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authorAnthony Liguori <aliguori@us.ibm.com>2012-12-19 17:15:39 -0600
committerAnthony Liguori <aliguori@us.ibm.com>2012-12-19 17:15:39 -0600
commit27dd7730582be85c7d4f680f5f71146629809c86 (patch)
tree3a36db2e407711ed222de28b839744db48a75059 /hw/pci/pci_bus.h
parent914606d26e654d4c01bd5186f4d05e3fd445e219 (diff)
parentec5e016c9a68588bd01be387416923c7dcafb951 (diff)
Merge remote-tracking branch 'bonzini/header-dirs' into staging
* bonzini/header-dirs: (45 commits) janitor: move remaining public headers to include/ hw: move executable format header files to hw/ fpu: move public header file to include/fpu softmmu: move remaining include files to include/ subdirectories softmmu: move include files to include/sysemu/ misc: move include files to include/qemu/ qom: move include files to include/qom/ migration: move include files to include/migration/ monitor: move include files to include/monitor/ exec: move include files to include/exec/ block: move include files to include/block/ qapi: move include files to include/qobject/ janitor: add guards to headers qapi: make struct Visitor opaque qapi: remove qapi/qapi-types-core.h qapi: move inclusions of qemu-common.h from headers to .c files ui: move files to ui/ and include/ui/ qemu-ga: move qemu-ga files to qga/ net: reorganize headers net: move net.c to net/ ... Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/pci/pci_bus.h')
-rw-r--r--hw/pci/pci_bus.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/hw/pci/pci_bus.h b/hw/pci/pci_bus.h
new file mode 100644
index 0000000000..f905b9e11e
--- /dev/null
+++ b/hw/pci/pci_bus.h
@@ -0,0 +1,74 @@
+#ifndef QEMU_PCI_BUS_H
+#define QEMU_PCI_BUS_H
+
+/*
+ * PCI Bus and Bridge datastructures.
+ *
+ * Do not access the following members directly;
+ * use accessor functions in pci.h, pci_bridge.h
+ */
+
+#define TYPE_PCI_BUS "PCI"
+#define PCI_BUS(obj) OBJECT_CHECK(PCIBus, (obj), TYPE_PCI_BUS)
+
+struct PCIBus {
+ BusState qbus;
+ PCIDMAContextFunc dma_context_fn;
+ void *dma_context_opaque;
+ uint8_t devfn_min;
+ pci_set_irq_fn set_irq;
+ pci_map_irq_fn map_irq;
+ pci_route_irq_fn route_intx_to_irq;
+ pci_hotplug_fn hotplug;
+ DeviceState *hotplug_qdev;
+ void *irq_opaque;
+ PCIDevice *devices[PCI_SLOT_MAX * PCI_FUNC_MAX];
+ PCIDevice *parent_dev;
+ MemoryRegion *address_space_mem;
+ MemoryRegion *address_space_io;
+
+ 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 PCIBridgeWindows PCIBridgeWindows;
+
+/*
+ * Aliases for each of the address space windows that the bridge
+ * can forward. Mapped into the bridge's parent's address space,
+ * as subregions.
+ */
+struct PCIBridgeWindows {
+ MemoryRegion alias_pref_mem;
+ MemoryRegion alias_mem;
+ MemoryRegion alias_io;
+};
+
+struct PCIBridge {
+ PCIDevice dev;
+
+ /* private member */
+ PCIBus sec_bus;
+ /*
+ * Memory regions for the bridge's address spaces. These regions are not
+ * directly added to system_memory/system_io or its descendants.
+ * Bridge's secondary bus points to these, so that devices
+ * under the bridge see these regions as its address spaces.
+ * The regions are as large as the entire address space -
+ * they don't take into account any windows.
+ */
+ MemoryRegion address_space_mem;
+ MemoryRegion address_space_io;
+
+ PCIBridgeWindows *windows;
+
+ pci_map_irq_fn map_irq;
+ const char *bus_name;
+};
+
+#endif /* QEMU_PCI_BUS_H */