566d30be44
to have KFS or PFS differentiators. Further I have wrapped the enum in procfs in "#ifdef _KERNEL" as it is done in kernfs. To see the discussion go to http://mail-index.NetBSD.org/tech-kern/2003/09/ and look for "Mismatched enums in include files" in the list.
124 lines
4.2 KiB
C
124 lines
4.2 KiB
C
/* $NetBSD: kernfs.h,v 1.20 2003/09/27 13:29:02 darcy Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1992, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software donated to Berkeley by
|
|
* Jan-Simon Pendry.
|
|
*
|
|
* 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. 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.
|
|
*
|
|
* @(#)kernfs.h 8.6 (Berkeley) 3/29/95
|
|
*/
|
|
|
|
#define _PATH_KERNFS "/kern" /* Default mountpoint */
|
|
|
|
#ifdef _KERNEL
|
|
#include <sys/queue.h>
|
|
|
|
/*
|
|
* The different types of node in a kernfs filesystem
|
|
*/
|
|
typedef enum {
|
|
KFSkern, /* the filesystem itself (.) */
|
|
KFSroot, /* the filesystem root (..) */
|
|
KFSnull, /* none aplicable */
|
|
KFStime, /* boottime */
|
|
KFSint, /* integer */
|
|
KFSstring, /* string */
|
|
KFShostname, /* hostname */
|
|
KFSavenrun, /* loadavg */
|
|
KFSdevice, /* device file (rootdev/rrootdev) */
|
|
KFSmsgbuf, /* msgbuf */
|
|
KFSipsecsadir, /* ipsec security association (top dir) */
|
|
KFSipsecspdir, /* ipsec security policy (top dir) */
|
|
KFSipsecsa, /* ipsec security association entry */
|
|
KFSipsecsp, /* ipsec security policy entry */
|
|
} kfstype;
|
|
|
|
/*
|
|
* control data for the kern file system.
|
|
*/
|
|
struct kern_target {
|
|
u_char kt_type;
|
|
u_char kt_namlen;
|
|
const char *kt_name;
|
|
void *kt_data;
|
|
kfstype kt_tag;
|
|
u_char kt_vtype;
|
|
mode_t kt_mode;
|
|
};
|
|
|
|
struct kernfs_node {
|
|
LIST_ENTRY(kernfs_node) kfs_hash; /* hash chain */
|
|
TAILQ_ENTRY(kernfs_node) kfs_list; /* flat list */
|
|
struct vnode *kfs_vnode; /* vnode associated with this pfsnode */
|
|
kfstype kfs_type; /* type of procfs node */
|
|
mode_t kfs_mode; /* mode bits for stat() */
|
|
long kfs_fileno; /* unique file id */
|
|
u_int32_t kfs_value; /* SA id or SP id (KFSint) */
|
|
const struct kern_target *kfs_kt;
|
|
void *kfs_v; /* pointer to secasvar/secpolicy/mbuf */
|
|
long kfs_cookie; /* fileno cookie */
|
|
};
|
|
|
|
struct kernfs_mount {
|
|
TAILQ_HEAD(, kernfs_node) nodelist;
|
|
long fileno_cookie;
|
|
};
|
|
|
|
#define UIO_MX 32
|
|
|
|
#define KERNFS_FILENO(kt, typ, cookie) \
|
|
((kt) ? 2 + ((kt) - &kern_targets[0]) \
|
|
: (((cookie) << 6) | ((typ) + nkern_targets)))
|
|
|
|
#define VFSTOKERNFS(mp) ((struct kernfs_mount *)((mp)->mnt_data))
|
|
#define VTOKERN(vp) ((struct kernfs_node *)(vp)->v_data)
|
|
#define KERNFSTOV(kfs) ((kfs)->kfs_vnode)
|
|
|
|
extern const struct kern_target kern_targets[];
|
|
extern int nkern_targets;
|
|
extern int (**kernfs_vnodeop_p) __P((void *));
|
|
extern struct vfsops kernfs_vfsops;
|
|
extern dev_t rrootdev;
|
|
|
|
struct secasvar;
|
|
struct secpolicy;
|
|
|
|
int kernfs_root __P((struct mount *, struct vnode **));
|
|
|
|
void kernfs_hashinit __P((void));
|
|
void kernfs_hashreinit __P((void));
|
|
void kernfs_hashdone __P((void));
|
|
int kernfs_freevp __P((struct vnode *));
|
|
int kernfs_allocvp __P((struct mount *, struct vnode **, kfstype,
|
|
const struct kern_target *, u_int32_t));
|
|
|
|
void kernfs_revoke_sa __P((struct secasvar *));
|
|
void kernfs_revoke_sp __P((struct secpolicy *));
|
|
#endif /* _KERNEL */
|