pci: move out pci internal structures, PCIBus, PCIBridge, and pci_bus_info.

move out pci internal structures, PCIBus, PCIBridge and pci_bus_info into
private header file, pci_internals.h.
This is a preparation. Later pci bridge implementation will be
split out form pci.c into pci_bridge.c.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/hw/pci_internals.h b/hw/pci_internals.h
new file mode 100644
index 0000000..8a3026b
--- /dev/null
+++ b/hw/pci_internals.h
@@ -0,0 +1,40 @@
+#ifndef QEMU_PCI_INTERNALS_H
+#define QEMU_PCI_INTERNALS_H
+
+/*
+ * This header files is private to pci.c and pci_bridge.c
+ * So following structures are opaque to others and shouldn't be
+ * accessed.
+ */
+
+extern struct BusInfo pci_bus_info;
+
+struct PCIBus {
+    BusState qbus;
+    int devfn_min;
+    pci_set_irq_fn set_irq;
+    pci_map_irq_fn map_irq;
+    pci_hotplug_fn hotplug;
+    DeviceState *hotplug_qdev;
+    void *irq_opaque;
+    PCIDevice *devices[256];
+    PCIDevice *parent_dev;
+    target_phys_addr_t mem_base;
+
+    QLIST_HEAD(, PCIBus) child; /* this will be replaced by qdev later */
+    QLIST_ENTRY(PCIBus) sibling;/* this will be replaced by qdev later */
+
+    /* The bus IRQ state is the logical OR of the connected devices.
+       Keep a count of the number of devices with raised IRQs.  */
+    int nirq;
+    int *irq_count;
+};
+
+typedef struct {
+    PCIDevice dev;
+    PCIBus bus;
+    uint32_t vid;
+    uint32_t did;
+} PCIBridge;
+
+#endif /* QEMU_PCI_INTERNALS_H */