9 #define pmc_to_pmu(pmc)   (&(pmc)->vcpu->arch.pmu)  argument
27 	unsigned int (*pmc_perf_hw_id)(struct kvm_pmc *pmc);
29 	bool (*pmc_is_enabled)(struct kvm_pmc *pmc);
45 static inline u64 pmc_bitmask(struct kvm_pmc *pmc)  in pmc_bitmask()  argument
47 	struct kvm_pmu *pmu = pmc_to_pmu(pmc);  in pmc_bitmask()
49 	return pmu->counter_bitmask[pmc->type];  in pmc_bitmask()
52 static inline u64 pmc_read_counter(struct kvm_pmc *pmc)  in pmc_read_counter()  argument
56 	counter = pmc->counter;  in pmc_read_counter()
57 	if (pmc->perf_event && !pmc->is_paused)  in pmc_read_counter()
58 		counter += perf_event_read_value(pmc->perf_event,  in pmc_read_counter()
61 	return counter & pmc_bitmask(pmc);  in pmc_read_counter()
64 static inline void pmc_release_perf_event(struct kvm_pmc *pmc)  in pmc_release_perf_event()  argument
66 	if (pmc->perf_event) {  in pmc_release_perf_event()
67 		perf_event_release_kernel(pmc->perf_event);  in pmc_release_perf_event()
68 		pmc->perf_event = NULL;  in pmc_release_perf_event()
69 		pmc->current_config = 0;  in pmc_release_perf_event()
70 		pmc_to_pmu(pmc)->event_count--;  in pmc_release_perf_event()
74 static inline void pmc_stop_counter(struct kvm_pmc *pmc)  in pmc_stop_counter()  argument
76 	if (pmc->perf_event) {  in pmc_stop_counter()
77 		pmc->counter = pmc_read_counter(pmc);  in pmc_stop_counter()
78 		pmc_release_perf_event(pmc);  in pmc_stop_counter()
82 static inline bool pmc_is_gp(struct kvm_pmc *pmc)  in pmc_is_gp()  argument
84 	return pmc->type == KVM_PMC_GP;  in pmc_is_gp()
87 static inline bool pmc_is_fixed(struct kvm_pmc *pmc)  in pmc_is_fixed()  argument
89 	return pmc->type == KVM_PMC_FIXED;  in pmc_is_fixed()
92 static inline bool pmc_is_enabled(struct kvm_pmc *pmc)  in pmc_is_enabled()  argument
94 	return kvm_x86_ops.pmu_ops->pmc_is_enabled(pmc);  in pmc_is_enabled()
135 static inline u64 get_sample_period(struct kvm_pmc *pmc, u64 counter_value)  in get_sample_period()  argument
137 	u64 sample_period = (-counter_value) & pmc_bitmask(pmc);  in get_sample_period()
140 		sample_period = pmc_bitmask(pmc) + 1;  in get_sample_period()
144 static inline void pmc_update_sample_period(struct kvm_pmc *pmc)  in pmc_update_sample_period()  argument
146 	if (!pmc->perf_event || pmc->is_paused)  in pmc_update_sample_period()
149 	perf_event_period(pmc->perf_event,  in pmc_update_sample_period()
150 			  get_sample_period(pmc, pmc->counter));  in pmc_update_sample_period()
153 void reprogram_gp_counter(struct kvm_pmc *pmc, u64 eventsel);
154 void reprogram_fixed_counter(struct kvm_pmc *pmc, u8 ctrl, int fixed_idx);
159 int kvm_pmu_rdpmc(struct kvm_vcpu *vcpu, unsigned pmc, u64 *data);