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: Danny Tsen <dtsen@linux.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Danny Tsen 2023-02-20 22:40:21 -05:00 committed by Herbert Xu
parent 08b50d847d
commit 45a4672b9a
2 changed files with 30 additions and 0 deletions

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@ -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

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@ -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