@@ -251,7 +251,8 @@ static void acpi_get_pci_info(PcPciInfo *info)
Object *pci_host;
bool ambiguous;
- pci_host = object_resolve_path_type("", TYPE_PCI_HOST_BRIDGE, &ambiguous);
+ pci_host = object_resolve_path_type("", TYPE_PCI_MAIN_HOST_BRIDGE,
+ &ambiguous);
g_assert(!ambiguous);
g_assert(pci_host);
@@ -1311,7 +1312,8 @@ build_ssdt(GArray *table_data, GArray *linker,
PCIBus *bus = NULL;
bool ambiguous;
- pci_host = object_resolve_path_type("", TYPE_PCI_HOST_BRIDGE, &ambiguous);
+ pci_host = object_resolve_path_type("", TYPE_PCI_MAIN_HOST_BRIDGE,
+ &ambiguous);
if (!ambiguous && pci_host) {
bus = PCI_HOST_BRIDGE(pci_host)->bus;
}
@@ -1656,7 +1658,8 @@ static bool acpi_get_mcfg(AcpiMcfgInfo *mcfg)
QObject *o;
bool ambiguous;
- pci_host = object_resolve_path_type("", TYPE_PCI_HOST_BRIDGE, &ambiguous);
+ pci_host = object_resolve_path_type("", TYPE_PCI_MAIN_HOST_BRIDGE,
+ &ambiguous);
g_assert(!ambiguous);
g_assert(pci_host);
@@ -766,6 +766,11 @@ static const TypeInfo i440fx_pcihost_info = {
.instance_size = sizeof(I440FXState),
.instance_init = i440fx_pcihost_initfn,
.class_init = i440fx_pcihost_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_PCI_MAIN_HOST_BRIDGE },
+ { }
+ }
+
};
static void i440fx_register_types(void)
@@ -193,6 +193,10 @@ static const TypeInfo q35_host_info = {
.instance_size = sizeof(Q35PCIHost),
.instance_init = q35_host_initfn,
.class_init = q35_host_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_PCI_MAIN_HOST_BRIDGE },
+ { }
+ }
};
/****************************************************************************
@@ -175,6 +175,11 @@ const MemoryRegionOps pci_host_data_be_ops = {
.endianness = DEVICE_BIG_ENDIAN,
};
+static const TypeInfo pci_main_host_interface_info = {
+ .name = TYPE_PCI_MAIN_HOST_BRIDGE,
+ .parent = TYPE_INTERFACE,
+};
+
static const TypeInfo pci_host_type_info = {
.name = TYPE_PCI_HOST_BRIDGE,
.parent = TYPE_SYS_BUS_DEVICE,
@@ -185,6 +190,7 @@ static const TypeInfo pci_host_type_info = {
static void pci_host_register_types(void)
{
+ type_register_static(&pci_main_host_interface_info);
type_register_static(&pci_host_type_info);
}
@@ -30,6 +30,13 @@
#include "hw/sysbus.h"
+/**
+ * Marker interface for classes whose instances can
+ * be main host bridges. It is intended to be used
+ * when the QOM tree includes multiple host bridges.
+ */
+#define TYPE_PCI_MAIN_HOST_BRIDGE "pci-main-host-bridge"
+
#define TYPE_PCI_HOST_BRIDGE "pci-host-bridge"
#define PCI_HOST_BRIDGE(obj) \
OBJECT_CHECK(PCIHostState, (obj), TYPE_PCI_HOST_BRIDGE)