/* * 32-bit ioctl compatibility routines for the i915 DRM. * * Copyright (C) Paul Mackerras 2005 * Copyright (C) Alan Hourihane 2005 * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. * * Author: Alan Hourihane <[email protected]> */ #include <linux/compat.h> #include <drm/drm_ioctl.h> #include "i915_drv.h" #include "i915_getparam.h" #include "i915_ioc32.h" struct drm_i915_getparam32 { … }; static int compat_i915_getparam(struct file *file, unsigned int cmd, unsigned long arg) { … } static drm_ioctl_compat_t *i915_compat_ioctls[] = …; /** * i915_ioc32_compat_ioctl - handle the mistakes of the past * @filp: the file pointer * @cmd: the ioctl command (and encoded flags) * @arg: the ioctl argument (from userspace) * * Called whenever a 32-bit process running under a 64-bit kernel * performs an ioctl on /dev/dri/card<n>. */ long i915_ioc32_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { … }
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