diff options
Diffstat (limited to 'drivers/nvdimm/nd-core.h')
| -rw-r--r-- | drivers/nvdimm/nd-core.h | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/nvdimm/nd-core.h b/drivers/nvdimm/nd-core.h index 38ce6bbbc170..8623e57c2ce3 100644 --- a/drivers/nvdimm/nd-core.h +++ b/drivers/nvdimm/nd-core.h @@ -44,6 +44,23 @@ struct nvdimm { struct resource *flush_wpq; }; +/** + * struct blk_alloc_info - tracking info for BLK dpa scanning + * @nd_mapping: blk region mapping boundaries + * @available: decremented in alias_dpa_busy as aliased PMEM is scanned + * @busy: decremented in blk_dpa_busy to account for ranges already + * handled by alias_dpa_busy + * @res: alias_dpa_busy interprets this a free space range that needs to + * be truncated to the valid BLK allocation starting DPA, blk_dpa_busy + * treats it as a busy range that needs the aliased PMEM ranges + * truncated. + */ +struct blk_alloc_info { + struct nd_mapping *nd_mapping; + resource_size_t available, busy; + struct resource *res; +}; + bool is_nvdimm(struct device *dev); bool is_nd_pmem(struct device *dev); bool is_nd_blk(struct device *dev); @@ -54,7 +71,7 @@ void nvdimm_devs_exit(void); void nd_region_devs_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_ns_seed(struct nd_region *nd_region); void nd_region_create_btt_seed(struct nd_region *nd_region); void nd_region_create_pfn_seed(struct nd_region *nd_region); void nd_region_create_dax_seed(struct nd_region *nd_region); @@ -73,13 +90,14 @@ bool nd_is_uuid_unique(struct device *dev, u8 *uuid); struct nd_region; struct nvdimm_drvdata; struct nd_mapping; +void nd_mapping_free_labels(struct nd_mapping *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_blk_available_dpa(struct nd_region *nd_region); 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; +int alias_dpa_busy(struct device *dev, void *data); struct resource *nsblk_add_resource(struct nd_region *nd_region, struct nvdimm_drvdata *ndd, struct nd_namespace_blk *nsblk, resource_size_t start); |