1 files changed, 49 insertions, 26 deletions

diff --git a/drivers/s390/crypto/zcrypt_cex2a.c b/drivers/s390/crypto/zcrypt_cex2a.c
index 326ea08f67c9..c6fb0aa89507 100644
--- a/drivers/s390/crypto/zcrypt_cex2a.c
+++ b/drivers/s390/crypto/zcrypt_cex2a.c
@@ -39,17 +39,24 @@
 
 #define CEX2A_MIN_MOD_SIZE	  1	/*    8 bits	*/
 #define CEX2A_MAX_MOD_SIZE	256	/* 2048 bits	*/
+#define CEX3A_MIN_MOD_SIZE	CEX2A_MIN_MOD_SIZE
+#define CEX3A_MAX_MOD_SIZE	CEX2A_MAX_MOD_SIZE
 
 #define CEX2A_SPEED_RATING	970
+#define CEX3A_SPEED_RATING	900 /* Fixme: Needs finetuning */
 
 #define CEX2A_MAX_MESSAGE_SIZE	0x390	/* sizeof(struct type50_crb2_msg)    */
 #define CEX2A_MAX_RESPONSE_SIZE 0x110	/* max outputdatalength + type80_hdr */
 
+#define CEX3A_MAX_MESSAGE_SIZE	CEX2A_MAX_MESSAGE_SIZE
+#define CEX3A_MAX_RESPONSE_SIZE	CEX2A_MAX_RESPONSE_SIZE
+
 #define CEX2A_CLEANUP_TIME	(15*HZ)
+#define CEX3A_CLEANUP_TIME	CEX2A_CLEANUP_TIME
 
 static struct ap_device_id zcrypt_cex2a_ids[] = {
 	{ AP_DEVICE(AP_DEVICE_TYPE_CEX2A) },
-	{ AP_DEVICE(AP_DEVICE_TYPE_CEX2A2) },
+	{ AP_DEVICE(AP_DEVICE_TYPE_CEX3A) },
 	{ /* end of list */ },
 };
 
@@ -298,6 +305,7 @@ static long zcrypt_cex2a_modexpo(struct zcrypt_device *zdev,
 	struct completion work;
 	int rc;
 
+	ap_init_message(&ap_msg);
 	ap_msg.message = kmalloc(CEX2A_MAX_MESSAGE_SIZE, GFP_KERNEL);
 	if (!ap_msg.message)
 		return -ENOMEM;
@@ -335,6 +343,7 @@ static long zcrypt_cex2a_modexpo_crt(struct zcrypt_device *zdev,
 	struct completion work;
 	int rc;
 
+	ap_init_message(&ap_msg);
 	ap_msg.message = kmalloc(CEX2A_MAX_MESSAGE_SIZE, GFP_KERNEL);
 	if (!ap_msg.message)
 		return -ENOMEM;
@@ -373,31 +382,45 @@ static struct zcrypt_ops zcrypt_cex2a_ops = {
  */
 static int zcrypt_cex2a_probe(struct ap_device *ap_dev)
 {
-	struct zcrypt_device *zdev;
-	int rc;
-
-	zdev = zcrypt_device_alloc(CEX2A_MAX_RESPONSE_SIZE);
-	if (!zdev)
-		return -ENOMEM;
-	zdev->ap_dev = ap_dev;
-	zdev->ops = &zcrypt_cex2a_ops;
-	zdev->online = 1;
-	zdev->user_space_type = ZCRYPT_CEX2A;
-	zdev->type_string = "CEX2A";
-	zdev->min_mod_size = CEX2A_MIN_MOD_SIZE;
-	zdev->max_mod_size = CEX2A_MAX_MOD_SIZE;
-	zdev->short_crt = 1;
-	zdev->speed_rating = CEX2A_SPEED_RATING;
-	ap_dev->reply = &zdev->reply;
-	ap_dev->private = zdev;
-	rc = zcrypt_device_register(zdev);
-	if (rc)
-		goto out_free;
-	return 0;
-
-out_free:
-	ap_dev->private = NULL;
-	zcrypt_device_free(zdev);
+	struct zcrypt_device *zdev = NULL;
+	int rc = 0;
+
+	switch (ap_dev->device_type) {
+	case AP_DEVICE_TYPE_CEX2A:
+		zdev = zcrypt_device_alloc(CEX2A_MAX_RESPONSE_SIZE);
+		if (!zdev)
+			return -ENOMEM;
+		zdev->user_space_type = ZCRYPT_CEX2A;
+		zdev->type_string = "CEX2A";
+		zdev->min_mod_size = CEX2A_MIN_MOD_SIZE;
+		zdev->max_mod_size = CEX2A_MAX_MOD_SIZE;
+		zdev->short_crt = 1;
+		zdev->speed_rating = CEX2A_SPEED_RATING;
+		break;
+	case AP_DEVICE_TYPE_CEX3A:
+		zdev = zcrypt_device_alloc(CEX3A_MAX_RESPONSE_SIZE);
+		if (!zdev)
+			return -ENOMEM;
+		zdev->user_space_type = ZCRYPT_CEX3A;
+		zdev->type_string = "CEX3A";
+		zdev->min_mod_size = CEX3A_MIN_MOD_SIZE;
+		zdev->max_mod_size = CEX3A_MAX_MOD_SIZE;
+		zdev->short_crt = 1;
+		zdev->speed_rating = CEX3A_SPEED_RATING;
+		break;
+	}
+	if (zdev != NULL) {
+		zdev->ap_dev = ap_dev;
+		zdev->ops = &zcrypt_cex2a_ops;
+		zdev->online = 1;
+		ap_dev->reply = &zdev->reply;
+		ap_dev->private = zdev;
+		rc = zcrypt_device_register(zdev);
+	}
+	if (rc) {
+		ap_dev->private = NULL;
+		zcrypt_device_free(zdev);
+	}
 	return rc;
 }