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acpi/nfit, libnvdimm: Add support for issue secure erase DSM to Intel nvdimm

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Add support to issue a secure erase DSM to the Intel nvdimm. The
required passphrase is acquired from an encrypted key in the kernel user
keyring. To trigger the action, "erase <keyid>" is written to the
"security" sysfs attribute.

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 14:02:12 -07:00 • committed by Dan Williams
parent d2a4ac73f5
commit 64e77c8c04
5 changed files with 102 additions and 2 deletions
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2
include/linux/libnvdimm.h
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@ -180,6 +180,8 @@ struct nvdimm_security_ops {
const struct nvdimm_key_data *key_data);
int (*disable)(struct nvdimm *nvdimm,
const struct nvdimm_key_data *key_data);
int (*erase)(struct nvdimm *nvdimm,
const struct nvdimm_key_data *key_data);
};
void badrange_init(struct badrange *badrange);