237 	struct drm_nouveau_channel_alloc *init = data;  in nouveau_abi16_ioctl_channel_alloc()  local
255 		if (init->fb_ctxdma_handle != ~0)  in nouveau_abi16_ioctl_channel_alloc()
256 			init->fb_ctxdma_handle = KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_GR;  in nouveau_abi16_ioctl_channel_alloc()
258 			init->fb_ctxdma_handle = init->tt_ctxdma_handle;  in nouveau_abi16_ioctl_channel_alloc()
261 		init->tt_ctxdma_handle = 0;  in nouveau_abi16_ioctl_channel_alloc()
262 		if (init->fb_ctxdma_handle == KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_GR)  in nouveau_abi16_ioctl_channel_alloc()
263 			init->tt_ctxdma_handle = 1;  in nouveau_abi16_ioctl_channel_alloc()
266 	if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0)  in nouveau_abi16_ioctl_channel_alloc()
270 	init->channel = __ffs64(~abi16->handles);  in nouveau_abi16_ioctl_channel_alloc()
280 	abi16->handles |= (1ULL << init->channel);  in nouveau_abi16_ioctl_channel_alloc()
284 				  NOUVEAU_ABI16_CHAN(init->channel),  in nouveau_abi16_ioctl_channel_alloc()
285 				  init->fb_ctxdma_handle,  in nouveau_abi16_ioctl_channel_alloc()
286 				  init->tt_ctxdma_handle, &chan->chan);  in nouveau_abi16_ioctl_channel_alloc()
291 		init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM |  in nouveau_abi16_ioctl_channel_alloc()
295 		init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM;  in nouveau_abi16_ioctl_channel_alloc()
297 		init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART;  in nouveau_abi16_ioctl_channel_alloc()
300 		init->subchan[0].handle = 0x00000000;  in nouveau_abi16_ioctl_channel_alloc()
301 		init->subchan[0].grclass = 0x0000;  in nouveau_abi16_ioctl_channel_alloc()
302 		init->subchan[1].handle = chan->chan->nvsw.handle;  in nouveau_abi16_ioctl_channel_alloc()
303 		init->subchan[1].grclass = 0x506e;  in nouveau_abi16_ioctl_channel_alloc()
304 		init->nr_subchan = 2;  in nouveau_abi16_ioctl_channel_alloc()
323 				    &init->notifier_handle);  in nouveau_abi16_ioctl_channel_alloc()
367 	struct drm_nouveau_grobj_alloc *init = data;  in nouveau_abi16_ioctl_grobj_alloc()  local
377 		.ioctl.path[0] = NOUVEAU_ABI16_CHAN(init->channel),  in nouveau_abi16_ioctl_grobj_alloc()
379 		.new.handle = init->handle,  in nouveau_abi16_ioctl_grobj_alloc()
380 		.new.oclass = init->class,  in nouveau_abi16_ioctl_grobj_alloc()
390 	if (init->handle == ~0)  in nouveau_abi16_ioctl_grobj_alloc()
395 	if (init->class == 0x506e) {  in nouveau_abi16_ioctl_grobj_alloc()
396 		init->class = nouveau_abi16_swclass(drm);  in nouveau_abi16_ioctl_grobj_alloc()
397 		if (init->class == 0x906e)  in nouveau_abi16_ioctl_grobj_alloc()