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/* 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
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