cc283d3c86
Now that xenocara has been made clean with respect to using kernel headers instead of those provided with libdrm, remove the copy of the headers included here. Since it is now very simple, move it over to using standard bsd makefiles instead of autoconf. ok matthieu@
667 lines
26 KiB
C
667 lines
26 KiB
C
/**
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* \file xf86drm.h
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* OS-independent header for DRM user-level library interface.
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*
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* \author Rickard E. (Rik) Faith <faith@valinux.com>
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*/
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/*
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* Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
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* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef _XF86DRM_H_
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#define _XF86DRM_H_
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#include <stdarg.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <drm.h>
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/* Defaults, if nothing set in xf86config */
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#define DRM_DEV_UID 0
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#define DRM_DEV_GID 0
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/* Default /dev/dri directory permissions 0755 */
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#define DRM_DEV_DIRMODE \
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(S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH)
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#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
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#ifdef __OpenBSD__
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#define DRM_DIR_NAME "/dev"
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#define DRM_DEV_NAME "%s/drm%d"
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#else
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#define DRM_DIR_NAME "/dev/dri"
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#define DRM_DEV_NAME "%s/card%d"
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#endif
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#define DRM_PROC_NAME "/proc/dri/" /* For backward Linux compatibility */
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#define DRM_ERR_NO_DEVICE (-1001)
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#define DRM_ERR_NO_ACCESS (-1002)
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#define DRM_ERR_NOT_ROOT (-1003)
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#define DRM_ERR_INVALID (-1004)
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#define DRM_ERR_NO_FD (-1005)
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#define DRM_AGP_NO_HANDLE 0
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typedef unsigned int drmSize, *drmSizePtr; /**< For mapped regions */
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typedef void *drmAddress, **drmAddressPtr; /**< For mapped regions */
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typedef struct _drmServerInfo {
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int (*debug_print)(const char *format, va_list ap);
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int (*load_module)(const char *name);
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void (*get_perms)(gid_t *, mode_t *);
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} drmServerInfo, *drmServerInfoPtr;
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typedef struct drmHashEntry {
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int fd;
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void (*f)(int, void *, void *);
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void *tagTable;
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} drmHashEntry;
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extern void *drmGetHashTable(void);
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extern drmHashEntry *drmGetEntry(int fd);
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/**
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* Driver version information.
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*
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* \sa drmGetVersion() and drmSetVersion().
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*/
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typedef struct _drmVersion {
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int version_major; /**< Major version */
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int version_minor; /**< Minor version */
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int version_patchlevel; /**< Patch level */
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int name_len; /**< Length of name buffer */
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char *name; /**< Name of driver */
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int date_len; /**< Length of date buffer */
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char *date; /**< User-space buffer to hold date */
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int desc_len; /**< Length of desc buffer */
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char *desc; /**< User-space buffer to hold desc */
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} drmVersion, *drmVersionPtr;
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typedef struct _drmStats {
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unsigned long count; /**< Number of data */
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struct {
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unsigned long value; /**< Value from kernel */
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const char *long_format; /**< Suggested format for long_name */
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const char *long_name; /**< Long name for value */
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const char *rate_format; /**< Suggested format for rate_name */
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const char *rate_name; /**< Short name for value per second */
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int isvalue; /**< True if value (vs. counter) */
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const char *mult_names; /**< Multiplier names (e.g., "KGM") */
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int mult; /**< Multiplier value (e.g., 1024) */
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int verbose; /**< Suggest only in verbose output */
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} data[15];
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} drmStatsT;
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/* All of these enums *MUST* match with the
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kernel implementation -- so do *NOT*
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change them! (The drmlib implementation
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will just copy the flags instead of
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translating them.) */
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typedef enum {
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DRM_FRAME_BUFFER = 0, /**< WC, no caching, no core dump */
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DRM_REGISTERS = 1, /**< no caching, no core dump */
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DRM_SHM = 2, /**< shared, cached */
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DRM_AGP = 3, /**< AGP/GART */
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DRM_SCATTER_GATHER = 4, /**< PCI scatter/gather */
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DRM_CONSISTENT = 5 /**< PCI consistent */
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} drmMapType;
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typedef enum {
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DRM_RESTRICTED = 0x0001, /**< Cannot be mapped to client-virtual */
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DRM_READ_ONLY = 0x0002, /**< Read-only in client-virtual */
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DRM_LOCKED = 0x0004, /**< Physical pages locked */
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DRM_KERNEL = 0x0008, /**< Kernel requires access */
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DRM_WRITE_COMBINING = 0x0010, /**< Use write-combining, if available */
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DRM_CONTAINS_LOCK = 0x0020, /**< SHM page that contains lock */
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DRM_REMOVABLE = 0x0040 /**< Removable mapping */
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} drmMapFlags;
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/**
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* \warning These values *MUST* match drm.h
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*/
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typedef enum {
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/** \name Flags for DMA buffer dispatch */
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/*@{*/
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DRM_DMA_BLOCK = 0x01, /**<
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* Block until buffer dispatched.
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*
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* \note the buffer may not yet have been
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* processed by the hardware -- getting a
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* hardware lock with the hardware quiescent
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* will ensure that the buffer has been
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* processed.
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*/
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DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */
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DRM_DMA_PRIORITY = 0x04, /**< High priority dispatch */
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/*@}*/
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/** \name Flags for DMA buffer request */
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/*@{*/
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DRM_DMA_WAIT = 0x10, /**< Wait for free buffers */
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DRM_DMA_SMALLER_OK = 0x20, /**< Smaller-than-requested buffers OK */
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DRM_DMA_LARGER_OK = 0x40 /**< Larger-than-requested buffers OK */
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/*@}*/
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} drmDMAFlags;
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typedef enum {
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DRM_PAGE_ALIGN = 0x01,
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DRM_AGP_BUFFER = 0x02,
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DRM_SG_BUFFER = 0x04,
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DRM_FB_BUFFER = 0x08,
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DRM_PCI_BUFFER_RO = 0x10
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} drmBufDescFlags;
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typedef enum {
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DRM_LOCK_READY = 0x01, /**< Wait until hardware is ready for DMA */
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DRM_LOCK_QUIESCENT = 0x02, /**< Wait until hardware quiescent */
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DRM_LOCK_FLUSH = 0x04, /**< Flush this context's DMA queue first */
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DRM_LOCK_FLUSH_ALL = 0x08, /**< Flush all DMA queues first */
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/* These *HALT* flags aren't supported yet
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-- they will be used to support the
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full-screen DGA-like mode. */
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DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */
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DRM_HALT_CUR_QUEUES = 0x20 /**< Halt all current queues */
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} drmLockFlags;
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typedef enum {
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DRM_CONTEXT_PRESERVED = 0x01, /**< This context is preserved and
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never swapped. */
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DRM_CONTEXT_2DONLY = 0x02 /**< This context is for 2D rendering only. */
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} drm_context_tFlags, *drm_context_tFlagsPtr;
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typedef struct _drmBufDesc {
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int count; /**< Number of buffers of this size */
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int size; /**< Size in bytes */
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int low_mark; /**< Low water mark */
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int high_mark; /**< High water mark */
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} drmBufDesc, *drmBufDescPtr;
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typedef struct _drmBufInfo {
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int count; /**< Number of buffers described in list */
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drmBufDescPtr list; /**< List of buffer descriptions */
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} drmBufInfo, *drmBufInfoPtr;
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typedef struct _drmBuf {
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int idx; /**< Index into the master buffer list */
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int total; /**< Buffer size */
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int used; /**< Amount of buffer in use (for DMA) */
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drmAddress address; /**< Address */
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} drmBuf, *drmBufPtr;
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/**
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* Buffer mapping information.
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*
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* Used by drmMapBufs() and drmUnmapBufs() to store information about the
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* mapped buffers.
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*/
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typedef struct _drmBufMap {
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int count; /**< Number of buffers mapped */
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drmBufPtr list; /**< Buffers */
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} drmBufMap, *drmBufMapPtr;
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typedef struct _drmLock {
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volatile unsigned int lock;
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char padding[60];
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/* This is big enough for most current (and future?) architectures:
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DEC Alpha: 32 bytes
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Intel Merced: ?
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Intel P5/PPro/PII/PIII: 32 bytes
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Intel StrongARM: 32 bytes
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Intel i386/i486: 16 bytes
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MIPS: 32 bytes (?)
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Motorola 68k: 16 bytes
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Motorola PowerPC: 32 bytes
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Sun SPARC: 32 bytes
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*/
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} drmLock, *drmLockPtr;
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/**
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* Indices here refer to the offset into
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* list in drmBufInfo
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*/
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typedef struct _drmDMAReq {
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drm_context_t context; /**< Context handle */
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int send_count; /**< Number of buffers to send */
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int *send_list; /**< List of handles to buffers */
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int *send_sizes; /**< Lengths of data to send, in bytes */
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drmDMAFlags flags; /**< Flags */
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int request_count; /**< Number of buffers requested */
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int request_size; /**< Desired size of buffers requested */
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int *request_list; /**< Buffer information */
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int *request_sizes; /**< Minimum acceptable sizes */
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int granted_count; /**< Number of buffers granted at this size */
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} drmDMAReq, *drmDMAReqPtr;
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typedef struct _drmRegion {
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drm_handle_t handle;
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unsigned int offset;
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drmSize size;
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drmAddress map;
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} drmRegion, *drmRegionPtr;
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typedef struct _drmTextureRegion {
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unsigned char next;
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unsigned char prev;
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unsigned char in_use;
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unsigned char padding; /**< Explicitly pad this out */
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unsigned int age;
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} drmTextureRegion, *drmTextureRegionPtr;
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typedef enum {
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DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */
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DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */
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DRM_VBLANK_FLIP = 0x8000000, /**< Scheduled buffer swap should flip */
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DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */
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DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */
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DRM_VBLANK_SIGNAL = 0x40000000 /* Send signal instead of blocking */
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} drmVBlankSeqType;
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typedef struct _drmVBlankReq {
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drmVBlankSeqType type;
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unsigned int sequence;
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unsigned long signal;
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} drmVBlankReq, *drmVBlankReqPtr;
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typedef struct _drmVBlankReply {
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drmVBlankSeqType type;
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unsigned int sequence;
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long tval_sec;
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long tval_usec;
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} drmVBlankReply, *drmVBlankReplyPtr;
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typedef union _drmVBlank {
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drmVBlankReq request;
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drmVBlankReply reply;
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} drmVBlank, *drmVBlankPtr;
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typedef struct _drmSetVersion {
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int drm_di_major;
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int drm_di_minor;
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int drm_dd_major;
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int drm_dd_minor;
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} drmSetVersion, *drmSetVersionPtr;
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#define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock)
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#define DRM_LOCK_HELD 0x80000000U /**< Hardware lock is held */
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#define DRM_LOCK_CONT 0x40000000U /**< Hardware lock is contended */
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#if defined(__GNUC__) && (__GNUC__ >= 2)
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# if defined(__i386) || defined(__AMD64__) || defined(__x86_64__) || defined(__amd64__)
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/* Reflect changes here to drmP.h */
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#define DRM_CAS(lock,old,new,__ret) \
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do { \
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int __dummy; /* Can't mark eax as clobbered */ \
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__asm__ __volatile__( \
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"lock ; cmpxchg %4,%1\n\t" \
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"setnz %0" \
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: "=d" (__ret), \
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"=m" (__drm_dummy_lock(lock)), \
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"=a" (__dummy) \
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: "2" (old), \
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"r" (new)); \
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} while (0)
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#elif defined(__alpha__)
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#define DRM_CAS(lock, old, new, ret) \
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do { \
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int old32; \
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int cur32; \
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__asm__ __volatile__( \
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" mb\n" \
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" zap %4, 0xF0, %0\n" \
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" ldl_l %1, %2\n" \
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" zap %1, 0xF0, %1\n" \
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" cmpeq %0, %1, %1\n" \
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" beq %1, 1f\n" \
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" bis %5, %5, %1\n" \
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" stl_c %1, %2\n" \
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"1: xor %1, 1, %1\n" \
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" stl %1, %3" \
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: "=r" (old32), \
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"=&r" (cur32), \
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"=m" (__drm_dummy_lock(lock)),\
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"=m" (ret) \
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: "r" (old), \
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"r" (new)); \
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} while(0)
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#elif defined(__sparc__)
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#define DRM_CAS(lock,old,new,__ret) \
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do { register unsigned int __old __asm("o0"); \
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register unsigned int __new __asm("o1"); \
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register volatile unsigned int *__lock __asm("o2"); \
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__old = old; \
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__new = new; \
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__lock = (volatile unsigned int *)lock; \
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__asm__ __volatile__( \
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/*"cas [%2], %3, %0"*/ \
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".word 0xd3e29008\n\t" \
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/*"membar #StoreStore | #StoreLoad"*/ \
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".word 0x8143e00a" \
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: "=&r" (__new) \
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: "0" (__new), \
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"r" (__lock), \
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"r" (__old) \
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: "memory"); \
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__ret = (__new != __old); \
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} while(0)
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#elif defined(__ia64__)
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#ifdef __INTEL_COMPILER
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/* this currently generates bad code (missing stop bits)... */
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#include <ia64intrin.h>
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#define DRM_CAS(lock,old,new,__ret) \
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do { \
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unsigned long __result, __old = (old) & 0xffffffff; \
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__mf(); \
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__result = _InterlockedCompareExchange_acq(&__drm_dummy_lock(lock), (new), __old);\
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__ret = (__result) != (__old); \
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/* __ret = (__sync_val_compare_and_swap(&__drm_dummy_lock(lock), \
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(old), (new)) \
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!= (old)); */\
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} while (0)
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#else
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#define DRM_CAS(lock,old,new,__ret) \
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do { \
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unsigned int __result, __old = (old); \
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__asm__ __volatile__( \
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"mf\n" \
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"mov ar.ccv=%2\n" \
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";;\n" \
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"cmpxchg4.acq %0=%1,%3,ar.ccv" \
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: "=r" (__result), "=m" (__drm_dummy_lock(lock)) \
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: "r" ((unsigned long)__old), "r" (new) \
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: "memory"); \
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__ret = (__result) != (__old); \
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} while (0)
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#endif
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#elif defined(__powerpc__)
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#define DRM_CAS(lock,old,new,__ret) \
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do { \
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__asm__ __volatile__( \
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"sync;" \
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"0: lwarx %0,0,%1;" \
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" xor. %0,%3,%0;" \
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" bne 1f;" \
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" stwcx. %2,0,%1;" \
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" bne- 0b;" \
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"1: " \
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"sync;" \
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: "=&r"(__ret) \
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: "r"(lock), "r"(new), "r"(old) \
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: "cr0", "memory"); \
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} while (0)
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#endif /* architecture */
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#endif /* __GNUC__ >= 2 */
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#ifndef DRM_CAS
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#define DRM_CAS(lock,old,new,ret) do { ret=1; } while (0) /* FAST LOCK FAILS */
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#endif
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#if defined(__alpha__) || defined(__powerpc__)
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#define DRM_CAS_RESULT(_result) int _result
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#else
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#define DRM_CAS_RESULT(_result) char _result
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#endif
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#define DRM_LIGHT_LOCK(fd,lock,context) \
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do { \
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DRM_CAS_RESULT(__ret); \
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DRM_CAS(lock,context,DRM_LOCK_HELD|context,__ret); \
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if (__ret) drmGetLock(fd,context,0); \
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} while(0)
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/* This one counts fast locks -- for
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benchmarking only. */
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#define DRM_LIGHT_LOCK_COUNT(fd,lock,context,count) \
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do { \
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DRM_CAS_RESULT(__ret); \
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DRM_CAS(lock,context,DRM_LOCK_HELD|context,__ret); \
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if (__ret) drmGetLock(fd,context,0); \
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else ++count; \
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} while(0)
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#define DRM_LOCK(fd,lock,context,flags) \
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do { \
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if (flags) drmGetLock(fd,context,flags); \
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else DRM_LIGHT_LOCK(fd,lock,context); \
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} while(0)
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#define DRM_UNLOCK(fd,lock,context) \
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do { \
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DRM_CAS_RESULT(__ret); \
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DRM_CAS(lock,DRM_LOCK_HELD|context,context,__ret); \
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if (__ret) drmUnlock(fd,context); \
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} while(0)
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/* Simple spin locks */
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#define DRM_SPINLOCK(spin,val) \
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do { \
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DRM_CAS_RESULT(__ret); \
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do { \
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DRM_CAS(spin,0,val,__ret); \
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if (__ret) while ((spin)->lock); \
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} while (__ret); \
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} while(0)
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#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 drmUpdateDrawableInfo(int fd, drm_drawable_t handle,
|
|
drm_drawable_info_type_t type,
|
|
unsigned int num, void *data);
|
|
extern int drmCtlInstHandler(int fd, int irq);
|
|
extern int drmCtlUninstHandler(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,
|
|
drm_handle_t *handle);
|
|
extern int drmAgpFree(int fd, drm_handle_t handle);
|
|
extern int drmAgpBind(int fd, drm_handle_t handle,
|
|
unsigned long offset);
|
|
extern int drmAgpUnbind(int fd, drm_handle_t 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,
|
|
drm_handle_t *handle);
|
|
extern int drmScatterGatherFree(int fd, drm_handle_t handle);
|
|
|
|
extern int drmWaitVBlank(int fd, drmVBlankPtr vbl);
|
|
|
|
/* Support routines */
|
|
extern void drmSetServerInfo(drmServerInfoPtr info);
|
|
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);
|
|
|
|
extern int drmOpenOnce(void *unused, const char *BusID, int *newlyopened);
|
|
extern void drmCloseOnce(int fd);
|
|
|
|
#endif
|