From 887e8e9d3a4578059bd0a213e9b3cae81943dc18 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Wed, 8 Jun 2022 09:53:25 -0400 Subject: acpi: q35: isa bridge: use AcpiDevAmlIf interface to build ISA device descriptors replaces adhoc build_isa_devices_aml() with generic AcpiDevAmlIf way to build bridge AML including all devices that are attached to its ISA bus. Later when PCI is converted to AcpiDevAmlIf, build_q35_isa_bridge() will also be dropped since PCI parts itself will take care of building device prologue/epilogue AML for each enumerated PCI device. Expected AML change is contextual, where ISA devices are moved from separately declared _SB.PCI0.ISA scope, directly under Device(ISA) node. Signed-off-by: Igor Mammedov Acked-by: Gerd Hoffmann Message-Id: <20220608135340.3304695-21-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/isa/lpc_ich9.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'hw/isa') diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c index 5f143dc..4553b59 100644 --- a/hw/isa/lpc_ich9.c +++ b/hw/isa/lpc_ich9.c @@ -50,6 +50,7 @@ #include "hw/core/cpu.h" #include "hw/nvram/fw_cfg.h" #include "qemu/cutils.h" +#include "hw/acpi/acpi_aml_interface.h" /*****************************************************************************/ /* ICH9 LPC PCI to ISA bridge */ @@ -803,12 +804,28 @@ static void ich9_send_gpe(AcpiDeviceIf *adev, AcpiEventStatusBits ev) acpi_send_gpe_event(&s->pm.acpi_regs, s->pm.irq, ev); } +static void build_ich9_isa_aml(AcpiDevAmlIf *adev, Aml *scope) +{ + BusChild *kid; + ICH9LPCState *s = ICH9_LPC_DEVICE(adev); + BusState *bus = BUS(s->isa_bus); + + /* ICH9 PCI to ISA irq remapping */ + aml_append(scope, aml_operation_region("PIRQ", AML_PCI_CONFIG, + aml_int(0x60), 0x0C)); + + QTAILQ_FOREACH(kid, &bus->children, sibling) { + call_dev_aml_func(DEVICE(kid->child), scope); + } +} + static void ich9_lpc_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass); AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_CLASS(klass); + AcpiDevAmlIfClass *amldevc = ACPI_DEV_AML_IF_CLASS(klass); set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); dc->reset = ich9_lpc_reset; @@ -833,6 +850,7 @@ static void ich9_lpc_class_init(ObjectClass *klass, void *data) adevc->ospm_status = ich9_pm_ospm_status; adevc->send_event = ich9_send_gpe; adevc->madt_cpu = pc_madt_cpu_entry; + amldevc->build_dev_aml = build_ich9_isa_aml; } static const TypeInfo ich9_lpc_info = { @@ -845,6 +863,7 @@ static const TypeInfo ich9_lpc_info = { { TYPE_HOTPLUG_HANDLER }, { TYPE_ACPI_DEVICE_IF }, { INTERFACE_CONVENTIONAL_PCI_DEVICE }, + { TYPE_ACPI_DEV_AML_IF }, { } } }; -- cgit v1.1