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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
Trond Myklebust6926afd2012-01-07 13:22:46 -050017struct nfs4_string {
18 unsigned int len;
19 char *data;
20};
21
Trond Myklebust8b4bdcf2006-06-09 09:34:19 -040022struct nfs_fsid {
23 uint64_t major;
24 uint64_t minor;
Linus Torvalds1da177e2005-04-16 15:20:36 -070025};
26
Trond Myklebust8b4bdcf2006-06-09 09:34:19 -040027/*
28 * Helper for checking equality between 2 fsids.
29 */
30static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
31{
32 return a->major == b->major && a->minor == b->minor;
33}
34
Andy Adamson88034c32012-05-23 05:02:34 -040035struct nfs4_threshold {
36 __u32 bm;
37 __u32 l_type;
38 __u64 rd_sz;
39 __u64 wr_sz;
40 __u64 rd_io_sz;
41 __u64 wr_io_sz;
42};
43
Linus Torvalds1da177e2005-04-16 15:20:36 -070044struct nfs_fattr {
Trond Myklebust9e6e70f2009-03-11 14:10:24 -040045 unsigned int valid; /* which fields are valid */
Trond Myklebustbca79472009-03-11 14:10:26 -040046 umode_t mode;
Linus Torvalds1da177e2005-04-16 15:20:36 -070047 __u32 nlink;
Eric W. Biederman54f834c2013-02-01 14:16:29 -080048 kuid_t uid;
49 kgid_t gid;
Richard Kennedy9fa8d662008-08-26 16:23:20 +010050 dev_t rdev;
Linus Torvalds1da177e2005-04-16 15:20:36 -070051 __u64 size;
52 union {
53 struct {
54 __u32 blocksize;
55 __u32 blocks;
56 } nfs2;
57 struct {
58 __u64 used;
59 } nfs3;
60 } du;
Trond Myklebust8b4bdcf2006-06-09 09:34:19 -040061 struct nfs_fsid fsid;
Linus Torvalds1da177e2005-04-16 15:20:36 -070062 __u64 fileid;
Trond Myklebust28331a42011-04-27 13:47:52 -040063 __u64 mounted_on_fileid;
Linus Torvalds1da177e2005-04-16 15:20:36 -070064 struct timespec atime;
65 struct timespec mtime;
66 struct timespec ctime;
Linus Torvalds1da177e2005-04-16 15:20:36 -070067 __u64 change_attr; /* NFSv4 change attribute */
68 __u64 pre_change_attr;/* pre-op NFSv4 change attribute */
Trond Myklebust1ca277d2009-03-11 14:10:25 -040069 __u64 pre_size; /* pre_op_attr.size */
70 struct timespec pre_mtime; /* pre_op_attr.mtime */
71 struct timespec pre_ctime; /* pre_op_attr.ctime */
Trond Myklebust33801142005-10-27 22:12:39 -040072 unsigned long time_start;
Trond Myklebust4704f0e2008-10-14 19:16:07 -040073 unsigned long gencount;
Trond Myklebust6926afd2012-01-07 13:22:46 -050074 struct nfs4_string *owner_name;
75 struct nfs4_string *group_name;
Andy Adamson88034c32012-05-23 05:02:34 -040076 struct nfs4_threshold *mdsthreshold; /* pNFS threshold hints */
Linus Torvalds1da177e2005-04-16 15:20:36 -070077};
78
Trond Myklebust9e6e70f2009-03-11 14:10:24 -040079#define NFS_ATTR_FATTR_TYPE (1U << 0)
80#define NFS_ATTR_FATTR_MODE (1U << 1)
81#define NFS_ATTR_FATTR_NLINK (1U << 2)
82#define NFS_ATTR_FATTR_OWNER (1U << 3)
83#define NFS_ATTR_FATTR_GROUP (1U << 4)
84#define NFS_ATTR_FATTR_RDEV (1U << 5)
85#define NFS_ATTR_FATTR_SIZE (1U << 6)
86#define NFS_ATTR_FATTR_PRESIZE (1U << 7)
87#define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
88#define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
89#define NFS_ATTR_FATTR_FSID (1U << 10)
90#define NFS_ATTR_FATTR_FILEID (1U << 11)
91#define NFS_ATTR_FATTR_ATIME (1U << 12)
92#define NFS_ATTR_FATTR_MTIME (1U << 13)
93#define NFS_ATTR_FATTR_CTIME (1U << 14)
94#define NFS_ATTR_FATTR_PREMTIME (1U << 15)
95#define NFS_ATTR_FATTR_PRECTIME (1U << 16)
96#define NFS_ATTR_FATTR_CHANGE (1U << 17)
97#define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
Chuck Lever81934dd2012-03-01 17:01:57 -050098#define NFS_ATTR_FATTR_V4_LOCATIONS (1U << 19)
99#define NFS_ATTR_FATTR_V4_REFERRAL (1U << 20)
100#define NFS_ATTR_FATTR_MOUNTPOINT (1U << 21)
101#define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 22)
102#define NFS_ATTR_FATTR_OWNER_NAME (1U << 23)
103#define NFS_ATTR_FATTR_GROUP_NAME (1U << 24)
David Quigleye64a4212013-05-22 12:50:39 -0400104#define NFS_ATTR_FATTR_V4_SECURITY_LABEL (1U << 25)
Trond Myklebust9e6e70f2009-03-11 14:10:24 -0400105
106#define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
107 | NFS_ATTR_FATTR_MODE \
108 | NFS_ATTR_FATTR_NLINK \
109 | NFS_ATTR_FATTR_OWNER \
110 | NFS_ATTR_FATTR_GROUP \
111 | NFS_ATTR_FATTR_RDEV \
112 | NFS_ATTR_FATTR_SIZE \
113 | NFS_ATTR_FATTR_FSID \
114 | NFS_ATTR_FATTR_FILEID \
115 | NFS_ATTR_FATTR_ATIME \
116 | NFS_ATTR_FATTR_MTIME \
Trond Myklebust3a1556e2012-04-27 13:48:18 -0400117 | NFS_ATTR_FATTR_CTIME \
118 | NFS_ATTR_FATTR_CHANGE)
Trond Myklebust9e6e70f2009-03-11 14:10:24 -0400119#define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
120 | NFS_ATTR_FATTR_BLOCKS_USED)
121#define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
122 | NFS_ATTR_FATTR_SPACE_USED)
123#define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
David Quigleye64a4212013-05-22 12:50:39 -0400124 | NFS_ATTR_FATTR_SPACE_USED \
125 | NFS_ATTR_FATTR_V4_SECURITY_LABEL)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126
127/*
128 * Info on the file system
129 */
130struct nfs_fsinfo {
131 struct nfs_fattr *fattr; /* Post-op attributes */
132 __u32 rtmax; /* max. read transfer size */
133 __u32 rtpref; /* pref. read transfer size */
134 __u32 rtmult; /* reads should be multiple of this */
135 __u32 wtmax; /* max. write transfer size */
136 __u32 wtpref; /* pref. write transfer size */
137 __u32 wtmult; /* writes should be multiple of this */
138 __u32 dtpref; /* pref. readdir transfer size */
139 __u64 maxfilesize;
Ricardo Labiaga6b967242010-10-12 16:30:05 -0700140 struct timespec time_delta; /* server time granularity */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141 __u32 lease_time; /* in seconds */
Andy Adamson504913f2010-10-20 00:17:57 -0400142 __u32 layouttype; /* supported pnfs layout driver */
Fred Isamandae100c2011-07-30 20:52:37 -0400143 __u32 blksize; /* preferred pnfs io block size */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144};
145
146struct nfs_fsstat {
147 struct nfs_fattr *fattr; /* Post-op attributes */
148 __u64 tbytes; /* total size in bytes */
149 __u64 fbytes; /* # of free bytes */
150 __u64 abytes; /* # of bytes available to user */
151 __u64 tfiles; /* # of files */
152 __u64 ffiles; /* # of free files */
153 __u64 afiles; /* # of files available to user */
154};
155
156struct nfs2_fsstat {
157 __u32 tsize; /* Server transfer size */
158 __u32 bsize; /* Filesystem block size */
159 __u32 blocks; /* No. of "bsize" blocks on filesystem */
160 __u32 bfree; /* No. of free "bsize" blocks */
161 __u32 bavail; /* No. of available "bsize" blocks */
162};
163
164struct nfs_pathconf {
165 struct nfs_fattr *fattr; /* Post-op attributes */
166 __u32 max_link; /* max # of hard links */
167 __u32 max_namelen; /* max name length */
168};
169
170struct nfs4_change_info {
171 u32 atomic;
172 u64 before;
173 u64 after;
174};
175
Trond Myklebustcee54fc2005-10-18 14:20:12 -0700176struct nfs_seqid;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400177
Andy Adamson557134a2009-04-01 09:21:53 -0400178/* nfs41 sessions channel attributes */
179struct nfs4_channel_attrs {
Andy Adamson557134a2009-04-01 09:21:53 -0400180 u32 max_rqst_sz;
181 u32 max_resp_sz;
182 u32 max_resp_sz_cached;
183 u32 max_ops;
184 u32 max_reqs;
185};
186
Trond Myklebust76e697b2012-11-26 14:20:49 -0500187struct nfs4_slot;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400188struct nfs4_sequence_args {
Trond Myklebust2b2fa712012-11-16 12:58:36 -0500189 struct nfs4_slot *sa_slot;
Trond Myklebust8fe72ba2012-10-29 19:02:20 -0400190 u8 sa_cache_this : 1,
191 sa_privileged : 1;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400192};
193
194struct nfs4_sequence_res {
Benny Halevydfb4f3092010-09-24 09:17:01 -0400195 struct nfs4_slot *sr_slot; /* slot used to send request */
Trond Myklebust8e63b6a2012-12-15 15:21:52 -0500196 unsigned long sr_timestamp;
Andy Adamsonfbcd4ab2009-04-01 09:22:15 -0400197 int sr_status; /* sequence operation status */
Alexandros Batsakis0629e372009-12-05 13:46:14 -0500198 u32 sr_status_flags;
Trond Myklebustda0507b2012-11-20 18:10:30 -0500199 u32 sr_highest_slotid;
Trond Myklebust464ee9f2012-11-20 12:49:27 -0500200 u32 sr_target_highest_slotid;
Benny Halevy9ff71c32009-04-01 09:21:52 -0400201};
202
Andy Adamson2050f0c2009-04-01 09:22:30 -0400203struct nfs4_get_lease_time_args {
204 struct nfs4_sequence_args la_seq_args;
205};
206
207struct nfs4_get_lease_time_res {
Andy Adamson2050f0c2009-04-01 09:22:30 -0400208 struct nfs4_sequence_res lr_seq_res;
Trond Myklebust62ae0822012-11-29 17:10:01 -0500209 struct nfs_fsinfo *lr_fsinfo;
Andy Adamson2050f0c2009-04-01 09:22:30 -0400210};
211
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400212#define PNFS_LAYOUT_MAXSIZE 4096
213
214struct nfs4_layoutdriver_data {
Weston Andros Adamson35124a02011-03-24 16:48:21 -0400215 struct page **pages;
216 __u32 pglen;
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400217 __u32 len;
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400218};
219
220struct pnfs_layout_range {
221 u32 iomode;
222 u64 offset;
223 u64 length;
224};
225
226struct nfs4_layoutget_args {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500227 struct nfs4_sequence_args seq_args;
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400228 __u32 type;
229 struct pnfs_layout_range range;
230 __u64 minlength;
231 __u32 maxcount;
232 struct inode *inode;
233 struct nfs_open_context *ctx;
Fred Isamancf7d63f2011-01-06 11:36:25 +0000234 nfs4_stateid stateid;
Weston Andros Adamson30005122013-02-28 20:30:10 -0500235 unsigned long timestamp;
Weston Andros Adamson35124a02011-03-24 16:48:21 -0400236 struct nfs4_layoutdriver_data layout;
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400237};
238
239struct nfs4_layoutget_res {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500240 struct nfs4_sequence_res seq_res;
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400241 __u32 return_on_close;
242 struct pnfs_layout_range range;
243 __u32 type;
244 nfs4_stateid stateid;
Weston Andros Adamson35124a02011-03-24 16:48:21 -0400245 struct nfs4_layoutdriver_data *layoutp;
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400246};
247
248struct nfs4_layoutget {
249 struct nfs4_layoutget_args args;
250 struct nfs4_layoutget_res res;
Trond Myklebust6ab59342013-05-20 10:49:34 -0400251 struct rpc_cred *cred;
Trond Myklebusta75b9df2011-05-11 18:00:51 -0400252 gfp_t gfp_flags;
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400253};
254
Andy Adamson7f11d8d2011-07-30 20:52:35 -0400255struct nfs4_getdevicelist_args {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500256 struct nfs4_sequence_args seq_args;
Andy Adamson7f11d8d2011-07-30 20:52:35 -0400257 const struct nfs_fh *fh;
258 u32 layoutclass;
Andy Adamson7f11d8d2011-07-30 20:52:35 -0400259};
260
261struct nfs4_getdevicelist_res {
Andy Adamson7f11d8d2011-07-30 20:52:35 -0400262 struct nfs4_sequence_res seq_res;
Trond Myklebust62ae0822012-11-29 17:10:01 -0500263 struct pnfs_devicelist *devlist;
Andy Adamson7f11d8d2011-07-30 20:52:35 -0400264};
265
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400266struct nfs4_getdeviceinfo_args {
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400267 struct nfs4_sequence_args seq_args;
Trond Myklebust62ae0822012-11-29 17:10:01 -0500268 struct pnfs_device *pdev;
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400269};
270
271struct nfs4_getdeviceinfo_res {
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400272 struct nfs4_sequence_res seq_res;
Trond Myklebust62ae0822012-11-29 17:10:01 -0500273 struct pnfs_device *pdev;
Andy Adamsonb1f69b72010-10-20 00:18:03 -0400274};
275
Andy Adamson863a3c62011-03-23 13:27:54 +0000276struct nfs4_layoutcommit_args {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500277 struct nfs4_sequence_args seq_args;
Andy Adamson863a3c62011-03-23 13:27:54 +0000278 nfs4_stateid stateid;
279 __u64 lastbytewritten;
280 struct inode *inode;
281 const u32 *bitmask;
Andy Adamson863a3c62011-03-23 13:27:54 +0000282};
283
284struct nfs4_layoutcommit_res {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500285 struct nfs4_sequence_res seq_res;
Andy Adamson863a3c62011-03-23 13:27:54 +0000286 struct nfs_fattr *fattr;
287 const struct nfs_server *server;
Andy Adamsondb29c082011-07-30 20:52:38 -0400288 int status;
Andy Adamson863a3c62011-03-23 13:27:54 +0000289};
290
291struct nfs4_layoutcommit_data {
292 struct rpc_task task;
293 struct nfs_fattr fattr;
Peng Taoa9bae562011-07-30 20:52:33 -0400294 struct list_head lseg_list;
Andy Adamson863a3c62011-03-23 13:27:54 +0000295 struct rpc_cred *cred;
296 struct nfs4_layoutcommit_args args;
297 struct nfs4_layoutcommit_res res;
298};
299
Benny Halevycbe82602011-05-22 19:52:37 +0300300struct nfs4_layoutreturn_args {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500301 struct nfs4_sequence_args seq_args;
Trond Myklebusta56aaa02011-06-15 11:59:10 -0400302 struct pnfs_layout_hdr *layout;
Benny Halevycbe82602011-05-22 19:52:37 +0300303 struct inode *inode;
304 nfs4_stateid stateid;
Trond Myklebusta56aaa02011-06-15 11:59:10 -0400305 __u32 layout_type;
Benny Halevycbe82602011-05-22 19:52:37 +0300306};
307
308struct nfs4_layoutreturn_res {
309 struct nfs4_sequence_res seq_res;
310 u32 lrs_present;
311 nfs4_stateid stateid;
312};
313
314struct nfs4_layoutreturn {
315 struct nfs4_layoutreturn_args args;
316 struct nfs4_layoutreturn_res res;
317 struct rpc_cred *cred;
318 struct nfs_client *clp;
319 int rpc_status;
320};
321
Trond Myklebust95b72eb2012-04-20 19:24:51 -0400322struct stateowner_id {
323 __u64 create_time;
324 __u32 uniquifier;
325};
326
Linus Torvalds1da177e2005-04-16 15:20:36 -0700327/*
328 * Arguments to the open call.
329 */
330struct nfs_openargs {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500331 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700332 const struct nfs_fh * fh;
Trond Myklebustcee54fc2005-10-18 14:20:12 -0700333 struct nfs_seqid * seqid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700334 int open_flags;
Trond Myklebustdc0b0272008-12-23 15:21:56 -0500335 fmode_t fmode;
Weston Andros Adamson6168f622012-09-10 14:00:46 -0400336 u32 access;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700337 __u64 clientid;
Trond Myklebust95b72eb2012-04-20 19:24:51 -0400338 struct stateowner_id id;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700339 union {
Trond Myklebustd77d76f2010-06-16 09:52:27 -0400340 struct {
341 struct iattr * attrs; /* UNCHECKED, GUARDED */
342 nfs4_verifier verifier; /* EXCLUSIVE */
343 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700344 nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
Trond Myklebustbd7bf9d2008-12-23 15:21:53 -0500345 fmode_t delegation_type; /* CLAIM_PREVIOUS */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700346 } u;
347 const struct qstr * name;
348 const struct nfs_server *server; /* Needed for ID mapping */
349 const u32 * bitmask;
Trond Myklebust1549210f2012-06-05 09:16:47 -0400350 const u32 * open_bitmap;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700351 __u32 claim;
Trond Myklebust549b19c2013-04-16 18:42:34 -0400352 enum createmode4 createmode;
Steve Dicksone058f702013-05-22 12:50:40 -0400353 const struct nfs4_label *label;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700354};
355
356struct nfs_openres {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500357 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700358 nfs4_stateid stateid;
359 struct nfs_fh fh;
360 struct nfs4_change_info cinfo;
361 __u32 rflags;
362 struct nfs_fattr * f_attr;
Steve Dicksone058f702013-05-22 12:50:40 -0400363 struct nfs4_label *f_label;
Trond Myklebustc1d51932008-04-07 13:20:54 -0400364 struct nfs_seqid * seqid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700365 const struct nfs_server *server;
Trond Myklebustbd7bf9d2008-12-23 15:21:53 -0500366 fmode_t delegation_type;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700367 nfs4_stateid delegation;
368 __u32 do_recall;
369 __u64 maxsize;
Jeff Laytonaa53ed52007-06-05 14:49:03 -0400370 __u32 attrset[NFS4_BITMAP_SIZE];
Trond Myklebust6926afd2012-01-07 13:22:46 -0500371 struct nfs4_string *owner;
372 struct nfs4_string *group_owner;
Weston Andros Adamsonae2bb032012-10-02 14:49:52 -0700373 __u32 access_request;
Weston Andros Adamson6168f622012-09-10 14:00:46 -0400374 __u32 access_supported;
375 __u32 access_result;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700376};
377
378/*
379 * Arguments to the open_confirm call.
380 */
381struct nfs_open_confirmargs {
382 const struct nfs_fh * fh;
Trond Myklebustcdd4e682006-01-03 09:55:12 +0100383 nfs4_stateid * stateid;
Trond Myklebustcee54fc2005-10-18 14:20:12 -0700384 struct nfs_seqid * seqid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700385};
386
387struct nfs_open_confirmres {
388 nfs4_stateid stateid;
Trond Myklebustc1d51932008-04-07 13:20:54 -0400389 struct nfs_seqid * seqid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700390};
391
392/*
393 * Arguments to the close call.
394 */
395struct nfs_closeargs {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500396 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700397 struct nfs_fh * fh;
Trond Myklebust95121352005-10-18 14:20:12 -0700398 nfs4_stateid * stateid;
Trond Myklebustcee54fc2005-10-18 14:20:12 -0700399 struct nfs_seqid * seqid;
Trond Myklebustdc0b0272008-12-23 15:21:56 -0500400 fmode_t fmode;
Trond Myklebust516a6af2005-10-27 22:12:41 -0400401 const u32 * bitmask;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700402};
403
404struct nfs_closeres {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500405 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700406 nfs4_stateid stateid;
Trond Myklebust516a6af2005-10-27 22:12:41 -0400407 struct nfs_fattr * fattr;
Trond Myklebustc1d51932008-04-07 13:20:54 -0400408 struct nfs_seqid * seqid;
Trond Myklebust516a6af2005-10-27 22:12:41 -0400409 const struct nfs_server *server;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700410};
411/*
412 * * Arguments to the lock,lockt, and locku call.
413 * */
414struct nfs_lowner {
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100415 __u64 clientid;
Trond Myklebust9f958ab2007-07-02 13:58:33 -0400416 __u64 id;
Trond Myklebustd035c362010-12-21 10:45:27 -0500417 dev_t s_dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700418};
419
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100420struct nfs_lock_args {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500421 struct nfs4_sequence_args seq_args;
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100422 struct nfs_fh * fh;
423 struct file_lock * fl;
Trond Myklebust06735b32005-10-18 14:20:15 -0700424 struct nfs_seqid * lock_seqid;
425 nfs4_stateid * lock_stateid;
426 struct nfs_seqid * open_seqid;
427 nfs4_stateid * open_stateid;
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100428 struct nfs_lowner lock_owner;
429 unsigned char block : 1;
430 unsigned char reclaim : 1;
431 unsigned char new_lock_owner : 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700432};
433
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100434struct nfs_lock_res {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500435 struct nfs4_sequence_res seq_res;
Trond Myklebustc1d51932008-04-07 13:20:54 -0400436 nfs4_stateid stateid;
437 struct nfs_seqid * lock_seqid;
438 struct nfs_seqid * open_seqid;
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100439};
440
441struct nfs_locku_args {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500442 struct nfs4_sequence_args seq_args;
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100443 struct nfs_fh * fh;
444 struct file_lock * fl;
Trond Myklebustcee54fc2005-10-18 14:20:12 -0700445 struct nfs_seqid * seqid;
Trond Myklebustfaf5f492005-10-18 14:20:15 -0700446 nfs4_stateid * stateid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700447};
448
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100449struct nfs_locku_res {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500450 struct nfs4_sequence_res seq_res;
Trond Myklebustc1d51932008-04-07 13:20:54 -0400451 nfs4_stateid stateid;
452 struct nfs_seqid * seqid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700453};
454
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100455struct nfs_lockt_args {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500456 struct nfs4_sequence_args seq_args;
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100457 struct nfs_fh * fh;
458 struct file_lock * fl;
459 struct nfs_lowner lock_owner;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700460};
461
Trond Myklebust911d1aa2006-01-03 09:55:16 +0100462struct nfs_lockt_res {
Benny Halevy9ff71c32009-04-01 09:21:52 -0400463 struct nfs4_sequence_res seq_res;
Trond Myklebust62ae0822012-11-29 17:10:01 -0500464 struct file_lock * denied; /* LOCK, LOCKT failed */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700465};
466
Trond Myklebustd3c7b7c2010-07-01 12:49:01 -0400467struct nfs_release_lockowner_args {
468 struct nfs_lowner lock_owner;
469};
470
Linus Torvalds1da177e2005-04-16 15:20:36 -0700471struct nfs4_delegreturnargs {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500472 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700473 const struct nfs_fh *fhandle;
474 const nfs4_stateid *stateid;
Trond Myklebustfa178f22006-01-03 09:55:38 +0100475 const u32 * bitmask;
476};
477
478struct nfs4_delegreturnres {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500479 struct nfs4_sequence_res seq_res;
Trond Myklebustfa178f22006-01-03 09:55:38 +0100480 struct nfs_fattr * fattr;
481 const struct nfs_server *server;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700482};
483
484/*
485 * Arguments to the read call.
486 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700487struct nfs_readargs {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500488 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700489 struct nfs_fh * fh;
490 struct nfs_open_context *context;
Trond Myklebustf11ac8d2010-06-25 16:35:53 -0400491 struct nfs_lock_context *lock_context;
Trond Myklebust9b206142013-03-17 15:52:00 -0400492 nfs4_stateid stateid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700493 __u64 offset;
494 __u32 count;
495 unsigned int pgbase;
496 struct page ** pages;
497};
498
499struct nfs_readres {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500500 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700501 struct nfs_fattr * fattr;
502 __u32 count;
503 int eof;
504};
505
506/*
507 * Arguments to the write call.
508 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700509struct nfs_writeargs {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500510 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700511 struct nfs_fh * fh;
512 struct nfs_open_context *context;
Trond Myklebustf11ac8d2010-06-25 16:35:53 -0400513 struct nfs_lock_context *lock_context;
Trond Myklebust9b206142013-03-17 15:52:00 -0400514 nfs4_stateid stateid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700515 __u64 offset;
516 __u32 count;
517 enum nfs3_stable_how stable;
518 unsigned int pgbase;
519 struct page ** pages;
Trond Myklebust4f9838c2005-10-27 22:12:44 -0400520 const u32 * bitmask;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700521};
522
Trond Myklebust2f2c63b2012-06-08 11:56:09 -0400523struct nfs_write_verifier {
524 char data[8];
525};
526
Linus Torvalds1da177e2005-04-16 15:20:36 -0700527struct nfs_writeverf {
Trond Myklebust2f2c63b2012-06-08 11:56:09 -0400528 struct nfs_write_verifier verifier;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700529 enum nfs3_stable_how committed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700530};
531
532struct nfs_writeres {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500533 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700534 struct nfs_fattr * fattr;
535 struct nfs_writeverf * verf;
536 __u32 count;
Trond Myklebust4f9838c2005-10-27 22:12:44 -0400537 const struct nfs_server *server;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700538};
539
540/*
Fred Isaman0b7c0152012-04-20 14:47:39 -0400541 * Arguments to the commit call.
542 */
543struct nfs_commitargs {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500544 struct nfs4_sequence_args seq_args;
Fred Isaman0b7c0152012-04-20 14:47:39 -0400545 struct nfs_fh *fh;
546 __u64 offset;
547 __u32 count;
548 const u32 *bitmask;
Fred Isaman0b7c0152012-04-20 14:47:39 -0400549};
550
551struct nfs_commitres {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500552 struct nfs4_sequence_res seq_res;
Fred Isaman0b7c0152012-04-20 14:47:39 -0400553 struct nfs_fattr *fattr;
554 struct nfs_writeverf *verf;
555 const struct nfs_server *server;
Fred Isaman0b7c0152012-04-20 14:47:39 -0400556};
557
558/*
Trond Myklebust4fdc17b2007-07-14 15:39:57 -0400559 * Common arguments to the unlink call
560 */
561struct nfs_removeargs {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500562 struct nfs4_sequence_args seq_args;
Trond Myklebust4fdc17b2007-07-14 15:39:57 -0400563 const struct nfs_fh *fh;
564 struct qstr name;
Trond Myklebust4fdc17b2007-07-14 15:39:57 -0400565};
566
567struct nfs_removeres {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500568 struct nfs4_sequence_res seq_res;
Trond Myklebust4fdc17b2007-07-14 15:39:57 -0400569 const struct nfs_server *server;
Trond Myklebustd3468902010-04-16 16:22:50 -0400570 struct nfs_fattr *dir_attr;
Trond Myklebust4fdc17b2007-07-14 15:39:57 -0400571 struct nfs4_change_info cinfo;
Trond Myklebust4fdc17b2007-07-14 15:39:57 -0400572};
573
574/*
Jeff Layton920769f2010-09-17 17:30:25 -0400575 * Common arguments to the rename call
576 */
577struct nfs_renameargs {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500578 struct nfs4_sequence_args seq_args;
Jeff Layton920769f2010-09-17 17:30:25 -0400579 const struct nfs_fh *old_dir;
580 const struct nfs_fh *new_dir;
581 const struct qstr *old_name;
582 const struct qstr *new_name;
Jeff Layton920769f2010-09-17 17:30:25 -0400583};
584
Jeff Laytone8582a82010-09-17 17:31:06 -0400585struct nfs_renameres {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500586 struct nfs4_sequence_res seq_res;
Jeff Laytone8582a82010-09-17 17:31:06 -0400587 const struct nfs_server *server;
588 struct nfs4_change_info old_cinfo;
589 struct nfs_fattr *old_fattr;
590 struct nfs4_change_info new_cinfo;
591 struct nfs_fattr *new_fattr;
Jeff Laytone8582a82010-09-17 17:31:06 -0400592};
593
Weston Andros Adamsona3f73c22013-10-18 15:15:16 -0400594/* parsed sec= options */
Weston Andros Adamson4d4b69d2013-10-18 15:15:19 -0400595#define NFS_AUTH_INFO_MAX_FLAVORS 12 /* see fs/nfs/super.c */
Weston Andros Adamsona3f73c22013-10-18 15:15:16 -0400596struct nfs_auth_info {
597 unsigned int flavor_len;
Weston Andros Adamson4d4b69d2013-10-18 15:15:19 -0400598 rpc_authflavor_t flavors[NFS_AUTH_INFO_MAX_FLAVORS];
Weston Andros Adamsona3f73c22013-10-18 15:15:16 -0400599};
600
Jeff Layton920769f2010-09-17 17:30:25 -0400601/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700602 * Argument struct for decode_entry function
603 */
604struct nfs_entry {
605 __u64 ino;
606 __u64 cookie,
607 prev_cookie;
608 const char * name;
609 unsigned int len;
610 int eof;
611 struct nfs_fh * fh;
612 struct nfs_fattr * fattr;
Steve Dicksone058f702013-05-22 12:50:40 -0400613 struct nfs4_label *label;
Trond Myklebust0b26a0b2010-11-20 14:26:44 -0500614 unsigned char d_type;
Chuck Lever573c4e12010-12-14 14:58:11 +0000615 struct nfs_server * server;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700616};
617
618/*
619 * The following types are for NFSv2 only.
620 */
621struct nfs_sattrargs {
622 struct nfs_fh * fh;
623 struct iattr * sattr;
624};
625
626struct nfs_diropargs {
627 struct nfs_fh * fh;
628 const char * name;
629 unsigned int len;
630};
631
632struct nfs_createargs {
633 struct nfs_fh * fh;
634 const char * name;
635 unsigned int len;
636 struct iattr * sattr;
637};
638
Linus Torvalds1da177e2005-04-16 15:20:36 -0700639struct nfs_setattrargs {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500640 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700641 struct nfs_fh * fh;
642 nfs4_stateid stateid;
643 struct iattr * iap;
644 const struct nfs_server * server; /* Needed for name mapping */
645 const u32 * bitmask;
Steve Dicksone058f702013-05-22 12:50:40 -0400646 const struct nfs4_label *label;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700647};
648
J. Bruce Fields23ec6962005-06-22 17:16:22 +0000649struct nfs_setaclargs {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500650 struct nfs4_sequence_args seq_args;
J. Bruce Fields23ec6962005-06-22 17:16:22 +0000651 struct nfs_fh * fh;
652 size_t acl_len;
653 unsigned int acl_pgbase;
654 struct page ** acl_pages;
655};
656
Benny Halevy73c403a2009-04-01 09:22:01 -0400657struct nfs_setaclres {
658 struct nfs4_sequence_res seq_res;
659};
660
J. Bruce Fields029d1052005-06-22 17:16:22 +0000661struct nfs_getaclargs {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500662 struct nfs4_sequence_args seq_args;
J. Bruce Fields029d1052005-06-22 17:16:22 +0000663 struct nfs_fh * fh;
664 size_t acl_len;
665 unsigned int acl_pgbase;
666 struct page ** acl_pages;
667};
668
Andy Adamsonbf118a32011-12-07 11:55:27 -0500669/* getxattr ACL interface flags */
Trond Myklebust1f1ea6c2012-08-26 11:44:43 -0700670#define NFS4_ACL_TRUNC 0x0001 /* ACL was truncated */
Benny Halevy663c79b2009-04-01 09:21:59 -0400671struct nfs_getaclres {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500672 struct nfs4_sequence_res seq_res;
Benny Halevy663c79b2009-04-01 09:21:59 -0400673 size_t acl_len;
Andy Adamsonbf118a32011-12-07 11:55:27 -0500674 size_t acl_data_offset;
675 int acl_flags;
Trond Myklebust331818f2012-02-03 18:30:53 -0500676 struct page * acl_scratch;
Benny Halevy663c79b2009-04-01 09:21:59 -0400677};
678
Linus Torvalds1da177e2005-04-16 15:20:36 -0700679struct nfs_setattrres {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500680 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700681 struct nfs_fattr * fattr;
Steve Dicksone058f702013-05-22 12:50:40 -0400682 struct nfs4_label *label;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700683 const struct nfs_server * server;
684};
685
686struct nfs_linkargs {
687 struct nfs_fh * fromfh;
688 struct nfs_fh * tofh;
689 const char * toname;
690 unsigned int tolen;
691};
692
693struct nfs_symlinkargs {
694 struct nfs_fh * fromfh;
695 const char * fromname;
696 unsigned int fromlen;
Chuck Lever94a6d752006-08-22 20:06:23 -0400697 struct page ** pages;
698 unsigned int pathlen;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700699 struct iattr * sattr;
700};
701
702struct nfs_readdirargs {
703 struct nfs_fh * fh;
704 __u32 cookie;
705 unsigned int count;
706 struct page ** pages;
707};
708
Andreas Gruenbacherb7fa0552005-06-22 17:16:27 +0000709struct nfs3_getaclargs {
710 struct nfs_fh * fh;
711 int mask;
712 struct page ** pages;
713};
714
715struct nfs3_setaclargs {
716 struct inode * inode;
717 int mask;
718 struct posix_acl * acl_access;
719 struct posix_acl * acl_default;
Trond Myklebustae461412009-03-10 20:33:18 -0400720 size_t len;
721 unsigned int npages;
Andreas Gruenbacherb7fa0552005-06-22 17:16:27 +0000722 struct page ** pages;
723};
724
Linus Torvalds1da177e2005-04-16 15:20:36 -0700725struct nfs_diropok {
726 struct nfs_fh * fh;
727 struct nfs_fattr * fattr;
728};
729
730struct nfs_readlinkargs {
731 struct nfs_fh * fh;
732 unsigned int pgbase;
733 unsigned int pglen;
734 struct page ** pages;
735};
736
737struct nfs3_sattrargs {
738 struct nfs_fh * fh;
739 struct iattr * sattr;
740 unsigned int guard;
741 struct timespec guardtime;
742};
743
744struct nfs3_diropargs {
745 struct nfs_fh * fh;
746 const char * name;
747 unsigned int len;
748};
749
750struct nfs3_accessargs {
751 struct nfs_fh * fh;
752 __u32 access;
753};
754
755struct nfs3_createargs {
756 struct nfs_fh * fh;
757 const char * name;
758 unsigned int len;
759 struct iattr * sattr;
760 enum nfs3_createmode createmode;
Al Virobc4785c2006-10-19 23:28:51 -0700761 __be32 verifier[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700762};
763
764struct nfs3_mkdirargs {
765 struct nfs_fh * fh;
766 const char * name;
767 unsigned int len;
768 struct iattr * sattr;
769};
770
771struct nfs3_symlinkargs {
772 struct nfs_fh * fromfh;
773 const char * fromname;
774 unsigned int fromlen;
Chuck Lever94a6d752006-08-22 20:06:23 -0400775 struct page ** pages;
776 unsigned int pathlen;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700777 struct iattr * sattr;
778};
779
780struct nfs3_mknodargs {
781 struct nfs_fh * fh;
782 const char * name;
783 unsigned int len;
784 enum nfs3_ftype type;
785 struct iattr * sattr;
786 dev_t rdev;
787};
788
Linus Torvalds1da177e2005-04-16 15:20:36 -0700789struct nfs3_linkargs {
790 struct nfs_fh * fromfh;
791 struct nfs_fh * tofh;
792 const char * toname;
793 unsigned int tolen;
794};
795
796struct nfs3_readdirargs {
797 struct nfs_fh * fh;
798 __u64 cookie;
Al Virobc4785c2006-10-19 23:28:51 -0700799 __be32 verf[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700800 int plus;
801 unsigned int count;
802 struct page ** pages;
803};
804
805struct nfs3_diropres {
806 struct nfs_fattr * dir_attr;
807 struct nfs_fh * fh;
808 struct nfs_fattr * fattr;
809};
810
811struct nfs3_accessres {
812 struct nfs_fattr * fattr;
813 __u32 access;
814};
815
816struct nfs3_readlinkargs {
817 struct nfs_fh * fh;
818 unsigned int pgbase;
819 unsigned int pglen;
820 struct page ** pages;
821};
822
Linus Torvalds1da177e2005-04-16 15:20:36 -0700823struct nfs3_linkres {
824 struct nfs_fattr * dir_attr;
825 struct nfs_fattr * fattr;
826};
827
828struct nfs3_readdirres {
829 struct nfs_fattr * dir_attr;
Al Virobc4785c2006-10-19 23:28:51 -0700830 __be32 * verf;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700831 int plus;
832};
833
Andreas Gruenbacherb7fa0552005-06-22 17:16:27 +0000834struct nfs3_getaclres {
835 struct nfs_fattr * fattr;
836 int mask;
837 unsigned int acl_access_count;
838 unsigned int acl_default_count;
839 struct posix_acl * acl_access;
840 struct posix_acl * acl_default;
841};
842
Bryan Schumaker89d77c82012-07-30 16:05:25 -0400843#if IS_ENABLED(CONFIG_NFS_V4)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700844
845typedef u64 clientid4;
846
847struct nfs4_accessargs {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500848 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700849 const struct nfs_fh * fh;
Trond Myklebust76b32992007-08-10 17:45:11 -0400850 const u32 * bitmask;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700851 u32 access;
852};
853
854struct nfs4_accessres {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500855 struct nfs4_sequence_res seq_res;
Trond Myklebust76b32992007-08-10 17:45:11 -0400856 const struct nfs_server * server;
857 struct nfs_fattr * fattr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700858 u32 supported;
859 u32 access;
860};
861
862struct nfs4_create_arg {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500863 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700864 u32 ftype;
865 union {
Chuck Lever94a6d752006-08-22 20:06:23 -0400866 struct {
867 struct page ** pages;
868 unsigned int len;
869 } symlink; /* NF4LNK */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700870 struct {
871 u32 specdata1;
872 u32 specdata2;
873 } device; /* NF4BLK, NF4CHR */
874 } u;
875 const struct qstr * name;
876 const struct nfs_server * server;
877 const struct iattr * attrs;
878 const struct nfs_fh * dir_fh;
879 const u32 * bitmask;
Steve Dicksone058f702013-05-22 12:50:40 -0400880 const struct nfs4_label *label;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700881};
882
883struct nfs4_create_res {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500884 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700885 const struct nfs_server * server;
886 struct nfs_fh * fh;
887 struct nfs_fattr * fattr;
Steve Dicksone058f702013-05-22 12:50:40 -0400888 struct nfs4_label *label;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700889 struct nfs4_change_info dir_cinfo;
890};
891
892struct nfs4_fsinfo_arg {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500893 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700894 const struct nfs_fh * fh;
895 const u32 * bitmask;
896};
897
Benny Halevy3dda5e42009-04-01 09:21:57 -0400898struct nfs4_fsinfo_res {
Benny Halevy3dda5e42009-04-01 09:21:57 -0400899 struct nfs4_sequence_res seq_res;
Trond Myklebust62ae0822012-11-29 17:10:01 -0500900 struct nfs_fsinfo *fsinfo;
Benny Halevy3dda5e42009-04-01 09:21:57 -0400901};
902
Linus Torvalds1da177e2005-04-16 15:20:36 -0700903struct nfs4_getattr_arg {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500904 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700905 const struct nfs_fh * fh;
906 const u32 * bitmask;
907};
908
909struct nfs4_getattr_res {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500910 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700911 const struct nfs_server * server;
912 struct nfs_fattr * fattr;
Steve Dicksone058f702013-05-22 12:50:40 -0400913 struct nfs4_label *label;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700914};
915
916struct nfs4_link_arg {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500917 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700918 const struct nfs_fh * fh;
919 const struct nfs_fh * dir_fh;
920 const struct qstr * name;
Trond Myklebust91ba2ee2005-10-27 22:12:42 -0400921 const u32 * bitmask;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700922};
923
Trond Myklebust91ba2ee2005-10-27 22:12:42 -0400924struct nfs4_link_res {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500925 struct nfs4_sequence_res seq_res;
Trond Myklebust91ba2ee2005-10-27 22:12:42 -0400926 const struct nfs_server * server;
927 struct nfs_fattr * fattr;
Steve Dicksone058f702013-05-22 12:50:40 -0400928 struct nfs4_label *label;
Trond Myklebust91ba2ee2005-10-27 22:12:42 -0400929 struct nfs4_change_info cinfo;
930 struct nfs_fattr * dir_attr;
931};
932
933
Linus Torvalds1da177e2005-04-16 15:20:36 -0700934struct nfs4_lookup_arg {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500935 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700936 const struct nfs_fh * dir_fh;
937 const struct qstr * name;
938 const u32 * bitmask;
939};
940
941struct nfs4_lookup_res {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500942 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700943 const struct nfs_server * server;
944 struct nfs_fattr * fattr;
945 struct nfs_fh * fh;
Steve Dicksone058f702013-05-22 12:50:40 -0400946 struct nfs4_label *label;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700947};
948
949struct nfs4_lookup_root_arg {
Benny Halevy9ff71c32009-04-01 09:21:52 -0400950 struct nfs4_sequence_args seq_args;
Trond Myklebust62ae0822012-11-29 17:10:01 -0500951 const u32 * bitmask;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700952};
953
954struct nfs4_pathconf_arg {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500955 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700956 const struct nfs_fh * fh;
957 const u32 * bitmask;
958};
959
Benny Halevyd45b2982009-04-01 09:21:58 -0400960struct nfs4_pathconf_res {
Benny Halevyd45b2982009-04-01 09:21:58 -0400961 struct nfs4_sequence_res seq_res;
Trond Myklebust62ae0822012-11-29 17:10:01 -0500962 struct nfs_pathconf *pathconf;
Benny Halevyd45b2982009-04-01 09:21:58 -0400963};
964
Linus Torvalds1da177e2005-04-16 15:20:36 -0700965struct nfs4_readdir_arg {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500966 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700967 const struct nfs_fh * fh;
968 u64 cookie;
969 nfs4_verifier verifier;
970 u32 count;
971 struct page ** pages; /* zero-copy data */
972 unsigned int pgbase; /* zero-copy data */
973 const u32 * bitmask;
Bryan Schumaker82f2e542010-10-21 16:33:18 -0400974 int plus;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700975};
976
977struct nfs4_readdir_res {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500978 struct nfs4_sequence_res seq_res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700979 nfs4_verifier verifier;
980 unsigned int pgbase;
981};
982
983struct nfs4_readlink {
Trond Myklebust62ae0822012-11-29 17:10:01 -0500984 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700985 const struct nfs_fh * fh;
986 unsigned int pgbase;
987 unsigned int pglen; /* zero-copy data */
988 struct page ** pages; /* zero-copy data */
989};
990
Benny Halevyf50c7002009-04-01 09:21:55 -0400991struct nfs4_readlink_res {
992 struct nfs4_sequence_res seq_res;
993};
994
Trond Myklebust19d771f2008-10-08 13:54:52 -0400995#define NFS4_SETCLIENTID_NAMELEN (127)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700996struct nfs4_setclientid {
Chuck Levercc38bac2007-12-10 14:56:54 -0500997 const nfs4_verifier * sc_verifier;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700998 unsigned int sc_name_len;
Chuck Leverd1ce02e2008-09-25 11:57:12 -0400999 char sc_name[NFS4_SETCLIENTID_NAMELEN + 1];
Chuck Levercc38bac2007-12-10 14:56:54 -05001000 u32 sc_prog;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001001 unsigned int sc_netid_len;
Chuck Leverd1ce02e2008-09-25 11:57:12 -04001002 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001003 unsigned int sc_uaddr_len;
Chuck Leverd1ce02e2008-09-25 11:57:12 -04001004 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
Chuck Levercc38bac2007-12-10 14:56:54 -05001005 u32 sc_cb_ident;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001006};
1007
Trond Myklebustbb8b27e2010-04-16 16:43:06 -04001008struct nfs4_setclientid_res {
1009 u64 clientid;
1010 nfs4_verifier confirm;
1011};
1012
Linus Torvalds1da177e2005-04-16 15:20:36 -07001013struct nfs4_statfs_arg {
Trond Myklebust62ae0822012-11-29 17:10:01 -05001014 struct nfs4_sequence_args seq_args;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001015 const struct nfs_fh * fh;
1016 const u32 * bitmask;
1017};
1018
Benny Halevy24ad1482009-04-01 09:21:56 -04001019struct nfs4_statfs_res {
Benny Halevy24ad1482009-04-01 09:21:56 -04001020 struct nfs4_sequence_res seq_res;
Trond Myklebust62ae0822012-11-29 17:10:01 -05001021 struct nfs_fsstat *fsstat;
Benny Halevy24ad1482009-04-01 09:21:56 -04001022};
1023
Benny Halevy43652ad2009-04-01 09:21:54 -04001024struct nfs4_server_caps_arg {
Benny Halevy43652ad2009-04-01 09:21:54 -04001025 struct nfs4_sequence_args seq_args;
Trond Myklebust62ae0822012-11-29 17:10:01 -05001026 struct nfs_fh *fhandle;
Benny Halevy43652ad2009-04-01 09:21:54 -04001027};
1028
Linus Torvalds1da177e2005-04-16 15:20:36 -07001029struct nfs4_server_caps_res {
Trond Myklebust62ae0822012-11-29 17:10:01 -05001030 struct nfs4_sequence_res seq_res;
Fred Isamandae100c2011-07-30 20:52:37 -04001031 u32 attr_bitmask[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001032 u32 acl_bitmask;
1033 u32 has_links;
1034 u32 has_symlinks;
Chuck Lever264e6352012-03-01 17:02:05 -05001035 u32 fh_expire_type;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001036};
1037
Manoj Naik7aaa0b32006-06-09 09:34:23 -04001038#define NFS4_PATHNAME_MAXCOMPONENTS 512
1039struct nfs4_pathname {
1040 unsigned int ncomponents;
1041 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
1042};
1043
1044#define NFS4_FS_LOCATION_MAXSERVERS 10
1045struct nfs4_fs_location {
1046 unsigned int nservers;
1047 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
1048 struct nfs4_pathname rootpath;
1049};
1050
1051#define NFS4_FS_LOCATIONS_MAXENTRIES 10
1052struct nfs4_fs_locations {
Trond Myklebust683b57b2006-06-09 09:34:22 -04001053 struct nfs_fattr fattr;
1054 const struct nfs_server *server;
Manoj Naik7aaa0b32006-06-09 09:34:23 -04001055 struct nfs4_pathname fs_path;
Trond Myklebust683b57b2006-06-09 09:34:22 -04001056 int nlocations;
Manoj Naik7aaa0b32006-06-09 09:34:23 -04001057 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
Trond Myklebust683b57b2006-06-09 09:34:22 -04001058};
1059
1060struct nfs4_fs_locations_arg {
Trond Myklebust62ae0822012-11-29 17:10:01 -05001061 struct nfs4_sequence_args seq_args;
Trond Myklebust683b57b2006-06-09 09:34:22 -04001062 const struct nfs_fh *dir_fh;
Chuck Leverb03d7352013-10-17 14:12:50 -04001063 const struct nfs_fh *fh;
Trond Myklebust683b57b2006-06-09 09:34:22 -04001064 const struct qstr *name;
1065 struct page *page;
1066 const u32 *bitmask;
Chuck Leverb03d7352013-10-17 14:12:50 -04001067 clientid4 clientid;
1068 unsigned char migration:1, renew:1;
Trond Myklebust683b57b2006-06-09 09:34:22 -04001069};
1070
Benny Halevy22958462009-04-01 09:22:02 -04001071struct nfs4_fs_locations_res {
Benny Halevy22958462009-04-01 09:22:02 -04001072 struct nfs4_sequence_res seq_res;
Trond Myklebust62ae0822012-11-29 17:10:01 -05001073 struct nfs4_fs_locations *fs_locations;
Chuck Leverb03d7352013-10-17 14:12:50 -04001074 unsigned char migration:1, renew:1;
Benny Halevy22958462009-04-01 09:22:02 -04001075};
1076
Chuck Leverfb15b262013-03-16 15:54:34 -04001077struct nfs4_secinfo4 {
1078 u32 flavor;
1079 struct rpcsec_gss_info flavor_info;
Bryan Schumaker5a5ea0d2011-03-24 17:12:29 +00001080};
1081
1082struct nfs4_secinfo_flavors {
Chuck Leverfb15b262013-03-16 15:54:34 -04001083 unsigned int num_flavors;
1084 struct nfs4_secinfo4 flavors[0];
Bryan Schumaker5a5ea0d2011-03-24 17:12:29 +00001085};
1086
1087struct nfs4_secinfo_arg {
Trond Myklebust62ae0822012-11-29 17:10:01 -05001088 struct nfs4_sequence_args seq_args;
Bryan Schumaker5a5ea0d2011-03-24 17:12:29 +00001089 const struct nfs_fh *dir_fh;
1090 const struct qstr *name;
Bryan Schumaker5a5ea0d2011-03-24 17:12:29 +00001091};
1092
1093struct nfs4_secinfo_res {
Bryan Schumaker5a5ea0d2011-03-24 17:12:29 +00001094 struct nfs4_sequence_res seq_res;
Trond Myklebust62ae0822012-11-29 17:10:01 -05001095 struct nfs4_secinfo_flavors *flavors;
Bryan Schumaker5a5ea0d2011-03-24 17:12:29 +00001096};
1097
Chuck Lever44c99932013-10-17 14:13:30 -04001098struct nfs4_fsid_present_arg {
1099 struct nfs4_sequence_args seq_args;
1100 const struct nfs_fh *fh;
1101 clientid4 clientid;
1102 unsigned char renew:1;
1103};
1104
1105struct nfs4_fsid_present_res {
1106 struct nfs4_sequence_res seq_res;
1107 struct nfs_fh *fh;
1108 unsigned char renew:1;
1109};
1110
Linus Torvalds1da177e2005-04-16 15:20:36 -07001111#endif /* CONFIG_NFS_V4 */
1112
Benny Halevy99fe60d2009-04-01 09:22:29 -04001113struct nfstime4 {
1114 u64 seconds;
1115 u32 nseconds;
1116};
1117
1118#ifdef CONFIG_NFS_V4_1
Fred Isamanea2cf222012-04-20 14:47:53 -04001119
1120struct pnfs_commit_bucket {
1121 struct list_head written;
1122 struct list_head committing;
1123 struct pnfs_layout_segment *wlseg;
1124 struct pnfs_layout_segment *clseg;
1125};
1126
1127struct pnfs_ds_commit_info {
1128 int nwritten;
1129 int ncommitting;
1130 int nbuckets;
1131 struct pnfs_commit_bucket *buckets;
1132};
1133
Weston Andros Adamson2031cd12013-08-13 16:37:32 -04001134#define NFS4_OP_MAP_NUM_LONGS \
1135 DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long))
1136#define NFS4_OP_MAP_NUM_WORDS \
1137 (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32))
1138struct nfs4_op_map {
1139 union {
1140 unsigned long longs[NFS4_OP_MAP_NUM_LONGS];
1141 u32 words[NFS4_OP_MAP_NUM_WORDS];
1142 } u;
1143};
1144
1145struct nfs41_state_protection {
1146 u32 how;
1147 struct nfs4_op_map enforce;
1148 struct nfs4_op_map allow;
1149};
1150
Benny Halevy99fe60d2009-04-01 09:22:29 -04001151#define NFS4_EXCHANGE_ID_LEN (48)
1152struct nfs41_exchange_id_args {
1153 struct nfs_client *client;
1154 nfs4_verifier *verifier;
1155 unsigned int id_len;
1156 char id[NFS4_EXCHANGE_ID_LEN];
1157 u32 flags;
Weston Andros Adamson2031cd12013-08-13 16:37:32 -04001158 struct nfs41_state_protection state_protect;
Benny Halevy99fe60d2009-04-01 09:22:29 -04001159};
1160
Chuck Leveracdeb692012-05-21 22:46:16 -04001161struct nfs41_server_owner {
Benny Halevy99fe60d2009-04-01 09:22:29 -04001162 uint64_t minor_id;
1163 uint32_t major_id_sz;
1164 char major_id[NFS4_OPAQUE_LIMIT];
1165};
1166
Chuck Lever79d4e1f2012-05-21 22:44:31 -04001167struct nfs41_server_scope {
Benny Halevy99fe60d2009-04-01 09:22:29 -04001168 uint32_t server_scope_sz;
1169 char server_scope[NFS4_OPAQUE_LIMIT];
1170};
1171
Weston Andros Adamson7d2ed9a2012-02-17 15:20:26 -05001172struct nfs41_impl_id {
1173 char domain[NFS4_OPAQUE_LIMIT + 1];
1174 char name[NFS4_OPAQUE_LIMIT + 1];
1175 struct nfstime4 date;
1176};
1177
Weston Andros Adamson7c44f1ae2012-05-24 13:22:50 -04001178struct nfs41_bind_conn_to_session_res {
1179 struct nfs4_session *session;
1180 u32 dir;
1181 bool use_conn_in_rdma_mode;
1182};
1183
Benny Halevy99fe60d2009-04-01 09:22:29 -04001184struct nfs41_exchange_id_res {
Trond Myklebust32b01312012-05-26 13:41:04 -04001185 u64 clientid;
1186 u32 seqid;
Benny Halevy99fe60d2009-04-01 09:22:29 -04001187 u32 flags;
Chuck Leveracdeb692012-05-21 22:46:16 -04001188 struct nfs41_server_owner *server_owner;
Chuck Lever79d4e1f2012-05-21 22:44:31 -04001189 struct nfs41_server_scope *server_scope;
Weston Andros Adamson7d2ed9a2012-02-17 15:20:26 -05001190 struct nfs41_impl_id *impl_id;
Weston Andros Adamson2031cd12013-08-13 16:37:32 -04001191 struct nfs41_state_protection state_protect;
Benny Halevy99fe60d2009-04-01 09:22:29 -04001192};
Andy Adamsonfc931582009-04-01 09:22:31 -04001193
1194struct nfs41_create_session_args {
1195 struct nfs_client *client;
1196 uint32_t flags;
1197 uint32_t cb_program;
1198 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
1199 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
1200};
1201
1202struct nfs41_create_session_res {
1203 struct nfs_client *client;
1204};
Ricardo Labiaga180197532009-12-05 16:08:40 -05001205
1206struct nfs41_reclaim_complete_args {
Trond Myklebust62ae0822012-11-29 17:10:01 -05001207 struct nfs4_sequence_args seq_args;
Ricardo Labiaga180197532009-12-05 16:08:40 -05001208 /* In the future extend to include curr_fh for use with migration */
1209 unsigned char one_fs:1;
Ricardo Labiaga180197532009-12-05 16:08:40 -05001210};
1211
1212struct nfs41_reclaim_complete_res {
1213 struct nfs4_sequence_res seq_res;
1214};
Bryan Schumakerfca78d62011-06-02 14:59:07 -04001215
1216#define SECINFO_STYLE_CURRENT_FH 0
1217#define SECINFO_STYLE_PARENT 1
1218struct nfs41_secinfo_no_name_args {
Bryan Schumakerfca78d62011-06-02 14:59:07 -04001219 struct nfs4_sequence_args seq_args;
Trond Myklebust62ae0822012-11-29 17:10:01 -05001220 int style;
Bryan Schumakerfca78d62011-06-02 14:59:07 -04001221};
1222
Bryan Schumaker7d974792011-06-02 14:59:08 -04001223struct nfs41_test_stateid_args {
Bryan Schumaker7d974792011-06-02 14:59:08 -04001224 struct nfs4_sequence_args seq_args;
Trond Myklebust62ae0822012-11-29 17:10:01 -05001225 nfs4_stateid *stateid;
Bryan Schumaker7d974792011-06-02 14:59:08 -04001226};
1227
1228struct nfs41_test_stateid_res {
Bryan Schumaker7d974792011-06-02 14:59:08 -04001229 struct nfs4_sequence_res seq_res;
Trond Myklebust62ae0822012-11-29 17:10:01 -05001230 unsigned int status;
Bryan Schumaker7d974792011-06-02 14:59:08 -04001231};
1232
Bryan Schumaker9aeda352011-06-02 14:59:09 -04001233struct nfs41_free_stateid_args {
Bryan Schumaker9aeda352011-06-02 14:59:09 -04001234 struct nfs4_sequence_args seq_args;
Trond Myklebust7c1d5fa2013-05-03 14:40:01 -04001235 nfs4_stateid stateid;
Bryan Schumaker9aeda352011-06-02 14:59:09 -04001236};
1237
1238struct nfs41_free_stateid_res {
Bryan Schumaker9aeda352011-06-02 14:59:09 -04001239 struct nfs4_sequence_res seq_res;
Trond Myklebust62ae0822012-11-29 17:10:01 -05001240 unsigned int status;
Bryan Schumaker9aeda352011-06-02 14:59:09 -04001241};
1242
Trond Myklebust4f976152012-04-30 18:39:20 -04001243#else
1244
1245struct pnfs_ds_commit_info {
1246};
1247
Benny Halevy99fe60d2009-04-01 09:22:29 -04001248#endif /* CONFIG_NFS_V4_1 */
1249
Linus Torvalds1da177e2005-04-16 15:20:36 -07001250struct nfs_page;
1251
Chuck Lever40859d72005-11-30 18:09:02 -05001252#define NFS_PAGEVEC_SIZE (8U)
1253
Fred Isaman30dd3742012-04-20 14:47:45 -04001254struct nfs_page_array {
1255 struct page **pagevec;
1256 unsigned int npages; /* Max length of pagevec */
1257 struct page *page_array[NFS_PAGEVEC_SIZE];
1258};
1259
Linus Torvalds1da177e2005-04-16 15:20:36 -07001260struct nfs_read_data {
Fred Isamancd841602012-04-20 14:47:44 -04001261 struct nfs_pgio_header *header;
1262 struct list_head list;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001263 struct rpc_task task;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001264 struct nfs_fattr fattr; /* fattr storage */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001265 struct nfs_readargs args;
1266 struct nfs_readres res;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001267 unsigned long timestamp; /* For lease renewal */
Andy Adamsoncbdabc72011-03-01 01:34:20 +00001268 int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data);
Andy Adamsondc70d7b2011-03-01 01:34:19 +00001269 __u64 mds_offset;
Fred Isaman30dd3742012-04-20 14:47:45 -04001270 struct nfs_page_array pages;
Fred Isamancd841602012-04-20 14:47:44 -04001271 struct nfs_client *ds_clp; /* pNFS data server */
1272};
1273
Fred Isaman4db6e0b2012-04-20 14:47:46 -04001274/* used as flag bits in nfs_pgio_header */
1275enum {
1276 NFS_IOHDR_ERROR = 0,
1277 NFS_IOHDR_EOF,
1278 NFS_IOHDR_REDO,
Fred Isaman6c75dc02012-04-20 14:47:47 -04001279 NFS_IOHDR_NEED_COMMIT,
1280 NFS_IOHDR_NEED_RESCHED,
Fred Isaman4db6e0b2012-04-20 14:47:46 -04001281};
1282
Fred Isamancd841602012-04-20 14:47:44 -04001283struct nfs_pgio_header {
1284 struct inode *inode;
1285 struct rpc_cred *cred;
1286 struct list_head pages;
Fred Isaman4db6e0b2012-04-20 14:47:46 -04001287 struct list_head rpc_list;
1288 atomic_t refcnt;
Fred Isamancd841602012-04-20 14:47:44 -04001289 struct nfs_page *req;
Trond Myklebust9bce0082012-06-05 18:32:03 -04001290 struct nfs_writeverf *verf;
Fred Isamancd841602012-04-20 14:47:44 -04001291 struct pnfs_layout_segment *lseg;
Fred Isaman4db6e0b2012-04-20 14:47:46 -04001292 loff_t io_start;
Fred Isamancd841602012-04-20 14:47:44 -04001293 const struct rpc_call_ops *mds_ops;
Fred Isaman4db6e0b2012-04-20 14:47:46 -04001294 void (*release) (struct nfs_pgio_header *hdr);
Fred Isaman061ae2e2012-04-20 14:47:48 -04001295 const struct nfs_pgio_completion_ops *completion_ops;
Fred Isaman584aa812012-04-20 14:47:51 -04001296 struct nfs_direct_req *dreq;
Peng Taof6166382012-08-02 15:36:09 +03001297 void *layout_private;
Fred Isaman4db6e0b2012-04-20 14:47:46 -04001298 spinlock_t lock;
1299 /* fields protected by lock */
Fred Isamancd841602012-04-20 14:47:44 -04001300 int pnfs_error;
Fred Isaman4db6e0b2012-04-20 14:47:46 -04001301 int error; /* merge with pnfs_error */
1302 unsigned long good_bytes; /* boundary of good data */
1303 unsigned long flags;
Fred Isamancd841602012-04-20 14:47:44 -04001304};
1305
1306struct nfs_read_header {
1307 struct nfs_pgio_header header;
1308 struct nfs_read_data rpc_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001309};
1310
1311struct nfs_write_data {
Fred Isamancd841602012-04-20 14:47:44 -04001312 struct nfs_pgio_header *header;
1313 struct list_head list;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001314 struct rpc_task task;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001315 struct nfs_fattr fattr;
1316 struct nfs_writeverf verf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001317 struct nfs_writeargs args; /* argument struct */
1318 struct nfs_writeres res; /* result struct */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001319 unsigned long timestamp; /* For lease renewal */
Fred Isamancd841602012-04-20 14:47:44 -04001320 int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
Fred Isamana69aef12011-03-03 15:13:47 +00001321 __u64 mds_offset; /* Filelayout dense stripe */
Fred Isaman30dd3742012-04-20 14:47:45 -04001322 struct nfs_page_array pages;
Fred Isamancd841602012-04-20 14:47:44 -04001323 struct nfs_client *ds_clp; /* pNFS data server */
1324};
1325
1326struct nfs_write_header {
1327 struct nfs_pgio_header header;
1328 struct nfs_write_data rpc_data;
Trond Myklebust9bce0082012-06-05 18:32:03 -04001329 struct nfs_writeverf verf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001330};
1331
Fred Isamanea2cf222012-04-20 14:47:53 -04001332struct nfs_mds_commit_info {
1333 atomic_t rpcs_out;
1334 unsigned long ncommit;
1335 struct list_head list;
1336};
1337
Fred Isamanf453a542012-04-20 14:47:54 -04001338struct nfs_commit_data;
1339struct nfs_inode;
1340struct nfs_commit_completion_ops {
1341 void (*error_cleanup) (struct nfs_inode *nfsi);
1342 void (*completion) (struct nfs_commit_data *data);
1343};
1344
Fred Isamanea2cf222012-04-20 14:47:53 -04001345struct nfs_commit_info {
1346 spinlock_t *lock;
1347 struct nfs_mds_commit_info *mds;
1348 struct pnfs_ds_commit_info *ds;
Fred Isamanb359f9d2012-04-20 14:47:55 -04001349 struct nfs_direct_req *dreq; /* O_DIRECT request */
Fred Isamanf453a542012-04-20 14:47:54 -04001350 const struct nfs_commit_completion_ops *completion_ops;
Fred Isamanea2cf222012-04-20 14:47:53 -04001351};
1352
Fred Isaman0b7c0152012-04-20 14:47:39 -04001353struct nfs_commit_data {
1354 struct rpc_task task;
1355 struct inode *inode;
1356 struct rpc_cred *cred;
1357 struct nfs_fattr fattr;
1358 struct nfs_writeverf verf;
1359 struct list_head pages; /* Coalesced requests we wish to flush */
1360 struct list_head list; /* lists of struct nfs_write_data */
1361 struct nfs_direct_req *dreq; /* O_DIRECT request */
1362 struct nfs_commitargs args; /* argument struct */
1363 struct nfs_commitres res; /* result struct */
1364 struct nfs_open_context *context;
1365 struct pnfs_layout_segment *lseg;
1366 struct nfs_client *ds_clp; /* pNFS data server */
1367 int ds_commit_index;
1368 const struct rpc_call_ops *mds_ops;
Fred Isamanf453a542012-04-20 14:47:54 -04001369 const struct nfs_commit_completion_ops *completion_ops;
Fred Isaman0b7c0152012-04-20 14:47:39 -04001370 int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
1371};
1372
Fred Isaman061ae2e2012-04-20 14:47:48 -04001373struct nfs_pgio_completion_ops {
1374 void (*error_cleanup)(struct list_head *head);
Fred Isaman584aa812012-04-20 14:47:51 -04001375 void (*init_hdr)(struct nfs_pgio_header *hdr);
Fred Isaman061ae2e2012-04-20 14:47:48 -04001376 void (*completion)(struct nfs_pgio_header *hdr);
1377};
1378
Bryan Schumaker34e137c2012-03-19 14:54:41 -04001379struct nfs_unlinkdata {
1380 struct hlist_node list;
1381 struct nfs_removeargs args;
1382 struct nfs_removeres res;
1383 struct inode *dir;
1384 struct rpc_cred *cred;
1385 struct nfs_fattr dir_attr;
1386};
1387
Bryan Schumakerc6bfa1a2012-03-19 14:54:42 -04001388struct nfs_renamedata {
1389 struct nfs_renameargs args;
1390 struct nfs_renameres res;
1391 struct rpc_cred *cred;
1392 struct inode *old_dir;
1393 struct dentry *old_dentry;
1394 struct nfs_fattr old_fattr;
1395 struct inode *new_dir;
1396 struct dentry *new_dentry;
1397 struct nfs_fattr new_fattr;
1398};
1399
Linus Torvalds1da177e2005-04-16 15:20:36 -07001400struct nfs_access_entry;
Andy Adamson45a52a02011-03-01 01:34:08 +00001401struct nfs_client;
Trond Myklebuste0dca7a2011-03-14 18:20:01 -04001402struct rpc_timeout;
Bryan Schumakerff9099f22012-07-30 16:05:18 -04001403struct nfs_subversion;
1404struct nfs_mount_info;
Bryan Schumaker6663ee72012-06-20 15:53:46 -04001405struct nfs_client_initdata;
Bryan Schumaker1abb50882012-06-20 15:53:47 -04001406struct nfs_pageio_descriptor;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001407
1408/*
1409 * RPC procedure vector for NFSv2/NFSv3 demuxing
1410 */
1411struct nfs_rpc_ops {
Chuck Leverc0e07cb2008-01-14 12:32:05 -05001412 u32 version; /* Protocol version */
Al Virof786aa92009-02-20 05:51:22 +00001413 const struct dentry_operations *dentry_ops;
Arjan van de Venc5ef1c42007-02-12 00:55:40 -08001414 const struct inode_operations *dir_inode_ops;
1415 const struct inode_operations *file_inode_ops;
Jeff Layton1788ea62011-11-04 13:31:21 -04001416 const struct file_operations *file_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001417
1418 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1419 struct nfs_fsinfo *);
Bryan Schumaker281cad42012-04-27 13:27:45 -04001420 struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
1421 struct nfs_fh *, struct nfs_fattr *);
Bryan Schumakerff9099f22012-07-30 16:05:18 -04001422 struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
1423 struct nfs_subversion *);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001424 int (*getattr) (struct nfs_server *, struct nfs_fh *,
David Quigley1775fd32013-05-22 12:50:42 -04001425 struct nfs_fattr *, struct nfs4_label *);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001426 int (*setattr) (struct dentry *, struct nfs_fattr *,
1427 struct iattr *);
Bryan Schumaker80a16b22012-04-27 13:27:46 -04001428 int (*lookup) (struct inode *, struct qstr *,
David Quigley1775fd32013-05-22 12:50:42 -04001429 struct nfs_fh *, struct nfs_fattr *,
1430 struct nfs4_label *);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001431 int (*access) (struct inode *, struct nfs_access_entry *);
1432 int (*readlink)(struct inode *, struct page *, unsigned int,
1433 unsigned int);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001434 int (*create) (struct inode *, struct dentry *,
Miklos Szeredi8867fe52012-06-05 15:10:19 +02001435 struct iattr *, int);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001436 int (*remove) (struct inode *, struct qstr *);
Trond Myklebuste4eff1a2007-07-14 15:39:58 -04001437 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
Bryan Schumaker34e137c2012-03-19 14:54:41 -04001438 void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
Trond Myklebuste4eff1a2007-07-14 15:39:58 -04001439 int (*unlink_done) (struct rpc_task *, struct inode *);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001440 int (*rename) (struct inode *, struct qstr *,
1441 struct inode *, struct qstr *);
Jeff Laytond3d41522010-09-17 17:31:57 -04001442 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
Bryan Schumakerc6bfa1a2012-03-19 14:54:42 -04001443 void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *);
Jeff Laytond3d41522010-09-17 17:31:57 -04001444 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001445 int (*link) (struct inode *, struct inode *, struct qstr *);
Chuck Lever94a6d752006-08-22 20:06:23 -04001446 int (*symlink) (struct inode *, struct dentry *, struct page *,
1447 unsigned int, struct iattr *);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001448 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1449 int (*rmdir) (struct inode *, struct qstr *);
1450 int (*readdir) (struct dentry *, struct rpc_cred *,
Bryan Schumaker56e4ebf2010-10-20 15:44:37 -04001451 u64, struct page **, unsigned int, int);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001452 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1453 dev_t);
1454 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1455 struct nfs_fsstat *);
1456 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1457 struct nfs_fsinfo *);
1458 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1459 struct nfs_pathconf *);
David Howellse9326dc2006-08-22 20:06:10 -04001460 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
Chuck Lever573c4e12010-12-14 14:58:11 +00001461 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
Trond Myklebustbdc7f022007-07-14 15:40:00 -04001462 void (*read_setup) (struct nfs_read_data *, struct rpc_message *);
Bryan Schumaker1abb50882012-06-20 15:53:47 -04001463 void (*read_pageio_init)(struct nfs_pageio_descriptor *, struct inode *,
1464 const struct nfs_pgio_completion_ops *);
NeilBrownef1820f2013-09-04 17:04:49 +10001465 int (*read_rpc_prepare)(struct rpc_task *, struct nfs_read_data *);
Trond Myklebustec06c092006-03-20 13:44:27 -05001466 int (*read_done) (struct rpc_task *, struct nfs_read_data *);
Trond Myklebustbdc7f022007-07-14 15:40:00 -04001467 void (*write_setup) (struct nfs_write_data *, struct rpc_message *);
Bryan Schumaker57208fa2012-06-20 15:53:48 -04001468 void (*write_pageio_init)(struct nfs_pageio_descriptor *, struct inode *, int,
1469 const struct nfs_pgio_completion_ops *);
NeilBrownef1820f2013-09-04 17:04:49 +10001470 int (*write_rpc_prepare)(struct rpc_task *, struct nfs_write_data *);
Trond Myklebust788e7a82006-03-20 13:44:27 -05001471 int (*write_done) (struct rpc_task *, struct nfs_write_data *);
Fred Isaman0b7c0152012-04-20 14:47:39 -04001472 void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
1473 void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
1474 int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001475 int (*lock)(struct file *, int, struct file_lock *);
Trond Myklebust21162712008-05-20 19:34:39 -04001476 int (*lock_check_bounds)(const struct file_lock *);
Trond Myklebustada70d92005-06-22 17:16:22 +00001477 void (*clear_acl_cache)(struct inode *);
Trond Myklebust7fe5c392009-03-19 15:35:50 -04001478 void (*close_context)(struct nfs_open_context *ctx, int);
Trond Myklebust2b484292010-09-17 10:56:51 -04001479 struct inode * (*open_context) (struct inode *dir,
1480 struct nfs_open_context *ctx,
1481 int open_flags,
Trond Myklebust5bc2afc2013-09-23 18:01:28 -04001482 struct iattr *iattr,
1483 int *);
Bryan Schumaker011e2a72012-06-20 15:53:43 -04001484 int (*have_delegation)(struct inode *, fmode_t);
Bryan Schumaker57ec14c2012-06-20 15:53:44 -04001485 int (*return_delegation)(struct inode *);
Bryan Schumaker6663ee72012-06-20 15:53:46 -04001486 struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
Chuck Lever8cab4c32012-05-21 22:45:59 -04001487 struct nfs_client *
1488 (*init_client) (struct nfs_client *, const struct rpc_timeout *,
Andy Adamsonf8407292013-07-24 11:59:49 -04001489 const char *);
Bryan Schumakercdb7ece2012-06-20 15:53:45 -04001490 void (*free_client) (struct nfs_client *);
Bryan Schumaker1179acc2012-07-30 16:05:19 -04001491 struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *);
1492 struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
1493 struct nfs_fattr *, rpc_authflavor_t);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001494};
1495
1496/*
1497 * NFS_CALL(getattr, inode, (fattr));
1498 * into
1499 * NFS_PROTO(inode)->getattr(fattr);
1500 */
1501#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1502
1503/*
1504 * Function vectors etc. for the NFS client
1505 */
David Howells509de812006-08-22 20:06:11 -04001506extern const struct nfs_rpc_ops nfs_v2_clientops;
1507extern const struct nfs_rpc_ops nfs_v3_clientops;
1508extern const struct nfs_rpc_ops nfs_v4_clientops;
Trond Myklebusta613fa12012-01-20 13:53:56 -05001509extern const struct rpc_version nfs_version2;
1510extern const struct rpc_version nfs_version3;
1511extern const struct rpc_version nfs_version4;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001512
Trond Myklebusta613fa12012-01-20 13:53:56 -05001513extern const struct rpc_version nfsacl_version3;
1514extern const struct rpc_program nfsacl_program;
Andreas Gruenbacherb7fa0552005-06-22 17:16:27 +00001515
Linus Torvalds1da177e2005-04-16 15:20:36 -07001516#endif