[deliverable/linux.git] / drivers / nvdimm / nd.h

/*
 * Copyright(c) 2013-2015 Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */
#ifndef __ND_H__
#define __ND_H__
#include <linux/libnvdimm.h>
#include <linux/device.h>
#include <linux/mutex.h>
#include <linux/ndctl.h>

struct nvdimm_drvdata {
	struct device *dev;
	struct nd_cmd_get_config_size nsarea;
	void *data;
};

struct nd_region_namespaces {
	int count;
	int active;
};

struct nd_region {
	struct device dev;
	u16 ndr_mappings;
	u64 ndr_size;
	u64 ndr_start;
	int id;
	void *provider_data;
	struct nd_interleave_set *nd_set;
	struct nd_mapping mapping[0];
};

enum nd_async_mode {
	ND_SYNC,
	ND_ASYNC,
};

void nd_device_register(struct device *dev);
void nd_device_unregister(struct device *dev, enum nd_async_mode mode);
int __init nvdimm_init(void);
int __init nd_region_init(void);
void nvdimm_exit(void);
void nd_region_exit(void);
int nvdimm_init_nsarea(struct nvdimm_drvdata *ndd);
int nvdimm_init_config_data(struct nvdimm_drvdata *ndd);
struct nd_region *to_nd_region(struct device *dev);
int nd_region_to_nstype(struct nd_region *nd_region);
int nd_region_register_namespaces(struct nd_region *nd_region, int *err);
void nvdimm_bus_lock(struct device *dev);
void nvdimm_bus_unlock(struct device *dev);
bool is_nvdimm_bus_locked(struct device *dev);
#endif /* __ND_H__ */
Commit	Line	Data
4d88a97a DW	1	/*
	2	* Copyright(c) 2013-2015 Intel Corporation. All rights reserved.
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of version 2 of the GNU General Public License as
	6	* published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope that it will be useful, but
	9	* WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	11	* General Public License for more details.
	12	*/
	13	#ifndef __ND_H__
	14	#define __ND_H__
1f7df6f8	15	#include <linux/libnvdimm.h>
4d88a97a DW	16	#include <linux/device.h>
	17	#include <linux/mutex.h>
	18	#include <linux/ndctl.h>
	19
	20	struct nvdimm_drvdata {
	21	struct device *dev;
	22	struct nd_cmd_get_config_size nsarea;
	23	void *data;
	24	};
	25
3d88002e DW	26	struct nd_region_namespaces {
	27	int count;
	28	int active;
	29	};
	30
1f7df6f8 DW	31	struct nd_region {
	32	struct device dev;
	33	u16 ndr_mappings;
	34	u64 ndr_size;
	35	u64 ndr_start;
	36	int id;
	37	void *provider_data;
eaf96153	38	struct nd_interleave_set *nd_set;
1f7df6f8 DW	39	struct nd_mapping mapping[0];
	40	};
	41
4d88a97a DW	42	enum nd_async_mode {
	43	ND_SYNC,
	44	ND_ASYNC,
	45	};
	46
	47	void nd_device_register(struct device *dev);
	48	void nd_device_unregister(struct device *dev, enum nd_async_mode mode);
	49	int __init nvdimm_init(void);
3d88002e	50	int __init nd_region_init(void);
4d88a97a	51	void nvdimm_exit(void);
3d88002e	52	void nd_region_exit(void);
4d88a97a DW	53	int nvdimm_init_nsarea(struct nvdimm_drvdata *ndd);
4d88a97a DW	54	int nvdimm_init_config_data(struct nvdimm_drvdata *ndd);
3d88002e DW	55	struct nd_region to_nd_region(struct device dev);
	56	int nd_region_to_nstype(struct nd_region *nd_region);
	57	int nd_region_register_namespaces(struct nd_region nd_region, int err);
	58	void nvdimm_bus_lock(struct device *dev);
	59	void nvdimm_bus_unlock(struct device *dev);
	60	bool is_nvdimm_bus_locked(struct device *dev);
4d88a97a	61	#endif /* __ND_H__ */