diff options
author | Matthew Rosato <mjrosato@linux.vnet.ibm.com> | 2016-03-04 12:34:33 -0500 |
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committer | Timothy Pearson <tpearson@raptorengineering.com> | 2019-11-29 19:49:36 -0600 |
commit | 07ed2da5fab572a66a646c269a73634051d86ae6 (patch) | |
tree | 27c75a8498321b7532da3212365d8f3edcc19188 /hw/s390x | |
parent | 31e1f1a77ad0b43ce3e04abc4e9e07842ba36742 (diff) | |
download | hqemu-07ed2da5fab572a66a646c269a73634051d86ae6.zip hqemu-07ed2da5fab572a66a646c269a73634051d86ae6.tar.gz |
s390x/cpu: Add CPU property links
Link each CPUState as property machine/cpu[n] during initialization.
Add a hotplug handler to s390-virtio-ccw machine and set the
state during plug.
Signed-off-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Message-Id: <1457112875-5209-6-git-send-email-mjrosato@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'hw/s390x')
-rw-r--r-- | hw/s390x/s390-virtio-ccw.c | 34 | ||||
-rw-r--r-- | hw/s390x/s390-virtio.c | 17 |
2 files changed, 46 insertions, 5 deletions
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index b05ed8b..7fc1879 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -156,10 +156,41 @@ static void ccw_init(MachineState *machine) gtod_save, gtod_load, kvm_state); } +static void s390_cpu_plug(HotplugHandler *hotplug_dev, + DeviceState *dev, Error **errp) +{ + gchar *name; + S390CPU *cpu = S390_CPU(dev); + CPUState *cs = CPU(dev); + + name = g_strdup_printf("cpu[%i]", cpu->env.cpu_num); + object_property_set_link(OBJECT(hotplug_dev), OBJECT(cs), name, + errp); + g_free(name); +} + +static void s390_machine_device_plug(HotplugHandler *hotplug_dev, + DeviceState *dev, Error **errp) +{ + if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { + s390_cpu_plug(hotplug_dev, dev, errp); + } +} + +static HotplugHandler *s390_get_hotplug_handler(MachineState *machine, + DeviceState *dev) +{ + if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { + return HOTPLUG_HANDLER(machine); + } + return NULL; +} + static void ccw_machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); NMIClass *nc = NMI_CLASS(oc); + HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); mc->init = ccw_init; mc->reset = s390_machine_reset; @@ -171,6 +202,8 @@ static void ccw_machine_class_init(ObjectClass *oc, void *data) mc->no_sdcard = 1; mc->use_sclp = 1; mc->max_cpus = 255; + mc->get_hotplug_handler = s390_get_hotplug_handler; + hc->plug = s390_machine_device_plug; nc->nmi_monitor_handler = s390_nmi; } @@ -232,6 +265,7 @@ static const TypeInfo ccw_machine_info = { .class_init = ccw_machine_class_init, .interfaces = (InterfaceInfo[]) { { TYPE_NMI }, + { TYPE_HOTPLUG_HANDLER}, { } }, }; diff --git a/hw/s390x/s390-virtio.c b/hw/s390x/s390-virtio.c index 57c3c88..f00d6b4 100644 --- a/hw/s390x/s390-virtio.c +++ b/hw/s390x/s390-virtio.c @@ -97,6 +97,7 @@ void s390_init_ipl_dev(const char *kernel_filename, void s390_init_cpus(MachineState *machine) { int i; + gchar *name; if (machine->cpu_model == NULL) { machine->cpu_model = "host"; @@ -104,12 +105,18 @@ void s390_init_cpus(MachineState *machine) cpu_states = g_malloc0(sizeof(S390CPU *) * max_cpus); - for (i = 0; i < smp_cpus; i++) { - S390CPU *cpu; - - cpu = cpu_s390x_init(machine->cpu_model); + for (i = 0; i < max_cpus; i++) { + name = g_strdup_printf("cpu[%i]", i); + object_property_add_link(OBJECT(machine), name, TYPE_S390_CPU, + (Object **) &cpu_states[i], + object_property_allow_set_link, + OBJ_PROP_LINK_UNREF_ON_RELEASE, + &error_abort); + g_free(name); + } - cpu_states[i] = cpu; + for (i = 0; i < smp_cpus; i++) { + cpu_s390x_init(machine->cpu_model); } } |