LXR qemu/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
  22typedef struct FsThrottle {
  23    ThrottleState ts;
  24    ThrottleTimers tt;
  25    ThrottleConfig cfg;
  26    CoQueue      throttled_reqs[2];
  27} FsThrottle;
  28
  29int fsdev_throttle_parse_opts(QemuOpts *, FsThrottle *, Error **);
  30
  31void fsdev_throttle_init(FsThrottle *);
  32
  33void coroutine_fn fsdev_co_throttle_request(FsThrottle *, bool ,
  34                                            struct iovec *, int);
  35
  36void fsdev_throttle_cleanup(FsThrottle *);
  37
  38#endif /* QEMU_FSDEV_THROTTLE_H */
  39