3 # Update Linux kernel headers QEMU requires from a specified kernel tree.
5 # Copyright (C) 2011 Siemens AG
8 # Jan Kiszka <jan.kiszka@siemens.com>
10 # This work is licensed under the terms of the GNU GPL version 2.
11 # See the COPYING file in the top-level directory.
17 if [ -z "$linux" ] ||
! [ -d "$linux" ]; then
19 usage: update-kernel-headers.sh LINUX_PATH [OUTPUT_PATH]
21 LINUX_PATH Linux kernel directory to obtain the headers from
22 OUTPUT_PATH output directory, usually the qemu source tree (default: $PWD)
27 if [ -z "$output" ]; then
35 grep '#include' "$f" |
grep -v -e 'linux/virtio' \
39 -e 'input-event-codes' \
48 echo "Unexpected #include in input file $f".
52 header
=$
(basename "$f");
53 sed -e 's/__u\([0-9][0-9]*\)/uint\1_t/g' \
54 -e 's/u\([0-9][0-9]*\)/uint\1_t/g' \
55 -e 's/__s\([0-9][0-9]*\)/int\1_t/g' \
56 -e 's/__le\([0-9][0-9]*\)/uint\1_t/g' \
57 -e 's/__be\([0-9][0-9]*\)/uint\1_t/g' \
58 -e 's/"\(input-event-codes\.h\)"/"standard-headers\/linux\/\1"/' \
59 -e 's/<linux\/\([^>]*\)>/"standard-headers\/linux\/\1"/' \
61 -e 's/__attribute__((packed))/QEMU_PACKED/' \
62 -e 's/__inline__/inline/' \
63 -e 's/__BITS_PER_LONG/HOST_LONG_BITS/' \
65 -e '/sys\/ioctl.h/d' \
66 -e 's/SW_MAX/SW_MAX_/' \
67 -e 's/atomic_t/int/' \
68 -e 's/__kernel_long_t/long/' \
69 -e 's/__kernel_ulong_t/unsigned long/' \
70 -e 's/struct ethhdr/struct eth_header/' \
71 -e '/\#define _LINUX_ETHTOOL_H/a \\n\#include "net/eth.h"' \
75 # This will pick up non-directories too (eg "Kconfig") but we will
76 # ignore them in the next loop.
77 ARCHLIST
=$
(cd "$linux/arch" && echo *)
79 for arch
in $ARCHLIST; do
80 # Discard anything which isn't a KVM-supporting architecture
81 if ! [ -e "$linux/arch/$arch/include/asm/kvm.h" ] &&
82 ! [ -e "$linux/arch/$arch/include/uapi/asm/kvm.h" ] ; then
86 # Blacklist architectures which have KVM headers but are actually dead
87 if [ "$arch" = "ia64" -o "$arch" = "mips" ]; then
91 if [ "$arch" = x86
]; then
97 make -C "$linux" INSTALL_HDR_PATH
="$tmpdir" $arch_var=$arch headers_install
99 rm -rf "$output/linux-headers/asm-$arch"
100 mkdir
-p "$output/linux-headers/asm-$arch"
101 for header
in kvm.h kvm_para.h unistd.h
; do
102 cp "$tmpdir/include/asm/$header" "$output/linux-headers/asm-$arch"
104 if [ $arch = powerpc
]; then
105 cp "$tmpdir/include/asm/epapr_hcalls.h" "$output/linux-headers/asm-powerpc/"
108 rm -rf "$output/include/standard-headers/asm-$arch"
109 mkdir
-p "$output/include/standard-headers/asm-$arch"
110 if [ $arch = s390
]; then
111 cp_portable
"$tmpdir/include/asm/virtio-ccw.h" "$output/include/standard-headers/asm-s390/"
112 cp "$tmpdir/include/asm/unistd_32.h" "$output/linux-headers/asm-s390/"
113 cp "$tmpdir/include/asm/unistd_64.h" "$output/linux-headers/asm-s390/"
115 if [ $arch = arm
]; then
116 cp "$tmpdir/include/asm/unistd-eabi.h" "$output/linux-headers/asm-arm/"
117 cp "$tmpdir/include/asm/unistd-oabi.h" "$output/linux-headers/asm-arm/"
118 cp "$tmpdir/include/asm/unistd-common.h" "$output/linux-headers/asm-arm/"
120 if [ $arch = x86
]; then
121 cp "$tmpdir/include/asm/unistd_32.h" "$output/linux-headers/asm-x86/"
122 cp "$tmpdir/include/asm/unistd_x32.h" "$output/linux-headers/asm-x86/"
123 cp "$tmpdir/include/asm/unistd_64.h" "$output/linux-headers/asm-x86/"
127 rm -rf "$output/linux-headers/linux"
128 mkdir
-p "$output/linux-headers/linux"
129 for header
in kvm.h kvm_para.h vfio.h vfio_ccw.h vhost.h \
130 psci.h psp-sev.h userfaultfd.h
; do
131 cp "$tmpdir/include/linux/$header" "$output/linux-headers/linux"
133 rm -rf "$output/linux-headers/asm-generic"
134 mkdir
-p "$output/linux-headers/asm-generic"
135 for header
in kvm_para.h
; do
136 cp "$tmpdir/include/asm-generic/$header" "$output/linux-headers/asm-generic"
138 if [ -L "$linux/source" ]; then
139 cp "$linux/source/COPYING" "$output/linux-headers"
141 cp "$linux/COPYING" "$output/linux-headers"
144 cat <<EOF >$output/linux-headers/linux/virtio_config.h
145 #include "standard-headers/linux/virtio_config.h"
147 cat <<EOF >$output/linux-headers/linux/virtio_ring.h
148 #include "standard-headers/linux/virtio_ring.h"
151 rm -rf "$output/include/standard-headers/linux"
152 mkdir
-p "$output/include/standard-headers/linux"
153 for i
in "$tmpdir"/include
/linux
/*virtio
*.h
"$tmpdir/include/linux/input.h" \
154 "$tmpdir/include/linux/input-event-codes.h" \
155 "$tmpdir/include/linux/pci_regs.h" \
156 "$tmpdir/include/linux/ethtool.h" "$tmpdir/include/linux/kernel.h" \
157 "$tmpdir/include/linux/sysinfo.h"; do
158 cp_portable
"$i" "$output/include/standard-headers/linux"
160 mkdir
-p "$output/include/standard-headers/drm"
161 cp_portable
"$tmpdir/include/drm/drm_fourcc.h" \
162 "$output/include/standard-headers/drm"
164 rm -rf "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma"
165 mkdir
-p "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma"
167 # Remove the unused functions from pvrdma_verbs.h avoiding the unnecessary
168 # import of several infiniband/networking/other headers
169 tmp_pvrdma_verbs
="$tmpdir/pvrdma_verbs.h"
170 # Parse the entire file instead of single lines to match
171 # function declarations expanding over multiple lines
172 # and strip the declarations starting with pvrdma prefix.
173 sed -e '1h;2,$H;$!d;g' -e 's/[^};]*pvrdma[^(| ]*([^)]*);//g' \
174 "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h" > \
177 for i
in "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_ring.h" \
178 "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h" \
179 "$tmp_pvrdma_verbs"; do \
181 "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma/"
184 rm -rf "$output/include/standard-headers/rdma/"
185 mkdir
-p "$output/include/standard-headers/rdma/"
186 for i
in "$tmpdir/include/rdma/vmw_pvrdma-abi.h"; do
188 "$output/include/standard-headers/rdma/"
191 cat <<EOF >$output/include/standard-headers/linux/types.h
192 /* For QEMU all types are already defined via osdep.h, so this
193 * header does not need to do anything.
196 cat <<EOF >$output/include/standard-headers/linux/if_ether.h