This will exercise the memfd memory backend and should generally be
better for testing than memory-backend-file (thanks to anonymous files
and sealing).
Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
---
tests/vhost-user-test.c | 68 ++++++++++++++++++++++++++++++++-----------------
1 file changed, 44 insertions(+), 24 deletions(-)
diff --git a/tests/vhost-user-test.c b/tests/vhost-user-test.c
index b3cc045765..2b5ca1c1b0 100644
--- a/tests/vhost-user-test.c
+++ b/tests/vhost-user-test.c
@@ -17,6 +17,7 @@
#include "qemu/range.h"
#include "qemu/sockets.h"
#include "chardev/char-fe.h"
+#include "qemu/memfd.h"
#include "sysemu/sysemu.h"
#include "libqos/libqos.h"
#include "libqos/pci-pc.h"
@@ -40,15 +41,14 @@
#define HAVE_MONOTONIC_TIME
#endif
-#define QEMU_CMD_MEM " -m %d -object memory-backend-file,id=mem,size=%dM,"\
+#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_MEMFD " -m %d -object memory-backend-memfd,id=mem,size=%dM,"
\
+ " -numa node,memdev=mem"
#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 QEMU_CMD_MEM QEMU_CMD_CHR \
- QEMU_CMD_NETDEV QEMU_CMD_NET
-
#define HUGETLBFS_MAGIC 0x958458f6
/*********** FROM hw/virtio/vhost-user.c *************************************/
@@ -159,6 +159,22 @@ typedef struct TestServer {
static const char *tmpfs;
static const char *root;
+static char *get_qemu_cmd(TestServer *s, int mem, const char *mem_path,
+ const char *chr_opts, const char *extra)
+{
+ if (qemu_memfd_check()) {
+ return g_strdup_printf(QEMU_CMD_MEMFD QEMU_CMD_CHR
+ QEMU_CMD_NETDEV QEMU_CMD_NET "%s", mem, mem,
+ s->chr_name, s->socket_path,
+ chr_opts, s->chr_name, extra);
+ } else {
+ return g_strdup_printf(QEMU_CMD_MEM QEMU_CMD_CHR
+ QEMU_CMD_NETDEV QEMU_CMD_NET "%s", mem, mem,
+ mem_path, s->chr_name, s->socket_path,
+ chr_opts, s->chr_name, extra);
+ }
+}
+
static void init_virtio_dev(TestServer *s)
{
QVirtioPCIDevice *dev;
@@ -477,14 +493,6 @@ 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;
@@ -628,7 +636,7 @@ static void test_migrate(void)
char *uri = g_strdup_printf("%s%s", "unix:", dest->mig_path);
QTestState *global = global_qtest, *from, *to;
GSource *source;
- gchar *cmd;
+ gchar *cmd, *tmp;
QDict *rsp;
guint8 *log;
guint64 size;
@@ -636,7 +644,7 @@ static void test_migrate(void)
test_server_listen(s);
test_server_listen(dest);
- cmd = GET_QEMU_CMDE(s, 2, "", "");
+ cmd = get_qemu_cmd(s, 2, root, "", "");
from = qtest_start(cmd);
g_free(cmd);
@@ -645,7 +653,9 @@ static void test_migrate(void)
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);
+ tmp = g_strdup_printf(" -incoming %s", uri);
+ cmd = get_qemu_cmd(dest, 2, root, "", tmp);
+ g_free(tmp);
to = qtest_init(cmd);
g_free(cmd);
@@ -751,7 +761,7 @@ static void test_reconnect_subprocess(void)
char *cmd;
g_thread_new("connect", connect_thread, s);
- cmd = GET_QEMU_CMDE(s, 2, ",server", "");
+ cmd = get_qemu_cmd(s, 2, root, ",server", "");
qtest_start(cmd);
g_free(cmd);
@@ -787,7 +797,7 @@ static void test_connect_fail_subprocess(void)
s->test_fail = true;
g_thread_new("connect", connect_thread, s);
- cmd = GET_QEMU_CMDE(s, 2, ",server", "");
+ cmd = get_qemu_cmd(s, 2, root, ",server", "");
qtest_start(cmd);
g_free(cmd);
@@ -815,7 +825,7 @@ static void test_flags_mismatch_subprocess(void)
s->test_flags = TEST_FLAGS_DISCONNECT;
g_thread_new("connect", connect_thread, s);
- cmd = GET_QEMU_CMDE(s, 2, ",server", "");
+ cmd = get_qemu_cmd(s, 2, root, ",server", "");
qtest_start(cmd);
g_free(cmd);
@@ -883,11 +893,21 @@ static void test_multiqueue(void)
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);
+ if (qemu_memfd_check()) {
+ cmd = g_strdup_printf(
+ QEMU_CMD_MEMFD QEMU_CMD_CHR QEMU_CMD_NETDEV ",queues=%d "
+ "-device virtio-net-pci,netdev=net0,mq=on,vectors=%d",
+ 512, 512, s->chr_name,
+ s->socket_path, "", s->chr_name,
+ queues, queues * 2 + 2);
+ } else {
+ 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);
@@ -953,7 +973,7 @@ int main(int argc, char **argv)
/* run the main loop thread so the chardev may operate */
thread = g_thread_new(NULL, thread_function, loop);
- qemu_cmd = GET_QEMU_CMD(server);
+ qemu_cmd = get_qemu_cmd(server, 512, root, "", "");
s = qtest_start(qemu_cmd);
g_free(qemu_cmd);
--
2.13.1.395.gf7b71de06
