LXR linux/drivers/char/agp/compat

   1/*
   2 * Copyright (C) 1999 Jeff Hartmann
   3 * Copyright (C) 1999 Precision Insight, Inc.
   4 * Copyright (C) 1999 Xi Graphics, Inc.
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a
   7 * copy of this software and associated documentation files (the "Software"),
   8 * to deal in the Software without restriction, including without limitation
   9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 * and/or sell copies of the Software, and to permit persons to whom the
  11 * Software is furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included
  14 * in all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 * JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,
  20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
  22 * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23 *
  24 */
  25
  26#ifndef _AGP_COMPAT_IOCTL_H
  27#define _AGP_COMPAT_IOCTL_H
  28
  29#include <linux/compat.h>
  30#include <linux/agpgart.h>
  31
  32#define AGPIOC_INFO32       _IOR (AGPIOC_BASE, 0, compat_uptr_t)
  33#define AGPIOC_ACQUIRE32    _IO  (AGPIOC_BASE, 1)
  34#define AGPIOC_RELEASE32    _IO  (AGPIOC_BASE, 2)
  35#define AGPIOC_SETUP32      _IOW (AGPIOC_BASE, 3, compat_uptr_t)
  36#define AGPIOC_RESERVE32    _IOW (AGPIOC_BASE, 4, compat_uptr_t)
  37#define AGPIOC_PROTECT32    _IOW (AGPIOC_BASE, 5, compat_uptr_t)
  38#define AGPIOC_ALLOCATE32   _IOWR(AGPIOC_BASE, 6, compat_uptr_t)
  39#define AGPIOC_DEALLOCATE32 _IOW (AGPIOC_BASE, 7, compat_int_t)
  40#define AGPIOC_BIND32       _IOW (AGPIOC_BASE, 8, compat_uptr_t)
  41#define AGPIOC_UNBIND32     _IOW (AGPIOC_BASE, 9, compat_uptr_t)
  42#define AGPIOC_CHIPSET_FLUSH32 _IO (AGPIOC_BASE, 10)
  43
  44struct agp_info32 {
  45        struct agp_version version;     /* version of the driver        */
  46        u32 bridge_id;          /* bridge vendor/device         */
  47        u32 agp_mode;           /* mode info of bridge          */
  48        compat_long_t aper_base;        /* base of aperture             */
  49        compat_size_t aper_size;        /* size of aperture             */
  50        compat_size_t pg_total; /* max pages (swap + system)    */
  51        compat_size_t pg_system;        /* max pages (system)           */
  52        compat_size_t pg_used;          /* current pages used           */
  53};
  54
  55/*
  56 * The "prot" down below needs still a "sleep" flag somehow ...
  57 */
  58struct agp_segment32 {
  59        compat_off_t pg_start;          /* starting page to populate    */
  60        compat_size_t pg_count; /* number of pages              */
  61        compat_int_t prot;              /* prot flags for mmap          */
  62};
  63
  64struct agp_region32 {
  65        compat_pid_t pid;               /* pid of process               */
  66        compat_size_t seg_count;        /* number of segments           */
  67        struct agp_segment32 *seg_list;
  68};
  69
  70struct agp_allocate32 {
  71        compat_int_t key;               /* tag of allocation            */
  72        compat_size_t pg_count; /* number of pages              */
  73        u32 type;               /* 0 == normal, other devspec   */
  74        u32 physical;           /* device specific (some devices
  75                                 * need a phys address of the
  76                                 * actual page behind the gatt
  77                                 * table)                        */
  78};
  79
  80struct agp_bind32 {
  81        compat_int_t key;               /* tag of allocation            */
  82        compat_off_t pg_start;          /* starting page to populate    */
  83};
  84
  85struct agp_unbind32 {
  86        compat_int_t key;               /* tag of allocation            */
  87        u32 priority;           /* priority for paging out      */
  88};
  89
  90extern struct agp_front_data agp_fe;
  91
  92int agpioc_acquire_wrap(struct agp_file_private *priv);
  93int agpioc_release_wrap(struct agp_file_private *priv);
  94int agpioc_protect_wrap(struct agp_file_private *priv);
  95int agpioc_setup_wrap(struct agp_file_private *priv, void __user *arg);
  96int agpioc_deallocate_wrap(struct agp_file_private *priv, int arg);
  97struct agp_file_private *agp_find_private(pid_t pid);
  98struct agp_client *agp_create_client(pid_t id);
  99int agp_remove_client(pid_t id);
 100int agp_create_segment(struct agp_client *client, struct agp_region *region);
 101void agp_free_memory_wrap(struct agp_memory *memory);
 102struct agp_memory *agp_allocate_memory_wrap(size_t pg_count, u32 type);
 103struct agp_memory *agp_find_mem_by_key(int key);
 104struct agp_client *agp_find_client_by_pid(pid_t id);
 105
 106#endif /* _AGP_COMPAT_H */
 107