From: Michael S. Tsirkin <mst@redhat.com>
Date: Thu, 11 Dec 2014 11:59:51 +0000 (+0200)
Subject: virtio_pci: modern driver
X-Git-Tag: fixes-v4.0-rc1~61^2~66
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1fcf0512c9c870e78e1c9898ecb9458593403466;p=pandora-kernel.git

virtio_pci: modern driver

Lightly tested against qemu.

One thing *not* implemented here is separate mappings
for descriptor/avail/used rings. That's nice to have,
will be done later after we have core support.

This also exposes the PCI layout to userspace, and
adds macros for PCI layout offsets:

QEMU wants it, so why not?  Trust, but verify.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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