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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
| commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
| tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/powerpc/kvm/book3s_hv.h | |
| parent | Initial commit. (diff) | |
| download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip | |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/kvm/book3s_hv.h')
| -rw-r--r-- | arch/powerpc/kvm/book3s_hv.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_hv.h b/arch/powerpc/kvm/book3s_hv.h new file mode 100644 index 0000000000..95241764df --- /dev/null +++ b/arch/powerpc/kvm/book3s_hv.h @@ -0,0 +1,120 @@ +// 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 + +static inline void __kvmppc_set_msr_hv(struct kvm_vcpu *vcpu, u64 val) +{ + vcpu->arch.shregs.msr = val; +} + +static inline u64 __kvmppc_get_msr_hv(struct kvm_vcpu *vcpu) +{ + return vcpu->arch.shregs.msr; +} + +#define KVMPPC_BOOK3S_HV_VCPU_ACCESSOR_SET(reg, size) \ +static inline void kvmppc_set_##reg ##_hv(struct kvm_vcpu *vcpu, u##size val) \ +{ \ + vcpu->arch.reg = val; \ +} + +#define KVMPPC_BOOK3S_HV_VCPU_ACCESSOR_GET(reg, size) \ +static inline u##size kvmppc_get_##reg ##_hv(struct kvm_vcpu *vcpu) \ +{ \ + return vcpu->arch.reg; \ +} + +#define KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(reg, size) \ + KVMPPC_BOOK3S_HV_VCPU_ACCESSOR_SET(reg, size) \ + KVMPPC_BOOK3S_HV_VCPU_ACCESSOR_GET(reg, size) \ + +#define KVMPPC_BOOK3S_HV_VCPU_ARRAY_ACCESSOR_SET(reg, size) \ +static inline void kvmppc_set_##reg ##_hv(struct kvm_vcpu *vcpu, int i, u##size val) \ +{ \ + vcpu->arch.reg[i] = val; \ +} + +#define KVMPPC_BOOK3S_HV_VCPU_ARRAY_ACCESSOR_GET(reg, size) \ +static inline u##size kvmppc_get_##reg ##_hv(struct kvm_vcpu *vcpu, int i) \ +{ \ + return vcpu->arch.reg[i]; \ +} + +#define KVMPPC_BOOK3S_HV_VCPU_ARRAY_ACCESSOR(reg, size) \ + KVMPPC_BOOK3S_HV_VCPU_ARRAY_ACCESSOR_SET(reg, size) \ + KVMPPC_BOOK3S_HV_VCPU_ARRAY_ACCESSOR_GET(reg, size) \ + +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(mmcra, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(hfscr, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(fscr, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(dscr, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(purr, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(spurr, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(amr, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(uamor, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(siar, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(sdar, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(iamr, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(dawr0, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(dawr1, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(dawrx0, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(dawrx1, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(ciabr, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(wort, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(ppr, 64) +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(ctrl, 64) + +KVMPPC_BOOK3S_HV_VCPU_ARRAY_ACCESSOR(mmcr, 64) +KVMPPC_BOOK3S_HV_VCPU_ARRAY_ACCESSOR(sier, 64) +KVMPPC_BOOK3S_HV_VCPU_ARRAY_ACCESSOR(pmc, 32) + +KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(pspb, 32) |