From patchwork Mon Oct 19 00:54:03 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Guangrong X-Patchwork-Id: 531976 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 55F92140307 for ; Mon, 19 Oct 2015 04:09:12 +1100 (AEDT) Received: from localhost ([::1]:34753 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZnrSH-0006Is-EP for incoming@patchwork.ozlabs.org; Sun, 18 Oct 2015 13:09:09 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42738) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZnrJa-0007UX-Fn for qemu-devel@nongnu.org; Sun, 18 Oct 2015 13:00:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZnrJZ-0000Kr-9r for qemu-devel@nongnu.org; Sun, 18 Oct 2015 13:00:10 -0400 Received: from mga09.intel.com ([134.134.136.24]:58036) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZnrJY-0000CK-Ue for qemu-devel@nongnu.org; Sun, 18 Oct 2015 13:00:09 -0400 Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP; 18 Oct 2015 10:00:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,698,1437462000"; d="scan'208";a="583275702" Received: from xiaoreal1.sh.intel.com (HELO xiaoreal1.sh.intel.com.sh.intel.com) ([10.239.48.79]) by FMSMGA003.fm.intel.com with ESMTP; 18 Oct 2015 10:00:06 -0700 From: Xiao Guangrong To: pbonzini@redhat.com, imammedo@redhat.com Date: Mon, 19 Oct 2015 08:54:03 +0800 Message-Id: <1445216059-88521-18-git-send-email-guangrong.xiao@linux.intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1445216059-88521-1-git-send-email-guangrong.xiao@linux.intel.com> References: <1445216059-88521-1-git-send-email-guangrong.xiao@linux.intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 134.134.136.24 Cc: Xiao Guangrong , ehabkost@redhat.com, kvm@vger.kernel.org, mst@redhat.com, gleb@kernel.org, mtosatti@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com, dan.j.williams@intel.com, rth@twiddle.net Subject: [Qemu-devel] [PATCH v4 17/33] dimm: abstract dimm device from pc-dimm X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org A base device, dimm, is abstracted from pc-dimm, so that we can build nvdimm device based on dimm in the later patch Signed-off-by: Xiao Guangrong --- default-configs/i386-softmmu.mak | 1 + default-configs/x86_64-softmmu.mak | 1 + hw/mem/Makefile.objs | 3 ++- hw/mem/dimm.c | 11 ++------- hw/mem/pc-dimm.c | 46 ++++++++++++++++++++++++++++++++++++++ include/hw/mem/dimm.h | 4 ++-- include/hw/mem/pc-dimm.h | 7 ++++++ 7 files changed, 61 insertions(+), 12 deletions(-) create mode 100644 hw/mem/pc-dimm.c create mode 100644 include/hw/mem/pc-dimm.h diff --git a/default-configs/i386-softmmu.mak b/default-configs/i386-softmmu.mak index 43c96d1..3ece8bb 100644 --- a/default-configs/i386-softmmu.mak +++ b/default-configs/i386-softmmu.mak @@ -18,6 +18,7 @@ CONFIG_FDC=y CONFIG_ACPI=y CONFIG_ACPI_X86=y CONFIG_ACPI_X86_ICH=y +CONFIG_DIMM=y CONFIG_ACPI_MEMORY_HOTPLUG=y CONFIG_ACPI_CPU_HOTPLUG=y CONFIG_APM=y diff --git a/default-configs/x86_64-softmmu.mak b/default-configs/x86_64-softmmu.mak index dfb8095..92ea7c1 100644 --- a/default-configs/x86_64-softmmu.mak +++ b/default-configs/x86_64-softmmu.mak @@ -18,6 +18,7 @@ CONFIG_FDC=y CONFIG_ACPI=y CONFIG_ACPI_X86=y CONFIG_ACPI_X86_ICH=y +CONFIG_DIMM=y CONFIG_ACPI_MEMORY_HOTPLUG=y CONFIG_ACPI_CPU_HOTPLUG=y CONFIG_APM=y diff --git a/hw/mem/Makefile.objs b/hw/mem/Makefile.objs index 7563ef5..cebb4b1 100644 --- a/hw/mem/Makefile.objs +++ b/hw/mem/Makefile.objs @@ -1 +1,2 @@ -common-obj-$(CONFIG_MEM_HOTPLUG) += dimm.o +common-obj-$(CONFIG_DIMM) += dimm.o +common-obj-$(CONFIG_MEM_HOTPLUG) += pc-dimm.o diff --git a/hw/mem/dimm.c b/hw/mem/dimm.c index 6c1ea98..23d5daa 100644 --- a/hw/mem/dimm.c +++ b/hw/mem/dimm.c @@ -1,5 +1,5 @@ /* - * Dimm device for Memory Hotplug + * Dimm device abstraction * * Copyright ProfitBricks GmbH 2012 * Copyright (C) 2014 Red Hat Inc @@ -432,21 +432,13 @@ static void dimm_realize(DeviceState *dev, Error **errp) } } -static MemoryRegion *dimm_get_memory_region(DIMMDevice *dimm) -{ - return host_memory_backend_get_memory(dimm->hostmem, &error_abort); -} - static void dimm_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); - DIMMDeviceClass *ddc = DIMM_CLASS(oc); dc->realize = dimm_realize; dc->props = dimm_properties; dc->desc = "DIMM memory module"; - - ddc->get_memory_region = dimm_get_memory_region; } static TypeInfo dimm_info = { @@ -456,6 +448,7 @@ static TypeInfo dimm_info = { .instance_init = dimm_init, .class_init = dimm_class_init, .class_size = sizeof(DIMMDeviceClass), + .abstract = true, }; static void dimm_register_types(void) diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c new file mode 100644 index 0000000..38323e9 --- /dev/null +++ b/hw/mem/pc-dimm.c @@ -0,0 +1,46 @@ +/* + * Dimm device for Memory Hotplug + * + * Copyright ProfitBricks GmbH 2012 + * Copyright (C) 2014 Red Hat Inc + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see + */ + +#include "hw/mem/pc-dimm.h" + +static MemoryRegion *pc_dimm_get_memory_region(DIMMDevice *dimm) +{ + return host_memory_backend_get_memory(dimm->hostmem, &error_abort); +} + +static void pc_dimm_class_init(ObjectClass *oc, void *data) +{ + DIMMDeviceClass *ddc = DIMM_CLASS(oc); + + ddc->get_memory_region = pc_dimm_get_memory_region; +} + +static TypeInfo pc_dimm_info = { + .name = TYPE_PC_DIMM, + .parent = TYPE_DIMM, + .class_init = pc_dimm_class_init, +}; + +static void pc_dimm_register_types(void) +{ + type_register_static(&pc_dimm_info); +} + +type_init(pc_dimm_register_types) diff --git a/include/hw/mem/dimm.h b/include/hw/mem/dimm.h index 5ddbf08..84a62ed 100644 --- a/include/hw/mem/dimm.h +++ b/include/hw/mem/dimm.h @@ -1,5 +1,5 @@ /* - * PC DIMM device + * Dimm device abstraction * * Copyright ProfitBricks GmbH 2012 * Copyright (C) 2013-2014 Red Hat Inc @@ -20,7 +20,7 @@ #include "sysemu/hostmem.h" #include "hw/qdev.h" -#define TYPE_DIMM "pc-dimm" +#define TYPE_DIMM "dimm" #define DIMM(obj) \ OBJECT_CHECK(DIMMDevice, (obj), TYPE_DIMM) #define DIMM_CLASS(oc) \ diff --git a/include/hw/mem/pc-dimm.h b/include/hw/mem/pc-dimm.h new file mode 100644 index 0000000..50818c2 --- /dev/null +++ b/include/hw/mem/pc-dimm.h @@ -0,0 +1,7 @@ +#ifndef QEMU_PC_DIMM_H +#define QEMU_PC_DIMM_H + +#include "hw/mem/dimm.h" + +#define TYPE_PC_DIMM "pc-dimm" +#endif