*/
#include "qemu/osdep.h"
-#include <glib.h>
#include "libqtest.h"
+#include "qapi/error.h"
+#include "qemu/config-file.h"
#include "qemu/option.h"
#include "qemu/range.h"
-#include "sysemu/char.h"
+#include "qemu/sockets.h"
+#include "chardev/char-fe.h"
#include "sysemu/sysemu.h"
+#include "libqos/libqos.h"
+#include "libqos/pci-pc.h"
+#include "libqos/virtio-pci.h"
+#include "qapi/error.h"
+
+#include "libqos/malloc-pc.h"
+#include "hw/virtio/virtio-net.h"
#include <linux/vhost.h>
-#include <sys/mman.h>
+#include <linux/virtio_ids.h>
+#include <linux/virtio_net.h>
#include <sys/vfs.h>
-#include <qemu/sockets.h>
/* GLIB version compatibility flags */
#if !GLIB_CHECK_VERSION(2, 26, 0)
#define HAVE_MONOTONIC_TIME
#endif
-#define QEMU_CMD_ACCEL " -machine accel=tcg"
#define QEMU_CMD_MEM " -m %d -object memory-backend-file,id=mem,size=%dM,"\
"mem-path=%s,share=on -numa node,memdev=mem"
-#define QEMU_CMD_CHR " -chardev socket,id=%s,path=%s"
+#define QEMU_CMD_CHR " -chardev socket,id=%s,path=%s%s"
#define QEMU_CMD_NETDEV " -netdev vhost-user,id=net0,chardev=%s,vhostforce"
-#define QEMU_CMD_NET " -device virtio-net-pci,netdev=net0,romfile=./pc-bios/pxe-virtio.rom"
+#define QEMU_CMD_NET " -device virtio-net-pci,netdev=net0"
-#define QEMU_CMD QEMU_CMD_ACCEL QEMU_CMD_MEM QEMU_CMD_CHR \
+#define QEMU_CMD QEMU_CMD_MEM QEMU_CMD_CHR \
QEMU_CMD_NETDEV QEMU_CMD_NET
#define HUGETLBFS_MAGIC 0x958458f6
#define VHOST_MEMORY_MAX_NREGIONS 8
#define VHOST_USER_F_PROTOCOL_FEATURES 30
+#define VHOST_USER_PROTOCOL_F_MQ 0
#define VHOST_USER_PROTOCOL_F_LOG_SHMFD 1
#define VHOST_LOG_PAGE 0x1000
VHOST_USER_SET_VRING_ERR = 14,
VHOST_USER_GET_PROTOCOL_FEATURES = 15,
VHOST_USER_SET_PROTOCOL_FEATURES = 16,
+ VHOST_USER_GET_QUEUE_NUM = 17,
VHOST_USER_SET_VRING_ENABLE = 18,
VHOST_USER_MAX
} VhostUserRequest;
#define VHOST_USER_VERSION (0x1)
/*****************************************************************************/
+enum {
+ TEST_FLAGS_OK,
+ TEST_FLAGS_DISCONNECT,
+ TEST_FLAGS_BAD,
+ TEST_FLAGS_END,
+};
+
typedef struct TestServer {
+ QPCIBus *bus;
gchar *socket_path;
gchar *mig_path;
gchar *chr_name;
- CharDriverState *chr;
+ CharBackend chr;
int fds_num;
int fds[VHOST_MEMORY_MAX_NREGIONS];
VhostUserMemory memory;
- GMutex data_mutex;
- GCond data_cond;
+ CompatGMutex data_mutex;
+ CompatGCond data_cond;
int log_fd;
uint64_t rings;
+ bool test_fail;
+ int test_flags;
+ int queues;
} TestServer;
-#if !GLIB_CHECK_VERSION(2, 32, 0)
-static gboolean g_cond_wait_until(CompatGCond cond, CompatGMutex mutex,
- gint64 end_time)
-{
- gboolean ret = FALSE;
- end_time -= g_get_monotonic_time();
- GTimeVal time = { end_time / G_TIME_SPAN_SECOND,
- end_time % G_TIME_SPAN_SECOND };
- ret = g_cond_timed_wait(cond, mutex, &time);
- return ret;
-}
-#endif
-
static const char *tmpfs;
static const char *root;
+static void init_virtio_dev(TestServer *s)
+{
+ QVirtioPCIDevice *dev;
+ uint32_t features;
+
+ s->bus = qpci_init_pc(NULL);
+ g_assert_nonnull(s->bus);
+
+ dev = qvirtio_pci_device_find(s->bus, VIRTIO_ID_NET);
+ g_assert_nonnull(dev);
+
+ qvirtio_pci_device_enable(dev);
+ qvirtio_reset(&dev->vdev);
+ qvirtio_set_acknowledge(&dev->vdev);
+ qvirtio_set_driver(&dev->vdev);
+
+ features = qvirtio_get_features(&dev->vdev);
+ features = features & VIRTIO_NET_F_MAC;
+ qvirtio_set_features(&dev->vdev, features);
+
+ qvirtio_set_driver_ok(&dev->vdev);
+ qvirtio_pci_device_free(dev);
+}
+
static void wait_for_fds(TestServer *s)
{
gint64 end_time;
static void chr_read(void *opaque, const uint8_t *buf, int size)
{
TestServer *s = opaque;
- CharDriverState *chr = s->chr;
+ CharBackend *chr = &s->chr;
VhostUserMsg msg;
uint8_t *p = (uint8_t *) &msg;
int fd;
+ if (s->test_fail) {
+ qemu_chr_fe_disconnect(chr);
+ /* now switch to non-failure */
+ s->test_fail = false;
+ }
+
if (size != VHOST_USER_HDR_SIZE) {
g_test_message("Wrong message size received %d\n", size);
return;
if (msg.size) {
p += VHOST_USER_HDR_SIZE;
- g_assert_cmpint(qemu_chr_fe_read_all(chr, p, msg.size), ==, msg.size);
+ size = qemu_chr_fe_read_all(chr, p, msg.size);
+ if (size != msg.size) {
+ g_test_message("Wrong message size received %d != %d\n",
+ size, msg.size);
+ return;
+ }
}
switch (msg.request) {
msg.size = sizeof(m.payload.u64);
msg.payload.u64 = 0x1ULL << VHOST_F_LOG_ALL |
0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES;
+ if (s->queues > 1) {
+ msg.payload.u64 |= 0x1ULL << VIRTIO_NET_F_MQ;
+ }
+ if (s->test_flags >= TEST_FLAGS_BAD) {
+ msg.payload.u64 = 0;
+ s->test_flags = TEST_FLAGS_END;
+ }
p = (uint8_t *) &msg;
qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
break;
case VHOST_USER_SET_FEATURES:
g_assert_cmpint(msg.payload.u64 & (0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES),
!=, 0ULL);
+ if (s->test_flags == TEST_FLAGS_DISCONNECT) {
+ qemu_chr_fe_disconnect(chr);
+ s->test_flags = TEST_FLAGS_BAD;
+ }
break;
case VHOST_USER_GET_PROTOCOL_FEATURES:
msg.flags |= VHOST_USER_REPLY_MASK;
msg.size = sizeof(m.payload.u64);
msg.payload.u64 = 1 << VHOST_USER_PROTOCOL_F_LOG_SHMFD;
+ if (s->queues > 1) {
+ msg.payload.u64 |= 1 << VHOST_USER_PROTOCOL_F_MQ;
+ }
p = (uint8_t *) &msg;
qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
break;
p = (uint8_t *) &msg;
qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
- assert(msg.payload.state.index < 2);
+ assert(msg.payload.state.index < s->queues * 2);
s->rings &= ~(0x1ULL << msg.payload.state.index);
break;
case VHOST_USER_SET_MEM_TABLE:
/* received the mem table */
memcpy(&s->memory, &msg.payload.memory, sizeof(msg.payload.memory));
- s->fds_num = qemu_chr_fe_get_msgfds(chr, s->fds, G_N_ELEMENTS(s->fds));
+ s->fds_num = qemu_chr_fe_get_msgfds(chr, s->fds,
+ G_N_ELEMENTS(s->fds));
/* signal the test that it can continue */
g_cond_signal(&s->data_cond);
break;
case VHOST_USER_SET_VRING_BASE:
- assert(msg.payload.state.index < 2);
+ assert(msg.payload.state.index < s->queues * 2);
s->rings |= 0x1ULL << msg.payload.state.index;
break;
+ case VHOST_USER_GET_QUEUE_NUM:
+ msg.flags |= VHOST_USER_REPLY_MASK;
+ msg.size = sizeof(m.payload.u64);
+ msg.payload.u64 = s->queues;
+ p = (uint8_t *) &msg;
+ qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
+ break;
+
default:
break;
}
static TestServer *test_server_new(const gchar *name)
{
TestServer *server = g_new0(TestServer, 1);
- gchar *chr_path;
server->socket_path = g_strdup_printf("%s/%s.sock", tmpfs, name);
server->mig_path = g_strdup_printf("%s/%s.mig", tmpfs, name);
-
- chr_path = g_strdup_printf("unix:%s,server,nowait", server->socket_path);
server->chr_name = g_strdup_printf("chr-%s", name);
- server->chr = qemu_chr_new(server->chr_name, chr_path, NULL);
- g_free(chr_path);
-
- qemu_chr_add_handlers(server->chr, chr_can_read, chr_read, NULL, server);
g_mutex_init(&server->data_mutex);
g_cond_init(&server->data_cond);
server->log_fd = -1;
+ server->queues = 1;
return server;
}
-#define GET_QEMU_CMD(s) \
- g_strdup_printf(QEMU_CMD, 512, 512, (root), (s)->chr_name, \
- (s)->socket_path, (s)->chr_name)
+static void chr_event(void *opaque, int event)
+{
+ TestServer *s = opaque;
-#define GET_QEMU_CMDE(s, mem, extra, ...) \
- g_strdup_printf(QEMU_CMD extra, (mem), (mem), (root), (s)->chr_name, \
- (s)->socket_path, (s)->chr_name, ##__VA_ARGS__)
+ if (s->test_flags == TEST_FLAGS_END &&
+ event == CHR_EVENT_CLOSED) {
+ s->test_flags = TEST_FLAGS_OK;
+ }
+}
+
+static void test_server_create_chr(TestServer *server, const gchar *opt)
+{
+ gchar *chr_path;
+ Chardev *chr;
+
+ chr_path = g_strdup_printf("unix:%s%s", server->socket_path, opt);
+ chr = qemu_chr_new(server->chr_name, chr_path);
+ g_free(chr_path);
+
+ qemu_chr_fe_init(&server->chr, chr, &error_abort);
+ qemu_chr_fe_set_handlers(&server->chr, chr_can_read, chr_read,
+ chr_event, server, NULL, true);
+}
+
+static void test_server_listen(TestServer *server)
+{
+ test_server_create_chr(server, ",server,nowait");
+}
+
+static inline void test_server_connect(TestServer *server)
+{
+ test_server_create_chr(server, ",reconnect=1");
+}
+
+#define GET_QEMU_CMD(s) \
+ g_strdup_printf(QEMU_CMD, 512, 512, (root), (s)->chr_name, \
+ (s)->socket_path, "", (s)->chr_name)
+
+#define GET_QEMU_CMDE(s, mem, chr_opts, extra, ...) \
+ g_strdup_printf(QEMU_CMD extra, (mem), (mem), (root), (s)->chr_name, \
+ (s)->socket_path, (chr_opts), (s)->chr_name, ##__VA_ARGS__)
static gboolean _test_server_free(TestServer *server)
{
int i;
- qemu_chr_delete(server->chr);
+ qemu_chr_fe_deinit(&server->chr, true);
for (i = 0; i < server->fds_num; i++) {
close(server->fds[i]);
g_free(server->mig_path);
g_free(server->chr_name);
+ qpci_free_pc(server->bus);
+
g_free(server);
return FALSE;
guint8 *log;
guint64 size;
- cmd = GET_QEMU_CMDE(s, 2, "");
+ test_server_listen(s);
+ test_server_listen(dest);
+
+ cmd = GET_QEMU_CMDE(s, 2, "", "");
from = qtest_start(cmd);
g_free(cmd);
+ init_virtio_dev(s);
wait_for_fds(s);
size = get_log_size(s);
g_assert_cmpint(size, ==, (2 * 1024 * 1024) / (VHOST_LOG_PAGE * 8));
- cmd = GET_QEMU_CMDE(dest, 2, " -incoming %s", uri);
+ cmd = GET_QEMU_CMDE(dest, 2, "", " -incoming %s", uri);
to = qtest_init(cmd);
g_free(cmd);
global_qtest = global;
}
+static void wait_for_rings_started(TestServer *s, size_t count)
+{
+ gint64 end_time;
+
+ g_mutex_lock(&s->data_mutex);
+ end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
+ while (ctpop64(s->rings) != count) {
+ if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) {
+ /* timeout has passed */
+ g_assert_cmpint(ctpop64(s->rings), ==, count);
+ break;
+ }
+ }
+
+ g_mutex_unlock(&s->data_mutex);
+}
+
+#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
+static gboolean
+reconnect_cb(gpointer user_data)
+{
+ TestServer *s = user_data;
+
+ qemu_chr_fe_disconnect(&s->chr);
+
+ return FALSE;
+}
+
+static gpointer
+connect_thread(gpointer data)
+{
+ TestServer *s = data;
+
+ /* wait for qemu to start before first try, to avoid extra warnings */
+ g_usleep(G_USEC_PER_SEC);
+ test_server_connect(s);
+
+ return NULL;
+}
+
+static void test_reconnect_subprocess(void)
+{
+ TestServer *s = test_server_new("reconnect");
+ char *cmd;
+
+ g_thread_new("connect", connect_thread, s);
+ cmd = GET_QEMU_CMDE(s, 2, ",server", "");
+ qtest_start(cmd);
+ g_free(cmd);
+
+ init_virtio_dev(s);
+ wait_for_fds(s);
+ wait_for_rings_started(s, 2);
+
+ /* reconnect */
+ s->fds_num = 0;
+ s->rings = 0;
+ g_idle_add(reconnect_cb, s);
+ wait_for_fds(s);
+ wait_for_rings_started(s, 2);
+
+ qtest_end();
+ test_server_free(s);
+ return;
+}
+
+static void test_reconnect(void)
+{
+ gchar *path = g_strdup_printf("/%s/vhost-user/reconnect/subprocess",
+ qtest_get_arch());
+ g_test_trap_subprocess(path, 0, 0);
+ g_test_trap_assert_passed();
+ g_free(path);
+}
+
+static void test_connect_fail_subprocess(void)
+{
+ TestServer *s = test_server_new("connect-fail");
+ char *cmd;
+
+ s->test_fail = true;
+ g_thread_new("connect", connect_thread, s);
+ cmd = GET_QEMU_CMDE(s, 2, ",server", "");
+ qtest_start(cmd);
+ g_free(cmd);
+
+ init_virtio_dev(s);
+ wait_for_fds(s);
+ wait_for_rings_started(s, 2);
+
+ qtest_end();
+ test_server_free(s);
+}
+
+static void test_connect_fail(void)
+{
+ gchar *path = g_strdup_printf("/%s/vhost-user/connect-fail/subprocess",
+ qtest_get_arch());
+ g_test_trap_subprocess(path, 0, 0);
+ g_test_trap_assert_passed();
+ g_free(path);
+}
+
+static void test_flags_mismatch_subprocess(void)
+{
+ TestServer *s = test_server_new("flags-mismatch");
+ char *cmd;
+
+ s->test_flags = TEST_FLAGS_DISCONNECT;
+ g_thread_new("connect", connect_thread, s);
+ cmd = GET_QEMU_CMDE(s, 2, ",server", "");
+ qtest_start(cmd);
+ g_free(cmd);
+
+ init_virtio_dev(s);
+ wait_for_fds(s);
+ wait_for_rings_started(s, 2);
+
+ qtest_end();
+ test_server_free(s);
+}
+
+static void test_flags_mismatch(void)
+{
+ gchar *path = g_strdup_printf("/%s/vhost-user/flags-mismatch/subprocess",
+ qtest_get_arch());
+ g_test_trap_subprocess(path, 0, 0);
+ g_test_trap_assert_passed();
+ g_free(path);
+}
+
+#endif
+
+static QVirtioPCIDevice *virtio_net_pci_init(QPCIBus *bus, int slot)
+{
+ QVirtioPCIDevice *dev;
+
+ dev = qvirtio_pci_device_find(bus, VIRTIO_ID_NET);
+ g_assert(dev != NULL);
+ g_assert_cmphex(dev->vdev.device_type, ==, VIRTIO_ID_NET);
+
+ qvirtio_pci_device_enable(dev);
+ qvirtio_reset(&dev->vdev);
+ qvirtio_set_acknowledge(&dev->vdev);
+ qvirtio_set_driver(&dev->vdev);
+
+ return dev;
+}
+
+static void driver_init(QVirtioDevice *dev)
+{
+ uint32_t features;
+
+ features = qvirtio_get_features(dev);
+ features = features & ~(QVIRTIO_F_BAD_FEATURE |
+ (1u << VIRTIO_RING_F_INDIRECT_DESC) |
+ (1u << VIRTIO_RING_F_EVENT_IDX));
+ qvirtio_set_features(dev, features);
+
+ qvirtio_set_driver_ok(dev);
+}
+
+#define PCI_SLOT 0x04
+
+static void test_multiqueue(void)
+{
+ const int queues = 2;
+ TestServer *s = test_server_new("mq");
+ QVirtioPCIDevice *dev;
+ QPCIBus *bus;
+ QVirtQueuePCI *vq[queues * 2];
+ QGuestAllocator *alloc;
+ char *cmd;
+ int i;
+
+ s->queues = queues;
+ test_server_listen(s);
+
+ cmd = g_strdup_printf(QEMU_CMD_MEM QEMU_CMD_CHR QEMU_CMD_NETDEV ",queues=%d "
+ "-device virtio-net-pci,netdev=net0,mq=on,vectors=%d",
+ 512, 512, root, s->chr_name,
+ s->socket_path, "", s->chr_name,
+ queues, queues * 2 + 2);
+ qtest_start(cmd);
+ g_free(cmd);
+
+ bus = qpci_init_pc(NULL);
+ dev = virtio_net_pci_init(bus, PCI_SLOT);
+
+ alloc = pc_alloc_init();
+ for (i = 0; i < queues * 2; i++) {
+ vq[i] = (QVirtQueuePCI *)qvirtqueue_setup(&dev->vdev, alloc, i);
+ }
+
+ driver_init(&dev->vdev);
+ wait_for_rings_started(s, queues * 2);
+
+ /* End test */
+ for (i = 0; i < queues * 2; i++) {
+ qvirtqueue_cleanup(dev->vdev.bus, &vq[i]->vq, alloc);
+ }
+ pc_alloc_uninit(alloc);
+ qvirtio_pci_device_disable(dev);
+ g_free(dev->pdev);
+ g_free(dev);
+ qpci_free_pc(bus);
+ qtest_end();
+
+ test_server_free(s);
+}
+
int main(int argc, char **argv)
{
QTestState *s = NULL;
}
server = test_server_new("test");
+ test_server_listen(server);
loop = g_main_loop_new(NULL, FALSE);
/* run the main loop thread so the chardev may operate */
s = qtest_start(qemu_cmd);
g_free(qemu_cmd);
+ init_virtio_dev(server);
qtest_add_data_func("/vhost-user/read-guest-mem", server, read_guest_mem);
qtest_add_func("/vhost-user/migrate", test_migrate);
+ qtest_add_func("/vhost-user/multiqueue", test_multiqueue);
+#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
+ qtest_add_func("/vhost-user/reconnect/subprocess",
+ test_reconnect_subprocess);
+ qtest_add_func("/vhost-user/reconnect", test_reconnect);
+ qtest_add_func("/vhost-user/connect-fail/subprocess",
+ test_connect_fail_subprocess);
+ qtest_add_func("/vhost-user/connect-fail", test_connect_fail);
+ qtest_add_func("/vhost-user/flags-mismatch/subprocess",
+ test_flags_mismatch_subprocess);
+ qtest_add_func("/vhost-user/flags-mismatch", test_flags_mismatch);
+#endif
ret = g_test_run();
projects / qemu.git / blobdiff