WebSVN - shark - Blame - Rev 1618 - /shark/branches/xen/drivers/linuxc26/include/linux/nfsd/xdr4.h

Rev	Author	Line No.	Line
423	giacomo	1	/*
		2	* include/linux/nfsd/xdr4.h
		3	*
		4	* Server-side types for NFSv4.
		5	*
		6	* Copyright (c) 2002 The Regents of the University of Michigan.
		7	* All rights reserved.
		8	*
		9	* Kendrick Smith <kmsmith@umich.edu>
		10	* Andy Adamson <andros@umich.edu>
		11	*
		12	* Redistribution and use in source and binary forms, with or without
		13	* modification, are permitted provided that the following conditions
		14	* are met:
		15	*
		16	* 1. Redistributions of source code must retain the above copyright
		17	* notice, this list of conditions and the following disclaimer.
		18	* 2. Redistributions in binary form must reproduce the above copyright
		19	* notice, this list of conditions and the following disclaimer in the
		20	* documentation and/or other materials provided with the distribution.
		21	* 3. Neither the name of the University nor the names of its
		22	* contributors may be used to endorse or promote products derived
		23	* from this software without specific prior written permission.
		24	*
		25	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
		26	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
		27	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
		28	* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
		29	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
		30	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
		31	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
		32	* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
		33	* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
		34	* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
		35	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
		36	*
		37	*/
		38
		39	#ifndef _LINUX_NFSD_XDR4_H
		40	#define _LINUX_NFSD_XDR4_H
		41
		42	#define NFSD4_MAX_TAGLEN 128
		43	#define XDR_LEN(n) (((n) + 3) & ~3)
		44
		45	typedef u32 delegation_zero_t;
		46	typedef u32 delegation_boot_t;
		47	typedef u64 delegation_id_t;
		48
		49	typedef struct {
		50	delegation_zero_t ds_zero;
		51	delegation_boot_t ds_boot;
		52	delegation_id_t ds_id;
		53	} delegation_stateid_t;
		54
		55	struct nfsd4_change_info {
		56	u32 atomic;
		57	u32 before_size;
		58	u32 before_ctime;
		59	u32 after_size;
		60	u32 after_ctime;
		61	};
		62
		63	struct nfsd4_access {
		64	u32 ac_req_access; /* request */
		65	u32 ac_supported; /* response */
		66	u32 ac_resp_access; /* response */
		67	};
		68
		69	struct nfsd4_close {
		70	u32 cl_seqid; /* request */
		71	stateid_t cl_stateid; /* request+response */
		72	struct nfs4_stateowner * cl_stateowner; /* response */
		73	};
		74
		75	struct nfsd4_commit {
		76	u64 co_offset; /* request */
		77	u32 co_count; /* request */
		78	nfs4_verifier co_verf; /* response */
		79	};
		80
		81	struct nfsd4_create {
		82	u32 cr_namelen; /* request */
		83	char * cr_name; /* request */
		84	u32 cr_type; /* request */
		85	union { /* request */
		86	struct {
		87	u32 namelen;
		88	char *name;
		89	} link; /* NF4LNK */
		90	struct {
		91	u32 specdata1;
		92	u32 specdata2;
		93	} dev; /* NF4BLK, NF4CHR */
		94	} u;
		95	u32 cr_bmval[2]; /* request */
		96	struct iattr cr_iattr; /* request */
		97	struct nfsd4_change_info cr_cinfo; /* response */
		98	};
		99	#define cr_linklen u.link.namelen
		100	#define cr_linkname u.link.name
		101	#define cr_specdata1 u.dev.specdata1
		102	#define cr_specdata2 u.dev.specdata2
		103
		104	struct nfsd4_getattr {
		105	u32 ga_bmval[2]; /* request */
		106	struct svc_fh ga_fhp; / response */
		107	};
		108
		109	struct nfsd4_link {
		110	u32 li_namelen; /* request */
		111	char * li_name; /* request */
		112	struct nfsd4_change_info li_cinfo; /* response */
		113	};
		114
		115	struct nfsd4_lock_denied {
		116	struct nfs4_stateowner *ld_sop;
		117	u64 ld_start;
		118	u64 ld_length;
		119	u32 ld_type;
		120	};
		121
		122	struct nfsd4_lock {
		123	/* request */
		124	u32 lk_type;
		125	u32 lk_reclaim; /* boolean */
		126	u64 lk_offset;
		127	u64 lk_length;
		128	u32 lk_is_new;
		129	union {
		130	struct {
		131	u32 open_seqid;
		132	stateid_t open_stateid;
		133	u32 lock_seqid;
		134	clientid_t clientid;
		135	struct xdr_netobj owner;
		136	} new;
		137	struct {
		138	stateid_t lock_stateid;
		139	u32 lock_seqid;
		140	} old;
		141	} v;
		142
		143	/* response */
		144	union {
		145	struct {
		146	stateid_t stateid;
		147	} ok;
		148	struct nfsd4_lock_denied denied;
		149	} u;
		150
		151	struct nfs4_stateowner *lk_stateowner;
		152	};
		153	#define lk_new_open_seqid v.new.open_seqid
		154	#define lk_new_open_stateid v.new.open_stateid
		155	#define lk_new_lock_seqid v.new.lock_seqid
		156	#define lk_new_clientid v.new.clientid
		157	#define lk_new_owner v.new.owner
		158	#define lk_old_lock_stateid v.old.lock_stateid
		159	#define lk_old_lock_seqid v.old.lock_seqid
		160
		161	#define lk_rflags u.ok.rflags
		162	#define lk_resp_stateid u.ok.stateid
		163	#define lk_denied u.denied
		164
		165
		166	struct nfsd4_lockt {
		167	u32 lt_type;
		168	clientid_t lt_clientid;
		169	struct xdr_netobj lt_owner;
		170	u64 lt_offset;
		171	u64 lt_length;
		172	struct nfs4_stateowner * lt_stateowner;
		173	struct nfsd4_lock_denied lt_denied;
		174	};
		175
		176
		177	struct nfsd4_locku {
		178	u32 lu_type;
		179	u32 lu_seqid;
		180	stateid_t lu_stateid;
		181	u64 lu_offset;
		182	u64 lu_length;
		183	struct nfs4_stateowner *lu_stateowner;
		184	};
		185
		186
		187	struct nfsd4_lookup {
		188	u32 lo_len; /* request */
		189	char * lo_name; /* request */
		190	};
		191
		192	struct nfsd4_putfh {
		193	u32 pf_fhlen; /* request */
		194	char pf_fhval; / request */
		195	};
		196
		197	struct nfsd4_open {
		198	u32 op_claim_type; /* request */
		199	struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */
		200	u32 op_delegate_type; /* request - CLAIM_PREV only */
		201	delegation_stateid_t op_delegate_stateid; /* request - CLAIM_DELEGATE_CUR only */
		202	u32 op_create; /* request */
		203	u32 op_createmode; /* request */
		204	u32 op_bmval[2]; /* request */
		205	union { /* request */
		206	struct iattr iattr; /* UNCHECKED4,GUARDED4 */
		207	nfs4_verifier verf; /* EXCLUSIVE4 */
		208	} u;
		209	clientid_t op_clientid; /* request */
		210	struct xdr_netobj op_owner; /* request */
		211	u32 op_seqid; /* request */
		212	u32 op_share_access; /* request */
		213	u32 op_share_deny; /* request */
		214	stateid_t op_stateid; /* response */
		215	struct nfsd4_change_info op_cinfo; /* response */
		216	u32 op_rflags; /* response */
		217	int op_truncate; /* used during processing */
		218	struct nfs4_stateowner op_stateowner; / used during processing */
		219
		220	};
		221	#define op_iattr u.iattr
		222	#define op_verf u.verf
		223
		224	struct nfsd4_open_confirm {
		225	stateid_t oc_req_stateid /* request */;
		226	u32 oc_seqid /* request */;
		227	stateid_t oc_resp_stateid /* response */;
		228	struct nfs4_stateowner * oc_stateowner; /* response */
		229	};
		230
		231	struct nfsd4_open_downgrade {
		232	stateid_t od_stateid;
		233	u32 od_seqid;
		234	u32 od_share_access;
		235	u32 od_share_deny;
		236	struct nfs4_stateowner *od_stateowner;
		237	};
		238
		239
		240	struct nfsd4_read {
		241	stateid_t rd_stateid; /* request */
		242	u64 rd_offset; /* request */
		243	u32 rd_length; /* request */
		244	struct iovec rd_iov[RPCSVC_MAXPAGES];
		245	int rd_vlen;
		246
		247	struct svc_rqst rd_rqstp; / response */
		248	struct svc_fh * rd_fhp; /* response */
		249	};
		250
		251	struct nfsd4_readdir {
		252	u64 rd_cookie; /* request */
		253	nfs4_verifier rd_verf; /* request */
		254	u32 rd_dircount; /* request */
		255	u32 rd_maxcount; /* request */
		256	u32 rd_bmval[2]; /* request */
		257	struct svc_rqst rd_rqstp; / response */
		258	struct svc_fh * rd_fhp; /* response */
		259
		260	struct readdir_cd common;
		261	u32 * buffer;
		262	int buflen;
		263	u32 * offset;
		264	};
		265
		266	struct nfsd4_readlink {
		267	struct svc_rqst rl_rqstp; / request */
		268	struct svc_fh * rl_fhp; /* request */
		269	};
		270
		271	struct nfsd4_remove {
		272	u32 rm_namelen; /* request */
		273	char * rm_name; /* request */
		274	struct nfsd4_change_info rm_cinfo; /* response */
		275	};
		276
		277	struct nfsd4_rename {
		278	u32 rn_snamelen; /* request */
		279	char * rn_sname; /* request */
		280	u32 rn_tnamelen; /* request */
		281	char * rn_tname; /* request */
		282	struct nfsd4_change_info rn_sinfo; /* response */
		283	struct nfsd4_change_info rn_tinfo; /* response */
		284	};
		285
		286	struct nfsd4_setattr {
		287	stateid_t sa_stateid; /* request */
		288	u32 sa_bmval[2]; /* request */
		289	struct iattr sa_iattr; /* request */
		290	};
		291
		292	struct nfsd4_setclientid {
		293	nfs4_verifier se_verf; /* request */
		294	u32 se_namelen; /* request */
		295	char * se_name; /* request */
		296	u32 se_callback_prog; /* request */
		297	u32 se_callback_netid_len; /* request */
		298	char * se_callback_netid_val; /* request */
		299	u32 se_callback_addr_len; /* request */
		300	char * se_callback_addr_val; /* request */
		301	u32 se_callback_ident; /* request */
		302	clientid_t se_clientid; /* response */
		303	nfs4_verifier se_confirm; /* response */
		304	};
		305
		306	struct nfsd4_setclientid_confirm {
		307	clientid_t sc_clientid;
		308	nfs4_verifier sc_confirm;
		309	};
		310
		311	/* also used for NVERIFY */
		312	struct nfsd4_verify {
		313	u32 ve_bmval[2]; /* request */
		314	u32 ve_attrlen; /* request */
		315	char * ve_attrval; /* request */
		316	};
		317
		318	struct nfsd4_write {
		319	stateid_t wr_stateid; /* request */
		320	u64 wr_offset; /* request */
		321	u32 wr_stable_how; /* request */
		322	u32 wr_buflen; /* request */
		323	struct iovec wr_vec[RPCSVC_MAXPAGES]; /* request */
		324	int wr_vlen;
		325
		326	u32 wr_bytes_written; /* response */
		327	u32 wr_how_written; /* response */
		328	nfs4_verifier wr_verifier; /* response */
		329	};
		330
		331	struct nfsd4_op {
		332	int opnum;
		333	int status;
		334	union {
		335	struct nfsd4_access access;
		336	struct nfsd4_close close;
		337	struct nfsd4_commit commit;
		338	struct nfsd4_create create;
		339	struct nfsd4_getattr getattr;
		340	struct svc_fh * getfh;
		341	struct nfsd4_link link;
		342	struct nfsd4_lock lock;
		343	struct nfsd4_lockt lockt;
		344	struct nfsd4_locku locku;
		345	struct nfsd4_lookup lookup;
		346	struct nfsd4_verify nverify;
		347	struct nfsd4_open open;
		348	struct nfsd4_open_confirm open_confirm;
		349	struct nfsd4_open_downgrade open_downgrade;
		350	struct nfsd4_putfh putfh;
		351	struct nfsd4_read read;
		352	struct nfsd4_readdir readdir;
		353	struct nfsd4_readlink readlink;
		354	struct nfsd4_remove remove;
		355	struct nfsd4_rename rename;
		356	clientid_t renew;
		357	struct nfsd4_setattr setattr;
		358	struct nfsd4_setclientid setclientid;
		359	struct nfsd4_setclientid_confirm setclientid_confirm;
		360	struct nfsd4_verify verify;
		361	struct nfsd4_write write;
		362	} u;
		363	struct nfs4_replay * replay;
		364	};
		365
		366	struct nfsd4_compoundargs {
		367	/* scratch variables for XDR decode */
		368	u32 * p;
		369	u32 * end;
		370	struct page ** pagelist;
		371	int pagelen;
		372	u32 tmp[8];
		373	u32 * tmpp;
		374	struct tmpbuf {
		375	struct tmpbuf *next;
		376	void *buf;
		377	} *to_free;
		378
		379	u32 taglen;
		380	char * tag;
		381	u32 minorversion;
		382	u32 opcnt;
		383	struct nfsd4_op *ops;
		384	struct nfsd4_op iops[8];
		385	};
		386
		387	struct nfsd4_compoundres {
		388	/* scratch variables for XDR encode */
		389	u32 * p;
		390	u32 * end;
		391	struct xdr_buf * xbuf;
		392	struct svc_rqst * rqstp;
		393
		394	u32 taglen;
		395	char * tag;
		396	u32 opcnt;
		397	u32 * tagp; /* where to encode tag and opcount */
		398	};
		399
		400	#define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs)
		401
		402	static inline void
		403	set_change_info(struct nfsd4_change_info cinfo, struct svc_fh fhp)
		404	{
		405	BUG_ON(!fhp->fh_pre_saved \|\| !fhp->fh_post_saved);
		406	cinfo->atomic = 1;
		407	cinfo->before_size = fhp->fh_pre_size;
		408	cinfo->before_ctime = fhp->fh_pre_ctime.tv_sec;
		409	cinfo->after_size = fhp->fh_post_size;
		410	cinfo->after_ctime = fhp->fh_post_ctime.tv_sec;
		411	}
		412
		413	int nfs4svc_encode_voidres(struct svc_rqst , u32 , void *);
		414	int nfs4svc_decode_compoundargs(struct svc_rqst , u32 ,
		415	struct nfsd4_compoundargs *);
		416	int nfs4svc_encode_compoundres(struct svc_rqst , u32 ,
		417	struct nfsd4_compoundres *);
		418	void nfsd4_encode_operation(struct nfsd4_compoundres , struct nfsd4_op );
		419	void nfsd4_encode_replay(struct nfsd4_compoundres resp, struct nfsd4_op op);
		420	int nfsd4_encode_fattr(struct svc_fh fhp, struct svc_export exp,
		421	struct dentry dentry, u32 buffer, int *countp,
		422	u32 *bmval);
		423	extern int nfsd4_setclientid(struct svc_rqst *rqstp,
		424	struct nfsd4_setclientid *setclid);
		425	extern int nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
		426	struct nfsd4_setclientid_confirm *setclientid_confirm);
		427	extern int nfsd4_process_open1(struct nfsd4_open *open);
		428	extern int nfsd4_process_open2(struct svc_rqst *rqstp,
		429	struct svc_fh current_fh, struct nfsd4_open open);
		430	extern int nfsd4_open_confirm(struct svc_rqst *rqstp,
		431	struct svc_fh current_fh, struct nfsd4_open_confirm oc);
		432	extern int nfsd4_close(struct svc_rqst rqstp, struct svc_fh current_fh,
		433	struct nfsd4_close *close);
		434	extern int nfsd4_open_downgrade(struct svc_rqst *rqstp,
		435	struct svc_fh current_fh, struct nfsd4_open_downgrade od);
		436	extern int nfsd4_lock(struct svc_rqst rqstp, struct svc_fh current_fh,
		437	struct nfsd4_lock *lock);
		438	extern int nfsd4_lockt(struct svc_rqst rqstp, struct svc_fh current_fh,
		439	struct nfsd4_lockt *lockt);
		440	extern int nfsd4_locku(struct svc_rqst rqstp, struct svc_fh current_fh,
		441	struct nfsd4_locku *locku);
		442	#endif
		443
		444	/*
		445	* Local variables:
		446	* c-basic-offset: 8
		447	* End:
		448	*/

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(root)/shark/branches/xen/drivers/linuxc26/include/linux/nfsd/xdr4.h - Rev 1618