drm: reorganise drm tree to be more future proof.

With the coming of kernel based modesetting and the memory manager stuff,
the everything in one directory approach was getting very ugly and
starting to be unmanageable.

This restructures the drm along the lines of other kernel components.

It creates a drivers/gpu/drm directory and moves the hw drivers into
subdirectores. It moves the includes into an include/drm, and
sets up the unifdef for the userspace headers we should be exporting.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 694 insertions, 0 deletions

diff --git a/include/drm/drm.h b/include/drm/drm.h
new file mode 100644
index 000000000000..38d3c6b8276a
--- /dev/null
+++ b/include/drm/drm.h
@@ -0,0 +1,694 @@
+/**
+ * \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 DRM_MAJOR       226
+#define DRM_MAX_MINOR   15
+
+#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.
+ */
+struct drm_clip_rect {
+        unsigned short x1;
+        unsigned short y1;
+        unsigned short x2;
+        unsigned short y2;
+};
+
+/**
+ * Drawable information.
+ */
+struct drm_drawable_info {
+        unsigned int num_rects;
+        struct drm_clip_rect *rects;
+};
+
+/**
+ * Texture region,
+ */
+struct drm_tex_region {
+        unsigned char next;
+        unsigned char prev;
+        unsigned char in_use;
+        unsigned char padding;
+        unsigned int age;
+};
+
+/**
+ * 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.
+ */
+struct drm_hw_lock {
+        __volatile__ unsigned int lock;         /**< lock variable */
+        char padding[60];                       /**< Pad to cache line */
+};
+
+/**
+ * DRM_IOCTL_VERSION ioctl argument type.
+ *
+ * \sa drmGetVersion().
+ */
+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_IOCTL_GET_UNIQUE ioctl argument type.
+ *
+ * \sa drmGetBusid() and drmSetBusId().
+ */
+struct drm_unique {
+        size_t unique_len;        /**< Length of unique */
+        char __user *unique;      /**< Unique name for driver instantiation */
+};
+
+struct drm_list {
+        int count;                /**< Length of user-space structures */
+        struct drm_version __user *version;
+};
+
+struct drm_block {
+        int unused;
+};
+
+/**
+ * DRM_IOCTL_CONTROL ioctl argument type.
+ *
+ * \sa drmCtlInstHandler() and drmCtlUninstHandler().
+ */
+struct drm_control {
+        enum {
+                DRM_ADD_COMMAND,
+                DRM_RM_COMMAND,
+                DRM_INST_HANDLER,
+                DRM_UNINST_HANDLER
+        } func;
+        int irq;
+};
+
+/**
+ * Type of memory to map.
+ */
+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 */
+};
+
+/**
+ * Memory mapping flags.
+ */
+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_DRIVER = 0x80           /**< Managed by driver */
+};
+
+struct drm_ctx_priv_map {
+        unsigned int ctx_id;     /**< Context requesting private mapping */
+        void *handle;            /**< Handle of map */
+};
+
+/**
+ * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls
+ * argument type.
+ *
+ * \sa drmAddMap().
+ */
+struct drm_map {
+        unsigned long offset;    /**< Requested physical address (0 for SAREA)*/
+        unsigned long size;      /**< Requested physical size (bytes) */
+        enum drm_map_type type;  /**< Type of memory to map */
+        enum drm_map_flags flags;        /**< Flags */
+        void *handle;            /**< User-space: "Handle" to pass to mmap() */
+                                 /**< Kernel-space: kernel-virtual address */
+        int mtrr;                /**< MTRR slot used */
+        /*   Private data */
+};
+
+/**
+ * DRM_IOCTL_GET_CLIENT ioctl argument type.
+ */
+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 */
+};
+
+enum drm_stat_type {
+        _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_IOCTL_GET_STATS ioctl argument type.
+ */
+struct drm_stats {
+        unsigned long count;
+        struct {
+                unsigned long value;
+                enum drm_stat_type type;
+        } data[15];
+};
+
+/**
+ * Hardware locking flags.
+ */
+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_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type.
+ *
+ * \sa drmGetLock() and drmUnlock().
+ */
+struct drm_lock {
+        int context;
+        enum drm_lock_flags flags;
+};
+
+/**
+ * DMA flags
+ *
+ * \warning
+ * These values \e must match xf86drm.h.
+ *
+ * \sa drm_dma.
+ */
+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_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type.
+ *
+ * \sa drmAddBufs().
+ */
+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 */
+                _DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */
+        } flags;
+        unsigned long agp_start; /**<
+                                  * Start address of where the AGP buffers are
+                                  * in the AGP aperture
+                                  */
+};
+
+/**
+ * DRM_IOCTL_INFO_BUFS ioctl argument type.
+ */
+struct drm_buf_info {
+        int count;              /**< Entries in list */
+        struct drm_buf_desc __user *list;
+};
+
+/**
+ * DRM_IOCTL_FREE_BUFS ioctl argument type.
+ */
+struct drm_buf_free {
+        int count;
+        int __user *list;
+};
+
+/**
+ * Buffer information
+ *
+ * \sa drm_buf_map.
+ */
+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_IOCTL_MAP_BUFS ioctl argument type.
+ */
+struct drm_buf_map {
+        int count;              /**< Length of the buffer list */
+        void __user *virtual;           /**< Mmap'd area in user-virtual */
+        struct drm_buf_pub __user *list;        /**< Buffer information */
+};
+
+/**
+ * DRM_IOCTL_DMA ioctl argument type.
+ *
+ * Indices here refer to the offset into the buffer list in drm_buf_get.
+ *
+ * \sa drmDMA().
+ */
+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 */
+        enum drm_dma_flags 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 */
+};
+
+enum drm_ctx_flags {
+        _DRM_CONTEXT_PRESERVED = 0x01,
+        _DRM_CONTEXT_2DONLY = 0x02
+};
+
+/**
+ * DRM_IOCTL_ADD_CTX ioctl argument type.
+ *
+ * \sa drmCreateContext() and drmDestroyContext().
+ */
+struct drm_ctx {
+        drm_context_t handle;
+        enum drm_ctx_flags flags;
+};
+
+/**
+ * DRM_IOCTL_RES_CTX ioctl argument type.
+ */
+struct drm_ctx_res {
+        int count;
+        struct drm_ctx __user *contexts;
+};
+
+/**
+ * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type.
+ */
+struct drm_draw {
+        drm_drawable_t handle;
+};
+
+/**
+ * DRM_IOCTL_UPDATE_DRAW ioctl argument type.
+ */
+typedef enum {
+        DRM_DRAWABLE_CLIPRECTS,
+} drm_drawable_info_type_t;
+
+struct drm_update_draw {
+        drm_drawable_t handle;
+        unsigned int type;
+        unsigned int num;
+        unsigned long long data;
+};
+
+/**
+ * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type.
+ */
+struct drm_auth {
+        drm_magic_t magic;
+};
+
+/**
+ * DRM_IOCTL_IRQ_BUSID ioctl argument type.
+ *
+ * \sa drmGetInterruptFromBusID().
+ */
+struct drm_irq_busid {
+        int irq;        /**< IRQ number */
+        int busnum;     /**< bus number */
+        int devnum;     /**< device number */
+        int funcnum;    /**< function number */
+};
+
+enum drm_vblank_seq_type {
+        _DRM_VBLANK_ABSOLUTE = 0x0,     /**< Wait for specific vblank sequence number */
+        _DRM_VBLANK_RELATIVE = 0x1,     /**< Wait for given number of vblanks */
+        _DRM_VBLANK_NEXTONMISS = 0x10000000,    /**< If missed, wait for next vblank */
+        _DRM_VBLANK_SECONDARY = 0x20000000,     /**< Secondary display controller */
+        _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking */
+};
+
+#define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE)
+#define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_SIGNAL | _DRM_VBLANK_SECONDARY | \
+                                _DRM_VBLANK_NEXTONMISS)
+
+struct drm_wait_vblank_request {
+        enum drm_vblank_seq_type type;
+        unsigned int sequence;
+        unsigned long signal;
+};
+
+struct drm_wait_vblank_reply {
+        enum drm_vblank_seq_type type;
+        unsigned int sequence;
+        long tval_sec;
+        long tval_usec;
+};
+
+/**
+ * DRM_IOCTL_WAIT_VBLANK ioctl argument type.
+ *
+ * \sa drmWaitVBlank().
+ */
+union drm_wait_vblank {
+        struct drm_wait_vblank_request request;
+        struct drm_wait_vblank_reply reply;
+};
+
+/**
+ * DRM_IOCTL_AGP_ENABLE ioctl argument type.
+ *
+ * \sa drmAgpEnable().
+ */
+struct drm_agp_mode {
+        unsigned long mode;     /**< AGP mode */
+};
+
+/**
+ * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type.
+ *
+ * \sa drmAgpAlloc() and drmAgpFree().
+ */
+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_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type.
+ *
+ * \sa drmAgpBind() and drmAgpUnbind().
+ */
+struct drm_agp_binding {
+        unsigned long handle;   /**< From drm_agp_buffer */
+        unsigned long offset;   /**< In bytes -- will round to page boundary */
+};
+
+/**
+ * DRM_IOCTL_AGP_INFO ioctl argument type.
+ *
+ * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(),
+ * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(),
+ * drmAgpVendorId() and drmAgpDeviceId().
+ */
+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_IOCTL_SG_ALLOC ioctl argument type.
+ */
+struct drm_scatter_gather {
+        unsigned long size;     /**< In bytes -- will round to page boundary */
+        unsigned long handle;   /**< Used for mapping / unmapping */
+};
+
+/**
+ * DRM_IOCTL_SET_VERSION ioctl argument type.
+ */
+struct drm_set_version {
+        int drm_di_major;
+        int drm_di_minor;
+        int drm_dd_major;
+        int drm_dd_minor;
+};
+
+#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, struct drm_version)
+#define DRM_IOCTL_GET_UNIQUE            DRM_IOWR(0x01, struct drm_unique)
+#define DRM_IOCTL_GET_MAGIC             DRM_IOR( 0x02, struct drm_auth)
+#define DRM_IOCTL_IRQ_BUSID             DRM_IOWR(0x03, struct drm_irq_busid)
+#define DRM_IOCTL_GET_MAP               DRM_IOWR(0x04, struct drm_map)
+#define DRM_IOCTL_GET_CLIENT            DRM_IOWR(0x05, struct drm_client)
+#define DRM_IOCTL_GET_STATS             DRM_IOR( 0x06, struct drm_stats)
+#define DRM_IOCTL_SET_VERSION           DRM_IOWR(0x07, struct drm_set_version)
+
+#define DRM_IOCTL_SET_UNIQUE            DRM_IOW( 0x10, struct drm_unique)
+#define DRM_IOCTL_AUTH_MAGIC            DRM_IOW( 0x11, struct drm_auth)
+#define DRM_IOCTL_BLOCK                 DRM_IOWR(0x12, struct drm_block)
+#define DRM_IOCTL_UNBLOCK               DRM_IOWR(0x13, struct drm_block)
+#define DRM_IOCTL_CONTROL               DRM_IOW( 0x14, struct drm_control)
+#define DRM_IOCTL_ADD_MAP               DRM_IOWR(0x15, struct drm_map)
+#define DRM_IOCTL_ADD_BUFS              DRM_IOWR(0x16, struct drm_buf_desc)
+#define DRM_IOCTL_MARK_BUFS             DRM_IOW( 0x17, struct drm_buf_desc)
+#define DRM_IOCTL_INFO_BUFS             DRM_IOWR(0x18, struct drm_buf_info)
+#define DRM_IOCTL_MAP_BUFS              DRM_IOWR(0x19, struct drm_buf_map)
+#define DRM_IOCTL_FREE_BUFS             DRM_IOW( 0x1a, struct drm_buf_free)
+
+#define DRM_IOCTL_RM_MAP                DRM_IOW( 0x1b, struct drm_map)
+
+#define DRM_IOCTL_SET_SAREA_CTX         DRM_IOW( 0x1c, struct drm_ctx_priv_map)
+#define DRM_IOCTL_GET_SAREA_CTX         DRM_IOWR(0x1d, struct drm_ctx_priv_map)
+
+#define DRM_IOCTL_ADD_CTX               DRM_IOWR(0x20, struct drm_ctx)
+#define DRM_IOCTL_RM_CTX                DRM_IOWR(0x21, struct drm_ctx)
+#define DRM_IOCTL_MOD_CTX               DRM_IOW( 0x22, struct drm_ctx)
+#define DRM_IOCTL_GET_CTX               DRM_IOWR(0x23, struct drm_ctx)
+#define DRM_IOCTL_SWITCH_CTX            DRM_IOW( 0x24, struct drm_ctx)
+#define DRM_IOCTL_NEW_CTX               DRM_IOW( 0x25, struct drm_ctx)
+#define DRM_IOCTL_RES_CTX               DRM_IOWR(0x26, struct drm_ctx_res)
+#define DRM_IOCTL_ADD_DRAW              DRM_IOWR(0x27, struct drm_draw)
+#define DRM_IOCTL_RM_DRAW               DRM_IOWR(0x28, struct drm_draw)
+#define DRM_IOCTL_DMA                   DRM_IOWR(0x29, struct drm_dma)
+#define DRM_IOCTL_LOCK                  DRM_IOW( 0x2a, struct drm_lock)
+#define DRM_IOCTL_UNLOCK                DRM_IOW( 0x2b, struct drm_lock)
+#define DRM_IOCTL_FINISH                DRM_IOW( 0x2c, struct drm_lock)
+
+#define DRM_IOCTL_AGP_ACQUIRE           DRM_IO(  0x30)
+#define DRM_IOCTL_AGP_RELEASE           DRM_IO(  0x31)
+#define DRM_IOCTL_AGP_ENABLE            DRM_IOW( 0x32, struct drm_agp_mode)
+#define DRM_IOCTL_AGP_INFO              DRM_IOR( 0x33, struct drm_agp_info)
+#define DRM_IOCTL_AGP_ALLOC             DRM_IOWR(0x34, struct drm_agp_buffer)
+#define DRM_IOCTL_AGP_FREE              DRM_IOW( 0x35, struct drm_agp_buffer)
+#define DRM_IOCTL_AGP_BIND              DRM_IOW( 0x36, struct drm_agp_binding)
+#define DRM_IOCTL_AGP_UNBIND            DRM_IOW( 0x37, struct drm_agp_binding)
+
+#define DRM_IOCTL_SG_ALLOC              DRM_IOWR(0x38, struct drm_scatter_gather)
+#define DRM_IOCTL_SG_FREE               DRM_IOW( 0x39, struct drm_scatter_gather)
+
+#define DRM_IOCTL_WAIT_VBLANK           DRM_IOWR(0x3a, union drm_wait_vblank)
+
+#define DRM_IOCTL_UPDATE_DRAW           DRM_IOW(0x3f, struct drm_update_draw)
+
+/**
+ * Device specific ioctls should only be in their respective headers
+ * The device specific ioctl range is from 0x40 to 0x99.
+ * Generic IOCTLS restart at 0xA0.
+ *
+ * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and
+ * drmCommandReadWrite().
+ */
+#define DRM_COMMAND_BASE                0x40
+#define DRM_COMMAND_END                 0xA0
+
+/* typedef area */
+#ifndef __KERNEL__
+typedef struct drm_clip_rect drm_clip_rect_t;
+typedef struct drm_drawable_info drm_drawable_info_t;
+typedef struct drm_tex_region drm_tex_region_t;
+typedef struct drm_hw_lock drm_hw_lock_t;
+typedef struct drm_version drm_version_t;
+typedef struct drm_unique drm_unique_t;
+typedef struct drm_list drm_list_t;
+typedef struct drm_block drm_block_t;
+typedef struct drm_control drm_control_t;
+typedef enum drm_map_type drm_map_type_t;
+typedef enum drm_map_flags drm_map_flags_t;
+typedef struct drm_ctx_priv_map drm_ctx_priv_map_t;
+typedef struct drm_map drm_map_t;
+typedef struct drm_client drm_client_t;
+typedef enum drm_stat_type drm_stat_type_t;
+typedef struct drm_stats drm_stats_t;
+typedef enum drm_lock_flags drm_lock_flags_t;
+typedef struct drm_lock drm_lock_t;
+typedef enum drm_dma_flags drm_dma_flags_t;
+typedef struct drm_buf_desc drm_buf_desc_t;
+typedef struct drm_buf_info drm_buf_info_t;
+typedef struct drm_buf_free drm_buf_free_t;
+typedef struct drm_buf_pub drm_buf_pub_t;
+typedef struct drm_buf_map drm_buf_map_t;
+typedef struct drm_dma drm_dma_t;
+typedef union drm_wait_vblank drm_wait_vblank_t;
+typedef struct drm_agp_mode drm_agp_mode_t;
+typedef enum drm_ctx_flags drm_ctx_flags_t;
+typedef struct drm_ctx drm_ctx_t;
+typedef struct drm_ctx_res drm_ctx_res_t;
+typedef struct drm_draw drm_draw_t;
+typedef struct drm_update_draw drm_update_draw_t;
+typedef struct drm_auth drm_auth_t;
+typedef struct drm_irq_busid drm_irq_busid_t;
+typedef enum drm_vblank_seq_type drm_vblank_seq_type_t;
+
+typedef struct drm_agp_buffer drm_agp_buffer_t;
+typedef struct drm_agp_binding drm_agp_binding_t;
+typedef struct drm_agp_info drm_agp_info_t;
+typedef struct drm_scatter_gather drm_scatter_gather_t;
+typedef struct drm_set_version drm_set_version_t;
+#endif
+
+#endif