diff --git a/misc/config_tools/board_config/board_c.py b/misc/config_tools/board_config/board_c.py
index 655cfc6c4..c1ce14e29 100644
--- a/misc/config_tools/board_config/board_c.py
+++ b/misc/config_tools/board_config/board_c.py
@@ -408,8 +408,14 @@ def gen_px_cx(config):
 
 def gen_pci_hide(config):
     """Generate hide pci information for this platform"""
+
+    scenario_etree = lxml.etree.parse(common.SCENARIO_INFO_FILE)
+    hidden_pdev_list = [x.replace('.', ':') for x in scenario_etree.xpath(f"//HIDDEN_PDEV/text()")]
+
     if board_cfg_lib.BOARD_NAME in list(board_cfg_lib.KNOWN_HIDDEN_PDEVS_BOARD_DB.keys()) and board_cfg_lib.KNOWN_HIDDEN_PDEVS_BOARD_DB[board_cfg_lib.BOARD_NAME] != 0:
-        hidden_pdev_list = board_cfg_lib.KNOWN_HIDDEN_PDEVS_BOARD_DB[board_cfg_lib.BOARD_NAME]
+        hidden_pdev_list += board_cfg_lib.KNOWN_HIDDEN_PDEVS_BOARD_DB[board_cfg_lib.BOARD_NAME] + scenario_pdev_list
+
+    if len(hidden_pdev_list) > 0:
         hidden_pdev_num = len(hidden_pdev_list)
         print("const union pci_bdf plat_hidden_pdevs[MAX_HIDDEN_PDEVS_NUM] = {", file=config)
         for hidden_pdev_i in range(hidden_pdev_num):
diff --git a/misc/config_tools/schema/VMtypes.xsd b/misc/config_tools/schema/VMtypes.xsd
index ce4ef09be..4ced8e02d 100644
--- a/misc/config_tools/schema/VMtypes.xsd
+++ b/misc/config_tools/schema/VMtypes.xsd
@@ -272,6 +272,16 @@ The size is a subset of the VM's total memory size specified on the Basic tab.</
   </xs:all>
 </xs:complexType>
 
+<xs:complexType name="HiddenDevType">
+  <xs:all>
+    <xs:element name="HIDDEN_PDEV" type="VBDFType" minOccurs="0" maxOccurs="unbounded">
+      <xs:annotation acrn:views="">
+        <xs:documentation>Specify the hidden device vBDF</xs:documentation>
+      </xs:annotation>
+    </xs:element>
+  </xs:all>
+</xs:complexType>
+
 <xs:complexType name="PCIDevsConfiguration">
   <xs:sequence>
     <xs:element name="pci_dev" type="xs:string" minOccurs="0" maxOccurs="unbounded">
diff --git a/misc/config_tools/schema/checks/vbdf_assignment.xsd b/misc/config_tools/schema/checks/vbdf_assignment.xsd
index c151c2fed..c17f93f63 100644
--- a/misc/config_tools/schema/checks/vbdf_assignment.xsd
+++ b/misc/config_tools/schema/checks/vbdf_assignment.xsd
@@ -24,4 +24,11 @@
     </xs:annotation>
   </xs:assert>
 
+  <xs:assert test="every $vm in /acrn-config//vm[./load_order/text() = 'PRE_LAUNCHED_VM' and ./mmio_resources/p2sb/text() = 'y'] satisfies
+                   count(/acrn-config//HIDDEN_PDEV[./text() = '00:1f.1']) = 0">
+    <xs:annotation acrn:severity="error" acrn:report-on="/acrn-config//p2sb[./text() = 'y']">
+      <xs:documentation>Can't passthrough P2SB to VM {/acrn-config//vm[./load_order/text() = 'PRE_LAUNCHED_VM' and .//p2sb/text() = 'y']/name/text()} because '00:1f.1' is set as a hidden device".</xs:documentation>
+    </xs:annotation>
+  </xs:assert>
+
 </xs:schema>
diff --git a/misc/config_tools/schema/config.xsd b/misc/config_tools/schema/config.xsd
index 2bb5a4fb8..d75971524 100644
--- a/misc/config_tools/schema/config.xsd
+++ b/misc/config_tools/schema/config.xsd
@@ -304,6 +304,13 @@ Refer to :ref:`vuart_config` for detailed vUART settings.</xs:documentation>
 	<xs:documentation>Miscellaneous options for workarounds.</xs:documentation>
       </xs:annotation>
     </xs:element>
+
+    <xs:element name="HIDDEN_PDEV_REGION" type="HiddenDevType" minOccurs="0">
+      <xs:annotation acrn:views="">
+        <xs:documentation>Specify the hidden devices.</xs:documentation>
+      </xs:annotation>
+    </xs:element>
+
     <xs:element name="CACHE_REGION" type="CacheRegionType" minOccurs="0">
       <xs:annotation acrn:views="advanced">
         <xs:documentation>Specify the cache setting.</xs:documentation>
diff --git a/misc/config_tools/xforms/lib.xsl b/misc/config_tools/xforms/lib.xsl
index 2fdad6b37..8974cc16a 100644
--- a/misc/config_tools/xforms/lib.xsl
+++ b/misc/config_tools/xforms/lib.xsl
@@ -375,6 +375,9 @@
       <xsl:when test="//@board = 'apl-up2'">
         <func:result select="1" />
       </xsl:when>
+      <xsl:when test="count(//HIDDEN_PDEV/text()) > 0">
+        <func:result select="count(//HIDDEN_PDEV/text())" />
+      </xsl:when>
       <xsl:otherwise>
         <func:result select="0" />
       </xsl:otherwise>