xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_attr.c (revision dd5b2498)
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 (qla2x00_chip_is_down(vha))
547 		return 0;
548 
549 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
550 	    !ha->isp_ops->write_nvram)
551 		return 0;
552 
553 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
554 		ql_log(ql_log_warn, vha, 0x706a,
555 		    "HBA not online, failing VPD update.\n");
556 		return -EAGAIN;
557 	}
558 
559 	mutex_lock(&ha->optrom_mutex);
560 	if (qla2x00_chip_is_down(vha)) {
561 		mutex_unlock(&ha->optrom_mutex);
562 		return -EAGAIN;
563 	}
564 
565 	/* Write NVRAM. */
566 	ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
567 	ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
568 
569 	/* Update flash version information for 4Gb & above. */
570 	if (!IS_FWI2_CAPABLE(ha)) {
571 		mutex_unlock(&ha->optrom_mutex);
572 		return -EINVAL;
573 	}
574 
575 	tmp_data = vmalloc(256);
576 	if (!tmp_data) {
577 		mutex_unlock(&ha->optrom_mutex);
578 		ql_log(ql_log_warn, vha, 0x706b,
579 		    "Unable to allocate memory for VPD information update.\n");
580 		return -ENOMEM;
581 	}
582 	ha->isp_ops->get_flash_version(vha, tmp_data);
583 	vfree(tmp_data);
584 
585 	mutex_unlock(&ha->optrom_mutex);
586 
587 	return count;
588 }
589 
590 static struct bin_attribute sysfs_vpd_attr = {
591 	.attr = {
592 		.name = "vpd",
593 		.mode = S_IRUSR | S_IWUSR,
594 	},
595 	.size = 0,
596 	.read = qla2x00_sysfs_read_vpd,
597 	.write = qla2x00_sysfs_write_vpd,
598 };
599 
600 static ssize_t
601 qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
602 		       struct bin_attribute *bin_attr,
603 		       char *buf, loff_t off, size_t count)
604 {
605 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
606 	    struct device, kobj)));
607 	int rval;
608 
609 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count < SFP_DEV_SIZE)
610 		return 0;
611 
612 	mutex_lock(&vha->hw->optrom_mutex);
613 	if (qla2x00_chip_is_down(vha)) {
614 		mutex_unlock(&vha->hw->optrom_mutex);
615 		return 0;
616 	}
617 
618 	rval = qla2x00_read_sfp_dev(vha, buf, count);
619 	mutex_unlock(&vha->hw->optrom_mutex);
620 
621 	if (rval)
622 		return -EIO;
623 
624 	return count;
625 }
626 
627 static struct bin_attribute sysfs_sfp_attr = {
628 	.attr = {
629 		.name = "sfp",
630 		.mode = S_IRUSR | S_IWUSR,
631 	},
632 	.size = SFP_DEV_SIZE,
633 	.read = qla2x00_sysfs_read_sfp,
634 };
635 
636 static ssize_t
637 qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
638 			struct bin_attribute *bin_attr,
639 			char *buf, loff_t off, size_t count)
640 {
641 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
642 	    struct device, kobj)));
643 	struct qla_hw_data *ha = vha->hw;
644 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
645 	int type;
646 	uint32_t idc_control;
647 	uint8_t *tmp_data = NULL;
648 	if (off != 0)
649 		return -EINVAL;
650 
651 	type = simple_strtol(buf, NULL, 10);
652 	switch (type) {
653 	case 0x2025c:
654 		ql_log(ql_log_info, vha, 0x706e,
655 		    "Issuing ISP reset.\n");
656 
657 		scsi_block_requests(vha->host);
658 		if (IS_QLA82XX(ha)) {
659 			ha->flags.isp82xx_no_md_cap = 1;
660 			qla82xx_idc_lock(ha);
661 			qla82xx_set_reset_owner(vha);
662 			qla82xx_idc_unlock(ha);
663 		} else if (IS_QLA8044(ha)) {
664 			qla8044_idc_lock(ha);
665 			idc_control = qla8044_rd_reg(ha,
666 			    QLA8044_IDC_DRV_CTRL);
667 			qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
668 			    (idc_control | GRACEFUL_RESET_BIT1));
669 			qla82xx_set_reset_owner(vha);
670 			qla8044_idc_unlock(ha);
671 		} else {
672 			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
673 			qla2xxx_wake_dpc(vha);
674 		}
675 		qla2x00_wait_for_chip_reset(vha);
676 		scsi_unblock_requests(vha->host);
677 		break;
678 	case 0x2025d:
679 		if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
680 			return -EPERM;
681 
682 		ql_log(ql_log_info, vha, 0x706f,
683 		    "Issuing MPI reset.\n");
684 
685 		if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
686 			uint32_t idc_control;
687 
688 			qla83xx_idc_lock(vha, 0);
689 			__qla83xx_get_idc_control(vha, &idc_control);
690 			idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
691 			__qla83xx_set_idc_control(vha, idc_control);
692 			qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
693 			    QLA8XXX_DEV_NEED_RESET);
694 			qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
695 			qla83xx_idc_unlock(vha, 0);
696 			break;
697 		} else {
698 			/* Make sure FC side is not in reset */
699 			qla2x00_wait_for_hba_online(vha);
700 
701 			/* Issue MPI reset */
702 			scsi_block_requests(vha->host);
703 			if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
704 				ql_log(ql_log_warn, vha, 0x7070,
705 				    "MPI reset failed.\n");
706 			scsi_unblock_requests(vha->host);
707 			break;
708 		}
709 	case 0x2025e:
710 		if (!IS_P3P_TYPE(ha) || vha != base_vha) {
711 			ql_log(ql_log_info, vha, 0x7071,
712 			    "FCoE ctx reset not supported.\n");
713 			return -EPERM;
714 		}
715 
716 		ql_log(ql_log_info, vha, 0x7072,
717 		    "Issuing FCoE ctx reset.\n");
718 		set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
719 		qla2xxx_wake_dpc(vha);
720 		qla2x00_wait_for_fcoe_ctx_reset(vha);
721 		break;
722 	case 0x2025f:
723 		if (!IS_QLA8031(ha))
724 			return -EPERM;
725 		ql_log(ql_log_info, vha, 0x70bc,
726 		    "Disabling Reset by IDC control\n");
727 		qla83xx_idc_lock(vha, 0);
728 		__qla83xx_get_idc_control(vha, &idc_control);
729 		idc_control |= QLA83XX_IDC_RESET_DISABLED;
730 		__qla83xx_set_idc_control(vha, idc_control);
731 		qla83xx_idc_unlock(vha, 0);
732 		break;
733 	case 0x20260:
734 		if (!IS_QLA8031(ha))
735 			return -EPERM;
736 		ql_log(ql_log_info, vha, 0x70bd,
737 		    "Enabling Reset by IDC control\n");
738 		qla83xx_idc_lock(vha, 0);
739 		__qla83xx_get_idc_control(vha, &idc_control);
740 		idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
741 		__qla83xx_set_idc_control(vha, idc_control);
742 		qla83xx_idc_unlock(vha, 0);
743 		break;
744 	case 0x20261:
745 		ql_dbg(ql_dbg_user, vha, 0x70e0,
746 		    "Updating cache versions without reset ");
747 
748 		tmp_data = vmalloc(256);
749 		if (!tmp_data) {
750 			ql_log(ql_log_warn, vha, 0x70e1,
751 			    "Unable to allocate memory for VPD information update.\n");
752 			return -ENOMEM;
753 		}
754 		ha->isp_ops->get_flash_version(vha, tmp_data);
755 		vfree(tmp_data);
756 		break;
757 	}
758 	return count;
759 }
760 
761 static struct bin_attribute sysfs_reset_attr = {
762 	.attr = {
763 		.name = "reset",
764 		.mode = S_IWUSR,
765 	},
766 	.size = 0,
767 	.write = qla2x00_sysfs_write_reset,
768 };
769 
770 static ssize_t
771 qla2x00_issue_logo(struct file *filp, struct kobject *kobj,
772 			struct bin_attribute *bin_attr,
773 			char *buf, loff_t off, size_t count)
774 {
775 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
776 	    struct device, kobj)));
777 	int type;
778 	port_id_t did;
779 
780 	if (!capable(CAP_SYS_ADMIN))
781 		return 0;
782 
783 	if (unlikely(pci_channel_offline(vha->hw->pdev)))
784 		return 0;
785 
786 	if (qla2x00_chip_is_down(vha))
787 		return 0;
788 
789 	type = simple_strtol(buf, NULL, 10);
790 
791 	did.b.domain = (type & 0x00ff0000) >> 16;
792 	did.b.area = (type & 0x0000ff00) >> 8;
793 	did.b.al_pa = (type & 0x000000ff);
794 
795 	ql_log(ql_log_info, vha, 0xd04d, "portid=%02x%02x%02x done\n",
796 	    did.b.domain, did.b.area, did.b.al_pa);
797 
798 	ql_log(ql_log_info, vha, 0x70e4, "%s: %d\n", __func__, type);
799 
800 	qla24xx_els_dcmd_iocb(vha, ELS_DCMD_LOGO, did);
801 	return count;
802 }
803 
804 static struct bin_attribute sysfs_issue_logo_attr = {
805 	.attr = {
806 		.name = "issue_logo",
807 		.mode = S_IWUSR,
808 	},
809 	.size = 0,
810 	.write = qla2x00_issue_logo,
811 };
812 
813 static ssize_t
814 qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
815 		       struct bin_attribute *bin_attr,
816 		       char *buf, loff_t off, size_t count)
817 {
818 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
819 	    struct device, kobj)));
820 	struct qla_hw_data *ha = vha->hw;
821 	int rval;
822 	uint16_t actual_size;
823 
824 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
825 		return 0;
826 
827 	if (unlikely(pci_channel_offline(ha->pdev)))
828 		return 0;
829 	mutex_lock(&vha->hw->optrom_mutex);
830 	if (qla2x00_chip_is_down(vha)) {
831 		mutex_unlock(&vha->hw->optrom_mutex);
832 		return 0;
833 	}
834 
835 	if (ha->xgmac_data)
836 		goto do_read;
837 
838 	ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
839 	    &ha->xgmac_data_dma, GFP_KERNEL);
840 	if (!ha->xgmac_data) {
841 		mutex_unlock(&vha->hw->optrom_mutex);
842 		ql_log(ql_log_warn, vha, 0x7076,
843 		    "Unable to allocate memory for XGMAC read-data.\n");
844 		return 0;
845 	}
846 
847 do_read:
848 	actual_size = 0;
849 	memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
850 
851 	rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
852 	    XGMAC_DATA_SIZE, &actual_size);
853 
854 	mutex_unlock(&vha->hw->optrom_mutex);
855 	if (rval != QLA_SUCCESS) {
856 		ql_log(ql_log_warn, vha, 0x7077,
857 		    "Unable to read XGMAC data (%x).\n", rval);
858 		count = 0;
859 	}
860 
861 	count = actual_size > count ? count: actual_size;
862 	memcpy(buf, ha->xgmac_data, count);
863 
864 	return count;
865 }
866 
867 static struct bin_attribute sysfs_xgmac_stats_attr = {
868 	.attr = {
869 		.name = "xgmac_stats",
870 		.mode = S_IRUSR,
871 	},
872 	.size = 0,
873 	.read = qla2x00_sysfs_read_xgmac_stats,
874 };
875 
876 static ssize_t
877 qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
878 		       struct bin_attribute *bin_attr,
879 		       char *buf, loff_t off, size_t count)
880 {
881 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
882 	    struct device, kobj)));
883 	struct qla_hw_data *ha = vha->hw;
884 	int rval;
885 
886 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
887 		return 0;
888 
889 	if (ha->dcbx_tlv)
890 		goto do_read;
891 	mutex_lock(&vha->hw->optrom_mutex);
892 	if (qla2x00_chip_is_down(vha)) {
893 		mutex_unlock(&vha->hw->optrom_mutex);
894 		return 0;
895 	}
896 
897 	ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
898 	    &ha->dcbx_tlv_dma, GFP_KERNEL);
899 	if (!ha->dcbx_tlv) {
900 		mutex_unlock(&vha->hw->optrom_mutex);
901 		ql_log(ql_log_warn, vha, 0x7078,
902 		    "Unable to allocate memory for DCBX TLV read-data.\n");
903 		return -ENOMEM;
904 	}
905 
906 do_read:
907 	memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
908 
909 	rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
910 	    DCBX_TLV_DATA_SIZE);
911 
912 	mutex_unlock(&vha->hw->optrom_mutex);
913 
914 	if (rval != QLA_SUCCESS) {
915 		ql_log(ql_log_warn, vha, 0x7079,
916 		    "Unable to read DCBX TLV (%x).\n", rval);
917 		return -EIO;
918 	}
919 
920 	memcpy(buf, ha->dcbx_tlv, count);
921 
922 	return count;
923 }
924 
925 static struct bin_attribute sysfs_dcbx_tlv_attr = {
926 	.attr = {
927 		.name = "dcbx_tlv",
928 		.mode = S_IRUSR,
929 	},
930 	.size = 0,
931 	.read = qla2x00_sysfs_read_dcbx_tlv,
932 };
933 
934 static struct sysfs_entry {
935 	char *name;
936 	struct bin_attribute *attr;
937 	int is4GBp_only;
938 } bin_file_entries[] = {
939 	{ "fw_dump", &sysfs_fw_dump_attr, },
940 	{ "nvram", &sysfs_nvram_attr, },
941 	{ "optrom", &sysfs_optrom_attr, },
942 	{ "optrom_ctl", &sysfs_optrom_ctl_attr, },
943 	{ "vpd", &sysfs_vpd_attr, 1 },
944 	{ "sfp", &sysfs_sfp_attr, 1 },
945 	{ "reset", &sysfs_reset_attr, },
946 	{ "issue_logo", &sysfs_issue_logo_attr, },
947 	{ "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
948 	{ "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
949 	{ NULL },
950 };
951 
952 void
953 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
954 {
955 	struct Scsi_Host *host = vha->host;
956 	struct sysfs_entry *iter;
957 	int ret;
958 
959 	for (iter = bin_file_entries; iter->name; iter++) {
960 		if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
961 			continue;
962 		if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
963 			continue;
964 		if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
965 			continue;
966 
967 		ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
968 		    iter->attr);
969 		if (ret)
970 			ql_log(ql_log_warn, vha, 0x00f3,
971 			    "Unable to create sysfs %s binary attribute (%d).\n",
972 			    iter->name, ret);
973 		else
974 			ql_dbg(ql_dbg_init, vha, 0x00f4,
975 			    "Successfully created sysfs %s binary attribute.\n",
976 			    iter->name);
977 	}
978 }
979 
980 void
981 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
982 {
983 	struct Scsi_Host *host = vha->host;
984 	struct sysfs_entry *iter;
985 	struct qla_hw_data *ha = vha->hw;
986 
987 	for (iter = bin_file_entries; iter->name; iter++) {
988 		if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
989 			continue;
990 		if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
991 			continue;
992 		if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
993 			continue;
994 		if (iter->is4GBp_only == 0x27 && !IS_QLA27XX(vha->hw))
995 			continue;
996 
997 		sysfs_remove_bin_file(&host->shost_gendev.kobj,
998 		    iter->attr);
999 	}
1000 
1001 	if (stop_beacon && ha->beacon_blink_led == 1)
1002 		ha->isp_ops->beacon_off(vha);
1003 }
1004 
1005 /* Scsi_Host attributes. */
1006 
1007 static ssize_t
1008 qla2x00_driver_version_show(struct device *dev,
1009 			  struct device_attribute *attr, char *buf)
1010 {
1011 	return scnprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
1012 }
1013 
1014 static ssize_t
1015 qla2x00_fw_version_show(struct device *dev,
1016 			struct device_attribute *attr, char *buf)
1017 {
1018 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1019 	struct qla_hw_data *ha = vha->hw;
1020 	char fw_str[128];
1021 
1022 	return scnprintf(buf, PAGE_SIZE, "%s\n",
1023 	    ha->isp_ops->fw_version_str(vha, fw_str, sizeof(fw_str)));
1024 }
1025 
1026 static ssize_t
1027 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
1028 			char *buf)
1029 {
1030 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1031 	struct qla_hw_data *ha = vha->hw;
1032 	uint32_t sn;
1033 
1034 	if (IS_QLAFX00(vha->hw)) {
1035 		return scnprintf(buf, PAGE_SIZE, "%s\n",
1036 		    vha->hw->mr.serial_num);
1037 	} else if (IS_FWI2_CAPABLE(ha)) {
1038 		qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1);
1039 		return strlen(strcat(buf, "\n"));
1040 	}
1041 
1042 	sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1043 	return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
1044 	    sn % 100000);
1045 }
1046 
1047 static ssize_t
1048 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
1049 		      char *buf)
1050 {
1051 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1052 	return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
1053 }
1054 
1055 static ssize_t
1056 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
1057 		    char *buf)
1058 {
1059 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1060 	struct qla_hw_data *ha = vha->hw;
1061 
1062 	if (IS_QLAFX00(vha->hw))
1063 		return scnprintf(buf, PAGE_SIZE, "%s\n",
1064 		    vha->hw->mr.hw_version);
1065 
1066 	return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
1067 	    ha->product_id[0], ha->product_id[1], ha->product_id[2],
1068 	    ha->product_id[3]);
1069 }
1070 
1071 static ssize_t
1072 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
1073 			char *buf)
1074 {
1075 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1076 
1077 	return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
1078 }
1079 
1080 static ssize_t
1081 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
1082 			char *buf)
1083 {
1084 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1085 	return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_desc);
1086 }
1087 
1088 static ssize_t
1089 qla2x00_pci_info_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 	char pci_info[30];
1094 
1095 	return scnprintf(buf, PAGE_SIZE, "%s\n",
1096 	    vha->hw->isp_ops->pci_info_str(vha, pci_info));
1097 }
1098 
1099 static ssize_t
1100 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
1101 			char *buf)
1102 {
1103 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1104 	struct qla_hw_data *ha = vha->hw;
1105 	int len = 0;
1106 
1107 	if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
1108 	    atomic_read(&vha->loop_state) == LOOP_DEAD ||
1109 	    vha->device_flags & DFLG_NO_CABLE)
1110 		len = scnprintf(buf, PAGE_SIZE, "Link Down\n");
1111 	else if (atomic_read(&vha->loop_state) != LOOP_READY ||
1112 	    qla2x00_chip_is_down(vha))
1113 		len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n");
1114 	else {
1115 		len = scnprintf(buf, PAGE_SIZE, "Link Up - ");
1116 
1117 		switch (ha->current_topology) {
1118 		case ISP_CFG_NL:
1119 			len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1120 			break;
1121 		case ISP_CFG_FL:
1122 			len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
1123 			break;
1124 		case ISP_CFG_N:
1125 			len += scnprintf(buf + len, PAGE_SIZE-len,
1126 			    "N_Port to N_Port\n");
1127 			break;
1128 		case ISP_CFG_F:
1129 			len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
1130 			break;
1131 		default:
1132 			len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1133 			break;
1134 		}
1135 	}
1136 	return len;
1137 }
1138 
1139 static ssize_t
1140 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
1141 		 char *buf)
1142 {
1143 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1144 	int len = 0;
1145 
1146 	switch (vha->hw->zio_mode) {
1147 	case QLA_ZIO_MODE_6:
1148 		len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1149 		break;
1150 	case QLA_ZIO_DISABLED:
1151 		len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1152 		break;
1153 	}
1154 	return len;
1155 }
1156 
1157 static ssize_t
1158 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1159 		  const char *buf, size_t count)
1160 {
1161 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1162 	struct qla_hw_data *ha = vha->hw;
1163 	int val = 0;
1164 	uint16_t zio_mode;
1165 
1166 	if (!IS_ZIO_SUPPORTED(ha))
1167 		return -ENOTSUPP;
1168 
1169 	if (sscanf(buf, "%d", &val) != 1)
1170 		return -EINVAL;
1171 
1172 	if (val)
1173 		zio_mode = QLA_ZIO_MODE_6;
1174 	else
1175 		zio_mode = QLA_ZIO_DISABLED;
1176 
1177 	/* Update per-hba values and queue a reset. */
1178 	if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1179 		ha->zio_mode = zio_mode;
1180 		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1181 	}
1182 	return strlen(buf);
1183 }
1184 
1185 static ssize_t
1186 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1187 		       char *buf)
1188 {
1189 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1190 
1191 	return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1192 }
1193 
1194 static ssize_t
1195 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1196 			const char *buf, size_t count)
1197 {
1198 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1199 	int val = 0;
1200 	uint16_t zio_timer;
1201 
1202 	if (sscanf(buf, "%d", &val) != 1)
1203 		return -EINVAL;
1204 	if (val > 25500 || val < 100)
1205 		return -ERANGE;
1206 
1207 	zio_timer = (uint16_t)(val / 100);
1208 	vha->hw->zio_timer = zio_timer;
1209 
1210 	return strlen(buf);
1211 }
1212 
1213 static ssize_t
1214 qla_zio_threshold_show(struct device *dev, struct device_attribute *attr,
1215 		       char *buf)
1216 {
1217 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1218 
1219 	return scnprintf(buf, PAGE_SIZE, "%d exchanges\n",
1220 	    vha->hw->last_zio_threshold);
1221 }
1222 
1223 static ssize_t
1224 qla_zio_threshold_store(struct device *dev, struct device_attribute *attr,
1225     const char *buf, size_t count)
1226 {
1227 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1228 	int val = 0;
1229 
1230 	if (vha->hw->zio_mode != QLA_ZIO_MODE_6)
1231 		return -EINVAL;
1232 	if (sscanf(buf, "%d", &val) != 1)
1233 		return -EINVAL;
1234 	if (val < 0 || val > 256)
1235 		return -ERANGE;
1236 
1237 	atomic_set(&vha->hw->zio_threshold, val);
1238 	return strlen(buf);
1239 }
1240 
1241 static ssize_t
1242 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1243 		    char *buf)
1244 {
1245 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1246 	int len = 0;
1247 
1248 	if (vha->hw->beacon_blink_led)
1249 		len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1250 	else
1251 		len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1252 	return len;
1253 }
1254 
1255 static ssize_t
1256 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1257 		     const char *buf, size_t count)
1258 {
1259 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1260 	struct qla_hw_data *ha = vha->hw;
1261 	int val = 0;
1262 	int rval;
1263 
1264 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
1265 		return -EPERM;
1266 
1267 	if (sscanf(buf, "%d", &val) != 1)
1268 		return -EINVAL;
1269 
1270 	mutex_lock(&vha->hw->optrom_mutex);
1271 	if (qla2x00_chip_is_down(vha)) {
1272 		mutex_unlock(&vha->hw->optrom_mutex);
1273 		ql_log(ql_log_warn, vha, 0x707a,
1274 		    "Abort ISP active -- ignoring beacon request.\n");
1275 		return -EBUSY;
1276 	}
1277 
1278 	if (val)
1279 		rval = ha->isp_ops->beacon_on(vha);
1280 	else
1281 		rval = ha->isp_ops->beacon_off(vha);
1282 
1283 	if (rval != QLA_SUCCESS)
1284 		count = 0;
1285 
1286 	mutex_unlock(&vha->hw->optrom_mutex);
1287 
1288 	return count;
1289 }
1290 
1291 static ssize_t
1292 qla2x00_optrom_bios_version_show(struct device *dev,
1293 				 struct device_attribute *attr, char *buf)
1294 {
1295 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1296 	struct qla_hw_data *ha = vha->hw;
1297 	return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1298 	    ha->bios_revision[0]);
1299 }
1300 
1301 static ssize_t
1302 qla2x00_optrom_efi_version_show(struct device *dev,
1303 				struct device_attribute *attr, char *buf)
1304 {
1305 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1306 	struct qla_hw_data *ha = vha->hw;
1307 	return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1308 	    ha->efi_revision[0]);
1309 }
1310 
1311 static ssize_t
1312 qla2x00_optrom_fcode_version_show(struct device *dev,
1313 				  struct device_attribute *attr, char *buf)
1314 {
1315 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1316 	struct qla_hw_data *ha = vha->hw;
1317 	return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1318 	    ha->fcode_revision[0]);
1319 }
1320 
1321 static ssize_t
1322 qla2x00_optrom_fw_version_show(struct device *dev,
1323 			       struct device_attribute *attr, char *buf)
1324 {
1325 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1326 	struct qla_hw_data *ha = vha->hw;
1327 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1328 	    ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1329 	    ha->fw_revision[3]);
1330 }
1331 
1332 static ssize_t
1333 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1334     struct device_attribute *attr, char *buf)
1335 {
1336 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1337 	struct qla_hw_data *ha = vha->hw;
1338 
1339 	if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha) && !IS_QLA27XX(ha))
1340 		return scnprintf(buf, PAGE_SIZE, "\n");
1341 
1342 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1343 	    ha->gold_fw_version[0], ha->gold_fw_version[1],
1344 	    ha->gold_fw_version[2], ha->gold_fw_version[3]);
1345 }
1346 
1347 static ssize_t
1348 qla2x00_total_isp_aborts_show(struct device *dev,
1349 			      struct device_attribute *attr, char *buf)
1350 {
1351 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1352 	return scnprintf(buf, PAGE_SIZE, "%d\n",
1353 	    vha->qla_stats.total_isp_aborts);
1354 }
1355 
1356 static ssize_t
1357 qla24xx_84xx_fw_version_show(struct device *dev,
1358 	struct device_attribute *attr, char *buf)
1359 {
1360 	int rval = QLA_SUCCESS;
1361 	uint16_t status[2] = {0, 0};
1362 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1363 	struct qla_hw_data *ha = vha->hw;
1364 
1365 	if (!IS_QLA84XX(ha))
1366 		return scnprintf(buf, PAGE_SIZE, "\n");
1367 
1368 	if (ha->cs84xx->op_fw_version == 0)
1369 		rval = qla84xx_verify_chip(vha, status);
1370 
1371 	if ((rval == QLA_SUCCESS) && (status[0] == 0))
1372 		return scnprintf(buf, PAGE_SIZE, "%u\n",
1373 			(uint32_t)ha->cs84xx->op_fw_version);
1374 
1375 	return scnprintf(buf, PAGE_SIZE, "\n");
1376 }
1377 
1378 static ssize_t
1379 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1380     char *buf)
1381 {
1382 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1383 	struct qla_hw_data *ha = vha->hw;
1384 
1385 	if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha) &&
1386 	    !IS_QLA27XX(ha))
1387 		return scnprintf(buf, PAGE_SIZE, "\n");
1388 
1389 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1390 	    ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1391 	    ha->mpi_capabilities);
1392 }
1393 
1394 static ssize_t
1395 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1396     char *buf)
1397 {
1398 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1399 	struct qla_hw_data *ha = vha->hw;
1400 
1401 	if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1402 		return scnprintf(buf, PAGE_SIZE, "\n");
1403 
1404 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1405 	    ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1406 }
1407 
1408 static ssize_t
1409 qla2x00_flash_block_size_show(struct device *dev,
1410 			      struct device_attribute *attr, char *buf)
1411 {
1412 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1413 	struct qla_hw_data *ha = vha->hw;
1414 
1415 	return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1416 }
1417 
1418 static ssize_t
1419 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1420     char *buf)
1421 {
1422 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1423 
1424 	if (!IS_CNA_CAPABLE(vha->hw))
1425 		return scnprintf(buf, PAGE_SIZE, "\n");
1426 
1427 	return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1428 }
1429 
1430 static ssize_t
1431 qla2x00_vn_port_mac_address_show(struct device *dev,
1432     struct device_attribute *attr, char *buf)
1433 {
1434 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1435 
1436 	if (!IS_CNA_CAPABLE(vha->hw))
1437 		return scnprintf(buf, PAGE_SIZE, "\n");
1438 
1439 	return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
1440 }
1441 
1442 static ssize_t
1443 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1444     char *buf)
1445 {
1446 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1447 
1448 	return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1449 }
1450 
1451 static ssize_t
1452 qla2x00_thermal_temp_show(struct device *dev,
1453 	struct device_attribute *attr, char *buf)
1454 {
1455 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1456 	uint16_t temp = 0;
1457 	int rc;
1458 
1459 	mutex_lock(&vha->hw->optrom_mutex);
1460 	if (qla2x00_chip_is_down(vha)) {
1461 		mutex_unlock(&vha->hw->optrom_mutex);
1462 		ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1463 		goto done;
1464 	}
1465 
1466 	if (vha->hw->flags.eeh_busy) {
1467 		mutex_unlock(&vha->hw->optrom_mutex);
1468 		ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1469 		goto done;
1470 	}
1471 
1472 	rc = qla2x00_get_thermal_temp(vha, &temp);
1473 	mutex_unlock(&vha->hw->optrom_mutex);
1474 	if (rc == QLA_SUCCESS)
1475 		return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
1476 
1477 done:
1478 	return scnprintf(buf, PAGE_SIZE, "\n");
1479 }
1480 
1481 static ssize_t
1482 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1483     char *buf)
1484 {
1485 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1486 	int rval = QLA_FUNCTION_FAILED;
1487 	uint16_t state[6];
1488 	uint32_t pstate;
1489 
1490 	if (IS_QLAFX00(vha->hw)) {
1491 		pstate = qlafx00_fw_state_show(dev, attr, buf);
1492 		return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1493 	}
1494 
1495 	mutex_lock(&vha->hw->optrom_mutex);
1496 	if (qla2x00_chip_is_down(vha)) {
1497 		mutex_unlock(&vha->hw->optrom_mutex);
1498 		ql_log(ql_log_warn, vha, 0x707c,
1499 		    "ISP reset active.\n");
1500 		goto out;
1501 	} else if (vha->hw->flags.eeh_busy) {
1502 		mutex_unlock(&vha->hw->optrom_mutex);
1503 		goto out;
1504 	}
1505 
1506 	rval = qla2x00_get_firmware_state(vha, state);
1507 	mutex_unlock(&vha->hw->optrom_mutex);
1508 out:
1509 	if (rval != QLA_SUCCESS) {
1510 		memset(state, -1, sizeof(state));
1511 		rval = qla2x00_get_firmware_state(vha, state);
1512 	}
1513 
1514 	return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1515 	    state[0], state[1], state[2], state[3], state[4], state[5]);
1516 }
1517 
1518 static ssize_t
1519 qla2x00_diag_requests_show(struct device *dev,
1520 	struct device_attribute *attr, char *buf)
1521 {
1522 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1523 
1524 	if (!IS_BIDI_CAPABLE(vha->hw))
1525 		return scnprintf(buf, PAGE_SIZE, "\n");
1526 
1527 	return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1528 }
1529 
1530 static ssize_t
1531 qla2x00_diag_megabytes_show(struct device *dev,
1532 	struct device_attribute *attr, char *buf)
1533 {
1534 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1535 
1536 	if (!IS_BIDI_CAPABLE(vha->hw))
1537 		return scnprintf(buf, PAGE_SIZE, "\n");
1538 
1539 	return scnprintf(buf, PAGE_SIZE, "%llu\n",
1540 	    vha->bidi_stats.transfer_bytes >> 20);
1541 }
1542 
1543 static ssize_t
1544 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1545 	char *buf)
1546 {
1547 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1548 	struct qla_hw_data *ha = vha->hw;
1549 	uint32_t size;
1550 
1551 	if (!ha->fw_dumped)
1552 		size = 0;
1553 	else if (IS_P3P_TYPE(ha))
1554 		size = ha->md_template_size + ha->md_dump_size;
1555 	else
1556 		size = ha->fw_dump_len;
1557 
1558 	return scnprintf(buf, PAGE_SIZE, "%d\n", size);
1559 }
1560 
1561 static ssize_t
1562 qla2x00_allow_cna_fw_dump_show(struct device *dev,
1563 	struct device_attribute *attr, char *buf)
1564 {
1565 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1566 
1567 	if (!IS_P3P_TYPE(vha->hw))
1568 		return scnprintf(buf, PAGE_SIZE, "\n");
1569 	else
1570 		return scnprintf(buf, PAGE_SIZE, "%s\n",
1571 		    vha->hw->allow_cna_fw_dump ? "true" : "false");
1572 }
1573 
1574 static ssize_t
1575 qla2x00_allow_cna_fw_dump_store(struct device *dev,
1576 	struct device_attribute *attr, const char *buf, size_t count)
1577 {
1578 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1579 	int val = 0;
1580 
1581 	if (!IS_P3P_TYPE(vha->hw))
1582 		return -EINVAL;
1583 
1584 	if (sscanf(buf, "%d", &val) != 1)
1585 		return -EINVAL;
1586 
1587 	vha->hw->allow_cna_fw_dump = val != 0;
1588 
1589 	return strlen(buf);
1590 }
1591 
1592 static ssize_t
1593 qla2x00_pep_version_show(struct device *dev, struct device_attribute *attr,
1594 	char *buf)
1595 {
1596 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1597 	struct qla_hw_data *ha = vha->hw;
1598 
1599 	if (!IS_QLA27XX(ha))
1600 		return scnprintf(buf, PAGE_SIZE, "\n");
1601 
1602 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1603 	    ha->pep_version[0], ha->pep_version[1], ha->pep_version[2]);
1604 }
1605 
1606 static ssize_t
1607 qla2x00_min_link_speed_show(struct device *dev, struct device_attribute *attr,
1608     char *buf)
1609 {
1610 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1611 	struct qla_hw_data *ha = vha->hw;
1612 
1613 	if (!IS_QLA27XX(ha))
1614 		return scnprintf(buf, PAGE_SIZE, "\n");
1615 
1616 	return scnprintf(buf, PAGE_SIZE, "%s\n",
1617 	    ha->min_link_speed == 5 ? "32Gps" :
1618 	    ha->min_link_speed == 4 ? "16Gps" :
1619 	    ha->min_link_speed == 3 ? "8Gps" :
1620 	    ha->min_link_speed == 2 ? "4Gps" :
1621 	    ha->min_link_speed != 0 ? "unknown" : "");
1622 }
1623 
1624 static ssize_t
1625 qla2x00_max_speed_sup_show(struct device *dev, struct device_attribute *attr,
1626     char *buf)
1627 {
1628 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1629 	struct qla_hw_data *ha = vha->hw;
1630 
1631 	if (!IS_QLA27XX(ha))
1632 		return scnprintf(buf, PAGE_SIZE, "\n");
1633 
1634 	return scnprintf(buf, PAGE_SIZE, "%s\n",
1635 	    ha->max_speed_sup ? "32Gps" : "16Gps");
1636 }
1637 
1638 static ssize_t
1639 qla2x00_port_speed_store(struct device *dev, struct device_attribute *attr,
1640     const char *buf, size_t count)
1641 {
1642 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(dev));
1643 	ulong type, speed;
1644 	int oldspeed, rval;
1645 	int mode = QLA_SET_DATA_RATE_LR;
1646 	struct qla_hw_data *ha = vha->hw;
1647 
1648 	if (!IS_QLA27XX(vha->hw)) {
1649 		ql_log(ql_log_warn, vha, 0x70d8,
1650 		    "Speed setting not supported \n");
1651 		return -EINVAL;
1652 	}
1653 
1654 	rval = kstrtol(buf, 10, &type);
1655 	if (rval)
1656 		return rval;
1657 	speed = type;
1658 	if (type == 40 || type == 80 || type == 160 ||
1659 	    type == 320) {
1660 		ql_dbg(ql_dbg_user, vha, 0x70d9,
1661 		    "Setting will be affected after a loss of sync\n");
1662 		type = type/10;
1663 		mode = QLA_SET_DATA_RATE_NOLR;
1664 	}
1665 
1666 	oldspeed = ha->set_data_rate;
1667 
1668 	switch (type) {
1669 	case 0:
1670 		ha->set_data_rate = PORT_SPEED_AUTO;
1671 		break;
1672 	case 4:
1673 		ha->set_data_rate = PORT_SPEED_4GB;
1674 		break;
1675 	case 8:
1676 		ha->set_data_rate = PORT_SPEED_8GB;
1677 		break;
1678 	case 16:
1679 		ha->set_data_rate = PORT_SPEED_16GB;
1680 		break;
1681 	case 32:
1682 		ha->set_data_rate = PORT_SPEED_32GB;
1683 		break;
1684 	default:
1685 		ql_log(ql_log_warn, vha, 0x1199,
1686 		    "Unrecognized speed setting:%lx. Setting Autoneg\n",
1687 		    speed);
1688 		ha->set_data_rate = PORT_SPEED_AUTO;
1689 	}
1690 
1691 	if (qla2x00_chip_is_down(vha) || (oldspeed == ha->set_data_rate))
1692 		return -EINVAL;
1693 
1694 	ql_log(ql_log_info, vha, 0x70da,
1695 	    "Setting speed to %lx Gbps \n", type);
1696 
1697 	rval = qla2x00_set_data_rate(vha, mode);
1698 	if (rval != QLA_SUCCESS)
1699 		return -EIO;
1700 
1701 	return strlen(buf);
1702 }
1703 
1704 static ssize_t
1705 qla2x00_port_speed_show(struct device *dev, struct device_attribute *attr,
1706     char *buf)
1707 {
1708 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(dev));
1709 	struct qla_hw_data *ha = vha->hw;
1710 	ssize_t rval;
1711 	char *spd[7] = {"0", "0", "0", "4", "8", "16", "32"};
1712 
1713 	rval = qla2x00_get_data_rate(vha);
1714 	if (rval != QLA_SUCCESS) {
1715 		ql_log(ql_log_warn, vha, 0x70db,
1716 		    "Unable to get port speed rval:%zd\n", rval);
1717 		return -EINVAL;
1718 	}
1719 
1720 	ql_log(ql_log_info, vha, 0x70d6,
1721 	    "port speed:%d\n", ha->link_data_rate);
1722 
1723 	return scnprintf(buf, PAGE_SIZE, "%s\n", spd[ha->link_data_rate]);
1724 }
1725 
1726 /* ----- */
1727 
1728 static ssize_t
1729 qlini_mode_show(struct device *dev, struct device_attribute *attr, char *buf)
1730 {
1731 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1732 	int len = 0;
1733 
1734 	len += scnprintf(buf + len, PAGE_SIZE-len,
1735 	    "Supported options: enabled | disabled | dual | exclusive\n");
1736 
1737 	/* --- */
1738 	len += scnprintf(buf + len, PAGE_SIZE-len, "Current selection: ");
1739 
1740 	switch (vha->qlini_mode) {
1741 	case QLA2XXX_INI_MODE_EXCLUSIVE:
1742 		len += scnprintf(buf + len, PAGE_SIZE-len,
1743 		    QLA2XXX_INI_MODE_STR_EXCLUSIVE);
1744 		break;
1745 	case QLA2XXX_INI_MODE_DISABLED:
1746 		len += scnprintf(buf + len, PAGE_SIZE-len,
1747 		    QLA2XXX_INI_MODE_STR_DISABLED);
1748 		break;
1749 	case QLA2XXX_INI_MODE_ENABLED:
1750 		len += scnprintf(buf + len, PAGE_SIZE-len,
1751 		    QLA2XXX_INI_MODE_STR_ENABLED);
1752 		break;
1753 	case QLA2XXX_INI_MODE_DUAL:
1754 		len += scnprintf(buf + len, PAGE_SIZE-len,
1755 		    QLA2XXX_INI_MODE_STR_DUAL);
1756 		break;
1757 	}
1758 	len += scnprintf(buf + len, PAGE_SIZE-len, "\n");
1759 
1760 	return len;
1761 }
1762 
1763 static char *mode_to_str[] = {
1764 	"exclusive",
1765 	"disabled",
1766 	"enabled",
1767 	"dual",
1768 };
1769 
1770 #define NEED_EXCH_OFFLOAD(_exchg) ((_exchg) > FW_DEF_EXCHANGES_CNT)
1771 static int qla_set_ini_mode(scsi_qla_host_t *vha, int op)
1772 {
1773 	int rc = 0;
1774 	enum {
1775 		NO_ACTION,
1776 		MODE_CHANGE_ACCEPT,
1777 		MODE_CHANGE_NO_ACTION,
1778 		TARGET_STILL_ACTIVE,
1779 	};
1780 	int action = NO_ACTION;
1781 	int set_mode = 0;
1782 	u8  eo_toggle = 0;	/* exchange offload flipped */
1783 
1784 	switch (vha->qlini_mode) {
1785 	case QLA2XXX_INI_MODE_DISABLED:
1786 		switch (op) {
1787 		case QLA2XXX_INI_MODE_DISABLED:
1788 			if (qla_tgt_mode_enabled(vha)) {
1789 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1790 				    vha->hw->flags.exchoffld_enabled)
1791 					eo_toggle = 1;
1792 				if (((vha->ql2xexchoffld !=
1793 				    vha->u_ql2xexchoffld) &&
1794 				    NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1795 				    eo_toggle) {
1796 					/*
1797 					 * The number of exchange to be offload
1798 					 * was tweaked or offload option was
1799 					 * flipped
1800 					 */
1801 					action = MODE_CHANGE_ACCEPT;
1802 				} else {
1803 					action = MODE_CHANGE_NO_ACTION;
1804 				}
1805 			} else {
1806 				action = MODE_CHANGE_NO_ACTION;
1807 			}
1808 			break;
1809 		case QLA2XXX_INI_MODE_EXCLUSIVE:
1810 			if (qla_tgt_mode_enabled(vha)) {
1811 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1812 				    vha->hw->flags.exchoffld_enabled)
1813 					eo_toggle = 1;
1814 				if (((vha->ql2xexchoffld !=
1815 				    vha->u_ql2xexchoffld) &&
1816 				    NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1817 				    eo_toggle) {
1818 					/*
1819 					 * The number of exchange to be offload
1820 					 * was tweaked or offload option was
1821 					 * flipped
1822 					 */
1823 					action = MODE_CHANGE_ACCEPT;
1824 				} else {
1825 					action = MODE_CHANGE_NO_ACTION;
1826 				}
1827 			} else {
1828 				action = MODE_CHANGE_ACCEPT;
1829 			}
1830 			break;
1831 		case QLA2XXX_INI_MODE_DUAL:
1832 			action = MODE_CHANGE_ACCEPT;
1833 			/* active_mode is target only, reset it to dual */
1834 			if (qla_tgt_mode_enabled(vha)) {
1835 				set_mode = 1;
1836 				action = MODE_CHANGE_ACCEPT;
1837 			} else {
1838 				action = MODE_CHANGE_NO_ACTION;
1839 			}
1840 			break;
1841 
1842 		case QLA2XXX_INI_MODE_ENABLED:
1843 			if (qla_tgt_mode_enabled(vha))
1844 				action = TARGET_STILL_ACTIVE;
1845 			else {
1846 				action = MODE_CHANGE_ACCEPT;
1847 				set_mode = 1;
1848 			}
1849 			break;
1850 		}
1851 		break;
1852 
1853 	case QLA2XXX_INI_MODE_EXCLUSIVE:
1854 		switch (op) {
1855 		case QLA2XXX_INI_MODE_EXCLUSIVE:
1856 			if (qla_tgt_mode_enabled(vha)) {
1857 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1858 				    vha->hw->flags.exchoffld_enabled)
1859 					eo_toggle = 1;
1860 				if (((vha->ql2xexchoffld !=
1861 				    vha->u_ql2xexchoffld) &&
1862 				    NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1863 				    eo_toggle)
1864 					/*
1865 					 * The number of exchange to be offload
1866 					 * was tweaked or offload option was
1867 					 * flipped
1868 					 */
1869 					action = MODE_CHANGE_ACCEPT;
1870 				else
1871 					action = NO_ACTION;
1872 			} else
1873 				action = NO_ACTION;
1874 
1875 			break;
1876 
1877 		case QLA2XXX_INI_MODE_DISABLED:
1878 			if (qla_tgt_mode_enabled(vha)) {
1879 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1880 				    vha->hw->flags.exchoffld_enabled)
1881 					eo_toggle = 1;
1882 				if (((vha->ql2xexchoffld !=
1883 				      vha->u_ql2xexchoffld) &&
1884 				    NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1885 				    eo_toggle)
1886 					action = MODE_CHANGE_ACCEPT;
1887 				else
1888 					action = MODE_CHANGE_NO_ACTION;
1889 			} else
1890 				action = MODE_CHANGE_NO_ACTION;
1891 			break;
1892 
1893 		case QLA2XXX_INI_MODE_DUAL: /* exclusive -> dual */
1894 			if (qla_tgt_mode_enabled(vha)) {
1895 				action = MODE_CHANGE_ACCEPT;
1896 				set_mode = 1;
1897 			} else
1898 				action = MODE_CHANGE_ACCEPT;
1899 			break;
1900 
1901 		case QLA2XXX_INI_MODE_ENABLED:
1902 			if (qla_tgt_mode_enabled(vha))
1903 				action = TARGET_STILL_ACTIVE;
1904 			else {
1905 				if (vha->hw->flags.fw_started)
1906 					action = MODE_CHANGE_NO_ACTION;
1907 				else
1908 					action = MODE_CHANGE_ACCEPT;
1909 			}
1910 			break;
1911 		}
1912 		break;
1913 
1914 	case QLA2XXX_INI_MODE_ENABLED:
1915 		switch (op) {
1916 		case QLA2XXX_INI_MODE_ENABLED:
1917 			if (NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg) !=
1918 			    vha->hw->flags.exchoffld_enabled)
1919 				eo_toggle = 1;
1920 			if (((vha->ql2xiniexchg != vha->u_ql2xiniexchg) &&
1921 				NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg)) ||
1922 			    eo_toggle)
1923 				action = MODE_CHANGE_ACCEPT;
1924 			else
1925 				action = NO_ACTION;
1926 			break;
1927 		case QLA2XXX_INI_MODE_DUAL:
1928 		case QLA2XXX_INI_MODE_DISABLED:
1929 			action = MODE_CHANGE_ACCEPT;
1930 			break;
1931 		default:
1932 			action = MODE_CHANGE_NO_ACTION;
1933 			break;
1934 		}
1935 		break;
1936 
1937 	case QLA2XXX_INI_MODE_DUAL:
1938 		switch (op) {
1939 		case QLA2XXX_INI_MODE_DUAL:
1940 			if (qla_tgt_mode_enabled(vha) ||
1941 			    qla_dual_mode_enabled(vha)) {
1942 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld +
1943 					vha->u_ql2xiniexchg) !=
1944 				    vha->hw->flags.exchoffld_enabled)
1945 					eo_toggle = 1;
1946 
1947 				if ((((vha->ql2xexchoffld +
1948 				       vha->ql2xiniexchg) !=
1949 				    (vha->u_ql2xiniexchg +
1950 				     vha->u_ql2xexchoffld)) &&
1951 				    NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg +
1952 					vha->u_ql2xexchoffld)) || eo_toggle)
1953 					action = MODE_CHANGE_ACCEPT;
1954 				else
1955 					action = NO_ACTION;
1956 			} else {
1957 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld +
1958 					vha->u_ql2xiniexchg) !=
1959 				    vha->hw->flags.exchoffld_enabled)
1960 					eo_toggle = 1;
1961 
1962 				if ((((vha->ql2xexchoffld + vha->ql2xiniexchg)
1963 				    != (vha->u_ql2xiniexchg +
1964 					vha->u_ql2xexchoffld)) &&
1965 				    NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg +
1966 					vha->u_ql2xexchoffld)) || eo_toggle)
1967 					action = MODE_CHANGE_NO_ACTION;
1968 				else
1969 					action = NO_ACTION;
1970 			}
1971 			break;
1972 
1973 		case QLA2XXX_INI_MODE_DISABLED:
1974 			if (qla_tgt_mode_enabled(vha) ||
1975 			    qla_dual_mode_enabled(vha)) {
1976 				/* turning off initiator mode */
1977 				set_mode = 1;
1978 				action = MODE_CHANGE_ACCEPT;
1979 			} else {
1980 				action = MODE_CHANGE_NO_ACTION;
1981 			}
1982 			break;
1983 
1984 		case QLA2XXX_INI_MODE_EXCLUSIVE:
1985 			if (qla_tgt_mode_enabled(vha) ||
1986 			    qla_dual_mode_enabled(vha)) {
1987 				set_mode = 1;
1988 				action = MODE_CHANGE_ACCEPT;
1989 			} else {
1990 				action = MODE_CHANGE_ACCEPT;
1991 			}
1992 			break;
1993 
1994 		case QLA2XXX_INI_MODE_ENABLED:
1995 			if (qla_tgt_mode_enabled(vha) ||
1996 			    qla_dual_mode_enabled(vha)) {
1997 				action = TARGET_STILL_ACTIVE;
1998 			} else {
1999 				action = MODE_CHANGE_ACCEPT;
2000 			}
2001 		}
2002 		break;
2003 	}
2004 
2005 	switch (action) {
2006 	case MODE_CHANGE_ACCEPT:
2007 		ql_log(ql_log_warn, vha, 0xffff,
2008 		    "Mode change accepted. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n",
2009 		    mode_to_str[vha->qlini_mode], mode_to_str[op],
2010 		    vha->ql2xexchoffld, vha->u_ql2xexchoffld,
2011 		    vha->ql2xiniexchg, vha->u_ql2xiniexchg);
2012 
2013 		vha->qlini_mode = op;
2014 		vha->ql2xexchoffld = vha->u_ql2xexchoffld;
2015 		vha->ql2xiniexchg = vha->u_ql2xiniexchg;
2016 		if (set_mode)
2017 			qlt_set_mode(vha);
2018 		vha->flags.online = 1;
2019 		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2020 		break;
2021 
2022 	case MODE_CHANGE_NO_ACTION:
2023 		ql_log(ql_log_warn, vha, 0xffff,
2024 		    "Mode is set. No action taken. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n",
2025 		    mode_to_str[vha->qlini_mode], mode_to_str[op],
2026 		    vha->ql2xexchoffld, vha->u_ql2xexchoffld,
2027 		    vha->ql2xiniexchg, vha->u_ql2xiniexchg);
2028 		vha->qlini_mode = op;
2029 		vha->ql2xexchoffld = vha->u_ql2xexchoffld;
2030 		vha->ql2xiniexchg = vha->u_ql2xiniexchg;
2031 		break;
2032 
2033 	case TARGET_STILL_ACTIVE:
2034 		ql_log(ql_log_warn, vha, 0xffff,
2035 		    "Target Mode is active. Unable to change Mode.\n");
2036 		break;
2037 
2038 	case NO_ACTION:
2039 	default:
2040 		ql_log(ql_log_warn, vha, 0xffff,
2041 		    "Mode unchange. No action taken. %d|%d pct %d|%d.\n",
2042 		    vha->qlini_mode, op,
2043 		    vha->ql2xexchoffld, vha->u_ql2xexchoffld);
2044 		break;
2045 	}
2046 
2047 	return rc;
2048 }
2049 
2050 static ssize_t
2051 qlini_mode_store(struct device *dev, struct device_attribute *attr,
2052     const char *buf, size_t count)
2053 {
2054 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2055 	int ini;
2056 
2057 	if (!buf)
2058 		return -EINVAL;
2059 
2060 	if (strncasecmp(QLA2XXX_INI_MODE_STR_EXCLUSIVE, buf,
2061 		strlen(QLA2XXX_INI_MODE_STR_EXCLUSIVE)) == 0)
2062 		ini = QLA2XXX_INI_MODE_EXCLUSIVE;
2063 	else if (strncasecmp(QLA2XXX_INI_MODE_STR_DISABLED, buf,
2064 		strlen(QLA2XXX_INI_MODE_STR_DISABLED)) == 0)
2065 		ini = QLA2XXX_INI_MODE_DISABLED;
2066 	else if (strncasecmp(QLA2XXX_INI_MODE_STR_ENABLED, buf,
2067 		  strlen(QLA2XXX_INI_MODE_STR_ENABLED)) == 0)
2068 		ini = QLA2XXX_INI_MODE_ENABLED;
2069 	else if (strncasecmp(QLA2XXX_INI_MODE_STR_DUAL, buf,
2070 		strlen(QLA2XXX_INI_MODE_STR_DUAL)) == 0)
2071 		ini = QLA2XXX_INI_MODE_DUAL;
2072 	else
2073 		return -EINVAL;
2074 
2075 	qla_set_ini_mode(vha, ini);
2076 	return strlen(buf);
2077 }
2078 
2079 static ssize_t
2080 ql2xexchoffld_show(struct device *dev, struct device_attribute *attr,
2081     char *buf)
2082 {
2083 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2084 	int len = 0;
2085 
2086 	len += scnprintf(buf + len, PAGE_SIZE-len,
2087 		"target exchange: new %d : current: %d\n\n",
2088 		vha->u_ql2xexchoffld, vha->ql2xexchoffld);
2089 
2090 	len += scnprintf(buf + len, PAGE_SIZE-len,
2091 	    "Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n",
2092 	    vha->host_no);
2093 
2094 	return len;
2095 }
2096 
2097 static ssize_t
2098 ql2xexchoffld_store(struct device *dev, struct device_attribute *attr,
2099     const char *buf, size_t count)
2100 {
2101 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2102 	int val = 0;
2103 
2104 	if (sscanf(buf, "%d", &val) != 1)
2105 		return -EINVAL;
2106 
2107 	if (val > FW_MAX_EXCHANGES_CNT)
2108 		val = FW_MAX_EXCHANGES_CNT;
2109 	else if (val < 0)
2110 		val = 0;
2111 
2112 	vha->u_ql2xexchoffld = val;
2113 	return strlen(buf);
2114 }
2115 
2116 static ssize_t
2117 ql2xiniexchg_show(struct device *dev, struct device_attribute *attr,
2118     char *buf)
2119 {
2120 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2121 	int len = 0;
2122 
2123 	len += scnprintf(buf + len, PAGE_SIZE-len,
2124 		"target exchange: new %d : current: %d\n\n",
2125 		vha->u_ql2xiniexchg, vha->ql2xiniexchg);
2126 
2127 	len += scnprintf(buf + len, PAGE_SIZE-len,
2128 	    "Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n",
2129 	    vha->host_no);
2130 
2131 	return len;
2132 }
2133 
2134 static ssize_t
2135 ql2xiniexchg_store(struct device *dev, struct device_attribute *attr,
2136     const char *buf, size_t count)
2137 {
2138 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2139 	int val = 0;
2140 
2141 	if (sscanf(buf, "%d", &val) != 1)
2142 		return -EINVAL;
2143 
2144 	if (val > FW_MAX_EXCHANGES_CNT)
2145 		val = FW_MAX_EXCHANGES_CNT;
2146 	else if (val < 0)
2147 		val = 0;
2148 
2149 	vha->u_ql2xiniexchg = val;
2150 	return strlen(buf);
2151 }
2152 
2153 static ssize_t
2154 qla2x00_dif_bundle_statistics_show(struct device *dev,
2155     struct device_attribute *attr, char *buf)
2156 {
2157 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2158 	struct qla_hw_data *ha = vha->hw;
2159 
2160 	return scnprintf(buf, PAGE_SIZE,
2161 	    "cross=%llu read=%llu write=%llu kalloc=%llu dma_alloc=%llu unusable=%u\n",
2162 	    ha->dif_bundle_crossed_pages, ha->dif_bundle_reads,
2163 	    ha->dif_bundle_writes, ha->dif_bundle_kallocs,
2164 	    ha->dif_bundle_dma_allocs, ha->pool.unusable.count);
2165 }
2166 
2167 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_driver_version_show, NULL);
2168 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
2169 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
2170 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
2171 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
2172 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
2173 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
2174 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
2175 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
2176 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
2177 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
2178 		   qla2x00_zio_timer_store);
2179 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
2180 		   qla2x00_beacon_store);
2181 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
2182 		   qla2x00_optrom_bios_version_show, NULL);
2183 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
2184 		   qla2x00_optrom_efi_version_show, NULL);
2185 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
2186 		   qla2x00_optrom_fcode_version_show, NULL);
2187 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
2188 		   NULL);
2189 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
2190     qla2x00_optrom_gold_fw_version_show, NULL);
2191 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
2192 		   NULL);
2193 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
2194 		   NULL);
2195 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
2196 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
2197 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
2198 		   NULL);
2199 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
2200 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
2201 		   qla2x00_vn_port_mac_address_show, NULL);
2202 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
2203 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
2204 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
2205 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
2206 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
2207 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
2208 static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR,
2209 		   qla2x00_allow_cna_fw_dump_show,
2210 		   qla2x00_allow_cna_fw_dump_store);
2211 static DEVICE_ATTR(pep_version, S_IRUGO, qla2x00_pep_version_show, NULL);
2212 static DEVICE_ATTR(min_link_speed, S_IRUGO, qla2x00_min_link_speed_show, NULL);
2213 static DEVICE_ATTR(max_speed_sup, S_IRUGO, qla2x00_max_speed_sup_show, NULL);
2214 static DEVICE_ATTR(zio_threshold, 0644,
2215     qla_zio_threshold_show,
2216     qla_zio_threshold_store);
2217 static DEVICE_ATTR_RW(qlini_mode);
2218 static DEVICE_ATTR_RW(ql2xexchoffld);
2219 static DEVICE_ATTR_RW(ql2xiniexchg);
2220 static DEVICE_ATTR(dif_bundle_statistics, 0444,
2221     qla2x00_dif_bundle_statistics_show, NULL);
2222 static DEVICE_ATTR(port_speed, 0644, qla2x00_port_speed_show,
2223     qla2x00_port_speed_store);
2224 
2225 
2226 struct device_attribute *qla2x00_host_attrs[] = {
2227 	&dev_attr_driver_version,
2228 	&dev_attr_fw_version,
2229 	&dev_attr_serial_num,
2230 	&dev_attr_isp_name,
2231 	&dev_attr_isp_id,
2232 	&dev_attr_model_name,
2233 	&dev_attr_model_desc,
2234 	&dev_attr_pci_info,
2235 	&dev_attr_link_state,
2236 	&dev_attr_zio,
2237 	&dev_attr_zio_timer,
2238 	&dev_attr_beacon,
2239 	&dev_attr_optrom_bios_version,
2240 	&dev_attr_optrom_efi_version,
2241 	&dev_attr_optrom_fcode_version,
2242 	&dev_attr_optrom_fw_version,
2243 	&dev_attr_84xx_fw_version,
2244 	&dev_attr_total_isp_aborts,
2245 	&dev_attr_mpi_version,
2246 	&dev_attr_phy_version,
2247 	&dev_attr_flash_block_size,
2248 	&dev_attr_vlan_id,
2249 	&dev_attr_vn_port_mac_address,
2250 	&dev_attr_fabric_param,
2251 	&dev_attr_fw_state,
2252 	&dev_attr_optrom_gold_fw_version,
2253 	&dev_attr_thermal_temp,
2254 	&dev_attr_diag_requests,
2255 	&dev_attr_diag_megabytes,
2256 	&dev_attr_fw_dump_size,
2257 	&dev_attr_allow_cna_fw_dump,
2258 	&dev_attr_pep_version,
2259 	&dev_attr_min_link_speed,
2260 	&dev_attr_max_speed_sup,
2261 	&dev_attr_zio_threshold,
2262 	&dev_attr_dif_bundle_statistics,
2263 	&dev_attr_port_speed,
2264 	NULL, /* reserve for qlini_mode */
2265 	NULL, /* reserve for ql2xiniexchg */
2266 	NULL, /* reserve for ql2xexchoffld */
2267 	NULL,
2268 };
2269 
2270 void qla_insert_tgt_attrs(void)
2271 {
2272 	struct device_attribute **attr;
2273 
2274 	/* advance to empty slot */
2275 	for (attr = &qla2x00_host_attrs[0]; *attr; ++attr)
2276 		continue;
2277 
2278 	*attr = &dev_attr_qlini_mode;
2279 	attr++;
2280 	*attr = &dev_attr_ql2xiniexchg;
2281 	attr++;
2282 	*attr = &dev_attr_ql2xexchoffld;
2283 }
2284 
2285 /* Host attributes. */
2286 
2287 static void
2288 qla2x00_get_host_port_id(struct Scsi_Host *shost)
2289 {
2290 	scsi_qla_host_t *vha = shost_priv(shost);
2291 
2292 	fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
2293 	    vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
2294 }
2295 
2296 static void
2297 qla2x00_get_host_speed(struct Scsi_Host *shost)
2298 {
2299 	struct qla_hw_data *ha = ((struct scsi_qla_host *)
2300 					(shost_priv(shost)))->hw;
2301 	u32 speed = FC_PORTSPEED_UNKNOWN;
2302 
2303 	if (IS_QLAFX00(ha)) {
2304 		qlafx00_get_host_speed(shost);
2305 		return;
2306 	}
2307 
2308 	switch (ha->link_data_rate) {
2309 	case PORT_SPEED_1GB:
2310 		speed = FC_PORTSPEED_1GBIT;
2311 		break;
2312 	case PORT_SPEED_2GB:
2313 		speed = FC_PORTSPEED_2GBIT;
2314 		break;
2315 	case PORT_SPEED_4GB:
2316 		speed = FC_PORTSPEED_4GBIT;
2317 		break;
2318 	case PORT_SPEED_8GB:
2319 		speed = FC_PORTSPEED_8GBIT;
2320 		break;
2321 	case PORT_SPEED_10GB:
2322 		speed = FC_PORTSPEED_10GBIT;
2323 		break;
2324 	case PORT_SPEED_16GB:
2325 		speed = FC_PORTSPEED_16GBIT;
2326 		break;
2327 	case PORT_SPEED_32GB:
2328 		speed = FC_PORTSPEED_32GBIT;
2329 		break;
2330 	}
2331 	fc_host_speed(shost) = speed;
2332 }
2333 
2334 static void
2335 qla2x00_get_host_port_type(struct Scsi_Host *shost)
2336 {
2337 	scsi_qla_host_t *vha = shost_priv(shost);
2338 	uint32_t port_type = FC_PORTTYPE_UNKNOWN;
2339 
2340 	if (vha->vp_idx) {
2341 		fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
2342 		return;
2343 	}
2344 	switch (vha->hw->current_topology) {
2345 	case ISP_CFG_NL:
2346 		port_type = FC_PORTTYPE_LPORT;
2347 		break;
2348 	case ISP_CFG_FL:
2349 		port_type = FC_PORTTYPE_NLPORT;
2350 		break;
2351 	case ISP_CFG_N:
2352 		port_type = FC_PORTTYPE_PTP;
2353 		break;
2354 	case ISP_CFG_F:
2355 		port_type = FC_PORTTYPE_NPORT;
2356 		break;
2357 	}
2358 	fc_host_port_type(shost) = port_type;
2359 }
2360 
2361 static void
2362 qla2x00_get_starget_node_name(struct scsi_target *starget)
2363 {
2364 	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2365 	scsi_qla_host_t *vha = shost_priv(host);
2366 	fc_port_t *fcport;
2367 	u64 node_name = 0;
2368 
2369 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
2370 		if (fcport->rport &&
2371 		    starget->id == fcport->rport->scsi_target_id) {
2372 			node_name = wwn_to_u64(fcport->node_name);
2373 			break;
2374 		}
2375 	}
2376 
2377 	fc_starget_node_name(starget) = node_name;
2378 }
2379 
2380 static void
2381 qla2x00_get_starget_port_name(struct scsi_target *starget)
2382 {
2383 	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2384 	scsi_qla_host_t *vha = shost_priv(host);
2385 	fc_port_t *fcport;
2386 	u64 port_name = 0;
2387 
2388 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
2389 		if (fcport->rport &&
2390 		    starget->id == fcport->rport->scsi_target_id) {
2391 			port_name = wwn_to_u64(fcport->port_name);
2392 			break;
2393 		}
2394 	}
2395 
2396 	fc_starget_port_name(starget) = port_name;
2397 }
2398 
2399 static void
2400 qla2x00_get_starget_port_id(struct scsi_target *starget)
2401 {
2402 	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2403 	scsi_qla_host_t *vha = shost_priv(host);
2404 	fc_port_t *fcport;
2405 	uint32_t port_id = ~0U;
2406 
2407 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
2408 		if (fcport->rport &&
2409 		    starget->id == fcport->rport->scsi_target_id) {
2410 			port_id = fcport->d_id.b.domain << 16 |
2411 			    fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2412 			break;
2413 		}
2414 	}
2415 
2416 	fc_starget_port_id(starget) = port_id;
2417 }
2418 
2419 static void
2420 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
2421 {
2422 	if (timeout)
2423 		rport->dev_loss_tmo = timeout;
2424 	else
2425 		rport->dev_loss_tmo = 1;
2426 }
2427 
2428 static void
2429 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
2430 {
2431 	struct Scsi_Host *host = rport_to_shost(rport);
2432 	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2433 	unsigned long flags;
2434 
2435 	if (!fcport)
2436 		return;
2437 
2438 	/* Now that the rport has been deleted, set the fcport state to
2439 	   FCS_DEVICE_DEAD */
2440 	qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
2441 
2442 	/*
2443 	 * Transport has effectively 'deleted' the rport, clear
2444 	 * all local references.
2445 	 */
2446 	spin_lock_irqsave(host->host_lock, flags);
2447 	fcport->rport = fcport->drport = NULL;
2448 	*((fc_port_t **)rport->dd_data) = NULL;
2449 	spin_unlock_irqrestore(host->host_lock, flags);
2450 
2451 	if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
2452 		return;
2453 
2454 	if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
2455 		qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
2456 		return;
2457 	}
2458 }
2459 
2460 static void
2461 qla2x00_terminate_rport_io(struct fc_rport *rport)
2462 {
2463 	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2464 
2465 	if (!fcport)
2466 		return;
2467 
2468 	if (test_bit(UNLOADING, &fcport->vha->dpc_flags))
2469 		return;
2470 
2471 	if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
2472 		return;
2473 
2474 	if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
2475 		qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
2476 		return;
2477 	}
2478 	/*
2479 	 * At this point all fcport's software-states are cleared.  Perform any
2480 	 * final cleanup of firmware resources (PCBs and XCBs).
2481 	 */
2482 	if (fcport->loop_id != FC_NO_LOOP_ID) {
2483 		if (IS_FWI2_CAPABLE(fcport->vha->hw))
2484 			fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
2485 			    fcport->loop_id, fcport->d_id.b.domain,
2486 			    fcport->d_id.b.area, fcport->d_id.b.al_pa);
2487 		else
2488 			qla2x00_port_logout(fcport->vha, fcport);
2489 	}
2490 }
2491 
2492 static int
2493 qla2x00_issue_lip(struct Scsi_Host *shost)
2494 {
2495 	scsi_qla_host_t *vha = shost_priv(shost);
2496 
2497 	if (IS_QLAFX00(vha->hw))
2498 		return 0;
2499 
2500 	qla2x00_loop_reset(vha);
2501 	return 0;
2502 }
2503 
2504 static struct fc_host_statistics *
2505 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
2506 {
2507 	scsi_qla_host_t *vha = shost_priv(shost);
2508 	struct qla_hw_data *ha = vha->hw;
2509 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2510 	int rval;
2511 	struct link_statistics *stats;
2512 	dma_addr_t stats_dma;
2513 	struct fc_host_statistics *p = &vha->fc_host_stat;
2514 
2515 	memset(p, -1, sizeof(*p));
2516 
2517 	if (IS_QLAFX00(vha->hw))
2518 		goto done;
2519 
2520 	if (test_bit(UNLOADING, &vha->dpc_flags))
2521 		goto done;
2522 
2523 	if (unlikely(pci_channel_offline(ha->pdev)))
2524 		goto done;
2525 
2526 	if (qla2x00_chip_is_down(vha))
2527 		goto done;
2528 
2529 	stats = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stats), &stats_dma,
2530 				   GFP_KERNEL);
2531 	if (!stats) {
2532 		ql_log(ql_log_warn, vha, 0x707d,
2533 		    "Failed to allocate memory for stats.\n");
2534 		goto done;
2535 	}
2536 
2537 	rval = QLA_FUNCTION_FAILED;
2538 	if (IS_FWI2_CAPABLE(ha)) {
2539 		rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, 0);
2540 	} else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
2541 	    !ha->dpc_active) {
2542 		/* Must be in a 'READY' state for statistics retrieval. */
2543 		rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
2544 						stats, stats_dma);
2545 	}
2546 
2547 	if (rval != QLA_SUCCESS)
2548 		goto done_free;
2549 
2550 	p->link_failure_count = stats->link_fail_cnt;
2551 	p->loss_of_sync_count = stats->loss_sync_cnt;
2552 	p->loss_of_signal_count = stats->loss_sig_cnt;
2553 	p->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
2554 	p->invalid_tx_word_count = stats->inval_xmit_word_cnt;
2555 	p->invalid_crc_count = stats->inval_crc_cnt;
2556 	if (IS_FWI2_CAPABLE(ha)) {
2557 		p->lip_count = stats->lip_cnt;
2558 		p->tx_frames = stats->tx_frames;
2559 		p->rx_frames = stats->rx_frames;
2560 		p->dumped_frames = stats->discarded_frames;
2561 		p->nos_count = stats->nos_rcvd;
2562 		p->error_frames =
2563 			stats->dropped_frames + stats->discarded_frames;
2564 		p->rx_words = vha->qla_stats.input_bytes;
2565 		p->tx_words = vha->qla_stats.output_bytes;
2566 	}
2567 	p->fcp_control_requests = vha->qla_stats.control_requests;
2568 	p->fcp_input_requests = vha->qla_stats.input_requests;
2569 	p->fcp_output_requests = vha->qla_stats.output_requests;
2570 	p->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
2571 	p->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
2572 	p->seconds_since_last_reset =
2573 		get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
2574 	do_div(p->seconds_since_last_reset, HZ);
2575 
2576 done_free:
2577 	dma_free_coherent(&ha->pdev->dev, sizeof(struct link_statistics),
2578 	    stats, stats_dma);
2579 done:
2580 	return p;
2581 }
2582 
2583 static void
2584 qla2x00_reset_host_stats(struct Scsi_Host *shost)
2585 {
2586 	scsi_qla_host_t *vha = shost_priv(shost);
2587 	struct qla_hw_data *ha = vha->hw;
2588 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2589 	struct link_statistics *stats;
2590 	dma_addr_t stats_dma;
2591 
2592 	memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2593 	memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2594 
2595 	vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2596 
2597 	if (IS_FWI2_CAPABLE(ha)) {
2598 		stats = dma_alloc_coherent(&ha->pdev->dev,
2599 		    sizeof(*stats), &stats_dma, GFP_KERNEL);
2600 		if (!stats) {
2601 			ql_log(ql_log_warn, vha, 0x70d7,
2602 			    "Failed to allocate memory for stats.\n");
2603 			return;
2604 		}
2605 
2606 		/* reset firmware statistics */
2607 		qla24xx_get_isp_stats(base_vha, stats, stats_dma, BIT_0);
2608 
2609 		dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
2610 		    stats, stats_dma);
2611 	}
2612 }
2613 
2614 static void
2615 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
2616 {
2617 	scsi_qla_host_t *vha = shost_priv(shost);
2618 
2619 	qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost),
2620 	    sizeof(fc_host_symbolic_name(shost)));
2621 }
2622 
2623 static void
2624 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
2625 {
2626 	scsi_qla_host_t *vha = shost_priv(shost);
2627 
2628 	set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
2629 }
2630 
2631 static void
2632 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
2633 {
2634 	scsi_qla_host_t *vha = shost_priv(shost);
2635 	uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
2636 		0xFF, 0xFF, 0xFF, 0xFF};
2637 	u64 fabric_name = wwn_to_u64(node_name);
2638 
2639 	if (vha->device_flags & SWITCH_FOUND)
2640 		fabric_name = wwn_to_u64(vha->fabric_node_name);
2641 
2642 	fc_host_fabric_name(shost) = fabric_name;
2643 }
2644 
2645 static void
2646 qla2x00_get_host_port_state(struct Scsi_Host *shost)
2647 {
2648 	scsi_qla_host_t *vha = shost_priv(shost);
2649 	struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
2650 
2651 	if (!base_vha->flags.online) {
2652 		fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
2653 		return;
2654 	}
2655 
2656 	switch (atomic_read(&base_vha->loop_state)) {
2657 	case LOOP_UPDATE:
2658 		fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
2659 		break;
2660 	case LOOP_DOWN:
2661 		if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
2662 			fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
2663 		else
2664 			fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
2665 		break;
2666 	case LOOP_DEAD:
2667 		fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
2668 		break;
2669 	case LOOP_READY:
2670 		fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
2671 		break;
2672 	default:
2673 		fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
2674 		break;
2675 	}
2676 }
2677 
2678 static int
2679 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
2680 {
2681 	int	ret = 0;
2682 	uint8_t	qos = 0;
2683 	scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
2684 	scsi_qla_host_t *vha = NULL;
2685 	struct qla_hw_data *ha = base_vha->hw;
2686 	int	cnt;
2687 	struct req_que *req = ha->req_q_map[0];
2688 	struct qla_qpair *qpair;
2689 
2690 	ret = qla24xx_vport_create_req_sanity_check(fc_vport);
2691 	if (ret) {
2692 		ql_log(ql_log_warn, vha, 0x707e,
2693 		    "Vport sanity check failed, status %x\n", ret);
2694 		return (ret);
2695 	}
2696 
2697 	vha = qla24xx_create_vhost(fc_vport);
2698 	if (vha == NULL) {
2699 		ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
2700 		return FC_VPORT_FAILED;
2701 	}
2702 	if (disable) {
2703 		atomic_set(&vha->vp_state, VP_OFFLINE);
2704 		fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
2705 	} else
2706 		atomic_set(&vha->vp_state, VP_FAILED);
2707 
2708 	/* ready to create vport */
2709 	ql_log(ql_log_info, vha, 0x7080,
2710 	    "VP entry id %d assigned.\n", vha->vp_idx);
2711 
2712 	/* initialized vport states */
2713 	atomic_set(&vha->loop_state, LOOP_DOWN);
2714 	vha->vp_err_state=  VP_ERR_PORTDWN;
2715 	vha->vp_prev_err_state=  VP_ERR_UNKWN;
2716 	/* Check if physical ha port is Up */
2717 	if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
2718 	    atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
2719 		/* Don't retry or attempt login of this virtual port */
2720 		ql_dbg(ql_dbg_user, vha, 0x7081,
2721 		    "Vport loop state is not UP.\n");
2722 		atomic_set(&vha->loop_state, LOOP_DEAD);
2723 		if (!disable)
2724 			fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
2725 	}
2726 
2727 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2728 		if (ha->fw_attributes & BIT_4) {
2729 			int prot = 0, guard;
2730 			vha->flags.difdix_supported = 1;
2731 			ql_dbg(ql_dbg_user, vha, 0x7082,
2732 			    "Registered for DIF/DIX type 1 and 3 protection.\n");
2733 			if (ql2xenabledif == 1)
2734 				prot = SHOST_DIX_TYPE0_PROTECTION;
2735 			scsi_host_set_prot(vha->host,
2736 			    prot | SHOST_DIF_TYPE1_PROTECTION
2737 			    | SHOST_DIF_TYPE2_PROTECTION
2738 			    | SHOST_DIF_TYPE3_PROTECTION
2739 			    | SHOST_DIX_TYPE1_PROTECTION
2740 			    | SHOST_DIX_TYPE2_PROTECTION
2741 			    | SHOST_DIX_TYPE3_PROTECTION);
2742 
2743 			guard = SHOST_DIX_GUARD_CRC;
2744 
2745 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
2746 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2747 				guard |= SHOST_DIX_GUARD_IP;
2748 
2749 			scsi_host_set_guard(vha->host, guard);
2750 		} else
2751 			vha->flags.difdix_supported = 0;
2752 	}
2753 
2754 	if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
2755 				   &ha->pdev->dev)) {
2756 		ql_dbg(ql_dbg_user, vha, 0x7083,
2757 		    "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
2758 		goto vport_create_failed_2;
2759 	}
2760 
2761 	/* initialize attributes */
2762 	fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2763 	fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2764 	fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2765 	fc_host_supported_classes(vha->host) =
2766 		fc_host_supported_classes(base_vha->host);
2767 	fc_host_supported_speeds(vha->host) =
2768 		fc_host_supported_speeds(base_vha->host);
2769 
2770 	qlt_vport_create(vha, ha);
2771 	qla24xx_vport_disable(fc_vport, disable);
2772 
2773 	if (!ql2xmqsupport || !ha->npiv_info)
2774 		goto vport_queue;
2775 
2776 	/* Create a request queue in QoS mode for the vport */
2777 	for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
2778 		if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
2779 			&& memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
2780 					8) == 0) {
2781 			qos = ha->npiv_info[cnt].q_qos;
2782 			break;
2783 		}
2784 	}
2785 
2786 	if (qos) {
2787 		qpair = qla2xxx_create_qpair(vha, qos, vha->vp_idx, true);
2788 		if (!qpair)
2789 			ql_log(ql_log_warn, vha, 0x7084,
2790 			    "Can't create qpair for VP[%d]\n",
2791 			    vha->vp_idx);
2792 		else {
2793 			ql_dbg(ql_dbg_multiq, vha, 0xc001,
2794 			    "Queue pair: %d Qos: %d) created for VP[%d]\n",
2795 			    qpair->id, qos, vha->vp_idx);
2796 			ql_dbg(ql_dbg_user, vha, 0x7085,
2797 			    "Queue Pair: %d Qos: %d) created for VP[%d]\n",
2798 			    qpair->id, qos, vha->vp_idx);
2799 			req = qpair->req;
2800 			vha->qpair = qpair;
2801 		}
2802 	}
2803 
2804 vport_queue:
2805 	vha->req = req;
2806 	return 0;
2807 
2808 vport_create_failed_2:
2809 	qla24xx_disable_vp(vha);
2810 	qla24xx_deallocate_vp_id(vha);
2811 	scsi_host_put(vha->host);
2812 	return FC_VPORT_FAILED;
2813 }
2814 
2815 static int
2816 qla24xx_vport_delete(struct fc_vport *fc_vport)
2817 {
2818 	scsi_qla_host_t *vha = fc_vport->dd_data;
2819 	struct qla_hw_data *ha = vha->hw;
2820 	uint16_t id = vha->vp_idx;
2821 
2822 	while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
2823 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
2824 		msleep(1000);
2825 
2826 	qla_nvme_delete(vha);
2827 
2828 	qla24xx_disable_vp(vha);
2829 	qla2x00_wait_for_sess_deletion(vha);
2830 
2831 	vha->flags.delete_progress = 1;
2832 
2833 	qlt_remove_target(ha, vha);
2834 
2835 	fc_remove_host(vha->host);
2836 
2837 	scsi_remove_host(vha->host);
2838 
2839 	/* Allow timer to run to drain queued items, when removing vp */
2840 	qla24xx_deallocate_vp_id(vha);
2841 
2842 	if (vha->timer_active) {
2843 		qla2x00_vp_stop_timer(vha);
2844 		ql_dbg(ql_dbg_user, vha, 0x7086,
2845 		    "Timer for the VP[%d] has stopped\n", vha->vp_idx);
2846 	}
2847 
2848 	qla2x00_free_fcports(vha);
2849 
2850 	mutex_lock(&ha->vport_lock);
2851 	ha->cur_vport_count--;
2852 	clear_bit(vha->vp_idx, ha->vp_idx_map);
2853 	mutex_unlock(&ha->vport_lock);
2854 
2855 	dma_free_coherent(&ha->pdev->dev, vha->gnl.size, vha->gnl.l,
2856 	    vha->gnl.ldma);
2857 
2858 	vfree(vha->scan.l);
2859 
2860 	if (vha->qpair && vha->qpair->vp_idx == vha->vp_idx) {
2861 		if (qla2xxx_delete_qpair(vha, vha->qpair) != QLA_SUCCESS)
2862 			ql_log(ql_log_warn, vha, 0x7087,
2863 			    "Queue Pair delete failed.\n");
2864 	}
2865 
2866 	ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
2867 	scsi_host_put(vha->host);
2868 	return 0;
2869 }
2870 
2871 static int
2872 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
2873 {
2874 	scsi_qla_host_t *vha = fc_vport->dd_data;
2875 
2876 	if (disable)
2877 		qla24xx_disable_vp(vha);
2878 	else
2879 		qla24xx_enable_vp(vha);
2880 
2881 	return 0;
2882 }
2883 
2884 struct fc_function_template qla2xxx_transport_functions = {
2885 
2886 	.show_host_node_name = 1,
2887 	.show_host_port_name = 1,
2888 	.show_host_supported_classes = 1,
2889 	.show_host_supported_speeds = 1,
2890 
2891 	.get_host_port_id = qla2x00_get_host_port_id,
2892 	.show_host_port_id = 1,
2893 	.get_host_speed = qla2x00_get_host_speed,
2894 	.show_host_speed = 1,
2895 	.get_host_port_type = qla2x00_get_host_port_type,
2896 	.show_host_port_type = 1,
2897 	.get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2898 	.show_host_symbolic_name = 1,
2899 	.set_host_system_hostname = qla2x00_set_host_system_hostname,
2900 	.show_host_system_hostname = 1,
2901 	.get_host_fabric_name = qla2x00_get_host_fabric_name,
2902 	.show_host_fabric_name = 1,
2903 	.get_host_port_state = qla2x00_get_host_port_state,
2904 	.show_host_port_state = 1,
2905 
2906 	.dd_fcrport_size = sizeof(struct fc_port *),
2907 	.show_rport_supported_classes = 1,
2908 
2909 	.get_starget_node_name = qla2x00_get_starget_node_name,
2910 	.show_starget_node_name = 1,
2911 	.get_starget_port_name = qla2x00_get_starget_port_name,
2912 	.show_starget_port_name = 1,
2913 	.get_starget_port_id  = qla2x00_get_starget_port_id,
2914 	.show_starget_port_id = 1,
2915 
2916 	.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2917 	.show_rport_dev_loss_tmo = 1,
2918 
2919 	.issue_fc_host_lip = qla2x00_issue_lip,
2920 	.dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2921 	.terminate_rport_io = qla2x00_terminate_rport_io,
2922 	.get_fc_host_stats = qla2x00_get_fc_host_stats,
2923 	.reset_fc_host_stats = qla2x00_reset_host_stats,
2924 
2925 	.vport_create = qla24xx_vport_create,
2926 	.vport_disable = qla24xx_vport_disable,
2927 	.vport_delete = qla24xx_vport_delete,
2928 	.bsg_request = qla24xx_bsg_request,
2929 	.bsg_timeout = qla24xx_bsg_timeout,
2930 };
2931 
2932 struct fc_function_template qla2xxx_transport_vport_functions = {
2933 
2934 	.show_host_node_name = 1,
2935 	.show_host_port_name = 1,
2936 	.show_host_supported_classes = 1,
2937 
2938 	.get_host_port_id = qla2x00_get_host_port_id,
2939 	.show_host_port_id = 1,
2940 	.get_host_speed = qla2x00_get_host_speed,
2941 	.show_host_speed = 1,
2942 	.get_host_port_type = qla2x00_get_host_port_type,
2943 	.show_host_port_type = 1,
2944 	.get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2945 	.show_host_symbolic_name = 1,
2946 	.set_host_system_hostname = qla2x00_set_host_system_hostname,
2947 	.show_host_system_hostname = 1,
2948 	.get_host_fabric_name = qla2x00_get_host_fabric_name,
2949 	.show_host_fabric_name = 1,
2950 	.get_host_port_state = qla2x00_get_host_port_state,
2951 	.show_host_port_state = 1,
2952 
2953 	.dd_fcrport_size = sizeof(struct fc_port *),
2954 	.show_rport_supported_classes = 1,
2955 
2956 	.get_starget_node_name = qla2x00_get_starget_node_name,
2957 	.show_starget_node_name = 1,
2958 	.get_starget_port_name = qla2x00_get_starget_port_name,
2959 	.show_starget_port_name = 1,
2960 	.get_starget_port_id  = qla2x00_get_starget_port_id,
2961 	.show_starget_port_id = 1,
2962 
2963 	.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2964 	.show_rport_dev_loss_tmo = 1,
2965 
2966 	.issue_fc_host_lip = qla2x00_issue_lip,
2967 	.dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2968 	.terminate_rport_io = qla2x00_terminate_rport_io,
2969 	.get_fc_host_stats = qla2x00_get_fc_host_stats,
2970 	.reset_fc_host_stats = qla2x00_reset_host_stats,
2971 
2972 	.bsg_request = qla24xx_bsg_request,
2973 	.bsg_timeout = qla24xx_bsg_timeout,
2974 };
2975 
2976 void
2977 qla2x00_init_host_attr(scsi_qla_host_t *vha)
2978 {
2979 	struct qla_hw_data *ha = vha->hw;
2980 	u32 speed = FC_PORTSPEED_UNKNOWN;
2981 
2982 	fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2983 	fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2984 	fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2985 	fc_host_supported_classes(vha->host) = ha->base_qpair->enable_class_2 ?
2986 			(FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
2987 	fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
2988 	fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
2989 
2990 	if (IS_CNA_CAPABLE(ha))
2991 		speed = FC_PORTSPEED_10GBIT;
2992 	else if (IS_QLA2031(ha))
2993 		speed = FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
2994 		    FC_PORTSPEED_4GBIT;
2995 	else if (IS_QLA25XX(ha))
2996 		speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2997 		    FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2998 	else if (IS_QLA24XX_TYPE(ha))
2999 		speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
3000 		    FC_PORTSPEED_1GBIT;
3001 	else if (IS_QLA23XX(ha))
3002 		speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
3003 	else if (IS_QLAFX00(ha))
3004 		speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
3005 		    FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
3006 	else if (IS_QLA27XX(ha))
3007 		speed = FC_PORTSPEED_32GBIT | FC_PORTSPEED_16GBIT |
3008 		    FC_PORTSPEED_8GBIT;
3009 	else
3010 		speed = FC_PORTSPEED_1GBIT;
3011 	fc_host_supported_speeds(vha->host) = speed;
3012 }
3013