KVM: s390: vsie: allow guest FORMAT-0 CRYCB on host FORMAT-1 (c9ba8c2c) · Commits · 戴 / test

When the guest schedules a SIE with a FORMAT-0 CRYCB, we are able to schedule it in the host with a FORMAT-1 CRYCB if the host uses FORMAT-1 or FORMAT-0. Signed-off-by:

Pierre Morel <pmorel@linux.ibm.com> Signed-off-by:

Tony Krowiak <akrowiak@linux.ibm.com> Message-Id: <20180925231641.4954-22-akrowiak@linux.vnet.ibm.com> Signed-off-by:

Christian Borntraeger <borntraeger@de.ibm.com>

arch/s390/kvm/vsie.c

+10 −4

Original line number	Diff line number	Diff line
		@@ -220,12 +220,18 @@ static int setup_apcb(struct kvm_vcpu vcpu, struct kvm_s390_crypto_cb crycb_s,
		case CRYCB_FORMAT0:
		if ((crycb_o & PAGE_MASK) != ((crycb_o + 32) & PAGE_MASK))
		return -EACCES;
		if (fmt_h != CRYCB_FORMAT0)

		switch (fmt_h) {
		case CRYCB_FORMAT2:
		return -EINVAL;
		return setup_apcb00(vcpu, (unsigned long *) &crycb_s->apcb0,
		case CRYCB_FORMAT1:
		case CRYCB_FORMAT0:
		return setup_apcb00(vcpu,
		(unsigned long *) &crycb_s->apcb0,
		(unsigned long) &crycb->apcb0,
		(unsigned long *) &crycb_h->apcb0);
		}
		}
		return -EINVAL;
		}

Admin message