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-rw-r--r--Documentation/ABI/testing/sysfs-bus-cxl10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl
index 1fd5984b6158..e94c5aebc368 100644
--- a/Documentation/ABI/testing/sysfs-bus-cxl
+++ b/Documentation/ABI/testing/sysfs-bus-cxl
@@ -164,3 +164,13 @@ Description:
expander memory (type-3). The 'target_type' attribute indicates
the current setting which may dynamically change based on what
memory regions are activated in this decode hierarchy.
+
+What: /sys/bus/cxl/devices/endpointX/CDAT
+Date: July, 2022
+KernelVersion: v5.20
+Contact: linux-cxl@vger.kernel.org
+Description:
+ (RO) If this sysfs entry is not present no DOE mailbox was
+ found to support CDAT data. If it is present and the length of
+ the data is 0 reading the CDAT data failed. Otherwise the CDAT
+ data is reported.