1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2022 Ventana Micro Systems Inc.
4 */
5
6#include <linux/export.h>
7#include <linux/libnvdimm.h>
8
9#include <asm/cacheflush.h>
10#include <asm/dma-noncoherent.h>
11
12void arch_wb_cache_pmem(void *addr, size_t size)
13{
14#ifdef CONFIG_RISCV_NONSTANDARD_CACHE_OPS
15	if (unlikely(noncoherent_cache_ops.wback)) {
16		noncoherent_cache_ops.wback(virt_to_phys(addr), size);
17		return;
18	}
19#endif
20	ALT_CMO_OP(CLEAN, addr, size, riscv_cbom_block_size);
21}
22EXPORT_SYMBOL_GPL(arch_wb_cache_pmem);
23
24void arch_invalidate_pmem(void *addr, size_t size)
25{
26#ifdef CONFIG_RISCV_NONSTANDARD_CACHE_OPS
27	if (unlikely(noncoherent_cache_ops.inv)) {
28		noncoherent_cache_ops.inv(virt_to_phys(addr), size);
29		return;
30	}
31#endif
32	ALT_CMO_OP(INVAL, addr, size, riscv_cbom_block_size);
33}
34EXPORT_SYMBOL_GPL(arch_invalidate_pmem);
35