static void spapr_cpu_core_realize_child(Object *child,
sPAPRMachineState *spapr, Error **errp)
{
Error *local_err = NULL;
CPUState *cs = CPU(child);
PowerPCCPU *cpu = POWERPC_CPU(cs);
object_property_set_bool(child, true, "realized", &local_err);
if (local_err) {
goto error;
}
spapr_cpu_init(spapr, cpu, &local_err);
if (local_err) {
goto error;
}
cpu->intc = icp_create(child, spapr->icp_type, XICS_FABRIC(spapr),
&local_err);
if (local_err) {
goto error;
}
return;
error:
error_propagate(errp, local_err);
}
static void rtas_set_xive(PowerPCCPU *cpu, sPAPRMachineState *spapr,
uint32_t token,
uint32_t nargs, target_ulong args,
uint32_t nret, target_ulong rets)
{
ICSState *ics = spapr->ics;
uint32_t nr, srcno, server, priority;
if ((nargs != 3) || (nret != 1)) {
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
if (!ics) {
rtas_st(rets, 0, RTAS_OUT_HW_ERROR);
return;
}
nr = rtas_ld(args, 0);
server = rtas_ld(args, 1);
priority = rtas_ld(args, 2);
if (!ics_valid_irq(ics, nr) || !xics_icp_get(XICS_FABRIC(spapr), server)
|| (priority > 0xff)) {
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
srcno = nr - ics->offset;
ics_simple_write_xive(ics, srcno, server, priority, priority);
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
}
static void icp_realize(DeviceState *dev, Error **errp)
{
ICPState *icp = ICP(dev);
PowerPCCPU *cpu;
CPUPPCState *env;
Object *obj;
Error *err = NULL;
obj = object_property_get_link(OBJECT(dev), ICP_PROP_XICS, &err);
if (!obj) {
error_propagate_prepend(errp, err,
"required link '" ICP_PROP_XICS
"' not found: ");
return;
}
icp->xics = XICS_FABRIC(obj);
obj = object_property_get_link(OBJECT(dev), ICP_PROP_CPU, &err);
if (!obj) {
error_propagate_prepend(errp, err,
"required link '" ICP_PROP_CPU
"' not found: ");
return;
}
cpu = POWERPC_CPU(obj);
icp->cs = CPU(obj);
env = &cpu->env;
switch (PPC_INPUT(env)) {
case PPC_FLAGS_INPUT_POWER7:
icp->output = env->irq_inputs[POWER7_INPUT_INT];
break;
case PPC_FLAGS_INPUT_POWER9: /* For SPAPR xics emulation */
icp->output = env->irq_inputs[POWER9_INPUT_INT];
break;
case PPC_FLAGS_INPUT_970:
icp->output = env->irq_inputs[PPC970_INPUT_INT];
break;
default:
error_setg(errp, "XICS interrupt controller does not support this CPU bus model");
return;
}
if (kvm_irqchip_in_kernel()) {
icp_kvm_realize(dev, &err);
if (err) {
error_propagate(errp, err);
return;
}
}
qemu_register_reset(icp_reset_handler, dev);
vmstate_register(NULL, icp->cs->cpu_index, &vmstate_icp_server, icp);
}
static target_ulong h_ipi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
target_ulong opcode, target_ulong *args)
{
target_ulong mfrr = args[1];
ICPState *icp = xics_icp_get(XICS_FABRIC(spapr), args[0]);
if (!icp) {
return H_PARAMETER;
}
icp_set_mfrr(icp, mfrr);
return H_SUCCESS;
}
static void icp_realize(DeviceState *dev, Error **errp)
{
ICPState *icp = ICP(dev);
Object *obj;
Error *err = NULL;
obj = object_property_get_link(OBJECT(dev), "xics", &err);
if (!obj) {
error_setg(errp, "%s: required link 'xics' not found: %s",
__func__, error_get_pretty(err));
return;
}
icp->xics = XICS_FABRIC(obj);
qemu_register_reset(icp_reset, dev);
}
static void ics_base_realize(DeviceState *dev, Error **errp)
{
ICSStateClass *icsc = ICS_BASE_GET_CLASS(dev);
ICSState *ics = ICS_BASE(dev);
Object *obj;
Error *err = NULL;
obj = object_property_get_link(OBJECT(dev), "xics", &err);
if (!obj) {
error_setg(errp, "%s: required link 'xics' not found: %s",
__func__, error_get_pretty(err));
return;
}
ics->xics = XICS_FABRIC(obj);
if (icsc->realize) {
icsc->realize(dev, errp);
}
}
static void ics_base_realize(DeviceState *dev, Error **errp)
{
ICSState *ics = ICS_BASE(dev);
Object *obj;
Error *err = NULL;
obj = object_property_get_link(OBJECT(dev), ICS_PROP_XICS, &err);
if (!obj) {
error_propagate_prepend(errp, err,
"required link '" ICS_PROP_XICS
"' not found: ");
return;
}
ics->xics = XICS_FABRIC(obj);
if (!ics->nr_irqs) {
error_setg(errp, "Number of interrupts needs to be greater 0");
return;
}
ics->irqs = g_malloc0(ics->nr_irqs * sizeof(ICSIRQState));
}
static Object *spapr_irq_cpu_intc_create_xics(sPAPRMachineState *spapr,
Object *cpu, Error **errp)
{
return icp_create(cpu, spapr->icp_type, XICS_FABRIC(spapr), errp);
}