Add xf86drm.h back to drm/libdrm until it's true home can be found.
authorJon Smirl <jonsmirl@yahoo.com>
Wed, 7 Jul 2004 04:22:17 +0000 (04:22 +0000)
committerJon Smirl <jonsmirl@yahoo.com>
Wed, 7 Jul 2004 04:22:17 +0000 (04:22 +0000)
    mesa-solo needs this file to build. XFree86 bug: Reported by: Submitted
    by: Reviewed by: Obtained from:

libdrm/xf86drm.h [new file with mode: 0644]

diff --git a/libdrm/xf86drm.h b/libdrm/xf86drm.h
new file mode 100644 (file)
index 0000000..0b6e93f
--- /dev/null
@@ -0,0 +1,636 @@
+/**
+ * \file xf86drm.h 
+ * OS-independent header for DRM user-level library interface.
+ *
+ * \author Rickard E. (Rik) Faith <faith@valinux.com>
+ */
+/*
+ * Copyright 1999, 2000 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
+ * PRECISION INSIGHT 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.
+ *
+ */
+
+/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/xf86drm.h,v 1.26 2003/08/16 19:26:37 dawes Exp $ */
+
+#ifndef _XF86DRM_H_
+#define _XF86DRM_H_
+
+#include <drm.h>
+
+                               /* Defaults, if nothing set in xf86config */
+#define DRM_DEV_UID     0
+#define DRM_DEV_GID     0
+/* Default /dev/dri directory permissions 0755 */
+#define DRM_DEV_DIRMODE                \
+       (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH)
+#define DRM_DEV_MODE    (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
+
+#define DRM_DIR_NAME  "/dev/dri"
+#define DRM_DEV_NAME  "%s/card%d"
+#define DRM_PROC_NAME "/proc/dri/" /* For backward Linux compatibility */
+
+#define DRM_ERR_NO_DEVICE  (-1001)
+#define DRM_ERR_NO_ACCESS  (-1002)
+#define DRM_ERR_NOT_ROOT   (-1003)
+#define DRM_ERR_INVALID    (-1004)
+#define DRM_ERR_NO_FD      (-1005)
+
+#define DRM_AGP_NO_HANDLE 0
+
+typedef unsigned int  drmSize,     *drmSizePtr;            /**< For mapped regions */
+typedef void          *drmAddress, **drmAddressPtr; /**< For mapped regions */
+
+/**
+ * Driver version information.
+ *
+ * \sa drmGetVersion() and drmSetVersion().
+ */
+typedef struct _drmVersion {
+    int     version_major;        /**< Major version */
+    int     version_minor;        /**< Minor version */
+    int     version_patchlevel;   /**< Patch level */
+    int     name_len;            /**< Length of name buffer */
+    char    *name;               /**< Name of driver */
+    int     date_len;             /**< Length of date buffer */
+    char    *date;                /**< User-space buffer to hold date */
+    int     desc_len;            /**< Length of desc buffer */
+    char    *desc;                /**< User-space buffer to hold desc */
+} drmVersion, *drmVersionPtr;
+
+typedef struct _drmStats {
+    unsigned long count;            /**< Number of data */
+    struct {
+       unsigned long value;         /**< Value from kernel */
+       const char    *long_format;  /**< Suggested format for long_name */
+       const char    *long_name;    /**< Long name for value */
+       const char    *rate_format;  /**< Suggested format for rate_name */
+       const char    *rate_name;    /**< Short name for value per second */
+       int           isvalue;       /**< True if value (vs. counter) */
+       const char    *mult_names;   /**< Multiplier names (e.g., "KGM") */
+       int           mult;          /**< Multiplier value (e.g., 1024) */
+       int           verbose;       /**< Suggest only in verbose output */
+    } data[15];
+} drmStatsT;
+
+
+                               /* All of these enums *MUST* match with the
+                                   kernel implementation -- so do *NOT*
+                                   change them!  (The drmlib implementation
+                                   will just copy the flags instead of
+                                   translating them.) */
+typedef enum {
+    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      /**< PCI scatter/gather */
+} drmMapType;
+
+typedef enum {
+    DRM_RESTRICTED      = 0x0001, /**< Cannot be mapped to client-virtual */
+    DRM_READ_ONLY       = 0x0002, /**< Read-only in client-virtual */
+    DRM_LOCKED          = 0x0004, /**< Physical pages locked */
+    DRM_KERNEL          = 0x0008, /**< Kernel requires access */
+    DRM_WRITE_COMBINING = 0x0010, /**< Use write-combining, if available */
+    DRM_CONTAINS_LOCK   = 0x0020, /**< SHM page that contains lock */
+    DRM_REMOVABLE      = 0x0040  /**< Removable mapping */
+} drmMapFlags;
+
+/**
+ * \warning These values *MUST* match drm.h
+ */
+typedef enum {
+    /** \name 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 */
+    /*@}*/
+
+    /** \name 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 */
+    /*@}*/
+} drmDMAFlags;
+
+typedef enum {
+    DRM_PAGE_ALIGN       = 0x01,
+    DRM_AGP_BUFFER       = 0x02,
+    DRM_SG_BUFFER        = 0x04
+} drmBufDescFlags;
+
+typedef enum {
+    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 */
+} drmLockFlags;
+
+typedef enum {
+    DRM_CONTEXT_PRESERVED = 0x01, /**< This context is preserved and
+                                    never swapped. */
+    DRM_CONTEXT_2DONLY    = 0x02  /**< This context is for 2D rendering only. */
+} drm_context_tFlags, *drm_context_tFlagsPtr;
+
+typedef struct _drmBufDesc {
+    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 */
+} drmBufDesc, *drmBufDescPtr;
+
+typedef struct _drmBufInfo {
+    int              count;      /**< Number of buffers described in list */
+    drmBufDescPtr    list;       /**< List of buffer descriptions */
+} drmBufInfo, *drmBufInfoPtr;
+
+typedef struct _drmBuf {
+    int              idx;        /**< Index into the master buffer list */
+    int              total;      /**< Buffer size */
+    int              used;       /**< Amount of buffer in use (for DMA) */
+    drmAddress       address;    /**< Address */
+} drmBuf, *drmBufPtr;
+
+/**
+ * Buffer mapping information.
+ *
+ * Used by drmMapBufs() and drmUnmapBufs() to store information about the
+ * mapped buffers.
+ */
+typedef struct _drmBufMap {
+    int              count;      /**< Number of buffers mapped */
+    drmBufPtr        list;       /**< Buffers */
+} drmBufMap, *drmBufMapPtr;
+
+typedef struct _drmLock {
+    volatile unsigned int lock;
+    char                      padding[60];
+    /* This is big enough for most current (and future?) architectures:
+       DEC Alpha:              32 bytes
+       Intel Merced:           ?
+       Intel P5/PPro/PII/PIII: 32 bytes
+       Intel StrongARM:        32 bytes
+       Intel i386/i486:        16 bytes
+       MIPS:                   32 bytes (?)
+       Motorola 68k:           16 bytes
+       Motorola PowerPC:       32 bytes
+       Sun SPARC:              32 bytes
+    */
+} drmLock, *drmLockPtr;
+
+/**
+ * Indices here refer to the offset into
+ * list in drmBufInfo
+ */
+typedef struct _drmDMAReq {
+    drm_context_t    context;            /**< Context handle */
+    int           send_count;     /**< Number of buffers to send */
+    int           *send_list;     /**< List of handles to buffers */
+    int           *send_sizes;    /**< Lengths of data to send, in bytes */
+    drmDMAFlags   flags;          /**< Flags */
+    int           request_count;  /**< Number of buffers requested */
+    int           request_size;          /**< Desired size of buffers requested */
+    int           *request_list;  /**< Buffer information */
+    int           *request_sizes; /**< Minimum acceptable sizes */
+    int           granted_count;  /**< Number of buffers granted at this size */
+} drmDMAReq, *drmDMAReqPtr;
+
+typedef struct _drmRegion {
+    drm_handle_t     handle;
+    unsigned int  offset;
+    drmSize       size;
+    drmAddress    map;
+} drmRegion, *drmRegionPtr;
+
+typedef struct _drmTextureRegion {
+    unsigned char next;
+    unsigned char prev;
+    unsigned char in_use;
+    unsigned char padding;     /**< Explicitly pad this out */
+    unsigned int  age;
+} drmTextureRegion, *drmTextureRegionPtr;
+
+
+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 */
+} drmVBlankSeqType;
+
+typedef struct _drmVBlankReq {
+       drmVBlankSeqType type;
+       unsigned int sequence;
+       unsigned long signal;
+} drmVBlankReq, *drmVBlankReqPtr;
+
+typedef struct _drmVBlankReply {
+       drmVBlankSeqType type;
+       unsigned int sequence;
+       long tval_sec;
+       long tval_usec;
+} drmVBlankReply, *drmVBlankReplyPtr;
+
+typedef union _drmVBlank {
+       drmVBlankReq request;
+       drmVBlankReply reply;
+} drmVBlank, *drmVBlankPtr;
+
+typedef struct _drmSetVersion {
+       int drm_di_major;
+       int drm_di_minor;
+       int drm_dd_major;
+       int drm_dd_minor;
+} drmSetVersion, *drmSetVersionPtr;
+
+
+#define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock)
+
+#define DRM_LOCK_HELD  0x80000000 /**< Hardware lock is held */
+#define DRM_LOCK_CONT  0x40000000 /**< Hardware lock is contended */
+
+#if defined(__GNUC__) && (__GNUC__ >= 2)
+# if defined(__i386) || defined(__AMD64__)
+                               /* Reflect changes here to drmP.h */
+#define DRM_CAS(lock,old,new,__ret)                                    \
+       do {                                                           \
+                int __dummy;   /* Can't mark eax as clobbered */      \
+               __asm__ __volatile__(                                  \
+                       "lock ; cmpxchg %4,%1\n\t"                     \
+                        "setnz %0"                                     \
+                       : "=d" (__ret),                                \
+                         "=m" (__drm_dummy_lock(lock)),               \
+                          "=a" (__dummy)                               \
+                       : "2" (old),                                   \
+                         "r" (new));                                  \
+       } while (0)
+
+#elif defined(__alpha__)
+
+#define        DRM_CAS(lock, old, new, ret)            \
+       do {                                    \
+               int old32;                      \
+               int cur32;                      \
+               __asm__ __volatile__(           \
+               "       mb\n"                   \
+               "       zap   %4, 0xF0, %0\n"   \
+               "       ldl_l %1, %2\n"         \
+               "       zap   %1, 0xF0, %1\n"   \
+                "       cmpeq %0, %1, %1\n"    \
+                "       beq   %1, 1f\n"                \
+               "       bis   %5, %5, %1\n"     \
+                "       stl_c %1, %2\n"                \
+                "1:     xor   %1, 1, %1\n"     \
+                "       stl   %1, %3"          \
+                : "+r" (old32),                 \
+                 "+&r" (cur32),                \
+                   "=m" (__drm_dummy_lock(lock)),\
+                   "=m" (ret)                  \
+               : "r" (old),                    \
+                 "r" (new));                   \
+       } while(0)
+
+#elif defined(__sparc__)
+
+#define DRM_CAS(lock,old,new,__ret)                            \
+do {   register unsigned int __old __asm("o0");                \
+       register unsigned int __new __asm("o1");                \
+       register volatile unsigned int *__lock __asm("o2");     \
+       __old = old;                                            \
+       __new = new;                                            \
+       __lock = (volatile unsigned int *)lock;                 \
+       __asm__ __volatile__(                                   \
+               /*"cas [%2], %3, %0"*/                          \
+               ".word 0xd3e29008\n\t"                          \
+               /*"membar #StoreStore | #StoreLoad"*/           \
+               ".word 0x8143e00a"                              \
+               : "=&r" (__new)                                 \
+               : "0" (__new),                                  \
+                 "r" (__lock),                                 \
+                 "r" (__old)                                   \
+               : "memory");                                    \
+       __ret = (__new != __old);                               \
+} while(0)
+
+#elif defined(__ia64__)
+
+#ifdef __INTEL_COMPILER
+/* this currently generates bad code (missing stop bits)... */
+#include <ia64intrin.h>
+
+#define DRM_CAS(lock,old,new,__ret)                                          \
+       do {                                                                  \
+               unsigned long __result, __old = (old) & 0xffffffff;             \
+               __mf();                                                         \
+               __result = _InterlockedCompareExchange_acq(&__drm_dummy_lock(lock), (new), __old);\
+               __ret = (__result) != (__old);                                  \
+/*             __ret = (__sync_val_compare_and_swap(&__drm_dummy_lock(lock), \
+                                                    (old), (new))            \
+                        != (old));                                           */\
+       } while (0)
+
+#else
+#define DRM_CAS(lock,old,new,__ret)                                      \
+       do {                                                              \
+               unsigned int __result, __old = (old);                     \
+               __asm__ __volatile__(                                     \
+                       "mf\n"                                            \
+                       "mov ar.ccv=%2\n"                                 \
+                       ";;\n"                                            \
+                       "cmpxchg4.acq %0=%1,%3,ar.ccv"                    \
+                       : "=r" (__result), "=m" (__drm_dummy_lock(lock))  \
+                       : "r" ((unsigned long)__old), "r" (new)                   \
+                       : "memory");                                      \
+               __ret = (__result) != (__old);                            \
+       } while (0)
+
+#endif
+
+#elif defined(__powerpc__)
+
+#define DRM_CAS(lock,old,new,__ret)                    \
+       do {                                            \
+               __asm__ __volatile__(                   \
+                       "sync;"                         \
+                       "0:    lwarx %0,0,%1;"          \
+                       "      xor. %0,%3,%0;"          \
+                       "      bne 1f;"                 \
+                       "      stwcx. %2,0,%1;"         \
+                       "      bne- 0b;"                \
+                       "1:    "                        \
+                       "sync;"                         \
+               : "=&r"(__ret)                          \
+               : "r"(lock), "r"(new), "r"(old)         \
+               : "cr0", "memory");                     \
+       } while (0)
+
+#endif /* architecture */
+#endif /* __GNUC__ >= 2 */
+
+#ifndef DRM_CAS
+#define DRM_CAS(lock,old,new,ret) do { ret=1; } while (0) /* FAST LOCK FAILS */
+#endif
+
+#if defined(__alpha__) || defined(__powerpc__)
+#define DRM_CAS_RESULT(_result)                int _result
+#else
+#define DRM_CAS_RESULT(_result)                char _result
+#endif
+
+#define DRM_LIGHT_LOCK(fd,lock,context)                                \
+       do {                                                           \
+                DRM_CAS_RESULT(__ret);                                 \
+               DRM_CAS(lock,context,DRM_LOCK_HELD|context,__ret);     \
+                if (__ret) drmGetLock(fd,context,0);                   \
+        } while(0)
+
+                               /* This one counts fast locks -- for
+                                   benchmarking only. */
+#define DRM_LIGHT_LOCK_COUNT(fd,lock,context,count)                    \
+       do {                                                           \
+                DRM_CAS_RESULT(__ret);                                 \
+               DRM_CAS(lock,context,DRM_LOCK_HELD|context,__ret);     \
+                if (__ret) drmGetLock(fd,context,0);                   \
+                else       ++count;                                    \
+        } while(0)
+
+#define DRM_LOCK(fd,lock,context,flags)                                \
+       do {                                                           \
+               if (flags) drmGetLock(fd,context,flags);               \
+               else       DRM_LIGHT_LOCK(fd,lock,context);            \
+       } while(0)
+
+#define DRM_UNLOCK(fd,lock,context)                                    \
+       do {                                                           \
+                DRM_CAS_RESULT(__ret);                                 \
+               DRM_CAS(lock,DRM_LOCK_HELD|context,context,__ret);     \
+                if (__ret) drmUnlock(fd,context);                      \
+        } while(0)
+
+                               /* Simple spin locks */
+#define DRM_SPINLOCK(spin,val)                                         \
+       do {                                                           \
+            DRM_CAS_RESULT(__ret);                                     \
+           do {                                                       \
+               DRM_CAS(spin,0,val,__ret);                             \
+               if (__ret) while ((spin)->lock);                       \
+           } while (__ret);                                           \
+       } while(0)
+
+#define DRM_SPINLOCK_TAKE(spin,val)                                    \
+       do {                                                           \
+            DRM_CAS_RESULT(__ret);                                     \
+            int  cur;                                                  \
+           do {                                                       \
+                cur = (*spin).lock;                                    \
+               DRM_CAS(spin,cur,val,__ret);                           \
+           } while (__ret);                                           \
+       } while(0)
+
+#define DRM_SPINLOCK_COUNT(spin,val,count,__ret)                       \
+       do {                                                           \
+            int  __i;                                                  \
+            __ret = 1;                                                 \
+            for (__i = 0; __ret && __i < count; __i++) {               \
+               DRM_CAS(spin,0,val,__ret);                             \
+               if (__ret) for (;__i < count && (spin)->lock; __i++);  \
+           }                                                          \
+       } while(0)
+
+#define DRM_SPINUNLOCK(spin,val)                                       \
+       do {                                                           \
+            DRM_CAS_RESULT(__ret);                                     \
+            if ((*spin).lock == val) { /* else server stole lock */    \
+               do {                                                   \
+                   DRM_CAS(spin,val,0,__ret);                         \
+               } while (__ret);                                       \
+            }                                                          \
+       } while(0)
+
+/* General user-level programmer's API: unprivileged */
+extern int           drmAvailable(void);
+extern int           drmOpen(const char *name, const char *busid);
+extern int           drmClose(int fd);
+extern drmVersionPtr drmGetVersion(int fd);
+extern drmVersionPtr drmGetLibVersion(int fd);
+extern void          drmFreeVersion(drmVersionPtr);
+extern int           drmGetMagic(int fd, drm_magic_t * magic);
+extern char          *drmGetBusid(int fd);
+extern int           drmGetInterruptFromBusID(int fd, int busnum, int devnum,
+                                             int funcnum);
+extern int           drmGetMap(int fd, int idx, drm_handle_t *offset,
+                              drmSize *size, drmMapType *type,
+                              drmMapFlags *flags, drm_handle_t *handle,
+                              int *mtrr);
+extern int           drmGetClient(int fd, int idx, int *auth, int *pid,
+                                 int *uid, unsigned long *magic,
+                                 unsigned long *iocs);
+extern int           drmGetStats(int fd, drmStatsT *stats);
+extern int           drmSetInterfaceVersion(int fd, drmSetVersion *version);
+extern int           drmCommandNone(int fd, unsigned long drmCommandIndex);
+extern int           drmCommandRead(int fd, unsigned long drmCommandIndex,
+                                    void *data, unsigned long size);
+extern int           drmCommandWrite(int fd, unsigned long drmCommandIndex,
+                                     void *data, unsigned long size);
+extern int           drmCommandWriteRead(int fd, unsigned long drmCommandIndex,
+                                         void *data, unsigned long size);
+
+/* General user-level programmer's API: X server (root) only  */
+extern void          drmFreeBusid(const char *busid);
+extern int           drmSetBusid(int fd, const char *busid);
+extern int           drmAuthMagic(int fd, drm_magic_t magic);
+extern int           drmAddMap(int fd,
+                              drm_handle_t offset,
+                              drmSize size,
+                              drmMapType type,
+                              drmMapFlags flags,
+                              drm_handle_t * handle);
+extern int          drmRmMap(int fd, drm_handle_t handle);
+extern int          drmAddContextPrivateMapping(int fd, drm_context_t ctx_id,
+                                                drm_handle_t handle);
+
+extern int           drmAddBufs(int fd, int count, int size,
+                               drmBufDescFlags flags,
+                               int agp_offset);
+extern int           drmMarkBufs(int fd, double low, double high);
+extern int           drmCreateContext(int fd, drm_context_t * handle);
+extern int           drmSetContextFlags(int fd, drm_context_t context,
+                                       drm_context_tFlags flags);
+extern int           drmGetContextFlags(int fd, drm_context_t context,
+                                       drm_context_tFlagsPtr flags);
+extern int           drmAddContextTag(int fd, drm_context_t context, void *tag);
+extern int           drmDelContextTag(int fd, drm_context_t context);
+extern void          *drmGetContextTag(int fd, drm_context_t context);
+extern drm_context_t * drmGetReservedContextList(int fd, int *count);
+extern void          drmFreeReservedContextList(drm_context_t *);
+extern int           drmSwitchToContext(int fd, drm_context_t context);
+extern int           drmDestroyContext(int fd, drm_context_t handle);
+extern int           drmCreateDrawable(int fd, drm_drawable_t * handle);
+extern int           drmDestroyDrawable(int fd, drm_drawable_t handle);
+extern int           drmCtlInstHandler(int fd, int irq);
+extern int           drmCtlUninstHandler(int fd);
+extern int           drmInstallSIGIOHandler(int fd,
+                                           void (*f)(int fd,
+                                                     void *oldctx,
+                                                     void *newctx));
+extern int           drmRemoveSIGIOHandler(int fd);
+
+/* General user-level programmer's API: authenticated client and/or X */
+extern int           drmMap(int fd,
+                           drm_handle_t handle,
+                           drmSize size,
+                           drmAddressPtr address);
+extern int           drmUnmap(drmAddress address, drmSize size);
+extern drmBufInfoPtr drmGetBufInfo(int fd);
+extern drmBufMapPtr  drmMapBufs(int fd);
+extern int           drmUnmapBufs(drmBufMapPtr bufs);
+extern int           drmDMA(int fd, drmDMAReqPtr request);
+extern int           drmFreeBufs(int fd, int count, int *list);
+extern int           drmGetLock(int fd,
+                               drm_context_t context,
+                               drmLockFlags flags);
+extern int           drmUnlock(int fd, drm_context_t context);
+extern int           drmFinish(int fd, int context, drmLockFlags flags);
+extern int          drmGetContextPrivateMapping(int fd, drm_context_t ctx_id, 
+                                                drm_handle_t * handle);
+
+/* AGP/GART support: X server (root) only */
+extern int           drmAgpAcquire(int fd);
+extern int           drmAgpRelease(int fd);
+extern int           drmAgpEnable(int fd, unsigned long mode);
+extern int           drmAgpAlloc(int fd, unsigned long size,
+                                unsigned long type, unsigned long *address,
+                                unsigned long *handle);
+extern int           drmAgpFree(int fd, unsigned long handle);
+extern int          drmAgpBind(int fd, unsigned long handle,
+                               unsigned long offset);
+extern int           drmAgpUnbind(int fd, unsigned long handle);
+
+/* AGP/GART info: authenticated client and/or X */
+extern int           drmAgpVersionMajor(int fd);
+extern int           drmAgpVersionMinor(int fd);
+extern unsigned long drmAgpGetMode(int fd);
+extern unsigned long drmAgpBase(int fd); /* Physical location */
+extern unsigned long drmAgpSize(int fd); /* Bytes */
+extern unsigned long drmAgpMemoryUsed(int fd);
+extern unsigned long drmAgpMemoryAvail(int fd);
+extern unsigned int  drmAgpVendorId(int fd);
+extern unsigned int  drmAgpDeviceId(int fd);
+
+/* PCI scatter/gather support: X server (root) only */
+extern int           drmScatterGatherAlloc(int fd, unsigned long size,
+                                          unsigned long *handle);
+extern int           drmScatterGatherFree(int fd, unsigned long handle);
+
+extern int           drmWaitVBlank(int fd, drmVBlankPtr vbl);
+
+/* Support routines */
+extern int           drmError(int err, const char *label);
+extern void          *drmMalloc(int size);
+extern void          drmFree(void *pt);
+
+/* Hash table routines */
+extern void *drmHashCreate(void);
+extern int  drmHashDestroy(void *t);
+extern int  drmHashLookup(void *t, unsigned long key, void **value);
+extern int  drmHashInsert(void *t, unsigned long key, void *value);
+extern int  drmHashDelete(void *t, unsigned long key);
+extern int  drmHashFirst(void *t, unsigned long *key, void **value);
+extern int  drmHashNext(void *t, unsigned long *key, void **value);
+
+/* PRNG routines */
+extern void          *drmRandomCreate(unsigned long seed);
+extern int           drmRandomDestroy(void *state);
+extern unsigned long drmRandom(void *state);
+extern double        drmRandomDouble(void *state);
+
+/* Skip list routines */
+
+extern void *drmSLCreate(void);
+extern int  drmSLDestroy(void *l);
+extern int  drmSLLookup(void *l, unsigned long key, void **value);
+extern int  drmSLInsert(void *l, unsigned long key, void *value);
+extern int  drmSLDelete(void *l, unsigned long key);
+extern int  drmSLNext(void *l, unsigned long *key, void **value);
+extern int  drmSLFirst(void *l, unsigned long *key, void **value);
+extern void drmSLDump(void *l);
+extern int  drmSLLookupNeighbors(void *l, unsigned long key,
+                                unsigned long *prev_key, void **prev_value,
+                                unsigned long *next_key, void **next_value);
+
+#endif