[PATCH 2/3] crypto: sparc - Remove des and des3_ede code

[Eric Biggers <ebiggers@kernel.org>]

Since DES and Triple DES are obsolete, there is very little point in
maintining architecture-optimized code for them.  Remove it.

Signed-off-by: Eric Biggers <ebiggers@kernel.org>
---
 arch/sparc/crypto/Kconfig    |  14 -
 arch/sparc/crypto/Makefile   |   2 -
 arch/sparc/crypto/des_asm.S  | 419 ------------------------------
 arch/sparc/crypto/des_glue.c | 482 -----------------------------------
 4 files changed, 917 deletions(-)
 delete mode 100644 arch/sparc/crypto/des_asm.S
 delete mode 100644 arch/sparc/crypto/des_glue.c

diff --git a/arch/sparc/crypto/Kconfig b/arch/sparc/crypto/Kconfig
index c1932ce46c7f..8db3f6eea5dc 100644
--- a/arch/sparc/crypto/Kconfig
+++ b/arch/sparc/crypto/Kconfig
@@ -1,23 +1,9 @@
 # SPDX-License-Identifier: GPL-2.0
 
 menu "Accelerated Cryptographic Algorithms for CPU (sparc64)"
 
-config CRYPTO_DES_SPARC64
-	tristate "Ciphers: DES and Triple DES EDE, modes: ECB/CBC"
-	depends on SPARC64
-	select CRYPTO_ALGAPI
-	select CRYPTO_LIB_DES
-	select CRYPTO_SKCIPHER
-	help
-	  Block cipher: DES (FIPS 46-2) cipher algorithm
-	  Block cipher: Triple DES EDE (FIPS 46-3) cipher algorithm
-	  Length-preserving ciphers: DES with ECB and CBC modes
-	  Length-preserving ciphers: Tripe DES EDE with ECB and CBC modes
-
-	  Architecture: sparc64
-
 config CRYPTO_AES_SPARC64
 	tristate "Ciphers: AES, modes: ECB, CBC, CTR"
 	depends on SPARC64
 	select CRYPTO_LIB_AES
 	select CRYPTO_SKCIPHER
diff --git a/arch/sparc/crypto/Makefile b/arch/sparc/crypto/Makefile
index cdf9f4b3efbb..ab4a7765babf 100644
--- a/arch/sparc/crypto/Makefile
+++ b/arch/sparc/crypto/Makefile
@@ -2,11 +2,9 @@
 #
 # Arch-specific CryptoAPI modules.
 #
 
 obj-$(CONFIG_CRYPTO_AES_SPARC64) += aes-sparc64.o
-obj-$(CONFIG_CRYPTO_DES_SPARC64) += des-sparc64.o
 obj-$(CONFIG_CRYPTO_CAMELLIA_SPARC64) += camellia-sparc64.o
 
 aes-sparc64-y := aes_glue.o
-des-sparc64-y := des_asm.o des_glue.o
 camellia-sparc64-y := camellia_asm.o camellia_glue.o
diff --git a/arch/sparc/crypto/des_asm.S b/arch/sparc/crypto/des_asm.S
deleted file mode 100644
index d534446cbef9..000000000000
--- a/arch/sparc/crypto/des_asm.S
+++ /dev/null
@@ -1,419 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#include <linux/linkage.h>
-#include <asm/opcodes.h>
-#include <asm/visasm.h>
-
-	.align	32
-ENTRY(des_sparc64_key_expand)
-	/* %o0=input_key, %o1=output_key */
-	VISEntryHalf
-	ld	[%o0 + 0x00], %f0
-	ld	[%o0 + 0x04], %f1
-	DES_KEXPAND(0, 0, 0)
-	DES_KEXPAND(0, 1, 2)
-	DES_KEXPAND(2, 3, 6)
-	DES_KEXPAND(2, 2, 4)
-	DES_KEXPAND(6, 3, 10)
-	DES_KEXPAND(6, 2, 8)
-	DES_KEXPAND(10, 3, 14)
-	DES_KEXPAND(10, 2, 12)
-	DES_KEXPAND(14, 1, 16)
-	DES_KEXPAND(16, 3, 20)
-	DES_KEXPAND(16, 2, 18)
-	DES_KEXPAND(20, 3, 24)
-	DES_KEXPAND(20, 2, 22)
-	DES_KEXPAND(24, 3, 28)
-	DES_KEXPAND(24, 2, 26)
-	DES_KEXPAND(28, 1, 30)
-	std	%f0, [%o1 + 0x00]
-	std	%f2, [%o1 + 0x08]
-	std	%f4, [%o1 + 0x10]
-	std	%f6, [%o1 + 0x18]
-	std	%f8, [%o1 + 0x20]
-	std	%f10, [%o1 + 0x28]
-	std	%f12, [%o1 + 0x30]
-	std	%f14, [%o1 + 0x38]
-	std	%f16, [%o1 + 0x40]
-	std	%f18, [%o1 + 0x48]
-	std	%f20, [%o1 + 0x50]
-	std	%f22, [%o1 + 0x58]
-	std	%f24, [%o1 + 0x60]
-	std	%f26, [%o1 + 0x68]
-	std	%f28, [%o1 + 0x70]
-	std	%f30, [%o1 + 0x78]
-	retl
-	 VISExitHalf
-ENDPROC(des_sparc64_key_expand)
-
-	.align	32
-ENTRY(des_sparc64_crypt)
-	/* %o0=key, %o1=input, %o2=output */
-	VISEntry
-	ldd	[%o1 + 0x00], %f32
-	ldd	[%o0 + 0x00], %f0
-	ldd	[%o0 + 0x08], %f2
-	ldd	[%o0 + 0x10], %f4
-	ldd	[%o0 + 0x18], %f6
-	ldd	[%o0 + 0x20], %f8
-	ldd	[%o0 + 0x28], %f10
-	ldd	[%o0 + 0x30], %f12
-	ldd	[%o0 + 0x38], %f14
-	ldd	[%o0 + 0x40], %f16
-	ldd	[%o0 + 0x48], %f18
-	ldd	[%o0 + 0x50], %f20
-	ldd	[%o0 + 0x58], %f22
-	ldd	[%o0 + 0x60], %f24
-	ldd	[%o0 + 0x68], %f26
-	ldd	[%o0 + 0x70], %f28
-	ldd	[%o0 + 0x78], %f30
-	DES_IP(32, 32)
-	DES_ROUND(0, 2, 32, 32)
-	DES_ROUND(4, 6, 32, 32)
-	DES_ROUND(8, 10, 32, 32)
-	DES_ROUND(12, 14, 32, 32)
-	DES_ROUND(16, 18, 32, 32)
-	DES_ROUND(20, 22, 32, 32)
-	DES_ROUND(24, 26, 32, 32)
-	DES_ROUND(28, 30, 32, 32)
-	DES_IIP(32, 32)
-	std	%f32, [%o2 + 0x00]
-	retl
-	 VISExit
-ENDPROC(des_sparc64_crypt)
-
-	.align	32
-ENTRY(des_sparc64_load_keys)
-	/* %o0=key */
-	VISEntry
-	ldd	[%o0 + 0x00], %f0
-	ldd	[%o0 + 0x08], %f2
-	ldd	[%o0 + 0x10], %f4
-	ldd	[%o0 + 0x18], %f6
-	ldd	[%o0 + 0x20], %f8
-	ldd	[%o0 + 0x28], %f10
-	ldd	[%o0 + 0x30], %f12
-	ldd	[%o0 + 0x38], %f14
-	ldd	[%o0 + 0x40], %f16
-	ldd	[%o0 + 0x48], %f18
-	ldd	[%o0 + 0x50], %f20
-	ldd	[%o0 + 0x58], %f22
-	ldd	[%o0 + 0x60], %f24
-	ldd	[%o0 + 0x68], %f26
-	ldd	[%o0 + 0x70], %f28
-	retl
-	 ldd	[%o0 + 0x78], %f30
-ENDPROC(des_sparc64_load_keys)
-
-	.align	32
-ENTRY(des_sparc64_ecb_crypt)
-	/* %o0=input, %o1=output, %o2=len */
-1:	ldd	[%o0 + 0x00], %f32
-	add	%o0, 0x08, %o0
-	DES_IP(32, 32)
-	DES_ROUND(0, 2, 32, 32)
-	DES_ROUND(4, 6, 32, 32)
-	DES_ROUND(8, 10, 32, 32)
-	DES_ROUND(12, 14, 32, 32)
-	DES_ROUND(16, 18, 32, 32)
-	DES_ROUND(20, 22, 32, 32)
-	DES_ROUND(24, 26, 32, 32)
-	DES_ROUND(28, 30, 32, 32)
-	DES_IIP(32, 32)
-	std	%f32, [%o1 + 0x00]
-	subcc	%o2, 0x08, %o2
-	bne,pt	%icc, 1b
-	 add	%o1, 0x08, %o1
-	retl
-	 nop
-ENDPROC(des_sparc64_ecb_crypt)
-
-	.align	32
-ENTRY(des_sparc64_cbc_encrypt)
-	/* %o0=input, %o1=output, %o2=len, %o3=IV */
-	ldd	[%o3 + 0x00], %f32
-1:	ldd	[%o0 + 0x00], %f34
-	fxor	%f32, %f34, %f32
-	DES_IP(32, 32)
-	DES_ROUND(0, 2, 32, 32)
-	DES_ROUND(4, 6, 32, 32)
-	DES_ROUND(8, 10, 32, 32)
-	DES_ROUND(12, 14, 32, 32)
-	DES_ROUND(16, 18, 32, 32)
-	DES_ROUND(20, 22, 32, 32)
-	DES_ROUND(24, 26, 32, 32)
-	DES_ROUND(28, 30, 32, 32)
-	DES_IIP(32, 32)
-	std	%f32, [%o1 + 0x00]
-	add	%o0, 0x08, %o0
-	subcc	%o2, 0x08, %o2
-	bne,pt	%icc, 1b
-	 add	%o1, 0x08, %o1
-	retl
-	 std	%f32, [%o3 + 0x00]
-ENDPROC(des_sparc64_cbc_encrypt)
-
-	.align	32
-ENTRY(des_sparc64_cbc_decrypt)
-	/* %o0=input, %o1=output, %o2=len, %o3=IV */
-	ldd	[%o3 + 0x00], %f34
-1:	ldd	[%o0 + 0x00], %f36
-	DES_IP(36, 32)
-	DES_ROUND(0, 2, 32, 32)
-	DES_ROUND(4, 6, 32, 32)
-	DES_ROUND(8, 10, 32, 32)
-	DES_ROUND(12, 14, 32, 32)
-	DES_ROUND(16, 18, 32, 32)
-	DES_ROUND(20, 22, 32, 32)
-	DES_ROUND(24, 26, 32, 32)
-	DES_ROUND(28, 30, 32, 32)
-	DES_IIP(32, 32)
-	fxor	%f32, %f34, %f32
-	fsrc2	%f36, %f34
-	std	%f32, [%o1 + 0x00]
-	add	%o0, 0x08, %o0
-	subcc	%o2, 0x08, %o2
-	bne,pt	%icc, 1b
-	 add	%o1, 0x08, %o1
-	retl
-	 std	%f36, [%o3 + 0x00]
-ENDPROC(des_sparc64_cbc_decrypt)
-
-	.align	32
-ENTRY(des3_ede_sparc64_crypt)
-	/* %o0=key, %o1=input, %o2=output */
-	VISEntry
-	ldd	[%o1 + 0x00], %f32
-	ldd	[%o0 + 0x00], %f0
-	ldd	[%o0 + 0x08], %f2
-	ldd	[%o0 + 0x10], %f4
-	ldd	[%o0 + 0x18], %f6
-	ldd	[%o0 + 0x20], %f8
-	ldd	[%o0 + 0x28], %f10
-	ldd	[%o0 + 0x30], %f12
-	ldd	[%o0 + 0x38], %f14
-	ldd	[%o0 + 0x40], %f16
-	ldd	[%o0 + 0x48], %f18
-	ldd	[%o0 + 0x50], %f20
-	ldd	[%o0 + 0x58], %f22
-	ldd	[%o0 + 0x60], %f24
-	ldd	[%o0 + 0x68], %f26
-	ldd	[%o0 + 0x70], %f28
-	ldd	[%o0 + 0x78], %f30
-	DES_IP(32, 32)
-	DES_ROUND(0, 2, 32, 32)
-	ldd	[%o0 + 0x80], %f0
-	ldd	[%o0 + 0x88], %f2
-	DES_ROUND(4, 6, 32, 32)
-	ldd	[%o0 + 0x90], %f4
-	ldd	[%o0 + 0x98], %f6
-	DES_ROUND(8, 10, 32, 32)
-	ldd	[%o0 + 0xa0], %f8
-	ldd	[%o0 + 0xa8], %f10
-	DES_ROUND(12, 14, 32, 32)
-	ldd	[%o0 + 0xb0], %f12
-	ldd	[%o0 + 0xb8], %f14
-	DES_ROUND(16, 18, 32, 32)
-	ldd	[%o0 + 0xc0], %f16
-	ldd	[%o0 + 0xc8], %f18
-	DES_ROUND(20, 22, 32, 32)
-	ldd	[%o0 + 0xd0], %f20
-	ldd	[%o0 + 0xd8], %f22
-	DES_ROUND(24, 26, 32, 32)
-	ldd	[%o0 + 0xe0], %f24
-	ldd	[%o0 + 0xe8], %f26
-	DES_ROUND(28, 30, 32, 32)
-	ldd	[%o0 + 0xf0], %f28
-	ldd	[%o0 + 0xf8], %f30
-	DES_IIP(32, 32)
-	DES_IP(32, 32)
-	DES_ROUND(0, 2, 32, 32)
-	ldd	[%o0 + 0x100], %f0
-	ldd	[%o0 + 0x108], %f2
-	DES_ROUND(4, 6, 32, 32)
-	ldd	[%o0 + 0x110], %f4
-	ldd	[%o0 + 0x118], %f6
-	DES_ROUND(8, 10, 32, 32)
-	ldd	[%o0 + 0x120], %f8
-	ldd	[%o0 + 0x128], %f10
-	DES_ROUND(12, 14, 32, 32)
-	ldd	[%o0 + 0x130], %f12
-	ldd	[%o0 + 0x138], %f14
-	DES_ROUND(16, 18, 32, 32)
-	ldd	[%o0 + 0x140], %f16
-	ldd	[%o0 + 0x148], %f18
-	DES_ROUND(20, 22, 32, 32)
-	ldd	[%o0 + 0x150], %f20
-	ldd	[%o0 + 0x158], %f22
-	DES_ROUND(24, 26, 32, 32)
-	ldd	[%o0 + 0x160], %f24
-	ldd	[%o0 + 0x168], %f26
-	DES_ROUND(28, 30, 32, 32)
-	ldd	[%o0 + 0x170], %f28
-	ldd	[%o0 + 0x178], %f30
-	DES_IIP(32, 32)
-	DES_IP(32, 32)
-	DES_ROUND(0, 2, 32, 32)
-	DES_ROUND(4, 6, 32, 32)
-	DES_ROUND(8, 10, 32, 32)
-	DES_ROUND(12, 14, 32, 32)
-	DES_ROUND(16, 18, 32, 32)
-	DES_ROUND(20, 22, 32, 32)
-	DES_ROUND(24, 26, 32, 32)
-	DES_ROUND(28, 30, 32, 32)
-	DES_IIP(32, 32)
-
-	std	%f32, [%o2 + 0x00]
-	retl
-	 VISExit
-ENDPROC(des3_ede_sparc64_crypt)
-
-	.align	32
-ENTRY(des3_ede_sparc64_load_keys)
-	/* %o0=key */
-	VISEntry
-	ldd	[%o0 + 0x00], %f0
-	ldd	[%o0 + 0x08], %f2
-	ldd	[%o0 + 0x10], %f4
-	ldd	[%o0 + 0x18], %f6
-	ldd	[%o0 + 0x20], %f8
-	ldd	[%o0 + 0x28], %f10
-	ldd	[%o0 + 0x30], %f12
-	ldd	[%o0 + 0x38], %f14
-	ldd	[%o0 + 0x40], %f16
-	ldd	[%o0 + 0x48], %f18
-	ldd	[%o0 + 0x50], %f20
-	ldd	[%o0 + 0x58], %f22
-	ldd	[%o0 + 0x60], %f24
-	ldd	[%o0 + 0x68], %f26
-	ldd	[%o0 + 0x70], %f28
-	ldd	[%o0 + 0x78], %f30
-	ldd	[%o0 + 0x80], %f32
-	ldd	[%o0 + 0x88], %f34
-	ldd	[%o0 + 0x90], %f36
-	ldd	[%o0 + 0x98], %f38
-	ldd	[%o0 + 0xa0], %f40
-	ldd	[%o0 + 0xa8], %f42
-	ldd	[%o0 + 0xb0], %f44
-	ldd	[%o0 + 0xb8], %f46
-	ldd	[%o0 + 0xc0], %f48
-	ldd	[%o0 + 0xc8], %f50
-	ldd	[%o0 + 0xd0], %f52
-	ldd	[%o0 + 0xd8], %f54
-	ldd	[%o0 + 0xe0], %f56
-	retl
-	 ldd	[%o0 + 0xe8], %f58
-ENDPROC(des3_ede_sparc64_load_keys)
-
-#define DES3_LOOP_BODY(X) \
-	DES_IP(X, X) \
-	DES_ROUND(0, 2, X, X) \
-	DES_ROUND(4, 6, X, X) \
-	DES_ROUND(8, 10, X, X) \
-	DES_ROUND(12, 14, X, X) \
-	DES_ROUND(16, 18, X, X) \
-	ldd	[%o0 + 0xf0], %f16; \
-	ldd	[%o0 + 0xf8], %f18; \
-	DES_ROUND(20, 22, X, X) \
-	ldd	[%o0 + 0x100], %f20; \
-	ldd	[%o0 + 0x108], %f22; \
-	DES_ROUND(24, 26, X, X) \
-	ldd	[%o0 + 0x110], %f24; \
-	ldd	[%o0 + 0x118], %f26; \
-	DES_ROUND(28, 30, X, X) \
-	ldd	[%o0 + 0x120], %f28; \
-	ldd	[%o0 + 0x128], %f30; \
-	DES_IIP(X, X) \
-	DES_IP(X, X) \
-	DES_ROUND(32, 34, X, X) \
-	ldd	[%o0 + 0x130], %f0; \
-	ldd	[%o0 + 0x138], %f2; \
-	DES_ROUND(36, 38, X, X) \
-	ldd	[%o0 + 0x140], %f4; \
-	ldd	[%o0 + 0x148], %f6; \
-	DES_ROUND(40, 42, X, X) \
-	ldd	[%o0 + 0x150], %f8; \
-	ldd	[%o0 + 0x158], %f10; \
-	DES_ROUND(44, 46, X, X) \
-	ldd	[%o0 + 0x160], %f12; \
-	ldd	[%o0 + 0x168], %f14; \
-	DES_ROUND(48, 50, X, X) \
-	DES_ROUND(52, 54, X, X) \
-	DES_ROUND(56, 58, X, X) \
-	DES_ROUND(16, 18, X, X) \
-	ldd	[%o0 + 0x170], %f16; \
-	ldd	[%o0 + 0x178], %f18; \
-	DES_IIP(X, X) \
-	DES_IP(X, X) \
-	DES_ROUND(20, 22, X, X) \
-	ldd	[%o0 + 0x50], %f20; \
-	ldd	[%o0 + 0x58], %f22; \
-	DES_ROUND(24, 26, X, X) \
-	ldd	[%o0 + 0x60], %f24; \
-	ldd	[%o0 + 0x68], %f26; \
-	DES_ROUND(28, 30, X, X) \
-	ldd	[%o0 + 0x70], %f28; \
-	ldd	[%o0 + 0x78], %f30; \
-	DES_ROUND(0, 2, X, X) \
-	ldd	[%o0 + 0x00], %f0; \
-	ldd	[%o0 + 0x08], %f2; \
-	DES_ROUND(4, 6, X, X) \
-	ldd	[%o0 + 0x10], %f4; \
-	ldd	[%o0 + 0x18], %f6; \
-	DES_ROUND(8, 10, X, X) \
-	ldd	[%o0 + 0x20], %f8; \
-	ldd	[%o0 + 0x28], %f10; \
-	DES_ROUND(12, 14, X, X) \
-	ldd	[%o0 + 0x30], %f12; \
-	ldd	[%o0 + 0x38], %f14; \
-	DES_ROUND(16, 18, X, X) \
-	ldd	[%o0 + 0x40], %f16; \
-	ldd	[%o0 + 0x48], %f18; \
-	DES_IIP(X, X)
-
-	.align	32
-ENTRY(des3_ede_sparc64_ecb_crypt)
-	/* %o0=key, %o1=input, %o2=output, %o3=len */
-1:	ldd	[%o1 + 0x00], %f60
-	DES3_LOOP_BODY(60)
-	std	%f60, [%o2 + 0x00]
-	add	%o1, 0x08, %o1
-	subcc	%o3, 0x08, %o3
-	bne,pt	%icc, 1b
-	 add	%o2, 0x08, %o2
-	retl
-	 nop
-ENDPROC(des3_ede_sparc64_ecb_crypt)
-
-	.align	32
-ENTRY(des3_ede_sparc64_cbc_encrypt)
-	/* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */
-	ldd	[%o4 + 0x00], %f60
-1:	ldd	[%o1 + 0x00], %f62
-	fxor	%f60, %f62, %f60
-	DES3_LOOP_BODY(60)
-	std	%f60, [%o2 + 0x00]
-	add	%o1, 0x08, %o1
-	subcc	%o3, 0x08, %o3
-	bne,pt	%icc, 1b
-	 add	%o2, 0x08, %o2
-	retl
-	 std	%f60, [%o4 + 0x00]
-ENDPROC(des3_ede_sparc64_cbc_encrypt)
-
-	.align	32
-ENTRY(des3_ede_sparc64_cbc_decrypt)
-	/* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */
-	ldd	[%o4 + 0x00], %f62
-1:	ldx	[%o1 + 0x00], %g1
-	MOVXTOD_G1_F60
-	DES3_LOOP_BODY(60)
-	fxor	%f62, %f60, %f60
-	MOVXTOD_G1_F62
-	std	%f60, [%o2 + 0x00]
-	add	%o1, 0x08, %o1
-	subcc	%o3, 0x08, %o3
-	bne,pt	%icc, 1b
-	 add	%o2, 0x08, %o2
-	retl
-	 stx	%g1, [%o4 + 0x00]
-ENDPROC(des3_ede_sparc64_cbc_decrypt)
diff --git a/arch/sparc/crypto/des_glue.c b/arch/sparc/crypto/des_glue.c
deleted file mode 100644
index e50ec4cd57cd..000000000000
--- a/arch/sparc/crypto/des_glue.c
+++ /dev/null
@@ -1,482 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/* Glue code for DES encryption optimized for sparc64 crypto opcodes.
- *
- * Copyright (C) 2012 David S. Miller <davem@davemloft.net>
- */
-
-#define pr_fmt(fmt)	KBUILD_MODNAME ": " fmt
-
-#include <linux/crypto.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/mm.h>
-#include <linux/types.h>
-#include <crypto/algapi.h>
-#include <crypto/internal/des.h>
-#include <crypto/internal/skcipher.h>
-
-#include <asm/fpumacro.h>
-#include <asm/opcodes.h>
-#include <asm/pstate.h>
-#include <asm/elf.h>
-
-struct des_sparc64_ctx {
-	u64 encrypt_expkey[DES_EXPKEY_WORDS / 2];
-	u64 decrypt_expkey[DES_EXPKEY_WORDS / 2];
-};
-
-struct des3_ede_sparc64_ctx {
-	u64 encrypt_expkey[DES3_EDE_EXPKEY_WORDS / 2];
-	u64 decrypt_expkey[DES3_EDE_EXPKEY_WORDS / 2];
-};
-
-static void encrypt_to_decrypt(u64 *d, const u64 *e)
-{
-	const u64 *s = e + (DES_EXPKEY_WORDS / 2) - 1;
-	int i;
-
-	for (i = 0; i < DES_EXPKEY_WORDS / 2; i++)
-		*d++ = *s--;
-}
-
-extern void des_sparc64_key_expand(const u32 *input_key, u64 *key);
-
-static int des_set_key(struct crypto_tfm *tfm, const u8 *key,
-		       unsigned int keylen)
-{
-	struct des_sparc64_ctx *dctx = crypto_tfm_ctx(tfm);
-	int err;
-
-	/* Even though we have special instructions for key expansion,
-	 * we call des_verify_key() so that we don't have to write our own
-	 * weak key detection code.
-	 */
-	err = crypto_des_verify_key(tfm, key);
-	if (err)
-		return err;
-
-	des_sparc64_key_expand((const u32 *) key, &dctx->encrypt_expkey[0]);
-	encrypt_to_decrypt(&dctx->decrypt_expkey[0], &dctx->encrypt_expkey[0]);
-
-	return 0;
-}
-
-static int des_set_key_skcipher(struct crypto_skcipher *tfm, const u8 *key,
-				unsigned int keylen)
-{
-	return des_set_key(crypto_skcipher_tfm(tfm), key, keylen);
-}
-
-extern void des_sparc64_crypt(const u64 *key, const u64 *input,
-			      u64 *output);
-
-static void sparc_des_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
-{
-	struct des_sparc64_ctx *ctx = crypto_tfm_ctx(tfm);
-	const u64 *K = ctx->encrypt_expkey;
-
-	des_sparc64_crypt(K, (const u64 *) src, (u64 *) dst);
-}
-
-static void sparc_des_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
-{
-	struct des_sparc64_ctx *ctx = crypto_tfm_ctx(tfm);
-	const u64 *K = ctx->decrypt_expkey;
-
-	des_sparc64_crypt(K, (const u64 *) src, (u64 *) dst);
-}
-
-extern void des_sparc64_load_keys(const u64 *key);
-
-extern void des_sparc64_ecb_crypt(const u64 *input, u64 *output,
-				  unsigned int len);
-
-static int __ecb_crypt(struct skcipher_request *req, bool encrypt)
-{
-	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
-	const struct des_sparc64_ctx *ctx = crypto_skcipher_ctx(tfm);
-	struct skcipher_walk walk;
-	unsigned int nbytes;
-	int err;
-
-	err = skcipher_walk_virt(&walk, req, true);
-	if (err)
-		return err;
-
-	if (encrypt)
-		des_sparc64_load_keys(&ctx->encrypt_expkey[0]);
-	else
-		des_sparc64_load_keys(&ctx->decrypt_expkey[0]);
-	while ((nbytes = walk.nbytes) != 0) {
-		des_sparc64_ecb_crypt(walk.src.virt.addr, walk.dst.virt.addr,
-				      round_down(nbytes, DES_BLOCK_SIZE));
-		err = skcipher_walk_done(&walk, nbytes % DES_BLOCK_SIZE);
-	}
-	fprs_write(0);
-	return err;
-}
-
-static int ecb_encrypt(struct skcipher_request *req)
-{
-	return __ecb_crypt(req, true);
-}
-
-static int ecb_decrypt(struct skcipher_request *req)
-{
-	return __ecb_crypt(req, false);
-}
-
-extern void des_sparc64_cbc_encrypt(const u64 *input, u64 *output,
-				    unsigned int len, u64 *iv);
-
-extern void des_sparc64_cbc_decrypt(const u64 *input, u64 *output,
-				    unsigned int len, u64 *iv);
-
-static int __cbc_crypt(struct skcipher_request *req, bool encrypt)
-{
-	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
-	const struct des_sparc64_ctx *ctx = crypto_skcipher_ctx(tfm);
-	struct skcipher_walk walk;
-	unsigned int nbytes;
-	int err;
-
-	err = skcipher_walk_virt(&walk, req, true);
-	if (err)
-		return err;
-
-	if (encrypt)
-		des_sparc64_load_keys(&ctx->encrypt_expkey[0]);
-	else
-		des_sparc64_load_keys(&ctx->decrypt_expkey[0]);
-	while ((nbytes = walk.nbytes) != 0) {
-		if (encrypt)
-			des_sparc64_cbc_encrypt(walk.src.virt.addr,
-						walk.dst.virt.addr,
-						round_down(nbytes,
-							   DES_BLOCK_SIZE),
-						walk.iv);
-		else
-			des_sparc64_cbc_decrypt(walk.src.virt.addr,
-						walk.dst.virt.addr,
-						round_down(nbytes,
-							   DES_BLOCK_SIZE),
-						walk.iv);
-		err = skcipher_walk_done(&walk, nbytes % DES_BLOCK_SIZE);
-	}
-	fprs_write(0);
-	return err;
-}
-
-static int cbc_encrypt(struct skcipher_request *req)
-{
-	return __cbc_crypt(req, true);
-}
-
-static int cbc_decrypt(struct skcipher_request *req)
-{
-	return __cbc_crypt(req, false);
-}
-
-static int des3_ede_set_key(struct crypto_tfm *tfm, const u8 *key,
-			    unsigned int keylen)
-{
-	struct des3_ede_sparc64_ctx *dctx = crypto_tfm_ctx(tfm);
-	u64 k1[DES_EXPKEY_WORDS / 2];
-	u64 k2[DES_EXPKEY_WORDS / 2];
-	u64 k3[DES_EXPKEY_WORDS / 2];
-	int err;
-
-	err = crypto_des3_ede_verify_key(tfm, key);
-	if (err)
-		return err;
-
-	des_sparc64_key_expand((const u32 *)key, k1);
-	key += DES_KEY_SIZE;
-	des_sparc64_key_expand((const u32 *)key, k2);
-	key += DES_KEY_SIZE;
-	des_sparc64_key_expand((const u32 *)key, k3);
-
-	memcpy(&dctx->encrypt_expkey[0], &k1[0], sizeof(k1));
-	encrypt_to_decrypt(&dctx->encrypt_expkey[DES_EXPKEY_WORDS / 2], &k2[0]);
-	memcpy(&dctx->encrypt_expkey[(DES_EXPKEY_WORDS / 2) * 2],
-	       &k3[0], sizeof(k3));
-
-	encrypt_to_decrypt(&dctx->decrypt_expkey[0], &k3[0]);
-	memcpy(&dctx->decrypt_expkey[DES_EXPKEY_WORDS / 2],
-	       &k2[0], sizeof(k2));
-	encrypt_to_decrypt(&dctx->decrypt_expkey[(DES_EXPKEY_WORDS / 2) * 2],
-			   &k1[0]);
-
-	return 0;
-}
-
-static int des3_ede_set_key_skcipher(struct crypto_skcipher *tfm, const u8 *key,
-				     unsigned int keylen)
-{
-	return des3_ede_set_key(crypto_skcipher_tfm(tfm), key, keylen);
-}
-
-extern void des3_ede_sparc64_crypt(const u64 *key, const u64 *input,
-				   u64 *output);
-
-static void sparc_des3_ede_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
-{
-	struct des3_ede_sparc64_ctx *ctx = crypto_tfm_ctx(tfm);
-	const u64 *K = ctx->encrypt_expkey;
-
-	des3_ede_sparc64_crypt(K, (const u64 *) src, (u64 *) dst);
-}
-
-static void sparc_des3_ede_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
-{
-	struct des3_ede_sparc64_ctx *ctx = crypto_tfm_ctx(tfm);
-	const u64 *K = ctx->decrypt_expkey;
-
-	des3_ede_sparc64_crypt(K, (const u64 *) src, (u64 *) dst);
-}
-
-extern void des3_ede_sparc64_load_keys(const u64 *key);
-
-extern void des3_ede_sparc64_ecb_crypt(const u64 *expkey, const u64 *input,
-				       u64 *output, unsigned int len);
-
-static int __ecb3_crypt(struct skcipher_request *req, bool encrypt)
-{
-	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
-	const struct des3_ede_sparc64_ctx *ctx = crypto_skcipher_ctx(tfm);
-	struct skcipher_walk walk;
-	const u64 *K;
-	unsigned int nbytes;
-	int err;
-
-	err = skcipher_walk_virt(&walk, req, true);
-	if (err)
-		return err;
-
-	if (encrypt)
-		K = &ctx->encrypt_expkey[0];
-	else
-		K = &ctx->decrypt_expkey[0];
-	des3_ede_sparc64_load_keys(K);
-	while ((nbytes = walk.nbytes) != 0) {
-		des3_ede_sparc64_ecb_crypt(K, walk.src.virt.addr,
-					   walk.dst.virt.addr,
-					   round_down(nbytes, DES_BLOCK_SIZE));
-		err = skcipher_walk_done(&walk, nbytes % DES_BLOCK_SIZE);
-	}
-	fprs_write(0);
-	return err;
-}
-
-static int ecb3_encrypt(struct skcipher_request *req)
-{
-	return __ecb3_crypt(req, true);
-}
-
-static int ecb3_decrypt(struct skcipher_request *req)
-{
-	return __ecb3_crypt(req, false);
-}
-
-extern void des3_ede_sparc64_cbc_encrypt(const u64 *expkey, const u64 *input,
-					 u64 *output, unsigned int len,
-					 u64 *iv);
-
-extern void des3_ede_sparc64_cbc_decrypt(const u64 *expkey, const u64 *input,
-					 u64 *output, unsigned int len,
-					 u64 *iv);
-
-static int __cbc3_crypt(struct skcipher_request *req, bool encrypt)
-{
-	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
-	const struct des3_ede_sparc64_ctx *ctx = crypto_skcipher_ctx(tfm);
-	struct skcipher_walk walk;
-	const u64 *K;
-	unsigned int nbytes;
-	int err;
-
-	err = skcipher_walk_virt(&walk, req, true);
-	if (err)
-		return err;
-
-	if (encrypt)
-		K = &ctx->encrypt_expkey[0];
-	else
-		K = &ctx->decrypt_expkey[0];
-	des3_ede_sparc64_load_keys(K);
-	while ((nbytes = walk.nbytes) != 0) {
-		if (encrypt)
-			des3_ede_sparc64_cbc_encrypt(K, walk.src.virt.addr,
-						     walk.dst.virt.addr,
-						     round_down(nbytes,
-								DES_BLOCK_SIZE),
-						     walk.iv);
-		else
-			des3_ede_sparc64_cbc_decrypt(K, walk.src.virt.addr,
-						     walk.dst.virt.addr,
-						     round_down(nbytes,
-								DES_BLOCK_SIZE),
-						     walk.iv);
-		err = skcipher_walk_done(&walk, nbytes % DES_BLOCK_SIZE);
-	}
-	fprs_write(0);
-	return err;
-}
-
-static int cbc3_encrypt(struct skcipher_request *req)
-{
-	return __cbc3_crypt(req, true);
-}
-
-static int cbc3_decrypt(struct skcipher_request *req)
-{
-	return __cbc3_crypt(req, false);
-}
-
-static struct crypto_alg cipher_algs[] = {
-	{
-		.cra_name		= "des",
-		.cra_driver_name	= "des-sparc64",
-		.cra_priority		= SPARC_CR_OPCODE_PRIORITY,
-		.cra_flags		= CRYPTO_ALG_TYPE_CIPHER,
-		.cra_blocksize		= DES_BLOCK_SIZE,
-		.cra_ctxsize		= sizeof(struct des_sparc64_ctx),
-		.cra_alignmask		= 7,
-		.cra_module		= THIS_MODULE,
-		.cra_u	= {
-			.cipher	= {
-				.cia_min_keysize	= DES_KEY_SIZE,
-				.cia_max_keysize	= DES_KEY_SIZE,
-				.cia_setkey		= des_set_key,
-				.cia_encrypt		= sparc_des_encrypt,
-				.cia_decrypt		= sparc_des_decrypt
-			}
-		}
-	}, {
-		.cra_name		= "des3_ede",
-		.cra_driver_name	= "des3_ede-sparc64",
-		.cra_priority		= SPARC_CR_OPCODE_PRIORITY,
-		.cra_flags		= CRYPTO_ALG_TYPE_CIPHER,
-		.cra_blocksize		= DES3_EDE_BLOCK_SIZE,
-		.cra_ctxsize		= sizeof(struct des3_ede_sparc64_ctx),
-		.cra_alignmask		= 7,
-		.cra_module		= THIS_MODULE,
-		.cra_u	= {
-			.cipher	= {
-				.cia_min_keysize	= DES3_EDE_KEY_SIZE,
-				.cia_max_keysize	= DES3_EDE_KEY_SIZE,
-				.cia_setkey		= des3_ede_set_key,
-				.cia_encrypt		= sparc_des3_ede_encrypt,
-				.cia_decrypt		= sparc_des3_ede_decrypt
-			}
-		}
-	}
-};
-
-static struct skcipher_alg skcipher_algs[] = {
-	{
-		.base.cra_name		= "ecb(des)",
-		.base.cra_driver_name	= "ecb-des-sparc64",
-		.base.cra_priority	= SPARC_CR_OPCODE_PRIORITY,
-		.base.cra_blocksize	= DES_BLOCK_SIZE,
-		.base.cra_ctxsize	= sizeof(struct des_sparc64_ctx),
-		.base.cra_alignmask	= 7,
-		.base.cra_module	= THIS_MODULE,
-		.min_keysize		= DES_KEY_SIZE,
-		.max_keysize		= DES_KEY_SIZE,
-		.setkey			= des_set_key_skcipher,
-		.encrypt		= ecb_encrypt,
-		.decrypt		= ecb_decrypt,
-	}, {
-		.base.cra_name		= "cbc(des)",
-		.base.cra_driver_name	= "cbc-des-sparc64",
-		.base.cra_priority	= SPARC_CR_OPCODE_PRIORITY,
-		.base.cra_blocksize	= DES_BLOCK_SIZE,
-		.base.cra_ctxsize	= sizeof(struct des_sparc64_ctx),
-		.base.cra_alignmask	= 7,
-		.base.cra_module	= THIS_MODULE,
-		.min_keysize		= DES_KEY_SIZE,
-		.max_keysize		= DES_KEY_SIZE,
-		.ivsize			= DES_BLOCK_SIZE,
-		.setkey			= des_set_key_skcipher,
-		.encrypt		= cbc_encrypt,
-		.decrypt		= cbc_decrypt,
-	}, {
-		.base.cra_name		= "ecb(des3_ede)",
-		.base.cra_driver_name	= "ecb-des3_ede-sparc64",
-		.base.cra_priority	= SPARC_CR_OPCODE_PRIORITY,
-		.base.cra_blocksize	= DES3_EDE_BLOCK_SIZE,
-		.base.cra_ctxsize	= sizeof(struct des3_ede_sparc64_ctx),
-		.base.cra_alignmask	= 7,
-		.base.cra_module	= THIS_MODULE,
-		.min_keysize		= DES3_EDE_KEY_SIZE,
-		.max_keysize		= DES3_EDE_KEY_SIZE,
-		.setkey			= des3_ede_set_key_skcipher,
-		.encrypt		= ecb3_encrypt,
-		.decrypt		= ecb3_decrypt,
-	}, {
-		.base.cra_name		= "cbc(des3_ede)",
-		.base.cra_driver_name	= "cbc-des3_ede-sparc64",
-		.base.cra_priority	= SPARC_CR_OPCODE_PRIORITY,
-		.base.cra_blocksize	= DES3_EDE_BLOCK_SIZE,
-		.base.cra_ctxsize	= sizeof(struct des3_ede_sparc64_ctx),
-		.base.cra_alignmask	= 7,
-		.base.cra_module	= THIS_MODULE,
-		.min_keysize		= DES3_EDE_KEY_SIZE,
-		.max_keysize		= DES3_EDE_KEY_SIZE,
-		.ivsize			= DES3_EDE_BLOCK_SIZE,
-		.setkey			= des3_ede_set_key_skcipher,
-		.encrypt		= cbc3_encrypt,
-		.decrypt		= cbc3_decrypt,
-	}
-};
-
-static bool __init sparc64_has_des_opcode(void)
-{
-	unsigned long cfr;
-
-	if (!(sparc64_elf_hwcap & HWCAP_SPARC_CRYPTO))
-		return false;
-
-	__asm__ __volatile__("rd %%asr26, %0" : "=r" (cfr));
-	if (!(cfr & CFR_DES))
-		return false;
-
-	return true;
-}
-
-static int __init des_sparc64_mod_init(void)
-{
-	int err;
-
-	if (!sparc64_has_des_opcode()) {
-		pr_info("sparc64 des opcodes not available.\n");
-		return -ENODEV;
-	}
-	pr_info("Using sparc64 des opcodes optimized DES implementation\n");
-	err = crypto_register_algs(cipher_algs, ARRAY_SIZE(cipher_algs));
-	if (err)
-		return err;
-	err = crypto_register_skciphers(skcipher_algs,
-					ARRAY_SIZE(skcipher_algs));
-	if (err)
-		crypto_unregister_algs(cipher_algs, ARRAY_SIZE(cipher_algs));
-	return err;
-}
-
-static void __exit des_sparc64_mod_fini(void)
-{
-	crypto_unregister_algs(cipher_algs, ARRAY_SIZE(cipher_algs));
-	crypto_unregister_skciphers(skcipher_algs, ARRAY_SIZE(skcipher_algs));
-}
-
-module_init(des_sparc64_mod_init);
-module_exit(des_sparc64_mod_fini);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms, sparc64 des opcode accelerated");
-
-MODULE_ALIAS_CRYPTO("des");
-MODULE_ALIAS_CRYPTO("des3_ede");
-
-#include "crop_devid.c"
-- 
2.53.0