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/*-
* Copyright (c) 2010 Fabien Thomas
* 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_UNCORE_H_
#define _DEV_HWPMC_UNCORE_H_ 1
/*
* Fixed-function PMCs.
*/
struct pmc_md_ucf_op_pmcallocate {
uint16_t pm_ucf_flags; /* additional flags */
};
#define UCF_EN 0x1
#define UCF_PMI 0x4
/*
* Programmable PMCs.
*/
struct pmc_md_ucp_op_pmcallocate {
uint32_t pm_ucp_config;
};
#define UCP_EVSEL(C) ((C) & 0xFF)
#define UCP_UMASK(C) ((C) & 0xFF00)
#define UCP_CTRR (1 << 17)
#define UCP_EDGE (1 << 18)
#define UCP_INT (1 << 20)
#define UCP_EN (1 << 22)
#define UCP_INV (1 << 23)
#define UCP_CMASK(C) (((C) & 0xFF) << 24)
#ifdef _KERNEL
#define DCTL_FLAG_UNC_PMI (1ULL << 13)
/*
* Fixed-function counters.
*/
#define UCF_MASK 0xF
#define UCF_CTR0 0x394
#define UCF_OFFSET 32
#define UCF_OFFSET_SB 29
#define UCF_CTRL 0x395
/*
* Programmable counters.
*/
#define UCP_PMC0 0x3B0
#define UCP_EVSEL0 0x3C0
#define UCP_OPCODE_MATCH 0x396
#define UCP_CB0_EVSEL0 0x700
/*
* Simplified programming interface in Intel Performance Architecture
* v2 and later.
*/
#define UC_GLOBAL_STATUS 0x392
#define UC_GLOBAL_CTRL 0x391
#define UC_GLOBAL_OVF_CTRL 0x393
#define UC_GLOBAL_STATUS_FLAG_CLRCHG (1ULL << 63)
#define UC_GLOBAL_STATUS_FLAG_OVFPMI (1ULL << 61)
#define UC_GLOBAL_CTRL_FLAG_FRZ (1ULL << 63)
#define UC_GLOBAL_CTRL_FLAG_ENPMICORE0 (1ULL << 48)
/*
* Model specific registers.
*/
#define MSR_GQ_SNOOP_MESF 0x301
struct pmc_md_ucf_pmc {
uint64_t pm_ucf_ctrl;
};
struct pmc_md_ucp_pmc {
uint32_t pm_ucp_evsel;
};
/*
* Prototypes.
*/
int pmc_uncore_initialize(struct pmc_mdep *_md, int _maxcpu);
void pmc_uncore_finalize(struct pmc_mdep *_md);
void pmc_uncore_mark_started(int _cpu, int _pmc);
int pmc_ucf_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width);
void pmc_ucf_finalize(struct pmc_mdep *_md);
int pmc_ucp_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width,
int _flags);
void pmc_ucp_finalize(struct pmc_mdep *_md);
#endif /* _KERNEL */
#endif /* _DEV_HWPMC_UNCORE_H */
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