    <tr><td class="paramname">InstancePtr</td><td>is the PCIe component to operate on. </td></tr>
    <tr><td class="paramname">MsiBase</td><td>is 64 bit base address for MSI.This address should be 4kB aligned always.</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>XST_SUCCESS if success or XST_FAILURE if failure .</dd></dl>
<dl class="section note"><dt>Note</dt><dd>This function is valid only when IP is configured as a root complex. </dd></dl>

<p>References <a class="el" 