317 	struct vmw_fifo_state *fifo_state = &dev_priv->fifo;  in vmw_fifo_reserve()  local
322 	uint32_t reserveable = fifo_state->capabilities & SVGA_FIFO_CAP_RESERVE;  in vmw_fifo_reserve()
325 	mutex_lock(&fifo_state->fifo_mutex);  in vmw_fifo_reserve()
333 	BUG_ON(fifo_state->reserved_size != 0);  in vmw_fifo_reserve()
334 	BUG_ON(fifo_state->dynamic_buffer != NULL);  in vmw_fifo_reserve()
336 	fifo_state->reserved_size = bytes;  in vmw_fifo_reserve()
370 				fifo_state->using_bounce_buffer = false;  in vmw_fifo_reserve()
382 			fifo_state->using_bounce_buffer = true;  in vmw_fifo_reserve()
383 			if (bytes < fifo_state->static_buffer_size)  in vmw_fifo_reserve()
384 				return fifo_state->static_buffer;  in vmw_fifo_reserve()
386 				fifo_state->dynamic_buffer = vmalloc(bytes);  in vmw_fifo_reserve()
387 				return fifo_state->dynamic_buffer;  in vmw_fifo_reserve()
392 	fifo_state->reserved_size = 0;  in vmw_fifo_reserve()
393 	mutex_unlock(&fifo_state->fifo_mutex);  in vmw_fifo_reserve()
397 static void vmw_fifo_res_copy(struct vmw_fifo_state *fifo_state,  in vmw_fifo_res_copy()  argument
404 	uint32_t *buffer = (fifo_state->dynamic_buffer != NULL) ?  in vmw_fifo_res_copy()
405 	    fifo_state->dynamic_buffer : fifo_state->static_buffer;  in vmw_fifo_res_copy()
419 static void vmw_fifo_slow_copy(struct vmw_fifo_state *fifo_state,  in vmw_fifo_slow_copy()  argument
424 	uint32_t *buffer = (fifo_state->dynamic_buffer != NULL) ?  in vmw_fifo_slow_copy()
425 	    fifo_state->dynamic_buffer : fifo_state->static_buffer;  in vmw_fifo_slow_copy()
441 	struct vmw_fifo_state *fifo_state = &dev_priv->fifo;  in vmw_fifo_commit()  local
446 	bool reserveable = fifo_state->capabilities & SVGA_FIFO_CAP_RESERVE;  in vmw_fifo_commit()
449 	BUG_ON(bytes > fifo_state->reserved_size);  in vmw_fifo_commit()
451 	fifo_state->reserved_size = 0;  in vmw_fifo_commit()
453 	if (fifo_state->using_bounce_buffer) {  in vmw_fifo_commit()
455 			vmw_fifo_res_copy(fifo_state, fifo_mem,  in vmw_fifo_commit()
458 			vmw_fifo_slow_copy(fifo_state, fifo_mem,  in vmw_fifo_commit()
461 		if (fifo_state->dynamic_buffer) {  in vmw_fifo_commit()
462 			vfree(fifo_state->dynamic_buffer);  in vmw_fifo_commit()
463 			fifo_state->dynamic_buffer = NULL;  in vmw_fifo_commit()
468 	down_write(&fifo_state->rwsem);  in vmw_fifo_commit()
469 	if (fifo_state->using_bounce_buffer || reserveable) {  in vmw_fifo_commit()
480 	up_write(&fifo_state->rwsem);  in vmw_fifo_commit()
482 	mutex_unlock(&fifo_state->fifo_mutex);  in vmw_fifo_commit()
487 	struct vmw_fifo_state *fifo_state = &dev_priv->fifo;  in vmw_fifo_send_fence()  local
506 	if (!(fifo_state->capabilities & SVGA_FIFO_CAP_FENCE)) {  in vmw_fifo_send_fence()
523 	(void) vmw_marker_push(&fifo_state->marker_queue, *seqno);  in vmw_fifo_send_fence()
524 	vmw_update_seqno(dev_priv, fifo_state);  in vmw_fifo_send_fence()