Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
---
Currently supports ECB and CBC block modes. I'll add CTR and maybe
some others when I get a chance.
If you're familiar with Intel AESNI stuff, these instructions provide
nearly identical functionality. The difference is that we only have
64-bit float registers, so it takes two instructions to do a round.
The other difference is that the instructions are setup such that we
work from a single expanded key to do both encryption and decryption,
rather than a seperate one for each.
As for other encryption algorithms, these chips can do DES (which I
plan to work on next), Camellia, and Kasumi. We have a generic
Camellia implementation and thus test vectors, so I'm likely to work
on support for that. For Kasumi, we lack a generic implementation and
test vectors, and thus I'm very much not motivated to do anything with
it :-)
Finally I'll probably add support at some point for the crc32c
instruction as well.
arch/sparc/crypto/Makefile | 4 +
arch/sparc/crypto/aes_asm.S | 836 ++++++++++++++++++++++++++++++++++++++++++
arch/sparc/crypto/aes_glue.c | 323 ++++++++++++++++
crypto/Kconfig | 28 ++
4 files changed, 1191 insertions(+)
create mode 100644 arch/sparc/crypto/aes_asm.S
create mode 100644 arch/sparc/crypto/aes_glue.c
diff --git a/arch/sparc/crypto/Makefile b/arch/sparc/crypto/Makefile
index 5356698..5034324 100644
--- a/arch/sparc/crypto/Makefile
+++ b/arch/sparc/crypto/Makefile
@@ -7,7 +7,11 @@ obj-$(CONFIG_CRYPTO_SHA256_SPARC64) += sha256-sparc64.o
obj-$(CONFIG_CRYPTO_SHA512_SPARC64) += sha512-sparc64.o
obj-$(CONFIG_CRYPTO_MD5_SPARC64) += md5-sparc64.o
+obj-$(CONFIG_CRYPTO_AES_SPARC64) += aes-sparc64.o
+
sha1-sparc64-y := sha1_asm.o sha1_glue.o
sha256-sparc64-y := sha256_asm.o sha256_glue.o
sha512-sparc64-y := sha512_asm.o sha512_glue.o
md5-sparc64-y := md5_asm.o md5_glue.o
+
+aes-sparc64-y := aes_asm.o aes_glue.o
diff --git a/arch/sparc/crypto/aes_asm.S b/arch/sparc/crypto/aes_asm.S
new file mode 100644
index 0000000..f656dc7
--- /dev/null
+++ b/arch/sparc/crypto/aes_asm.S
@@ -0,0 +1,836 @@
+#include <linux/linkage.h>
+#include <asm/visasm.h>
+
+#define F3F(x,y,z) (((x)<<30)|((y)<<19)|((z)<<5))
+
+#define FPD_ENCODE(x) (((x) >> 5) | ((x) & ~(0x20)))
+
+#define RS1(x) (FPD_ENCODE(x) << 14)
+#define RS2(x) (FPD_ENCODE(x) << 0)
+#define RS3(x) (FPD_ENCODE(x) << 9)
+#define RD(x) (FPD_ENCODE(x) << 25)
+#define IMM5(x) ((x) << 9)
+
+#define AES_EROUND01(a,b,c,d) \
+ .word (F3F(2, 0x19, 0)|RS1(a)|RS2(b)|RS3(c)|RD(d));
+#define AES_EROUND23(a,b,c,d) \
+ .word (F3F(2, 0x19, 1)|RS1(a)|RS2(b)|RS3(c)|RD(d));
+#define AES_DROUND01(a,b,c,d) \
+ .word (F3F(2, 0x19, 2)|RS1(a)|RS2(b)|RS3(c)|RD(d));
+#define AES_DROUND23(a,b,c,d) \
+ .word (F3F(2, 0x19, 3)|RS1(a)|RS2(b)|RS3(c)|RD(d));
+#define AES_EROUND01_L(a,b,c,d) \
+ .word (F3F(2, 0x19, 4)|RS1(a)|RS2(b)|RS3(c)|RD(d));
+#define AES_EROUND23_L(a,b,c,d) \
+ .word (F3F(2, 0x19, 5)|RS1(a)|RS2(b)|RS3(c)|RD(d));
+#define AES_DROUND01_L(a,b,c,d) \
+ .word (F3F(2, 0x19, 6)|RS1(a)|RS2(b)|RS3(c)|RD(d));
+#define AES_DROUND23_L(a,b,c,d) \
+ .word (F3F(2, 0x19, 7)|RS1(a)|RS2(b)|RS3(c)|RD(d));
+#define AES_KEXPAND1(a,b,c,d) \
+ .word (F3F(2, 0x19, 8)|RS1(a)|RS2(b)|IMM5(c)|RD(d));
+#define AES_KEXPAND0(a,b,c) \
+ .word (F3F(2, 0x36, 0x130)|RS1(a)|RS2(b)|RD(c));
+#define AES_KEXPAND2(a,b,c) \
+ .word (F3F(2, 0x36, 0x131)|RS1(a)|RS2(b)|RD(c));
+
+#define MOVXTOD_G3_F4 \
+ .word 0x89b02303;
+#define MOVXTOD_G7_F6 \
+ .word 0x8db02307;
+#define MOVXTOD_G3_F0 \
+ .word 0x81b02303;
+#define MOVXTOD_G7_F2 \
+ .word 0x85b02307;
+#define MOVXTOD_O0_F0 \
+ .word 0x81b02308;
+#define MOVXTOD_O1_F2 \
+ .word 0x85b02309;
+
+#define ENCRYPT_TWO_ROUNDS(KEY_BASE, I0, I1, T0, T1) \
+ AES_EROUND01(KEY_BASE + 0, I0, I1, T0) \
+ AES_EROUND23(KEY_BASE + 2, I0, I1, T1) \
+ AES_EROUND01(KEY_BASE + 4, T0, T1, I0) \
+ AES_EROUND23(KEY_BASE + 6, T0, T1, I1)
+
+#define ENCRYPT_TWO_ROUNDS_LAST(KEY_BASE, I0, I1, T0, T1) \
+ AES_EROUND01(KEY_BASE + 0, I0, I1, T0) \
+ AES_EROUND23(KEY_BASE + 2, I0, I1, T1) \
+ AES_EROUND01_L(KEY_BASE + 4, T0, T1, I0) \
+ AES_EROUND23_L(KEY_BASE + 6, T0, T1, I1)
+
+ /* 10 rounds */
+#define ENCRYPT_128(KEY_BASE, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS(KEY_BASE + 0, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS(KEY_BASE + 8, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS(KEY_BASE + 16, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS(KEY_BASE + 24, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS_LAST(KEY_BASE + 32, I0, I1, T0, T1)
+
+ /* 12 rounds */
+#define ENCRYPT_192(KEY_BASE, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS(KEY_BASE + 0, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS(KEY_BASE + 8, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS(KEY_BASE + 16, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS(KEY_BASE + 24, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS(KEY_BASE + 32, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS_LAST(KEY_BASE + 40, I0, I1, T0, T1)
+
+ /* 14 rounds */
+#define ENCRYPT_256(KEY_BASE, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS(KEY_BASE + 0, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS(KEY_BASE + 8, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS(KEY_BASE + 16, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS(KEY_BASE + 24, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS(KEY_BASE + 32, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS(KEY_BASE + 40, I0, I1, T0, T1) \
+ ENCRYPT_TWO_ROUNDS_LAST(KEY_BASE + 48, I0, I1, T0, T1)
+
+#define DECRYPT_TWO_ROUNDS(KEY_TOP, I0, I1, T0, T1) \
+ AES_DROUND23(KEY_TOP - 2, I0, I1, T1) \
+ AES_DROUND01(KEY_TOP - 4, I0, I1, T0) \
+ AES_DROUND23(KEY_TOP - 6, T0, T1, I1) \
+ AES_DROUND01(KEY_TOP - 8, T0, T1, I0)
+
+#define DECRYPT_TWO_ROUNDS_LAST(KEY_TOP, I0, I1, T0, T1) \
+ AES_DROUND23(KEY_TOP - 2, I0, I1, T1) \
+ AES_DROUND01(KEY_TOP - 4, I0, I1, T0) \
+ AES_DROUND23_L(KEY_TOP - 6, T0, T1, I1) \
+ AES_DROUND01_L(KEY_TOP - 8, T0, T1, I0)
+
+ /* 10 rounds */
+#define DECRYPT_128(KEY_TOP, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS(KEY_TOP - 0, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS(KEY_TOP - 8, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS(KEY_TOP - 16, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS(KEY_TOP - 24, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS_LAST(KEY_TOP - 32, I0, I1, T0, T1)
+
+ /* 12 rounds */
+#define DECRYPT_192(KEY_TOP, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS(KEY_TOP - 0, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS(KEY_TOP - 8, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS(KEY_TOP - 16, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS(KEY_TOP - 24, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS(KEY_TOP - 32, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS_LAST(KEY_TOP - 40, I0, I1, T0, T1)
+
+ /* 14 rounds */
+#define DECRYPT_256(KEY_TOP, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS(KEY_TOP - 0, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS(KEY_TOP - 8, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS(KEY_TOP - 16, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS(KEY_TOP - 24, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS(KEY_TOP - 32, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS(KEY_TOP - 40, I0, I1, T0, T1) \
+ DECRYPT_TWO_ROUNDS_LAST(KEY_TOP - 48, I0, I1, T0, T1)
+
+ENTRY(aes_sparc64_key_expand)
+ /* %o0=input_key, %o1=output_key, %o2=key_len */
+ VISEntry
+ ld [%o0 + 0x00], %f0
+ ld [%o0 + 0x04], %f1
+ ld [%o0 + 0x08], %f2
+ ld [%o0 + 0x0c], %f3
+
+ std %f0, [%o1 + 0x00]
+ std %f2, [%o1 + 0x08]
+ add %o1, 0x10, %o1
+
+ cmp %o2, 24
+ bl 2f
+ nop
+
+ be 1f
+ nop
+
+ /* 256-bit key expansion */
+ ld [%o0 + 0x10], %f4
+ ld [%o0 + 0x14], %f5
+ ld [%o0 + 0x18], %f6
+ ld [%o0 + 0x1c], %f7
+
+ std %f4, [%o1 + 0x00]
+ std %f6, [%o1 + 0x08]
+ add %o1, 0x10, %o1
+
+ AES_KEXPAND1(0, 6, 0x0, 8)
+ AES_KEXPAND2(2, 8, 10)
+ AES_KEXPAND0(4, 10, 12)
+ AES_KEXPAND2(6, 12, 14)
+ AES_KEXPAND1(8, 14, 0x1, 16)
+ AES_KEXPAND2(10, 16, 18)
+ AES_KEXPAND0(12, 18, 20)
+ AES_KEXPAND2(14, 20, 22)
+ AES_KEXPAND1(16, 22, 0x2, 24)
+ AES_KEXPAND2(18, 24, 26)
+ AES_KEXPAND0(20, 26, 28)
+ AES_KEXPAND2(22, 28, 30)
+ AES_KEXPAND1(24, 30, 0x3, 32)
+ AES_KEXPAND2(26, 32, 34)
+ AES_KEXPAND0(28, 34, 36)
+ AES_KEXPAND2(30, 36, 38)
+ AES_KEXPAND1(32, 38, 0x4, 40)
+ AES_KEXPAND2(34, 40, 42)
+ AES_KEXPAND0(36, 42, 44)
+ AES_KEXPAND2(38, 44, 46)
+ AES_KEXPAND1(40, 46, 0x5, 48)
+ AES_KEXPAND2(42, 48, 50)
+ AES_KEXPAND0(44, 50, 52)
+ AES_KEXPAND2(46, 52, 54)
+ AES_KEXPAND1(48, 54, 0x6, 56)
+ AES_KEXPAND2(50, 56, 58)
+
+ std %f8, [%o1 + 0x00]
+ std %f10, [%o1 + 0x08]
+ std %f12, [%o1 + 0x10]
+ std %f14, [%o1 + 0x18]
+ std %f16, [%o1 + 0x20]
+ std %f18, [%o1 + 0x28]
+ std %f20, [%o1 + 0x30]
+ std %f22, [%o1 + 0x38]
+ std %f24, [%o1 + 0x40]
+ std %f26, [%o1 + 0x48]
+ std %f28, [%o1 + 0x50]
+ std %f30, [%o1 + 0x58]
+ std %f32, [%o1 + 0x60]
+ std %f34, [%o1 + 0x68]
+ std %f36, [%o1 + 0x70]
+ std %f38, [%o1 + 0x78]
+ std %f40, [%o1 + 0x80]
+ std %f42, [%o1 + 0x88]
+ std %f44, [%o1 + 0x90]
+ std %f46, [%o1 + 0x98]
+ std %f48, [%o1 + 0xa0]
+ std %f50, [%o1 + 0xa8]
+ std %f52, [%o1 + 0xb0]
+ std %f54, [%o1 + 0xb8]
+ std %f56, [%o1 + 0xc0]
+ ba,pt %xcc, 80f
+ std %f58, [%o1 + 0xc8]
+
+1:
+ /* 192-bit key expansion */
+ ld [%o0 + 0x10], %f4
+ ld [%o0 + 0x14], %f5
+
+ std %f4, [%o1 + 0x00]
+ add %o1, 0x08, %o1
+
+ AES_KEXPAND1(0, 4, 0x0, 6)
+ AES_KEXPAND2(2, 6, 8)
+ AES_KEXPAND2(4, 8, 10)
+ AES_KEXPAND1(6, 10, 0x1, 12)
+ AES_KEXPAND2(8, 12, 14)
+ AES_KEXPAND2(10, 14, 16)
+ AES_KEXPAND1(12, 16, 0x2, 18)
+ AES_KEXPAND2(14, 18, 20)
+ AES_KEXPAND2(16, 20, 22)
+ AES_KEXPAND1(18, 22, 0x3, 24)
+ AES_KEXPAND2(20, 24, 26)
+ AES_KEXPAND2(22, 26, 28)
+ AES_KEXPAND1(24, 28, 0x4, 30)
+ AES_KEXPAND2(26, 30, 32)
+ AES_KEXPAND2(28, 32, 34)
+ AES_KEXPAND1(30, 34, 0x5, 36)
+ AES_KEXPAND2(32, 36, 38)
+ AES_KEXPAND2(34, 38, 40)
+ AES_KEXPAND1(36, 40, 0x6, 42)
+ AES_KEXPAND2(38, 42, 44)
+ AES_KEXPAND2(40, 44, 46)
+ AES_KEXPAND1(42, 46, 0x7, 48)
+ AES_KEXPAND2(44, 48, 50)
+
+ std %f6, [%o1 + 0x00]
+ std %f8, [%o1 + 0x08]
+ std %f10, [%o1 + 0x10]
+ std %f12, [%o1 + 0x18]
+ std %f14, [%o1 + 0x20]
+ std %f16, [%o1 + 0x28]
+ std %f18, [%o1 + 0x30]
+ std %f20, [%o1 + 0x38]
+ std %f22, [%o1 + 0x40]
+ std %f24, [%o1 + 0x48]
+ std %f26, [%o1 + 0x50]
+ std %f28, [%o1 + 0x58]
+ std %f30, [%o1 + 0x60]
+ std %f32, [%o1 + 0x68]
+ std %f34, [%o1 + 0x70]
+ std %f36, [%o1 + 0x78]
+ std %f38, [%o1 + 0x80]
+ std %f40, [%o1 + 0x88]
+ std %f42, [%o1 + 0x90]
+ std %f44, [%o1 + 0x98]
+ std %f46, [%o1 + 0xa0]
+ std %f48, [%o1 + 0xa8]
+ ba,pt %xcc, 80f
+ std %f50, [%o1 + 0xb0]
+
+2:
+ /* 128-bit key expansion */
+ AES_KEXPAND1(0, 2, 0x0, 4)
+ AES_KEXPAND2(2, 4, 6)
+ AES_KEXPAND1(4, 6, 0x1, 8)
+ AES_KEXPAND2(6, 8, 10)
+ AES_KEXPAND1(8, 10, 0x2, 12)
+ AES_KEXPAND2(10, 12, 14)
+ AES_KEXPAND1(12, 14, 0x3, 16)
+ AES_KEXPAND2(14, 16, 18)
+ AES_KEXPAND1(16, 18, 0x4, 20)
+ AES_KEXPAND2(18, 20, 22)
+ AES_KEXPAND1(20, 22, 0x5, 24)
+ AES_KEXPAND2(22, 24, 26)
+ AES_KEXPAND1(24, 26, 0x6, 28)
+ AES_KEXPAND2(26, 28, 30)
+ AES_KEXPAND1(28, 30, 0x7, 32)
+ AES_KEXPAND2(30, 32, 34)
+ AES_KEXPAND1(32, 34, 0x8, 36)
+ AES_KEXPAND2(34, 36, 38)
+ AES_KEXPAND1(36, 38, 0x9, 40)
+ AES_KEXPAND2(38, 40, 42)
+
+ std %f4, [%o1 + 0x00]
+ std %f6, [%o1 + 0x08]
+ std %f8, [%o1 + 0x10]
+ std %f10, [%o1 + 0x18]
+ std %f12, [%o1 + 0x20]
+ std %f14, [%o1 + 0x28]
+ std %f16, [%o1 + 0x30]
+ std %f18, [%o1 + 0x38]
+ std %f20, [%o1 + 0x40]
+ std %f22, [%o1 + 0x48]
+ std %f24, [%o1 + 0x50]
+ std %f26, [%o1 + 0x58]
+ std %f28, [%o1 + 0x60]
+ std %f30, [%o1 + 0x68]
+ std %f32, [%o1 + 0x70]
+ std %f34, [%o1 + 0x78]
+ std %f36, [%o1 + 0x80]
+ std %f38, [%o1 + 0x88]
+ std %f40, [%o1 + 0x90]
+ std %f42, [%o1 + 0x98]
+80:
+ retl
+ VISExit
+ENDPROC(aes_sparc64_key_expand)
+
+ENTRY(aes_sparc64_encrypt)
+ /* %o0=key, %o1=input, %o2=output, %o3=key_len */
+ VISEntry
+ ld [%o1 + 0x00], %f4
+ ld [%o1 + 0x04], %f5
+ ld [%o1 + 0x08], %f6
+ ld [%o1 + 0x0c], %f7
+
+ ldd [%o0 + 0x00], %f8
+ ldd [%o0 + 0x08], %f10
+ cmp %o3, 24
+ fxor %f8, %f4, %f4
+ bl 2f
+ fxor %f10, %f6, %f6
+
+ be 1f
+ ldd [%o0 + 0x10], %f8
+
+ ldd [%o0 + 0x18], %f10
+ ldd [%o0 + 0x20], %f12
+ ldd [%o0 + 0x28], %f14
+ add %o0, 0x20, %o0
+
+ ENCRYPT_TWO_ROUNDS(8, 4, 6, 0, 2)
+
+ ldd [%o0 + 0x10], %f8
+
+1:
+ ldd [%o0 + 0x18], %f10
+ ldd [%o0 + 0x20], %f12
+ ldd [%o0 + 0x28], %f14
+ add %o0, 0x20, %o0
+
+ ENCRYPT_TWO_ROUNDS(8, 4, 6, 0, 2)
+
+2:
+ ldd [%o0 + 0x10], %f12
+ ldd [%o0 + 0x18], %f14
+ ldd [%o0 + 0x20], %f16
+ ldd [%o0 + 0x28], %f18
+ ldd [%o0 + 0x30], %f20
+ ldd [%o0 + 0x38], %f22
+ ldd [%o0 + 0x40], %f24
+ ldd [%o0 + 0x48], %f26
+ ldd [%o0 + 0x50], %f28
+ ldd [%o0 + 0x58], %f30
+ ldd [%o0 + 0x60], %f32
+ ldd [%o0 + 0x68], %f34
+ ldd [%o0 + 0x70], %f36
+ ldd [%o0 + 0x78], %f38
+ ldd [%o0 + 0x80], %f40
+ ldd [%o0 + 0x88], %f42
+ ldd [%o0 + 0x90], %f44
+ ldd [%o0 + 0x98], %f46
+ ldd [%o0 + 0xa0], %f48
+ ldd [%o0 + 0xa8], %f50
+
+
+ ENCRYPT_128(12, 4, 6, 0, 2)
+
+ st %f4, [%o2 + 0x00]
+ st %f5, [%o2 + 0x04]
+ st %f6, [%o2 + 0x08]
+ st %f7, [%o2 + 0x0c]
+
+ retl
+ VISExit
+ENDPROC(aes_sparc64_encrypt)
+
+ENTRY(aes_sparc64_decrypt)
+ /* %o0=key, %o1=input, %o2=output, %o3=key_len, %o4=exp_key_len */
+ VISEntry
+ ld [%o1 + 0x00], %f4
+ add %o0, %o4, %o0
+ ld [%o1 + 0x04], %f5
+ ld [%o1 + 0x08], %f6
+ ld [%o1 + 0x0c], %f7
+
+ ldd [%o0 - 0x08], %f8
+ ldd [%o0 - 0x10], %f10
+
+ cmp %o3, 24
+ fxor %f10, %f4, %f4
+ bl 2f
+ fxor %f8, %f6, %f6
+
+ be 1f
+ ldd [%o0 - 0x30], %f8
+
+ ldd [%o0 - 0x28], %f10
+ ldd [%o0 - 0x20], %f12
+ ldd [%o0 - 0x18], %f14
+ sub %o0, 0x20, %o0
+
+ DECRYPT_TWO_ROUNDS(16, 4, 6, 0, 2)
+
+ ldd [%o0 - 0x30], %f8
+1:
+ ldd [%o0 - 0x28], %f10
+ ldd [%o0 - 0x20], %f12
+ ldd [%o0 - 0x18], %f14
+ sub %o0, 0x20, %o0
+
+ DECRYPT_TWO_ROUNDS(16, 4, 6, 0, 2)
+2:
+ ldd [%o0 - 0xb0], %f12
+ ldd [%o0 - 0xa8], %f14
+ ldd [%o0 - 0xa0], %f16
+ ldd [%o0 - 0x98], %f18
+ ldd [%o0 - 0x90], %f20
+ ldd [%o0 - 0x88], %f22
+ ldd [%o0 - 0x80], %f24
+ ldd [%o0 - 0x78], %f26
+ ldd [%o0 - 0x70], %f28
+ ldd [%o0 - 0x68], %f30
+ ldd [%o0 - 0x60], %f32
+ ldd [%o0 - 0x58], %f34
+ ldd [%o0 - 0x50], %f36
+ ldd [%o0 - 0x48], %f38
+ ldd [%o0 - 0x40], %f40
+ ldd [%o0 - 0x38], %f42
+ ldd [%o0 - 0x30], %f44
+ ldd [%o0 - 0x28], %f46
+ ldd [%o0 - 0x20], %f48
+ ldd [%o0 - 0x18], %f50
+
+ DECRYPT_128(52, 4, 6, 0, 2)
+
+ st %f4, [%o2 + 0x00]
+ st %f5, [%o2 + 0x04]
+ st %f6, [%o2 + 0x08]
+ st %f7, [%o2 + 0x0c]
+
+ retl
+ VISExit
+ENDPROC(aes_sparc64_decrypt)
+
+ENTRY(aes_sparc64_load_decrypt_keys)
+ /* %o0=key */
+ ba,pt %xcc, aes_sparc64_load_encrypt_keys
+ sub %o0, 0x10, %o0
+ENDPROC(aes_sparc64_load_decrypt_keys)
+
+ENTRY(aes_sparc64_load_encrypt_keys)
+ /* %o0=key */
+ VISEntry
+ ldd [%o0 + 0x10], %f8
+ ldd [%o0 + 0x18], %f10
+ ldd [%o0 + 0x20], %f12
+ ldd [%o0 + 0x28], %f14
+ ldd [%o0 + 0x30], %f16
+ ldd [%o0 + 0x38], %f18
+ ldd [%o0 + 0x40], %f20
+ ldd [%o0 + 0x48], %f22
+ ldd [%o0 + 0x50], %f24
+ ldd [%o0 + 0x58], %f26
+ ldd [%o0 + 0x60], %f28
+ ldd [%o0 + 0x68], %f30
+ ldd [%o0 + 0x70], %f32
+ ldd [%o0 + 0x78], %f34
+ ldd [%o0 + 0x80], %f36
+ ldd [%o0 + 0x88], %f38
+ ldd [%o0 + 0x90], %f40
+ ldd [%o0 + 0x98], %f42
+ ldd [%o0 + 0xa0], %f44
+ ldd [%o0 + 0xa8], %f46
+ ldd [%o0 + 0xb0], %f48
+ ldd [%o0 + 0xb8], %f50
+ ldd [%o0 + 0xc0], %f52
+ ldd [%o0 + 0xc8], %f54
+ ldd [%o0 + 0xd0], %f56
+ ldd [%o0 + 0xd8], %f58
+ ldd [%o0 + 0xe0], %f60
+ retl
+ ldd [%o0 + 0xe8], %f62
+ENDPROC(aes_sparc64_load_encrypt_keys)
+
+ENTRY(aes_sparc64_ecb_encrypt)
+ /* %o0=key, %o1=input, %o2=output, %o3=key_len, %o4=len */
+ ldx [%o0 + 0x00], %g1
+ ldx [%o0 + 0x08], %g2
+ cmp %o3, 24
+ bl 2f
+ nop
+ be 1f
+ nop
+
+0:
+ /* 256-bit key */
+ ldx [%o1 + 0x00], %g3
+ ldx [%o1 + 0x08], %g7
+ add %o1, 0x10, %o1
+ xor %g1, %g3, %g3
+ xor %g2, %g7, %g7
+ MOVXTOD_G3_F4
+ MOVXTOD_G7_F6
+
+ ENCRYPT_256(8, 4, 6, 0, 2)
+
+ std %f4, [%o2 + 0x00]
+ std %f6, [%o2 + 0x08]
+ subcc %o4, 0x10, %o4
+ bne,pt %xcc, 0b
+ add %o2, 0x10, %o2
+
+ retl
+ nop
+
+1:
+ /* 192-bit key */
+ ldx [%o1 + 0x00], %g3
+ ldx [%o1 + 0x08], %g7
+ add %o1, 0x10, %o1
+ xor %g1, %g3, %g3
+ xor %g2, %g7, %g7
+ MOVXTOD_G3_F4
+ MOVXTOD_G7_F6
+
+ ENCRYPT_192(8, 4, 6, 0, 2)
+
+ std %f4, [%o2 + 0x00]
+ std %f6, [%o2 + 0x08]
+ subcc %o4, 0x10, %o4
+ bne,pt %xcc, 1b
+ add %o2, 0x10, %o2
+
+ retl
+ nop
+
+2:
+ /* 128-bit key */
+ ldx [%o1 + 0x00], %g3
+ ldx [%o1 + 0x08], %g7
+ add %o1, 0x10, %o1
+ xor %g1, %g3, %g3
+ xor %g2, %g7, %g7
+ MOVXTOD_G3_F4
+ MOVXTOD_G7_F6
+
+ ENCRYPT_128(8, 4, 6, 0, 2)
+
+ std %f4, [%o2 + 0x00]
+ std %f6, [%o2 + 0x08]
+ subcc %o4, 0x10, %o4
+ bne,pt %xcc, 2b
+ add %o2, 0x10, %o2
+
+ retl
+ nop
+ENDPROC(aes_sparc64_ecb_encrypt)
+
+ENTRY(aes_sparc64_ecb_decrypt)
+ /* %o0=&key[key_len], %o1=input, %o2=output, %o3=key_len, %o4=len, %o5=iv */
+ ldx [%o0 - 0x10], %g1
+ ldx [%o0 - 0x08], %g2
+ cmp %o3, 24
+ bl 2f
+ nop
+ be 1f
+ nop
+
+0:
+ /* 256-bit key */
+ ldx [%o1 + 0x00], %g3
+ ldx [%o1 + 0x08], %g7
+ add %o1, 0x10, %o1
+ xor %g1, %g3, %g3
+ xor %g2, %g7, %g7
+ MOVXTOD_G3_F4
+ MOVXTOD_G7_F6
+
+ DECRYPT_256(64, 4, 6, 0, 2)
+
+ std %f4, [%o2 + 0x00]
+ std %f6, [%o2 + 0x08]
+ subcc %o4, 0x10, %o4
+ bne,pt %xcc, 0b
+ add %o2, 0x10, %o2
+
+ retl
+ nop
+
+1:
+ /* 192-bit key */
+ ldx [%o1 + 0x00], %g3
+ ldx [%o1 + 0x08], %g7
+ add %o1, 0x10, %o1
+ xor %g1, %g3, %g3
+ xor %g2, %g7, %g7
+ MOVXTOD_G3_F4
+ MOVXTOD_G7_F6
+
+ DECRYPT_192(56, 4, 6, 0, 2)
+
+ std %f4, [%o2 + 0x00]
+ std %f6, [%o2 + 0x08]
+ subcc %o4, 0x10, %o4
+ bne,pt %xcc, 1b
+ add %o2, 0x10, %o2
+
+ retl
+ nop
+
+2:
+ /* 128-bit key */
+ ldx [%o1 + 0x00], %g3
+ ldx [%o1 + 0x08], %g7
+ add %o1, 0x10, %o1
+ xor %g1, %g3, %g3
+ xor %g2, %g7, %g7
+ MOVXTOD_G3_F4
+ MOVXTOD_G7_F6
+
+ DECRYPT_128(48, 4, 6, 0, 2)
+
+ std %f4, [%o2 + 0x00]
+ std %f6, [%o2 + 0x08]
+ subcc %o4, 0x10, %o4
+ bne,pt %xcc, 2b
+ add %o2, 0x10, %o2
+
+ retl
+ nop
+ENDPROC(aes_sparc64_ecb_decrypt)
+
+ENTRY(aes_sparc64_cbc_encrypt)
+ /* %o0=key, %o1=input, %o2=output, %o3=key_len, %o4=len */
+ ldd [%o5 + 0x00], %f4
+ ldd [%o5 + 0x08], %f6
+ ldx [%o0 + 0x00], %g1
+ ldx [%o0 + 0x08], %g2
+ cmp %o3, 24
+ bl 2f
+ nop
+ be 1f
+ nop
+
+0:
+ /* 256-bit key */
+ ldx [%o1 + 0x00], %g3
+ ldx [%o1 + 0x08], %g7
+ add %o1, 0x10, %o1
+ xor %g1, %g3, %g3
+ xor %g2, %g7, %g7
+ MOVXTOD_G3_F0
+ MOVXTOD_G7_F2
+ fxor %f4, %f0, %f4
+ fxor %f6, %f2, %f6
+
+ ENCRYPT_256(8, 4, 6, 0, 2)
+
+ std %f4, [%o2 + 0x00]
+ std %f6, [%o2 + 0x08]
+ subcc %o4, 0x10, %o4
+ bne,pt %xcc, 0b
+ add %o2, 0x10, %o2
+
+ std %f4, [%o5 + 0x00]
+ std %f6, [%o5 + 0x08]
+
+ retl
+ nop
+
+1:
+ /* 192-bit key */
+ ldx [%o1 + 0x00], %g3
+ ldx [%o1 + 0x08], %g7
+ add %o1, 0x10, %o1
+ xor %g1, %g3, %g3
+ xor %g2, %g7, %g7
+ MOVXTOD_G3_F0
+ MOVXTOD_G7_F2
+ fxor %f4, %f0, %f4
+ fxor %f6, %f2, %f6
+
+ ENCRYPT_192(8, 4, 6, 0, 2)
+
+ std %f4, [%o2 + 0x00]
+ std %f6, [%o2 + 0x08]
+ subcc %o4, 0x10, %o4
+ bne,pt %xcc, 1b
+ add %o2, 0x10, %o2
+
+ std %f4, [%o5 + 0x00]
+ std %f6, [%o5 + 0x08]
+
+ retl
+ nop
+
+2:
+ /* 128-bit key */
+ ldx [%o1 + 0x00], %g3
+ ldx [%o1 + 0x08], %g7
+ add %o1, 0x10, %o1
+ xor %g1, %g3, %g3
+ xor %g2, %g7, %g7
+ MOVXTOD_G3_F0
+ MOVXTOD_G7_F2
+ fxor %f4, %f0, %f4
+ fxor %f6, %f2, %f6
+
+ ENCRYPT_128(8, 4, 6, 0, 2)
+
+ std %f4, [%o2 + 0x00]
+ std %f6, [%o2 + 0x08]
+ subcc %o4, 0x10, %o4
+ bne,pt %xcc, 2b
+ add %o2, 0x10, %o2
+
+ std %f4, [%o5 + 0x00]
+ std %f6, [%o5 + 0x08]
+
+ retl
+ nop
+ENDPROC(aes_sparc64_cbc_encrypt)
+
+ENTRY(aes_sparc64_cbc_decrypt)
+ /* %o0=&key[key_len], %o1=key_len, %o2=input, %o3=output, %o4=len, %o5=iv */
+ ldx [%o0 - 0x10], %g1
+ ldx [%o0 - 0x08], %g2
+ cmp %o1, 24
+ ldx [%o5 + 0x00], %o0
+ bl 2f
+ ldx [%o5 + 0x08], %o1
+ be 1f
+ nop
+
+0:
+ /* 256-bit key */
+ ldx [%o2 + 0x00], %g3
+ ldx [%o2 + 0x08], %g7
+ add %o2, 0x10, %o2
+ xor %g1, %g3, %g3
+ xor %g2, %g7, %g7
+ MOVXTOD_G3_F4
+ MOVXTOD_G7_F6
+
+ DECRYPT_256(64, 4, 6, 0, 2)
+
+ MOVXTOD_O0_F0
+ MOVXTOD_O1_F2
+ xor %g1, %g3, %o0
+ xor %g2, %g7, %o1
+ fxor %f4, %f0, %f4
+ fxor %f6, %f2, %f6
+
+ std %f4, [%o3 + 0x00]
+ std %f6, [%o3 + 0x08]
+ subcc %o4, 0x10, %o4
+ bne,pt %xcc, 0b
+ add %o3, 0x10, %o3
+
+ stx %o0, [%o5 + 0x00]
+ stx %o1, [%o5 + 0x08]
+
+ retl
+ nop
+
+1:
+ /* 192-bit key */
+ ldx [%o2 + 0x00], %g3
+ ldx [%o2 + 0x08], %g7
+ add %o2, 0x10, %o2
+ xor %g1, %g3, %g3
+ xor %g2, %g7, %g7
+ MOVXTOD_G3_F4
+ MOVXTOD_G7_F6
+
+ DECRYPT_192(56, 4, 6, 0, 2)
+
+ MOVXTOD_O0_F0
+ MOVXTOD_O1_F2
+ xor %g1, %g3, %o0
+ xor %g2, %g7, %o1
+ fxor %f4, %f0, %f4
+ fxor %f6, %f2, %f6
+
+ std %f4, [%o3 + 0x00]
+ std %f6, [%o3 + 0x08]
+ subcc %o4, 0x10, %o4
+ bne,pt %xcc, 1b
+ add %o3, 0x10, %o3
+
+ stx %o0, [%o5 + 0x00]
+ stx %o1, [%o5 + 0x08]
+
+ retl
+ nop
+
+2:
+ /* 128-bit key */
+ ldx [%o2 + 0x00], %g3
+ ldx [%o2 + 0x08], %g7
+ add %o2, 0x10, %o2
+ xor %g1, %g3, %g3
+ xor %g2, %g7, %g7
+ MOVXTOD_G3_F4
+ MOVXTOD_G7_F6
+
+ DECRYPT_128(48, 4, 6, 0, 2)
+
+ MOVXTOD_O0_F0
+ MOVXTOD_O1_F2
+ xor %g1, %g3, %o0
+ xor %g2, %g7, %o1
+ fxor %f4, %f0, %f4
+ fxor %f6, %f2, %f6
+
+ std %f4, [%o3 + 0x00]
+ std %f6, [%o3 + 0x08]
+ subcc %o4, 0x10, %o4
+ bne,pt %xcc, 2b
+ add %o3, 0x10, %o3
+
+ stx %o0, [%o5 + 0x00]
+ stx %o1, [%o5 + 0x08]
+
+ retl
+ nop
+ENDPROC(aes_sparc64_cbc_decrypt)
diff --git a/arch/sparc/crypto/aes_glue.c b/arch/sparc/crypto/aes_glue.c
new file mode 100644
index 0000000..a87c5fa
--- /dev/null
+++ b/arch/sparc/crypto/aes_glue.c
@@ -0,0 +1,323 @@
+/* Glue code for AES encryption optimized for sparc64 crypto opcodes.
+ *
+ * This is based largely upon arch/x86/crypto/aesni-intel_glue.c
+ *
+ * Copyright (C) 2008, Intel Corp.
+ * Author: Huang Ying <ying.huang@xxxxxxxxx>
+ *
+ * Added RFC4106 AES-GCM support for 128-bit keys under the AEAD
+ * interface for 64-bit kernels.
+ * Authors: Adrian Hoban <adrian.hoban@xxxxxxxxx>
+ * Gabriele Paoloni <gabriele.paoloni@xxxxxxxxx>
+ * Tadeusz Struk (tadeusz.struk@xxxxxxxxx)
+ * Aidan O'Mahony (aidan.o.mahony@xxxxxxxxx)
+ * Copyright (c) 2010, Intel Corporation.
+ */
+
+#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/aes.h>
+
+#include <asm/fpumacro.h>
+#include <asm/pstate.h>
+#include <asm/elf.h>
+
+struct crypto_sparc64_aes_ctx {
+ u64 key[AES_MAX_KEYLENGTH / sizeof(u64)];
+ u32 key_length;
+ u32 expanded_key_length;
+};
+
+extern void aes_sparc64_key_expand(const u32 *in_key, u64 *output_key,
+ unsigned int key_len);
+
+static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
+ unsigned int key_len)
+{
+ struct crypto_sparc64_aes_ctx *ctx = crypto_tfm_ctx(tfm);
+ u32 *flags = &tfm->crt_flags;
+
+ switch (key_len) {
+ case AES_KEYSIZE_128:
+ ctx->expanded_key_length = 0xb0;
+ break;
+
+ case AES_KEYSIZE_192:
+ ctx->expanded_key_length = 0xd0;
+ break;
+
+ case AES_KEYSIZE_256:
+ ctx->expanded_key_length = 0xf0;
+ break;
+
+ default:
+ *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
+ return -EINVAL;
+ }
+
+ aes_sparc64_key_expand((const u32 *)in_key, &ctx->key[0], key_len);
+ ctx->key_length = key_len;
+
+ return 0;
+}
+
+extern void aes_sparc64_encrypt(const u64 *key, const u32 *input,
+ u32 *output, unsigned int key_len);
+
+static void aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+ struct crypto_sparc64_aes_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ aes_sparc64_encrypt(&ctx->key[0], (const u32 *) src,
+ (u32 *) dst, ctx->key_length);
+}
+
+extern void aes_sparc64_decrypt(const u64 *key, const u32 *input,
+ u32 *output, unsigned int key_len,
+ unsigned int expanded_key_len);
+
+static void aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+ struct crypto_sparc64_aes_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ aes_sparc64_decrypt(&ctx->key[0], (const u32 *) src,
+ (u32 *) dst, ctx->key_length,
+ ctx->expanded_key_length);
+}
+
+extern void aes_sparc64_load_encrypt_keys(u64 *key);
+extern void aes_sparc64_load_decrypt_keys(u64 *key);
+
+#define AES_BLOCK_MASK (~(AES_BLOCK_SIZE-1))
+
+extern void aes_sparc64_ecb_encrypt(u64 *key, const u32 *input, u32 *output,
+ unsigned int key_len, unsigned int len);
+
+static int ecb_encrypt(struct blkcipher_desc *desc,
+ struct scatterlist *dst, struct scatterlist *src,
+ unsigned int nbytes)
+{
+ struct crypto_sparc64_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
+ struct blkcipher_walk walk;
+ int err;
+
+ blkcipher_walk_init(&walk, dst, src, nbytes);
+ err = blkcipher_walk_virt(desc, &walk);
+
+ aes_sparc64_load_encrypt_keys(&ctx->key[0]);
+ while ((nbytes = walk.nbytes)) {
+ unsigned int block_len = nbytes & AES_BLOCK_MASK;
+
+ if (likely(block_len)) {
+ aes_sparc64_ecb_encrypt(&ctx->key[0],
+ (const u32 *)walk.src.virt.addr,
+ (u32 *) walk.dst.virt.addr,
+ ctx->key_length, block_len);
+ }
+ nbytes &= AES_BLOCK_SIZE - 1;
+ err = blkcipher_walk_done(desc, &walk, nbytes);
+ }
+ fprs_write(0);
+ return err;
+}
+
+extern void aes_sparc64_ecb_decrypt(u64 *ekey, const u32 *input, u32 *output,
+ unsigned int key_len, unsigned int len);
+
+static int ecb_decrypt(struct blkcipher_desc *desc,
+ struct scatterlist *dst, struct scatterlist *src,
+ unsigned int nbytes)
+{
+ struct crypto_sparc64_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
+ struct blkcipher_walk walk;
+ u64 *key_end;
+ int err;
+
+ blkcipher_walk_init(&walk, dst, src, nbytes);
+ err = blkcipher_walk_virt(desc, &walk);
+
+ aes_sparc64_load_decrypt_keys(&ctx->key[0]);
+ key_end = &ctx->key[ctx->expanded_key_length / sizeof(u64)];
+ while ((nbytes = walk.nbytes)) {
+ unsigned int block_len = nbytes & AES_BLOCK_MASK;
+
+ aes_sparc64_ecb_decrypt(key_end, (const u32 *) walk.src.virt.addr,
+ (u32 *) walk.dst.virt.addr, ctx->key_length,
+ block_len);
+ nbytes &= AES_BLOCK_SIZE - 1;
+ err = blkcipher_walk_done(desc, &walk, nbytes);
+ }
+ fprs_write(0);
+
+ return err;
+}
+
+extern void aes_sparc64_cbc_encrypt(u64 *key, const u32 *input, u32 *output,
+ unsigned int key_len, unsigned int len,
+ u64 *iv);
+
+static int cbc_encrypt(struct blkcipher_desc *desc,
+ struct scatterlist *dst, struct scatterlist *src,
+ unsigned int nbytes)
+{
+ struct crypto_sparc64_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
+ struct blkcipher_walk walk;
+ int err;
+
+ blkcipher_walk_init(&walk, dst, src, nbytes);
+ err = blkcipher_walk_virt(desc, &walk);
+
+ aes_sparc64_load_encrypt_keys(&ctx->key[0]);
+ while ((nbytes = walk.nbytes)) {
+ unsigned int block_len = nbytes & AES_BLOCK_MASK;
+
+ if (likely(block_len)) {
+ aes_sparc64_cbc_encrypt(&ctx->key[0],
+ (const u32 *)walk.src.virt.addr,
+ (u32 *) walk.dst.virt.addr,
+ ctx->key_length, block_len,
+ (u64 *) walk.iv);
+ }
+ nbytes &= AES_BLOCK_SIZE - 1;
+ err = blkcipher_walk_done(desc, &walk, nbytes);
+ }
+ fprs_write(0);
+ return err;
+}
+
+extern void aes_sparc64_cbc_decrypt(u64 *ekey, unsigned int key_len,
+ const u32 *input, u32 *output,
+ unsigned int len, u64 *iv);
+
+static int cbc_decrypt(struct blkcipher_desc *desc,
+ struct scatterlist *dst, struct scatterlist *src,
+ unsigned int nbytes)
+{
+ struct crypto_sparc64_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
+ struct blkcipher_walk walk;
+ u64 *key_end;
+ int err;
+
+ blkcipher_walk_init(&walk, dst, src, nbytes);
+ err = blkcipher_walk_virt(desc, &walk);
+
+ aes_sparc64_load_decrypt_keys(&ctx->key[0]);
+ key_end = &ctx->key[ctx->expanded_key_length / sizeof(u64)];
+ while ((nbytes = walk.nbytes)) {
+ unsigned int block_len = nbytes & AES_BLOCK_MASK;
+
+ aes_sparc64_cbc_decrypt(key_end, ctx->key_length,
+ (const u32 *) walk.src.virt.addr,
+ (u32 *) walk.dst.virt.addr,
+ block_len, (u64 *) walk.iv);
+ nbytes &= AES_BLOCK_SIZE - 1;
+ err = blkcipher_walk_done(desc, &walk, nbytes);
+ }
+ fprs_write(0);
+
+ return err;
+}
+
+static struct crypto_alg algs[] = { {
+ .cra_name = "aes",
+ .cra_driver_name = "aes-sparc64",
+ .cra_priority = 150,
+ .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct crypto_sparc64_aes_ctx),
+ .cra_alignmask = 3,
+ .cra_module = THIS_MODULE,
+ .cra_u = {
+ .cipher = {
+ .cia_min_keysize = AES_MIN_KEY_SIZE,
+ .cia_max_keysize = AES_MAX_KEY_SIZE,
+ .cia_setkey = aes_set_key,
+ .cia_encrypt = aes_encrypt,
+ .cia_decrypt = aes_decrypt
+ }
+ }
+}, {
+ .cra_name = "ecb(aes)",
+ .cra_driver_name = "ecb-aes-sparc64",
+ .cra_priority = 150,
+ .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct crypto_sparc64_aes_ctx),
+ .cra_alignmask = 7,
+ .cra_type = &crypto_blkcipher_type,
+ .cra_module = THIS_MODULE,
+ .cra_u = {
+ .blkcipher = {
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = aes_set_key,
+ .encrypt = ecb_encrypt,
+ .decrypt = ecb_decrypt,
+ },
+ },
+}, {
+ .cra_name = "cbc(aes)",
+ .cra_driver_name = "cbc-aes-sparc64",
+ .cra_priority = 150,
+ .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct crypto_sparc64_aes_ctx),
+ .cra_alignmask = 7,
+ .cra_type = &crypto_blkcipher_type,
+ .cra_module = THIS_MODULE,
+ .cra_u = {
+ .blkcipher = {
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = aes_set_key,
+ .encrypt = cbc_encrypt,
+ .decrypt = cbc_decrypt,
+ },
+ },
+} };
+
+static bool __init sparc64_has_aes_opcode(void)
+{
+ unsigned long cfr;
+
+ if (!(sparc64_elf_hwcap & HWCAP_SPARC_CRYPTO))
+ return false;
+
+ __asm__ __volatile__("rd %%asr26, %0" : "=r" (cfr));
+ if (!(cfr & CFR_AES))
+ return false;
+
+ return true;
+}
+
+static int __init aes_sparc64_mod_init(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(algs); i++)
+ INIT_LIST_HEAD(&algs[i].cra_list);
+
+ if (sparc64_has_aes_opcode()) {
+ pr_info("Using sparc64 aes opcodes optimized AES implementation\n");
+ return crypto_register_algs(algs, ARRAY_SIZE(algs));
+ }
+ pr_info("sparc64 aes opcodes not available.\n");
+ return -ENODEV;
+}
+
+static void __exit aes_sparc64_mod_fini(void)
+{
+ crypto_unregister_algs(algs, ARRAY_SIZE(algs));
+}
+
+module_init(aes_sparc64_mod_init);
+module_exit(aes_sparc64_mod_fini);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("AES Secure Hash Algorithm, sparc64 aes opcode accelerated");
+
+MODULE_ALIAS("aes");
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 4cb1ab0..49f867b 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -624,6 +624,34 @@ config CRYPTO_AES_NI_INTEL
ECB, CBC, LRW, PCBC, XTS. The 64 bit version has additional
acceleration for CTR.
+config CRYPTO_AES_SPARC64
+ tristate "AES cipher algorithms (SPARC64)"
+ depends on SPARC64
+ select CRYPTO_CRYPTD
+ select CRYPTO_ALGAPI
+ help
+ Use SPARC64 crypto opcodes for AES algorithm.
+
+ AES cipher algorithms (FIPS-197). AES uses the Rijndael
+ algorithm.
+
+ Rijndael appears to be consistently a very good performer in
+ both hardware and software across a wide range of computing
+ environments regardless of its use in feedback or non-feedback
+ modes. Its key setup time is excellent, and its key agility is
+ good. Rijndael's very low memory requirements make it very well
+ suited for restricted-space environments, in which it also
+ demonstrates excellent performance. Rijndael's operations are
+ among the easiest to defend against power and timing attacks.
+
+ The AES specifies three key sizes: 128, 192 and 256 bits
+
+ See <http://csrc.nist.gov/encryption/aes/> for more information.
+
+ In addition to AES cipher algorithm support, the acceleration
+ for some popular block cipher mode is supported too, including
+ ECB and CBC.
+
config CRYPTO_ANUBIS
tristate "Anubis cipher algorithm"
select CRYPTO_ALGAPI
--
1.7.10.4
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