xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_attr.c (revision 9fb29c73)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2014 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 #include "qla_target.h"
9 
10 #include <linux/kthread.h>
11 #include <linux/vmalloc.h>
12 #include <linux/slab.h>
13 #include <linux/delay.h>
14 
15 static int qla24xx_vport_disable(struct fc_vport *, bool);
16 
17 /* SYSFS attributes --------------------------------------------------------- */
18 
19 static ssize_t
20 qla2x00_sysfs_read_fw_dump(struct file *filp, struct kobject *kobj,
21 			   struct bin_attribute *bin_attr,
22 			   char *buf, loff_t off, size_t count)
23 {
24 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
25 	    struct device, kobj)));
26 	struct qla_hw_data *ha = vha->hw;
27 	int rval = 0;
28 
29 	if (!(ha->fw_dump_reading || ha->mctp_dump_reading))
30 		return 0;
31 
32 	if (IS_P3P_TYPE(ha)) {
33 		if (off < ha->md_template_size) {
34 			rval = memory_read_from_buffer(buf, count,
35 			    &off, ha->md_tmplt_hdr, ha->md_template_size);
36 			return rval;
37 		}
38 		off -= ha->md_template_size;
39 		rval = memory_read_from_buffer(buf, count,
40 		    &off, ha->md_dump, ha->md_dump_size);
41 		return rval;
42 	} else if (ha->mctp_dumped && ha->mctp_dump_reading)
43 		return memory_read_from_buffer(buf, count, &off, ha->mctp_dump,
44 		    MCTP_DUMP_SIZE);
45 	else if (ha->fw_dump_reading)
46 		return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
47 					ha->fw_dump_len);
48 	else
49 		return 0;
50 }
51 
52 static ssize_t
53 qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj,
54 			    struct bin_attribute *bin_attr,
55 			    char *buf, loff_t off, size_t count)
56 {
57 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
58 	    struct device, kobj)));
59 	struct qla_hw_data *ha = vha->hw;
60 	int reading;
61 
62 	if (off != 0)
63 		return (0);
64 
65 	reading = simple_strtol(buf, NULL, 10);
66 	switch (reading) {
67 	case 0:
68 		if (!ha->fw_dump_reading)
69 			break;
70 
71 		ql_log(ql_log_info, vha, 0x705d,
72 		    "Firmware dump cleared on (%ld).\n", vha->host_no);
73 
74 		if (IS_P3P_TYPE(ha)) {
75 			qla82xx_md_free(vha);
76 			qla82xx_md_prep(vha);
77 		}
78 		ha->fw_dump_reading = 0;
79 		ha->fw_dumped = 0;
80 		break;
81 	case 1:
82 		if (ha->fw_dumped && !ha->fw_dump_reading) {
83 			ha->fw_dump_reading = 1;
84 
85 			ql_log(ql_log_info, vha, 0x705e,
86 			    "Raw firmware dump ready for read on (%ld).\n",
87 			    vha->host_no);
88 		}
89 		break;
90 	case 2:
91 		qla2x00_alloc_fw_dump(vha);
92 		break;
93 	case 3:
94 		if (IS_QLA82XX(ha)) {
95 			qla82xx_idc_lock(ha);
96 			qla82xx_set_reset_owner(vha);
97 			qla82xx_idc_unlock(ha);
98 		} else if (IS_QLA8044(ha)) {
99 			qla8044_idc_lock(ha);
100 			qla82xx_set_reset_owner(vha);
101 			qla8044_idc_unlock(ha);
102 		} else
103 			qla2x00_system_error(vha);
104 		break;
105 	case 4:
106 		if (IS_P3P_TYPE(ha)) {
107 			if (ha->md_tmplt_hdr)
108 				ql_dbg(ql_dbg_user, vha, 0x705b,
109 				    "MiniDump supported with this firmware.\n");
110 			else
111 				ql_dbg(ql_dbg_user, vha, 0x709d,
112 				    "MiniDump not supported with this firmware.\n");
113 		}
114 		break;
115 	case 5:
116 		if (IS_P3P_TYPE(ha))
117 			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
118 		break;
119 	case 6:
120 		if (!ha->mctp_dump_reading)
121 			break;
122 		ql_log(ql_log_info, vha, 0x70c1,
123 		    "MCTP dump cleared on (%ld).\n", vha->host_no);
124 		ha->mctp_dump_reading = 0;
125 		ha->mctp_dumped = 0;
126 		break;
127 	case 7:
128 		if (ha->mctp_dumped && !ha->mctp_dump_reading) {
129 			ha->mctp_dump_reading = 1;
130 			ql_log(ql_log_info, vha, 0x70c2,
131 			    "Raw mctp dump ready for read on (%ld).\n",
132 			    vha->host_no);
133 		}
134 		break;
135 	}
136 	return count;
137 }
138 
139 static struct bin_attribute sysfs_fw_dump_attr = {
140 	.attr = {
141 		.name = "fw_dump",
142 		.mode = S_IRUSR | S_IWUSR,
143 	},
144 	.size = 0,
145 	.read = qla2x00_sysfs_read_fw_dump,
146 	.write = qla2x00_sysfs_write_fw_dump,
147 };
148 
149 static ssize_t
150 qla2x00_sysfs_read_nvram(struct file *filp, struct kobject *kobj,
151 			 struct bin_attribute *bin_attr,
152 			 char *buf, loff_t off, size_t count)
153 {
154 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
155 	    struct device, kobj)));
156 	struct qla_hw_data *ha = vha->hw;
157 
158 	if (!capable(CAP_SYS_ADMIN))
159 		return 0;
160 
161 	mutex_lock(&ha->optrom_mutex);
162 	if (qla2x00_chip_is_down(vha)) {
163 		mutex_unlock(&ha->optrom_mutex);
164 		return -EAGAIN;
165 	}
166 
167 	if (IS_NOCACHE_VPD_TYPE(ha))
168 		ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
169 		    ha->nvram_size);
170 	mutex_unlock(&ha->optrom_mutex);
171 
172 	return memory_read_from_buffer(buf, count, &off, ha->nvram,
173 					ha->nvram_size);
174 }
175 
176 static ssize_t
177 qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
178 			  struct bin_attribute *bin_attr,
179 			  char *buf, loff_t off, size_t count)
180 {
181 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
182 	    struct device, kobj)));
183 	struct qla_hw_data *ha = vha->hw;
184 	uint16_t	cnt;
185 
186 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
187 	    !ha->isp_ops->write_nvram)
188 		return -EINVAL;
189 
190 	/* Checksum NVRAM. */
191 	if (IS_FWI2_CAPABLE(ha)) {
192 		uint32_t *iter;
193 		uint32_t chksum;
194 
195 		iter = (uint32_t *)buf;
196 		chksum = 0;
197 		for (cnt = 0; cnt < ((count >> 2) - 1); cnt++, iter++)
198 			chksum += le32_to_cpu(*iter);
199 		chksum = ~chksum + 1;
200 		*iter = cpu_to_le32(chksum);
201 	} else {
202 		uint8_t *iter;
203 		uint8_t chksum;
204 
205 		iter = (uint8_t *)buf;
206 		chksum = 0;
207 		for (cnt = 0; cnt < count - 1; cnt++)
208 			chksum += *iter++;
209 		chksum = ~chksum + 1;
210 		*iter = chksum;
211 	}
212 
213 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
214 		ql_log(ql_log_warn, vha, 0x705f,
215 		    "HBA not online, failing NVRAM update.\n");
216 		return -EAGAIN;
217 	}
218 
219 	mutex_lock(&ha->optrom_mutex);
220 	if (qla2x00_chip_is_down(vha)) {
221 		mutex_unlock(&ha->optrom_mutex);
222 		return -EAGAIN;
223 	}
224 
225 	/* Write NVRAM. */
226 	ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
227 	ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
228 	     count);
229 	mutex_unlock(&ha->optrom_mutex);
230 
231 	ql_dbg(ql_dbg_user, vha, 0x7060,
232 	    "Setting ISP_ABORT_NEEDED\n");
233 	/* NVRAM settings take effect immediately. */
234 	set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
235 	qla2xxx_wake_dpc(vha);
236 	qla2x00_wait_for_chip_reset(vha);
237 
238 	return count;
239 }
240 
241 static struct bin_attribute sysfs_nvram_attr = {
242 	.attr = {
243 		.name = "nvram",
244 		.mode = S_IRUSR | S_IWUSR,
245 	},
246 	.size = 512,
247 	.read = qla2x00_sysfs_read_nvram,
248 	.write = qla2x00_sysfs_write_nvram,
249 };
250 
251 static ssize_t
252 qla2x00_sysfs_read_optrom(struct file *filp, struct kobject *kobj,
253 			  struct bin_attribute *bin_attr,
254 			  char *buf, loff_t off, size_t count)
255 {
256 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
257 	    struct device, kobj)));
258 	struct qla_hw_data *ha = vha->hw;
259 	ssize_t rval = 0;
260 
261 	mutex_lock(&ha->optrom_mutex);
262 
263 	if (ha->optrom_state != QLA_SREADING)
264 		goto out;
265 
266 	rval = memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
267 	    ha->optrom_region_size);
268 
269 out:
270 	mutex_unlock(&ha->optrom_mutex);
271 
272 	return rval;
273 }
274 
275 static ssize_t
276 qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
277 			   struct bin_attribute *bin_attr,
278 			   char *buf, loff_t off, size_t count)
279 {
280 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
281 	    struct device, kobj)));
282 	struct qla_hw_data *ha = vha->hw;
283 
284 	mutex_lock(&ha->optrom_mutex);
285 
286 	if (ha->optrom_state != QLA_SWRITING) {
287 		mutex_unlock(&ha->optrom_mutex);
288 		return -EINVAL;
289 	}
290 	if (off > ha->optrom_region_size) {
291 		mutex_unlock(&ha->optrom_mutex);
292 		return -ERANGE;
293 	}
294 	if (off + count > ha->optrom_region_size)
295 		count = ha->optrom_region_size - off;
296 
297 	memcpy(&ha->optrom_buffer[off], buf, count);
298 	mutex_unlock(&ha->optrom_mutex);
299 
300 	return count;
301 }
302 
303 static struct bin_attribute sysfs_optrom_attr = {
304 	.attr = {
305 		.name = "optrom",
306 		.mode = S_IRUSR | S_IWUSR,
307 	},
308 	.size = 0,
309 	.read = qla2x00_sysfs_read_optrom,
310 	.write = qla2x00_sysfs_write_optrom,
311 };
312 
313 static ssize_t
314 qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
315 			       struct bin_attribute *bin_attr,
316 			       char *buf, loff_t off, size_t count)
317 {
318 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
319 	    struct device, kobj)));
320 	struct qla_hw_data *ha = vha->hw;
321 	uint32_t start = 0;
322 	uint32_t size = ha->optrom_size;
323 	int val, valid;
324 	ssize_t rval = count;
325 
326 	if (off)
327 		return -EINVAL;
328 
329 	if (unlikely(pci_channel_offline(ha->pdev)))
330 		return -EAGAIN;
331 
332 	if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
333 		return -EINVAL;
334 	if (start > ha->optrom_size)
335 		return -EINVAL;
336 	if (size > ha->optrom_size - start)
337 		size = ha->optrom_size - start;
338 
339 	mutex_lock(&ha->optrom_mutex);
340 	if (qla2x00_chip_is_down(vha)) {
341 		mutex_unlock(&ha->optrom_mutex);
342 		return -EAGAIN;
343 	}
344 	switch (val) {
345 	case 0:
346 		if (ha->optrom_state != QLA_SREADING &&
347 		    ha->optrom_state != QLA_SWRITING) {
348 			rval =  -EINVAL;
349 			goto out;
350 		}
351 		ha->optrom_state = QLA_SWAITING;
352 
353 		ql_dbg(ql_dbg_user, vha, 0x7061,
354 		    "Freeing flash region allocation -- 0x%x bytes.\n",
355 		    ha->optrom_region_size);
356 
357 		vfree(ha->optrom_buffer);
358 		ha->optrom_buffer = NULL;
359 		break;
360 	case 1:
361 		if (ha->optrom_state != QLA_SWAITING) {
362 			rval = -EINVAL;
363 			goto out;
364 		}
365 
366 		ha->optrom_region_start = start;
367 		ha->optrom_region_size = start + size;
368 
369 		ha->optrom_state = QLA_SREADING;
370 		ha->optrom_buffer = vmalloc(ha->optrom_region_size);
371 		if (ha->optrom_buffer == NULL) {
372 			ql_log(ql_log_warn, vha, 0x7062,
373 			    "Unable to allocate memory for optrom retrieval "
374 			    "(%x).\n", ha->optrom_region_size);
375 
376 			ha->optrom_state = QLA_SWAITING;
377 			rval = -ENOMEM;
378 			goto out;
379 		}
380 
381 		if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
382 			ql_log(ql_log_warn, vha, 0x7063,
383 			    "HBA not online, failing NVRAM update.\n");
384 			rval = -EAGAIN;
385 			goto out;
386 		}
387 
388 		ql_dbg(ql_dbg_user, vha, 0x7064,
389 		    "Reading flash region -- 0x%x/0x%x.\n",
390 		    ha->optrom_region_start, ha->optrom_region_size);
391 
392 		memset(ha->optrom_buffer, 0, ha->optrom_region_size);
393 		ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
394 		    ha->optrom_region_start, ha->optrom_region_size);
395 		break;
396 	case 2:
397 		if (ha->optrom_state != QLA_SWAITING) {
398 			rval = -EINVAL;
399 			goto out;
400 		}
401 
402 		/*
403 		 * We need to be more restrictive on which FLASH regions are
404 		 * allowed to be updated via user-space.  Regions accessible
405 		 * via this method include:
406 		 *
407 		 * ISP21xx/ISP22xx/ISP23xx type boards:
408 		 *
409 		 * 	0x000000 -> 0x020000 -- Boot code.
410 		 *
411 		 * ISP2322/ISP24xx type boards:
412 		 *
413 		 * 	0x000000 -> 0x07ffff -- Boot code.
414 		 * 	0x080000 -> 0x0fffff -- Firmware.
415 		 *
416 		 * ISP25xx type boards:
417 		 *
418 		 * 	0x000000 -> 0x07ffff -- Boot code.
419 		 * 	0x080000 -> 0x0fffff -- Firmware.
420 		 * 	0x120000 -> 0x12ffff -- VPD and HBA parameters.
421 		 */
422 		valid = 0;
423 		if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
424 			valid = 1;
425 		else if (start == (ha->flt_region_boot * 4) ||
426 		    start == (ha->flt_region_fw * 4))
427 			valid = 1;
428 		else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)
429 			|| IS_CNA_CAPABLE(ha) || IS_QLA2031(ha)
430 			|| IS_QLA27XX(ha))
431 			valid = 1;
432 		if (!valid) {
433 			ql_log(ql_log_warn, vha, 0x7065,
434 			    "Invalid start region 0x%x/0x%x.\n", start, size);
435 			rval = -EINVAL;
436 			goto out;
437 		}
438 
439 		ha->optrom_region_start = start;
440 		ha->optrom_region_size = start + size;
441 
442 		ha->optrom_state = QLA_SWRITING;
443 		ha->optrom_buffer = vmalloc(ha->optrom_region_size);
444 		if (ha->optrom_buffer == NULL) {
445 			ql_log(ql_log_warn, vha, 0x7066,
446 			    "Unable to allocate memory for optrom update "
447 			    "(%x)\n", ha->optrom_region_size);
448 
449 			ha->optrom_state = QLA_SWAITING;
450 			rval = -ENOMEM;
451 			goto out;
452 		}
453 
454 		ql_dbg(ql_dbg_user, vha, 0x7067,
455 		    "Staging flash region write -- 0x%x/0x%x.\n",
456 		    ha->optrom_region_start, ha->optrom_region_size);
457 
458 		memset(ha->optrom_buffer, 0, ha->optrom_region_size);
459 		break;
460 	case 3:
461 		if (ha->optrom_state != QLA_SWRITING) {
462 			rval = -EINVAL;
463 			goto out;
464 		}
465 
466 		if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
467 			ql_log(ql_log_warn, vha, 0x7068,
468 			    "HBA not online, failing flash update.\n");
469 			rval = -EAGAIN;
470 			goto out;
471 		}
472 
473 		ql_dbg(ql_dbg_user, vha, 0x7069,
474 		    "Writing flash region -- 0x%x/0x%x.\n",
475 		    ha->optrom_region_start, ha->optrom_region_size);
476 
477 		ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
478 		    ha->optrom_region_start, ha->optrom_region_size);
479 		break;
480 	default:
481 		rval = -EINVAL;
482 	}
483 
484 out:
485 	mutex_unlock(&ha->optrom_mutex);
486 	return rval;
487 }
488 
489 static struct bin_attribute sysfs_optrom_ctl_attr = {
490 	.attr = {
491 		.name = "optrom_ctl",
492 		.mode = S_IWUSR,
493 	},
494 	.size = 0,
495 	.write = qla2x00_sysfs_write_optrom_ctl,
496 };
497 
498 static ssize_t
499 qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
500 		       struct bin_attribute *bin_attr,
501 		       char *buf, loff_t off, size_t count)
502 {
503 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
504 	    struct device, kobj)));
505 	struct qla_hw_data *ha = vha->hw;
506 	uint32_t faddr;
507 
508 	if (unlikely(pci_channel_offline(ha->pdev)))
509 		return -EAGAIN;
510 
511 	if (!capable(CAP_SYS_ADMIN))
512 		return -EINVAL;
513 
514 	if (IS_NOCACHE_VPD_TYPE(ha)) {
515 		faddr = ha->flt_region_vpd << 2;
516 
517 		if (IS_QLA27XX(ha) &&
518 		    qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
519 			faddr = ha->flt_region_vpd_sec << 2;
520 
521 		mutex_lock(&ha->optrom_mutex);
522 		if (qla2x00_chip_is_down(vha)) {
523 			mutex_unlock(&ha->optrom_mutex);
524 			return -EAGAIN;
525 		}
526 		ha->isp_ops->read_optrom(vha, ha->vpd, faddr,
527 		    ha->vpd_size);
528 		mutex_unlock(&ha->optrom_mutex);
529 	}
530 	return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
531 }
532 
533 static ssize_t
534 qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
535 			struct bin_attribute *bin_attr,
536 			char *buf, loff_t off, size_t count)
537 {
538 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
539 	    struct device, kobj)));
540 	struct qla_hw_data *ha = vha->hw;
541 	uint8_t *tmp_data;
542 
543 	if (unlikely(pci_channel_offline(ha->pdev)))
544 		return 0;
545 
546 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
547 	    !ha->isp_ops->write_nvram)
548 		return 0;
549 
550 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
551 		ql_log(ql_log_warn, vha, 0x706a,
552 		    "HBA not online, failing VPD update.\n");
553 		return -EAGAIN;
554 	}
555 
556 	mutex_lock(&ha->optrom_mutex);
557 	if (qla2x00_chip_is_down(vha)) {
558 		mutex_unlock(&ha->optrom_mutex);
559 		return -EAGAIN;
560 	}
561 
562 	/* Write NVRAM. */
563 	ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
564 	ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
565 
566 	/* Update flash version information for 4Gb & above. */
567 	if (!IS_FWI2_CAPABLE(ha)) {
568 		mutex_unlock(&ha->optrom_mutex);
569 		return -EINVAL;
570 	}
571 
572 	tmp_data = vmalloc(256);
573 	if (!tmp_data) {
574 		mutex_unlock(&ha->optrom_mutex);
575 		ql_log(ql_log_warn, vha, 0x706b,
576 		    "Unable to allocate memory for VPD information update.\n");
577 		return -ENOMEM;
578 	}
579 	ha->isp_ops->get_flash_version(vha, tmp_data);
580 	vfree(tmp_data);
581 
582 	mutex_unlock(&ha->optrom_mutex);
583 
584 	return count;
585 }
586 
587 static struct bin_attribute sysfs_vpd_attr = {
588 	.attr = {
589 		.name = "vpd",
590 		.mode = S_IRUSR | S_IWUSR,
591 	},
592 	.size = 0,
593 	.read = qla2x00_sysfs_read_vpd,
594 	.write = qla2x00_sysfs_write_vpd,
595 };
596 
597 static ssize_t
598 qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
599 		       struct bin_attribute *bin_attr,
600 		       char *buf, loff_t off, size_t count)
601 {
602 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
603 	    struct device, kobj)));
604 	int rval;
605 
606 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count < SFP_DEV_SIZE)
607 		return 0;
608 
609 	mutex_lock(&vha->hw->optrom_mutex);
610 	if (qla2x00_chip_is_down(vha)) {
611 		mutex_unlock(&vha->hw->optrom_mutex);
612 		return 0;
613 	}
614 
615 	rval = qla2x00_read_sfp_dev(vha, buf, count);
616 	mutex_unlock(&vha->hw->optrom_mutex);
617 
618 	if (rval)
619 		return -EIO;
620 
621 	return count;
622 }
623 
624 static struct bin_attribute sysfs_sfp_attr = {
625 	.attr = {
626 		.name = "sfp",
627 		.mode = S_IRUSR | S_IWUSR,
628 	},
629 	.size = SFP_DEV_SIZE,
630 	.read = qla2x00_sysfs_read_sfp,
631 };
632 
633 static ssize_t
634 qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
635 			struct bin_attribute *bin_attr,
636 			char *buf, loff_t off, size_t count)
637 {
638 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
639 	    struct device, kobj)));
640 	struct qla_hw_data *ha = vha->hw;
641 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
642 	int type;
643 	uint32_t idc_control;
644 	uint8_t *tmp_data = NULL;
645 	if (off != 0)
646 		return -EINVAL;
647 
648 	type = simple_strtol(buf, NULL, 10);
649 	switch (type) {
650 	case 0x2025c:
651 		ql_log(ql_log_info, vha, 0x706e,
652 		    "Issuing ISP reset.\n");
653 
654 		scsi_block_requests(vha->host);
655 		if (IS_QLA82XX(ha)) {
656 			ha->flags.isp82xx_no_md_cap = 1;
657 			qla82xx_idc_lock(ha);
658 			qla82xx_set_reset_owner(vha);
659 			qla82xx_idc_unlock(ha);
660 		} else if (IS_QLA8044(ha)) {
661 			qla8044_idc_lock(ha);
662 			idc_control = qla8044_rd_reg(ha,
663 			    QLA8044_IDC_DRV_CTRL);
664 			qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
665 			    (idc_control | GRACEFUL_RESET_BIT1));
666 			qla82xx_set_reset_owner(vha);
667 			qla8044_idc_unlock(ha);
668 		} else {
669 			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
670 			qla2xxx_wake_dpc(vha);
671 		}
672 		qla2x00_wait_for_chip_reset(vha);
673 		scsi_unblock_requests(vha->host);
674 		break;
675 	case 0x2025d:
676 		if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
677 			return -EPERM;
678 
679 		ql_log(ql_log_info, vha, 0x706f,
680 		    "Issuing MPI reset.\n");
681 
682 		if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
683 			uint32_t idc_control;
684 
685 			qla83xx_idc_lock(vha, 0);
686 			__qla83xx_get_idc_control(vha, &idc_control);
687 			idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
688 			__qla83xx_set_idc_control(vha, idc_control);
689 			qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
690 			    QLA8XXX_DEV_NEED_RESET);
691 			qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
692 			qla83xx_idc_unlock(vha, 0);
693 			break;
694 		} else {
695 			/* Make sure FC side is not in reset */
696 			qla2x00_wait_for_hba_online(vha);
697 
698 			/* Issue MPI reset */
699 			scsi_block_requests(vha->host);
700 			if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
701 				ql_log(ql_log_warn, vha, 0x7070,
702 				    "MPI reset failed.\n");
703 			scsi_unblock_requests(vha->host);
704 			break;
705 		}
706 	case 0x2025e:
707 		if (!IS_P3P_TYPE(ha) || vha != base_vha) {
708 			ql_log(ql_log_info, vha, 0x7071,
709 			    "FCoE ctx reset not supported.\n");
710 			return -EPERM;
711 		}
712 
713 		ql_log(ql_log_info, vha, 0x7072,
714 		    "Issuing FCoE ctx reset.\n");
715 		set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
716 		qla2xxx_wake_dpc(vha);
717 		qla2x00_wait_for_fcoe_ctx_reset(vha);
718 		break;
719 	case 0x2025f:
720 		if (!IS_QLA8031(ha))
721 			return -EPERM;
722 		ql_log(ql_log_info, vha, 0x70bc,
723 		    "Disabling Reset by IDC control\n");
724 		qla83xx_idc_lock(vha, 0);
725 		__qla83xx_get_idc_control(vha, &idc_control);
726 		idc_control |= QLA83XX_IDC_RESET_DISABLED;
727 		__qla83xx_set_idc_control(vha, idc_control);
728 		qla83xx_idc_unlock(vha, 0);
729 		break;
730 	case 0x20260:
731 		if (!IS_QLA8031(ha))
732 			return -EPERM;
733 		ql_log(ql_log_info, vha, 0x70bd,
734 		    "Enabling Reset by IDC control\n");
735 		qla83xx_idc_lock(vha, 0);
736 		__qla83xx_get_idc_control(vha, &idc_control);
737 		idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
738 		__qla83xx_set_idc_control(vha, idc_control);
739 		qla83xx_idc_unlock(vha, 0);
740 		break;
741 	case 0x20261:
742 		ql_dbg(ql_dbg_user, vha, 0x70e0,
743 		    "Updating cache versions without reset ");
744 
745 		tmp_data = vmalloc(256);
746 		if (!tmp_data) {
747 			ql_log(ql_log_warn, vha, 0x70e1,
748 			    "Unable to allocate memory for VPD information update.\n");
749 			return -ENOMEM;
750 		}
751 		ha->isp_ops->get_flash_version(vha, tmp_data);
752 		vfree(tmp_data);
753 		break;
754 	}
755 	return count;
756 }
757 
758 static struct bin_attribute sysfs_reset_attr = {
759 	.attr = {
760 		.name = "reset",
761 		.mode = S_IWUSR,
762 	},
763 	.size = 0,
764 	.write = qla2x00_sysfs_write_reset,
765 };
766 
767 static ssize_t
768 qla2x00_issue_logo(struct file *filp, struct kobject *kobj,
769 			struct bin_attribute *bin_attr,
770 			char *buf, loff_t off, size_t count)
771 {
772 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
773 	    struct device, kobj)));
774 	int type;
775 	port_id_t did;
776 
777 	if (!capable(CAP_SYS_ADMIN))
778 		return 0;
779 
780 	if (unlikely(pci_channel_offline(vha->hw->pdev)))
781 		return 0;
782 
783 	if (qla2x00_chip_is_down(vha))
784 		return 0;
785 
786 	type = simple_strtol(buf, NULL, 10);
787 
788 	did.b.domain = (type & 0x00ff0000) >> 16;
789 	did.b.area = (type & 0x0000ff00) >> 8;
790 	did.b.al_pa = (type & 0x000000ff);
791 
792 	ql_log(ql_log_info, vha, 0xd04d, "portid=%02x%02x%02x done\n",
793 	    did.b.domain, did.b.area, did.b.al_pa);
794 
795 	ql_log(ql_log_info, vha, 0x70e4, "%s: %d\n", __func__, type);
796 
797 	qla24xx_els_dcmd_iocb(vha, ELS_DCMD_LOGO, did);
798 	return count;
799 }
800 
801 static struct bin_attribute sysfs_issue_logo_attr = {
802 	.attr = {
803 		.name = "issue_logo",
804 		.mode = S_IWUSR,
805 	},
806 	.size = 0,
807 	.write = qla2x00_issue_logo,
808 };
809 
810 static ssize_t
811 qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
812 		       struct bin_attribute *bin_attr,
813 		       char *buf, loff_t off, size_t count)
814 {
815 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
816 	    struct device, kobj)));
817 	struct qla_hw_data *ha = vha->hw;
818 	int rval;
819 	uint16_t actual_size;
820 
821 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
822 		return 0;
823 
824 	if (unlikely(pci_channel_offline(ha->pdev)))
825 		return 0;
826 	mutex_lock(&vha->hw->optrom_mutex);
827 	if (qla2x00_chip_is_down(vha)) {
828 		mutex_unlock(&vha->hw->optrom_mutex);
829 		return 0;
830 	}
831 
832 	if (ha->xgmac_data)
833 		goto do_read;
834 
835 	ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
836 	    &ha->xgmac_data_dma, GFP_KERNEL);
837 	if (!ha->xgmac_data) {
838 		mutex_unlock(&vha->hw->optrom_mutex);
839 		ql_log(ql_log_warn, vha, 0x7076,
840 		    "Unable to allocate memory for XGMAC read-data.\n");
841 		return 0;
842 	}
843 
844 do_read:
845 	actual_size = 0;
846 	memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
847 
848 	rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
849 	    XGMAC_DATA_SIZE, &actual_size);
850 
851 	mutex_unlock(&vha->hw->optrom_mutex);
852 	if (rval != QLA_SUCCESS) {
853 		ql_log(ql_log_warn, vha, 0x7077,
854 		    "Unable to read XGMAC data (%x).\n", rval);
855 		count = 0;
856 	}
857 
858 	count = actual_size > count ? count: actual_size;
859 	memcpy(buf, ha->xgmac_data, count);
860 
861 	return count;
862 }
863 
864 static struct bin_attribute sysfs_xgmac_stats_attr = {
865 	.attr = {
866 		.name = "xgmac_stats",
867 		.mode = S_IRUSR,
868 	},
869 	.size = 0,
870 	.read = qla2x00_sysfs_read_xgmac_stats,
871 };
872 
873 static ssize_t
874 qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
875 		       struct bin_attribute *bin_attr,
876 		       char *buf, loff_t off, size_t count)
877 {
878 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
879 	    struct device, kobj)));
880 	struct qla_hw_data *ha = vha->hw;
881 	int rval;
882 
883 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
884 		return 0;
885 
886 	if (ha->dcbx_tlv)
887 		goto do_read;
888 	mutex_lock(&vha->hw->optrom_mutex);
889 	if (qla2x00_chip_is_down(vha)) {
890 		mutex_unlock(&vha->hw->optrom_mutex);
891 		return 0;
892 	}
893 
894 	ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
895 	    &ha->dcbx_tlv_dma, GFP_KERNEL);
896 	if (!ha->dcbx_tlv) {
897 		mutex_unlock(&vha->hw->optrom_mutex);
898 		ql_log(ql_log_warn, vha, 0x7078,
899 		    "Unable to allocate memory for DCBX TLV read-data.\n");
900 		return -ENOMEM;
901 	}
902 
903 do_read:
904 	memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
905 
906 	rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
907 	    DCBX_TLV_DATA_SIZE);
908 
909 	mutex_unlock(&vha->hw->optrom_mutex);
910 
911 	if (rval != QLA_SUCCESS) {
912 		ql_log(ql_log_warn, vha, 0x7079,
913 		    "Unable to read DCBX TLV (%x).\n", rval);
914 		return -EIO;
915 	}
916 
917 	memcpy(buf, ha->dcbx_tlv, count);
918 
919 	return count;
920 }
921 
922 static struct bin_attribute sysfs_dcbx_tlv_attr = {
923 	.attr = {
924 		.name = "dcbx_tlv",
925 		.mode = S_IRUSR,
926 	},
927 	.size = 0,
928 	.read = qla2x00_sysfs_read_dcbx_tlv,
929 };
930 
931 static struct sysfs_entry {
932 	char *name;
933 	struct bin_attribute *attr;
934 	int is4GBp_only;
935 } bin_file_entries[] = {
936 	{ "fw_dump", &sysfs_fw_dump_attr, },
937 	{ "nvram", &sysfs_nvram_attr, },
938 	{ "optrom", &sysfs_optrom_attr, },
939 	{ "optrom_ctl", &sysfs_optrom_ctl_attr, },
940 	{ "vpd", &sysfs_vpd_attr, 1 },
941 	{ "sfp", &sysfs_sfp_attr, 1 },
942 	{ "reset", &sysfs_reset_attr, },
943 	{ "issue_logo", &sysfs_issue_logo_attr, },
944 	{ "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
945 	{ "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
946 	{ NULL },
947 };
948 
949 void
950 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
951 {
952 	struct Scsi_Host *host = vha->host;
953 	struct sysfs_entry *iter;
954 	int ret;
955 
956 	for (iter = bin_file_entries; iter->name; iter++) {
957 		if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
958 			continue;
959 		if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
960 			continue;
961 		if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
962 			continue;
963 
964 		ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
965 		    iter->attr);
966 		if (ret)
967 			ql_log(ql_log_warn, vha, 0x00f3,
968 			    "Unable to create sysfs %s binary attribute (%d).\n",
969 			    iter->name, ret);
970 		else
971 			ql_dbg(ql_dbg_init, vha, 0x00f4,
972 			    "Successfully created sysfs %s binary attribute.\n",
973 			    iter->name);
974 	}
975 }
976 
977 void
978 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
979 {
980 	struct Scsi_Host *host = vha->host;
981 	struct sysfs_entry *iter;
982 	struct qla_hw_data *ha = vha->hw;
983 
984 	for (iter = bin_file_entries; iter->name; iter++) {
985 		if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
986 			continue;
987 		if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
988 			continue;
989 		if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
990 			continue;
991 		if (iter->is4GBp_only == 0x27 && !IS_QLA27XX(vha->hw))
992 			continue;
993 
994 		sysfs_remove_bin_file(&host->shost_gendev.kobj,
995 		    iter->attr);
996 	}
997 
998 	if (stop_beacon && ha->beacon_blink_led == 1)
999 		ha->isp_ops->beacon_off(vha);
1000 }
1001 
1002 /* Scsi_Host attributes. */
1003 
1004 static ssize_t
1005 qla2x00_drvr_version_show(struct device *dev,
1006 			  struct device_attribute *attr, char *buf)
1007 {
1008 	return scnprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
1009 }
1010 
1011 static ssize_t
1012 qla2x00_fw_version_show(struct device *dev,
1013 			struct device_attribute *attr, char *buf)
1014 {
1015 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1016 	struct qla_hw_data *ha = vha->hw;
1017 	char fw_str[128];
1018 
1019 	return scnprintf(buf, PAGE_SIZE, "%s\n",
1020 	    ha->isp_ops->fw_version_str(vha, fw_str, sizeof(fw_str)));
1021 }
1022 
1023 static ssize_t
1024 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
1025 			char *buf)
1026 {
1027 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1028 	struct qla_hw_data *ha = vha->hw;
1029 	uint32_t sn;
1030 
1031 	if (IS_QLAFX00(vha->hw)) {
1032 		return scnprintf(buf, PAGE_SIZE, "%s\n",
1033 		    vha->hw->mr.serial_num);
1034 	} else if (IS_FWI2_CAPABLE(ha)) {
1035 		qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1);
1036 		return strlen(strcat(buf, "\n"));
1037 	}
1038 
1039 	sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1040 	return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
1041 	    sn % 100000);
1042 }
1043 
1044 static ssize_t
1045 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
1046 		      char *buf)
1047 {
1048 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1049 	return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
1050 }
1051 
1052 static ssize_t
1053 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
1054 		    char *buf)
1055 {
1056 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1057 	struct qla_hw_data *ha = vha->hw;
1058 
1059 	if (IS_QLAFX00(vha->hw))
1060 		return scnprintf(buf, PAGE_SIZE, "%s\n",
1061 		    vha->hw->mr.hw_version);
1062 
1063 	return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
1064 	    ha->product_id[0], ha->product_id[1], ha->product_id[2],
1065 	    ha->product_id[3]);
1066 }
1067 
1068 static ssize_t
1069 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
1070 			char *buf)
1071 {
1072 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1073 
1074 	return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
1075 }
1076 
1077 static ssize_t
1078 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
1079 			char *buf)
1080 {
1081 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1082 	return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_desc);
1083 }
1084 
1085 static ssize_t
1086 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
1087 		      char *buf)
1088 {
1089 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1090 	char pci_info[30];
1091 
1092 	return scnprintf(buf, PAGE_SIZE, "%s\n",
1093 	    vha->hw->isp_ops->pci_info_str(vha, pci_info));
1094 }
1095 
1096 static ssize_t
1097 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
1098 			char *buf)
1099 {
1100 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1101 	struct qla_hw_data *ha = vha->hw;
1102 	int len = 0;
1103 
1104 	if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
1105 	    atomic_read(&vha->loop_state) == LOOP_DEAD ||
1106 	    vha->device_flags & DFLG_NO_CABLE)
1107 		len = scnprintf(buf, PAGE_SIZE, "Link Down\n");
1108 	else if (atomic_read(&vha->loop_state) != LOOP_READY ||
1109 	    qla2x00_chip_is_down(vha))
1110 		len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n");
1111 	else {
1112 		len = scnprintf(buf, PAGE_SIZE, "Link Up - ");
1113 
1114 		switch (ha->current_topology) {
1115 		case ISP_CFG_NL:
1116 			len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1117 			break;
1118 		case ISP_CFG_FL:
1119 			len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
1120 			break;
1121 		case ISP_CFG_N:
1122 			len += scnprintf(buf + len, PAGE_SIZE-len,
1123 			    "N_Port to N_Port\n");
1124 			break;
1125 		case ISP_CFG_F:
1126 			len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
1127 			break;
1128 		default:
1129 			len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1130 			break;
1131 		}
1132 	}
1133 	return len;
1134 }
1135 
1136 static ssize_t
1137 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
1138 		 char *buf)
1139 {
1140 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1141 	int len = 0;
1142 
1143 	switch (vha->hw->zio_mode) {
1144 	case QLA_ZIO_MODE_6:
1145 		len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1146 		break;
1147 	case QLA_ZIO_DISABLED:
1148 		len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1149 		break;
1150 	}
1151 	return len;
1152 }
1153 
1154 static ssize_t
1155 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1156 		  const char *buf, size_t count)
1157 {
1158 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1159 	struct qla_hw_data *ha = vha->hw;
1160 	int val = 0;
1161 	uint16_t zio_mode;
1162 
1163 	if (!IS_ZIO_SUPPORTED(ha))
1164 		return -ENOTSUPP;
1165 
1166 	if (sscanf(buf, "%d", &val) != 1)
1167 		return -EINVAL;
1168 
1169 	if (val)
1170 		zio_mode = QLA_ZIO_MODE_6;
1171 	else
1172 		zio_mode = QLA_ZIO_DISABLED;
1173 
1174 	/* Update per-hba values and queue a reset. */
1175 	if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1176 		ha->zio_mode = zio_mode;
1177 		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1178 	}
1179 	return strlen(buf);
1180 }
1181 
1182 static ssize_t
1183 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1184 		       char *buf)
1185 {
1186 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1187 
1188 	return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1189 }
1190 
1191 static ssize_t
1192 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1193 			const char *buf, size_t count)
1194 {
1195 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1196 	int val = 0;
1197 	uint16_t zio_timer;
1198 
1199 	if (sscanf(buf, "%d", &val) != 1)
1200 		return -EINVAL;
1201 	if (val > 25500 || val < 100)
1202 		return -ERANGE;
1203 
1204 	zio_timer = (uint16_t)(val / 100);
1205 	vha->hw->zio_timer = zio_timer;
1206 
1207 	return strlen(buf);
1208 }
1209 
1210 static ssize_t
1211 qla_zio_threshold_show(struct device *dev, struct device_attribute *attr,
1212 		       char *buf)
1213 {
1214 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1215 
1216 	return scnprintf(buf, PAGE_SIZE, "%d exchanges\n",
1217 	    vha->hw->last_zio_threshold);
1218 }
1219 
1220 static ssize_t
1221 qla_zio_threshold_store(struct device *dev, struct device_attribute *attr,
1222     const char *buf, size_t count)
1223 {
1224 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1225 	int val = 0;
1226 
1227 	if (vha->hw->zio_mode != QLA_ZIO_MODE_6)
1228 		return -EINVAL;
1229 	if (sscanf(buf, "%d", &val) != 1)
1230 		return -EINVAL;
1231 	if (val < 0 || val > 256)
1232 		return -ERANGE;
1233 
1234 	atomic_set(&vha->hw->zio_threshold, val);
1235 	return strlen(buf);
1236 }
1237 
1238 static ssize_t
1239 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1240 		    char *buf)
1241 {
1242 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1243 	int len = 0;
1244 
1245 	if (vha->hw->beacon_blink_led)
1246 		len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1247 	else
1248 		len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1249 	return len;
1250 }
1251 
1252 static ssize_t
1253 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1254 		     const char *buf, size_t count)
1255 {
1256 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1257 	struct qla_hw_data *ha = vha->hw;
1258 	int val = 0;
1259 	int rval;
1260 
1261 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
1262 		return -EPERM;
1263 
1264 	if (sscanf(buf, "%d", &val) != 1)
1265 		return -EINVAL;
1266 
1267 	mutex_lock(&vha->hw->optrom_mutex);
1268 	if (qla2x00_chip_is_down(vha)) {
1269 		mutex_unlock(&vha->hw->optrom_mutex);
1270 		ql_log(ql_log_warn, vha, 0x707a,
1271 		    "Abort ISP active -- ignoring beacon request.\n");
1272 		return -EBUSY;
1273 	}
1274 
1275 	if (val)
1276 		rval = ha->isp_ops->beacon_on(vha);
1277 	else
1278 		rval = ha->isp_ops->beacon_off(vha);
1279 
1280 	if (rval != QLA_SUCCESS)
1281 		count = 0;
1282 
1283 	mutex_unlock(&vha->hw->optrom_mutex);
1284 
1285 	return count;
1286 }
1287 
1288 static ssize_t
1289 qla2x00_optrom_bios_version_show(struct device *dev,
1290 				 struct device_attribute *attr, char *buf)
1291 {
1292 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1293 	struct qla_hw_data *ha = vha->hw;
1294 	return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1295 	    ha->bios_revision[0]);
1296 }
1297 
1298 static ssize_t
1299 qla2x00_optrom_efi_version_show(struct device *dev,
1300 				struct device_attribute *attr, char *buf)
1301 {
1302 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1303 	struct qla_hw_data *ha = vha->hw;
1304 	return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1305 	    ha->efi_revision[0]);
1306 }
1307 
1308 static ssize_t
1309 qla2x00_optrom_fcode_version_show(struct device *dev,
1310 				  struct device_attribute *attr, char *buf)
1311 {
1312 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1313 	struct qla_hw_data *ha = vha->hw;
1314 	return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1315 	    ha->fcode_revision[0]);
1316 }
1317 
1318 static ssize_t
1319 qla2x00_optrom_fw_version_show(struct device *dev,
1320 			       struct device_attribute *attr, char *buf)
1321 {
1322 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1323 	struct qla_hw_data *ha = vha->hw;
1324 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1325 	    ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1326 	    ha->fw_revision[3]);
1327 }
1328 
1329 static ssize_t
1330 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1331     struct device_attribute *attr, char *buf)
1332 {
1333 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1334 	struct qla_hw_data *ha = vha->hw;
1335 
1336 	if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha) && !IS_QLA27XX(ha))
1337 		return scnprintf(buf, PAGE_SIZE, "\n");
1338 
1339 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1340 	    ha->gold_fw_version[0], ha->gold_fw_version[1],
1341 	    ha->gold_fw_version[2], ha->gold_fw_version[3]);
1342 }
1343 
1344 static ssize_t
1345 qla2x00_total_isp_aborts_show(struct device *dev,
1346 			      struct device_attribute *attr, char *buf)
1347 {
1348 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1349 	return scnprintf(buf, PAGE_SIZE, "%d\n",
1350 	    vha->qla_stats.total_isp_aborts);
1351 }
1352 
1353 static ssize_t
1354 qla24xx_84xx_fw_version_show(struct device *dev,
1355 	struct device_attribute *attr, char *buf)
1356 {
1357 	int rval = QLA_SUCCESS;
1358 	uint16_t status[2] = {0, 0};
1359 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1360 	struct qla_hw_data *ha = vha->hw;
1361 
1362 	if (!IS_QLA84XX(ha))
1363 		return scnprintf(buf, PAGE_SIZE, "\n");
1364 
1365 	if (ha->cs84xx->op_fw_version == 0)
1366 		rval = qla84xx_verify_chip(vha, status);
1367 
1368 	if ((rval == QLA_SUCCESS) && (status[0] == 0))
1369 		return scnprintf(buf, PAGE_SIZE, "%u\n",
1370 			(uint32_t)ha->cs84xx->op_fw_version);
1371 
1372 	return scnprintf(buf, PAGE_SIZE, "\n");
1373 }
1374 
1375 static ssize_t
1376 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1377     char *buf)
1378 {
1379 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1380 	struct qla_hw_data *ha = vha->hw;
1381 
1382 	if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha) &&
1383 	    !IS_QLA27XX(ha))
1384 		return scnprintf(buf, PAGE_SIZE, "\n");
1385 
1386 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1387 	    ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1388 	    ha->mpi_capabilities);
1389 }
1390 
1391 static ssize_t
1392 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1393     char *buf)
1394 {
1395 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1396 	struct qla_hw_data *ha = vha->hw;
1397 
1398 	if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1399 		return scnprintf(buf, PAGE_SIZE, "\n");
1400 
1401 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1402 	    ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1403 }
1404 
1405 static ssize_t
1406 qla2x00_flash_block_size_show(struct device *dev,
1407 			      struct device_attribute *attr, char *buf)
1408 {
1409 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1410 	struct qla_hw_data *ha = vha->hw;
1411 
1412 	return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1413 }
1414 
1415 static ssize_t
1416 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1417     char *buf)
1418 {
1419 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1420 
1421 	if (!IS_CNA_CAPABLE(vha->hw))
1422 		return scnprintf(buf, PAGE_SIZE, "\n");
1423 
1424 	return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1425 }
1426 
1427 static ssize_t
1428 qla2x00_vn_port_mac_address_show(struct device *dev,
1429     struct device_attribute *attr, char *buf)
1430 {
1431 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1432 
1433 	if (!IS_CNA_CAPABLE(vha->hw))
1434 		return scnprintf(buf, PAGE_SIZE, "\n");
1435 
1436 	return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
1437 }
1438 
1439 static ssize_t
1440 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1441     char *buf)
1442 {
1443 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1444 
1445 	return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1446 }
1447 
1448 static ssize_t
1449 qla2x00_thermal_temp_show(struct device *dev,
1450 	struct device_attribute *attr, char *buf)
1451 {
1452 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1453 	uint16_t temp = 0;
1454 	int rc;
1455 
1456 	mutex_lock(&vha->hw->optrom_mutex);
1457 	if (qla2x00_chip_is_down(vha)) {
1458 		mutex_unlock(&vha->hw->optrom_mutex);
1459 		ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1460 		goto done;
1461 	}
1462 
1463 	if (vha->hw->flags.eeh_busy) {
1464 		mutex_unlock(&vha->hw->optrom_mutex);
1465 		ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1466 		goto done;
1467 	}
1468 
1469 	rc = qla2x00_get_thermal_temp(vha, &temp);
1470 	mutex_unlock(&vha->hw->optrom_mutex);
1471 	if (rc == QLA_SUCCESS)
1472 		return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
1473 
1474 done:
1475 	return scnprintf(buf, PAGE_SIZE, "\n");
1476 }
1477 
1478 static ssize_t
1479 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1480     char *buf)
1481 {
1482 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1483 	int rval = QLA_FUNCTION_FAILED;
1484 	uint16_t state[6];
1485 	uint32_t pstate;
1486 
1487 	if (IS_QLAFX00(vha->hw)) {
1488 		pstate = qlafx00_fw_state_show(dev, attr, buf);
1489 		return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1490 	}
1491 
1492 	mutex_lock(&vha->hw->optrom_mutex);
1493 	if (qla2x00_chip_is_down(vha)) {
1494 		mutex_unlock(&vha->hw->optrom_mutex);
1495 		ql_log(ql_log_warn, vha, 0x707c,
1496 		    "ISP reset active.\n");
1497 		goto out;
1498 	} else if (vha->hw->flags.eeh_busy) {
1499 		mutex_unlock(&vha->hw->optrom_mutex);
1500 		goto out;
1501 	}
1502 
1503 	rval = qla2x00_get_firmware_state(vha, state);
1504 	mutex_unlock(&vha->hw->optrom_mutex);
1505 out:
1506 	if (rval != QLA_SUCCESS) {
1507 		memset(state, -1, sizeof(state));
1508 		rval = qla2x00_get_firmware_state(vha, state);
1509 	}
1510 
1511 	return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1512 	    state[0], state[1], state[2], state[3], state[4], state[5]);
1513 }
1514 
1515 static ssize_t
1516 qla2x00_diag_requests_show(struct device *dev,
1517 	struct device_attribute *attr, char *buf)
1518 {
1519 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1520 
1521 	if (!IS_BIDI_CAPABLE(vha->hw))
1522 		return scnprintf(buf, PAGE_SIZE, "\n");
1523 
1524 	return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1525 }
1526 
1527 static ssize_t
1528 qla2x00_diag_megabytes_show(struct device *dev,
1529 	struct device_attribute *attr, char *buf)
1530 {
1531 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1532 
1533 	if (!IS_BIDI_CAPABLE(vha->hw))
1534 		return scnprintf(buf, PAGE_SIZE, "\n");
1535 
1536 	return scnprintf(buf, PAGE_SIZE, "%llu\n",
1537 	    vha->bidi_stats.transfer_bytes >> 20);
1538 }
1539 
1540 static ssize_t
1541 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1542 	char *buf)
1543 {
1544 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1545 	struct qla_hw_data *ha = vha->hw;
1546 	uint32_t size;
1547 
1548 	if (!ha->fw_dumped)
1549 		size = 0;
1550 	else if (IS_P3P_TYPE(ha))
1551 		size = ha->md_template_size + ha->md_dump_size;
1552 	else
1553 		size = ha->fw_dump_len;
1554 
1555 	return scnprintf(buf, PAGE_SIZE, "%d\n", size);
1556 }
1557 
1558 static ssize_t
1559 qla2x00_allow_cna_fw_dump_show(struct device *dev,
1560 	struct device_attribute *attr, char *buf)
1561 {
1562 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1563 
1564 	if (!IS_P3P_TYPE(vha->hw))
1565 		return scnprintf(buf, PAGE_SIZE, "\n");
1566 	else
1567 		return scnprintf(buf, PAGE_SIZE, "%s\n",
1568 		    vha->hw->allow_cna_fw_dump ? "true" : "false");
1569 }
1570 
1571 static ssize_t
1572 qla2x00_allow_cna_fw_dump_store(struct device *dev,
1573 	struct device_attribute *attr, const char *buf, size_t count)
1574 {
1575 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1576 	int val = 0;
1577 
1578 	if (!IS_P3P_TYPE(vha->hw))
1579 		return -EINVAL;
1580 
1581 	if (sscanf(buf, "%d", &val) != 1)
1582 		return -EINVAL;
1583 
1584 	vha->hw->allow_cna_fw_dump = val != 0;
1585 
1586 	return strlen(buf);
1587 }
1588 
1589 static ssize_t
1590 qla2x00_pep_version_show(struct device *dev, struct device_attribute *attr,
1591 	char *buf)
1592 {
1593 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1594 	struct qla_hw_data *ha = vha->hw;
1595 
1596 	if (!IS_QLA27XX(ha))
1597 		return scnprintf(buf, PAGE_SIZE, "\n");
1598 
1599 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1600 	    ha->pep_version[0], ha->pep_version[1], ha->pep_version[2]);
1601 }
1602 
1603 static ssize_t
1604 qla2x00_min_link_speed_show(struct device *dev, struct device_attribute *attr,
1605     char *buf)
1606 {
1607 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1608 	struct qla_hw_data *ha = vha->hw;
1609 
1610 	if (!IS_QLA27XX(ha))
1611 		return scnprintf(buf, PAGE_SIZE, "\n");
1612 
1613 	return scnprintf(buf, PAGE_SIZE, "%s\n",
1614 	    ha->min_link_speed == 5 ? "32Gps" :
1615 	    ha->min_link_speed == 4 ? "16Gps" :
1616 	    ha->min_link_speed == 3 ? "8Gps" :
1617 	    ha->min_link_speed == 2 ? "4Gps" :
1618 	    ha->min_link_speed != 0 ? "unknown" : "");
1619 }
1620 
1621 static ssize_t
1622 qla2x00_max_speed_sup_show(struct device *dev, struct device_attribute *attr,
1623     char *buf)
1624 {
1625 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1626 	struct qla_hw_data *ha = vha->hw;
1627 
1628 	if (!IS_QLA27XX(ha))
1629 		return scnprintf(buf, PAGE_SIZE, "\n");
1630 
1631 	return scnprintf(buf, PAGE_SIZE, "%s\n",
1632 	    ha->max_speed_sup ? "32Gps" : "16Gps");
1633 }
1634 
1635 /* ----- */
1636 
1637 static ssize_t
1638 qlini_mode_show(struct device *dev, struct device_attribute *attr, char *buf)
1639 {
1640 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1641 	int len = 0;
1642 
1643 	len += scnprintf(buf + len, PAGE_SIZE-len,
1644 	    "Supported options: enabled | disabled | dual | exclusive\n");
1645 
1646 	/* --- */
1647 	len += scnprintf(buf + len, PAGE_SIZE-len, "Current selection: ");
1648 
1649 	switch (vha->qlini_mode) {
1650 	case QLA2XXX_INI_MODE_EXCLUSIVE:
1651 		len += scnprintf(buf + len, PAGE_SIZE-len,
1652 		    QLA2XXX_INI_MODE_STR_EXCLUSIVE);
1653 		break;
1654 	case QLA2XXX_INI_MODE_DISABLED:
1655 		len += scnprintf(buf + len, PAGE_SIZE-len,
1656 		    QLA2XXX_INI_MODE_STR_DISABLED);
1657 		break;
1658 	case QLA2XXX_INI_MODE_ENABLED:
1659 		len += scnprintf(buf + len, PAGE_SIZE-len,
1660 		    QLA2XXX_INI_MODE_STR_ENABLED);
1661 		break;
1662 	case QLA2XXX_INI_MODE_DUAL:
1663 		len += scnprintf(buf + len, PAGE_SIZE-len,
1664 		    QLA2XXX_INI_MODE_STR_DUAL);
1665 		break;
1666 	}
1667 	len += scnprintf(buf + len, PAGE_SIZE-len, "\n");
1668 
1669 	return len;
1670 }
1671 
1672 static char *mode_to_str[] = {
1673 	"exclusive",
1674 	"disabled",
1675 	"enabled",
1676 	"dual",
1677 };
1678 
1679 #define NEED_EXCH_OFFLOAD(_exchg) ((_exchg) > FW_DEF_EXCHANGES_CNT)
1680 static int qla_set_ini_mode(scsi_qla_host_t *vha, int op)
1681 {
1682 	int rc = 0;
1683 	enum {
1684 		NO_ACTION,
1685 		MODE_CHANGE_ACCEPT,
1686 		MODE_CHANGE_NO_ACTION,
1687 		TARGET_STILL_ACTIVE,
1688 	};
1689 	int action = NO_ACTION;
1690 	int set_mode = 0;
1691 	u8  eo_toggle = 0;	/* exchange offload flipped */
1692 
1693 	switch (vha->qlini_mode) {
1694 	case QLA2XXX_INI_MODE_DISABLED:
1695 		switch (op) {
1696 		case QLA2XXX_INI_MODE_DISABLED:
1697 			if (qla_tgt_mode_enabled(vha)) {
1698 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1699 				    vha->hw->flags.exchoffld_enabled)
1700 					eo_toggle = 1;
1701 				if (((vha->ql2xexchoffld !=
1702 				    vha->u_ql2xexchoffld) &&
1703 				    NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1704 				    eo_toggle) {
1705 					/*
1706 					 * The number of exchange to be offload
1707 					 * was tweaked or offload option was
1708 					 * flipped
1709 					 */
1710 					action = MODE_CHANGE_ACCEPT;
1711 				} else {
1712 					action = MODE_CHANGE_NO_ACTION;
1713 				}
1714 			} else {
1715 				action = MODE_CHANGE_NO_ACTION;
1716 			}
1717 			break;
1718 		case QLA2XXX_INI_MODE_EXCLUSIVE:
1719 			if (qla_tgt_mode_enabled(vha)) {
1720 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1721 				    vha->hw->flags.exchoffld_enabled)
1722 					eo_toggle = 1;
1723 				if (((vha->ql2xexchoffld !=
1724 				    vha->u_ql2xexchoffld) &&
1725 				    NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1726 				    eo_toggle) {
1727 					/*
1728 					 * The number of exchange to be offload
1729 					 * was tweaked or offload option was
1730 					 * flipped
1731 					 */
1732 					action = MODE_CHANGE_ACCEPT;
1733 				} else {
1734 					action = MODE_CHANGE_NO_ACTION;
1735 				}
1736 			} else {
1737 				action = MODE_CHANGE_ACCEPT;
1738 			}
1739 			break;
1740 		case QLA2XXX_INI_MODE_DUAL:
1741 			action = MODE_CHANGE_ACCEPT;
1742 			/* active_mode is target only, reset it to dual */
1743 			if (qla_tgt_mode_enabled(vha)) {
1744 				set_mode = 1;
1745 				action = MODE_CHANGE_ACCEPT;
1746 			} else {
1747 				action = MODE_CHANGE_NO_ACTION;
1748 			}
1749 			break;
1750 
1751 		case QLA2XXX_INI_MODE_ENABLED:
1752 			if (qla_tgt_mode_enabled(vha))
1753 				action = TARGET_STILL_ACTIVE;
1754 			else {
1755 				action = MODE_CHANGE_ACCEPT;
1756 				set_mode = 1;
1757 			}
1758 			break;
1759 		}
1760 		break;
1761 
1762 	case QLA2XXX_INI_MODE_EXCLUSIVE:
1763 		switch (op) {
1764 		case QLA2XXX_INI_MODE_EXCLUSIVE:
1765 			if (qla_tgt_mode_enabled(vha)) {
1766 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1767 				    vha->hw->flags.exchoffld_enabled)
1768 					eo_toggle = 1;
1769 				if (((vha->ql2xexchoffld !=
1770 				    vha->u_ql2xexchoffld) &&
1771 				    NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1772 				    eo_toggle)
1773 					/*
1774 					 * The number of exchange to be offload
1775 					 * was tweaked or offload option was
1776 					 * flipped
1777 					 */
1778 					action = MODE_CHANGE_ACCEPT;
1779 				else
1780 					action = NO_ACTION;
1781 			} else
1782 				action = NO_ACTION;
1783 
1784 			break;
1785 
1786 		case QLA2XXX_INI_MODE_DISABLED:
1787 			if (qla_tgt_mode_enabled(vha)) {
1788 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1789 				    vha->hw->flags.exchoffld_enabled)
1790 					eo_toggle = 1;
1791 				if (((vha->ql2xexchoffld !=
1792 				      vha->u_ql2xexchoffld) &&
1793 				    NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1794 				    eo_toggle)
1795 					action = MODE_CHANGE_ACCEPT;
1796 				else
1797 					action = MODE_CHANGE_NO_ACTION;
1798 			} else
1799 				action = MODE_CHANGE_NO_ACTION;
1800 			break;
1801 
1802 		case QLA2XXX_INI_MODE_DUAL: /* exclusive -> dual */
1803 			if (qla_tgt_mode_enabled(vha)) {
1804 				action = MODE_CHANGE_ACCEPT;
1805 				set_mode = 1;
1806 			} else
1807 				action = MODE_CHANGE_ACCEPT;
1808 			break;
1809 
1810 		case QLA2XXX_INI_MODE_ENABLED:
1811 			if (qla_tgt_mode_enabled(vha))
1812 				action = TARGET_STILL_ACTIVE;
1813 			else {
1814 				if (vha->hw->flags.fw_started)
1815 					action = MODE_CHANGE_NO_ACTION;
1816 				else
1817 					action = MODE_CHANGE_ACCEPT;
1818 			}
1819 			break;
1820 		}
1821 		break;
1822 
1823 	case QLA2XXX_INI_MODE_ENABLED:
1824 		switch (op) {
1825 		case QLA2XXX_INI_MODE_ENABLED:
1826 			if (NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg) !=
1827 			    vha->hw->flags.exchoffld_enabled)
1828 				eo_toggle = 1;
1829 			if (((vha->ql2xiniexchg != vha->u_ql2xiniexchg) &&
1830 				NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg)) ||
1831 			    eo_toggle)
1832 				action = MODE_CHANGE_ACCEPT;
1833 			else
1834 				action = NO_ACTION;
1835 			break;
1836 		case QLA2XXX_INI_MODE_DUAL:
1837 		case QLA2XXX_INI_MODE_DISABLED:
1838 			action = MODE_CHANGE_ACCEPT;
1839 			break;
1840 		default:
1841 			action = MODE_CHANGE_NO_ACTION;
1842 			break;
1843 		}
1844 		break;
1845 
1846 	case QLA2XXX_INI_MODE_DUAL:
1847 		switch (op) {
1848 		case QLA2XXX_INI_MODE_DUAL:
1849 			if (qla_tgt_mode_enabled(vha) ||
1850 			    qla_dual_mode_enabled(vha)) {
1851 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld +
1852 					vha->u_ql2xiniexchg) !=
1853 				    vha->hw->flags.exchoffld_enabled)
1854 					eo_toggle = 1;
1855 
1856 				if ((((vha->ql2xexchoffld +
1857 				       vha->ql2xiniexchg) !=
1858 				    (vha->u_ql2xiniexchg +
1859 				     vha->u_ql2xexchoffld)) &&
1860 				    NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg +
1861 					vha->u_ql2xexchoffld)) || eo_toggle)
1862 					action = MODE_CHANGE_ACCEPT;
1863 				else
1864 					action = NO_ACTION;
1865 			} else {
1866 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld +
1867 					vha->u_ql2xiniexchg) !=
1868 				    vha->hw->flags.exchoffld_enabled)
1869 					eo_toggle = 1;
1870 
1871 				if ((((vha->ql2xexchoffld + vha->ql2xiniexchg)
1872 				    != (vha->u_ql2xiniexchg +
1873 					vha->u_ql2xexchoffld)) &&
1874 				    NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg +
1875 					vha->u_ql2xexchoffld)) || eo_toggle)
1876 					action = MODE_CHANGE_NO_ACTION;
1877 				else
1878 					action = NO_ACTION;
1879 			}
1880 			break;
1881 
1882 		case QLA2XXX_INI_MODE_DISABLED:
1883 			if (qla_tgt_mode_enabled(vha) ||
1884 			    qla_dual_mode_enabled(vha)) {
1885 				/* turning off initiator mode */
1886 				set_mode = 1;
1887 				action = MODE_CHANGE_ACCEPT;
1888 			} else {
1889 				action = MODE_CHANGE_NO_ACTION;
1890 			}
1891 			break;
1892 
1893 		case QLA2XXX_INI_MODE_EXCLUSIVE:
1894 			if (qla_tgt_mode_enabled(vha) ||
1895 			    qla_dual_mode_enabled(vha)) {
1896 				set_mode = 1;
1897 				action = MODE_CHANGE_ACCEPT;
1898 			} else {
1899 				action = MODE_CHANGE_ACCEPT;
1900 			}
1901 			break;
1902 
1903 		case QLA2XXX_INI_MODE_ENABLED:
1904 			if (qla_tgt_mode_enabled(vha) ||
1905 			    qla_dual_mode_enabled(vha)) {
1906 				action = TARGET_STILL_ACTIVE;
1907 			} else {
1908 				action = MODE_CHANGE_ACCEPT;
1909 			}
1910 		}
1911 		break;
1912 	}
1913 
1914 	switch (action) {
1915 	case MODE_CHANGE_ACCEPT:
1916 		ql_log(ql_log_warn, vha, 0xffff,
1917 		    "Mode change accepted. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n",
1918 		    mode_to_str[vha->qlini_mode], mode_to_str[op],
1919 		    vha->ql2xexchoffld, vha->u_ql2xexchoffld,
1920 		    vha->ql2xiniexchg, vha->u_ql2xiniexchg);
1921 
1922 		vha->qlini_mode = op;
1923 		vha->ql2xexchoffld = vha->u_ql2xexchoffld;
1924 		vha->ql2xiniexchg = vha->u_ql2xiniexchg;
1925 		if (set_mode)
1926 			qlt_set_mode(vha);
1927 		vha->flags.online = 1;
1928 		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1929 		break;
1930 
1931 	case MODE_CHANGE_NO_ACTION:
1932 		ql_log(ql_log_warn, vha, 0xffff,
1933 		    "Mode is set. No action taken. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n",
1934 		    mode_to_str[vha->qlini_mode], mode_to_str[op],
1935 		    vha->ql2xexchoffld, vha->u_ql2xexchoffld,
1936 		    vha->ql2xiniexchg, vha->u_ql2xiniexchg);
1937 		vha->qlini_mode = op;
1938 		vha->ql2xexchoffld = vha->u_ql2xexchoffld;
1939 		vha->ql2xiniexchg = vha->u_ql2xiniexchg;
1940 		break;
1941 
1942 	case TARGET_STILL_ACTIVE:
1943 		ql_log(ql_log_warn, vha, 0xffff,
1944 		    "Target Mode is active. Unable to change Mode.\n");
1945 		break;
1946 
1947 	case NO_ACTION:
1948 	default:
1949 		ql_log(ql_log_warn, vha, 0xffff,
1950 		    "Mode unchange. No action taken. %d|%d pct %d|%d.\n",
1951 		    vha->qlini_mode, op,
1952 		    vha->ql2xexchoffld, vha->u_ql2xexchoffld);
1953 		break;
1954 	}
1955 
1956 	return rc;
1957 }
1958 
1959 static ssize_t
1960 qlini_mode_store(struct device *dev, struct device_attribute *attr,
1961     const char *buf, size_t count)
1962 {
1963 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1964 	int ini;
1965 
1966 	if (!buf)
1967 		return -EINVAL;
1968 
1969 	if (strncasecmp(QLA2XXX_INI_MODE_STR_EXCLUSIVE, buf,
1970 		strlen(QLA2XXX_INI_MODE_STR_EXCLUSIVE)) == 0)
1971 		ini = QLA2XXX_INI_MODE_EXCLUSIVE;
1972 	else if (strncasecmp(QLA2XXX_INI_MODE_STR_DISABLED, buf,
1973 		strlen(QLA2XXX_INI_MODE_STR_DISABLED)) == 0)
1974 		ini = QLA2XXX_INI_MODE_DISABLED;
1975 	else if (strncasecmp(QLA2XXX_INI_MODE_STR_ENABLED, buf,
1976 		  strlen(QLA2XXX_INI_MODE_STR_ENABLED)) == 0)
1977 		ini = QLA2XXX_INI_MODE_ENABLED;
1978 	else if (strncasecmp(QLA2XXX_INI_MODE_STR_DUAL, buf,
1979 		strlen(QLA2XXX_INI_MODE_STR_DUAL)) == 0)
1980 		ini = QLA2XXX_INI_MODE_DUAL;
1981 	else
1982 		return -EINVAL;
1983 
1984 	qla_set_ini_mode(vha, ini);
1985 	return strlen(buf);
1986 }
1987 
1988 static ssize_t
1989 ql2xexchoffld_show(struct device *dev, struct device_attribute *attr,
1990     char *buf)
1991 {
1992 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1993 	int len = 0;
1994 
1995 	len += scnprintf(buf + len, PAGE_SIZE-len,
1996 		"target exchange: new %d : current: %d\n\n",
1997 		vha->u_ql2xexchoffld, vha->ql2xexchoffld);
1998 
1999 	len += scnprintf(buf + len, PAGE_SIZE-len,
2000 	    "Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n",
2001 	    vha->host_no);
2002 
2003 	return len;
2004 }
2005 
2006 static ssize_t
2007 ql2xexchoffld_store(struct device *dev, struct device_attribute *attr,
2008     const char *buf, size_t count)
2009 {
2010 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2011 	int val = 0;
2012 
2013 	if (sscanf(buf, "%d", &val) != 1)
2014 		return -EINVAL;
2015 
2016 	if (val > FW_MAX_EXCHANGES_CNT)
2017 		val = FW_MAX_EXCHANGES_CNT;
2018 	else if (val < 0)
2019 		val = 0;
2020 
2021 	vha->u_ql2xexchoffld = val;
2022 	return strlen(buf);
2023 }
2024 
2025 static ssize_t
2026 ql2xiniexchg_show(struct device *dev, struct device_attribute *attr,
2027     char *buf)
2028 {
2029 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2030 	int len = 0;
2031 
2032 	len += scnprintf(buf + len, PAGE_SIZE-len,
2033 		"target exchange: new %d : current: %d\n\n",
2034 		vha->u_ql2xiniexchg, vha->ql2xiniexchg);
2035 
2036 	len += scnprintf(buf + len, PAGE_SIZE-len,
2037 	    "Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n",
2038 	    vha->host_no);
2039 
2040 	return len;
2041 }
2042 
2043 static ssize_t
2044 ql2xiniexchg_store(struct device *dev, struct device_attribute *attr,
2045     const char *buf, size_t count)
2046 {
2047 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2048 	int val = 0;
2049 
2050 	if (sscanf(buf, "%d", &val) != 1)
2051 		return -EINVAL;
2052 
2053 	if (val > FW_MAX_EXCHANGES_CNT)
2054 		val = FW_MAX_EXCHANGES_CNT;
2055 	else if (val < 0)
2056 		val = 0;
2057 
2058 	vha->u_ql2xiniexchg = val;
2059 	return strlen(buf);
2060 }
2061 
2062 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
2063 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
2064 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
2065 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
2066 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
2067 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
2068 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
2069 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
2070 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
2071 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
2072 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
2073 		   qla2x00_zio_timer_store);
2074 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
2075 		   qla2x00_beacon_store);
2076 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
2077 		   qla2x00_optrom_bios_version_show, NULL);
2078 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
2079 		   qla2x00_optrom_efi_version_show, NULL);
2080 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
2081 		   qla2x00_optrom_fcode_version_show, NULL);
2082 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
2083 		   NULL);
2084 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
2085     qla2x00_optrom_gold_fw_version_show, NULL);
2086 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
2087 		   NULL);
2088 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
2089 		   NULL);
2090 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
2091 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
2092 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
2093 		   NULL);
2094 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
2095 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
2096 		   qla2x00_vn_port_mac_address_show, NULL);
2097 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
2098 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
2099 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
2100 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
2101 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
2102 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
2103 static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR,
2104 		   qla2x00_allow_cna_fw_dump_show,
2105 		   qla2x00_allow_cna_fw_dump_store);
2106 static DEVICE_ATTR(pep_version, S_IRUGO, qla2x00_pep_version_show, NULL);
2107 static DEVICE_ATTR(min_link_speed, S_IRUGO, qla2x00_min_link_speed_show, NULL);
2108 static DEVICE_ATTR(max_speed_sup, S_IRUGO, qla2x00_max_speed_sup_show, NULL);
2109 static DEVICE_ATTR(zio_threshold, 0644,
2110     qla_zio_threshold_show,
2111     qla_zio_threshold_store);
2112 static DEVICE_ATTR_RW(qlini_mode);
2113 static DEVICE_ATTR_RW(ql2xexchoffld);
2114 static DEVICE_ATTR_RW(ql2xiniexchg);
2115 
2116 
2117 struct device_attribute *qla2x00_host_attrs[] = {
2118 	&dev_attr_driver_version,
2119 	&dev_attr_fw_version,
2120 	&dev_attr_serial_num,
2121 	&dev_attr_isp_name,
2122 	&dev_attr_isp_id,
2123 	&dev_attr_model_name,
2124 	&dev_attr_model_desc,
2125 	&dev_attr_pci_info,
2126 	&dev_attr_link_state,
2127 	&dev_attr_zio,
2128 	&dev_attr_zio_timer,
2129 	&dev_attr_beacon,
2130 	&dev_attr_optrom_bios_version,
2131 	&dev_attr_optrom_efi_version,
2132 	&dev_attr_optrom_fcode_version,
2133 	&dev_attr_optrom_fw_version,
2134 	&dev_attr_84xx_fw_version,
2135 	&dev_attr_total_isp_aborts,
2136 	&dev_attr_mpi_version,
2137 	&dev_attr_phy_version,
2138 	&dev_attr_flash_block_size,
2139 	&dev_attr_vlan_id,
2140 	&dev_attr_vn_port_mac_address,
2141 	&dev_attr_fabric_param,
2142 	&dev_attr_fw_state,
2143 	&dev_attr_optrom_gold_fw_version,
2144 	&dev_attr_thermal_temp,
2145 	&dev_attr_diag_requests,
2146 	&dev_attr_diag_megabytes,
2147 	&dev_attr_fw_dump_size,
2148 	&dev_attr_allow_cna_fw_dump,
2149 	&dev_attr_pep_version,
2150 	&dev_attr_min_link_speed,
2151 	&dev_attr_max_speed_sup,
2152 	&dev_attr_zio_threshold,
2153 	NULL, /* reserve for qlini_mode */
2154 	NULL, /* reserve for ql2xiniexchg */
2155 	NULL, /* reserve for ql2xexchoffld */
2156 	NULL,
2157 };
2158 
2159 void qla_insert_tgt_attrs(void)
2160 {
2161 	struct device_attribute **attr;
2162 
2163 	/* advance to empty slot */
2164 	for (attr = &qla2x00_host_attrs[0]; *attr; ++attr)
2165 		continue;
2166 
2167 	*attr = &dev_attr_qlini_mode;
2168 	attr++;
2169 	*attr = &dev_attr_ql2xiniexchg;
2170 	attr++;
2171 	*attr = &dev_attr_ql2xexchoffld;
2172 }
2173 
2174 /* Host attributes. */
2175 
2176 static void
2177 qla2x00_get_host_port_id(struct Scsi_Host *shost)
2178 {
2179 	scsi_qla_host_t *vha = shost_priv(shost);
2180 
2181 	fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
2182 	    vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
2183 }
2184 
2185 static void
2186 qla2x00_get_host_speed(struct Scsi_Host *shost)
2187 {
2188 	struct qla_hw_data *ha = ((struct scsi_qla_host *)
2189 					(shost_priv(shost)))->hw;
2190 	u32 speed = FC_PORTSPEED_UNKNOWN;
2191 
2192 	if (IS_QLAFX00(ha)) {
2193 		qlafx00_get_host_speed(shost);
2194 		return;
2195 	}
2196 
2197 	switch (ha->link_data_rate) {
2198 	case PORT_SPEED_1GB:
2199 		speed = FC_PORTSPEED_1GBIT;
2200 		break;
2201 	case PORT_SPEED_2GB:
2202 		speed = FC_PORTSPEED_2GBIT;
2203 		break;
2204 	case PORT_SPEED_4GB:
2205 		speed = FC_PORTSPEED_4GBIT;
2206 		break;
2207 	case PORT_SPEED_8GB:
2208 		speed = FC_PORTSPEED_8GBIT;
2209 		break;
2210 	case PORT_SPEED_10GB:
2211 		speed = FC_PORTSPEED_10GBIT;
2212 		break;
2213 	case PORT_SPEED_16GB:
2214 		speed = FC_PORTSPEED_16GBIT;
2215 		break;
2216 	case PORT_SPEED_32GB:
2217 		speed = FC_PORTSPEED_32GBIT;
2218 		break;
2219 	}
2220 	fc_host_speed(shost) = speed;
2221 }
2222 
2223 static void
2224 qla2x00_get_host_port_type(struct Scsi_Host *shost)
2225 {
2226 	scsi_qla_host_t *vha = shost_priv(shost);
2227 	uint32_t port_type = FC_PORTTYPE_UNKNOWN;
2228 
2229 	if (vha->vp_idx) {
2230 		fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
2231 		return;
2232 	}
2233 	switch (vha->hw->current_topology) {
2234 	case ISP_CFG_NL:
2235 		port_type = FC_PORTTYPE_LPORT;
2236 		break;
2237 	case ISP_CFG_FL:
2238 		port_type = FC_PORTTYPE_NLPORT;
2239 		break;
2240 	case ISP_CFG_N:
2241 		port_type = FC_PORTTYPE_PTP;
2242 		break;
2243 	case ISP_CFG_F:
2244 		port_type = FC_PORTTYPE_NPORT;
2245 		break;
2246 	}
2247 	fc_host_port_type(shost) = port_type;
2248 }
2249 
2250 static void
2251 qla2x00_get_starget_node_name(struct scsi_target *starget)
2252 {
2253 	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2254 	scsi_qla_host_t *vha = shost_priv(host);
2255 	fc_port_t *fcport;
2256 	u64 node_name = 0;
2257 
2258 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
2259 		if (fcport->rport &&
2260 		    starget->id == fcport->rport->scsi_target_id) {
2261 			node_name = wwn_to_u64(fcport->node_name);
2262 			break;
2263 		}
2264 	}
2265 
2266 	fc_starget_node_name(starget) = node_name;
2267 }
2268 
2269 static void
2270 qla2x00_get_starget_port_name(struct scsi_target *starget)
2271 {
2272 	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2273 	scsi_qla_host_t *vha = shost_priv(host);
2274 	fc_port_t *fcport;
2275 	u64 port_name = 0;
2276 
2277 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
2278 		if (fcport->rport &&
2279 		    starget->id == fcport->rport->scsi_target_id) {
2280 			port_name = wwn_to_u64(fcport->port_name);
2281 			break;
2282 		}
2283 	}
2284 
2285 	fc_starget_port_name(starget) = port_name;
2286 }
2287 
2288 static void
2289 qla2x00_get_starget_port_id(struct scsi_target *starget)
2290 {
2291 	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2292 	scsi_qla_host_t *vha = shost_priv(host);
2293 	fc_port_t *fcport;
2294 	uint32_t port_id = ~0U;
2295 
2296 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
2297 		if (fcport->rport &&
2298 		    starget->id == fcport->rport->scsi_target_id) {
2299 			port_id = fcport->d_id.b.domain << 16 |
2300 			    fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2301 			break;
2302 		}
2303 	}
2304 
2305 	fc_starget_port_id(starget) = port_id;
2306 }
2307 
2308 static void
2309 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
2310 {
2311 	if (timeout)
2312 		rport->dev_loss_tmo = timeout;
2313 	else
2314 		rport->dev_loss_tmo = 1;
2315 }
2316 
2317 static void
2318 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
2319 {
2320 	struct Scsi_Host *host = rport_to_shost(rport);
2321 	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2322 	unsigned long flags;
2323 
2324 	if (!fcport)
2325 		return;
2326 
2327 	/* Now that the rport has been deleted, set the fcport state to
2328 	   FCS_DEVICE_DEAD */
2329 	qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
2330 
2331 	/*
2332 	 * Transport has effectively 'deleted' the rport, clear
2333 	 * all local references.
2334 	 */
2335 	spin_lock_irqsave(host->host_lock, flags);
2336 	fcport->rport = fcport->drport = NULL;
2337 	*((fc_port_t **)rport->dd_data) = NULL;
2338 	spin_unlock_irqrestore(host->host_lock, flags);
2339 
2340 	if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
2341 		return;
2342 
2343 	if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
2344 		qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
2345 		return;
2346 	}
2347 }
2348 
2349 static void
2350 qla2x00_terminate_rport_io(struct fc_rport *rport)
2351 {
2352 	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2353 
2354 	if (!fcport)
2355 		return;
2356 
2357 	if (test_bit(UNLOADING, &fcport->vha->dpc_flags))
2358 		return;
2359 
2360 	if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
2361 		return;
2362 
2363 	if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
2364 		qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
2365 		return;
2366 	}
2367 	/*
2368 	 * At this point all fcport's software-states are cleared.  Perform any
2369 	 * final cleanup of firmware resources (PCBs and XCBs).
2370 	 */
2371 	if (fcport->loop_id != FC_NO_LOOP_ID) {
2372 		if (IS_FWI2_CAPABLE(fcport->vha->hw))
2373 			fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
2374 			    fcport->loop_id, fcport->d_id.b.domain,
2375 			    fcport->d_id.b.area, fcport->d_id.b.al_pa);
2376 		else
2377 			qla2x00_port_logout(fcport->vha, fcport);
2378 	}
2379 }
2380 
2381 static int
2382 qla2x00_issue_lip(struct Scsi_Host *shost)
2383 {
2384 	scsi_qla_host_t *vha = shost_priv(shost);
2385 
2386 	if (IS_QLAFX00(vha->hw))
2387 		return 0;
2388 
2389 	qla2x00_loop_reset(vha);
2390 	return 0;
2391 }
2392 
2393 static struct fc_host_statistics *
2394 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
2395 {
2396 	scsi_qla_host_t *vha = shost_priv(shost);
2397 	struct qla_hw_data *ha = vha->hw;
2398 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2399 	int rval;
2400 	struct link_statistics *stats;
2401 	dma_addr_t stats_dma;
2402 	struct fc_host_statistics *p = &vha->fc_host_stat;
2403 
2404 	memset(p, -1, sizeof(*p));
2405 
2406 	if (IS_QLAFX00(vha->hw))
2407 		goto done;
2408 
2409 	if (test_bit(UNLOADING, &vha->dpc_flags))
2410 		goto done;
2411 
2412 	if (unlikely(pci_channel_offline(ha->pdev)))
2413 		goto done;
2414 
2415 	if (qla2x00_chip_is_down(vha))
2416 		goto done;
2417 
2418 	stats = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stats), &stats_dma,
2419 				   GFP_KERNEL);
2420 	if (!stats) {
2421 		ql_log(ql_log_warn, vha, 0x707d,
2422 		    "Failed to allocate memory for stats.\n");
2423 		goto done;
2424 	}
2425 
2426 	rval = QLA_FUNCTION_FAILED;
2427 	if (IS_FWI2_CAPABLE(ha)) {
2428 		rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, 0);
2429 	} else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
2430 	    !ha->dpc_active) {
2431 		/* Must be in a 'READY' state for statistics retrieval. */
2432 		rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
2433 						stats, stats_dma);
2434 	}
2435 
2436 	if (rval != QLA_SUCCESS)
2437 		goto done_free;
2438 
2439 	p->link_failure_count = stats->link_fail_cnt;
2440 	p->loss_of_sync_count = stats->loss_sync_cnt;
2441 	p->loss_of_signal_count = stats->loss_sig_cnt;
2442 	p->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
2443 	p->invalid_tx_word_count = stats->inval_xmit_word_cnt;
2444 	p->invalid_crc_count = stats->inval_crc_cnt;
2445 	if (IS_FWI2_CAPABLE(ha)) {
2446 		p->lip_count = stats->lip_cnt;
2447 		p->tx_frames = stats->tx_frames;
2448 		p->rx_frames = stats->rx_frames;
2449 		p->dumped_frames = stats->discarded_frames;
2450 		p->nos_count = stats->nos_rcvd;
2451 		p->error_frames =
2452 			stats->dropped_frames + stats->discarded_frames;
2453 		p->rx_words = vha->qla_stats.input_bytes;
2454 		p->tx_words = vha->qla_stats.output_bytes;
2455 	}
2456 	p->fcp_control_requests = vha->qla_stats.control_requests;
2457 	p->fcp_input_requests = vha->qla_stats.input_requests;
2458 	p->fcp_output_requests = vha->qla_stats.output_requests;
2459 	p->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
2460 	p->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
2461 	p->seconds_since_last_reset =
2462 		get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
2463 	do_div(p->seconds_since_last_reset, HZ);
2464 
2465 done_free:
2466 	dma_free_coherent(&ha->pdev->dev, sizeof(struct link_statistics),
2467 	    stats, stats_dma);
2468 done:
2469 	return p;
2470 }
2471 
2472 static void
2473 qla2x00_reset_host_stats(struct Scsi_Host *shost)
2474 {
2475 	scsi_qla_host_t *vha = shost_priv(shost);
2476 	struct qla_hw_data *ha = vha->hw;
2477 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2478 	struct link_statistics *stats;
2479 	dma_addr_t stats_dma;
2480 
2481 	memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2482 	memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2483 
2484 	vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2485 
2486 	if (IS_FWI2_CAPABLE(ha)) {
2487 		stats = dma_alloc_coherent(&ha->pdev->dev,
2488 		    sizeof(*stats), &stats_dma, GFP_KERNEL);
2489 		if (!stats) {
2490 			ql_log(ql_log_warn, vha, 0x70d7,
2491 			    "Failed to allocate memory for stats.\n");
2492 			return;
2493 		}
2494 
2495 		/* reset firmware statistics */
2496 		qla24xx_get_isp_stats(base_vha, stats, stats_dma, BIT_0);
2497 
2498 		dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
2499 		    stats, stats_dma);
2500 	}
2501 }
2502 
2503 static void
2504 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
2505 {
2506 	scsi_qla_host_t *vha = shost_priv(shost);
2507 
2508 	qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost),
2509 	    sizeof(fc_host_symbolic_name(shost)));
2510 }
2511 
2512 static void
2513 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
2514 {
2515 	scsi_qla_host_t *vha = shost_priv(shost);
2516 
2517 	set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
2518 }
2519 
2520 static void
2521 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
2522 {
2523 	scsi_qla_host_t *vha = shost_priv(shost);
2524 	uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
2525 		0xFF, 0xFF, 0xFF, 0xFF};
2526 	u64 fabric_name = wwn_to_u64(node_name);
2527 
2528 	if (vha->device_flags & SWITCH_FOUND)
2529 		fabric_name = wwn_to_u64(vha->fabric_node_name);
2530 
2531 	fc_host_fabric_name(shost) = fabric_name;
2532 }
2533 
2534 static void
2535 qla2x00_get_host_port_state(struct Scsi_Host *shost)
2536 {
2537 	scsi_qla_host_t *vha = shost_priv(shost);
2538 	struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
2539 
2540 	if (!base_vha->flags.online) {
2541 		fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
2542 		return;
2543 	}
2544 
2545 	switch (atomic_read(&base_vha->loop_state)) {
2546 	case LOOP_UPDATE:
2547 		fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
2548 		break;
2549 	case LOOP_DOWN:
2550 		if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
2551 			fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
2552 		else
2553 			fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
2554 		break;
2555 	case LOOP_DEAD:
2556 		fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
2557 		break;
2558 	case LOOP_READY:
2559 		fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
2560 		break;
2561 	default:
2562 		fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
2563 		break;
2564 	}
2565 }
2566 
2567 static int
2568 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
2569 {
2570 	int	ret = 0;
2571 	uint8_t	qos = 0;
2572 	scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
2573 	scsi_qla_host_t *vha = NULL;
2574 	struct qla_hw_data *ha = base_vha->hw;
2575 	int	cnt;
2576 	struct req_que *req = ha->req_q_map[0];
2577 	struct qla_qpair *qpair;
2578 
2579 	ret = qla24xx_vport_create_req_sanity_check(fc_vport);
2580 	if (ret) {
2581 		ql_log(ql_log_warn, vha, 0x707e,
2582 		    "Vport sanity check failed, status %x\n", ret);
2583 		return (ret);
2584 	}
2585 
2586 	vha = qla24xx_create_vhost(fc_vport);
2587 	if (vha == NULL) {
2588 		ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
2589 		return FC_VPORT_FAILED;
2590 	}
2591 	if (disable) {
2592 		atomic_set(&vha->vp_state, VP_OFFLINE);
2593 		fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
2594 	} else
2595 		atomic_set(&vha->vp_state, VP_FAILED);
2596 
2597 	/* ready to create vport */
2598 	ql_log(ql_log_info, vha, 0x7080,
2599 	    "VP entry id %d assigned.\n", vha->vp_idx);
2600 
2601 	/* initialized vport states */
2602 	atomic_set(&vha->loop_state, LOOP_DOWN);
2603 	vha->vp_err_state=  VP_ERR_PORTDWN;
2604 	vha->vp_prev_err_state=  VP_ERR_UNKWN;
2605 	/* Check if physical ha port is Up */
2606 	if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
2607 	    atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
2608 		/* Don't retry or attempt login of this virtual port */
2609 		ql_dbg(ql_dbg_user, vha, 0x7081,
2610 		    "Vport loop state is not UP.\n");
2611 		atomic_set(&vha->loop_state, LOOP_DEAD);
2612 		if (!disable)
2613 			fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
2614 	}
2615 
2616 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2617 		if (ha->fw_attributes & BIT_4) {
2618 			int prot = 0, guard;
2619 			vha->flags.difdix_supported = 1;
2620 			ql_dbg(ql_dbg_user, vha, 0x7082,
2621 			    "Registered for DIF/DIX type 1 and 3 protection.\n");
2622 			if (ql2xenabledif == 1)
2623 				prot = SHOST_DIX_TYPE0_PROTECTION;
2624 			scsi_host_set_prot(vha->host,
2625 			    prot | SHOST_DIF_TYPE1_PROTECTION
2626 			    | SHOST_DIF_TYPE2_PROTECTION
2627 			    | SHOST_DIF_TYPE3_PROTECTION
2628 			    | SHOST_DIX_TYPE1_PROTECTION
2629 			    | SHOST_DIX_TYPE2_PROTECTION
2630 			    | SHOST_DIX_TYPE3_PROTECTION);
2631 
2632 			guard = SHOST_DIX_GUARD_CRC;
2633 
2634 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
2635 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2636 				guard |= SHOST_DIX_GUARD_IP;
2637 
2638 			scsi_host_set_guard(vha->host, guard);
2639 		} else
2640 			vha->flags.difdix_supported = 0;
2641 	}
2642 
2643 	if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
2644 				   &ha->pdev->dev)) {
2645 		ql_dbg(ql_dbg_user, vha, 0x7083,
2646 		    "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
2647 		goto vport_create_failed_2;
2648 	}
2649 
2650 	/* initialize attributes */
2651 	fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2652 	fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2653 	fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2654 	fc_host_supported_classes(vha->host) =
2655 		fc_host_supported_classes(base_vha->host);
2656 	fc_host_supported_speeds(vha->host) =
2657 		fc_host_supported_speeds(base_vha->host);
2658 
2659 	qlt_vport_create(vha, ha);
2660 	qla24xx_vport_disable(fc_vport, disable);
2661 
2662 	if (!ql2xmqsupport || !ha->npiv_info)
2663 		goto vport_queue;
2664 
2665 	/* Create a request queue in QoS mode for the vport */
2666 	for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
2667 		if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
2668 			&& memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
2669 					8) == 0) {
2670 			qos = ha->npiv_info[cnt].q_qos;
2671 			break;
2672 		}
2673 	}
2674 
2675 	if (qos) {
2676 		qpair = qla2xxx_create_qpair(vha, qos, vha->vp_idx, true);
2677 		if (!qpair)
2678 			ql_log(ql_log_warn, vha, 0x7084,
2679 			    "Can't create qpair for VP[%d]\n",
2680 			    vha->vp_idx);
2681 		else {
2682 			ql_dbg(ql_dbg_multiq, vha, 0xc001,
2683 			    "Queue pair: %d Qos: %d) created for VP[%d]\n",
2684 			    qpair->id, qos, vha->vp_idx);
2685 			ql_dbg(ql_dbg_user, vha, 0x7085,
2686 			    "Queue Pair: %d Qos: %d) created for VP[%d]\n",
2687 			    qpair->id, qos, vha->vp_idx);
2688 			req = qpair->req;
2689 			vha->qpair = qpair;
2690 		}
2691 	}
2692 
2693 vport_queue:
2694 	vha->req = req;
2695 	return 0;
2696 
2697 vport_create_failed_2:
2698 	qla24xx_disable_vp(vha);
2699 	qla24xx_deallocate_vp_id(vha);
2700 	scsi_host_put(vha->host);
2701 	return FC_VPORT_FAILED;
2702 }
2703 
2704 static int
2705 qla24xx_vport_delete(struct fc_vport *fc_vport)
2706 {
2707 	scsi_qla_host_t *vha = fc_vport->dd_data;
2708 	struct qla_hw_data *ha = vha->hw;
2709 	uint16_t id = vha->vp_idx;
2710 
2711 	while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
2712 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
2713 		msleep(1000);
2714 
2715 	qla_nvme_delete(vha);
2716 
2717 	qla24xx_disable_vp(vha);
2718 	qla2x00_wait_for_sess_deletion(vha);
2719 
2720 	vha->flags.delete_progress = 1;
2721 
2722 	qlt_remove_target(ha, vha);
2723 
2724 	fc_remove_host(vha->host);
2725 
2726 	scsi_remove_host(vha->host);
2727 
2728 	/* Allow timer to run to drain queued items, when removing vp */
2729 	qla24xx_deallocate_vp_id(vha);
2730 
2731 	if (vha->timer_active) {
2732 		qla2x00_vp_stop_timer(vha);
2733 		ql_dbg(ql_dbg_user, vha, 0x7086,
2734 		    "Timer for the VP[%d] has stopped\n", vha->vp_idx);
2735 	}
2736 
2737 	qla2x00_free_fcports(vha);
2738 
2739 	mutex_lock(&ha->vport_lock);
2740 	ha->cur_vport_count--;
2741 	clear_bit(vha->vp_idx, ha->vp_idx_map);
2742 	mutex_unlock(&ha->vport_lock);
2743 
2744 	dma_free_coherent(&ha->pdev->dev, vha->gnl.size, vha->gnl.l,
2745 	    vha->gnl.ldma);
2746 
2747 	vfree(vha->scan.l);
2748 
2749 	if (vha->qpair && vha->qpair->vp_idx == vha->vp_idx) {
2750 		if (qla2xxx_delete_qpair(vha, vha->qpair) != QLA_SUCCESS)
2751 			ql_log(ql_log_warn, vha, 0x7087,
2752 			    "Queue Pair delete failed.\n");
2753 	}
2754 
2755 	ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
2756 	scsi_host_put(vha->host);
2757 	return 0;
2758 }
2759 
2760 static int
2761 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
2762 {
2763 	scsi_qla_host_t *vha = fc_vport->dd_data;
2764 
2765 	if (disable)
2766 		qla24xx_disable_vp(vha);
2767 	else
2768 		qla24xx_enable_vp(vha);
2769 
2770 	return 0;
2771 }
2772 
2773 struct fc_function_template qla2xxx_transport_functions = {
2774 
2775 	.show_host_node_name = 1,
2776 	.show_host_port_name = 1,
2777 	.show_host_supported_classes = 1,
2778 	.show_host_supported_speeds = 1,
2779 
2780 	.get_host_port_id = qla2x00_get_host_port_id,
2781 	.show_host_port_id = 1,
2782 	.get_host_speed = qla2x00_get_host_speed,
2783 	.show_host_speed = 1,
2784 	.get_host_port_type = qla2x00_get_host_port_type,
2785 	.show_host_port_type = 1,
2786 	.get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2787 	.show_host_symbolic_name = 1,
2788 	.set_host_system_hostname = qla2x00_set_host_system_hostname,
2789 	.show_host_system_hostname = 1,
2790 	.get_host_fabric_name = qla2x00_get_host_fabric_name,
2791 	.show_host_fabric_name = 1,
2792 	.get_host_port_state = qla2x00_get_host_port_state,
2793 	.show_host_port_state = 1,
2794 
2795 	.dd_fcrport_size = sizeof(struct fc_port *),
2796 	.show_rport_supported_classes = 1,
2797 
2798 	.get_starget_node_name = qla2x00_get_starget_node_name,
2799 	.show_starget_node_name = 1,
2800 	.get_starget_port_name = qla2x00_get_starget_port_name,
2801 	.show_starget_port_name = 1,
2802 	.get_starget_port_id  = qla2x00_get_starget_port_id,
2803 	.show_starget_port_id = 1,
2804 
2805 	.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2806 	.show_rport_dev_loss_tmo = 1,
2807 
2808 	.issue_fc_host_lip = qla2x00_issue_lip,
2809 	.dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2810 	.terminate_rport_io = qla2x00_terminate_rport_io,
2811 	.get_fc_host_stats = qla2x00_get_fc_host_stats,
2812 	.reset_fc_host_stats = qla2x00_reset_host_stats,
2813 
2814 	.vport_create = qla24xx_vport_create,
2815 	.vport_disable = qla24xx_vport_disable,
2816 	.vport_delete = qla24xx_vport_delete,
2817 	.bsg_request = qla24xx_bsg_request,
2818 	.bsg_timeout = qla24xx_bsg_timeout,
2819 };
2820 
2821 struct fc_function_template qla2xxx_transport_vport_functions = {
2822 
2823 	.show_host_node_name = 1,
2824 	.show_host_port_name = 1,
2825 	.show_host_supported_classes = 1,
2826 
2827 	.get_host_port_id = qla2x00_get_host_port_id,
2828 	.show_host_port_id = 1,
2829 	.get_host_speed = qla2x00_get_host_speed,
2830 	.show_host_speed = 1,
2831 	.get_host_port_type = qla2x00_get_host_port_type,
2832 	.show_host_port_type = 1,
2833 	.get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2834 	.show_host_symbolic_name = 1,
2835 	.set_host_system_hostname = qla2x00_set_host_system_hostname,
2836 	.show_host_system_hostname = 1,
2837 	.get_host_fabric_name = qla2x00_get_host_fabric_name,
2838 	.show_host_fabric_name = 1,
2839 	.get_host_port_state = qla2x00_get_host_port_state,
2840 	.show_host_port_state = 1,
2841 
2842 	.dd_fcrport_size = sizeof(struct fc_port *),
2843 	.show_rport_supported_classes = 1,
2844 
2845 	.get_starget_node_name = qla2x00_get_starget_node_name,
2846 	.show_starget_node_name = 1,
2847 	.get_starget_port_name = qla2x00_get_starget_port_name,
2848 	.show_starget_port_name = 1,
2849 	.get_starget_port_id  = qla2x00_get_starget_port_id,
2850 	.show_starget_port_id = 1,
2851 
2852 	.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2853 	.show_rport_dev_loss_tmo = 1,
2854 
2855 	.issue_fc_host_lip = qla2x00_issue_lip,
2856 	.dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2857 	.terminate_rport_io = qla2x00_terminate_rport_io,
2858 	.get_fc_host_stats = qla2x00_get_fc_host_stats,
2859 	.reset_fc_host_stats = qla2x00_reset_host_stats,
2860 
2861 	.bsg_request = qla24xx_bsg_request,
2862 	.bsg_timeout = qla24xx_bsg_timeout,
2863 };
2864 
2865 void
2866 qla2x00_init_host_attr(scsi_qla_host_t *vha)
2867 {
2868 	struct qla_hw_data *ha = vha->hw;
2869 	u32 speed = FC_PORTSPEED_UNKNOWN;
2870 
2871 	fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2872 	fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2873 	fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2874 	fc_host_supported_classes(vha->host) = ha->base_qpair->enable_class_2 ?
2875 			(FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
2876 	fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
2877 	fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
2878 
2879 	if (IS_CNA_CAPABLE(ha))
2880 		speed = FC_PORTSPEED_10GBIT;
2881 	else if (IS_QLA2031(ha))
2882 		speed = FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
2883 		    FC_PORTSPEED_4GBIT;
2884 	else if (IS_QLA25XX(ha))
2885 		speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2886 		    FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2887 	else if (IS_QLA24XX_TYPE(ha))
2888 		speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
2889 		    FC_PORTSPEED_1GBIT;
2890 	else if (IS_QLA23XX(ha))
2891 		speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2892 	else if (IS_QLAFX00(ha))
2893 		speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2894 		    FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2895 	else if (IS_QLA27XX(ha))
2896 		speed = FC_PORTSPEED_32GBIT | FC_PORTSPEED_16GBIT |
2897 		    FC_PORTSPEED_8GBIT;
2898 	else
2899 		speed = FC_PORTSPEED_1GBIT;
2900 	fc_host_supported_speeds(vha->host) = speed;
2901 }
2902