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114 lines
4.3 KiB
C
114 lines
4.3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2013 Justin Hibbits
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _DEV_HWPMC_POWERPC_H_
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#define _DEV_HWPMC_POWERPC_H_ 1
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#ifdef _KERNEL
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#define POWERPC_PMC_CAPS (PMC_CAP_INTERRUPT | PMC_CAP_USER | \
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PMC_CAP_SYSTEM | PMC_CAP_EDGE | \
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PMC_CAP_THRESHOLD | PMC_CAP_READ | \
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PMC_CAP_WRITE | PMC_CAP_INVERT | \
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PMC_CAP_QUALIFIER)
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#define POWERPC_PMC_KERNEL_ENABLE (0x1 << 30)
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#define POWERPC_PMC_USER_ENABLE (0x1 << 31)
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#define POWERPC_PMC_ENABLE (POWERPC_PMC_KERNEL_ENABLE | POWERPC_PMC_USER_ENABLE)
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#define POWERPC_RELOAD_COUNT_TO_PERFCTR_VALUE(V) (0x80000000-(V))
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#define POWERPC_PERFCTR_VALUE_TO_RELOAD_COUNT(P) (0x80000000-(P))
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#define POWERPC_MAX_PMC_VALUE 0x7fffffffUL
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#define POWERPC_PMC_HAS_OVERFLOWED(n) (powerpc_pmcn_read(n) & (0x1 << 31))
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/*
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* PMC value is used with OVERFLOWCNT to simulate a 64-bit counter to the
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* machine independent part of hwpmc.
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*/
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#define PPC_OVERFLOWCNT(pm) (pm)->pm_md.pm_powerpc.pm_powerpc_overflowcnt
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#define PPC_OVERFLOWCNT_MAX 0x200000000UL
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struct powerpc_cpu {
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enum pmc_class pc_class;
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struct pmc_hw pc_ppcpmcs[];
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};
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struct pmc_ppc_event {
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enum pmc_event pe_event;
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uint32_t pe_flags;
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#define PMC_FLAG_PMC1 0x01
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#define PMC_FLAG_PMC2 0x02
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#define PMC_FLAG_PMC3 0x04
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#define PMC_FLAG_PMC4 0x08
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#define PMC_FLAG_PMC5 0x10
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#define PMC_FLAG_PMC6 0x20
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#define PMC_FLAG_PMC7 0x40
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#define PMC_FLAG_PMC8 0x80
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uint32_t pe_code;
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};
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extern struct powerpc_cpu **powerpc_pcpu;
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extern struct pmc_ppc_event *ppc_event_codes;
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extern size_t ppc_event_codes_size;
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extern int ppc_event_first;
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extern int ppc_event_last;
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extern int ppc_max_pmcs;
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extern enum pmc_class ppc_class;
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extern void (*powerpc_set_pmc)(int cpu, int ri, int config);
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extern pmc_value_t (*powerpc_pmcn_read)(unsigned int pmc);
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extern void (*powerpc_pmcn_write)(unsigned int pmc, uint32_t val);
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extern void (*powerpc_resume_pmc)(bool ie);
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int pmc_e500_initialize(struct pmc_mdep *pmc_mdep);
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int pmc_mpc7xxx_initialize(struct pmc_mdep *pmc_mdep);
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int pmc_ppc970_initialize(struct pmc_mdep *pmc_mdep);
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int pmc_power8_initialize(struct pmc_mdep *pmc_mdep);
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int powerpc_describe(int cpu, int ri, struct pmc_info *pi, struct pmc **ppmc);
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int powerpc_get_config(int cpu, int ri, struct pmc **ppm);
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int powerpc_pcpu_init(struct pmc_mdep *md, int cpu);
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int powerpc_pcpu_fini(struct pmc_mdep *md, int cpu);
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int powerpc_allocate_pmc(int cpu, int ri, struct pmc *pm,
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const struct pmc_op_pmcallocate *a);
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int powerpc_release_pmc(int cpu, int ri, struct pmc *pmc);
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int powerpc_start_pmc(int cpu, int ri, struct pmc *pm);
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int powerpc_stop_pmc(int cpu, int ri, struct pmc *pm);
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int powerpc_config_pmc(int cpu, int ri, struct pmc *pm);
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pmc_value_t powerpc_pmcn_read_default(unsigned int pmc);
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void powerpc_pmcn_write_default(unsigned int pmc, uint32_t val);
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int powerpc_read_pmc(int cpu, int ri, struct pmc *pm, pmc_value_t *v);
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int powerpc_write_pmc(int cpu, int ri, struct pmc *pm, pmc_value_t v);
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int powerpc_pmc_intr(struct trapframe *tf);
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#endif /* _KERNEL */
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#endif /* _DEV_HWPMC_POWERPC_H_ */
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