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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 | size_t aper_size; /* size of aperture */ | |
67 | size_t pg_total; /* max pages (swap + system) */ | |
68 | size_t pg_system; /* max pages (system) */ | |
69 | 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 */ |