Messages in this thread Patch in this message | | | From | Sjur Brændeland <> | Subject | [RFC virtio-next 2/4] include/vring.h: Add support for reversed vritio rings. | Date | Wed, 31 Oct 2012 23:46:52 +0100 |
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From: Sjur Brændeland <sjur.brandeland@stericsson.com>
Add last avilable index to the vring_virtqueue structure, this is done to prepare for implementation of the reversed vring.
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> --- drivers/virtio/vring.h | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/virtio/vring.h b/drivers/virtio/vring.h index b997fc3..3b53961 100644 --- a/drivers/virtio/vring.h +++ b/drivers/virtio/vring.h @@ -51,6 +51,9 @@ struct vring_virtqueue /* Last used index we've seen. */ u16 last_used_idx; + /* Last avail index seen. NOTE: Only used for reversed rings.*/ + u16 last_avail_idx; + /* How to notify other side. FIXME: commonalize hcalls! */ void (*notify)(struct virtqueue *vq); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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