Lines Matching +full:ctrl +full:- +full:module
1 // SPDX-License-Identifier: GPL-2.0
4 * Copyright (c) 2015-2016 HGST, a Western Digital Company.
8 #include <linux/blk-mq.h>
10 #include <linux/module.h>
37 struct nvme_ctrl ctrl; member
42 static inline struct nvme_loop_ctrl *to_loop_ctrl(struct nvme_ctrl *ctrl) in to_loop_ctrl() argument
44 return container_of(ctrl, struct nvme_loop_ctrl, ctrl); in to_loop_ctrl()
54 struct nvme_loop_ctrl *ctrl; member
65 static void nvme_loop_delete_ctrl(struct nvmet_ctrl *ctrl);
71 return queue - queue->ctrl->queues; in nvme_loop_queue_idx()
78 sg_free_table_chained(&iod->sg_table, NVME_INLINE_SG_CNT); in nvme_loop_complete_rq()
87 return queue->ctrl->admin_tag_set.tags[queue_idx]; in nvme_loop_tagset()
88 return queue->ctrl->tag_set.tags[queue_idx - 1]; in nvme_loop_tagset()
94 container_of(req->sq, struct nvme_loop_queue, nvme_sq); in nvme_loop_queue_response()
95 struct nvme_completion *cqe = req->cqe; in nvme_loop_queue_response()
104 cqe->command_id))) { in nvme_loop_queue_response()
105 nvme_complete_async_event(&queue->ctrl->ctrl, cqe->status, in nvme_loop_queue_response()
106 &cqe->result); in nvme_loop_queue_response()
110 rq = nvme_find_rq(nvme_loop_tagset(queue), cqe->command_id); in nvme_loop_queue_response()
112 dev_err(queue->ctrl->ctrl.device, in nvme_loop_queue_response()
114 cqe->command_id, nvme_loop_queue_idx(queue)); in nvme_loop_queue_response()
118 if (!nvme_try_complete_req(rq, cqe->status, cqe->result)) in nvme_loop_queue_response()
128 iod->req.execute(&iod->req); in nvme_loop_execute_work()
134 struct nvme_ns *ns = hctx->queue->queuedata; in nvme_loop_queue_rq()
135 struct nvme_loop_queue *queue = hctx->driver_data; in nvme_loop_queue_rq()
136 struct request *req = bd->rq; in nvme_loop_queue_rq()
138 bool queue_ready = test_bit(NVME_LOOP_Q_LIVE, &queue->flags); in nvme_loop_queue_rq()
141 if (!nvme_check_ready(&queue->ctrl->ctrl, req, queue_ready)) in nvme_loop_queue_rq()
142 return nvme_fail_nonready_command(&queue->ctrl->ctrl, req); in nvme_loop_queue_rq()
149 iod->cmd.common.flags |= NVME_CMD_SGL_METABUF; in nvme_loop_queue_rq()
150 iod->req.port = queue->ctrl->port; in nvme_loop_queue_rq()
151 if (!nvmet_req_init(&iod->req, &queue->nvme_cq, in nvme_loop_queue_rq()
152 &queue->nvme_sq, &nvme_loop_ops)) in nvme_loop_queue_rq()
156 iod->sg_table.sgl = iod->first_sgl; in nvme_loop_queue_rq()
157 if (sg_alloc_table_chained(&iod->sg_table, in nvme_loop_queue_rq()
159 iod->sg_table.sgl, NVME_INLINE_SG_CNT)) { in nvme_loop_queue_rq()
164 iod->req.sg = iod->sg_table.sgl; in nvme_loop_queue_rq()
165 iod->req.sg_cnt = blk_rq_map_sg(req->q, req, iod->sg_table.sgl); in nvme_loop_queue_rq()
166 iod->req.transfer_len = blk_rq_payload_bytes(req); in nvme_loop_queue_rq()
169 schedule_work(&iod->work); in nvme_loop_queue_rq()
175 struct nvme_loop_ctrl *ctrl = to_loop_ctrl(arg); in nvme_loop_submit_async_event() local
176 struct nvme_loop_queue *queue = &ctrl->queues[0]; in nvme_loop_submit_async_event()
177 struct nvme_loop_iod *iod = &ctrl->async_event_iod; in nvme_loop_submit_async_event()
179 memset(&iod->cmd, 0, sizeof(iod->cmd)); in nvme_loop_submit_async_event()
180 iod->cmd.common.opcode = nvme_admin_async_event; in nvme_loop_submit_async_event()
181 iod->cmd.common.command_id = NVME_AQ_BLK_MQ_DEPTH; in nvme_loop_submit_async_event()
182 iod->cmd.common.flags |= NVME_CMD_SGL_METABUF; in nvme_loop_submit_async_event()
184 if (!nvmet_req_init(&iod->req, &queue->nvme_cq, &queue->nvme_sq, in nvme_loop_submit_async_event()
186 dev_err(ctrl->ctrl.device, "failed async event work\n"); in nvme_loop_submit_async_event()
190 schedule_work(&iod->work); in nvme_loop_submit_async_event()
193 static int nvme_loop_init_iod(struct nvme_loop_ctrl *ctrl, in nvme_loop_init_iod() argument
196 iod->req.cmd = &iod->cmd; in nvme_loop_init_iod()
197 iod->req.cqe = &iod->cqe; in nvme_loop_init_iod()
198 iod->queue = &ctrl->queues[queue_idx]; in nvme_loop_init_iod()
199 INIT_WORK(&iod->work, nvme_loop_execute_work); in nvme_loop_init_iod()
207 struct nvme_loop_ctrl *ctrl = set->driver_data; in nvme_loop_init_request() local
210 nvme_req(req)->ctrl = &ctrl->ctrl; in nvme_loop_init_request()
211 nvme_req(req)->cmd = &iod->cmd; in nvme_loop_init_request()
212 return nvme_loop_init_iod(ctrl, blk_mq_rq_to_pdu(req), in nvme_loop_init_request()
213 (set == &ctrl->tag_set) ? hctx_idx + 1 : 0); in nvme_loop_init_request()
221 struct nvme_loop_ctrl *ctrl = data; in nvme_loop_init_hctx() local
222 struct nvme_loop_queue *queue = &ctrl->queues[hctx_idx + 1]; in nvme_loop_init_hctx()
224 BUG_ON(hctx_idx >= ctrl->ctrl.queue_count); in nvme_loop_init_hctx()
234 hctx->driver_data = queue; in nvme_loop_init_hctx()
241 struct nvme_loop_ctrl *ctrl = data; in nvme_loop_init_admin_hctx() local
242 struct nvme_loop_queue *queue = &ctrl->queues[0]; in nvme_loop_init_admin_hctx()
246 hctx->driver_data = queue; in nvme_loop_init_admin_hctx()
264 static void nvme_loop_destroy_admin_queue(struct nvme_loop_ctrl *ctrl) in nvme_loop_destroy_admin_queue() argument
266 if (!test_and_clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags)) in nvme_loop_destroy_admin_queue()
268 nvmet_sq_destroy(&ctrl->queues[0].nvme_sq); in nvme_loop_destroy_admin_queue()
269 blk_cleanup_queue(ctrl->ctrl.admin_q); in nvme_loop_destroy_admin_queue()
270 blk_cleanup_queue(ctrl->ctrl.fabrics_q); in nvme_loop_destroy_admin_queue()
271 blk_mq_free_tag_set(&ctrl->admin_tag_set); in nvme_loop_destroy_admin_queue()
276 struct nvme_loop_ctrl *ctrl = to_loop_ctrl(nctrl); in nvme_loop_free_ctrl() local
278 if (list_empty(&ctrl->list)) in nvme_loop_free_ctrl()
282 list_del(&ctrl->list); in nvme_loop_free_ctrl()
285 if (nctrl->tagset) { in nvme_loop_free_ctrl()
286 blk_cleanup_queue(ctrl->ctrl.connect_q); in nvme_loop_free_ctrl()
287 blk_mq_free_tag_set(&ctrl->tag_set); in nvme_loop_free_ctrl()
289 kfree(ctrl->queues); in nvme_loop_free_ctrl()
290 nvmf_free_options(nctrl->opts); in nvme_loop_free_ctrl()
292 kfree(ctrl); in nvme_loop_free_ctrl()
295 static void nvme_loop_destroy_io_queues(struct nvme_loop_ctrl *ctrl) in nvme_loop_destroy_io_queues() argument
299 for (i = 1; i < ctrl->ctrl.queue_count; i++) { in nvme_loop_destroy_io_queues()
300 clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[i].flags); in nvme_loop_destroy_io_queues()
301 nvmet_sq_destroy(&ctrl->queues[i].nvme_sq); in nvme_loop_destroy_io_queues()
303 ctrl->ctrl.queue_count = 1; in nvme_loop_destroy_io_queues()
306 static int nvme_loop_init_io_queues(struct nvme_loop_ctrl *ctrl) in nvme_loop_init_io_queues() argument
308 struct nvmf_ctrl_options *opts = ctrl->ctrl.opts; in nvme_loop_init_io_queues()
312 nr_io_queues = min(opts->nr_io_queues, num_online_cpus()); in nvme_loop_init_io_queues()
313 ret = nvme_set_queue_count(&ctrl->ctrl, &nr_io_queues); in nvme_loop_init_io_queues()
317 dev_info(ctrl->ctrl.device, "creating %d I/O queues.\n", nr_io_queues); in nvme_loop_init_io_queues()
320 ctrl->queues[i].ctrl = ctrl; in nvme_loop_init_io_queues()
321 ret = nvmet_sq_init(&ctrl->queues[i].nvme_sq); in nvme_loop_init_io_queues()
325 ctrl->ctrl.queue_count++; in nvme_loop_init_io_queues()
331 nvme_loop_destroy_io_queues(ctrl); in nvme_loop_init_io_queues()
335 static int nvme_loop_connect_io_queues(struct nvme_loop_ctrl *ctrl) in nvme_loop_connect_io_queues() argument
339 for (i = 1; i < ctrl->ctrl.queue_count; i++) { in nvme_loop_connect_io_queues()
340 ret = nvmf_connect_io_queue(&ctrl->ctrl, i); in nvme_loop_connect_io_queues()
343 set_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[i].flags); in nvme_loop_connect_io_queues()
349 static int nvme_loop_configure_admin_queue(struct nvme_loop_ctrl *ctrl) in nvme_loop_configure_admin_queue() argument
353 memset(&ctrl->admin_tag_set, 0, sizeof(ctrl->admin_tag_set)); in nvme_loop_configure_admin_queue()
354 ctrl->admin_tag_set.ops = &nvme_loop_admin_mq_ops; in nvme_loop_configure_admin_queue()
355 ctrl->admin_tag_set.queue_depth = NVME_AQ_MQ_TAG_DEPTH; in nvme_loop_configure_admin_queue()
356 ctrl->admin_tag_set.reserved_tags = NVMF_RESERVED_TAGS; in nvme_loop_configure_admin_queue()
357 ctrl->admin_tag_set.numa_node = ctrl->ctrl.numa_node; in nvme_loop_configure_admin_queue()
358 ctrl->admin_tag_set.cmd_size = sizeof(struct nvme_loop_iod) + in nvme_loop_configure_admin_queue()
360 ctrl->admin_tag_set.driver_data = ctrl; in nvme_loop_configure_admin_queue()
361 ctrl->admin_tag_set.nr_hw_queues = 1; in nvme_loop_configure_admin_queue()
362 ctrl->admin_tag_set.timeout = NVME_ADMIN_TIMEOUT; in nvme_loop_configure_admin_queue()
363 ctrl->admin_tag_set.flags = BLK_MQ_F_NO_SCHED; in nvme_loop_configure_admin_queue()
365 ctrl->queues[0].ctrl = ctrl; in nvme_loop_configure_admin_queue()
366 error = nvmet_sq_init(&ctrl->queues[0].nvme_sq); in nvme_loop_configure_admin_queue()
369 ctrl->ctrl.queue_count = 1; in nvme_loop_configure_admin_queue()
371 error = blk_mq_alloc_tag_set(&ctrl->admin_tag_set); in nvme_loop_configure_admin_queue()
374 ctrl->ctrl.admin_tagset = &ctrl->admin_tag_set; in nvme_loop_configure_admin_queue()
376 ctrl->ctrl.fabrics_q = blk_mq_init_queue(&ctrl->admin_tag_set); in nvme_loop_configure_admin_queue()
377 if (IS_ERR(ctrl->ctrl.fabrics_q)) { in nvme_loop_configure_admin_queue()
378 error = PTR_ERR(ctrl->ctrl.fabrics_q); in nvme_loop_configure_admin_queue()
382 ctrl->ctrl.admin_q = blk_mq_init_queue(&ctrl->admin_tag_set); in nvme_loop_configure_admin_queue()
383 if (IS_ERR(ctrl->ctrl.admin_q)) { in nvme_loop_configure_admin_queue()
384 error = PTR_ERR(ctrl->ctrl.admin_q); in nvme_loop_configure_admin_queue()
388 error = nvmf_connect_admin_queue(&ctrl->ctrl); in nvme_loop_configure_admin_queue()
392 set_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags); in nvme_loop_configure_admin_queue()
394 error = nvme_enable_ctrl(&ctrl->ctrl); in nvme_loop_configure_admin_queue()
398 ctrl->ctrl.max_hw_sectors = in nvme_loop_configure_admin_queue()
399 (NVME_LOOP_MAX_SEGMENTS - 1) << (PAGE_SHIFT - 9); in nvme_loop_configure_admin_queue()
401 blk_mq_unquiesce_queue(ctrl->ctrl.admin_q); in nvme_loop_configure_admin_queue()
403 error = nvme_init_ctrl_finish(&ctrl->ctrl); in nvme_loop_configure_admin_queue()
410 clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags); in nvme_loop_configure_admin_queue()
411 blk_cleanup_queue(ctrl->ctrl.admin_q); in nvme_loop_configure_admin_queue()
413 blk_cleanup_queue(ctrl->ctrl.fabrics_q); in nvme_loop_configure_admin_queue()
415 blk_mq_free_tag_set(&ctrl->admin_tag_set); in nvme_loop_configure_admin_queue()
417 nvmet_sq_destroy(&ctrl->queues[0].nvme_sq); in nvme_loop_configure_admin_queue()
421 static void nvme_loop_shutdown_ctrl(struct nvme_loop_ctrl *ctrl) in nvme_loop_shutdown_ctrl() argument
423 if (ctrl->ctrl.queue_count > 1) { in nvme_loop_shutdown_ctrl()
424 nvme_stop_queues(&ctrl->ctrl); in nvme_loop_shutdown_ctrl()
425 blk_mq_tagset_busy_iter(&ctrl->tag_set, in nvme_loop_shutdown_ctrl()
426 nvme_cancel_request, &ctrl->ctrl); in nvme_loop_shutdown_ctrl()
427 blk_mq_tagset_wait_completed_request(&ctrl->tag_set); in nvme_loop_shutdown_ctrl()
428 nvme_loop_destroy_io_queues(ctrl); in nvme_loop_shutdown_ctrl()
431 blk_mq_quiesce_queue(ctrl->ctrl.admin_q); in nvme_loop_shutdown_ctrl()
432 if (ctrl->ctrl.state == NVME_CTRL_LIVE) in nvme_loop_shutdown_ctrl()
433 nvme_shutdown_ctrl(&ctrl->ctrl); in nvme_loop_shutdown_ctrl()
435 blk_mq_tagset_busy_iter(&ctrl->admin_tag_set, in nvme_loop_shutdown_ctrl()
436 nvme_cancel_request, &ctrl->ctrl); in nvme_loop_shutdown_ctrl()
437 blk_mq_tagset_wait_completed_request(&ctrl->admin_tag_set); in nvme_loop_shutdown_ctrl()
438 nvme_loop_destroy_admin_queue(ctrl); in nvme_loop_shutdown_ctrl()
441 static void nvme_loop_delete_ctrl_host(struct nvme_ctrl *ctrl) in nvme_loop_delete_ctrl_host() argument
443 nvme_loop_shutdown_ctrl(to_loop_ctrl(ctrl)); in nvme_loop_delete_ctrl_host()
448 struct nvme_loop_ctrl *ctrl; in nvme_loop_delete_ctrl() local
451 list_for_each_entry(ctrl, &nvme_loop_ctrl_list, list) { in nvme_loop_delete_ctrl()
452 if (ctrl->ctrl.cntlid == nctrl->cntlid) in nvme_loop_delete_ctrl()
453 nvme_delete_ctrl(&ctrl->ctrl); in nvme_loop_delete_ctrl()
460 struct nvme_loop_ctrl *ctrl = in nvme_loop_reset_ctrl_work() local
461 container_of(work, struct nvme_loop_ctrl, ctrl.reset_work); in nvme_loop_reset_ctrl_work()
464 nvme_stop_ctrl(&ctrl->ctrl); in nvme_loop_reset_ctrl_work()
465 nvme_loop_shutdown_ctrl(ctrl); in nvme_loop_reset_ctrl_work()
467 if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) { in nvme_loop_reset_ctrl_work()
468 if (ctrl->ctrl.state != NVME_CTRL_DELETING && in nvme_loop_reset_ctrl_work()
469 ctrl->ctrl.state != NVME_CTRL_DELETING_NOIO) in nvme_loop_reset_ctrl_work()
470 /* state change failure for non-deleted ctrl? */ in nvme_loop_reset_ctrl_work()
475 ret = nvme_loop_configure_admin_queue(ctrl); in nvme_loop_reset_ctrl_work()
479 ret = nvme_loop_init_io_queues(ctrl); in nvme_loop_reset_ctrl_work()
483 ret = nvme_loop_connect_io_queues(ctrl); in nvme_loop_reset_ctrl_work()
487 blk_mq_update_nr_hw_queues(&ctrl->tag_set, in nvme_loop_reset_ctrl_work()
488 ctrl->ctrl.queue_count - 1); in nvme_loop_reset_ctrl_work()
490 if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE)) in nvme_loop_reset_ctrl_work()
493 nvme_start_ctrl(&ctrl->ctrl); in nvme_loop_reset_ctrl_work()
498 nvme_loop_destroy_io_queues(ctrl); in nvme_loop_reset_ctrl_work()
500 nvme_loop_destroy_admin_queue(ctrl); in nvme_loop_reset_ctrl_work()
502 dev_warn(ctrl->ctrl.device, "Removing after reset failure\n"); in nvme_loop_reset_ctrl_work()
503 nvme_uninit_ctrl(&ctrl->ctrl); in nvme_loop_reset_ctrl_work()
508 .module = THIS_MODULE,
519 static int nvme_loop_create_io_queues(struct nvme_loop_ctrl *ctrl) in nvme_loop_create_io_queues() argument
523 ret = nvme_loop_init_io_queues(ctrl); in nvme_loop_create_io_queues()
527 memset(&ctrl->tag_set, 0, sizeof(ctrl->tag_set)); in nvme_loop_create_io_queues()
528 ctrl->tag_set.ops = &nvme_loop_mq_ops; in nvme_loop_create_io_queues()
529 ctrl->tag_set.queue_depth = ctrl->ctrl.opts->queue_size; in nvme_loop_create_io_queues()
530 ctrl->tag_set.reserved_tags = NVMF_RESERVED_TAGS; in nvme_loop_create_io_queues()
531 ctrl->tag_set.numa_node = ctrl->ctrl.numa_node; in nvme_loop_create_io_queues()
532 ctrl->tag_set.flags = BLK_MQ_F_SHOULD_MERGE; in nvme_loop_create_io_queues()
533 ctrl->tag_set.cmd_size = sizeof(struct nvme_loop_iod) + in nvme_loop_create_io_queues()
535 ctrl->tag_set.driver_data = ctrl; in nvme_loop_create_io_queues()
536 ctrl->tag_set.nr_hw_queues = ctrl->ctrl.queue_count - 1; in nvme_loop_create_io_queues()
537 ctrl->tag_set.timeout = NVME_IO_TIMEOUT; in nvme_loop_create_io_queues()
538 ctrl->ctrl.tagset = &ctrl->tag_set; in nvme_loop_create_io_queues()
540 ret = blk_mq_alloc_tag_set(&ctrl->tag_set); in nvme_loop_create_io_queues()
544 ctrl->ctrl.connect_q = blk_mq_init_queue(&ctrl->tag_set); in nvme_loop_create_io_queues()
545 if (IS_ERR(ctrl->ctrl.connect_q)) { in nvme_loop_create_io_queues()
546 ret = PTR_ERR(ctrl->ctrl.connect_q); in nvme_loop_create_io_queues()
550 ret = nvme_loop_connect_io_queues(ctrl); in nvme_loop_create_io_queues()
557 blk_cleanup_queue(ctrl->ctrl.connect_q); in nvme_loop_create_io_queues()
559 blk_mq_free_tag_set(&ctrl->tag_set); in nvme_loop_create_io_queues()
561 nvme_loop_destroy_io_queues(ctrl); in nvme_loop_create_io_queues()
565 static struct nvmet_port *nvme_loop_find_port(struct nvme_ctrl *ctrl) in nvme_loop_find_port() argument
572 if ((ctrl->opts->mask & NVMF_OPT_TRADDR) && in nvme_loop_find_port()
573 strcmp(ctrl->opts->traddr, p->disc_addr.traddr)) in nvme_loop_find_port()
585 struct nvme_loop_ctrl *ctrl; in nvme_loop_create_ctrl() local
588 ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL); in nvme_loop_create_ctrl()
589 if (!ctrl) in nvme_loop_create_ctrl()
590 return ERR_PTR(-ENOMEM); in nvme_loop_create_ctrl()
591 ctrl->ctrl.opts = opts; in nvme_loop_create_ctrl()
592 INIT_LIST_HEAD(&ctrl->list); in nvme_loop_create_ctrl()
594 INIT_WORK(&ctrl->ctrl.reset_work, nvme_loop_reset_ctrl_work); in nvme_loop_create_ctrl()
596 ret = nvme_init_ctrl(&ctrl->ctrl, dev, &nvme_loop_ctrl_ops, in nvme_loop_create_ctrl()
599 kfree(ctrl); in nvme_loop_create_ctrl()
603 if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) in nvme_loop_create_ctrl()
606 ret = -ENOMEM; in nvme_loop_create_ctrl()
608 ctrl->ctrl.sqsize = opts->queue_size - 1; in nvme_loop_create_ctrl()
609 ctrl->ctrl.kato = opts->kato; in nvme_loop_create_ctrl()
610 ctrl->port = nvme_loop_find_port(&ctrl->ctrl); in nvme_loop_create_ctrl()
612 ctrl->queues = kcalloc(opts->nr_io_queues + 1, sizeof(*ctrl->queues), in nvme_loop_create_ctrl()
614 if (!ctrl->queues) in nvme_loop_create_ctrl()
617 ret = nvme_loop_configure_admin_queue(ctrl); in nvme_loop_create_ctrl()
621 if (opts->queue_size > ctrl->ctrl.maxcmd) { in nvme_loop_create_ctrl()
623 dev_warn(ctrl->ctrl.device, in nvme_loop_create_ctrl()
624 "queue_size %zu > ctrl maxcmd %u, clamping down\n", in nvme_loop_create_ctrl()
625 opts->queue_size, ctrl->ctrl.maxcmd); in nvme_loop_create_ctrl()
626 opts->queue_size = ctrl->ctrl.maxcmd; in nvme_loop_create_ctrl()
629 if (opts->nr_io_queues) { in nvme_loop_create_ctrl()
630 ret = nvme_loop_create_io_queues(ctrl); in nvme_loop_create_ctrl()
635 nvme_loop_init_iod(ctrl, &ctrl->async_event_iod, 0); in nvme_loop_create_ctrl()
637 dev_info(ctrl->ctrl.device, in nvme_loop_create_ctrl()
638 "new ctrl: \"%s\"\n", ctrl->ctrl.opts->subsysnqn); in nvme_loop_create_ctrl()
640 if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE)) in nvme_loop_create_ctrl()
644 list_add_tail(&ctrl->list, &nvme_loop_ctrl_list); in nvme_loop_create_ctrl()
647 nvme_start_ctrl(&ctrl->ctrl); in nvme_loop_create_ctrl()
649 return &ctrl->ctrl; in nvme_loop_create_ctrl()
652 nvme_loop_destroy_admin_queue(ctrl); in nvme_loop_create_ctrl()
654 kfree(ctrl->queues); in nvme_loop_create_ctrl()
656 nvme_uninit_ctrl(&ctrl->ctrl); in nvme_loop_create_ctrl()
657 nvme_put_ctrl(&ctrl->ctrl); in nvme_loop_create_ctrl()
660 ret = -EIO; in nvme_loop_create_ctrl()
667 list_add_tail(&port->entry, &nvme_loop_ports); in nvme_loop_add_port()
675 list_del_init(&port->entry); in nvme_loop_remove_port()
698 .module = THIS_MODULE,
720 struct nvme_loop_ctrl *ctrl, *next; in nvme_loop_cleanup_module() local
726 list_for_each_entry_safe(ctrl, next, &nvme_loop_ctrl_list, list) in nvme_loop_cleanup_module()
727 nvme_delete_ctrl(&ctrl->ctrl); in nvme_loop_cleanup_module()
737 MODULE_ALIAS("nvmet-transport-254"); /* 254 == NVMF_TRTYPE_LOOP */