libvirt/src/util/virnuma.h

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/*
* virnuma.h: helper APIs for managing numa
*
* Copyright (C) 2011-2014 Red Hat, Inc.
*
* 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/>.
*
*/
#ifndef __VIR_NUMA_H__
# define __VIR_NUMA_H__
# include "internal.h"
# include "virbitmap.h"
# include "virutil.h"
char *virNumaGetAutoPlacementAdvice(unsigned short vcpus,
unsigned long long balloon);
int virNumaSetupMemoryPolicy(virDomainNumatuneMemMode mode,
virBitmapPtr nodeset);
virBitmapPtr virNumaGetHostMemoryNodeset(void);
bool virNumaNodesetIsAvailable(virBitmapPtr nodeset) ATTRIBUTE_NOINLINE;
bool virNumaIsAvailable(void) ATTRIBUTE_NOINLINE;
int virNumaGetMaxNode(void) ATTRIBUTE_NOINLINE;
bool virNumaNodeIsAvailable(int node) ATTRIBUTE_NOINLINE;
int virNumaGetDistances(int node,
int **distances,
int *ndistances) ATTRIBUTE_NOINLINE;
int virNumaGetNodeMemory(int node,
unsigned long long *memsize,
unsigned long long *memfree) ATTRIBUTE_NOINLINE;
unsigned int virNumaGetMaxCPUs(void);
int virNumaGetNodeCPUs(int node, virBitmapPtr *cpus) ATTRIBUTE_NOINLINE;
int virNumaGetPageInfo(int node,
unsigned int page_size,
unsigned long long huge_page_sum,
unsigned long long *page_avail,
unsigned long long *page_free);
int virNumaGetPages(int node,
unsigned int **pages_size,
unsigned long long **pages_avail,
unsigned long long **pages_free,
size_t *npages)
ATTRIBUTE_NONNULL(5) ATTRIBUTE_NOINLINE;
int virNumaSetPagePoolSize(int node,
unsigned int page_size,
unsigned long long page_count,
bool add);
#endif /* __VIR_NUMA_H__ */