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Diffstat (limited to 'hw')
-rw-r--r--hw/pci-host/piix.c57
1 files changed, 31 insertions, 26 deletions
diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
index ed2424c4cd..ad55f99663 100644
--- a/hw/pci-host/piix.c
+++ b/hw/pci-host/piix.c
@@ -91,6 +91,10 @@ typedef struct PIIX3State {
MemoryRegion rcr_mem;
} PIIX3State;
+#define TYPE_PIIX3_PCI_DEVICE "pci-piix3"
+#define PIIX3_PCI_DEVICE(obj) \
+ OBJECT_CHECK(PIIX3State, (obj), TYPE_PIIX3_PCI_DEVICE)
+
#define TYPE_I440FX_PCI_DEVICE "i440FX"
#define I440FX_PCI_DEVICE(obj) \
OBJECT_CHECK(PCII440FXState, (obj), TYPE_I440FX_PCI_DEVICE)
@@ -368,13 +372,15 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state,
* connected to the IOAPIC directly.
* These additional routes can be discovered through ACPI. */
if (xen_enabled()) {
- piix3 = DO_UPCAST(PIIX3State, dev,
- pci_create_simple_multifunction(b, -1, true, "PIIX3-xen"));
+ PCIDevice *pci_dev = pci_create_simple_multifunction(b,
+ -1, true, "PIIX3-xen");
+ piix3 = PIIX3_PCI_DEVICE(pci_dev);
pci_bus_irqs(b, xen_piix3_set_irq, xen_pci_slot_get_pirq,
piix3, XEN_PIIX_NUM_PIRQS);
} else {
- piix3 = DO_UPCAST(PIIX3State, dev,
- pci_create_simple_multifunction(b, -1, true, "PIIX3"));
+ PCIDevice *pci_dev = pci_create_simple_multifunction(b,
+ -1, true, "PIIX3");
+ piix3 = PIIX3_PCI_DEVICE(pci_dev);
pci_bus_irqs(b, piix3_set_irq, pci_slot_get_pirq, piix3,
PIIX_NUM_PIRQS);
pci_bus_set_route_irq_fn(b, piix3_route_intx_pin_to_irq);
@@ -480,7 +486,7 @@ static void piix3_write_config(PCIDevice *dev,
{
pci_default_write_config(dev, address, val, len);
if (ranges_overlap(address, len, PIIX_PIRQC, 4)) {
- PIIX3State *piix3 = DO_UPCAST(PIIX3State, dev, dev);
+ PIIX3State *piix3 = PIIX3_PCI_DEVICE(dev);
int pic_irq;
pci_bus_fire_intx_routing_notifier(piix3->dev.bus);
@@ -634,7 +640,7 @@ static const MemoryRegionOps rcr_ops = {
static void piix3_realize(PCIDevice *dev, Error **errp)
{
- PIIX3State *d = DO_UPCAST(PIIX3State, dev, dev);
+ PIIX3State *d = PIIX3_PCI_DEVICE(dev);
isa_bus_new(DEVICE(d), get_system_memory(),
pci_address_space_io(dev));
@@ -647,7 +653,7 @@ static void piix3_realize(PCIDevice *dev, Error **errp)
qemu_register_reset(piix3_reset, d);
}
-static void piix3_class_init(ObjectClass *klass, void *data)
+static void pci_piix3_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
@@ -656,7 +662,6 @@ static void piix3_class_init(ObjectClass *klass, void *data)
dc->vmsd = &vmstate_piix3;
dc->hotpluggable = false;
k->realize = piix3_realize;
- k->config_write = piix3_write_config;
k->vendor_id = PCI_VENDOR_ID_INTEL;
/* 82371SB PIIX3 PCI-to-ISA bridge (Step A1) */
k->device_id = PCI_DEVICE_ID_INTEL_82371SB_0;
@@ -668,38 +673,37 @@ static void piix3_class_init(ObjectClass *klass, void *data)
dc->cannot_instantiate_with_device_add_yet = true;
}
+static const TypeInfo piix3_pci_type_info = {
+ .name = TYPE_PIIX3_PCI_DEVICE,
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = sizeof(PIIX3State),
+ .abstract = true,
+ .class_init = pci_piix3_class_init,
+};
+
+static void piix3_class_init(ObjectClass *klass, void *data)
+{
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+ k->config_write = piix3_write_config;
+}
+
static const TypeInfo piix3_info = {
.name = "PIIX3",
- .parent = TYPE_PCI_DEVICE,
- .instance_size = sizeof(PIIX3State),
+ .parent = TYPE_PIIX3_PCI_DEVICE,
.class_init = piix3_class_init,
};
static void piix3_xen_class_init(ObjectClass *klass, void *data)
{
- DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
- dc->desc = "ISA bridge";
- dc->vmsd = &vmstate_piix3;
- dc->hotpluggable = false;
- k->realize = piix3_realize;
k->config_write = piix3_write_config_xen;
- k->vendor_id = PCI_VENDOR_ID_INTEL;
- /* 82371SB PIIX3 PCI-to-ISA bridge (Step A1) */
- k->device_id = PCI_DEVICE_ID_INTEL_82371SB_0;
- k->class_id = PCI_CLASS_BRIDGE_ISA;
- /*
- * Reason: part of PIIX3 southbridge, needs to be wired up by
- * pc_piix.c's pc_init1()
- */
- dc->cannot_instantiate_with_device_add_yet = true;
};
static const TypeInfo piix3_xen_info = {
.name = "PIIX3-xen",
- .parent = TYPE_PCI_DEVICE,
- .instance_size = sizeof(PIIX3State),
+ .parent = TYPE_PIIX3_PCI_DEVICE,
.class_init = piix3_xen_class_init,
};
@@ -772,6 +776,7 @@ static const TypeInfo i440fx_pcihost_info = {
static void i440fx_register_types(void)
{
type_register_static(&i440fx_info);
+ type_register_static(&piix3_pci_type_info);
type_register_static(&piix3_info);
type_register_static(&piix3_xen_info);
type_register_static(&i440fx_pcihost_info);