projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 7cfdf711 DV |
1 | /* |
| 2 | * Internal Header for the Direct Rendering Manager | |
| 3 | * | |
| 4 | * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. | |
| 5 | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. | |
| 6 | * Copyright (c) 2009-2010, Code Aurora Forum. | |
| 7 | * All rights reserved. | |
| 8 | * | |
| 9 | * Author: Rickard E. (Rik) Faith <faith@valinux.com> | |
| 10 | * Author: Gareth Hughes <gareth@valinux.com> | |
| 11 | * | |
| 12 | * Permission is hereby granted, free of charge, to any person obtaining a | |
| 13 | * copy of this software and associated documentation files (the "Software"), | |
| 14 | * to deal in the Software without restriction, including without limitation | |
| 15 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
| 16 | * and/or sell copies of the Software, and to permit persons to whom the | |
| 17 | * Software is furnished to do so, subject to the following conditions: | |
| 18 | * | |
| 19 | * The above copyright notice and this permission notice (including the next | |
| 20 | * paragraph) shall be included in all copies or substantial portions of the | |
| 21 | * Software. | |
| 22 | * | |
| 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 24 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 25 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
| 26 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
| 27 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
| 28 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
| 29 | * OTHER DEALINGS IN THE SOFTWARE. | |
| 30 | */ | |
| 31 | ||
| 32 | #ifndef _DRM_IOCTL_H_ | |
| 33 | #define _DRM_IOCTL_H_ | |
| 34 | ||
| 35 | #include <linux/types.h> | |
| 36 | ||
| 37 | #include <asm/ioctl.h> | |
| 38 | ||
| 39 | struct drm_device; | |
| 40 | struct drm_file; | |
| 41 | struct file; | |
| 42 | ||
| 43 | /** | |
| 44 | * Ioctl function type. | |
| 45 | * | |
| 46 | * \param inode device inode. | |
| 47 | * \param file_priv DRM file private pointer. | |
| 48 | * \param cmd command. | |
| 49 | * \param arg argument. | |
| 50 | */ | |
| 51 | typedef int drm_ioctl_t(struct drm_device *dev, void *data, | |
| 52 | struct drm_file *file_priv); | |
| 53 | ||
| 54 | typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, | |
| 55 | unsigned long arg); | |
| 56 | ||
| 57 | #define DRM_IOCTL_NR(n) _IOC_NR(n) | |
| 58 | #define DRM_MAJOR 226 | |
| 59 | ||
| 60 | #define DRM_AUTH 0x1 | |
| 61 | #define DRM_MASTER 0x2 | |
| 62 | #define DRM_ROOT_ONLY 0x4 | |
| 63 | #define DRM_CONTROL_ALLOW 0x8 | |
| 64 | #define DRM_UNLOCKED 0x10 | |
| 65 | #define DRM_RENDER_ALLOW 0x20 | |
| 66 | ||
| 67 | struct drm_ioctl_desc { | |
| 68 | unsigned int cmd; | |
| 69 | int flags; | |
| 70 | drm_ioctl_t *func; | |
| 71 | const char *name; | |
| 72 | }; | |
| 73 | ||
| 74 | /** | |
| 75 | * Creates a driver or general drm_ioctl_desc array entry for the given | |
| 76 | * ioctl, for use by drm_ioctl(). | |
| 77 | */ | |
| 78 | ||
| 79 | #define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \ | |
| 80 | [DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = { \ | |
| 81 | .cmd = DRM_IOCTL_##ioctl, \ | |
| 82 | .func = _func, \ | |
| 83 | .flags = _flags, \ | |
| 84 | .name = #ioctl \ | |
| 85 | } | |
| 86 | ||
| 87 | int drm_ioctl_permit(u32 flags, struct drm_file *file_priv); | |
| 88 | long drm_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); | |
| 89 | #ifdef CONFIG_COMPAT | |
| 90 | long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); | |
| 91 | #else | |
| 92 | /* Let drm_compat_ioctl be assigned to .compat_ioctl unconditionally */ | |
| 93 | #define drm_compat_ioctl NULL | |
| 94 | #endif | |
| 95 | bool drm_ioctl_flags(unsigned int nr, unsigned int *flags); | |
| 96 | ||
| 97 | int drm_noop(struct drm_device *dev, void *data, | |
| 98 | struct drm_file *file_priv); | |
| 99 | int drm_invalid_op(struct drm_device *dev, void *data, | |
| 100 | struct drm_file *file_priv); | |
| 101 | ||
| 102 | #endif /* _DRM_IOCTL_H_ */ |