-ulong ide_read(int device, lbaint_t blknr, ulong blkcnt, ulong *buffer);
-ulong ide_write(int device, lbaint_t blknr, ulong blkcnt, ulong *buffer);
+ulong ide_read(int device, lbaint_t blknr, ulong blkcnt, void *buffer);
+ulong ide_write(int device, lbaint_t blknr, ulong blkcnt, void *buffer);