patch-2.2.18 linux/drivers/char/agp/agpgart.h

• Lines: 225
• Date: Sun Sep 3 00:12:57 2000
• Orig file: v2.2.17/drivers/char/agp/agpgart.h
• Orig date: Thu Jan 1 01:00:00 1970

diff -u --new-file --recursive --exclude-from /usr/src/exclude v2.2.17/drivers/char/agp/agpgart.h linux/drivers/char/agp/agpgart.h
@@ -0,0 +1,224 @@
+/*
+ * 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
+
+#define AGPIOC_BASE       'A'
+#define AGPIOC_INFO       _IOR (AGPIOC_BASE, 0, agp_info*)
+#define AGPIOC_ACQUIRE    _IO  (AGPIOC_BASE, 1)
+#define AGPIOC_RELEASE    _IO  (AGPIOC_BASE, 2)
+#define AGPIOC_SETUP      _IOW (AGPIOC_BASE, 3, agp_setup*)
+#define AGPIOC_RESERVE    _IOW (AGPIOC_BASE, 4, agp_region*)
+#define AGPIOC_PROTECT    _IOW (AGPIOC_BASE, 5, agp_region*)
+#define AGPIOC_ALLOCATE   _IOWR(AGPIOC_BASE, 6, agp_allocate*)
+#define AGPIOC_DEALLOCATE _IOW (AGPIOC_BASE, 7, int)
+#define AGPIOC_BIND       _IOW (AGPIOC_BASE, 8, agp_bind*)
+#define AGPIOC_UNBIND     _IOW (AGPIOC_BASE, 9, agp_unbind*)
+
+#define AGP_DEVICE      "/dev/agpgart"
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+#ifndef __KERNEL__
+#include <linux/types.h>
+#include <asm/types.h>
+
+typedef struct _agp_version {
+	__u16 major;
+	__u16 minor;
+} agp_version;
+
+typedef struct _agp_info {
+	agp_version version;	/* version of the driver        */
+	__u32 bridge_id;	/* bridge vendor/device         */
+	__u32 agp_mode;		/* mode info of bridge          */
+	off_t 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           */
+} agp_info;
+
+typedef struct _agp_setup {
+	__u32 agp_mode;		/* mode info of bridge          */
+} agp_setup;
+
+/*
+ * The "prot" down below needs still a "sleep" flag somehow ...
+ */
+typedef struct _agp_segment {
+	off_t pg_start;		/* starting page to populate    */
+	size_t pg_count;	/* number of pages              */
+	int prot;		/* prot flags for mmap          */
+} agp_segment;
+
+typedef struct _agp_region {
+	pid_t pid;		/* pid of process               */
+	size_t seg_count;	/* number of segments           */
+	struct _agp_segment *seg_list;
+} agp_region;
+
+typedef 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)                        */
+} agp_allocate;
+
+typedef struct _agp_bind {
+	int key;		/* tag of allocation            */
+	off_t pg_start;		/* starting page to populate    */
+} agp_bind;
+
+typedef struct _agp_unbind {
+	int key;		/* tag of allocation            */
+	__u32 priority;		/* priority for paging out      */
+} agp_unbind;
+
+#else				/* __KERNEL__ */
+
+#define AGPGART_MINOR 175
+
+#define AGP_UNLOCK()      	up(&(agp_fe.agp_mutex));
+#define AGP_LOCK()    		down(&(agp_fe.agp_mutex));
+#define AGP_LOCK_INIT() 	sema_init(&(agp_fe.agp_mutex), 1)
+
+#ifndef _AGP_BACKEND_H
+typedef struct _agp_version {
+	u16 major;
+	u16 minor;
+} agp_version;
+
+#endif
+
+typedef struct _agp_info {
+	agp_version version;	/* version of the driver        */
+	u32 bridge_id;		/* bridge vendor/device         */
+	u32 agp_mode;		/* mode info of bridge          */
+	off_t 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           */
+} agp_info;
+
+typedef struct _agp_setup {
+	u32 agp_mode;		/* mode info of bridge          */
+} agp_setup;
+
+/*
+ * The "prot" down below needs still a "sleep" flag somehow ...
+ */
+typedef struct _agp_segment {
+	off_t pg_start;		/* starting page to populate    */
+	size_t pg_count;	/* number of pages              */
+	int prot;		/* prot flags for mmap          */
+} agp_segment;
+
+typedef struct _agp_segment_priv {
+	off_t pg_start;
+	size_t pg_count;
+	pgprot_t prot;
+} agp_segment_priv;
+
+typedef struct _agp_region {
+	pid_t pid;		/* pid of process               */
+	size_t seg_count;	/* number of segments           */
+	struct _agp_segment *seg_list;
+} agp_region;
+
+typedef 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)                        */
+} agp_allocate;
+
+typedef struct _agp_bind {
+	int key;		/* tag of allocation            */
+	off_t pg_start;		/* starting page to populate    */
+} agp_bind;
+
+typedef struct _agp_unbind {
+	int key;		/* tag of allocation            */
+	u32 priority;		/* priority for paging out      */
+} agp_unbind;
+
+typedef struct _agp_client {
+	struct _agp_client *next;
+	struct _agp_client *prev;
+	pid_t pid;
+	int num_segments;
+	agp_segment_priv **segments;
+} agp_client;
+
+typedef struct _agp_controller {
+	struct _agp_controller *next;
+	struct _agp_controller *prev;
+	pid_t pid;
+	int num_clients;
+	agp_memory *pool;
+	agp_client *clients;
+} agp_controller;
+
+#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
+
+typedef struct _agp_file_private {
+	struct _agp_file_private *next;
+	struct _agp_file_private *prev;
+	pid_t my_pid;
+	u32 access_flags;
+} agp_file_private;
+
+struct agp_front_data {
+	struct semaphore agp_mutex;
+	agp_controller *current_controller;
+	agp_controller *controllers;
+	agp_file_private *file_priv_list;
+	u8 used_by_controller;
+	u8 backend_acquired;
+};
+
+#endif				/* __KERNEL__ */
+
+#endif				/* _AGP_H */