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 | |
12 | void 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 | } |
22 | EXPORT_SYMBOL_GPL(arch_wb_cache_pmem); |
23 | |
24 | void 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 | } |
34 | EXPORT_SYMBOL_GPL(arch_invalidate_pmem); |
35 | |