diff options
| author | Marc Zyngier <marc.zyngier@arm.com> | 2016-02-29 14:25:04 +0300 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2016-02-29 21:34:19 +0300 |
| commit | ad8821377384a2dfe3eae17dcf287b437f10ae03 (patch) | |
| tree | fa2a57be22544a2a5b098a09f440e7930fc657b7 /arch/arm64 | |
| parent | 21a4179ce0a127ea96c66d37ac571ac4ceeb992f (diff) | |
| download | linux-ad8821377384a2dfe3eae17dcf287b437f10ae03.tar.xz | |
arm64: KVM: Add temporary kvm_perf_event.h
In order to merge the KVM/ARM PMU patches without creating a
conflict mess, let's have a temporary include file that won't
conflict with anything. Subsequent patches will clean that up.
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/kvm_host.h | 1 | ||||
| -rw-r--r-- | arch/arm64/include/asm/kvm_perf_event.h | 55 |
2 files changed, 56 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 31fe7d6f32de..15851f52096b 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -27,6 +27,7 @@ #include <asm/kvm.h> #include <asm/kvm_asm.h> #include <asm/kvm_mmio.h> +#include <asm/kvm_perf_event.h> #define __KVM_HAVE_ARCH_INTC_INITIALIZED diff --git a/arch/arm64/include/asm/kvm_perf_event.h b/arch/arm64/include/asm/kvm_perf_event.h new file mode 100644 index 000000000000..d1c9d504f928 --- /dev/null +++ b/arch/arm64/include/asm/kvm_perf_event.h @@ -0,0 +1,55 @@ +/* + * 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*/ +#define ARMV8_PMU_PMCR_N_SHIFT 11 /* Number of counters supported */ +#define ARMV8_PMU_PMCR_N_MASK 0x1f +#define ARMV8_PMU_PMCR_MASK 0x3f /* 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 */ + +/* + * 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 |