Check for DIMM failures in cosmo

check the various DIMM PCAMP signals

Author: labbott

task/cosmo-spd/src/main.rs

@@ -31,6 +31,7 @@ enum Trace {
     Ready,
     Present { index: usize, present: bool },
     TemperatureReadTimeout { index: usize, pos: usize },
+    DimmFailure { index: usize },
 }
 
 ringbuf!(Trace, 32, Trace::None);
@@ -263,6 +264,15 @@ impl idol_runtime::NotificationHandler for ServerImpl {
             }};
         }
 
+        macro_rules! check_dimm_failure {
+            ($dev:ident, $index:expr) => {
+                let $dev = self.dimms.dimm_pcamp.$dev();
+                if !$dev {
+                    ringbuf_entry!(Trace::DimmFailure { index: $index });
+                }
+            };
+        }
+
         for (index, present) in self.present.iter().cloned().enumerate() {
             let bus = index / 6; // FPGA bus (0 or 1)
             let dev = index % 6; // device index (SDI, 0-6)
@@ -318,6 +328,46 @@ impl idol_runtime::NotificationHandler for ServerImpl {
 
                 // Send the value to the sensors task
                 self.sensor.post_now(DIMM_SENSORS[index][pos], temp_c);
+
+                match index {
+                    0 => {
+                        check_dimm_failure!(pcamp_a, 0);
+                    }
+                    1 => {
+                        check_dimm_failure!(pcamp_b, 1);
+                    }
+                    2 => {
+                        check_dimm_failure!(pcamp_c, 2);
+                    }
+                    3 => {
+                        check_dimm_failure!(pcamp_d, 3);
+                    }
+                    4 => {
+                        check_dimm_failure!(pcamp_e, 4);
+                    }
+                    5 => {
+                        check_dimm_failure!(pcamp_f, 5);
+                    }
+                    6 => {
+                        check_dimm_failure!(pcamp_g, 6);
+                    }
+                    7 => {
+                        check_dimm_failure!(pcamp_h, 7);
+                    }
+                    8 => {
+                        check_dimm_failure!(pcamp_i, 8);
+                    }
+                    9 => {
+                        check_dimm_failure!(pcamp_j, 9);
+                    }
+                    10 => {
+                        check_dimm_failure!(pcamp_k, 10);
+                    }
+                    11 => {
+                        check_dimm_failure!(pcamp_l, 11);
+                    }
+                    _ => unreachable!(),
+                }
             }
         }
         set_timer_relative(TIMER_INTERVAL, notifications::TIMER_MASK);