Add 'has_all_fields' function to parent register class and store vid in pci device

Signed-off-by: Nathaniel Mitchell <nathaniel.p.mitchell@intel.com>

Author: npmitche

chipsec/cfg/parsers/ip/pci_device.py

@@ -179,6 +179,7 @@ def __init__(self, cfg_obj: Dict[str, Any]):
         try:
             # Handle device ID and name
             self.did: Optional[int] = cfg_obj.get('did', None)
+            self.vid: Optional[int] = cfg_obj.get('vid', None)
             if 'name' not in cfg_obj and self.did is not None:
                 cfg_obj['name'] = str(self.did)
                 self.__name_updated = False

chipsec/library/register.py

@@ -502,6 +502,9 @@ def get_field(
     def has_field(self, field_name: str) -> bool:
         return self.fields.get(field_name, None) is not None
 
+    def has_all_fields(self, field_names: List[str]) -> bool:
+        return all(self.has_field(name) for name in field_names)
+
     def get_mask(self) -> int:
         mask = make_mask(self.size * 8)
         return mask