[Qemu-devel] [PULL 2/5] hw/pci: Prepare for AMD IOMMU

[Michael S. Tsirkin]

From: David Kiarie <address@hidden>

Introduce PCI macros from for use by AMD IOMMU

Signed-off-by: David Kiarie <address@hidden>
---
 include/hw/pci/pci.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index e8b83bb..74bb15c 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -11,11 +11,13 @@
 #include "hw/pci/pcie.h"
 
 /* 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
 
-- 
MST