mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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610 lines
21 KiB
C
610 lines
21 KiB
C
/** @file
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This code produces the Data Hub protocol. It preloads the data hub
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with status information copied in from PEI HOBs.
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Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "DataHub.h"
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#include <Uefi/UefiBaseType.h>
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// now using OpenCore library to avoid multiple definition of functions
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//
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////
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//// Since this driver will only ever produce one instance of the Logging Hub
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//// protocol you are not required to dynamically allocate the PrivateData.
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////
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//DATA_HUB_INSTANCE mPrivateData;
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//
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///**
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// Log data record into the data logging hub
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//
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// @param This Protocol instance structure
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// @param DataRecordGuid GUID that defines record contents
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// @param ProducerName GUID that defines the name of the producer of the data
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// @param DataRecordClass Class that defines generic record type
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// @param RawData Data Log record as defined by DataRecordGuid
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// @param RawDataSize Size of Data Log data in bytes
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//
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// @retval EFI_SUCCESS If data was logged
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// @retval EFI_OUT_OF_RESOURCES If data was not logged due to lack of system
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// resources.
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//**/
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//EFI_STATUS
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//EFIAPI
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//DataHubLogData (
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// IN EFI_DATA_HUB_PROTOCOL *This,
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// IN EFI_GUID *DataRecordGuid,
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// IN EFI_GUID *ProducerName,
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// IN UINT64 DataRecordClass,
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// IN VOID *RawData,
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// IN UINT32 RawDataSize
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// )
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//{
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// EFI_STATUS Status;
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// DATA_HUB_INSTANCE *Private;
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// EFI_DATA_ENTRY *LogEntry;
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// UINT32 TotalSize;
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// UINT32 RecordSize;
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// EFI_DATA_RECORD_HEADER *Record;
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// VOID *Raw;
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// DATA_HUB_FILTER_DRIVER *FilterEntry;
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// LIST_ENTRY *Link;
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// LIST_ENTRY *Head;
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// EFI_TIME LogTime;
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//
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// Private = DATA_HUB_INSTANCE_FROM_THIS (This);
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//
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// //
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// // Combine the storage for the internal structs and a copy of the log record.
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// // Record follows PrivateLogEntry. The consumer will be returned a pointer
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// // to Record so we don't what it to be the thing that was allocated from
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// // pool, so the consumer can't free an data record by mistake.
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// //
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// RecordSize = sizeof (EFI_DATA_RECORD_HEADER) + RawDataSize;
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// TotalSize = sizeof (EFI_DATA_ENTRY) + RecordSize;
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//
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// //
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// // First try to get log time at TPL level <= TPL_CALLBACK.
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// //
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// ZeroMem (&LogTime, sizeof (LogTime));
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// if (EfiGetCurrentTpl() <= TPL_CALLBACK) {
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// gRT->GetTime (&LogTime, NULL);
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// }
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//
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// //
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// // The Logging action is the critical section, so it is locked.
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// // The MTC asignment & update and logging must be an
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// // atomic operation, so use the lock.
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// //
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// Status = EfiAcquireLockOrFail (&Private->DataLock);
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// if (EFI_ERROR(Status)) {
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// //
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// // Reentrancy detected so exit!
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// //
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// return Status;
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// }
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//
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// LogEntry = AllocatePool (TotalSize);
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//
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// if (LogEntry == NULL) {
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// EfiReleaseLock (&Private->DataLock);
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// return EFI_OUT_OF_RESOURCES;
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// }
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//
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// ZeroMem (LogEntry, TotalSize);
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//
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// Record = (EFI_DATA_RECORD_HEADER *) (LogEntry + 1);
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// Raw = (VOID *) (Record + 1);
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//
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// //
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// // Build Standard Log Header
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// //
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// Record->Version = EFI_DATA_RECORD_HEADER_VERSION;
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// Record->HeaderSize = (UINT16) sizeof (EFI_DATA_RECORD_HEADER);
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// Record->RecordSize = RecordSize;
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// CopyMem(&Record->DataRecordGuid, DataRecordGuid, sizeof (EFI_GUID));
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// CopyMem(&Record->ProducerName, ProducerName, sizeof (EFI_GUID));
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// Record->DataRecordClass = DataRecordClass;
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//
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// //
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// // Ensure LogMonotonicCount is not zero
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// //
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// Record->LogMonotonicCount = ++Private->GlobalMonotonicCount;
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//
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// CopyMem(&Record->LogTime, &LogTime, sizeof (LogTime));
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//
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// //
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// // Insert log into the internal linked list.
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// //
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// LogEntry->Signature = EFI_DATA_ENTRY_SIGNATURE;
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// LogEntry->Record = Record;
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// LogEntry->RecordSize = sizeof (EFI_DATA_ENTRY) + RawDataSize;
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// InsertTailList (&Private->DataListHead, &LogEntry->Link);
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//
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// CopyMem(Raw, RawData, RawDataSize);
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//
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// EfiReleaseLock (&Private->DataLock);
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//
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// //
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// // Send Signal to all the filter drivers which are interested
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// // in the record's class and guid.
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// //
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// Head = &Private->FilterDriverListHead;
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// for (Link = GetFirstNode(Head); Link != Head; Link = GetNextNode(Head, Link)) {
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// FilterEntry = FILTER_ENTRY_FROM_LINK (Link);
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// if (((FilterEntry->ClassFilter & DataRecordClass) != 0) &&
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// (IsZeroGuid (&FilterEntry->FilterDataRecordGuid) ||
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// CompareGuid (&FilterEntry->FilterDataRecordGuid, DataRecordGuid))) {
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// gBS->SignalEvent (FilterEntry->Event);
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// }
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// }
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//
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// return EFI_SUCCESS;
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//}
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//
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///**
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// Search the Head doubly linked list for the passed in MTC. Return the
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// matching element in Head and the MTC on the next entry.
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//
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// @param Head Head of Data Log linked list.
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// @param ClassFilter Only match the MTC if it is in the same Class as the
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// ClassFilter.
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// @param PtrCurrentMTC On IN contians MTC to search for. On OUT contians next
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// MTC in the data log list or zero if at end of the list.
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//
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// @retval EFI_DATA_LOG_ENTRY Return pointer to data log data from Head list.
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// @retval NULL If no data record exists.
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//
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//**/
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//EFI_DATA_RECORD_HEADER *
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//GetNextDataRecord (
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// IN LIST_ENTRY *Head,
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// IN UINT64 ClassFilter,
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// IN OUT UINT64 *PtrCurrentMTC
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// )
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//
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//{
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// EFI_DATA_ENTRY *LogEntry;
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// LIST_ENTRY *Link;
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// BOOLEAN ReturnFirstEntry;
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// EFI_DATA_RECORD_HEADER *Record;
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// EFI_DATA_ENTRY *NextLogEntry;
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//
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// //
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// // If MonotonicCount == 0 just return the first one
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// //
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// ReturnFirstEntry = (BOOLEAN) (*PtrCurrentMTC == 0);
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//
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// Record = NULL;
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// for (Link = GetFirstNode(Head); Link != Head; Link = GetNextNode(Head, Link)) {
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// LogEntry = DATA_ENTRY_FROM_LINK (Link);
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// if ((LogEntry->Record->DataRecordClass & ClassFilter) == 0) {
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// //
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// // Skip any entry that does not have the correct ClassFilter
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// //
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// continue;
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// }
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//
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// if ((LogEntry->Record->LogMonotonicCount == *PtrCurrentMTC) || ReturnFirstEntry) {
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// //
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// // Return record to the user
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// //
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// Record = LogEntry->Record;
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//
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// //
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// // Calculate the next MTC value. If there is no next entry set
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// // MTC to zero.
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// //
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// *PtrCurrentMTC = 0;
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// for (Link = GetNextNode(Head, Link); Link != Head; Link = GetNextNode(Head, Link)) {
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// NextLogEntry = DATA_ENTRY_FROM_LINK (Link);
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// if ((NextLogEntry->Record->DataRecordClass & ClassFilter) != 0) {
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// //
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// // Return the MTC of the next thing to search for if found
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// //
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// *PtrCurrentMTC = NextLogEntry->Record->LogMonotonicCount;
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// break;
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// }
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// }
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// //
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// // Record found exit loop and return
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// //
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// break;
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// }
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// }
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//
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// return Record;
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//}
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//
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///**
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// Search the Head list for a EFI_DATA_HUB_FILTER_DRIVER member that
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// represents Event and return it.
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//
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// @param Head Pointer to head of dual linked list of EFI_DATA_HUB_FILTER_DRIVER structures.
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// @param Event Event to be search for in the Head list.
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//
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// @retval EFI_DATA_HUB_FILTER_DRIVER Returned if Event stored in the Head doubly linked list.
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// @retval NULL If Event is not in the list
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//
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//**/
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//DATA_HUB_FILTER_DRIVER *
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//FindFilterDriverByEvent (
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// IN LIST_ENTRY *Head,
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// IN EFI_EVENT Event
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// )
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//{
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// DATA_HUB_FILTER_DRIVER *FilterEntry;
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// LIST_ENTRY *Link;
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//
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// for (Link = GetFirstNode(Head); Link != Head; Link = GetNextNode(Head, Link)) {
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// FilterEntry = FILTER_ENTRY_FROM_LINK (Link);
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// if (FilterEntry->Event == Event) {
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// return FilterEntry;
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// }
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// }
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//
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// return NULL;
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//}
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//
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///**
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//
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// Get a previously logged data record and the MonotonicCount for the next
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// available Record. This allows all records or all records later
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// than a give MonotonicCount to be returned. If an optional FilterDriverEvent
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// is passed in with a MonotonicCout of zero return the first record
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// not yet read by the filter driver. If FilterDriverEvent is NULL and
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// MonotonicCount is zero return the first data record.
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//
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// @param This Pointer to the EFI_DATA_HUB_PROTOCOL instance.
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// @param MonotonicCount Specifies the Record to return. On input, zero means
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// return the first record. On output, contains the next
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// record to available. Zero indicates no more records.
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// @param FilterDriverEvent If FilterDriverEvent is not passed in a MonotonicCount
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// of zero, it means to return the first data record.
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// If FilterDriverEvent is passed in, then a MonotonicCount
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// of zero means to return the first data not yet read by
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// FilterDriverEvent.
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// @param Record Returns a dynamically allocated memory buffer with a data
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// record that matches MonotonicCount.
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//
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// @retval EFI_SUCCESS Data was returned in Record.
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// @retval EFI_INVALID_PARAMETER FilterDriverEvent was passed in but does not exist.
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// @retval EFI_NOT_FOUND MonotonicCount does not match any data record in the
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// system. If a MonotonicCount of zero was passed in, then
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// no data records exist in the system.
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// @retval EFI_OUT_OF_RESOURCES Record was not returned due to lack of system resources.
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//
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//**/
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//EFI_STATUS
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//EFIAPI
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//DataHubGetNextRecord (
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// IN EFI_DATA_HUB_PROTOCOL *This,
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// IN OUT UINT64 *MonotonicCount,
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// IN EFI_EVENT *FilterDriverEvent, OPTIONAL
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// OUT EFI_DATA_RECORD_HEADER **Record
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// )
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//{
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// DATA_HUB_INSTANCE *Private;
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// DATA_HUB_FILTER_DRIVER *FilterDriver;
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// UINT64 ClassFilter;
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//
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// Private = DATA_HUB_INSTANCE_FROM_THIS (This);
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//
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// FilterDriver = NULL;
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// ClassFilter = EFI_DATA_RECORD_CLASS_DEBUG |
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// EFI_DATA_RECORD_CLASS_ERROR |
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// EFI_DATA_RECORD_CLASS_DATA |
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// EFI_DATA_RECORD_CLASS_PROGRESS_CODE;
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//
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// //
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// // If FilterDriverEvent is NULL, then return the next record
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// //
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// if (FilterDriverEvent == NULL) {
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// *Record = GetNextDataRecord (&Private->DataListHead, ClassFilter, MonotonicCount);
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// if (*Record == NULL) {
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// return EFI_NOT_FOUND;
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// }
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// return EFI_SUCCESS;
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// }
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//
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// //
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// // For events the beginning is the last unread record. This info is
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// // stored in the instance structure, so we must look up the event
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// // to get the data.
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// //
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// FilterDriver = FindFilterDriverByEvent (
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// &Private->FilterDriverListHead,
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// *FilterDriverEvent
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// );
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// if (FilterDriver == NULL) {
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// return EFI_INVALID_PARAMETER;
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// }
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// //
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// // Use the Class filter the event was created with.
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// //
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// ClassFilter = FilterDriver->ClassFilter;
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//
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// //
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// // Retrieve the next record or the first record.
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// //
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// if (*MonotonicCount != 0 || FilterDriver->GetNextMonotonicCount == 0) {
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// *Record = GetNextDataRecord (&Private->DataListHead, ClassFilter, MonotonicCount);
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// if (*Record == NULL) {
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// return EFI_NOT_FOUND;
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// }
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//
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// if (*MonotonicCount != 0) {
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// //
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// // If this was not the last record then update the count associated with the filter
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// //
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// FilterDriver->GetNextMonotonicCount = *MonotonicCount;
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// } else {
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// //
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// // Save the MonotonicCount of the last record which has been read
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// //
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// FilterDriver->GetNextMonotonicCount = (*Record)->LogMonotonicCount;
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// }
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// return EFI_SUCCESS;
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// }
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//
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// //
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// // This is a request to read the first record that has not been read yet.
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// // Set MonotoicCount to the last record successfuly read
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// //
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// *MonotonicCount = FilterDriver->GetNextMonotonicCount;
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//
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// //
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// // Retrieve the last record successfuly read again, but do not return it since
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// // it has already been returned before.
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// //
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// *Record = GetNextDataRecord (&Private->DataListHead, ClassFilter, MonotonicCount);
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// if (*Record == NULL) {
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// return EFI_NOT_FOUND;
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// }
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//
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// if (*MonotonicCount != 0) {
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// //
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// // Update the count associated with the filter
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// //
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// FilterDriver->GetNextMonotonicCount = *MonotonicCount;
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//
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// //
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// // Retrieve the record after the last record successfuly read
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// //
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// *Record = GetNextDataRecord (&Private->DataListHead, ClassFilter, MonotonicCount);
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// if (*Record == NULL) {
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// return EFI_NOT_FOUND;
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// }
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// }
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//
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// return EFI_SUCCESS;
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//}
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//
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///**
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// This function registers the data hub filter driver that is represented
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// by FilterEvent. Only one instance of each FilterEvent can be registered.
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// After the FilterEvent is registered, it will be signaled so it can sync
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// with data records that have been recorded prior to the FilterEvent being
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// registered.
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//
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// @param This Pointer to The EFI_DATA_HUB_PROTOCOL instance.
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// @param FilterEvent The EFI_EVENT to signal whenever data that matches
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// FilterClass is logged in the system.
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// @param FilterTpl The maximum EFI_TPL at which FilterEvent can be
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// signaled. It is strongly recommended that you use the
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// lowest EFI_TPL possible.
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// @param FilterClass FilterEvent will be signaled whenever a bit in
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// EFI_DATA_RECORD_HEADER.DataRecordClass is also set in
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// FilterClass. If FilterClass is zero, no class-based
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// filtering will be performed.
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// @param FilterDataRecordGuid FilterEvent will be signaled whenever FilterDataRecordGuid
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// matches EFI_DATA_RECORD_HEADER.DataRecordGuid. If
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// FilterDataRecordGuid is NULL, then no GUID-based filtering
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// will be performed.
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//
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// @retval EFI_SUCCESS The filter driver event was registered.
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// @retval EFI_ALREADY_STARTED FilterEvent was previously registered and cannot be
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// registered again.
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// @retval EFI_OUT_OF_RESOURCES The filter driver event was not registered due to lack of
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// system resources.
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//
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//**/
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//EFI_STATUS
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//EFIAPI
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//DataHubRegisterFilterDriver (
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// IN EFI_DATA_HUB_PROTOCOL * This,
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// IN EFI_EVENT FilterEvent,
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// IN EFI_TPL FilterTpl,
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// IN UINT64 FilterClass,
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// IN EFI_GUID * FilterDataRecordGuid OPTIONAL
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// )
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//
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//{
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// DATA_HUB_INSTANCE *Private;
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// DATA_HUB_FILTER_DRIVER *FilterDriver;
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//
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// Private = DATA_HUB_INSTANCE_FROM_THIS (This);
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//
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// FilterDriver = (DATA_HUB_FILTER_DRIVER *) AllocateZeroPool(sizeof (DATA_HUB_FILTER_DRIVER));
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// if (FilterDriver == NULL) {
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// return EFI_OUT_OF_RESOURCES;
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// }
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// //
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// // Initialize filter driver info
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// //
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// FilterDriver->Signature = EFI_DATA_HUB_FILTER_DRIVER_SIGNATURE;
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// FilterDriver->Event = FilterEvent;
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// FilterDriver->Tpl = FilterTpl;
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// FilterDriver->GetNextMonotonicCount = 0;
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// if (FilterClass == 0) {
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// FilterDriver->ClassFilter = EFI_DATA_RECORD_CLASS_DEBUG |
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// EFI_DATA_RECORD_CLASS_ERROR |
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// EFI_DATA_RECORD_CLASS_DATA |
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// EFI_DATA_RECORD_CLASS_PROGRESS_CODE;
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// } else {
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// FilterDriver->ClassFilter = FilterClass;
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// }
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//
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// if (FilterDataRecordGuid != NULL) {
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// CopyMem(&FilterDriver->FilterDataRecordGuid, FilterDataRecordGuid, sizeof (EFI_GUID));
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// }
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// //
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// // Search for duplicate entries
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// //
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// if (FindFilterDriverByEvent (&Private->FilterDriverListHead, FilterEvent) != NULL) {
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// FreePool(FilterDriver);
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// return EFI_ALREADY_STARTED;
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// }
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// //
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// // Make insertion an atomic operation with the lock.
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// //
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// EfiAcquireLock (&Private->DataLock);
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// InsertTailList (&Private->FilterDriverListHead, &FilterDriver->Link);
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// EfiReleaseLock (&Private->DataLock);
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//
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// //
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// // Signal the Filter driver we just loaded so they will recieve all the
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// // previous history. If we did not signal here we would have to wait until
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// // the next data was logged to get the history. In a case where no next
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// // data was logged we would never get synced up.
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// //
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// gBS->SignalEvent (FilterEvent);
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//
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// return EFI_SUCCESS;
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//}
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//
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///**
|
|
// Remove a Filter Driver, so it no longer gets called when data
|
|
// information is logged.
|
|
//
|
|
// @param This Protocol instance structure
|
|
//
|
|
// @param FilterEvent Event that represents a filter driver that is to be
|
|
// Unregistered.
|
|
//
|
|
// @retval EFI_SUCCESS If FilterEvent was unregistered
|
|
// @retval EFI_NOT_FOUND If FilterEvent does not exist
|
|
//**/
|
|
//EFI_STATUS
|
|
//EFIAPI
|
|
//DataHubUnregisterFilterDriver (
|
|
// IN EFI_DATA_HUB_PROTOCOL *This,
|
|
// IN EFI_EVENT FilterEvent
|
|
// )
|
|
//{
|
|
// DATA_HUB_INSTANCE *Private;
|
|
// DATA_HUB_FILTER_DRIVER *FilterDriver;
|
|
//
|
|
// Private = DATA_HUB_INSTANCE_FROM_THIS (This);
|
|
//
|
|
// //
|
|
// // Search for duplicate entries
|
|
// //
|
|
// FilterDriver = FindFilterDriverByEvent (
|
|
// &Private->FilterDriverListHead,
|
|
// FilterEvent
|
|
// );
|
|
// if (FilterDriver == NULL) {
|
|
// return EFI_NOT_FOUND;
|
|
// }
|
|
// //
|
|
// // Make removal an atomic operation with the lock
|
|
// //
|
|
// EfiAcquireLock (&Private->DataLock);
|
|
// RemoveEntryList (&FilterDriver->Link);
|
|
// EfiReleaseLock (&Private->DataLock);
|
|
//
|
|
// return EFI_SUCCESS;
|
|
//}
|
|
//
|
|
//
|
|
//
|
|
///**
|
|
// Driver's Entry point routine that install Driver to produce Data Hub protocol.
|
|
//
|
|
// @param ImageHandle Module's image handle
|
|
// @param SystemTable Pointer of EFI_SYSTEM_TABLE
|
|
//
|
|
// @retval EFI_SUCCESS Logging Hub protocol installed
|
|
// @retval Other No protocol installed, unload driver.
|
|
//
|
|
//**/
|
|
//EFI_STATUS
|
|
//EFIAPI
|
|
//DataHubInstall (
|
|
// IN EFI_HANDLE ImageHandle,
|
|
// IN EFI_SYSTEM_TABLE *SystemTable
|
|
// )
|
|
//{
|
|
// EFI_STATUS Status;
|
|
// UINT32 HighMontonicCount;
|
|
//
|
|
// mPrivateData.Signature = DATA_HUB_INSTANCE_SIGNATURE;
|
|
// mPrivateData.DataHub.LogData = DataHubLogData;
|
|
// mPrivateData.DataHub.GetNextRecord = DataHubGetNextRecord;
|
|
// mPrivateData.DataHub.RegisterFilterDriver = DataHubRegisterFilterDriver;
|
|
// mPrivateData.DataHub.UnregisterFilterDriver = DataHubUnregisterFilterDriver;
|
|
//
|
|
// //
|
|
// // Initialize Private Data in CORE_LOGGING_HUB_INSTANCE that is
|
|
// // required by this protocol
|
|
// //
|
|
// InitializeListHead (&mPrivateData.DataListHead);
|
|
// InitializeListHead (&mPrivateData.FilterDriverListHead);
|
|
//
|
|
// EfiInitializeLock (&mPrivateData.DataLock, TPL_NOTIFY);
|
|
//
|
|
// //
|
|
// // Make sure we get a bigger MTC number on every boot!
|
|
// //
|
|
// Status = gRT->GetNextHighMonotonicCount (&HighMontonicCount);
|
|
// if (EFI_ERROR(Status)) {
|
|
// //
|
|
// // if system service fails pick a sane value.
|
|
// //
|
|
// mPrivateData.GlobalMonotonicCount = 0;
|
|
// } else {
|
|
// mPrivateData.GlobalMonotonicCount = LShiftU64 ((UINT64) HighMontonicCount, 32);
|
|
// }
|
|
// //
|
|
// // Make a new handle and install the protocol
|
|
// //
|
|
// mPrivateData.Handle = NULL;
|
|
// Status = gBS->InstallProtocolInterface (
|
|
// &mPrivateData.Handle,
|
|
// &gEfiDataHubProtocolGuid,
|
|
// EFI_NATIVE_INTERFACE,
|
|
// &mPrivateData.DataHub
|
|
// );
|
|
// return Status;
|
|
//}
|
|
|
|
EFI_DATA_HUB_PROTOCOL *
|
|
DataHubInstall (
|
|
VOID
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
CloverDataHubInstall (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
if ( DataHubInstall() != EFI_SUCCESS) return EFI_NOT_FOUND;
|
|
return EFI_SUCCESS;
|
|
}
|
|
|