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pseries: savevm support for VIO devices

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This patch adds helpers to allow PAPR VIO devices to save state common
to all VIO devices during savevm.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1374175984-8930-3-git-send-email-aliguori@us.ibm.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
David Gibson 2013-07-18 14:32:55 -05:00 committed by Anthony Liguori
parent a90db1584a
commit b368a7d864
2 changed files with 25 additions and 0 deletions
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20
hw/ppc/spapr_vio.c
View File

@ -542,6 +542,26 @@ static const TypeInfo spapr_vio_bridge_info = {
.class_init = spapr_vio_bridge_class_init,
};
const VMStateDescription vmstate_spapr_vio = {
.name = "spapr_vio",
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
.fields = (VMStateField []) {
/* Sanity check */
VMSTATE_UINT32_EQUAL(reg, VIOsPAPRDevice),
VMSTATE_UINT32_EQUAL(irq, VIOsPAPRDevice),
/* General VIO device state */
VMSTATE_UINTTL(signal_state, VIOsPAPRDevice),
VMSTATE_UINT64(crq.qladdr, VIOsPAPRDevice),
VMSTATE_UINT32(crq.qsize, VIOsPAPRDevice),
VMSTATE_UINT32(crq.qnext, VIOsPAPRDevice),
VMSTATE_END_OF_LIST()
},
};
static void vio_spapr_device_class_init(ObjectClass *klass, void *data)
{
DeviceClass *k = DEVICE_CLASS(klass);

5
include/hw/ppc/spapr_vio.h
View File

@ -134,4 +134,9 @@ VIOsPAPRDevice *spapr_vty_get_default(VIOsPAPRBus *bus);
void spapr_vio_quiesce(void);
extern const VMStateDescription vmstate_spapr_vio;
#define VMSTATE_SPAPR_VIO(_f, _s) \
VMSTATE_STRUCT(_f, _s, 0, vmstate_spapr_vio, VIOsPAPRDevice)
#endif /* _HW_SPAPR_VIO_H */