forked from Bananymous/banan-os
54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
#pragma once
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#include <kernel/Storage/ATABus.h>
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#include <kernel/Storage/StorageDevice.h>
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namespace Kernel
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{
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class ATADevice final : public StorageDevice
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{
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public:
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ATADevice(ATABus* bus)
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: m_bus(bus)
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, m_rdev(makedev(DeviceManager::get().get_next_rdev(), 0))
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{ }
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BAN::ErrorOr<void> initialize(ATABus::DeviceType, const uint16_t*);
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virtual BAN::ErrorOr<void> read_sectors(uint64_t, uint8_t, uint8_t*) override;
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virtual BAN::ErrorOr<void> write_sectors(uint64_t, uint8_t, const uint8_t*) override;
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virtual uint32_t sector_size() const override { return m_sector_words * 2; }
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virtual uint64_t total_size() const override { return m_lba_count * sector_size(); }
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BAN::StringView model() const { return m_model; }
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private:
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ATABus* m_bus;
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uint8_t m_index;
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ATABus::DeviceType m_type;
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uint16_t m_signature;
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uint16_t m_capabilities;
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uint32_t m_command_set;
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uint32_t m_sector_words;
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uint64_t m_lba_count;
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char m_model[41];
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friend class ATABus;
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public:
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virtual Mode mode() const override { return { Mode::IFBLK | Mode::IRUSR | Mode::IRGRP }; }
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virtual uid_t uid() const override { return 0; }
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virtual gid_t gid() const override { return 0; }
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virtual dev_t rdev() const override { return m_rdev; }
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virtual BAN::StringView name() const override { return BAN::StringView(m_device_name, sizeof(m_device_name) - 1); }
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virtual BAN::ErrorOr<size_t> read(size_t, void*, size_t) override;
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public:
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const dev_t m_rdev;
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char m_device_name[4] {};
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};
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} |