GNU bug report logs - #29409
GuixSD ARM port.

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From: ludo <at> gnu.org (Ludovic Courtès)
To: m.othacehe <at> gmail.com
Cc: 29409 <at> debbugs.gnu.org
Subject: [bug#29409] [PATCH] build: vm: Use qemu drive device parameter.
Date: Fri, 08 Dec 2017 10:38:49 +0100

m.othacehe <at> gmail.com skribis:

> From: Mathieu Othacehe <m.othacehe <at> gmail.com>
>
> * gnu/build/vm.scm (load-in-linux-vm): As per network arguments, use device
> parameter to define drive device.
> ---
>  gnu/build/vm.scm | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/gnu/build/vm.scm b/gnu/build/vm.scm
> index 9e868f6..96c57ab 100644
> --- a/gnu/build/vm.scm
> +++ b/gnu/build/vm.scm
> @@ -126,10 +126,11 @@ the #:references-graphs parameter of 'derivation'."
>                    "-initrd" initrd
>                    "-append" (string-append "console=ttyS0 --load="
>                                             builder)
> +                  "-device" "virtio-blk,drive=hd"
>                    (append
>                     (if make-disk-image?
> -                       `("-drive" ,(string-append "file=" output
> -                                                  ",if=virtio"))
> +                       `("-drive" ,(string-append "if=none,file=" output
> +                                                  ",id=hd"))

Is there a difference between ‘virtio’ and ‘virtio-blk’?

If confess I always have a hard time parsing QEMU’s command-line
options, but as long as it still works, it LGTM.  :-)

Thanks,
Ludo’.

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