From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/arch/arm64/crypto/sha1-ce-glue.c | 74 +++++++++++++++++++++++-------------
1 files changed, 47 insertions(+), 27 deletions(-)
diff --git a/kernel/arch/arm64/crypto/sha1-ce-glue.c b/kernel/arch/arm64/crypto/sha1-ce-glue.c
index ff11092..c175765 100644
--- a/kernel/arch/arm64/crypto/sha1-ce-glue.c
+++ b/kernel/arch/arm64/crypto/sha1-ce-glue.c
@@ -1,17 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* sha1-ce-glue.c - SHA-1 secure hash using ARMv8 Crypto Extensions
*
* Copyright (C) 2014 - 2017 Linaro Ltd <ard.biesheuvel@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <asm/neon.h>
#include <asm/simd.h>
#include <asm/unaligned.h>
#include <crypto/internal/hash.h>
+#include <crypto/internal/simd.h>
#include <crypto/sha.h>
#include <crypto/sha1_base.h>
#include <linux/cpufeature.h>
@@ -28,16 +26,26 @@
u32 finalize;
};
-asmlinkage void sha1_ce_transform(struct sha1_ce_state *sst, u8 const *src,
- int blocks);
-#ifdef CONFIG_CFI_CLANG
-static inline void __cfi_sha1_ce_transform(struct sha1_state *sst,
- u8 const *src, int blocks)
+extern const u32 sha1_ce_offsetof_count;
+extern const u32 sha1_ce_offsetof_finalize;
+
+asmlinkage int sha1_ce_transform(struct sha1_ce_state *sst, u8 const *src,
+ int blocks);
+
+static void __sha1_ce_transform(struct sha1_state *sst, u8 const *src,
+ int blocks)
{
- sha1_ce_transform((struct sha1_ce_state *)sst, src, blocks);
+ while (blocks) {
+ int rem;
+
+ kernel_neon_begin();
+ rem = sha1_ce_transform(container_of(sst, struct sha1_ce_state,
+ sst), src, blocks);
+ kernel_neon_end();
+ src += (blocks - rem) * SHA1_BLOCK_SIZE;
+ blocks = rem;
+ }
}
-#define sha1_ce_transform __cfi_sha1_ce_transform
-#endif
const u32 sha1_ce_offsetof_count = offsetof(struct sha1_ce_state, sst.count);
const u32 sha1_ce_offsetof_finalize = offsetof(struct sha1_ce_state, finalize);
@@ -47,14 +55,11 @@
{
struct sha1_ce_state *sctx = shash_desc_ctx(desc);
- if (!may_use_simd())
+ if (!crypto_simd_usable())
return crypto_sha1_update(desc, data, len);
sctx->finalize = 0;
- kernel_neon_begin();
- sha1_base_do_update(desc, data, len,
- (sha1_block_fn *)sha1_ce_transform);
- kernel_neon_end();
+ sha1_base_do_update(desc, data, len, __sha1_ce_transform);
return 0;
}
@@ -65,7 +70,7 @@
struct sha1_ce_state *sctx = shash_desc_ctx(desc);
bool finalize = !sctx->sst.count && !(len % SHA1_BLOCK_SIZE) && len;
- if (!may_use_simd())
+ if (!crypto_simd_usable())
return crypto_sha1_finup(desc, data, len, out);
/*
@@ -74,12 +79,9 @@
*/
sctx->finalize = finalize;
- kernel_neon_begin();
- sha1_base_do_update(desc, data, len,
- (sha1_block_fn *)sha1_ce_transform);
+ sha1_base_do_update(desc, data, len, __sha1_ce_transform);
if (!finalize)
- sha1_base_do_finalize(desc, (sha1_block_fn *)sha1_ce_transform);
- kernel_neon_end();
+ sha1_base_do_finalize(desc, __sha1_ce_transform);
return sha1_base_finish(desc, out);
}
@@ -87,14 +89,29 @@
{
struct sha1_ce_state *sctx = shash_desc_ctx(desc);
- if (!may_use_simd())
+ if (!crypto_simd_usable())
return crypto_sha1_finup(desc, NULL, 0, out);
sctx->finalize = 0;
- kernel_neon_begin();
- sha1_base_do_finalize(desc, (sha1_block_fn *)sha1_ce_transform);
- kernel_neon_end();
+ sha1_base_do_finalize(desc, __sha1_ce_transform);
return sha1_base_finish(desc, out);
+}
+
+static int sha1_ce_export(struct shash_desc *desc, void *out)
+{
+ struct sha1_ce_state *sctx = shash_desc_ctx(desc);
+
+ memcpy(out, &sctx->sst, sizeof(struct sha1_state));
+ return 0;
+}
+
+static int sha1_ce_import(struct shash_desc *desc, const void *in)
+{
+ struct sha1_ce_state *sctx = shash_desc_ctx(desc);
+
+ memcpy(&sctx->sst, in, sizeof(struct sha1_state));
+ sctx->finalize = 0;
+ return 0;
}
static struct shash_alg alg = {
@@ -102,7 +119,10 @@
.update = sha1_ce_update,
.final = sha1_ce_final,
.finup = sha1_ce_finup,
+ .import = sha1_ce_import,
+ .export = sha1_ce_export,
.descsize = sizeof(struct sha1_ce_state),
+ .statesize = sizeof(struct sha1_state),
.digestsize = SHA1_DIGEST_SIZE,
.base = {
.cra_name = "sha1",
--
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