debuggers.hg

view tools/blktap2/drivers/tapdisk-ipc.h @ 20915:07f33d124053

blktap2: Sort out tapdisk IPC init.

Move I/O and event callbacks setup out of tapdisk-server, into
tapdisk-ipc.

Signed-off-by: Daniel Stodden <daniel.stodden@citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Fri Jan 29 08:53:52 2010 +0000 (2010-01-29)
parents 1c627434605e
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_IPC_H_
29 #define _TAPDISK_IPC_H_
31 #include "tapdisk-message.h"
32 #include "scheduler.h"
34 typedef struct td_ipc_handle {
35 int rfd;
36 int wfd;
37 event_id_t rfd_event;
38 td_uuid_t uuid;
39 } td_ipc_t;
41 int tapdisk_ipc_open(td_ipc_t *ipc, const char *read, const char *write);
42 void tapdisk_ipc_close(td_ipc_t *ipc);
43 int tapdisk_ipc_read(td_ipc_t *ipc);
44 int tapdisk_ipc_write(td_ipc_t *ipc, int type);
45 int tapdisk_ipc_write_error(td_ipc_t *ipc, const char *message);
47 #endif