X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=crypto%2Finternal.h;h=03c00b0e6b60c19d4d453cf32cf0ef9a60e3f275;hb=6bfd48096ff8;hp=37515beafc8ce44ff501d15d617968248656b59f;hpb=2d986010ad13a00b83851238d52601d6092df40e;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git

diff --git a/crypto/internal.h b/crypto/internal.h
index 37515beafc8c..03c00b0e6b60 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
@@ -11,14 +12,44 @@
  */
 #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 <linux/list.h>
+#include <linux/module.h>
 #include <linux/kernel.h>
+#include <linux/notifier.h>
+#include <linux/rwsem.h>
+#include <linux/slab.h>
 #include <asm/kmap_types.h>
 
+/* Crypto notification events. */
+enum {
+	CRYPTO_MSG_ALG_REQUEST,
+	CRYPTO_MSG_ALG_REGISTER,
+	CRYPTO_MSG_ALG_UNREGISTER,
+	CRYPTO_MSG_TMPL_REGISTER,
+	CRYPTO_MSG_TMPL_UNREGISTER,
+};
+
+struct crypto_instance;
+struct crypto_template;
+
+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;
+
 extern enum km_type crypto_km_types[];
 
 static inline enum km_type crypto_kmap_type(int out)
@@ -38,7 +69,7 @@ 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();
 }
 
@@ -57,9 +88,12 @@ static inline void crypto_free_hmac_block(struct crypto_tfm *tfm)
 
 #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 unsigned int crypto_digest_ctxsize(struct crypto_alg *alg,
@@ -89,6 +123,11 @@ static inline unsigned int crypto_compress_ctxsize(struct crypto_alg *alg,
 	return alg->cra_ctxsize;
 }
 
+struct crypto_alg *crypto_mod_get(struct crypto_alg *alg);
+void crypto_mod_put(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_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);
@@ -101,5 +140,52 @@ 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_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 flags);
+
+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 */