[apple/xnu.git] / bsd / ufs / ffs / ffs_extern.h

/*
 * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
 * 
 * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code 
 * as defined in and that are subject to the Apple Public Source License 
 * Version 2.0 (the 'License'). You may not use this file except in 
 * compliance with the License.  The rights granted to you under the 
 * License may not be used to create, or enable the creation or 
 * redistribution of, unlawful or unlicensed copies of an Apple operating 
 * system, or to circumvent, violate, or enable the circumvention or 
 * violation of, any terms of an Apple operating system software license 
 * agreement.
 *
 * Please obtain a copy of the License at 
 * http://www.opensource.apple.com/apsl/ and read it before using this 
 * file.
 *
 * The Original Code and all software distributed under the License are 
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * Please see the License for the specific language governing rights and 
 * limitations under the License.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
 */
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */

/*-
 * Copyright (c) 1991, 1993, 1994
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)ffs_extern.h	8.6 (Berkeley) 3/30/95
 */
#ifndef __UFS_FFS_FFS_EXTERN_H__
#define __UFS_FFS_FFS_EXTERN_H__

#include <sys/appleapiopts.h>

#ifdef __APPLE_API_UNSTABLE
/*
 * Sysctl values for the fast filesystem.
 */
#define FFS_CLUSTERREAD		1	/* cluster reading enabled */
#define FFS_CLUSTERWRITE	2	/* cluster writing enabled */
#define FFS_REALLOCBLKS		3	/* block reallocation enabled */
#define FFS_ASYNCFREE		4	/* asynchronous block freeing enabled */
#define	FFS_MAXID		5	/* number of valid ffs ids */

#define FFS_NAMES { \
	{ 0, 0 }, \
	{ "doclusterread", CTLTYPE_INT }, \
	{ "doclusterwrite", CTLTYPE_INT }, \
	{ "doreallocblks", CTLTYPE_INT }, \
	{ "doasyncfree", CTLTYPE_INT }, \
}
#endif /* __APPLE_API_UNSTABLE */

struct buf;
struct fs;
struct inode;
struct mount;
struct nameidata;
struct proc;
struct vfsstatfs;
struct timeval;
struct ucred;
struct uio;
struct vnode;
struct mbuf;
struct vfsconf;

#ifdef __APPLE_API_PRIVATE
__BEGIN_DECLS
int	ffs_fsync_internal(vnode_t, int);

int	ffs_blkatoff(vnode_t, off_t, char **, buf_t *);

int	ffs_alloc(struct inode *,
	    ufs_daddr_t, ufs_daddr_t, int, struct ucred *, ufs_daddr_t *);
int	ffs_balloc(struct inode *,
	    ufs_daddr_t, int, struct ucred *, struct buf **, int, int *);
void	ffs_blkfree(struct inode *, ufs_daddr_t, long);
ufs_daddr_t ffs_blkpref(struct inode *, ufs_daddr_t, int, ufs_daddr_t *);
void	ffs_clrblock(struct fs *, u_char *, ufs_daddr_t);
int	ffs_fhtovp(struct mount *, int, unsigned char *, struct vnode **, vfs_context_t);
void	ffs_fragacct(struct fs *, int, int32_t [], int);
int	ffs_fsync(struct vnop_fsync_args *);
int	ffs_init(struct vfsconf *);
int	ffs_isblock(struct fs *, u_char *, ufs_daddr_t);
int	ffs_mount(struct mount *, vnode_t , user_addr_t, vfs_context_t);
int	ffs_mountfs(struct vnode *, struct mount *, vfs_context_t);
int	ffs_mountroot(mount_t, vnode_t, vfs_context_t);
int	ffs_read(struct vnop_read_args *);
int	ffs_realloccg(struct inode *,
	    ufs_daddr_t, ufs_daddr_t, int, int, struct ucred *, struct buf **);
int	ffs_reclaim(struct vnop_reclaim_args *);
void	ffs_setblock(struct fs *, u_char *, ufs_daddr_t);
int	ffs_vfs_getattr(struct mount *, struct vfs_attr *, vfs_context_t);
int	ffs_vfs_setattr(struct mount *, struct vfs_attr *, vfs_context_t);
int	ffs_sync(struct mount *, int, vfs_context_t);
int	ffs_sysctl(int *, u_int, user_addr_t, size_t *, user_addr_t, size_t, vfs_context_t);
int	ffs_unmount(struct mount *, int, vfs_context_t);
int	ffs_update(struct vnode *, struct timeval *, struct timeval *, int);
int	ffs_valloc(vnode_t dvp, mode_t mode, kauth_cred_t cred, vnode_t *vpp);
int	ffs_vfree(struct vnode *vp, ino_t ino, int mode);
int	ffs_vget(struct mount *, ino64_t, struct vnode **, vfs_context_t);
int	ffs_vptofh(struct vnode *, int *, unsigned char *, vfs_context_t);
int	ffs_write(struct vnop_write_args *);
int ffs_pagein(struct vnop_pagein_args *);
int ffs_pageout(struct vnop_pageout_args *);
int ffs_blktooff(struct vnop_blktooff_args *);
int ffs_offtoblk(struct vnop_offtoblk_args *);

__END_DECLS

extern int (**ffs_vnodeop_p)(void *);
extern int (**ffs_specop_p)(void *);
#if FIFO
extern int (**ffs_fifoop_p)(void *);
#define FFS_FIFOOPS ffs_fifoop_p
#else
#define FFS_FIFOOPS NULL
#endif

#endif /* __APPLE_API_PRIVATE */
#endif /* __UFS_FFS_FFS_EXTERN_H__ */
Commit	Line	Data
1c79356b	1	/*
8ad349bb	2	* Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
1c79356b	3	*
8ad349bb	4	* @APPLE_LICENSE_OSREFERENCE_HEADER_START@
1c79356b	5	*
8ad349bb A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the
	10	* License may not be used to create, or enable the creation or
	11	* redistribution of, unlawful or unlicensed copies of an Apple operating
	12	* system, or to circumvent, violate, or enable the circumvention or
	13	* violation of, any terms of an Apple operating system software license
	14	* agreement.
	15	*
	16	* Please obtain a copy of the License at
	17	* http://www.opensource.apple.com/apsl/ and read it before using this
	18	* file.
	19	*
	20	* The Original Code and all software distributed under the License are
	21	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	22	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	23	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	24	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	25	* Please see the License for the specific language governing rights and
	26	* limitations under the License.
	27	*
	28	* @APPLE_LICENSE_OSREFERENCE_HEADER_END@
1c79356b A	29	*/
	30	/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
	31
	32	/*-
	33	* Copyright (c) 1991, 1993, 1994
	34	* The Regents of the University of California. All rights reserved.
	35	*
	36	* Redistribution and use in source and binary forms, with or without
	37	* modification, are permitted provided that the following conditions
	38	* are met:
	39	* 1. Redistributions of source code must retain the above copyright
	40	* notice, this list of conditions and the following disclaimer.
	41	* 2. Redistributions in binary form must reproduce the above copyright
	42	* notice, this list of conditions and the following disclaimer in the
	43	* documentation and/or other materials provided with the distribution.
	44	* 3. All advertising materials mentioning features or use of this software
	45	* must display the following acknowledgement:
	46	* This product includes software developed by the University of
	47	* California, Berkeley and its contributors.
	48	* 4. Neither the name of the University nor the names of its contributors
	49	* may be used to endorse or promote products derived from this software
	50	* without specific prior written permission.
	51	*
	52	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	53	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	54	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	55	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	56	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	57	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	58	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	59	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	60	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	61	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	62	* SUCH DAMAGE.
	63	*
	64	* @(#)ffs_extern.h 8.6 (Berkeley) 3/30/95
	65	*/
9bccf70c A	66	#ifndef __UFS_FFS_FFS_EXTERN_H__
9bccf70c A	67	#define __UFS_FFS_FFS_EXTERN_H__
1c79356b	68
9bccf70c A	69	#include <sys/appleapiopts.h>
	70
	71	#ifdef __APPLE_API_UNSTABLE
1c79356b A	72	/*
	73	* Sysctl values for the fast filesystem.
	74	*/
	75	#define FFS_CLUSTERREAD 1 /* cluster reading enabled */
	76	#define FFS_CLUSTERWRITE 2 /* cluster writing enabled */
	77	#define FFS_REALLOCBLKS 3 /* block reallocation enabled */
	78	#define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */
	79	#define FFS_MAXID 5 /* number of valid ffs ids */
	80
	81	#define FFS_NAMES { \
	82	{ 0, 0 }, \
	83	{ "doclusterread", CTLTYPE_INT }, \
	84	{ "doclusterwrite", CTLTYPE_INT }, \
	85	{ "doreallocblks", CTLTYPE_INT }, \
	86	{ "doasyncfree", CTLTYPE_INT }, \
	87	}
9bccf70c	88	#endif /* __APPLE_API_UNSTABLE */
1c79356b A	89
1c79356b A	90	struct buf;
1c79356b A	91	struct fs;
	92	struct inode;
	93	struct mount;
	94	struct nameidata;
	95	struct proc;
91447636	96	struct vfsstatfs;
1c79356b A	97	struct timeval;
	98	struct ucred;
	99	struct uio;
	100	struct vnode;
	101	struct mbuf;
	102	struct vfsconf;
	103
9bccf70c	104	#ifdef __APPLE_API_PRIVATE
1c79356b	105	__BEGIN_DECLS
91447636 A	106	int ffs_fsync_internal(vnode_t, int);
	107
	108	int ffs_blkatoff(vnode_t, off_t, char *, buf_t );
	109
	110	int ffs_alloc(struct inode *,
	111	ufs_daddr_t, ufs_daddr_t, int, struct ucred , ufs_daddr_t );
	112	int ffs_balloc(struct inode *,
	113	ufs_daddr_t, int, struct ucred , struct buf , int, int );
	114	void ffs_blkfree(struct inode *, ufs_daddr_t, long);
	115	ufs_daddr_t ffs_blkpref(struct inode , ufs_daddr_t, int, ufs_daddr_t );
	116	void ffs_clrblock(struct fs , u_char , ufs_daddr_t);
	117	int ffs_fhtovp(struct mount , int, unsigned char , struct vnode **, vfs_context_t);
	118	void ffs_fragacct(struct fs *, int, int32_t [], int);
	119	int ffs_fsync(struct vnop_fsync_args *);
	120	int ffs_init(struct vfsconf *);
	121	int ffs_isblock(struct fs , u_char , ufs_daddr_t);
	122	int ffs_mount(struct mount *, vnode_t , user_addr_t, vfs_context_t);
	123	int ffs_mountfs(struct vnode , struct mount , vfs_context_t);
	124	int ffs_mountroot(mount_t, vnode_t, vfs_context_t);
	125	int ffs_read(struct vnop_read_args *);
	126	int ffs_realloccg(struct inode *,
	127	ufs_daddr_t, ufs_daddr_t, int, int, struct ucred , struct buf *);
	128	int ffs_reclaim(struct vnop_reclaim_args *);
	129	void ffs_setblock(struct fs , u_char , ufs_daddr_t);
	130	int ffs_vfs_getattr(struct mount , struct vfs_attr , vfs_context_t);
	131	int ffs_vfs_setattr(struct mount , struct vfs_attr , vfs_context_t);
	132	int ffs_sync(struct mount *, int, vfs_context_t);
	133	int ffs_sysctl(int , u_int, user_addr_t, size_t , user_addr_t, size_t, vfs_context_t);
	134	int ffs_unmount(struct mount *, int, vfs_context_t);
	135	int ffs_update(struct vnode , struct timeval , struct timeval *, int);
	136	int ffs_valloc(vnode_t dvp, mode_t mode, kauth_cred_t cred, vnode_t *vpp);
	137	int ffs_vfree(struct vnode *vp, ino_t ino, int mode);
	138	int ffs_vget(struct mount , ino64_t, struct vnode *, vfs_context_t);
	139	int ffs_vptofh(struct vnode , int , unsigned char *, vfs_context_t);
	140	int ffs_write(struct vnop_write_args *);
	141	int ffs_pagein(struct vnop_pagein_args *);
	142	int ffs_pageout(struct vnop_pageout_args *);
	143	int ffs_blktooff(struct vnop_blktooff_args *);
	144	int ffs_offtoblk(struct vnop_offtoblk_args *);
1c79356b	145
1c79356b A	146	__END_DECLS
	147
	148	extern int (*ffs_vnodeop_p)(void );
	149	extern int (*ffs_specop_p)(void );
	150	#if FIFO
	151	extern int (*ffs_fifoop_p)(void );
	152	#define FFS_FIFOOPS ffs_fifoop_p
	153	#else
	154	#define FFS_FIFOOPS NULL
	155	#endif
9bccf70c A	156
	157	#endif /* __APPLE_API_PRIVATE */
	158	#endif /* __UFS_FFS_FFS_EXTERN_H__ */