From: Anthony Liguori <aliguori@us.ibm.com>
Date: Mon, 28 Jan 2008 15:59:59 +0000 (-0600)
Subject: virtio: Use PCI revision field to indicate virtio PCI ABI version
X-Git-Tag: v2.6.25-rc1~1058^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=55a7c066041e7850948d29ed813f62821a9ec046;p=pandora-kernel.git

virtio: Use PCI revision field to indicate virtio PCI ABI version

As Avi pointed out, as we continue to massage the virtio PCI ABI, we can make
things a little more friendly to users by utilizing the PCI revision field to
indicate which version of the ABI we're using.  This is a hard ABI version
and incrementing it will cause the guest driver to break.

This is the necessary changes to virtio_pci to support this.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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