diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2016-05-18 09:59:34 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2016-05-18 09:59:34 -0700 |
| commit | 594d6d96ea042366878aa7dc7f5711b8c245db5a (patch) | |
| tree | 1b7333bf5b5c1147e136f050d686ab4f888ab85f /include | |
| parent | 1b8d2afde54fade94339f573c4e05644f9ae9866 (diff) | |
| parent | 45a0dac0451136fa7ae34a6fea53ef6a136287ce (diff) | |
Merge branch 'for-4.7/dax' into libnvdimm-for-next
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/nd.h | 11 | ||||
| -rw-r--r-- | include/uapi/linux/ndctl.h | 2 |
2 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/nd.h b/include/linux/nd.h index 5489ab756d1a..aee2761d294c 100644 --- a/include/linux/nd.h +++ b/include/linux/nd.h @@ -15,6 +15,7 @@ #include <linux/fs.h> #include <linux/ndctl.h> #include <linux/device.h> +#include <linux/badblocks.h> enum nvdimm_event { NVDIMM_REVALIDATE_POISON, @@ -55,13 +56,19 @@ static inline struct nd_namespace_common *to_ndns(struct device *dev) } /** - * struct nd_namespace_io - infrastructure for loading an nd_pmem instance + * struct nd_namespace_io - device representation of a persistent memory range * @dev: namespace device created by the nd region driver * @res: struct resource conversion of a NFIT SPA table + * @size: cached resource_size(@res) for fast path size checks + * @addr: virtual address to access the namespace range + * @bb: badblocks list for the namespace range */ struct nd_namespace_io { struct nd_namespace_common common; struct resource res; + resource_size_t size; + void __pmem *addr; + struct badblocks bb; }; /** @@ -82,6 +89,7 @@ struct nd_namespace_pmem { * @uuid: namespace name supplied in the dimm label * @id: ida allocated id * @lbasize: blk namespaces have a native sector size when btt not present + * @size: sum of all the resource ranges allocated to this namespace * @num_resources: number of dpa extents to claim * @res: discontiguous dpa extents for given dimm */ @@ -91,6 +99,7 @@ struct nd_namespace_blk { u8 *uuid; int id; unsigned long lbasize; + resource_size_t size; int num_resources; struct resource **res; }; diff --git a/include/uapi/linux/ndctl.h b/include/uapi/linux/ndctl.h index 7cc28ab05b87..4f29d247f709 100644 --- a/include/uapi/linux/ndctl.h +++ b/include/uapi/linux/ndctl.h @@ -206,6 +206,7 @@ static inline const char *nvdimm_cmd_name(unsigned cmd) #define ND_DEVICE_NAMESPACE_IO 4 /* legacy persistent memory */ #define ND_DEVICE_NAMESPACE_PMEM 5 /* PMEM namespace (may alias with BLK) */ #define ND_DEVICE_NAMESPACE_BLK 6 /* BLK namespace (may alias with PMEM) */ +#define ND_DEVICE_DAX_PMEM 7 /* Device DAX interface to pmem */ enum nd_driver_flags { ND_DRIVER_DIMM = 1 << ND_DEVICE_DIMM, @@ -214,6 +215,7 @@ enum nd_driver_flags { ND_DRIVER_NAMESPACE_IO = 1 << ND_DEVICE_NAMESPACE_IO, ND_DRIVER_NAMESPACE_PMEM = 1 << ND_DEVICE_NAMESPACE_PMEM, ND_DRIVER_NAMESPACE_BLK = 1 << ND_DEVICE_NAMESPACE_BLK, + ND_DRIVER_DAX_PMEM = 1 << ND_DEVICE_DAX_PMEM, }; enum { |