crypto: powerpc - Add chacha20/poly1305-p10 to Kconfig and Makefile

Defined CRYPTO_CHACHA20_P10 and CRYPTO POLY1305_P10 in Kconfig to
support optimized implementation for Power10 and later CPU.

Added new module driver chacha-p10-crypto and poly1305-p10-crypto.

Signed-off-by: Danny Tsen <dtsen@linux.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/arch/powerpc/crypto/Kconfig b/arch/powerpc/crypto/Kconfig
index ad18725..f25024a 100644 (file)
--- a/arch/powerpc/crypto/Kconfig
+++ b/arch/powerpc/crypto/Kconfig
@@ -111,4 +111,30 @@ config CRYPTO_AES_GCM_P10
          Support for cryptographic acceleration instructions on Power10 or
          later CPU. This module supports stitched acceleration for AES/GCM.
 
+config CRYPTO_CHACHA20_P10
+       tristate "Ciphers: ChaCha20, XChacha20, XChacha12 (P10 or later)"
+       depends on PPC64 && CPU_LITTLE_ENDIAN
+       select CRYPTO_SKCIPHER
+       select CRYPTO_LIB_CHACHA_GENERIC
+       select CRYPTO_ARCH_HAVE_LIB_CHACHA
+       help
+         Length-preserving ciphers: ChaCha20, XChaCha20, and XChaCha12
+         stream cipher algorithms
+
+         Architecture: PowerPC64
+         - Power10 or later
+         - Little-endian
+
+config CRYPTO_POLY1305_P10
+       tristate "Hash functions: Poly1305 (P10 or later)"
+       depends on PPC64 && CPU_LITTLE_ENDIAN
+       select CRYPTO_HASH
+       select CRYPTO_LIB_POLY1305_GENERIC
+       help
+         Poly1305 authenticator algorithm (RFC7539)
+
+         Architecture: PowerPC64
+         - Power10 or later
+         - Little-endian
+
 endmenu

diff --git a/arch/powerpc/crypto/Makefile b/arch/powerpc/crypto/Makefile
index 7b4f516..ebdac1b 100644 (file)
--- a/arch/powerpc/crypto/Makefile
+++ b/arch/powerpc/crypto/Makefile
@@ -14,6 +14,8 @@ obj-$(CONFIG_CRYPTO_CRC32C_VPMSUM) += crc32c-vpmsum.o
 obj-$(CONFIG_CRYPTO_CRCT10DIF_VPMSUM) += crct10dif-vpmsum.o
 obj-$(CONFIG_CRYPTO_VPMSUM_TESTER) += crc-vpmsum_test.o
 obj-$(CONFIG_CRYPTO_AES_GCM_P10) += aes-gcm-p10-crypto.o
+obj-$(CONFIG_CRYPTO_CHACHA20_P10) += chacha-p10-crypto.o
+obj-$(CONFIG_CRYPTO_POLY1305_P10) += poly1305-p10-crypto.o
 
 aes-ppc-spe-y := aes-spe-core.o aes-spe-keys.o aes-tab-4k.o aes-spe-modes.o aes-spe-glue.o
 md5-ppc-y := md5-asm.o md5-glue.o
@@ -23,6 +25,8 @@ sha256-ppc-spe-y := sha256-spe-asm.o sha256-spe-glue.o
 crc32c-vpmsum-y := crc32c-vpmsum_asm.o crc32c-vpmsum_glue.o
 crct10dif-vpmsum-y := crct10dif-vpmsum_asm.o crct10dif-vpmsum_glue.o
 aes-gcm-p10-crypto-y := aes-gcm-p10-glue.o aes-gcm-p10.o ghashp10-ppc.o aesp10-ppc.o
+chacha-p10-crypto-y := chacha-p10-glue.o chacha-p10le-8x.o
+poly1305-p10-crypto-y := poly1305-p10-glue.o poly1305-p10le_64.o
 
 quiet_cmd_perl = PERL    $@
       cmd_perl = $(PERL) $< $(if $(CONFIG_CPU_LITTLE_ENDIAN), linux-ppc64le, linux-ppc64) > $@