debuggers.hg

view tools/blktap2/drivers/tapdisk-server.h @ 22848:6341fe0f4e5a

Added tag 4.1.0-rc2 for changeset 9dca60d88c63
author Keir Fraser <keir@xen.org>
date Tue Jan 25 14:06:55 2011 +0000 (2011-01-25)
parents 63d0f5348af2
children
line source
1 /*
2 * Copyright (c) 2008, XenSource Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of XenSource Inc. nor the names of its contributors
13 * may be used to endorse or promote products derived from this software
14 * without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
20 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
26 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28 #ifndef _TAPDISK_SERVER_H_
29 #define _TAPDISK_SERVER_H_
31 #include "list.h"
32 #include "tapdisk-vbd.h"
33 #include "tapdisk-queue.h"
35 struct tap_disk *tapdisk_server_find_driver_interface(int);
37 td_image_t *tapdisk_server_get_shared_image(td_image_t *);
39 struct list_head *tapdisk_server_get_all_vbds(void);
40 td_vbd_t *tapdisk_server_get_vbd(td_uuid_t);
41 void tapdisk_server_add_vbd(td_vbd_t *);
42 void tapdisk_server_remove_vbd(td_vbd_t *);
44 void tapdisk_server_queue_tiocb(struct tiocb *);
46 void tapdisk_server_check_state(void);
48 event_id_t tapdisk_server_register_event(char, int, int, event_cb_t, void *);
49 void tapdisk_server_unregister_event(event_id_t);
50 void tapdisk_server_set_max_timeout(int);
52 int tapdisk_server_init(void);
53 int tapdisk_server_initialize(void);
54 int tapdisk_server_complete(void);
55 int tapdisk_server_run(void);
56 void tapdisk_server_iterate(void);
58 #define TAPDISK_TIOCBS (TAPDISK_DATA_REQUESTS + 50)
60 typedef struct tapdisk_server {
61 int run;
62 struct list_head vbds;
63 scheduler_t scheduler;
64 struct tqueue aio_queue;
65 } tapdisk_server_t;
67 #endif