From patchwork Sun Oct 11 03:52:52 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Guangrong X-Patchwork-Id: 528674 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 84A26140DAC for ; Sun, 11 Oct 2015 07:11:12 +1100 (AEDT) Received: from localhost ([::1]:46163 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zl0U2-0004Dn-9S for incoming@patchwork.ozlabs.org; Sat, 10 Oct 2015 16:11:10 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50546) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zl0IK-0000q6-SS for qemu-devel@nongnu.org; Sat, 10 Oct 2015 15:59:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Zl0IJ-0003pC-R5 for qemu-devel@nongnu.org; Sat, 10 Oct 2015 15:59:04 -0400 Received: from mga03.intel.com ([134.134.136.65]:60642) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zl0IJ-0003bu-Ld for qemu-devel@nongnu.org; Sat, 10 Oct 2015 15:59:03 -0400 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga103.jf.intel.com with ESMTP; 10 Oct 2015 12:59:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,664,1437462000"; d="scan'208";a="661783140" Received: from xiaoreal1.sh.intel.com (HELO xiaoreal1.sh.intel.com.sh.intel.com) ([10.239.48.79]) by orsmga003.jf.intel.com with ESMTP; 10 Oct 2015 12:59:01 -0700 From: Xiao Guangrong To: pbonzini@redhat.com, imammedo@redhat.com Date: Sun, 11 Oct 2015 11:52:52 +0800 Message-Id: <1444535584-18220-21-git-send-email-guangrong.xiao@linux.intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1444535584-18220-1-git-send-email-guangrong.xiao@linux.intel.com> References: <1444535584-18220-1-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: 134.134.136.65 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 v3 20/32] dimm: introduce realize callback 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 nvdimm need check if the backend memory is large enough to contain label data and init its memory region when the device is realized, so introduce realize callback which is called after common dimm has been realize Signed-off-by: Xiao Guangrong --- hw/mem/dimm.c | 5 +++++ include/hw/mem/dimm.h | 1 + 2 files changed, 6 insertions(+) diff --git a/hw/mem/dimm.c b/hw/mem/dimm.c index efe964a..7a87761 100644 --- a/hw/mem/dimm.c +++ b/hw/mem/dimm.c @@ -422,6 +422,7 @@ static void dimm_init(Object *obj) static void dimm_realize(DeviceState *dev, Error **errp) { DIMMDevice *dimm = DIMM(dev); + DIMMDeviceClass *ddc = DIMM_GET_CLASS(dimm); if (!dimm->hostmem) { error_setg(errp, "'" DIMM_MEMDEV_PROP "' property is not set"); @@ -434,6 +435,10 @@ static void dimm_realize(DeviceState *dev, Error **errp) dimm->node, nb_numa_nodes ? nb_numa_nodes : 1); return; } + + if (ddc->realize) { + ddc->realize(dimm, errp); + } } static void dimm_class_init(ObjectClass *oc, void *data) diff --git a/include/hw/mem/dimm.h b/include/hw/mem/dimm.h index 84a62ed..663288d 100644 --- a/include/hw/mem/dimm.h +++ b/include/hw/mem/dimm.h @@ -65,6 +65,7 @@ typedef struct DIMMDeviceClass { DeviceClass parent_class; /* public */ + void (*realize)(DIMMDevice *dimm, Error **errp); MemoryRegion *(*get_memory_region)(DIMMDevice *dimm); } DIMMDeviceClass;