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c85f81bc9d
We are going to remove this slice of data from the SysFS later on, so lsblk must not try to read it.
65 lines
2.4 KiB
C++
65 lines
2.4 KiB
C++
/*
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* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Hex.h>
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#include <AK/String.h>
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#include <AK/StringView.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/DirIterator.h>
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#include <LibCore/File.h>
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#include <LibCore/System.h>
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#include <LibMain/Main.h>
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static constexpr StringView format_row = "{:10s}\t{:10s}\t{:10s}\t{:10s}"sv;
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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TRY(Core::System::pledge("stdio rpath"));
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TRY(Core::System::unveil("/sys/devices/storage", "r"));
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TRY(Core::System::unveil(nullptr, nullptr));
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Core::ArgsParser args_parser;
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args_parser.set_general_help("List Storage (Block) devices.");
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args_parser.parse(arguments);
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Core::DirIterator di("/sys/devices/storage/", Core::DirIterator::SkipParentAndBaseDir);
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if (di.has_error()) {
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warnln("Failed to open /sys/devices/storage - {}", di.error());
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return 1;
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}
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outln(format_row, "LUN"sv, "Command set"sv, "Block Size"sv, "Last LBA"sv);
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TRY(Core::System::pledge("stdio rpath"));
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while (di.has_next()) {
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auto dir = di.next_path();
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auto command_set_file = Core::File::construct(String::formatted("/sys/devices/storage/{}/command_set", dir));
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if (!command_set_file->open(Core::OpenMode::ReadOnly)) {
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dbgln("Error: Could not open {}: {}", command_set_file->name(), command_set_file->error_string());
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continue;
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}
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auto last_lba_file = Core::File::construct(String::formatted("/sys/devices/storage/{}/last_lba", dir));
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if (!last_lba_file->open(Core::OpenMode::ReadOnly)) {
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dbgln("Error: Could not open {}: {}", last_lba_file->name(), last_lba_file->error_string());
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continue;
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}
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auto sector_size_file = Core::File::construct(String::formatted("/sys/devices/storage/{}/sector_size", dir));
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if (!sector_size_file->open(Core::OpenMode::ReadOnly)) {
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dbgln("Error: Could not open {}: {}", sector_size_file->name(), sector_size_file->error_string());
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continue;
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}
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String command_set = StringView(command_set_file->read_all().bytes());
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String last_lba = StringView(last_lba_file->read_all().bytes());
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String sector_size = StringView(sector_size_file->read_all().bytes());
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outln(format_row, dir, command_set, sector_size, last_lba);
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}
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return 0;
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}
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