libvirt/src/util/virhostcpu.h

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/*
* virhostcpu.h: helper APIs for host CPU info
*
* Copyright (C) 2006-2016 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, see
* <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "internal.h"
#include "virarch.h"
#include "virbitmap.h"
#include "virenum.h"
typedef struct _virHostCPUTscInfo virHostCPUTscInfo;
typedef virHostCPUTscInfo *virHostCPUTscInfoPtr;
struct _virHostCPUTscInfo {
unsigned long long frequency;
virTristateBool scaling;
};
int virHostCPUGetStats(int cpuNum,
virNodeCPUStatsPtr params,
int *nparams,
unsigned int flags);
bool virHostCPUHasBitmap(void);
virBitmapPtr virHostCPUGetPresentBitmap(void);
virBitmapPtr virHostCPUGetOnlineBitmap(void);
int virHostCPUGetCount(void);
int virHostCPUGetThreadsPerSubcore(virArch arch) G_GNUC_NO_INLINE;
int virHostCPUGetMap(unsigned char **cpumap,
unsigned int *online,
unsigned int flags);
int virHostCPUGetInfo(virArch hostarch,
unsigned int *cpus,
unsigned int *mhz,
unsigned int *nodes,
unsigned int *sockets,
unsigned int *cores,
unsigned int *threads);
int virHostCPUGetKVMMaxVCPUs(void) G_GNUC_NO_INLINE;
int virHostCPUStatsAssign(virNodeCPUStatsPtr param,
const char *name,
unsigned long long value);
#ifdef __linux__
int virHostCPUGetSocket(unsigned int cpu, unsigned int *socket);
int virHostCPUGetDie(unsigned int cpu, unsigned int *die);
int virHostCPUGetCore(unsigned int cpu, unsigned int *core);
virBitmapPtr virHostCPUGetSiblingsList(unsigned int cpu);
#endif
int virHostCPUGetOnline(unsigned int cpu, bool *online);
unsigned int virHostCPUGetMicrocodeVersion(void);
int virHostCPUGetMSR(unsigned long index,
uint64_t *msr);
virHostCPUTscInfoPtr virHostCPUGetTscInfo(void);