diff options
Diffstat (limited to 'include/linux/nfsd/xdr4.h')
| -rw-r--r-- | include/linux/nfsd/xdr4.h | 463 |
1 files changed, 463 insertions, 0 deletions
diff --git a/include/linux/nfsd/xdr4.h b/include/linux/nfsd/xdr4.h new file mode 100644 index 000000000000..a1f5ad0be1bf --- /dev/null +++ b/include/linux/nfsd/xdr4.h @@ -0,0 +1,463 @@ +/* + * include/linux/nfsd/xdr4.h + * + * Server-side types for NFSv4. + * + * Copyright (c) 2002 The Regents of the University of Michigan. + * All rights reserved. + * + * Kendrick Smith <kmsmith@umich.edu> + * Andy Adamson <andros@umich.edu> + * + * 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. 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 ``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. + * + */ + +#ifndef _LINUX_NFSD_XDR4_H +#define _LINUX_NFSD_XDR4_H + +#include <linux/nfs4.h> + +#define NFSD4_MAX_TAGLEN 128 +#define XDR_LEN(n) (((n) + 3) & ~3) + +struct nfsd4_change_info { + u32 atomic; + u32 before_ctime_sec; + u32 before_ctime_nsec; + u32 after_ctime_sec; + u32 after_ctime_nsec; +}; + +struct nfsd4_access { + u32 ac_req_access; /* request */ + u32 ac_supported; /* response */ + u32 ac_resp_access; /* response */ +}; + +struct nfsd4_close { + u32 cl_seqid; /* request */ + stateid_t cl_stateid; /* request+response */ + struct nfs4_stateowner * cl_stateowner; /* response */ +}; + +struct nfsd4_commit { + u64 co_offset; /* request */ + u32 co_count; /* request */ + nfs4_verifier co_verf; /* response */ +}; + +struct nfsd4_create { + u32 cr_namelen; /* request */ + char * cr_name; /* request */ + u32 cr_type; /* request */ + union { /* request */ + struct { + u32 namelen; + char *name; + } link; /* NF4LNK */ + struct { + u32 specdata1; + u32 specdata2; + } dev; /* NF4BLK, NF4CHR */ + } u; + u32 cr_bmval[2]; /* request */ + struct iattr cr_iattr; /* request */ + struct nfsd4_change_info cr_cinfo; /* response */ + struct nfs4_acl *cr_acl; +}; +#define cr_linklen u.link.namelen +#define cr_linkname u.link.name +#define cr_specdata1 u.dev.specdata1 +#define cr_specdata2 u.dev.specdata2 + +struct nfsd4_delegreturn { + stateid_t dr_stateid; +}; + +struct nfsd4_getattr { + u32 ga_bmval[2]; /* request */ + struct svc_fh *ga_fhp; /* response */ +}; + +struct nfsd4_link { + u32 li_namelen; /* request */ + char * li_name; /* request */ + struct nfsd4_change_info li_cinfo; /* response */ +}; + +struct nfsd4_lock_denied { + clientid_t ld_clientid; + struct nfs4_stateowner *ld_sop; + u64 ld_start; + u64 ld_length; + u32 ld_type; +}; + +struct nfsd4_lock { + /* request */ + u32 lk_type; + u32 lk_reclaim; /* boolean */ + u64 lk_offset; + u64 lk_length; + u32 lk_is_new; + union { + struct { + u32 open_seqid; + stateid_t open_stateid; + u32 lock_seqid; + clientid_t clientid; + struct xdr_netobj owner; + } new; + struct { + stateid_t lock_stateid; + u32 lock_seqid; + } old; + } v; + + /* response */ + union { + struct { + stateid_t stateid; + } ok; + struct nfsd4_lock_denied denied; + } u; + + struct nfs4_stateowner *lk_stateowner; +}; +#define lk_new_open_seqid v.new.open_seqid +#define lk_new_open_stateid v.new.open_stateid +#define lk_new_lock_seqid v.new.lock_seqid +#define lk_new_clientid v.new.clientid +#define lk_new_owner v.new.owner +#define lk_old_lock_stateid v.old.lock_stateid +#define lk_old_lock_seqid v.old.lock_seqid + +#define lk_rflags u.ok.rflags +#define lk_resp_stateid u.ok.stateid +#define lk_denied u.denied + + +struct nfsd4_lockt { + u32 lt_type; + clientid_t lt_clientid; + struct xdr_netobj lt_owner; + u64 lt_offset; + u64 lt_length; + struct nfs4_stateowner * lt_stateowner; + struct nfsd4_lock_denied lt_denied; +}; + + +struct nfsd4_locku { + u32 lu_type; + u32 lu_seqid; + stateid_t lu_stateid; + u64 lu_offset; + u64 lu_length; + struct nfs4_stateowner *lu_stateowner; +}; + + +struct nfsd4_lookup { + u32 lo_len; /* request */ + char * lo_name; /* request */ +}; + +struct nfsd4_putfh { + u32 pf_fhlen; /* request */ + char *pf_fhval; /* request */ +}; + +struct nfsd4_open { + u32 op_claim_type; /* request */ + struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */ + u32 op_delegate_type; /* request - CLAIM_PREV only */ + stateid_t op_delegate_stateid; /* request - response */ + u32 op_create; /* request */ + u32 op_createmode; /* request */ + u32 op_bmval[2]; /* request */ + union { /* request */ + struct iattr iattr; /* UNCHECKED4,GUARDED4 */ + nfs4_verifier verf; /* EXCLUSIVE4 */ + } u; + clientid_t op_clientid; /* request */ + struct xdr_netobj op_owner; /* request */ + u32 op_seqid; /* request */ + u32 op_share_access; /* request */ + u32 op_share_deny; /* request */ + stateid_t op_stateid; /* response */ + struct nfsd4_change_info op_cinfo; /* response */ + u32 op_rflags; /* response */ + int op_truncate; /* used during processing */ + struct nfs4_stateowner *op_stateowner; /* used during processing */ + struct nfs4_acl *op_acl; +}; +#define op_iattr u.iattr +#define op_verf u.verf + +struct nfsd4_open_confirm { + stateid_t oc_req_stateid /* request */; + u32 oc_seqid /* request */; + stateid_t oc_resp_stateid /* response */; + struct nfs4_stateowner * oc_stateowner; /* response */ +}; + +struct nfsd4_open_downgrade { + stateid_t od_stateid; + u32 od_seqid; + u32 od_share_access; + u32 od_share_deny; + struct nfs4_stateowner *od_stateowner; +}; + + +struct nfsd4_read { + stateid_t rd_stateid; /* request */ + u64 rd_offset; /* request */ + u32 rd_length; /* request */ + struct kvec rd_iov[RPCSVC_MAXPAGES]; + int rd_vlen; + struct file *rd_filp; + + struct svc_rqst *rd_rqstp; /* response */ + struct svc_fh * rd_fhp; /* response */ +}; + +struct nfsd4_readdir { + u64 rd_cookie; /* request */ + nfs4_verifier rd_verf; /* request */ + u32 rd_dircount; /* request */ + u32 rd_maxcount; /* request */ + u32 rd_bmval[2]; /* request */ + struct svc_rqst *rd_rqstp; /* response */ + struct svc_fh * rd_fhp; /* response */ + + struct readdir_cd common; + u32 * buffer; + int buflen; + u32 * offset; +}; + +struct nfsd4_release_lockowner { + clientid_t rl_clientid; + struct xdr_netobj rl_owner; +}; +struct nfsd4_readlink { + struct svc_rqst *rl_rqstp; /* request */ + struct svc_fh * rl_fhp; /* request */ +}; + +struct nfsd4_remove { + u32 rm_namelen; /* request */ + char * rm_name; /* request */ + struct nfsd4_change_info rm_cinfo; /* response */ +}; + +struct nfsd4_rename { + u32 rn_snamelen; /* request */ + char * rn_sname; /* request */ + u32 rn_tnamelen; /* request */ + char * rn_tname; /* request */ + struct nfsd4_change_info rn_sinfo; /* response */ + struct nfsd4_change_info rn_tinfo; /* response */ +}; + +struct nfsd4_setattr { + stateid_t sa_stateid; /* request */ + u32 sa_bmval[2]; /* request */ + struct iattr sa_iattr; /* request */ + struct nfs4_acl *sa_acl; +}; + +struct nfsd4_setclientid { + nfs4_verifier se_verf; /* request */ + u32 se_namelen; /* request */ + char * se_name; /* request */ + u32 se_callback_prog; /* request */ + u32 se_callback_netid_len; /* request */ + char * se_callback_netid_val; /* request */ + u32 se_callback_addr_len; /* request */ + char * se_callback_addr_val; /* request */ + u32 se_callback_ident; /* request */ + clientid_t se_clientid; /* response */ + nfs4_verifier se_confirm; /* response */ +}; + +struct nfsd4_setclientid_confirm { + clientid_t sc_clientid; + nfs4_verifier sc_confirm; +}; + +/* also used for NVERIFY */ +struct nfsd4_verify { + u32 ve_bmval[2]; /* request */ + u32 ve_attrlen; /* request */ + char * ve_attrval; /* request */ +}; + +struct nfsd4_write { + stateid_t wr_stateid; /* request */ + u64 wr_offset; /* request */ + u32 wr_stable_how; /* request */ + u32 wr_buflen; /* request */ + struct kvec wr_vec[RPCSVC_MAXPAGES]; /* request */ + int wr_vlen; + + u32 wr_bytes_written; /* response */ + u32 wr_how_written; /* response */ + nfs4_verifier wr_verifier; /* response */ +}; + +struct nfsd4_op { + int opnum; + int status; + union { + struct nfsd4_access access; + struct nfsd4_close close; + struct nfsd4_commit commit; + struct nfsd4_create create; + struct nfsd4_delegreturn delegreturn; + struct nfsd4_getattr getattr; + struct svc_fh * getfh; + struct nfsd4_link link; + struct nfsd4_lock lock; + struct nfsd4_lockt lockt; + struct nfsd4_locku locku; + struct nfsd4_lookup lookup; + struct nfsd4_verify nverify; + struct nfsd4_open open; + struct nfsd4_open_confirm open_confirm; + struct nfsd4_open_downgrade open_downgrade; + struct nfsd4_putfh putfh; + struct nfsd4_read read; + struct nfsd4_readdir readdir; + struct nfsd4_readlink readlink; + struct nfsd4_remove remove; + struct nfsd4_rename rename; + clientid_t renew; + struct nfsd4_setattr setattr; + struct nfsd4_setclientid setclientid; + struct nfsd4_setclientid_confirm setclientid_confirm; + struct nfsd4_verify verify; + struct nfsd4_write write; + struct nfsd4_release_lockowner release_lockowner; + } u; + struct nfs4_replay * replay; +}; + +struct nfsd4_compoundargs { + /* scratch variables for XDR decode */ + u32 * p; + u32 * end; + struct page ** pagelist; + int pagelen; + u32 tmp[8]; + u32 * tmpp; + struct tmpbuf { + struct tmpbuf *next; + void (*release)(const void *); + void *buf; + } *to_free; + + struct svc_rqst *rqstp; + + u32 taglen; + char * tag; + u32 minorversion; + u32 opcnt; + struct nfsd4_op *ops; + struct nfsd4_op iops[8]; +}; + +struct nfsd4_compoundres { + /* scratch variables for XDR encode */ + u32 * p; + u32 * end; + struct xdr_buf * xbuf; + struct svc_rqst * rqstp; + + u32 taglen; + char * tag; + u32 opcnt; + u32 * tagp; /* where to encode tag and opcount */ +}; + +#define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs) + +static inline void +set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp) +{ + BUG_ON(!fhp->fh_pre_saved || !fhp->fh_post_saved); + cinfo->atomic = 1; + cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec; + cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec; + cinfo->after_ctime_sec = fhp->fh_post_ctime.tv_sec; + cinfo->after_ctime_nsec = fhp->fh_post_ctime.tv_nsec; +} + +int nfs4svc_encode_voidres(struct svc_rqst *, u32 *, void *); +int nfs4svc_decode_compoundargs(struct svc_rqst *, u32 *, + struct nfsd4_compoundargs *); +int nfs4svc_encode_compoundres(struct svc_rqst *, u32 *, + struct nfsd4_compoundres *); +void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *); +void nfsd4_encode_replay(struct nfsd4_compoundres *resp, struct nfsd4_op *op); +int nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp, + struct dentry *dentry, u32 *buffer, int *countp, + u32 *bmval, struct svc_rqst *); +extern int nfsd4_setclientid(struct svc_rqst *rqstp, + struct nfsd4_setclientid *setclid); +extern int nfsd4_setclientid_confirm(struct svc_rqst *rqstp, + struct nfsd4_setclientid_confirm *setclientid_confirm); +extern int nfsd4_process_open1(struct nfsd4_open *open); +extern int nfsd4_process_open2(struct svc_rqst *rqstp, + struct svc_fh *current_fh, struct nfsd4_open *open); +extern int nfsd4_open_confirm(struct svc_rqst *rqstp, + struct svc_fh *current_fh, struct nfsd4_open_confirm *oc); +extern int nfsd4_close(struct svc_rqst *rqstp, struct svc_fh *current_fh, + struct nfsd4_close *close); +extern int nfsd4_open_downgrade(struct svc_rqst *rqstp, + struct svc_fh *current_fh, struct nfsd4_open_downgrade *od); +extern int nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, + struct nfsd4_lock *lock); +extern int nfsd4_lockt(struct svc_rqst *rqstp, struct svc_fh *current_fh, + struct nfsd4_lockt *lockt); +extern int nfsd4_locku(struct svc_rqst *rqstp, struct svc_fh *current_fh, + struct nfsd4_locku *locku); +extern int +nfsd4_release_lockowner(struct svc_rqst *rqstp, + struct nfsd4_release_lockowner *rlockowner); +extern void nfsd4_release_compoundargs(struct nfsd4_compoundargs *); +extern int nfsd4_delegreturn(struct svc_rqst *rqstp, + struct svc_fh *current_fh, struct nfsd4_delegreturn *dr); +#endif + +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ |