Commit | Line | Data |
---|---|---|
a5b74540 HR |
1 | /* |
2 | * Copyright (c) 2005 Topspin Communications. All rights reserved. | |
3 | * | |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | * | |
32 | * $Id: ucm.h 2208 2005-04-22 23:24:31Z libor $ | |
33 | */ | |
34 | ||
35 | #ifndef UCM_H | |
36 | #define UCM_H | |
37 | ||
38 | #include <linux/fs.h> | |
39 | #include <linux/device.h> | |
40 | #include <linux/cdev.h> | |
41 | #include <linux/idr.h> | |
42 | ||
a4d61e84 RD |
43 | #include <rdma/ib_cm.h> |
44 | #include <rdma/ib_user_cm.h> | |
a5b74540 HR |
45 | |
46 | #define IB_UCM_CM_ID_INVALID 0xffffffff | |
47 | ||
48 | struct ib_ucm_file { | |
49 | struct semaphore mutex; | |
50 | struct file *filp; | |
b9ef520f | 51 | |
a5b74540 HR |
52 | struct list_head ctxs; /* list of active connections */ |
53 | struct list_head events; /* list of pending events */ | |
54 | wait_queue_head_t poll_wait; | |
55 | }; | |
56 | ||
57 | struct ib_ucm_context { | |
58 | int id; | |
b9ef520f SH |
59 | wait_queue_head_t wait; |
60 | atomic_t ref; | |
a5b74540 HR |
61 | |
62 | struct ib_ucm_file *file; | |
63 | struct ib_cm_id *cm_id; | |
a5b74540 HR |
64 | |
65 | struct list_head events; /* list of pending events. */ | |
66 | struct list_head file_list; /* member in file ctx list */ | |
67 | }; | |
68 | ||
69 | struct ib_ucm_event { | |
70 | struct ib_ucm_context *ctx; | |
71 | struct list_head file_list; /* member in file event list */ | |
72 | struct list_head ctx_list; /* member in ctx event list */ | |
73 | ||
74 | struct ib_ucm_event_resp resp; | |
75 | void *data; | |
76 | void *info; | |
77 | int data_len; | |
78 | int info_len; | |
79 | /* | |
80 | * new connection identifiers needs to be saved until | |
81 | * userspace can get a handle on them. | |
82 | */ | |
83 | struct ib_cm_id *cm_id; | |
84 | }; | |
85 | ||
86 | #endif /* UCM_H */ |