s390/zcrypt: add support for EP11 coprocessor cards

[karo-tx-linux.git] / drivers / s390 / crypto / zcrypt_pcica.c

diff --git a/drivers/s390/crypto/zcrypt_pcica.c b/drivers/s390/crypto/zcrypt_pcica.c
index f2b71d8df01f0c1e42e75bd7b0f9786bbf881cae..7a743f4c646c0e46dadcaed195acc9bccf1bf183 100644 (file)
--- a/drivers/s390/crypto/zcrypt_pcica.c
+++ b/drivers/s390/crypto/zcrypt_pcica.c
@@ -24,6 +24,9 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#define KMSG_COMPONENT "zcrypt"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/init.h>
@@ -199,6 +202,10 @@ static int convert_type84(struct zcrypt_device *zdev,
        if (t84h->len < sizeof(*t84h) + outputdatalength) {
                /* The result is too short, the PCICA card may not do that.. */
                zdev->online = 0;
+               pr_err("Cryptographic device %x failed and was set offline\n",
+                      zdev->ap_dev->qid);
+               ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
+                              zdev->ap_dev->qid, zdev->online, t84h->code);
                return -EAGAIN; /* repeat the request on a different device. */
        }
        BUG_ON(t84h->len > PCICA_MAX_RESPONSE_SIZE);
@@ -223,6 +230,10 @@ static int convert_response(struct zcrypt_device *zdev,
                                      outputdata, outputdatalength);
        default: /* Unknown response type, this should NEVER EVER happen */
                zdev->online = 0;
+               pr_err("Cryptographic device %x failed and was set offline\n",
+                      zdev->ap_dev->qid);
+               ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%dfail",
+                              zdev->ap_dev->qid, zdev->online);
                return -EAGAIN; /* repeat the request on a different device. */
        }
 }