[Qemu-devel] Re: [PATCH] Add support for a configuration file

[Anthony Liguori]

Anthony Liguori wrote:
> I think this is pretty useful as-is.  I think it also gives us a reasonable
> way to move forward that will keep everyone pretty happy.
>
> Here's a short example:
>
> qemu-system-x86_64 -hda ~/images/linux.img -snapshot -vnc :2
>
> Would become `foo.qemu':
>
>  # Main disk image
>  hda=/home/anthony/images/linux.img
>
>  # Redirect disk writes to a temporary image
>  snapshot
>
>  # Make the graphical display available on port 5902
>  vnc=:2
>
> With:
>
> qemu-system-x86_64 -config foo.qemu

One thought I had, is that it would be very nice to break up the -drive 
file=foo.img,if=scsi syntax within the config file.  In general, I'm 
thinking something like:

[drive]
file=foo.img
if=scsi

or:

drive {
  file=foo.img
  if=scsi
}

or even:

drive:
  file=foo.img
  if=scsi

Basically, I'm looking for a syntax for sub-options.  This would be 
useful for -drive or -net but I also think would lay the foundations for 
specifying a full machine config.

It would get very unwieldy on the command line to have a large number of 
suboptions but it works reasonably well within a config.

Regards,

Anthony Liguori