Ticket #149: megaraid.patch

os_linux.cpp

@@ -1046 +1046 @@
         pout("%s", buff);
   }
 
-  /* Controller rejects Enable SMART and Test Unit Ready */
+  // Controller rejects Test Unit Ready
   if (iop->cmnd[0] == 0x00)
     return true;
-  if (iop->cmnd[0] == 0x85 && iop->cmnd[1] == 0x06) {
-    if(report > 0)
-      pout("Rejecting SMART/ATA command to controller\n");
-    // Emulate SMART STATUS CHECK drive reply
-    // smartctl fail to work without this
-    if(iop->cmnd[2]==0x2c) {
-      iop->resp_sense_len=22; // copied from real response
-      iop->sensep[0]=0x72; // descriptor format
-      iop->sensep[7]=0x0e; // additional length
-      iop->sensep[8]=0x09; // description pointer
-      iop->sensep[17]=0x4f; // low cylinder GOOD smart status
-      iop->sensep[19]=0xc2; // high cylinder GOOD smart status
-    }
-    return true;
+
+  if (iop->cmnd[0] == 0xa1 || iop->cmnd[0] == 0x85) { // SAT_ATA_PASSTHROUGH_12/16
+    // Controller does not return ATA output registers in SAT sense data
+    if (iop->cmnd[2] & (1 << 5)) // chk_cond
+      return set_err(ENOSYS, "ATA output registers not supported");
+    // TODO: Controller rejects Enable SMART
   }
 
   if (pt_cmd == NULL)