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| author | Vishal Verma <vishal.l.verma@intel.com> | 2015-12-25 03:21:43 +0100 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2016-01-09 17:39:03 +0100 |
| commit | 0caeef63e6d2f866d85bb507bf63e0ce8ec91cef (patch) | |
| tree | dbd09f34ab455ca2dfc8c246ff7d19d17edd1de7 /drivers/nvdimm/nd-core.h | |
| parent | nfit_test: Enable DSMs for all test NFITs (diff) | |
| download | linux-0caeef63e6d2f866d85bb507bf63e0ce8ec91cef.tar.xz linux-0caeef63e6d2f866d85bb507bf63e0ce8ec91cef.zip | |
libnvdimm: Add a poison list and export badblocks
During region creation, perform Address Range Scrubs (ARS) for the SPA
(System Physical Address) ranges to retrieve known poison locations from
firmware. Add a new data structure 'nd_poison' which is used as a list
in nvdimm_bus to store these poison locations.
When creating a pmem namespace, if there is any known poison associated
with its physical address space, convert the poison ranges to bad sectors
that are exposed using the badblocks interface.
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/nvdimm/nd-core.h')
| -rw-r--r-- | drivers/nvdimm/nd-core.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/nvdimm/nd-core.h b/drivers/nvdimm/nd-core.h index 159aed532042..d3b7ea78df96 100644 --- a/drivers/nvdimm/nd-core.h +++ b/drivers/nvdimm/nd-core.h @@ -30,6 +30,7 @@ struct nvdimm_bus { struct list_head list; struct device dev; int id, probe_active; + struct list_head poison_list; struct mutex reconfig_mutex; }; @@ -89,4 +90,6 @@ bool __nd_attach_ndns(struct device *dev, struct nd_namespace_common *attach, ssize_t nd_namespace_store(struct device *dev, struct nd_namespace_common **_ndns, const char *buf, size_t len); +int nvdimm_namespace_add_poison(struct gendisk *disk, resource_size_t offset, + struct nd_namespace_common *ndns); #endif /* __ND_CORE_H__ */ |