| // 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 |
