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Pradeep Jagadeeshb8bbdb82017-02-28 10:31:46 +01001/*
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 _FSDEV_THROTTLE_H
16#define _FSDEV_THROTTLE_H
17
18#include "block/aio.h"
19#include "qemu/main-loop.h"
20#include "qemu/coroutine.h"
21#include "qapi/error.h"
22#include "qemu/throttle.h"
23
24typedef struct FsThrottle {
25 ThrottleState ts;
26 ThrottleTimers tt;
27 ThrottleConfig cfg;
28 CoQueue throttled_reqs[2];
29} FsThrottle;
30
31void fsdev_throttle_parse_opts(QemuOpts *, FsThrottle *, Error **);
32
33void fsdev_throttle_init(FsThrottle *);
34
35void coroutine_fn fsdev_co_throttle_request(FsThrottle *, bool ,
36 struct iovec *, int);
37
38void fsdev_throttle_cleanup(FsThrottle *);
39#endif /* _FSDEV_THROTTLE_H */