Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
---
lib/pci.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/lib/pci.h b/lib/pci.h
index b8755ff..6a1c3c9 100644
--- a/lib/pci.h
+++ b/lib/pci.h
@@ -18,6 +18,12 @@ enum {
#define PCI_BAR_NUM (6)
#define PCI_DEVFN_MAX (256)
+#define PCI_BDF_GET_DEVFN(x) ((x) & 0xff)
+#define PCI_BDF_GET_BUS(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))
+
struct pci_dev {
bool inited;
uint16_t pci_addr;
--
2.7.4
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