+#include "qemu/error-report.h"
+#include "qapi/visitor.h"
+
+static int get_cpu_index_by_dt_id(int cpu_dt_id)
+{
+ PowerPCCPU *cpu = ppc_get_vcpu_by_dt_id(cpu_dt_id);
+
+ if (cpu) {
+ return cpu->parent_obj.cpu_index;
+ }
+
+ return -1;
+}
+
+void xics_cpu_setup(XICSState *icp, PowerPCCPU *cpu)
+{
+ CPUState *cs = CPU(cpu);
+ CPUPPCState *env = &cpu->env;
+ ICPState *ss = &icp->ss[cs->cpu_index];
+ XICSStateClass *info = XICS_COMMON_GET_CLASS(icp);
+
+ assert(cs->cpu_index < icp->nr_servers);
+
+ if (info->cpu_setup) {
+ info->cpu_setup(icp, cpu);
+ }
+
+ switch (PPC_INPUT(env)) {
+ case PPC_FLAGS_INPUT_POWER7:
+ ss->output = env->irq_inputs[POWER7_INPUT_INT];
+ break;
+
+ case PPC_FLAGS_INPUT_970:
+ ss->output = env->irq_inputs[PPC970_INPUT_INT];
+ break;
+
+ default:
+ error_report("XICS interrupt controller does not support this CPU "
+ "bus model");
+ abort();
+ }
+}
+
+/*
+ * XICS Common class - parent for emulated XICS and KVM-XICS
+ */
+static void xics_common_reset(DeviceState *d)
+{
+ XICSState *icp = XICS_COMMON(d);
+ int i;
+
+ for (i = 0; i < icp->nr_servers; i++) {
+ device_reset(DEVICE(&icp->ss[i]));
+ }
+
+ device_reset(DEVICE(icp->ics));
+}
+
+static void xics_prop_get_nr_irqs(Object *obj, Visitor *v,
+ void *opaque, const char *name, Error **errp)
+{
+ XICSState *icp = XICS_COMMON(obj);
+ int64_t value = icp->nr_irqs;
+
+ visit_type_int(v, &value, name, errp);
+}
+
+static void xics_prop_set_nr_irqs(Object *obj, Visitor *v,
+ void *opaque, const char *name, Error **errp)
+{
+ XICSState *icp = XICS_COMMON(obj);
+ XICSStateClass *info = XICS_COMMON_GET_CLASS(icp);
+ Error *error = NULL;
+ int64_t value;
+
+ visit_type_int(v, &value, name, &error);
+ if (error) {
+ error_propagate(errp, error);
+ return;
+ }
+ if (icp->nr_irqs) {
+ error_setg(errp, "Number of interrupts is already set to %u",
+ icp->nr_irqs);
+ return;
+ }
+
+ assert(info->set_nr_irqs);
+ assert(icp->ics);
+ info->set_nr_irqs(icp, value, errp);
+}
+
+static void xics_prop_get_nr_servers(Object *obj, Visitor *v,
+ void *opaque, const char *name,
+ Error **errp)
+{
+ XICSState *icp = XICS_COMMON(obj);
+ int64_t value = icp->nr_servers;
+
+ visit_type_int(v, &value, name, errp);
+}
+
+static void xics_prop_set_nr_servers(Object *obj, Visitor *v,
+ void *opaque, const char *name,
+ Error **errp)
+{
+ XICSState *icp = XICS_COMMON(obj);
+ XICSStateClass *info = XICS_COMMON_GET_CLASS(icp);
+ Error *error = NULL;
+ int64_t value;
+
+ visit_type_int(v, &value, name, &error);
+ if (error) {
+ error_propagate(errp, error);
+ return;
+ }
+ if (icp->nr_servers) {
+ error_setg(errp, "Number of servers is already set to %u",
+ icp->nr_servers);
+ return;
+ }
+
+ assert(info->set_nr_servers);
+ info->set_nr_servers(icp, value, errp);
+}
+
+static void xics_common_initfn(Object *obj)
+{
+ object_property_add(obj, "nr_irqs", "int",
+ xics_prop_get_nr_irqs, xics_prop_set_nr_irqs,
+ NULL, NULL, NULL);
+ object_property_add(obj, "nr_servers", "int",
+ xics_prop_get_nr_servers, xics_prop_set_nr_servers,
+ NULL, NULL, NULL);
+}
+
+static void xics_common_class_init(ObjectClass *oc, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(oc);
+
+ dc->reset = xics_common_reset;
+}
+
+static const TypeInfo xics_common_info = {
+ .name = TYPE_XICS_COMMON,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(XICSState),
+ .class_size = sizeof(XICSStateClass),
+ .instance_init = xics_common_initfn,
+ .class_init = xics_common_class_init,
+};
projects / qemu.git / blobdiff