From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52807) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gPCqX-000653-KF for qemu-devel@nongnu.org; Tue, 20 Nov 2018 15:42:10 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gPCqT-0003pY-4M for qemu-devel@nongnu.org; Tue, 20 Nov 2018 15:42:09 -0500 Received: from hqemgate15.nvidia.com ([216.228.121.64]:4274) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gPCqS-0003my-A6 for qemu-devel@nongnu.org; Tue, 20 Nov 2018 15:42:04 -0500 From: Kirti Wankhede Date: Wed, 21 Nov 2018 02:09:42 +0530 Message-ID: <1542746383-18288-5-git-send-email-kwankhede@nvidia.com> In-Reply-To: <1542746383-18288-1-git-send-email-kwankhede@nvidia.com> References: <1542746383-18288-1-git-send-email-kwankhede@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH 4/5] Add vfio_listerner_log_sync to mark dirty pages List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: alex.williamson@redhat.com, cjia@nvidia.com Cc: kevin.tian@intel.com, ziye.yang@intel.com, changpeng.liu@intel.com, yi.l.liu@intel.com, mlevitsk@redhat.com, eskultet@redhat.com, cohuck@redhat.com, dgilbert@redhat.com, jonathan.davies@nutanix.com, eauger@redhat.com, aik@ozlabs.ru, pasic@linux.ibm.com, felipe@nutanix.com, Zhengxiao.zx@Alibaba-inc.com, shuangtai.tst@alibaba-inc.com, Ken.Xue@amd.com, zhi.a.wang@intel.com, qemu-devel@nongnu.org, Kirti Wankhede 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 | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/hw/vfio/common.c b/hw/vfio/common.c index fb396cf00ac4..338aad7426f0 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -697,9 +697,41 @@ 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) { + switch (vbasedev->device_state) { + case VFIO_DEVICE_STATE_MIGRATION_PRECOPY: + case VFIO_DEVICE_STATE_MIGRATION_STOPNCOPY: + continue; + + default: + 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, pfn_count); + } + } +} + 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) -- 2.7.0