nvif_ioctl_nop_v0 68 drivers/gpu/drm/nouveau/nvif/client.c struct nvif_ioctl_nop_v0 nop; nvif_ioctl_nop_v0 36 drivers/gpu/drm/nouveau/nvkm/core/ioctl.c struct nvif_ioctl_nop_v0 v0;