/*
* 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 <infiniband/kern-abi.h>
#include <rdma/ib_user_sa.h>
#include <infiniband/sa.h>
#include <netinet/in.h>
/*
* 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];
};
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;
};
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 ibv_kern_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_connect {
__u32 cmd;
__u16 in;
__u16 out;
struct ucma_abi_conn_param conn_param;
__u32 id;
__u32 reserved;
};
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_reject {
__u32 cmd;
__u16 in;
__u16 out;
__u32 id;
__u8 private_data_len;
__u8 reserved[3];
__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 reserved;
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_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 */