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 | */ |
26 | |
27 | #ifndef _UAPI_AGP_H |
28 | #define _UAPI_AGP_H |
29 | |
30 | #define AGPIOC_BASE 'A' |
31 | #define AGPIOC_INFO _IOR (AGPIOC_BASE, 0, struct agp_info*) |
32 | #define AGPIOC_ACQUIRE _IO (AGPIOC_BASE, 1) |
33 | #define AGPIOC_RELEASE _IO (AGPIOC_BASE, 2) |
34 | #define AGPIOC_SETUP _IOW (AGPIOC_BASE, 3, struct agp_setup*) |
35 | #define AGPIOC_RESERVE _IOW (AGPIOC_BASE, 4, struct agp_region*) |
36 | #define AGPIOC_PROTECT _IOW (AGPIOC_BASE, 5, struct agp_region*) |
37 | #define AGPIOC_ALLOCATE _IOWR(AGPIOC_BASE, 6, struct agp_allocate*) |
38 | #define AGPIOC_DEALLOCATE _IOW (AGPIOC_BASE, 7, int) |
39 | #define AGPIOC_BIND _IOW (AGPIOC_BASE, 8, struct agp_bind*) |
40 | #define AGPIOC_UNBIND _IOW (AGPIOC_BASE, 9, struct agp_unbind*) |
41 | #define AGPIOC_CHIPSET_FLUSH _IO (AGPIOC_BASE, 10) |
42 | |
43 | #define AGP_DEVICE "/dev/agpgart" |
44 | |
45 | #ifndef TRUE |
46 | #define TRUE 1 |
47 | #endif |
48 | |
49 | #ifndef FALSE |
50 | #define FALSE 0 |
51 | #endif |
52 | |
53 | #ifndef __KERNEL__ |
54 | #include <linux/types.h> |
55 | |
56 | struct agp_version { |
57 | __u16 major; |
58 | __u16 minor; |
59 | }; |
60 | |
61 | typedef struct _agp_info { |
62 | struct agp_version version; /* version of the driver */ |
63 | __u32 bridge_id; /* bridge vendor/device */ |
64 | __u32 agp_mode; /* mode info of bridge */ |
65 | unsigned long aper_base;/* base of aperture */ |
66 | __kernel_size_t aper_size; /* size of aperture */ |
67 | __kernel_size_t pg_total; /* max pages (swap + system) */ |
68 | __kernel_size_t pg_system; /* max pages (system) */ |
69 | __kernel_size_t pg_used; /* current pages used */ |
70 | } agp_info; |
71 | |
72 | typedef struct _agp_setup { |
73 | __u32 agp_mode; /* mode info of bridge */ |
74 | } agp_setup; |
75 | |
76 | /* |
77 | * The "prot" down below needs still a "sleep" flag somehow ... |
78 | */ |
79 | typedef struct _agp_segment { |
80 | __kernel_off_t pg_start; /* starting page to populate */ |
81 | __kernel_size_t pg_count; /* number of pages */ |
82 | int prot; /* prot flags for mmap */ |
83 | } agp_segment; |
84 | |
85 | typedef struct _agp_region { |
86 | __kernel_pid_t pid; /* pid of process */ |
87 | __kernel_size_t seg_count; /* number of segments */ |
88 | struct _agp_segment *seg_list; |
89 | } agp_region; |
90 | |
91 | typedef struct _agp_allocate { |
92 | int key; /* tag of allocation */ |
93 | __kernel_size_t pg_count;/* number of pages */ |
94 | __u32 type; /* 0 == normal, other devspec */ |
95 | __u32 physical; /* device specific (some devices |
96 | * need a phys address of the |
97 | * actual page behind the gatt |
98 | * table) */ |
99 | } agp_allocate; |
100 | |
101 | typedef struct _agp_bind { |
102 | int key; /* tag of allocation */ |
103 | __kernel_off_t pg_start;/* starting page to populate */ |
104 | } agp_bind; |
105 | |
106 | typedef struct _agp_unbind { |
107 | int key; /* tag of allocation */ |
108 | __u32 priority; /* priority for paging out */ |
109 | } agp_unbind; |
110 | |
111 | #endif /* __KERNEL__ */ |
112 | |
113 | #endif /* _UAPI_AGP_H */ |
114 | |