*
*/
-#include <glib.h>
+#include "qemu/osdep.h"
#include "libqtest.h"
#include "qemu/option.h"
#include "qemu/range.h"
+#include "qemu/sockets.h"
#include "sysemu/char.h"
#include "sysemu/sysemu.h"
#include <linux/vhost.h>
-#include <sys/mman.h>
#include <sys/vfs.h>
-#include <qemu/sockets.h>
/* GLIB version compatibility flags */
#if !GLIB_CHECK_VERSION(2, 26, 0)
#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 "
-#define QEMU_CMD_ROM " -option-rom ../pc-bios/pxe-virtio.rom"
+#define QEMU_CMD_NET " -device virtio-net-pci,netdev=net0,romfile=./pc-bios/pxe-virtio.rom"
#define QEMU_CMD QEMU_CMD_ACCEL QEMU_CMD_MEM QEMU_CMD_CHR \
- QEMU_CMD_NETDEV QEMU_CMD_NET QEMU_CMD_ROM
+ QEMU_CMD_NETDEV QEMU_CMD_NET
#define HUGETLBFS_MAGIC 0x958458f6
VHOST_USER_GET_FEATURES = 1,
VHOST_USER_SET_FEATURES = 2,
VHOST_USER_SET_OWNER = 3,
- VHOST_USER_RESET_DEVICE = 4,
+ VHOST_USER_RESET_OWNER = 4,
VHOST_USER_SET_MEM_TABLE = 5,
VHOST_USER_SET_LOG_BASE = 6,
VHOST_USER_SET_LOG_FD = 7,
VHOST_USER_SET_VRING_ERR = 14,
VHOST_USER_GET_PROTOCOL_FEATURES = 15,
VHOST_USER_SET_PROTOCOL_FEATURES = 16,
+ VHOST_USER_SET_VRING_ENABLE = 18,
VHOST_USER_MAX
} VhostUserRequest;
VhostUserMemoryRegion regions[VHOST_MEMORY_MAX_NREGIONS];
} VhostUserMemory;
+typedef struct VhostUserLog {
+ uint64_t mmap_size;
+ uint64_t mmap_offset;
+} VhostUserLog;
+
typedef struct VhostUserMsg {
VhostUserRequest request;
uint32_t flags;
uint32_t size; /* the following payload size */
union {
+#define VHOST_USER_VRING_IDX_MASK (0xff)
+#define VHOST_USER_VRING_NOFD_MASK (0x1<<8)
uint64_t u64;
struct vhost_vring_state state;
struct vhost_vring_addr addr;
VhostUserMemory memory;
- };
+ VhostUserLog log;
+ } payload;
} QEMU_PACKED VhostUserMsg;
static VhostUserMsg m __attribute__ ((unused));
typedef struct TestServer {
gchar *socket_path;
+ gchar *mig_path;
gchar *chr_name;
CharDriverState *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;
} 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;
g_mutex_unlock(&s->data_mutex);
}
-static void read_guest_mem(TestServer *s)
+static void read_guest_mem(const void *data)
{
+ TestServer *s = (void *)data;
uint32_t *guest_mem;
int i, j;
size_t size;
static void *thread_function(void *data)
{
- GMainLoop *loop;
- loop = g_main_loop_new(NULL, FALSE);
+ GMainLoop *loop = data;
g_main_loop_run(loop);
return NULL;
}
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) {
case VHOST_USER_GET_FEATURES:
/* send back features to qemu */
msg.flags |= VHOST_USER_REPLY_MASK;
- msg.size = sizeof(m.u64);
- msg.u64 = 0x1ULL << VHOST_F_LOG_ALL |
+ msg.size = sizeof(m.payload.u64);
+ msg.payload.u64 = 0x1ULL << VHOST_F_LOG_ALL |
0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES;
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.u64 & (0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES),
+ g_assert_cmpint(msg.payload.u64 & (0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES),
!=, 0ULL);
break;
case VHOST_USER_GET_PROTOCOL_FEATURES:
/* send back features to qemu */
msg.flags |= VHOST_USER_REPLY_MASK;
- msg.size = sizeof(m.u64);
- msg.u64 = 1 << VHOST_USER_PROTOCOL_F_LOG_SHMFD;
+ msg.size = sizeof(m.payload.u64);
+ msg.payload.u64 = 1 << VHOST_USER_PROTOCOL_F_LOG_SHMFD;
p = (uint8_t *) &msg;
qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
break;
case VHOST_USER_GET_VRING_BASE:
/* send back vring base to qemu */
msg.flags |= VHOST_USER_REPLY_MASK;
- msg.size = sizeof(m.state);
- msg.state.num = 0;
+ msg.size = sizeof(m.payload.state);
+ msg.payload.state.num = 0;
p = (uint8_t *) &msg;
qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
+
+ assert(msg.payload.state.index < 2);
+ s->rings &= ~(0x1ULL << msg.payload.state.index);
break;
case VHOST_USER_SET_MEM_TABLE:
/* received the mem table */
- memcpy(&s->memory, &msg.memory, sizeof(msg.memory));
+ 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));
/* signal the test that it can continue */
g_cond_signal(&s->data_cond);
break;
- case VHOST_USER_RESET_DEVICE:
- s->fds_num = 0;
+ case VHOST_USER_SET_VRING_BASE:
+ assert(msg.payload.state.index < 2);
+ s->rings |= 0x1ULL << msg.payload.state.index;
break;
default:
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);
-
- chr_path = g_strdup_printf("unix:%s,server,nowait", server->socket_path);
+ server->mig_path = g_strdup_printf("%s/%s.mig", tmpfs, name);
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);
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 test_server_create_chr(TestServer *server, const gchar *opt)
+{
+ gchar *chr_path;
-#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__)
+ chr_path = g_strdup_printf("unix:%s%s", server->socket_path, opt);
+ server->chr = qemu_chr_new(server->chr_name, chr_path, NULL);
+ g_free(chr_path);
-static void test_server_free(TestServer *server)
+ qemu_chr_add_handlers(server->chr, chr_can_read, chr_read, NULL, server);
+}
+
+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;
unlink(server->socket_path);
g_free(server->socket_path);
+ unlink(server->mig_path);
+ g_free(server->mig_path);
g_free(server->chr_name);
g_free(server);
+
+ return FALSE;
+}
+
+static void test_server_free(TestServer *server)
+{
+ g_idle_add((GSourceFunc)_test_server_free, server);
}
static void wait_for_log_fd(TestServer *s)
g_mutex_unlock(&s->data_mutex);
}
-static void write_guest_mem(TestServer *s, uint32 seed)
+static void write_guest_mem(TestServer *s, uint32_t seed)
{
uint32_t *guest_mem;
int i, j;
test_migrate_source_check(GSource *source)
{
TestMigrateSource *t = (TestMigrateSource *)source;
- gboolean overlap = t->src->fds_num > 0 && t->dest->fds_num > 0;
+ gboolean overlap = t->src->rings && t->dest->rings;
g_assert(!overlap);
return FALSE;
}
+#if !GLIB_CHECK_VERSION(2,36,0)
+/* this callback is unnecessary with glib >2.36, the default
+ * prepare for the source does the same */
+static gboolean
+test_migrate_source_prepare(GSource *source, gint *timeout)
+{
+ *timeout = -1;
+ return FALSE;
+}
+#endif
+
GSourceFuncs test_migrate_source_funcs = {
- NULL,
- test_migrate_source_check,
- NULL,
- NULL
+#if !GLIB_CHECK_VERSION(2,36,0)
+ .prepare = test_migrate_source_prepare,
+#endif
+ .check = test_migrate_source_check,
};
static void test_migrate(void)
{
TestServer *s = test_server_new("src");
TestServer *dest = test_server_new("dest");
- const char *uri = "tcp:127.0.0.1:1234";
+ char *uri = g_strdup_printf("%s%s", "unix:", dest->mig_path);
QTestState *global = global_qtest, *from, *to;
GSource *source;
gchar *cmd;
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);
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);
test_server_free(dest);
qtest_quit(from);
test_server_free(s);
+ g_free(uri);
global_qtest = global;
}
+#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
+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);
+}
+
+static gboolean
+reconnect_cb(gpointer user_data)
+{
+ TestServer *s = user_data;
+
+ qemu_chr_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);
+
+ 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();
+}
+#endif
+
int main(int argc, char **argv)
{
QTestState *s = NULL;
char *qemu_cmd = NULL;
int ret;
char template[] = "/tmp/vhost-test-XXXXXX";
+ GMainLoop *loop;
+ GThread *thread;
g_test_init(&argc, &argv, 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 */
- g_thread_new(NULL, thread_function, NULL);
+ thread = g_thread_new(NULL, thread_function, loop);
qemu_cmd = GET_QEMU_CMD(server);
qtest_add_data_func("/vhost-user/read-guest-mem", server, read_guest_mem);
qtest_add_func("/vhost-user/migrate", test_migrate);
+#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
+ qtest_add_func("/vhost-user/reconnect/subprocess",
+ test_reconnect_subprocess);
+ qtest_add_func("/vhost-user/reconnect", test_reconnect);
+#endif
ret = g_test_run();
/* cleanup */
test_server_free(server);
+ /* finish the helper thread and dispatch pending sources */
+ g_main_loop_quit(loop);
+ g_thread_join(thread);
+ while (g_main_context_pending(NULL)) {
+ g_main_context_iteration (NULL, TRUE);
+ }
+ g_main_loop_unref(loop);
+
ret = rmdir(tmpfs);
if (ret != 0) {
g_test_message("unable to rmdir: path (%s): %s\n",
projects / qemu.git / blobdiff