From: Michael Mueller <mimu@xxxxxxxxxxxxx>
Similar to external interrupts, the hypervisor can inject machine
checks by providing the right data in the interrupt injection controls.
Signed-off-by: Michael Mueller <mimu@xxxxxxxxxxxxx>
---
arch/s390/kvm/interrupt.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index c707725e618b..a98f1dfde8de 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -571,6 +571,14 @@ static int __write_machine_check(struct kvm_vcpu *vcpu,
union mci mci;
int rc;
+ if (kvm_s390_pv_is_protected(vcpu->kvm)) {
+ vcpu->arch.sie_block->iictl = IICTL_CODE_MCHK;
+ vcpu->arch.sie_block->mcic = mchk->mcic;
+ vcpu->arch.sie_block->faddr = mchk->failing_storage_address;
+ vcpu->arch.sie_block->edc = mchk->ext_damage_code;
+ return 0;
+ }
+
mci.val = mchk->mcic;
/* take care of lazy register loading */
save_fpu_regs();
--
2.24.0
