[mirror_ubuntu-zesty-kernel.git] / drivers / nvdimm / pmem.h

#ifndef __NVDIMM_PMEM_H__
#define __NVDIMM_PMEM_H__
#include <linux/badblocks.h>
#include <linux/types.h>
#include <linux/pfn_t.h>
#include <linux/fs.h>

long pmem_direct_access(struct block_device *bdev, sector_t sector,
		      void **kaddr, pfn_t *pfn, long size);
/* this definition is in it's own header for tools/testing/nvdimm to consume */
struct pmem_device {
	/* One contiguous memory region per device */
	phys_addr_t		phys_addr;
	/* when non-zero this device is hosting a 'pfn' instance */
	phys_addr_t		data_offset;
	u64			pfn_flags;
	void			*virt_addr;
	/* immutable base size of the namespace */
	size_t			size;
	/* trim size when namespace capacity has been section aligned */
	u32			pfn_pad;
	struct badblocks	bb;
};
#endif /* __NVDIMM_PMEM_H__ */
Commit	Line	Data
f295e53b DW	1	#ifndef __NVDIMM_PMEM_H__
	2	#define __NVDIMM_PMEM_H__
	3	#include <linux/badblocks.h>
	4	#include <linux/types.h>
	5	#include <linux/pfn_t.h>
	6	#include <linux/fs.h>
	7
	8	long pmem_direct_access(struct block_device *bdev, sector_t sector,
7a9eb206	9	void *kaddr, pfn_t pfn, long size);
f295e53b DW	10	/* this definition is in it's own header for tools/testing/nvdimm to consume */
	11	struct pmem_device {
	12	/* One contiguous memory region per device */
	13	phys_addr_t phys_addr;
	14	/* when non-zero this device is hosting a 'pfn' instance */
	15	phys_addr_t data_offset;
	16	u64 pfn_flags;
7a9eb206	17	void *virt_addr;
f295e53b DW	18	/* immutable base size of the namespace */
	19	size_t size;
	20	/* trim size when namespace capacity has been section aligned */
	21	u32 pfn_pad;
	22	struct badblocks bb;
	23	};
	24	#endif /* __NVDIMM_PMEM_H__ */