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[Qemu-devel] [PATCH] xen-pvdevice: Introduce a simplistic xen-pvdevice s
From: |
Igor Druzhinin |
Subject: |
[Qemu-devel] [PATCH] xen-pvdevice: Introduce a simplistic xen-pvdevice save state |
Date: |
Thu, 8 Mar 2018 12:52:31 +0000 |
This should help to avoid problems with accessing the device after
migration/resume without PV drivers. Older systems will acquire
the new record when migrated which should not change their state for
worse.
Signed-off-by: Igor Druzhinin <address@hidden>
---
hw/i386/xen/xen_pvdevice.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/hw/i386/xen/xen_pvdevice.c b/hw/i386/xen/xen_pvdevice.c
index c093b34..ef22a03 100644
--- a/hw/i386/xen/xen_pvdevice.c
+++ b/hw/i386/xen/xen_pvdevice.c
@@ -71,6 +71,16 @@ static const MemoryRegionOps xen_pv_mmio_ops = {
.endianness = DEVICE_LITTLE_ENDIAN,
};
+static const VMStateDescription vmstate_xen_pvdevice = {
+ .name = "xen-pvdevice",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_PCI_DEVICE(parent_obj, XenPVDevice),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
static void xen_pv_realize(PCIDevice *pci_dev, Error **errp)
{
XenPVDevice *d = XEN_PV_DEVICE(pci_dev);
@@ -120,6 +130,7 @@ static void xen_pv_class_init(ObjectClass *klass, void
*data)
k->class_id = PCI_CLASS_SYSTEM_OTHER;
dc->desc = "Xen PV Device";
dc->props = xen_pv_props;
+ dc->vmsd = &vmstate_xen_pvdevice;
}
static const TypeInfo xen_pv_type_info = {
--
2.7.4
- [Qemu-devel] [PATCH] xen-pvdevice: Introduce a simplistic xen-pvdevice save state,
Igor Druzhinin <=