diff --git a/payload_consumer/install_plan.h b/payload_consumer/install_plan.h
new file mode 100644
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+++ b/payload_consumer/install_plan.h
@@ -0,0 +1,157 @@
+//
+// Copyright (C) 2011 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#ifndef UPDATE_ENGINE_PAYLOAD_CONSUMER_INSTALL_PLAN_H_
+#define UPDATE_ENGINE_PAYLOAD_CONSUMER_INSTALL_PLAN_H_
+
+#include <string>
+#include <vector>
+
+#include <base/macros.h>
+#include <brillo/secure_blob.h>
+
+#include "update_engine/common/action.h"
+#include "update_engine/common/boot_control_interface.h"
+#include "update_engine/system_state.h"
+
+// InstallPlan is a simple struct that contains relevant info for many
+// parts of the update system about the install that should happen.
+namespace chromeos_update_engine {
+
+struct InstallPlan {
+  InstallPlan(bool is_resume,
+              bool is_full_update,
+              const std::string& url,
+              uint64_t payload_size,
+              const std::string& payload_hash,
+              uint64_t metadata_size,
+              const std::string& metadata_signature,
+              const std::string& public_key_rsa);
+
+  // Default constructor.
+  InstallPlan() = default;
+
+  bool operator==(const InstallPlan& that) const;
+  bool operator!=(const InstallPlan& that) const;
+
+  void Dump() const;
+
+  // Load the |source_path| and |target_path| of all |partitions| based on the
+  // |source_slot| and |target_slot| if available. Returns whether it succeeded
+  // to load all the partitions for the valid slots.
+  bool LoadPartitionsFromSlots(SystemState* system_state);
+
+  bool is_resume{false};
+  bool is_full_update{false};
+  std::string download_url;  // url to download from
+  std::string version;       // version we are installing.
+
+  uint64_t payload_size{0};              // size of the payload
+  std::string payload_hash;              // SHA256 hash of the payload
+  uint64_t metadata_size{0};             // size of the metadata
+  std::string metadata_signature;        // signature of the  metadata
+
+  // The partition slots used for the update.
+  BootControlInterface::Slot source_slot{BootControlInterface::kInvalidSlot};
+  BootControlInterface::Slot target_slot{BootControlInterface::kInvalidSlot};
+
+  // The vector below is used for partition verification. The flow is:
+  //
+  // 1. FilesystemVerifierAction computes and fills in the source partition
+  // hash based on the guessed source size for delta major version 1 updates.
+  //
+  // 2. DownloadAction verifies the source partition sizes and hashes against
+  // the expected values transmitted in the update manifest. It fills in the
+  // expected target partition sizes and hashes based on the manifest.
+  //
+  // 3. FilesystemVerifierAction computes and verifies the applied partition
+  // sizes and hashes against the expected values in target_partition_hashes.
+  struct Partition {
+    bool operator==(const Partition& that) const;
+
+    // The name of the partition.
+    std::string name;
+
+    std::string source_path;
+    uint64_t source_size{0};
+    brillo::Blob source_hash;
+
+    std::string target_path;
+    uint64_t target_size{0};
+    brillo::Blob target_hash;
+
+    // Whether we should run the postinstall script from this partition.
+    bool run_postinstall{false};
+  };
+  std::vector<Partition> partitions;
+
+  // True if payload hash checks are mandatory based on the system state and
+  // the Omaha response.
+  bool hash_checks_mandatory{false};
+
+  // True if Powerwash is required on reboot after applying the payload.
+  // False otherwise.
+  bool powerwash_required{false};
+
+  // If not blank, a base-64 encoded representation of the PEM-encoded
+  // public key in the response.
+  std::string public_key_rsa;
+};
+
+class InstallPlanAction;
+
+template<>
+class ActionTraits<InstallPlanAction> {
+ public:
+  // Takes the install plan as input
+  typedef InstallPlan InputObjectType;
+  // Passes the install plan as output
+  typedef InstallPlan OutputObjectType;
+};
+
+// Basic action that only receives and sends Install Plans.
+// Can be used to construct an Install Plan to send to any other Action that
+// accept an InstallPlan.
+class InstallPlanAction : public Action<InstallPlanAction> {
+ public:
+  InstallPlanAction() {}
+  explicit InstallPlanAction(const InstallPlan& install_plan):
+    install_plan_(install_plan) {}
+
+  void PerformAction() override {
+    if (HasOutputPipe()) {
+      SetOutputObject(install_plan_);
+    }
+    processor_->ActionComplete(this, ErrorCode::kSuccess);
+  }
+
+  InstallPlan* install_plan() { return &install_plan_; }
+
+  static std::string StaticType() { return "InstallPlanAction"; }
+  std::string Type() const override { return StaticType(); }
+
+  typedef ActionTraits<InstallPlanAction>::InputObjectType InputObjectType;
+  typedef ActionTraits<InstallPlanAction>::OutputObjectType OutputObjectType;
+
+ private:
+  InstallPlan install_plan_;
+
+  DISALLOW_COPY_AND_ASSIGN(InstallPlanAction);
+};
+
+}  // namespace chromeos_update_engine
+
+#endif  // UPDATE_ENGINE_PAYLOAD_CONSUMER_INSTALL_PLAN_H_