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libvirt/tests/testutilsqemu.c
Jiri Denemark d8313d3cf2 tests: Properly reset mocked CPU model 
When switching the host architecture to something for which we do not
have any host CPU model defined, the mocked
virQEMUCapsProbeHostCPUForEmulator would just return the previous CPU
model resulting in strange combinations, such as "core2duo" host CPU
model in QEMU capabilities for "AArch64" architecture. It currently
doesn't break any test case, but we should fix it anyway to avoid future
surprises which would be quite hard to debug.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
2018-09-04 10:40:34 +02:00

834 lines
23 KiB
C
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#include <config.h>
#ifdef WITH_QEMU
# include <stdlib.h>
# include "testutilsqemu.h"
# include "testutilshostcpus.h"
# include "testutils.h"
# include "viralloc.h"
# include "cpu_conf.h"
# include "qemu/qemu_driver.h"
# include "qemu/qemu_domain.h"
# define __QEMU_CAPSPRIV_H_ALLOW__
# include "qemu/qemu_capspriv.h"
# include "virstring.h"
# include "virfilecache.h"
# define VIR_FROM_THIS VIR_FROM_QEMU
virCPUDefPtr cpuDefault;
virCPUDefPtr cpuHaswell;
virCPUDefPtr cpuPower8;
virCPUDefPtr cpuPower9;
typedef enum {
TEST_UTILS_QEMU_BIN_I686,
TEST_UTILS_QEMU_BIN_X86_64,
TEST_UTILS_QEMU_BIN_AARCH64,
TEST_UTILS_QEMU_BIN_ARM,
TEST_UTILS_QEMU_BIN_PPC64,
TEST_UTILS_QEMU_BIN_PPC,
TEST_UTILS_QEMU_BIN_RISCV32,
TEST_UTILS_QEMU_BIN_RISCV64,
TEST_UTILS_QEMU_BIN_S390X
} QEMUBinType;
static const char *QEMUBinList[] = {
"/usr/bin/qemu-system-i686",
"/usr/bin/qemu-system-x86_64",
"/usr/bin/qemu-system-aarch64",
"/usr/bin/qemu-system-arm",
"/usr/bin/qemu-system-ppc64",
"/usr/bin/qemu-system-ppc",
"/usr/bin/qemu-system-riscv32",
"/usr/bin/qemu-system-riscv64",
"/usr/bin/qemu-system-s390x"
};
static virCapsGuestMachinePtr *testQemuAllocMachines(int *nmachines)
{
virCapsGuestMachinePtr *machines;
static const char *const x86_machines[] = {
"pc", "isapc"
};
machines = virCapabilitiesAllocMachines(x86_machines,
ARRAY_CARDINALITY(x86_machines));
if (machines == NULL)
return NULL;
*nmachines = ARRAY_CARDINALITY(x86_machines);
return machines;
}
/* Newer versions of qemu have versioned machine types to allow
* compatibility with older releases.
* The 'pc' machine type is an alias of the newest machine type.
*/
static virCapsGuestMachinePtr *testQemuAllocNewerMachines(int *nmachines)
{
virCapsGuestMachinePtr *machines;
char *canonical;
static const char *const x86_machines[] = {
"pc-0.11", "pc", "pc-0.10", "isapc"
};
if (VIR_STRDUP(canonical, x86_machines[0]) < 0)
return NULL;
machines = virCapabilitiesAllocMachines(x86_machines,
ARRAY_CARDINALITY(x86_machines));
if (machines == NULL) {
VIR_FREE(canonical);
return NULL;
}
machines[1]->canonical = canonical;
*nmachines = ARRAY_CARDINALITY(x86_machines);
return machines;
}
static int
testQemuAddI686Guest(virCapsPtr caps)
{
int nmachines = 0;
virCapsGuestMachinePtr *machines = NULL;
virCapsGuestPtr guest;
if (!(machines = testQemuAllocMachines(&nmachines)))
goto error;
if (!(guest = virCapabilitiesAddGuest(caps,
VIR_DOMAIN_OSTYPE_HVM,
VIR_ARCH_I686,
QEMUBinList[TEST_UTILS_QEMU_BIN_I686],
NULL,
nmachines,
machines)))
goto error;
if (!virCapabilitiesAddGuestFeature(guest, "cpuselection", true, false))
goto error;
machines = NULL;
if (!virCapabilitiesAddGuestDomain(guest,
VIR_DOMAIN_VIRT_QEMU,
NULL,
NULL,
0,
NULL))
goto error;
if (!(machines = testQemuAllocMachines(&nmachines)))
goto error;
if (!virCapabilitiesAddGuestDomain(guest,
VIR_DOMAIN_VIRT_KVM,
QEMUBinList[TEST_UTILS_QEMU_BIN_I686],
NULL,
nmachines,
machines))
goto error;
return 0;
error:
virCapabilitiesFreeMachines(machines, nmachines);
return -1;
}
static int
testQemuAddX86_64Guest(virCapsPtr caps)
{
int nmachines = 0;
virCapsGuestMachinePtr *machines = NULL;
virCapsGuestPtr guest;
if (!(machines = testQemuAllocNewerMachines(&nmachines)))
goto error;
if (!(guest = virCapabilitiesAddGuest(caps,
VIR_DOMAIN_OSTYPE_HVM,
VIR_ARCH_X86_64,
QEMUBinList[TEST_UTILS_QEMU_BIN_X86_64],
NULL,
nmachines,
machines)))
goto error;
if (!virCapabilitiesAddGuestFeature(guest, "cpuselection", true, false))
goto error;
machines = NULL;
if (!virCapabilitiesAddGuestDomain(guest,
VIR_DOMAIN_VIRT_QEMU,
NULL,
NULL,
0,
NULL))
goto error;
if (!(machines = testQemuAllocMachines(&nmachines)))
goto error;
if (!virCapabilitiesAddGuestDomain(guest,
VIR_DOMAIN_VIRT_KVM,
QEMUBinList[TEST_UTILS_QEMU_BIN_X86_64],
NULL,
nmachines,
machines))
goto error;
machines = NULL;
if (!virCapabilitiesAddGuestDomain(guest,
VIR_DOMAIN_VIRT_KVM,
QEMUBinList[TEST_UTILS_QEMU_BIN_X86_64],
NULL,
0,
NULL))
goto error;
return 0;
error:
virCapabilitiesFreeMachines(machines, nmachines);
return -1;
}
static int testQemuAddPPC64Guest(virCapsPtr caps)
{
static const char *machine[] = { "pseries" };
virCapsGuestMachinePtr *machines = NULL;
virCapsGuestPtr guest;
machines = virCapabilitiesAllocMachines(machine, 1);
if (!machines)
goto error;
guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_PPC64,
QEMUBinList[TEST_UTILS_QEMU_BIN_PPC64],
NULL, 1, machines);
if (!guest)
goto error;
if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_QEMU, NULL, NULL, 0, NULL))
goto error;
if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_KVM,
NULL, NULL, 0, NULL))
goto error;
return 0;
error:
/* No way to free a guest? */
virCapabilitiesFreeMachines(machines, 1);
return -1;
}
static int testQemuAddPPC64LEGuest(virCapsPtr caps)
{
static const char *machine[] = { "pseries" };
virCapsGuestMachinePtr *machines = NULL;
virCapsGuestPtr guest;
machines = virCapabilitiesAllocMachines(machine, 1);
if (!machines)
goto error;
guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_PPC64LE,
QEMUBinList[TEST_UTILS_QEMU_BIN_PPC64],
NULL, 1, machines);
if (!guest)
goto error;
if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_QEMU, NULL, NULL, 0, NULL))
goto error;
if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_KVM,
NULL, NULL, 0, NULL))
goto error;
return 0;
error:
/* No way to free a guest? */
virCapabilitiesFreeMachines(machines, 1);
return -1;
}
static int testQemuAddPPCGuest(virCapsPtr caps)
{
static const char *machine[] = { "g3beige",
"mac99",
"prep",
"ppce500" };
virCapsGuestMachinePtr *machines = NULL;
virCapsGuestPtr guest;
machines = virCapabilitiesAllocMachines(machine, 1);
if (!machines)
goto error;
guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_PPC,
QEMUBinList[TEST_UTILS_QEMU_BIN_PPC],
NULL, 1, machines);
if (!guest)
goto error;
if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_QEMU, NULL, NULL, 0, NULL))
goto error;
if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_KVM,
NULL, NULL, 0, NULL))
goto error;
return 0;
error:
/* No way to free a guest? */
virCapabilitiesFreeMachines(machines, 1);
return -1;
}
static int testQemuAddRISCV32Guest(virCapsPtr caps)
{
static const char *names[] = { "spike_v1.10",
"spike_v1.9.1",
"sifive_e",
"virt",
"sifive_u" };
static const int nmachines = ARRAY_CARDINALITY(names);
virCapsGuestMachinePtr *machines = NULL;
virCapsGuestPtr guest;
machines = virCapabilitiesAllocMachines(names, nmachines);
if (!machines)
goto error;
guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_RISCV32,
QEMUBinList[TEST_UTILS_QEMU_BIN_RISCV32],
NULL, nmachines, machines);
if (!guest)
goto error;
if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_QEMU, NULL, NULL, 0, NULL))
goto error;
return 0;
error:
virCapabilitiesFreeMachines(machines, nmachines);
return -1;
}
static int testQemuAddRISCV64Guest(virCapsPtr caps)
{
static const char *names[] = { "spike_v1.10",
"spike_v1.9.1",
"sifive_e",
"virt",
"sifive_u" };
static const int nmachines = ARRAY_CARDINALITY(names);
virCapsGuestMachinePtr *machines = NULL;
virCapsGuestPtr guest;
machines = virCapabilitiesAllocMachines(names, nmachines);
if (!machines)
goto error;
guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_RISCV64,
QEMUBinList[TEST_UTILS_QEMU_BIN_RISCV64],
NULL, nmachines, machines);
if (!guest)
goto error;
if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_QEMU, NULL, NULL, 0, NULL))
goto error;
return 0;
error:
virCapabilitiesFreeMachines(machines, nmachines);
return -1;
}
static int testQemuAddS390Guest(virCapsPtr caps)
{
static const char *s390_machines[] = { "s390-virtio",
"s390-ccw-virtio" };
virCapsGuestMachinePtr *machines = NULL;
virCapsGuestPtr guest;
machines = virCapabilitiesAllocMachines(s390_machines,
ARRAY_CARDINALITY(s390_machines));
if (!machines)
goto error;
guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_S390X,
QEMUBinList[TEST_UTILS_QEMU_BIN_S390X],
NULL,
ARRAY_CARDINALITY(s390_machines),
machines);
if (!guest)
goto error;
if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_QEMU, NULL, NULL, 0, NULL))
goto error;
if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_KVM,
NULL, NULL, 0, NULL))
goto error;
return 0;
error:
virCapabilitiesFreeMachines(machines, ARRAY_CARDINALITY(s390_machines));
return -1;
}
static int testQemuAddArmGuest(virCapsPtr caps)
{
static const char *machines[] = { "vexpress-a9",
"vexpress-a15",
"versatilepb" };
virCapsGuestMachinePtr *capsmachines = NULL;
virCapsGuestPtr guest;
capsmachines = virCapabilitiesAllocMachines(machines,
ARRAY_CARDINALITY(machines));
if (!capsmachines)
goto error;
guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_ARMV7L,
QEMUBinList[TEST_UTILS_QEMU_BIN_ARM],
NULL,
ARRAY_CARDINALITY(machines),
capsmachines);
if (!guest)
goto error;
if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_QEMU, NULL, NULL, 0, NULL))
goto error;
if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_KVM,
NULL, NULL, 0, NULL))
goto error;
return 0;
error:
virCapabilitiesFreeMachines(capsmachines, ARRAY_CARDINALITY(machines));
return -1;
}
static int testQemuAddAARCH64Guest(virCapsPtr caps)
{
static const char *machines[] = { "virt"};
virCapsGuestMachinePtr *capsmachines = NULL;
virCapsGuestPtr guest;
capsmachines = virCapabilitiesAllocMachines(machines,
ARRAY_CARDINALITY(machines));
if (!capsmachines)
goto error;
guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_AARCH64,
QEMUBinList[TEST_UTILS_QEMU_BIN_AARCH64],
NULL,
ARRAY_CARDINALITY(machines),
capsmachines);
if (!guest)
goto error;
if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_QEMU, NULL, NULL, 0, NULL))
goto error;
if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_KVM,
NULL, NULL, 0, NULL))
goto error;
return 0;
error:
virCapabilitiesFreeMachines(capsmachines, ARRAY_CARDINALITY(machines));
return -1;
}
virCapsPtr testQemuCapsInit(void)
{
virCapsPtr caps;
if (!(caps = virCapabilitiesNew(VIR_ARCH_X86_64, false, false)))
return NULL;
/* Add dummy 'none' security_driver. This is equal to setting
* security_driver = "none" in qemu.conf. */
if (VIR_ALLOC_N(caps->host.secModels, 1) < 0)
goto cleanup;
caps->host.nsecModels = 1;
if (VIR_STRDUP(caps->host.secModels[0].model, "none") < 0 ||
VIR_STRDUP(caps->host.secModels[0].doi, "0") < 0)
goto cleanup;
if (!(cpuDefault = virCPUDefCopy(&cpuDefaultData)) ||
!(cpuHaswell = virCPUDefCopy(&cpuHaswellData)) ||
!(cpuPower8 = virCPUDefCopy(&cpuPower8Data)) ||
!(cpuPower9 = virCPUDefCopy(&cpuPower9Data)))
goto cleanup;
qemuTestSetHostCPU(caps, NULL);
/*
* Build a NUMA topology with cell_id (NUMA node id
* being 3(0 + 3),4(1 + 3), 5 and 6
*/
if (virTestCapsBuildNUMATopology(caps, 3) < 0)
goto cleanup;
if (testQemuAddI686Guest(caps) < 0)
goto cleanup;
if (testQemuAddX86_64Guest(caps) < 0)
goto cleanup;
if (testQemuAddPPC64Guest(caps))
goto cleanup;
if (testQemuAddPPC64LEGuest(caps))
goto cleanup;
if (testQemuAddPPCGuest(caps))
goto cleanup;
if (testQemuAddRISCV32Guest(caps) < 0)
goto cleanup;
if (testQemuAddRISCV64Guest(caps) < 0)
goto cleanup;
if (testQemuAddS390Guest(caps))
goto cleanup;
if (testQemuAddArmGuest(caps))
goto cleanup;
if (testQemuAddAARCH64Guest(caps))
goto cleanup;
if (virTestGetDebug()) {
char *caps_str;
caps_str = virCapabilitiesFormatXML(caps);
if (!caps_str)
goto cleanup;
VIR_TEST_DEBUG("QEMU driver capabilities:\n%s", caps_str);
VIR_FREE(caps_str);
}
return caps;
cleanup:
caps->host.cpu = NULL;
virCPUDefFree(cpuDefault);
virCPUDefFree(cpuHaswell);
virCPUDefFree(cpuPower8);
virObjectUnref(caps);
return NULL;
}
void
qemuTestSetHostArch(virCapsPtr caps,
virArch arch)
{
if (arch == VIR_ARCH_NONE)
arch = VIR_ARCH_X86_64;
caps->host.arch = arch;
qemuTestSetHostCPU(caps, NULL);
}
void
qemuTestSetHostCPU(virCapsPtr caps,
virCPUDefPtr cpu)
{
virArch arch = caps->host.arch;
if (!cpu) {
if (ARCH_IS_X86(arch))
cpu = cpuDefault;
else if (ARCH_IS_PPC64(arch))
cpu = cpuPower8;
}
unsetenv("VIR_TEST_MOCK_FAKE_HOST_CPU");
if (cpu) {
caps->host.arch = cpu->arch;
if (cpu->model)
setenv("VIR_TEST_MOCK_FAKE_HOST_CPU", cpu->model, 1);
}
caps->host.cpu = cpu;
}
virQEMUCapsPtr
qemuTestParseCapabilitiesArch(virArch arch,
const char *capsFile)
{
virQEMUCapsPtr qemuCaps = NULL;
if (!(qemuCaps = virQEMUCapsNew()) ||
virQEMUCapsLoadCache(arch, qemuCaps, capsFile) < 0)
goto error;
return qemuCaps;
error:
virObjectUnref(qemuCaps);
return NULL;
}
virQEMUCapsPtr
qemuTestParseCapabilities(virCapsPtr caps,
const char *capsFile)
{
if (!caps)
return NULL;
return qemuTestParseCapabilitiesArch(caps->host.arch, capsFile);
}
void qemuTestDriverFree(virQEMUDriver *driver)
{
virMutexDestroy(&driver->lock);
if (driver->config) {
virFileDeleteTree(driver->config->stateDir);
virFileDeleteTree(driver->config->configDir);
}
virObjectUnref(driver->qemuCapsCache);
virObjectUnref(driver->xmlopt);
virObjectUnref(driver->caps);
virObjectUnref(driver->config);
virObjectUnref(driver->securityManager);
}
int qemuTestCapsCacheInsert(virFileCachePtr cache,
virQEMUCapsPtr caps)
{
size_t i;
virQEMUCapsPtr tmpCaps;
if (caps) {
tmpCaps = caps;
} else {
if (!(tmpCaps = virQEMUCapsNew()))
return -ENOMEM;
}
for (i = 0; i < ARRAY_CARDINALITY(QEMUBinList); i++) {
virObjectRef(tmpCaps);
if (virFileCacheInsertData(cache, QEMUBinList[i], tmpCaps) < 0) {
virObjectUnref(tmpCaps);
return -1;
}
}
if (!caps)
virObjectUnref(tmpCaps);
return 0;
}
# define STATEDIRTEMPLATE abs_builddir "/qemustatedir-XXXXXX"
# define CONFIGDIRTEMPLATE abs_builddir "/qemuconfigdir-XXXXXX"
int qemuTestDriverInit(virQEMUDriver *driver)
{
virSecurityManagerPtr mgr = NULL;
char statedir[] = STATEDIRTEMPLATE;
char configdir[] = CONFIGDIRTEMPLATE;
memset(driver, 0, sizeof(*driver));
if (virMutexInit(&driver->lock) < 0)
return -1;
driver->config = virQEMUDriverConfigNew(false);
if (!driver->config)
goto error;
/* Do this early so that qemuTestDriverFree() doesn't see (unlink) the real
* dirs. */
VIR_FREE(driver->config->stateDir);
VIR_FREE(driver->config->configDir);
/* Overwrite some default paths so it's consistent for tests. */
VIR_FREE(driver->config->libDir);
VIR_FREE(driver->config->channelTargetDir);
if (VIR_STRDUP(driver->config->libDir, "/tmp/lib") < 0 ||
VIR_STRDUP(driver->config->channelTargetDir, "/tmp/channel") < 0)
goto error;
if (!mkdtemp(statedir)) {
virFilePrintf(stderr, "Cannot create fake stateDir");
goto error;
}
if (VIR_STRDUP(driver->config->stateDir, statedir) < 0) {
rmdir(statedir);
goto error;
}
if (!mkdtemp(configdir)) {
virFilePrintf(stderr, "Cannot create fake configDir");
goto error;
}
if (VIR_STRDUP(driver->config->configDir, configdir) < 0) {
rmdir(configdir);
goto error;
}
driver->caps = testQemuCapsInit();
if (!driver->caps)
goto error;
/* Using /dev/null for libDir and cacheDir automatically produces errors
* upon attempt to use any of them */
driver->qemuCapsCache = virQEMUCapsCacheNew("/dev/null", "/dev/null", 0, 0, 0);
if (!driver->qemuCapsCache)
goto error;
driver->xmlopt = virQEMUDriverCreateXMLConf(driver);
if (!driver->xmlopt)
goto error;
if (qemuTestCapsCacheInsert(driver->qemuCapsCache, NULL) < 0)
goto error;
if (!(mgr = virSecurityManagerNew("none", "qemu",
VIR_SECURITY_MANAGER_PRIVILEGED)))
goto error;
if (!(driver->securityManager = virSecurityManagerNewStack(mgr)))
goto error;
return 0;
error:
virObjectUnref(mgr);
qemuTestDriverFree(driver);
return -1;
}
int
testQemuCapsSetGIC(virQEMUCapsPtr qemuCaps,
int gic)
{
virGICCapability *gicCapabilities = NULL;
size_t ngicCapabilities = 0;
int ret = -1;
if (VIR_ALLOC_N(gicCapabilities, 2) < 0)
goto out;
# define IMPL_BOTH \
VIR_GIC_IMPLEMENTATION_KERNEL|VIR_GIC_IMPLEMENTATION_EMULATED
if (gic & GIC_V2) {
gicCapabilities[ngicCapabilities].version = VIR_GIC_VERSION_2;
gicCapabilities[ngicCapabilities].implementation = IMPL_BOTH;
ngicCapabilities++;
}
if (gic & GIC_V3) {
gicCapabilities[ngicCapabilities].version = VIR_GIC_VERSION_3;
gicCapabilities[ngicCapabilities].implementation = IMPL_BOTH;
ngicCapabilities++;
}
# undef IMPL_BOTH
virQEMUCapsSetGICCapabilities(qemuCaps,
gicCapabilities, ngicCapabilities);
ret = 0;
out:
return ret;
}
#endif
char *
testQemuGetLatestCapsForArch(const char *dirname,
const char *arch,
const char *suffix)
{
struct dirent *ent;
DIR *dir = NULL;
int rc;
char *fullsuffix = NULL;
char *tmp = NULL;
unsigned long maxver = 0;
unsigned long ver;
const char *maxname = NULL;
char *ret = NULL;
if (virAsprintf(&fullsuffix, "%s.%s", arch, suffix) < 0)
goto cleanup;
if (virDirOpen(&dir, dirname) < 0)
goto cleanup;
while ((rc = virDirRead(dir, &ent, dirname)) > 0) {
VIR_FREE(tmp);
if ((rc = VIR_STRDUP(tmp, STRSKIP(ent->d_name, "caps_"))) < 0)
goto cleanup;
if (rc == 0)
continue;
if (virFileStripSuffix(tmp, fullsuffix) != 1)
continue;
if (virParseVersionString(tmp, &ver, false) < 0) {
VIR_TEST_DEBUG("skipping caps file '%s'\n", ent->d_name);
continue;
}
if (ver > maxver) {
maxname = ent->d_name;
maxver = ver;
}
}
if (rc < 0)
goto cleanup;
if (!maxname) {
VIR_TEST_VERBOSE("failed to find capabilities for '%s' in '%s'\n",
arch, dirname);
goto cleanup;
}
ignore_value(virAsprintf(&ret, "%s/%s", dirname, maxname));
cleanup:
VIR_FREE(tmp);
VIR_FREE(fullsuffix);
virDirClose(&dir);
return ret;
}
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