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authorDave Jiang <dave.jiang@intel.com>2022-11-30 22:22:10 +0300
committerDan Williams <dan.j.williams@intel.com>2022-12-01 23:42:35 +0300
commita072f7b7972fd85bdefefa1d6febec483438d420 (patch)
tree2b703ed3bd7b49e167ded7aeeaeb2548099429ba /drivers/cxl/cxlmem.h
parentabf0c8380a487d050da58e344635f4e96dd3c467 (diff)
downloadlinux-a072f7b7972fd85bdefefa1d6febec483438d420.tar.xz
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. 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>
Diffstat (limited to 'drivers/cxl/cxlmem.h')
-rw-r--r--drivers/cxl/cxlmem.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h
index 9ad92f975b78..9007158969fe 100644
--- a/drivers/cxl/cxlmem.h
+++ b/drivers/cxl/cxlmem.h
@@ -276,6 +276,7 @@ enum cxl_opcode {
CXL_MBOX_OP_GET_SECURITY_STATE = 0x4500,
CXL_MBOX_OP_SET_PASSPHRASE = 0x4501,
CXL_MBOX_OP_DISABLE_PASSPHRASE = 0x4502,
+ CXL_MBOX_OP_FREEZE_SECURITY = 0x4504,
CXL_MBOX_OP_MAX = 0x10000
};