Changeset 84799 in vbox for trunk/include/VBox

Timestamp:

Jun 11, 2020 3:19:35 PM (5 years ago)

Author:

vboxsync

Message:

VBox/pci.h: Add macros for device and bus masks from the bus:device:function value.

File:

• trunk/include/VBox/pci.h (modified) (1 diff)

trunk/include/VBox/pci.h

@@ -458 +458 @@
 #define VBOX_PCI_MAX_DEVICES        32
 /** The device number shift count for a device+function number. */
+#define VBOX_PCI_DEVFN_FUN_MASK     0x7
+/** The device number shift count for a device+function number. */
 #define VBOX_PCI_DEVFN_DEV_SHIFT    3
-/** The device number shift count for a device+function number. */
-#define VBOX_PCI_DEVFN_FUN_MASK     0x7
+/** The device number mask for a device+function number. */
+#define VBOX_PCI_DEVFN_DEV_MASK     0x1f
 /** The bus number shift count for a bus+device+function number. */
 #define VBOX_PCI_BUS_SHIFT          0xc
+/** The bus number mask a bus+device+function number. */
+#define VBOX_PCI_BUS_MASK           0xff
 /** Make a device+function number.   */
 #define VBOX_PCI_DEVFN_MAKE(a_uPciDevNo, a_uPciFunNo) (((a_uPciDevNo) << VBOX_PCI_DEVFN_DEV_SHIFT) | (a_uPciFunNo))