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Kernel: Make all storage devices readable and writable 

I only had a {read,write}_impl defined for ATABaseDevice. This patch
moves that implmentation to general storage device.
This commit is contained in:
Bananymous 2024-05-27 13:41:55 +03:00
parent 2d3810874d
commit 8b1514e575
4 changed files with 23 additions and 23 deletions
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3
kernel/include/kernel/Storage/ATA/ATADevice.h
View File

@ -32,9 +32,6 @@ namespace Kernel
virtual dev_t rdev() const override { return m_rdev; }
virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) override;
virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan) override;
protected:
ATABaseDevice();
BAN::ErrorOr<void> initialize(BAN::Span<const uint16_t> identify_data);

3
kernel/include/kernel/Storage/StorageDevice.h
View File

@ -40,6 +40,9 @@ namespace Kernel
virtual BAN::ErrorOr<void> write_sectors_impl(uint64_t lba, uint64_t sector_count, BAN::ConstByteSpan) = 0;
void add_disk_cache();
virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) override;
virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan) override;
virtual bool can_read_impl() const override { return true; }
virtual bool can_write_impl() const override { return true; }
virtual bool has_error_impl() const override { return false; }

20
kernel/kernel/Storage/ATA/ATADevice.cpp
View File

@ -77,26 +77,6 @@ namespace Kernel
return {};
}
BAN::ErrorOr<size_t> detail::ATABaseDevice::read_impl(off_t offset, BAN::ByteSpan buffer)
{
if (offset % sector_size())
return BAN::Error::from_errno(EINVAL);
if (buffer.size() % sector_size())
return BAN::Error::from_errno(EINVAL);
TRY(read_sectors(offset / sector_size(), buffer.size() / sector_size(), buffer));
return buffer.size();
}
BAN::ErrorOr<size_t> detail::ATABaseDevice::write_impl(off_t offset, BAN::ConstByteSpan buffer)
{
if (offset % sector_size())
return BAN::Error::from_errno(EINVAL);
if (buffer.size() % sector_size())
return BAN::Error::from_errno(EINVAL);
TRY(write_sectors(offset / sector_size(), buffer.size() / sector_size(), buffer));
return buffer.size();
}
BAN::ErrorOr<BAN::RefPtr<ATADevice>> ATADevice::create(BAN::RefPtr<ATABus> bus, ATABus::DeviceType type, bool is_secondary, BAN::Span<const uint16_t> identify_data)
{
auto* device_ptr = new ATADevice(bus, type, is_secondary);

20
kernel/kernel/Storage/StorageDevice.cpp
View File

@ -264,4 +264,24 @@ namespace Kernel
return {};
}
BAN::ErrorOr<size_t> StorageDevice::read_impl(off_t offset, BAN::ByteSpan buffer)
{
if (offset % sector_size())
return BAN::Error::from_errno(EINVAL);
if (buffer.size() % sector_size())
return BAN::Error::from_errno(EINVAL);
TRY(read_sectors(offset / sector_size(), buffer.size() / sector_size(), buffer));
return buffer.size();
}
BAN::ErrorOr<size_t> StorageDevice::write_impl(off_t offset, BAN::ConstByteSpan buffer)
{
if (offset % sector_size())
return BAN::Error::from_errno(EINVAL);
if (buffer.size() % sector_size())
return BAN::Error::from_errno(EINVAL);
TRY(write_sectors(offset / sector_size(), buffer.size() / sector_size(), buffer));
return buffer.size();
}
}