[virtio-comment] Re: [PATCH v11 08/10] admin: command list discovery

[Stefan Hajnoczi <stefanha@redhat.com>]

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On Mon, Apr 03, 2023 at 11:03:49AM -0400, Michael S. Tsirkin wrote:
> Add commands to find out which commands does each group support,
> as well as enable their use by driver.
> This will be especially useful once we have multiple group types.
> 
> An alternative is per-type VQs. This is possible but will
> require more per-transport work. Discovery through the vq
> helps keep things contained.
> 
> e.g. lack of support for some command can switch to a legacy mode
> 
> note that commands are expected to be avolved by adding new
> fields to command specific data at the tail, so
> we generally do not need feature bits for compatibility.
> 
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> 
> ---
> dropped S.O.B by Max
> explain in commit log how commands will evolve, comment by Stefan
> replace will use with is capable of use, comment by Stefan
> typo fix reported by David and Lingshan
> rename cmds to cmd_opcodes suggested by Jiri
> list group_type explicitly in command description suggested by Jiri
> clarify how can device not support some commands
> always say group administration commands, comment by Jiri
> ---
>  admin.tex | 102 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
>  1 file changed, 101 insertions(+), 1 deletion(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

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