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libvirt/m4/virt-driver-libxl.m4
Marek Marczykowski-Górecki aca7ff5f70 libxl: add support for PVH
Since this is something between PV and HVM, it makes sense to put the
setting in place where domain type is specified.
To enable it, use <os><type machine="xenpvh">xenpvh</type></os>. It is
also included in capabilities.xml, for every supported HVM guest type - it
doesn't seems to be any other requirement (besides new enough Xen).

Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
2018-11-26 16:31:21 -07:00

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dnl The libxl driver
dnl
dnl Copyright (C) 2016 Red Hat, Inc.
dnl
dnl This library is free software; you can redistribute it and/or
dnl modify it under the terms of the GNU Lesser General Public
dnl License as published by the Free Software Foundation; either
dnl version 2.1 of the License, or (at your option) any later version.
dnl
dnl This library is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
dnl Lesser General Public License for more details.
dnl
dnl You should have received a copy of the GNU Lesser General Public
dnl License along with this library. If not, see
dnl <http://www.gnu.org/licenses/>.
dnl
AC_DEFUN([LIBVIRT_DRIVER_ARG_LIBXL], [
LIBVIRT_ARG_WITH_FEATURE([LIBXL], [libxenlight], [check])
])
AC_DEFUN([LIBVIRT_DRIVER_CHECK_LIBXL], [
LIBXL_LIBS=""
LIBXL_CFLAGS=""
LIBXL_FIRMWARE_DIR=""
LIBXL_EXECBIN_DIR=""
LIBXL_API_VERSION="-DLIBXL_API_VERSION=0x040500"
dnl search for libxl, aka libxenlight
old_with_libxl="$with_libxl"
LIBVIRT_CHECK_PKG([LIBXL], [xenlight], [4.6.0], [true])
if test "x$with_libxl" = "xyes" ; then
LIBXL_FIRMWARE_DIR=$($PKG_CONFIG --variable xenfirmwaredir xenlight)
LIBXL_EXECBIN_DIR=$($PKG_CONFIG --variable libexec_bin xenlight)
fi
dnl In Fedora <= 28, the xenlight pkgconfig file is in the -runtime package
dnl https://bugzilla.redhat.com/show_bug.cgi?id=1629643
dnl Until Fedora 28 reaches EOL, fallback to lib probe if xenlight.pc is
dnl not found
if test "x$with_libxl" = "xno" ; then
with_libxl="$old_with_libxl"
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $LIBXL_API_VERSION"
LIBVIRT_CHECK_LIB([LIBXL], [xenlight], [libxl_cpupool_cpuadd_cpumap], [libxl.h], [fail="1"])
CFLAGS="$save_CFLAGS"
if test $fail = 1; then
AC_MSG_ERROR([You must install the libxl Library from Xen >= 4.6 to compile libxenlight driver with -lxl])
fi
fi
if test "$with_libxl" = "yes"; then
LIBXL_CFLAGS="$LIBXL_CFLAGS $LIBXL_API_VERSION"
dnl If building with libxl, use the libxl utility header and lib too
AC_CHECK_HEADERS([libxlutil.h])
LIBXL_LIBS="$LIBXL_LIBS -lxlutil"
if test "x$LIBXL_FIRMWARE_DIR" != "x"; then
AC_DEFINE_UNQUOTED([LIBXL_FIRMWARE_DIR], ["$LIBXL_FIRMWARE_DIR"], [directory containing Xen firmware blobs])
fi
if test "x$LIBXL_EXECBIN_DIR" != "x"; then
AC_DEFINE_UNQUOTED([LIBXL_EXECBIN_DIR], ["$LIBXL_EXECBIN_DIR"], [directory containing Xen libexec binaries])
fi
dnl Check if the xtl_* infrastructure is in libxentoollog
dnl (since Xen 4.7) if not then assume it is in libxenctrl
dnl (as it was for 4.6 and earler)
AC_CHECK_LIB([xentoollog], [xtl_createlogger_stdiostream], [
LIBXL_LIBS="$LIBXL_LIBS -lxenstore -lxentoollog"
],[
LIBXL_LIBS="$LIBXL_LIBS -lxenstore -lxenctrl"
])
fi
dnl Check if Xen has support for PVH
AC_CHECK_DECL(LIBXL_DOMAIN_TYPE_PVH, [AC_DEFINE([HAVE_XEN_PVH], [1], [Define to 1 if Xen has PVH support.])], [], [#include <libxl.h>])
AC_SUBST([LIBXL_CFLAGS])
AC_SUBST([LIBXL_LIBS])
])
AC_DEFUN([LIBVIRT_RESULT_LIBXL], [
LIBVIRT_RESULT_LIB([LIBXL])
])
AC_DEFUN([LIBVIRT_DRIVER_RESULT_LIBXL], [
LIBVIRT_RESULT([libxl], [$with_libxl])
])