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Commit | Line | Data |
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87fdd476 JK |
1 | #!/bin/sh -e |
2 | # | |
3 | # Update Linux kernel headers QEMU requires from a specified kernel tree. | |
4 | # | |
5 | # Copyright (C) 2011 Siemens AG | |
6 | # | |
7 | # Authors: | |
8 | # Jan Kiszka <jan.kiszka@siemens.com> | |
9 | # | |
10 | # This work is licensed under the terms of the GNU GPL version 2. | |
11 | # See the COPYING file in the top-level directory. | |
12 | ||
bbd90802 | 13 | tmpdir=$(mktemp -d) |
87fdd476 JK |
14 | linux="$1" |
15 | output="$2" | |
16 | ||
17 | if [ -z "$linux" ] || ! [ -d "$linux" ]; then | |
18 | cat << EOF | |
19 | usage: update-kernel-headers.sh LINUX_PATH [OUTPUT_PATH] | |
20 | ||
21 | LINUX_PATH Linux kernel directory to obtain the headers from | |
22 | OUTPUT_PATH output directory, usually the qemu source tree (default: $PWD) | |
23 | EOF | |
24 | exit 1 | |
25 | fi | |
26 | ||
27 | if [ -z "$output" ]; then | |
28 | output="$PWD" | |
29 | fi | |
30 | ||
eddb4de3 PB |
31 | cp_portable() { |
32 | f=$1 | |
1ff0b555 | 33 | to=$2 |
eddb4de3 PB |
34 | if |
35 | grep '#include' "$f" | grep -v -e 'linux/virtio' \ | |
36 | -e 'linux/types' \ | |
4d010861 | 37 | -e 'linux/ioctl' \ |
eddb4de3 PB |
38 | -e 'stdint' \ |
39 | -e 'linux/if_ether' \ | |
fff02bc0 | 40 | -e 'input-event-codes' \ |
eddb4de3 | 41 | -e 'sys/' \ |
e1c5f1f0 | 42 | -e 'pvrdma_verbs' \ |
8e8ee850 | 43 | -e 'drm.h' \ |
d3b7b374 | 44 | -e 'limits' \ |
ab5ec23f | 45 | -e 'linux/const' \ |
d3b7b374 JB |
46 | -e 'linux/kernel' \ |
47 | -e 'linux/sysinfo' \ | |
ec7b1080 | 48 | -e 'asm-generic/kvm_para' \ |
eddb4de3 PB |
49 | > /dev/null |
50 | then | |
51 | echo "Unexpected #include in input file $f". | |
52 | exit 2 | |
1ff0b555 | 53 | fi |
eddb4de3 PB |
54 | |
55 | header=$(basename "$f"); | |
c5022c31 PM |
56 | sed -e 's/__aligned_u64/__u64 __attribute__((aligned(8)))/g' \ |
57 | -e 's/__u\([0-9][0-9]*\)/uint\1_t/g' \ | |
e1c5f1f0 | 58 | -e 's/u\([0-9][0-9]*\)/uint\1_t/g' \ |
eddb4de3 PB |
59 | -e 's/__s\([0-9][0-9]*\)/int\1_t/g' \ |
60 | -e 's/__le\([0-9][0-9]*\)/uint\1_t/g' \ | |
61 | -e 's/__be\([0-9][0-9]*\)/uint\1_t/g' \ | |
fff02bc0 | 62 | -e 's/"\(input-event-codes\.h\)"/"standard-headers\/linux\/\1"/' \ |
eddb4de3 | 63 | -e 's/<linux\/\([^>]*\)>/"standard-headers\/linux\/\1"/' \ |
ed219c40 | 64 | -e 's/__bitwise//' \ |
eddb4de3 PB |
65 | -e 's/__attribute__((packed))/QEMU_PACKED/' \ |
66 | -e 's/__inline__/inline/' \ | |
9f2d175d | 67 | -e 's/__BITS_PER_LONG/HOST_LONG_BITS/' \ |
8e8ee850 | 68 | -e '/\"drm.h\"/d' \ |
eddb4de3 | 69 | -e '/sys\/ioctl.h/d' \ |
4d010861 | 70 | -e '/linux\/ioctl.h/d' \ |
ac98fa84 | 71 | -e 's/SW_MAX/SW_MAX_/' \ |
e1c5f1f0 | 72 | -e 's/atomic_t/int/' \ |
d3b7b374 JB |
73 | -e 's/__kernel_long_t/long/' \ |
74 | -e 's/__kernel_ulong_t/unsigned long/' \ | |
75 | -e 's/struct ethhdr/struct eth_header/' \ | |
76 | -e '/\#define _LINUX_ETHTOOL_H/a \\n\#include "net/eth.h"' \ | |
eddb4de3 | 77 | "$f" > "$to/$header"; |
1ff0b555 MT |
78 | } |
79 | ||
2879636d PM |
80 | # This will pick up non-directories too (eg "Kconfig") but we will |
81 | # ignore them in the next loop. | |
82 | ARCHLIST=$(cd "$linux/arch" && echo *) | |
83 | ||
84 | for arch in $ARCHLIST; do | |
85 | # Discard anything which isn't a KVM-supporting architecture | |
b55f546e PM |
86 | if ! [ -e "$linux/arch/$arch/include/asm/kvm.h" ] && |
87 | ! [ -e "$linux/arch/$arch/include/uapi/asm/kvm.h" ] ; then | |
2879636d PM |
88 | continue |
89 | fi | |
90 | ||
f717e624 PB |
91 | if [ "$arch" = x86 ]; then |
92 | arch_var=SRCARCH | |
93 | else | |
94 | arch_var=ARCH | |
95 | fi | |
96 | ||
97 | make -C "$linux" INSTALL_HDR_PATH="$tmpdir" $arch_var=$arch headers_install | |
87fdd476 JK |
98 | |
99 | rm -rf "$output/linux-headers/asm-$arch" | |
100 | mkdir -p "$output/linux-headers/asm-$arch" | |
0289881f | 101 | for header in kvm.h unistd.h bitsperlong.h mman.h; do |
87fdd476 JK |
102 | cp "$tmpdir/include/asm/$header" "$output/linux-headers/asm-$arch" |
103 | done | |
9882d3ef MT |
104 | |
105 | if [ $arch = mips ]; then | |
106 | cp "$tmpdir/include/asm/sgidefs.h" "$output/linux-headers/asm-mips/" | |
a0a6ef91 PB |
107 | cp "$tmpdir/include/asm/unistd_o32.h" "$output/linux-headers/asm-mips/" |
108 | cp "$tmpdir/include/asm/unistd_n32.h" "$output/linux-headers/asm-mips/" | |
109 | cp "$tmpdir/include/asm/unistd_n64.h" "$output/linux-headers/asm-mips/" | |
110 | fi | |
111 | if [ $arch = powerpc ]; then | |
112 | cp "$tmpdir/include/asm/unistd_32.h" "$output/linux-headers/asm-powerpc/" | |
113 | cp "$tmpdir/include/asm/unistd_64.h" "$output/linux-headers/asm-powerpc/" | |
9882d3ef MT |
114 | fi |
115 | ||
eddb4de3 PB |
116 | rm -rf "$output/include/standard-headers/asm-$arch" |
117 | mkdir -p "$output/include/standard-headers/asm-$arch" | |
118 | if [ $arch = s390 ]; then | |
eddb4de3 | 119 | cp_portable "$tmpdir/include/asm/virtio-ccw.h" "$output/include/standard-headers/asm-s390/" |
9f2d175d PB |
120 | cp "$tmpdir/include/asm/unistd_32.h" "$output/linux-headers/asm-s390/" |
121 | cp "$tmpdir/include/asm/unistd_64.h" "$output/linux-headers/asm-s390/" | |
eddb4de3 | 122 | fi |
f717e624 PB |
123 | if [ $arch = arm ]; then |
124 | cp "$tmpdir/include/asm/unistd-eabi.h" "$output/linux-headers/asm-arm/" | |
125 | cp "$tmpdir/include/asm/unistd-oabi.h" "$output/linux-headers/asm-arm/" | |
126 | cp "$tmpdir/include/asm/unistd-common.h" "$output/linux-headers/asm-arm/" | |
127 | fi | |
b1b9e0dc CH |
128 | if [ $arch = arm64 ]; then |
129 | cp "$tmpdir/include/asm/sve_context.h" "$output/linux-headers/asm-arm64/" | |
130 | fi | |
73aa529a | 131 | if [ $arch = x86 ]; then |
1842bdfd MAL |
132 | cp "$tmpdir/include/asm/unistd_32.h" "$output/linux-headers/asm-x86/" |
133 | cp "$tmpdir/include/asm/unistd_x32.h" "$output/linux-headers/asm-x86/" | |
134 | cp "$tmpdir/include/asm/unistd_64.h" "$output/linux-headers/asm-x86/" | |
ec7b1080 | 135 | cp_portable "$tmpdir/include/asm/kvm_para.h" "$output/include/standard-headers/asm-$arch" |
06e0259a LZ |
136 | # Remove everything except the macros from bootparam.h avoiding the |
137 | # unnecessary import of several video/ist/etc headers | |
138 | sed -e '/__ASSEMBLY__/,/__ASSEMBLY__/d' \ | |
139 | "$tmpdir/include/asm/bootparam.h" > "$tmpdir/bootparam.h" | |
140 | cp_portable "$tmpdir/bootparam.h" \ | |
141 | "$output/include/standard-headers/asm-$arch" | |
73aa529a | 142 | fi |
87fdd476 JK |
143 | done |
144 | ||
145 | rm -rf "$output/linux-headers/linux" | |
146 | mkdir -p "$output/linux-headers/linux" | |
84567ea7 | 147 | for header in kvm.h vfio.h vfio_ccw.h vfio_zdev.h vhost.h \ |
0289881f | 148 | psci.h psp-sev.h userfaultfd.h mman.h; do |
87fdd476 JK |
149 | cp "$tmpdir/include/linux/$header" "$output/linux-headers/linux" |
150 | done | |
ec7b1080 | 151 | |
9882d3ef MT |
152 | rm -rf "$output/linux-headers/asm-generic" |
153 | mkdir -p "$output/linux-headers/asm-generic" | |
0289881f | 154 | for header in unistd.h bitsperlong.h mman-common.h mman.h hugetlb_encode.h; do |
9882d3ef MT |
155 | cp "$tmpdir/include/asm-generic/$header" "$output/linux-headers/asm-generic" |
156 | done | |
157 | ||
87fdd476 JK |
158 | if [ -L "$linux/source" ]; then |
159 | cp "$linux/source/COPYING" "$output/linux-headers" | |
160 | else | |
161 | cp "$linux/COPYING" "$output/linux-headers" | |
162 | fi | |
163 | ||
f5bba4ca PM |
164 | # Recent kernel sources split the copyright/license info into multiple |
165 | # files, which we need to copy. This set of licenses is the set that | |
166 | # are referred to by SPDX lines in the headers we currently copy. | |
167 | # We don't copy the Documentation/process/license-rules.rst which | |
168 | # is also referred to by COPYING, since it's explanatory rather than license. | |
169 | if [ -d "$linux/LICENSES" ]; then | |
170 | mkdir -p "$output/linux-headers/LICENSES/preferred" \ | |
171 | "$output/linux-headers/LICENSES/exceptions" | |
172 | for l in preferred/GPL-2.0 preferred/BSD-2-Clause preferred/BSD-3-Clause \ | |
173 | exceptions/Linux-syscall-note; do | |
174 | cp "$linux/LICENSES/$l" "$output/linux-headers/LICENSES/$l" | |
175 | done | |
176 | fi | |
177 | ||
05e492b0 MT |
178 | cat <<EOF >$output/linux-headers/linux/virtio_config.h |
179 | #include "standard-headers/linux/virtio_config.h" | |
180 | EOF | |
181 | cat <<EOF >$output/linux-headers/linux/virtio_ring.h | |
182 | #include "standard-headers/linux/virtio_ring.h" | |
183 | EOF | |
a0a6ef91 PB |
184 | cat <<EOF >$output/linux-headers/linux/vhost_types.h |
185 | #include "standard-headers/linux/vhost_types.h" | |
186 | EOF | |
1ff0b555 | 187 | |
eddb4de3 PB |
188 | rm -rf "$output/include/standard-headers/linux" |
189 | mkdir -p "$output/include/standard-headers/linux" | |
039d7c4d MAL |
190 | for i in "$tmpdir"/include/linux/*virtio*.h \ |
191 | "$tmpdir/include/linux/qemu_fw_cfg.h" \ | |
a62a9e19 | 192 | "$tmpdir/include/linux/fuse.h" \ |
039d7c4d | 193 | "$tmpdir/include/linux/input.h" \ |
fff02bc0 | 194 | "$tmpdir/include/linux/input-event-codes.h" \ |
4d010861 | 195 | "$tmpdir/include/linux/udmabuf.h" \ |
d3b7b374 | 196 | "$tmpdir/include/linux/pci_regs.h" \ |
ab5ec23f EF |
197 | "$tmpdir/include/linux/ethtool.h" \ |
198 | "$tmpdir/include/linux/const.h" \ | |
199 | "$tmpdir/include/linux/kernel.h" \ | |
a0a6ef91 | 200 | "$tmpdir/include/linux/vhost_types.h" \ |
d3b7b374 | 201 | "$tmpdir/include/linux/sysinfo.h"; do |
eddb4de3 PB |
202 | cp_portable "$i" "$output/include/standard-headers/linux" |
203 | done | |
8e8ee850 GH |
204 | mkdir -p "$output/include/standard-headers/drm" |
205 | cp_portable "$tmpdir/include/drm/drm_fourcc.h" \ | |
206 | "$output/include/standard-headers/drm" | |
1ff0b555 | 207 | |
e1c5f1f0 MA |
208 | rm -rf "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma" |
209 | mkdir -p "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma" | |
210 | ||
211 | # Remove the unused functions from pvrdma_verbs.h avoiding the unnecessary | |
212 | # import of several infiniband/networking/other headers | |
213 | tmp_pvrdma_verbs="$tmpdir/pvrdma_verbs.h" | |
214 | # Parse the entire file instead of single lines to match | |
215 | # function declarations expanding over multiple lines | |
216 | # and strip the declarations starting with pvrdma prefix. | |
217 | sed -e '1h;2,$H;$!d;g' -e 's/[^};]*pvrdma[^(| ]*([^)]*);//g' \ | |
218 | "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h" > \ | |
219 | "$tmp_pvrdma_verbs"; | |
220 | ||
3aa1b7af | 221 | for i in "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h" \ |
e1c5f1f0 MA |
222 | "$tmp_pvrdma_verbs"; do \ |
223 | cp_portable "$i" \ | |
224 | "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma/" | |
225 | done | |
226 | ||
227 | rm -rf "$output/include/standard-headers/rdma/" | |
228 | mkdir -p "$output/include/standard-headers/rdma/" | |
229 | for i in "$tmpdir/include/rdma/vmw_pvrdma-abi.h"; do | |
230 | cp_portable "$i" \ | |
231 | "$output/include/standard-headers/rdma/" | |
232 | done | |
233 | ||
1ff0b555 | 234 | cat <<EOF >$output/include/standard-headers/linux/types.h |
8bc92a76 PM |
235 | /* For QEMU all types are already defined via osdep.h, so this |
236 | * header does not need to do anything. | |
237 | */ | |
1ff0b555 MT |
238 | EOF |
239 | cat <<EOF >$output/include/standard-headers/linux/if_ether.h | |
240 | #define ETH_ALEN 6 | |
241 | EOF | |
242 | ||
87fdd476 | 243 | rm -rf "$tmpdir" |