WebSVN - shark - Blame - Rev 1618 - /shark/branches/xen/drivers/linuxc26/include/linux/agpgart.h

Rev	Author	Line No.	Line
422	giacomo	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
		30	#include <linux/agp_backend.h>
		31
		32	#define AGPIOC_BASE 'A'
		33	#define AGPIOC_INFO _IOR (AGPIOC_BASE, 0, struct agp_info*)
		34	#define AGPIOC_ACQUIRE _IO (AGPIOC_BASE, 1)
		35	#define AGPIOC_RELEASE _IO (AGPIOC_BASE, 2)
		36	#define AGPIOC_SETUP _IOW (AGPIOC_BASE, 3, struct agp_setup*)
		37	#define AGPIOC_RESERVE _IOW (AGPIOC_BASE, 4, struct agp_region*)
		38	#define AGPIOC_PROTECT _IOW (AGPIOC_BASE, 5, struct agp_region*)
		39	#define AGPIOC_ALLOCATE _IOWR(AGPIOC_BASE, 6, struct agp_allocate*)
		40	#define AGPIOC_DEALLOCATE _IOW (AGPIOC_BASE, 7, int)
		41	#define AGPIOC_BIND _IOW (AGPIOC_BASE, 8, struct agp_bind*)
		42	#define AGPIOC_UNBIND _IOW (AGPIOC_BASE, 9, struct agp_unbind*)
		43
		44	#define AGP_DEVICE "/dev/agpgart"
		45
		46	#ifndef TRUE
		47	#define TRUE 1
		48	#endif
		49
		50	#ifndef FALSE
		51	#define FALSE 0
		52	#endif
		53
		54	#ifndef __KERNEL__
		55	#include <linux/types.h>
		56	#include <asm/types.h>
		57
		58	struct agp_version {
		59	__u16 major;
		60	__u16 minor;
		61	};
		62
		63	typedef struct _agp_info {
		64	struct agp_version version; /* version of the driver */
		65	__u32 bridge_id; /* bridge vendor/device */
		66	__u32 agp_mode; /* mode info of bridge */
		67	off_t aper_base; /* base of aperture */
		68	size_t aper_size; /* size of aperture */
		69	size_t pg_total; /* max pages (swap + system) */
		70	size_t pg_system; /* max pages (system) */
		71	size_t pg_used; /* current pages used */
		72	} agp_info;
		73
		74	typedef struct _agp_setup {
		75	__u32 agp_mode; /* mode info of bridge */
		76	} agp_setup;
		77
		78	/*
		79	* The "prot" down below needs still a "sleep" flag somehow ...
		80	*/
		81	typedef struct _agp_segment {
		82	off_t pg_start; /* starting page to populate */
		83	size_t pg_count; /* number of pages */
		84	int prot; /* prot flags for mmap */
		85	} agp_segment;
		86
		87	typedef struct _agp_region {
		88	pid_t pid; /* pid of process */
		89	size_t seg_count; /* number of segments */
		90	struct _agp_segment *seg_list;
		91	} agp_region;
		92
		93	typedef struct _agp_allocate {
		94	int key; /* tag of allocation */
		95	size_t pg_count; /* number of pages */
		96	__u32 type; /* 0 == normal, other devspec */
		97	__u32 physical; /* device specific (some devices
		98	* need a phys address of the
		99	* actual page behind the gatt
		100	* table) */
		101	} agp_allocate;
		102
		103	typedef struct _agp_bind {
		104	int key; /* tag of allocation */
		105	off_t pg_start; /* starting page to populate */
		106	} agp_bind;
		107
		108	typedef struct _agp_unbind {
		109	int key; /* tag of allocation */
		110	__u32 priority; /* priority for paging out */
		111	} agp_unbind;
		112
		113	#else /* __KERNEL__ */
		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	off_t 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;
		200	long access_flags; /* long req'd for set_bit --RR */
		201	};
		202
		203	struct agp_front_data {
		204	struct semaphore agp_mutex;
		205	struct agp_controller *current_controller;
		206	struct agp_controller *controllers;
		207	struct agp_file_private *file_priv_list;
		208	u8 used_by_controller;
		209	u8 backend_acquired;
		210	};
		211
		212	#endif /* __KERNEL__ */
		213
		214	#endif /* _AGP_H */

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