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OpenCloudOS-Kernel/drivers/char/drm/drm.h

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/**
* \file drm.h
* Header for the Direct Rendering Manager
*
* \author Rickard E. (Rik) Faith <faith@valinux.com>
*
* \par Acknowledgments:
* Dec 1999, Richard Henderson <rth@twiddle.net>, move to generic \c cmpxchg.
*/
/*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* 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
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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.
*/
#ifndef _DRM_H_
#define _DRM_H_
#if defined(__linux__)
#if defined(__KERNEL__)
#endif
#include <asm/ioctl.h> /* For _IO* macros */
#define DRM_IOCTL_NR(n) _IOC_NR(n)
#define DRM_IOC_VOID _IOC_NONE
#define DRM_IOC_READ _IOC_READ
#define DRM_IOC_WRITE _IOC_WRITE
#define DRM_IOC_READWRITE _IOC_READ|_IOC_WRITE
#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
#if defined(__FreeBSD__) && defined(IN_MODULE)
/* Prevent name collision when including sys/ioccom.h */
#undef ioctl
#include <sys/ioccom.h>
#define ioctl(a,b,c) xf86ioctl(a,b,c)
#else
#include <sys/ioccom.h>
#endif /* __FreeBSD__ && xf86ioctl */
#define DRM_IOCTL_NR(n) ((n) & 0xff)
#define DRM_IOC_VOID IOC_VOID
#define DRM_IOC_READ IOC_OUT
#define DRM_IOC_WRITE IOC_IN
#define DRM_IOC_READWRITE IOC_INOUT
#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
#endif
#define XFREE86_VERSION(major,minor,patch,snap) \
((major << 16) | (minor << 8) | patch)
#ifndef CONFIG_XFREE86_VERSION
#define CONFIG_XFREE86_VERSION XFREE86_VERSION(4,1,0,0)
#endif
#if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0)
#define DRM_PROC_DEVICES "/proc/devices"
#define DRM_PROC_MISC "/proc/misc"
#define DRM_PROC_DRM "/proc/drm"
#define DRM_DEV_DRM "/dev/drm"
#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
#define DRM_DEV_UID 0
#define DRM_DEV_GID 0
#endif
#if CONFIG_XFREE86_VERSION >= XFREE86_VERSION(4,1,0,0)
#define DRM_MAJOR 226
#define DRM_MAX_MINOR 15
#endif
#define DRM_NAME "drm" /**< Name in kernel, /dev, and /proc */
#define DRM_MIN_ORDER 5 /**< At least 2^5 bytes = 32 bytes */
#define DRM_MAX_ORDER 22 /**< Up to 2^22 bytes = 4MB */
#define DRM_RAM_PERCENT 10 /**< How much system ram can we lock? */
#define _DRM_LOCK_HELD 0x80000000U /**< Hardware lock is held */
#define _DRM_LOCK_CONT 0x40000000U /**< Hardware lock is contended */
#define _DRM_LOCK_IS_HELD(lock) ((lock) & _DRM_LOCK_HELD)
#define _DRM_LOCK_IS_CONT(lock) ((lock) & _DRM_LOCK_CONT)
#define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT))
typedef unsigned int drm_handle_t;
typedef unsigned int drm_context_t;
typedef unsigned int drm_drawable_t;
typedef unsigned int drm_magic_t;
/**
* Cliprect.
*
* \warning: If you change this structure, make sure you change
* XF86DRIClipRectRec in the server as well
*
* \note KW: Actually it's illegal to change either for
* backwards-compatibility reasons.
*/
typedef struct drm_clip_rect {
unsigned short x1;
unsigned short y1;
unsigned short x2;
unsigned short y2;
} drm_clip_rect_t;
/**
* Texture region,
*/
typedef struct drm_tex_region {
unsigned char next;
unsigned char prev;
unsigned char in_use;
unsigned char padding;
unsigned int age;
} drm_tex_region_t;
/**
* Hardware lock.
*
* The lock structure is a simple cache-line aligned integer. To avoid
* processor bus contention on a multiprocessor system, there should not be any
* other data stored in the same cache line.
*/
typedef struct drm_hw_lock {
__volatile__ unsigned int lock; /**< lock variable */
char padding[60]; /**< Pad to cache line */
} drm_hw_lock_t;
/**
* DRM_IOCTL_VERSION ioctl argument type.
*
* \sa drmGetVersion().
*/
typedef struct drm_version {
int version_major; /**< Major version */
int version_minor; /**< Minor version */
int version_patchlevel; /**< Patch level */
size_t name_len; /**< Length of name buffer */
char __user *name; /**< Name of driver */
size_t date_len; /**< Length of date buffer */
char __user *date; /**< User-space buffer to hold date */
size_t desc_len; /**< Length of desc buffer */
char __user *desc; /**< User-space buffer to hold desc */
} drm_version_t;
/**
* DRM_IOCTL_GET_UNIQUE ioctl argument type.
*
* \sa drmGetBusid() and drmSetBusId().
*/
typedef struct drm_unique {
size_t unique_len; /**< Length of unique */
char __user *unique; /**< Unique name for driver instantiation */
} drm_unique_t;
typedef struct drm_list {
int count; /**< Length of user-space structures */
drm_version_t __user *version;
} drm_list_t;
typedef struct drm_block {
int unused;
} drm_block_t;
/**
* DRM_IOCTL_CONTROL ioctl argument type.
*
* \sa drmCtlInstHandler() and drmCtlUninstHandler().
*/
typedef struct drm_control {
enum {
DRM_ADD_COMMAND,
DRM_RM_COMMAND,
DRM_INST_HANDLER,
DRM_UNINST_HANDLER
} func;
int irq;
} drm_control_t;
/**
* Type of memory to map.
*/
typedef enum drm_map_type {
_DRM_FRAME_BUFFER = 0, /**< WC (no caching), no core dump */
_DRM_REGISTERS = 1, /**< no caching, no core dump */
_DRM_SHM = 2, /**< shared, cached */
_DRM_AGP = 3, /**< AGP/GART */
_DRM_SCATTER_GATHER = 4, /**< Scatter/gather memory for PCI DMA */
_DRM_CONSISTENT = 5, /**< Consistent memory for PCI DMA */
} drm_map_type_t;
/**
* Memory mapping flags.
*/
typedef enum drm_map_flags {
_DRM_RESTRICTED = 0x01, /**< Cannot be mapped to user-virtual */
_DRM_READ_ONLY = 0x02,
_DRM_LOCKED = 0x04, /**< shared, cached, locked */
_DRM_KERNEL = 0x08, /**< kernel requires access */
_DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */
_DRM_CONTAINS_LOCK = 0x20, /**< SHM page that contains lock */
_DRM_REMOVABLE = 0x40 /**< Removable mapping */
} drm_map_flags_t;
typedef struct drm_ctx_priv_map {
unsigned int ctx_id; /**< Context requesting private mapping */
void *handle; /**< Handle of map */
} drm_ctx_priv_map_t;
/**
* DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls
* argument type.
*
* \sa drmAddMap().
*/
typedef struct drm_map {
unsigned long offset; /**< Requested physical address (0 for SAREA)*/
unsigned long size; /**< Requested physical size (bytes) */
drm_map_type_t type; /**< Type of memory to map */
drm_map_flags_t flags; /**< Flags */
void *handle; /**< User-space: "Handle" to pass to mmap() */
/**< Kernel-space: kernel-virtual address */
int mtrr; /**< MTRR slot used */
/* Private data */
} drm_map_t;
/**
* DRM_IOCTL_GET_CLIENT ioctl argument type.
*/
typedef struct drm_client {
int idx; /**< Which client desired? */
int auth; /**< Is client authenticated? */
unsigned long pid; /**< Process ID */
unsigned long uid; /**< User ID */
unsigned long magic; /**< Magic */
unsigned long iocs; /**< Ioctl count */
} drm_client_t;
typedef enum {
_DRM_STAT_LOCK,
_DRM_STAT_OPENS,
_DRM_STAT_CLOSES,
_DRM_STAT_IOCTLS,
_DRM_STAT_LOCKS,
_DRM_STAT_UNLOCKS,
_DRM_STAT_VALUE, /**< Generic value */
_DRM_STAT_BYTE, /**< Generic byte counter (1024bytes/K) */
_DRM_STAT_COUNT, /**< Generic non-byte counter (1000/k) */
_DRM_STAT_IRQ, /**< IRQ */
_DRM_STAT_PRIMARY, /**< Primary DMA bytes */
_DRM_STAT_SECONDARY, /**< Secondary DMA bytes */
_DRM_STAT_DMA, /**< DMA */
_DRM_STAT_SPECIAL, /**< Special DMA (e.g., priority or polled) */
_DRM_STAT_MISSED /**< Missed DMA opportunity */
/* Add to the *END* of the list */
} drm_stat_type_t;
/**
* DRM_IOCTL_GET_STATS ioctl argument type.
*/
typedef struct drm_stats {
unsigned long count;
struct {
unsigned long value;
drm_stat_type_t type;
} data[15];
} drm_stats_t;
/**
* Hardware locking flags.
*/
typedef enum drm_lock_flags {
_DRM_LOCK_READY = 0x01, /**< Wait until hardware is ready for DMA */
_DRM_LOCK_QUIESCENT = 0x02, /**< Wait until hardware quiescent */
_DRM_LOCK_FLUSH = 0x04, /**< Flush this context's DMA queue first */
_DRM_LOCK_FLUSH_ALL = 0x08, /**< Flush all DMA queues first */
/* These *HALT* flags aren't supported yet
-- they will be used to support the
full-screen DGA-like mode. */
_DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */
_DRM_HALT_CUR_QUEUES = 0x20 /**< Halt all current queues */
} drm_lock_flags_t;
/**
* DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type.
*
* \sa drmGetLock() and drmUnlock().
*/
typedef struct drm_lock {
int context;
drm_lock_flags_t flags;
} drm_lock_t;
/**
* DMA flags
*
* \warning
* These values \e must match xf86drm.h.
*
* \sa drm_dma.
*/
typedef enum drm_dma_flags {
/* Flags for DMA buffer dispatch */
_DRM_DMA_BLOCK = 0x01, /**<
* Block until buffer dispatched.
*
* \note The buffer may not yet have
* been processed by the hardware --
* getting a hardware lock with the
* hardware quiescent will ensure
* that the buffer has been
* processed.
*/
_DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */
_DRM_DMA_PRIORITY = 0x04, /**< High priority dispatch */
/* Flags for DMA buffer request */
_DRM_DMA_WAIT = 0x10, /**< Wait for free buffers */
_DRM_DMA_SMALLER_OK = 0x20, /**< Smaller-than-requested buffers OK */
_DRM_DMA_LARGER_OK = 0x40 /**< Larger-than-requested buffers OK */
} drm_dma_flags_t;
/**
* DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type.
*
* \sa drmAddBufs().
*/
typedef struct drm_buf_desc {
int count; /**< Number of buffers of this size */
int size; /**< Size in bytes */
int low_mark; /**< Low water mark */
int high_mark; /**< High water mark */
enum {
_DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */
_DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */
_DRM_SG_BUFFER = 0x04, /**< Scatter/gather memory buffer */
_DRM_FB_BUFFER = 0x08 /**< Buffer is in frame buffer */
} flags;
unsigned long agp_start; /**<
* Start address of where the AGP buffers are
* in the AGP aperture
*/
} drm_buf_desc_t;
/**
* DRM_IOCTL_INFO_BUFS ioctl argument type.
*/
typedef struct drm_buf_info {
int count; /**< Entries in list */
drm_buf_desc_t __user *list;
} drm_buf_info_t;
/**
* DRM_IOCTL_FREE_BUFS ioctl argument type.
*/
typedef struct drm_buf_free {
int count;
int __user *list;
} drm_buf_free_t;
/**
* Buffer information
*
* \sa drm_buf_map.
*/
typedef struct drm_buf_pub {
int idx; /**< Index into the master buffer list */
int total; /**< Buffer size */
int used; /**< Amount of buffer in use (for DMA) */
void __user *address; /**< Address of buffer */
} drm_buf_pub_t;
/**
* DRM_IOCTL_MAP_BUFS ioctl argument type.
*/
typedef struct drm_buf_map {
int count; /**< Length of the buffer list */
void __user *virtual; /**< Mmap'd area in user-virtual */
drm_buf_pub_t __user *list; /**< Buffer information */
} drm_buf_map_t;
/**
* DRM_IOCTL_DMA ioctl argument type.
*
* Indices here refer to the offset into the buffer list in drm_buf_get.
*
* \sa drmDMA().
*/
typedef struct drm_dma {
int context; /**< Context handle */
int send_count; /**< Number of buffers to send */
int __user *send_indices; /**< List of handles to buffers */
int __user *send_sizes; /**< Lengths of data to send */
drm_dma_flags_t flags; /**< Flags */
int request_count; /**< Number of buffers requested */
int request_size; /**< Desired size for buffers */
int __user *request_indices; /**< Buffer information */
int __user *request_sizes;
int granted_count; /**< Number of buffers granted */
} drm_dma_t;
typedef enum {
_DRM_CONTEXT_PRESERVED = 0x01,
_DRM_CONTEXT_2DONLY = 0x02
} drm_ctx_flags_t;
/**
* DRM_IOCTL_ADD_CTX ioctl argument type.
*
* \sa drmCreateContext() and drmDestroyContext().
*/
typedef struct drm_ctx {
drm_context_t handle;
drm_ctx_flags_t flags;
} drm_ctx_t;
/**
* DRM_IOCTL_RES_CTX ioctl argument type.
*/
typedef struct drm_ctx_res {
int count;
drm_ctx_t __user *contexts;
} drm_ctx_res_t;
/**
* DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type.
*/
typedef struct drm_draw {
drm_drawable_t handle;
} drm_draw_t;
/**
* DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type.
*/
typedef struct drm_auth {
drm_magic_t magic;
} drm_auth_t;
/**
* DRM_IOCTL_IRQ_BUSID ioctl argument type.
*
* \sa drmGetInterruptFromBusID().
*/
typedef struct drm_irq_busid {
int irq; /**< IRQ number */
int busnum; /**< bus number */
int devnum; /**< device number */
int funcnum; /**< function number */
} drm_irq_busid_t;
typedef enum {
_DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */
_DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */
_DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking */
} drm_vblank_seq_type_t;
#define _DRM_VBLANK_FLAGS_MASK _DRM_VBLANK_SIGNAL
struct drm_wait_vblank_request {
drm_vblank_seq_type_t type;
unsigned int sequence;
unsigned long signal;
};
struct drm_wait_vblank_reply {
drm_vblank_seq_type_t type;
unsigned int sequence;
long tval_sec;
long tval_usec;
};
/**
* DRM_IOCTL_WAIT_VBLANK ioctl argument type.
*
* \sa drmWaitVBlank().
*/
typedef union drm_wait_vblank {
struct drm_wait_vblank_request request;
struct drm_wait_vblank_reply reply;
} drm_wait_vblank_t;
/**
* DRM_IOCTL_AGP_ENABLE ioctl argument type.
*
* \sa drmAgpEnable().
*/
typedef struct drm_agp_mode {
unsigned long mode; /**< AGP mode */
} drm_agp_mode_t;
/**
* DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type.
*
* \sa drmAgpAlloc() and drmAgpFree().
*/
typedef struct drm_agp_buffer {
unsigned long size; /**< In bytes -- will round to page boundary */
unsigned long handle; /**< Used for binding / unbinding */
unsigned long type; /**< Type of memory to allocate */
unsigned long physical; /**< Physical used by i810 */
} drm_agp_buffer_t;
/**
* DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type.
*
* \sa drmAgpBind() and drmAgpUnbind().
*/
typedef struct drm_agp_binding {
unsigned long handle; /**< From drm_agp_buffer */
unsigned long offset; /**< In bytes -- will round to page boundary */
} drm_agp_binding_t;
/**
* DRM_IOCTL_AGP_INFO ioctl argument type.
*
* \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(),
* drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(),
* drmAgpVendorId() and drmAgpDeviceId().
*/
typedef struct drm_agp_info {
int agp_version_major;
int agp_version_minor;
unsigned long mode;
unsigned long aperture_base; /* physical address */
unsigned long aperture_size; /* bytes */
unsigned long memory_allowed; /* bytes */
unsigned long memory_used;
/* PCI information */
unsigned short id_vendor;
unsigned short id_device;
} drm_agp_info_t;
/**
* DRM_IOCTL_SG_ALLOC ioctl argument type.
*/
typedef struct drm_scatter_gather {
unsigned long size; /**< In bytes -- will round to page boundary */
unsigned long handle; /**< Used for mapping / unmapping */
} drm_scatter_gather_t;
/**
* DRM_IOCTL_SET_VERSION ioctl argument type.
*/
typedef struct drm_set_version {
int drm_di_major;
int drm_di_minor;
int drm_dd_major;
int drm_dd_minor;
} drm_set_version_t;
#define DRM_IOCTL_BASE 'd'
#define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr)
#define DRM_IOR(nr,type) _IOR(DRM_IOCTL_BASE,nr,type)
#define DRM_IOW(nr,type) _IOW(DRM_IOCTL_BASE,nr,type)
#define DRM_IOWR(nr,type) _IOWR(DRM_IOCTL_BASE,nr,type)
#define DRM_IOCTL_VERSION DRM_IOWR(0x00, drm_version_t)
#define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm_unique_t)
#define DRM_IOCTL_GET_MAGIC DRM_IOR( 0x02, drm_auth_t)
#define DRM_IOCTL_IRQ_BUSID DRM_IOWR(0x03, drm_irq_busid_t)
#define DRM_IOCTL_GET_MAP DRM_IOWR(0x04, drm_map_t)
#define DRM_IOCTL_GET_CLIENT DRM_IOWR(0x05, drm_client_t)
#define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, drm_stats_t)
#define DRM_IOCTL_SET_VERSION DRM_IOWR(0x07, drm_set_version_t)
#define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, drm_unique_t)
#define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, drm_auth_t)
#define DRM_IOCTL_BLOCK DRM_IOWR(0x12, drm_block_t)
#define DRM_IOCTL_UNBLOCK DRM_IOWR(0x13, drm_block_t)
#define DRM_IOCTL_CONTROL DRM_IOW( 0x14, drm_control_t)
#define DRM_IOCTL_ADD_MAP DRM_IOWR(0x15, drm_map_t)
#define DRM_IOCTL_ADD_BUFS DRM_IOWR(0x16, drm_buf_desc_t)
#define DRM_IOCTL_MARK_BUFS DRM_IOW( 0x17, drm_buf_desc_t)
#define DRM_IOCTL_INFO_BUFS DRM_IOWR(0x18, drm_buf_info_t)
#define DRM_IOCTL_MAP_BUFS DRM_IOWR(0x19, drm_buf_map_t)
#define DRM_IOCTL_FREE_BUFS DRM_IOW( 0x1a, drm_buf_free_t)
#define DRM_IOCTL_RM_MAP DRM_IOW( 0x1b, drm_map_t)
#define DRM_IOCTL_SET_SAREA_CTX DRM_IOW( 0x1c, drm_ctx_priv_map_t)
#define DRM_IOCTL_GET_SAREA_CTX DRM_IOWR(0x1d, drm_ctx_priv_map_t)
#define DRM_IOCTL_ADD_CTX DRM_IOWR(0x20, drm_ctx_t)
#define DRM_IOCTL_RM_CTX DRM_IOWR(0x21, drm_ctx_t)
#define DRM_IOCTL_MOD_CTX DRM_IOW( 0x22, drm_ctx_t)
#define DRM_IOCTL_GET_CTX DRM_IOWR(0x23, drm_ctx_t)
#define DRM_IOCTL_SWITCH_CTX DRM_IOW( 0x24, drm_ctx_t)
#define DRM_IOCTL_NEW_CTX DRM_IOW( 0x25, drm_ctx_t)
#define DRM_IOCTL_RES_CTX DRM_IOWR(0x26, drm_ctx_res_t)
#define DRM_IOCTL_ADD_DRAW DRM_IOWR(0x27, drm_draw_t)
#define DRM_IOCTL_RM_DRAW DRM_IOWR(0x28, drm_draw_t)
#define DRM_IOCTL_DMA DRM_IOWR(0x29, drm_dma_t)
#define DRM_IOCTL_LOCK DRM_IOW( 0x2a, drm_lock_t)
#define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, drm_lock_t)
#define DRM_IOCTL_FINISH DRM_IOW( 0x2c, drm_lock_t)
#define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30)
#define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31)
#define DRM_IOCTL_AGP_ENABLE DRM_IOW( 0x32, drm_agp_mode_t)
#define DRM_IOCTL_AGP_INFO DRM_IOR( 0x33, drm_agp_info_t)
#define DRM_IOCTL_AGP_ALLOC DRM_IOWR(0x34, drm_agp_buffer_t)
#define DRM_IOCTL_AGP_FREE DRM_IOW( 0x35, drm_agp_buffer_t)
#define DRM_IOCTL_AGP_BIND DRM_IOW( 0x36, drm_agp_binding_t)
#define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, drm_agp_binding_t)
#define DRM_IOCTL_SG_ALLOC DRM_IOW( 0x38, drm_scatter_gather_t)
#define DRM_IOCTL_SG_FREE DRM_IOW( 0x39, drm_scatter_gather_t)
#define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, drm_wait_vblank_t)
/**
* Device specific ioctls should only be in their respective headers
* The device specific ioctl range is from 0x40 to 0x79.
*
* \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and
* drmCommandReadWrite().
*/
#define DRM_COMMAND_BASE 0x40
#endif
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