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kernel/linux-rt-4.4.41/drivers/char/agp/compat_ioctl.h 4.28 KB
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  /*
   * Copyright (C) 1999 Jeff Hartmann
   * Copyright (C) 1999 Precision Insight, Inc.
   * Copyright (C) 1999 Xi Graphics, Inc.
   *
   * 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 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
   * JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,
   * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
   * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
   * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   *
   */
  
  #ifndef _AGP_COMPAT_IOCTL_H
  #define _AGP_COMPAT_IOCTL_H
  
  #include <linux/compat.h>
  #include <linux/agpgart.h>
  
  #define AGPIOC_INFO32       _IOR (AGPIOC_BASE, 0, compat_uptr_t)
  #define AGPIOC_ACQUIRE32    _IO  (AGPIOC_BASE, 1)
  #define AGPIOC_RELEASE32    _IO  (AGPIOC_BASE, 2)
  #define AGPIOC_SETUP32      _IOW (AGPIOC_BASE, 3, compat_uptr_t)
  #define AGPIOC_RESERVE32    _IOW (AGPIOC_BASE, 4, compat_uptr_t)
  #define AGPIOC_PROTECT32    _IOW (AGPIOC_BASE, 5, compat_uptr_t)
  #define AGPIOC_ALLOCATE32   _IOWR(AGPIOC_BASE, 6, compat_uptr_t)
  #define AGPIOC_DEALLOCATE32 _IOW (AGPIOC_BASE, 7, compat_int_t)
  #define AGPIOC_BIND32       _IOW (AGPIOC_BASE, 8, compat_uptr_t)
  #define AGPIOC_UNBIND32     _IOW (AGPIOC_BASE, 9, compat_uptr_t)
  #define AGPIOC_CHIPSET_FLUSH32 _IO (AGPIOC_BASE, 10)
  
  struct agp_info32 {
  	struct agp_version version;	/* version of the driver        */
  	u32 bridge_id;		/* bridge vendor/device         */
  	u32 agp_mode;		/* mode info of bridge          */
  	compat_long_t aper_base;	/* base of aperture             */
  	compat_size_t aper_size;	/* size of aperture             */
  	compat_size_t pg_total;	/* max pages (swap + system)    */
  	compat_size_t pg_system;	/* max pages (system)           */
  	compat_size_t pg_used;		/* current pages used           */
  };
  
  /*
   * The "prot" down below needs still a "sleep" flag somehow ...
   */
  struct agp_segment32 {
  	compat_off_t pg_start;		/* starting page to populate    */
  	compat_size_t pg_count;	/* number of pages              */
  	compat_int_t prot;		/* prot flags for mmap          */
  };
  
  struct agp_region32 {
  	compat_pid_t pid;		/* pid of process               */
  	compat_size_t seg_count;	/* number of segments           */
  	struct agp_segment32 *seg_list;
  };
  
  struct agp_allocate32 {
  	compat_int_t key;		/* tag of allocation            */
  	compat_size_t pg_count;	/* number of pages              */
  	u32 type;		/* 0 == normal, other devspec   */
  	u32 physical;           /* device specific (some devices
  				 * need a phys address of the
  				 * actual page behind the gatt
  				 * table)                        */
  };
  
  struct agp_bind32 {
  	compat_int_t key;		/* tag of allocation            */
  	compat_off_t pg_start;		/* starting page to populate    */
  };
  
  struct agp_unbind32 {
  	compat_int_t key;		/* tag of allocation            */
  	u32 priority;		/* priority for paging out      */
  };
  
  extern struct agp_front_data agp_fe;
  
  int agpioc_acquire_wrap(struct agp_file_private *priv);
  int agpioc_release_wrap(struct agp_file_private *priv);
  int agpioc_protect_wrap(struct agp_file_private *priv);
  int agpioc_setup_wrap(struct agp_file_private *priv, void __user *arg);
  int agpioc_deallocate_wrap(struct agp_file_private *priv, int arg);
  struct agp_file_private *agp_find_private(pid_t pid);
  struct agp_client *agp_create_client(pid_t id);
  int agp_remove_client(pid_t id);
  int agp_create_segment(struct agp_client *client, struct agp_region *region);
  void agp_free_memory_wrap(struct agp_memory *memory);
  struct agp_memory *agp_allocate_memory_wrap(size_t pg_count, u32 type);
  struct agp_memory *agp_find_mem_by_key(int key);
  struct agp_client *agp_find_client_by_pid(pid_t id);
  
  #endif /* _AGP_COMPAT_H */