mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-08-30 12:31:16 +00:00
virHostValidateGetCPUFlags returns an allocated virBitmap and
it needs to be freed.
Fixes: a0ec7165e3
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Kristína Hanicová <khanicov@redhat.com>
85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/*
|
|
* virt-host-validate-ch.c: Sanity check a CH hypervisor host
|
|
*
|
|
* Copyright Microsoft Corp. 2020-2021
|
|
*
|
|
* 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, see
|
|
* <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include "virarch.h"
|
|
#include "virbitmap.h"
|
|
#include "virt-host-validate-ch.h"
|
|
#include "virt-host-validate-common.h"
|
|
|
|
int virHostValidateCh(void)
|
|
{
|
|
int ret = 0;
|
|
g_autoptr(virBitmap) flags = NULL;
|
|
bool hasHwVirt = false;
|
|
bool hasVirtFlag = false;
|
|
virArch arch = virArchFromHost();
|
|
const char *kvmhint =
|
|
_("Check that CPU and firmware supports virtualization "
|
|
"and kvm module is loaded");
|
|
|
|
if (!(flags = virHostValidateGetCPUFlags()))
|
|
return -1;
|
|
|
|
/* Cloud-Hypervisor only supports x86_64 and aarch64 */
|
|
switch ((int)arch) {
|
|
case VIR_ARCH_X86_64:
|
|
hasVirtFlag = true;
|
|
kvmhint = _("Check that the 'kvm-intel' or 'kvm-amd' modules are "
|
|
"loaded & the BIOS has enabled virtualization");
|
|
if (virBitmapIsBitSet(flags, VIR_HOST_VALIDATE_CPU_FLAG_SVM) ||
|
|
virBitmapIsBitSet(flags, VIR_HOST_VALIDATE_CPU_FLAG_VMX))
|
|
hasHwVirt = true;
|
|
break;
|
|
case VIR_ARCH_AARCH64:
|
|
hasVirtFlag = true;
|
|
hasHwVirt = true;
|
|
break;
|
|
default:
|
|
hasHwVirt = false;
|
|
break;
|
|
}
|
|
|
|
if (hasVirtFlag) {
|
|
virHostMsgCheck("CH", "%s", _("for hardware virtualization"));
|
|
if (hasHwVirt) {
|
|
virHostMsgPass();
|
|
} else {
|
|
virHostMsgFail(VIR_HOST_VALIDATE_FAIL,
|
|
_("Only emulated CPUs are available, performance will be "
|
|
"significantly limited"));
|
|
ret = -1;
|
|
}
|
|
}
|
|
|
|
if (hasHwVirt || !hasVirtFlag) {
|
|
if (virHostValidateDeviceExists("CH", "/dev/kvm", VIR_HOST_VALIDATE_FAIL,
|
|
kvmhint) < 0)
|
|
ret = -1;
|
|
else if (virHostValidateDeviceAccessible("CH", "/dev/kvm", VIR_HOST_VALIDATE_FAIL,
|
|
_("Check /dev/kvm is world writable or you are in "
|
|
"a group that is allowed to access it")) < 0)
|
|
ret = -1;
|
|
}
|
|
|
|
return ret;
|
|
}
|