Commit ab71cc0d authored by David Kiarie's avatar David Kiarie Committed by Michael S. Tsirkin
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hw/pci: Prepare for AMD IOMMU 



Introduce PCI macros from for use by AMD IOMMU

Signed-off-by: default avatarDavid Kiarie <davidkiarie4@gmail.com>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent fb1131b6

include/hw/pci/pci.h

+3 −0
Original line number Diff line number Diff line
@@ -13,9 +13,12 @@ 
/* PCI bus */



#define PCI_DEVFN(slot, func)   ((((slot) & 0x1f) << 3) | ((func) & 0x07))

#define PCI_BUS_NUM(x)          (((x) >> 8) & 0xff)

#define PCI_SLOT(devfn)         (((devfn) >> 3) & 0x1f)

#define PCI_FUNC(devfn)         ((devfn) & 0x07)

#define PCI_BUILD_BDF(bus, devfn)     ((bus << 8) | (devfn))

#define PCI_BUS_MAX             256

#define PCI_DEVFN_MAX           256

#define PCI_SLOT_MAX            32

#define PCI_FUNC_MAX            8