Re: [Qemu-devel] [qemu RFC v2] qapi: add "firmware.json"

[Paolo Bonzini]

On 18/04/2018 00:40, Laszlo Ersek wrote:
> +#
> +# Lists firmware types commonly used with QEMU virtual machines.
> +#
> +# @bios: The firmware was built from the SeaBIOS project.
> +#
> +# @slof: The firmware was built from the Slimline Open Firmware project.
> +#
> +# @uboot: The firmware was built from the U-Boot project.
> +#
> +# @uefi: The firmware was built from the edk2 (EFI Development Kit II) 
> project.
> +#
> +# Since: 2.13
> +##
> +{ 'enum' : 'FirmwareType',
> +  'data' : [ 'bios', 'slof', 'uboot', 'uefi' ] }

A very basic question (so not likely a suggestion for change).  Why
wouldn't these be features too?  For example a UEFI with CSM could
expose both uefi and bios, a u-boot with UEFI support could expose both
uboot and uefi, etc.

Perhaps there are two dimensions, the FirmwareType tells you how to
configure it and the FirmwareFeature tells you the APIs it exposes to
the guest?

Paolo