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Re: [Qemu-devel] [PATCH RFC v6 05/20] virtio: support more feature bits


From: David Gibson
Subject: Re: [Qemu-devel] [PATCH RFC v6 05/20] virtio: support more feature bits
Date: Thu, 22 Jan 2015 12:43:43 +1100
User-agent: Mutt/1.5.23 (2014-03-12)

On Thu, Dec 11, 2014 at 02:25:07PM +0100, Cornelia Huck wrote:
> With virtio-1, we support more than 32 feature bits. Let's extend both
> host and guest features to 64, which should suffice for a while.
> 
> vhost and migration have been ignored for now.

[snip]

> diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
> index f6c0379..08141c7 100644
> --- a/include/hw/virtio/virtio.h
> +++ b/include/hw/virtio/virtio.h
> @@ -55,6 +55,12 @@
>  /* A guest should never accept this.  It implies negotiation is broken. */
>  #define VIRTIO_F_BAD_FEATURE         30
>  
> +/* v1.0 compliant. */
> +#define VIRTIO_F_VERSION_1              32

This is already in the kernel header, isn't it?

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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