/* SPDX-License-Identifier: GPL-2.0-or-later *//* * Cryptographic API. * * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> * Copyright (c) 2005 Herbert Xu <herbert@gondor.apana.org.au> */#ifndef _CRYPTO_INTERNAL_H#define _CRYPTO_INTERNAL_H #include <crypto/algapi.h>#include <linux/completion.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 crypto_instance;struct crypto_template; struct crypto_larval {	struct crypto_alg alg;	struct crypto_alg *adult;	struct completion completion;	u32 mask;	bool test_started;}; struct crypto_type {	unsigned int (*ctxsize)(struct crypto_alg *alg, u32 type, u32 mask);	unsigned int (*extsize)(struct crypto_alg *alg);	int (*init_tfm)(struct crypto_tfm *tfm);	void (*show)(struct seq_file *m, struct crypto_alg *alg);	int (*report)(struct sk_buff *skb, struct crypto_alg *alg);	void (*free)(struct crypto_instance *inst);	void (*destroy)(struct crypto_alg *alg); 	unsigned int type;	unsigned int maskclear;	unsigned int maskset;	unsigned int tfmsize;	unsigned int algsize;}; enum {	CRYPTOA_UNSPEC,	CRYPTOA_ALG,	CRYPTOA_TYPE,	__CRYPTOA_MAX,}; #define CRYPTOA_MAX (__CRYPTOA_MAX - 1) /* Maximum number of (rtattr) parameters for each template. */#define CRYPTO_MAX_ATTRS 32 extern struct rw_semaphore crypto_alg_sem;extern struct list_head crypto_alg_list __guarded_by(&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_SELFTESTS)static inline bool crypto_boot_test_finished(void){	return true;}static inline void set_crypto_boot_test_finished(void){}#elseDECLARE_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_SELFTESTS)	*/ #ifdef CONFIG_PROC_FSvoid __init crypto_init_proc(void);void __exit crypto_exit_proc(void);#elsestatic 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){	return alg->cra_ctxsize;} 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);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_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); static inline void *crypto_create_tfm(struct crypto_alg *alg,			const struct crypto_type *frontend){	return crypto_create_tfm_node(alg, frontend, NUMA_NO_NODE);} 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){	return crypto_alloc_tfm_node(alg_name, frontend, type, mask, NUMA_NO_NODE);} 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){	refcount_inc(&alg->cra_refcnt);	return alg;} void crypto_destroy_alg(struct crypto_alg *alg); static inline void crypto_alg_put(struct crypto_alg *alg){	if (refcount_dec_and_test(&alg->cra_refcnt))		crypto_destroy_alg(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 void crypto_notify(unsigned long val, void *v){	blocking_notifier_call_chain(&crypto_chain, val, v);} static inline void crypto_yield(u32 flags){	if (flags & CRYPTO_TFM_REQ_MAY_SLEEP)		cond_resched();} static inline int crypto_is_test_larval(struct crypto_larval *larval){	return larval->alg.cra_driver_name[0];} #endif	/* _CRYPTO_INTERNAL_H */