Re: [PATCH RFCv3 7/9] s390x: prepare device memory address space

[Cornelia Huck <cohuck@redhat.com>]

On Fri, 24 Jul 2020 16:37:48 +0200
David Hildenbrand <david@redhat.com> wrote:

> Let's allocate the device memory information and setup the device
> memory address space. The RAM size returned via SCLP is not modified. Guest
> OSs which support memory devices (like virtio-mem) are expected to
> consult diag500(4).
> 
> Signed-off-by: David Hildenbrand <david@redhat.com>
> ---
>  hw/s390x/s390-virtio-ccw.c         | 37 ++++++++++++++++++++++++++++++
>  hw/s390x/sclp.c                    |  6 ++++-
>  include/hw/s390x/s390-virtio-ccw.h |  3 +++
>  3 files changed, 45 insertions(+), 1 deletion(-)
> 

(...)

> @@ -783,8 +817,11 @@ static void ccw_machine_5_0_instance_options(MachineState *machine)
>  
>  static void ccw_machine_5_0_class_options(MachineClass *mc)
>  {
> +    S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
> +
>      ccw_machine_5_1_class_options(mc);
>      compat_props_add(mc->compat_props, hw_compat_5_0, hw_compat_5_0_len);
> +    s390mc->memory_devices_allowed = false;

I guess that needs to go one version up. (I plan to send the 5.2
machines patch in the next days.)

>  }
>  DEFINE_CCW_MACHINE(5_0, "5.0", false);

(...)