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-rw-r--r--hw/ppc/Makefile.objs1
-rw-r--r--hw/ppc/spapr.c3
-rw-r--r--hw/ppc/spapr_cpu_core.c160
-rw-r--r--include/hw/ppc/spapr.h1
-rw-r--r--include/hw/ppc/spapr_cpu_core.h29
-rw-r--r--target-ppc/kvm.c28
6 files changed, 220 insertions, 2 deletions
diff --git a/hw/ppc/Makefile.objs b/hw/ppc/Makefile.objs
index c1ffc7771b..5cc6608e50 100644
--- a/hw/ppc/Makefile.objs
+++ b/hw/ppc/Makefile.objs
@@ -4,6 +4,7 @@ obj-y += ppc.o ppc_booke.o
obj-$(CONFIG_PSERIES) += spapr.o spapr_vio.o spapr_events.o
obj-$(CONFIG_PSERIES) += spapr_hcall.o spapr_iommu.o spapr_rtas.o
obj-$(CONFIG_PSERIES) += spapr_pci.o spapr_rtc.o spapr_drc.o spapr_rng.o
+obj-$(CONFIG_PSERIES) += spapr_cpu_core.o
ifeq ($(CONFIG_PCI)$(CONFIG_PSERIES)$(CONFIG_LINUX), yyy)
obj-y += spapr_pci_vfio.o
endif
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 9a4a803b17..48df0e460e 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1623,8 +1623,7 @@ static void spapr_boot_set(void *opaque, const char *boot_device,
machine->boot_order = g_strdup(boot_device);
}
-static void spapr_cpu_init(sPAPRMachineState *spapr, PowerPCCPU *cpu,
- Error **errp)
+void spapr_cpu_init(sPAPRMachineState *spapr, PowerPCCPU *cpu, Error **errp)
{
CPUPPCState *env = &cpu->env;
diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c
new file mode 100644
index 0000000000..719777a365
--- /dev/null
+++ b/hw/ppc/spapr_cpu_core.c
@@ -0,0 +1,160 @@
+/*
+ * sPAPR CPU core device, acts as container of CPU thread devices.
+ *
+ * Copyright (C) 2016 Bharata B Rao <bharata@linux.vnet.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#include "hw/cpu/core.h"
+#include "hw/ppc/spapr_cpu_core.h"
+#include "target-ppc/cpu.h"
+#include "hw/ppc/spapr.h"
+#include "hw/boards.h"
+#include "qapi/error.h"
+#include <sysemu/cpus.h>
+#include "target-ppc/kvm_ppc.h"
+
+static int spapr_cpu_core_realize_child(Object *child, void *opaque)
+{
+ Error **errp = opaque;
+ sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
+ CPUState *cs = CPU(child);
+ PowerPCCPU *cpu = POWERPC_CPU(cs);
+
+ object_property_set_bool(child, true, "realized", errp);
+ if (*errp) {
+ return 1;
+ }
+
+ spapr_cpu_init(spapr, cpu, errp);
+ if (*errp) {
+ return 1;
+ }
+ return 0;
+}
+
+static void spapr_cpu_core_realize(DeviceState *dev, Error **errp)
+{
+ sPAPRCPUCore *sc = SPAPR_CPU_CORE(OBJECT(dev));
+ CPUCore *cc = CPU_CORE(OBJECT(dev));
+ const char *typename = object_class_get_name(sc->cpu_class);
+ size_t size = object_type_get_instance_size(typename);
+ Error *local_err = NULL;
+ Object *obj;
+ int i;
+
+ sc->threads = g_malloc0(size * cc->nr_threads);
+ for (i = 0; i < cc->nr_threads; i++) {
+ char id[32];
+ void *obj = sc->threads + i * size;
+
+ object_initialize(obj, size, typename);
+ snprintf(id, sizeof(id), "thread[%d]", i);
+ object_property_add_child(OBJECT(sc), id, obj, &local_err);
+ if (local_err) {
+ goto err;
+ }
+ }
+ object_child_foreach(OBJECT(dev), spapr_cpu_core_realize_child, &local_err);
+ if (local_err) {
+ goto err;
+ } else {
+ return;
+ }
+
+err:
+ while (i >= 0) {
+ obj = sc->threads + i * size;
+ object_unparent(obj);
+ i--;
+ }
+ g_free(sc->threads);
+ error_propagate(errp, local_err);
+}
+
+static void spapr_cpu_core_class_init(ObjectClass *oc, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(oc);
+ dc->realize = spapr_cpu_core_realize;
+}
+
+/*
+ * instance_init routines from different flavours of sPAPR CPU cores.
+ * TODO: Add support for 'host' core type.
+ */
+#define SPAPR_CPU_CORE_INITFN(_type, _fname) \
+static void glue(glue(spapr_cpu_core_, _fname), _initfn(Object *obj)) \
+{ \
+ sPAPRCPUCore *core = SPAPR_CPU_CORE(obj); \
+ char *name = g_strdup_printf("%s-" TYPE_POWERPC_CPU, stringify(_type)); \
+ ObjectClass *oc = object_class_by_name(name); \
+ g_assert(oc); \
+ g_free((void *)name); \
+ core->cpu_class = oc; \
+}
+
+SPAPR_CPU_CORE_INITFN(POWER7_v2.3, POWER7);
+SPAPR_CPU_CORE_INITFN(POWER7+_v2.1, POWER7plus);
+SPAPR_CPU_CORE_INITFN(POWER8_v2.0, POWER8);
+SPAPR_CPU_CORE_INITFN(POWER8E_v2.1, POWER8E);
+
+typedef struct SPAPRCoreInfo {
+ const char *name;
+ void (*initfn)(Object *obj);
+} SPAPRCoreInfo;
+
+static const SPAPRCoreInfo spapr_cores[] = {
+ /* POWER7 and aliases */
+ { .name = "POWER7_v2.3", .initfn = spapr_cpu_core_POWER7_initfn },
+ { .name = "POWER7", .initfn = spapr_cpu_core_POWER7_initfn },
+
+ /* POWER7+ and aliases */
+ { .name = "POWER7+_v2.1", .initfn = spapr_cpu_core_POWER7plus_initfn },
+ { .name = "POWER7+", .initfn = spapr_cpu_core_POWER7plus_initfn },
+
+ /* POWER8 and aliases */
+ { .name = "POWER8_v2.0", .initfn = spapr_cpu_core_POWER8_initfn },
+ { .name = "POWER8", .initfn = spapr_cpu_core_POWER8_initfn },
+ { .name = "power8", .initfn = spapr_cpu_core_POWER8_initfn },
+
+ /* POWER8E and aliases */
+ { .name = "POWER8E_v2.1", .initfn = spapr_cpu_core_POWER8E_initfn },
+ { .name = "POWER8E", .initfn = spapr_cpu_core_POWER8E_initfn },
+
+ { .name = NULL }
+};
+
+static void spapr_cpu_core_register(const SPAPRCoreInfo *info)
+{
+ TypeInfo type_info = {
+ .parent = TYPE_SPAPR_CPU_CORE,
+ .instance_size = sizeof(sPAPRCPUCore),
+ .instance_init = info->initfn,
+ };
+
+ type_info.name = g_strdup_printf("%s-" TYPE_SPAPR_CPU_CORE, info->name);
+ type_register(&type_info);
+ g_free((void *)type_info.name);
+}
+
+static const TypeInfo spapr_cpu_core_type_info = {
+ .name = TYPE_SPAPR_CPU_CORE,
+ .parent = TYPE_CPU_CORE,
+ .abstract = true,
+ .instance_size = sizeof(sPAPRCPUCore),
+ .class_init = spapr_cpu_core_class_init,
+};
+
+static void spapr_cpu_core_register_types(void)
+{
+ const SPAPRCoreInfo *info = spapr_cores;
+
+ type_register_static(&spapr_cpu_core_type_info);
+ while (info->name) {
+ spapr_cpu_core_register(info);
+ info++;
+ }
+}
+
+type_init(spapr_cpu_core_register_types)
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 3ac85c07d7..f597cc2251 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -582,6 +582,7 @@ void spapr_hotplug_req_add_by_count(sPAPRDRConnectorType drc_type,
uint32_t count);
void spapr_hotplug_req_remove_by_count(sPAPRDRConnectorType drc_type,
uint32_t count);
+void spapr_cpu_init(sPAPRMachineState *spapr, PowerPCCPU *cpu, Error **errp);
/* rtas-configure-connector state */
struct sPAPRConfigureConnectorState {
diff --git a/include/hw/ppc/spapr_cpu_core.h b/include/hw/ppc/spapr_cpu_core.h
new file mode 100644
index 0000000000..424edeccc9
--- /dev/null
+++ b/include/hw/ppc/spapr_cpu_core.h
@@ -0,0 +1,29 @@
+/*
+ * sPAPR CPU core device.
+ *
+ * Copyright (C) 2016 Bharata B Rao <bharata@linux.vnet.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#ifndef HW_SPAPR_CPU_CORE_H
+#define HW_SPAPR_CPU_CORE_H
+
+#include "hw/qdev.h"
+#include "hw/cpu/core.h"
+#include "target-ppc/cpu-qom.h"
+
+#define TYPE_SPAPR_CPU_CORE "spapr-cpu-core"
+#define SPAPR_CPU_CORE(obj) \
+ OBJECT_CHECK(sPAPRCPUCore, (obj), TYPE_SPAPR_CPU_CORE)
+
+typedef struct sPAPRCPUCore {
+ /*< private >*/
+ CPUCore parent_obj;
+
+ /*< public >*/
+ void *threads;
+ ObjectClass *cpu_class;
+} sPAPRCPUCore;
+
+#endif
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index 16208649c5..e14da60b77 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -42,6 +42,9 @@
#include "exec/memattrs.h"
#include "sysemu/hostmem.h"
#include "qemu/cutils.h"
+#if defined(TARGET_PPC64)
+#include "hw/ppc/spapr_cpu_core.h"
+#endif
//#define DEBUG_KVM
@@ -2341,6 +2344,19 @@ PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void)
return pvr_pcc;
}
+#if defined(TARGET_PPC64)
+static void spapr_cpu_core_host_initfn(Object *obj)
+{
+ sPAPRCPUCore *core = SPAPR_CPU_CORE(obj);
+ char *name = g_strdup_printf("%s-" TYPE_POWERPC_CPU, "host");
+ ObjectClass *oc = object_class_by_name(name);
+
+ g_assert(oc);
+ g_free((void *)name);
+ core->cpu_class = oc;
+}
+#endif
+
static int kvm_ppc_register_host_cpu_type(void)
{
TypeInfo type_info = {
@@ -2358,6 +2374,18 @@ static int kvm_ppc_register_host_cpu_type(void)
type_info.parent = object_class_get_name(OBJECT_CLASS(pvr_pcc));
type_register(&type_info);
+#if defined(TARGET_PPC64)
+ type_info.name = g_strdup_printf("%s-"TYPE_SPAPR_CPU_CORE, "host");
+ type_info.parent = TYPE_SPAPR_CPU_CORE,
+ type_info.instance_size = sizeof(sPAPRCPUCore),
+ type_info.instance_init = spapr_cpu_core_host_initfn,
+ type_info.class_init = NULL;
+ type_register(&type_info);
+ g_free((void *)type_info.name);
+ type_info.instance_size = 0;
+ type_info.instance_init = NULL;
+#endif
+
/* Register generic family CPU class for a family */
pvr_pcc = ppc_cpu_get_family_class(pvr_pcc);
dc = DEVICE_CLASS(pvr_pcc);
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-14 14:20:37 +0000