drivers/char/drm/drm.h

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