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7#include "qla_nvme.h"
8#include <linux/scatterlist.h>
9#include <linux/delay.h>
10#include <linux/nvme.h>
11#include <linux/nvme-fc.h>
12
13static struct nvme_fc_port_template qla_nvme_fc_transport;
14
15int qla_nvme_register_remote(struct scsi_qla_host *vha, struct fc_port *fcport)
16{
17 struct qla_nvme_rport *rport;
18 struct nvme_fc_port_info req;
19 int ret;
20
21 if (!IS_ENABLED(CONFIG_NVME_FC))
22 return 0;
23
24 if (!vha->flags.nvme_enabled) {
25 ql_log(ql_log_info, vha, 0x2100,
26 "%s: Not registering target since Host NVME is not enabled\n",
27 __func__);
28 return 0;
29 }
30
31 if (!vha->nvme_local_port && qla_nvme_register_hba(vha))
32 return 0;
33
34 if (!(fcport->nvme_prli_service_param &
35 (NVME_PRLI_SP_TARGET | NVME_PRLI_SP_DISCOVERY)) ||
36 (fcport->nvme_flag & NVME_FLAG_REGISTERED))
37 return 0;
38
39 fcport->nvme_flag &= ~NVME_FLAG_RESETTING;
40
41 memset(&req, 0, sizeof(struct nvme_fc_port_info));
42 req.port_name = wwn_to_u64(fcport->port_name);
43 req.node_name = wwn_to_u64(fcport->node_name);
44 req.port_role = 0;
45 req.dev_loss_tmo = NVME_FC_DEV_LOSS_TMO;
46
47 if (fcport->nvme_prli_service_param & NVME_PRLI_SP_INITIATOR)
48 req.port_role = FC_PORT_ROLE_NVME_INITIATOR;
49
50 if (fcport->nvme_prli_service_param & NVME_PRLI_SP_TARGET)
51 req.port_role |= FC_PORT_ROLE_NVME_TARGET;
52
53 if (fcport->nvme_prli_service_param & NVME_PRLI_SP_DISCOVERY)
54 req.port_role |= FC_PORT_ROLE_NVME_DISCOVERY;
55
56 req.port_id = fcport->d_id.b24;
57
58 ql_log(ql_log_info, vha, 0x2102,
59 "%s: traddr=nn-0x%016llx:pn-0x%016llx PortID:%06x\n",
60 __func__, req.node_name, req.port_name,
61 req.port_id);
62
63 ret = nvme_fc_register_remoteport(vha->nvme_local_port, &req,
64 &fcport->nvme_remote_port);
65 if (ret) {
66 ql_log(ql_log_warn, vha, 0x212e,
67 "Failed to register remote port. Transport returned %d\n",
68 ret);
69 return ret;
70 }
71
72 rport = fcport->nvme_remote_port->private;
73 rport->fcport = fcport;
74
75 fcport->nvme_flag |= NVME_FLAG_REGISTERED;
76 return 0;
77}
78
79
80static int qla_nvme_alloc_queue(struct nvme_fc_local_port *lport,
81 unsigned int qidx, u16 qsize, void **handle)
82{
83 struct scsi_qla_host *vha;
84 struct qla_hw_data *ha;
85 struct qla_qpair *qpair;
86
87 if (!qidx)
88 qidx++;
89
90 vha = (struct scsi_qla_host *)lport->private;
91 ha = vha->hw;
92
93 ql_log(ql_log_info, vha, 0x2104,
94 "%s: handle %p, idx =%d, qsize %d\n",
95 __func__, handle, qidx, qsize);
96
97 if (qidx > qla_nvme_fc_transport.max_hw_queues) {
98 ql_log(ql_log_warn, vha, 0x212f,
99 "%s: Illegal qidx=%d. Max=%d\n",
100 __func__, qidx, qla_nvme_fc_transport.max_hw_queues);
101 return -EINVAL;
102 }
103
104 if (ha->queue_pair_map[qidx]) {
105 *handle = ha->queue_pair_map[qidx];
106 ql_log(ql_log_info, vha, 0x2121,
107 "Returning existing qpair of %p for idx=%x\n",
108 *handle, qidx);
109 return 0;
110 }
111
112 qpair = qla2xxx_create_qpair(vha, 5, vha->vp_idx, true);
113 if (qpair == NULL) {
114 ql_log(ql_log_warn, vha, 0x2122,
115 "Failed to allocate qpair\n");
116 return -EINVAL;
117 }
118 *handle = qpair;
119
120 return 0;
121}
122
123static void qla_nvme_release_fcp_cmd_kref(struct kref *kref)
124{
125 struct srb *sp = container_of(kref, struct srb, cmd_kref);
126 struct nvme_private *priv = (struct nvme_private *)sp->priv;
127 struct nvmefc_fcp_req *fd;
128 struct srb_iocb *nvme;
129 unsigned long flags;
130
131 if (!priv)
132 goto out;
133
134 nvme = &sp->u.iocb_cmd;
135 fd = nvme->u.nvme.desc;
136
137 spin_lock_irqsave(&priv->cmd_lock, flags);
138 priv->sp = NULL;
139 sp->priv = NULL;
140 if (priv->comp_status == QLA_SUCCESS) {
141 fd->rcv_rsplen = nvme->u.nvme.rsp_pyld_len;
142 } else {
143 fd->rcv_rsplen = 0;
144 fd->transferred_length = 0;
145 }
146 fd->status = 0;
147 spin_unlock_irqrestore(&priv->cmd_lock, flags);
148
149 fd->done(fd);
150out:
151 qla2xxx_rel_qpair_sp(sp->qpair, sp);
152}
153
154static void qla_nvme_release_ls_cmd_kref(struct kref *kref)
155{
156 struct srb *sp = container_of(kref, struct srb, cmd_kref);
157 struct nvme_private *priv = (struct nvme_private *)sp->priv;
158 struct nvmefc_ls_req *fd;
159 unsigned long flags;
160
161 if (!priv)
162 goto out;
163
164 spin_lock_irqsave(&priv->cmd_lock, flags);
165 priv->sp = NULL;
166 sp->priv = NULL;
167 spin_unlock_irqrestore(&priv->cmd_lock, flags);
168
169 fd = priv->fd;
170 fd->done(fd, priv->comp_status);
171out:
172 qla2x00_rel_sp(sp);
173}
174
175static void qla_nvme_ls_complete(struct work_struct *work)
176{
177 struct nvme_private *priv =
178 container_of(work, struct nvme_private, ls_work);
179
180 kref_put(&priv->sp->cmd_kref, qla_nvme_release_ls_cmd_kref);
181}
182
183static void qla_nvme_sp_ls_done(void *ptr, int res)
184{
185 srb_t *sp = ptr;
186 struct nvme_private *priv;
187
188 if (WARN_ON_ONCE(kref_read(&sp->cmd_kref) == 0))
189 return;
190
191 if (res)
192 res = -EINVAL;
193
194 priv = (struct nvme_private *)sp->priv;
195 priv->comp_status = res;
196 INIT_WORK(&priv->ls_work, qla_nvme_ls_complete);
197 schedule_work(&priv->ls_work);
198}
199
200
201static void qla_nvme_sp_done(void *ptr, int res)
202{
203 srb_t *sp = ptr;
204 struct nvme_private *priv = (struct nvme_private *)sp->priv;
205
206 priv->comp_status = res;
207 kref_put(&sp->cmd_kref, qla_nvme_release_fcp_cmd_kref);
208
209 return;
210}
211
212static void qla_nvme_abort_work(struct work_struct *work)
213{
214 struct nvme_private *priv =
215 container_of(work, struct nvme_private, abort_work);
216 srb_t *sp = priv->sp;
217 fc_port_t *fcport = sp->fcport;
218 struct qla_hw_data *ha = fcport->vha->hw;
219 int rval;
220
221 ql_dbg(ql_dbg_io, fcport->vha, 0xffff,
222 "%s called for sp=%p, hndl=%x on fcport=%p deleted=%d\n",
223 __func__, sp, sp->handle, fcport, fcport->deleted);
224
225 if (!ha->flags.fw_started && (fcport && fcport->deleted))
226 goto out;
227
228 if (ha->flags.host_shutting_down) {
229 ql_log(ql_log_info, sp->fcport->vha, 0xffff,
230 "%s Calling done on sp: %p, type: 0x%x, sp->ref_count: 0x%x\n",
231 __func__, sp, sp->type, atomic_read(&sp->ref_count));
232 sp->done(sp, 0);
233 goto out;
234 }
235
236 rval = ha->isp_ops->abort_command(sp);
237
238 ql_dbg(ql_dbg_io, fcport->vha, 0x212b,
239 "%s: %s command for sp=%p, handle=%x on fcport=%p rval=%x\n",
240 __func__, (rval != QLA_SUCCESS) ? "Failed to abort" : "Aborted",
241 sp, sp->handle, fcport, rval);
242
243out:
244
245 kref_put(&sp->cmd_kref, sp->put_fn);
246}
247
248static void qla_nvme_ls_abort(struct nvme_fc_local_port *lport,
249 struct nvme_fc_remote_port *rport, struct nvmefc_ls_req *fd)
250{
251 struct nvme_private *priv = fd->private;
252 unsigned long flags;
253
254 spin_lock_irqsave(&priv->cmd_lock, flags);
255 if (!priv->sp) {
256 spin_unlock_irqrestore(&priv->cmd_lock, flags);
257 return;
258 }
259
260 if (!kref_get_unless_zero(&priv->sp->cmd_kref)) {
261 spin_unlock_irqrestore(&priv->cmd_lock, flags);
262 return;
263 }
264 spin_unlock_irqrestore(&priv->cmd_lock, flags);
265
266 INIT_WORK(&priv->abort_work, qla_nvme_abort_work);
267 schedule_work(&priv->abort_work);
268}
269
270
271static int qla_nvme_ls_req(struct nvme_fc_local_port *lport,
272 struct nvme_fc_remote_port *rport, struct nvmefc_ls_req *fd)
273{
274 struct qla_nvme_rport *qla_rport = rport->private;
275 fc_port_t *fcport = qla_rport->fcport;
276 struct srb_iocb *nvme;
277 struct nvme_private *priv = fd->private;
278 struct scsi_qla_host *vha;
279 int rval = QLA_FUNCTION_FAILED;
280 struct qla_hw_data *ha;
281 srb_t *sp;
282
283
284 if (!fcport || (fcport && fcport->deleted))
285 return rval;
286
287 vha = fcport->vha;
288 ha = vha->hw;
289
290 if (!ha->flags.fw_started)
291 return rval;
292
293
294 sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
295 if (!sp)
296 return rval;
297
298 sp->type = SRB_NVME_LS;
299 sp->name = "nvme_ls";
300 sp->done = qla_nvme_sp_ls_done;
301 sp->put_fn = qla_nvme_release_ls_cmd_kref;
302 sp->priv = (void *)priv;
303 priv->sp = sp;
304 kref_init(&sp->cmd_kref);
305 spin_lock_init(&priv->cmd_lock);
306 nvme = &sp->u.iocb_cmd;
307 priv->fd = fd;
308 nvme->u.nvme.desc = fd;
309 nvme->u.nvme.dir = 0;
310 nvme->u.nvme.dl = 0;
311 nvme->u.nvme.cmd_len = fd->rqstlen;
312 nvme->u.nvme.rsp_len = fd->rsplen;
313 nvme->u.nvme.rsp_dma = fd->rspdma;
314 nvme->u.nvme.timeout_sec = fd->timeout;
315 nvme->u.nvme.cmd_dma = dma_map_single(&ha->pdev->dev, fd->rqstaddr,
316 fd->rqstlen, DMA_TO_DEVICE);
317 dma_sync_single_for_device(&ha->pdev->dev, nvme->u.nvme.cmd_dma,
318 fd->rqstlen, DMA_TO_DEVICE);
319
320 rval = qla2x00_start_sp(sp);
321 if (rval != QLA_SUCCESS) {
322 ql_log(ql_log_warn, vha, 0x700e,
323 "qla2x00_start_sp failed = %d\n", rval);
324 wake_up(&sp->nvme_ls_waitq);
325 sp->priv = NULL;
326 priv->sp = NULL;
327 qla2x00_rel_sp(sp);
328 return rval;
329 }
330
331 return rval;
332}
333
334static void qla_nvme_fcp_abort(struct nvme_fc_local_port *lport,
335 struct nvme_fc_remote_port *rport, void *hw_queue_handle,
336 struct nvmefc_fcp_req *fd)
337{
338 struct nvme_private *priv = fd->private;
339 unsigned long flags;
340
341 spin_lock_irqsave(&priv->cmd_lock, flags);
342 if (!priv->sp) {
343 spin_unlock_irqrestore(&priv->cmd_lock, flags);
344 return;
345 }
346 if (!kref_get_unless_zero(&priv->sp->cmd_kref)) {
347 spin_unlock_irqrestore(&priv->cmd_lock, flags);
348 return;
349 }
350 spin_unlock_irqrestore(&priv->cmd_lock, flags);
351
352 INIT_WORK(&priv->abort_work, qla_nvme_abort_work);
353 schedule_work(&priv->abort_work);
354}
355
356static inline int qla2x00_start_nvme_mq(srb_t *sp)
357{
358 unsigned long flags;
359 uint32_t *clr_ptr;
360 uint32_t index;
361 uint32_t handle;
362 struct cmd_nvme *cmd_pkt;
363 uint16_t cnt, i;
364 uint16_t req_cnt;
365 uint16_t tot_dsds;
366 uint16_t avail_dsds;
367 struct dsd64 *cur_dsd;
368 struct req_que *req = NULL;
369 struct scsi_qla_host *vha = sp->fcport->vha;
370 struct qla_hw_data *ha = vha->hw;
371 struct qla_qpair *qpair = sp->qpair;
372 struct srb_iocb *nvme = &sp->u.iocb_cmd;
373 struct scatterlist *sgl, *sg;
374 struct nvmefc_fcp_req *fd = nvme->u.nvme.desc;
375 uint32_t rval = QLA_SUCCESS;
376
377
378 req = qpair->req;
379 tot_dsds = fd->sg_cnt;
380
381
382 spin_lock_irqsave(&qpair->qp_lock, flags);
383
384
385 handle = req->current_outstanding_cmd;
386 for (index = 1; index < req->num_outstanding_cmds; index++) {
387 handle++;
388 if (handle == req->num_outstanding_cmds)
389 handle = 1;
390 if (!req->outstanding_cmds[handle])
391 break;
392 }
393
394 if (index == req->num_outstanding_cmds) {
395 rval = -EBUSY;
396 goto queuing_error;
397 }
398 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
399 if (req->cnt < (req_cnt + 2)) {
400 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
401 RD_REG_DWORD_RELAXED(req->req_q_out);
402
403 if (req->ring_index < cnt)
404 req->cnt = cnt - req->ring_index;
405 else
406 req->cnt = req->length - (req->ring_index - cnt);
407
408 if (req->cnt < (req_cnt + 2)){
409 rval = -EBUSY;
410 goto queuing_error;
411 }
412 }
413
414 if (unlikely(!fd->sqid)) {
415 struct nvme_fc_cmd_iu *cmd = fd->cmdaddr;
416
417 if (cmd->sqe.common.opcode == nvme_admin_async_event) {
418 nvme->u.nvme.aen_op = 1;
419 atomic_inc(&ha->nvme_active_aen_cnt);
420 }
421 }
422
423
424 req->current_outstanding_cmd = handle;
425 req->outstanding_cmds[handle] = sp;
426 sp->handle = handle;
427 req->cnt -= req_cnt;
428
429 cmd_pkt = (struct cmd_nvme *)req->ring_ptr;
430 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
431
432
433 clr_ptr = (uint32_t *)cmd_pkt + 2;
434 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
435
436 cmd_pkt->entry_status = 0;
437
438
439 cmd_pkt->entry_type = COMMAND_NVME;
440
441
442 if (fd->io_dir == NVMEFC_FCP_READ) {
443 cmd_pkt->control_flags = CF_READ_DATA;
444 vha->qla_stats.input_bytes += fd->payload_length;
445 vha->qla_stats.input_requests++;
446 } else if (fd->io_dir == NVMEFC_FCP_WRITE) {
447 cmd_pkt->control_flags = CF_WRITE_DATA;
448 if ((vha->flags.nvme_first_burst) &&
449 (sp->fcport->nvme_prli_service_param &
450 NVME_PRLI_SP_FIRST_BURST)) {
451 if ((fd->payload_length <=
452 sp->fcport->nvme_first_burst_size) ||
453 (sp->fcport->nvme_first_burst_size == 0))
454 cmd_pkt->control_flags |=
455 CF_NVME_FIRST_BURST_ENABLE;
456 }
457 vha->qla_stats.output_bytes += fd->payload_length;
458 vha->qla_stats.output_requests++;
459 } else if (fd->io_dir == 0) {
460 cmd_pkt->control_flags = 0;
461 }
462
463
464 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
465 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
466 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
467 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
468 cmd_pkt->vp_index = sp->fcport->vha->vp_idx;
469
470
471 cmd_pkt->nvme_rsp_dsd_len = cpu_to_le16(fd->rsplen);
472 put_unaligned_le64(fd->rspdma, &cmd_pkt->nvme_rsp_dseg_address);
473
474
475 cmd_pkt->nvme_cmnd_dseg_len = cpu_to_le16(fd->cmdlen);
476 cmd_pkt->nvme_cmnd_dseg_address = cpu_to_le64(fd->cmddma);
477
478 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
479 cmd_pkt->byte_count = cpu_to_le32(fd->payload_length);
480
481
482 avail_dsds = 1;
483 cur_dsd = &cmd_pkt->nvme_dsd;
484 sgl = fd->first_sgl;
485
486
487 for_each_sg(sgl, sg, tot_dsds, i) {
488 cont_a64_entry_t *cont_pkt;
489
490
491 if (avail_dsds == 0) {
492
493
494
495
496
497
498 req->ring_index++;
499 if (req->ring_index == req->length) {
500 req->ring_index = 0;
501 req->ring_ptr = req->ring;
502 } else {
503 req->ring_ptr++;
504 }
505 cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
506 put_unaligned_le32(CONTINUE_A64_TYPE,
507 &cont_pkt->entry_type);
508
509 cur_dsd = cont_pkt->dsd;
510 avail_dsds = ARRAY_SIZE(cont_pkt->dsd);
511 }
512
513 append_dsd64(&cur_dsd, sg);
514 avail_dsds--;
515 }
516
517
518 cmd_pkt->entry_count = (uint8_t)req_cnt;
519 wmb();
520
521
522 req->ring_index++;
523 if (req->ring_index == req->length) {
524 req->ring_index = 0;
525 req->ring_ptr = req->ring;
526 } else {
527 req->ring_ptr++;
528 }
529
530
531 WRT_REG_DWORD(req->req_q_in, req->ring_index);
532
533queuing_error:
534 spin_unlock_irqrestore(&qpair->qp_lock, flags);
535 return rval;
536}
537
538
539static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport,
540 struct nvme_fc_remote_port *rport, void *hw_queue_handle,
541 struct nvmefc_fcp_req *fd)
542{
543 fc_port_t *fcport;
544 struct srb_iocb *nvme;
545 struct scsi_qla_host *vha;
546 int rval = -ENODEV;
547 srb_t *sp;
548 struct qla_qpair *qpair = hw_queue_handle;
549 struct nvme_private *priv = fd->private;
550 struct qla_nvme_rport *qla_rport = rport->private;
551
552 fcport = qla_rport->fcport;
553
554 if (!qpair || !fcport || (qpair && !qpair->fw_started) ||
555 (fcport && fcport->deleted))
556 return rval;
557
558 vha = fcport->vha;
559
560
561
562
563
564
565
566 if (fcport->nvme_flag & NVME_FLAG_RESETTING)
567 return -EBUSY;
568
569
570 sp = qla2xxx_get_qpair_sp(vha, qpair, fcport, GFP_ATOMIC);
571 if (!sp)
572 return -EBUSY;
573
574 init_waitqueue_head(&sp->nvme_ls_waitq);
575 kref_init(&sp->cmd_kref);
576 spin_lock_init(&priv->cmd_lock);
577 sp->priv = (void *)priv;
578 priv->sp = sp;
579 sp->type = SRB_NVME_CMD;
580 sp->name = "nvme_cmd";
581 sp->done = qla_nvme_sp_done;
582 sp->put_fn = qla_nvme_release_fcp_cmd_kref;
583 sp->qpair = qpair;
584 sp->vha = vha;
585 nvme = &sp->u.iocb_cmd;
586 nvme->u.nvme.desc = fd;
587
588 rval = qla2x00_start_nvme_mq(sp);
589 if (rval != QLA_SUCCESS) {
590 ql_log(ql_log_warn, vha, 0x212d,
591 "qla2x00_start_nvme_mq failed = %d\n", rval);
592 wake_up(&sp->nvme_ls_waitq);
593 sp->priv = NULL;
594 priv->sp = NULL;
595 qla2xxx_rel_qpair_sp(sp->qpair, sp);
596 }
597
598 return rval;
599}
600
601static void qla_nvme_localport_delete(struct nvme_fc_local_port *lport)
602{
603 struct scsi_qla_host *vha = lport->private;
604
605 ql_log(ql_log_info, vha, 0x210f,
606 "localport delete of %p completed.\n", vha->nvme_local_port);
607 vha->nvme_local_port = NULL;
608 complete(&vha->nvme_del_done);
609}
610
611static void qla_nvme_remoteport_delete(struct nvme_fc_remote_port *rport)
612{
613 fc_port_t *fcport;
614 struct qla_nvme_rport *qla_rport = rport->private;
615
616 fcport = qla_rport->fcport;
617 fcport->nvme_remote_port = NULL;
618 fcport->nvme_flag &= ~NVME_FLAG_REGISTERED;
619 fcport->nvme_flag &= ~NVME_FLAG_DELETING;
620 ql_log(ql_log_info, fcport->vha, 0x2110,
621 "remoteport_delete of %p %8phN completed.\n",
622 fcport, fcport->port_name);
623 complete(&fcport->nvme_del_done);
624}
625
626static struct nvme_fc_port_template qla_nvme_fc_transport = {
627 .localport_delete = qla_nvme_localport_delete,
628 .remoteport_delete = qla_nvme_remoteport_delete,
629 .create_queue = qla_nvme_alloc_queue,
630 .delete_queue = NULL,
631 .ls_req = qla_nvme_ls_req,
632 .ls_abort = qla_nvme_ls_abort,
633 .fcp_io = qla_nvme_post_cmd,
634 .fcp_abort = qla_nvme_fcp_abort,
635 .max_hw_queues = 8,
636 .max_sgl_segments = 1024,
637 .max_dif_sgl_segments = 64,
638 .dma_boundary = 0xFFFFFFFF,
639 .local_priv_sz = 8,
640 .remote_priv_sz = sizeof(struct qla_nvme_rport),
641 .lsrqst_priv_sz = sizeof(struct nvme_private),
642 .fcprqst_priv_sz = sizeof(struct nvme_private),
643};
644
645void qla_nvme_unregister_remote_port(struct fc_port *fcport)
646{
647 int ret;
648
649 if (!IS_ENABLED(CONFIG_NVME_FC))
650 return;
651
652 ql_log(ql_log_warn, NULL, 0x2112,
653 "%s: unregister remoteport on %p %8phN\n",
654 __func__, fcport, fcport->port_name);
655
656 nvme_fc_set_remoteport_devloss(fcport->nvme_remote_port, 0);
657 init_completion(&fcport->nvme_del_done);
658 ret = nvme_fc_unregister_remoteport(fcport->nvme_remote_port);
659 if (ret)
660 ql_log(ql_log_info, fcport->vha, 0x2114,
661 "%s: Failed to unregister nvme_remote_port (%d)\n",
662 __func__, ret);
663 wait_for_completion(&fcport->nvme_del_done);
664}
665
666void qla_nvme_delete(struct scsi_qla_host *vha)
667{
668 int nv_ret;
669
670 if (!IS_ENABLED(CONFIG_NVME_FC))
671 return;
672
673 if (vha->nvme_local_port) {
674 init_completion(&vha->nvme_del_done);
675 ql_log(ql_log_info, vha, 0x2116,
676 "unregister localport=%p\n",
677 vha->nvme_local_port);
678 nv_ret = nvme_fc_unregister_localport(vha->nvme_local_port);
679 if (nv_ret)
680 ql_log(ql_log_info, vha, 0x2115,
681 "Unregister of localport failed\n");
682 else
683 wait_for_completion(&vha->nvme_del_done);
684 }
685}
686
687int qla_nvme_register_hba(struct scsi_qla_host *vha)
688{
689 struct nvme_fc_port_template *tmpl;
690 struct qla_hw_data *ha;
691 struct nvme_fc_port_info pinfo;
692 int ret = EINVAL;
693
694 if (!IS_ENABLED(CONFIG_NVME_FC))
695 return ret;
696
697 ha = vha->hw;
698 tmpl = &qla_nvme_fc_transport;
699
700 WARN_ON(vha->nvme_local_port);
701 WARN_ON(ha->max_req_queues < 3);
702
703 qla_nvme_fc_transport.max_hw_queues =
704 min((uint8_t)(qla_nvme_fc_transport.max_hw_queues),
705 (uint8_t)(ha->max_req_queues - 2));
706
707 pinfo.node_name = wwn_to_u64(vha->node_name);
708 pinfo.port_name = wwn_to_u64(vha->port_name);
709 pinfo.port_role = FC_PORT_ROLE_NVME_INITIATOR;
710 pinfo.port_id = vha->d_id.b24;
711
712 ql_log(ql_log_info, vha, 0xffff,
713 "register_localport: host-traddr=nn-0x%llx:pn-0x%llx on portID:%x\n",
714 pinfo.node_name, pinfo.port_name, pinfo.port_id);
715 qla_nvme_fc_transport.dma_boundary = vha->host->dma_boundary;
716
717 ret = nvme_fc_register_localport(&pinfo, tmpl,
718 get_device(&ha->pdev->dev), &vha->nvme_local_port);
719 if (ret) {
720 ql_log(ql_log_warn, vha, 0xffff,
721 "register_localport failed: ret=%x\n", ret);
722 } else {
723 vha->nvme_local_port->private = vha;
724 }
725
726 return ret;
727}
728
