diff options
Diffstat (limited to 'sys/kern/vnode_if.src')
| -rw-r--r-- | sys/kern/vnode_if.src | 541 |
1 files changed, 541 insertions, 0 deletions
diff --git a/sys/kern/vnode_if.src b/sys/kern/vnode_if.src new file mode 100644 index 0000000..479cc92 --- /dev/null +++ b/sys/kern/vnode_if.src @@ -0,0 +1,541 @@ +# +# Copyright (c) 1992, 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. +# +# @(#)vnode_if.src 8.12 (Berkeley) 5/14/95 +# $FreeBSD$ +# + +# +# Above each of the vop descriptors is a specification of the locking +# protocol used by each vop call. The first column is the name of +# the variable, the remaining three columns are in, out and error +# respectively. The "in" column defines the lock state on input, +# the "out" column defines the state on succesful return, and the +# "error" column defines the locking state on error exit. +# +# The locking value can take the following values: +# L: locked; not converted to type of lock. +# A: any lock type. +# S: locked with shared lock. +# E: locked with exclusive lock for this process. +# O: locked with exclusive lock for other process. +# U: unlocked. +# -: not applicable. vnode does not yet (or no longer) exists. +# =: the same on input and output, may be either L or U. +# X: locked if not nil. +# + +# +#% islocked vp = = = +# +vop_islocked { + IN struct vnode *vp; + IN struct proc *p; +}; + +# +#% lookup dvp L ? ? +#% lookup vpp - L - +# +# XXX - the lookup locking protocol defies simple description and depends +# on the flags and operation fields in the (cnp) structure. Note +# especially that *vpp may equal dvp and both may be locked. +# +vop_lookup { + IN struct vnode *dvp; + INOUT struct vnode **vpp; + IN struct componentname *cnp; +}; + +# +#% cachedlookup dvp L ? ? +#% cachedlookup vpp - L - +# +# This must be an exact copy of lookup. See kern/vfs_cache.c for details. +# +vop_cachedlookup { + IN struct vnode *dvp; + INOUT struct vnode **vpp; + IN struct componentname *cnp; +}; + +# +#% create dvp L L L +#% create vpp - L - +# +vop_create { + IN struct vnode *dvp; + OUT struct vnode **vpp; + IN struct componentname *cnp; + IN struct vattr *vap; +}; + +# +#% whiteout dvp L L L +# +vop_whiteout { + IN struct vnode *dvp; + IN struct componentname *cnp; + IN int flags; +}; + +# +#% mknod dvp L L L +#% mknod vpp - X - +# +vop_mknod { + IN struct vnode *dvp; + OUT struct vnode **vpp; + IN struct componentname *cnp; + IN struct vattr *vap; +}; + +# +#% open vp L L L +# +vop_open { + IN struct vnode *vp; + IN int mode; + IN struct ucred *cred; + IN struct proc *p; +}; + +# +#% close vp U U U +# +vop_close { + IN struct vnode *vp; + IN int fflag; + IN struct ucred *cred; + IN struct proc *p; +}; + +# +#% access vp L L L +# +vop_access { + IN struct vnode *vp; + IN int mode; + IN struct ucred *cred; + IN struct proc *p; +}; + +# +#% getattr vp = = = +# +vop_getattr { + IN struct vnode *vp; + OUT struct vattr *vap; + IN struct ucred *cred; + IN struct proc *p; +}; + +# +#% setattr vp L L L +# +vop_setattr { + IN struct vnode *vp; + IN struct vattr *vap; + IN struct ucred *cred; + IN struct proc *p; +}; + +# +#% read vp L L L +# +vop_read { + IN struct vnode *vp; + INOUT struct uio *uio; + IN int ioflag; + IN struct ucred *cred; +}; + +# +#% write vp L L L +# +vop_write { + IN struct vnode *vp; + INOUT struct uio *uio; + IN int ioflag; + IN struct ucred *cred; +}; + +# +#% lease vp = = = +# +vop_lease { + IN struct vnode *vp; + IN struct proc *p; + IN struct ucred *cred; + IN int flag; +}; + +# +#% ioctl vp U U U +# +vop_ioctl { + IN struct vnode *vp; + IN u_long command; + IN caddr_t data; + IN int fflag; + IN struct ucred *cred; + IN struct proc *p; +}; + +# +#% poll vp U U U +# +vop_poll { + IN struct vnode *vp; + IN int events; + IN struct ucred *cred; + IN struct proc *p; +}; + +# +#% revoke vp U U U +# +vop_revoke { + IN struct vnode *vp; + IN int flags; +}; + +# +# XXX - not used +# +vop_mmap { + IN struct vnode *vp; + IN int fflags; + IN struct ucred *cred; + IN struct proc *p; +}; + +# +#% fsync vp L L L +# +vop_fsync { + IN struct vnode *vp; + IN struct ucred *cred; + IN int waitfor; + IN struct proc *p; +}; + +# +#% remove dvp L L L +#% remove vp L L L +# +vop_remove { + IN struct vnode *dvp; + IN struct vnode *vp; + IN struct componentname *cnp; +}; + +# +#% link tdvp L L L +#% link vp U U U +# +vop_link { + IN struct vnode *tdvp; + IN struct vnode *vp; + IN struct componentname *cnp; +}; + +# +#% rename fdvp U U U +#% rename fvp U U U +#% rename tdvp L U U +#% rename tvp X U U +# +vop_rename { + IN WILLRELE struct vnode *fdvp; + IN WILLRELE struct vnode *fvp; + IN struct componentname *fcnp; + IN WILLRELE struct vnode *tdvp; + IN WILLRELE struct vnode *tvp; + IN struct componentname *tcnp; +}; + +# +#% mkdir dvp L L L +#% mkdir vpp - L - +# +vop_mkdir { + IN struct vnode *dvp; + OUT struct vnode **vpp; + IN struct componentname *cnp; + IN struct vattr *vap; +}; + +# +#% rmdir dvp L L L +#% rmdir vp L L L +# +vop_rmdir { + IN struct vnode *dvp; + IN struct vnode *vp; + IN struct componentname *cnp; +}; + +# +#% symlink dvp L L L +#% symlink vpp - U - +# +vop_symlink { + IN struct vnode *dvp; + OUT struct vnode **vpp; + IN struct componentname *cnp; + IN struct vattr *vap; + IN char *target; +}; + +# +#% readdir vp L L L +# +vop_readdir { + IN struct vnode *vp; + INOUT struct uio *uio; + IN struct ucred *cred; + INOUT int *eofflag; + OUT int *ncookies; + INOUT u_long **cookies; +}; + +# +#% readlink vp L L L +# +vop_readlink { + IN struct vnode *vp; + INOUT struct uio *uio; + IN struct ucred *cred; +}; + +# +#% inactive vp L U U +# +vop_inactive { + IN struct vnode *vp; + IN struct proc *p; +}; + +# +#% reclaim vp U U U +# +vop_reclaim { + IN struct vnode *vp; + IN struct proc *p; +}; + +# +#% lock vp ? ? ? +# +vop_lock { + IN struct vnode *vp; + IN int flags; + IN struct proc *p; +}; + +# +#% unlock vp L U L +# +vop_unlock { + IN struct vnode *vp; + IN int flags; + IN struct proc *p; +}; + +# +#% bmap vp L L L +#% bmap vpp - U - +# +vop_bmap { + IN struct vnode *vp; + IN daddr_t bn; + OUT struct vnode **vpp; + IN daddr_t *bnp; + OUT int *runp; + OUT int *runb; +}; + +# +#% strategy vp L L L +# +vop_strategy { + IN struct vnode *vp; + IN struct buf *bp; +}; + +# +#% print vp = = = +# +vop_print { + IN struct vnode *vp; +}; + +# +#% pathconf vp L L L +# +vop_pathconf { + IN struct vnode *vp; + IN int name; + OUT register_t *retval; +}; + +# +#% advlock vp U U U +# +vop_advlock { + IN struct vnode *vp; + IN caddr_t id; + IN int op; + IN struct flock *fl; + IN int flags; +}; + +# +#% balloc vp L L L +# +vop_balloc { + IN struct vnode *vp; + IN off_t startoffset; + IN int size; + IN struct ucred *cred; + IN int flags; + OUT struct buf **bpp; +}; + +# +#% reallocblks vp L L L +# +vop_reallocblks { + IN struct vnode *vp; + IN struct cluster_save *buflist; +}; + +# +#% getpages vp L L L +# +vop_getpages { + IN struct vnode *vp; + IN vm_page_t *m; + IN int count; + IN int reqpage; + IN vm_ooffset_t offset; +}; + +# +#% putpages vp L L L +# +vop_putpages { + IN struct vnode *vp; + IN vm_page_t *m; + IN int count; + IN int sync; + IN int *rtvals; + IN vm_ooffset_t offset; +}; + +# +#% freeblks vp - - - +# +# This call is used by the filesystem to release blocks back to +# device-driver. This is useful if the driver has a lengthy +# erase handling or similar. +# + +vop_freeblks { + IN struct vnode *vp; + IN daddr_t addr; + IN daddr_t length; +}; + +# +#% bwrite vp L L L +# +vop_bwrite { + IN struct vnode *vp; + IN struct buf *bp; +}; + +# +#% getacl vp = = = +# +vop_getacl { + IN struct vnode *vp; + IN acl_type_t type; + OUT struct acl *aclp; + IN struct ucred *cred; + IN struct proc *p; +}; + +# +#% setacl vp L L L +# +vop_setacl { + IN struct vnode *vp; + IN acl_type_t type; + IN struct acl *aclp; + IN struct ucred *cred; + IN struct proc *p; +}; + +# +#% aclcheck vp = = = +# +vop_aclcheck { + IN struct vnode *vp; + IN acl_type_t type; + IN struct acl *aclp; + IN struct ucred *cred; + IN struct proc *p; +}; + +# +#% getextattr vp = = = +# +vop_getextattr { + IN struct vnode *vp; + IN char *name; + INOUT struct uio *uio; + IN struct ucred *cred; + IN struct proc *p; +}; + +# +#% setextattr vp L L L +# +vop_setextattr { + IN struct vnode *vp; + IN char *name; + INOUT struct uio *uio; + IN struct ucred *cred; + IN struct proc *p; +}; |
