rasdaemon: Identify the DIe Number in multidie system

Some AMD systems have 4 dies in each socket and Die ID represents whether the error occured on cpu die or gpu die. Also, respective Die used for FRU identification. Signed-off-by: Muralidhara M K <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
mchehab · Oct 23, 2023 · c785d30 · c785d30
1 parent 2d15882
commit c785d30
Showing 1 changed file with 9 additions and 4 deletions.
diff --git a/mce-amd-smca.c b/mce-amd-smca.c
@@ -935,10 +935,15 @@ void decode_smca_error(struct mce_event *e, struct mce_priv *m)
 			     xec);
 
 	if ((bank_type == SMCA_UMC || bank_type == SMCA_UMC_QUIRK) && xec == 0) {
-		channel = find_umc_channel(e);
-		csrow = e->synd & 0x7; /* Bit 0, 1 ,2 */
-		mce_snprintf(e->mc_location, "memory_channel=%d,csrow=%d",
-			     channel, csrow);
+		if ((m->family == 0x19) && (m->model >= 0x90 && m->model <= 0x9f)) {
+			/* MCA_IPID[InstanceIdHi] give the AMD Node Die ID */
+			mce_snprintf(e->mc_location, "memory_die_id=%d", mcatype_instancehi / 4);
+		} else {
+			channel = find_umc_channel(e);
+			csrow = e->synd & 0x7; /* Bit 0, 1 ,2 */
+			mce_snprintf(e->mc_location, "memory_channel=%d,csrow=%d",
+				     channel, csrow);
+		}
 	}
 
 	if (bank_type == SMCA_UMC_V2 && xec == 0) {