xref: /linux/lib/raid/raid6/riscv/rvv.h (revision bba2c3615bd6cfee7456d1130f2e6b01b3f4e9ba)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Copyright 2024 Institute of Software, CAS.
4  *
5  * Definitions for RISC-V RAID-6 code
6  */
7 
8 #include <asm/vector.h>
9 #include "algos.h"
10 
11 #define RAID6_RVV_WRAPPER(_n)						\
12 	static void raid6_rvv ## _n ## _gen_syndrome(int disks,		\
13 					size_t bytes, void **ptrs)	\
14 	{								\
15 		void raid6_rvv ## _n  ## _gen_syndrome_real(int d,	\
16 					unsigned long b, void **p);	\
17 		kernel_vector_begin();					\
18 		raid6_rvv ## _n ## _gen_syndrome_real(disks,		\
19 				(unsigned long)bytes, ptrs);		\
20 		kernel_vector_end();					\
21 	}								\
22 	static void raid6_rvv ## _n ## _xor_syndrome(int disks,		\
23 					int start, int stop,		\
24 					size_t bytes, void **ptrs)	\
25 	{								\
26 		void raid6_rvv ## _n  ## _xor_syndrome_real(int d,	\
27 					int s1, int s2,			\
28 					unsigned long b, void **p);	\
29 		kernel_vector_begin();					\
30 		raid6_rvv ## _n ## _xor_syndrome_real(disks,		\
31 			start, stop, (unsigned long)bytes, ptrs);	\
32 		kernel_vector_end();					\
33 	}								\
34 	struct raid6_calls const raid6_rvvx ## _n = {			\
35 		.gen_syndrome	= raid6_rvv ## _n ## _gen_syndrome,	\
36 		.xor_syndrome	= raid6_rvv ## _n ## _xor_syndrome,	\
37 		.name		= "rvvx" #_n,				\
38 	}
39