1 files changed, 15 insertions, 2 deletions

diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h
index 03852d738eec..e1b5715bd91f 100644
--- a/drivers/nvdimm/nd.h
+++ b/drivers/nvdimm/nd.h
@@ -42,7 +42,7 @@ struct nd_poison {
 
 struct nvdimm_drvdata {
 	struct device *dev;
-	int nsindex_size;
+	int nsindex_size, nslabel_size;
 	struct nd_cmd_get_config_size nsarea;
 	void *data;
 	int ns_current, ns_next;
@@ -96,6 +96,12 @@ static inline struct nd_namespace_index *to_next_namespace_index(
 	return to_namespace_index(ndd, ndd->ns_next);
 }
 
+unsigned sizeof_namespace_label(struct nvdimm_drvdata *ndd);
+
+#define namespace_label_has(ndd, field) \
+	(offsetof(struct nd_namespace_label, field) \
+		< sizeof_namespace_label(ndd))
+
 #define nd_dbg_dpa(r, d, res, fmt, arg...) \
 	dev_dbg((r) ? &(r)->dev : (d)->dev, "%s: %.13s: %#llx @ %#llx " fmt, \
 		(r) ? dev_name((d)->dev) : "", res ? res->name : "null", \
@@ -155,6 +161,7 @@ struct nd_region {
 	u64 ndr_start;
 	int id, num_lanes, ro, numa_node;
 	void *provider_data;
+	struct kernfs_node *bb_state;
 	struct badblocks bb;
 	struct nd_interleave_set *nd_set;
 	struct nd_percpu_lane __percpu *lane;
@@ -188,6 +195,9 @@ struct nd_btt {
 	u64 size;
 	u8 *uuid;
 	int id;
+	int initial_offset;
+	u16 version_major;
+	u16 version_minor;
 };
 
 enum nd_pfn_mode {
@@ -229,6 +239,7 @@ ssize_t nd_sector_size_store(struct device *dev, const char *buf,
 		unsigned long *current_lbasize, const unsigned long *supported);
 int __init nvdimm_init(void);
 int __init nd_region_init(void);
+int __init nd_label_init(void);
 void nvdimm_exit(void);
 void nd_region_exit(void);
 struct nvdimm;
@@ -330,7 +341,8 @@ static inline struct device *nd_dax_create(struct nd_region *nd_region)
 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);
-u64 nd_region_interleave_set_cookie(struct nd_region *nd_region);
+u64 nd_region_interleave_set_cookie(struct nd_region *nd_region,
+		struct nd_namespace_index *nsindex);
 u64 nd_region_interleave_set_altcookie(struct nd_region *nd_region);
 void nvdimm_bus_lock(struct device *dev);
 void nvdimm_bus_unlock(struct device *dev);
@@ -349,6 +361,7 @@ int nvdimm_namespace_attach_btt(struct nd_namespace_common *ndns);
 int nvdimm_namespace_detach_btt(struct nd_btt *nd_btt);
 const char *nvdimm_namespace_disk_name(struct nd_namespace_common *ndns,
 		char *name);
+unsigned int pmem_sector_size(struct nd_namespace_common *ndns);
 void nvdimm_badblocks_populate(struct nd_region *nd_region,
 		struct badblocks *bb, const struct resource *res);
 #if IS_ENABLED(CONFIG_ND_CLAIM)