[PATCHv2 05/14] virtio_test: support event index

Michael S. Tsirkin
2011-05-19T23:11:05Z

Add ability to test the new event idx feature,
enable by default.
---
tools/virtio/virtio_test.c | 19 +++++++++++++++++--
1 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c
index df0c6d2..74d3331 100644
--- a/tools/virtio/virtio_test.c
+++ b/tools/virtio/virtio_test.c
@@ -198,6 +198,14 @@ const struct option longopts[] = {
.val = 'h',
},
{
+ .name = "event-idx",
+ .val = 'E',
+ },
+ {
+ .name = "no-event-idx",
+ .val = 'e',
+ },
+ {
.name = "indirect",
.val = 'I',
},
@@ -211,13 +219,17 @@ const struct option longopts[] = {

static void help()
{
- fprintf(stderr, "Usage: virtio_test [--help] [--no-indirect]\n");
+ fprintf(stderr, "Usage: virtio_test [--help]"
+ " [--no-indirect]"
+ " [--no-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_EVENT_IDX);
int o;

for (;;) {
@@ -228,6 +240,9 @@ int main(int argc, char **argv)
case '?':
help();
exit(2);
+ case 'e':
+ features &= ~(1ULL << VIRTIO_RING_F_EVENT_IDX);
+ break;
case 'h':
help();
goto done;
--
1.7.5.53.gc233e