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341 lines
7.0 KiB
341 lines
7.0 KiB
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ |
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/* |
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* Copyright (c) 2005-2006 Intel Corporation. All rights reserved. |
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* |
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* This software is available to you under a choice of one of two |
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* licenses. You may choose to be licensed under the terms of the GNU |
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* General Public License (GPL) Version 2, available from the file |
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* COPYING in the main directory of this source tree, or the |
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* OpenIB.org BSD license below: |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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#ifndef RDMA_USER_CM_H |
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#define RDMA_USER_CM_H |
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#include <linux/types.h> |
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#include <linux/socket.h> |
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#include <linux/in6.h> |
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#include <rdma/ib_user_verbs.h> |
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#include <rdma/ib_user_sa.h> |
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#define RDMA_USER_CM_ABI_VERSION 4 |
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#define RDMA_MAX_PRIVATE_DATA 256 |
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enum { |
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RDMA_USER_CM_CMD_CREATE_ID, |
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RDMA_USER_CM_CMD_DESTROY_ID, |
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RDMA_USER_CM_CMD_BIND_IP, |
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RDMA_USER_CM_CMD_RESOLVE_IP, |
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RDMA_USER_CM_CMD_RESOLVE_ROUTE, |
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RDMA_USER_CM_CMD_QUERY_ROUTE, |
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RDMA_USER_CM_CMD_CONNECT, |
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RDMA_USER_CM_CMD_LISTEN, |
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RDMA_USER_CM_CMD_ACCEPT, |
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RDMA_USER_CM_CMD_REJECT, |
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RDMA_USER_CM_CMD_DISCONNECT, |
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RDMA_USER_CM_CMD_INIT_QP_ATTR, |
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RDMA_USER_CM_CMD_GET_EVENT, |
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RDMA_USER_CM_CMD_GET_OPTION, |
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RDMA_USER_CM_CMD_SET_OPTION, |
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RDMA_USER_CM_CMD_NOTIFY, |
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RDMA_USER_CM_CMD_JOIN_IP_MCAST, |
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RDMA_USER_CM_CMD_LEAVE_MCAST, |
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RDMA_USER_CM_CMD_MIGRATE_ID, |
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RDMA_USER_CM_CMD_QUERY, |
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RDMA_USER_CM_CMD_BIND, |
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RDMA_USER_CM_CMD_RESOLVE_ADDR, |
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RDMA_USER_CM_CMD_JOIN_MCAST |
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}; |
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/* See IBTA Annex A11, servies ID bytes 4 & 5 */ |
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enum rdma_ucm_port_space { |
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RDMA_PS_IPOIB = 0x0002, |
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RDMA_PS_IB = 0x013F, |
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RDMA_PS_TCP = 0x0106, |
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RDMA_PS_UDP = 0x0111, |
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}; |
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/* |
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* command ABI structures. |
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*/ |
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struct rdma_ucm_cmd_hdr { |
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__u32 cmd; |
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__u16 in; |
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__u16 out; |
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}; |
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struct rdma_ucm_create_id { |
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__aligned_u64 uid; |
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__aligned_u64 response; |
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__u16 ps; /* use enum rdma_ucm_port_space */ |
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__u8 qp_type; |
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__u8 reserved[5]; |
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}; |
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struct rdma_ucm_create_id_resp { |
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__u32 id; |
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}; |
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struct rdma_ucm_destroy_id { |
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__aligned_u64 response; |
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__u32 id; |
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__u32 reserved; |
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}; |
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struct rdma_ucm_destroy_id_resp { |
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__u32 events_reported; |
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}; |
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struct rdma_ucm_bind_ip { |
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__aligned_u64 response; |
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struct sockaddr_in6 addr; |
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__u32 id; |
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}; |
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struct rdma_ucm_bind { |
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__u32 id; |
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__u16 addr_size; |
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__u16 reserved; |
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struct __kernel_sockaddr_storage addr; |
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}; |
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struct rdma_ucm_resolve_ip { |
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struct sockaddr_in6 src_addr; |
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struct sockaddr_in6 dst_addr; |
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__u32 id; |
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__u32 timeout_ms; |
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}; |
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struct rdma_ucm_resolve_addr { |
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__u32 id; |
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__u32 timeout_ms; |
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__u16 src_size; |
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__u16 dst_size; |
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__u32 reserved; |
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struct __kernel_sockaddr_storage src_addr; |
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struct __kernel_sockaddr_storage dst_addr; |
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}; |
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struct rdma_ucm_resolve_route { |
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__u32 id; |
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__u32 timeout_ms; |
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}; |
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enum { |
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RDMA_USER_CM_QUERY_ADDR, |
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RDMA_USER_CM_QUERY_PATH, |
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RDMA_USER_CM_QUERY_GID |
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}; |
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struct rdma_ucm_query { |
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__aligned_u64 response; |
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__u32 id; |
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__u32 option; |
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}; |
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struct rdma_ucm_query_route_resp { |
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__aligned_u64 node_guid; |
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struct ib_user_path_rec ib_route[2]; |
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struct sockaddr_in6 src_addr; |
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struct sockaddr_in6 dst_addr; |
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__u32 num_paths; |
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__u8 port_num; |
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__u8 reserved[3]; |
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__u32 ibdev_index; |
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__u32 reserved1; |
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}; |
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struct rdma_ucm_query_addr_resp { |
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__aligned_u64 node_guid; |
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__u8 port_num; |
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__u8 reserved; |
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__u16 pkey; |
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__u16 src_size; |
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__u16 dst_size; |
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struct __kernel_sockaddr_storage src_addr; |
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struct __kernel_sockaddr_storage dst_addr; |
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__u32 ibdev_index; |
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__u32 reserved1; |
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}; |
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struct rdma_ucm_query_path_resp { |
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__u32 num_paths; |
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__u32 reserved; |
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struct ib_path_rec_data path_data[0]; |
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}; |
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struct rdma_ucm_conn_param { |
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__u32 qp_num; |
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__u32 qkey; |
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__u8 private_data[RDMA_MAX_PRIVATE_DATA]; |
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__u8 private_data_len; |
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__u8 srq; |
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__u8 responder_resources; |
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__u8 initiator_depth; |
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__u8 flow_control; |
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__u8 retry_count; |
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__u8 rnr_retry_count; |
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__u8 valid; |
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}; |
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struct rdma_ucm_ud_param { |
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__u32 qp_num; |
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__u32 qkey; |
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struct ib_uverbs_ah_attr ah_attr; |
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__u8 private_data[RDMA_MAX_PRIVATE_DATA]; |
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__u8 private_data_len; |
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__u8 reserved[7]; |
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}; |
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struct rdma_ucm_ece { |
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__u32 vendor_id; |
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__u32 attr_mod; |
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}; |
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struct rdma_ucm_connect { |
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struct rdma_ucm_conn_param conn_param; |
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__u32 id; |
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__u32 reserved; |
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struct rdma_ucm_ece ece; |
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}; |
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struct rdma_ucm_listen { |
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__u32 id; |
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__u32 backlog; |
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}; |
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struct rdma_ucm_accept { |
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__aligned_u64 uid; |
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struct rdma_ucm_conn_param conn_param; |
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__u32 id; |
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__u32 reserved; |
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struct rdma_ucm_ece ece; |
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}; |
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struct rdma_ucm_reject { |
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__u32 id; |
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__u8 private_data_len; |
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__u8 reason; |
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__u8 reserved[2]; |
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__u8 private_data[RDMA_MAX_PRIVATE_DATA]; |
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}; |
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struct rdma_ucm_disconnect { |
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__u32 id; |
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}; |
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struct rdma_ucm_init_qp_attr { |
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__aligned_u64 response; |
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__u32 id; |
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__u32 qp_state; |
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}; |
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struct rdma_ucm_notify { |
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__u32 id; |
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__u32 event; |
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}; |
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struct rdma_ucm_join_ip_mcast { |
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__aligned_u64 response; /* rdma_ucm_create_id_resp */ |
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__aligned_u64 uid; |
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struct sockaddr_in6 addr; |
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__u32 id; |
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}; |
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/* Multicast join flags */ |
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enum { |
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RDMA_MC_JOIN_FLAG_FULLMEMBER, |
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RDMA_MC_JOIN_FLAG_SENDONLY_FULLMEMBER, |
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RDMA_MC_JOIN_FLAG_RESERVED, |
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}; |
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struct rdma_ucm_join_mcast { |
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__aligned_u64 response; /* rdma_ucma_create_id_resp */ |
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__aligned_u64 uid; |
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__u32 id; |
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__u16 addr_size; |
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__u16 join_flags; |
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struct __kernel_sockaddr_storage addr; |
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}; |
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struct rdma_ucm_get_event { |
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__aligned_u64 response; |
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}; |
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struct rdma_ucm_event_resp { |
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__aligned_u64 uid; |
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__u32 id; |
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__u32 event; |
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__u32 status; |
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/* |
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* NOTE: This union is not aligned to 8 bytes so none of the union |
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* members may contain a u64 or anything with higher alignment than 4. |
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*/ |
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union { |
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struct rdma_ucm_conn_param conn; |
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struct rdma_ucm_ud_param ud; |
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} param; |
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__u32 reserved; |
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struct rdma_ucm_ece ece; |
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}; |
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/* Option levels */ |
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enum { |
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RDMA_OPTION_ID = 0, |
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RDMA_OPTION_IB = 1 |
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}; |
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/* Option details */ |
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enum { |
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RDMA_OPTION_ID_TOS = 0, |
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RDMA_OPTION_ID_REUSEADDR = 1, |
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RDMA_OPTION_ID_AFONLY = 2, |
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RDMA_OPTION_ID_ACK_TIMEOUT = 3 |
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}; |
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enum { |
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RDMA_OPTION_IB_PATH = 1 |
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}; |
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struct rdma_ucm_set_option { |
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__aligned_u64 optval; |
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__u32 id; |
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__u32 level; |
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__u32 optname; |
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__u32 optlen; |
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}; |
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struct rdma_ucm_migrate_id { |
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__aligned_u64 response; |
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__u32 id; |
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__u32 fd; |
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}; |
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struct rdma_ucm_migrate_resp { |
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__u32 events_reported; |
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}; |
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#endif /* RDMA_USER_CM_H */
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