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authorDavid Kiarie <davidkiarie4@gmail.com>2016-09-20 18:42:31 +0300
committerMichael S. Tsirkin <mst@redhat.com>2016-09-23 19:03:56 +0300
commitab71cc0d589b054dccac2756c78042608b8e5b6e (patch)
tree910db3cc9bd8b622d4e2c4b01b5f57701f93f348 /include/hw/pci/pci.h
parentfb1131b674e492a5f91abd77b9fcc9a9e2b88eb7 (diff)
downloadfocaccia-qemu-ab71cc0d589b054dccac2756c78042608b8e5b6e.tar.gz
focaccia-qemu-ab71cc0d589b054dccac2756c78042608b8e5b6e.zip
hw/pci: Prepare for AMD IOMMU
Introduce PCI macros from for use by AMD IOMMU

Signed-off-by: David Kiarie <davidkiarie4@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/hw/pci/pci.h')
-rw-r--r--include/hw/pci/pci.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index e8b83bbb1e..772692f1b2 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -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