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| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
|---|---|
| 2 | /* |
| 3 | * arch/arm64/include/asm/xor.h |
| 4 | * |
| 5 | * Authors: Jackie Liu <liuyun01@kylinos.cn> |
| 6 | * Copyright (C) 2018,Tianjin KYLIN Information Technology Co., Ltd. |
| 7 | */ |
| 8 | |
| 9 | #include <linux/hardirq.h> |
| 10 | #include <asm-generic/xor.h> |
| 11 | #include <asm/hwcap.h> |
| 12 | #include <asm/simd.h> |
| 13 | |
| 14 | #ifdef CONFIG_KERNEL_MODE_NEON |
| 15 | |
| 16 | extern struct xor_block_template const xor_block_inner_neon; |
| 17 | |
| 18 | static void |
| 19 | xor_neon_2(unsigned long bytes, unsigned long * __restrict p1, |
| 20 | const unsigned long * __restrict p2) |
| 21 | { |
| 22 | scoped_ksimd() |
| 23 | xor_block_inner_neon.do_2(bytes, p1, p2); |
| 24 | } |
| 25 | |
| 26 | static void |
| 27 | xor_neon_3(unsigned long bytes, unsigned long * __restrict p1, |
| 28 | const unsigned long * __restrict p2, |
| 29 | const unsigned long * __restrict p3) |
| 30 | { |
| 31 | scoped_ksimd() |
| 32 | xor_block_inner_neon.do_3(bytes, p1, p2, p3); |
| 33 | } |
| 34 | |
| 35 | static void |
| 36 | xor_neon_4(unsigned long bytes, unsigned long * __restrict p1, |
| 37 | const unsigned long * __restrict p2, |
| 38 | const unsigned long * __restrict p3, |
| 39 | const unsigned long * __restrict p4) |
| 40 | { |
| 41 | scoped_ksimd() |
| 42 | xor_block_inner_neon.do_4(bytes, p1, p2, p3, p4); |
| 43 | } |
| 44 | |
| 45 | static void |
| 46 | xor_neon_5(unsigned long bytes, unsigned long * __restrict p1, |
| 47 | const unsigned long * __restrict p2, |
| 48 | const unsigned long * __restrict p3, |
| 49 | const unsigned long * __restrict p4, |
| 50 | const unsigned long * __restrict p5) |
| 51 | { |
| 52 | scoped_ksimd() |
| 53 | xor_block_inner_neon.do_5(bytes, p1, p2, p3, p4, p5); |
| 54 | } |
| 55 | |
| 56 | static struct xor_block_template xor_block_arm64 = { |
| 57 | .name = "arm64_neon", |
| 58 | .do_2 = xor_neon_2, |
| 59 | .do_3 = xor_neon_3, |
| 60 | .do_4 = xor_neon_4, |
| 61 | .do_5 = xor_neon_5 |
| 62 | }; |
| 63 | #undef XOR_TRY_TEMPLATES |
| 64 | #define XOR_TRY_TEMPLATES \ |
| 65 | do { \ |
| 66 | xor_speed(&xor_block_8regs); \ |
| 67 | xor_speed(&xor_block_32regs); \ |
| 68 | if (cpu_has_neon()) { \ |
| 69 | xor_speed(&xor_block_arm64);\ |
| 70 | } \ |
| 71 | } while (0) |
| 72 | |
| 73 | #endif /* ! CONFIG_KERNEL_MODE_NEON */ |
| 74 |
Warning: This file is not a C or C++ file. It does not have highlighting.