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/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
/*
* Copyright (c) 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 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 IB_USER_CM_H
#define IB_USER_CM_H
#include <linux/types.h>
#include <rdma/ib_user_sa.h>
#define IB_USER_CM_ABI_VERSION 5
enum {
IB_USER_CM_CMD_CREATE_ID,
IB_USER_CM_CMD_DESTROY_ID,
IB_USER_CM_CMD_ATTR_ID,
IB_USER_CM_CMD_LISTEN,
IB_USER_CM_CMD_NOTIFY,
IB_USER_CM_CMD_SEND_REQ,
IB_USER_CM_CMD_SEND_REP,
IB_USER_CM_CMD_SEND_RTU,
IB_USER_CM_CMD_SEND_DREQ,
IB_USER_CM_CMD_SEND_DREP,
IB_USER_CM_CMD_SEND_REJ,
IB_USER_CM_CMD_SEND_MRA,
IB_USER_CM_CMD_SEND_LAP,
IB_USER_CM_CMD_SEND_APR,
IB_USER_CM_CMD_SEND_SIDR_REQ,
IB_USER_CM_CMD_SEND_SIDR_REP,
IB_USER_CM_CMD_EVENT,
IB_USER_CM_CMD_INIT_QP_ATTR,
};
/*
* command ABI structures.
*/
struct ib_ucm_cmd_hdr {
__u32 cmd;
__u16 in;
__u16 out;
};
struct ib_ucm_create_id {
__aligned_u64 uid;
__aligned_u64 response;
};
struct ib_ucm_create_id_resp {
__u32 id;
};
struct ib_ucm_destroy_id {
__aligned_u64 response;
__u32 id;
__u32 reserved;
};
struct ib_ucm_destroy_id_resp {
__u32 events_reported;
};
struct ib_ucm_attr_id {
__aligned_u64 response;
__u32 id;
__u32 reserved;
};
struct ib_ucm_attr_id_resp {
__be64 service_id;
__be64 service_mask;
__be32 local_id;
__be32 remote_id;
};
struct ib_ucm_init_qp_attr {
__aligned_u64 response;
__u32 id;
__u32 qp_state;
};
struct ib_ucm_listen {
__be64 service_id;
__be64 service_mask;
__u32 id;
__u32 reserved;
};
struct ib_ucm_notify {
__u32 id;
__u32 event;
};
struct ib_ucm_private_data {
__aligned_u64 data;
__u32 id;
__u8 len;
__u8 reserved[3];
};
struct ib_ucm_req {
__u32 id;
__u32 qpn;
__u32 qp_type;
__u32 psn;
__be64 sid;
__aligned_u64 data;
__aligned_u64 primary_path;
__aligned_u64 alternate_path;
__u8 len;
__u8 peer_to_peer;
__u8 responder_resources;
__u8 initiator_depth;
__u8 remote_cm_response_timeout;
__u8 flow_control;
__u8 local_cm_response_timeout;
__u8 retry_count;
__u8 rnr_retry_count;
__u8 max_cm_retries;
__u8 srq;
__u8 reserved[5];
};
struct ib_ucm_rep {
__aligned_u64 uid;
__aligned_u64 data;
__u32 id;
__u32 qpn;
__u32 psn;
__u8 len;
__u8 responder_resources;
__u8 initiator_depth;
__u8 target_ack_delay;
__u8 failover_accepted;
__u8 flow_control;
__u8 rnr_retry_count;
__u8 srq;
__u8 reserved[4];
};
struct ib_ucm_info {
__u32 id;
__u32 status;
__aligned_u64 info;
__aligned_u64 data;
__u8 info_len;
__u8 data_len;
__u8 reserved[6];
};
struct ib_ucm_mra {
__aligned_u64 data;
__u32 id;
__u8 len;
__u8 timeout;
__u8 reserved[2];
};
struct ib_ucm_lap {
__aligned_u64 path;
__aligned_u64 data;
__u32 id;
__u8 len;
__u8 reserved[3];
};
struct ib_ucm_sidr_req {
__u32 id;
__u32 timeout;
__be64 sid;
__aligned_u64 data;
__aligned_u64 path;
__u16 reserved_pkey;
__u8 len;
__u8 max_cm_retries;
__u8 reserved[4];
};
struct ib_ucm_sidr_rep {
__u32 id;
__u32 qpn;
__u32 qkey;
__u32 status;
__aligned_u64 info;
__aligned_u64 data;
__u8 info_len;
__u8 data_len;
__u8 reserved[6];
};
/*
* event notification ABI structures.
*/
struct ib_ucm_event_get {
__aligned_u64 response;
__aligned_u64 data;
__aligned_u64 info;
__u8 data_len;
__u8 info_len;
__u8 reserved[6];
};
struct ib_ucm_req_event_resp {
struct ib_user_path_rec primary_path;
struct ib_user_path_rec alternate_path;
__be64 remote_ca_guid;
__u32 remote_qkey;
__u32 remote_qpn;
__u32 qp_type;
__u32 starting_psn;
__u8 responder_resources;
__u8 initiator_depth;
__u8 local_cm_response_timeout;
__u8 flow_control;
__u8 remote_cm_response_timeout;
__u8 retry_count;
__u8 rnr_retry_count;
__u8 srq;
__u8 port;
__u8 reserved[7];
};
struct ib_ucm_rep_event_resp {
__be64 remote_ca_guid;
__u32 remote_qkey;
__u32 remote_qpn;
__u32 starting_psn;
__u8 responder_resources;
__u8 initiator_depth;
__u8 target_ack_delay;
__u8 failover_accepted;
__u8 flow_control;
__u8 rnr_retry_count;
__u8 srq;
__u8 reserved[5];
};
struct ib_ucm_rej_event_resp {
__u32 reason;
/* ari in ib_ucm_event_get info field. */
};
struct ib_ucm_mra_event_resp {
__u8 timeout;
__u8 reserved[3];
};
struct ib_ucm_lap_event_resp {
struct ib_user_path_rec path;
};
struct ib_ucm_apr_event_resp {
__u32 status;
/* apr info in ib_ucm_event_get info field. */
};
struct ib_ucm_sidr_req_event_resp {
__u16 pkey;
__u8 port;
__u8 reserved;
};
struct ib_ucm_sidr_rep_event_resp {
__u32 status;
__u32 qkey;
__u32 qpn;
/* info in ib_ucm_event_get info field. */
};
#define IB_UCM_PRES_DATA 0x01
#define IB_UCM_PRES_INFO 0x02
#define IB_UCM_PRES_PRIMARY 0x04
#define IB_UCM_PRES_ALTERNATE 0x08
struct ib_ucm_event_resp {
__aligned_u64 uid;
__u32 id;
__u32 event;
__u32 present;
__u32 reserved;
union {
struct ib_ucm_req_event_resp req_resp;
struct ib_ucm_rep_event_resp rep_resp;
struct ib_ucm_rej_event_resp rej_resp;
struct ib_ucm_mra_event_resp mra_resp;
struct ib_ucm_lap_event_resp lap_resp;
struct ib_ucm_apr_event_resp apr_resp;
struct ib_ucm_sidr_req_event_resp sidr_req_resp;
struct ib_ucm_sidr_rep_event_resp sidr_rep_resp;
__u32 send_status;
} u;
};
#endif /* IB_USER_CM_H */
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