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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - include/kvm/arm_pmu.h
1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2015 Linaro Ltd.
4 * Author: Shannon Zhao <shannon.zhao@linaro.org>
7 #ifndef __ASM_ARM_KVM_PMU_H
8 #define __ASM_ARM_KVM_PMU_H
10 #include <linux/perf_event.h>
11 #include <asm/perf_event.h>
13 #define ARMV8_PMU_CYCLE_IDX (ARMV8_PMU_MAX_COUNTERS - 1)
15 #ifdef CONFIG_KVM_ARM_PMU
18 u8 idx
; /* index into the pmu->pmc array */
19 struct perf_event
*perf_event
;
25 struct kvm_pmc pmc
[ARMV8_PMU_MAX_COUNTERS
];
31 #define kvm_arm_pmu_v3_ready(v) ((v)->arch.pmu.ready)
32 #define kvm_arm_pmu_irq_initialized(v) ((v)->arch.pmu.irq_num >= VGIC_NR_SGIS)
33 u64
kvm_pmu_get_counter_value(struct kvm_vcpu
*vcpu
, u64 select_idx
);
34 void kvm_pmu_set_counter_value(struct kvm_vcpu
*vcpu
, u64 select_idx
, u64 val
);
35 u64
kvm_pmu_valid_counter_mask(struct kvm_vcpu
*vcpu
);
36 void kvm_pmu_vcpu_reset(struct kvm_vcpu
*vcpu
);
37 void kvm_pmu_vcpu_destroy(struct kvm_vcpu
*vcpu
);
38 void kvm_pmu_disable_counter(struct kvm_vcpu
*vcpu
, u64 val
);
39 void kvm_pmu_enable_counter(struct kvm_vcpu
*vcpu
, u64 val
);
40 void kvm_pmu_flush_hwstate(struct kvm_vcpu
*vcpu
);
41 void kvm_pmu_sync_hwstate(struct kvm_vcpu
*vcpu
);
42 bool kvm_pmu_should_notify_user(struct kvm_vcpu
*vcpu
);
43 void kvm_pmu_update_run(struct kvm_vcpu
*vcpu
);
44 void kvm_pmu_software_increment(struct kvm_vcpu
*vcpu
, u64 val
);
45 void kvm_pmu_handle_pmcr(struct kvm_vcpu
*vcpu
, u64 val
);
46 void kvm_pmu_set_counter_event_type(struct kvm_vcpu
*vcpu
, u64 data
,
48 bool kvm_arm_support_pmu_v3(void);
49 int kvm_arm_pmu_v3_set_attr(struct kvm_vcpu
*vcpu
,
50 struct kvm_device_attr
*attr
);
51 int kvm_arm_pmu_v3_get_attr(struct kvm_vcpu
*vcpu
,
52 struct kvm_device_attr
*attr
);
53 int kvm_arm_pmu_v3_has_attr(struct kvm_vcpu
*vcpu
,
54 struct kvm_device_attr
*attr
);
55 int kvm_arm_pmu_v3_enable(struct kvm_vcpu
*vcpu
);
60 #define kvm_arm_pmu_v3_ready(v) (false)
61 #define kvm_arm_pmu_irq_initialized(v) (false)
62 static inline u64
kvm_pmu_get_counter_value(struct kvm_vcpu
*vcpu
,
67 static inline void kvm_pmu_set_counter_value(struct kvm_vcpu
*vcpu
,
68 u64 select_idx
, u64 val
) {}
69 static inline u64
kvm_pmu_valid_counter_mask(struct kvm_vcpu
*vcpu
)
73 static inline void kvm_pmu_vcpu_reset(struct kvm_vcpu
*vcpu
) {}
74 static inline void kvm_pmu_vcpu_destroy(struct kvm_vcpu
*vcpu
) {}
75 static inline void kvm_pmu_disable_counter(struct kvm_vcpu
*vcpu
, u64 val
) {}
76 static inline void kvm_pmu_enable_counter(struct kvm_vcpu
*vcpu
, u64 val
) {}
77 static inline void kvm_pmu_flush_hwstate(struct kvm_vcpu
*vcpu
) {}
78 static inline void kvm_pmu_sync_hwstate(struct kvm_vcpu
*vcpu
) {}
79 static inline bool kvm_pmu_should_notify_user(struct kvm_vcpu
*vcpu
)
83 static inline void kvm_pmu_update_run(struct kvm_vcpu
*vcpu
) {}
84 static inline void kvm_pmu_software_increment(struct kvm_vcpu
*vcpu
, u64 val
) {}
85 static inline void kvm_pmu_handle_pmcr(struct kvm_vcpu
*vcpu
, u64 val
) {}
86 static inline void kvm_pmu_set_counter_event_type(struct kvm_vcpu
*vcpu
,
87 u64 data
, u64 select_idx
) {}
88 static inline bool kvm_arm_support_pmu_v3(void) { return false; }
89 static inline int kvm_arm_pmu_v3_set_attr(struct kvm_vcpu
*vcpu
,
90 struct kvm_device_attr
*attr
)
94 static inline int kvm_arm_pmu_v3_get_attr(struct kvm_vcpu
*vcpu
,
95 struct kvm_device_attr
*attr
)
99 static inline int kvm_arm_pmu_v3_has_attr(struct kvm_vcpu
*vcpu
,
100 struct kvm_device_attr
*attr
)
104 static inline int kvm_arm_pmu_v3_enable(struct kvm_vcpu
*vcpu
)