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' \
44 echo "Unexpected #include in input file $f".
48 header
=$
(basename "$f");
49 sed -e 's/__u\([0-9][0-9]*\)/uint\1_t/g' \
50 -e 's/u\([0-9][0-9]*\)/uint\1_t/g' \
51 -e 's/__s\([0-9][0-9]*\)/int\1_t/g' \
52 -e 's/__le\([0-9][0-9]*\)/uint\1_t/g' \
53 -e 's/__be\([0-9][0-9]*\)/uint\1_t/g' \
54 -e 's/"\(input-event-codes\.h\)"/"standard-headers\/linux\/\1"/' \
55 -e 's/<linux\/\([^>]*\)>/"standard-headers\/linux\/\1"/' \
57 -e 's/__attribute__((packed))/QEMU_PACKED/' \
58 -e 's/__inline__/inline/' \
59 -e '/sys\/ioctl.h/d' \
60 -e 's/SW_MAX/SW_MAX_/' \
61 -e 's/atomic_t/int/' \
65 # This will pick up non-directories too (eg "Kconfig") but we will
66 # ignore them in the next loop.
67 ARCHLIST
=$
(cd "$linux/arch" && echo *)
69 for arch
in $ARCHLIST; do
70 # Discard anything which isn't a KVM-supporting architecture
71 if ! [ -e "$linux/arch/$arch/include/asm/kvm.h" ] &&
72 ! [ -e "$linux/arch/$arch/include/uapi/asm/kvm.h" ] ; then
76 # Blacklist architectures which have KVM headers but are actually dead
77 if [ "$arch" = "ia64" -o "$arch" = "mips" ]; then
81 if [ "$arch" = x86
]; then
87 make -C "$linux" INSTALL_HDR_PATH
="$tmpdir" $arch_var=$arch headers_install
89 rm -rf "$output/linux-headers/asm-$arch"
90 mkdir
-p "$output/linux-headers/asm-$arch"
91 for header
in kvm.h kvm_para.h unistd.h
; do
92 cp "$tmpdir/include/asm/$header" "$output/linux-headers/asm-$arch"
94 if [ $arch = powerpc
]; then
95 cp "$tmpdir/include/asm/epapr_hcalls.h" "$output/linux-headers/asm-powerpc/"
98 rm -rf "$output/include/standard-headers/asm-$arch"
99 mkdir
-p "$output/include/standard-headers/asm-$arch"
100 if [ $arch = s390
]; then
101 cp_portable
"$tmpdir/include/asm/virtio-ccw.h" "$output/include/standard-headers/asm-s390/"
103 if [ $arch = arm
]; then
104 cp "$tmpdir/include/asm/unistd-eabi.h" "$output/linux-headers/asm-arm/"
105 cp "$tmpdir/include/asm/unistd-oabi.h" "$output/linux-headers/asm-arm/"
106 cp "$tmpdir/include/asm/unistd-common.h" "$output/linux-headers/asm-arm/"
108 if [ $arch = x86
]; then
109 cat <<-EOF >"$output/include/standard-headers/asm-x86/hyperv.h"
110 /* this is a temporary placeholder until kvm_para.h stops including it */
112 cp "$tmpdir/include/asm/unistd_32.h" "$output/linux-headers/asm-x86/"
113 cp "$tmpdir/include/asm/unistd_x32.h" "$output/linux-headers/asm-x86/"
114 cp "$tmpdir/include/asm/unistd_64.h" "$output/linux-headers/asm-x86/"
118 rm -rf "$output/linux-headers/linux"
119 mkdir
-p "$output/linux-headers/linux"
120 for header
in kvm.h kvm_para.h vfio.h vfio_ccw.h vhost.h \
121 psci.h userfaultfd.h
; do
122 cp "$tmpdir/include/linux/$header" "$output/linux-headers/linux"
124 rm -rf "$output/linux-headers/asm-generic"
125 mkdir
-p "$output/linux-headers/asm-generic"
126 for header
in kvm_para.h
; do
127 cp "$tmpdir/include/asm-generic/$header" "$output/linux-headers/asm-generic"
129 if [ -L "$linux/source" ]; then
130 cp "$linux/source/COPYING" "$output/linux-headers"
132 cp "$linux/COPYING" "$output/linux-headers"
135 cat <<EOF >$output/linux-headers/asm-x86/hyperv.h
136 #include "standard-headers/asm-x86/hyperv.h"
138 cat <<EOF >$output/linux-headers/linux/virtio_config.h
139 #include "standard-headers/linux/virtio_config.h"
141 cat <<EOF >$output/linux-headers/linux/virtio_ring.h
142 #include "standard-headers/linux/virtio_ring.h"
145 rm -rf "$output/include/standard-headers/linux"
146 mkdir
-p "$output/include/standard-headers/linux"
147 for i
in "$tmpdir"/include
/linux
/*virtio
*.h
"$tmpdir/include/linux/input.h" \
148 "$tmpdir/include/linux/input-event-codes.h" \
149 "$tmpdir/include/linux/pci_regs.h"; do
150 cp_portable
"$i" "$output/include/standard-headers/linux"
153 rm -rf "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma"
154 mkdir
-p "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma"
156 # Remove the unused functions from pvrdma_verbs.h avoiding the unnecessary
157 # import of several infiniband/networking/other headers
158 tmp_pvrdma_verbs
="$tmpdir/pvrdma_verbs.h"
159 # Parse the entire file instead of single lines to match
160 # function declarations expanding over multiple lines
161 # and strip the declarations starting with pvrdma prefix.
162 sed -e '1h;2,$H;$!d;g' -e 's/[^};]*pvrdma[^(| ]*([^)]*);//g' \
163 "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h" > \
166 for i
in "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_ring.h" \
167 "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h" \
168 "$tmp_pvrdma_verbs"; do \
170 "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma/"
173 rm -rf "$output/include/standard-headers/rdma/"
174 mkdir
-p "$output/include/standard-headers/rdma/"
175 for i
in "$tmpdir/include/rdma/vmw_pvrdma-abi.h"; do
177 "$output/include/standard-headers/rdma/"
180 cat <<EOF >$output/include/standard-headers/linux/types.h
181 /* For QEMU all types are already defined via osdep.h, so this
182 * header does not need to do anything.
185 cat <<EOF >$output/include/standard-headers/linux/if_ether.h