unsigned char status[16];
int ret;
+ /* check if CPACF facility (bit 17) is available */
+ if (!(stfl() & 1ULL << (31 - 17)))
+ return 0;
+
switch (func & CRYPT_S390_OP_MASK) {
case CRYPT_S390_KM:
ret = crypt_s390_km(KM_QUERY, &status, NULL, NULL, 0);