69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Copyright (C) 2021 SiFive
|
|
*/
|
|
|
|
#include <linux/hardirq.h>
|
|
#include <asm-generic/xor.h>
|
|
#ifdef CONFIG_RISCV_ISA_V
|
|
#include <asm/vector.h>
|
|
#include <asm/switch_to.h>
|
|
#include <asm/asm-prototypes.h>
|
|
|
|
static void xor_vector_2(unsigned long bytes, unsigned long *__restrict p1,
|
|
const unsigned long *__restrict p2)
|
|
{
|
|
kernel_vector_begin();
|
|
xor_regs_2_(bytes, p1, p2);
|
|
kernel_vector_end();
|
|
}
|
|
|
|
static void xor_vector_3(unsigned long bytes, unsigned long *__restrict p1,
|
|
const unsigned long *__restrict p2,
|
|
const unsigned long *__restrict p3)
|
|
{
|
|
kernel_vector_begin();
|
|
xor_regs_3_(bytes, p1, p2, p3);
|
|
kernel_vector_end();
|
|
}
|
|
|
|
static void xor_vector_4(unsigned long bytes, unsigned long *__restrict p1,
|
|
const unsigned long *__restrict p2,
|
|
const unsigned long *__restrict p3,
|
|
const unsigned long *__restrict p4)
|
|
{
|
|
kernel_vector_begin();
|
|
xor_regs_4_(bytes, p1, p2, p3, p4);
|
|
kernel_vector_end();
|
|
}
|
|
|
|
static void xor_vector_5(unsigned long bytes, unsigned long *__restrict p1,
|
|
const unsigned long *__restrict p2,
|
|
const unsigned long *__restrict p3,
|
|
const unsigned long *__restrict p4,
|
|
const unsigned long *__restrict p5)
|
|
{
|
|
kernel_vector_begin();
|
|
xor_regs_5_(bytes, p1, p2, p3, p4, p5);
|
|
kernel_vector_end();
|
|
}
|
|
|
|
static struct xor_block_template xor_block_rvv = {
|
|
.name = "rvv",
|
|
.do_2 = xor_vector_2,
|
|
.do_3 = xor_vector_3,
|
|
.do_4 = xor_vector_4,
|
|
.do_5 = xor_vector_5
|
|
};
|
|
|
|
#undef XOR_TRY_TEMPLATES
|
|
#define XOR_TRY_TEMPLATES \
|
|
do { \
|
|
xor_speed(&xor_block_8regs); \
|
|
xor_speed(&xor_block_32regs); \
|
|
if (has_vector()) { \
|
|
xor_speed(&xor_block_rvv);\
|
|
} \
|
|
} while (0)
|
|
#endif
|