/****************************/

/* THIS IS OPEN SOURCE CODE */

/****************************/

/**

 * @file    appio.h

 * CVS:     $Id: appio.h,v 1.1.2.4 2012/02/01 05:01:00 tmohan Exp $

 *

 * @author  Philip Mucci

 *          phil.mucci@samaratechnologygroup.com

 *

 * @author  Tushar Mohan

 *          tushar.mohan@samaratechnologygroup.com

 *

 * @ingroup papi_components

 *

 * @brief appio component

 *  This file contains the source code for a component that enables

 *  PAPI to access application level file and socket I/O information.

 *  It does this through function replacement in the first person and

 *  by trapping syscalls in the third person.

 */

#ifndef _PAPI_APPIO_H

#define _PAPI_APPIO_H

#include <unistd.h>

/*************************  DEFINES SECTION  ***********************************/

/* Set this equal to the number of elements in _appio_counter_info array */

#define APPIO_MAX_COUNTERS 45

/** Structure that stores private information of each event */

typedef struct APPIO_register

{

    /* This is used by the framework. It likes it to be !=0 to do something */

    unsigned int selector;

} APPIO_register_t;

/*

 * The following structures mimic the ones used by other components. It is more

 * convenient to use them like that as programming with PAPI makes specific

 * assumptions for them.

 */

/* This structure is used to build the table of events */

typedef struct APPIO_native_event_entry

{

    APPIO_register_t resources;

    const char* name;

    const char* description;

} APPIO_native_event_entry_t;

typedef struct APPIO_reg_alloc

{

    APPIO_register_t ra_bits;

} APPIO_reg_alloc_t;

typedef struct APPIO_control_state

{

    int num_events;

    int counter_bits[APPIO_MAX_COUNTERS];

    long long values[APPIO_MAX_COUNTERS]; // used for caching

} APPIO_control_state_t;

typedef struct APPIO_context

{

    APPIO_control_state_t state;

} APPIO_context_t;

/*************************  GLOBALS SECTION  ***********************************

 *******************************************************************************/

#endif /* _PAPI_APPIO_H */

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