EtwpSetCompressionSettings

INT64 __fastcall EtwpSetCompressionSettings(UINT64 *a1){
  unsigned int v2; 
  __int64 *CurrentServerSiloGlobals; 
  _WMI_LOGGER_CONTEXT *v4; 
  unsigned int *v5; 
  UINT64 v6; 
  _ETHREAD *CurrentThread; 
  unsigned int SessionId; 
  char v9; 
  int v10; 
  unsigned __int64 v11; 
  bool v12; 
  __int64 v13; 
  int v14; 
  unsigned int v15; 
  __int64 v16; 
  int v18; 
  v2 = 0;
  CurrentServerSiloGlobals = PsGetCurrentServerSiloGlobals();
  v4 = EtwpAcquireLoggerContextByLoggerId((_ETW_SILODRIVERSTATE *)CurrentServerSiloGlobals[108], *(unsigned int *)a1, 0);
  v5 = (unsigned int *)v4;
  if( v4 )
  {
    v6 = (UINT64)v4 + 1128;
    ExAcquirePushLockExclusiveEx((UINT64)v4 + 1128, 0i64);
    v5[290] = *((_DWORD *)a1 + 1);
    v5[289] = *((_DWORD *)a1 + 2);
    v5[291] = *((_DWORD *)a1 + 3);
    if( (_InterlockedExchangeAdd64((volatile signed __int64 *)v6, 0xFFFFFFFFFFFFFFFFui64) & 6) == 2 )
      ExfTryToWakePushLock((volatile INT64 *)v6);
    CurrentThread = (_ETHREAD *)KeGetCurrentThread();
    v18 = 0;
    if( (unsigned int)MiGetSystemRegionType(v6) == 1 )
      SessionId = MmGetSessionIdEx(*((_QWORD *)CurrentThread + 23));
    else
      SessionId = -1;
    --*((_WORD *)CurrentThread + 243);
    v9 = ++*((_BYTE *)CurrentThread + 794);
    v10 = (*((char *)CurrentThread + 792) | *((char *)CurrentThread + 870)) ^ 0x3F;
    while( 1 )
    {
      v12 = !_BitScanReverse((unsigned int *)&v13, v10);
      if( v12 )
        goto LABEL_15;
      v11 = *((_QWORD *)CurrentThread + 100) + 96 * v13;
      v10 &= ~(1 << v13);
      if( (*(_BYTE *)(v11 + 26) & 1) != 0
        && (*(_DWORD *)(v11 + 32) & 1) == 0
        && (*(_QWORD *)(v11 + 32) & 0x7FFFFFFFFFFFFFFCi64) == (v6 & 0x7FFFFFFFFFFFFFFCi64)
        && *(_DWORD *)(v11 + 40) == SessionId )
      {
        *(_BYTE *)(v11 + 26) &= ~1u;
        if( *(_QWORD *)(v11 + 32) )
          break;
      }
    }
    if( !v11 )
    {
LABEL_15:
      if( (*((_DWORD *)CurrentThread + 30) & 0x10000) == 0 )
        KeBugCheckEx(0x162u, (ULONG_PTR)CurrentThread, v6, SessionId, 0i64);
      goto LABEL_22;
    }
    *(_BYTE *)(v11 + 32) |= 2u;
    if( *(__int64 *)(v11 + 32) < 0 )
      KiAbEntryRemoveFromTree(v11);
    v14 = *(_DWORD *)(v11 + 88) & 0x1FFFF;
    v15 = *(_DWORD *)(v11 + 88) & 0xFFFE0000;
    *(_BYTE *)(v11 + 25) &= ~1u;
    v18 = v14;
    *(_DWORD *)(v11 + 88) = v15;
    *(_QWORD *)(v11 + 32) = 0i64;
    v16 = (__int64)(v11 - *((_QWORD *)CurrentThread + 100)) / 96;
    if( v9 == 1 )
      *((_BYTE *)CurrentThread + 792) |= 1 << v16;
    else
      _InterlockedOr8((volatile signed __int8 *)CurrentThread + 870, 1 << v16);
LABEL_22:
    --*((_BYTE *)CurrentThread + 794);
    KiAbThreadRemoveBoosts((ULONG_PTR)CurrentThread, v6, (unsigned int *)&v18);
    v12 = (*((_WORD *)CurrentThread + 243))++ == 0xFFFF;
    if( v12 && *((_ETHREAD **)CurrentThread + 19) != (_ETHREAD *)((char *)CurrentThread + 152) )
      KiCheckForKernelApcDelivery();
    EtwpReleaseLoggerContext(v5, 0);
  }
  else
  {
    return(unsigned int)-1073741811;
  }
  return v2;
}

Referenced by: