[Lguest] [PATCH 12/18] virtio_test: support used_event index
Michael S. Tsirkin
mst at redhat.com
Thu May 5 06:52:14 EST 2011
Add ability to test the new used_event feature,
enable by default.
Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
---
tools/virtio/virtio_test.c | 18 ++++++++++++++++--
1 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c
index 9e65e6d..157ec68 100644
--- a/tools/virtio/virtio_test.c
+++ b/tools/virtio/virtio_test.c
@@ -210,18 +210,29 @@ const struct option longopts[] = {
.val = 'i',
},
{
+ .name = "used-event-idx",
+ .val = 'U',
+ },
+ {
+ .name = "no-used-event-idx",
+ .val = 'u',
+ },
+ {
}
};
static void help()
{
- fprintf(stderr, "Usage: virtio_test [--help] [--no-indirect]\n");
+ fprintf(stderr, "Usage: virtio_test [--help]"
+ " [--no-indirect] "
+ " [--no-used-event-idx]\n");
}
int main(int argc, char **argv)
{
struct vdev_info dev;
- unsigned long long features = 1ULL << VIRTIO_RING_F_INDIRECT_DESC;
+ unsigned long long features = (1ULL << VIRTIO_RING_F_INDIRECT_DESC) |
+ (1ULL << VIRTIO_RING_F_USED_EVENT_IDX);
int o;
for (;;) {
@@ -238,6 +249,9 @@ int main(int argc, char **argv)
case 'i':
features &= ~(1ULL << VIRTIO_RING_F_INDIRECT_DESC);
break;
+ case 'u':
+ features &= ~(1ULL << VIRTIO_RING_F_USED_EVENT_IDX);
+ break;
default:
assert(0);
break;
--
1.7.5.53.gc233e
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