1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __NVDIMM_PMEM_H__
3 #define __NVDIMM_PMEM_H__
4 #include <linux/badblocks.h>
5 #include <linux/types.h>
6 #include <linux/pfn_t.h>
9 /* this definition is in it's own header for tools/testing/nvdimm to consume */
11 /* One contiguous memory region per device */
12 phys_addr_t phys_addr;
13 /* when non-zero this device is hosting a 'pfn' instance */
14 phys_addr_t data_offset;
17 /* immutable base size of the namespace */
19 /* trim size when namespace capacity has been section aligned */
21 struct kernfs_node *bb_state;
23 struct dax_device *dax_dev;
27 long __pmem_direct_access(struct pmem_device *pmem, pgoff_t pgoff,
28 long nr_pages, void **kaddr, pfn_t *pfn);
29 #endif /* __NVDIMM_PMEM_H__ */