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

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.

Dave Jiang committed 3 years ago

Commit a072f7b1 parent abf0c834 files · +13 −0Browse files

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include/uapi/linux/cxl_mem.h+1−0

@@ -44,6 +44,7 @@ · 43 unmodified lines
44	44	___C(GET_SECURITY_STATE, "Get Security State"), \
45	45	___C(SET_PASSPHRASE, "Set Passphrase"), \
46	46	___C(DISABLE_PASSPHRASE, "Disable Passphrase"), \
	47	+ ___C(FREEZE_SECURITY, "Freeze Security"), \
47	48	___C(MAX, "invalid / last command")
48	49
49	50	#define ___C(a, b) CXL_MEM_COMMAND_ID_##a