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