int
sock_send_wakeup(int purpose)
{
if (accept_if_needed(purpose) != -1)
return send_wakeup(purpose_table[purpose]);
return -1;
}
void domain_wake_from_s3(struct domain *d)
{
unsigned long s_state = 0;
int handle;
if (!d)
return;
if (!d->is_in_s3) return;
if (host_pmop_in_progress()) {
info("NOT resuming domain %d from S3 - host power operation in progress");
return;
}
info("Resuming domain %d from S3", d->domid);
if (xc_handle != NULL)
{
xc_get_hvm_param(xc_handle, d->domid, HVM_PARAM_ACPI_S_STATE, &s_state);
if (s_state == 3)
xc_set_hvm_param(xc_handle, d->domid, HVM_PARAM_ACPI_S_STATE, 0);
d->is_in_s3 = 0;
d->sstate = 5;
send_wakeup(d);
} else {
error("Failed to open xen control interface");
}
// Waking up a PVM from S3 will trigger the PVM guest driver to re-initialize
// the graphic device. Therefore, we might as well switch directly to it since
// it is displayable until we find a way to recover the device once put in S3.
if (d->is_pvm) {
switcher_switch(d, 0, 0);
}
}
