| Message ID | 20211206222040.3872253-3-lvivier@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | tests/qtest: add some tests for virtio-net failover | expand |
On 06/12/2021 23.20, Laurent Vivier wrote: > Add test cases to test several error cases that must be > generated by invalid failover configuration. > > Add a combination of coldplug and hotplug test cases to be > sure the primary is correctly managed according the > presence or not of the STANDBY feature. > > Signed-off-by: Laurent Vivier <lvivier@redhat.com> > --- > tests/qtest/meson.build | 3 + > tests/qtest/virtio-net-failover.c | 690 ++++++++++++++++++++++++++++++ > 2 files changed, 693 insertions(+) > create mode 100644 tests/qtest/virtio-net-failover.c > > diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build > index c9d8458062ff..6d66bf522156 100644 > --- a/tests/qtest/meson.build > +++ b/tests/qtest/meson.build > @@ -22,6 +22,9 @@ qtests_generic = \ > (config_all_devices.has_key('CONFIG_VIRTIO_SCSI') ? ['fuzz-virtio-scsi-test'] : []) + \ > (config_all_devices.has_key('CONFIG_SB16') ? ['fuzz-sb16-test'] : []) + \ > (config_all_devices.has_key('CONFIG_SDHCI_PCI') ? ['fuzz-sdcard-test'] : []) + \ > + (config_all_devices.has_key('CONFIG_VIRTIO_NET') and \ > + config_all_devices.has_key('CONFIG_Q35') and \ > + config_all_devices.has_key('CONFIG_VIRTIO_PCI') ? ['virtio-net-failover'] : []) + \ I think you should only add this to qtests_i386 for now, since you later add a check to skip on non-x86 architectures. > [ > 'cdrom-test', > 'device-introspect-test', > diff --git a/tests/qtest/virtio-net-failover.c b/tests/qtest/virtio-net-failover.c > new file mode 100644 > index 000000000000..f8f5fbb3c7fe > --- /dev/null > +++ b/tests/qtest/virtio-net-failover.c > @@ -0,0 +1,690 @@ Please add a short header with at least a one-liner what this is all about and at least a SPDX license information here. > +#include "qemu/osdep.h" > +#include "libqos/libqtest.h" > +#include "libqos/pci.h" > +#include "libqos/pci-pc.h" > +#include "qapi/qmp/qdict.h" > +#include "qapi/qmp/qlist.h" > +#include "qapi/qmp/qjson.h" > +#include "libqos/malloc-pc.h" > +#include "libqos/virtio-pci.h" > +#include "hw/pci/pci.h" > + > +#define ACPI_PCIHP_ADDR_ICH9 0x0cc0 > +#define PCI_EJ_BASE 0x0008 > + > +#define BASE_MACHINE "-M q35 -nodefaults " \ > + "-device pcie-root-port,id=root0,addr=0x1,bus=pcie.0,chassis=1 " \ > + "-device pcie-root-port,id=root1,addr=0x2,bus=pcie.0,chassis=2 " > + > +#define MAC_PRIMARY0 "52:54:00:11:11:11" > +#define MAC_STANDBY0 "52:54:00:22:22:22" > + > +static QGuestAllocator guest_malloc; > +static QPCIBus *pcibus; > + > +static QTestState *machine_start(const char *args, int numbus) > +{ > + QTestState *qts; > + QPCIDevice *dev; > + int i; Nit: Use a more descriptive name instead of "i" - like "bus"? > + qts = qtest_init(args); > + > + pc_alloc_init(&guest_malloc, qts, 0); > + pcibus = qpci_new_pc(qts, &guest_malloc); > + g_assert(qpci_secondary_buses_init(pcibus) == numbus); > + > + for (i = 0; i < numbus; i++) { > + dev = qpci_device_find(pcibus, QPCI_DEVFN(i + 1, 0)); > + g_assert_nonnull(dev); > + > + qpci_device_enable(dev); > + qpci_iomap(dev, 4, NULL); > + > + g_free(dev); > + } > + > + return qts; > +} > + > +static void machine_stop(QTestState *qts) > +{ > + qpci_free_pc(pcibus); > + alloc_destroy(&guest_malloc); > + qtest_quit(qts); > +} > + > +static void test_error_id(void) > +{ > + QTestState *qts; > + QDict *resp; > + QDict *err; > + > + qts = machine_start(BASE_MACHINE > + "-device virtio-net,bus=root0,id=standby0,failover=on", > + 2); > + > + resp = qtest_qmp(qts, "{'execute': 'device_add'," > + "'arguments': {" > + "'driver': 'virtio-net'," > + "'bus': 'root1'," > + "'failover_pair_id': 'standby0'" > + "} }"); > + g_assert(qdict_haskey(resp, "error")); > + > + err = qdict_get_qdict(resp, "error"); > + g_assert(qdict_haskey(err, "desc")); > + > + g_assert_cmpstr(qdict_get_str(err, "desc"), ==, > + "Device with failover_pair_id needs to have id"); > + > + qobject_unref(resp); > + > + machine_stop(qts); > +} > + > +static void test_error_pcie(void) > +{ > + QTestState *qts; > + QDict *resp; > + QDict *err; > + > + qts = machine_start(BASE_MACHINE > + "-device virtio-net,bus=root0,id=standby0,failover=on", > + 2); > + > + resp = qtest_qmp(qts, "{'execute': 'device_add'," > + "'arguments': {" > + "'driver': 'virtio-net'," > + "'id': 'primary0'," > + "'bus': 'pcie.0'," > + "'failover_pair_id': 'standby0'" > + "} }"); > + g_assert(qdict_haskey(resp, "error")); > + > + err = qdict_get_qdict(resp, "error"); > + g_assert(qdict_haskey(err, "desc")); > + > + g_assert_cmpstr(qdict_get_str(err, "desc"), ==, > + "Bus 'pcie.0' does not support hotplugging"); > + > + qobject_unref(resp); > + > + machine_stop(qts); > +} > + > +static QDict *find_device(QDict *bus, const char *name) > +{ > + const QObject *obj; > + QList *devices; > + QList *list; > + > + devices = qdict_get_qlist(bus, "devices"); > + if (devices == NULL) { > + return NULL; > + } > + > + list = qlist_copy(devices); > + while ((obj = qlist_pop(list))) { > + QDict *device; > + > + device = qobject_to(QDict, obj); > + > + if (qdict_haskey(device, "pci_bridge")) { > + QDict *bridge; > + QDict *bridge_device; > + > + bridge = qdict_get_qdict(device, "pci_bridge"); > + > + if (qdict_haskey(bridge, "devices")) { > + bridge_device = find_device(bridge, name); > + if (bridge_device) { > + qobject_unref(list); > + return bridge_device; > + } > + } > + } > + > + if (!qdict_haskey(device, "qdev_id")) { > + continue; > + } > + > + if (strcmp(qdict_get_str(device, "qdev_id"), name) == 0) { > + qobject_ref(device); > + qobject_unref(list); > + return device; > + } > + } > + qobject_unref(list); > + > + return NULL; > +} > + > +static QDict *get_bus(QTestState *qts, int num) > +{ > + QObject *obj; > + QDict *resp; > + QList *ret; > + > + resp = qtest_qmp(qts, "{ 'execute': 'query-pci' }"); > + g_assert(qdict_haskey(resp, "return")); > + > + ret = qdict_get_qlist(resp, "return"); > + g_assert_nonnull(ret); > + > + while ((obj = qlist_pop(ret))) { > + QDict *bus; > + > + bus = qobject_to(QDict, obj); > + if (!qdict_haskey(bus, "bus")) { > + continue; > + } > + if (qdict_get_int(bus, "bus") == num) { > + qobject_ref(bus); > + qobject_unref(resp); > + return bus; > + } > + } > + qobject_unref(resp); > + > + return NULL; > +} > + > +static char *get_mac(QTestState *qts, const char *name) > +{ > + QDict *resp; > + char *mac; > + > + resp = qtest_qmp(qts, "{ 'execute': 'qom-get', " > + "'arguments': { " > + "'path': %s, " > + "'property': 'mac' } }", name); > + > + g_assert(qdict_haskey(resp, "return")); > + > + mac = g_strdup( qdict_get_str(resp, "return")); > + > + qobject_unref(resp); > + > + return mac; > +} > + > +static void check_one_card(QTestState *qts, bool present, > + const char *id, const char *mac) > +{ > + QDict *device; > + QDict *bus; > + char *addr; > + > + bus = get_bus(qts, 0); > + device = find_device(bus, id); > + if (present) { > + char *path; > + > + g_assert_nonnull(device); > + qobject_unref(device); > + > + path = g_strdup_printf("/machine/peripheral/%s", id); > + addr = get_mac(qts, path); > + g_free(path); > + g_assert_cmpstr(mac, ==, addr); > + g_free(addr); > + } else { > + g_assert_null(device); > + } > + > + qobject_unref(bus); > +} > + > +static void test_on(void) > +{ > + QTestState *qts; > + > + qts = machine_start(BASE_MACHINE > + "-netdev user,id=hs0 " > + "-device virtio-net,bus=root0,id=standby0," > + "failover=on,netdev=hs0,mac="MAC_STANDBY0" " > + "-device virtio-net,bus=root1,id=primary0," > + "failover_pair_id=standby0,netdev=hs1,mac="MAC_PRIMARY0, > + 2); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, false, "primary0", MAC_PRIMARY0); > + > + machine_stop(qts); > +} > + > +static void test_on_mismatch(void) > +{ > + QTestState *qts; > + > + qts = machine_start(BASE_MACHINE > + "-netdev user,id=hs0 " > + "-device virtio-net,bus=root0,id=standby0," > + "failover=on,netdev=hs0,mac="MAC_STANDBY0" " > + "-netdev user,id=hs1 " > + "-device virtio-net,bus=root1,id=primary0," > + "failover_pair_id=standby1,netdev=hs1,mac="MAC_PRIMARY0, > + 2); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, true, "primary0", MAC_PRIMARY0); > + > + machine_stop(qts); > +} > + > +static void test_off(void) > +{ > + QTestState *qts; > + > + qts = machine_start(BASE_MACHINE > + "-netdev user,id=hs0 " > + "-device virtio-net,bus=root0,id=standby0," > + "failover=off,netdev=hs0,mac="MAC_STANDBY0" " > + "-netdev user,id=hs1 " > + "-device virtio-net,bus=root1,id=primary0," > + "failover_pair_id=standby0,netdev=hs1,mac="MAC_PRIMARY0, > + 2); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, true, "primary0", MAC_PRIMARY0); > + > + machine_stop(qts); > +} > + > +static void start_virtio_net(QTestState *qts, int bus, int slot, > + const char *id) > +{ > + QVirtioPCIDevice *dev; > + uint64_t features; > + QPCIAddress addr; > + QDict *resp; > + QDict *data; > + > + addr.devfn = QPCI_DEVFN((bus << 5) + slot, 0); > + dev = virtio_pci_new(pcibus, &addr); > + g_assert_nonnull(dev); > + qvirtio_pci_device_enable(dev); > + qvirtio_start_device(&dev->vdev); > + features = qvirtio_get_features(&dev->vdev); > + features = features & ~(QVIRTIO_F_BAD_FEATURE | > + (1ull << VIRTIO_RING_F_INDIRECT_DESC) | > + (1ull << VIRTIO_RING_F_EVENT_IDX)); > + qvirtio_set_features(&dev->vdev, features); > + qvirtio_set_driver_ok(&dev->vdev); > + > + resp = qtest_qmp_eventwait_ref(qts, "FAILOVER_NEGOTIATED"); > + g_assert(qdict_haskey(resp, "data")); > + > + data = qdict_get_qdict(resp, "data"); > + g_assert(qdict_haskey(data, "device-id")); > + g_assert_cmpstr(qdict_get_str(data, "device-id"), ==, id); > + > + qobject_unref(resp); > +} > + > +static void test_enabled(void) > +{ > + QTestState *qts; > + > + qts = machine_start(BASE_MACHINE > + "-netdev user,id=hs0 " > + "-device virtio-net,bus=root0,id=standby0," > + "failover=on,netdev=hs0,mac="MAC_STANDBY0" " > + "-netdev user,id=hs1 " > + "-device virtio-net,bus=root1,id=primary0," > + "failover_pair_id=standby0,netdev=hs1,mac="MAC_PRIMARY0" ", > + 2); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, false, "primary0", MAC_PRIMARY0); > + > + start_virtio_net(qts, 1, 0, "standby0"); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, true, "primary0", MAC_PRIMARY0); > + > + machine_stop(qts); > +} > + > +static void test_hotplug_1(void) > +{ > + QTestState *qts; > + > + qts = machine_start(BASE_MACHINE > + "-netdev user,id=hs0 " > + "-device virtio-net,bus=root0,id=standby0," > + "failover=on,netdev=hs0,mac="MAC_STANDBY0" " > + "-netdev user,id=hs1 ", 2); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, false, "primary0", MAC_PRIMARY0); > + > + start_virtio_net(qts, 1, 0, "standby0"); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, false, "primary0", MAC_PRIMARY0); > + > + qtest_qmp_device_add(qts, "virtio-net", "primary0", > + "{'bus': 'root1'," > + "'failover_pair_id': 'standby0'," > + "'netdev': 'hs1'," > + "'mac': '"MAC_PRIMARY0"'}"); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, true, "primary0", MAC_PRIMARY0); > + > + machine_stop(qts); > +} > + > +static void test_hotplug_1_reverse(void) > +{ > + QTestState *qts; > + > + qts = machine_start(BASE_MACHINE > + "-netdev user,id=hs0 " > + "-netdev user,id=hs1 " > + "-device virtio-net,bus=root1,id=primary0," > + "failover_pair_id=standby0,netdev=hs1,mac="MAC_PRIMARY0" ", > + 2); > + > + check_one_card(qts, false, "standby0", MAC_STANDBY0); > + check_one_card(qts, true, "primary0", MAC_PRIMARY0); > + > + qtest_qmp_device_add(qts, "virtio-net", "standby0", > + "{'bus': 'root0'," > + "'failover': 'on'," > + "'netdev': 'hs0'," > + "'mac': '"MAC_STANDBY0"'}"); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, true, "primary0", MAC_PRIMARY0); > + > + start_virtio_net(qts, 1, 0, "standby0"); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, true, "primary0", MAC_PRIMARY0); > + > + machine_stop(qts); > +} > + > +static void test_hotplug_2(void) > +{ > + QTestState *qts; > + > + qts = machine_start(BASE_MACHINE > + "-netdev user,id=hs0 " > + "-netdev user,id=hs1 ", > + 2); > + > + check_one_card(qts, false, "standby0", MAC_STANDBY0); > + check_one_card(qts, false, "primary0", MAC_PRIMARY0); > + > + qtest_qmp_device_add(qts, "virtio-net", "standby0", > + "{'bus': 'root0'," > + "'failover': 'on'," > + "'netdev': 'hs0'," > + "'mac': '"MAC_STANDBY0"'}"); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, false, "primary0", MAC_PRIMARY0); > + > + start_virtio_net(qts, 1, 0, "standby0"); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, false, "primary0", MAC_PRIMARY0); > + > + qtest_qmp_device_add(qts, "virtio-net", "primary0", > + "{'bus': 'root1'," > + "'failover_pair_id': 'standby0'," > + "'netdev': 'hs1'," > + "'mac': '"MAC_PRIMARY0"'}"); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, true, "primary0", MAC_PRIMARY0); > + > + machine_stop(qts); > +} > + > +static void test_hotplug_2_reverse(void) > +{ > + QTestState *qts; > + > + qts = machine_start(BASE_MACHINE > + "-netdev user,id=hs0 " > + "-netdev user,id=hs1 ", > + 2); > + > + check_one_card(qts, false, "standby0", MAC_STANDBY0); > + check_one_card(qts, false, "primary0", MAC_PRIMARY0); > + > + qtest_qmp_device_add(qts, "virtio-net", "primary0", > + "{'bus': 'root1'," > + "'failover_pair_id': 'standby0'," > + "'netdev': 'hs1'," > + "'mac': '"MAC_PRIMARY0"'}"); > + > + check_one_card(qts, false, "standby0", MAC_STANDBY0); > + check_one_card(qts, true, "primary0", MAC_PRIMARY0); > + > + qtest_qmp_device_add(qts, "virtio-net", "standby0", > + "{'bus': 'root0'," > + "'failover': 'on'," > + "'netdev': 'hs0'," > + "'rombar': 0," > + "'romfile': ''," > + "'mac': '"MAC_STANDBY0"'}"); > + > + /* XXX: sounds like a bug */ Could you elaborate? > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, true, "primary0", MAC_PRIMARY0); > + > + start_virtio_net(qts, 1, 0, "standby0"); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, true, "primary0", MAC_PRIMARY0); > + > + machine_stop(qts); > +} > + > +static QDict *migrate_status(QTestState *qts) > +{ > + QDict *resp, *ret; > + > + resp = qtest_qmp(qts, "{ 'execute': 'query-migrate' }"); > + g_assert(qdict_haskey(resp, "return")); > + > + ret = qdict_get_qdict(resp, "return"); > + g_assert(qdict_haskey(ret, "status")); > + qobject_ref(ret); > + qobject_unref(resp); > + > + return ret; > +} > + > +static void test_migrate_out(gconstpointer opaque) > +{ > + QTestState *qts; > + QDict *resp, *args, *data, *ret; > + g_autofree gchar *uri = g_strdup_printf("exec: cat > %s", (gchar *)opaque); > + const gchar *status; > + > + qts = machine_start(BASE_MACHINE > + "-netdev user,id=hs0 " > + "-netdev user,id=hs1 ", > + 2); > + > + check_one_card(qts, false, "standby0", MAC_STANDBY0); > + check_one_card(qts, false, "primary0", MAC_PRIMARY0); > + > + qtest_qmp_device_add(qts, "virtio-net", "standby0", > + "{'bus': 'root0'," > + "'failover': 'on'," > + "'netdev': 'hs0'," > + "'mac': '"MAC_STANDBY0"'}"); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, false, "primary0", MAC_PRIMARY0); > + > + start_virtio_net(qts, 1, 0, "standby0"); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, false, "primary0", MAC_PRIMARY0); > + > + qtest_qmp_device_add(qts, "virtio-net", "primary0", > + "{'bus': 'root1'," > + "'failover_pair_id': 'standby0'," > + "'netdev': 'hs1'," > + "'rombar': 0," > + "'romfile': ''," > + "'mac': '"MAC_PRIMARY0"'}"); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, true, "primary0", MAC_PRIMARY0); > + > + args = qdict_from_jsonf_nofail("{}"); > + g_assert_nonnull(args); > + qdict_put_str(args, "uri", uri); > + > + resp = qtest_qmp(qts, "{ 'execute': 'migrate', 'arguments': %p}", args); > + g_assert(qdict_haskey(resp, "return")); > + qobject_unref(resp); > + > + /* the event is sent whan QEMU asks the OS to unplug the card */ > + resp = qtest_qmp_eventwait_ref(qts, "UNPLUG_PRIMARY"); > + g_assert(qdict_haskey(resp, "data")); > + > + data = qdict_get_qdict(resp, "data"); > + g_assert(qdict_haskey(data, "device-id")); > + g_assert_cmpstr(qdict_get_str(data, "device-id"), ==, "primary0"); > + > + qobject_unref(resp); > + > + qtest_outl(qts, ACPI_PCIHP_ADDR_ICH9 + PCI_EJ_BASE, 1); > + > + while (true) { > + ret = migrate_status(qts); > + > + status = qdict_get_str(ret, "status"); > + if (strcmp(status, "completed") == 0) { > + break; > + } > + g_assert_cmpstr(status, !=, "failed"); > + g_assert_cmpstr(status, !=, "cancelling"); > + g_assert_cmpstr(status, !=, "cancelled"); > + qobject_unref(ret); > + } > + qobject_unref(ret); > + > + qtest_qmp_eventwait(qts, "STOP"); > + > + /* > + * in fact, the card is ejected from the point of view of kernel > + * but not really from QEMU to be able to hotplug it back if > + * migration fails. So we can't check that: > + * check_one_card(qts, true, "standby0", MAC_STANDBY0); > + * check_one_card(qts, false, "primary0", MAC_PRIMARY0); > + */ > + > + machine_stop(qts); > +} > + > +static void test_migrate_in(gconstpointer opaque) > +{ > + QTestState *qts; > + QDict *resp, *args, *ret; > + g_autofree gchar *uri = g_strdup_printf("exec: cat %s", (gchar *)opaque); > + > + qts = machine_start(BASE_MACHINE > + "-netdev user,id=hs0 " > + "-netdev user,id=hs1 " > + "-incoming defer ", > + 2); > + > + check_one_card(qts, false, "standby0", MAC_STANDBY0); > + check_one_card(qts, false, "primary0", MAC_PRIMARY0); > + > + qtest_qmp_device_add(qts, "virtio-net", "standby0", > + "{'bus': 'root0'," > + "'failover': 'on'," > + "'netdev': 'hs0'," > + "'mac': '"MAC_STANDBY0"'}"); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, false, "primary0", MAC_PRIMARY0); > + > + qtest_qmp_device_add(qts, "virtio-net", "primary0", > + "{'bus': 'root1'," > + "'failover_pair_id': 'standby0'," > + "'netdev': 'hs1'," > + "'rombar': 0," > + "'romfile': ''," > + "'mac': '"MAC_PRIMARY0"'}"); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, false, "primary0", MAC_PRIMARY0); > + > + args = qdict_from_jsonf_nofail("{}"); > + g_assert_nonnull(args); > + qdict_put_str(args, "uri", uri); > + > + resp = qtest_qmp(qts, "{ 'execute': 'migrate-incoming', 'arguments': %p}", > + args); > + g_assert(qdict_haskey(resp, "return")); > + qobject_unref(resp); > + > + qtest_qmp_eventwait(qts, "MIGRATION"); > + qtest_qmp_eventwait(qts, "FAILOVER_NEGOTIATED"); > + > + check_one_card(qts, true, "standby0", MAC_STANDBY0); > + check_one_card(qts, true, "primary0", MAC_PRIMARY0); > + > + qtest_qmp_eventwait(qts, "RESUME"); > + > + ret = migrate_status(qts); > + g_assert_cmpstr(qdict_get_str(ret, "status"), ==, "completed"); > + qobject_unref(ret); > + > + machine_stop(qts); > +} > + > +int main(int argc, char **argv) > +{ > + gchar *tmpfile = g_strdup_printf("/tmp/failover_test_migrate-%u-%u", > + getpid(), g_test_rand_int()); Could you please use g_get_tmp_dir() instead of hard-coding /tmp? > + const char *arch; > + int ret; > + > + g_test_init(&argc, &argv, NULL); > + > + arch = qtest_get_arch(); > + if (strcmp(arch, "i386") && strcmp(arch, "x86_64")) { > + g_test_message("Skipping test for non-x86"); > + return g_test_run(); > + } You could skip that architecture test if you only add the test to qtests_i386 in meson.build. > + qtest_add_func("failover-virtio-net/params/error/id", test_error_id); > + qtest_add_func("failover-virtio-net/params/error/pcie", test_error_pcie); > + qtest_add_func("failover-virtio-net/params/on", test_on); > + qtest_add_func("failover-virtio-net/params/on_mismatch", > + test_on_mismatch); > + qtest_add_func("failover-virtio-net/params/off", test_off); > + qtest_add_func("failover-virtio-net/params/enabled", test_enabled); > + qtest_add_func("failover-virtio-net/hotplug_1", test_hotplug_1); > + qtest_add_func("failover-virtio-net/hotplug_1_reverse", > + test_hotplug_1_reverse); > + qtest_add_func("failover-virtio-net/hotplug_2", test_hotplug_2); > + qtest_add_func("failover-virtio-net/hotplug_2_reverse", > + test_hotplug_2_reverse); > + qtest_add_data_func("failover-virtio-net/migrate/out", tmpfile, > + test_migrate_out); > + qtest_add_data_func("failover-virtio-net/migrate/in", tmpfile, > + test_migrate_in); > + > + ret = g_test_run(); > + > + unlink(tmpfile); > + g_free(tmpfile); > + > + return ret; > +} > Thomas
diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index c9d8458062ff..6d66bf522156 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -22,6 +22,9 @@ qtests_generic = \ (config_all_devices.has_key('CONFIG_VIRTIO_SCSI') ? ['fuzz-virtio-scsi-test'] : []) + \ (config_all_devices.has_key('CONFIG_SB16') ? ['fuzz-sb16-test'] : []) + \ (config_all_devices.has_key('CONFIG_SDHCI_PCI') ? ['fuzz-sdcard-test'] : []) + \ + (config_all_devices.has_key('CONFIG_VIRTIO_NET') and \ + config_all_devices.has_key('CONFIG_Q35') and \ + config_all_devices.has_key('CONFIG_VIRTIO_PCI') ? ['virtio-net-failover'] : []) + \ [ 'cdrom-test', 'device-introspect-test', diff --git a/tests/qtest/virtio-net-failover.c b/tests/qtest/virtio-net-failover.c new file mode 100644 index 000000000000..f8f5fbb3c7fe --- /dev/null +++ b/tests/qtest/virtio-net-failover.c @@ -0,0 +1,690 @@ +#include "qemu/osdep.h" +#include "libqos/libqtest.h" +#include "libqos/pci.h" +#include "libqos/pci-pc.h" +#include "qapi/qmp/qdict.h" +#include "qapi/qmp/qlist.h" +#include "qapi/qmp/qjson.h" +#include "libqos/malloc-pc.h" +#include "libqos/virtio-pci.h" +#include "hw/pci/pci.h" + +#define ACPI_PCIHP_ADDR_ICH9 0x0cc0 +#define PCI_EJ_BASE 0x0008 + +#define BASE_MACHINE "-M q35 -nodefaults " \ + "-device pcie-root-port,id=root0,addr=0x1,bus=pcie.0,chassis=1 " \ + "-device pcie-root-port,id=root1,addr=0x2,bus=pcie.0,chassis=2 " + +#define MAC_PRIMARY0 "52:54:00:11:11:11" +#define MAC_STANDBY0 "52:54:00:22:22:22" + +static QGuestAllocator guest_malloc; +static QPCIBus *pcibus; + +static QTestState *machine_start(const char *args, int numbus) +{ + QTestState *qts; + QPCIDevice *dev; + int i; + + qts = qtest_init(args); + + pc_alloc_init(&guest_malloc, qts, 0); + pcibus = qpci_new_pc(qts, &guest_malloc); + g_assert(qpci_secondary_buses_init(pcibus) == numbus); + + for (i = 0; i < numbus; i++) { + dev = qpci_device_find(pcibus, QPCI_DEVFN(i + 1, 0)); + g_assert_nonnull(dev); + + qpci_device_enable(dev); + qpci_iomap(dev, 4, NULL); + + g_free(dev); + } + + return qts; +} + +static void machine_stop(QTestState *qts) +{ + qpci_free_pc(pcibus); + alloc_destroy(&guest_malloc); + qtest_quit(qts); +} + +static void test_error_id(void) +{ + QTestState *qts; + QDict *resp; + QDict *err; + + qts = machine_start(BASE_MACHINE + "-device virtio-net,bus=root0,id=standby0,failover=on", + 2); + + resp = qtest_qmp(qts, "{'execute': 'device_add'," + "'arguments': {" + "'driver': 'virtio-net'," + "'bus': 'root1'," + "'failover_pair_id': 'standby0'" + "} }"); + g_assert(qdict_haskey(resp, "error")); + + err = qdict_get_qdict(resp, "error"); + g_assert(qdict_haskey(err, "desc")); + + g_assert_cmpstr(qdict_get_str(err, "desc"), ==, + "Device with failover_pair_id needs to have id"); + + qobject_unref(resp); + + machine_stop(qts); +} + +static void test_error_pcie(void) +{ + QTestState *qts; + QDict *resp; + QDict *err; + + qts = machine_start(BASE_MACHINE + "-device virtio-net,bus=root0,id=standby0,failover=on", + 2); + + resp = qtest_qmp(qts, "{'execute': 'device_add'," + "'arguments': {" + "'driver': 'virtio-net'," + "'id': 'primary0'," + "'bus': 'pcie.0'," + "'failover_pair_id': 'standby0'" + "} }"); + g_assert(qdict_haskey(resp, "error")); + + err = qdict_get_qdict(resp, "error"); + g_assert(qdict_haskey(err, "desc")); + + g_assert_cmpstr(qdict_get_str(err, "desc"), ==, + "Bus 'pcie.0' does not support hotplugging"); + + qobject_unref(resp); + + machine_stop(qts); +} + +static QDict *find_device(QDict *bus, const char *name) +{ + const QObject *obj; + QList *devices; + QList *list; + + devices = qdict_get_qlist(bus, "devices"); + if (devices == NULL) { + return NULL; + } + + list = qlist_copy(devices); + while ((obj = qlist_pop(list))) { + QDict *device; + + device = qobject_to(QDict, obj); + + if (qdict_haskey(device, "pci_bridge")) { + QDict *bridge; + QDict *bridge_device; + + bridge = qdict_get_qdict(device, "pci_bridge"); + + if (qdict_haskey(bridge, "devices")) { + bridge_device = find_device(bridge, name); + if (bridge_device) { + qobject_unref(list); + return bridge_device; + } + } + } + + if (!qdict_haskey(device, "qdev_id")) { + continue; + } + + if (strcmp(qdict_get_str(device, "qdev_id"), name) == 0) { + qobject_ref(device); + qobject_unref(list); + return device; + } + } + qobject_unref(list); + + return NULL; +} + +static QDict *get_bus(QTestState *qts, int num) +{ + QObject *obj; + QDict *resp; + QList *ret; + + resp = qtest_qmp(qts, "{ 'execute': 'query-pci' }"); + g_assert(qdict_haskey(resp, "return")); + + ret = qdict_get_qlist(resp, "return"); + g_assert_nonnull(ret); + + while ((obj = qlist_pop(ret))) { + QDict *bus; + + bus = qobject_to(QDict, obj); + if (!qdict_haskey(bus, "bus")) { + continue; + } + if (qdict_get_int(bus, "bus") == num) { + qobject_ref(bus); + qobject_unref(resp); + return bus; + } + } + qobject_unref(resp); + + return NULL; +} + +static char *get_mac(QTestState *qts, const char *name) +{ + QDict *resp; + char *mac; + + resp = qtest_qmp(qts, "{ 'execute': 'qom-get', " + "'arguments': { " + "'path': %s, " + "'property': 'mac' } }", name); + + g_assert(qdict_haskey(resp, "return")); + + mac = g_strdup( qdict_get_str(resp, "return")); + + qobject_unref(resp); + + return mac; +} + +static void check_one_card(QTestState *qts, bool present, + const char *id, const char *mac) +{ + QDict *device; + QDict *bus; + char *addr; + + bus = get_bus(qts, 0); + device = find_device(bus, id); + if (present) { + char *path; + + g_assert_nonnull(device); + qobject_unref(device); + + path = g_strdup_printf("/machine/peripheral/%s", id); + addr = get_mac(qts, path); + g_free(path); + g_assert_cmpstr(mac, ==, addr); + g_free(addr); + } else { + g_assert_null(device); + } + + qobject_unref(bus); +} + +static void test_on(void) +{ + QTestState *qts; + + qts = machine_start(BASE_MACHINE + "-netdev user,id=hs0 " + "-device virtio-net,bus=root0,id=standby0," + "failover=on,netdev=hs0,mac="MAC_STANDBY0" " + "-device virtio-net,bus=root1,id=primary0," + "failover_pair_id=standby0,netdev=hs1,mac="MAC_PRIMARY0, + 2); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, false, "primary0", MAC_PRIMARY0); + + machine_stop(qts); +} + +static void test_on_mismatch(void) +{ + QTestState *qts; + + qts = machine_start(BASE_MACHINE + "-netdev user,id=hs0 " + "-device virtio-net,bus=root0,id=standby0," + "failover=on,netdev=hs0,mac="MAC_STANDBY0" " + "-netdev user,id=hs1 " + "-device virtio-net,bus=root1,id=primary0," + "failover_pair_id=standby1,netdev=hs1,mac="MAC_PRIMARY0, + 2); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, true, "primary0", MAC_PRIMARY0); + + machine_stop(qts); +} + +static void test_off(void) +{ + QTestState *qts; + + qts = machine_start(BASE_MACHINE + "-netdev user,id=hs0 " + "-device virtio-net,bus=root0,id=standby0," + "failover=off,netdev=hs0,mac="MAC_STANDBY0" " + "-netdev user,id=hs1 " + "-device virtio-net,bus=root1,id=primary0," + "failover_pair_id=standby0,netdev=hs1,mac="MAC_PRIMARY0, + 2); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, true, "primary0", MAC_PRIMARY0); + + machine_stop(qts); +} + +static void start_virtio_net(QTestState *qts, int bus, int slot, + const char *id) +{ + QVirtioPCIDevice *dev; + uint64_t features; + QPCIAddress addr; + QDict *resp; + QDict *data; + + addr.devfn = QPCI_DEVFN((bus << 5) + slot, 0); + dev = virtio_pci_new(pcibus, &addr); + g_assert_nonnull(dev); + qvirtio_pci_device_enable(dev); + qvirtio_start_device(&dev->vdev); + features = qvirtio_get_features(&dev->vdev); + features = features & ~(QVIRTIO_F_BAD_FEATURE | + (1ull << VIRTIO_RING_F_INDIRECT_DESC) | + (1ull << VIRTIO_RING_F_EVENT_IDX)); + qvirtio_set_features(&dev->vdev, features); + qvirtio_set_driver_ok(&dev->vdev); + + resp = qtest_qmp_eventwait_ref(qts, "FAILOVER_NEGOTIATED"); + g_assert(qdict_haskey(resp, "data")); + + data = qdict_get_qdict(resp, "data"); + g_assert(qdict_haskey(data, "device-id")); + g_assert_cmpstr(qdict_get_str(data, "device-id"), ==, id); + + qobject_unref(resp); +} + +static void test_enabled(void) +{ + QTestState *qts; + + qts = machine_start(BASE_MACHINE + "-netdev user,id=hs0 " + "-device virtio-net,bus=root0,id=standby0," + "failover=on,netdev=hs0,mac="MAC_STANDBY0" " + "-netdev user,id=hs1 " + "-device virtio-net,bus=root1,id=primary0," + "failover_pair_id=standby0,netdev=hs1,mac="MAC_PRIMARY0" ", + 2); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, false, "primary0", MAC_PRIMARY0); + + start_virtio_net(qts, 1, 0, "standby0"); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, true, "primary0", MAC_PRIMARY0); + + machine_stop(qts); +} + +static void test_hotplug_1(void) +{ + QTestState *qts; + + qts = machine_start(BASE_MACHINE + "-netdev user,id=hs0 " + "-device virtio-net,bus=root0,id=standby0," + "failover=on,netdev=hs0,mac="MAC_STANDBY0" " + "-netdev user,id=hs1 ", 2); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, false, "primary0", MAC_PRIMARY0); + + start_virtio_net(qts, 1, 0, "standby0"); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, false, "primary0", MAC_PRIMARY0); + + qtest_qmp_device_add(qts, "virtio-net", "primary0", + "{'bus': 'root1'," + "'failover_pair_id': 'standby0'," + "'netdev': 'hs1'," + "'mac': '"MAC_PRIMARY0"'}"); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, true, "primary0", MAC_PRIMARY0); + + machine_stop(qts); +} + +static void test_hotplug_1_reverse(void) +{ + QTestState *qts; + + qts = machine_start(BASE_MACHINE + "-netdev user,id=hs0 " + "-netdev user,id=hs1 " + "-device virtio-net,bus=root1,id=primary0," + "failover_pair_id=standby0,netdev=hs1,mac="MAC_PRIMARY0" ", + 2); + + check_one_card(qts, false, "standby0", MAC_STANDBY0); + check_one_card(qts, true, "primary0", MAC_PRIMARY0); + + qtest_qmp_device_add(qts, "virtio-net", "standby0", + "{'bus': 'root0'," + "'failover': 'on'," + "'netdev': 'hs0'," + "'mac': '"MAC_STANDBY0"'}"); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, true, "primary0", MAC_PRIMARY0); + + start_virtio_net(qts, 1, 0, "standby0"); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, true, "primary0", MAC_PRIMARY0); + + machine_stop(qts); +} + +static void test_hotplug_2(void) +{ + QTestState *qts; + + qts = machine_start(BASE_MACHINE + "-netdev user,id=hs0 " + "-netdev user,id=hs1 ", + 2); + + check_one_card(qts, false, "standby0", MAC_STANDBY0); + check_one_card(qts, false, "primary0", MAC_PRIMARY0); + + qtest_qmp_device_add(qts, "virtio-net", "standby0", + "{'bus': 'root0'," + "'failover': 'on'," + "'netdev': 'hs0'," + "'mac': '"MAC_STANDBY0"'}"); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, false, "primary0", MAC_PRIMARY0); + + start_virtio_net(qts, 1, 0, "standby0"); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, false, "primary0", MAC_PRIMARY0); + + qtest_qmp_device_add(qts, "virtio-net", "primary0", + "{'bus': 'root1'," + "'failover_pair_id': 'standby0'," + "'netdev': 'hs1'," + "'mac': '"MAC_PRIMARY0"'}"); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, true, "primary0", MAC_PRIMARY0); + + machine_stop(qts); +} + +static void test_hotplug_2_reverse(void) +{ + QTestState *qts; + + qts = machine_start(BASE_MACHINE + "-netdev user,id=hs0 " + "-netdev user,id=hs1 ", + 2); + + check_one_card(qts, false, "standby0", MAC_STANDBY0); + check_one_card(qts, false, "primary0", MAC_PRIMARY0); + + qtest_qmp_device_add(qts, "virtio-net", "primary0", + "{'bus': 'root1'," + "'failover_pair_id': 'standby0'," + "'netdev': 'hs1'," + "'mac': '"MAC_PRIMARY0"'}"); + + check_one_card(qts, false, "standby0", MAC_STANDBY0); + check_one_card(qts, true, "primary0", MAC_PRIMARY0); + + qtest_qmp_device_add(qts, "virtio-net", "standby0", + "{'bus': 'root0'," + "'failover': 'on'," + "'netdev': 'hs0'," + "'rombar': 0," + "'romfile': ''," + "'mac': '"MAC_STANDBY0"'}"); + + /* XXX: sounds like a bug */ + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, true, "primary0", MAC_PRIMARY0); + + start_virtio_net(qts, 1, 0, "standby0"); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, true, "primary0", MAC_PRIMARY0); + + machine_stop(qts); +} + +static QDict *migrate_status(QTestState *qts) +{ + QDict *resp, *ret; + + resp = qtest_qmp(qts, "{ 'execute': 'query-migrate' }"); + g_assert(qdict_haskey(resp, "return")); + + ret = qdict_get_qdict(resp, "return"); + g_assert(qdict_haskey(ret, "status")); + qobject_ref(ret); + qobject_unref(resp); + + return ret; +} + +static void test_migrate_out(gconstpointer opaque) +{ + QTestState *qts; + QDict *resp, *args, *data, *ret; + g_autofree gchar *uri = g_strdup_printf("exec: cat > %s", (gchar *)opaque); + const gchar *status; + + qts = machine_start(BASE_MACHINE + "-netdev user,id=hs0 " + "-netdev user,id=hs1 ", + 2); + + check_one_card(qts, false, "standby0", MAC_STANDBY0); + check_one_card(qts, false, "primary0", MAC_PRIMARY0); + + qtest_qmp_device_add(qts, "virtio-net", "standby0", + "{'bus': 'root0'," + "'failover': 'on'," + "'netdev': 'hs0'," + "'mac': '"MAC_STANDBY0"'}"); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, false, "primary0", MAC_PRIMARY0); + + start_virtio_net(qts, 1, 0, "standby0"); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, false, "primary0", MAC_PRIMARY0); + + qtest_qmp_device_add(qts, "virtio-net", "primary0", + "{'bus': 'root1'," + "'failover_pair_id': 'standby0'," + "'netdev': 'hs1'," + "'rombar': 0," + "'romfile': ''," + "'mac': '"MAC_PRIMARY0"'}"); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, true, "primary0", MAC_PRIMARY0); + + args = qdict_from_jsonf_nofail("{}"); + g_assert_nonnull(args); + qdict_put_str(args, "uri", uri); + + resp = qtest_qmp(qts, "{ 'execute': 'migrate', 'arguments': %p}", args); + g_assert(qdict_haskey(resp, "return")); + qobject_unref(resp); + + /* the event is sent whan QEMU asks the OS to unplug the card */ + resp = qtest_qmp_eventwait_ref(qts, "UNPLUG_PRIMARY"); + g_assert(qdict_haskey(resp, "data")); + + data = qdict_get_qdict(resp, "data"); + g_assert(qdict_haskey(data, "device-id")); + g_assert_cmpstr(qdict_get_str(data, "device-id"), ==, "primary0"); + + qobject_unref(resp); + + qtest_outl(qts, ACPI_PCIHP_ADDR_ICH9 + PCI_EJ_BASE, 1); + + while (true) { + ret = migrate_status(qts); + + status = qdict_get_str(ret, "status"); + if (strcmp(status, "completed") == 0) { + break; + } + g_assert_cmpstr(status, !=, "failed"); + g_assert_cmpstr(status, !=, "cancelling"); + g_assert_cmpstr(status, !=, "cancelled"); + qobject_unref(ret); + } + qobject_unref(ret); + + qtest_qmp_eventwait(qts, "STOP"); + + /* + * in fact, the card is ejected from the point of view of kernel + * but not really from QEMU to be able to hotplug it back if + * migration fails. So we can't check that: + * check_one_card(qts, true, "standby0", MAC_STANDBY0); + * check_one_card(qts, false, "primary0", MAC_PRIMARY0); + */ + + machine_stop(qts); +} + +static void test_migrate_in(gconstpointer opaque) +{ + QTestState *qts; + QDict *resp, *args, *ret; + g_autofree gchar *uri = g_strdup_printf("exec: cat %s", (gchar *)opaque); + + qts = machine_start(BASE_MACHINE + "-netdev user,id=hs0 " + "-netdev user,id=hs1 " + "-incoming defer ", + 2); + + check_one_card(qts, false, "standby0", MAC_STANDBY0); + check_one_card(qts, false, "primary0", MAC_PRIMARY0); + + qtest_qmp_device_add(qts, "virtio-net", "standby0", + "{'bus': 'root0'," + "'failover': 'on'," + "'netdev': 'hs0'," + "'mac': '"MAC_STANDBY0"'}"); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, false, "primary0", MAC_PRIMARY0); + + qtest_qmp_device_add(qts, "virtio-net", "primary0", + "{'bus': 'root1'," + "'failover_pair_id': 'standby0'," + "'netdev': 'hs1'," + "'rombar': 0," + "'romfile': ''," + "'mac': '"MAC_PRIMARY0"'}"); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, false, "primary0", MAC_PRIMARY0); + + args = qdict_from_jsonf_nofail("{}"); + g_assert_nonnull(args); + qdict_put_str(args, "uri", uri); + + resp = qtest_qmp(qts, "{ 'execute': 'migrate-incoming', 'arguments': %p}", + args); + g_assert(qdict_haskey(resp, "return")); + qobject_unref(resp); + + qtest_qmp_eventwait(qts, "MIGRATION"); + qtest_qmp_eventwait(qts, "FAILOVER_NEGOTIATED"); + + check_one_card(qts, true, "standby0", MAC_STANDBY0); + check_one_card(qts, true, "primary0", MAC_PRIMARY0); + + qtest_qmp_eventwait(qts, "RESUME"); + + ret = migrate_status(qts); + g_assert_cmpstr(qdict_get_str(ret, "status"), ==, "completed"); + qobject_unref(ret); + + machine_stop(qts); +} + +int main(int argc, char **argv) +{ + gchar *tmpfile = g_strdup_printf("/tmp/failover_test_migrate-%u-%u", + getpid(), g_test_rand_int()); + const char *arch; + int ret; + + g_test_init(&argc, &argv, NULL); + + arch = qtest_get_arch(); + if (strcmp(arch, "i386") && strcmp(arch, "x86_64")) { + g_test_message("Skipping test for non-x86"); + return g_test_run(); + } + + qtest_add_func("failover-virtio-net/params/error/id", test_error_id); + qtest_add_func("failover-virtio-net/params/error/pcie", test_error_pcie); + qtest_add_func("failover-virtio-net/params/on", test_on); + qtest_add_func("failover-virtio-net/params/on_mismatch", + test_on_mismatch); + qtest_add_func("failover-virtio-net/params/off", test_off); + qtest_add_func("failover-virtio-net/params/enabled", test_enabled); + qtest_add_func("failover-virtio-net/hotplug_1", test_hotplug_1); + qtest_add_func("failover-virtio-net/hotplug_1_reverse", + test_hotplug_1_reverse); + qtest_add_func("failover-virtio-net/hotplug_2", test_hotplug_2); + qtest_add_func("failover-virtio-net/hotplug_2_reverse", + test_hotplug_2_reverse); + qtest_add_data_func("failover-virtio-net/migrate/out", tmpfile, + test_migrate_out); + qtest_add_data_func("failover-virtio-net/migrate/in", tmpfile, + test_migrate_in); + + ret = g_test_run(); + + unlink(tmpfile); + g_free(tmpfile); + + return ret; +}
Add test cases to test several error cases that must be generated by invalid failover configuration. Add a combination of coldplug and hotplug test cases to be sure the primary is correctly managed according the presence or not of the STANDBY feature. Signed-off-by: Laurent Vivier <lvivier@redhat.com> --- tests/qtest/meson.build | 3 + tests/qtest/virtio-net-failover.c | 690 ++++++++++++++++++++++++++++++ 2 files changed, 693 insertions(+) create mode 100644 tests/qtest/virtio-net-failover.c