| Message ID | 1486644810-33181-4-git-send-email-agraf@suse.de |
|---|---|
| State | New |
| Headers | show |
On 2017/2/9 20:53, Alexander Graf wrote: > Fw-cfg recently learned how to directly access guest memory and does so in > cache coherent fashion. Tell the guest about that fact when it's using ACPI. > > Signed-off-by: Alexander Graf <agraf@suse.de> > --- > hw/arm/virt-acpi-build.c | 1 + > 1 file changed, 1 insertion(+) > Reviewed-by: Shannon Zhao <shannon.zhao@linaro.org> > diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c > index 8955a9d..0835e59 100644 > --- a/hw/arm/virt-acpi-build.c > +++ b/hw/arm/virt-acpi-build.c > @@ -90,6 +90,7 @@ static void acpi_dsdt_add_fw_cfg(Aml *scope, const MemMapEntry *fw_cfg_memmap) > aml_append(dev, aml_name_decl("_HID", aml_string("QEMU0002"))); > /* device present, functioning, decoding, not shown in UI */ > aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); > + aml_append(dev, aml_name_decl("_CCA", aml_int(1))); > > Aml *crs = aml_resource_template(); > aml_append(crs, aml_memory32_fixed(fw_cfg_memmap->base, >
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 8955a9d..0835e59 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -90,6 +90,7 @@ static void acpi_dsdt_add_fw_cfg(Aml *scope, const MemMapEntry *fw_cfg_memmap) aml_append(dev, aml_name_decl("_HID", aml_string("QEMU0002"))); /* device present, functioning, decoding, not shown in UI */ aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); + aml_append(dev, aml_name_decl("_CCA", aml_int(1))); Aml *crs = aml_resource_template(); aml_append(crs, aml_memory32_fixed(fw_cfg_memmap->base,
Fw-cfg recently learned how to directly access guest memory and does so in cache coherent fashion. Tell the guest about that fact when it's using ACPI. Signed-off-by: Alexander Graf <agraf@suse.de> --- hw/arm/virt-acpi-build.c | 1 + 1 file changed, 1 insertion(+)