diff options
Diffstat (limited to 'drivers/nvdimm/nd-core.h')
| -rw-r--r-- | drivers/nvdimm/nd-core.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/nvdimm/nd-core.h b/drivers/nvdimm/nd-core.h new file mode 100644 index 000000000000..e1970c71ad1c --- /dev/null +++ b/drivers/nvdimm/nd-core.h @@ -0,0 +1,83 @@ +/* + * Copyright(c) 2013-2015 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __ND_CORE_H__ +#define __ND_CORE_H__ +#include <linux/libnvdimm.h> +#include <linux/device.h> +#include <linux/libnvdimm.h> +#include <linux/sizes.h> +#include <linux/mutex.h> +#include <linux/nd.h> + +extern struct list_head nvdimm_bus_list; +extern struct mutex nvdimm_bus_list_mutex; +extern int nvdimm_major; + +struct nvdimm_bus { + struct nvdimm_bus_descriptor *nd_desc; + wait_queue_head_t probe_wait; + struct module *module; + struct list_head list; + struct device dev; + int id, probe_active; + struct mutex reconfig_mutex; +}; + +struct nvdimm { + unsigned long flags; + void *provider_data; + unsigned long *dsm_mask; + struct device dev; + atomic_t busy; + int id; +}; + +bool is_nvdimm(struct device *dev); +bool is_nd_pmem(struct device *dev); +bool is_nd_blk(struct device *dev); +struct nvdimm_bus *walk_to_nvdimm_bus(struct device *nd_dev); +int __init nvdimm_bus_init(void); +void nvdimm_bus_exit(void); +void nd_region_probe_success(struct nvdimm_bus *nvdimm_bus, struct device *dev); +struct nd_region; +void nd_region_create_blk_seed(struct nd_region *nd_region); +void nd_region_create_btt_seed(struct nd_region *nd_region); +void nd_region_disable(struct nvdimm_bus *nvdimm_bus, struct device *dev); +int nvdimm_bus_create_ndctl(struct nvdimm_bus *nvdimm_bus); +void nvdimm_bus_destroy_ndctl(struct nvdimm_bus *nvdimm_bus); +void nd_synchronize(void); +int nvdimm_bus_register_dimms(struct nvdimm_bus *nvdimm_bus); +int nvdimm_bus_register_regions(struct nvdimm_bus *nvdimm_bus); +int nvdimm_bus_init_interleave_sets(struct nvdimm_bus *nvdimm_bus); +void __nd_device_register(struct device *dev); +int nd_match_dimm(struct device *dev, void *data); +struct nd_label_id; +char *nd_label_gen_id(struct nd_label_id *label_id, u8 *uuid, u32 flags); +bool nd_is_uuid_unique(struct device *dev, u8 *uuid); +struct nd_region; +struct nvdimm_drvdata; +struct nd_mapping; +resource_size_t nd_pmem_available_dpa(struct nd_region *nd_region, + struct nd_mapping *nd_mapping, resource_size_t *overlap); +resource_size_t nd_blk_available_dpa(struct nd_mapping *nd_mapping); +resource_size_t nd_region_available_dpa(struct nd_region *nd_region); +resource_size_t nvdimm_allocated_dpa(struct nvdimm_drvdata *ndd, + struct nd_label_id *label_id); +struct nd_mapping; +struct resource *nsblk_add_resource(struct nd_region *nd_region, + struct nvdimm_drvdata *ndd, struct nd_namespace_blk *nsblk, + resource_size_t start); +int nvdimm_num_label_slots(struct nvdimm_drvdata *ndd); +void get_ndd(struct nvdimm_drvdata *ndd); +resource_size_t __nvdimm_namespace_capacity(struct nd_namespace_common *ndns); +#endif /* __ND_CORE_H__ */ |