mirror of https://github.com/acidanthera/audk.git
1) Add blank before @file to follows doxygen style.
2) Adjust function order to avoid pre-declaration for function prototype. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8644 6f19259b-4bc3-4df7-8a09-765794883524
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klu2
parent
588e329920
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8b7a357816
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@ -23,22 +23,6 @@ CONST EFI_GUID gZeroGuid = { 0, 0, 0, { 0, 0, 0, 0, 0, 0, 0, 0 } };
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//
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DATA_HUB_INSTANCE mPrivateData;
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//
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// Worker functions private to this file
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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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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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Log data record into the data logging hub
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@ -157,6 +141,110 @@ DataHubLogData (
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return EFI_SUCCESS;
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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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@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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@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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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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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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// If MonotonicCount == 0 just return the first one
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//
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ReturnFirstEntry = (BOOLEAN) (*PtrCurrentMTC == 0);
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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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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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// 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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return Record;
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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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@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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@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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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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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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return NULL;
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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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@ -417,109 +505,7 @@ DataHubUnregisterFilterDriver (
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return EFI_SUCCESS;
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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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@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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@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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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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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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return NULL;
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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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@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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@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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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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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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// If MonotonicCount == 0 just return the first one
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//
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ReturnFirstEntry = (BOOLEAN) (*PtrCurrentMTC == 0);
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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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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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// 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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return Record;
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}
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/**
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Driver's Entry point routine that install Driver to produce Data Hub protocol.
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@ -1,4 +1,4 @@
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/**@file
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/** @file
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This code supports a the private implementation
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of the Data Hub protocol
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@ -1,4 +1,4 @@
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/**@file
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/** @file
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Data Hub filter driver that takes DEBUG () info from Data Hub and writes it
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to StdErr if it exists.
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