1 files changed, 13 insertions, 1 deletions
diff --git a/common/dynamic_partition_control_interface.h b/common/dynamic_partition_control_interface.h
index c8a2274c..4f46f740 100644
--- a/common/dynamic_partition_control_interface.h
+++ b/common/dynamic_partition_control_interface.h
@@ -26,6 +26,7 @@
 #include "update_engine/common/action.h"
 #include "update_engine/common/cleanup_previous_update_action_delegate.h"
 #include "update_engine/common/error_code.h"
+#include "update_engine/common/prefs_interface.h"
 #include "update_engine/payload_consumer/file_descriptor.h"
 #include "update_engine/update_metadata.pb.h"
 
@@ -36,6 +37,12 @@ class ISnapshotWriter;
 
 namespace chromeos_update_engine {
 
+struct PartitionDevice {
+  std::string rw_device_path;
+  std::string mountable_device_path;
+  bool is_dynamic;
+};
+
 struct FeatureFlag {
   enum class Value { NONE = 0, RETROFIT, LAUNCH };
   constexpr explicit FeatureFlag(Value value) : value_(value) {}
@@ -48,7 +55,6 @@ struct FeatureFlag {
 };
 
 class BootControlInterface;
-class PrefsInterface;
 
 class DynamicPartitionControlInterface {
  public:
@@ -154,6 +160,12 @@ class DynamicPartitionControlInterface {
       const std::string& unsuffixed_partition_name,
       const std::optional<std::string>&,
       bool is_append = false) = 0;
+  virtual FileDescriptorPtr OpenCowReader(
+      const std::string& unsuffixed_partition_name,
+      const std::optional<std::string>&,
+      bool is_append = false) = 0;
+
+  virtual bool IsDynamicPartition(const std::string& part_name) = 0;
 
   // Create virtual block devices for all partitions.
   virtual bool MapAllPartitions() = 0;