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authorVishal Verma <vishal.l.verma@intel.com>2015-12-25 05:21:43 +0300
committerDan Williams <dan.j.williams@intel.com>2016-01-09 19:39:03 +0300
commit0caeef63e6d2f866d85bb507bf63e0ce8ec91cef (patch)
treedbd09f34ab455ca2dfc8c246ff7d19d17edd1de7 /drivers/nvdimm/nd.h
parentd26f73f083ed6fbea7fd3fdbacb527b7f3e75ac0 (diff)
downloadlinux-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.h6
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;