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  • Dave Jiang's avatar
    acpi/nfit, libnvdimm: Introduce nvdimm_security_ops · f2989396
    Dave Jiang authored
    
    
    Some NVDIMMs, like the ones defined by the NVDIMM_FAMILY_INTEL command
    set, expose a security capability to lock the DIMMs at poweroff and
    require a passphrase to unlock them. The security model is derived from
    ATA security. In anticipation of other DIMMs implementing a similar
    scheme, and to abstract the core security implementation away from the
    device-specific details, introduce nvdimm_security_ops.
    
    Initially only a status retrieval operation, ->state(), is defined,
    along with the base infrastructure and definitions for future
    operations.
    
    Signed-off-by: default avatarDave Jiang <dave.jiang@intel.com>
    Co-developed-by: default avatarDan Williams <dan.j.williams@intel.com>
    Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
    f2989396