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freebsd/sys/nfs4client/nfs4.h
2005-01-07 01:45:51 +00:00

261 lines
6.4 KiB
C

/* $FreeBSD$ */
/* $Id: nfs4.h,v 1.25 2003/11/05 14:58:58 rees Exp $ */
/*-
* copyright (c) 2003
* the regents of the university of michigan
* all rights reserved
*
* permission is granted to use, copy, create derivative works and redistribute
* this software and such derivative works for any purpose, so long as the name
* of the university of michigan is not used in any advertising or publicity
* pertaining to the use or distribution of this software without specific,
* written prior authorization. if the above copyright notice or any other
* identification of the university of michigan is included in any copy of any
* portion of this software, then the disclaimer below must also be included.
*
* this software is provided as is, without representation from the university
* of michigan as to its fitness for any purpose, and without warranty by the
* university of michigan of any kind, either express or implied, including
* without limitation the implied warranties of merchantability and fitness for
* a particular purpose. the regents of the university of michigan shall not be
* liable for any damages, including special, indirect, incidental, or
* consequential damages, with respect to any claim arising out of or in
* connection with the use of the software, even if it has been or is hereafter
* advised of the possibility of such damages.
*/
#ifndef _NFS4CLIENT_NFS4_H
#define _NFS4CLIENT_NFS4_H
#define NFS4_USE_RPCCLNT
#define NFS4_MINOR_VERSION 0
#define NFS_PORT 2049
#define NFS4_DEF_FILE_IO_BUFFER_SIZE 4096
#define NFS4_MAX_FILE_IO_BUFFER_SIZE 32768
#define NFS4_DEF_MAXFILESIZE 0xffffffff
#define NFS4_SUPER_MAGIC 0xF00BA4
#define NFS4FS_SILLY_RENAME 1
#define NFS4FS_STRICT_LOCKING 1
#define NFS4FS_RETRY_OLD_STATEID 1
#define NFS4FS_MIN_LEASE (1 * hz)
#define NFS4FS_DEFAULT_LEASE (30 * hz)
#define NFS4FS_MAX_LEASE (120 * hz)
#define NFS4FS_RETRY_MIN_DELAY (hz >> 4)
#define NFS4FS_RETRY_MAX_DELAY (hz << 3)
#define NFS4FS_SEMAPHORE_DELAY (hz >> 4)
#define NFS4FS_GRACE_DELAY (hz * 5)
#define NFS4FS_OLD_STATEID_DELAY (hz >> 3)
#define NFS4FS_OP_MAX 10
#define NFS4_BUFSIZE 8192
#define NFS4FS_MAX_IOV 10
#define NFS4_SETCLIENTID_MAXTRIES 5
#define NFS4_READDIR_MAXTRIES 5
#define NFS4_MAXIO 4
#define NFS4_MAX_REQUEST_SOFT 192
#define NFS4_MAX_REQUEST_HARD 256
#define NFS4_MAXCOMMIT 64
#define NFS4_READ_DELAY (2 * HZ)
#define NFS4_WRITEBACK_DELAY (5 * HZ)
#define NFS4_WRITEBACK_LOCKDELAY (60 * HZ)
#define NFS4_COMMIT_DELAY (5 * HZ)
#define RPC_SLACK_SPACE 512
struct nfs4_compound {
char *tag;
int req_nops;
uint32_t *req_nopsp;
uint32_t *req_seqidp;
uint32_t *req_stateidp[NFS4_MAXIO];
uint32_t req_nstateid;
u_int seqidused;
int rep_status;
int rep_nops;
struct nfs4_fctx *fcp;
struct vnode *curvp;
struct vnode *savevp;
struct nfsmount *nmp;
};
struct nfs4_fdata {
struct nfsnode *fd_n;
pid_t fd_pid;
};
struct nfs4_oparg_putfh {
/* filled in by caller */
/* struct dentry *dentry;*/
/* filled in by setup routine */
/* nfs_opnum4 op;*/
uint32_t fh_len;
nfsfh_t fh_val;
int nlookups;
};
struct nfs4_oparg_getattr {
struct vnode *vp;
nfsv4bitmap *bm;
struct nfsv4_fattr fa;
};
struct nfs4_oparg_getfh {
uint32_t fh_len;
nfsfh_t fh_val;
struct vnode *vp;
};
struct nfs4_oparg_lookup {
const char *name;
uint32_t namelen;
struct vnode *vp;
};
struct nfs4_oparg_setclientid {
struct nfsmount *np;
uint32_t namelen;
char *name;
char *cb_netid;
uint32_t cb_netidlen;
char *cb_univaddr;
uint32_t cb_univaddrlen;
uint32_t cb_prog;
uint64_t clientid;
u_char verf[NFSX_V4VERF];
};
struct nfs4_oparg_access {
uint32_t mode;
uint32_t rmode;
uint32_t supported;
};
struct nfs4_oparg_open {
uint32_t flags;
uint32_t rflags;
nfsv4cltype ctype;
struct vattr *vap;
struct componentname *cnp;
struct nfs4_fctx *fcp;
char stateid[NFSX_V4STATEID];
};
struct nfs4_oparg_read {
uint64_t off;
uint32_t maxcnt;
uint32_t eof;
uint32_t retlen;
struct uio *uiop;
struct nfs4_fctx *fcp;
};
struct nfs4_oparg_write {
uint64_t off;
uint32_t stable;
uint32_t cnt;
uint32_t retlen;
uint32_t committed;
struct uio *uiop;
u_char wverf[NFSX_V4VERF];
struct nfs4_fctx *fcp;
};
struct nfs4_oparg_commit {
uint32_t len;
off_t start;
u_char verf[NFSX_V4VERF];
};
struct nfs4_oparg_readdir {
uint32_t cnt;
nfsv4bitmap *bm;
uint64_t cookie;
u_char verf[NFSX_V4VERF];
};
struct nfs4_oparg_create {
nfstype type;
char *linktext;
char *name;
uint32_t namelen;
struct vattr *vap;
};
struct nfs4_oparg_rename {
const char *fname;
uint32_t fnamelen;
const char *tname;
uint32_t tnamelen;
};
struct nfs4_oparg_link {
const char *name;
uint32_t namelen;
};
/*
* Lockowner
*/
struct nfs4_lowner {
uint32_t lo_cnt;
uint32_t lo_seqid;
uint32_t lo_id;
};
#define NFS4_SEQIDMUTATINGERROR(err) \
(((err) != NFSERR_STALE_CLIENTID) && \
((err) != NFSERR_BAD_SEQID) && \
((err) != NFSERR_STALE_STATEID) && \
((err) != NFSERR_BAD_STATEID))
/* Standard bitmasks */
extern nfsv4bitmap nfsv4_fsinfobm;
extern nfsv4bitmap nfsv4_fsattrbm;
extern nfsv4bitmap nfsv4_getattrbm;
extern nfsv4bitmap nfsv4_readdirbm;
vfs_init_t nfs4_init;
vfs_uninit_t nfs4_uninit;
uint32_t nfs_v4fileid4_to_fileid(uint64_t);
int nfs4_readrpc(struct vnode *, struct uio *, struct ucred *);
int nfs4_writerpc(struct vnode *, struct uio *, struct ucred *, int *,
int *);
int nfs4_commit(struct vnode *vp, u_quad_t offset, int cnt,
struct ucred *cred, struct thread *td);
int nfs4_readdirrpc(struct vnode *, struct uio *, struct ucred *);
int nfs4_readlinkrpc(struct vnode *, struct uio *, struct ucred *);
int nfs4_sigintr(struct nfsmount *, struct nfsreq *, struct thread *);
int nfs4_writebp(struct buf *, int, struct thread *);
int nfs4_request(struct vnode *, struct mbuf *, int, struct thread *,
struct ucred *, struct mbuf **, struct mbuf **, caddr_t *);
int nfs4_request_mnt(struct nfsmount *, struct mbuf *, int, struct thread *,
struct ucred *, struct mbuf **, struct mbuf **, caddr_t *);
int nfs4_connect(struct nfsmount *);
void nfs4_disconnect(struct nfsmount *);
void nfs4_safedisconnect(struct nfsmount *);
int nfs4_nmcancelreqs(struct nfsmount *);
void nfs_v4initcompound(struct nfs4_compound *);
int nfs_v4postop(struct nfs4_compound *, int);
int nfs_v4handlestatus(int, struct nfs4_compound *);
#endif /* _NFS4CLIENT_NFS4_H */