On Wed, 6 Mar 2019 21:36:57 +0800 Heyi Guo <[email protected]> wrote:
> After the introduction of generic PCIe root port and PCIe-PCI bridge, > we will also have SHPC controller on ARM, so just enable SHPC native > hot plug. > > Cc: Shannon Zhao <[email protected]> > Cc: Peter Maydell <[email protected]> > Cc: "Michael S. Tsirkin" <[email protected]> > Cc: Igor Mammedov <[email protected]> > Reviewed-by: Michael S. Tsirkin <[email protected]> > Signed-off-by: Heyi Guo <[email protected]> Reviewed-by: Igor Mammedov <[email protected]> > --- > hw/arm/virt-acpi-build.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c > index cebec4c..b6fef28 100644 > --- a/hw/arm/virt-acpi-build.c > +++ b/hw/arm/virt-acpi-build.c > @@ -265,7 +265,12 @@ static void acpi_dsdt_add_pci(Aml *scope, const > MemMapEntry *memmap, > aml_create_dword_field(aml_arg(3), aml_int(8), "CDW3")); > aml_append(ifctx, aml_store(aml_name("CDW2"), aml_name("SUPP"))); > aml_append(ifctx, aml_store(aml_name("CDW3"), aml_name("CTRL"))); > - aml_append(ifctx, aml_and(aml_name("CTRL"), aml_int(0x1D), > + > + /* > + * Allow OS control for all 5 features: > + * PCIeHotplug SHPCHotplug PME AER PCIeCapability. > + */ > + aml_append(ifctx, aml_and(aml_name("CTRL"), aml_int(0x1F), > aml_name("CTRL"))); > > ifctx1 = aml_if(aml_lnot(aml_equal(aml_arg(1), aml_int(0x1))));
