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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211/* 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 */