2 # Copyright (c) 2001 Wichert Akkerman <wichert@cistron.nl>
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
8 # 1. Redistributions of source code must retain the above copyright
9 # notice, this list of conditions and the following disclaimer.
10 # 2. Redistributions in binary form must reproduce the above copyright
11 # notice, this list of conditions and the following disclaimer in the
12 # documentation and/or other materials provided with the distribution.
13 # 3. The name of the author may not be used to endorse or promote products
14 # derived from this software without specific prior written permission.
16 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 echo "usage: $0 include-directory [asm-subdirectory]" >&2
48 # Build the list of all ioctls
49 regexp='[[:space:]]*#[[:space:]]*define[[:space:]]\+\([A-Z][A-Z0-9_]*\)[[:space:]]\+\(0x'"$type"'..\)\>'
50 (cd "$dir" && for f; do grep "^$regexp" "$f" "uapi/$f" 2>/dev/null; done) |
51 sed -n -e "s,$asm/,asm/,g" \
52 -e 's/^\([^:]*\):'"$regexp"'.*/ { "\1", "\2", \3 },/p' \
58 lookup_ioctls 03 linux/hdreg.h
59 lookup_ioctls 22 scsi/sg.h
60 lookup_ioctls 46 linux/fb.h
61 lookup_ioctls 4B linux/kd.h
62 lookup_ioctls 4C linux/loop.h
63 lookup_ioctls 53 linux/cdrom.h scsi/scsi.h scsi/scsi_ioctl.h
64 lookup_ioctls 54 $asm/ioctls.h asm-generic/ioctls.h
65 lookup_ioctls 56 linux/vt.h
66 lookup_ioctls '7[12]' linux/videotext.h
67 lookup_ioctls 89 $asm/sockios.h asm-generic/sockios.h linux/sockios.h
68 lookup_ioctls 8B linux/wireless.h
70 if [ -e $dir/Kbuild ]; then
71 # kernel has exported user space headers, so query only them
74 find . -mindepth 2 -name Kbuild | \
75 sed -e 's:^\./::' -e 's:/Kbuild:/*:' | \
77 echo "$asm/* asm-generic/*"
79 # special case: some headers aren't exported directly
80 files="${files} media/* net/bluetooth/* pcmcia/*"
82 # older kernel tree or headers_install'ed tree, just assume some headers
83 files="linux/* $asm/* asm-generic/* drm/* mtd/* rdma/* scsi/* sound/* video/* xen/*"
86 # Build the list of all ioctls
88 # { "asm/ioctls.h", "TIOCSWINSZ", 0x5414 },
89 # { "asm/mce.h", "MCE_GETCLEAR_FLAGS", _IOC(_IOC_NONE,'M',3,0) },
90 regexp='[[:space:]]*#[[:space:]]*define[[:space:]]\+\([A-Z][A-Z0-9_]*\)[[:space:]]\+_S\?\(IO\|IOW\|IOR\|IOWR\)[[:space:]]*(\([^,()]*\)[[:space:]]*,[[:space:]]*\([^,()]*\)[[:space:]]*[,)]'
91 (cd $dir && grep "^$regexp" $files 2>/dev/null) | \
92 sed -n -e "s,$asm/,asm/,g" \
93 -e 's/^\([^:]*\):'"$regexp"'.*/ { "\1", "\2", _IOC(_IOC_NONE,\4,\5,0) },/p' \
97 sed -i 's|"uapi/|"|' ioctls.h
100 sort -u -o ioctls.h ioctls.h
104 # Collect potential ioctl names. ('bases' is a bad name. Sigh)
105 # Some use a special base to offset their ioctls on. Extract that as well.
106 # Some use 2 defines: _IOC(_IOC_NONE,DM_IOCTL,DM_LIST_DEVICES_CMD,....)
108 -e 's/.*_IOC_NONE.*,[[:space:]]*\([A-Z][A-Za-z0-9_]\+\)[[:space:]]*,[[:space:]]*\([A-Z][A-Za-z0-9_]\+\)[[:space:]+,].*/\1\n\2/p' \
109 -e 's/.*_IOC_NONE.*,[[:space:]]*\([A-Z][A-Za-z0-9_]\+\)[[:space:]+,].*/\1/p' \
112 for base in $bases; do
113 echo "Looking for $base"
114 regexp="^[[:space:]]*#[[:space:]]*define[[:space:]]\+$base"
115 line=$( (cd $dir && grep -h $regexp 2>/dev/null $files) | grep -v '\<_IO')
116 if [ x"$line" != x ]; then
117 echo "$base is a #define" # "($line)"
118 echo "$line" >> ioctldefs.h
121 if ! grep "\<$base\>" ioctldefs.h >/dev/null 2>/dev/null; then
122 # Not all ioctl's are defines ... some (like the DM_* stuff)
123 # are enums, so we have to extract that crap ourself
126 # -P: inhibit generation of linemarkers
127 ${CPP:-cpp} -P $(grep -l $base $files 2>/dev/null) | sed '/^$/d' | \
128 awk -v base="$base" '{
131 while ($NF != "};") {
138 print "#define " base " (" val ")"
146 if ! grep "\<$base\>" ioctldefs.h >/dev/null 2>/dev/null; then
147 echo "Can't find the definition for $base"
149 echo "$base is an enum"
154 # Sort and drop dups?
155 # sort -u <ioctldefs.h >ioctldefs1.h && mv ioctldefs1.h ioctldefs.h