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