From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57318) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abjdS-0001kH-SF for qemu-devel@nongnu.org; Fri, 04 Mar 2016 01:54:52 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1abjdO-0005UY-M6 for qemu-devel@nongnu.org; Fri, 04 Mar 2016 01:54:50 -0500 Received: from e28smtp03.in.ibm.com ([125.16.236.3]:39334) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abjdO-0005Tx-1Z for qemu-devel@nongnu.org; Fri, 04 Mar 2016 01:54:46 -0500 Received: from localhost by e28smtp03.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 4 Mar 2016 12:24:43 +0530 From: Bharata B Rao Date: Fri, 4 Mar 2016 12:24:16 +0530 Message-Id: <1457074461-14285-6-git-send-email-bharata@linux.vnet.ibm.com> In-Reply-To: <1457074461-14285-1-git-send-email-bharata@linux.vnet.ibm.com> References: <1457074461-14285-1-git-send-email-bharata@linux.vnet.ibm.com> Subject: [Qemu-devel] [RFC PATCH v1 05/10] cpu: Abstract CPU core type List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: mjrosato@linux.vnet.ibm.com, thuth@redhat.com, pkrempa@redhat.com, ehabkost@redhat.com, aik@ozlabs.ru, Bharata B Rao , armbru@redhat.com, agraf@suse.de, borntraeger@de.ibm.com, qemu-ppc@nongnu.org, pbonzini@redhat.com, imammedo@redhat.com, mdroth@linux.vnet.ibm.com, afaerber@suse.de, david@gibson.dropbear.id.au Add an abstract CPU core type that could be used by machines that want to define and hotplug CPUs in core granularity. Signed-off-by: Bharata B Rao --- hw/cpu/Makefile.objs | 1 + hw/cpu/core.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ include/hw/cpu/core.h | 30 ++++++++++++++++++++++++++++++ 3 files changed, 75 insertions(+) create mode 100644 hw/cpu/core.c create mode 100644 include/hw/cpu/core.h diff --git a/hw/cpu/Makefile.objs b/hw/cpu/Makefile.objs index 0954a18..942a4bb 100644 --- a/hw/cpu/Makefile.objs +++ b/hw/cpu/Makefile.objs @@ -2,4 +2,5 @@ obj-$(CONFIG_ARM11MPCORE) += arm11mpcore.o obj-$(CONFIG_REALVIEW) += realview_mpcore.o obj-$(CONFIG_A9MPCORE) += a9mpcore.o obj-$(CONFIG_A15MPCORE) += a15mpcore.o +obj-y += core.o diff --git a/hw/cpu/core.c b/hw/cpu/core.c new file mode 100644 index 0000000..d8caf37 --- /dev/null +++ b/hw/cpu/core.c @@ -0,0 +1,44 @@ +/* + * CPU core abstract device + * + * Copyright (C) 2016 Bharata B Rao + * + * 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" + +static char *core_prop_get_slot(Object *obj, Error **errp) +{ + CPUCore *core = CPU_CORE(obj); + + return g_strdup(core->slot); +} + +static void core_prop_set_slot(Object *obj, const char *val, Error **errp) +{ + CPUCore *core = CPU_CORE(obj); + + core->slot = g_strdup(val); +} + +static void cpu_core_instance_init(Object *obj) +{ + object_property_add_str(obj, "slot", core_prop_get_slot, core_prop_set_slot, + NULL); +} + +static const TypeInfo cpu_core_type_info = { + .name = TYPE_CPU_CORE, + .parent = TYPE_DEVICE, + .abstract = true, + .instance_size = sizeof(CPUCore), + .instance_init = cpu_core_instance_init, +}; + +static void cpu_core_register_types(void) +{ + type_register_static(&cpu_core_type_info); +} + +type_init(cpu_core_register_types) diff --git a/include/hw/cpu/core.h b/include/hw/cpu/core.h new file mode 100644 index 0000000..2daa724 --- /dev/null +++ b/include/hw/cpu/core.h @@ -0,0 +1,30 @@ +/* + * CPU core abstract device + * + * Copyright (C) 2016 Bharata B Rao + * + * 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_CPU_CORE_H +#define HW_CPU_CORE_H + +#include "qemu/osdep.h" +#include "hw/qdev.h" + +#define TYPE_CPU_CORE "cpu-core" + +#define CPU_CORE(obj) \ + OBJECT_CHECK(CPUCore, (obj), TYPE_CPU_CORE) + +typedef struct CPUCore { + /*< private >*/ + DeviceState parent_obj; + + /*< public >*/ + char *slot; +} CPUCore; + +#define CPU_CORE_SLOT_PROP "slot" + +#endif -- 2.1.0