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
|
#!/bin/sh -e
# SPDX-License-Identifier: BSD-3-Clause
# Copyright (c) 2024 Red Hat, Inc.
#
# Import and check Linux Kernel uAPI headers
#
base_url="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/plain/include/uapi/"
base_path="kernel/linux/uapi/"
version=""
file=""
check_headers=false
quiet=false
print_usage()
{
echo "Usage: $(basename $0) [-h] [-i FILE] [-u VERSION] [-c] [-q]"
echo "-i FILE import Linux header file. E.g. linux/vfio.h"
echo "-u VERSION update imported list of Linux headers to a given version. E.g. v6.10"
echo "-c check headers are valid"
echo "-q quiet mode"
}
version_older_than() {
printf '%s\n%s' "$1" "$2" | sort -C -V
}
download_header()
{
local header=$1
local path=$2
local url="$base_url$header?h=$version"
if ! curl -s -f --create-dirs -o $path $url; then
echo "Failed to download $url"
return 1
fi
return 0
}
update_headers()
{
local header
$quiet || echo "Updating to $version"
for filename in $(find $base_path -name "*.h" -type f); do
header=${filename#$base_path}
download_header $header $filename
done
return 0
}
import_header()
{
local include
local import
local header=$1
local path="$base_path$header"
download_header $header $path
for include in $(sed -ne 's/^#include <\(.*\)>$/\1/p' $path); do
if [ ! -f "$base_path$include" ]; then
read -p "Import $include (y/n): " import && [ "$import" = 'y' ] || continue
$quiet || echo "Importing $include for $path"
import_header "$include"
fi
done
return 0
}
fixup_includes()
{
local path=$1
sed -i "s|^#include <linux/compiler.h>||g" $path
sed -i "s|\<__user[[:space:]]||" $path
sed -i 's|#\(ifndef\)[[:space:]]*_UAPI|#\1 |' $path
sed -i 's|#\(define\)[[:space:]]*_UAPI|#\1 |' $path
sed -i 's|#\(endif[[:space:]]*/[*]\)[[:space:]]*_UAPI|#\1 |' $path
# Prepend include path with "uapi/" if the header is imported
for include in $(sed -ne 's/^#include <\(.*\)>$/\1/p' $path); do
if [ -f "$base_path$include" ]; then
sed -i "s|$include|uapi/$include|g" $path
fi
done
}
update_all()
{
if [ -n "$version" ]; then
if version_older_than "$version" "$current_version"; then
$quiet || echo "Headers already up to date ($current_version >= $version)"
version=$current_version
else
update_headers
fi
else
$quiet || echo "Version not specified, using current version ($current_version)"
version=$current_version
fi
if [ -n "$file" ]; then
import_header $file
fi
for filename in $(find $base_path -name "*.h" -type f); do
fixup_includes $filename
done
echo $version > $base_path/version
}
check_header()
{
$quiet || echo -n "Checking $1... "
if ! diff -q $1 $2 >/dev/null; then
$quiet || echo "KO"
$quiet || diff -u $1 $2
return 1
else
$quiet || echo "OK"
fi
return 0
}
check_all()
{
local errors=0
tmpheader="$(mktemp -t dpdk.checkuapi.XXXXXX)"
trap "rm -f '$tmpheader'" INT
$quiet || echo "Checking imported headers for version $version"
for filename in $(find $base_path -name "*.h" -type f); do
header=${filename#$base_path}
download_header $header $tmpheader
fixup_includes $tmpheader
check_header $filename $tmpheader || errors=$((errors+1))
done
if [ $errors -ne 0 ] || ! $quiet; then
echo "$errors error(s) found in Linux uAPI"
fi
rm -f $tmpheader
trap - INT
return $errors
}
while getopts i:u:cqh opt ; do
case $opt in
i ) file=$OPTARG ;;
u ) version=$OPTARG ;;
c ) check_headers=true ;;
q ) quiet=true ;;
h ) print_usage ; exit 0 ;;
? ) print_usage ; exit 1 ;;
esac
done
shift $(($OPTIND - 1))
if [ $# -ne 0 ]; then
print_usage
exit 1
fi
if $check_headers && [ -n "$file" -o -n "$version" ]; then
echo "The option -c is incompatible with -i and -u"
exit 1
fi
cd $(dirname $0)/..
current_version=$(cat $base_path/version)
if $check_headers; then
version=$current_version
check_all
else
update_all
fi
|
