[CRYPTO] scatterwalk: Move scatterwalk.h to linux/crypto

The scatterwalk infrastructure is used by algorithms so it needs to
move out of crypto for future users that may live in drivers/crypto
or asm/*/crypto.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 0 insertions, 75 deletions

diff --git a/crypto/scatterwalk.h b/crypto/scatterwalk.h
deleted file mode 100644
index fd5517d..0000000
--- a/crypto/scatterwalk.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Cryptographic API.
- *
- * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
- * Copyright (c) 2002 Adam J. Richter <adam@yggdrasil.com>
- * Copyright (c) 2004 Jean-Luc Cooke <jlcooke@certainkey.com>
- *
- * 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.
- *
- */
-
-#ifndef _CRYPTO_SCATTERWALK_H
-#define _CRYPTO_SCATTERWALK_H
-
-#include <linux/mm.h>
-#include <linux/scatterlist.h>
-
-#include "internal.h"
-
-static inline unsigned long scatterwalk_samebuf(struct scatter_walk *walk_in,
-						struct scatter_walk *walk_out)
-{
-	return !(((sg_page(walk_in->sg) - sg_page(walk_out->sg)) << PAGE_SHIFT) +
-		 (int)(walk_in->offset - walk_out->offset));
-}
-
-static inline unsigned int scatterwalk_pagelen(struct scatter_walk *walk)
-{
-	unsigned int len = walk->sg->offset + walk->sg->length - walk->offset;
-	unsigned int len_this_page = offset_in_page(~walk->offset) + 1;
-	return len_this_page > len ? len : len_this_page;
-}
-
-static inline unsigned int scatterwalk_clamp(struct scatter_walk *walk,
-					     unsigned int nbytes)
-{
-	unsigned int len_this_page = scatterwalk_pagelen(walk);
-	return nbytes > len_this_page ? len_this_page : nbytes;
-}
-
-static inline void scatterwalk_advance(struct scatter_walk *walk,
-				       unsigned int nbytes)
-{
-	walk->offset += nbytes;
-}
-
-static inline unsigned int scatterwalk_aligned(struct scatter_walk *walk,
-					       unsigned int alignmask)
-{
-	return !(walk->offset & alignmask);
-}
-
-static inline struct page *scatterwalk_page(struct scatter_walk *walk)
-{
-	return sg_page(walk->sg) + (walk->offset >> PAGE_SHIFT);
-}
-
-static inline void scatterwalk_unmap(void *vaddr, int out)
-{
-	crypto_kunmap(vaddr, out);
-}
-
-void scatterwalk_start(struct scatter_walk *walk, struct scatterlist *sg);
-void scatterwalk_copychunks(void *buf, struct scatter_walk *walk,
-			    size_t nbytes, int out);
-void *scatterwalk_map(struct scatter_walk *walk, int out);
-void scatterwalk_done(struct scatter_walk *walk, int out, int more);
-
-void scatterwalk_map_and_copy(void *buf, struct scatterlist *sg,
-			      unsigned int start, unsigned int nbytes, int out);
-
-#endif  /* _CRYPTO_SCATTERWALK_H */