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hw/s390x: support migration of CPI data

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Register Control-Program Identification data with the live
migration infrastructure.

Signed-off-by: Shalini Chellathurai Saroja <shalini@linux.ibm.com>
Reviewed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20250616140107.990538-4-shalini@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Shalini Chellathurai Saroja 2025-06-16 16:01:07 +02:00 • committed by Thomas Huth
parent f345978f24
commit c61927ba8e
1 changed files with 15 additions and 0 deletions
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15
hw/s390x/sclpcpi.c
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@ -54,6 +54,7 @@
#include "hw/s390x/event-facility.h"
#include "hw/s390x/ebcdic.h"
#include "qapi/qapi-visit-machine.h"
#include "migration/vmstate.h"
typedef struct Data {
uint8_t id_format;
@ -145,12 +146,26 @@ static void get_timestamp(Object *obj, Visitor *v, const char *name,
visit_type_uint64(v, name, &e->timestamp, errp);
}
static const VMStateDescription vmstate_sclpcpi = {
.name = "s390_control_program_id",
.version_id = 0,
.fields = (const VMStateField[]) {
VMSTATE_UINT8_ARRAY(system_type, SCLPEventCPI, 8),
VMSTATE_UINT8_ARRAY(system_name, SCLPEventCPI, 8),
VMSTATE_UINT64(system_level, SCLPEventCPI),
VMSTATE_UINT8_ARRAY(sysplex_name, SCLPEventCPI, 8),
VMSTATE_UINT64(timestamp, SCLPEventCPI),
VMSTATE_END_OF_LIST()
}
};
static void cpi_class_init(ObjectClass *klass, const void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
SCLPEventClass *k = SCLP_EVENT_CLASS(klass);
dc->user_creatable = false;
dc->vmsd = &vmstate_sclpcpi;
k->can_handle_event = can_handle_event;
k->get_send_mask = send_mask;