[mirror_ubuntu-artful-kernel.git] / include / linux / agpgart.h

/*
 * AGPGART module version 0.99
 * Copyright (C) 1999 Jeff Hartmann
 * Copyright (C) 1999 Precision Insight, Inc.
 * Copyright (C) 1999 Xi Graphics, Inc.
 *
 * 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

#define AGPIOC_BASE       'A'
#define AGPIOC_INFO       _IOR (AGPIOC_BASE, 0, struct agp_info*)
#define AGPIOC_ACQUIRE    _IO  (AGPIOC_BASE, 1)
#define AGPIOC_RELEASE    _IO  (AGPIOC_BASE, 2)
#define AGPIOC_SETUP      _IOW (AGPIOC_BASE, 3, struct agp_setup*)
#define AGPIOC_RESERVE    _IOW (AGPIOC_BASE, 4, struct agp_region*)
#define AGPIOC_PROTECT    _IOW (AGPIOC_BASE, 5, struct agp_region*)
#define AGPIOC_ALLOCATE   _IOWR(AGPIOC_BASE, 6, struct agp_allocate*)
#define AGPIOC_DEALLOCATE _IOW (AGPIOC_BASE, 7, int)
#define AGPIOC_BIND       _IOW (AGPIOC_BASE, 8, struct agp_bind*)
#define AGPIOC_UNBIND     _IOW (AGPIOC_BASE, 9, struct agp_unbind*)
#define AGPIOC_CHIPSET_FLUSH _IO (AGPIOC_BASE, 10)

#define AGP_DEVICE      "/dev/agpgart"

#ifndef TRUE
#define TRUE 1
#endif

#ifndef FALSE
#define FALSE 0
#endif

#ifndef __KERNEL__
#include <linux/types.h>

struct agp_version {
	__u16 major;
	__u16 minor;
};

typedef 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           */
} agp_info;

typedef struct _agp_setup {
	__u32 agp_mode;		/* mode info of bridge          */
} agp_setup;

/*
 * The "prot" down below needs still a "sleep" flag somehow ...
 */
typedef struct _agp_segment {
	__kernel_off_t pg_start;	/* starting page to populate    */
	__kernel_size_t pg_count;	/* number of pages              */
	int prot;			/* prot flags for mmap          */
} agp_segment;

typedef struct _agp_region {
	__kernel_pid_t pid;		/* pid of process       */
	__kernel_size_t seg_count;	/* number of segments   */
	struct _agp_segment *seg_list;
} agp_region;

typedef struct _agp_allocate {
	int key;		/* tag of allocation            */
	__kernel_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)                        */
} agp_allocate;

typedef struct _agp_bind {
	int key;		/* tag of allocation            */
	__kernel_off_t pg_start;/* starting page to populate    */
} agp_bind;

typedef struct _agp_unbind {
	int key;		/* tag of allocation            */
	__u32 priority;		/* priority for paging out      */
} agp_unbind;

#else				/* __KERNEL__ */
#include <linux/mutex.h>
#include <linux/agp_backend.h>

#define AGPGART_MINOR 175

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				/* __KERNEL__ */

#endif				/* _AGP_H */
Commit	Line	Data
1da177e4 LT	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 _AGP_H
	28	#define _AGP_H 1
	29
1da177e4 LT	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*)
a13af4b4	41	#define AGPIOC_CHIPSET_FLUSH _IO (AGPIOC_BASE, 10)
1da177e4 LT	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>
1da177e4 LT	55
	56	struct agp_version {
	57	__u16 major;
	58	__u16 minor;
	59	};
	60
	61	typedef struct _agp_info {
	62	struct agp_version version; /* version of the driver */
	63	__u32 bridge_id; /* bridge vendor/device */
	64	__u32 agp_mode; /* mode info of bridge */
	65	unsigned long aper_base;/* base of aperture */
	66	size_t aper_size; /* size of aperture */
	67	size_t pg_total; /* max pages (swap + system) */
	68	size_t pg_system; /* max pages (system) */
	69	size_t pg_used; /* current pages used */
	70	} agp_info;
	71
	72	typedef struct _agp_setup {
	73	__u32 agp_mode; /* mode info of bridge */
	74	} agp_setup;
	75
	76	/*
	77	* The "prot" down below needs still a "sleep" flag somehow ...
	78	*/
	79	typedef struct _agp_segment {
85efde6f AB	80	__kernel_off_t pg_start; /* starting page to populate */
	81	__kernel_size_t pg_count; /* number of pages */
	82	int prot; /* prot flags for mmap */
1da177e4 LT	83	} agp_segment;
	84
	85	typedef struct _agp_region {
85efde6f AB	86	__kernel_pid_t pid; /* pid of process */
85efde6f AB	87	__kernel_size_t seg_count; /* number of segments */
1da177e4 LT	88	struct _agp_segment *seg_list;
	89	} agp_region;
	90
	91	typedef struct _agp_allocate {
	92	int key; /* tag of allocation */
85efde6f	93	__kernel_size_t pg_count;/* number of pages */
1da177e4 LT	94	__u32 type; /* 0 == normal, other devspec */
	95	__u32 physical; /* device specific (some devices
	96	* need a phys address of the
	97	* actual page behind the gatt
	98	* table) */
	99	} agp_allocate;
	100
	101	typedef struct _agp_bind {
	102	int key; /* tag of allocation */
85efde6f	103	__kernel_off_t pg_start;/* starting page to populate */
1da177e4 LT	104	} agp_bind;
	105
	106	typedef struct _agp_unbind {
	107	int key; /* tag of allocation */
	108	__u32 priority; /* priority for paging out */
	109	} agp_unbind;
	110
	111	#else /* __KERNEL__ */
16867823	112	#include <linux/mutex.h>
72b9760b	113	#include <linux/agp_backend.h>
1da177e4 LT	114
	115	#define AGPGART_MINOR 175
	116
	117	struct agp_info {
	118	struct agp_version version; /* version of the driver */
	119	u32 bridge_id; /* bridge vendor/device */
	120	u32 agp_mode; /* mode info of bridge */
	121	unsigned long aper_base;/* base of aperture */
	122	size_t aper_size; /* size of aperture */
	123	size_t pg_total; /* max pages (swap + system) */
	124	size_t pg_system; /* max pages (system) */
	125	size_t pg_used; /* current pages used */
	126	};
	127
	128	struct agp_setup {
	129	u32 agp_mode; /* mode info of bridge */
	130	};
	131
	132	/*
	133	* The "prot" down below needs still a "sleep" flag somehow ...
	134	*/
	135	struct agp_segment {
	136	off_t pg_start; /* starting page to populate */
	137	size_t pg_count; /* number of pages */
	138	int prot; /* prot flags for mmap */
	139	};
	140
	141	struct agp_segment_priv {
	142	off_t pg_start;
	143	size_t pg_count;
	144	pgprot_t prot;
	145	};
	146
	147	struct agp_region {
	148	pid_t pid; /* pid of process */
	149	size_t seg_count; /* number of segments */
	150	struct agp_segment *seg_list;
	151	};
	152
	153	struct agp_allocate {
	154	int key; /* tag of allocation */
	155	size_t pg_count; /* number of pages */
	156	u32 type; /* 0 == normal, other devspec */
	157	u32 physical; /* device specific (some devices
	158	* need a phys address of the
	159	* actual page behind the gatt
	160	* table) */
	161	};
	162
	163	struct agp_bind {
	164	int key; /* tag of allocation */
	165	off_t pg_start; /* starting page to populate */
	166	};
	167
	168	struct agp_unbind {
	169	int key; /* tag of allocation */
	170	u32 priority; /* priority for paging out */
	171	};
	172
	173	struct agp_client {
	174	struct agp_client *next;
	175	struct agp_client *prev;
	176	pid_t pid;
	177	int num_segments;
178	struct agp_segment_priv **segments;
179	};
180
181	struct agp_controller {
182	struct agp_controller *next;
183	struct agp_controller *prev;
184	pid_t pid;
185	int num_clients;
186	struct agp_memory *pool;
187	struct agp_client *clients;
188	};
189
190	#define AGP_FF_ALLOW_CLIENT 0
191	#define AGP_FF_ALLOW_CONTROLLER 1
192	#define AGP_FF_IS_CLIENT 2
193	#define AGP_FF_IS_CONTROLLER 3
194	#define AGP_FF_IS_VALID 4
195
196	struct agp_file_private {
197	struct agp_file_private *next;
198	struct agp_file_private *prev;
199	pid_t my_pid;
64b33619	200	unsigned long access_flags; /* long req'd for set_bit --RR */
1da177e4 LT	201	};
	202
	203	struct agp_front_data {
16867823	204	struct mutex agp_mutex;
1da177e4 LT	205	struct agp_controller *current_controller;
	206	struct agp_controller *controllers;
	207	struct agp_file_private *file_priv_list;
9516b030 DA	208	bool used_by_controller;
9516b030 DA	209	bool backend_acquired;
1da177e4 LT	210	};
	211
	212	#endif /* __KERNEL__ */
	213
	214	#endif /* _AGP_H */