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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /arch/x86/crypto/glue_helper-asm-avx.S
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/crypto/glue_helper-asm-avx.S')
-rw-r--r--arch/x86/crypto/glue_helper-asm-avx.S140
1 files changed, 140 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
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+++ b/arch/x86/crypto/glue_helper-asm-avx.S
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Shared glue code for 128bit block ciphers, AVX assembler macros
+ *
+ * Copyright © 2012-2013 Jussi Kivilinna <jussi.kivilinna@iki.fi>
+ */
+
+#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);
+
+#define gf128mul_x_ble(iv, mask, tmp) \
+ vpsrad $31, iv, tmp; \
+ vpaddq iv, iv, iv; \
+ vpshufd $0x13, tmp, tmp; \
+ vpand mask, tmp, tmp; \
+ vpxor tmp, iv, iv;
+
+#define load_xts_8way(iv, src, dst, x0, x1, x2, x3, x4, x5, x6, x7, tiv, t0, \
+ t1, xts_gf128mul_and_shl1_mask) \
+ vmovdqa xts_gf128mul_and_shl1_mask, t0; \
+ \
+ /* load IV */ \
+ vmovdqu (iv), tiv; \
+ vpxor (0*16)(src), tiv, x0; \
+ vmovdqu tiv, (0*16)(dst); \
+ \
+ /* construct and store IVs, also xor with source */ \
+ gf128mul_x_ble(tiv, t0, t1); \
+ vpxor (1*16)(src), tiv, x1; \
+ vmovdqu tiv, (1*16)(dst); \
+ \
+ gf128mul_x_ble(tiv, t0, t1); \
+ vpxor (2*16)(src), tiv, x2; \
+ vmovdqu tiv, (2*16)(dst); \
+ \
+ gf128mul_x_ble(tiv, t0, t1); \
+ vpxor (3*16)(src), tiv, x3; \
+ vmovdqu tiv, (3*16)(dst); \
+ \
+ gf128mul_x_ble(tiv, t0, t1); \
+ vpxor (4*16)(src), tiv, x4; \
+ vmovdqu tiv, (4*16)(dst); \
+ \
+ gf128mul_x_ble(tiv, t0, t1); \
+ vpxor (5*16)(src), tiv, x5; \
+ vmovdqu tiv, (5*16)(dst); \
+ \
+ gf128mul_x_ble(tiv, t0, t1); \
+ vpxor (6*16)(src), tiv, x6; \
+ vmovdqu tiv, (6*16)(dst); \
+ \
+ gf128mul_x_ble(tiv, t0, t1); \
+ vpxor (7*16)(src), tiv, x7; \
+ vmovdqu tiv, (7*16)(dst); \
+ \
+ gf128mul_x_ble(tiv, t0, t1); \
+ vmovdqu tiv, (iv);
+
+#define store_xts_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7) \
+ vpxor (0*16)(dst), x0, x0; \
+ vpxor (1*16)(dst), x1, x1; \
+ vpxor (2*16)(dst), x2, x2; \
+ vpxor (3*16)(dst), x3, x3; \
+ vpxor (4*16)(dst), x4, x4; \
+ vpxor (5*16)(dst), x5, x5; \
+ vpxor (6*16)(dst), x6, x6; \
+ vpxor (7*16)(dst), x7, x7; \
+ store_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7);