/*
 * Copyright © 2012 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 * Authors:
 *    Eugeni Dodonov <eugeni.dodonov@intel.com>
 *
 */

#ifndef _INTEL_STATS_HPP_
#define _INTEL_STATS_HPP_

extern "C" {

#include <sys/types.h>
#include <pthread.h>
#include <pciaccess.h>
#include <stdio.h>
#include <string.h>

#define LP_RING     0x2030
#define RING_HEAD      0x04
#define HEAD_ADDR           0x001FFFFC
#define RING_TAIL      0x00
#define TAIL_ADDR           0x000FFFF8
#define SAMPLES_PER_SEC     1000000

#define PCI_CHIP_I830_M			0x3577
#define PCI_CHIP_845_G			0x2562
#define PCI_CHIP_I855_GM		0x3582
#define PCI_CHIP_I865_G			0x2572

#define IS_GEN2(devid)      (devid == PCI_CHIP_I830_M || \
                 devid == PCI_CHIP_845_G || \
                 devid == PCI_CHIP_I855_GM || \
                 devid == PCI_CHIP_I865_G)

struct _Stats {
    struct timeval user;
    struct timeval system;
    unsigned long long gpu;
    unsigned long long gpuidle;
    struct timeval time;
};
typedef struct _Stats Stats;

void m_init();
void m_reset();
void *m_monitor(void *data);
Stats m_count();

}

#endif /* _INTEL_STATS_HPP_ */