[mirror_qemu.git] / fsdev / qemu-fsdev-throttle.h

/*
 * Fsdev Throttle
 *
 * Copyright (C) 2016 Huawei Technologies Duesseldorf GmbH
 *
 * Author: Pradeep Jagadeesh <pradeep.jagadeesh@huawei.com>
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or
 * (at your option) any later version.
 *
 * See the COPYING file in the top-level directory for details.
 *
 */

#ifndef QEMU_FSDEV_THROTTLE_H
#define QEMU_FSDEV_THROTTLE_H

#include "block/aio.h"
#include "qemu/coroutine.h"
#include "qemu/throttle.h"

typedef struct FsThrottle {
    ThrottleState ts;
    ThrottleTimers tt;
    ThrottleConfig cfg;
    CoQueue      throttled_reqs[2];
} FsThrottle;

int fsdev_throttle_parse_opts(QemuOpts *, FsThrottle *, Error **);

void fsdev_throttle_init(FsThrottle *);

void coroutine_fn fsdev_co_throttle_request(FsThrottle *, bool ,
                                            struct iovec *, int);

void fsdev_throttle_cleanup(FsThrottle *);

#endif /* QEMU_FSDEV_THROTTLE_H */
Commit	Line	Data
b8bbdb88 PJ	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
58ea30f5 MA	15	#ifndef QEMU_FSDEV_THROTTLE_H
58ea30f5 MA	16	#define QEMU_FSDEV_THROTTLE_H
b8bbdb88 PJ	17
b8bbdb88 PJ	18	#include "block/aio.h"
b8bbdb88	19	#include "qemu/coroutine.h"
b8bbdb88 PJ	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
ea52cdd4	29	int fsdev_throttle_parse_opts(QemuOpts , FsThrottle , Error **);
b8bbdb88 PJ	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 *);
58ea30f5 MA	37
58ea30f5 MA	38	#endif /* QEMU_FSDEV_THROTTLE_H */