Trigger VPD recollection at standby

This commit implement changes to trigger VPD collection at
standby for FRUs which can be replaced at standby.

The recollection is trigerred when the Host current state is
set to "TransitioningToRunning". Implies the state between
Bmc standby state and Host running state.

signed-off-by: Sunny Srivastava <sunnsr25@in.ibm.com>
Change-Id: I9296c80df856afe9a9b1c64a5a01cb3727af5e3c
diff --git a/examples/sample_vpd_inventory_for_recollcetion.json b/examples/sample_vpd_inventory_for_recollcetion.json
new file mode 100644
index 0000000..164c52f
--- /dev/null
+++ b/examples/sample_vpd_inventory_for_recollcetion.json
@@ -0,0 +1,1440 @@
+{
+  "commonInterfaces": {
+    "xyz.openbmc_project.Inventory.Decorator.Asset": {
+      "PartNumber": {
+        "recordName": "VINI",
+        "keywordName": "PN"
+      },
+      "SerialNumber": {
+        "recordName": "VINI",
+        "keywordName": "SN"
+      },
+      "SparePartNumber": {
+        "recordName": "VINI",
+        "keywordName": "FN"
+      },
+      "Model": {
+        "recordName": "VINI",
+        "keywordName": "CC"
+      },
+      "BuildDate": {
+        "recordName": "VR10",
+        "keywordName": "DC",
+        "encoding": "DATE"
+      }
+    },
+    "xyz.openbmc_project.Inventory.Item": {
+      "PrettyName": {
+        "recordName": "VINI",
+        "keywordName": "DR"
+      },
+     "Present": true
+    }
+  },
+  "frus": {
+    "/sys/bus/i2c/drivers/at24/8-0050/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard",
+        "isSystemVpd": true,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Board.Motherboard": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system",
+        "inherit": false,
+        "isSystemVpd": true,
+        "copyRecords": ["VSYS"],
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.System": null,
+          "xyz.openbmc_project.Inventory.Decorator.Asset": {
+            "SerialNumber": {
+              "recordName": "VSYS",
+              "keywordName": "SE"
+            },
+            "Model": {
+              "recordName": "VSYS",
+              "keywordName": "TM"
+            },
+            "SubModel": {
+              "recordName": "VSYS",
+              "keywordName": "BR"
+            }
+          },
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Umts"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis",
+        "isSystemVpd": true,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Chassis": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcieslot0",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C0"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcieslot1",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C1"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcieslot2",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C2"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcieslot3",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C3"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcieslot4",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C4"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcieslot5",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C5"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcieslot6",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C6"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcieslot7",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C7"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcieslot8",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C8"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcieslot9",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C9"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcieslot10",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C10"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcieslot11",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C11"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/powersupply0",
+        "inherit": false,
+        "extraInterfaces": {
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-E0"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/powersupply1",
+        "inherit": false,
+        "extraInterfaces": {
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-E1"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/fan0",
+        "inherit": false,
+        "extraInterfaces": {
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-A0"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/fan1",
+        "inherit": false,
+        "extraInterfaces": {
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-A1"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/fan2",
+        "inherit": false,
+        "extraInterfaces": {
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-A2"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/fan3",
+        "inherit": false,
+        "extraInterfaces": {
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-A3"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/fan4",
+        "inherit": false,
+        "extraInterfaces": {
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-A4"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/fan5",
+        "inherit": false,
+        "extraInterfaces": {
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-A5"
+          }
+        }
+      },
+      {
+      "inventoryPath": "/system/chassis/motherboard/tod_battery",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Battery": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-E0"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/8-0051/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/ebmc_card_bmc",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Bmc": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C5"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/ebmc_card_bmc/ethernet0",
+        "inherit": false,
+        "noprime": true,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Ethernet": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C5-T0"
+          },
+          "xyz.openbmc_project.Inventory.Item.NetworkInterface": {
+            "MACAddress": {
+              "recordName": "VCFG",
+              "keywordName": "Z0",
+              "encoding": "MAC"
+            }
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/ebmc_card_bmc/ethernet1",
+        "inherit": false,
+        "noprime": true,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Ethernet": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C5-T1"
+          },
+          "xyz.openbmc_project.Inventory.Item.NetworkInterface": {
+            "MACAddress": {
+              "recordName": "VCFG",
+              "keywordName": "Z1",
+              "encoding": "MAC"
+            }
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/0-0051/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/tpm_wilson",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Tpm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C22"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/7-0050/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/base_op_panel_blyth",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Panel": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-D0"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/7-0051/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/lcd_op_panel_hill",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Panel": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-D1"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/9-0050/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/vdd_vrm0",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Vrm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C14"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/10-0050/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/vdd_vrm1",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Vrm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C23"
+          }
+        }
+      }
+    ],
+    "/sys/bus/spi/drivers/at25/spi12.0/eeprom": [
+      {
+          "inventoryPath": "/system/chassis/motherboard/cpu0",
+          "powerOffOnly" : true,
+          "offset": 196608,
+          "size": 65504,
+          "type": "fruAndModule",
+          "extraInterfaces": {
+              "xyz.openbmc_project.Inventory.Item.Cpu": null,
+              "com.ibm.ipzvpd.Location" : {
+                  "LocationCode" : "Ufcs-P0-C15"
+              }
+          }
+      },
+      {
+          "inventoryPath": "/system/chassis/motherboard/cpu1",
+          "inheritEI": false,
+          "type": "moduleOnly",
+          "extraInterfaces": {
+              "xyz.openbmc_project.Inventory.Item.Cpu": null,
+              "com.ibm.ipzvpd.Location" : {
+                  "LocationCode" : "Ufcs-P0-C15"
+              }
+          }
+      }
+    ],
+    "/sys/bus/spi/drivers/at25/spi22.0/eeprom": [
+      {
+          "inventoryPath": "/system/chassis/motherboard/cpu1",
+          "powerOffOnly" : true,
+          "offset": 196608,
+          "size": 65504,
+          "inherit": false,
+          "type": "moduleOnly",
+          "extraInterfaces": {
+              "xyz.openbmc_project.Inventory.Item.Cpu": null,
+              "com.ibm.ipzvpd.Location" : {
+                  "LocationCode" : "Ufcs-P0-C15"
+              }
+          }
+      }
+    ],
+    "/sys/bus/spi/drivers/at25/spi32.0/eeprom": [
+      {
+          "inventoryPath": "/system/chassis/motherboard/cpu2",
+          "powerOffOnly" : true,
+          "offset": 196608,
+          "size": 65504,
+          "type": "fruAndModule",
+          "extraInterfaces": {
+              "xyz.openbmc_project.Inventory.Item.Cpu": null,
+              "com.ibm.ipzvpd.Location" : {
+                  "LocationCode" : "Ufcs-P0-C24"
+              }
+          }
+      },
+      {
+          "inventoryPath": "/system/chassis/motherboard/cpu3",
+          "inheritEI": false,
+          "type": "moduleOnly",
+          "extraInterfaces": {
+              "xyz.openbmc_project.Inventory.Item.Cpu": null,
+              "com.ibm.ipzvpd.Location" : {
+                  "LocationCode" : "Ufcs-P0-C24"
+              }
+          }
+      }
+    ],
+    "/sys/bus/spi/drivers/at25/spi42.0/eeprom": [
+      {
+          "inventoryPath": "/system/chassis/motherboard/cpu3",
+          "powerOffOnly" : true,
+          "offset": 196608,
+          "size": 65504,
+          "inherit": false,
+          "type": "moduleOnly",
+          "extraInterfaces": {
+              "xyz.openbmc_project.Inventory.Item.Cpu": null,
+              "com.ibm.ipzvpd.Location" : {
+                  "LocationCode" : "Ufcs-P0-C24"
+              }
+          }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/4-0050/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card0",
+        "bind" : "4-0050",
+	"isReplaceable" : true,
+	"busType" : "i2c",
+        "driverType" : "at24",
+        "preAction" : {
+          "pin" : "SLOT0_PRSNT_EN_RSVD",
+          "value" : 1
+        },
+        "postActionFail" : {
+          "pin" : "SLOT0_PRSNT_EN_RSVD",
+          "value" : 0
+        },
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeDevice": null,
+          "xyz.openbmc_project.Inventory.Item.FabricAdapter": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C0"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card0/cxp_top",
+        "inherit": false,
+        "noprime": true,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Connector": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C0-T0"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card0/cxp_bot",
+        "inherit": false,
+        "noprime": true,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Connector": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C0-T1"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/5-0050/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card3",
+        "bind" : "5-0050",
+	"busType" : "i2c",
+        "driverType" : "at24",
+        "preAction" : {
+          "pin" : "SLOT3_PRSNT_EN_RSVD",
+          "value" : 1
+        },
+        "postActionFail" : {
+          "pin" : "SLOT3_PRSNT_EN_RSVD",
+          "value" : 0
+        },
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeDevice": null,
+          "xyz.openbmc_project.Inventory.Item.FabricAdapter": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C3"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card3/cxp_top",
+        "inherit": false,
+        "noprime": true,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Connector": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C3-T0"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card3/cxp_bot",
+        "inherit": false,
+        "noprime": true,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Connector": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C3-T1"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/5-0051/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card4",
+        "bind" : "5-0051",
+	"isReplaceable" : true,
+	"busType" : "i2c",
+        "driverType" : "at24",
+        "preAction" : {
+          "pin" : "SLOT4_PRSNT_EN_RSVD",
+          "value" : 1
+        },
+        "postActionFail" : {
+          "pin" : "SLOT4_PRSNT_EN_RSVD",
+          "value" : 0
+        },
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeDevice": null,
+          "xyz.openbmc_project.Inventory.Item.FabricAdapter": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C4"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card4/cxp_top",
+        "inherit": false,
+        "noprime": true,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Connector": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C4-T0"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card4/cxp_bot",
+        "inherit": false,
+        "noprime": true,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Connector": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C4-T1"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/11-0050/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card10",
+        "bind" : "11-0050",
+	"isReplaceable" : true,
+	"busType" : "i2c",
+        "driverType" : "at24",
+        "preAction" : {
+          "pin" : "SLOT10_PRSNT_EN_RSVD",
+          "value" : 1
+        },
+        "postActionFail" : {
+          "pin" : "SLOT10_PRSNT_EN_RSVD",
+          "value" : 0
+        },
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeDevice": null,
+          "xyz.openbmc_project.Inventory.Item.FabricAdapter": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C10"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card10/cxp_top",
+        "inherit": false,
+        "noprime": true,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Connector": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C10-T0"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card10/cxp_bot",
+        "inherit": false,
+        "noprime": true,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Connector": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C10-T1"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/4-0052/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card2",
+        "bind" : "4-0052",
+	"isReplaceable" : true,
+	"busType" : "i2c",
+        "driverType" : "at24",
+        "preAction" : {
+          "pin" : "SLOT2_PRSNT_EN_RSVD",
+          "value" : 1
+        },
+        "postActionFail" : {
+          "pin" : "SLOT2_PRSNT_EN_RSVD",
+          "value" : 0
+        },
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeDevice": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C2"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/6-0053/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card6",
+        "bind" : "6-0053",
+	"isReplaceable" : true,
+	"busType" : "i2c",
+        "driverType" : "at24",
+        "preAction" : {
+          "pin" : "SLOT6_PRSNT_EN_RSVD",
+          "value" : 1
+        },
+        "postActionFail" : {
+          "pin" : "SLOT6_PRSNT_EN_RSVD",
+          "value" : 0
+        },
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeDevice": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C6"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/6-0052/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card7",
+        "bind" : "6-0052",
+	"isReplaceable" : true,
+	"busType" : "i2c",
+        "driverType" : "at24",
+        "preAction" : {
+          "pin" : "SLOT7_PRSNT_EN_RSVD",
+          "value" : 1
+        },
+        "postActionFail" : {
+          "pin" : "SLOT7_PRSNT_EN_RSVD",
+          "value" : 0
+        },
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeDevice": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C7"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/6-0050/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card9",
+        "bind" : "6-0050",
+	"isReplaceable" : true,
+	"busType" : "i2c",
+        "driverType" : "at24",
+        "preAction" : {
+          "pin" : "SLOT9_PRSNT_EN_RSVD",
+          "value" : 1
+        },
+        "postActionFail" : {
+          "pin" : "SLOT9_PRSNT_EN_RSVD",
+          "value" : 0
+        },
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeDevice": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C9"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/11-0051/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card11",
+        "bind" : "11-0051",
+	"isReplaceable" : true,
+	"busType" : "i2c",
+        "driverType" : "at24",
+        "preAction" : {
+          "pin" : "SLOT11_PRSNT_EN_RSVD",
+          "value" : 1
+        },
+        "postActionFail" : {
+          "pin" : "SLOT11_PRSNT_EN_RSVD",
+          "value" : 0
+        },
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeDevice": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C11"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/4-0051/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card1",
+        "bind" : "4-0051",
+	"isReplaceable" : true,
+	"busType" : "i2c",
+        "driverType" : "at24",
+        "preAction" : {
+          "pin" : "SLOT1_PRSNT_EN_RSVD",
+          "value" : 1
+        },
+        "postActionFail" : {
+          "pin" : "SLOT1_PRSNT_EN_RSVD",
+          "value" : 0
+        },
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeDevice": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C1"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/6-0051/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/pcie_cable_card8",
+        "bind" : "6-0051",
+	"isReplaceable" : true,
+	"busType" : "i2c",
+	"driverType" : "at24",
+        "preAction" : {
+          "pin" : "SLOT8_PRSNT_EN_RSVD",
+          "value" : 1
+        },
+        "postActionFail" : {
+          "pin" : "SLOT8_PRSNT_EN_RSVD",
+          "value" : 0
+        },
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeDevice": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C8"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/13-0050/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane0",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.DiskBackplane": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P1"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane0/nvme0",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P1-C0"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane0/nvme1",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P1-C1"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane0/nvme2",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P1-C2"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane0/nvme3",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P1-C3"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane0/nvme4",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P1-C4"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane0/nvme5",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P1-C5"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane0/nvme6",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P1-C6"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane0/nvme7",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P1-C7"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/14-0050/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane1",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.DiskBackplane": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P2"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane1/nvme0",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P2-C0"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane1/nvme1",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P2-C1"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane1/nvme2",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P2-C2"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane1/nvme3",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P2-C3"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane1/nvme4",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P2-C4"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane1/nvme5",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P2-C5"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane1/nvme6",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P2-C6"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane1/nvme7",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P2-C7"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/15-0050/eeprom": [
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane2",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.DiskBackplane": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P3"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane2/nvme0",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P3-C0"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane2/nvme1",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P3-C1"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane2/nvme2",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P3-C2"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane2/nvme3",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P3-C3"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane2/nvme4",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P3-C4"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane2/nvme5",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P3-C5"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane2/nvme6",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P3-C6"
+          }
+        }
+      },
+      {
+        "inventoryPath": "/system/chassis/motherboard/disk_backplane2/nvme7",
+        "inherit": false,
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.PCIeSlot": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P3-C7"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/111-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm0",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C12"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/110-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm1",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C13"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/214-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm2",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C16"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/210-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm3",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C17"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/202-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm4",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C18"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/311-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm5",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C19"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/310-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm6",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C20"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/312-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm7",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C21"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/402-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm8",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C25"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/410-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm9",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C26"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/112-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm10",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C27"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/115-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm11",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C28"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/100-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm12",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C29"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/101-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm13",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C30"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/114-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm14",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C31"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/113-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm15",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C32"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/216-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm16",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C33"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/203-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm17",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C34"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/217-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm18",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C35"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/211-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm19",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C36"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/215-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm20",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C37"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/315-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm21",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C38"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/300-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm22",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C39"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/313-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm23",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C40"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/314-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm24",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C41"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/301-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm25",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C42"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/417-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm26",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C43"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/403-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm27",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C44"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/416-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm28",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C45"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/411-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm29",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C46"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/415-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm30",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C47"
+          }
+        }
+      }
+    ],
+    "/sys/bus/i2c/drivers/at24/414-0050/eeprom" :[
+      {
+        "inventoryPath": "/system/chassis/motherboard/dimm31",
+        "extraInterfaces": {
+          "xyz.openbmc_project.Inventory.Item.Dimm": null,
+          "com.ibm.ipzvpd.Location" : {
+              "LocationCode" : "Ufcs-P0-C48"
+          }
+        }
+      }
+    ]
+  }
+}
diff --git a/vpd-manager/manager.cpp b/vpd-manager/manager.cpp
index d05dd69..036f843 100644
--- a/vpd-manager/manager.cpp
+++ b/vpd-manager/manager.cpp
@@ -40,6 +40,7 @@
     try
     {
         processJSON();
+        listenHostState();
 
         auto event = sdeventplus::Event::get_default();
         GpioMonitor gpioMon1(jsonFile, event);
@@ -54,6 +55,48 @@
     }
 }
 
+void Manager::listenHostState()
+{
+    static std::shared_ptr<sdbusplus::bus::match::match> hostState =
+        std::make_shared<sdbusplus::bus::match::match>(
+            _bus,
+            sdbusplus::bus::match::rules::propertiesChanged(
+                "/xyz/openbmc_project/state/host0",
+                "xyz.openbmc_project.State.Host"),
+            [this](sdbusplus::message::message& msg) {
+                hostStateCallBack(msg);
+            });
+}
+
+void Manager::hostStateCallBack(sdbusplus::message::message& msg)
+{
+    if (msg.is_method_error())
+    {
+        std::cerr << "Error in reading signal " << std::endl;
+    }
+
+    Path object;
+    PropertyMap propMap;
+    msg.read(object, propMap);
+    const auto itr = propMap.find("CurrentHostState");
+    if (itr != propMap.end())
+    {
+        if (auto hostState = std::get_if<std::string>(&(itr->second)))
+        {
+            // implies system is moving from standby to power on state
+            if (*hostState == "xyz.openbmc_project.State.Host.HostState."
+                              "TransitioningToRunning")
+            {
+                // check and perfrom recollection for FRUs replaceable at
+                // standby.
+                performVPDRecollection();
+                return;
+            }
+        }
+        std::cerr << "Failed to read Host state" << std::endl;
+    }
+}
+
 void Manager::processJSON()
 {
     std::ifstream json(INVENTORY_JSON_SYM_LINK, std::ios::binary);
@@ -99,7 +142,7 @@
                         .get_ref<const nlohmann::json::string_t&>());
             }
 
-            if (itemEEPROM.value("isReplaceable", false))
+            if (itemEEPROM.value("replaceableAtStandby", false))
             {
                 replaceableFrus.emplace_back(itemFRUS.key());
             }
diff --git a/vpd-manager/manager.hpp b/vpd-manager/manager.hpp
index 41d3ad7..fd1a306 100644
--- a/vpd-manager/manager.hpp
+++ b/vpd-manager/manager.hpp
@@ -129,6 +129,16 @@
      */
     void processJSON();
 
+    /** @brief Api to register host state callback.
+     * This api will register callback to listen for host state property change.
+     */
+    void listenHostState();
+
+    /** @brief Callback to listen for Host state change
+     *  @param[in] msg - callback message.
+     */
+    void hostStateCallBack(sdbusplus::message::message& msg);
+
     /** @brief Persistent sdbusplus DBus bus connection. */
     sdbusplus::bus::bus _bus;