Lines Matching refs:queue
82 struct nvme_tcp_queue *queue; member
180 static int nvme_tcp_try_send(struct nvme_tcp_queue *queue);
187 static inline int nvme_tcp_queue_id(struct nvme_tcp_queue *queue) in nvme_tcp_queue_id() argument
189 return queue - queue->ctrl->queues; in nvme_tcp_queue_id()
192 static inline struct blk_mq_tags *nvme_tcp_tagset(struct nvme_tcp_queue *queue) in nvme_tcp_tagset() argument
194 u32 queue_idx = nvme_tcp_queue_id(queue); in nvme_tcp_tagset()
197 return queue->ctrl->admin_tag_set.tags[queue_idx]; in nvme_tcp_tagset()
198 return queue->ctrl->tag_set.tags[queue_idx - 1]; in nvme_tcp_tagset()
201 static inline u8 nvme_tcp_hdgst_len(struct nvme_tcp_queue *queue) in nvme_tcp_hdgst_len() argument
203 return queue->hdr_digest ? NVME_TCP_DIGEST_LENGTH : 0; in nvme_tcp_hdgst_len()
206 static inline u8 nvme_tcp_ddgst_len(struct nvme_tcp_queue *queue) in nvme_tcp_ddgst_len() argument
208 return queue->data_digest ? NVME_TCP_DIGEST_LENGTH : 0; in nvme_tcp_ddgst_len()
215 return req->queue->cmnd_capsule_len - sizeof(struct nvme_command); in nvme_tcp_inline_data_size()
220 return req == &req->queue->ctrl->async_req; in nvme_tcp_async_req()
309 static inline void nvme_tcp_send_all(struct nvme_tcp_queue *queue) in nvme_tcp_send_all() argument
315 ret = nvme_tcp_try_send(queue); in nvme_tcp_send_all()
319 static inline bool nvme_tcp_queue_more(struct nvme_tcp_queue *queue) in nvme_tcp_queue_more() argument
321 return !list_empty(&queue->send_list) || in nvme_tcp_queue_more()
322 !llist_empty(&queue->req_list); in nvme_tcp_queue_more()
328 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_queue_request() local
331 empty = llist_add(&req->lentry, &queue->req_list) && in nvme_tcp_queue_request()
332 list_empty(&queue->send_list) && !queue->request; in nvme_tcp_queue_request()
339 if (queue->io_cpu == raw_smp_processor_id() && in nvme_tcp_queue_request()
340 sync && empty && mutex_trylock(&queue->send_mutex)) { in nvme_tcp_queue_request()
341 nvme_tcp_send_all(queue); in nvme_tcp_queue_request()
342 mutex_unlock(&queue->send_mutex); in nvme_tcp_queue_request()
345 if (last && nvme_tcp_queue_more(queue)) in nvme_tcp_queue_request()
346 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_queue_request()
349 static void nvme_tcp_process_req_list(struct nvme_tcp_queue *queue) in nvme_tcp_process_req_list() argument
354 for (node = llist_del_all(&queue->req_list); node; node = node->next) { in nvme_tcp_process_req_list()
356 list_add(&req->entry, &queue->send_list); in nvme_tcp_process_req_list()
361 nvme_tcp_fetch_request(struct nvme_tcp_queue *queue) in nvme_tcp_fetch_request() argument
365 req = list_first_entry_or_null(&queue->send_list, in nvme_tcp_fetch_request()
368 nvme_tcp_process_req_list(queue); in nvme_tcp_fetch_request()
369 req = list_first_entry_or_null(&queue->send_list, in nvme_tcp_fetch_request()
407 static int nvme_tcp_verify_hdgst(struct nvme_tcp_queue *queue, in nvme_tcp_verify_hdgst() argument
415 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_verify_hdgst()
417 nvme_tcp_queue_id(queue)); in nvme_tcp_verify_hdgst()
422 nvme_tcp_hdgst(queue->rcv_hash, pdu, pdu_len); in nvme_tcp_verify_hdgst()
425 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_verify_hdgst()
434 static int nvme_tcp_check_ddgst(struct nvme_tcp_queue *queue, void *pdu) in nvme_tcp_check_ddgst() argument
437 u8 digest_len = nvme_tcp_hdgst_len(queue); in nvme_tcp_check_ddgst()
444 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_check_ddgst()
446 nvme_tcp_queue_id(queue)); in nvme_tcp_check_ddgst()
449 crypto_ahash_init(queue->rcv_hash); in nvme_tcp_check_ddgst()
470 struct nvme_tcp_queue *queue = &ctrl->queues[queue_idx]; in nvme_tcp_init_request() local
471 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_init_request()
473 req->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_init_request()
480 req->queue = queue; in nvme_tcp_init_request()
491 struct nvme_tcp_queue *queue = &ctrl->queues[hctx_idx + 1]; in nvme_tcp_init_hctx() local
493 hctx->driver_data = queue; in nvme_tcp_init_hctx()
501 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_init_admin_hctx() local
503 hctx->driver_data = queue; in nvme_tcp_init_admin_hctx()
508 nvme_tcp_recv_state(struct nvme_tcp_queue *queue) in nvme_tcp_recv_state() argument
510 return (queue->pdu_remaining) ? NVME_TCP_RECV_PDU : in nvme_tcp_recv_state()
511 (queue->ddgst_remaining) ? NVME_TCP_RECV_DDGST : in nvme_tcp_recv_state()
515 static void nvme_tcp_init_recv_ctx(struct nvme_tcp_queue *queue) in nvme_tcp_init_recv_ctx() argument
517 queue->pdu_remaining = sizeof(struct nvme_tcp_rsp_pdu) + in nvme_tcp_init_recv_ctx()
518 nvme_tcp_hdgst_len(queue); in nvme_tcp_init_recv_ctx()
519 queue->pdu_offset = 0; in nvme_tcp_init_recv_ctx()
520 queue->data_remaining = -1; in nvme_tcp_init_recv_ctx()
521 queue->ddgst_remaining = 0; in nvme_tcp_init_recv_ctx()
533 static int nvme_tcp_process_nvme_cqe(struct nvme_tcp_queue *queue, in nvme_tcp_process_nvme_cqe() argument
539 rq = nvme_find_rq(nvme_tcp_tagset(queue), cqe->command_id); in nvme_tcp_process_nvme_cqe()
541 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_process_nvme_cqe()
543 cqe->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_process_nvme_cqe()
544 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_process_nvme_cqe()
554 queue->nr_cqe++; in nvme_tcp_process_nvme_cqe()
559 static int nvme_tcp_handle_c2h_data(struct nvme_tcp_queue *queue, in nvme_tcp_handle_c2h_data() argument
564 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_c2h_data()
566 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
568 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_c2h_data()
573 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
575 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_handle_c2h_data()
579 queue->data_remaining = le32_to_cpu(pdu->data_length); in nvme_tcp_handle_c2h_data()
583 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
585 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_handle_c2h_data()
586 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_handle_c2h_data()
593 static int nvme_tcp_handle_comp(struct nvme_tcp_queue *queue, in nvme_tcp_handle_comp() argument
605 if (unlikely(nvme_is_aen_req(nvme_tcp_queue_id(queue), in nvme_tcp_handle_comp()
607 nvme_complete_async_event(&queue->ctrl->ctrl, cqe->status, in nvme_tcp_handle_comp()
610 ret = nvme_tcp_process_nvme_cqe(queue, cqe); in nvme_tcp_handle_comp()
618 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_setup_h2c_data_pdu() local
621 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_setup_h2c_data_pdu()
622 u8 ddgst = nvme_tcp_ddgst_len(queue); in nvme_tcp_setup_h2c_data_pdu()
626 req->pdu_len = min(req->h2cdata_left, queue->maxh2cdata); in nvme_tcp_setup_h2c_data_pdu()
635 if (queue->hdr_digest) in nvme_tcp_setup_h2c_data_pdu()
637 if (queue->data_digest) in nvme_tcp_setup_h2c_data_pdu()
649 static int nvme_tcp_handle_r2t(struct nvme_tcp_queue *queue, in nvme_tcp_handle_r2t() argument
657 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_r2t()
659 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
661 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_r2t()
667 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
674 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
681 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
698 static int nvme_tcp_recv_pdu(struct nvme_tcp_queue *queue, struct sk_buff *skb, in nvme_tcp_recv_pdu() argument
702 char *pdu = queue->pdu; in nvme_tcp_recv_pdu()
703 size_t rcv_len = min_t(size_t, *len, queue->pdu_remaining); in nvme_tcp_recv_pdu()
707 &pdu[queue->pdu_offset], rcv_len); in nvme_tcp_recv_pdu()
711 queue->pdu_remaining -= rcv_len; in nvme_tcp_recv_pdu()
712 queue->pdu_offset += rcv_len; in nvme_tcp_recv_pdu()
715 if (queue->pdu_remaining) in nvme_tcp_recv_pdu()
718 hdr = queue->pdu; in nvme_tcp_recv_pdu()
719 if (queue->hdr_digest) { in nvme_tcp_recv_pdu()
720 ret = nvme_tcp_verify_hdgst(queue, queue->pdu, hdr->hlen); in nvme_tcp_recv_pdu()
726 if (queue->data_digest) { in nvme_tcp_recv_pdu()
727 ret = nvme_tcp_check_ddgst(queue, queue->pdu); in nvme_tcp_recv_pdu()
734 return nvme_tcp_handle_c2h_data(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
736 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_pdu()
737 return nvme_tcp_handle_comp(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
739 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_pdu()
740 return nvme_tcp_handle_r2t(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
742 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_pdu()
756 static int nvme_tcp_recv_data(struct nvme_tcp_queue *queue, struct sk_buff *skb, in nvme_tcp_recv_data() argument
759 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_data()
761 nvme_cid_to_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_recv_data()
767 recv_len = min_t(size_t, *len, queue->data_remaining); in nvme_tcp_recv_data()
779 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_data()
781 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_recv_data()
782 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_data()
792 if (queue->data_digest) in nvme_tcp_recv_data()
794 &req->iter, recv_len, queue->rcv_hash); in nvme_tcp_recv_data()
799 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_data()
801 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_recv_data()
807 queue->data_remaining -= recv_len; in nvme_tcp_recv_data()
810 if (!queue->data_remaining) { in nvme_tcp_recv_data()
811 if (queue->data_digest) { in nvme_tcp_recv_data()
812 nvme_tcp_ddgst_final(queue->rcv_hash, &queue->exp_ddgst); in nvme_tcp_recv_data()
813 queue->ddgst_remaining = NVME_TCP_DIGEST_LENGTH; in nvme_tcp_recv_data()
818 queue->nr_cqe++; in nvme_tcp_recv_data()
820 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_data()
827 static int nvme_tcp_recv_ddgst(struct nvme_tcp_queue *queue, in nvme_tcp_recv_ddgst() argument
830 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_ddgst()
831 char *ddgst = (char *)&queue->recv_ddgst; in nvme_tcp_recv_ddgst()
832 size_t recv_len = min_t(size_t, *len, queue->ddgst_remaining); in nvme_tcp_recv_ddgst()
833 off_t off = NVME_TCP_DIGEST_LENGTH - queue->ddgst_remaining; in nvme_tcp_recv_ddgst()
840 queue->ddgst_remaining -= recv_len; in nvme_tcp_recv_ddgst()
843 if (queue->ddgst_remaining) in nvme_tcp_recv_ddgst()
846 if (queue->recv_ddgst != queue->exp_ddgst) { in nvme_tcp_recv_ddgst()
847 struct request *rq = nvme_cid_to_rq(nvme_tcp_tagset(queue), in nvme_tcp_recv_ddgst()
853 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_ddgst()
855 le32_to_cpu(queue->recv_ddgst), in nvme_tcp_recv_ddgst()
856 le32_to_cpu(queue->exp_ddgst)); in nvme_tcp_recv_ddgst()
860 struct request *rq = nvme_cid_to_rq(nvme_tcp_tagset(queue), in nvme_tcp_recv_ddgst()
865 queue->nr_cqe++; in nvme_tcp_recv_ddgst()
868 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_ddgst()
875 struct nvme_tcp_queue *queue = desc->arg.data; in nvme_tcp_recv_skb() local
880 switch (nvme_tcp_recv_state(queue)) { in nvme_tcp_recv_skb()
882 result = nvme_tcp_recv_pdu(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
885 result = nvme_tcp_recv_data(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
888 result = nvme_tcp_recv_ddgst(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
894 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_skb()
896 queue->rd_enabled = false; in nvme_tcp_recv_skb()
897 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_recv_skb()
907 struct nvme_tcp_queue *queue; in nvme_tcp_data_ready() local
912 queue = sk->sk_user_data; in nvme_tcp_data_ready()
913 if (likely(queue && queue->rd_enabled) && in nvme_tcp_data_ready()
914 !test_bit(NVME_TCP_Q_POLLING, &queue->flags)) in nvme_tcp_data_ready()
915 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_data_ready()
921 struct nvme_tcp_queue *queue; in nvme_tcp_write_space() local
924 queue = sk->sk_user_data; in nvme_tcp_write_space()
925 if (likely(queue && sk_stream_is_writeable(sk))) { in nvme_tcp_write_space()
927 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_write_space()
934 struct nvme_tcp_queue *queue; in nvme_tcp_state_change() local
937 queue = sk->sk_user_data; in nvme_tcp_state_change()
938 if (!queue) in nvme_tcp_state_change()
947 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_state_change()
950 dev_info(queue->ctrl->ctrl.device, in nvme_tcp_state_change()
952 nvme_tcp_queue_id(queue), sk->sk_state); in nvme_tcp_state_change()
955 queue->state_change(sk); in nvme_tcp_state_change()
960 static inline void nvme_tcp_done_send_req(struct nvme_tcp_queue *queue) in nvme_tcp_done_send_req() argument
962 queue->request = NULL; in nvme_tcp_done_send_req()
970 nvme_complete_async_event(&req->queue->ctrl->ctrl, in nvme_tcp_fail_request()
980 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_data() local
992 if (last && !queue->data_digest && !nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_data()
998 ret = kernel_sendpage(queue->sock, page, offset, len, in nvme_tcp_try_send_data()
1001 ret = sock_no_sendpage(queue->sock, page, offset, len, in nvme_tcp_try_send_data()
1007 if (queue->data_digest) in nvme_tcp_try_send_data()
1008 nvme_tcp_ddgst_update(queue->snd_hash, page, in nvme_tcp_try_send_data()
1021 if (queue->data_digest) { in nvme_tcp_try_send_data()
1022 nvme_tcp_ddgst_final(queue->snd_hash, in nvme_tcp_try_send_data()
1030 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_data()
1040 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_cmd_pdu() local
1043 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_try_send_cmd_pdu()
1048 if (inline_data || nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_cmd_pdu()
1053 if (queue->hdr_digest && !req->offset) in nvme_tcp_try_send_cmd_pdu()
1054 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_cmd_pdu()
1056 ret = kernel_sendpage(queue->sock, virt_to_page(pdu), in nvme_tcp_try_send_cmd_pdu()
1065 if (queue->data_digest) in nvme_tcp_try_send_cmd_pdu()
1066 crypto_ahash_init(queue->snd_hash); in nvme_tcp_try_send_cmd_pdu()
1068 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_cmd_pdu()
1079 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_data_pdu() local
1081 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_try_send_data_pdu()
1085 if (queue->hdr_digest && !req->offset) in nvme_tcp_try_send_data_pdu()
1086 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_data_pdu()
1089 ret = kernel_sendpage(queue->sock, virt_to_page(pdu), in nvme_tcp_try_send_data_pdu()
1093 ret = sock_no_sendpage(queue->sock, virt_to_page(pdu), in nvme_tcp_try_send_data_pdu()
1102 if (queue->data_digest) in nvme_tcp_try_send_data_pdu()
1103 crypto_ahash_init(queue->snd_hash); in nvme_tcp_try_send_data_pdu()
1113 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_ddgst() local
1123 if (nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_ddgst()
1128 ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len); in nvme_tcp_try_send_ddgst()
1136 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_ddgst()
1144 static int nvme_tcp_try_send(struct nvme_tcp_queue *queue) in nvme_tcp_try_send() argument
1150 if (!queue->request) { in nvme_tcp_try_send()
1151 queue->request = nvme_tcp_fetch_request(queue); in nvme_tcp_try_send()
1152 if (!queue->request) in nvme_tcp_try_send()
1155 req = queue->request; in nvme_tcp_try_send()
1184 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_try_send()
1186 nvme_tcp_fail_request(queue->request); in nvme_tcp_try_send()
1187 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send()
1194 static int nvme_tcp_try_recv(struct nvme_tcp_queue *queue) in nvme_tcp_try_recv() argument
1196 struct socket *sock = queue->sock; in nvme_tcp_try_recv()
1201 rd_desc.arg.data = queue; in nvme_tcp_try_recv()
1204 queue->nr_cqe = 0; in nvme_tcp_try_recv()
1212 struct nvme_tcp_queue *queue = in nvme_tcp_io_work() local
1220 if (mutex_trylock(&queue->send_mutex)) { in nvme_tcp_io_work()
1221 result = nvme_tcp_try_send(queue); in nvme_tcp_io_work()
1222 mutex_unlock(&queue->send_mutex); in nvme_tcp_io_work()
1229 result = nvme_tcp_try_recv(queue); in nvme_tcp_io_work()
1235 if (!pending || !queue->rd_enabled) in nvme_tcp_io_work()
1240 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_io_work()
1243 static void nvme_tcp_free_crypto(struct nvme_tcp_queue *queue) in nvme_tcp_free_crypto() argument
1245 struct crypto_ahash *tfm = crypto_ahash_reqtfm(queue->rcv_hash); in nvme_tcp_free_crypto()
1247 ahash_request_free(queue->rcv_hash); in nvme_tcp_free_crypto()
1248 ahash_request_free(queue->snd_hash); in nvme_tcp_free_crypto()
1252 static int nvme_tcp_alloc_crypto(struct nvme_tcp_queue *queue) in nvme_tcp_alloc_crypto() argument
1260 queue->snd_hash = ahash_request_alloc(tfm, GFP_KERNEL); in nvme_tcp_alloc_crypto()
1261 if (!queue->snd_hash) in nvme_tcp_alloc_crypto()
1263 ahash_request_set_callback(queue->snd_hash, 0, NULL, NULL); in nvme_tcp_alloc_crypto()
1265 queue->rcv_hash = ahash_request_alloc(tfm, GFP_KERNEL); in nvme_tcp_alloc_crypto()
1266 if (!queue->rcv_hash) in nvme_tcp_alloc_crypto()
1268 ahash_request_set_callback(queue->rcv_hash, 0, NULL, NULL); in nvme_tcp_alloc_crypto()
1272 ahash_request_free(queue->snd_hash); in nvme_tcp_alloc_crypto()
1287 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_alloc_async_req() local
1289 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_alloc_async_req()
1291 async->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_alloc_async_req()
1297 async->queue = &ctrl->queues[0]; in nvme_tcp_alloc_async_req()
1305 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_free_queue() local
1308 if (!test_and_clear_bit(NVME_TCP_Q_ALLOCATED, &queue->flags)) in nvme_tcp_free_queue()
1311 if (queue->hdr_digest || queue->data_digest) in nvme_tcp_free_queue()
1312 nvme_tcp_free_crypto(queue); in nvme_tcp_free_queue()
1314 if (queue->pf_cache.va) { in nvme_tcp_free_queue()
1315 page = virt_to_head_page(queue->pf_cache.va); in nvme_tcp_free_queue()
1316 __page_frag_cache_drain(page, queue->pf_cache.pagecnt_bias); in nvme_tcp_free_queue()
1317 queue->pf_cache.va = NULL; in nvme_tcp_free_queue()
1321 sock_release(queue->sock); in nvme_tcp_free_queue()
1324 kfree(queue->pdu); in nvme_tcp_free_queue()
1325 mutex_destroy(&queue->send_mutex); in nvme_tcp_free_queue()
1326 mutex_destroy(&queue->queue_lock); in nvme_tcp_free_queue()
1329 static int nvme_tcp_init_connection(struct nvme_tcp_queue *queue) in nvme_tcp_init_connection() argument
1356 if (queue->hdr_digest) in nvme_tcp_init_connection()
1358 if (queue->data_digest) in nvme_tcp_init_connection()
1363 ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len); in nvme_tcp_init_connection()
1370 ret = kernel_recvmsg(queue->sock, &msg, &iov, 1, in nvme_tcp_init_connection()
1378 nvme_tcp_queue_id(queue), icresp->hdr.type); in nvme_tcp_init_connection()
1384 nvme_tcp_queue_id(queue), icresp->hdr.plen); in nvme_tcp_init_connection()
1390 nvme_tcp_queue_id(queue), icresp->pfv); in nvme_tcp_init_connection()
1395 if ((queue->data_digest && !ctrl_ddgst) || in nvme_tcp_init_connection()
1396 (!queue->data_digest && ctrl_ddgst)) { in nvme_tcp_init_connection()
1398 nvme_tcp_queue_id(queue), in nvme_tcp_init_connection()
1399 queue->data_digest ? "enabled" : "disabled", in nvme_tcp_init_connection()
1405 if ((queue->hdr_digest && !ctrl_hdgst) || in nvme_tcp_init_connection()
1406 (!queue->hdr_digest && ctrl_hdgst)) { in nvme_tcp_init_connection()
1408 nvme_tcp_queue_id(queue), in nvme_tcp_init_connection()
1409 queue->hdr_digest ? "enabled" : "disabled", in nvme_tcp_init_connection()
1416 nvme_tcp_queue_id(queue), icresp->cpda); in nvme_tcp_init_connection()
1423 nvme_tcp_queue_id(queue), maxh2cdata); in nvme_tcp_init_connection()
1426 queue->maxh2cdata = maxh2cdata; in nvme_tcp_init_connection()
1436 static bool nvme_tcp_admin_queue(struct nvme_tcp_queue *queue) in nvme_tcp_admin_queue() argument
1438 return nvme_tcp_queue_id(queue) == 0; in nvme_tcp_admin_queue()
1441 static bool nvme_tcp_default_queue(struct nvme_tcp_queue *queue) in nvme_tcp_default_queue() argument
1443 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_default_queue()
1444 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_default_queue()
1446 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_default_queue()
1450 static bool nvme_tcp_read_queue(struct nvme_tcp_queue *queue) in nvme_tcp_read_queue() argument
1452 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_read_queue()
1453 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_read_queue()
1455 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_read_queue()
1456 !nvme_tcp_default_queue(queue) && in nvme_tcp_read_queue()
1461 static bool nvme_tcp_poll_queue(struct nvme_tcp_queue *queue) in nvme_tcp_poll_queue() argument
1463 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_poll_queue()
1464 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_poll_queue()
1466 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_poll_queue()
1467 !nvme_tcp_default_queue(queue) && in nvme_tcp_poll_queue()
1468 !nvme_tcp_read_queue(queue) && in nvme_tcp_poll_queue()
1474 static void nvme_tcp_set_queue_io_cpu(struct nvme_tcp_queue *queue) in nvme_tcp_set_queue_io_cpu() argument
1476 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_set_queue_io_cpu()
1477 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_set_queue_io_cpu()
1480 if (nvme_tcp_default_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1482 else if (nvme_tcp_read_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1484 else if (nvme_tcp_poll_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1487 queue->io_cpu = cpumask_next_wrap(n - 1, cpu_online_mask, -1, false); in nvme_tcp_set_queue_io_cpu()
1493 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_alloc_queue() local
1496 mutex_init(&queue->queue_lock); in nvme_tcp_alloc_queue()
1497 queue->ctrl = ctrl; in nvme_tcp_alloc_queue()
1498 init_llist_head(&queue->req_list); in nvme_tcp_alloc_queue()
1499 INIT_LIST_HEAD(&queue->send_list); in nvme_tcp_alloc_queue()
1500 mutex_init(&queue->send_mutex); in nvme_tcp_alloc_queue()
1501 INIT_WORK(&queue->io_work, nvme_tcp_io_work); in nvme_tcp_alloc_queue()
1504 queue->cmnd_capsule_len = nctrl->ioccsz * 16; in nvme_tcp_alloc_queue()
1506 queue->cmnd_capsule_len = sizeof(struct nvme_command) + in nvme_tcp_alloc_queue()
1510 IPPROTO_TCP, &queue->sock); in nvme_tcp_alloc_queue()
1517 nvme_tcp_reclassify_socket(queue->sock); in nvme_tcp_alloc_queue()
1520 tcp_sock_set_syncnt(queue->sock->sk, 1); in nvme_tcp_alloc_queue()
1523 tcp_sock_set_nodelay(queue->sock->sk); in nvme_tcp_alloc_queue()
1530 sock_no_linger(queue->sock->sk); in nvme_tcp_alloc_queue()
1533 sock_set_priority(queue->sock->sk, so_priority); in nvme_tcp_alloc_queue()
1537 ip_sock_set_tos(queue->sock->sk, nctrl->opts->tos); in nvme_tcp_alloc_queue()
1540 queue->sock->sk->sk_rcvtimeo = 10 * HZ; in nvme_tcp_alloc_queue()
1542 queue->sock->sk->sk_allocation = GFP_ATOMIC; in nvme_tcp_alloc_queue()
1543 queue->sock->sk->sk_use_task_frag = false; in nvme_tcp_alloc_queue()
1544 nvme_tcp_set_queue_io_cpu(queue); in nvme_tcp_alloc_queue()
1545 queue->request = NULL; in nvme_tcp_alloc_queue()
1546 queue->data_remaining = 0; in nvme_tcp_alloc_queue()
1547 queue->ddgst_remaining = 0; in nvme_tcp_alloc_queue()
1548 queue->pdu_remaining = 0; in nvme_tcp_alloc_queue()
1549 queue->pdu_offset = 0; in nvme_tcp_alloc_queue()
1550 sk_set_memalloc(queue->sock->sk); in nvme_tcp_alloc_queue()
1553 ret = kernel_bind(queue->sock, (struct sockaddr *)&ctrl->src_addr, in nvme_tcp_alloc_queue()
1567 ret = sock_setsockopt(queue->sock, SOL_SOCKET, SO_BINDTODEVICE, in nvme_tcp_alloc_queue()
1577 queue->hdr_digest = nctrl->opts->hdr_digest; in nvme_tcp_alloc_queue()
1578 queue->data_digest = nctrl->opts->data_digest; in nvme_tcp_alloc_queue()
1579 if (queue->hdr_digest || queue->data_digest) { in nvme_tcp_alloc_queue()
1580 ret = nvme_tcp_alloc_crypto(queue); in nvme_tcp_alloc_queue()
1589 nvme_tcp_hdgst_len(queue); in nvme_tcp_alloc_queue()
1590 queue->pdu = kmalloc(rcv_pdu_size, GFP_KERNEL); in nvme_tcp_alloc_queue()
1591 if (!queue->pdu) { in nvme_tcp_alloc_queue()
1597 nvme_tcp_queue_id(queue)); in nvme_tcp_alloc_queue()
1599 ret = kernel_connect(queue->sock, (struct sockaddr *)&ctrl->addr, in nvme_tcp_alloc_queue()
1607 ret = nvme_tcp_init_connection(queue); in nvme_tcp_alloc_queue()
1611 queue->rd_enabled = true; in nvme_tcp_alloc_queue()
1612 set_bit(NVME_TCP_Q_ALLOCATED, &queue->flags); in nvme_tcp_alloc_queue()
1613 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_alloc_queue()
1615 write_lock_bh(&queue->sock->sk->sk_callback_lock); in nvme_tcp_alloc_queue()
1616 queue->sock->sk->sk_user_data = queue; in nvme_tcp_alloc_queue()
1617 queue->state_change = queue->sock->sk->sk_state_change; in nvme_tcp_alloc_queue()
1618 queue->data_ready = queue->sock->sk->sk_data_ready; in nvme_tcp_alloc_queue()
1619 queue->write_space = queue->sock->sk->sk_write_space; in nvme_tcp_alloc_queue()
1620 queue->sock->sk->sk_data_ready = nvme_tcp_data_ready; in nvme_tcp_alloc_queue()
1621 queue->sock->sk->sk_state_change = nvme_tcp_state_change; in nvme_tcp_alloc_queue()
1622 queue->sock->sk->sk_write_space = nvme_tcp_write_space; in nvme_tcp_alloc_queue()
1624 queue->sock->sk->sk_ll_usec = 1; in nvme_tcp_alloc_queue()
1626 write_unlock_bh(&queue->sock->sk->sk_callback_lock); in nvme_tcp_alloc_queue()
1631 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in nvme_tcp_alloc_queue()
1633 kfree(queue->pdu); in nvme_tcp_alloc_queue()
1635 if (queue->hdr_digest || queue->data_digest) in nvme_tcp_alloc_queue()
1636 nvme_tcp_free_crypto(queue); in nvme_tcp_alloc_queue()
1638 sock_release(queue->sock); in nvme_tcp_alloc_queue()
1639 queue->sock = NULL; in nvme_tcp_alloc_queue()
1641 mutex_destroy(&queue->send_mutex); in nvme_tcp_alloc_queue()
1642 mutex_destroy(&queue->queue_lock); in nvme_tcp_alloc_queue()
1646 static void nvme_tcp_restore_sock_calls(struct nvme_tcp_queue *queue) in nvme_tcp_restore_sock_calls() argument
1648 struct socket *sock = queue->sock; in nvme_tcp_restore_sock_calls()
1652 sock->sk->sk_data_ready = queue->data_ready; in nvme_tcp_restore_sock_calls()
1653 sock->sk->sk_state_change = queue->state_change; in nvme_tcp_restore_sock_calls()
1654 sock->sk->sk_write_space = queue->write_space; in nvme_tcp_restore_sock_calls()
1658 static void __nvme_tcp_stop_queue(struct nvme_tcp_queue *queue) in __nvme_tcp_stop_queue() argument
1660 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in __nvme_tcp_stop_queue()
1661 nvme_tcp_restore_sock_calls(queue); in __nvme_tcp_stop_queue()
1662 cancel_work_sync(&queue->io_work); in __nvme_tcp_stop_queue()
1668 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_stop_queue() local
1670 if (!test_bit(NVME_TCP_Q_ALLOCATED, &queue->flags)) in nvme_tcp_stop_queue()
1673 mutex_lock(&queue->queue_lock); in nvme_tcp_stop_queue()
1674 if (test_and_clear_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_stop_queue()
1675 __nvme_tcp_stop_queue(queue); in nvme_tcp_stop_queue()
1676 mutex_unlock(&queue->queue_lock); in nvme_tcp_stop_queue()
2225 static void nvme_tcp_set_sg_inline(struct nvme_tcp_queue *queue, in nvme_tcp_set_sg_inline() argument
2230 sg->addr = cpu_to_le64(queue->ctrl->ctrl.icdoff); in nvme_tcp_set_sg_inline()
2249 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_submit_async_event() local
2252 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_submit_async_event()
2256 if (queue->hdr_digest) in nvme_tcp_submit_async_event()
2277 struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; in nvme_tcp_complete_timed_out()
2279 nvme_tcp_stop_queue(ctrl, nvme_tcp_queue_id(req->queue)); in nvme_tcp_complete_timed_out()
2286 struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; in nvme_tcp_timeout()
2289 int qid = nvme_tcp_queue_id(req->queue); in nvme_tcp_timeout()
2293 nvme_tcp_queue_id(req->queue), nvme_cid(rq), pdu->hdr.type, in nvme_tcp_timeout()
2322 static blk_status_t nvme_tcp_map_data(struct nvme_tcp_queue *queue, in nvme_tcp_map_data() argument
2335 nvme_tcp_set_sg_inline(queue, c, req->data_len); in nvme_tcp_map_data()
2347 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_setup_cmd_pdu() local
2348 u8 hdgst = nvme_tcp_hdgst_len(queue), ddgst = 0; in nvme_tcp_setup_cmd_pdu()
2374 if (queue->hdr_digest) in nvme_tcp_setup_cmd_pdu()
2376 if (queue->data_digest && req->pdu_len) { in nvme_tcp_setup_cmd_pdu()
2378 ddgst = nvme_tcp_ddgst_len(queue); in nvme_tcp_setup_cmd_pdu()
2385 ret = nvme_tcp_map_data(queue, rq); in nvme_tcp_setup_cmd_pdu()
2388 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_cmd_pdu()
2398 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_commit_rqs() local
2400 if (!llist_empty(&queue->req_list)) in nvme_tcp_commit_rqs()
2401 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_commit_rqs()
2407 struct nvme_ns *ns = hctx->queue->queuedata; in nvme_tcp_queue_rq()
2408 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_queue_rq() local
2411 bool queue_ready = test_bit(NVME_TCP_Q_LIVE, &queue->flags); in nvme_tcp_queue_rq()
2414 if (!nvme_check_ready(&queue->ctrl->ctrl, rq, queue_ready)) in nvme_tcp_queue_rq()
2415 return nvme_fail_nonready_command(&queue->ctrl->ctrl, rq); in nvme_tcp_queue_rq()
2473 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_poll() local
2474 struct sock *sk = queue->sock->sk; in nvme_tcp_poll()
2476 if (!test_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_poll()
2479 set_bit(NVME_TCP_Q_POLLING, &queue->flags); in nvme_tcp_poll()
2482 nvme_tcp_try_recv(queue); in nvme_tcp_poll()
2483 clear_bit(NVME_TCP_Q_POLLING, &queue->flags); in nvme_tcp_poll()
2484 return queue->nr_cqe; in nvme_tcp_poll()
2489 struct nvme_tcp_queue *queue = &to_tcp_ctrl(ctrl)->queues[0]; in nvme_tcp_get_address() local
2495 mutex_lock(&queue->queue_lock); in nvme_tcp_get_address()
2497 if (!test_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_get_address()
2499 ret = kernel_getsockname(queue->sock, (struct sockaddr *)&src_addr); in nvme_tcp_get_address()
2507 mutex_unlock(&queue->queue_lock); in nvme_tcp_get_address()