1 files changed, 0 insertions, 324 deletions
diff --git a/arch/x86/crypto/sha1_ssse3_glue.c b/arch/x86/crypto/sha1_ssse3_glue.c
deleted file mode 100644
index 0a912bfc86c5..000000000000
--- a/arch/x86/crypto/sha1_ssse3_glue.c
+++ /dev/null
@@ -1,324 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Cryptographic API.
- *
- * Glue code for the SHA1 Secure Hash Algorithm assembler implementations
- * using SSSE3, AVX, AVX2, and SHA-NI instructions.
- *
- * This file is based on sha1_generic.c
- *
- * Copyright (c) Alan Smithee.
- * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
- * Copyright (c) Jean-Francois Dive <jef@linuxbe.org>
- * Copyright (c) Mathias Krause <minipli@googlemail.com>
- * Copyright (c) Chandramouli Narayanan <mouli@linux.intel.com>
- */
-
-#define pr_fmt(fmt)	KBUILD_MODNAME ": " fmt
-
-#include <asm/cpu_device_id.h>
-#include <asm/simd.h>
-#include <crypto/internal/hash.h>
-#include <crypto/sha1.h>
-#include <crypto/sha1_base.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-
-static const struct x86_cpu_id module_cpu_ids[] = {
-	X86_MATCH_FEATURE(X86_FEATURE_SHA_NI, NULL),
-	X86_MATCH_FEATURE(X86_FEATURE_AVX2, NULL),
-	X86_MATCH_FEATURE(X86_FEATURE_AVX, NULL),
-	X86_MATCH_FEATURE(X86_FEATURE_SSSE3, NULL),
-	{}
-};
-MODULE_DEVICE_TABLE(x86cpu, module_cpu_ids);
-
-static inline int sha1_update(struct shash_desc *desc, const u8 *data,
-			      unsigned int len, sha1_block_fn *sha1_xform)
-{
-	int remain;
-
-	/*
-	 * Make sure struct sha1_state begins directly with the SHA1
-	 * 160-bit internal state, as this is what the asm functions expect.
-	 */
-	BUILD_BUG_ON(offsetof(struct sha1_state, state) != 0);
-
-	kernel_fpu_begin();
-	remain = sha1_base_do_update_blocks(desc, data, len, sha1_xform);
-	kernel_fpu_end();
-
-	return remain;
-}
-
-static inline int sha1_finup(struct shash_desc *desc, const u8 *data,
-			     unsigned int len, u8 *out,
-			     sha1_block_fn *sha1_xform)
-{
-	kernel_fpu_begin();
-	sha1_base_do_finup(desc, data, len, sha1_xform);
-	kernel_fpu_end();
-
-	return sha1_base_finish(desc, out);
-}
-
-asmlinkage void sha1_transform_ssse3(struct sha1_state *state,
-				     const u8 *data, int blocks);
-
-static int sha1_ssse3_update(struct shash_desc *desc, const u8 *data,
-			     unsigned int len)
-{
-	return sha1_update(desc, data, len, sha1_transform_ssse3);
-}
-
-static int sha1_ssse3_finup(struct shash_desc *desc, const u8 *data,
-			      unsigned int len, u8 *out)
-{
-	return sha1_finup(desc, data, len, out, sha1_transform_ssse3);
-}
-
-static struct shash_alg sha1_ssse3_alg = {
-	.digestsize	=	SHA1_DIGEST_SIZE,
-	.init		=	sha1_base_init,
-	.update		=	sha1_ssse3_update,
-	.finup		=	sha1_ssse3_finup,
-	.descsize	=	SHA1_STATE_SIZE,
-	.base		=	{
-		.cra_name	=	"sha1",
-		.cra_driver_name =	"sha1-ssse3",
-		.cra_priority	=	150,
-		.cra_flags	=	CRYPTO_AHASH_ALG_BLOCK_ONLY,
-		.cra_blocksize	=	SHA1_BLOCK_SIZE,
-		.cra_module	=	THIS_MODULE,
-	}
-};
-
-static int register_sha1_ssse3(void)
-{
-	if (boot_cpu_has(X86_FEATURE_SSSE3))
-		return crypto_register_shash(&sha1_ssse3_alg);
-	return 0;
-}
-
-static void unregister_sha1_ssse3(void)
-{
-	if (boot_cpu_has(X86_FEATURE_SSSE3))
-		crypto_unregister_shash(&sha1_ssse3_alg);
-}
-
-asmlinkage void sha1_transform_avx(struct sha1_state *state,
-				   const u8 *data, int blocks);
-
-static int sha1_avx_update(struct shash_desc *desc, const u8 *data,
-			     unsigned int len)
-{
-	return sha1_update(desc, data, len, sha1_transform_avx);
-}
-
-static int sha1_avx_finup(struct shash_desc *desc, const u8 *data,
-			      unsigned int len, u8 *out)
-{
-	return sha1_finup(desc, data, len, out, sha1_transform_avx);
-}
-
-static struct shash_alg sha1_avx_alg = {
-	.digestsize	=	SHA1_DIGEST_SIZE,
-	.init		=	sha1_base_init,
-	.update		=	sha1_avx_update,
-	.finup		=	sha1_avx_finup,
-	.descsize	=	SHA1_STATE_SIZE,
-	.base		=	{
-		.cra_name	=	"sha1",
-		.cra_driver_name =	"sha1-avx",
-		.cra_priority	=	160,
-		.cra_flags	=	CRYPTO_AHASH_ALG_BLOCK_ONLY,
-		.cra_blocksize	=	SHA1_BLOCK_SIZE,
-		.cra_module	=	THIS_MODULE,
-	}
-};
-
-static bool avx_usable(void)
-{
-	if (!cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, NULL)) {
-		if (boot_cpu_has(X86_FEATURE_AVX))
-			pr_info("AVX detected but unusable.\n");
-		return false;
-	}
-
-	return true;
-}
-
-static int register_sha1_avx(void)
-{
-	if (avx_usable())
-		return crypto_register_shash(&sha1_avx_alg);
-	return 0;
-}
-
-static void unregister_sha1_avx(void)
-{
-	if (avx_usable())
-		crypto_unregister_shash(&sha1_avx_alg);
-}
-
-#define SHA1_AVX2_BLOCK_OPTSIZE	4	/* optimal 4*64 bytes of SHA1 blocks */
-
-asmlinkage void sha1_transform_avx2(struct sha1_state *state,
-				    const u8 *data, int blocks);
-
-static bool avx2_usable(void)
-{
-	if (avx_usable() && boot_cpu_has(X86_FEATURE_AVX2)
-		&& boot_cpu_has(X86_FEATURE_BMI1)
-		&& boot_cpu_has(X86_FEATURE_BMI2))
-		return true;
-
-	return false;
-}
-
-static inline void sha1_apply_transform_avx2(struct sha1_state *state,
-					     const u8 *data, int blocks)
-{
-	/* Select the optimal transform based on data block size */
-	if (blocks >= SHA1_AVX2_BLOCK_OPTSIZE)
-		sha1_transform_avx2(state, data, blocks);
-	else
-		sha1_transform_avx(state, data, blocks);
-}
-
-static int sha1_avx2_update(struct shash_desc *desc, const u8 *data,
-			     unsigned int len)
-{
-	return sha1_update(desc, data, len, sha1_apply_transform_avx2);
-}
-
-static int sha1_avx2_finup(struct shash_desc *desc, const u8 *data,
-			      unsigned int len, u8 *out)
-{
-	return sha1_finup(desc, data, len, out, sha1_apply_transform_avx2);
-}
-
-static struct shash_alg sha1_avx2_alg = {
-	.digestsize	=	SHA1_DIGEST_SIZE,
-	.init		=	sha1_base_init,
-	.update		=	sha1_avx2_update,
-	.finup		=	sha1_avx2_finup,
-	.descsize	=	SHA1_STATE_SIZE,
-	.base		=	{
-		.cra_name	=	"sha1",
-		.cra_driver_name =	"sha1-avx2",
-		.cra_priority	=	170,
-		.cra_flags	=	CRYPTO_AHASH_ALG_BLOCK_ONLY,
-		.cra_blocksize	=	SHA1_BLOCK_SIZE,
-		.cra_module	=	THIS_MODULE,
-	}
-};
-
-static int register_sha1_avx2(void)
-{
-	if (avx2_usable())
-		return crypto_register_shash(&sha1_avx2_alg);
-	return 0;
-}
-
-static void unregister_sha1_avx2(void)
-{
-	if (avx2_usable())
-		crypto_unregister_shash(&sha1_avx2_alg);
-}
-
-asmlinkage void sha1_ni_transform(struct sha1_state *digest, const u8 *data,
-				  int rounds);
-
-static int sha1_ni_update(struct shash_desc *desc, const u8 *data,
-			     unsigned int len)
-{
-	return sha1_update(desc, data, len, sha1_ni_transform);
-}
-
-static int sha1_ni_finup(struct shash_desc *desc, const u8 *data,
-			      unsigned int len, u8 *out)
-{
-	return sha1_finup(desc, data, len, out, sha1_ni_transform);
-}
-
-static struct shash_alg sha1_ni_alg = {
-	.digestsize	=	SHA1_DIGEST_SIZE,
-	.init		=	sha1_base_init,
-	.update		=	sha1_ni_update,
-	.finup		=	sha1_ni_finup,
-	.descsize	=	SHA1_STATE_SIZE,
-	.base		=	{
-		.cra_name	=	"sha1",
-		.cra_driver_name =	"sha1-ni",
-		.cra_priority	=	250,
-		.cra_flags	=	CRYPTO_AHASH_ALG_BLOCK_ONLY,
-		.cra_blocksize	=	SHA1_BLOCK_SIZE,
-		.cra_module	=	THIS_MODULE,
-	}
-};
-
-static int register_sha1_ni(void)
-{
-	if (boot_cpu_has(X86_FEATURE_SHA_NI))
-		return crypto_register_shash(&sha1_ni_alg);
-	return 0;
-}
-
-static void unregister_sha1_ni(void)
-{
-	if (boot_cpu_has(X86_FEATURE_SHA_NI))
-		crypto_unregister_shash(&sha1_ni_alg);
-}
-
-static int __init sha1_ssse3_mod_init(void)
-{
-	if (!x86_match_cpu(module_cpu_ids))
-		return -ENODEV;
-
-	if (register_sha1_ssse3())
-		goto fail;
-
-	if (register_sha1_avx()) {
-		unregister_sha1_ssse3();
-		goto fail;
-	}
-
-	if (register_sha1_avx2()) {
-		unregister_sha1_avx();
-		unregister_sha1_ssse3();
-		goto fail;
-	}
-
-	if (register_sha1_ni()) {
-		unregister_sha1_avx2();
-		unregister_sha1_avx();
-		unregister_sha1_ssse3();
-		goto fail;
-	}
-
-	return 0;
-fail:
-	return -ENODEV;
-}
-
-static void __exit sha1_ssse3_mod_fini(void)
-{
-	unregister_sha1_ni();
-	unregister_sha1_avx2();
-	unregister_sha1_avx();
-	unregister_sha1_ssse3();
-}
-
-module_init(sha1_ssse3_mod_init);
-module_exit(sha1_ssse3_mod_fini);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm, Supplemental SSE3 accelerated");
-
-MODULE_ALIAS_CRYPTO("sha1");
-MODULE_ALIAS_CRYPTO("sha1-ssse3");
-MODULE_ALIAS_CRYPTO("sha1-avx");
-MODULE_ALIAS_CRYPTO("sha1-avx2");
-MODULE_ALIAS_CRYPTO("sha1-ni");