diff options
Diffstat (limited to 'arch/s390/kvm/kvm-s390.h')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h index df1abada1f36..1c756c7dd0c2 100644 --- a/arch/s390/kvm/kvm-s390.h +++ b/arch/s390/kvm/kvm-s390.h @@ -19,6 +19,7 @@ #include <linux/kvm.h> #include <linux/kvm_host.h> #include <asm/facility.h> +#include <asm/processor.h> typedef int (*intercept_handler_t)(struct kvm_vcpu *vcpu); @@ -212,8 +213,22 @@ int kvm_s390_reinject_io_int(struct kvm *kvm, int kvm_s390_mask_adapter(struct kvm *kvm, unsigned int id, bool masked); /* implemented in intercept.c */ -void kvm_s390_rewind_psw(struct kvm_vcpu *vcpu, int ilc); +u8 kvm_s390_get_ilen(struct kvm_vcpu *vcpu); int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu); +static inline void kvm_s390_rewind_psw(struct kvm_vcpu *vcpu, int ilen) +{ + struct kvm_s390_sie_block *sie_block = vcpu->arch.sie_block; + + sie_block->gpsw.addr = __rewind_psw(sie_block->gpsw, ilen); +} +static inline void kvm_s390_forward_psw(struct kvm_vcpu *vcpu, int ilen) +{ + kvm_s390_rewind_psw(vcpu, -ilen); +} +static inline void kvm_s390_retry_instr(struct kvm_vcpu *vcpu) +{ + kvm_s390_rewind_psw(vcpu, kvm_s390_get_ilen(vcpu)); +} /* implemented in priv.c */ int is_valid_psw(psw_t *psw); |