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1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * QLogic Fibre Channel HBA Driver
4  * Copyright (c)  2003-2014 QLogic Corporation
5  */
6 #include "qla_def.h"
7 #include "qla_target.h"
8 
9 #include <linux/kthread.h>
10 #include <linux/vmalloc.h>
11 #include <linux/slab.h>
12 #include <linux/delay.h>
13 
14 static int qla24xx_vport_disable(struct fc_vport *, bool);
15 
16 /* SYSFS attributes --------------------------------------------------------- */
17 
18 static ssize_t
qla2x00_sysfs_read_fw_dump(struct file * filp,struct kobject * kobj,struct bin_attribute * bin_attr,char * buf,loff_t off,size_t count)19 qla2x00_sysfs_read_fw_dump(struct file *filp, struct kobject *kobj,
20 			   struct bin_attribute *bin_attr,
21 			   char *buf, loff_t off, size_t count)
22 {
23 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
24 	    struct device, kobj)));
25 	struct qla_hw_data *ha = vha->hw;
26 	int rval = 0;
27 
28 	if (!(ha->fw_dump_reading || ha->mctp_dump_reading ||
29 	      ha->mpi_fw_dump_reading))
30 		return 0;
31 
32 	mutex_lock(&ha->optrom_mutex);
33 	if (IS_P3P_TYPE(ha)) {
34 		if (off < ha->md_template_size) {
35 			rval = memory_read_from_buffer(buf, count,
36 			    &off, ha->md_tmplt_hdr, ha->md_template_size);
37 		} else {
38 			off -= ha->md_template_size;
39 			rval = memory_read_from_buffer(buf, count,
40 			    &off, ha->md_dump, ha->md_dump_size);
41 		}
42 	} else if (ha->mctp_dumped && ha->mctp_dump_reading) {
43 		rval = memory_read_from_buffer(buf, count, &off, ha->mctp_dump,
44 		    MCTP_DUMP_SIZE);
45 	} else if (ha->mpi_fw_dumped && ha->mpi_fw_dump_reading) {
46 		rval = memory_read_from_buffer(buf, count, &off,
47 					       ha->mpi_fw_dump,
48 					       ha->mpi_fw_dump_len);
49 	} else if (ha->fw_dump_reading) {
50 		rval = memory_read_from_buffer(buf, count, &off, ha->fw_dump,
51 					ha->fw_dump_len);
52 	} else {
53 		rval = 0;
54 	}
55 	mutex_unlock(&ha->optrom_mutex);
56 	return rval;
57 }
58 
59 static ssize_t
qla2x00_sysfs_write_fw_dump(struct file * filp,struct kobject * kobj,struct bin_attribute * bin_attr,char * buf,loff_t off,size_t count)60 qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj,
61 			    struct bin_attribute *bin_attr,
62 			    char *buf, loff_t off, size_t count)
63 {
64 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
65 	    struct device, kobj)));
66 	struct qla_hw_data *ha = vha->hw;
67 	int reading;
68 
69 	if (off != 0)
70 		return (0);
71 
72 	reading = simple_strtol(buf, NULL, 10);
73 	switch (reading) {
74 	case 0:
75 		if (!ha->fw_dump_reading)
76 			break;
77 
78 		ql_log(ql_log_info, vha, 0x705d,
79 		    "Firmware dump cleared on (%ld).\n", vha->host_no);
80 
81 		if (IS_P3P_TYPE(ha)) {
82 			qla82xx_md_free(vha);
83 			qla82xx_md_prep(vha);
84 		}
85 		ha->fw_dump_reading = 0;
86 		ha->fw_dumped = false;
87 		break;
88 	case 1:
89 		if (ha->fw_dumped && !ha->fw_dump_reading) {
90 			ha->fw_dump_reading = 1;
91 
92 			ql_log(ql_log_info, vha, 0x705e,
93 			    "Raw firmware dump ready for read on (%ld).\n",
94 			    vha->host_no);
95 		}
96 		break;
97 	case 2:
98 		qla2x00_alloc_fw_dump(vha);
99 		break;
100 	case 3:
101 		if (IS_QLA82XX(ha)) {
102 			qla82xx_idc_lock(ha);
103 			qla82xx_set_reset_owner(vha);
104 			qla82xx_idc_unlock(ha);
105 		} else if (IS_QLA8044(ha)) {
106 			qla8044_idc_lock(ha);
107 			qla82xx_set_reset_owner(vha);
108 			qla8044_idc_unlock(ha);
109 		} else {
110 			qla2x00_system_error(vha);
111 		}
112 		break;
113 	case 4:
114 		if (IS_P3P_TYPE(ha)) {
115 			if (ha->md_tmplt_hdr)
116 				ql_dbg(ql_dbg_user, vha, 0x705b,
117 				    "MiniDump supported with this firmware.\n");
118 			else
119 				ql_dbg(ql_dbg_user, vha, 0x709d,
120 				    "MiniDump not supported with this firmware.\n");
121 		}
122 		break;
123 	case 5:
124 		if (IS_P3P_TYPE(ha))
125 			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
126 		break;
127 	case 6:
128 		if (!ha->mctp_dump_reading)
129 			break;
130 		ql_log(ql_log_info, vha, 0x70c1,
131 		    "MCTP dump cleared on (%ld).\n", vha->host_no);
132 		ha->mctp_dump_reading = 0;
133 		ha->mctp_dumped = 0;
134 		break;
135 	case 7:
136 		if (ha->mctp_dumped && !ha->mctp_dump_reading) {
137 			ha->mctp_dump_reading = 1;
138 			ql_log(ql_log_info, vha, 0x70c2,
139 			    "Raw mctp dump ready for read on (%ld).\n",
140 			    vha->host_no);
141 		}
142 		break;
143 	case 8:
144 		if (!ha->mpi_fw_dump_reading)
145 			break;
146 		ql_log(ql_log_info, vha, 0x70e7,
147 		       "MPI firmware dump cleared on (%ld).\n", vha->host_no);
148 		ha->mpi_fw_dump_reading = 0;
149 		ha->mpi_fw_dumped = 0;
150 		break;
151 	case 9:
152 		if (ha->mpi_fw_dumped && !ha->mpi_fw_dump_reading) {
153 			ha->mpi_fw_dump_reading = 1;
154 			ql_log(ql_log_info, vha, 0x70e8,
155 			       "Raw MPI firmware dump ready for read on (%ld).\n",
156 			       vha->host_no);
157 		}
158 		break;
159 	case 10:
160 		if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
161 			ql_log(ql_log_info, vha, 0x70e9,
162 			       "Issuing MPI firmware dump on host#%ld.\n",
163 			       vha->host_no);
164 			ha->isp_ops->mpi_fw_dump(vha, 0);
165 		}
166 		break;
167 	}
168 	return count;
169 }
170 
171 static struct bin_attribute sysfs_fw_dump_attr = {
172 	.attr = {
173 		.name = "fw_dump",
174 		.mode = S_IRUSR | S_IWUSR,
175 	},
176 	.size = 0,
177 	.read = qla2x00_sysfs_read_fw_dump,
178 	.write = qla2x00_sysfs_write_fw_dump,
179 };
180 
181 static ssize_t
qla2x00_sysfs_read_nvram(struct file * filp,struct kobject * kobj,struct bin_attribute * bin_attr,char * buf,loff_t off,size_t count)182 qla2x00_sysfs_read_nvram(struct file *filp, struct kobject *kobj,
183 			 struct bin_attribute *bin_attr,
184 			 char *buf, loff_t off, size_t count)
185 {
186 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
187 	    struct device, kobj)));
188 	struct qla_hw_data *ha = vha->hw;
189 	uint32_t faddr;
190 	struct active_regions active_regions = { };
191 
192 	if (!capable(CAP_SYS_ADMIN))
193 		return 0;
194 
195 	mutex_lock(&ha->optrom_mutex);
196 	if (qla2x00_chip_is_down(vha)) {
197 		mutex_unlock(&ha->optrom_mutex);
198 		return -EAGAIN;
199 	}
200 
201 	if (!IS_NOCACHE_VPD_TYPE(ha)) {
202 		mutex_unlock(&ha->optrom_mutex);
203 		goto skip;
204 	}
205 
206 	faddr = ha->flt_region_nvram;
207 	if (IS_QLA28XX(ha)) {
208 		qla28xx_get_aux_images(vha, &active_regions);
209 		if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
210 			faddr = ha->flt_region_nvram_sec;
211 	}
212 	ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size);
213 
214 	mutex_unlock(&ha->optrom_mutex);
215 
216 skip:
217 	return memory_read_from_buffer(buf, count, &off, ha->nvram,
218 					ha->nvram_size);
219 }
220 
221 static ssize_t
qla2x00_sysfs_write_nvram(struct file * filp,struct kobject * kobj,struct bin_attribute * bin_attr,char * buf,loff_t off,size_t count)222 qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
223 			  struct bin_attribute *bin_attr,
224 			  char *buf, loff_t off, size_t count)
225 {
226 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
227 	    struct device, kobj)));
228 	struct qla_hw_data *ha = vha->hw;
229 	uint16_t	cnt;
230 
231 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
232 	    !ha->isp_ops->write_nvram)
233 		return -EINVAL;
234 
235 	/* Checksum NVRAM. */
236 	if (IS_FWI2_CAPABLE(ha)) {
237 		__le32 *iter = (__force __le32 *)buf;
238 		uint32_t chksum;
239 
240 		chksum = 0;
241 		for (cnt = 0; cnt < ((count >> 2) - 1); cnt++, iter++)
242 			chksum += le32_to_cpu(*iter);
243 		chksum = ~chksum + 1;
244 		*iter = cpu_to_le32(chksum);
245 	} else {
246 		uint8_t *iter;
247 		uint8_t chksum;
248 
249 		iter = (uint8_t *)buf;
250 		chksum = 0;
251 		for (cnt = 0; cnt < count - 1; cnt++)
252 			chksum += *iter++;
253 		chksum = ~chksum + 1;
254 		*iter = chksum;
255 	}
256 
257 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
258 		ql_log(ql_log_warn, vha, 0x705f,
259 		    "HBA not online, failing NVRAM update.\n");
260 		return -EAGAIN;
261 	}
262 
263 	mutex_lock(&ha->optrom_mutex);
264 	if (qla2x00_chip_is_down(vha)) {
265 		mutex_unlock(&ha->optrom_mutex);
266 		return -EAGAIN;
267 	}
268 
269 	/* Write NVRAM. */
270 	ha->isp_ops->write_nvram(vha, buf, ha->nvram_base, count);
271 	ha->isp_ops->read_nvram(vha, ha->nvram, ha->nvram_base,
272 	    count);
273 	mutex_unlock(&ha->optrom_mutex);
274 
275 	ql_dbg(ql_dbg_user, vha, 0x7060,
276 	    "Setting ISP_ABORT_NEEDED\n");
277 	/* NVRAM settings take effect immediately. */
278 	set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
279 	qla2xxx_wake_dpc(vha);
280 	qla2x00_wait_for_chip_reset(vha);
281 
282 	return count;
283 }
284 
285 static struct bin_attribute sysfs_nvram_attr = {
286 	.attr = {
287 		.name = "nvram",
288 		.mode = S_IRUSR | S_IWUSR,
289 	},
290 	.size = 512,
291 	.read = qla2x00_sysfs_read_nvram,
292 	.write = qla2x00_sysfs_write_nvram,
293 };
294 
295 static ssize_t
qla2x00_sysfs_read_optrom(struct file * filp,struct kobject * kobj,struct bin_attribute * bin_attr,char * buf,loff_t off,size_t count)296 qla2x00_sysfs_read_optrom(struct file *filp, struct kobject *kobj,
297 			  struct bin_attribute *bin_attr,
298 			  char *buf, loff_t off, size_t count)
299 {
300 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
301 	    struct device, kobj)));
302 	struct qla_hw_data *ha = vha->hw;
303 	ssize_t rval = 0;
304 
305 	mutex_lock(&ha->optrom_mutex);
306 
307 	if (ha->optrom_state != QLA_SREADING)
308 		goto out;
309 
310 	rval = memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
311 	    ha->optrom_region_size);
312 
313 out:
314 	mutex_unlock(&ha->optrom_mutex);
315 
316 	return rval;
317 }
318 
319 static ssize_t
qla2x00_sysfs_write_optrom(struct file * filp,struct kobject * kobj,struct bin_attribute * bin_attr,char * buf,loff_t off,size_t count)320 qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
321 			   struct bin_attribute *bin_attr,
322 			   char *buf, loff_t off, size_t count)
323 {
324 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
325 	    struct device, kobj)));
326 	struct qla_hw_data *ha = vha->hw;
327 
328 	mutex_lock(&ha->optrom_mutex);
329 
330 	if (ha->optrom_state != QLA_SWRITING) {
331 		mutex_unlock(&ha->optrom_mutex);
332 		return -EINVAL;
333 	}
334 	if (off > ha->optrom_region_size) {
335 		mutex_unlock(&ha->optrom_mutex);
336 		return -ERANGE;
337 	}
338 	if (off + count > ha->optrom_region_size)
339 		count = ha->optrom_region_size - off;
340 
341 	memcpy(&ha->optrom_buffer[off], buf, count);
342 	mutex_unlock(&ha->optrom_mutex);
343 
344 	return count;
345 }
346 
347 static struct bin_attribute sysfs_optrom_attr = {
348 	.attr = {
349 		.name = "optrom",
350 		.mode = S_IRUSR | S_IWUSR,
351 	},
352 	.size = 0,
353 	.read = qla2x00_sysfs_read_optrom,
354 	.write = qla2x00_sysfs_write_optrom,
355 };
356 
357 static ssize_t
qla2x00_sysfs_write_optrom_ctl(struct file * filp,struct kobject * kobj,struct bin_attribute * bin_attr,char * buf,loff_t off,size_t count)358 qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
359 			       struct bin_attribute *bin_attr,
360 			       char *buf, loff_t off, size_t count)
361 {
362 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
363 	    struct device, kobj)));
364 	struct qla_hw_data *ha = vha->hw;
365 	uint32_t start = 0;
366 	uint32_t size = ha->optrom_size;
367 	int val, valid;
368 	ssize_t rval = count;
369 
370 	if (off)
371 		return -EINVAL;
372 
373 	if (unlikely(pci_channel_offline(ha->pdev)))
374 		return -EAGAIN;
375 
376 	if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
377 		return -EINVAL;
378 	if (start > ha->optrom_size)
379 		return -EINVAL;
380 	if (size > ha->optrom_size - start)
381 		size = ha->optrom_size - start;
382 
383 	mutex_lock(&ha->optrom_mutex);
384 	if (qla2x00_chip_is_down(vha)) {
385 		mutex_unlock(&ha->optrom_mutex);
386 		return -EAGAIN;
387 	}
388 	switch (val) {
389 	case 0:
390 		if (ha->optrom_state != QLA_SREADING &&
391 		    ha->optrom_state != QLA_SWRITING) {
392 			rval =  -EINVAL;
393 			goto out;
394 		}
395 		ha->optrom_state = QLA_SWAITING;
396 
397 		ql_dbg(ql_dbg_user, vha, 0x7061,
398 		    "Freeing flash region allocation -- 0x%x bytes.\n",
399 		    ha->optrom_region_size);
400 
401 		vfree(ha->optrom_buffer);
402 		ha->optrom_buffer = NULL;
403 		break;
404 	case 1:
405 		if (ha->optrom_state != QLA_SWAITING) {
406 			rval = -EINVAL;
407 			goto out;
408 		}
409 
410 		ha->optrom_region_start = start;
411 		ha->optrom_region_size = size;
412 
413 		ha->optrom_state = QLA_SREADING;
414 		ha->optrom_buffer = vzalloc(ha->optrom_region_size);
415 		if (ha->optrom_buffer == NULL) {
416 			ql_log(ql_log_warn, vha, 0x7062,
417 			    "Unable to allocate memory for optrom retrieval "
418 			    "(%x).\n", ha->optrom_region_size);
419 
420 			ha->optrom_state = QLA_SWAITING;
421 			rval = -ENOMEM;
422 			goto out;
423 		}
424 
425 		if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
426 			ql_log(ql_log_warn, vha, 0x7063,
427 			    "HBA not online, failing NVRAM update.\n");
428 			rval = -EAGAIN;
429 			goto out;
430 		}
431 
432 		ql_dbg(ql_dbg_user, vha, 0x7064,
433 		    "Reading flash region -- 0x%x/0x%x.\n",
434 		    ha->optrom_region_start, ha->optrom_region_size);
435 
436 		ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
437 		    ha->optrom_region_start, ha->optrom_region_size);
438 		break;
439 	case 2:
440 		if (ha->optrom_state != QLA_SWAITING) {
441 			rval = -EINVAL;
442 			goto out;
443 		}
444 
445 		/*
446 		 * We need to be more restrictive on which FLASH regions are
447 		 * allowed to be updated via user-space.  Regions accessible
448 		 * via this method include:
449 		 *
450 		 * ISP21xx/ISP22xx/ISP23xx type boards:
451 		 *
452 		 * 	0x000000 -> 0x020000 -- Boot code.
453 		 *
454 		 * ISP2322/ISP24xx type boards:
455 		 *
456 		 * 	0x000000 -> 0x07ffff -- Boot code.
457 		 * 	0x080000 -> 0x0fffff -- Firmware.
458 		 *
459 		 * ISP25xx type boards:
460 		 *
461 		 * 	0x000000 -> 0x07ffff -- Boot code.
462 		 * 	0x080000 -> 0x0fffff -- Firmware.
463 		 * 	0x120000 -> 0x12ffff -- VPD and HBA parameters.
464 		 *
465 		 * > ISP25xx type boards:
466 		 *
467 		 *      None -- should go through BSG.
468 		 */
469 		valid = 0;
470 		if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
471 			valid = 1;
472 		else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
473 			valid = 1;
474 		if (!valid) {
475 			ql_log(ql_log_warn, vha, 0x7065,
476 			    "Invalid start region 0x%x/0x%x.\n", start, size);
477 			rval = -EINVAL;
478 			goto out;
479 		}
480 
481 		ha->optrom_region_start = start;
482 		ha->optrom_region_size = size;
483 
484 		ha->optrom_state = QLA_SWRITING;
485 		ha->optrom_buffer = vzalloc(ha->optrom_region_size);
486 		if (ha->optrom_buffer == NULL) {
487 			ql_log(ql_log_warn, vha, 0x7066,
488 			    "Unable to allocate memory for optrom update "
489 			    "(%x)\n", ha->optrom_region_size);
490 
491 			ha->optrom_state = QLA_SWAITING;
492 			rval = -ENOMEM;
493 			goto out;
494 		}
495 
496 		ql_dbg(ql_dbg_user, vha, 0x7067,
497 		    "Staging flash region write -- 0x%x/0x%x.\n",
498 		    ha->optrom_region_start, ha->optrom_region_size);
499 
500 		break;
501 	case 3:
502 		if (ha->optrom_state != QLA_SWRITING) {
503 			rval = -EINVAL;
504 			goto out;
505 		}
506 
507 		if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
508 			ql_log(ql_log_warn, vha, 0x7068,
509 			    "HBA not online, failing flash update.\n");
510 			rval = -EAGAIN;
511 			goto out;
512 		}
513 
514 		ql_dbg(ql_dbg_user, vha, 0x7069,
515 		    "Writing flash region -- 0x%x/0x%x.\n",
516 		    ha->optrom_region_start, ha->optrom_region_size);
517 
518 		rval = ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
519 		    ha->optrom_region_start, ha->optrom_region_size);
520 		if (rval)
521 			rval = -EIO;
522 		break;
523 	default:
524 		rval = -EINVAL;
525 	}
526 
527 out:
528 	mutex_unlock(&ha->optrom_mutex);
529 	return rval;
530 }
531 
532 static struct bin_attribute sysfs_optrom_ctl_attr = {
533 	.attr = {
534 		.name = "optrom_ctl",
535 		.mode = S_IWUSR,
536 	},
537 	.size = 0,
538 	.write = qla2x00_sysfs_write_optrom_ctl,
539 };
540 
541 static ssize_t
qla2x00_sysfs_read_vpd(struct file * filp,struct kobject * kobj,struct bin_attribute * bin_attr,char * buf,loff_t off,size_t count)542 qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
543 		       struct bin_attribute *bin_attr,
544 		       char *buf, loff_t off, size_t count)
545 {
546 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
547 	    struct device, kobj)));
548 	struct qla_hw_data *ha = vha->hw;
549 	uint32_t faddr;
550 	struct active_regions active_regions = { };
551 
552 	if (unlikely(pci_channel_offline(ha->pdev)))
553 		return -EAGAIN;
554 
555 	if (!capable(CAP_SYS_ADMIN))
556 		return -EINVAL;
557 
558 	if (!IS_NOCACHE_VPD_TYPE(ha))
559 		goto skip;
560 
561 	faddr = ha->flt_region_vpd << 2;
562 
563 	if (IS_QLA28XX(ha)) {
564 		qla28xx_get_aux_images(vha, &active_regions);
565 		if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
566 			faddr = ha->flt_region_vpd_sec << 2;
567 
568 		ql_dbg(ql_dbg_init, vha, 0x7070,
569 		    "Loading %s nvram image.\n",
570 		    active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
571 		    "primary" : "secondary");
572 	}
573 
574 	mutex_lock(&ha->optrom_mutex);
575 	if (qla2x00_chip_is_down(vha)) {
576 		mutex_unlock(&ha->optrom_mutex);
577 		return -EAGAIN;
578 	}
579 
580 	ha->isp_ops->read_optrom(vha, ha->vpd, faddr, ha->vpd_size);
581 	mutex_unlock(&ha->optrom_mutex);
582 
583 	ha->isp_ops->read_optrom(vha, ha->vpd, faddr, ha->vpd_size);
584 skip:
585 	return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
586 }
587 
588 static ssize_t
qla2x00_sysfs_write_vpd(struct file * filp,struct kobject * kobj,struct bin_attribute * bin_attr,char * buf,loff_t off,size_t count)589 qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
590 			struct bin_attribute *bin_attr,
591 			char *buf, loff_t off, size_t count)
592 {
593 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
594 	    struct device, kobj)));
595 	struct qla_hw_data *ha = vha->hw;
596 	uint8_t *tmp_data;
597 
598 	if (unlikely(pci_channel_offline(ha->pdev)))
599 		return 0;
600 
601 	if (qla2x00_chip_is_down(vha))
602 		return 0;
603 
604 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
605 	    !ha->isp_ops->write_nvram)
606 		return 0;
607 
608 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
609 		ql_log(ql_log_warn, vha, 0x706a,
610 		    "HBA not online, failing VPD update.\n");
611 		return -EAGAIN;
612 	}
613 
614 	mutex_lock(&ha->optrom_mutex);
615 	if (qla2x00_chip_is_down(vha)) {
616 		mutex_unlock(&ha->optrom_mutex);
617 		return -EAGAIN;
618 	}
619 
620 	/* Write NVRAM. */
621 	ha->isp_ops->write_nvram(vha, buf, ha->vpd_base, count);
622 	ha->isp_ops->read_nvram(vha, ha->vpd, ha->vpd_base, count);
623 
624 	/* Update flash version information for 4Gb & above. */
625 	if (!IS_FWI2_CAPABLE(ha)) {
626 		mutex_unlock(&ha->optrom_mutex);
627 		return -EINVAL;
628 	}
629 
630 	tmp_data = vmalloc(256);
631 	if (!tmp_data) {
632 		mutex_unlock(&ha->optrom_mutex);
633 		ql_log(ql_log_warn, vha, 0x706b,
634 		    "Unable to allocate memory for VPD information update.\n");
635 		return -ENOMEM;
636 	}
637 	ha->isp_ops->get_flash_version(vha, tmp_data);
638 	vfree(tmp_data);
639 
640 	mutex_unlock(&ha->optrom_mutex);
641 
642 	return count;
643 }
644 
645 static struct bin_attribute sysfs_vpd_attr = {
646 	.attr = {
647 		.name = "vpd",
648 		.mode = S_IRUSR | S_IWUSR,
649 	},
650 	.size = 0,
651 	.read = qla2x00_sysfs_read_vpd,
652 	.write = qla2x00_sysfs_write_vpd,
653 };
654 
655 static ssize_t
qla2x00_sysfs_read_sfp(struct file * filp,struct kobject * kobj,struct bin_attribute * bin_attr,char * buf,loff_t off,size_t count)656 qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
657 		       struct bin_attribute *bin_attr,
658 		       char *buf, loff_t off, size_t count)
659 {
660 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
661 	    struct device, kobj)));
662 	int rval;
663 
664 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count < SFP_DEV_SIZE)
665 		return 0;
666 
667 	mutex_lock(&vha->hw->optrom_mutex);
668 	if (qla2x00_chip_is_down(vha)) {
669 		mutex_unlock(&vha->hw->optrom_mutex);
670 		return 0;
671 	}
672 
673 	rval = qla2x00_read_sfp_dev(vha, buf, count);
674 	mutex_unlock(&vha->hw->optrom_mutex);
675 
676 	if (rval)
677 		return -EIO;
678 
679 	return count;
680 }
681 
682 static struct bin_attribute sysfs_sfp_attr = {
683 	.attr = {
684 		.name = "sfp",
685 		.mode = S_IRUSR | S_IWUSR,
686 	},
687 	.size = SFP_DEV_SIZE,
688 	.read = qla2x00_sysfs_read_sfp,
689 };
690 
691 static ssize_t
qla2x00_sysfs_write_reset(struct file * filp,struct kobject * kobj,struct bin_attribute * bin_attr,char * buf,loff_t off,size_t count)692 qla2x00_sysfs_write_reset(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 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
700 	int type;
701 	uint32_t idc_control;
702 	uint8_t *tmp_data = NULL;
703 
704 	if (off != 0)
705 		return -EINVAL;
706 
707 	type = simple_strtol(buf, NULL, 10);
708 	switch (type) {
709 	case 0x2025c:
710 		ql_log(ql_log_info, vha, 0x706e,
711 		    "Issuing ISP reset.\n");
712 
713 		if (vha->hw->flags.port_isolated) {
714 			ql_log(ql_log_info, vha, 0x706e,
715 			       "Port is isolated, returning.\n");
716 			return -EINVAL;
717 		}
718 
719 		scsi_block_requests(vha->host);
720 		if (IS_QLA82XX(ha)) {
721 			ha->flags.isp82xx_no_md_cap = 1;
722 			qla82xx_idc_lock(ha);
723 			qla82xx_set_reset_owner(vha);
724 			qla82xx_idc_unlock(ha);
725 		} else if (IS_QLA8044(ha)) {
726 			qla8044_idc_lock(ha);
727 			idc_control = qla8044_rd_reg(ha,
728 			    QLA8044_IDC_DRV_CTRL);
729 			qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
730 			    (idc_control | GRACEFUL_RESET_BIT1));
731 			qla82xx_set_reset_owner(vha);
732 			qla8044_idc_unlock(ha);
733 		} else {
734 			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
735 			qla2xxx_wake_dpc(vha);
736 		}
737 		qla2x00_wait_for_chip_reset(vha);
738 		scsi_unblock_requests(vha->host);
739 		break;
740 	case 0x2025d:
741 		if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
742 		    !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
743 			return -EPERM;
744 
745 		ql_log(ql_log_info, vha, 0x706f,
746 		    "Issuing MPI reset.\n");
747 
748 		if (IS_QLA83XX(ha)) {
749 			uint32_t idc_control;
750 
751 			qla83xx_idc_lock(vha, 0);
752 			__qla83xx_get_idc_control(vha, &idc_control);
753 			idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
754 			__qla83xx_set_idc_control(vha, idc_control);
755 			qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
756 			    QLA8XXX_DEV_NEED_RESET);
757 			qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
758 			qla83xx_idc_unlock(vha, 0);
759 			break;
760 		} else {
761 			/* Make sure FC side is not in reset */
762 			WARN_ON_ONCE(qla2x00_wait_for_hba_online(vha) !=
763 				     QLA_SUCCESS);
764 
765 			/* Issue MPI reset */
766 			scsi_block_requests(vha->host);
767 			if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
768 				ql_log(ql_log_warn, vha, 0x7070,
769 				    "MPI reset failed.\n");
770 			scsi_unblock_requests(vha->host);
771 			break;
772 		}
773 		break;
774 	case 0x2025e:
775 		if (!IS_P3P_TYPE(ha) || vha != base_vha) {
776 			ql_log(ql_log_info, vha, 0x7071,
777 			    "FCoE ctx reset not supported.\n");
778 			return -EPERM;
779 		}
780 
781 		ql_log(ql_log_info, vha, 0x7072,
782 		    "Issuing FCoE ctx reset.\n");
783 		set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
784 		qla2xxx_wake_dpc(vha);
785 		qla2x00_wait_for_fcoe_ctx_reset(vha);
786 		break;
787 	case 0x2025f:
788 		if (!IS_QLA8031(ha))
789 			return -EPERM;
790 		ql_log(ql_log_info, vha, 0x70bc,
791 		    "Disabling Reset by IDC control\n");
792 		qla83xx_idc_lock(vha, 0);
793 		__qla83xx_get_idc_control(vha, &idc_control);
794 		idc_control |= QLA83XX_IDC_RESET_DISABLED;
795 		__qla83xx_set_idc_control(vha, idc_control);
796 		qla83xx_idc_unlock(vha, 0);
797 		break;
798 	case 0x20260:
799 		if (!IS_QLA8031(ha))
800 			return -EPERM;
801 		ql_log(ql_log_info, vha, 0x70bd,
802 		    "Enabling Reset by IDC control\n");
803 		qla83xx_idc_lock(vha, 0);
804 		__qla83xx_get_idc_control(vha, &idc_control);
805 		idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
806 		__qla83xx_set_idc_control(vha, idc_control);
807 		qla83xx_idc_unlock(vha, 0);
808 		break;
809 	case 0x20261:
810 		ql_dbg(ql_dbg_user, vha, 0x70e0,
811 		    "Updating cache versions without reset ");
812 
813 		tmp_data = vmalloc(256);
814 		if (!tmp_data) {
815 			ql_log(ql_log_warn, vha, 0x70e1,
816 			    "Unable to allocate memory for VPD information update.\n");
817 			return -ENOMEM;
818 		}
819 		ha->isp_ops->get_flash_version(vha, tmp_data);
820 		vfree(tmp_data);
821 		break;
822 	}
823 	return count;
824 }
825 
826 static struct bin_attribute sysfs_reset_attr = {
827 	.attr = {
828 		.name = "reset",
829 		.mode = S_IWUSR,
830 	},
831 	.size = 0,
832 	.write = qla2x00_sysfs_write_reset,
833 };
834 
835 static ssize_t
qla2x00_issue_logo(struct file * filp,struct kobject * kobj,struct bin_attribute * bin_attr,char * buf,loff_t off,size_t count)836 qla2x00_issue_logo(struct file *filp, struct kobject *kobj,
837 			struct bin_attribute *bin_attr,
838 			char *buf, loff_t off, size_t count)
839 {
840 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
841 	    struct device, kobj)));
842 	int type;
843 	port_id_t did;
844 
845 	if (!capable(CAP_SYS_ADMIN))
846 		return 0;
847 
848 	if (unlikely(pci_channel_offline(vha->hw->pdev)))
849 		return 0;
850 
851 	if (qla2x00_chip_is_down(vha))
852 		return 0;
853 
854 	type = simple_strtol(buf, NULL, 10);
855 
856 	did.b.domain = (type & 0x00ff0000) >> 16;
857 	did.b.area = (type & 0x0000ff00) >> 8;
858 	did.b.al_pa = (type & 0x000000ff);
859 
860 	ql_log(ql_log_info, vha, 0xd04d, "portid=%02x%02x%02x done\n",
861 	    did.b.domain, did.b.area, did.b.al_pa);
862 
863 	ql_log(ql_log_info, vha, 0x70e4, "%s: %d\n", __func__, type);
864 
865 	qla24xx_els_dcmd_iocb(vha, ELS_DCMD_LOGO, did);
866 	return count;
867 }
868 
869 static struct bin_attribute sysfs_issue_logo_attr = {
870 	.attr = {
871 		.name = "issue_logo",
872 		.mode = S_IWUSR,
873 	},
874 	.size = 0,
875 	.write = qla2x00_issue_logo,
876 };
877 
878 static ssize_t
qla2x00_sysfs_read_xgmac_stats(struct file * filp,struct kobject * kobj,struct bin_attribute * bin_attr,char * buf,loff_t off,size_t count)879 qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
880 		       struct bin_attribute *bin_attr,
881 		       char *buf, loff_t off, size_t count)
882 {
883 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
884 	    struct device, kobj)));
885 	struct qla_hw_data *ha = vha->hw;
886 	int rval;
887 	uint16_t actual_size;
888 
889 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
890 		return 0;
891 
892 	if (unlikely(pci_channel_offline(ha->pdev)))
893 		return 0;
894 	mutex_lock(&vha->hw->optrom_mutex);
895 	if (qla2x00_chip_is_down(vha)) {
896 		mutex_unlock(&vha->hw->optrom_mutex);
897 		return 0;
898 	}
899 
900 	if (ha->xgmac_data)
901 		goto do_read;
902 
903 	ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
904 	    &ha->xgmac_data_dma, GFP_KERNEL);
905 	if (!ha->xgmac_data) {
906 		mutex_unlock(&vha->hw->optrom_mutex);
907 		ql_log(ql_log_warn, vha, 0x7076,
908 		    "Unable to allocate memory for XGMAC read-data.\n");
909 		return 0;
910 	}
911 
912 do_read:
913 	actual_size = 0;
914 	memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
915 
916 	rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
917 	    XGMAC_DATA_SIZE, &actual_size);
918 
919 	mutex_unlock(&vha->hw->optrom_mutex);
920 	if (rval != QLA_SUCCESS) {
921 		ql_log(ql_log_warn, vha, 0x7077,
922 		    "Unable to read XGMAC data (%x).\n", rval);
923 		count = 0;
924 	}
925 
926 	count = actual_size > count ? count : actual_size;
927 	memcpy(buf, ha->xgmac_data, count);
928 
929 	return count;
930 }
931 
932 static struct bin_attribute sysfs_xgmac_stats_attr = {
933 	.attr = {
934 		.name = "xgmac_stats",
935 		.mode = S_IRUSR,
936 	},
937 	.size = 0,
938 	.read = qla2x00_sysfs_read_xgmac_stats,
939 };
940 
941 static ssize_t
qla2x00_sysfs_read_dcbx_tlv(struct file * filp,struct kobject * kobj,struct bin_attribute * bin_attr,char * buf,loff_t off,size_t count)942 qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
943 		       struct bin_attribute *bin_attr,
944 		       char *buf, loff_t off, size_t count)
945 {
946 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
947 	    struct device, kobj)));
948 	struct qla_hw_data *ha = vha->hw;
949 	int rval;
950 
951 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
952 		return 0;
953 
954 	mutex_lock(&vha->hw->optrom_mutex);
955 	if (ha->dcbx_tlv)
956 		goto do_read;
957 	if (qla2x00_chip_is_down(vha)) {
958 		mutex_unlock(&vha->hw->optrom_mutex);
959 		return 0;
960 	}
961 
962 	ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
963 	    &ha->dcbx_tlv_dma, GFP_KERNEL);
964 	if (!ha->dcbx_tlv) {
965 		mutex_unlock(&vha->hw->optrom_mutex);
966 		ql_log(ql_log_warn, vha, 0x7078,
967 		    "Unable to allocate memory for DCBX TLV read-data.\n");
968 		return -ENOMEM;
969 	}
970 
971 do_read:
972 	memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
973 
974 	rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
975 	    DCBX_TLV_DATA_SIZE);
976 
977 	mutex_unlock(&vha->hw->optrom_mutex);
978 
979 	if (rval != QLA_SUCCESS) {
980 		ql_log(ql_log_warn, vha, 0x7079,
981 		    "Unable to read DCBX TLV (%x).\n", rval);
982 		return -EIO;
983 	}
984 
985 	memcpy(buf, ha->dcbx_tlv, count);
986 
987 	return count;
988 }
989 
990 static struct bin_attribute sysfs_dcbx_tlv_attr = {
991 	.attr = {
992 		.name = "dcbx_tlv",
993 		.mode = S_IRUSR,
994 	},
995 	.size = 0,
996 	.read = qla2x00_sysfs_read_dcbx_tlv,
997 };
998 
999 static struct sysfs_entry {
1000 	char *name;
1001 	struct bin_attribute *attr;
1002 	int type;
1003 } bin_file_entries[] = {
1004 	{ "fw_dump", &sysfs_fw_dump_attr, },
1005 	{ "nvram", &sysfs_nvram_attr, },
1006 	{ "optrom", &sysfs_optrom_attr, },
1007 	{ "optrom_ctl", &sysfs_optrom_ctl_attr, },
1008 	{ "vpd", &sysfs_vpd_attr, 1 },
1009 	{ "sfp", &sysfs_sfp_attr, 1 },
1010 	{ "reset", &sysfs_reset_attr, },
1011 	{ "issue_logo", &sysfs_issue_logo_attr, },
1012 	{ "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
1013 	{ "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
1014 	{ NULL },
1015 };
1016 
1017 void
qla2x00_alloc_sysfs_attr(scsi_qla_host_t * vha)1018 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
1019 {
1020 	struct Scsi_Host *host = vha->host;
1021 	struct sysfs_entry *iter;
1022 	int ret;
1023 
1024 	for (iter = bin_file_entries; iter->name; iter++) {
1025 		if (iter->type && !IS_FWI2_CAPABLE(vha->hw))
1026 			continue;
1027 		if (iter->type == 2 && !IS_QLA25XX(vha->hw))
1028 			continue;
1029 		if (iter->type == 3 && !(IS_CNA_CAPABLE(vha->hw)))
1030 			continue;
1031 
1032 		ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
1033 		    iter->attr);
1034 		if (ret)
1035 			ql_log(ql_log_warn, vha, 0x00f3,
1036 			    "Unable to create sysfs %s binary attribute (%d).\n",
1037 			    iter->name, ret);
1038 		else
1039 			ql_dbg(ql_dbg_init, vha, 0x00f4,
1040 			    "Successfully created sysfs %s binary attribute.\n",
1041 			    iter->name);
1042 	}
1043 }
1044 
1045 void
qla2x00_free_sysfs_attr(scsi_qla_host_t * vha,bool stop_beacon)1046 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
1047 {
1048 	struct Scsi_Host *host = vha->host;
1049 	struct sysfs_entry *iter;
1050 	struct qla_hw_data *ha = vha->hw;
1051 
1052 	for (iter = bin_file_entries; iter->name; iter++) {
1053 		if (iter->type && !IS_FWI2_CAPABLE(ha))
1054 			continue;
1055 		if (iter->type == 2 && !IS_QLA25XX(ha))
1056 			continue;
1057 		if (iter->type == 3 && !(IS_CNA_CAPABLE(ha)))
1058 			continue;
1059 
1060 		sysfs_remove_bin_file(&host->shost_gendev.kobj,
1061 		    iter->attr);
1062 	}
1063 
1064 	if (stop_beacon && ha->beacon_blink_led == 1)
1065 		ha->isp_ops->beacon_off(vha);
1066 }
1067 
1068 /* Scsi_Host attributes. */
1069 
1070 static ssize_t
qla2x00_driver_version_show(struct device * dev,struct device_attribute * attr,char * buf)1071 qla2x00_driver_version_show(struct device *dev,
1072 			  struct device_attribute *attr, char *buf)
1073 {
1074 	return scnprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
1075 }
1076 
1077 static ssize_t
qla2x00_fw_version_show(struct device * dev,struct device_attribute * attr,char * buf)1078 qla2x00_fw_version_show(struct device *dev,
1079 			struct device_attribute *attr, char *buf)
1080 {
1081 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1082 	struct qla_hw_data *ha = vha->hw;
1083 	char fw_str[128];
1084 
1085 	return scnprintf(buf, PAGE_SIZE, "%s\n",
1086 	    ha->isp_ops->fw_version_str(vha, fw_str, sizeof(fw_str)));
1087 }
1088 
1089 static ssize_t
qla2x00_serial_num_show(struct device * dev,struct device_attribute * attr,char * buf)1090 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
1091 			char *buf)
1092 {
1093 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1094 	struct qla_hw_data *ha = vha->hw;
1095 	uint32_t sn;
1096 
1097 	if (IS_QLAFX00(vha->hw)) {
1098 		return scnprintf(buf, PAGE_SIZE, "%s\n",
1099 		    vha->hw->mr.serial_num);
1100 	} else if (IS_FWI2_CAPABLE(ha)) {
1101 		qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1);
1102 		return strlen(strcat(buf, "\n"));
1103 	}
1104 
1105 	sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
1106 	return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
1107 	    sn % 100000);
1108 }
1109 
1110 static ssize_t
qla2x00_isp_name_show(struct device * dev,struct device_attribute * attr,char * buf)1111 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
1112 		      char *buf)
1113 {
1114 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1115 
1116 	return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
1117 }
1118 
1119 static ssize_t
qla2x00_isp_id_show(struct device * dev,struct device_attribute * attr,char * buf)1120 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
1121 		    char *buf)
1122 {
1123 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1124 	struct qla_hw_data *ha = vha->hw;
1125 
1126 	if (IS_QLAFX00(vha->hw))
1127 		return scnprintf(buf, PAGE_SIZE, "%s\n",
1128 		    vha->hw->mr.hw_version);
1129 
1130 	return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
1131 	    ha->product_id[0], ha->product_id[1], ha->product_id[2],
1132 	    ha->product_id[3]);
1133 }
1134 
1135 static ssize_t
qla2x00_model_name_show(struct device * dev,struct device_attribute * attr,char * buf)1136 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
1137 			char *buf)
1138 {
1139 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1140 
1141 	return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
1142 }
1143 
1144 static ssize_t
qla2x00_model_desc_show(struct device * dev,struct device_attribute * attr,char * buf)1145 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
1146 			char *buf)
1147 {
1148 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1149 
1150 	return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_desc);
1151 }
1152 
1153 static ssize_t
qla2x00_pci_info_show(struct device * dev,struct device_attribute * attr,char * buf)1154 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
1155 		      char *buf)
1156 {
1157 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1158 	char pci_info[30];
1159 
1160 	return scnprintf(buf, PAGE_SIZE, "%s\n",
1161 			 vha->hw->isp_ops->pci_info_str(vha, pci_info,
1162 							sizeof(pci_info)));
1163 }
1164 
1165 static ssize_t
qla2x00_link_state_show(struct device * dev,struct device_attribute * attr,char * buf)1166 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
1167 			char *buf)
1168 {
1169 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1170 	struct qla_hw_data *ha = vha->hw;
1171 	int len = 0;
1172 
1173 	if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
1174 	    atomic_read(&vha->loop_state) == LOOP_DEAD ||
1175 	    vha->device_flags & DFLG_NO_CABLE)
1176 		len = scnprintf(buf, PAGE_SIZE, "Link Down\n");
1177 	else if (atomic_read(&vha->loop_state) != LOOP_READY ||
1178 	    qla2x00_chip_is_down(vha))
1179 		len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n");
1180 	else {
1181 		len = scnprintf(buf, PAGE_SIZE, "Link Up - ");
1182 
1183 		switch (ha->current_topology) {
1184 		case ISP_CFG_NL:
1185 			len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1186 			break;
1187 		case ISP_CFG_FL:
1188 			len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
1189 			break;
1190 		case ISP_CFG_N:
1191 			len += scnprintf(buf + len, PAGE_SIZE-len,
1192 			    "N_Port to N_Port\n");
1193 			break;
1194 		case ISP_CFG_F:
1195 			len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
1196 			break;
1197 		default:
1198 			len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
1199 			break;
1200 		}
1201 	}
1202 	return len;
1203 }
1204 
1205 static ssize_t
qla2x00_zio_show(struct device * dev,struct device_attribute * attr,char * buf)1206 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
1207 		 char *buf)
1208 {
1209 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1210 	int len = 0;
1211 
1212 	switch (vha->hw->zio_mode) {
1213 	case QLA_ZIO_MODE_6:
1214 		len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
1215 		break;
1216 	case QLA_ZIO_DISABLED:
1217 		len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1218 		break;
1219 	}
1220 	return len;
1221 }
1222 
1223 static ssize_t
qla2x00_zio_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)1224 qla2x00_zio_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 	struct qla_hw_data *ha = vha->hw;
1229 	int val = 0;
1230 	uint16_t zio_mode;
1231 
1232 	if (!IS_ZIO_SUPPORTED(ha))
1233 		return -ENOTSUPP;
1234 
1235 	if (sscanf(buf, "%d", &val) != 1)
1236 		return -EINVAL;
1237 
1238 	if (val)
1239 		zio_mode = QLA_ZIO_MODE_6;
1240 	else
1241 		zio_mode = QLA_ZIO_DISABLED;
1242 
1243 	/* Update per-hba values and queue a reset. */
1244 	if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
1245 		ha->zio_mode = zio_mode;
1246 		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1247 	}
1248 	return strlen(buf);
1249 }
1250 
1251 static ssize_t
qla2x00_zio_timer_show(struct device * dev,struct device_attribute * attr,char * buf)1252 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
1253 		       char *buf)
1254 {
1255 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1256 
1257 	return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
1258 }
1259 
1260 static ssize_t
qla2x00_zio_timer_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)1261 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
1262 			const char *buf, size_t count)
1263 {
1264 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1265 	int val = 0;
1266 	uint16_t zio_timer;
1267 
1268 	if (sscanf(buf, "%d", &val) != 1)
1269 		return -EINVAL;
1270 	if (val > 25500 || val < 100)
1271 		return -ERANGE;
1272 
1273 	zio_timer = (uint16_t)(val / 100);
1274 	vha->hw->zio_timer = zio_timer;
1275 
1276 	return strlen(buf);
1277 }
1278 
1279 static ssize_t
qla_zio_threshold_show(struct device * dev,struct device_attribute * attr,char * buf)1280 qla_zio_threshold_show(struct device *dev, struct device_attribute *attr,
1281 		       char *buf)
1282 {
1283 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1284 
1285 	return scnprintf(buf, PAGE_SIZE, "%d exchanges\n",
1286 	    vha->hw->last_zio_threshold);
1287 }
1288 
1289 static ssize_t
qla_zio_threshold_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)1290 qla_zio_threshold_store(struct device *dev, struct device_attribute *attr,
1291     const char *buf, size_t count)
1292 {
1293 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1294 	int val = 0;
1295 
1296 	if (vha->hw->zio_mode != QLA_ZIO_MODE_6)
1297 		return -EINVAL;
1298 	if (sscanf(buf, "%d", &val) != 1)
1299 		return -EINVAL;
1300 	if (val < 0 || val > 256)
1301 		return -ERANGE;
1302 
1303 	atomic_set(&vha->hw->zio_threshold, val);
1304 	return strlen(buf);
1305 }
1306 
1307 static ssize_t
qla2x00_beacon_show(struct device * dev,struct device_attribute * attr,char * buf)1308 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
1309 		    char *buf)
1310 {
1311 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1312 	int len = 0;
1313 
1314 	if (vha->hw->beacon_blink_led)
1315 		len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
1316 	else
1317 		len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
1318 	return len;
1319 }
1320 
1321 static ssize_t
qla2x00_beacon_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)1322 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
1323 		     const char *buf, size_t count)
1324 {
1325 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1326 	struct qla_hw_data *ha = vha->hw;
1327 	int val = 0;
1328 	int rval;
1329 
1330 	if (IS_QLA2100(ha) || IS_QLA2200(ha))
1331 		return -EPERM;
1332 
1333 	if (sscanf(buf, "%d", &val) != 1)
1334 		return -EINVAL;
1335 
1336 	mutex_lock(&vha->hw->optrom_mutex);
1337 	if (qla2x00_chip_is_down(vha)) {
1338 		mutex_unlock(&vha->hw->optrom_mutex);
1339 		ql_log(ql_log_warn, vha, 0x707a,
1340 		    "Abort ISP active -- ignoring beacon request.\n");
1341 		return -EBUSY;
1342 	}
1343 
1344 	if (val)
1345 		rval = ha->isp_ops->beacon_on(vha);
1346 	else
1347 		rval = ha->isp_ops->beacon_off(vha);
1348 
1349 	if (rval != QLA_SUCCESS)
1350 		count = 0;
1351 
1352 	mutex_unlock(&vha->hw->optrom_mutex);
1353 
1354 	return count;
1355 }
1356 
1357 static ssize_t
qla2x00_beacon_config_show(struct device * dev,struct device_attribute * attr,char * buf)1358 qla2x00_beacon_config_show(struct device *dev, struct device_attribute *attr,
1359 	char *buf)
1360 {
1361 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1362 	struct qla_hw_data *ha = vha->hw;
1363 	uint16_t led[3] = { 0 };
1364 
1365 	if (!IS_QLA2031(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1366 		return -EPERM;
1367 
1368 	if (ql26xx_led_config(vha, 0, led))
1369 		return scnprintf(buf, PAGE_SIZE, "\n");
1370 
1371 	return scnprintf(buf, PAGE_SIZE, "%#04hx %#04hx %#04hx\n",
1372 	    led[0], led[1], led[2]);
1373 }
1374 
1375 static ssize_t
qla2x00_beacon_config_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)1376 qla2x00_beacon_config_store(struct device *dev, struct device_attribute *attr,
1377 	const char *buf, size_t count)
1378 {
1379 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1380 	struct qla_hw_data *ha = vha->hw;
1381 	uint16_t options = BIT_0;
1382 	uint16_t led[3] = { 0 };
1383 	uint16_t word[4];
1384 	int n;
1385 
1386 	if (!IS_QLA2031(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1387 		return -EPERM;
1388 
1389 	n = sscanf(buf, "%hx %hx %hx %hx", word+0, word+1, word+2, word+3);
1390 	if (n == 4) {
1391 		if (word[0] == 3) {
1392 			options |= BIT_3|BIT_2|BIT_1;
1393 			led[0] = word[1];
1394 			led[1] = word[2];
1395 			led[2] = word[3];
1396 			goto write;
1397 		}
1398 		return -EINVAL;
1399 	}
1400 
1401 	if (n == 2) {
1402 		/* check led index */
1403 		if (word[0] == 0) {
1404 			options |= BIT_2;
1405 			led[0] = word[1];
1406 			goto write;
1407 		}
1408 		if (word[0] == 1) {
1409 			options |= BIT_3;
1410 			led[1] = word[1];
1411 			goto write;
1412 		}
1413 		if (word[0] == 2) {
1414 			options |= BIT_1;
1415 			led[2] = word[1];
1416 			goto write;
1417 		}
1418 		return -EINVAL;
1419 	}
1420 
1421 	return -EINVAL;
1422 
1423 write:
1424 	if (ql26xx_led_config(vha, options, led))
1425 		return -EFAULT;
1426 
1427 	return count;
1428 }
1429 
1430 static ssize_t
qla2x00_optrom_bios_version_show(struct device * dev,struct device_attribute * attr,char * buf)1431 qla2x00_optrom_bios_version_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 	struct qla_hw_data *ha = vha->hw;
1436 
1437 	return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1438 	    ha->bios_revision[0]);
1439 }
1440 
1441 static ssize_t
qla2x00_optrom_efi_version_show(struct device * dev,struct device_attribute * attr,char * buf)1442 qla2x00_optrom_efi_version_show(struct device *dev,
1443 				struct device_attribute *attr, char *buf)
1444 {
1445 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1446 	struct qla_hw_data *ha = vha->hw;
1447 
1448 	return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1449 	    ha->efi_revision[0]);
1450 }
1451 
1452 static ssize_t
qla2x00_optrom_fcode_version_show(struct device * dev,struct device_attribute * attr,char * buf)1453 qla2x00_optrom_fcode_version_show(struct device *dev,
1454 				  struct device_attribute *attr, char *buf)
1455 {
1456 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1457 	struct qla_hw_data *ha = vha->hw;
1458 
1459 	return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1460 	    ha->fcode_revision[0]);
1461 }
1462 
1463 static ssize_t
qla2x00_optrom_fw_version_show(struct device * dev,struct device_attribute * attr,char * buf)1464 qla2x00_optrom_fw_version_show(struct device *dev,
1465 			       struct device_attribute *attr, char *buf)
1466 {
1467 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1468 	struct qla_hw_data *ha = vha->hw;
1469 
1470 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1471 	    ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1472 	    ha->fw_revision[3]);
1473 }
1474 
1475 static ssize_t
qla2x00_optrom_gold_fw_version_show(struct device * dev,struct device_attribute * attr,char * buf)1476 qla2x00_optrom_gold_fw_version_show(struct device *dev,
1477     struct device_attribute *attr, char *buf)
1478 {
1479 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1480 	struct qla_hw_data *ha = vha->hw;
1481 
1482 	if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1483 	    !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1484 		return scnprintf(buf, PAGE_SIZE, "\n");
1485 
1486 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
1487 	    ha->gold_fw_version[0], ha->gold_fw_version[1],
1488 	    ha->gold_fw_version[2], ha->gold_fw_version[3]);
1489 }
1490 
1491 static ssize_t
qla2x00_total_isp_aborts_show(struct device * dev,struct device_attribute * attr,char * buf)1492 qla2x00_total_isp_aborts_show(struct device *dev,
1493 			      struct device_attribute *attr, char *buf)
1494 {
1495 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1496 
1497 	return scnprintf(buf, PAGE_SIZE, "%d\n",
1498 	    vha->qla_stats.total_isp_aborts);
1499 }
1500 
1501 static ssize_t
qla24xx_84xx_fw_version_show(struct device * dev,struct device_attribute * attr,char * buf)1502 qla24xx_84xx_fw_version_show(struct device *dev,
1503 	struct device_attribute *attr, char *buf)
1504 {
1505 	int rval = QLA_SUCCESS;
1506 	uint16_t status[2] = { 0 };
1507 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1508 	struct qla_hw_data *ha = vha->hw;
1509 
1510 	if (!IS_QLA84XX(ha))
1511 		return scnprintf(buf, PAGE_SIZE, "\n");
1512 
1513 	if (!ha->cs84xx->op_fw_version) {
1514 		rval = qla84xx_verify_chip(vha, status);
1515 
1516 		if (!rval && !status[0])
1517 			return scnprintf(buf, PAGE_SIZE, "%u\n",
1518 			    (uint32_t)ha->cs84xx->op_fw_version);
1519 	}
1520 
1521 	return scnprintf(buf, PAGE_SIZE, "\n");
1522 }
1523 
1524 static ssize_t
qla2x00_serdes_version_show(struct device * dev,struct device_attribute * attr,char * buf)1525 qla2x00_serdes_version_show(struct device *dev, struct device_attribute *attr,
1526     char *buf)
1527 {
1528 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1529 	struct qla_hw_data *ha = vha->hw;
1530 
1531 	if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1532 		return scnprintf(buf, PAGE_SIZE, "\n");
1533 
1534 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1535 	    ha->serdes_version[0], ha->serdes_version[1],
1536 	    ha->serdes_version[2]);
1537 }
1538 
1539 static ssize_t
qla2x00_mpi_version_show(struct device * dev,struct device_attribute * attr,char * buf)1540 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1541     char *buf)
1542 {
1543 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1544 	struct qla_hw_data *ha = vha->hw;
1545 
1546 	if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha) &&
1547 	    !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1548 		return scnprintf(buf, PAGE_SIZE, "\n");
1549 
1550 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1551 	    ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1552 	    ha->mpi_capabilities);
1553 }
1554 
1555 static ssize_t
qla2x00_phy_version_show(struct device * dev,struct device_attribute * attr,char * buf)1556 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1557     char *buf)
1558 {
1559 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1560 	struct qla_hw_data *ha = vha->hw;
1561 
1562 	if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
1563 		return scnprintf(buf, PAGE_SIZE, "\n");
1564 
1565 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1566 	    ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1567 }
1568 
1569 static ssize_t
qla2x00_flash_block_size_show(struct device * dev,struct device_attribute * attr,char * buf)1570 qla2x00_flash_block_size_show(struct device *dev,
1571 			      struct device_attribute *attr, char *buf)
1572 {
1573 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1574 	struct qla_hw_data *ha = vha->hw;
1575 
1576 	return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1577 }
1578 
1579 static ssize_t
qla2x00_vlan_id_show(struct device * dev,struct device_attribute * attr,char * buf)1580 qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
1581     char *buf)
1582 {
1583 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1584 
1585 	if (!IS_CNA_CAPABLE(vha->hw))
1586 		return scnprintf(buf, PAGE_SIZE, "\n");
1587 
1588 	return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
1589 }
1590 
1591 static ssize_t
qla2x00_vn_port_mac_address_show(struct device * dev,struct device_attribute * attr,char * buf)1592 qla2x00_vn_port_mac_address_show(struct device *dev,
1593     struct device_attribute *attr, char *buf)
1594 {
1595 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1596 
1597 	if (!IS_CNA_CAPABLE(vha->hw))
1598 		return scnprintf(buf, PAGE_SIZE, "\n");
1599 
1600 	return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
1601 }
1602 
1603 static ssize_t
qla2x00_fabric_param_show(struct device * dev,struct device_attribute * attr,char * buf)1604 qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
1605     char *buf)
1606 {
1607 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1608 
1609 	return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
1610 }
1611 
1612 static ssize_t
qla2x00_thermal_temp_show(struct device * dev,struct device_attribute * attr,char * buf)1613 qla2x00_thermal_temp_show(struct device *dev,
1614 	struct device_attribute *attr, char *buf)
1615 {
1616 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1617 	uint16_t temp = 0;
1618 	int rc;
1619 
1620 	mutex_lock(&vha->hw->optrom_mutex);
1621 	if (qla2x00_chip_is_down(vha)) {
1622 		mutex_unlock(&vha->hw->optrom_mutex);
1623 		ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
1624 		goto done;
1625 	}
1626 
1627 	if (vha->hw->flags.eeh_busy) {
1628 		mutex_unlock(&vha->hw->optrom_mutex);
1629 		ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
1630 		goto done;
1631 	}
1632 
1633 	rc = qla2x00_get_thermal_temp(vha, &temp);
1634 	mutex_unlock(&vha->hw->optrom_mutex);
1635 	if (rc == QLA_SUCCESS)
1636 		return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
1637 
1638 done:
1639 	return scnprintf(buf, PAGE_SIZE, "\n");
1640 }
1641 
1642 static ssize_t
qla2x00_fw_state_show(struct device * dev,struct device_attribute * attr,char * buf)1643 qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
1644     char *buf)
1645 {
1646 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1647 	int rval = QLA_FUNCTION_FAILED;
1648 	uint16_t state[6];
1649 	uint32_t pstate;
1650 
1651 	if (IS_QLAFX00(vha->hw)) {
1652 		pstate = qlafx00_fw_state_show(dev, attr, buf);
1653 		return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
1654 	}
1655 
1656 	mutex_lock(&vha->hw->optrom_mutex);
1657 	if (qla2x00_chip_is_down(vha)) {
1658 		mutex_unlock(&vha->hw->optrom_mutex);
1659 		ql_log(ql_log_warn, vha, 0x707c,
1660 		    "ISP reset active.\n");
1661 		goto out;
1662 	} else if (vha->hw->flags.eeh_busy) {
1663 		mutex_unlock(&vha->hw->optrom_mutex);
1664 		goto out;
1665 	}
1666 
1667 	rval = qla2x00_get_firmware_state(vha, state);
1668 	mutex_unlock(&vha->hw->optrom_mutex);
1669 out:
1670 	if (rval != QLA_SUCCESS) {
1671 		memset(state, -1, sizeof(state));
1672 		rval = qla2x00_get_firmware_state(vha, state);
1673 	}
1674 
1675 	return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1676 	    state[0], state[1], state[2], state[3], state[4], state[5]);
1677 }
1678 
1679 static ssize_t
qla2x00_diag_requests_show(struct device * dev,struct device_attribute * attr,char * buf)1680 qla2x00_diag_requests_show(struct device *dev,
1681 	struct device_attribute *attr, char *buf)
1682 {
1683 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1684 
1685 	if (!IS_BIDI_CAPABLE(vha->hw))
1686 		return scnprintf(buf, PAGE_SIZE, "\n");
1687 
1688 	return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
1689 }
1690 
1691 static ssize_t
qla2x00_diag_megabytes_show(struct device * dev,struct device_attribute * attr,char * buf)1692 qla2x00_diag_megabytes_show(struct device *dev,
1693 	struct device_attribute *attr, char *buf)
1694 {
1695 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1696 
1697 	if (!IS_BIDI_CAPABLE(vha->hw))
1698 		return scnprintf(buf, PAGE_SIZE, "\n");
1699 
1700 	return scnprintf(buf, PAGE_SIZE, "%llu\n",
1701 	    vha->bidi_stats.transfer_bytes >> 20);
1702 }
1703 
1704 static ssize_t
qla2x00_fw_dump_size_show(struct device * dev,struct device_attribute * attr,char * buf)1705 qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
1706 	char *buf)
1707 {
1708 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1709 	struct qla_hw_data *ha = vha->hw;
1710 	uint32_t size;
1711 
1712 	if (!ha->fw_dumped)
1713 		size = 0;
1714 	else if (IS_P3P_TYPE(ha))
1715 		size = ha->md_template_size + ha->md_dump_size;
1716 	else
1717 		size = ha->fw_dump_len;
1718 
1719 	return scnprintf(buf, PAGE_SIZE, "%d\n", size);
1720 }
1721 
1722 static ssize_t
qla2x00_allow_cna_fw_dump_show(struct device * dev,struct device_attribute * attr,char * buf)1723 qla2x00_allow_cna_fw_dump_show(struct device *dev,
1724 	struct device_attribute *attr, char *buf)
1725 {
1726 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1727 
1728 	if (!IS_P3P_TYPE(vha->hw))
1729 		return scnprintf(buf, PAGE_SIZE, "\n");
1730 	else
1731 		return scnprintf(buf, PAGE_SIZE, "%s\n",
1732 		    vha->hw->allow_cna_fw_dump ? "true" : "false");
1733 }
1734 
1735 static ssize_t
qla2x00_allow_cna_fw_dump_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)1736 qla2x00_allow_cna_fw_dump_store(struct device *dev,
1737 	struct device_attribute *attr, const char *buf, size_t count)
1738 {
1739 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1740 	int val = 0;
1741 
1742 	if (!IS_P3P_TYPE(vha->hw))
1743 		return -EINVAL;
1744 
1745 	if (sscanf(buf, "%d", &val) != 1)
1746 		return -EINVAL;
1747 
1748 	vha->hw->allow_cna_fw_dump = val != 0;
1749 
1750 	return strlen(buf);
1751 }
1752 
1753 static ssize_t
qla2x00_pep_version_show(struct device * dev,struct device_attribute * attr,char * buf)1754 qla2x00_pep_version_show(struct device *dev, struct device_attribute *attr,
1755 	char *buf)
1756 {
1757 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1758 	struct qla_hw_data *ha = vha->hw;
1759 
1760 	if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1761 		return scnprintf(buf, PAGE_SIZE, "\n");
1762 
1763 	return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1764 	    ha->pep_version[0], ha->pep_version[1], ha->pep_version[2]);
1765 }
1766 
1767 static ssize_t
qla2x00_min_supported_speed_show(struct device * dev,struct device_attribute * attr,char * buf)1768 qla2x00_min_supported_speed_show(struct device *dev,
1769     struct device_attribute *attr, char *buf)
1770 {
1771 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1772 	struct qla_hw_data *ha = vha->hw;
1773 
1774 	if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1775 		return scnprintf(buf, PAGE_SIZE, "\n");
1776 
1777 	return scnprintf(buf, PAGE_SIZE, "%s\n",
1778 	    ha->min_supported_speed == 6 ? "64Gps" :
1779 	    ha->min_supported_speed == 5 ? "32Gps" :
1780 	    ha->min_supported_speed == 4 ? "16Gps" :
1781 	    ha->min_supported_speed == 3 ? "8Gps" :
1782 	    ha->min_supported_speed == 2 ? "4Gps" :
1783 	    ha->min_supported_speed != 0 ? "unknown" : "");
1784 }
1785 
1786 static ssize_t
qla2x00_max_supported_speed_show(struct device * dev,struct device_attribute * attr,char * buf)1787 qla2x00_max_supported_speed_show(struct device *dev,
1788     struct device_attribute *attr, char *buf)
1789 {
1790 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1791 	struct qla_hw_data *ha = vha->hw;
1792 
1793 	if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1794 		return scnprintf(buf, PAGE_SIZE, "\n");
1795 
1796 	return scnprintf(buf, PAGE_SIZE, "%s\n",
1797 	    ha->max_supported_speed  == 2 ? "64Gps" :
1798 	    ha->max_supported_speed  == 1 ? "32Gps" :
1799 	    ha->max_supported_speed  == 0 ? "16Gps" : "unknown");
1800 }
1801 
1802 static ssize_t
qla2x00_port_speed_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)1803 qla2x00_port_speed_store(struct device *dev, struct device_attribute *attr,
1804     const char *buf, size_t count)
1805 {
1806 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(dev));
1807 	ulong type, speed;
1808 	int oldspeed, rval;
1809 	int mode = QLA_SET_DATA_RATE_LR;
1810 	struct qla_hw_data *ha = vha->hw;
1811 
1812 	if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) {
1813 		ql_log(ql_log_warn, vha, 0x70d8,
1814 		    "Speed setting not supported \n");
1815 		return -EINVAL;
1816 	}
1817 
1818 	rval = kstrtol(buf, 10, &type);
1819 	if (rval)
1820 		return rval;
1821 	speed = type;
1822 	if (type == 40 || type == 80 || type == 160 ||
1823 	    type == 320) {
1824 		ql_dbg(ql_dbg_user, vha, 0x70d9,
1825 		    "Setting will be affected after a loss of sync\n");
1826 		type = type/10;
1827 		mode = QLA_SET_DATA_RATE_NOLR;
1828 	}
1829 
1830 	oldspeed = ha->set_data_rate;
1831 
1832 	switch (type) {
1833 	case 0:
1834 		ha->set_data_rate = PORT_SPEED_AUTO;
1835 		break;
1836 	case 4:
1837 		ha->set_data_rate = PORT_SPEED_4GB;
1838 		break;
1839 	case 8:
1840 		ha->set_data_rate = PORT_SPEED_8GB;
1841 		break;
1842 	case 16:
1843 		ha->set_data_rate = PORT_SPEED_16GB;
1844 		break;
1845 	case 32:
1846 		ha->set_data_rate = PORT_SPEED_32GB;
1847 		break;
1848 	default:
1849 		ql_log(ql_log_warn, vha, 0x1199,
1850 		    "Unrecognized speed setting:%lx. Setting Autoneg\n",
1851 		    speed);
1852 		ha->set_data_rate = PORT_SPEED_AUTO;
1853 	}
1854 
1855 	if (qla2x00_chip_is_down(vha) || (oldspeed == ha->set_data_rate))
1856 		return -EINVAL;
1857 
1858 	ql_log(ql_log_info, vha, 0x70da,
1859 	    "Setting speed to %lx Gbps \n", type);
1860 
1861 	rval = qla2x00_set_data_rate(vha, mode);
1862 	if (rval != QLA_SUCCESS)
1863 		return -EIO;
1864 
1865 	return strlen(buf);
1866 }
1867 
1868 static const struct {
1869 	u16 rate;
1870 	char *str;
1871 } port_speed_str[] = {
1872 	{ PORT_SPEED_4GB, "4" },
1873 	{ PORT_SPEED_8GB, "8" },
1874 	{ PORT_SPEED_16GB, "16" },
1875 	{ PORT_SPEED_32GB, "32" },
1876 	{ PORT_SPEED_64GB, "64" },
1877 	{ PORT_SPEED_10GB, "10" },
1878 };
1879 
1880 static ssize_t
qla2x00_port_speed_show(struct device * dev,struct device_attribute * attr,char * buf)1881 qla2x00_port_speed_show(struct device *dev, struct device_attribute *attr,
1882     char *buf)
1883 {
1884 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(dev));
1885 	struct qla_hw_data *ha = vha->hw;
1886 	ssize_t rval;
1887 	u16 i;
1888 	char *speed = "Unknown";
1889 
1890 	rval = qla2x00_get_data_rate(vha);
1891 	if (rval != QLA_SUCCESS) {
1892 		ql_log(ql_log_warn, vha, 0x70db,
1893 		    "Unable to get port speed rval:%zd\n", rval);
1894 		return -EINVAL;
1895 	}
1896 
1897 	for (i = 0; i < ARRAY_SIZE(port_speed_str); i++) {
1898 		if (port_speed_str[i].rate != ha->link_data_rate)
1899 			continue;
1900 		speed = port_speed_str[i].str;
1901 		break;
1902 	}
1903 
1904 	return scnprintf(buf, PAGE_SIZE, "%s\n", speed);
1905 }
1906 
1907 static ssize_t
qla2x00_mpi_pause_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)1908 qla2x00_mpi_pause_store(struct device *dev,
1909 	struct device_attribute *attr, const char *buf, size_t count)
1910 {
1911 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1912 	int rval = 0;
1913 
1914 	if (sscanf(buf, "%d", &rval) != 1)
1915 		return -EINVAL;
1916 
1917 	ql_log(ql_log_warn, vha, 0x7089, "Pausing MPI...\n");
1918 
1919 	rval = qla83xx_wr_reg(vha, 0x002012d4, 0x30000001);
1920 
1921 	if (rval != QLA_SUCCESS) {
1922 		ql_log(ql_log_warn, vha, 0x708a, "Unable to pause MPI.\n");
1923 		count = 0;
1924 	}
1925 
1926 	return count;
1927 }
1928 
1929 static DEVICE_ATTR(mpi_pause, S_IWUSR, NULL, qla2x00_mpi_pause_store);
1930 
1931 /* ----- */
1932 
1933 static ssize_t
qlini_mode_show(struct device * dev,struct device_attribute * attr,char * buf)1934 qlini_mode_show(struct device *dev, struct device_attribute *attr, char *buf)
1935 {
1936 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1937 	int len = 0;
1938 
1939 	len += scnprintf(buf + len, PAGE_SIZE-len,
1940 	    "Supported options: enabled | disabled | dual | exclusive\n");
1941 
1942 	/* --- */
1943 	len += scnprintf(buf + len, PAGE_SIZE-len, "Current selection: ");
1944 
1945 	switch (vha->qlini_mode) {
1946 	case QLA2XXX_INI_MODE_EXCLUSIVE:
1947 		len += scnprintf(buf + len, PAGE_SIZE-len,
1948 		    QLA2XXX_INI_MODE_STR_EXCLUSIVE);
1949 		break;
1950 	case QLA2XXX_INI_MODE_DISABLED:
1951 		len += scnprintf(buf + len, PAGE_SIZE-len,
1952 		    QLA2XXX_INI_MODE_STR_DISABLED);
1953 		break;
1954 	case QLA2XXX_INI_MODE_ENABLED:
1955 		len += scnprintf(buf + len, PAGE_SIZE-len,
1956 		    QLA2XXX_INI_MODE_STR_ENABLED);
1957 		break;
1958 	case QLA2XXX_INI_MODE_DUAL:
1959 		len += scnprintf(buf + len, PAGE_SIZE-len,
1960 		    QLA2XXX_INI_MODE_STR_DUAL);
1961 		break;
1962 	}
1963 	len += scnprintf(buf + len, PAGE_SIZE-len, "\n");
1964 
1965 	return len;
1966 }
1967 
1968 static char *mode_to_str[] = {
1969 	"exclusive",
1970 	"disabled",
1971 	"enabled",
1972 	"dual",
1973 };
1974 
1975 #define NEED_EXCH_OFFLOAD(_exchg) ((_exchg) > FW_DEF_EXCHANGES_CNT)
qla_set_ini_mode(scsi_qla_host_t * vha,int op)1976 static void qla_set_ini_mode(scsi_qla_host_t *vha, int op)
1977 {
1978 	enum {
1979 		NO_ACTION,
1980 		MODE_CHANGE_ACCEPT,
1981 		MODE_CHANGE_NO_ACTION,
1982 		TARGET_STILL_ACTIVE,
1983 	};
1984 	int action = NO_ACTION;
1985 	int set_mode = 0;
1986 	u8  eo_toggle = 0;	/* exchange offload flipped */
1987 
1988 	switch (vha->qlini_mode) {
1989 	case QLA2XXX_INI_MODE_DISABLED:
1990 		switch (op) {
1991 		case QLA2XXX_INI_MODE_DISABLED:
1992 			if (qla_tgt_mode_enabled(vha)) {
1993 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
1994 				    vha->hw->flags.exchoffld_enabled)
1995 					eo_toggle = 1;
1996 				if (((vha->ql2xexchoffld !=
1997 				    vha->u_ql2xexchoffld) &&
1998 				    NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
1999 				    eo_toggle) {
2000 					/*
2001 					 * The number of exchange to be offload
2002 					 * was tweaked or offload option was
2003 					 * flipped
2004 					 */
2005 					action = MODE_CHANGE_ACCEPT;
2006 				} else {
2007 					action = MODE_CHANGE_NO_ACTION;
2008 				}
2009 			} else {
2010 				action = MODE_CHANGE_NO_ACTION;
2011 			}
2012 			break;
2013 		case QLA2XXX_INI_MODE_EXCLUSIVE:
2014 			if (qla_tgt_mode_enabled(vha)) {
2015 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
2016 				    vha->hw->flags.exchoffld_enabled)
2017 					eo_toggle = 1;
2018 				if (((vha->ql2xexchoffld !=
2019 				    vha->u_ql2xexchoffld) &&
2020 				    NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
2021 				    eo_toggle) {
2022 					/*
2023 					 * The number of exchange to be offload
2024 					 * was tweaked or offload option was
2025 					 * flipped
2026 					 */
2027 					action = MODE_CHANGE_ACCEPT;
2028 				} else {
2029 					action = MODE_CHANGE_NO_ACTION;
2030 				}
2031 			} else {
2032 				action = MODE_CHANGE_ACCEPT;
2033 			}
2034 			break;
2035 		case QLA2XXX_INI_MODE_DUAL:
2036 			action = MODE_CHANGE_ACCEPT;
2037 			/* active_mode is target only, reset it to dual */
2038 			if (qla_tgt_mode_enabled(vha)) {
2039 				set_mode = 1;
2040 				action = MODE_CHANGE_ACCEPT;
2041 			} else {
2042 				action = MODE_CHANGE_NO_ACTION;
2043 			}
2044 			break;
2045 
2046 		case QLA2XXX_INI_MODE_ENABLED:
2047 			if (qla_tgt_mode_enabled(vha))
2048 				action = TARGET_STILL_ACTIVE;
2049 			else {
2050 				action = MODE_CHANGE_ACCEPT;
2051 				set_mode = 1;
2052 			}
2053 			break;
2054 		}
2055 		break;
2056 
2057 	case QLA2XXX_INI_MODE_EXCLUSIVE:
2058 		switch (op) {
2059 		case QLA2XXX_INI_MODE_EXCLUSIVE:
2060 			if (qla_tgt_mode_enabled(vha)) {
2061 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
2062 				    vha->hw->flags.exchoffld_enabled)
2063 					eo_toggle = 1;
2064 				if (((vha->ql2xexchoffld !=
2065 				    vha->u_ql2xexchoffld) &&
2066 				    NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
2067 				    eo_toggle)
2068 					/*
2069 					 * The number of exchange to be offload
2070 					 * was tweaked or offload option was
2071 					 * flipped
2072 					 */
2073 					action = MODE_CHANGE_ACCEPT;
2074 				else
2075 					action = NO_ACTION;
2076 			} else
2077 				action = NO_ACTION;
2078 
2079 			break;
2080 
2081 		case QLA2XXX_INI_MODE_DISABLED:
2082 			if (qla_tgt_mode_enabled(vha)) {
2083 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
2084 				    vha->hw->flags.exchoffld_enabled)
2085 					eo_toggle = 1;
2086 				if (((vha->ql2xexchoffld !=
2087 				      vha->u_ql2xexchoffld) &&
2088 				    NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
2089 				    eo_toggle)
2090 					action = MODE_CHANGE_ACCEPT;
2091 				else
2092 					action = MODE_CHANGE_NO_ACTION;
2093 			} else
2094 				action = MODE_CHANGE_NO_ACTION;
2095 			break;
2096 
2097 		case QLA2XXX_INI_MODE_DUAL: /* exclusive -> dual */
2098 			if (qla_tgt_mode_enabled(vha)) {
2099 				action = MODE_CHANGE_ACCEPT;
2100 				set_mode = 1;
2101 			} else
2102 				action = MODE_CHANGE_ACCEPT;
2103 			break;
2104 
2105 		case QLA2XXX_INI_MODE_ENABLED:
2106 			if (qla_tgt_mode_enabled(vha))
2107 				action = TARGET_STILL_ACTIVE;
2108 			else {
2109 				if (vha->hw->flags.fw_started)
2110 					action = MODE_CHANGE_NO_ACTION;
2111 				else
2112 					action = MODE_CHANGE_ACCEPT;
2113 			}
2114 			break;
2115 		}
2116 		break;
2117 
2118 	case QLA2XXX_INI_MODE_ENABLED:
2119 		switch (op) {
2120 		case QLA2XXX_INI_MODE_ENABLED:
2121 			if (NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg) !=
2122 			    vha->hw->flags.exchoffld_enabled)
2123 				eo_toggle = 1;
2124 			if (((vha->ql2xiniexchg != vha->u_ql2xiniexchg) &&
2125 				NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg)) ||
2126 			    eo_toggle)
2127 				action = MODE_CHANGE_ACCEPT;
2128 			else
2129 				action = NO_ACTION;
2130 			break;
2131 		case QLA2XXX_INI_MODE_DUAL:
2132 		case QLA2XXX_INI_MODE_DISABLED:
2133 			action = MODE_CHANGE_ACCEPT;
2134 			break;
2135 		default:
2136 			action = MODE_CHANGE_NO_ACTION;
2137 			break;
2138 		}
2139 		break;
2140 
2141 	case QLA2XXX_INI_MODE_DUAL:
2142 		switch (op) {
2143 		case QLA2XXX_INI_MODE_DUAL:
2144 			if (qla_tgt_mode_enabled(vha) ||
2145 			    qla_dual_mode_enabled(vha)) {
2146 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld +
2147 					vha->u_ql2xiniexchg) !=
2148 				    vha->hw->flags.exchoffld_enabled)
2149 					eo_toggle = 1;
2150 
2151 				if ((((vha->ql2xexchoffld +
2152 				       vha->ql2xiniexchg) !=
2153 				    (vha->u_ql2xiniexchg +
2154 				     vha->u_ql2xexchoffld)) &&
2155 				    NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg +
2156 					vha->u_ql2xexchoffld)) || eo_toggle)
2157 					action = MODE_CHANGE_ACCEPT;
2158 				else
2159 					action = NO_ACTION;
2160 			} else {
2161 				if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld +
2162 					vha->u_ql2xiniexchg) !=
2163 				    vha->hw->flags.exchoffld_enabled)
2164 					eo_toggle = 1;
2165 
2166 				if ((((vha->ql2xexchoffld + vha->ql2xiniexchg)
2167 				    != (vha->u_ql2xiniexchg +
2168 					vha->u_ql2xexchoffld)) &&
2169 				    NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg +
2170 					vha->u_ql2xexchoffld)) || eo_toggle)
2171 					action = MODE_CHANGE_NO_ACTION;
2172 				else
2173 					action = NO_ACTION;
2174 			}
2175 			break;
2176 
2177 		case QLA2XXX_INI_MODE_DISABLED:
2178 			if (qla_tgt_mode_enabled(vha) ||
2179 			    qla_dual_mode_enabled(vha)) {
2180 				/* turning off initiator mode */
2181 				set_mode = 1;
2182 				action = MODE_CHANGE_ACCEPT;
2183 			} else {
2184 				action = MODE_CHANGE_NO_ACTION;
2185 			}
2186 			break;
2187 
2188 		case QLA2XXX_INI_MODE_EXCLUSIVE:
2189 			if (qla_tgt_mode_enabled(vha) ||
2190 			    qla_dual_mode_enabled(vha)) {
2191 				set_mode = 1;
2192 				action = MODE_CHANGE_ACCEPT;
2193 			} else {
2194 				action = MODE_CHANGE_ACCEPT;
2195 			}
2196 			break;
2197 
2198 		case QLA2XXX_INI_MODE_ENABLED:
2199 			if (qla_tgt_mode_enabled(vha) ||
2200 			    qla_dual_mode_enabled(vha)) {
2201 				action = TARGET_STILL_ACTIVE;
2202 			} else {
2203 				action = MODE_CHANGE_ACCEPT;
2204 			}
2205 		}
2206 		break;
2207 	}
2208 
2209 	switch (action) {
2210 	case MODE_CHANGE_ACCEPT:
2211 		ql_log(ql_log_warn, vha, 0xffff,
2212 		    "Mode change accepted. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n",
2213 		    mode_to_str[vha->qlini_mode], mode_to_str[op],
2214 		    vha->ql2xexchoffld, vha->u_ql2xexchoffld,
2215 		    vha->ql2xiniexchg, vha->u_ql2xiniexchg);
2216 
2217 		vha->qlini_mode = op;
2218 		vha->ql2xexchoffld = vha->u_ql2xexchoffld;
2219 		vha->ql2xiniexchg = vha->u_ql2xiniexchg;
2220 		if (set_mode)
2221 			qlt_set_mode(vha);
2222 		vha->flags.online = 1;
2223 		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2224 		break;
2225 
2226 	case MODE_CHANGE_NO_ACTION:
2227 		ql_log(ql_log_warn, vha, 0xffff,
2228 		    "Mode is set. No action taken. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n",
2229 		    mode_to_str[vha->qlini_mode], mode_to_str[op],
2230 		    vha->ql2xexchoffld, vha->u_ql2xexchoffld,
2231 		    vha->ql2xiniexchg, vha->u_ql2xiniexchg);
2232 		vha->qlini_mode = op;
2233 		vha->ql2xexchoffld = vha->u_ql2xexchoffld;
2234 		vha->ql2xiniexchg = vha->u_ql2xiniexchg;
2235 		break;
2236 
2237 	case TARGET_STILL_ACTIVE:
2238 		ql_log(ql_log_warn, vha, 0xffff,
2239 		    "Target Mode is active. Unable to change Mode.\n");
2240 		break;
2241 
2242 	case NO_ACTION:
2243 	default:
2244 		ql_log(ql_log_warn, vha, 0xffff,
2245 		    "Mode unchange. No action taken. %d|%d pct %d|%d.\n",
2246 		    vha->qlini_mode, op,
2247 		    vha->ql2xexchoffld, vha->u_ql2xexchoffld);
2248 		break;
2249 	}
2250 }
2251 
2252 static ssize_t
qlini_mode_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)2253 qlini_mode_store(struct device *dev, struct device_attribute *attr,
2254     const char *buf, size_t count)
2255 {
2256 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2257 	int ini;
2258 
2259 	if (!buf)
2260 		return -EINVAL;
2261 
2262 	if (strncasecmp(QLA2XXX_INI_MODE_STR_EXCLUSIVE, buf,
2263 		strlen(QLA2XXX_INI_MODE_STR_EXCLUSIVE)) == 0)
2264 		ini = QLA2XXX_INI_MODE_EXCLUSIVE;
2265 	else if (strncasecmp(QLA2XXX_INI_MODE_STR_DISABLED, buf,
2266 		strlen(QLA2XXX_INI_MODE_STR_DISABLED)) == 0)
2267 		ini = QLA2XXX_INI_MODE_DISABLED;
2268 	else if (strncasecmp(QLA2XXX_INI_MODE_STR_ENABLED, buf,
2269 		  strlen(QLA2XXX_INI_MODE_STR_ENABLED)) == 0)
2270 		ini = QLA2XXX_INI_MODE_ENABLED;
2271 	else if (strncasecmp(QLA2XXX_INI_MODE_STR_DUAL, buf,
2272 		strlen(QLA2XXX_INI_MODE_STR_DUAL)) == 0)
2273 		ini = QLA2XXX_INI_MODE_DUAL;
2274 	else
2275 		return -EINVAL;
2276 
2277 	qla_set_ini_mode(vha, ini);
2278 	return strlen(buf);
2279 }
2280 
2281 static ssize_t
ql2xexchoffld_show(struct device * dev,struct device_attribute * attr,char * buf)2282 ql2xexchoffld_show(struct device *dev, struct device_attribute *attr,
2283     char *buf)
2284 {
2285 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2286 	int len = 0;
2287 
2288 	len += scnprintf(buf + len, PAGE_SIZE-len,
2289 		"target exchange: new %d : current: %d\n\n",
2290 		vha->u_ql2xexchoffld, vha->ql2xexchoffld);
2291 
2292 	len += scnprintf(buf + len, PAGE_SIZE-len,
2293 	    "Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n",
2294 	    vha->host_no);
2295 
2296 	return len;
2297 }
2298 
2299 static ssize_t
ql2xexchoffld_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)2300 ql2xexchoffld_store(struct device *dev, struct device_attribute *attr,
2301     const char *buf, size_t count)
2302 {
2303 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2304 	int val = 0;
2305 
2306 	if (sscanf(buf, "%d", &val) != 1)
2307 		return -EINVAL;
2308 
2309 	if (val > FW_MAX_EXCHANGES_CNT)
2310 		val = FW_MAX_EXCHANGES_CNT;
2311 	else if (val < 0)
2312 		val = 0;
2313 
2314 	vha->u_ql2xexchoffld = val;
2315 	return strlen(buf);
2316 }
2317 
2318 static ssize_t
ql2xiniexchg_show(struct device * dev,struct device_attribute * attr,char * buf)2319 ql2xiniexchg_show(struct device *dev, struct device_attribute *attr,
2320     char *buf)
2321 {
2322 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2323 	int len = 0;
2324 
2325 	len += scnprintf(buf + len, PAGE_SIZE-len,
2326 		"target exchange: new %d : current: %d\n\n",
2327 		vha->u_ql2xiniexchg, vha->ql2xiniexchg);
2328 
2329 	len += scnprintf(buf + len, PAGE_SIZE-len,
2330 	    "Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n",
2331 	    vha->host_no);
2332 
2333 	return len;
2334 }
2335 
2336 static ssize_t
ql2xiniexchg_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)2337 ql2xiniexchg_store(struct device *dev, struct device_attribute *attr,
2338     const char *buf, size_t count)
2339 {
2340 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2341 	int val = 0;
2342 
2343 	if (sscanf(buf, "%d", &val) != 1)
2344 		return -EINVAL;
2345 
2346 	if (val > FW_MAX_EXCHANGES_CNT)
2347 		val = FW_MAX_EXCHANGES_CNT;
2348 	else if (val < 0)
2349 		val = 0;
2350 
2351 	vha->u_ql2xiniexchg = val;
2352 	return strlen(buf);
2353 }
2354 
2355 static ssize_t
qla2x00_dif_bundle_statistics_show(struct device * dev,struct device_attribute * attr,char * buf)2356 qla2x00_dif_bundle_statistics_show(struct device *dev,
2357     struct device_attribute *attr, char *buf)
2358 {
2359 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2360 	struct qla_hw_data *ha = vha->hw;
2361 
2362 	return scnprintf(buf, PAGE_SIZE,
2363 	    "cross=%llu read=%llu write=%llu kalloc=%llu dma_alloc=%llu unusable=%u\n",
2364 	    ha->dif_bundle_crossed_pages, ha->dif_bundle_reads,
2365 	    ha->dif_bundle_writes, ha->dif_bundle_kallocs,
2366 	    ha->dif_bundle_dma_allocs, ha->pool.unusable.count);
2367 }
2368 
2369 static ssize_t
qla2x00_fw_attr_show(struct device * dev,struct device_attribute * attr,char * buf)2370 qla2x00_fw_attr_show(struct device *dev,
2371     struct device_attribute *attr, char *buf)
2372 {
2373 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2374 	struct qla_hw_data *ha = vha->hw;
2375 
2376 	if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
2377 		return scnprintf(buf, PAGE_SIZE, "\n");
2378 
2379 	return scnprintf(buf, PAGE_SIZE, "%llx\n",
2380 	    (uint64_t)ha->fw_attributes_ext[1] << 48 |
2381 	    (uint64_t)ha->fw_attributes_ext[0] << 32 |
2382 	    (uint64_t)ha->fw_attributes_h << 16 |
2383 	    (uint64_t)ha->fw_attributes);
2384 }
2385 
2386 static ssize_t
qla2x00_port_no_show(struct device * dev,struct device_attribute * attr,char * buf)2387 qla2x00_port_no_show(struct device *dev, struct device_attribute *attr,
2388     char *buf)
2389 {
2390 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2391 
2392 	return scnprintf(buf, PAGE_SIZE, "%u\n", vha->hw->port_no);
2393 }
2394 
2395 static ssize_t
qla2x00_dport_diagnostics_show(struct device * dev,struct device_attribute * attr,char * buf)2396 qla2x00_dport_diagnostics_show(struct device *dev,
2397 	struct device_attribute *attr, char *buf)
2398 {
2399 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2400 
2401 	if (!IS_QLA83XX(vha->hw) && !IS_QLA27XX(vha->hw) &&
2402 	    !IS_QLA28XX(vha->hw))
2403 		return scnprintf(buf, PAGE_SIZE, "\n");
2404 
2405 	if (!*vha->dport_data)
2406 		return scnprintf(buf, PAGE_SIZE, "\n");
2407 
2408 	return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
2409 	    vha->dport_data[0], vha->dport_data[1],
2410 	    vha->dport_data[2], vha->dport_data[3]);
2411 }
2412 static DEVICE_ATTR(dport_diagnostics, 0444,
2413 	   qla2x00_dport_diagnostics_show, NULL);
2414 
2415 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_driver_version_show, NULL);
2416 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
2417 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
2418 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
2419 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
2420 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
2421 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
2422 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
2423 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
2424 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
2425 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
2426 		   qla2x00_zio_timer_store);
2427 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
2428 		   qla2x00_beacon_store);
2429 static DEVICE_ATTR(beacon_config, 0644, qla2x00_beacon_config_show,
2430 		   qla2x00_beacon_config_store);
2431 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
2432 		   qla2x00_optrom_bios_version_show, NULL);
2433 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
2434 		   qla2x00_optrom_efi_version_show, NULL);
2435 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
2436 		   qla2x00_optrom_fcode_version_show, NULL);
2437 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
2438 		   NULL);
2439 static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
2440     qla2x00_optrom_gold_fw_version_show, NULL);
2441 static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
2442 		   NULL);
2443 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
2444 		   NULL);
2445 static DEVICE_ATTR(serdes_version, 0444, qla2x00_serdes_version_show, NULL);
2446 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
2447 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
2448 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
2449 		   NULL);
2450 static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
2451 static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
2452 		   qla2x00_vn_port_mac_address_show, NULL);
2453 static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
2454 static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
2455 static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
2456 static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
2457 static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
2458 static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
2459 static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR,
2460 		   qla2x00_allow_cna_fw_dump_show,
2461 		   qla2x00_allow_cna_fw_dump_store);
2462 static DEVICE_ATTR(pep_version, S_IRUGO, qla2x00_pep_version_show, NULL);
2463 static DEVICE_ATTR(min_supported_speed, 0444,
2464 		   qla2x00_min_supported_speed_show, NULL);
2465 static DEVICE_ATTR(max_supported_speed, 0444,
2466 		   qla2x00_max_supported_speed_show, NULL);
2467 static DEVICE_ATTR(zio_threshold, 0644,
2468     qla_zio_threshold_show,
2469     qla_zio_threshold_store);
2470 static DEVICE_ATTR_RW(qlini_mode);
2471 static DEVICE_ATTR_RW(ql2xexchoffld);
2472 static DEVICE_ATTR_RW(ql2xiniexchg);
2473 static DEVICE_ATTR(dif_bundle_statistics, 0444,
2474     qla2x00_dif_bundle_statistics_show, NULL);
2475 static DEVICE_ATTR(port_speed, 0644, qla2x00_port_speed_show,
2476     qla2x00_port_speed_store);
2477 static DEVICE_ATTR(port_no, 0444, qla2x00_port_no_show, NULL);
2478 static DEVICE_ATTR(fw_attr, 0444, qla2x00_fw_attr_show, NULL);
2479 
2480 static struct attribute *qla2x00_host_attrs[] = {
2481 	&dev_attr_driver_version.attr,
2482 	&dev_attr_fw_version.attr,
2483 	&dev_attr_serial_num.attr,
2484 	&dev_attr_isp_name.attr,
2485 	&dev_attr_isp_id.attr,
2486 	&dev_attr_model_name.attr,
2487 	&dev_attr_model_desc.attr,
2488 	&dev_attr_pci_info.attr,
2489 	&dev_attr_link_state.attr,
2490 	&dev_attr_zio.attr,
2491 	&dev_attr_zio_timer.attr,
2492 	&dev_attr_beacon.attr,
2493 	&dev_attr_beacon_config.attr,
2494 	&dev_attr_optrom_bios_version.attr,
2495 	&dev_attr_optrom_efi_version.attr,
2496 	&dev_attr_optrom_fcode_version.attr,
2497 	&dev_attr_optrom_fw_version.attr,
2498 	&dev_attr_84xx_fw_version.attr,
2499 	&dev_attr_total_isp_aborts.attr,
2500 	&dev_attr_serdes_version.attr,
2501 	&dev_attr_mpi_version.attr,
2502 	&dev_attr_phy_version.attr,
2503 	&dev_attr_flash_block_size.attr,
2504 	&dev_attr_vlan_id.attr,
2505 	&dev_attr_vn_port_mac_address.attr,
2506 	&dev_attr_fabric_param.attr,
2507 	&dev_attr_fw_state.attr,
2508 	&dev_attr_optrom_gold_fw_version.attr,
2509 	&dev_attr_thermal_temp.attr,
2510 	&dev_attr_diag_requests.attr,
2511 	&dev_attr_diag_megabytes.attr,
2512 	&dev_attr_fw_dump_size.attr,
2513 	&dev_attr_allow_cna_fw_dump.attr,
2514 	&dev_attr_pep_version.attr,
2515 	&dev_attr_min_supported_speed.attr,
2516 	&dev_attr_max_supported_speed.attr,
2517 	&dev_attr_zio_threshold.attr,
2518 	&dev_attr_dif_bundle_statistics.attr,
2519 	&dev_attr_port_speed.attr,
2520 	&dev_attr_port_no.attr,
2521 	&dev_attr_fw_attr.attr,
2522 	&dev_attr_dport_diagnostics.attr,
2523 	&dev_attr_mpi_pause.attr,
2524 	&dev_attr_qlini_mode.attr,
2525 	&dev_attr_ql2xiniexchg.attr,
2526 	&dev_attr_ql2xexchoffld.attr,
2527 	NULL,
2528 };
2529 
qla_host_attr_is_visible(struct kobject * kobj,struct attribute * attr,int i)2530 static umode_t qla_host_attr_is_visible(struct kobject *kobj,
2531 					struct attribute *attr, int i)
2532 {
2533 	if (ql2x_ini_mode != QLA2XXX_INI_MODE_DUAL &&
2534 	    (attr == &dev_attr_qlini_mode.attr ||
2535 	     attr == &dev_attr_ql2xiniexchg.attr ||
2536 	     attr == &dev_attr_ql2xexchoffld.attr))
2537 		return 0;
2538 	return attr->mode;
2539 }
2540 
2541 static const struct attribute_group qla2x00_host_attr_group = {
2542 	.is_visible = qla_host_attr_is_visible,
2543 	.attrs = qla2x00_host_attrs
2544 };
2545 
2546 const struct attribute_group *qla2x00_host_groups[] = {
2547 	&qla2x00_host_attr_group,
2548 	NULL
2549 };
2550 
2551 /* Host attributes. */
2552 
2553 static void
qla2x00_get_host_port_id(struct Scsi_Host * shost)2554 qla2x00_get_host_port_id(struct Scsi_Host *shost)
2555 {
2556 	scsi_qla_host_t *vha = shost_priv(shost);
2557 
2558 	fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
2559 	    vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
2560 }
2561 
2562 static void
qla2x00_get_host_speed(struct Scsi_Host * shost)2563 qla2x00_get_host_speed(struct Scsi_Host *shost)
2564 {
2565 	scsi_qla_host_t *vha = shost_priv(shost);
2566 	u32 speed;
2567 
2568 	if (IS_QLAFX00(vha->hw)) {
2569 		qlafx00_get_host_speed(shost);
2570 		return;
2571 	}
2572 
2573 	switch (vha->hw->link_data_rate) {
2574 	case PORT_SPEED_1GB:
2575 		speed = FC_PORTSPEED_1GBIT;
2576 		break;
2577 	case PORT_SPEED_2GB:
2578 		speed = FC_PORTSPEED_2GBIT;
2579 		break;
2580 	case PORT_SPEED_4GB:
2581 		speed = FC_PORTSPEED_4GBIT;
2582 		break;
2583 	case PORT_SPEED_8GB:
2584 		speed = FC_PORTSPEED_8GBIT;
2585 		break;
2586 	case PORT_SPEED_10GB:
2587 		speed = FC_PORTSPEED_10GBIT;
2588 		break;
2589 	case PORT_SPEED_16GB:
2590 		speed = FC_PORTSPEED_16GBIT;
2591 		break;
2592 	case PORT_SPEED_32GB:
2593 		speed = FC_PORTSPEED_32GBIT;
2594 		break;
2595 	case PORT_SPEED_64GB:
2596 		speed = FC_PORTSPEED_64GBIT;
2597 		break;
2598 	default:
2599 		speed = FC_PORTSPEED_UNKNOWN;
2600 		break;
2601 	}
2602 
2603 	fc_host_speed(shost) = speed;
2604 }
2605 
2606 static void
qla2x00_get_host_port_type(struct Scsi_Host * shost)2607 qla2x00_get_host_port_type(struct Scsi_Host *shost)
2608 {
2609 	scsi_qla_host_t *vha = shost_priv(shost);
2610 	uint32_t port_type;
2611 
2612 	if (vha->vp_idx) {
2613 		fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
2614 		return;
2615 	}
2616 	switch (vha->hw->current_topology) {
2617 	case ISP_CFG_NL:
2618 		port_type = FC_PORTTYPE_LPORT;
2619 		break;
2620 	case ISP_CFG_FL:
2621 		port_type = FC_PORTTYPE_NLPORT;
2622 		break;
2623 	case ISP_CFG_N:
2624 		port_type = FC_PORTTYPE_PTP;
2625 		break;
2626 	case ISP_CFG_F:
2627 		port_type = FC_PORTTYPE_NPORT;
2628 		break;
2629 	default:
2630 		port_type = FC_PORTTYPE_UNKNOWN;
2631 		break;
2632 	}
2633 
2634 	fc_host_port_type(shost) = port_type;
2635 }
2636 
2637 static void
qla2x00_get_starget_node_name(struct scsi_target * starget)2638 qla2x00_get_starget_node_name(struct scsi_target *starget)
2639 {
2640 	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2641 	scsi_qla_host_t *vha = shost_priv(host);
2642 	fc_port_t *fcport;
2643 	u64 node_name = 0;
2644 
2645 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
2646 		if (fcport->rport &&
2647 		    starget->id == fcport->rport->scsi_target_id) {
2648 			node_name = wwn_to_u64(fcport->node_name);
2649 			break;
2650 		}
2651 	}
2652 
2653 	fc_starget_node_name(starget) = node_name;
2654 }
2655 
2656 static void
qla2x00_get_starget_port_name(struct scsi_target * starget)2657 qla2x00_get_starget_port_name(struct scsi_target *starget)
2658 {
2659 	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2660 	scsi_qla_host_t *vha = shost_priv(host);
2661 	fc_port_t *fcport;
2662 	u64 port_name = 0;
2663 
2664 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
2665 		if (fcport->rport &&
2666 		    starget->id == fcport->rport->scsi_target_id) {
2667 			port_name = wwn_to_u64(fcport->port_name);
2668 			break;
2669 		}
2670 	}
2671 
2672 	fc_starget_port_name(starget) = port_name;
2673 }
2674 
2675 static void
qla2x00_get_starget_port_id(struct scsi_target * starget)2676 qla2x00_get_starget_port_id(struct scsi_target *starget)
2677 {
2678 	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
2679 	scsi_qla_host_t *vha = shost_priv(host);
2680 	fc_port_t *fcport;
2681 	uint32_t port_id = ~0U;
2682 
2683 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
2684 		if (fcport->rport &&
2685 		    starget->id == fcport->rport->scsi_target_id) {
2686 			port_id = fcport->d_id.b.domain << 16 |
2687 			    fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2688 			break;
2689 		}
2690 	}
2691 
2692 	fc_starget_port_id(starget) = port_id;
2693 }
2694 
2695 static inline void
qla2x00_set_rport_loss_tmo(struct fc_rport * rport,uint32_t timeout)2696 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
2697 {
2698 	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2699 
2700 	rport->dev_loss_tmo = timeout ? timeout : 1;
2701 
2702 	if (IS_ENABLED(CONFIG_NVME_FC) && fcport && fcport->nvme_remote_port)
2703 		nvme_fc_set_remoteport_devloss(fcport->nvme_remote_port,
2704 					       rport->dev_loss_tmo);
2705 }
2706 
2707 static void
qla2x00_dev_loss_tmo_callbk(struct fc_rport * rport)2708 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
2709 {
2710 	struct Scsi_Host *host = rport_to_shost(rport);
2711 	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2712 	unsigned long flags;
2713 
2714 	if (!fcport)
2715 		return;
2716 
2717 	ql_dbg(ql_dbg_async, fcport->vha, 0x5101,
2718 	       DBG_FCPORT_PRFMT(fcport, "dev_loss_tmo expiry, rport_state=%d",
2719 				rport->port_state));
2720 
2721 	/*
2722 	 * Now that the rport has been deleted, set the fcport state to
2723 	 * FCS_DEVICE_DEAD, if the fcport is still lost.
2724 	 */
2725 	if (fcport->scan_state != QLA_FCPORT_FOUND)
2726 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
2727 
2728 	/*
2729 	 * Transport has effectively 'deleted' the rport, clear
2730 	 * all local references.
2731 	 */
2732 	spin_lock_irqsave(host->host_lock, flags);
2733 	/* Confirm port has not reappeared before clearing pointers. */
2734 	if (rport->port_state != FC_PORTSTATE_ONLINE) {
2735 		fcport->rport = NULL;
2736 		*((fc_port_t **)rport->dd_data) = NULL;
2737 	}
2738 	spin_unlock_irqrestore(host->host_lock, flags);
2739 
2740 	if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
2741 		return;
2742 
2743 	if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
2744 		/* Will wait for wind down of adapter */
2745 		ql_dbg(ql_dbg_aer, fcport->vha, 0x900c,
2746 		    "%s pci offline detected (id %06x)\n", __func__,
2747 		    fcport->d_id.b24);
2748 		qla_pci_set_eeh_busy(fcport->vha);
2749 		qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24,
2750 		    0, WAIT_TARGET);
2751 		return;
2752 	}
2753 }
2754 
2755 static void
qla2x00_terminate_rport_io(struct fc_rport * rport)2756 qla2x00_terminate_rport_io(struct fc_rport *rport)
2757 {
2758 	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
2759 	scsi_qla_host_t *vha;
2760 
2761 	if (!fcport)
2762 		return;
2763 
2764 	if (test_bit(UNLOADING, &fcport->vha->dpc_flags))
2765 		return;
2766 
2767 	if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
2768 		return;
2769 	vha = fcport->vha;
2770 
2771 	if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
2772 		/* Will wait for wind down of adapter */
2773 		ql_dbg(ql_dbg_aer, fcport->vha, 0x900b,
2774 		    "%s pci offline detected (id %06x)\n", __func__,
2775 		    fcport->d_id.b24);
2776 		qla_pci_set_eeh_busy(vha);
2777 		qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24,
2778 			0, WAIT_TARGET);
2779 		return;
2780 	}
2781 	/*
2782 	 * At this point all fcport's software-states are cleared.  Perform any
2783 	 * final cleanup of firmware resources (PCBs and XCBs).
2784 	 *
2785 	 * Attempt to cleanup only lost devices.
2786 	 */
2787 	if (fcport->loop_id != FC_NO_LOOP_ID) {
2788 		if (IS_FWI2_CAPABLE(fcport->vha->hw) &&
2789 		    fcport->scan_state != QLA_FCPORT_FOUND) {
2790 			if (fcport->loop_id != FC_NO_LOOP_ID)
2791 				fcport->logout_on_delete = 1;
2792 
2793 			if (!EDIF_NEGOTIATION_PENDING(fcport)) {
2794 				ql_dbg(ql_dbg_disc, fcport->vha, 0x911e,
2795 				       "%s %d schedule session deletion\n", __func__,
2796 				       __LINE__);
2797 				qlt_schedule_sess_for_deletion(fcport);
2798 			}
2799 		} else if (!IS_FWI2_CAPABLE(fcport->vha->hw)) {
2800 			qla2x00_port_logout(fcport->vha, fcport);
2801 		}
2802 	}
2803 
2804 	/* check for any straggling io left behind */
2805 	if (qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24, 0, WAIT_TARGET)) {
2806 		ql_log(ql_log_warn, vha, 0x300b,
2807 		       "IO not return.  Resetting. \n");
2808 		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2809 		qla2xxx_wake_dpc(vha);
2810 		qla2x00_wait_for_chip_reset(vha);
2811 	}
2812 }
2813 
2814 static int
qla2x00_issue_lip(struct Scsi_Host * shost)2815 qla2x00_issue_lip(struct Scsi_Host *shost)
2816 {
2817 	scsi_qla_host_t *vha = shost_priv(shost);
2818 
2819 	if (IS_QLAFX00(vha->hw))
2820 		return 0;
2821 
2822 	if (vha->hw->flags.port_isolated)
2823 		return 0;
2824 
2825 	qla2x00_loop_reset(vha);
2826 	return 0;
2827 }
2828 
2829 static struct fc_host_statistics *
qla2x00_get_fc_host_stats(struct Scsi_Host * shost)2830 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
2831 {
2832 	scsi_qla_host_t *vha = shost_priv(shost);
2833 	struct qla_hw_data *ha = vha->hw;
2834 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2835 	int rval;
2836 	struct link_statistics *stats;
2837 	dma_addr_t stats_dma;
2838 	struct fc_host_statistics *p = &vha->fc_host_stat;
2839 	struct qla_qpair *qpair;
2840 	int i;
2841 	u64 ib = 0, ob = 0, ir = 0, or = 0;
2842 
2843 	memset(p, -1, sizeof(*p));
2844 
2845 	if (IS_QLAFX00(vha->hw))
2846 		goto done;
2847 
2848 	if (test_bit(UNLOADING, &vha->dpc_flags))
2849 		goto done;
2850 
2851 	if (unlikely(pci_channel_offline(ha->pdev)))
2852 		goto done;
2853 
2854 	if (qla2x00_chip_is_down(vha))
2855 		goto done;
2856 
2857 	stats = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stats), &stats_dma,
2858 				   GFP_KERNEL);
2859 	if (!stats) {
2860 		ql_log(ql_log_warn, vha, 0x707d,
2861 		    "Failed to allocate memory for stats.\n");
2862 		goto done;
2863 	}
2864 
2865 	rval = QLA_FUNCTION_FAILED;
2866 	if (IS_FWI2_CAPABLE(ha)) {
2867 		rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, 0);
2868 	} else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
2869 	    !ha->dpc_active) {
2870 		/* Must be in a 'READY' state for statistics retrieval. */
2871 		rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
2872 						stats, stats_dma);
2873 	}
2874 
2875 	if (rval != QLA_SUCCESS)
2876 		goto done_free;
2877 
2878 	/* --- */
2879 	for (i = 0; i < vha->hw->max_qpairs; i++) {
2880 		qpair = vha->hw->queue_pair_map[i];
2881 		if (!qpair)
2882 			continue;
2883 		ir += qpair->counters.input_requests;
2884 		or += qpair->counters.output_requests;
2885 		ib += qpair->counters.input_bytes;
2886 		ob += qpair->counters.output_bytes;
2887 	}
2888 	ir += ha->base_qpair->counters.input_requests;
2889 	or += ha->base_qpair->counters.output_requests;
2890 	ib += ha->base_qpair->counters.input_bytes;
2891 	ob += ha->base_qpair->counters.output_bytes;
2892 
2893 	ir += vha->qla_stats.input_requests;
2894 	or += vha->qla_stats.output_requests;
2895 	ib += vha->qla_stats.input_bytes;
2896 	ob += vha->qla_stats.output_bytes;
2897 	/* --- */
2898 
2899 	p->link_failure_count = le32_to_cpu(stats->link_fail_cnt);
2900 	p->loss_of_sync_count = le32_to_cpu(stats->loss_sync_cnt);
2901 	p->loss_of_signal_count = le32_to_cpu(stats->loss_sig_cnt);
2902 	p->prim_seq_protocol_err_count = le32_to_cpu(stats->prim_seq_err_cnt);
2903 	p->invalid_tx_word_count = le32_to_cpu(stats->inval_xmit_word_cnt);
2904 	p->invalid_crc_count = le32_to_cpu(stats->inval_crc_cnt);
2905 	if (IS_FWI2_CAPABLE(ha)) {
2906 		p->lip_count = le32_to_cpu(stats->lip_cnt);
2907 		p->tx_frames = le32_to_cpu(stats->tx_frames);
2908 		p->rx_frames = le32_to_cpu(stats->rx_frames);
2909 		p->dumped_frames = le32_to_cpu(stats->discarded_frames);
2910 		p->nos_count = le32_to_cpu(stats->nos_rcvd);
2911 		p->error_frames =
2912 		    le32_to_cpu(stats->dropped_frames) +
2913 		    le32_to_cpu(stats->discarded_frames);
2914 		if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
2915 			p->rx_words = le64_to_cpu(stats->fpm_recv_word_cnt);
2916 			p->tx_words = le64_to_cpu(stats->fpm_xmit_word_cnt);
2917 		} else {
2918 			p->rx_words = ib >> 2;
2919 			p->tx_words = ob >> 2;
2920 		}
2921 	}
2922 
2923 	p->fcp_control_requests = vha->qla_stats.control_requests;
2924 	p->fcp_input_requests = ir;
2925 	p->fcp_output_requests = or;
2926 	p->fcp_input_megabytes  = ib >> 20;
2927 	p->fcp_output_megabytes = ob >> 20;
2928 	p->seconds_since_last_reset =
2929 	    get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
2930 	do_div(p->seconds_since_last_reset, HZ);
2931 
2932 done_free:
2933 	dma_free_coherent(&ha->pdev->dev, sizeof(struct link_statistics),
2934 	    stats, stats_dma);
2935 done:
2936 	return p;
2937 }
2938 
2939 static void
qla2x00_reset_host_stats(struct Scsi_Host * shost)2940 qla2x00_reset_host_stats(struct Scsi_Host *shost)
2941 {
2942 	scsi_qla_host_t *vha = shost_priv(shost);
2943 	struct qla_hw_data *ha = vha->hw;
2944 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2945 	struct link_statistics *stats;
2946 	dma_addr_t stats_dma;
2947 	int i;
2948 	struct qla_qpair *qpair;
2949 
2950 	memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2951 	memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2952 	for (i = 0; i < vha->hw->max_qpairs; i++) {
2953 		qpair = vha->hw->queue_pair_map[i];
2954 		if (!qpair)
2955 			continue;
2956 		memset(&qpair->counters, 0, sizeof(qpair->counters));
2957 	}
2958 	memset(&ha->base_qpair->counters, 0, sizeof(qpair->counters));
2959 
2960 	vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2961 
2962 	if (IS_FWI2_CAPABLE(ha)) {
2963 		int rval;
2964 
2965 		stats = dma_alloc_coherent(&ha->pdev->dev,
2966 		    sizeof(*stats), &stats_dma, GFP_KERNEL);
2967 		if (!stats) {
2968 			ql_log(ql_log_warn, vha, 0x70d7,
2969 			    "Failed to allocate memory for stats.\n");
2970 			return;
2971 		}
2972 
2973 		/* reset firmware statistics */
2974 		rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, BIT_0);
2975 		if (rval != QLA_SUCCESS)
2976 			ql_log(ql_log_warn, vha, 0x70de,
2977 			       "Resetting ISP statistics failed: rval = %d\n",
2978 			       rval);
2979 
2980 		dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
2981 		    stats, stats_dma);
2982 	}
2983 }
2984 
2985 static void
qla2x00_get_host_symbolic_name(struct Scsi_Host * shost)2986 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
2987 {
2988 	scsi_qla_host_t *vha = shost_priv(shost);
2989 
2990 	qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost),
2991 	    sizeof(fc_host_symbolic_name(shost)));
2992 }
2993 
2994 static void
qla2x00_set_host_system_hostname(struct Scsi_Host * shost)2995 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
2996 {
2997 	scsi_qla_host_t *vha = shost_priv(shost);
2998 
2999 	set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
3000 }
3001 
3002 static void
qla2x00_get_host_fabric_name(struct Scsi_Host * shost)3003 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
3004 {
3005 	scsi_qla_host_t *vha = shost_priv(shost);
3006 	static const uint8_t node_name[WWN_SIZE] = {
3007 		0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
3008 	};
3009 	u64 fabric_name = wwn_to_u64(node_name);
3010 
3011 	if (vha->device_flags & SWITCH_FOUND)
3012 		fabric_name = wwn_to_u64(vha->fabric_node_name);
3013 
3014 	fc_host_fabric_name(shost) = fabric_name;
3015 }
3016 
3017 static void
qla2x00_get_host_port_state(struct Scsi_Host * shost)3018 qla2x00_get_host_port_state(struct Scsi_Host *shost)
3019 {
3020 	scsi_qla_host_t *vha = shost_priv(shost);
3021 	struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
3022 
3023 	if (!base_vha->flags.online) {
3024 		fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
3025 		return;
3026 	}
3027 
3028 	switch (atomic_read(&base_vha->loop_state)) {
3029 	case LOOP_UPDATE:
3030 		fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
3031 		break;
3032 	case LOOP_DOWN:
3033 		if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
3034 			fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
3035 		else
3036 			fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
3037 		break;
3038 	case LOOP_DEAD:
3039 		fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
3040 		break;
3041 	case LOOP_READY:
3042 		fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
3043 		break;
3044 	default:
3045 		fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
3046 		break;
3047 	}
3048 }
3049 
3050 static int
qla24xx_vport_create(struct fc_vport * fc_vport,bool disable)3051 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
3052 {
3053 	int	ret = 0;
3054 	uint8_t	qos = 0;
3055 	scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
3056 	scsi_qla_host_t *vha = NULL;
3057 	struct qla_hw_data *ha = base_vha->hw;
3058 	int	cnt;
3059 	struct req_que *req = ha->req_q_map[0];
3060 	struct qla_qpair *qpair;
3061 
3062 	ret = qla24xx_vport_create_req_sanity_check(fc_vport);
3063 	if (ret) {
3064 		ql_log(ql_log_warn, vha, 0x707e,
3065 		    "Vport sanity check failed, status %x\n", ret);
3066 		return (ret);
3067 	}
3068 
3069 	vha = qla24xx_create_vhost(fc_vport);
3070 	if (vha == NULL) {
3071 		ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
3072 		return FC_VPORT_FAILED;
3073 	}
3074 	if (disable) {
3075 		atomic_set(&vha->vp_state, VP_OFFLINE);
3076 		fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
3077 	} else
3078 		atomic_set(&vha->vp_state, VP_FAILED);
3079 
3080 	/* ready to create vport */
3081 	ql_log(ql_log_info, vha, 0x7080,
3082 	    "VP entry id %d assigned.\n", vha->vp_idx);
3083 
3084 	/* initialized vport states */
3085 	atomic_set(&vha->loop_state, LOOP_DOWN);
3086 	vha->vp_err_state = VP_ERR_PORTDWN;
3087 	vha->vp_prev_err_state = VP_ERR_UNKWN;
3088 	/* Check if physical ha port is Up */
3089 	if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
3090 	    atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
3091 		/* Don't retry or attempt login of this virtual port */
3092 		ql_dbg(ql_dbg_user, vha, 0x7081,
3093 		    "Vport loop state is not UP.\n");
3094 		atomic_set(&vha->loop_state, LOOP_DEAD);
3095 		if (!disable)
3096 			fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
3097 	}
3098 
3099 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3100 		if (ha->fw_attributes & BIT_4) {
3101 			int prot = 0, guard;
3102 
3103 			vha->flags.difdix_supported = 1;
3104 			ql_dbg(ql_dbg_user, vha, 0x7082,
3105 			    "Registered for DIF/DIX type 1 and 3 protection.\n");
3106 			scsi_host_set_prot(vha->host,
3107 			    prot | SHOST_DIF_TYPE1_PROTECTION
3108 			    | SHOST_DIF_TYPE2_PROTECTION
3109 			    | SHOST_DIF_TYPE3_PROTECTION
3110 			    | SHOST_DIX_TYPE1_PROTECTION
3111 			    | SHOST_DIX_TYPE2_PROTECTION
3112 			    | SHOST_DIX_TYPE3_PROTECTION);
3113 
3114 			guard = SHOST_DIX_GUARD_CRC;
3115 
3116 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
3117 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3118 				guard |= SHOST_DIX_GUARD_IP;
3119 
3120 			scsi_host_set_guard(vha->host, guard);
3121 		} else
3122 			vha->flags.difdix_supported = 0;
3123 	}
3124 
3125 	if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
3126 				   &ha->pdev->dev)) {
3127 		ql_dbg(ql_dbg_user, vha, 0x7083,
3128 		    "scsi_add_host failure for VP[%d].\n", vha->vp_idx);
3129 		goto vport_create_failed_2;
3130 	}
3131 
3132 	/* initialize attributes */
3133 	fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
3134 	fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
3135 	fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
3136 	fc_host_supported_classes(vha->host) =
3137 		fc_host_supported_classes(base_vha->host);
3138 	fc_host_supported_speeds(vha->host) =
3139 		fc_host_supported_speeds(base_vha->host);
3140 
3141 	qlt_vport_create(vha, ha);
3142 	qla24xx_vport_disable(fc_vport, disable);
3143 
3144 	if (!ql2xmqsupport || !ha->npiv_info)
3145 		goto vport_queue;
3146 
3147 	/* Create a request queue in QoS mode for the vport */
3148 	for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
3149 		if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
3150 			&& memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
3151 					8) == 0) {
3152 			qos = ha->npiv_info[cnt].q_qos;
3153 			break;
3154 		}
3155 	}
3156 
3157 	if (qos) {
3158 		qpair = qla2xxx_create_qpair(vha, qos, vha->vp_idx, true);
3159 		if (!qpair)
3160 			ql_log(ql_log_warn, vha, 0x7084,
3161 			    "Can't create qpair for VP[%d]\n",
3162 			    vha->vp_idx);
3163 		else {
3164 			ql_dbg(ql_dbg_multiq, vha, 0xc001,
3165 			    "Queue pair: %d Qos: %d) created for VP[%d]\n",
3166 			    qpair->id, qos, vha->vp_idx);
3167 			ql_dbg(ql_dbg_user, vha, 0x7085,
3168 			    "Queue Pair: %d Qos: %d) created for VP[%d]\n",
3169 			    qpair->id, qos, vha->vp_idx);
3170 			req = qpair->req;
3171 			vha->qpair = qpair;
3172 		}
3173 	}
3174 
3175 vport_queue:
3176 	vha->req = req;
3177 	return 0;
3178 
3179 vport_create_failed_2:
3180 	qla24xx_disable_vp(vha);
3181 	qla24xx_deallocate_vp_id(vha);
3182 	scsi_host_put(vha->host);
3183 	return FC_VPORT_FAILED;
3184 }
3185 
3186 static int
qla24xx_vport_delete(struct fc_vport * fc_vport)3187 qla24xx_vport_delete(struct fc_vport *fc_vport)
3188 {
3189 	scsi_qla_host_t *vha = fc_vport->dd_data;
3190 	struct qla_hw_data *ha = vha->hw;
3191 	uint16_t id = vha->vp_idx;
3192 
3193 	set_bit(VPORT_DELETE, &vha->dpc_flags);
3194 
3195 	while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
3196 		msleep(1000);
3197 
3198 
3199 	qla24xx_disable_vp(vha);
3200 	qla2x00_wait_for_sess_deletion(vha);
3201 
3202 	qla_nvme_delete(vha);
3203 	qla_enode_stop(vha);
3204 	qla_edb_stop(vha);
3205 
3206 	vha->flags.delete_progress = 1;
3207 
3208 	qlt_remove_target(ha, vha);
3209 
3210 	fc_remove_host(vha->host);
3211 
3212 	scsi_remove_host(vha->host);
3213 
3214 	/* Allow timer to run to drain queued items, when removing vp */
3215 	qla24xx_deallocate_vp_id(vha);
3216 
3217 	if (vha->timer_active) {
3218 		qla2x00_vp_stop_timer(vha);
3219 		ql_dbg(ql_dbg_user, vha, 0x7086,
3220 		    "Timer for the VP[%d] has stopped\n", vha->vp_idx);
3221 	}
3222 
3223 	qla2x00_free_fcports(vha);
3224 
3225 	mutex_lock(&ha->vport_lock);
3226 	ha->cur_vport_count--;
3227 	clear_bit(vha->vp_idx, ha->vp_idx_map);
3228 	mutex_unlock(&ha->vport_lock);
3229 
3230 	dma_free_coherent(&ha->pdev->dev, vha->gnl.size, vha->gnl.l,
3231 	    vha->gnl.ldma);
3232 
3233 	vha->gnl.l = NULL;
3234 
3235 	vfree(vha->scan.l);
3236 
3237 	if (vha->qpair && vha->qpair->vp_idx == vha->vp_idx) {
3238 		if (qla2xxx_delete_qpair(vha, vha->qpair) != QLA_SUCCESS)
3239 			ql_log(ql_log_warn, vha, 0x7087,
3240 			    "Queue Pair delete failed.\n");
3241 	}
3242 
3243 	ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
3244 	scsi_host_put(vha->host);
3245 	return 0;
3246 }
3247 
3248 static int
qla24xx_vport_disable(struct fc_vport * fc_vport,bool disable)3249 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
3250 {
3251 	scsi_qla_host_t *vha = fc_vport->dd_data;
3252 
3253 	if (disable)
3254 		qla24xx_disable_vp(vha);
3255 	else
3256 		qla24xx_enable_vp(vha);
3257 
3258 	return 0;
3259 }
3260 
3261 struct fc_function_template qla2xxx_transport_functions = {
3262 
3263 	.show_host_node_name = 1,
3264 	.show_host_port_name = 1,
3265 	.show_host_supported_classes = 1,
3266 	.show_host_supported_speeds = 1,
3267 
3268 	.get_host_port_id = qla2x00_get_host_port_id,
3269 	.show_host_port_id = 1,
3270 	.get_host_speed = qla2x00_get_host_speed,
3271 	.show_host_speed = 1,
3272 	.get_host_port_type = qla2x00_get_host_port_type,
3273 	.show_host_port_type = 1,
3274 	.get_host_symbolic_name = qla2x00_get_host_symbolic_name,
3275 	.show_host_symbolic_name = 1,
3276 	.set_host_system_hostname = qla2x00_set_host_system_hostname,
3277 	.show_host_system_hostname = 1,
3278 	.get_host_fabric_name = qla2x00_get_host_fabric_name,
3279 	.show_host_fabric_name = 1,
3280 	.get_host_port_state = qla2x00_get_host_port_state,
3281 	.show_host_port_state = 1,
3282 
3283 	.dd_fcrport_size = sizeof(struct fc_port *),
3284 	.show_rport_supported_classes = 1,
3285 
3286 	.get_starget_node_name = qla2x00_get_starget_node_name,
3287 	.show_starget_node_name = 1,
3288 	.get_starget_port_name = qla2x00_get_starget_port_name,
3289 	.show_starget_port_name = 1,
3290 	.get_starget_port_id  = qla2x00_get_starget_port_id,
3291 	.show_starget_port_id = 1,
3292 
3293 	.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
3294 	.show_rport_dev_loss_tmo = 1,
3295 
3296 	.issue_fc_host_lip = qla2x00_issue_lip,
3297 	.dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
3298 	.terminate_rport_io = qla2x00_terminate_rport_io,
3299 	.get_fc_host_stats = qla2x00_get_fc_host_stats,
3300 	.reset_fc_host_stats = qla2x00_reset_host_stats,
3301 
3302 	.vport_create = qla24xx_vport_create,
3303 	.vport_disable = qla24xx_vport_disable,
3304 	.vport_delete = qla24xx_vport_delete,
3305 	.bsg_request = qla24xx_bsg_request,
3306 	.bsg_timeout = qla24xx_bsg_timeout,
3307 };
3308 
3309 struct fc_function_template qla2xxx_transport_vport_functions = {
3310 
3311 	.show_host_node_name = 1,
3312 	.show_host_port_name = 1,
3313 	.show_host_supported_classes = 1,
3314 
3315 	.get_host_port_id = qla2x00_get_host_port_id,
3316 	.show_host_port_id = 1,
3317 	.get_host_speed = qla2x00_get_host_speed,
3318 	.show_host_speed = 1,
3319 	.get_host_port_type = qla2x00_get_host_port_type,
3320 	.show_host_port_type = 1,
3321 	.get_host_symbolic_name = qla2x00_get_host_symbolic_name,
3322 	.show_host_symbolic_name = 1,
3323 	.set_host_system_hostname = qla2x00_set_host_system_hostname,
3324 	.show_host_system_hostname = 1,
3325 	.get_host_fabric_name = qla2x00_get_host_fabric_name,
3326 	.show_host_fabric_name = 1,
3327 	.get_host_port_state = qla2x00_get_host_port_state,
3328 	.show_host_port_state = 1,
3329 
3330 	.dd_fcrport_size = sizeof(struct fc_port *),
3331 	.show_rport_supported_classes = 1,
3332 
3333 	.get_starget_node_name = qla2x00_get_starget_node_name,
3334 	.show_starget_node_name = 1,
3335 	.get_starget_port_name = qla2x00_get_starget_port_name,
3336 	.show_starget_port_name = 1,
3337 	.get_starget_port_id  = qla2x00_get_starget_port_id,
3338 	.show_starget_port_id = 1,
3339 
3340 	.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
3341 	.show_rport_dev_loss_tmo = 1,
3342 
3343 	.issue_fc_host_lip = qla2x00_issue_lip,
3344 	.dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
3345 	.terminate_rport_io = qla2x00_terminate_rport_io,
3346 	.get_fc_host_stats = qla2x00_get_fc_host_stats,
3347 	.reset_fc_host_stats = qla2x00_reset_host_stats,
3348 
3349 	.bsg_request = qla24xx_bsg_request,
3350 	.bsg_timeout = qla24xx_bsg_timeout,
3351 };
3352 
3353 static uint
qla2x00_get_host_supported_speeds(scsi_qla_host_t * vha,uint speeds)3354 qla2x00_get_host_supported_speeds(scsi_qla_host_t *vha, uint speeds)
3355 {
3356 	uint supported_speeds = FC_PORTSPEED_UNKNOWN;
3357 
3358 	if (speeds & FDMI_PORT_SPEED_64GB)
3359 		supported_speeds |= FC_PORTSPEED_64GBIT;
3360 	if (speeds & FDMI_PORT_SPEED_32GB)
3361 		supported_speeds |= FC_PORTSPEED_32GBIT;
3362 	if (speeds & FDMI_PORT_SPEED_16GB)
3363 		supported_speeds |= FC_PORTSPEED_16GBIT;
3364 	if (speeds & FDMI_PORT_SPEED_8GB)
3365 		supported_speeds |= FC_PORTSPEED_8GBIT;
3366 	if (speeds & FDMI_PORT_SPEED_4GB)
3367 		supported_speeds |= FC_PORTSPEED_4GBIT;
3368 	if (speeds & FDMI_PORT_SPEED_2GB)
3369 		supported_speeds |= FC_PORTSPEED_2GBIT;
3370 	if (speeds & FDMI_PORT_SPEED_1GB)
3371 		supported_speeds |= FC_PORTSPEED_1GBIT;
3372 
3373 	return supported_speeds;
3374 }
3375 
3376 void
qla2x00_init_host_attr(scsi_qla_host_t * vha)3377 qla2x00_init_host_attr(scsi_qla_host_t *vha)
3378 {
3379 	struct qla_hw_data *ha = vha->hw;
3380 	u32 speeds = 0, fdmi_speed = 0;
3381 
3382 	fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
3383 	fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
3384 	fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
3385 	fc_host_supported_classes(vha->host) = ha->base_qpair->enable_class_2 ?
3386 			(FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
3387 	fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
3388 	fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
3389 
3390 	fdmi_speed = qla25xx_fdmi_port_speed_capability(ha);
3391 	speeds = qla2x00_get_host_supported_speeds(vha, fdmi_speed);
3392 
3393 	fc_host_supported_speeds(vha->host) = speeds;
3394 }
3395