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 */ 34