25 lines
765 B
C
25 lines
765 B
C
|
#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__ */
|