linux/crypto/internal.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Cryptographic API.
 *
 * Copyright (c) 2002 James Morris <[email protected]>
 * Copyright (c) 2005 Herbert Xu <[email protected]>
 */
#ifndef _CRYPTO_INTERNAL_H
#define _CRYPTO_INTERNAL_H

#include <crypto/algapi.h>
#include <linux/completion.h>
#include <linux/err.h>
#include <linux/jump_label.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/notifier.h>
#include <linux/numa.h>
#include <linux/refcount.h>
#include <linux/rwsem.h>
#include <linux/scatterlist.h>
#include <linux/sched.h>
#include <linux/types.h>

struct akcipher_request;
struct crypto_akcipher;
struct crypto_instance;
struct crypto_template;

struct crypto_larval { … };

struct crypto_akcipher_sync_data { … };

enum { … };

#define CRYPTOA_MAX …

/* Maximum number of (rtattr) parameters for each template. */
#define CRYPTO_MAX_ATTRS …

extern struct list_head crypto_alg_list;
extern struct rw_semaphore crypto_alg_sem;
extern struct blocking_notifier_head crypto_chain;

int alg_test(const char *driver, const char *alg, u32 type, u32 mask);

#if !IS_BUILTIN(CONFIG_CRYPTO_ALGAPI) || \
    IS_ENABLED(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS)
static inline bool crypto_boot_test_finished(void)
{ … }
static inline void set_crypto_boot_test_finished(void)
{ … }
#else
DECLARE_STATIC_KEY_FALSE(__crypto_boot_test_finished);
static inline bool crypto_boot_test_finished(void)
{
	return static_branch_likely(&__crypto_boot_test_finished);
}
static inline void set_crypto_boot_test_finished(void)
{
	static_branch_enable(&__crypto_boot_test_finished);
}
#endif /* !IS_BUILTIN(CONFIG_CRYPTO_ALGAPI) ||
	* IS_ENABLED(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS)
	*/

#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_cipher_ctxsize(struct crypto_alg *alg)
{ … }

static inline unsigned int crypto_compress_ctxsize(struct crypto_alg *alg)
{ … }

struct crypto_alg *crypto_mod_get(struct crypto_alg *alg);
struct crypto_alg *crypto_alg_mod_lookup(const char *name, u32 type, u32 mask);

struct crypto_larval *crypto_larval_alloc(const char *name, u32 type, u32 mask);
void crypto_schedule_test(struct crypto_larval *larval);
void crypto_alg_tested(const char *name, int err);

void crypto_remove_spawns(struct crypto_alg *alg, struct list_head *list,
			  struct crypto_alg *nalg);
void crypto_remove_final(struct list_head *list);
void crypto_shoot_alg(struct crypto_alg *alg);
struct crypto_tfm *__crypto_alloc_tfmgfp(struct crypto_alg *alg, u32 type,
					 u32 mask, gfp_t gfp);
struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type,
				      u32 mask);
void *crypto_create_tfm_node(struct crypto_alg *alg,
			const struct crypto_type *frontend, int node);
void *crypto_clone_tfm(const struct crypto_type *frontend,
		       struct crypto_tfm *otfm);

int crypto_akcipher_sync_prep(struct crypto_akcipher_sync_data *data);
int crypto_akcipher_sync_post(struct crypto_akcipher_sync_data *data, int err);
int crypto_init_akcipher_ops_sig(struct crypto_tfm *tfm);

static inline void *crypto_create_tfm(struct crypto_alg *alg,
			const struct crypto_type *frontend)
{ … }

struct crypto_alg *crypto_find_alg(const char *alg_name,
				   const struct crypto_type *frontend,
				   u32 type, u32 mask);

void *crypto_alloc_tfm_node(const char *alg_name,
		       const struct crypto_type *frontend, u32 type, u32 mask,
		       int node);

static inline void *crypto_alloc_tfm(const char *alg_name,
		       const struct crypto_type *frontend, u32 type, u32 mask)
{ … }

int crypto_probing_notify(unsigned long val, void *v);

unsigned int crypto_alg_extsize(struct crypto_alg *alg);

int crypto_type_has_alg(const char *name, const struct crypto_type *frontend,
			u32 type, u32 mask);

static inline struct crypto_alg *crypto_alg_get(struct crypto_alg *alg)
{ … }

static inline void crypto_alg_put(struct crypto_alg *alg)
{ … }

static inline int crypto_tmpl_get(struct crypto_template *tmpl)
{ … }

static inline void crypto_tmpl_put(struct crypto_template *tmpl)
{ … }

static inline int crypto_is_larval(struct crypto_alg *alg)
{ … }

static inline int crypto_is_dead(struct crypto_alg *alg)
{ … }

static inline int crypto_is_moribund(struct crypto_alg *alg)
{ … }

static inline void crypto_notify(unsigned long val, void *v)
{ … }

static inline void crypto_yield(u32 flags)
{ … }

static inline int crypto_is_test_larval(struct crypto_larval *larval)
{ … }

static inline struct crypto_tfm *crypto_tfm_get(struct crypto_tfm *tfm)
{ … }

#endif	/* _CRYPTO_INTERNAL_H */