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;
32 * Helper for checking equality between 2 fsids.
34 static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
36 return a->major == b->major && a->minor == b->minor;
40 unsigned int valid; /* which fields are valid */
58 __u64 mounted_on_fileid;
59 struct timespec atime;
60 struct timespec mtime;
61 struct timespec ctime;
62 __u64 change_attr; /* NFSv4 change attribute */
63 __u64 pre_change_attr;/* pre-op NFSv4 change attribute */
64 __u64 pre_size; /* pre_op_attr.size */
65 struct timespec pre_mtime; /* pre_op_attr.mtime */
66 struct timespec pre_ctime; /* pre_op_attr.ctime */
67 unsigned long time_start;
68 unsigned long gencount;
69 struct nfs4_string *owner_name;
70 struct nfs4_string *group_name;
73 #define NFS_ATTR_FATTR_TYPE (1U << 0)
74 #define NFS_ATTR_FATTR_MODE (1U << 1)
75 #define NFS_ATTR_FATTR_NLINK (1U << 2)
76 #define NFS_ATTR_FATTR_OWNER (1U << 3)
77 #define NFS_ATTR_FATTR_GROUP (1U << 4)
78 #define NFS_ATTR_FATTR_RDEV (1U << 5)
79 #define NFS_ATTR_FATTR_SIZE (1U << 6)
80 #define NFS_ATTR_FATTR_PRESIZE (1U << 7)
81 #define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
82 #define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
83 #define NFS_ATTR_FATTR_FSID (1U << 10)
84 #define NFS_ATTR_FATTR_FILEID (1U << 11)
85 #define NFS_ATTR_FATTR_ATIME (1U << 12)
86 #define NFS_ATTR_FATTR_MTIME (1U << 13)
87 #define NFS_ATTR_FATTR_CTIME (1U << 14)
88 #define NFS_ATTR_FATTR_PREMTIME (1U << 15)
89 #define NFS_ATTR_FATTR_PRECTIME (1U << 16)
90 #define NFS_ATTR_FATTR_CHANGE (1U << 17)
91 #define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
92 #define NFS_ATTR_FATTR_V4_REFERRAL (1U << 19) /* NFSv4 referral */
93 #define NFS_ATTR_FATTR_MOUNTPOINT (1U << 20) /* Treat as mountpoint */
94 #define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 21)
95 #define NFS_ATTR_FATTR_OWNER_NAME (1U << 22)
96 #define NFS_ATTR_FATTR_GROUP_NAME (1U << 23)
98 #define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
99 | NFS_ATTR_FATTR_MODE \
100 | NFS_ATTR_FATTR_NLINK \
101 | NFS_ATTR_FATTR_OWNER \
102 | NFS_ATTR_FATTR_GROUP \
103 | NFS_ATTR_FATTR_RDEV \
104 | NFS_ATTR_FATTR_SIZE \
105 | NFS_ATTR_FATTR_FSID \
106 | NFS_ATTR_FATTR_FILEID \
107 | NFS_ATTR_FATTR_ATIME \
108 | NFS_ATTR_FATTR_MTIME \
109 | NFS_ATTR_FATTR_CTIME)
110 #define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
111 | NFS_ATTR_FATTR_BLOCKS_USED)
112 #define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
113 | NFS_ATTR_FATTR_SPACE_USED)
114 #define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
115 | NFS_ATTR_FATTR_SPACE_USED \
116 | NFS_ATTR_FATTR_CHANGE)
119 * Info on the file system
122 struct nfs_fattr *fattr; /* Post-op attributes */
123 __u32 rtmax; /* max. read transfer size */
124 __u32 rtpref; /* pref. read transfer size */
125 __u32 rtmult; /* reads should be multiple of this */
126 __u32 wtmax; /* max. write transfer size */
127 __u32 wtpref; /* pref. write transfer size */
128 __u32 wtmult; /* writes should be multiple of this */
129 __u32 dtpref; /* pref. readdir transfer size */
131 struct timespec time_delta; /* server time granularity */
132 __u32 lease_time; /* in seconds */
133 __u32 layouttype; /* supported pnfs layout driver */
134 __u32 blksize; /* preferred pnfs io block size */
138 struct nfs_fattr *fattr; /* Post-op attributes */
139 __u64 tbytes; /* total size in bytes */
140 __u64 fbytes; /* # of free bytes */
141 __u64 abytes; /* # of bytes available to user */
142 __u64 tfiles; /* # of files */
143 __u64 ffiles; /* # of free files */
144 __u64 afiles; /* # of files available to user */
148 __u32 tsize; /* Server transfer size */
149 __u32 bsize; /* Filesystem block size */
150 __u32 blocks; /* No. of "bsize" blocks on filesystem */
151 __u32 bfree; /* No. of free "bsize" blocks */
152 __u32 bavail; /* No. of available "bsize" blocks */
155 struct nfs_pathconf {
156 struct nfs_fattr *fattr; /* Post-op attributes */
157 __u32 max_link; /* max # of hard links */
158 __u32 max_namelen; /* max name length */
161 struct nfs4_change_info {
169 /* nfs41 sessions channel attributes */
170 struct nfs4_channel_attrs {
173 u32 max_resp_sz_cached;
178 /* nfs41 sessions slot seqid */
183 struct nfs4_sequence_args {
184 struct nfs4_session *sa_session;
189 struct nfs4_sequence_res {
190 struct nfs4_session *sr_session;
191 struct nfs4_slot *sr_slot; /* slot used to send request */
192 int sr_status; /* sequence operation status */
193 unsigned long sr_renewal_time;
197 struct nfs4_get_lease_time_args {
198 struct nfs4_sequence_args la_seq_args;
201 struct nfs4_get_lease_time_res {
202 struct nfs_fsinfo *lr_fsinfo;
203 struct nfs4_sequence_res lr_seq_res;
206 #define PNFS_LAYOUT_MAXSIZE 4096
208 struct nfs4_layoutdriver_data {
214 struct pnfs_layout_range {
220 struct nfs4_layoutget_args {
222 struct pnfs_layout_range range;
226 struct nfs_open_context *ctx;
227 struct nfs4_sequence_args seq_args;
228 nfs4_stateid stateid;
229 struct nfs4_layoutdriver_data layout;
232 struct nfs4_layoutget_res {
233 __u32 return_on_close;
234 struct pnfs_layout_range range;
236 nfs4_stateid stateid;
237 struct nfs4_sequence_res seq_res;
238 struct nfs4_layoutdriver_data *layoutp;
241 struct nfs4_layoutget {
242 struct nfs4_layoutget_args args;
243 struct nfs4_layoutget_res res;
244 struct pnfs_layout_segment **lsegpp;
248 struct nfs4_getdevicelist_args {
249 const struct nfs_fh *fh;
251 struct nfs4_sequence_args seq_args;
254 struct nfs4_getdevicelist_res {
255 struct pnfs_devicelist *devlist;
256 struct nfs4_sequence_res seq_res;
259 struct nfs4_getdeviceinfo_args {
260 struct pnfs_device *pdev;
261 struct nfs4_sequence_args seq_args;
264 struct nfs4_getdeviceinfo_res {
265 struct pnfs_device *pdev;
266 struct nfs4_sequence_res seq_res;
269 struct nfs4_layoutcommit_args {
270 nfs4_stateid stateid;
271 __u64 lastbytewritten;
274 struct nfs4_sequence_args seq_args;
277 struct nfs4_layoutcommit_res {
278 struct nfs_fattr *fattr;
279 const struct nfs_server *server;
280 struct nfs4_sequence_res seq_res;
284 struct nfs4_layoutcommit_data {
285 struct rpc_task task;
286 struct nfs_fattr fattr;
287 struct list_head lseg_list;
288 struct rpc_cred *cred;
289 struct nfs4_layoutcommit_args args;
290 struct nfs4_layoutcommit_res res;
293 struct nfs4_layoutreturn_args {
294 struct pnfs_layout_hdr *layout;
296 nfs4_stateid stateid;
298 struct nfs4_sequence_args seq_args;
301 struct nfs4_layoutreturn_res {
302 struct nfs4_sequence_res seq_res;
304 nfs4_stateid stateid;
307 struct nfs4_layoutreturn {
308 struct nfs4_layoutreturn_args args;
309 struct nfs4_layoutreturn_res res;
310 struct rpc_cred *cred;
311 struct nfs_client *clp;
316 * Arguments to the open call.
318 struct nfs_openargs {
319 const struct nfs_fh * fh;
320 struct nfs_seqid * seqid;
327 struct iattr * attrs; /* UNCHECKED, GUARDED */
328 nfs4_verifier verifier; /* EXCLUSIVE */
330 nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
331 fmode_t delegation_type; /* CLAIM_PREVIOUS */
333 const struct qstr * name;
334 const struct nfs_server *server; /* Needed for ID mapping */
336 const u32 * dir_bitmask;
338 struct nfs4_sequence_args seq_args;
342 nfs4_stateid stateid;
344 struct nfs4_change_info cinfo;
346 struct nfs_fattr * f_attr;
347 struct nfs_fattr * dir_attr;
348 struct nfs_seqid * seqid;
349 const struct nfs_server *server;
350 fmode_t delegation_type;
351 nfs4_stateid delegation;
354 __u32 attrset[NFS4_BITMAP_SIZE];
355 struct nfs4_string *owner;
356 struct nfs4_string *group_owner;
357 struct nfs4_sequence_res seq_res;
361 * Arguments to the open_confirm call.
363 struct nfs_open_confirmargs {
364 const struct nfs_fh * fh;
365 nfs4_stateid * stateid;
366 struct nfs_seqid * seqid;
369 struct nfs_open_confirmres {
370 nfs4_stateid stateid;
371 struct nfs_seqid * seqid;
375 * Arguments to the close call.
377 struct nfs_closeargs {
379 nfs4_stateid * stateid;
380 struct nfs_seqid * seqid;
383 struct nfs4_sequence_args seq_args;
386 struct nfs_closeres {
387 nfs4_stateid stateid;
388 struct nfs_fattr * fattr;
389 struct nfs_seqid * seqid;
390 const struct nfs_server *server;
391 struct nfs4_sequence_res seq_res;
394 * * Arguments to the lock,lockt, and locku call.
402 struct nfs_lock_args {
404 struct file_lock * fl;
405 struct nfs_seqid * lock_seqid;
406 nfs4_stateid * lock_stateid;
407 struct nfs_seqid * open_seqid;
408 nfs4_stateid * open_stateid;
409 struct nfs_lowner lock_owner;
410 unsigned char block : 1;
411 unsigned char reclaim : 1;
412 unsigned char new_lock_owner : 1;
413 struct nfs4_sequence_args seq_args;
416 struct nfs_lock_res {
417 nfs4_stateid stateid;
418 struct nfs_seqid * lock_seqid;
419 struct nfs_seqid * open_seqid;
420 struct nfs4_sequence_res seq_res;
423 struct nfs_locku_args {
425 struct file_lock * fl;
426 struct nfs_seqid * seqid;
427 nfs4_stateid * stateid;
428 struct nfs4_sequence_args seq_args;
431 struct nfs_locku_res {
432 nfs4_stateid stateid;
433 struct nfs_seqid * seqid;
434 struct nfs4_sequence_res seq_res;
437 struct nfs_lockt_args {
439 struct file_lock * fl;
440 struct nfs_lowner lock_owner;
441 struct nfs4_sequence_args seq_args;
444 struct nfs_lockt_res {
445 struct file_lock * denied; /* LOCK, LOCKT failed */
446 struct nfs4_sequence_res seq_res;
449 struct nfs_release_lockowner_args {
450 struct nfs_lowner lock_owner;
453 struct nfs4_delegreturnargs {
454 const struct nfs_fh *fhandle;
455 const nfs4_stateid *stateid;
457 struct nfs4_sequence_args seq_args;
460 struct nfs4_delegreturnres {
461 struct nfs_fattr * fattr;
462 const struct nfs_server *server;
463 struct nfs4_sequence_res seq_res;
467 * Arguments to the read call.
469 struct nfs_readargs {
471 struct nfs_open_context *context;
472 struct nfs_lock_context *lock_context;
476 struct page ** pages;
477 struct nfs4_sequence_args seq_args;
481 struct nfs_fattr * fattr;
484 struct nfs4_sequence_res seq_res;
488 * Arguments to the write call.
490 struct nfs_writeargs {
492 struct nfs_open_context *context;
493 struct nfs_lock_context *lock_context;
496 enum nfs3_stable_how stable;
498 struct page ** pages;
500 struct nfs4_sequence_args seq_args;
503 struct nfs_writeverf {
504 enum nfs3_stable_how committed;
508 struct nfs_writeres {
509 struct nfs_fattr * fattr;
510 struct nfs_writeverf * verf;
512 const struct nfs_server *server;
513 struct nfs4_sequence_res seq_res;
517 * Common arguments to the unlink call
519 struct nfs_removeargs {
520 const struct nfs_fh *fh;
523 struct nfs4_sequence_args seq_args;
526 struct nfs_removeres {
527 const struct nfs_server *server;
528 struct nfs_fattr *dir_attr;
529 struct nfs4_change_info cinfo;
530 struct nfs4_sequence_res seq_res;
534 * Common arguments to the rename call
536 struct nfs_renameargs {
537 const struct nfs_fh *old_dir;
538 const struct nfs_fh *new_dir;
539 const struct qstr *old_name;
540 const struct qstr *new_name;
542 struct nfs4_sequence_args seq_args;
545 struct nfs_renameres {
546 const struct nfs_server *server;
547 struct nfs4_change_info old_cinfo;
548 struct nfs_fattr *old_fattr;
549 struct nfs4_change_info new_cinfo;
550 struct nfs_fattr *new_fattr;
551 struct nfs4_sequence_res seq_res;
555 * Argument struct for decode_entry function
565 struct nfs_fattr * fattr;
566 unsigned char d_type;
567 struct nfs_server * server;
571 * The following types are for NFSv2 only.
573 struct nfs_sattrargs {
575 struct iattr * sattr;
578 struct nfs_diropargs {
584 struct nfs_createargs {
588 struct iattr * sattr;
591 struct nfs_setattrargs {
593 nfs4_stateid stateid;
595 const struct nfs_server * server; /* Needed for name mapping */
597 struct nfs4_sequence_args seq_args;
600 struct nfs_setaclargs {
603 unsigned int acl_pgbase;
604 struct page ** acl_pages;
605 struct nfs4_sequence_args seq_args;
608 struct nfs_setaclres {
609 struct nfs4_sequence_res seq_res;
612 struct nfs_getaclargs {
615 unsigned int acl_pgbase;
616 struct page ** acl_pages;
617 struct page * acl_scratch;
618 struct nfs4_sequence_args seq_args;
621 /* getxattr ACL interface flags */
622 #define NFS4_ACL_LEN_REQUEST 0x0001 /* zero length getxattr buffer */
623 struct nfs_getaclres {
625 size_t acl_data_offset;
627 struct nfs4_sequence_res seq_res;
630 struct nfs_setattrres {
631 struct nfs_fattr * fattr;
632 const struct nfs_server * server;
633 struct nfs4_sequence_res seq_res;
636 struct nfs_linkargs {
637 struct nfs_fh * fromfh;
638 struct nfs_fh * tofh;
643 struct nfs_symlinkargs {
644 struct nfs_fh * fromfh;
645 const char * fromname;
646 unsigned int fromlen;
647 struct page ** pages;
648 unsigned int pathlen;
649 struct iattr * sattr;
652 struct nfs_readdirargs {
656 struct page ** pages;
659 struct nfs3_getaclargs {
662 struct page ** pages;
665 struct nfs3_setaclargs {
666 struct inode * inode;
668 struct posix_acl * acl_access;
669 struct posix_acl * acl_default;
672 struct page ** pages;
677 struct nfs_fattr * fattr;
680 struct nfs_readlinkargs {
684 struct page ** pages;
687 struct nfs3_sattrargs {
689 struct iattr * sattr;
691 struct timespec guardtime;
694 struct nfs3_diropargs {
700 struct nfs3_accessargs {
705 struct nfs3_createargs {
709 struct iattr * sattr;
710 enum nfs3_createmode createmode;
714 struct nfs3_mkdirargs {
718 struct iattr * sattr;
721 struct nfs3_symlinkargs {
722 struct nfs_fh * fromfh;
723 const char * fromname;
724 unsigned int fromlen;
725 struct page ** pages;
726 unsigned int pathlen;
727 struct iattr * sattr;
730 struct nfs3_mknodargs {
734 enum nfs3_ftype type;
735 struct iattr * sattr;
739 struct nfs3_linkargs {
740 struct nfs_fh * fromfh;
741 struct nfs_fh * tofh;
746 struct nfs3_readdirargs {
752 struct page ** pages;
755 struct nfs3_diropres {
756 struct nfs_fattr * dir_attr;
758 struct nfs_fattr * fattr;
761 struct nfs3_accessres {
762 struct nfs_fattr * fattr;
766 struct nfs3_readlinkargs {
770 struct page ** pages;
773 struct nfs3_linkres {
774 struct nfs_fattr * dir_attr;
775 struct nfs_fattr * fattr;
778 struct nfs3_readdirres {
779 struct nfs_fattr * dir_attr;
784 struct nfs3_getaclres {
785 struct nfs_fattr * fattr;
787 unsigned int acl_access_count;
788 unsigned int acl_default_count;
789 struct posix_acl * acl_access;
790 struct posix_acl * acl_default;
795 typedef u64 clientid4;
797 struct nfs4_accessargs {
798 const struct nfs_fh * fh;
801 struct nfs4_sequence_args seq_args;
804 struct nfs4_accessres {
805 const struct nfs_server * server;
806 struct nfs_fattr * fattr;
809 struct nfs4_sequence_res seq_res;
812 struct nfs4_create_arg {
816 struct page ** pages;
818 } symlink; /* NF4LNK */
822 } device; /* NF4BLK, NF4CHR */
824 const struct qstr * name;
825 const struct nfs_server * server;
826 const struct iattr * attrs;
827 const struct nfs_fh * dir_fh;
829 struct nfs4_sequence_args seq_args;
832 struct nfs4_create_res {
833 const struct nfs_server * server;
835 struct nfs_fattr * fattr;
836 struct nfs4_change_info dir_cinfo;
837 struct nfs_fattr * dir_fattr;
838 struct nfs4_sequence_res seq_res;
841 struct nfs4_fsinfo_arg {
842 const struct nfs_fh * fh;
844 struct nfs4_sequence_args seq_args;
847 struct nfs4_fsinfo_res {
848 struct nfs_fsinfo *fsinfo;
849 struct nfs4_sequence_res seq_res;
852 struct nfs4_getattr_arg {
853 const struct nfs_fh * fh;
855 struct nfs4_sequence_args seq_args;
858 struct nfs4_getattr_res {
859 const struct nfs_server * server;
860 struct nfs_fattr * fattr;
861 struct nfs4_sequence_res seq_res;
864 struct nfs4_link_arg {
865 const struct nfs_fh * fh;
866 const struct nfs_fh * dir_fh;
867 const struct qstr * name;
869 struct nfs4_sequence_args seq_args;
872 struct nfs4_link_res {
873 const struct nfs_server * server;
874 struct nfs_fattr * fattr;
875 struct nfs4_change_info cinfo;
876 struct nfs_fattr * dir_attr;
877 struct nfs4_sequence_res seq_res;
881 struct nfs4_lookup_arg {
882 const struct nfs_fh * dir_fh;
883 const struct qstr * name;
885 struct nfs4_sequence_args seq_args;
888 struct nfs4_lookup_res {
889 const struct nfs_server * server;
890 struct nfs_fattr * fattr;
892 struct nfs4_sequence_res seq_res;
895 struct nfs4_lookup_root_arg {
897 struct nfs4_sequence_args seq_args;
900 struct nfs4_pathconf_arg {
901 const struct nfs_fh * fh;
903 struct nfs4_sequence_args seq_args;
906 struct nfs4_pathconf_res {
907 struct nfs_pathconf *pathconf;
908 struct nfs4_sequence_res seq_res;
911 struct nfs4_readdir_arg {
912 const struct nfs_fh * fh;
914 nfs4_verifier verifier;
916 struct page ** pages; /* zero-copy data */
917 unsigned int pgbase; /* zero-copy data */
920 struct nfs4_sequence_args seq_args;
923 struct nfs4_readdir_res {
924 nfs4_verifier verifier;
926 struct nfs4_sequence_res seq_res;
929 struct nfs4_readlink {
930 const struct nfs_fh * fh;
932 unsigned int pglen; /* zero-copy data */
933 struct page ** pages; /* zero-copy data */
934 struct nfs4_sequence_args seq_args;
937 struct nfs4_readlink_res {
938 struct nfs4_sequence_res seq_res;
941 #define NFS4_SETCLIENTID_NAMELEN (127)
942 struct nfs4_setclientid {
943 const nfs4_verifier * sc_verifier;
944 unsigned int sc_name_len;
945 char sc_name[NFS4_SETCLIENTID_NAMELEN + 1];
947 unsigned int sc_netid_len;
948 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
949 unsigned int sc_uaddr_len;
950 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
954 struct nfs4_setclientid_res {
956 nfs4_verifier confirm;
959 struct nfs4_statfs_arg {
960 const struct nfs_fh * fh;
962 struct nfs4_sequence_args seq_args;
965 struct nfs4_statfs_res {
966 struct nfs_fsstat *fsstat;
967 struct nfs4_sequence_res seq_res;
970 struct nfs4_server_caps_arg {
971 struct nfs_fh *fhandle;
972 struct nfs4_sequence_args seq_args;
975 struct nfs4_server_caps_res {
980 struct nfs4_sequence_res seq_res;
983 #define NFS4_PATHNAME_MAXCOMPONENTS 512
984 struct nfs4_pathname {
985 unsigned int ncomponents;
986 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
989 #define NFS4_FS_LOCATION_MAXSERVERS 10
990 struct nfs4_fs_location {
991 unsigned int nservers;
992 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
993 struct nfs4_pathname rootpath;
996 #define NFS4_FS_LOCATIONS_MAXENTRIES 10
997 struct nfs4_fs_locations {
998 struct nfs_fattr fattr;
999 const struct nfs_server *server;
1000 struct nfs4_pathname fs_path;
1002 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
1005 struct nfs4_fs_locations_arg {
1006 const struct nfs_fh *dir_fh;
1007 const struct qstr *name;
1010 struct nfs4_sequence_args seq_args;
1013 struct nfs4_fs_locations_res {
1014 struct nfs4_fs_locations *fs_locations;
1015 struct nfs4_sequence_res seq_res;
1018 struct nfs4_secinfo_oid {
1020 char data[GSS_OID_MAX_LEN];
1023 struct nfs4_secinfo_gss {
1024 struct nfs4_secinfo_oid sec_oid4;
1026 unsigned int service;
1029 struct nfs4_secinfo_flavor {
1030 unsigned int flavor;
1031 struct nfs4_secinfo_gss gss;
1034 struct nfs4_secinfo_flavors {
1035 unsigned int num_flavors;
1036 struct nfs4_secinfo_flavor flavors[0];
1039 struct nfs4_secinfo_arg {
1040 const struct nfs_fh *dir_fh;
1041 const struct qstr *name;
1042 struct nfs4_sequence_args seq_args;
1045 struct nfs4_secinfo_res {
1046 struct nfs4_secinfo_flavors *flavors;
1047 struct nfs4_sequence_res seq_res;
1050 #endif /* CONFIG_NFS_V4 */
1057 #ifdef CONFIG_NFS_V4_1
1058 struct nfs_impl_id4 {
1063 struct nfstime4 date;
1066 #define NFS4_EXCHANGE_ID_LEN (48)
1067 struct nfs41_exchange_id_args {
1068 struct nfs_client *client;
1069 nfs4_verifier *verifier;
1070 unsigned int id_len;
1071 char id[NFS4_EXCHANGE_ID_LEN];
1075 struct server_owner {
1077 uint32_t major_id_sz;
1078 char major_id[NFS4_OPAQUE_LIMIT];
1081 struct server_scope {
1082 uint32_t server_scope_sz;
1083 char server_scope[NFS4_OPAQUE_LIMIT];
1086 struct nfs41_exchange_id_res {
1087 struct nfs_client *client;
1089 struct server_scope *server_scope;
1092 struct nfs41_create_session_args {
1093 struct nfs_client *client;
1095 uint32_t cb_program;
1096 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
1097 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
1100 struct nfs41_create_session_res {
1101 struct nfs_client *client;
1104 struct nfs41_reclaim_complete_args {
1105 /* In the future extend to include curr_fh for use with migration */
1106 unsigned char one_fs:1;
1107 struct nfs4_sequence_args seq_args;
1110 struct nfs41_reclaim_complete_res {
1111 struct nfs4_sequence_res seq_res;
1114 #define SECINFO_STYLE_CURRENT_FH 0
1115 #define SECINFO_STYLE_PARENT 1
1116 struct nfs41_secinfo_no_name_args {
1118 struct nfs4_sequence_args seq_args;
1121 struct nfs41_test_stateid_args {
1122 nfs4_stateid *stateid;
1123 struct nfs4_sequence_args seq_args;
1126 struct nfs41_test_stateid_res {
1127 unsigned int status;
1128 struct nfs4_sequence_res seq_res;
1131 struct nfs41_free_stateid_args {
1132 nfs4_stateid *stateid;
1133 struct nfs4_sequence_args seq_args;
1136 struct nfs41_free_stateid_res {
1137 unsigned int status;
1138 struct nfs4_sequence_res seq_res;
1141 #endif /* CONFIG_NFS_V4_1 */
1145 #define NFS_PAGEVEC_SIZE (8U)
1147 struct nfs_read_data {
1148 struct rpc_task task;
1149 struct inode *inode;
1150 struct rpc_cred *cred;
1151 struct nfs_fattr fattr; /* fattr storage */
1152 struct list_head pages; /* Coalesced read requests */
1153 struct list_head list; /* lists of struct nfs_read_data */
1154 struct nfs_page *req; /* multi ops per nfs_page */
1155 struct page **pagevec;
1156 unsigned int npages; /* Max length of pagevec */
1157 struct nfs_readargs args;
1158 struct nfs_readres res;
1159 unsigned long timestamp; /* For lease renewal */
1160 struct pnfs_layout_segment *lseg;
1161 struct nfs_client *ds_clp; /* pNFS data server */
1162 const struct rpc_call_ops *mds_ops;
1163 int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data);
1166 struct page *page_array[NFS_PAGEVEC_SIZE];
1169 struct nfs_write_data {
1170 struct rpc_task task;
1171 struct inode *inode;
1172 struct rpc_cred *cred;
1173 struct nfs_fattr fattr;
1174 struct nfs_writeverf verf;
1175 struct list_head pages; /* Coalesced requests we wish to flush */
1176 struct list_head list; /* lists of struct nfs_write_data */
1177 struct nfs_page *req; /* multi ops per nfs_page */
1178 struct page **pagevec;
1179 unsigned int npages; /* Max length of pagevec */
1180 struct nfs_writeargs args; /* argument struct */
1181 struct nfs_writeres res; /* result struct */
1182 struct pnfs_layout_segment *lseg;
1183 struct nfs_client *ds_clp; /* pNFS data server */
1184 int ds_commit_index;
1185 const struct rpc_call_ops *mds_ops;
1186 int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
1187 #ifdef CONFIG_NFS_V4
1188 unsigned long timestamp; /* For lease renewal */
1190 __u64 mds_offset; /* Filelayout dense stripe */
1192 struct page *page_array[NFS_PAGEVEC_SIZE];
1195 struct nfs_access_entry;
1200 * RPC procedure vector for NFSv2/NFSv3 demuxing
1202 struct nfs_rpc_ops {
1203 u32 version; /* Protocol version */
1204 const struct dentry_operations *dentry_ops;
1205 const struct inode_operations *dir_inode_ops;
1206 const struct inode_operations *file_inode_ops;
1207 const struct file_operations *file_ops;
1209 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1210 struct nfs_fsinfo *);
1211 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1212 struct nfs_fattr *);
1213 int (*setattr) (struct dentry *, struct nfs_fattr *,
1215 int (*lookup) (struct rpc_clnt *clnt, struct inode *, struct qstr *,
1216 struct nfs_fh *, struct nfs_fattr *);
1217 int (*access) (struct inode *, struct nfs_access_entry *);
1218 int (*readlink)(struct inode *, struct page *, unsigned int,
1220 int (*create) (struct inode *, struct dentry *,
1221 struct iattr *, int, struct nfs_open_context *);
1222 int (*remove) (struct inode *, struct qstr *);
1223 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
1224 int (*unlink_done) (struct rpc_task *, struct inode *);
1225 int (*rename) (struct inode *, struct qstr *,
1226 struct inode *, struct qstr *);
1227 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
1228 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1229 int (*link) (struct inode *, struct inode *, struct qstr *);
1230 int (*symlink) (struct inode *, struct dentry *, struct page *,
1231 unsigned int, struct iattr *);
1232 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1233 int (*rmdir) (struct inode *, struct qstr *);
1234 int (*readdir) (struct dentry *, struct rpc_cred *,
1235 u64, struct page **, unsigned int, int);
1236 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1238 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1239 struct nfs_fsstat *);
1240 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1241 struct nfs_fsinfo *);
1242 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1243 struct nfs_pathconf *);
1244 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
1245 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
1246 void (*read_setup) (struct nfs_read_data *, struct rpc_message *);
1247 int (*read_done) (struct rpc_task *, struct nfs_read_data *);
1248 void (*write_setup) (struct nfs_write_data *, struct rpc_message *);
1249 int (*write_done) (struct rpc_task *, struct nfs_write_data *);
1250 void (*commit_setup) (struct nfs_write_data *, struct rpc_message *);
1251 int (*commit_done) (struct rpc_task *, struct nfs_write_data *);
1252 int (*lock)(struct file *, int, struct file_lock *);
1253 int (*lock_check_bounds)(const struct file_lock *);
1254 void (*clear_acl_cache)(struct inode *);
1255 void (*close_context)(struct nfs_open_context *ctx, int);
1256 struct inode * (*open_context) (struct inode *dir,
1257 struct nfs_open_context *ctx,
1259 struct iattr *iattr);
1260 int (*init_client) (struct nfs_client *, const struct rpc_timeout *,
1261 const char *, rpc_authflavor_t, int);
1262 int (*secinfo)(struct inode *, const struct qstr *, struct nfs4_secinfo_flavors *);
1266 * NFS_CALL(getattr, inode, (fattr));
1268 * NFS_PROTO(inode)->getattr(fattr);
1270 #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1273 * Function vectors etc. for the NFS client
1275 extern const struct nfs_rpc_ops nfs_v2_clientops;
1276 extern const struct nfs_rpc_ops nfs_v3_clientops;
1277 extern const struct nfs_rpc_ops nfs_v4_clientops;
1278 extern struct rpc_version nfs_version2;
1279 extern struct rpc_version nfs_version3;
1280 extern struct rpc_version nfs_version4;
1282 extern struct rpc_version nfsacl_version3;
1283 extern struct rpc_program nfsacl_program;