/* * Copyright (c) 2005-2006 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef RDMA_USER_CM_H #define RDMA_USER_CM_H #include <linux/types.h> #include <linux/in6.h> #include <rdma/ib_user_verbs.h> #include <rdma/ib_user_sa.h> #define RDMA_USER_CM_ABI_VERSION 4 #define RDMA_MAX_PRIVATE_DATA 256 enum { RDMA_USER_CM_CMD_CREATE_ID, RDMA_USER_CM_CMD_DESTROY_ID, RDMA_USER_CM_CMD_BIND_ADDR, RDMA_USER_CM_CMD_RESOLVE_ADDR, RDMA_USER_CM_CMD_RESOLVE_ROUTE, RDMA_USER_CM_CMD_QUERY_ROUTE, RDMA_USER_CM_CMD_CONNECT, RDMA_USER_CM_CMD_LISTEN, RDMA_USER_CM_CMD_ACCEPT, RDMA_USER_CM_CMD_REJECT, RDMA_USER_CM_CMD_DISCONNECT, RDMA_USER_CM_CMD_INIT_QP_ATTR, RDMA_USER_CM_CMD_GET_EVENT, RDMA_USER_CM_CMD_GET_OPTION, RDMA_USER_CM_CMD_SET_OPTION, RDMA_USER_CM_CMD_NOTIFY, RDMA_USER_CM_CMD_JOIN_MCAST, RDMA_USER_CM_CMD_LEAVE_MCAST, RDMA_USER_CM_CMD_MIGRATE_ID }; /* * command ABI structures. */ struct rdma_ucm_cmd_hdr { __u32 cmd; __u16 in; __u16 out; }; struct rdma_ucm_create_id { __u64 uid; __u64 response; __u16 ps; __u8 reserved[6]; }; struct rdma_ucm_create_id_resp { __u32 id; }; struct rdma_ucm_destroy_id { __u64 response; __u32 id; __u32 reserved; }; struct rdma_ucm_destroy_id_resp { __u32 events_reported; }; struct rdma_ucm_bind_addr { __u64 response; struct sockaddr_in6 addr; __u32 id; }; struct rdma_ucm_resolve_addr { struct sockaddr_in6 src_addr; struct sockaddr_in6 dst_addr; __u32 id; __u32 timeout_ms; }; struct rdma_ucm_resolve_route { __u32 id; __u32 timeout_ms; }; struct rdma_ucm_query_route { __u64 response; __u32 id; __u32 reserved; }; struct rdma_ucm_query_route_resp { __u64 node_guid; struct ib_user_path_rec ib_route[2]; struct sockaddr_in6 src_addr; struct sockaddr_in6 dst_addr; __u32 num_paths; __u8 port_num; __u8 reserved[3]; }; struct rdma_ucm_conn_param { __u32 qp_num; __u32 reserved; __u8 private_data[RDMA_MAX_PRIVATE_DATA]; __u8 private_data_len; __u8 srq; __u8 responder_resources; __u8 initiator_depth; __u8 flow_control; __u8 retry_count; __u8 rnr_retry_count; __u8 valid; }; struct rdma_ucm_ud_param { __u32 qp_num; __u32 qkey; struct ib_uverbs_ah_attr ah_attr; __u8 private_data[RDMA_MAX_PRIVATE_DATA]; __u8 private_data_len; __u8 reserved[7]; }; struct rdma_ucm_connect { struct rdma_ucm_conn_param conn_param; __u32 id; __u32 reserved; }; struct rdma_ucm_listen { __u32 id; __u32 backlog; }; struct rdma_ucm_accept { __u64 uid; struct rdma_ucm_conn_param conn_param; __u32 id; __u32 reserved; }; struct rdma_ucm_reject { __u32 id; __u8 private_data_len; __u8 reserved[3]; __u8 private_data[RDMA_MAX_PRIVATE_DATA]; }; struct rdma_ucm_disconnect { __u32 id; }; struct rdma_ucm_init_qp_attr { __u64 response; __u32 id; __u32 qp_state; }; struct rdma_ucm_notify { __u32 id; __u32 event; }; struct rdma_ucm_join_mcast { __u64 response; /* rdma_ucm_create_id_resp */ __u64 uid; struct sockaddr_in6 addr; __u32 id; }; struct rdma_ucm_get_event { __u64 response; }; struct rdma_ucm_event_resp { __u64 uid; __u32 id; __u32 event; __u32 status; union { struct rdma_ucm_conn_param conn; struct rdma_ucm_ud_param ud; } param; }; /* Option levels */ enum { RDMA_OPTION_ID = 0 }; /* Option details */ enum { RDMA_OPTION_ID_TOS = 0 }; struct rdma_ucm_set_option { __u64 optval; __u32 id; __u32 level; __u32 optname; __u32 optlen; }; struct rdma_ucm_migrate_id { __u64 response; __u32 id; __u32 fd; }; struct rdma_ucm_migrate_resp { __u32 events_reported; }; #endif /* RDMA_USER_CM_H */