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libvirt/tests/qemumemlocktest.c
Andrea Bolognani d3fe9cc0f0 tests: Set the QEMU driver as privileged in common code
Most test programs were already doing this, and moving it to
the common code ensures we see consistent behavior across all
QEMU tests.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
2023-03-06 14:35:35 +01:00

144 lines
3.7 KiB
C

#include <config.h>
#include <unistd.h>
#include <sys/types.h>
#include <fcntl.h>
#include "testutils.h"
#ifdef WITH_QEMU
# include "internal.h"
# include "conf/domain_conf.h"
# include "qemu/qemu_domain.h"
# include "testutilsqemu.h"
# define VIR_FROM_THIS VIR_FROM_QEMU
static virQEMUDriver driver;
struct testInfo {
const char *name;
unsigned long long memlock;
};
static int
testCompareMemLock(const void *data)
{
const struct testInfo *info = data;
g_autoptr(virDomainDef) def = NULL;
g_autofree char *xml = NULL;
xml = g_strdup_printf("%s/qemumemlockdata/qemumemlock-%s.xml", abs_srcdir,
info->name);
if (!(def = virDomainDefParseFile(xml, driver.xmlopt, NULL,
VIR_DOMAIN_DEF_PARSE_INACTIVE))) {
return -1;
}
return virTestCompareToULL(info->memlock, qemuDomainGetMemLockLimitBytes(def, false));
}
static int
mymain(void)
{
int ret = 0;
g_autoptr(virQEMUCaps) qemuCaps = NULL;
if (qemuTestDriverInit(&driver) < 0)
return EXIT_FAILURE;
# define DO_TEST(name, memlock) \
do { \
static struct testInfo info = { \
name, memlock \
}; \
if (virTestRun("QEMU MEMLOCK " name, testCompareMemLock, &info) < 0) \
ret = -1; \
} while (0)
/* The tests below make sure that the memory locking limit is being
* calculated correctly in a number of situations. Each test is
* performed both on x86_64/pc and ppc64/pseries in order to account
* for some architecture-specific details.
*
* kvm: simple KMV guest
* tcg: simple TCG guest
*
* hardlimit: guest where <memtune><hard_limit> has been configured
* locked: guest where <memoryBacking><locked> has been enabled
* hostdev: guest that has some hostdev assigned
*
* The remaining tests cover different combinations of the above to
* ensure settings are prioritized as expected.
*/
qemuTestSetHostArch(&driver, VIR_ARCH_X86_64);
DO_TEST("pc-kvm", 0);
DO_TEST("pc-tcg", 0);
if (!(qemuCaps = virQEMUCapsNew())) {
ret = -1;
goto cleanup;
}
virQEMUCapsSet(qemuCaps, QEMU_CAPS_DEVICE_VFIO_PCI);
if (qemuTestCapsCacheInsert(driver.qemuCapsCache, qemuCaps) < 0) {
ret = -1;
goto cleanup;
};
DO_TEST("pc-hardlimit", 2147483648);
DO_TEST("pc-locked", VIR_DOMAIN_MEMORY_PARAM_UNLIMITED);
DO_TEST("pc-hostdev", 2147483648);
DO_TEST("pc-hardlimit+locked", 2147483648);
DO_TEST("pc-hardlimit+hostdev", 2147483648);
DO_TEST("pc-hardlimit+locked+hostdev", 2147483648);
DO_TEST("pc-locked+hostdev", VIR_DOMAIN_MEMORY_PARAM_UNLIMITED);
qemuTestSetHostArch(&driver, VIR_ARCH_PPC64);
virQEMUCapsSet(qemuCaps, QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE);
if (qemuTestCapsCacheInsert(driver.qemuCapsCache, qemuCaps) < 0) {
ret = -1;
goto cleanup;
};
DO_TEST("pseries-kvm", 20971520);
DO_TEST("pseries-tcg", 0);
DO_TEST("pseries-hardlimit", 2147483648);
DO_TEST("pseries-locked", VIR_DOMAIN_MEMORY_PARAM_UNLIMITED);
DO_TEST("pseries-hostdev", 4320133120);
DO_TEST("pseries-hardlimit+locked", 2147483648);
DO_TEST("pseries-hardlimit+hostdev", 2147483648);
DO_TEST("pseries-hardlimit+locked+hostdev", 2147483648);
DO_TEST("pseries-locked+hostdev", VIR_DOMAIN_MEMORY_PARAM_UNLIMITED);
cleanup:
qemuTestDriverFree(&driver);
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIR_TEST_MAIN_PRELOAD(mymain,
VIR_TEST_MOCK("virpci"),
VIR_TEST_MOCK("domaincaps"))
#else
int
main(void)
{
return EXIT_AM_SKIP;
}
#endif /* WITH_QEMU */