From: Sasha Levin Date: Thu, 17 Nov 2011 13:53:26 +0000 (+0200) Subject: kvm tools: Add event idx support to virtio-blk X-Git-Tag: next-20111121~2^2 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e1b4024a7ebf9d8235584d0d43f16cce9b8c0432;p=karo-tx-linux.git kvm tools: Add event idx support to virtio-blk Signed-off-by: Sasha Levin Signed-off-by: Pekka Enberg --- diff --git a/tools/kvm/virtio/blk.c b/tools/kvm/virtio/blk.c index ed4e0991dd11..9495f283bae4 100644 --- a/tools/kvm/virtio/blk.c +++ b/tools/kvm/virtio/blk.c @@ -93,7 +93,8 @@ void virtio_blk_complete(void *param, long len) virt_queue__set_used_elem(req->vq, req->head, len); mutex_unlock(&bdev->mutex); - bdev->vtrans.trans_ops->signal_vq(req->kvm, &bdev->vtrans, queueid); + if (virtio_queue__should_signal(&bdev->vqs[queueid])) + bdev->vtrans.trans_ops->signal_vq(req->kvm, &bdev->vtrans, queueid); virtio_blk_req_push(req->bdev, req); } @@ -170,7 +171,9 @@ static u8 get_config(struct kvm *kvm, void *dev, u32 offset) static u32 get_host_features(struct kvm *kvm, void *dev) { - return 1UL << VIRTIO_BLK_F_SEG_MAX | 1UL << VIRTIO_BLK_F_FLUSH; + return 1UL << VIRTIO_BLK_F_SEG_MAX + | 1UL << VIRTIO_BLK_F_FLUSH + | 1UL << VIRTIO_RING_F_EVENT_IDX; } static void set_guest_features(struct kvm *kvm, void *dev, u32 features)