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References: <20181119110548.812-1-cohuck@redhat.com>
From: David Hildenbrand <david@redhat.com>
Message-ID: <45a93a3f-0c67-0384-d181-da78b312693c@redhat.com>
Date: Mon, 19 Nov 2018 15:13:58 +0100
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Subject: Re: [Qemu-devel] [qemu-s390x] [PATCH for-4.0] s390x: introduce 4.0
 compat machine
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To: Cornelia Huck <cohuck@redhat.com>, qemu-s390x@nongnu.org
Cc: Christian Borntraeger <borntraeger@de.ibm.com>, qemu-devel@nongnu.org, Richard Henderson <rth@twiddle.net>

On 19.11.18 12:05, Cornelia Huck wrote:
> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
> ---
>  hw/s390x/s390-virtio-ccw.c | 17 ++++++++++++++++-
>  include/hw/compat.h        |  3 +++
>  2 files changed, 19 insertions(+), 1 deletion(-)
> 
> diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
> index a0615a8b35..fd9d0b0542 100644
> --- a/hw/s390x/s390-virtio-ccw.c
> +++ b/hw/s390x/s390-virtio-ccw.c
> @@ -651,6 +651,9 @@ bool css_migration_enabled(void)
>      }                                                                         \
>      type_init(ccw_machine_register_##suffix)
>  
> +#define CCW_COMPAT_3_1 \
> +        HW_COMPAT_3_1
> +
>  #define CCW_COMPAT_3_0 \
>          HW_COMPAT_3_0
>  
> @@ -742,14 +745,26 @@ bool css_migration_enabled(void)
>              .value    = "0",\
>          },
>  
> +static void ccw_machine_4_0_instance_options(MachineState *machine)
> +{
> +}
> +
> +static void ccw_machine_4_0_class_options(MachineClass *mc)
> +{
> +}
> +DEFINE_CCW_MACHINE(4_0, "4.0", true);
> +
>  static void ccw_machine_3_1_instance_options(MachineState *machine)
>  {
> +    ccw_machine_4_0_instance_options(machine);
>  }
>  
>  static void ccw_machine_3_1_class_options(MachineClass *mc)
>  {
> +    ccw_machine_4_0_class_options(mc);
> +    SET_MACHINE_COMPAT(mc, CCW_COMPAT_3_1);
>  }
> -DEFINE_CCW_MACHINE(3_1, "3.1", true);
> +DEFINE_CCW_MACHINE(3_1, "3.1", false);
>  
>  static void ccw_machine_3_0_instance_options(MachineState *machine)
>  {
> diff --git a/include/hw/compat.h b/include/hw/compat.h
> index 6f4d5fc647..70958328fe 100644
> --- a/include/hw/compat.h
> +++ b/include/hw/compat.h
> @@ -1,6 +1,9 @@
>  #ifndef HW_COMPAT_H
>  #define HW_COMPAT_H
>  
> +#define HW_COMPAT_3_1 \
> +    /* empty */
> +
>  #define HW_COMPAT_3_0 \
>      /* empty */
>  
> 

Reviewed-by: David Hildenbrand <david@redhat.com>

-- 

Thanks,

David / dhildenb