3 Copyright (c) 2006, Intel Corporation
4 All rights reserved. This program and the accompanying materials
5 are licensed and made available under the terms and conditions of the BSD License
6 which accompanies this distribution. The full text of the license may be found at
7 http://opensource.org/licenses/bsd-license.php
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
17 This code supports a the private implementation
18 of the Data Hub protocol
26 #define DATA_HUB_INSTANCE_SIGNATURE EFI_SIGNATURE_32 ('D', 'H', 'u', 'b')
33 // Produced protocol(s)
35 EFI_DATA_HUB_PROTOCOL DataHub
;
41 // Updates to GlobalMonotonicCount, LogListHead, and FilterDriverListHead
47 // Runing Monotonic Count to use for each error record.
48 // Increment AFTER use in an error record.
50 UINT64 GlobalMonotonicCount
;
53 // List of EFI_DATA_ENTRY structures. This is the data log! The list
54 // must be in assending order of LogMonotonicCount.
56 LIST_ENTRY DataListHead
;
59 // List of EFI_DATA_HUB_FILTER_DRIVER structures. Represents all
60 // the registered filter drivers.
62 LIST_ENTRY FilterDriverListHead
;
66 #define DATA_HUB_INSTANCE_FROM_THIS(this) CR (this, DATA_HUB_INSTANCE, DataHub, DATA_HUB_INSTANCE_SIGNATURE)
69 // Private data structure to contain the data log. One record per
70 // structure. Head pointer to the list is the Log member of
71 // EFI_DATA_ENTRY. Record is a copy of the data passed in.
73 #define EFI_DATA_ENTRY_SIGNATURE EFI_SIGNATURE_32 ('D', 'r', 'e', 'c')
78 EFI_DATA_RECORD_HEADER
*Record
;
84 #define DATA_ENTRY_FROM_LINK(link) CR (link, EFI_DATA_ENTRY, Link, EFI_DATA_ENTRY_SIGNATURE)
87 // Private data to contain the filter driver Event and it's
88 // associated EFI_TPL.
90 #define EFI_DATA_HUB_FILTER_DRIVER_SIGNATURE EFI_SIGNATURE_32 ('D', 'h', 'F', 'd')
97 // Store Filter Driver Event and Tpl level it can be Signaled at.
103 // Monotonic count on the get next operation for Event.
104 // Zero indicates get next has not been called for this event yet.
106 UINT64 GetNextMonotonicCount
;
109 // Filter driver will register what class filter should be used.
114 // Filter driver will register what record guid filter should be used.
116 EFI_GUID FilterDataRecordGuid
;
118 } DATA_HUB_FILTER_DRIVER
;
120 #define FILTER_ENTRY_FROM_LINK(link) CR (link, DATA_HUB_FILTER_DRIVER, Link, EFI_DATA_HUB_FILTER_DRIVER_SIGNATURE)