200 lines
6.0 KiB
C
200 lines
6.0 KiB
C
/* $NetBSD: hfs.h,v 1.6 2007/08/08 09:21:34 pooka Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2005, 2007 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Yevgeny Binder and Dieter Baron.
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
|
|
*/
|
|
|
|
#ifndef _FS_HFS_HFS_H_
|
|
#define _FS_HFS_HFS_H_
|
|
|
|
#include <sys/vnode.h>
|
|
#include <sys/mount.h>
|
|
|
|
#include <miscfs/genfs/genfs_node.h>
|
|
|
|
/* XXX remove before release */
|
|
/*#define HFS_DEBUG*/
|
|
|
|
#ifdef HFS_DEBUG
|
|
#if defined(_KERNEL) && !defined(_LKM)
|
|
#include "opt_ddb.h"
|
|
#endif /* defined(_KERNEL_) && !defined(_LKM) */
|
|
#endif /* HFS_DEBUG */
|
|
|
|
#include <fs/hfs/libhfs.h>
|
|
|
|
/* XXX: make these mount options */
|
|
#define HFS_DEFAULT_UID 0
|
|
#define HFS_DEFAULT_GID 0
|
|
#define HFS_DEFAULT_DIR_MODE 0755
|
|
#define HFS_DEFAULT_FILE_MODE 0755
|
|
|
|
struct hfs_args {
|
|
char *fspec; /* block special device to mount */
|
|
};
|
|
|
|
struct hfsmount {
|
|
struct mount *hm_mountp; /* filesystem vfs structure */
|
|
dev_t hm_dev; /* device mounted */
|
|
struct vnode *hm_devvp; /* block device mounted vnode */
|
|
hfs_volume hm_vol; /* essential volume information */
|
|
};
|
|
|
|
struct hfsnode {
|
|
struct genfs_node h_gnode;
|
|
LIST_ENTRY(hfsnode) h_hash;/* hash chain */
|
|
struct vnode *h_vnode; /* vnode associated with this hnode */
|
|
struct hfsmount *h_hmp; /* mount point associated with this hnode */
|
|
struct vnode *h_devvp; /* vnode for block I/O */
|
|
dev_t h_dev; /* device associated with this hnode */
|
|
|
|
union {
|
|
hfs_file_record_t file;
|
|
hfs_folder_record_t folder;
|
|
struct {
|
|
int16_t rec_type;
|
|
uint16_t flags;
|
|
uint32_t valence;
|
|
hfs_cnid_t cnid;
|
|
}; /* convenience for accessing common record info */
|
|
} h_rec; /* catalog record for this hnode */
|
|
|
|
/*
|
|
* We cache this vnode's parent CNID here upon vnode creation (i.e., during
|
|
* hfs_vop_vget()) for quick access without needing to search the catalog.
|
|
* Note, however, that this value must also be updated whenever this file
|
|
* is moved.
|
|
*/
|
|
hfs_cnid_t h_parent;
|
|
|
|
uint8_t h_fork;
|
|
|
|
long dummy; /* FOR DEVELOPMENT ONLY */
|
|
};
|
|
|
|
typedef struct {
|
|
struct vnode* devvp; /* vnode for device I/O */
|
|
size_t devblksz; /* device block size (NOT HFS+ allocation block size)*/
|
|
} hfs_libcb_data; /* custom data used in hfs_volume.cbdata */
|
|
|
|
typedef struct {
|
|
kauth_cred_t cred;
|
|
struct lwp *l;
|
|
struct vnode *devvp;
|
|
} hfs_libcb_argsopen;
|
|
|
|
typedef struct {
|
|
struct lwp *l;
|
|
} hfs_libcb_argsclose;
|
|
|
|
typedef struct {
|
|
kauth_cred_t cred;
|
|
struct lwp *l;
|
|
} hfs_libcb_argsread;
|
|
|
|
#ifdef _KERNEL
|
|
|
|
MALLOC_DECLARE(M_HFSMNT); /* defined in hfs_vfsops.c */
|
|
|
|
/*
|
|
* Convenience macros
|
|
*/
|
|
|
|
/* Convert mount ptr to hfsmount ptr. */
|
|
#define VFSTOHFS(mp) ((struct hfsmount *)((mp)->mnt_data))
|
|
|
|
/* Convert between vnode ptrs and hfsnode ptrs. */
|
|
#define VTOH(vp) ((struct hfsnode *)(vp)->v_data)
|
|
#define HTOV(hp) ((hp)->h_vnode)
|
|
|
|
/* Get volume's allocation block size given a vnode ptr */
|
|
#define HFS_BLOCKSIZE(vp) (VTOH(vp)->h_hmp->hm_vol.vh.block_size)
|
|
|
|
|
|
/* Convert special device major/minor */
|
|
#define HFS_CONVERT_RDEV(x) makedev((x)>>24, (x)&0xffffff)
|
|
|
|
/*
|
|
* Global variables
|
|
*/
|
|
|
|
extern const struct vnodeopv_desc hfs_vnodeop_opv_desc;
|
|
extern const struct vnodeopv_desc hfs_specop_opv_desc;
|
|
extern const struct vnodeopv_desc hfs_fifoop_opv_desc;
|
|
extern int (**hfs_specop_p) (void *);
|
|
extern int (**hfs_fifoop_p) (void *);
|
|
|
|
|
|
/*
|
|
* Function prototypes
|
|
*/
|
|
|
|
/* hfs_nhash.c */
|
|
void hfs_nhashinit (void);
|
|
void hfs_nhashdone (void);
|
|
struct vnode *hfs_nhashget (dev_t, hfs_cnid_t, uint8_t, int);
|
|
void hfs_nhashinsert (struct hfsnode *);
|
|
void hfs_nhashremove (struct hfsnode *);
|
|
|
|
/* hfs_subr.c */
|
|
void hfs_vinit (struct mount *, int (**)(void *), int (**)(void *),
|
|
struct vnode **);
|
|
int hfs_pread(struct vnode*, void*, size_t, uint64_t, uint64_t, kauth_cred_t);
|
|
char* hfs_unicode_to_ascii(const unichar_t*, uint8_t, char*);
|
|
unichar_t* hfs_ascii_to_unicode(const char*, uint8_t, unichar_t*);
|
|
|
|
void hfs_time_to_timespec(uint32_t, struct timespec *);
|
|
enum vtype hfs_catalog_keyed_record_vtype(const hfs_catalog_keyed_record_t *);
|
|
|
|
void hfs_libcb_error(const char*, const char*, int, va_list);
|
|
void* hfs_libcb_malloc(size_t, hfs_callback_args*);
|
|
void* hfs_libcb_realloc(void*, size_t, hfs_callback_args*);
|
|
void hfs_libcb_free(void*, hfs_callback_args*);
|
|
int hfs_libcb_opendev(hfs_volume*, const char*, hfs_callback_args*);
|
|
void hfs_libcb_closedev(hfs_volume*, hfs_callback_args*);
|
|
int hfs_libcb_read(hfs_volume*, void*, uint64_t, uint64_t,
|
|
hfs_callback_args*);
|
|
|
|
uint16_t be16tohp(void**);
|
|
uint32_t be32tohp(void**);
|
|
uint64_t be64tohp(void**);
|
|
|
|
|
|
/* hfs_vfsops.c */
|
|
VFS_PROTOS(hfs);
|
|
|
|
int hfs_mountfs (struct vnode *, struct mount *, struct lwp *, const char *);
|
|
int hfs_vget_internal(struct mount *, ino_t, uint8_t, struct vnode **);
|
|
|
|
/* hfs_vnops.c */
|
|
extern int (**hfs_vnodeop_p) (void *);
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* !_FS_HFS_HFS_H_ */
|