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54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/** @file
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DpcLib.h.
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Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _DPC_LIB_H_
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#define _DPC_LIB_H_
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#include <Protocol/Dpc.h>
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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[in] DpcTpl The EFI_TPL that the DPC should invoke.
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@param[in] DpcProcedure The pointer to the DPC's function.
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@param[in] DpcContext The 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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EFI_STATUS
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EFIAPI
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QueueDpc (
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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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@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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EFI_STATUS
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EFIAPI
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DispatchDpc (
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VOID
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);
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#endif
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