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Diffstat (limited to 'sys/fs/nfs/nfsport.h')
| -rw-r--r-- | sys/fs/nfs/nfsport.h | 751 |
1 files changed, 751 insertions, 0 deletions
diff --git a/sys/fs/nfs/nfsport.h b/sys/fs/nfs/nfsport.h new file mode 100644 index 0000000..e4b3d0a --- /dev/null +++ b/sys/fs/nfs/nfsport.h @@ -0,0 +1,751 @@ +/*- + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Rick Macklem at The University of Guelph. + * + * 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. + * 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. + * + * $FreeBSD$ + */ + +#ifndef _NFS_NFSPORT_H_ +#define _NFSPORT_NFS_H_ + +/* + * In general, I'm not fond of #includes in .h files, but this seems + * to be the cleanest way to handle #include files for the ports. + */ +#ifdef _KERNEL +#include <sys/unistd.h> +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/conf.h> +#include <sys/dirent.h> +#include <sys/domain.h> +#include <sys/fcntl.h> +#include <sys/file.h> +#include <sys/filedesc.h> +#include <sys/kernel.h> +#include <sys/lockf.h> +#include <sys/malloc.h> +#include <sys/mbuf.h> +#include <sys/mount.h> +#include <sys/namei.h> +#include <sys/proc.h> +#include <sys/protosw.h> +#include <sys/reboot.h> +#include <sys/resourcevar.h> +#include <sys/signalvar.h> +#include <sys/socket.h> +#include <sys/socketvar.h> +#include <sys/stat.h> +#include <sys/syslog.h> +#include <sys/sysproto.h> +#include <sys/time.h> +#include <sys/uio.h> +#include <sys/vnode.h> +#include <sys/bio.h> +#include <sys/buf.h> +#include <sys/acl.h> +#include <sys/module.h> +#include <sys/sysent.h> +#include <sys/syscall.h> +#include <sys/priv.h> +#include <sys/kthread.h> +#include <sys/syscallsubr.h> +#include <fs/fifofs/fifo.h> +#include <net/if.h> +#include <net/radix.h> +#include <net/route.h> +#include <net/if_dl.h> +#include <netinet/in.h> +#include <netinet/in_pcb.h> +#include <netinet/in_systm.h> +#include <netinet/in_var.h> +#include <netinet/ip.h> +#include <netinet/ip_var.h> +#include <netinet/tcp.h> +#include <netinet/tcp_fsm.h> +#include <netinet/tcp_seq.h> +#include <netinet/tcp_timer.h> +#include <netinet/tcp_var.h> +#include <netinet/vinet.h> +#include <machine/in_cksum.h> +#include <crypto/des/des.h> +#include <sys/md5.h> +#include <rpc/rpc.h> +#include <rpc/rpcclnt.h> +#include <rpc/rpcsec_gss.h> + +/* + * For Darwin, these functions should be "static" when built in a kext. + * (This is always defined as nil otherwise.) + */ +#define APPLESTATIC +#include <ufs/ufs/dir.h> +#include <ufs/ufs/quota.h> +#include <ufs/ufs/inode.h> +#include <ufs/ufs/extattr.h> +#include <ufs/ufs/ufsmount.h> +#include <vm/uma.h> +#include <vm/vm.h> +#include <vm/vm_object.h> +#include <vm/vm_extern.h> +#include <nfs/nfssvc.h> +#include "opt_nfs.h" +#include "opt_ufs.h" + +/* + * These types must be defined before the nfs includes. + */ +#define NFSSOCKADDR_T struct sockaddr * +#define NFSPROC_T struct thread +#define NFSDEV_T dev_t +#define NFSSVCARGS nfssvc_args +#ifdef NFS4_ACL_EXTATTR_NAME +#define NFSACL_T struct acl +#else +#define NFSACL_T void +#endif + +/* + * These should be defined as the types used for the corresponding VOP's + * argument type. + */ +#define NFS_ACCESS_ARGS struct vop_access_args +#define NFS_OPEN_ARGS struct vop_open_args +#define NFS_GETATTR_ARGS struct vop_getattr_args +#define NFS_LOOKUP_ARGS struct vop_lookup_args +#define NFS_READDIR_ARGS struct vop_readdir_args + +/* + * Allocate mbufs. Must succeed and never set the mbuf ptr to NULL. + */ +#define NFSMGET(m) do { \ + MGET((m), M_TRYWAIT, MT_DATA); \ + while ((m) == NULL ) { \ + (void) nfs_catnap(PZERO, "nfsmget"); \ + MGET((m), M_TRYWAIT, MT_DATA); \ + } \ + } while (0) +#define NFSMGETHDR(m) do { \ + MGETHDR((m), M_TRYWAIT, MT_DATA); \ + while ((m) == NULL ) { \ + (void) nfs_catnap(PZERO, "nfsmget"); \ + MGETHDR((m), M_TRYWAIT, MT_DATA); \ + } \ + } while (0) +#define NFSMCLGET(m, w) do { \ + MGET((m), M_TRYWAIT, MT_DATA); \ + while ((m) == NULL ) { \ + (void) nfs_catnap(PZERO, "nfsmget"); \ + MGET((m), M_TRYWAIT, MT_DATA); \ + } \ + MCLGET((m), (w)); \ + } while (0) +#define NFSMCLGETHDR(m, w) do { \ + MGETHDR((m), M_TRYWAIT, MT_DATA); \ + while ((m) == NULL ) { \ + (void) nfs_catnap(PZERO, "nfsmget"); \ + MGETHDR((m), M_TRYWAIT, MT_DATA); \ + } \ + } while (0) +#define NFSMTOD mtod + +/* + * Client side constant for size of a lockowner name. + */ +#define NFSV4CL_LOCKNAMELEN 12 + +/* + * Type for a mutex lock. + */ +#define NFSMUTEX_T struct mtx + +#include <fs/nfs/nfskpiport.h> +#include <fs/nfs/nfsdport.h> +#include <fs/nfs/rpcv2.h> +#include <fs/nfs/nfsproto.h> +#include <fs/nfs/nfs.h> +#include <fs/nfs/nfs_var.h> +#include <fs/nfs/nfsm_subs.h> +#include <fs/nfs/nfsrvcache.h> +#include <fs/nfs/nfsrvstate.h> +#include <fs/nfs/xdr_subs.h> +#include <fs/nfs/nfscl.h> +#include <fs/nfs/nfsclstate.h> +#include <fs/nfsclient/nfsargs.h> +#include <fs/nfsclient/nfsmount.h> + +/* + * Just to keep nfs_var.h happy. + */ +struct nfs_vattr { + int junk; +}; + +struct nfsvattr { + struct vattr na_vattr; + nfsattrbit_t na_suppattr; + u_int32_t na_mntonfileno; + u_int64_t na_filesid[2]; +}; + +#define na_type na_vattr.va_type +#define na_mode na_vattr.va_mode +#define na_nlink na_vattr.va_nlink +#define na_uid na_vattr.va_uid +#define na_gid na_vattr.va_gid +#define na_fsid na_vattr.va_fsid +#define na_fileid na_vattr.va_fileid +#define na_size na_vattr.va_size +#define na_blocksize na_vattr.va_blocksize +#define na_atime na_vattr.va_atime +#define na_mtime na_vattr.va_mtime +#define na_ctime na_vattr.va_ctime +#define na_gen na_vattr.va_gen +#define na_flags na_vattr.va_flags +#define na_rdev na_vattr.va_rdev +#define na_bytes na_vattr.va_bytes +#define na_filerev na_vattr.va_filerev +#define na_vaflags na_vattr.va_vaflags + +#include <fs/nfsclient/nfsnode.h> + +/* + * This is the header structure used for the lists, etc. (It has the + * above record in it. + */ +struct nfsrv_stablefirst { + LIST_HEAD(, nfsrv_stable) nsf_head; /* Head of nfsrv_stable list */ + time_t nsf_eograce; /* Time grace period ends */ + time_t *nsf_bootvals; /* Previous boottime values */ + struct file *nsf_fp; /* File table pointer */ + u_char nsf_flags; /* NFSNSF_ flags */ + struct nfsf_rec nsf_rec; /* and above first record */ +}; +#define nsf_lease nsf_rec.lease +#define nsf_numboots nsf_rec.numboots + +/* NFSNSF_xxx flags */ +#define NFSNSF_UPDATEDONE 0x01 +#define NFSNSF_GRACEOVER 0x02 +#define NFSNSF_NEEDLOCK 0x04 +#define NFSNSF_EXPIREDCLIENT 0x08 +#define NFSNSF_NOOPENS 0x10 +#define NFSNSF_OK 0x20 + +/* + * Maximum number of boot times allowed in record. Although there is + * really no need for a fixed upper bound, this serves as a sanity check + * for a corrupted file. + */ +#define NFSNSF_MAXNUMBOOTS 10000 + +/* + * This structure defines the other records in the file. The + * nst_client array is actually the size of the client string name. + */ +struct nfst_rec { + u_int16_t len; + u_char flag; + u_char client[1]; +}; +/* and the values for flag */ +#define NFSNST_NEWSTATE 0x1 +#define NFSNST_REVOKE 0x2 +#define NFSNST_GOTSTATE 0x4 + +/* + * This structure is linked onto nfsrv_stablefirst for the duration of + * reclaim. + */ +struct nfsrv_stable { + LIST_ENTRY(nfsrv_stable) nst_list; + struct nfsclient *nst_clp; + struct nfst_rec nst_rec; +}; +#define nst_timestamp nst_rec.timestamp +#define nst_len nst_rec.len +#define nst_flag nst_rec.flag +#define nst_client nst_rec.client + +/* + * 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" + +/* + * XXX - not in any system .h file, just vfs_export.c + * Network address lookup element + */ +struct netcred { + struct radix_node netc_rnodes[2]; + int netc_exflags; + struct ucred netc_anon; +}; + +/* + * 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, (int *)(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) ((m)->mnt_flag & MNT_NFS4ACLS) +#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; +}; + +/* + * Define these here, so they don't have to be in mount.h, for now. + */ +#define MNT_EXGSSKRB5 MNT_EXKERB + +/* + * 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 +#define NFSVNO_DELEGOK(v) \ + ((v) == NULL || ((v)->v_vflag & VV_DISABLEDELEG) == 0) +#else +#define NFSVNO_DELEGOK(v) (1) +#endif + +#endif /* _KERNEL */ + +#endif /* _NFSPORT_NFS_H */ |
