pf2: add drv::Initialize(Volume *)

libraries/libvapours/source/prfile2/prfile2_drv.cpp

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#if defined(ATMOSPHERE_IS_STRATOSPHERE)
+#include <stratosphere.hpp>
+#elif defined(ATMOSPHERE_IS_MESOSPHERE)
+#include <mesosphere.hpp>
+#elif defined(ATMOSPHERE_IS_EXOSPHERE)
+#include <exosphere.hpp>
+#else
+#include <vapours.hpp>
+#endif
+
+namespace ams::prfile2::drv {
+
+    pf::Error Initialize(Volume *volume) {
+        /* Check the volume. */
+        if (volume == nullptr) {
+            return pf::Error_InvalidParameter;
+        }
+
+        /* Check the data erase request. */
+        bool data_erase;
+        if (auto pdm_err = pdm::part::CheckDataEraseRequest(volume->partition_handle, std::addressof(data_erase)); pdm_err != pdm::Error_Ok) {
+            return pf::Error_Generic;
+        }
+
+        /* Set the data erase request flag. */
+        volume->SetDataEraseRequested(data_erase);
+        return pf::Error_Ok;
+    }
+
+}