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Kernel: StorageDevices and Controllers are now devices

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Bananymous
2023-03-30 14:22:15 +03:00
parent 88a8bd659d
commit e2791e5260
9 changed files with 190 additions and 112 deletions
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32
kernel/include/kernel/Storage/StorageDevice.h
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@@ -16,10 +16,10 @@ namespace Kernel
class StorageDevice;
class Partition
class Partition final : public BlockDevice
{
public:
Partition(StorageDevice&, const GUID&, const GUID&, uint64_t, uint64_t, uint64_t, const char*);
Partition(StorageDevice&, const GUID&, const GUID&, uint64_t, uint64_t, uint64_t, const char*, uint32_t);
const GUID& partition_type() const { return m_type; }
const GUID& partition_guid() const { return m_guid; }
@@ -31,7 +31,6 @@ namespace Kernel
BAN::ErrorOr<void> read_sectors(uint64_t lba, uint8_t sector_count, uint8_t* buffer);
BAN::ErrorOr<void> write_sectors(uint64_t lba, uint8_t sector_count, const uint8_t* buffer);
bool is_used() const { uint8_t zero[16] {}; return memcmp(&m_type, zero, 16); }
private:
StorageDevice& m_device;
@@ -41,9 +40,29 @@ namespace Kernel
const uint64_t m_lba_end;
const uint64_t m_attributes;
char m_label[36 * 4 + 1];
public:
virtual ino_t ino() const override { return m_index; }
virtual mode_t mode() const override { return Mode::IFBLK | Mode::IRUSR | Mode::IRGRP; }
virtual nlink_t nlink() const override { return 1; }
virtual uid_t uid() const override { return 0; }
virtual gid_t gid() const override { return 0; }
virtual off_t size() const override { return 0; }
virtual blksize_t blksize() const;
virtual blkcnt_t blocks() const override { return 0; }
virtual dev_t dev() const override;
virtual dev_t rdev() const { return 0x7459; }
virtual BAN::StringView name() const override { return m_device_name; }
virtual BAN::ErrorOr<size_t> read(size_t, void*, size_t) override;
private:
const uint32_t m_index;
BAN::String m_device_name;
};
class StorageDevice
class StorageDevice : public BlockDevice
{
public:
virtual ~StorageDevice() {}
@@ -55,10 +74,11 @@ namespace Kernel
virtual uint32_t sector_size() const = 0;
virtual uint64_t total_size() const = 0;
BAN::Vector<Partition>& partitions() { return m_partitions; }
BAN::Vector<Partition*>& partitions() { return m_partitions; }
const BAN::Vector<Partition*>& partitions() const { return m_partitions; }
private:
BAN::Vector<Partition> m_partitions;
BAN::Vector<Partition*> m_partitions;
};
}