diff options
Diffstat (limited to 'drivers/nvdimm/nd.h')
| -rw-r--r-- | drivers/nvdimm/nd.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h index 6c36509662e4..46910b8f32b1 100644 --- a/drivers/nvdimm/nd.h +++ b/drivers/nvdimm/nd.h @@ -101,10 +101,12 @@ struct nd_region { struct ida ns_ida; struct ida btt_ida; struct ida pfn_ida; + struct ida dax_ida; unsigned long flags; struct device *ns_seed; struct device *btt_seed; struct device *pfn_seed; + struct device *dax_seed; u16 ndr_mappings; u64 ndr_size; u64 ndr_start; @@ -161,6 +163,10 @@ struct nd_pfn { struct nd_namespace_common *ndns; }; +struct nd_dax { + struct nd_pfn nd_pfn; +}; + enum nd_async_mode { ND_SYNC, ND_ASYNC, @@ -224,7 +230,10 @@ struct nd_pfn *to_nd_pfn(struct device *dev); int nd_pfn_probe(struct device *dev, struct nd_namespace_common *ndns); bool is_nd_pfn(struct device *dev); struct device *nd_pfn_create(struct nd_region *nd_region); +struct device *nd_pfn_devinit(struct nd_pfn *nd_pfn, + struct nd_namespace_common *ndns); int nd_pfn_validate(struct nd_pfn *nd_pfn); +extern struct attribute_group nd_pfn_attribute_group; #else static inline int nd_pfn_probe(struct device *dev, struct nd_namespace_common *ndns) @@ -248,6 +257,22 @@ static inline int nd_pfn_validate(struct nd_pfn *nd_pfn) } #endif +struct nd_dax *to_nd_dax(struct device *dev); +#if IS_ENABLED(CONFIG_NVDIMM_DAX) +bool is_nd_dax(struct device *dev); +struct device *nd_dax_create(struct nd_region *nd_region); +#else +static inline bool is_nd_dax(struct device *dev) +{ + return false; +} + +static inline struct device *nd_dax_create(struct nd_region *nd_region) +{ + return NULL; +} +#endif + struct nd_region *to_nd_region(struct device *dev); int nd_region_to_nstype(struct nd_region *nd_region); int nd_region_register_namespaces(struct nd_region *nd_region, int *err); |