Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * AGPGART module version 0.99 | |
3 | * Copyright (C) 1999 Jeff Hartmann | |
4 | * Copyright (C) 1999 Precision Insight, Inc. | |
5 | * Copyright (C) 1999 Xi Graphics, Inc. | |
6 | * | |
7 | * Permission is hereby granted, free of charge, to any person obtaining a | |
8 | * copy of this software and associated documentation files (the "Software"), | |
9 | * to deal in the Software without restriction, including without limitation | |
10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
11 | * and/or sell copies of the Software, and to permit persons to whom the | |
12 | * Software is furnished to do so, subject to the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice shall be included | |
15 | * in all copies or substantial portions of the Software. | |
16 | * | |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
20 | * JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, | |
21 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | |
22 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE | |
23 | * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
24 | * | |
25 | */ | |
1da177e4 LT |
26 | #ifndef _AGP_H |
27 | #define _AGP_H 1 | |
28 | ||
16867823 | 29 | #include <linux/mutex.h> |
72b9760b | 30 | #include <linux/agp_backend.h> |
607ca46e | 31 | #include <uapi/linux/agpgart.h> |
1da177e4 | 32 | |
1da177e4 LT |
33 | struct agp_info { |
34 | struct agp_version version; /* version of the driver */ | |
35 | u32 bridge_id; /* bridge vendor/device */ | |
36 | u32 agp_mode; /* mode info of bridge */ | |
37 | unsigned long aper_base;/* base of aperture */ | |
38 | size_t aper_size; /* size of aperture */ | |
39 | size_t pg_total; /* max pages (swap + system) */ | |
40 | size_t pg_system; /* max pages (system) */ | |
41 | size_t pg_used; /* current pages used */ | |
42 | }; | |
43 | ||
44 | struct agp_setup { | |
45 | u32 agp_mode; /* mode info of bridge */ | |
46 | }; | |
47 | ||
48 | /* | |
49 | * The "prot" down below needs still a "sleep" flag somehow ... | |
50 | */ | |
51 | struct agp_segment { | |
52 | off_t pg_start; /* starting page to populate */ | |
53 | size_t pg_count; /* number of pages */ | |
54 | int prot; /* prot flags for mmap */ | |
55 | }; | |
56 | ||
57 | struct agp_segment_priv { | |
58 | off_t pg_start; | |
59 | size_t pg_count; | |
60 | pgprot_t prot; | |
61 | }; | |
62 | ||
63 | struct agp_region { | |
64 | pid_t pid; /* pid of process */ | |
65 | size_t seg_count; /* number of segments */ | |
66 | struct agp_segment *seg_list; | |
67 | }; | |
68 | ||
69 | struct agp_allocate { | |
70 | int key; /* tag of allocation */ | |
71 | size_t pg_count; /* number of pages */ | |
72 | u32 type; /* 0 == normal, other devspec */ | |
73 | u32 physical; /* device specific (some devices | |
74 | * need a phys address of the | |
75 | * actual page behind the gatt | |
76 | * table) */ | |
77 | }; | |
78 | ||
79 | struct agp_bind { | |
80 | int key; /* tag of allocation */ | |
81 | off_t pg_start; /* starting page to populate */ | |
82 | }; | |
83 | ||
84 | struct agp_unbind { | |
85 | int key; /* tag of allocation */ | |
86 | u32 priority; /* priority for paging out */ | |
87 | }; | |
88 | ||
89 | struct agp_client { | |
90 | struct agp_client *next; | |
91 | struct agp_client *prev; | |
92 | pid_t pid; | |
93 | int num_segments; | |
94 | struct agp_segment_priv **segments; | |
95 | }; | |
96 | ||
97 | struct agp_controller { | |
98 | struct agp_controller *next; | |
99 | struct agp_controller *prev; | |
100 | pid_t pid; | |
101 | int num_clients; | |
102 | struct agp_memory *pool; | |
103 | struct agp_client *clients; | |
104 | }; | |
105 | ||
106 | #define AGP_FF_ALLOW_CLIENT 0 | |
107 | #define AGP_FF_ALLOW_CONTROLLER 1 | |
108 | #define AGP_FF_IS_CLIENT 2 | |
109 | #define AGP_FF_IS_CONTROLLER 3 | |
110 | #define AGP_FF_IS_VALID 4 | |
111 | ||
112 | struct agp_file_private { | |
113 | struct agp_file_private *next; | |
114 | struct agp_file_private *prev; | |
115 | pid_t my_pid; | |
64b33619 | 116 | unsigned long access_flags; /* long req'd for set_bit --RR */ |
1da177e4 LT |
117 | }; |
118 | ||
119 | struct agp_front_data { | |
16867823 | 120 | struct mutex agp_mutex; |
1da177e4 LT |
121 | struct agp_controller *current_controller; |
122 | struct agp_controller *controllers; | |
123 | struct agp_file_private *file_priv_list; | |
9516b030 DA |
124 | bool used_by_controller; |
125 | bool backend_acquired; | |
1da177e4 LT |
126 | }; |
127 | ||
1da177e4 | 128 | #endif /* _AGP_H */ |