freebsd-dev/sys/dev/hwpmc/hwpmc_powerpc.h

65 lines
2.5 KiB
C
Raw Normal View History

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2013 Justin Hibbits
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR OR CONTRIBUTORS 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.
*
* $FreeBSD$
*/
#ifndef _DEV_HWPMC_POWERPC_H_
#define _DEV_HWPMC_POWERPC_H_ 1
#ifdef _KERNEL
#define POWERPC_PMC_CAPS (PMC_CAP_INTERRUPT | PMC_CAP_USER | \
PMC_CAP_SYSTEM | PMC_CAP_EDGE | \
PMC_CAP_THRESHOLD | PMC_CAP_READ | \
PMC_CAP_WRITE | PMC_CAP_INVERT | \
PMC_CAP_QUALIFIER)
#define POWERPC_PMC_KERNEL_ENABLE (0x1 << 30)
#define POWERPC_PMC_USER_ENABLE (0x1 << 31)
#define POWERPC_PMC_ENABLE (POWERPC_PMC_KERNEL_ENABLE | POWERPC_PMC_USER_ENABLE)
#define POWERPC_RELOAD_COUNT_TO_PERFCTR_VALUE(V) (0x80000000-(V))
#define POWERPC_PERFCTR_VALUE_TO_RELOAD_COUNT(P) (0x80000000-(P))
struct powerpc_cpu {
struct pmc_hw *pc_ppcpmcs;
enum pmc_class pc_class;
};
extern struct powerpc_cpu **powerpc_pcpu;
extern int pmc_e500_initialize(struct pmc_mdep *pmc_mdep);
extern int pmc_mpc7xxx_initialize(struct pmc_mdep *pmc_mdep);
extern int pmc_ppc970_initialize(struct pmc_mdep *pmc_mdep);
extern int powerpc_describe(int cpu, int ri, struct pmc_info *pi, struct pmc **ppmc);
extern int powerpc_get_config(int cpu, int ri, struct pmc **ppm);
#endif /* _KERNEL */
#endif /* _DEV_HWPMC_POWERPC_H_ */