diff options
Diffstat (limited to 'drivers/nvdimm/nd.h')
| -rw-r--r-- | drivers/nvdimm/nd.h | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h index 0b78a8211f4a..d3b2fca8deec 100644 --- a/drivers/nvdimm/nd.h +++ b/drivers/nvdimm/nd.h @@ -101,9 +101,6 @@ static inline struct nd_namespace_index *to_next_namespace_index( (unsigned long long) (res ? resource_size(res) : 0), \ (unsigned long long) (res ? res->start : 0), ##arg) -#define for_each_label(l, label, labels) \ - for (l = 0; (label = labels ? labels[l] : NULL); l++) - #define for_each_dpa_resource(ndd, res) \ for (res = (ndd)->dpa.child; res; res = res->sibling) @@ -116,6 +113,31 @@ struct nd_percpu_lane { spinlock_t lock; }; +struct nd_label_ent { + struct list_head list; + struct nd_namespace_label *label; +}; + +enum nd_mapping_lock_class { + ND_MAPPING_CLASS0, + ND_MAPPING_UUID_SCAN, +}; + +struct nd_mapping { + struct nvdimm *nvdimm; + u64 start; + u64 size; + struct list_head labels; + struct mutex lock; + /* + * @ndd is for private use at region enable / disable time for + * get_ndd() + put_ndd(), all other nd_mapping to ndd + * conversions use to_ndd() which respects enabled state of the + * nvdimm. + */ + struct nvdimm_drvdata *ndd; +}; + struct nd_region { struct device dev; struct ida ns_ida; @@ -209,6 +231,7 @@ void nvdimm_exit(void); void nd_region_exit(void); struct nvdimm; struct nvdimm_drvdata *to_ndd(struct nd_mapping *nd_mapping); +int nvdimm_check_config_data(struct device *dev); int nvdimm_init_nsarea(struct nvdimm_drvdata *ndd); int nvdimm_init_config_data(struct nvdimm_drvdata *ndd); int nvdimm_set_config_data(struct nvdimm_drvdata *ndd, size_t offset, |