Lines Matching refs:queue
43 struct nvme_tcp_queue *queue; member
139 static int nvme_tcp_try_send(struct nvme_tcp_queue *queue);
146 static inline int nvme_tcp_queue_id(struct nvme_tcp_queue *queue) in nvme_tcp_queue_id() argument
148 return queue - queue->ctrl->queues; in nvme_tcp_queue_id()
151 static inline struct blk_mq_tags *nvme_tcp_tagset(struct nvme_tcp_queue *queue) in nvme_tcp_tagset() argument
153 u32 queue_idx = nvme_tcp_queue_id(queue); in nvme_tcp_tagset()
156 return queue->ctrl->admin_tag_set.tags[queue_idx]; in nvme_tcp_tagset()
157 return queue->ctrl->tag_set.tags[queue_idx - 1]; in nvme_tcp_tagset()
160 static inline u8 nvme_tcp_hdgst_len(struct nvme_tcp_queue *queue) in nvme_tcp_hdgst_len() argument
162 return queue->hdr_digest ? NVME_TCP_DIGEST_LENGTH : 0; in nvme_tcp_hdgst_len()
165 static inline u8 nvme_tcp_ddgst_len(struct nvme_tcp_queue *queue) in nvme_tcp_ddgst_len() argument
167 return queue->data_digest ? NVME_TCP_DIGEST_LENGTH : 0; in nvme_tcp_ddgst_len()
170 static inline size_t nvme_tcp_inline_data_size(struct nvme_tcp_queue *queue) in nvme_tcp_inline_data_size() argument
172 return queue->cmnd_capsule_len - sizeof(struct nvme_command); in nvme_tcp_inline_data_size()
177 return req == &req->queue->ctrl->async_req; in nvme_tcp_async_req()
190 req->data_len <= nvme_tcp_inline_data_size(req->queue); in nvme_tcp_has_inline_data()
266 static inline void nvme_tcp_send_all(struct nvme_tcp_queue *queue) in nvme_tcp_send_all() argument
272 ret = nvme_tcp_try_send(queue); in nvme_tcp_send_all()
276 static inline bool nvme_tcp_queue_more(struct nvme_tcp_queue *queue) in nvme_tcp_queue_more() argument
278 return !list_empty(&queue->send_list) || in nvme_tcp_queue_more()
279 !llist_empty(&queue->req_list) || queue->more_requests; in nvme_tcp_queue_more()
285 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_queue_request() local
288 empty = llist_add(&req->lentry, &queue->req_list) && in nvme_tcp_queue_request()
289 list_empty(&queue->send_list) && !queue->request; in nvme_tcp_queue_request()
296 if (queue->io_cpu == raw_smp_processor_id() && in nvme_tcp_queue_request()
297 sync && empty && mutex_trylock(&queue->send_mutex)) { in nvme_tcp_queue_request()
298 queue->more_requests = !last; in nvme_tcp_queue_request()
299 nvme_tcp_send_all(queue); in nvme_tcp_queue_request()
300 queue->more_requests = false; in nvme_tcp_queue_request()
301 mutex_unlock(&queue->send_mutex); in nvme_tcp_queue_request()
304 if (last && nvme_tcp_queue_more(queue)) in nvme_tcp_queue_request()
305 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_queue_request()
308 static void nvme_tcp_process_req_list(struct nvme_tcp_queue *queue) in nvme_tcp_process_req_list() argument
313 for (node = llist_del_all(&queue->req_list); node; node = node->next) { in nvme_tcp_process_req_list()
315 list_add(&req->entry, &queue->send_list); in nvme_tcp_process_req_list()
320 nvme_tcp_fetch_request(struct nvme_tcp_queue *queue) in nvme_tcp_fetch_request() argument
324 req = list_first_entry_or_null(&queue->send_list, in nvme_tcp_fetch_request()
327 nvme_tcp_process_req_list(queue); in nvme_tcp_fetch_request()
328 req = list_first_entry_or_null(&queue->send_list, in nvme_tcp_fetch_request()
366 static int nvme_tcp_verify_hdgst(struct nvme_tcp_queue *queue, in nvme_tcp_verify_hdgst() argument
374 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_verify_hdgst()
376 nvme_tcp_queue_id(queue)); in nvme_tcp_verify_hdgst()
381 nvme_tcp_hdgst(queue->rcv_hash, pdu, pdu_len); in nvme_tcp_verify_hdgst()
384 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_verify_hdgst()
393 static int nvme_tcp_check_ddgst(struct nvme_tcp_queue *queue, void *pdu) in nvme_tcp_check_ddgst() argument
396 u8 digest_len = nvme_tcp_hdgst_len(queue); in nvme_tcp_check_ddgst()
403 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_check_ddgst()
405 nvme_tcp_queue_id(queue)); in nvme_tcp_check_ddgst()
408 crypto_ahash_init(queue->rcv_hash); in nvme_tcp_check_ddgst()
428 struct nvme_tcp_queue *queue = &ctrl->queues[queue_idx]; in nvme_tcp_init_request() local
429 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_init_request()
431 req->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_init_request()
437 req->queue = queue; in nvme_tcp_init_request()
447 struct nvme_tcp_queue *queue = &ctrl->queues[hctx_idx + 1]; in nvme_tcp_init_hctx() local
449 hctx->driver_data = queue; in nvme_tcp_init_hctx()
457 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_init_admin_hctx() local
459 hctx->driver_data = queue; in nvme_tcp_init_admin_hctx()
464 nvme_tcp_recv_state(struct nvme_tcp_queue *queue) in nvme_tcp_recv_state() argument
466 return (queue->pdu_remaining) ? NVME_TCP_RECV_PDU : in nvme_tcp_recv_state()
467 (queue->ddgst_remaining) ? NVME_TCP_RECV_DDGST : in nvme_tcp_recv_state()
471 static void nvme_tcp_init_recv_ctx(struct nvme_tcp_queue *queue) in nvme_tcp_init_recv_ctx() argument
473 queue->pdu_remaining = sizeof(struct nvme_tcp_rsp_pdu) + in nvme_tcp_init_recv_ctx()
474 nvme_tcp_hdgst_len(queue); in nvme_tcp_init_recv_ctx()
475 queue->pdu_offset = 0; in nvme_tcp_init_recv_ctx()
476 queue->data_remaining = -1; in nvme_tcp_init_recv_ctx()
477 queue->ddgst_remaining = 0; in nvme_tcp_init_recv_ctx()
489 static int nvme_tcp_process_nvme_cqe(struct nvme_tcp_queue *queue, in nvme_tcp_process_nvme_cqe() argument
494 rq = nvme_find_rq(nvme_tcp_tagset(queue), cqe->command_id); in nvme_tcp_process_nvme_cqe()
496 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_process_nvme_cqe()
498 cqe->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_process_nvme_cqe()
499 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_process_nvme_cqe()
505 queue->nr_cqe++; in nvme_tcp_process_nvme_cqe()
510 static int nvme_tcp_handle_c2h_data(struct nvme_tcp_queue *queue, in nvme_tcp_handle_c2h_data() argument
515 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_c2h_data()
517 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
519 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_c2h_data()
524 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
526 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_handle_c2h_data()
530 queue->data_remaining = le32_to_cpu(pdu->data_length); in nvme_tcp_handle_c2h_data()
534 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
536 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_handle_c2h_data()
537 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_handle_c2h_data()
544 static int nvme_tcp_handle_comp(struct nvme_tcp_queue *queue, in nvme_tcp_handle_comp() argument
556 if (unlikely(nvme_is_aen_req(nvme_tcp_queue_id(queue), in nvme_tcp_handle_comp()
558 nvme_complete_async_event(&queue->ctrl->ctrl, cqe->status, in nvme_tcp_handle_comp()
561 ret = nvme_tcp_process_nvme_cqe(queue, cqe); in nvme_tcp_handle_comp()
570 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_setup_h2c_data_pdu() local
572 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_setup_h2c_data_pdu()
573 u8 ddgst = nvme_tcp_ddgst_len(queue); in nvme_tcp_setup_h2c_data_pdu()
579 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_h2c_data_pdu()
586 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_h2c_data_pdu()
594 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_h2c_data_pdu()
604 if (queue->hdr_digest) in nvme_tcp_setup_h2c_data_pdu()
606 if (queue->data_digest) in nvme_tcp_setup_h2c_data_pdu()
619 static int nvme_tcp_handle_r2t(struct nvme_tcp_queue *queue, in nvme_tcp_handle_r2t() argument
626 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_r2t()
628 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
630 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_r2t()
647 static int nvme_tcp_recv_pdu(struct nvme_tcp_queue *queue, struct sk_buff *skb, in nvme_tcp_recv_pdu() argument
651 char *pdu = queue->pdu; in nvme_tcp_recv_pdu()
652 size_t rcv_len = min_t(size_t, *len, queue->pdu_remaining); in nvme_tcp_recv_pdu()
656 &pdu[queue->pdu_offset], rcv_len); in nvme_tcp_recv_pdu()
660 queue->pdu_remaining -= rcv_len; in nvme_tcp_recv_pdu()
661 queue->pdu_offset += rcv_len; in nvme_tcp_recv_pdu()
664 if (queue->pdu_remaining) in nvme_tcp_recv_pdu()
667 hdr = queue->pdu; in nvme_tcp_recv_pdu()
668 if (queue->hdr_digest) { in nvme_tcp_recv_pdu()
669 ret = nvme_tcp_verify_hdgst(queue, queue->pdu, hdr->hlen); in nvme_tcp_recv_pdu()
675 if (queue->data_digest) { in nvme_tcp_recv_pdu()
676 ret = nvme_tcp_check_ddgst(queue, queue->pdu); in nvme_tcp_recv_pdu()
683 return nvme_tcp_handle_c2h_data(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
685 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_pdu()
686 return nvme_tcp_handle_comp(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
688 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_pdu()
689 return nvme_tcp_handle_r2t(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
691 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_pdu()
705 static int nvme_tcp_recv_data(struct nvme_tcp_queue *queue, struct sk_buff *skb, in nvme_tcp_recv_data() argument
708 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_data()
710 nvme_cid_to_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_recv_data()
716 recv_len = min_t(size_t, *len, queue->data_remaining); in nvme_tcp_recv_data()
728 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_data()
730 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_recv_data()
731 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_data()
741 if (queue->data_digest) in nvme_tcp_recv_data()
743 &req->iter, recv_len, queue->rcv_hash); in nvme_tcp_recv_data()
748 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_data()
750 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_recv_data()
756 queue->data_remaining -= recv_len; in nvme_tcp_recv_data()
759 if (!queue->data_remaining) { in nvme_tcp_recv_data()
760 if (queue->data_digest) { in nvme_tcp_recv_data()
761 nvme_tcp_ddgst_final(queue->rcv_hash, &queue->exp_ddgst); in nvme_tcp_recv_data()
762 queue->ddgst_remaining = NVME_TCP_DIGEST_LENGTH; in nvme_tcp_recv_data()
766 queue->nr_cqe++; in nvme_tcp_recv_data()
768 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_data()
775 static int nvme_tcp_recv_ddgst(struct nvme_tcp_queue *queue, in nvme_tcp_recv_ddgst() argument
778 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_ddgst()
779 char *ddgst = (char *)&queue->recv_ddgst; in nvme_tcp_recv_ddgst()
780 size_t recv_len = min_t(size_t, *len, queue->ddgst_remaining); in nvme_tcp_recv_ddgst()
781 off_t off = NVME_TCP_DIGEST_LENGTH - queue->ddgst_remaining; in nvme_tcp_recv_ddgst()
788 queue->ddgst_remaining -= recv_len; in nvme_tcp_recv_ddgst()
791 if (queue->ddgst_remaining) in nvme_tcp_recv_ddgst()
794 if (queue->recv_ddgst != queue->exp_ddgst) { in nvme_tcp_recv_ddgst()
795 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_ddgst()
797 le32_to_cpu(queue->recv_ddgst), in nvme_tcp_recv_ddgst()
798 le32_to_cpu(queue->exp_ddgst)); in nvme_tcp_recv_ddgst()
803 struct request *rq = nvme_cid_to_rq(nvme_tcp_tagset(queue), in nvme_tcp_recv_ddgst()
807 queue->nr_cqe++; in nvme_tcp_recv_ddgst()
810 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_ddgst()
817 struct nvme_tcp_queue *queue = desc->arg.data; in nvme_tcp_recv_skb() local
822 switch (nvme_tcp_recv_state(queue)) { in nvme_tcp_recv_skb()
824 result = nvme_tcp_recv_pdu(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
827 result = nvme_tcp_recv_data(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
830 result = nvme_tcp_recv_ddgst(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
836 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_skb()
838 queue->rd_enabled = false; in nvme_tcp_recv_skb()
839 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_recv_skb()
849 struct nvme_tcp_queue *queue; in nvme_tcp_data_ready() local
852 queue = sk->sk_user_data; in nvme_tcp_data_ready()
853 if (likely(queue && queue->rd_enabled) && in nvme_tcp_data_ready()
854 !test_bit(NVME_TCP_Q_POLLING, &queue->flags)) in nvme_tcp_data_ready()
855 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_data_ready()
861 struct nvme_tcp_queue *queue; in nvme_tcp_write_space() local
864 queue = sk->sk_user_data; in nvme_tcp_write_space()
865 if (likely(queue && sk_stream_is_writeable(sk))) { in nvme_tcp_write_space()
867 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_write_space()
874 struct nvme_tcp_queue *queue; in nvme_tcp_state_change() local
877 queue = sk->sk_user_data; in nvme_tcp_state_change()
878 if (!queue) in nvme_tcp_state_change()
887 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_state_change()
890 dev_info(queue->ctrl->ctrl.device, in nvme_tcp_state_change()
892 nvme_tcp_queue_id(queue), sk->sk_state); in nvme_tcp_state_change()
895 queue->state_change(sk); in nvme_tcp_state_change()
900 static inline void nvme_tcp_done_send_req(struct nvme_tcp_queue *queue) in nvme_tcp_done_send_req() argument
902 queue->request = NULL; in nvme_tcp_done_send_req()
912 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_data() local
923 if (last && !queue->data_digest && !nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_data()
929 ret = kernel_sendpage(queue->sock, page, offset, len, in nvme_tcp_try_send_data()
932 ret = sock_no_sendpage(queue->sock, page, offset, len, in nvme_tcp_try_send_data()
938 if (queue->data_digest) in nvme_tcp_try_send_data()
939 nvme_tcp_ddgst_update(queue->snd_hash, page, in nvme_tcp_try_send_data()
952 if (queue->data_digest) { in nvme_tcp_try_send_data()
953 nvme_tcp_ddgst_final(queue->snd_hash, in nvme_tcp_try_send_data()
958 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_data()
968 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_cmd_pdu() local
971 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_try_send_cmd_pdu()
976 if (inline_data || nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_cmd_pdu()
981 if (queue->hdr_digest && !req->offset) in nvme_tcp_try_send_cmd_pdu()
982 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_cmd_pdu()
984 ret = kernel_sendpage(queue->sock, virt_to_page(pdu), in nvme_tcp_try_send_cmd_pdu()
993 if (queue->data_digest) in nvme_tcp_try_send_cmd_pdu()
994 crypto_ahash_init(queue->snd_hash); in nvme_tcp_try_send_cmd_pdu()
997 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_cmd_pdu()
1008 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_data_pdu() local
1010 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_try_send_data_pdu()
1014 if (queue->hdr_digest && !req->offset) in nvme_tcp_try_send_data_pdu()
1015 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_data_pdu()
1017 ret = kernel_sendpage(queue->sock, virt_to_page(pdu), in nvme_tcp_try_send_data_pdu()
1026 if (queue->data_digest) in nvme_tcp_try_send_data_pdu()
1027 crypto_ahash_init(queue->snd_hash); in nvme_tcp_try_send_data_pdu()
1039 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_ddgst() local
1048 if (nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_ddgst()
1053 ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len); in nvme_tcp_try_send_ddgst()
1058 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_ddgst()
1066 static int nvme_tcp_try_send(struct nvme_tcp_queue *queue) in nvme_tcp_try_send() argument
1071 if (!queue->request) { in nvme_tcp_try_send()
1072 queue->request = nvme_tcp_fetch_request(queue); in nvme_tcp_try_send()
1073 if (!queue->request) in nvme_tcp_try_send()
1076 req = queue->request; in nvme_tcp_try_send()
1104 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_try_send()
1107 nvme_tcp_fail_request(queue->request); in nvme_tcp_try_send()
1108 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send()
1113 static int nvme_tcp_try_recv(struct nvme_tcp_queue *queue) in nvme_tcp_try_recv() argument
1115 struct socket *sock = queue->sock; in nvme_tcp_try_recv()
1120 rd_desc.arg.data = queue; in nvme_tcp_try_recv()
1123 queue->nr_cqe = 0; in nvme_tcp_try_recv()
1131 struct nvme_tcp_queue *queue = in nvme_tcp_io_work() local
1139 if (mutex_trylock(&queue->send_mutex)) { in nvme_tcp_io_work()
1140 result = nvme_tcp_try_send(queue); in nvme_tcp_io_work()
1141 mutex_unlock(&queue->send_mutex); in nvme_tcp_io_work()
1148 result = nvme_tcp_try_recv(queue); in nvme_tcp_io_work()
1159 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_io_work()
1162 static void nvme_tcp_free_crypto(struct nvme_tcp_queue *queue) in nvme_tcp_free_crypto() argument
1164 struct crypto_ahash *tfm = crypto_ahash_reqtfm(queue->rcv_hash); in nvme_tcp_free_crypto()
1166 ahash_request_free(queue->rcv_hash); in nvme_tcp_free_crypto()
1167 ahash_request_free(queue->snd_hash); in nvme_tcp_free_crypto()
1171 static int nvme_tcp_alloc_crypto(struct nvme_tcp_queue *queue) in nvme_tcp_alloc_crypto() argument
1179 queue->snd_hash = ahash_request_alloc(tfm, GFP_KERNEL); in nvme_tcp_alloc_crypto()
1180 if (!queue->snd_hash) in nvme_tcp_alloc_crypto()
1182 ahash_request_set_callback(queue->snd_hash, 0, NULL, NULL); in nvme_tcp_alloc_crypto()
1184 queue->rcv_hash = ahash_request_alloc(tfm, GFP_KERNEL); in nvme_tcp_alloc_crypto()
1185 if (!queue->rcv_hash) in nvme_tcp_alloc_crypto()
1187 ahash_request_set_callback(queue->rcv_hash, 0, NULL, NULL); in nvme_tcp_alloc_crypto()
1191 ahash_request_free(queue->snd_hash); in nvme_tcp_alloc_crypto()
1206 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_alloc_async_req() local
1208 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_alloc_async_req()
1210 async->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_alloc_async_req()
1216 async->queue = &ctrl->queues[0]; in nvme_tcp_alloc_async_req()
1223 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_free_queue() local
1225 if (!test_and_clear_bit(NVME_TCP_Q_ALLOCATED, &queue->flags)) in nvme_tcp_free_queue()
1228 if (queue->hdr_digest || queue->data_digest) in nvme_tcp_free_queue()
1229 nvme_tcp_free_crypto(queue); in nvme_tcp_free_queue()
1231 sock_release(queue->sock); in nvme_tcp_free_queue()
1232 kfree(queue->pdu); in nvme_tcp_free_queue()
1233 mutex_destroy(&queue->queue_lock); in nvme_tcp_free_queue()
1236 static int nvme_tcp_init_connection(struct nvme_tcp_queue *queue) in nvme_tcp_init_connection() argument
1262 if (queue->hdr_digest) in nvme_tcp_init_connection()
1264 if (queue->data_digest) in nvme_tcp_init_connection()
1269 ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len); in nvme_tcp_init_connection()
1276 ret = kernel_recvmsg(queue->sock, &msg, &iov, 1, in nvme_tcp_init_connection()
1284 nvme_tcp_queue_id(queue), icresp->hdr.type); in nvme_tcp_init_connection()
1290 nvme_tcp_queue_id(queue), icresp->hdr.plen); in nvme_tcp_init_connection()
1296 nvme_tcp_queue_id(queue), icresp->pfv); in nvme_tcp_init_connection()
1301 if ((queue->data_digest && !ctrl_ddgst) || in nvme_tcp_init_connection()
1302 (!queue->data_digest && ctrl_ddgst)) { in nvme_tcp_init_connection()
1304 nvme_tcp_queue_id(queue), in nvme_tcp_init_connection()
1305 queue->data_digest ? "enabled" : "disabled", in nvme_tcp_init_connection()
1311 if ((queue->hdr_digest && !ctrl_hdgst) || in nvme_tcp_init_connection()
1312 (!queue->hdr_digest && ctrl_hdgst)) { in nvme_tcp_init_connection()
1314 nvme_tcp_queue_id(queue), in nvme_tcp_init_connection()
1315 queue->hdr_digest ? "enabled" : "disabled", in nvme_tcp_init_connection()
1322 nvme_tcp_queue_id(queue), icresp->cpda); in nvme_tcp_init_connection()
1334 static bool nvme_tcp_admin_queue(struct nvme_tcp_queue *queue) in nvme_tcp_admin_queue() argument
1336 return nvme_tcp_queue_id(queue) == 0; in nvme_tcp_admin_queue()
1339 static bool nvme_tcp_default_queue(struct nvme_tcp_queue *queue) in nvme_tcp_default_queue() argument
1341 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_default_queue()
1342 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_default_queue()
1344 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_default_queue()
1348 static bool nvme_tcp_read_queue(struct nvme_tcp_queue *queue) in nvme_tcp_read_queue() argument
1350 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_read_queue()
1351 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_read_queue()
1353 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_read_queue()
1354 !nvme_tcp_default_queue(queue) && in nvme_tcp_read_queue()
1359 static bool nvme_tcp_poll_queue(struct nvme_tcp_queue *queue) in nvme_tcp_poll_queue() argument
1361 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_poll_queue()
1362 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_poll_queue()
1364 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_poll_queue()
1365 !nvme_tcp_default_queue(queue) && in nvme_tcp_poll_queue()
1366 !nvme_tcp_read_queue(queue) && in nvme_tcp_poll_queue()
1372 static void nvme_tcp_set_queue_io_cpu(struct nvme_tcp_queue *queue) in nvme_tcp_set_queue_io_cpu() argument
1374 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_set_queue_io_cpu()
1375 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_set_queue_io_cpu()
1378 if (nvme_tcp_default_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1380 else if (nvme_tcp_read_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1382 else if (nvme_tcp_poll_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1385 queue->io_cpu = cpumask_next_wrap(n - 1, cpu_online_mask, -1, false); in nvme_tcp_set_queue_io_cpu()
1392 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_alloc_queue() local
1395 mutex_init(&queue->queue_lock); in nvme_tcp_alloc_queue()
1396 queue->ctrl = ctrl; in nvme_tcp_alloc_queue()
1397 init_llist_head(&queue->req_list); in nvme_tcp_alloc_queue()
1398 INIT_LIST_HEAD(&queue->send_list); in nvme_tcp_alloc_queue()
1399 mutex_init(&queue->send_mutex); in nvme_tcp_alloc_queue()
1400 INIT_WORK(&queue->io_work, nvme_tcp_io_work); in nvme_tcp_alloc_queue()
1401 queue->queue_size = queue_size; in nvme_tcp_alloc_queue()
1404 queue->cmnd_capsule_len = nctrl->ioccsz * 16; in nvme_tcp_alloc_queue()
1406 queue->cmnd_capsule_len = sizeof(struct nvme_command) + in nvme_tcp_alloc_queue()
1410 IPPROTO_TCP, &queue->sock); in nvme_tcp_alloc_queue()
1418 tcp_sock_set_syncnt(queue->sock->sk, 1); in nvme_tcp_alloc_queue()
1421 tcp_sock_set_nodelay(queue->sock->sk); in nvme_tcp_alloc_queue()
1428 sock_no_linger(queue->sock->sk); in nvme_tcp_alloc_queue()
1431 sock_set_priority(queue->sock->sk, so_priority); in nvme_tcp_alloc_queue()
1435 ip_sock_set_tos(queue->sock->sk, nctrl->opts->tos); in nvme_tcp_alloc_queue()
1438 queue->sock->sk->sk_rcvtimeo = 10 * HZ; in nvme_tcp_alloc_queue()
1440 queue->sock->sk->sk_allocation = GFP_ATOMIC; in nvme_tcp_alloc_queue()
1441 nvme_tcp_set_queue_io_cpu(queue); in nvme_tcp_alloc_queue()
1442 queue->request = NULL; in nvme_tcp_alloc_queue()
1443 queue->data_remaining = 0; in nvme_tcp_alloc_queue()
1444 queue->ddgst_remaining = 0; in nvme_tcp_alloc_queue()
1445 queue->pdu_remaining = 0; in nvme_tcp_alloc_queue()
1446 queue->pdu_offset = 0; in nvme_tcp_alloc_queue()
1447 sk_set_memalloc(queue->sock->sk); in nvme_tcp_alloc_queue()
1450 ret = kernel_bind(queue->sock, (struct sockaddr *)&ctrl->src_addr, in nvme_tcp_alloc_queue()
1460 queue->hdr_digest = nctrl->opts->hdr_digest; in nvme_tcp_alloc_queue()
1461 queue->data_digest = nctrl->opts->data_digest; in nvme_tcp_alloc_queue()
1462 if (queue->hdr_digest || queue->data_digest) { in nvme_tcp_alloc_queue()
1463 ret = nvme_tcp_alloc_crypto(queue); in nvme_tcp_alloc_queue()
1472 nvme_tcp_hdgst_len(queue); in nvme_tcp_alloc_queue()
1473 queue->pdu = kmalloc(rcv_pdu_size, GFP_KERNEL); in nvme_tcp_alloc_queue()
1474 if (!queue->pdu) { in nvme_tcp_alloc_queue()
1480 nvme_tcp_queue_id(queue)); in nvme_tcp_alloc_queue()
1482 ret = kernel_connect(queue->sock, (struct sockaddr *)&ctrl->addr, in nvme_tcp_alloc_queue()
1490 ret = nvme_tcp_init_connection(queue); in nvme_tcp_alloc_queue()
1494 queue->rd_enabled = true; in nvme_tcp_alloc_queue()
1495 set_bit(NVME_TCP_Q_ALLOCATED, &queue->flags); in nvme_tcp_alloc_queue()
1496 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_alloc_queue()
1498 write_lock_bh(&queue->sock->sk->sk_callback_lock); in nvme_tcp_alloc_queue()
1499 queue->sock->sk->sk_user_data = queue; in nvme_tcp_alloc_queue()
1500 queue->state_change = queue->sock->sk->sk_state_change; in nvme_tcp_alloc_queue()
1501 queue->data_ready = queue->sock->sk->sk_data_ready; in nvme_tcp_alloc_queue()
1502 queue->write_space = queue->sock->sk->sk_write_space; in nvme_tcp_alloc_queue()
1503 queue->sock->sk->sk_data_ready = nvme_tcp_data_ready; in nvme_tcp_alloc_queue()
1504 queue->sock->sk->sk_state_change = nvme_tcp_state_change; in nvme_tcp_alloc_queue()
1505 queue->sock->sk->sk_write_space = nvme_tcp_write_space; in nvme_tcp_alloc_queue()
1507 queue->sock->sk->sk_ll_usec = 1; in nvme_tcp_alloc_queue()
1509 write_unlock_bh(&queue->sock->sk->sk_callback_lock); in nvme_tcp_alloc_queue()
1514 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in nvme_tcp_alloc_queue()
1516 kfree(queue->pdu); in nvme_tcp_alloc_queue()
1518 if (queue->hdr_digest || queue->data_digest) in nvme_tcp_alloc_queue()
1519 nvme_tcp_free_crypto(queue); in nvme_tcp_alloc_queue()
1521 sock_release(queue->sock); in nvme_tcp_alloc_queue()
1522 queue->sock = NULL; in nvme_tcp_alloc_queue()
1524 mutex_destroy(&queue->queue_lock); in nvme_tcp_alloc_queue()
1528 static void nvme_tcp_restore_sock_calls(struct nvme_tcp_queue *queue) in nvme_tcp_restore_sock_calls() argument
1530 struct socket *sock = queue->sock; in nvme_tcp_restore_sock_calls()
1534 sock->sk->sk_data_ready = queue->data_ready; in nvme_tcp_restore_sock_calls()
1535 sock->sk->sk_state_change = queue->state_change; in nvme_tcp_restore_sock_calls()
1536 sock->sk->sk_write_space = queue->write_space; in nvme_tcp_restore_sock_calls()
1540 static void __nvme_tcp_stop_queue(struct nvme_tcp_queue *queue) in __nvme_tcp_stop_queue() argument
1542 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in __nvme_tcp_stop_queue()
1543 nvme_tcp_restore_sock_calls(queue); in __nvme_tcp_stop_queue()
1544 cancel_work_sync(&queue->io_work); in __nvme_tcp_stop_queue()
1550 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_stop_queue() local
1552 mutex_lock(&queue->queue_lock); in nvme_tcp_stop_queue()
1553 if (test_and_clear_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_stop_queue()
1554 __nvme_tcp_stop_queue(queue); in nvme_tcp_stop_queue()
1555 mutex_unlock(&queue->queue_lock); in nvme_tcp_stop_queue()
2159 static void nvme_tcp_set_sg_inline(struct nvme_tcp_queue *queue, in nvme_tcp_set_sg_inline() argument
2164 sg->addr = cpu_to_le64(queue->ctrl->ctrl.icdoff); in nvme_tcp_set_sg_inline()
2183 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_submit_async_event() local
2186 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_submit_async_event()
2190 if (queue->hdr_digest) in nvme_tcp_submit_async_event()
2211 struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; in nvme_tcp_complete_timed_out()
2213 nvme_tcp_stop_queue(ctrl, nvme_tcp_queue_id(req->queue)); in nvme_tcp_complete_timed_out()
2224 struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; in nvme_tcp_timeout()
2229 nvme_tcp_queue_id(req->queue), rq->tag, pdu->hdr.type); in nvme_tcp_timeout()
2257 static blk_status_t nvme_tcp_map_data(struct nvme_tcp_queue *queue, in nvme_tcp_map_data() argument
2269 req->data_len <= nvme_tcp_inline_data_size(queue)) in nvme_tcp_map_data()
2270 nvme_tcp_set_sg_inline(queue, c, req->data_len); in nvme_tcp_map_data()
2282 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_setup_cmd_pdu() local
2283 u8 hdgst = nvme_tcp_hdgst_len(queue), ddgst = 0; in nvme_tcp_setup_cmd_pdu()
2300 req->data_len <= nvme_tcp_inline_data_size(queue)) in nvme_tcp_setup_cmd_pdu()
2307 if (queue->hdr_digest) in nvme_tcp_setup_cmd_pdu()
2309 if (queue->data_digest && req->pdu_len) { in nvme_tcp_setup_cmd_pdu()
2311 ddgst = nvme_tcp_ddgst_len(queue); in nvme_tcp_setup_cmd_pdu()
2318 ret = nvme_tcp_map_data(queue, rq); in nvme_tcp_setup_cmd_pdu()
2321 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_cmd_pdu()
2331 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_commit_rqs() local
2333 if (!llist_empty(&queue->req_list)) in nvme_tcp_commit_rqs()
2334 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_commit_rqs()
2340 struct nvme_ns *ns = hctx->queue->queuedata; in nvme_tcp_queue_rq()
2341 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_queue_rq() local
2344 bool queue_ready = test_bit(NVME_TCP_Q_LIVE, &queue->flags); in nvme_tcp_queue_rq()
2347 if (!nvmf_check_ready(&queue->ctrl->ctrl, rq, queue_ready)) in nvme_tcp_queue_rq()
2348 return nvmf_fail_nonready_command(&queue->ctrl->ctrl, rq); in nvme_tcp_queue_rq()
2408 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_poll() local
2409 struct sock *sk = queue->sock->sk; in nvme_tcp_poll()
2411 if (!test_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_poll()
2414 set_bit(NVME_TCP_Q_POLLING, &queue->flags); in nvme_tcp_poll()
2417 nvme_tcp_try_recv(queue); in nvme_tcp_poll()
2418 clear_bit(NVME_TCP_Q_POLLING, &queue->flags); in nvme_tcp_poll()
2419 return queue->nr_cqe; in nvme_tcp_poll()