On 2017/2/9 20:53, Alexander Graf wrote:
> Virtio-mmio devices can directly access guest memory and do so in cache
> coherent fashion. Tell the guest about that fact when it's using ACPI.
>
> Signed-off-by: Alexander Graf <ag...@suse.de>
> ---
> hw/arm/virt-acpi-build.c | 1 +
> 1 file changed, 1 insertion(+)
>
Reviewed-by: Shannon Zhao <shannon.z...@linaro.org>
> diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
> index 07a10ac..8955a9d 100644
> --- a/hw/arm/virt-acpi-build.c
> +++ b/hw/arm/virt-acpi-build.c
> @@ -135,6 +135,7 @@ static void acpi_dsdt_add_virtio(Aml *scope,
> Aml *dev = aml_device("VR%02u", i);
> aml_append(dev, aml_name_decl("_HID", aml_string("LNRO0005")));
> aml_append(dev, aml_name_decl("_UID", aml_int(i)));
> + aml_append(dev, aml_name_decl("_CCA", aml_int(1)));
>
> Aml *crs = aml_resource_template();
> aml_append(crs, aml_memory32_fixed(base, size, AML_READ_WRITE));
>
--
Shannon
