WebSVN - shark - Blame - Rev 1618 - /shark/branches/xen/drivers/linuxc26/include/linux/nfs

Rev	Author	Line No.	Line
422	giacomo	1	#ifndef _LINUX_NFS_XDR_H
		2	#define _LINUX_NFS_XDR_H
		3
		4	#include <linux/sunrpc/xprt.h>
		5
		6	struct nfs_fattr {
		7	unsigned short valid; /* which fields are valid */
		8	__u64 pre_size; /* pre_op_attr.size */
		9	struct timespec pre_mtime; /* pre_op_attr.mtime */
		10	struct timespec pre_ctime; /* pre_op_attr.ctime */
		11	enum nfs_ftype type; /* always use NFSv2 types */
		12	__u32 mode;
		13	__u32 nlink;
		14	__u32 uid;
		15	__u32 gid;
		16	__u64 size;
		17	union {
		18	struct {
		19	__u32 blocksize;
		20	__u32 blocks;
		21	} nfs2;
		22	struct {
		23	__u64 used;
		24	} nfs3;
		25	} du;
		26	dev_t rdev;
		27	union {
		28	__u64 nfs3; /* also nfs2 */
		29	struct {
		30	__u64 major;
		31	__u64 minor;
		32	} nfs4;
		33	} fsid_u;
		34	__u64 fileid;
		35	struct timespec atime;
		36	struct timespec mtime;
		37	struct timespec ctime;
		38	__u32 bitmap[2]; /* NFSv4 returned attribute bitmap */
		39	__u64 change_attr; /* NFSv4 change attribute */
		40	__u64 pre_change_attr;/* pre-op NFSv4 change attribute */
		41	unsigned long timestamp;
		42	};
		43
		44	#define NFS_ATTR_WCC 0x0001 /* pre-op WCC data */
		45	#define NFS_ATTR_FATTR 0x0002 /* post-op attributes */
		46	#define NFS_ATTR_FATTR_V3 0x0004 /* NFSv3 attributes */
		47	#define NFS_ATTR_FATTR_V4 0x0008
		48	#define NFS_ATTR_PRE_CHANGE 0x0010
		49
		50	/*
		51	* Info on the file system
		52	*/
		53	struct nfs_fsinfo {
		54	struct nfs_fattr fattr; / Post-op attributes */
		55	__u32 rtmax; /* max. read transfer size */
		56	__u32 rtpref; /* pref. read transfer size */
		57	__u32 rtmult; /* reads should be multiple of this */
		58	__u32 wtmax; /* max. write transfer size */
		59	__u32 wtpref; /* pref. write transfer size */
		60	__u32 wtmult; /* writes should be multiple of this */
		61	__u32 dtpref; /* pref. readdir transfer size */
		62	__u64 maxfilesize;
		63	__u32 lease_time; /* in seconds */
		64	};
		65
		66	struct nfs_fsstat {
		67	struct nfs_fattr fattr; / Post-op attributes */
		68	__u64 tbytes; /* total size in bytes */
		69	__u64 fbytes; /* # of free bytes */
		70	__u64 abytes; /* # of bytes available to user */
		71	__u64 tfiles; /* # of files */
		72	__u64 ffiles; /* # of free files */
		73	__u64 afiles; /* # of files available to user */
		74	};
		75
		76	struct nfs2_fsstat {
		77	__u32 tsize; /* Server transfer size */
		78	__u32 bsize; /* Filesystem block size */
		79	__u32 blocks; /* No. of "bsize" blocks on filesystem */
		80	__u32 bfree; /* No. of free "bsize" blocks */
		81	__u32 bavail; /* No. of available "bsize" blocks */
		82	};
		83
		84	struct nfs_pathconf {
		85	struct nfs_fattr fattr; / Post-op attributes */
		86	__u32 max_link; /* max # of hard links */
		87	__u32 max_namelen; /* max name length */
		88	};
		89
		90	/*
		91	* Arguments to the open call.
		92	*/
		93	struct nfs_openargs {
		94	struct nfs_fh * fh;
		95	__u32 seqid;
		96	__u32 share_access;
		97	__u64 clientid;
		98	__u32 id;
		99	__u32 opentype;
		100	__u32 createmode;
		101	union {
		102	struct iattr * attrs; /* UNCHECKED, GUARDED */
		103	nfs4_verifier verifier; /* EXCLUSIVE */
		104	} u;
		105	struct qstr * name;
		106	struct nfs4_getattr * f_getattr;
		107	struct nfs4_getattr * d_getattr;
		108	struct nfs_server * server; /* Needed for ID mapping */
		109	};
		110
		111	struct nfs_openres {
		112	__u32 status;
		113	nfs4_stateid stateid;
		114	struct nfs_fh fh;
		115	struct nfs4_change_info * cinfo;
		116	__u32 rflags;
		117	struct nfs4_getattr * f_getattr;
		118	struct nfs4_getattr * d_getattr;
		119	struct nfs_server * server;
		120	};
		121
		122	/*
		123	* Arguments to the open_confirm call.
		124	*/
		125	struct nfs_open_confirmargs {
		126	struct nfs_fh * fh;
		127	nfs4_stateid stateid;
		128	__u32 seqid;
		129	};
		130
		131	struct nfs_open_confirmres {
		132	__u32 status;
		133	nfs4_stateid stateid;
		134	};
		135
		136	/*
		137	* Arguments to the close call.
		138	*/
		139	struct nfs_closeargs {
		140	struct nfs_fh * fh;
		141	nfs4_stateid stateid;
		142	__u32 seqid;
		143	};
		144
		145	struct nfs_closeres {
		146	__u32 status;
		147	nfs4_stateid stateid;
		148	};
		149
		150
		151	/*
		152	* Arguments to the read call.
		153	*/
		154
		155	#define NFS_READ_MAXIOV (9U)
		156	#if (NFS_READ_MAXIOV > (MAX_IOVEC -2))
		157	#error "NFS_READ_MAXIOV is too large"
		158	#endif
		159
		160	struct nfs_readargs {
		161	struct nfs_fh * fh;
		162	nfs4_stateid stateid;
		163	__u64 offset;
		164	__u32 count;
		165	unsigned int pgbase;
		166	struct page ** pages;
		167	};
		168
		169	struct nfs_readres {
		170	struct nfs_fattr * fattr;
		171	__u32 count;
		172	int eof;
		173	};
		174
		175	/*
		176	* Arguments to the write call.
		177	*/
		178	#define NFS_WRITE_MAXIOV (9U)
		179	#if (NFS_WRITE_MAXIOV > (MAX_IOVEC -2))
		180	#error "NFS_WRITE_MAXIOV is too large"
		181	#endif
		182
		183	struct nfs_writeargs {
		184	struct nfs_fh * fh;
		185	nfs4_stateid stateid;
		186	__u64 offset;
		187	__u32 count;
		188	enum nfs3_stable_how stable;
		189	unsigned int pgbase;
		190	struct page ** pages;
		191	};
		192
		193	struct nfs_writeverf {
		194	enum nfs3_stable_how committed;
		195	__u32 verifier[2];
		196	};
		197
		198	struct nfs_writeres {
		199	struct nfs_fattr * fattr;
		200	struct nfs_writeverf * verf;
		201	__u32 count;
		202	};
		203
		204	/*
		205	* Argument struct for decode_entry function
		206	*/
		207	struct nfs_entry {
		208	__u64 ino;
		209	__u64 cookie,
		210	prev_cookie;
		211	const char * name;
		212	unsigned int len;
		213	int eof;
		214	struct nfs_fh * fh;
		215	struct nfs_fattr * fattr;
		216	};
		217
		218	/*
		219	* The following types are for NFSv2 only.
		220	*/
		221	struct nfs_sattrargs {
		222	struct nfs_fh * fh;
		223	struct iattr * sattr;
		224	};
		225
		226	struct nfs_diropargs {
		227	struct nfs_fh * fh;
		228	const char * name;
		229	unsigned int len;
		230	};
		231
		232	struct nfs_createargs {
		233	struct nfs_fh * fh;
		234	const char * name;
		235	unsigned int len;
		236	struct iattr * sattr;
		237	};
		238
		239	struct nfs_renameargs {
		240	struct nfs_fh * fromfh;
		241	const char * fromname;
		242	unsigned int fromlen;
		243	struct nfs_fh * tofh;
		244	const char * toname;
		245	unsigned int tolen;
		246	};
		247
		248	struct nfs_setattrargs {
		249	struct nfs_fh * fh;
		250	nfs4_stateid stateid;
		251	struct iattr * iap;
		252	struct nfs4_getattr * attr;
		253	struct nfs_server * server; /* Needed for name mapping */
		254	};
		255
		256	struct nfs_setattrres {
		257	struct nfs4_getattr * attr;
		258	struct nfs_server * server;
		259	};
		260
		261	struct nfs_linkargs {
		262	struct nfs_fh * fromfh;
		263	struct nfs_fh * tofh;
		264	const char * toname;
		265	unsigned int tolen;
		266	};
		267
		268	struct nfs_symlinkargs {
		269	struct nfs_fh * fromfh;
		270	const char * fromname;
		271	unsigned int fromlen;
		272	const char * topath;
		273	unsigned int tolen;
		274	struct iattr * sattr;
		275	};
		276
		277	struct nfs_readdirargs {
		278	struct nfs_fh * fh;
		279	__u32 cookie;
		280	unsigned int count;
		281	struct page ** pages;
		282	};
		283
		284	struct nfs_diropok {
		285	struct nfs_fh * fh;
		286	struct nfs_fattr * fattr;
		287	};
		288
		289	struct nfs_readlinkargs {
		290	struct nfs_fh * fh;
		291	unsigned int count;
		292	struct page ** pages;
		293	};
		294
		295	struct nfs3_sattrargs {
		296	struct nfs_fh * fh;
		297	struct iattr * sattr;
		298	unsigned int guard;
		299	struct timespec guardtime;
		300	};
		301
		302	struct nfs3_diropargs {
		303	struct nfs_fh * fh;
		304	const char * name;
		305	unsigned int len;
		306	};
		307
		308	struct nfs3_accessargs {
		309	struct nfs_fh * fh;
		310	__u32 access;
		311	};
		312
		313	struct nfs3_createargs {
		314	struct nfs_fh * fh;
		315	const char * name;
		316	unsigned int len;
		317	struct iattr * sattr;
		318	enum nfs3_createmode createmode;
		319	__u32 verifier[2];
		320	};
		321
		322	struct nfs3_mkdirargs {
		323	struct nfs_fh * fh;
		324	const char * name;
		325	unsigned int len;
		326	struct iattr * sattr;
		327	};
		328
		329	struct nfs3_symlinkargs {
		330	struct nfs_fh * fromfh;
		331	const char * fromname;
		332	unsigned int fromlen;
		333	const char * topath;
		334	unsigned int tolen;
		335	struct iattr * sattr;
		336	};
		337
		338	struct nfs3_mknodargs {
		339	struct nfs_fh * fh;
		340	const char * name;
		341	unsigned int len;
		342	enum nfs3_ftype type;
		343	struct iattr * sattr;
		344	dev_t rdev;
		345	};
		346
		347	struct nfs3_renameargs {
		348	struct nfs_fh * fromfh;
		349	const char * fromname;
		350	unsigned int fromlen;
		351	struct nfs_fh * tofh;
		352	const char * toname;
		353	unsigned int tolen;
		354	};
		355
		356	struct nfs3_linkargs {
		357	struct nfs_fh * fromfh;
		358	struct nfs_fh * tofh;
		359	const char * toname;
		360	unsigned int tolen;
		361	};
		362
		363	struct nfs3_readdirargs {
		364	struct nfs_fh * fh;
		365	__u64 cookie;
		366	__u32 verf[2];
		367	int plus;
		368	unsigned int count;
		369	struct page ** pages;
		370	};
		371
		372	struct nfs3_diropres {
		373	struct nfs_fattr * dir_attr;
		374	struct nfs_fh * fh;
		375	struct nfs_fattr * fattr;
		376	};
		377
		378	struct nfs3_accessres {
		379	struct nfs_fattr * fattr;
		380	__u32 access;
		381	};
		382
		383	struct nfs3_readlinkargs {
		384	struct nfs_fh * fh;
		385	unsigned int count;
		386	struct page ** pages;
		387	};
		388
		389	struct nfs3_renameres {
		390	struct nfs_fattr * fromattr;
		391	struct nfs_fattr * toattr;
		392	};
		393
		394	struct nfs3_linkres {
		395	struct nfs_fattr * dir_attr;
		396	struct nfs_fattr * fattr;
		397	};
		398
		399	struct nfs3_readdirres {
		400	struct nfs_fattr * dir_attr;
		401	__u32 * verf;
		402	int plus;
		403	};
		404
		405	#ifdef CONFIG_NFS_V4
		406
		407	typedef u64 clientid4;
		408
		409	struct nfs4_change_info {
		410	u32 atomic;
		411	u64 before;
		412	u64 after;
		413	};
		414
		415	struct nfs4_access {
		416	u32 ac_req_access; /* request */
		417	u32 * ac_resp_supported; /* response */
		418	u32 * ac_resp_access; /* response */
		419	};
		420
		421	struct nfs4_close {
		422	char * cl_stateid; /* request */
		423	u32 cl_seqid; /* request */
		424	};
		425
		426	struct nfs4_create {
		427	u32 cr_ftype; /* request */
		428	union { /* request */
		429	struct {
		430	u32 textlen;
		431	const char * text;
		432	} symlink; /* NF4LNK */
		433	struct {
		434	u32 specdata1;
		435	u32 specdata2;
		436	} device; /* NF4BLK, NF4CHR */
		437	} u;
		438	u32 cr_namelen; /* request */
		439	const char * cr_name; /* request */
		440	struct iattr * cr_attrs; /* request */
		441	struct nfs4_change_info * cr_cinfo; /* response */
		442	};
		443	#define cr_textlen u.symlink.textlen
		444	#define cr_text u.symlink.text
		445	#define cr_specdata1 u.device.specdata1
		446	#define cr_specdata2 u.device.specdata2
		447
		448	struct nfs4_getattr {
		449	u32 * gt_bmval; /* request */
		450	struct nfs_fattr * gt_attrs; /* response */
		451	struct nfs_fsstat * gt_fsstat; /* response */
		452	struct nfs_fsinfo * gt_fsinfo; /* response */
		453	struct nfs_pathconf * gt_pathconf; /* response */
		454	};
		455
		456	struct nfs4_getfh {
		457	struct nfs_fh * gf_fhandle; /* response */
		458	};
		459
		460	struct nfs4_link {
		461	u32 ln_namelen; /* request */
		462	const char * ln_name; /* request */
		463	struct nfs4_change_info * ln_cinfo; /* response */
		464	};
		465
		466	struct nfs4_lookup {
		467	struct qstr * lo_name; /* request */
		468	};
		469
		470	struct nfs4_open {
		471	struct nfs4_client * op_client_state; /* request */
		472	u32 op_share_access; /* request */
		473	u32 op_opentype; /* request */
		474	u32 op_createmode; /* request */
		475	union { /* request */
		476	struct iattr * attrs; /* UNCHECKED, GUARDED */
		477	nfs4_verifier verifier; /* EXCLUSIVE */
		478	} u;
		479	struct qstr * op_name; /* request */
		480	char * op_stateid; /* response */
		481	struct nfs4_change_info * op_cinfo; /* response */
		482	u32 * op_rflags; /* response */
		483	};
		484	#define op_attrs u.attrs
		485	#define op_verifier u.verifier
		486
		487	struct nfs4_open_confirm {
		488	char * oc_stateid; /* request */
		489	};
		490
		491	struct nfs4_putfh {
		492	struct nfs_fh * pf_fhandle; /* request */
		493	};
		494
		495	struct nfs4_readdir {
		496	u64 rd_cookie; /* request */
		497	nfs4_verifier rd_req_verifier; /* request */
		498	u32 rd_count; /* request */
		499	u32 rd_bmval[2]; /* request */
		500	nfs4_verifier rd_resp_verifier; /* response */
		501	struct page ** rd_pages; /* zero-copy data */
		502	unsigned int rd_pgbase; /* zero-copy data */
		503	};
		504
		505	struct nfs4_readlink {
		506	u32 rl_count; /* zero-copy data */
		507	struct page ** rl_pages; /* zero-copy data */
		508	};
		509
		510	struct nfs4_remove {
		511	u32 rm_namelen; /* request */
		512	const char * rm_name; /* request */
		513	struct nfs4_change_info * rm_cinfo; /* response */
		514	};
		515
		516	struct nfs4_rename {
		517	u32 rn_oldnamelen; /* request */
		518	const char * rn_oldname; /* request */
		519	u32 rn_newnamelen; /* request */
		520	const char * rn_newname; /* request */
		521	struct nfs4_change_info * rn_src_cinfo; /* response */
		522	struct nfs4_change_info * rn_dst_cinfo; /* response */
		523	};
		524
		525	struct nfs4_setattr {
		526	char * st_stateid; /* request */
		527	struct iattr * st_iap; /* request */
		528	};
		529
		530	struct nfs4_setclientid {
		531	nfs4_verifier sc_verifier; /* request */
		532	char * sc_name; /* request */
		533	u32 sc_prog; /* request */
		534	char sc_netid[4]; /* request */
		535	char sc_uaddr[24]; /* request */
		536	u32 sc_cb_ident; /* request */
		537	struct nfs4_client * sc_state; /* response */
		538	};
		539
		540	struct nfs4_op {
		541	u32 opnum;
		542	union {
		543	struct nfs4_access access;
		544	struct nfs4_close close;
		545	struct nfs4_create create;
		546	struct nfs4_getattr getattr;
		547	struct nfs4_getfh getfh;
		548	struct nfs4_link link;
		549	struct nfs4_lookup lookup;
		550	struct nfs4_open open;
		551	struct nfs4_open_confirm open_confirm;
		552	struct nfs4_putfh putfh;
		553	struct nfs4_readdir readdir;
		554	struct nfs4_readlink readlink;
		555	struct nfs4_remove remove;
		556	struct nfs4_rename rename;
		557	struct nfs4_client * renew;
		558	struct nfs4_setattr setattr;
		559	struct nfs4_setclientid setclientid;
		560	struct nfs4_client * setclientid_confirm;
		561	} u;
		562	};
		563
		564	struct nfs4_compound {
		565	unsigned int flags; /* defined below */
		566	struct nfs_server * server;
		567
		568	/* RENEW information */
		569	int renew_index;
		570	unsigned long timestamp;
		571
		572	/* scratch variables for XDR encode/decode */
		573	int nops;
		574	u32 * p;
		575	u32 * end;
		576
		577	/* the individual COMPOUND operations */
		578	struct nfs4_op *ops;
		579
		580	/* request */
		581	int req_nops;
		582	u32 taglen;
		583	char * tag;
		584
		585	/* response */
		586	int resp_nops;
		587	int toplevel_status;
		588	};
		589
		590	#endif /* CONFIG_NFS_V4 */
		591
		592	struct nfs_read_data {
		593	int flags;
		594	struct rpc_task task;
		595	struct inode *inode;
		596	struct rpc_cred *cred;
		597	struct nfs_fattr fattr; /* fattr storage */
		598	struct list_head pages; /* Coalesced read requests */
		599	struct page *pagevec[NFS_READ_MAXIOV];
		600	struct nfs_readargs args;
		601	struct nfs_readres res;
		602	#ifdef CONFIG_NFS_V4
		603	unsigned long timestamp; /* For lease renewal */
		604	#endif
		605	};
		606
		607	struct nfs_write_data {
		608	int flags;
		609	struct rpc_task task;
		610	struct inode *inode;
		611	struct rpc_cred *cred;
		612	struct nfs_fattr fattr;
		613	struct nfs_writeverf verf;
		614	struct list_head pages; /* Coalesced requests we wish to flush */
		615	struct page *pagevec[NFS_WRITE_MAXIOV];
		616	struct nfs_writeargs args; /* argument struct */
		617	struct nfs_writeres res; /* result struct */
		618	#ifdef CONFIG_NFS_V4
		619	unsigned long timestamp; /* For lease renewal */
		620	#endif
		621	};
		622
		623	struct nfs_page;
		624
		625	/*
		626	* RPC procedure vector for NFSv2/NFSv3 demuxing
		627	*/
		628	struct nfs_rpc_ops {
		629	int version; /* Protocol version */
		630
		631	int (getroot) (struct nfs_server , struct nfs_fh *,
		632	struct nfs_fattr *);
		633	int (getattr) (struct inode , struct nfs_fattr *);
		634	int (setattr) (struct dentry , struct nfs_fattr *,
		635	struct iattr *);
		636	int (lookup) (struct inode , struct qstr *,
		637	struct nfs_fh , struct nfs_fattr );
		638	int (access) (struct inode , struct rpc_cred *, int);
		639	int (readlink)(struct inode , struct page *);
		640	int (read) (struct nfs_read_data , struct file *);
		641	int (write) (struct nfs_write_data , struct file *);
		642	int (commit) (struct nfs_write_data , struct file *);
		643	struct inode * (create) (struct inode , struct qstr *,
		644	struct iattr *, int);
		645	int (remove) (struct inode , struct qstr *);
		646	int (unlink_setup) (struct rpc_message ,
		647	struct dentry , struct qstr );
		648	int (unlink_done) (struct dentry , struct rpc_task *);
		649	int (rename) (struct inode , struct qstr *,
		650	struct inode , struct qstr );
		651	int (link) (struct inode , struct inode , struct qstr );
		652	int (symlink) (struct inode , struct qstr , struct qstr ,
		653	struct iattr , struct nfs_fh ,
		654	struct nfs_fattr *);
		655	int (mkdir) (struct inode , struct qstr , struct iattr ,
		656	struct nfs_fh , struct nfs_fattr );
		657	int (rmdir) (struct inode , struct qstr *);
		658	int (readdir) (struct dentry , struct rpc_cred *,
		659	u64, struct page *, unsigned int, int);
		660	int (mknod) (struct inode , struct qstr , struct iattr ,
		661	dev_t, struct nfs_fh , struct nfs_fattr );
		662	int (statfs) (struct nfs_server , struct nfs_fh *,
		663	struct nfs_fsstat *);
		664	int (fsinfo) (struct nfs_server , struct nfs_fh *,
		665	struct nfs_fsinfo *);
		666	int (pathconf) (struct nfs_server , struct nfs_fh *,
		667	struct nfs_pathconf *);
		668	u32 * (decode_dirent)(u32 , struct nfs_entry *, int plus);
		669	void (read_setup) (struct nfs_read_data , unsigned int count);
		670	void (write_setup) (struct nfs_write_data , unsigned int count, int how);
		671	void (commit_setup) (struct nfs_write_data , u64 start, u32 len, int how);
		672	int (file_open) (struct inode , struct file *);
		673	int (file_release) (struct inode , struct file *);
		674	void (request_init)(struct nfs_page , struct file *);
		675	int (request_compatible)(struct nfs_page , struct file , struct page );
		676	};
		677
		678	/*
		679	* NFS_CALL(getattr, inode, (fattr));
		680	* into
		681	* NFS_PROTO(inode)->getattr(fattr);
		682	*/
		683	#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
		684
		685	/*
		686	* Function vectors etc. for the NFS client
		687	*/
		688	extern struct nfs_rpc_ops nfs_v2_clientops;
		689	extern struct nfs_rpc_ops nfs_v3_clientops;
		690	extern struct nfs_rpc_ops nfs_v4_clientops;
		691	extern struct rpc_version nfs_version2;
		692	extern struct rpc_version nfs_version3;
		693	extern struct rpc_version nfs_version4;
		694	extern struct rpc_program nfs_program;
		695	extern struct rpc_stat nfs_rpcstat;
		696
		697	#endif

Subversion Repositories shark

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