42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
#pragma once
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#include <kernel/FS/DevFS/FileSystem.h>
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#include <kernel/Storage/StorageDevice.h>
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#include <kernel/USB/MassStorage/MassStorageDriver.h>
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namespace Kernel
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{
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class USBSCSIDevice : public StorageDevice
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{
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public:
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static BAN::ErrorOr<BAN::RefPtr<USBSCSIDevice>> create(USBMassStorageDriver& driver, uint8_t lun, uint32_t max_packet_size);
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uint32_t sector_size() const override { return m_block_size; }
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uint64_t total_size() const override { return m_block_size * m_block_count; }
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BAN::StringView name() const override { return m_name; }
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private:
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USBSCSIDevice(USBMassStorageDriver& driver, uint8_t lun, uint32_t max_packet_size, uint64_t block_count, uint32_t block_size);
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~USBSCSIDevice();
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BAN::ErrorOr<void> read_sectors_impl(uint64_t first_lba, uint64_t sector_count, BAN::ByteSpan buffer) override;
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BAN::ErrorOr<void> write_sectors_impl(uint64_t lba, uint64_t sector_count, BAN::ConstByteSpan buffer) override;
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private:
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USBMassStorageDriver& m_driver;
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const uint32_t m_max_packet_size;
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const uint8_t m_lun;
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const uint64_t m_block_count;
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const uint32_t m_block_size;
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char m_name[4];
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friend class BAN::RefPtr<USBSCSIDevice>;
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};
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}
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