452 lines
12 KiB
C
452 lines
12 KiB
C
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/*++
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Module Name:
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MCALOG.C
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Abstract:
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Sample Application for logging errors for Machine Check Architecture
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Author:
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Anil Aggarwal (10/12/98)
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Intel Corporation
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Revision History:
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--*/
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#include <windows.h>
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#include <winioctl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <winbase.h>
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#include <mce.h>
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#include "imca.h"
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//
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// Variables for parsing command line arguments
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//
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extern int opterr;
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extern int optind;
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extern char *optarg;
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//
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// Print the usage information for MCA logging application
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//
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VOID
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McaUsage(
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PCHAR Name
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)
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{
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fprintf(stderr,"Usage\n\t%s: [-s] [-a]\n",Name);
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fprintf(stderr,"\n\t-s: Read Machine Check registers now\n");
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fprintf(stderr,"\n\t-a: Post asynchronous request for errors\n");
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ExitProcess(1);
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}
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//
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// This routine prints the Machine Check registers
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//
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#if defined(_X86_)
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VOID
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PrintX86McaLog(
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PMCA_EXCEPTION McaException
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)
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{
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if (McaException->ExceptionType != HAL_MCA_RECORD) {
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fprintf(stderr, "Bad exception record type\n");
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//ExitProcess(1);
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}
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printf("Processor Number = %d\n", McaException->ProcessorNumber);
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printf("Bank Number = %d\n", (__int64)McaException->u.Mca.BankNumber);
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printf("Mci_Status %I64X\n", (__int64)McaException->u.Mca.Status.QuadPart);
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printf("Mci_Address %I64X\n", (__int64)McaException->u.Mca.Address.QuadPart);
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printf("Mci_Misc %I64X\n", (__int64)McaException->u.Mca.Misc);
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} // PrintX86McaLog()
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#define McaPrintLog PrintX86McaLog
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#endif // _X86_
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#if defined(_IA64_)
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#define ERROR_RECORD_HEADER_FORMAT \
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"MCA Error Record Header\n" \
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"\tId : 0x%I64x\n" \
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"\tRevision : 0x%x\n" \
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"\t\tMajor : %x\n" \
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"\t\tMinor : %x\n" \
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"\tSeverity : 0x%x\n" \
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"\tValid : 0x%x\n" \
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"\t\tPlatformId: %x\n" \
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"\tLength : 0x%x\n" \
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"\tTimeStamp : 0x%I64x\n" \
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"\t\tSeconds: %x\n" \
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"\t\tMinutes: %x\n" \
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"\t\tHours : %x\n" \
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"\t\tDay : %x\n" \
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"\t\tMonth : %x\n" \
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"\t\tYear : %x\n" \
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"\t\tCentury: %x\n" \
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"\tPlatformId: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x\n"
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VOID
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PrintIa64ErrorRecordHeader(
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PERROR_RECORD_HEADER Header
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)
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{
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printf( ERROR_RECORD_HEADER_FORMAT,
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(ULONGLONG) Header->Id,
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(ULONG) Header->Revision.Revision,
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(ULONG) Header->Revision.Major, (ULONG) Header->Revision.Minor,
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(ULONG) Header->ErrorSeverity,
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(ULONG) Header->Valid.Valid,
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(ULONG) Header->Valid.OemPlatformID,
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(ULONG) Header->Length,
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(ULONGLONG) Header->TimeStamp.TimeStamp,
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(ULONG) Header->TimeStamp.Seconds,
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(ULONG) Header->TimeStamp.Minutes,
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(ULONG) Header->TimeStamp.Hours,
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(ULONG) Header->TimeStamp.Day,
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(ULONG) Header->TimeStamp.Month,
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(ULONG) Header->TimeStamp.Year,
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(ULONG) Header->TimeStamp.Century,
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(ULONG) Header->OemPlatformId[0],
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(ULONG) Header->OemPlatformId[1],
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(ULONG) Header->OemPlatformId[2],
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(ULONG) Header->OemPlatformId[3],
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(ULONG) Header->OemPlatformId[4],
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(ULONG) Header->OemPlatformId[5],
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(ULONG) Header->OemPlatformId[6],
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(ULONG) Header->OemPlatformId[7],
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(ULONG) Header->OemPlatformId[8],
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(ULONG) Header->OemPlatformId[9],
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(ULONG) Header->OemPlatformId[10],
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(ULONG) Header->OemPlatformId[11],
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(ULONG) Header->OemPlatformId[12],
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(ULONG) Header->OemPlatformId[13],
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(ULONG) Header->OemPlatformId[14],
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(ULONG) Header->OemPlatformId[15]
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);
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return;
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} // PrintIa64ErrorRecordHeader()
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VOID
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PrintIa64McaLog(
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PMCA_EXCEPTION McaException
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)
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{
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//
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// Start by printing the record header.
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//
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PrintIa64ErrorRecordHeader( McaException );
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//
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// Then print and/or process error device specific information here.
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//
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return;
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} // PrintIa64McaLog()
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#define McaPrintLog PrintIa64McaLog
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#endif // _IA64_
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//
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// This routine prints a user friendly error message based on GetLastError()
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//
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VOID
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McaPrintError(
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VOID
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)
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{
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LPVOID lpMsgBuf;
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FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER |
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FORMAT_MESSAGE_FROM_SYSTEM |
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FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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GetLastError(),
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
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(LPTSTR) &lpMsgBuf,
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0,
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NULL
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);
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fprintf(stderr, "%s\n", lpMsgBuf);
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LocalFree( lpMsgBuf );
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}
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//
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// Main entry point
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//
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int
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__cdecl
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main(
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int argc,
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char *argv[]
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)
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{
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CHAR Option;
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BOOLEAN ReadBanks = FALSE;
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BOOLEAN PostAsyncRequest = FALSE;
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HANDLE McaDeviceHandle;
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HANDLE LogEvent;
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OVERLAPPED Overlap;
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BOOL ReturnStatus;
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DWORD ActualCount;
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DWORD WaitStatus;
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DWORD NumberOfBytes;
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MCA_EXCEPTION McaException;
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LONG i;
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//
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// Process the command line arguments
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//
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for (i=1; i < argc; i++) {
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if (!((argv[i][0] == '-') || (argv[i][2] != 0)) ) {
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McaUsage(argv[0]);
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}
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Option = argv[i][1];
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switch (Option) {
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case 's':
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ReadBanks = TRUE;
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break;
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case 'a':
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PostAsyncRequest = TRUE;
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break;
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default:
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McaUsage(argv[0]);
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}
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}
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if ((ReadBanks != TRUE) && (PostAsyncRequest != TRUE)) {
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fprintf(stderr, "One of -s and -a options must be specified\n");
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ExitProcess(1);
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}
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if ((ReadBanks == TRUE) && (PostAsyncRequest == TRUE)) {
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fprintf(stderr, "Only one of -s and -a options can be specified\n");
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ExitProcess(1);
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}
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//
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// Open MCA device with overlap flag set
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//
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McaDeviceHandle = CreateFile(
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MCA_DEVICE_NAME_WIN32,
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GENERIC_READ|GENERIC_WRITE,
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0,
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(LPSECURITY_ATTRIBUTES)NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL|FILE_FLAG_OVERLAPPED,
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(HANDLE)NULL
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);
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if (McaDeviceHandle == INVALID_HANDLE_VALUE) {
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fprintf(stderr, "%s: Error 0x%lx opening MCA device\n",
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argv[0], GetLastError());
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ExitProcess(1);
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}
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if (ReadBanks == TRUE) {
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//
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// Read the error logs on all banks on all procs.
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// IOCTL_READ_BANKS will read only one error at a time. So
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// we need to keep issuing this ioctl till all the errors are read
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//
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do {
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ReturnStatus = DeviceIoControl(
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McaDeviceHandle,
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(ULONG)IOCTL_READ_BANKS,
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NULL,
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0,
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&McaException,
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sizeof(MCA_EXCEPTION),
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&ActualCount,
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NULL
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);
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if (ReturnStatus == 0) {
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//
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// Some error has occurred. Either there are no more machine
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// check errors present or the processor does not have
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// support for Intel Machine Check Architecture
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//
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if (GetLastError() == ERROR_NOT_FOUND) {
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fprintf(stderr, "No Machine Check errors present\n");
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} else if (GetLastError() == ERROR_FILE_NOT_FOUND) {
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fprintf(stderr, "Intel Machine Check support not available\n");
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ExitProcess(1);
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} else {
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fprintf(stderr, "%s: Error 0x%lx in DeviceIoControl\n",
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argv[0], GetLastError());
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ExitProcess(1);
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}
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} else {
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//
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// Successfully read the error. Print it.
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//
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McaPrintLog(&McaException);
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}
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} while (ReturnStatus != 0);
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//
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// We are done
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//
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return 1;
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}
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//
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// If we are here, we are supposed to post asynchronous calls to MCA driver
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//
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//
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// Set up structures for asynchronous call for reading the log
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// Create the event object
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//
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LogEvent = CreateEvent(
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NULL, // No Security Attributes
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FALSE, // Auto Reset Event
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FALSE, // Initial State = non-signaled
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NULL // Unnamed object
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);
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if (LogEvent == NULL) {
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fprintf(stderr, "%s: Error 0x%lx creating event\n",
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argv[0], GetLastError());
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ExitProcess(1);
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}
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//
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// Initialize the overlap structure
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//
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Overlap.hEvent = LogEvent; // Specify event for overlapped object
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Overlap.Offset = 0; // Offset is zero for devices
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Overlap.OffsetHigh = 0; // OffsetHigh is zero for devices
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ReturnStatus = DeviceIoControl(
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McaDeviceHandle,
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(ULONG)IOCTL_READ_BANKS_ASYNC,
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NULL,
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0,
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&McaException,
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sizeof(MCA_EXCEPTION),
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&ActualCount,
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&Overlap
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);
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if ((ReturnStatus == 0) && (GetLastError() != ERROR_IO_PENDING)) {
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fprintf(stderr, "%s: Error 0x%lx in IOCTL_READ_BANKS_ASYNC\n",
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argv[0], GetLastError());
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ExitProcess(1);
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}
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//
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// Either Ioctl was successful or IO is currently pending
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// If successful then display the log else wait for specified interval
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//
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if (ReturnStatus == TRUE) {
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//
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// Read log async returned succesfully. Display it
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//
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McaPrintLog(&McaException);
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}
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//
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// Wait forever to get an error
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//
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WaitStatus = WaitForSingleObject(
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LogEvent,
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INFINITE
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);
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if (WaitStatus == WAIT_OBJECT_0) {
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//
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// The state of the event object is signalled
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// check if the I/O operation was successful
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//
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ReturnStatus = GetOverlappedResult(
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McaDeviceHandle,
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&Overlap,
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&NumberOfBytes,
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FALSE // Return immediately
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);
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if (ReturnStatus == 0) {
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fprintf(stderr, "%s: Error 0x%lx in GetOverlappedResult\n",
|
||
|
|
argv[0], GetLastError());
|
||
|
|
ExitProcess(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (NumberOfBytes) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// Print the results
|
||
|
|
//
|
||
|
|
|
||
|
|
McaPrintLog(&McaException);
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
//
|
||
|
|
// Error as the I/O operation was signalled complete before
|
||
|
|
// timeout but no data transferred
|
||
|
|
//
|
||
|
|
|
||
|
|
fprintf(stderr, "%s: No data from GetOverlappedResult\n",
|
||
|
|
argv[0]);
|
||
|
|
ExitProcess(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
//
|
||
|
|
// We should not get any other return value
|
||
|
|
//
|
||
|
|
|
||
|
|
fprintf(stderr, "%s: Unexpected return value from WaitForSingleObject()\n", argv[0]);
|
||
|
|
ExitProcess(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
CloseHandle(McaDeviceHandle);
|
||
|
|
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|