Lines Matching refs:queue
109 struct nvmet_tcp_queue *queue; member
218 static inline u16 nvmet_tcp_cmd_tag(struct nvmet_tcp_queue *queue, in nvmet_tcp_cmd_tag() argument
221 if (unlikely(!queue->nr_cmds)) { in nvmet_tcp_cmd_tag()
226 return cmd - queue->cmds; in nvmet_tcp_cmd_tag()
254 nvmet_tcp_get_cmd(struct nvmet_tcp_queue *queue) in nvmet_tcp_get_cmd() argument
258 cmd = list_first_entry_or_null(&queue->free_list, in nvmet_tcp_get_cmd()
274 if (unlikely(cmd == &cmd->queue->connect)) in nvmet_tcp_put_cmd()
277 list_add_tail(&cmd->entry, &cmd->queue->free_list); in nvmet_tcp_put_cmd()
280 static inline int queue_cpu(struct nvmet_tcp_queue *queue) in queue_cpu() argument
282 return queue->sock->sk->sk_incoming_cpu; in queue_cpu()
285 static inline u8 nvmet_tcp_hdgst_len(struct nvmet_tcp_queue *queue) in nvmet_tcp_hdgst_len() argument
287 return queue->hdr_digest ? NVME_TCP_DIGEST_LENGTH : 0; in nvmet_tcp_hdgst_len()
290 static inline u8 nvmet_tcp_ddgst_len(struct nvmet_tcp_queue *queue) in nvmet_tcp_ddgst_len() argument
292 return queue->data_digest ? NVME_TCP_DIGEST_LENGTH : 0; in nvmet_tcp_ddgst_len()
300 static int nvmet_tcp_verify_hdgst(struct nvmet_tcp_queue *queue, in nvmet_tcp_verify_hdgst() argument
309 queue->idx); in nvmet_tcp_verify_hdgst()
318 queue->idx, le32_to_cpu(recv_digest), in nvmet_tcp_verify_hdgst()
326 static int nvmet_tcp_check_ddgst(struct nvmet_tcp_queue *queue, void *pdu) in nvmet_tcp_check_ddgst() argument
329 u8 digest_len = nvmet_tcp_hdgst_len(queue); in nvmet_tcp_check_ddgst()
336 pr_err("queue %d: data digest flag is cleared\n", queue->idx); in nvmet_tcp_check_ddgst()
382 static void nvmet_tcp_fatal_error(struct nvmet_tcp_queue *queue) in nvmet_tcp_fatal_error() argument
384 queue->rcv_state = NVMET_TCP_RECV_ERR; in nvmet_tcp_fatal_error()
385 if (queue->nvme_sq.ctrl) in nvmet_tcp_fatal_error()
386 nvmet_ctrl_fatal_error(queue->nvme_sq.ctrl); in nvmet_tcp_fatal_error()
388 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in nvmet_tcp_fatal_error()
391 static void nvmet_tcp_socket_error(struct nvmet_tcp_queue *queue, int status) in nvmet_tcp_socket_error() argument
393 queue->rcv_state = NVMET_TCP_RECV_ERR; in nvmet_tcp_socket_error()
395 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in nvmet_tcp_socket_error()
397 nvmet_tcp_fatal_error(queue); in nvmet_tcp_socket_error()
460 struct nvmet_tcp_queue *queue = cmd->queue; in nvmet_setup_c2h_data_pdu() local
461 u8 hdgst = nvmet_tcp_hdgst_len(cmd->queue); in nvmet_setup_c2h_data_pdu()
462 u8 ddgst = nvmet_tcp_ddgst_len(cmd->queue); in nvmet_setup_c2h_data_pdu()
468 pdu->hdr.flags = NVME_TCP_F_DATA_LAST | (queue->nvme_sq.sqhd_disabled ? in nvmet_setup_c2h_data_pdu()
479 if (queue->data_digest) { in nvmet_setup_c2h_data_pdu()
484 if (cmd->queue->hdr_digest) { in nvmet_setup_c2h_data_pdu()
493 u8 hdgst = nvmet_tcp_hdgst_len(cmd->queue); in nvmet_setup_r2t_pdu()
505 pdu->ttag = nvmet_tcp_cmd_tag(cmd->queue, cmd); in nvmet_setup_r2t_pdu()
508 if (cmd->queue->hdr_digest) { in nvmet_setup_r2t_pdu()
517 u8 hdgst = nvmet_tcp_hdgst_len(cmd->queue); in nvmet_setup_response_pdu()
527 if (cmd->queue->hdr_digest) { in nvmet_setup_response_pdu()
533 static void nvmet_tcp_process_resp_list(struct nvmet_tcp_queue *queue) in nvmet_tcp_process_resp_list() argument
538 for (node = llist_del_all(&queue->resp_list); node; node = node->next) { in nvmet_tcp_process_resp_list()
540 list_add(&cmd->entry, &queue->resp_send_list); in nvmet_tcp_process_resp_list()
541 queue->send_list_len++; in nvmet_tcp_process_resp_list()
545 static struct nvmet_tcp_cmd *nvmet_tcp_fetch_cmd(struct nvmet_tcp_queue *queue) in nvmet_tcp_fetch_cmd() argument
547 queue->snd_cmd = list_first_entry_or_null(&queue->resp_send_list, in nvmet_tcp_fetch_cmd()
549 if (!queue->snd_cmd) { in nvmet_tcp_fetch_cmd()
550 nvmet_tcp_process_resp_list(queue); in nvmet_tcp_fetch_cmd()
551 queue->snd_cmd = in nvmet_tcp_fetch_cmd()
552 list_first_entry_or_null(&queue->resp_send_list, in nvmet_tcp_fetch_cmd()
554 if (unlikely(!queue->snd_cmd)) in nvmet_tcp_fetch_cmd()
558 list_del_init(&queue->snd_cmd->entry); in nvmet_tcp_fetch_cmd()
559 queue->send_list_len--; in nvmet_tcp_fetch_cmd()
561 if (nvmet_tcp_need_data_out(queue->snd_cmd)) in nvmet_tcp_fetch_cmd()
562 nvmet_setup_c2h_data_pdu(queue->snd_cmd); in nvmet_tcp_fetch_cmd()
563 else if (nvmet_tcp_need_data_in(queue->snd_cmd)) in nvmet_tcp_fetch_cmd()
564 nvmet_setup_r2t_pdu(queue->snd_cmd); in nvmet_tcp_fetch_cmd()
566 nvmet_setup_response_pdu(queue->snd_cmd); in nvmet_tcp_fetch_cmd()
568 return queue->snd_cmd; in nvmet_tcp_fetch_cmd()
575 struct nvmet_tcp_queue *queue = cmd->queue; in nvmet_tcp_queue_response() local
582 queue_state = smp_load_acquire(&queue->rcv_state); in nvmet_tcp_queue_response()
583 queue_cmd = READ_ONCE(queue->cmd); in nvmet_tcp_queue_response()
600 llist_add(&cmd->lentry, &queue->resp_list); in nvmet_tcp_queue_response()
601 queue_work_on(queue_cpu(queue), nvmet_tcp_wq, &cmd->queue->io_work); in nvmet_tcp_queue_response()
618 u8 hdgst = nvmet_tcp_hdgst_len(cmd->queue); in nvmet_try_send_data_pdu()
624 ret = sock_sendmsg(cmd->queue->sock, &msg); in nvmet_try_send_data_pdu()
641 struct nvmet_tcp_queue *queue = cmd->queue; in nvmet_try_send_data() local
652 if ((!last_in_batch && cmd->queue->send_list_len) || in nvmet_try_send_data()
654 queue->data_digest || !queue->nvme_sq.sqhd_disabled) in nvmet_try_send_data()
659 ret = sock_sendmsg(cmd->queue->sock, &msg); in nvmet_try_send_data()
673 if (queue->data_digest) { in nvmet_try_send_data()
677 if (queue->nvme_sq.sqhd_disabled) { in nvmet_try_send_data()
678 cmd->queue->snd_cmd = NULL; in nvmet_try_send_data()
685 if (queue->nvme_sq.sqhd_disabled) in nvmet_try_send_data()
697 u8 hdgst = nvmet_tcp_hdgst_len(cmd->queue); in nvmet_try_send_response()
701 if (!last_in_batch && cmd->queue->send_list_len) in nvmet_try_send_response()
708 ret = sock_sendmsg(cmd->queue->sock, &msg); in nvmet_try_send_response()
718 cmd->queue->snd_cmd = NULL; in nvmet_try_send_response()
727 u8 hdgst = nvmet_tcp_hdgst_len(cmd->queue); in nvmet_try_send_r2t()
731 if (!last_in_batch && cmd->queue->send_list_len) in nvmet_try_send_r2t()
738 ret = sock_sendmsg(cmd->queue->sock, &msg); in nvmet_try_send_r2t()
747 cmd->queue->snd_cmd = NULL; in nvmet_try_send_r2t()
753 struct nvmet_tcp_queue *queue = cmd->queue; in nvmet_try_send_ddgst() local
762 if (!last_in_batch && cmd->queue->send_list_len) in nvmet_try_send_ddgst()
767 ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len); in nvmet_try_send_ddgst()
777 if (queue->nvme_sq.sqhd_disabled) { in nvmet_try_send_ddgst()
778 cmd->queue->snd_cmd = NULL; in nvmet_try_send_ddgst()
786 static int nvmet_tcp_try_send_one(struct nvmet_tcp_queue *queue, in nvmet_tcp_try_send_one() argument
789 struct nvmet_tcp_cmd *cmd = queue->snd_cmd; in nvmet_tcp_try_send_one()
792 if (!cmd || queue->state == NVMET_TCP_Q_DISCONNECTING) { in nvmet_tcp_try_send_one()
793 cmd = nvmet_tcp_fetch_cmd(queue); in nvmet_tcp_try_send_one()
835 static int nvmet_tcp_try_send(struct nvmet_tcp_queue *queue, in nvmet_tcp_try_send() argument
841 ret = nvmet_tcp_try_send_one(queue, i == budget - 1); in nvmet_tcp_try_send()
843 nvmet_tcp_socket_error(queue, ret); in nvmet_tcp_try_send()
854 static void nvmet_prepare_receive_pdu(struct nvmet_tcp_queue *queue) in nvmet_prepare_receive_pdu() argument
856 queue->offset = 0; in nvmet_prepare_receive_pdu()
857 queue->left = sizeof(struct nvme_tcp_hdr); in nvmet_prepare_receive_pdu()
858 WRITE_ONCE(queue->cmd, NULL); in nvmet_prepare_receive_pdu()
860 smp_store_release(&queue->rcv_state, NVMET_TCP_RECV_PDU); in nvmet_prepare_receive_pdu()
863 static int nvmet_tcp_handle_icreq(struct nvmet_tcp_queue *queue) in nvmet_tcp_handle_icreq() argument
865 struct nvme_tcp_icreq_pdu *icreq = &queue->pdu.icreq; in nvmet_tcp_handle_icreq()
866 struct nvme_tcp_icresp_pdu *icresp = &queue->pdu.icresp; in nvmet_tcp_handle_icreq()
874 nvmet_tcp_fatal_error(queue); in nvmet_tcp_handle_icreq()
879 pr_err("queue %d: bad pfv %d\n", queue->idx, icreq->pfv); in nvmet_tcp_handle_icreq()
884 pr_err("queue %d: unsupported hpda %d\n", queue->idx, in nvmet_tcp_handle_icreq()
889 queue->hdr_digest = !!(icreq->digest & NVME_TCP_HDR_DIGEST_ENABLE); in nvmet_tcp_handle_icreq()
890 queue->data_digest = !!(icreq->digest & NVME_TCP_DATA_DIGEST_ENABLE); in nvmet_tcp_handle_icreq()
900 if (queue->hdr_digest) in nvmet_tcp_handle_icreq()
902 if (queue->data_digest) in nvmet_tcp_handle_icreq()
907 ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len); in nvmet_tcp_handle_icreq()
909 queue->state = NVMET_TCP_Q_FAILED; in nvmet_tcp_handle_icreq()
913 queue->state = NVMET_TCP_Q_LIVE; in nvmet_tcp_handle_icreq()
914 nvmet_prepare_receive_pdu(queue); in nvmet_tcp_handle_icreq()
918 static void nvmet_tcp_handle_req_failure(struct nvmet_tcp_queue *queue, in nvmet_tcp_handle_req_failure() argument
933 nvmet_prepare_receive_pdu(queue); in nvmet_tcp_handle_req_failure()
939 pr_err("queue %d: failed to map data\n", queue->idx); in nvmet_tcp_handle_req_failure()
940 nvmet_tcp_fatal_error(queue); in nvmet_tcp_handle_req_failure()
944 queue->rcv_state = NVMET_TCP_RECV_DATA; in nvmet_tcp_handle_req_failure()
949 static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue) in nvmet_tcp_handle_h2c_data_pdu() argument
951 struct nvme_tcp_data_pdu *data = &queue->pdu.data; in nvmet_tcp_handle_h2c_data_pdu()
955 if (likely(queue->nr_cmds)) { in nvmet_tcp_handle_h2c_data_pdu()
956 if (unlikely(data->ttag >= queue->nr_cmds)) { in nvmet_tcp_handle_h2c_data_pdu()
958 queue->idx, data->ttag, queue->nr_cmds); in nvmet_tcp_handle_h2c_data_pdu()
961 cmd = &queue->cmds[data->ttag]; in nvmet_tcp_handle_h2c_data_pdu()
963 cmd = &queue->connect; in nvmet_tcp_handle_h2c_data_pdu()
974 nvmet_tcp_hdgst_len(queue) - in nvmet_tcp_handle_h2c_data_pdu()
975 nvmet_tcp_ddgst_len(queue) - in nvmet_tcp_handle_h2c_data_pdu()
987 queue->cmd = cmd; in nvmet_tcp_handle_h2c_data_pdu()
988 queue->rcv_state = NVMET_TCP_RECV_DATA; in nvmet_tcp_handle_h2c_data_pdu()
994 nvmet_tcp_fatal_error(queue); in nvmet_tcp_handle_h2c_data_pdu()
998 static int nvmet_tcp_done_recv_pdu(struct nvmet_tcp_queue *queue) in nvmet_tcp_done_recv_pdu() argument
1000 struct nvme_tcp_hdr *hdr = &queue->pdu.cmd.hdr; in nvmet_tcp_done_recv_pdu()
1001 struct nvme_command *nvme_cmd = &queue->pdu.cmd.cmd; in nvmet_tcp_done_recv_pdu()
1005 if (unlikely(queue->state == NVMET_TCP_Q_CONNECTING)) { in nvmet_tcp_done_recv_pdu()
1009 nvmet_tcp_fatal_error(queue); in nvmet_tcp_done_recv_pdu()
1012 return nvmet_tcp_handle_icreq(queue); in nvmet_tcp_done_recv_pdu()
1017 queue->idx, queue->state); in nvmet_tcp_done_recv_pdu()
1018 nvmet_tcp_fatal_error(queue); in nvmet_tcp_done_recv_pdu()
1023 ret = nvmet_tcp_handle_h2c_data_pdu(queue); in nvmet_tcp_done_recv_pdu()
1029 queue->cmd = nvmet_tcp_get_cmd(queue); in nvmet_tcp_done_recv_pdu()
1030 if (unlikely(!queue->cmd)) { in nvmet_tcp_done_recv_pdu()
1033 queue->idx, queue->nr_cmds, queue->send_list_len, in nvmet_tcp_done_recv_pdu()
1035 nvmet_tcp_fatal_error(queue); in nvmet_tcp_done_recv_pdu()
1039 req = &queue->cmd->req; in nvmet_tcp_done_recv_pdu()
1042 if (unlikely(!nvmet_req_init(req, &queue->nvme_sq, &nvmet_tcp_ops))) { in nvmet_tcp_done_recv_pdu()
1049 nvmet_tcp_handle_req_failure(queue, queue->cmd, req); in nvmet_tcp_done_recv_pdu()
1053 ret = nvmet_tcp_map_data(queue->cmd); in nvmet_tcp_done_recv_pdu()
1055 pr_err("queue %d: failed to map data\n", queue->idx); in nvmet_tcp_done_recv_pdu()
1056 if (nvmet_tcp_has_inline_data(queue->cmd)) in nvmet_tcp_done_recv_pdu()
1057 nvmet_tcp_fatal_error(queue); in nvmet_tcp_done_recv_pdu()
1064 if (nvmet_tcp_need_data_in(queue->cmd)) { in nvmet_tcp_done_recv_pdu()
1065 if (nvmet_tcp_has_inline_data(queue->cmd)) { in nvmet_tcp_done_recv_pdu()
1066 queue->rcv_state = NVMET_TCP_RECV_DATA; in nvmet_tcp_done_recv_pdu()
1067 nvmet_tcp_build_pdu_iovec(queue->cmd); in nvmet_tcp_done_recv_pdu()
1071 nvmet_tcp_queue_response(&queue->cmd->req); in nvmet_tcp_done_recv_pdu()
1075 queue->cmd->req.execute(&queue->cmd->req); in nvmet_tcp_done_recv_pdu()
1077 nvmet_prepare_receive_pdu(queue); in nvmet_tcp_done_recv_pdu()
1109 static int nvmet_tcp_tls_record_ok(struct nvmet_tcp_queue *queue, in nvmet_tcp_tls_record_ok() argument
1116 ctype = tls_get_record_type(queue->sock->sk, cmsg); in nvmet_tcp_tls_record_ok()
1123 tls_alert_recv(queue->sock->sk, msg, &level, &description); in nvmet_tcp_tls_record_ok()
1126 queue->idx, description); in nvmet_tcp_tls_record_ok()
1130 queue->idx, description); in nvmet_tcp_tls_record_ok()
1137 queue->idx, ctype); in nvmet_tcp_tls_record_ok()
1144 static int nvmet_tcp_try_recv_pdu(struct nvmet_tcp_queue *queue) in nvmet_tcp_try_recv_pdu() argument
1146 struct nvme_tcp_hdr *hdr = &queue->pdu.cmd.hdr; in nvmet_tcp_try_recv_pdu()
1153 iov.iov_base = (void *)&queue->pdu + queue->offset; in nvmet_tcp_try_recv_pdu()
1154 iov.iov_len = queue->left; in nvmet_tcp_try_recv_pdu()
1155 if (queue->tls_pskid) { in nvmet_tcp_try_recv_pdu()
1159 len = kernel_recvmsg(queue->sock, &msg, &iov, 1, in nvmet_tcp_try_recv_pdu()
1163 if (queue->tls_pskid) { in nvmet_tcp_try_recv_pdu()
1164 ret = nvmet_tcp_tls_record_ok(queue, &msg, cbuf); in nvmet_tcp_try_recv_pdu()
1169 queue->offset += len; in nvmet_tcp_try_recv_pdu()
1170 queue->left -= len; in nvmet_tcp_try_recv_pdu()
1171 if (queue->left) in nvmet_tcp_try_recv_pdu()
1174 if (queue->offset == sizeof(struct nvme_tcp_hdr)) { in nvmet_tcp_try_recv_pdu()
1175 u8 hdgst = nvmet_tcp_hdgst_len(queue); in nvmet_tcp_try_recv_pdu()
1179 nvmet_tcp_fatal_error(queue); in nvmet_tcp_try_recv_pdu()
1188 queue->left = hdr->hlen - queue->offset + hdgst; in nvmet_tcp_try_recv_pdu()
1192 if (queue->hdr_digest && in nvmet_tcp_try_recv_pdu()
1193 nvmet_tcp_verify_hdgst(queue, &queue->pdu, hdr->hlen)) { in nvmet_tcp_try_recv_pdu()
1194 nvmet_tcp_fatal_error(queue); /* fatal */ in nvmet_tcp_try_recv_pdu()
1198 if (queue->data_digest && in nvmet_tcp_try_recv_pdu()
1199 nvmet_tcp_check_ddgst(queue, &queue->pdu)) { in nvmet_tcp_try_recv_pdu()
1200 nvmet_tcp_fatal_error(queue); /* fatal */ in nvmet_tcp_try_recv_pdu()
1204 return nvmet_tcp_done_recv_pdu(queue); in nvmet_tcp_try_recv_pdu()
1209 struct nvmet_tcp_queue *queue = cmd->queue; in nvmet_tcp_prep_recv_ddgst() local
1212 queue->offset = 0; in nvmet_tcp_prep_recv_ddgst()
1213 queue->left = NVME_TCP_DIGEST_LENGTH; in nvmet_tcp_prep_recv_ddgst()
1214 queue->rcv_state = NVMET_TCP_RECV_DDGST; in nvmet_tcp_prep_recv_ddgst()
1217 static int nvmet_tcp_try_recv_data(struct nvmet_tcp_queue *queue) in nvmet_tcp_try_recv_data() argument
1219 struct nvmet_tcp_cmd *cmd = queue->cmd; in nvmet_tcp_try_recv_data()
1223 len = sock_recvmsg(cmd->queue->sock, &cmd->recv_msg, in nvmet_tcp_try_recv_data()
1227 if (queue->tls_pskid) { in nvmet_tcp_try_recv_data()
1228 ret = nvmet_tcp_tls_record_ok(cmd->queue, in nvmet_tcp_try_recv_data()
1238 if (queue->data_digest) { in nvmet_tcp_try_recv_data()
1246 nvmet_prepare_receive_pdu(queue); in nvmet_tcp_try_recv_data()
1250 static int nvmet_tcp_try_recv_ddgst(struct nvmet_tcp_queue *queue) in nvmet_tcp_try_recv_ddgst() argument
1252 struct nvmet_tcp_cmd *cmd = queue->cmd; in nvmet_tcp_try_recv_ddgst()
1257 .iov_base = (void *)&cmd->recv_ddgst + queue->offset, in nvmet_tcp_try_recv_ddgst()
1258 .iov_len = queue->left in nvmet_tcp_try_recv_ddgst()
1261 if (queue->tls_pskid) { in nvmet_tcp_try_recv_ddgst()
1265 len = kernel_recvmsg(queue->sock, &msg, &iov, 1, in nvmet_tcp_try_recv_ddgst()
1269 if (queue->tls_pskid) { in nvmet_tcp_try_recv_ddgst()
1270 ret = nvmet_tcp_tls_record_ok(queue, &msg, cbuf); in nvmet_tcp_try_recv_ddgst()
1275 queue->offset += len; in nvmet_tcp_try_recv_ddgst()
1276 queue->left -= len; in nvmet_tcp_try_recv_ddgst()
1277 if (queue->left) in nvmet_tcp_try_recv_ddgst()
1280 if (queue->data_digest && cmd->exp_ddgst != cmd->recv_ddgst) { in nvmet_tcp_try_recv_ddgst()
1282 queue->idx, cmd->req.cmd->common.command_id, in nvmet_tcp_try_recv_ddgst()
1283 queue->pdu.cmd.hdr.type, le32_to_cpu(cmd->recv_ddgst), in nvmet_tcp_try_recv_ddgst()
1287 nvmet_tcp_fatal_error(queue); in nvmet_tcp_try_recv_ddgst()
1297 nvmet_prepare_receive_pdu(queue); in nvmet_tcp_try_recv_ddgst()
1301 static int nvmet_tcp_try_recv_one(struct nvmet_tcp_queue *queue) in nvmet_tcp_try_recv_one() argument
1305 if (unlikely(queue->rcv_state == NVMET_TCP_RECV_ERR)) in nvmet_tcp_try_recv_one()
1308 if (queue->rcv_state == NVMET_TCP_RECV_PDU) { in nvmet_tcp_try_recv_one()
1309 result = nvmet_tcp_try_recv_pdu(queue); in nvmet_tcp_try_recv_one()
1314 if (queue->rcv_state == NVMET_TCP_RECV_DATA) { in nvmet_tcp_try_recv_one()
1315 result = nvmet_tcp_try_recv_data(queue); in nvmet_tcp_try_recv_one()
1320 if (queue->rcv_state == NVMET_TCP_RECV_DDGST) { in nvmet_tcp_try_recv_one()
1321 result = nvmet_tcp_try_recv_ddgst(queue); in nvmet_tcp_try_recv_one()
1335 static int nvmet_tcp_try_recv(struct nvmet_tcp_queue *queue, in nvmet_tcp_try_recv() argument
1341 ret = nvmet_tcp_try_recv_one(queue); in nvmet_tcp_try_recv()
1343 nvmet_tcp_socket_error(queue, ret); in nvmet_tcp_try_recv()
1356 struct nvmet_tcp_queue *queue = in nvmet_tcp_release_queue() local
1359 WARN_ON(queue->state != NVMET_TCP_Q_DISCONNECTING); in nvmet_tcp_release_queue()
1360 queue_work(nvmet_wq, &queue->release_work); in nvmet_tcp_release_queue()
1363 static void nvmet_tcp_schedule_release_queue(struct nvmet_tcp_queue *queue) in nvmet_tcp_schedule_release_queue() argument
1365 spin_lock_bh(&queue->state_lock); in nvmet_tcp_schedule_release_queue()
1366 if (queue->state == NVMET_TCP_Q_TLS_HANDSHAKE) { in nvmet_tcp_schedule_release_queue()
1368 tls_handshake_cancel(queue->sock->sk); in nvmet_tcp_schedule_release_queue()
1370 if (queue->state != NVMET_TCP_Q_DISCONNECTING) { in nvmet_tcp_schedule_release_queue()
1371 queue->state = NVMET_TCP_Q_DISCONNECTING; in nvmet_tcp_schedule_release_queue()
1372 kref_put(&queue->kref, nvmet_tcp_release_queue); in nvmet_tcp_schedule_release_queue()
1374 spin_unlock_bh(&queue->state_lock); in nvmet_tcp_schedule_release_queue()
1377 static inline void nvmet_tcp_arm_queue_deadline(struct nvmet_tcp_queue *queue) in nvmet_tcp_arm_queue_deadline() argument
1379 queue->poll_end = jiffies + usecs_to_jiffies(idle_poll_period_usecs); in nvmet_tcp_arm_queue_deadline()
1382 static bool nvmet_tcp_check_queue_deadline(struct nvmet_tcp_queue *queue, in nvmet_tcp_check_queue_deadline() argument
1389 nvmet_tcp_arm_queue_deadline(queue); in nvmet_tcp_check_queue_deadline()
1391 return !time_after(jiffies, queue->poll_end); in nvmet_tcp_check_queue_deadline()
1396 struct nvmet_tcp_queue *queue = in nvmet_tcp_io_work() local
1404 ret = nvmet_tcp_try_recv(queue, NVMET_TCP_RECV_BUDGET, &ops); in nvmet_tcp_io_work()
1410 ret = nvmet_tcp_try_send(queue, NVMET_TCP_SEND_BUDGET, &ops); in nvmet_tcp_io_work()
1422 if (nvmet_tcp_check_queue_deadline(queue, ops) || pending) in nvmet_tcp_io_work()
1423 queue_work_on(queue_cpu(queue), nvmet_tcp_wq, &queue->io_work); in nvmet_tcp_io_work()
1426 static int nvmet_tcp_alloc_cmd(struct nvmet_tcp_queue *queue, in nvmet_tcp_alloc_cmd() argument
1429 u8 hdgst = nvmet_tcp_hdgst_len(queue); in nvmet_tcp_alloc_cmd()
1431 c->queue = queue; in nvmet_tcp_alloc_cmd()
1432 c->req.port = queue->port->nport; in nvmet_tcp_alloc_cmd()
1434 c->cmd_pdu = page_frag_alloc(&queue->pf_cache, in nvmet_tcp_alloc_cmd()
1440 c->rsp_pdu = page_frag_alloc(&queue->pf_cache, in nvmet_tcp_alloc_cmd()
1446 c->data_pdu = page_frag_alloc(&queue->pf_cache, in nvmet_tcp_alloc_cmd()
1451 c->r2t_pdu = page_frag_alloc(&queue->pf_cache, in nvmet_tcp_alloc_cmd()
1456 if (queue->state == NVMET_TCP_Q_TLS_HANDSHAKE) { in nvmet_tcp_alloc_cmd()
1462 list_add_tail(&c->entry, &queue->free_list); in nvmet_tcp_alloc_cmd()
1482 static int nvmet_tcp_alloc_cmds(struct nvmet_tcp_queue *queue) in nvmet_tcp_alloc_cmds() argument
1485 int i, ret = -EINVAL, nr_cmds = queue->nr_cmds; in nvmet_tcp_alloc_cmds()
1492 ret = nvmet_tcp_alloc_cmd(queue, cmds + i); in nvmet_tcp_alloc_cmds()
1497 queue->cmds = cmds; in nvmet_tcp_alloc_cmds()
1508 static void nvmet_tcp_free_cmds(struct nvmet_tcp_queue *queue) in nvmet_tcp_free_cmds() argument
1510 struct nvmet_tcp_cmd *cmds = queue->cmds; in nvmet_tcp_free_cmds()
1513 for (i = 0; i < queue->nr_cmds; i++) in nvmet_tcp_free_cmds()
1516 nvmet_tcp_free_cmd(&queue->connect); in nvmet_tcp_free_cmds()
1520 static void nvmet_tcp_restore_socket_callbacks(struct nvmet_tcp_queue *queue) in nvmet_tcp_restore_socket_callbacks() argument
1522 struct socket *sock = queue->sock; in nvmet_tcp_restore_socket_callbacks()
1524 if (!queue->state_change) in nvmet_tcp_restore_socket_callbacks()
1528 sock->sk->sk_data_ready = queue->data_ready; in nvmet_tcp_restore_socket_callbacks()
1529 sock->sk->sk_state_change = queue->state_change; in nvmet_tcp_restore_socket_callbacks()
1530 sock->sk->sk_write_space = queue->write_space; in nvmet_tcp_restore_socket_callbacks()
1535 static void nvmet_tcp_uninit_data_in_cmds(struct nvmet_tcp_queue *queue) in nvmet_tcp_uninit_data_in_cmds() argument
1537 struct nvmet_tcp_cmd *cmd = queue->cmds; in nvmet_tcp_uninit_data_in_cmds()
1540 for (i = 0; i < queue->nr_cmds; i++, cmd++) { in nvmet_tcp_uninit_data_in_cmds()
1545 if (!queue->nr_cmds && nvmet_tcp_need_data_in(&queue->connect)) { in nvmet_tcp_uninit_data_in_cmds()
1547 nvmet_req_uninit(&queue->connect.req); in nvmet_tcp_uninit_data_in_cmds()
1551 static void nvmet_tcp_free_cmd_data_in_buffers(struct nvmet_tcp_queue *queue) in nvmet_tcp_free_cmd_data_in_buffers() argument
1553 struct nvmet_tcp_cmd *cmd = queue->cmds; in nvmet_tcp_free_cmd_data_in_buffers()
1556 for (i = 0; i < queue->nr_cmds; i++, cmd++) in nvmet_tcp_free_cmd_data_in_buffers()
1558 nvmet_tcp_free_cmd_buffers(&queue->connect); in nvmet_tcp_free_cmd_data_in_buffers()
1563 struct nvmet_tcp_queue *queue = in nvmet_tcp_release_queue_work() local
1567 list_del_init(&queue->queue_list); in nvmet_tcp_release_queue_work()
1570 nvmet_tcp_restore_socket_callbacks(queue); in nvmet_tcp_release_queue_work()
1571 cancel_delayed_work_sync(&queue->tls_handshake_tmo_work); in nvmet_tcp_release_queue_work()
1572 cancel_work_sync(&queue->io_work); in nvmet_tcp_release_queue_work()
1574 queue->rcv_state = NVMET_TCP_RECV_ERR; in nvmet_tcp_release_queue_work()
1576 nvmet_sq_put_tls_key(&queue->nvme_sq); in nvmet_tcp_release_queue_work()
1577 nvmet_tcp_uninit_data_in_cmds(queue); in nvmet_tcp_release_queue_work()
1578 nvmet_sq_destroy(&queue->nvme_sq); in nvmet_tcp_release_queue_work()
1579 nvmet_cq_put(&queue->nvme_cq); in nvmet_tcp_release_queue_work()
1580 cancel_work_sync(&queue->io_work); in nvmet_tcp_release_queue_work()
1581 nvmet_tcp_free_cmd_data_in_buffers(queue); in nvmet_tcp_release_queue_work()
1583 fput(queue->sock->file); in nvmet_tcp_release_queue_work()
1584 nvmet_tcp_free_cmds(queue); in nvmet_tcp_release_queue_work()
1585 ida_free(&nvmet_tcp_queue_ida, queue->idx); in nvmet_tcp_release_queue_work()
1586 page_frag_cache_drain(&queue->pf_cache); in nvmet_tcp_release_queue_work()
1587 kfree(queue); in nvmet_tcp_release_queue_work()
1592 struct nvmet_tcp_queue *queue; in nvmet_tcp_data_ready() local
1597 queue = sk->sk_user_data; in nvmet_tcp_data_ready()
1598 if (likely(queue)) { in nvmet_tcp_data_ready()
1599 if (queue->data_ready) in nvmet_tcp_data_ready()
1600 queue->data_ready(sk); in nvmet_tcp_data_ready()
1601 if (queue->state != NVMET_TCP_Q_TLS_HANDSHAKE) in nvmet_tcp_data_ready()
1602 queue_work_on(queue_cpu(queue), nvmet_tcp_wq, in nvmet_tcp_data_ready()
1603 &queue->io_work); in nvmet_tcp_data_ready()
1610 struct nvmet_tcp_queue *queue; in nvmet_tcp_write_space() local
1613 queue = sk->sk_user_data; in nvmet_tcp_write_space()
1614 if (unlikely(!queue)) in nvmet_tcp_write_space()
1617 if (unlikely(queue->state == NVMET_TCP_Q_CONNECTING)) { in nvmet_tcp_write_space()
1618 queue->write_space(sk); in nvmet_tcp_write_space()
1624 queue_work_on(queue_cpu(queue), nvmet_tcp_wq, &queue->io_work); in nvmet_tcp_write_space()
1632 struct nvmet_tcp_queue *queue; in nvmet_tcp_state_change() local
1635 queue = sk->sk_user_data; in nvmet_tcp_state_change()
1636 if (!queue) in nvmet_tcp_state_change()
1647 nvmet_tcp_schedule_release_queue(queue); in nvmet_tcp_state_change()
1651 queue->idx, sk->sk_state); in nvmet_tcp_state_change()
1657 static int nvmet_tcp_set_queue_sock(struct nvmet_tcp_queue *queue) in nvmet_tcp_set_queue_sock() argument
1659 struct socket *sock = queue->sock; in nvmet_tcp_set_queue_sock()
1664 (struct sockaddr *)&queue->sockaddr); in nvmet_tcp_set_queue_sock()
1669 (struct sockaddr *)&queue->sockaddr_peer); in nvmet_tcp_set_queue_sock()
1696 sock->sk->sk_user_data = queue; in nvmet_tcp_set_queue_sock()
1697 queue->data_ready = sock->sk->sk_data_ready; in nvmet_tcp_set_queue_sock()
1699 queue->state_change = sock->sk->sk_state_change; in nvmet_tcp_set_queue_sock()
1701 queue->write_space = sock->sk->sk_write_space; in nvmet_tcp_set_queue_sock()
1704 nvmet_tcp_arm_queue_deadline(queue); in nvmet_tcp_set_queue_sock()
1705 queue_work_on(queue_cpu(queue), nvmet_tcp_wq, &queue->io_work); in nvmet_tcp_set_queue_sock()
1713 static int nvmet_tcp_try_peek_pdu(struct nvmet_tcp_queue *queue) in nvmet_tcp_try_peek_pdu() argument
1715 struct nvme_tcp_hdr *hdr = &queue->pdu.cmd.hdr; in nvmet_tcp_try_peek_pdu()
1718 .iov_base = (u8 *)&queue->pdu + queue->offset, in nvmet_tcp_try_peek_pdu()
1728 if (nvmet_port_secure_channel_required(queue->port->nport)) in nvmet_tcp_try_peek_pdu()
1731 len = kernel_recvmsg(queue->sock, &msg, &iov, 1, in nvmet_tcp_try_peek_pdu()
1735 queue->idx, len); in nvmet_tcp_try_peek_pdu()
1739 ret = nvmet_tcp_tls_record_ok(queue, &msg, cbuf); in nvmet_tcp_try_peek_pdu()
1745 queue->idx, (int)iov.iov_len - len); in nvmet_tcp_try_peek_pdu()
1749 queue->idx, hdr->type, hdr->hlen, hdr->plen, in nvmet_tcp_try_peek_pdu()
1755 queue->idx); in nvmet_tcp_try_peek_pdu()
1761 static int nvmet_tcp_tls_key_lookup(struct nvmet_tcp_queue *queue, in nvmet_tcp_tls_key_lookup() argument
1769 __func__, queue->idx, peerid); in nvmet_tcp_tls_key_lookup()
1770 spin_lock_bh(&queue->state_lock); in nvmet_tcp_tls_key_lookup()
1771 queue->state = NVMET_TCP_Q_FAILED; in nvmet_tcp_tls_key_lookup()
1772 spin_unlock_bh(&queue->state_lock); in nvmet_tcp_tls_key_lookup()
1776 __func__, queue->idx, peerid); in nvmet_tcp_tls_key_lookup()
1777 queue->nvme_sq.tls_key = tls_key; in nvmet_tcp_tls_key_lookup()
1785 struct nvmet_tcp_queue *queue = data; in nvmet_tcp_tls_handshake_done() local
1788 queue->idx, peerid, status); in nvmet_tcp_tls_handshake_done()
1789 spin_lock_bh(&queue->state_lock); in nvmet_tcp_tls_handshake_done()
1790 if (WARN_ON(queue->state != NVMET_TCP_Q_TLS_HANDSHAKE)) { in nvmet_tcp_tls_handshake_done()
1791 spin_unlock_bh(&queue->state_lock); in nvmet_tcp_tls_handshake_done()
1795 queue->tls_pskid = peerid; in nvmet_tcp_tls_handshake_done()
1796 queue->state = NVMET_TCP_Q_CONNECTING; in nvmet_tcp_tls_handshake_done()
1798 queue->state = NVMET_TCP_Q_FAILED; in nvmet_tcp_tls_handshake_done()
1799 spin_unlock_bh(&queue->state_lock); in nvmet_tcp_tls_handshake_done()
1801 cancel_delayed_work_sync(&queue->tls_handshake_tmo_work); in nvmet_tcp_tls_handshake_done()
1804 status = nvmet_tcp_tls_key_lookup(queue, peerid); in nvmet_tcp_tls_handshake_done()
1807 nvmet_tcp_schedule_release_queue(queue); in nvmet_tcp_tls_handshake_done()
1809 nvmet_tcp_set_queue_sock(queue); in nvmet_tcp_tls_handshake_done()
1810 kref_put(&queue->kref, nvmet_tcp_release_queue); in nvmet_tcp_tls_handshake_done()
1815 struct nvmet_tcp_queue *queue = container_of(to_delayed_work(w), in nvmet_tcp_tls_handshake_timeout() local
1818 pr_warn("queue %d: TLS handshake timeout\n", queue->idx); in nvmet_tcp_tls_handshake_timeout()
1822 if (!tls_handshake_cancel(queue->sock->sk)) in nvmet_tcp_tls_handshake_timeout()
1824 spin_lock_bh(&queue->state_lock); in nvmet_tcp_tls_handshake_timeout()
1825 if (WARN_ON(queue->state != NVMET_TCP_Q_TLS_HANDSHAKE)) { in nvmet_tcp_tls_handshake_timeout()
1826 spin_unlock_bh(&queue->state_lock); in nvmet_tcp_tls_handshake_timeout()
1829 queue->state = NVMET_TCP_Q_FAILED; in nvmet_tcp_tls_handshake_timeout()
1830 spin_unlock_bh(&queue->state_lock); in nvmet_tcp_tls_handshake_timeout()
1831 nvmet_tcp_schedule_release_queue(queue); in nvmet_tcp_tls_handshake_timeout()
1832 kref_put(&queue->kref, nvmet_tcp_release_queue); in nvmet_tcp_tls_handshake_timeout()
1835 static int nvmet_tcp_tls_handshake(struct nvmet_tcp_queue *queue) in nvmet_tcp_tls_handshake() argument
1840 if (queue->state != NVMET_TCP_Q_TLS_HANDSHAKE) { in nvmet_tcp_tls_handshake()
1841 pr_warn("cannot start TLS in state %d\n", queue->state); in nvmet_tcp_tls_handshake()
1845 kref_get(&queue->kref); in nvmet_tcp_tls_handshake()
1846 pr_debug("queue %d: TLS ServerHello\n", queue->idx); in nvmet_tcp_tls_handshake()
1848 args.ta_sock = queue->sock; in nvmet_tcp_tls_handshake()
1850 args.ta_data = queue; in nvmet_tcp_tls_handshake()
1851 args.ta_keyring = key_serial(queue->port->nport->keyring); in nvmet_tcp_tls_handshake()
1856 kref_put(&queue->kref, nvmet_tcp_release_queue); in nvmet_tcp_tls_handshake()
1859 queue_delayed_work(nvmet_wq, &queue->tls_handshake_tmo_work, in nvmet_tcp_tls_handshake()
1871 struct nvmet_tcp_queue *queue; in nvmet_tcp_alloc_queue() local
1875 queue = kzalloc(sizeof(*queue), GFP_KERNEL); in nvmet_tcp_alloc_queue()
1876 if (!queue) { in nvmet_tcp_alloc_queue()
1881 INIT_WORK(&queue->release_work, nvmet_tcp_release_queue_work); in nvmet_tcp_alloc_queue()
1882 INIT_WORK(&queue->io_work, nvmet_tcp_io_work); in nvmet_tcp_alloc_queue()
1883 kref_init(&queue->kref); in nvmet_tcp_alloc_queue()
1884 queue->sock = newsock; in nvmet_tcp_alloc_queue()
1885 queue->port = port; in nvmet_tcp_alloc_queue()
1886 queue->nr_cmds = 0; in nvmet_tcp_alloc_queue()
1887 spin_lock_init(&queue->state_lock); in nvmet_tcp_alloc_queue()
1888 if (queue->port->nport->disc_addr.tsas.tcp.sectype == in nvmet_tcp_alloc_queue()
1890 queue->state = NVMET_TCP_Q_TLS_HANDSHAKE; in nvmet_tcp_alloc_queue()
1892 queue->state = NVMET_TCP_Q_CONNECTING; in nvmet_tcp_alloc_queue()
1893 INIT_LIST_HEAD(&queue->free_list); in nvmet_tcp_alloc_queue()
1894 init_llist_head(&queue->resp_list); in nvmet_tcp_alloc_queue()
1895 INIT_LIST_HEAD(&queue->resp_send_list); in nvmet_tcp_alloc_queue()
1897 sock_file = sock_alloc_file(queue->sock, O_CLOEXEC, NULL); in nvmet_tcp_alloc_queue()
1903 queue->idx = ida_alloc(&nvmet_tcp_queue_ida, GFP_KERNEL); in nvmet_tcp_alloc_queue()
1904 if (queue->idx < 0) { in nvmet_tcp_alloc_queue()
1905 ret = queue->idx; in nvmet_tcp_alloc_queue()
1909 ret = nvmet_tcp_alloc_cmd(queue, &queue->connect); in nvmet_tcp_alloc_queue()
1913 nvmet_cq_init(&queue->nvme_cq); in nvmet_tcp_alloc_queue()
1914 ret = nvmet_sq_init(&queue->nvme_sq, &queue->nvme_cq); in nvmet_tcp_alloc_queue()
1918 nvmet_prepare_receive_pdu(queue); in nvmet_tcp_alloc_queue()
1921 list_add_tail(&queue->queue_list, &nvmet_tcp_queue_list); in nvmet_tcp_alloc_queue()
1924 INIT_DELAYED_WORK(&queue->tls_handshake_tmo_work, in nvmet_tcp_alloc_queue()
1927 if (queue->state == NVMET_TCP_Q_TLS_HANDSHAKE) { in nvmet_tcp_alloc_queue()
1928 struct sock *sk = queue->sock->sk; in nvmet_tcp_alloc_queue()
1935 if (!nvmet_tcp_try_peek_pdu(queue)) { in nvmet_tcp_alloc_queue()
1936 if (!nvmet_tcp_tls_handshake(queue)) in nvmet_tcp_alloc_queue()
1942 queue->state = NVMET_TCP_Q_CONNECTING; in nvmet_tcp_alloc_queue()
1946 ret = nvmet_tcp_set_queue_sock(queue); in nvmet_tcp_alloc_queue()
1953 list_del_init(&queue->queue_list); in nvmet_tcp_alloc_queue()
1955 nvmet_sq_destroy(&queue->nvme_sq); in nvmet_tcp_alloc_queue()
1957 nvmet_cq_put(&queue->nvme_cq); in nvmet_tcp_alloc_queue()
1958 nvmet_tcp_free_cmd(&queue->connect); in nvmet_tcp_alloc_queue()
1960 ida_free(&nvmet_tcp_queue_ida, queue->idx); in nvmet_tcp_alloc_queue()
1962 fput(queue->sock->file); in nvmet_tcp_alloc_queue()
1964 kfree(queue); in nvmet_tcp_alloc_queue()
2086 struct nvmet_tcp_queue *queue; in nvmet_tcp_destroy_port_queues() local
2089 list_for_each_entry(queue, &nvmet_tcp_queue_list, queue_list) in nvmet_tcp_destroy_port_queues()
2090 if (queue->port == port) in nvmet_tcp_destroy_port_queues()
2091 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in nvmet_tcp_destroy_port_queues()
2116 struct nvmet_tcp_queue *queue; in nvmet_tcp_delete_ctrl() local
2119 list_for_each_entry(queue, &nvmet_tcp_queue_list, queue_list) in nvmet_tcp_delete_ctrl()
2120 if (queue->nvme_sq.ctrl == ctrl) in nvmet_tcp_delete_ctrl()
2121 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in nvmet_tcp_delete_ctrl()
2127 struct nvmet_tcp_queue *queue = in nvmet_tcp_install_queue() local
2146 queue->nr_cmds = sq->size * 2; in nvmet_tcp_install_queue()
2147 if (nvmet_tcp_alloc_cmds(queue)) { in nvmet_tcp_install_queue()
2148 queue->nr_cmds = 0; in nvmet_tcp_install_queue()
2162 struct nvmet_tcp_queue *queue = cmd->queue; in nvmet_tcp_disc_port_addr() local
2164 sprintf(traddr, "%pISc", (struct sockaddr *)&queue->sockaddr); in nvmet_tcp_disc_port_addr()
2174 struct nvmet_tcp_queue *queue = in nvmet_tcp_host_port_addr() local
2177 if (queue->sockaddr_peer.ss_family == AF_UNSPEC) in nvmet_tcp_host_port_addr()
2180 (struct sockaddr *)&queue->sockaddr_peer); in nvmet_tcp_host_port_addr()
2217 struct nvmet_tcp_queue *queue; in nvmet_tcp_exit() local
2223 list_for_each_entry(queue, &nvmet_tcp_queue_list, queue_list) in nvmet_tcp_exit()
2224 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in nvmet_tcp_exit()