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Linux-Architecture-Reference/LoPAR/sec_rtas_update_properties.xml

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<?xml version="1.0" encoding="UTF-8"?>
<!--
Copyright (c) 2016 OpenPOWER Foundation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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<section xmlns="http://docbook.org/ns/docbook"
xmlns:xi="http://www.w3.org/2001/XInclude"
xmlns:xl="http://www.w3.org/1999/xlink"
version="5.0"
xml:lang="en"
xml:id="dbdoclet.50569332_40069">
<title><emphasis>ibm,update-properties</emphasis> RTAS Call</title>
<para>This RTAS call is used to report updates to the properties changed
due to a massive platform reconfiguration such as when the partition is
migrated between machines. This RTAS call reports changes in the node
specified by the phandle value in the work area passed using the Work
Area Address argument. The phandle value may be that of a critical node
that the caller is interested in or one reported by
<emphasis>ibm,update-nodes</emphasis> RTAS call. These changes may include
any combination of new values, deleted and added properties. Updates for
a given node are retained until the platform is subsequently
reconfigured, and remain available to subsequent calls to
<emphasis>ibm,update-nodes</emphasis>.</para>
<para>There may be more changes than can be reported in a single 4 K work
area. In this case, the RTAS call returns with a status of 1 &#8220;More
properties updated -- call again&#8221;. On the first call, the second
word of the work area contains the value 0 specifying that the RTAS call
is to start with the first changed property for the specified updated
node. On a call with a status value of 1, the first sixteen (16) bytes of
the work area contain values that, when subsequently supplied in the work
area of another call to
<emphasis>ibm,update-properties</emphasis> RTAS, specify that the call
returns the updated property data for properties after those reported in
the previous call.</para>
<para>A single updated property value string may exceed the capacity of a
single 4 K work area. In that case, the updated property value descriptor
for the property appears in the work area of multiple sequential calls to
<emphasis>ibm,update-properties</emphasis> RTAS. When the updated property
value descriptor contains the final data for the property value, the
property string length field of the updated property value descriptor is
a positive number. When the updated property value descriptor contains
either the initial or interim data for the property value, the updated
property string length field is a negative number denoting the twos
complement of the length of the updated property string contained in the
work area. The data value strings for a given property name are
concatenated until the final updated property value descriptor is
processed.</para>
<para>The first value returned, with an updated property name string of
NULL, is always the node&#8217;s name (for example: full path ||
<emphasis>name</emphasis> property value || @ unit address) even if there
has been no change.</para>
<variablelist>
<varlistentry>
<term><emphasis role="bold">R1-<xref linkend="dbdoclet.50569332_40069"
xrefstyle="select: labelnumber nopage"/>-1.</emphasis></term>
<listitem>
<para><emphasis role="bold">For the Update OF Tree option:</emphasis> The platform must
implement the
<emphasis>ibm,update-properties</emphasis> RTAS call using the argument
call buffer defined by
<xref linkend="dbdoclet.50569332_63317" />.</para>
<table frame="all" pgwide="1" xml:id="dbdoclet.50569332_63317">
<title>Argument Call Buffer
<emphasis>ibm,update-properties</emphasis></title>
<tgroup cols="3">
<colspec colname="c1" colwidth="1*" />
<colspec colname="c2" colwidth="2*" />
<colspec colname="c3" colwidth="4*" />
<thead>
<row>
<entry>
<para>
<emphasis role="bold">Parameter Type</emphasis>
</para>
</entry>
<entry>
<para>
<emphasis role="bold">Name</emphasis>
</para>
</entry>
<entry>
<para>
<emphasis role="bold">Values</emphasis>
</para>
</entry>
</row>
</thead>
<tbody>
<row>
<entry morerows="4" valign="middle">
<para>In</para>
</entry>
<entry>
<para>
<emphasis>Token</emphasis>
</para>
</entry>
<entry>
<para>Token for
<emphasis>ibm,update-properties</emphasis></para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis>Number Inputs</emphasis>
</para>
</entry>
<entry>
<para>2</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis>Number Outputs</emphasis>
</para>
</entry>
<entry>
<para>1</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis>Work Area Address</emphasis>
</para>
</entry>
<entry>
<para>32 bit real address of work area</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis>Scope</emphasis>
</para>
</entry>
<entry>
<para>Values per
<xref linkend="dbdoclet.50569332_71049" />.</para>
</entry>
</row>
<row>
<entry valign="middle">
<para>Out</para>
</entry>
<entry>
<para>
<emphasis>Status</emphasis>
</para>
</entry>
<entry>
<para>-1: Hardware Error</para>
<para>-2: Busy</para>
<para>-3: Parameter Error (Purpose does not match the current
partition state)</para>
<para>0: Success</para>
<para>1: More properties updated -- call again</para>
</entry>
</row>
</tbody>
</tgroup>
</table>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">R1-<xref linkend="dbdoclet.50569332_40069"
xrefstyle="select: labelnumber nopage"/>-2.</emphasis></term>
<listitem>
<para><emphasis>ibm,update-properties</emphasis> RTAS call must be 4 KB long
aligned on a 4 KB boundary that is accessible with MSR[DR] = 0, else RTAS
may return -3 &#8220;Parameter Error&#8221;.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">R1-<xref linkend="dbdoclet.50569332_40069"
xrefstyle="select: labelnumber nopage"/>-3.</emphasis></term>
<listitem>
<para>The work area on the first call to
<emphasis>ibm,update-properties</emphasis> RTAS for a given updated node
must be formatted as specified in
<xref linkend="dbdoclet.50569332_84989" />, else RTAS may return -3
&#8220;Parameter Error&#8221;.</para>
<table frame="all" pgwide="1" xml:id="dbdoclet.50569332_84989">
<title>Initial Format of Work Area for
<emphasis>ibm,update-properties</emphasis></title>
<tgroup cols="1">
<colspec colname="c1" colwidth="100*" />
<thead>
<row>
<entry>
<para>
<emphasis role="bold">phandle</emphasis> of updated node containing updated
properties to be reported (4 bytes)</para>
</entry>
</row>
</thead>
<tbody>
<row>
<entry>
<para>0x00000000 (Indicates Initial call for specified
<emphasis role="bold">phandle</emphasis>)</para>
</entry>
</row>
<row>
<entry>
<para>8 bytes of 0x00 (reserved)</para>
</entry>
</row>
<row>
<entry>
<para>Don&#8217;t Care . . .</para>
</entry>
</row>
</tbody>
</tgroup>
</table>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">R1-<xref linkend="dbdoclet.50569332_40069"
xrefstyle="select: labelnumber nopage"/>-4.</emphasis></term>
<listitem>
<para>Upon successful return (non-negative status
value) from
<emphasis>ibm,update-properties</emphasis> the work area must by formatted
as defined in
<xref linkend="dbdoclet.50569332_72959" />.</para>
<table frame="all" pgwide="1" xml:id="dbdoclet.50569332_72959">
<title>Return Format of Work Area for
<emphasis>ibm,update-properties</emphasis></title>
<tgroup cols="2">
<colspec colname="c1" colwidth="50*" />
<colspec colname="c2" colwidth="50*" />
<thead>
<row>
<entry>
<para>
<emphasis>Description</emphasis>
</para>
</entry>
<entry>
<para>Comments</para>
</entry>
</row>
</thead>
<tbody>
<row>
<entry>
<para>
<emphasis role="bold">phandle</emphasis> of updated node containing updated
properties to be reported.</para>
</entry>
<entry>
<para>4 Bytes</para>
</entry>
</row>
<row>
<entry>
<para>State Variable</para>
<para>(to be returned if status argument value = 1)</para>
</entry>
<entry>
<para>4 Bytes</para>
</entry>
</row>
<row>
<entry>
<para>Reserved</para>
</entry>
<entry>
<para>8 bytes</para>
</entry>
</row>
<row>
<entry>
<para>Number of properties reported in the work area</para>
</entry>
<entry>
<para>4 Bytes</para>
<para>The number (N) of updated property value descriptors that
follow -- see below</para>
</entry>
</row>
<row>
<entry>
<para>N updated property value descriptors</para>
</entry>
<entry>
<para>Each updated property value descriptor is formatted
as:</para>
<para>&#160;</para>
<para>Null terminated string indicating the name of the updated
property.</para>
<para>followed by:</para>
<para>Value Descriptor -- 4 Bytes decoded as</para>
<para>&#160;</para>
<para>0x00000000 Name only property (
<emphasis role="bold"><literal>&#8220;encode-null&#8221;</literal></emphasis>) no value
follows</para>
<para>&#160;</para>
<para>0x80000000 The property is to be deleted no value
follows</para>
<para>&#160;</para>
<para>Other positive values are the length (M) of the
immediately following property value string that completes the
update of the property value.</para>
<para>&#160;</para>
<para>Other negative values are the twos complement of the
length (M) of the immediately following property value string
that either starts or continues the update of the property
value with the remainder in the work area of subsequent call(s)
to
<emphasis>ibm,update-properties</emphasis>.</para>
<para>&#160;</para>
<para>Followed by:</para>
<para>0-M bytes of property value string.</para>
</entry>
</row>
</tbody>
</tgroup>
</table>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">R1-<xref linkend="dbdoclet.50569332_40069"
xrefstyle="select: labelnumber nopage"/>-5.</emphasis></term>
<listitem>
<para>Upon successful return (non-negative status
value) from
<emphasis>ibm,update-properties</emphasis> when the State Variable had
been 0x00000000, the first updated property descriptor must describe the
fully qualified path name of the node specified by the phandle argument
in the work buffer; the three fields of this updated property descriptor
are:</para>
<itemizedlist>
<listitem>
<para>Property name string is as from
<emphasis>encode-null</emphasis></para>
</listitem>
<listitem>
<para>Value descriptor is the 4 byte binary length of the value
string</para>
</listitem>
<listitem>
<para>Value string is the fully qualified path name as from the node
name string returned by the open firmware
<emphasis>package-to-path</emphasis> client interface call.</para>
</listitem>
</itemizedlist>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">R1-<xref linkend="dbdoclet.50569332_40069"
xrefstyle="select: labelnumber nopage"/>-6.</emphasis></term>
<listitem>
<para>The work area on subsequent call(s) to
<emphasis>ibm,update-properties</emphasis> RTAS for a given updated node
must be formatted as specified in
<xref linkend="dbdoclet.50569332_96468" />, else RTAS may return -3
&#8220;Parameter Error&#8221;.</para>
<table frame="all" pgwide="1" xml:id="dbdoclet.50569332_96468">
<title>Format of Work Area for Subsequent Calls to
<emphasis>ibm,update-properties</emphasis></title>
<tgroup cols="1">
<colspec colname="c1" colwidth="100*" />
<thead>
<row>
<entry>
<para>
<emphasis role="bold">phandle</emphasis> of updated node containing updated
properties to be reported (4 Bytes)</para>
</entry>
</row>
</thead>
<tbody>
<row>
<entry>
<para>Value from last call to
<emphasis>ibm,update-properties</emphasis> RTAS that returned
status of 1 (12 bytes).</para>
</entry>
</row>
<row>
<entry>
<para>Don&#8217;t Care . . .</para>
</entry>
</row>
</tbody>
</tgroup>
</table>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">R1-<xref linkend="dbdoclet.50569332_40069"
xrefstyle="select: labelnumber nopage"/>-7.</emphasis></term>
<listitem>
<para><emphasis>ibm,update-properties</emphasis> RTAS call, the platform must
restrict its reported property updates to those specified in
<xref linkend="dbdoclet.50569332_71049" /> for the value of the specified
<emphasis role="bold"><literal>&#8220;Scope&#8221;</literal></emphasis> argument.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">R1-<xref linkend="dbdoclet.50569332_40069"
xrefstyle="select: labelnumber nopage"/>-8.</emphasis></term>
<listitem>
<para>For the
<emphasis>ibm,update-properties</emphasis> RTAS call, the platform must
return a
<emphasis>Status</emphasis> of -3 (Parameter Error) for an unrecognized
value of the &#8220;Scope&#8221; argument.</para>
<table frame="all" pgwide="1" xml:id="dbdoclet.50569332_71049">
<title>Properties of the Nodes That May Be Reported by
<emphasis>ibm,update-properties</emphasis> for a &#8220;
<emphasis>Scope</emphasis>&#8221;</title>
<tgroup cols="3">
<colspec colname="c1" colwidth="33*" />
<colspec colname="c2" colwidth="33*" />
<colspec colname="c3" colwidth="33*" />
<thead>
<row>
<entry>
<para>Scope Value</para>
</entry>
<entry>
<para>Reportable node types (value of
<emphasis role="bold"><literal>&#8220;name&#8221;</literal></emphasis> or
<emphasis role="bold"><literal>&#8220;device_type&#8221;</literal></emphasis> property)</para>
</entry>
<entry>
<para>Property Name</para>
</entry>
</row>
</thead>
<tbody>
<row>
<entry morerows="6" valign="middle">
<para>All negative values: Resource Reassignment events as from
event-scan RTAS</para>
</entry>
<entry>
<para>/memory</para>
</entry>
<entry>
<para><emphasis role="bold"><literal>&#8220;ibm,associativity&#8221;</literal></emphasis></para>
</entry>
</row>
<row>
<entry>
<para>ibm,dynamic-reconfiguration-memory</para>
</entry>
<entry>
<para><emphasis role="bold"><literal>&#8220;ibm,dynamic-memory&#8221;</literal></emphasis></para>
<para><emphasis role="bold"><literal>&#8220;ibm,dynamic-memory-v2&#8221;</literal></emphasis></para>
</entry>
</row>
<row>
<entry>
<para>cpu</para>
</entry>
<entry>
<para>&#8220;ibm,associativity&#8221;</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>ibm,random-v#</literal></emphasis>
</para>
</entry>
<entry>
<para>&lt;all&gt;</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>ibm,compression-v#</literal></emphasis>
</para>
</entry>
<entry>
<para>&lt;all&gt;</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>ibm,encryption-v#</literal></emphasis>
</para>
</entry>
<entry>
<para>&lt;all&gt;</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>ibm,memory-utilization_instrumentation-v#</literal></emphasis>
</para>
</entry>
<entry>
<para>&lt;all&gt;</para>
</entry>
</row>
<row>
<entry morerows="31" valign="middle">
<para>1 Partition Migration / Hibernation</para>
</entry>
<entry morerows="18" valign="middle">
<para>
<emphasis role="bold"><literal>root</literal></emphasis>
</para>
</entry>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,model-class&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;clock-frequency&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>
&#8220;ibm,extended-clock-frequency&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;model&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;compatible&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;name&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;system-id&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,partition-no&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,drc-info&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,drc-indexes&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,drc-names&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,drc-power-domains&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,drc-types&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,aix-diagnostics&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,diagnostic-lic&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>
&#8220;ibm,platform-hardware-notification&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>
&#8220;ibm,ignore-hp-po-fails-for-dlpar&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,managed-address-types&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,service-indicator-mode&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>openprom</literal></emphasis>
</para>
</entry>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;model&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry morerows="9" valign="middle">
<para>
<emphasis role="bold"><literal>rtas</literal></emphasis>
</para>
</entry>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;power-on-max-latency&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>
&#8220;ibm,associativity-reference-points&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>
&#8220;ibm,max-associativity-domains&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,configure-kernel-dump&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>
&#8220;ibm,configure-kernel-dump-sizes&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>
&#8220;ibm,configure-kernel-dump-version&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>
&#8220;ibm,read-slot-reset-state-functions&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,configure-pe&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,change-msix-capable&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,current-associativity-domains&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry morerows="1" valign="middle">
<para>
<emphasis role="bold"><literal>vdevice</literal></emphasis>
</para>
</entry>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,drc-names&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,drc-info&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>children of the
<emphasis role="bold"><literal>vdevice</literal></emphasis> node</para>
</entry>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,loc-code&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry morerows="31" valign="middle">
<para>1 Partition Migration / Hibernation</para>
<para>&#160;</para>
</entry>
<entry morerows="20" valign="middle">
<para>
<emphasis role="bold"><literal>cpu</literal></emphasis>
</para>
</entry>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;name&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;d-cache-sets&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;d-cache-size&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;i-cache-sets&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;i-cache-size&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;bus-frequency&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,extended-bus-frequency&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>
&#8220;ibm,extended-clock-frequency&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;clock-frequency&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;timebase-frequency&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;l2-cache&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;performance-monitor&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,associativity&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>TLB properties (See
<xref linkend="LoPAR.DeviceTree" />)</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;slb-size&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,tbu40-offset&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,pi-features&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,spurr&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,pa-optimizations&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,dfp&#8221;</literal></emphasis> (sign bit
only)</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,sub-processors&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry morerows="4" valign="middle">
<para>
<emphasis role="bold"><literal>cache</literal></emphasis>
</para>
</entry>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;d-cache-sets&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;d-cache-size&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;i-cache-sets&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;i-cache-size&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>l2-cache</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>options</literal></emphasis>
</para>
</entry>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,dasd-spin-interval&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>memory</literal></emphasis>
</para>
</entry>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,associativity&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry morerows="2" valign="middle">
<para>
<emphasis role="bold"><literal>ibm,dynamic-reconfiguration-memory</literal></emphasis>
</para>
</entry>
<entry>
<para><emphasis role="bold"><literal>&#8220;ibm,associativity-lookup-arrays&#8221;</literal></emphasis></para>
</entry>
</row>
<row>
<entry>
<para><emphasis role="bold"><literal>&#8220;ibm,dynamic-memory&#8221;</literal></emphasis></para>
<para><emphasis role="bold"><literal>&#8220;ibm,dynamic-memory-v2&#8221;</literal></emphasis></para>
<para>only the associativity list index fields</para>
</entry>
</row>
<row>
<entry>
<para><emphasis role="bold"><literal>&#8220;ibm,memory-preservation-time&#8221;</literal></emphasis></para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>/chosen</literal></emphasis>
</para>
</entry>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,architecture-vec-5&#8221;</literal></emphasis>
</para>
<para>byte 3 (I/O Super Page Option support parameters)</para>
</entry>
</row>
<row>
<entry morerows="3" valign="middle">
<para>1 Partition Migration / Hibernation</para>
<para>&#160;</para>
</entry>
<entry>
<para>
<emphasis role="bold"><literal>ibm,random-v#</literal></emphasis>
</para>
</entry>
<entry>
<para>&lt;all&gt;</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>ibm,compression-v#</literal></emphasis>
</para>
</entry>
<entry>
<para>&lt;all&gt;</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>ibm,encryption-v#</literal></emphasis>
</para>
</entry>
<entry>
<para>&lt;all&gt;</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>ibm,memory-utilization_instrumentation-v#</literal></emphasis>
</para>
</entry>
<entry>
<para>&lt;all&gt;</para>
</entry>
</row>
<row>
<entry>
<para>2 Activate Firmware</para>
</entry>
<entry>
<para>
<emphasis role="bold"><literal>rtas</literal></emphasis>
</para>
</entry>
<entry>
<orderedlist>
<listitem>
<para>Any
<emphasis role="bold"><literal>/rtas</literal></emphasis> node property as defined per LoPAR
remains invariant.</para>
</listitem>
<listitem>
<para>Any
<emphasis role="bold"><literal>/rtas</literal></emphasis> node property or definition
extension, except for the value of a function token property*,
may change (provided that the client program has indicated
support for such property or definition extension) including
the following:</para>
<para>
<emphasis role="bold"><literal>&#8220;ibm,read-slot-reset-state-functions&#8221;
&#8220;ibm,configure-pe&#8221;</literal></emphasis>
</para>
</listitem>
</orderedlist>
<para>*NOTE: This exception mandates that if an RTAS function
token property survives a firmware activation, the token value
of that RTAS function call does not change.</para>
</entry>
</row>
<row>
<entry morerows="34" valign="middle">
<para>3 Device Reconfiguration</para>
</entry>
<entry morerows="10" valign="middle">
<para>
<emphasis role="bold"><literal>ibm,coherent-platform-facility</literal></emphasis>
</para>
</entry>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;compatible&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;status&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,caia-version&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,psl-revision&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,vpd-size&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;vendor-id&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;device-id&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;subsystem-id&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;subsystem-vendor-id&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;revision-id&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;class-code&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry morerows="23" valign="middle">
<para>
<emphasis role="bold"><literal>ibm,coherent-platform-function</literal></emphasis>
</para>
</entry>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;compatible&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;reg&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,max-ints-per-process&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,min-ints-per-process&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,#processes&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,config-record-type&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,config-record-size&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,#config-records&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,error-buffer-size&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,vpd-size&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,scratchpad-size&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;vendor-id&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;device-id&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;subsystem-id&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;subsystem-vendor-id&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;revision-id&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;class-code&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,process-mmio&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,supports-aur&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,supports-csrp&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,supports-prr&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,process-mmio-size&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,programming-model&#8221;</literal></emphasis>
</para>
</entry>
</row>
<row>
<entry>
<para>
<emphasis role="bold"><literal>&#8220;ibm,programming-models&#8221;</literal></emphasis>
</para>
</entry>
</row>
</tbody>
</tgroup>
</table>
</listitem>
</varlistentry>
</variablelist>
</section>
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