42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
#pragma once
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#include <kernel/Memory/DMARegion.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 NVMeController;
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class NVMeNamespace : public StorageDevice
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{
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public:
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static BAN::ErrorOr<BAN::RefPtr<NVMeNamespace>> create(NVMeController&, uint32_t nsid, uint64_t block_count, uint32_t block_size);
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virtual uint32_t sector_size() const override { return m_block_size; }
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virtual uint64_t total_size() const override { return m_block_size * m_block_count; }
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virtual dev_t rdev() const override { return m_rdev; }
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virtual BAN::StringView name() const { return m_name; }
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private:
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NVMeNamespace(NVMeController&, uint32_t nsid, uint64_t block_count, uint32_t block_size);
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BAN::ErrorOr<void> initialize();
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virtual BAN::ErrorOr<void> read_sectors_impl(uint64_t lba, uint64_t sector_count, BAN::ByteSpan) override;
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virtual BAN::ErrorOr<void> write_sectors_impl(uint64_t lba, uint64_t sector_count, BAN::ConstByteSpan) override;
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private:
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NVMeController& m_controller;
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BAN::UniqPtr<DMARegion> m_dma_region;
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const uint32_t m_nsid;
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const uint32_t m_block_size;
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const uint64_t m_block_count;
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char m_name[10] {};
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const dev_t m_rdev;
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};
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}
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