Lines Matching full: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 (!nvmf_check_ready(&queue->ctrl->ctrl, req, queue_ready)) in nvme_loop_queue_rq()
142 return nvmf_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
209 nvme_req(req)->ctrl = &ctrl->ctrl; in nvme_loop_init_request()
210 return nvme_loop_init_iod(ctrl, blk_mq_rq_to_pdu(req), in nvme_loop_init_request()
211 (set == &ctrl->tag_set) ? hctx_idx + 1 : 0); in nvme_loop_init_request()
217 struct nvme_loop_ctrl *ctrl = data; in nvme_loop_init_hctx() local
218 struct nvme_loop_queue *queue = &ctrl->queues[hctx_idx + 1]; in nvme_loop_init_hctx()
220 BUG_ON(hctx_idx >= ctrl->ctrl.queue_count); in nvme_loop_init_hctx()
229 struct nvme_loop_ctrl *ctrl = data; in nvme_loop_init_admin_hctx() local
230 struct nvme_loop_queue *queue = &ctrl->queues[0]; in nvme_loop_init_admin_hctx()
252 static void nvme_loop_destroy_admin_queue(struct nvme_loop_ctrl *ctrl) in nvme_loop_destroy_admin_queue() argument
254 if (!test_and_clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags)) in nvme_loop_destroy_admin_queue()
256 nvmet_sq_destroy(&ctrl->queues[0].nvme_sq); in nvme_loop_destroy_admin_queue()
257 blk_cleanup_queue(ctrl->ctrl.admin_q); in nvme_loop_destroy_admin_queue()
258 blk_cleanup_queue(ctrl->ctrl.fabrics_q); in nvme_loop_destroy_admin_queue()
259 blk_mq_free_tag_set(&ctrl->admin_tag_set); in nvme_loop_destroy_admin_queue()
264 struct nvme_loop_ctrl *ctrl = to_loop_ctrl(nctrl); in nvme_loop_free_ctrl() local
266 if (list_empty(&ctrl->list)) in nvme_loop_free_ctrl()
270 list_del(&ctrl->list); in nvme_loop_free_ctrl()
274 blk_cleanup_queue(ctrl->ctrl.connect_q); in nvme_loop_free_ctrl()
275 blk_mq_free_tag_set(&ctrl->tag_set); in nvme_loop_free_ctrl()
277 kfree(ctrl->queues); in nvme_loop_free_ctrl()
280 kfree(ctrl); in nvme_loop_free_ctrl()
283 static void nvme_loop_destroy_io_queues(struct nvme_loop_ctrl *ctrl) in nvme_loop_destroy_io_queues() argument
287 for (i = 1; i < ctrl->ctrl.queue_count; i++) { in nvme_loop_destroy_io_queues()
288 clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[i].flags); in nvme_loop_destroy_io_queues()
289 nvmet_sq_destroy(&ctrl->queues[i].nvme_sq); in nvme_loop_destroy_io_queues()
291 ctrl->ctrl.queue_count = 1; in nvme_loop_destroy_io_queues()
294 static int nvme_loop_init_io_queues(struct nvme_loop_ctrl *ctrl) in nvme_loop_init_io_queues() argument
296 struct nvmf_ctrl_options *opts = ctrl->ctrl.opts; in nvme_loop_init_io_queues()
301 ret = nvme_set_queue_count(&ctrl->ctrl, &nr_io_queues); in nvme_loop_init_io_queues()
305 dev_info(ctrl->ctrl.device, "creating %d I/O queues.\n", nr_io_queues); in nvme_loop_init_io_queues()
308 ctrl->queues[i].ctrl = ctrl; in nvme_loop_init_io_queues()
309 ret = nvmet_sq_init(&ctrl->queues[i].nvme_sq); in nvme_loop_init_io_queues()
313 ctrl->ctrl.queue_count++; in nvme_loop_init_io_queues()
319 nvme_loop_destroy_io_queues(ctrl); in nvme_loop_init_io_queues()
323 static int nvme_loop_connect_io_queues(struct nvme_loop_ctrl *ctrl) in nvme_loop_connect_io_queues() argument
327 for (i = 1; i < ctrl->ctrl.queue_count; i++) { in nvme_loop_connect_io_queues()
328 ret = nvmf_connect_io_queue(&ctrl->ctrl, i, false); in nvme_loop_connect_io_queues()
331 set_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[i].flags); in nvme_loop_connect_io_queues()
337 static int nvme_loop_configure_admin_queue(struct nvme_loop_ctrl *ctrl) in nvme_loop_configure_admin_queue() argument
341 memset(&ctrl->admin_tag_set, 0, sizeof(ctrl->admin_tag_set)); in nvme_loop_configure_admin_queue()
342 ctrl->admin_tag_set.ops = &nvme_loop_admin_mq_ops; in nvme_loop_configure_admin_queue()
343 ctrl->admin_tag_set.queue_depth = NVME_AQ_MQ_TAG_DEPTH; in nvme_loop_configure_admin_queue()
344 ctrl->admin_tag_set.reserved_tags = 2; /* connect + keep-alive */ in nvme_loop_configure_admin_queue()
345 ctrl->admin_tag_set.numa_node = ctrl->ctrl.numa_node; in nvme_loop_configure_admin_queue()
346 ctrl->admin_tag_set.cmd_size = sizeof(struct nvme_loop_iod) + in nvme_loop_configure_admin_queue()
348 ctrl->admin_tag_set.driver_data = ctrl; in nvme_loop_configure_admin_queue()
349 ctrl->admin_tag_set.nr_hw_queues = 1; in nvme_loop_configure_admin_queue()
350 ctrl->admin_tag_set.timeout = ADMIN_TIMEOUT; in nvme_loop_configure_admin_queue()
351 ctrl->admin_tag_set.flags = BLK_MQ_F_NO_SCHED; in nvme_loop_configure_admin_queue()
353 ctrl->queues[0].ctrl = ctrl; in nvme_loop_configure_admin_queue()
354 error = nvmet_sq_init(&ctrl->queues[0].nvme_sq); in nvme_loop_configure_admin_queue()
357 ctrl->ctrl.queue_count = 1; in nvme_loop_configure_admin_queue()
359 error = blk_mq_alloc_tag_set(&ctrl->admin_tag_set); in nvme_loop_configure_admin_queue()
362 ctrl->ctrl.admin_tagset = &ctrl->admin_tag_set; in nvme_loop_configure_admin_queue()
364 ctrl->ctrl.fabrics_q = blk_mq_init_queue(&ctrl->admin_tag_set); in nvme_loop_configure_admin_queue()
365 if (IS_ERR(ctrl->ctrl.fabrics_q)) { in nvme_loop_configure_admin_queue()
366 error = PTR_ERR(ctrl->ctrl.fabrics_q); in nvme_loop_configure_admin_queue()
370 ctrl->ctrl.admin_q = blk_mq_init_queue(&ctrl->admin_tag_set); in nvme_loop_configure_admin_queue()
371 if (IS_ERR(ctrl->ctrl.admin_q)) { in nvme_loop_configure_admin_queue()
372 error = PTR_ERR(ctrl->ctrl.admin_q); in nvme_loop_configure_admin_queue()
376 error = nvmf_connect_admin_queue(&ctrl->ctrl); in nvme_loop_configure_admin_queue()
380 set_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags); in nvme_loop_configure_admin_queue()
382 error = nvme_enable_ctrl(&ctrl->ctrl); in nvme_loop_configure_admin_queue()
386 ctrl->ctrl.max_hw_sectors = in nvme_loop_configure_admin_queue()
389 blk_mq_unquiesce_queue(ctrl->ctrl.admin_q); in nvme_loop_configure_admin_queue()
391 error = nvme_init_identify(&ctrl->ctrl); in nvme_loop_configure_admin_queue()
398 clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags); in nvme_loop_configure_admin_queue()
399 blk_cleanup_queue(ctrl->ctrl.admin_q); in nvme_loop_configure_admin_queue()
401 blk_cleanup_queue(ctrl->ctrl.fabrics_q); in nvme_loop_configure_admin_queue()
403 blk_mq_free_tag_set(&ctrl->admin_tag_set); in nvme_loop_configure_admin_queue()
405 nvmet_sq_destroy(&ctrl->queues[0].nvme_sq); in nvme_loop_configure_admin_queue()
409 static void nvme_loop_shutdown_ctrl(struct nvme_loop_ctrl *ctrl) in nvme_loop_shutdown_ctrl() argument
411 if (ctrl->ctrl.queue_count > 1) { in nvme_loop_shutdown_ctrl()
412 nvme_stop_queues(&ctrl->ctrl); in nvme_loop_shutdown_ctrl()
413 blk_mq_tagset_busy_iter(&ctrl->tag_set, in nvme_loop_shutdown_ctrl()
414 nvme_cancel_request, &ctrl->ctrl); in nvme_loop_shutdown_ctrl()
415 blk_mq_tagset_wait_completed_request(&ctrl->tag_set); in nvme_loop_shutdown_ctrl()
416 nvme_loop_destroy_io_queues(ctrl); in nvme_loop_shutdown_ctrl()
419 blk_mq_quiesce_queue(ctrl->ctrl.admin_q); in nvme_loop_shutdown_ctrl()
420 if (ctrl->ctrl.state == NVME_CTRL_LIVE) in nvme_loop_shutdown_ctrl()
421 nvme_shutdown_ctrl(&ctrl->ctrl); in nvme_loop_shutdown_ctrl()
423 blk_mq_tagset_busy_iter(&ctrl->admin_tag_set, in nvme_loop_shutdown_ctrl()
424 nvme_cancel_request, &ctrl->ctrl); in nvme_loop_shutdown_ctrl()
425 blk_mq_tagset_wait_completed_request(&ctrl->admin_tag_set); in nvme_loop_shutdown_ctrl()
426 nvme_loop_destroy_admin_queue(ctrl); in nvme_loop_shutdown_ctrl()
429 static void nvme_loop_delete_ctrl_host(struct nvme_ctrl *ctrl) in nvme_loop_delete_ctrl_host() argument
431 nvme_loop_shutdown_ctrl(to_loop_ctrl(ctrl)); in nvme_loop_delete_ctrl_host()
436 struct nvme_loop_ctrl *ctrl; in nvme_loop_delete_ctrl() local
439 list_for_each_entry(ctrl, &nvme_loop_ctrl_list, list) { in nvme_loop_delete_ctrl()
440 if (ctrl->ctrl.cntlid == nctrl->cntlid) in nvme_loop_delete_ctrl()
441 nvme_delete_ctrl(&ctrl->ctrl); in nvme_loop_delete_ctrl()
448 struct nvme_loop_ctrl *ctrl = in nvme_loop_reset_ctrl_work() local
449 container_of(work, struct nvme_loop_ctrl, ctrl.reset_work); in nvme_loop_reset_ctrl_work()
452 nvme_stop_ctrl(&ctrl->ctrl); in nvme_loop_reset_ctrl_work()
453 nvme_loop_shutdown_ctrl(ctrl); in nvme_loop_reset_ctrl_work()
455 if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) { in nvme_loop_reset_ctrl_work()
456 if (ctrl->ctrl.state != NVME_CTRL_DELETING && in nvme_loop_reset_ctrl_work()
457 ctrl->ctrl.state != NVME_CTRL_DELETING_NOIO) in nvme_loop_reset_ctrl_work()
458 /* state change failure for non-deleted ctrl? */ in nvme_loop_reset_ctrl_work()
463 ret = nvme_loop_configure_admin_queue(ctrl); in nvme_loop_reset_ctrl_work()
467 ret = nvme_loop_init_io_queues(ctrl); in nvme_loop_reset_ctrl_work()
471 ret = nvme_loop_connect_io_queues(ctrl); in nvme_loop_reset_ctrl_work()
475 blk_mq_update_nr_hw_queues(&ctrl->tag_set, in nvme_loop_reset_ctrl_work()
476 ctrl->ctrl.queue_count - 1); in nvme_loop_reset_ctrl_work()
478 if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE)) in nvme_loop_reset_ctrl_work()
481 nvme_start_ctrl(&ctrl->ctrl); in nvme_loop_reset_ctrl_work()
486 nvme_loop_destroy_io_queues(ctrl); in nvme_loop_reset_ctrl_work()
488 nvme_loop_destroy_admin_queue(ctrl); in nvme_loop_reset_ctrl_work()
490 dev_warn(ctrl->ctrl.device, "Removing after reset failure\n"); in nvme_loop_reset_ctrl_work()
491 nvme_uninit_ctrl(&ctrl->ctrl); in nvme_loop_reset_ctrl_work()
507 static int nvme_loop_create_io_queues(struct nvme_loop_ctrl *ctrl) in nvme_loop_create_io_queues() argument
511 ret = nvme_loop_init_io_queues(ctrl); in nvme_loop_create_io_queues()
515 memset(&ctrl->tag_set, 0, sizeof(ctrl->tag_set)); in nvme_loop_create_io_queues()
516 ctrl->tag_set.ops = &nvme_loop_mq_ops; in nvme_loop_create_io_queues()
517 ctrl->tag_set.queue_depth = ctrl->ctrl.opts->queue_size; in nvme_loop_create_io_queues()
518 ctrl->tag_set.reserved_tags = 1; /* fabric connect */ in nvme_loop_create_io_queues()
519 ctrl->tag_set.numa_node = ctrl->ctrl.numa_node; in nvme_loop_create_io_queues()
520 ctrl->tag_set.flags = BLK_MQ_F_SHOULD_MERGE; in nvme_loop_create_io_queues()
521 ctrl->tag_set.cmd_size = sizeof(struct nvme_loop_iod) + in nvme_loop_create_io_queues()
523 ctrl->tag_set.driver_data = ctrl; in nvme_loop_create_io_queues()
524 ctrl->tag_set.nr_hw_queues = ctrl->ctrl.queue_count - 1; in nvme_loop_create_io_queues()
525 ctrl->tag_set.timeout = NVME_IO_TIMEOUT; in nvme_loop_create_io_queues()
526 ctrl->ctrl.tagset = &ctrl->tag_set; in nvme_loop_create_io_queues()
528 ret = blk_mq_alloc_tag_set(&ctrl->tag_set); in nvme_loop_create_io_queues()
532 ctrl->ctrl.connect_q = blk_mq_init_queue(&ctrl->tag_set); in nvme_loop_create_io_queues()
533 if (IS_ERR(ctrl->ctrl.connect_q)) { in nvme_loop_create_io_queues()
534 ret = PTR_ERR(ctrl->ctrl.connect_q); in nvme_loop_create_io_queues()
538 ret = nvme_loop_connect_io_queues(ctrl); in nvme_loop_create_io_queues()
545 blk_cleanup_queue(ctrl->ctrl.connect_q); in nvme_loop_create_io_queues()
547 blk_mq_free_tag_set(&ctrl->tag_set); in nvme_loop_create_io_queues()
549 nvme_loop_destroy_io_queues(ctrl); in nvme_loop_create_io_queues()
553 static struct nvmet_port *nvme_loop_find_port(struct nvme_ctrl *ctrl) in nvme_loop_find_port() argument
560 if ((ctrl->opts->mask & NVMF_OPT_TRADDR) && in nvme_loop_find_port()
561 strcmp(ctrl->opts->traddr, p->disc_addr.traddr)) in nvme_loop_find_port()
573 struct nvme_loop_ctrl *ctrl; in nvme_loop_create_ctrl() local
576 ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL); in nvme_loop_create_ctrl()
577 if (!ctrl) in nvme_loop_create_ctrl()
579 ctrl->ctrl.opts = opts; in nvme_loop_create_ctrl()
580 INIT_LIST_HEAD(&ctrl->list); in nvme_loop_create_ctrl()
582 INIT_WORK(&ctrl->ctrl.reset_work, nvme_loop_reset_ctrl_work); in nvme_loop_create_ctrl()
584 ret = nvme_init_ctrl(&ctrl->ctrl, dev, &nvme_loop_ctrl_ops, in nvme_loop_create_ctrl()
587 kfree(ctrl); in nvme_loop_create_ctrl()
591 if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) in nvme_loop_create_ctrl()
596 ctrl->ctrl.sqsize = opts->queue_size - 1; in nvme_loop_create_ctrl()
597 ctrl->ctrl.kato = opts->kato; in nvme_loop_create_ctrl()
598 ctrl->port = nvme_loop_find_port(&ctrl->ctrl); in nvme_loop_create_ctrl()
600 ctrl->queues = kcalloc(opts->nr_io_queues + 1, sizeof(*ctrl->queues), in nvme_loop_create_ctrl()
602 if (!ctrl->queues) in nvme_loop_create_ctrl()
605 ret = nvme_loop_configure_admin_queue(ctrl); in nvme_loop_create_ctrl()
609 if (opts->queue_size > ctrl->ctrl.maxcmd) { in nvme_loop_create_ctrl()
611 dev_warn(ctrl->ctrl.device, in nvme_loop_create_ctrl()
612 "queue_size %zu > ctrl maxcmd %u, clamping down\n", in nvme_loop_create_ctrl()
613 opts->queue_size, ctrl->ctrl.maxcmd); in nvme_loop_create_ctrl()
614 opts->queue_size = ctrl->ctrl.maxcmd; in nvme_loop_create_ctrl()
618 ret = nvme_loop_create_io_queues(ctrl); in nvme_loop_create_ctrl()
623 nvme_loop_init_iod(ctrl, &ctrl->async_event_iod, 0); in nvme_loop_create_ctrl()
625 dev_info(ctrl->ctrl.device, in nvme_loop_create_ctrl()
626 "new ctrl: \"%s\"\n", ctrl->ctrl.opts->subsysnqn); in nvme_loop_create_ctrl()
628 if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE)) in nvme_loop_create_ctrl()
632 list_add_tail(&ctrl->list, &nvme_loop_ctrl_list); in nvme_loop_create_ctrl()
635 nvme_start_ctrl(&ctrl->ctrl); in nvme_loop_create_ctrl()
637 return &ctrl->ctrl; in nvme_loop_create_ctrl()
640 nvme_loop_destroy_admin_queue(ctrl); in nvme_loop_create_ctrl()
642 kfree(ctrl->queues); in nvme_loop_create_ctrl()
644 nvme_uninit_ctrl(&ctrl->ctrl); in nvme_loop_create_ctrl()
645 nvme_put_ctrl(&ctrl->ctrl); in nvme_loop_create_ctrl()
708 struct nvme_loop_ctrl *ctrl, *next; in nvme_loop_cleanup_module() local
714 list_for_each_entry_safe(ctrl, next, &nvme_loop_ctrl_list, list) in nvme_loop_cleanup_module()
715 nvme_delete_ctrl(&ctrl->ctrl); in nvme_loop_cleanup_module()