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a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1562665989; 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=LJV2WjWPAK8+Qgc6QLSb3lq3dnGL2Xzk4HHIXk6tVPtOEZoNDf+rVYUjzcwZQSV5C 3WY1kBj+hYudUUi/Yvker7OviOzuxsyVPOZpBDYyWkOb4lsvEiCLqxMnynOMRT9hC0 7ZCVY4cNf0EhitX7iWhJKd35NEX/z0lNFLRt7tcVe2xqYqVoye3TwoXc8mP7cmEZLT IsctoOX+/WMlWaOTIDv4wA/BJgrParWZTyXSW7uC494p/HpoBM9lbnCJG9/6JRv1fD adrclxTigJcg20uZg5QUQIU+IlpkYkSmm2SnifraXjjL2fHWPt9mIMj03drQ/XcPC/ EL0nZ2vMt+HYg== X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 X-Received-From: 216.228.121.143 Subject: [Qemu-devel] [PATCH v7 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP 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)