1 #ifndef _LINUX_NFS_XDR_H
2 #define _LINUX_NFS_XDR_H
4 #include <linux/nfsacl.h>
5 #include <linux/nfs3.h>
6 #include <linux/sunrpc/gss_api.h>
9 * To change the maximum rsize and wsize supported by the NFS client, adjust
10 * NFS_MAX_FILE_IO_SIZE. 64KB is a typical maximum, but some servers can
11 * support a megabyte or more. The default is left at 4096 bytes, which is
12 * reasonable for NFS over UDP.
14 #define NFS_MAX_FILE_IO_SIZE (1048576U)
15 #define NFS_DEF_FILE_IO_SIZE (4096U)
16 #define NFS_MIN_FILE_IO_SIZE (1024U)
18 /* Forward declaration for NFS v3 */
19 struct nfs4_secinfo_flavors;
27 * Helper for checking equality between 2 fsids.
29 static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
31 return a->major == b->major && a->minor == b->minor;
35 unsigned int valid; /* which fields are valid */
53 __u64 mounted_on_fileid;
54 struct timespec atime;
55 struct timespec mtime;
56 struct timespec ctime;
57 __u64 change_attr; /* NFSv4 change attribute */
58 __u64 pre_change_attr;/* pre-op NFSv4 change attribute */
59 __u64 pre_size; /* pre_op_attr.size */
60 struct timespec pre_mtime; /* pre_op_attr.mtime */
61 struct timespec pre_ctime; /* pre_op_attr.ctime */
62 unsigned long time_start;
63 unsigned long gencount;
66 #define NFS_ATTR_FATTR_TYPE (1U << 0)
67 #define NFS_ATTR_FATTR_MODE (1U << 1)
68 #define NFS_ATTR_FATTR_NLINK (1U << 2)
69 #define NFS_ATTR_FATTR_OWNER (1U << 3)
70 #define NFS_ATTR_FATTR_GROUP (1U << 4)
71 #define NFS_ATTR_FATTR_RDEV (1U << 5)
72 #define NFS_ATTR_FATTR_SIZE (1U << 6)
73 #define NFS_ATTR_FATTR_PRESIZE (1U << 7)
74 #define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
75 #define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
76 #define NFS_ATTR_FATTR_FSID (1U << 10)
77 #define NFS_ATTR_FATTR_FILEID (1U << 11)
78 #define NFS_ATTR_FATTR_ATIME (1U << 12)
79 #define NFS_ATTR_FATTR_MTIME (1U << 13)
80 #define NFS_ATTR_FATTR_CTIME (1U << 14)
81 #define NFS_ATTR_FATTR_PREMTIME (1U << 15)
82 #define NFS_ATTR_FATTR_PRECTIME (1U << 16)
83 #define NFS_ATTR_FATTR_CHANGE (1U << 17)
84 #define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
85 #define NFS_ATTR_FATTR_V4_REFERRAL (1U << 19) /* NFSv4 referral */
86 #define NFS_ATTR_FATTR_MOUNTPOINT (1U << 20) /* Treat as mountpoint */
87 #define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 21)
89 #define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
90 | NFS_ATTR_FATTR_MODE \
91 | NFS_ATTR_FATTR_NLINK \
92 | NFS_ATTR_FATTR_OWNER \
93 | NFS_ATTR_FATTR_GROUP \
94 | NFS_ATTR_FATTR_RDEV \
95 | NFS_ATTR_FATTR_SIZE \
96 | NFS_ATTR_FATTR_FSID \
97 | NFS_ATTR_FATTR_FILEID \
98 | NFS_ATTR_FATTR_ATIME \
99 | NFS_ATTR_FATTR_MTIME \
100 | NFS_ATTR_FATTR_CTIME)
101 #define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
102 | NFS_ATTR_FATTR_BLOCKS_USED)
103 #define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
104 | NFS_ATTR_FATTR_SPACE_USED)
105 #define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
106 | NFS_ATTR_FATTR_SPACE_USED \
107 | NFS_ATTR_FATTR_CHANGE)
110 * Info on the file system
113 struct nfs_fattr *fattr; /* Post-op attributes */
114 __u32 rtmax; /* max. read transfer size */
115 __u32 rtpref; /* pref. read transfer size */
116 __u32 rtmult; /* reads should be multiple of this */
117 __u32 wtmax; /* max. write transfer size */
118 __u32 wtpref; /* pref. write transfer size */
119 __u32 wtmult; /* writes should be multiple of this */
120 __u32 dtpref; /* pref. readdir transfer size */
122 struct timespec time_delta; /* server time granularity */
123 __u32 lease_time; /* in seconds */
124 __u32 layouttype; /* supported pnfs layout driver */
128 struct nfs_fattr *fattr; /* Post-op attributes */
129 __u64 tbytes; /* total size in bytes */
130 __u64 fbytes; /* # of free bytes */
131 __u64 abytes; /* # of bytes available to user */
132 __u64 tfiles; /* # of files */
133 __u64 ffiles; /* # of free files */
134 __u64 afiles; /* # of files available to user */
138 __u32 tsize; /* Server transfer size */
139 __u32 bsize; /* Filesystem block size */
140 __u32 blocks; /* No. of "bsize" blocks on filesystem */
141 __u32 bfree; /* No. of free "bsize" blocks */
142 __u32 bavail; /* No. of available "bsize" blocks */
145 struct nfs_pathconf {
146 struct nfs_fattr *fattr; /* Post-op attributes */
147 __u32 max_link; /* max # of hard links */
148 __u32 max_namelen; /* max name length */
151 struct nfs4_change_info {
159 /* nfs41 sessions channel attributes */
160 struct nfs4_channel_attrs {
163 u32 max_resp_sz_cached;
168 /* nfs41 sessions slot seqid */
173 struct nfs4_sequence_args {
174 struct nfs4_session *sa_session;
179 struct nfs4_sequence_res {
180 struct nfs4_session *sr_session;
181 struct nfs4_slot *sr_slot; /* slot used to send request */
182 int sr_status; /* sequence operation status */
183 unsigned long sr_renewal_time;
187 struct nfs4_get_lease_time_args {
188 struct nfs4_sequence_args la_seq_args;
191 struct nfs4_get_lease_time_res {
192 struct nfs_fsinfo *lr_fsinfo;
193 struct nfs4_sequence_res lr_seq_res;
196 #define PNFS_LAYOUT_MAXSIZE 4096
198 struct nfs4_layoutdriver_data {
204 struct pnfs_layout_range {
210 struct nfs4_layoutget_args {
212 struct pnfs_layout_range range;
216 struct nfs_open_context *ctx;
217 struct nfs4_sequence_args seq_args;
218 nfs4_stateid stateid;
219 struct nfs4_layoutdriver_data layout;
222 struct nfs4_layoutget_res {
223 __u32 return_on_close;
224 struct pnfs_layout_range range;
226 nfs4_stateid stateid;
227 struct nfs4_sequence_res seq_res;
228 struct nfs4_layoutdriver_data *layoutp;
231 struct nfs4_layoutget {
232 struct nfs4_layoutget_args args;
233 struct nfs4_layoutget_res res;
234 struct pnfs_layout_segment **lsegpp;
238 struct nfs4_getdevicelist_args {
239 const struct nfs_fh *fh;
241 struct nfs4_sequence_args seq_args;
244 struct nfs4_getdevicelist_res {
245 struct pnfs_devicelist *devlist;
246 struct nfs4_sequence_res seq_res;
249 struct nfs4_getdeviceinfo_args {
250 struct pnfs_device *pdev;
251 struct nfs4_sequence_args seq_args;
254 struct nfs4_getdeviceinfo_res {
255 struct pnfs_device *pdev;
256 struct nfs4_sequence_res seq_res;
259 struct nfs4_layoutcommit_args {
260 nfs4_stateid stateid;
261 __u64 lastbytewritten;
264 struct nfs4_sequence_args seq_args;
267 struct nfs4_layoutcommit_res {
268 struct nfs_fattr *fattr;
269 const struct nfs_server *server;
270 struct nfs4_sequence_res seq_res;
273 struct nfs4_layoutcommit_data {
274 struct rpc_task task;
275 struct nfs_fattr fattr;
276 struct list_head lseg_list;
277 struct rpc_cred *cred;
278 struct nfs4_layoutcommit_args args;
279 struct nfs4_layoutcommit_res res;
282 struct nfs4_layoutreturn_args {
283 struct pnfs_layout_hdr *layout;
285 nfs4_stateid stateid;
287 struct nfs4_sequence_args seq_args;
290 struct nfs4_layoutreturn_res {
291 struct nfs4_sequence_res seq_res;
293 nfs4_stateid stateid;
296 struct nfs4_layoutreturn {
297 struct nfs4_layoutreturn_args args;
298 struct nfs4_layoutreturn_res res;
299 struct rpc_cred *cred;
300 struct nfs_client *clp;
305 * Arguments to the open call.
307 struct nfs_openargs {
308 const struct nfs_fh * fh;
309 struct nfs_seqid * seqid;
316 struct iattr * attrs; /* UNCHECKED, GUARDED */
317 nfs4_verifier verifier; /* EXCLUSIVE */
319 nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
320 fmode_t delegation_type; /* CLAIM_PREVIOUS */
322 const struct qstr * name;
323 const struct nfs_server *server; /* Needed for ID mapping */
326 struct nfs4_sequence_args seq_args;
330 nfs4_stateid stateid;
332 struct nfs4_change_info cinfo;
334 struct nfs_fattr * f_attr;
335 struct nfs_fattr * dir_attr;
336 struct nfs_seqid * seqid;
337 const struct nfs_server *server;
338 fmode_t delegation_type;
339 nfs4_stateid delegation;
342 __u32 attrset[NFS4_BITMAP_SIZE];
343 struct nfs4_sequence_res seq_res;
347 * Arguments to the open_confirm call.
349 struct nfs_open_confirmargs {
350 const struct nfs_fh * fh;
351 nfs4_stateid * stateid;
352 struct nfs_seqid * seqid;
355 struct nfs_open_confirmres {
356 nfs4_stateid stateid;
357 struct nfs_seqid * seqid;
361 * Arguments to the close call.
363 struct nfs_closeargs {
365 nfs4_stateid * stateid;
366 struct nfs_seqid * seqid;
369 struct nfs4_sequence_args seq_args;
372 struct nfs_closeres {
373 nfs4_stateid stateid;
374 struct nfs_fattr * fattr;
375 struct nfs_seqid * seqid;
376 const struct nfs_server *server;
377 struct nfs4_sequence_res seq_res;
380 * * Arguments to the lock,lockt, and locku call.
388 struct nfs_lock_args {
390 struct file_lock * fl;
391 struct nfs_seqid * lock_seqid;
392 nfs4_stateid * lock_stateid;
393 struct nfs_seqid * open_seqid;
394 nfs4_stateid * open_stateid;
395 struct nfs_lowner lock_owner;
396 unsigned char block : 1;
397 unsigned char reclaim : 1;
398 unsigned char new_lock_owner : 1;
399 struct nfs4_sequence_args seq_args;
402 struct nfs_lock_res {
403 nfs4_stateid stateid;
404 struct nfs_seqid * lock_seqid;
405 struct nfs_seqid * open_seqid;
406 struct nfs4_sequence_res seq_res;
409 struct nfs_locku_args {
411 struct file_lock * fl;
412 struct nfs_seqid * seqid;
413 nfs4_stateid * stateid;
414 struct nfs4_sequence_args seq_args;
417 struct nfs_locku_res {
418 nfs4_stateid stateid;
419 struct nfs_seqid * seqid;
420 struct nfs4_sequence_res seq_res;
423 struct nfs_lockt_args {
425 struct file_lock * fl;
426 struct nfs_lowner lock_owner;
427 struct nfs4_sequence_args seq_args;
430 struct nfs_lockt_res {
431 struct file_lock * denied; /* LOCK, LOCKT failed */
432 struct nfs4_sequence_res seq_res;
435 struct nfs_release_lockowner_args {
436 struct nfs_lowner lock_owner;
439 struct nfs4_delegreturnargs {
440 const struct nfs_fh *fhandle;
441 const nfs4_stateid *stateid;
443 struct nfs4_sequence_args seq_args;
446 struct nfs4_delegreturnres {
447 struct nfs_fattr * fattr;
448 const struct nfs_server *server;
449 struct nfs4_sequence_res seq_res;
453 * Arguments to the read call.
455 struct nfs_readargs {
457 struct nfs_open_context *context;
458 struct nfs_lock_context *lock_context;
462 struct page ** pages;
463 struct nfs4_sequence_args seq_args;
467 struct nfs_fattr * fattr;
470 struct nfs4_sequence_res seq_res;
474 * Arguments to the write call.
476 struct nfs_writeargs {
478 struct nfs_open_context *context;
479 struct nfs_lock_context *lock_context;
482 enum nfs3_stable_how stable;
484 struct page ** pages;
486 struct nfs4_sequence_args seq_args;
489 struct nfs_writeverf {
490 enum nfs3_stable_how committed;
494 struct nfs_writeres {
495 struct nfs_fattr * fattr;
496 struct nfs_writeverf * verf;
498 const struct nfs_server *server;
499 struct nfs4_sequence_res seq_res;
503 * Common arguments to the unlink call
505 struct nfs_removeargs {
506 const struct nfs_fh *fh;
509 struct nfs4_sequence_args seq_args;
512 struct nfs_removeres {
513 const struct nfs_server *server;
514 struct nfs_fattr *dir_attr;
515 struct nfs4_change_info cinfo;
516 struct nfs4_sequence_res seq_res;
520 * Common arguments to the rename call
522 struct nfs_renameargs {
523 const struct nfs_fh *old_dir;
524 const struct nfs_fh *new_dir;
525 const struct qstr *old_name;
526 const struct qstr *new_name;
528 struct nfs4_sequence_args seq_args;
531 struct nfs_renameres {
532 const struct nfs_server *server;
533 struct nfs4_change_info old_cinfo;
534 struct nfs_fattr *old_fattr;
535 struct nfs4_change_info new_cinfo;
536 struct nfs_fattr *new_fattr;
537 struct nfs4_sequence_res seq_res;
541 * Argument struct for decode_entry function
551 struct nfs_fattr * fattr;
552 unsigned char d_type;
553 struct nfs_server * server;
557 * The following types are for NFSv2 only.
559 struct nfs_sattrargs {
561 struct iattr * sattr;
564 struct nfs_diropargs {
570 struct nfs_createargs {
574 struct iattr * sattr;
577 struct nfs_setattrargs {
579 nfs4_stateid stateid;
581 const struct nfs_server * server; /* Needed for name mapping */
583 struct nfs4_sequence_args seq_args;
586 struct nfs_setaclargs {
589 unsigned int acl_pgbase;
590 struct page ** acl_pages;
591 struct nfs4_sequence_args seq_args;
594 struct nfs_setaclres {
595 struct nfs4_sequence_res seq_res;
598 struct nfs_getaclargs {
601 unsigned int acl_pgbase;
602 struct page ** acl_pages;
603 struct nfs4_sequence_args seq_args;
606 struct nfs_getaclres {
608 struct nfs4_sequence_res seq_res;
611 struct nfs_setattrres {
612 struct nfs_fattr * fattr;
613 const struct nfs_server * server;
614 struct nfs4_sequence_res seq_res;
617 struct nfs_linkargs {
618 struct nfs_fh * fromfh;
619 struct nfs_fh * tofh;
624 struct nfs_symlinkargs {
625 struct nfs_fh * fromfh;
626 const char * fromname;
627 unsigned int fromlen;
628 struct page ** pages;
629 unsigned int pathlen;
630 struct iattr * sattr;
633 struct nfs_readdirargs {
637 struct page ** pages;
640 struct nfs3_getaclargs {
643 struct page ** pages;
646 struct nfs3_setaclargs {
647 struct inode * inode;
649 struct posix_acl * acl_access;
650 struct posix_acl * acl_default;
653 struct page ** pages;
658 struct nfs_fattr * fattr;
661 struct nfs_readlinkargs {
665 struct page ** pages;
668 struct nfs3_sattrargs {
670 struct iattr * sattr;
672 struct timespec guardtime;
675 struct nfs3_diropargs {
681 struct nfs3_accessargs {
686 struct nfs3_createargs {
690 struct iattr * sattr;
691 enum nfs3_createmode createmode;
695 struct nfs3_mkdirargs {
699 struct iattr * sattr;
702 struct nfs3_symlinkargs {
703 struct nfs_fh * fromfh;
704 const char * fromname;
705 unsigned int fromlen;
706 struct page ** pages;
707 unsigned int pathlen;
708 struct iattr * sattr;
711 struct nfs3_mknodargs {
715 enum nfs3_ftype type;
716 struct iattr * sattr;
720 struct nfs3_linkargs {
721 struct nfs_fh * fromfh;
722 struct nfs_fh * tofh;
727 struct nfs3_readdirargs {
733 struct page ** pages;
736 struct nfs3_diropres {
737 struct nfs_fattr * dir_attr;
739 struct nfs_fattr * fattr;
742 struct nfs3_accessres {
743 struct nfs_fattr * fattr;
747 struct nfs3_readlinkargs {
751 struct page ** pages;
754 struct nfs3_linkres {
755 struct nfs_fattr * dir_attr;
756 struct nfs_fattr * fattr;
759 struct nfs3_readdirres {
760 struct nfs_fattr * dir_attr;
765 struct nfs3_getaclres {
766 struct nfs_fattr * fattr;
768 unsigned int acl_access_count;
769 unsigned int acl_default_count;
770 struct posix_acl * acl_access;
771 struct posix_acl * acl_default;
776 typedef u64 clientid4;
778 struct nfs4_accessargs {
779 const struct nfs_fh * fh;
782 struct nfs4_sequence_args seq_args;
785 struct nfs4_accessres {
786 const struct nfs_server * server;
787 struct nfs_fattr * fattr;
790 struct nfs4_sequence_res seq_res;
793 struct nfs4_create_arg {
797 struct page ** pages;
799 } symlink; /* NF4LNK */
803 } device; /* NF4BLK, NF4CHR */
805 const struct qstr * name;
806 const struct nfs_server * server;
807 const struct iattr * attrs;
808 const struct nfs_fh * dir_fh;
810 struct nfs4_sequence_args seq_args;
813 struct nfs4_create_res {
814 const struct nfs_server * server;
816 struct nfs_fattr * fattr;
817 struct nfs4_change_info dir_cinfo;
818 struct nfs_fattr * dir_fattr;
819 struct nfs4_sequence_res seq_res;
822 struct nfs4_fsinfo_arg {
823 const struct nfs_fh * fh;
825 struct nfs4_sequence_args seq_args;
828 struct nfs4_fsinfo_res {
829 struct nfs_fsinfo *fsinfo;
830 struct nfs4_sequence_res seq_res;
833 struct nfs4_getattr_arg {
834 const struct nfs_fh * fh;
836 struct nfs4_sequence_args seq_args;
839 struct nfs4_getattr_res {
840 const struct nfs_server * server;
841 struct nfs_fattr * fattr;
842 struct nfs4_sequence_res seq_res;
845 struct nfs4_link_arg {
846 const struct nfs_fh * fh;
847 const struct nfs_fh * dir_fh;
848 const struct qstr * name;
850 struct nfs4_sequence_args seq_args;
853 struct nfs4_link_res {
854 const struct nfs_server * server;
855 struct nfs_fattr * fattr;
856 struct nfs4_change_info cinfo;
857 struct nfs_fattr * dir_attr;
858 struct nfs4_sequence_res seq_res;
862 struct nfs4_lookup_arg {
863 const struct nfs_fh * dir_fh;
864 const struct qstr * name;
866 struct nfs4_sequence_args seq_args;
869 struct nfs4_lookup_res {
870 const struct nfs_server * server;
871 struct nfs_fattr * fattr;
873 struct nfs4_sequence_res seq_res;
876 struct nfs4_lookup_root_arg {
878 struct nfs4_sequence_args seq_args;
881 struct nfs4_pathconf_arg {
882 const struct nfs_fh * fh;
884 struct nfs4_sequence_args seq_args;
887 struct nfs4_pathconf_res {
888 struct nfs_pathconf *pathconf;
889 struct nfs4_sequence_res seq_res;
892 struct nfs4_readdir_arg {
893 const struct nfs_fh * fh;
895 nfs4_verifier verifier;
897 struct page ** pages; /* zero-copy data */
898 unsigned int pgbase; /* zero-copy data */
901 struct nfs4_sequence_args seq_args;
904 struct nfs4_readdir_res {
905 nfs4_verifier verifier;
907 struct nfs4_sequence_res seq_res;
910 struct nfs4_readlink {
911 const struct nfs_fh * fh;
913 unsigned int pglen; /* zero-copy data */
914 struct page ** pages; /* zero-copy data */
915 struct nfs4_sequence_args seq_args;
918 struct nfs4_readlink_res {
919 struct nfs4_sequence_res seq_res;
922 #define NFS4_SETCLIENTID_NAMELEN (127)
923 struct nfs4_setclientid {
924 const nfs4_verifier * sc_verifier;
925 unsigned int sc_name_len;
926 char sc_name[NFS4_SETCLIENTID_NAMELEN + 1];
928 unsigned int sc_netid_len;
929 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
930 unsigned int sc_uaddr_len;
931 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
935 struct nfs4_setclientid_res {
937 nfs4_verifier confirm;
940 struct nfs4_statfs_arg {
941 const struct nfs_fh * fh;
943 struct nfs4_sequence_args seq_args;
946 struct nfs4_statfs_res {
947 struct nfs_fsstat *fsstat;
948 struct nfs4_sequence_res seq_res;
951 struct nfs4_server_caps_arg {
952 struct nfs_fh *fhandle;
953 struct nfs4_sequence_args seq_args;
956 struct nfs4_server_caps_res {
961 struct nfs4_sequence_res seq_res;
969 #define NFS4_PATHNAME_MAXCOMPONENTS 512
970 struct nfs4_pathname {
971 unsigned int ncomponents;
972 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
975 #define NFS4_FS_LOCATION_MAXSERVERS 10
976 struct nfs4_fs_location {
977 unsigned int nservers;
978 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
979 struct nfs4_pathname rootpath;
982 #define NFS4_FS_LOCATIONS_MAXENTRIES 10
983 struct nfs4_fs_locations {
984 struct nfs_fattr fattr;
985 const struct nfs_server *server;
986 struct nfs4_pathname fs_path;
988 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
991 struct nfs4_fs_locations_arg {
992 const struct nfs_fh *dir_fh;
993 const struct qstr *name;
996 struct nfs4_sequence_args seq_args;
999 struct nfs4_fs_locations_res {
1000 struct nfs4_fs_locations *fs_locations;
1001 struct nfs4_sequence_res seq_res;
1004 struct nfs4_secinfo_oid {
1006 char data[GSS_OID_MAX_LEN];
1009 struct nfs4_secinfo_gss {
1010 struct nfs4_secinfo_oid sec_oid4;
1012 unsigned int service;
1015 struct nfs4_secinfo_flavor {
1016 unsigned int flavor;
1017 struct nfs4_secinfo_gss gss;
1020 struct nfs4_secinfo_flavors {
1021 unsigned int num_flavors;
1022 struct nfs4_secinfo_flavor flavors[0];
1025 struct nfs4_secinfo_arg {
1026 const struct nfs_fh *dir_fh;
1027 const struct qstr *name;
1028 struct nfs4_sequence_args seq_args;
1031 struct nfs4_secinfo_res {
1032 struct nfs4_secinfo_flavors *flavors;
1033 struct nfs4_sequence_res seq_res;
1036 #endif /* CONFIG_NFS_V4 */
1043 #ifdef CONFIG_NFS_V4_1
1044 struct nfs_impl_id4 {
1049 struct nfstime4 date;
1052 #define NFS4_EXCHANGE_ID_LEN (48)
1053 struct nfs41_exchange_id_args {
1054 struct nfs_client *client;
1055 nfs4_verifier *verifier;
1056 unsigned int id_len;
1057 char id[NFS4_EXCHANGE_ID_LEN];
1061 struct server_owner {
1063 uint32_t major_id_sz;
1064 char major_id[NFS4_OPAQUE_LIMIT];
1067 struct server_scope {
1068 uint32_t server_scope_sz;
1069 char server_scope[NFS4_OPAQUE_LIMIT];
1072 struct nfs41_exchange_id_res {
1073 struct nfs_client *client;
1075 struct server_scope *server_scope;
1078 struct nfs41_create_session_args {
1079 struct nfs_client *client;
1081 uint32_t cb_program;
1082 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
1083 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
1086 struct nfs41_create_session_res {
1087 struct nfs_client *client;
1090 struct nfs41_reclaim_complete_args {
1091 /* In the future extend to include curr_fh for use with migration */
1092 unsigned char one_fs:1;
1093 struct nfs4_sequence_args seq_args;
1096 struct nfs41_reclaim_complete_res {
1097 struct nfs4_sequence_res seq_res;
1100 #define SECINFO_STYLE_CURRENT_FH 0
1101 #define SECINFO_STYLE_PARENT 1
1102 struct nfs41_secinfo_no_name_args {
1104 struct nfs4_sequence_args seq_args;
1107 struct nfs41_test_stateid_args {
1108 nfs4_stateid *stateid;
1109 struct nfs4_sequence_args seq_args;
1112 struct nfs41_test_stateid_res {
1113 unsigned int status;
1114 struct nfs4_sequence_res seq_res;
1117 struct nfs41_free_stateid_args {
1118 nfs4_stateid *stateid;
1119 struct nfs4_sequence_args seq_args;
1122 struct nfs41_free_stateid_res {
1123 unsigned int status;
1124 struct nfs4_sequence_res seq_res;
1127 #endif /* CONFIG_NFS_V4_1 */
1131 #define NFS_PAGEVEC_SIZE (8U)
1133 struct nfs_read_data {
1135 struct rpc_task task;
1136 struct inode *inode;
1137 struct rpc_cred *cred;
1138 struct nfs_fattr fattr; /* fattr storage */
1139 struct list_head pages; /* Coalesced read requests */
1140 struct list_head list; /* lists of struct nfs_read_data */
1141 struct nfs_page *req; /* multi ops per nfs_page */
1142 struct page **pagevec;
1143 unsigned int npages; /* Max length of pagevec */
1144 struct nfs_readargs args;
1145 struct nfs_readres res;
1146 unsigned long timestamp; /* For lease renewal */
1147 struct pnfs_layout_segment *lseg;
1148 struct nfs_client *ds_clp; /* pNFS data server */
1149 const struct rpc_call_ops *mds_ops;
1150 int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data);
1153 struct page *page_array[NFS_PAGEVEC_SIZE];
1156 struct nfs_write_data {
1158 struct rpc_task task;
1159 struct inode *inode;
1160 struct rpc_cred *cred;
1161 struct nfs_fattr fattr;
1162 struct nfs_writeverf verf;
1163 struct list_head pages; /* Coalesced requests we wish to flush */
1164 struct list_head list; /* lists of struct nfs_write_data */
1165 struct nfs_page *req; /* multi ops per nfs_page */
1166 struct page **pagevec;
1167 unsigned int npages; /* Max length of pagevec */
1168 struct nfs_writeargs args; /* argument struct */
1169 struct nfs_writeres res; /* result struct */
1170 struct pnfs_layout_segment *lseg;
1171 struct nfs_client *ds_clp; /* pNFS data server */
1172 int ds_commit_index;
1173 const struct rpc_call_ops *mds_ops;
1174 int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
1175 #ifdef CONFIG_NFS_V4
1176 unsigned long timestamp; /* For lease renewal */
1178 __u64 mds_offset; /* Filelayout dense stripe */
1180 struct page *page_array[NFS_PAGEVEC_SIZE];
1183 struct nfs_access_entry;
1188 * RPC procedure vector for NFSv2/NFSv3 demuxing
1190 struct nfs_rpc_ops {
1191 u32 version; /* Protocol version */
1192 const struct dentry_operations *dentry_ops;
1193 const struct inode_operations *dir_inode_ops;
1194 const struct inode_operations *file_inode_ops;
1196 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1197 struct nfs_fsinfo *);
1198 int (*lookupfh)(struct nfs_server *, struct nfs_fh *,
1199 struct qstr *, struct nfs_fh *,
1200 struct nfs_fattr *);
1201 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1202 struct nfs_fattr *);
1203 int (*setattr) (struct dentry *, struct nfs_fattr *,
1205 int (*lookup) (struct rpc_clnt *clnt, struct inode *, struct qstr *,
1206 struct nfs_fh *, struct nfs_fattr *);
1207 int (*access) (struct inode *, struct nfs_access_entry *);
1208 int (*readlink)(struct inode *, struct page *, unsigned int,
1210 int (*create) (struct inode *, struct dentry *,
1211 struct iattr *, int, struct nfs_open_context *);
1212 int (*remove) (struct inode *, struct qstr *);
1213 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
1214 int (*unlink_done) (struct rpc_task *, struct inode *);
1215 int (*rename) (struct inode *, struct qstr *,
1216 struct inode *, struct qstr *);
1217 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
1218 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1219 int (*link) (struct inode *, struct inode *, struct qstr *);
1220 int (*symlink) (struct inode *, struct dentry *, struct page *,
1221 unsigned int, struct iattr *);
1222 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1223 int (*rmdir) (struct inode *, struct qstr *);
1224 int (*readdir) (struct dentry *, struct rpc_cred *,
1225 u64, struct page **, unsigned int, int);
1226 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1228 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1229 struct nfs_fsstat *);
1230 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1231 struct nfs_fsinfo *);
1232 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1233 struct nfs_pathconf *);
1234 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
1235 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
1236 void (*read_setup) (struct nfs_read_data *, struct rpc_message *);
1237 int (*read_done) (struct rpc_task *, struct nfs_read_data *);
1238 void (*write_setup) (struct nfs_write_data *, struct rpc_message *);
1239 int (*write_done) (struct rpc_task *, struct nfs_write_data *);
1240 void (*commit_setup) (struct nfs_write_data *, struct rpc_message *);
1241 int (*commit_done) (struct rpc_task *, struct nfs_write_data *);
1242 int (*lock)(struct file *, int, struct file_lock *);
1243 int (*lock_check_bounds)(const struct file_lock *);
1244 void (*clear_acl_cache)(struct inode *);
1245 void (*close_context)(struct nfs_open_context *ctx, int);
1246 struct inode * (*open_context) (struct inode *dir,
1247 struct nfs_open_context *ctx,
1249 struct iattr *iattr);
1250 int (*init_client) (struct nfs_client *, const struct rpc_timeout *,
1251 const char *, rpc_authflavor_t, int);
1252 int (*secinfo)(struct inode *, const struct qstr *, struct nfs4_secinfo_flavors *);
1256 * NFS_CALL(getattr, inode, (fattr));
1258 * NFS_PROTO(inode)->getattr(fattr);
1260 #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1263 * Function vectors etc. for the NFS client
1265 extern const struct nfs_rpc_ops nfs_v2_clientops;
1266 extern const struct nfs_rpc_ops nfs_v3_clientops;
1267 extern const struct nfs_rpc_ops nfs_v4_clientops;
1268 extern struct rpc_version nfs_version2;
1269 extern struct rpc_version nfs_version3;
1270 extern struct rpc_version nfs_version4;
1272 extern struct rpc_version nfsacl_version3;
1273 extern struct rpc_program nfsacl_program;