linux/include/linux/agpgart.h at multikernel-arm · multikernel/linux · GitHub

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* AGPGART module version 0.99

* Permission is hereby granted, free of charge, to any person obtaining a

* copy of this software and associated documentation files (the "Software"),

* to deal in the Software without restriction, including without limitation

* the rights to use, copy, modify, merge, publish, distribute, sublicense,

* and/or sell copies of the Software, and to permit persons to whom the

* Software is furnished to do so, subject to the following conditions:

* The above copyright notice and this permission notice shall be included

* in all copies or substantial portions of the Software.

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

* JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,

* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR

* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE

* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

#ifndef _AGP_H

#define _AGP_H 1

#include <linux/mutex.h>

#include <linux/agp_backend.h>

#include <uapi/linux/agpgart.h>

struct agp_info {

struct agp_version version; /* version of the driver */

u32 bridge_id; /* bridge vendor/device */

u32 agp_mode; /* mode info of bridge */

unsigned long aper_base;/* base of aperture */

size_t aper_size; /* size of aperture */

size_t pg_total; /* max pages (swap + system) */

size_t pg_system; /* max pages (system) */

size_t pg_used; /* current pages used */

};

struct agp_setup {

u32 agp_mode; /* mode info of bridge */

};

* The "prot" down below needs still a "sleep" flag somehow ...

struct agp_segment {

off_t pg_start; /* starting page to populate */

size_t pg_count; /* number of pages */

int prot; /* prot flags for mmap */

};

struct agp_segment_priv {

off_t pg_start;

size_t pg_count;

pgprot_t prot;

};

struct agp_region {

pid_t pid; /* pid of process */

size_t seg_count; /* number of segments */

struct agp_segment *seg_list;

};

struct agp_allocate {

int key; /* tag of allocation */

size_t pg_count; /* number of pages */

u32 type; /* 0 == normal, other devspec */

u32 physical; /* device specific (some devices

* need a phys address of the

* actual page behind the gatt

* table) */

};

struct agp_bind {

int key; /* tag of allocation */

off_t pg_start; /* starting page to populate */

};

struct agp_unbind {

int key; /* tag of allocation */

u32 priority; /* priority for paging out */

};

struct agp_client {

struct agp_client *next;

struct agp_client *prev;

pid_t pid;

int num_segments;

struct agp_segment_priv **segments;

};

struct agp_controller {

struct agp_controller *next;

struct agp_controller *prev;

pid_t pid;

int num_clients;

struct agp_memory *pool;

struct agp_client *clients;

};

#define AGP_FF_ALLOW_CLIENT 0

#define AGP_FF_ALLOW_CONTROLLER 1

#define AGP_FF_IS_CLIENT 2

#define AGP_FF_IS_CONTROLLER 3

#define AGP_FF_IS_VALID 4

struct agp_file_private {

struct agp_file_private *next;

struct agp_file_private *prev;

pid_t my_pid;

unsigned long access_flags; /* long req'd for set_bit --RR */

};

struct agp_front_data {

struct mutex agp_mutex;

struct agp_controller *current_controller;

struct agp_controller *controllers;

struct agp_file_private *file_priv_list;

bool used_by_controller;

bool backend_acquired;

};

#endif /* _AGP_H */

linux/include/linux/agpgart.h at multikernel-arm · multikernel/linux · GitHub

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