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Diffstat (limited to 'arch/mips/cavium-octeon/crypto/octeon-sha256.c')
-rw-r--r--arch/mips/cavium-octeon/crypto/octeon-sha256.c73
1 files changed, 0 insertions, 73 deletions
diff --git a/arch/mips/cavium-octeon/crypto/octeon-sha256.c b/arch/mips/cavium-octeon/crypto/octeon-sha256.c
deleted file mode 100644
index f93faaf1f4af..000000000000
--- a/arch/mips/cavium-octeon/crypto/octeon-sha256.c
+++ /dev/null
@@ -1,73 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * SHA-256 Secure Hash Algorithm.
- *
- * Adapted for OCTEON by Aaro Koskinen <aaro.koskinen@iki.fi>.
- *
- * Based on crypto/sha256_generic.c, which is:
- *
- * Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com>
- * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
- * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
- * SHA224 Support Copyright 2007 Intel Corporation <jonathan.lynch@intel.com>
- */
-
-#include <asm/octeon/octeon.h>
-#include <crypto/internal/sha2.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-
-#include "octeon-crypto.h"
-
-/*
- * We pass everything as 64-bit. OCTEON can handle misaligned data.
- */
-
-void sha256_blocks_arch(u32 state[SHA256_STATE_WORDS],
- const u8 *data, size_t nblocks)
-{
- struct octeon_cop2_state cop2_state;
- u64 *state64 = (u64 *)state;
- unsigned long flags;
-
- if (!octeon_has_crypto())
- return sha256_blocks_generic(state, data, nblocks);
-
- flags = octeon_crypto_enable(&cop2_state);
- write_octeon_64bit_hash_dword(state64[0], 0);
- write_octeon_64bit_hash_dword(state64[1], 1);
- write_octeon_64bit_hash_dword(state64[2], 2);
- write_octeon_64bit_hash_dword(state64[3], 3);
-
- do {
- const u64 *block = (const u64 *)data;
-
- write_octeon_64bit_block_dword(block[0], 0);
- write_octeon_64bit_block_dword(block[1], 1);
- write_octeon_64bit_block_dword(block[2], 2);
- write_octeon_64bit_block_dword(block[3], 3);
- write_octeon_64bit_block_dword(block[4], 4);
- write_octeon_64bit_block_dword(block[5], 5);
- write_octeon_64bit_block_dword(block[6], 6);
- octeon_sha256_start(block[7]);
-
- data += SHA256_BLOCK_SIZE;
- } while (--nblocks);
-
- state64[0] = read_octeon_64bit_hash_dword(0);
- state64[1] = read_octeon_64bit_hash_dword(1);
- state64[2] = read_octeon_64bit_hash_dword(2);
- state64[3] = read_octeon_64bit_hash_dword(3);
- octeon_crypto_disable(&cop2_state, flags);
-}
-EXPORT_SYMBOL_GPL(sha256_blocks_arch);
-
-bool sha256_is_arch_optimized(void)
-{
- return octeon_has_crypto();
-}
-EXPORT_SYMBOL_GPL(sha256_is_arch_optimized);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("SHA-256 Secure Hash Algorithm (OCTEON)");
-MODULE_AUTHOR("Aaro Koskinen <aaro.koskinen@iki.fi>");