919 lines
26 KiB
C
919 lines
26 KiB
C
/*-
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NFS_NFSPORT_H_
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#define _NFSPORT_NFS_H_
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/*
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* In general, I'm not fond of #includes in .h files, but this seems
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* to be the cleanest way to handle #include files for the ports.
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*/
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#ifdef _KERNEL
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#include <sys/unistd.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/dirent.h>
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#include <sys/domain.h>
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#include <sys/fcntl.h>
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#include <sys/file.h>
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#include <sys/filedesc.h>
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#include <sys/jail.h>
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#include <sys/kernel.h>
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#include <sys/lockf.h>
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#include <sys/malloc.h>
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#include <sys/mbuf.h>
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#include <sys/mount.h>
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#include <sys/namei.h>
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#include <sys/proc.h>
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#include <sys/protosw.h>
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#include <sys/reboot.h>
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#include <sys/resourcevar.h>
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#include <sys/signalvar.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/stat.h>
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#include <sys/syslog.h>
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#include <sys/sysproto.h>
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#include <sys/time.h>
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#include <sys/uio.h>
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#include <sys/vnode.h>
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#include <sys/bio.h>
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#include <sys/buf.h>
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#include <sys/acl.h>
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#include <sys/module.h>
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#include <sys/sysent.h>
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#include <sys/syscall.h>
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#include <sys/priv.h>
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#include <sys/kthread.h>
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#include <sys/syscallsubr.h>
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#include <fs/fifofs/fifo.h>
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#include <net/if.h>
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#include <net/radix.h>
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#include <net/route.h>
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#include <net/if_dl.h>
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#include <netinet/in.h>
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#include <netinet/in_pcb.h>
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#include <netinet/in_systm.h>
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#include <netinet/in_var.h>
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#include <netinet/ip.h>
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#include <netinet/ip_var.h>
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#include <netinet/tcp.h>
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#include <netinet/tcp_fsm.h>
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#include <netinet/tcp_seq.h>
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#include <netinet/tcp_timer.h>
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#include <netinet/tcp_var.h>
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#include <machine/in_cksum.h>
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#include <crypto/des/des.h>
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#include <sys/md5.h>
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#include <rpc/rpc.h>
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#include <rpc/rpcsec_gss.h>
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/*
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* For Darwin, these functions should be "static" when built in a kext.
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* (This is always defined as nil otherwise.)
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*/
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#define APPLESTATIC
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#include <ufs/ufs/dir.h>
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#include <ufs/ufs/quota.h>
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#include <ufs/ufs/inode.h>
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#include <ufs/ufs/extattr.h>
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#include <ufs/ufs/ufsmount.h>
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#include <vm/uma.h>
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#include <vm/vm.h>
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#include <vm/vm_object.h>
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#include <vm/vm_extern.h>
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#include <nfs/nfssvc.h>
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#include "opt_nfs.h"
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#include "opt_ufs.h"
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/*
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* These types must be defined before the nfs includes.
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*/
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#define NFSSOCKADDR_T struct sockaddr *
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#define NFSPROC_T struct thread
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#define NFSDEV_T dev_t
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#define NFSSVCARGS nfssvc_args
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#define NFSACL_T struct acl
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/*
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* These should be defined as the types used for the corresponding VOP's
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* argument type.
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*/
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#define NFS_ACCESS_ARGS struct vop_access_args
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#define NFS_OPEN_ARGS struct vop_open_args
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#define NFS_GETATTR_ARGS struct vop_getattr_args
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#define NFS_LOOKUP_ARGS struct vop_lookup_args
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#define NFS_READDIR_ARGS struct vop_readdir_args
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/*
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* Allocate mbufs. Must succeed and never set the mbuf ptr to NULL.
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*/
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#define NFSMGET(m) do { \
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MGET((m), M_TRYWAIT, MT_DATA); \
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while ((m) == NULL ) { \
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(void) nfs_catnap(PZERO, "nfsmget"); \
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MGET((m), M_TRYWAIT, MT_DATA); \
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} \
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} while (0)
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#define NFSMGETHDR(m) do { \
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MGETHDR((m), M_TRYWAIT, MT_DATA); \
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while ((m) == NULL ) { \
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(void) nfs_catnap(PZERO, "nfsmget"); \
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MGETHDR((m), M_TRYWAIT, MT_DATA); \
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} \
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} while (0)
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#define NFSMCLGET(m, w) do { \
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MGET((m), M_TRYWAIT, MT_DATA); \
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while ((m) == NULL ) { \
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(void) nfs_catnap(PZERO, "nfsmget"); \
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MGET((m), M_TRYWAIT, MT_DATA); \
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} \
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MCLGET((m), (w)); \
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} while (0)
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#define NFSMCLGETHDR(m, w) do { \
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MGETHDR((m), M_TRYWAIT, MT_DATA); \
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while ((m) == NULL ) { \
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(void) nfs_catnap(PZERO, "nfsmget"); \
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MGETHDR((m), M_TRYWAIT, MT_DATA); \
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} \
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} while (0)
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#define NFSMTOD mtod
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/*
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* Client side constant for size of a lockowner name.
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*/
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#define NFSV4CL_LOCKNAMELEN 12
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/*
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* Type for a mutex lock.
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*/
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#define NFSMUTEX_T struct mtx
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#endif /* _KERNEL */
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/*
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* NFSv4 Operation numbers.
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*/
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#define NFSV4OP_ACCESS 3
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#define NFSV4OP_CLOSE 4
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#define NFSV4OP_COMMIT 5
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#define NFSV4OP_CREATE 6
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#define NFSV4OP_DELEGPURGE 7
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#define NFSV4OP_DELEGRETURN 8
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#define NFSV4OP_GETATTR 9
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#define NFSV4OP_GETFH 10
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#define NFSV4OP_LINK 11
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#define NFSV4OP_LOCK 12
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#define NFSV4OP_LOCKT 13
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#define NFSV4OP_LOCKU 14
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#define NFSV4OP_LOOKUP 15
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#define NFSV4OP_LOOKUPP 16
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#define NFSV4OP_NVERIFY 17
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#define NFSV4OP_OPEN 18
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#define NFSV4OP_OPENATTR 19
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#define NFSV4OP_OPENCONFIRM 20
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#define NFSV4OP_OPENDOWNGRADE 21
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#define NFSV4OP_PUTFH 22
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#define NFSV4OP_PUTPUBFH 23
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#define NFSV4OP_PUTROOTFH 24
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#define NFSV4OP_READ 25
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#define NFSV4OP_READDIR 26
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#define NFSV4OP_READLINK 27
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#define NFSV4OP_REMOVE 28
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#define NFSV4OP_RENAME 29
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#define NFSV4OP_RENEW 30
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#define NFSV4OP_RESTOREFH 31
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#define NFSV4OP_SAVEFH 32
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#define NFSV4OP_SECINFO 33
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#define NFSV4OP_SETATTR 34
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#define NFSV4OP_SETCLIENTID 35
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#define NFSV4OP_SETCLIENTIDCFRM 36
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#define NFSV4OP_VERIFY 37
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#define NFSV4OP_WRITE 38
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#define NFSV4OP_RELEASELCKOWN 39
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/*
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* Must be one greater than the last Operation#.
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*/
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#define NFSV4OP_NOPS 40
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/* Quirky case if the illegal op code */
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#define NFSV4OP_OPILLEGAL 10044
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/*
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* Fake NFSV4OP_xxx used for nfsstat. Start at NFSV4OP_NOPS.
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*/
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#define NFSV4OP_SYMLINK (NFSV4OP_NOPS)
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#define NFSV4OP_MKDIR (NFSV4OP_NOPS + 1)
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#define NFSV4OP_RMDIR (NFSV4OP_NOPS + 2)
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#define NFSV4OP_READDIRPLUS (NFSV4OP_NOPS + 3)
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#define NFSV4OP_MKNOD (NFSV4OP_NOPS + 4)
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#define NFSV4OP_FSSTAT (NFSV4OP_NOPS + 5)
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#define NFSV4OP_FSINFO (NFSV4OP_NOPS + 6)
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#define NFSV4OP_PATHCONF (NFSV4OP_NOPS + 7)
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#define NFSV4OP_V3CREATE (NFSV4OP_NOPS + 8)
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/*
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* This is the count of the fake operations listed above.
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*/
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#define NFSV4OP_FAKENOPS 9
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/*
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* and the Callback OPs
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*/
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#define NFSV4OP_CBGETATTR 3
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#define NFSV4OP_CBRECALL 4
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/*
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* Must be one greater than the last Callback Operation#.
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*/
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#define NFSV4OP_CBNOPS 5
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/*
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* The lower numbers -> 21 are used by NFSv2 and v3. These define higher
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* numbers used by NFSv4.
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* NFS_V3NPROCS is one greater than the last V3 op and NFS_NPROCS is
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* one greater than the last number.
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*/
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#define NFS_V3NPROCS 22
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#define NFSPROC_LOOKUPP 22
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#define NFSPROC_SETCLIENTID 23
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#define NFSPROC_SETCLIENTIDCFRM 24
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#define NFSPROC_LOCK 25
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#define NFSPROC_LOCKU 26
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#define NFSPROC_OPEN 27
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#define NFSPROC_CLOSE 28
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#define NFSPROC_OPENCONFIRM 29
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#define NFSPROC_LOCKT 30
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#define NFSPROC_OPENDOWNGRADE 31
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#define NFSPROC_RENEW 32
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#define NFSPROC_PUTROOTFH 33
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#define NFSPROC_RELEASELCKOWN 34
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#define NFSPROC_DELEGRETURN 35
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#define NFSPROC_RETDELEGREMOVE 36
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#define NFSPROC_RETDELEGRENAME1 37
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#define NFSPROC_RETDELEGRENAME2 38
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#define NFSPROC_GETACL 39
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#define NFSPROC_SETACL 40
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/*
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* Must be defined as one higher than the last Proc# above.
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*/
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#define NFSV4_NPROCS 41
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/*
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* Stats structure
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*/
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struct ext_nfsstats {
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int attrcache_hits;
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int attrcache_misses;
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int lookupcache_hits;
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int lookupcache_misses;
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int direofcache_hits;
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int direofcache_misses;
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int accesscache_hits;
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int accesscache_misses;
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int biocache_reads;
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int read_bios;
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int read_physios;
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int biocache_writes;
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int write_bios;
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int write_physios;
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int biocache_readlinks;
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int readlink_bios;
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int biocache_readdirs;
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int readdir_bios;
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int rpccnt[NFSV4_NPROCS];
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int rpcretries;
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int srvrpccnt[NFSV4OP_NOPS + NFSV4OP_FAKENOPS];
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int srvrpc_errs;
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int srv_errs;
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int rpcrequests;
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int rpctimeouts;
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int rpcunexpected;
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int rpcinvalid;
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int srvcache_inproghits;
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int srvcache_idemdonehits;
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int srvcache_nonidemdonehits;
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int srvcache_misses;
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int srvcache_tcppeak;
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int srvcache_size;
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int srvclients;
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int srvopenowners;
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int srvopens;
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int srvlockowners;
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int srvlocks;
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int srvdelegates;
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int cbrpccnt[NFSV4OP_CBNOPS];
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int clopenowners;
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int clopens;
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int cllockowners;
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int cllocks;
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int cldelegates;
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int cllocalopenowners;
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int cllocalopens;
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int cllocallockowners;
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int cllocallocks;
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};
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#ifdef _KERNEL
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/*
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* Define the ext_nfsstats as nfsstats for the kernel code.
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*/
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#define nfsstats ext_nfsstats
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/*
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* Define NFS_NPROCS as NFSV4_NPROCS for the experimental kernel code.
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*/
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#define NFS_NPROCS NFSV4_NPROCS
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#include <fs/nfs/nfskpiport.h>
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#include <fs/nfs/nfsdport.h>
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#include <fs/nfs/rpcv2.h>
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#include <fs/nfs/nfsproto.h>
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#include <fs/nfs/nfs.h>
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#include <fs/nfs/nfs_var.h>
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#include <fs/nfs/nfsm_subs.h>
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#include <fs/nfs/nfsrvcache.h>
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#include <fs/nfs/nfsrvstate.h>
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#include <fs/nfs/xdr_subs.h>
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#include <fs/nfs/nfscl.h>
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#include <fs/nfs/nfsclstate.h>
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#include <fs/nfsclient/nfsargs.h>
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#include <fs/nfsclient/nfsmount.h>
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/*
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* Just to keep nfs_var.h happy.
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*/
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struct nfs_vattr {
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int junk;
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};
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struct nfsvattr {
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struct vattr na_vattr;
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nfsattrbit_t na_suppattr;
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u_int32_t na_mntonfileno;
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u_int64_t na_filesid[2];
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};
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#define na_type na_vattr.va_type
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#define na_mode na_vattr.va_mode
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#define na_nlink na_vattr.va_nlink
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#define na_uid na_vattr.va_uid
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#define na_gid na_vattr.va_gid
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#define na_fsid na_vattr.va_fsid
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#define na_fileid na_vattr.va_fileid
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#define na_size na_vattr.va_size
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#define na_blocksize na_vattr.va_blocksize
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#define na_atime na_vattr.va_atime
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#define na_mtime na_vattr.va_mtime
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#define na_ctime na_vattr.va_ctime
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#define na_gen na_vattr.va_gen
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#define na_flags na_vattr.va_flags
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#define na_rdev na_vattr.va_rdev
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#define na_bytes na_vattr.va_bytes
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#define na_filerev na_vattr.va_filerev
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#define na_vaflags na_vattr.va_vaflags
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#include <fs/nfsclient/nfsnode.h>
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/*
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* This is the header structure used for the lists, etc. (It has the
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* above record in it.
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*/
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struct nfsrv_stablefirst {
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LIST_HEAD(, nfsrv_stable) nsf_head; /* Head of nfsrv_stable list */
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time_t nsf_eograce; /* Time grace period ends */
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time_t *nsf_bootvals; /* Previous boottime values */
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struct file *nsf_fp; /* File table pointer */
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u_char nsf_flags; /* NFSNSF_ flags */
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struct nfsf_rec nsf_rec; /* and above first record */
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};
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#define nsf_lease nsf_rec.lease
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#define nsf_numboots nsf_rec.numboots
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/* NFSNSF_xxx flags */
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#define NFSNSF_UPDATEDONE 0x01
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#define NFSNSF_GRACEOVER 0x02
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#define NFSNSF_NEEDLOCK 0x04
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#define NFSNSF_EXPIREDCLIENT 0x08
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#define NFSNSF_NOOPENS 0x10
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#define NFSNSF_OK 0x20
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/*
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* Maximum number of boot times allowed in record. Although there is
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* really no need for a fixed upper bound, this serves as a sanity check
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* for a corrupted file.
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*/
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#define NFSNSF_MAXNUMBOOTS 10000
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/*
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* This structure defines the other records in the file. The
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* nst_client array is actually the size of the client string name.
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*/
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struct nfst_rec {
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u_int16_t len;
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u_char flag;
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u_char client[1];
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};
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/* and the values for flag */
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#define NFSNST_NEWSTATE 0x1
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#define NFSNST_REVOKE 0x2
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#define NFSNST_GOTSTATE 0x4
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/*
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* This structure is linked onto nfsrv_stablefirst for the duration of
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* reclaim.
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*/
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struct nfsrv_stable {
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LIST_ENTRY(nfsrv_stable) nst_list;
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struct nfsclient *nst_clp;
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struct nfst_rec nst_rec;
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};
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#define nst_timestamp nst_rec.timestamp
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#define nst_len nst_rec.len
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#define nst_flag nst_rec.flag
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#define nst_client nst_rec.client
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/*
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* At some point the server will run out of kernel storage for
|
|
* state structures. For FreeBSD5.2, this results in a panic
|
|
* kmem_map is full. It happens at well over 1000000 opens plus
|
|
* locks on a PIII-800 with 256Mbytes, so that is where I've set
|
|
* the limit. If your server panics due to too many opens/locks,
|
|
* decrease the size of NFSRV_V4STATELIMIT. If you find the server
|
|
* returning NFS4ERR_RESOURCE a lot and have lots of memory, try
|
|
* increasing it.
|
|
*/
|
|
#define NFSRV_V4STATELIMIT 500000 /* Max # of Opens + Locks */
|
|
|
|
/*
|
|
* The type required differs with BSDen (just the second arg).
|
|
*/
|
|
void nfsrvd_rcv(struct socket *, void *, int);
|
|
|
|
/*
|
|
* Macros for handling socket addresses. (Hopefully this makes the code
|
|
* more portable, since I've noticed some 'BSD don't have sockaddrs in
|
|
* mbufs any more.)
|
|
*/
|
|
#define NFSSOCKADDR(a, t) ((t)(a))
|
|
#define NFSSOCKADDRALLOC(a) \
|
|
do { \
|
|
MALLOC((a), struct sockaddr *, sizeof (struct sockaddr), \
|
|
M_SONAME, M_WAITOK); \
|
|
NFSBZERO((a), sizeof (struct sockaddr)); \
|
|
} while (0)
|
|
#define NFSSOCKADDRSIZE(a, s) ((a)->sa_len = (s))
|
|
#define NFSSOCKADDRFREE(a) \
|
|
do { \
|
|
if (a) \
|
|
FREE((caddr_t)(a), M_SONAME); \
|
|
} while (0)
|
|
|
|
/*
|
|
* These should be defined as a process or thread structure, as required
|
|
* for signal handling, etc.
|
|
*/
|
|
#define NFSNEWCRED(c) (crdup(c))
|
|
#define NFSPROCCRED(p) ((p)->td_ucred)
|
|
#define NFSFREECRED(c) (crfree(c))
|
|
#define NFSUIOPROC(u, p) ((u)->uio_td = NULL)
|
|
#define NFSPROCP(p) ((p)->td_proc)
|
|
|
|
/*
|
|
* Define these so that cn_hash and its length is ignored.
|
|
*/
|
|
#define NFSCNHASHZERO(c)
|
|
#define NFSCNHASH(c, v)
|
|
#define NCHNAMLEN 9999999
|
|
|
|
/*
|
|
* Define these to use the time of day clock.
|
|
*/
|
|
#define NFSGETTIME(t) (getmicrotime(t))
|
|
#define NFSGETNANOTIME(t) (getnanotime(t))
|
|
|
|
/*
|
|
* These macros are defined to initialize and set the timer routine.
|
|
*/
|
|
#define NFS_TIMERINIT \
|
|
newnfs_timer(NULL)
|
|
|
|
/*
|
|
* Handle SMP stuff:
|
|
*/
|
|
#define NFSSTATESPINLOCK extern struct mtx nfs_state_mutex
|
|
#define NFSLOCKSTATE() mtx_lock(&nfs_state_mutex)
|
|
#define NFSUNLOCKSTATE() mtx_unlock(&nfs_state_mutex)
|
|
#define NFSREQSPINLOCK extern struct mtx nfs_req_mutex
|
|
#define NFSLOCKREQ() mtx_lock(&nfs_req_mutex)
|
|
#define NFSUNLOCKREQ() mtx_unlock(&nfs_req_mutex)
|
|
#define NFSCACHEMUTEX extern struct mtx nfs_cache_mutex
|
|
#define NFSCACHEMUTEXPTR (&nfs_cache_mutex)
|
|
#define NFSLOCKCACHE() mtx_lock(&nfs_cache_mutex)
|
|
#define NFSUNLOCKCACHE() mtx_unlock(&nfs_cache_mutex)
|
|
#define NFSCACHELOCKREQUIRED() mtx_assert(&nfs_cache_mutex, MA_OWNED)
|
|
#define NFSSOCKMUTEX extern struct mtx nfs_slock_mutex
|
|
#define NFSSOCKMUTEXPTR (&nfs_slock_mutex)
|
|
#define NFSLOCKSOCK() mtx_lock(&nfs_slock_mutex)
|
|
#define NFSUNLOCKSOCK() mtx_unlock(&nfs_slock_mutex)
|
|
#define NFSNAMEIDMUTEX extern struct mtx nfs_nameid_mutex
|
|
#define NFSLOCKNAMEID() mtx_lock(&nfs_nameid_mutex)
|
|
#define NFSUNLOCKNAMEID() mtx_unlock(&nfs_nameid_mutex)
|
|
#define NFSNAMEIDREQUIRED() mtx_assert(&nfs_nameid_mutex, MA_OWNED)
|
|
#define NFSCLSTATEMUTEX extern struct mtx nfs_clstate_mutex
|
|
#define NFSCLSTATEMUTEXPTR (&nfs_clstate_mutex)
|
|
#define NFSLOCKCLSTATE() mtx_lock(&nfs_clstate_mutex)
|
|
#define NFSUNLOCKCLSTATE() mtx_unlock(&nfs_clstate_mutex)
|
|
#define NFSDLOCKMUTEX extern struct mtx newnfsd_mtx
|
|
#define NFSDLOCKMUTEXPTR (&newnfsd_mtx)
|
|
#define NFSD_LOCK() mtx_lock(&newnfsd_mtx)
|
|
#define NFSD_UNLOCK() mtx_unlock(&newnfsd_mtx)
|
|
#define NFSD_LOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_OWNED)
|
|
#define NFSD_UNLOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_NOTOWNED)
|
|
#define NFSV4ROOTLOCKMUTEX extern struct mtx nfs_v4root_mutex
|
|
#define NFSV4ROOTLOCKMUTEXPTR (&nfs_v4root_mutex)
|
|
#define NFSLOCKV4ROOTMUTEX() mtx_lock(&nfs_v4root_mutex)
|
|
#define NFSUNLOCKV4ROOTMUTEX() mtx_unlock(&nfs_v4root_mutex)
|
|
#define NFSLOCKNODE(n) mtx_lock(&((n)->n_mtx))
|
|
#define NFSUNLOCKNODE(n) mtx_unlock(&((n)->n_mtx))
|
|
#define NFSLOCKMNT(m) mtx_lock(&((m)->nm_mtx))
|
|
#define NFSUNLOCKMNT(m) mtx_unlock(&((m)->nm_mtx))
|
|
#define NFSLOCKREQUEST(r) mtx_lock(&((r)->r_mtx))
|
|
#define NFSUNLOCKREQUEST(r) mtx_unlock(&((r)->r_mtx))
|
|
#define NFSPROCLISTLOCK() sx_slock(&allproc_lock)
|
|
#define NFSPROCLISTUNLOCK() sx_sunlock(&allproc_lock)
|
|
#define NFSLOCKSOCKREQ(r) mtx_lock(&((r)->nr_mtx))
|
|
#define NFSUNLOCKSOCKREQ(r) mtx_unlock(&((r)->nr_mtx))
|
|
|
|
/*
|
|
* Use these macros to initialize/free a mutex.
|
|
*/
|
|
#define NFSINITSOCKMUTEX(m) mtx_init((m), "nfssock", NULL, MTX_DEF)
|
|
#define NFSFREEMUTEX(m) mtx_destroy((m))
|
|
|
|
int nfsmsleep(void *, void *, int, const char *, struct timespec *);
|
|
|
|
/*
|
|
* And weird vm stuff in the nfs server.
|
|
*/
|
|
#define PDIRUNLOCK 0x0
|
|
#define MAX_COMMIT_COUNT (1024 * 1024)
|
|
|
|
/*
|
|
* These macros are called at the start and end of operations that
|
|
* might modify the underlying file system.
|
|
*/
|
|
#define NFS_STARTWRITE(v, m) vn_start_write((v), (m), V_WAIT)
|
|
#define NFS_ENDWRITE(m) vn_finished_write(m)
|
|
|
|
/*
|
|
* Define these to handle the type of va_rdev.
|
|
*/
|
|
#define NFSMAKEDEV(m, n) makedev((m), (n))
|
|
#define NFSMAJOR(d) major(d)
|
|
#define NFSMINOR(d) minor(d)
|
|
|
|
/*
|
|
* Define this to be the macro that returns the minimum size required
|
|
* for a directory entry.
|
|
*/
|
|
#define DIRENT_SIZE(dp) GENERIC_DIRSIZ(dp)
|
|
|
|
/*
|
|
* The vnode tag for nfsv4root.
|
|
*/
|
|
#define VT_NFSV4ROOT "nfsv4root"
|
|
|
|
/*
|
|
* Define whatever it takes to do a vn_rdwr().
|
|
*/
|
|
#define NFSD_RDWR(r, v, b, l, o, s, i, c, a, p) \
|
|
vn_rdwr((r), (v), (b), (l), (o), (s), (i), (c), NULL, (a), (p))
|
|
|
|
/*
|
|
* Macros for handling memory for different BSDen.
|
|
* NFSBCOPY(src, dst, len) - copies len bytes, non-overlapping
|
|
* NFSOVBCOPY(src, dst, len) - ditto, but data areas might overlap
|
|
* NFSBCMP(cp1, cp2, len) - compare len bytes, return 0 if same
|
|
* NFSBZERO(cp, len) - set len bytes to 0x0
|
|
*/
|
|
#define NFSBCOPY(s, d, l) bcopy((s), (d), (l))
|
|
#define NFSOVBCOPY(s, d, l) ovbcopy((s), (d), (l))
|
|
#define NFSBCMP(s, d, l) bcmp((s), (d), (l))
|
|
#define NFSBZERO(s, l) bzero((s), (l))
|
|
|
|
/*
|
|
* Some queue.h files don't have these dfined in them.
|
|
*/
|
|
#define LIST_END(head) NULL
|
|
#define SLIST_END(head) NULL
|
|
#define TAILQ_END(head) NULL
|
|
|
|
/*
|
|
* This must be defined to be a global variable the increments once
|
|
* per second, but never stops or goes backwards, even when a "date"
|
|
* command changes the tod clock. It is used for delta times for
|
|
* leases, etc.
|
|
*/
|
|
#define NFSD_MONOSEC time_uptime
|
|
|
|
/*
|
|
* Declare the malloc types.
|
|
*/
|
|
MALLOC_DECLARE(M_NEWNFSRVCACHE);
|
|
MALLOC_DECLARE(M_NEWNFSDCLIENT);
|
|
MALLOC_DECLARE(M_NEWNFSDSTATE);
|
|
MALLOC_DECLARE(M_NEWNFSDLOCK);
|
|
MALLOC_DECLARE(M_NEWNFSDLOCKFILE);
|
|
MALLOC_DECLARE(M_NEWNFSSTRING);
|
|
MALLOC_DECLARE(M_NEWNFSUSERGROUP);
|
|
MALLOC_DECLARE(M_NEWNFSDREQ);
|
|
MALLOC_DECLARE(M_NEWNFSFH);
|
|
MALLOC_DECLARE(M_NEWNFSCLOWNER);
|
|
MALLOC_DECLARE(M_NEWNFSCLOPEN);
|
|
MALLOC_DECLARE(M_NEWNFSCLDELEG);
|
|
MALLOC_DECLARE(M_NEWNFSCLCLIENT);
|
|
MALLOC_DECLARE(M_NEWNFSCLLOCKOWNER);
|
|
MALLOC_DECLARE(M_NEWNFSCLLOCK);
|
|
MALLOC_DECLARE(M_NEWNFSDIROFF);
|
|
MALLOC_DECLARE(M_NEWNFSV4NODE);
|
|
MALLOC_DECLARE(M_NEWNFSDIRECTIO);
|
|
MALLOC_DECLARE(M_NEWNFSMNT);
|
|
#define M_NFSRVCACHE M_NEWNFSRVCACHE
|
|
#define M_NFSDCLIENT M_NEWNFSDCLIENT
|
|
#define M_NFSDSTATE M_NEWNFSDSTATE
|
|
#define M_NFSDLOCK M_NEWNFSDLOCK
|
|
#define M_NFSDLOCKFILE M_NEWNFSDLOCKFILE
|
|
#define M_NFSSTRING M_NEWNFSSTRING
|
|
#define M_NFSUSERGROUP M_NEWNFSUSERGROUP
|
|
#define M_NFSDREQ M_NEWNFSDREQ
|
|
#define M_NFSFH M_NEWNFSFH
|
|
#define M_NFSCLOWNER M_NEWNFSCLOWNER
|
|
#define M_NFSCLOPEN M_NEWNFSCLOPEN
|
|
#define M_NFSCLDELEG M_NEWNFSCLDELEG
|
|
#define M_NFSCLCLIENT M_NEWNFSCLCLIENT
|
|
#define M_NFSCLLOCKOWNER M_NEWNFSCLLOCKOWNER
|
|
#define M_NFSCLLOCK M_NEWNFSCLLOCK
|
|
#define M_NFSDIROFF M_NEWNFSDIROFF
|
|
#define M_NFSV4NODE M_NEWNFSV4NODE
|
|
#define M_NFSDIRECTIO M_NEWNFSDIRECTIO
|
|
|
|
#define NFSINT_SIGMASK(set) \
|
|
(SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \
|
|
SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \
|
|
SIGISMEMBER(set, SIGQUIT))
|
|
|
|
/*
|
|
* Convert a quota block count to byte count.
|
|
*/
|
|
#define NFSQUOTABLKTOBYTE(q, b) (q) *= (b)
|
|
|
|
/*
|
|
* Define this as the largest file size supported. (It should probably
|
|
* be available via a VFS_xxx Op, but it isn't.
|
|
*/
|
|
#define NFSRV_MAXFILESIZE ((u_int64_t)0x800000000000)
|
|
|
|
/*
|
|
* Set this macro to index() or strchr(), whichever is supported.
|
|
*/
|
|
#define STRCHR(s, c) index((s), (c))
|
|
|
|
/*
|
|
* Set the n_time in the client write rpc, as required.
|
|
*/
|
|
#define NFSWRITERPC_SETTIME(w, n, v4) \
|
|
do { \
|
|
if (w) { \
|
|
(n)->n_mtime = (n)->n_vattr.na_vattr.va_mtime; \
|
|
if (v4) \
|
|
(n)->n_change = (n)->n_vattr.na_vattr.va_filerev; \
|
|
} \
|
|
} while (0)
|
|
|
|
/*
|
|
* Fake value, just to make the client work.
|
|
*/
|
|
#define NFS_LATTR_NOSHRINK 1
|
|
|
|
/*
|
|
* Prototypes for functions where the arguments vary for different ports.
|
|
*/
|
|
int nfscl_loadattrcache(struct vnode **, struct nfsvattr *, void *, void *,
|
|
int, int);
|
|
void newnfs_realign(struct mbuf **);
|
|
|
|
/*
|
|
* If the port runs on an SMP box that can enforce Atomic ops with low
|
|
* overheads, define these as atomic increments/decrements. If not,
|
|
* don't worry about it, since these are used for stats that can be
|
|
* "out by one" without disastrous consequences.
|
|
*/
|
|
#define NFSINCRGLOBAL(a) ((a)++)
|
|
|
|
/*
|
|
* Assorted funky stuff to make things work under Darwin8.
|
|
*/
|
|
/*
|
|
* These macros checks for a field in vattr being set.
|
|
*/
|
|
#define NFSATTRISSET(t, v, a) ((v)->a != (t)VNOVAL)
|
|
#define NFSATTRISSETTIME(v, a) ((v)->a.tv_sec != VNOVAL)
|
|
|
|
/*
|
|
* Manipulate mount flags.
|
|
*/
|
|
#define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier */
|
|
#define NFSSTA_GOTFSINFO 0x00100000 /* Got the fsinfo */
|
|
#define NFSSTA_TIMEO 0x10000000 /* Experiencing a timeout */
|
|
#define NFSSTA_LOCKTIMEO 0x20000000 /* Experiencing a lockd timeout */
|
|
#define NFSSTA_HASSETFSID 0x40000000 /* Has set the fsid */
|
|
|
|
#define NFSHASNFSV3(n) ((n)->nm_flag & NFSMNT_NFSV3)
|
|
#define NFSHASNFSV4(n) ((n)->nm_flag & NFSMNT_NFSV4)
|
|
#define NFSHASNFSV3OR4(n) ((n)->nm_flag & (NFSMNT_NFSV3 | NFSMNT_NFSV4))
|
|
#define NFSHASGOTFSINFO(n) ((n)->nm_state & NFSSTA_GOTFSINFO)
|
|
#define NFSHASHASSETFSID(n) ((n)->nm_state & NFSSTA_HASSETFSID)
|
|
#define NFSHASSTRICT3530(n) ((n)->nm_flag & NFSMNT_STRICT3530)
|
|
#define NFSHASWRITEVERF(n) ((n)->nm_state & NFSSTA_HASWRITEVERF)
|
|
#define NFSHASINT(n) ((n)->nm_flag & NFSMNT_INT)
|
|
#define NFSHASSOFT(n) ((n)->nm_flag & NFSMNT_SOFT)
|
|
#define NFSHASINTORSOFT(n) ((n)->nm_flag & (NFSMNT_INT | NFSMNT_SOFT))
|
|
#define NFSHASDUMBTIMR(n) ((n)->nm_flag & NFSMNT_DUMBTIMR)
|
|
#define NFSHASNOCONN(n) ((n)->nm_flag & NFSMNT_MNTD)
|
|
#define NFSHASKERB(n) ((n)->nm_flag & NFSMNT_KERB)
|
|
#define NFSHASALLGSSNAME(n) ((n)->nm_flag & NFSMNT_ALLGSSNAME)
|
|
#define NFSHASINTEGRITY(n) ((n)->nm_flag & NFSMNT_INTEGRITY)
|
|
#define NFSHASPRIVACY(n) ((n)->nm_flag & NFSMNT_PRIVACY)
|
|
#define NFSSETWRITEVERF(n) ((n)->nm_state |= NFSSTA_HASWRITEVERF)
|
|
#define NFSSETHASSETFSID(n) ((n)->nm_state |= NFSSTA_HASSETFSID)
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
#define NFSHASNFS4ACL(m) nfs_supportsnfsv4acls(m)
|
|
int nfs_supportsnfsv4acls(struct mount *);
|
|
#else
|
|
#define NFSHASNFS4ACL(m) 0
|
|
#endif
|
|
|
|
/*
|
|
* Gets the stats field out of the mount structure.
|
|
*/
|
|
#define vfs_statfs(m) (&((m)->mnt_stat))
|
|
|
|
/*
|
|
* Set boottime.
|
|
*/
|
|
#define NFSSETBOOTTIME(b) ((b) = boottime)
|
|
|
|
/*
|
|
* The size of directory blocks in the buffer cache.
|
|
* MUST BE in the range of PAGE_SIZE <= NFS_DIRBLKSIZ <= MAXBSIZE!!
|
|
*/
|
|
#define NFS_DIRBLKSIZ (16 * DIRBLKSIZ) /* Must be a multiple of DIRBLKSIZ */
|
|
|
|
/*
|
|
* Define these macros to access mnt_flag fields.
|
|
*/
|
|
#define NFSMNT_RDONLY(m) ((m)->mnt_flag & MNT_RDONLY)
|
|
#endif /* _KERNEL */
|
|
|
|
/*
|
|
* Define a structure similar to ufs_args for use in exporting the V4 root.
|
|
*/
|
|
struct nfsex_args {
|
|
char *fspec;
|
|
struct export_args export;
|
|
};
|
|
|
|
/*
|
|
* These export flags should be defined, but there are no bits left.
|
|
* Maybe a separate mnt_exflag field could be added or the mnt_flag
|
|
* field increased to 64 bits?
|
|
*/
|
|
#ifndef MNT_EXSTRICTACCESS
|
|
#define MNT_EXSTRICTACCESS 0x0
|
|
#endif
|
|
#ifndef MNT_EXV4ONLY
|
|
#define MNT_EXV4ONLY 0x0
|
|
#endif
|
|
|
|
#ifdef _KERNEL
|
|
/*
|
|
* Define this to invalidate the attribute cache for the nfs node.
|
|
*/
|
|
#define NFSINVALATTRCACHE(n) ((n)->n_attrstamp = 0)
|
|
|
|
/* Used for FreeBSD only */
|
|
void nfsd_mntinit(void);
|
|
|
|
/*
|
|
* Define these for vnode lock/unlock ops.
|
|
*/
|
|
#define NFSVOPLOCK(v, f, p) vn_lock((v), (f))
|
|
#define NFSVOPUNLOCK(v, f, p) VOP_UNLOCK((v), (f))
|
|
#define NFSVOPISLOCKED(v, p) VOP_ISLOCKED((v))
|
|
|
|
/*
|
|
* Define ncl_hash().
|
|
*/
|
|
#define ncl_hash(f, l) (fnv_32_buf((f), (l), FNV1_32_INIT))
|
|
|
|
int newnfs_iosize(struct nfsmount *);
|
|
|
|
#ifdef NFS_DEBUG
|
|
|
|
extern int nfs_debug;
|
|
#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */
|
|
#define NFS_DEBUG_WG 2 /* server write gathering */
|
|
#define NFS_DEBUG_RC 4 /* server request caching */
|
|
|
|
#define NFS_DPF(cat, args) \
|
|
do { \
|
|
if (nfs_debug & NFS_DEBUG_##cat) printf args; \
|
|
} while (0)
|
|
|
|
#else
|
|
|
|
#define NFS_DPF(cat, args)
|
|
|
|
#endif
|
|
|
|
int newnfs_vncmpf(struct vnode *, void *);
|
|
|
|
#ifndef NFS_MINDIRATTRTIMO
|
|
#define NFS_MINDIRATTRTIMO 3 /* VDIR attrib cache timeout in sec */
|
|
#endif
|
|
#ifndef NFS_MAXDIRATTRTIMO
|
|
#define NFS_MAXDIRATTRTIMO 60
|
|
#endif
|
|
|
|
/*
|
|
* Nfs outstanding request list element
|
|
*/
|
|
struct nfsreq {
|
|
TAILQ_ENTRY(nfsreq) r_chain;
|
|
u_int32_t r_flags; /* flags on request, see below */
|
|
struct nfsmount *r_nmp; /* Client mnt ptr */
|
|
struct mtx r_mtx; /* Mutex lock for this structure */
|
|
};
|
|
|
|
#ifndef NFS_MAXBSIZE
|
|
#define NFS_MAXBSIZE MAXBSIZE
|
|
#endif
|
|
|
|
/*
|
|
* This macro checks to see if issuing of delegations is allowed for this
|
|
* vnode.
|
|
*/
|
|
#ifdef VV_DISABLEDELEG
|
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#define NFSVNO_DELEGOK(v) \
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((v) == NULL || ((v)->v_vflag & VV_DISABLEDELEG) == 0)
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#else
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#define NFSVNO_DELEGOK(v) (1)
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#endif
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/*
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* Define this as the flags argument for msleep() when catching signals
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* while holding a resource that other threads would block for, such as
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* a vnode lock.
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*/
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#define NFS_PCATCH (PCATCH | PBDRY)
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#endif /* _KERNEL */
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#endif /* _NFSPORT_NFS_H */
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