From ab71cc0d589b054dccac2756c78042608b8e5b6e Mon Sep 17 00:00:00 2001 From: David Kiarie Date: Tue, 20 Sep 2016 18:42:31 +0300 Subject: [PATCH] hw/pci: Prepare for AMD IOMMU Introduce PCI macros from for use by AMD IOMMU Signed-off-by: David Kiarie Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- include/hw/pci/pci.h | 3 +++ 1 file changed, 3 insertions(+) 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