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acpi/nfit, libnvdimm: Add disable passphrase support to Intel nvdimm.

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Add support to disable passphrase (security) for the Intel nvdimm. The
passphrase used for disabling is pulled from an encrypted-key in the kernel
user keyring. The action is triggered by writing "disable <keyid>" to the
sysfs attribute "security".

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dave Jiang
2018-12-07 10:33:30 -07:00
committed by Dan Williams
parent 4c6926a23b
commit 03b65b22ad
5 changed files with 159 additions and 3 deletions
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2
include/linux/libnvdimm.h
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@@ -178,6 +178,8 @@ struct nvdimm_security_ops {
const struct nvdimm_key_data *new_data);
int (*unlock)(struct nvdimm *nvdimm,
const struct nvdimm_key_data *key_data);
int (*disable)(struct nvdimm *nvdimm,
const struct nvdimm_key_data *key_data);
};
void badrange_init(struct badrange *badrange);