LXR qemu/include/block/throttle-groups.h

   1/*
   2 * QEMU block throttling group infrastructure
   3 *
   4 * Copyright (C) Nodalink, EURL. 2014
   5 * Copyright (C) Igalia, S.L. 2015
   6 *
   7 * Authors:
   8 *   Benoît Canet <benoit.canet@nodalink.com>
   9 *   Alberto Garcia <berto@igalia.com>
  10 *
  11 * This program is free software; you can redistribute it and/or
  12 * modify it under the terms of the GNU General Public License as
  13 * published by the Free Software Foundation; either version 2 or
  14 * (at your option) version 3 of the License.
  15 *
  16 * This program is distributed in the hope that it will be useful,
  17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 * GNU General Public License for more details.
  20 *
  21 * You should have received a copy of the GNU General Public License
  22 * along with this program; if not, see <http://www.gnu.org/licenses/>.
  23 */
  24
  25#ifndef THROTTLE_GROUPS_H
  26#define THROTTLE_GROUPS_H
  27
  28#include "qemu/throttle.h"
  29#include "block/block_int.h"
  30
  31const char *throttle_group_get_name(BlockDriverState *bs);
  32
  33ThrottleState *throttle_group_incref(const char *name);
  34void throttle_group_unref(ThrottleState *ts);
  35
  36void throttle_group_config(BlockDriverState *bs, ThrottleConfig *cfg);
  37void throttle_group_get_config(BlockDriverState *bs, ThrottleConfig *cfg);
  38
  39void throttle_group_register_bs(BlockDriverState *bs, const char *groupname);
  40void throttle_group_unregister_bs(BlockDriverState *bs);
  41
  42void coroutine_fn throttle_group_co_io_limits_intercept(BlockDriverState *bs,
  43                                                        unsigned int bytes,
  44                                                        bool is_write);
  45
  46#endif
  47