/******************************************************************************
 * features.c
 *
 * Xen feature flags.
 *
 * Copyright (c) 2006, Ian Campbell, XenSource Inc.
 */
#include <linux/types.h>
#include <linux/cache.h>
#include <linux/export.h>

#include <asm/xen/hypercall.h>

#include <xen/interface/xen.h>
#include <xen/interface/version.h>
#include <xen/features.h>

u8 xen_features[XENFEAT_NR_SUBMAPS * 32] __read_mostly;
EXPORT_SYMBOL_GPL(xen_features);

void xen_setup_features(void)
{
	struct xen_feature_info fi;
	int i, j;

	for (i = 0; i < XENFEAT_NR_SUBMAPS; i++) {
		fi.submap_idx = i;
		if (HYPERVISOR_xen_version(XENVER_get_features, &fi) < 0)
			break;
		for (j = 0; j < 32; j++)
			xen_features[i * 32 + j] = !!(fi.submap & 1<<j);
	}
}
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=92c715fca907686f5298220ece53423e38ba3aed'>root</a>/<a href='/cgit.cgi/linux/net-next.git/diff/sound?h=nds-private-remove&amp;id=92c715fca907686f5298220ece53423e38ba3aed'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/diff/sound/firewire?h=nds-private-remove&amp;id=92c715fca907686f5298220ece53423e38ba3aed'>firewire</a>/<a href='/cgit.cgi/linux/net-next.git/diff/sound/firewire/iso-resources.c?h=nds-private-remove&amp;id=92c715fca907686f5298220ece53423e38ba3aed'>iso-resources.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='92c715fca907686f5298220ece53423e38ba3aed'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=92c715fca907686f5298220ece53423e38ba3aed'>Diffstat</a> (limited to 'sound/firewire/iso-resources.c')</div><table summary='diffstat' class='diffstat'>