nvdimm/cxl/pmem: Add support for master passphrase disable security command
authorDave Jiang <dave.jiang@intel.com>
Wed, 30 Nov 2022 19:22:44 +0000 (12:22 -0700)
committerDan Williams <dan.j.williams@intel.com>
Thu, 1 Dec 2022 20:42:35 +0000 (12:42 -0800)
commitdcedadfae28562ad04bc351cabfbc0c65b810847
treee16c310290851c1da761ec761b3d19aba3af2740
parent9f01733387460ee373eb8da4292062ffc5fa340b
nvdimm/cxl/pmem: Add support for master passphrase disable security command

The original nvdimm_security_ops ->disable() only supports user passphrase
for security disable. The CXL spec introduced the disabling of master
passphrase. Add a ->disable_master() callback to support this new operation
and leaving the old ->disable() mechanism alone. A "disable_master" command
is added for the sysfs attribute in order to allow command to be issued
from userspace. ndctl will need enabling in order to utilize this new
operation.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/166983616454.2734609.14204031148234398086.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
drivers/cxl/security.c
drivers/nvdimm/security.c
include/linux/libnvdimm.h