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virtio_test: support event index 

Add ability to test the new event idx feature,
enable by default.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Michael S. Tsirkin 2011-05-20 02:11:05 +03:00 committed by Rusty Russell
parent 8ea8cf89e1
commit 4423fe40b0
1 changed files with 17 additions and 2 deletions
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19
tools/virtio/virtio_test.c
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@ -197,6 +197,14 @@ const struct option longopts[] = {
.name = "help",
.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;