libnvdimm, region: move region-mapping input-paramters to nd_mapping_desc
Before we add more libnvdimm-private fields to nd_mapping make it clear
which parameters are input vs libnvdimm internals. Use struct
nd_mapping_desc instead of struct nd_mapping in nd_region_desc and make
struct nd_mapping private to libnvdimm.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h
index 38d6f03..e58c408 100644
--- a/drivers/nvdimm/nd.h
+++ b/drivers/nvdimm/nd.h
@@ -98,6 +98,20 @@
spinlock_t lock;
};
+struct nd_mapping {
+ struct nvdimm *nvdimm;
+ struct nd_namespace_label **labels;
+ u64 start;
+ u64 size;
+ /*
+ * @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;