1 files changed, 57 insertions, 0 deletions
diff --git a/Kernel/Storage/Partition/GUIDPartitionTable.h b/Kernel/Storage/Partition/GUIDPartitionTable.h
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+++ b/Kernel/Storage/Partition/GUIDPartitionTable.h
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+/*
+ * Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <AK/RefPtr.h>
+#include <AK/Result.h>
+#include <AK/Types.h>
+#include <AK/Vector.h>
+#include <Kernel/Storage/Partition/MBRPartitionTable.h>
+
+namespace Kernel {
+
+struct GUIDPartitionHeader;
+class GUIDPartitionTable final : public MBRPartitionTable {
+public:
+    virtual ~GUIDPartitionTable() {};
+
+    static Result<NonnullOwnPtr<GUIDPartitionTable>, PartitionTable::Error> try_to_initialize(const StorageDevice&);
+    explicit GUIDPartitionTable(const StorageDevice&);
+
+    virtual Type type() const override { return Type::GPT; };
+    virtual bool is_valid() const override { return m_valid; };
+
+private:
+    bool is_unused_entry(ByteBuffer) const;
+    const GUIDPartitionHeader& header() const;
+    bool initialize();
+
+    bool m_valid { true };
+    ByteBuffer m_cached_header;
+};
+
+}