| | 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 | #include <linux/libnvdimm.h> |
| | 18 | #include <linux/sizes.h> |
| | 19 | #include <linux/mutex.h> |
| | 20 | #include <linux/nd.h> |
| | 21 | |
| | 22 | extern struct list_head nvdimm_bus_list; |
| | 23 | extern struct mutex nvdimm_bus_list_mutex; |
| | 24 | extern int nvdimm_major; |
| | 25 | |
| | 26 | struct nvdimm_bus { |
| | 27 | struct nvdimm_bus_descriptor *nd_desc; |
| | 28 | wait_queue_head_t probe_wait; |
| | 29 | struct list_head list; |
| | 30 | struct device dev; |
| | 31 | int id, probe_active; |
| | 32 | struct list_head poison_list; |
| | 33 | struct list_head mapping_list; |
| | 34 | struct mutex reconfig_mutex; |
| | 35 | }; |
| | 36 | |
| | 37 | struct nvdimm { |
| | 38 | unsigned long flags; |
| | 39 | void *provider_data; |
| | 40 | unsigned long cmd_mask; |
| | 41 | struct device dev; |
| | 42 | atomic_t busy; |
| | 43 | int id, num_flush; |
| | 44 | struct resource *flush_wpq; |
| | 45 | }; |
| | 46 | |
| | 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); |
| | 56 | struct nd_region; |
| | 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); |
| | 70 | struct nd_label_id; |
| | 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); |
| | 73 | struct nd_region; |
| | 74 | struct nvdimm_drvdata; |
| | 75 | struct nd_mapping; |
| | 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); |
| | 82 | struct nd_mapping; |
| | 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, |
| | 97 | size_t len); |
| | 98 | struct nd_pfn *to_nd_pfn_safe(struct device *dev); |
| | 99 | #endif /* __ND_CORE_H__ */ |
projects / deliverable / linux.git / blame_incremental