IPMI changes to skip updating non present cores

Cores which are not present need not to be updated
to inventory. This change is for skipping several
updates to inventory based on skipOn value.

Change-Id: I29e005a715ccae1df6eeaf35561a20896ecde0ac
Signed-off-by: Dhruvaraj Subhashchandran <dhruvaraj@in.ibm.com>

4 files changed, 65 insertions, 6 deletions

diff --git a/scripts/sensor-example.yaml b/scripts/sensor-example.yaml
index 52eb076..98e9ff6 100755
--- a/scripts/sensor-example.yaml
+++ b/scripts/sensor-example.yaml
@@ -37,16 +37,16 @@
   interfaces:
     xyz.openbmc_project.Inventory.Item:
       Present:
-        6:
+        0x06:
           assert: true
           deassert: false
           type: bool
     xyz.openbmc_project.State.Decorator.OperationalStatus:
       Functional:
-        4:
-          assert: false
-          deassert: true
-          type: bool
+          0x04:
+            assert: false
+            deassert: true
+            type: bool
 
 0x63:
   interfaces:
@@ -91,3 +91,26 @@
         0xFF:
           type: int64_t
 
+0x54:
+  sensorType: 0x07
+  path: /system/chassis/motherboard/cpu0/core22
+  sensorReadingType: 0x6F
+  serviceInterface: xyz.openbmc_project.Inventory.Manager
+  readingType: assertion
+  interfaces:
+    xyz.openbmc_project.State.Decorator.OperationalStatus:
+      Functional:
+          0x08:
+            assert: false
+            deassert: true
+            type: bool
+    xyz.openbmc_project.Inventory.Item:
+      Present:
+          0x07:
+            assert: true
+            deassert: false
+            #The update will be skipped based on the value of skipOn
+            #in this case if offset 0x07 is deasserted
+            #the update will be skipped.
+            skipOn: deassert
+            type: bool
diff --git a/scripts/writesensor.mako.cpp b/scripts/writesensor.mako.cpp
index 5cc024e..9cd4e48 100644
--- a/scripts/writesensor.mako.cpp
+++ b/scripts/writesensor.mako.cpp
@@ -73,8 +73,21 @@ extern const IdInfoMap sensors = {
 <%                          continue %>\
                         % endif
 <%                          valueType = values["type"] %>\
+<%
+try:
+    skip = values["skipOn"]
+    if skip == "assert":
+         skipVal = "SkipAssertion::ASSERT"
+    elif skip == "deassert":
+         skipVal = "SkipAssertion::DEASSERT"
+    else:
+         assert "Unknown skip value " + str(skip)
+except KeyError, e:
+    skipVal = "SkipAssertion::NONE"
+%>\
+                            ${skipVal},
                     % for name,value in values.items():
-                        % if name == "type":
+                        % if name == "type" or name == "skipOn":
 <%                          continue %>\
                         % endif
                         % if valueType == "string":
diff --git a/sensordatahandler.cpp b/sensordatahandler.cpp
index 1776ec7..c8d4fbf 100644
--- a/sensordatahandler.cpp
+++ b/sensordatahandler.cpp
@@ -318,11 +318,21 @@ ipmi_ret_t assertion(const SetSensorReadingReq& cmdData,
             {
                 if (assertionSet.test(value.first))
                 {
+                    //Skip update if skipOn is ASSERT
+                    if (SkipAssertion::ASSERT == value.second.skip)
+                    {
+                        return IPMI_CC_OK;
+                    }
                     props.emplace(property.first, value.second.assert);
                     valid = true;
                 }
                 else if (deassertionSet.test(value.first))
                 {
+                    //Skip update if skipOn is DEASSERT
+                    if (SkipAssertion::DEASSERT == value.second.skip)
+                    {
+                        return IPMI_CC_OK;
+                    }
                     props.emplace(property.first, value.second.deassert);
                     valid = true;
                 }
@@ -333,6 +343,7 @@ ipmi_ret_t assertion(const SetSensorReadingReq& cmdData,
             }
         }
     }
+
     objects.emplace(sensorInfo.sensorPath, std::move(interfaces));
     msg.append(std::move(objects));
     return updateToDbus(msg);
diff --git a/types.hpp b/types.hpp
index 41dddd9..d3be704 100644
--- a/types.hpp
+++ b/types.hpp
@@ -32,8 +32,20 @@ namespace sensor
 
 using Offset = uint8_t;
 
+/**
+ * @enum SkipAssertion
+ * Matching value for skipping the update
+ */
+enum class SkipAssertion
+{
+    NONE, //No skip defined
+    ASSERT, //Skip on Assert
+    DEASSERT, //Skip on Deassert
+};
+
 struct Values
 {
+   SkipAssertion skip;
    Value assert;
    Value deassert;
 };