Changed the Logic for returning the correct ARSstatus

Signed-off-by: Amy Wang <Amy2.Wang@intel.com>

Author: Amy2Wang

DcpmPkg/driver/Core/Dimm.c

@@ -1628,16 +1628,18 @@ GetDimmARSStatusFromARSPayload(
 
   *pDimmARSStatus = ARS_STATUS_UNKNOWN;
 
-  if (pARSPayload->Enable) {
-    *pDimmARSStatus = ARS_STATUS_IN_PROGRESS;
-  } else if (pARSPayload->DPACurrentAddress < pARSPayload->DPAEndAddress) {
+  if ((pARSPayload->DPACurrentAddress == pARSPayload->DPAEndAddress) && !(pARSPayload->Enable)) {
+    *pDimmARSStatus = ARS_STATUS_COMPLETED;
+  }  else if ((pARSPayload->DPACurrentAddress > pARSPayload->DPAStartAddress) &&
+             (pARSPayload->DPACurrentAddress < pARSPayload->DPAEndAddress) &&
+             !(pARSPayload->Enable)) {
     *pDimmARSStatus = ARS_STATUS_ABORTED;
-  } else if (pARSPayload->DPACurrentAddress == pARSPayload->DPAEndAddress) {
-    if (pARSPayload->DPACurrentAddress == 0x00) {
-      *pDimmARSStatus = ARS_STATUS_NOT_STARTED;
-    } else {
-      *pDimmARSStatus = ARS_STATUS_COMPLETED;
-    }
+  } else if ((pARSPayload->DPACurrentAddress == 0x00) || (pARSPayload->DPACurrentAddress == pARSPayload->DPAStartAddress)) {
+    *pDimmARSStatus = ARS_STATUS_NOT_STARTED;
+  } else if ((pARSPayload->DPACurrentAddress > pARSPayload->DPAStartAddress) && (pARSPayload->Enable)) {
+    *pDimmARSStatus = ARS_STATUS_IN_PROGRESS;
+  } else {
+    *pDimmARSStatus = ARS_STATUS_UNKNOWN;
   }
 
 Finish:

Documentation/ipmctl/DIMM_Discovery/ipmctl-show-device.txt

@@ -436,13 +436,16 @@ SKUViolation::
   - 1: True
 
 ARSStatus::
-  The address range scrub (ARS) operation status for the DCPMM. One of:
+  The address range scrub (ARS) operation status for the DCPMM. The status is a
+  reflection of the last requested ARS, but not necessarily within the current
+  platform power cycle. One of:
   - Unknown - The ARS operation status cannot be determined.
-  - Not started - An ARS operation was not run on the last boot.
+  - Not started - An ARS operation has not started.
   - In progress - An ARS operation is currently in progress.
-  - Completed - An ARS operation completed since the last boot.
-  - Aborted - An ARS operation was started on the last boot but it did not
-    complete because it aborted.
+  - Completed - The last ARS operation has completed.
+  - Aborted - An last ARS operation was aborted.
+
+
 
 OverwriteStatus::
   The overwrite DIMM operation status for the DCPMM. One of: