@@ -940,6 +940,7 @@ static long intel_vgpu_ioctl(struct mdev_device *mdev, unsigned int cmd,
info.flags = VFIO_DEVICE_FLAGS_PCI;
info.flags |= VFIO_DEVICE_FLAGS_RESET;
+ info.flags |= VFIO_DEVICE_FLAGS_MIGRATABLE;
info.num_regions = VFIO_PCI_NUM_REGIONS;
info.num_irqs = VFIO_PCI_NUM_IRQS;
@@ -199,6 +199,7 @@ struct vfio_device_info {
#define VFIO_DEVICE_FLAGS_PLATFORM (1 << 2) /* vfio-platform device */
#define VFIO_DEVICE_FLAGS_AMBA (1 << 3) /* vfio-amba device */
#define VFIO_DEVICE_FLAGS_CCW (1 << 4) /* vfio-ccw device */
+#define VFIO_DEVICE_FLAGS_MIGRATABLE (1 << 5) /* Device supports migrate */
__u32 num_regions; /* Max region index + 1 */
__u32 num_irqs; /* Max IRQ index + 1 */
};
New device flag VFIO_DEVICE_FLAGS_MIGRATABLE is added for vfio mdev device vGPU to claim the capability for live migration. Signed-off-by: Yulei Zhang <yulei.zhang@intel.com> --- drivers/gpu/drm/i915/gvt/kvmgt.c | 1 + include/uapi/linux/vfio.h | 1 + 2 files changed, 2 insertions(+)