2011-03-21 09:58:24 +00:00

339 lines
6.6 KiB
C

/*
* 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.
*
* $Id$
*/
#ifndef CM_ABI_H
#define CM_ABI_H
#include <infiniband/types.h>
#include <infiniband/sa.h>
#include <infiniband/marshall.h>
/*
* This file must be kept in sync with the kernel's version of ib_user_cm.h
*/
#define IB_USER_CM_MIN_ABI_VERSION 4
#define IB_USER_CM_MAX_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_ESTABLISH = IB_USER_CM_CMD_NOTIFY, /* ABI 4 support */
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 cm_abi_cmd_hdr {
__u32 cmd;
__u16 in;
__u16 out;
};
struct cm_abi_create_id {
__u64 uid;
__u64 response;
};
struct cm_abi_create_id_resp {
__u32 id;
};
struct cm_abi_destroy_id {
__u64 response;
__u32 id;
__u32 reserved;
};
struct cm_abi_destroy_id_resp {
__u32 events_reported;
};
struct cm_abi_attr_id {
__u64 response;
__u32 id;
__u32 reserved;
};
struct cm_abi_attr_id_resp {
__u64 service_id;
__u64 service_mask;
__u32 local_id;
__u32 remote_id;
};
struct cm_abi_init_qp_attr {
__u64 response;
__u32 id;
__u32 qp_state;
};
struct cm_abi_listen {
__u64 service_id;
__u64 service_mask;
__u32 id;
__u32 reserved;
};
struct cm_abi_establish { /* ABI 4 support */
__u32 id;
};
struct cm_abi_notify {
__u32 id;
__u32 event;
};
struct cm_abi_private_data {
__u64 data;
__u32 id;
__u8 len;
__u8 reserved[3];
};
struct cm_abi_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[5];
};
struct cm_abi_rep {
__u64 uid;
__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 cm_abi_info {
__u32 id;
__u32 status;
__u64 info;
__u64 data;
__u8 info_len;
__u8 data_len;
__u8 reserved[6];
};
struct cm_abi_mra {
__u64 data;
__u32 id;
__u8 len;
__u8 timeout;
__u8 reserved[2];
};
struct cm_abi_lap {
__u64 path;
__u64 data;
__u32 id;
__u8 len;
__u8 reserved[3];
};
struct cm_abi_sidr_req {
__u32 id;
__u32 timeout;
__u64 sid;
__u64 data;
__u64 path;
__u16 pkey;
__u8 len;
__u8 max_cm_retries;
__u8 reserved[4];
};
struct cm_abi_sidr_rep {
__u32 id;
__u32 qpn;
__u32 qkey;
__u32 status;
__u64 info;
__u64 data;
__u8 info_len;
__u8 data_len;
__u8 reserved[6];
};
/*
* event notification ABI structures.
*/
struct cm_abi_event_get {
__u64 response;
__u64 data;
__u64 info;
__u8 data_len;
__u8 info_len;
__u8 reserved[6];
};
struct cm_abi_req_event_resp {
struct ibv_kern_path_rec primary_path;
struct ibv_kern_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;
__u8 port;
__u8 reserved[7];
};
struct cm_abi_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[5];
};
struct cm_abi_rej_event_resp {
__u32 reason;
/* ari in cm_abi_event_get info field. */
};
struct cm_abi_mra_event_resp {
__u8 timeout;
__u8 reserved[3];
};
struct cm_abi_lap_event_resp {
struct ibv_kern_path_rec path;
};
struct cm_abi_apr_event_resp {
__u32 status;
/* apr info in cm_abi_event_get info field. */
};
struct cm_abi_sidr_req_event_resp {
__u16 pkey;
__u8 port;
__u8 reserved;
};
struct cm_abi_sidr_rep_event_resp {
__u32 status;
__u32 qkey;
__u32 qpn;
/* info in cm_abi_event_get info field. */
};
#define CM_ABI_PRES_DATA 0x01
#define CM_ABI_PRES_INFO 0x02
#define CM_ABI_PRES_PRIMARY 0x04
#define CM_ABI_PRES_ALTERNATE 0x08
struct cm_abi_event_resp {
__u64 uid;
__u32 id;
__u32 event;
__u32 present;
__u32 reserved;
union {
struct cm_abi_req_event_resp req_resp;
struct cm_abi_rep_event_resp rep_resp;
struct cm_abi_rej_event_resp rej_resp;
struct cm_abi_mra_event_resp mra_resp;
struct cm_abi_lap_event_resp lap_resp;
struct cm_abi_apr_event_resp apr_resp;
struct cm_abi_sidr_req_event_resp sidr_req_resp;
struct cm_abi_sidr_rep_event_resp sidr_rep_resp;
__u32 send_status;
} u;
};
#endif /* CM_ABI_H */