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[Qemu-devel] [RFC PATCH v0 7/8] qmp: Implement query cpu-packages
From: |
Bharata B Rao |
Subject: |
[Qemu-devel] [RFC PATCH v0 7/8] qmp: Implement query cpu-packages |
Date: |
Mon, 22 Feb 2016 10:31:24 +0530 |
Signed-off-by: Bharata B Rao <address@hidden>
---
hw/cpu/package.c | 19 +++++++++++++
hw/ppc/spapr.c | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++
include/hw/boards.h | 1 +
qapi-schema.json | 48 ++++++++++++++++++++++++++++++++
4 files changed, 147 insertions(+)
diff --git a/hw/cpu/package.c b/hw/cpu/package.c
index 259dbfa..4ff20fa 100644
--- a/hw/cpu/package.c
+++ b/hw/cpu/package.c
@@ -7,7 +7,26 @@
* See the COPYING file in the top-level directory.
*/
#include "hw/cpu/package.h"
+#include "hw/boards.h"
#include "qom/object_interfaces.h"
+#include "qmp-commands.h"
+#include "qapi/qmp/qerror.h"
+
+/*
+ * QMP: query cpu-pacakges
+ */
+CPUPackageInfoList *qmp_query_cpu_packages(Error **errp)
+{
+ MachineState *ms = MACHINE(qdev_get_machine());
+ MachineClass *mc = MACHINE_GET_CLASS(ms);
+
+ if (!mc->cpu_packages) {
+ error_setg(errp, QERR_UNSUPPORTED);
+ return NULL;
+ }
+
+ return mc->cpu_packages(ms);
+}
Object *cpu_package_create_object(const char *typename, uint32_t index,
Error **errp)
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 0bbbaf8..147b9d1 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -2441,6 +2441,84 @@ static unsigned spapr_cpu_index_to_socket_id(unsigned
cpu_index)
return cpu_index / smp_threads / smp_cores;
}
+static int spapr_cpuinfo_list(Object *obj, void *opaque)
+{
+ MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
+ CPUInfoList ***prev = opaque;
+
+ if (object_dynamic_cast(obj, TYPE_CPU)) {
+ CPUInfoList *elem = g_new0(CPUInfoList, 1);
+ CPUInfo *s = g_new0(CPUInfo, 1);
+ CPUState *cpu = CPU(obj);
+ PowerPCCPU *pcpu = POWERPC_CPU(cpu);
+
+ s->arch_id = ppc_get_vcpu_dt_id(pcpu);
+ s->type = g_strdup(object_get_typename(obj));
+ s->thread = cpu->cpu_index;
+ s->has_thread = true;
+ s->core = cpu->cpu_index / smp_threads;
+ s->has_core = true;
+ if (mc->cpu_index_to_socket_id) {
+ s->socket = mc->cpu_index_to_socket_id(cpu->cpu_index);
+ } else {
+ s->socket = cpu->cpu_index / smp_threads / smp_cores;
+ }
+ s->has_socket = true;
+ s->node = cpu->numa_node;
+ s->has_node = true;
+ s->qom_path = object_get_canonical_path(obj);
+
+ elem->value = s;
+ elem->next = NULL;
+ **prev = elem;
+ *prev = &elem->next;
+ }
+ object_child_foreach(obj, spapr_cpuinfo_list, opaque);
+ return 0;
+}
+
+static int spapr_cpu_packageinfo_list(Object *obj, void *opaque)
+{
+ CPUPackageInfoList ***prev = opaque;
+
+ if (object_dynamic_cast(obj, TYPE_CPU_PACKAGE)) {
+ DeviceState *dev = DEVICE(obj);
+ CPUPackageInfoList *elem = g_new0(CPUPackageInfoList, 1);
+ CPUPackageInfo *s = g_new0(CPUPackageInfo, 1);
+ CPUInfoList *cpu_head = NULL;
+ CPUInfoList **cpu_prev = &cpu_head;
+
+ if (dev->id) {
+ s->has_id = true;
+ s->id = g_strdup(dev->id);
+ }
+ s->realized = object_property_get_bool(obj, "realized", NULL);
+ s->nr_cpus = smp_threads;
+ s->qom_path = object_get_canonical_path(obj);
+ s->type = g_strdup(TYPE_SPAPR_CPU_PACKAGE);
+ if (s->realized) {
+ spapr_cpuinfo_list(obj, &cpu_prev);
+ }
+ s->cpus = cpu_head;
+ elem->value = s;
+ elem->next = NULL;
+ **prev = elem;
+ *prev = &elem->next;
+ }
+
+ object_child_foreach(obj, spapr_cpu_packageinfo_list, opaque);
+ return 0;
+}
+
+static CPUPackageInfoList *spapr_cpu_packages(MachineState *machine)
+{
+ CPUPackageInfoList *head = NULL;
+ CPUPackageInfoList **prev = &head;
+
+ spapr_cpu_packageinfo_list(qdev_get_machine(), &prev);
+ return head;
+}
+
static void spapr_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
@@ -2467,6 +2545,7 @@ static void spapr_machine_class_init(ObjectClass *oc,
void *data)
mc->has_dynamic_sysbus = true;
mc->pci_allow_0_address = true;
mc->get_hotplug_handler = spapr_get_hotpug_handler;
+ mc->cpu_packages = spapr_cpu_packages;
hc->plug = spapr_machine_device_plug;
hc->unplug = spapr_machine_device_unplug;
mc->cpu_index_to_socket_id = spapr_cpu_index_to_socket_id;
diff --git a/include/hw/boards.h b/include/hw/boards.h
index cf95d10..66d8780 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -99,6 +99,7 @@ struct MachineClass {
HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
DeviceState *dev);
unsigned (*cpu_index_to_socket_id)(unsigned cpu_index);
+ CPUPackageInfoList *(*cpu_packages)(MachineState *machine);
};
/**
diff --git a/qapi-schema.json b/qapi-schema.json
index 8d04897..5a0dd80 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -4083,3 +4083,51 @@
##
{ 'enum': 'ReplayMode',
'data': [ 'none', 'record', 'play' ] }
+
+##
+# @CPUThreadInfo:
+#
+# Information about CPU Threads
+#
+# Since: 2.6
+##
+
+{ 'struct': 'CPUInfo',
+ 'data': { 'arch_id': 'int',
+ 'type': 'str',
+ '*thread': 'int',
+ '*core': 'int',
+ '*socket' : 'int',
+ '*node' : 'int',
+ '*qom_path': 'str'
+ }
+}
+
+##
+# @CPUPackageInfo:
+#
+# Information about CPU Packages
+#
+# Since: 2.6
+##
+
+{ 'struct': 'CPUPackageInfo',
+ 'data': { '*id': 'str',
+ 'type': 'str',
+ 'qom_path': 'str',
+ 'realized': 'bool',
+ 'nr_cpus': 'int',
+ 'cpus' : ['CPUInfo']
+ }
+}
+
+##
+# @query-cpu-packages:
+#
+# Returns information for all CPU packages
+#
+# Returns: a list of @CPUPackageInfo
+#
+# Since: 2.6
+##
+{ 'command': 'query-cpu-packages', 'returns': ['CPUPackageInfo'] }
--
2.1.0
- [Qemu-devel] [RFC PATCH v0 3/8] cpu: CPU package abstract device, (continued)
- [Qemu-devel] [RFC PATCH v0 3/8] cpu: CPU package abstract device, Bharata B Rao, 2016/02/22
- [Qemu-devel] [RFC PATCH v0 5/8] spapr: Convert boot CPUs into CPU core device initialization, Bharata B Rao, 2016/02/22
- [Qemu-devel] [RFC PATCH v0 4/8] spapr: Introduce CPU core device, Bharata B Rao, 2016/02/22
- Re: [Qemu-devel] [RFC PATCH v0 4/8] spapr: Introduce CPU core device, Bharata B Rao, 2016/02/22
- Re: [Qemu-devel] [RFC PATCH v0 4/8] spapr: Introduce CPU core device, Andreas Färber, 2016/02/22
[Qemu-devel] [RFC PATCH v0 6/8] spapr: CPU hotplug support, Bharata B Rao, 2016/02/22
[Qemu-devel] [RFC PATCH v0 7/8] qmp: Implement query cpu-packages,
Bharata B Rao <=
[Qemu-devel] [RFC PATCH v0 8/8] hmp: Implement 'info cpu-slots', Bharata B Rao, 2016/02/22
Re: [Qemu-devel] [RFC PATCH v0 0/8] cpu-package hotplug, Bharata B Rao, 2016/02/22
Re: [Qemu-devel] [RFC PATCH v0 0/8] cpu-package hotplug, Andreas Färber, 2016/02/22