X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=crypto%2Finternal.h;h=abb01f71f817a80192a449439ed0ecd0565d60c6;hb=22fa8d59be28affbecc6ae87abf528aebeebff24;hp=3a08d25fba45223e198652192bb1a2ba0fa4e695;hpb=2825982d9d66ebba4b532a07391dfbb357f71c5f;p=firefly-linux-kernel-4.4.55.git diff --git a/crypto/internal.h b/crypto/internal.h index 3a08d25fba45..abb01f71f817 100644 --- a/crypto/internal.h +++ b/crypto/internal.h @@ -43,17 +43,23 @@ 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) { - return crypto_km_types[(in_softirq() ? 2 : 0) + out]; + enum km_type type; + + if (in_softirq()) + type = out * (KM_SOFTIRQ1 - KM_SOFTIRQ0) + KM_SOFTIRQ0; + else + type = out * (KM_USER1 - KM_USER0) + KM_USER0; + + return type; } static inline void *crypto_kmap(struct page *page, int out) @@ -66,25 +72,12 @@ static inline void crypto_kunmap(void *vaddr, int out) kunmap_atomic(vaddr, crypto_kmap_type(out)); } -static inline void crypto_yield(struct crypto_tfm *tfm) +static inline void crypto_yield(u32 flags) { - if (tfm->crt_flags & CRYPTO_TFM_REQ_MAY_SLEEP) + if (flags & CRYPTO_TFM_REQ_MAY_SLEEP) cond_resched(); } -#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) -{ - return 0; -} - -static inline void crypto_free_hmac_block(struct crypto_tfm *tfm) -{ } -#endif - #ifdef CONFIG_PROC_FS void __init crypto_init_proc(void); void __exit crypto_exit_proc(void); @@ -95,40 +88,31 @@ static inline void crypto_exit_proc(void) { } #endif -static inline unsigned int crypto_digest_ctxsize(struct crypto_alg *alg, - int flags) -{ - return alg->cra_ctxsize; -} - -static inline unsigned int crypto_cipher_ctxsize(struct crypto_alg *alg, - int flags) +static inline unsigned int crypto_digest_ctxsize(struct crypto_alg *alg) { unsigned int len = alg->cra_ctxsize; - - switch (flags & CRYPTO_TFM_MODE_MASK) { - case CRYPTO_TFM_MODE_CBC: + + if (alg->cra_alignmask) { len = ALIGN(len, (unsigned long)alg->cra_alignmask + 1); - len += alg->cra_blocksize; - break; + len += alg->cra_digest.dia_digestsize; } return len; } -static inline unsigned int crypto_compress_ctxsize(struct crypto_alg *alg, - int flags) +static inline unsigned int crypto_cipher_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); +static inline unsigned int crypto_compress_ctxsize(struct crypto_alg *alg) +{ + return alg->cra_ctxsize; +} -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); @@ -138,7 +122,11 @@ 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); +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); @@ -146,6 +134,12 @@ int crypto_register_instance(struct crypto_template *tmpl, 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); @@ -161,6 +155,16 @@ 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);