/* * Copyright (c) 2005-2011 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_CMA_ABI_H #define RDMA_CMA_ABI_H #include #include #include #include /* * This file must be kept in sync with the kernel's version of rdma_user_cm.h */ #define RDMA_USER_CM_MIN_ABI_VERSION 3 #define RDMA_USER_CM_MAX_ABI_VERSION 4 #define RDMA_MAX_PRIVATE_DATA 256 enum { UCMA_CMD_CREATE_ID, UCMA_CMD_DESTROY_ID, UCMA_CMD_BIND_IP, UCMA_CMD_RESOLVE_IP, UCMA_CMD_RESOLVE_ROUTE, UCMA_CMD_QUERY_ROUTE, UCMA_CMD_CONNECT, UCMA_CMD_LISTEN, UCMA_CMD_ACCEPT, UCMA_CMD_REJECT, UCMA_CMD_DISCONNECT, UCMA_CMD_INIT_QP_ATTR, UCMA_CMD_GET_EVENT, UCMA_CMD_GET_OPTION, UCMA_CMD_SET_OPTION, UCMA_CMD_NOTIFY, UCMA_CMD_JOIN_IP_MCAST, UCMA_CMD_LEAVE_MCAST, UCMA_CMD_MIGRATE_ID, UCMA_CMD_QUERY, UCMA_CMD_BIND, UCMA_CMD_RESOLVE_ADDR, UCMA_CMD_JOIN_MCAST }; struct ucma_abi_cmd_hdr { __u32 cmd; __u16 in; __u16 out; }; struct ucma_abi_create_id { __u32 cmd; __u16 in; __u16 out; __u64 uid; __u64 response; __u16 ps; __u8 qp_type; __u8 reserved[5]; }; struct ucma_abi_create_id_resp { __u32 id; }; struct ucma_abi_destroy_id { __u32 cmd; __u16 in; __u16 out; __u64 response; __u32 id; __u32 reserved; }; struct ucma_abi_destroy_id_resp { __u32 events_reported; }; struct ucma_abi_bind_ip { __u32 cmd; __u16 in; __u16 out; __u64 response; struct sockaddr_in6 addr; __u32 id; }; struct ucma_abi_bind { __u32 cmd; __u16 in; __u16 out; __u32 id; __u16 addr_size; __u16 reserved; struct sockaddr_storage addr; }; struct ucma_abi_resolve_ip { __u32 cmd; __u16 in; __u16 out; struct sockaddr_in6 src_addr; struct sockaddr_in6 dst_addr; __u32 id; __u32 timeout_ms; }; struct ucma_abi_resolve_addr { __u32 cmd; __u16 in; __u16 out; __u32 id; __u32 timeout_ms; __u16 src_size; __u16 dst_size; __u32 reserved; struct sockaddr_storage src_addr; struct sockaddr_storage dst_addr; }; struct ucma_abi_resolve_route { __u32 cmd; __u16 in; __u16 out; __u32 id; __u32 timeout_ms; }; enum { UCMA_QUERY_ADDR, UCMA_QUERY_PATH, UCMA_QUERY_GID }; struct ucma_abi_query { __u32 cmd; __u16 in; __u16 out; __u64 response; __u32 id; __u32 option; }; struct ucma_abi_query_route_resp { __be64 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]; __u32 ibdev_index; __u32 reserved1; }; struct ucma_abi_query_addr_resp { __be64 node_guid; __u8 port_num; __u8 reserved; __be16 pkey; __u16 src_size; __u16 dst_size; struct sockaddr_storage src_addr; struct sockaddr_storage dst_addr; __u32 ibdev_index; __u32 reserved1; }; struct ucma_abi_query_path_resp { __u32 num_paths; __u32 reserved; struct ibv_path_data path_data[0]; }; struct ucma_abi_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 ucma_abi_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]; __u8 reserved2[4]; /* Round to 8-byte boundary to support 32/64 */ }; struct ucma_abi_ece { __u32 vendor_id; __u32 attr_mod; }; struct ucma_abi_connect { __u32 cmd; __u16 in; __u16 out; struct ucma_abi_conn_param conn_param; __u32 id; __u32 reserved; struct ucma_abi_ece ece; }; struct ucma_abi_listen { __u32 cmd; __u16 in; __u16 out; __u32 id; __u32 backlog; }; struct ucma_abi_accept { __u32 cmd; __u16 in; __u16 out; __u64 uid; struct ucma_abi_conn_param conn_param; __u32 id; __u32 reserved; struct ucma_abi_ece ece; }; struct ucma_abi_reject { __u32 cmd; __u16 in; __u16 out; __u32 id; __u8 private_data_len; __u8 reason; __u8 reserved[2]; __u8 private_data[RDMA_MAX_PRIVATE_DATA]; }; struct ucma_abi_disconnect { __u32 cmd; __u16 in; __u16 out; __u32 id; }; struct ucma_abi_init_qp_attr { __u32 cmd; __u16 in; __u16 out; __u64 response; __u32 id; __u32 qp_state; }; struct ucma_abi_notify { __u32 cmd; __u16 in; __u16 out; __u32 id; __u32 event; }; struct ucma_abi_join_ip_mcast { __u32 cmd; __u16 in; __u16 out; __u64 response; /* ucma_abi_create_id_resp */ __u64 uid; struct sockaddr_in6 addr; __u32 id; }; struct ucma_abi_join_mcast { __u32 cmd; __u16 in; __u16 out; __u64 response; /* rdma_ucma_create_id_resp */ __u64 uid; __u32 id; __u16 addr_size; __u16 join_flags; struct sockaddr_storage addr; }; struct ucma_abi_get_event { __u32 cmd; __u16 in; __u16 out; __u64 response; }; struct ucma_abi_event_resp { __u64 uid; __u32 id; __u32 event; __u32 status; union { struct ucma_abi_conn_param conn; struct ucma_abi_ud_param ud; } param; struct ucma_abi_ece ece; }; struct ucma_abi_set_option { __u32 cmd; __u16 in; __u16 out; __u64 optval; __u32 id; __u32 level; __u32 optname; __u32 optlen; }; struct ucma_abi_migrate_id { __u32 cmd; __u16 in; __u16 out; __u64 response; __u32 id; __u32 fd; }; struct ucma_abi_migrate_resp { __u32 events_reported; }; #endif /* RDMA_CMA_ABI_H */