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b94d5230 DW |
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> | |
eaf96153 DW |
17 | #include <linux/libnvdimm.h> |
18 | #include <linux/sizes.h> | |
19 | #include <linux/mutex.h> | |
1b40e09a | 20 | #include <linux/nd.h> |
b94d5230 | 21 | |
e6dfb2de DW |
22 | extern struct list_head nvdimm_bus_list; |
23 | extern struct mutex nvdimm_bus_list_mutex; | |
62232e45 | 24 | extern int nvdimm_major; |
e6dfb2de | 25 | |
b94d5230 DW |
26 | struct nvdimm_bus { |
27 | struct nvdimm_bus_descriptor *nd_desc; | |
eaf96153 | 28 | wait_queue_head_t probe_wait; |
3d88002e | 29 | struct module *module; |
45def22c | 30 | struct list_head list; |
b94d5230 | 31 | struct device dev; |
eaf96153 | 32 | int id, probe_active; |
3d88002e | 33 | struct mutex reconfig_mutex; |
b94d5230 | 34 | }; |
45def22c | 35 | |
e6dfb2de DW |
36 | struct nvdimm { |
37 | unsigned long flags; | |
38 | void *provider_data; | |
62232e45 | 39 | unsigned long *dsm_mask; |
e6dfb2de | 40 | struct device dev; |
eaf96153 | 41 | atomic_t busy; |
e6dfb2de DW |
42 | int id; |
43 | }; | |
44 | ||
3d88002e | 45 | bool is_nvdimm(struct device *dev); |
3d88002e | 46 | bool is_nd_pmem(struct device *dev); |
047fc8a1 | 47 | bool is_nd_blk(struct device *dev); |
e6dfb2de | 48 | struct nvdimm_bus *walk_to_nvdimm_bus(struct device *nd_dev); |
45def22c | 49 | int __init nvdimm_bus_init(void); |
4d88a97a | 50 | void nvdimm_bus_exit(void); |
eaf96153 | 51 | void nd_region_probe_success(struct nvdimm_bus *nvdimm_bus, struct device *dev); |
1b40e09a DW |
52 | struct nd_region; |
53 | void nd_region_create_blk_seed(struct nd_region *nd_region); | |
8c2f7e86 | 54 | void nd_region_create_btt_seed(struct nd_region *nd_region); |
eaf96153 | 55 | void nd_region_disable(struct nvdimm_bus *nvdimm_bus, struct device *dev); |
45def22c DW |
56 | int nvdimm_bus_create_ndctl(struct nvdimm_bus *nvdimm_bus); |
57 | void nvdimm_bus_destroy_ndctl(struct nvdimm_bus *nvdimm_bus); | |
4d88a97a | 58 | void nd_synchronize(void); |
1f7df6f8 DW |
59 | int nvdimm_bus_register_dimms(struct nvdimm_bus *nvdimm_bus); |
60 | int nvdimm_bus_register_regions(struct nvdimm_bus *nvdimm_bus); | |
eaf96153 | 61 | int nvdimm_bus_init_interleave_sets(struct nvdimm_bus *nvdimm_bus); |
8c2f7e86 | 62 | void __nd_device_register(struct device *dev); |
1f7df6f8 | 63 | int nd_match_dimm(struct device *dev, void *data); |
bf9bccc1 DW |
64 | struct nd_label_id; |
65 | char *nd_label_gen_id(struct nd_label_id *label_id, u8 *uuid, u32 flags); | |
66 | bool nd_is_uuid_unique(struct device *dev, u8 *uuid); | |
67 | struct nd_region; | |
68 | struct nvdimm_drvdata; | |
69 | struct nd_mapping; | |
70 | resource_size_t nd_pmem_available_dpa(struct nd_region *nd_region, | |
71 | struct nd_mapping *nd_mapping, resource_size_t *overlap); | |
1b40e09a | 72 | resource_size_t nd_blk_available_dpa(struct nd_mapping *nd_mapping); |
bf9bccc1 DW |
73 | resource_size_t nd_region_available_dpa(struct nd_region *nd_region); |
74 | resource_size_t nvdimm_allocated_dpa(struct nvdimm_drvdata *ndd, | |
75 | struct nd_label_id *label_id); | |
1b40e09a DW |
76 | struct nd_mapping; |
77 | struct resource *nsblk_add_resource(struct nd_region *nd_region, | |
78 | struct nvdimm_drvdata *ndd, struct nd_namespace_blk *nsblk, | |
79 | resource_size_t start); | |
0ba1c634 | 80 | int nvdimm_num_label_slots(struct nvdimm_drvdata *ndd); |
bf9bccc1 | 81 | void get_ndd(struct nvdimm_drvdata *ndd); |
8c2f7e86 | 82 | resource_size_t __nvdimm_namespace_capacity(struct nd_namespace_common *ndns); |
e1455744 DW |
83 | void nd_detach_ndns(struct device *dev, struct nd_namespace_common **_ndns); |
84 | void __nd_detach_ndns(struct device *dev, struct nd_namespace_common **_ndns); | |
85 | bool nd_attach_ndns(struct device *dev, struct nd_namespace_common *attach, | |
86 | struct nd_namespace_common **_ndns); | |
87 | bool __nd_attach_ndns(struct device *dev, struct nd_namespace_common *attach, | |
88 | struct nd_namespace_common **_ndns); | |
89 | ssize_t nd_namespace_store(struct device *dev, | |
90 | struct nd_namespace_common **_ndns, const char *buf, | |
91 | size_t len); | |
b94d5230 | 92 | #endif /* __ND_CORE_H__ */ |