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 #include <stdlib.h> 56 57 struct agp_version { 58 uint16_t major; 59 uint16_t minor; 60 }; 61 62 typedef struct _agp_info { 63 struct agp_version version; /* version of the driver */ 64 uint32_t bridge_id; /* bridge vendor/device */ 65 uint32_t agp_mode; /* mode info of bridge */ 66 unsigned long aper_base;/* base of aperture */ 67 size_t aper_size; /* size of aperture */ 68 size_t pg_total; /* max pages (swap + system) */ 69 size_t pg_system; /* max pages (system) */ 70 size_t pg_used; /* current pages used */ 71 } agp_info; 72 73 typedef struct _agp_setup { 74 uint32_t agp_mode; /* mode info of bridge */ 75 } agp_setup; 76 77 /* 78 * The "prot" down below needs still a "sleep" flag somehow ... 79 */ 80 typedef struct _agp_segment { 81 __kernel_off_t pg_start; /* starting page to populate */ 82 __kernel_size_t pg_count; /* number of pages */ 83 int prot; /* prot flags for mmap */ 84 } agp_segment; 85 86 typedef struct _agp_region { 87 __kernel_pid_t pid; /* pid of process */ 88 __kernel_size_t seg_count; /* number of segments */ 89 struct _agp_segment *seg_list; 90 } agp_region; 91 92 typedef struct _agp_allocate { 93 int key; /* tag of allocation */ 94 __kernel_size_t pg_count;/* number of pages */ 95 uint32_t type; /* 0 == normal, other devspec */ 96 uint32_t physical; /* device specific (some devices 97 * need a phys address of the 98 * actual page behind the gatt 99 * table) */ 100 } agp_allocate; 101 102 typedef struct _agp_bind { 103 int key; /* tag of allocation */ 104 __kernel_off_t pg_start;/* starting page to populate */ 105 } agp_bind; 106 107 typedef struct _agp_unbind { 108 int key; /* tag of allocation */ 109 uint32_t priority; /* priority for paging out */ 110 } agp_unbind; 111 112 #endif /* __KERNEL__ */ 113 114 #endif /* _UAPI_AGP_H */ 115