VFS mountpoint backing device system

include/m/fs_desc_buffer.h

@@ -1,6 +1,8 @@
 #ifndef _M_FS_DESC_BUFFER_H
 #define _M_FS_DESC_BUFFER_H
 
+#include <stddef.h>
+
 #define FS_FILE 0
 #define FS_DIR  1
 

include/m/ramdisk_device.h

@@ -0,0 +1,6 @@
+#ifndef _M_RAMDISK_DEVICE_H
+#define _M_RAMDISK_DEVICE_H
+
+#define RAMDISK_DEVICE 100
+
+#endif // _M_RAMDISK_DEVICE_H

include/m/status.h

@@ -14,5 +14,6 @@
 #define ST_OOB_ERROR         10
 #define ST_BAD_PATH          11
 #define ST_EXEC_ERROR        12
+#define ST_MOUNT_ERROR       13
 
 #endif // _M_STATUS_H

include/m/xdrv_device.h

@@ -0,0 +1,11 @@
+#ifndef _M_XDRV_DEVICE_H
+#define _M_XDRV_DEVICE_H
+
+#define XDRV_TYPE_RAMDRV 0
+
+#define XDRV_GET_SIZE         0
+#define XDRV_GET_SECTOR_SIZE  1
+#define XDRV_GET_DEVICE_TYPE  2
+#define XDRV_READ             3
+
+#endif // _M_XDRV_DEVICE_H