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
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