crypto: Kconfig - move s390 entries to a submenu

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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

arch/s390/crypto/Kconfig

+# 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

crypto/Kconfig

@@ -688,19 +688,6 @@ config CRYPTO_CRC32_PCLMUL
 	  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
@@ -893,16 +880,6 @@ config CRYPTO_SHA512_SSSE3
 	  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
@@ -912,16 +889,6 @@ config CRYPTO_SHA1_SPARC64
 	  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
@@ -944,16 +911,6 @@ config CRYPTO_SHA256_SPARC64
 	  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
@@ -985,26 +942,6 @@ config CRYPTO_SHA3
 	  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
 
@@ -1065,16 +1002,6 @@ config CRYPTO_GHASH_CLMUL_NI_INTEL
 	  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
@@ -1176,23 +1103,6 @@ config CRYPTO_AES_SPARC64
 	  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
@@ -1423,19 +1333,6 @@ config CRYPTO_DES3_EDE_X86_64
 	  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
@@ -1489,18 +1386,6 @@ config CRYPTO_CHACHA20_X86_64
 	  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
@@ -2006,6 +1891,9 @@ endif
 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"