drivers/nvdimm/nd-core.h

   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_CORE_H__
  14 #define __ND_CORE_H__
  15 #include <linux/libnvdimm.h>
  16 #include <linux/device.h>
  17
  18 extern struct list_head nvdimm_bus_list;
  19 extern struct mutex nvdimm_bus_list_mutex;
  20 extern int nvdimm_major;
  21
  22 struct nvdimm_bus {
  23         struct nvdimm_bus_descriptor *nd_desc;
  24         struct list_head list;
  25         struct device dev;
  26         int id;
  27 };
  28
  29 struct nvdimm {
  30         unsigned long flags;
  31         void *provider_data;
  32         unsigned long *dsm_mask;
  33         struct device dev;
  34         int id;
  35 };
  36
  37 struct nvdimm_bus *walk_to_nvdimm_bus(struct device *nd_dev);
  38 int __init nvdimm_bus_init(void);
  39 void nvdimm_bus_exit(void);
  40 int nvdimm_bus_create_ndctl(struct nvdimm_bus *nvdimm_bus);
  41 void nvdimm_bus_destroy_ndctl(struct nvdimm_bus *nvdimm_bus);
  42 void nd_synchronize(void);
  43 int nvdimm_bus_register_dimms(struct nvdimm_bus *nvdimm_bus);
  44 int nvdimm_bus_register_regions(struct nvdimm_bus *nvdimm_bus);
  45 int nd_match_dimm(struct device *dev, void *data);
  46 bool is_nvdimm(struct device *dev);
  47 #endif /* __ND_CORE_H__ */