[18/many] acrypto: crypto_user_direct.h

[Evgeniy Polyakov <johnpol@2ka.mipt.ru>]

--- /tmp/empty/crypto_user_direct.h	1970-01-01 03:00:00.000000000 +0300
+++ ./acrypto/crypto_user_direct.h	2005-03-07 20:35:36.000000000 +0300
@@ -0,0 +1,74 @@
+/*
+ * 	crypto_user_direct.h
+ *
+ * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * 
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __CRYPTO_USER_DIRECT_H
+#define __CRYPTO_USER_DIRECT_H
+
+struct crypto_user_direct
+{
+	__u64			src;
+	__u32			src_size;
+	__u64			dst;
+	__u32			dst_size;
+	
+	__u16 			operation;
+	__u16 			type;
+	__u16 			mode;
+	__u16 			priority;
+
+	int			pid;
+
+	int			key_size;
+	int			iv_size;
+
+	__u8			data[0];
+};
+
+#ifdef __KERNEL__
+
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/pagemap.h>
+
+struct crypto_user_direct_kern
+{
+	struct list_head	entry;
+
+	u32			seq;
+	u32			ack;
+
+	struct crypto_user_direct	usr;
+	u8			*key;
+	u8			*iv;
+
+	int			snum, dnum;
+	struct page		**sp, **dp;
+	struct vm_area_struct 	**svma, **dvma;
+	struct mm_struct 	*mm;
+};
+
+int crypto_user_direct_init(void);
+void crypto_user_direct_fini(void);
+int crypto_user_direct_add_request(u32 seq, u32 ack, struct crypto_user_direct *usr);
+
+#endif /* __KERNEL__ */
+
+#endif /* __CRYPTO_USER_DIRECT_H */