1 files changed, 38 insertions, 0 deletions
diff --git a/kernel/include/kernel/filesystem/inode.hpp b/kernel/include/kernel/filesystem/inode.hpp
new file mode 100644
index 00000000..a2955f93
--- /dev/null
+++ b/kernel/include/kernel/filesystem/inode.hpp
@@ -0,0 +1,38 @@
+#ifndef TEACH_OS_KERNEL_FILESYSTEM_INODE_HPP
+#define TEACH_OS_KERNEL_FILESYSTEM_INODE_HPP
+
+#include "kernel/devices/device.hpp"
+#include "kernel/filesystem/inode_metadata.hpp"
+
+#include <kstd/memory>
+
+#include <cstddef>
+
+namespace filesystem
+{
+  struct inode
+  {
+    inode() = default;
+    explicit inode(inode_kind kind);
+    explicit inode(kstd::shared_ptr<devices::device> const & device);
+
+    [[nodiscard]] auto metadata() const -> inode_metadata;
+
+    [[nodiscard]] auto is_directory() const -> bool;
+    [[nodiscard]] auto is_regular() const -> bool;
+    [[nodiscard]] auto is_device() const -> bool;
+    [[nodiscard]] auto is_block_device() const -> bool;
+    [[nodiscard]] auto major_device() const -> size_t;
+    [[nodiscard]] auto minor_device() const -> size_t;
+    [[nodiscard]] auto backing_device() const -> kstd::shared_ptr<devices::device> const &;
+
+    auto read(void * buffer, size_t offset, size_t size) const -> size_t;
+    auto write(void const * buffer, size_t offset, size_t size) -> size_t;
+
+  private:
+    inode_kind m_kind{inode_kind::regular};
+    kstd::shared_ptr<devices::device> m_device{};
+  };
+}  // namespace filesystem
+
+#endif