Commit 4423fe40 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin Committed by Rusty Russell

virtio_test: support event index

Add ability to test the new event idx feature,
enable by default.
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent 8ea8cf89
...@@ -197,6 +197,14 @@ const struct option longopts[] = { ...@@ -197,6 +197,14 @@ const struct option longopts[] = {
.name = "help", .name = "help",
.val = 'h', .val = 'h',
}, },
{
.name = "event-idx",
.val = 'E',
},
{
.name = "no-event-idx",
.val = 'e',
},
{ {
.name = "indirect", .name = "indirect",
.val = 'I', .val = 'I',
...@@ -211,13 +219,17 @@ const struct option longopts[] = { ...@@ -211,13 +219,17 @@ const struct option longopts[] = {
static void help() 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) int main(int argc, char **argv)
{ {
struct vdev_info dev; 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; int o;
for (;;) { for (;;) {
...@@ -228,6 +240,9 @@ int main(int argc, char **argv) ...@@ -228,6 +240,9 @@ int main(int argc, char **argv)
case '?': case '?':
help(); help();
exit(2); exit(2);
case 'e':
features &= ~(1ULL << VIRTIO_RING_F_EVENT_IDX);
break;
case 'h': case 'h':
help(); help();
goto done; goto done;
......
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