static int handle_skey(struct kvm_vcpu *vcpu)
{
vcpu->stat.instruction_storage_key++;
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
vcpu->arch.sie_block->gpsw.addr =
__rewind_psw(vcpu->arch.sie_block->gpsw, 4);
VCPU_EVENT(vcpu, 4, "%s", "retrying storage key operation");
return 0;
}
[0xb9] = kvm_s390_handle_b9,
[0xe5] = kvm_s390_handle_e5,
[0xeb] = kvm_s390_handle_eb,
};
void kvm_s390_rewind_psw(struct kvm_vcpu *vcpu, int ilc)
{
struct kvm_s390_sie_block *sie_block = vcpu->arch.sie_block;
/* Use the length of the EXECUTE instruction if necessary */
if (sie_block->icptstatus & 1) {
ilc = (sie_block->icptstatus >> 4) & 0x6;
if (!ilc)
ilc = 4;
}
sie_block->gpsw.addr = __rewind_psw(sie_block->gpsw, ilc);
}
static int handle_noop(struct kvm_vcpu *vcpu)
{
switch (vcpu->arch.sie_block->icptcode) {
case 0x0:
vcpu->stat.exit_null++;
break;
case 0x10:
vcpu->stat.exit_external_request++;
break;
default:
break; /* nothing */
}
return 0;
