This patch adds a new subtest, it hotplugs 29 * 8 = 232 virtio-blk
devices to guest, and try to hot-unplug them.
Note: the hot-unplug can't work without cooperation of guest OS.
Signed-off-by: Amos Kong <ak...@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
---
tests/virtio-blk-test.c | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/tests/virtio-blk-test.c b/tests/virtio-blk-test.c
index 0fdec01..7358203 100644
--- a/tests/virtio-blk-test.c
+++ b/tests/virtio-blk-test.c
@@ -7,11 +7,41 @@
* See the COPYING file in the top-level directory.
*/
+#include <stdio.h>
#include <glib.h>
#include <string.h>
#include "libqtest.h"
#include "qemu/osdep.h"
+static void test_blk_hotplug(void)
+{
+ int i, j;
+
+ /* start with no network/block device, slots 3~0x1f are free */
+ qtest_start("-net none");
+
+ for (i = 3; i <= 0x1f; i++) {
+ for (j = 7; j >= 0; j--) {
+ qmp_exec_hmp_cmd("OK\r\n",
+ "drive_add 0 if=none,file=/dev/null,id=drv-%x.%x",
+ i, j);
+ qmp_exec_hmp_cmd("",
+ "device_add
virtio-blk-pci,id=dev-%x.%x,drive=drv-%x.%x,"
+ "addr=0x%x.%x,multifunction=on", i, j, i, j, i, j);
+ }
+ }
+
+ /* hot-unplug doesn't work without cooperation of guest OS */
+ for (i = 3; i <= 0x1f; i++) {
+ for (j = 7; j >= 0; j--) {
+ qmp_exec_hmp_cmd("", "drive_del drv-%x.%x", i, j);
+ qmp_exec_hmp_cmd("", "device_del dev-%x.%x", i, j);
+ }
+ }
+
+ qtest_end();
+}
+
/* Tests only initialization */
static void virtblk_init(void)
{
@@ -26,6 +56,7 @@ int main(int argc, char **argv)
g_test_init(&argc, &argv, NULL);
qtest_add_func("/virtio/blk/pci/init", virtblk_init);
+ qtest_add_func("/virtio/blk/pci/hotplug", test_blk_hotplug);
ret = g_test_run();
--
1.9.3
