From patchwork Mon Jul 8 19:17:31 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kirti Wankhede X-Patchwork-Id: 1129268 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="alV6DDcw"; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 45jFmv2zyrz9sDB for ; Tue, 9 Jul 2019 05:26:23 +1000 (AEST) Received: from localhost ([::1]:44218 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hkZHJ-0003ph-HV for incoming@patchwork.ozlabs.org; Mon, 08 Jul 2019 15:26:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35323) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hkZCl-0005bo-0m for qemu-devel@nongnu.org; Mon, 08 Jul 2019 15:21:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hkZCj-0003RP-SI for qemu-devel@nongnu.org; Mon, 08 Jul 2019 15:21:38 -0400 Received: from hqemgate15.nvidia.com ([216.228.121.64]:17684) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hkZCj-0003M4-K0 for qemu-devel@nongnu.org; Mon, 08 Jul 2019 15:21:37 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate15.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 08 Jul 2019 12:21:34 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Mon, 08 Jul 2019 12:21:29 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Mon, 08 Jul 2019 12:21:29 -0700 Received: from HQMAIL108.nvidia.com (172.18.146.13) by HQMAIL108.nvidia.com (172.18.146.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 8 Jul 2019 19:21:29 +0000 Received: from kwankhede-dev.nvidia.com (10.124.1.5) by HQMAIL108.nvidia.com (172.18.146.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Mon, 8 Jul 2019 19:21:22 +0000 From: Kirti Wankhede To: , Date: Tue, 9 Jul 2019 00:47:31 +0530 Message-ID: <1562613452-24969-13-git-send-email-kwankhede@nvidia.com> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1562613452-24969-1-git-send-email-kwankhede@nvidia.com> References: <1562613452-24969-1-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=1562613694; bh=gFFxatm5vEcsYi2oQ1vg+wARzP2JUq9a8FiNQRij5Bw=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=alV6DDcwZrGK4TlKwYFWMXIbmPD50XU5HQeJlxZlZ4eRWcVjWTuUWcMblZrHWS1WC qXdp+L9m1w9ZKAStz8vSZswJq50VxhzP46du1wOwHsFfvkAZEeoPbhwiY+dNcKc3UM y3dhaQjZG5yHRVQ6bBKi6LaiS816yKEKSyTjbFEWB4TnZhRDyr3nwHF202ON6IkfJv bZ9oke3yx8pLJxjUFGZPARYWvUi2P7pMNvKmZDlxJXzaT3YA8gOiG/j7/79P10ClWB iUjFsHH7EIzLeWrN+IMC/I5tQtMxIgbEb13QVP/jGPjFpbuoCVJ9sJwGsvk2zvpAKO iGI2m5StJ4/5A== X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 X-Received-From: 216.228.121.64 Subject: [Qemu-devel] [PATCH v5 12/13] vfio: Add vfio_listerner_log_sync to mark dirty pages X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: 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, Kirti Wankhede , 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 when in _SAVING state. Return early for the RAM block section of mapped MMIO region. Signed-off-by: Kirti Wankhede Reviewed-by: Neo Jia --- hw/vfio/common.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/hw/vfio/common.c b/hw/vfio/common.c index de74dae8d6a6..d5ee35c95e76 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); @@ -794,9 +795,43 @@ 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; + + if (memory_region_is_ram_device(section->mr)) { + return; + } + + 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)