diff options
Diffstat (limited to 'src/mesa/drivers/dri/dri_client/imports/xf86drm.h')
| -rw-r--r-- | src/mesa/drivers/dri/dri_client/imports/xf86drm.h | 636 |
1 files changed, 0 insertions, 636 deletions
diff --git a/src/mesa/drivers/dri/dri_client/imports/xf86drm.h b/src/mesa/drivers/dri/dri_client/imports/xf86drm.h deleted file mode 100644 index d3d78eb84e8..00000000000 --- a/src/mesa/drivers/dri/dri_client/imports/xf86drm.h +++ /dev/null @@ -1,636 +0,0 @@ -/** - * \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 |