diff --git a/configure b/configure index 9da3970cef..8af54e8a5a 100755 --- a/configure +++ b/configure @@ -644,7 +644,6 @@ infodir docdir oldincludedir includedir -runstatedir localstatedir sharedstatedir sysconfdir @@ -723,7 +722,6 @@ datadir='${datarootdir}' sysconfdir='${prefix}/etc' sharedstatedir='${prefix}/com' localstatedir='${prefix}/var' -runstatedir='${localstatedir}/run' includedir='${prefix}/include' oldincludedir='/usr/include' docdir='${datarootdir}/doc/${PACKAGE_TARNAME}' @@ -976,15 +974,6 @@ do | -silent | --silent | --silen | --sile | --sil) silent=yes ;; - -runstatedir | --runstatedir | --runstatedi | --runstated \ - | --runstate | --runstat | --runsta | --runst | --runs \ - | --run | --ru | --r) - ac_prev=runstatedir ;; - -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \ - | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \ - | --run=* | --ru=* | --r=*) - runstatedir=$ac_optarg ;; - -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb) ac_prev=sbindir ;; -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \ @@ -1122,7 +1111,7 @@ fi for ac_var in exec_prefix prefix bindir sbindir libexecdir datarootdir \ datadir sysconfdir sharedstatedir localstatedir includedir \ oldincludedir docdir infodir htmldir dvidir pdfdir psdir \ - libdir localedir mandir runstatedir + libdir localedir mandir do eval ac_val=\$$ac_var # Remove trailing slashes. @@ -1275,7 +1264,6 @@ Fine tuning of the installation directories: --sysconfdir=DIR read-only single-machine data [PREFIX/etc] --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] --localstatedir=DIR modifiable single-machine data [PREFIX/var] - --runstatedir=DIR modifiable per-process data [LOCALSTATEDIR/run] --libdir=DIR object code libraries [EPREFIX/lib] --includedir=DIR C header files [PREFIX/include] --oldincludedir=DIR C header files for non-gcc [/usr/include] diff --git a/docs/configure b/docs/configure index 9e3ed60462..93e9dcf404 100755 --- a/docs/configure +++ b/docs/configure @@ -634,7 +634,6 @@ infodir docdir oldincludedir includedir -runstatedir localstatedir sharedstatedir sysconfdir @@ -711,7 +710,6 @@ datadir='${datarootdir}' sysconfdir='${prefix}/etc' sharedstatedir='${prefix}/com' localstatedir='${prefix}/var' -runstatedir='${localstatedir}/run' includedir='${prefix}/include' oldincludedir='/usr/include' docdir='${datarootdir}/doc/${PACKAGE_TARNAME}' @@ -964,15 +962,6 @@ do | -silent | --silent | --silen | --sile | --sil) silent=yes ;; - -runstatedir | --runstatedir | --runstatedi | --runstated \ - | --runstate | --runstat | --runsta | --runst | --runs \ - | --run | --ru | --r) - ac_prev=runstatedir ;; - -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \ - | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \ - | --run=* | --ru=* | --r=*) - runstatedir=$ac_optarg ;; - -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb) ac_prev=sbindir ;; -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \ @@ -1110,7 +1099,7 @@ fi for ac_var in exec_prefix prefix bindir sbindir libexecdir datarootdir \ datadir sysconfdir sharedstatedir localstatedir includedir \ oldincludedir docdir infodir htmldir dvidir pdfdir psdir \ - libdir localedir mandir runstatedir + libdir localedir mandir do eval ac_val=\$$ac_var # Remove trailing slashes. @@ -1263,7 +1252,6 @@ Fine tuning of the installation directories: --sysconfdir=DIR read-only single-machine data [PREFIX/etc] --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] --localstatedir=DIR modifiable single-machine data [PREFIX/var] - --runstatedir=DIR modifiable per-process data [LOCALSTATEDIR/run] --libdir=DIR object code libraries [EPREFIX/lib] --includedir=DIR C header files [PREFIX/include] --oldincludedir=DIR C header files for non-gcc [/usr/include] diff --git a/stubdom/configure b/stubdom/configure index da03da535a..f7604a37f7 100755 --- a/stubdom/configure +++ b/stubdom/configure @@ -661,7 +661,6 @@ infodir docdir oldincludedir includedir -runstatedir localstatedir sharedstatedir sysconfdir @@ -751,7 +750,6 @@ datadir='${datarootdir}' sysconfdir='${prefix}/etc' sharedstatedir='${prefix}/com' localstatedir='${prefix}/var' -runstatedir='${localstatedir}/run' includedir='${prefix}/include' oldincludedir='/usr/include' docdir='${datarootdir}/doc/${PACKAGE_TARNAME}' @@ -1004,15 +1002,6 @@ do | -silent | --silent | --silen | --sile | --sil) silent=yes ;; - -runstatedir | --runstatedir | --runstatedi | --runstated \ - | --runstate | --runstat | --runsta | --runst | --runs \ - | --run | --ru | --r) - ac_prev=runstatedir ;; - -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \ - | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \ - | --run=* | --ru=* | --r=*) - runstatedir=$ac_optarg ;; - -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb) ac_prev=sbindir ;; -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \ @@ -1150,7 +1139,7 @@ fi for ac_var in exec_prefix prefix bindir sbindir libexecdir datarootdir \ datadir sysconfdir sharedstatedir localstatedir includedir \ oldincludedir docdir infodir htmldir dvidir pdfdir psdir \ - libdir localedir mandir runstatedir + libdir localedir mandir do eval ac_val=\$$ac_var # Remove trailing slashes. @@ -1303,7 +1292,6 @@ Fine tuning of the installation directories: --sysconfdir=DIR read-only single-machine data [PREFIX/etc] --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] --localstatedir=DIR modifiable single-machine data [PREFIX/var] - --runstatedir=DIR modifiable per-process data [LOCALSTATEDIR/run] --libdir=DIR object code libraries [EPREFIX/lib] --includedir=DIR C header files [PREFIX/include] --oldincludedir=DIR C header files for non-gcc [/usr/include] diff --git a/tools/config.h.in b/tools/config.h.in index 5a5944ebe1..5abf6092de 100644 --- a/tools/config.h.in +++ b/tools/config.h.in @@ -123,6 +123,9 @@ /* Define to 1 if you have the ANSI C header files. */ #undef STDC_HEADERS +/* QMP proxy path */ +#undef STUBDOM_QMP_PROXY_PATH + /* Enable large inode numbers on Mac OS X 10.5. */ #ifndef _DARWIN_USE_64_BIT_INODE # define _DARWIN_USE_64_BIT_INODE 1 diff --git a/tools/configure b/tools/configure index 36596389b8..35036dc1db 100755 --- a/tools/configure +++ b/tools/configure @@ -772,7 +772,6 @@ infodir docdir oldincludedir includedir -runstatedir localstatedir sharedstatedir sysconfdir @@ -814,6 +813,7 @@ with_linux_backend_modules enable_qemu_traditional enable_rombios with_system_qemu +with_stubdom_qmp_proxy with_system_seabios with_system_ovmf enable_ipxe @@ -899,7 +899,6 @@ datadir='${datarootdir}' sysconfdir='${prefix}/etc' sharedstatedir='${prefix}/com' localstatedir='${prefix}/var' -runstatedir='${localstatedir}/run' includedir='${prefix}/include' oldincludedir='/usr/include' docdir='${datarootdir}/doc/${PACKAGE_TARNAME}' @@ -1152,15 +1151,6 @@ do | -silent | --silent | --silen | --sile | --sil) silent=yes ;; - -runstatedir | --runstatedir | --runstatedi | --runstated \ - | --runstate | --runstat | --runsta | --runst | --runs \ - | --run | --ru | --r) - ac_prev=runstatedir ;; - -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \ - | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \ - | --run=* | --ru=* | --r=*) - runstatedir=$ac_optarg ;; - -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb) ac_prev=sbindir ;; -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \ @@ -1298,7 +1288,7 @@ fi for ac_var in exec_prefix prefix bindir sbindir libexecdir datarootdir \ datadir sysconfdir sharedstatedir localstatedir includedir \ oldincludedir docdir infodir htmldir dvidir pdfdir psdir \ - libdir localedir mandir runstatedir + libdir localedir mandir do eval ac_val=\$$ac_var # Remove trailing slashes. @@ -1451,7 +1441,6 @@ Fine tuning of the installation directories: --sysconfdir=DIR read-only single-machine data [PREFIX/etc] --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] --localstatedir=DIR modifiable single-machine data [PREFIX/var] - --runstatedir=DIR modifiable per-process data [LOCALSTATEDIR/run] --libdir=DIR object code libraries [EPREFIX/lib] --includedir=DIR C header files [PREFIX/include] --oldincludedir=DIR C header files for non-gcc [/usr/include] @@ -1535,6 +1524,9 @@ Optional Packages: Use system supplied qemu PATH or qemu (taken from $PATH) as qemu-xen device model instead of building and installing our own version + --stubdom-qmp-proxy[=PATH] + Use supplied binary PATH as a QMP proxy into + stubdomain --with-system-seabios[=PATH] Use system supplied seabios PATH instead of building and installing our own version @@ -3382,7 +3374,7 @@ else We can't simply define LARGE_OFF_T to be 9223372036854775807, since some C++ compilers masquerading as C compilers incorrectly reject 9223372036854775807. */ -#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31)) +#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1]; @@ -3428,7 +3420,7 @@ else We can't simply define LARGE_OFF_T to be 9223372036854775807, since some C++ compilers masquerading as C compilers incorrectly reject 9223372036854775807. */ -#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31)) +#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1]; @@ -3452,7 +3444,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext We can't simply define LARGE_OFF_T to be 9223372036854775807, since some C++ compilers masquerading as C compilers incorrectly reject 9223372036854775807. */ -#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31)) +#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1]; @@ -3497,7 +3489,7 @@ else We can't simply define LARGE_OFF_T to be 9223372036854775807, since some C++ compilers masquerading as C compilers incorrectly reject 9223372036854775807. */ -#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31)) +#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1]; @@ -3521,7 +3513,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext We can't simply define LARGE_OFF_T to be 9223372036854775807, since some C++ compilers masquerading as C compilers incorrectly reject 9223372036854775807. */ -#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31)) +#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1]; @@ -4548,6 +4540,24 @@ _ACEOF +# Check whether --with-stubdom-qmp-proxy was given. +if test "${with_stubdom_qmp_proxy+set}" = set; then : + withval=$with_stubdom_qmp_proxy; + stubdom_qmp_proxy="$withval" + +else + + stubdom_qmp_proxy="$bindir/vchan-socket-proxy" + +fi + + +cat >>confdefs.h <<_ACEOF +#define STUBDOM_QMP_PROXY_PATH "$stubdom_qmp_proxy" +_ACEOF + + + # Check whether --with-system-seabios was given. if test "${with_system_seabios+set}" = set; then : withval=$with_system_seabios; diff --git a/tools/configure.ac b/tools/configure.ac index b6f8882be4..a9af0a21c6 100644 --- a/tools/configure.ac +++ b/tools/configure.ac @@ -194,6 +194,15 @@ AC_SUBST(qemu_xen) AC_SUBST(qemu_xen_path) AC_SUBST(qemu_xen_systemd) +AC_ARG_WITH([stubdom-qmp-proxy], + AC_HELP_STRING([--stubdom-qmp-proxy@<:@=PATH@:>@], + [Use supplied binary PATH as a QMP proxy into stubdomain]),[ + stubdom_qmp_proxy="$withval" +],[ + stubdom_qmp_proxy="$bindir/vchan-socket-proxy" +]) +AC_DEFINE_UNQUOTED([STUBDOM_QMP_PROXY_PATH], ["$stubdom_qmp_proxy"], [QMP proxy path]) + AC_ARG_WITH([system-seabios], AS_HELP_STRING([--with-system-seabios@<:@=PATH@:>@], [Use system supplied seabios PATH instead of building and installing diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c index 6829b4bdb5..6a26634ef9 100644 --- a/tools/libxl/libxl_dm.c +++ b/tools/libxl/libxl_dm.c @@ -1200,7 +1200,11 @@ static int libxl__build_device_model_args_new(libxl__gc *gc, GCSPRINTF("%d", guest_domid), NULL); flexarray_append(dm_args, "-no-shutdown"); - /* There is currently no way to access the QMP socket in the stubdom */ + /* + * QMP access to qemu running in stubdomain is done over vchan. The + * stubdomain init script adds the appropriate monitor options for + * vchan-socket-proxy. + */ if (!is_stubdom) { flexarray_append(dm_args, "-chardev"); if (state->dm_monitor_fd >= 0) { @@ -2205,6 +2209,23 @@ static void stubdom_pvqemu_unpaused(libxl__egc *egc, static void stubdom_xswait_cb(libxl__egc *egc, libxl__xswait_state *xswait, int rc, const char *p); +static void spawn_qmp_proxy(libxl__egc *egc, + libxl__stub_dm_spawn_state *sdss); + +static void qmp_proxy_confirm(libxl__egc *egc, libxl__spawn_state *spawn, + const char *xsdata); + +static void qmp_proxy_startup_failed(libxl__egc *egc, + libxl__spawn_state *spawn, + int rc); + +static void qmp_proxy_detached(libxl__egc *egc, + libxl__spawn_state *spawn); + +static void qmp_proxy_spawn_outcome(libxl__egc *egc, + libxl__stub_dm_spawn_state *sdss, + int rc); + char *libxl__stub_dm_name(libxl__gc *gc, const char *guest_name) { return GCSPRINTF("%s-dm", guest_name); @@ -2486,24 +2507,150 @@ static void spawn_stub_launch_dm(libxl__egc *egc, goto out; } - sdss->pvqemu.spawn.ao = ao; - sdss->pvqemu.guest_domid = dm_domid; - sdss->pvqemu.guest_config = &sdss->dm_config; - sdss->pvqemu.build_state = &sdss->dm_state; - sdss->pvqemu.callback = spawn_stubdom_pvqemu_cb; - - if (!need_qemu) { - /* If dom0 qemu not needed, do not launch it */ - spawn_stubdom_pvqemu_cb(egc, &sdss->pvqemu, 0); + sdss->qmp_proxy_spawn.ao = ao; + if (libxl__stubdomain_is_linux(&guest_config->b_info)) { + spawn_qmp_proxy(egc, sdss); } else { - libxl__spawn_local_dm(egc, &sdss->pvqemu); + qmp_proxy_spawn_outcome(egc, sdss, 0); } return; out: assert(ret); - spawn_stubdom_pvqemu_cb(egc, &sdss->pvqemu, ret); + qmp_proxy_spawn_outcome(egc, sdss, ret); +} + +static void spawn_qmp_proxy(libxl__egc *egc, + libxl__stub_dm_spawn_state *sdss) +{ + STATE_AO_GC(sdss->qmp_proxy_spawn.ao); + const uint32_t guest_domid = sdss->dm.guest_domid; + const uint32_t dm_domid = sdss->pvqemu.guest_domid; + const char *dom_path = libxl__xs_get_dompath(gc, dm_domid); + char **args; + int nr = 0; + int rc, logfile_w, null; + + if (access(STUBDOM_QMP_PROXY_PATH, X_OK) < 0) { + LOGED(ERROR, guest_domid, "qmp proxy %s is not executable", STUBDOM_QMP_PROXY_PATH); + rc = ERROR_FAIL; + goto out; + } + + sdss->qmp_proxy_spawn.what = GCSPRINTF("domain %d device model qmp proxy", guest_domid); + sdss->qmp_proxy_spawn.pidpath = GCSPRINTF("%s/image/qmp-proxy-pid", dom_path); + sdss->qmp_proxy_spawn.xspath = DEVICE_MODEL_XS_PATH(gc, LIBXL_TOOLSTACK_DOMID, + dm_domid, "/qmp-proxy-state"); + sdss->qmp_proxy_spawn.timeout_ms = LIBXL_DEVICE_MODEL_START_TIMEOUT * 1000; + sdss->qmp_proxy_spawn.midproc_cb = libxl__spawn_record_pid; + sdss->qmp_proxy_spawn.confirm_cb = qmp_proxy_confirm; + sdss->qmp_proxy_spawn.failure_cb = qmp_proxy_startup_failed; + sdss->qmp_proxy_spawn.detached_cb = qmp_proxy_detached; + + const int arraysize = 6; + GCNEW_ARRAY(args, arraysize); + args[nr++] = STUBDOM_QMP_PROXY_PATH; + args[nr++] = GCSPRINTF("--state-path=%s", sdss->qmp_proxy_spawn.xspath); + args[nr++] = GCSPRINTF("%u", dm_domid); + args[nr++] = GCSPRINTF("%s/device-model/%u/qmp-vchan", dom_path, guest_domid); + args[nr++] = (char*)libxl__qemu_qmp_path(gc, guest_domid); + args[nr++] = NULL; + assert(nr == arraysize); + + logfile_w = libxl__create_qemu_logfile(gc, GCSPRINTF("qmp-proxy-%s", + sdss->dm_config.c_info.name)); + if (logfile_w < 0) { + rc = logfile_w; + goto out; + } + null = open("/dev/null", O_RDWR); + if (null < 0) { + LOGED(ERROR, guest_domid, "unable to open /dev/null"); + rc = ERROR_FAIL; + goto out_close; + } + + rc = libxl__spawn_spawn(egc, &sdss->qmp_proxy_spawn); + if (rc < 0) + goto out_close; + if (!rc) { /* inner child */ + setsid(); + libxl__exec(gc, null, null, logfile_w, STUBDOM_QMP_PROXY_PATH, args, NULL); + /* unreachable */ + } + + rc = 0; + +out_close: + if (logfile_w >= 0) + close(logfile_w); + if (null >= 0) + close(null); +out: + if (rc) + qmp_proxy_spawn_outcome(egc, sdss, rc); +} + +static void qmp_proxy_confirm(libxl__egc *egc, libxl__spawn_state *spawn, + const char *xsdata) +{ + STATE_AO_GC(spawn->ao); + + if (!xsdata) + return; + + if (strcmp(xsdata, "running")) + return; + + libxl__spawn_initiate_detach(gc, spawn); +} + +static void qmp_proxy_startup_failed(libxl__egc *egc, + libxl__spawn_state *spawn, + int rc) +{ + libxl__stub_dm_spawn_state *sdss = CONTAINER_OF(spawn, *sdss, qmp_proxy_spawn); + qmp_proxy_spawn_outcome(egc, sdss, rc); +} + +static void qmp_proxy_detached(libxl__egc *egc, + libxl__spawn_state *spawn) +{ + libxl__stub_dm_spawn_state *sdss = CONTAINER_OF(spawn, *sdss, qmp_proxy_spawn); + qmp_proxy_spawn_outcome(egc, sdss, 0); +} + +static void qmp_proxy_spawn_outcome(libxl__egc *egc, + libxl__stub_dm_spawn_state *sdss, + int rc) +{ + STATE_AO_GC(sdss->qmp_proxy_spawn.ao); + int need_pvqemu = libxl__need_xenpv_qemu(gc, &sdss->dm_config); + + if (rc) goto out; + + if (need_pvqemu < 0) { + rc = need_pvqemu; + goto out; + } + + sdss->pvqemu.spawn.ao = ao; + sdss->pvqemu.guest_config = &sdss->dm_config; + sdss->pvqemu.build_state = &sdss->dm_state; + sdss->pvqemu.callback = spawn_stubdom_pvqemu_cb; + if (need_pvqemu) { + libxl__spawn_local_dm(egc, &sdss->pvqemu); + } else { + /* If dom0 qemu not needed, do not launch it */ + spawn_stubdom_pvqemu_cb(egc, &sdss->pvqemu, 0); + } + + return; + +out: + assert(rc); + spawn_stubdom_pvqemu_cb(egc, &sdss->pvqemu, rc); } static void spawn_stubdom_pvqemu_cb(libxl__egc *egc, diff --git a/tools/libxl/libxl_domain.c b/tools/libxl/libxl_domain.c index fef2cd4e13..c08af308fa 100644 --- a/tools/libxl/libxl_domain.c +++ b/tools/libxl/libxl_domain.c @@ -1260,10 +1260,20 @@ static void dm_destroy_cb(libxl__egc *egc, libxl__destroy_domid_state *dis = CONTAINER_OF(ddms, *dis, ddms); STATE_AO_GC(dis->ao); uint32_t domid = dis->domid; + uint32_t target_domid; if (rc < 0) LOGD(ERROR, domid, "libxl__destroy_device_model failed"); + if (libxl_is_stubdom(CTX, domid, &target_domid) && + libxl__stubdomain_is_linux_running(gc, target_domid)) { + char *path = GCSPRINTF("/local/domain/%d/image/qmp-proxy-pid", domid); + + libxl__kill_xs_path(gc, path, "QMP Proxy"); + /* qmp-proxy for stubdom registers target_domid's QMP sockets. */ + libxl__qmp_cleanup(gc, target_domid); + } + dis->drs.ao = ao; dis->drs.domid = domid; dis->drs.callback = devices_destroy_cb; diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h index c939557b2e..41b51b07cd 100644 --- a/tools/libxl/libxl_internal.h +++ b/tools/libxl/libxl_internal.h @@ -4166,6 +4166,7 @@ typedef struct { libxl__destroy_domid_state dis; libxl__multidev multidev; libxl__xswait_state xswait; + libxl__spawn_state qmp_proxy_spawn; } libxl__stub_dm_spawn_state; _hidden void libxl__spawn_stub_dm(libxl__egc *egc, libxl__stub_dm_spawn_state*);