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crypto: x86/sha - Add build support for Intel SHA Extensions optimized SHA1 and SHA256 

This patch provides the configuration and build support to
include and build the optimized SHA1 and SHA256 update transforms
for the kernel's crypto library.

Originally-by: Chandramouli Narayanan <mouli_7982@yahoo.com>
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
tim 2015-09-10 15:27:26 -07:00 committed by Herbert Xu
parent 95fca7df0b
commit e38b6b7fcf
3 changed files with 18 additions and 6 deletions
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6
arch/x86/Makefile
View File

@ -165,9 +165,11 @@ asinstr += $(call as-instr,pshufb %xmm0$(comma)%xmm0,-DCONFIG_AS_SSSE3=1)
asinstr += $(call as-instr,crc32l %eax$(comma)%eax,-DCONFIG_AS_CRC32=1) asinstr += $(call as-instr,crc32l %eax$(comma)%eax,-DCONFIG_AS_CRC32=1)
avx_instr := $(call as-instr,vxorps %ymm0$(comma)%ymm1$(comma)%ymm2,-DCONFIG_AS_AVX=1) avx_instr := $(call as-instr,vxorps %ymm0$(comma)%ymm1$(comma)%ymm2,-DCONFIG_AS_AVX=1)
avx2_instr :=$(call as-instr,vpbroadcastb %xmm0$(comma)%ymm1,-DCONFIG_AS_AVX2=1) avx2_instr :=$(call as-instr,vpbroadcastb %xmm0$(comma)%ymm1,-DCONFIG_AS_AVX2=1)
sha1_ni_instr :=$(call as-instr,sha1msg1 %xmm0$(comma)%xmm1,-DCONFIG_AS_SHA1_NI=1)
sha256_ni_instr :=$(call as-instr,sha256msg1 %xmm0$(comma)%xmm1,-DCONFIG_AS_SHA256_NI=1)
KBUILD_AFLAGS += $(asinstr) $(avx_instr) $(avx2_instr) KBUILD_AFLAGS += $(asinstr) $(avx_instr) $(avx2_instr) $(sha1_ni_instr) $(sha256_ni_instr)
KBUILD_CFLAGS += $(asinstr) $(avx_instr) $(avx2_instr) KBUILD_CFLAGS += $(asinstr) $(avx_instr) $(avx2_instr) $(sha1_ni_instr) $(sha256_ni_instr)
LDFLAGS := -m elf_$(UTS_MACHINE) LDFLAGS := -m elf_$(UTS_MACHINE)

8
arch/x86/crypto/Makefile
View File

@ -5,6 +5,8 @@
avx_supported := $(call as-instr,vpxor %xmm0$(comma)%xmm0$(comma)%xmm0,yes,no) avx_supported := $(call as-instr,vpxor %xmm0$(comma)%xmm0$(comma)%xmm0,yes,no)
avx2_supported := $(call as-instr,vpgatherdd %ymm0$(comma)(%eax$(comma)%ymm1\ avx2_supported := $(call as-instr,vpgatherdd %ymm0$(comma)(%eax$(comma)%ymm1\
$(comma)4)$(comma)%ymm2,yes,no) $(comma)4)$(comma)%ymm2,yes,no)
sha1_ni_supported :=$(call as-instr,sha1msg1 %xmm0$(comma)%xmm1,yes,no)
sha256_ni_supported :=$(call as-instr,sha256msg1 %xmm0$(comma)%xmm1,yes,no)
obj-$(CONFIG_CRYPTO_GLUE_HELPER_X86) += glue_helper.o obj-$(CONFIG_CRYPTO_GLUE_HELPER_X86) += glue_helper.o
@ -91,9 +93,15 @@ ifeq ($(avx2_supported),yes)
sha1-ssse3-y += sha1_avx2_x86_64_asm.o sha1-ssse3-y += sha1_avx2_x86_64_asm.o
poly1305-x86_64-y += poly1305-avx2-x86_64.o poly1305-x86_64-y += poly1305-avx2-x86_64.o
endif endif
ifeq ($(sha1_ni_supported),yes)
sha1-ssse3-y += sha1_ni_asm.o
endif
crc32c-intel-y := crc32c-intel_glue.o crc32c-intel-y := crc32c-intel_glue.o
crc32c-intel-$(CONFIG_64BIT) += crc32c-pcl-intel-asm_64.o crc32c-intel-$(CONFIG_64BIT) += crc32c-pcl-intel-asm_64.o
crc32-pclmul-y := crc32-pclmul_asm.o crc32-pclmul_glue.o crc32-pclmul-y := crc32-pclmul_asm.o crc32-pclmul_glue.o
sha256-ssse3-y := sha256-ssse3-asm.o sha256-avx-asm.o sha256-avx2-asm.o sha256_ssse3_glue.o sha256-ssse3-y := sha256-ssse3-asm.o sha256-avx-asm.o sha256-avx2-asm.o sha256_ssse3_glue.o
ifeq ($(sha256_ni_supported),yes)
sha256-ssse3-y += sha256_ni_asm.o
endif
sha512-ssse3-y := sha512-ssse3-asm.o sha512-avx-asm.o sha512-avx2-asm.o sha512_ssse3_glue.o sha512-ssse3-y := sha512-ssse3-asm.o sha512-avx-asm.o sha512-avx2-asm.o sha512_ssse3_glue.o
crct10dif-pclmul-y := crct10dif-pcl-asm_64.o crct10dif-pclmul_glue.o crct10dif-pclmul-y := crct10dif-pcl-asm_64.o crct10dif-pclmul_glue.o

10
crypto/Kconfig
View File

@ -597,17 +597,18 @@ config CRYPTO_SHA1
SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
config CRYPTO_SHA1_SSSE3 config CRYPTO_SHA1_SSSE3
tristate "SHA1 digest algorithm (SSSE3/AVX/AVX2)" tristate "SHA1 digest algorithm (SSSE3/AVX/AVX2/SHA-NI)"
depends on X86 && 64BIT depends on X86 && 64BIT
select CRYPTO_SHA1 select CRYPTO_SHA1
select CRYPTO_HASH select CRYPTO_HASH
help help
SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
using Supplemental SSE3 (SSSE3) instructions or Advanced Vector using Supplemental SSE3 (SSSE3) instructions or Advanced Vector
Extensions (AVX/AVX2), when available. Extensions (AVX/AVX2) or SHA-NI(SHA Extensions New Instructions),
when available.
config CRYPTO_SHA256_SSSE3 config CRYPTO_SHA256_SSSE3
tristate "SHA256 digest algorithm (SSSE3/AVX/AVX2)" tristate "SHA256 digest algorithm (SSSE3/AVX/AVX2/SHA-NI)"
depends on X86 && 64BIT depends on X86 && 64BIT
select CRYPTO_SHA256 select CRYPTO_SHA256
select CRYPTO_HASH select CRYPTO_HASH
@ -615,7 +616,8 @@ config CRYPTO_SHA256_SSSE3
SHA-256 secure hash standard (DFIPS 180-2) implemented SHA-256 secure hash standard (DFIPS 180-2) implemented
using Supplemental SSE3 (SSSE3) instructions, or Advanced Vector using Supplemental SSE3 (SSSE3) instructions, or Advanced Vector
Extensions version 1 (AVX1), or Advanced Vector Extensions Extensions version 1 (AVX1), or Advanced Vector Extensions
version 2 (AVX2) instructions, when available. version 2 (AVX2) instructions, or SHA-NI (SHA Extensions New
Instructions) when available.
config CRYPTO_SHA512_SSSE3 config CRYPTO_SHA512_SSSE3
tristate "SHA512 digest algorithm (SSSE3/AVX/AVX2)" tristate "SHA512 digest algorithm (SSSE3/AVX/AVX2)"