3  * KVM PMU support for AMD
18 #include "pmu.h"
47 static unsigned int get_msr_base(struct kvm_pmu *pmu, enum pmu_type type)  in get_msr_base()  argument
49 	struct kvm_vcpu *vcpu = pmu_to_vcpu(pmu);  in get_msr_base()
98 static inline struct kvm_pmc *get_gp_pmc_amd(struct kvm_pmu *pmu, u32 msr,  in get_gp_pmc_amd()  argument
126 	return &pmu->gp_counters[msr_to_index(msr)];  in get_gp_pmc_amd()
129 static unsigned amd_find_arch_event(struct kvm_pmu *pmu,  in amd_find_arch_event()  argument
160 static struct kvm_pmc *amd_pmc_idx_to_pmc(struct kvm_pmu *pmu, int pmc_idx)  in amd_pmc_idx_to_pmc()  argument
162 	unsigned int base = get_msr_base(pmu, PMU_TYPE_COUNTER);  in amd_pmc_idx_to_pmc()
163 	struct kvm_vcpu *vcpu = pmu_to_vcpu(pmu);  in amd_pmc_idx_to_pmc()
173 	return get_gp_pmc_amd(pmu, base + pmc_idx, PMU_TYPE_COUNTER);  in amd_pmc_idx_to_pmc()
179 	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);  in amd_is_valid_rdpmc_ecx()  local
183 	return (idx >= pmu->nr_arch_gp_counters);  in amd_is_valid_rdpmc_ecx()
190 	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);  in amd_rdpmc_ecx_to_pmc()  local
194 	if (idx >= pmu->nr_arch_gp_counters)  in amd_rdpmc_ecx_to_pmc()
196 	counters = pmu->gp_counters;  in amd_rdpmc_ecx_to_pmc()
209 	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);  in amd_msr_idx_to_pmc()  local
212 	pmc = get_gp_pmc_amd(pmu, msr, PMU_TYPE_COUNTER);  in amd_msr_idx_to_pmc()
213 	pmc = pmc ? pmc : get_gp_pmc_amd(pmu, msr, PMU_TYPE_EVNTSEL);  in amd_msr_idx_to_pmc()
220 	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);  in amd_pmu_get_msr()  local
225 	pmc = get_gp_pmc_amd(pmu, msr, PMU_TYPE_COUNTER);  in amd_pmu_get_msr()
231 	pmc = get_gp_pmc_amd(pmu, msr, PMU_TYPE_EVNTSEL);  in amd_pmu_get_msr()
242 	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);  in amd_pmu_set_msr()  local
248 	pmc = get_gp_pmc_amd(pmu, msr, PMU_TYPE_COUNTER);  in amd_pmu_set_msr()
254 	pmc = get_gp_pmc_amd(pmu, msr, PMU_TYPE_EVNTSEL);  in amd_pmu_set_msr()
258 		if (!(data & pmu->reserved_bits)) {  in amd_pmu_set_msr()
269 	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);  in amd_pmu_refresh()  local
272 		pmu->nr_arch_gp_counters = AMD64_NUM_COUNTERS_CORE;  in amd_pmu_refresh()
274 		pmu->nr_arch_gp_counters = AMD64_NUM_COUNTERS;  in amd_pmu_refresh()
276 	pmu->counter_bitmask[KVM_PMC_GP] = ((u64)1 << 48) - 1;  in amd_pmu_refresh()
277 	pmu->reserved_bits = 0xffffffff00200000ull;  in amd_pmu_refresh()
278 	pmu->version = 1;  in amd_pmu_refresh()
280 	pmu->counter_bitmask[KVM_PMC_FIXED] = 0;  in amd_pmu_refresh()
281 	pmu->nr_arch_fixed_counters = 0;  in amd_pmu_refresh()
282 	pmu->global_status = 0;  in amd_pmu_refresh()
283 	bitmap_set(pmu->all_valid_pmc_idx, 0, pmu->nr_arch_gp_counters);  in amd_pmu_refresh()
288 	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);  in amd_pmu_init()  local
294 		pmu->gp_counters[i].type = KVM_PMC_GP;  in amd_pmu_init()
295 		pmu->gp_counters[i].vcpu = vcpu;  in amd_pmu_init()
296 		pmu->gp_counters[i].idx = i;  in amd_pmu_init()
297 		pmu->gp_counters[i].current_config = 0;  in amd_pmu_init()
303 	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);  in amd_pmu_reset()  local
307 		struct kvm_pmc *pmc = &pmu->gp_counters[i];  in amd_pmu_reset()