[PATCH v2 03/10] crypto: Kconfig - move s390 entries to a submenu

Robert Elliott
2022-08-17T23:21:29Z

Move CPU-specific crypto/Kconfig entries to arch/xxx/crypto/Kconfig
and create a submenu for them under the Crypto API menu.

Suggested-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Robert Elliott <elliott@hpe.com>
---
arch/s390/crypto/Kconfig | 120 +++++++++++++++++++++++++++++++++++++++
crypto/Kconfig | 118 +-------------------------------------
2 files changed, 123 insertions(+), 115 deletions(-)
create mode 100644 arch/s390/crypto/Kconfig

diff --git a/arch/s390/crypto/Kconfig b/arch/s390/crypto/Kconfig
new file mode 100644
index 000000000000..ef0651d71e9d
--- /dev/null
+++ b/arch/s390/crypto/Kconfig
@@ -0,0 +1,120 @@
+# SPDX-License-Identifier: GPL-2.0
+
+menu "Accelerated Cryptographic Algorithms for CPU (s390)"
+
+config CRYPTO_CRC32_S390
+ tristate "CRC-32 algorithms"
+ depends on S390
+ select CRYPTO_HASH
+ select CRC32
+ help
+ Select this option if you want to use hardware accelerated
+ implementations of CRC algorithms. With this option, you
+ can optimize the computation of CRC-32 (IEEE 802.3 Ethernet)
+ and CRC-32C (Castagnoli).
+
+ It is available with IBM z13 or later.
+
+config CRYPTO_SHA512_S390
+ tristate "SHA384 and SHA512 digest algorithm"
+ depends on S390
+ select CRYPTO_HASH
+ help
+ This is the s390 hardware accelerated implementation of the
+ SHA512 secure hash standard.
+
+ It is available as of z10.
+
+config CRYPTO_SHA1_S390
+ tristate "SHA1 digest algorithm"
+ depends on S390
+ select CRYPTO_HASH
+ help
+ This is the s390 hardware accelerated implementation of the
+ SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
+
+ It is available as of z990.
+
+config CRYPTO_SHA256_S390
+ tristate "SHA256 digest algorithm"
+ depends on S390
+ select CRYPTO_HASH
+ help
+ This is the s390 hardware accelerated implementation of the
+ SHA256 secure hash standard (DFIPS 180-2).
+
+ It is available as of z9.
+
+config CRYPTO_SHA3_256_S390
+ tristate "SHA3_224 and SHA3_256 digest algorithm"
+ depends on S390
+ select CRYPTO_HASH
+ help
+ This is the s390 hardware accelerated implementation of the
+ SHA3_256 secure hash standard.
+
+ It is available as of z14.
+
+config CRYPTO_SHA3_512_S390
+ tristate "SHA3_384 and SHA3_512 digest algorithm"
+ depends on S390
+ select CRYPTO_HASH
+ help
+ This is the s390 hardware accelerated implementation of the
+ SHA3_512 secure hash standard.
+
+ It is available as of z14.
+
+config CRYPTO_GHASH_S390
+ tristate "GHASH hash function"
+ depends on S390
+ select CRYPTO_HASH
+ help
+ This is the s390 hardware accelerated implementation of GHASH,
+ the hash function used in GCM (Galois/Counter mode).
+
+ It is available as of z196.
+
+config CRYPTO_AES_S390
+ tristate "AES cipher algorithms"
+ depends on S390
+ select CRYPTO_ALGAPI
+ select CRYPTO_SKCIPHER
+ help
+ This is the s390 hardware accelerated implementation of the
+ AES cipher algorithms (FIPS-197).
+
+ As of z9 the ECB and CBC modes are hardware accelerated
+ for 128 bit keys.
+ As of z10 the ECB and CBC modes are hardware accelerated
+ for all AES key sizes.
+ As of z196 the CTR mode is hardware accelerated for all AES
+ key sizes and XTS mode is hardware accelerated for 256 and
+ 512 bit keys.
+
+config CRYPTO_DES_S390
+ tristate "DES and Triple DES cipher algorithms"
+ depends on S390
+ select CRYPTO_ALGAPI
+ select CRYPTO_SKCIPHER
+ select CRYPTO_LIB_DES
+ help
+ This is the s390 hardware accelerated implementation of the
+ DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
+
+ As of z990 the ECB and CBC mode are hardware accelerated.
+ As of z196 the CTR mode is hardware accelerated.
+
+config CRYPTO_CHACHA_S390
+ tristate "ChaCha20 stream cipher"
+ depends on S390
+ select CRYPTO_SKCIPHER
+ select CRYPTO_LIB_CHACHA_GENERIC
+ select CRYPTO_ARCH_HAVE_LIB_CHACHA
+ help
+ This is the s390 SIMD implementation of the ChaCha20 stream
+ cipher (RFC 7539).
+
+ It is available as of z13.
+
+endmenu
diff --git a/crypto/Kconfig b/crypto/Kconfig
index efb73dae2e52..5678f7f18b76 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -647,19 +647,6 @@ menuconfig CRYPTO
which will enable any routine to use the CRC-32-IEEE 802.3 checksum
and gain better performance as compared with the table implementation.

-config CRYPTO_CRC32_S390
- tristate "CRC-32 algorithms"
- depends on S390
- select CRYPTO_HASH
- select CRC32
- help
- Select this option if you want to use hardware accelerated
- implementations of CRC algorithms. With this option, you
- can optimize the computation of CRC-32 (IEEE 802.3 Ethernet)
- and CRC-32C (Castagnoli).
-
- It is available with IBM z13 or later.
-
config CRYPTO_XXHASH
tristate "xxHash hash algorithm"
select CRYPTO_HASH
@@ -852,16 +839,6 @@ menuconfig CRYPTO
Extensions version 1 (AVX1), or Advanced Vector Extensions
version 2 (AVX2) instructions, when available.

-config CRYPTO_SHA512_S390
- tristate "SHA384 and SHA512 digest algorithm"
- depends on S390
- select CRYPTO_HASH
- help
- This is the s390 hardware accelerated implementation of the
- SHA512 secure hash standard.
-
- It is available as of z10.
-
config CRYPTO_SHA1_SPARC64
tristate "SHA1 digest algorithm (SPARC64)"
depends on SPARC64
@@ -871,16 +848,6 @@ menuconfig CRYPTO
SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
using sparc64 crypto instructions, when available.

-config CRYPTO_SHA1_S390
- tristate "SHA1 digest algorithm"
- depends on S390
- select CRYPTO_HASH
- help
- This is the s390 hardware accelerated implementation of the
- SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
-
- It is available as of z990.
-
config CRYPTO_SHA256
tristate "SHA224 and SHA256 digest algorithm"
select CRYPTO_HASH
@@ -903,16 +870,6 @@ menuconfig CRYPTO
SHA-256 secure hash standard (DFIPS 180-2) implemented
using sparc64 crypto instructions, when available.

-config CRYPTO_SHA256_S390
- tristate "SHA256 digest algorithm"
- depends on S390
- select CRYPTO_HASH
- help
- This is the s390 hardware accelerated implementation of the
- SHA256 secure hash standard (DFIPS 180-2).
-
- It is available as of z9.
-
config CRYPTO_SHA512
tristate "SHA384 and SHA512 digest algorithms"
select CRYPTO_HASH
@@ -944,26 +901,6 @@ menuconfig CRYPTO
References:
http://keccak.noekeon.org/

-config CRYPTO_SHA3_256_S390
- tristate "SHA3_224 and SHA3_256 digest algorithm"
- depends on S390
- select CRYPTO_HASH
- help
- This is the s390 hardware accelerated implementation of the
- SHA3_256 secure hash standard.
-
- It is available as of z14.
-
-config CRYPTO_SHA3_512_S390
- tristate "SHA3_384 and SHA3_512 digest algorithm"
- depends on S390
- select CRYPTO_HASH
- help
- This is the s390 hardware accelerated implementation of the
- SHA3_512 secure hash standard.
-
- It is available as of z14.
-
config CRYPTO_SM3
tristate

@@ -1024,16 +961,6 @@ menuconfig CRYPTO
This is the x86_64 CLMUL-NI accelerated implementation of
GHASH, the hash function used in GCM (Galois/Counter mode).

-config CRYPTO_GHASH_S390
- tristate "GHASH hash function"
- depends on S390
- select CRYPTO_HASH
- help
- This is the s390 hardware accelerated implementation of GHASH,
- the hash function used in GCM (Galois/Counter mode).
-
- It is available as of z196.
-
comment "Ciphers"

config CRYPTO_AES
@@ -1135,23 +1062,6 @@ menuconfig CRYPTO
for some popular block cipher mode is supported too, including
ECB and CBC.

-config CRYPTO_AES_S390
- tristate "AES cipher algorithms"
- depends on S390
- select CRYPTO_ALGAPI
- select CRYPTO_SKCIPHER
- help
- This is the s390 hardware accelerated implementation of the
- AES cipher algorithms (FIPS-197).
-
- As of z9 the ECB and CBC modes are hardware accelerated
- for 128 bit keys.
- As of z10 the ECB and CBC modes are hardware accelerated
- for all AES key sizes.
- As of z196 the CTR mode is hardware accelerated for all AES
- key sizes and XTS mode is hardware accelerated for 256 and
- 512 bit keys.
-
config CRYPTO_ANUBIS
tristate "Anubis cipher algorithm"
depends on CRYPTO_USER_API_ENABLE_OBSOLETE
@@ -1382,19 +1292,6 @@ menuconfig CRYPTO
algorithm are provided; regular processing one input block and
one that processes three blocks parallel.

-config CRYPTO_DES_S390
- tristate "DES and Triple DES cipher algorithms"
- depends on S390
- select CRYPTO_ALGAPI
- select CRYPTO_SKCIPHER
- select CRYPTO_LIB_DES
- help
- This is the s390 hardware accelerated implementation of the
- DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
-
- As of z990 the ECB and CBC mode are hardware accelerated.
- As of z196 the CTR mode is hardware accelerated.
-
config CRYPTO_FCRYPT
tristate "FCrypt cipher algorithm"
select CRYPTO_ALGAPI
@@ -1448,18 +1345,6 @@ menuconfig CRYPTO
SSSE3, AVX2, and AVX-512VL optimized implementations of the ChaCha20,
XChaCha20, and XChaCha12 stream ciphers.

-config CRYPTO_CHACHA_S390
- tristate "ChaCha20 stream cipher"
- depends on S390
- select CRYPTO_SKCIPHER
- select CRYPTO_LIB_CHACHA_GENERIC
- select CRYPTO_ARCH_HAVE_LIB_CHACHA
- help
- This is the s390 SIMD implementation of the ChaCha20 stream
- cipher (RFC 7539).
-
- It is available as of z13.
-
config CRYPTO_SEED
tristate "SEED cipher algorithm"
depends on CRYPTO_USER_API_ENABLE_OBSOLETE
@@ -1950,6 +1835,9 @@ menuconfig CRYPTO_DRBG_MENU
if PPC
source "arch/powerpc/crypto/Kconfig"
endif
+if S390
+source "arch/s390/crypto/Kconfig"
+endif

source "drivers/crypto/Kconfig"
source "crypto/asymmetric_keys/Kconfig"
--
2.37.1