xref: /qemu/scripts/update-linux-headers.sh (revision 9882d3ef3c43fc89a0e1d43d7b52720092bef29b)
187fdd476SJan Kiszka#!/bin/sh -e
287fdd476SJan Kiszka#
387fdd476SJan Kiszka# Update Linux kernel headers QEMU requires from a specified kernel tree.
487fdd476SJan Kiszka#
587fdd476SJan Kiszka# Copyright (C) 2011 Siemens AG
687fdd476SJan Kiszka#
787fdd476SJan Kiszka# Authors:
887fdd476SJan Kiszka#  Jan Kiszka        <jan.kiszka@siemens.com>
987fdd476SJan Kiszka#
1087fdd476SJan Kiszka# This work is licensed under the terms of the GNU GPL version 2.
1187fdd476SJan Kiszka# See the COPYING file in the top-level directory.
1287fdd476SJan Kiszka
13bbd90802SStefan Weiltmpdir=$(mktemp -d)
1487fdd476SJan Kiszkalinux="$1"
1587fdd476SJan Kiszkaoutput="$2"
1687fdd476SJan Kiszka
1787fdd476SJan Kiszkaif [ -z "$linux" ] || ! [ -d "$linux" ]; then
1887fdd476SJan Kiszka    cat << EOF
1987fdd476SJan Kiszkausage: update-kernel-headers.sh LINUX_PATH [OUTPUT_PATH]
2087fdd476SJan Kiszka
2187fdd476SJan KiszkaLINUX_PATH      Linux kernel directory to obtain the headers from
2287fdd476SJan KiszkaOUTPUT_PATH     output directory, usually the qemu source tree (default: $PWD)
2387fdd476SJan KiszkaEOF
2487fdd476SJan Kiszka    exit 1
2587fdd476SJan Kiszkafi
2687fdd476SJan Kiszka
2787fdd476SJan Kiszkaif [ -z "$output" ]; then
2887fdd476SJan Kiszka    output="$PWD"
2987fdd476SJan Kiszkafi
3087fdd476SJan Kiszka
31eddb4de3SPaolo Bonzinicp_portable() {
32eddb4de3SPaolo Bonzini    f=$1
331ff0b555SMichael S. Tsirkin    to=$2
341ff0b555SMichael S. Tsirkin    if
351ff0b555SMichael S. Tsirkin        grep '#include' "$f" | grep -v -e 'linux/virtio' \
361ff0b555SMichael S. Tsirkin                                     -e 'linux/types' \
37120758fbSPaolo Bonzini                                     -e 'stdint' \
381ff0b555SMichael S. Tsirkin                                     -e 'linux/if_ether' \
39fff02bc0SPaolo Bonzini                                     -e 'input-event-codes' \
402fe7c318SGerd Hoffmann                                     -e 'sys/' \
41e1c5f1f0SMarcel Apfelbaum                                     -e 'pvrdma_verbs' \
428e8ee850SGerd Hoffmann                                     -e 'drm.h' \
43d3b7b374SJason Baron                                     -e 'limits' \
44d3b7b374SJason Baron                                     -e 'linux/kernel' \
45d3b7b374SJason Baron                                     -e 'linux/sysinfo' \
46ec7b1080SMichael S. Tsirkin                                     -e 'asm-generic/kvm_para' \
471ff0b555SMichael S. Tsirkin                                     > /dev/null
481ff0b555SMichael S. Tsirkin    then
491ff0b555SMichael S. Tsirkin        echo "Unexpected #include in input file $f".
501ff0b555SMichael S. Tsirkin        exit 2
511ff0b555SMichael S. Tsirkin    fi
521ff0b555SMichael S. Tsirkin
531ff0b555SMichael S. Tsirkin    header=$(basename "$f");
541ff0b555SMichael S. Tsirkin    sed -e 's/__u\([0-9][0-9]*\)/uint\1_t/g' \
55e1c5f1f0SMarcel Apfelbaum        -e 's/u\([0-9][0-9]*\)/uint\1_t/g' \
562fe7c318SGerd Hoffmann        -e 's/__s\([0-9][0-9]*\)/int\1_t/g' \
571ff0b555SMichael S. Tsirkin        -e 's/__le\([0-9][0-9]*\)/uint\1_t/g' \
581ff0b555SMichael S. Tsirkin        -e 's/__be\([0-9][0-9]*\)/uint\1_t/g' \
59fff02bc0SPaolo Bonzini        -e 's/"\(input-event-codes\.h\)"/"standard-headers\/linux\/\1"/' \
601ff0b555SMichael S. Tsirkin        -e 's/<linux\/\([^>]*\)>/"standard-headers\/linux\/\1"/' \
61ed219c40SMichael S. Tsirkin        -e 's/__bitwise//' \
621ff0b555SMichael S. Tsirkin        -e 's/__attribute__((packed))/QEMU_PACKED/' \
63c16758cbSMichael S. Tsirkin        -e 's/__inline__/inline/' \
649f2d175dSPaolo Bonzini        -e 's/__BITS_PER_LONG/HOST_LONG_BITS/' \
658e8ee850SGerd Hoffmann        -e '/\"drm.h\"/d' \
66e2f6bac3SGerd Hoffmann        -e '/sys\/ioctl.h/d' \
67ac98fa84SMarkus Armbruster        -e 's/SW_MAX/SW_MAX_/' \
68e1c5f1f0SMarcel Apfelbaum        -e 's/atomic_t/int/' \
69d3b7b374SJason Baron        -e 's/__kernel_long_t/long/' \
70d3b7b374SJason Baron        -e 's/__kernel_ulong_t/unsigned long/' \
71d3b7b374SJason Baron        -e 's/struct ethhdr/struct eth_header/' \
72d3b7b374SJason Baron        -e '/\#define _LINUX_ETHTOOL_H/a \\n\#include "net/eth.h"' \
731ff0b555SMichael S. Tsirkin        "$f" > "$to/$header";
741ff0b555SMichael S. Tsirkin}
751ff0b555SMichael S. Tsirkin
762879636dSPeter Maydell# This will pick up non-directories too (eg "Kconfig") but we will
772879636dSPeter Maydell# ignore them in the next loop.
782879636dSPeter MaydellARCHLIST=$(cd "$linux/arch" && echo *)
792879636dSPeter Maydell
802879636dSPeter Maydellfor arch in $ARCHLIST; do
812879636dSPeter Maydell    # Discard anything which isn't a KVM-supporting architecture
82b55f546eSPeter Maydell    if ! [ -e "$linux/arch/$arch/include/asm/kvm.h" ] &&
83b55f546eSPeter Maydell        ! [ -e "$linux/arch/$arch/include/uapi/asm/kvm.h" ] ; then
842879636dSPeter Maydell        continue
852879636dSPeter Maydell    fi
862879636dSPeter Maydell
87f717e624SPaolo Bonzini    if [ "$arch" = x86 ]; then
88f717e624SPaolo Bonzini        arch_var=SRCARCH
89f717e624SPaolo Bonzini    else
90f717e624SPaolo Bonzini        arch_var=ARCH
91f717e624SPaolo Bonzini    fi
92f717e624SPaolo Bonzini
93f717e624SPaolo Bonzini    make -C "$linux" INSTALL_HDR_PATH="$tmpdir" $arch_var=$arch headers_install
9487fdd476SJan Kiszka
9587fdd476SJan Kiszka    rm -rf "$output/linux-headers/asm-$arch"
9687fdd476SJan Kiszka    mkdir -p "$output/linux-headers/asm-$arch"
97*9882d3efSMichael S. Tsirkin    for header in kvm.h unistd.h bitsperlong.h; do
9887fdd476SJan Kiszka        cp "$tmpdir/include/asm/$header" "$output/linux-headers/asm-$arch"
9987fdd476SJan Kiszka    done
100*9882d3efSMichael S. Tsirkin
101*9882d3efSMichael S. Tsirkin    if [ $arch = mips ]; then
102*9882d3efSMichael S. Tsirkin        cp "$tmpdir/include/asm/sgidefs.h" "$output/linux-headers/asm-mips/"
103*9882d3efSMichael S. Tsirkin    fi
104*9882d3efSMichael S. Tsirkin
105eddb4de3SPaolo Bonzini    rm -rf "$output/include/standard-headers/asm-$arch"
106eddb4de3SPaolo Bonzini    mkdir -p "$output/include/standard-headers/asm-$arch"
107eddb4de3SPaolo Bonzini    if [ $arch = s390 ]; then
108eddb4de3SPaolo Bonzini        cp_portable "$tmpdir/include/asm/virtio-ccw.h" "$output/include/standard-headers/asm-s390/"
1099f2d175dSPaolo Bonzini        cp "$tmpdir/include/asm/unistd_32.h" "$output/linux-headers/asm-s390/"
1109f2d175dSPaolo Bonzini        cp "$tmpdir/include/asm/unistd_64.h" "$output/linux-headers/asm-s390/"
111eddb4de3SPaolo Bonzini    fi
112f717e624SPaolo Bonzini    if [ $arch = arm ]; then
113f717e624SPaolo Bonzini        cp "$tmpdir/include/asm/unistd-eabi.h" "$output/linux-headers/asm-arm/"
114f717e624SPaolo Bonzini        cp "$tmpdir/include/asm/unistd-oabi.h" "$output/linux-headers/asm-arm/"
115f717e624SPaolo Bonzini        cp "$tmpdir/include/asm/unistd-common.h" "$output/linux-headers/asm-arm/"
116f717e624SPaolo Bonzini    fi
11773aa529aSPaolo Bonzini    if [ $arch = x86 ]; then
1181842bdfdSMarc-André Lureau        cp "$tmpdir/include/asm/unistd_32.h" "$output/linux-headers/asm-x86/"
1191842bdfdSMarc-André Lureau        cp "$tmpdir/include/asm/unistd_x32.h" "$output/linux-headers/asm-x86/"
1201842bdfdSMarc-André Lureau        cp "$tmpdir/include/asm/unistd_64.h" "$output/linux-headers/asm-x86/"
121ec7b1080SMichael S. Tsirkin        cp_portable "$tmpdir/include/asm/kvm_para.h" "$output/include/standard-headers/asm-$arch"
12273aa529aSPaolo Bonzini    fi
12387fdd476SJan Kiszkadone
12487fdd476SJan Kiszka
12587fdd476SJan Kiszkarm -rf "$output/linux-headers/linux"
12687fdd476SJan Kiszkamkdir -p "$output/linux-headers/linux"
127ec7b1080SMichael S. Tsirkinfor header in kvm.h vfio.h vfio_ccw.h vhost.h \
1289d8ad114SBrijesh Singh              psci.h psp-sev.h userfaultfd.h; do
12987fdd476SJan Kiszka    cp "$tmpdir/include/linux/$header" "$output/linux-headers/linux"
13087fdd476SJan Kiszkadone
131ec7b1080SMichael S. Tsirkin
132*9882d3efSMichael S. Tsirkinrm -rf "$output/linux-headers/asm-generic"
133*9882d3efSMichael S. Tsirkinmkdir -p "$output/linux-headers/asm-generic"
134*9882d3efSMichael S. Tsirkinfor header in unistd.h bitsperlong.h; do
135*9882d3efSMichael S. Tsirkin    cp "$tmpdir/include/asm-generic/$header" "$output/linux-headers/asm-generic"
136*9882d3efSMichael S. Tsirkindone
137*9882d3efSMichael S. Tsirkin
13887fdd476SJan Kiszkaif [ -L "$linux/source" ]; then
13987fdd476SJan Kiszka    cp "$linux/source/COPYING" "$output/linux-headers"
14087fdd476SJan Kiszkaelse
14187fdd476SJan Kiszka    cp "$linux/COPYING" "$output/linux-headers"
14287fdd476SJan Kiszkafi
14387fdd476SJan Kiszka
14405e492b0SMichael S. Tsirkincat <<EOF >$output/linux-headers/linux/virtio_config.h
14505e492b0SMichael S. Tsirkin#include "standard-headers/linux/virtio_config.h"
14605e492b0SMichael S. TsirkinEOF
14705e492b0SMichael S. Tsirkincat <<EOF >$output/linux-headers/linux/virtio_ring.h
14805e492b0SMichael S. Tsirkin#include "standard-headers/linux/virtio_ring.h"
14905e492b0SMichael S. TsirkinEOF
1501ff0b555SMichael S. Tsirkin
151eddb4de3SPaolo Bonzinirm -rf "$output/include/standard-headers/linux"
152eddb4de3SPaolo Bonzinimkdir -p "$output/include/standard-headers/linux"
153eddb4de3SPaolo Bonzinifor i in "$tmpdir"/include/linux/*virtio*.h "$tmpdir/include/linux/input.h" \
154fff02bc0SPaolo Bonzini         "$tmpdir/include/linux/input-event-codes.h" \
155d3b7b374SJason Baron         "$tmpdir/include/linux/pci_regs.h" \
156d3b7b374SJason Baron         "$tmpdir/include/linux/ethtool.h" "$tmpdir/include/linux/kernel.h" \
157d3b7b374SJason Baron         "$tmpdir/include/linux/sysinfo.h"; do
158eddb4de3SPaolo Bonzini    cp_portable "$i" "$output/include/standard-headers/linux"
159eddb4de3SPaolo Bonzinidone
1608e8ee850SGerd Hoffmannmkdir -p "$output/include/standard-headers/drm"
1618e8ee850SGerd Hoffmanncp_portable "$tmpdir/include/drm/drm_fourcc.h" \
1628e8ee850SGerd Hoffmann            "$output/include/standard-headers/drm"
1631ff0b555SMichael S. Tsirkin
164e1c5f1f0SMarcel Apfelbaumrm -rf "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma"
165e1c5f1f0SMarcel Apfelbaummkdir -p "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma"
166e1c5f1f0SMarcel Apfelbaum
167e1c5f1f0SMarcel Apfelbaum# Remove the unused functions from pvrdma_verbs.h avoiding the unnecessary
168e1c5f1f0SMarcel Apfelbaum# import of several infiniband/networking/other headers
169e1c5f1f0SMarcel Apfelbaumtmp_pvrdma_verbs="$tmpdir/pvrdma_verbs.h"
170e1c5f1f0SMarcel Apfelbaum# Parse the entire file instead of single lines to match
171e1c5f1f0SMarcel Apfelbaum# function declarations expanding over multiple lines
172e1c5f1f0SMarcel Apfelbaum# and strip the declarations starting with pvrdma prefix.
173e1c5f1f0SMarcel Apfelbaumsed  -e '1h;2,$H;$!d;g'  -e 's/[^};]*pvrdma[^(| ]*([^)]*);//g' \
174e1c5f1f0SMarcel Apfelbaum    "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h" > \
175e1c5f1f0SMarcel Apfelbaum    "$tmp_pvrdma_verbs";
176e1c5f1f0SMarcel Apfelbaum
177e1c5f1f0SMarcel Apfelbaumfor i in "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_ring.h" \
178e1c5f1f0SMarcel Apfelbaum         "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h" \
179e1c5f1f0SMarcel Apfelbaum         "$tmp_pvrdma_verbs"; do \
180e1c5f1f0SMarcel Apfelbaum    cp_portable "$i" \
181e1c5f1f0SMarcel Apfelbaum         "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma/"
182e1c5f1f0SMarcel Apfelbaumdone
183e1c5f1f0SMarcel Apfelbaum
184e1c5f1f0SMarcel Apfelbaumrm -rf "$output/include/standard-headers/rdma/"
185e1c5f1f0SMarcel Apfelbaummkdir -p "$output/include/standard-headers/rdma/"
186e1c5f1f0SMarcel Apfelbaumfor i in "$tmpdir/include/rdma/vmw_pvrdma-abi.h"; do
187e1c5f1f0SMarcel Apfelbaum    cp_portable "$i" \
188e1c5f1f0SMarcel Apfelbaum         "$output/include/standard-headers/rdma/"
189e1c5f1f0SMarcel Apfelbaumdone
190e1c5f1f0SMarcel Apfelbaum
1911ff0b555SMichael S. Tsirkincat <<EOF >$output/include/standard-headers/linux/types.h
1928bc92a76SPeter Maydell/* For QEMU all types are already defined via osdep.h, so this
1938bc92a76SPeter Maydell * header does not need to do anything.
1948bc92a76SPeter Maydell */
1951ff0b555SMichael S. TsirkinEOF
1961ff0b555SMichael S. Tsirkincat <<EOF >$output/include/standard-headers/linux/if_ether.h
1971ff0b555SMichael S. Tsirkin#define ETH_ALEN    6
1981ff0b555SMichael S. TsirkinEOF
1991ff0b555SMichael S. Tsirkin
20087fdd476SJan Kiszkarm -rf "$tmpdir"
201