diff options
Diffstat (limited to 'hw/pci/pci_bridge.c')
| -rw-r--r-- | hw/pci/pci_bridge.c | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/hw/pci/pci_bridge.c b/hw/pci/pci_bridge.c index 02a396b..a90671d 100644 --- a/hw/pci/pci_bridge.c +++ b/hw/pci/pci_bridge.c @@ -141,8 +141,9 @@ static void pci_bridge_init_alias(PCIBridge *bridge, MemoryRegion *alias, MemoryRegion *parent_space, bool enabled) { - pcibus_t base = pci_bridge_get_base(&bridge->dev, type); - pcibus_t limit = pci_bridge_get_limit(&bridge->dev, type); + PCIDevice *bridge_dev = PCI_DEVICE(bridge); + pcibus_t base = pci_bridge_get_base(bridge_dev, type); + pcibus_t limit = pci_bridge_get_limit(bridge_dev, type); /* TODO: this doesn't handle base = 0 limit = 2^64 - 1 correctly. * Apparently no way to do this with existing memory APIs. */ pcibus_t size = enabled && limit >= base ? limit + 1 - base : 0; @@ -154,7 +155,8 @@ static void pci_bridge_init_alias(PCIBridge *bridge, MemoryRegion *alias, static void pci_bridge_init_vga_aliases(PCIBridge *br, PCIBus *parent, MemoryRegion *alias_vga) { - uint16_t brctl = pci_get_word(br->dev.config + PCI_BRIDGE_CONTROL); + PCIDevice *pd = PCI_DEVICE(br); + uint16_t brctl = pci_get_word(pd->config + PCI_BRIDGE_CONTROL); memory_region_init_alias(&alias_vga[QEMU_PCI_VGA_IO_LO], OBJECT(br), "pci_bridge_vga_io_lo", &br->address_space_io, @@ -167,7 +169,7 @@ static void pci_bridge_init_vga_aliases(PCIBridge *br, PCIBus *parent, QEMU_PCI_VGA_MEM_BASE, QEMU_PCI_VGA_MEM_SIZE); if (brctl & PCI_BRIDGE_CTL_VGA) { - pci_register_vga(&br->dev, &alias_vga[QEMU_PCI_VGA_MEM], + pci_register_vga(pd, &alias_vga[QEMU_PCI_VGA_MEM], &alias_vga[QEMU_PCI_VGA_IO_LO], &alias_vga[QEMU_PCI_VGA_IO_HI]); } @@ -175,9 +177,10 @@ static void pci_bridge_init_vga_aliases(PCIBridge *br, PCIBus *parent, static PCIBridgeWindows *pci_bridge_region_init(PCIBridge *br) { - PCIBus *parent = br->dev.bus; + PCIDevice *pd = PCI_DEVICE(br); + PCIBus *parent = pd->bus; PCIBridgeWindows *w = g_new(PCIBridgeWindows, 1); - uint16_t cmd = pci_get_word(br->dev.config + PCI_COMMAND); + uint16_t cmd = pci_get_word(pd->config + PCI_COMMAND); pci_bridge_init_alias(br, &w->alias_pref_mem, PCI_BASE_ADDRESS_MEM_PREFETCH, @@ -205,12 +208,13 @@ static PCIBridgeWindows *pci_bridge_region_init(PCIBridge *br) static void pci_bridge_region_del(PCIBridge *br, PCIBridgeWindows *w) { - PCIBus *parent = br->dev.bus; + PCIDevice *pd = PCI_DEVICE(br); + PCIBus *parent = pd->bus; memory_region_del_subregion(parent->address_space_io, &w->alias_io); memory_region_del_subregion(parent->address_space_mem, &w->alias_mem); memory_region_del_subregion(parent->address_space_mem, &w->alias_pref_mem); - pci_unregister_vga(&br->dev); + pci_unregister_vga(pd); } static void pci_bridge_region_cleanup(PCIBridge *br, PCIBridgeWindows *w) @@ -241,7 +245,7 @@ void pci_bridge_update_mappings(PCIBridge *br) void pci_bridge_write_config(PCIDevice *d, uint32_t address, uint32_t val, int len) { - PCIBridge *s = container_of(d, PCIBridge, dev); + PCIBridge *s = PCI_BRIDGE(d); uint16_t oldctl = pci_get_word(d->config + PCI_BRIDGE_CONTROL); uint16_t newctl; @@ -331,7 +335,7 @@ void pci_bridge_reset(DeviceState *qdev) int pci_bridge_initfn(PCIDevice *dev, const char *typename) { PCIBus *parent = dev->bus; - PCIBridge *br = DO_UPCAST(PCIBridge, dev, dev); + PCIBridge *br = PCI_BRIDGE(dev); PCIBus *sec_bus = &br->sec_bus; pci_word_test_and_set_mask(dev->config + PCI_STATUS, @@ -379,7 +383,7 @@ int pci_bridge_initfn(PCIDevice *dev, const char *typename) /* default qdev clean up function for PCI-to-PCI bridge */ void pci_bridge_exitfn(PCIDevice *pci_dev) { - PCIBridge *s = DO_UPCAST(PCIBridge, dev, pci_dev); + PCIBridge *s = PCI_BRIDGE(pci_dev); assert(QLIST_EMPTY(&s->sec_bus.child)); QLIST_REMOVE(&s->sec_bus, sibling); pci_bridge_region_del(s, s->windows); @@ -400,3 +404,17 @@ void pci_bridge_map_irq(PCIBridge *br, const char* bus_name, br->map_irq = map_irq; br->bus_name = bus_name; } + +static const TypeInfo pci_bridge_type_info = { + .name = TYPE_PCI_BRIDGE, + .parent = TYPE_PCI_DEVICE, + .instance_size = sizeof(PCIBridge), + .abstract = true, +}; + +static void pci_bridge_register_types(void) +{ + type_register_static(&pci_bridge_type_info); +} + +type_init(pci_bridge_register_types) |