update_engine: Add hardware support for firmware_max_rollforward
- Adds the methods to get and set firmware_max_rollforward
- This is for supporting the rollback feature
- A future CL will set these values based on policy
BUG=chromium:840432
TEST=unittests
Change-Id: I560f4cef9595d4a52d011fcfeb7b2675a096aefa
Reviewed-on: https://chromium-review.googlesource.com/1062766
Commit-Ready: Zentaro Kavanagh <zentaro@chromium.org>
Tested-by: Zentaro Kavanagh <zentaro@chromium.org>
Reviewed-by: Amin Hassani <ahassani@chromium.org>
diff --git a/hardware_android.cc b/hardware_android.cc
index 3f0fb59..deabc5c 100644
--- a/hardware_android.cc
+++ b/hardware_android.cc
@@ -174,6 +174,17 @@
return -1;
}
+int HardwareAndroid::GetMaxFirmwareKeyRollforward() const {
+ LOG(WARNING) << "STUB: Getting firmware_max_rollforward is not supported.";
+ return -1;
+}
+
+bool HardwareAndroid::SetMaxFirmwareKeyRollforward(
+ int firmware_max_rollforward) {
+ LOG(WARNING) << "STUB: Setting firmware_max_rollforward is not supported.";
+ return false;
+}
+
bool HardwareAndroid::SetMaxKernelKeyRollforward(int kernel_max_rollforward) {
LOG(WARNING) << "STUB: Setting kernel_max_rollforward is not supported.";
return false;