meson, configure: move Xen detection to meson

This is quite a complicated check.  I moved all the test programs to
a single file in scripts/, picking the right program with #if and a -D
flag in meson.build's cc.links() invocation.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2022-04-20 17:33:47 +02:00
parent 119fc611ea
commit 14efd8d3b5
3 changed files with 296 additions and 341 deletions

322
configure vendored
View File

@ -292,7 +292,6 @@ EXTRA_CXXFLAGS=""
EXTRA_OBJCFLAGS="" EXTRA_OBJCFLAGS=""
EXTRA_LDFLAGS="" EXTRA_LDFLAGS=""
xen_ctrl_version="$default_feature"
vhost_kernel="$default_feature" vhost_kernel="$default_feature"
vhost_net="$default_feature" vhost_net="$default_feature"
vhost_crypto="$default_feature" vhost_crypto="$default_feature"
@ -346,9 +345,6 @@ default_devices="true"
tcg="enabled" tcg="enabled"
cfi="false" cfi="false"
# 4. Detection partly done in configure
xen=${default_feature:+disabled}
# parse CC options second # parse CC options second
for opt do for opt do
optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
@ -867,10 +863,6 @@ for opt do
;; ;;
--enable-slirp=*) slirp="$optarg" --enable-slirp=*) slirp="$optarg"
;; ;;
--disable-xen) xen="disabled"
;;
--enable-xen) xen="enabled"
;;
--disable-tcg) tcg="disabled" --disable-tcg) tcg="disabled"
plugins="no" plugins="no"
;; ;;
@ -1698,312 +1690,6 @@ if ! has "$pkg_config_exe"; then
error_exit "pkg-config binary '$pkg_config_exe' not found" error_exit "pkg-config binary '$pkg_config_exe' not found"
fi fi
##########################################
# xen probe
if test "$xen" != "disabled" ; then
# Check whether Xen library path is specified via --extra-ldflags to avoid
# overriding this setting with pkg-config output. If not, try pkg-config
# to obtain all needed flags.
if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
$pkg_config --exists xencontrol ; then
xen_ctrl_version="$(printf '%d%02d%02d' \
$($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
xen=enabled
xen_pc="xencontrol xenstore xenforeignmemory xengnttab"
xen_pc="$xen_pc xenevtchn xendevicemodel"
if $pkg_config --exists xentoolcore; then
xen_pc="$xen_pc xentoolcore"
fi
xen_cflags="$($pkg_config --cflags $xen_pc)"
xen_libs="$($pkg_config --libs $xen_pc)"
else
xen_libs="-lxenstore -lxenctrl"
xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
# First we test whether Xen headers and libraries are available.
# If no, we are done and there is no Xen support.
# If yes, more tests are run to detect the Xen version.
# Xen (any)
cat > $TMPC <<EOF
#include <xenctrl.h>
int main(void) {
return 0;
}
EOF
if ! compile_prog "" "$xen_libs" ; then
# Xen not found
if test "$xen" = "enabled" ; then
feature_not_found "xen" "Install xen devel"
fi
xen=disabled
# Xen unstable
elif
cat > $TMPC <<EOF &&
#undef XC_WANT_COMPAT_DEVICEMODEL_API
#define __XEN_TOOLS__
#include <xendevicemodel.h>
#include <xenforeignmemory.h>
int main(void) {
xendevicemodel_handle *xd;
xenforeignmemory_handle *xfmem;
xd = xendevicemodel_open(0, 0);
xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
xfmem = xenforeignmemory_open(0, 0);
xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
return 0;
}
EOF
compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
then
xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
xen_ctrl_version=41100
xen=enabled
elif
cat > $TMPC <<EOF &&
#undef XC_WANT_COMPAT_MAP_FOREIGN_API
#include <xenforeignmemory.h>
#include <xentoolcore.h>
int main(void) {
xenforeignmemory_handle *xfmem;
xfmem = xenforeignmemory_open(0, 0);
xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
xentoolcore_restrict_all(0);
return 0;
}
EOF
compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
then
xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
xen_ctrl_version=41000
xen=enabled
elif
cat > $TMPC <<EOF &&
#undef XC_WANT_COMPAT_DEVICEMODEL_API
#define __XEN_TOOLS__
#include <xendevicemodel.h>
int main(void) {
xendevicemodel_handle *xd;
xd = xendevicemodel_open(0, 0);
xendevicemodel_close(xd);
return 0;
}
EOF
compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
then
xen_stable_libs="-lxendevicemodel $xen_stable_libs"
xen_ctrl_version=40900
xen=enabled
elif
cat > $TMPC <<EOF &&
/*
* If we have stable libs the we don't want the libxc compat
* layers, regardless of what CFLAGS we may have been given.
*
* Also, check if xengnttab_grant_copy_segment_t is defined and
* grant copy operation is implemented.
*/
#undef XC_WANT_COMPAT_EVTCHN_API
#undef XC_WANT_COMPAT_GNTTAB_API
#undef XC_WANT_COMPAT_MAP_FOREIGN_API
#include <xenctrl.h>
#include <xenstore.h>
#include <xenevtchn.h>
#include <xengnttab.h>
#include <xenforeignmemory.h>
#include <stdint.h>
#include <xen/hvm/hvm_info_table.h>
#if !defined(HVM_MAX_VCPUS)
# error HVM_MAX_VCPUS not defined
#endif
int main(void) {
xc_interface *xc = NULL;
xenforeignmemory_handle *xfmem;
xenevtchn_handle *xe;
xengnttab_handle *xg;
xengnttab_grant_copy_segment_t* seg = NULL;
xs_daemon_open();
xc = xc_interface_open(0, 0, 0);
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
xfmem = xenforeignmemory_open(0, 0);
xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
xe = xenevtchn_open(0, 0);
xenevtchn_fd(xe);
xg = xengnttab_open(0, 0);
xengnttab_grant_copy(xg, 0, seg);
return 0;
}
EOF
compile_prog "" "$xen_libs $xen_stable_libs"
then
xen_ctrl_version=40800
xen=enabled
elif
cat > $TMPC <<EOF &&
/*
* If we have stable libs the we don't want the libxc compat
* layers, regardless of what CFLAGS we may have been given.
*/
#undef XC_WANT_COMPAT_EVTCHN_API
#undef XC_WANT_COMPAT_GNTTAB_API
#undef XC_WANT_COMPAT_MAP_FOREIGN_API
#include <xenctrl.h>
#include <xenstore.h>
#include <xenevtchn.h>
#include <xengnttab.h>
#include <xenforeignmemory.h>
#include <stdint.h>
#include <xen/hvm/hvm_info_table.h>
#if !defined(HVM_MAX_VCPUS)
# error HVM_MAX_VCPUS not defined
#endif
int main(void) {
xc_interface *xc = NULL;
xenforeignmemory_handle *xfmem;
xenevtchn_handle *xe;
xengnttab_handle *xg;
xs_daemon_open();
xc = xc_interface_open(0, 0, 0);
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
xfmem = xenforeignmemory_open(0, 0);
xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
xe = xenevtchn_open(0, 0);
xenevtchn_fd(xe);
xg = xengnttab_open(0, 0);
xengnttab_map_grant_ref(xg, 0, 0, 0);
return 0;
}
EOF
compile_prog "" "$xen_libs $xen_stable_libs"
then
xen_ctrl_version=40701
xen=enabled
# Xen 4.6
elif
cat > $TMPC <<EOF &&
#include <xenctrl.h>
#include <xenstore.h>
#include <stdint.h>
#include <xen/hvm/hvm_info_table.h>
#if !defined(HVM_MAX_VCPUS)
# error HVM_MAX_VCPUS not defined
#endif
int main(void) {
xc_interface *xc;
xs_daemon_open();
xc = xc_interface_open(0, 0, 0);
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_gnttab_open(NULL, 0);
xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
return 0;
}
EOF
compile_prog "" "$xen_libs"
then
xen_ctrl_version=40600
xen=enabled
# Xen 4.5
elif
cat > $TMPC <<EOF &&
#include <xenctrl.h>
#include <xenstore.h>
#include <stdint.h>
#include <xen/hvm/hvm_info_table.h>
#if !defined(HVM_MAX_VCPUS)
# error HVM_MAX_VCPUS not defined
#endif
int main(void) {
xc_interface *xc;
xs_daemon_open();
xc = xc_interface_open(0, 0, 0);
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_gnttab_open(NULL, 0);
xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
return 0;
}
EOF
compile_prog "" "$xen_libs"
then
xen_ctrl_version=40500
xen=enabled
elif
cat > $TMPC <<EOF &&
#include <xenctrl.h>
#include <xenstore.h>
#include <stdint.h>
#include <xen/hvm/hvm_info_table.h>
#if !defined(HVM_MAX_VCPUS)
# error HVM_MAX_VCPUS not defined
#endif
int main(void) {
xc_interface *xc;
xs_daemon_open();
xc = xc_interface_open(0, 0, 0);
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_gnttab_open(NULL, 0);
xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
return 0;
}
EOF
compile_prog "" "$xen_libs"
then
xen_ctrl_version=40200
xen=enabled
else
if test "$xen" = "enabled" ; then
feature_not_found "xen (unsupported version)" \
"Install a supported xen (xen 4.2 or newer)"
fi
xen=disabled
fi
if test "$xen" = enabled; then
if test $xen_ctrl_version -ge 40701 ; then
xen_libs="$xen_libs $xen_stable_libs "
fi
fi
fi
fi
########################################## ##########################################
# glib support probe # glib support probe
@ -2555,12 +2241,6 @@ if test "$modules" = "yes"; then
fi fi
echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
if test "$xen" = "enabled" ; then
echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak
echo "XEN_LIBS=$xen_libs" >> $config_host_mak
fi
if test "$vhost_scsi" = "yes" ; then if test "$vhost_scsi" = "yes" ; then
echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
fi fi
@ -2839,7 +2519,7 @@ if test "$skip_meson" = no; then
-Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \ -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
-Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \ -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
-Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \ -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
-Db_lto=$lto -Dcfi=$cfi -Dtcg=$tcg -Dxen=$xen \ -Db_lto=$lto -Dcfi=$cfi -Dtcg=$tcg \
-Dcapstone=$capstone -Dfdt=$fdt -Dslirp=$slirp \ -Dcapstone=$capstone -Dfdt=$fdt -Dslirp=$slirp \
$(test -n "${LIB_FUZZING_ENGINE+xxx}" && echo "-Dfuzzing_engine=$LIB_FUZZING_ENGINE") \ $(test -n "${LIB_FUZZING_ENGINE+xxx}" && echo "-Dfuzzing_engine=$LIB_FUZZING_ENGINE") \
$(if test "$default_feature" = no; then echo "-Dauto_features=disabled"; fi) \ $(if test "$default_feature" = no; then echo "-Dauto_features=disabled"; fi) \

View File

@ -348,12 +348,6 @@ accelerators = []
if get_option('kvm').allowed() and targetos == 'linux' if get_option('kvm').allowed() and targetos == 'linux'
accelerators += 'CONFIG_KVM' accelerators += 'CONFIG_KVM'
endif endif
if get_option('xen').allowed() and 'CONFIG_XEN_BACKEND' in config_host
accelerators += 'CONFIG_XEN'
have_xen_pci_passthrough = get_option('xen_pci_passthrough').allowed() and targetos == 'linux'
else
have_xen_pci_passthrough = false
endif
if get_option('whpx').allowed() and targetos == 'windows' if get_option('whpx').allowed() and targetos == 'windows'
if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64' if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
error('WHPX requires 64-bit host') error('WHPX requires 64-bit host')
@ -425,13 +419,6 @@ endif
if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled() if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
error('WHPX not available on this platform') error('WHPX not available on this platform')
endif endif
if not have_xen_pci_passthrough and get_option('xen_pci_passthrough').enabled()
if 'CONFIG_XEN' in accelerators
error('Xen PCI passthrough not available on this platform')
else
error('Xen PCI passthrough requested but Xen not enabled')
endif
endif
################ ################
# Dependencies # # Dependencies #
@ -1257,10 +1244,86 @@ if not get_option('rdma').auto() or have_system
endif endif
xen = not_found xen = not_found
if 'CONFIG_XEN_BACKEND' in config_host if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
xen = declare_dependency(compile_args: config_host['XEN_CFLAGS'].split(), xencontrol = dependency('xencontrol', required: false,
link_args: config_host['XEN_LIBS'].split()) method: 'pkg-config', kwargs: static_kwargs)
if xencontrol.found()
xen_pc = declare_dependency(version: xencontrol.version(),
dependencies: [
xencontrol,
# disabler: true makes xen_pc.found() return false if any is not found
dependency('xenstore', required: false,
method: 'pkg-config', kwargs: static_kwargs,
disabler: true),
dependency('xenforeignmemory', required: false,
method: 'pkg-config', kwargs: static_kwargs,
disabler: true),
dependency('xengnttab', required: false,
method: 'pkg-config', kwargs: static_kwargs,
disabler: true),
dependency('xenevtchn', required: false,
method: 'pkg-config', kwargs: static_kwargs,
disabler: true),
dependency('xendevicemodel', required: false,
method: 'pkg-config', kwargs: static_kwargs,
disabler: true),
# optional, no "disabler: true"
dependency('xentoolcore', required: false,
method: 'pkg-config', kwargs: static_kwargs)])
if xen_pc.found()
xen = xen_pc
endif
endif
if not xen.found()
xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1', '4.6.0', '4.5.0', '4.2.0' ]
xen_libs = {
'4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
'4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
'4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
'4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
'4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
'4.6.0': [ 'xenstore', 'xenctrl' ],
'4.5.0': [ 'xenstore', 'xenctrl' ],
'4.2.0': [ 'xenstore', 'xenctrl' ],
}
xen_deps = {}
foreach ver: xen_tests
# cache the various library tests to avoid polluting the logs
xen_test_deps = []
foreach l: xen_libs[ver]
if l not in xen_deps
xen_deps += { l: cc.find_library(l, required: false) }
endif
xen_test_deps += xen_deps[l]
endforeach
# Use -D to pick just one of the test programs in scripts/xen-detect.c
xen_version = ver.split('.')
xen_ctrl_version = xen_version[0] + \
('0' + xen_version[1]).substring(-2) + \
('0' + xen_version[2]).substring(-2)
if cc.links(files('scripts/xen-detect.c'),
args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
dependencies: xen_test_deps)
xen = declare_dependency(version: ver, dependencies: xen_test_deps)
break
endif
endforeach
endif
if xen.found()
accelerators += 'CONFIG_XEN'
elif get_option('xen').enabled()
error('could not compile and link Xen test program')
endif
endif endif
have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
.require(xen.found(),
error_message: 'Xen PCI passthrough requested but Xen not enabled') \
.require(targetos == 'linux',
error_message: 'Xen PCI passthrough not available on this platform') \
.allowed()
cacard = not_found cacard = not_found
if not get_option('smartcard').auto() or have_system if not get_option('smartcard').auto() or have_system
cacard = dependency('libcacard', required: get_option('smartcard'), cacard = dependency('libcacard', required: get_option('smartcard'),
@ -1634,6 +1697,15 @@ config_host_data.set('CONFIG_X11', x11.found())
config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display) config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
config_host_data.set('CONFIG_CFI', get_option('cfi')) config_host_data.set('CONFIG_CFI', get_option('cfi'))
config_host_data.set('CONFIG_SELINUX', selinux.found()) config_host_data.set('CONFIG_SELINUX', selinux.found())
config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
if xen.found()
# protect from xen.version() having less than three components
xen_version = xen.version().split('.') + ['0', '0']
xen_ctrl_version = xen_version[0] + \
('0' + xen_version[1]).substring(-2) + \
('0' + xen_version[2]).substring(-2)
config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
endif
config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version())) config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0]) config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1]) config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
@ -2359,7 +2431,7 @@ config_all += config_all_devices
config_all += config_host config_all += config_host
config_all += config_all_disas config_all += config_all_disas
config_all += { config_all += {
'CONFIG_XEN': config_host.has_key('CONFIG_XEN_BACKEND'), 'CONFIG_XEN': xen.found(),
'CONFIG_SOFTMMU': have_system, 'CONFIG_SOFTMMU': have_system,
'CONFIG_USER_ONLY': have_user, 'CONFIG_USER_ONLY': have_user,
'CONFIG_ALL': true, 'CONFIG_ALL': true,
@ -3690,9 +3762,9 @@ if have_system
summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')} summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')} summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')} summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
summary_info += {'Xen support': config_host.has_key('CONFIG_XEN_BACKEND')} summary_info += {'Xen support': xen.found()}
if config_host.has_key('CONFIG_XEN_BACKEND') if xen.found()
summary_info += {'xen ctrl version': config_host['CONFIG_XEN_CTRL_INTERFACE_VERSION']} summary_info += {'xen ctrl version': xen.version()}
endif endif
endif endif
summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')} summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}

203
scripts/xen-detect.c Normal file
View File

@ -0,0 +1,203 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
/* Test programs for various Xen versions that QEMU supports. */
#if CONFIG_XEN_CTRL_INTERFACE_VERSION == 41100
#undef XC_WANT_COMPAT_DEVICEMODEL_API
#define __XEN_TOOLS__
#include <xendevicemodel.h>
#include <xenforeignmemory.h>
int main(void) {
xendevicemodel_handle *xd;
xenforeignmemory_handle *xfmem;
xd = xendevicemodel_open(0, 0);
xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
xfmem = xenforeignmemory_open(0, 0);
xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
return 0;
}
#elif CONFIG_XEN_CTRL_INTERFACE_VERSION == 41000
#undef XC_WANT_COMPAT_MAP_FOREIGN_API
#include <xenforeignmemory.h>
#include <xentoolcore.h>
int main(void) {
xenforeignmemory_handle *xfmem;
xfmem = xenforeignmemory_open(0, 0);
xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
xentoolcore_restrict_all(0);
return 0;
}
#elif CONFIG_XEN_CTRL_INTERFACE_VERSION == 40900
#undef XC_WANT_COMPAT_DEVICEMODEL_API
#define __XEN_TOOLS__
#include <xendevicemodel.h>
int main(void) {
xendevicemodel_handle *xd;
xd = xendevicemodel_open(0, 0);
xendevicemodel_close(xd);
return 0;
}
#elif CONFIG_XEN_CTRL_INTERFACE_VERSION == 40800
/*
* If we have stable libs the we don't want the libxc compat
* layers, regardless of what CFLAGS we may have been given.
*
* Also, check if xengnttab_grant_copy_segment_t is defined and
* grant copy operation is implemented.
*/
#undef XC_WANT_COMPAT_EVTCHN_API
#undef XC_WANT_COMPAT_GNTTAB_API
#undef XC_WANT_COMPAT_MAP_FOREIGN_API
#include <xenctrl.h>
#include <xenstore.h>
#include <xenevtchn.h>
#include <xengnttab.h>
#include <xenforeignmemory.h>
#include <stdint.h>
#include <xen/hvm/hvm_info_table.h>
#if !defined(HVM_MAX_VCPUS)
# error HVM_MAX_VCPUS not defined
#endif
int main(void) {
xc_interface *xc = NULL;
xenforeignmemory_handle *xfmem;
xenevtchn_handle *xe;
xengnttab_handle *xg;
xengnttab_grant_copy_segment_t* seg = NULL;
xs_daemon_open();
xc = xc_interface_open(0, 0, 0);
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
xfmem = xenforeignmemory_open(0, 0);
xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
xe = xenevtchn_open(0, 0);
xenevtchn_fd(xe);
xg = xengnttab_open(0, 0);
xengnttab_grant_copy(xg, 0, seg);
return 0;
}
#elif CONFIG_XEN_CTRL_INTERFACE_VERSION == 40701
/*
* If we have stable libs the we don't want the libxc compat
* layers, regardless of what CFLAGS we may have been given.
*/
#undef XC_WANT_COMPAT_EVTCHN_API
#undef XC_WANT_COMPAT_GNTTAB_API
#undef XC_WANT_COMPAT_MAP_FOREIGN_API
#include <xenctrl.h>
#include <xenstore.h>
#include <xenevtchn.h>
#include <xengnttab.h>
#include <xenforeignmemory.h>
#include <stdint.h>
#include <xen/hvm/hvm_info_table.h>
#if !defined(HVM_MAX_VCPUS)
# error HVM_MAX_VCPUS not defined
#endif
int main(void) {
xc_interface *xc = NULL;
xenforeignmemory_handle *xfmem;
xenevtchn_handle *xe;
xengnttab_handle *xg;
xs_daemon_open();
xc = xc_interface_open(0, 0, 0);
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
xfmem = xenforeignmemory_open(0, 0);
xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
xe = xenevtchn_open(0, 0);
xenevtchn_fd(xe);
xg = xengnttab_open(0, 0);
xengnttab_map_grant_ref(xg, 0, 0, 0);
return 0;
}
#elif CONFIG_XEN_CTRL_INTERFACE_VERSION == 40600
#include <xenctrl.h>
#include <xenstore.h>
#include <stdint.h>
#include <xen/hvm/hvm_info_table.h>
#if !defined(HVM_MAX_VCPUS)
# error HVM_MAX_VCPUS not defined
#endif
int main(void) {
xc_interface *xc;
xs_daemon_open();
xc = xc_interface_open(0, 0, 0);
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_gnttab_open(NULL, 0);
xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
return 0;
}
#elif CONFIG_XEN_CTRL_INTERFACE_VERSION == 40500
#include <xenctrl.h>
#include <xenstore.h>
#include <stdint.h>
#include <xen/hvm/hvm_info_table.h>
#if !defined(HVM_MAX_VCPUS)
# error HVM_MAX_VCPUS not defined
#endif
int main(void) {
xc_interface *xc;
xs_daemon_open();
xc = xc_interface_open(0, 0, 0);
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_gnttab_open(NULL, 0);
xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
return 0;
}
#elif CONFIG_XEN_CTRL_INTERFACE_VERSION == 40200
#include <xenctrl.h>
#include <xenstore.h>
#include <stdint.h>
#include <xen/hvm/hvm_info_table.h>
#if !defined(HVM_MAX_VCPUS)
# error HVM_MAX_VCPUS not defined
#endif
int main(void) {
xc_interface *xc;
xs_daemon_open();
xc = xc_interface_open(0, 0, 0);
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_gnttab_open(NULL, 0);
xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
return 0;
}
#else
#error invalid CONFIG_XEN_CTRL_INTERFACE_VERSION
#endif