Commit-ID: e1b4024a7ebf9d8235584d0d43f16cce9b8c0432
Gitweb: http://git.kernel.org/tip/e1b4024a7ebf9d8235584d0d43f16cce9b8c0432
Author: Sasha Levin <levinsasha928@xxxxxxxxx>
AuthorDate: Thu, 17 Nov 2011 15:53:26 +0200
Committer: Pekka Enberg <penberg@xxxxxxxxxx>
CommitDate: Fri, 18 Nov 2011 08:43:01 +0200
kvm tools: Add event idx support to virtio-blk
Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx>
Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxx>
---
tools/kvm/virtio/blk.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/tools/kvm/virtio/blk.c b/tools/kvm/virtio/blk.c
index ed4e099..9495f28 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)
--
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