1
2
3
4#include <linux/printk.h>
5#include <linux/dynamic_debug.h>
6#include <linux/module.h>
7#include <linux/netdevice.h>
8#include <linux/utsname.h>
9#include <generated/utsrelease.h>
10#include <linux/ctype.h>
11
12#include "ionic.h"
13#include "ionic_bus.h"
14#include "ionic_lif.h"
15#include "ionic_debugfs.h"
16
17MODULE_DESCRIPTION(IONIC_DRV_DESCRIPTION);
18MODULE_AUTHOR("Pensando Systems, Inc");
19MODULE_LICENSE("GPL");
20
21static const char *ionic_error_to_str(enum ionic_status_code code)
22{
23 switch (code) {
24 case IONIC_RC_SUCCESS:
25 return "IONIC_RC_SUCCESS";
26 case IONIC_RC_EVERSION:
27 return "IONIC_RC_EVERSION";
28 case IONIC_RC_EOPCODE:
29 return "IONIC_RC_EOPCODE";
30 case IONIC_RC_EIO:
31 return "IONIC_RC_EIO";
32 case IONIC_RC_EPERM:
33 return "IONIC_RC_EPERM";
34 case IONIC_RC_EQID:
35 return "IONIC_RC_EQID";
36 case IONIC_RC_EQTYPE:
37 return "IONIC_RC_EQTYPE";
38 case IONIC_RC_ENOENT:
39 return "IONIC_RC_ENOENT";
40 case IONIC_RC_EINTR:
41 return "IONIC_RC_EINTR";
42 case IONIC_RC_EAGAIN:
43 return "IONIC_RC_EAGAIN";
44 case IONIC_RC_ENOMEM:
45 return "IONIC_RC_ENOMEM";
46 case IONIC_RC_EFAULT:
47 return "IONIC_RC_EFAULT";
48 case IONIC_RC_EBUSY:
49 return "IONIC_RC_EBUSY";
50 case IONIC_RC_EEXIST:
51 return "IONIC_RC_EEXIST";
52 case IONIC_RC_EINVAL:
53 return "IONIC_RC_EINVAL";
54 case IONIC_RC_ENOSPC:
55 return "IONIC_RC_ENOSPC";
56 case IONIC_RC_ERANGE:
57 return "IONIC_RC_ERANGE";
58 case IONIC_RC_BAD_ADDR:
59 return "IONIC_RC_BAD_ADDR";
60 case IONIC_RC_DEV_CMD:
61 return "IONIC_RC_DEV_CMD";
62 case IONIC_RC_ENOSUPP:
63 return "IONIC_RC_ENOSUPP";
64 case IONIC_RC_ERROR:
65 return "IONIC_RC_ERROR";
66 case IONIC_RC_ERDMA:
67 return "IONIC_RC_ERDMA";
68 case IONIC_RC_EBAD_FW:
69 return "IONIC_RC_EBAD_FW";
70 default:
71 return "IONIC_RC_UNKNOWN";
72 }
73}
74
75static int ionic_error_to_errno(enum ionic_status_code code)
76{
77 switch (code) {
78 case IONIC_RC_SUCCESS:
79 return 0;
80 case IONIC_RC_EVERSION:
81 case IONIC_RC_EQTYPE:
82 case IONIC_RC_EQID:
83 case IONIC_RC_EINVAL:
84 case IONIC_RC_ENOSUPP:
85 return -EINVAL;
86 case IONIC_RC_EPERM:
87 return -EPERM;
88 case IONIC_RC_ENOENT:
89 return -ENOENT;
90 case IONIC_RC_EAGAIN:
91 return -EAGAIN;
92 case IONIC_RC_ENOMEM:
93 return -ENOMEM;
94 case IONIC_RC_EFAULT:
95 return -EFAULT;
96 case IONIC_RC_EBUSY:
97 return -EBUSY;
98 case IONIC_RC_EEXIST:
99 return -EEXIST;
100 case IONIC_RC_ENOSPC:
101 return -ENOSPC;
102 case IONIC_RC_ERANGE:
103 return -ERANGE;
104 case IONIC_RC_BAD_ADDR:
105 return -EFAULT;
106 case IONIC_RC_EOPCODE:
107 case IONIC_RC_EINTR:
108 case IONIC_RC_DEV_CMD:
109 case IONIC_RC_ERROR:
110 case IONIC_RC_ERDMA:
111 case IONIC_RC_EIO:
112 default:
113 return -EIO;
114 }
115}
116
117static const char *ionic_opcode_to_str(enum ionic_cmd_opcode opcode)
118{
119 switch (opcode) {
120 case IONIC_CMD_NOP:
121 return "IONIC_CMD_NOP";
122 case IONIC_CMD_INIT:
123 return "IONIC_CMD_INIT";
124 case IONIC_CMD_RESET:
125 return "IONIC_CMD_RESET";
126 case IONIC_CMD_IDENTIFY:
127 return "IONIC_CMD_IDENTIFY";
128 case IONIC_CMD_GETATTR:
129 return "IONIC_CMD_GETATTR";
130 case IONIC_CMD_SETATTR:
131 return "IONIC_CMD_SETATTR";
132 case IONIC_CMD_PORT_IDENTIFY:
133 return "IONIC_CMD_PORT_IDENTIFY";
134 case IONIC_CMD_PORT_INIT:
135 return "IONIC_CMD_PORT_INIT";
136 case IONIC_CMD_PORT_RESET:
137 return "IONIC_CMD_PORT_RESET";
138 case IONIC_CMD_PORT_GETATTR:
139 return "IONIC_CMD_PORT_GETATTR";
140 case IONIC_CMD_PORT_SETATTR:
141 return "IONIC_CMD_PORT_SETATTR";
142 case IONIC_CMD_LIF_INIT:
143 return "IONIC_CMD_LIF_INIT";
144 case IONIC_CMD_LIF_RESET:
145 return "IONIC_CMD_LIF_RESET";
146 case IONIC_CMD_LIF_IDENTIFY:
147 return "IONIC_CMD_LIF_IDENTIFY";
148 case IONIC_CMD_LIF_SETATTR:
149 return "IONIC_CMD_LIF_SETATTR";
150 case IONIC_CMD_LIF_GETATTR:
151 return "IONIC_CMD_LIF_GETATTR";
152 case IONIC_CMD_LIF_SETPHC:
153 return "IONIC_CMD_LIF_SETPHC";
154 case IONIC_CMD_RX_MODE_SET:
155 return "IONIC_CMD_RX_MODE_SET";
156 case IONIC_CMD_RX_FILTER_ADD:
157 return "IONIC_CMD_RX_FILTER_ADD";
158 case IONIC_CMD_RX_FILTER_DEL:
159 return "IONIC_CMD_RX_FILTER_DEL";
160 case IONIC_CMD_Q_IDENTIFY:
161 return "IONIC_CMD_Q_IDENTIFY";
162 case IONIC_CMD_Q_INIT:
163 return "IONIC_CMD_Q_INIT";
164 case IONIC_CMD_Q_CONTROL:
165 return "IONIC_CMD_Q_CONTROL";
166 case IONIC_CMD_RDMA_RESET_LIF:
167 return "IONIC_CMD_RDMA_RESET_LIF";
168 case IONIC_CMD_RDMA_CREATE_EQ:
169 return "IONIC_CMD_RDMA_CREATE_EQ";
170 case IONIC_CMD_RDMA_CREATE_CQ:
171 return "IONIC_CMD_RDMA_CREATE_CQ";
172 case IONIC_CMD_RDMA_CREATE_ADMINQ:
173 return "IONIC_CMD_RDMA_CREATE_ADMINQ";
174 case IONIC_CMD_FW_DOWNLOAD:
175 return "IONIC_CMD_FW_DOWNLOAD";
176 case IONIC_CMD_FW_CONTROL:
177 return "IONIC_CMD_FW_CONTROL";
178 case IONIC_CMD_FW_DOWNLOAD_V1:
179 return "IONIC_CMD_FW_DOWNLOAD_V1";
180 case IONIC_CMD_FW_CONTROL_V1:
181 return "IONIC_CMD_FW_CONTROL_V1";
182 case IONIC_CMD_VF_GETATTR:
183 return "IONIC_CMD_VF_GETATTR";
184 case IONIC_CMD_VF_SETATTR:
185 return "IONIC_CMD_VF_SETATTR";
186 default:
187 return "DEVCMD_UNKNOWN";
188 }
189}
190
191const char *ionic_vf_attr_to_str(enum ionic_vf_attr attr)
192{
193 switch (attr) {
194 case IONIC_VF_ATTR_SPOOFCHK:
195 return "IONIC_VF_ATTR_SPOOFCHK";
196 case IONIC_VF_ATTR_TRUST:
197 return "IONIC_VF_ATTR_TRUST";
198 case IONIC_VF_ATTR_LINKSTATE:
199 return "IONIC_VF_ATTR_LINKSTATE";
200 case IONIC_VF_ATTR_MAC:
201 return "IONIC_VF_ATTR_MAC";
202 case IONIC_VF_ATTR_VLAN:
203 return "IONIC_VF_ATTR_VLAN";
204 case IONIC_VF_ATTR_RATE:
205 return "IONIC_VF_ATTR_RATE";
206 case IONIC_VF_ATTR_STATSADDR:
207 return "IONIC_VF_ATTR_STATSADDR";
208 default:
209 return "IONIC_VF_ATTR_UNKNOWN";
210 }
211}
212
213static void ionic_adminq_flush(struct ionic_lif *lif)
214{
215 struct ionic_desc_info *desc_info;
216 unsigned long irqflags;
217 struct ionic_queue *q;
218
219 spin_lock_irqsave(&lif->adminq_lock, irqflags);
220 if (!lif->adminqcq) {
221 spin_unlock_irqrestore(&lif->adminq_lock, irqflags);
222 return;
223 }
224
225 q = &lif->adminqcq->q;
226
227 while (q->tail_idx != q->head_idx) {
228 desc_info = &q->info[q->tail_idx];
229 memset(desc_info->desc, 0, sizeof(union ionic_adminq_cmd));
230 desc_info->cb = NULL;
231 desc_info->cb_arg = NULL;
232 q->tail_idx = (q->tail_idx + 1) & (q->num_descs - 1);
233 }
234 spin_unlock_irqrestore(&lif->adminq_lock, irqflags);
235}
236
237void ionic_adminq_netdev_err_print(struct ionic_lif *lif, u8 opcode,
238 u8 status, int err)
239{
240 const char *stat_str;
241
242 stat_str = (err == -ETIMEDOUT) ? "TIMEOUT" :
243 ionic_error_to_str(status);
244
245 netdev_err(lif->netdev, "%s (%d) failed: %s (%d)\n",
246 ionic_opcode_to_str(opcode), opcode, stat_str, err);
247}
248
249static int ionic_adminq_check_err(struct ionic_lif *lif,
250 struct ionic_admin_ctx *ctx,
251 const bool timeout,
252 const bool do_msg)
253{
254 int err = 0;
255
256 if (ctx->comp.comp.status || timeout) {
257 err = timeout ? -ETIMEDOUT :
258 ionic_error_to_errno(ctx->comp.comp.status);
259
260 if (do_msg)
261 ionic_adminq_netdev_err_print(lif, ctx->cmd.cmd.opcode,
262 ctx->comp.comp.status, err);
263
264 if (timeout)
265 ionic_adminq_flush(lif);
266 }
267
268 return err;
269}
270
271static void ionic_adminq_cb(struct ionic_queue *q,
272 struct ionic_desc_info *desc_info,
273 struct ionic_cq_info *cq_info, void *cb_arg)
274{
275 struct ionic_admin_ctx *ctx = cb_arg;
276 struct ionic_admin_comp *comp;
277
278 if (!ctx)
279 return;
280
281 comp = cq_info->cq_desc;
282
283 memcpy(&ctx->comp, comp, sizeof(*comp));
284
285 dev_dbg(q->dev, "comp admin queue command:\n");
286 dynamic_hex_dump("comp ", DUMP_PREFIX_OFFSET, 16, 1,
287 &ctx->comp, sizeof(ctx->comp), true);
288
289 complete_all(&ctx->work);
290}
291
292int ionic_adminq_post(struct ionic_lif *lif, struct ionic_admin_ctx *ctx)
293{
294 struct ionic_desc_info *desc_info;
295 unsigned long irqflags;
296 struct ionic_queue *q;
297 int err = 0;
298
299 spin_lock_irqsave(&lif->adminq_lock, irqflags);
300 if (!lif->adminqcq) {
301 spin_unlock_irqrestore(&lif->adminq_lock, irqflags);
302 return -EIO;
303 }
304
305 q = &lif->adminqcq->q;
306
307 if (!ionic_q_has_space(q, 1)) {
308 err = -ENOSPC;
309 goto err_out;
310 }
311
312 err = ionic_heartbeat_check(lif->ionic);
313 if (err)
314 goto err_out;
315
316 desc_info = &q->info[q->head_idx];
317 memcpy(desc_info->desc, &ctx->cmd, sizeof(ctx->cmd));
318
319 dev_dbg(&lif->netdev->dev, "post admin queue command:\n");
320 dynamic_hex_dump("cmd ", DUMP_PREFIX_OFFSET, 16, 1,
321 &ctx->cmd, sizeof(ctx->cmd), true);
322
323 ionic_q_post(q, true, ionic_adminq_cb, ctx);
324
325err_out:
326 spin_unlock_irqrestore(&lif->adminq_lock, irqflags);
327
328 return err;
329}
330
331int ionic_adminq_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx,
332 const int err, const bool do_msg)
333{
334 struct net_device *netdev = lif->netdev;
335 unsigned long time_limit;
336 unsigned long time_start;
337 unsigned long time_done;
338 unsigned long remaining;
339 const char *name;
340
341 name = ionic_opcode_to_str(ctx->cmd.cmd.opcode);
342
343 if (err) {
344 if (do_msg && !test_bit(IONIC_LIF_F_FW_RESET, lif->state))
345 netdev_err(netdev, "Posting of %s (%d) failed: %d\n",
346 name, ctx->cmd.cmd.opcode, err);
347 ctx->comp.comp.status = IONIC_RC_ERROR;
348 return err;
349 }
350
351 time_start = jiffies;
352 time_limit = time_start + HZ * (ulong)DEVCMD_TIMEOUT;
353 do {
354 remaining = wait_for_completion_timeout(&ctx->work,
355 IONIC_ADMINQ_TIME_SLICE);
356
357
358 if (remaining)
359 break;
360
361
362 (void)ionic_heartbeat_check(lif->ionic);
363 if ((test_bit(IONIC_LIF_F_FW_RESET, lif->state) &&
364 !lif->ionic->idev.fw_status_ready) ||
365 test_bit(IONIC_LIF_F_FW_STOPPING, lif->state)) {
366 if (do_msg)
367 netdev_warn(netdev, "%s (%d) interrupted, FW in reset\n",
368 name, ctx->cmd.cmd.opcode);
369 ctx->comp.comp.status = IONIC_RC_ERROR;
370 return -ENXIO;
371 }
372
373 } while (time_before(jiffies, time_limit));
374 time_done = jiffies;
375
376 dev_dbg(lif->ionic->dev, "%s: elapsed %d msecs\n",
377 __func__, jiffies_to_msecs(time_done - time_start));
378
379 return ionic_adminq_check_err(lif, ctx,
380 time_after_eq(time_done, time_limit),
381 do_msg);
382}
383
384int ionic_adminq_post_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx)
385{
386 int err;
387
388 err = ionic_adminq_post(lif, ctx);
389
390 return ionic_adminq_wait(lif, ctx, err, true);
391}
392
393int ionic_adminq_post_wait_nomsg(struct ionic_lif *lif, struct ionic_admin_ctx *ctx)
394{
395 int err;
396
397 err = ionic_adminq_post(lif, ctx);
398
399 return ionic_adminq_wait(lif, ctx, err, false);
400}
401
402static void ionic_dev_cmd_clean(struct ionic *ionic)
403{
404 struct ionic_dev *idev = &ionic->idev;
405
406 iowrite32(0, &idev->dev_cmd_regs->doorbell);
407 memset_io(&idev->dev_cmd_regs->cmd, 0, sizeof(idev->dev_cmd_regs->cmd));
408}
409
410void ionic_dev_cmd_dev_err_print(struct ionic *ionic, u8 opcode, u8 status,
411 int err)
412{
413 const char *stat_str;
414
415 stat_str = (err == -ETIMEDOUT) ? "TIMEOUT" :
416 ionic_error_to_str(status);
417
418 dev_err(ionic->dev, "DEV_CMD %s (%d) error, %s (%d) failed\n",
419 ionic_opcode_to_str(opcode), opcode, stat_str, err);
420}
421
422static int __ionic_dev_cmd_wait(struct ionic *ionic, unsigned long max_seconds,
423 const bool do_msg)
424{
425 struct ionic_dev *idev = &ionic->idev;
426 unsigned long start_time;
427 unsigned long max_wait;
428 unsigned long duration;
429 int done = 0;
430 bool fw_up;
431 int opcode;
432 int err;
433
434
435
436
437 max_wait = jiffies + (max_seconds * HZ);
438try_again:
439 opcode = readb(&idev->dev_cmd_regs->cmd.cmd.opcode);
440 start_time = jiffies;
441 for (fw_up = ionic_is_fw_running(idev);
442 !done && fw_up && time_before(jiffies, max_wait);
443 fw_up = ionic_is_fw_running(idev)) {
444 done = ionic_dev_cmd_done(idev);
445 if (done)
446 break;
447 usleep_range(100, 200);
448 }
449 duration = jiffies - start_time;
450
451 dev_dbg(ionic->dev, "DEVCMD %s (%d) done=%d took %ld secs (%ld jiffies)\n",
452 ionic_opcode_to_str(opcode), opcode,
453 done, duration / HZ, duration);
454
455 if (!done && !fw_up) {
456 ionic_dev_cmd_clean(ionic);
457 dev_warn(ionic->dev, "DEVCMD %s (%d) interrupted - FW is down\n",
458 ionic_opcode_to_str(opcode), opcode);
459 return -ENXIO;
460 }
461
462 if (!done && !time_before(jiffies, max_wait)) {
463 ionic_dev_cmd_clean(ionic);
464 dev_warn(ionic->dev, "DEVCMD %s (%d) timeout after %ld secs\n",
465 ionic_opcode_to_str(opcode), opcode, max_seconds);
466 return -ETIMEDOUT;
467 }
468
469 err = ionic_dev_cmd_status(&ionic->idev);
470 if (err) {
471 if (err == IONIC_RC_EAGAIN &&
472 time_before(jiffies, (max_wait - HZ))) {
473 dev_dbg(ionic->dev, "DEV_CMD %s (%d), %s (%d) retrying...\n",
474 ionic_opcode_to_str(opcode), opcode,
475 ionic_error_to_str(err), err);
476
477 msleep(1000);
478 iowrite32(0, &idev->dev_cmd_regs->done);
479 iowrite32(1, &idev->dev_cmd_regs->doorbell);
480 goto try_again;
481 }
482
483 if (!(opcode == IONIC_CMD_FW_CONTROL && err == IONIC_RC_EAGAIN))
484 if (do_msg)
485 ionic_dev_cmd_dev_err_print(ionic, opcode, err,
486 ionic_error_to_errno(err));
487
488 return ionic_error_to_errno(err);
489 }
490
491 return 0;
492}
493
494int ionic_dev_cmd_wait(struct ionic *ionic, unsigned long max_seconds)
495{
496 return __ionic_dev_cmd_wait(ionic, max_seconds, true);
497}
498
499int ionic_dev_cmd_wait_nomsg(struct ionic *ionic, unsigned long max_seconds)
500{
501 return __ionic_dev_cmd_wait(ionic, max_seconds, false);
502}
503
504int ionic_setup(struct ionic *ionic)
505{
506 int err;
507
508 err = ionic_dev_setup(ionic);
509 if (err)
510 return err;
511 ionic_reset(ionic);
512
513 return 0;
514}
515
516int ionic_identify(struct ionic *ionic)
517{
518 struct ionic_identity *ident = &ionic->ident;
519 struct ionic_dev *idev = &ionic->idev;
520 size_t sz;
521 int err;
522
523 memset(ident, 0, sizeof(*ident));
524
525 ident->drv.os_type = cpu_to_le32(IONIC_OS_TYPE_LINUX);
526 strncpy(ident->drv.driver_ver_str, UTS_RELEASE,
527 sizeof(ident->drv.driver_ver_str) - 1);
528
529 mutex_lock(&ionic->dev_cmd_lock);
530
531 sz = min(sizeof(ident->drv), sizeof(idev->dev_cmd_regs->data));
532 memcpy_toio(&idev->dev_cmd_regs->data, &ident->drv, sz);
533
534 ionic_dev_cmd_identify(idev, IONIC_IDENTITY_VERSION_1);
535 err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
536 if (!err) {
537 sz = min(sizeof(ident->dev), sizeof(idev->dev_cmd_regs->data));
538 memcpy_fromio(&ident->dev, &idev->dev_cmd_regs->data, sz);
539 }
540 mutex_unlock(&ionic->dev_cmd_lock);
541
542 if (err) {
543 dev_err(ionic->dev, "Cannot identify ionic: %d\n", err);
544 goto err_out;
545 }
546
547 if (isprint(idev->dev_info.fw_version[0]) &&
548 isascii(idev->dev_info.fw_version[0]))
549 dev_info(ionic->dev, "FW: %.*s\n",
550 (int)(sizeof(idev->dev_info.fw_version) - 1),
551 idev->dev_info.fw_version);
552 else
553 dev_info(ionic->dev, "FW: (invalid string) 0x%02x 0x%02x 0x%02x 0x%02x ...\n",
554 (u8)idev->dev_info.fw_version[0],
555 (u8)idev->dev_info.fw_version[1],
556 (u8)idev->dev_info.fw_version[2],
557 (u8)idev->dev_info.fw_version[3]);
558
559 err = ionic_lif_identify(ionic, IONIC_LIF_TYPE_CLASSIC,
560 &ionic->ident.lif);
561 if (err) {
562 dev_err(ionic->dev, "Cannot identify LIFs: %d\n", err);
563 goto err_out;
564 }
565
566 return 0;
567
568err_out:
569 return err;
570}
571
572int ionic_init(struct ionic *ionic)
573{
574 struct ionic_dev *idev = &ionic->idev;
575 int err;
576
577 mutex_lock(&ionic->dev_cmd_lock);
578 ionic_dev_cmd_init(idev);
579 err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
580 mutex_unlock(&ionic->dev_cmd_lock);
581
582 return err;
583}
584
585int ionic_reset(struct ionic *ionic)
586{
587 struct ionic_dev *idev = &ionic->idev;
588 int err;
589
590 if (!ionic_is_fw_running(idev))
591 return 0;
592
593 mutex_lock(&ionic->dev_cmd_lock);
594 ionic_dev_cmd_reset(idev);
595 err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
596 mutex_unlock(&ionic->dev_cmd_lock);
597
598 return err;
599}
600
601int ionic_port_identify(struct ionic *ionic)
602{
603 struct ionic_identity *ident = &ionic->ident;
604 struct ionic_dev *idev = &ionic->idev;
605 size_t sz;
606 int err;
607
608 mutex_lock(&ionic->dev_cmd_lock);
609
610 ionic_dev_cmd_port_identify(idev);
611 err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
612 if (!err) {
613 sz = min(sizeof(ident->port), sizeof(idev->dev_cmd_regs->data));
614 memcpy_fromio(&ident->port, &idev->dev_cmd_regs->data, sz);
615 }
616
617 mutex_unlock(&ionic->dev_cmd_lock);
618
619 return err;
620}
621
622int ionic_port_init(struct ionic *ionic)
623{
624 struct ionic_identity *ident = &ionic->ident;
625 struct ionic_dev *idev = &ionic->idev;
626 size_t sz;
627 int err;
628
629 if (!idev->port_info) {
630 idev->port_info_sz = ALIGN(sizeof(*idev->port_info), PAGE_SIZE);
631 idev->port_info = dma_alloc_coherent(ionic->dev,
632 idev->port_info_sz,
633 &idev->port_info_pa,
634 GFP_KERNEL);
635 if (!idev->port_info)
636 return -ENOMEM;
637 }
638
639 sz = min(sizeof(ident->port.config), sizeof(idev->dev_cmd_regs->data));
640
641 mutex_lock(&ionic->dev_cmd_lock);
642
643 memcpy_toio(&idev->dev_cmd_regs->data, &ident->port.config, sz);
644 ionic_dev_cmd_port_init(idev);
645 err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
646
647 ionic_dev_cmd_port_state(&ionic->idev, IONIC_PORT_ADMIN_STATE_UP);
648 (void)ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
649
650 mutex_unlock(&ionic->dev_cmd_lock);
651 if (err) {
652 dev_err(ionic->dev, "Failed to init port\n");
653 dma_free_coherent(ionic->dev, idev->port_info_sz,
654 idev->port_info, idev->port_info_pa);
655 idev->port_info = NULL;
656 idev->port_info_pa = 0;
657 }
658
659 return err;
660}
661
662int ionic_port_reset(struct ionic *ionic)
663{
664 struct ionic_dev *idev = &ionic->idev;
665 int err = 0;
666
667 if (!idev->port_info)
668 return 0;
669
670 if (ionic_is_fw_running(idev)) {
671 mutex_lock(&ionic->dev_cmd_lock);
672 ionic_dev_cmd_port_reset(idev);
673 err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
674 mutex_unlock(&ionic->dev_cmd_lock);
675 }
676
677 dma_free_coherent(ionic->dev, idev->port_info_sz,
678 idev->port_info, idev->port_info_pa);
679
680 idev->port_info = NULL;
681 idev->port_info_pa = 0;
682
683 return err;
684}
685
686static int __init ionic_init_module(void)
687{
688 ionic_debugfs_create();
689 return ionic_bus_register_driver();
690}
691
692static void __exit ionic_cleanup_module(void)
693{
694 ionic_bus_unregister_driver();
695 ionic_debugfs_destroy();
696
697 pr_info("%s removed\n", IONIC_DRV_NAME);
698}
699
700module_init(ionic_init_module);
701module_exit(ionic_cleanup_module);
702
