1 files changed, 41 insertions, 0 deletions
diff --git a/src/loader/inc/device.h b/src/loader/inc/device.h
new file mode 100644
index 0000000..5081cb7
--- /dev/null
+++ b/src/loader/inc/device.h
@@ -0,0 +1,41 @@
+// MIT License, Copyright (c) 2021 Marvin Borner
+
+#ifndef DEVICE_H
+#define DEVICE_H
+
+#include <def.h>
+#include <disk.h>
+
+enum device_type {
+	DEVICE_NONE,
+	DEVICE_DISK,
+	DEVICE_FB,
+};
+
+struct dev {
+	u8 id;
+	enum device_type type;
+	char name[16];
+
+	s32 (*read)(void *, u32, u32, struct dev *);
+	s32 (*write)(const void *, u32, u32, struct dev *);
+
+	union {
+		struct {
+			struct fs fs;
+		} disk;
+		// TODO: Other (framebuffer?)
+	} p; // Prototype union
+
+	u32 data; // Optional (device-specific) data/information
+};
+
+struct dev *device_get_by_id(u8 id);
+struct dev *device_get_by_name(const char *name, u32 len);
+void device_foreach(enum device_type type, u8 (*cb)(struct dev *)); // cb=1 => break
+u8 device_register(enum device_type type, char *name, u32 data,
+		s32 (*read)(void *, u32, u32, struct dev *),
+		s32 (*write)(const void *, u32, u32, struct dev *));
+void device_print(void);
+
+#endif