1450N/A * Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved. 1450N/A * Created: Mon Dec 13 09:56:45 1999 by faith@precisioninsight.com 1450N/A * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 1450N/A * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 1450N/A * Permission is hereby granted, free of charge, to any person obtaining a 1450N/A * copy of this software and associated documentation files (the "Software"), 1450N/A * to deal in the Software without restriction, including without limitation 1450N/A * the rights to use, copy, modify, merge, publish, distribute, sublicense, 1450N/A * and/or sell copies of the Software, and to permit persons to whom the 1450N/A * Software is furnished to do so, subject to the following conditions: 1450N/A * The above copyright notice and this permission notice (including the next 1450N/A * paragraph) shall be included in all copies or substantial portions of the 1450N/A * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 1450N/A * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 1450N/A * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 1450N/A * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 1450N/A * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 1450N/A * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 1450N/A * OTHER DEALINGS IN THE SOFTWARE. 1450N/A * Rickard E. (Rik) Faith <faith@valinux.com> 1450N/A * Gareth Hughes <gareth@valinux.com> 1450N/A * The agpa_key field of struct agp_allocate_t actually is 1450N/A * an index to an array. It can be zero. But we will use 1450N/A * this agpa_key as a handle returned to userland. Generally, 1450N/A * 0 is not a valid value for a handle, so we add an offset 1450N/A * to the key to get a handle. 1450N/A * device_is_agp returns a tristate: 1450N/A * 2 = fall back to PCI capability 1450N/A /* physical is used only by i810 driver */ 1450N/A * If failed to ddi_copyout(), we will free allocated AGP memory