mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-07-11 12:25:52 +00:00
b84b6ab502
All the pieces are now in place, so we can finally start using isolation groups to achieve our initial goal, which is separating hostdevs from emulated PCI devices while keeping hostdevs that belong to the same host IOMMU group together. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1280542 Signed-off-by: Andrea Bolognani <abologna@redhat.com> Reviewed-by: Laine Stump <laine@laine.org>
162 lines
4.0 KiB
C
162 lines
4.0 KiB
C
#include <config.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
|
|
#include <sys/types.h>
|
|
#include <fcntl.h>
|
|
|
|
#include "testutils.h"
|
|
|
|
#ifdef WITH_QEMU
|
|
|
|
# include "datatypes.h"
|
|
# include "internal.h"
|
|
# include "virstring.h"
|
|
# include "conf/domain_conf.h"
|
|
# include "qemu/qemu_domain.h"
|
|
|
|
# include "testutilsqemu.h"
|
|
|
|
# define VIR_FROM_THIS VIR_FROM_QEMU
|
|
|
|
static const char *abs_top_srcdir;
|
|
static virQEMUDriver driver;
|
|
|
|
struct testInfo {
|
|
const char *name;
|
|
unsigned long long memlock;
|
|
};
|
|
|
|
static int
|
|
testCompareMemLock(const void *data)
|
|
{
|
|
const struct testInfo *info = data;
|
|
virDomainDefPtr def = NULL;
|
|
char *xml = NULL;
|
|
int ret = -1;
|
|
|
|
if (virAsprintf(&xml, "%s/qemumemlockdata/qemumemlock-%s.xml",
|
|
abs_srcdir, info->name) < 0)
|
|
goto cleanup;
|
|
|
|
if (!(def = virDomainDefParseFile(xml, driver.caps, driver.xmlopt, NULL,
|
|
VIR_DOMAIN_DEF_PARSE_INACTIVE))) {
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = virTestCompareToULL(info->memlock, qemuDomainGetMemLockLimitBytes(def));
|
|
|
|
cleanup:
|
|
virObjectUnref(def);
|
|
VIR_FREE(xml);
|
|
|
|
return ret;
|
|
}
|
|
|
|
# define FAKEROOTDIRTEMPLATE abs_builddir "/fakerootdir-XXXXXX"
|
|
|
|
static int
|
|
mymain(void)
|
|
{
|
|
int ret = 0;
|
|
char *fakerootdir;
|
|
|
|
if (VIR_STRDUP_QUIET(fakerootdir, FAKEROOTDIRTEMPLATE) < 0) {
|
|
fprintf(stderr, "Out of memory\n");
|
|
abort();
|
|
}
|
|
|
|
if (!mkdtemp(fakerootdir)) {
|
|
fprintf(stderr, "Cannot create fakerootdir");
|
|
abort();
|
|
}
|
|
|
|
setenv("LIBVIRT_FAKE_ROOT_DIR", fakerootdir, 1);
|
|
|
|
abs_top_srcdir = getenv("abs_top_srcdir");
|
|
if (!abs_top_srcdir)
|
|
abs_top_srcdir = abs_srcdir "/..";
|
|
|
|
if (qemuTestDriverInit(&driver) < 0)
|
|
return EXIT_FAILURE;
|
|
|
|
driver.privileged = true;
|
|
|
|
# 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.caps, VIR_ARCH_X86_64);
|
|
|
|
DO_TEST("pc-kvm", 0);
|
|
DO_TEST("pc-tcg", 0);
|
|
|
|
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.caps, VIR_ARCH_PPC64);
|
|
|
|
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);
|
|
|
|
if (getenv("LIBVIRT_SKIP_CLEANUP") == NULL)
|
|
virFileDeleteTree(fakerootdir);
|
|
|
|
qemuTestDriverFree(&driver);
|
|
VIR_FREE(fakerootdir);
|
|
|
|
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
|
|
}
|
|
|
|
VIR_TEST_MAIN_PRELOAD(mymain,
|
|
abs_builddir "/.libs/virpcimock.so")
|
|
|
|
#else
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
return EXIT_AM_SKIP;
|
|
}
|
|
|
|
#endif /* WITH_QEMU */
|