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Diffstat (limited to 'hw/ppc/spapr.c')
-rw-r--r--hw/ppc/spapr.c78
1 files changed, 65 insertions, 13 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 52e89afd15..c444a86a59 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -605,6 +605,16 @@ static void spapr_populate_cpu_dt(CPUState *cs, void *fdt, int offset,
size_t page_sizes_prop_size;
uint32_t vcpus_per_socket = smp_threads * smp_cores;
uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)};
+ sPAPRDRConnector *drc;
+ sPAPRDRConnectorClass *drck;
+ int drc_index;
+
+ drc = spapr_dr_connector_by_id(SPAPR_DR_CONNECTOR_TYPE_CPU, index);
+ if (drc) {
+ drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
+ drc_index = drck->get_index(drc);
+ _FDT((fdt_setprop_cell(fdt, offset, "ibm,my-drc-index", drc_index)));
+ }
/* Note: we keep CI large pages off for now because a 64K capable guest
* provisioned with large pages might otherwise try to map a qemu
@@ -1005,6 +1015,16 @@ static void spapr_finalize_fdt(sPAPRMachineState *spapr,
_FDT(spapr_drc_populate_dt(fdt, 0, NULL, SPAPR_DR_CONNECTOR_TYPE_LMB));
}
+ if (smc->dr_cpu_enabled) {
+ int offset = fdt_path_offset(fdt, "/cpus");
+ ret = spapr_drc_populate_dt(fdt, offset, NULL,
+ SPAPR_DR_CONNECTOR_TYPE_CPU);
+ if (ret < 0) {
+ error_report("Couldn't set up CPU DR device tree properties");
+ exit(1);
+ }
+ }
+
_FDT((fdt_pack(fdt)));
if (fdt_totalsize(fdt) > FDT_MAX_SIZE) {
@@ -1775,21 +1795,30 @@ static void ppc_spapr_init(MachineState *machine)
char *type = spapr_get_cpu_core_type(machine->cpu_model);
spapr->cores = g_new0(Object *, spapr_max_cores);
- for (i = 0; i < spapr_cores; i++) {
+ for (i = 0; i < spapr_max_cores; i++) {
int core_dt_id = i * smt;
- Object *core;
-
- if (!object_class_by_name(type)) {
- error_report("Unable to find sPAPR CPU Core definition");
- exit(1);
+ sPAPRDRConnector *drc =
+ spapr_dr_connector_new(OBJECT(spapr),
+ SPAPR_DR_CONNECTOR_TYPE_CPU, core_dt_id);
+
+ qemu_register_reset(spapr_drc_reset, drc);
+
+ if (i < spapr_cores) {
+ char *type = spapr_get_cpu_core_type(machine->cpu_model);
+ Object *core;
+
+ if (!object_class_by_name(type)) {
+ error_report("Unable to find sPAPR CPU Core definition");
+ exit(1);
+ }
+
+ core = object_new(type);
+ object_property_set_int(core, smp_threads, "nr-threads",
+ &error_fatal);
+ object_property_set_int(core, core_dt_id, CPU_CORE_PROP_CORE_ID,
+ &error_fatal);
+ object_property_set_bool(core, true, "realized", &error_fatal);
}
-
- core = object_new(type);
- object_property_set_int(core, smp_threads, "nr-threads",
- &error_fatal);
- object_property_set_int(core, core_dt_id, CPU_CORE_PROP_CORE_ID,
- &error_fatal);
- object_property_set_bool(core, true, "realized", &error_fatal);
}
g_free(type);
} else {
@@ -2211,6 +2240,27 @@ out:
error_propagate(errp, local_err);
}
+void *spapr_populate_hotplug_cpu_dt(CPUState *cs, int *fdt_offset,
+ sPAPRMachineState *spapr)
+{
+ PowerPCCPU *cpu = POWERPC_CPU(cs);
+ DeviceClass *dc = DEVICE_GET_CLASS(cs);
+ int id = ppc_get_vcpu_dt_id(cpu);
+ void *fdt;
+ int offset, fdt_size;
+ char *nodename;
+
+ fdt = create_device_tree(&fdt_size);
+ nodename = g_strdup_printf("%s@%x", dc->fw_name, id);
+ offset = fdt_add_subnode(fdt, 0, nodename);
+
+ spapr_populate_cpu_dt(cs, fdt, offset, spapr);
+ g_free(nodename);
+
+ *fdt_offset = offset;
+ return fdt;
+}
+
static void spapr_machine_device_plug(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
@@ -2255,6 +2305,8 @@ static void spapr_machine_device_plug(HotplugHandler *hotplug_dev,
}
spapr_memory_plug(hotplug_dev, dev, node, errp);
+ } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE)) {
+ spapr_core_plug(hotplug_dev, dev, errp);
}
}