Dpc.h File Reference

#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>

Go to the source code of this file.

Data Structures
struct	DPC_ENTRY

Functions
EFI_STATUS EFIAPI	DpcQueueDpc (IN EFI_DPC_PROTOCOL *This, IN EFI_TPL DpcTpl, IN EFI_DPC_PROCEDURE DpcProcedure, IN VOID *DpcContext OPTIONAL)
EFI_STATUS EFIAPI	DpcDispatchDpc (IN EFI_DPC_PROTOCOL *This)

Detailed Description

Copyright (c) 2007, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Module Name:

Dpc.h

Abstract:

Definition in file Dpc.h.

Function Documentation

DpcDispatchDpc()

EFI_STATUS EFIAPI DpcDispatchDpc

(

IN EFI_DPC_PROTOCOL *

This

)

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.

Parameters

This	Protocol instance pointer.

Return values

EFI_SUCCESS	One or more DPCs were invoked.
EFI_NOT_FOUND	No DPCs were invoked.

Definition at line 213 of file Dpc.c.

DpcQueueDpc()

EFI_STATUS EFIAPI DpcQueueDpc	(	IN EFI_DPC_PROTOCOL *	This,
		IN EFI_TPL	DpcTpl,
		IN EFI_DPC_PROCEDURE	DpcProcedure,
		IN VOID *DpcContext	OPTIONAL
	)

Add a Deferred Procedure Call to the end of the DPC queue.

Parameters

This	Protocol instance pointer.
DpcTpl	The EFI_TPL that the DPC should be invoked.
DpcProcedure	Pointer to the DPC's function.
DpcContext	Pointer to the DPC's context. Passed to DpcProcedure when DpcProcedure is invoked.

Return values

EFI_SUCCESS	The DPC was queued.
EFI_INVALID_PARAMETER	DpcTpl is not a valid EFI_TPL.
EFI_INVALID_PARAMETER	DpcProcedure is NULL.
EFI_OUT_OF_RESOURCES	There are not enough resources available to add the DPC to the queue.

Definition at line 69 of file Dpc.c.