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Diffstat (limited to '')
| -rw-r--r-- | include/uapi/rdma/rdma_user_cm.h | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/include/uapi/rdma/rdma_user_cm.h b/include/uapi/rdma/rdma_user_cm.h new file mode 100644 index 000000000..0d1e78eba --- /dev/null +++ b/include/uapi/rdma/rdma_user_cm.h @@ -0,0 +1,324 @@ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ +/* + * 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/socket.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_IP, + RDMA_USER_CM_CMD_RESOLVE_IP, + 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_IP_MCAST, + RDMA_USER_CM_CMD_LEAVE_MCAST, + RDMA_USER_CM_CMD_MIGRATE_ID, + RDMA_USER_CM_CMD_QUERY, + RDMA_USER_CM_CMD_BIND, + RDMA_USER_CM_CMD_RESOLVE_ADDR, + RDMA_USER_CM_CMD_JOIN_MCAST +}; + +/* See IBTA Annex A11, servies ID bytes 4 & 5 */ +enum rdma_ucm_port_space { + RDMA_PS_IPOIB = 0x0002, + RDMA_PS_IB = 0x013F, + RDMA_PS_TCP = 0x0106, + RDMA_PS_UDP = 0x0111, +}; + +/* + * command ABI structures. + */ +struct rdma_ucm_cmd_hdr { + __u32 cmd; + __u16 in; + __u16 out; +}; + +struct rdma_ucm_create_id { + __aligned_u64 uid; + __aligned_u64 response; + __u16 ps; /* use enum rdma_ucm_port_space */ + __u8 qp_type; + __u8 reserved[5]; +}; + +struct rdma_ucm_create_id_resp { + __u32 id; +}; + +struct rdma_ucm_destroy_id { + __aligned_u64 response; + __u32 id; + __u32 reserved; +}; + +struct rdma_ucm_destroy_id_resp { + __u32 events_reported; +}; + +struct rdma_ucm_bind_ip { + __aligned_u64 response; + struct sockaddr_in6 addr; + __u32 id; +}; + +struct rdma_ucm_bind { + __u32 id; + __u16 addr_size; + __u16 reserved; + struct __kernel_sockaddr_storage addr; +}; + +struct rdma_ucm_resolve_ip { + struct sockaddr_in6 src_addr; + struct sockaddr_in6 dst_addr; + __u32 id; + __u32 timeout_ms; +}; + +struct rdma_ucm_resolve_addr { + __u32 id; + __u32 timeout_ms; + __u16 src_size; + __u16 dst_size; + __u32 reserved; + struct __kernel_sockaddr_storage src_addr; + struct __kernel_sockaddr_storage dst_addr; +}; + +struct rdma_ucm_resolve_route { + __u32 id; + __u32 timeout_ms; +}; + +enum { + RDMA_USER_CM_QUERY_ADDR, + RDMA_USER_CM_QUERY_PATH, + RDMA_USER_CM_QUERY_GID +}; + +struct rdma_ucm_query { + __aligned_u64 response; + __u32 id; + __u32 option; +}; + +struct rdma_ucm_query_route_resp { + __aligned_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_query_addr_resp { + __aligned_u64 node_guid; + __u8 port_num; + __u8 reserved; + __u16 pkey; + __u16 src_size; + __u16 dst_size; + struct __kernel_sockaddr_storage src_addr; + struct __kernel_sockaddr_storage dst_addr; +}; + +struct rdma_ucm_query_path_resp { + __u32 num_paths; + __u32 reserved; + struct ib_path_rec_data path_data[0]; +}; + +struct rdma_ucm_conn_param { + __u32 qp_num; + __u32 qkey; + __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 { + __aligned_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 { + __aligned_u64 response; + __u32 id; + __u32 qp_state; +}; + +struct rdma_ucm_notify { + __u32 id; + __u32 event; +}; + +struct rdma_ucm_join_ip_mcast { + __aligned_u64 response; /* rdma_ucm_create_id_resp */ + __aligned_u64 uid; + struct sockaddr_in6 addr; + __u32 id; +}; + +/* Multicast join flags */ +enum { + RDMA_MC_JOIN_FLAG_FULLMEMBER, + RDMA_MC_JOIN_FLAG_SENDONLY_FULLMEMBER, + RDMA_MC_JOIN_FLAG_RESERVED, +}; + +struct rdma_ucm_join_mcast { + __aligned_u64 response; /* rdma_ucma_create_id_resp */ + __aligned_u64 uid; + __u32 id; + __u16 addr_size; + __u16 join_flags; + struct __kernel_sockaddr_storage addr; +}; + +struct rdma_ucm_get_event { + __aligned_u64 response; +}; + +struct rdma_ucm_event_resp { + __aligned_u64 uid; + __u32 id; + __u32 event; + __u32 status; + /* + * NOTE: This union is not aligned to 8 bytes so none of the union + * members may contain a u64 or anything with higher alignment than 4. + */ + union { + struct rdma_ucm_conn_param conn; + struct rdma_ucm_ud_param ud; + } param; + __u32 reserved; +}; + +/* Option levels */ +enum { + RDMA_OPTION_ID = 0, + RDMA_OPTION_IB = 1 +}; + +/* Option details */ +enum { + RDMA_OPTION_ID_TOS = 0, + RDMA_OPTION_ID_REUSEADDR = 1, + RDMA_OPTION_ID_AFONLY = 2, + RDMA_OPTION_IB_PATH = 1 +}; + +struct rdma_ucm_set_option { + __aligned_u64 optval; + __u32 id; + __u32 level; + __u32 optname; + __u32 optlen; +}; + +struct rdma_ucm_migrate_id { + __aligned_u64 response; + __u32 id; + __u32 fd; +}; + +struct rdma_ucm_migrate_resp { + __u32 events_reported; +}; + +#endif /* RDMA_USER_CM_H */ |