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authorDave Jiang <dave.jiang@intel.com>2018-12-06 09:14:08 -0800
committerDan Williams <dan.j.williams@intel.com>2018-12-13 17:54:13 -0800
commit37833fb7989a9d3c3e26354e6878e682c340d718 (patch)
tree74f92cb2244a8af7105c6dba55c338fe66b1f5cc /drivers/nvdimm/nd-core.h
parentf2989396553a0bd13f4b25f567a3dee3d722ce40 (diff)
acpi/nfit, libnvdimm: Add freeze security support to Intel nvdimm
Add support for freeze security on Intel nvdimm. This locks out any changes to security for the DIMM until a hard reset of the DIMM is performed. This is triggered by writing "freeze" to the generic nvdimm/nmemX "security" sysfs attribute. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Co-developed-by: Dan Williams <dan.j.williams@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.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/nvdimm/nd-core.h b/drivers/nvdimm/nd-core.h
index 1919f5c0d581..15eff40f55f6 100644
--- a/drivers/nvdimm/nd-core.h
+++ b/drivers/nvdimm/nd-core.h
@@ -56,6 +56,7 @@ static inline enum nvdimm_security_state nvdimm_security_state(
return nvdimm->sec.ops->state(nvdimm);
}
+int nvdimm_security_freeze(struct nvdimm *nvdimm);
/**
* struct blk_alloc_info - tracking info for BLK dpa scanning