Commit 45a4672b authored by Danny Tsen's avatar Danny Tsen Committed by Herbert Xu
Browse files

crypto: p10-aes-gcm - Update Kconfig and Makefile 



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: default avatarDanny Tsen <dtsen@linux.ibm.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 08b50d84

arch/powerpc/crypto/Kconfig

+17 −0
Original line number Diff line number Diff line
@@ -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

arch/powerpc/crypto/Makefile

+13 −0
Original line number Diff line number Diff line
@@ -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