diff options
| author | David Kiarie <davidkiarie4@gmail.com> | 2016-09-20 18:42:31 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-09-23 19:03:56 +0300 |
| commit | ab71cc0d589b054dccac2756c78042608b8e5b6e (patch) | |
| tree | 910db3cc9bd8b622d4e2c4b01b5f57701f93f348 /include | |
| parent | fb1131b674e492a5f91abd77b9fcc9a9e2b88eb7 (diff) | |
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')
| -rw-r--r-- | include/hw/pci/pci.h | 3 |
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 |