libvirt/src/qemu/qemu_cgroup.h
Wen Congyang c4441fee10 qemu: Implement period and quota tunable XML configuration and parsing
This patch implements period and quota tunable XML configuration and parsing.
A quota or period of zero will be simply ignored.
2011-07-21 17:11:12 +08:00

63 lines
2.3 KiB
C

/*
* qemu_cgroup.h: QEMU cgroup management
*
* Copyright (C) 2006-2007, 2009-2011 Red Hat, Inc.
* Copyright (C) 2006 Daniel P. Berrange
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Daniel P. Berrange <berrange@redhat.com>
*/
#ifndef __QEMU_CGROUP_H__
# define __QEMU_CGROUP_H__
# include "hostusb.h"
# include "domain_conf.h"
# include "qemu_conf.h"
struct _qemuCgroupData {
virDomainObjPtr vm;
virCgroupPtr cgroup;
};
typedef struct _qemuCgroupData qemuCgroupData;
bool qemuCgroupControllerActive(struct qemud_driver *driver,
int controller);
int qemuSetupDiskCgroup(struct qemud_driver *driver,
virDomainObjPtr vm,
virCgroupPtr cgroup,
virDomainDiskDefPtr disk);
int qemuTeardownDiskCgroup(struct qemud_driver *driver,
virDomainObjPtr vm,
virCgroupPtr cgroup,
virDomainDiskDefPtr disk);
int qemuSetupHostUsbDeviceCgroup(usbDevice *dev,
const char *path,
void *opaque);
int qemuSetupCgroup(struct qemud_driver *driver,
virDomainObjPtr vm);
int qemuSetupCgroupVcpuBW(virCgroupPtr cgroup,
unsigned long long period,
long long quota);
int qemuSetupCgroupForVcpu(struct qemud_driver *driver, virDomainObjPtr vm);
int qemuRemoveCgroup(struct qemud_driver *driver,
virDomainObjPtr vm,
int quiet);
int qemuAddToCgroup(struct qemud_driver *driver,
virDomainDefPtr def);
#endif /* __QEMU_CGROUP_H__ */