/* SPDX-License-Identifier: GPL-2.0 *//* * Shared crypto simd helpers */ #ifndef _CRYPTO_INTERNAL_SIMD_H#define _CRYPTO_INTERNAL_SIMD_H #include <linux/percpu.h>#include <linux/types.h> /* skcipher support */ struct simd_skcipher_alg;struct skcipher_alg; struct simd_skcipher_alg *simd_skcipher_create_compat(const char *algname,						      const char *drvname,						      const char *basename);struct simd_skcipher_alg *simd_skcipher_create(const char *algname,					       const char *basename);void simd_skcipher_free(struct simd_skcipher_alg *alg); int simd_register_skciphers_compat(struct skcipher_alg *algs, int count,				   struct simd_skcipher_alg **simd_algs); void simd_unregister_skciphers(struct skcipher_alg *algs, int count,			       struct simd_skcipher_alg **simd_algs); /* AEAD support */ struct simd_aead_alg;struct aead_alg; struct simd_aead_alg *simd_aead_create_compat(const char *algname,					      const char *drvname,					      const char *basename);struct simd_aead_alg *simd_aead_create(const char *algname,				       const char *basename);void simd_aead_free(struct simd_aead_alg *alg); int simd_register_aeads_compat(struct aead_alg *algs, int count,			       struct simd_aead_alg **simd_algs); void simd_unregister_aeads(struct aead_alg *algs, int count,			   struct simd_aead_alg **simd_algs); /* * crypto_simd_usable() - is it allowed at this time to use SIMD instructions or *			  access the SIMD register file? * * This delegates to may_use_simd(), except that this also returns false if SIMD * in crypto code has been temporarily disabled on this CPU by the crypto * self-tests, in order to test the no-SIMD fallback code.  This override is * currently limited to configurations where the extra self-tests are enabled, * because it might be a bit too invasive to be part of the regular self-tests. * * This is a macro so that <asm/simd.h>, which some architectures don't have, * doesn't have to be included directly here. */#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTSDECLARE_PER_CPU(bool, crypto_simd_disabled_for_test);#define crypto_simd_usable() \	(may_use_simd() && !this_cpu_read(crypto_simd_disabled_for_test))#else#define crypto_simd_usable() may_use_simd()#endif #endif /* _CRYPTO_INTERNAL_SIMD_H */