9 #define pmc_to_pmu(pmc)   (&(pmc)->vcpu->arch.pmu)  argument
30 	bool (*pmc_is_enabled)(struct kvm_pmc *pmc);
44 static inline u64 pmc_bitmask(struct kvm_pmc *pmc)  in pmc_bitmask()  argument
46 	struct kvm_pmu *pmu = pmc_to_pmu(pmc);  in pmc_bitmask()
48 	return pmu->counter_bitmask[pmc->type];  in pmc_bitmask()
51 static inline u64 pmc_read_counter(struct kvm_pmc *pmc)  in pmc_read_counter()  argument
55 	counter = pmc->counter;  in pmc_read_counter()
56 	if (pmc->perf_event)  in pmc_read_counter()
57 		counter += perf_event_read_value(pmc->perf_event,  in pmc_read_counter()
60 	return counter & pmc_bitmask(pmc);  in pmc_read_counter()
63 static inline void pmc_release_perf_event(struct kvm_pmc *pmc)  in pmc_release_perf_event()  argument
65 	if (pmc->perf_event) {  in pmc_release_perf_event()
66 		perf_event_release_kernel(pmc->perf_event);  in pmc_release_perf_event()
67 		pmc->perf_event = NULL;  in pmc_release_perf_event()
68 		pmc->current_config = 0;  in pmc_release_perf_event()
69 		pmc_to_pmu(pmc)->event_count--;  in pmc_release_perf_event()
73 static inline void pmc_stop_counter(struct kvm_pmc *pmc)  in pmc_stop_counter()  argument
75 	if (pmc->perf_event) {  in pmc_stop_counter()
76 		pmc->counter = pmc_read_counter(pmc);  in pmc_stop_counter()
77 		pmc_release_perf_event(pmc);  in pmc_stop_counter()
81 static inline bool pmc_is_gp(struct kvm_pmc *pmc)  in pmc_is_gp()  argument
83 	return pmc->type == KVM_PMC_GP;  in pmc_is_gp()
86 static inline bool pmc_is_fixed(struct kvm_pmc *pmc)  in pmc_is_fixed()  argument
88 	return pmc->type == KVM_PMC_FIXED;  in pmc_is_fixed()
91 static inline bool pmc_is_enabled(struct kvm_pmc *pmc)  in pmc_is_enabled()  argument
93 	return kvm_x86_ops.pmu_ops->pmc_is_enabled(pmc);  in pmc_is_enabled()
102 /* returns general purpose PMC with the specified MSR. Note that it can be
119 /* returns fixed PMC with the specified MSR */
134 static inline u64 get_sample_period(struct kvm_pmc *pmc, u64 counter_value)  in get_sample_period()  argument
136 	u64 sample_period = (-counter_value) & pmc_bitmask(pmc);  in get_sample_period()
139 		sample_period = pmc_bitmask(pmc) + 1;  in get_sample_period()
143 void reprogram_gp_counter(struct kvm_pmc *pmc, u64 eventsel);
144 void reprogram_fixed_counter(struct kvm_pmc *pmc, u8 ctrl, int fixed_idx);
149 int kvm_pmu_rdpmc(struct kvm_vcpu *vcpu, unsigned pmc, u64 *data);