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| author | Jordan Niethe <jniethe5@gmail.com> | 2023-09-14 06:05:54 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-09-14 15:04:24 +0300 |
| commit | c8ae9b3c6e7f22a4b71e42edb0fc3942aa7a7c42 (patch) | |
| tree | 44413b328d51fbc174aa7761890834ffc1337ffc /arch/powerpc/include/asm/kvm_book3s.h | |
| parent | 7028ac8d174f28220f0e2de0cb3346cd3c31976d (diff) | |
| download | linux-c8ae9b3c6e7f22a4b71e42edb0fc3942aa7a7c42.tar.xz | |
KVM: PPC: Use accessors for VCORE registers
Introduce accessor generator macros for VCORE registers. Use the accessor
functions to replace direct accesses to this registers.
This will be important later for Nested APIv2 support which requires
additional functionality for accessing and modifying VCPU state.
Signed-off-by: Jordan Niethe <jniethe5@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230914030600.16993-6-jniethe5@gmail.com
Diffstat (limited to 'arch/powerpc/include/asm/kvm_book3s.h')
| -rw-r--r-- | arch/powerpc/include/asm/kvm_book3s.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h index 1a220cd63227..4c6558d5fefe 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -483,6 +483,29 @@ KVMPPC_BOOK3S_VCPU_ACCESSOR(bescr, 64) KVMPPC_BOOK3S_VCPU_ACCESSOR(ic, 64) KVMPPC_BOOK3S_VCPU_ACCESSOR(vrsave, 64) + +#define KVMPPC_BOOK3S_VCORE_ACCESSOR_SET(reg, size) \ +static inline void kvmppc_set_##reg(struct kvm_vcpu *vcpu, u##size val) \ +{ \ + vcpu->arch.vcore->reg = val; \ +} + +#define KVMPPC_BOOK3S_VCORE_ACCESSOR_GET(reg, size) \ +static inline u##size kvmppc_get_##reg(struct kvm_vcpu *vcpu) \ +{ \ + return vcpu->arch.vcore->reg; \ +} + +#define KVMPPC_BOOK3S_VCORE_ACCESSOR(reg, size) \ + KVMPPC_BOOK3S_VCORE_ACCESSOR_SET(reg, size) \ + KVMPPC_BOOK3S_VCORE_ACCESSOR_GET(reg, size) \ + + +KVMPPC_BOOK3S_VCORE_ACCESSOR(vtb, 64) +KVMPPC_BOOK3S_VCORE_ACCESSOR(tb_offset, 64) +KVMPPC_BOOK3S_VCORE_ACCESSOR_GET(arch_compat, 32) +KVMPPC_BOOK3S_VCORE_ACCESSOR_GET(lpcr, 64) + static inline u64 kvmppc_get_dec_expires(struct kvm_vcpu *vcpu) { return vcpu->arch.dec_expires; @@ -496,7 +519,7 @@ static inline void kvmppc_set_dec_expires(struct kvm_vcpu *vcpu, u64 val) /* Expiry time of vcpu DEC relative to host TB */ static inline u64 kvmppc_dec_expires_host_tb(struct kvm_vcpu *vcpu) { - return kvmppc_get_dec_expires(vcpu) - vcpu->arch.vcore->tb_offset; + return kvmppc_get_dec_expires(vcpu) - kvmppc_get_tb_offset(vcpu); } static inline bool is_kvmppc_resume_guest(int r) |