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s390x/ipl: make s390x ipl device aware of migration 

We have to migrate the reipl parameters, so a reboot on the migrated machine
will behave just like on the origin. Otherwise, the reipl parameters configured
by the guest would be lost.

Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Fan Zhang <zhangfan@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Fan Zhang 2015-02-12 18:02:16 +01:00 committed by Christian Borntraeger
parent e91e972ccf
commit 2e13fbe42d
1 changed files with 28 additions and 0 deletions
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28
hw/s390x/ipl.c
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@ -67,6 +67,33 @@ typedef struct S390IPLState {
uint16_t devno;
} S390IPLState;
static const VMStateDescription vmstate_iplb = {
.name = "ipl/iplb",
.version_id = 0,
.minimum_version_id = 0,
.fields = (VMStateField[]) {
VMSTATE_UINT8_ARRAY(reserved1, IplParameterBlock, 110),
VMSTATE_UINT16(devno, IplParameterBlock),
VMSTATE_UINT8_ARRAY(reserved2, IplParameterBlock, 88),
VMSTATE_END_OF_LIST()
}
};
static const VMStateDescription vmstate_ipl = {
.name = "ipl",
.version_id = 0,
.minimum_version_id = 0,
.fields = (VMStateField[]) {
VMSTATE_UINT64(start_addr, S390IPLState),
VMSTATE_UINT64(bios_start_addr, S390IPLState),
VMSTATE_STRUCT(iplb, S390IPLState, 0, vmstate_iplb, IplParameterBlock),
VMSTATE_BOOL(iplb_valid, S390IPLState),
VMSTATE_UINT8(cssid, S390IPLState),
VMSTATE_UINT8(ssid, S390IPLState),
VMSTATE_UINT16(devno, S390IPLState),
VMSTATE_END_OF_LIST()
}
};
static int s390_ipl_init(SysBusDevice *dev)
{
@ -273,6 +300,7 @@ static void s390_ipl_class_init(ObjectClass *klass, void *data)
k->init = s390_ipl_init;
dc->props = s390_ipl_properties;
dc->reset = s390_ipl_reset;
dc->vmsd = &vmstate_ipl;
}
static const TypeInfo s390_ipl_info = {