Lines Matching full:queue
81 struct nvme_tcp_queue *queue; member
176 static int nvme_tcp_try_send(struct nvme_tcp_queue *queue);
183 static inline int nvme_tcp_queue_id(struct nvme_tcp_queue *queue) in nvme_tcp_queue_id() argument
185 return queue - queue->ctrl->queues; in nvme_tcp_queue_id()
188 static inline struct blk_mq_tags *nvme_tcp_tagset(struct nvme_tcp_queue *queue) in nvme_tcp_tagset() argument
190 u32 queue_idx = nvme_tcp_queue_id(queue); in nvme_tcp_tagset()
193 return queue->ctrl->admin_tag_set.tags[queue_idx]; in nvme_tcp_tagset()
194 return queue->ctrl->tag_set.tags[queue_idx - 1]; in nvme_tcp_tagset()
197 static inline u8 nvme_tcp_hdgst_len(struct nvme_tcp_queue *queue) in nvme_tcp_hdgst_len() argument
199 return queue->hdr_digest ? NVME_TCP_DIGEST_LENGTH : 0; in nvme_tcp_hdgst_len()
202 static inline u8 nvme_tcp_ddgst_len(struct nvme_tcp_queue *queue) in nvme_tcp_ddgst_len() argument
204 return queue->data_digest ? NVME_TCP_DIGEST_LENGTH : 0; in nvme_tcp_ddgst_len()
207 static inline size_t nvme_tcp_inline_data_size(struct nvme_tcp_queue *queue) in nvme_tcp_inline_data_size() argument
209 return queue->cmnd_capsule_len - sizeof(struct nvme_command); in nvme_tcp_inline_data_size()
214 return req == &req->queue->ctrl->async_req; in nvme_tcp_async_req()
227 req->data_len <= nvme_tcp_inline_data_size(req->queue); in nvme_tcp_has_inline_data()
303 static inline void nvme_tcp_send_all(struct nvme_tcp_queue *queue) in nvme_tcp_send_all() argument
307 /* drain the send queue as much as we can... */ in nvme_tcp_send_all()
309 ret = nvme_tcp_try_send(queue); in nvme_tcp_send_all()
313 static inline bool nvme_tcp_queue_more(struct nvme_tcp_queue *queue) in nvme_tcp_queue_more() argument
315 return !list_empty(&queue->send_list) || in nvme_tcp_queue_more()
316 !llist_empty(&queue->req_list); in nvme_tcp_queue_more()
322 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_queue_request() local
325 empty = llist_add(&req->lentry, &queue->req_list) && in nvme_tcp_queue_request()
326 list_empty(&queue->send_list) && !queue->request; in nvme_tcp_queue_request()
330 * directly, otherwise queue io_work. Also, only do that if we in nvme_tcp_queue_request()
333 if (queue->io_cpu == raw_smp_processor_id() && in nvme_tcp_queue_request()
334 sync && empty && mutex_trylock(&queue->send_mutex)) { in nvme_tcp_queue_request()
335 nvme_tcp_send_all(queue); in nvme_tcp_queue_request()
336 mutex_unlock(&queue->send_mutex); in nvme_tcp_queue_request()
339 if (last && nvme_tcp_queue_more(queue)) in nvme_tcp_queue_request()
340 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_queue_request()
343 static void nvme_tcp_process_req_list(struct nvme_tcp_queue *queue) in nvme_tcp_process_req_list() argument
348 for (node = llist_del_all(&queue->req_list); node; node = node->next) { in nvme_tcp_process_req_list()
350 list_add(&req->entry, &queue->send_list); in nvme_tcp_process_req_list()
355 nvme_tcp_fetch_request(struct nvme_tcp_queue *queue) in nvme_tcp_fetch_request() argument
359 req = list_first_entry_or_null(&queue->send_list, in nvme_tcp_fetch_request()
362 nvme_tcp_process_req_list(queue); in nvme_tcp_fetch_request()
363 req = list_first_entry_or_null(&queue->send_list, in nvme_tcp_fetch_request()
401 static int nvme_tcp_verify_hdgst(struct nvme_tcp_queue *queue, in nvme_tcp_verify_hdgst() argument
409 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_verify_hdgst()
410 "queue %d: header digest flag is cleared\n", in nvme_tcp_verify_hdgst()
411 nvme_tcp_queue_id(queue)); in nvme_tcp_verify_hdgst()
416 nvme_tcp_hdgst(queue->rcv_hash, pdu, pdu_len); in nvme_tcp_verify_hdgst()
419 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_verify_hdgst()
428 static int nvme_tcp_check_ddgst(struct nvme_tcp_queue *queue, void *pdu) in nvme_tcp_check_ddgst() argument
431 u8 digest_len = nvme_tcp_hdgst_len(queue); in nvme_tcp_check_ddgst()
438 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_check_ddgst()
439 "queue %d: data digest flag is cleared\n", in nvme_tcp_check_ddgst()
440 nvme_tcp_queue_id(queue)); in nvme_tcp_check_ddgst()
443 crypto_ahash_init(queue->rcv_hash); in nvme_tcp_check_ddgst()
463 struct nvme_tcp_queue *queue = &ctrl->queues[queue_idx]; in nvme_tcp_init_request() local
464 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_init_request()
466 req->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_init_request()
472 req->queue = queue; in nvme_tcp_init_request()
482 struct nvme_tcp_queue *queue = &ctrl->queues[hctx_idx + 1]; in nvme_tcp_init_hctx() local
484 hctx->driver_data = queue; in nvme_tcp_init_hctx()
492 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_init_admin_hctx() local
494 hctx->driver_data = queue; in nvme_tcp_init_admin_hctx()
499 nvme_tcp_recv_state(struct nvme_tcp_queue *queue) in nvme_tcp_recv_state() argument
501 return (queue->pdu_remaining) ? NVME_TCP_RECV_PDU : in nvme_tcp_recv_state()
502 (queue->ddgst_remaining) ? NVME_TCP_RECV_DDGST : in nvme_tcp_recv_state()
506 static void nvme_tcp_init_recv_ctx(struct nvme_tcp_queue *queue) in nvme_tcp_init_recv_ctx() argument
508 queue->pdu_remaining = sizeof(struct nvme_tcp_rsp_pdu) + in nvme_tcp_init_recv_ctx()
509 nvme_tcp_hdgst_len(queue); in nvme_tcp_init_recv_ctx()
510 queue->pdu_offset = 0; in nvme_tcp_init_recv_ctx()
511 queue->data_remaining = -1; in nvme_tcp_init_recv_ctx()
512 queue->ddgst_remaining = 0; in nvme_tcp_init_recv_ctx()
524 static int nvme_tcp_process_nvme_cqe(struct nvme_tcp_queue *queue, in nvme_tcp_process_nvme_cqe() argument
529 rq = nvme_find_rq(nvme_tcp_tagset(queue), cqe->command_id); in nvme_tcp_process_nvme_cqe()
531 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_process_nvme_cqe()
532 "got bad cqe.command_id %#x on queue %d\n", in nvme_tcp_process_nvme_cqe()
533 cqe->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_process_nvme_cqe()
534 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_process_nvme_cqe()
540 queue->nr_cqe++; in nvme_tcp_process_nvme_cqe()
545 static int nvme_tcp_handle_c2h_data(struct nvme_tcp_queue *queue, in nvme_tcp_handle_c2h_data() argument
550 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_c2h_data()
552 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
553 "got bad c2hdata.command_id %#x on queue %d\n", in nvme_tcp_handle_c2h_data()
554 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_c2h_data()
559 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
560 "queue %d tag %#x unexpected data\n", in nvme_tcp_handle_c2h_data()
561 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_handle_c2h_data()
565 queue->data_remaining = le32_to_cpu(pdu->data_length); in nvme_tcp_handle_c2h_data()
569 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
570 "queue %d tag %#x SUCCESS set but not last PDU\n", in nvme_tcp_handle_c2h_data()
571 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_handle_c2h_data()
572 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_handle_c2h_data()
579 static int nvme_tcp_handle_comp(struct nvme_tcp_queue *queue, in nvme_tcp_handle_comp() argument
587 * survive any kind of queue freeze and often don't respond to in nvme_tcp_handle_comp()
591 if (unlikely(nvme_is_aen_req(nvme_tcp_queue_id(queue), in nvme_tcp_handle_comp()
593 nvme_complete_async_event(&queue->ctrl->ctrl, cqe->status, in nvme_tcp_handle_comp()
596 ret = nvme_tcp_process_nvme_cqe(queue, cqe); in nvme_tcp_handle_comp()
605 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_setup_h2c_data_pdu() local
607 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_setup_h2c_data_pdu()
608 u8 ddgst = nvme_tcp_ddgst_len(queue); in nvme_tcp_setup_h2c_data_pdu()
614 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_h2c_data_pdu()
621 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_h2c_data_pdu()
629 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_h2c_data_pdu()
639 if (queue->hdr_digest) in nvme_tcp_setup_h2c_data_pdu()
641 if (queue->data_digest) in nvme_tcp_setup_h2c_data_pdu()
654 static int nvme_tcp_handle_r2t(struct nvme_tcp_queue *queue, in nvme_tcp_handle_r2t() argument
661 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_r2t()
663 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
664 "got bad r2t.command_id %#x on queue %d\n", in nvme_tcp_handle_r2t()
665 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_r2t()
682 static int nvme_tcp_recv_pdu(struct nvme_tcp_queue *queue, struct sk_buff *skb, in nvme_tcp_recv_pdu() argument
686 char *pdu = queue->pdu; in nvme_tcp_recv_pdu()
687 size_t rcv_len = min_t(size_t, *len, queue->pdu_remaining); in nvme_tcp_recv_pdu()
691 &pdu[queue->pdu_offset], rcv_len); in nvme_tcp_recv_pdu()
695 queue->pdu_remaining -= rcv_len; in nvme_tcp_recv_pdu()
696 queue->pdu_offset += rcv_len; in nvme_tcp_recv_pdu()
699 if (queue->pdu_remaining) in nvme_tcp_recv_pdu()
702 hdr = queue->pdu; in nvme_tcp_recv_pdu()
703 if (queue->hdr_digest) { in nvme_tcp_recv_pdu()
704 ret = nvme_tcp_verify_hdgst(queue, queue->pdu, hdr->hlen); in nvme_tcp_recv_pdu()
710 if (queue->data_digest) { in nvme_tcp_recv_pdu()
711 ret = nvme_tcp_check_ddgst(queue, queue->pdu); in nvme_tcp_recv_pdu()
718 return nvme_tcp_handle_c2h_data(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
720 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_pdu()
721 return nvme_tcp_handle_comp(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
723 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_pdu()
724 return nvme_tcp_handle_r2t(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
726 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_pdu()
740 static int nvme_tcp_recv_data(struct nvme_tcp_queue *queue, struct sk_buff *skb, in nvme_tcp_recv_data() argument
743 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_data()
745 nvme_cid_to_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_recv_data()
751 recv_len = min_t(size_t, *len, queue->data_remaining); in nvme_tcp_recv_data()
763 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_data()
764 "queue %d no space in request %#x", in nvme_tcp_recv_data()
765 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_recv_data()
766 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_data()
776 if (queue->data_digest) in nvme_tcp_recv_data()
778 &req->iter, recv_len, queue->rcv_hash); in nvme_tcp_recv_data()
783 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_data()
784 "queue %d failed to copy request %#x data", in nvme_tcp_recv_data()
785 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_recv_data()
791 queue->data_remaining -= recv_len; in nvme_tcp_recv_data()
794 if (!queue->data_remaining) { in nvme_tcp_recv_data()
795 if (queue->data_digest) { in nvme_tcp_recv_data()
796 nvme_tcp_ddgst_final(queue->rcv_hash, &queue->exp_ddgst); in nvme_tcp_recv_data()
797 queue->ddgst_remaining = NVME_TCP_DIGEST_LENGTH; in nvme_tcp_recv_data()
801 queue->nr_cqe++; in nvme_tcp_recv_data()
803 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_data()
810 static int nvme_tcp_recv_ddgst(struct nvme_tcp_queue *queue, in nvme_tcp_recv_ddgst() argument
813 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_ddgst()
814 char *ddgst = (char *)&queue->recv_ddgst; in nvme_tcp_recv_ddgst()
815 size_t recv_len = min_t(size_t, *len, queue->ddgst_remaining); in nvme_tcp_recv_ddgst()
816 off_t off = NVME_TCP_DIGEST_LENGTH - queue->ddgst_remaining; in nvme_tcp_recv_ddgst()
823 queue->ddgst_remaining -= recv_len; in nvme_tcp_recv_ddgst()
826 if (queue->ddgst_remaining) in nvme_tcp_recv_ddgst()
829 if (queue->recv_ddgst != queue->exp_ddgst) { in nvme_tcp_recv_ddgst()
830 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_ddgst()
832 le32_to_cpu(queue->recv_ddgst), in nvme_tcp_recv_ddgst()
833 le32_to_cpu(queue->exp_ddgst)); in nvme_tcp_recv_ddgst()
838 struct request *rq = nvme_cid_to_rq(nvme_tcp_tagset(queue), in nvme_tcp_recv_ddgst()
842 queue->nr_cqe++; in nvme_tcp_recv_ddgst()
845 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_ddgst()
852 struct nvme_tcp_queue *queue = desc->arg.data; in nvme_tcp_recv_skb() local
857 switch (nvme_tcp_recv_state(queue)) { in nvme_tcp_recv_skb()
859 result = nvme_tcp_recv_pdu(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
862 result = nvme_tcp_recv_data(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
865 result = nvme_tcp_recv_ddgst(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
871 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_skb()
873 queue->rd_enabled = false; in nvme_tcp_recv_skb()
874 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_recv_skb()
884 struct nvme_tcp_queue *queue; in nvme_tcp_data_ready() local
887 queue = sk->sk_user_data; in nvme_tcp_data_ready()
888 if (likely(queue && queue->rd_enabled) && in nvme_tcp_data_ready()
889 !test_bit(NVME_TCP_Q_POLLING, &queue->flags)) in nvme_tcp_data_ready()
890 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_data_ready()
896 struct nvme_tcp_queue *queue; in nvme_tcp_write_space() local
899 queue = sk->sk_user_data; in nvme_tcp_write_space()
900 if (likely(queue && sk_stream_is_writeable(sk))) { in nvme_tcp_write_space()
902 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_write_space()
909 struct nvme_tcp_queue *queue; in nvme_tcp_state_change() local
912 queue = sk->sk_user_data; in nvme_tcp_state_change()
913 if (!queue) in nvme_tcp_state_change()
922 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_state_change()
925 dev_info(queue->ctrl->ctrl.device, in nvme_tcp_state_change()
926 "queue %d socket state %d\n", in nvme_tcp_state_change()
927 nvme_tcp_queue_id(queue), sk->sk_state); in nvme_tcp_state_change()
930 queue->state_change(sk); in nvme_tcp_state_change()
935 static inline void nvme_tcp_done_send_req(struct nvme_tcp_queue *queue) in nvme_tcp_done_send_req() argument
937 queue->request = NULL; in nvme_tcp_done_send_req()
945 nvme_complete_async_event(&req->queue->ctrl->ctrl, in nvme_tcp_fail_request()
955 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_data() local
966 if (last && !queue->data_digest && !nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_data()
972 ret = kernel_sendpage(queue->sock, page, offset, len, in nvme_tcp_try_send_data()
975 ret = sock_no_sendpage(queue->sock, page, offset, len, in nvme_tcp_try_send_data()
981 if (queue->data_digest) in nvme_tcp_try_send_data()
982 nvme_tcp_ddgst_update(queue->snd_hash, page, in nvme_tcp_try_send_data()
995 if (queue->data_digest) { in nvme_tcp_try_send_data()
996 nvme_tcp_ddgst_final(queue->snd_hash, in nvme_tcp_try_send_data()
1001 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_data()
1011 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_cmd_pdu() local
1014 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_try_send_cmd_pdu()
1019 if (inline_data || nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_cmd_pdu()
1024 if (queue->hdr_digest && !req->offset) in nvme_tcp_try_send_cmd_pdu()
1025 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_cmd_pdu()
1027 ret = kernel_sendpage(queue->sock, virt_to_page(pdu), in nvme_tcp_try_send_cmd_pdu()
1036 if (queue->data_digest) in nvme_tcp_try_send_cmd_pdu()
1037 crypto_ahash_init(queue->snd_hash); in nvme_tcp_try_send_cmd_pdu()
1040 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_cmd_pdu()
1051 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_data_pdu() local
1053 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_try_send_data_pdu()
1057 if (queue->hdr_digest && !req->offset) in nvme_tcp_try_send_data_pdu()
1058 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_data_pdu()
1060 ret = kernel_sendpage(queue->sock, virt_to_page(pdu), in nvme_tcp_try_send_data_pdu()
1069 if (queue->data_digest) in nvme_tcp_try_send_data_pdu()
1070 crypto_ahash_init(queue->snd_hash); in nvme_tcp_try_send_data_pdu()
1082 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_ddgst() local
1091 if (nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_ddgst()
1096 ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len); in nvme_tcp_try_send_ddgst()
1101 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_ddgst()
1109 static int nvme_tcp_try_send(struct nvme_tcp_queue *queue) in nvme_tcp_try_send() argument
1114 if (!queue->request) { in nvme_tcp_try_send()
1115 queue->request = nvme_tcp_fetch_request(queue); in nvme_tcp_try_send()
1116 if (!queue->request) in nvme_tcp_try_send()
1119 req = queue->request; in nvme_tcp_try_send()
1147 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_try_send()
1149 nvme_tcp_fail_request(queue->request); in nvme_tcp_try_send()
1150 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send()
1155 static int nvme_tcp_try_recv(struct nvme_tcp_queue *queue) in nvme_tcp_try_recv() argument
1157 struct socket *sock = queue->sock; in nvme_tcp_try_recv()
1162 rd_desc.arg.data = queue; in nvme_tcp_try_recv()
1165 queue->nr_cqe = 0; in nvme_tcp_try_recv()
1173 struct nvme_tcp_queue *queue = in nvme_tcp_io_work() local
1181 if (mutex_trylock(&queue->send_mutex)) { in nvme_tcp_io_work()
1182 result = nvme_tcp_try_send(queue); in nvme_tcp_io_work()
1183 mutex_unlock(&queue->send_mutex); in nvme_tcp_io_work()
1190 result = nvme_tcp_try_recv(queue); in nvme_tcp_io_work()
1196 if (!pending || !queue->rd_enabled) in nvme_tcp_io_work()
1201 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_io_work()
1204 static void nvme_tcp_free_crypto(struct nvme_tcp_queue *queue) in nvme_tcp_free_crypto() argument
1206 struct crypto_ahash *tfm = crypto_ahash_reqtfm(queue->rcv_hash); in nvme_tcp_free_crypto()
1208 ahash_request_free(queue->rcv_hash); in nvme_tcp_free_crypto()
1209 ahash_request_free(queue->snd_hash); in nvme_tcp_free_crypto()
1213 static int nvme_tcp_alloc_crypto(struct nvme_tcp_queue *queue) in nvme_tcp_alloc_crypto() argument
1221 queue->snd_hash = ahash_request_alloc(tfm, GFP_KERNEL); in nvme_tcp_alloc_crypto()
1222 if (!queue->snd_hash) in nvme_tcp_alloc_crypto()
1224 ahash_request_set_callback(queue->snd_hash, 0, NULL, NULL); in nvme_tcp_alloc_crypto()
1226 queue->rcv_hash = ahash_request_alloc(tfm, GFP_KERNEL); in nvme_tcp_alloc_crypto()
1227 if (!queue->rcv_hash) in nvme_tcp_alloc_crypto()
1229 ahash_request_set_callback(queue->rcv_hash, 0, NULL, NULL); in nvme_tcp_alloc_crypto()
1233 ahash_request_free(queue->snd_hash); in nvme_tcp_alloc_crypto()
1248 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_alloc_async_req() local
1250 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_alloc_async_req()
1252 async->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_alloc_async_req()
1258 async->queue = &ctrl->queues[0]; in nvme_tcp_alloc_async_req()
1265 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_free_queue() local
1267 if (!test_and_clear_bit(NVME_TCP_Q_ALLOCATED, &queue->flags)) in nvme_tcp_free_queue()
1270 if (queue->hdr_digest || queue->data_digest) in nvme_tcp_free_queue()
1271 nvme_tcp_free_crypto(queue); in nvme_tcp_free_queue()
1273 sock_release(queue->sock); in nvme_tcp_free_queue()
1274 kfree(queue->pdu); in nvme_tcp_free_queue()
1275 mutex_destroy(&queue->queue_lock); in nvme_tcp_free_queue()
1278 static int nvme_tcp_init_connection(struct nvme_tcp_queue *queue) in nvme_tcp_init_connection() argument
1304 if (queue->hdr_digest) in nvme_tcp_init_connection()
1306 if (queue->data_digest) in nvme_tcp_init_connection()
1311 ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len); in nvme_tcp_init_connection()
1318 ret = kernel_recvmsg(queue->sock, &msg, &iov, 1, in nvme_tcp_init_connection()
1325 pr_err("queue %d: bad type returned %d\n", in nvme_tcp_init_connection()
1326 nvme_tcp_queue_id(queue), icresp->hdr.type); in nvme_tcp_init_connection()
1331 pr_err("queue %d: bad pdu length returned %d\n", in nvme_tcp_init_connection()
1332 nvme_tcp_queue_id(queue), icresp->hdr.plen); in nvme_tcp_init_connection()
1337 pr_err("queue %d: bad pfv returned %d\n", in nvme_tcp_init_connection()
1338 nvme_tcp_queue_id(queue), icresp->pfv); in nvme_tcp_init_connection()
1343 if ((queue->data_digest && !ctrl_ddgst) || in nvme_tcp_init_connection()
1344 (!queue->data_digest && ctrl_ddgst)) { in nvme_tcp_init_connection()
1345 pr_err("queue %d: data digest mismatch host: %s ctrl: %s\n", in nvme_tcp_init_connection()
1346 nvme_tcp_queue_id(queue), in nvme_tcp_init_connection()
1347 queue->data_digest ? "enabled" : "disabled", in nvme_tcp_init_connection()
1353 if ((queue->hdr_digest && !ctrl_hdgst) || in nvme_tcp_init_connection()
1354 (!queue->hdr_digest && ctrl_hdgst)) { in nvme_tcp_init_connection()
1355 pr_err("queue %d: header digest mismatch host: %s ctrl: %s\n", in nvme_tcp_init_connection()
1356 nvme_tcp_queue_id(queue), in nvme_tcp_init_connection()
1357 queue->hdr_digest ? "enabled" : "disabled", in nvme_tcp_init_connection()
1363 pr_err("queue %d: unsupported cpda returned %d\n", in nvme_tcp_init_connection()
1364 nvme_tcp_queue_id(queue), icresp->cpda); in nvme_tcp_init_connection()
1376 static bool nvme_tcp_admin_queue(struct nvme_tcp_queue *queue) in nvme_tcp_admin_queue() argument
1378 return nvme_tcp_queue_id(queue) == 0; in nvme_tcp_admin_queue()
1381 static bool nvme_tcp_default_queue(struct nvme_tcp_queue *queue) in nvme_tcp_default_queue() argument
1383 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_default_queue()
1384 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_default_queue()
1386 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_default_queue()
1390 static bool nvme_tcp_read_queue(struct nvme_tcp_queue *queue) in nvme_tcp_read_queue() argument
1392 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_read_queue()
1393 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_read_queue()
1395 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_read_queue()
1396 !nvme_tcp_default_queue(queue) && in nvme_tcp_read_queue()
1401 static bool nvme_tcp_poll_queue(struct nvme_tcp_queue *queue) in nvme_tcp_poll_queue() argument
1403 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_poll_queue()
1404 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_poll_queue()
1406 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_poll_queue()
1407 !nvme_tcp_default_queue(queue) && in nvme_tcp_poll_queue()
1408 !nvme_tcp_read_queue(queue) && in nvme_tcp_poll_queue()
1414 static void nvme_tcp_set_queue_io_cpu(struct nvme_tcp_queue *queue) in nvme_tcp_set_queue_io_cpu() argument
1416 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_set_queue_io_cpu()
1417 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_set_queue_io_cpu()
1420 if (nvme_tcp_default_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1422 else if (nvme_tcp_read_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1424 else if (nvme_tcp_poll_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1427 queue->io_cpu = cpumask_next_wrap(n - 1, cpu_online_mask, -1, false); in nvme_tcp_set_queue_io_cpu()
1434 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_alloc_queue() local
1437 mutex_init(&queue->queue_lock); in nvme_tcp_alloc_queue()
1438 queue->ctrl = ctrl; in nvme_tcp_alloc_queue()
1439 init_llist_head(&queue->req_list); in nvme_tcp_alloc_queue()
1440 INIT_LIST_HEAD(&queue->send_list); in nvme_tcp_alloc_queue()
1441 mutex_init(&queue->send_mutex); in nvme_tcp_alloc_queue()
1442 INIT_WORK(&queue->io_work, nvme_tcp_io_work); in nvme_tcp_alloc_queue()
1443 queue->queue_size = queue_size; in nvme_tcp_alloc_queue()
1446 queue->cmnd_capsule_len = nctrl->ioccsz * 16; in nvme_tcp_alloc_queue()
1448 queue->cmnd_capsule_len = sizeof(struct nvme_command) + in nvme_tcp_alloc_queue()
1452 IPPROTO_TCP, &queue->sock); in nvme_tcp_alloc_queue()
1459 nvme_tcp_reclassify_socket(queue->sock); in nvme_tcp_alloc_queue()
1462 tcp_sock_set_syncnt(queue->sock->sk, 1); in nvme_tcp_alloc_queue()
1465 tcp_sock_set_nodelay(queue->sock->sk); in nvme_tcp_alloc_queue()
1468 * Cleanup whatever is sitting in the TCP transmit queue on socket in nvme_tcp_alloc_queue()
1472 sock_no_linger(queue->sock->sk); in nvme_tcp_alloc_queue()
1475 sock_set_priority(queue->sock->sk, so_priority); in nvme_tcp_alloc_queue()
1479 ip_sock_set_tos(queue->sock->sk, nctrl->opts->tos); in nvme_tcp_alloc_queue()
1482 queue->sock->sk->sk_rcvtimeo = 10 * HZ; in nvme_tcp_alloc_queue()
1484 queue->sock->sk->sk_allocation = GFP_ATOMIC; in nvme_tcp_alloc_queue()
1485 nvme_tcp_set_queue_io_cpu(queue); in nvme_tcp_alloc_queue()
1486 queue->request = NULL; in nvme_tcp_alloc_queue()
1487 queue->data_remaining = 0; in nvme_tcp_alloc_queue()
1488 queue->ddgst_remaining = 0; in nvme_tcp_alloc_queue()
1489 queue->pdu_remaining = 0; in nvme_tcp_alloc_queue()
1490 queue->pdu_offset = 0; in nvme_tcp_alloc_queue()
1491 sk_set_memalloc(queue->sock->sk); in nvme_tcp_alloc_queue()
1494 ret = kernel_bind(queue->sock, (struct sockaddr *)&ctrl->src_addr, in nvme_tcp_alloc_queue()
1498 "failed to bind queue %d socket %d\n", in nvme_tcp_alloc_queue()
1504 queue->hdr_digest = nctrl->opts->hdr_digest; in nvme_tcp_alloc_queue()
1505 queue->data_digest = nctrl->opts->data_digest; in nvme_tcp_alloc_queue()
1506 if (queue->hdr_digest || queue->data_digest) { in nvme_tcp_alloc_queue()
1507 ret = nvme_tcp_alloc_crypto(queue); in nvme_tcp_alloc_queue()
1510 "failed to allocate queue %d crypto\n", qid); in nvme_tcp_alloc_queue()
1516 nvme_tcp_hdgst_len(queue); in nvme_tcp_alloc_queue()
1517 queue->pdu = kmalloc(rcv_pdu_size, GFP_KERNEL); in nvme_tcp_alloc_queue()
1518 if (!queue->pdu) { in nvme_tcp_alloc_queue()
1523 dev_dbg(nctrl->device, "connecting queue %d\n", in nvme_tcp_alloc_queue()
1524 nvme_tcp_queue_id(queue)); in nvme_tcp_alloc_queue()
1526 ret = kernel_connect(queue->sock, (struct sockaddr *)&ctrl->addr, in nvme_tcp_alloc_queue()
1534 ret = nvme_tcp_init_connection(queue); in nvme_tcp_alloc_queue()
1538 set_bit(NVME_TCP_Q_ALLOCATED, &queue->flags); in nvme_tcp_alloc_queue()
1543 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in nvme_tcp_alloc_queue()
1545 kfree(queue->pdu); in nvme_tcp_alloc_queue()
1547 if (queue->hdr_digest || queue->data_digest) in nvme_tcp_alloc_queue()
1548 nvme_tcp_free_crypto(queue); in nvme_tcp_alloc_queue()
1550 sock_release(queue->sock); in nvme_tcp_alloc_queue()
1551 queue->sock = NULL; in nvme_tcp_alloc_queue()
1553 mutex_destroy(&queue->queue_lock); in nvme_tcp_alloc_queue()
1557 static void nvme_tcp_restore_sock_ops(struct nvme_tcp_queue *queue) in nvme_tcp_restore_sock_ops() argument
1559 struct socket *sock = queue->sock; in nvme_tcp_restore_sock_ops()
1563 sock->sk->sk_data_ready = queue->data_ready; in nvme_tcp_restore_sock_ops()
1564 sock->sk->sk_state_change = queue->state_change; in nvme_tcp_restore_sock_ops()
1565 sock->sk->sk_write_space = queue->write_space; in nvme_tcp_restore_sock_ops()
1569 static void __nvme_tcp_stop_queue(struct nvme_tcp_queue *queue) in __nvme_tcp_stop_queue() argument
1571 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in __nvme_tcp_stop_queue()
1572 nvme_tcp_restore_sock_ops(queue); in __nvme_tcp_stop_queue()
1573 cancel_work_sync(&queue->io_work); in __nvme_tcp_stop_queue()
1579 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_stop_queue() local
1581 mutex_lock(&queue->queue_lock); in nvme_tcp_stop_queue()
1582 if (test_and_clear_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_stop_queue()
1583 __nvme_tcp_stop_queue(queue); in nvme_tcp_stop_queue()
1584 mutex_unlock(&queue->queue_lock); in nvme_tcp_stop_queue()
1587 static void nvme_tcp_setup_sock_ops(struct nvme_tcp_queue *queue) in nvme_tcp_setup_sock_ops() argument
1589 write_lock_bh(&queue->sock->sk->sk_callback_lock); in nvme_tcp_setup_sock_ops()
1590 queue->sock->sk->sk_user_data = queue; in nvme_tcp_setup_sock_ops()
1591 queue->state_change = queue->sock->sk->sk_state_change; in nvme_tcp_setup_sock_ops()
1592 queue->data_ready = queue->sock->sk->sk_data_ready; in nvme_tcp_setup_sock_ops()
1593 queue->write_space = queue->sock->sk->sk_write_space; in nvme_tcp_setup_sock_ops()
1594 queue->sock->sk->sk_data_ready = nvme_tcp_data_ready; in nvme_tcp_setup_sock_ops()
1595 queue->sock->sk->sk_state_change = nvme_tcp_state_change; in nvme_tcp_setup_sock_ops()
1596 queue->sock->sk->sk_write_space = nvme_tcp_write_space; in nvme_tcp_setup_sock_ops()
1598 queue->sock->sk->sk_ll_usec = 1; in nvme_tcp_setup_sock_ops()
1600 write_unlock_bh(&queue->sock->sk->sk_callback_lock); in nvme_tcp_setup_sock_ops()
1606 struct nvme_tcp_queue *queue = &ctrl->queues[idx]; in nvme_tcp_start_queue() local
1609 queue->rd_enabled = true; in nvme_tcp_start_queue()
1610 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_start_queue()
1611 nvme_tcp_setup_sock_ops(queue); in nvme_tcp_start_queue()
1619 set_bit(NVME_TCP_Q_LIVE, &queue->flags); in nvme_tcp_start_queue()
1621 if (test_bit(NVME_TCP_Q_ALLOCATED, &queue->flags)) in nvme_tcp_start_queue()
1622 __nvme_tcp_stop_queue(queue); in nvme_tcp_start_queue()
1624 "failed to connect queue: %d ret=%d\n", idx, ret); in nvme_tcp_start_queue()
1786 * sufficient queue count to have dedicated default queues. in nvme_tcp_set_io_queues()
2214 static void nvme_tcp_set_sg_inline(struct nvme_tcp_queue *queue, in nvme_tcp_set_sg_inline() argument
2219 sg->addr = cpu_to_le64(queue->ctrl->ctrl.icdoff); in nvme_tcp_set_sg_inline()
2238 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_submit_async_event() local
2241 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_submit_async_event()
2245 if (queue->hdr_digest) in nvme_tcp_submit_async_event()
2266 struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; in nvme_tcp_complete_timed_out()
2268 nvme_tcp_stop_queue(ctrl, nvme_tcp_queue_id(req->queue)); in nvme_tcp_complete_timed_out()
2279 struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; in nvme_tcp_timeout()
2283 "queue %d: timeout request %#x type %d\n", in nvme_tcp_timeout()
2284 nvme_tcp_queue_id(req->queue), rq->tag, pdu->hdr.type); in nvme_tcp_timeout()
2312 static blk_status_t nvme_tcp_map_data(struct nvme_tcp_queue *queue, in nvme_tcp_map_data() argument
2324 req->data_len <= nvme_tcp_inline_data_size(queue)) in nvme_tcp_map_data()
2325 nvme_tcp_set_sg_inline(queue, c, req->data_len); in nvme_tcp_map_data()
2337 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_setup_cmd_pdu() local
2338 u8 hdgst = nvme_tcp_hdgst_len(queue), ddgst = 0; in nvme_tcp_setup_cmd_pdu()
2355 req->data_len <= nvme_tcp_inline_data_size(queue)) in nvme_tcp_setup_cmd_pdu()
2362 if (queue->hdr_digest) in nvme_tcp_setup_cmd_pdu()
2364 if (queue->data_digest && req->pdu_len) { in nvme_tcp_setup_cmd_pdu()
2366 ddgst = nvme_tcp_ddgst_len(queue); in nvme_tcp_setup_cmd_pdu()
2373 ret = nvme_tcp_map_data(queue, rq); in nvme_tcp_setup_cmd_pdu()
2376 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_cmd_pdu()
2386 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_commit_rqs() local
2388 if (!llist_empty(&queue->req_list)) in nvme_tcp_commit_rqs()
2389 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_commit_rqs()
2395 struct nvme_ns *ns = hctx->queue->queuedata; in nvme_tcp_queue_rq()
2396 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_queue_rq() local
2399 bool queue_ready = test_bit(NVME_TCP_Q_LIVE, &queue->flags); in nvme_tcp_queue_rq()
2402 if (!nvmf_check_ready(&queue->ctrl->ctrl, rq, queue_ready)) in nvme_tcp_queue_rq()
2403 return nvmf_fail_nonready_command(&queue->ctrl->ctrl, rq); in nvme_tcp_queue_rq()
2463 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_poll() local
2464 struct sock *sk = queue->sock->sk; in nvme_tcp_poll()
2466 if (!test_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_poll()
2469 set_bit(NVME_TCP_Q_POLLING, &queue->flags); in nvme_tcp_poll()
2472 nvme_tcp_try_recv(queue); in nvme_tcp_poll()
2473 clear_bit(NVME_TCP_Q_POLLING, &queue->flags); in nvme_tcp_poll()
2474 return queue->nr_cqe; in nvme_tcp_poll()