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path: root/drivers/s390/crypto/zcrypt_cex2a.c
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Diffstat (limited to 'drivers/s390/crypto/zcrypt_cex2a.c')
-rw-r--r--drivers/s390/crypto/zcrypt_cex2a.c71
1 files changed, 46 insertions, 25 deletions
diff --git a/drivers/s390/crypto/zcrypt_cex2a.c b/drivers/s390/crypto/zcrypt_cex2a.c
index d25b6dfed2e0..a90b76079fa9 100644
--- a/drivers/s390/crypto/zcrypt_cex2a.c
+++ b/drivers/s390/crypto/zcrypt_cex2a.c
@@ -39,13 +39,20 @@
#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 1100
#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) },
@@ -375,31 +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;
}