Lines Matching full:queue
106 struct nvme_tcp_queue *queue; member
207 static int nvme_tcp_try_send(struct nvme_tcp_queue *queue);
214 static inline int nvme_tcp_queue_id(struct nvme_tcp_queue *queue) in nvme_tcp_queue_id() argument
216 return queue - queue->ctrl->queues; in nvme_tcp_queue_id()
233 * Check if the queue is TLS encrypted
235 static inline bool nvme_tcp_queue_tls(struct nvme_tcp_queue *queue) in nvme_tcp_queue_tls() argument
240 return queue->tls_enabled; in nvme_tcp_queue_tls()
254 static inline struct blk_mq_tags *nvme_tcp_tagset(struct nvme_tcp_queue *queue) in nvme_tcp_tagset() argument
256 u32 queue_idx = nvme_tcp_queue_id(queue); in nvme_tcp_tagset()
259 return queue->ctrl->admin_tag_set.tags[queue_idx]; in nvme_tcp_tagset()
260 return queue->ctrl->tag_set.tags[queue_idx - 1]; in nvme_tcp_tagset()
263 static inline u8 nvme_tcp_hdgst_len(struct nvme_tcp_queue *queue) in nvme_tcp_hdgst_len() argument
265 return queue->hdr_digest ? NVME_TCP_DIGEST_LENGTH : 0; in nvme_tcp_hdgst_len()
268 static inline u8 nvme_tcp_ddgst_len(struct nvme_tcp_queue *queue) in nvme_tcp_ddgst_len() argument
270 return queue->data_digest ? NVME_TCP_DIGEST_LENGTH : 0; in nvme_tcp_ddgst_len()
289 return req->queue->cmnd_capsule_len - sizeof(struct nvme_command); in nvme_tcp_inline_data_size()
294 return req == &req->queue->ctrl->async_req; in nvme_tcp_async_req()
383 static inline void nvme_tcp_send_all(struct nvme_tcp_queue *queue) in nvme_tcp_send_all() argument
387 /* drain the send queue as much as we can... */ in nvme_tcp_send_all()
389 ret = nvme_tcp_try_send(queue); in nvme_tcp_send_all()
393 static inline bool nvme_tcp_queue_has_pending(struct nvme_tcp_queue *queue) in nvme_tcp_queue_has_pending() argument
395 return !list_empty(&queue->send_list) || in nvme_tcp_queue_has_pending()
396 !llist_empty(&queue->req_list); in nvme_tcp_queue_has_pending()
399 static inline bool nvme_tcp_queue_more(struct nvme_tcp_queue *queue) in nvme_tcp_queue_more() argument
401 return !nvme_tcp_queue_tls(queue) && in nvme_tcp_queue_more()
402 nvme_tcp_queue_has_pending(queue); in nvme_tcp_queue_more()
408 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_queue_request() local
411 empty = llist_add(&req->lentry, &queue->req_list) && in nvme_tcp_queue_request()
412 list_empty(&queue->send_list) && !queue->request; in nvme_tcp_queue_request()
416 * directly, otherwise queue io_work. Also, only do that if we in nvme_tcp_queue_request()
419 if (queue->io_cpu == raw_smp_processor_id() && in nvme_tcp_queue_request()
420 sync && empty && mutex_trylock(&queue->send_mutex)) { in nvme_tcp_queue_request()
421 nvme_tcp_send_all(queue); in nvme_tcp_queue_request()
422 mutex_unlock(&queue->send_mutex); in nvme_tcp_queue_request()
425 if (last && nvme_tcp_queue_has_pending(queue)) in nvme_tcp_queue_request()
426 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_queue_request()
429 static void nvme_tcp_process_req_list(struct nvme_tcp_queue *queue) in nvme_tcp_process_req_list() argument
434 for (node = llist_del_all(&queue->req_list); node; node = node->next) { in nvme_tcp_process_req_list()
436 list_add(&req->entry, &queue->send_list); in nvme_tcp_process_req_list()
441 nvme_tcp_fetch_request(struct nvme_tcp_queue *queue) in nvme_tcp_fetch_request() argument
445 req = list_first_entry_or_null(&queue->send_list, in nvme_tcp_fetch_request()
448 nvme_tcp_process_req_list(queue); in nvme_tcp_fetch_request()
449 req = list_first_entry_or_null(&queue->send_list, in nvme_tcp_fetch_request()
487 static int nvme_tcp_verify_hdgst(struct nvme_tcp_queue *queue, in nvme_tcp_verify_hdgst() argument
495 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_verify_hdgst()
496 "queue %d: header digest flag is cleared\n", in nvme_tcp_verify_hdgst()
497 nvme_tcp_queue_id(queue)); in nvme_tcp_verify_hdgst()
502 nvme_tcp_hdgst(queue->rcv_hash, pdu, pdu_len); in nvme_tcp_verify_hdgst()
505 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_verify_hdgst()
514 static int nvme_tcp_check_ddgst(struct nvme_tcp_queue *queue, void *pdu) in nvme_tcp_check_ddgst() argument
517 u8 digest_len = nvme_tcp_hdgst_len(queue); in nvme_tcp_check_ddgst()
524 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_check_ddgst()
525 "queue %d: data digest flag is cleared\n", in nvme_tcp_check_ddgst()
526 nvme_tcp_queue_id(queue)); in nvme_tcp_check_ddgst()
529 crypto_ahash_init(queue->rcv_hash); in nvme_tcp_check_ddgst()
550 struct nvme_tcp_queue *queue = &ctrl->queues[queue_idx]; in nvme_tcp_init_request() local
551 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_init_request()
553 req->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_init_request()
560 req->queue = queue; in nvme_tcp_init_request()
571 struct nvme_tcp_queue *queue = &ctrl->queues[hctx_idx + 1]; in nvme_tcp_init_hctx() local
573 hctx->driver_data = queue; in nvme_tcp_init_hctx()
581 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_init_admin_hctx() local
583 hctx->driver_data = queue; in nvme_tcp_init_admin_hctx()
588 nvme_tcp_recv_state(struct nvme_tcp_queue *queue) in nvme_tcp_recv_state() argument
590 return (queue->pdu_remaining) ? NVME_TCP_RECV_PDU : in nvme_tcp_recv_state()
591 (queue->ddgst_remaining) ? NVME_TCP_RECV_DDGST : in nvme_tcp_recv_state()
595 static void nvme_tcp_init_recv_ctx(struct nvme_tcp_queue *queue) in nvme_tcp_init_recv_ctx() argument
597 queue->pdu_remaining = sizeof(struct nvme_tcp_rsp_pdu) + in nvme_tcp_init_recv_ctx()
598 nvme_tcp_hdgst_len(queue); in nvme_tcp_init_recv_ctx()
599 queue->pdu_offset = 0; in nvme_tcp_init_recv_ctx()
600 queue->data_remaining = -1; in nvme_tcp_init_recv_ctx()
601 queue->ddgst_remaining = 0; in nvme_tcp_init_recv_ctx()
613 static int nvme_tcp_process_nvme_cqe(struct nvme_tcp_queue *queue, in nvme_tcp_process_nvme_cqe() argument
619 rq = nvme_find_rq(nvme_tcp_tagset(queue), cqe->command_id); in nvme_tcp_process_nvme_cqe()
621 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_process_nvme_cqe()
622 "got bad cqe.command_id %#x on queue %d\n", in nvme_tcp_process_nvme_cqe()
623 cqe->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_process_nvme_cqe()
624 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_process_nvme_cqe()
634 queue->nr_cqe++; in nvme_tcp_process_nvme_cqe()
639 static int nvme_tcp_handle_c2h_data(struct nvme_tcp_queue *queue, in nvme_tcp_handle_c2h_data() argument
644 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_c2h_data()
646 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
647 "got bad c2hdata.command_id %#x on queue %d\n", in nvme_tcp_handle_c2h_data()
648 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_c2h_data()
653 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
654 "queue %d tag %#x unexpected data\n", in nvme_tcp_handle_c2h_data()
655 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_handle_c2h_data()
659 queue->data_remaining = le32_to_cpu(pdu->data_length); in nvme_tcp_handle_c2h_data()
663 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
664 "queue %d tag %#x SUCCESS set but not last PDU\n", in nvme_tcp_handle_c2h_data()
665 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_handle_c2h_data()
666 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_handle_c2h_data()
673 static int nvme_tcp_handle_comp(struct nvme_tcp_queue *queue, in nvme_tcp_handle_comp() argument
681 * survive any kind of queue freeze and often don't respond to in nvme_tcp_handle_comp()
685 if (unlikely(nvme_is_aen_req(nvme_tcp_queue_id(queue), in nvme_tcp_handle_comp()
687 nvme_complete_async_event(&queue->ctrl->ctrl, cqe->status, in nvme_tcp_handle_comp()
690 ret = nvme_tcp_process_nvme_cqe(queue, cqe); in nvme_tcp_handle_comp()
698 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_setup_h2c_data_pdu() local
701 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_setup_h2c_data_pdu()
702 u8 ddgst = nvme_tcp_ddgst_len(queue); in nvme_tcp_setup_h2c_data_pdu()
706 req->pdu_len = min(req->h2cdata_left, queue->maxh2cdata); in nvme_tcp_setup_h2c_data_pdu()
715 if (queue->hdr_digest) in nvme_tcp_setup_h2c_data_pdu()
717 if (queue->data_digest) in nvme_tcp_setup_h2c_data_pdu()
729 static int nvme_tcp_handle_r2t(struct nvme_tcp_queue *queue, in nvme_tcp_handle_r2t() argument
737 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_r2t()
739 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
740 "got bad r2t.command_id %#x on queue %d\n", in nvme_tcp_handle_r2t()
741 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_r2t()
747 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
754 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
761 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
778 static void nvme_tcp_handle_c2h_term(struct nvme_tcp_queue *queue, in nvme_tcp_handle_c2h_term() argument
796 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_term()
808 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_term()
812 static int nvme_tcp_recv_pdu(struct nvme_tcp_queue *queue, struct sk_buff *skb, in nvme_tcp_recv_pdu() argument
816 char *pdu = queue->pdu; in nvme_tcp_recv_pdu()
817 size_t rcv_len = min_t(size_t, *len, queue->pdu_remaining); in nvme_tcp_recv_pdu()
821 &pdu[queue->pdu_offset], rcv_len); in nvme_tcp_recv_pdu()
825 queue->pdu_remaining -= rcv_len; in nvme_tcp_recv_pdu()
826 queue->pdu_offset += rcv_len; in nvme_tcp_recv_pdu()
829 if (queue->pdu_remaining) in nvme_tcp_recv_pdu()
832 hdr = queue->pdu; in nvme_tcp_recv_pdu()
837 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_pdu()
848 nvme_tcp_handle_c2h_term(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
852 if (queue->hdr_digest) { in nvme_tcp_recv_pdu()
853 ret = nvme_tcp_verify_hdgst(queue, queue->pdu, hdr->hlen); in nvme_tcp_recv_pdu()
859 if (queue->data_digest) { in nvme_tcp_recv_pdu()
860 ret = nvme_tcp_check_ddgst(queue, queue->pdu); in nvme_tcp_recv_pdu()
867 return nvme_tcp_handle_c2h_data(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
869 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_pdu()
870 return nvme_tcp_handle_comp(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
872 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_pdu()
873 return nvme_tcp_handle_r2t(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
879 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_pdu()
892 static int nvme_tcp_recv_data(struct nvme_tcp_queue *queue, struct sk_buff *skb, in nvme_tcp_recv_data() argument
895 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_data()
897 nvme_cid_to_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_recv_data()
903 recv_len = min_t(size_t, *len, queue->data_remaining); in nvme_tcp_recv_data()
915 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_data()
916 "queue %d no space in request %#x", in nvme_tcp_recv_data()
917 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_recv_data()
918 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_data()
928 if (queue->data_digest) in nvme_tcp_recv_data()
930 &req->iter, recv_len, queue->rcv_hash); in nvme_tcp_recv_data()
935 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_data()
936 "queue %d failed to copy request %#x data", in nvme_tcp_recv_data()
937 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_recv_data()
943 queue->data_remaining -= recv_len; in nvme_tcp_recv_data()
946 if (!queue->data_remaining) { in nvme_tcp_recv_data()
947 if (queue->data_digest) { in nvme_tcp_recv_data()
948 nvme_tcp_ddgst_final(queue->rcv_hash, &queue->exp_ddgst); in nvme_tcp_recv_data()
949 queue->ddgst_remaining = NVME_TCP_DIGEST_LENGTH; in nvme_tcp_recv_data()
954 queue->nr_cqe++; in nvme_tcp_recv_data()
956 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_data()
963 static int nvme_tcp_recv_ddgst(struct nvme_tcp_queue *queue, in nvme_tcp_recv_ddgst() argument
966 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_ddgst()
967 char *ddgst = (char *)&queue->recv_ddgst; in nvme_tcp_recv_ddgst()
968 size_t recv_len = min_t(size_t, *len, queue->ddgst_remaining); in nvme_tcp_recv_ddgst()
969 off_t off = NVME_TCP_DIGEST_LENGTH - queue->ddgst_remaining; in nvme_tcp_recv_ddgst()
976 queue->ddgst_remaining -= recv_len; in nvme_tcp_recv_ddgst()
979 if (queue->ddgst_remaining) in nvme_tcp_recv_ddgst()
982 if (queue->recv_ddgst != queue->exp_ddgst) { in nvme_tcp_recv_ddgst()
983 struct request *rq = nvme_cid_to_rq(nvme_tcp_tagset(queue), in nvme_tcp_recv_ddgst()
989 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_ddgst()
991 le32_to_cpu(queue->recv_ddgst), in nvme_tcp_recv_ddgst()
992 le32_to_cpu(queue->exp_ddgst)); in nvme_tcp_recv_ddgst()
996 struct request *rq = nvme_cid_to_rq(nvme_tcp_tagset(queue), in nvme_tcp_recv_ddgst()
1001 queue->nr_cqe++; in nvme_tcp_recv_ddgst()
1004 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_ddgst()
1011 struct nvme_tcp_queue *queue = desc->arg.data; in nvme_tcp_recv_skb() local
1015 if (unlikely(!queue->rd_enabled)) in nvme_tcp_recv_skb()
1019 switch (nvme_tcp_recv_state(queue)) { in nvme_tcp_recv_skb()
1021 result = nvme_tcp_recv_pdu(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
1024 result = nvme_tcp_recv_data(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
1027 result = nvme_tcp_recv_ddgst(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
1033 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_skb()
1035 queue->rd_enabled = false; in nvme_tcp_recv_skb()
1036 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_recv_skb()
1046 struct nvme_tcp_queue *queue; in nvme_tcp_data_ready() local
1051 queue = sk->sk_user_data; in nvme_tcp_data_ready()
1052 if (likely(queue && queue->rd_enabled) && in nvme_tcp_data_ready()
1053 !test_bit(NVME_TCP_Q_POLLING, &queue->flags)) in nvme_tcp_data_ready()
1054 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_data_ready()
1060 struct nvme_tcp_queue *queue; in nvme_tcp_write_space() local
1063 queue = sk->sk_user_data; in nvme_tcp_write_space()
1064 if (likely(queue && sk_stream_is_writeable(sk))) { in nvme_tcp_write_space()
1066 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_write_space()
1073 struct nvme_tcp_queue *queue; in nvme_tcp_state_change() local
1076 queue = sk->sk_user_data; in nvme_tcp_state_change()
1077 if (!queue) in nvme_tcp_state_change()
1086 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_state_change()
1089 dev_info(queue->ctrl->ctrl.device, in nvme_tcp_state_change()
1090 "queue %d socket state %d\n", in nvme_tcp_state_change()
1091 nvme_tcp_queue_id(queue), sk->sk_state); in nvme_tcp_state_change()
1094 queue->state_change(sk); in nvme_tcp_state_change()
1099 static inline void nvme_tcp_done_send_req(struct nvme_tcp_queue *queue) in nvme_tcp_done_send_req() argument
1101 queue->request = NULL; in nvme_tcp_done_send_req()
1109 nvme_complete_async_event(&req->queue->ctrl->ctrl, in nvme_tcp_fail_request()
1119 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_data() local
1135 if (last && !queue->data_digest && !nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_data()
1145 ret = sock_sendmsg(queue->sock, &msg); in nvme_tcp_try_send_data()
1149 if (queue->data_digest) in nvme_tcp_try_send_data()
1150 nvme_tcp_ddgst_update(queue->snd_hash, page, in nvme_tcp_try_send_data()
1163 if (queue->data_digest) { in nvme_tcp_try_send_data()
1164 nvme_tcp_ddgst_final(queue->snd_hash, in nvme_tcp_try_send_data()
1172 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_data()
1182 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_cmd_pdu() local
1187 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_try_send_cmd_pdu()
1191 if (inline_data || nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_cmd_pdu()
1196 if (queue->hdr_digest && !req->offset) in nvme_tcp_try_send_cmd_pdu()
1197 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_cmd_pdu()
1201 ret = sock_sendmsg(queue->sock, &msg); in nvme_tcp_try_send_cmd_pdu()
1209 if (queue->data_digest) in nvme_tcp_try_send_cmd_pdu()
1210 crypto_ahash_init(queue->snd_hash); in nvme_tcp_try_send_cmd_pdu()
1212 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_cmd_pdu()
1223 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_data_pdu() local
1227 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_try_send_data_pdu()
1231 if (queue->hdr_digest && !req->offset) in nvme_tcp_try_send_data_pdu()
1232 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_data_pdu()
1239 ret = sock_sendmsg(queue->sock, &msg); in nvme_tcp_try_send_data_pdu()
1246 if (queue->data_digest) in nvme_tcp_try_send_data_pdu()
1247 crypto_ahash_init(queue->snd_hash); in nvme_tcp_try_send_data_pdu()
1257 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_ddgst() local
1267 if (nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_ddgst()
1272 ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len); in nvme_tcp_try_send_ddgst()
1280 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_ddgst()
1288 static int nvme_tcp_try_send(struct nvme_tcp_queue *queue) in nvme_tcp_try_send() argument
1294 if (!queue->request) { in nvme_tcp_try_send()
1295 queue->request = nvme_tcp_fetch_request(queue); in nvme_tcp_try_send()
1296 if (!queue->request) in nvme_tcp_try_send()
1299 req = queue->request; in nvme_tcp_try_send()
1328 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_try_send()
1330 nvme_tcp_fail_request(queue->request); in nvme_tcp_try_send()
1331 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send()
1338 static int nvme_tcp_try_recv(struct nvme_tcp_queue *queue) in nvme_tcp_try_recv() argument
1340 struct socket *sock = queue->sock; in nvme_tcp_try_recv()
1345 rd_desc.arg.data = queue; in nvme_tcp_try_recv()
1348 queue->nr_cqe = 0; in nvme_tcp_try_recv()
1356 struct nvme_tcp_queue *queue = in nvme_tcp_io_work() local
1364 if (mutex_trylock(&queue->send_mutex)) { in nvme_tcp_io_work()
1365 result = nvme_tcp_try_send(queue); in nvme_tcp_io_work()
1366 mutex_unlock(&queue->send_mutex); in nvme_tcp_io_work()
1373 result = nvme_tcp_try_recv(queue); in nvme_tcp_io_work()
1379 if (!pending || !queue->rd_enabled) in nvme_tcp_io_work()
1384 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_io_work()
1387 static void nvme_tcp_free_crypto(struct nvme_tcp_queue *queue) in nvme_tcp_free_crypto() argument
1389 struct crypto_ahash *tfm = crypto_ahash_reqtfm(queue->rcv_hash); in nvme_tcp_free_crypto()
1391 ahash_request_free(queue->rcv_hash); in nvme_tcp_free_crypto()
1392 ahash_request_free(queue->snd_hash); in nvme_tcp_free_crypto()
1396 static int nvme_tcp_alloc_crypto(struct nvme_tcp_queue *queue) in nvme_tcp_alloc_crypto() argument
1404 queue->snd_hash = ahash_request_alloc(tfm, GFP_KERNEL); in nvme_tcp_alloc_crypto()
1405 if (!queue->snd_hash) in nvme_tcp_alloc_crypto()
1407 ahash_request_set_callback(queue->snd_hash, 0, NULL, NULL); in nvme_tcp_alloc_crypto()
1409 queue->rcv_hash = ahash_request_alloc(tfm, GFP_KERNEL); in nvme_tcp_alloc_crypto()
1410 if (!queue->rcv_hash) in nvme_tcp_alloc_crypto()
1412 ahash_request_set_callback(queue->rcv_hash, 0, NULL, NULL); in nvme_tcp_alloc_crypto()
1416 ahash_request_free(queue->snd_hash); in nvme_tcp_alloc_crypto()
1431 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_alloc_async_req() local
1433 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_alloc_async_req()
1435 async->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_alloc_async_req()
1441 async->queue = &ctrl->queues[0]; in nvme_tcp_alloc_async_req()
1448 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_free_queue() local
1451 if (!test_and_clear_bit(NVME_TCP_Q_ALLOCATED, &queue->flags)) in nvme_tcp_free_queue()
1454 if (queue->hdr_digest || queue->data_digest) in nvme_tcp_free_queue()
1455 nvme_tcp_free_crypto(queue); in nvme_tcp_free_queue()
1457 page_frag_cache_drain(&queue->pf_cache); in nvme_tcp_free_queue()
1461 fput(queue->sock->file); in nvme_tcp_free_queue()
1462 queue->sock = NULL; in nvme_tcp_free_queue()
1465 kfree(queue->pdu); in nvme_tcp_free_queue()
1466 mutex_destroy(&queue->send_mutex); in nvme_tcp_free_queue()
1467 mutex_destroy(&queue->queue_lock); in nvme_tcp_free_queue()
1470 static int nvme_tcp_init_connection(struct nvme_tcp_queue *queue) in nvme_tcp_init_connection() argument
1499 if (queue->hdr_digest) in nvme_tcp_init_connection()
1501 if (queue->data_digest) in nvme_tcp_init_connection()
1506 ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len); in nvme_tcp_init_connection()
1508 pr_warn("queue %d: failed to send icreq, error %d\n", in nvme_tcp_init_connection()
1509 nvme_tcp_queue_id(queue), ret); in nvme_tcp_init_connection()
1516 if (nvme_tcp_queue_tls(queue)) { in nvme_tcp_init_connection()
1521 ret = kernel_recvmsg(queue->sock, &msg, &iov, 1, in nvme_tcp_init_connection()
1526 pr_warn("queue %d: failed to receive icresp, error %d\n", in nvme_tcp_init_connection()
1527 nvme_tcp_queue_id(queue), ret); in nvme_tcp_init_connection()
1531 if (nvme_tcp_queue_tls(queue)) { in nvme_tcp_init_connection()
1532 ctype = tls_get_record_type(queue->sock->sk, in nvme_tcp_init_connection()
1535 pr_err("queue %d: unhandled TLS record %d\n", in nvme_tcp_init_connection()
1536 nvme_tcp_queue_id(queue), ctype); in nvme_tcp_init_connection()
1542 pr_err("queue %d: bad type returned %d\n", in nvme_tcp_init_connection()
1543 nvme_tcp_queue_id(queue), icresp->hdr.type); in nvme_tcp_init_connection()
1548 pr_err("queue %d: bad pdu length returned %d\n", in nvme_tcp_init_connection()
1549 nvme_tcp_queue_id(queue), icresp->hdr.plen); in nvme_tcp_init_connection()
1554 pr_err("queue %d: bad pfv returned %d\n", in nvme_tcp_init_connection()
1555 nvme_tcp_queue_id(queue), icresp->pfv); in nvme_tcp_init_connection()
1560 if ((queue->data_digest && !ctrl_ddgst) || in nvme_tcp_init_connection()
1561 (!queue->data_digest && ctrl_ddgst)) { in nvme_tcp_init_connection()
1562 pr_err("queue %d: data digest mismatch host: %s ctrl: %s\n", in nvme_tcp_init_connection()
1563 nvme_tcp_queue_id(queue), in nvme_tcp_init_connection()
1564 queue->data_digest ? "enabled" : "disabled", in nvme_tcp_init_connection()
1570 if ((queue->hdr_digest && !ctrl_hdgst) || in nvme_tcp_init_connection()
1571 (!queue->hdr_digest && ctrl_hdgst)) { in nvme_tcp_init_connection()
1572 pr_err("queue %d: header digest mismatch host: %s ctrl: %s\n", in nvme_tcp_init_connection()
1573 nvme_tcp_queue_id(queue), in nvme_tcp_init_connection()
1574 queue->hdr_digest ? "enabled" : "disabled", in nvme_tcp_init_connection()
1580 pr_err("queue %d: unsupported cpda returned %d\n", in nvme_tcp_init_connection()
1581 nvme_tcp_queue_id(queue), icresp->cpda); in nvme_tcp_init_connection()
1587 pr_err("queue %d: invalid maxh2cdata returned %u\n", in nvme_tcp_init_connection()
1588 nvme_tcp_queue_id(queue), maxh2cdata); in nvme_tcp_init_connection()
1591 queue->maxh2cdata = maxh2cdata; in nvme_tcp_init_connection()
1601 static bool nvme_tcp_admin_queue(struct nvme_tcp_queue *queue) in nvme_tcp_admin_queue() argument
1603 return nvme_tcp_queue_id(queue) == 0; in nvme_tcp_admin_queue()
1606 static bool nvme_tcp_default_queue(struct nvme_tcp_queue *queue) in nvme_tcp_default_queue() argument
1608 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_default_queue()
1609 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_default_queue()
1611 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_default_queue()
1615 static bool nvme_tcp_read_queue(struct nvme_tcp_queue *queue) in nvme_tcp_read_queue() argument
1617 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_read_queue()
1618 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_read_queue()
1620 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_read_queue()
1621 !nvme_tcp_default_queue(queue) && in nvme_tcp_read_queue()
1626 static bool nvme_tcp_poll_queue(struct nvme_tcp_queue *queue) in nvme_tcp_poll_queue() argument
1628 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_poll_queue()
1629 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_poll_queue()
1631 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_poll_queue()
1632 !nvme_tcp_default_queue(queue) && in nvme_tcp_poll_queue()
1633 !nvme_tcp_read_queue(queue) && in nvme_tcp_poll_queue()
1648 static void nvme_tcp_set_queue_io_cpu(struct nvme_tcp_queue *queue) in nvme_tcp_set_queue_io_cpu() argument
1650 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_set_queue_io_cpu()
1652 int qid = nvme_tcp_queue_id(queue) - 1; in nvme_tcp_set_queue_io_cpu()
1659 if (nvme_tcp_default_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1661 else if (nvme_tcp_read_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1663 else if (nvme_tcp_poll_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1682 queue->io_cpu = io_cpu; in nvme_tcp_set_queue_io_cpu()
1684 set_bit(NVME_TCP_Q_IO_CPU_SET, &queue->flags); in nvme_tcp_set_queue_io_cpu()
1687 dev_dbg(ctrl->ctrl.device, "queue %d: using cpu %d\n", in nvme_tcp_set_queue_io_cpu()
1688 qid, queue->io_cpu); in nvme_tcp_set_queue_io_cpu()
1693 struct nvme_tcp_queue *queue = data; in nvme_tcp_tls_done() local
1694 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_tls_done()
1695 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_tls_done()
1698 dev_dbg(ctrl->ctrl.device, "queue %d: TLS handshake done, key %x, status %d\n", in nvme_tcp_tls_done()
1702 queue->tls_err = -status; in nvme_tcp_tls_done()
1708 dev_warn(ctrl->ctrl.device, "queue %d: Invalid key %x\n", in nvme_tcp_tls_done()
1710 queue->tls_err = -ENOKEY; in nvme_tcp_tls_done()
1712 queue->tls_enabled = true; in nvme_tcp_tls_done()
1716 queue->tls_err = 0; in nvme_tcp_tls_done()
1720 complete(&queue->tls_complete); in nvme_tcp_tls_done()
1724 struct nvme_tcp_queue *queue, in nvme_tcp_start_tls() argument
1727 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_start_tls()
1733 dev_dbg(nctrl->device, "queue %d: start TLS with key %x\n", in nvme_tcp_start_tls()
1736 args.ta_sock = queue->sock; in nvme_tcp_start_tls()
1738 args.ta_data = queue; in nvme_tcp_start_tls()
1745 queue->tls_err = -EOPNOTSUPP; in nvme_tcp_start_tls()
1746 init_completion(&queue->tls_complete); in nvme_tcp_start_tls()
1749 dev_err(nctrl->device, "queue %d: failed to start TLS: %d\n", in nvme_tcp_start_tls()
1753 ret = wait_for_completion_interruptible_timeout(&queue->tls_complete, tmo); in nvme_tcp_start_tls()
1759 "queue %d: TLS handshake failed, error %d\n", in nvme_tcp_start_tls()
1761 tls_handshake_cancel(queue->sock->sk); in nvme_tcp_start_tls()
1764 "queue %d: TLS handshake complete, error %d\n", in nvme_tcp_start_tls()
1765 qid, queue->tls_err); in nvme_tcp_start_tls()
1766 ret = queue->tls_err; in nvme_tcp_start_tls()
1775 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_alloc_queue() local
1779 mutex_init(&queue->queue_lock); in nvme_tcp_alloc_queue()
1780 queue->ctrl = ctrl; in nvme_tcp_alloc_queue()
1781 init_llist_head(&queue->req_list); in nvme_tcp_alloc_queue()
1782 INIT_LIST_HEAD(&queue->send_list); in nvme_tcp_alloc_queue()
1783 mutex_init(&queue->send_mutex); in nvme_tcp_alloc_queue()
1784 INIT_WORK(&queue->io_work, nvme_tcp_io_work); in nvme_tcp_alloc_queue()
1787 queue->cmnd_capsule_len = nctrl->ioccsz * 16; in nvme_tcp_alloc_queue()
1789 queue->cmnd_capsule_len = sizeof(struct nvme_command) + in nvme_tcp_alloc_queue()
1794 IPPROTO_TCP, &queue->sock); in nvme_tcp_alloc_queue()
1801 sock_file = sock_alloc_file(queue->sock, O_CLOEXEC, NULL); in nvme_tcp_alloc_queue()
1807 sk_net_refcnt_upgrade(queue->sock->sk); in nvme_tcp_alloc_queue()
1808 nvme_tcp_reclassify_socket(queue->sock); in nvme_tcp_alloc_queue()
1811 tcp_sock_set_syncnt(queue->sock->sk, 1); in nvme_tcp_alloc_queue()
1814 tcp_sock_set_nodelay(queue->sock->sk); in nvme_tcp_alloc_queue()
1817 * Cleanup whatever is sitting in the TCP transmit queue on socket in nvme_tcp_alloc_queue()
1821 sock_no_linger(queue->sock->sk); in nvme_tcp_alloc_queue()
1824 sock_set_priority(queue->sock->sk, so_priority); in nvme_tcp_alloc_queue()
1828 ip_sock_set_tos(queue->sock->sk, nctrl->opts->tos); in nvme_tcp_alloc_queue()
1831 queue->sock->sk->sk_rcvtimeo = 10 * HZ; in nvme_tcp_alloc_queue()
1833 queue->sock->sk->sk_allocation = GFP_ATOMIC; in nvme_tcp_alloc_queue()
1834 queue->sock->sk->sk_use_task_frag = false; in nvme_tcp_alloc_queue()
1835 queue->io_cpu = WORK_CPU_UNBOUND; in nvme_tcp_alloc_queue()
1836 queue->request = NULL; in nvme_tcp_alloc_queue()
1837 queue->data_remaining = 0; in nvme_tcp_alloc_queue()
1838 queue->ddgst_remaining = 0; in nvme_tcp_alloc_queue()
1839 queue->pdu_remaining = 0; in nvme_tcp_alloc_queue()
1840 queue->pdu_offset = 0; in nvme_tcp_alloc_queue()
1841 sk_set_memalloc(queue->sock->sk); in nvme_tcp_alloc_queue()
1844 ret = kernel_bind(queue->sock, (struct sockaddr *)&ctrl->src_addr, in nvme_tcp_alloc_queue()
1848 "failed to bind queue %d socket %d\n", in nvme_tcp_alloc_queue()
1858 ret = sock_setsockopt(queue->sock, SOL_SOCKET, SO_BINDTODEVICE, in nvme_tcp_alloc_queue()
1862 "failed to bind to interface %s queue %d err %d\n", in nvme_tcp_alloc_queue()
1868 queue->hdr_digest = nctrl->opts->hdr_digest; in nvme_tcp_alloc_queue()
1869 queue->data_digest = nctrl->opts->data_digest; in nvme_tcp_alloc_queue()
1870 if (queue->hdr_digest || queue->data_digest) { in nvme_tcp_alloc_queue()
1871 ret = nvme_tcp_alloc_crypto(queue); in nvme_tcp_alloc_queue()
1874 "failed to allocate queue %d crypto\n", qid); in nvme_tcp_alloc_queue()
1880 nvme_tcp_hdgst_len(queue); in nvme_tcp_alloc_queue()
1881 queue->pdu = kmalloc(rcv_pdu_size, GFP_KERNEL); in nvme_tcp_alloc_queue()
1882 if (!queue->pdu) { in nvme_tcp_alloc_queue()
1887 dev_dbg(nctrl->device, "connecting queue %d\n", in nvme_tcp_alloc_queue()
1888 nvme_tcp_queue_id(queue)); in nvme_tcp_alloc_queue()
1890 ret = kernel_connect(queue->sock, (struct sockaddr *)&ctrl->addr, in nvme_tcp_alloc_queue()
1900 ret = nvme_tcp_start_tls(nctrl, queue, pskid); in nvme_tcp_alloc_queue()
1905 ret = nvme_tcp_init_connection(queue); in nvme_tcp_alloc_queue()
1909 set_bit(NVME_TCP_Q_ALLOCATED, &queue->flags); in nvme_tcp_alloc_queue()
1914 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in nvme_tcp_alloc_queue()
1916 kfree(queue->pdu); in nvme_tcp_alloc_queue()
1918 if (queue->hdr_digest || queue->data_digest) in nvme_tcp_alloc_queue()
1919 nvme_tcp_free_crypto(queue); in nvme_tcp_alloc_queue()
1922 fput(queue->sock->file); in nvme_tcp_alloc_queue()
1923 queue->sock = NULL; in nvme_tcp_alloc_queue()
1925 mutex_destroy(&queue->send_mutex); in nvme_tcp_alloc_queue()
1926 mutex_destroy(&queue->queue_lock); in nvme_tcp_alloc_queue()
1930 static void nvme_tcp_restore_sock_ops(struct nvme_tcp_queue *queue) in nvme_tcp_restore_sock_ops() argument
1932 struct socket *sock = queue->sock; in nvme_tcp_restore_sock_ops()
1936 sock->sk->sk_data_ready = queue->data_ready; in nvme_tcp_restore_sock_ops()
1937 sock->sk->sk_state_change = queue->state_change; in nvme_tcp_restore_sock_ops()
1938 sock->sk->sk_write_space = queue->write_space; in nvme_tcp_restore_sock_ops()
1942 static void __nvme_tcp_stop_queue(struct nvme_tcp_queue *queue) in __nvme_tcp_stop_queue() argument
1944 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in __nvme_tcp_stop_queue()
1945 nvme_tcp_restore_sock_ops(queue); in __nvme_tcp_stop_queue()
1946 cancel_work_sync(&queue->io_work); in __nvme_tcp_stop_queue()
1952 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_stop_queue_nowait() local
1954 if (!test_bit(NVME_TCP_Q_ALLOCATED, &queue->flags)) in nvme_tcp_stop_queue_nowait()
1957 if (test_and_clear_bit(NVME_TCP_Q_IO_CPU_SET, &queue->flags)) in nvme_tcp_stop_queue_nowait()
1958 atomic_dec(&nvme_tcp_cpu_queues[queue->io_cpu]); in nvme_tcp_stop_queue_nowait()
1960 mutex_lock(&queue->queue_lock); in nvme_tcp_stop_queue_nowait()
1961 if (test_and_clear_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_stop_queue_nowait()
1962 __nvme_tcp_stop_queue(queue); in nvme_tcp_stop_queue_nowait()
1963 /* Stopping the queue will disable TLS */ in nvme_tcp_stop_queue_nowait()
1964 queue->tls_enabled = false; in nvme_tcp_stop_queue_nowait()
1965 mutex_unlock(&queue->queue_lock); in nvme_tcp_stop_queue_nowait()
1971 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_wait_queue() local
1975 if (!test_bit(NVME_TCP_Q_ALLOCATED, &queue->flags) || in nvme_tcp_wait_queue()
1976 !sk_wmem_alloc_get(queue->sock->sk)) in nvme_tcp_wait_queue()
1993 static void nvme_tcp_setup_sock_ops(struct nvme_tcp_queue *queue) in nvme_tcp_setup_sock_ops() argument
1995 write_lock_bh(&queue->sock->sk->sk_callback_lock); in nvme_tcp_setup_sock_ops()
1996 queue->sock->sk->sk_user_data = queue; in nvme_tcp_setup_sock_ops()
1997 queue->state_change = queue->sock->sk->sk_state_change; in nvme_tcp_setup_sock_ops()
1998 queue->data_ready = queue->sock->sk->sk_data_ready; in nvme_tcp_setup_sock_ops()
1999 queue->write_space = queue->sock->sk->sk_write_space; in nvme_tcp_setup_sock_ops()
2000 queue->sock->sk->sk_data_ready = nvme_tcp_data_ready; in nvme_tcp_setup_sock_ops()
2001 queue->sock->sk->sk_state_change = nvme_tcp_state_change; in nvme_tcp_setup_sock_ops()
2002 queue->sock->sk->sk_write_space = nvme_tcp_write_space; in nvme_tcp_setup_sock_ops()
2004 queue->sock->sk->sk_ll_usec = 1; in nvme_tcp_setup_sock_ops()
2006 write_unlock_bh(&queue->sock->sk->sk_callback_lock); in nvme_tcp_setup_sock_ops()
2012 struct nvme_tcp_queue *queue = &ctrl->queues[idx]; in nvme_tcp_start_queue() local
2015 queue->rd_enabled = true; in nvme_tcp_start_queue()
2016 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_start_queue()
2017 nvme_tcp_setup_sock_ops(queue); in nvme_tcp_start_queue()
2020 nvme_tcp_set_queue_io_cpu(queue); in nvme_tcp_start_queue()
2026 set_bit(NVME_TCP_Q_LIVE, &queue->flags); in nvme_tcp_start_queue()
2028 if (test_bit(NVME_TCP_Q_ALLOCATED, &queue->flags)) in nvme_tcp_start_queue()
2029 __nvme_tcp_stop_queue(queue); in nvme_tcp_start_queue()
2031 "failed to connect queue: %d ret=%d\n", idx, ret); in nvme_tcp_start_queue()
2204 * queue number might have changed. in nvme_tcp_configure_io_queues()
2360 * completed on the admin queue. We need to revoke the key when:
2390 dev_dbg(ctrl->device, "restart admin queue for secure concatenation\n"); in nvme_tcp_setup_ctrl()
2594 static void nvme_tcp_set_sg_inline(struct nvme_tcp_queue *queue, in nvme_tcp_set_sg_inline() argument
2599 sg->addr = cpu_to_le64(queue->ctrl->ctrl.icdoff); in nvme_tcp_set_sg_inline()
2618 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_submit_async_event() local
2621 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_submit_async_event()
2625 if (queue->hdr_digest) in nvme_tcp_submit_async_event()
2646 struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; in nvme_tcp_complete_timed_out()
2648 nvme_tcp_stop_queue(ctrl, nvme_tcp_queue_id(req->queue)); in nvme_tcp_complete_timed_out()
2655 struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; in nvme_tcp_timeout()
2658 int qid = nvme_tcp_queue_id(req->queue); in nvme_tcp_timeout()
2691 static blk_status_t nvme_tcp_map_data(struct nvme_tcp_queue *queue, in nvme_tcp_map_data() argument
2704 nvme_tcp_set_sg_inline(queue, c, req->data_len); in nvme_tcp_map_data()
2716 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_setup_cmd_pdu() local
2717 u8 hdgst = nvme_tcp_hdgst_len(queue), ddgst = 0; in nvme_tcp_setup_cmd_pdu()
2743 if (queue->hdr_digest) in nvme_tcp_setup_cmd_pdu()
2745 if (queue->data_digest && req->pdu_len) { in nvme_tcp_setup_cmd_pdu()
2747 ddgst = nvme_tcp_ddgst_len(queue); in nvme_tcp_setup_cmd_pdu()
2754 ret = nvme_tcp_map_data(queue, rq); in nvme_tcp_setup_cmd_pdu()
2757 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_cmd_pdu()
2767 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_commit_rqs() local
2769 if (!llist_empty(&queue->req_list)) in nvme_tcp_commit_rqs()
2770 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_commit_rqs()
2776 struct nvme_ns *ns = hctx->queue->queuedata; in nvme_tcp_queue_rq()
2777 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_queue_rq() local
2780 bool queue_ready = test_bit(NVME_TCP_Q_LIVE, &queue->flags); in nvme_tcp_queue_rq()
2783 if (!nvme_check_ready(&queue->ctrl->ctrl, rq, queue_ready)) in nvme_tcp_queue_rq()
2784 return nvme_fail_nonready_command(&queue->ctrl->ctrl, rq); in nvme_tcp_queue_rq()
2806 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_poll() local
2807 struct sock *sk = queue->sock->sk; in nvme_tcp_poll()
2810 if (!test_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_poll()
2813 set_bit(NVME_TCP_Q_POLLING, &queue->flags); in nvme_tcp_poll()
2816 ret = nvme_tcp_try_recv(queue); in nvme_tcp_poll()
2817 clear_bit(NVME_TCP_Q_POLLING, &queue->flags); in nvme_tcp_poll()
2818 return ret < 0 ? ret : queue->nr_cqe; in nvme_tcp_poll()
2823 struct nvme_tcp_queue *queue = &to_tcp_ctrl(ctrl)->queues[0]; in nvme_tcp_get_address() local
2829 if (!test_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_get_address()
2832 mutex_lock(&queue->queue_lock); in nvme_tcp_get_address()
2834 ret = kernel_getsockname(queue->sock, (struct sockaddr *)&src_addr); in nvme_tcp_get_address()
2842 mutex_unlock(&queue->queue_lock); in nvme_tcp_get_address()