[PATCH] IB: Add the header file for user space CM

/*

 * Copyright (c) 2005 Topspin Communications.  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.

 *

 * $Id: ib_user_cm.h 2576 2005-06-09 17:00:30Z libor $

 */

#ifndef IB_USER_CM_H

#define IB_USER_CM_H

#include <linux/types.h>

#define IB_USER_CM_ABI_VERSION 1

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_ESTABLISH,

	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,

};

/*

 * command ABI structures.

 */

struct ib_ucm_cmd_hdr {

	__u32 cmd;

	__u16 in;

	__u16 out;

};

struct ib_ucm_create_id {

	__u64 response;

};

struct ib_ucm_create_id_resp {

	__u32 id;

};

struct ib_ucm_destroy_id {

	__u32 id;

};

struct ib_ucm_attr_id {

	__u64 response;

	__u32 id;

};

struct ib_ucm_attr_id_resp {

	__u64 service_id;

	__u64 service_mask;

	__u32 local_id;

	__u32 remote_id;

};

struct ib_ucm_listen {

	__u64 service_id;

	__u64 service_mask;

	__u32 id;

};

struct ib_ucm_establish {

	__u32 id;

};

struct ib_ucm_private_data {

	__u64 data;

	__u32 id;

	__u8  len;

	__u8  reserved[3];

};

struct ib_ucm_path_rec {

	__u8  dgid[16];

	__u8  sgid[16];

	__u16 dlid;

	__u16 slid;

	__u32 raw_traffic;

	__u32 flow_label;

	__u32 reversible;

	__u32 mtu;

	__u16 pkey;

	__u8  hop_limit;

	__u8  traffic_class;

	__u8  numb_path;

	__u8  sl;

	__u8  mtu_selector;

	__u8  rate_selector;

	__u8  rate;

	__u8  packet_life_time_selector;

	__u8  packet_life_time;

	__u8  preference;

};

struct ib_ucm_req {

	__u32 id;

	__u32 qpn;

	__u32 qp_type;

	__u32 psn;

	__u64 sid;

	__u64 data;

	__u64 primary_path;

	__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[1];

};

struct ib_ucm_rep {

	__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;

};

struct ib_ucm_info {

	__u32 id;

	__u32 status;

	__u64 info;

	__u64 data;

	__u8  info_len;

	__u8  data_len;

	__u8  reserved[2];

};

struct ib_ucm_mra {

	__u64 data;

	__u32 id;

	__u8  len;

	__u8  timeout;

	__u8  reserved[2];

};

struct ib_ucm_lap {

	__u64 path;

	__u64 data;

	__u32 id;

	__u8  len;

	__u8  reserved[3];

};

struct ib_ucm_sidr_req {

	__u32 id;

	__u32 timeout;

	__u64 sid;

	__u64 data;

	__u64 path;

	__u16 pkey;

	__u8  len;

	__u8  max_cm_retries;

};

struct ib_ucm_sidr_rep {

	__u32 id;

	__u32 qpn;

	__u32 qkey;

	__u32 status;

	__u64 info;

	__u64 data;

	__u8  info_len;

	__u8  data_len;

	__u8  reserved[2];

};

/*

 * event notification ABI structures.

 */

struct ib_ucm_event_get {

	__u64 response;

	__u64 data;

	__u64 info;

	__u8  data_len;

	__u8  info_len;

	__u8  reserved[2];

};

struct ib_ucm_req_event_resp {

	__u32                  listen_id;

	/* device */

	/* port */

	struct ib_ucm_path_rec primary_path;

	struct ib_ucm_path_rec alternate_path;

	__u64                  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;

};

struct ib_ucm_rep_event_resp {

	__u64 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[1];

};

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_ucm_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 {

	__u32 listen_id;

	/* device */

	/* port */

	__u16 pkey;

	__u8  reserved[2];

};

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 {

	__u32 id;

	__u32 event;

	__u32 present;

	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 */