On Fri, 10 Apr 2020 19:46:31 +0800
Dongjiu Geng <gengdongjiu@xxxxxxxxxx> wrote:
> RAS Virtualization feature is not supported now, so
> add a RAS machine option and disable it by default.
>
> Reviewed-by: Peter Maydell <peter.maydell@xxxxxxxxxx>
> Signed-off-by: Dongjiu Geng <gengdongjiu@xxxxxxxxxx>
> Signed-off-by: Xiang Zheng <zhengxiang9@xxxxxxxxxx>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Reviewed-by: Igor Mammedov <imammedo@xxxxxxxxxx>
> ---
> hw/arm/virt.c | 23 +++++++++++++++++++++++
> include/hw/arm/virt.h | 1 +
> 2 files changed, 24 insertions(+)
>
> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> index 7dc96ab..20409b9 100644
> --- a/hw/arm/virt.c
> +++ b/hw/arm/virt.c
> @@ -1960,6 +1960,20 @@ static void virt_set_acpi(Object *obj, Visitor *v, const char *name,
> visit_type_OnOffAuto(v, name, &vms->acpi, errp);
> }
>
> +static bool virt_get_ras(Object *obj, Error **errp)
> +{
> + VirtMachineState *vms = VIRT_MACHINE(obj);
> +
> + return vms->ras;
> +}
> +
> +static void virt_set_ras(Object *obj, bool value, Error **errp)
> +{
> + VirtMachineState *vms = VIRT_MACHINE(obj);
> +
> + vms->ras = value;
> +}
> +
> static char *virt_get_gic_version(Object *obj, Error **errp)
> {
> VirtMachineState *vms = VIRT_MACHINE(obj);
> @@ -2284,6 +2298,15 @@ static void virt_instance_init(Object *obj)
> "Valid values are none and smmuv3",
> NULL);
>
> + /* Default disallows RAS instantiation */
> + vms->ras = false;
> + object_property_add_bool(obj, "ras", virt_get_ras,
> + virt_set_ras, NULL);
> + object_property_set_description(obj, "ras",
> + "Set on/off to enable/disable reporting host memory errors "
> + "to a KVM guest using ACPI and guest external abort exceptions",
> + NULL);
> +
> vms->irqmap = a15irqmap;
>
> virt_flash_create(vms);
> diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h
> index 60b2f52..6401662 100644
> --- a/include/hw/arm/virt.h
> +++ b/include/hw/arm/virt.h
> @@ -131,6 +131,7 @@ typedef struct {
> bool highmem_ecam;
> bool its;
> bool virt;
> + bool ras;
> OnOffAuto acpi;
> VirtGICType gic_version;
> VirtIOMMUType iommu;
