static void rtas_set_xive(struct kvm_cpu *vcpu, uint32_t token,
uint32_t nargs, target_ulong args,
uint32_t nret, target_ulong rets)
{
struct ics_state *ics = vcpu->kvm->icp->ics;
uint32_t nr, server, priority;
if ((nargs != 3) || (nret != 1)) {
rtas_st(vcpu->kvm, rets, 0, -3);
return;
}
nr = rtas_ld(vcpu->kvm, args, 0);
server = rtas_ld(vcpu->kvm, args, 1);
priority = rtas_ld(vcpu->kvm, args, 2);
xics_dprintf("rtas_set_xive(%x,%x,%x)\n", nr, server, priority);
if (!ics_valid_irq(ics, nr) || (server >= ics->icp->nr_servers)
|| (priority > 0xff)) {
rtas_st(vcpu->kvm, rets, 0, -3);
return;
}
ics_write_xive_msi(ics, nr, server, priority);
rtas_st(vcpu->kvm, rets, 0, 0); /* Success */
}
static void rtas_int_on(sPAPREnvironment *spapr, uint32_t token,
uint32_t nargs, target_ulong args,
uint32_t nret, target_ulong rets)
{
struct ics_state *ics = spapr->icp->ics;
uint32_t nr;
if ((nargs != 1) || (nret != 1)) {
rtas_st(rets, 0, -3);
return;
}
nr = rtas_ld(args, 0);
if (!ics_valid_irq(ics, nr)) {
rtas_st(rets, 0, -3);
return;
}
/* This is a NOP for now, since the described PAPR semantics don't
* seem to gel with what Linux does */
#if 0
struct ics_irq_state *irq = xics->irqs + (nr - xics->offset);
ics_write_xive_msi(xics, nr, irq->server, irq->saved_priority);
#endif
rtas_st(rets, 0, 0); /* Success */
}