diff options
| -rw-r--r-- | hw/pci-bridge/pci_expander_bridge.c | 6 | ||||
| -rw-r--r-- | hw/pci/pci.c | 14 | ||||
| -rw-r--r-- | hw/virtio/virtio-pci.c | 1 | ||||
| -rw-r--r-- | include/hw/pci/pci.h | 1 | ||||
| -rw-r--r-- | include/hw/pci/pci_bus.h | 12 |
5 files changed, 14 insertions, 20 deletions
diff --git a/hw/pci-bridge/pci_expander_bridge.c b/hw/pci-bridge/pci_expander_bridge.c index e62de4218f..ca66bc721a 100644 --- a/hw/pci-bridge/pci_expander_bridge.c +++ b/hw/pci-bridge/pci_expander_bridge.c @@ -66,11 +66,6 @@ static int pxb_bus_num(PCIBus *bus) return pxb->bus_nr; } -static bool pxb_is_root(PCIBus *bus) -{ - return true; /* by definition */ -} - static uint16_t pxb_bus_numa_node(PCIBus *bus) { PXBDev *pxb = convert_to_pxb(bus->parent_dev); @@ -83,7 +78,6 @@ static void pxb_bus_class_init(ObjectClass *class, void *data) PCIBusClass *pbc = PCI_BUS_CLASS(class); pbc->bus_num = pxb_bus_num; - pbc->is_root = pxb_is_root; pbc->numa_node = pxb_bus_numa_node; } diff --git a/hw/pci/pci.c b/hw/pci/pci.c index a78023f669..b386777045 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -129,14 +129,9 @@ static void pci_bus_unrealize(BusState *qbus, Error **errp) vmstate_unregister(NULL, &vmstate_pcibus, bus); } -static bool pcibus_is_root(PCIBus *bus) -{ - return !bus->parent_dev; -} - static int pcibus_num(PCIBus *bus) { - if (pcibus_is_root(bus)) { + if (pci_bus_is_root(bus)) { return 0; /* pci host bridge */ } return bus->parent_dev->config[PCI_SECONDARY_BUS]; @@ -164,7 +159,6 @@ static void pci_bus_class_init(ObjectClass *klass, void *data) k->unrealize = pci_bus_unrealize; k->reset = pcibus_reset; - pbc->is_root = pcibus_is_root; pbc->bus_num = pcibus_num; pbc->numa_node = pcibus_numa_node; pbc->allows_extended_config_space = pcibus_allows_extended_config_space; @@ -398,6 +392,7 @@ static void pci_root_bus_init(PCIBus *bus, DeviceState *parent, bus->slot_reserved_mask = 0x0; bus->address_space_mem = address_space_mem; bus->address_space_io = address_space_io; + bus->flags |= PCI_BUS_IS_ROOT; /* host bridge */ QLIST_INIT(&bus->child); @@ -415,11 +410,6 @@ bool pci_bus_is_express(PCIBus *bus) return object_dynamic_cast(OBJECT(bus), TYPE_PCIE_BUS); } -bool pci_bus_is_root(PCIBus *bus) -{ - return PCI_BUS_GET_CLASS(bus)->is_root(bus); -} - bool pci_bus_allows_extended_config_space(PCIBus *bus) { return PCI_BUS_GET_CLASS(bus)->allows_extended_config_space(bus); diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index 509c1ff555..9056cdfa3c 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -20,6 +20,7 @@ #include "standard-headers/linux/virtio_pci.h" #include "hw/virtio/virtio.h" #include "hw/pci/pci.h" +#include "hw/pci/pci_bus.h" #include "qapi/error.h" #include "qemu/error-report.h" #include "hw/pci/msi.h" diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index fdd4c43d3a..edf44de21d 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -395,7 +395,6 @@ typedef PCIINTxRoute (*pci_route_irq_fn)(void *opaque, int pin); #define TYPE_PCIE_BUS "PCIE" bool pci_bus_is_express(PCIBus *bus); -bool pci_bus_is_root(PCIBus *bus); bool pci_bus_allows_extended_config_space(PCIBus *bus); void pci_root_bus_new_inplace(PCIBus *bus, size_t bus_size, DeviceState *parent, diff --git a/include/hw/pci/pci_bus.h b/include/hw/pci/pci_bus.h index f6df834170..aea98d5040 100644 --- a/include/hw/pci/pci_bus.h +++ b/include/hw/pci/pci_bus.h @@ -15,14 +15,19 @@ typedef struct PCIBusClass { BusClass parent_class; /*< public >*/ - bool (*is_root)(PCIBus *bus); int (*bus_num)(PCIBus *bus); uint16_t (*numa_node)(PCIBus *bus); bool (*allows_extended_config_space)(PCIBus *bus); } PCIBusClass; +enum PCIBusFlags { + /* This bus is the root of a PCI domain */ + PCI_BUS_IS_ROOT = 0x0001, +}; + struct PCIBus { BusState qbus; + enum PCIBusFlags flags; PCIIOMMUFunc iommu_fn; void *iommu_opaque; uint8_t devfn_min; @@ -47,4 +52,9 @@ struct PCIBus { Notifier machine_done; }; +static inline bool pci_bus_is_root(PCIBus *bus) +{ + return !!(bus->flags & PCI_BUS_IS_ROOT); +} + #endif /* QEMU_PCI_BUS_H */ |