1 files changed, 0 insertions, 332 deletions
diff --git a/arch/x86/crypto/crct10dif-pcl-asm_64.S b/arch/x86/crypto/crct10dif-pcl-asm_64.S
deleted file mode 100644
index 5286db5b8165..000000000000
--- a/arch/x86/crypto/crct10dif-pcl-asm_64.S
+++ /dev/null
@@ -1,332 +0,0 @@
-########################################################################
-# Implement fast CRC-T10DIF computation with SSE and PCLMULQDQ instructions
-#
-# Copyright (c) 2013, Intel Corporation
-#
-# Authors:
-#     Erdinc Ozturk <erdinc.ozturk@intel.com>
-#     Vinodh Gopal <vinodh.gopal@intel.com>
-#     James Guilford <james.guilford@intel.com>
-#     Tim Chen <tim.c.chen@linux.intel.com>
-#
-# This software is available to you under a choice of one of two
-# licenses.  You may choose to be licensed under the terms of the GNU
-# General Public License (GPL) Version 2, available from the file
-# COPYING in the main directory of this source tree, or the
-# OpenIB.org BSD license below:
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-# * Redistributions of source code must retain the above copyright
-#   notice, this list of conditions and the following disclaimer.
-#
-# * Redistributions in binary form must reproduce the above copyright
-#   notice, this list of conditions and the following disclaimer in the
-#   documentation and/or other materials provided with the
-#   distribution.
-#
-# * Neither the name of the Intel Corporation nor the names of its
-#   contributors may be used to endorse or promote products derived from
-#   this software without specific prior written permission.
-#
-#
-# THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION ""AS IS"" AND ANY
-# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL CORPORATION OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
-#       Reference paper titled "Fast CRC Computation for Generic
-#	Polynomials Using PCLMULQDQ Instruction"
-#       URL: http://www.intel.com/content/dam/www/public/us/en/documents
-#  /white-papers/fast-crc-computation-generic-polynomials-pclmulqdq-paper.pdf
-#
-
-#include <linux/linkage.h>
-
-.text
-
-#define		init_crc	%edi
-#define		buf		%rsi
-#define		len		%rdx
-
-#define		FOLD_CONSTS	%xmm10
-#define		BSWAP_MASK	%xmm11
-
-# Fold reg1, reg2 into the next 32 data bytes, storing the result back into
-# reg1, reg2.
-.macro	fold_32_bytes	offset, reg1, reg2
-	movdqu	\offset(buf), %xmm9
-	movdqu	\offset+16(buf), %xmm12
-	pshufb	BSWAP_MASK, %xmm9
-	pshufb	BSWAP_MASK, %xmm12
-	movdqa	\reg1, %xmm8
-	movdqa	\reg2, %xmm13
-	pclmulqdq	$0x00, FOLD_CONSTS, \reg1
-	pclmulqdq	$0x11, FOLD_CONSTS, %xmm8
-	pclmulqdq	$0x00, FOLD_CONSTS, \reg2
-	pclmulqdq	$0x11, FOLD_CONSTS, %xmm13
-	pxor	%xmm9 , \reg1
-	xorps	%xmm8 , \reg1
-	pxor	%xmm12, \reg2
-	xorps	%xmm13, \reg2
-.endm
-
-# Fold src_reg into dst_reg.
-.macro	fold_16_bytes	src_reg, dst_reg
-	movdqa	\src_reg, %xmm8
-	pclmulqdq	$0x11, FOLD_CONSTS, \src_reg
-	pclmulqdq	$0x00, FOLD_CONSTS, %xmm8
-	pxor	%xmm8, \dst_reg
-	xorps	\src_reg, \dst_reg
-.endm
-
-#
-# u16 crc_t10dif_pcl(u16 init_crc, const *u8 buf, size_t len);
-#
-# Assumes len >= 16.
-#
-SYM_FUNC_START(crc_t10dif_pcl)
-
-	movdqa	.Lbswap_mask(%rip), BSWAP_MASK
-
-	# For sizes less than 256 bytes, we can't fold 128 bytes at a time.
-	cmp	$256, len
-	jl	.Lless_than_256_bytes
-
-	# Load the first 128 data bytes.  Byte swapping is necessary to make the
-	# bit order match the polynomial coefficient order.
-	movdqu	16*0(buf), %xmm0
-	movdqu	16*1(buf), %xmm1
-	movdqu	16*2(buf), %xmm2
-	movdqu	16*3(buf), %xmm3
-	movdqu	16*4(buf), %xmm4
-	movdqu	16*5(buf), %xmm5
-	movdqu	16*6(buf), %xmm6
-	movdqu	16*7(buf), %xmm7
-	add	$128, buf
-	pshufb	BSWAP_MASK, %xmm0
-	pshufb	BSWAP_MASK, %xmm1
-	pshufb	BSWAP_MASK, %xmm2
-	pshufb	BSWAP_MASK, %xmm3
-	pshufb	BSWAP_MASK, %xmm4
-	pshufb	BSWAP_MASK, %xmm5
-	pshufb	BSWAP_MASK, %xmm6
-	pshufb	BSWAP_MASK, %xmm7
-
-	# XOR the first 16 data *bits* with the initial CRC value.
-	pxor	%xmm8, %xmm8
-	pinsrw	$7, init_crc, %xmm8
-	pxor	%xmm8, %xmm0
-
-	movdqa	.Lfold_across_128_bytes_consts(%rip), FOLD_CONSTS
-
-	# Subtract 128 for the 128 data bytes just consumed.  Subtract another
-	# 128 to simplify the termination condition of the following loop.
-	sub	$256, len
-
-	# While >= 128 data bytes remain (not counting xmm0-7), fold the 128
-	# bytes xmm0-7 into them, storing the result back into xmm0-7.
-.Lfold_128_bytes_loop:
-	fold_32_bytes	0, %xmm0, %xmm1
-	fold_32_bytes	32, %xmm2, %xmm3
-	fold_32_bytes	64, %xmm4, %xmm5
-	fold_32_bytes	96, %xmm6, %xmm7
-	add	$128, buf
-	sub	$128, len
-	jge	.Lfold_128_bytes_loop
-
-	# Now fold the 112 bytes in xmm0-xmm6 into the 16 bytes in xmm7.
-
-	# Fold across 64 bytes.
-	movdqa	.Lfold_across_64_bytes_consts(%rip), FOLD_CONSTS
-	fold_16_bytes	%xmm0, %xmm4
-	fold_16_bytes	%xmm1, %xmm5
-	fold_16_bytes	%xmm2, %xmm6
-	fold_16_bytes	%xmm3, %xmm7
-	# Fold across 32 bytes.
-	movdqa	.Lfold_across_32_bytes_consts(%rip), FOLD_CONSTS
-	fold_16_bytes	%xmm4, %xmm6
-	fold_16_bytes	%xmm5, %xmm7
-	# Fold across 16 bytes.
-	movdqa	.Lfold_across_16_bytes_consts(%rip), FOLD_CONSTS
-	fold_16_bytes	%xmm6, %xmm7
-
-	# Add 128 to get the correct number of data bytes remaining in 0...127
-	# (not counting xmm7), following the previous extra subtraction by 128.
-	# Then subtract 16 to simplify the termination condition of the
-	# following loop.
-	add	$128-16, len
-
-	# While >= 16 data bytes remain (not counting xmm7), fold the 16 bytes
-	# xmm7 into them, storing the result back into xmm7.
-	jl	.Lfold_16_bytes_loop_done
-.Lfold_16_bytes_loop:
-	movdqa	%xmm7, %xmm8
-	pclmulqdq	$0x11, FOLD_CONSTS, %xmm7
-	pclmulqdq	$0x00, FOLD_CONSTS, %xmm8
-	pxor	%xmm8, %xmm7
-	movdqu	(buf), %xmm0
-	pshufb	BSWAP_MASK, %xmm0
-	pxor	%xmm0 , %xmm7
-	add	$16, buf
-	sub	$16, len
-	jge	.Lfold_16_bytes_loop
-
-.Lfold_16_bytes_loop_done:
-	# Add 16 to get the correct number of data bytes remaining in 0...15
-	# (not counting xmm7), following the previous extra subtraction by 16.
-	add	$16, len
-	je	.Lreduce_final_16_bytes
-
-.Lhandle_partial_segment:
-	# Reduce the last '16 + len' bytes where 1 <= len <= 15 and the first 16
-	# bytes are in xmm7 and the rest are the remaining data in 'buf'.  To do
-	# this without needing a fold constant for each possible 'len', redivide
-	# the bytes into a first chunk of 'len' bytes and a second chunk of 16
-	# bytes, then fold the first chunk into the second.
-
-	movdqa	%xmm7, %xmm2
-
-	# xmm1 = last 16 original data bytes
-	movdqu	-16(buf, len), %xmm1
-	pshufb	BSWAP_MASK, %xmm1
-
-	# xmm2 = high order part of second chunk: xmm7 left-shifted by 'len' bytes.
-	lea	.Lbyteshift_table+16(%rip), %rax
-	sub	len, %rax
-	movdqu	(%rax), %xmm0
-	pshufb	%xmm0, %xmm2
-
-	# xmm7 = first chunk: xmm7 right-shifted by '16-len' bytes.
-	pxor	.Lmask1(%rip), %xmm0
-	pshufb	%xmm0, %xmm7
-
-	# xmm1 = second chunk: 'len' bytes from xmm1 (low-order bytes),
-	# then '16-len' bytes from xmm2 (high-order bytes).
-	pblendvb	%xmm2, %xmm1	#xmm0 is implicit
-
-	# Fold the first chunk into the second chunk, storing the result in xmm7.
-	movdqa	%xmm7, %xmm8
-	pclmulqdq	$0x11, FOLD_CONSTS, %xmm7
-	pclmulqdq	$0x00, FOLD_CONSTS, %xmm8
-	pxor	%xmm8, %xmm7
-	pxor	%xmm1, %xmm7
-
-.Lreduce_final_16_bytes:
-	# Reduce the 128-bit value M(x), stored in xmm7, to the final 16-bit CRC
-
-	# Load 'x^48 * (x^48 mod G(x))' and 'x^48 * (x^80 mod G(x))'.
-	movdqa	.Lfinal_fold_consts(%rip), FOLD_CONSTS
-
-	# Fold the high 64 bits into the low 64 bits, while also multiplying by
-	# x^64.  This produces a 128-bit value congruent to x^64 * M(x) and
-	# whose low 48 bits are 0.
-	movdqa	%xmm7, %xmm0
-	pclmulqdq	$0x11, FOLD_CONSTS, %xmm7 # high bits * x^48 * (x^80 mod G(x))
-	pslldq	$8, %xmm0
-	pxor	%xmm0, %xmm7			  # + low bits * x^64
-
-	# Fold the high 32 bits into the low 96 bits.  This produces a 96-bit
-	# value congruent to x^64 * M(x) and whose low 48 bits are 0.
-	movdqa	%xmm7, %xmm0
-	pand	.Lmask2(%rip), %xmm0		  # zero high 32 bits
-	psrldq	$12, %xmm7			  # extract high 32 bits
-	pclmulqdq	$0x00, FOLD_CONSTS, %xmm7 # high 32 bits * x^48 * (x^48 mod G(x))
-	pxor	%xmm0, %xmm7			  # + low bits
-
-	# Load G(x) and floor(x^48 / G(x)).
-	movdqa	.Lbarrett_reduction_consts(%rip), FOLD_CONSTS
-
-	# Use Barrett reduction to compute the final CRC value.
-	movdqa	%xmm7, %xmm0
-	pclmulqdq	$0x11, FOLD_CONSTS, %xmm7 # high 32 bits * floor(x^48 / G(x))
-	psrlq	$32, %xmm7			  # /= x^32
-	pclmulqdq	$0x00, FOLD_CONSTS, %xmm7 # *= G(x)
-	psrlq	$48, %xmm0
-	pxor	%xmm7, %xmm0		     # + low 16 nonzero bits
-	# Final CRC value (x^16 * M(x)) mod G(x) is in low 16 bits of xmm0.
-
-	pextrw	$0, %xmm0, %eax
-	RET
-
-.align 16
-.Lless_than_256_bytes:
-	# Checksumming a buffer of length 16...255 bytes
-
-	# Load the first 16 data bytes.
-	movdqu	(buf), %xmm7
-	pshufb	BSWAP_MASK, %xmm7
-	add	$16, buf
-
-	# XOR the first 16 data *bits* with the initial CRC value.
-	pxor	%xmm0, %xmm0
-	pinsrw	$7, init_crc, %xmm0
-	pxor	%xmm0, %xmm7
-
-	movdqa	.Lfold_across_16_bytes_consts(%rip), FOLD_CONSTS
-	cmp	$16, len
-	je	.Lreduce_final_16_bytes		# len == 16
-	sub	$32, len
-	jge	.Lfold_16_bytes_loop		# 32 <= len <= 255
-	add	$16, len
-	jmp	.Lhandle_partial_segment	# 17 <= len <= 31
-SYM_FUNC_END(crc_t10dif_pcl)
-
-.section	.rodata, "a", @progbits
-.align 16
-
-# Fold constants precomputed from the polynomial 0x18bb7
-# G(x) = x^16 + x^15 + x^11 + x^9 + x^8 + x^7 + x^5 + x^4 + x^2 + x^1 + x^0
-.Lfold_across_128_bytes_consts:
-	.quad		0x0000000000006123	# x^(8*128)	mod G(x)
-	.quad		0x0000000000002295	# x^(8*128+64)	mod G(x)
-.Lfold_across_64_bytes_consts:
-	.quad		0x0000000000001069	# x^(4*128)	mod G(x)
-	.quad		0x000000000000dd31	# x^(4*128+64)	mod G(x)
-.Lfold_across_32_bytes_consts:
-	.quad		0x000000000000857d	# x^(2*128)	mod G(x)
-	.quad		0x0000000000007acc	# x^(2*128+64)	mod G(x)
-.Lfold_across_16_bytes_consts:
-	.quad		0x000000000000a010	# x^(1*128)	mod G(x)
-	.quad		0x0000000000001faa	# x^(1*128+64)	mod G(x)
-.Lfinal_fold_consts:
-	.quad		0x1368000000000000	# x^48 * (x^48 mod G(x))
-	.quad		0x2d56000000000000	# x^48 * (x^80 mod G(x))
-.Lbarrett_reduction_consts:
-	.quad		0x0000000000018bb7	# G(x)
-	.quad		0x00000001f65a57f8	# floor(x^48 / G(x))
-
-.section	.rodata.cst16.mask1, "aM", @progbits, 16
-.align 16
-.Lmask1:
-	.octa	0x80808080808080808080808080808080
-
-.section	.rodata.cst16.mask2, "aM", @progbits, 16
-.align 16
-.Lmask2:
-	.octa	0x00000000FFFFFFFFFFFFFFFFFFFFFFFF
-
-.section	.rodata.cst16.bswap_mask, "aM", @progbits, 16
-.align 16
-.Lbswap_mask:
-	.octa	0x000102030405060708090A0B0C0D0E0F
-
-.section	.rodata.cst32.byteshift_table, "aM", @progbits, 32
-.align 16
-# For 1 <= len <= 15, the 16-byte vector beginning at &byteshift_table[16 - len]
-# is the index vector to shift left by 'len' bytes, and is also {0x80, ...,
-# 0x80} XOR the index vector to shift right by '16 - len' bytes.
-.Lbyteshift_table:
-	.byte		 0x0, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87
-	.byte		0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f
-	.byte		 0x0,  0x1,  0x2,  0x3,  0x4,  0x5,  0x6,  0x7
-	.byte		 0x8,  0x9,  0xa,  0xb,  0xc,  0xd,  0xe , 0x0