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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright IBM Corp. 2007
4 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
5 * Frank Pavlic <fpavlic@de.ibm.com>,
6 * Thomas Spatzier <tspat@de.ibm.com>,
7 * Frank Blaschka <frank.blaschka@de.ibm.com>
8 */
9
10#define KMSG_COMPONENT "qeth"
11#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
12
13#include <linux/list.h>
14#include <linux/rwsem.h>
15#include <asm/ebcdic.h>
16
17#include "qeth_core.h"
18
19static ssize_t qeth_dev_state_show(struct device *dev,
20 struct device_attribute *attr, char *buf)
21{
22 struct qeth_card *card = dev_get_drvdata(dev);
23
24 switch (card->state) {
25 case CARD_STATE_DOWN:
26 return sysfs_emit(buf, "DOWN\n");
27 case CARD_STATE_SOFTSETUP:
28 if (card->dev->flags & IFF_UP)
29 return sysfs_emit(buf, "UP (LAN %s)\n",
30 netif_carrier_ok(card->dev) ?
31 "ONLINE" : "OFFLINE");
32 return sysfs_emit(buf, "SOFTSETUP\n");
33 default:
34 return sysfs_emit(buf, "UNKNOWN\n");
35 }
36}
37
38static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);
39
40static ssize_t qeth_dev_chpid_show(struct device *dev,
41 struct device_attribute *attr, char *buf)
42{
43 struct qeth_card *card = dev_get_drvdata(dev);
44
45 return sysfs_emit(buf, "%02X\n", card->info.chpid);
46}
47
48static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);
49
50static ssize_t qeth_dev_if_name_show(struct device *dev,
51 struct device_attribute *attr, char *buf)
52{
53 struct qeth_card *card = dev_get_drvdata(dev);
54
55 return sysfs_emit(buf, "%s\n", netdev_name(card->dev));
56}
57
58static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);
59
60static ssize_t qeth_dev_card_type_show(struct device *dev,
61 struct device_attribute *attr, char *buf)
62{
63 struct qeth_card *card = dev_get_drvdata(dev);
64
65 return sysfs_emit(buf, "%s\n", qeth_get_cardname_short(card));
66}
67
68static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);
69
70static const char *qeth_get_bufsize_str(struct qeth_card *card)
71{
72 if (card->qdio.in_buf_size == 16384)
73 return "16k";
74 else if (card->qdio.in_buf_size == 24576)
75 return "24k";
76 else if (card->qdio.in_buf_size == 32768)
77 return "32k";
78 else if (card->qdio.in_buf_size == 40960)
79 return "40k";
80 else
81 return "64k";
82}
83
84static ssize_t qeth_dev_inbuf_size_show(struct device *dev,
85 struct device_attribute *attr, char *buf)
86{
87 struct qeth_card *card = dev_get_drvdata(dev);
88
89 return sysfs_emit(buf, "%s\n", qeth_get_bufsize_str(card));
90}
91
92static DEVICE_ATTR(inbuf_size, 0444, qeth_dev_inbuf_size_show, NULL);
93
94static ssize_t qeth_dev_portno_show(struct device *dev,
95 struct device_attribute *attr, char *buf)
96{
97 struct qeth_card *card = dev_get_drvdata(dev);
98
99 return sysfs_emit(buf, "%i\n", card->dev->dev_port);
100}
101
102static ssize_t qeth_dev_portno_store(struct device *dev,
103 struct device_attribute *attr, const char *buf, size_t count)
104{
105 struct qeth_card *card = dev_get_drvdata(dev);
106 unsigned int portno, limit;
107 int rc = 0;
108
109 rc = kstrtouint(buf, 16, &portno);
110 if (rc)
111 return rc;
112 if (portno > QETH_MAX_PORTNO)
113 return -EINVAL;
114
115 mutex_lock(&card->conf_mutex);
116 if (card->state != CARD_STATE_DOWN) {
117 rc = -EPERM;
118 goto out;
119 }
120
121 limit = (card->ssqd.pcnt ? card->ssqd.pcnt - 1 : card->ssqd.pcnt);
122 if (portno > limit) {
123 rc = -EINVAL;
124 goto out;
125 }
126 card->dev->dev_port = portno;
127out:
128 mutex_unlock(&card->conf_mutex);
129 return rc ? rc : count;
130}
131
132static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);
133
134static ssize_t qeth_dev_portname_show(struct device *dev,
135 struct device_attribute *attr, char *buf)
136{
137 return sysfs_emit(buf, "no portname required\n");
138}
139
140static ssize_t qeth_dev_portname_store(struct device *dev,
141 struct device_attribute *attr, const char *buf, size_t count)
142{
143 struct qeth_card *card = dev_get_drvdata(dev);
144
145 dev_warn_once(&card->gdev->dev,
146 "portname is deprecated and is ignored\n");
147 return count;
148}
149
150static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
151 qeth_dev_portname_store);
152
153static ssize_t qeth_dev_prioqing_show(struct device *dev,
154 struct device_attribute *attr, char *buf)
155{
156 struct qeth_card *card = dev_get_drvdata(dev);
157
158 switch (card->qdio.do_prio_queueing) {
159 case QETH_PRIO_Q_ING_PREC:
160 return sysfs_emit(buf, "%s\n", "by precedence");
161 case QETH_PRIO_Q_ING_TOS:
162 return sysfs_emit(buf, "%s\n", "by type of service");
163 case QETH_PRIO_Q_ING_SKB:
164 return sysfs_emit(buf, "%s\n", "by skb-priority");
165 case QETH_PRIO_Q_ING_VLAN:
166 return sysfs_emit(buf, "%s\n", "by VLAN headers");
167 case QETH_PRIO_Q_ING_FIXED:
168 return sysfs_emit(buf, "always queue %i\n",
169 card->qdio.default_out_queue);
170 default:
171 return sysfs_emit(buf, "disabled\n");
172 }
173}
174
175static ssize_t qeth_dev_prioqing_store(struct device *dev,
176 struct device_attribute *attr, const char *buf, size_t count)
177{
178 struct qeth_card *card = dev_get_drvdata(dev);
179 int rc = 0;
180
181 if (IS_IQD(card) || IS_VM_NIC(card))
182 return -EOPNOTSUPP;
183
184 mutex_lock(&card->conf_mutex);
185 if (card->state != CARD_STATE_DOWN) {
186 rc = -EPERM;
187 goto out;
188 }
189
190 /* check if 1920 devices are supported ,
191 * if though we have to permit priority queueing
192 */
193 if (card->qdio.no_out_queues == 1) {
194 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
195 rc = -EPERM;
196 goto out;
197 }
198
199 if (sysfs_streq(buf, "prio_queueing_prec")) {
200 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
201 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
202 } else if (sysfs_streq(buf, "prio_queueing_skb")) {
203 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_SKB;
204 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
205 } else if (sysfs_streq(buf, "prio_queueing_tos")) {
206 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
207 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
208 } else if (sysfs_streq(buf, "prio_queueing_vlan")) {
209 if (IS_LAYER3(card)) {
210 rc = -EOPNOTSUPP;
211 goto out;
212 }
213 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_VLAN;
214 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
215 } else if (sysfs_streq(buf, "no_prio_queueing:0")) {
216 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_FIXED;
217 card->qdio.default_out_queue = 0;
218 } else if (sysfs_streq(buf, "no_prio_queueing:1")) {
219 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_FIXED;
220 card->qdio.default_out_queue = 1;
221 } else if (sysfs_streq(buf, "no_prio_queueing:2")) {
222 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_FIXED;
223 card->qdio.default_out_queue = 2;
224 } else if (sysfs_streq(buf, "no_prio_queueing:3")) {
225 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_FIXED;
226 card->qdio.default_out_queue = 3;
227 } else if (sysfs_streq(buf, "no_prio_queueing")) {
228 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
229 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
230 } else
231 rc = -EINVAL;
232out:
233 mutex_unlock(&card->conf_mutex);
234 return rc ? rc : count;
235}
236
237static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
238 qeth_dev_prioqing_store);
239
240static ssize_t qeth_dev_bufcnt_show(struct device *dev,
241 struct device_attribute *attr, char *buf)
242{
243 struct qeth_card *card = dev_get_drvdata(dev);
244
245 return sysfs_emit(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
246}
247
248static ssize_t qeth_dev_bufcnt_store(struct device *dev,
249 struct device_attribute *attr, const char *buf, size_t count)
250{
251 struct qeth_card *card = dev_get_drvdata(dev);
252 unsigned int cnt;
253 int rc = 0;
254
255 rc = kstrtouint(buf, 10, &cnt);
256 if (rc)
257 return rc;
258
259 mutex_lock(&card->conf_mutex);
260 if (card->state != CARD_STATE_DOWN) {
261 rc = -EPERM;
262 goto out;
263 }
264
265 cnt = clamp(cnt, QETH_IN_BUF_COUNT_MIN, QETH_IN_BUF_COUNT_MAX);
266 rc = qeth_resize_buffer_pool(card, cnt);
267
268out:
269 mutex_unlock(&card->conf_mutex);
270 return rc ? rc : count;
271}
272
273static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
274 qeth_dev_bufcnt_store);
275
276static ssize_t qeth_dev_recover_store(struct device *dev,
277 struct device_attribute *attr, const char *buf, size_t count)
278{
279 struct qeth_card *card = dev_get_drvdata(dev);
280 bool reset;
281 int rc;
282
283 rc = kstrtobool(buf, &reset);
284 if (rc)
285 return rc;
286
287 if (!qeth_card_hw_is_reachable(card))
288 return -EPERM;
289
290 if (reset)
291 rc = qeth_schedule_recovery(card);
292
293 return rc ? rc : count;
294}
295
296static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
297
298static ssize_t qeth_dev_performance_stats_show(struct device *dev,
299 struct device_attribute *attr, char *buf)
300{
301 return sysfs_emit(buf, "1\n");
302}
303
304static ssize_t qeth_dev_performance_stats_store(struct device *dev,
305 struct device_attribute *attr, const char *buf, size_t count)
306{
307 struct qeth_card *card = dev_get_drvdata(dev);
308 struct qeth_qdio_out_q *queue;
309 unsigned int i;
310 bool reset;
311 int rc;
312
313 rc = kstrtobool(buf, &reset);
314 if (rc)
315 return rc;
316
317 if (reset) {
318 memset(&card->stats, 0, sizeof(card->stats));
319 for (i = 0; i < card->qdio.no_out_queues; i++) {
320 queue = card->qdio.out_qs[i];
321 if (!queue)
322 break;
323 memset(&queue->stats, 0, sizeof(queue->stats));
324 }
325 }
326
327 return count;
328}
329
330static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
331 qeth_dev_performance_stats_store);
332
333static ssize_t qeth_dev_layer2_show(struct device *dev,
334 struct device_attribute *attr, char *buf)
335{
336 struct qeth_card *card = dev_get_drvdata(dev);
337
338 return sysfs_emit(buf, "%i\n", card->options.layer);
339}
340
341static ssize_t qeth_dev_layer2_store(struct device *dev,
342 struct device_attribute *attr, const char *buf, size_t count)
343{
344 struct qeth_card *card = dev_get_drvdata(dev);
345 struct net_device *ndev;
346 enum qeth_discipline_id newdis;
347 unsigned int input;
348 int rc;
349
350 rc = kstrtouint(buf, 16, &input);
351 if (rc)
352 return rc;
353
354 switch (input) {
355 case 0:
356 newdis = QETH_DISCIPLINE_LAYER3;
357 break;
358 case 1:
359 newdis = QETH_DISCIPLINE_LAYER2;
360 break;
361 default:
362 return -EINVAL;
363 }
364
365 mutex_lock(&card->discipline_mutex);
366 if (card->state != CARD_STATE_DOWN) {
367 rc = -EPERM;
368 goto out;
369 }
370
371 if (card->options.layer == newdis)
372 goto out;
373 if (card->info.layer_enforced) {
374 /* fixed layer, can't switch */
375 rc = -EOPNOTSUPP;
376 goto out;
377 }
378
379 if (card->discipline) {
380 /* start with a new, pristine netdevice: */
381 ndev = qeth_clone_netdev(card->dev);
382 if (!ndev) {
383 rc = -ENOMEM;
384 goto out;
385 }
386
387 qeth_remove_discipline(card);
388 free_netdev(card->dev);
389 card->dev = ndev;
390 }
391
392 rc = qeth_setup_discipline(card, newdis);
393
394out:
395 mutex_unlock(&card->discipline_mutex);
396 return rc ? rc : count;
397}
398
399static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
400 qeth_dev_layer2_store);
401
402#define ATTR_QETH_ISOLATION_NONE ("none")
403#define ATTR_QETH_ISOLATION_FWD ("forward")
404#define ATTR_QETH_ISOLATION_DROP ("drop")
405
406static ssize_t qeth_dev_isolation_show(struct device *dev,
407 struct device_attribute *attr, char *buf)
408{
409 struct qeth_card *card = dev_get_drvdata(dev);
410
411 switch (card->options.isolation) {
412 case ISOLATION_MODE_NONE:
413 return sysfs_emit(buf, "%s\n", ATTR_QETH_ISOLATION_NONE);
414 case ISOLATION_MODE_FWD:
415 return sysfs_emit(buf, "%s\n", ATTR_QETH_ISOLATION_FWD);
416 case ISOLATION_MODE_DROP:
417 return sysfs_emit(buf, "%s\n", ATTR_QETH_ISOLATION_DROP);
418 default:
419 return sysfs_emit(buf, "%s\n", "N/A");
420 }
421}
422
423static ssize_t qeth_dev_isolation_store(struct device *dev,
424 struct device_attribute *attr, const char *buf, size_t count)
425{
426 struct qeth_card *card = dev_get_drvdata(dev);
427 enum qeth_ipa_isolation_modes isolation;
428 int rc = 0;
429
430 mutex_lock(&card->conf_mutex);
431 if (!IS_OSD(card) && !IS_OSX(card)) {
432 rc = -EOPNOTSUPP;
433 dev_err(&card->gdev->dev, "Adapter does not "
434 "support QDIO data connection isolation\n");
435 goto out;
436 }
437
438 /* parse input into isolation mode */
439 if (sysfs_streq(buf, ATTR_QETH_ISOLATION_NONE)) {
440 isolation = ISOLATION_MODE_NONE;
441 } else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_FWD)) {
442 isolation = ISOLATION_MODE_FWD;
443 } else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_DROP)) {
444 isolation = ISOLATION_MODE_DROP;
445 } else {
446 rc = -EINVAL;
447 goto out;
448 }
449
450 if (qeth_card_hw_is_reachable(card))
451 rc = qeth_setadpparms_set_access_ctrl(card, isolation);
452
453 if (!rc)
454 WRITE_ONCE(card->options.isolation, isolation);
455
456out:
457 mutex_unlock(&card->conf_mutex);
458
459 return rc ? rc : count;
460}
461
462static DEVICE_ATTR(isolation, 0644, qeth_dev_isolation_show,
463 qeth_dev_isolation_store);
464
465static ssize_t qeth_dev_switch_attrs_show(struct device *dev,
466 struct device_attribute *attr, char *buf)
467{
468 struct qeth_card *card = dev_get_drvdata(dev);
469 struct qeth_switch_info sw_info;
470 int rc = 0;
471
472 if (!qeth_card_hw_is_reachable(card))
473 return sysfs_emit(buf, "n/a\n");
474
475 rc = qeth_query_switch_attributes(card, &sw_info);
476 if (rc)
477 return rc;
478
479 if (!sw_info.capabilities)
480 rc = sysfs_emit(buf, "unknown");
481
482 if (sw_info.capabilities & QETH_SWITCH_FORW_802_1)
483 rc = sysfs_emit(buf,
484 (sw_info.settings & QETH_SWITCH_FORW_802_1 ?
485 "[802.1]" : "802.1"));
486 if (sw_info.capabilities & QETH_SWITCH_FORW_REFL_RELAY)
487 rc += sysfs_emit_at(buf, rc,
488 (sw_info.settings &
489 QETH_SWITCH_FORW_REFL_RELAY ?
490 " [rr]" : " rr"));
491 rc += sysfs_emit_at(buf, rc, "\n");
492
493 return rc;
494}
495
496static DEVICE_ATTR(switch_attrs, 0444,
497 qeth_dev_switch_attrs_show, NULL);
498
499static ssize_t qeth_hw_trap_show(struct device *dev,
500 struct device_attribute *attr, char *buf)
501{
502 struct qeth_card *card = dev_get_drvdata(dev);
503
504 if (card->info.hwtrap)
505 return sysfs_emit(buf, "arm\n");
506 else
507 return sysfs_emit(buf, "disarm\n");
508}
509
510static ssize_t qeth_hw_trap_store(struct device *dev,
511 struct device_attribute *attr, const char *buf, size_t count)
512{
513 struct qeth_card *card = dev_get_drvdata(dev);
514 int rc = 0;
515 int state = 0;
516
517 mutex_lock(&card->conf_mutex);
518 if (qeth_card_hw_is_reachable(card))
519 state = 1;
520
521 if (sysfs_streq(buf, "arm") && !card->info.hwtrap) {
522 if (state) {
523 if (qeth_is_diagass_supported(card,
524 QETH_DIAGS_CMD_TRAP)) {
525 rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM);
526 if (!rc)
527 card->info.hwtrap = 1;
528 } else
529 rc = -EINVAL;
530 } else
531 card->info.hwtrap = 1;
532 } else if (sysfs_streq(buf, "disarm") && card->info.hwtrap) {
533 if (state) {
534 rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
535 if (!rc)
536 card->info.hwtrap = 0;
537 } else
538 card->info.hwtrap = 0;
539 } else if (sysfs_streq(buf, "trap") && state && card->info.hwtrap)
540 rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_CAPTURE);
541 else
542 rc = -EINVAL;
543
544 mutex_unlock(&card->conf_mutex);
545 return rc ? rc : count;
546}
547
548static DEVICE_ATTR(hw_trap, 0644, qeth_hw_trap_show,
549 qeth_hw_trap_store);
550
551static ssize_t qeth_dev_blkt_store(struct qeth_card *card,
552 const char *buf, size_t count, int *value, int max_value)
553{
554 unsigned int input;
555 int rc;
556
557 rc = kstrtouint(buf, 10, &input);
558 if (rc)
559 return rc;
560
561 if (input > max_value)
562 return -EINVAL;
563
564 mutex_lock(&card->conf_mutex);
565 if (card->state != CARD_STATE_DOWN)
566 rc = -EPERM;
567 else
568 *value = input;
569 mutex_unlock(&card->conf_mutex);
570 return rc ? rc : count;
571}
572
573static ssize_t qeth_dev_blkt_total_show(struct device *dev,
574 struct device_attribute *attr, char *buf)
575{
576 struct qeth_card *card = dev_get_drvdata(dev);
577
578 return sysfs_emit(buf, "%i\n", card->info.blkt.time_total);
579}
580
581static ssize_t qeth_dev_blkt_total_store(struct device *dev,
582 struct device_attribute *attr, const char *buf, size_t count)
583{
584 struct qeth_card *card = dev_get_drvdata(dev);
585
586 return qeth_dev_blkt_store(card, buf, count,
587 &card->info.blkt.time_total, 5000);
588}
589
590static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
591 qeth_dev_blkt_total_store);
592
593static ssize_t qeth_dev_blkt_inter_show(struct device *dev,
594 struct device_attribute *attr, char *buf)
595{
596 struct qeth_card *card = dev_get_drvdata(dev);
597
598 return sysfs_emit(buf, "%i\n", card->info.blkt.inter_packet);
599}
600
601static ssize_t qeth_dev_blkt_inter_store(struct device *dev,
602 struct device_attribute *attr, const char *buf, size_t count)
603{
604 struct qeth_card *card = dev_get_drvdata(dev);
605
606 return qeth_dev_blkt_store(card, buf, count,
607 &card->info.blkt.inter_packet, 1000);
608}
609
610static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
611 qeth_dev_blkt_inter_store);
612
613static ssize_t qeth_dev_blkt_inter_jumbo_show(struct device *dev,
614 struct device_attribute *attr, char *buf)
615{
616 struct qeth_card *card = dev_get_drvdata(dev);
617
618 return sysfs_emit(buf, "%i\n", card->info.blkt.inter_packet_jumbo);
619}
620
621static ssize_t qeth_dev_blkt_inter_jumbo_store(struct device *dev,
622 struct device_attribute *attr, const char *buf, size_t count)
623{
624 struct qeth_card *card = dev_get_drvdata(dev);
625
626 return qeth_dev_blkt_store(card, buf, count,
627 &card->info.blkt.inter_packet_jumbo, 1000);
628}
629
630static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
631 qeth_dev_blkt_inter_jumbo_store);
632
633static struct attribute *qeth_blkt_device_attrs[] = {
634 &dev_attr_total.attr,
635 &dev_attr_inter.attr,
636 &dev_attr_inter_jumbo.attr,
637 NULL,
638};
639
640static const struct attribute_group qeth_dev_blkt_group = {
641 .name = "blkt",
642 .attrs = qeth_blkt_device_attrs,
643};
644
645static struct attribute *qeth_dev_extended_attrs[] = {
646 &dev_attr_inbuf_size.attr,
647 &dev_attr_portno.attr,
648 &dev_attr_portname.attr,
649 &dev_attr_priority_queueing.attr,
650 &dev_attr_performance_stats.attr,
651 &dev_attr_layer2.attr,
652 &dev_attr_isolation.attr,
653 &dev_attr_hw_trap.attr,
654 &dev_attr_switch_attrs.attr,
655 NULL,
656};
657
658static const struct attribute_group qeth_dev_extended_group = {
659 .attrs = qeth_dev_extended_attrs,
660};
661
662static struct attribute *qeth_dev_attrs[] = {
663 &dev_attr_state.attr,
664 &dev_attr_chpid.attr,
665 &dev_attr_if_name.attr,
666 &dev_attr_card_type.attr,
667 &dev_attr_buffer_count.attr,
668 &dev_attr_recover.attr,
669 NULL,
670};
671
672static const struct attribute_group qeth_dev_group = {
673 .attrs = qeth_dev_attrs,
674};
675
676const struct attribute_group *qeth_dev_groups[] = {
677 &qeth_dev_group,
678 &qeth_dev_extended_group,
679 &qeth_dev_blkt_group,
680 NULL,
681};
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright IBM Corp. 2007
4 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
5 * Frank Pavlic <fpavlic@de.ibm.com>,
6 * Thomas Spatzier <tspat@de.ibm.com>,
7 * Frank Blaschka <frank.blaschka@de.ibm.com>
8 */
9
10#define KMSG_COMPONENT "qeth"
11#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
12
13#include <linux/list.h>
14#include <linux/rwsem.h>
15#include <asm/ebcdic.h>
16
17#include "qeth_core.h"
18
19static ssize_t qeth_dev_state_show(struct device *dev,
20 struct device_attribute *attr, char *buf)
21{
22 struct qeth_card *card = dev_get_drvdata(dev);
23
24 switch (card->state) {
25 case CARD_STATE_DOWN:
26 return sprintf(buf, "DOWN\n");
27 case CARD_STATE_SOFTSETUP:
28 if (card->dev->flags & IFF_UP)
29 return sprintf(buf, "UP (LAN %s)\n",
30 netif_carrier_ok(card->dev) ? "ONLINE" :
31 "OFFLINE");
32 return sprintf(buf, "SOFTSETUP\n");
33 default:
34 return sprintf(buf, "UNKNOWN\n");
35 }
36}
37
38static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);
39
40static ssize_t qeth_dev_chpid_show(struct device *dev,
41 struct device_attribute *attr, char *buf)
42{
43 struct qeth_card *card = dev_get_drvdata(dev);
44
45 return sprintf(buf, "%02X\n", card->info.chpid);
46}
47
48static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);
49
50static ssize_t qeth_dev_if_name_show(struct device *dev,
51 struct device_attribute *attr, char *buf)
52{
53 struct qeth_card *card = dev_get_drvdata(dev);
54
55 return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card));
56}
57
58static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);
59
60static ssize_t qeth_dev_card_type_show(struct device *dev,
61 struct device_attribute *attr, char *buf)
62{
63 struct qeth_card *card = dev_get_drvdata(dev);
64
65 return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
66}
67
68static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);
69
70static const char *qeth_get_bufsize_str(struct qeth_card *card)
71{
72 if (card->qdio.in_buf_size == 16384)
73 return "16k";
74 else if (card->qdio.in_buf_size == 24576)
75 return "24k";
76 else if (card->qdio.in_buf_size == 32768)
77 return "32k";
78 else if (card->qdio.in_buf_size == 40960)
79 return "40k";
80 else
81 return "64k";
82}
83
84static ssize_t qeth_dev_inbuf_size_show(struct device *dev,
85 struct device_attribute *attr, char *buf)
86{
87 struct qeth_card *card = dev_get_drvdata(dev);
88
89 return sprintf(buf, "%s\n", qeth_get_bufsize_str(card));
90}
91
92static DEVICE_ATTR(inbuf_size, 0444, qeth_dev_inbuf_size_show, NULL);
93
94static ssize_t qeth_dev_portno_show(struct device *dev,
95 struct device_attribute *attr, char *buf)
96{
97 struct qeth_card *card = dev_get_drvdata(dev);
98
99 return sprintf(buf, "%i\n", card->dev->dev_port);
100}
101
102static ssize_t qeth_dev_portno_store(struct device *dev,
103 struct device_attribute *attr, const char *buf, size_t count)
104{
105 struct qeth_card *card = dev_get_drvdata(dev);
106 char *tmp;
107 unsigned int portno, limit;
108 int rc = 0;
109
110 mutex_lock(&card->conf_mutex);
111 if (card->state != CARD_STATE_DOWN) {
112 rc = -EPERM;
113 goto out;
114 }
115
116 portno = simple_strtoul(buf, &tmp, 16);
117 if (portno > QETH_MAX_PORTNO) {
118 rc = -EINVAL;
119 goto out;
120 }
121 limit = (card->ssqd.pcnt ? card->ssqd.pcnt - 1 : card->ssqd.pcnt);
122 if (portno > limit) {
123 rc = -EINVAL;
124 goto out;
125 }
126 card->dev->dev_port = portno;
127out:
128 mutex_unlock(&card->conf_mutex);
129 return rc ? rc : count;
130}
131
132static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);
133
134static ssize_t qeth_dev_portname_show(struct device *dev,
135 struct device_attribute *attr, char *buf)
136{
137 return sprintf(buf, "no portname required\n");
138}
139
140static ssize_t qeth_dev_portname_store(struct device *dev,
141 struct device_attribute *attr, const char *buf, size_t count)
142{
143 struct qeth_card *card = dev_get_drvdata(dev);
144
145 dev_warn_once(&card->gdev->dev,
146 "portname is deprecated and is ignored\n");
147 return count;
148}
149
150static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
151 qeth_dev_portname_store);
152
153static ssize_t qeth_dev_prioqing_show(struct device *dev,
154 struct device_attribute *attr, char *buf)
155{
156 struct qeth_card *card = dev_get_drvdata(dev);
157
158 switch (card->qdio.do_prio_queueing) {
159 case QETH_PRIO_Q_ING_PREC:
160 return sprintf(buf, "%s\n", "by precedence");
161 case QETH_PRIO_Q_ING_TOS:
162 return sprintf(buf, "%s\n", "by type of service");
163 case QETH_PRIO_Q_ING_SKB:
164 return sprintf(buf, "%s\n", "by skb-priority");
165 case QETH_PRIO_Q_ING_VLAN:
166 return sprintf(buf, "%s\n", "by VLAN headers");
167 default:
168 return sprintf(buf, "always queue %i\n",
169 card->qdio.default_out_queue);
170 }
171}
172
173static ssize_t qeth_dev_prioqing_store(struct device *dev,
174 struct device_attribute *attr, const char *buf, size_t count)
175{
176 struct qeth_card *card = dev_get_drvdata(dev);
177 int rc = 0;
178
179 if (IS_IQD(card) || IS_VM_NIC(card))
180 return -EOPNOTSUPP;
181
182 mutex_lock(&card->conf_mutex);
183 if (card->state != CARD_STATE_DOWN) {
184 rc = -EPERM;
185 goto out;
186 }
187
188 /* check if 1920 devices are supported ,
189 * if though we have to permit priority queueing
190 */
191 if (card->qdio.no_out_queues == 1) {
192 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
193 rc = -EPERM;
194 goto out;
195 }
196
197 if (sysfs_streq(buf, "prio_queueing_prec")) {
198 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
199 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
200 } else if (sysfs_streq(buf, "prio_queueing_skb")) {
201 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_SKB;
202 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
203 } else if (sysfs_streq(buf, "prio_queueing_tos")) {
204 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
205 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
206 } else if (sysfs_streq(buf, "prio_queueing_vlan")) {
207 if (IS_LAYER3(card)) {
208 rc = -EOPNOTSUPP;
209 goto out;
210 }
211 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_VLAN;
212 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
213 } else if (sysfs_streq(buf, "no_prio_queueing:0")) {
214 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_FIXED;
215 card->qdio.default_out_queue = 0;
216 } else if (sysfs_streq(buf, "no_prio_queueing:1")) {
217 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_FIXED;
218 card->qdio.default_out_queue = 1;
219 } else if (sysfs_streq(buf, "no_prio_queueing:2")) {
220 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_FIXED;
221 card->qdio.default_out_queue = 2;
222 } else if (sysfs_streq(buf, "no_prio_queueing:3")) {
223 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_FIXED;
224 card->qdio.default_out_queue = 3;
225 } else if (sysfs_streq(buf, "no_prio_queueing")) {
226 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
227 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
228 } else
229 rc = -EINVAL;
230out:
231 mutex_unlock(&card->conf_mutex);
232 return rc ? rc : count;
233}
234
235static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
236 qeth_dev_prioqing_store);
237
238static ssize_t qeth_dev_bufcnt_show(struct device *dev,
239 struct device_attribute *attr, char *buf)
240{
241 struct qeth_card *card = dev_get_drvdata(dev);
242
243 return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
244}
245
246static ssize_t qeth_dev_bufcnt_store(struct device *dev,
247 struct device_attribute *attr, const char *buf, size_t count)
248{
249 struct qeth_card *card = dev_get_drvdata(dev);
250 unsigned int cnt;
251 char *tmp;
252 int rc = 0;
253
254 mutex_lock(&card->conf_mutex);
255 if (card->state != CARD_STATE_DOWN) {
256 rc = -EPERM;
257 goto out;
258 }
259
260 cnt = simple_strtoul(buf, &tmp, 10);
261 cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN :
262 ((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt);
263
264 rc = qeth_resize_buffer_pool(card, cnt);
265
266out:
267 mutex_unlock(&card->conf_mutex);
268 return rc ? rc : count;
269}
270
271static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
272 qeth_dev_bufcnt_store);
273
274static ssize_t qeth_dev_recover_store(struct device *dev,
275 struct device_attribute *attr, const char *buf, size_t count)
276{
277 struct qeth_card *card = dev_get_drvdata(dev);
278 bool reset;
279 int rc;
280
281 rc = kstrtobool(buf, &reset);
282 if (rc)
283 return rc;
284
285 if (!qeth_card_hw_is_reachable(card))
286 return -EPERM;
287
288 if (reset)
289 rc = qeth_schedule_recovery(card);
290
291 return rc ? rc : count;
292}
293
294static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
295
296static ssize_t qeth_dev_performance_stats_show(struct device *dev,
297 struct device_attribute *attr, char *buf)
298{
299 return sprintf(buf, "1\n");
300}
301
302static ssize_t qeth_dev_performance_stats_store(struct device *dev,
303 struct device_attribute *attr, const char *buf, size_t count)
304{
305 struct qeth_card *card = dev_get_drvdata(dev);
306 struct qeth_qdio_out_q *queue;
307 unsigned int i;
308 bool reset;
309 int rc;
310
311 rc = kstrtobool(buf, &reset);
312 if (rc)
313 return rc;
314
315 if (reset) {
316 memset(&card->stats, 0, sizeof(card->stats));
317 for (i = 0; i < card->qdio.no_out_queues; i++) {
318 queue = card->qdio.out_qs[i];
319 if (!queue)
320 break;
321 memset(&queue->stats, 0, sizeof(queue->stats));
322 }
323 }
324
325 return count;
326}
327
328static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
329 qeth_dev_performance_stats_store);
330
331static ssize_t qeth_dev_layer2_show(struct device *dev,
332 struct device_attribute *attr, char *buf)
333{
334 struct qeth_card *card = dev_get_drvdata(dev);
335
336 return sprintf(buf, "%i\n", card->options.layer);
337}
338
339static ssize_t qeth_dev_layer2_store(struct device *dev,
340 struct device_attribute *attr, const char *buf, size_t count)
341{
342 struct qeth_card *card = dev_get_drvdata(dev);
343 struct net_device *ndev;
344 char *tmp;
345 int i, rc = 0;
346 enum qeth_discipline_id newdis;
347
348 mutex_lock(&card->discipline_mutex);
349 if (card->state != CARD_STATE_DOWN) {
350 rc = -EPERM;
351 goto out;
352 }
353
354 i = simple_strtoul(buf, &tmp, 16);
355 switch (i) {
356 case 0:
357 newdis = QETH_DISCIPLINE_LAYER3;
358 break;
359 case 1:
360 newdis = QETH_DISCIPLINE_LAYER2;
361 break;
362 default:
363 rc = -EINVAL;
364 goto out;
365 }
366
367 if (card->options.layer == newdis)
368 goto out;
369 if (card->info.layer_enforced) {
370 /* fixed layer, can't switch */
371 rc = -EOPNOTSUPP;
372 goto out;
373 }
374
375 if (card->discipline) {
376 /* start with a new, pristine netdevice: */
377 ndev = qeth_clone_netdev(card->dev);
378 if (!ndev) {
379 rc = -ENOMEM;
380 goto out;
381 }
382
383 card->discipline->remove(card->gdev);
384 qeth_core_free_discipline(card);
385 free_netdev(card->dev);
386 card->dev = ndev;
387 }
388
389 rc = qeth_core_load_discipline(card, newdis);
390 if (rc)
391 goto out;
392
393 rc = card->discipline->setup(card->gdev);
394 if (rc)
395 qeth_core_free_discipline(card);
396out:
397 mutex_unlock(&card->discipline_mutex);
398 return rc ? rc : count;
399}
400
401static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
402 qeth_dev_layer2_store);
403
404#define ATTR_QETH_ISOLATION_NONE ("none")
405#define ATTR_QETH_ISOLATION_FWD ("forward")
406#define ATTR_QETH_ISOLATION_DROP ("drop")
407
408static ssize_t qeth_dev_isolation_show(struct device *dev,
409 struct device_attribute *attr, char *buf)
410{
411 struct qeth_card *card = dev_get_drvdata(dev);
412
413 switch (card->options.isolation) {
414 case ISOLATION_MODE_NONE:
415 return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_NONE);
416 case ISOLATION_MODE_FWD:
417 return snprintf(buf, 9, "%s\n", ATTR_QETH_ISOLATION_FWD);
418 case ISOLATION_MODE_DROP:
419 return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_DROP);
420 default:
421 return snprintf(buf, 5, "%s\n", "N/A");
422 }
423}
424
425static ssize_t qeth_dev_isolation_store(struct device *dev,
426 struct device_attribute *attr, const char *buf, size_t count)
427{
428 struct qeth_card *card = dev_get_drvdata(dev);
429 enum qeth_ipa_isolation_modes isolation;
430 int rc = 0;
431
432 mutex_lock(&card->conf_mutex);
433 if (!IS_OSD(card) && !IS_OSX(card)) {
434 rc = -EOPNOTSUPP;
435 dev_err(&card->gdev->dev, "Adapter does not "
436 "support QDIO data connection isolation\n");
437 goto out;
438 }
439
440 /* parse input into isolation mode */
441 if (sysfs_streq(buf, ATTR_QETH_ISOLATION_NONE)) {
442 isolation = ISOLATION_MODE_NONE;
443 } else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_FWD)) {
444 isolation = ISOLATION_MODE_FWD;
445 } else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_DROP)) {
446 isolation = ISOLATION_MODE_DROP;
447 } else {
448 rc = -EINVAL;
449 goto out;
450 }
451
452 if (qeth_card_hw_is_reachable(card))
453 rc = qeth_setadpparms_set_access_ctrl(card, isolation);
454
455 if (!rc)
456 WRITE_ONCE(card->options.isolation, isolation);
457
458out:
459 mutex_unlock(&card->conf_mutex);
460
461 return rc ? rc : count;
462}
463
464static DEVICE_ATTR(isolation, 0644, qeth_dev_isolation_show,
465 qeth_dev_isolation_store);
466
467static ssize_t qeth_dev_switch_attrs_show(struct device *dev,
468 struct device_attribute *attr, char *buf)
469{
470 struct qeth_card *card = dev_get_drvdata(dev);
471 struct qeth_switch_info sw_info;
472 int rc = 0;
473
474 if (!qeth_card_hw_is_reachable(card))
475 return sprintf(buf, "n/a\n");
476
477 rc = qeth_query_switch_attributes(card, &sw_info);
478 if (rc)
479 return rc;
480
481 if (!sw_info.capabilities)
482 rc = sprintf(buf, "unknown");
483
484 if (sw_info.capabilities & QETH_SWITCH_FORW_802_1)
485 rc = sprintf(buf, (sw_info.settings & QETH_SWITCH_FORW_802_1 ?
486 "[802.1]" : "802.1"));
487 if (sw_info.capabilities & QETH_SWITCH_FORW_REFL_RELAY)
488 rc += sprintf(buf + rc,
489 (sw_info.settings & QETH_SWITCH_FORW_REFL_RELAY ?
490 " [rr]" : " rr"));
491 rc += sprintf(buf + rc, "\n");
492
493 return rc;
494}
495
496static DEVICE_ATTR(switch_attrs, 0444,
497 qeth_dev_switch_attrs_show, NULL);
498
499static ssize_t qeth_hw_trap_show(struct device *dev,
500 struct device_attribute *attr, char *buf)
501{
502 struct qeth_card *card = dev_get_drvdata(dev);
503
504 if (card->info.hwtrap)
505 return snprintf(buf, 5, "arm\n");
506 else
507 return snprintf(buf, 8, "disarm\n");
508}
509
510static ssize_t qeth_hw_trap_store(struct device *dev,
511 struct device_attribute *attr, const char *buf, size_t count)
512{
513 struct qeth_card *card = dev_get_drvdata(dev);
514 int rc = 0;
515 int state = 0;
516
517 mutex_lock(&card->conf_mutex);
518 if (qeth_card_hw_is_reachable(card))
519 state = 1;
520
521 if (sysfs_streq(buf, "arm") && !card->info.hwtrap) {
522 if (state) {
523 if (qeth_is_diagass_supported(card,
524 QETH_DIAGS_CMD_TRAP)) {
525 rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM);
526 if (!rc)
527 card->info.hwtrap = 1;
528 } else
529 rc = -EINVAL;
530 } else
531 card->info.hwtrap = 1;
532 } else if (sysfs_streq(buf, "disarm") && card->info.hwtrap) {
533 if (state) {
534 rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
535 if (!rc)
536 card->info.hwtrap = 0;
537 } else
538 card->info.hwtrap = 0;
539 } else if (sysfs_streq(buf, "trap") && state && card->info.hwtrap)
540 rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_CAPTURE);
541 else
542 rc = -EINVAL;
543
544 mutex_unlock(&card->conf_mutex);
545 return rc ? rc : count;
546}
547
548static DEVICE_ATTR(hw_trap, 0644, qeth_hw_trap_show,
549 qeth_hw_trap_store);
550
551static ssize_t qeth_dev_blkt_store(struct qeth_card *card,
552 const char *buf, size_t count, int *value, int max_value)
553{
554 char *tmp;
555 int i, rc = 0;
556
557 mutex_lock(&card->conf_mutex);
558 if (card->state != CARD_STATE_DOWN) {
559 rc = -EPERM;
560 goto out;
561 }
562 i = simple_strtoul(buf, &tmp, 10);
563 if (i <= max_value)
564 *value = i;
565 else
566 rc = -EINVAL;
567out:
568 mutex_unlock(&card->conf_mutex);
569 return rc ? rc : count;
570}
571
572static ssize_t qeth_dev_blkt_total_show(struct device *dev,
573 struct device_attribute *attr, char *buf)
574{
575 struct qeth_card *card = dev_get_drvdata(dev);
576
577 return sprintf(buf, "%i\n", card->info.blkt.time_total);
578}
579
580static ssize_t qeth_dev_blkt_total_store(struct device *dev,
581 struct device_attribute *attr, const char *buf, size_t count)
582{
583 struct qeth_card *card = dev_get_drvdata(dev);
584
585 return qeth_dev_blkt_store(card, buf, count,
586 &card->info.blkt.time_total, 5000);
587}
588
589static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
590 qeth_dev_blkt_total_store);
591
592static ssize_t qeth_dev_blkt_inter_show(struct device *dev,
593 struct device_attribute *attr, char *buf)
594{
595 struct qeth_card *card = dev_get_drvdata(dev);
596
597 return sprintf(buf, "%i\n", card->info.blkt.inter_packet);
598}
599
600static ssize_t qeth_dev_blkt_inter_store(struct device *dev,
601 struct device_attribute *attr, const char *buf, size_t count)
602{
603 struct qeth_card *card = dev_get_drvdata(dev);
604
605 return qeth_dev_blkt_store(card, buf, count,
606 &card->info.blkt.inter_packet, 1000);
607}
608
609static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
610 qeth_dev_blkt_inter_store);
611
612static ssize_t qeth_dev_blkt_inter_jumbo_show(struct device *dev,
613 struct device_attribute *attr, char *buf)
614{
615 struct qeth_card *card = dev_get_drvdata(dev);
616
617 return sprintf(buf, "%i\n", card->info.blkt.inter_packet_jumbo);
618}
619
620static ssize_t qeth_dev_blkt_inter_jumbo_store(struct device *dev,
621 struct device_attribute *attr, const char *buf, size_t count)
622{
623 struct qeth_card *card = dev_get_drvdata(dev);
624
625 return qeth_dev_blkt_store(card, buf, count,
626 &card->info.blkt.inter_packet_jumbo, 1000);
627}
628
629static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
630 qeth_dev_blkt_inter_jumbo_store);
631
632static struct attribute *qeth_blkt_device_attrs[] = {
633 &dev_attr_total.attr,
634 &dev_attr_inter.attr,
635 &dev_attr_inter_jumbo.attr,
636 NULL,
637};
638const struct attribute_group qeth_device_blkt_group = {
639 .name = "blkt",
640 .attrs = qeth_blkt_device_attrs,
641};
642EXPORT_SYMBOL_GPL(qeth_device_blkt_group);
643
644static struct attribute *qeth_device_attrs[] = {
645 &dev_attr_state.attr,
646 &dev_attr_chpid.attr,
647 &dev_attr_if_name.attr,
648 &dev_attr_card_type.attr,
649 &dev_attr_inbuf_size.attr,
650 &dev_attr_portno.attr,
651 &dev_attr_portname.attr,
652 &dev_attr_priority_queueing.attr,
653 &dev_attr_buffer_count.attr,
654 &dev_attr_recover.attr,
655 &dev_attr_performance_stats.attr,
656 &dev_attr_layer2.attr,
657 &dev_attr_isolation.attr,
658 &dev_attr_hw_trap.attr,
659 &dev_attr_switch_attrs.attr,
660 NULL,
661};
662const struct attribute_group qeth_device_attr_group = {
663 .attrs = qeth_device_attrs,
664};
665EXPORT_SYMBOL_GPL(qeth_device_attr_group);
666
667const struct attribute_group *qeth_generic_attr_groups[] = {
668 &qeth_device_attr_group,
669 &qeth_device_blkt_group,
670 NULL,
671};
672
673static struct attribute *qeth_osn_device_attrs[] = {
674 &dev_attr_state.attr,
675 &dev_attr_chpid.attr,
676 &dev_attr_if_name.attr,
677 &dev_attr_card_type.attr,
678 &dev_attr_buffer_count.attr,
679 &dev_attr_recover.attr,
680 NULL,
681};
682static struct attribute_group qeth_osn_device_attr_group = {
683 .attrs = qeth_osn_device_attrs,
684};
685const struct attribute_group *qeth_osn_attr_groups[] = {
686 &qeth_osn_device_attr_group,
687 NULL,
688};