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/*-
* Copyright (c) 2005, Joseph Koshy
* 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: release/9.1.0/sys/dev/hwpmc/hwpmc_piv.h 184802 2008-11-09 17:37:54Z jkoshy $
*/
/* Machine dependent interfaces */
#ifndef _DEV_HWPMC_PIV_H_
#define _DEV_HWPMC_PIV_H_ 1
/* Intel P4 PMCs */
#define P4_NPMCS 18
#define P4_NESCR 45
#define P4_INVALID_PMC_INDEX -1
#define P4_MAX_ESCR_PER_EVENT 2
#define P4_MAX_PMC_PER_ESCR 3
#define P4_CCCR_OVF (1 << 31)
#define P4_CCCR_CASCADE (1 << 30)
#define P4_CCCR_OVF_PMI_T1 (1 << 27)
#define P4_CCCR_OVF_PMI_T0 (1 << 26)
#define P4_CCCR_FORCE_OVF (1 << 25)
#define P4_CCCR_EDGE (1 << 24)
#define P4_CCCR_THRESHOLD_SHIFT 20
#define P4_CCCR_THRESHOLD_MASK 0x00F00000
#define P4_CCCR_TO_THRESHOLD(C) (((C) << P4_CCCR_THRESHOLD_SHIFT) & \
P4_CCCR_THRESHOLD_MASK)
#define P4_CCCR_COMPLEMENT (1 << 19)
#define P4_CCCR_COMPARE (1 << 18)
#define P4_CCCR_ACTIVE_THREAD_SHIFT 16
#define P4_CCCR_ACTIVE_THREAD_MASK 0x00030000
#define P4_CCCR_TO_ACTIVE_THREAD(T) (((T) << P4_CCCR_ACTIVE_THREAD_SHIFT) & \
P4_CCCR_ACTIVE_THREAD_MASK)
#define P4_CCCR_ESCR_SELECT_SHIFT 13
#define P4_CCCR_ESCR_SELECT_MASK 0x0000E000
#define P4_CCCR_TO_ESCR_SELECT(E) (((E) << P4_CCCR_ESCR_SELECT_SHIFT) & \
P4_CCCR_ESCR_SELECT_MASK)
#define P4_CCCR_ENABLE (1 << 12)
#define P4_CCCR_VALID_BITS (P4_CCCR_OVF | P4_CCCR_CASCADE | \
P4_CCCR_OVF_PMI_T1 | P4_CCCR_OVF_PMI_T0 | P4_CCCR_FORCE_OVF | \
P4_CCCR_EDGE | P4_CCCR_THRESHOLD_MASK | P4_CCCR_COMPLEMENT | \
P4_CCCR_COMPARE | P4_CCCR_ESCR_SELECT_MASK | P4_CCCR_ENABLE)
#define P4_ESCR_EVENT_SELECT_SHIFT 25
#define P4_ESCR_EVENT_SELECT_MASK 0x7E000000
#define P4_ESCR_TO_EVENT_SELECT(E) (((E) << P4_ESCR_EVENT_SELECT_SHIFT) & \
P4_ESCR_EVENT_SELECT_MASK)
#define P4_ESCR_EVENT_MASK_SHIFT 9
#define P4_ESCR_EVENT_MASK_MASK 0x01FFFE00
#define P4_ESCR_TO_EVENT_MASK(M) (((M) << P4_ESCR_EVENT_MASK_SHIFT) & \
P4_ESCR_EVENT_MASK_MASK)
#define P4_ESCR_TAG_VALUE_SHIFT 5
#define P4_ESCR_TAG_VALUE_MASK 0x000001E0
#define P4_ESCR_TO_TAG_VALUE(T) (((T) << P4_ESCR_TAG_VALUE_SHIFT) & \
P4_ESCR_TAG_VALUE_MASK)
#define P4_ESCR_TAG_ENABLE 0x00000010
#define P4_ESCR_T0_OS 0x00000008
#define P4_ESCR_T0_USR 0x00000004
#define P4_ESCR_T1_OS 0x00000002
#define P4_ESCR_T1_USR 0x00000001
#define P4_ESCR_OS P4_ESCR_T0_OS
#define P4_ESCR_USR P4_ESCR_T0_USR
#define P4_ESCR_VALID_BITS (P4_ESCR_EVENT_SELECT_MASK | \
P4_ESCR_EVENT_MASK_MASK | P4_ESCR_TAG_VALUE_MASK | \
P4_ESCR_TAG_ENABLE | P4_ESCR_T0_OS | P4_ESCR_T0_USR | P4_ESCR_T1_OS \
P4_ESCR_T1_USR)
#define P4_PERFCTR_MASK 0xFFFFFFFFFFLL /* 40 bits */
#define P4_PERFCTR_OVERFLOWED(PMC) ((rdpmc(PMC) & (1LL << 39)) == 0)
#define P4_CCCR_MSR_FIRST 0x360 /* MSR_BPU_CCCR0 */
#define P4_PERFCTR_MSR_FIRST 0x300 /* MSR_BPU_COUNTER0 */
#define P4_RELOAD_COUNT_TO_PERFCTR_VALUE(V) (1 - (V))
#define P4_PERFCTR_VALUE_TO_RELOAD_COUNT(P) (1 - (P))
struct pmc_md_p4_op_pmcallocate {
uint32_t pm_p4_cccrconfig;
uint32_t pm_p4_escrconfig;
};
#ifdef _KERNEL
/* MD extension for 'struct pmc' */
struct pmc_md_p4_pmc {
uint32_t pm_p4_cccrvalue;
uint32_t pm_p4_escrvalue;
uint32_t pm_p4_escr;
uint32_t pm_p4_escrmsr;
};
/*
* Prototypes
*/
int pmc_p4_initialize(struct pmc_mdep *_md, int _ncpus);
void pmc_p4_finalize(struct pmc_mdep *md);
#endif /* _KERNEL */
#endif /* _DEV_HWPMC_PIV_H_ */