| 1 | /* BEGIN CSTYLED */
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| 2 |
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| 3 | /**
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| 4 | * \file drm.h
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| 5 | * Header for the Direct Rendering Manager
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| 6 | *
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| 7 | * \author Rickard E. (Rik) Faith <[email protected]>
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| 8 | *
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| 9 | * \par Acknowledgments:
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| 10 | * Dec 1999, Richard Henderson <[email protected]>, move to generic \c cmpxchg.
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| 11 | */
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| 12 |
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| 13 | /*
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| 14 | * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
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| 15 | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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| 16 | * All rights reserved.
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| 17 | *
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| 18 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 19 | * copy of this software and associated documentation files (the "Software"),
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| 20 | * to deal in the Software without restriction, including without limitation
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| 21 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 22 | * and/or sell copies of the Software, and to permit persons to whom the
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| 23 | * Software is furnished to do so, subject to the following conditions:
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| 24 | *
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| 25 | * The above copyright notice and this permission notice (including the next
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| 26 | * paragraph) shall be included in all copies or substantial portions of the
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| 27 | * Software.
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| 28 | *
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| 29 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 30 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 31 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 32 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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| 33 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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| 34 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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| 35 | * OTHER DEALINGS IN THE SOFTWARE.
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| 36 | */
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| 37 |
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| 38 | /**
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| 39 | * \mainpage
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| 40 | *
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| 41 | * The Direct Rendering Manager (DRM) is a device-independent kernel-level
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| 42 | * device driver that provides support for the XFree86 Direct Rendering
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| 43 | * Infrastructure (DRI).
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| 44 | *
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| 45 | * The DRM supports the Direct Rendering Infrastructure (DRI) in four major
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| 46 | * ways:
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| 47 | * -# The DRM provides synchronized access to the graphics hardware via
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| 48 | * the use of an optimized two-tiered lock.
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| 49 | * -# The DRM enforces the DRI security policy for access to the graphics
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| 50 | * hardware by only allowing authenticated X11 clients access to
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| 51 | * restricted regions of memory.
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| 52 | * -# The DRM provides a generic DMA engine, complete with multiple
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| 53 | * queues and the ability to detect the need for an OpenGL context
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| 54 | * switch.
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| 55 | * -# The DRM is extensible via the use of small device-specific modules
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| 56 | * that rely extensively on the API exported by the DRM module.
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| 57 | *
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| 58 | */
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| 59 |
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| 60 | /*
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| 61 | * Copyright 2009-2010 Oracle Corporation
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| 62 | * All rights reserved.
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| 63 | * Use is subject to license terms.
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| 64 | */
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| 65 |
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| 66 | #ifndef _DRM_H_
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| 67 | #define _DRM_H_
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| 68 |
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| 69 | #include <sys/types32.h>
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| 70 |
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| 71 | #ifndef __user
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| 72 | #define __user
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| 73 | #endif
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| 74 |
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| 75 | #ifdef __GNUC__
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| 76 | # define DEPRECATED __attribute__ ((deprecated))
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| 77 | #else
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| 78 | # define DEPRECATED
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| 79 | # define __volatile__ volatile
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| 80 | #endif
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| 81 |
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| 82 | #if defined(__linux__)
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| 83 | #include <asm/ioctl.h> /* For _IO* macros */
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| 84 | #define DRM_IOCTL_NR(n) _IOC_NR(n)
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| 85 | #define DRM_IOC_VOID _IOC_NONE
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| 86 | #define DRM_IOC_READ _IOC_READ
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| 87 | #define DRM_IOC_WRITE _IOC_WRITE
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| 88 | #define DRM_IOC_READWRITE _IOC_READ|_IOC_WRITE
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| 89 | #define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
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| 90 | #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
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| 91 | #if (defined(__FreeBSD__) || defined(__FreeBSD_kernel__)) && defined(IN_MODULE)
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| 92 | /* Prevent name collision when including sys/ioccom.h */
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| 93 | #undef ioctl
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| 94 | #include <sys/ioccom.h>
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| 95 | #define ioctl(a,b,c) xf86ioctl(a,b,c)
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| 96 | #else
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| 97 | #include <sys/ioccom.h>
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| 98 | #endif /* __FreeBSD__ && xf86ioctl */
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| 99 | #define DRM_IOCTL_NR(n) ((n) & 0xff)
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| 100 | #define DRM_IOC_VOID IOC_VOID
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| 101 | #define DRM_IOC_READ IOC_OUT
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| 102 | #define DRM_IOC_WRITE IOC_IN
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| 103 | #define DRM_IOC_READWRITE IOC_INOUT
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| 104 | #define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
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| 105 | #endif
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| 106 |
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| 107 | /* Solaris-specific. */
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| 108 | #if defined(__SOLARIS__) || defined(sun)
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| 109 | #define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK)
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| 110 |
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| 111 | #define _IOC_NRBITS 8
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| 112 | #define _IOC_TYPEBITS 8
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| 113 | #define _IOC_SIZEBITS 14
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| 114 | #define _IOC_DIRBITS 2
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| 115 |
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| 116 | #define _IOC_NRMASK ((1 << _IOC_NRBITS)-1)
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| 117 | #define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1)
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| 118 | #define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1)
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| 119 | #define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1)
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| 120 |
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| 121 | #define _IOC_NRSHIFT 0
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| 122 | #define _IOC_TYPESHIFT (_IOC_NRSHIFT+_IOC_NRBITS)
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| 123 | #define _IOC_SIZESHIFT (_IOC_TYPESHIFT+_IOC_TYPEBITS)
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| 124 | #define _IOC_DIRSHIFT (_IOC_SIZESHIFT+_IOC_SIZEBITS)
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| 125 |
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| 126 | #define _IOC_NONE 0U
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| 127 | #define _IOC_WRITE 1U
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| 128 | #define _IOC_READ 2U
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| 129 |
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| 130 | #define _IOC(dir, type, nr, size) \
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| 131 | (((dir) << _IOC_DIRSHIFT) | \
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| 132 | ((type) << _IOC_TYPESHIFT) | \
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| 133 | ((nr) << _IOC_NRSHIFT) | \
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| 134 | ((size) << _IOC_SIZESHIFT))
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| 135 |
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| 136 | /* used for X server compile */
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| 137 | #if !defined(_KERNEL)
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| 138 | #define _IO(type, nr) _IOC(_IOC_NONE, (type), (nr), 0)
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| 139 | #define _IOR(type, nr, size) _IOC(_IOC_READ, (type), (nr), sizeof (size))
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| 140 | #define _IOW(type, nr, size) _IOC(_IOC_WRITE, (type), (nr), sizeof (size))
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| 141 | #define _IOWR(type, nr, size) _IOC(_IOC_READ|_IOC_WRITE, \
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| 142 | (type), (nr), sizeof (size))
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| 143 |
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| 144 | #define _IOC_DIR(nr) (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK)
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| 145 | #define _IOC_TYPE(nr) (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK)
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| 146 | #define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK)
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| 147 | #define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)
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| 148 |
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| 149 | #define IOC_IN (_IOC_WRITE << _IOC_DIRSHIFT)
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| 150 | #define IOC_OUT (_IOC_READ << _IOC_DIRSHIFT)
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| 151 | #define IOC_INOUT ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT)
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| 152 | #define IOCSIZE_MASK (_IOC_SIZEMASK << _IOC_SIZESHIFT)
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| 153 | #define IOCSIZE_SHIFT (_IOC_SIZESHIFT)
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| 154 | #endif /* _KERNEL */
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| 155 |
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| 156 | #define DRM_IOCTL_NR(n) _IOC_NR(n)
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| 157 | #define DRM_IOC_VOID IOC_VOID
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| 158 | #define DRM_IOC_READ IOC_OUT
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| 159 | #define DRM_IOC_WRITE IOC_IN
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| 160 | #define DRM_IOC_READWRITE IOC_INOUT
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| 161 | #define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
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| 162 |
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| 163 | #endif /* __Solaris__ or sun */
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| 164 | #define XFREE86_VERSION(major,minor,patch,snap) \
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| 165 | ((major << 16) | (minor << 8) | patch)
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| 166 |
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| 167 | #ifndef CONFIG_XFREE86_VERSION
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| 168 | #define CONFIG_XFREE86_VERSION XFREE86_VERSION(4,1,0,0)
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| 169 | #endif
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| 170 |
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| 171 | #if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0)
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| 172 | #define DRM_PROC_DEVICES "/proc/devices"
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| 173 | #define DRM_PROC_MISC "/proc/misc"
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| 174 | #define DRM_PROC_DRM "/proc/drm"
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| 175 | #define DRM_DEV_DRM "/dev/drm"
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| 176 | #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
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| 177 | #define DRM_DEV_UID 0
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| 178 | #define DRM_DEV_GID 0
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| 179 | #endif
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| 180 |
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| 181 | #if CONFIG_XFREE86_VERSION >= XFREE86_VERSION(4,1,0,0)
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| 182 | #ifdef __OpenBSD__
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| 183 | #define DRM_MAJOR 81
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| 184 | #endif
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| 185 | #if defined(__linux__) || defined(__NetBSD__)
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| 186 | #define DRM_MAJOR 226
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| 187 | #endif
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| 188 | #define DRM_MAX_MINOR 15
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| 189 | #endif
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| 190 | #define DRM_NAME "drm" /**< Name in kernel, /dev, and /proc */
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| 191 | #define DRM_MIN_ORDER 5 /**< At least 2^5 bytes = 32 bytes */
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| 192 | #define DRM_MAX_ORDER 22 /**< Up to 2^22 bytes = 4MB */
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| 193 | #define DRM_RAM_PERCENT 10 /**< How much system ram can we lock? */
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| 194 |
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| 195 | #define _DRM_LOCK_HELD 0x80000000U /**< Hardware lock is held */
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| 196 | #define _DRM_LOCK_CONT 0x40000000U /**< Hardware lock is contended */
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| 197 | #define _DRM_LOCK_IS_HELD(lock) ((lock) & _DRM_LOCK_HELD)
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| 198 | #define _DRM_LOCK_IS_CONT(lock) ((lock) & _DRM_LOCK_CONT)
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| 199 | #define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT))
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| 200 |
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| 201 | #if defined(__linux__)
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| 202 | #if defined(__KERNEL__)
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| 203 | typedef __u64 drm_u64_t;
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| 204 | #else
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| 205 | typedef unsigned long long drm_u64_t;
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| 206 | #endif
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| 207 |
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| 208 | typedef unsigned int drm_handle_t;
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| 209 | #else
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| 210 | #include <sys/types.h>
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| 211 | typedef uint64_t drm_u64_t;
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| 212 | typedef unsigned long long drm_handle_t; /**< To mapped regions */
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| 213 | #endif
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| 214 | typedef unsigned int drm_context_t; /**< GLXContext handle */
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| 215 | typedef unsigned int drm_drawable_t;
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| 216 | typedef unsigned int drm_magic_t; /**< Magic for authentication */
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| 217 |
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| 218 | /**
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| 219 | * Cliprect.
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| 220 | *
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| 221 | * \warning If you change this structure, make sure you change
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| 222 | * XF86DRIClipRectRec in the server as well
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| 223 | *
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| 224 | * \note KW: Actually it's illegal to change either for
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| 225 | * backwards-compatibility reasons.
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| 226 | */
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| 227 | typedef struct drm_clip_rect {
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| 228 | unsigned short x1;
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| 229 | unsigned short y1;
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| 230 | unsigned short x2;
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| 231 | unsigned short y2;
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| 232 | } drm_clip_rect_t;
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| 233 |
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| 234 | /**
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| 235 | * Drawable information.
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| 236 | */
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| 237 | typedef struct drm_drawable_info {
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| 238 | unsigned int num_rects;
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| 239 | drm_clip_rect_t *rects;
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| 240 | } drm_drawable_info_t;
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| 241 |
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| 242 | /**
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| 243 | * Texture region,
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| 244 | */
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| 245 | typedef struct drm_tex_region {
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| 246 | unsigned char next;
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| 247 | unsigned char prev;
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| 248 | unsigned char in_use;
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| 249 | unsigned char padding;
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| 250 | unsigned int age;
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| 251 | } drm_tex_region_t;
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| 252 |
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| 253 | /**
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| 254 | * Hardware lock.
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| 255 | *
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| 256 | * The lock structure is a simple cache-line aligned integer. To avoid
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| 257 | * processor bus contention on a multiprocessor system, there should not be any
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| 258 | * other data stored in the same cache line.
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| 259 | */
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| 260 | typedef struct drm_hw_lock {
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| 261 | __volatile__ unsigned int lock; /**< lock variable */
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| 262 | char padding[60]; /**< Pad to cache line */
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| 263 | } drm_hw_lock_t;
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| 264 |
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| 265 | /* This is beyond ugly, and only works on GCC. However, it allows me to use
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| 266 | * drm.h in places (i.e., in the X-server) where I can't use size_t. The real
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| 267 | * fix is to use uint32_t instead of size_t, but that fix will break existing
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| 268 | * LP64 (i.e., PowerPC64, SPARC64, IA-64, Alpha, etc.) systems. That *will*
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| 269 | * eventually happen, though. I chose 'unsigned long' to be the fallback type
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| 270 | * because that works on all the platforms I know about. Hopefully, the
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| 271 | * real fix will happen before that bites us.
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| 272 | */
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| 273 |
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| 274 | #ifdef __SIZE_TYPE__
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| 275 | # define DRM_SIZE_T __SIZE_TYPE__
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| 276 | #else
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| 277 | #if !defined(__SOLARIS__) && !defined(sun)
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| 278 | # warning "__SIZE_TYPE__ not defined. Assuming sizeof(size_t) == sizeof(unsigned long)!"
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| 279 | #endif
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| 280 | # define DRM_SIZE_T unsigned long
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| 281 | #endif
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| 282 |
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| 283 | /**
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| 284 | * DRM_IOCTL_VERSION ioctl argument type.
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| 285 | *
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| 286 | * \sa drmGetVersion().
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| 287 | */
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| 288 | typedef struct drm_version {
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| 289 | int version_major; /**< Major version */
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| 290 | int version_minor; /**< Minor version */
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| 291 | int version_patchlevel; /**< Patch level */
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| 292 | DRM_SIZE_T name_len; /**< Length of name buffer */
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| 293 | char __user *name; /**< Name of driver */
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| 294 | DRM_SIZE_T date_len; /**< Length of date buffer */
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| 295 | char __user *date; /**< User-space buffer to hold date */
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| 296 | DRM_SIZE_T desc_len; /**< Length of desc buffer */
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| 297 | char __user *desc; /**< User-space buffer to hold desc */
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| 298 | } drm_version_t;
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| 299 |
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| 300 | /**
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| 301 | * DRM_IOCTL_GET_UNIQUE ioctl argument type.
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| 302 | *
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| 303 | * \sa drmGetBusid() and drmSetBusId().
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| 304 | */
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| 305 | typedef struct drm_unique {
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| 306 | DRM_SIZE_T unique_len; /**< Length of unique */
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| 307 | char __user *unique; /**< Unique name for driver instantiation */
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| 308 | } drm_unique_t;
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| 309 |
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| 310 | #undef DRM_SIZE_T
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| 311 |
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| 312 | typedef struct drm_list {
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| 313 | int count; /**< Length of user-space structures */
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| 314 | drm_version_t __user *version;
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| 315 | } drm_list_t;
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| 316 |
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| 317 | typedef struct drm_block {
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| 318 | int unused;
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| 319 | } drm_block_t;
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| 320 |
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| 321 | /**
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| 322 | * DRM_IOCTL_CONTROL ioctl argument type.
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| 323 | *
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| 324 | * \sa drmCtlInstHandler() and drmCtlUninstHandler().
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| 325 | */
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| 326 | typedef struct drm_control {
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| 327 | enum {
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| 328 | DRM_ADD_COMMAND,
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| 329 | DRM_RM_COMMAND,
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| 330 | DRM_INST_HANDLER,
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| 331 | DRM_UNINST_HANDLER
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| 332 | } func;
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| 333 | int irq;
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| 334 | } drm_control_t;
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| 335 |
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| 336 | /**
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| 337 | * Type of memory to map.
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| 338 | */
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| 339 | typedef enum drm_map_type {
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| 340 | _DRM_FRAME_BUFFER = 0, /**< WC (no caching), no core dump */
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| 341 | _DRM_REGISTERS = 1, /**< no caching, no core dump */
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| 342 | _DRM_SHM = 2, /**< shared, cached */
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| 343 | _DRM_AGP = 3, /**< AGP/GART */
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| 344 | _DRM_SCATTER_GATHER = 4, /**< Scatter/gather memory for PCI DMA */
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| 345 | _DRM_CONSISTENT = 5, /**< Consistent memory for PCI DMA */
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| 346 | _DRM_TTM = 6
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| 347 | } drm_map_type_t;
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| 348 |
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| 349 | /**
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| 350 | * Memory mapping flags.
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| 351 | */
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| 352 | typedef enum drm_map_flags {
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| 353 | _DRM_RESTRICTED = 0x01, /**< Cannot be mapped to user-virtual */
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| 354 | _DRM_READ_ONLY = 0x02,
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| 355 | _DRM_LOCKED = 0x04, /**< shared, cached, locked */
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| 356 | _DRM_KERNEL = 0x08, /**< kernel requires access */
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| 357 | _DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */
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| 358 | _DRM_CONTAINS_LOCK = 0x20, /**< SHM page that contains lock */
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| 359 | _DRM_REMOVABLE = 0x40, /**< Removable mapping */
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| 360 | _DRM_DRIVER = 0x80 /**< Managed by driver */
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| 361 | } drm_map_flags_t;
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| 362 |
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| 363 | typedef struct drm_ctx_priv_map {
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| 364 | unsigned int ctx_id; /**< Context requesting private mapping */
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| 365 | void *handle; /**< Handle of map */
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| 366 | } drm_ctx_priv_map_t;
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| 367 |
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| 368 | /**
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| 369 | * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls
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| 370 | * argument type.
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| 371 | *
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| 372 | * \sa drmAddMap().
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| 373 | */
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| 374 | typedef struct drm_map {
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| 375 | unsigned long long offset; /**< Requested physical address (0 for SAREA)*/
|
|---|
| 376 | unsigned long long handle;
|
|---|
| 377 | /**< User-space: "Handle" to pass to mmap() */
|
|---|
| 378 | /**< Kernel-space: kernel-virtual address */
|
|---|
| 379 | unsigned long size; /**< Requested physical size (bytes) */
|
|---|
| 380 | drm_map_type_t type; /**< Type of memory to map */
|
|---|
| 381 | drm_map_flags_t flags; /**< Flags */
|
|---|
| 382 | int mtrr; /**< MTRR slot used */
|
|---|
| 383 | /* Private data */
|
|---|
| 384 | } drm_map_t;
|
|---|
| 385 |
|
|---|
| 386 | /**
|
|---|
| 387 | * DRM_IOCTL_GET_CLIENT ioctl argument type.
|
|---|
| 388 | */
|
|---|
| 389 | typedef struct drm_client {
|
|---|
| 390 | int idx; /**< Which client desired? */
|
|---|
| 391 | int auth; /**< Is client authenticated? */
|
|---|
| 392 | unsigned long pid; /**< Process ID */
|
|---|
| 393 | unsigned long uid; /**< User ID */
|
|---|
| 394 | unsigned long magic; /**< Magic */
|
|---|
| 395 | unsigned long iocs; /**< Ioctl count */
|
|---|
| 396 | } drm_client_t;
|
|---|
| 397 |
|
|---|
| 398 | typedef enum {
|
|---|
| 399 | _DRM_STAT_LOCK,
|
|---|
| 400 | _DRM_STAT_OPENS,
|
|---|
| 401 | _DRM_STAT_CLOSES,
|
|---|
| 402 | _DRM_STAT_IOCTLS,
|
|---|
| 403 | _DRM_STAT_LOCKS,
|
|---|
| 404 | _DRM_STAT_UNLOCKS,
|
|---|
| 405 | _DRM_STAT_VALUE, /**< Generic value */
|
|---|
| 406 | _DRM_STAT_BYTE, /**< Generic byte counter (1024bytes/K) */
|
|---|
| 407 | _DRM_STAT_COUNT, /**< Generic non-byte counter (1000/k) */
|
|---|
| 408 |
|
|---|
| 409 | _DRM_STAT_IRQ, /**< IRQ */
|
|---|
| 410 | _DRM_STAT_PRIMARY, /**< Primary DMA bytes */
|
|---|
| 411 | _DRM_STAT_SECONDARY, /**< Secondary DMA bytes */
|
|---|
| 412 | _DRM_STAT_DMA, /**< DMA */
|
|---|
| 413 | _DRM_STAT_SPECIAL, /**< Special DMA (e.g., priority or polled) */
|
|---|
| 414 | _DRM_STAT_MISSED /**< Missed DMA opportunity */
|
|---|
| 415 | /* Add to the *END* of the list */
|
|---|
| 416 | } drm_stat_type_t;
|
|---|
| 417 |
|
|---|
| 418 | /**
|
|---|
| 419 | * DRM_IOCTL_GET_STATS ioctl argument type.
|
|---|
| 420 | */
|
|---|
| 421 | typedef struct drm_stats {
|
|---|
| 422 | unsigned long count;
|
|---|
| 423 | struct {
|
|---|
| 424 | unsigned long value;
|
|---|
| 425 | drm_stat_type_t type;
|
|---|
| 426 | } data[15];
|
|---|
| 427 | } drm_stats_t;
|
|---|
| 428 |
|
|---|
| 429 | /**
|
|---|
| 430 | * Hardware locking flags.
|
|---|
| 431 | */
|
|---|
| 432 | typedef enum drm_lock_flags {
|
|---|
| 433 | _DRM_LOCK_READY = 0x01, /**< Wait until hardware is ready for DMA */
|
|---|
| 434 | _DRM_LOCK_QUIESCENT = 0x02, /**< Wait until hardware quiescent */
|
|---|
| 435 | _DRM_LOCK_FLUSH = 0x04, /**< Flush this context's DMA queue first */
|
|---|
| 436 | _DRM_LOCK_FLUSH_ALL = 0x08, /**< Flush all DMA queues first */
|
|---|
| 437 | /* These *HALT* flags aren't supported yet
|
|---|
| 438 | -- they will be used to support the
|
|---|
| 439 | full-screen DGA-like mode. */
|
|---|
| 440 | _DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */
|
|---|
| 441 | _DRM_HALT_CUR_QUEUES = 0x20 /**< Halt all current queues */
|
|---|
| 442 | } drm_lock_flags_t;
|
|---|
| 443 |
|
|---|
| 444 | /**
|
|---|
| 445 | * DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type.
|
|---|
| 446 | *
|
|---|
| 447 | * \sa drmGetLock() and drmUnlock().
|
|---|
| 448 | */
|
|---|
| 449 | typedef struct drm_lock {
|
|---|
| 450 | int context;
|
|---|
| 451 | drm_lock_flags_t flags;
|
|---|
| 452 | } drm_lock_t;
|
|---|
| 453 |
|
|---|
| 454 | /**
|
|---|
| 455 | * DMA flags
|
|---|
| 456 | *
|
|---|
| 457 | * \warning
|
|---|
| 458 | * These values \e must match xf86drm.h.
|
|---|
| 459 | *
|
|---|
| 460 | * \sa drm_dma.
|
|---|
| 461 | */
|
|---|
| 462 | typedef enum drm_dma_flags {
|
|---|
| 463 | /* Flags for DMA buffer dispatch */
|
|---|
| 464 | _DRM_DMA_BLOCK = 0x01, /**<
|
|---|
| 465 | * Block until buffer dispatched.
|
|---|
| 466 | *
|
|---|
| 467 | * \note The buffer may not yet have
|
|---|
| 468 | * been processed by the hardware --
|
|---|
| 469 | * getting a hardware lock with the
|
|---|
| 470 | * hardware quiescent will ensure
|
|---|
| 471 | * that the buffer has been
|
|---|
| 472 | * processed.
|
|---|
| 473 | */
|
|---|
| 474 | _DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */
|
|---|
| 475 | _DRM_DMA_PRIORITY = 0x04, /**< High priority dispatch */
|
|---|
| 476 |
|
|---|
| 477 | /* Flags for DMA buffer request */
|
|---|
| 478 | _DRM_DMA_WAIT = 0x10, /**< Wait for free buffers */
|
|---|
| 479 | _DRM_DMA_SMALLER_OK = 0x20, /**< Smaller-than-requested buffers OK */
|
|---|
| 480 | _DRM_DMA_LARGER_OK = 0x40 /**< Larger-than-requested buffers OK */
|
|---|
| 481 | } drm_dma_flags_t;
|
|---|
| 482 |
|
|---|
| 483 | /**
|
|---|
| 484 | * DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type.
|
|---|
| 485 | *
|
|---|
| 486 | * \sa drmAddBufs().
|
|---|
| 487 | */
|
|---|
| 488 | typedef enum {
|
|---|
| 489 | _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */
|
|---|
| 490 | _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */
|
|---|
| 491 | _DRM_SG_BUFFER = 0x04, /**< Scatter/gather memory buffer */
|
|---|
| 492 | _DRM_FB_BUFFER = 0x08, /**< Buffer is in frame buffer */
|
|---|
| 493 | _DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */
|
|---|
| 494 | } drm_buf_flag;
|
|---|
| 495 | typedef struct drm_buf_desc {
|
|---|
| 496 | int count; /**< Number of buffers of this size */
|
|---|
| 497 | int size; /**< Size in bytes */
|
|---|
| 498 | int low_mark; /**< Low water mark */
|
|---|
| 499 | int high_mark; /**< High water mark */
|
|---|
| 500 | drm_buf_flag flags;
|
|---|
| 501 | unsigned long agp_start; /**<
|
|---|
| 502 | * Start address of where the AGP buffers are
|
|---|
| 503 | * in the AGP aperture
|
|---|
| 504 | */
|
|---|
| 505 | } drm_buf_desc_t;
|
|---|
| 506 |
|
|---|
| 507 | /**
|
|---|
| 508 | * DRM_IOCTL_INFO_BUFS ioctl argument type.
|
|---|
| 509 | */
|
|---|
| 510 | typedef struct drm_buf_info {
|
|---|
| 511 | int count; /**< Number of buffers described in list */
|
|---|
| 512 | drm_buf_desc_t __user *list; /**< List of buffer descriptions */
|
|---|
| 513 | } drm_buf_info_t;
|
|---|
| 514 |
|
|---|
| 515 | /**
|
|---|
| 516 | * DRM_IOCTL_FREE_BUFS ioctl argument type.
|
|---|
| 517 | */
|
|---|
| 518 | typedef struct drm_buf_free {
|
|---|
| 519 | int count;
|
|---|
| 520 | int __user *list;
|
|---|
| 521 | } drm_buf_free_t;
|
|---|
| 522 |
|
|---|
| 523 | /**
|
|---|
| 524 | * Buffer information
|
|---|
| 525 | *
|
|---|
| 526 | * \sa drm_buf_map.
|
|---|
| 527 | */
|
|---|
| 528 | typedef struct drm_buf_pub {
|
|---|
| 529 | int idx; /**< Index into the master buffer list */
|
|---|
| 530 | int total; /**< Buffer size */
|
|---|
| 531 | int used; /**< Amount of buffer in use (for DMA) */
|
|---|
| 532 | void __user *address; /**< Address of buffer */
|
|---|
| 533 | } drm_buf_pub_t;
|
|---|
| 534 |
|
|---|
| 535 | /**
|
|---|
| 536 | * DRM_IOCTL_MAP_BUFS ioctl argument type.
|
|---|
| 537 | */
|
|---|
| 538 | typedef struct drm_buf_map {
|
|---|
| 539 | int count; /**< Length of the buffer list */
|
|---|
| 540 | #if defined(__cplusplus)
|
|---|
| 541 | void __user *c_virtual;
|
|---|
| 542 | #else
|
|---|
| 543 | void __user *virtual; /**< Mmap'd area in user-virtual */
|
|---|
| 544 | #endif
|
|---|
| 545 | drm_buf_pub_t __user *list; /**< Buffer information */
|
|---|
| 546 | int fd;
|
|---|
| 547 | } drm_buf_map_t;
|
|---|
| 548 |
|
|---|
| 549 | /**
|
|---|
| 550 | * DRM_IOCTL_DMA ioctl argument type.
|
|---|
| 551 | *
|
|---|
| 552 | * Indices here refer to the offset into the buffer list in drm_buf_get.
|
|---|
| 553 | *
|
|---|
| 554 | * \sa drmDMA().
|
|---|
| 555 | */
|
|---|
| 556 | typedef struct drm_dma {
|
|---|
| 557 | int context; /**< Context handle */
|
|---|
| 558 | int send_count; /**< Number of buffers to send */
|
|---|
| 559 | int __user *send_indices; /**< List of handles to buffers */
|
|---|
| 560 | int __user *send_sizes; /**< Lengths of data to send */
|
|---|
| 561 | drm_dma_flags_t flags; /**< Flags */
|
|---|
| 562 | int request_count; /**< Number of buffers requested */
|
|---|
| 563 | int request_size; /**< Desired size for buffers */
|
|---|
| 564 | int __user *request_indices; /**< Buffer information */
|
|---|
| 565 | int __user *request_sizes;
|
|---|
| 566 | int granted_count; /**< Number of buffers granted */
|
|---|
| 567 | } drm_dma_t;
|
|---|
| 568 |
|
|---|
| 569 | typedef enum {
|
|---|
| 570 | _DRM_CONTEXT_PRESERVED = 0x01,
|
|---|
| 571 | _DRM_CONTEXT_2DONLY = 0x02
|
|---|
| 572 | } drm_ctx_flags_t;
|
|---|
| 573 |
|
|---|
| 574 | /**
|
|---|
| 575 | * DRM_IOCTL_ADD_CTX ioctl argument type.
|
|---|
| 576 | *
|
|---|
| 577 | * \sa drmCreateContext() and drmDestroyContext().
|
|---|
| 578 | */
|
|---|
| 579 | typedef struct drm_ctx {
|
|---|
| 580 | drm_context_t handle;
|
|---|
| 581 | drm_ctx_flags_t flags;
|
|---|
| 582 | } drm_ctx_t;
|
|---|
| 583 |
|
|---|
| 584 | /**
|
|---|
| 585 | * DRM_IOCTL_RES_CTX ioctl argument type.
|
|---|
| 586 | */
|
|---|
| 587 | typedef struct drm_ctx_res {
|
|---|
| 588 | int count;
|
|---|
| 589 | drm_ctx_t __user *contexts;
|
|---|
| 590 | } drm_ctx_res_t;
|
|---|
| 591 |
|
|---|
| 592 |
|
|---|
| 593 | /**
|
|---|
| 594 | * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type.
|
|---|
| 595 | */
|
|---|
| 596 | typedef struct drm_draw {
|
|---|
| 597 | drm_drawable_t handle;
|
|---|
| 598 | } drm_draw_t;
|
|---|
| 599 |
|
|---|
| 600 | /**
|
|---|
| 601 | * DRM_IOCTL_UPDATE_DRAW ioctl argument type.
|
|---|
| 602 | */
|
|---|
| 603 | typedef enum {
|
|---|
| 604 | DRM_DRAWABLE_CLIPRECTS,
|
|---|
| 605 | } drm_drawable_info_type_t;
|
|---|
| 606 |
|
|---|
| 607 | typedef struct drm_update_draw {
|
|---|
| 608 | drm_drawable_t handle;
|
|---|
| 609 | unsigned int type;
|
|---|
| 610 | unsigned int num;
|
|---|
| 611 | unsigned long long data;
|
|---|
| 612 | } drm_update_draw_t;
|
|---|
| 613 |
|
|---|
| 614 | /**
|
|---|
| 615 | * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type.
|
|---|
| 616 | */
|
|---|
| 617 | typedef struct drm_auth {
|
|---|
| 618 | drm_magic_t magic;
|
|---|
| 619 | } drm_auth_t;
|
|---|
| 620 |
|
|---|
| 621 | /**
|
|---|
| 622 | * DRM_IOCTL_IRQ_BUSID ioctl argument type.
|
|---|
| 623 | *
|
|---|
| 624 | * \sa drmGetInterruptFromBusID().
|
|---|
| 625 | */
|
|---|
| 626 | typedef struct drm_irq_busid {
|
|---|
| 627 | int irq; /**< IRQ number */
|
|---|
| 628 | int busnum; /**< bus number */
|
|---|
| 629 | int devnum; /**< device number */
|
|---|
| 630 | int funcnum; /**< function number */
|
|---|
| 631 | } drm_irq_busid_t;
|
|---|
| 632 |
|
|---|
| 633 | typedef enum {
|
|---|
| 634 | _DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */
|
|---|
| 635 | _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */
|
|---|
| 636 | _DRM_VBLANK_FLIP = 0x8000000, /**< Scheduled buffer swap should flip */
|
|---|
| 637 | _DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */
|
|---|
| 638 | _DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */
|
|---|
| 639 | _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking */
|
|---|
| 640 | } drm_vblank_seq_type_t;
|
|---|
| 641 |
|
|---|
| 642 | #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE)
|
|---|
| 643 | #define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_SIGNAL | _DRM_VBLANK_SECONDARY | \
|
|---|
| 644 | _DRM_VBLANK_NEXTONMISS)
|
|---|
| 645 |
|
|---|
| 646 | struct drm_wait_vblank_request {
|
|---|
| 647 | drm_vblank_seq_type_t type;
|
|---|
| 648 | unsigned int sequence;
|
|---|
| 649 | unsigned long signal;
|
|---|
| 650 | };
|
|---|
| 651 |
|
|---|
| 652 | struct drm_wait_vblank_reply {
|
|---|
| 653 | drm_vblank_seq_type_t type;
|
|---|
| 654 | unsigned int sequence;
|
|---|
| 655 | long tval_sec;
|
|---|
| 656 | long tval_usec;
|
|---|
| 657 | };
|
|---|
| 658 |
|
|---|
| 659 | /**
|
|---|
| 660 | * DRM_IOCTL_WAIT_VBLANK ioctl argument type.
|
|---|
| 661 | *
|
|---|
| 662 | * \sa drmWaitVBlank().
|
|---|
| 663 | */
|
|---|
| 664 | typedef union drm_wait_vblank {
|
|---|
| 665 | struct drm_wait_vblank_request request;
|
|---|
| 666 | struct drm_wait_vblank_reply reply;
|
|---|
| 667 | } drm_wait_vblank_t;
|
|---|
| 668 |
|
|---|
| 669 | /**
|
|---|
| 670 | * DRM_IOCTL_AGP_ENABLE ioctl argument type.
|
|---|
| 671 | *
|
|---|
| 672 | * \sa drmAgpEnable().
|
|---|
| 673 | */
|
|---|
| 674 | typedef struct drm_agp_mode {
|
|---|
| 675 | unsigned long mode; /**< AGP mode */
|
|---|
| 676 | } drm_agp_mode_t;
|
|---|
| 677 |
|
|---|
| 678 | /**
|
|---|
| 679 | * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type.
|
|---|
| 680 | *
|
|---|
| 681 | * \sa drmAgpAlloc() and drmAgpFree().
|
|---|
| 682 | */
|
|---|
| 683 | typedef struct drm_agp_buffer {
|
|---|
| 684 | unsigned long size; /**< In bytes -- will round to page boundary */
|
|---|
| 685 | unsigned long handle; /**< Used for binding / unbinding */
|
|---|
| 686 | unsigned long type; /**< Type of memory to allocate */
|
|---|
| 687 | unsigned long physical; /**< Physical used by i810 */
|
|---|
| 688 | } drm_agp_buffer_t;
|
|---|
| 689 |
|
|---|
| 690 | /**
|
|---|
| 691 | * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type.
|
|---|
| 692 | *
|
|---|
| 693 | * \sa drmAgpBind() and drmAgpUnbind().
|
|---|
| 694 | */
|
|---|
| 695 | typedef struct drm_agp_binding {
|
|---|
| 696 | unsigned long handle; /**< From drm_agp_buffer */
|
|---|
| 697 | unsigned long offset; /**< In bytes -- will round to page boundary */
|
|---|
| 698 | } drm_agp_binding_t;
|
|---|
| 699 |
|
|---|
| 700 | /**
|
|---|
| 701 | * DRM_IOCTL_AGP_INFO ioctl argument type.
|
|---|
| 702 | *
|
|---|
| 703 | * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(),
|
|---|
| 704 | * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(),
|
|---|
| 705 | * drmAgpVendorId() and drmAgpDeviceId().
|
|---|
| 706 | */
|
|---|
| 707 | typedef struct drm_agp_info {
|
|---|
| 708 | int agp_version_major;
|
|---|
| 709 | int agp_version_minor;
|
|---|
| 710 | unsigned long mode;
|
|---|
| 711 | unsigned long aperture_base; /**< physical address */
|
|---|
| 712 | unsigned long aperture_size; /**< bytes */
|
|---|
| 713 | unsigned long memory_allowed; /**< bytes */
|
|---|
| 714 | unsigned long memory_used;
|
|---|
| 715 |
|
|---|
| 716 | /** \name PCI information */
|
|---|
| 717 | /*@{ */
|
|---|
| 718 | unsigned short id_vendor;
|
|---|
| 719 | unsigned short id_device;
|
|---|
| 720 | /*@} */
|
|---|
| 721 | } drm_agp_info_t;
|
|---|
| 722 |
|
|---|
| 723 | /**
|
|---|
| 724 | * DRM_IOCTL_SG_ALLOC ioctl argument type.
|
|---|
| 725 | */
|
|---|
| 726 | typedef struct drm_scatter_gather {
|
|---|
| 727 | unsigned long size; /**< In bytes -- will round to page boundary */
|
|---|
| 728 | unsigned long handle; /**< Used for mapping / unmapping */
|
|---|
| 729 | } drm_scatter_gather_t;
|
|---|
| 730 |
|
|---|
| 731 | /**
|
|---|
| 732 | * DRM_IOCTL_SET_VERSION ioctl argument type.
|
|---|
| 733 | */
|
|---|
| 734 | typedef struct drm_set_version {
|
|---|
| 735 | int drm_di_major;
|
|---|
| 736 | int drm_di_minor;
|
|---|
| 737 | int drm_dd_major;
|
|---|
| 738 | int drm_dd_minor;
|
|---|
| 739 | } drm_set_version_t;
|
|---|
| 740 |
|
|---|
| 741 | /**
|
|---|
| 742 | * \name Ioctls Definitions
|
|---|
| 743 | */
|
|---|
| 744 | /*@{*/
|
|---|
| 745 |
|
|---|
| 746 | #define DRM_IOCTL_BASE 'd'
|
|---|
| 747 | #define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr)
|
|---|
| 748 | #define DRM_IOR(nr,type) _IOR(DRM_IOCTL_BASE,nr,type)
|
|---|
| 749 | #define DRM_IOW(nr,type) _IOW(DRM_IOCTL_BASE,nr,type)
|
|---|
| 750 | #define DRM_IOWR(nr,type) _IOWR(DRM_IOCTL_BASE,nr,type)
|
|---|
| 751 |
|
|---|
| 752 | #define DRM_IOCTL_VERSION DRM_IOWR(0x00, drm_version_t)
|
|---|
| 753 | #define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm_unique_t)
|
|---|
| 754 | #define DRM_IOCTL_GET_MAGIC DRM_IOR( 0x02, drm_auth_t)
|
|---|
| 755 | #define DRM_IOCTL_IRQ_BUSID DRM_IOWR(0x03, drm_irq_busid_t)
|
|---|
| 756 | #define DRM_IOCTL_GET_MAP DRM_IOWR(0x04, drm_map_t)
|
|---|
| 757 | #define DRM_IOCTL_GET_CLIENT DRM_IOWR(0x05, drm_client_t)
|
|---|
| 758 | #define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, drm_stats_t)
|
|---|
| 759 | #define DRM_IOCTL_SET_VERSION DRM_IOWR(0x07, drm_set_version_t)
|
|---|
| 760 |
|
|---|
| 761 | #define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, drm_unique_t)
|
|---|
| 762 | #define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, drm_auth_t)
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| 763 | #define DRM_IOCTL_BLOCK DRM_IOWR(0x12, drm_block_t)
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| 764 | #define DRM_IOCTL_UNBLOCK DRM_IOWR(0x13, drm_block_t)
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| 765 | #define DRM_IOCTL_CONTROL DRM_IOW( 0x14, drm_control_t)
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| 766 | #define DRM_IOCTL_ADD_MAP DRM_IOWR(0x15, drm_map_t)
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| 767 | #define DRM_IOCTL_ADD_BUFS DRM_IOWR(0x16, drm_buf_desc_t)
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| 768 | #define DRM_IOCTL_MARK_BUFS DRM_IOW( 0x17, drm_buf_desc_t)
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| 769 | #define DRM_IOCTL_INFO_BUFS DRM_IOWR(0x18, drm_buf_info_t)
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| 770 | #define DRM_IOCTL_MAP_BUFS DRM_IOWR(0x19, drm_buf_map_t)
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| 771 | #define DRM_IOCTL_FREE_BUFS DRM_IOW( 0x1a, drm_buf_free_t)
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| 772 |
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| 773 | #define DRM_IOCTL_RM_MAP DRM_IOW( 0x1b, drm_map_t)
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| 774 |
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| 775 | #define DRM_IOCTL_SET_SAREA_CTX DRM_IOW( 0x1c, drm_ctx_priv_map_t)
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| 776 | #define DRM_IOCTL_GET_SAREA_CTX DRM_IOWR(0x1d, drm_ctx_priv_map_t)
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| 777 |
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| 778 | #define DRM_IOCTL_ADD_CTX DRM_IOWR(0x20, drm_ctx_t)
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| 779 | #define DRM_IOCTL_RM_CTX DRM_IOWR(0x21, drm_ctx_t)
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| 780 | #define DRM_IOCTL_MOD_CTX DRM_IOW( 0x22, drm_ctx_t)
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| 781 | #define DRM_IOCTL_GET_CTX DRM_IOWR(0x23, drm_ctx_t)
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| 782 | #define DRM_IOCTL_SWITCH_CTX DRM_IOW( 0x24, drm_ctx_t)
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| 783 | #define DRM_IOCTL_NEW_CTX DRM_IOW( 0x25, drm_ctx_t)
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| 784 | #define DRM_IOCTL_RES_CTX DRM_IOWR(0x26, drm_ctx_res_t)
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| 785 | #define DRM_IOCTL_ADD_DRAW DRM_IOWR(0x27, drm_draw_t)
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| 786 | #define DRM_IOCTL_RM_DRAW DRM_IOWR(0x28, drm_draw_t)
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| 787 | #define DRM_IOCTL_DMA DRM_IOWR(0x29, drm_dma_t)
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| 788 | #define DRM_IOCTL_LOCK DRM_IOW( 0x2a, drm_lock_t)
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| 789 | #define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, drm_lock_t)
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| 790 | #define DRM_IOCTL_FINISH DRM_IOW( 0x2c, drm_lock_t)
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| 791 |
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| 792 | #define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30)
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| 793 | #define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31)
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| 794 | #define DRM_IOCTL_AGP_ENABLE DRM_IOW( 0x32, drm_agp_mode_t)
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| 795 | #define DRM_IOCTL_AGP_INFO DRM_IOR( 0x33, drm_agp_info_t)
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| 796 | #define DRM_IOCTL_AGP_ALLOC DRM_IOWR(0x34, drm_agp_buffer_t)
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| 797 | #define DRM_IOCTL_AGP_FREE DRM_IOW( 0x35, drm_agp_buffer_t)
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| 798 | #define DRM_IOCTL_AGP_BIND DRM_IOW( 0x36, drm_agp_binding_t)
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| 799 | #define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, drm_agp_binding_t)
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| 800 |
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| 801 | #define DRM_IOCTL_SG_ALLOC DRM_IOW( 0x38, drm_scatter_gather_t)
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| 802 | #define DRM_IOCTL_SG_FREE DRM_IOW( 0x39, drm_scatter_gather_t)
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| 803 |
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| 804 | #define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, drm_wait_vblank_t)
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| 805 |
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| 806 | #define DRM_IOCTL_UPDATE_DRAW DRM_IOW(0x3f, drm_update_draw_t)
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| 807 | /*@}*/
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| 808 |
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| 809 | /**
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| 810 | * Device specific ioctls should only be in their respective headers
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| 811 | * The device specific ioctl range is from 0x40 to 0x99.
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| 812 | * Generic IOCTLS restart at 0xA0.
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| 813 | *
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| 814 | * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and
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| 815 | * drmCommandReadWrite().
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| 816 | */
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| 817 | #define DRM_COMMAND_BASE 0x40
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| 818 | #define DRM_COMMAND_END 0xA0
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| 819 |
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| 820 | #endif /* _DRM_H_ */
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