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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _LINUX_NFS_XDR_H
2#define _LINUX_NFS_XDR_H
3
Andreas Gruenbacherb7fa0552005-06-22 17:16:27 +00004#include <linux/nfsacl.h>
Bryan Schumaker5a5ea0d2011-03-24 17:12:29 +00005#include <linux/sunrpc/gss_api.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07006
Chuck Lever40859d72005-11-30 18:09:02 -05007/*
8 * To change the maximum rsize and wsize supported by the NFS client, adjust
9 * NFS_MAX_FILE_IO_SIZE. 64KB is a typical maximum, but some servers can
10 * support a megabyte or more. The default is left at 4096 bytes, which is
11 * reasonable for NFS over UDP.
12 */
13#define NFS_MAX_FILE_IO_SIZE (1048576U)
14#define NFS_DEF_FILE_IO_SIZE (4096U)
15#define NFS_MIN_FILE_IO_SIZE (1024U)
16
Bryan Schumaker5a5ea0d2011-03-24 17:12:29 +000017/* Forward declaration for NFS v3 */
18struct nfs4_secinfo_flavors;
19
Trond Myklebust6926afd2012-01-07 13:22:46 -050020struct nfs4_string {
21 unsigned int len;
22 char *data;
23};
24
Trond Myklebust8b4bdcf2006-06-09 09:34:19 -040025struct nfs_fsid {
26 uint64_t major;
27 uint64_t minor;
Linus Torvalds1da177e2005-04-16 15:20:36 -070028};
29
Trond Myklebust8b4bdcf2006-06-09 09:34:19 -040030/*
31 * Helper for checking equality between 2 fsids.
32 */
33static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
34{
35 return a->major == b->major && a->minor == b->minor;
36}
37
Andy Adamson88034c32012-05-23 05:02:34 -040038struct nfs4_threshold {
39 __u32 bm;
40 __u32 l_type;
41 __u64 rd_sz;
42 __u64 wr_sz;
43 __u64 rd_io_sz;
44 __u64 wr_io_sz;
45};
46
Linus Torvalds1da177e2005-04-16 15:20:36 -070047struct nfs_fattr {
Trond Myklebust9e6e70f2009-03-11 14:10:24 -040048 unsigned int valid; /* which fields are valid */
Trond Myklebustbca79472009-03-11 14:10:26 -040049 umode_t mode;
Linus Torvalds1da177e2005-04-16 15:20:36 -070050 __u32 nlink;
51 __u32 uid;
52 __u32 gid;
Richard Kennedy9fa8d662008-08-26 16:23:20 +010053 dev_t rdev;
Linus Torvalds1da177e2005-04-16 15:20:36 -070054 __u64 size;
55 union {
56 struct {
57 __u32 blocksize;
58 __u32 blocks;
59 } nfs2;
60 struct {
61 __u64 used;
62 } nfs3;
63 } du;
Trond Myklebust8b4bdcf2006-06-09 09:34:19 -040064 struct nfs_fsid fsid;
Linus Torvalds1da177e2005-04-16 15:20:36 -070065 __u64 fileid;
Trond Myklebust28331a42011-04-27 13:47:52 -040066 __u64 mounted_on_fileid;
Linus Torvalds1da177e2005-04-16 15:20:36 -070067 struct timespec atime;
68 struct timespec mtime;
69 struct timespec ctime;
Linus Torvalds1da177e2005-04-16 15:20:36 -070070 __u64 change_attr; /* NFSv4 change attribute */
71 __u64 pre_change_attr;/* pre-op NFSv4 change attribute */
Trond Myklebust1ca277d2009-03-11 14:10:25 -040072 __u64 pre_size; /* pre_op_attr.size */
73 struct timespec pre_mtime; /* pre_op_attr.mtime */
74 struct timespec pre_ctime; /* pre_op_attr.ctime */
Trond Myklebust33801142005-10-27 22:12:39 -040075 unsigned long time_start;
Trond Myklebust4704f0e2008-10-14 19:16:07 -040076 unsigned long gencount;
Trond Myklebust6926afd2012-01-07 13:22:46 -050077 struct nfs4_string *owner_name;
78 struct nfs4_string *group_name;
Andy Adamson88034c32012-05-23 05:02:34 -040079 struct nfs4_threshold *mdsthreshold; /* pNFS threshold hints */
Linus Torvalds1da177e2005-04-16 15:20:36 -070080};
81
Trond Myklebust9e6e70f2009-03-11 14:10:24 -040082#define NFS_ATTR_FATTR_TYPE (1U << 0)
83#define NFS_ATTR_FATTR_MODE (1U << 1)
84#define NFS_ATTR_FATTR_NLINK (1U << 2)
85#define NFS_ATTR_FATTR_OWNER (1U << 3)
86#define NFS_ATTR_FATTR_GROUP (1U << 4)
87#define NFS_ATTR_FATTR_RDEV (1U << 5)
88#define NFS_ATTR_FATTR_SIZE (1U << 6)
89#define NFS_ATTR_FATTR_PRESIZE (1U << 7)
90#define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
91#define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
92#define NFS_ATTR_FATTR_FSID (1U << 10)
93#define NFS_ATTR_FATTR_FILEID (1U << 11)
94#define NFS_ATTR_FATTR_ATIME (1U << 12)
95#define NFS_ATTR_FATTR_MTIME (1U << 13)
96#define NFS_ATTR_FATTR_CTIME (1U << 14)
97#define NFS_ATTR_FATTR_PREMTIME (1U << 15)
98#define NFS_ATTR_FATTR_PRECTIME (1U << 16)
99#define NFS_ATTR_FATTR_CHANGE (1U << 17)
100#define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
Chuck Lever81934dd2012-03-01 17:01:57 -0500101#define NFS_ATTR_FATTR_V4_LOCATIONS (1U << 19)
102#define NFS_ATTR_FATTR_V4_REFERRAL (1U << 20)
103#define NFS_ATTR_FATTR_MOUNTPOINT (1U << 21)
104#define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 22)
105#define NFS_ATTR_FATTR_OWNER_NAME (1U << 23)
106#define NFS_ATTR_FATTR_GROUP_NAME (1U << 24)
Trond Myklebust9e6e70f2009-03-11 14:10:24 -0400107
108#define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
109 | NFS_ATTR_FATTR_MODE \
110 | NFS_ATTR_FATTR_NLINK \
111 | NFS_ATTR_FATTR_OWNER \
112 | NFS_ATTR_FATTR_GROUP \
113 | NFS_ATTR_FATTR_RDEV \
114 | NFS_ATTR_FATTR_SIZE \
115 | NFS_ATTR_FATTR_FSID \
116 | NFS_ATTR_FATTR_FILEID \
117 | NFS_ATTR_FATTR_ATIME \
118 | NFS_ATTR_FATTR_MTIME \
Trond Myklebust3a1556e2012-04-27 13:48:18 -0400119 | NFS_ATTR_FATTR_CTIME \
120 | NFS_ATTR_FATTR_CHANGE)
Trond Myklebust9e6e70f2009-03-11 14:10:24 -0400121#define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
122 | NFS_ATTR_FATTR_BLOCKS_USED)
123#define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
124 | NFS_ATTR_FATTR_SPACE_USED)
125#define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
Trond Myklebust3a1556e2012-04-27 13:48:18 -0400126 | NFS_ATTR_FATTR_SPACE_USED)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127
128/*
129 * Info on the file system
130 */
131struct nfs_fsinfo {
132 struct nfs_fattr *fattr; /* Post-op attributes */
133 __u32 rtmax; /* max. read transfer size */
134 __u32 rtpref; /* pref. read transfer size */
135 __u32 rtmult; /* reads should be multiple of this */
136 __u32 wtmax; /* max. write transfer size */
137 __u32 wtpref; /* pref. write transfer size */
138 __u32 wtmult; /* writes should be multiple of this */
139 __u32 dtpref; /* pref. readdir transfer size */
140 __u64 maxfilesize;
Ricardo Labiaga6b967242010-10-12 16:30:05 -0700141 struct timespec time_delta; /* server time granularity */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142 __u32 lease_time; /* in seconds */
Andy Adamson504913f2010-10-20 00:17:57 -0400143 __u32 layouttype; /* supported pnfs layout driver */
Fred Isamandae100c2011-07-30 20:52:37 -0400144 __u32 blksize; /* preferred pnfs io block size */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145};
146
147struct nfs_fsstat {
148 struct nfs_fattr *fattr; /* Post-op attributes */
149 __u64 tbytes; /* total size in bytes */
150 __u64 fbytes; /* # of free bytes */
151 __u64 abytes; /* # of bytes available to user */
152 __u64 tfiles; /* # of files */
153 __u64 ffiles; /* # of free files */
154 __u64 afiles; /* # of files available to user */
155};
156
157struct nfs2_fsstat {
158 __u32 tsize; /* Server transfer size */
159 __u32 bsize; /* Filesystem block size */
160 __u32 blocks; /* No. of "bsize" blocks on filesystem */
161 __u32 bfree; /* No. of free "bsize" blocks */
162 __u32 bavail; /* No. of available "bsize" blocks */
163};
164
165struct nfs_pathconf {
166 struct nfs_fattr *fattr; /* Post-op attributes */
167 __u32 max_link; /* max # of hard links */
168 __u32 max_namelen; /* max name length */
169};
170
171struct nfs4_change_info {
172 u32 atomic;
173 u64 before;
174 u64 after;
175};
176
Trond Myklebustcee54fc2005-10-18 14:20:12 -0700177struct nfs_seqid;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400178
Andy Adamson557134a2009-04-01 09:21:53 -0400179/* nfs41 sessions channel attributes */
180struct nfs4_channel_attrs {
Andy Adamson557134a2009-04-01 09:21:53 -0400181 u32 max_rqst_sz;
182 u32 max_resp_sz;
183 u32 max_resp_sz_cached;
184 u32 max_ops;
185 u32 max_reqs;
186};
187
188/* nfs41 sessions slot seqid */
189struct nfs4_slot {
190 u32 seq_nr;
191};
192
Benny Halevy9ff71c32009-04-01 09:21:52 -0400193struct nfs4_sequence_args {
Benny Halevyf3752972009-04-01 09:22:04 -0400194 struct nfs4_session *sa_session;
Trond Myklebust45d43c22012-02-06 19:38:51 -0500195 u32 sa_slotid;
Andy Adamsonfbcd4ab2009-04-01 09:22:15 -0400196 u8 sa_cache_this;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400197};
198
199struct nfs4_sequence_res {
Benny Halevyf3752972009-04-01 09:22:04 -0400200 struct nfs4_session *sr_session;
Benny Halevydfb4f3092010-09-24 09:17:01 -0400201 struct nfs4_slot *sr_slot; /* slot used to send request */
Andy Adamsonfbcd4ab2009-04-01 09:22:15 -0400202 int sr_status; /* sequence operation status */
Richard Kennedya01878a2009-12-03 15:58:56 -0500203 unsigned long sr_renewal_time;
Alexandros Batsakis0629e372009-12-05 13:46:14 -0500204 u32 sr_status_flags;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400205};
206
Andy Adamson2050f0c2009-04-01 09:22:30 -0400207struct nfs4_get_lease_time_args {
208 struct nfs4_sequence_args la_seq_args;
209};
210
211struct nfs4_get_lease_time_res {
212 struct nfs_fsinfo *lr_fsinfo;
213 struct nfs4_sequence_res lr_seq_res;
214};
215
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400216#define PNFS_LAYOUT_MAXSIZE 4096
217
218struct nfs4_layoutdriver_data {
Weston Andros Adamson35124a02011-03-24 16:48:21 -0400219 struct page **pages;
220 __u32 pglen;
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400221 __u32 len;
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400222};
223
224struct pnfs_layout_range {
225 u32 iomode;
226 u64 offset;
227 u64 length;
228};
229
230struct nfs4_layoutget_args {
231 __u32 type;
232 struct pnfs_layout_range range;
233 __u64 minlength;
234 __u32 maxcount;
235 struct inode *inode;
236 struct nfs_open_context *ctx;
237 struct nfs4_sequence_args seq_args;
Fred Isamancf7d63f2011-01-06 11:36:25 +0000238 nfs4_stateid stateid;
Weston Andros Adamson35124a02011-03-24 16:48:21 -0400239 struct nfs4_layoutdriver_data layout;
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400240};
241
242struct nfs4_layoutget_res {
243 __u32 return_on_close;
244 struct pnfs_layout_range range;
245 __u32 type;
246 nfs4_stateid stateid;
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400247 struct nfs4_sequence_res seq_res;
Weston Andros Adamson35124a02011-03-24 16:48:21 -0400248 struct nfs4_layoutdriver_data *layoutp;
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400249};
250
251struct nfs4_layoutget {
252 struct nfs4_layoutget_args args;
253 struct nfs4_layoutget_res res;
Trond Myklebusta75b9df2011-05-11 18:00:51 -0400254 gfp_t gfp_flags;
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400255};
256
Andy Adamson7f11d8d2011-07-30 20:52:35 -0400257struct nfs4_getdevicelist_args {
258 const struct nfs_fh *fh;
259 u32 layoutclass;
260 struct nfs4_sequence_args seq_args;
261};
262
263struct nfs4_getdevicelist_res {
264 struct pnfs_devicelist *devlist;
265 struct nfs4_sequence_res seq_res;
266};
267
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400268struct nfs4_getdeviceinfo_args {
269 struct pnfs_device *pdev;
270 struct nfs4_sequence_args seq_args;
271};
272
273struct nfs4_getdeviceinfo_res {
274 struct pnfs_device *pdev;
275 struct nfs4_sequence_res seq_res;
276};
277
Andy Adamson863a3c62011-03-23 13:27:54 +0000278struct nfs4_layoutcommit_args {
279 nfs4_stateid stateid;
280 __u64 lastbytewritten;
281 struct inode *inode;
282 const u32 *bitmask;
283 struct nfs4_sequence_args seq_args;
284};
285
286struct nfs4_layoutcommit_res {
287 struct nfs_fattr *fattr;
288 const struct nfs_server *server;
289 struct nfs4_sequence_res seq_res;
Andy Adamsondb29c082011-07-30 20:52:38 -0400290 int status;
Andy Adamson863a3c62011-03-23 13:27:54 +0000291};
292
293struct nfs4_layoutcommit_data {
294 struct rpc_task task;
295 struct nfs_fattr fattr;
Peng Taoa9bae562011-07-30 20:52:33 -0400296 struct list_head lseg_list;
Andy Adamson863a3c62011-03-23 13:27:54 +0000297 struct rpc_cred *cred;
298 struct nfs4_layoutcommit_args args;
299 struct nfs4_layoutcommit_res res;
300};
301
Benny Halevycbe82602011-05-22 19:52:37 +0300302struct nfs4_layoutreturn_args {
Trond Myklebusta56aaa02011-06-15 11:59:10 -0400303 struct pnfs_layout_hdr *layout;
Benny Halevycbe82602011-05-22 19:52:37 +0300304 struct inode *inode;
305 nfs4_stateid stateid;
Trond Myklebusta56aaa02011-06-15 11:59:10 -0400306 __u32 layout_type;
Benny Halevycbe82602011-05-22 19:52:37 +0300307 struct nfs4_sequence_args seq_args;
308};
309
310struct nfs4_layoutreturn_res {
311 struct nfs4_sequence_res seq_res;
312 u32 lrs_present;
313 nfs4_stateid stateid;
314};
315
316struct nfs4_layoutreturn {
317 struct nfs4_layoutreturn_args args;
318 struct nfs4_layoutreturn_res res;
319 struct rpc_cred *cred;
320 struct nfs_client *clp;
321 int rpc_status;
322};
323
Trond Myklebust95b72eb2012-04-20 19:24:51 -0400324struct stateowner_id {
325 __u64 create_time;
326 __u32 uniquifier;
327};
328
Linus Torvalds1da177e2005-04-16 15:20:36 -0700329/*
330 * Arguments to the open call.
331 */
332struct nfs_openargs {
333 const struct nfs_fh * fh;
Trond Myklebustcee54fc2005-10-18 14:20:12 -0700334 struct nfs_seqid * seqid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700335 int open_flags;
Trond Myklebustdc0b0272008-12-23 15:21:56 -0500336 fmode_t fmode;
Weston Andros Adamson6168f622012-09-10 14:00:46 -0400337 u32 access;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700338 __u64 clientid;
Trond Myklebust95b72eb2012-04-20 19:24:51 -0400339 struct stateowner_id id;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700340 union {
Trond Myklebustd77d76f2010-06-16 09:52:27 -0400341 struct {
342 struct iattr * attrs; /* UNCHECKED, GUARDED */
343 nfs4_verifier verifier; /* EXCLUSIVE */
344 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700345 nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
Trond Myklebustbd7bf9d2008-12-23 15:21:53 -0500346 fmode_t delegation_type; /* CLAIM_PREVIOUS */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700347 } u;
348 const struct qstr * name;
349 const struct nfs_server *server; /* Needed for ID mapping */
350 const u32 * bitmask;
Trond Myklebust1549210f2012-06-05 09:16:47 -0400351 const u32 * open_bitmap;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700352 __u32 claim;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400353 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700354};
355
356struct nfs_openres {
357 nfs4_stateid stateid;
358 struct nfs_fh fh;
359 struct nfs4_change_info cinfo;
360 __u32 rflags;
361 struct nfs_fattr * f_attr;
Trond Myklebustc1d51932008-04-07 13:20:54 -0400362 struct nfs_seqid * seqid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700363 const struct nfs_server *server;
Trond Myklebustbd7bf9d2008-12-23 15:21:53 -0500364 fmode_t delegation_type;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700365 nfs4_stateid delegation;
366 __u32 do_recall;
367 __u64 maxsize;
Jeff Laytonaa53ed52007-06-05 14:49:03 -0400368 __u32 attrset[NFS4_BITMAP_SIZE];
Trond Myklebust6926afd2012-01-07 13:22:46 -0500369 struct nfs4_string *owner;
370 struct nfs4_string *group_owner;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400371 struct nfs4_sequence_res seq_res;
Weston Andros Adamsonae2bb032012-10-02 14:49:52 -0700372 __u32 access_request;
Weston Andros Adamson6168f622012-09-10 14:00:46 -0400373 __u32 access_supported;
374 __u32 access_result;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700375};
376
377/*
378 * Arguments to the open_confirm call.
379 */
380struct nfs_open_confirmargs {
381 const struct nfs_fh * fh;
Trond Myklebustcdd4e682006-01-03 09:55:12 +0100382 nfs4_stateid * stateid;
Trond Myklebustcee54fc2005-10-18 14:20:12 -0700383 struct nfs_seqid * seqid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700384};
385
386struct nfs_open_confirmres {
387 nfs4_stateid stateid;
Trond Myklebustc1d51932008-04-07 13:20:54 -0400388 struct nfs_seqid * seqid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700389};
390
391/*
392 * Arguments to the close call.
393 */
394struct nfs_closeargs {
395 struct nfs_fh * fh;
Trond Myklebust95121352005-10-18 14:20:12 -0700396 nfs4_stateid * stateid;
Trond Myklebustcee54fc2005-10-18 14:20:12 -0700397 struct nfs_seqid * seqid;
Trond Myklebustdc0b0272008-12-23 15:21:56 -0500398 fmode_t fmode;
Trond Myklebust516a6af2005-10-27 22:12:41 -0400399 const u32 * bitmask;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400400 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700401};
402
403struct nfs_closeres {
404 nfs4_stateid stateid;
Trond Myklebust516a6af2005-10-27 22:12:41 -0400405 struct nfs_fattr * fattr;
Trond Myklebustc1d51932008-04-07 13:20:54 -0400406 struct nfs_seqid * seqid;
Trond Myklebust516a6af2005-10-27 22:12:41 -0400407 const struct nfs_server *server;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400408 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700409};
410/*
411 * * Arguments to the lock,lockt, and locku call.
412 * */
413struct nfs_lowner {
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100414 __u64 clientid;
Trond Myklebust9f958ab2007-07-02 13:58:33 -0400415 __u64 id;
Trond Myklebustd035c362010-12-21 10:45:27 -0500416 dev_t s_dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700417};
418
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100419struct nfs_lock_args {
420 struct nfs_fh * fh;
421 struct file_lock * fl;
Trond Myklebust06735b32005-10-18 14:20:15 -0700422 struct nfs_seqid * lock_seqid;
423 nfs4_stateid * lock_stateid;
424 struct nfs_seqid * open_seqid;
425 nfs4_stateid * open_stateid;
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100426 struct nfs_lowner lock_owner;
427 unsigned char block : 1;
428 unsigned char reclaim : 1;
429 unsigned char new_lock_owner : 1;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400430 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700431};
432
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100433struct nfs_lock_res {
Trond Myklebustc1d51932008-04-07 13:20:54 -0400434 nfs4_stateid stateid;
435 struct nfs_seqid * lock_seqid;
436 struct nfs_seqid * open_seqid;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400437 struct nfs4_sequence_res seq_res;
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100438};
439
440struct nfs_locku_args {
441 struct nfs_fh * fh;
442 struct file_lock * fl;
Trond Myklebustcee54fc2005-10-18 14:20:12 -0700443 struct nfs_seqid * seqid;
Trond Myklebustfaf5f492005-10-18 14:20:15 -0700444 nfs4_stateid * stateid;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400445 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700446};
447
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100448struct nfs_locku_res {
Trond Myklebustc1d51932008-04-07 13:20:54 -0400449 nfs4_stateid stateid;
450 struct nfs_seqid * seqid;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400451 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700452};
453
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100454struct nfs_lockt_args {
455 struct nfs_fh * fh;
456 struct file_lock * fl;
457 struct nfs_lowner lock_owner;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400458 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700459};
460
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100461struct nfs_lockt_res {
462 struct file_lock * denied; /* LOCK, LOCKT failed */
Benny Halevy9ff71c32009-04-01 09:21:52 -0400463 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700464};
465
Trond Myklebustd3c7b7c2010-07-01 12:49:01 -0400466struct nfs_release_lockowner_args {
467 struct nfs_lowner lock_owner;
468};
469
Linus Torvalds1da177e2005-04-16 15:20:36 -0700470struct nfs4_delegreturnargs {
471 const struct nfs_fh *fhandle;
472 const nfs4_stateid *stateid;
Trond Myklebustfa178f22006-01-03 09:55:38 +0100473 const u32 * bitmask;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400474 struct nfs4_sequence_args seq_args;
Trond Myklebustfa178f22006-01-03 09:55:38 +0100475};
476
477struct nfs4_delegreturnres {
478 struct nfs_fattr * fattr;
479 const struct nfs_server *server;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400480 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700481};
482
483/*
484 * Arguments to the read call.
485 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700486struct nfs_readargs {
487 struct nfs_fh * fh;
488 struct nfs_open_context *context;
Trond Myklebustf11ac8d2010-06-25 16:35:53 -0400489 struct nfs_lock_context *lock_context;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700490 __u64 offset;
491 __u32 count;
492 unsigned int pgbase;
493 struct page ** pages;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400494 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700495};
496
497struct nfs_readres {
498 struct nfs_fattr * fattr;
499 __u32 count;
500 int eof;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400501 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700502};
503
504/*
505 * Arguments to the write call.
506 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700507struct nfs_writeargs {
508 struct nfs_fh * fh;
509 struct nfs_open_context *context;
Trond Myklebustf11ac8d2010-06-25 16:35:53 -0400510 struct nfs_lock_context *lock_context;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700511 __u64 offset;
512 __u32 count;
513 enum nfs3_stable_how stable;
514 unsigned int pgbase;
515 struct page ** pages;
Trond Myklebust4f9838c2005-10-27 22:12:44 -0400516 const u32 * bitmask;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400517 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700518};
519
Trond Myklebust2f2c63b2012-06-08 11:56:09 -0400520struct nfs_write_verifier {
521 char data[8];
522};
523
Linus Torvalds1da177e2005-04-16 15:20:36 -0700524struct nfs_writeverf {
Trond Myklebust2f2c63b2012-06-08 11:56:09 -0400525 struct nfs_write_verifier verifier;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700526 enum nfs3_stable_how committed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700527};
528
529struct nfs_writeres {
530 struct nfs_fattr * fattr;
531 struct nfs_writeverf * verf;
532 __u32 count;
Trond Myklebust4f9838c2005-10-27 22:12:44 -0400533 const struct nfs_server *server;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400534 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700535};
536
537/*
Fred Isaman0b7c0152012-04-20 14:47:39 -0400538 * Arguments to the commit call.
539 */
540struct nfs_commitargs {
541 struct nfs_fh *fh;
542 __u64 offset;
543 __u32 count;
544 const u32 *bitmask;
545 struct nfs4_sequence_args seq_args;
546};
547
548struct nfs_commitres {
549 struct nfs_fattr *fattr;
550 struct nfs_writeverf *verf;
551 const struct nfs_server *server;
552 struct nfs4_sequence_res seq_res;
553};
554
555/*
Trond Myklebust4fdc17b2007-07-14 15:39:57 -0400556 * Common arguments to the unlink call
557 */
558struct nfs_removeargs {
559 const struct nfs_fh *fh;
560 struct qstr name;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400561 struct nfs4_sequence_args seq_args;
Trond Myklebust4fdc17b2007-07-14 15:39:57 -0400562};
563
564struct nfs_removeres {
565 const struct nfs_server *server;
Trond Myklebustd3468902010-04-16 16:22:50 -0400566 struct nfs_fattr *dir_attr;
Trond Myklebust4fdc17b2007-07-14 15:39:57 -0400567 struct nfs4_change_info cinfo;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400568 struct nfs4_sequence_res seq_res;
Trond Myklebust4fdc17b2007-07-14 15:39:57 -0400569};
570
571/*
Jeff Layton920769f2010-09-17 17:30:25 -0400572 * Common arguments to the rename call
573 */
574struct nfs_renameargs {
575 const struct nfs_fh *old_dir;
576 const struct nfs_fh *new_dir;
577 const struct qstr *old_name;
578 const struct qstr *new_name;
Jeff Layton920769f2010-09-17 17:30:25 -0400579 struct nfs4_sequence_args seq_args;
580};
581
Jeff Laytone8582a82010-09-17 17:31:06 -0400582struct nfs_renameres {
583 const struct nfs_server *server;
584 struct nfs4_change_info old_cinfo;
585 struct nfs_fattr *old_fattr;
586 struct nfs4_change_info new_cinfo;
587 struct nfs_fattr *new_fattr;
588 struct nfs4_sequence_res seq_res;
589};
590
Jeff Layton920769f2010-09-17 17:30:25 -0400591/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700592 * Argument struct for decode_entry function
593 */
594struct nfs_entry {
595 __u64 ino;
596 __u64 cookie,
597 prev_cookie;
598 const char * name;
599 unsigned int len;
600 int eof;
601 struct nfs_fh * fh;
602 struct nfs_fattr * fattr;
Trond Myklebust0b26a0b2010-11-20 14:26:44 -0500603 unsigned char d_type;
Chuck Lever573c4e12010-12-14 14:58:11 +0000604 struct nfs_server * server;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700605};
606
607/*
608 * The following types are for NFSv2 only.
609 */
610struct nfs_sattrargs {
611 struct nfs_fh * fh;
612 struct iattr * sattr;
613};
614
615struct nfs_diropargs {
616 struct nfs_fh * fh;
617 const char * name;
618 unsigned int len;
619};
620
621struct nfs_createargs {
622 struct nfs_fh * fh;
623 const char * name;
624 unsigned int len;
625 struct iattr * sattr;
626};
627
Linus Torvalds1da177e2005-04-16 15:20:36 -0700628struct nfs_setattrargs {
629 struct nfs_fh * fh;
630 nfs4_stateid stateid;
631 struct iattr * iap;
632 const struct nfs_server * server; /* Needed for name mapping */
633 const u32 * bitmask;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400634 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700635};
636
J. Bruce Fields23ec6962005-06-22 17:16:22 +0000637struct nfs_setaclargs {
638 struct nfs_fh * fh;
639 size_t acl_len;
640 unsigned int acl_pgbase;
641 struct page ** acl_pages;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400642 struct nfs4_sequence_args seq_args;
J. Bruce Fields23ec6962005-06-22 17:16:22 +0000643};
644
Benny Halevy73c403a2009-04-01 09:22:01 -0400645struct nfs_setaclres {
646 struct nfs4_sequence_res seq_res;
647};
648
J. Bruce Fields029d1052005-06-22 17:16:22 +0000649struct nfs_getaclargs {
650 struct nfs_fh * fh;
651 size_t acl_len;
652 unsigned int acl_pgbase;
653 struct page ** acl_pages;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400654 struct nfs4_sequence_args seq_args;
J. Bruce Fields029d1052005-06-22 17:16:22 +0000655};
656
Andy Adamsonbf118a32011-12-07 11:55:27 -0500657/* getxattr ACL interface flags */
Trond Myklebust1f1ea6c2012-08-26 11:44:43 -0700658#define NFS4_ACL_TRUNC 0x0001 /* ACL was truncated */
Benny Halevy663c79b2009-04-01 09:21:59 -0400659struct nfs_getaclres {
660 size_t acl_len;
Andy Adamsonbf118a32011-12-07 11:55:27 -0500661 size_t acl_data_offset;
662 int acl_flags;
Trond Myklebust331818f2012-02-03 18:30:53 -0500663 struct page * acl_scratch;
Benny Halevy663c79b2009-04-01 09:21:59 -0400664 struct nfs4_sequence_res seq_res;
665};
666
Linus Torvalds1da177e2005-04-16 15:20:36 -0700667struct nfs_setattrres {
668 struct nfs_fattr * fattr;
669 const struct nfs_server * server;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400670 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700671};
672
673struct nfs_linkargs {
674 struct nfs_fh * fromfh;
675 struct nfs_fh * tofh;
676 const char * toname;
677 unsigned int tolen;
678};
679
680struct nfs_symlinkargs {
681 struct nfs_fh * fromfh;
682 const char * fromname;
683 unsigned int fromlen;
Chuck Lever94a6d752006-08-22 20:06:23 -0400684 struct page ** pages;
685 unsigned int pathlen;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700686 struct iattr * sattr;
687};
688
689struct nfs_readdirargs {
690 struct nfs_fh * fh;
691 __u32 cookie;
692 unsigned int count;
693 struct page ** pages;
694};
695
Andreas Gruenbacherb7fa0552005-06-22 17:16:27 +0000696struct nfs3_getaclargs {
697 struct nfs_fh * fh;
698 int mask;
699 struct page ** pages;
700};
701
702struct nfs3_setaclargs {
703 struct inode * inode;
704 int mask;
705 struct posix_acl * acl_access;
706 struct posix_acl * acl_default;
Trond Myklebustae461412009-03-10 20:33:18 -0400707 size_t len;
708 unsigned int npages;
Andreas Gruenbacherb7fa0552005-06-22 17:16:27 +0000709 struct page ** pages;
710};
711
Linus Torvalds1da177e2005-04-16 15:20:36 -0700712struct nfs_diropok {
713 struct nfs_fh * fh;
714 struct nfs_fattr * fattr;
715};
716
717struct nfs_readlinkargs {
718 struct nfs_fh * fh;
719 unsigned int pgbase;
720 unsigned int pglen;
721 struct page ** pages;
722};
723
724struct nfs3_sattrargs {
725 struct nfs_fh * fh;
726 struct iattr * sattr;
727 unsigned int guard;
728 struct timespec guardtime;
729};
730
731struct nfs3_diropargs {
732 struct nfs_fh * fh;
733 const char * name;
734 unsigned int len;
735};
736
737struct nfs3_accessargs {
738 struct nfs_fh * fh;
739 __u32 access;
740};
741
742struct nfs3_createargs {
743 struct nfs_fh * fh;
744 const char * name;
745 unsigned int len;
746 struct iattr * sattr;
747 enum nfs3_createmode createmode;
Al Virobc4785c2006-10-19 23:28:51 -0700748 __be32 verifier[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700749};
750
751struct nfs3_mkdirargs {
752 struct nfs_fh * fh;
753 const char * name;
754 unsigned int len;
755 struct iattr * sattr;
756};
757
758struct nfs3_symlinkargs {
759 struct nfs_fh * fromfh;
760 const char * fromname;
761 unsigned int fromlen;
Chuck Lever94a6d752006-08-22 20:06:23 -0400762 struct page ** pages;
763 unsigned int pathlen;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700764 struct iattr * sattr;
765};
766
767struct nfs3_mknodargs {
768 struct nfs_fh * fh;
769 const char * name;
770 unsigned int len;
771 enum nfs3_ftype type;
772 struct iattr * sattr;
773 dev_t rdev;
774};
775
Linus Torvalds1da177e2005-04-16 15:20:36 -0700776struct nfs3_linkargs {
777 struct nfs_fh * fromfh;
778 struct nfs_fh * tofh;
779 const char * toname;
780 unsigned int tolen;
781};
782
783struct nfs3_readdirargs {
784 struct nfs_fh * fh;
785 __u64 cookie;
Al Virobc4785c2006-10-19 23:28:51 -0700786 __be32 verf[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700787 int plus;
788 unsigned int count;
789 struct page ** pages;
790};
791
792struct nfs3_diropres {
793 struct nfs_fattr * dir_attr;
794 struct nfs_fh * fh;
795 struct nfs_fattr * fattr;
796};
797
798struct nfs3_accessres {
799 struct nfs_fattr * fattr;
800 __u32 access;
801};
802
803struct nfs3_readlinkargs {
804 struct nfs_fh * fh;
805 unsigned int pgbase;
806 unsigned int pglen;
807 struct page ** pages;
808};
809
Linus Torvalds1da177e2005-04-16 15:20:36 -0700810struct nfs3_linkres {
811 struct nfs_fattr * dir_attr;
812 struct nfs_fattr * fattr;
813};
814
815struct nfs3_readdirres {
816 struct nfs_fattr * dir_attr;
Al Virobc4785c2006-10-19 23:28:51 -0700817 __be32 * verf;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700818 int plus;
819};
820
Andreas Gruenbacherb7fa0552005-06-22 17:16:27 +0000821struct nfs3_getaclres {
822 struct nfs_fattr * fattr;
823 int mask;
824 unsigned int acl_access_count;
825 unsigned int acl_default_count;
826 struct posix_acl * acl_access;
827 struct posix_acl * acl_default;
828};
829
Bryan Schumaker89d77c82012-07-30 16:05:25 -0400830#if IS_ENABLED(CONFIG_NFS_V4)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700831
832typedef u64 clientid4;
833
834struct nfs4_accessargs {
835 const struct nfs_fh * fh;
Trond Myklebust76b32992007-08-10 17:45:11 -0400836 const u32 * bitmask;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700837 u32 access;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400838 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700839};
840
841struct nfs4_accessres {
Trond Myklebust76b32992007-08-10 17:45:11 -0400842 const struct nfs_server * server;
843 struct nfs_fattr * fattr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700844 u32 supported;
845 u32 access;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400846 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700847};
848
849struct nfs4_create_arg {
850 u32 ftype;
851 union {
Chuck Lever94a6d752006-08-22 20:06:23 -0400852 struct {
853 struct page ** pages;
854 unsigned int len;
855 } symlink; /* NF4LNK */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700856 struct {
857 u32 specdata1;
858 u32 specdata2;
859 } device; /* NF4BLK, NF4CHR */
860 } u;
861 const struct qstr * name;
862 const struct nfs_server * server;
863 const struct iattr * attrs;
864 const struct nfs_fh * dir_fh;
865 const u32 * bitmask;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400866 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700867};
868
869struct nfs4_create_res {
870 const struct nfs_server * server;
871 struct nfs_fh * fh;
872 struct nfs_fattr * fattr;
873 struct nfs4_change_info dir_cinfo;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400874 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700875};
876
877struct nfs4_fsinfo_arg {
878 const struct nfs_fh * fh;
879 const u32 * bitmask;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400880 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700881};
882
Benny Halevy3dda5e42009-04-01 09:21:57 -0400883struct nfs4_fsinfo_res {
884 struct nfs_fsinfo *fsinfo;
885 struct nfs4_sequence_res seq_res;
886};
887
Linus Torvalds1da177e2005-04-16 15:20:36 -0700888struct nfs4_getattr_arg {
889 const struct nfs_fh * fh;
890 const u32 * bitmask;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400891 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700892};
893
894struct nfs4_getattr_res {
895 const struct nfs_server * server;
896 struct nfs_fattr * fattr;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400897 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700898};
899
900struct nfs4_link_arg {
901 const struct nfs_fh * fh;
902 const struct nfs_fh * dir_fh;
903 const struct qstr * name;
Trond Myklebust91ba2ee2005-10-27 22:12:42 -0400904 const u32 * bitmask;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400905 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700906};
907
Trond Myklebust91ba2ee2005-10-27 22:12:42 -0400908struct nfs4_link_res {
909 const struct nfs_server * server;
910 struct nfs_fattr * fattr;
911 struct nfs4_change_info cinfo;
912 struct nfs_fattr * dir_attr;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400913 struct nfs4_sequence_res seq_res;
Trond Myklebust91ba2ee2005-10-27 22:12:42 -0400914};
915
916
Linus Torvalds1da177e2005-04-16 15:20:36 -0700917struct nfs4_lookup_arg {
918 const struct nfs_fh * dir_fh;
919 const struct qstr * name;
920 const u32 * bitmask;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400921 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700922};
923
924struct nfs4_lookup_res {
925 const struct nfs_server * server;
926 struct nfs_fattr * fattr;
927 struct nfs_fh * fh;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400928 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700929};
930
931struct nfs4_lookup_root_arg {
932 const u32 * bitmask;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400933 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700934};
935
936struct nfs4_pathconf_arg {
937 const struct nfs_fh * fh;
938 const u32 * bitmask;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400939 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700940};
941
Benny Halevyd45b2982009-04-01 09:21:58 -0400942struct nfs4_pathconf_res {
943 struct nfs_pathconf *pathconf;
944 struct nfs4_sequence_res seq_res;
945};
946
Linus Torvalds1da177e2005-04-16 15:20:36 -0700947struct nfs4_readdir_arg {
948 const struct nfs_fh * fh;
949 u64 cookie;
950 nfs4_verifier verifier;
951 u32 count;
952 struct page ** pages; /* zero-copy data */
953 unsigned int pgbase; /* zero-copy data */
954 const u32 * bitmask;
Bryan Schumaker82f2e542010-10-21 16:33:18 -0400955 int plus;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400956 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700957};
958
959struct nfs4_readdir_res {
960 nfs4_verifier verifier;
961 unsigned int pgbase;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400962 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700963};
964
965struct nfs4_readlink {
966 const struct nfs_fh * fh;
967 unsigned int pgbase;
968 unsigned int pglen; /* zero-copy data */
969 struct page ** pages; /* zero-copy data */
Benny Halevy9ff71c32009-04-01 09:21:52 -0400970 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700971};
972
Benny Halevyf50c7002009-04-01 09:21:55 -0400973struct nfs4_readlink_res {
974 struct nfs4_sequence_res seq_res;
975};
976
Trond Myklebust19d771f2008-10-08 13:54:52 -0400977#define NFS4_SETCLIENTID_NAMELEN (127)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700978struct nfs4_setclientid {
Chuck Levercc38bac2007-12-10 14:56:54 -0500979 const nfs4_verifier * sc_verifier;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700980 unsigned int sc_name_len;
Chuck Leverd1ce02e2008-09-25 11:57:12 -0400981 char sc_name[NFS4_SETCLIENTID_NAMELEN + 1];
Chuck Levercc38bac2007-12-10 14:56:54 -0500982 u32 sc_prog;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700983 unsigned int sc_netid_len;
Chuck Leverd1ce02e2008-09-25 11:57:12 -0400984 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700985 unsigned int sc_uaddr_len;
Chuck Leverd1ce02e2008-09-25 11:57:12 -0400986 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
Chuck Levercc38bac2007-12-10 14:56:54 -0500987 u32 sc_cb_ident;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700988};
989
Trond Myklebustbb8b27e2010-04-16 16:43:06 -0400990struct nfs4_setclientid_res {
991 u64 clientid;
992 nfs4_verifier confirm;
993};
994
Linus Torvalds1da177e2005-04-16 15:20:36 -0700995struct nfs4_statfs_arg {
996 const struct nfs_fh * fh;
997 const u32 * bitmask;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400998 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700999};
1000
Benny Halevy24ad1482009-04-01 09:21:56 -04001001struct nfs4_statfs_res {
1002 struct nfs_fsstat *fsstat;
1003 struct nfs4_sequence_res seq_res;
1004};
1005
Benny Halevy43652ad2009-04-01 09:21:54 -04001006struct nfs4_server_caps_arg {
1007 struct nfs_fh *fhandle;
1008 struct nfs4_sequence_args seq_args;
1009};
1010
Linus Torvalds1da177e2005-04-16 15:20:36 -07001011struct nfs4_server_caps_res {
Fred Isamandae100c2011-07-30 20:52:37 -04001012 u32 attr_bitmask[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001013 u32 acl_bitmask;
1014 u32 has_links;
1015 u32 has_symlinks;
Chuck Lever264e6352012-03-01 17:02:05 -05001016 u32 fh_expire_type;
Benny Halevy9ff71c32009-04-01 09:21:52 -04001017 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001018};
1019
Manoj Naik7aaa0b32006-06-09 09:34:23 -04001020#define NFS4_PATHNAME_MAXCOMPONENTS 512
1021struct nfs4_pathname {
1022 unsigned int ncomponents;
1023 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
1024};
1025
1026#define NFS4_FS_LOCATION_MAXSERVERS 10
1027struct nfs4_fs_location {
1028 unsigned int nservers;
1029 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
1030 struct nfs4_pathname rootpath;
1031};
1032
1033#define NFS4_FS_LOCATIONS_MAXENTRIES 10
1034struct nfs4_fs_locations {
Trond Myklebust683b57b2006-06-09 09:34:22 -04001035 struct nfs_fattr fattr;
1036 const struct nfs_server *server;
Manoj Naik7aaa0b32006-06-09 09:34:23 -04001037 struct nfs4_pathname fs_path;
Trond Myklebust683b57b2006-06-09 09:34:22 -04001038 int nlocations;
Manoj Naik7aaa0b32006-06-09 09:34:23 -04001039 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
Trond Myklebust683b57b2006-06-09 09:34:22 -04001040};
1041
1042struct nfs4_fs_locations_arg {
1043 const struct nfs_fh *dir_fh;
1044 const struct qstr *name;
1045 struct page *page;
1046 const u32 *bitmask;
Benny Halevy9ff71c32009-04-01 09:21:52 -04001047 struct nfs4_sequence_args seq_args;
Trond Myklebust683b57b2006-06-09 09:34:22 -04001048};
1049
Benny Halevy22958462009-04-01 09:22:02 -04001050struct nfs4_fs_locations_res {
1051 struct nfs4_fs_locations *fs_locations;
1052 struct nfs4_sequence_res seq_res;
1053};
1054
Bryan Schumaker5a5ea0d2011-03-24 17:12:29 +00001055struct nfs4_secinfo_oid {
1056 unsigned int len;
1057 char data[GSS_OID_MAX_LEN];
1058};
1059
1060struct nfs4_secinfo_gss {
1061 struct nfs4_secinfo_oid sec_oid4;
1062 unsigned int qop4;
1063 unsigned int service;
1064};
1065
1066struct nfs4_secinfo_flavor {
1067 unsigned int flavor;
1068 struct nfs4_secinfo_gss gss;
1069};
1070
1071struct nfs4_secinfo_flavors {
1072 unsigned int num_flavors;
1073 struct nfs4_secinfo_flavor flavors[0];
1074};
1075
1076struct nfs4_secinfo_arg {
1077 const struct nfs_fh *dir_fh;
1078 const struct qstr *name;
1079 struct nfs4_sequence_args seq_args;
1080};
1081
1082struct nfs4_secinfo_res {
1083 struct nfs4_secinfo_flavors *flavors;
1084 struct nfs4_sequence_res seq_res;
1085};
1086
Linus Torvalds1da177e2005-04-16 15:20:36 -07001087#endif /* CONFIG_NFS_V4 */
1088
Benny Halevy99fe60d2009-04-01 09:22:29 -04001089struct nfstime4 {
1090 u64 seconds;
1091 u32 nseconds;
1092};
1093
1094#ifdef CONFIG_NFS_V4_1
Fred Isamanea2cf222012-04-20 14:47:53 -04001095
1096struct pnfs_commit_bucket {
1097 struct list_head written;
1098 struct list_head committing;
1099 struct pnfs_layout_segment *wlseg;
1100 struct pnfs_layout_segment *clseg;
1101};
1102
1103struct pnfs_ds_commit_info {
1104 int nwritten;
1105 int ncommitting;
1106 int nbuckets;
1107 struct pnfs_commit_bucket *buckets;
1108};
1109
Benny Halevy99fe60d2009-04-01 09:22:29 -04001110#define NFS4_EXCHANGE_ID_LEN (48)
1111struct nfs41_exchange_id_args {
1112 struct nfs_client *client;
1113 nfs4_verifier *verifier;
1114 unsigned int id_len;
1115 char id[NFS4_EXCHANGE_ID_LEN];
1116 u32 flags;
1117};
1118
Chuck Leveracdeb692012-05-21 22:46:16 -04001119struct nfs41_server_owner {
Benny Halevy99fe60d2009-04-01 09:22:29 -04001120 uint64_t minor_id;
1121 uint32_t major_id_sz;
1122 char major_id[NFS4_OPAQUE_LIMIT];
1123};
1124
Chuck Lever79d4e1f2012-05-21 22:44:31 -04001125struct nfs41_server_scope {
Benny Halevy99fe60d2009-04-01 09:22:29 -04001126 uint32_t server_scope_sz;
1127 char server_scope[NFS4_OPAQUE_LIMIT];
1128};
1129
Weston Andros Adamson7d2ed9a2012-02-17 15:20:26 -05001130struct nfs41_impl_id {
1131 char domain[NFS4_OPAQUE_LIMIT + 1];
1132 char name[NFS4_OPAQUE_LIMIT + 1];
1133 struct nfstime4 date;
1134};
1135
Weston Andros Adamson7c44f1ae2012-05-24 13:22:50 -04001136struct nfs41_bind_conn_to_session_res {
1137 struct nfs4_session *session;
1138 u32 dir;
1139 bool use_conn_in_rdma_mode;
1140};
1141
Benny Halevy99fe60d2009-04-01 09:22:29 -04001142struct nfs41_exchange_id_res {
Trond Myklebust32b01312012-05-26 13:41:04 -04001143 u64 clientid;
1144 u32 seqid;
Benny Halevy99fe60d2009-04-01 09:22:29 -04001145 u32 flags;
Chuck Leveracdeb692012-05-21 22:46:16 -04001146 struct nfs41_server_owner *server_owner;
Chuck Lever79d4e1f2012-05-21 22:44:31 -04001147 struct nfs41_server_scope *server_scope;
Weston Andros Adamson7d2ed9a2012-02-17 15:20:26 -05001148 struct nfs41_impl_id *impl_id;
Benny Halevy99fe60d2009-04-01 09:22:29 -04001149};
Andy Adamsonfc931582009-04-01 09:22:31 -04001150
1151struct nfs41_create_session_args {
1152 struct nfs_client *client;
1153 uint32_t flags;
1154 uint32_t cb_program;
1155 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
1156 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
1157};
1158
1159struct nfs41_create_session_res {
1160 struct nfs_client *client;
1161};
Ricardo Labiaga180197532009-12-05 16:08:40 -05001162
1163struct nfs41_reclaim_complete_args {
1164 /* In the future extend to include curr_fh for use with migration */
1165 unsigned char one_fs:1;
1166 struct nfs4_sequence_args seq_args;
1167};
1168
1169struct nfs41_reclaim_complete_res {
1170 struct nfs4_sequence_res seq_res;
1171};
Bryan Schumakerfca78d62011-06-02 14:59:07 -04001172
1173#define SECINFO_STYLE_CURRENT_FH 0
1174#define SECINFO_STYLE_PARENT 1
1175struct nfs41_secinfo_no_name_args {
1176 int style;
1177 struct nfs4_sequence_args seq_args;
1178};
1179
Bryan Schumaker7d974792011-06-02 14:59:08 -04001180struct nfs41_test_stateid_args {
1181 nfs4_stateid *stateid;
1182 struct nfs4_sequence_args seq_args;
1183};
1184
1185struct nfs41_test_stateid_res {
1186 unsigned int status;
1187 struct nfs4_sequence_res seq_res;
1188};
1189
Bryan Schumaker9aeda352011-06-02 14:59:09 -04001190struct nfs41_free_stateid_args {
1191 nfs4_stateid *stateid;
1192 struct nfs4_sequence_args seq_args;
1193};
1194
1195struct nfs41_free_stateid_res {
1196 unsigned int status;
1197 struct nfs4_sequence_res seq_res;
1198};
1199
Trond Myklebust4f976152012-04-30 18:39:20 -04001200#else
1201
1202struct pnfs_ds_commit_info {
1203};
1204
Benny Halevy99fe60d2009-04-01 09:22:29 -04001205#endif /* CONFIG_NFS_V4_1 */
1206
Linus Torvalds1da177e2005-04-16 15:20:36 -07001207struct nfs_page;
1208
Chuck Lever40859d72005-11-30 18:09:02 -05001209#define NFS_PAGEVEC_SIZE (8U)
1210
Fred Isaman30dd3742012-04-20 14:47:45 -04001211struct nfs_page_array {
1212 struct page **pagevec;
1213 unsigned int npages; /* Max length of pagevec */
1214 struct page *page_array[NFS_PAGEVEC_SIZE];
1215};
1216
Linus Torvalds1da177e2005-04-16 15:20:36 -07001217struct nfs_read_data {
Fred Isamancd841602012-04-20 14:47:44 -04001218 struct nfs_pgio_header *header;
1219 struct list_head list;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001220 struct rpc_task task;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001221 struct nfs_fattr fattr; /* fattr storage */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001222 struct nfs_readargs args;
1223 struct nfs_readres res;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001224 unsigned long timestamp; /* For lease renewal */
Andy Adamsoncbdabc7f2011-03-01 01:34:20 +00001225 int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data);
Andy Adamsondc70d7b2011-03-01 01:34:19 +00001226 __u64 mds_offset;
Fred Isaman30dd3742012-04-20 14:47:45 -04001227 struct nfs_page_array pages;
Fred Isamancd841602012-04-20 14:47:44 -04001228 struct nfs_client *ds_clp; /* pNFS data server */
1229};
1230
Fred Isaman4db6e0b2012-04-20 14:47:46 -04001231/* used as flag bits in nfs_pgio_header */
1232enum {
1233 NFS_IOHDR_ERROR = 0,
1234 NFS_IOHDR_EOF,
1235 NFS_IOHDR_REDO,
Fred Isaman6c75dc02012-04-20 14:47:47 -04001236 NFS_IOHDR_NEED_COMMIT,
1237 NFS_IOHDR_NEED_RESCHED,
Fred Isaman4db6e0b2012-04-20 14:47:46 -04001238};
1239
Fred Isamancd841602012-04-20 14:47:44 -04001240struct nfs_pgio_header {
1241 struct inode *inode;
1242 struct rpc_cred *cred;
1243 struct list_head pages;
Fred Isaman4db6e0b2012-04-20 14:47:46 -04001244 struct list_head rpc_list;
1245 atomic_t refcnt;
Fred Isamancd841602012-04-20 14:47:44 -04001246 struct nfs_page *req;
Trond Myklebust9bce0082012-06-05 18:32:03 -04001247 struct nfs_writeverf *verf;
Fred Isamancd841602012-04-20 14:47:44 -04001248 struct pnfs_layout_segment *lseg;
Fred Isaman4db6e0b2012-04-20 14:47:46 -04001249 loff_t io_start;
Fred Isamancd841602012-04-20 14:47:44 -04001250 const struct rpc_call_ops *mds_ops;
Fred Isaman4db6e0b2012-04-20 14:47:46 -04001251 void (*release) (struct nfs_pgio_header *hdr);
Fred Isaman061ae2e2012-04-20 14:47:48 -04001252 const struct nfs_pgio_completion_ops *completion_ops;
Fred Isaman584aa812012-04-20 14:47:51 -04001253 struct nfs_direct_req *dreq;
Peng Taof6166382012-08-02 15:36:09 +03001254 void *layout_private;
Fred Isaman4db6e0b2012-04-20 14:47:46 -04001255 spinlock_t lock;
1256 /* fields protected by lock */
Fred Isamancd841602012-04-20 14:47:44 -04001257 int pnfs_error;
Fred Isaman4db6e0b2012-04-20 14:47:46 -04001258 int error; /* merge with pnfs_error */
1259 unsigned long good_bytes; /* boundary of good data */
1260 unsigned long flags;
Fred Isamancd841602012-04-20 14:47:44 -04001261};
1262
1263struct nfs_read_header {
1264 struct nfs_pgio_header header;
1265 struct nfs_read_data rpc_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001266};
1267
1268struct nfs_write_data {
Fred Isamancd841602012-04-20 14:47:44 -04001269 struct nfs_pgio_header *header;
1270 struct list_head list;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001271 struct rpc_task task;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001272 struct nfs_fattr fattr;
1273 struct nfs_writeverf verf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001274 struct nfs_writeargs args; /* argument struct */
1275 struct nfs_writeres res; /* result struct */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001276 unsigned long timestamp; /* For lease renewal */
Fred Isamancd841602012-04-20 14:47:44 -04001277 int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
Fred Isamana69aef12011-03-03 15:13:47 +00001278 __u64 mds_offset; /* Filelayout dense stripe */
Fred Isaman30dd3742012-04-20 14:47:45 -04001279 struct nfs_page_array pages;
Fred Isamancd841602012-04-20 14:47:44 -04001280 struct nfs_client *ds_clp; /* pNFS data server */
1281};
1282
1283struct nfs_write_header {
1284 struct nfs_pgio_header header;
1285 struct nfs_write_data rpc_data;
Trond Myklebust9bce0082012-06-05 18:32:03 -04001286 struct nfs_writeverf verf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001287};
1288
Fred Isamanea2cf222012-04-20 14:47:53 -04001289struct nfs_mds_commit_info {
1290 atomic_t rpcs_out;
1291 unsigned long ncommit;
1292 struct list_head list;
1293};
1294
Fred Isamanf453a542012-04-20 14:47:54 -04001295struct nfs_commit_data;
1296struct nfs_inode;
1297struct nfs_commit_completion_ops {
1298 void (*error_cleanup) (struct nfs_inode *nfsi);
1299 void (*completion) (struct nfs_commit_data *data);
1300};
1301
Fred Isamanea2cf222012-04-20 14:47:53 -04001302struct nfs_commit_info {
1303 spinlock_t *lock;
1304 struct nfs_mds_commit_info *mds;
1305 struct pnfs_ds_commit_info *ds;
Fred Isamanb359f9d2012-04-20 14:47:55 -04001306 struct nfs_direct_req *dreq; /* O_DIRECT request */
Fred Isamanf453a542012-04-20 14:47:54 -04001307 const struct nfs_commit_completion_ops *completion_ops;
Fred Isamanea2cf222012-04-20 14:47:53 -04001308};
1309
Fred Isaman0b7c0152012-04-20 14:47:39 -04001310struct nfs_commit_data {
1311 struct rpc_task task;
1312 struct inode *inode;
1313 struct rpc_cred *cred;
1314 struct nfs_fattr fattr;
1315 struct nfs_writeverf verf;
1316 struct list_head pages; /* Coalesced requests we wish to flush */
1317 struct list_head list; /* lists of struct nfs_write_data */
1318 struct nfs_direct_req *dreq; /* O_DIRECT request */
1319 struct nfs_commitargs args; /* argument struct */
1320 struct nfs_commitres res; /* result struct */
1321 struct nfs_open_context *context;
1322 struct pnfs_layout_segment *lseg;
1323 struct nfs_client *ds_clp; /* pNFS data server */
1324 int ds_commit_index;
1325 const struct rpc_call_ops *mds_ops;
Fred Isamanf453a542012-04-20 14:47:54 -04001326 const struct nfs_commit_completion_ops *completion_ops;
Fred Isaman0b7c0152012-04-20 14:47:39 -04001327 int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
1328};
1329
Fred Isaman061ae2e2012-04-20 14:47:48 -04001330struct nfs_pgio_completion_ops {
1331 void (*error_cleanup)(struct list_head *head);
Fred Isaman584aa812012-04-20 14:47:51 -04001332 void (*init_hdr)(struct nfs_pgio_header *hdr);
Fred Isaman061ae2e2012-04-20 14:47:48 -04001333 void (*completion)(struct nfs_pgio_header *hdr);
1334};
1335
Bryan Schumaker34e137c2012-03-19 14:54:41 -04001336struct nfs_unlinkdata {
1337 struct hlist_node list;
1338 struct nfs_removeargs args;
1339 struct nfs_removeres res;
1340 struct inode *dir;
1341 struct rpc_cred *cred;
1342 struct nfs_fattr dir_attr;
1343};
1344
Bryan Schumakerc6bfa1a2012-03-19 14:54:42 -04001345struct nfs_renamedata {
1346 struct nfs_renameargs args;
1347 struct nfs_renameres res;
1348 struct rpc_cred *cred;
1349 struct inode *old_dir;
1350 struct dentry *old_dentry;
1351 struct nfs_fattr old_fattr;
1352 struct inode *new_dir;
1353 struct dentry *new_dentry;
1354 struct nfs_fattr new_fattr;
1355};
1356
Linus Torvalds1da177e2005-04-16 15:20:36 -07001357struct nfs_access_entry;
Andy Adamson45a52a02011-03-01 01:34:08 +00001358struct nfs_client;
Trond Myklebuste0dca7a2011-03-14 18:20:01 -04001359struct rpc_timeout;
Bryan Schumakerff9099f22012-07-30 16:05:18 -04001360struct nfs_subversion;
1361struct nfs_mount_info;
Bryan Schumaker6663ee72012-06-20 15:53:46 -04001362struct nfs_client_initdata;
Bryan Schumaker1abb50882012-06-20 15:53:47 -04001363struct nfs_pageio_descriptor;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001364
1365/*
1366 * RPC procedure vector for NFSv2/NFSv3 demuxing
1367 */
1368struct nfs_rpc_ops {
Chuck Leverc0e07cb2008-01-14 12:32:05 -05001369 u32 version; /* Protocol version */
Al Virof786aa92009-02-20 05:51:22 +00001370 const struct dentry_operations *dentry_ops;
Arjan van de Venc5ef1c42007-02-12 00:55:40 -08001371 const struct inode_operations *dir_inode_ops;
1372 const struct inode_operations *file_inode_ops;
Jeff Layton1788ea62011-11-04 13:31:21 -04001373 const struct file_operations *file_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001374
1375 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1376 struct nfs_fsinfo *);
Bryan Schumaker281cad42012-04-27 13:27:45 -04001377 struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
1378 struct nfs_fh *, struct nfs_fattr *);
Bryan Schumakerff9099f22012-07-30 16:05:18 -04001379 struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
1380 struct nfs_subversion *);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001381 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1382 struct nfs_fattr *);
1383 int (*setattr) (struct dentry *, struct nfs_fattr *,
1384 struct iattr *);
Bryan Schumaker80a16b22012-04-27 13:27:46 -04001385 int (*lookup) (struct inode *, struct qstr *,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001386 struct nfs_fh *, struct nfs_fattr *);
1387 int (*access) (struct inode *, struct nfs_access_entry *);
1388 int (*readlink)(struct inode *, struct page *, unsigned int,
1389 unsigned int);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001390 int (*create) (struct inode *, struct dentry *,
Miklos Szeredi8867fe52012-06-05 15:10:19 +02001391 struct iattr *, int);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001392 int (*remove) (struct inode *, struct qstr *);
Trond Myklebuste4eff1a2007-07-14 15:39:58 -04001393 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
Bryan Schumaker34e137c2012-03-19 14:54:41 -04001394 void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
Trond Myklebuste4eff1a2007-07-14 15:39:58 -04001395 int (*unlink_done) (struct rpc_task *, struct inode *);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001396 int (*rename) (struct inode *, struct qstr *,
1397 struct inode *, struct qstr *);
Jeff Laytond3d41522010-09-17 17:31:57 -04001398 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
Bryan Schumakerc6bfa1a2012-03-19 14:54:42 -04001399 void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *);
Jeff Laytond3d41522010-09-17 17:31:57 -04001400 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001401 int (*link) (struct inode *, struct inode *, struct qstr *);
Chuck Lever94a6d752006-08-22 20:06:23 -04001402 int (*symlink) (struct inode *, struct dentry *, struct page *,
1403 unsigned int, struct iattr *);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001404 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1405 int (*rmdir) (struct inode *, struct qstr *);
1406 int (*readdir) (struct dentry *, struct rpc_cred *,
Bryan Schumaker56e4ebf2010-10-20 15:44:37 -04001407 u64, struct page **, unsigned int, int);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001408 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1409 dev_t);
1410 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1411 struct nfs_fsstat *);
1412 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1413 struct nfs_fsinfo *);
1414 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1415 struct nfs_pathconf *);
David Howellse9326dc2006-08-22 20:06:10 -04001416 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
Chuck Lever573c4e12010-12-14 14:58:11 +00001417 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
Trond Myklebustbdc7f022007-07-14 15:40:00 -04001418 void (*read_setup) (struct nfs_read_data *, struct rpc_message *);
Bryan Schumaker1abb50882012-06-20 15:53:47 -04001419 void (*read_pageio_init)(struct nfs_pageio_descriptor *, struct inode *,
1420 const struct nfs_pgio_completion_ops *);
Bryan Schumakerea7c3302012-03-19 14:54:40 -04001421 void (*read_rpc_prepare)(struct rpc_task *, struct nfs_read_data *);
Trond Myklebustec06c092006-03-20 13:44:27 -05001422 int (*read_done) (struct rpc_task *, struct nfs_read_data *);
Trond Myklebustbdc7f022007-07-14 15:40:00 -04001423 void (*write_setup) (struct nfs_write_data *, struct rpc_message *);
Bryan Schumaker57208fa2012-06-20 15:53:48 -04001424 void (*write_pageio_init)(struct nfs_pageio_descriptor *, struct inode *, int,
1425 const struct nfs_pgio_completion_ops *);
Bryan Schumakerc6cb80d2012-03-19 14:54:39 -04001426 void (*write_rpc_prepare)(struct rpc_task *, struct nfs_write_data *);
Trond Myklebust788e7a82006-03-20 13:44:27 -05001427 int (*write_done) (struct rpc_task *, struct nfs_write_data *);
Fred Isaman0b7c0152012-04-20 14:47:39 -04001428 void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
1429 void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
1430 int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001431 int (*lock)(struct file *, int, struct file_lock *);
Trond Myklebust21162712008-05-20 19:34:39 -04001432 int (*lock_check_bounds)(const struct file_lock *);
Trond Myklebustada70d92005-06-22 17:16:22 +00001433 void (*clear_acl_cache)(struct inode *);
Trond Myklebust7fe5c392009-03-19 15:35:50 -04001434 void (*close_context)(struct nfs_open_context *ctx, int);
Trond Myklebust2b484292010-09-17 10:56:51 -04001435 struct inode * (*open_context) (struct inode *dir,
1436 struct nfs_open_context *ctx,
1437 int open_flags,
1438 struct iattr *iattr);
Bryan Schumaker011e2a72012-06-20 15:53:43 -04001439 int (*have_delegation)(struct inode *, fmode_t);
Bryan Schumaker57ec14c2012-06-20 15:53:44 -04001440 int (*return_delegation)(struct inode *);
Bryan Schumaker6663ee72012-06-20 15:53:46 -04001441 struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
Chuck Lever8cab4c32012-05-21 22:45:59 -04001442 struct nfs_client *
1443 (*init_client) (struct nfs_client *, const struct rpc_timeout *,
Chuck Lever4bf590e2012-05-21 22:46:07 -04001444 const char *, rpc_authflavor_t);
Bryan Schumakercdb7ece2012-06-20 15:53:45 -04001445 void (*free_client) (struct nfs_client *);
Bryan Schumaker1179acc2012-07-30 16:05:19 -04001446 struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *);
1447 struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
1448 struct nfs_fattr *, rpc_authflavor_t);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001449};
1450
1451/*
1452 * NFS_CALL(getattr, inode, (fattr));
1453 * into
1454 * NFS_PROTO(inode)->getattr(fattr);
1455 */
1456#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1457
1458/*
1459 * Function vectors etc. for the NFS client
1460 */
David Howells509de812006-08-22 20:06:11 -04001461extern const struct nfs_rpc_ops nfs_v2_clientops;
1462extern const struct nfs_rpc_ops nfs_v3_clientops;
1463extern const struct nfs_rpc_ops nfs_v4_clientops;
Trond Myklebusta613fa12012-01-20 13:53:56 -05001464extern const struct rpc_version nfs_version2;
1465extern const struct rpc_version nfs_version3;
1466extern const struct rpc_version nfs_version4;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001467
Trond Myklebusta613fa12012-01-20 13:53:56 -05001468extern const struct rpc_version nfsacl_version3;
1469extern const struct rpc_program nfsacl_program;
Andreas Gruenbacherb7fa0552005-06-22 17:16:27 +00001470
Linus Torvalds1da177e2005-04-16 15:20:36 -07001471#endif