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: 7368111 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id EFAA19F40A for ; Sat, 10 Oct 2015 19:59:13 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 23F6A20929 for ; Sat, 10 Oct 2015 19:59:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 29C942091D for ; Sat, 10 Oct 2015 19:59:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752699AbbJJT7E (ORCPT ); Sat, 10 Oct 2015 15:59:04 -0400 Received: from mga03.intel.com ([134.134.136.65]:57371 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752721AbbJJT7D (ORCPT ); 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 Cc: gleb@kernel.org, mtosatti@redhat.com, stefanha@redhat.com, mst@redhat.com, rth@twiddle.net, ehabkost@redhat.com, dan.j.williams@intel.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, Xiao Guangrong Subject: [PATCH v3 20/32] dimm: introduce realize callback 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> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-5.0 required=5.0 tests=BAYES_00, DATE_IN_FUTURE_06_12, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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;