Pull bugzilla-5452 into release branch

[pandora-kernel.git] / crypto / internal.h

diff --git a/crypto/internal.h b/crypto/internal.h
index 83b1b6d..959e602 100644 (file)
--- a/crypto/internal.h
+++ b/crypto/internal.h
@@ -2,6 +2,7 @@
  * Cryptographic API.
  *
  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
+ * Copyright (c) 2005 Herbert Xu <herbert@gondor.apana.org.au>
  *
  * 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
@@ -16,8 +17,15 @@
 #include <linux/highmem.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
+#include <linux/list.h>
+#include <linux/kernel.h>
+#include <linux/rwsem.h>
+#include <linux/slab.h>
 #include <asm/kmap_types.h>
 
+extern struct list_head crypto_alg_list;
+extern struct rw_semaphore crypto_alg_sem;
+
 extern enum km_type crypto_km_types[];
 
 static inline enum km_type crypto_kmap_type(int out)
@@ -37,7 +45,7 @@ static inline void crypto_kunmap(void *vaddr, int out)
 
 static inline void crypto_yield(struct crypto_tfm *tfm)
 {
-       if (!in_atomic())
+       if (tfm->crt_flags & CRYPTO_TFM_REQ_MAY_SLEEP)
                cond_resched();
 }
 
@@ -61,6 +69,33 @@ static inline void crypto_init_proc(void)
 { }
 #endif
 
+static inline unsigned int crypto_digest_ctxsize(struct crypto_alg *alg,
+                                                int flags)
+{
+       return alg->cra_ctxsize;
+}
+
+static inline unsigned int crypto_cipher_ctxsize(struct crypto_alg *alg,
+                                                int flags)
+{
+       unsigned int len = alg->cra_ctxsize;
+       
+       switch (flags & CRYPTO_TFM_MODE_MASK) {
+       case CRYPTO_TFM_MODE_CBC:
+               len = ALIGN(len, (unsigned long)alg->cra_alignmask + 1);
+               len += alg->cra_blocksize;
+               break;
+       }
+
+       return len;
+}
+
+static inline unsigned int crypto_compress_ctxsize(struct crypto_alg *alg,
+                                                  int flags)
+{
+       return alg->cra_ctxsize;
+}
+
 int crypto_init_digest_flags(struct crypto_tfm *tfm, u32 flags);
 int crypto_init_cipher_flags(struct crypto_tfm *tfm, u32 flags);
 int crypto_init_compress_flags(struct crypto_tfm *tfm, u32 flags);