@@ -331,6 +331,24 @@ static const VMStateDescription vmstate_memhp_state = {
}
};
+static bool cpuhp_needed(void *opaque)
+{
+ MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
+
+ return mc->has_hotpluggable_cpus;
+}
+
+static const VMStateDescription vmstate_cpuhp_state = {
+ .name = "acpi-ged/cpuhp",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = cpuhp_needed,
+ .fields = (VMStateField[]) {
+ VMSTATE_CPU_HOTPLUG(cpuhp_state, AcpiGedState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
static const VMStateDescription vmstate_ged_state = {
.name = "acpi-ged-state",
.version_id = 1,
@@ -379,6 +397,7 @@ static const VMStateDescription vmstate_acpi_ged = {
},
.subsections = (const VMStateDescription * const []) {
&vmstate_memhp_state,
+ &vmstate_cpuhp_state,
&vmstate_ghes_state,
NULL
}
The ACPI CPU hotplug states must be migrated along with other vCPU hotplug states to the destination VM. Update the GED's VM State Description (VMSD) table subsection to conditionally include the CPU Hotplug VM State Description (VMSD). Excerpt of GED VMSD State Dump at Source: "acpi-ged (16)": { "ged_state": { "sel": "0x00000000" }, [...] "acpi-ged/cpuhp": { "cpuhp_state": { "selector": "0x00000005", "command": "0x00", "devs": [ { "is_inserting": false, "is_removing": false, "ost_event": "0x00000000", "ost_status": "0x00000000" }, [...] { "is_inserting": false, "is_removing": false, "ost_event": "0x00000000", "ost_status": "0x00000000" } ] } } }, Signed-off-by: Salil Mehta <salil.mehta@huawei.com> --- hw/acpi/generic_event_device.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)