scsiprint.cpp : Format status indicates no format since manufacture

git-svn-id: https://svn.code.sf.net/p/smartmontools/code/trunk/smartmontools@5556 4ea69e1a-61f1-4043-bf83-b5c94c648137

ChangeLog

@@ -1,5 +1,17 @@
 $Id$
 
+2023-10-16  Douglas Gilbert  <[email protected]>
+
+	scsiprint.cpp : most SCSI disks do not get formatted in their
+	lifetime. The Format status lpage is present on most recent disks
+	and is checked when the --xall option is given. In the common case
+	where a format has been performed (since manufacture) this leads
+	to 5 lines of <not available> output starting with:
+		Grown defects during certification <not available>
+	Detect this situation before printing any of those 5 lines
+	and replace those 5 lines with 1 line:
+		Format status indicates no format since manufacture
+
 2023-10-12  Douglas Gilbert  <[email protected]>
 
 	scsiprint.cpp : misplaced else corrupted the output of the Format

scsiprint.cpp

@@ -2184,7 +2184,8 @@ scsiPrintTapeDeviceStats(scsi_device * device)
 static int
 scsiPrintFormatStatus(scsi_device * device)
 {
-    int num, err, truncated;
+    bool all_not_avail = false;
+    int num, num_hold, err, truncated;
     int retval = 0;
     uint64_t ull;
     uint8_t * ucp;
@@ -2217,6 +2218,40 @@ scsiPrintFormatStatus(scsi_device * device)
         num = LOG_RESP_LONG_LEN;
     ucp = gBuf + 4;
     num -= 4;
+    num_hold = num;
+
+    if (scsi_debugmode == 0) {
+        all_not_avail = true;
+        while (num > 3) {
+            int pc = sg_get_unaligned_be16(ucp + 0);
+            int pl = ucp[3] + 4;
+
+            switch (pc) {
+            case 0:
+                break;
+            case 1:
+            case 2:
+            case 3:
+            case 4:
+                 if (! all_ffs(ucp + 4, ucp[3]))
+                    all_not_avail = false;
+                break;
+            default:
+                break;
+            }
+            if (! all_not_avail)
+                break;
+            num -= pl;
+            ucp += pl;
+        }
+        if (all_not_avail) {
+            jout("Format status indicates no format since manufacture\n");
+            return retval;
+        }
+        num = num_hold;
+        ucp = gBuf + 4;
+    }
+
     while (num > 3) {
         int pc = sg_get_unaligned_be16(ucp + 0);
         // pcb = ucp[2];