mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-10-13 17:49:16 +00:00
2b0251af68
Add dbusVMStates to keep a list of dbus-vmstate objects needed for migration. They are populated on the command line during start or qemuDBusVMStateAdd/Remove() will hotplug them as needed. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/*
|
|
* qemu_dbus.c: QEMU DBus-related helpers
|
|
*
|
|
* 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 "qemu_extdevice.h"
|
|
#include "qemu_dbus.h"
|
|
#include "qemu_hotplug.h"
|
|
#include "qemu_security.h"
|
|
|
|
#include "viralloc.h"
|
|
#include "virlog.h"
|
|
#include "virstring.h"
|
|
#include "virtime.h"
|
|
#include "virpidfile.h"
|
|
|
|
#define VIR_FROM_THIS VIR_FROM_QEMU
|
|
|
|
VIR_LOG_INIT("qemu.dbus");
|
|
|
|
|
|
qemuDBusVMStatePtr
|
|
qemuDBusVMStateNew(const char *id, const char *addr)
|
|
{
|
|
VIR_AUTOPTR(qemuDBusVMState) self = NULL;
|
|
|
|
if (VIR_ALLOC(self) < 0)
|
|
return NULL;
|
|
|
|
if (VIR_STRDUP(self->id, id) < 0)
|
|
return NULL;
|
|
|
|
if (VIR_STRDUP(self->addr, addr) < 0)
|
|
return NULL;
|
|
|
|
VIR_RETURN_PTR(self);
|
|
}
|
|
|
|
|
|
void
|
|
qemuDBusVMStateFree(qemuDBusVMStatePtr self)
|
|
{
|
|
if (!self)
|
|
return;
|
|
|
|
VIR_FREE(self->id);
|
|
VIR_FREE(self->addr);
|
|
VIR_FREE(self);
|
|
}
|
|
|
|
|
|
int
|
|
qemuDBusVMStateAdd(virQEMUDriverPtr driver, virDomainObjPtr vm,
|
|
const char *id, const char *addr, bool hot)
|
|
{
|
|
qemuDBusVMStatePtr d = qemuDBusVMStateNew(id, addr);
|
|
qemuDomainObjPrivatePtr priv = vm->privateData;
|
|
|
|
if (virHashAddEntry(priv->dbusVMStates, id, d) < 0) {
|
|
qemuDBusVMStateFree(d);
|
|
return -1;
|
|
}
|
|
|
|
if (hot && virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DBUS_VMSTATE) &&
|
|
qemuDomainAttachDBusVMState(driver, vm, id, addr, QEMU_ASYNC_JOB_NONE) < 0)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
void
|
|
qemuDBusVMStateRemove(virQEMUDriverPtr driver, virDomainObjPtr vm,
|
|
const char *id, bool hot)
|
|
{
|
|
qemuDomainObjPrivatePtr priv = vm->privateData;
|
|
|
|
if (virHashRemoveEntry(priv->dbusVMStates, id) < 0 ||
|
|
(hot && virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DBUS_VMSTATE) &&
|
|
qemuDomainDetachDBusVMState(driver, vm, id, QEMU_ASYNC_JOB_NONE) < 0))
|
|
VIR_ERROR(_("Failed to remove vmstate id '%s'"), vm->def->name);
|
|
}
|