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authorIngo Tuchscherer <ingo.tuchscherer@de.ibm.com>2013-11-20 10:47:13 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2013-12-18 17:37:15 +0100
commit91f3e3eaba4413e76ce8e12e3ef10525a889142f (patch)
treee4cef25c9b51388a462776c6a8e642571fa2f19b /drivers/s390/crypto/zcrypt_pcicc.c
parents390/mm: optimize randomize_et_dyn for !PF_RANDOMIZE (diff)
downloadlinux-91f3e3eaba4413e76ce8e12e3ef10525a889142f.tar.xz
linux-91f3e3eaba4413e76ce8e12e3ef10525a889142f.zip
s390/zcrypt: add support for EP11 coprocessor cards
This feature extends the generic cryptographic device driver (zcrypt) with a new capability to service EP11 requests for the Crypto Express4S card in EP11 (Enterprise PKCS#11 mode) coprocessor mode. Signed-off-by: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/crypto/zcrypt_pcicc.c')
-rw-r--r--drivers/s390/crypto/zcrypt_pcicc.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/s390/crypto/zcrypt_pcicc.c b/drivers/s390/crypto/zcrypt_pcicc.c
index 0d90a4334055..4d14c04b746e 100644
--- a/drivers/s390/crypto/zcrypt_pcicc.c
+++ b/drivers/s390/crypto/zcrypt_pcicc.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/init.h>
#include <linux/gfp.h>
@@ -372,6 +375,11 @@ static int convert_type86(struct zcrypt_device *zdev,
if (service_rc == 8 && service_rs == 72)
return -EINVAL;
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,
+ msg->hdr.reply_code);
return -EAGAIN; /* repeat the request on a different device. */
}
data = msg->text;
@@ -425,6 +433,10 @@ static int convert_response(struct zcrypt_device *zdev,
/* no break, incorrect cprb version is an unknown response */
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. */
}
}