 	struct qla_hw_data *ha = vha->hw;
301 
302 	mutex_lock(&ha->optrom_mutex);
303 
304 	if (ha->optrom_state != QLA_SWRITING) {
305 		mutex_unlock(&ha->optrom_mutex);
306 		return -EINVAL;
307 	}
308 	if (off > ha->optrom_region_size) {
309 		mutex_unlock(&ha->optrom_mutex);
310 		return -ERANGE;
311 	}
312 	if (off + count > ha->optrom_region_size)
313 		count = ha->optrom_region_size - off;
314 
315 	memcpy(&ha->optrom_buffer[off], buf, count);
316 	mutex_unlock(&ha->optrom_mutex);
317 
318 	return count;
319 }
320 
321 static struct bin_attribute sysfs_optrom_attr = {
322 	.attr = {
323 		.name = "optrom",
324 		.mode = S_IRUSR | S_IWUSR,
325 	},
326 	.size = 0,
327 	.read = qla2x00_sysfs_read_optrom,
328 	.write = qla2x00_sysfs_write_optrom,
329 };
330 
331 static ssize_t
332 qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
333 			       struct bin_attribute *bin_attr,
334 			       char *buf, loff_t off, size_t count)
335 {
336 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
337 	    struct device, kobj)));
338 	struct qla_hw_data *ha = vha->hw;
339 	uint32_t start = 0;
340 	uint32_t size = ha->optrom_size;
341 	int val, valid;
342 	ssize_t rval = count;
343 
344 	if (off)
345 		return -EINVAL;
346 
347 	if (unlikely(pci_channel_offline(ha->pdev)))
348 		return -EAGAIN;
349 
350 	if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
351 		return -EINVAL;
352 	if (start > ha->optrom_size)
353 		return -EINVAL;
354 	if (size > ha->optrom_size - start)
355 		size = ha->optrom_size - start;
356 
357 	mutex_lock(&ha->optrom_mutex);
358 	if (qla2x00_chip_is_down(vha)) {
359 		mutex_unlock(&ha->optrom_mutex);
360 		return -EAGAIN;
361 	}
362 	switch (val) {
363 	case 0:
364 		if (ha->optrom_state != QLA_SREADING &&
365 		    ha->optrom_state != QLA_SWRITING) {
366 			rval =  -EINVAL;
367 			goto out;
368 		}
369 		ha->optrom_state = QLA_SWAITING;
370 
371 		ql_dbg(ql_dbg_user, vha, 0x7061,
372 		    "Freeing flash region allocation -- 0x%x bytes.\n",
373 		    ha->optrom_region_size);
374 
375 		vfree(ha->optrom_buffer);
376 		ha->optrom_buffer = NULL;
377 		break;
378 	case 1:
379 		if (ha->optrom_state != QLA_SWAITING) {
380 			rval = -EINVAL;
381 			goto out;
382 		}
383 
384 		ha->optrom_region_start = start;
385 		ha->optrom_region_size = size;
386 
387 		ha->optrom_state = QLA_SREADING;
388 		ha->optrom_buffer = vzalloc(ha->optrom_region_size);
389 		if (ha->optrom_buffer == NULL) {
390 			ql_log(ql_log_warn, vha, 0x7062,
391 			    "Unable to allocate memory for optrom retrieval "
392 			    "(%x).\n", ha->optrom_region_size);
393 
394 			ha->optrom_state = QLA_SWAITING;
395 			rval = -ENOMEM;
396 			goto out;
397 		}
398 
399 		if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
400 			ql_log(ql_log_warn, vha, 0x7063,
401 			    "HBA not online, failing NVRAM update.\n");
402 			rval = -EAGAIN;
403 			goto out;
404 		}
405 
406 		ql_dbg(ql_dbg_user, vha, 0x7064,
407 		    "Reading flash region -- 0x%x/0x%x.\n",
408 		    ha->optrom_region_start, ha->optrom_region_size);
409 
410 		ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
411 		    ha->optrom_region_start, ha->optrom_region_size);
412 		break;
413 	case 2:
414 		if (ha->optrom_state != QLA_SWAITING) {
415 			rval = -EINVAL;
416 			goto out;
417 		}
418 
419 		/*
420 		 * We need to be more restrictive on which FLASH regions are
421 		 * allowed to be updated via user-space.  Regions accessible
422 		 * via this method include:
423 		 *
424 		 * ISP21xx/ISP22xx/ISP23xx type boards:
425 		 *
426 		 * 	0x000000 -> 0x020000 -- Boot code.
427 		 *
428 		 * ISP2322/ISP24xx type boards:
429 		 *
430 		 * 	0x000000 -> 0x07ffff -- Boot code.
431 		 * 	0x080000 -> 0x0fffff -- Firmware.
432 		 *
433 		 * ISP25xx type boards:
434 		 *
435 		 * 	0x000000 -> 0x07ffff -- Boot code.
436 		 * 	0x080000 -> 0x0fffff -- Firmware.
437 		 * 	0x120000 -> 0x12ffff -- VPD and HBA parameters.
438 		 *
439 		 * > ISP25xx type boards:
440 		 *
441 		 *      None -- should go through BSG.
442 		 */
443 		valid = 0;
444 		if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
445 			valid = 1;
446 		else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
447 			valid = 1;
448 		if (!valid) {
449 			ql_log(ql_log_warn, vha, 0x7065,
450 			    "Invalid start region 0x%x/0x%x.\n", start, size);
451 			rval = -EINVAL;
452 			goto out;
453 		}
454 
455 		ha->optrom_region_start = start;
456 		ha->optrom_region_size = size;
457 
458 		ha->optrom_state = QLA_SWRITING;
459 		ha->optrom_buffer = vzalloc(ha->optrom_region_size);
460 		if (ha->optrom_buffer == NULL) {
461 			ql_log(ql_log_warn, vha, 0x7066,
462 			    "Unable to allocate memory for optrom update "
463 			    "(%x)\n", ha->optrom_region_size);
464 
465 			ha->optrom_state = QLA_SWAITING;
466 			rval = -ENOMEM;
467 			goto out;
468 		}
469 
470 		ql_dbg(ql_dbg_user, vha, 0x7067,
471 		    "Staging flash region write -- 0x%x/0x%x.\n",
472 		    ha->optrom_region_start, ha->optrom_region_size);
473 
474 		break;
475 	case 3:
476 		if (ha->optrom_state != QLA_SWRITING) {
477 			rval = -EINVAL;
478 			goto out;
479 		}
480 
481 		if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
482 			ql_log(ql_log_warn, vha, 0x7068,
483 			    "HBA not online, failing flash update.\n");
484 			rval = -EAGAIN;
485 			goto out;
486 		}
487 
488 		ql_dbg(ql_dbg_user, vha, 0x7069,
489 		    "Writing flash region -- 0x%x/0x%x.\n",
490 		    ha->optrom_region_start, ha->optrom_region_size);
491 
492 		rval = ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
493 		    ha->optrom_region_start, ha->optrom_region_size);
494 		if (rval)
495 			rval = -EIO;
496 		break;
497 	default:
498 		rval = -EINVAL;
499 	}
500 
501 out:
502 	mutex_unlock(&ha->optrom_mutex);
503 	return rval;
504 }
505 
506 static struct bin_attribute sysfs_optrom_ctl_attr = {
507 	.attr = {
508 		.name = "optrom_ctl",
509 		.mode = S_IWUSR,
510 	},
511 	.size = 0,
512 	.write = qla2x00_sysfs_write_optrom_ctl,
513 };
514 
515 static ssize_t
516 qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
517 		       struct bin_attribute *bin_attr,
518 		       char *buf, loff_t off, size_t count)
519 {
520 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
521 	    struct device, kobj)));
522 	struct qla_hw_data *ha = vha->hw;
523 	uint32_t faddr;
524 	struct active_regions active_regions = { };
525 
526 	if (unlikely(pci_channel_offline(ha->pdev)))
527 		return -EAGAIN;
528 
529 	if (!capable(CAP_SYS_ADMIN))
530 		return -EINVAL;
531 
532 	if (IS_NOCACHE_VPD_TYPE(ha))
533 		goto skip;
534 
535 	faddr = ha->flt_region_vpd << 2;
536 
537 	if (IS_QLA28XX(ha)) {
538 		qla28xx_get_aux_images(vha, &active_regions);
539 		if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
540 			faddr = ha->flt_region_vpd_sec << 2;
541 
542 		ql_dbg(ql_dbg_init, vha, 0x7070,
543 		    "Loading %s nvram image.\n",
544 		    active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
545 		    "primary" : "secondary");
546 	}
547 
548 	mutex_lock(&ha->optrom_mutex);
549 	if (qla2x00_chip_is_down(vha)) {
550 		mutex_unlock(&ha->optrom_mutex);
551 		return -EAGAIN;
552 	}
553 
554 	ha->isp_ops->read_optrom(vha, ha->vpd, faddr, ha->vpd_size);
555 	mutex_unlock(&ha->optrom_mutex);
556 
557 	ha->isp_ops->read_optrom(vha, ha->vpd, faddr, ha->vpd_size);
558 skip:
559 	return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
560 }
561 
562 static ssize_t
563 qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
564 			struct bin_attribute *bin_attr,
565 			char *buf, loff_t off, size_t count)
566 {
567 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
568 	    struct device, kobj)));
569 	struct qla_hw_data *ha = vha->hw;
570 	uint8_t *tmp_data;
571 
572 	if (unlikely(pci_channel_offline(ha->pdev)))
573 		return 0;
574 
575 	if (qla2x00_chip_is_down(vha))
576 		return 0;
577 
578 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
579 	    !ha->isp_ops->write_nvram)
580 		return 0;
581 
582 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
583 		ql_log(ql_log_warn, vha, 0x706a,
584 		    "HBA not online, failing VPD update.\n");
585 		return -EAGAIN;
586 	}
587 
588 	mutex_lock(&ha->optrom_mutex);
589 	if (qla2x00_chip_is_down(vha)) {
590 		mutex_unlock(&ha->optrom_mutex);
591 		return -EAGAIN;
592 	}
593 
594 	/* Write NVRAM. */
595 	ha->isp_ops->write_nvram(vha, buf, ha->vpd_base, count);
596 	ha->isp_ops->read_nvram(vha, ha->vpd, ha->vpd_base, count);
597 
598 	/* Update flash version information for 4Gb & above. */
599 	if (!IS_FWI2_CAPABLE(ha)) {
600 		mutex_unlock(&ha->optrom_mutex);
601 		return -EINVAL;
602 	}
603 
604 	tmp_data = vmalloc(256);
605 	if (!tmp_data) {
606 		mutex_unlock(&ha->optrom_mutex);
607 		ql_log(ql_log_warn, vha, 0x706b,
608 		    "Unable to allocate memory for VPD information update.\n");
609 		return -ENOMEM;
610 	}
611 	ha->isp_ops->get_flash_version(vha, tmp_data);
612 	vfree(tmp_data);
613 
614 	mutex_unlock(&ha->optrom_mutex);
615 
616 	return count;
617 }
618 
619 static struct bin_attribute sysfs_vpd_attr = {
620 	.attr = {
621 		.name = "vpd",
622 		.mode = S_IRUSR | S_IWUSR,
623 	},
624 	.size = 0,
625 	.read = qla2x00_sysfs_read_vpd,
626 	.write = qla2x00_sysfs_write_vpd,
627 };
628 
629 static ssize_t
630 qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
631 		       struct bin_attribute *bin_attr,
632 		       char *buf, loff_t off, size_t count)
633 {
634 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
635 	    struct device, kobj)));
636 	int rval;
637 
638 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count < SFP_DEV_SIZE)
639 		return 0;
640 
641 	mutex_lock(&vha->hw->optrom_mutex);
642 	if (qla2x00_chip_is_down(vha)) {
643 		mutex_unlock(&vha->hw->optrom_mutex);
644 		return 0;
645 	}
646 
647 	rval = qla2x00_read_sfp_dev(vha, buf, count);
648 	mutex_unlock(&vha->hw->optrom_mutex);
649 
650 	if (rval)
651 		return -EIO;
652 
653 	return count;
654 }
655 
656 static struct bin_attribute sysfs_sfp_attr = {
657 	.attr = {
658 		.name = "sfp",
659 		.mode = S_IRUSR | S_IWUSR,
660 	},
661 	.size = SFP_DEV_SIZE,
662 	.read = qla2x00_sysfs_read_sfp,
663 };
664 
665 static ssize_t
666 qla2x00_sysfs_write_reset(struct file *filp, 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 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
674 	int type;
675 	uint32_t idc_control;
676 	uint8_t *tmp_data = NULL;
677 
678 	if (off != 0)
679 		return -EINVAL;
680 
681 	type = simple_strtol(buf, NULL, 10);
682 	switch (type) {
683 	case 0x2025c:
684 		ql_log(ql_log_info, vha, 0x706e,
685 		    "Issuing ISP reset.\n");
686 
687 		scsi_block_requests(vha->host);
688 		if (IS_QLA82XX(ha)) {
689 			ha->flags.isp82xx_no_md_cap = 1;
690 			qla82xx_idc_lock(ha);
691 			qla82xx_set_reset_owner(vha);
692 			qla82xx_idc_unlock(ha);
693 		} else if (IS_QLA8044(ha)) {
694 			qla8044_idc_lock(ha);
695 			idc_control = qla8044_rd_reg(ha,
696 			    QLA8044_IDC_DRV_CTRL);
697 			qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
698 			    (idc_control | GRACEFUL_RESET_BIT1));
699 			qla82xx_set_reset_owner(vha);
700 			qla8044_idc_unlock(ha);
701 		} else {
702 			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
703 			qla2xxx_wake_dpc(vha);
704 		}
705 		qla2x00_wait_for_chip_reset(vha);
706 		scsi_unblock_requests(vha->host);
707 		break;
708 	case 0x2025d:
709 		if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
710 			return -EPERM;
711 
712 		ql_log(ql_log_info, vha, 0x706f,
713 		    "Issuing MPI reset.\n");
714 
715 		if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
716 			uint32_t idc_control;
717 
718 			qla83xx_idc_lock(vha, 0);
719 			__qla83xx_get_idc_control(vha, &idc_control);
720 			idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
721 			__qla83xx_set_idc_control(vha, idc_control);
722 			qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
723 			    QLA8XXX_DEV_NEED_RESET);
724 			qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
725 			qla83xx_idc_unlock(vha, 0);
726 			break;
727 		} else {
728 			/* Make sure FC side is not in reset */
729 			WARN_ON_ONCE(qla2x00_wait_for_hba_online(vha) !=
730 				     QLA_SUCCESS);
731 
732 			/* Issue MPI reset */
733 			scsi_block_requests(vha->host);
734 			if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
735 				ql_log(ql_log_warn, vha, 0x7070,
736 				    "MPI reset failed.\n");
737 			scsi_unblock_requests(vha->host);
738 			break;
739 		}
740 	case 0x2025e:
741 		if (!IS_P3P_TYPE(ha) || vha != base_vha) {
742 			ql_log(ql_log_info, vha, 0x7071,
743 			    "FCoE ctx reset not supported.\n");
744 			return -EPERM;
745 		}
746 
747 		ql_log(ql_log_info, vha, 0x7072,
748 		    "Issuing FCoE ctx reset.\n");
749 		set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
750 		qla2xxx_wake_dpc(vha);
751 		qla2x00_wait_for_fcoe_ctx_reset(vha);
752 		break;
753 	case 0x2025f:
754 		if (!IS_QLA8031(ha))
755 			return -EPERM;
756 		ql_log(ql_log_info, vha, 0x70bc,
757 		    "Disabling Reset by IDC control\n");
758 		qla83xx_idc_lock(vha, 0);
759 		__qla83xx_get_idc_control(vha, &idc_control);
760 		idc_control |= QLA83XX_IDC_RESET_DISABLED;
761 		__qla83xx_set_idc_control(vha, idc_control);
762 		qla83xx_idc_unlock(vha, 0);
763 		break;
764 	case 0x20260:
765 		if (!IS_QLA8031(ha))
766 			return -EPERM;
767 		ql_log(ql_log_info, vha, 0x70bd,
768 		    "Enabling Reset by IDC control\n");
769 		qla83xx_idc_lock(vha, 0);
770 		__qla83xx_get_idc_control(vha, &idc_control);
771 		idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
772 		__qla83xx_set_idc_control(vha, idc_control);
773 		qla83xx_idc_unlock(vha, 0);
774 		break;
775 	case 0x20261:
776 		ql_dbg(ql_dbg_user, vha, 0x70e0,
777 		    "Updating cache versions without reset ");
778 
779 		tmp_data = vmalloc(256);
780 		if (!tmp_data) {
781 			ql_log(ql_log_warn, vha, 0x70e1,
782 			    "Unable to allocate memory for VPD information update.\n");
783 			return -ENOMEM;
784 		}
785 		ha->isp_ops->get_flash_version(vha, tmp_data);
786 		vfree(tmp_data);
787 		break;
788 	}
789 	return count;
790 }
791 
792 static struct bin_attribute sysfs_reset_attr = {
793 	.attr = {
794 		.name = "reset",
795 		.mode = S_IWUSR,
796 	},
797 	.size = 0,
798 	.write = qla2x00_sysfs_write_reset,
799 };
800 
801 static ssize_t
802 qla2x00_issue_logo(struct file *filp, struct kobject *kobj,
803 			struct bin_attribute *bin_attr,
804 			char *buf, loff_t off, size_t count)
805 {
806 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
807 	    struct device, kobj)));
808 	int type;
809 	port_id_t did;
810 
811 	if (!capable(CAP_SYS_ADMIN))
812 		return 0;
813 
814 	if (unlikely(pci_channel_offline(vha->hw->pdev)))
815 		return 0;
816 
817 	if (qla2x00_chip_is_down(vha))
818 		return 0;
819 
820 	type = simple_strtol(buf, NULL, 10);
821 
822 	did.b.domain = (type & 0x00ff0000) >> 16;
823 	did.b.area = (type & 0x0000ff00) >> 8;
824 	did.b.al_pa = (type & 0x000000ff);
825 
826 	ql_log(ql_log_info, vha, 0xd04d, "portid=%02x%02x%02x done\n",
827 	    did.b.domain, did.b.area, did.b.al_pa);
828 
829 	ql_log(ql_log_info, vha, 0x70e4, "%s: %d\n", __func__, type);
830 
831 	qla24xx_els_dcmd_iocb(vha, ELS_DCMD_LOGO, did);
832 	return count;
833 }
834 
835 static struct bin_attribute sysfs_issue_logo_attr = {
836 	.attr = {
837 		.name = "issue_logo",
838 		.mode = S_IWUSR,
839 	},
840 	.size = 0,
841 	.write = qla2x00_issue_logo,
842 };
843 
844 static ssize_t
845 qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
846 		       struct bin_attribute *bin_attr,
847 		       char *buf, loff_t off, size_t count)
848 {
849 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
850 	    struct device, kobj)));
851 	struct qla_hw_data *ha = vha->hw;
852 	int rval;
853 	uint16_t actual_size;
854 
855 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
856 		return 0;
857 
858 	if (unlikely(pci_channel_offline(ha->pdev)))
859 		return 0;
860 	mutex_lock(&vha->hw->optrom_mutex);
861 	if (qla2x00_chip_is_down(vha)) {
862 		mutex_unlock(&vha->hw->optrom_mutex);
863 		return 0;
864 	}
865 
866 	if (ha->xgmac_data)
867 		goto do_read;
868 
869 	ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
870 	    &ha->xgmac_data_dma, GFP_KERNEL);
871 	if (!ha->xgmac_data) {
872 		mutex_unlock(&vha->hw->optrom_mutex);
873 		ql_log(ql_log_warn, vha, 0x7076,
874 		    "Unable to allocate memory for XGMAC read-data.\n");
875 		return 0;
876 	}
877 
878 do_read:
879 	actual_size = 0;
880 	memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
881 
882 	rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
883 	    XGMAC_DATA_SIZE, &actual_size);
884 
885 	mutex_unlock(&vha->hw->optrom_mutex);
886 	if (rval != QLA_SUCCESS) {
887 		ql_log(ql_log_warn, vha, 0x7077,
888 		    "Unable to read XGMAC data (%x).\n", rval);
889 		count = 0;
890 	}
891 
892 	count = actual_size > count ? count : actual_size;
893 	memcpy(buf, ha->xgmac_data, count);
894 
895 	return count;
896 }
897 
898 static struct bin_attribute sysfs_xgmac_stats_attr = {
899 	.attr = {
900 		.name = "xgmac_stats",
901 		.mode = S_IRUSR,
902 	},
903 	.size = 0,
904 	.read = qla2x00_sysfs_read_xgmac_stats,
905 };
906 
907 static ssize_t
908 qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
909 		       struct bin_attribute *bin_attr,
910 		       char *buf, loff_t off, size_t count)
911 {
912 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
913 	    struct device, kobj)));
914 	struct qla_hw_data *ha = vha->hw;
915 	int rval;
916 
917 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
918 		return 0;
919 
920 	if (ha->dcbx_tlv)
921 		goto do_read;
922 	mutex_lock(&vha->hw->optrom_mutex);
923 	if (qla2x00_chip_is_down(vha)) {
924 		mutex_unlock(&vha->hw->optrom_mutex);
925 		return 0;
926 	}
927 
928 	ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
929 	    &ha->dcbx_tlv_dma, GFP_KERNEL);
930 	if (!ha->dcbx_tlv) {
931 		mutex_unlock(&vha->hw->optrom_mutex);
932 		ql_log(ql_log_warn, vha, 0x7078,
933 		    "Unable to allocate memory for DCBX TLV read-data.\n");
934 		return -ENOMEM;
935 	}
936 
937 do_read:
938 	memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
939 
940 	rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
941 	    DCBX_TLV_DATA_SIZE);
942 
943 	mutex_unlock(&vha->hw->optrom_mutex);
944 
945 	if (rval != QLA_SUCCESS) {
946 		ql_log(ql_log_warn, vha, 0x7079,
947 		    "Unable to read DCBX TLV (%x).\n", rval);
948 		return -EIO;
949 	}
950 
951 	memcpy(buf, ha->dcbx_tlv, count);
952 
953 	return count;
954 }
955 
956 static struct bin_attribute sysfs_dcbx_tlv_attr = {
957 	.attr = {
958 		.name = "dcbx_tlv",
959 		.mode = S_IRUSR,
960 	},
961 	.size = 0,
962 	.read = qla2x00_sysfs_read_dcbx_tlv,
963 };
964 
965 static struct sysfs_entry {
966 	char *name;
967 	struct bin_attribute *attr;
968 	int type;
969 } bin_file_entries[] = {
970 	{ "fw_dump", &sysfs_fw_dump_attr, },
971 	{ "nvram", &sysfs_nvram_attr, },
972 	{ "optrom", &sysfs_optrom_attr, },
973 	{ "optrom_ctl", &sysfs_optrom_ctl_attr, },
974 	{ "vpd", &sysfs_vpd_attr, 1 },
975 	{ "sfp", &sysfs_sfp_attr, 1 },
976 	{ "reset", &sysfs_reset_attr, },
977 	{ "issue_logo", &sysfs_issue_logo_attr, },
978 	{ "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
979 	{ "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
980 	{ NULL },
981 };
982 
983 void
984 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
985 {
986 	struct Scsi_Host *host = vha->host;
987 	struct sysfs_entry *iter;
988 	int ret;
989 
990 	for (iter = bin_file_entries; iter->name; iter++) {
991 		if (iter->type && !IS_FWI2_CAPABLE(vha->hw))
992 			continue;
993 		if (iter->type == 2 && !IS_QLA25XX(vha->hw))
994 			continue;
995 		if (iter->type == 3 && !(IS_CNA_CAPABLE(vha->hw)))
996 			continue;
997 
998 		ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
999 		    iter->attr);
1000 		if (ret)
1001 			ql_log(ql_log_warn, vha, 0x00f3,
1002 			    "Unable to create sysfs %s binary attribute (%d).\n",
1003 			    iter->name, ret);
1004 		else
1005 			ql_dbg(ql_dbg_init, vha, 0x00f4,
1006 			    "Successfully created sysfs %s binary attribute.\n",
1007 			    iter->name);
1008 	}
1009 }
1010 
1011 void
1012 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
1013 {
1014 	struct Scsi_Host *host = vha->host;
1015 	struct sysfs_entry *iter;
1016 	struct qla_hw_data *ha = vha->hw;
1017 
1018 	for (iter = bin_file_entries; iter->name; iter++) {
1019 		if (iter->type && !IS_FWI2_CAPABLE(ha))
1020 			continue;
1021 		if (iter->type == 2 && !IS_QLA25XX(ha))
1022 			continue;
1023 		if (iter->type == 3 && !(IS_CNA_CAPABLE(ha)))
1024 			continue;
1025 		if (iter->type == 0x27 &&
1026 		    (!IS_QLA27XX(ha) || !IS_QLA28XX(ha)))
1027 			continue;
1028 
1029 		sysfs_remove_bin_file(&host->shost_gendev.kobj,
1030 		    iter->attr);
1031 	}
1032 
1033 	if (stop_beacon && ha->beacon_blink_led == 1)
1034 		ha->isp_ops->beacon_off(vha);
1035 }
1036 
1037 /* Scsi_Host attributes. */
1038 
1039 static ssize_t
1040 qla2x00_driver_version_show(struct device *dev,
1041 			  struct device_attribute *attr, char *buf)
1042 {
1043 	return scnprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
1044 }
1045 
1046 static ssize_t
1047 qla2x00_fw_version_show(struct device *dev,
1048 			struct device_attribute *attr, char *buf)
1049 {
1050 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1051 	struct qla_hw_data *ha = vha->hw;
1052 	char fw_str[128];
1053 
1054 	return scnprintf(buf, PAGE_SIZE, "%s\n",
1055 	    ha->isp_ops->fw_version_str(vha, fw_str, sizeof(fw_str)));
1056 }
1057 
1058 static ssize_t
1059 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
1060 			char *buf)
1061 {
1062 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1063 	struct qla_hw_data *ha = vha->hw;
1064 	uint32_t sn;
1065 
1066 	if (IS_QLAFX00(vha->hw)) {
1067 		return scnprintf(buf, PAGE_SIZE, "%s\n",
1068 		    vha->hw->mr.serial_num);
1069 	} else if (IS_FWI2_CAPABLE(ha)) {
1070 		qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1);
1071 		return strlen(strcat(buf, "\n"));
1072 	}
1073 
1074 	sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1075 	return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
1076 	    sn % 100000);
1077 }
1078 
1079 static ssize_t
1080 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
1081 		      char *buf)
1082 {
1083 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1084 
1085 	return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
1086 }
1087 
1088 static ssize_t
1089 qla2x00_isp_id_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 	struct qla_hw_data *ha = vha->hw;
1094 
1095 	if (IS_QLAFX00(vha->hw))
1096 		return scnprintf(buf, PAGE_SIZE, "%s\n",
1097 		    vha->hw->mr.hw_version);
1098 
1099 	return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
1100 	    ha->product_id[0], ha->product_id[1], ha->product_id[2],
1101 	    ha->product_id[3]);
1102 }
1103 
1104 static ssize_t
1105 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
1106 			char *buf)
1107 {
1108 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1109 
1110 	return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
1111 }
1112 
1113 static ssize_t
1114 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
1115 			char *buf)
1116 {
1117 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1118 
1119 	return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_desc);
1120 }
1121 
1122 static ssize_t
1123 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
1124 		      char *buf)
1125 {
1126 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1127 	char pci_info[30];
1128 
1129 	return scnprintf(buf, PAGE_SIZE, "%s\n",
1130 			 vha->hw->isp_ops->pci_info_str(vha, pci_info,
1131 							sizeof(pci_info)));
1132 }
1133 
1134 static ssize_t
1135 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
1136 			char *buf)
1137 {
1138 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1139 	struct qla_hw_data *ha = vha->hw;
1140 	int len = 0;
1141 
1142 	if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
1143 	    atomic_read(&vha->loop_state) == LOOP_DEAD ||
1144 	    vha->device_flags & DFLG_NO_CABLE)
1145 		len = scnprintf(buf, PAGE_SIZE, "Link Down\n");
1146 	else if (atomic_read(&vha->loop_state) != LOOP_READY ||
1147 	    qla2x00_chip_is_down(vha))
1148 		len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n");
1149 	else {
1150 		len = scnprintf(buf, PAGE_SIZE, "Link Up - ");
1151 
1152 		switch (ha->current_topology) {
1153 		case ISP_CFG_NL:
1154 			len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1155 			break;
1156 		case ISP_CFG_FL:
1157 			len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
1158 			break;
1159 		case ISP_CFG_N:
1160 			len += scnprintf(buf + len, PAGE_SIZE-len,
1161 			    "N_Port to N_Port\n");
1162 			break;
1163 		case ISP_CFG_F:
1164 			len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
1165 			break;
1166 		default:
1167 			len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1168 			break;
1169 		}
1170 	}
1171 	return len;
1172 }
1173 
1174 static ssize_t
1175 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
1176 		 char *buf)
1177 {
1178 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1179 	int len = 0;
1180 
1181 	switch (vha->hw->zio_mode) {
1182 	case QLA_ZIO_MODE_6:
1183 		len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1184 		break;
1185 	case QLA_ZIO_DISABLED:
1186 		len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1187 		break;
1188 	}
1189 	return len;
1190 }
1191 
1192 static ssize_t
1193 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1194 		  const char *buf, size_t count)
1195 {
1196 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1197 	struct qla_hw_data *ha = vha->hw;
1198 	int val = 0;
1199 	uint16_t zio_mode;
1200 
1201 	if (!IS_ZIO_SUPPORTED(ha))
1202 		return -ENOTSUPP;
1203 
1204 	if (sscanf(buf, "%d", &val) != 1)
1205 		return -EINVAL;
1206 
1207 	if (val)
1208 		zio_mode = QLA_ZIO_MODE_6;
1209 	else
1210 		zio_mode = QLA_ZIO_DISABLED;
1211 
1212 	/* Update per-hba values and queue a reset. */
1213 	if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1214 		ha->zio_mode = zio_mode;
1215 		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1216 	}
1217 	return strlen(buf);
1218 }
1219 
1220 static ssize_t
1221 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1222 		       char *buf)
1223 {
1224 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1225 
1226 	return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1227 }
1228 
1229 static ssize_t
1230 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1231 			const char *buf, size_t count)
1232 {
1233 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1234 	int val = 0;
1235 	uint16_t zio_timer;
1236 
1237 	if (sscanf(buf, "%d", &val) != 1)
1238 		return -EINVAL;
1239 	if (val > 25500 || val < 100)
1240 		return -ERANGE;
1241 
1242 	zio_timer = (uint16_t)(val / 100);
1243 	vha->hw->zio_timer = zio_timer;
1244 
1245 	return strlen(buf);
1246 }
1247 
1248 static ssize_t
1249 qla_zio_threshold_show(struct device *dev, struct device_attribute *attr,
1250 		       char *buf)
1251 {
1252 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1253 
1254 	return scnprintf(buf, PAGE_SIZE, "%d exchanges\n",
1255 	    vha->hw->last_zio_threshold);
1256 }
1257 
1258 static ssize_t
1259 qla_zio_threshold_store(struct device *dev, struct device_attribute *attr,
1260     const char *buf, size_t count)
1261 {
1262 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1263 	int val = 0;
1264 
1265 	if (vha->hw->zio_mode != QLA_ZIO_MODE_6)
1266 		return -EINVAL;
1267 	if (sscanf(buf, "%d", &val) != 1)
1268 		return -EINVAL;
1269 	if (val < 0 || val > 256)
1270 		return -ERANGE;
1271 
1272 	atomic_set(&vha->hw->zio_threshold, val);
1273 	return strlen(buf);
1274 }
1275 
1276 static ssize_t
1277 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1278 		    char *buf)
1279 {
1280 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1281 	int len = 0;
1282 
1283 	if (vha->hw->beacon_blink_led)
1284 		len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1285 	else
1286 		len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1287 	return len;
1288 }
1289 
1290 static ssize_t
1291 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1292 		     const char *buf, size_t count)
1293 {
1294 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1295 	struct qla_hw_data *ha = vha->hw;
1296 	int val = 0;
1297 	int rval;
1298 
1299 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
1300 		return -EPERM;
1301 
1302 	if (sscanf(buf, "%d", &val) != 1)
1303 		return -EINVAL;
1304 
1305 	mutex_lock(&vha->hw->optrom_mutex);
1306 	if (qla2x00_chip_is_down(vha)) {
1307 		mutex_unlock(&vha->hw->optrom_mutex);
1308 		ql_log(ql_log_warn, vha, 0x707a,
1309 		    "Abort ISP active -- ignoring beacon request.\n");
1310 		return -EBUSY;
1311 	}
1312 
1313 	if (val)
1314 		rval = ha->isp_ops->beacon_on(vha);
1315 	else
1316 		rval = ha->isp_ops->beacon_off(vha);
1317 
1318 	if (rval != QLA_SUCCESS)
1319 		count = 0;
1320 
1321 	mutex_unlock(&vha->hw->optrom_mutex);
1322 
1323 	return count;
1324 }
1325 
1326 static ssize_t
1327 qla2x00_optrom_bios_version_show(struct device *dev,
1328 				 struct device_attribute *attr, char *buf)
1329 {
1330 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1331 	struct qla_hw_data *ha = vha->hw;
1332 
1333 	return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1334 	    ha->bios_revision[0]);
1335 }
1336 
1337 static ssize_t
1338 qla2x00_optrom_efi_version_show(struct device *dev,
1339 				struct device_attribute *attr, char *buf)
1340 {
1341 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1342 	struct qla_hw_data *ha = vha->hw;
1343 
1344 	return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1345 	    ha->efi_revision[0]);
1346 }
1347 
1348 static ssize_t
1349 qla2x00_optrom_fcode_version_show(struct device *dev,
1350 				  struct device_attribute *attr, char *buf)
1351 {
1352 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1353 	struct qla_hw_data *ha = vha->hw;
1354 
1355 	return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1356 	    ha->fcode_revision[0]);
1357 }
1358 
1359 static ssize_t
1360 qla2x00_optrom_fw_version_show(struct device *dev,
1361 			       struct device_attribute *attr, char *buf)
1362 {
1363 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1364 	struct qla_hw_data *ha = vha->hw;
1365 
1366 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1367 	    ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1368 	    ha->fw_revision[3]);
1369 }
1370 
1371 static ssize_t
1372 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1373     struct device_attribute *attr, char *buf)
1374 {
1375 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1376 	struct qla_hw_data *ha = vha->hw;
1377 
1378 	if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1379 	    !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1380 		return scnprintf(buf, PAGE_SIZE, "\n");
1381 
1382 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1383 	    ha->gold_fw_version[0], ha->gold_fw_version[1],
1384 	    ha->gold_fw_version[2], ha->gold_fw_version[3]);
1385 }
1386 
1387 static ssize_t
1388 qla2x00_total_isp_aborts_show(struct device *dev,
1389 			      struct device_attribute *attr, char *buf)
1390 {
1391 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1392 
1393 	return scnprintf(buf, PAGE_SIZE, "%d\n",
1394 	    vha->qla_stats.total_isp_aborts);
1395 }
1396 
1397 static ssize_t
1398 qla24xx_84xx_fw_version_show(struct device *dev,
1399 	struct device_attribute *attr, char *buf)
1400 {
1401 	int rval = QLA_SUCCESS;
1402 	uint16_t status[2] = { 0 };
1403 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1404 	struct qla_hw_data *ha = vha->hw;
1405 
1406 	if (!IS_QLA84XX(ha))
1407 		return scnprintf(buf, PAGE_SIZE, "\n");
1408 
1409 	if (!ha->cs84xx->op_fw_version) {
1410 		rval = qla84xx_verify_chip(vha, status);
1411 
1412 		if (!rval && !status[0])
1413 			return scnprintf(buf, PAGE_SIZE, "%u\n",
1414 			    (uint32_t)ha->cs84xx->op_fw_version);
1415 	}
1416 
1417 	return scnprintf(buf, PAGE_SIZE, "\n");
1418 }
1419 
1420 static ssize_t
1421 qla2x00_serdes_version_show(struct device *dev, struct device_attribute *attr,
1422     char *buf)
1423 {
1424 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1425 	struct qla_hw_data *ha = vha->hw;
1426 
1427 	if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1428 		return scnprintf(buf, PAGE_SIZE, "\n");
1429 
1430 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1431 	    ha->serdes_version[0], ha->serdes_version[1],
1432 	    ha->serdes_version[2]);
1433 }
1434 
1435 static ssize_t
1436 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1437     char *buf)
1438 {
1439 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1440 	struct qla_hw_data *ha = vha->hw;
1441 
1442 	if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha) &&
1443 	    !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1444 		return scnprintf(buf, PAGE_SIZE, "\n");
1445 
1446 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1447 	    ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1448 	    ha->mpi_capabilities);
1449 }
1450 
1451 static ssize_t
1452 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1453     char *buf)
1454 {
1455 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1456 	struct qla_hw_data *ha = vha->hw;
1457 
1458 	if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1459 		return scnprintf(buf, PAGE_SIZE, "\n");
1460 
1461 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1462 	    ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1463 }
1464 
1465 static ssize_t
1466 qla2x00_flash_block_size_show(struct device *dev,
1467 			      struct device_attribute *attr, char *buf)
1468 {
1469 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1470 	struct qla_hw_data *ha = vha->hw;
1471 
1472 	return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1473 }
1474 
1475 static ssize_t
1476 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1477     char *buf)
1478 {
1479 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1480 
1481 	if (!IS_CNA_CAPABLE(vha->hw))
1482 		return scnprintf(buf, PAGE_SIZE, "\n");
1483 
1484 	return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1485 }
1486 
1487 static ssize_t
1488 qla2x00_vn_port_mac_address_show(struct device *dev,
1489     struct device_attribute *attr, char *buf)
1490 {
1491 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1492 
1493 	if (!IS_CNA_CAPABLE(vha->hw))
1494 		return scnprintf(buf, PAGE_SIZE, "\n");
1495 
1496 	return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
1497 }
1498 
1499 static ssize_t
1500 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1501     char *buf)
1502 {
1503 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1504 
1505 	return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1506 }
1507 
1508 static ssize_t
1509 qla2x00_thermal_temp_show(struct device *dev,
1510 	struct device_attribute *attr, char *buf)
1511 {
1512 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1513 	uint16_t temp = 0;
1514 	int rc;
1515 
1516 	mutex_lock(&vha->hw->optrom_mutex);
1517 	if (qla2x00_chip_is_down(vha)) {
1518 		mutex_unlock(&vha->hw->optrom_mutex);
1519 		ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1520 		goto done;
1521 	}
1522 
1523 	if (vha->hw->flags.eeh_busy) {
1524 		mutex_unlock(&vha->hw->optrom_mutex);
1525 		ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1526 		goto done;
1527 	}
1528 
1529 	rc = qla2x00_get_thermal_temp(vha, &temp);
1530 	mutex_unlock(&vha->hw->optrom_mutex);
1531 	if (rc == QLA_SUCCESS)
1532 		return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
1533 
1534 done:
1535 	return scnprintf(buf, PAGE_SIZE, "\n");
1536 }
1537 
1538 static ssize_t
1539 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1540     char *buf)
1541 {
1542 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1543 	int rval = QLA_FUNCTION_FAILED;
1544 	uint16_t state[6];
1545 	uint32_t pstate;
1546 
1547 	if (IS_QLAFX00(vha->hw)) {
1548 		pstate = qlafx00_fw_state_show(dev, attr, buf);
1549 		return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1550 	}
1551 
1552 	mutex_lock(&vha->hw->optrom_mutex);
1553 	if (qla2x00_chip_is_down(vha)) {
1554 		mutex_unlock(&vha->hw->optrom_mutex);
1555 		ql_log(ql_log_warn, vha, 0x707c,
1556 		    "ISP reset active.\n");
1557 		goto out;
1558 	} else if (vha->hw->flags.eeh_busy) {
1559 		mutex_unlock(&vha->hw->optrom_mutex);
1560 		goto out;
1561 	}
1562 
1563 	rval = qla2x00_get_firmware_state(vha, state);
1564 	mutex_unlock(&vha->hw->optrom_mutex);
1565 out:
1566 	if (rval != QLA_SUCCESS) {
1567 		memset(state, -1, sizeof(state));
1568 		rval = qla2x00_get_firmware_state(vha, state);
1569 	}
1570 
1571 	return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1572 	    state[0], state[1], state[2], state[3], state[4], state[5]);
1573 }
1574 
1575 static ssize_t
1576 qla2x00_diag_requests_show(struct device *dev,
1577 	struct device_attribute *attr, char *buf)
1578 {
1579 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1580 
1581 	if (!IS_BIDI_CAPABLE(vha->hw))
1582 		return scnprintf(buf, PAGE_SIZE, "\n");
1583 
1584 	return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1585 }
1586 
1587 static ssize_t
1588 qla2x00_diag_megabytes_show(struct device *dev,
1589 	struct device_attribute *attr, char *buf)
1590 {
1591 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1592 
1593 	if (!IS_BIDI_CAPABLE(vha->hw))
1594 		return scnprintf(buf, PAGE_SIZE, "\n");
1595 
1596 	return scnprintf(buf, PAGE_SIZE, "%llu\n",
1597 	    vha->bidi_stats.transfer_bytes >> 20);
1598 }
1599 
1600 static ssize_t
1601 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1602 	char *buf)
1603 {
1604 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1605 	struct qla_hw_data *ha = vha->hw;
1606 	uint32_t size;
1607 
1608 	if (!ha->fw_dumped)
1609 		size = 0;
1610 	else if (IS_P3P_TYPE(ha))
1611 		size = ha->md_template_size + ha->md_dump_size;
1612 	else
1613 		size = ha->fw_dump_len;
1614 
1615 	return scnprintf(buf, PAGE_SIZE, "%d\n", size);
1616 }
1617 
1618 static ssize_t
1619 qla2x00_allow_cna_fw_dump_show(struct device *dev,
1620 	struct device_attribute *attr, char *buf)
1621 {
1622 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1623 
1624 	if (!IS_P3P_TYPE(vha->hw))
1625 		return scnprintf(buf, PAGE_SIZE, "\n");
1626 	else
1627 		return scnprintf(buf, PAGE_SIZE, "%s\n",
1628 		    vha->hw->allow_cna_fw_dump ? "true" : "false");
1629 }
1630 
1631 static ssize_t
1632 qla2x00_allow_cna_fw_dump_store(struct device *dev,
1633 	struct device_attribute *attr, const char *buf, size_t count)
1634 {
1635 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1636 	int val = 0;
1637 
1638 	if (!IS_P3P_TYPE(vha->hw))
1639 		return -EINVAL;
1640 
1641 	if (sscanf(buf, "%d", &val) != 1)
1642 		return -EINVAL;
1643 
1644 	vha->hw->allow_cna_fw_dump = val != 0;
1645 
1646 	return strlen(buf);
1647 }
1648 
1649 static ssize_t
1650 qla2x00_pep_version_show(struct device *dev, struct device_attribute *attr,
1651 	char *buf)
1652 {
1653 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1654 	struct qla_hw_data *ha = vha->hw;
1655 
1656 	if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1657 		return scnprintf(buf, PAGE_SIZE, "\n");
1658 
1659 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1660 	    ha->pep_version[0], ha->pep_version[1], ha->pep_version[2]);
1661 }
1662 
1663 static ssize_t
1664 qla2x00_min_supported_speed_show(struct device *dev,
1665     struct device_attribute *attr, char *buf)
1666 {
1667 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1668 	struct qla_hw_data *ha = vha->hw;
1669 
1670 	if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1671 		return scnprintf(buf, PAGE_SIZE, "\n");
1672 
1673 	return scnprintf(buf, PAGE_SIZE, "%s\n",
1674 	    ha->min_supported_speed == 6 ? "64Gps" :
1675 	    ha->min_supported_speed == 5 ? "32Gps" :
1676 	    ha->min_supported_speed == 4 ? "16Gps" :
1677 	    ha->min_supported_speed == 3 ? "8Gps" :
1678 	    ha->min_supported_speed == 2 ? "4Gps" :
1679 	    ha->min_supported_speed != 0 ? "unknown" : "");
1680 }
1681 
1682 static ssize_t
1683 qla2x00_max_supported_speed_show(struct device *dev,
1684     struct device_attribute *attr, char *buf)
1685 {
1686 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1687 	struct qla_hw_data *ha = vha->hw;
1688 
1689 	if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1690 		return scnprintf(buf, PAGE_SIZE, "\n");
1691 
1692 	return scnprintf(buf, PAGE_SIZE, "%s\n",
1693 	    ha->max_supported_speed  == 2 ? "64Gps" :
1694 	    ha->max_supported_speed  == 1 ? "32Gps" :
1695 	    ha->max_supported_speed  == 0 ? "16Gps" : "unknown");
1696 }
1697 
1698 static ssize_t
1699 qla2x00_port_speed_store(struct device *dev, struct device_attribute *attr,
1700     const char *buf, size_t count)
1701 {
1702 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(dev));
1703 	ulong type, speed;
1704 	int oldspeed, rval;
1705 	int mode = QLA_SET_DATA_RATE_LR;
1706 	struct qla_hw_data *ha = vha->hw;
1707 
1708 	if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) {
1709 		ql_log(ql_log_warn, vha, 0x70d8,
1710 		    "Speed setting not supported \n");
1711 		return -EINVAL;
1712 	}
1713 
1714 	rval = kstrtol(buf, 10, &type);
1715 	if (rval)
1716 		return rval;
1717 	speed = type;
1718 	if (type == 40 || type == 80 || type == 160 ||
1719 	    type == 320) {
1720 		ql_dbg(ql_dbg_user, vha, 0x70d9,
1721 		    "Setting will be affected after a loss of sync\n");
1722 		type = type/10;
1723 		mode = QLA_SET_DATA_RATE_NOLR;
1724 	}
1725 
1726 	oldspeed = ha->set_data_rate;
1727 
1728 	switch (type) {
1729 	case 0:
1730 		ha->set_data_rate = PORT_SPEED_AUTO;
1731 		break;
1732 	case 4:
1733 		ha->set_data_rate = PORT_SPEED_4GB;
1734 		break;
1735 	case 8:
1736 		ha->set_data_rate = PORT_SPEED_8GB;
1737 		break;
1738 	case 16:
1739 		ha->set_data_rate = PORT_SPEED_16GB;
1740 		break;
1741 	case 32:
1742 		ha->set_data_rate = PORT_SPEED_32GB;
1743 		break;
1744 	default:
1745 		ql_log(ql_log_warn, vha, 0x1199,
1746 		    "Unrecognized speed setting:%lx. Setting Autoneg\n",
1747 		    speed);
1748 		ha->set_data_rate = PORT_SPEED_AUTO;
1749 	}
1750 
1751 	if (qla2x00_chip_is_down(vha) || (oldspeed == ha->set_data_rate))
1752 		return -EINVAL;
1753 
1754 	ql_log(ql_log_info, vha, 0x70da,
1755 	    "Setting speed to %lx Gbps \n", type);
1756 
1757 	rval = qla2x00_set_data_rate(vha, mode);
1758 	if (rval != QLA_SUCCESS)
1759 		return -EIO;
1760 
1761 	return strlen(buf);
1762 }
1763 
1764 static ssize_t
1765 qla2x00_port_speed_show(struct device *dev, struct device_attribute *attr,
1766     char *buf)
1767 {
1768 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(dev));
1769 	struct qla_hw_data *ha = vha->hw;
1770 	ssize_t rval;
1771 	char *spd[7] = {"0", "0", "0", "4", "8", "16", "32"};
1772 
1773 	rval = qla2x00_get_data_rate(vha);
1774 	if (rval != QLA_SUCCESS) {
1775 		ql_log(ql_log_warn, vha, 0x70db,
1776 		    "Unable to get port speed rval:%zd\n", rval);
1777 		return -EINVAL;
1778 	}
1779 
1780 	ql_log(ql_log_info, vha, 0x70d6,
1781 	    "port speed:%d\n", ha->link_data_rate);
1782 
1783 	return scnprintf(buf, PAGE_SIZE, "%s\n", spd[ha->link_data_rate]);
1784 }
1785 
1786 /* ----- */
1787 
1788 static ssize_t
1789 qlini_mode_show(struct device *dev, struct device_attribute *attr, char *buf)
1790 {
1791 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1792 	int len = 0;
1793 
1794 	len += scnprintf(buf + len, PAGE_SIZE-len,
1795 	    "Supported options: enabled | disabled | dual | exclusive\n");
1796 
1797 	/* --- */
1798 	len += scnprintf(buf + len, PAGE_SIZE-len, "Current selection: ");
1799 
1800 	switch (vha->qlini_mode) {
1801 	case QLA2XXX_INI_MODE_EXCLUSIVE:
1802 		len += scnprintf(buf + len, PAGE_SIZE-len,
1803 		    QLA2XXX_INI_MODE_STR_EXCLUSIVE);
1804 		break;
1805 	case QLA2XXX_INI_MODE_DISABLED:
1806 		len += scnprintf(buf + len, PAGE_SIZE-len,
1807 		    QLA2XXX_INI_MODE_STR_DISABLED);
1808 		break;
1809 	case QLA2XXX_INI_MODE_ENABLED:
1810 		len += scnprintf(buf + len, PAGE_SIZE-len,
1811 		    QLA2XXX_INI_MODE_STR_ENABLED);
1812 		break;
1813 	case QLA2XXX_INI_MODE_DUAL:
1814 		len += scnprintf(buf + len, PAGE_SIZE-len,
1815 		    QLA2XXX_INI_MODE_STR_DUAL);
1816 		break;
1817 	}
1818 	len += scnprintf(buf + len, PAGE_SIZE-len, "\n");
1819 
1820 	return len;
1821 }
1822 
1823 static char *mode_to_str[] = {
1824 	"exclusive",
1825 	"disabled",
1826 	"enabled",
1827 	"dual",
1828 };
1829 
1830 #define NEED_EXCH_OFFLOAD(_exchg) ((_exchg) > FW_DEF_EXCHANGES_CNT)
1831 static int qla_set_ini_mode(scsi_qla_host_t *vha, int op)
1832 {
1833 	int rc = 0;
1834 	enum {
1835 		NO_ACTION,
1836 		MODE_CHANGE_ACCEPT,
1837 		MODE_CHANGE_NO_ACTION,
1838 		TARGET_STILL_ACTIVE,
1839 	};
1840 	int action = NO_ACTION;
1841 	int set_mode = 0;
1842 	u8  eo_toggle = 0;	/* exchange offload flipped */
1843 
1844 	switch (vha->qlini_mode) {
1845 	case QLA2XXX_INI_MODE_DISABLED:
1846 		switch (op) {
1847 		case QLA2XXX_INI_MODE_DISABLED:
1848 			if (qla_tgt_mode_enabled(vha)) {
1849 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1850 				    vha->hw->flags.exchoffld_enabled)
1851 					eo_toggle = 1;
1852 				if (((vha->ql2xexchoffld !=
1853 				    vha->u_ql2xexchoffld) &&
1854 				    NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1855 				    eo_toggle) {
1856 					/*
1857 					 * The number of exchange to be offload
1858 					 * was tweaked or offload option was
1859 					 * flipped
1860 					 */
1861 					action = MODE_CHANGE_ACCEPT;
1862 				} else {
1863 					action = MODE_CHANGE_NO_ACTION;
1864 				}
1865 			} else {
1866 				action = MODE_CHANGE_NO_ACTION;
1867 			}
1868 			break;
1869 		case QLA2XXX_INI_MODE_EXCLUSIVE:
1870 			if (qla_tgt_mode_enabled(vha)) {
1871 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1872 				    vha->hw->flags.exchoffld_enabled)
1873 					eo_toggle = 1;
1874 				if (((vha->ql2xexchoffld !=
1875 				    vha->u_ql2xexchoffld) &&
1876 				    NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1877 				    eo_toggle) {
1878 					/*
1879 					 * The number of exchange to be offload
1880 					 * was tweaked or offload option was
1881 					 * flipped
1882 					 */
1883 					action = MODE_CHANGE_ACCEPT;
1884 				} else {
1885 					action = MODE_CHANGE_NO_ACTION;
1886 				}
1887 			} else {
1888 				action = MODE_CHANGE_ACCEPT;
1889 			}
1890 			break;
1891 		case QLA2XXX_INI_MODE_DUAL:
1892 			action = MODE_CHANGE_ACCEPT;
1893 			/* active_mode is target only, reset it to dual */
1894 			if (qla_tgt_mode_enabled(vha)) {
1895 				set_mode = 1;
1896 				action = MODE_CHANGE_ACCEPT;
1897 			} else {
1898 				action = MODE_CHANGE_NO_ACTION;
1899 			}
1900 			break;
1901 
1902 		case QLA2XXX_INI_MODE_ENABLED:
1903 			if (qla_tgt_mode_enabled(vha))
1904 				action = TARGET_STILL_ACTIVE;
1905 			else {
1906 				action = MODE_CHANGE_ACCEPT;
1907 				set_mode = 1;
1908 			}
1909 			break;
1910 		}
1911 		break;
1912 
1913 	case QLA2XXX_INI_MODE_EXCLUSIVE:
1914 		switch (op) {
1915 		case QLA2XXX_INI_MODE_EXCLUSIVE:
1916 			if (qla_tgt_mode_enabled(vha)) {
1917 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1918 				    vha->hw->flags.exchoffld_enabled)
1919 					eo_toggle = 1;
1920 				if (((vha->ql2xexchoffld !=
1921 				    vha->u_ql2xexchoffld) &&
1922 				    NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1923 				    eo_toggle)
1924 					/*
1925 					 * The number of exchange to be offload
1926 					 * was tweaked or offload option was
1927 					 * flipped
1928 					 */
1929 					action = MODE_CHANGE_ACCEPT;
1930 				else
1931 					action = NO_ACTION;
1932 			} else
1933 				action = NO_ACTION;
1934 
1935 			break;
1936 
1937 		case QLA2XXX_INI_MODE_DISABLED:
1938 			if (qla_tgt_mode_enabled(vha)) {
1939 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1940 				    vha->hw->flags.exchoffld_enabled)
1941 					eo_toggle = 1;
1942 				if (((vha->ql2xexchoffld !=
1943 				      vha->u_ql2xexchoffld) &&
1944 				    NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1945 				    eo_toggle)
1946 					action = MODE_CHANGE_ACCEPT;
1947 				else
1948 					action = MODE_CHANGE_NO_ACTION;
1949 			} else
1950 				action = MODE_CHANGE_NO_ACTION;
1951 			break;
1952 
1953 		case QLA2XXX_INI_MODE_DUAL: /* exclusive -> dual */
1954 			if (qla_tgt_mode_enabled(vha)) {
1955 				action = MODE_CHANGE_ACCEPT;
1956 				set_mode = 1;
1957 			} else
1958 				action = MODE_CHANGE_ACCEPT;
1959 			break;
1960 
1961 		case QLA2XXX_INI_MODE_ENABLED:
1962 			if (qla_tgt_mode_enabled(vha))
1963 				action = TARGET_STILL_ACTIVE;
1964 			else {
1965 				if (vha->hw->flags.fw_started)
1966 					action = MODE_CHANGE_NO_ACTION;
1967 				else
1968 					action = MODE_CHANGE_ACCEPT;
1969 			}
1970 			break;
1971 		}
1972 		break;
1973 
1974 	case QLA2XXX_INI_MODE_ENABLED:
1975 		switch (op) {
1976 		case QLA2XXX_INI_MODE_ENABLED:
1977 			if (NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg) !=
1978 			    vha->hw->flags.exchoffld_enabled)
1979 				eo_toggle = 1;
1980 			if (((vha->ql2xiniexchg != vha->u_ql2xiniexchg) &&
1981 				NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg)) ||
1982 			    eo_toggle)
1983 				action = MODE_CHANGE_ACCEPT;
1984 			else
1985 				action = NO_ACTION;
1986 			break;
1987 		case QLA2XXX_INI_MODE_DUAL:
1988 		case QLA2XXX_INI_MODE_DISABLED:
1989 			action = MODE_CHANGE_ACCEPT;
1990 			break;
1991 		default:
1992 			action = MODE_CHANGE_NO_ACTION;
1993 			break;
1994 		}
1995 		break;
1996 
1997 	case QLA2XXX_INI_MODE_DUAL:
1998 		switch (op) {
1999 		case QLA2XXX_INI_MODE_DUAL:
2000 			if (qla_tgt_mode_enabled(vha) ||
2001 			    qla_dual_mode_enabled(vha)) {
2002 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld +
2003 					vha->u_ql2xiniexchg) !=
2004 				    vha->hw->flags.exchoffld_enabled)
2005 					eo_toggle = 1;
2006 
2007 				if ((((vha->ql2xexchoffld +
2008 				       vha->ql2xiniexchg) !=
2009 				    (vha->u_ql2xiniexchg +
2010 				     vha->u_ql2xexchoffld)) &&
2011 				    NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg +
2012 					vha->u_ql2xexchoffld)) || eo_toggle)
2013 					action = MODE_CHANGE_ACCEPT;
2014 				else
2015 					action = NO_ACTION;
2016 			} else {
2017 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld +
2018 					vha->u_ql2xiniexchg) !=
2019 				    vha->hw->flags.exchoffld_enabled)
2020 					eo_toggle = 1;
2021 
2022 				if ((((vha->ql2xexchoffld + vha->ql2xiniexchg)
2023 				    != (vha->u_ql2xiniexchg +
2024 					vha->u_ql2xexchoffld)) &&
2025 				    NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg +
2026 					vha->u_ql2xexchoffld)) || eo_toggle)
2027 					action = MODE_CHANGE_NO_ACTION;
2028 				else
2029 					action = NO_ACTION;
2030 			}
2031 			break;
2032 
2033 		case QLA2XXX_INI_MODE_DISABLED:
2034 			if (qla_tgt_mode_enabled(vha) ||
2035 			    qla_dual_mode_enabled(vha)) {
2036 				/* turning off initiator mode */
2037 				set_mode = 1;
2038 				action = MODE_CHANGE_ACCEPT;
2039 			} else {
2040 				action = MODE_CHANGE_NO_ACTION;
2041 			}
2042 			break;
2043 
2044 		case QLA2XXX_INI_MODE_EXCLUSIVE:
2045 			if (qla_tgt_mode_enabled(vha) ||
2046 			    qla_dual_mode_enabled(vha)) {
2047 				set_mode = 1;
2048 				action = MODE_CHANGE_ACCEPT;
2049 			} else {
2050 				action = MODE_CHANGE_ACCEPT;
2051 			}
2052 			break;
2053 
2054 		case QLA2XXX_INI_MODE_ENABLED:
2055 			if (qla_tgt_mode_enabled(vha) ||
2056 			    qla_dual_mode_enabled(vha)) {
2057 				action = TARGET_STILL_ACTIVE;
2058 			} else {
2059 				action = MODE_CHANGE_ACCEPT;
2060 			}
2061 		}
2062 		break;
2063 	}
2064 
2065 	switch (action) {
2066 	case MODE_CHANGE_ACCEPT:
2067 		ql_log(ql_log_warn, vha, 0xffff,
2068 		    "Mode change accepted. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n",
2069 		    mode_to_str[vha->qlini_mode], mode_to_str[op],
2070 		    vha->ql2xexchoffld, vha->u_ql2xexchoffld,
2071 		    vha->ql2xiniexchg, vha->u_ql2xiniexchg);
2072 
2073 		vha->qlini_mode = op;
2074 		vha->ql2xexchoffld = vha->u_ql2xexchoffld;
2075 		vha->ql2xiniexchg = vha->u_ql2xiniexchg;
2076 		if (set_mode)
2077 			qlt_set_mode(vha);
2078 		vha->flags.online = 1;
2079 		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2080 		break;
2081 
2082 	case MODE_CHANGE_NO_ACTION:
2083 		ql_log(ql_log_warn, vha, 0xffff,
2084 		    "Mode is set. No action taken. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n",
2085 		    mode_to_str[vha->qlini_mode], mode_to_str[op],
2086 		    vha->ql2xexchoffld, vha->u_ql2xexchoffld,
2087 		    vha->ql2xiniexchg, vha->u_ql2xiniexchg);
2088 		vha->qlini_mode = op;
2089 		vha->ql2xexchoffld = vha->u_ql2xexchoffld;
2090 		vha->ql2xiniexchg = vha->u_ql2xiniexchg;
2091 		break;
2092 
2093 	case TARGET_STILL_ACTIVE:
2094 		ql_log(ql_log_warn, vha, 0xffff,
2095 		    "Target Mode is active. Unable to change Mode.\n");
2096 		break;
2097 
2098 	case NO_ACTION:
2099 	default:
2100 		ql_log(ql_log_warn, vha, 0xffff,
2101 		    "Mode unchange. No action taken. %d|%d pct %d|%d.\n",
2102 		    vha->qlini_mode, op,
2103 		    vha->ql2xexchoffld, vha->u_ql2xexchoffld);
2104 		break;
2105 	}
2106 
2107 	return rc;
2108 }
2109 
2110 static ssize_t
2111 qlini_mode_store(struct device *dev, struct device_attribute *attr,
2112     const char *buf, size_t count)
2113 {
2114 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2115 	int ini;
2116 
2117 	if (!buf)
2118 		return -EINVAL;
2119 
2120 	if (strncasecmp(QLA2XXX_INI_MODE_STR_EXCLUSIVE, buf,
2121 		strlen(QLA2XXX_INI_MODE_STR_EXCLUSIVE)) == 0)
2122 		ini = QLA2XXX_INI_MODE_EXCLUSIVE;
2123 	else if (strncasecmp(QLA2XXX_INI_MODE_STR_DISABLED, buf,
2124 		strlen(QLA2XXX_INI_MODE_STR_DISABLED)) == 0)
2125 		ini = QLA2XXX_INI_MODE_DISABLED;
2126 	else if (strncasecmp(QLA2XXX_INI_MODE_STR_ENABLED, buf,
2127 		  strlen(QLA2XXX_INI_MODE_STR_ENABLED)) == 0)
2128 		ini = QLA2XXX_INI_MODE_ENABLED;
2129 	else if (strncasecmp(QLA2XXX_INI_MODE_STR_DUAL, buf,
2130 		strlen(QLA2XXX_INI_MODE_STR_DUAL)) == 0)
2131 		ini = QLA2XXX_INI_MODE_DUAL;
2132 	else
2133 		return -EINVAL;
2134 
2135 	qla_set_ini_mode(vha, ini);
2136 	return strlen(buf);
2137 }
2138 
2139 static ssize_t
2140 ql2xexchoffld_show(struct device *dev, struct device_attribute *attr,
2141     char *buf)
2142 {
2143 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2144 	int len = 0;
2145 
2146 	len += scnprintf(buf + len, PAGE_SIZE-len,
2147 		"target exchange: new %d : current: %d\n\n",
2148 		vha->u_ql2xexchoffld, vha->ql2xexchoffld);
2149 
2150 	len += scnprintf(buf + len, PAGE_SIZE-len,
2151 	    "Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n",
2152 	    vha->host_no);
2153 
2154 	return len;
2155 }
2156 
2157 static ssize_t
2158 ql2xexchoffld_store(struct device *dev, struct device_attribute *attr,
2159     const char *buf, size_t count)
2160 {
2161 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2162 	int val = 0;
2163 
2164 	if (sscanf(buf, "%d", &val) != 1)
2165 		return -EINVAL;
2166 
2167 	if (val > FW_MAX_EXCHANGES_CNT)
2168 		val = FW_MAX_EXCHANGES_CNT;
2169 	else if (val < 0)
2170 		val = 0;
2171 
2172 	vha->u_ql2xexchoffld = val;
2173 	return strlen(buf);
2174 }
2175 
2176 static ssize_t
2177 ql2xiniexchg_show(struct device *dev, struct device_attribute *attr,
2178     char *buf)
2179 {
2180 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2181 	int len = 0;
2182 
2183 	len += scnprintf(buf + len, PAGE_SIZE-len,
2184 		"target exchange: new %d : current: %d\n\n",
2185 		vha->u_ql2xiniexchg, vha->ql2xiniexchg);
2186 
2187 	len += scnprintf(buf + len, PAGE_SIZE-len,
2188 	    "Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n",
2189 	    vha->host_no);
2190 
2191 	return len;
2192 }
2193 
2194 static ssize_t
2195 ql2xiniexchg_store(struct device *dev, struct device_attribute *attr,
2196     const char *buf, size_t count)
2197 {
2198 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2199 	int val = 0;
2200 
2201 	if (sscanf(buf, "%d", &val) != 1)
2202 		return -EINVAL;
2203 
2204 	if (val > FW_MAX_EXCHANGES_CNT)
2205 		val = FW_MAX_EXCHANGES_CNT;
2206 	else if (val < 0)
2207 		val = 0;
2208 
2209 	vha->u_ql2xiniexchg = val;
2210 	return strlen(buf);
2211 }
2212 
2213 static ssize_t
2214 qla2x00_dif_bundle_statistics_show(struct device *dev,
2215     struct device_attribute *attr, char *buf)
2216 {
2217 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2218 	struct qla_hw_data *ha = vha->hw;
2219 
2220 	return scnprintf(buf, PAGE_SIZE,
2221 	    "cross=%llu read=%llu write=%llu kalloc=%llu dma_alloc=%llu unusable=%u\n",
2222 	    ha->dif_bundle_crossed_pages, ha->dif_bundle_reads,
2223 	    ha->dif_bundle_writes, ha->dif_bundle_kallocs,
2224 	    ha->dif_bundle_dma_allocs, ha->pool.unusable.count);
2225 }
2226 
2227 static ssize_t
2228 qla2x00_fw_attr_show(struct device *dev,
2229     struct device_attribute *attr, char *buf)
2230 {
2231 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2232 	struct qla_hw_data *ha = vha->hw;
2233 
2234 	if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
2235 		return scnprintf(buf, PAGE_SIZE, "\n");
2236 
2237 	return scnprintf(buf, PAGE_SIZE, "%llx\n",
2238 	    (uint64_t)ha->fw_attributes_ext[1] << 48 |
2239 	    (uint64_t)ha->fw_attributes_ext[0] << 32 |
2240 	    (uint64_t)ha->fw_attributes_h << 16 |
2241 	    (uint64_t)ha->fw_attributes);
2242 }
2243 
2244 static ssize_t
2245 qla2x00_port_no_show(struct device *dev, struct device_attribute *attr,
2246     char *buf)
2247 {
2248 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2249 
2250 	return scnprintf(buf, PAGE_SIZE, "%u\n", vha->hw->port_no);
2251 }
2252 
2253 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_driver_version_show, NULL);
2254 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
2255 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
2256 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
2257 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
2258 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
2259 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
2260 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
2261 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
2262 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
2263 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
2264 		   qla2x00_zio_timer_store);
2265 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
2266 		   qla2x00_beacon_store);
2267 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
2268 		   qla2x00_optrom_bios_version_show, NULL);
2269 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
2270 		   qla2x00_optrom_efi_version_show, NULL);
2271 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
2272 		   qla2x00_optrom_fcode_version_show, NULL);
2273 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
2274 		   NULL);
2275 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
2276     qla2x00_optrom_gold_fw_version_show, NULL);
2277 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
2278 		   NULL);
2279 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
2280 		   NULL);
2281 static DEVICE_ATTR(serdes_version, 0444, qla2x00_serdes_version_show, NULL);
2282 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
2283 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
2284 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
2285 		   NULL);
2286 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
2287 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
2288 		   qla2x00_vn_port_mac_address_show, NULL);
2289 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
2290 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
2291 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
2292 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
2293 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
2294 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
2295 static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR,
2296 		   qla2x00_allow_cna_fw_dump_show,
2297 		   qla2x00_allow_cna_fw_dump_store);
2298 static DEVICE_ATTR(pep_version, S_IRUGO, qla2x00_pep_version_show, NULL);
2299 static DEVICE_ATTR(min_supported_speed, 0444,
2300 		   qla2x00_min_supported_speed_show, NULL);
2301 static DEVICE_ATTR(max_supported_speed, 0444,
2302 		   qla2x00_max_supported_speed_show, NULL);
2303 static DEVICE_ATTR(zio_threshold, 0644,
2304     qla_zio_threshold_show,
2305     qla_zio_threshold_store);
2306 static DEVICE_ATTR_RW(qlini_mode);
2307 static DEVICE_ATTR_RW(ql2xexchoffld);
2308 static DEVICE_ATTR_RW(ql2xiniexchg);
2309 static DEVICE_ATTR(dif_bundle_statistics, 0444,
2310     qla2x00_dif_bundle_statistics_show, NULL);
2311 static DEVICE_ATTR(port_speed, 0644, qla2x00_port_speed_show,
2312     qla2x00_port_speed_store);
2313 static DEVICE_ATTR(port_no, 0444, qla2x00_port_no_show, NULL);
2314 static DEVICE_ATTR(fw_attr, 0444, qla2x00_fw_attr_show, NULL);
2315 
2316 
2317 struct device_attribute *qla2x00_host_attrs[] = {
2318 	&dev_attr_driver_version,
2319 	&dev_attr_fw_version,
2320 	&dev_attr_serial_num,
2321 	&dev_attr_isp_name,
2322 	&dev_attr_isp_id,
2323 	&dev_attr_model_name,
2324 	&dev_attr_model_desc,
2325 	&dev_attr_pci_info,
2326 	&dev_attr_link_state,
2327 	&dev_attr_zio,
2328 	&dev_attr_zio_timer,
2329 	&dev_attr_beacon,
2330 	&dev_attr_optrom_bios_version,
2331 	&dev_attr_optrom_efi_version,
2332 	&dev_attr_optrom_fcode_version,
2333 	&dev_attr_optrom_fw_version,
2334 	&dev_attr_84xx_fw_version,
2335 	&dev_attr_total_isp_aborts,
2336 	&dev_attr_serdes_version,
2337 	&dev_attr_mpi_version,
2338 	&dev_attr_phy_version,
2339 	&dev_attr_flash_block_size,
2340 	&dev_attr_vlan_id,
2341 	&dev_attr_vn_port_mac_address,
2342 	&dev_attr_fabric_param,
2343 	&dev_attr_fw_state,
2344 	&dev_attr_optrom_gold_fw_version,
2345 	&dev_attr_thermal_temp,
2346 	&dev_attr_diag_requests,
2347 	&dev_attr_diag_megabytes,
2348 	&dev_attr_fw_dump_size,
2349 	&dev_attr_allow_cna_fw_dump,
2350 	&dev_attr_pep_version,
2351 	&dev_attr_min_supported_speed,
2352 	&dev_attr_max_supported_speed,
2353 	&dev_attr_zio_threshold,
2354 	&dev_attr_dif_bundle_statistics,
2355 	&dev_attr_port_speed,
2356 	&dev_attr_port_no,
2357 	&dev_attr_fw_attr,
2358 	NULL, /* reserve for qlini_mode */
2359 	NULL, /* reserve for ql2xiniexchg */
2360 	NULL, /* reserve for ql2xexchoffld */
2361 	NULL,
2362 };
2363 
2364 void qla_insert_tgt_attrs(void)
2365 {
2366 	struct device_attribute **attr;
2367 
2368 	/* advance to empty slot */
2369 	for (attr = &qla2x00_host_attrs[0]; *attr; ++attr)
2370 		continue;
2371 
2372 	*attr = &dev_attr_qlini_mode;
2373 	attr++;
2374 	*attr = &dev_attr_ql2xiniexchg;
2375 	attr++;
2376 	*attr = &dev_attr_ql2xexchoffld;
2377 }
2378 
2379 /* Host attributes. */
2380 
2381 static void
2382 qla2x00_get_host_port_id(struct Scsi_Host *shost)
2383 {
2384 	scsi_qla_host_t *vha = shost_priv(shost);
2385 
2386 	fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
2387 	    vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
2388 }
2389 
2390 static void
2391 qla2x00_get_host_speed(struct Scsi_Host *shost)
2392 {
2393 	scsi_qla_host_t *vha = shost_priv(shost);
2394 	u32 speed;
2395 
2396 	if (IS_QLAFX00(vha->hw)) {
2397 		qlafx00_get_host_speed(shost);
2398 		return;
2399 	}
2400 
2401 	switch (vha->hw->link_data_rate) {
2402 	case PORT_SPEED_1GB:
2403 		speed = FC_PORTSPEED_1GBIT;
2404 		break;
2405 	case PORT_SPEED_2GB:
2406 		speed = FC_PORTSPEED_2GBIT;
2407 		break;
2408 	case PORT_SPEED_4GB:
2409 		speed = FC_PORTSPEED_4GBIT;
2410 		break;
2411 	case PORT_SPEED_8GB:
2412 		speed = FC_PORTSPEED_8GBIT;
2413 		break;
2414 	case PORT_SPEED_10GB:
2415 		speed = FC_PORTSPEED_10GBIT;
2416 		break;
2417 	case PORT_SPEED_16GB:
2418 		speed = FC_PORTSPEED_16GBIT;
2419 		break;
2420 	case PORT_SPEED_32GB:
2421 		speed = FC_PORTSPEED_32GBIT;
2422 		break;
2423 	case PORT_SPEED_64GB:
2424 		speed = FC_PORTSPEED_64GBIT;
2425 		break;
2426 	default:
2427 		speed = FC_PORTSPEED_UNKNOWN;
2428 		break;
2429 	}
2430 
2431 	fc_host_speed(shost) = speed;
2432 }
2433 
2434 static void
2435 qla2x00_get_host_port_type(struct Scsi_Host *shost)
2436 {
2437 	scsi_qla_host_t *vha = shost_priv(shost);
2438 	uint32_t port_type;
2439 
2440 	if (vha->vp_idx) {
2441 		fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
2442 		return;
2443 	}
2444 	switch (vha->hw->current_topology) {
2445 	case ISP_CFG_NL:
2446 		port_type = FC_PORTTYPE_LPORT;
2447 		break;
2448 	case ISP_CFG_FL:
2449 		port_type = FC_PORTTYPE_NLPORT;
2450 		break;
2451 	case ISP_CFG_N:
2452 		port_type = FC_PORTTYPE_PTP;
2453 		break;
2454 	case ISP_CFG_F:
2455 		port_type = FC_PORTTYPE_NPORT;
2456 		break;
2457 	default:
2458 		port_type = FC_PORTTYPE_UNKNOWN;
2459 		break;
2460 	}
2461 
2462 	fc_host_port_type(shost) = port_type;
2463 }
2464 
2465 static void
2466 qla2x00_get_starget_node_name(struct scsi_target *starget)
2467 {
2468 	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2469 	scsi_qla_host_t *vha = shost_priv(host);
2470 	fc_port_t *fcport;
2471 	u64 node_name = 0;
2472 
2473 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
2474 		if (fcport->rport &&
2475 		    starget->id == fcport->rport->scsi_target_id) {
2476 			node_name = wwn_to_u64(fcport->node_name);
2477 			break;
2478 		}
2479 	}
2480 
2481 	fc_starget_node_name(starget) = node_name;
2482 }
2483 
2484 static void
2485 qla2x00_get_starget_port_name(struct scsi_target *starget)
2486 {
2487 	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2488 	scsi_qla_host_t *vha = shost_priv(host);
2489 	fc_port_t *fcport;
2490 	u64 port_name = 0;
2491 
2492 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
2493 		if (fcport->rport &&
2494 		    starget->id == fcport->rport->scsi_target_id) {
2495 			port_name = wwn_to_u64(fcport->port_name);
2496 			break;
2497 		}
2498 	}
2499 
2500 	fc_starget_port_name(starget) = port_name;
2501 }
2502 
2503 static void
2504 qla2x00_get_starget_port_id(struct scsi_target *starget)
2505 {
2506 	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2507 	scsi_qla_host_t *vha = shost_priv(host);
2508 	fc_port_t *fcport;
2509 	uint32_t port_id = ~0U;
2510 
2511 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
2512 		if (fcport->rport &&
2513 		    starget->id == fcport->rport->scsi_target_id) {
2514 			port_id = fcport->d_id.b.domain << 16 |
2515 			    fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2516 			break;
2517 		}
2518 	}
2519 
2520 	fc_starget_port_id(starget) = port_id;
2521 }
2522 
2523 static inline void
2524 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
2525 {
2526 	rport->dev_loss_tmo = timeout ? timeout : 1;
2527 }
2528 
2529 static void
2530 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
2531 {
2532 	struct Scsi_Host *host = rport_to_shost(rport);
2533 	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2534 	unsigned long flags;
2535 
2536 	if (!fcport)
2537 		return;
2538 
2539 	/* Now that the rport has been deleted, set the fcport state to
2540 	   FCS_DEVICE_DEAD */
2541 	qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
2542 
2543 	/*
2544 	 * Transport has effectively 'deleted' the rport, clear
2545 	 * all local references.
2546 	 */
2547 	spin_lock_irqsave(host->host_lock, flags);
2548 	fcport->rport = fcport->drport = NULL;
2549 	*((fc_port_t **)rport->dd_data) = NULL;
2550 	spin_unlock_irqrestore(host->host_lock, flags);
2551 
2552 	if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
2553 		return;
2554 
2555 	if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
2556 		qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
2557 		return;
2558 	}
2559 }
2560 
2561 static void
2562 qla2x00_terminate_rport_io(struct fc_rport *rport)
2563 {
2564 	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2565 
2566 	if (!fcport)
2567 		return;
2568 
2569 	if (test_bit(UNLOADING, &fcport->vha->dpc_flags))
2570 		return;
2571 
2572 	if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
2573 		return;
2574 
2575 	if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
2576 		qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
2577 		return;
2578 	}
2579 	/*
2580 	 * At this point all fcport's software-states are cleared.  Perform any
2581 	 * final cleanup of firmware resources (PCBs and XCBs).
2582 	 */
2583 	if (fcport->loop_id != FC_NO_LOOP_ID) {
2584 		if (IS_FWI2_CAPABLE(fcport->vha->hw))
2585 			fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
2586 			    fcport->loop_id, fcport->d_id.b.domain,
2587 			    fcport->d_id.b.area, fcport->d_id.b.al_pa);
2588 		else
2589 			qla2x00_port_logout(fcport->vha, fcport);
2590 	}
2591 }
2592 
2593 static int
2594 qla2x00_issue_lip(struct Scsi_Host *shost)
2595 {
2596 	scsi_qla_host_t *vha = shost_priv(shost);
2597 
2598 	if (IS_QLAFX00(vha->hw))
2599 		return 0;
2600 
2601 	qla2x00_loop_reset(vha);
2602 	return 0;
2603 }
2604 
2605 static struct fc_host_statistics *
2606 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
2607 {
2608 	scsi_qla_host_t *vha = shost_priv(shost);
2609 	struct qla_hw_data *ha = vha->hw;
2610 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2611 	int rval;
2612 	struct link_statistics *stats;
2613 	dma_addr_t stats_dma;
2614 	struct fc_host_statistics *p = &vha->fc_host_stat;
2615 
2616 	memset(p, -1, sizeof(*p));
2617 
2618 	if (IS_QLAFX00(vha->hw))
2619 		goto done;
2620 
2621 	if (test_bit(UNLOADING, &vha->dpc_flags))
2622 		goto done;
2623 
2624 	if (unlikely(pci_channel_offline(ha->pdev)))
2625 		goto done;
2626 
2627 	if (qla2x00_chip_is_down(vha))
2628 		goto done;
2629 
2630 	stats = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stats), &stats_dma,
2631 				   GFP_KERNEL);
2632 	if (!stats) {
2633 		ql_log(ql_log_warn, vha, 0x707d,
2634 		    "Failed to allocate memory for stats.\n");
2635 		goto done;
2636 	}
2637 
2638 	rval = QLA_FUNCTION_FAILED;
2639 	if (IS_FWI2_CAPABLE(ha)) {
2640 		rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, 0);
2641 	} else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
2642 	    !ha->dpc_active) {
2643 		/* Must be in a 'READY' state for statistics retrieval. */
2644 		rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
2645 						stats, stats_dma);
2646 	}
2647 
2648 	if (rval != QLA_SUCCESS)
2649 		goto done_free;
2650 
2651 	p->link_failure_count = stats->link_fail_cnt;
2652 	p->loss_of_sync_count = stats->loss_sync_cnt;
2653 	p->loss_of_signal_count = stats->loss_sig_cnt;
2654 	p->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
2655 	p->invalid_tx_word_count = stats->inval_xmit_word_cnt;
2656 	p->invalid_crc_count = stats->inval_crc_cnt;
2657 	if (IS_FWI2_CAPABLE(ha)) {
2658 		p->lip_count = stats->lip_cnt;
2659 		p->tx_frames = stats->tx_frames;
2660 		p->rx_frames = stats->rx_frames;
2661 		p->dumped_frames = stats->discarded_frames;
2662 		p->nos_count = stats->nos_rcvd;
2663 		p->error_frames =
2664 			stats->dropped_frames + stats->discarded_frames;
2665 		p->rx_words = vha->qla_stats.input_bytes;
2666 		p->tx_words = vha->qla_stats.output_bytes;
2667 	}
2668 	p->fcp_control_requests = vha->qla_stats.control_requests;
2669 	p->fcp_input_requests = vha->qla_stats.input_requests;
2670 	p->fcp_output_requests = vha->qla_stats.output_requests;
2671 	p->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
2672 	p->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
2673 	p->seconds_since_last_reset =
2674 		get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
2675 	do_div(p->seconds_since_last_reset, HZ);
2676 
2677 done_free:
2678 	dma_free_coherent(&ha->pdev->dev, sizeof(struct link_statistics),
2679 	    stats, stats_dma);
2680 done:
2681 	return p;
2682 }
2683 
2684 static void
2685 qla2x00_reset_host_stats(struct Scsi_Host *shost)
2686 {
2687 	scsi_qla_host_t *vha = shost_priv(shost);
2688 	struct qla_hw_data *ha = vha->hw;
2689 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2690 	struct link_statistics *stats;
2691 	dma_addr_t stats_dma;
2692 
2693 	memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2694 	memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2695 
2696 	vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2697 
2698 	if (IS_FWI2_CAPABLE(ha)) {
2699 		stats = dma_alloc_coherent(&ha->pdev->dev,
2700 		    sizeof(*stats), &stats_dma, GFP_KERNEL);
2701 		if (!stats) {
2702 			ql_log(ql_log_warn, vha, 0x70d7,
2703 			    "Failed to allocate memory for stats.\n");
2704 			return;
2705 		}
2706 
2707 		/* reset firmware statistics */
2708 		qla24xx_get_isp_stats(base_vha, stats, stats_dma, BIT_0);
2709 
2710 		dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
2711 		    stats, stats_dma);
2712 	}
2713 }
2714 
2715 static void
2716 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
2717 {
2718 	scsi_qla_host_t *vha = shost_priv(shost);
2719 
2720 	qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost),
2721 	    sizeof(fc_host_symbolic_name(shost)));
2722 }
2723 
2724 static void
2725 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
2726 {
2727 	scsi_qla_host_t *vha = shost_priv(shost);
2728 
2729 	set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
2730 }
2731 
2732 static void
2733 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
2734 {
2735 	scsi_qla_host_t *vha = shost_priv(shost);
2736 	static const uint8_t node_name[WWN_SIZE] = {
2737 		0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
2738 	};
2739 	u64 fabric_name = wwn_to_u64(node_name);
2740 
2741 	if (vha->device_flags & SWITCH_FOUND)
2742 		fabric_name = wwn_to_u64(vha->fabric_node_name);
2743 
2744 	fc_host_fabric_name(shost) = fabric_name;
2745 }
2746 
2747 static void
2748 qla2x00_get_host_port_state(struct Scsi_Host *shost)
2749 {
2750 	scsi_qla_host_t *vha = shost_priv(shost);
2751 	struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
2752 
2753 	if (!base_vha->flags.online) {
2754 		fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
2755 		return;
2756 	}
2757 
2758 	switch (atomic_read(&base_vha->loop_state)) {
2759 	case LOOP_UPDATE:
2760 		fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
2761 		break;
2762 	case LOOP_DOWN:
2763 		if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
2764 			fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
2765 		else
2766 			fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
2767 		break;
2768 	case LOOP_DEAD:
2769 		fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
2770 		break;
2771 	case LOOP_READY:
2772 		fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
2773 		break;
2774 	default:
2775 		fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
2776 		break;
2777 	}
2778 }
2779 
2780 static int
2781 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
2782 {
2783 	int	ret = 0;
2784 	uint8_t	qos = 0;
2785 	scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
2786 	scsi_qla_host_t *vha = NULL;
2787 	struct qla_hw_data *ha = base_vha->hw;
2788 	int	cnt;
2789 	struct req_que *req = ha->req_q_map[0];
2790 	struct qla_qpair *qpair;
2791 
2792 	ret = qla24xx_vport_create_req_sanity_check(fc_vport);
2793 	if (ret) {
2794 		ql_log(ql_log_warn, vha, 0x707e,
2795 		    "Vport sanity check failed, status %x\n", ret);
2796 		return (ret);
2797 	}
2798 
2799 	vha = qla24xx_create_vhost(fc_vport);
2800 	if (vha == NULL) {
2801 		ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
2802 		return FC_VPORT_FAILED;
2803 	}
2804 	if (disable) {
2805 		atomic_set(&vha->vp_state, VP_OFFLINE);
2806 		fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
2807 	} else
2808 		atomic_set(&vha->vp_state, VP_FAILED);
2809 
2810 	/* ready to create vport */
2811 	ql_log(ql_log_info, vha, 0x7080,
2812 	    "VP entry id %d assigned.\n", vha->vp_idx);
2813 
2814 	/* initialized vport states */
2815 	atomic_set(&vha->loop_state, LOOP_DOWN);
2816 	vha->vp_err_state = VP_ERR_PORTDWN;
2817 	vha->vp_prev_err_state = VP_ERR_UNKWN;
2818 	/* Check if physical ha port is Up */
2819 	if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
2820 	    atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
2821 		/* Don't retry or attempt login of this virtual port */
2822 		ql_dbg(ql_dbg_user, vha, 0x7081,
2823 		    "Vport loop state is not UP.\n");
2824 		atomic_set(&vha->loop_state, LOOP_DEAD);
2825 		if (!disable)
2826 			fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
2827 	}
2828 
2829 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2830 		if (ha->fw_attributes & BIT_4) {
2831 			int prot = 0, guard;
2832 
2833 			vha->flags.difdix_supported = 1;
2834 			ql_dbg(ql_dbg_user, vha, 0x7082,
2835 			    "Registered for DIF/DIX type 1 and 3 protection.\n");
2836 			if (ql2xenabledif == 1)
2837 				prot = SHOST_DIX_TYPE0_PROTECTION;
2838 			scsi_host_set_prot(vha->host,
2839 			    prot | SHOST_DIF_TYPE1_PROTECTION
2840 			    | SHOST_DIF_TYPE2_PROTECTION
2841 			    | SHOST_DIF_TYPE3_PROTECTION
2842 			    | SHOST_DIX_TYPE1_PROTECTION
2843 			    | SHOST_DIX_TYPE2_PROTECTION
2844 			    | SHOST_DIX_TYPE3_PROTECTION);
2845 
2846 			guard = SHOST_DIX_GUARD_CRC;
2847 
2848 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
2849 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2850 				guard |= SHOST_DIX_GUARD_IP;
2851 
2852 			scsi_host_set_guard(vha->host, guard);
2853 		} else
2854 			vha->flags.difdix_supported = 0;
2855 	}
2856 
2857 	if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
2858 				   &ha->pdev->dev)) {
2859 		ql_dbg(ql_dbg_user, vha, 0x7083,
2860 		    "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
2861 		goto vport_create_failed_2;
2862 	}
2863 
2864 	/* initialize attributes */
2865 	fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2866 	fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2867 	fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2868 	fc_host_supported_classes(vha->host) =
2869 		fc_host_supported_classes(base_vha->host);
2870 	fc_host_supported_speeds(vha->host) =
2871 		fc_host_supported_speeds(base_vha->host);
2872 
2873 	qlt_vport_create(vha, ha);
2874 	qla24xx_vport_disable(fc_vport, disable);
2875 
2876 	if (!ql2xmqsupport || !ha->npiv_info)
2877 		goto vport_queue;
2878 
2879 	/* Create a request queue in QoS mode for the vport */
2880 	for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
2881 		if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
2882 			&& memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
2883 					8) == 0) {
2884 			qos = ha->npiv_info[cnt].q_qos;
2885 			break;
2886 		}
2887 	}
2888 
2889 	if (qos) {
2890 		qpair = qla2xxx_create_qpair(vha, qos, vha->vp_idx, true);
2891 		if (!qpair)
2892 			ql_log(ql_log_warn, vha, 0x7084,
2893 			    "Can't create qpair for VP[%d]\n",
2894 			    vha->vp_idx);
2895 		else {
2896 			ql_dbg(ql_dbg_multiq, vha, 0xc001,
2897 			    "Queue pair: %d Qos: %d) created for VP[%d]\n",
2898 			    qpair->id, qos, vha->vp_idx);
2899 			ql_dbg(ql_dbg_user, vha, 0x7085,
2900 			    "Queue Pair: %d Qos: %d) created for VP[%d]\n",
2901 			    qpair->id, qos, vha->vp_idx);
2902 			req = qpair->req;
2903 			vha->qpair = qpair;
2904 		}
2905 	}
2906 
2907 vport_queue:
2908 	vha->req = req;
2909 	return 0;
2910 
2911 vport_create_failed_2:
2912 	qla24xx_disable_vp(vha);
2913 	qla24xx_deallocate_vp_id(vha);
2914 	scsi_host_put(vha->host);
2915 	return FC_VPORT_FAILED;
2916 }
2917 
2918 static int
2919 qla24xx_vport_delete(struct fc_vport *fc_vport)
2920 {
2921 	scsi_qla_host_t *vha = fc_vport->dd_data;
2922 	struct qla_hw_data *ha = vha->hw;
2923 	uint16_t id = vha->vp_idx;
2924 
2925 	set_bit(VPORT_DELETE, &vha->dpc_flags);
2926 
2927 	while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
2928 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
2929 		msleep(1000);
2930 
2931 	qla_nvme_delete(vha);
2932 
2933 	qla24xx_disable_vp(vha);
2934 	qla2x00_wait_for_sess_deletion(vha);
2935 
2936 	vha->flags.delete_progress = 1;
2937 
2938 	qlt_remove_target(ha, vha);
2939 
2940 	fc_remove_host(vha->host);
2941 
2942 	scsi_remove_host(vha->host);
2943 
2944 	/* Allow timer to run to drain queued items, when removing vp */
2945 	qla24xx_deallocate_vp_id(vha);
2946 
2947 	if (vha->timer_active) {
2948 		qla2x00_vp_stop_timer(vha);
2949 		ql_dbg(ql_dbg_user, vha, 0x7086,
2950 		    "Timer for the VP[%d] has stopped\n", vha->vp_idx);
2951 	}
2952 
2953 	qla2x00_free_fcports(vha);
2954 
2955 	mutex_lock(&ha->vport_lock);
2956 	ha->cur_vport_count--;
2957 	clear_bit(vha->vp_idx, ha->vp_idx_map);
2958 	mutex_unlock(&ha->vport_lock);
2959 
2960 	dma_free_coherent(&ha->pdev->dev, vha->gnl.size, vha->gnl.l,
2961 	    vha->gnl.ldma);
2962 
2963 	vha->gnl.l = NULL;
2964 
2965 	vfree(vha->scan.l);
2966 
2967 	if (vha->qpair && vha->qpair->vp_idx == vha->vp_idx) {
2968 		if (qla2xxx_delete_qpair(vha, vha->qpair) != QLA_SUCCESS)
2969 			ql_log(ql_log_warn, vha, 0x7087,
2970 			    "Queue Pair delete failed.\n");
2971 	}
2972 
2973 	ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
2974 	scsi_host_put(vha->host);
2975 	return 0;
2976 }
2977 
2978 static int
2979 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
2980 {
2981 	scsi_qla_host_t *vha = fc_vport->dd_data;
2982 
2983 	if (disable)
2984 		qla24xx_disable_vp(vha);
2985 	else
2986 		qla24xx_enable_vp(vha);
2987 
2988 	return 0;
2989 }
2990 
2991 struct fc_function_template qla2xxx_transport_functions = {
2992 
2993 	.show_host_node_name = 1,
2994 	.show_host_port_name = 1,
2995 	.show_host_supported_classes = 1,
2996 	.show_host_supported_speeds = 1,
2997 
2998 	.get_host_port_id = qla2x00_get_host_port_id,
2999 	.show_host_port_id = 1,
3000 	.get_host_speed = qla2x00_get_host_speed,
3001 	.show_host_speed = 1,
3002 	.get_host_port_type = qla2x00_get_host_port_type,
3003 	.show_host_port_type = 1,
3004 	.get_host_symbolic_name = qla2x00_get_host_symbolic_name,
3005 	.show_host_symbolic_name = 1,
3006 	.set_host_system_hostname = qla2x00_set_host_system_hostname,
3007 	.show_host_system_hostname = 1,
3008 	.get_host_fabric_name = qla2x00_get_host_fabric_name,
3009 	.show_host_fabric_name = 1,
3010 	.get_host_port_state = qla2x00_get_host_port_state,
3011 	.show_host_port_state = 1,
3012 
3013 	.dd_fcrport_size = sizeof(struct fc_port *),
3014 	.show_rport_supported_classes = 1,
3015 
3016 	.get_starget_node_name = qla2x00_get_starget_node_name,
3017 	.show_starget_node_name = 1,
3018 	.get_starget_port_name = qla2x00_get_starget_port_name,
3019 	.show_starget_port_name = 1,
3020 	.get_starget_port_id  = qla2x00_get_starget_port_id,
3021 	.show_starget_port_id = 1,
3022 
3023 	.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
3024 	.show_rport_dev_loss_tmo = 1,
3025 
3026 	.issue_fc_host_lip = qla2x00_issue_lip,
3027 	.dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
3028 	.terminate_rport_io = qla2x00_terminate_rport_io,
3029 	.get_fc_host_stats = qla2x00_get_fc_host_stats,
3030 	.reset_fc_host_stats = qla2x00_reset_host_stats,
3031 
3032 	.vport_create = qla24xx_vport_create,
3033 	.vport_disable = qla24xx_vport_disable,
3034 	.vport_delete = qla24xx_vport_delete,
3035 	.bsg_request = qla24xx_bsg_request,
3036 	.bsg_timeout = qla24xx_bsg_timeout,
3037 };
3038 
3039 struct fc_function_template qla2xxx_transport_vport_functions = {
3040 
3041 	.show_host_node_name = 1,
3042 	.show_host_port_name = 1,
3043 	.show_host_supported_classes = 1,
3044 
3045 	.get_host_port_id = qla2x00_get_host_port_id,
3046 	.show_host_port_id = 1,
3047 	.get_host_speed = qla2x00_get_host_speed,
3048 	.show_host_speed = 1,
3049 	.get_host_port_type = qla2x00_get_host_port_type,
3050 	.show_host_port_type = 1,
3051 	.get_host_symbolic_name = qla2x00_get_host_symbolic_name,
3052 	.show_host_symbolic_name = 1,
3053 	.set_host_system_hostname = qla2x00_set_host_system_hostname,
3054 	.show_host_system_hostname = 1,
3055 	.get_host_fabric_name = qla2x00_get_host_fabric_name,
3056 	.show_host_fabric_name = 1,
3057 	.get_host_port_state = qla2x00_get_host_port_state,
3058 	.show_host_port_state = 1,
3059 
3060 	.dd_fcrport_size = sizeof(struct fc_port *),
3061 	.show_rport_supported_classes = 1,
3062 
3063 	.get_starget_node_name = qla2x00_get_starget_node_name,
3064 	.show_starget_node_name = 1,
3065 	.get_starget_port_name = qla2x00_get_starget_port_name,
3066 	.show_starget_port_name = 1,
3067 	.get_starget_port_id  = qla2x00_get_starget_port_id,
3068 	.show_starget_port_id = 1,
3069 
3070 	.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
3071 	.show_rport_dev_loss_tmo = 1,
3072 
3073 	.issue_fc_host_lip = qla2x00_issue_lip,
3074 	.dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
3075 	.terminate_rport_io = qla2x00_terminate_rport_io,
3076 	.get_fc_host_stats = qla2x00_get_fc_host_stats,
3077 	.reset_fc_host_stats = qla2x00_reset_host_stats,
3078 
3079 	.bsg_request = qla24xx_bsg_request,
3080 	.bsg_timeout = qla24xx_bsg_timeout,
3081 };
3082 
3083 void
3084 qla2x00_init_host_attr(scsi_qla_host_t *vha)
3085 {
3086 	struct qla_hw_data *ha = vha->hw;
3087 	u32 speeds = FC_PORTSPEED_UNKNOWN;
3088 
3089 	fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
3090 	fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
3091 	fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
3092 	fc_host_supported_classes(vha->host) = ha->base_qpair->enable_class_2 ?
3093 			(FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
3094 	fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
3095 	fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
3096 
3097 	if (IS_CNA_CAPABLE(ha))
3098 		speeds = FC_PORTSPEED_10GBIT;
3099 	else if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) {
3100 		if (ha->max_supported_speed == 2) {
3101 			if (ha->min_supported_speed <= 6)
3102 				speeds |= FC_PORTSPEED_64GBIT;
3103 		}
3104 		if (ha->max_supported_speed == 2 ||
3105 		    ha->max_supported_speed == 1) {
3106 			if (ha->min_supported_speed <= 5)
3107 				speeds |= FC_PORTSPEED_32GBIT;
3108 		}
3109 		if (ha->max_supported_speed == 2 ||
3110 		    ha->max_supported_speed == 1 ||
3111 		    ha->max_supported_speed == 0) {
3112 			if (ha->min_supported_speed <= 4)
3113 				speeds |= FC_PORTSPEED_16GBIT;
3114 		}
3115 		if (ha->max_supported_speed == 1 ||
3116 		    ha->max_supported_speed == 0) {
3117 			if (ha->min_supported_speed <= 3)
3118 				speeds |= FC_PORTSPEED_8GBIT;
3119 		}
3120 		if (ha->max_supported_speed == 0) {
3121 			if (ha->min_supported_speed <= 2)
3122 				speeds |= FC_PORTSPEED_4GBIT;
3123 		}
3124 	} else if (IS_QLA2031(ha))
3125 		speeds = FC_PORTSPEED_16GBIT|FC_PORTSPEED_8GBIT|
3126 			FC_PORTSPEED_4GBIT;
3127 	else if (IS_QLA25XX(ha) || IS_QLAFX00(ha))
3128 		speeds = FC_PORTSPEED_8GBIT|FC_PORTSPEED_4GBIT|
3129 			FC_PORTSPEED_2GBIT|FC_PORTSPEED_1GBIT;
3130 	else if (IS_QLA24XX_TYPE(ha))
3131 		speeds = FC_PORTSPEED_4GBIT|FC_PORTSPEED_2GBIT|
3132 			FC_PORTSPEED_1GBIT;
3133 	else if (IS_QLA23XX(ha))
3134 		speeds = FC_PORTSPEED_2GBIT|FC_PORTSPEED_1GBIT;
3135 	else
3136 		speeds = FC_PORTSPEED_1GBIT;
3137 
3138 	fc_host_supported_speeds(vha->host) = speeds;
3139 }
3140