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path: root/tests/drm_lib.sh
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#!/bin/sh

SOURCE_DIR="$( dirname "${BASH_SOURCE[0]}" )"
. $SOURCE_DIR/drm_getopt.sh

skip() {
	echo "$@"
	exit $IGT_EXIT_SKIP
}

die() {
	echo "$@"
	exit $IGT_EXIT_FAILURE
}

do_or_die() {
	$@ > /dev/null 2>&1 || (echo "FAIL: $@ ($?)" && exit $IGT_EXIT_FAILURE)
}

if [ -d /debug/dri ] ; then
	debugfs_path=/debug/dri
fi

if [ -d /sys/kernel/debug/dri ] ; then
	debugfs_path=/sys/kernel/debug/dri
fi

i915_dfs_path=x
for minor in `seq 0 16`; do
	if [ -f $debugfs_path/$minor/i915_error_state ] ; then
		i915_dfs_path=$debugfs_path/$minor
		break
	fi
done

if [ $i915_dfs_path = "x" ] ; then
	skip " i915 debugfs path not found."
fi

# read everything we can
if [ `cat $i915_dfs_path/clients | wc -l` -gt "2" ] ; then
	[ -n "$DRM_LIB_ALLOW_NO_MASTER" ] || \
		die "ERROR: other drm clients running"
fi

whoami | grep -q root || ( echo ERROR: not running as root; exit $IGT_EXIT_FAILURE )

i915_sfs_path=
if [ -d /sys/class/drm ] ; then
    sysfs_path=/sys/class/drm
    if [ -f $sysfs_path/card$minor/error ] ; then
	    i915_sfs_path="$sysfs_path/card$minor"
    fi
fi
# sysfs may not exist as the 'error' is a new interface in 3.11

function drmtest_skip_on_simulation()
{
	[ -n "$INTEL_SIMULATION" ] && exit $IGT_EXIT_SKIP
}

drmtest_skip_on_simulation