s390/zcrypt: add support for EP11 coprocessor cards

[karo-tx-linux.git] / drivers / s390 / crypto / zcrypt_msgtype50.c

diff --git a/drivers/s390/crypto/zcrypt_msgtype50.c b/drivers/s390/crypto/zcrypt_msgtype50.c
index 7c522f338bda16a50f11cf04aa845a8f6f937637..334e282f255b7d9b0a6288bad94d6702a729a556 100644 (file)
--- a/drivers/s390/crypto/zcrypt_msgtype50.c
+++ b/drivers/s390/crypto/zcrypt_msgtype50.c
@@ -25,6 +25,9 @@
  * 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>
@@ -332,6 +335,11 @@ static int convert_type80(struct zcrypt_device *zdev,
        if (t80h->len < sizeof(*t80h) + outputdatalength) {
                /* The result is too short, the CEX2A 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, t80h->code);
+
                return -EAGAIN; /* repeat the request on a different device. */
        }
        if (zdev->user_space_type == ZCRYPT_CEX2A)
@@ -359,6 +367,10 @@ 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. */
        }
 }