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ipmi: Add migration capability to the IPMI devices.

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Signed-off-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Corey Minyard 2015-12-17 12:50:11 -06:00 • committed by Michael S. Tsirkin
parent f8490451ac
commit bd66bcfca5
4 changed files with 114 additions and 0 deletions
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34
hw/ipmi/ipmi_bmc_extern.c
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@ -439,11 +439,45 @@ static void ipmi_bmc_extern_realize(DeviceState *dev, Error **errp)
qemu_chr_add_handlers(ibe->chr, can_receive, receive, chr_event, ibe);
}
static int ipmi_bmc_extern_post_migrate(void *opaque, int version_id)
{
IPMIBmcExtern *ibe = opaque;
/*
* We don't directly restore waiting_rsp, Instead, we return an
* error on the interface if a response was being waited for.
*/
if (ibe->waiting_rsp) {
IPMIInterface *ii = ibe->parent.intf;
IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
ibe->waiting_rsp = false;
ibe->inbuf[1] = ibe->outbuf[1] | 0x04;
ibe->inbuf[2] = ibe->outbuf[2];
ibe->inbuf[3] = IPMI_CC_BMC_INIT_IN_PROGRESS;
iic->handle_rsp(ii, ibe->outbuf[0], ibe->inbuf + 1, 3);
}
return 0;
}
static const VMStateDescription vmstate_ipmi_bmc_extern = {
.name = TYPE_IPMI_BMC_EXTERN,
.version_id = 1,
.minimum_version_id = 1,
.post_load = ipmi_bmc_extern_post_migrate,
.fields = (VMStateField[]) {
VMSTATE_BOOL(send_reset, IPMIBmcExtern),
VMSTATE_BOOL(waiting_rsp, IPMIBmcExtern),
VMSTATE_END_OF_LIST()
}
};
static void ipmi_bmc_extern_init(Object *obj)
{
IPMIBmcExtern *ibe = IPMI_BMC_EXTERN(obj);
ibe->extern_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, extern_timeout, ibe);
vmstate_register(NULL, 0, &vmstate_ipmi_bmc_extern, ibe);
}
static Property ipmi_bmc_extern_properties[] = {