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path: root/drivers/s390/crypto/zcrypt_pcicc.c
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Diffstat (limited to 'drivers/s390/crypto/zcrypt_pcicc.c')
-rw-r--r--drivers/s390/crypto/zcrypt_pcicc.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/s390/crypto/zcrypt_pcicc.c b/drivers/s390/crypto/zcrypt_pcicc.c
index 9dec5c77cff..4d14c04b746 100644
--- a/drivers/s390/crypto/zcrypt_pcicc.c
+++ b/drivers/s390/crypto/zcrypt_pcicc.c
@@ -1,9 +1,7 @@
/*
- * linux/drivers/s390/crypto/zcrypt_pcicc.c
- *
* zcrypt 2.1.0
*
- * Copyright (C) 2001, 2006 IBM Corporation
+ * Copyright IBM Corp. 2001, 2006
* Author(s): Robert Burroughs
* Eric Rossman (edrossma@us.ibm.com)
*
@@ -26,11 +24,14 @@
* 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>
#include <linux/err.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/uaccess.h>
#include "ap_bus.h"
@@ -65,13 +66,11 @@ static struct ap_device_id zcrypt_pcicc_ids[] = {
{ /* end of list */ },
};
-#ifndef CONFIG_ZCRYPT_MONOLITHIC
MODULE_DEVICE_TABLE(ap, zcrypt_pcicc_ids);
MODULE_AUTHOR("IBM Corporation");
MODULE_DESCRIPTION("PCICC Cryptographic Coprocessor device driver, "
- "Copyright 2001, 2006 IBM Corporation");
+ "Copyright IBM Corp. 2001, 2006");
MODULE_LICENSE("GPL");
-#endif
static int zcrypt_pcicc_probe(struct ap_device *ap_dev);
static void zcrypt_pcicc_remove(struct ap_device *ap_dev);
@@ -81,7 +80,6 @@ static void zcrypt_pcicc_receive(struct ap_device *, struct ap_message *,
static struct ap_driver zcrypt_pcicc_driver = {
.probe = zcrypt_pcicc_probe,
.remove = zcrypt_pcicc_remove,
- .receive = zcrypt_pcicc_receive,
.ids = zcrypt_pcicc_ids,
.request_timeout = PCICC_CLEANUP_TIME,
};
@@ -377,6 +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;
@@ -430,6 +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. */
}
}
@@ -490,6 +497,7 @@ static long zcrypt_pcicc_modexpo(struct zcrypt_device *zdev,
ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
if (!ap_msg.message)
return -ENOMEM;
+ ap_msg.receive = zcrypt_pcicc_receive;
ap_msg.length = PAGE_SIZE;
ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
atomic_inc_return(&zcrypt_step);
@@ -529,6 +537,7 @@ static long zcrypt_pcicc_modexpo_crt(struct zcrypt_device *zdev,
ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
if (!ap_msg.message)
return -ENOMEM;
+ ap_msg.receive = zcrypt_pcicc_receive;
ap_msg.length = PAGE_SIZE;
ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
atomic_inc_return(&zcrypt_step);
@@ -579,6 +588,7 @@ static int zcrypt_pcicc_probe(struct ap_device *ap_dev)
zdev->min_mod_size = PCICC_MIN_MOD_SIZE;
zdev->max_mod_size = PCICC_MAX_MOD_SIZE;
zdev->speed_rating = PCICC_SPEED_RATING;
+ zdev->max_exp_bit_length = PCICC_MAX_MOD_SIZE;
ap_dev->reply = &zdev->reply;
ap_dev->private = zdev;
rc = zcrypt_device_register(zdev);
@@ -613,7 +623,5 @@ void zcrypt_pcicc_exit(void)
ap_driver_unregister(&zcrypt_pcicc_driver);
}
-#ifndef CONFIG_ZCRYPT_MONOLITHIC
module_init(zcrypt_pcicc_init);
module_exit(zcrypt_pcicc_exit);
-#endif