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1/*2 * AGPGART module version 0.993 * Copyright (C) 1999 Jeff Hartmann4 * 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 a8 * copy of this software and associated documentation files (the "Software"),9 * to deal in the Software without restriction, including without limitation10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,11 * and/or sell copies of the Software, and to permit persons to whom the12 * Software is furnished to do so, subject to the following conditions:13 *14 * The above copyright notice and this permission notice shall be included15 * in all copies or substantial portions of the Software.16 *17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL20 * 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_H28#define _UAPI_AGP_H29 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 TRUE46#define TRUE 147#endif48 49#ifndef FALSE50#define FALSE 051#endif52 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 */114