diff --git a/Kernel/CMakeLists.txt b/Kernel/CMakeLists.txt index 5486c515cb..373d0ebfb2 100644 --- a/Kernel/CMakeLists.txt +++ b/Kernel/CMakeLists.txt @@ -36,6 +36,7 @@ set(KERNEL_SOURCES Devices/VMWareBackdoor.cpp Devices/ZeroDevice.cpp Storage/Partition/DiskPartition.cpp + Storage/Partition/DiskPartitionMetadata.cpp Storage/Partition/EBRPartitionTable.cpp Storage/Partition/GPTPartitionTable.cpp Storage/Partition/MBRPartitionTable.cpp diff --git a/Kernel/Storage/Partition/DiskPartitionMetadata.cpp b/Kernel/Storage/Partition/DiskPartitionMetadata.cpp new file mode 100644 index 0000000000..99c5a17d21 --- /dev/null +++ b/Kernel/Storage/Partition/DiskPartitionMetadata.cpp @@ -0,0 +1,81 @@ +/* + * Copyright (c) 2020, Liav A. + * 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. + */ + +#include + +namespace Kernel { +DiskPartitionMetadata::DiskPartitionMetadata(u64 start_block, u64 end_block, ByteBuffer partition_type) + : m_start_block(start_block) + , m_end_block(end_block) + , m_partition_type(partition_type) +{ + ASSERT(!m_partition_type.is_empty()); +} +DiskPartitionMetadata::DiskPartitionMetadata(u64 start_block, u64 end_block, ByteBuffer partition_guid, ByteBuffer unique_guid, u64 special_attributes, String name) + : m_start_block(start_block) + , m_end_block(end_block) + , m_partition_type(partition_guid) + , m_unique_guid(unique_guid) + , m_attributes(special_attributes) + , m_name(name) +{ + ASSERT(!m_partition_type.is_empty()); + ASSERT(!m_unique_guid.is_empty()); +} +u64 DiskPartitionMetadata::start_block() const +{ + return m_start_block; +} +u64 DiskPartitionMetadata::end_block() const +{ + return m_end_block; +} +Optional DiskPartitionMetadata::special_attributes() const +{ + if (m_attributes == 0) + return {}; + return m_attributes; +} +Optional DiskPartitionMetadata::name() const +{ + if (m_name.is_null() || m_name.is_empty()) + return {}; + return m_name; +} +Optional DiskPartitionMetadata::partition_type() const +{ + if (m_partition_type.is_null() || m_partition_type.is_empty()) + return {}; + return m_partition_type; +} +Optional DiskPartitionMetadata::unique_guid() const +{ + if (m_unique_guid.is_null() || m_unique_guid.is_empty()) + return {}; + return m_unique_guid; +} + +} diff --git a/Kernel/Storage/Partition/DiskPartitionMetadata.h b/Kernel/Storage/Partition/DiskPartitionMetadata.h new file mode 100644 index 0000000000..b1c551ced9 --- /dev/null +++ b/Kernel/Storage/Partition/DiskPartitionMetadata.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2020, Liav A. + * 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 +#include + +namespace Kernel { + +class DiskPartitionMetadata { +public: + DiskPartitionMetadata(u64 block_offset, u64 block_limit, ByteBuffer partition_type); + DiskPartitionMetadata(u64 block_offset, u64 block_limit, ByteBuffer partition_type, ByteBuffer unique_guid, u64 special_attributes, String name); + u64 start_block() const; + u64 end_block() const; + + Optional special_attributes() const; + Optional name() const; + Optional partition_type() const; + Optional unique_guid() const; + +private: + u64 m_start_block; + u64 m_end_block; + ByteBuffer m_partition_type; + ByteBuffer m_unique_guid; + u64 m_attributes; + String m_name; +}; + +}