2 * Copyright(c) 2013-2015 Intel Corporation. All rights reserved.
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.
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.
15 #include <linux/libnvdimm.h>
16 #include <linux/device.h>
17 #include <linux/libnvdimm.h>
18 #include <linux/sizes.h>
19 #include <linux/mutex.h>
22 extern struct list_head nvdimm_bus_list
;
23 extern struct mutex nvdimm_bus_list_mutex
;
24 extern int nvdimm_major
;
27 struct nvdimm_bus_descriptor
*nd_desc
;
28 wait_queue_head_t probe_wait
;
29 struct list_head list
;
32 struct list_head poison_list
;
33 struct list_head mapping_list
;
34 struct mutex reconfig_mutex
;
40 unsigned long cmd_mask
;
44 struct resource
*flush_wpq
;
47 bool is_nvdimm(struct device
*dev
);
48 bool is_nd_pmem(struct device
*dev
);
49 bool is_nd_blk(struct device
*dev
);
50 struct nvdimm_bus
*walk_to_nvdimm_bus(struct device
*nd_dev
);
51 int __init
nvdimm_bus_init(void);
52 void nvdimm_bus_exit(void);
53 void nvdimm_devs_exit(void);
54 void nd_region_devs_exit(void);
55 void nd_region_probe_success(struct nvdimm_bus
*nvdimm_bus
, struct device
*dev
);
57 void nd_region_create_blk_seed(struct nd_region
*nd_region
);
58 void nd_region_create_btt_seed(struct nd_region
*nd_region
);
59 void nd_region_create_pfn_seed(struct nd_region
*nd_region
);
60 void nd_region_create_dax_seed(struct nd_region
*nd_region
);
61 void nd_region_disable(struct nvdimm_bus
*nvdimm_bus
, struct device
*dev
);
62 int nvdimm_bus_create_ndctl(struct nvdimm_bus
*nvdimm_bus
);
63 void nvdimm_bus_destroy_ndctl(struct nvdimm_bus
*nvdimm_bus
);
64 void nd_synchronize(void);
65 int nvdimm_bus_register_dimms(struct nvdimm_bus
*nvdimm_bus
);
66 int nvdimm_bus_register_regions(struct nvdimm_bus
*nvdimm_bus
);
67 int nvdimm_bus_init_interleave_sets(struct nvdimm_bus
*nvdimm_bus
);
68 void __nd_device_register(struct device
*dev
);
69 int nd_match_dimm(struct device
*dev
, void *data
);
71 char *nd_label_gen_id(struct nd_label_id
*label_id
, u8
*uuid
, u32 flags
);
72 bool nd_is_uuid_unique(struct device
*dev
, u8
*uuid
);
74 struct nvdimm_drvdata
;
76 resource_size_t
nd_pmem_available_dpa(struct nd_region
*nd_region
,
77 struct nd_mapping
*nd_mapping
, resource_size_t
*overlap
);
78 resource_size_t
nd_blk_available_dpa(struct nd_mapping
*nd_mapping
);
79 resource_size_t
nd_region_available_dpa(struct nd_region
*nd_region
);
80 resource_size_t
nvdimm_allocated_dpa(struct nvdimm_drvdata
*ndd
,
81 struct nd_label_id
*label_id
);
83 struct resource
*nsblk_add_resource(struct nd_region
*nd_region
,
84 struct nvdimm_drvdata
*ndd
, struct nd_namespace_blk
*nsblk
,
85 resource_size_t start
);
86 int nvdimm_num_label_slots(struct nvdimm_drvdata
*ndd
);
87 void get_ndd(struct nvdimm_drvdata
*ndd
);
88 resource_size_t
__nvdimm_namespace_capacity(struct nd_namespace_common
*ndns
);
89 void nd_detach_ndns(struct device
*dev
, struct nd_namespace_common
**_ndns
);
90 void __nd_detach_ndns(struct device
*dev
, struct nd_namespace_common
**_ndns
);
91 bool nd_attach_ndns(struct device
*dev
, struct nd_namespace_common
*attach
,
92 struct nd_namespace_common
**_ndns
);
93 bool __nd_attach_ndns(struct device
*dev
, struct nd_namespace_common
*attach
,
94 struct nd_namespace_common
**_ndns
);
95 ssize_t
nd_namespace_store(struct device
*dev
,
96 struct nd_namespace_common
**_ndns
, const char *buf
,
98 struct nd_pfn
*to_nd_pfn_safe(struct device
*dev
);
99 #endif /* __ND_CORE_H__ */