tive state by generic read/write function.</td></tr>
<tr><td>CTRL_POWER_OFF</td><td>Puts the device off state. Shut-down the power to the device and deinitialize the device interface if needed. <tt>STA_NOINIT</tt> in the current status flags must be set. The device goes active state by <tt>disk_initialize</tt> function.</td></tr>
<tr><td>CTRL_LOCK</td><td>Locks media eject mechanism.</td></tr>
<tr><td>CTRL_UNLOCK</td><td>Unlocks media eject mechanism.</td></tr>
<tr><td>CTRL_EJECT</td><td>Ejects media ca