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 void 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 */ 39