libvirt/tests/vircaps2xmltest.c

164 lines
4.7 KiB
C

/*
* Copyright (C) Red Hat, Inc. 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/>.
*
* Authors:
* Michal Privoznik <mprivozn@redhat.com>
*/
#include <config.h>
#include <stdlib.h>
#include "testutils.h"
#include "capabilities.h"
#include "virbitmap.h"
#define VIR_FROM_THIS VIR_FROM_NONE
static virCapsPtr
buildVirCapabilities(int max_cells,
int max_cpus_in_cell,
int max_mem_in_cell)
{
virCapsPtr caps;
virCapsHostNUMACellCPUPtr cell_cpus = NULL;
virCapsHostNUMACellSiblingInfoPtr siblings = NULL;
int core_id, cell_id, nsiblings;
int id;
size_t i;
if ((caps = virCapabilitiesNew(VIR_ARCH_X86_64, false, false)) == 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;
cell_cpus[core_id].socket_id = cell_id;
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 (VIR_ALLOC_N(siblings, max_cells) < 0)
goto error;
nsiblings = max_cells;
for (i = 0; i < nsiblings; i++) {
siblings[i].node = i;
/* Some magical constants, see virNumaGetDistances()
* for their description. */
siblings[i].distance = cell_id == i ? 10 : 20;
}
if (virCapabilitiesAddHostNUMACell(caps, cell_id,
max_mem_in_cell,
max_cpus_in_cell, cell_cpus,
nsiblings, siblings,
0, NULL) < 0)
goto error;
cell_cpus = NULL;
siblings = NULL;
}
return caps;
error:
virCapabilitiesClearHostNUMACellCPUTopology(cell_cpus, max_cpus_in_cell);
VIR_FREE(cell_cpus);
VIR_FREE(siblings);
virObjectUnref(caps);
return NULL;
}
struct virCapabilitiesFormatData {
const char *filename;
int max_cells;
int max_cpus_in_cell;
int max_mem_in_cell;
};
static int
test_virCapabilitiesFormat(const void *opaque)
{
struct virCapabilitiesFormatData *data = (struct virCapabilitiesFormatData *) opaque;
virCapsPtr caps = NULL;
char *capsXML = NULL;
char *capsFromFile = NULL;
char *path = NULL;
int ret = -1;
if (!(caps = buildVirCapabilities(data->max_cells, data->max_cpus_in_cell,
data->max_mem_in_cell)))
goto cleanup;
if (!(capsXML = virCapabilitiesFormatXML(caps)))
goto cleanup;
if (virAsprintf(&path, "%s/vircaps2xmldata/vircaps-%s.xml",
abs_srcdir, data->filename) < 0)
goto cleanup;
if (virFileReadAll(path, 8192, &capsFromFile) < 0)
goto cleanup;
if (STRNEQ(capsXML, capsFromFile)) {
virtTestDifference(stderr, capsFromFile, capsXML);
goto cleanup;
}
ret = 0;
cleanup:
VIR_FREE(path);
VIR_FREE(capsFromFile);
VIR_FREE(capsXML);
virObjectUnref(caps);
return ret;
}
static int
mymain(void)
{
int ret = 0;
#define DO_TEST(filename, max_cells, \
max_cpus_in_cell, max_mem_in_cell) \
do { \
struct virCapabilitiesFormatData data = {filename, max_cells, \
max_cpus_in_cell, \
max_mem_in_cell}; \
if (virtTestRun(filename, test_virCapabilitiesFormat, &data) < 0) \
ret = -1; \
} while (0)
DO_TEST("basic-4-4-2G", 4, 4, 2*1024*1024);
return ret;
}
VIRT_TEST_MAIN(mymain)