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powerpc/crypto: rework Kconfig

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This patch creates a new submenu for the NX cryptographic
hardware accelerator and breaks the NX options into their own
Kconfig file under drivers/crypto/nx/Kconfig.

This will permit additional NX functionality to be easily
and more cleanly added in the future without touching
drivers/crypto/Makefile|Kconfig.

Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Seth Jennings 2012-07-19 09:42:38 -05:00 committed by Herbert Xu
parent 61bb86bba1
commit 322cacce0a
5 changed files with 29 additions and 16 deletions
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3
arch/powerpc/configs/ppc64_defconfig
View file

@ -487,7 +487,8 @@ CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_LZO=m
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_HW=y
CONFIG_CRYPTO_DEV_NX=m
CONFIG_CRYPTO_DEV_NX=y
CONFIG_CRYPTO_DEV_NX_ENCRYPT=m
CONFIG_VIRTUALIZATION=y
CONFIG_KVM_BOOK3S_64=m
CONFIG_KVM_BOOK3S_64_HV=y

3
arch/powerpc/configs/pseries_defconfig
View file

@ -369,7 +369,8 @@ CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_LZO=m
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_HW=y
CONFIG_CRYPTO_DEV_NX=m
CONFIG_CRYPTO_DEV_NX=y
CONFIG_CRYPTO_DEV_NX_ENCRYPT=m
CONFIG_VIRTUALIZATION=y
CONFIG_KVM_BOOK3S_64=m
CONFIG_KVM_BOOK3S_64_HV=y

20
drivers/crypto/Kconfig
View file

@ -298,21 +298,15 @@ config CRYPTO_DEV_TEGRA_AES
will be called tegra-aes.
config CRYPTO_DEV_NX
tristate "Support for Power7+ in-Nest cryptographic acceleration"
bool "Support for IBM Power7+ in-Nest cryptographic acceleration"
depends on PPC64 && IBMVIO
select CRYPTO_AES
select CRYPTO_CBC
select CRYPTO_ECB
select CRYPTO_CCM
select CRYPTO_GCM
select CRYPTO_AUTHENC
select CRYPTO_XCBC
select CRYPTO_SHA256
select CRYPTO_SHA512
default n
help
Support for Power7+ in-Nest cryptographic acceleration. This
module supports acceleration for AES and SHA2 algorithms. If you
choose 'M' here, this module will be called nx_crypto.
Support for Power7+ in-Nest cryptographic acceleration.
if CRYPTO_DEV_NX
source "drivers/crypto/nx/Kconfig"
endif
config CRYPTO_DEV_UX500
tristate "Driver for ST-Ericsson UX500 crypto hardware acceleration"

17
drivers/crypto/nx/Kconfig Normal file
View file

@ -0,0 +1,17 @@
config CRYPTO_DEV_NX_ENCRYPT
tristate "Encryption acceleration support"
depends on PPC64 && IBMVIO
default y
select CRYPTO_AES
select CRYPTO_CBC
select CRYPTO_ECB
select CRYPTO_CCM
select CRYPTO_GCM
select CRYPTO_AUTHENC
select CRYPTO_XCBC
select CRYPTO_SHA256
select CRYPTO_SHA512
help
Support for Power7+ in-Nest encryption acceleration. This
module supports acceleration for AES and SHA2 algorithms. If you
choose 'M' here, this module will be called nx_crypto.

2
drivers/crypto/nx/Makefile
View file

@ -1,4 +1,4 @@
obj-$(CONFIG_CRYPTO_DEV_NX) += nx-crypto.o
obj-$(CONFIG_CRYPTO_DEV_NX_ENCRYPT) += nx-crypto.o
nx-crypto-objs := nx.o \
nx_debugfs.o \
nx-aes-cbc.o \