diff options
Diffstat (limited to 'drivers/nvdimm/pmem.h')
| -rw-r--r-- | drivers/nvdimm/pmem.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/nvdimm/pmem.h b/drivers/nvdimm/pmem.h index 7f4dbd72a90a..5434321cad67 100644 --- a/drivers/nvdimm/pmem.h +++ b/drivers/nvdimm/pmem.h @@ -5,6 +5,20 @@ #include <linux/pfn_t.h> #include <linux/fs.h> +#ifdef CONFIG_ARCH_HAS_PMEM_API +#define ARCH_MEMREMAP_PMEM MEMREMAP_WB +void arch_wb_cache_pmem(void *addr, size_t size); +void arch_invalidate_pmem(void *addr, size_t size); +#else +#define ARCH_MEMREMAP_PMEM MEMREMAP_WT +static inline void arch_wb_cache_pmem(void *addr, size_t size) +{ +} +static inline void arch_invalidate_pmem(void *addr, size_t size) +{ +} +#endif + /* this definition is in it's own header for tools/testing/nvdimm to consume */ struct pmem_device { /* One contiguous memory region per device */ @@ -17,6 +31,7 @@ struct pmem_device { size_t size; /* trim size when namespace capacity has been section aligned */ u32 pfn_pad; + struct kernfs_node *bb_state; struct badblocks bb; struct dax_device *dax_dev; struct gendisk *disk; |