Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-and-misc-271020-1...
[qemu.git] / fsdev / qemu-fsdev-throttle.h
1 /*
2 * Fsdev Throttle
3 *
4 * Copyright (C) 2016 Huawei Technologies Duesseldorf GmbH
5 *
6 * Author: Pradeep Jagadeesh <pradeep.jagadeesh@huawei.com>
7 *
8 * This work is licensed under the terms of the GNU GPL, version 2 or
9 * (at your option) any later version.
10 *
11 * See the COPYING file in the top-level directory for details.
12 *
13 */
14
15 #ifndef QEMU_FSDEV_THROTTLE_H
16 #define QEMU_FSDEV_THROTTLE_H
17
18 #include "block/aio.h"
19 #include "qemu/coroutine.h"
20 #include "qemu/throttle.h"
21
22 typedef struct FsThrottle {
23 ThrottleState ts;
24 ThrottleTimers tt;
25 ThrottleConfig cfg;
26 CoQueue throttled_reqs[2];
27 } FsThrottle;
28
29 int fsdev_throttle_parse_opts(QemuOpts *, FsThrottle *, Error **);
30
31 void fsdev_throttle_init(FsThrottle *);
32
33 void coroutine_fn fsdev_co_throttle_request(FsThrottle *, bool ,
34 struct iovec *, int);
35
36 void fsdev_throttle_cleanup(FsThrottle *);
37
38 #endif /* QEMU_FSDEV_THROTTLE_H */