cxl/pmem: Add "Freeze Security State" security command support

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Create callback function to support the nvdimm_security_ops() ->freeze()
callback. Translate the operation to send "Freeze Security State" security
command for CXL memory device.

See CXL rev3.0 spec section 8.2.9.8.6.5 for reference.

Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/166983613019.2734609.10645754779802492122.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

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Dave Jiang 2022-11-30 12:22:10 -07:00 • committed by Dan Williams

parent abf0c8380a

commit a072f7b797

4 changed files with 13 additions and 0 deletions

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1

drivers/cxl/core/mbox.c

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1

drivers/cxl/cxlmem.h

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10

drivers/cxl/security.c

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1

include/uapi/linux/cxl_mem.h

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