xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_attr.c (revision d0b73b48)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2012 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_QLA82XX(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_QLA82XX(vha->hw)) {
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
99 			qla2x00_system_error(vha);
100 		break;
101 	case 4:
102 		if (IS_QLA82XX(ha)) {
103 			if (ha->md_tmplt_hdr)
104 				ql_dbg(ql_dbg_user, vha, 0x705b,
105 				    "MiniDump supported with this firmware.\n");
106 			else
107 				ql_dbg(ql_dbg_user, vha, 0x709d,
108 				    "MiniDump not supported with this firmware.\n");
109 		}
110 		break;
111 	case 5:
112 		if (IS_QLA82XX(ha))
113 			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
114 		break;
115 	case 6:
116 		if (!ha->mctp_dump_reading)
117 			break;
118 		ql_log(ql_log_info, vha, 0x70c1,
119 		    "MCTP dump cleared on (%ld).\n", vha->host_no);
120 		ha->mctp_dump_reading = 0;
121 		ha->mctp_dumped = 0;
122 		break;
123 	case 7:
124 		if (ha->mctp_dumped && !ha->mctp_dump_reading) {
125 			ha->mctp_dump_reading = 1;
126 			ql_log(ql_log_info, vha, 0x70c2,
127 			    "Raw mctp dump ready for read on (%ld).\n",
128 			    vha->host_no);
129 		}
130 		break;
131 	}
132 	return count;
133 }
134 
135 static struct bin_attribute sysfs_fw_dump_attr = {
136 	.attr = {
137 		.name = "fw_dump",
138 		.mode = S_IRUSR | S_IWUSR,
139 	},
140 	.size = 0,
141 	.read = qla2x00_sysfs_read_fw_dump,
142 	.write = qla2x00_sysfs_write_fw_dump,
143 };
144 
145 static ssize_t
146 qla2x00_sysfs_read_nvram(struct file *filp, struct kobject *kobj,
147 			 struct bin_attribute *bin_attr,
148 			 char *buf, loff_t off, size_t count)
149 {
150 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
151 	    struct device, kobj)));
152 	struct qla_hw_data *ha = vha->hw;
153 
154 	if (!capable(CAP_SYS_ADMIN))
155 		return 0;
156 
157 	if (IS_NOCACHE_VPD_TYPE(ha))
158 		ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
159 		    ha->nvram_size);
160 	return memory_read_from_buffer(buf, count, &off, ha->nvram,
161 					ha->nvram_size);
162 }
163 
164 static ssize_t
165 qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
166 			  struct bin_attribute *bin_attr,
167 			  char *buf, loff_t off, size_t count)
168 {
169 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
170 	    struct device, kobj)));
171 	struct qla_hw_data *ha = vha->hw;
172 	uint16_t	cnt;
173 
174 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
175 	    !ha->isp_ops->write_nvram)
176 		return -EINVAL;
177 
178 	/* Checksum NVRAM. */
179 	if (IS_FWI2_CAPABLE(ha)) {
180 		uint32_t *iter;
181 		uint32_t chksum;
182 
183 		iter = (uint32_t *)buf;
184 		chksum = 0;
185 		for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
186 			chksum += le32_to_cpu(*iter++);
187 		chksum = ~chksum + 1;
188 		*iter = cpu_to_le32(chksum);
189 	} else {
190 		uint8_t *iter;
191 		uint8_t chksum;
192 
193 		iter = (uint8_t *)buf;
194 		chksum = 0;
195 		for (cnt = 0; cnt < count - 1; cnt++)
196 			chksum += *iter++;
197 		chksum = ~chksum + 1;
198 		*iter = chksum;
199 	}
200 
201 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
202 		ql_log(ql_log_warn, vha, 0x705f,
203 		    "HBA not online, failing NVRAM update.\n");
204 		return -EAGAIN;
205 	}
206 
207 	/* Write NVRAM. */
208 	ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
209 	ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
210 	    count);
211 
212 	ql_dbg(ql_dbg_user, vha, 0x7060,
213 	    "Setting ISP_ABORT_NEEDED\n");
214 	/* NVRAM settings take effect immediately. */
215 	set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
216 	qla2xxx_wake_dpc(vha);
217 	qla2x00_wait_for_chip_reset(vha);
218 
219 	return count;
220 }
221 
222 static struct bin_attribute sysfs_nvram_attr = {
223 	.attr = {
224 		.name = "nvram",
225 		.mode = S_IRUSR | S_IWUSR,
226 	},
227 	.size = 512,
228 	.read = qla2x00_sysfs_read_nvram,
229 	.write = qla2x00_sysfs_write_nvram,
230 };
231 
232 static ssize_t
233 qla2x00_sysfs_read_optrom(struct file *filp, struct kobject *kobj,
234 			  struct bin_attribute *bin_attr,
235 			  char *buf, loff_t off, size_t count)
236 {
237 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
238 	    struct device, kobj)));
239 	struct qla_hw_data *ha = vha->hw;
240 
241 	if (ha->optrom_state != QLA_SREADING)
242 		return 0;
243 
244 	return memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
245 					ha->optrom_region_size);
246 }
247 
248 static ssize_t
249 qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
250 			   struct bin_attribute *bin_attr,
251 			   char *buf, loff_t off, size_t count)
252 {
253 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
254 	    struct device, kobj)));
255 	struct qla_hw_data *ha = vha->hw;
256 
257 	if (ha->optrom_state != QLA_SWRITING)
258 		return -EINVAL;
259 	if (off > ha->optrom_region_size)
260 		return -ERANGE;
261 	if (off + count > ha->optrom_region_size)
262 		count = ha->optrom_region_size - off;
263 
264 	memcpy(&ha->optrom_buffer[off], buf, count);
265 
266 	return count;
267 }
268 
269 static struct bin_attribute sysfs_optrom_attr = {
270 	.attr = {
271 		.name = "optrom",
272 		.mode = S_IRUSR | S_IWUSR,
273 	},
274 	.size = 0,
275 	.read = qla2x00_sysfs_read_optrom,
276 	.write = qla2x00_sysfs_write_optrom,
277 };
278 
279 static ssize_t
280 qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
281 			       struct bin_attribute *bin_attr,
282 			       char *buf, loff_t off, size_t count)
283 {
284 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
285 	    struct device, kobj)));
286 	struct qla_hw_data *ha = vha->hw;
287 
288 	uint32_t start = 0;
289 	uint32_t size = ha->optrom_size;
290 	int val, valid;
291 
292 	if (off)
293 		return -EINVAL;
294 
295 	if (unlikely(pci_channel_offline(ha->pdev)))
296 		return -EAGAIN;
297 
298 	if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
299 		return -EINVAL;
300 	if (start > ha->optrom_size)
301 		return -EINVAL;
302 
303 	switch (val) {
304 	case 0:
305 		if (ha->optrom_state != QLA_SREADING &&
306 		    ha->optrom_state != QLA_SWRITING)
307 			return -EINVAL;
308 
309 		ha->optrom_state = QLA_SWAITING;
310 
311 		ql_dbg(ql_dbg_user, vha, 0x7061,
312 		    "Freeing flash region allocation -- 0x%x bytes.\n",
313 		    ha->optrom_region_size);
314 
315 		vfree(ha->optrom_buffer);
316 		ha->optrom_buffer = NULL;
317 		break;
318 	case 1:
319 		if (ha->optrom_state != QLA_SWAITING)
320 			return -EINVAL;
321 
322 		ha->optrom_region_start = start;
323 		ha->optrom_region_size = start + size > ha->optrom_size ?
324 		    ha->optrom_size - start : size;
325 
326 		ha->optrom_state = QLA_SREADING;
327 		ha->optrom_buffer = vmalloc(ha->optrom_region_size);
328 		if (ha->optrom_buffer == NULL) {
329 			ql_log(ql_log_warn, vha, 0x7062,
330 			    "Unable to allocate memory for optrom retrieval "
331 			    "(%x).\n", ha->optrom_region_size);
332 
333 			ha->optrom_state = QLA_SWAITING;
334 			return -ENOMEM;
335 		}
336 
337 		if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
338 			ql_log(ql_log_warn, vha, 0x7063,
339 			    "HBA not online, failing NVRAM update.\n");
340 			return -EAGAIN;
341 		}
342 
343 		ql_dbg(ql_dbg_user, vha, 0x7064,
344 		    "Reading flash region -- 0x%x/0x%x.\n",
345 		    ha->optrom_region_start, ha->optrom_region_size);
346 
347 		memset(ha->optrom_buffer, 0, ha->optrom_region_size);
348 		ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
349 		    ha->optrom_region_start, ha->optrom_region_size);
350 		break;
351 	case 2:
352 		if (ha->optrom_state != QLA_SWAITING)
353 			return -EINVAL;
354 
355 		/*
356 		 * We need to be more restrictive on which FLASH regions are
357 		 * allowed to be updated via user-space.  Regions accessible
358 		 * via this method include:
359 		 *
360 		 * ISP21xx/ISP22xx/ISP23xx type boards:
361 		 *
362 		 * 	0x000000 -> 0x020000 -- Boot code.
363 		 *
364 		 * ISP2322/ISP24xx type boards:
365 		 *
366 		 * 	0x000000 -> 0x07ffff -- Boot code.
367 		 * 	0x080000 -> 0x0fffff -- Firmware.
368 		 *
369 		 * ISP25xx type boards:
370 		 *
371 		 * 	0x000000 -> 0x07ffff -- Boot code.
372 		 * 	0x080000 -> 0x0fffff -- Firmware.
373 		 * 	0x120000 -> 0x12ffff -- VPD and HBA parameters.
374 		 */
375 		valid = 0;
376 		if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
377 			valid = 1;
378 		else if (start == (ha->flt_region_boot * 4) ||
379 		    start == (ha->flt_region_fw * 4))
380 			valid = 1;
381 		else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)
382 			|| IS_CNA_CAPABLE(ha) || IS_QLA2031(ha))
383 			valid = 1;
384 		if (!valid) {
385 			ql_log(ql_log_warn, vha, 0x7065,
386 			    "Invalid start region 0x%x/0x%x.\n", start, size);
387 			return -EINVAL;
388 		}
389 
390 		ha->optrom_region_start = start;
391 		ha->optrom_region_size = start + size > ha->optrom_size ?
392 		    ha->optrom_size - start : size;
393 
394 		ha->optrom_state = QLA_SWRITING;
395 		ha->optrom_buffer = vmalloc(ha->optrom_region_size);
396 		if (ha->optrom_buffer == NULL) {
397 			ql_log(ql_log_warn, vha, 0x7066,
398 			    "Unable to allocate memory for optrom update "
399 			    "(%x)\n", ha->optrom_region_size);
400 
401 			ha->optrom_state = QLA_SWAITING;
402 			return -ENOMEM;
403 		}
404 
405 		ql_dbg(ql_dbg_user, vha, 0x7067,
406 		    "Staging flash region write -- 0x%x/0x%x.\n",
407 		    ha->optrom_region_start, ha->optrom_region_size);
408 
409 		memset(ha->optrom_buffer, 0, ha->optrom_region_size);
410 		break;
411 	case 3:
412 		if (ha->optrom_state != QLA_SWRITING)
413 			return -EINVAL;
414 
415 		if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
416 			ql_log(ql_log_warn, vha, 0x7068,
417 			    "HBA not online, failing flash update.\n");
418 			return -EAGAIN;
419 		}
420 
421 		ql_dbg(ql_dbg_user, vha, 0x7069,
422 		    "Writing flash region -- 0x%x/0x%x.\n",
423 		    ha->optrom_region_start, ha->optrom_region_size);
424 
425 		ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
426 		    ha->optrom_region_start, ha->optrom_region_size);
427 		break;
428 	default:
429 		return -EINVAL;
430 	}
431 	return count;
432 }
433 
434 static struct bin_attribute sysfs_optrom_ctl_attr = {
435 	.attr = {
436 		.name = "optrom_ctl",
437 		.mode = S_IWUSR,
438 	},
439 	.size = 0,
440 	.write = qla2x00_sysfs_write_optrom_ctl,
441 };
442 
443 static ssize_t
444 qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
445 		       struct bin_attribute *bin_attr,
446 		       char *buf, loff_t off, size_t count)
447 {
448 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
449 	    struct device, kobj)));
450 	struct qla_hw_data *ha = vha->hw;
451 
452 	if (unlikely(pci_channel_offline(ha->pdev)))
453 		return -EAGAIN;
454 
455 	if (!capable(CAP_SYS_ADMIN))
456 		return -EINVAL;
457 
458 	if (IS_NOCACHE_VPD_TYPE(ha))
459 		ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
460 		    ha->vpd_size);
461 	return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
462 }
463 
464 static ssize_t
465 qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
466 			struct bin_attribute *bin_attr,
467 			char *buf, loff_t off, size_t count)
468 {
469 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
470 	    struct device, kobj)));
471 	struct qla_hw_data *ha = vha->hw;
472 	uint8_t *tmp_data;
473 
474 	if (unlikely(pci_channel_offline(ha->pdev)))
475 		return 0;
476 
477 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
478 	    !ha->isp_ops->write_nvram)
479 		return 0;
480 
481 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
482 		ql_log(ql_log_warn, vha, 0x706a,
483 		    "HBA not online, failing VPD update.\n");
484 		return -EAGAIN;
485 	}
486 
487 	/* Write NVRAM. */
488 	ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
489 	ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
490 
491 	/* Update flash version information for 4Gb & above. */
492 	if (!IS_FWI2_CAPABLE(ha))
493 		return -EINVAL;
494 
495 	tmp_data = vmalloc(256);
496 	if (!tmp_data) {
497 		ql_log(ql_log_warn, vha, 0x706b,
498 		    "Unable to allocate memory for VPD information update.\n");
499 		return -ENOMEM;
500 	}
501 	ha->isp_ops->get_flash_version(vha, tmp_data);
502 	vfree(tmp_data);
503 
504 	return count;
505 }
506 
507 static struct bin_attribute sysfs_vpd_attr = {
508 	.attr = {
509 		.name = "vpd",
510 		.mode = S_IRUSR | S_IWUSR,
511 	},
512 	.size = 0,
513 	.read = qla2x00_sysfs_read_vpd,
514 	.write = qla2x00_sysfs_write_vpd,
515 };
516 
517 static ssize_t
518 qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
519 		       struct bin_attribute *bin_attr,
520 		       char *buf, loff_t off, size_t count)
521 {
522 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
523 	    struct device, kobj)));
524 	struct qla_hw_data *ha = vha->hw;
525 	uint16_t iter, addr, offset;
526 	int rval;
527 
528 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
529 		return 0;
530 
531 	if (ha->sfp_data)
532 		goto do_read;
533 
534 	ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
535 	    &ha->sfp_data_dma);
536 	if (!ha->sfp_data) {
537 		ql_log(ql_log_warn, vha, 0x706c,
538 		    "Unable to allocate memory for SFP read-data.\n");
539 		return 0;
540 	}
541 
542 do_read:
543 	memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
544 	addr = 0xa0;
545 	for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
546 	    iter++, offset += SFP_BLOCK_SIZE) {
547 		if (iter == 4) {
548 			/* Skip to next device address. */
549 			addr = 0xa2;
550 			offset = 0;
551 		}
552 
553 		rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, ha->sfp_data,
554 		    addr, offset, SFP_BLOCK_SIZE, 0);
555 		if (rval != QLA_SUCCESS) {
556 			ql_log(ql_log_warn, vha, 0x706d,
557 			    "Unable to read SFP data (%x/%x/%x).\n", rval,
558 			    addr, offset);
559 
560 			return -EIO;
561 		}
562 		memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
563 		buf += SFP_BLOCK_SIZE;
564 	}
565 
566 	return count;
567 }
568 
569 static struct bin_attribute sysfs_sfp_attr = {
570 	.attr = {
571 		.name = "sfp",
572 		.mode = S_IRUSR | S_IWUSR,
573 	},
574 	.size = SFP_DEV_SIZE * 2,
575 	.read = qla2x00_sysfs_read_sfp,
576 };
577 
578 static ssize_t
579 qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
580 			struct bin_attribute *bin_attr,
581 			char *buf, loff_t off, size_t count)
582 {
583 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
584 	    struct device, kobj)));
585 	struct qla_hw_data *ha = vha->hw;
586 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
587 	int type;
588 	uint32_t idc_control;
589 
590 	if (off != 0)
591 		return -EINVAL;
592 
593 	type = simple_strtol(buf, NULL, 10);
594 	switch (type) {
595 	case 0x2025c:
596 		ql_log(ql_log_info, vha, 0x706e,
597 		    "Issuing ISP reset.\n");
598 
599 		scsi_block_requests(vha->host);
600 		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
601 		if (IS_QLA82XX(ha)) {
602 			ha->flags.isp82xx_no_md_cap = 1;
603 			qla82xx_idc_lock(ha);
604 			qla82xx_set_reset_owner(vha);
605 			qla82xx_idc_unlock(ha);
606 		}
607 		qla2xxx_wake_dpc(vha);
608 		qla2x00_wait_for_chip_reset(vha);
609 		scsi_unblock_requests(vha->host);
610 		break;
611 	case 0x2025d:
612 		if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
613 			return -EPERM;
614 
615 		ql_log(ql_log_info, vha, 0x706f,
616 		    "Issuing MPI reset.\n");
617 
618 		if (IS_QLA83XX(ha)) {
619 			uint32_t idc_control;
620 
621 			qla83xx_idc_lock(vha, 0);
622 			__qla83xx_get_idc_control(vha, &idc_control);
623 			idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
624 			__qla83xx_set_idc_control(vha, idc_control);
625 			qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
626 			    QLA8XXX_DEV_NEED_RESET);
627 			qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
628 			qla83xx_idc_unlock(vha, 0);
629 			break;
630 		} else {
631 			/* Make sure FC side is not in reset */
632 			qla2x00_wait_for_hba_online(vha);
633 
634 			/* Issue MPI reset */
635 			scsi_block_requests(vha->host);
636 			if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
637 				ql_log(ql_log_warn, vha, 0x7070,
638 				    "MPI reset failed.\n");
639 			scsi_unblock_requests(vha->host);
640 			break;
641 		}
642 	case 0x2025e:
643 		if (!IS_QLA82XX(ha) || vha != base_vha) {
644 			ql_log(ql_log_info, vha, 0x7071,
645 			    "FCoE ctx reset no supported.\n");
646 			return -EPERM;
647 		}
648 
649 		ql_log(ql_log_info, vha, 0x7072,
650 		    "Issuing FCoE ctx reset.\n");
651 		set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
652 		qla2xxx_wake_dpc(vha);
653 		qla2x00_wait_for_fcoe_ctx_reset(vha);
654 		break;
655 	case 0x2025f:
656 		if (!IS_QLA8031(ha))
657 			return -EPERM;
658 		ql_log(ql_log_info, vha, 0x70bc,
659 		    "Disabling Reset by IDC control\n");
660 		qla83xx_idc_lock(vha, 0);
661 		__qla83xx_get_idc_control(vha, &idc_control);
662 		idc_control |= QLA83XX_IDC_RESET_DISABLED;
663 		__qla83xx_set_idc_control(vha, idc_control);
664 		qla83xx_idc_unlock(vha, 0);
665 		break;
666 	case 0x20260:
667 		if (!IS_QLA8031(ha))
668 			return -EPERM;
669 		ql_log(ql_log_info, vha, 0x70bd,
670 		    "Enabling Reset by IDC control\n");
671 		qla83xx_idc_lock(vha, 0);
672 		__qla83xx_get_idc_control(vha, &idc_control);
673 		idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
674 		__qla83xx_set_idc_control(vha, idc_control);
675 		qla83xx_idc_unlock(vha, 0);
676 		break;
677 
678 	}
679 	return count;
680 }
681 
682 static struct bin_attribute sysfs_reset_attr = {
683 	.attr = {
684 		.name = "reset",
685 		.mode = S_IWUSR,
686 	},
687 	.size = 0,
688 	.write = qla2x00_sysfs_write_reset,
689 };
690 
691 static ssize_t
692 qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
693 		       struct bin_attribute *bin_attr,
694 		       char *buf, loff_t off, size_t count)
695 {
696 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
697 	    struct device, kobj)));
698 	struct qla_hw_data *ha = vha->hw;
699 	int rval;
700 	uint16_t actual_size;
701 
702 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
703 		return 0;
704 
705 	if (ha->xgmac_data)
706 		goto do_read;
707 
708 	ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
709 	    &ha->xgmac_data_dma, GFP_KERNEL);
710 	if (!ha->xgmac_data) {
711 		ql_log(ql_log_warn, vha, 0x7076,
712 		    "Unable to allocate memory for XGMAC read-data.\n");
713 		return 0;
714 	}
715 
716 do_read:
717 	actual_size = 0;
718 	memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
719 
720 	rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
721 	    XGMAC_DATA_SIZE, &actual_size);
722 	if (rval != QLA_SUCCESS) {
723 		ql_log(ql_log_warn, vha, 0x7077,
724 		    "Unable to read XGMAC data (%x).\n", rval);
725 		count = 0;
726 	}
727 
728 	count = actual_size > count ? count: actual_size;
729 	memcpy(buf, ha->xgmac_data, count);
730 
731 	return count;
732 }
733 
734 static struct bin_attribute sysfs_xgmac_stats_attr = {
735 	.attr = {
736 		.name = "xgmac_stats",
737 		.mode = S_IRUSR,
738 	},
739 	.size = 0,
740 	.read = qla2x00_sysfs_read_xgmac_stats,
741 };
742 
743 static ssize_t
744 qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
745 		       struct bin_attribute *bin_attr,
746 		       char *buf, loff_t off, size_t count)
747 {
748 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
749 	    struct device, kobj)));
750 	struct qla_hw_data *ha = vha->hw;
751 	int rval;
752 	uint16_t actual_size;
753 
754 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
755 		return 0;
756 
757 	if (ha->dcbx_tlv)
758 		goto do_read;
759 
760 	ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
761 	    &ha->dcbx_tlv_dma, GFP_KERNEL);
762 	if (!ha->dcbx_tlv) {
763 		ql_log(ql_log_warn, vha, 0x7078,
764 		    "Unable to allocate memory for DCBX TLV read-data.\n");
765 		return -ENOMEM;
766 	}
767 
768 do_read:
769 	actual_size = 0;
770 	memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
771 
772 	rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
773 	    DCBX_TLV_DATA_SIZE);
774 	if (rval != QLA_SUCCESS) {
775 		ql_log(ql_log_warn, vha, 0x7079,
776 		    "Unable to read DCBX TLV (%x).\n", rval);
777 		return -EIO;
778 	}
779 
780 	memcpy(buf, ha->dcbx_tlv, count);
781 
782 	return count;
783 }
784 
785 static struct bin_attribute sysfs_dcbx_tlv_attr = {
786 	.attr = {
787 		.name = "dcbx_tlv",
788 		.mode = S_IRUSR,
789 	},
790 	.size = 0,
791 	.read = qla2x00_sysfs_read_dcbx_tlv,
792 };
793 
794 static struct sysfs_entry {
795 	char *name;
796 	struct bin_attribute *attr;
797 	int is4GBp_only;
798 } bin_file_entries[] = {
799 	{ "fw_dump", &sysfs_fw_dump_attr, },
800 	{ "nvram", &sysfs_nvram_attr, },
801 	{ "optrom", &sysfs_optrom_attr, },
802 	{ "optrom_ctl", &sysfs_optrom_ctl_attr, },
803 	{ "vpd", &sysfs_vpd_attr, 1 },
804 	{ "sfp", &sysfs_sfp_attr, 1 },
805 	{ "reset", &sysfs_reset_attr, },
806 	{ "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
807 	{ "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
808 	{ NULL },
809 };
810 
811 void
812 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
813 {
814 	struct Scsi_Host *host = vha->host;
815 	struct sysfs_entry *iter;
816 	int ret;
817 
818 	for (iter = bin_file_entries; iter->name; iter++) {
819 		if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
820 			continue;
821 		if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
822 			continue;
823 		if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
824 			continue;
825 
826 		ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
827 		    iter->attr);
828 		if (ret)
829 			ql_log(ql_log_warn, vha, 0x00f3,
830 			    "Unable to create sysfs %s binary attribute (%d).\n",
831 			    iter->name, ret);
832 		else
833 			ql_dbg(ql_dbg_init, vha, 0x00f4,
834 			    "Successfully created sysfs %s binary attribure.\n",
835 			    iter->name);
836 	}
837 }
838 
839 void
840 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha)
841 {
842 	struct Scsi_Host *host = vha->host;
843 	struct sysfs_entry *iter;
844 	struct qla_hw_data *ha = vha->hw;
845 
846 	for (iter = bin_file_entries; iter->name; iter++) {
847 		if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
848 			continue;
849 		if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
850 			continue;
851 		if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
852 			continue;
853 
854 		sysfs_remove_bin_file(&host->shost_gendev.kobj,
855 		    iter->attr);
856 	}
857 
858 	if (ha->beacon_blink_led == 1)
859 		ha->isp_ops->beacon_off(vha);
860 }
861 
862 /* Scsi_Host attributes. */
863 
864 static ssize_t
865 qla2x00_drvr_version_show(struct device *dev,
866 			  struct device_attribute *attr, char *buf)
867 {
868 	return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
869 }
870 
871 static ssize_t
872 qla2x00_fw_version_show(struct device *dev,
873 			struct device_attribute *attr, char *buf)
874 {
875 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
876 	struct qla_hw_data *ha = vha->hw;
877 	char fw_str[128];
878 
879 	return snprintf(buf, PAGE_SIZE, "%s\n",
880 	    ha->isp_ops->fw_version_str(vha, fw_str));
881 }
882 
883 static ssize_t
884 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
885 			char *buf)
886 {
887 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
888 	struct qla_hw_data *ha = vha->hw;
889 	uint32_t sn;
890 
891 	if (IS_FWI2_CAPABLE(ha)) {
892 		qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE);
893 		return snprintf(buf, PAGE_SIZE, "%s\n", buf);
894 	}
895 
896 	sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
897 	return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
898 	    sn % 100000);
899 }
900 
901 static ssize_t
902 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
903 		      char *buf)
904 {
905 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
906 	return snprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
907 }
908 
909 static ssize_t
910 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
911 		    char *buf)
912 {
913 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
914 	struct qla_hw_data *ha = vha->hw;
915 	return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
916 	    ha->product_id[0], ha->product_id[1], ha->product_id[2],
917 	    ha->product_id[3]);
918 }
919 
920 static ssize_t
921 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
922 			char *buf)
923 {
924 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
925 	return snprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
926 }
927 
928 static ssize_t
929 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
930 			char *buf)
931 {
932 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
933 	return snprintf(buf, PAGE_SIZE, "%s\n",
934 	    vha->hw->model_desc ? vha->hw->model_desc : "");
935 }
936 
937 static ssize_t
938 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
939 		      char *buf)
940 {
941 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
942 	char pci_info[30];
943 
944 	return snprintf(buf, PAGE_SIZE, "%s\n",
945 	    vha->hw->isp_ops->pci_info_str(vha, pci_info));
946 }
947 
948 static ssize_t
949 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
950 			char *buf)
951 {
952 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
953 	struct qla_hw_data *ha = vha->hw;
954 	int len = 0;
955 
956 	if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
957 	    atomic_read(&vha->loop_state) == LOOP_DEAD ||
958 	    vha->device_flags & DFLG_NO_CABLE)
959 		len = snprintf(buf, PAGE_SIZE, "Link Down\n");
960 	else if (atomic_read(&vha->loop_state) != LOOP_READY ||
961 	    qla2x00_reset_active(vha))
962 		len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
963 	else {
964 		len = snprintf(buf, PAGE_SIZE, "Link Up - ");
965 
966 		switch (ha->current_topology) {
967 		case ISP_CFG_NL:
968 			len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
969 			break;
970 		case ISP_CFG_FL:
971 			len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
972 			break;
973 		case ISP_CFG_N:
974 			len += snprintf(buf + len, PAGE_SIZE-len,
975 			    "N_Port to N_Port\n");
976 			break;
977 		case ISP_CFG_F:
978 			len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
979 			break;
980 		default:
981 			len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
982 			break;
983 		}
984 	}
985 	return len;
986 }
987 
988 static ssize_t
989 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
990 		 char *buf)
991 {
992 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
993 	int len = 0;
994 
995 	switch (vha->hw->zio_mode) {
996 	case QLA_ZIO_MODE_6:
997 		len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
998 		break;
999 	case QLA_ZIO_DISABLED:
1000 		len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1001 		break;
1002 	}
1003 	return len;
1004 }
1005 
1006 static ssize_t
1007 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
1008 		  const char *buf, size_t count)
1009 {
1010 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1011 	struct qla_hw_data *ha = vha->hw;
1012 	int val = 0;
1013 	uint16_t zio_mode;
1014 
1015 	if (!IS_ZIO_SUPPORTED(ha))
1016 		return -ENOTSUPP;
1017 
1018 	if (sscanf(buf, "%d", &val) != 1)
1019 		return -EINVAL;
1020 
1021 	if (val)
1022 		zio_mode = QLA_ZIO_MODE_6;
1023 	else
1024 		zio_mode = QLA_ZIO_DISABLED;
1025 
1026 	/* Update per-hba values and queue a reset. */
1027 	if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1028 		ha->zio_mode = zio_mode;
1029 		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1030 	}
1031 	return strlen(buf);
1032 }
1033 
1034 static ssize_t
1035 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1036 		       char *buf)
1037 {
1038 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1039 
1040 	return snprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1041 }
1042 
1043 static ssize_t
1044 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1045 			const char *buf, size_t count)
1046 {
1047 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1048 	int val = 0;
1049 	uint16_t zio_timer;
1050 
1051 	if (sscanf(buf, "%d", &val) != 1)
1052 		return -EINVAL;
1053 	if (val > 25500 || val < 100)
1054 		return -ERANGE;
1055 
1056 	zio_timer = (uint16_t)(val / 100);
1057 	vha->hw->zio_timer = zio_timer;
1058 
1059 	return strlen(buf);
1060 }
1061 
1062 static ssize_t
1063 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1064 		    char *buf)
1065 {
1066 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1067 	int len = 0;
1068 
1069 	if (vha->hw->beacon_blink_led)
1070 		len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1071 	else
1072 		len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1073 	return len;
1074 }
1075 
1076 static ssize_t
1077 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1078 		     const char *buf, size_t count)
1079 {
1080 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1081 	struct qla_hw_data *ha = vha->hw;
1082 	int val = 0;
1083 	int rval;
1084 
1085 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
1086 		return -EPERM;
1087 
1088 	if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
1089 		ql_log(ql_log_warn, vha, 0x707a,
1090 		    "Abort ISP active -- ignoring beacon request.\n");
1091 		return -EBUSY;
1092 	}
1093 
1094 	if (sscanf(buf, "%d", &val) != 1)
1095 		return -EINVAL;
1096 
1097 	if (val)
1098 		rval = ha->isp_ops->beacon_on(vha);
1099 	else
1100 		rval = ha->isp_ops->beacon_off(vha);
1101 
1102 	if (rval != QLA_SUCCESS)
1103 		count = 0;
1104 
1105 	return count;
1106 }
1107 
1108 static ssize_t
1109 qla2x00_optrom_bios_version_show(struct device *dev,
1110 				 struct device_attribute *attr, char *buf)
1111 {
1112 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1113 	struct qla_hw_data *ha = vha->hw;
1114 	return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1115 	    ha->bios_revision[0]);
1116 }
1117 
1118 static ssize_t
1119 qla2x00_optrom_efi_version_show(struct device *dev,
1120 				struct device_attribute *attr, char *buf)
1121 {
1122 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1123 	struct qla_hw_data *ha = vha->hw;
1124 	return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1125 	    ha->efi_revision[0]);
1126 }
1127 
1128 static ssize_t
1129 qla2x00_optrom_fcode_version_show(struct device *dev,
1130 				  struct device_attribute *attr, char *buf)
1131 {
1132 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1133 	struct qla_hw_data *ha = vha->hw;
1134 	return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1135 	    ha->fcode_revision[0]);
1136 }
1137 
1138 static ssize_t
1139 qla2x00_optrom_fw_version_show(struct device *dev,
1140 			       struct device_attribute *attr, char *buf)
1141 {
1142 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1143 	struct qla_hw_data *ha = vha->hw;
1144 	return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1145 	    ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1146 	    ha->fw_revision[3]);
1147 }
1148 
1149 static ssize_t
1150 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1151     struct device_attribute *attr, char *buf)
1152 {
1153 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1154 	struct qla_hw_data *ha = vha->hw;
1155 
1156 	if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
1157 		return snprintf(buf, PAGE_SIZE, "\n");
1158 
1159 	return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1160 	    ha->gold_fw_version[0], ha->gold_fw_version[1],
1161 	    ha->gold_fw_version[2], ha->gold_fw_version[3]);
1162 }
1163 
1164 static ssize_t
1165 qla2x00_total_isp_aborts_show(struct device *dev,
1166 			      struct device_attribute *attr, char *buf)
1167 {
1168 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1169 	return snprintf(buf, PAGE_SIZE, "%d\n",
1170 	    vha->qla_stats.total_isp_aborts);
1171 }
1172 
1173 static ssize_t
1174 qla24xx_84xx_fw_version_show(struct device *dev,
1175 	struct device_attribute *attr, char *buf)
1176 {
1177 	int rval = QLA_SUCCESS;
1178 	uint16_t status[2] = {0, 0};
1179 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1180 	struct qla_hw_data *ha = vha->hw;
1181 
1182 	if (!IS_QLA84XX(ha))
1183 		return snprintf(buf, PAGE_SIZE, "\n");
1184 
1185 	if (ha->cs84xx->op_fw_version == 0)
1186 		rval = qla84xx_verify_chip(vha, status);
1187 
1188 	if ((rval == QLA_SUCCESS) && (status[0] == 0))
1189 		return snprintf(buf, PAGE_SIZE, "%u\n",
1190 			(uint32_t)ha->cs84xx->op_fw_version);
1191 
1192 	return snprintf(buf, PAGE_SIZE, "\n");
1193 }
1194 
1195 static ssize_t
1196 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1197     char *buf)
1198 {
1199 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1200 	struct qla_hw_data *ha = vha->hw;
1201 
1202 	if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1203 		return snprintf(buf, PAGE_SIZE, "\n");
1204 
1205 	return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1206 	    ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1207 	    ha->mpi_capabilities);
1208 }
1209 
1210 static ssize_t
1211 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1212     char *buf)
1213 {
1214 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1215 	struct qla_hw_data *ha = vha->hw;
1216 
1217 	if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1218 		return snprintf(buf, PAGE_SIZE, "\n");
1219 
1220 	return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1221 	    ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1222 }
1223 
1224 static ssize_t
1225 qla2x00_flash_block_size_show(struct device *dev,
1226 			      struct device_attribute *attr, char *buf)
1227 {
1228 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1229 	struct qla_hw_data *ha = vha->hw;
1230 
1231 	return snprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1232 }
1233 
1234 static ssize_t
1235 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1236     char *buf)
1237 {
1238 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1239 
1240 	if (!IS_CNA_CAPABLE(vha->hw))
1241 		return snprintf(buf, PAGE_SIZE, "\n");
1242 
1243 	return snprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1244 }
1245 
1246 static ssize_t
1247 qla2x00_vn_port_mac_address_show(struct device *dev,
1248     struct device_attribute *attr, char *buf)
1249 {
1250 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1251 
1252 	if (!IS_CNA_CAPABLE(vha->hw))
1253 		return snprintf(buf, PAGE_SIZE, "\n");
1254 
1255 	return snprintf(buf, PAGE_SIZE, "%02x:%02x:%02x:%02x:%02x:%02x\n",
1256 	    vha->fcoe_vn_port_mac[5], vha->fcoe_vn_port_mac[4],
1257 	    vha->fcoe_vn_port_mac[3], vha->fcoe_vn_port_mac[2],
1258 	    vha->fcoe_vn_port_mac[1], vha->fcoe_vn_port_mac[0]);
1259 }
1260 
1261 static ssize_t
1262 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1263     char *buf)
1264 {
1265 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1266 
1267 	return snprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1268 }
1269 
1270 static ssize_t
1271 qla2x00_thermal_temp_show(struct device *dev,
1272 	struct device_attribute *attr, char *buf)
1273 {
1274 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1275 	int rval = QLA_FUNCTION_FAILED;
1276 	uint16_t temp, frac;
1277 
1278 	if (!vha->hw->flags.thermal_supported)
1279 		return snprintf(buf, PAGE_SIZE, "\n");
1280 
1281 	temp = frac = 0;
1282 	if (qla2x00_reset_active(vha))
1283 		ql_log(ql_log_warn, vha, 0x707b,
1284 		    "ISP reset active.\n");
1285 	else if (!vha->hw->flags.eeh_busy)
1286 		rval = qla2x00_get_thermal_temp(vha, &temp, &frac);
1287 	if (rval != QLA_SUCCESS)
1288 		return snprintf(buf, PAGE_SIZE, "\n");
1289 
1290 	return snprintf(buf, PAGE_SIZE, "%d.%02d\n", temp, frac);
1291 }
1292 
1293 static ssize_t
1294 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1295     char *buf)
1296 {
1297 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1298 	int rval = QLA_FUNCTION_FAILED;
1299 	uint16_t state[5];
1300 
1301 	if (qla2x00_reset_active(vha))
1302 		ql_log(ql_log_warn, vha, 0x707c,
1303 		    "ISP reset active.\n");
1304 	else if (!vha->hw->flags.eeh_busy)
1305 		rval = qla2x00_get_firmware_state(vha, state);
1306 	if (rval != QLA_SUCCESS)
1307 		memset(state, -1, sizeof(state));
1308 
1309 	return snprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x\n", state[0],
1310 	    state[1], state[2], state[3], state[4]);
1311 }
1312 
1313 static ssize_t
1314 qla2x00_diag_requests_show(struct device *dev,
1315 	struct device_attribute *attr, char *buf)
1316 {
1317 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1318 
1319 	if (!IS_BIDI_CAPABLE(vha->hw))
1320 		return snprintf(buf, PAGE_SIZE, "\n");
1321 
1322 	return snprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1323 }
1324 
1325 static ssize_t
1326 qla2x00_diag_megabytes_show(struct device *dev,
1327 	struct device_attribute *attr, char *buf)
1328 {
1329 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1330 
1331 	if (!IS_BIDI_CAPABLE(vha->hw))
1332 		return snprintf(buf, PAGE_SIZE, "\n");
1333 
1334 	return snprintf(buf, PAGE_SIZE, "%llu\n",
1335 	    vha->bidi_stats.transfer_bytes >> 20);
1336 }
1337 
1338 static ssize_t
1339 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1340 	char *buf)
1341 {
1342 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1343 	struct qla_hw_data *ha = vha->hw;
1344 	uint32_t size;
1345 
1346 	if (!ha->fw_dumped)
1347 		size = 0;
1348 	else if (IS_QLA82XX(ha))
1349 		size = ha->md_template_size + ha->md_dump_size;
1350 	else
1351 		size = ha->fw_dump_len;
1352 
1353 	return snprintf(buf, PAGE_SIZE, "%d\n", size);
1354 }
1355 
1356 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
1357 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
1358 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
1359 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
1360 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
1361 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
1362 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
1363 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
1364 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
1365 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
1366 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
1367 		   qla2x00_zio_timer_store);
1368 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
1369 		   qla2x00_beacon_store);
1370 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
1371 		   qla2x00_optrom_bios_version_show, NULL);
1372 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
1373 		   qla2x00_optrom_efi_version_show, NULL);
1374 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
1375 		   qla2x00_optrom_fcode_version_show, NULL);
1376 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
1377 		   NULL);
1378 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
1379     qla2x00_optrom_gold_fw_version_show, NULL);
1380 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
1381 		   NULL);
1382 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
1383 		   NULL);
1384 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
1385 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
1386 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
1387 		   NULL);
1388 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
1389 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
1390 		   qla2x00_vn_port_mac_address_show, NULL);
1391 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
1392 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
1393 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
1394 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
1395 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
1396 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
1397 
1398 struct device_attribute *qla2x00_host_attrs[] = {
1399 	&dev_attr_driver_version,
1400 	&dev_attr_fw_version,
1401 	&dev_attr_serial_num,
1402 	&dev_attr_isp_name,
1403 	&dev_attr_isp_id,
1404 	&dev_attr_model_name,
1405 	&dev_attr_model_desc,
1406 	&dev_attr_pci_info,
1407 	&dev_attr_link_state,
1408 	&dev_attr_zio,
1409 	&dev_attr_zio_timer,
1410 	&dev_attr_beacon,
1411 	&dev_attr_optrom_bios_version,
1412 	&dev_attr_optrom_efi_version,
1413 	&dev_attr_optrom_fcode_version,
1414 	&dev_attr_optrom_fw_version,
1415 	&dev_attr_84xx_fw_version,
1416 	&dev_attr_total_isp_aborts,
1417 	&dev_attr_mpi_version,
1418 	&dev_attr_phy_version,
1419 	&dev_attr_flash_block_size,
1420 	&dev_attr_vlan_id,
1421 	&dev_attr_vn_port_mac_address,
1422 	&dev_attr_fabric_param,
1423 	&dev_attr_fw_state,
1424 	&dev_attr_optrom_gold_fw_version,
1425 	&dev_attr_thermal_temp,
1426 	&dev_attr_diag_requests,
1427 	&dev_attr_diag_megabytes,
1428 	&dev_attr_fw_dump_size,
1429 	NULL,
1430 };
1431 
1432 /* Host attributes. */
1433 
1434 static void
1435 qla2x00_get_host_port_id(struct Scsi_Host *shost)
1436 {
1437 	scsi_qla_host_t *vha = shost_priv(shost);
1438 
1439 	fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
1440 	    vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
1441 }
1442 
1443 static void
1444 qla2x00_get_host_speed(struct Scsi_Host *shost)
1445 {
1446 	struct qla_hw_data *ha = ((struct scsi_qla_host *)
1447 					(shost_priv(shost)))->hw;
1448 	u32 speed = FC_PORTSPEED_UNKNOWN;
1449 
1450 	switch (ha->link_data_rate) {
1451 	case PORT_SPEED_1GB:
1452 		speed = FC_PORTSPEED_1GBIT;
1453 		break;
1454 	case PORT_SPEED_2GB:
1455 		speed = FC_PORTSPEED_2GBIT;
1456 		break;
1457 	case PORT_SPEED_4GB:
1458 		speed = FC_PORTSPEED_4GBIT;
1459 		break;
1460 	case PORT_SPEED_8GB:
1461 		speed = FC_PORTSPEED_8GBIT;
1462 		break;
1463 	case PORT_SPEED_10GB:
1464 		speed = FC_PORTSPEED_10GBIT;
1465 		break;
1466 	case PORT_SPEED_16GB:
1467 		speed = FC_PORTSPEED_16GBIT;
1468 		break;
1469 	}
1470 	fc_host_speed(shost) = speed;
1471 }
1472 
1473 static void
1474 qla2x00_get_host_port_type(struct Scsi_Host *shost)
1475 {
1476 	scsi_qla_host_t *vha = shost_priv(shost);
1477 	uint32_t port_type = FC_PORTTYPE_UNKNOWN;
1478 
1479 	if (vha->vp_idx) {
1480 		fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1481 		return;
1482 	}
1483 	switch (vha->hw->current_topology) {
1484 	case ISP_CFG_NL:
1485 		port_type = FC_PORTTYPE_LPORT;
1486 		break;
1487 	case ISP_CFG_FL:
1488 		port_type = FC_PORTTYPE_NLPORT;
1489 		break;
1490 	case ISP_CFG_N:
1491 		port_type = FC_PORTTYPE_PTP;
1492 		break;
1493 	case ISP_CFG_F:
1494 		port_type = FC_PORTTYPE_NPORT;
1495 		break;
1496 	}
1497 	fc_host_port_type(shost) = port_type;
1498 }
1499 
1500 static void
1501 qla2x00_get_starget_node_name(struct scsi_target *starget)
1502 {
1503 	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1504 	scsi_qla_host_t *vha = shost_priv(host);
1505 	fc_port_t *fcport;
1506 	u64 node_name = 0;
1507 
1508 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
1509 		if (fcport->rport &&
1510 		    starget->id == fcport->rport->scsi_target_id) {
1511 			node_name = wwn_to_u64(fcport->node_name);
1512 			break;
1513 		}
1514 	}
1515 
1516 	fc_starget_node_name(starget) = node_name;
1517 }
1518 
1519 static void
1520 qla2x00_get_starget_port_name(struct scsi_target *starget)
1521 {
1522 	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1523 	scsi_qla_host_t *vha = shost_priv(host);
1524 	fc_port_t *fcport;
1525 	u64 port_name = 0;
1526 
1527 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
1528 		if (fcport->rport &&
1529 		    starget->id == fcport->rport->scsi_target_id) {
1530 			port_name = wwn_to_u64(fcport->port_name);
1531 			break;
1532 		}
1533 	}
1534 
1535 	fc_starget_port_name(starget) = port_name;
1536 }
1537 
1538 static void
1539 qla2x00_get_starget_port_id(struct scsi_target *starget)
1540 {
1541 	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1542 	scsi_qla_host_t *vha = shost_priv(host);
1543 	fc_port_t *fcport;
1544 	uint32_t port_id = ~0U;
1545 
1546 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
1547 		if (fcport->rport &&
1548 		    starget->id == fcport->rport->scsi_target_id) {
1549 			port_id = fcport->d_id.b.domain << 16 |
1550 			    fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
1551 			break;
1552 		}
1553 	}
1554 
1555 	fc_starget_port_id(starget) = port_id;
1556 }
1557 
1558 static void
1559 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1560 {
1561 	if (timeout)
1562 		rport->dev_loss_tmo = timeout;
1563 	else
1564 		rport->dev_loss_tmo = 1;
1565 }
1566 
1567 static void
1568 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
1569 {
1570 	struct Scsi_Host *host = rport_to_shost(rport);
1571 	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1572 	unsigned long flags;
1573 
1574 	if (!fcport)
1575 		return;
1576 
1577 	/* Now that the rport has been deleted, set the fcport state to
1578 	   FCS_DEVICE_DEAD */
1579 	qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
1580 
1581 	/*
1582 	 * Transport has effectively 'deleted' the rport, clear
1583 	 * all local references.
1584 	 */
1585 	spin_lock_irqsave(host->host_lock, flags);
1586 	fcport->rport = fcport->drport = NULL;
1587 	*((fc_port_t **)rport->dd_data) = NULL;
1588 	spin_unlock_irqrestore(host->host_lock, flags);
1589 
1590 	if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1591 		return;
1592 
1593 	if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1594 		qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1595 		return;
1596 	}
1597 }
1598 
1599 static void
1600 qla2x00_terminate_rport_io(struct fc_rport *rport)
1601 {
1602 	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1603 
1604 	if (!fcport)
1605 		return;
1606 
1607 	if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
1608 		return;
1609 
1610 	if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1611 		qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1612 		return;
1613 	}
1614 	/*
1615 	 * At this point all fcport's software-states are cleared.  Perform any
1616 	 * final cleanup of firmware resources (PCBs and XCBs).
1617 	 */
1618 	if (fcport->loop_id != FC_NO_LOOP_ID) {
1619 		if (IS_FWI2_CAPABLE(fcport->vha->hw))
1620 			fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
1621 			    fcport->loop_id, fcport->d_id.b.domain,
1622 			    fcport->d_id.b.area, fcport->d_id.b.al_pa);
1623 		else
1624 			qla2x00_port_logout(fcport->vha, fcport);
1625 	}
1626 }
1627 
1628 static int
1629 qla2x00_issue_lip(struct Scsi_Host *shost)
1630 {
1631 	scsi_qla_host_t *vha = shost_priv(shost);
1632 
1633 	qla2x00_loop_reset(vha);
1634 	return 0;
1635 }
1636 
1637 static struct fc_host_statistics *
1638 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1639 {
1640 	scsi_qla_host_t *vha = shost_priv(shost);
1641 	struct qla_hw_data *ha = vha->hw;
1642 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1643 	int rval;
1644 	struct link_statistics *stats;
1645 	dma_addr_t stats_dma;
1646 	struct fc_host_statistics *pfc_host_stat;
1647 
1648 	pfc_host_stat = &vha->fc_host_stat;
1649 	memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
1650 
1651 	if (test_bit(UNLOADING, &vha->dpc_flags))
1652 		goto done;
1653 
1654 	if (unlikely(pci_channel_offline(ha->pdev)))
1655 		goto done;
1656 
1657 	stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
1658 	if (stats == NULL) {
1659 		ql_log(ql_log_warn, vha, 0x707d,
1660 		    "Failed to allocate memory for stats.\n");
1661 		goto done;
1662 	}
1663 	memset(stats, 0, DMA_POOL_SIZE);
1664 
1665 	rval = QLA_FUNCTION_FAILED;
1666 	if (IS_FWI2_CAPABLE(ha)) {
1667 		rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
1668 	} else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
1669 	    !qla2x00_reset_active(vha) && !ha->dpc_active) {
1670 		/* Must be in a 'READY' state for statistics retrieval. */
1671 		rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
1672 						stats, stats_dma);
1673 	}
1674 
1675 	if (rval != QLA_SUCCESS)
1676 		goto done_free;
1677 
1678 	pfc_host_stat->link_failure_count = stats->link_fail_cnt;
1679 	pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt;
1680 	pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt;
1681 	pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
1682 	pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt;
1683 	pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt;
1684 	if (IS_FWI2_CAPABLE(ha)) {
1685 		pfc_host_stat->lip_count = stats->lip_cnt;
1686 		pfc_host_stat->tx_frames = stats->tx_frames;
1687 		pfc_host_stat->rx_frames = stats->rx_frames;
1688 		pfc_host_stat->dumped_frames = stats->dumped_frames;
1689 		pfc_host_stat->nos_count = stats->nos_rcvd;
1690 	}
1691 	pfc_host_stat->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
1692 	pfc_host_stat->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
1693 
1694 done_free:
1695         dma_pool_free(ha->s_dma_pool, stats, stats_dma);
1696 done:
1697 	return pfc_host_stat;
1698 }
1699 
1700 static void
1701 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
1702 {
1703 	scsi_qla_host_t *vha = shost_priv(shost);
1704 
1705 	qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost));
1706 }
1707 
1708 static void
1709 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
1710 {
1711 	scsi_qla_host_t *vha = shost_priv(shost);
1712 
1713 	set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1714 }
1715 
1716 static void
1717 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
1718 {
1719 	scsi_qla_host_t *vha = shost_priv(shost);
1720 	uint8_t node_name[WWN_SIZE] = { 0xFF, 0xFF, 0xFF, 0xFF, \
1721 		0xFF, 0xFF, 0xFF, 0xFF};
1722 	u64 fabric_name = wwn_to_u64(node_name);
1723 
1724 	if (vha->device_flags & SWITCH_FOUND)
1725 		fabric_name = wwn_to_u64(vha->fabric_node_name);
1726 
1727 	fc_host_fabric_name(shost) = fabric_name;
1728 }
1729 
1730 static void
1731 qla2x00_get_host_port_state(struct Scsi_Host *shost)
1732 {
1733 	scsi_qla_host_t *vha = shost_priv(shost);
1734 	struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
1735 
1736 	if (!base_vha->flags.online) {
1737 		fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1738 		return;
1739 	}
1740 
1741 	switch (atomic_read(&base_vha->loop_state)) {
1742 	case LOOP_UPDATE:
1743 		fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1744 		break;
1745 	case LOOP_DOWN:
1746 		if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
1747 			fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
1748 		else
1749 			fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1750 		break;
1751 	case LOOP_DEAD:
1752 		fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1753 		break;
1754 	case LOOP_READY:
1755 		fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1756 		break;
1757 	default:
1758 		fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1759 		break;
1760 	}
1761 }
1762 
1763 static int
1764 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
1765 {
1766 	int	ret = 0;
1767 	uint8_t	qos = 0;
1768 	scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
1769 	scsi_qla_host_t *vha = NULL;
1770 	struct qla_hw_data *ha = base_vha->hw;
1771 	uint16_t options = 0;
1772 	int	cnt;
1773 	struct req_que *req = ha->req_q_map[0];
1774 
1775 	ret = qla24xx_vport_create_req_sanity_check(fc_vport);
1776 	if (ret) {
1777 		ql_log(ql_log_warn, vha, 0x707e,
1778 		    "Vport sanity check failed, status %x\n", ret);
1779 		return (ret);
1780 	}
1781 
1782 	vha = qla24xx_create_vhost(fc_vport);
1783 	if (vha == NULL) {
1784 		ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
1785 		return FC_VPORT_FAILED;
1786 	}
1787 	if (disable) {
1788 		atomic_set(&vha->vp_state, VP_OFFLINE);
1789 		fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
1790 	} else
1791 		atomic_set(&vha->vp_state, VP_FAILED);
1792 
1793 	/* ready to create vport */
1794 	ql_log(ql_log_info, vha, 0x7080,
1795 	    "VP entry id %d assigned.\n", vha->vp_idx);
1796 
1797 	/* initialized vport states */
1798 	atomic_set(&vha->loop_state, LOOP_DOWN);
1799 	vha->vp_err_state=  VP_ERR_PORTDWN;
1800 	vha->vp_prev_err_state=  VP_ERR_UNKWN;
1801 	/* Check if physical ha port is Up */
1802 	if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
1803 	    atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
1804 		/* Don't retry or attempt login of this virtual port */
1805 		ql_dbg(ql_dbg_user, vha, 0x7081,
1806 		    "Vport loop state is not UP.\n");
1807 		atomic_set(&vha->loop_state, LOOP_DEAD);
1808 		if (!disable)
1809 			fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
1810 	}
1811 
1812 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
1813 		if (ha->fw_attributes & BIT_4) {
1814 			int prot = 0, guard;
1815 			vha->flags.difdix_supported = 1;
1816 			ql_dbg(ql_dbg_user, vha, 0x7082,
1817 			    "Registered for DIF/DIX type 1 and 3 protection.\n");
1818 			if (ql2xenabledif == 1)
1819 				prot = SHOST_DIX_TYPE0_PROTECTION;
1820 			scsi_host_set_prot(vha->host,
1821 			    prot | SHOST_DIF_TYPE1_PROTECTION
1822 			    | SHOST_DIF_TYPE2_PROTECTION
1823 			    | SHOST_DIF_TYPE3_PROTECTION
1824 			    | SHOST_DIX_TYPE1_PROTECTION
1825 			    | SHOST_DIX_TYPE2_PROTECTION
1826 			    | SHOST_DIX_TYPE3_PROTECTION);
1827 
1828 			guard = SHOST_DIX_GUARD_CRC;
1829 
1830 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
1831 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
1832 				guard |= SHOST_DIX_GUARD_IP;
1833 
1834 			scsi_host_set_guard(vha->host, guard);
1835 		} else
1836 			vha->flags.difdix_supported = 0;
1837 	}
1838 
1839 	if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
1840 				   &ha->pdev->dev)) {
1841 		ql_dbg(ql_dbg_user, vha, 0x7083,
1842 		    "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
1843 		goto vport_create_failed_2;
1844 	}
1845 
1846 	/* initialize attributes */
1847 	fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
1848 	fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
1849 	fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
1850 	fc_host_supported_classes(vha->host) =
1851 		fc_host_supported_classes(base_vha->host);
1852 	fc_host_supported_speeds(vha->host) =
1853 		fc_host_supported_speeds(base_vha->host);
1854 
1855 	qlt_vport_create(vha, ha);
1856 	qla24xx_vport_disable(fc_vport, disable);
1857 
1858 	if (ha->flags.cpu_affinity_enabled) {
1859 		req = ha->req_q_map[1];
1860 		ql_dbg(ql_dbg_multiq, vha, 0xc000,
1861 		    "Request queue %p attached with "
1862 		    "VP[%d], cpu affinity =%d\n",
1863 		    req, vha->vp_idx, ha->flags.cpu_affinity_enabled);
1864 		goto vport_queue;
1865 	} else if (ql2xmaxqueues == 1 || !ha->npiv_info)
1866 		goto vport_queue;
1867 	/* Create a request queue in QoS mode for the vport */
1868 	for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
1869 		if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
1870 			&& memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
1871 					8) == 0) {
1872 			qos = ha->npiv_info[cnt].q_qos;
1873 			break;
1874 		}
1875 	}
1876 
1877 	if (qos) {
1878 		ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0,
1879 			qos);
1880 		if (!ret)
1881 			ql_log(ql_log_warn, vha, 0x7084,
1882 			    "Can't create request queue for VP[%d]\n",
1883 			    vha->vp_idx);
1884 		else {
1885 			ql_dbg(ql_dbg_multiq, vha, 0xc001,
1886 			    "Request Que:%d Q0s: %d) created for VP[%d]\n",
1887 			    ret, qos, vha->vp_idx);
1888 			ql_dbg(ql_dbg_user, vha, 0x7085,
1889 			    "Request Que:%d Q0s: %d) created for VP[%d]\n",
1890 			    ret, qos, vha->vp_idx);
1891 			req = ha->req_q_map[ret];
1892 		}
1893 	}
1894 
1895 vport_queue:
1896 	vha->req = req;
1897 	return 0;
1898 
1899 vport_create_failed_2:
1900 	qla24xx_disable_vp(vha);
1901 	qla24xx_deallocate_vp_id(vha);
1902 	scsi_host_put(vha->host);
1903 	return FC_VPORT_FAILED;
1904 }
1905 
1906 static int
1907 qla24xx_vport_delete(struct fc_vport *fc_vport)
1908 {
1909 	scsi_qla_host_t *vha = fc_vport->dd_data;
1910 	struct qla_hw_data *ha = vha->hw;
1911 	uint16_t id = vha->vp_idx;
1912 
1913 	while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
1914 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
1915 		msleep(1000);
1916 
1917 	qla24xx_disable_vp(vha);
1918 
1919 	vha->flags.delete_progress = 1;
1920 
1921 	fc_remove_host(vha->host);
1922 
1923 	scsi_remove_host(vha->host);
1924 
1925 	/* Allow timer to run to drain queued items, when removing vp */
1926 	qla24xx_deallocate_vp_id(vha);
1927 
1928 	if (vha->timer_active) {
1929 		qla2x00_vp_stop_timer(vha);
1930 		ql_dbg(ql_dbg_user, vha, 0x7086,
1931 		    "Timer for the VP[%d] has stopped\n", vha->vp_idx);
1932 	}
1933 
1934 	/* No pending activities shall be there on the vha now */
1935 	if (ql2xextended_error_logging & ql_dbg_user)
1936 		msleep(random32()%10);  /* Just to see if something falls on
1937 					* the net we have placed below */
1938 
1939 	BUG_ON(atomic_read(&vha->vref_count));
1940 
1941 	qla2x00_free_fcports(vha);
1942 
1943 	mutex_lock(&ha->vport_lock);
1944 	ha->cur_vport_count--;
1945 	clear_bit(vha->vp_idx, ha->vp_idx_map);
1946 	mutex_unlock(&ha->vport_lock);
1947 
1948 	if (vha->req->id && !ha->flags.cpu_affinity_enabled) {
1949 		if (qla25xx_delete_req_que(vha, vha->req) != QLA_SUCCESS)
1950 			ql_log(ql_log_warn, vha, 0x7087,
1951 			    "Queue delete failed.\n");
1952 	}
1953 
1954 	ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
1955 	scsi_host_put(vha->host);
1956 	return 0;
1957 }
1958 
1959 static int
1960 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
1961 {
1962 	scsi_qla_host_t *vha = fc_vport->dd_data;
1963 
1964 	if (disable)
1965 		qla24xx_disable_vp(vha);
1966 	else
1967 		qla24xx_enable_vp(vha);
1968 
1969 	return 0;
1970 }
1971 
1972 struct fc_function_template qla2xxx_transport_functions = {
1973 
1974 	.show_host_node_name = 1,
1975 	.show_host_port_name = 1,
1976 	.show_host_supported_classes = 1,
1977 	.show_host_supported_speeds = 1,
1978 
1979 	.get_host_port_id = qla2x00_get_host_port_id,
1980 	.show_host_port_id = 1,
1981 	.get_host_speed = qla2x00_get_host_speed,
1982 	.show_host_speed = 1,
1983 	.get_host_port_type = qla2x00_get_host_port_type,
1984 	.show_host_port_type = 1,
1985 	.get_host_symbolic_name = qla2x00_get_host_symbolic_name,
1986 	.show_host_symbolic_name = 1,
1987 	.set_host_system_hostname = qla2x00_set_host_system_hostname,
1988 	.show_host_system_hostname = 1,
1989 	.get_host_fabric_name = qla2x00_get_host_fabric_name,
1990 	.show_host_fabric_name = 1,
1991 	.get_host_port_state = qla2x00_get_host_port_state,
1992 	.show_host_port_state = 1,
1993 
1994 	.dd_fcrport_size = sizeof(struct fc_port *),
1995 	.show_rport_supported_classes = 1,
1996 
1997 	.get_starget_node_name = qla2x00_get_starget_node_name,
1998 	.show_starget_node_name = 1,
1999 	.get_starget_port_name = qla2x00_get_starget_port_name,
2000 	.show_starget_port_name = 1,
2001 	.get_starget_port_id  = qla2x00_get_starget_port_id,
2002 	.show_starget_port_id = 1,
2003 
2004 	.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2005 	.show_rport_dev_loss_tmo = 1,
2006 
2007 	.issue_fc_host_lip = qla2x00_issue_lip,
2008 	.dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2009 	.terminate_rport_io = qla2x00_terminate_rport_io,
2010 	.get_fc_host_stats = qla2x00_get_fc_host_stats,
2011 
2012 	.vport_create = qla24xx_vport_create,
2013 	.vport_disable = qla24xx_vport_disable,
2014 	.vport_delete = qla24xx_vport_delete,
2015 	.bsg_request = qla24xx_bsg_request,
2016 	.bsg_timeout = qla24xx_bsg_timeout,
2017 };
2018 
2019 struct fc_function_template qla2xxx_transport_vport_functions = {
2020 
2021 	.show_host_node_name = 1,
2022 	.show_host_port_name = 1,
2023 	.show_host_supported_classes = 1,
2024 
2025 	.get_host_port_id = qla2x00_get_host_port_id,
2026 	.show_host_port_id = 1,
2027 	.get_host_speed = qla2x00_get_host_speed,
2028 	.show_host_speed = 1,
2029 	.get_host_port_type = qla2x00_get_host_port_type,
2030 	.show_host_port_type = 1,
2031 	.get_host_symbolic_name = qla2x00_get_host_symbolic_name,
2032 	.show_host_symbolic_name = 1,
2033 	.set_host_system_hostname = qla2x00_set_host_system_hostname,
2034 	.show_host_system_hostname = 1,
2035 	.get_host_fabric_name = qla2x00_get_host_fabric_name,
2036 	.show_host_fabric_name = 1,
2037 	.get_host_port_state = qla2x00_get_host_port_state,
2038 	.show_host_port_state = 1,
2039 
2040 	.dd_fcrport_size = sizeof(struct fc_port *),
2041 	.show_rport_supported_classes = 1,
2042 
2043 	.get_starget_node_name = qla2x00_get_starget_node_name,
2044 	.show_starget_node_name = 1,
2045 	.get_starget_port_name = qla2x00_get_starget_port_name,
2046 	.show_starget_port_name = 1,
2047 	.get_starget_port_id  = qla2x00_get_starget_port_id,
2048 	.show_starget_port_id = 1,
2049 
2050 	.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
2051 	.show_rport_dev_loss_tmo = 1,
2052 
2053 	.issue_fc_host_lip = qla2x00_issue_lip,
2054 	.dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
2055 	.terminate_rport_io = qla2x00_terminate_rport_io,
2056 	.get_fc_host_stats = qla2x00_get_fc_host_stats,
2057 	.bsg_request = qla24xx_bsg_request,
2058 	.bsg_timeout = qla24xx_bsg_timeout,
2059 };
2060 
2061 void
2062 qla2x00_init_host_attr(scsi_qla_host_t *vha)
2063 {
2064 	struct qla_hw_data *ha = vha->hw;
2065 	u32 speed = FC_PORTSPEED_UNKNOWN;
2066 
2067 	fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
2068 	fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
2069 	fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
2070 	fc_host_supported_classes(vha->host) = ha->tgt.enable_class_2 ?
2071 			(FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
2072 	fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
2073 	fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
2074 
2075 	if (IS_CNA_CAPABLE(ha))
2076 		speed = FC_PORTSPEED_10GBIT;
2077 	else if (IS_QLA2031(ha))
2078 		speed = FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
2079 		    FC_PORTSPEED_4GBIT;
2080 	else if (IS_QLA25XX(ha))
2081 		speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
2082 		    FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2083 	else if (IS_QLA24XX_TYPE(ha))
2084 		speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
2085 		    FC_PORTSPEED_1GBIT;
2086 	else if (IS_QLA23XX(ha))
2087 		speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
2088 	else
2089 		speed = FC_PORTSPEED_1GBIT;
2090 	fc_host_supported_speeds(vha->host) = speed;
2091 }
2092