1607ca46eSDavid Howells /* 2607ca46eSDavid Howells * AGPGART module version 0.99 3607ca46eSDavid Howells * Copyright (C) 1999 Jeff Hartmann 4607ca46eSDavid Howells * Copyright (C) 1999 Precision Insight, Inc. 5607ca46eSDavid Howells * Copyright (C) 1999 Xi Graphics, Inc. 6607ca46eSDavid Howells * 7607ca46eSDavid Howells * Permission is hereby granted, free of charge, to any person obtaining a 8607ca46eSDavid Howells * copy of this software and associated documentation files (the "Software"), 9607ca46eSDavid Howells * to deal in the Software without restriction, including without limitation 10607ca46eSDavid Howells * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11607ca46eSDavid Howells * and/or sell copies of the Software, and to permit persons to whom the 12607ca46eSDavid Howells * Software is furnished to do so, subject to the following conditions: 13607ca46eSDavid Howells * 14607ca46eSDavid Howells * The above copyright notice and this permission notice shall be included 15607ca46eSDavid Howells * in all copies or substantial portions of the Software. 16607ca46eSDavid Howells * 17607ca46eSDavid Howells * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18607ca46eSDavid Howells * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19607ca46eSDavid Howells * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20607ca46eSDavid Howells * JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, 21607ca46eSDavid Howells * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 22607ca46eSDavid Howells * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE 23607ca46eSDavid Howells * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24607ca46eSDavid Howells * 25607ca46eSDavid Howells */ 26607ca46eSDavid Howells 27607ca46eSDavid Howells #ifndef _UAPI_AGP_H 28607ca46eSDavid Howells #define _UAPI_AGP_H 29607ca46eSDavid Howells 30607ca46eSDavid Howells #define AGPIOC_BASE 'A' 31607ca46eSDavid Howells #define AGPIOC_INFO _IOR (AGPIOC_BASE, 0, struct agp_info*) 32607ca46eSDavid Howells #define AGPIOC_ACQUIRE _IO (AGPIOC_BASE, 1) 33607ca46eSDavid Howells #define AGPIOC_RELEASE _IO (AGPIOC_BASE, 2) 34607ca46eSDavid Howells #define AGPIOC_SETUP _IOW (AGPIOC_BASE, 3, struct agp_setup*) 35607ca46eSDavid Howells #define AGPIOC_RESERVE _IOW (AGPIOC_BASE, 4, struct agp_region*) 36607ca46eSDavid Howells #define AGPIOC_PROTECT _IOW (AGPIOC_BASE, 5, struct agp_region*) 37607ca46eSDavid Howells #define AGPIOC_ALLOCATE _IOWR(AGPIOC_BASE, 6, struct agp_allocate*) 38607ca46eSDavid Howells #define AGPIOC_DEALLOCATE _IOW (AGPIOC_BASE, 7, int) 39607ca46eSDavid Howells #define AGPIOC_BIND _IOW (AGPIOC_BASE, 8, struct agp_bind*) 40607ca46eSDavid Howells #define AGPIOC_UNBIND _IOW (AGPIOC_BASE, 9, struct agp_unbind*) 41607ca46eSDavid Howells #define AGPIOC_CHIPSET_FLUSH _IO (AGPIOC_BASE, 10) 42607ca46eSDavid Howells 43607ca46eSDavid Howells #define AGP_DEVICE "/dev/agpgart" 44607ca46eSDavid Howells 45607ca46eSDavid Howells #ifndef TRUE 46607ca46eSDavid Howells #define TRUE 1 47607ca46eSDavid Howells #endif 48607ca46eSDavid Howells 49607ca46eSDavid Howells #ifndef FALSE 50607ca46eSDavid Howells #define FALSE 0 51607ca46eSDavid Howells #endif 52607ca46eSDavid Howells 53607ca46eSDavid Howells #ifndef __KERNEL__ 54607ca46eSDavid Howells #include <linux/types.h> 55607ca46eSDavid Howells 56607ca46eSDavid Howells struct agp_version { 57607ca46eSDavid Howells __u16 major; 58607ca46eSDavid Howells __u16 minor; 59607ca46eSDavid Howells }; 60607ca46eSDavid Howells 61607ca46eSDavid Howells typedef struct _agp_info { 62607ca46eSDavid Howells struct agp_version version; /* version of the driver */ 63607ca46eSDavid Howells __u32 bridge_id; /* bridge vendor/device */ 64607ca46eSDavid Howells __u32 agp_mode; /* mode info of bridge */ 65607ca46eSDavid Howells unsigned long aper_base;/* base of aperture */ 66*783eb354SMasahiro Yamada __kernel_size_t aper_size; /* size of aperture */ 67*783eb354SMasahiro Yamada __kernel_size_t pg_total; /* max pages (swap + system) */ 68*783eb354SMasahiro Yamada __kernel_size_t pg_system; /* max pages (system) */ 69*783eb354SMasahiro Yamada __kernel_size_t pg_used; /* current pages used */ 70607ca46eSDavid Howells } agp_info; 71607ca46eSDavid Howells 72607ca46eSDavid Howells typedef struct _agp_setup { 73607ca46eSDavid Howells __u32 agp_mode; /* mode info of bridge */ 74607ca46eSDavid Howells } agp_setup; 75607ca46eSDavid Howells 76607ca46eSDavid Howells /* 77607ca46eSDavid Howells * The "prot" down below needs still a "sleep" flag somehow ... 78607ca46eSDavid Howells */ 79607ca46eSDavid Howells typedef struct _agp_segment { 80607ca46eSDavid Howells __kernel_off_t pg_start; /* starting page to populate */ 81607ca46eSDavid Howells __kernel_size_t pg_count; /* number of pages */ 82607ca46eSDavid Howells int prot; /* prot flags for mmap */ 83607ca46eSDavid Howells } agp_segment; 84607ca46eSDavid Howells 85607ca46eSDavid Howells typedef struct _agp_region { 86607ca46eSDavid Howells __kernel_pid_t pid; /* pid of process */ 87607ca46eSDavid Howells __kernel_size_t seg_count; /* number of segments */ 88607ca46eSDavid Howells struct _agp_segment *seg_list; 89607ca46eSDavid Howells } agp_region; 90607ca46eSDavid Howells 91607ca46eSDavid Howells typedef struct _agp_allocate { 92607ca46eSDavid Howells int key; /* tag of allocation */ 93607ca46eSDavid Howells __kernel_size_t pg_count;/* number of pages */ 94607ca46eSDavid Howells __u32 type; /* 0 == normal, other devspec */ 95607ca46eSDavid Howells __u32 physical; /* device specific (some devices 96607ca46eSDavid Howells * need a phys address of the 97607ca46eSDavid Howells * actual page behind the gatt 98607ca46eSDavid Howells * table) */ 99607ca46eSDavid Howells } agp_allocate; 100607ca46eSDavid Howells 101607ca46eSDavid Howells typedef struct _agp_bind { 102607ca46eSDavid Howells int key; /* tag of allocation */ 103607ca46eSDavid Howells __kernel_off_t pg_start;/* starting page to populate */ 104607ca46eSDavid Howells } agp_bind; 105607ca46eSDavid Howells 106607ca46eSDavid Howells typedef struct _agp_unbind { 107607ca46eSDavid Howells int key; /* tag of allocation */ 108607ca46eSDavid Howells __u32 priority; /* priority for paging out */ 109607ca46eSDavid Howells } agp_unbind; 110607ca46eSDavid Howells 111607ca46eSDavid Howells #endif /* __KERNEL__ */ 112607ca46eSDavid Howells 113607ca46eSDavid Howells #endif /* _UAPI_AGP_H */ 114