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68f799944b
introduce pci bridge library. convert apb bridge and dec p2p bridge to use new pci bridge library. save/restore is supported as a side effect. This is also preparation for pci express root/upstream/downstream port. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
#ifndef QEMU_PCI_INTERNALS_H
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#define QEMU_PCI_INTERNALS_H
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/*
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* This header files is private to pci.c and pci_bridge.c
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* So following structures are opaque to others and shouldn't be
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* accessed.
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*
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* For pci-to-pci bridge needs to include this header file to embed
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* PCIBridge in its structure or to get sizeof(PCIBridge),
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* However, they shouldn't access those following members directly.
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* Use accessor function in pci.h, pci_bridge.h
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*/
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extern struct BusInfo pci_bus_info;
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struct PCIBus {
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BusState qbus;
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int devfn_min;
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pci_set_irq_fn set_irq;
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pci_map_irq_fn map_irq;
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pci_hotplug_fn hotplug;
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DeviceState *hotplug_qdev;
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void *irq_opaque;
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PCIDevice *devices[256];
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PCIDevice *parent_dev;
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target_phys_addr_t mem_base;
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QLIST_HEAD(, PCIBus) child; /* this will be replaced by qdev later */
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QLIST_ENTRY(PCIBus) sibling;/* this will be replaced by qdev later */
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/* The bus IRQ state is the logical OR of the connected devices.
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Keep a count of the number of devices with raised IRQs. */
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int nirq;
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int *irq_count;
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};
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struct PCIBridge {
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PCIDevice dev;
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/* private member */
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PCIBus sec_bus;
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pci_map_irq_fn map_irq;
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const char *bus_name;
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};
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#endif /* QEMU_PCI_INTERNALS_H */
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