LCOM1920-T02G10

/*        $NetBSD: pmc.h,v 1.5 2005/12/11 12:25:20 christos Exp $        */

/*

 * Copyright (c) 2002 Wasabi Systems, Inc.

 * All rights reserved.

 *

 * Written by Allen Briggs for Wasabi Systems, Inc.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. All advertising materials mentioning features or use of this software

 *    must display the following acknowledgement:

 *      This product includes software developed for the NetBSD Project by

 *      Wasabi Systems, Inc.

 * 4. The name of Wasabi Systems, Inc. may not be used to endorse

 *    or promote products derived from this software without specific prior

 *    written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED

 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC

 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 */

#ifndef _SYS_PMC_H_

#define        _SYS_PMC_H_

struct pmc_counter_cfg {

        pmc_evid_t        event_id;                /* What event to configure */

        pmc_ctr_t        reset_value;                /* Value to set counter to */

        uint32_t        flags;                        /* PMC_FLAG_* */

};

#if defined(_KERNEL)

/*

 *      The following functions are defined in machine/pmc.h as either

 * functions or macros.

 *

 * int        pmc_get_num_counters(void);

 * int        pmc_get_counter_type(int ctr);

 *

 * void        pmc_save_context(struct proc *p);

 * void        pmc_restore_context(struct proc *p);

 * void        pmc_process_exit(struct proc *p);

 *

 * int        pmc_enable_counter(struct proc *p, int ctr);

 * int        pmc_disable_counter(struct proc *p, int ctr);

 * int        pmc_counter_isrunning(struct proc *p, int ctr);

 * int        pmc_counter_isconfigured(struct proc *p, int ctr);

 *

 * int        pmc_configure_counter(struct proc *p, int ctr, pmc_counter_cfg *cfg);

 *

 * int        pmc_get_counter_value(struct proc *p, int ctr, int flags,

 *          uint64_t *pval);

 *

 * int        pmc_accumulate(struct proc *p_parent, struct proc *p_exiting);

 *

 * int        pmc_alloc_kernel_counter(int ctr, struct pmc_counter_cfg *cfg);

 * int        pmc_free_kernel_counter(int ctr);

 *

 * int        pmc_start_profiling(int ctr, struct pmc_counter_cfg *cfg);

 * int        pmc_stop_profiling(int ctr);

 *

 * int        PMC_ENABLED(struct proc *p);

 */

#define PMC_VALUE_FLAGS_CHILDREN        0x00000001

#endif        /* _KERNEL */

#include <machine/pmc.h>

#define PMC_OP_START                1

#define PMC_OP_STOP                2

#define PMC_OP_CONFIGURE        3

#define PMC_OP_PROFSTART        4

#define PMC_OP_PROFSTOP                5

int        pmc_control(int ctr, int operation, void *args);

#define PMC_INFO_NCOUNTERS                        1

#define PMC_INFO_CPUCTR_TYPE                        2

#define PMC_INFO_COUNTER_VALUE                        3

#define PMC_INFO_ACCUMULATED_COUNTER_VALUE        4

int        pmc_get_info(int ctr, int request, void *data);

#endif        /* !_SYS_PMC_H_ */