MdeModulePkg/NonDiscoverablePciDeviceDxe: expose unique B/D/F identifiers

[mirror_edk2.git] / MdeModulePkg / Bus / Pci / NonDiscoverablePciDeviceDxe / NonDiscoverablePciDeviceIo.h

diff --git a/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceIo.h b/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceIo.h
index e641189267eeea45a1499f1c25260ddadd28e4d3..5b4c57fa2a8e360129c7653032a0fecd9e95d3f7 100644 (file)
--- a/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceIo.h
+++ b/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceIo.h
@@ -100,6 +100,12 @@ typedef struct {
   // on behalf of this device\r
   //\r
   LIST_ENTRY                UncachedAllocationList;\r
+  //\r
+  // Unique ID for this device instance: needed so that we can report unique\r
+  // segment/bus/device number for each device instance. Note that this number\r
+  // may change when disconnecting/reconnecting the driver.\r
+  //\r
+  UINTN                     UniqueId;\r
 } NON_DISCOVERABLE_PCI_DEVICE;\r
 \r
 /**\r