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    Subject[PATCH 13/18] virtio_test: avail_event index support
    Add ability to test the new avail_event feature,
    enable by default.

    Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
    ---
    tools/virtio/virtio_test.c | 17 +++++++++++++++--
    1 files changed, 15 insertions(+), 2 deletions(-)

    diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c
    index 157ec68..8adf55d 100644
    --- a/tools/virtio/virtio_test.c
    +++ b/tools/virtio/virtio_test.c
    @@ -202,6 +202,14 @@ const struct option longopts[] = {
    .val = 'h',
    },
    {
    + .name = "avail-event-idx",
    + .val = 'A',
    + },
    + {
    + .name = "no-avail-event-idx",
    + .val = 'a',
    + },
    + {
    .name = "indirect",
    .val = 'I',
    },
    @@ -224,7 +232,8 @@ const struct option longopts[] = {
    static void help()
    {
    fprintf(stderr, "Usage: virtio_test [--help]"
    - " [--no-indirect] "
    + " [--no-indirect]"
    + " [--no-avail-event-idx]"
    " [--no-used-event-idx]\n");
    }

    @@ -232,7 +241,8 @@ int main(int argc, char **argv)
    {
    struct vdev_info dev;
    unsigned long long features = (1ULL << VIRTIO_RING_F_INDIRECT_DESC) |
    - (1ULL << VIRTIO_RING_F_USED_EVENT_IDX);
    + (1ULL << VIRTIO_RING_F_USED_EVENT_IDX) |
    + (1ULL << VIRTIO_RING_F_AVAIL_EVENT_IDX);
    int o;

    for (;;) {
    @@ -243,6 +253,9 @@ int main(int argc, char **argv)
    case '?':
    help();
    exit(2);
    + case 'a':
    + features &= ~(1ULL << VIRTIO_RING_F_AVAIL_EVENT_IDX);
    + break;
    case 'h':
    help();
    goto done;
    --
    1.7.5.53.gc233e


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