Merge branch 'master' of /home/davem/src/GIT/linux-2.6/

[safe/jmp/linux-2.6] / include / crypto / algapi.h

diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 9de6c38..59c3e5b 100644 (file)
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -103,10 +103,26 @@ struct blkcipher_walk {
        unsigned int blocksize;
 };
 
+struct ablkcipher_walk {
+       struct {
+               struct page *page;
+               unsigned int offset;
+       } src, dst;
+
+       struct scatter_walk     in;
+       unsigned int            nbytes;
+       struct scatter_walk     out;
+       unsigned int            total;
+       struct list_head        buffers;
+       u8                      *iv_buffer;
+       u8                      *iv;
+       int                     flags;
+       unsigned int            blocksize;
+};
+
 extern const struct crypto_type crypto_ablkcipher_type;
 extern const struct crypto_type crypto_aead_type;
 extern const struct crypto_type crypto_blkcipher_type;
-extern const struct crypto_type crypto_hash_type;
 
 void crypto_mod_put(struct crypto_alg *alg);
 
@@ -156,6 +172,7 @@ struct crypto_instance *crypto_alloc_instance(const char *name,
 void crypto_init_queue(struct crypto_queue *queue, unsigned int max_qlen);
 int crypto_enqueue_request(struct crypto_queue *queue,
                           struct crypto_async_request *request);
+void *__crypto_dequeue_request(struct crypto_queue *queue, unsigned int offset);
 struct crypto_async_request *crypto_dequeue_request(struct crypto_queue *queue);
 int crypto_tfm_in_queue(struct crypto_queue *queue, struct crypto_tfm *tfm);
 
@@ -173,14 +190,16 @@ int blkcipher_walk_virt_block(struct blkcipher_desc *desc,
                              struct blkcipher_walk *walk,
                              unsigned int blocksize);
 
+int ablkcipher_walk_done(struct ablkcipher_request *req,
+                        struct ablkcipher_walk *walk, int err);
+int ablkcipher_walk_phys(struct ablkcipher_request *req,
+                        struct ablkcipher_walk *walk);
+void __ablkcipher_walk_complete(struct ablkcipher_walk *walk);
+
 static inline void *crypto_tfm_ctx_aligned(struct crypto_tfm *tfm)
 {
-       unsigned long addr = (unsigned long)crypto_tfm_ctx(tfm);
-       unsigned long align = crypto_tfm_alg_alignmask(tfm);
-
-       if (align <= crypto_tfm_ctx_alignment())
-               align = 1;
-       return (void *)ALIGN(addr, align);
+       return PTR_ALIGN(crypto_tfm_ctx(tfm),
+                        crypto_tfm_alg_alignmask(tfm) + 1);
 }
 
 static inline struct crypto_instance *crypto_tfm_alg_instance(
@@ -287,6 +306,23 @@ static inline void blkcipher_walk_init(struct blkcipher_walk *walk,
        walk->total = nbytes;
 }
 
+static inline void ablkcipher_walk_init(struct ablkcipher_walk *walk,
+                                       struct scatterlist *dst,
+                                       struct scatterlist *src,
+                                       unsigned int nbytes)
+{
+       walk->in.sg = src;
+       walk->out.sg = dst;
+       walk->total = nbytes;
+       INIT_LIST_HEAD(&walk->buffers);
+}
+
+static inline void ablkcipher_walk_complete(struct ablkcipher_walk *walk)
+{
+       if (unlikely(!list_empty(&walk->buffers)))
+               __ablkcipher_walk_complete(walk);
+}
+
 static inline struct crypto_async_request *crypto_get_backlog(
        struct crypto_queue *queue)
 {