Merge SP1A.200727.001

Change-Id: If248123aff4ebeac81e4a28632798148af8dc7bd

1 files changed, 19 insertions, 0 deletions

diff --git a/common/dynamic_partition_control_interface.h b/common/dynamic_partition_control_interface.h
index 58ebfe46..7c2d0b0c 100644
--- a/common/dynamic_partition_control_interface.h
+++ b/common/dynamic_partition_control_interface.h
@@ -21,6 +21,7 @@
 
 #include <memory>
 #include <string>
+#include <vector>
 
 #include "update_engine/common/action.h"
 #include "update_engine/common/cleanup_previous_update_action_delegate.h"
@@ -118,6 +119,24 @@ class DynamicPartitionControlInterface {
   // progress, while ResetUpdate() forcefully free previously
   // allocated space for snapshot updates.
   virtual bool ResetUpdate(PrefsInterface* prefs) = 0;
+
+  // Reads the dynamic partitions metadata from the current slot, and puts the
+  // name of the dynamic partitions with the current suffix to |partitions|.
+  // Returns true on success.
+  virtual bool ListDynamicPartitionsForSlot(
+      uint32_t current_slot, std::vector<std::string>* partitions) = 0;
+
+  // Finds a possible location that list all block devices by name; and puts
+  // the result in |path|. Returns true on success.
+  // Sample result: /dev/block/by-name/
+  virtual bool GetDeviceDir(std::string* path) = 0;
+
+  // Verifies that the untouched dynamic partitions in the target metadata have
+  // the same extents as the source metadata.
+  virtual bool VerifyExtentsForUntouchedPartitions(
+      uint32_t source_slot,
+      uint32_t target_slot,
+      const std::vector<std::string>& partitions) = 0;
 };
 
 }  // namespace chromeos_update_engine