9 #define pmc_to_pmu(pmc)   (&(pmc)->vcpu->arch.pmu)  argument
22 	bool (*hw_event_available)(struct kvm_pmc *pmc);
58 static inline u64 pmc_bitmask(struct kvm_pmc *pmc)  in pmc_bitmask()  argument
60 	struct kvm_pmu *pmu = pmc_to_pmu(pmc);  in pmc_bitmask()
62 	return pmu->counter_bitmask[pmc->type];  in pmc_bitmask()
65 static inline u64 pmc_read_counter(struct kvm_pmc *pmc)  in pmc_read_counter()  argument
69 	counter = pmc->counter;  in pmc_read_counter()
70 	if (pmc->perf_event && !pmc->is_paused)  in pmc_read_counter()
71 		counter += perf_event_read_value(pmc->perf_event,  in pmc_read_counter()
74 	return counter & pmc_bitmask(pmc);  in pmc_read_counter()
77 static inline void pmc_write_counter(struct kvm_pmc *pmc, u64 val)  in pmc_write_counter()  argument
79 	pmc->counter += val - pmc_read_counter(pmc);  in pmc_write_counter()
80 	pmc->counter &= pmc_bitmask(pmc);  in pmc_write_counter()
83 static inline bool pmc_is_gp(struct kvm_pmc *pmc)  in pmc_is_gp()  argument
85 	return pmc->type == KVM_PMC_GP;  in pmc_is_gp()
88 static inline bool pmc_is_fixed(struct kvm_pmc *pmc)  in pmc_is_fixed()  argument
90 	return pmc->type == KVM_PMC_FIXED;  in pmc_is_fixed()
99 /* returns general purpose PMC with the specified MSR. Note that it can be
116 /* returns fixed PMC with the specified MSR */
131 static inline u64 get_sample_period(struct kvm_pmc *pmc, u64 counter_value)  in get_sample_period()  argument
133 	u64 sample_period = (-counter_value) & pmc_bitmask(pmc);  in get_sample_period()
136 		sample_period = pmc_bitmask(pmc) + 1;  in get_sample_period()
140 static inline void pmc_update_sample_period(struct kvm_pmc *pmc)  in pmc_update_sample_period()  argument
142 	if (!pmc->perf_event || pmc->is_paused ||  in pmc_update_sample_period()
143 	    !is_sampling_event(pmc->perf_event))  in pmc_update_sample_period()
146 	perf_event_period(pmc->perf_event,  in pmc_update_sample_period()
147 			  get_sample_period(pmc, pmc->counter));  in pmc_update_sample_period()
150 static inline bool pmc_speculative_in_use(struct kvm_pmc *pmc)  in pmc_speculative_in_use()  argument
152 	struct kvm_pmu *pmu = pmc_to_pmu(pmc);  in pmc_speculative_in_use()
154 	if (pmc_is_fixed(pmc))  in pmc_speculative_in_use()
156 					pmc->idx - INTEL_PMC_IDX_FIXED) & 0x3;  in pmc_speculative_in_use()
158 	return pmc->eventsel & ARCH_PERFMON_EVENTSEL_ENABLE;  in pmc_speculative_in_use()
205 static inline void kvm_pmu_request_counter_reprogram(struct kvm_pmc *pmc)  in kvm_pmu_request_counter_reprogram()  argument
207 	set_bit(pmc->idx, pmc_to_pmu(pmc)->reprogram_pmi);  in kvm_pmu_request_counter_reprogram()
208 	kvm_make_request(KVM_REQ_PMU, pmc->vcpu);  in kvm_pmu_request_counter_reprogram()
224  * Check if a PMC is enabled by comparing it against global_ctrl bits.
228 static inline bool pmc_is_globally_enabled(struct kvm_pmc *pmc)  in pmc_is_globally_enabled()  argument
230 	struct kvm_pmu *pmu = pmc_to_pmu(pmc);  in pmc_is_globally_enabled()
235 	return test_bit(pmc->idx, (unsigned long *)&pmu->global_ctrl);  in pmc_is_globally_enabled()
240 int kvm_pmu_rdpmc(struct kvm_vcpu *vcpu, unsigned pmc, u64 *data);