diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/libnvdimm.h | 3 | ||||
| -rw-r--r-- | include/linux/nd.h | 25 |
2 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h index c130972e08c4..a59dca17b3aa 100644 --- a/include/linux/libnvdimm.h +++ b/include/linux/libnvdimm.h @@ -27,6 +27,9 @@ enum { ND_CMD_MAX_ENVELOPE = 16, ND_CMD_ARS_STATUS_MAX = SZ_4K, ND_MAX_MAPPINGS = 32, + + /* mark newly adjusted resources as requiring a label update */ + DPA_RESOURCE_ADJUSTED = 1 << 0, }; extern struct attribute_group nvdimm_bus_attribute_group; diff --git a/include/linux/nd.h b/include/linux/nd.h index 255c38a83083..23276ea91690 100644 --- a/include/linux/nd.h +++ b/include/linux/nd.h @@ -50,6 +50,26 @@ struct nd_namespace_pmem { u8 *uuid; }; +/** + * struct nd_namespace_blk - namespace for dimm-bounded persistent memory + * @dev: namespace device creation by the nd region driver + * @alt_name: namespace name supplied in the dimm label + * @uuid: namespace name supplied in the dimm label + * @id: ida allocated id + * @lbasize: blk namespaces have a native sector size when btt not present + * @num_resources: number of dpa extents to claim + * @res: discontiguous dpa extents for given dimm + */ +struct nd_namespace_blk { + struct device dev; + char *alt_name; + u8 *uuid; + int id; + unsigned long lbasize; + int num_resources; + struct resource **res; +}; + static inline struct nd_namespace_io *to_nd_namespace_io(struct device *dev) { return container_of(dev, struct nd_namespace_io, dev); @@ -62,6 +82,11 @@ static inline struct nd_namespace_pmem *to_nd_namespace_pmem(struct device *dev) return container_of(nsio, struct nd_namespace_pmem, nsio); } +static inline struct nd_namespace_blk *to_nd_namespace_blk(struct device *dev) +{ + return container_of(dev, struct nd_namespace_blk, dev); +} + #define MODULE_ALIAS_ND_DEVICE(type) \ MODULE_ALIAS("nd:t" __stringify(type) "*") #define ND_DEVICE_MODALIAS_FMT "nd:t%d" |