1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (C) 2023 WANG Xuerui <git@xen0n.name>
4 */
5#ifndef _ASM_LOONGARCH_XOR_H
6#define _ASM_LOONGARCH_XOR_H
7
8#include <asm/cpu-features.h>
9#include <asm/xor_simd.h>
10
11#ifdef CONFIG_CPU_HAS_LSX
12static struct xor_block_template xor_block_lsx = {
13	.name = "lsx",
14	.do_2 = xor_lsx_2,
15	.do_3 = xor_lsx_3,
16	.do_4 = xor_lsx_4,
17	.do_5 = xor_lsx_5,
18};
19
20#define XOR_SPEED_LSX()					\
21	do {						\
22		if (cpu_has_lsx)			\
23			xor_speed(&xor_block_lsx);	\
24	} while (0)
25#else /* CONFIG_CPU_HAS_LSX */
26#define XOR_SPEED_LSX()
27#endif /* CONFIG_CPU_HAS_LSX */
28
29#ifdef CONFIG_CPU_HAS_LASX
30static struct xor_block_template xor_block_lasx = {
31	.name = "lasx",
32	.do_2 = xor_lasx_2,
33	.do_3 = xor_lasx_3,
34	.do_4 = xor_lasx_4,
35	.do_5 = xor_lasx_5,
36};
37
38#define XOR_SPEED_LASX()					\
39	do {							\
40		if (cpu_has_lasx)				\
41			xor_speed(&xor_block_lasx);		\
42	} while (0)
43#else /* CONFIG_CPU_HAS_LASX */
44#define XOR_SPEED_LASX()
45#endif /* CONFIG_CPU_HAS_LASX */
46
47/*
48 * For grins, also test the generic routines.
49 *
50 * More importantly: it cannot be ruled out at this point of time, that some
51 * future (maybe reduced) models could run the vector algorithms slower than
52 * the scalar ones, maybe for errata or micro-op reasons. It may be
53 * appropriate to revisit this after one or two more uarch generations.
54 */
55#include <asm-generic/xor.h>
56
57#undef XOR_TRY_TEMPLATES
58#define XOR_TRY_TEMPLATES				\
59do {							\
60	xor_speed(&xor_block_8regs);			\
61	xor_speed(&xor_block_8regs_p);			\
62	xor_speed(&xor_block_32regs);			\
63	xor_speed(&xor_block_32regs_p);			\
64	XOR_SPEED_LSX();				\
65	XOR_SPEED_LASX();				\
66} while (0)
67
68#endif /* _ASM_LOONGARCH_XOR_H */
69