mirror of https://github.com/acidanthera/audk.git
124 lines
3.2 KiB
C
124 lines
3.2 KiB
C
/** @file
|
|
This code supports a the private implementation
|
|
of the Data Hub protocol
|
|
|
|
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#ifndef _DATA_HUB_H_
|
|
#define _DATA_HUB_H_
|
|
|
|
|
|
#include <FrameworkDxe.h>
|
|
|
|
#include <Protocol/DataHub.h>
|
|
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/UefiDriverEntryPoint.h>
|
|
#include <Library/UefiLib.h>
|
|
#include <Library/BaseLib.h>
|
|
#include <Library/BaseMemoryLib.h>
|
|
#include <Library/MemoryAllocationLib.h>
|
|
#include <Library/UefiBootServicesTableLib.h>
|
|
#include <Library/UefiRuntimeServicesTableLib.h>
|
|
|
|
#define DATA_HUB_INSTANCE_SIGNATURE SIGNATURE_32 ('D', 'H', 'u', 'b')
|
|
typedef struct {
|
|
UINT32 Signature;
|
|
|
|
EFI_HANDLE Handle;
|
|
|
|
//
|
|
// Produced protocol(s)
|
|
//
|
|
EFI_DATA_HUB_PROTOCOL DataHub;
|
|
|
|
//
|
|
// Private Data
|
|
//
|
|
//
|
|
// Updates to GlobalMonotonicCount, LogListHead, and FilterDriverListHead
|
|
// must be locked.
|
|
//
|
|
EFI_LOCK DataLock;
|
|
|
|
//
|
|
// Runing Monotonic Count to use for each error record.
|
|
// Increment AFTER use in an error record.
|
|
//
|
|
UINT64 GlobalMonotonicCount;
|
|
|
|
//
|
|
// List of EFI_DATA_ENTRY structures. This is the data log! The list
|
|
// must be in assending order of LogMonotonicCount.
|
|
//
|
|
LIST_ENTRY DataListHead;
|
|
|
|
//
|
|
// List of EFI_DATA_HUB_FILTER_DRIVER structures. Represents all
|
|
// the registered filter drivers.
|
|
//
|
|
LIST_ENTRY FilterDriverListHead;
|
|
|
|
} DATA_HUB_INSTANCE;
|
|
|
|
#define DATA_HUB_INSTANCE_FROM_THIS(this) CR (this, DATA_HUB_INSTANCE, DataHub, DATA_HUB_INSTANCE_SIGNATURE)
|
|
|
|
//
|
|
// Private data structure to contain the data log. One record per
|
|
// structure. Head pointer to the list is the Log member of
|
|
// EFI_DATA_ENTRY. Record is a copy of the data passed in.
|
|
//
|
|
#define EFI_DATA_ENTRY_SIGNATURE SIGNATURE_32 ('D', 'r', 'e', 'c')
|
|
typedef struct {
|
|
UINT32 Signature;
|
|
LIST_ENTRY Link;
|
|
|
|
EFI_DATA_RECORD_HEADER *Record;
|
|
|
|
UINTN RecordSize;
|
|
|
|
} EFI_DATA_ENTRY;
|
|
|
|
#define DATA_ENTRY_FROM_LINK(link) CR (link, EFI_DATA_ENTRY, Link, EFI_DATA_ENTRY_SIGNATURE)
|
|
|
|
//
|
|
// Private data to contain the filter driver Event and it's
|
|
// associated EFI_TPL.
|
|
//
|
|
#define EFI_DATA_HUB_FILTER_DRIVER_SIGNATURE SIGNATURE_32 ('D', 'h', 'F', 'd')
|
|
|
|
typedef struct {
|
|
UINT32 Signature;
|
|
LIST_ENTRY Link;
|
|
|
|
//
|
|
// Store Filter Driver Event and Tpl level it can be Signaled at.
|
|
//
|
|
EFI_EVENT Event;
|
|
EFI_TPL Tpl;
|
|
|
|
//
|
|
// Monotonic count on the get next operation for Event.
|
|
// Zero indicates get next has not been called for this event yet.
|
|
//
|
|
UINT64 GetNextMonotonicCount;
|
|
|
|
//
|
|
// Filter driver will register what class filter should be used.
|
|
//
|
|
UINT64 ClassFilter;
|
|
|
|
//
|
|
// Filter driver will register what record guid filter should be used.
|
|
//
|
|
EFI_GUID FilterDataRecordGuid;
|
|
|
|
} DATA_HUB_FILTER_DRIVER;
|
|
|
|
#define FILTER_ENTRY_FROM_LINK(link) CR (link, DATA_HUB_FILTER_DRIVER, Link, EFI_DATA_HUB_FILTER_DRIVER_SIGNATURE)
|
|
|
|
#endif
|