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 
44 struct 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  */
58 struct 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 
64 struct 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 
70 struct 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 
80 struct agp_bind32 {
81 	compat_int_t key;		/* tag of allocation            */
82 	compat_off_t pg_start;		/* starting page to populate    */
83 };
84 
85 struct agp_unbind32 {
86 	compat_int_t key;		/* tag of allocation            */
87 	u32 priority;		/* priority for paging out      */
88 };
89 
90 extern struct agp_front_data agp_fe;
91 
92 int agpioc_acquire_wrap(struct agp_file_private *priv);
93 int agpioc_release_wrap(struct agp_file_private *priv);
94 int agpioc_protect_wrap(struct agp_file_private *priv);
95 int agpioc_setup_wrap(struct agp_file_private *priv, void __user *arg);
96 int agpioc_deallocate_wrap(struct agp_file_private *priv, int arg);
97 struct agp_file_private *agp_find_private(pid_t pid);
98 struct agp_client *agp_create_client(pid_t id);
99 int agp_remove_client(pid_t id);
100 int agp_create_segment(struct agp_client *client, struct agp_region *region);
101 void agp_free_memory_wrap(struct agp_memory *memory);
102 struct agp_memory *agp_allocate_memory_wrap(size_t pg_count, u32 type);
103 struct agp_memory *agp_find_mem_by_key(int key);
104 struct agp_client *agp_find_client_by_pid(pid_t id);
105 
106 #endif /* _AGP_COMPAT_H */
107