mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-10-05 05:45:46 +00:00
d277d61420
That function tries its best to create a bitmap of host NUMA nodes. Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/*
|
|
* 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 vcups,
|
|
unsigned long long balloon);
|
|
|
|
int virNumaSetupMemoryPolicy(virDomainNumatuneMemMode mode,
|
|
virBitmapPtr nodeset);
|
|
|
|
virBitmapPtr virNumaGetHostNodeset(void);
|
|
bool virNumaNodesetIsAvailable(virBitmapPtr nodeset);
|
|
bool virNumaIsAvailable(void);
|
|
int virNumaGetMaxNode(void);
|
|
bool virNumaNodeIsAvailable(int node);
|
|
int virNumaGetDistances(int node,
|
|
int **distances,
|
|
int *ndistances);
|
|
int virNumaGetNodeMemory(int node,
|
|
unsigned long long *memsize,
|
|
unsigned long long *memfree);
|
|
|
|
unsigned int virNumaGetMaxCPUs(void);
|
|
|
|
int virNumaGetNodeCPUs(int node, virBitmapPtr *cpus);
|
|
|
|
int virNumaGetPageInfo(int node,
|
|
unsigned int page_size,
|
|
unsigned long long huge_page_sum,
|
|
unsigned int *page_avail,
|
|
unsigned int *page_free);
|
|
int virNumaGetPages(int node,
|
|
unsigned int **pages_size,
|
|
unsigned int **pages_avail,
|
|
unsigned int **pages_free,
|
|
size_t *npages)
|
|
ATTRIBUTE_NONNULL(5);
|
|
int virNumaSetPagePoolSize(int node,
|
|
unsigned int page_size,
|
|
unsigned long long page_count,
|
|
bool add);
|
|
#endif /* __VIR_NUMA_H__ */
|