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gerrit-public.fairphone.software / kernel / msm-4.9 / 3a41a05d70b4fb455256fd3a8348e186f156c310 / . / drivers / nvdimm / nd-core.h
blob: e1970c71ad1c53b3e74a0e976232c34daa594a9a [file] [log] [blame]
Dan Williamsb94d5232015-05-19 22:54:31 -0400[diff] [blame]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>
Dan Williamseaf96152015-05-01 13:11:27 -0400[diff] [blame]17#include <linux/libnvdimm.h>
18#include <linux/sizes.h>
19#include <linux/mutex.h>
Dan Williams1b40e092015-05-01 13:34:01 -0400[diff] [blame]20#include <linux/nd.h>
Dan Williamsb94d5232015-05-19 22:54:31 -0400[diff] [blame]21
Dan Williamse6dfb2d2015-04-25 03:56:17 -0400[diff] [blame]22extern struct list_head nvdimm_bus_list;
23extern struct mutex nvdimm_bus_list_mutex;
Dan Williams62232e452015-06-08 14:27:06 -0400[diff] [blame]24extern int nvdimm_major;
Dan Williamse6dfb2d2015-04-25 03:56:17 -0400[diff] [blame]25
Dan Williamsb94d5232015-05-19 22:54:31 -0400[diff] [blame]26struct nvdimm_bus {
27 struct nvdimm_bus_descriptor *nd_desc;
Dan Williamseaf96152015-05-01 13:11:27 -0400[diff] [blame]28 wait_queue_head_t probe_wait;
Dan Williams3d880022015-05-31 15:02:11 -0400[diff] [blame]29 struct module *module;
Dan Williams45def222015-04-26 19:26:48 -0400[diff] [blame]30 struct list_head list;
Dan Williamsb94d5232015-05-19 22:54:31 -0400[diff] [blame]31 struct device dev;
Dan Williamseaf96152015-05-01 13:11:27 -0400[diff] [blame]32 int id, probe_active;
Dan Williams3d880022015-05-31 15:02:11 -0400[diff] [blame]33 struct mutex reconfig_mutex;
Dan Williamsb94d5232015-05-19 22:54:31 -0400[diff] [blame]34};
Dan Williams45def222015-04-26 19:26:48 -0400[diff] [blame]35
Dan Williamse6dfb2d2015-04-25 03:56:17 -0400[diff] [blame]36struct nvdimm {
37 unsigned long flags;
38 void *provider_data;
Dan Williams62232e452015-06-08 14:27:06 -0400[diff] [blame]39 unsigned long *dsm_mask;
Dan Williamse6dfb2d2015-04-25 03:56:17 -0400[diff] [blame]40 struct device dev;
Dan Williamseaf96152015-05-01 13:11:27 -0400[diff] [blame]41 atomic_t busy;
Dan Williamse6dfb2d2015-04-25 03:56:17 -0400[diff] [blame]42 int id;
43};
44
Dan Williams3d880022015-05-31 15:02:11 -0400[diff] [blame]45bool is_nvdimm(struct device *dev);
Dan Williams3d880022015-05-31 15:02:11 -0400[diff] [blame]46bool is_nd_pmem(struct device *dev);
Ross Zwisler047fc8a2015-06-25 04:21:02 -0400[diff] [blame]47bool is_nd_blk(struct device *dev);
Dan Williamse6dfb2d2015-04-25 03:56:17 -0400[diff] [blame]48struct nvdimm_bus *walk_to_nvdimm_bus(struct device *nd_dev);
Dan Williams45def222015-04-26 19:26:48 -0400[diff] [blame]49int __init nvdimm_bus_init(void);
Dan Williams4d88a972015-05-31 14:41:48 -0400[diff] [blame]50void nvdimm_bus_exit(void);
Dan Williamseaf96152015-05-01 13:11:27 -0400[diff] [blame]51void nd_region_probe_success(struct nvdimm_bus *nvdimm_bus, struct device *dev);
Dan Williams1b40e092015-05-01 13:34:01 -0400[diff] [blame]52struct nd_region;
53void nd_region_create_blk_seed(struct nd_region *nd_region);
Dan Williams8c2f7e82015-06-25 04:20:04 -0400[diff] [blame]54void nd_region_create_btt_seed(struct nd_region *nd_region);
Dan Williamseaf96152015-05-01 13:11:27 -0400[diff] [blame]55void nd_region_disable(struct nvdimm_bus *nvdimm_bus, struct device *dev);
Dan Williams45def222015-04-26 19:26:48 -0400[diff] [blame]56int nvdimm_bus_create_ndctl(struct nvdimm_bus *nvdimm_bus);
57void nvdimm_bus_destroy_ndctl(struct nvdimm_bus *nvdimm_bus);
Dan Williams4d88a972015-05-31 14:41:48 -0400[diff] [blame]58void nd_synchronize(void);
Dan Williams1f7df6f2015-06-09 20:13:14 -0400[diff] [blame]59int nvdimm_bus_register_dimms(struct nvdimm_bus *nvdimm_bus);
60int nvdimm_bus_register_regions(struct nvdimm_bus *nvdimm_bus);
Dan Williamseaf96152015-05-01 13:11:27 -0400[diff] [blame]61int nvdimm_bus_init_interleave_sets(struct nvdimm_bus *nvdimm_bus);
Dan Williams8c2f7e82015-06-25 04:20:04 -0400[diff] [blame]62void __nd_device_register(struct device *dev);
Dan Williams1f7df6f2015-06-09 20:13:14 -0400[diff] [blame]63int nd_match_dimm(struct device *dev, void *data);
Dan Williamsbf9bccc2015-06-17 17:14:46 -0400[diff] [blame]64struct nd_label_id;
65char *nd_label_gen_id(struct nd_label_id *label_id, u8 *uuid, u32 flags);
66bool nd_is_uuid_unique(struct device *dev, u8 *uuid);
67struct nd_region;
68struct nvdimm_drvdata;
69struct nd_mapping;
70resource_size_t nd_pmem_available_dpa(struct nd_region *nd_region,
71 struct nd_mapping *nd_mapping, resource_size_t *overlap);
Dan Williams1b40e092015-05-01 13:34:01 -0400[diff] [blame]72resource_size_t nd_blk_available_dpa(struct nd_mapping *nd_mapping);
Dan Williamsbf9bccc2015-06-17 17:14:46 -0400[diff] [blame]73resource_size_t nd_region_available_dpa(struct nd_region *nd_region);
74resource_size_t nvdimm_allocated_dpa(struct nvdimm_drvdata *ndd,
75 struct nd_label_id *label_id);
Dan Williams1b40e092015-05-01 13:34:01 -0400[diff] [blame]76struct nd_mapping;
77struct resource *nsblk_add_resource(struct nd_region *nd_region,
78 struct nvdimm_drvdata *ndd, struct nd_namespace_blk *nsblk,
79 resource_size_t start);
Dan Williams0ba1c632015-05-30 12:35:36 -0400[diff] [blame]80int nvdimm_num_label_slots(struct nvdimm_drvdata *ndd);
Dan Williamsbf9bccc2015-06-17 17:14:46 -0400[diff] [blame]81void get_ndd(struct nvdimm_drvdata *ndd);
Dan Williams8c2f7e82015-06-25 04:20:04 -0400[diff] [blame]82resource_size_t __nvdimm_namespace_capacity(struct nd_namespace_common *ndns);
Dan Williamsb94d5232015-05-19 22:54:31 -0400[diff] [blame]83#endif /* __ND_CORE_H__ */