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 31 const char *throttle_group_get_name(BlockBackend *blk); 32 33 ThrottleState *throttle_group_incref(const char *name); 34 void throttle_group_unref(ThrottleState *ts); 35 36 void throttle_group_config(BlockBackend *blk, ThrottleConfig *cfg); 37 void throttle_group_get_config(BlockBackend *blk, ThrottleConfig *cfg); 38 39 void throttle_group_register_blk(BlockBackend *blk, const char *groupname); 40 void throttle_group_unregister_blk(BlockBackend *blk); 41 void throttle_group_restart_blk(BlockBackend *blk); 42 43 void coroutine_fn throttle_group_co_io_limits_intercept(BlockBackend *blk, 44 unsigned int bytes, 45 bool is_write); 46 47 #endif 48