libvirt/tests/vircapstest.c

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/*
* Copyright (C) IBM Corp 2014
*
* 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/>.
*
*/
#include <config.h>
#include <stdlib.h>
#include "testutils.h"
#include "capabilities.h"
#include "virbitmap.h"
#define VIR_FROM_THIS VIR_FROM_NONE
#define MAX_CELLS 4
#define MAX_CPUS_IN_CELL 2
#define MAX_MEM_IN_CELL 2097152
/*
* Build NUMA Toplogy with cell id starting from (0 + seq)
* for testing
*/
static virCapsPtr
buildNUMATopology(int seq)
{
virCapsPtr caps;
virCapsHostNUMACellCPUPtr cell_cpus = NULL;
int core_id, cell_id;
int id;
if ((caps = virCapabilitiesNew(VIR_ARCH_X86_64, 0, 0)) == NULL)
goto error;
id = 0;
for (cell_id = 0; cell_id < MAX_CELLS; cell_id++) {
if (VIR_ALLOC_N(cell_cpus, MAX_CPUS_IN_CELL) < 0)
goto error;
for (core_id = 0; core_id < MAX_CPUS_IN_CELL; core_id++) {
cell_cpus[core_id].id = id + core_id;
cell_cpus[core_id].socket_id = cell_id + seq;
cell_cpus[core_id].core_id = id + core_id;
if (!(cell_cpus[core_id].siblings =
virBitmapNew(MAX_CPUS_IN_CELL)))
goto error;
ignore_value(virBitmapSetBit(cell_cpus[core_id].siblings, id));
}
id++;
if (virCapabilitiesAddHostNUMACell(caps, cell_id + seq,
MAX_CPUS_IN_CELL,
MAX_MEM_IN_CELL,
cell_cpus) < 0)
goto error;
cell_cpus = NULL;
}
return caps;
error:
virCapabilitiesClearHostNUMACellCPUTopology(cell_cpus, MAX_CPUS_IN_CELL);
VIR_FREE(cell_cpus);
virObjectUnref(caps);
return NULL;
}
static int
test_virCapabilitiesGetCpusForNodemask(const void *data ATTRIBUTE_UNUSED)
{
const char *nodestr = "3,4,5,6";
virBitmapPtr nodemask = NULL;
virBitmapPtr cpumap = NULL;
virCapsPtr caps = NULL;
int mask_size = 8;
int ret = -1;
/*
* Build a NUMA topology with cell_id (NUMA node id
* being 3(0 + 3),4(1 + 3), 5 and 6
*/
if (!(caps = buildNUMATopology(3)))
goto error;
if (virBitmapParse(nodestr, 0, &nodemask, mask_size) < 0)
goto error;
if (!(cpumap = virCapabilitiesGetCpusForNodemask(caps, nodemask)))
goto error;
ret = 0;
error:
virObjectUnref(caps);
virBitmapFree(nodemask);
virBitmapFree(cpumap);
return ret;
}
static int
mymain(void)
{
int ret = 0;
if (virtTestRun("virCapabilitiesGetCpusForNodemask",
test_virCapabilitiesGetCpusForNodemask, NULL) < 0)
ret = -1;
return ret;
}
VIRT_TEST_MAIN(mymain)