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Diffstat (limited to 'cl-os.tex')
| -rw-r--r-- | cl-os.tex | 56 |
1 files changed, 56 insertions, 0 deletions
@@ -76,3 +76,59 @@ This resolves VIRTIO-146. See \ref{sec:Transition from earlier specification drafts}. } \\ \hline +554 & 16 Feb 2016 & Thomas Huth & {virtio-net: fix inconsistent legacy header size + + Current text says: + The legacy driver only presented num_buffers in the struct + virtio_net_hdr when VIRTIO_NET_F_MRG_RXBUF was not negotiated; + + Should be: + "\dots was negotiated \dots" instead of "\dots was not negotiated \dots" + + To be consistent with the following: + without that feature the structure was 2 bytes shorter. + +See \ref{sec:Device Types / Network Device / Device Operation / Legacy Interface: Device Operation}. +} \\ +\hline +555 & 16 Feb 2016 & Michael S. Tsirkin & {virtio header: tweak +change motivation + + The changes are not just to remove Linux assumptions, + we have also renamed ring->queue. + Tweak the header description accordingly. + +See \ref{sec:Basic Facilities of a Virtio Device / Virtqueues / Helpers for Operating Virtqueues}. +} \\ +\hline +558 & 16 Feb 2016 & Michael S. Tsirkin & {rename virtio_ring.h to virtio_queue.h + + Since vring* and VRING* have been replaced with virtq* and VIRTQ* + respectively, rename the header virtio_ring.h to virtio_queue.h. + +See \ref{sec:virtio-queue.h}. +} \\ +\hline +559 & 16 Feb 2016 & Michael S. Tsirkin & {init: sort status bits + + Status bit order is inconsistent: they are neither in increasing + order nor in the order they are likely to be used. + + The second approach seems more useful since there aren't + that many bits, so the numerical order does not help much. + + A typical order of use would be: + +\begin{itemize} +\item ACKNOWLEDGE +\item DRIVER +\item then either FAILED or FEATURES_OK +\item then either FAILED or DRIVER_OK +\item then DEVICE_NEEDS_RESET (if device detects an error) +\end{itemize} + + Sort the bits accordingly. + +See \ref{sec:Basic Facilities of a Virtio Device / Device Status Field}. +} \\ +\hline |