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/* * 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; /* The lk_replay_owner is the open owner in the open_to_lock_owner * case and the lock owner otherwise: */ struct nfs4_stateowner *lk_replay_owner; }; #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 */ u32 op_recall; /* recall */ 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, struct nfs4_stateowner **); extern int nfsd4_close(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_close *close, struct nfs4_stateowner **replay_owner); extern int nfsd4_open_downgrade(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open_downgrade *od, struct nfs4_stateowner **replay_owner); extern int nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock *lock, struct nfs4_stateowner **replay_owner); 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, struct nfs4_stateowner **replay_owner); 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: */