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114 lines
3.9 KiB
114 lines
3.9 KiB
/* |
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* AGPGART module version 0.99 |
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* Copyright (C) 1999 Jeff Hartmann |
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* Copyright (C) 1999 Precision Insight, Inc. |
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* Copyright (C) 1999 Xi Graphics, Inc. |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a |
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* copy of this software and associated documentation files (the "Software"), |
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* to deal in the Software without restriction, including without limitation |
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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* and/or sell copies of the Software, and to permit persons to whom the |
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* Software is furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included |
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* in all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, |
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE |
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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* |
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*/ |
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#ifndef _UAPI_AGP_H |
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#define _UAPI_AGP_H |
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#define AGPIOC_BASE 'A' |
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#define AGPIOC_INFO _IOR (AGPIOC_BASE, 0, struct agp_info*) |
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#define AGPIOC_ACQUIRE _IO (AGPIOC_BASE, 1) |
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#define AGPIOC_RELEASE _IO (AGPIOC_BASE, 2) |
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#define AGPIOC_SETUP _IOW (AGPIOC_BASE, 3, struct agp_setup*) |
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#define AGPIOC_RESERVE _IOW (AGPIOC_BASE, 4, struct agp_region*) |
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#define AGPIOC_PROTECT _IOW (AGPIOC_BASE, 5, struct agp_region*) |
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#define AGPIOC_ALLOCATE _IOWR(AGPIOC_BASE, 6, struct agp_allocate*) |
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#define AGPIOC_DEALLOCATE _IOW (AGPIOC_BASE, 7, int) |
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#define AGPIOC_BIND _IOW (AGPIOC_BASE, 8, struct agp_bind*) |
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#define AGPIOC_UNBIND _IOW (AGPIOC_BASE, 9, struct agp_unbind*) |
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#define AGPIOC_CHIPSET_FLUSH _IO (AGPIOC_BASE, 10) |
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#define AGP_DEVICE "/dev/agpgart" |
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#ifndef TRUE |
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#define TRUE 1 |
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#endif |
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#ifndef FALSE |
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#define FALSE 0 |
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#endif |
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#ifndef __KERNEL__ |
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#include <linux/types.h> |
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#include <stdlib.h> |
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struct agp_version { |
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__u16 major; |
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__u16 minor; |
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}; |
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typedef struct _agp_info { |
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struct agp_version version; /* version of the driver */ |
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__u32 bridge_id; /* bridge vendor/device */ |
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__u32 agp_mode; /* mode info of bridge */ |
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unsigned long aper_base;/* base of aperture */ |
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size_t aper_size; /* size of aperture */ |
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size_t pg_total; /* max pages (swap + system) */ |
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size_t pg_system; /* max pages (system) */ |
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size_t pg_used; /* current pages used */ |
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} agp_info; |
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typedef struct _agp_setup { |
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__u32 agp_mode; /* mode info of bridge */ |
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} agp_setup; |
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/* |
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* The "prot" down below needs still a "sleep" flag somehow ... |
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*/ |
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typedef struct _agp_segment { |
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__kernel_off_t pg_start; /* starting page to populate */ |
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__kernel_size_t pg_count; /* number of pages */ |
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int prot; /* prot flags for mmap */ |
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} agp_segment; |
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typedef struct _agp_region { |
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__kernel_pid_t pid; /* pid of process */ |
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__kernel_size_t seg_count; /* number of segments */ |
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struct _agp_segment *seg_list; |
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} agp_region; |
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typedef struct _agp_allocate { |
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int key; /* tag of allocation */ |
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__kernel_size_t pg_count;/* number of pages */ |
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__u32 type; /* 0 == normal, other devspec */ |
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__u32 physical; /* device specific (some devices |
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* need a phys address of the |
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* actual page behind the gatt |
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* table) */ |
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} agp_allocate; |
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typedef struct _agp_bind { |
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int key; /* tag of allocation */ |
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__kernel_off_t pg_start;/* starting page to populate */ |
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} agp_bind; |
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typedef struct _agp_unbind { |
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int key; /* tag of allocation */ |
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__u32 priority; /* priority for paging out */ |
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} agp_unbind; |
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#endif /* __KERNEL__ */ |
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#endif /* _UAPI_AGP_H */
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