132 lines
4.2 KiB
C++
132 lines
4.2 KiB
C++
/* === This file is part of Calamares - <https://calamares.io> ===
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*
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* SPDX-FileCopyrightText: 2015-2016 Teo Mrnjavac <teo@kde.org>
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* SPDX-FileCopyrightText: 2018-2019 Adriaan de Groot <groot@kde.org>
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* SPDX-FileCopyrightText: 2019 Collabora Ltd <arnaud.ferraris@collabora.com>
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* Calamares is Free Software: see the License-Identifier above.
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*
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*/
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#ifndef PARTUTILS_H
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#define PARTUTILS_H
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#include "OsproberEntry.h"
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#include "utils/NamedSuffix.h"
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#include "utils/Units.h"
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// KPMcore
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#include <kpmcore/fs/filesystem.h>
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// Qt
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#include <QString>
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class DeviceModel;
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class Partition;
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namespace Logger
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{
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class Once;
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}
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namespace PartUtils
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{
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/**
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* @brief Provides a nice human-readable name for @p candidate
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*
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* The most-specific human-readable name for the partition @p candidate
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* is returned (e.g. device name, or partition path). In the worst
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* case, a string representation of (void *)candidate is returned.
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*/
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QString convenienceName( const Partition* const candidate );
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/**
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* @brief canBeReplaced checks whether the given Partition satisfies the criteria
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* for replacing it with the new OS.
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* @param candidate the candidate partition to replace.
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* @param o applied to debug-logging.
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* @return true if the criteria are met, otherwise false.
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*/
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bool canBeReplaced( Partition* candidate, const Logger::Once& o );
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/**
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* @brief canBeReplaced checks whether the given Partition satisfies the criteria
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* for resizing (shrinking) it to make room for a new OS.
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* @param candidate the candidate partition to resize.
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* @param o applied to debug-logging.
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* @return true if the criteria are met, otherwise false.
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*/
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bool canBeResized( Partition* candidate, const Logger::Once& o );
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/**
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* @brief canBeReplaced checks whether the given Partition satisfies the criteria
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* for resizing (shrinking) it to make room for a new OS.
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* @param dm the DeviceModel instance.
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* @param partitionPath the device path of the candidate partition to resize.
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* @param o applied to debug-logging.
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* @return true if the criteria are met, otherwise false.
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*/
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bool canBeResized( DeviceModel* dm, const QString& partitionPath, const Logger::Once& o );
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/**
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* @brief runOsprober executes os-prober, parses the output and writes relevant
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* data to GlobalStorage.
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* @param dm the DeviceModel instance.
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* @return a list of os-prober entries, parsed.
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*/
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OsproberEntryList runOsprober( DeviceModel* dm );
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/**
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* @brief Is this system EFI-enabled? Decides based on /sys/firmware/efi
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*/
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bool isEfiSystem();
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/**
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* @brief Is the @p partition suitable as an EFI boot partition?
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* Checks for filesystem type (FAT32).
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*/
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bool isEfiFilesystemSuitableType( const Partition* candidate );
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/**
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* @brief Is the @p partition suitable as an EFI boot partition?
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* Checks for filesystem size (300MiB, see efiFilesystemMinimumSize).
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*/
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bool isEfiFilesystemSuitableSize( const Partition* candidate );
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/** @brief Returns the minimum size of an EFI boot partition in bytes.
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*
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* This is determined as 300MiB, based on the FAT32 standard
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* and EFI documentation (and not a little discussion in Calamares
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* issues about what works, what is effective, and what is mandated
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* by the standard and how all of those are different).
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*
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* This can be configured through the `partition.conf` file,
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* key *efiSystemPartitionSize*, which will then apply to both
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* automatic partitioning **and** the warning for manual partitioning.
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*
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* A minimum of 32MiB (which is bonkers-small) is enforced.
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*/
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size_t efiFilesystemMinimumSize();
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/**
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* @brief Is the given @p partition bootable in EFI? Depending on
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* the partition table layout, this may mean different flags.
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*/
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bool isEfiBootable( const Partition* candidate );
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/** @brief translate @p fsName into a recognized name and type
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*
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* Makes several attempts to translate the string into a
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* name that KPMCore will recognize. Returns the canonical
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* filesystem name (e.g. asking for "EXT4" will return "ext4").
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*
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* The corresponding filesystem type is stored in @p fsType, and
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* its value is FileSystem::Unknown if @p fsName is not recognized.
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*/
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QString canonicalFilesystemName( const QString& fsName, FileSystem::Type* fsType );
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} // namespace PartUtils
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#endif // PARTUTILS_H
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