326 lines
6.4 KiB
C
326 lines
6.4 KiB
C
/*
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* Copyright (c) 2005 Topspin Communications. All rights reserved.
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* Copyright (c) 2005 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 IB_USER_CM_H
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#define IB_USER_CM_H
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#include <linux/types.h>
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#include <rdma/ib_user_sa.h>
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#define IB_USER_CM_ABI_VERSION 5
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enum {
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IB_USER_CM_CMD_CREATE_ID,
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IB_USER_CM_CMD_DESTROY_ID,
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IB_USER_CM_CMD_ATTR_ID,
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IB_USER_CM_CMD_LISTEN,
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IB_USER_CM_CMD_NOTIFY,
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IB_USER_CM_CMD_SEND_REQ,
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IB_USER_CM_CMD_SEND_REP,
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IB_USER_CM_CMD_SEND_RTU,
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IB_USER_CM_CMD_SEND_DREQ,
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IB_USER_CM_CMD_SEND_DREP,
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IB_USER_CM_CMD_SEND_REJ,
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IB_USER_CM_CMD_SEND_MRA,
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IB_USER_CM_CMD_SEND_LAP,
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IB_USER_CM_CMD_SEND_APR,
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IB_USER_CM_CMD_SEND_SIDR_REQ,
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IB_USER_CM_CMD_SEND_SIDR_REP,
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IB_USER_CM_CMD_EVENT,
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IB_USER_CM_CMD_INIT_QP_ATTR,
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};
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/*
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* command ABI structures.
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*/
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struct ib_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 ib_ucm_create_id {
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__u64 uid;
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__u64 response;
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};
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struct ib_ucm_create_id_resp {
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__u32 id;
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};
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struct ib_ucm_destroy_id {
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__u64 response;
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__u32 id;
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__u32 reserved;
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};
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struct ib_ucm_destroy_id_resp {
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__u32 events_reported;
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};
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struct ib_ucm_attr_id {
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__u64 response;
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__u32 id;
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__u32 reserved;
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};
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struct ib_ucm_attr_id_resp {
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__be64 service_id;
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__be64 service_mask;
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__be32 local_id;
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__be32 remote_id;
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};
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struct ib_ucm_init_qp_attr {
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__u64 response;
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__u32 id;
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__u32 qp_state;
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};
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struct ib_ucm_listen {
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__be64 service_id;
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__be64 service_mask;
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__u32 id;
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__u32 reserved;
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};
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struct ib_ucm_notify {
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__u32 id;
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__u32 event;
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};
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struct ib_ucm_private_data {
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__u64 data;
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__u32 id;
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__u8 len;
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__u8 reserved[3];
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};
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struct ib_ucm_req {
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__u32 id;
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__u32 qpn;
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__u32 qp_type;
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__u32 psn;
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__be64 sid;
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__u64 data;
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__u64 primary_path;
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__u64 alternate_path;
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__u8 len;
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__u8 peer_to_peer;
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__u8 responder_resources;
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__u8 initiator_depth;
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__u8 remote_cm_response_timeout;
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__u8 flow_control;
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__u8 local_cm_response_timeout;
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__u8 retry_count;
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__u8 rnr_retry_count;
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__u8 max_cm_retries;
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__u8 srq;
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__u8 reserved[5];
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};
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struct ib_ucm_rep {
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__u64 uid;
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__u64 data;
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__u32 id;
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__u32 qpn;
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__u32 psn;
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__u8 len;
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__u8 responder_resources;
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__u8 initiator_depth;
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__u8 target_ack_delay;
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__u8 failover_accepted;
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__u8 flow_control;
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__u8 rnr_retry_count;
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__u8 srq;
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__u8 reserved[4];
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};
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struct ib_ucm_info {
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__u32 id;
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__u32 status;
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__u64 info;
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__u64 data;
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__u8 info_len;
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__u8 data_len;
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__u8 reserved[6];
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};
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struct ib_ucm_mra {
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__u64 data;
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__u32 id;
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__u8 len;
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__u8 timeout;
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__u8 reserved[2];
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};
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struct ib_ucm_lap {
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__u64 path;
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__u64 data;
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__u32 id;
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__u8 len;
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__u8 reserved[3];
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};
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struct ib_ucm_sidr_req {
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__u32 id;
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__u32 timeout;
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__be64 sid;
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__u64 data;
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__u64 path;
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__u16 reserved_pkey;
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__u8 len;
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__u8 max_cm_retries;
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__u8 reserved[4];
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};
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struct ib_ucm_sidr_rep {
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__u32 id;
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__u32 qpn;
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__u32 qkey;
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__u32 status;
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__u64 info;
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__u64 data;
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__u8 info_len;
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__u8 data_len;
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__u8 reserved[6];
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};
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/*
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* event notification ABI structures.
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*/
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struct ib_ucm_event_get {
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__u64 response;
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__u64 data;
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__u64 info;
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__u8 data_len;
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__u8 info_len;
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__u8 reserved[6];
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};
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struct ib_ucm_req_event_resp {
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struct ib_user_path_rec primary_path;
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struct ib_user_path_rec alternate_path;
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__be64 remote_ca_guid;
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__u32 remote_qkey;
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__u32 remote_qpn;
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__u32 qp_type;
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__u32 starting_psn;
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__u8 responder_resources;
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__u8 initiator_depth;
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__u8 local_cm_response_timeout;
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__u8 flow_control;
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__u8 remote_cm_response_timeout;
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__u8 retry_count;
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__u8 rnr_retry_count;
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__u8 srq;
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__u8 port;
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__u8 reserved[7];
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};
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struct ib_ucm_rep_event_resp {
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__be64 remote_ca_guid;
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__u32 remote_qkey;
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__u32 remote_qpn;
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__u32 starting_psn;
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__u8 responder_resources;
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__u8 initiator_depth;
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__u8 target_ack_delay;
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__u8 failover_accepted;
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__u8 flow_control;
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__u8 rnr_retry_count;
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__u8 srq;
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__u8 reserved[5];
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};
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struct ib_ucm_rej_event_resp {
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__u32 reason;
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/* ari in ib_ucm_event_get info field. */
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};
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struct ib_ucm_mra_event_resp {
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__u8 timeout;
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__u8 reserved[3];
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};
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struct ib_ucm_lap_event_resp {
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struct ib_user_path_rec path;
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};
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struct ib_ucm_apr_event_resp {
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__u32 status;
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/* apr info in ib_ucm_event_get info field. */
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};
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struct ib_ucm_sidr_req_event_resp {
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__u16 pkey;
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__u8 port;
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__u8 reserved;
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};
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struct ib_ucm_sidr_rep_event_resp {
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__u32 status;
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__u32 qkey;
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__u32 qpn;
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/* info in ib_ucm_event_get info field. */
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};
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#define IB_UCM_PRES_DATA 0x01
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#define IB_UCM_PRES_INFO 0x02
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#define IB_UCM_PRES_PRIMARY 0x04
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#define IB_UCM_PRES_ALTERNATE 0x08
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struct ib_ucm_event_resp {
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__u64 uid;
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__u32 id;
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__u32 event;
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__u32 present;
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__u32 reserved;
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union {
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struct ib_ucm_req_event_resp req_resp;
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struct ib_ucm_rep_event_resp rep_resp;
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struct ib_ucm_rej_event_resp rej_resp;
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struct ib_ucm_mra_event_resp mra_resp;
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struct ib_ucm_lap_event_resp lap_resp;
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struct ib_ucm_apr_event_resp apr_resp;
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struct ib_ucm_sidr_req_event_resp sidr_req_resp;
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struct ib_ucm_sidr_rep_event_resp sidr_rep_resp;
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__u32 send_status;
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} u;
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};
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#endif /* IB_USER_CM_H */
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