[S390] zcrypt: Introduce check for 4096 bit support.
Implemented an asm in the ap bus and made it accessible for the card
specific parts of the zcrypt driver. Thus when a cex3a is recognized
a check can be performed to dermine whether the card supports 4096 bit
RSA keys.
Signed-off-by: Felix Beck <felix.beck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index 4785d07..08b9738 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -196,4 +196,6 @@
int ap_module_init(void);
void ap_module_exit(void);
+int ap_4096_commands_available(ap_qid_t qid);
+
#endif /* _AP_BUS_H_ */