BSD 4_4 release

[unix-history] / usr / src / sys / sys / mount.h

diff --git a/usr/src/sys/sys/mount.h b/usr/src/sys/sys/mount.h
index b39086a..bb8c32a 100644 (file)
--- a/usr/src/sys/sys/mount.h
+++ b/usr/src/sys/sys/mount.h
@@ -1,13 +1,43 @@
 /*
 /*

- * Copyright (c) 1989, 1991 The Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1989, 1991, 1993
+ *     The Regents of the University of California.  All rights reserved.

  *
  *

- * %sccs.include.redist.c%
+ * 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.

  *
  *

- *     @(#)mount.h     7.27 (Berkeley) %G%
+ * 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     8.1 (Berkeley) 6/2/93

  */
 
  */
 

-typedef quad fsid_t;                   /* file system id type */
+#ifndef KERNEL
+#include <sys/ucred.h>
+#endif
+
+typedef struct { long val[2]; } fsid_t;                /* file system id type */

 
 /*
  * File identifier.
 
 /*
  * File identifier.


@@ -52,7 +82,29 @@ struct statfs {
 #define        MOUNT_MFS       3
 #define        MOUNT_PC        4
 #define        MOUNT_LFS       5
 #define        MOUNT_MFS       3
 #define        MOUNT_PC        4
 #define        MOUNT_LFS       5

-#define        MOUNT_MAXTYPE   5
+#define        MOUNT_LOFS      6
+#define        MOUNT_FDESC     7
+#define        MOUNT_PORTAL    8
+#define MOUNT_NULL     9
+#define MOUNT_UMAP     10
+#define MOUNT_KERNFS   11
+#define        MOUNT_MAXTYPE   11
+
+#define INITMOUNTNAMES { \
+       "none",         /*  0 MOUNT_NONE */ \
+       "ufs",          /*  1 MOUNT_UFS */ \
+       "nfs",          /*  2 MOUNT_NFS */ \
+       "mfs",          /*  3 MOUNT_MFS */ \
+       "pc",           /*  4 MOUNT_PC */ \
+       "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 */ \
+       0,              /* 12 MOUNT_SPARE */ \
+}

 
 /*
  * Structure per mounted file system.  Each mounted file system has an
 
 /*
  * Structure per mounted file system.  Each mounted file system has an


@@ -66,19 +118,22 @@ struct mount {
        struct vnode    *mnt_vnodecovered;      /* vnode we mounted on */
        struct vnode    *mnt_mounth;            /* list of vnodes this mount */
        int             mnt_flag;               /* flags */
        struct vnode    *mnt_vnodecovered;      /* vnode we mounted on */
        struct vnode    *mnt_mounth;            /* list of vnodes this mount */
        int             mnt_flag;               /* flags */

-       uid_t           mnt_exroot;             /* XXX - deprecated */
+       int             mnt_maxsymlinklen;      /* max size of short symlink */

        struct statfs   mnt_stat;               /* cache of filesystem stats */
        qaddr_t         mnt_data;               /* private data */
 };
 
 /*
  * Mount flags.
        struct statfs   mnt_stat;               /* cache of filesystem stats */
        qaddr_t         mnt_data;               /* private data */
 };
 
 /*
  * 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_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 */

 
 /*
  * exported mount flags.
 
 /*
  * exported mount flags.


@@ -109,11 +164,14 @@ struct mount {
  */
 #define        MNT_UPDATE      0x00010000      /* not a real mount, just an update */
 #define        MNT_DELEXPORT   0x00020000      /* delete export host lists */
  */
 #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_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 */

 
 /*
  * Operations supported on mounted file system.
 
 /*
  * Operations supported on mounted file system.


@@ -121,6 +179,7 @@ struct mount {
 #ifdef KERNEL
 #ifdef __STDC__
 struct nameidata;
 #ifdef KERNEL
 #ifdef __STDC__
 struct nameidata;

+struct mbuf;

 #endif
 
 struct vfsops {
 #endif
 
 struct vfsops {


@@ -131,14 +190,17 @@ struct vfsops {
        int     (*vfs_unmount)  __P((struct mount *mp, int mntflags,
                                    struct proc *p));
        int     (*vfs_root)     __P((struct mount *mp, struct vnode **vpp));
        int     (*vfs_unmount)  __P((struct mount *mp, int mntflags,
                                    struct proc *p));
        int     (*vfs_root)     __P((struct mount *mp, struct vnode **vpp));

-                       /* int uid,             should be uid_t */
-       int     (*vfs_quotactl) __P((struct mount *mp, int cmds, u_int uid,
+       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));
                                    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));
-       int     (*vfs_fhtovp)   __P((struct mount *mp, struct fid *fhp,
+       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));
                                    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));
 };
        int     (*vfs_vptofh)   __P((struct vnode *vp, struct fid *fhp));
        int     (*vfs_init)     __P((void));
 };


@@ -150,19 +212,18 @@ struct vfsops {
 #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_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, WAITFOR)    (*(MP)->mnt_op->vfs_sync)(MP, WAITFOR)
-#define VFS_FHTOVP(MP, FIDP, VPP) (*(MP)->mnt_op->vfs_fhtovp)(MP, FIDP, VPP)
+#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)
 #endif /* KERNEL */
 
 /*
  * Flags for various system call interfaces.
  *
 #define        VFS_VPTOFH(VP, FIDP)      (*(VP)->v_mount->mnt_op->vfs_vptofh)(VP, FIDP)
 #endif /* KERNEL */
 
 /*
  * Flags for various system call interfaces.
  *

- * forcibly flags for vfs_umount().

  * waitfor flags to vfs_sync() and getfsstat()
  */
  * waitfor flags to vfs_sync() and getfsstat()
  */

-#define MNT_FORCE      1
-#define MNT_NOFORCE    2

 #define MNT_WAIT       1
 #define MNT_NOWAIT     2
 
 #define MNT_WAIT       1
 #define MNT_NOWAIT     2
 


@@ -171,10 +232,23 @@ struct vfsops {
  */
 struct fhandle {
        fsid_t  fh_fsid;        /* File system id of mount point */
  */
 struct fhandle {
        fsid_t  fh_fsid;        /* File system id of mount point */

-       struct  fid fh_fid;     /* Id of file */
+       struct  fid fh_fid;     /* File sys specific id */

 };
 typedef struct fhandle fhandle_t;
 
 };
 typedef struct fhandle fhandle_t;
 

+#ifdef KERNEL
+#include <net/radix.h>
+
+/*
+ * Network address lookup element
+ */
+struct netcred {
+       struct  radix_node netc_rnodes[2];
+       int     netc_exflags;
+       struct  ucred netc_anon;
+};
+#endif /* KERNEL */
+

 /*
  * Arguments to mount UFS-based filesystems
  */
 /*
  * Arguments to mount UFS-based filesystems
  */


@@ -215,6 +289,7 @@ typedef union nfsv2fh nfsv2fh_t;
  */
 struct nfs_args {
        struct sockaddr *addr;          /* file server address */
  */
 struct nfs_args {
        struct sockaddr *addr;          /* file server address */

+       int             addrlen;        /* length of address */

        int             sotype;         /* Socket type */
        int             proto;          /* and Protocol */
        nfsv2fh_t       *fh;            /* File handle to be mounted */
        int             sotype;         /* Socket type */
        int             proto;          /* and Protocol */
        nfsv2fh_t       *fh;            /* File handle to be mounted */


@@ -223,25 +298,47 @@ struct nfs_args {
        int             rsize;          /* read size in bytes */
        int             timeo;          /* initial timeout in .1 secs */
        int             retrans;        /* times to retry send */
        int             rsize;          /* read 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 */
 };
 
        char            *hostname;      /* server's name */
 };
 

+

 /*
  * NFS mount option flags
  */
 /*
  * NFS mount option flags
  */

-#define        NFSMNT_SOFT     0x0001  /* soft mount (hard is default) */
-#define        NFSMNT_WSIZE    0x0002  /* set write size */
-#define        NFSMNT_RSIZE    0x0004  /* set read size */
-#define        NFSMNT_TIMEO    0x0008  /* set initial timeout */
-#define        NFSMNT_RETRANS  0x0010  /* set number of request retrys */
-#define        NFSMNT_HOSTNAME 0x0020  /* set hostname for error printf */
-#define        NFSMNT_INT      0x0040  /* allow interrupts on hard mount */
-#define        NFSMNT_NOCONN   0x0080  /* Don't Connect the socket */
-#define        NFSMNT_SCKLOCK  0x0100  /* Lock socket against others */
-#define        NFSMNT_WANTSCK  0x0200  /* Want a socket lock */
-#define        NFSMNT_SPONGY   0x0400  /* spongy mount (soft for stat and lookup) */
-#define        NFSMNT_COMPRESS 0x0800  /* Compress nfs rpc xdr */
-#define        NFSMNT_LOCKBITS (NFSMNT_SCKLOCK | NFSMNT_WANTSCK)
+#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_MYWRITE          0x00000200  /* Assume writes were mine */
+#define        NFSMNT_KERB             0x00000400  /* Use Kerberos authentication */
+#define        NFSMNT_DUMBTIMR         0x00000800  /* Don't estimate rtt dynamically */
+#define        NFSMNT_RDIRALOOK        0x00001000  /* Do lookup with readdir (nqnfs) */
+#define        NFSMNT_LEASETERM        0x00002000  /* set lease term (nqnfs) */
+#define        NFSMNT_READAHEAD        0x00004000  /* set read ahead */
+#define        NFSMNT_DEADTHRESH       0x00008000  /* set dead server retry thresh */
+#define        NFSMNT_NQLOOKLEASE      0x00010000  /* Get lease for lookup */
+#define        NFSMNT_RESVPORT         0x00020000  /* Allocate a reserved port */
+#define        NFSMNT_INTERNAL         0xffe00000  /* Bits set internally */
+#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
 #endif /* NFS */
 
 #ifdef KERNEL