// SPDX-License-Identifier: GPL-2.0-only /* * Privileged (non-hypervisor) host registers to save. */ struct p9_host_os_sprs { unsigned long iamr; unsigned long amr; unsigned int pmc1; unsigned int pmc2; unsigned int pmc3; unsigned int pmc4; unsigned int pmc5; unsigned int pmc6; unsigned long mmcr0; unsigned long mmcr1; unsigned long mmcr2; unsigned long mmcr3; unsigned long mmcra; unsigned long siar; unsigned long sier1; unsigned long sier2; unsigned long sier3; unsigned long sdar; }; static inline bool nesting_enabled(struct kvm *kvm) { return kvm->arch.nested_enable && kvm_is_radix(kvm); } bool load_vcpu_state(struct kvm_vcpu *vcpu, struct p9_host_os_sprs *host_os_sprs); void store_vcpu_state(struct kvm_vcpu *vcpu); void save_p9_host_os_sprs(struct p9_host_os_sprs *host_os_sprs); void restore_p9_host_os_sprs(struct kvm_vcpu *vcpu, struct p9_host_os_sprs *host_os_sprs); void switch_pmu_to_guest(struct kvm_vcpu *vcpu, struct p9_host_os_sprs *host_os_sprs); void switch_pmu_to_host(struct kvm_vcpu *vcpu, struct p9_host_os_sprs *host_os_sprs); #ifdef CONFIG_KVM_BOOK3S_HV_P9_TIMING void accumulate_time(struct kvm_vcpu *vcpu, struct kvmhv_tb_accumulator *next); #define start_timing(vcpu, next) accumulate_time(vcpu, next) #define end_timing(vcpu) accumulate_time(vcpu, NULL) #else #define accumulate_time(vcpu, next) do {} while (0) #define start_timing(vcpu, next) do {} while (0) #define end_timing(vcpu) do {} while (0) #endif