c93ce6481e
Remove unneeded 'typedef' near 'struct _EFI_DPC_PROTOCOL' to remove compiler warning. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4367 6f19259b-4bc3-4df7-8a09-765794883524
112 lines
2.8 KiB
C
112 lines
2.8 KiB
C
/*++
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Copyright (c) 2007, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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Dpc.h
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Abstract:
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EFI Deferred Procedure Call Protocol
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Revision History
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--*/
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#ifndef __DPC_H__
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#define __DPC_H__
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//
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// DPC Protocol GUID value
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//
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#define EFI_DPC_PROTOCOL_GUID \
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{ \
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0x480f8ae9, 0xc46, 0x4aa9, { 0xbc, 0x89, 0xdb, 0x9f, 0xba, 0x61, 0x98, 0x6 } \
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}
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//
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// Forward reference for pure ANSI compatability
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//
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typedef struct _EFI_DPC_PROTOCOL EFI_DPC_PROTOCOL;
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/**
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Invoke a Deferred Procedure Call.
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@param DpcContext Pointer to the Deferred Procedure Call's context,
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which is implementation dependent.
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**/
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typedef
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VOID
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(EFIAPI *EFI_DPC_PROCEDURE) (
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IN VOID *DpcContext
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);
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/**
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Add a Deferred Procedure Call to the end of the DPC queue.
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@param This Protocol instance pointer.
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@param DpcTpl The EFI_TPL that the DPC should be invoked.
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@param DpcProcedure Pointer to the DPC's function.
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@param DpcContext Pointer to the DPC's context. Passed to DpcProcedure
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when DpcProcedure is invoked.
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@retval EFI_SUCCESS The DPC was queued.
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@retval EFI_INVALID_PARAMETER DpcTpl is not a valid EFI_TPL.
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@retval EFI_INVALID_PARAMETER DpcProcedure is NULL.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources available to
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add the DPC to the queue.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_DPC_QUEUE_DPC) (
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IN EFI_DPC_PROTOCOL *This,
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IN EFI_TPL DpcTpl,
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IN EFI_DPC_PROCEDURE DpcProcedure,
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IN VOID *DpcContext OPTIONAL
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);
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/**
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Dispatch the queue of DPCs. ALL DPCs that have been queued with a DpcTpl
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value greater than or equal to the current TPL are invoked in the order that
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they were queued. DPCs with higher DpcTpl values are invoked before DPCs with
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lower DpcTpl values.
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@param This Protocol instance pointer.
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@retval EFI_SUCCESS One or more DPCs were invoked.
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@retval EFI_NOT_FOUND No DPCs were invoked.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_DPC_DISPATCH_DPC) (
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IN EFI_DPC_PROTOCOL *This
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);
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//
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// DPC Protocol structure
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//
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struct _EFI_DPC_PROTOCOL {
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EFI_DPC_QUEUE_DPC QueueDpc;
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EFI_DPC_DISPATCH_DPC DispatchDpc;
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};
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//
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// DPC Protocol GUID variable
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//
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extern EFI_GUID gEfiDpcProtocolGuid;
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#endif
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