blob: 16df153e4a6d74e79e712946826c754d64a72c64 [file]
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="generator" content="Asciidoctor 2.0.23">
<title>cl_intel_device_attribute_query</title>
<style>
/*! normalize.css v2.1.2 | MIT License | git.io/normalize */
/* ========================================================================== HTML5 display definitions ========================================================================== */
/** Correct `block` display not defined in IE 8/9. */
article, aside, details, figcaption, figure, footer, header, hgroup, main, nav, section, summary { display: block; }
/** Correct `inline-block` display not defined in IE 8/9. */
audio, canvas, video { display: inline-block; }
/** Prevent modern browsers from displaying `audio` without controls. Remove excess height in iOS 5 devices. */
audio:not([controls]) { display: none; height: 0; }
/** Address `[hidden]` styling not present in IE 8/9. Hide the `template` element in IE, Safari, and Firefox < 22. */
[hidden], template { display: none; }
script { display: none !important; }
/* ========================================================================== Base ========================================================================== */
/** 1. Set default font family to sans-serif. 2. Prevent iOS text size adjust after orientation change, without disabling user zoom. */
html { font-family: sans-serif; /* 1 */ -ms-text-size-adjust: 100%; /* 2 */ -webkit-text-size-adjust: 100%; /* 2 */ }
/** Remove default margin. */
body { margin: 0; }
/* ========================================================================== Links ========================================================================== */
/** Remove the gray background color from active links in IE 10. */
a { background: transparent; }
/** Address `outline` inconsistency between Chrome and other browsers. */
a:focus { outline: thin dotted; }
/** Improve readability when focused and also mouse hovered in all browsers. */
a:active, a:hover { outline: 0; }
/* ========================================================================== Typography ========================================================================== */
/** Address variable `h1` font-size and margin within `section` and `article` contexts in Firefox 4+, Safari 5, and Chrome. */
h1 { font-size: 2em; margin: 0.67em 0; }
/** Address styling not present in IE 8/9, Safari 5, and Chrome. */
abbr[title] { border-bottom: 1px dotted; }
/** Address style set to `bolder` in Firefox 4+, Safari 5, and Chrome. */
b, strong { font-weight: bold; }
/** Address styling not present in Safari 5 and Chrome. */
dfn { font-style: italic; }
/** Address differences between Firefox and other browsers. */
hr { -moz-box-sizing: content-box; box-sizing: content-box; height: 0; }
/** Address styling not present in IE 8/9. */
mark { background: #ff0; color: #000; }
/** Correct font family set oddly in Safari 5 and Chrome. */
code, kbd, pre, samp { font-family: monospace, serif; font-size: 1em; }
/** Improve readability of pre-formatted text in all browsers. */
pre { white-space: pre-wrap; }
/** Set consistent quote types. */
q { quotes: "\201C" "\201D" "\2018" "\2019"; }
/** Address inconsistent and variable font size in all browsers. */
small { font-size: 80%; }
/** Prevent `sub` and `sup` affecting `line-height` in all browsers. */
sub, sup { font-size: 75%; line-height: 0; position: relative; vertical-align: baseline; }
sup { top: -0.5em; }
sub { bottom: -0.25em; }
/* ========================================================================== Embedded content ========================================================================== */
/** Remove border when inside `a` element in IE 8/9. */
img { border: 0; }
/** Correct overflow displayed oddly in IE 9. */
svg:not(:root) { overflow: hidden; }
/* ========================================================================== Figures ========================================================================== */
/** Address margin not present in IE 8/9 and Safari 5. */
figure { margin: 0; }
/* ========================================================================== Forms ========================================================================== */
/** Define consistent border, margin, and padding. */
fieldset { border: 1px solid #c0c0c0; margin: 0 2px; padding: 0.35em 0.625em 0.75em; }
/** 1. Correct `color` not being inherited in IE 8/9. 2. Remove padding so people aren't caught out if they zero out fieldsets. */
legend { border: 0; /* 1 */ padding: 0; /* 2 */ }
/** 1. Correct font family not being inherited in all browsers. 2. Correct font size not being inherited in all browsers. 3. Address margins set differently in Firefox 4+, Safari 5, and Chrome. */
button, input, select, textarea { font-family: inherit; /* 1 */ font-size: 100%; /* 2 */ margin: 0; /* 3 */ }
/** Address Firefox 4+ setting `line-height` on `input` using `!important` in the UA stylesheet. */
button, input { line-height: normal; }
/** Address inconsistent `text-transform` inheritance for `button` and `select`. All other form control elements do not inherit `text-transform` values. Correct `button` style inheritance in Chrome, Safari 5+, and IE 8+. Correct `select` style inheritance in Firefox 4+ and Opera. */
button, select { text-transform: none; }
/** 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio` and `video` controls. 2. Correct inability to style clickable `input` types in iOS. 3. Improve usability and consistency of cursor style between image-type `input` and others. */
button, html input[type="button"], input[type="reset"], input[type="submit"] { -webkit-appearance: button; /* 2 */ cursor: pointer; /* 3 */ }
/** Re-set default cursor for disabled elements. */
button[disabled], html input[disabled] { cursor: default; }
/** 1. Address box sizing set to `content-box` in IE 8/9. 2. Remove excess padding in IE 8/9. */
input[type="checkbox"], input[type="radio"] { box-sizing: border-box; /* 1 */ padding: 0; /* 2 */ }
/** 1. Address `appearance` set to `searchfield` in Safari 5 and Chrome. 2. Address `box-sizing` set to `border-box` in Safari 5 and Chrome (include `-moz` to future-proof). */
input[type="search"] { -webkit-appearance: textfield; /* 1 */ -moz-box-sizing: content-box; -webkit-box-sizing: content-box; /* 2 */ box-sizing: content-box; }
/** Remove inner padding and search cancel button in Safari 5 and Chrome on OS X. */
input[type="search"]::-webkit-search-cancel-button, input[type="search"]::-webkit-search-decoration { -webkit-appearance: none; }
/** Remove inner padding and border in Firefox 4+. */
button::-moz-focus-inner, input::-moz-focus-inner { border: 0; padding: 0; }
/** 1. Remove default vertical scrollbar in IE 8/9. 2. Improve readability and alignment in all browsers. */
textarea { overflow: auto; /* 1 */ vertical-align: top; /* 2 */ }
/* ========================================================================== Tables ========================================================================== */
/** Remove most spacing between table cells. */
table { border-collapse: collapse; border-spacing: 0; }
meta.foundation-mq-small { font-family: "only screen and (min-width: 768px)"; width: 768px; }
meta.foundation-mq-medium { font-family: "only screen and (min-width:1280px)"; width: 1280px; }
meta.foundation-mq-large { font-family: "only screen and (min-width:1440px)"; width: 1440px; }
*, *:before, *:after { -moz-box-sizing: border-box; -webkit-box-sizing: border-box; box-sizing: border-box; }
html, body { font-size: 100%; }
body { background: #fff; color: #222; padding: 0; margin: 0; font-family: "Helvetica Neue", "Helvetica", Helvetica, Arial, sans-serif; font-weight: normal; font-style: normal; line-height: 1; position: relative; cursor: auto; }
a:hover { cursor: pointer; }
img, object, embed { max-width: 100%; height: auto; }
object, embed { height: 100%; }
img { -ms-interpolation-mode: bicubic; }
#map_canvas img, #map_canvas embed, #map_canvas object, .map_canvas img, .map_canvas embed, .map_canvas object { max-width: none !important; }
.left { float: left !important; }
.right { float: right !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }
.text-center { text-align: center !important; }
.text-justify { text-align: justify !important; }
.hide { display: none; }
.antialiased { -webkit-font-smoothing: antialiased; }
img { display: inline-block; vertical-align: middle; }
textarea { height: auto; min-height: 50px; }
select { width: 100%; }
object, svg { display: inline-block; vertical-align: middle; }
.center { margin-left: auto; margin-right: auto; }
.spread { width: 100%; }
p.lead, .paragraph.lead > p, #preamble > .sectionbody > .paragraph:first-of-type p { font-size: 1.21875em; line-height: 1.6; }
.subheader, .admonitionblock td.content > .title, .audioblock > .title, .exampleblock > .title, .imageblock > .title, .listingblock > .title, .literalblock > .title, .stemblock > .title, .openblock > .title, .paragraph > .title, .quoteblock > .title, table.tableblock > .title, .verseblock > .title, .videoblock > .title, .dlist > .title, .olist > .title, .ulist > .title, .qlist > .title, .hdlist > .title { line-height: 1.4; color: black; font-weight: 300; margin-top: 0.2em; margin-bottom: 0.5em; }
/* Typography resets */
div, dl, dt, dd, ul, ol, li, h1, h2, h3, #toctitle, .sidebarblock > .content > .title, h4, h5, h6, pre, form, p, blockquote, th, td { margin: 0; padding: 0; direction: ltr; }
/* Default Link Styles */
a { color: #0068b0; text-decoration: none; line-height: inherit; }
a:hover, a:focus { color: #333; }
a img { border: none; }
/* Default paragraph styles */
p { font-family: Noto, sans-serif; font-weight: normal; font-size: 1em; line-height: 1.6; margin-bottom: 0.75em; text-rendering: optimizeLegibility; }
p aside { font-size: 0.875em; line-height: 1.35; font-style: italic; }
/* Default header styles */
h1, h2, h3, #toctitle, .sidebarblock > .content > .title, h4, h5, h6 { font-family: Noto, sans-serif; font-weight: normal; font-style: normal; color: black; text-rendering: optimizeLegibility; margin-top: 0.5em; margin-bottom: 0.5em; line-height: 1.2125em; }
h1 small, h2 small, h3 small, #toctitle small, .sidebarblock > .content > .title small, h4 small, h5 small, h6 small { font-size: 60%; color: #4d4d4d; line-height: 0; }
h1 { font-size: 2.125em; }
h2 { font-size: 1.6875em; }
h3, #toctitle, .sidebarblock > .content > .title { font-size: 1.375em; }
h4 { font-size: 1.125em; }
h5 { font-size: 1.125em; }
h6 { font-size: 1em; }
hr { border: solid #ddd; border-width: 1px 0 0; clear: both; margin: 1.25em 0 1.1875em; height: 0; }
/* Helpful Typography Defaults */
em, i { font-style: italic; line-height: inherit; }
strong, b { font-weight: bold; line-height: inherit; }
small { font-size: 60%; line-height: inherit; }
code { font-family: Consolas, "Liberation Mono", Courier, monospace; font-weight: normal; color: #264357; }
/* Lists */
ul, ol, dl { font-size: 1em; line-height: 1.6; margin-bottom: 0.75em; list-style-position: outside; font-family: Noto, sans-serif; }
ul, ol { margin-left: 1.5em; }
ul.no-bullet, ol.no-bullet { margin-left: 1.5em; }
/* Unordered Lists */
ul li ul, ul li ol { margin-left: 1.25em; margin-bottom: 0; font-size: 1em; /* Override nested font-size change */ }
ul.square li ul, ul.circle li ul, ul.disc li ul { list-style: inherit; }
ul.square { list-style-type: square; }
ul.circle { list-style-type: circle; }
ul.disc { list-style-type: disc; }
ul.no-bullet { list-style: none; }
/* Ordered Lists */
ol li ul, ol li ol { margin-left: 1.25em; margin-bottom: 0; }
/* Definition Lists */
dl dt { margin-bottom: 0.3em; font-weight: bold; }
dl dd { margin-bottom: 0.75em; }
/* Abbreviations */
abbr, acronym { text-transform: uppercase; font-size: 90%; color: black; border-bottom: 1px dotted #ddd; cursor: help; }
abbr { text-transform: none; }
/* Blockquotes */
blockquote { margin: 0 0 0.75em; padding: 0.5625em 1.25em 0 1.1875em; border-left: 1px solid #ddd; }
blockquote cite { display: block; font-size: 0.8125em; color: #365E7A; }
blockquote cite:before { content: "\2014 \0020"; }
blockquote cite a, blockquote cite a:visited { color: #365E7A; }
blockquote, blockquote p { line-height: 1.6; color: #333; }
/* Microformats */
.vcard { display: inline-block; margin: 0 0 1.25em 0; border: 1px solid #ddd; padding: 0.625em 0.75em; }
.vcard li { margin: 0; display: block; }
.vcard .fn { font-weight: bold; font-size: 0.9375em; }
.vevent .summary { font-weight: bold; }
.vevent abbr { cursor: auto; text-decoration: none; font-weight: bold; border: none; padding: 0 0.0625em; }
@media only screen and (min-width: 768px) { h1, h2, h3, #toctitle, .sidebarblock > .content > .title, h4, h5, h6 { line-height: 1.4; }
h1 { font-size: 2.75em; }
h2 { font-size: 2.3125em; }
h3, #toctitle, .sidebarblock > .content > .title { font-size: 1.6875em; }
h4 { font-size: 1.4375em; } }
/* Tables */
table { background: #fff; margin-bottom: 1.25em; border: solid 1px #d8d8ce; }
table thead, table tfoot { background: #eee; font-weight: bold; }
table thead tr th, table thead tr td, table tfoot tr th, table tfoot tr td { padding: 0.5em 0.625em 0.625em; font-size: inherit; color: #222; text-align: left; }
table tr th, table tr td { padding: 0.5625em 0.625em; font-size: inherit; color: #6d6e71; }
table tr.even, table tr.alt, table tr:nth-of-type(even) { background: #f8f8f8; }
table thead tr th, table tfoot tr th, table tbody tr td, table tr td, table tfoot tr td { display: table-cell; line-height: 1.4; }
body { -moz-osx-font-smoothing: grayscale; -webkit-font-smoothing: antialiased; tab-size: 4; }
h1, h2, h3, #toctitle, .sidebarblock > .content > .title, h4, h5, h6 { line-height: 1.4; }
a:hover, a:focus { text-decoration: underline; }
.clearfix:before, .clearfix:after, .float-group:before, .float-group:after { content: " "; display: table; }
.clearfix:after, .float-group:after { clear: both; }
*:not(pre) > code { font-size: inherit; font-style: normal !important; letter-spacing: 0; padding: 0; background-color: transparent; -webkit-border-radius: 0; border-radius: 0; line-height: inherit; word-wrap: break-word; }
*:not(pre) > code.nobreak { word-wrap: normal; }
*:not(pre) > code.nowrap { white-space: nowrap; }
pre, pre > code { line-height: 1.6; color: #264357; font-family: Consolas, "Liberation Mono", Courier, monospace; font-weight: normal; }
em em { font-style: normal; }
strong strong { font-weight: normal; }
.keyseq { color: #333333; }
kbd { font-family: Consolas, "Liberation Mono", Courier, monospace; display: inline-block; color: black; font-size: 0.65em; line-height: 1.45; background-color: #f7f7f7; border: 1px solid #ccc; -webkit-border-radius: 3px; border-radius: 3px; -moz-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2), 0 0 0 0.1em white inset; -webkit-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2), 0 0 0 0.1em white inset; box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2), 0 0 0 0.1em white inset; margin: 0 0.15em; padding: 0.2em 0.5em; vertical-align: middle; position: relative; top: -0.1em; white-space: nowrap; }
.keyseq kbd:first-child { margin-left: 0; }
.keyseq kbd:last-child { margin-right: 0; }
.menuseq, .menuref { color: #000; }
.menuseq b:not(.caret), .menuref { font-weight: inherit; }
.menuseq { word-spacing: -0.02em; }
.menuseq b.caret { font-size: 1.25em; line-height: 0.8; }
.menuseq i.caret { font-weight: bold; text-align: center; width: 0.45em; }
b.button:before, b.button:after { position: relative; top: -1px; font-weight: normal; }
b.button:before { content: "["; padding: 0 3px 0 2px; }
b.button:after { content: "]"; padding: 0 2px 0 3px; }
#header, #content, #footnotes, #footer { width: 100%; margin-left: auto; margin-right: auto; margin-top: 0; margin-bottom: 0; max-width: 62.5em; *zoom: 1; position: relative; padding-left: 1.5em; padding-right: 1.5em; }
#header:before, #header:after, #content:before, #content:after, #footnotes:before, #footnotes:after, #footer:before, #footer:after { content: " "; display: table; }
#header:after, #content:after, #footnotes:after, #footer:after { clear: both; }
#content { margin-top: 1.25em; }
#content:before { content: none; }
#header > h1:first-child { color: black; margin-top: 2.25rem; margin-bottom: 0; }
#header > h1:first-child + #toc { margin-top: 8px; border-top: 1px solid #ddd; }
#header > h1:only-child, body.toc2 #header > h1:nth-last-child(2) { border-bottom: 1px solid #ddd; padding-bottom: 8px; }
#header .details { border-bottom: 1px solid #ddd; line-height: 1.45; padding-top: 0.25em; padding-bottom: 0.25em; padding-left: 0.25em; color: #365E7A; display: -ms-flexbox; display: -webkit-flex; display: flex; -ms-flex-flow: row wrap; -webkit-flex-flow: row wrap; flex-flow: row wrap; }
#header .details span:first-child { margin-left: -0.125em; }
#header .details span.email a { color: #333; }
#header .details br { display: none; }
#header .details br + span:before { content: "\00a0\2013\00a0"; }
#header .details br + span.author:before { content: "\00a0\22c5\00a0"; color: #333; }
#header .details br + span#revremark:before { content: "\00a0|\00a0"; }
#header #revnumber { text-transform: capitalize; }
#header #revnumber:after { content: "\00a0"; }
#content > h1:first-child:not([class]) { color: black; border-bottom: 1px solid #ddd; padding-bottom: 8px; margin-top: 0; padding-top: 1rem; margin-bottom: 1.25rem; }
#toc { border-bottom: 0 solid #ddd; padding-bottom: 0.5em; }
#toc > ul { margin-left: 0.125em; }
#toc ul.sectlevel0 > li > a { font-style: italic; }
#toc ul.sectlevel0 ul.sectlevel1 { margin: 0.5em 0; }
#toc ul { font-family: Noto, sans-serif; list-style-type: none; }
#toc li { line-height: 1.3334; margin-top: 0.3334em; }
#toc a { text-decoration: none; }
#toc a:active { text-decoration: underline; }
#toctitle { color: black; font-size: 1.2em; }
@media only screen and (min-width: 768px) { #toctitle { font-size: 1.375em; }
body.toc2 { padding-left: 15em; padding-right: 0; }
#toc.toc2 { margin-top: 0 !important; background-color: #fff; position: fixed; width: 15em; left: 0; top: 0; border-right: 1px solid #ddd; border-top-width: 0 !important; border-bottom-width: 0 !important; z-index: 1000; padding: 1.25em 1em; height: 100%; overflow: auto; }
#toc.toc2 #toctitle { margin-top: 0; margin-bottom: 0.8rem; font-size: 1.2em; }
#toc.toc2 > ul { font-size: 0.9em; margin-bottom: 0; }
#toc.toc2 ul ul { margin-left: 0; padding-left: 1em; }
#toc.toc2 ul.sectlevel0 ul.sectlevel1 { padding-left: 0; margin-top: 0.5em; margin-bottom: 0.5em; }
body.toc2.toc-right { padding-left: 0; padding-right: 15em; }
body.toc2.toc-right #toc.toc2 { border-right-width: 0; border-left: 1px solid #ddd; left: auto; right: 0; } }
@media only screen and (min-width: 1280px) { body.toc2 { padding-left: 20em; padding-right: 0; }
#toc.toc2 { width: 20em; }
#toc.toc2 #toctitle { font-size: 1.375em; }
#toc.toc2 > ul { font-size: 0.95em; }
#toc.toc2 ul ul { padding-left: 1.25em; }
body.toc2.toc-right { padding-left: 0; padding-right: 20em; } }
#content #toc { border-style: solid; border-width: 1px; border-color: #e6e6e6; margin-bottom: 1.25em; padding: 1.25em; background: #fff; -webkit-border-radius: 0; border-radius: 0; }
#content #toc > :first-child { margin-top: 0; }
#content #toc > :last-child { margin-bottom: 0; }
#footer { max-width: 100%; background: none; padding: 1.25em; }
#footer-text { color: black; line-height: 1.44; }
#content { margin-bottom: 0.625em; }
.sect1 { padding-bottom: 0.625em; }
@media only screen and (min-width: 768px) { #content { margin-bottom: 1.25em; }
.sect1 { padding-bottom: 1.25em; } }
.sect1:last-child { padding-bottom: 0; }
.sect1 + .sect1 { border-top: 0 solid #ddd; }
#content h1 > a.anchor, h2 > a.anchor, h3 > a.anchor, #toctitle > a.anchor, .sidebarblock > .content > .title > a.anchor, h4 > a.anchor, h5 > a.anchor, h6 > a.anchor { position: absolute; z-index: 1001; width: 1.5ex; margin-left: -1.5ex; display: block; text-decoration: none !important; visibility: hidden; text-align: center; font-weight: normal; }
#content h1 > a.anchor:before, h2 > a.anchor:before, h3 > a.anchor:before, #toctitle > a.anchor:before, .sidebarblock > .content > .title > a.anchor:before, h4 > a.anchor:before, h5 > a.anchor:before, h6 > a.anchor:before { content: "\00A7"; font-size: 0.85em; display: block; padding-top: 0.1em; }
#content h1:hover > a.anchor, #content h1 > a.anchor:hover, h2:hover > a.anchor, h2 > a.anchor:hover, h3:hover > a.anchor, #toctitle:hover > a.anchor, .sidebarblock > .content > .title:hover > a.anchor, h3 > a.anchor:hover, #toctitle > a.anchor:hover, .sidebarblock > .content > .title > a.anchor:hover, h4:hover > a.anchor, h4 > a.anchor:hover, h5:hover > a.anchor, h5 > a.anchor:hover, h6:hover > a.anchor, h6 > a.anchor:hover { visibility: visible; }
#content h1 > a.link, h2 > a.link, h3 > a.link, #toctitle > a.link, .sidebarblock > .content > .title > a.link, h4 > a.link, h5 > a.link, h6 > a.link { color: black; text-decoration: none; }
#content h1 > a.link:hover, h2 > a.link:hover, h3 > a.link:hover, #toctitle > a.link:hover, .sidebarblock > .content > .title > a.link:hover, h4 > a.link:hover, h5 > a.link:hover, h6 > a.link:hover { color: black; }
.audioblock, .imageblock, .literalblock, .listingblock, .stemblock, .videoblock { margin-bottom: 1.25em; }
.admonitionblock td.content > .title, .audioblock > .title, .exampleblock > .title, .imageblock > .title, .listingblock > .title, .literalblock > .title, .stemblock > .title, .openblock > .title, .paragraph > .title, .quoteblock > .title, table.tableblock > .title, .verseblock > .title, .videoblock > .title, .dlist > .title, .olist > .title, .ulist > .title, .qlist > .title, .hdlist > .title { text-rendering: optimizeLegibility; text-align: left; }
table.tableblock > caption.title { white-space: nowrap; overflow: visible; max-width: 0; }
.paragraph.lead > p, #preamble > .sectionbody > .paragraph:first-of-type p { color: black; }
table.tableblock #preamble > .sectionbody > .paragraph:first-of-type p { font-size: inherit; }
.admonitionblock > table { border-collapse: separate; border: 0; background: none; width: 100%; }
.admonitionblock > table td.icon { text-align: center; width: 80px; }
.admonitionblock > table td.icon img { max-width: initial; }
.admonitionblock > table td.icon .title { font-weight: bold; font-family: Noto, sans-serif; text-transform: uppercase; }
.admonitionblock > table td.content { padding-left: 1.125em; padding-right: 1.25em; border-left: 1px solid #ddd; color: #365E7A; }
.admonitionblock > table td.content > :last-child > :last-child { margin-bottom: 0; }
.exampleblock > .content { border-style: solid; border-width: 1px; border-color: #e6e6e6; margin-bottom: 1.25em; padding: 1.25em; background: #fff; -webkit-border-radius: 0; border-radius: 0; }
.exampleblock > .content > :first-child { margin-top: 0; }
.exampleblock > .content > :last-child { margin-bottom: 0; }
.sidebarblock { border-style: solid; border-width: 1px; border-color: #e6e6e6; margin-bottom: 1.25em; padding: 1.25em; background: #fff; -webkit-border-radius: 0; border-radius: 0; }
.sidebarblock > :first-child { margin-top: 0; }
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<body class="book">
<div id="header">
<h1>cl_intel_device_attribute_query</h1>
<div class="details">
<span id="revnumber">version v3.0.19-43-gb00754be,</span>
<span id="revdate">Fri, 09 Jan 2026 18:53:22 +0000</span>
<br><span id="revremark">from git branch: main commit: b00754be2360e1dc64c1914e5e7b9d71a37f3b90</span>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="_name_strings"><a class="anchor" href="#_name_strings"></a>Name Strings</h2>
<div class="sectionbody">
<div class="paragraph">
<p><code>cl_intel_device_attribute_query</code></p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_contact"><a class="anchor" href="#_contact"></a>Contact</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Ben Ashbaugh, Intel (ben 'dot' ashbaugh 'at' intel 'dot' com)</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_contributors"><a class="anchor" href="#_contributors"></a>Contributors</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Ben Ashbaugh, Intel<br>
Maciej Dziuban, Intel<br>
Rafik Saliev, Intel</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_notice"><a class="anchor" href="#_notice"></a>Notice</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Copyright (c) 2021-2026 Intel Corporation. All rights reserved.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_status"><a class="anchor" href="#_status"></a>Status</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Shipping</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_version"><a class="anchor" href="#_version"></a>Version</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Built On: 2026-01-06<br>
Version: 1.0.0</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_dependencies"><a class="anchor" href="#_dependencies"></a>Dependencies</h2>
<div class="sectionbody">
<div class="paragraph">
<p>This feature is written against the OpenCL API Specification Version V3.0.6.</p>
</div>
<div class="paragraph">
<p>This extension requires OpenCL 1.0.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_overview"><a class="anchor" href="#_overview"></a>Overview</h2>
<div class="sectionbody">
<div class="paragraph">
<p>This extension can be used to query additional information about Intel OpenCL devices.
The additional information may be useful to tailor a specific workload to the properties of the device.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_new_api_functions"><a class="anchor" href="#_new_api_functions"></a>New API Functions</h2>
<div class="sectionbody">
<div class="paragraph">
<p>None.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_new_api_enums"><a class="anchor" href="#_new_api_enums"></a>New API Enums</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Possible values accepted as the <em>param_name</em> parameter of <strong>clGetDeviceInfo</strong>, depending on the device type and the extension version.
Additional queries may be added in subsequent versions of the extension:</p>
</div>
<div class="listingblock">
<div class="content">
<pre class="CodeRay highlight"><code>/* For GPU devices, version 1.0.0: */
#define CL_DEVICE_IP_VERSION_INTEL 0x4250
#define CL_DEVICE_ID_INTEL 0x4251
#define CL_DEVICE_NUM_SLICES_INTEL 0x4252
#define CL_DEVICE_NUM_SUB_SLICES_PER_SLICE_INTEL 0x4253
#define CL_DEVICE_NUM_EUS_PER_SUB_SLICE_INTEL 0x4254
#define CL_DEVICE_NUM_THREADS_PER_EU_INTEL 0x4255
#define CL_DEVICE_FEATURE_CAPABILITIES_INTEL 0x4256</code></pre>
</div>
</div>
<div class="paragraph">
<p>Bitfield type describing the feature capabilities of a device.
Additional feature flags may be added in subsequent versions of the extension.</p>
</div>
<div class="listingblock">
<div class="content">
<pre class="CodeRay highlight"><code>typedef cl_bitfield cl_device_feature_capabilities_intel;
/* For GPU devices, version 1.0.0: */
#define CL_DEVICE_FEATURE_FLAG_DP4A_INTEL (1 &lt;&lt; 0)
#define CL_DEVICE_FEATURE_FLAG_DPAS_INTEL (1 &lt;&lt; 1)</code></pre>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_new_api_types"><a class="anchor" href="#_new_api_types"></a>New API Types</h2>
<div class="sectionbody">
<div class="paragraph">
<p>None.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_modifications_to_the_opencl_api_specification"><a class="anchor" href="#_modifications_to_the_opencl_api_specification"></a>Modifications to the OpenCL API Specification</h2>
<div class="sectionbody">
<div class="dlist">
<dl>
<dt class="hdlist1">(Add to the list preceding Table 5 in Section 4.2 - Querying Devices) </dt>
<dd>
<div class="openblock">
<div class="content">
<div class="paragraph">
<p>The device queries described in the Device Queries table should return the same information for a root-level device i.e. a device returned by <strong>clGetDeviceIDs</strong> and any sub-devices created from this device except for the following queries:</p>
</div>
<div class="ulist">
<ul>
<li>
<p>&#8230;&#8203;</p>
</li>
<li>
<p><code>CL_DEVICE_<wbr>NUM_<wbr>SLICES_<wbr>INTEL</code></p>
</li>
</ul>
</div>
</div>
</div>
</dd>
<dt class="hdlist1">(Add to Table 5 - OpenCL Device Queries in Section 4.2 - Querying Devices) </dt>
<dd>
<div class="openblock">
<div class="content">
<table class="tableblock frame-all grid-all stretch">
<caption class="title">Table 5. List of supported param_names by clGetDeviceInfo</caption>
<colgroup>
<col style="width: 30%;">
<col style="width: 20%;">
<col style="width: 50%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top"><strong>cl_device_info</strong></th>
<th class="tableblock halign-left valign-top">Return Type</th>
<th class="tableblock halign-left valign-top">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock"><code>CL_DEVICE_<wbr>IP_<wbr>VERSION_<wbr>INTEL</code></p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock"><code>cl_version</code></p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">The IP version for the device.
The meaning of this version is implementation-defined, but newer devices should have a higher version than older devices.</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock"><code>CL_DEVICE_<wbr>ID_<wbr>INTEL</code></p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock"><code>cl_uint</code></p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">A unique device identifier for the OpenCL device.</p>
<p class="tableblock"> If the implementation is driven primarily by a PCI device with a PCI device ID, the low 16 bits of the device identifier must contain that PCI device ID, and the remaining bits must be set to zero.
Otherwise, the choice of what to return may be dictated by operating system or platform policies - but should uniquely identify both the device version and any major configuration options (for example, core count in the case of multi-core devices).</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock"><code>CL_DEVICE_<wbr>NUM_<wbr>SLICES_<wbr>INTEL</code></p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock"><code>cl_uint</code></p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">The number of slices in the device.
A slice is a collection of sub-slices.</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock"><code>CL_DEVICE_<wbr>NUM_<wbr>SUB_<wbr>SLICES_<wbr>PER_<wbr>SLICE_<wbr>INTEL</code></p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock"><code>cl_uint</code></p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">The maximum number of sub-slices in one slice.
A sub-slice is a collection of execution units (EUs), fixed-function units, and caches.</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock"><code>CL_DEVICE_<wbr>NUM_<wbr>EUS_<wbr>PER_<wbr>SUB_<wbr>SLICE_<wbr>INTEL</code></p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock"><code>cl_uint</code></p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">The maximum number of execution units (EUs) in one sub-slice.
An execution unit is a multi-threaded processor that runs OpenCL kernels.</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock"><code>CL_DEVICE_<wbr>NUM_<wbr>THREADS_<wbr>PER_<wbr>EU_<wbr>INTEL</code></p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock"><code>cl_uint</code></p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">The maximum number of threads that may be simultaneously resident on one execution unit (EU).</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock"><code>CL_DEVICE_<wbr>FEATURE_<wbr>CAPABILITIES_<wbr>INTEL</code></p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock"><code>cl_device_<wbr>feature_<wbr>capabilities_<wbr>intel</code></p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Feature flags describing capabilities supported by the device.</p></td>
</tr>
</tbody>
</table>
</div>
</div>
</dd>
</dl>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_issues"><a class="anchor" href="#_issues"></a>Issues</h2>
<div class="sectionbody">
<div class="olist arabic">
<ol class="arabic">
<li>
<p>How to express cache sizes? Is it for the entire device?</p>
<div class="openblock">
<div class="content">
<div class="paragraph">
<p><strong>RESOLVED</strong>: The cache size query was removed in rev B, for now.
If we decide to add it back, note that some caches are local to the device, while others are local to a sub-slice.</p>
</div>
</div>
</div>
</li>
<li>
<p>Do we need a query for a "full device ID"?</p>
<div class="openblock">
<div class="content">
<div class="paragraph">
<p><strong>RESOLVED</strong>: This is useful but it will be added by a different extension.</p>
</div>
</div>
</div>
</li>
<li>
<p>What should the return type be for the <code>CL_DEVICE_<wbr>IP_<wbr>VERSION_<wbr>INTEL</code> query?</p>
<div class="openblock">
<div class="content">
<div class="paragraph">
<p><strong>RESOLVED</strong>: Using the OpenCL 3.0 <code>cl_version</code> type for now, but it could just as easily be interpreted as a plain <code>cl_uint</code>.</p>
</div>
</div>
</div>
</li>
</ol>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_revision_history"><a class="anchor" href="#_revision_history"></a>Revision History</h2>
<div class="sectionbody">
<table class="tableblock frame-all grid-rows stretch">
<colgroup>
<col style="width: 4.7619%;">
<col style="width: 14.2857%;">
<col style="width: 14.2857%;">
<col style="width: 66.6667%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Version</th>
<th class="tableblock halign-left valign-top">Date</th>
<th class="tableblock halign-left valign-top">Author</th>
<th class="tableblock halign-left valign-top">Changes</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">1.0.0</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">2021-08-12</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Ben Ashbaugh</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock"><strong>Initial public revision</strong></p></td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
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