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#include "kernel/filesystem/device_inode.hpp"
#include "kapi/system.hpp"
#include "kernel/devices/block_device_utils.hpp"
#include "kapi/devices/device.hpp"
#include "kernel/filesystem/inode.hpp"
#include <kstd/cstring>
#include <kstd/memory>
#include <kstd/vector>
#include <cstddef>
namespace kernel::filesystem
{
device_inode::device_inode(kstd::shared_ptr<kapi::devices::device> const & device)
: inode(inode_kind::device)
, m_device(device)
{
if (!device)
{
kapi::system::panic("[FILESYSTEM] device_inode constructed with null device.");
}
}
auto device_inode::read(void * buffer, size_t offset, size_t size) const -> size_t
{
if (m_device->is_block_device())
{
return devices::block_device_utils::read(m_device, buffer, offset, size);
}
else
{
kapi::system::panic("[FILESYSTEM] device_file::read called on non-block device.");
}
}
auto device_inode::write(void const * buffer, size_t offset, size_t size) -> size_t
{
if (m_device->is_block_device())
{
return devices::block_device_utils::write(m_device, buffer, offset, size);
}
else
{
kapi::system::panic("[FILESYSTEM] device_file::write called on non-block device.");
}
}
auto device_inode::device() const -> kstd::shared_ptr<kapi::devices::device> const &
{
return m_device;
}
} // namespace kernel::filesystem
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