agpgart.h (4016B)
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 56struct agp_version { 57 __u16 major; 58 __u16 minor; 59}; 60 61typedef 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 72typedef 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 */ 79typedef 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 85typedef 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 91typedef 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 101typedef struct _agp_bind { 102 int key; /* tag of allocation */ 103 __kernel_off_t pg_start;/* starting page to populate */ 104} agp_bind; 105 106typedef 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 */