From patchwork Tue Feb 19 21:23:19 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kirti Wankhede X-Patchwork-Id: 1044901 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=nvidia.com header.i=@nvidia.com header.b="Z2dUJDzQ"; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 443v8L0jVKz9s1l for ; Wed, 20 Feb 2019 08:32:18 +1100 (AEDT) Received: from localhost ([127.0.0.1]:55241 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gwCzv-0006VD-UT for incoming@patchwork.ozlabs.org; Tue, 19 Feb 2019 16:32:16 -0500 Received: from eggs.gnu.org ([209.51.188.92]:33561) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gwCyg-0006Oa-Qc for qemu-devel@nongnu.org; Tue, 19 Feb 2019 16:30:59 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gwCyg-0005oP-47 for qemu-devel@nongnu.org; Tue, 19 Feb 2019 16:30:58 -0500 Received: from hqemgate14.nvidia.com ([216.228.121.143]:17003) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gwCyf-0005nZ-3A for qemu-devel@nongnu.org; Tue, 19 Feb 2019 16:30:58 -0500 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 19 Feb 2019 13:26:01 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Tue, 19 Feb 2019 13:25:53 -0800 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Tue, 19 Feb 2019 13:25:53 -0800 Received: from HQMAIL110.nvidia.com (172.18.146.15) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 19 Feb 2019 21:25:53 +0000 Received: from HQMAIL105.nvidia.com (172.20.187.12) by hqmail110.nvidia.com (172.18.146.15) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 19 Feb 2019 21:25:52 +0000 Received: from kwankhede-dev.nvidia.com (10.124.1.5) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Tue, 19 Feb 2019 21:25:46 +0000 From: Kirti Wankhede To: , Date: Wed, 20 Feb 2019 02:53:19 +0530 Message-ID: <1550611400-13703-5-git-send-email-kwankhede@nvidia.com> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1550611400-13703-1-git-send-email-kwankhede@nvidia.com> References: <1550611400-13703-1-git-send-email-kwankhede@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1550611561; bh=uNGPTrUmwHp/z5e06XUP0eQEgUgt2ZZRVZ0MIJ3K4XM=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=Z2dUJDzQDvhgFGJlwzRrxpiwk2aSrAhjRB8vBUdkiRUkm5fxWcGz31QrkXUMthF/Q BlKJRFzeQ8QkLduT6PYuh4eV3khN39h3XGboeCv8CyMiQtOgenNNQL8/+/MLFoZ5tB GcuZB4R/ELU3SyHVe9I1wWywyYijmmOoulwE8qsvD2LJPnfPodkZVB4So2Qzn69tZG v16r1sJEHYw31tVi6jOZ5uY471He9mxnT8hZd4k/k++ez6BtNmf1VHe19+mHiy7beo NDcZvMnkO+tTTg0vMaaNTHkHZQB3bxfuYf4RgtROTwgrTiRr1RF6sIXM6HiFn7PjgU SQYRbHOsatmKw== X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 X-Received-From: 216.228.121.143 Subject: [Qemu-devel] [PATCH v3 4/5] Add vfio_listerner_log_sync to mark dirty pages X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kirti Wankhede , Zhengxiao.zx@Alibaba-inc.com, kevin.tian@intel.com, yi.l.liu@intel.com, yan.y.zhao@intel.com, eskultet@redhat.com, ziye.yang@intel.com, qemu-devel@nongnu.org, cohuck@redhat.com, shuangtai.tst@alibaba-inc.com, dgilbert@redhat.com, zhi.a.wang@intel.com, mlevitsk@redhat.com, pasic@linux.ibm.com, aik@ozlabs.ru, yulei.zhang@intel.com, eauger@redhat.com, felipe@nutanix.com, jonathan.davies@nutanix.com, changpeng.liu@intel.com, Ken.Xue@amd.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" vfio_listerner_log_sync gets list of dirty pages from vendor driver and mark those pages dirty. Signed-off-by: Kirti Wankhede Reviewed-by: Neo Jia --- hw/vfio/common.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/hw/vfio/common.c b/hw/vfio/common.c index 4262b80c4450..84ba6808f7d0 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -36,6 +36,7 @@ #include "sysemu/kvm.h" #include "trace.h" #include "qapi/error.h" +#include "migration/migration.h" VFIOGroupList vfio_group_list = QLIST_HEAD_INITIALIZER(vfio_group_list); @@ -698,9 +699,39 @@ static void vfio_listener_region_del(MemoryListener *listener, } } +static void vfio_listerner_log_sync(MemoryListener *listener, + MemoryRegionSection *section) +{ + uint64_t start_addr, size, pfn_count; + VFIOGroup *group; + VFIODevice *vbasedev; + + QLIST_FOREACH(group, &vfio_group_list, next) { + QLIST_FOREACH(vbasedev, &group->device_list, next) { + if (vbasedev->device_state & VFIO_DEVICE_STATE_SAVING) { + continue; + } else { + return; + } + } + } + + start_addr = TARGET_PAGE_ALIGN(section->offset_within_address_space); + size = int128_get64(section->size); + pfn_count = size >> TARGET_PAGE_BITS; + + QLIST_FOREACH(group, &vfio_group_list, next) { + QLIST_FOREACH(vbasedev, &group->device_list, next) { + vfio_get_dirty_page_list(vbasedev, start_addr >> TARGET_PAGE_BITS, + pfn_count, TARGET_PAGE_SIZE); + } + } +} + static const MemoryListener vfio_memory_listener = { .region_add = vfio_listener_region_add, .region_del = vfio_listener_region_del, + .log_sync = vfio_listerner_log_sync, }; static void vfio_listener_release(VFIOContainer *container)