[PATCH v11 23/26] KVM: s390: vsie: allow guest FORMAT-0 CRYCB on host FORMAT-2

Tony Krowiak
2018-09-25T23:16:38Z

From: Pierre Morel <pmorel@linux.ibm.com>

When the guest schedules a SIE with a FORMAT-0 CRYCB,
we are able to schedule it in the host with a FORMAT-2
CRYCB if the host uses FORMAT-2

Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com>
---
arch/s390/kvm/vsie.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
index ca6466304731..9117891651c6 100644
--- a/arch/s390/kvm/vsie.c
+++ b/arch/s390/kvm/vsie.c
@@ -246,7 +246,9 @@ static int setup_apcb(struct kvm_vcpu *vcpu, struct kvm_s390_crypto_cb *crycb_s,

switch (fmt_h) {
case CRYCB_FORMAT2:
- return -EINVAL;
+ return setup_apcb10(vcpu, &crycb_s->apcb1,
+ (unsigned long) &crycb->apcb0,
+ &crycb_h->apcb1);
case CRYCB_FORMAT1:
case CRYCB_FORMAT0:
return setup_apcb00(vcpu,
--
2.19.0.221.g150f307