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23c98c94 | 1 | /** @file\r |
504214c4 LG |
2 | UEFI Event support functions and structure.\r |
3 | \r | |
23c98c94 | 4 | Copyright (c) 2006 - 2008, Intel Corporation. <BR>\r |
5 | All rights reserved. This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
28a00297 | 12 | \r |
504214c4 | 13 | **/\r |
28a00297 | 14 | \r |
5f3232d7 | 15 | #ifndef __EVENT_H__\r |
16 | #define __EVENT_H__\r | |
28a00297 | 17 | \r |
ec90508b | 18 | \r |
28a00297 | 19 | #define VALID_TPL(a) ((a) <= TPL_HIGH_LEVEL)\r |
ec90508b | 20 | extern UINTN gEventPending;\r |
21 | \r | |
28a00297 | 22 | \r |
23 | //\r | |
24 | // EFI_EVENT\r | |
25 | //\r | |
f3f2e05d | 26 | #define EVENT_SIGNATURE SIGNATURE_32('e','v','n','t')\r |
28a00297 | 27 | typedef struct {\r |
28 | UINTN Signature;\r | |
29 | UINT32 Type;\r | |
30 | UINT32 SignalCount;\r | |
ec90508b | 31 | ///\r |
32 | /// Entry if the event is registered to be signalled\r | |
33 | ///\r | |
28a00297 | 34 | LIST_ENTRY SignalLink;\r |
ec90508b | 35 | ///\r |
36 | /// Notification information for this event\r | |
37 | ///\r | |
28a00297 | 38 | EFI_TPL NotifyTpl;\r |
39 | EFI_EVENT_NOTIFY NotifyFunction;\r | |
40 | VOID *NotifyContext;\r | |
41 | EFI_GUID EventGroup;\r | |
022c6d45 | 42 | LIST_ENTRY NotifyLink;\r |
28a00297 | 43 | BOOLEAN ExFlag;\r |
ec90508b | 44 | ///\r |
45 | /// A list of all runtime events\r | |
46 | ///\r | |
28a00297 | 47 | EFI_RUNTIME_EVENT_ENTRY RuntimeData;\r |
ec90508b | 48 | ///\r |
49 | /// Information by event type\r | |
50 | ///\r | |
28a00297 | 51 | union {\r |
ec90508b | 52 | ///\r |
53 | /// For timer events\r | |
54 | ///\r | |
28a00297 | 55 | struct {\r |
56 | LIST_ENTRY Link;\r | |
57 | UINT64 TriggerTime;\r | |
58 | UINT64 Period;\r | |
59 | } Timer;\r | |
60 | } u;\r | |
61 | \r | |
022c6d45 | 62 | } IEVENT;\r |
28a00297 | 63 | \r |
64 | //\r | |
65 | // Internal prototypes\r | |
66 | //\r | |
67 | \r | |
162ed594 | 68 | \r |
69 | /**\r | |
70 | Dispatches all pending events.\r | |
71 | \r | |
022c6d45 | 72 | @param Priority The task priority level of event notifications\r |
162ed594 | 73 | to dispatch\r |
74 | \r | |
75 | **/\r | |
28a00297 | 76 | VOID\r |
77 | CoreDispatchEventNotifies (\r | |
78 | IN EFI_TPL Priority\r | |
23c98c94 | 79 | );\r |
28a00297 | 80 | \r |
28a00297 | 81 | \r |
162ed594 | 82 | /**\r |
83 | Initializes timer support.\r | |
28a00297 | 84 | \r |
162ed594 | 85 | **/\r |
28a00297 | 86 | VOID\r |
87 | CoreInitializeTimer (\r | |
88 | VOID\r | |
23c98c94 | 89 | );\r |
28a00297 | 90 | \r |
28a00297 | 91 | #endif\r |