Lines Matching full:queue
43 struct nvme_tcp_queue *queue; member
140 static int nvme_tcp_try_send(struct nvme_tcp_queue *queue);
147 static inline int nvme_tcp_queue_id(struct nvme_tcp_queue *queue) in nvme_tcp_queue_id() argument
149 return queue - queue->ctrl->queues; in nvme_tcp_queue_id()
152 static inline struct blk_mq_tags *nvme_tcp_tagset(struct nvme_tcp_queue *queue) in nvme_tcp_tagset() argument
154 u32 queue_idx = nvme_tcp_queue_id(queue); in nvme_tcp_tagset()
157 return queue->ctrl->admin_tag_set.tags[queue_idx]; in nvme_tcp_tagset()
158 return queue->ctrl->tag_set.tags[queue_idx - 1]; in nvme_tcp_tagset()
161 static inline u8 nvme_tcp_hdgst_len(struct nvme_tcp_queue *queue) in nvme_tcp_hdgst_len() argument
163 return queue->hdr_digest ? NVME_TCP_DIGEST_LENGTH : 0; in nvme_tcp_hdgst_len()
166 static inline u8 nvme_tcp_ddgst_len(struct nvme_tcp_queue *queue) in nvme_tcp_ddgst_len() argument
168 return queue->data_digest ? NVME_TCP_DIGEST_LENGTH : 0; in nvme_tcp_ddgst_len()
171 static inline size_t nvme_tcp_inline_data_size(struct nvme_tcp_queue *queue) in nvme_tcp_inline_data_size() argument
173 return queue->cmnd_capsule_len - sizeof(struct nvme_command); in nvme_tcp_inline_data_size()
178 return req == &req->queue->ctrl->async_req; in nvme_tcp_async_req()
191 req->data_len <= nvme_tcp_inline_data_size(req->queue); in nvme_tcp_has_inline_data()
267 static inline void nvme_tcp_send_all(struct nvme_tcp_queue *queue) in nvme_tcp_send_all() argument
271 /* drain the send queue as much as we can... */ in nvme_tcp_send_all()
273 ret = nvme_tcp_try_send(queue); in nvme_tcp_send_all()
277 static inline bool nvme_tcp_queue_more(struct nvme_tcp_queue *queue) in nvme_tcp_queue_more() argument
279 return !list_empty(&queue->send_list) || in nvme_tcp_queue_more()
280 !llist_empty(&queue->req_list) || queue->more_requests; in nvme_tcp_queue_more()
286 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_queue_request() local
289 empty = llist_add(&req->lentry, &queue->req_list) && in nvme_tcp_queue_request()
290 list_empty(&queue->send_list) && !queue->request; in nvme_tcp_queue_request()
294 * directly, otherwise queue io_work. Also, only do that if we in nvme_tcp_queue_request()
297 if (queue->io_cpu == raw_smp_processor_id() && in nvme_tcp_queue_request()
298 sync && empty && mutex_trylock(&queue->send_mutex)) { in nvme_tcp_queue_request()
299 queue->more_requests = !last; in nvme_tcp_queue_request()
300 nvme_tcp_send_all(queue); in nvme_tcp_queue_request()
301 queue->more_requests = false; in nvme_tcp_queue_request()
302 mutex_unlock(&queue->send_mutex); in nvme_tcp_queue_request()
305 if (last && nvme_tcp_queue_more(queue)) in nvme_tcp_queue_request()
306 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_queue_request()
309 static void nvme_tcp_process_req_list(struct nvme_tcp_queue *queue) in nvme_tcp_process_req_list() argument
314 for (node = llist_del_all(&queue->req_list); node; node = node->next) { in nvme_tcp_process_req_list()
316 list_add(&req->entry, &queue->send_list); in nvme_tcp_process_req_list()
321 nvme_tcp_fetch_request(struct nvme_tcp_queue *queue) in nvme_tcp_fetch_request() argument
325 req = list_first_entry_or_null(&queue->send_list, in nvme_tcp_fetch_request()
328 nvme_tcp_process_req_list(queue); in nvme_tcp_fetch_request()
329 req = list_first_entry_or_null(&queue->send_list, in nvme_tcp_fetch_request()
367 static int nvme_tcp_verify_hdgst(struct nvme_tcp_queue *queue, in nvme_tcp_verify_hdgst() argument
375 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_verify_hdgst()
376 "queue %d: header digest flag is cleared\n", in nvme_tcp_verify_hdgst()
377 nvme_tcp_queue_id(queue)); in nvme_tcp_verify_hdgst()
382 nvme_tcp_hdgst(queue->rcv_hash, pdu, pdu_len); in nvme_tcp_verify_hdgst()
385 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_verify_hdgst()
394 static int nvme_tcp_check_ddgst(struct nvme_tcp_queue *queue, void *pdu) in nvme_tcp_check_ddgst() argument
397 u8 digest_len = nvme_tcp_hdgst_len(queue); in nvme_tcp_check_ddgst()
404 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_check_ddgst()
405 "queue %d: data digest flag is cleared\n", in nvme_tcp_check_ddgst()
406 nvme_tcp_queue_id(queue)); in nvme_tcp_check_ddgst()
409 crypto_ahash_init(queue->rcv_hash); in nvme_tcp_check_ddgst()
430 struct nvme_tcp_queue *queue = &ctrl->queues[queue_idx]; in nvme_tcp_init_request() local
431 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_init_request()
433 req->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_init_request()
440 req->queue = queue; in nvme_tcp_init_request()
451 struct nvme_tcp_queue *queue = &ctrl->queues[hctx_idx + 1]; in nvme_tcp_init_hctx() local
453 hctx->driver_data = queue; in nvme_tcp_init_hctx()
461 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_init_admin_hctx() local
463 hctx->driver_data = queue; in nvme_tcp_init_admin_hctx()
468 nvme_tcp_recv_state(struct nvme_tcp_queue *queue) in nvme_tcp_recv_state() argument
470 return (queue->pdu_remaining) ? NVME_TCP_RECV_PDU : in nvme_tcp_recv_state()
471 (queue->ddgst_remaining) ? NVME_TCP_RECV_DDGST : in nvme_tcp_recv_state()
475 static void nvme_tcp_init_recv_ctx(struct nvme_tcp_queue *queue) in nvme_tcp_init_recv_ctx() argument
477 queue->pdu_remaining = sizeof(struct nvme_tcp_rsp_pdu) + in nvme_tcp_init_recv_ctx()
478 nvme_tcp_hdgst_len(queue); in nvme_tcp_init_recv_ctx()
479 queue->pdu_offset = 0; in nvme_tcp_init_recv_ctx()
480 queue->data_remaining = -1; in nvme_tcp_init_recv_ctx()
481 queue->ddgst_remaining = 0; in nvme_tcp_init_recv_ctx()
493 static int nvme_tcp_process_nvme_cqe(struct nvme_tcp_queue *queue, in nvme_tcp_process_nvme_cqe() argument
499 rq = nvme_find_rq(nvme_tcp_tagset(queue), cqe->command_id); in nvme_tcp_process_nvme_cqe()
501 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_process_nvme_cqe()
502 "got bad cqe.command_id %#x on queue %d\n", in nvme_tcp_process_nvme_cqe()
503 cqe->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_process_nvme_cqe()
504 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_process_nvme_cqe()
514 queue->nr_cqe++; in nvme_tcp_process_nvme_cqe()
519 static int nvme_tcp_handle_c2h_data(struct nvme_tcp_queue *queue, in nvme_tcp_handle_c2h_data() argument
524 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_c2h_data()
526 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
527 "got bad c2hdata.command_id %#x on queue %d\n", in nvme_tcp_handle_c2h_data()
528 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_c2h_data()
533 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
534 "queue %d tag %#x unexpected data\n", in nvme_tcp_handle_c2h_data()
535 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_handle_c2h_data()
539 queue->data_remaining = le32_to_cpu(pdu->data_length); in nvme_tcp_handle_c2h_data()
543 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
544 "queue %d tag %#x SUCCESS set but not last PDU\n", in nvme_tcp_handle_c2h_data()
545 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_handle_c2h_data()
546 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_handle_c2h_data()
553 static int nvme_tcp_handle_comp(struct nvme_tcp_queue *queue, in nvme_tcp_handle_comp() argument
561 * survive any kind of queue freeze and often don't respond to in nvme_tcp_handle_comp()
565 if (unlikely(nvme_is_aen_req(nvme_tcp_queue_id(queue), in nvme_tcp_handle_comp()
567 nvme_complete_async_event(&queue->ctrl->ctrl, cqe->status, in nvme_tcp_handle_comp()
570 ret = nvme_tcp_process_nvme_cqe(queue, cqe); in nvme_tcp_handle_comp()
579 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_setup_h2c_data_pdu() local
581 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_setup_h2c_data_pdu()
582 u8 ddgst = nvme_tcp_ddgst_len(queue); in nvme_tcp_setup_h2c_data_pdu()
588 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_h2c_data_pdu()
595 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_h2c_data_pdu()
603 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_h2c_data_pdu()
613 if (queue->hdr_digest) in nvme_tcp_setup_h2c_data_pdu()
615 if (queue->data_digest) in nvme_tcp_setup_h2c_data_pdu()
628 static int nvme_tcp_handle_r2t(struct nvme_tcp_queue *queue, in nvme_tcp_handle_r2t() argument
635 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_r2t()
637 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
638 "got bad r2t.command_id %#x on queue %d\n", in nvme_tcp_handle_r2t()
639 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_r2t()
656 static int nvme_tcp_recv_pdu(struct nvme_tcp_queue *queue, struct sk_buff *skb, in nvme_tcp_recv_pdu() argument
660 char *pdu = queue->pdu; in nvme_tcp_recv_pdu()
661 size_t rcv_len = min_t(size_t, *len, queue->pdu_remaining); in nvme_tcp_recv_pdu()
665 &pdu[queue->pdu_offset], rcv_len); in nvme_tcp_recv_pdu()
669 queue->pdu_remaining -= rcv_len; in nvme_tcp_recv_pdu()
670 queue->pdu_offset += rcv_len; in nvme_tcp_recv_pdu()
673 if (queue->pdu_remaining) in nvme_tcp_recv_pdu()
676 hdr = queue->pdu; in nvme_tcp_recv_pdu()
677 if (queue->hdr_digest) { in nvme_tcp_recv_pdu()
678 ret = nvme_tcp_verify_hdgst(queue, queue->pdu, hdr->hlen); in nvme_tcp_recv_pdu()
684 if (queue->data_digest) { in nvme_tcp_recv_pdu()
685 ret = nvme_tcp_check_ddgst(queue, queue->pdu); in nvme_tcp_recv_pdu()
692 return nvme_tcp_handle_c2h_data(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
694 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_pdu()
695 return nvme_tcp_handle_comp(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
697 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_pdu()
698 return nvme_tcp_handle_r2t(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
700 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_pdu()
714 static int nvme_tcp_recv_data(struct nvme_tcp_queue *queue, struct sk_buff *skb, in nvme_tcp_recv_data() argument
717 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_data()
719 nvme_cid_to_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_recv_data()
725 recv_len = min_t(size_t, *len, queue->data_remaining); in nvme_tcp_recv_data()
737 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_data()
738 "queue %d no space in request %#x", in nvme_tcp_recv_data()
739 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_recv_data()
740 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_data()
750 if (queue->data_digest) in nvme_tcp_recv_data()
752 &req->iter, recv_len, queue->rcv_hash); in nvme_tcp_recv_data()
757 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_data()
758 "queue %d failed to copy request %#x data", in nvme_tcp_recv_data()
759 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_recv_data()
765 queue->data_remaining -= recv_len; in nvme_tcp_recv_data()
768 if (!queue->data_remaining) { in nvme_tcp_recv_data()
769 if (queue->data_digest) { in nvme_tcp_recv_data()
770 nvme_tcp_ddgst_final(queue->rcv_hash, &queue->exp_ddgst); in nvme_tcp_recv_data()
771 queue->ddgst_remaining = NVME_TCP_DIGEST_LENGTH; in nvme_tcp_recv_data()
776 queue->nr_cqe++; in nvme_tcp_recv_data()
778 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_data()
785 static int nvme_tcp_recv_ddgst(struct nvme_tcp_queue *queue, in nvme_tcp_recv_ddgst() argument
788 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_ddgst()
789 char *ddgst = (char *)&queue->recv_ddgst; in nvme_tcp_recv_ddgst()
790 size_t recv_len = min_t(size_t, *len, queue->ddgst_remaining); in nvme_tcp_recv_ddgst()
791 off_t off = NVME_TCP_DIGEST_LENGTH - queue->ddgst_remaining; in nvme_tcp_recv_ddgst()
798 queue->ddgst_remaining -= recv_len; in nvme_tcp_recv_ddgst()
801 if (queue->ddgst_remaining) in nvme_tcp_recv_ddgst()
804 if (queue->recv_ddgst != queue->exp_ddgst) { in nvme_tcp_recv_ddgst()
805 struct request *rq = nvme_cid_to_rq(nvme_tcp_tagset(queue), in nvme_tcp_recv_ddgst()
811 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_ddgst()
813 le32_to_cpu(queue->recv_ddgst), in nvme_tcp_recv_ddgst()
814 le32_to_cpu(queue->exp_ddgst)); in nvme_tcp_recv_ddgst()
818 struct request *rq = nvme_cid_to_rq(nvme_tcp_tagset(queue), in nvme_tcp_recv_ddgst()
823 queue->nr_cqe++; in nvme_tcp_recv_ddgst()
826 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_ddgst()
833 struct nvme_tcp_queue *queue = desc->arg.data; in nvme_tcp_recv_skb() local
838 switch (nvme_tcp_recv_state(queue)) { in nvme_tcp_recv_skb()
840 result = nvme_tcp_recv_pdu(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
843 result = nvme_tcp_recv_data(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
846 result = nvme_tcp_recv_ddgst(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
852 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_skb()
854 queue->rd_enabled = false; in nvme_tcp_recv_skb()
855 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_recv_skb()
865 struct nvme_tcp_queue *queue; in nvme_tcp_data_ready() local
868 queue = sk->sk_user_data; in nvme_tcp_data_ready()
869 if (likely(queue && queue->rd_enabled) && in nvme_tcp_data_ready()
870 !test_bit(NVME_TCP_Q_POLLING, &queue->flags)) in nvme_tcp_data_ready()
871 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_data_ready()
877 struct nvme_tcp_queue *queue; in nvme_tcp_write_space() local
880 queue = sk->sk_user_data; in nvme_tcp_write_space()
881 if (likely(queue && sk_stream_is_writeable(sk))) { in nvme_tcp_write_space()
883 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_write_space()
890 struct nvme_tcp_queue *queue; in nvme_tcp_state_change() local
893 queue = sk->sk_user_data; in nvme_tcp_state_change()
894 if (!queue) in nvme_tcp_state_change()
903 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_state_change()
906 dev_info(queue->ctrl->ctrl.device, in nvme_tcp_state_change()
907 "queue %d socket state %d\n", in nvme_tcp_state_change()
908 nvme_tcp_queue_id(queue), sk->sk_state); in nvme_tcp_state_change()
911 queue->state_change(sk); in nvme_tcp_state_change()
916 static inline void nvme_tcp_done_send_req(struct nvme_tcp_queue *queue) in nvme_tcp_done_send_req() argument
918 queue->request = NULL; in nvme_tcp_done_send_req()
928 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_data() local
939 if (last && !queue->data_digest && !nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_data()
945 ret = kernel_sendpage(queue->sock, page, offset, len, in nvme_tcp_try_send_data()
948 ret = sock_no_sendpage(queue->sock, page, offset, len, in nvme_tcp_try_send_data()
954 if (queue->data_digest) in nvme_tcp_try_send_data()
955 nvme_tcp_ddgst_update(queue->snd_hash, page, in nvme_tcp_try_send_data()
968 if (queue->data_digest) { in nvme_tcp_try_send_data()
969 nvme_tcp_ddgst_final(queue->snd_hash, in nvme_tcp_try_send_data()
974 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_data()
984 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_cmd_pdu() local
987 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_try_send_cmd_pdu()
992 if (inline_data || nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_cmd_pdu()
997 if (queue->hdr_digest && !req->offset) in nvme_tcp_try_send_cmd_pdu()
998 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_cmd_pdu()
1000 ret = kernel_sendpage(queue->sock, virt_to_page(pdu), in nvme_tcp_try_send_cmd_pdu()
1009 if (queue->data_digest) in nvme_tcp_try_send_cmd_pdu()
1010 crypto_ahash_init(queue->snd_hash); in nvme_tcp_try_send_cmd_pdu()
1012 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_cmd_pdu()
1023 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_data_pdu() local
1025 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_try_send_data_pdu()
1029 if (queue->hdr_digest && !req->offset) in nvme_tcp_try_send_data_pdu()
1030 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_data_pdu()
1032 ret = kernel_sendpage(queue->sock, virt_to_page(pdu), in nvme_tcp_try_send_data_pdu()
1041 if (queue->data_digest) in nvme_tcp_try_send_data_pdu()
1042 crypto_ahash_init(queue->snd_hash); in nvme_tcp_try_send_data_pdu()
1052 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_ddgst() local
1061 if (nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_ddgst()
1066 ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len); in nvme_tcp_try_send_ddgst()
1071 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_ddgst()
1079 static int nvme_tcp_try_send(struct nvme_tcp_queue *queue) in nvme_tcp_try_send() argument
1084 if (!queue->request) { in nvme_tcp_try_send()
1085 queue->request = nvme_tcp_fetch_request(queue); in nvme_tcp_try_send()
1086 if (!queue->request) in nvme_tcp_try_send()
1089 req = queue->request; in nvme_tcp_try_send()
1117 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_try_send()
1120 nvme_tcp_fail_request(queue->request); in nvme_tcp_try_send()
1121 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send()
1126 static int nvme_tcp_try_recv(struct nvme_tcp_queue *queue) in nvme_tcp_try_recv() argument
1128 struct socket *sock = queue->sock; in nvme_tcp_try_recv()
1133 rd_desc.arg.data = queue; in nvme_tcp_try_recv()
1136 queue->nr_cqe = 0; in nvme_tcp_try_recv()
1144 struct nvme_tcp_queue *queue = in nvme_tcp_io_work() local
1152 if (mutex_trylock(&queue->send_mutex)) { in nvme_tcp_io_work()
1153 result = nvme_tcp_try_send(queue); in nvme_tcp_io_work()
1154 mutex_unlock(&queue->send_mutex); in nvme_tcp_io_work()
1161 result = nvme_tcp_try_recv(queue); in nvme_tcp_io_work()
1172 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_io_work()
1175 static void nvme_tcp_free_crypto(struct nvme_tcp_queue *queue) in nvme_tcp_free_crypto() argument
1177 struct crypto_ahash *tfm = crypto_ahash_reqtfm(queue->rcv_hash); in nvme_tcp_free_crypto()
1179 ahash_request_free(queue->rcv_hash); in nvme_tcp_free_crypto()
1180 ahash_request_free(queue->snd_hash); in nvme_tcp_free_crypto()
1184 static int nvme_tcp_alloc_crypto(struct nvme_tcp_queue *queue) in nvme_tcp_alloc_crypto() argument
1192 queue->snd_hash = ahash_request_alloc(tfm, GFP_KERNEL); in nvme_tcp_alloc_crypto()
1193 if (!queue->snd_hash) in nvme_tcp_alloc_crypto()
1195 ahash_request_set_callback(queue->snd_hash, 0, NULL, NULL); in nvme_tcp_alloc_crypto()
1197 queue->rcv_hash = ahash_request_alloc(tfm, GFP_KERNEL); in nvme_tcp_alloc_crypto()
1198 if (!queue->rcv_hash) in nvme_tcp_alloc_crypto()
1200 ahash_request_set_callback(queue->rcv_hash, 0, NULL, NULL); in nvme_tcp_alloc_crypto()
1204 ahash_request_free(queue->snd_hash); in nvme_tcp_alloc_crypto()
1219 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_alloc_async_req() local
1221 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_alloc_async_req()
1223 async->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_alloc_async_req()
1229 async->queue = &ctrl->queues[0]; in nvme_tcp_alloc_async_req()
1236 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_free_queue() local
1238 if (!test_and_clear_bit(NVME_TCP_Q_ALLOCATED, &queue->flags)) in nvme_tcp_free_queue()
1241 if (queue->hdr_digest || queue->data_digest) in nvme_tcp_free_queue()
1242 nvme_tcp_free_crypto(queue); in nvme_tcp_free_queue()
1244 sock_release(queue->sock); in nvme_tcp_free_queue()
1245 kfree(queue->pdu); in nvme_tcp_free_queue()
1246 mutex_destroy(&queue->send_mutex); in nvme_tcp_free_queue()
1247 mutex_destroy(&queue->queue_lock); in nvme_tcp_free_queue()
1250 static int nvme_tcp_init_connection(struct nvme_tcp_queue *queue) in nvme_tcp_init_connection() argument
1276 if (queue->hdr_digest) in nvme_tcp_init_connection()
1278 if (queue->data_digest) in nvme_tcp_init_connection()
1283 ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len); in nvme_tcp_init_connection()
1290 ret = kernel_recvmsg(queue->sock, &msg, &iov, 1, in nvme_tcp_init_connection()
1297 pr_err("queue %d: bad type returned %d\n", in nvme_tcp_init_connection()
1298 nvme_tcp_queue_id(queue), icresp->hdr.type); in nvme_tcp_init_connection()
1303 pr_err("queue %d: bad pdu length returned %d\n", in nvme_tcp_init_connection()
1304 nvme_tcp_queue_id(queue), icresp->hdr.plen); in nvme_tcp_init_connection()
1309 pr_err("queue %d: bad pfv returned %d\n", in nvme_tcp_init_connection()
1310 nvme_tcp_queue_id(queue), icresp->pfv); in nvme_tcp_init_connection()
1315 if ((queue->data_digest && !ctrl_ddgst) || in nvme_tcp_init_connection()
1316 (!queue->data_digest && ctrl_ddgst)) { in nvme_tcp_init_connection()
1317 pr_err("queue %d: data digest mismatch host: %s ctrl: %s\n", in nvme_tcp_init_connection()
1318 nvme_tcp_queue_id(queue), in nvme_tcp_init_connection()
1319 queue->data_digest ? "enabled" : "disabled", in nvme_tcp_init_connection()
1325 if ((queue->hdr_digest && !ctrl_hdgst) || in nvme_tcp_init_connection()
1326 (!queue->hdr_digest && ctrl_hdgst)) { in nvme_tcp_init_connection()
1327 pr_err("queue %d: header digest mismatch host: %s ctrl: %s\n", in nvme_tcp_init_connection()
1328 nvme_tcp_queue_id(queue), in nvme_tcp_init_connection()
1329 queue->hdr_digest ? "enabled" : "disabled", in nvme_tcp_init_connection()
1335 pr_err("queue %d: unsupported cpda returned %d\n", in nvme_tcp_init_connection()
1336 nvme_tcp_queue_id(queue), icresp->cpda); in nvme_tcp_init_connection()
1348 static bool nvme_tcp_admin_queue(struct nvme_tcp_queue *queue) in nvme_tcp_admin_queue() argument
1350 return nvme_tcp_queue_id(queue) == 0; in nvme_tcp_admin_queue()
1353 static bool nvme_tcp_default_queue(struct nvme_tcp_queue *queue) in nvme_tcp_default_queue() argument
1355 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_default_queue()
1356 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_default_queue()
1358 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_default_queue()
1362 static bool nvme_tcp_read_queue(struct nvme_tcp_queue *queue) in nvme_tcp_read_queue() argument
1364 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_read_queue()
1365 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_read_queue()
1367 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_read_queue()
1368 !nvme_tcp_default_queue(queue) && in nvme_tcp_read_queue()
1373 static bool nvme_tcp_poll_queue(struct nvme_tcp_queue *queue) in nvme_tcp_poll_queue() argument
1375 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_poll_queue()
1376 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_poll_queue()
1378 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_poll_queue()
1379 !nvme_tcp_default_queue(queue) && in nvme_tcp_poll_queue()
1380 !nvme_tcp_read_queue(queue) && in nvme_tcp_poll_queue()
1386 static void nvme_tcp_set_queue_io_cpu(struct nvme_tcp_queue *queue) in nvme_tcp_set_queue_io_cpu() argument
1388 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_set_queue_io_cpu()
1389 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_set_queue_io_cpu()
1392 if (nvme_tcp_default_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1394 else if (nvme_tcp_read_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1396 else if (nvme_tcp_poll_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1399 queue->io_cpu = cpumask_next_wrap(n - 1, cpu_online_mask, -1, false); in nvme_tcp_set_queue_io_cpu()
1406 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_alloc_queue() local
1409 mutex_init(&queue->queue_lock); in nvme_tcp_alloc_queue()
1410 queue->ctrl = ctrl; in nvme_tcp_alloc_queue()
1411 init_llist_head(&queue->req_list); in nvme_tcp_alloc_queue()
1412 INIT_LIST_HEAD(&queue->send_list); in nvme_tcp_alloc_queue()
1413 mutex_init(&queue->send_mutex); in nvme_tcp_alloc_queue()
1414 INIT_WORK(&queue->io_work, nvme_tcp_io_work); in nvme_tcp_alloc_queue()
1415 queue->queue_size = queue_size; in nvme_tcp_alloc_queue()
1418 queue->cmnd_capsule_len = nctrl->ioccsz * 16; in nvme_tcp_alloc_queue()
1420 queue->cmnd_capsule_len = sizeof(struct nvme_command) + in nvme_tcp_alloc_queue()
1424 IPPROTO_TCP, &queue->sock); in nvme_tcp_alloc_queue()
1432 tcp_sock_set_syncnt(queue->sock->sk, 1); in nvme_tcp_alloc_queue()
1435 tcp_sock_set_nodelay(queue->sock->sk); in nvme_tcp_alloc_queue()
1438 * Cleanup whatever is sitting in the TCP transmit queue on socket in nvme_tcp_alloc_queue()
1442 sock_no_linger(queue->sock->sk); in nvme_tcp_alloc_queue()
1445 sock_set_priority(queue->sock->sk, so_priority); in nvme_tcp_alloc_queue()
1449 ip_sock_set_tos(queue->sock->sk, nctrl->opts->tos); in nvme_tcp_alloc_queue()
1452 queue->sock->sk->sk_rcvtimeo = 10 * HZ; in nvme_tcp_alloc_queue()
1454 queue->sock->sk->sk_allocation = GFP_ATOMIC; in nvme_tcp_alloc_queue()
1455 nvme_tcp_set_queue_io_cpu(queue); in nvme_tcp_alloc_queue()
1456 queue->request = NULL; in nvme_tcp_alloc_queue()
1457 queue->data_remaining = 0; in nvme_tcp_alloc_queue()
1458 queue->ddgst_remaining = 0; in nvme_tcp_alloc_queue()
1459 queue->pdu_remaining = 0; in nvme_tcp_alloc_queue()
1460 queue->pdu_offset = 0; in nvme_tcp_alloc_queue()
1461 sk_set_memalloc(queue->sock->sk); in nvme_tcp_alloc_queue()
1464 ret = kernel_bind(queue->sock, (struct sockaddr *)&ctrl->src_addr, in nvme_tcp_alloc_queue()
1468 "failed to bind queue %d socket %d\n", in nvme_tcp_alloc_queue()
1478 ret = sock_setsockopt(queue->sock, SOL_SOCKET, SO_BINDTODEVICE, in nvme_tcp_alloc_queue()
1482 "failed to bind to interface %s queue %d err %d\n", in nvme_tcp_alloc_queue()
1488 queue->hdr_digest = nctrl->opts->hdr_digest; in nvme_tcp_alloc_queue()
1489 queue->data_digest = nctrl->opts->data_digest; in nvme_tcp_alloc_queue()
1490 if (queue->hdr_digest || queue->data_digest) { in nvme_tcp_alloc_queue()
1491 ret = nvme_tcp_alloc_crypto(queue); in nvme_tcp_alloc_queue()
1494 "failed to allocate queue %d crypto\n", qid); in nvme_tcp_alloc_queue()
1500 nvme_tcp_hdgst_len(queue); in nvme_tcp_alloc_queue()
1501 queue->pdu = kmalloc(rcv_pdu_size, GFP_KERNEL); in nvme_tcp_alloc_queue()
1502 if (!queue->pdu) { in nvme_tcp_alloc_queue()
1507 dev_dbg(nctrl->device, "connecting queue %d\n", in nvme_tcp_alloc_queue()
1508 nvme_tcp_queue_id(queue)); in nvme_tcp_alloc_queue()
1510 ret = kernel_connect(queue->sock, (struct sockaddr *)&ctrl->addr, in nvme_tcp_alloc_queue()
1518 ret = nvme_tcp_init_connection(queue); in nvme_tcp_alloc_queue()
1522 queue->rd_enabled = true; in nvme_tcp_alloc_queue()
1523 set_bit(NVME_TCP_Q_ALLOCATED, &queue->flags); in nvme_tcp_alloc_queue()
1524 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_alloc_queue()
1526 write_lock_bh(&queue->sock->sk->sk_callback_lock); in nvme_tcp_alloc_queue()
1527 queue->sock->sk->sk_user_data = queue; in nvme_tcp_alloc_queue()
1528 queue->state_change = queue->sock->sk->sk_state_change; in nvme_tcp_alloc_queue()
1529 queue->data_ready = queue->sock->sk->sk_data_ready; in nvme_tcp_alloc_queue()
1530 queue->write_space = queue->sock->sk->sk_write_space; in nvme_tcp_alloc_queue()
1531 queue->sock->sk->sk_data_ready = nvme_tcp_data_ready; in nvme_tcp_alloc_queue()
1532 queue->sock->sk->sk_state_change = nvme_tcp_state_change; in nvme_tcp_alloc_queue()
1533 queue->sock->sk->sk_write_space = nvme_tcp_write_space; in nvme_tcp_alloc_queue()
1535 queue->sock->sk->sk_ll_usec = 1; in nvme_tcp_alloc_queue()
1537 write_unlock_bh(&queue->sock->sk->sk_callback_lock); in nvme_tcp_alloc_queue()
1542 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in nvme_tcp_alloc_queue()
1544 kfree(queue->pdu); in nvme_tcp_alloc_queue()
1546 if (queue->hdr_digest || queue->data_digest) in nvme_tcp_alloc_queue()
1547 nvme_tcp_free_crypto(queue); in nvme_tcp_alloc_queue()
1549 sock_release(queue->sock); in nvme_tcp_alloc_queue()
1550 queue->sock = NULL; in nvme_tcp_alloc_queue()
1552 mutex_destroy(&queue->send_mutex); in nvme_tcp_alloc_queue()
1553 mutex_destroy(&queue->queue_lock); in nvme_tcp_alloc_queue()
1557 static void nvme_tcp_restore_sock_calls(struct nvme_tcp_queue *queue) in nvme_tcp_restore_sock_calls() argument
1559 struct socket *sock = queue->sock; in nvme_tcp_restore_sock_calls()
1563 sock->sk->sk_data_ready = queue->data_ready; in nvme_tcp_restore_sock_calls()
1564 sock->sk->sk_state_change = queue->state_change; in nvme_tcp_restore_sock_calls()
1565 sock->sk->sk_write_space = queue->write_space; in nvme_tcp_restore_sock_calls()
1569 static void __nvme_tcp_stop_queue(struct nvme_tcp_queue *queue) in __nvme_tcp_stop_queue() argument
1571 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in __nvme_tcp_stop_queue()
1572 nvme_tcp_restore_sock_calls(queue); in __nvme_tcp_stop_queue()
1573 cancel_work_sync(&queue->io_work); in __nvme_tcp_stop_queue()
1579 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_stop_queue() local
1581 mutex_lock(&queue->queue_lock); in nvme_tcp_stop_queue()
1582 if (test_and_clear_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_stop_queue()
1583 __nvme_tcp_stop_queue(queue); in nvme_tcp_stop_queue()
1584 mutex_unlock(&queue->queue_lock); in nvme_tcp_stop_queue()
1603 "failed to connect queue: %d ret=%d\n", idx, ret); in nvme_tcp_start_queue()
1765 * sufficient queue count to have dedicated default queues. in nvme_tcp_set_io_queues()
2187 static void nvme_tcp_set_sg_inline(struct nvme_tcp_queue *queue, in nvme_tcp_set_sg_inline() argument
2192 sg->addr = cpu_to_le64(queue->ctrl->ctrl.icdoff); in nvme_tcp_set_sg_inline()
2211 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_submit_async_event() local
2214 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_submit_async_event()
2218 if (queue->hdr_digest) in nvme_tcp_submit_async_event()
2239 struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; in nvme_tcp_complete_timed_out()
2241 nvme_tcp_stop_queue(ctrl, nvme_tcp_queue_id(req->queue)); in nvme_tcp_complete_timed_out()
2252 struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; in nvme_tcp_timeout()
2256 "queue %d: timeout request %#x type %d\n", in nvme_tcp_timeout()
2257 nvme_tcp_queue_id(req->queue), rq->tag, pdu->hdr.type); in nvme_tcp_timeout()
2285 static blk_status_t nvme_tcp_map_data(struct nvme_tcp_queue *queue, in nvme_tcp_map_data() argument
2297 req->data_len <= nvme_tcp_inline_data_size(queue)) in nvme_tcp_map_data()
2298 nvme_tcp_set_sg_inline(queue, c, req->data_len); in nvme_tcp_map_data()
2310 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_setup_cmd_pdu() local
2311 u8 hdgst = nvme_tcp_hdgst_len(queue), ddgst = 0; in nvme_tcp_setup_cmd_pdu()
2331 req->data_len <= nvme_tcp_inline_data_size(queue)) in nvme_tcp_setup_cmd_pdu()
2336 if (queue->hdr_digest) in nvme_tcp_setup_cmd_pdu()
2338 if (queue->data_digest && req->pdu_len) { in nvme_tcp_setup_cmd_pdu()
2340 ddgst = nvme_tcp_ddgst_len(queue); in nvme_tcp_setup_cmd_pdu()
2347 ret = nvme_tcp_map_data(queue, rq); in nvme_tcp_setup_cmd_pdu()
2350 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_cmd_pdu()
2360 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_commit_rqs() local
2362 if (!llist_empty(&queue->req_list)) in nvme_tcp_commit_rqs()
2363 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_commit_rqs()
2369 struct nvme_ns *ns = hctx->queue->queuedata; in nvme_tcp_queue_rq()
2370 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_queue_rq() local
2373 bool queue_ready = test_bit(NVME_TCP_Q_LIVE, &queue->flags); in nvme_tcp_queue_rq()
2376 if (!nvme_check_ready(&queue->ctrl->ctrl, rq, queue_ready)) in nvme_tcp_queue_rq()
2377 return nvme_fail_nonready_command(&queue->ctrl->ctrl, rq); in nvme_tcp_queue_rq()
2437 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_poll() local
2438 struct sock *sk = queue->sock->sk; in nvme_tcp_poll()
2440 if (!test_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_poll()
2443 set_bit(NVME_TCP_Q_POLLING, &queue->flags); in nvme_tcp_poll()
2446 nvme_tcp_try_recv(queue); in nvme_tcp_poll()
2447 clear_bit(NVME_TCP_Q_POLLING, &queue->flags); in nvme_tcp_poll()
2448 return queue->nr_cqe; in nvme_tcp_poll()