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/** @file
UEFI Event support functions and structure.
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
(C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef __EVENT_H__
#define __EVENT_H__
#define VALID_TPL(a) ((a) <= TPL_HIGH_LEVEL)
extern UINTN gEventPending;
///
/// Set if Event is part of an event group
///
#define EVT_EXFLAG_EVENT_GROUP 0x01
///
/// Set if Event is registered on a protocol notify
///
#define EVT_EXFLAG_EVENT_PROTOCOL_NOTIFICATION 0x02
//
// EFI_EVENT
//
///
/// Timer event information
///
typedef struct {
LIST_ENTRY Link;
UINT64 TriggerTime;
UINT64 Period;
} TIMER_EVENT_INFO;
#define EVENT_SIGNATURE SIGNATURE_32('e','v','n','t')
typedef struct {
UINTN Signature;
UINT32 Type;
UINT32 SignalCount;
///
/// Entry if the event is registered to be signalled
///
LIST_ENTRY SignalLink;
///
/// Notification information for this event
///
EFI_TPL NotifyTpl;
EFI_EVENT_NOTIFY NotifyFunction;
VOID *NotifyContext;
EFI_GUID EventGroup;
LIST_ENTRY NotifyLink;
UINT8 ExFlag;
///
/// A list of all runtime events
///
EFI_RUNTIME_EVENT_ENTRY RuntimeData;
TIMER_EVENT_INFO Timer;
} IEVENT;
//
// Internal prototypes
//
/**
Dispatches all pending events.
@param Priority The task priority level of event notifications
to dispatch
**/
VOID
CoreDispatchEventNotifies (
IN EFI_TPL Priority
);
/**
Initializes timer support.
**/
VOID
CoreInitializeTimer (
VOID
);
#endif
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