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/*
* cgroup.h: Interface to tools for managing cgroups
*
* Copyright (C) 2011-2012 Red Hat, Inc.
* Copyright IBM Corp. 2008
*
* 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, see
* <http://www.gnu.org/licenses/>.
*
* Authors:
* Dan Smith <danms@us.ibm.com>
*/
#ifndef CGROUP_H
# define CGROUP_H
struct virCgroup;
typedef struct virCgroup *virCgroupPtr;
enum {
VIR_CGROUP_CONTROLLER_CPU,
VIR_CGROUP_CONTROLLER_CPUACCT,
VIR_CGROUP_CONTROLLER_CPUSET,
VIR_CGROUP_CONTROLLER_MEMORY,
VIR_CGROUP_CONTROLLER_DEVICES,
VIR_CGROUP_CONTROLLER_FREEZER,
VIR_CGROUP_CONTROLLER_BLKIO,
VIR_CGROUP_CONTROLLER_LAST
};
VIR_ENUM_DECL(virCgroupController);
int virCgroupForDriver(const char *name,
virCgroupPtr *group,
int privileged,
int create);
int virCgroupForDomain(virCgroupPtr driver,
const char *name,
virCgroupPtr *group,
int create);
int virCgroupForVcpu(virCgroupPtr driver,
int vcpuid,
virCgroupPtr *group,
int create);
int virCgroupForEmulator(virCgroupPtr driver,
virCgroupPtr *group,
int create);
int virCgroupPathOfController(virCgroupPtr group,
int controller,
const char *key,
char **path);
int virCgroupAddTask(virCgroupPtr group, pid_t pid);
int virCgroupAddTaskController(virCgroupPtr group,
pid_t pid,
int controller);
int virCgroupMoveTask(virCgroupPtr src_group,
virCgroupPtr dest_group,
int controller);
int virCgroupSetBlkioWeight(virCgroupPtr group, unsigned int weight);
int virCgroupGetBlkioWeight(virCgroupPtr group, unsigned int *weight);
int virCgroupSetBlkioDeviceWeight(virCgroupPtr group,
const char *path,
unsigned int weight);
int virCgroupSetMemory(virCgroupPtr group, unsigned long long kb);
int virCgroupGetMemoryUsage(virCgroupPtr group, unsigned long *kb);
int virCgroupSetMemoryHardLimit(virCgroupPtr group, unsigned long long kb);
int virCgroupGetMemoryHardLimit(virCgroupPtr group, unsigned long long *kb);
int virCgroupSetMemorySoftLimit(virCgroupPtr group, unsigned long long kb);
int virCgroupGetMemorySoftLimit(virCgroupPtr group, unsigned long long *kb);
int virCgroupSetMemSwapHardLimit(virCgroupPtr group, unsigned long long kb);
int virCgroupGetMemSwapHardLimit(virCgroupPtr group, unsigned long long *kb);
enum {
VIR_CGROUP_DEVICE_READ = 1,
VIR_CGROUP_DEVICE_WRITE = 2,
VIR_CGROUP_DEVICE_MKNOD = 4,
VIR_CGROUP_DEVICE_RW = VIR_CGROUP_DEVICE_READ | VIR_CGROUP_DEVICE_WRITE,
VIR_CGROUP_DEVICE_RWM = VIR_CGROUP_DEVICE_RW | VIR_CGROUP_DEVICE_MKNOD,
};
int virCgroupDenyAllDevices(virCgroupPtr group);
int virCgroupAllowDevice(virCgroupPtr group,
char type,
int major,
int minor,
int perms);
int virCgroupAllowDeviceMajor(virCgroupPtr group,
char type,
int major,
int perms);
int virCgroupAllowDevicePath(virCgroupPtr group,
const char *path,
int perms);
int virCgroupDenyDevice(virCgroupPtr group,
char type,
int major,
int minor,
int perms);
int virCgroupDenyDeviceMajor(virCgroupPtr group,
char type,
int major,
int perms);
int virCgroupDenyDevicePath(virCgroupPtr group,
const char *path,
int perms);
int virCgroupSetCpuShares(virCgroupPtr group, unsigned long long shares);
int virCgroupGetCpuShares(virCgroupPtr group, unsigned long long *shares);
int virCgroupSetCpuCfsPeriod(virCgroupPtr group, unsigned long long cfs_period);
int virCgroupGetCpuCfsPeriod(virCgroupPtr group, unsigned long long *cfs_period);
int virCgroupSetCpuCfsQuota(virCgroupPtr group, long long cfs_quota);
int virCgroupGetCpuCfsQuota(virCgroupPtr group, long long *cfs_quota);
int virCgroupGetCpuacctUsage(virCgroupPtr group, unsigned long long *usage);
int virCgroupGetCpuacctPercpuUsage(virCgroupPtr group, char **usage);
int virCgroupGetCpuacctStat(virCgroupPtr group, unsigned long long *user,
unsigned long long *sys);
int virCgroupSetFreezerState(virCgroupPtr group, const char *state);
int virCgroupGetFreezerState(virCgroupPtr group, char **state);
int virCgroupSetCpusetMems(virCgroupPtr group, const char *mems);
int virCgroupGetCpusetMems(virCgroupPtr group, char **mems);
int virCgroupSetCpusetCpus(virCgroupPtr group, const char *cpus);
int virCgroupGetCpusetCpus(virCgroupPtr group, char **cpus);
int virCgroupRemove(virCgroupPtr group);
void virCgroupFree(virCgroupPtr *group);
bool virCgroupMounted(virCgroupPtr cgroup, int controller);
int virCgroupKill(virCgroupPtr group, int signum);
int virCgroupKillRecursive(virCgroupPtr group, int signum);
int virCgroupKillPainfully(virCgroupPtr group);
#endif /* CGROUP_H */
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