1 files changed, 63 insertions, 0 deletions

diff --git a/drivers/crypto/padlock-generic.c b/drivers/crypto/padlock-generic.c
new file mode 100644
index 000000000000..18cf0e8274a7
--- /dev/null
+++ b/drivers/crypto/padlock-generic.c
@@ -0,0 +1,63 @@
+/* 
+ * Cryptographic API.
+ *
+ * Support for VIA PadLock hardware crypto engine.
+ *
+ * Copyright (c) 2004  Michal Ludvig <michal@logix.cz>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/crypto.h>
+#include <asm/byteorder.h>
+#include "padlock.h"
+
+static int __init
+padlock_init(void)
+{
+        int ret = -ENOSYS;
+        
+        if (!cpu_has_xcrypt) {
+                printk(KERN_ERR PFX "VIA PadLock not detected.\n");
+                return -ENODEV;
+        }
+
+        if (!cpu_has_xcrypt_enabled) {
+                printk(KERN_ERR PFX "VIA PadLock detected, but not enabled. Hmm, strange...\n");
+                return -ENODEV;
+        }
+
+#ifdef CONFIG_CRYPTO_DEV_PADLOCK_AES
+        if ((ret = padlock_init_aes())) {
+                printk(KERN_ERR PFX "VIA PadLock AES initialization failed.\n");
+                return ret;
+        }
+#endif
+
+        if (ret == -ENOSYS)
+                printk(KERN_ERR PFX "Hmm, VIA PadLock was compiled without any algorithm.\n");
+
+        return ret;
+}
+
+static void __exit
+padlock_fini(void)
+{
+#ifdef CONFIG_CRYPTO_DEV_PADLOCK_AES
+        padlock_fini_aes();
+#endif
+}
+
+module_init(padlock_init);
+module_exit(padlock_fini);
+
+MODULE_DESCRIPTION("VIA PadLock crypto engine support.");
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_AUTHOR("Michal Ludvig");