Lines Matching refs:ctrl
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()
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()
105 nvme_complete_async_event(&queue->ctrl->ctrl, cqe->status, in nvme_loop_queue_response()
112 dev_err(queue->ctrl->ctrl.device, in nvme_loop_queue_response()
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()
150 iod->req.port = queue->ctrl->port; 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()
186 dev_err(ctrl->ctrl.device, "failed async event work\n"); in nvme_loop_submit_async_event()
193 static int nvme_loop_init_iod(struct nvme_loop_ctrl *ctrl, in nvme_loop_init_iod() argument
198 iod->queue = &ctrl->queues[queue_idx]; 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()
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()
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()
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()
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()
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()
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 clear_bit(NVME_CTRL_ADMIN_Q_STOPPED, &ctrl->ctrl.flags); in nvme_loop_configure_admin_queue()
390 error = nvmf_connect_admin_queue(&ctrl->ctrl); in nvme_loop_configure_admin_queue()
394 set_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags); in nvme_loop_configure_admin_queue()
396 error = nvme_enable_ctrl(&ctrl->ctrl); in nvme_loop_configure_admin_queue()
400 ctrl->ctrl.max_hw_sectors = in nvme_loop_configure_admin_queue()
403 nvme_start_admin_queue(&ctrl->ctrl); in nvme_loop_configure_admin_queue()
405 error = nvme_init_ctrl_finish(&ctrl->ctrl); in nvme_loop_configure_admin_queue()
412 clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags); in nvme_loop_configure_admin_queue()
413 blk_cleanup_queue(ctrl->ctrl.admin_q); in nvme_loop_configure_admin_queue()
415 blk_cleanup_queue(ctrl->ctrl.fabrics_q); in nvme_loop_configure_admin_queue()
417 blk_mq_free_tag_set(&ctrl->admin_tag_set); in nvme_loop_configure_admin_queue()
419 nvmet_sq_destroy(&ctrl->queues[0].nvme_sq); in nvme_loop_configure_admin_queue()
423 static void nvme_loop_shutdown_ctrl(struct nvme_loop_ctrl *ctrl) in nvme_loop_shutdown_ctrl() argument
425 if (ctrl->ctrl.queue_count > 1) { in nvme_loop_shutdown_ctrl()
426 nvme_stop_queues(&ctrl->ctrl); in nvme_loop_shutdown_ctrl()
427 blk_mq_tagset_busy_iter(&ctrl->tag_set, in nvme_loop_shutdown_ctrl()
428 nvme_cancel_request, &ctrl->ctrl); in nvme_loop_shutdown_ctrl()
429 blk_mq_tagset_wait_completed_request(&ctrl->tag_set); in nvme_loop_shutdown_ctrl()
430 nvme_loop_destroy_io_queues(ctrl); in nvme_loop_shutdown_ctrl()
433 nvme_stop_admin_queue(&ctrl->ctrl); in nvme_loop_shutdown_ctrl()
434 if (ctrl->ctrl.state == NVME_CTRL_LIVE) in nvme_loop_shutdown_ctrl()
435 nvme_shutdown_ctrl(&ctrl->ctrl); in nvme_loop_shutdown_ctrl()
437 blk_mq_tagset_busy_iter(&ctrl->admin_tag_set, in nvme_loop_shutdown_ctrl()
438 nvme_cancel_request, &ctrl->ctrl); in nvme_loop_shutdown_ctrl()
439 blk_mq_tagset_wait_completed_request(&ctrl->admin_tag_set); in nvme_loop_shutdown_ctrl()
440 nvme_loop_destroy_admin_queue(ctrl); in nvme_loop_shutdown_ctrl()
443 static void nvme_loop_delete_ctrl_host(struct nvme_ctrl *ctrl) in nvme_loop_delete_ctrl_host() argument
445 nvme_loop_shutdown_ctrl(to_loop_ctrl(ctrl)); in nvme_loop_delete_ctrl_host()
450 struct nvme_loop_ctrl *ctrl; in nvme_loop_delete_ctrl() local
453 list_for_each_entry(ctrl, &nvme_loop_ctrl_list, list) { in nvme_loop_delete_ctrl()
454 if (ctrl->ctrl.cntlid == nctrl->cntlid) in nvme_loop_delete_ctrl()
455 nvme_delete_ctrl(&ctrl->ctrl); in nvme_loop_delete_ctrl()
462 struct nvme_loop_ctrl *ctrl = in nvme_loop_reset_ctrl_work() local
463 container_of(work, struct nvme_loop_ctrl, ctrl.reset_work); in nvme_loop_reset_ctrl_work()
466 nvme_stop_ctrl(&ctrl->ctrl); in nvme_loop_reset_ctrl_work()
467 nvme_loop_shutdown_ctrl(ctrl); in nvme_loop_reset_ctrl_work()
469 if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) { in nvme_loop_reset_ctrl_work()
470 if (ctrl->ctrl.state != NVME_CTRL_DELETING && in nvme_loop_reset_ctrl_work()
471 ctrl->ctrl.state != NVME_CTRL_DELETING_NOIO) in nvme_loop_reset_ctrl_work()
477 ret = nvme_loop_configure_admin_queue(ctrl); in nvme_loop_reset_ctrl_work()
481 ret = nvme_loop_init_io_queues(ctrl); in nvme_loop_reset_ctrl_work()
485 ret = nvme_loop_connect_io_queues(ctrl); in nvme_loop_reset_ctrl_work()
489 blk_mq_update_nr_hw_queues(&ctrl->tag_set, in nvme_loop_reset_ctrl_work()
490 ctrl->ctrl.queue_count - 1); in nvme_loop_reset_ctrl_work()
492 if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE)) in nvme_loop_reset_ctrl_work()
495 nvme_start_ctrl(&ctrl->ctrl); in nvme_loop_reset_ctrl_work()
500 nvme_loop_destroy_io_queues(ctrl); in nvme_loop_reset_ctrl_work()
502 nvme_loop_destroy_admin_queue(ctrl); in nvme_loop_reset_ctrl_work()
504 dev_warn(ctrl->ctrl.device, "Removing after reset failure\n"); in nvme_loop_reset_ctrl_work()
505 nvme_uninit_ctrl(&ctrl->ctrl); in nvme_loop_reset_ctrl_work()
521 static int nvme_loop_create_io_queues(struct nvme_loop_ctrl *ctrl) in nvme_loop_create_io_queues() argument
525 ret = nvme_loop_init_io_queues(ctrl); in nvme_loop_create_io_queues()
529 memset(&ctrl->tag_set, 0, sizeof(ctrl->tag_set)); in nvme_loop_create_io_queues()
530 ctrl->tag_set.ops = &nvme_loop_mq_ops; in nvme_loop_create_io_queues()
531 ctrl->tag_set.queue_depth = ctrl->ctrl.opts->queue_size; in nvme_loop_create_io_queues()
532 ctrl->tag_set.reserved_tags = NVMF_RESERVED_TAGS; in nvme_loop_create_io_queues()
533 ctrl->tag_set.numa_node = ctrl->ctrl.numa_node; in nvme_loop_create_io_queues()
534 ctrl->tag_set.flags = BLK_MQ_F_SHOULD_MERGE; in nvme_loop_create_io_queues()
535 ctrl->tag_set.cmd_size = sizeof(struct nvme_loop_iod) + in nvme_loop_create_io_queues()
537 ctrl->tag_set.driver_data = ctrl; in nvme_loop_create_io_queues()
538 ctrl->tag_set.nr_hw_queues = ctrl->ctrl.queue_count - 1; in nvme_loop_create_io_queues()
539 ctrl->tag_set.timeout = NVME_IO_TIMEOUT; in nvme_loop_create_io_queues()
540 ctrl->ctrl.tagset = &ctrl->tag_set; in nvme_loop_create_io_queues()
542 ret = blk_mq_alloc_tag_set(&ctrl->tag_set); in nvme_loop_create_io_queues()
546 ctrl->ctrl.connect_q = blk_mq_init_queue(&ctrl->tag_set); in nvme_loop_create_io_queues()
547 if (IS_ERR(ctrl->ctrl.connect_q)) { in nvme_loop_create_io_queues()
548 ret = PTR_ERR(ctrl->ctrl.connect_q); in nvme_loop_create_io_queues()
552 ret = nvme_loop_connect_io_queues(ctrl); in nvme_loop_create_io_queues()
559 blk_cleanup_queue(ctrl->ctrl.connect_q); in nvme_loop_create_io_queues()
561 blk_mq_free_tag_set(&ctrl->tag_set); in nvme_loop_create_io_queues()
563 nvme_loop_destroy_io_queues(ctrl); in nvme_loop_create_io_queues()
567 static struct nvmet_port *nvme_loop_find_port(struct nvme_ctrl *ctrl) in nvme_loop_find_port() argument
574 if ((ctrl->opts->mask & NVMF_OPT_TRADDR) && in nvme_loop_find_port()
575 strcmp(ctrl->opts->traddr, p->disc_addr.traddr)) in nvme_loop_find_port()
587 struct nvme_loop_ctrl *ctrl; in nvme_loop_create_ctrl() local
590 ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL); in nvme_loop_create_ctrl()
591 if (!ctrl) in nvme_loop_create_ctrl()
593 ctrl->ctrl.opts = opts; in nvme_loop_create_ctrl()
594 INIT_LIST_HEAD(&ctrl->list); in nvme_loop_create_ctrl()
596 INIT_WORK(&ctrl->ctrl.reset_work, nvme_loop_reset_ctrl_work); in nvme_loop_create_ctrl()
598 ret = nvme_init_ctrl(&ctrl->ctrl, dev, &nvme_loop_ctrl_ops, in nvme_loop_create_ctrl()
601 kfree(ctrl); in nvme_loop_create_ctrl()
605 if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) in nvme_loop_create_ctrl()
610 ctrl->ctrl.sqsize = opts->queue_size - 1; in nvme_loop_create_ctrl()
611 ctrl->ctrl.kato = opts->kato; in nvme_loop_create_ctrl()
612 ctrl->port = nvme_loop_find_port(&ctrl->ctrl); in nvme_loop_create_ctrl()
614 ctrl->queues = kcalloc(opts->nr_io_queues + 1, sizeof(*ctrl->queues), in nvme_loop_create_ctrl()
616 if (!ctrl->queues) in nvme_loop_create_ctrl()
619 ret = nvme_loop_configure_admin_queue(ctrl); in nvme_loop_create_ctrl()
623 if (opts->queue_size > ctrl->ctrl.maxcmd) { in nvme_loop_create_ctrl()
625 dev_warn(ctrl->ctrl.device, in nvme_loop_create_ctrl()
627 opts->queue_size, ctrl->ctrl.maxcmd); in nvme_loop_create_ctrl()
628 opts->queue_size = ctrl->ctrl.maxcmd; in nvme_loop_create_ctrl()
632 ret = nvme_loop_create_io_queues(ctrl); in nvme_loop_create_ctrl()
637 nvme_loop_init_iod(ctrl, &ctrl->async_event_iod, 0); in nvme_loop_create_ctrl()
639 dev_info(ctrl->ctrl.device, in nvme_loop_create_ctrl()
640 "new ctrl: \"%s\"\n", ctrl->ctrl.opts->subsysnqn); in nvme_loop_create_ctrl()
642 if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE)) in nvme_loop_create_ctrl()
646 list_add_tail(&ctrl->list, &nvme_loop_ctrl_list); in nvme_loop_create_ctrl()
649 nvme_start_ctrl(&ctrl->ctrl); in nvme_loop_create_ctrl()
651 return &ctrl->ctrl; in nvme_loop_create_ctrl()
654 nvme_loop_destroy_admin_queue(ctrl); in nvme_loop_create_ctrl()
656 kfree(ctrl->queues); in nvme_loop_create_ctrl()
658 nvme_uninit_ctrl(&ctrl->ctrl); in nvme_loop_create_ctrl()
659 nvme_put_ctrl(&ctrl->ctrl); in nvme_loop_create_ctrl()
722 struct nvme_loop_ctrl *ctrl, *next; in nvme_loop_cleanup_module() local
728 list_for_each_entry_safe(ctrl, next, &nvme_loop_ctrl_list, list) in nvme_loop_cleanup_module()
729 nvme_delete_ctrl(&ctrl->ctrl); in nvme_loop_cleanup_module()