linux_dsm_epyc7002/drivers/dax/dax.h
Dan Williams d76911ee93 dax: convert devm_create_dax_dev to PTR_ERR
For sub-division support we need access to the dax_dev created by
devm_create_dax_dev().

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2016-10-07 16:45:59 -07:00

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C

/*
* Copyright(c) 2016 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 __DAX_H__
#define __DAX_H__
struct device;
struct dax_dev;
struct resource;
struct dax_region;
void dax_region_put(struct dax_region *dax_region);
struct dax_region *alloc_dax_region(struct device *parent,
int region_id, struct resource *res, unsigned int align,
void *addr, unsigned long flags);
struct dax_dev *devm_create_dax_dev(struct dax_region *dax_region,
struct resource *res, int count);
#endif /* __DAX_H__ */