90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
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/*
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* Copyright (c) 2005 Topspin Communications. 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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* $Id: ucm.h 2208 2005-04-22 23:24:31Z libor $
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*/
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#ifndef UCM_H
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#define UCM_H
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#include <linux/fs.h>
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#include <linux/device.h>
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#include <linux/cdev.h>
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#include <linux/idr.h>
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#include <ib_cm.h>
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#include <ib_user_cm.h>
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#define IB_UCM_CM_ID_INVALID 0xffffffff
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struct ib_ucm_file {
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struct semaphore mutex;
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struct file *filp;
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/*
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* list of pending events
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*/
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struct list_head ctxs; /* list of active connections */
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struct list_head events; /* list of pending events */
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wait_queue_head_t poll_wait;
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};
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struct ib_ucm_context {
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int id;
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int ref;
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int error;
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struct ib_ucm_file *file;
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struct ib_cm_id *cm_id;
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struct semaphore mutex;
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struct list_head events; /* list of pending events. */
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struct list_head file_list; /* member in file ctx list */
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};
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struct ib_ucm_event {
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struct ib_ucm_context *ctx;
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struct list_head file_list; /* member in file event list */
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struct list_head ctx_list; /* member in ctx event list */
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struct ib_ucm_event_resp resp;
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void *data;
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void *info;
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int data_len;
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int info_len;
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/*
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* new connection identifiers needs to be saved until
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* userspace can get a handle on them.
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*/
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struct ib_cm_id *cm_id;
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};
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#endif /* UCM_H */
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