Defined CRYPTO_AES_GCM_P10 in Kconfig to support AES/GCM stitched implementation for Power10 or later CPU. Added a new module driver aes-gcm-p10-crypto. Signed-off-by: Danny Tsen <dtsen@xxxxxxxxxxxxx> --- arch/powerpc/crypto/Kconfig | 17 +++++++++++++++++ arch/powerpc/crypto/Makefile | 13 +++++++++++++ 2 files changed, 30 insertions(+) diff --git a/arch/powerpc/crypto/Kconfig b/arch/powerpc/crypto/Kconfig index c1b964447401..1f8f02b494e1 100644 --- a/arch/powerpc/crypto/Kconfig +++ b/arch/powerpc/crypto/Kconfig @@ -94,4 +94,21 @@ config CRYPTO_AES_PPC_SPE architecture specific assembler implementations that work on 1KB tables or 256 bytes S-boxes. +config CRYPTO_AES_GCM_P10 + tristate "Stitched AES/GCM acceleration support on P10 or later CPU (PPC)" + depends on PPC64 && POWER10_CPU && CPU_LITTLE_ENDIAN + select CRYPTO_LIB_AES + select CRYPTO_ALGAPI + select CRYPTO_AEAD + default m + help + AEAD cipher: AES cipher algorithms (FIPS-197) + GCM (Galois/Counter Mode) authenticated encryption mode (NIST SP800-38D) + Architecture: powerpc64 using: + - little-endian + - Power10 or later features + + Support for cryptographic acceleration instructions on Power10 or + later CPU. This module supports stitched acceleration for AES/GCM. + endmenu diff --git a/arch/powerpc/crypto/Makefile b/arch/powerpc/crypto/Makefile index 4808d97fede5..05c7486f42c5 100644 --- a/arch/powerpc/crypto/Makefile +++ b/arch/powerpc/crypto/Makefile @@ -13,6 +13,7 @@ obj-$(CONFIG_CRYPTO_SHA256_PPC_SPE) += sha256-ppc-spe.o obj-$(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 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 @@ -21,3 +22,15 @@ sha1-ppc-spe-y := sha1-spe-asm.o sha1-spe-glue.o 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 ghashp8-ppc.o aesp8-ppc.o + +quiet_cmd_perl = PERL $@ + cmd_perl = $(PERL) $< $(if $(CONFIG_CPU_LITTLE_ENDIAN), linux-ppc64le, linux-ppc64) > $@ + +targets += aesp8-ppc.S ghashp8-ppc.S + +$(obj)/aesp8-ppc.S $(obj)/ghashp8-ppc.S: $(obj)/%.S: $(src)/%.pl FORCE + $(call if_changed,perl) + +OBJECT_FILES_NON_STANDARD_aesp8-ppc.o := y +OBJECT_FILES_NON_STANDARD_ghashp8-ppc.o := y -- 2.31.1
