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/*
* 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_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__ */
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