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Kernel: add basic disk cache

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ATADevices now add disk cache to themselves
This commit is contained in:
Bananymous
2023-06-03 02:23:14 +03:00
parent 2b901abfb1
commit 813d0f1b5f
8 changed files with 342 additions and 9 deletions
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16
kernel/include/kernel/Storage/StorageDevice.h
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@@ -2,6 +2,7 @@
#include <BAN/Vector.h>
#include <kernel/Device.h>
#include <kernel/Storage/DiskCache.h>
namespace Kernel
{
@@ -61,20 +62,29 @@ namespace Kernel
class StorageDevice : public BlockDevice
{
public:
virtual ~StorageDevice() {}
virtual ~StorageDevice();
BAN::ErrorOr<void> initialize_partitions();
virtual BAN::ErrorOr<void> read_sectors(uint64_t lba, uint8_t sector_count, uint8_t* buffer) = 0;
virtual BAN::ErrorOr<void> write_sectors(uint64_t lba, uint8_t sector_count, const uint8_t* buffer) = 0;
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);
virtual uint32_t sector_size() const = 0;
virtual uint64_t total_size() const = 0;
BAN::Vector<Partition*>& partitions() { return m_partitions; }
const BAN::Vector<Partition*>& partitions() const { return m_partitions; }
protected:
virtual BAN::ErrorOr<void> read_sectors_impl(uint64_t lba, uint8_t sector_count, uint8_t* buffer) = 0;
virtual BAN::ErrorOr<void> write_sectors_impl(uint64_t lba, uint8_t sector_count, const uint8_t* buffer) = 0;
void add_disk_cache();
private:
DiskCache* m_disk_cache { nullptr };
BAN::Vector<Partition*> m_partitions;
friend class DiskCache;
};
}