projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| aabcaf6a NP |
1 | // SPDX-License-Identifier: GPL-2.0-only |
| 2 | ||
| 3 | /* | |
| 4 | * Privileged (non-hypervisor) host registers to save. | |
| 5 | */ | |
| 6 | struct p9_host_os_sprs { | |
| aabcaf6a NP |
7 | unsigned long iamr; |
| 8 | unsigned long amr; | |
| aabcaf6a NP |
9 | |
| 10 | unsigned int pmc1; | |
| 11 | unsigned int pmc2; | |
| 12 | unsigned int pmc3; | |
| 13 | unsigned int pmc4; | |
| 14 | unsigned int pmc5; | |
| 15 | unsigned int pmc6; | |
| 16 | unsigned long mmcr0; | |
| 17 | unsigned long mmcr1; | |
| 18 | unsigned long mmcr2; | |
| 19 | unsigned long mmcr3; | |
| 20 | unsigned long mmcra; | |
| 21 | unsigned long siar; | |
| 22 | unsigned long sier1; | |
| 23 | unsigned long sier2; | |
| 24 | unsigned long sier3; | |
| 25 | unsigned long sdar; | |
| 26 | }; | |
| 27 | ||
| 28 | static inline bool nesting_enabled(struct kvm *kvm) | |
| 29 | { | |
| 30 | return kvm->arch.nested_enable && kvm_is_radix(kvm); | |
| 31 | } | |
| 32 | ||
| 33 | bool load_vcpu_state(struct kvm_vcpu *vcpu, | |
| 34 | struct p9_host_os_sprs *host_os_sprs); | |
| 35 | void store_vcpu_state(struct kvm_vcpu *vcpu); | |
| 36 | void save_p9_host_os_sprs(struct p9_host_os_sprs *host_os_sprs); | |
| 37 | void restore_p9_host_os_sprs(struct kvm_vcpu *vcpu, | |
| 38 | struct p9_host_os_sprs *host_os_sprs); | |
| 39 | void switch_pmu_to_guest(struct kvm_vcpu *vcpu, | |
| 40 | struct p9_host_os_sprs *host_os_sprs); | |
| 41 | void switch_pmu_to_host(struct kvm_vcpu *vcpu, | |
| 42 | struct p9_host_os_sprs *host_os_sprs); | |
| 2861c827 FR |
43 | |
| 44 | #ifdef CONFIG_KVM_BOOK3S_HV_P9_TIMING | |
| 45 | void accumulate_time(struct kvm_vcpu *vcpu, struct kvmhv_tb_accumulator *next); | |
| 46 | #define start_timing(vcpu, next) accumulate_time(vcpu, next) | |
| 47 | #define end_timing(vcpu) accumulate_time(vcpu, NULL) | |
| 48 | #else | |
| 49 | #define accumulate_time(vcpu, next) do {} while (0) | |
| 50 | #define start_timing(vcpu, next) do {} while (0) | |
| 51 | #define end_timing(vcpu) do {} while (0) | |
| 52 | #endif |