X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=crypto%2Finternal.h;h=32f4c214560315ccc284346499f6b9428bae1d66;hb=48c8949ea8460216783dd33640121187b9531b60;hp=83b1b6d6d92b9963d392dc9ea11c3f5eaa1c9ea9;hpb=176c3652c544b6f8d4bb1984c58c10080f45dbf0;p=safe%2Fjmp%2Flinux-2.6

diff --git a/crypto/internal.h b/crypto/internal.h
index 83b1b6d..32f4c21 100644
--- 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
@@ -11,59 +12,78 @@
  */
 #ifndef _CRYPTO_INTERNAL_H
 #define _CRYPTO_INTERNAL_H
-#include <linux/crypto.h>
+
+#include <crypto/algapi.h>
+#include <linux/completion.h>
 #include <linux/mm.h>
 #include <linux/highmem.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
-#include <asm/kmap_types.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/notifier.h>
+#include <linux/rwsem.h>
+#include <linux/slab.h>
 
-extern enum km_type crypto_km_types[];
+/* Crypto notification events. */
+enum {
+	CRYPTO_MSG_ALG_REQUEST,
+	CRYPTO_MSG_ALG_REGISTER,
+	CRYPTO_MSG_ALG_UNREGISTER,
+	CRYPTO_MSG_TMPL_REGISTER,
+	CRYPTO_MSG_TMPL_UNREGISTER,
+};
 
-static inline enum km_type crypto_kmap_type(int out)
-{
-	return crypto_km_types[(in_softirq() ? 2 : 0) + out];
-}
+struct crypto_instance;
+struct crypto_template;
 
-static inline void *crypto_kmap(struct page *page, int out)
-{
-	return kmap_atomic(page, crypto_kmap_type(out));
-}
+struct crypto_larval {
+	struct crypto_alg alg;
+	struct crypto_alg *adult;
+	struct completion completion;
+	u32 mask;
+};
+
+extern struct list_head crypto_alg_list;
+extern struct rw_semaphore crypto_alg_sem;
+extern struct blocking_notifier_head crypto_chain;
+
+#ifdef CONFIG_PROC_FS
+void __init crypto_init_proc(void);
+void __exit crypto_exit_proc(void);
+#else
+static inline void crypto_init_proc(void)
+{ }
+static inline void crypto_exit_proc(void)
+{ }
+#endif
 
-static inline void crypto_kunmap(void *vaddr, int out)
+static inline unsigned int crypto_digest_ctxsize(struct crypto_alg *alg)
 {
-	kunmap_atomic(vaddr, crypto_kmap_type(out));
+	unsigned int len = alg->cra_ctxsize;
+
+	if (alg->cra_alignmask) {
+		len = ALIGN(len, (unsigned long)alg->cra_alignmask + 1);
+		len += alg->cra_digest.dia_digestsize;
+	}
+
+	return len;
 }
 
-static inline void crypto_yield(struct crypto_tfm *tfm)
+static inline unsigned int crypto_cipher_ctxsize(struct crypto_alg *alg)
 {
-	if (!in_atomic())
-		cond_resched();
+	return alg->cra_ctxsize;
 }
 
-#ifdef CONFIG_CRYPTO_HMAC
-int crypto_alloc_hmac_block(struct crypto_tfm *tfm);
-void crypto_free_hmac_block(struct crypto_tfm *tfm);
-#else
-static inline int crypto_alloc_hmac_block(struct crypto_tfm *tfm)
+static inline unsigned int crypto_compress_ctxsize(struct crypto_alg *alg)
 {
-	return 0;
+	return alg->cra_ctxsize;
 }
 
-static inline void crypto_free_hmac_block(struct crypto_tfm *tfm)
-{ }
-#endif
-
-#ifdef CONFIG_PROC_FS
-void __init crypto_init_proc(void);
-#else
-static inline void crypto_init_proc(void)
-{ }
-#endif
-
-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);
+struct crypto_alg *crypto_mod_get(struct crypto_alg *alg);
+struct crypto_alg *__crypto_alg_lookup(const char *name, u32 type, u32 mask);
+struct crypto_alg *crypto_alg_mod_lookup(const char *name, u32 type, u32 mask);
 
 int crypto_init_digest_ops(struct crypto_tfm *tfm);
 int crypto_init_cipher_ops(struct crypto_tfm *tfm);
@@ -73,5 +93,55 @@ void crypto_exit_digest_ops(struct crypto_tfm *tfm);
 void crypto_exit_cipher_ops(struct crypto_tfm *tfm);
 void crypto_exit_compress_ops(struct crypto_tfm *tfm);
 
+void crypto_larval_kill(struct crypto_alg *alg);
+struct crypto_alg *crypto_larval_lookup(const char *name, u32 type, u32 mask);
+void crypto_larval_error(const char *name, u32 type, u32 mask);
+
+void crypto_shoot_alg(struct crypto_alg *alg);
+struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type,
+				      u32 mask);
+
+int crypto_register_instance(struct crypto_template *tmpl,
+			     struct crypto_instance *inst);
+
+int crypto_register_notifier(struct notifier_block *nb);
+int crypto_unregister_notifier(struct notifier_block *nb);
+
+static inline void crypto_alg_put(struct crypto_alg *alg)
+{
+	if (atomic_dec_and_test(&alg->cra_refcnt) && alg->cra_destroy)
+		alg->cra_destroy(alg);
+}
+
+static inline int crypto_tmpl_get(struct crypto_template *tmpl)
+{
+	return try_module_get(tmpl->module);
+}
+
+static inline void crypto_tmpl_put(struct crypto_template *tmpl)
+{
+	module_put(tmpl->module);
+}
+
+static inline int crypto_is_larval(struct crypto_alg *alg)
+{
+	return alg->cra_flags & CRYPTO_ALG_LARVAL;
+}
+
+static inline int crypto_is_dead(struct crypto_alg *alg)
+{
+	return alg->cra_flags & CRYPTO_ALG_DEAD;
+}
+
+static inline int crypto_is_moribund(struct crypto_alg *alg)
+{
+	return alg->cra_flags & (CRYPTO_ALG_DEAD | CRYPTO_ALG_DYING);
+}
+
+static inline int crypto_notify(unsigned long val, void *v)
+{
+	return blocking_notifier_call_chain(&crypto_chain, val, v);
+}
+
 #endif	/* _CRYPTO_INTERNAL_H */