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meson: Add optional dependency on IGVM library

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The IGVM library allows Independent Guest Virtual Machine files to be
parsed and processed. IGVM files are used to configure guest memory
layout, initial processor state and other configuration pertaining to
secure virtual machines.

This adds the --enable-igvm configure option, enabled by default, which
attempts to locate and link against the IGVM library via pkgconfig and
sets CONFIG_IGVM if found.

The library is added to the system_ss target in backends/meson.build
where the IGVM parsing will be performed by the ConfidentialGuestSupport
object.

Signed-off-by: Roy Hopkins <roy.hopkins@randomman.co.uk>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Gerd Hoffman <kraxel@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Link: https://lore.kernel.org/r/45945a83a638c3f08e68c025f378e7b7f4f6d593.1751554099.git.roy.hopkins@randomman.co.uk
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Roy Hopkins 2025-07-03 16:00:36 +01:00 committed by Paolo Bonzini
parent b28f6d5c16
commit 84fe49d94a
4 changed files with 16 additions and 0 deletions
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3
backends/meson.build
View File

@ -34,6 +34,9 @@ if have_vhost_user_crypto
endif
system_ss.add(when: gio, if_true: files('dbus-vmstate.c'))
system_ss.add(when: 'CONFIG_SGX', if_true: files('hostmem-epc.c'))
if igvm.found()
system_ss.add(igvm)
endif
system_ss.add(when: 'CONFIG_SPDM_SOCKET', if_true: files('spdm-socket.c'))

8
meson.build
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@ -1424,6 +1424,12 @@ if host_os == 'linux' and (have_system or have_tools)
method: 'pkg-config',
required: get_option('libudev'))
endif
igvm = not_found
if not get_option('igvm').auto() or have_system
igvm = dependency('igvm', version: '>= 0.3.0',
method: 'pkg-config',
required: get_option('igvm'))
endif
mpathlibs = [libudev]
mpathpersist = not_found
@ -2601,6 +2607,7 @@ config_host_data.set('CONFIG_CFI', get_option('cfi'))
config_host_data.set('CONFIG_SELINUX', selinux.found())
config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
config_host_data.set('CONFIG_LIBDW', libdw.found())
config_host_data.set('CONFIG_IGVM', igvm.found())
if xen.found()
# protect from xen.version() having less than three components
xen_version = xen.version().split('.') + ['0', '0']
@ -4965,6 +4972,7 @@ summary_info += {'seccomp support': seccomp}
summary_info += {'GlusterFS support': glusterfs}
summary_info += {'hv-balloon support': hv_balloon}
summary_info += {'TPM support': have_tpm}
summary_info += {'IGVM support': igvm}
summary_info += {'libssh support': libssh}
summary_info += {'lzo support': lzo}
summary_info += {'snappy support': snappy}

2
meson_options.txt
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@ -117,6 +117,8 @@ option('tpm', type : 'feature', value : 'auto',
description: 'TPM support')
option('valgrind', type : 'feature', value: 'auto',
description: 'valgrind debug support for coroutine stacks')
option('igvm', type: 'feature', value: 'auto',
description: 'Independent Guest Virtual Machine (IGVM) file support')
# Do not enable it by default even for Mingw32, because it doesn't
# work on Wine.

3
scripts/meson-buildoptions.sh
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@ -130,6 +130,7 @@ meson_options_help() {
printf "%s\n" ' hv-balloon hv-balloon driver (requires Glib 2.68+ GTree API)'
printf "%s\n" ' hvf HVF acceleration support'
printf "%s\n" ' iconv Font glyph conversion support'
printf "%s\n" ' igvm IGVM file support'
printf "%s\n" ' jack JACK sound support'
printf "%s\n" ' keyring Linux keyring support'
printf "%s\n" ' kvm KVM acceleration support'
@ -346,6 +347,8 @@ _meson_option_parse() {
--iasl=*) quote_sh "-Diasl=$2" ;;
--enable-iconv) printf "%s" -Diconv=enabled ;;
--disable-iconv) printf "%s" -Diconv=disabled ;;
--enable-igvm) printf "%s" -Digvm=enabled ;;
--disable-igvm) printf "%s" -Digvm=disabled ;;
--includedir=*) quote_sh "-Dincludedir=$2" ;;
--enable-install-blobs) printf "%s" -Dinstall_blobs=true ;;
--disable-install-blobs) printf "%s" -Dinstall_blobs=false ;;