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authorLinus Torvalds <torvalds@linux-foundation.org>2012-12-15 12:35:19 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-12-15 12:35:19 -0800
commit1ed55eac3b1fc30b29cdb52251e0f13b24fc344c (patch)
treeb7a4c67f2e29f8aa418708c5da871e64c511f3ff /arch/x86/crypto/glue_helper-asm-avx.S
parent08242bc2210938761230f79c5288dbcf72e94808 (diff)
parenta2c0911c09190125f52c9941b9d187f601c2f7be (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu: - Added aesni/avx/x86_64 implementations for camellia. - Optimised AVX code for cast5/serpent/twofish/cast6. - Fixed vmac bug with unaligned input. - Allow compression algorithms in FIPS mode. - Optimised crc32c implementation for Intel. - Misc fixes. * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (32 commits) crypto: caam - Updated SEC-4.0 device tree binding for ERA information. crypto: testmgr - remove superfluous initializers for xts(aes) crypto: testmgr - allow compression algs in fips mode crypto: testmgr - add larger crc32c test vector to test FPU path in crc32c_intel crypto: testmgr - clean alg_test_null entries in alg_test_descs[] crypto: testmgr - remove fips_allowed flag from camellia-aesni null-tests crypto: cast5/cast6 - move lookup tables to shared module padata: use __this_cpu_read per-cpu helper crypto: s5p-sss - Fix compilation error crypto: picoxcell - Add terminating entry for platform_device_id table crypto: omap-aes - select BLKCIPHER2 crypto: camellia - add AES-NI/AVX/x86_64 assembler implementation of camellia cipher crypto: camellia-x86_64 - share common functions and move structures and function definitions to header file crypto: tcrypt - add async speed test for camellia cipher crypto: tegra-aes - fix error-valued pointer dereference crypto: tegra - fix missing unlock on error case crypto: cast5/avx - avoid using temporary stack buffers crypto: serpent/avx - avoid using temporary stack buffers crypto: twofish/avx - avoid using temporary stack buffers crypto: cast6/avx - avoid using temporary stack buffers ...
Diffstat (limited to 'arch/x86/crypto/glue_helper-asm-avx.S')
-rw-r--r--arch/x86/crypto/glue_helper-asm-avx.S91
1 files changed, 91 insertions, 0 deletions
diff --git a/arch/x86/crypto/glue_helper-asm-avx.S b/arch/x86/crypto/glue_helper-asm-avx.S
new file mode 100644
index 00000000000..f7b6ea2ddfd
--- /dev/null
+++ b/arch/x86/crypto/glue_helper-asm-avx.S
@@ -0,0 +1,91 @@
+/*
+ * Shared glue code for 128bit block ciphers, AVX assembler macros
+ *
+ * Copyright (c) 2012 Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#define load_8way(src, x0, x1, x2, x3, x4, x5, x6, x7) \
+ vmovdqu (0*16)(src), x0; \
+ vmovdqu (1*16)(src), x1; \
+ vmovdqu (2*16)(src), x2; \
+ vmovdqu (3*16)(src), x3; \
+ vmovdqu (4*16)(src), x4; \
+ vmovdqu (5*16)(src), x5; \
+ vmovdqu (6*16)(src), x6; \
+ vmovdqu (7*16)(src), x7;
+
+#define store_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7) \
+ vmovdqu x0, (0*16)(dst); \
+ vmovdqu x1, (1*16)(dst); \
+ vmovdqu x2, (2*16)(dst); \
+ vmovdqu x3, (3*16)(dst); \
+ vmovdqu x4, (4*16)(dst); \
+ vmovdqu x5, (5*16)(dst); \
+ vmovdqu x6, (6*16)(dst); \
+ vmovdqu x7, (7*16)(dst);
+
+#define store_cbc_8way(src, dst, x0, x1, x2, x3, x4, x5, x6, x7) \
+ vpxor (0*16)(src), x1, x1; \
+ vpxor (1*16)(src), x2, x2; \
+ vpxor (2*16)(src), x3, x3; \
+ vpxor (3*16)(src), x4, x4; \
+ vpxor (4*16)(src), x5, x5; \
+ vpxor (5*16)(src), x6, x6; \
+ vpxor (6*16)(src), x7, x7; \
+ store_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7);
+
+#define inc_le128(x, minus_one, tmp) \
+ vpcmpeqq minus_one, x, tmp; \
+ vpsubq minus_one, x, x; \
+ vpslldq $8, tmp, tmp; \
+ vpsubq tmp, x, x;
+
+#define load_ctr_8way(iv, bswap, x0, x1, x2, x3, x4, x5, x6, x7, t0, t1, t2) \
+ vpcmpeqd t0, t0, t0; \
+ vpsrldq $8, t0, t0; /* low: -1, high: 0 */ \
+ vmovdqa bswap, t1; \
+ \
+ /* load IV and byteswap */ \
+ vmovdqu (iv), x7; \
+ vpshufb t1, x7, x0; \
+ \
+ /* construct IVs */ \
+ inc_le128(x7, t0, t2); \
+ vpshufb t1, x7, x1; \
+ inc_le128(x7, t0, t2); \
+ vpshufb t1, x7, x2; \
+ inc_le128(x7, t0, t2); \
+ vpshufb t1, x7, x3; \
+ inc_le128(x7, t0, t2); \
+ vpshufb t1, x7, x4; \
+ inc_le128(x7, t0, t2); \
+ vpshufb t1, x7, x5; \
+ inc_le128(x7, t0, t2); \
+ vpshufb t1, x7, x6; \
+ inc_le128(x7, t0, t2); \
+ vmovdqa x7, t2; \
+ vpshufb t1, x7, x7; \
+ inc_le128(t2, t0, t1); \
+ vmovdqu t2, (iv);
+
+#define store_ctr_8way(src, dst, x0, x1, x2, x3, x4, x5, x6, x7) \
+ vpxor (0*16)(src), x0, x0; \
+ vpxor (1*16)(src), x1, x1; \
+ vpxor (2*16)(src), x2, x2; \
+ vpxor (3*16)(src), x3, x3; \
+ vpxor (4*16)(src), x4, x4; \
+ vpxor (5*16)(src), x5, x5; \
+ vpxor (6*16)(src), x6, x6; \
+ vpxor (7*16)(src), x7, x7; \
+ store_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7);