virtio — archive

[PATCH v11 00/10] Introduce device group and device management

From: Stefan Hajnoczi <[email protected]>
To: [email protected]
Date: Tue, 04 Apr 2023 11:51:00 -0000

On Mon, Apr 03, 2023 at 11:03:16AM -0400, Michael S. Tsirkin wrote: > This introduces a general structure for group administration commands, > used to control device groups through their owner. > > Following patches will introduce specific commands and an interface for > submitting these commands to the owner. > > Note that the commands are focused on controlling device groups: > this is why group related fields are in the generic part of > the structure. > Without this the admin vq would become a "whatever" vq which does not do > anything specific at all, just a general transport like thing. > I feel going this way opens the design space to the point where > we no longer know what belongs in e.g. config space > what in the control q and what in the admin q. > As it is, whatever deals with groups is in the admin q; other > things not in the admin q. > > There are specific exceptions such as query but that's an exception that > proves the rule ;) > > Signed-off-by: Michael S. Tsirkin <[email protected]> > --- > > changes since v10: > explain the role of status vs status_qualifier, addresses > multiple comments > add more status values and appropriate qualifiers, > as suggested by Parav > clarify reserved command opcodes as suggested by Stefan > better formatting for ranges, comment by Jiri > make sure command-specific-data is a multiple of qword, > so things are aligned, suggested by Jiri > add Q_OK qualifier for success > --- > admin.tex | 121 +++++++++++++++++++++++++++++++++++++++++++++++ > introduction.tex | 3 ++ > 2 files changed, 124 insertions(+) My thoughts on status/status_qualifier haven't changed, but it's a question of taste: Reviewed-by: Stefan Hajnoczi <[email protected]>