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https://github.com/freebsd/freebsd-src
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126 lines
3.3 KiB
C
126 lines
3.3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2010 Fabien Thomas
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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_UNCORE_H_
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#define _DEV_HWPMC_UNCORE_H_ 1
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/*
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* Fixed-function PMCs.
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*/
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struct pmc_md_ucf_op_pmcallocate {
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uint16_t pm_ucf_flags; /* additional flags */
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};
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#define UCF_EN 0x1
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#define UCF_PMI 0x4
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/*
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* Programmable PMCs.
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*/
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struct pmc_md_ucp_op_pmcallocate {
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uint64_t pm_ucp_config;
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};
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#define UCP_EVSEL(C) ((C) & 0xFF)
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#define UCP_UMASK(C) ((C) & 0xFF00)
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#define UCP_CTRR (1 << 17)
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#define UCP_EDGE (1 << 18)
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#define UCP_INT (1 << 20)
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#define UCP_EN (1 << 22)
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#define UCP_INV (1 << 23)
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#define UCP_CMASK(C) (((C) & 0xFF) << 24)
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#ifdef _KERNEL
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#define DCTL_FLAG_UNC_PMI (1ULL << 13)
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/*
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* Fixed-function counters.
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*/
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#define UCF_MASK 0xF
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#define UCF_CTR0 0x394
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#define UCF_OFFSET 32
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#define UCF_OFFSET_SB 29
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#define UCF_CTRL 0x395
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/*
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* Programmable counters.
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*/
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#define UCP_PMC0 0x3B0
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#define UCP_EVSEL0 0x3C0
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#define UCP_OPCODE_MATCH 0x396
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#define UCP_CB0_EVSEL0 0x700
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/*
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* Simplified programming interface in Intel Performance Architecture
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* v2 and later.
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*/
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#define UC_GLOBAL_STATUS 0x392
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#define UC_GLOBAL_CTRL 0x391
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#define UC_GLOBAL_OVF_CTRL 0x393
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#define UC_GLOBAL_STATUS_FLAG_CLRCHG (1ULL << 63)
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#define UC_GLOBAL_STATUS_FLAG_OVFPMI (1ULL << 61)
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#define UC_GLOBAL_CTRL_FLAG_FRZ (1ULL << 63)
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#define UC_GLOBAL_CTRL_FLAG_ENPMICORE0 (1ULL << 48)
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/*
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* Model specific registers.
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*/
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#define MSR_GQ_SNOOP_MESF 0x301
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struct pmc_md_ucf_pmc {
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uint64_t pm_ucf_ctrl;
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};
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struct pmc_md_ucp_pmc {
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uint64_t pm_ucp_evsel;
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};
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/*
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* Prototypes.
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*/
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int pmc_uncore_initialize(struct pmc_mdep *_md, int _maxcpu);
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void pmc_uncore_finalize(struct pmc_mdep *_md);
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int pmc_ucf_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width);
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void pmc_ucf_finalize(struct pmc_mdep *_md);
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int pmc_ucp_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width,
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int _flags);
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void pmc_ucp_finalize(struct pmc_mdep *_md);
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#endif /* _KERNEL */
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#endif /* _DEV_HWPMC_UNCORE_H */
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