1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#exit status
#1: run as non-root user
#2: sysfs/debugfs not mount
#3: insert module fail when gpio-mockup is a module.
#4: other reason.
SYSFS=
GPIO_SYSFS=
GPIO_DRV_SYSFS=
DEBUGFS=
GPIO_DEBUGFS=
dev_type=
module=
usage()
{
echo "Usage:"
echo "$0 [-f] [-m name] [-t type]"
echo "-f: full test. It maybe conflict with existence gpio device."
echo "-m: module name, default name is gpio-mockup. It could also test"
echo " other gpio device."
echo "-t: interface type: chardev(char device) and sysfs(being"
echo " deprecated). The first one is default"
echo ""
echo "$0 -h"
echo "This usage"
}
prerequisite()
{
msg="skip all tests:"
if [ $UID != 0 ]; then
echo $msg must be run as root >&2
exit 1
fi
SYSFS=`mount -t sysfs | head -1 | awk '{ print $3 }'`
if [ ! -d "$SYSFS" ]; then
echo $msg sysfs is not mounted >&2
exit 2
fi
GPIO_SYSFS=`echo $SYSFS/class/gpio`
GPIO_DRV_SYSFS=`echo $SYSFS/devices/platform/$module/gpio`
DEBUGFS=`mount -t debugfs | head -1 | awk '{ print $3 }'`
if [ ! -d "$DEBUGFS" ]; then
echo $msg debugfs is not mounted >&2
exit 2
fi
GPIO_DEBUGFS=`echo $DEBUGFS/gpio`
source gpio-mockup-sysfs.sh
}
try_insert_module()
{
if [ -d "$GPIO_DRV_SYSFS" ]; then
echo "$GPIO_DRV_SYSFS exist. Skip insert module"
else
modprobe -q $module $1
if [ X$? != X0 ]; then
echo $msg insmod $module failed >&2
exit 3
fi
fi
}
remove_module()
{
modprobe -r -q $module
}
die()
{
remove_module
exit 4
}
test_chips()
{
if [ X$dev_type = Xsysfs ]; then
echo "WARNING: sysfs ABI of gpio is going to deprecated."
test_chips_sysfs $*
else
$BASE/gpio-mockup-chardev $*
fi
}
gpio_test()
{
param=$1
valid=$2
if [ X"$param" = X ]; then
die
fi
try_insert_module "gpio_mockup_ranges=$param"
echo -n "GPIO $module test with ranges: <"
echo "$param>: "
printf "%-10s %s\n" $param
test_chips $module $valid
remove_module
}
BASE=`dirname $0`
dev_type=
TEMP=`getopt -o fhm:t: -n '$0' -- "$@"`
if [ "$?" != "0" ]; then
echo "Parameter process failed, Terminating..." >&2
exit 1
fi
# Note the quotes around `$TEMP': they are essential!
eval set -- "$TEMP"
while true; do
case $1 in
-f)
full_test=true
shift
;;
-h)
usage
exit
;;
-m)
module=$2
shift 2
;;
-t)
dev_type=$2
shift 2
;;
--)
shift
break
;;
*)
echo "Internal error!"
exit 1
;;
esac
done
if [ X"$module" = X ]; then
module="gpio-mockup"
fi
if [ X$dev_type != Xsysfs ]; then
dev_type="chardev"
fi
prerequisite
echo "1. Test dynamic allocation of gpio successful means insert gpiochip and"
echo " manipulate gpio pin successful"
gpio_test "-1,32" true
gpio_test "-1,32,-1,32" true
gpio_test "-1,32,-1,32,-1,32" true
if [ X$full_test = Xtrue ]; then
gpio_test "-1,32,32,64" true
gpio_test "-1,32,40,64,-1,5" true
gpio_test "-1,32,32,64,-1,32" true
gpio_test "0,32,32,64,-1,32,-1,32" true
gpio_test "-1,32,-1,32,0,32,32,64" true
echo "2. Do basic test: successful means insert gpiochip and"
echo " manipulate gpio pin successful"
gpio_test "0,32" true
gpio_test "0,32,32,64" true
gpio_test "0,32,40,64,64,96" true
fi
echo "3. Error test: successful means insert gpiochip failed"
echo "3.1 Test number of gpio overflow"
#Currently: The max number of gpio(1024) is defined in arm architecture.
gpio_test "-1,32,-1,1024" false
if [ X$full_test = Xtrue ]; then
echo "3.2 Test zero line of gpio"
gpio_test "0,0" false
echo "3.3 Test range overlap"
echo "3.3.1 Test corner case"
gpio_test "0,32,0,1" false
gpio_test "0,32,32,64,32,40" false
gpio_test "0,32,35,64,35,45" false
gpio_test "0,32,31,32" false
gpio_test "0,32,32,64,36,37" false
gpio_test "0,32,35,64,34,36" false
echo "3.3.2 Test inserting invalid second gpiochip"
gpio_test "0,32,30,35" false
gpio_test "0,32,1,5" false
gpio_test "10,32,9,14" false
gpio_test "10,32,30,35" false
echo "3.3.3 Test others"
gpio_test "0,32,40,56,39,45" false
gpio_test "0,32,40,56,30,33" false
gpio_test "0,32,40,56,30,41" false
gpio_test "0,32,40,56,20,21" false
fi
echo GPIO test PASS
|
