libvirt/tools/virt-host-validate-qemu.c

58 lines
2.1 KiB
C

/*
* virt-host-validate-qemu.c: Sanity check a QEMU hypervisor host
*
* Copyright (C) 2012 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <config.h>
#include "virt-host-validate-qemu.h"
#include "virt-host-validate-common.h"
int virHostValidateQEMU(void)
{
int ret = 0;
virHostMsgCheck("QEMU", "%s", ("for hardware virtualization"));
if (virHostValidateHasCPUFlag("svm") ||
virHostValidateHasCPUFlag("vmx")) {
virHostMsgPass();
if (virHostValidateDevice("QEMU", "/dev/kvm",
VIR_HOST_VALIDATE_FAIL,
_("Check that the 'kvm-intel' or 'kvm-amd' modules are "
"loaded & the BIOS has enabled virtualization")) < 0)
ret = -1;
} else {
virHostMsgFail(VIR_HOST_VALIDATE_WARN,
_("Only emulated CPUs are available, performance will be significantly limited"));
}
if (virHostValidateDevice("QEMU", "/dev/vhost-net",
VIR_HOST_VALIDATE_WARN,
_("Load the 'vhost_net' module to improve performance "
"of virtio networking")) < 0)
ret = -1;
if (virHostValidateDevice("QEMU", "/dev/net/tun",
VIR_HOST_VALIDATE_FAIL,
_("Load the 'tun' module to enable networking for QEMU guests")) < 0)
ret = -1;
return ret;
}