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| -rw-r--r-- | c/src/lib/libnetworking/sys/mount.h | 531 |
1 files changed, 0 insertions, 531 deletions
diff --git a/c/src/lib/libnetworking/sys/mount.h b/c/src/lib/libnetworking/sys/mount.h deleted file mode 100644 index a6254e302d..0000000000 --- a/c/src/lib/libnetworking/sys/mount.h +++ /dev/null @@ -1,531 +0,0 @@ -/* - * Copyright (c) 1989, 1991, 1993 - * 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. - * - * @(#)mount.h 8.13 (Berkeley) 3/27/94 - * $Id$ - */ - -#ifndef _SYS_MOUNT_H_ -#define _SYS_MOUNT_H_ - -#ifndef KERNEL -#include <sys/ucred.h> -#endif -#include <sys/queue.h> - -typedef struct fsid { long val[2]; } fsid_t; /* file system id type */ - -/* - * File identifier. - * These are unique per filesystem on a single machine. - */ -#define MAXFIDSZ 16 - -struct fid { - u_short fid_len; /* length of data in bytes */ - u_short fid_reserved; /* force longword alignment */ - char fid_data[MAXFIDSZ]; /* data (variable length) */ -}; - -/* - * file system statistics - */ - -#define MNAMELEN 90 /* length of buffer for returned name */ - -struct statfs { - long f_spare2; /* placeholder */ - long f_bsize; /* fundamental file system block size */ - long f_iosize; /* optimal transfer block size */ - long f_blocks; /* total data blocks in file system */ - long f_bfree; /* free blocks in fs */ - long f_bavail; /* free blocks avail to non-superuser */ - long f_files; /* total file nodes in file system */ - long f_ffree; /* free file nodes in fs */ - fsid_t f_fsid; /* file system id */ - uid_t f_owner; /* user that mounted the filesystem */ - int f_type; /* type of filesystem (see below) */ - int f_flags; /* copy of mount flags */ - long f_spare[6]; /* spare for later */ - char f_mntonname[MNAMELEN]; /* directory on which mounted */ - char f_mntfromname[MNAMELEN];/* mounted filesystem */ -}; - -/* - * File system types. - */ -#define MOUNT_NONE 0 -#define MOUNT_UFS 1 /* Fast Filesystem */ -#define MOUNT_NFS 2 /* Sun-compatible Network Filesystem */ -#define MOUNT_MFS 3 /* Memory-based Filesystem */ -#define MOUNT_MSDOS 4 /* MS/DOS Filesystem */ -#define MOUNT_LFS 5 /* Log-based Filesystem */ -#define MOUNT_LOFS 6 /* Loopback Filesystem */ -#define MOUNT_FDESC 7 /* File Descriptor Filesystem */ -#define MOUNT_PORTAL 8 /* Portal Filesystem */ -#define MOUNT_NULL 9 /* Minimal Filesystem Layer */ -#define MOUNT_UMAP 10 /* User/Group Identifier Remapping Filesystem */ -#define MOUNT_KERNFS 11 /* Kernel Information Filesystem */ -#define MOUNT_PROCFS 12 /* /proc Filesystem */ -#define MOUNT_AFS 13 /* Andrew Filesystem */ -#define MOUNT_CD9660 14 /* ISO9660 (aka CDROM) Filesystem */ -#define MOUNT_UNION 15 /* Union (translucent) Filesystem */ -#define MOUNT_DEVFS 16 /* existing device Filesystem */ -#define MOUNT_EXT2FS 17 /* Linux EXT2FS */ -#define MOUNT_TFS 18 /* Netcon Novell filesystem */ -#define MOUNT_CFS 19 /* Coda filesystem */ -#define MOUNT_MAXTYPE 19 - -#define INITMOUNTNAMES { \ - "none", /* 0 MOUNT_NONE */ \ - "ufs", /* 1 MOUNT_UFS */ \ - "nfs", /* 2 MOUNT_NFS */ \ - "mfs", /* 3 MOUNT_MFS */ \ - "msdos", /* 4 MOUNT_MSDOS */ \ - "lfs", /* 5 MOUNT_LFS */ \ - "lofs", /* 6 MOUNT_LOFS */ \ - "fdesc", /* 7 MOUNT_FDESC */ \ - "portal", /* 8 MOUNT_PORTAL */ \ - "null", /* 9 MOUNT_NULL */ \ - "umap", /* 10 MOUNT_UMAP */ \ - "kernfs", /* 11 MOUNT_KERNFS */ \ - "procfs", /* 12 MOUNT_PROCFS */ \ - "afs", /* 13 MOUNT_AFS */ \ - "cd9660", /* 14 MOUNT_CD9660 */ \ - "union", /* 15 MOUNT_UNION */ \ - "devfs", /* 16 MOUNT_DEVFS */ \ - "ext2fs", /* 17 MOUNT_EXT2FS */ \ - "tfs", /* 18 MOUNT_TFS */ \ - "cfs", /* 19 MOUNT_CFS */ \ - 0, /* 20 MOUNT_SPARE */ \ -} - -/* - * Structure per mounted file system. Each mounted file system has an - * array of operations and an instance record. The file systems are - * put on a doubly linked list. - */ -LIST_HEAD(vnodelst, vnode); - -struct mount { - CIRCLEQ_ENTRY(mount) mnt_list; /* mount list */ - struct vfsops *mnt_op; /* operations on fs */ - struct vfsconf *mnt_vfc; /* configuration info */ - struct vnode *mnt_vnodecovered; /* vnode we mounted on */ - struct vnodelst mnt_vnodelist; /* list of vnodes this mount */ - int mnt_flag; /* flags */ - int mnt_maxsymlinklen; /* max size of short symlink */ - struct statfs mnt_stat; /* cache of filesystem stats */ - qaddr_t mnt_data; /* private data */ -/* struct vfsconf *mnt_vfc; */ /* configuration info */ - time_t mnt_time; /* last time written*/ -}; - -/* - * Mount flags. - * - * Unmount uses MNT_FORCE flag. - */ -#define MNT_RDONLY 0x00000001 /* read only filesystem */ -#define MNT_SYNCHRONOUS 0x00000002 /* file system written synchronously */ -#define MNT_NOEXEC 0x00000004 /* can't exec from filesystem */ -#define MNT_NOSUID 0x00000008 /* don't honor setuid bits on fs */ -#define MNT_NODEV 0x00000010 /* don't interpret special files */ -#define MNT_UNION 0x00000020 /* union with underlying filesystem */ -#define MNT_ASYNC 0x00000040 /* file system written asynchronously */ -#define MNT_NOATIME 0x10000000 /* Disable update of file access times */ - -/* - * exported mount flags. - */ -#define MNT_EXRDONLY 0x00000080 /* exported read only */ -#define MNT_EXPORTED 0x00000100 /* file system is exported */ -#define MNT_DEFEXPORTED 0x00000200 /* exported to the world */ -#define MNT_EXPORTANON 0x00000400 /* use anon uid mapping for everyone */ -#define MNT_EXKERB 0x00000800 /* exported with Kerberos uid mapping */ - -/* - * Flags set by internal operations. - */ -#define MNT_LOCAL 0x00001000 /* filesystem is stored locally */ -#define MNT_QUOTA 0x00002000 /* quotas are enabled on filesystem */ -#define MNT_ROOTFS 0x00004000 /* identifies the root filesystem */ -#define MNT_USER 0x00008000 /* mounted by a user */ - -/* - * Mask of flags that are visible to statfs() - */ -#define MNT_VISFLAGMASK (MNT_RDONLY|MNT_SYNCHRONOUS|MNT_NOEXEC|MNT_NOSUID| \ - MNT_NODEV|MNT_UNION|MNT_ASYNC|MNT_EXRDONLY|MNT_EXPORTED| \ - MNT_DEFEXPORTED|MNT_EXPORTANON|MNT_EXKERB|MNT_LOCAL| \ - MNT_QUOTA|MNT_ROOTFS|MNT_USER|MNT_NOATIME) - -/* - * filesystem control flags. - * - * MNT_MLOCK lock the mount entry so that name lookup cannot proceed - * past the mount point. This keeps the subtree stable during mounts - * and unmounts. - */ -#define MNT_UPDATE 0x00010000 /* not a real mount, just an update */ -#define MNT_DELEXPORT 0x00020000 /* delete export host lists */ -#define MNT_RELOAD 0x00040000 /* reload filesystem data */ -#define MNT_FORCE 0x00080000 /* force unmount or readonly change */ -#define MNT_MLOCK 0x00100000 /* lock so that subtree is stable */ -#define MNT_MWAIT 0x00200000 /* someone is waiting for lock */ -#define MNT_MPBUSY 0x00400000 /* scan of mount point in progress */ -#define MNT_MPWANT 0x00800000 /* waiting for mount point */ -#define MNT_UNMOUNT 0x01000000 /* unmount in progress */ -#define MNT_WANTRDWR 0x02000000 /* want upgrade to read/write */ - -/* - * used to get configured filesystems information - */ -#define VFS_MAXNAMELEN 32 -struct vfsconf { - void *vfc_vfsops; - char vfc_name[VFS_MAXNAMELEN]; - int vfc_index; - int vfc_refcount; - int vfc_flags; -}; - -/* - * NB: these flags refer to IMPLEMENTATION properties, not properties of - * any actual mounts; i.e., it does not make sense to change the flags. - */ -#define VFCF_STATIC 0x00000001 /* statically compiled into kernel */ -#define VFCF_NETWORK 0x00000002 /* may get data over the network */ -#define VFCF_READONLY 0x00000004 /* writes are not implemented */ -#define VFCF_SYNTHETIC 0x00000008 /* data does not represent real files */ -#define VFCF_LOOPBACK 0x00000010 /* aliases some other mounted FS */ -#define VFCF_UNICODE 0x00000020 /* stores file names as Unicode*/ - -/* - * Operations supported on mounted file system. - */ -#ifdef KERNEL - -extern int doforce; /* Flag to permit forcible unmounting. */ -extern struct vfsconf void_vfsconf; -extern struct vfsconf *vfsconf[]; - -#ifdef __STDC__ -struct nameidata; -struct mbuf; -#endif - -struct vfsops { - int (*vfs_mount) __P((struct mount *mp, char *path, caddr_t data, - struct nameidata *ndp, struct proc *p)); - int (*vfs_start) __P((struct mount *mp, int flags, - struct proc *p)); - int (*vfs_unmount) __P((struct mount *mp, int mntflags, - struct proc *p)); - int (*vfs_root) __P((struct mount *mp, struct vnode **vpp)); - int (*vfs_quotactl) __P((struct mount *mp, int cmds, uid_t uid, - caddr_t arg, struct proc *p)); - int (*vfs_statfs) __P((struct mount *mp, struct statfs *sbp, - struct proc *p)); - int (*vfs_sync) __P((struct mount *mp, int waitfor, - struct ucred *cred, struct proc *p)); - int (*vfs_vget) __P((struct mount *mp, ino_t ino, - struct vnode **vpp)); - int (*vfs_fhtovp) __P((struct mount *mp, struct fid *fhp, - struct mbuf *nam, struct vnode **vpp, - int *exflagsp, struct ucred **credanonp)); - int (*vfs_vptofh) __P((struct vnode *vp, struct fid *fhp)); - int (*vfs_init) __P((void)); -}; - -#define VFS_MOUNT(MP, PATH, DATA, NDP, P) \ - (*(MP)->mnt_op->vfs_mount)(MP, PATH, DATA, NDP, P) -#define VFS_START(MP, FLAGS, P) (*(MP)->mnt_op->vfs_start)(MP, FLAGS, P) -#define VFS_UNMOUNT(MP, FORCE, P) (*(MP)->mnt_op->vfs_unmount)(MP, FORCE, P) -#define VFS_ROOT(MP, VPP) (*(MP)->mnt_op->vfs_root)(MP, VPP) -#define VFS_QUOTACTL(MP,C,U,A,P) (*(MP)->mnt_op->vfs_quotactl)(MP, C, U, A, P) -#define VFS_STATFS(MP, SBP, P) (*(MP)->mnt_op->vfs_statfs)(MP, SBP, P) -#define VFS_SYNC(MP, WAIT, C, P) (*(MP)->mnt_op->vfs_sync)(MP, WAIT, C, P) -#define VFS_VGET(MP, INO, VPP) (*(MP)->mnt_op->vfs_vget)(MP, INO, VPP) -#define VFS_FHTOVP(MP, FIDP, NAM, VPP, EXFLG, CRED) \ - (*(MP)->mnt_op->vfs_fhtovp)(MP, FIDP, NAM, VPP, EXFLG, CRED) -#define VFS_VPTOFH(VP, FIDP) (*(VP)->v_mount->mnt_op->vfs_vptofh)(VP, FIDP) - -#ifdef VFS_LKM -#include <sys/conf.h> -#include <sys/exec.h> -#include <sys/sysent.h> -#include <sys/lkm.h> - -#define VFS_SET(vfsops, fsname, index, flags) \ - static struct vfsconf _fs_vfsconf = { \ - &vfsops, \ - #fsname, \ - index, \ - 0, \ - flags \ - }; \ - extern struct linker_set MODVNOPS; \ - MOD_VFS(#fsname,index,&MODVNOPS,&_fs_vfsconf); \ - int \ - fsname ## _mod(struct lkm_table *lkmtp, int cmd, int ver) { \ - DISPATCH(lkmtp, cmd, ver, lkm_nullcmd, lkm_nullcmd, lkm_nullcmd); } -#else - -#define VFS_SET(vfsops, fsname, index, flags) \ - static struct vfsconf _fs_vfsconf = { \ - &vfsops, \ - #fsname, \ - index, \ - 0, \ - flags | VFCF_STATIC \ - }; \ - DATA_SET(vfs_set,_fs_vfsconf) -#endif /* VFS_LKM */ - -#endif /* KERNEL */ - -/* - * Flags for various system call interfaces. - * - * waitfor flags to vfs_sync() and getfsstat() - */ -#define MNT_WAIT 1 -#define MNT_NOWAIT 2 - -/* - * Generic file handle - */ -struct fhandle { - fsid_t fh_fsid; /* File system id of mount point */ - struct fid fh_fid; /* File sys specific id */ -}; -typedef struct fhandle fhandle_t; - -#ifdef KERNEL -#include <net/radix.h> -#include <sys/socket.h> /* XXX for AF_MAX */ - -/* - * Network address lookup element - */ -struct netcred { - struct radix_node netc_rnodes[2]; - int netc_exflags; - struct ucred netc_anon; -}; - -/* - * Network export information - */ -struct netexport { - struct netcred ne_defexported; /* Default export */ - struct radix_node_head *ne_rtable[AF_MAX+1]; /* Individual exports */ -}; -#endif /* KERNEL */ - -/* - * Export arguments for local filesystem mount calls. - */ -struct export_args { - int ex_flags; /* export related flags */ - uid_t ex_root; /* mapping for root uid */ - struct ucred ex_anon; /* mapping for anonymous user */ - struct sockaddr *ex_addr; /* net address to which exported */ - int ex_addrlen; /* and the net address length */ - struct sockaddr *ex_mask; /* mask of valid bits in saddr */ - int ex_masklen; /* and the smask length */ -}; - -/* - * Arguments to mount UFS-based filesystems - */ -struct ufs_args { - char *fspec; /* block special device to mount */ - struct export_args export; /* network export information */ -}; - -#ifdef MFS -/* - * Arguments to mount MFS - */ -struct mfs_args { - char *fspec; /* name to export for statfs */ - struct export_args export; /* if exported MFSes are supported */ - caddr_t base; /* base of file system in memory */ - u_long size; /* size of file system */ -}; -#endif /* MFS */ - -#ifdef MSDOSFS -/* - * Arguments to mount MSDOS filesystems. - */ -struct msdosfs_args { - char *fspec; /* blocks special holding the fs to mount */ - struct export_args export; /* network export information */ - uid_t uid; /* uid that owns msdosfs files */ - gid_t gid; /* gid that owns msdosfs files */ - mode_t mask; /* mask to be applied for msdosfs perms */ -}; -#endif - -#ifdef CD9660 -/* - * Arguments to mount ISO 9660 filesystems. - */ -struct iso_args { - char *fspec; /* block special device to mount */ - struct export_args export; /* network export info */ - int flags; /* mounting flags, see below */ - int ssector; /* starting sector */ - -}; -#define ISOFSMNT_NORRIP 0x00000001 /* disable Rock Ridge Ext.*/ -#define ISOFSMNT_GENS 0x00000002 /* enable generation numbers */ -#define ISOFSMNT_EXTATT 0x00000004 /* enable extended attributes */ -#endif /* CD9660 */ - -#ifdef NFS -/* - * Arguments to mount NFS - */ -struct nfs_args { - struct sockaddr *addr; /* file server address */ - int addrlen; /* length of address */ - int sotype; /* Socket type */ - int proto; /* and Protocol */ - u_char *fh; /* File handle to be mounted */ - int fhsize; /* Size, in bytes, of fh */ - int flags; /* flags */ - int wsize; /* write size in bytes */ - int rsize; /* read size in bytes */ - int readdirsize; /* readdir size in bytes */ - int timeo; /* initial timeout in .1 secs */ - int retrans; /* times to retry send */ - int maxgrouplist; /* Max. size of group list */ - int readahead; /* # of blocks to readahead */ - int leaseterm; /* Term (sec) of lease */ - int deadthresh; /* Retrans threshold */ - char *hostname; /* server's name */ -}; - -/* - * NFS mount option flags - */ -#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ -#define NFSMNT_WSIZE 0x00000002 /* set write size */ -#define NFSMNT_RSIZE 0x00000004 /* set read size */ -#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ -#define NFSMNT_RETRANS 0x00000010 /* set number of request retrys */ -#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ -#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ -#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ -#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */ -#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ -#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ -#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ -#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */ -#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ -#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ -#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ -#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ -#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ -#define NFSMNT_INTERNAL 0xfffc0000 /* Bits set internally */ -#define NFSMNT_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ -#define NFSMNT_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ -#define NFSMNT_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ -#define NFSMNT_MNTD 0x00200000 /* Mnt server for mnt point */ -#define NFSMNT_DISMINPROG 0x00400000 /* Dismount in progress */ -#define NFSMNT_DISMNT 0x00800000 /* Dismounted */ -#define NFSMNT_SNDLOCK 0x01000000 /* Send socket lock */ -#define NFSMNT_WANTSND 0x02000000 /* Want above */ -#define NFSMNT_RCVLOCK 0x04000000 /* Rcv socket lock */ -#define NFSMNT_WANTRCV 0x08000000 /* Want above */ -#define NFSMNT_WAITAUTH 0x10000000 /* Wait for authentication */ -#define NFSMNT_HASAUTH 0x20000000 /* Has authenticator */ -#define NFSMNT_WANTAUTH 0x40000000 /* Wants an authenticator */ -#define NFSMNT_AUTHERR 0x80000000 /* Authentication error */ -#endif /* NFS */ - -#ifdef KERNEL -extern int (*mountroot) __P((void *)); -extern struct vfsops *mountrootvfsops; - -/* - * exported vnode operations - */ -int dounmount __P((struct mount *, int, struct proc *)); -struct mount *getvfs __P((fsid_t *)); /* return vfs given fsid */ -void getnewfsid __P((struct mount *, int)); -int vflush __P((struct mount *, struct vnode *, int)); -int vfs_export /* process mount export info */ - __P((struct mount *, struct netexport *, struct export_args *)); -struct netcred *vfs_export_lookup /* lookup host in fs export list */ - __P((struct mount *, struct netexport *, struct mbuf *)); -int vfs_lock __P((struct mount *)); /* lock a vfs */ -int vfs_mountedon __P((struct vnode *)); /* is a vfs mounted on vp */ -int vfs_mountroot __P((void *)); /* XXX goes away? */ -void vfs_msync __P((struct mount *, int)); -void vfs_unlock __P((struct mount *)); /* unlock a vfs */ -void vfs_unmountall __P((void)); -int vfs_busy __P((struct mount *)); /* mark a vfs busy */ -void vfs_unbusy __P((struct mount *)); /* mark a vfs not busy */ -extern CIRCLEQ_HEAD(mntlist, mount) mountlist; /* mounted filesystem list */ -extern struct vfsops *vfssw[]; /* filesystem type table */ - -#else /* KERNEL */ - -#include <sys/cdefs.h> - -__BEGIN_DECLS -int fstatfs __P((int, struct statfs *)); -int getfh __P((const char *, fhandle_t *)); -int getfsstat __P((struct statfs *, long, int)); -int getmntinfo __P((struct statfs **, int)); -int mount __P((int, const char *, int, void *)); -int statfs __P((const char *, struct statfs *)); -int unmount __P((const char *, int)); - -/* C library stuff */ -struct vfsconf *getvfsbyname __P((const char *)); -struct vfsconf *getvfsbytype __P((int)); -struct vfsconf *getvfsent __P((void)); -void setvfsent __P((int)); -void endvfsent __P((void)); -int vfsisloadable __P((const char *)); -int vfsload __P((const char *)); -__END_DECLS - -#endif /* KERNEL */ - -#endif /* !_SYS_MOUNT_H_ */ |