arch/x86/kernel/platform/i86pc/include/sys/tsc.h

   1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11
  12 /*
  13  * Copyright 2016 Joyent, Inc.
  14  */
  15
  16 #ifndef _TSC_H
  17 #define _TSC_H
  18
  19 /*
  20  * flags to patch tsc_read routine.
  21  */
  22 #define TSC_NONE                0x0
  23 #define TSC_RDTSC_CPUID         0x1
  24 #define TSC_RDTSC_MFENCE        0x2
  25 #define TSC_RDTSC_LFENCE        0x3
  26 #define TSC_TSCP                0x4
  27
  28 #endif /* _TSC_H */