arch/tile/include/asm/memprof.h

   1 /*
   2  * Copyright 2010 Tilera Corporation. All Rights Reserved.
   3  *
   4  *   This program is free software; you can redistribute it and/or
   5  *   modify it under the terms of the GNU General Public License
   6  *   as published by the Free Software Foundation, version 2.
   7  *
   8  *   This program is distributed in the hope that it will be useful, but
   9  *   WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  11  *   NON INFRINGEMENT.  See the GNU General Public License for
  12  *   more details.
  13  *
  14  * The hypervisor's memory controller profiling infrastructure allows
  15  * the programmer to find out what fraction of the available memory
  16  * bandwidth is being consumed at each memory controller.  The
  17  * profiler provides start, stop, and clear operations to allows
  18  * profiling over a specific time window, as well as an interface for
  19  * reading the most recent profile values.
  20  *
  21  * This header declares IOCTL codes necessary to control memprof.
  22  */
  23 #ifndef _ASM_TILE_MEMPROF_H
  24 #define _ASM_TILE_MEMPROF_H
  25
  26 #include <linux/ioctl.h>
  27
  28 #define MEMPROF_IOCTL_TYPE 0xB4
  29 #define MEMPROF_IOCTL_START _IO(MEMPROF_IOCTL_TYPE, 0)
  30 #define MEMPROF_IOCTL_STOP _IO(MEMPROF_IOCTL_TYPE, 1)
  31 #define MEMPROF_IOCTL_CLEAR _IO(MEMPROF_IOCTL_TYPE, 2)
  32
  33 #endif /* _ASM_TILE_MEMPROF_H */