[PATCH 1/2] VIRTIO-28: Deprecate balloon device, add number for new one.

Signed-off-by: Rusty Russell <> ---  content.tex
22 +++++++++++

-----------

1 file changed, 11 insertions(+), 11 deletions(-)  diff --git a/content.tex b/content.tex index 6b7dfdc..0e264f5 100644 --- a/content.tex +++ b/content.tex @@ -2655,7 +2655,7 @@ Device ID  &  Virtio Device
\  hline  4
&  entropy source
\  hline -5
& memory ballooning  \ +5
& memory ballooning (legacy)  \  hline  6
&
ioMemory
\  hline @@ -2671,6 +2671,8 @@ Device ID  &  Virtio Device
\  hline  12
&
virtio CAIF
\  hline +13
&  memory balloon
\ +hline  16
&
GPU device
\  hline  end{tabular} @@ -3909,7 +3911,12 @@ how many random bytes were received.  The device MUST place one or more random bytes into the buffer, but it  MAY use less than the entire buffer length.
-section{Memory Balloon Device}label{sec:Device Types / Memory Balloon Device} +section{Legacy Interface: Memory Balloon Device}label{sec:Device Types / Memory Balloon Device} + +This device is deprecated, and thus only exists as a legacy device +illustrated here for reference.  The device number 13 is reserved for +a new memory balloon interface which is expected in a future version +of the standard.
The virtio memory balloon device is a primitive device for  managing guest memory: the device asks for a certain amount of @@ -3951,7 +3958,6 @@ struct virtio_balloon_config {  };  end{lstlisting}
-subsubsection{Legacy Interface: Device configuration layout}label{sec:Device Types / Memory Balloon Device / Device configuration layout / Legacy Interface: Device configuration layout}  Note that these fields are always little endian, despite convention  that legacy device fields are guest endian.
@@ -4044,7 +4050,6 @@ as follows:
compatibility, unsupported statistics should be omitted.
egin{lstlisting} -/* Note: LEGACY version was not little endian! */  struct virtio_balloon_stat {  #define VIRTIO_BALLOON_S_SWAP_IN  0  #define VIRTIO_BALLOON_S_SWAP_OUT 1 @@ -4052,16 +4057,11 @@ struct virtio_balloon_stat {  #define VIRTIO_BALLOON_S_MINFLT
3  #define VIRTIO_BALLOON_S_MEMFREE  4  #define VIRTIO_BALLOON_S_MEMTOT
5 -
le16 tag; -
le64 val; +
u16 tag; +
u64 val;  } __attribute__((packed));  end{lstlisting}
-paragraph{Legacy Interface: Memory Statistics}label{sec:Device Types / Memory Balloon Device / Device Operation / Memory Statistics / Legacy Interface: Memory Statistics} -For legacy devices, the fields in struct virtio_balloon_stat are the -native endian of the guest rather than (necessarily) little-endian. - -  subsubsection{Memory Statistics Tags}label{sec:Device Types / Memory Balloon Device / Device Operation / Memory Statistics Tags}
egin{description} --  1.8.3.2