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| author | Vishal Verma <vishal.l.verma@intel.com> | 2015-12-25 05:21:43 +0300 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2016-01-09 19:39:03 +0300 |
| commit | 0caeef63e6d2f866d85bb507bf63e0ce8ec91cef (patch) | |
| tree | dbd09f34ab455ca2dfc8c246ff7d19d17edd1de7 /drivers/nvdimm/nd.h | |
| parent | d26f73f083ed6fbea7fd3fdbacb527b7f3e75ac0 (diff) | |
| download | linux-0caeef63e6d2f866d85bb507bf63e0ce8ec91cef.tar.xz | |
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.h')
| -rw-r--r-- | drivers/nvdimm/nd.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h index 417e521d299c..ba91fcd5818d 100644 --- a/drivers/nvdimm/nd.h +++ b/drivers/nvdimm/nd.h @@ -38,6 +38,12 @@ enum { #endif }; +struct nd_poison { + u64 start; + u64 length; + struct list_head list; +}; + struct nvdimm_drvdata { struct device *dev; int nsindex_size; |