Lines Matching full:ctrl
99 struct nvme_tcp_ctrl *ctrl; member
127 struct nvme_ctrl ctrl; member
142 static inline struct nvme_tcp_ctrl *to_tcp_ctrl(struct nvme_ctrl *ctrl) in to_tcp_ctrl() argument
144 return container_of(ctrl, struct nvme_tcp_ctrl, ctrl); in to_tcp_ctrl()
149 return queue - queue->ctrl->queues; in nvme_tcp_queue_id()
157 return queue->ctrl->admin_tag_set.tags[queue_idx]; in nvme_tcp_tagset()
158 return queue->ctrl->tag_set.tags[queue_idx - 1]; in nvme_tcp_tagset()
178 return req == &req->queue->ctrl->async_req; in nvme_tcp_async_req()
375 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_verify_hdgst()
385 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_verify_hdgst()
404 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_check_ddgst()
426 struct nvme_tcp_ctrl *ctrl = set->driver_data; in nvme_tcp_init_request() local
429 int queue_idx = (set == &ctrl->tag_set) ? hctx_idx + 1 : 0; in nvme_tcp_init_request()
430 struct nvme_tcp_queue *queue = &ctrl->queues[queue_idx]; in nvme_tcp_init_request()
441 nvme_req(rq)->ctrl = &ctrl->ctrl; in nvme_tcp_init_request()
450 struct nvme_tcp_ctrl *ctrl = data; in nvme_tcp_init_hctx() local
451 struct nvme_tcp_queue *queue = &ctrl->queues[hctx_idx + 1]; in nvme_tcp_init_hctx()
460 struct nvme_tcp_ctrl *ctrl = data; in nvme_tcp_init_admin_hctx() local
461 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_init_admin_hctx()
484 static void nvme_tcp_error_recovery(struct nvme_ctrl *ctrl) in nvme_tcp_error_recovery() argument
486 if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING)) in nvme_tcp_error_recovery()
489 dev_warn(ctrl->device, "starting error recovery\n"); in nvme_tcp_error_recovery()
490 queue_work(nvme_reset_wq, &to_tcp_ctrl(ctrl)->err_work); in nvme_tcp_error_recovery()
501 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_process_nvme_cqe()
504 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_process_nvme_cqe()
526 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
533 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
543 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
546 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_handle_c2h_data()
567 nvme_complete_async_event(&queue->ctrl->ctrl, cqe->status, in nvme_tcp_handle_comp()
588 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_h2c_data_pdu()
595 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_h2c_data_pdu()
603 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_h2c_data_pdu()
637 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
700 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_pdu()
737 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_data()
757 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_data()
811 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_ddgst()
852 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_skb()
855 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_recv_skb()
903 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_state_change()
906 dev_info(queue->ctrl->ctrl.device, in nvme_tcp_state_change()
1117 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_try_send()
1210 static void nvme_tcp_free_async_req(struct nvme_tcp_ctrl *ctrl) in nvme_tcp_free_async_req() argument
1212 struct nvme_tcp_request *async = &ctrl->async_req; in nvme_tcp_free_async_req()
1217 static int nvme_tcp_alloc_async_req(struct nvme_tcp_ctrl *ctrl) in nvme_tcp_alloc_async_req() argument
1219 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_alloc_async_req()
1220 struct nvme_tcp_request *async = &ctrl->async_req; in nvme_tcp_alloc_async_req()
1229 async->queue = &ctrl->queues[0]; in nvme_tcp_alloc_async_req()
1235 struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(nctrl); in nvme_tcp_free_queue() local
1236 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_free_queue()
1317 pr_err("queue %d: data digest mismatch host: %s ctrl: %s\n", in nvme_tcp_init_connection()
1327 pr_err("queue %d: header digest mismatch host: %s ctrl: %s\n", in nvme_tcp_init_connection()
1355 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_default_queue() local
1359 qid < 1 + ctrl->io_queues[HCTX_TYPE_DEFAULT]; in nvme_tcp_default_queue()
1364 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_read_queue() local
1369 qid < 1 + ctrl->io_queues[HCTX_TYPE_DEFAULT] + in nvme_tcp_read_queue()
1370 ctrl->io_queues[HCTX_TYPE_READ]; in nvme_tcp_read_queue()
1375 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_poll_queue() local
1381 qid < 1 + ctrl->io_queues[HCTX_TYPE_DEFAULT] + in nvme_tcp_poll_queue()
1382 ctrl->io_queues[HCTX_TYPE_READ] + in nvme_tcp_poll_queue()
1383 ctrl->io_queues[HCTX_TYPE_POLL]; in nvme_tcp_poll_queue()
1388 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_set_queue_io_cpu() local
1395 n = qid - ctrl->io_queues[HCTX_TYPE_DEFAULT] - 1; in nvme_tcp_set_queue_io_cpu()
1397 n = qid - ctrl->io_queues[HCTX_TYPE_DEFAULT] - in nvme_tcp_set_queue_io_cpu()
1398 ctrl->io_queues[HCTX_TYPE_READ] - 1; in nvme_tcp_set_queue_io_cpu()
1405 struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(nctrl); in nvme_tcp_alloc_queue() local
1406 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_alloc_queue()
1410 queue->ctrl = ctrl; in nvme_tcp_alloc_queue()
1423 ret = sock_create(ctrl->addr.ss_family, SOCK_STREAM, in nvme_tcp_alloc_queue()
1464 ret = kernel_bind(queue->sock, (struct sockaddr *)&ctrl->src_addr, in nvme_tcp_alloc_queue()
1465 sizeof(ctrl->src_addr)); in nvme_tcp_alloc_queue()
1510 ret = kernel_connect(queue->sock, (struct sockaddr *)&ctrl->addr, in nvme_tcp_alloc_queue()
1511 sizeof(ctrl->addr), 0); in nvme_tcp_alloc_queue()
1578 struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(nctrl); in nvme_tcp_stop_queue() local
1579 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_stop_queue()
1589 struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(nctrl); in nvme_tcp_start_queue() local
1598 set_bit(NVME_TCP_Q_LIVE, &ctrl->queues[idx].flags); in nvme_tcp_start_queue()
1600 if (test_bit(NVME_TCP_Q_ALLOCATED, &ctrl->queues[idx].flags)) in nvme_tcp_start_queue()
1601 __nvme_tcp_stop_queue(&ctrl->queues[idx]); in nvme_tcp_start_queue()
1611 struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(nctrl); in nvme_tcp_alloc_tagset() local
1616 set = &ctrl->admin_tag_set; in nvme_tcp_alloc_tagset()
1624 set->driver_data = ctrl; in nvme_tcp_alloc_tagset()
1628 set = &ctrl->tag_set; in nvme_tcp_alloc_tagset()
1636 set->driver_data = ctrl; in nvme_tcp_alloc_tagset()
1649 static void nvme_tcp_free_admin_queue(struct nvme_ctrl *ctrl) in nvme_tcp_free_admin_queue() argument
1651 if (to_tcp_ctrl(ctrl)->async_req.pdu) { in nvme_tcp_free_admin_queue()
1652 cancel_work_sync(&ctrl->async_event_work); in nvme_tcp_free_admin_queue()
1653 nvme_tcp_free_async_req(to_tcp_ctrl(ctrl)); in nvme_tcp_free_admin_queue()
1654 to_tcp_ctrl(ctrl)->async_req.pdu = NULL; in nvme_tcp_free_admin_queue()
1657 nvme_tcp_free_queue(ctrl, 0); in nvme_tcp_free_admin_queue()
1660 static void nvme_tcp_free_io_queues(struct nvme_ctrl *ctrl) in nvme_tcp_free_io_queues() argument
1664 for (i = 1; i < ctrl->queue_count; i++) in nvme_tcp_free_io_queues()
1665 nvme_tcp_free_queue(ctrl, i); in nvme_tcp_free_io_queues()
1668 static void nvme_tcp_stop_io_queues(struct nvme_ctrl *ctrl) in nvme_tcp_stop_io_queues() argument
1672 for (i = 1; i < ctrl->queue_count; i++) in nvme_tcp_stop_io_queues()
1673 nvme_tcp_stop_queue(ctrl, i); in nvme_tcp_stop_io_queues()
1676 static int nvme_tcp_start_io_queues(struct nvme_ctrl *ctrl) in nvme_tcp_start_io_queues() argument
1680 for (i = 1; i < ctrl->queue_count; i++) { in nvme_tcp_start_io_queues()
1681 ret = nvme_tcp_start_queue(ctrl, i); in nvme_tcp_start_io_queues()
1690 nvme_tcp_stop_queue(ctrl, i); in nvme_tcp_start_io_queues()
1694 static int nvme_tcp_alloc_admin_queue(struct nvme_ctrl *ctrl) in nvme_tcp_alloc_admin_queue() argument
1698 ret = nvme_tcp_alloc_queue(ctrl, 0, NVME_AQ_DEPTH); in nvme_tcp_alloc_admin_queue()
1702 ret = nvme_tcp_alloc_async_req(to_tcp_ctrl(ctrl)); in nvme_tcp_alloc_admin_queue()
1709 nvme_tcp_free_queue(ctrl, 0); in nvme_tcp_alloc_admin_queue()
1713 static int __nvme_tcp_alloc_io_queues(struct nvme_ctrl *ctrl) in __nvme_tcp_alloc_io_queues() argument
1717 for (i = 1; i < ctrl->queue_count; i++) { in __nvme_tcp_alloc_io_queues()
1718 ret = nvme_tcp_alloc_queue(ctrl, i, in __nvme_tcp_alloc_io_queues()
1719 ctrl->sqsize + 1); in __nvme_tcp_alloc_io_queues()
1728 nvme_tcp_free_queue(ctrl, i); in __nvme_tcp_alloc_io_queues()
1733 static unsigned int nvme_tcp_nr_io_queues(struct nvme_ctrl *ctrl) in nvme_tcp_nr_io_queues() argument
1737 nr_io_queues = min(ctrl->opts->nr_io_queues, num_online_cpus()); in nvme_tcp_nr_io_queues()
1738 nr_io_queues += min(ctrl->opts->nr_write_queues, num_online_cpus()); in nvme_tcp_nr_io_queues()
1739 nr_io_queues += min(ctrl->opts->nr_poll_queues, num_online_cpus()); in nvme_tcp_nr_io_queues()
1747 struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(nctrl); in nvme_tcp_set_io_queues() local
1756 ctrl->io_queues[HCTX_TYPE_READ] = opts->nr_io_queues; in nvme_tcp_set_io_queues()
1757 nr_io_queues -= ctrl->io_queues[HCTX_TYPE_READ]; in nvme_tcp_set_io_queues()
1758 ctrl->io_queues[HCTX_TYPE_DEFAULT] = in nvme_tcp_set_io_queues()
1760 nr_io_queues -= ctrl->io_queues[HCTX_TYPE_DEFAULT]; in nvme_tcp_set_io_queues()
1767 ctrl->io_queues[HCTX_TYPE_DEFAULT] = in nvme_tcp_set_io_queues()
1769 nr_io_queues -= ctrl->io_queues[HCTX_TYPE_DEFAULT]; in nvme_tcp_set_io_queues()
1774 ctrl->io_queues[HCTX_TYPE_POLL] = in nvme_tcp_set_io_queues()
1779 static int nvme_tcp_alloc_io_queues(struct nvme_ctrl *ctrl) in nvme_tcp_alloc_io_queues() argument
1784 nr_io_queues = nvme_tcp_nr_io_queues(ctrl); in nvme_tcp_alloc_io_queues()
1785 ret = nvme_set_queue_count(ctrl, &nr_io_queues); in nvme_tcp_alloc_io_queues()
1790 dev_err(ctrl->device, in nvme_tcp_alloc_io_queues()
1795 ctrl->queue_count = nr_io_queues + 1; in nvme_tcp_alloc_io_queues()
1796 dev_info(ctrl->device, in nvme_tcp_alloc_io_queues()
1799 nvme_tcp_set_io_queues(ctrl, nr_io_queues); in nvme_tcp_alloc_io_queues()
1801 return __nvme_tcp_alloc_io_queues(ctrl); in nvme_tcp_alloc_io_queues()
1804 static void nvme_tcp_destroy_io_queues(struct nvme_ctrl *ctrl, bool remove) in nvme_tcp_destroy_io_queues() argument
1806 nvme_tcp_stop_io_queues(ctrl); in nvme_tcp_destroy_io_queues()
1808 blk_cleanup_queue(ctrl->connect_q); in nvme_tcp_destroy_io_queues()
1809 blk_mq_free_tag_set(ctrl->tagset); in nvme_tcp_destroy_io_queues()
1811 nvme_tcp_free_io_queues(ctrl); in nvme_tcp_destroy_io_queues()
1814 static int nvme_tcp_configure_io_queues(struct nvme_ctrl *ctrl, bool new) in nvme_tcp_configure_io_queues() argument
1818 ret = nvme_tcp_alloc_io_queues(ctrl); in nvme_tcp_configure_io_queues()
1823 ctrl->tagset = nvme_tcp_alloc_tagset(ctrl, false); in nvme_tcp_configure_io_queues()
1824 if (IS_ERR(ctrl->tagset)) { in nvme_tcp_configure_io_queues()
1825 ret = PTR_ERR(ctrl->tagset); in nvme_tcp_configure_io_queues()
1829 ctrl->connect_q = blk_mq_init_queue(ctrl->tagset); in nvme_tcp_configure_io_queues()
1830 if (IS_ERR(ctrl->connect_q)) { in nvme_tcp_configure_io_queues()
1831 ret = PTR_ERR(ctrl->connect_q); in nvme_tcp_configure_io_queues()
1836 ret = nvme_tcp_start_io_queues(ctrl); in nvme_tcp_configure_io_queues()
1841 nvme_start_queues(ctrl); in nvme_tcp_configure_io_queues()
1842 if (!nvme_wait_freeze_timeout(ctrl, NVME_IO_TIMEOUT)) { in nvme_tcp_configure_io_queues()
1851 blk_mq_update_nr_hw_queues(ctrl->tagset, in nvme_tcp_configure_io_queues()
1852 ctrl->queue_count - 1); in nvme_tcp_configure_io_queues()
1853 nvme_unfreeze(ctrl); in nvme_tcp_configure_io_queues()
1859 nvme_stop_queues(ctrl); in nvme_tcp_configure_io_queues()
1860 nvme_sync_io_queues(ctrl); in nvme_tcp_configure_io_queues()
1861 nvme_tcp_stop_io_queues(ctrl); in nvme_tcp_configure_io_queues()
1863 nvme_cancel_tagset(ctrl); in nvme_tcp_configure_io_queues()
1865 blk_cleanup_queue(ctrl->connect_q); in nvme_tcp_configure_io_queues()
1868 blk_mq_free_tag_set(ctrl->tagset); in nvme_tcp_configure_io_queues()
1870 nvme_tcp_free_io_queues(ctrl); in nvme_tcp_configure_io_queues()
1874 static void nvme_tcp_destroy_admin_queue(struct nvme_ctrl *ctrl, bool remove) in nvme_tcp_destroy_admin_queue() argument
1876 nvme_tcp_stop_queue(ctrl, 0); in nvme_tcp_destroy_admin_queue()
1878 blk_cleanup_queue(ctrl->admin_q); in nvme_tcp_destroy_admin_queue()
1879 blk_cleanup_queue(ctrl->fabrics_q); in nvme_tcp_destroy_admin_queue()
1880 blk_mq_free_tag_set(ctrl->admin_tagset); in nvme_tcp_destroy_admin_queue()
1882 nvme_tcp_free_admin_queue(ctrl); in nvme_tcp_destroy_admin_queue()
1885 static int nvme_tcp_configure_admin_queue(struct nvme_ctrl *ctrl, bool new) in nvme_tcp_configure_admin_queue() argument
1889 error = nvme_tcp_alloc_admin_queue(ctrl); in nvme_tcp_configure_admin_queue()
1894 ctrl->admin_tagset = nvme_tcp_alloc_tagset(ctrl, true); in nvme_tcp_configure_admin_queue()
1895 if (IS_ERR(ctrl->admin_tagset)) { in nvme_tcp_configure_admin_queue()
1896 error = PTR_ERR(ctrl->admin_tagset); in nvme_tcp_configure_admin_queue()
1900 ctrl->fabrics_q = blk_mq_init_queue(ctrl->admin_tagset); in nvme_tcp_configure_admin_queue()
1901 if (IS_ERR(ctrl->fabrics_q)) { in nvme_tcp_configure_admin_queue()
1902 error = PTR_ERR(ctrl->fabrics_q); in nvme_tcp_configure_admin_queue()
1906 ctrl->admin_q = blk_mq_init_queue(ctrl->admin_tagset); in nvme_tcp_configure_admin_queue()
1907 if (IS_ERR(ctrl->admin_q)) { in nvme_tcp_configure_admin_queue()
1908 error = PTR_ERR(ctrl->admin_q); in nvme_tcp_configure_admin_queue()
1913 error = nvme_tcp_start_queue(ctrl, 0); in nvme_tcp_configure_admin_queue()
1917 error = nvme_enable_ctrl(ctrl); in nvme_tcp_configure_admin_queue()
1921 blk_mq_unquiesce_queue(ctrl->admin_q); in nvme_tcp_configure_admin_queue()
1923 error = nvme_init_ctrl_finish(ctrl); in nvme_tcp_configure_admin_queue()
1930 blk_mq_quiesce_queue(ctrl->admin_q); in nvme_tcp_configure_admin_queue()
1931 blk_sync_queue(ctrl->admin_q); in nvme_tcp_configure_admin_queue()
1933 nvme_tcp_stop_queue(ctrl, 0); in nvme_tcp_configure_admin_queue()
1934 nvme_cancel_admin_tagset(ctrl); in nvme_tcp_configure_admin_queue()
1937 blk_cleanup_queue(ctrl->admin_q); in nvme_tcp_configure_admin_queue()
1940 blk_cleanup_queue(ctrl->fabrics_q); in nvme_tcp_configure_admin_queue()
1943 blk_mq_free_tag_set(ctrl->admin_tagset); in nvme_tcp_configure_admin_queue()
1945 nvme_tcp_free_admin_queue(ctrl); in nvme_tcp_configure_admin_queue()
1949 static void nvme_tcp_teardown_admin_queue(struct nvme_ctrl *ctrl, in nvme_tcp_teardown_admin_queue() argument
1952 blk_mq_quiesce_queue(ctrl->admin_q); in nvme_tcp_teardown_admin_queue()
1953 blk_sync_queue(ctrl->admin_q); in nvme_tcp_teardown_admin_queue()
1954 nvme_tcp_stop_queue(ctrl, 0); in nvme_tcp_teardown_admin_queue()
1955 nvme_cancel_admin_tagset(ctrl); in nvme_tcp_teardown_admin_queue()
1957 blk_mq_unquiesce_queue(ctrl->admin_q); in nvme_tcp_teardown_admin_queue()
1958 nvme_tcp_destroy_admin_queue(ctrl, remove); in nvme_tcp_teardown_admin_queue()
1961 static void nvme_tcp_teardown_io_queues(struct nvme_ctrl *ctrl, in nvme_tcp_teardown_io_queues() argument
1964 if (ctrl->queue_count <= 1) in nvme_tcp_teardown_io_queues()
1966 blk_mq_quiesce_queue(ctrl->admin_q); in nvme_tcp_teardown_io_queues()
1967 nvme_start_freeze(ctrl); in nvme_tcp_teardown_io_queues()
1968 nvme_stop_queues(ctrl); in nvme_tcp_teardown_io_queues()
1969 nvme_sync_io_queues(ctrl); in nvme_tcp_teardown_io_queues()
1970 nvme_tcp_stop_io_queues(ctrl); in nvme_tcp_teardown_io_queues()
1971 nvme_cancel_tagset(ctrl); in nvme_tcp_teardown_io_queues()
1973 nvme_start_queues(ctrl); in nvme_tcp_teardown_io_queues()
1974 nvme_tcp_destroy_io_queues(ctrl, remove); in nvme_tcp_teardown_io_queues()
1977 static void nvme_tcp_reconnect_or_remove(struct nvme_ctrl *ctrl) in nvme_tcp_reconnect_or_remove() argument
1980 if (ctrl->state != NVME_CTRL_CONNECTING) { in nvme_tcp_reconnect_or_remove()
1981 WARN_ON_ONCE(ctrl->state == NVME_CTRL_NEW || in nvme_tcp_reconnect_or_remove()
1982 ctrl->state == NVME_CTRL_LIVE); in nvme_tcp_reconnect_or_remove()
1986 if (nvmf_should_reconnect(ctrl)) { in nvme_tcp_reconnect_or_remove()
1987 dev_info(ctrl->device, "Reconnecting in %d seconds...\n", in nvme_tcp_reconnect_or_remove()
1988 ctrl->opts->reconnect_delay); in nvme_tcp_reconnect_or_remove()
1989 queue_delayed_work(nvme_wq, &to_tcp_ctrl(ctrl)->connect_work, in nvme_tcp_reconnect_or_remove()
1990 ctrl->opts->reconnect_delay * HZ); in nvme_tcp_reconnect_or_remove()
1992 dev_info(ctrl->device, "Removing controller...\n"); in nvme_tcp_reconnect_or_remove()
1993 nvme_delete_ctrl(ctrl); in nvme_tcp_reconnect_or_remove()
1997 static int nvme_tcp_setup_ctrl(struct nvme_ctrl *ctrl, bool new) in nvme_tcp_setup_ctrl() argument
1999 struct nvmf_ctrl_options *opts = ctrl->opts; in nvme_tcp_setup_ctrl()
2002 ret = nvme_tcp_configure_admin_queue(ctrl, new); in nvme_tcp_setup_ctrl()
2006 if (ctrl->icdoff) { in nvme_tcp_setup_ctrl()
2008 dev_err(ctrl->device, "icdoff is not supported!\n"); in nvme_tcp_setup_ctrl()
2012 if (!nvme_ctrl_sgl_supported(ctrl)) { in nvme_tcp_setup_ctrl()
2014 dev_err(ctrl->device, "Mandatory sgls are not supported!\n"); in nvme_tcp_setup_ctrl()
2018 if (opts->queue_size > ctrl->sqsize + 1) in nvme_tcp_setup_ctrl()
2019 dev_warn(ctrl->device, in nvme_tcp_setup_ctrl()
2020 "queue_size %zu > ctrl sqsize %u, clamping down\n", in nvme_tcp_setup_ctrl()
2021 opts->queue_size, ctrl->sqsize + 1); in nvme_tcp_setup_ctrl()
2023 if (ctrl->sqsize + 1 > ctrl->maxcmd) { in nvme_tcp_setup_ctrl()
2024 dev_warn(ctrl->device, in nvme_tcp_setup_ctrl()
2025 "sqsize %u > ctrl maxcmd %u, clamping down\n", in nvme_tcp_setup_ctrl()
2026 ctrl->sqsize + 1, ctrl->maxcmd); in nvme_tcp_setup_ctrl()
2027 ctrl->sqsize = ctrl->maxcmd - 1; in nvme_tcp_setup_ctrl()
2030 if (ctrl->queue_count > 1) { in nvme_tcp_setup_ctrl()
2031 ret = nvme_tcp_configure_io_queues(ctrl, new); in nvme_tcp_setup_ctrl()
2036 if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_LIVE)) { in nvme_tcp_setup_ctrl()
2038 * state change failure is ok if we started ctrl delete, in nvme_tcp_setup_ctrl()
2042 WARN_ON_ONCE(ctrl->state != NVME_CTRL_DELETING && in nvme_tcp_setup_ctrl()
2043 ctrl->state != NVME_CTRL_DELETING_NOIO); in nvme_tcp_setup_ctrl()
2049 nvme_start_ctrl(ctrl); in nvme_tcp_setup_ctrl()
2053 if (ctrl->queue_count > 1) { in nvme_tcp_setup_ctrl()
2054 nvme_stop_queues(ctrl); in nvme_tcp_setup_ctrl()
2055 nvme_sync_io_queues(ctrl); in nvme_tcp_setup_ctrl()
2056 nvme_tcp_stop_io_queues(ctrl); in nvme_tcp_setup_ctrl()
2057 nvme_cancel_tagset(ctrl); in nvme_tcp_setup_ctrl()
2058 nvme_tcp_destroy_io_queues(ctrl, new); in nvme_tcp_setup_ctrl()
2061 blk_mq_quiesce_queue(ctrl->admin_q); in nvme_tcp_setup_ctrl()
2062 blk_sync_queue(ctrl->admin_q); in nvme_tcp_setup_ctrl()
2063 nvme_tcp_stop_queue(ctrl, 0); in nvme_tcp_setup_ctrl()
2064 nvme_cancel_admin_tagset(ctrl); in nvme_tcp_setup_ctrl()
2065 nvme_tcp_destroy_admin_queue(ctrl, new); in nvme_tcp_setup_ctrl()
2073 struct nvme_ctrl *ctrl = &tcp_ctrl->ctrl; in nvme_tcp_reconnect_ctrl_work() local
2075 ++ctrl->nr_reconnects; in nvme_tcp_reconnect_ctrl_work()
2077 if (nvme_tcp_setup_ctrl(ctrl, false)) in nvme_tcp_reconnect_ctrl_work()
2080 dev_info(ctrl->device, "Successfully reconnected (%d attempt)\n", in nvme_tcp_reconnect_ctrl_work()
2081 ctrl->nr_reconnects); in nvme_tcp_reconnect_ctrl_work()
2083 ctrl->nr_reconnects = 0; in nvme_tcp_reconnect_ctrl_work()
2088 dev_info(ctrl->device, "Failed reconnect attempt %d\n", in nvme_tcp_reconnect_ctrl_work()
2089 ctrl->nr_reconnects); in nvme_tcp_reconnect_ctrl_work()
2090 nvme_tcp_reconnect_or_remove(ctrl); in nvme_tcp_reconnect_ctrl_work()
2097 struct nvme_ctrl *ctrl = &tcp_ctrl->ctrl; in nvme_tcp_error_recovery_work() local
2099 nvme_stop_keep_alive(ctrl); in nvme_tcp_error_recovery_work()
2100 nvme_tcp_teardown_io_queues(ctrl, false); in nvme_tcp_error_recovery_work()
2102 nvme_start_queues(ctrl); in nvme_tcp_error_recovery_work()
2103 nvme_tcp_teardown_admin_queue(ctrl, false); in nvme_tcp_error_recovery_work()
2104 blk_mq_unquiesce_queue(ctrl->admin_q); in nvme_tcp_error_recovery_work()
2106 if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_CONNECTING)) { in nvme_tcp_error_recovery_work()
2107 /* state change failure is ok if we started ctrl delete */ in nvme_tcp_error_recovery_work()
2108 WARN_ON_ONCE(ctrl->state != NVME_CTRL_DELETING && in nvme_tcp_error_recovery_work()
2109 ctrl->state != NVME_CTRL_DELETING_NOIO); in nvme_tcp_error_recovery_work()
2113 nvme_tcp_reconnect_or_remove(ctrl); in nvme_tcp_error_recovery_work()
2116 static void nvme_tcp_teardown_ctrl(struct nvme_ctrl *ctrl, bool shutdown) in nvme_tcp_teardown_ctrl() argument
2118 cancel_work_sync(&to_tcp_ctrl(ctrl)->err_work); in nvme_tcp_teardown_ctrl()
2119 cancel_delayed_work_sync(&to_tcp_ctrl(ctrl)->connect_work); in nvme_tcp_teardown_ctrl()
2121 nvme_tcp_teardown_io_queues(ctrl, shutdown); in nvme_tcp_teardown_ctrl()
2122 blk_mq_quiesce_queue(ctrl->admin_q); in nvme_tcp_teardown_ctrl()
2124 nvme_shutdown_ctrl(ctrl); in nvme_tcp_teardown_ctrl()
2126 nvme_disable_ctrl(ctrl); in nvme_tcp_teardown_ctrl()
2127 nvme_tcp_teardown_admin_queue(ctrl, shutdown); in nvme_tcp_teardown_ctrl()
2130 static void nvme_tcp_delete_ctrl(struct nvme_ctrl *ctrl) in nvme_tcp_delete_ctrl() argument
2132 nvme_tcp_teardown_ctrl(ctrl, true); in nvme_tcp_delete_ctrl()
2137 struct nvme_ctrl *ctrl = in nvme_reset_ctrl_work() local
2140 nvme_stop_ctrl(ctrl); in nvme_reset_ctrl_work()
2141 nvme_tcp_teardown_ctrl(ctrl, false); in nvme_reset_ctrl_work()
2143 if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_CONNECTING)) { in nvme_reset_ctrl_work()
2144 /* state change failure is ok if we started ctrl delete */ in nvme_reset_ctrl_work()
2145 WARN_ON_ONCE(ctrl->state != NVME_CTRL_DELETING && in nvme_reset_ctrl_work()
2146 ctrl->state != NVME_CTRL_DELETING_NOIO); in nvme_reset_ctrl_work()
2150 if (nvme_tcp_setup_ctrl(ctrl, false)) in nvme_reset_ctrl_work()
2156 ++ctrl->nr_reconnects; in nvme_reset_ctrl_work()
2157 nvme_tcp_reconnect_or_remove(ctrl); in nvme_reset_ctrl_work()
2162 struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(nctrl); in nvme_tcp_free_ctrl() local
2164 if (list_empty(&ctrl->list)) in nvme_tcp_free_ctrl()
2168 list_del(&ctrl->list); in nvme_tcp_free_ctrl()
2173 kfree(ctrl->queues); in nvme_tcp_free_ctrl()
2174 kfree(ctrl); in nvme_tcp_free_ctrl()
2192 sg->addr = cpu_to_le64(queue->ctrl->ctrl.icdoff); in nvme_tcp_set_sg_inline()
2210 struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(arg); in nvme_tcp_submit_async_event() local
2211 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_submit_async_event()
2212 struct nvme_tcp_cmd_pdu *pdu = ctrl->async_req.pdu; in nvme_tcp_submit_async_event()
2228 ctrl->async_req.state = NVME_TCP_SEND_CMD_PDU; in nvme_tcp_submit_async_event()
2229 ctrl->async_req.offset = 0; in nvme_tcp_submit_async_event()
2230 ctrl->async_req.curr_bio = NULL; in nvme_tcp_submit_async_event()
2231 ctrl->async_req.data_len = 0; in nvme_tcp_submit_async_event()
2233 nvme_tcp_queue_request(&ctrl->async_req, true, true); in nvme_tcp_submit_async_event()
2239 struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; in nvme_tcp_complete_timed_out() local
2241 nvme_tcp_stop_queue(ctrl, nvme_tcp_queue_id(req->queue)); in nvme_tcp_complete_timed_out()
2252 struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; in nvme_tcp_timeout() local
2255 dev_warn(ctrl->device, in nvme_tcp_timeout()
2259 if (ctrl->state != NVME_CTRL_LIVE) { in nvme_tcp_timeout()
2264 * - ctrl disable/shutdown fabrics requests in nvme_tcp_timeout()
2281 nvme_tcp_error_recovery(ctrl); in nvme_tcp_timeout()
2350 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_cmd_pdu()
2376 if (!nvme_check_ready(&queue->ctrl->ctrl, rq, queue_ready)) in nvme_tcp_queue_rq()
2377 return nvme_fail_nonready_command(&queue->ctrl->ctrl, rq); in nvme_tcp_queue_rq()
2392 struct nvme_tcp_ctrl *ctrl = set->driver_data; in nvme_tcp_map_queues() local
2393 struct nvmf_ctrl_options *opts = ctrl->ctrl.opts; in nvme_tcp_map_queues()
2395 if (opts->nr_write_queues && ctrl->io_queues[HCTX_TYPE_READ]) { in nvme_tcp_map_queues()
2398 ctrl->io_queues[HCTX_TYPE_DEFAULT]; in nvme_tcp_map_queues()
2401 ctrl->io_queues[HCTX_TYPE_READ]; in nvme_tcp_map_queues()
2403 ctrl->io_queues[HCTX_TYPE_DEFAULT]; in nvme_tcp_map_queues()
2407 ctrl->io_queues[HCTX_TYPE_DEFAULT]; in nvme_tcp_map_queues()
2410 ctrl->io_queues[HCTX_TYPE_DEFAULT]; in nvme_tcp_map_queues()
2416 if (opts->nr_poll_queues && ctrl->io_queues[HCTX_TYPE_POLL]) { in nvme_tcp_map_queues()
2419 ctrl->io_queues[HCTX_TYPE_POLL]; in nvme_tcp_map_queues()
2421 ctrl->io_queues[HCTX_TYPE_DEFAULT] + in nvme_tcp_map_queues()
2422 ctrl->io_queues[HCTX_TYPE_READ]; in nvme_tcp_map_queues()
2426 dev_info(ctrl->ctrl.device, in nvme_tcp_map_queues()
2428 ctrl->io_queues[HCTX_TYPE_DEFAULT], in nvme_tcp_map_queues()
2429 ctrl->io_queues[HCTX_TYPE_READ], in nvme_tcp_map_queues()
2430 ctrl->io_queues[HCTX_TYPE_POLL]); in nvme_tcp_map_queues()
2488 struct nvme_tcp_ctrl *ctrl; in nvme_tcp_existing_controller() local
2492 list_for_each_entry(ctrl, &nvme_tcp_ctrl_list, list) { in nvme_tcp_existing_controller()
2493 found = nvmf_ip_options_match(&ctrl->ctrl, opts); in nvme_tcp_existing_controller()
2505 struct nvme_tcp_ctrl *ctrl; in nvme_tcp_create_ctrl() local
2508 ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL); in nvme_tcp_create_ctrl()
2509 if (!ctrl) in nvme_tcp_create_ctrl()
2512 INIT_LIST_HEAD(&ctrl->list); in nvme_tcp_create_ctrl()
2513 ctrl->ctrl.opts = opts; in nvme_tcp_create_ctrl()
2514 ctrl->ctrl.queue_count = opts->nr_io_queues + opts->nr_write_queues + in nvme_tcp_create_ctrl()
2516 ctrl->ctrl.sqsize = opts->queue_size - 1; in nvme_tcp_create_ctrl()
2517 ctrl->ctrl.kato = opts->kato; in nvme_tcp_create_ctrl()
2519 INIT_DELAYED_WORK(&ctrl->connect_work, in nvme_tcp_create_ctrl()
2521 INIT_WORK(&ctrl->err_work, nvme_tcp_error_recovery_work); in nvme_tcp_create_ctrl()
2522 INIT_WORK(&ctrl->ctrl.reset_work, nvme_reset_ctrl_work); in nvme_tcp_create_ctrl()
2535 opts->traddr, opts->trsvcid, &ctrl->addr); in nvme_tcp_create_ctrl()
2544 opts->host_traddr, NULL, &ctrl->src_addr); in nvme_tcp_create_ctrl()
2566 ctrl->queues = kcalloc(ctrl->ctrl.queue_count, sizeof(*ctrl->queues), in nvme_tcp_create_ctrl()
2568 if (!ctrl->queues) { in nvme_tcp_create_ctrl()
2573 ret = nvme_init_ctrl(&ctrl->ctrl, dev, &nvme_tcp_ctrl_ops, 0); in nvme_tcp_create_ctrl()
2577 if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) { in nvme_tcp_create_ctrl()
2583 ret = nvme_tcp_setup_ctrl(&ctrl->ctrl, true); in nvme_tcp_create_ctrl()
2587 dev_info(ctrl->ctrl.device, "new ctrl: NQN \"%s\", addr %pISp\n", in nvme_tcp_create_ctrl()
2588 ctrl->ctrl.opts->subsysnqn, &ctrl->addr); in nvme_tcp_create_ctrl()
2591 list_add_tail(&ctrl->list, &nvme_tcp_ctrl_list); in nvme_tcp_create_ctrl()
2594 return &ctrl->ctrl; in nvme_tcp_create_ctrl()
2597 nvme_uninit_ctrl(&ctrl->ctrl); in nvme_tcp_create_ctrl()
2598 nvme_put_ctrl(&ctrl->ctrl); in nvme_tcp_create_ctrl()
2603 kfree(ctrl->queues); in nvme_tcp_create_ctrl()
2605 kfree(ctrl); in nvme_tcp_create_ctrl()
2634 struct nvme_tcp_ctrl *ctrl; in nvme_tcp_cleanup_module() local
2639 list_for_each_entry(ctrl, &nvme_tcp_ctrl_list, list) in nvme_tcp_cleanup_module()
2640 nvme_delete_ctrl(&ctrl->ctrl); in nvme_tcp_cleanup_module()