[PATCHv2 05/14] virtio_test: support event index
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From: Michael S. Tsirkin <hidden>
Date: 2011-05-19 23:11:36
Also in:
kvm, lkml
Subsystem:
the rest, virtio core · Maintainers:
Linus Torvalds, "Michael S. Tsirkin", Jason Wang, Eugenio Pérez
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