CRYCB_FORMAT_MASK
kvm->arch.crypto.crycbd &= ~(CRYCB_FORMAT_MASK);
switch (kvm->arch.crypto.crycbd & CRYCB_FORMAT_MASK) {
int fmt_o = crycbd_o & CRYCB_FORMAT_MASK;
int fmt_h = vcpu->arch.sie_block->crycbd & CRYCB_FORMAT_MASK;