diff options
Diffstat (limited to 'arch/riscv/mm')
-rw-r--r-- | arch/riscv/mm/Makefile | 1 | ||||
-rw-r--r-- | arch/riscv/mm/pmem.c | 21 |
2 files changed, 22 insertions, 0 deletions
diff --git a/arch/riscv/mm/Makefile b/arch/riscv/mm/Makefile index ce7f121ad2dc..2ac177c05352 100644 --- a/arch/riscv/mm/Makefile +++ b/arch/riscv/mm/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_MMU) += fault.o pageattr.o obj-y += cacheflush.o obj-y += context.o obj-y += pgtable.o +obj-y += pmem.o ifeq ($(CONFIG_MMU),y) obj-$(CONFIG_SMP) += tlbflush.o diff --git a/arch/riscv/mm/pmem.c b/arch/riscv/mm/pmem.c new file mode 100644 index 000000000000..089df92ae876 --- /dev/null +++ b/arch/riscv/mm/pmem.c @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2022 Ventana Micro Systems Inc. + */ + +#include <linux/export.h> +#include <linux/libnvdimm.h> + +#include <asm/cacheflush.h> + +void arch_wb_cache_pmem(void *addr, size_t size) +{ + ALT_CMO_OP(clean, addr, size, riscv_cbom_block_size); +} +EXPORT_SYMBOL_GPL(arch_wb_cache_pmem); + +void arch_invalidate_pmem(void *addr, size_t size) +{ + ALT_CMO_OP(inval, addr, size, riscv_cbom_block_size); +} +EXPORT_SYMBOL_GPL(arch_invalidate_pmem); |