diff options
Diffstat (limited to 'arch/s390/kvm/interrupt.c')
| -rw-r--r-- | arch/s390/kvm/interrupt.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index c9aeb4b4d0b..278ee009ce6 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -38,6 +38,11 @@ static int __interrupt_is_deliverable(struct kvm_vcpu *vcpu, struct kvm_s390_interrupt_info *inti) { switch (inti->type) { + case KVM_S390_INT_EXTERNAL_CALL: + if (psw_extint_disabled(vcpu)) + return 0; + if (vcpu->arch.sie_block->gcr[0] & 0x2000ul) + return 1; case KVM_S390_INT_EMERGENCY: if (psw_extint_disabled(vcpu)) return 0; @@ -98,6 +103,7 @@ static void __set_intercept_indicator(struct kvm_vcpu *vcpu, struct kvm_s390_interrupt_info *inti) { switch (inti->type) { + case KVM_S390_INT_EXTERNAL_CALL: case KVM_S390_INT_EMERGENCY: case KVM_S390_INT_SERVICE: case KVM_S390_INT_VIRTIO: @@ -143,6 +149,28 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu, exception = 1; break; + case KVM_S390_INT_EXTERNAL_CALL: + VCPU_EVENT(vcpu, 4, "%s", "interrupt: sigp ext call"); + vcpu->stat.deliver_external_call++; + rc = put_guest_u16(vcpu, __LC_EXT_INT_CODE, 0x1202); + if (rc == -EFAULT) + exception = 1; + + rc = put_guest_u16(vcpu, __LC_CPU_ADDRESS, inti->extcall.code); + if (rc == -EFAULT) + exception = 1; + + rc = copy_to_guest(vcpu, __LC_EXT_OLD_PSW, + &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); + if (rc == -EFAULT) + exception = 1; + + rc = copy_from_guest(vcpu, &vcpu->arch.sie_block->gpsw, + __LC_EXT_NEW_PSW, sizeof(psw_t)); + if (rc == -EFAULT) + exception = 1; + break; + case KVM_S390_INT_SERVICE: VCPU_EVENT(vcpu, 4, "interrupt: sclp parm:%x", inti->ext.ext_params); @@ -224,6 +252,7 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu, offsetof(struct _lowcore, restart_psw), sizeof(psw_t)); if (rc == -EFAULT) exception = 1; + atomic_clear_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags); break; case KVM_S390_PROGRAM_INT: @@ -522,6 +551,7 @@ int kvm_s390_inject_vm(struct kvm *kvm, break; case KVM_S390_PROGRAM_INT: case KVM_S390_SIGP_STOP: + case KVM_S390_INT_EXTERNAL_CALL: case KVM_S390_INT_EMERGENCY: default: kfree(inti); @@ -581,6 +611,7 @@ int kvm_s390_inject_vcpu(struct kvm_vcpu *vcpu, break; case KVM_S390_SIGP_STOP: case KVM_S390_RESTART: + case KVM_S390_INT_EXTERNAL_CALL: case KVM_S390_INT_EMERGENCY: VCPU_EVENT(vcpu, 3, "inject: type %x", s390int->type); inti->type = s390int->type; |