Lines Matching full:queue
97 struct nvme_tcp_queue *queue; member
196 static int nvme_tcp_try_send(struct nvme_tcp_queue *queue);
203 static inline int nvme_tcp_queue_id(struct nvme_tcp_queue *queue) in nvme_tcp_queue_id() argument
205 return queue - queue->ctrl->queues; in nvme_tcp_queue_id()
216 static inline struct blk_mq_tags *nvme_tcp_tagset(struct nvme_tcp_queue *queue) in nvme_tcp_tagset() argument
218 u32 queue_idx = nvme_tcp_queue_id(queue); in nvme_tcp_tagset()
221 return queue->ctrl->admin_tag_set.tags[queue_idx]; in nvme_tcp_tagset()
222 return queue->ctrl->tag_set.tags[queue_idx - 1]; in nvme_tcp_tagset()
225 static inline u8 nvme_tcp_hdgst_len(struct nvme_tcp_queue *queue) in nvme_tcp_hdgst_len() argument
227 return queue->hdr_digest ? NVME_TCP_DIGEST_LENGTH : 0; in nvme_tcp_hdgst_len()
230 static inline u8 nvme_tcp_ddgst_len(struct nvme_tcp_queue *queue) in nvme_tcp_ddgst_len() argument
232 return queue->data_digest ? NVME_TCP_DIGEST_LENGTH : 0; in nvme_tcp_ddgst_len()
251 return req->queue->cmnd_capsule_len - sizeof(struct nvme_command); in nvme_tcp_inline_data_size()
256 return req == &req->queue->ctrl->async_req; in nvme_tcp_async_req()
345 static inline void nvme_tcp_send_all(struct nvme_tcp_queue *queue) in nvme_tcp_send_all() argument
349 /* drain the send queue as much as we can... */ in nvme_tcp_send_all()
351 ret = nvme_tcp_try_send(queue); in nvme_tcp_send_all()
355 static inline bool nvme_tcp_queue_more(struct nvme_tcp_queue *queue) in nvme_tcp_queue_more() argument
357 return !list_empty(&queue->send_list) || in nvme_tcp_queue_more()
358 !llist_empty(&queue->req_list); in nvme_tcp_queue_more()
364 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_queue_request() local
367 empty = llist_add(&req->lentry, &queue->req_list) && in nvme_tcp_queue_request()
368 list_empty(&queue->send_list) && !queue->request; in nvme_tcp_queue_request()
372 * directly, otherwise queue io_work. Also, only do that if we in nvme_tcp_queue_request()
375 if (queue->io_cpu == raw_smp_processor_id() && in nvme_tcp_queue_request()
376 sync && empty && mutex_trylock(&queue->send_mutex)) { in nvme_tcp_queue_request()
377 nvme_tcp_send_all(queue); in nvme_tcp_queue_request()
378 mutex_unlock(&queue->send_mutex); in nvme_tcp_queue_request()
381 if (last && nvme_tcp_queue_more(queue)) in nvme_tcp_queue_request()
382 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_queue_request()
385 static void nvme_tcp_process_req_list(struct nvme_tcp_queue *queue) in nvme_tcp_process_req_list() argument
390 for (node = llist_del_all(&queue->req_list); node; node = node->next) { in nvme_tcp_process_req_list()
392 list_add(&req->entry, &queue->send_list); in nvme_tcp_process_req_list()
397 nvme_tcp_fetch_request(struct nvme_tcp_queue *queue) in nvme_tcp_fetch_request() argument
401 req = list_first_entry_or_null(&queue->send_list, in nvme_tcp_fetch_request()
404 nvme_tcp_process_req_list(queue); in nvme_tcp_fetch_request()
405 req = list_first_entry_or_null(&queue->send_list, in nvme_tcp_fetch_request()
443 static int nvme_tcp_verify_hdgst(struct nvme_tcp_queue *queue, in nvme_tcp_verify_hdgst() argument
451 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_verify_hdgst()
452 "queue %d: header digest flag is cleared\n", in nvme_tcp_verify_hdgst()
453 nvme_tcp_queue_id(queue)); in nvme_tcp_verify_hdgst()
458 nvme_tcp_hdgst(queue->rcv_hash, pdu, pdu_len); in nvme_tcp_verify_hdgst()
461 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_verify_hdgst()
470 static int nvme_tcp_check_ddgst(struct nvme_tcp_queue *queue, void *pdu) in nvme_tcp_check_ddgst() argument
473 u8 digest_len = nvme_tcp_hdgst_len(queue); in nvme_tcp_check_ddgst()
480 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_check_ddgst()
481 "queue %d: data digest flag is cleared\n", in nvme_tcp_check_ddgst()
482 nvme_tcp_queue_id(queue)); in nvme_tcp_check_ddgst()
485 crypto_ahash_init(queue->rcv_hash); in nvme_tcp_check_ddgst()
506 struct nvme_tcp_queue *queue = &ctrl->queues[queue_idx]; in nvme_tcp_init_request() local
507 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_init_request()
509 req->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_init_request()
516 req->queue = queue; in nvme_tcp_init_request()
527 struct nvme_tcp_queue *queue = &ctrl->queues[hctx_idx + 1]; in nvme_tcp_init_hctx() local
529 hctx->driver_data = queue; in nvme_tcp_init_hctx()
537 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_init_admin_hctx() local
539 hctx->driver_data = queue; in nvme_tcp_init_admin_hctx()
544 nvme_tcp_recv_state(struct nvme_tcp_queue *queue) in nvme_tcp_recv_state() argument
546 return (queue->pdu_remaining) ? NVME_TCP_RECV_PDU : in nvme_tcp_recv_state()
547 (queue->ddgst_remaining) ? NVME_TCP_RECV_DDGST : in nvme_tcp_recv_state()
551 static void nvme_tcp_init_recv_ctx(struct nvme_tcp_queue *queue) in nvme_tcp_init_recv_ctx() argument
553 queue->pdu_remaining = sizeof(struct nvme_tcp_rsp_pdu) + in nvme_tcp_init_recv_ctx()
554 nvme_tcp_hdgst_len(queue); in nvme_tcp_init_recv_ctx()
555 queue->pdu_offset = 0; in nvme_tcp_init_recv_ctx()
556 queue->data_remaining = -1; in nvme_tcp_init_recv_ctx()
557 queue->ddgst_remaining = 0; in nvme_tcp_init_recv_ctx()
569 static int nvme_tcp_process_nvme_cqe(struct nvme_tcp_queue *queue, in nvme_tcp_process_nvme_cqe() argument
575 rq = nvme_find_rq(nvme_tcp_tagset(queue), cqe->command_id); in nvme_tcp_process_nvme_cqe()
577 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_process_nvme_cqe()
578 "got bad cqe.command_id %#x on queue %d\n", in nvme_tcp_process_nvme_cqe()
579 cqe->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_process_nvme_cqe()
580 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_process_nvme_cqe()
590 queue->nr_cqe++; in nvme_tcp_process_nvme_cqe()
595 static int nvme_tcp_handle_c2h_data(struct nvme_tcp_queue *queue, in nvme_tcp_handle_c2h_data() argument
600 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_c2h_data()
602 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
603 "got bad c2hdata.command_id %#x on queue %d\n", in nvme_tcp_handle_c2h_data()
604 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_c2h_data()
609 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
610 "queue %d tag %#x unexpected data\n", in nvme_tcp_handle_c2h_data()
611 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_handle_c2h_data()
615 queue->data_remaining = le32_to_cpu(pdu->data_length); in nvme_tcp_handle_c2h_data()
619 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
620 "queue %d tag %#x SUCCESS set but not last PDU\n", in nvme_tcp_handle_c2h_data()
621 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_handle_c2h_data()
622 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_handle_c2h_data()
629 static int nvme_tcp_handle_comp(struct nvme_tcp_queue *queue, in nvme_tcp_handle_comp() argument
637 * survive any kind of queue freeze and often don't respond to in nvme_tcp_handle_comp()
641 if (unlikely(nvme_is_aen_req(nvme_tcp_queue_id(queue), in nvme_tcp_handle_comp()
643 nvme_complete_async_event(&queue->ctrl->ctrl, cqe->status, in nvme_tcp_handle_comp()
646 ret = nvme_tcp_process_nvme_cqe(queue, cqe); in nvme_tcp_handle_comp()
654 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_setup_h2c_data_pdu() local
657 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_setup_h2c_data_pdu()
658 u8 ddgst = nvme_tcp_ddgst_len(queue); in nvme_tcp_setup_h2c_data_pdu()
662 req->pdu_len = min(req->h2cdata_left, queue->maxh2cdata); in nvme_tcp_setup_h2c_data_pdu()
671 if (queue->hdr_digest) in nvme_tcp_setup_h2c_data_pdu()
673 if (queue->data_digest) in nvme_tcp_setup_h2c_data_pdu()
685 static int nvme_tcp_handle_r2t(struct nvme_tcp_queue *queue, in nvme_tcp_handle_r2t() argument
693 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_r2t()
695 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
696 "got bad r2t.command_id %#x on queue %d\n", in nvme_tcp_handle_r2t()
697 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_r2t()
703 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
710 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
717 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
734 static int nvme_tcp_recv_pdu(struct nvme_tcp_queue *queue, struct sk_buff *skb, in nvme_tcp_recv_pdu() argument
738 char *pdu = queue->pdu; in nvme_tcp_recv_pdu()
739 size_t rcv_len = min_t(size_t, *len, queue->pdu_remaining); in nvme_tcp_recv_pdu()
743 &pdu[queue->pdu_offset], rcv_len); in nvme_tcp_recv_pdu()
747 queue->pdu_remaining -= rcv_len; in nvme_tcp_recv_pdu()
748 queue->pdu_offset += rcv_len; in nvme_tcp_recv_pdu()
751 if (queue->pdu_remaining) in nvme_tcp_recv_pdu()
754 hdr = queue->pdu; in nvme_tcp_recv_pdu()
755 if (queue->hdr_digest) { in nvme_tcp_recv_pdu()
756 ret = nvme_tcp_verify_hdgst(queue, queue->pdu, hdr->hlen); in nvme_tcp_recv_pdu()
762 if (queue->data_digest) { in nvme_tcp_recv_pdu()
763 ret = nvme_tcp_check_ddgst(queue, queue->pdu); in nvme_tcp_recv_pdu()
770 return nvme_tcp_handle_c2h_data(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
772 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_pdu()
773 return nvme_tcp_handle_comp(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
775 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_pdu()
776 return nvme_tcp_handle_r2t(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
778 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_pdu()
792 static int nvme_tcp_recv_data(struct nvme_tcp_queue *queue, struct sk_buff *skb, in nvme_tcp_recv_data() argument
795 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_data()
797 nvme_cid_to_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_recv_data()
803 recv_len = min_t(size_t, *len, queue->data_remaining); in nvme_tcp_recv_data()
815 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_data()
816 "queue %d no space in request %#x", in nvme_tcp_recv_data()
817 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_recv_data()
818 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_data()
828 if (queue->data_digest) in nvme_tcp_recv_data()
830 &req->iter, recv_len, queue->rcv_hash); in nvme_tcp_recv_data()
835 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_data()
836 "queue %d failed to copy request %#x data", in nvme_tcp_recv_data()
837 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_recv_data()
843 queue->data_remaining -= recv_len; in nvme_tcp_recv_data()
846 if (!queue->data_remaining) { in nvme_tcp_recv_data()
847 if (queue->data_digest) { in nvme_tcp_recv_data()
848 nvme_tcp_ddgst_final(queue->rcv_hash, &queue->exp_ddgst); in nvme_tcp_recv_data()
849 queue->ddgst_remaining = NVME_TCP_DIGEST_LENGTH; in nvme_tcp_recv_data()
854 queue->nr_cqe++; in nvme_tcp_recv_data()
856 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_data()
863 static int nvme_tcp_recv_ddgst(struct nvme_tcp_queue *queue, in nvme_tcp_recv_ddgst() argument
866 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_ddgst()
867 char *ddgst = (char *)&queue->recv_ddgst; in nvme_tcp_recv_ddgst()
868 size_t recv_len = min_t(size_t, *len, queue->ddgst_remaining); in nvme_tcp_recv_ddgst()
869 off_t off = NVME_TCP_DIGEST_LENGTH - queue->ddgst_remaining; in nvme_tcp_recv_ddgst()
876 queue->ddgst_remaining -= recv_len; in nvme_tcp_recv_ddgst()
879 if (queue->ddgst_remaining) in nvme_tcp_recv_ddgst()
882 if (queue->recv_ddgst != queue->exp_ddgst) { in nvme_tcp_recv_ddgst()
883 struct request *rq = nvme_cid_to_rq(nvme_tcp_tagset(queue), in nvme_tcp_recv_ddgst()
889 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_ddgst()
891 le32_to_cpu(queue->recv_ddgst), in nvme_tcp_recv_ddgst()
892 le32_to_cpu(queue->exp_ddgst)); in nvme_tcp_recv_ddgst()
896 struct request *rq = nvme_cid_to_rq(nvme_tcp_tagset(queue), in nvme_tcp_recv_ddgst()
901 queue->nr_cqe++; in nvme_tcp_recv_ddgst()
904 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_ddgst()
911 struct nvme_tcp_queue *queue = desc->arg.data; in nvme_tcp_recv_skb() local
915 if (unlikely(!queue->rd_enabled)) in nvme_tcp_recv_skb()
919 switch (nvme_tcp_recv_state(queue)) { in nvme_tcp_recv_skb()
921 result = nvme_tcp_recv_pdu(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
924 result = nvme_tcp_recv_data(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
927 result = nvme_tcp_recv_ddgst(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
933 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_skb()
935 queue->rd_enabled = false; in nvme_tcp_recv_skb()
936 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_recv_skb()
946 struct nvme_tcp_queue *queue; in nvme_tcp_data_ready() local
951 queue = sk->sk_user_data; in nvme_tcp_data_ready()
952 if (likely(queue && queue->rd_enabled) && in nvme_tcp_data_ready()
953 !test_bit(NVME_TCP_Q_POLLING, &queue->flags)) in nvme_tcp_data_ready()
954 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_data_ready()
960 struct nvme_tcp_queue *queue; in nvme_tcp_write_space() local
963 queue = sk->sk_user_data; in nvme_tcp_write_space()
964 if (likely(queue && sk_stream_is_writeable(sk))) { in nvme_tcp_write_space()
966 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_write_space()
973 struct nvme_tcp_queue *queue; in nvme_tcp_state_change() local
976 queue = sk->sk_user_data; in nvme_tcp_state_change()
977 if (!queue) in nvme_tcp_state_change()
986 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_state_change()
989 dev_info(queue->ctrl->ctrl.device, in nvme_tcp_state_change()
990 "queue %d socket state %d\n", in nvme_tcp_state_change()
991 nvme_tcp_queue_id(queue), sk->sk_state); in nvme_tcp_state_change()
994 queue->state_change(sk); in nvme_tcp_state_change()
999 static inline void nvme_tcp_done_send_req(struct nvme_tcp_queue *queue) in nvme_tcp_done_send_req() argument
1001 queue->request = NULL; in nvme_tcp_done_send_req()
1009 nvme_complete_async_event(&req->queue->ctrl->ctrl, in nvme_tcp_fail_request()
1019 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_data() local
1035 if (last && !queue->data_digest && !nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_data()
1045 ret = sock_sendmsg(queue->sock, &msg); in nvme_tcp_try_send_data()
1049 if (queue->data_digest) in nvme_tcp_try_send_data()
1050 nvme_tcp_ddgst_update(queue->snd_hash, page, in nvme_tcp_try_send_data()
1063 if (queue->data_digest) { in nvme_tcp_try_send_data()
1064 nvme_tcp_ddgst_final(queue->snd_hash, in nvme_tcp_try_send_data()
1072 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_data()
1082 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_cmd_pdu() local
1087 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_try_send_cmd_pdu()
1091 if (inline_data || nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_cmd_pdu()
1096 if (queue->hdr_digest && !req->offset) in nvme_tcp_try_send_cmd_pdu()
1097 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_cmd_pdu()
1101 ret = sock_sendmsg(queue->sock, &msg); in nvme_tcp_try_send_cmd_pdu()
1109 if (queue->data_digest) in nvme_tcp_try_send_cmd_pdu()
1110 crypto_ahash_init(queue->snd_hash); in nvme_tcp_try_send_cmd_pdu()
1112 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_cmd_pdu()
1123 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_data_pdu() local
1127 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_try_send_data_pdu()
1131 if (queue->hdr_digest && !req->offset) in nvme_tcp_try_send_data_pdu()
1132 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_data_pdu()
1139 ret = sock_sendmsg(queue->sock, &msg); in nvme_tcp_try_send_data_pdu()
1146 if (queue->data_digest) in nvme_tcp_try_send_data_pdu()
1147 crypto_ahash_init(queue->snd_hash); in nvme_tcp_try_send_data_pdu()
1157 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_ddgst() local
1167 if (nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_ddgst()
1172 ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len); in nvme_tcp_try_send_ddgst()
1180 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_ddgst()
1188 static int nvme_tcp_try_send(struct nvme_tcp_queue *queue) in nvme_tcp_try_send() argument
1194 if (!queue->request) { in nvme_tcp_try_send()
1195 queue->request = nvme_tcp_fetch_request(queue); in nvme_tcp_try_send()
1196 if (!queue->request) in nvme_tcp_try_send()
1199 req = queue->request; in nvme_tcp_try_send()
1228 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_try_send()
1230 nvme_tcp_fail_request(queue->request); in nvme_tcp_try_send()
1231 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send()
1238 static int nvme_tcp_try_recv(struct nvme_tcp_queue *queue) in nvme_tcp_try_recv() argument
1240 struct socket *sock = queue->sock; in nvme_tcp_try_recv()
1245 rd_desc.arg.data = queue; in nvme_tcp_try_recv()
1248 queue->nr_cqe = 0; in nvme_tcp_try_recv()
1256 struct nvme_tcp_queue *queue = in nvme_tcp_io_work() local
1264 if (mutex_trylock(&queue->send_mutex)) { in nvme_tcp_io_work()
1265 result = nvme_tcp_try_send(queue); in nvme_tcp_io_work()
1266 mutex_unlock(&queue->send_mutex); in nvme_tcp_io_work()
1273 result = nvme_tcp_try_recv(queue); in nvme_tcp_io_work()
1279 if (!pending || !queue->rd_enabled) in nvme_tcp_io_work()
1284 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_io_work()
1287 static void nvme_tcp_free_crypto(struct nvme_tcp_queue *queue) in nvme_tcp_free_crypto() argument
1289 struct crypto_ahash *tfm = crypto_ahash_reqtfm(queue->rcv_hash); in nvme_tcp_free_crypto()
1291 ahash_request_free(queue->rcv_hash); in nvme_tcp_free_crypto()
1292 ahash_request_free(queue->snd_hash); in nvme_tcp_free_crypto()
1296 static int nvme_tcp_alloc_crypto(struct nvme_tcp_queue *queue) in nvme_tcp_alloc_crypto() argument
1304 queue->snd_hash = ahash_request_alloc(tfm, GFP_KERNEL); in nvme_tcp_alloc_crypto()
1305 if (!queue->snd_hash) in nvme_tcp_alloc_crypto()
1307 ahash_request_set_callback(queue->snd_hash, 0, NULL, NULL); in nvme_tcp_alloc_crypto()
1309 queue->rcv_hash = ahash_request_alloc(tfm, GFP_KERNEL); in nvme_tcp_alloc_crypto()
1310 if (!queue->rcv_hash) in nvme_tcp_alloc_crypto()
1312 ahash_request_set_callback(queue->rcv_hash, 0, NULL, NULL); in nvme_tcp_alloc_crypto()
1316 ahash_request_free(queue->snd_hash); in nvme_tcp_alloc_crypto()
1331 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_alloc_async_req() local
1333 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_alloc_async_req()
1335 async->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_alloc_async_req()
1341 async->queue = &ctrl->queues[0]; in nvme_tcp_alloc_async_req()
1349 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_free_queue() local
1352 if (!test_and_clear_bit(NVME_TCP_Q_ALLOCATED, &queue->flags)) in nvme_tcp_free_queue()
1355 if (queue->hdr_digest || queue->data_digest) in nvme_tcp_free_queue()
1356 nvme_tcp_free_crypto(queue); in nvme_tcp_free_queue()
1358 if (queue->pf_cache.va) { in nvme_tcp_free_queue()
1359 page = virt_to_head_page(queue->pf_cache.va); in nvme_tcp_free_queue()
1360 __page_frag_cache_drain(page, queue->pf_cache.pagecnt_bias); in nvme_tcp_free_queue()
1361 queue->pf_cache.va = NULL; in nvme_tcp_free_queue()
1366 fput(queue->sock->file); in nvme_tcp_free_queue()
1367 queue->sock = NULL; in nvme_tcp_free_queue()
1370 kfree(queue->pdu); in nvme_tcp_free_queue()
1371 mutex_destroy(&queue->send_mutex); in nvme_tcp_free_queue()
1372 mutex_destroy(&queue->queue_lock); in nvme_tcp_free_queue()
1375 static int nvme_tcp_init_connection(struct nvme_tcp_queue *queue) in nvme_tcp_init_connection() argument
1404 if (queue->hdr_digest) in nvme_tcp_init_connection()
1406 if (queue->data_digest) in nvme_tcp_init_connection()
1411 ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len); in nvme_tcp_init_connection()
1413 pr_warn("queue %d: failed to send icreq, error %d\n", in nvme_tcp_init_connection()
1414 nvme_tcp_queue_id(queue), ret); in nvme_tcp_init_connection()
1421 if (nvme_tcp_tls(&queue->ctrl->ctrl)) { in nvme_tcp_init_connection()
1425 ret = kernel_recvmsg(queue->sock, &msg, &iov, 1, in nvme_tcp_init_connection()
1428 pr_warn("queue %d: failed to receive icresp, error %d\n", in nvme_tcp_init_connection()
1429 nvme_tcp_queue_id(queue), ret); in nvme_tcp_init_connection()
1433 if (nvme_tcp_tls(&queue->ctrl->ctrl)) { in nvme_tcp_init_connection()
1434 ctype = tls_get_record_type(queue->sock->sk, in nvme_tcp_init_connection()
1437 pr_err("queue %d: unhandled TLS record %d\n", in nvme_tcp_init_connection()
1438 nvme_tcp_queue_id(queue), ctype); in nvme_tcp_init_connection()
1444 pr_err("queue %d: bad type returned %d\n", in nvme_tcp_init_connection()
1445 nvme_tcp_queue_id(queue), icresp->hdr.type); in nvme_tcp_init_connection()
1450 pr_err("queue %d: bad pdu length returned %d\n", in nvme_tcp_init_connection()
1451 nvme_tcp_queue_id(queue), icresp->hdr.plen); in nvme_tcp_init_connection()
1456 pr_err("queue %d: bad pfv returned %d\n", in nvme_tcp_init_connection()
1457 nvme_tcp_queue_id(queue), icresp->pfv); in nvme_tcp_init_connection()
1462 if ((queue->data_digest && !ctrl_ddgst) || in nvme_tcp_init_connection()
1463 (!queue->data_digest && ctrl_ddgst)) { in nvme_tcp_init_connection()
1464 pr_err("queue %d: data digest mismatch host: %s ctrl: %s\n", in nvme_tcp_init_connection()
1465 nvme_tcp_queue_id(queue), in nvme_tcp_init_connection()
1466 queue->data_digest ? "enabled" : "disabled", in nvme_tcp_init_connection()
1472 if ((queue->hdr_digest && !ctrl_hdgst) || in nvme_tcp_init_connection()
1473 (!queue->hdr_digest && ctrl_hdgst)) { in nvme_tcp_init_connection()
1474 pr_err("queue %d: header digest mismatch host: %s ctrl: %s\n", in nvme_tcp_init_connection()
1475 nvme_tcp_queue_id(queue), in nvme_tcp_init_connection()
1476 queue->hdr_digest ? "enabled" : "disabled", in nvme_tcp_init_connection()
1482 pr_err("queue %d: unsupported cpda returned %d\n", in nvme_tcp_init_connection()
1483 nvme_tcp_queue_id(queue), icresp->cpda); in nvme_tcp_init_connection()
1489 pr_err("queue %d: invalid maxh2cdata returned %u\n", in nvme_tcp_init_connection()
1490 nvme_tcp_queue_id(queue), maxh2cdata); in nvme_tcp_init_connection()
1493 queue->maxh2cdata = maxh2cdata; in nvme_tcp_init_connection()
1503 static bool nvme_tcp_admin_queue(struct nvme_tcp_queue *queue) in nvme_tcp_admin_queue() argument
1505 return nvme_tcp_queue_id(queue) == 0; in nvme_tcp_admin_queue()
1508 static bool nvme_tcp_default_queue(struct nvme_tcp_queue *queue) in nvme_tcp_default_queue() argument
1510 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_default_queue()
1511 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_default_queue()
1513 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_default_queue()
1517 static bool nvme_tcp_read_queue(struct nvme_tcp_queue *queue) in nvme_tcp_read_queue() argument
1519 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_read_queue()
1520 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_read_queue()
1522 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_read_queue()
1523 !nvme_tcp_default_queue(queue) && in nvme_tcp_read_queue()
1528 static bool nvme_tcp_poll_queue(struct nvme_tcp_queue *queue) in nvme_tcp_poll_queue() argument
1530 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_poll_queue()
1531 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_poll_queue()
1533 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_poll_queue()
1534 !nvme_tcp_default_queue(queue) && in nvme_tcp_poll_queue()
1535 !nvme_tcp_read_queue(queue) && in nvme_tcp_poll_queue()
1541 static void nvme_tcp_set_queue_io_cpu(struct nvme_tcp_queue *queue) in nvme_tcp_set_queue_io_cpu() argument
1543 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_set_queue_io_cpu()
1544 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_set_queue_io_cpu()
1547 if (nvme_tcp_default_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1549 else if (nvme_tcp_read_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1551 else if (nvme_tcp_poll_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1554 queue->io_cpu = cpumask_next_wrap(n - 1, cpu_online_mask, -1, false); in nvme_tcp_set_queue_io_cpu()
1559 struct nvme_tcp_queue *queue = data; in nvme_tcp_tls_done() local
1560 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_tls_done()
1561 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_tls_done()
1564 dev_dbg(ctrl->ctrl.device, "queue %d: TLS handshake done, key %x, status %d\n", in nvme_tcp_tls_done()
1568 queue->tls_err = -status; in nvme_tcp_tls_done()
1574 dev_warn(ctrl->ctrl.device, "queue %d: Invalid key %x\n", in nvme_tcp_tls_done()
1576 queue->tls_err = -ENOKEY; in nvme_tcp_tls_done()
1579 queue->tls_err = 0; in nvme_tcp_tls_done()
1583 complete(&queue->tls_complete); in nvme_tcp_tls_done()
1587 struct nvme_tcp_queue *queue, in nvme_tcp_start_tls() argument
1590 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_start_tls()
1596 dev_dbg(nctrl->device, "queue %d: start TLS with key %x\n", in nvme_tcp_start_tls()
1599 args.ta_sock = queue->sock; in nvme_tcp_start_tls()
1601 args.ta_data = queue; in nvme_tcp_start_tls()
1608 queue->tls_err = -EOPNOTSUPP; in nvme_tcp_start_tls()
1609 init_completion(&queue->tls_complete); in nvme_tcp_start_tls()
1612 dev_err(nctrl->device, "queue %d: failed to start TLS: %d\n", in nvme_tcp_start_tls()
1616 ret = wait_for_completion_interruptible_timeout(&queue->tls_complete, tmo); in nvme_tcp_start_tls()
1622 "queue %d: TLS handshake failed, error %d\n", in nvme_tcp_start_tls()
1624 tls_handshake_cancel(queue->sock->sk); in nvme_tcp_start_tls()
1627 "queue %d: TLS handshake complete, error %d\n", in nvme_tcp_start_tls()
1628 qid, queue->tls_err); in nvme_tcp_start_tls()
1629 ret = queue->tls_err; in nvme_tcp_start_tls()
1638 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_alloc_queue() local
1642 mutex_init(&queue->queue_lock); in nvme_tcp_alloc_queue()
1643 queue->ctrl = ctrl; in nvme_tcp_alloc_queue()
1644 init_llist_head(&queue->req_list); in nvme_tcp_alloc_queue()
1645 INIT_LIST_HEAD(&queue->send_list); in nvme_tcp_alloc_queue()
1646 mutex_init(&queue->send_mutex); in nvme_tcp_alloc_queue()
1647 INIT_WORK(&queue->io_work, nvme_tcp_io_work); in nvme_tcp_alloc_queue()
1650 queue->cmnd_capsule_len = nctrl->ioccsz * 16; in nvme_tcp_alloc_queue()
1652 queue->cmnd_capsule_len = sizeof(struct nvme_command) + in nvme_tcp_alloc_queue()
1656 IPPROTO_TCP, &queue->sock); in nvme_tcp_alloc_queue()
1663 sock_file = sock_alloc_file(queue->sock, O_CLOEXEC, NULL); in nvme_tcp_alloc_queue()
1668 nvme_tcp_reclassify_socket(queue->sock); in nvme_tcp_alloc_queue()
1671 tcp_sock_set_syncnt(queue->sock->sk, 1); in nvme_tcp_alloc_queue()
1674 tcp_sock_set_nodelay(queue->sock->sk); in nvme_tcp_alloc_queue()
1677 * Cleanup whatever is sitting in the TCP transmit queue on socket in nvme_tcp_alloc_queue()
1681 sock_no_linger(queue->sock->sk); in nvme_tcp_alloc_queue()
1684 sock_set_priority(queue->sock->sk, so_priority); in nvme_tcp_alloc_queue()
1688 ip_sock_set_tos(queue->sock->sk, nctrl->opts->tos); in nvme_tcp_alloc_queue()
1691 queue->sock->sk->sk_rcvtimeo = 10 * HZ; in nvme_tcp_alloc_queue()
1693 queue->sock->sk->sk_allocation = GFP_ATOMIC; in nvme_tcp_alloc_queue()
1694 queue->sock->sk->sk_use_task_frag = false; in nvme_tcp_alloc_queue()
1695 nvme_tcp_set_queue_io_cpu(queue); in nvme_tcp_alloc_queue()
1696 queue->request = NULL; in nvme_tcp_alloc_queue()
1697 queue->data_remaining = 0; in nvme_tcp_alloc_queue()
1698 queue->ddgst_remaining = 0; in nvme_tcp_alloc_queue()
1699 queue->pdu_remaining = 0; in nvme_tcp_alloc_queue()
1700 queue->pdu_offset = 0; in nvme_tcp_alloc_queue()
1701 sk_set_memalloc(queue->sock->sk); in nvme_tcp_alloc_queue()
1704 ret = kernel_bind(queue->sock, (struct sockaddr *)&ctrl->src_addr, in nvme_tcp_alloc_queue()
1708 "failed to bind queue %d socket %d\n", in nvme_tcp_alloc_queue()
1718 ret = sock_setsockopt(queue->sock, SOL_SOCKET, SO_BINDTODEVICE, in nvme_tcp_alloc_queue()
1722 "failed to bind to interface %s queue %d err %d\n", in nvme_tcp_alloc_queue()
1728 queue->hdr_digest = nctrl->opts->hdr_digest; in nvme_tcp_alloc_queue()
1729 queue->data_digest = nctrl->opts->data_digest; in nvme_tcp_alloc_queue()
1730 if (queue->hdr_digest || queue->data_digest) { in nvme_tcp_alloc_queue()
1731 ret = nvme_tcp_alloc_crypto(queue); in nvme_tcp_alloc_queue()
1734 "failed to allocate queue %d crypto\n", qid); in nvme_tcp_alloc_queue()
1740 nvme_tcp_hdgst_len(queue); in nvme_tcp_alloc_queue()
1741 queue->pdu = kmalloc(rcv_pdu_size, GFP_KERNEL); in nvme_tcp_alloc_queue()
1742 if (!queue->pdu) { in nvme_tcp_alloc_queue()
1747 dev_dbg(nctrl->device, "connecting queue %d\n", in nvme_tcp_alloc_queue()
1748 nvme_tcp_queue_id(queue)); in nvme_tcp_alloc_queue()
1750 ret = kernel_connect(queue->sock, (struct sockaddr *)&ctrl->addr, in nvme_tcp_alloc_queue()
1760 ret = nvme_tcp_start_tls(nctrl, queue, pskid); in nvme_tcp_alloc_queue()
1765 ret = nvme_tcp_init_connection(queue); in nvme_tcp_alloc_queue()
1769 set_bit(NVME_TCP_Q_ALLOCATED, &queue->flags); in nvme_tcp_alloc_queue()
1774 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in nvme_tcp_alloc_queue()
1776 kfree(queue->pdu); in nvme_tcp_alloc_queue()
1778 if (queue->hdr_digest || queue->data_digest) in nvme_tcp_alloc_queue()
1779 nvme_tcp_free_crypto(queue); in nvme_tcp_alloc_queue()
1782 fput(queue->sock->file); in nvme_tcp_alloc_queue()
1783 queue->sock = NULL; in nvme_tcp_alloc_queue()
1785 mutex_destroy(&queue->send_mutex); in nvme_tcp_alloc_queue()
1786 mutex_destroy(&queue->queue_lock); in nvme_tcp_alloc_queue()
1790 static void nvme_tcp_restore_sock_ops(struct nvme_tcp_queue *queue) in nvme_tcp_restore_sock_ops() argument
1792 struct socket *sock = queue->sock; in nvme_tcp_restore_sock_ops()
1796 sock->sk->sk_data_ready = queue->data_ready; in nvme_tcp_restore_sock_ops()
1797 sock->sk->sk_state_change = queue->state_change; in nvme_tcp_restore_sock_ops()
1798 sock->sk->sk_write_space = queue->write_space; in nvme_tcp_restore_sock_ops()
1802 static void __nvme_tcp_stop_queue(struct nvme_tcp_queue *queue) in __nvme_tcp_stop_queue() argument
1804 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in __nvme_tcp_stop_queue()
1805 nvme_tcp_restore_sock_ops(queue); in __nvme_tcp_stop_queue()
1806 cancel_work_sync(&queue->io_work); in __nvme_tcp_stop_queue()
1812 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_stop_queue() local
1814 if (!test_bit(NVME_TCP_Q_ALLOCATED, &queue->flags)) in nvme_tcp_stop_queue()
1817 mutex_lock(&queue->queue_lock); in nvme_tcp_stop_queue()
1818 if (test_and_clear_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_stop_queue()
1819 __nvme_tcp_stop_queue(queue); in nvme_tcp_stop_queue()
1820 mutex_unlock(&queue->queue_lock); in nvme_tcp_stop_queue()
1823 static void nvme_tcp_setup_sock_ops(struct nvme_tcp_queue *queue) in nvme_tcp_setup_sock_ops() argument
1825 write_lock_bh(&queue->sock->sk->sk_callback_lock); in nvme_tcp_setup_sock_ops()
1826 queue->sock->sk->sk_user_data = queue; in nvme_tcp_setup_sock_ops()
1827 queue->state_change = queue->sock->sk->sk_state_change; in nvme_tcp_setup_sock_ops()
1828 queue->data_ready = queue->sock->sk->sk_data_ready; in nvme_tcp_setup_sock_ops()
1829 queue->write_space = queue->sock->sk->sk_write_space; in nvme_tcp_setup_sock_ops()
1830 queue->sock->sk->sk_data_ready = nvme_tcp_data_ready; in nvme_tcp_setup_sock_ops()
1831 queue->sock->sk->sk_state_change = nvme_tcp_state_change; in nvme_tcp_setup_sock_ops()
1832 queue->sock->sk->sk_write_space = nvme_tcp_write_space; in nvme_tcp_setup_sock_ops()
1834 queue->sock->sk->sk_ll_usec = 1; in nvme_tcp_setup_sock_ops()
1836 write_unlock_bh(&queue->sock->sk->sk_callback_lock); in nvme_tcp_setup_sock_ops()
1842 struct nvme_tcp_queue *queue = &ctrl->queues[idx]; in nvme_tcp_start_queue() local
1845 queue->rd_enabled = true; in nvme_tcp_start_queue()
1846 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_start_queue()
1847 nvme_tcp_setup_sock_ops(queue); in nvme_tcp_start_queue()
1855 set_bit(NVME_TCP_Q_LIVE, &queue->flags); in nvme_tcp_start_queue()
1857 if (test_bit(NVME_TCP_Q_ALLOCATED, &queue->flags)) in nvme_tcp_start_queue()
1858 __nvme_tcp_stop_queue(queue); in nvme_tcp_start_queue()
1860 "failed to connect queue: %d ret=%d\n", idx, ret); in nvme_tcp_start_queue()
2021 * queue number might have changed. in nvme_tcp_configure_io_queues()
2368 static void nvme_tcp_set_sg_inline(struct nvme_tcp_queue *queue, in nvme_tcp_set_sg_inline() argument
2373 sg->addr = cpu_to_le64(queue->ctrl->ctrl.icdoff); in nvme_tcp_set_sg_inline()
2392 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_submit_async_event() local
2395 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_submit_async_event()
2399 if (queue->hdr_digest) in nvme_tcp_submit_async_event()
2420 struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; in nvme_tcp_complete_timed_out()
2422 nvme_tcp_stop_queue(ctrl, nvme_tcp_queue_id(req->queue)); in nvme_tcp_complete_timed_out()
2429 struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; in nvme_tcp_timeout()
2432 int qid = nvme_tcp_queue_id(req->queue); in nvme_tcp_timeout()
2465 static blk_status_t nvme_tcp_map_data(struct nvme_tcp_queue *queue, in nvme_tcp_map_data() argument
2478 nvme_tcp_set_sg_inline(queue, c, req->data_len); in nvme_tcp_map_data()
2490 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_setup_cmd_pdu() local
2491 u8 hdgst = nvme_tcp_hdgst_len(queue), ddgst = 0; in nvme_tcp_setup_cmd_pdu()
2517 if (queue->hdr_digest) in nvme_tcp_setup_cmd_pdu()
2519 if (queue->data_digest && req->pdu_len) { in nvme_tcp_setup_cmd_pdu()
2521 ddgst = nvme_tcp_ddgst_len(queue); in nvme_tcp_setup_cmd_pdu()
2528 ret = nvme_tcp_map_data(queue, rq); in nvme_tcp_setup_cmd_pdu()
2531 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_cmd_pdu()
2541 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_commit_rqs() local
2543 if (!llist_empty(&queue->req_list)) in nvme_tcp_commit_rqs()
2544 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_commit_rqs()
2550 struct nvme_ns *ns = hctx->queue->queuedata; in nvme_tcp_queue_rq()
2551 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_queue_rq() local
2554 bool queue_ready = test_bit(NVME_TCP_Q_LIVE, &queue->flags); in nvme_tcp_queue_rq()
2557 if (!nvme_check_ready(&queue->ctrl->ctrl, rq, queue_ready)) in nvme_tcp_queue_rq()
2558 return nvme_fail_nonready_command(&queue->ctrl->ctrl, rq); in nvme_tcp_queue_rq()
2580 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_poll() local
2581 struct sock *sk = queue->sock->sk; in nvme_tcp_poll()
2583 if (!test_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_poll()
2586 set_bit(NVME_TCP_Q_POLLING, &queue->flags); in nvme_tcp_poll()
2589 nvme_tcp_try_recv(queue); in nvme_tcp_poll()
2590 clear_bit(NVME_TCP_Q_POLLING, &queue->flags); in nvme_tcp_poll()
2591 return queue->nr_cqe; in nvme_tcp_poll()
2596 struct nvme_tcp_queue *queue = &to_tcp_ctrl(ctrl)->queues[0]; in nvme_tcp_get_address() local
2602 mutex_lock(&queue->queue_lock); in nvme_tcp_get_address()
2604 if (!test_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_get_address()
2606 ret = kernel_getsockname(queue->sock, (struct sockaddr *)&src_addr); in nvme_tcp_get_address()
2614 mutex_unlock(&queue->queue_lock); in nvme_tcp_get_address()