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/*
* Copyright (C) 2012 ARM Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ASM_KVM_PERF_EVENT_H
#define __ASM_KVM_PERF_EVENT_H
#define ARMV8_PMU_MAX_COUNTERS 32
#define ARMV8_PMU_COUNTER_MASK (ARMV8_PMU_MAX_COUNTERS - 1)
/*
* Per-CPU PMCR: config reg
*/
#define ARMV8_PMU_PMCR_E (1 << 0) /* Enable all counters */
#define ARMV8_PMU_PMCR_P (1 << 1) /* Reset all counters */
#define ARMV8_PMU_PMCR_C (1 << 2) /* Cycle counter reset */
#define ARMV8_PMU_PMCR_D (1 << 3) /* CCNT counts every 64th cpu cycle */
#define ARMV8_PMU_PMCR_X (1 << 4) /* Export to ETM */
#define ARMV8_PMU_PMCR_DP (1 << 5) /* Disable CCNT if non-invasive debug*/
/* Determines which bit of PMCCNTR_EL0 generates an overflow */
#define ARMV8_PMU_PMCR_LC (1 << 6)
#define ARMV8_PMU_PMCR_N_SHIFT 11 /* Number of counters supported */
#define ARMV8_PMU_PMCR_N_MASK 0x1f
#define ARMV8_PMU_PMCR_MASK 0x7f /* Mask for writable bits */
/*
* PMOVSR: counters overflow flag status reg
*/
#define ARMV8_PMU_OVSR_MASK 0xffffffff /* Mask for writable bits */
#define ARMV8_PMU_OVERFLOWED_MASK ARMV8_PMU_OVSR_MASK
/*
* PMXEVTYPER: Event selection reg
*/
#define ARMV8_PMU_EVTYPE_MASK 0xc80003ff /* Mask for writable bits */
#define ARMV8_PMU_EVTYPE_EVENT 0x3ff /* Mask for EVENT bits */
#define ARMV8_PMU_EVTYPE_EVENT_SW_INCR 0 /* Software increment event */
/*
* Event filters for PMUv3
*/
#define ARMV8_PMU_EXCLUDE_EL1 (1 << 31)
#define ARMV8_PMU_EXCLUDE_EL0 (1 << 30)
#define ARMV8_PMU_INCLUDE_EL2 (1 << 27)
#endif
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