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Subject: Re: [virtio] [PATCH v3] initialization: add extra device status handshake
On Tue, Oct 08, 2013 at 11:13:55AM +0200, Cornelia Huck wrote: > On Tue, 8 Oct 2013 11:47:06 +0300 > "Michael S. Tsirkin" <mst@redhat.com> wrote: > > > From: Rusty Russell <rusty@au1.ibm.com> > > > > 2.2.1: FEATURES_OK. > > > > Based on MST's ideas, but a bit simpler. VIRTIO-30. > > > > Signed-off-by: Rusty Russell <rusty@au1.ibm.com> > > Signed-off-by: Michael S. Tsirkin <mst@redhat.com> > > > > --- > > > > This is just a repost of what Rusty sent, to make it easier > > for people to review and vote on. > > > > diff --git a/virtio-v1.0-wd01-part1-specification.txt b/virtio-v1.0-wd01-part1-specification.txt > > index b4298bb..938abb8 100644 > > --- a/virtio-v1.0-wd01-part1-specification.txt > > +++ b/virtio-v1.0-wd01-part1-specification.txt > > > @@ -444,23 +447,49 @@ how to communicate with the specific device. > > > > 3. The DRIVER status bit is set: we know how to drive the device. > > > > -4. Device-specific setup, including reading the device feature > > - bits, discovery of virtqueues for the device, optional per-bus > > - setup, and reading and possibly writing the device's virtio > > - configuration space. > > +4. Device feature bits are read, and the the subset of feature bits > > Typo: s/the the/the/ Thanks! I won't repost just for this since we have the rule that typos can be fixed silently. > > + understood by the OS and driver is written to the device. > > + > > +5. The FEATURES_OK status bit is set. > >
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