drivers/infiniband/include/ib_user_cm.h - third_party/linux - Git at Google

 /*
  * 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 */
	/*
	* 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 */