/* * AGPGART module version 0.99 * 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_H#define _AGP_H 1 #include <linux/mutex.h>#include <linux/agp_backend.h>#include <uapi/linux/agpgart.h> struct agp_info {	struct agp_version version;	/* version of the driver        */	u32 bridge_id;		/* bridge vendor/device         */	u32 agp_mode;		/* mode info of bridge          */	unsigned long aper_base;/* base of aperture             */	size_t aper_size;	/* size of aperture             */	size_t pg_total;	/* max pages (swap + system)    */	size_t pg_system;	/* max pages (system)           */	size_t pg_used;		/* current pages used           */}; struct agp_setup {	u32 agp_mode;		/* mode info of bridge          */}; /* * The "prot" down below needs still a "sleep" flag somehow ... */struct agp_segment {	off_t pg_start;		/* starting page to populate    */	size_t pg_count;	/* number of pages              */	int prot;		/* prot flags for mmap          */}; struct agp_segment_priv {	off_t pg_start;	size_t pg_count;	pgprot_t prot;}; struct agp_region {	pid_t pid;		/* pid of process               */	size_t seg_count;	/* number of segments           */	struct agp_segment *seg_list;}; struct agp_allocate {	int key;		/* tag of allocation            */	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_bind {	int key;		/* tag of allocation            */	off_t pg_start;		/* starting page to populate    */}; struct agp_unbind {	int key;		/* tag of allocation            */	u32 priority;		/* priority for paging out      */}; struct agp_client {	struct agp_client *next;	struct agp_client *prev;	pid_t pid;	int num_segments;	struct agp_segment_priv **segments;}; struct agp_controller {	struct agp_controller *next;	struct agp_controller *prev;	pid_t pid;	int num_clients;	struct agp_memory *pool;	struct agp_client *clients;}; #define AGP_FF_ALLOW_CLIENT		0#define AGP_FF_ALLOW_CONTROLLER 	1#define AGP_FF_IS_CLIENT		2#define AGP_FF_IS_CONTROLLER		3#define AGP_FF_IS_VALID 		4 struct agp_file_private {	struct agp_file_private *next;	struct agp_file_private *prev;	pid_t my_pid;	unsigned long access_flags;	/* long req'd for set_bit --RR */}; struct agp_front_data {	struct mutex agp_mutex;	struct agp_controller *current_controller;	struct agp_controller *controllers;	struct agp_file_private *file_priv_list;	bool used_by_controller;	bool backend_acquired;}; #endif				/* _AGP_H */