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<title>Perform Hardware Configuration Operation (QYHCHCOP) API</title>
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<h2>Perform Hardware Configuration Operation (QYHCHCOP) API</h2>
<div class="box" style="width: 90%;"><br>
&nbsp;&nbsp;Required Parameter Group:<br>
<!-- iddvc RMBR -->
<br>
<table width="100%">
<tr>
<td align="center" valign="top" width="10%">1</td>
<td align="left" valign="top" width="45%">Hardware configuration request</td>
<td align="left" valign="top" width="20%">Input</td>
<td align="left" valign="top" width="25%">Char(*)</td>
</tr>
<tr>
<td align="center" valign="top">2</td>
<td align="left" valign="top">Hardware configuration request length</td>
<td align="left" valign="top">Input</td>
<td align="left" valign="top">Binary(4) Unsigned</td>
</tr>
<tr>
<td align="center" valign="top">3</td>
<td align="left" valign="top">Request type</td>
<td align="left" valign="top">Input</td>
<td align="left" valign="top">Binary(4) Unsigned</td>
</tr>
<tr>
<td align="center" valign="top">4</td>
<td align="left" valign="top">Receiver variable</td>
<td align="left" valign="top">Output</td>
<td align="left" valign="top">Char(*)</td>
</tr>
<tr>
<td align="center" valign="top">5</td>
<td align="left" valign="top">Length of receiver variable</td>
<td align="left" valign="top">Input</td>
<td align="left" valign="top">Binary(4) Unsigned</td>
</tr>
<tr>
<td align="center" valign="top">6</td>
<td align="left" valign="top">Bytes of return data available</td>
<td align="left" valign="top">Output</td>
<td align="left" valign="top">Binary(4) Unsigned</td>
</tr>
<tr>
<td align="center" valign="top">7</td>
<td align="left" valign="top">Error code</td>
<td align="left" valign="top">I/O</td>
<td align="left" valign="top">Char(*)</td>
</tr>
</table>
<br>
&nbsp;&nbsp;Default Public Authority: *EXCLUDE<br>
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<br>
&nbsp;&nbsp;Threadsafe: Yes<br>
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</div>
<p>The Perform Hardware Configuration Operation (QYHCHCOP) API allows for
viewing, changing, and checking the status of certain parts of the system's
hardware configuration. This API allows the following activities:</p>
<ul>
<li>view the logical partition configuration</li>
<li>change the logical partition configuration</li>
<li>check the status of a logical partition configuration change</li>
<li>view the disk unit and ASP configuration</li>
<li>change the disk unit and ASP configuration</li>
<li>check the status of disk unit and ASP configuration change</li>
</ul>
<br>
<h3>Authorities and Locks</h3>
<p>This API is shipped with *EXCLUDE public authority.</p>
<p>To use this API you must:</p>
<ul>
<li>be explicitly authorized to the API, or call the API from a program that
adopts enough authority to call the API and have *IOSYSCFG and *SERVICE special
authority.<br>
<br>
</li>
<li>have set the password level of the Dedicated Service Tools (DST). This is
done through the service tools security data option, followed by the password
level option. When this option has been activated, service tools user ID
passwords are case sensitive.<br>
<br>
</li>
<li>have a service tools user ID and password that has been authorized to
perform the task you are requesting. Service tools user IDs are configured
using Dedicated Service Tools (DST).<br>
<br>
</li>
<li>have a service tools user ID and password that match the i5/OS user
profile and password of the user that is calling this API. Care must be taken
to make sure the password cases match between the i5/OS user profile and the
service tools user ID.</li>
</ul>
<p>The port name "as-sts" must be unblocked and enabled for this API to process
successfully. If the port name is not unblocked, this this API will return a
CPFBA03 message.</p>
<p>The service authority required to perform an operation depends on the
operation you are trying to perform. To see what authority a specific operation
requires, consult the logical partition configuration markup language document
or the disk management configuration markup language document. The following
table summarizes the authority required for various operations.</p>
<table border width="70%">
<tr>
<th align="left" valign="top">Operation Type</th>
<th align="left" valign="top">Authority Required</th>
</tr>
<tr>
<td align="left" valign="top">View LPAR configuration</td>
<td align="left" valign="top">LPAR operator</td>
</tr>
<tr>
<td align="left" valign="top">Check LPAR operation status</td>
<td align="left" valign="top">LPAR operator</td>
</tr>
<tr>
<td align="left" valign="top">Perform LPAR operator operation</td>
<td align="left" valign="top">LPAR operator</td>
</tr>
<tr>
<td align="left" valign="top">Perform LPAR administrator operation</td>
<td align="left" valign="top">LPAR administrator</td>
</tr>
<tr>
<td align="left" valign="top">View disk configuration</td>
<td align="left" valign="top">None</td>
</tr>
<tr>
<td align="left" valign="top">Check disk operation status</td>
<td align="left" valign="top">None</td>
</tr>
<tr>
<td align="left" valign="top">Perform disk operator operation</td>
<td align="left" valign="top">Disk operator</td>
</tr>
<tr>
<td align="left" valign="top">Perform disk administration operation</td>
<td align="left" valign="top">Disk administrator</td>
</tr>
</table>
<br>
<br>
<h3>Required Parameter Group</h3>
<dl>
<dt><strong>Hardware Configuration Request</strong></dt>
<dd>INPUT; CHAR(*)
<p>The information for the request. The type of information provided is
described in the request type parameter.</p>
</dd>
<dt><strong>Hardware Configuration Request Length</strong></dt>
<dd>INPUT; BINARY(4) Unsigned
<p>The length of the hardware configuration request buffer.</p>
</dd>
<dt><strong>Request type</strong></dt>
<dd>INPUT; BINARY(4) Unsigned
<p>The type of request being made. The following constants are defined for the
request type.</p>
<table cellpadding="5">
<!-- cols="15 85" -->
<tr>
<td align="left" valign="top" nowrap><em>LPARRequest = 1</em></td>
<td align="left" valign="top">Change, view, or check the status of
the logical partition configuration using the Logical Partition Markup
Language. For the format of the markup language, see <a href=
"LPARConfigurationScript_main.htm">LPARConfigurationScript Specification, Version 10</a>.</td>
</tr>
<tr>
<td align="left" valign="top"><em>DiskRequest = 2</em></td>
<td align="left" valign="top">Change, view, or check the status of the disk and
ASP configuration using the Disk Management Markup Language. For the format of
the markup language, see <img src="delta.gif" alt="Start of change">
<a href="DMConfigurationScript_main.htm">DMConfigurationScript Specification, Version 30</a>.
<img src="deltaend.gif" alt="End of change">
</td>
</tr>
</table>
</dd>
<dt><strong>Receiver variable</strong></dt>
<dd>OUTPUT; CHAR(*)
<p>The receiver variable that is to receive the response from the hardware
configuration request. The format of this variable is determined by the type of
hardware configuration request submitted.</p>
</dd>
<dt><strong>Length of receiver variable</strong></dt>
<dd>INPUT; BINARY(4) Unsigned
<p>The length of the receiver variable, in bytes.</p>
</dd>
<dt><strong>Bytes of return data available</strong></dt>
<dd>OUTPUT; BINARY(4) Unsigned
<p>The number of bytes that is available for return. If this value is larger
than the receiver variable, some of the return data was lost.</p>
</dd>
<dt><strong>Error code</strong></dt>
<dd>I/O; CHAR(*)
<p>The structure in which to return error information. For the format of the
structure, see <a href="../apiref/error.htm#hdrerrcod">Error Code Parameter</a>.</p>
</dd>
</dl>
<br>
<h3>Error Messages</h3>
<table width="100%" cellpadding="5">
<!-- cols="15 85" -->
<tr>
<th align="left" valign="top" nowrap>Message ID</th>
<th align="left" valign="top">Error Message Text</th>
</tr>
<tr>
<td align="left" valign="top">CPF2203 E</td>
<td align="left" valign="top">User profile &amp;1 not correct.</td>
</tr>
<tr>
<td align="left" valign="top">CPF2204 E</td>
<td align="left" valign="top">User profile &amp;1 not found.</td>
</tr>
<tr>
<td align="left" valign="top">CPF22E2 E</td>
<td align="left" valign="top">Password not correct for user profile
&amp;1.</td>
</tr>
<tr>
<td align="left" valign="top">CPF22E3 E</td>
<td align="left" valign="top">User profile &amp;1 is disabled.</td>
</tr>
<tr>
<td align="left" valign="top">CPF22E4 E</td>
<td align="left" valign="top">Password for user profile &amp;1 has
expired.</td>
</tr>
<tr>
<td align="left" valign="top">CPF22E5 E</td>
<td align="left" valign="top">No password associated with user profile
&amp;1.</td>
</tr>
<tr>
<td align="left" valign="top">CPF24B4 E</td>
<td align="left" valign="top">Severe error while addressing parameter
list.</td>
</tr>
<tr>
<td align="left" valign="top">CPF3C24 E</td>
<td align="left" valign="top">Length of the receiver variable is not
valid.</td>
</tr>
<tr>
<td align="left" valign="top">CPF3C36 E</td>
<td align="left" valign="top">Number of parameters, &amp;1 entered for this API
was not valid.</td>
</tr>
<tr>
<td align="left" valign="top">CPF3C4B E</td>
<td align="left" valign="top">Value not valid for field &amp;1.</td>
</tr>
<tr>
<td align="left" valign="top">CPF3CF1 E</td>
<td align="left" valign="top">Error code parameter not valid.</td>
</tr>
<tr>
<td align="left" valign="top">CPF3CF2 E</td>
<td align="left" valign="top">Error(s) occurred during running of &amp;1
API.</td>
</tr>
<tr>
<td align="left" valign="top">CPF9872 E</td>
<td align="left" valign="top">Program or service program &amp;1 in library
&amp;2 ended. Reason code &amp;3.</td>
</tr>
<tr>
<td align="left" valign="top">CPFB0CE E</td>
<td align="left" valign="top">&amp;1 special authority is required.</td>
</tr>
<tr>
<td align="left" valign="top">CPFBA01 E</td>
<td align="left" valign="top">Incorrect authorization to perform
operation.</td>
</tr>
<tr>
<td align="left" valign="top">CPFBA02 E</td>
<td align="left" valign="top">Request typeout of range.</td>
</tr>
<tr>
<td align="left" valign="top">CPFBA03 E</td>
<td align="left" valign="top">Error connecting to service.</td>
</tr>
<tr>
<td align="left" valign="top">CPFBA04 E</td>
<td align="left" valign="top">Error sending request to service.</td>
</tr>
<tr>
<td align="left" valign="top">CPFBA05 E</td>
<td align="left" valign="top">Error retrieving data from service.</td>
</tr>
</table>
<br>
<hr>
API introduced: V5R1
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