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// 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)
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