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charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-06_14,2023-03-06_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 mlxscore=0 adultscore=0 spamscore=0 suspectscore=0 mlxlogscore=999 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2303070017 X-Proofpoint-GUID: U3Nld0kBtYK4Fvs_4zoe6AYttJ5CSIY3 X-Proofpoint-ORIG-GUID: U3Nld0kBtYK4Fvs_4zoe6AYttJ5CSIY3 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.165.32; envelope-from=joao.m.martins@oracle.com; helo=mx0a-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @oracle.com) X-ZM-MESSAGEID: 1678154742382100011 Now that everything has been set up for device dirty page tracking, query the device for device dirty page tracking support. Signed-off-by: Avihai Horon Signed-off-by: Joao Martins Reviewed-by: C=C3=A9dric Le Goater --- hw/vfio/migration.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/hw/vfio/migration.c b/hw/vfio/migration.c index 776fd2d7cdf3..127a44ccaf19 100644 --- a/hw/vfio/migration.c +++ b/hw/vfio/migration.c @@ -555,6 +555,19 @@ static int vfio_migration_query_flags(VFIODevice *vbas= edev, uint64_t *mig_flags) return 0; } =20 +static bool vfio_dma_logging_supported(VFIODevice *vbasedev) +{ + uint64_t buf[DIV_ROUND_UP(sizeof(struct vfio_device_feature), + sizeof(uint64_t))] =3D {}; + struct vfio_device_feature *feature =3D (struct vfio_device_feature *)= buf; + + feature->argsz =3D sizeof(buf); + feature->flags =3D + VFIO_DEVICE_FEATURE_PROBE | VFIO_DEVICE_FEATURE_DMA_LOGGING_START; + + return !ioctl(vbasedev->fd, VFIO_DEVICE_FEATURE, feature); +} + static int vfio_migration_init(VFIODevice *vbasedev) { int ret; @@ -589,6 +602,8 @@ static int vfio_migration_init(VFIODevice *vbasedev) migration->device_state =3D VFIO_DEVICE_STATE_RUNNING; migration->data_fd =3D -1; =20 + vbasedev->dirty_pages_supported =3D vfio_dma_logging_supported(vbasede= v); + oid =3D vmstate_if_get_id(VMSTATE_IF(DEVICE(obj))); if (oid) { path =3D g_strdup_printf("%s/vfio", oid); --=20 2.17.2