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128 lines
3.8 KiB
128 lines
3.8 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 _AGP_H |
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#define _AGP_H 1 |
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#include <linux/mutex.h> |
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#include <linux/agp_backend.h> |
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#include <uapi/linux/agpgart.h> |
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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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}; |
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struct agp_setup { |
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u32 agp_mode; /* mode info of bridge */ |
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}; |
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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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struct agp_segment { |
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off_t pg_start; /* starting page to populate */ |
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size_t pg_count; /* number of pages */ |
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int prot; /* prot flags for mmap */ |
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}; |
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struct agp_segment_priv { |
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off_t pg_start; |
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size_t pg_count; |
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pgprot_t prot; |
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}; |
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struct agp_region { |
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pid_t pid; /* pid of process */ |
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size_t seg_count; /* number of segments */ |
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struct agp_segment *seg_list; |
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}; |
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struct agp_allocate { |
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int key; /* tag of allocation */ |
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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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}; |
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struct agp_bind { |
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int key; /* tag of allocation */ |
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off_t pg_start; /* starting page to populate */ |
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}; |
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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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}; |
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struct agp_client { |
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struct agp_client *next; |
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struct agp_client *prev; |
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pid_t pid; |
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int num_segments; |
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struct agp_segment_priv **segments; |
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}; |
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struct agp_controller { |
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struct agp_controller *next; |
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struct agp_controller *prev; |
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pid_t pid; |
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int num_clients; |
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struct agp_memory *pool; |
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struct agp_client *clients; |
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}; |
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#define AGP_FF_ALLOW_CLIENT 0 |
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#define AGP_FF_ALLOW_CONTROLLER 1 |
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#define AGP_FF_IS_CLIENT 2 |
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#define AGP_FF_IS_CONTROLLER 3 |
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#define AGP_FF_IS_VALID 4 |
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struct agp_file_private { |
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struct agp_file_private *next; |
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struct agp_file_private *prev; |
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pid_t my_pid; |
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unsigned long access_flags; /* long req'd for set_bit --RR */ |
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}; |
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struct agp_front_data { |
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struct mutex agp_mutex; |
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struct agp_controller *current_controller; |
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struct agp_controller *controllers; |
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struct agp_file_private *file_priv_list; |
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bool used_by_controller; |
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bool backend_acquired; |
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}; |
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#endif /* _AGP_H */
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