1 files changed, 80 insertions, 0 deletions
diff --git a/roms/edk2/NetworkPkg/DpcDxe/Dpc.h b/roms/edk2/NetworkPkg/DpcDxe/Dpc.h
new file mode 100644
index 000000000..a5e6f7b62
--- /dev/null
+++ b/roms/edk2/NetworkPkg/DpcDxe/Dpc.h
@@ -0,0 +1,80 @@
+/** @file
+
+Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+Module Name:
+
+  Dpc.h
+
+Abstract:
+
+
+**/
+
+#ifndef _DPC_H_
+#define _DPC_H_
+
+#include <Uefi.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Protocol/Dpc.h>
+
+//
+// Internal data structure for managing DPCs.  A DPC entry is either on the free
+// list or on a DPC queue at a specific EFI_TPL.
+//
+typedef struct {
+  LIST_ENTRY             ListEntry;
+  EFI_DPC_PROCEDURE  DpcProcedure;
+  VOID               *DpcContext;
+} DPC_ENTRY;
+
+/**
+  Add a Deferred Procedure Call to the end of the DPC queue.
+
+  @param  This          Protocol instance pointer.
+  @param  DpcTpl        The EFI_TPL that the DPC should be invoked.
+  @param  DpcProcedure  Pointer to the DPC's function.
+  @param  DpcContext    Pointer to the DPC's context.  Passed to DpcProcedure
+                        when DpcProcedure is invoked.
+
+  @retval EFI_SUCCESS            The DPC was queued.
+  @retval EFI_INVALID_PARAMETER  DpcTpl is not a valid EFI_TPL.
+  @retval EFI_INVALID_PARAMETER  DpcProcedure is NULL.
+  @retval EFI_OUT_OF_RESOURCES   There are not enough resources available to
+                                 add the DPC to the queue.
+
+**/
+EFI_STATUS
+EFIAPI
+DpcQueueDpc (
+  IN EFI_DPC_PROTOCOL   *This,
+  IN EFI_TPL            DpcTpl,
+  IN EFI_DPC_PROCEDURE  DpcProcedure,
+  IN VOID               *DpcContext    OPTIONAL
+  );
+
+/**
+  Dispatch the queue of DPCs.  ALL DPCs that have been queued with a DpcTpl
+  value greater than or equal to the current TPL are invoked in the order that
+  they were queued.  DPCs with higher DpcTpl values are invoked before DPCs with
+  lower DpcTpl values.
+
+  @param  This  Protocol instance pointer.
+
+  @retval EFI_SUCCESS    One or more DPCs were invoked.
+  @retval EFI_NOT_FOUND  No DPCs were invoked.
+
+**/
+EFI_STATUS
+EFIAPI
+DpcDispatchDpc (
+  IN EFI_DPC_PROTOCOL  *This
+  );
+
+#endif
+