From ad5e42105059b23545b6958b3d8d4a65e7c78f01 Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Fri, 5 Oct 2018 23:20:40 +0200 Subject: global: rename include'd C files to be .c This is done by 259 other files in the kernel tree: linux $ rg '#include.*\.c' -l | wc -l 259 Suggested-by: Sultan Alsawaf --- src/crypto/zinc/chacha20/chacha20-x86_64-glue.h | 102 ------------------------ 1 file changed, 102 deletions(-) delete mode 100644 src/crypto/zinc/chacha20/chacha20-x86_64-glue.h (limited to 'src/crypto/zinc/chacha20/chacha20-x86_64-glue.h') diff --git a/src/crypto/zinc/chacha20/chacha20-x86_64-glue.h b/src/crypto/zinc/chacha20/chacha20-x86_64-glue.h deleted file mode 100644 index b1fc4c8..0000000 --- a/src/crypto/zinc/chacha20/chacha20-x86_64-glue.h +++ /dev/null @@ -1,102 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 OR MIT */ -/* - * Copyright (C) 2015-2018 Jason A. Donenfeld . All Rights Reserved. - */ - -#include -#include -#include -#include - -asmlinkage void hchacha20_ssse3(u32 *derived_key, const u8 *nonce, - const u8 *key); -asmlinkage void chacha20_ssse3(u8 *out, const u8 *in, const size_t len, - const u32 key[8], const u32 counter[4]); -asmlinkage void chacha20_avx2(u8 *out, const u8 *in, const size_t len, - const u32 key[8], const u32 counter[4]); -asmlinkage void chacha20_avx512(u8 *out, const u8 *in, const size_t len, - const u32 key[8], const u32 counter[4]); -asmlinkage void chacha20_avx512vl(u8 *out, const u8 *in, const size_t len, - const u32 key[8], const u32 counter[4]); - -static bool chacha20_use_ssse3 __ro_after_init; -static bool chacha20_use_avx2 __ro_after_init; -static bool chacha20_use_avx512 __ro_after_init; -static bool chacha20_use_avx512vl __ro_after_init; - -static void __init chacha20_fpu_init(void) -{ - chacha20_use_ssse3 = boot_cpu_has(X86_FEATURE_SSSE3); - chacha20_use_avx2 = - boot_cpu_has(X86_FEATURE_AVX) && - boot_cpu_has(X86_FEATURE_AVX2) && - cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, NULL); -#ifndef COMPAT_CANNOT_USE_AVX512 - chacha20_use_avx512 = - boot_cpu_has(X86_FEATURE_AVX) && - boot_cpu_has(X86_FEATURE_AVX2) && - boot_cpu_has(X86_FEATURE_AVX512F) && - cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM | - XFEATURE_MASK_AVX512, NULL) && - /* Skylake downclocks unacceptably much when using zmm. */ - boot_cpu_data.x86_model != INTEL_FAM6_SKYLAKE_X; - chacha20_use_avx512vl = - boot_cpu_has(X86_FEATURE_AVX) && - boot_cpu_has(X86_FEATURE_AVX2) && - boot_cpu_has(X86_FEATURE_AVX512F) && - boot_cpu_has(X86_FEATURE_AVX512VL) && - cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM | - XFEATURE_MASK_AVX512, NULL); -#endif -} - -static inline bool chacha20_arch(struct chacha20_ctx *ctx, u8 *dst, - const u8 *src, size_t len, - simd_context_t *simd_context) -{ - /* SIMD disables preemption, so relax after processing each page. */ - BUILD_BUG_ON(PAGE_SIZE < CHACHA20_BLOCK_SIZE || - PAGE_SIZE % CHACHA20_BLOCK_SIZE); - - if (!IS_ENABLED(CONFIG_AS_SSSE3) || !chacha20_use_ssse3 || - len <= CHACHA20_BLOCK_SIZE || !simd_use(simd_context)) - return false; - - for (;;) { - const size_t bytes = min_t(size_t, len, PAGE_SIZE); - - if (IS_ENABLED(CONFIG_AS_AVX512) && chacha20_use_avx512 && - len >= CHACHA20_BLOCK_SIZE * 8) - chacha20_avx512(dst, src, bytes, ctx->key, ctx->counter); - else if (IS_ENABLED(CONFIG_AS_AVX512) && chacha20_use_avx512vl && - len >= CHACHA20_BLOCK_SIZE * 4) - chacha20_avx512vl(dst, src, bytes, ctx->key, ctx->counter); - else if (IS_ENABLED(CONFIG_AS_AVX2) && chacha20_use_avx2 && - len >= CHACHA20_BLOCK_SIZE * 4) - chacha20_avx2(dst, src, bytes, ctx->key, ctx->counter); - else - chacha20_ssse3(dst, src, bytes, ctx->key, ctx->counter); - ctx->counter[0] += (bytes + 63) / 64; - len -= bytes; - if (!len) - break; - dst += bytes; - src += bytes; - simd_relax(simd_context); - } - - return true; -} - -static inline bool hchacha20_arch(u32 derived_key[CHACHA20_KEY_WORDS], - const u8 nonce[HCHACHA20_NONCE_SIZE], - const u8 key[HCHACHA20_KEY_SIZE], - simd_context_t *simd_context) -{ - if (IS_ENABLED(CONFIG_AS_SSSE3) && chacha20_use_ssse3 && - simd_use(simd_context)) { - hchacha20_ssse3(derived_key, nonce, key); - return true; - } - return false; -} -- cgit v1.2.3-59-g8ed1b