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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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1234567891011121314151617181920212223242526272829303132333435363738394041/* SPDX-License-Identifier: GPL-2.0 *//* * Shared crypto simd helpers */
#ifndef _CRYPTO_INTERNAL_SIMD_H#define _CRYPTO_INTERNAL_SIMD_H
#include <asm/simd.h>#include <linux/percpu.h>#include <linux/types.h>
struct simd_aead_alg;struct aead_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 "full" self-tests are enabled, * because it might be a bit too invasive to be part of the "fast" self-tests. */#ifdef CONFIG_CRYPTO_SELFTESTS_FULLDECLARE_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 */