11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * fs/nfs/nfs4xdr.c 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Client-side XDR for NFSv4. 51da177e4SLinus Torvalds * 61da177e4SLinus Torvalds * Copyright (c) 2002 The Regents of the University of Michigan. 71da177e4SLinus Torvalds * All rights reserved. 81da177e4SLinus Torvalds * 91da177e4SLinus Torvalds * Kendrick Smith <kmsmith@umich.edu> 101da177e4SLinus Torvalds * Andy Adamson <andros@umich.edu> 111da177e4SLinus Torvalds * 121da177e4SLinus Torvalds * Redistribution and use in source and binary forms, with or without 131da177e4SLinus Torvalds * modification, are permitted provided that the following conditions 141da177e4SLinus Torvalds * are met: 151da177e4SLinus Torvalds * 161da177e4SLinus Torvalds * 1. Redistributions of source code must retain the above copyright 171da177e4SLinus Torvalds * notice, this list of conditions and the following disclaimer. 181da177e4SLinus Torvalds * 2. Redistributions in binary form must reproduce the above copyright 191da177e4SLinus Torvalds * notice, this list of conditions and the following disclaimer in the 201da177e4SLinus Torvalds * documentation and/or other materials provided with the distribution. 211da177e4SLinus Torvalds * 3. Neither the name of the University nor the names of its 221da177e4SLinus Torvalds * contributors may be used to endorse or promote products derived 231da177e4SLinus Torvalds * from this software without specific prior written permission. 241da177e4SLinus Torvalds * 251da177e4SLinus Torvalds * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 261da177e4SLinus Torvalds * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 271da177e4SLinus Torvalds * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 281da177e4SLinus Torvalds * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 291da177e4SLinus Torvalds * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 301da177e4SLinus Torvalds * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 311da177e4SLinus Torvalds * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 321da177e4SLinus Torvalds * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 331da177e4SLinus Torvalds * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 341da177e4SLinus Torvalds * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 351da177e4SLinus Torvalds * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 361da177e4SLinus Torvalds */ 371da177e4SLinus Torvalds 381da177e4SLinus Torvalds #include <linux/param.h> 391da177e4SLinus Torvalds #include <linux/time.h> 401da177e4SLinus Torvalds #include <linux/mm.h> 411da177e4SLinus Torvalds #include <linux/slab.h> 421da177e4SLinus Torvalds #include <linux/utsname.h> 431da177e4SLinus Torvalds #include <linux/errno.h> 441da177e4SLinus Torvalds #include <linux/string.h> 451da177e4SLinus Torvalds #include <linux/in.h> 461da177e4SLinus Torvalds #include <linux/pagemap.h> 471da177e4SLinus Torvalds #include <linux/proc_fs.h> 481da177e4SLinus Torvalds #include <linux/kdev_t.h> 491da177e4SLinus Torvalds #include <linux/sunrpc/clnt.h> 501da177e4SLinus Torvalds #include <linux/nfs.h> 511da177e4SLinus Torvalds #include <linux/nfs4.h> 521da177e4SLinus Torvalds #include <linux/nfs_fs.h> 531da177e4SLinus Torvalds #include <linux/nfs_idmap.h> 544ce79717STrond Myklebust #include "nfs4_fs.h" 551da177e4SLinus Torvalds 561da177e4SLinus Torvalds #define NFSDBG_FACILITY NFSDBG_XDR 571da177e4SLinus Torvalds 581da177e4SLinus Torvalds /* Mapping from NFS error code to "errno" error code. */ 591da177e4SLinus Torvalds #define errno_NFSERR_IO EIO 601da177e4SLinus Torvalds 610a8ea437SDavid Howells static int nfs4_stat_to_errno(int); 621da177e4SLinus Torvalds 631da177e4SLinus Torvalds /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ 641da177e4SLinus Torvalds #ifdef DEBUG 651da177e4SLinus Torvalds #define NFS4_MAXTAGLEN 20 661da177e4SLinus Torvalds #else 671da177e4SLinus Torvalds #define NFS4_MAXTAGLEN 0 681da177e4SLinus Torvalds #endif 691da177e4SLinus Torvalds 701da177e4SLinus Torvalds /* lock,open owner id: 719f958ab8STrond Myklebust * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) 721da177e4SLinus Torvalds */ 739f958ab8STrond Myklebust #define open_owner_id_maxsz (1 + 4) 749f958ab8STrond Myklebust #define lock_owner_id_maxsz (1 + 4) 759104a55dSTrond Myklebust #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) 761da177e4SLinus Torvalds #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) 771da177e4SLinus Torvalds #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) 781da177e4SLinus Torvalds #define op_encode_hdr_maxsz (1) 791da177e4SLinus Torvalds #define op_decode_hdr_maxsz (2) 809104a55dSTrond Myklebust #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) 819104a55dSTrond Myklebust #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) 829104a55dSTrond Myklebust #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) 839104a55dSTrond Myklebust #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) 841da177e4SLinus Torvalds #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ 851da177e4SLinus Torvalds (NFS4_FHSIZE >> 2)) 861da177e4SLinus Torvalds #define decode_putfh_maxsz (op_decode_hdr_maxsz) 871da177e4SLinus Torvalds #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) 881da177e4SLinus Torvalds #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) 891da177e4SLinus Torvalds #define encode_getfh_maxsz (op_encode_hdr_maxsz) 901da177e4SLinus Torvalds #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ 911da177e4SLinus Torvalds ((3+NFS4_FHSIZE) >> 2)) 9296928206SJ. Bruce Fields #define nfs4_fattr_bitmap_maxsz 3 9396928206SJ. Bruce Fields #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) 941da177e4SLinus Torvalds #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) 951da177e4SLinus Torvalds #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) 96bd625ba8STrond Myklebust #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) 97bd625ba8STrond Myklebust #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) 9896928206SJ. Bruce Fields /* This is based on getfattr, which uses the most attributes: */ 9996928206SJ. Bruce Fields #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ 100bd625ba8STrond Myklebust 3 + 3 + 3 + nfs4_owner_maxsz + nfs4_group_maxsz)) 10196928206SJ. Bruce Fields #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ 10296928206SJ. Bruce Fields nfs4_fattr_value_maxsz) 10396928206SJ. Bruce Fields #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) 1049104a55dSTrond Myklebust #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ 1059104a55dSTrond Myklebust 1 + 2 + 1 + \ 1069104a55dSTrond Myklebust nfs4_owner_maxsz + \ 1079104a55dSTrond Myklebust nfs4_group_maxsz + \ 1089104a55dSTrond Myklebust 4 + 4) 1091da177e4SLinus Torvalds #define encode_savefh_maxsz (op_encode_hdr_maxsz) 1101da177e4SLinus Torvalds #define decode_savefh_maxsz (op_decode_hdr_maxsz) 11156ae19f3STrond Myklebust #define encode_restorefh_maxsz (op_encode_hdr_maxsz) 11256ae19f3STrond Myklebust #define decode_restorefh_maxsz (op_decode_hdr_maxsz) 1132f42b5d0SFred Isaman #define encode_fsinfo_maxsz (encode_getattr_maxsz) 1141da177e4SLinus Torvalds #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 11) 1151da177e4SLinus Torvalds #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) 1161da177e4SLinus Torvalds #define decode_renew_maxsz (op_decode_hdr_maxsz) 1171da177e4SLinus Torvalds #define encode_setclientid_maxsz \ 1181da177e4SLinus Torvalds (op_encode_hdr_maxsz + \ 119cc38bac3SChuck Lever XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ 120cc38bac3SChuck Lever XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ 121cc38bac3SChuck Lever 1 /* sc_prog */ + \ 122cc38bac3SChuck Lever XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ 123cc38bac3SChuck Lever XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ 124cc38bac3SChuck Lever 1) /* sc_cb_ident */ 1251da177e4SLinus Torvalds #define decode_setclientid_maxsz \ 1261da177e4SLinus Torvalds (op_decode_hdr_maxsz + \ 1271da177e4SLinus Torvalds 2 + \ 1281da177e4SLinus Torvalds 1024) /* large value for CLID_INUSE */ 1291da177e4SLinus Torvalds #define encode_setclientid_confirm_maxsz \ 1301da177e4SLinus Torvalds (op_encode_hdr_maxsz + \ 1311da177e4SLinus Torvalds 3 + (NFS4_VERIFIER_SIZE >> 2)) 1321da177e4SLinus Torvalds #define decode_setclientid_confirm_maxsz \ 1331da177e4SLinus Torvalds (op_decode_hdr_maxsz) 134e6889620STrond Myklebust #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) 135e6889620STrond Myklebust #define decode_lookup_maxsz (op_decode_hdr_maxsz) 1362cebf828STrond Myklebust #define encode_share_access_maxsz \ 1372cebf828STrond Myklebust (2) 1389104a55dSTrond Myklebust #define encode_createmode_maxsz (1 + encode_attrs_maxsz) 1392cebf828STrond Myklebust #define encode_opentype_maxsz (1 + encode_createmode_maxsz) 1402cebf828STrond Myklebust #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) 1412cebf828STrond Myklebust #define encode_open_maxsz (op_encode_hdr_maxsz + \ 1422cebf828STrond Myklebust 2 + encode_share_access_maxsz + 2 + \ 1432cebf828STrond Myklebust open_owner_id_maxsz + \ 1442cebf828STrond Myklebust encode_opentype_maxsz + \ 1452cebf828STrond Myklebust encode_claim_null_maxsz) 1462cebf828STrond Myklebust #define decode_ace_maxsz (3 + nfs4_owner_maxsz) 1479104a55dSTrond Myklebust #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ 1482cebf828STrond Myklebust decode_ace_maxsz) 1492cebf828STrond Myklebust #define decode_change_info_maxsz (5) 1502cebf828STrond Myklebust #define decode_open_maxsz (op_decode_hdr_maxsz + \ 1519104a55dSTrond Myklebust decode_stateid_maxsz + \ 1522cebf828STrond Myklebust decode_change_info_maxsz + 1 + \ 1532cebf828STrond Myklebust nfs4_fattr_bitmap_maxsz + \ 1542cebf828STrond Myklebust decode_delegation_maxsz) 1559104a55dSTrond Myklebust #define encode_open_confirm_maxsz \ 1569104a55dSTrond Myklebust (op_encode_hdr_maxsz + \ 1579104a55dSTrond Myklebust encode_stateid_maxsz + 1) 1589104a55dSTrond Myklebust #define decode_open_confirm_maxsz \ 1599104a55dSTrond Myklebust (op_decode_hdr_maxsz + \ 1609104a55dSTrond Myklebust decode_stateid_maxsz) 1619104a55dSTrond Myklebust #define encode_open_downgrade_maxsz \ 1629104a55dSTrond Myklebust (op_encode_hdr_maxsz + \ 1639104a55dSTrond Myklebust encode_stateid_maxsz + 1 + \ 1649104a55dSTrond Myklebust encode_share_access_maxsz) 1659104a55dSTrond Myklebust #define decode_open_downgrade_maxsz \ 1669104a55dSTrond Myklebust (op_decode_hdr_maxsz + \ 1679104a55dSTrond Myklebust decode_stateid_maxsz) 1689104a55dSTrond Myklebust #define encode_close_maxsz (op_encode_hdr_maxsz + \ 1699104a55dSTrond Myklebust 1 + encode_stateid_maxsz) 1709104a55dSTrond Myklebust #define decode_close_maxsz (op_decode_hdr_maxsz + \ 1719104a55dSTrond Myklebust decode_stateid_maxsz) 1729104a55dSTrond Myklebust #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ 1739104a55dSTrond Myklebust encode_stateid_maxsz + \ 1749104a55dSTrond Myklebust encode_attrs_maxsz) 1759104a55dSTrond Myklebust #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ 1769104a55dSTrond Myklebust nfs4_fattr_bitmap_maxsz) 1779104a55dSTrond Myklebust #define encode_read_maxsz (op_encode_hdr_maxsz + \ 1789104a55dSTrond Myklebust encode_stateid_maxsz + 3) 1799104a55dSTrond Myklebust #define decode_read_maxsz (op_decode_hdr_maxsz + 2) 1809104a55dSTrond Myklebust #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ 1819104a55dSTrond Myklebust 2 + encode_verifier_maxsz + 5) 1829104a55dSTrond Myklebust #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ 1839104a55dSTrond Myklebust decode_verifier_maxsz) 1849104a55dSTrond Myklebust #define encode_readlink_maxsz (op_encode_hdr_maxsz) 1859104a55dSTrond Myklebust #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) 1869104a55dSTrond Myklebust #define encode_write_maxsz (op_encode_hdr_maxsz + \ 1879104a55dSTrond Myklebust encode_stateid_maxsz + 4) 1889104a55dSTrond Myklebust #define decode_write_maxsz (op_decode_hdr_maxsz + \ 1899104a55dSTrond Myklebust 2 + decode_verifier_maxsz) 1909104a55dSTrond Myklebust #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) 1919104a55dSTrond Myklebust #define decode_commit_maxsz (op_decode_hdr_maxsz + \ 1929104a55dSTrond Myklebust decode_verifier_maxsz) 1931da177e4SLinus Torvalds #define encode_remove_maxsz (op_encode_hdr_maxsz + \ 1941da177e4SLinus Torvalds nfs4_name_maxsz) 1951da177e4SLinus Torvalds #define encode_rename_maxsz (op_encode_hdr_maxsz + \ 1961da177e4SLinus Torvalds 2 * nfs4_name_maxsz) 1971da177e4SLinus Torvalds #define decode_rename_maxsz (op_decode_hdr_maxsz + 5 + 5) 1981da177e4SLinus Torvalds #define encode_link_maxsz (op_encode_hdr_maxsz + \ 1991da177e4SLinus Torvalds nfs4_name_maxsz) 2001da177e4SLinus Torvalds #define decode_link_maxsz (op_decode_hdr_maxsz + 5) 2019104a55dSTrond Myklebust #define encode_lock_maxsz (op_encode_hdr_maxsz + \ 2029104a55dSTrond Myklebust 7 + \ 2039104a55dSTrond Myklebust 1 + encode_stateid_maxsz + 8) 2049104a55dSTrond Myklebust #define decode_lock_denied_maxsz \ 2059104a55dSTrond Myklebust (8 + decode_lockowner_maxsz) 2069104a55dSTrond Myklebust #define decode_lock_maxsz (op_decode_hdr_maxsz + \ 2079104a55dSTrond Myklebust decode_lock_denied_maxsz) 2089104a55dSTrond Myklebust #define encode_lockt_maxsz (op_encode_hdr_maxsz + 12) 2099104a55dSTrond Myklebust #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ 2109104a55dSTrond Myklebust decode_lock_denied_maxsz) 2119104a55dSTrond Myklebust #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ 2129104a55dSTrond Myklebust encode_stateid_maxsz + \ 2139104a55dSTrond Myklebust 4) 2149104a55dSTrond Myklebust #define decode_locku_maxsz (op_decode_hdr_maxsz + \ 2159104a55dSTrond Myklebust decode_stateid_maxsz) 2169104a55dSTrond Myklebust #define encode_access_maxsz (op_encode_hdr_maxsz + 1) 2179104a55dSTrond Myklebust #define decode_access_maxsz (op_decode_hdr_maxsz + 2) 2181da177e4SLinus Torvalds #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ 2191da177e4SLinus Torvalds 1 + nfs4_name_maxsz + \ 22094a6d753SChuck Lever 1 + \ 22196928206SJ. Bruce Fields nfs4_fattr_maxsz) 2221da177e4SLinus Torvalds #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) 2231da177e4SLinus Torvalds #define encode_create_maxsz (op_encode_hdr_maxsz + \ 2249104a55dSTrond Myklebust 1 + 2 + nfs4_name_maxsz + \ 2259104a55dSTrond Myklebust encode_attrs_maxsz) 2262cebf828STrond Myklebust #define decode_create_maxsz (op_decode_hdr_maxsz + \ 2272cebf828STrond Myklebust decode_change_info_maxsz + \ 2282cebf828STrond Myklebust nfs4_fattr_bitmap_maxsz) 2299104a55dSTrond Myklebust #define encode_statfs_maxsz (encode_getattr_maxsz) 2309104a55dSTrond Myklebust #define decode_statfs_maxsz (decode_getattr_maxsz) 2311da177e4SLinus Torvalds #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) 2321da177e4SLinus Torvalds #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) 2339104a55dSTrond Myklebust #define encode_getacl_maxsz (encode_getattr_maxsz) 2349104a55dSTrond Myklebust #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ 2359104a55dSTrond Myklebust nfs4_fattr_bitmap_maxsz + 1) 2369104a55dSTrond Myklebust #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ 2379104a55dSTrond Myklebust encode_stateid_maxsz + 3) 2389104a55dSTrond Myklebust #define decode_setacl_maxsz (decode_setattr_maxsz) 239e6889620STrond Myklebust #define encode_fs_locations_maxsz \ 240e6889620STrond Myklebust (encode_getattr_maxsz) 241e6889620STrond Myklebust #define decode_fs_locations_maxsz \ 242e6889620STrond Myklebust (0) 2431da177e4SLinus Torvalds #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ 2441da177e4SLinus Torvalds #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ 2451da177e4SLinus Torvalds #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ 2461da177e4SLinus Torvalds encode_putfh_maxsz + \ 2479104a55dSTrond Myklebust encode_read_maxsz) 2481da177e4SLinus Torvalds #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ 2491da177e4SLinus Torvalds decode_putfh_maxsz + \ 2509104a55dSTrond Myklebust decode_read_maxsz) 2511da177e4SLinus Torvalds #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ 2521da177e4SLinus Torvalds encode_putfh_maxsz + \ 2539104a55dSTrond Myklebust encode_readlink_maxsz) 2541da177e4SLinus Torvalds #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ 2551da177e4SLinus Torvalds decode_putfh_maxsz + \ 2569104a55dSTrond Myklebust decode_readlink_maxsz) 2571da177e4SLinus Torvalds #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ 2581da177e4SLinus Torvalds encode_putfh_maxsz + \ 2599104a55dSTrond Myklebust encode_readdir_maxsz) 2601da177e4SLinus Torvalds #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ 2611da177e4SLinus Torvalds decode_putfh_maxsz + \ 2629104a55dSTrond Myklebust decode_readdir_maxsz) 2631da177e4SLinus Torvalds #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ 2641da177e4SLinus Torvalds encode_putfh_maxsz + \ 2659104a55dSTrond Myklebust encode_write_maxsz + \ 2664f9838c7STrond Myklebust encode_getattr_maxsz) 2671da177e4SLinus Torvalds #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ 2681da177e4SLinus Torvalds decode_putfh_maxsz + \ 2699104a55dSTrond Myklebust decode_write_maxsz + \ 2704f9838c7STrond Myklebust decode_getattr_maxsz) 2711da177e4SLinus Torvalds #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ 2721da177e4SLinus Torvalds encode_putfh_maxsz + \ 2739104a55dSTrond Myklebust encode_commit_maxsz + \ 2744f9838c7STrond Myklebust encode_getattr_maxsz) 2751da177e4SLinus Torvalds #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ 2761da177e4SLinus Torvalds decode_putfh_maxsz + \ 2779104a55dSTrond Myklebust decode_commit_maxsz + \ 2784f9838c7STrond Myklebust decode_getattr_maxsz) 2791da177e4SLinus Torvalds #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ 2801da177e4SLinus Torvalds encode_putfh_maxsz + \ 2812cebf828STrond Myklebust encode_savefh_maxsz + \ 2822cebf828STrond Myklebust encode_open_maxsz + \ 2832cebf828STrond Myklebust encode_getfh_maxsz + \ 2841da177e4SLinus Torvalds encode_getattr_maxsz + \ 2852cebf828STrond Myklebust encode_restorefh_maxsz + \ 2862cebf828STrond Myklebust encode_getattr_maxsz) 2871da177e4SLinus Torvalds #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ 2881da177e4SLinus Torvalds decode_putfh_maxsz + \ 2892cebf828STrond Myklebust decode_savefh_maxsz + \ 2902cebf828STrond Myklebust decode_open_maxsz + \ 2912cebf828STrond Myklebust decode_getfh_maxsz + \ 2921da177e4SLinus Torvalds decode_getattr_maxsz + \ 2932cebf828STrond Myklebust decode_restorefh_maxsz + \ 2942cebf828STrond Myklebust decode_getattr_maxsz) 2951da177e4SLinus Torvalds #define NFS4_enc_open_confirm_sz \ 2961da177e4SLinus Torvalds (compound_encode_hdr_maxsz + \ 2971da177e4SLinus Torvalds encode_putfh_maxsz + \ 2989104a55dSTrond Myklebust encode_open_confirm_maxsz) 2999104a55dSTrond Myklebust #define NFS4_dec_open_confirm_sz \ 3009104a55dSTrond Myklebust (compound_decode_hdr_maxsz + \ 3011da177e4SLinus Torvalds decode_putfh_maxsz + \ 3029104a55dSTrond Myklebust decode_open_confirm_maxsz) 3031da177e4SLinus Torvalds #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ 3041da177e4SLinus Torvalds encode_putfh_maxsz + \ 3052cebf828STrond Myklebust encode_open_maxsz + \ 3062cebf828STrond Myklebust encode_getattr_maxsz) 3071da177e4SLinus Torvalds #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ 3081da177e4SLinus Torvalds decode_putfh_maxsz + \ 3092cebf828STrond Myklebust decode_open_maxsz + \ 3102cebf828STrond Myklebust decode_getattr_maxsz) 3111da177e4SLinus Torvalds #define NFS4_enc_open_downgrade_sz \ 3121da177e4SLinus Torvalds (compound_encode_hdr_maxsz + \ 3131da177e4SLinus Torvalds encode_putfh_maxsz + \ 3149104a55dSTrond Myklebust encode_open_downgrade_maxsz + \ 315516a6af6STrond Myklebust encode_getattr_maxsz) 3161da177e4SLinus Torvalds #define NFS4_dec_open_downgrade_sz \ 3171da177e4SLinus Torvalds (compound_decode_hdr_maxsz + \ 3181da177e4SLinus Torvalds decode_putfh_maxsz + \ 3199104a55dSTrond Myklebust decode_open_downgrade_maxsz + \ 320516a6af6STrond Myklebust decode_getattr_maxsz) 3211da177e4SLinus Torvalds #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ 3221da177e4SLinus Torvalds encode_putfh_maxsz + \ 3239104a55dSTrond Myklebust encode_close_maxsz + \ 324516a6af6STrond Myklebust encode_getattr_maxsz) 3251da177e4SLinus Torvalds #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ 3261da177e4SLinus Torvalds decode_putfh_maxsz + \ 3279104a55dSTrond Myklebust decode_close_maxsz + \ 328516a6af6STrond Myklebust decode_getattr_maxsz) 3291da177e4SLinus Torvalds #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ 3301da177e4SLinus Torvalds encode_putfh_maxsz + \ 3319104a55dSTrond Myklebust encode_setattr_maxsz + \ 3321da177e4SLinus Torvalds encode_getattr_maxsz) 3331da177e4SLinus Torvalds #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ 3341da177e4SLinus Torvalds decode_putfh_maxsz + \ 3359104a55dSTrond Myklebust decode_setattr_maxsz + \ 3369104a55dSTrond Myklebust decode_getattr_maxsz) 3371da177e4SLinus Torvalds #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ 3381da177e4SLinus Torvalds encode_putfh_maxsz + \ 3391da177e4SLinus Torvalds encode_fsinfo_maxsz) 3401da177e4SLinus Torvalds #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ 3411da177e4SLinus Torvalds decode_putfh_maxsz + \ 3421da177e4SLinus Torvalds decode_fsinfo_maxsz) 3431da177e4SLinus Torvalds #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ 3441da177e4SLinus Torvalds encode_renew_maxsz) 3451da177e4SLinus Torvalds #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ 3461da177e4SLinus Torvalds decode_renew_maxsz) 3471da177e4SLinus Torvalds #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ 3481da177e4SLinus Torvalds encode_setclientid_maxsz) 3491da177e4SLinus Torvalds #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ 3501da177e4SLinus Torvalds decode_setclientid_maxsz) 3511da177e4SLinus Torvalds #define NFS4_enc_setclientid_confirm_sz \ 3521da177e4SLinus Torvalds (compound_encode_hdr_maxsz + \ 3531da177e4SLinus Torvalds encode_setclientid_confirm_maxsz + \ 3541da177e4SLinus Torvalds encode_putrootfh_maxsz + \ 3551da177e4SLinus Torvalds encode_fsinfo_maxsz) 3561da177e4SLinus Torvalds #define NFS4_dec_setclientid_confirm_sz \ 3571da177e4SLinus Torvalds (compound_decode_hdr_maxsz + \ 3581da177e4SLinus Torvalds decode_setclientid_confirm_maxsz + \ 3591da177e4SLinus Torvalds decode_putrootfh_maxsz + \ 3601da177e4SLinus Torvalds decode_fsinfo_maxsz) 3611da177e4SLinus Torvalds #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ 3621da177e4SLinus Torvalds encode_putfh_maxsz + \ 3639104a55dSTrond Myklebust encode_lock_maxsz) 3641da177e4SLinus Torvalds #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ 3651da177e4SLinus Torvalds decode_putfh_maxsz + \ 3669104a55dSTrond Myklebust decode_lock_maxsz) 3671da177e4SLinus Torvalds #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ 3681da177e4SLinus Torvalds encode_putfh_maxsz + \ 3699104a55dSTrond Myklebust encode_lockt_maxsz) 3709104a55dSTrond Myklebust #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ 3719104a55dSTrond Myklebust decode_putfh_maxsz + \ 3729104a55dSTrond Myklebust decode_lockt_maxsz) 3731da177e4SLinus Torvalds #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ 3741da177e4SLinus Torvalds encode_putfh_maxsz + \ 3759104a55dSTrond Myklebust encode_locku_maxsz) 3761da177e4SLinus Torvalds #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ 3771da177e4SLinus Torvalds decode_putfh_maxsz + \ 3789104a55dSTrond Myklebust decode_locku_maxsz) 3791da177e4SLinus Torvalds #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ 3801da177e4SLinus Torvalds encode_putfh_maxsz + \ 38176b32999STrond Myklebust encode_access_maxsz + \ 38276b32999STrond Myklebust encode_getattr_maxsz) 3831da177e4SLinus Torvalds #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ 3841da177e4SLinus Torvalds decode_putfh_maxsz + \ 38576b32999STrond Myklebust decode_access_maxsz + \ 38676b32999STrond Myklebust decode_getattr_maxsz) 3871da177e4SLinus Torvalds #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ 3881da177e4SLinus Torvalds encode_putfh_maxsz + \ 3891da177e4SLinus Torvalds encode_getattr_maxsz) 3901da177e4SLinus Torvalds #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ 3911da177e4SLinus Torvalds decode_putfh_maxsz + \ 3921da177e4SLinus Torvalds decode_getattr_maxsz) 3931da177e4SLinus Torvalds #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ 3941da177e4SLinus Torvalds encode_putfh_maxsz + \ 3951da177e4SLinus Torvalds encode_lookup_maxsz + \ 3961da177e4SLinus Torvalds encode_getattr_maxsz + \ 3971da177e4SLinus Torvalds encode_getfh_maxsz) 3981da177e4SLinus Torvalds #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ 3991da177e4SLinus Torvalds decode_putfh_maxsz + \ 400e6889620STrond Myklebust decode_lookup_maxsz + \ 4011da177e4SLinus Torvalds decode_getattr_maxsz + \ 4021da177e4SLinus Torvalds decode_getfh_maxsz) 4031da177e4SLinus Torvalds #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ 4041da177e4SLinus Torvalds encode_putrootfh_maxsz + \ 4051da177e4SLinus Torvalds encode_getattr_maxsz + \ 4061da177e4SLinus Torvalds encode_getfh_maxsz) 4071da177e4SLinus Torvalds #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ 4081da177e4SLinus Torvalds decode_putrootfh_maxsz + \ 4091da177e4SLinus Torvalds decode_getattr_maxsz + \ 4101da177e4SLinus Torvalds decode_getfh_maxsz) 4111da177e4SLinus Torvalds #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ 4121da177e4SLinus Torvalds encode_putfh_maxsz + \ 41316e42959STrond Myklebust encode_remove_maxsz + \ 41416e42959STrond Myklebust encode_getattr_maxsz) 4151da177e4SLinus Torvalds #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ 4161da177e4SLinus Torvalds decode_putfh_maxsz + \ 41716e42959STrond Myklebust op_decode_hdr_maxsz + 5 + \ 41816e42959STrond Myklebust decode_getattr_maxsz) 4191da177e4SLinus Torvalds #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ 4201da177e4SLinus Torvalds encode_putfh_maxsz + \ 4211da177e4SLinus Torvalds encode_savefh_maxsz + \ 4221da177e4SLinus Torvalds encode_putfh_maxsz + \ 4236caf2c82STrond Myklebust encode_rename_maxsz + \ 4246caf2c82STrond Myklebust encode_getattr_maxsz + \ 4256caf2c82STrond Myklebust encode_restorefh_maxsz + \ 4266caf2c82STrond Myklebust encode_getattr_maxsz) 4271da177e4SLinus Torvalds #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ 4281da177e4SLinus Torvalds decode_putfh_maxsz + \ 4291da177e4SLinus Torvalds decode_savefh_maxsz + \ 4301da177e4SLinus Torvalds decode_putfh_maxsz + \ 4316caf2c82STrond Myklebust decode_rename_maxsz + \ 4326caf2c82STrond Myklebust decode_getattr_maxsz + \ 4336caf2c82STrond Myklebust decode_restorefh_maxsz + \ 4346caf2c82STrond Myklebust decode_getattr_maxsz) 4351da177e4SLinus Torvalds #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ 4361da177e4SLinus Torvalds encode_putfh_maxsz + \ 4371da177e4SLinus Torvalds encode_savefh_maxsz + \ 4381da177e4SLinus Torvalds encode_putfh_maxsz + \ 43991ba2eeeSTrond Myklebust encode_link_maxsz + \ 44091ba2eeeSTrond Myklebust decode_getattr_maxsz + \ 44191ba2eeeSTrond Myklebust encode_restorefh_maxsz + \ 44291ba2eeeSTrond Myklebust decode_getattr_maxsz) 4431da177e4SLinus Torvalds #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ 4441da177e4SLinus Torvalds decode_putfh_maxsz + \ 4451da177e4SLinus Torvalds decode_savefh_maxsz + \ 4461da177e4SLinus Torvalds decode_putfh_maxsz + \ 44791ba2eeeSTrond Myklebust decode_link_maxsz + \ 44891ba2eeeSTrond Myklebust decode_getattr_maxsz + \ 44991ba2eeeSTrond Myklebust decode_restorefh_maxsz + \ 45091ba2eeeSTrond Myklebust decode_getattr_maxsz) 4511da177e4SLinus Torvalds #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ 4521da177e4SLinus Torvalds encode_putfh_maxsz + \ 4531da177e4SLinus Torvalds encode_symlink_maxsz + \ 4541da177e4SLinus Torvalds encode_getattr_maxsz + \ 4551da177e4SLinus Torvalds encode_getfh_maxsz) 4561da177e4SLinus Torvalds #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ 4571da177e4SLinus Torvalds decode_putfh_maxsz + \ 4581da177e4SLinus Torvalds decode_symlink_maxsz + \ 4591da177e4SLinus Torvalds decode_getattr_maxsz + \ 4601da177e4SLinus Torvalds decode_getfh_maxsz) 4611da177e4SLinus Torvalds #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ 4621da177e4SLinus Torvalds encode_putfh_maxsz + \ 46356ae19f3STrond Myklebust encode_savefh_maxsz + \ 4641da177e4SLinus Torvalds encode_create_maxsz + \ 46556ae19f3STrond Myklebust encode_getfh_maxsz + \ 4661da177e4SLinus Torvalds encode_getattr_maxsz + \ 46756ae19f3STrond Myklebust encode_restorefh_maxsz + \ 46856ae19f3STrond Myklebust encode_getattr_maxsz) 4691da177e4SLinus Torvalds #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ 4701da177e4SLinus Torvalds decode_putfh_maxsz + \ 47156ae19f3STrond Myklebust decode_savefh_maxsz + \ 4721da177e4SLinus Torvalds decode_create_maxsz + \ 47356ae19f3STrond Myklebust decode_getfh_maxsz + \ 4741da177e4SLinus Torvalds decode_getattr_maxsz + \ 47556ae19f3STrond Myklebust decode_restorefh_maxsz + \ 47656ae19f3STrond Myklebust decode_getattr_maxsz) 4771da177e4SLinus Torvalds #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ 4781da177e4SLinus Torvalds encode_putfh_maxsz + \ 4791da177e4SLinus Torvalds encode_getattr_maxsz) 4801da177e4SLinus Torvalds #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ 4811da177e4SLinus Torvalds decode_putfh_maxsz + \ 4821da177e4SLinus Torvalds decode_getattr_maxsz) 4831da177e4SLinus Torvalds #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ 4841da177e4SLinus Torvalds encode_putfh_maxsz + \ 4859104a55dSTrond Myklebust encode_statfs_maxsz) 4861da177e4SLinus Torvalds #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ 4871da177e4SLinus Torvalds decode_putfh_maxsz + \ 4889104a55dSTrond Myklebust decode_statfs_maxsz) 4891da177e4SLinus Torvalds #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ 490ab91f264STrond Myklebust encode_putfh_maxsz + \ 4911da177e4SLinus Torvalds encode_getattr_maxsz) 4921da177e4SLinus Torvalds #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ 493ab91f264STrond Myklebust decode_putfh_maxsz + \ 4941da177e4SLinus Torvalds decode_getattr_maxsz) 4951da177e4SLinus Torvalds #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ 4961da177e4SLinus Torvalds encode_putfh_maxsz + \ 497fa178f29STrond Myklebust encode_delegreturn_maxsz + \ 498fa178f29STrond Myklebust encode_getattr_maxsz) 4991da177e4SLinus Torvalds #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ 500fa178f29STrond Myklebust decode_delegreturn_maxsz + \ 501fa178f29STrond Myklebust decode_getattr_maxsz) 502029d105eSJ. Bruce Fields #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ 503029d105eSJ. Bruce Fields encode_putfh_maxsz + \ 5049104a55dSTrond Myklebust encode_getacl_maxsz) 505029d105eSJ. Bruce Fields #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ 506029d105eSJ. Bruce Fields decode_putfh_maxsz + \ 5079104a55dSTrond Myklebust decode_getacl_maxsz) 50823ec6965SJ. Bruce Fields #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ 50923ec6965SJ. Bruce Fields encode_putfh_maxsz + \ 5109104a55dSTrond Myklebust encode_setacl_maxsz) 51123ec6965SJ. Bruce Fields #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ 51223ec6965SJ. Bruce Fields decode_putfh_maxsz + \ 5139104a55dSTrond Myklebust decode_setacl_maxsz) 514683b57b4STrond Myklebust #define NFS4_enc_fs_locations_sz \ 515683b57b4STrond Myklebust (compound_encode_hdr_maxsz + \ 516683b57b4STrond Myklebust encode_putfh_maxsz + \ 517e6889620STrond Myklebust encode_lookup_maxsz + \ 518e6889620STrond Myklebust encode_fs_locations_maxsz) 519683b57b4STrond Myklebust #define NFS4_dec_fs_locations_sz \ 520683b57b4STrond Myklebust (compound_decode_hdr_maxsz + \ 521683b57b4STrond Myklebust decode_putfh_maxsz + \ 522e6889620STrond Myklebust decode_lookup_maxsz + \ 523e6889620STrond Myklebust decode_fs_locations_maxsz) 5241da177e4SLinus Torvalds 525bca79478STrond Myklebust static const umode_t nfs_type2fmt[] = { 526bca79478STrond Myklebust [NF4BAD] = 0, 527bca79478STrond Myklebust [NF4REG] = S_IFREG, 528bca79478STrond Myklebust [NF4DIR] = S_IFDIR, 529bca79478STrond Myklebust [NF4BLK] = S_IFBLK, 530bca79478STrond Myklebust [NF4CHR] = S_IFCHR, 531bca79478STrond Myklebust [NF4LNK] = S_IFLNK, 532bca79478STrond Myklebust [NF4SOCK] = S_IFSOCK, 533bca79478STrond Myklebust [NF4FIFO] = S_IFIFO, 534bca79478STrond Myklebust [NF4ATTRDIR] = 0, 535bca79478STrond Myklebust [NF4NAMEDATTR] = 0, 5361da177e4SLinus Torvalds }; 5371da177e4SLinus Torvalds 5381da177e4SLinus Torvalds struct compound_hdr { 5391da177e4SLinus Torvalds int32_t status; 5401da177e4SLinus Torvalds uint32_t nops; 541d017931cSAndy Adamson __be32 * nops_p; 5421da177e4SLinus Torvalds uint32_t taglen; 5431da177e4SLinus Torvalds char * tag; 5441da177e4SLinus Torvalds }; 5451da177e4SLinus Torvalds 5461da177e4SLinus Torvalds /* 5471da177e4SLinus Torvalds * START OF "GENERIC" ENCODE ROUTINES. 5481da177e4SLinus Torvalds * These may look a little ugly since they are imported from a "generic" 5491da177e4SLinus Torvalds * set of XDR encode/decode routines which are intended to be shared by 5501da177e4SLinus Torvalds * all of our NFSv4 implementations (OpenBSD, MacOS X...). 5511da177e4SLinus Torvalds * 5521da177e4SLinus Torvalds * If the pain of reading these is too great, it should be a straightforward 5531da177e4SLinus Torvalds * task to translate them into Linux-specific versions which are more 5541da177e4SLinus Torvalds * consistent with the style used in NFSv2/v3... 5551da177e4SLinus Torvalds */ 5561da177e4SLinus Torvalds #define WRITE32(n) *p++ = htonl(n) 5571da177e4SLinus Torvalds #define WRITE64(n) do { \ 5581da177e4SLinus Torvalds *p++ = htonl((uint32_t)((n) >> 32)); \ 5591da177e4SLinus Torvalds *p++ = htonl((uint32_t)(n)); \ 5601da177e4SLinus Torvalds } while (0) 5611da177e4SLinus Torvalds #define WRITEMEM(ptr,nbytes) do { \ 5621da177e4SLinus Torvalds p = xdr_encode_opaque_fixed(p, ptr, nbytes); \ 5631da177e4SLinus Torvalds } while (0) 5641da177e4SLinus Torvalds 5651da177e4SLinus Torvalds #define RESERVE_SPACE(nbytes) do { \ 5661da177e4SLinus Torvalds p = xdr_reserve_space(xdr, nbytes); \ 5671da177e4SLinus Torvalds BUG_ON(!p); \ 5681da177e4SLinus Torvalds } while (0) 5691da177e4SLinus Torvalds 5701da177e4SLinus Torvalds static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) 5711da177e4SLinus Torvalds { 5728687b63aSAl Viro __be32 *p; 5731da177e4SLinus Torvalds 5741da177e4SLinus Torvalds p = xdr_reserve_space(xdr, 4 + len); 5751da177e4SLinus Torvalds BUG_ON(p == NULL); 5761da177e4SLinus Torvalds xdr_encode_opaque(p, str, len); 5771da177e4SLinus Torvalds } 5781da177e4SLinus Torvalds 579d017931cSAndy Adamson static void encode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) 5801da177e4SLinus Torvalds { 5818687b63aSAl Viro __be32 *p; 5821da177e4SLinus Torvalds 5831da177e4SLinus Torvalds dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag); 5841da177e4SLinus Torvalds BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); 5851da177e4SLinus Torvalds RESERVE_SPACE(12+(XDR_QUADLEN(hdr->taglen)<<2)); 5861da177e4SLinus Torvalds WRITE32(hdr->taglen); 5871da177e4SLinus Torvalds WRITEMEM(hdr->tag, hdr->taglen); 5881da177e4SLinus Torvalds WRITE32(NFS4_MINOR_VERSION); 589d017931cSAndy Adamson hdr->nops_p = p; 5901da177e4SLinus Torvalds WRITE32(hdr->nops); 591d017931cSAndy Adamson } 592d017931cSAndy Adamson 593d017931cSAndy Adamson static void encode_nops(struct compound_hdr *hdr) 594d017931cSAndy Adamson { 595d017931cSAndy Adamson *hdr->nops_p = htonl(hdr->nops); 5961da177e4SLinus Torvalds } 5971da177e4SLinus Torvalds 5981da177e4SLinus Torvalds static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) 5991da177e4SLinus Torvalds { 6008687b63aSAl Viro __be32 *p; 6011da177e4SLinus Torvalds 6021da177e4SLinus Torvalds p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE); 6031da177e4SLinus Torvalds BUG_ON(p == NULL); 6041da177e4SLinus Torvalds xdr_encode_opaque_fixed(p, verf->data, NFS4_VERIFIER_SIZE); 6051da177e4SLinus Torvalds } 6061da177e4SLinus Torvalds 607cf8cdbe5SAndy Adamson static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) 6081da177e4SLinus Torvalds { 6091da177e4SLinus Torvalds char owner_name[IDMAP_NAMESZ]; 6101da177e4SLinus Torvalds char owner_group[IDMAP_NAMESZ]; 6111da177e4SLinus Torvalds int owner_namelen = 0; 6121da177e4SLinus Torvalds int owner_grouplen = 0; 6138687b63aSAl Viro __be32 *p; 6148687b63aSAl Viro __be32 *q; 6151da177e4SLinus Torvalds int len; 6161da177e4SLinus Torvalds uint32_t bmval0 = 0; 6171da177e4SLinus Torvalds uint32_t bmval1 = 0; 6181da177e4SLinus Torvalds 6191da177e4SLinus Torvalds /* 6201da177e4SLinus Torvalds * We reserve enough space to write the entire attribute buffer at once. 6211da177e4SLinus Torvalds * In the worst-case, this would be 6221da177e4SLinus Torvalds * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) 6231da177e4SLinus Torvalds * = 36 bytes, plus any contribution from variable-length fields 62423ec6965SJ. Bruce Fields * such as owner/group. 6251da177e4SLinus Torvalds */ 6261da177e4SLinus Torvalds len = 16; 6271da177e4SLinus Torvalds 6281da177e4SLinus Torvalds /* Sigh */ 6291da177e4SLinus Torvalds if (iap->ia_valid & ATTR_SIZE) 6301da177e4SLinus Torvalds len += 8; 6311da177e4SLinus Torvalds if (iap->ia_valid & ATTR_MODE) 6321da177e4SLinus Torvalds len += 4; 6331da177e4SLinus Torvalds if (iap->ia_valid & ATTR_UID) { 6347539bbabSDavid Howells owner_namelen = nfs_map_uid_to_name(server->nfs_client, iap->ia_uid, owner_name); 6351da177e4SLinus Torvalds if (owner_namelen < 0) { 636fe82a183SChuck Lever dprintk("nfs: couldn't resolve uid %d to string\n", 6371da177e4SLinus Torvalds iap->ia_uid); 6381da177e4SLinus Torvalds /* XXX */ 6391da177e4SLinus Torvalds strcpy(owner_name, "nobody"); 6401da177e4SLinus Torvalds owner_namelen = sizeof("nobody") - 1; 6411da177e4SLinus Torvalds /* goto out; */ 6421da177e4SLinus Torvalds } 6431da177e4SLinus Torvalds len += 4 + (XDR_QUADLEN(owner_namelen) << 2); 6441da177e4SLinus Torvalds } 6451da177e4SLinus Torvalds if (iap->ia_valid & ATTR_GID) { 6467539bbabSDavid Howells owner_grouplen = nfs_map_gid_to_group(server->nfs_client, iap->ia_gid, owner_group); 6471da177e4SLinus Torvalds if (owner_grouplen < 0) { 648fe82a183SChuck Lever dprintk("nfs: couldn't resolve gid %d to string\n", 6491da177e4SLinus Torvalds iap->ia_gid); 6501da177e4SLinus Torvalds strcpy(owner_group, "nobody"); 6511da177e4SLinus Torvalds owner_grouplen = sizeof("nobody") - 1; 6521da177e4SLinus Torvalds /* goto out; */ 6531da177e4SLinus Torvalds } 6541da177e4SLinus Torvalds len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); 6551da177e4SLinus Torvalds } 6561da177e4SLinus Torvalds if (iap->ia_valid & ATTR_ATIME_SET) 6571da177e4SLinus Torvalds len += 16; 6581da177e4SLinus Torvalds else if (iap->ia_valid & ATTR_ATIME) 6591da177e4SLinus Torvalds len += 4; 6601da177e4SLinus Torvalds if (iap->ia_valid & ATTR_MTIME_SET) 6611da177e4SLinus Torvalds len += 16; 6621da177e4SLinus Torvalds else if (iap->ia_valid & ATTR_MTIME) 6631da177e4SLinus Torvalds len += 4; 6641da177e4SLinus Torvalds RESERVE_SPACE(len); 6651da177e4SLinus Torvalds 6661da177e4SLinus Torvalds /* 6671da177e4SLinus Torvalds * We write the bitmap length now, but leave the bitmap and the attribute 6681da177e4SLinus Torvalds * buffer length to be backfilled at the end of this routine. 6691da177e4SLinus Torvalds */ 6701da177e4SLinus Torvalds WRITE32(2); 6711da177e4SLinus Torvalds q = p; 6721da177e4SLinus Torvalds p += 3; 6731da177e4SLinus Torvalds 6741da177e4SLinus Torvalds if (iap->ia_valid & ATTR_SIZE) { 6751da177e4SLinus Torvalds bmval0 |= FATTR4_WORD0_SIZE; 6761da177e4SLinus Torvalds WRITE64(iap->ia_size); 6771da177e4SLinus Torvalds } 6781da177e4SLinus Torvalds if (iap->ia_valid & ATTR_MODE) { 6791da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_MODE; 680cf3fff54STrond Myklebust WRITE32(iap->ia_mode & S_IALLUGO); 6811da177e4SLinus Torvalds } 6821da177e4SLinus Torvalds if (iap->ia_valid & ATTR_UID) { 6831da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_OWNER; 6841da177e4SLinus Torvalds WRITE32(owner_namelen); 6851da177e4SLinus Torvalds WRITEMEM(owner_name, owner_namelen); 6861da177e4SLinus Torvalds } 6871da177e4SLinus Torvalds if (iap->ia_valid & ATTR_GID) { 6881da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_OWNER_GROUP; 6891da177e4SLinus Torvalds WRITE32(owner_grouplen); 6901da177e4SLinus Torvalds WRITEMEM(owner_group, owner_grouplen); 6911da177e4SLinus Torvalds } 6921da177e4SLinus Torvalds if (iap->ia_valid & ATTR_ATIME_SET) { 6931da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; 6941da177e4SLinus Torvalds WRITE32(NFS4_SET_TO_CLIENT_TIME); 6951da177e4SLinus Torvalds WRITE32(0); 6961da177e4SLinus Torvalds WRITE32(iap->ia_mtime.tv_sec); 6971da177e4SLinus Torvalds WRITE32(iap->ia_mtime.tv_nsec); 6981da177e4SLinus Torvalds } 6991da177e4SLinus Torvalds else if (iap->ia_valid & ATTR_ATIME) { 7001da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; 7011da177e4SLinus Torvalds WRITE32(NFS4_SET_TO_SERVER_TIME); 7021da177e4SLinus Torvalds } 7031da177e4SLinus Torvalds if (iap->ia_valid & ATTR_MTIME_SET) { 7041da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; 7051da177e4SLinus Torvalds WRITE32(NFS4_SET_TO_CLIENT_TIME); 7061da177e4SLinus Torvalds WRITE32(0); 7071da177e4SLinus Torvalds WRITE32(iap->ia_mtime.tv_sec); 7081da177e4SLinus Torvalds WRITE32(iap->ia_mtime.tv_nsec); 7091da177e4SLinus Torvalds } 7101da177e4SLinus Torvalds else if (iap->ia_valid & ATTR_MTIME) { 7111da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; 7121da177e4SLinus Torvalds WRITE32(NFS4_SET_TO_SERVER_TIME); 7131da177e4SLinus Torvalds } 7141da177e4SLinus Torvalds 7151da177e4SLinus Torvalds /* 7161da177e4SLinus Torvalds * Now we backfill the bitmap and the attribute buffer length. 7171da177e4SLinus Torvalds */ 7181da177e4SLinus Torvalds if (len != ((char *)p - (char *)q) + 4) { 719fe82a183SChuck Lever printk(KERN_ERR "nfs: Attr length error, %u != %Zu\n", 7201da177e4SLinus Torvalds len, ((char *)p - (char *)q) + 4); 7211da177e4SLinus Torvalds BUG(); 7221da177e4SLinus Torvalds } 7231da177e4SLinus Torvalds len = (char *)p - (char *)q - 12; 7241da177e4SLinus Torvalds *q++ = htonl(bmval0); 7251da177e4SLinus Torvalds *q++ = htonl(bmval1); 7261da177e4SLinus Torvalds *q++ = htonl(len); 7271da177e4SLinus Torvalds 7281da177e4SLinus Torvalds /* out: */ 7291da177e4SLinus Torvalds } 7301da177e4SLinus Torvalds 731cf8cdbe5SAndy Adamson static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) 7321da177e4SLinus Torvalds { 7338687b63aSAl Viro __be32 *p; 7341da177e4SLinus Torvalds 7351da177e4SLinus Torvalds RESERVE_SPACE(8); 7361da177e4SLinus Torvalds WRITE32(OP_ACCESS); 7371da177e4SLinus Torvalds WRITE32(access); 738d017931cSAndy Adamson hdr->nops++; 7391da177e4SLinus Torvalds } 7401da177e4SLinus Torvalds 741cf8cdbe5SAndy Adamson static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) 7421da177e4SLinus Torvalds { 7438687b63aSAl Viro __be32 *p; 7441da177e4SLinus Torvalds 7458ae20abdSTrond Myklebust RESERVE_SPACE(8+NFS4_STATEID_SIZE); 7461da177e4SLinus Torvalds WRITE32(OP_CLOSE); 747cee54fc9STrond Myklebust WRITE32(arg->seqid->sequence->counter); 7488ae20abdSTrond Myklebust WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE); 749d017931cSAndy Adamson hdr->nops++; 7501da177e4SLinus Torvalds } 7511da177e4SLinus Torvalds 752cf8cdbe5SAndy Adamson static void encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) 7531da177e4SLinus Torvalds { 7548687b63aSAl Viro __be32 *p; 7551da177e4SLinus Torvalds 7561da177e4SLinus Torvalds RESERVE_SPACE(16); 7571da177e4SLinus Torvalds WRITE32(OP_COMMIT); 7581da177e4SLinus Torvalds WRITE64(args->offset); 7591da177e4SLinus Torvalds WRITE32(args->count); 760d017931cSAndy Adamson hdr->nops++; 7611da177e4SLinus Torvalds } 7621da177e4SLinus Torvalds 763cf8cdbe5SAndy Adamson static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) 7641da177e4SLinus Torvalds { 7658687b63aSAl Viro __be32 *p; 7661da177e4SLinus Torvalds 7671da177e4SLinus Torvalds RESERVE_SPACE(8); 7681da177e4SLinus Torvalds WRITE32(OP_CREATE); 7691da177e4SLinus Torvalds WRITE32(create->ftype); 7701da177e4SLinus Torvalds 7711da177e4SLinus Torvalds switch (create->ftype) { 7721da177e4SLinus Torvalds case NF4LNK: 77394a6d753SChuck Lever RESERVE_SPACE(4); 77494a6d753SChuck Lever WRITE32(create->u.symlink.len); 77594a6d753SChuck Lever xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); 7761da177e4SLinus Torvalds break; 7771da177e4SLinus Torvalds 7781da177e4SLinus Torvalds case NF4BLK: case NF4CHR: 7791da177e4SLinus Torvalds RESERVE_SPACE(8); 7801da177e4SLinus Torvalds WRITE32(create->u.device.specdata1); 7811da177e4SLinus Torvalds WRITE32(create->u.device.specdata2); 7821da177e4SLinus Torvalds break; 7831da177e4SLinus Torvalds 7841da177e4SLinus Torvalds default: 7851da177e4SLinus Torvalds break; 7861da177e4SLinus Torvalds } 7871da177e4SLinus Torvalds 7881da177e4SLinus Torvalds RESERVE_SPACE(4 + create->name->len); 7891da177e4SLinus Torvalds WRITE32(create->name->len); 7901da177e4SLinus Torvalds WRITEMEM(create->name->name, create->name->len); 791d017931cSAndy Adamson hdr->nops++; 7921da177e4SLinus Torvalds 793cf8cdbe5SAndy Adamson encode_attrs(xdr, create->attrs, create->server); 7941da177e4SLinus Torvalds } 7951da177e4SLinus Torvalds 796cf8cdbe5SAndy Adamson static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) 7971da177e4SLinus Torvalds { 7988687b63aSAl Viro __be32 *p; 7991da177e4SLinus Torvalds 8001da177e4SLinus Torvalds RESERVE_SPACE(12); 8011da177e4SLinus Torvalds WRITE32(OP_GETATTR); 8021da177e4SLinus Torvalds WRITE32(1); 8031da177e4SLinus Torvalds WRITE32(bitmap); 804d017931cSAndy Adamson hdr->nops++; 8051da177e4SLinus Torvalds } 8061da177e4SLinus Torvalds 807cf8cdbe5SAndy Adamson static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) 8081da177e4SLinus Torvalds { 8098687b63aSAl Viro __be32 *p; 8101da177e4SLinus Torvalds 8111da177e4SLinus Torvalds RESERVE_SPACE(16); 8121da177e4SLinus Torvalds WRITE32(OP_GETATTR); 8131da177e4SLinus Torvalds WRITE32(2); 8141da177e4SLinus Torvalds WRITE32(bm0); 8151da177e4SLinus Torvalds WRITE32(bm1); 816d017931cSAndy Adamson hdr->nops++; 8171da177e4SLinus Torvalds } 8181da177e4SLinus Torvalds 819cf8cdbe5SAndy Adamson static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) 8201da177e4SLinus Torvalds { 821cf8cdbe5SAndy Adamson encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0], 822d017931cSAndy Adamson bitmask[1] & nfs4_fattr_bitmap[1], hdr); 8231da177e4SLinus Torvalds } 8241da177e4SLinus Torvalds 825cf8cdbe5SAndy Adamson static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) 8261da177e4SLinus Torvalds { 827cf8cdbe5SAndy Adamson encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0], 828d017931cSAndy Adamson bitmask[1] & nfs4_fsinfo_bitmap[1], hdr); 8291da177e4SLinus Torvalds } 8301da177e4SLinus Torvalds 831cf8cdbe5SAndy Adamson static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) 832830b8e33SManoj Naik { 833cf8cdbe5SAndy Adamson encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], 834cf8cdbe5SAndy Adamson bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); 835830b8e33SManoj Naik } 836830b8e33SManoj Naik 837cf8cdbe5SAndy Adamson static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) 8381da177e4SLinus Torvalds { 8398687b63aSAl Viro __be32 *p; 8401da177e4SLinus Torvalds 8411da177e4SLinus Torvalds RESERVE_SPACE(4); 8421da177e4SLinus Torvalds WRITE32(OP_GETFH); 843d017931cSAndy Adamson hdr->nops++; 8441da177e4SLinus Torvalds } 8451da177e4SLinus Torvalds 846cf8cdbe5SAndy Adamson static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) 8471da177e4SLinus Torvalds { 8488687b63aSAl Viro __be32 *p; 8491da177e4SLinus Torvalds 8501da177e4SLinus Torvalds RESERVE_SPACE(8 + name->len); 8511da177e4SLinus Torvalds WRITE32(OP_LINK); 8521da177e4SLinus Torvalds WRITE32(name->len); 8531da177e4SLinus Torvalds WRITEMEM(name->name, name->len); 854d017931cSAndy Adamson hdr->nops++; 8551da177e4SLinus Torvalds } 8561da177e4SLinus Torvalds 857911d1aafSTrond Myklebust static inline int nfs4_lock_type(struct file_lock *fl, int block) 858911d1aafSTrond Myklebust { 859911d1aafSTrond Myklebust if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) 860911d1aafSTrond Myklebust return block ? NFS4_READW_LT : NFS4_READ_LT; 861911d1aafSTrond Myklebust return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; 862911d1aafSTrond Myklebust } 863911d1aafSTrond Myklebust 864911d1aafSTrond Myklebust static inline uint64_t nfs4_lock_length(struct file_lock *fl) 865911d1aafSTrond Myklebust { 866911d1aafSTrond Myklebust if (fl->fl_end == OFFSET_MAX) 867911d1aafSTrond Myklebust return ~(uint64_t)0; 868911d1aafSTrond Myklebust return fl->fl_end - fl->fl_start + 1; 869911d1aafSTrond Myklebust } 870911d1aafSTrond Myklebust 8711da177e4SLinus Torvalds /* 8721da177e4SLinus Torvalds * opcode,type,reclaim,offset,length,new_lock_owner = 32 8731da177e4SLinus Torvalds * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 8741da177e4SLinus Torvalds */ 875cf8cdbe5SAndy Adamson static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) 8761da177e4SLinus Torvalds { 8778687b63aSAl Viro __be32 *p; 8781da177e4SLinus Torvalds 8791da177e4SLinus Torvalds RESERVE_SPACE(32); 8801da177e4SLinus Torvalds WRITE32(OP_LOCK); 881911d1aafSTrond Myklebust WRITE32(nfs4_lock_type(args->fl, args->block)); 882911d1aafSTrond Myklebust WRITE32(args->reclaim); 883911d1aafSTrond Myklebust WRITE64(args->fl->fl_start); 884911d1aafSTrond Myklebust WRITE64(nfs4_lock_length(args->fl)); 885911d1aafSTrond Myklebust WRITE32(args->new_lock_owner); 886911d1aafSTrond Myklebust if (args->new_lock_owner){ 8879f958ab8STrond Myklebust RESERVE_SPACE(4+NFS4_STATEID_SIZE+32); 888911d1aafSTrond Myklebust WRITE32(args->open_seqid->sequence->counter); 8898ae20abdSTrond Myklebust WRITEMEM(args->open_stateid->data, NFS4_STATEID_SIZE); 890911d1aafSTrond Myklebust WRITE32(args->lock_seqid->sequence->counter); 891911d1aafSTrond Myklebust WRITE64(args->lock_owner.clientid); 8929f958ab8STrond Myklebust WRITE32(16); 8939f958ab8STrond Myklebust WRITEMEM("lock id:", 8); 8949f958ab8STrond Myklebust WRITE64(args->lock_owner.id); 8951da177e4SLinus Torvalds } 8961da177e4SLinus Torvalds else { 8978ae20abdSTrond Myklebust RESERVE_SPACE(NFS4_STATEID_SIZE+4); 8988ae20abdSTrond Myklebust WRITEMEM(args->lock_stateid->data, NFS4_STATEID_SIZE); 899911d1aafSTrond Myklebust WRITE32(args->lock_seqid->sequence->counter); 9001da177e4SLinus Torvalds } 901d017931cSAndy Adamson hdr->nops++; 9021da177e4SLinus Torvalds } 9031da177e4SLinus Torvalds 904cf8cdbe5SAndy Adamson static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) 9051da177e4SLinus Torvalds { 9068687b63aSAl Viro __be32 *p; 9071da177e4SLinus Torvalds 9089f958ab8STrond Myklebust RESERVE_SPACE(52); 9091da177e4SLinus Torvalds WRITE32(OP_LOCKT); 910911d1aafSTrond Myklebust WRITE32(nfs4_lock_type(args->fl, 0)); 911911d1aafSTrond Myklebust WRITE64(args->fl->fl_start); 912911d1aafSTrond Myklebust WRITE64(nfs4_lock_length(args->fl)); 913911d1aafSTrond Myklebust WRITE64(args->lock_owner.clientid); 9149f958ab8STrond Myklebust WRITE32(16); 9159f958ab8STrond Myklebust WRITEMEM("lock id:", 8); 9169f958ab8STrond Myklebust WRITE64(args->lock_owner.id); 917d017931cSAndy Adamson hdr->nops++; 9181da177e4SLinus Torvalds } 9191da177e4SLinus Torvalds 920cf8cdbe5SAndy Adamson static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) 9211da177e4SLinus Torvalds { 9228687b63aSAl Viro __be32 *p; 9231da177e4SLinus Torvalds 9248ae20abdSTrond Myklebust RESERVE_SPACE(12+NFS4_STATEID_SIZE+16); 9251da177e4SLinus Torvalds WRITE32(OP_LOCKU); 926911d1aafSTrond Myklebust WRITE32(nfs4_lock_type(args->fl, 0)); 927911d1aafSTrond Myklebust WRITE32(args->seqid->sequence->counter); 9288ae20abdSTrond Myklebust WRITEMEM(args->stateid->data, NFS4_STATEID_SIZE); 929911d1aafSTrond Myklebust WRITE64(args->fl->fl_start); 930911d1aafSTrond Myklebust WRITE64(nfs4_lock_length(args->fl)); 931d017931cSAndy Adamson hdr->nops++; 9321da177e4SLinus Torvalds } 9331da177e4SLinus Torvalds 934cf8cdbe5SAndy Adamson static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) 9351da177e4SLinus Torvalds { 9361da177e4SLinus Torvalds int len = name->len; 9378687b63aSAl Viro __be32 *p; 9381da177e4SLinus Torvalds 9391da177e4SLinus Torvalds RESERVE_SPACE(8 + len); 9401da177e4SLinus Torvalds WRITE32(OP_LOOKUP); 9411da177e4SLinus Torvalds WRITE32(len); 9421da177e4SLinus Torvalds WRITEMEM(name->name, len); 943d017931cSAndy Adamson hdr->nops++; 9441da177e4SLinus Torvalds } 9451da177e4SLinus Torvalds 946dc0b027dSTrond Myklebust static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) 9471da177e4SLinus Torvalds { 9488687b63aSAl Viro __be32 *p; 9491da177e4SLinus Torvalds 9501da177e4SLinus Torvalds RESERVE_SPACE(8); 951dc0b027dSTrond Myklebust switch (fmode & (FMODE_READ|FMODE_WRITE)) { 9521da177e4SLinus Torvalds case FMODE_READ: 9531da177e4SLinus Torvalds WRITE32(NFS4_SHARE_ACCESS_READ); 9541da177e4SLinus Torvalds break; 9551da177e4SLinus Torvalds case FMODE_WRITE: 9561da177e4SLinus Torvalds WRITE32(NFS4_SHARE_ACCESS_WRITE); 9571da177e4SLinus Torvalds break; 9581da177e4SLinus Torvalds case FMODE_READ|FMODE_WRITE: 9591da177e4SLinus Torvalds WRITE32(NFS4_SHARE_ACCESS_BOTH); 9601da177e4SLinus Torvalds break; 9611da177e4SLinus Torvalds default: 962dc0b027dSTrond Myklebust WRITE32(0); 9631da177e4SLinus Torvalds } 9641da177e4SLinus Torvalds WRITE32(0); /* for linux, share_deny = 0 always */ 9651da177e4SLinus Torvalds } 9661da177e4SLinus Torvalds 9671da177e4SLinus Torvalds static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) 9681da177e4SLinus Torvalds { 9698687b63aSAl Viro __be32 *p; 9701da177e4SLinus Torvalds /* 9711da177e4SLinus Torvalds * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, 9721da177e4SLinus Torvalds * owner 4 = 32 9731da177e4SLinus Torvalds */ 9741da177e4SLinus Torvalds RESERVE_SPACE(8); 9751da177e4SLinus Torvalds WRITE32(OP_OPEN); 976cee54fc9STrond Myklebust WRITE32(arg->seqid->sequence->counter); 977dc0b027dSTrond Myklebust encode_share_access(xdr, arg->fmode); 9789f958ab8STrond Myklebust RESERVE_SPACE(28); 9791da177e4SLinus Torvalds WRITE64(arg->clientid); 9809f958ab8STrond Myklebust WRITE32(16); 9819f958ab8STrond Myklebust WRITEMEM("open id:", 8); 9829f958ab8STrond Myklebust WRITE64(arg->id); 9831da177e4SLinus Torvalds } 9841da177e4SLinus Torvalds 9851da177e4SLinus Torvalds static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) 9861da177e4SLinus Torvalds { 9878687b63aSAl Viro __be32 *p; 9881da177e4SLinus Torvalds 9891da177e4SLinus Torvalds RESERVE_SPACE(4); 9901da177e4SLinus Torvalds switch(arg->open_flags & O_EXCL) { 9911da177e4SLinus Torvalds case 0: 9921da177e4SLinus Torvalds WRITE32(NFS4_CREATE_UNCHECKED); 9931da177e4SLinus Torvalds encode_attrs(xdr, arg->u.attrs, arg->server); 9941da177e4SLinus Torvalds break; 9951da177e4SLinus Torvalds default: 9961da177e4SLinus Torvalds WRITE32(NFS4_CREATE_EXCLUSIVE); 9971da177e4SLinus Torvalds encode_nfs4_verifier(xdr, &arg->u.verifier); 9981da177e4SLinus Torvalds } 9991da177e4SLinus Torvalds } 10001da177e4SLinus Torvalds 10011da177e4SLinus Torvalds static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) 10021da177e4SLinus Torvalds { 10038687b63aSAl Viro __be32 *p; 10041da177e4SLinus Torvalds 10051da177e4SLinus Torvalds RESERVE_SPACE(4); 10061da177e4SLinus Torvalds switch (arg->open_flags & O_CREAT) { 10071da177e4SLinus Torvalds case 0: 10081da177e4SLinus Torvalds WRITE32(NFS4_OPEN_NOCREATE); 10091da177e4SLinus Torvalds break; 10101da177e4SLinus Torvalds default: 10111da177e4SLinus Torvalds BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); 10121da177e4SLinus Torvalds WRITE32(NFS4_OPEN_CREATE); 10131da177e4SLinus Torvalds encode_createmode(xdr, arg); 10141da177e4SLinus Torvalds } 10151da177e4SLinus Torvalds } 10161da177e4SLinus Torvalds 1017bd7bf9d5STrond Myklebust static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) 10181da177e4SLinus Torvalds { 10198687b63aSAl Viro __be32 *p; 10201da177e4SLinus Torvalds 10211da177e4SLinus Torvalds RESERVE_SPACE(4); 10221da177e4SLinus Torvalds switch (delegation_type) { 10231da177e4SLinus Torvalds case 0: 10241da177e4SLinus Torvalds WRITE32(NFS4_OPEN_DELEGATE_NONE); 10251da177e4SLinus Torvalds break; 10261da177e4SLinus Torvalds case FMODE_READ: 10271da177e4SLinus Torvalds WRITE32(NFS4_OPEN_DELEGATE_READ); 10281da177e4SLinus Torvalds break; 10291da177e4SLinus Torvalds case FMODE_WRITE|FMODE_READ: 10301da177e4SLinus Torvalds WRITE32(NFS4_OPEN_DELEGATE_WRITE); 10311da177e4SLinus Torvalds break; 10321da177e4SLinus Torvalds default: 10331da177e4SLinus Torvalds BUG(); 10341da177e4SLinus Torvalds } 10351da177e4SLinus Torvalds } 10361da177e4SLinus Torvalds 10371da177e4SLinus Torvalds static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) 10381da177e4SLinus Torvalds { 10398687b63aSAl Viro __be32 *p; 10401da177e4SLinus Torvalds 10411da177e4SLinus Torvalds RESERVE_SPACE(4); 10421da177e4SLinus Torvalds WRITE32(NFS4_OPEN_CLAIM_NULL); 10431da177e4SLinus Torvalds encode_string(xdr, name->len, name->name); 10441da177e4SLinus Torvalds } 10451da177e4SLinus Torvalds 1046bd7bf9d5STrond Myklebust static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) 10471da177e4SLinus Torvalds { 10488687b63aSAl Viro __be32 *p; 10491da177e4SLinus Torvalds 10501da177e4SLinus Torvalds RESERVE_SPACE(4); 10511da177e4SLinus Torvalds WRITE32(NFS4_OPEN_CLAIM_PREVIOUS); 10521da177e4SLinus Torvalds encode_delegation_type(xdr, type); 10531da177e4SLinus Torvalds } 10541da177e4SLinus Torvalds 10551da177e4SLinus Torvalds static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) 10561da177e4SLinus Torvalds { 10578687b63aSAl Viro __be32 *p; 10581da177e4SLinus Torvalds 10598ae20abdSTrond Myklebust RESERVE_SPACE(4+NFS4_STATEID_SIZE); 10601da177e4SLinus Torvalds WRITE32(NFS4_OPEN_CLAIM_DELEGATE_CUR); 10618ae20abdSTrond Myklebust WRITEMEM(stateid->data, NFS4_STATEID_SIZE); 10621da177e4SLinus Torvalds encode_string(xdr, name->len, name->name); 10631da177e4SLinus Torvalds } 10641da177e4SLinus Torvalds 1065cf8cdbe5SAndy Adamson static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) 10661da177e4SLinus Torvalds { 10671da177e4SLinus Torvalds encode_openhdr(xdr, arg); 10681da177e4SLinus Torvalds encode_opentype(xdr, arg); 10691da177e4SLinus Torvalds switch (arg->claim) { 10701da177e4SLinus Torvalds case NFS4_OPEN_CLAIM_NULL: 10711da177e4SLinus Torvalds encode_claim_null(xdr, arg->name); 10721da177e4SLinus Torvalds break; 10731da177e4SLinus Torvalds case NFS4_OPEN_CLAIM_PREVIOUS: 10741da177e4SLinus Torvalds encode_claim_previous(xdr, arg->u.delegation_type); 10751da177e4SLinus Torvalds break; 10761da177e4SLinus Torvalds case NFS4_OPEN_CLAIM_DELEGATE_CUR: 10771da177e4SLinus Torvalds encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); 10781da177e4SLinus Torvalds break; 10791da177e4SLinus Torvalds default: 10801da177e4SLinus Torvalds BUG(); 10811da177e4SLinus Torvalds } 1082d017931cSAndy Adamson hdr->nops++; 10831da177e4SLinus Torvalds } 10841da177e4SLinus Torvalds 1085cf8cdbe5SAndy Adamson static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) 10861da177e4SLinus Torvalds { 10878687b63aSAl Viro __be32 *p; 10881da177e4SLinus Torvalds 10898ae20abdSTrond Myklebust RESERVE_SPACE(4+NFS4_STATEID_SIZE+4); 10901da177e4SLinus Torvalds WRITE32(OP_OPEN_CONFIRM); 10918ae20abdSTrond Myklebust WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE); 1092cee54fc9STrond Myklebust WRITE32(arg->seqid->sequence->counter); 1093d017931cSAndy Adamson hdr->nops++; 10941da177e4SLinus Torvalds } 10951da177e4SLinus Torvalds 1096cf8cdbe5SAndy Adamson static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) 10971da177e4SLinus Torvalds { 10988687b63aSAl Viro __be32 *p; 10991da177e4SLinus Torvalds 11008ae20abdSTrond Myklebust RESERVE_SPACE(4+NFS4_STATEID_SIZE+4); 11011da177e4SLinus Torvalds WRITE32(OP_OPEN_DOWNGRADE); 11028ae20abdSTrond Myklebust WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE); 1103cee54fc9STrond Myklebust WRITE32(arg->seqid->sequence->counter); 1104dc0b027dSTrond Myklebust encode_share_access(xdr, arg->fmode); 1105d017931cSAndy Adamson hdr->nops++; 11061da177e4SLinus Torvalds } 11071da177e4SLinus Torvalds 1108cf8cdbe5SAndy Adamson static void 1109d017931cSAndy Adamson encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) 11101da177e4SLinus Torvalds { 11111da177e4SLinus Torvalds int len = fh->size; 11128687b63aSAl Viro __be32 *p; 11131da177e4SLinus Torvalds 11141da177e4SLinus Torvalds RESERVE_SPACE(8 + len); 11151da177e4SLinus Torvalds WRITE32(OP_PUTFH); 11161da177e4SLinus Torvalds WRITE32(len); 11171da177e4SLinus Torvalds WRITEMEM(fh->data, len); 1118d017931cSAndy Adamson hdr->nops++; 11191da177e4SLinus Torvalds } 11201da177e4SLinus Torvalds 1121cf8cdbe5SAndy Adamson static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) 11221da177e4SLinus Torvalds { 11238687b63aSAl Viro __be32 *p; 11241da177e4SLinus Torvalds 11251da177e4SLinus Torvalds RESERVE_SPACE(4); 11261da177e4SLinus Torvalds WRITE32(OP_PUTROOTFH); 1127d017931cSAndy Adamson hdr->nops++; 11281da177e4SLinus Torvalds } 11291da177e4SLinus Torvalds 11301da177e4SLinus Torvalds static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx) 11311da177e4SLinus Torvalds { 11321da177e4SLinus Torvalds nfs4_stateid stateid; 11338687b63aSAl Viro __be32 *p; 11341da177e4SLinus Torvalds 11358ae20abdSTrond Myklebust RESERVE_SPACE(NFS4_STATEID_SIZE); 11361da177e4SLinus Torvalds if (ctx->state != NULL) { 11371da177e4SLinus Torvalds nfs4_copy_stateid(&stateid, ctx->state, ctx->lockowner); 11388ae20abdSTrond Myklebust WRITEMEM(stateid.data, NFS4_STATEID_SIZE); 11391da177e4SLinus Torvalds } else 11408ae20abdSTrond Myklebust WRITEMEM(zero_stateid.data, NFS4_STATEID_SIZE); 11411da177e4SLinus Torvalds } 11421da177e4SLinus Torvalds 1143cf8cdbe5SAndy Adamson static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) 11441da177e4SLinus Torvalds { 11458687b63aSAl Viro __be32 *p; 11461da177e4SLinus Torvalds 11471da177e4SLinus Torvalds RESERVE_SPACE(4); 11481da177e4SLinus Torvalds WRITE32(OP_READ); 11491da177e4SLinus Torvalds 11501da177e4SLinus Torvalds encode_stateid(xdr, args->context); 11511da177e4SLinus Torvalds 11521da177e4SLinus Torvalds RESERVE_SPACE(12); 11531da177e4SLinus Torvalds WRITE64(args->offset); 11541da177e4SLinus Torvalds WRITE32(args->count); 1155d017931cSAndy Adamson hdr->nops++; 11561da177e4SLinus Torvalds } 11571da177e4SLinus Torvalds 1158cf8cdbe5SAndy Adamson static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) 11591da177e4SLinus Torvalds { 116097d312d0SManoj Naik uint32_t attrs[2] = { 116197d312d0SManoj Naik FATTR4_WORD0_RDATTR_ERROR|FATTR4_WORD0_FILEID, 116297d312d0SManoj Naik FATTR4_WORD1_MOUNTED_ON_FILEID, 116397d312d0SManoj Naik }; 11648687b63aSAl Viro __be32 *p; 11651da177e4SLinus Torvalds 11668ae20abdSTrond Myklebust RESERVE_SPACE(12+NFS4_VERIFIER_SIZE+20); 11671da177e4SLinus Torvalds WRITE32(OP_READDIR); 11681da177e4SLinus Torvalds WRITE64(readdir->cookie); 11698ae20abdSTrond Myklebust WRITEMEM(readdir->verifier.data, NFS4_VERIFIER_SIZE); 11701da177e4SLinus Torvalds WRITE32(readdir->count >> 1); /* We're not doing readdirplus */ 11711da177e4SLinus Torvalds WRITE32(readdir->count); 11721da177e4SLinus Torvalds WRITE32(2); 117397d312d0SManoj Naik /* Switch to mounted_on_fileid if the server supports it */ 117497d312d0SManoj Naik if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID) 117597d312d0SManoj Naik attrs[0] &= ~FATTR4_WORD0_FILEID; 117697d312d0SManoj Naik else 117797d312d0SManoj Naik attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; 117897d312d0SManoj Naik WRITE32(attrs[0] & readdir->bitmask[0]); 117997d312d0SManoj Naik WRITE32(attrs[1] & readdir->bitmask[1]); 1180d017931cSAndy Adamson hdr->nops++; 118144109241SFred Isaman dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", 118244109241SFred Isaman __func__, 1183eadf4598STrond Myklebust (unsigned long long)readdir->cookie, 1184eadf4598STrond Myklebust ((u32 *)readdir->verifier.data)[0], 1185eadf4598STrond Myklebust ((u32 *)readdir->verifier.data)[1], 1186eadf4598STrond Myklebust attrs[0] & readdir->bitmask[0], 1187eadf4598STrond Myklebust attrs[1] & readdir->bitmask[1]); 11881da177e4SLinus Torvalds } 11891da177e4SLinus Torvalds 1190cf8cdbe5SAndy Adamson static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) 11911da177e4SLinus Torvalds { 11928687b63aSAl Viro __be32 *p; 11931da177e4SLinus Torvalds 11941da177e4SLinus Torvalds RESERVE_SPACE(4); 11951da177e4SLinus Torvalds WRITE32(OP_READLINK); 1196d017931cSAndy Adamson hdr->nops++; 11971da177e4SLinus Torvalds } 11981da177e4SLinus Torvalds 1199cf8cdbe5SAndy Adamson static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) 12001da177e4SLinus Torvalds { 12018687b63aSAl Viro __be32 *p; 12021da177e4SLinus Torvalds 12031da177e4SLinus Torvalds RESERVE_SPACE(8 + name->len); 12041da177e4SLinus Torvalds WRITE32(OP_REMOVE); 12051da177e4SLinus Torvalds WRITE32(name->len); 12061da177e4SLinus Torvalds WRITEMEM(name->name, name->len); 1207d017931cSAndy Adamson hdr->nops++; 12081da177e4SLinus Torvalds } 12091da177e4SLinus Torvalds 1210cf8cdbe5SAndy Adamson static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) 12111da177e4SLinus Torvalds { 12128687b63aSAl Viro __be32 *p; 12131da177e4SLinus Torvalds 12141da177e4SLinus Torvalds RESERVE_SPACE(8 + oldname->len); 12151da177e4SLinus Torvalds WRITE32(OP_RENAME); 12161da177e4SLinus Torvalds WRITE32(oldname->len); 12171da177e4SLinus Torvalds WRITEMEM(oldname->name, oldname->len); 12181da177e4SLinus Torvalds 12191da177e4SLinus Torvalds RESERVE_SPACE(4 + newname->len); 12201da177e4SLinus Torvalds WRITE32(newname->len); 12211da177e4SLinus Torvalds WRITEMEM(newname->name, newname->len); 1222d017931cSAndy Adamson hdr->nops++; 12231da177e4SLinus Torvalds } 12241da177e4SLinus Torvalds 1225cf8cdbe5SAndy Adamson static void encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_stateid, struct compound_hdr *hdr) 12261da177e4SLinus Torvalds { 12278687b63aSAl Viro __be32 *p; 12281da177e4SLinus Torvalds 12291da177e4SLinus Torvalds RESERVE_SPACE(12); 12301da177e4SLinus Torvalds WRITE32(OP_RENEW); 12311da177e4SLinus Torvalds WRITE64(client_stateid->cl_clientid); 1232d017931cSAndy Adamson hdr->nops++; 12331da177e4SLinus Torvalds } 12341da177e4SLinus Torvalds 1235cf8cdbe5SAndy Adamson static void 1236d017931cSAndy Adamson encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) 123756ae19f3STrond Myklebust { 12388687b63aSAl Viro __be32 *p; 123956ae19f3STrond Myklebust 124056ae19f3STrond Myklebust RESERVE_SPACE(4); 124156ae19f3STrond Myklebust WRITE32(OP_RESTOREFH); 1242d017931cSAndy Adamson hdr->nops++; 124356ae19f3STrond Myklebust } 124456ae19f3STrond Myklebust 124556ae19f3STrond Myklebust static int 1246d017931cSAndy Adamson encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) 124723ec6965SJ. Bruce Fields { 12488687b63aSAl Viro __be32 *p; 124923ec6965SJ. Bruce Fields 12508ae20abdSTrond Myklebust RESERVE_SPACE(4+NFS4_STATEID_SIZE); 125123ec6965SJ. Bruce Fields WRITE32(OP_SETATTR); 12528ae20abdSTrond Myklebust WRITEMEM(zero_stateid.data, NFS4_STATEID_SIZE); 125323ec6965SJ. Bruce Fields RESERVE_SPACE(2*4); 125423ec6965SJ. Bruce Fields WRITE32(1); 125523ec6965SJ. Bruce Fields WRITE32(FATTR4_WORD0_ACL); 125623ec6965SJ. Bruce Fields if (arg->acl_len % 4) 125723ec6965SJ. Bruce Fields return -EINVAL; 125823ec6965SJ. Bruce Fields RESERVE_SPACE(4); 125923ec6965SJ. Bruce Fields WRITE32(arg->acl_len); 126023ec6965SJ. Bruce Fields xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); 1261d017931cSAndy Adamson hdr->nops++; 126223ec6965SJ. Bruce Fields return 0; 126323ec6965SJ. Bruce Fields } 126423ec6965SJ. Bruce Fields 1265cf8cdbe5SAndy Adamson static void 1266d017931cSAndy Adamson encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) 12671da177e4SLinus Torvalds { 12688687b63aSAl Viro __be32 *p; 12691da177e4SLinus Torvalds 12701da177e4SLinus Torvalds RESERVE_SPACE(4); 12711da177e4SLinus Torvalds WRITE32(OP_SAVEFH); 1272d017931cSAndy Adamson hdr->nops++; 12731da177e4SLinus Torvalds } 12741da177e4SLinus Torvalds 1275cf8cdbe5SAndy Adamson static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) 12761da177e4SLinus Torvalds { 12778687b63aSAl Viro __be32 *p; 12781da177e4SLinus Torvalds 12798ae20abdSTrond Myklebust RESERVE_SPACE(4+NFS4_STATEID_SIZE); 12801da177e4SLinus Torvalds WRITE32(OP_SETATTR); 12818ae20abdSTrond Myklebust WRITEMEM(arg->stateid.data, NFS4_STATEID_SIZE); 1282d017931cSAndy Adamson hdr->nops++; 1283cf8cdbe5SAndy Adamson encode_attrs(xdr, arg->iap, server); 12841da177e4SLinus Torvalds } 12851da177e4SLinus Torvalds 1286cf8cdbe5SAndy Adamson static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) 12871da177e4SLinus Torvalds { 12888687b63aSAl Viro __be32 *p; 12891da177e4SLinus Torvalds 12908ae20abdSTrond Myklebust RESERVE_SPACE(4 + NFS4_VERIFIER_SIZE); 12911da177e4SLinus Torvalds WRITE32(OP_SETCLIENTID); 12928ae20abdSTrond Myklebust WRITEMEM(setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE); 12931da177e4SLinus Torvalds 12941da177e4SLinus Torvalds encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); 12951da177e4SLinus Torvalds RESERVE_SPACE(4); 12961da177e4SLinus Torvalds WRITE32(setclientid->sc_prog); 12971da177e4SLinus Torvalds encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); 12981da177e4SLinus Torvalds encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); 12991da177e4SLinus Torvalds RESERVE_SPACE(4); 13001da177e4SLinus Torvalds WRITE32(setclientid->sc_cb_ident); 1301d017931cSAndy Adamson hdr->nops++; 13021da177e4SLinus Torvalds } 13031da177e4SLinus Torvalds 1304cf8cdbe5SAndy Adamson static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs_client *client_state, struct compound_hdr *hdr) 13051da177e4SLinus Torvalds { 13068687b63aSAl Viro __be32 *p; 13071da177e4SLinus Torvalds 13088ae20abdSTrond Myklebust RESERVE_SPACE(12 + NFS4_VERIFIER_SIZE); 13091da177e4SLinus Torvalds WRITE32(OP_SETCLIENTID_CONFIRM); 13101da177e4SLinus Torvalds WRITE64(client_state->cl_clientid); 13118ae20abdSTrond Myklebust WRITEMEM(client_state->cl_confirm.data, NFS4_VERIFIER_SIZE); 1312d017931cSAndy Adamson hdr->nops++; 13131da177e4SLinus Torvalds } 13141da177e4SLinus Torvalds 1315cf8cdbe5SAndy Adamson static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) 13161da177e4SLinus Torvalds { 13178687b63aSAl Viro __be32 *p; 13181da177e4SLinus Torvalds 13191da177e4SLinus Torvalds RESERVE_SPACE(4); 13201da177e4SLinus Torvalds WRITE32(OP_WRITE); 13211da177e4SLinus Torvalds 13221da177e4SLinus Torvalds encode_stateid(xdr, args->context); 13231da177e4SLinus Torvalds 13241da177e4SLinus Torvalds RESERVE_SPACE(16); 13251da177e4SLinus Torvalds WRITE64(args->offset); 13261da177e4SLinus Torvalds WRITE32(args->stable); 13271da177e4SLinus Torvalds WRITE32(args->count); 13281da177e4SLinus Torvalds 13291da177e4SLinus Torvalds xdr_write_pages(xdr, args->pages, args->pgbase, args->count); 1330d017931cSAndy Adamson hdr->nops++; 13311da177e4SLinus Torvalds } 13321da177e4SLinus Torvalds 1333cf8cdbe5SAndy Adamson static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) 13341da177e4SLinus Torvalds { 13358687b63aSAl Viro __be32 *p; 13361da177e4SLinus Torvalds 13378ae20abdSTrond Myklebust RESERVE_SPACE(4+NFS4_STATEID_SIZE); 13381da177e4SLinus Torvalds 13391da177e4SLinus Torvalds WRITE32(OP_DELEGRETURN); 13408ae20abdSTrond Myklebust WRITEMEM(stateid->data, NFS4_STATEID_SIZE); 1341d017931cSAndy Adamson hdr->nops++; 13421da177e4SLinus Torvalds } 13431da177e4SLinus Torvalds /* 13441da177e4SLinus Torvalds * END OF "GENERIC" ENCODE ROUTINES. 13451da177e4SLinus Torvalds */ 13461da177e4SLinus Torvalds 13471da177e4SLinus Torvalds /* 13481da177e4SLinus Torvalds * Encode an ACCESS request 13491da177e4SLinus Torvalds */ 13508687b63aSAl Viro static int nfs4_xdr_enc_access(struct rpc_rqst *req, __be32 *p, const struct nfs4_accessargs *args) 13511da177e4SLinus Torvalds { 13521da177e4SLinus Torvalds struct xdr_stream xdr; 13531da177e4SLinus Torvalds struct compound_hdr hdr = { 1354d017931cSAndy Adamson .nops = 0, 13551da177e4SLinus Torvalds }; 13561da177e4SLinus Torvalds 13571da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 13581da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1359cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1360cf8cdbe5SAndy Adamson encode_access(&xdr, args->access, &hdr); 1361cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1362d017931cSAndy Adamson encode_nops(&hdr); 1363cf8cdbe5SAndy Adamson return 0; 13641da177e4SLinus Torvalds } 13651da177e4SLinus Torvalds 13661da177e4SLinus Torvalds /* 13671da177e4SLinus Torvalds * Encode LOOKUP request 13681da177e4SLinus Torvalds */ 13698687b63aSAl Viro static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_arg *args) 13701da177e4SLinus Torvalds { 13711da177e4SLinus Torvalds struct xdr_stream xdr; 13721da177e4SLinus Torvalds struct compound_hdr hdr = { 1373d017931cSAndy Adamson .nops = 0, 13741da177e4SLinus Torvalds }; 13751da177e4SLinus Torvalds 13761da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 13771da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1378cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->dir_fh, &hdr); 1379cf8cdbe5SAndy Adamson encode_lookup(&xdr, args->name, &hdr); 1380cf8cdbe5SAndy Adamson encode_getfh(&xdr, &hdr); 1381cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1382d017931cSAndy Adamson encode_nops(&hdr); 1383cf8cdbe5SAndy Adamson return 0; 13841da177e4SLinus Torvalds } 13851da177e4SLinus Torvalds 13861da177e4SLinus Torvalds /* 13871da177e4SLinus Torvalds * Encode LOOKUP_ROOT request 13881da177e4SLinus Torvalds */ 13898687b63aSAl Viro static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_root_arg *args) 13901da177e4SLinus Torvalds { 13911da177e4SLinus Torvalds struct xdr_stream xdr; 13921da177e4SLinus Torvalds struct compound_hdr hdr = { 1393d017931cSAndy Adamson .nops = 0, 13941da177e4SLinus Torvalds }; 13951da177e4SLinus Torvalds 13961da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 13971da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1398cf8cdbe5SAndy Adamson encode_putrootfh(&xdr, &hdr); 1399cf8cdbe5SAndy Adamson encode_getfh(&xdr, &hdr); 1400cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1401d017931cSAndy Adamson encode_nops(&hdr); 1402cf8cdbe5SAndy Adamson return 0; 14031da177e4SLinus Torvalds } 14041da177e4SLinus Torvalds 14051da177e4SLinus Torvalds /* 14061da177e4SLinus Torvalds * Encode REMOVE request 14071da177e4SLinus Torvalds */ 14084fdc17b2STrond Myklebust static int nfs4_xdr_enc_remove(struct rpc_rqst *req, __be32 *p, const struct nfs_removeargs *args) 14091da177e4SLinus Torvalds { 14101da177e4SLinus Torvalds struct xdr_stream xdr; 14111da177e4SLinus Torvalds struct compound_hdr hdr = { 1412d017931cSAndy Adamson .nops = 0, 14131da177e4SLinus Torvalds }; 14141da177e4SLinus Torvalds 14151da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 14161da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1417cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1418cf8cdbe5SAndy Adamson encode_remove(&xdr, &args->name, &hdr); 1419cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1420d017931cSAndy Adamson encode_nops(&hdr); 1421cf8cdbe5SAndy Adamson return 0; 14221da177e4SLinus Torvalds } 14231da177e4SLinus Torvalds 14241da177e4SLinus Torvalds /* 14251da177e4SLinus Torvalds * Encode RENAME request 14261da177e4SLinus Torvalds */ 14278687b63aSAl Viro static int nfs4_xdr_enc_rename(struct rpc_rqst *req, __be32 *p, const struct nfs4_rename_arg *args) 14281da177e4SLinus Torvalds { 14291da177e4SLinus Torvalds struct xdr_stream xdr; 14301da177e4SLinus Torvalds struct compound_hdr hdr = { 1431d017931cSAndy Adamson .nops = 0, 14321da177e4SLinus Torvalds }; 14331da177e4SLinus Torvalds 14341da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 14351da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1436cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->old_dir, &hdr); 1437cf8cdbe5SAndy Adamson encode_savefh(&xdr, &hdr); 1438cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->new_dir, &hdr); 1439cf8cdbe5SAndy Adamson encode_rename(&xdr, args->old_name, args->new_name, &hdr); 1440cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1441cf8cdbe5SAndy Adamson encode_restorefh(&xdr, &hdr); 1442cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1443d017931cSAndy Adamson encode_nops(&hdr); 1444cf8cdbe5SAndy Adamson return 0; 14451da177e4SLinus Torvalds } 14461da177e4SLinus Torvalds 14471da177e4SLinus Torvalds /* 14481da177e4SLinus Torvalds * Encode LINK request 14491da177e4SLinus Torvalds */ 14508687b63aSAl Viro static int nfs4_xdr_enc_link(struct rpc_rqst *req, __be32 *p, const struct nfs4_link_arg *args) 14511da177e4SLinus Torvalds { 14521da177e4SLinus Torvalds struct xdr_stream xdr; 14531da177e4SLinus Torvalds struct compound_hdr hdr = { 1454d017931cSAndy Adamson .nops = 0, 14551da177e4SLinus Torvalds }; 14561da177e4SLinus Torvalds 14571da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 14581da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1459cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1460cf8cdbe5SAndy Adamson encode_savefh(&xdr, &hdr); 1461cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->dir_fh, &hdr); 1462cf8cdbe5SAndy Adamson encode_link(&xdr, args->name, &hdr); 1463cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1464cf8cdbe5SAndy Adamson encode_restorefh(&xdr, &hdr); 1465cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1466d017931cSAndy Adamson encode_nops(&hdr); 1467cf8cdbe5SAndy Adamson return 0; 14681da177e4SLinus Torvalds } 14691da177e4SLinus Torvalds 14701da177e4SLinus Torvalds /* 14711da177e4SLinus Torvalds * Encode CREATE request 14721da177e4SLinus Torvalds */ 14738687b63aSAl Viro static int nfs4_xdr_enc_create(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args) 14741da177e4SLinus Torvalds { 14751da177e4SLinus Torvalds struct xdr_stream xdr; 14761da177e4SLinus Torvalds struct compound_hdr hdr = { 1477d017931cSAndy Adamson .nops = 0, 14781da177e4SLinus Torvalds }; 14791da177e4SLinus Torvalds 14801da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 14811da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1482cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->dir_fh, &hdr); 1483cf8cdbe5SAndy Adamson encode_savefh(&xdr, &hdr); 1484cf8cdbe5SAndy Adamson encode_create(&xdr, args, &hdr); 1485cf8cdbe5SAndy Adamson encode_getfh(&xdr, &hdr); 1486cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1487cf8cdbe5SAndy Adamson encode_restorefh(&xdr, &hdr); 1488cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1489d017931cSAndy Adamson encode_nops(&hdr); 1490cf8cdbe5SAndy Adamson return 0; 14911da177e4SLinus Torvalds } 14921da177e4SLinus Torvalds 14931da177e4SLinus Torvalds /* 14941da177e4SLinus Torvalds * Encode SYMLINK request 14951da177e4SLinus Torvalds */ 14968687b63aSAl Viro static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args) 14971da177e4SLinus Torvalds { 14981da177e4SLinus Torvalds return nfs4_xdr_enc_create(req, p, args); 14991da177e4SLinus Torvalds } 15001da177e4SLinus Torvalds 15011da177e4SLinus Torvalds /* 15021da177e4SLinus Torvalds * Encode GETATTR request 15031da177e4SLinus Torvalds */ 15048687b63aSAl Viro static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, __be32 *p, const struct nfs4_getattr_arg *args) 15051da177e4SLinus Torvalds { 15061da177e4SLinus Torvalds struct xdr_stream xdr; 15071da177e4SLinus Torvalds struct compound_hdr hdr = { 1508d017931cSAndy Adamson .nops = 0, 15091da177e4SLinus Torvalds }; 15101da177e4SLinus Torvalds 15111da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 15121da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1513cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1514cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1515d017931cSAndy Adamson encode_nops(&hdr); 1516cf8cdbe5SAndy Adamson return 0; 15171da177e4SLinus Torvalds } 15181da177e4SLinus Torvalds 15191da177e4SLinus Torvalds /* 15201da177e4SLinus Torvalds * Encode a CLOSE request 15211da177e4SLinus Torvalds */ 15228687b63aSAl Viro static int nfs4_xdr_enc_close(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args) 15231da177e4SLinus Torvalds { 15241da177e4SLinus Torvalds struct xdr_stream xdr; 15251da177e4SLinus Torvalds struct compound_hdr hdr = { 1526d017931cSAndy Adamson .nops = 0, 15271da177e4SLinus Torvalds }; 15281da177e4SLinus Torvalds 15291da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 15301da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1531cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1532cf8cdbe5SAndy Adamson encode_close(&xdr, args, &hdr); 1533cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1534d017931cSAndy Adamson encode_nops(&hdr); 1535cf8cdbe5SAndy Adamson return 0; 15361da177e4SLinus Torvalds } 15371da177e4SLinus Torvalds 15381da177e4SLinus Torvalds /* 15391da177e4SLinus Torvalds * Encode an OPEN request 15401da177e4SLinus Torvalds */ 15418687b63aSAl Viro static int nfs4_xdr_enc_open(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args) 15421da177e4SLinus Torvalds { 15431da177e4SLinus Torvalds struct xdr_stream xdr; 15441da177e4SLinus Torvalds struct compound_hdr hdr = { 1545d017931cSAndy Adamson .nops = 0, 15461da177e4SLinus Torvalds }; 15471da177e4SLinus Torvalds 15481da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 15491da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1550cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1551cf8cdbe5SAndy Adamson encode_savefh(&xdr, &hdr); 1552cf8cdbe5SAndy Adamson encode_open(&xdr, args, &hdr); 1553cf8cdbe5SAndy Adamson encode_getfh(&xdr, &hdr); 1554cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1555cf8cdbe5SAndy Adamson encode_restorefh(&xdr, &hdr); 1556cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1557d017931cSAndy Adamson encode_nops(&hdr); 1558cf8cdbe5SAndy Adamson return 0; 15591da177e4SLinus Torvalds } 15601da177e4SLinus Torvalds 15611da177e4SLinus Torvalds /* 15621da177e4SLinus Torvalds * Encode an OPEN_CONFIRM request 15631da177e4SLinus Torvalds */ 15648687b63aSAl Viro static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_open_confirmargs *args) 15651da177e4SLinus Torvalds { 15661da177e4SLinus Torvalds struct xdr_stream xdr; 15671da177e4SLinus Torvalds struct compound_hdr hdr = { 1568d017931cSAndy Adamson .nops = 0, 15691da177e4SLinus Torvalds }; 15701da177e4SLinus Torvalds 15711da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 15721da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1573cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1574cf8cdbe5SAndy Adamson encode_open_confirm(&xdr, args, &hdr); 1575d017931cSAndy Adamson encode_nops(&hdr); 1576cf8cdbe5SAndy Adamson return 0; 15771da177e4SLinus Torvalds } 15781da177e4SLinus Torvalds 15791da177e4SLinus Torvalds /* 15801da177e4SLinus Torvalds * Encode an OPEN request with no attributes. 15811da177e4SLinus Torvalds */ 15828687b63aSAl Viro static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args) 15831da177e4SLinus Torvalds { 15841da177e4SLinus Torvalds struct xdr_stream xdr; 15851da177e4SLinus Torvalds struct compound_hdr hdr = { 1586d017931cSAndy Adamson .nops = 0, 15871da177e4SLinus Torvalds }; 15881da177e4SLinus Torvalds 15891da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 15901da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1591cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1592cf8cdbe5SAndy Adamson encode_open(&xdr, args, &hdr); 1593cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1594d017931cSAndy Adamson encode_nops(&hdr); 1595cf8cdbe5SAndy Adamson return 0; 15961da177e4SLinus Torvalds } 15971da177e4SLinus Torvalds 15981da177e4SLinus Torvalds /* 15991da177e4SLinus Torvalds * Encode an OPEN_DOWNGRADE request 16001da177e4SLinus Torvalds */ 16018687b63aSAl Viro static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args) 16021da177e4SLinus Torvalds { 16031da177e4SLinus Torvalds struct xdr_stream xdr; 16041da177e4SLinus Torvalds struct compound_hdr hdr = { 1605d017931cSAndy Adamson .nops = 0, 16061da177e4SLinus Torvalds }; 16071da177e4SLinus Torvalds 16081da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 16091da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1610cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1611cf8cdbe5SAndy Adamson encode_open_downgrade(&xdr, args, &hdr); 1612cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1613d017931cSAndy Adamson encode_nops(&hdr); 1614cf8cdbe5SAndy Adamson return 0; 16151da177e4SLinus Torvalds } 16161da177e4SLinus Torvalds 16171da177e4SLinus Torvalds /* 16181da177e4SLinus Torvalds * Encode a LOCK request 16191da177e4SLinus Torvalds */ 16208687b63aSAl Viro static int nfs4_xdr_enc_lock(struct rpc_rqst *req, __be32 *p, struct nfs_lock_args *args) 16211da177e4SLinus Torvalds { 16221da177e4SLinus Torvalds struct xdr_stream xdr; 16231da177e4SLinus Torvalds struct compound_hdr hdr = { 1624d017931cSAndy Adamson .nops = 0, 16251da177e4SLinus Torvalds }; 16261da177e4SLinus Torvalds 16271da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 16281da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1629cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1630cf8cdbe5SAndy Adamson encode_lock(&xdr, args, &hdr); 1631d017931cSAndy Adamson encode_nops(&hdr); 1632cf8cdbe5SAndy Adamson return 0; 16331da177e4SLinus Torvalds } 16341da177e4SLinus Torvalds 16351da177e4SLinus Torvalds /* 16361da177e4SLinus Torvalds * Encode a LOCKT request 16371da177e4SLinus Torvalds */ 16388687b63aSAl Viro static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, __be32 *p, struct nfs_lockt_args *args) 16391da177e4SLinus Torvalds { 16401da177e4SLinus Torvalds struct xdr_stream xdr; 16411da177e4SLinus Torvalds struct compound_hdr hdr = { 1642d017931cSAndy Adamson .nops = 0, 16431da177e4SLinus Torvalds }; 16441da177e4SLinus Torvalds 16451da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 16461da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1647cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1648cf8cdbe5SAndy Adamson encode_lockt(&xdr, args, &hdr); 1649d017931cSAndy Adamson encode_nops(&hdr); 1650cf8cdbe5SAndy Adamson return 0; 16511da177e4SLinus Torvalds } 16521da177e4SLinus Torvalds 16531da177e4SLinus Torvalds /* 16541da177e4SLinus Torvalds * Encode a LOCKU request 16551da177e4SLinus Torvalds */ 16568687b63aSAl Viro static int nfs4_xdr_enc_locku(struct rpc_rqst *req, __be32 *p, struct nfs_locku_args *args) 16571da177e4SLinus Torvalds { 16581da177e4SLinus Torvalds struct xdr_stream xdr; 16591da177e4SLinus Torvalds struct compound_hdr hdr = { 1660d017931cSAndy Adamson .nops = 0, 16611da177e4SLinus Torvalds }; 16621da177e4SLinus Torvalds 16631da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 16641da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1665cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1666cf8cdbe5SAndy Adamson encode_locku(&xdr, args, &hdr); 1667d017931cSAndy Adamson encode_nops(&hdr); 1668cf8cdbe5SAndy Adamson return 0; 16691da177e4SLinus Torvalds } 16701da177e4SLinus Torvalds 16711da177e4SLinus Torvalds /* 16721da177e4SLinus Torvalds * Encode a READLINK request 16731da177e4SLinus Torvalds */ 16748687b63aSAl Viro static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_readlink *args) 16751da177e4SLinus Torvalds { 16761da177e4SLinus Torvalds struct xdr_stream xdr; 16771da177e4SLinus Torvalds struct compound_hdr hdr = { 1678d017931cSAndy Adamson .nops = 0, 16791da177e4SLinus Torvalds }; 1680e3a535e1STrond Myklebust struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; 1681e3a535e1STrond Myklebust unsigned int replen; 16821da177e4SLinus Torvalds 16831da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 16841da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1685cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1686cf8cdbe5SAndy Adamson encode_readlink(&xdr, args, req, &hdr); 1687e3a535e1STrond Myklebust 1688e3a535e1STrond Myklebust /* set up reply kvec 1689e3a535e1STrond Myklebust * toplevel_status + taglen + rescount + OP_PUTFH + status 1690e3a535e1STrond Myklebust * + OP_READLINK + status + string length = 8 1691e3a535e1STrond Myklebust */ 1692e3a535e1STrond Myklebust replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_readlink_sz) << 2; 1693e3a535e1STrond Myklebust xdr_inline_pages(&req->rq_rcv_buf, replen, args->pages, 1694e3a535e1STrond Myklebust args->pgbase, args->pglen); 1695d017931cSAndy Adamson encode_nops(&hdr); 1696cf8cdbe5SAndy Adamson return 0; 16971da177e4SLinus Torvalds } 16981da177e4SLinus Torvalds 16991da177e4SLinus Torvalds /* 17001da177e4SLinus Torvalds * Encode a READDIR request 17011da177e4SLinus Torvalds */ 17028687b63aSAl Viro static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, __be32 *p, const struct nfs4_readdir_arg *args) 17031da177e4SLinus Torvalds { 17041da177e4SLinus Torvalds struct xdr_stream xdr; 17051da177e4SLinus Torvalds struct compound_hdr hdr = { 1706d017931cSAndy Adamson .nops = 0, 17071da177e4SLinus Torvalds }; 1708d6ac02dfSTrond Myklebust struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; 1709d6ac02dfSTrond Myklebust int replen; 17101da177e4SLinus Torvalds 17111da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 17121da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1713cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1714cf8cdbe5SAndy Adamson encode_readdir(&xdr, args, req, &hdr); 1715d6ac02dfSTrond Myklebust 1716d6ac02dfSTrond Myklebust /* set up reply kvec 1717d6ac02dfSTrond Myklebust * toplevel_status + taglen + rescount + OP_PUTFH + status 1718d6ac02dfSTrond Myklebust * + OP_READDIR + status + verifer(2) = 9 1719d6ac02dfSTrond Myklebust */ 1720d6ac02dfSTrond Myklebust replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_readdir_sz) << 2; 1721d6ac02dfSTrond Myklebust xdr_inline_pages(&req->rq_rcv_buf, replen, args->pages, 1722d6ac02dfSTrond Myklebust args->pgbase, args->count); 1723d6ac02dfSTrond Myklebust dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", 17243110ff80SHarvey Harrison __func__, replen, args->pages, 1725d6ac02dfSTrond Myklebust args->pgbase, args->count); 1726d017931cSAndy Adamson encode_nops(&hdr); 1727cf8cdbe5SAndy Adamson return 0; 17281da177e4SLinus Torvalds } 17291da177e4SLinus Torvalds 17301da177e4SLinus Torvalds /* 17311da177e4SLinus Torvalds * Encode a READ request 17321da177e4SLinus Torvalds */ 17338687b63aSAl Viro static int nfs4_xdr_enc_read(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args) 17341da177e4SLinus Torvalds { 17351be27f36STrond Myklebust struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; 17361da177e4SLinus Torvalds struct xdr_stream xdr; 17371da177e4SLinus Torvalds struct compound_hdr hdr = { 1738d017931cSAndy Adamson .nops = 0, 17391da177e4SLinus Torvalds }; 1740cf8cdbe5SAndy Adamson int replen; 17411da177e4SLinus Torvalds 17421da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 17431da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1744cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1745cf8cdbe5SAndy Adamson encode_read(&xdr, args, &hdr); 17461da177e4SLinus Torvalds 17471da177e4SLinus Torvalds /* set up reply kvec 17481da177e4SLinus Torvalds * toplevel status + taglen=0 + rescount + OP_PUTFH + status 17491da177e4SLinus Torvalds * + OP_READ + status + eof + datalen = 9 17501da177e4SLinus Torvalds */ 17511da177e4SLinus Torvalds replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_read_sz) << 2; 17521da177e4SLinus Torvalds xdr_inline_pages(&req->rq_rcv_buf, replen, 17531da177e4SLinus Torvalds args->pages, args->pgbase, args->count); 17544f22ccc3S\"Talpey, Thomas\ req->rq_rcv_buf.flags |= XDRBUF_READ; 1755d017931cSAndy Adamson encode_nops(&hdr); 1756cf8cdbe5SAndy Adamson return 0; 17571da177e4SLinus Torvalds } 17581da177e4SLinus Torvalds 17591da177e4SLinus Torvalds /* 17601da177e4SLinus Torvalds * Encode an SETATTR request 17611da177e4SLinus Torvalds */ 17628687b63aSAl Viro static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, __be32 *p, struct nfs_setattrargs *args) 17631da177e4SLinus Torvalds { 17641da177e4SLinus Torvalds struct xdr_stream xdr; 17651da177e4SLinus Torvalds struct compound_hdr hdr = { 1766d017931cSAndy Adamson .nops = 0, 17671da177e4SLinus Torvalds }; 17681da177e4SLinus Torvalds 17691da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 17701da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1771cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1772cf8cdbe5SAndy Adamson encode_setattr(&xdr, args, args->server, &hdr); 1773cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1774d017931cSAndy Adamson encode_nops(&hdr); 1775cf8cdbe5SAndy Adamson return 0; 17761da177e4SLinus Torvalds } 17771da177e4SLinus Torvalds 17781da177e4SLinus Torvalds /* 1779029d105eSJ. Bruce Fields * Encode a GETACL request 1780029d105eSJ. Bruce Fields */ 1781029d105eSJ. Bruce Fields static int 17828687b63aSAl Viro nfs4_xdr_enc_getacl(struct rpc_rqst *req, __be32 *p, 1783029d105eSJ. Bruce Fields struct nfs_getaclargs *args) 1784029d105eSJ. Bruce Fields { 1785029d105eSJ. Bruce Fields struct xdr_stream xdr; 17861be27f36STrond Myklebust struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; 1787029d105eSJ. Bruce Fields struct compound_hdr hdr = { 1788d017931cSAndy Adamson .nops = 0, 1789029d105eSJ. Bruce Fields }; 1790cf8cdbe5SAndy Adamson int replen; 1791029d105eSJ. Bruce Fields 1792029d105eSJ. Bruce Fields xdr_init_encode(&xdr, &req->rq_snd_buf, p); 1793029d105eSJ. Bruce Fields encode_compound_hdr(&xdr, &hdr); 1794cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1795cf8cdbe5SAndy Adamson encode_getattr_two(&xdr, FATTR4_WORD0_ACL, 0, &hdr); 1796cf8cdbe5SAndy Adamson 1797029d105eSJ. Bruce Fields /* set up reply buffer: */ 1798029d105eSJ. Bruce Fields replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_getacl_sz) << 2; 1799029d105eSJ. Bruce Fields xdr_inline_pages(&req->rq_rcv_buf, replen, 1800029d105eSJ. Bruce Fields args->acl_pages, args->acl_pgbase, args->acl_len); 1801d017931cSAndy Adamson encode_nops(&hdr); 1802cf8cdbe5SAndy Adamson return 0; 1803029d105eSJ. Bruce Fields } 1804029d105eSJ. Bruce Fields 1805029d105eSJ. Bruce Fields /* 18061da177e4SLinus Torvalds * Encode a WRITE request 18071da177e4SLinus Torvalds */ 18088687b63aSAl Viro static int nfs4_xdr_enc_write(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) 18091da177e4SLinus Torvalds { 18101da177e4SLinus Torvalds struct xdr_stream xdr; 18111da177e4SLinus Torvalds struct compound_hdr hdr = { 1812d017931cSAndy Adamson .nops = 0, 18131da177e4SLinus Torvalds }; 18141da177e4SLinus Torvalds 18151da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 18161da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1817cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1818cf8cdbe5SAndy Adamson encode_write(&xdr, args, &hdr); 18194f22ccc3S\"Talpey, Thomas\ req->rq_snd_buf.flags |= XDRBUF_WRITE; 1820cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1821d017931cSAndy Adamson encode_nops(&hdr); 1822cf8cdbe5SAndy Adamson return 0; 18231da177e4SLinus Torvalds } 18241da177e4SLinus Torvalds 18251da177e4SLinus Torvalds /* 18261da177e4SLinus Torvalds * a COMMIT request 18271da177e4SLinus Torvalds */ 18288687b63aSAl Viro static int nfs4_xdr_enc_commit(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) 18291da177e4SLinus Torvalds { 18301da177e4SLinus Torvalds struct xdr_stream xdr; 18311da177e4SLinus Torvalds struct compound_hdr hdr = { 1832d017931cSAndy Adamson .nops = 0, 18331da177e4SLinus Torvalds }; 18341da177e4SLinus Torvalds 18351da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 18361da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1837cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1838cf8cdbe5SAndy Adamson encode_commit(&xdr, args, &hdr); 1839cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1840d017931cSAndy Adamson encode_nops(&hdr); 1841cf8cdbe5SAndy Adamson return 0; 18421da177e4SLinus Torvalds } 18431da177e4SLinus Torvalds 18441da177e4SLinus Torvalds /* 18451da177e4SLinus Torvalds * FSINFO request 18461da177e4SLinus Torvalds */ 18478687b63aSAl Viro static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs4_fsinfo_arg *args) 18481da177e4SLinus Torvalds { 18491da177e4SLinus Torvalds struct xdr_stream xdr; 18501da177e4SLinus Torvalds struct compound_hdr hdr = { 1851d017931cSAndy Adamson .nops = 0, 18521da177e4SLinus Torvalds }; 18531da177e4SLinus Torvalds 18541da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 18551da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1856cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1857cf8cdbe5SAndy Adamson encode_fsinfo(&xdr, args->bitmask, &hdr); 1858d017931cSAndy Adamson encode_nops(&hdr); 1859cf8cdbe5SAndy Adamson return 0; 18601da177e4SLinus Torvalds } 18611da177e4SLinus Torvalds 18621da177e4SLinus Torvalds /* 18631da177e4SLinus Torvalds * a PATHCONF request 18641da177e4SLinus Torvalds */ 18658687b63aSAl Viro static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, __be32 *p, const struct nfs4_pathconf_arg *args) 18661da177e4SLinus Torvalds { 18671da177e4SLinus Torvalds struct xdr_stream xdr; 18681da177e4SLinus Torvalds struct compound_hdr hdr = { 1869d017931cSAndy Adamson .nops = 0, 18701da177e4SLinus Torvalds }; 18711da177e4SLinus Torvalds 18721da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 18731da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1874cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1875cf8cdbe5SAndy Adamson encode_getattr_one(&xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], 1876d017931cSAndy Adamson &hdr); 1877d017931cSAndy Adamson encode_nops(&hdr); 1878cf8cdbe5SAndy Adamson return 0; 18791da177e4SLinus Torvalds } 18801da177e4SLinus Torvalds 18811da177e4SLinus Torvalds /* 18821da177e4SLinus Torvalds * a STATFS request 18831da177e4SLinus Torvalds */ 18848687b63aSAl Viro static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, __be32 *p, const struct nfs4_statfs_arg *args) 18851da177e4SLinus Torvalds { 18861da177e4SLinus Torvalds struct xdr_stream xdr; 18871da177e4SLinus Torvalds struct compound_hdr hdr = { 1888d017931cSAndy Adamson .nops = 0, 18891da177e4SLinus Torvalds }; 18901da177e4SLinus Torvalds 18911da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 18921da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1893cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 1894cf8cdbe5SAndy Adamson encode_getattr_two(&xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], 1895d017931cSAndy Adamson args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); 1896d017931cSAndy Adamson encode_nops(&hdr); 1897cf8cdbe5SAndy Adamson return 0; 18981da177e4SLinus Torvalds } 18991da177e4SLinus Torvalds 19001da177e4SLinus Torvalds /* 19011da177e4SLinus Torvalds * GETATTR_BITMAP request 19021da177e4SLinus Torvalds */ 19038687b63aSAl Viro static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, __be32 *p, const struct nfs_fh *fhandle) 19041da177e4SLinus Torvalds { 19051da177e4SLinus Torvalds struct xdr_stream xdr; 19061da177e4SLinus Torvalds struct compound_hdr hdr = { 1907d017931cSAndy Adamson .nops = 0, 19081da177e4SLinus Torvalds }; 19091da177e4SLinus Torvalds 19101da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 19111da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1912cf8cdbe5SAndy Adamson encode_putfh(&xdr, fhandle, &hdr); 1913cf8cdbe5SAndy Adamson encode_getattr_one(&xdr, FATTR4_WORD0_SUPPORTED_ATTRS| 19141da177e4SLinus Torvalds FATTR4_WORD0_LINK_SUPPORT| 19151da177e4SLinus Torvalds FATTR4_WORD0_SYMLINK_SUPPORT| 1916d017931cSAndy Adamson FATTR4_WORD0_ACLSUPPORT, &hdr); 1917d017931cSAndy Adamson encode_nops(&hdr); 1918cf8cdbe5SAndy Adamson return 0; 19191da177e4SLinus Torvalds } 19201da177e4SLinus Torvalds 19211da177e4SLinus Torvalds /* 19221da177e4SLinus Torvalds * a RENEW request 19231da177e4SLinus Torvalds */ 19248687b63aSAl Viro static int nfs4_xdr_enc_renew(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp) 19251da177e4SLinus Torvalds { 19261da177e4SLinus Torvalds struct xdr_stream xdr; 19271da177e4SLinus Torvalds struct compound_hdr hdr = { 1928d017931cSAndy Adamson .nops = 0, 19291da177e4SLinus Torvalds }; 19301da177e4SLinus Torvalds 19311da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 19321da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1933cf8cdbe5SAndy Adamson encode_renew(&xdr, clp, &hdr); 1934d017931cSAndy Adamson encode_nops(&hdr); 1935cf8cdbe5SAndy Adamson return 0; 19361da177e4SLinus Torvalds } 19371da177e4SLinus Torvalds 19381da177e4SLinus Torvalds /* 19391da177e4SLinus Torvalds * a SETCLIENTID request 19401da177e4SLinus Torvalds */ 19418687b63aSAl Viro static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, __be32 *p, struct nfs4_setclientid *sc) 19421da177e4SLinus Torvalds { 19431da177e4SLinus Torvalds struct xdr_stream xdr; 19441da177e4SLinus Torvalds struct compound_hdr hdr = { 1945d017931cSAndy Adamson .nops = 0, 19461da177e4SLinus Torvalds }; 19471da177e4SLinus Torvalds 19481da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 19491da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1950cf8cdbe5SAndy Adamson encode_setclientid(&xdr, sc, &hdr); 1951d017931cSAndy Adamson encode_nops(&hdr); 1952cf8cdbe5SAndy Adamson return 0; 19531da177e4SLinus Torvalds } 19541da177e4SLinus Torvalds 19551da177e4SLinus Torvalds /* 19561da177e4SLinus Torvalds * a SETCLIENTID_CONFIRM request 19571da177e4SLinus Torvalds */ 19588687b63aSAl Viro static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp) 19591da177e4SLinus Torvalds { 19601da177e4SLinus Torvalds struct xdr_stream xdr; 19611da177e4SLinus Torvalds struct compound_hdr hdr = { 1962d017931cSAndy Adamson .nops = 0, 19631da177e4SLinus Torvalds }; 19641da177e4SLinus Torvalds const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; 19651da177e4SLinus Torvalds 19661da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 19671da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1968cf8cdbe5SAndy Adamson encode_setclientid_confirm(&xdr, clp, &hdr); 1969cf8cdbe5SAndy Adamson encode_putrootfh(&xdr, &hdr); 1970cf8cdbe5SAndy Adamson encode_fsinfo(&xdr, lease_bitmap, &hdr); 1971d017931cSAndy Adamson encode_nops(&hdr); 1972cf8cdbe5SAndy Adamson return 0; 19731da177e4SLinus Torvalds } 19741da177e4SLinus Torvalds 19751da177e4SLinus Torvalds /* 19761da177e4SLinus Torvalds * DELEGRETURN request 19771da177e4SLinus Torvalds */ 19788687b63aSAl Viro static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, __be32 *p, const struct nfs4_delegreturnargs *args) 19791da177e4SLinus Torvalds { 19801da177e4SLinus Torvalds struct xdr_stream xdr; 19811da177e4SLinus Torvalds struct compound_hdr hdr = { 1982d017931cSAndy Adamson .nops = 0, 19831da177e4SLinus Torvalds }; 19841da177e4SLinus Torvalds 19851da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 19861da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 1987cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fhandle, &hdr); 1988cf8cdbe5SAndy Adamson encode_delegreturn(&xdr, args->stateid, &hdr); 1989cf8cdbe5SAndy Adamson encode_getfattr(&xdr, args->bitmask, &hdr); 1990d017931cSAndy Adamson encode_nops(&hdr); 1991cf8cdbe5SAndy Adamson return 0; 19921da177e4SLinus Torvalds } 19931da177e4SLinus Torvalds 19941da177e4SLinus Torvalds /* 1995683b57b4STrond Myklebust * Encode FS_LOCATIONS request 1996683b57b4STrond Myklebust */ 19978687b63aSAl Viro static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs4_fs_locations_arg *args) 1998683b57b4STrond Myklebust { 1999683b57b4STrond Myklebust struct xdr_stream xdr; 2000683b57b4STrond Myklebust struct compound_hdr hdr = { 2001d017931cSAndy Adamson .nops = 0, 2002683b57b4STrond Myklebust }; 20031be27f36STrond Myklebust struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; 2004683b57b4STrond Myklebust int replen; 2005683b57b4STrond Myklebust 2006683b57b4STrond Myklebust xdr_init_encode(&xdr, &req->rq_snd_buf, p); 2007683b57b4STrond Myklebust encode_compound_hdr(&xdr, &hdr); 2008cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->dir_fh, &hdr); 2009cf8cdbe5SAndy Adamson encode_lookup(&xdr, args->name, &hdr); 2010cf8cdbe5SAndy Adamson encode_fs_locations(&xdr, args->bitmask, &hdr); 2011cf8cdbe5SAndy Adamson 2012683b57b4STrond Myklebust /* set up reply 2013830b8e33SManoj Naik * toplevel_status + OP_PUTFH + status 2014683b57b4STrond Myklebust * + OP_LOOKUP + status + OP_GETATTR + status = 7 2015683b57b4STrond Myklebust */ 2016683b57b4STrond Myklebust replen = (RPC_REPHDRSIZE + auth->au_rslack + 7) << 2; 2017683b57b4STrond Myklebust xdr_inline_pages(&req->rq_rcv_buf, replen, &args->page, 2018683b57b4STrond Myklebust 0, PAGE_SIZE); 2019d017931cSAndy Adamson encode_nops(&hdr); 2020cf8cdbe5SAndy Adamson return 0; 2021683b57b4STrond Myklebust } 2022683b57b4STrond Myklebust 2023683b57b4STrond Myklebust /* 20241da177e4SLinus Torvalds * START OF "GENERIC" DECODE ROUTINES. 20251da177e4SLinus Torvalds * These may look a little ugly since they are imported from a "generic" 20261da177e4SLinus Torvalds * set of XDR encode/decode routines which are intended to be shared by 20271da177e4SLinus Torvalds * all of our NFSv4 implementations (OpenBSD, MacOS X...). 20281da177e4SLinus Torvalds * 20291da177e4SLinus Torvalds * If the pain of reading these is too great, it should be a straightforward 20301da177e4SLinus Torvalds * task to translate them into Linux-specific versions which are more 20311da177e4SLinus Torvalds * consistent with the style used in NFSv2/v3... 20321da177e4SLinus Torvalds */ 20331da177e4SLinus Torvalds #define READ32(x) (x) = ntohl(*p++) 20341da177e4SLinus Torvalds #define READ64(x) do { \ 20351da177e4SLinus Torvalds (x) = (u64)ntohl(*p++) << 32; \ 20361da177e4SLinus Torvalds (x) |= ntohl(*p++); \ 20371da177e4SLinus Torvalds } while (0) 20381da177e4SLinus Torvalds #define READTIME(x) do { \ 20391da177e4SLinus Torvalds p++; \ 20401da177e4SLinus Torvalds (x.tv_sec) = ntohl(*p++); \ 20411da177e4SLinus Torvalds (x.tv_nsec) = ntohl(*p++); \ 20421da177e4SLinus Torvalds } while (0) 20431da177e4SLinus Torvalds #define COPYMEM(x,nbytes) do { \ 20441da177e4SLinus Torvalds memcpy((x), p, nbytes); \ 20451da177e4SLinus Torvalds p += XDR_QUADLEN(nbytes); \ 20461da177e4SLinus Torvalds } while (0) 20471da177e4SLinus Torvalds 20481da177e4SLinus Torvalds #define READ_BUF(nbytes) do { \ 20491da177e4SLinus Torvalds p = xdr_inline_decode(xdr, nbytes); \ 2050e4cc6ee2SChuck Lever if (unlikely(!p)) { \ 2051fe82a183SChuck Lever dprintk("nfs: %s: prematurely hit end of receive" \ 20523110ff80SHarvey Harrison " buffer\n", __func__); \ 2053fe82a183SChuck Lever dprintk("nfs: %s: xdr->p=%p, bytes=%u, xdr->end=%p\n", \ 20543110ff80SHarvey Harrison __func__, xdr->p, nbytes, xdr->end); \ 20551da177e4SLinus Torvalds return -EIO; \ 20561da177e4SLinus Torvalds } \ 20571da177e4SLinus Torvalds } while (0) 20581da177e4SLinus Torvalds 2059683b57b4STrond Myklebust static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) 20601da177e4SLinus Torvalds { 20618687b63aSAl Viro __be32 *p; 20621da177e4SLinus Torvalds 20631da177e4SLinus Torvalds READ_BUF(4); 20641da177e4SLinus Torvalds READ32(*len); 20651da177e4SLinus Torvalds READ_BUF(*len); 20661da177e4SLinus Torvalds *string = (char *)p; 20671da177e4SLinus Torvalds return 0; 20681da177e4SLinus Torvalds } 20691da177e4SLinus Torvalds 20701da177e4SLinus Torvalds static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) 20711da177e4SLinus Torvalds { 20728687b63aSAl Viro __be32 *p; 20731da177e4SLinus Torvalds 20741da177e4SLinus Torvalds READ_BUF(8); 20751da177e4SLinus Torvalds READ32(hdr->status); 20761da177e4SLinus Torvalds READ32(hdr->taglen); 20771da177e4SLinus Torvalds 20781da177e4SLinus Torvalds READ_BUF(hdr->taglen + 4); 20791da177e4SLinus Torvalds hdr->tag = (char *)p; 20801da177e4SLinus Torvalds p += XDR_QUADLEN(hdr->taglen); 20811da177e4SLinus Torvalds READ32(hdr->nops); 2082aadf6152SBenny Halevy if (unlikely(hdr->nops < 1)) 2083aadf6152SBenny Halevy return nfs4_stat_to_errno(hdr->status); 20841da177e4SLinus Torvalds return 0; 20851da177e4SLinus Torvalds } 20861da177e4SLinus Torvalds 20871da177e4SLinus Torvalds static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) 20881da177e4SLinus Torvalds { 20898687b63aSAl Viro __be32 *p; 20901da177e4SLinus Torvalds uint32_t opnum; 20911da177e4SLinus Torvalds int32_t nfserr; 20921da177e4SLinus Torvalds 20931da177e4SLinus Torvalds READ_BUF(8); 20941da177e4SLinus Torvalds READ32(opnum); 20951da177e4SLinus Torvalds if (opnum != expected) { 2096fe82a183SChuck Lever dprintk("nfs: Server returned operation" 20971da177e4SLinus Torvalds " %d but we issued a request for %d\n", 20981da177e4SLinus Torvalds opnum, expected); 20991da177e4SLinus Torvalds return -EIO; 21001da177e4SLinus Torvalds } 21011da177e4SLinus Torvalds READ32(nfserr); 21021da177e4SLinus Torvalds if (nfserr != NFS_OK) 2103856dff3dSBenny Halevy return nfs4_stat_to_errno(nfserr); 21041da177e4SLinus Torvalds return 0; 21051da177e4SLinus Torvalds } 21061da177e4SLinus Torvalds 21071da177e4SLinus Torvalds /* Dummy routine */ 2108adfa6f98SDavid Howells static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) 21091da177e4SLinus Torvalds { 21108687b63aSAl Viro __be32 *p; 2111683b57b4STrond Myklebust unsigned int strlen; 21121da177e4SLinus Torvalds char *str; 21131da177e4SLinus Torvalds 21141da177e4SLinus Torvalds READ_BUF(12); 21151da177e4SLinus Torvalds return decode_opaque_inline(xdr, &strlen, &str); 21161da177e4SLinus Torvalds } 21171da177e4SLinus Torvalds 21181da177e4SLinus Torvalds static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) 21191da177e4SLinus Torvalds { 21208687b63aSAl Viro uint32_t bmlen; 21218687b63aSAl Viro __be32 *p; 21221da177e4SLinus Torvalds 21231da177e4SLinus Torvalds READ_BUF(4); 21241da177e4SLinus Torvalds READ32(bmlen); 21251da177e4SLinus Torvalds 21261da177e4SLinus Torvalds bitmap[0] = bitmap[1] = 0; 21271da177e4SLinus Torvalds READ_BUF((bmlen << 2)); 21281da177e4SLinus Torvalds if (bmlen > 0) { 21291da177e4SLinus Torvalds READ32(bitmap[0]); 21301da177e4SLinus Torvalds if (bmlen > 1) 21311da177e4SLinus Torvalds READ32(bitmap[1]); 21321da177e4SLinus Torvalds } 21331da177e4SLinus Torvalds return 0; 21341da177e4SLinus Torvalds } 21351da177e4SLinus Torvalds 21368687b63aSAl Viro static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep) 21371da177e4SLinus Torvalds { 21388687b63aSAl Viro __be32 *p; 21391da177e4SLinus Torvalds 21401da177e4SLinus Torvalds READ_BUF(4); 21411da177e4SLinus Torvalds READ32(*attrlen); 21421da177e4SLinus Torvalds *savep = xdr->p; 21431da177e4SLinus Torvalds return 0; 21441da177e4SLinus Torvalds } 21451da177e4SLinus Torvalds 21461da177e4SLinus Torvalds static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) 21471da177e4SLinus Torvalds { 21481da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { 21491da177e4SLinus Torvalds decode_attr_bitmap(xdr, bitmask); 21501da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; 21511da177e4SLinus Torvalds } else 21521da177e4SLinus Torvalds bitmask[0] = bitmask[1] = 0; 215344109241SFred Isaman dprintk("%s: bitmask=%08x:%08x\n", __func__, bitmask[0], bitmask[1]); 21541da177e4SLinus Torvalds return 0; 21551da177e4SLinus Torvalds } 21561da177e4SLinus Torvalds 21571da177e4SLinus Torvalds static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) 21581da177e4SLinus Torvalds { 21598687b63aSAl Viro __be32 *p; 21601da177e4SLinus Torvalds 21611da177e4SLinus Torvalds *type = 0; 21621da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) 21631da177e4SLinus Torvalds return -EIO; 21641da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { 21651da177e4SLinus Torvalds READ_BUF(4); 21661da177e4SLinus Torvalds READ32(*type); 21671da177e4SLinus Torvalds if (*type < NF4REG || *type > NF4NAMEDATTR) { 21683110ff80SHarvey Harrison dprintk("%s: bad type %d\n", __func__, *type); 21691da177e4SLinus Torvalds return -EIO; 21701da177e4SLinus Torvalds } 21711da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_TYPE; 21721da177e4SLinus Torvalds } 2173bca79478STrond Myklebust dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); 21741da177e4SLinus Torvalds return 0; 21751da177e4SLinus Torvalds } 21761da177e4SLinus Torvalds 21771da177e4SLinus Torvalds static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) 21781da177e4SLinus Torvalds { 21798687b63aSAl Viro __be32 *p; 21801da177e4SLinus Torvalds 21811da177e4SLinus Torvalds *change = 0; 21821da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) 21831da177e4SLinus Torvalds return -EIO; 21841da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { 21851da177e4SLinus Torvalds READ_BUF(8); 21861da177e4SLinus Torvalds READ64(*change); 21871da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_CHANGE; 21881da177e4SLinus Torvalds } 21893110ff80SHarvey Harrison dprintk("%s: change attribute=%Lu\n", __func__, 21901da177e4SLinus Torvalds (unsigned long long)*change); 21911da177e4SLinus Torvalds return 0; 21921da177e4SLinus Torvalds } 21931da177e4SLinus Torvalds 21941da177e4SLinus Torvalds static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) 21951da177e4SLinus Torvalds { 21968687b63aSAl Viro __be32 *p; 21971da177e4SLinus Torvalds 21981da177e4SLinus Torvalds *size = 0; 21991da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) 22001da177e4SLinus Torvalds return -EIO; 22011da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { 22021da177e4SLinus Torvalds READ_BUF(8); 22031da177e4SLinus Torvalds READ64(*size); 22041da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_SIZE; 22051da177e4SLinus Torvalds } 22063110ff80SHarvey Harrison dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); 22071da177e4SLinus Torvalds return 0; 22081da177e4SLinus Torvalds } 22091da177e4SLinus Torvalds 22101da177e4SLinus Torvalds static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 22111da177e4SLinus Torvalds { 22128687b63aSAl Viro __be32 *p; 22131da177e4SLinus Torvalds 22141da177e4SLinus Torvalds *res = 0; 22151da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) 22161da177e4SLinus Torvalds return -EIO; 22171da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { 22181da177e4SLinus Torvalds READ_BUF(4); 22191da177e4SLinus Torvalds READ32(*res); 22201da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; 22211da177e4SLinus Torvalds } 22223110ff80SHarvey Harrison dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); 22231da177e4SLinus Torvalds return 0; 22241da177e4SLinus Torvalds } 22251da177e4SLinus Torvalds 22261da177e4SLinus Torvalds static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 22271da177e4SLinus Torvalds { 22288687b63aSAl Viro __be32 *p; 22291da177e4SLinus Torvalds 22301da177e4SLinus Torvalds *res = 0; 22311da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) 22321da177e4SLinus Torvalds return -EIO; 22331da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { 22341da177e4SLinus Torvalds READ_BUF(4); 22351da177e4SLinus Torvalds READ32(*res); 22361da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; 22371da177e4SLinus Torvalds } 22383110ff80SHarvey Harrison dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); 22391da177e4SLinus Torvalds return 0; 22401da177e4SLinus Torvalds } 22411da177e4SLinus Torvalds 22428b4bdcf8STrond Myklebust static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) 22431da177e4SLinus Torvalds { 22448687b63aSAl Viro __be32 *p; 22451da177e4SLinus Torvalds 22461da177e4SLinus Torvalds fsid->major = 0; 22471da177e4SLinus Torvalds fsid->minor = 0; 22481da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) 22491da177e4SLinus Torvalds return -EIO; 22501da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { 22511da177e4SLinus Torvalds READ_BUF(16); 22521da177e4SLinus Torvalds READ64(fsid->major); 22531da177e4SLinus Torvalds READ64(fsid->minor); 22541da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_FSID; 22551da177e4SLinus Torvalds } 22563110ff80SHarvey Harrison dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, 22571da177e4SLinus Torvalds (unsigned long long)fsid->major, 22581da177e4SLinus Torvalds (unsigned long long)fsid->minor); 22591da177e4SLinus Torvalds return 0; 22601da177e4SLinus Torvalds } 22611da177e4SLinus Torvalds 22621da177e4SLinus Torvalds static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 22631da177e4SLinus Torvalds { 22648687b63aSAl Viro __be32 *p; 22651da177e4SLinus Torvalds 22661da177e4SLinus Torvalds *res = 60; 22671da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) 22681da177e4SLinus Torvalds return -EIO; 22691da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { 22701da177e4SLinus Torvalds READ_BUF(4); 22711da177e4SLinus Torvalds READ32(*res); 22721da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; 22731da177e4SLinus Torvalds } 22743110ff80SHarvey Harrison dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); 22751da177e4SLinus Torvalds return 0; 22761da177e4SLinus Torvalds } 22771da177e4SLinus Torvalds 22781da177e4SLinus Torvalds static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 22791da177e4SLinus Torvalds { 22808687b63aSAl Viro __be32 *p; 22811da177e4SLinus Torvalds 22821da177e4SLinus Torvalds *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; 22831da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) 22841da177e4SLinus Torvalds return -EIO; 22851da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { 22861da177e4SLinus Torvalds READ_BUF(4); 22871da177e4SLinus Torvalds READ32(*res); 22881da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; 22891da177e4SLinus Torvalds } 22903110ff80SHarvey Harrison dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); 22911da177e4SLinus Torvalds return 0; 22921da177e4SLinus Torvalds } 22931da177e4SLinus Torvalds 22941da177e4SLinus Torvalds static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) 22951da177e4SLinus Torvalds { 22968687b63aSAl Viro __be32 *p; 22971da177e4SLinus Torvalds 22981da177e4SLinus Torvalds *fileid = 0; 22991da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) 23001da177e4SLinus Torvalds return -EIO; 23011da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { 23021da177e4SLinus Torvalds READ_BUF(8); 23031da177e4SLinus Torvalds READ64(*fileid); 23041da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_FILEID; 23051da177e4SLinus Torvalds } 23063110ff80SHarvey Harrison dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); 23071da177e4SLinus Torvalds return 0; 23081da177e4SLinus Torvalds } 23091da177e4SLinus Torvalds 231099baf625SManoj Naik static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) 231199baf625SManoj Naik { 23128687b63aSAl Viro __be32 *p; 231399baf625SManoj Naik 231499baf625SManoj Naik *fileid = 0; 231599baf625SManoj Naik if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) 231699baf625SManoj Naik return -EIO; 231799baf625SManoj Naik if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { 231899baf625SManoj Naik READ_BUF(8); 231999baf625SManoj Naik READ64(*fileid); 232099baf625SManoj Naik bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; 232199baf625SManoj Naik } 23223110ff80SHarvey Harrison dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); 232399baf625SManoj Naik return 0; 232499baf625SManoj Naik } 232599baf625SManoj Naik 23261da177e4SLinus Torvalds static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 23271da177e4SLinus Torvalds { 23288687b63aSAl Viro __be32 *p; 23291da177e4SLinus Torvalds int status = 0; 23301da177e4SLinus Torvalds 23311da177e4SLinus Torvalds *res = 0; 23321da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) 23331da177e4SLinus Torvalds return -EIO; 23341da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { 23351da177e4SLinus Torvalds READ_BUF(8); 23361da177e4SLinus Torvalds READ64(*res); 23371da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; 23381da177e4SLinus Torvalds } 23393110ff80SHarvey Harrison dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); 23401da177e4SLinus Torvalds return status; 23411da177e4SLinus Torvalds } 23421da177e4SLinus Torvalds 23431da177e4SLinus Torvalds static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 23441da177e4SLinus Torvalds { 23458687b63aSAl Viro __be32 *p; 23461da177e4SLinus Torvalds int status = 0; 23471da177e4SLinus Torvalds 23481da177e4SLinus Torvalds *res = 0; 23491da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) 23501da177e4SLinus Torvalds return -EIO; 23511da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { 23521da177e4SLinus Torvalds READ_BUF(8); 23531da177e4SLinus Torvalds READ64(*res); 23541da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; 23551da177e4SLinus Torvalds } 23563110ff80SHarvey Harrison dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); 23571da177e4SLinus Torvalds return status; 23581da177e4SLinus Torvalds } 23591da177e4SLinus Torvalds 23601da177e4SLinus Torvalds static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 23611da177e4SLinus Torvalds { 23628687b63aSAl Viro __be32 *p; 23631da177e4SLinus Torvalds int status = 0; 23641da177e4SLinus Torvalds 23651da177e4SLinus Torvalds *res = 0; 23661da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) 23671da177e4SLinus Torvalds return -EIO; 23681da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { 23691da177e4SLinus Torvalds READ_BUF(8); 23701da177e4SLinus Torvalds READ64(*res); 23711da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; 23721da177e4SLinus Torvalds } 23733110ff80SHarvey Harrison dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); 23741da177e4SLinus Torvalds return status; 23751da177e4SLinus Torvalds } 23761da177e4SLinus Torvalds 23777aaa0b3bSManoj Naik static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) 23787aaa0b3bSManoj Naik { 2379464ad6b1SChuck Lever u32 n; 23808687b63aSAl Viro __be32 *p; 23817aaa0b3bSManoj Naik int status = 0; 23827aaa0b3bSManoj Naik 23837aaa0b3bSManoj Naik READ_BUF(4); 23847aaa0b3bSManoj Naik READ32(n); 238533a43f28SAndy Adamson if (n == 0) 238633a43f28SAndy Adamson goto root_path; 23877aaa0b3bSManoj Naik dprintk("path "); 23887aaa0b3bSManoj Naik path->ncomponents = 0; 23897aaa0b3bSManoj Naik while (path->ncomponents < n) { 23907aaa0b3bSManoj Naik struct nfs4_string *component = &path->components[path->ncomponents]; 23917aaa0b3bSManoj Naik status = decode_opaque_inline(xdr, &component->len, &component->data); 23927aaa0b3bSManoj Naik if (unlikely(status != 0)) 23937aaa0b3bSManoj Naik goto out_eio; 23947aaa0b3bSManoj Naik if (path->ncomponents != n) 23957aaa0b3bSManoj Naik dprintk("/"); 23967aaa0b3bSManoj Naik dprintk("%s", component->data); 23977aaa0b3bSManoj Naik if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) 23987aaa0b3bSManoj Naik path->ncomponents++; 23997aaa0b3bSManoj Naik else { 24007aaa0b3bSManoj Naik dprintk("cannot parse %d components in path\n", n); 24017aaa0b3bSManoj Naik goto out_eio; 24027aaa0b3bSManoj Naik } 24037aaa0b3bSManoj Naik } 24047aaa0b3bSManoj Naik out: 24057aaa0b3bSManoj Naik dprintk("\n"); 24067aaa0b3bSManoj Naik return status; 240733a43f28SAndy Adamson root_path: 240833a43f28SAndy Adamson /* a root pathname is sent as a zero component4 */ 240933a43f28SAndy Adamson path->ncomponents = 1; 241033a43f28SAndy Adamson path->components[0].len=0; 241133a43f28SAndy Adamson path->components[0].data=NULL; 241233a43f28SAndy Adamson dprintk("path /\n"); 241333a43f28SAndy Adamson goto out; 24147aaa0b3bSManoj Naik out_eio: 24157aaa0b3bSManoj Naik dprintk(" status %d", status); 24167aaa0b3bSManoj Naik status = -EIO; 24177aaa0b3bSManoj Naik goto out; 24187aaa0b3bSManoj Naik } 24197aaa0b3bSManoj Naik 24207aaa0b3bSManoj Naik static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) 2421683b57b4STrond Myklebust { 2422683b57b4STrond Myklebust int n; 24238687b63aSAl Viro __be32 *p; 2424683b57b4STrond Myklebust int status = -EIO; 2425683b57b4STrond Myklebust 2426683b57b4STrond Myklebust if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) 2427683b57b4STrond Myklebust goto out; 2428683b57b4STrond Myklebust status = 0; 2429683b57b4STrond Myklebust if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) 2430683b57b4STrond Myklebust goto out; 24313110ff80SHarvey Harrison dprintk("%s: fsroot ", __func__); 24327aaa0b3bSManoj Naik status = decode_pathname(xdr, &res->fs_path); 2433683b57b4STrond Myklebust if (unlikely(status != 0)) 2434683b57b4STrond Myklebust goto out; 2435683b57b4STrond Myklebust READ_BUF(4); 2436683b57b4STrond Myklebust READ32(n); 2437683b57b4STrond Myklebust if (n <= 0) 2438683b57b4STrond Myklebust goto out_eio; 2439683b57b4STrond Myklebust res->nlocations = 0; 2440683b57b4STrond Myklebust while (res->nlocations < n) { 2441464ad6b1SChuck Lever u32 m; 24427aaa0b3bSManoj Naik struct nfs4_fs_location *loc = &res->locations[res->nlocations]; 2443683b57b4STrond Myklebust 24447aaa0b3bSManoj Naik READ_BUF(4); 24457aaa0b3bSManoj Naik READ32(m); 24467aaa0b3bSManoj Naik 24477aaa0b3bSManoj Naik loc->nservers = 0; 24483110ff80SHarvey Harrison dprintk("%s: servers ", __func__); 24497aaa0b3bSManoj Naik while (loc->nservers < m) { 24507aaa0b3bSManoj Naik struct nfs4_string *server = &loc->servers[loc->nservers]; 24517aaa0b3bSManoj Naik status = decode_opaque_inline(xdr, &server->len, &server->data); 2452683b57b4STrond Myklebust if (unlikely(status != 0)) 2453683b57b4STrond Myklebust goto out_eio; 24547aaa0b3bSManoj Naik dprintk("%s ", server->data); 24557aaa0b3bSManoj Naik if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) 24567aaa0b3bSManoj Naik loc->nservers++; 24577aaa0b3bSManoj Naik else { 2458464ad6b1SChuck Lever unsigned int i; 2459464ad6b1SChuck Lever dprintk("%s: using first %u of %u servers " 2460464ad6b1SChuck Lever "returned for location %u\n", 24613110ff80SHarvey Harrison __func__, 2462464ad6b1SChuck Lever NFS4_FS_LOCATION_MAXSERVERS, 2463464ad6b1SChuck Lever m, res->nlocations); 24647aaa0b3bSManoj Naik for (i = loc->nservers; i < m; i++) { 24652e42c3e2STrond Myklebust unsigned int len; 24667aaa0b3bSManoj Naik char *data; 24677aaa0b3bSManoj Naik status = decode_opaque_inline(xdr, &len, &data); 2468683b57b4STrond Myklebust if (unlikely(status != 0)) 2469683b57b4STrond Myklebust goto out_eio; 24707aaa0b3bSManoj Naik } 24717aaa0b3bSManoj Naik } 24727aaa0b3bSManoj Naik } 24737aaa0b3bSManoj Naik status = decode_pathname(xdr, &loc->rootpath); 24747aaa0b3bSManoj Naik if (unlikely(status != 0)) 24757aaa0b3bSManoj Naik goto out_eio; 24767aaa0b3bSManoj Naik if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) 2477683b57b4STrond Myklebust res->nlocations++; 2478683b57b4STrond Myklebust } 2479683b57b4STrond Myklebust out: 24803110ff80SHarvey Harrison dprintk("%s: fs_locations done, error = %d\n", __func__, status); 2481683b57b4STrond Myklebust return status; 2482683b57b4STrond Myklebust out_eio: 2483683b57b4STrond Myklebust status = -EIO; 2484683b57b4STrond Myklebust goto out; 2485683b57b4STrond Myklebust } 2486683b57b4STrond Myklebust 24871da177e4SLinus Torvalds static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 24881da177e4SLinus Torvalds { 24898687b63aSAl Viro __be32 *p; 24901da177e4SLinus Torvalds int status = 0; 24911da177e4SLinus Torvalds 24921da177e4SLinus Torvalds *res = 0; 24931da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) 24941da177e4SLinus Torvalds return -EIO; 24951da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { 24961da177e4SLinus Torvalds READ_BUF(8); 24971da177e4SLinus Torvalds READ64(*res); 24981da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; 24991da177e4SLinus Torvalds } 25003110ff80SHarvey Harrison dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); 25011da177e4SLinus Torvalds return status; 25021da177e4SLinus Torvalds } 25031da177e4SLinus Torvalds 25041da177e4SLinus Torvalds static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) 25051da177e4SLinus Torvalds { 25068687b63aSAl Viro __be32 *p; 25071da177e4SLinus Torvalds int status = 0; 25081da177e4SLinus Torvalds 25091da177e4SLinus Torvalds *maxlink = 1; 25101da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) 25111da177e4SLinus Torvalds return -EIO; 25121da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { 25131da177e4SLinus Torvalds READ_BUF(4); 25141da177e4SLinus Torvalds READ32(*maxlink); 25151da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_MAXLINK; 25161da177e4SLinus Torvalds } 25173110ff80SHarvey Harrison dprintk("%s: maxlink=%u\n", __func__, *maxlink); 25181da177e4SLinus Torvalds return status; 25191da177e4SLinus Torvalds } 25201da177e4SLinus Torvalds 25211da177e4SLinus Torvalds static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) 25221da177e4SLinus Torvalds { 25238687b63aSAl Viro __be32 *p; 25241da177e4SLinus Torvalds int status = 0; 25251da177e4SLinus Torvalds 25261da177e4SLinus Torvalds *maxname = 1024; 25271da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) 25281da177e4SLinus Torvalds return -EIO; 25291da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { 25301da177e4SLinus Torvalds READ_BUF(4); 25311da177e4SLinus Torvalds READ32(*maxname); 25321da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_MAXNAME; 25331da177e4SLinus Torvalds } 25343110ff80SHarvey Harrison dprintk("%s: maxname=%u\n", __func__, *maxname); 25351da177e4SLinus Torvalds return status; 25361da177e4SLinus Torvalds } 25371da177e4SLinus Torvalds 25381da177e4SLinus Torvalds static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 25391da177e4SLinus Torvalds { 25408687b63aSAl Viro __be32 *p; 25411da177e4SLinus Torvalds int status = 0; 25421da177e4SLinus Torvalds 25431da177e4SLinus Torvalds *res = 1024; 25441da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) 25451da177e4SLinus Torvalds return -EIO; 25461da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { 25471da177e4SLinus Torvalds uint64_t maxread; 25481da177e4SLinus Torvalds READ_BUF(8); 25491da177e4SLinus Torvalds READ64(maxread); 25501da177e4SLinus Torvalds if (maxread > 0x7FFFFFFF) 25511da177e4SLinus Torvalds maxread = 0x7FFFFFFF; 25521da177e4SLinus Torvalds *res = (uint32_t)maxread; 25531da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_MAXREAD; 25541da177e4SLinus Torvalds } 25553110ff80SHarvey Harrison dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); 25561da177e4SLinus Torvalds return status; 25571da177e4SLinus Torvalds } 25581da177e4SLinus Torvalds 25591da177e4SLinus Torvalds static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 25601da177e4SLinus Torvalds { 25618687b63aSAl Viro __be32 *p; 25621da177e4SLinus Torvalds int status = 0; 25631da177e4SLinus Torvalds 25641da177e4SLinus Torvalds *res = 1024; 25651da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) 25661da177e4SLinus Torvalds return -EIO; 25671da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { 25681da177e4SLinus Torvalds uint64_t maxwrite; 25691da177e4SLinus Torvalds READ_BUF(8); 25701da177e4SLinus Torvalds READ64(maxwrite); 25711da177e4SLinus Torvalds if (maxwrite > 0x7FFFFFFF) 25721da177e4SLinus Torvalds maxwrite = 0x7FFFFFFF; 25731da177e4SLinus Torvalds *res = (uint32_t)maxwrite; 25741da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; 25751da177e4SLinus Torvalds } 25763110ff80SHarvey Harrison dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); 25771da177e4SLinus Torvalds return status; 25781da177e4SLinus Torvalds } 25791da177e4SLinus Torvalds 2580bca79478STrond Myklebust static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) 25811da177e4SLinus Torvalds { 2582bca79478STrond Myklebust uint32_t tmp; 25838687b63aSAl Viro __be32 *p; 25841da177e4SLinus Torvalds 25851da177e4SLinus Torvalds *mode = 0; 25861da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) 25871da177e4SLinus Torvalds return -EIO; 25881da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { 25891da177e4SLinus Torvalds READ_BUF(4); 2590bca79478STrond Myklebust READ32(tmp); 2591bca79478STrond Myklebust *mode = tmp & ~S_IFMT; 25921da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_MODE; 25931da177e4SLinus Torvalds } 25943110ff80SHarvey Harrison dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); 25951da177e4SLinus Torvalds return 0; 25961da177e4SLinus Torvalds } 25971da177e4SLinus Torvalds 25981da177e4SLinus Torvalds static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) 25991da177e4SLinus Torvalds { 26008687b63aSAl Viro __be32 *p; 26011da177e4SLinus Torvalds 26021da177e4SLinus Torvalds *nlink = 1; 26031da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) 26041da177e4SLinus Torvalds return -EIO; 26051da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { 26061da177e4SLinus Torvalds READ_BUF(4); 26071da177e4SLinus Torvalds READ32(*nlink); 26081da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; 26091da177e4SLinus Torvalds } 26103110ff80SHarvey Harrison dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); 26111da177e4SLinus Torvalds return 0; 26121da177e4SLinus Torvalds } 26131da177e4SLinus Torvalds 26142e42c3e2STrond Myklebust static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *uid) 26151da177e4SLinus Torvalds { 26168687b63aSAl Viro uint32_t len; 26178687b63aSAl Viro __be32 *p; 26181da177e4SLinus Torvalds 26191da177e4SLinus Torvalds *uid = -2; 26201da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) 26211da177e4SLinus Torvalds return -EIO; 26221da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { 26231da177e4SLinus Torvalds READ_BUF(4); 26241da177e4SLinus Torvalds READ32(len); 26251da177e4SLinus Torvalds READ_BUF(len); 26261da177e4SLinus Torvalds if (len < XDR_MAX_NETOBJ) { 26271da177e4SLinus Torvalds if (nfs_map_name_to_uid(clp, (char *)p, len, uid) != 0) 26281da177e4SLinus Torvalds dprintk("%s: nfs_map_name_to_uid failed!\n", 26293110ff80SHarvey Harrison __func__); 26301da177e4SLinus Torvalds } else 2631fe82a183SChuck Lever dprintk("%s: name too long (%u)!\n", 26323110ff80SHarvey Harrison __func__, len); 26331da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_OWNER; 26341da177e4SLinus Torvalds } 26353110ff80SHarvey Harrison dprintk("%s: uid=%d\n", __func__, (int)*uid); 26361da177e4SLinus Torvalds return 0; 26371da177e4SLinus Torvalds } 26381da177e4SLinus Torvalds 26392e42c3e2STrond Myklebust static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *gid) 26401da177e4SLinus Torvalds { 26418687b63aSAl Viro uint32_t len; 26428687b63aSAl Viro __be32 *p; 26431da177e4SLinus Torvalds 26441da177e4SLinus Torvalds *gid = -2; 26451da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) 26461da177e4SLinus Torvalds return -EIO; 26471da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { 26481da177e4SLinus Torvalds READ_BUF(4); 26491da177e4SLinus Torvalds READ32(len); 26501da177e4SLinus Torvalds READ_BUF(len); 26511da177e4SLinus Torvalds if (len < XDR_MAX_NETOBJ) { 26521da177e4SLinus Torvalds if (nfs_map_group_to_gid(clp, (char *)p, len, gid) != 0) 26531da177e4SLinus Torvalds dprintk("%s: nfs_map_group_to_gid failed!\n", 26543110ff80SHarvey Harrison __func__); 26551da177e4SLinus Torvalds } else 2656fe82a183SChuck Lever dprintk("%s: name too long (%u)!\n", 26573110ff80SHarvey Harrison __func__, len); 26581da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; 26591da177e4SLinus Torvalds } 26603110ff80SHarvey Harrison dprintk("%s: gid=%d\n", __func__, (int)*gid); 26611da177e4SLinus Torvalds return 0; 26621da177e4SLinus Torvalds } 26631da177e4SLinus Torvalds 26641da177e4SLinus Torvalds static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) 26651da177e4SLinus Torvalds { 26668687b63aSAl Viro uint32_t major = 0, minor = 0; 26678687b63aSAl Viro __be32 *p; 26681da177e4SLinus Torvalds 26691da177e4SLinus Torvalds *rdev = MKDEV(0,0); 26701da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) 26711da177e4SLinus Torvalds return -EIO; 26721da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { 26731da177e4SLinus Torvalds dev_t tmp; 26741da177e4SLinus Torvalds 26751da177e4SLinus Torvalds READ_BUF(8); 26761da177e4SLinus Torvalds READ32(major); 26771da177e4SLinus Torvalds READ32(minor); 26781da177e4SLinus Torvalds tmp = MKDEV(major, minor); 26791da177e4SLinus Torvalds if (MAJOR(tmp) == major && MINOR(tmp) == minor) 26801da177e4SLinus Torvalds *rdev = tmp; 26811da177e4SLinus Torvalds bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; 26821da177e4SLinus Torvalds } 26833110ff80SHarvey Harrison dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); 26841da177e4SLinus Torvalds return 0; 26851da177e4SLinus Torvalds } 26861da177e4SLinus Torvalds 26871da177e4SLinus Torvalds static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 26881da177e4SLinus Torvalds { 26898687b63aSAl Viro __be32 *p; 26901da177e4SLinus Torvalds int status = 0; 26911da177e4SLinus Torvalds 26921da177e4SLinus Torvalds *res = 0; 26931da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) 26941da177e4SLinus Torvalds return -EIO; 26951da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { 26961da177e4SLinus Torvalds READ_BUF(8); 26971da177e4SLinus Torvalds READ64(*res); 26981da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; 26991da177e4SLinus Torvalds } 27003110ff80SHarvey Harrison dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); 27011da177e4SLinus Torvalds return status; 27021da177e4SLinus Torvalds } 27031da177e4SLinus Torvalds 27041da177e4SLinus Torvalds static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 27051da177e4SLinus Torvalds { 27068687b63aSAl Viro __be32 *p; 27071da177e4SLinus Torvalds int status = 0; 27081da177e4SLinus Torvalds 27091da177e4SLinus Torvalds *res = 0; 27101da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) 27111da177e4SLinus Torvalds return -EIO; 27121da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { 27131da177e4SLinus Torvalds READ_BUF(8); 27141da177e4SLinus Torvalds READ64(*res); 27151da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; 27161da177e4SLinus Torvalds } 27173110ff80SHarvey Harrison dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); 27181da177e4SLinus Torvalds return status; 27191da177e4SLinus Torvalds } 27201da177e4SLinus Torvalds 27211da177e4SLinus Torvalds static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 27221da177e4SLinus Torvalds { 27238687b63aSAl Viro __be32 *p; 27241da177e4SLinus Torvalds int status = 0; 27251da177e4SLinus Torvalds 27261da177e4SLinus Torvalds *res = 0; 27271da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) 27281da177e4SLinus Torvalds return -EIO; 27291da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { 27301da177e4SLinus Torvalds READ_BUF(8); 27311da177e4SLinus Torvalds READ64(*res); 27321da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; 27331da177e4SLinus Torvalds } 27343110ff80SHarvey Harrison dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); 27351da177e4SLinus Torvalds return status; 27361da177e4SLinus Torvalds } 27371da177e4SLinus Torvalds 27381da177e4SLinus Torvalds static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) 27391da177e4SLinus Torvalds { 27408687b63aSAl Viro __be32 *p; 27411da177e4SLinus Torvalds 27421da177e4SLinus Torvalds *used = 0; 27431da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) 27441da177e4SLinus Torvalds return -EIO; 27451da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { 27461da177e4SLinus Torvalds READ_BUF(8); 27471da177e4SLinus Torvalds READ64(*used); 27481da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; 27491da177e4SLinus Torvalds } 27503110ff80SHarvey Harrison dprintk("%s: space used=%Lu\n", __func__, 27511da177e4SLinus Torvalds (unsigned long long)*used); 27521da177e4SLinus Torvalds return 0; 27531da177e4SLinus Torvalds } 27541da177e4SLinus Torvalds 27551da177e4SLinus Torvalds static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) 27561da177e4SLinus Torvalds { 27578687b63aSAl Viro __be32 *p; 27581da177e4SLinus Torvalds uint64_t sec; 27591da177e4SLinus Torvalds uint32_t nsec; 27601da177e4SLinus Torvalds 27611da177e4SLinus Torvalds READ_BUF(12); 27621da177e4SLinus Torvalds READ64(sec); 27631da177e4SLinus Torvalds READ32(nsec); 27641da177e4SLinus Torvalds time->tv_sec = (time_t)sec; 27651da177e4SLinus Torvalds time->tv_nsec = (long)nsec; 27661da177e4SLinus Torvalds return 0; 27671da177e4SLinus Torvalds } 27681da177e4SLinus Torvalds 27691da177e4SLinus Torvalds static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) 27701da177e4SLinus Torvalds { 27711da177e4SLinus Torvalds int status = 0; 27721da177e4SLinus Torvalds 27731da177e4SLinus Torvalds time->tv_sec = 0; 27741da177e4SLinus Torvalds time->tv_nsec = 0; 27751da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) 27761da177e4SLinus Torvalds return -EIO; 27771da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { 27781da177e4SLinus Torvalds status = decode_attr_time(xdr, time); 27791da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; 27801da177e4SLinus Torvalds } 27813110ff80SHarvey Harrison dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); 27821da177e4SLinus Torvalds return status; 27831da177e4SLinus Torvalds } 27841da177e4SLinus Torvalds 27851da177e4SLinus Torvalds static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) 27861da177e4SLinus Torvalds { 27871da177e4SLinus Torvalds int status = 0; 27881da177e4SLinus Torvalds 27891da177e4SLinus Torvalds time->tv_sec = 0; 27901da177e4SLinus Torvalds time->tv_nsec = 0; 27911da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) 27921da177e4SLinus Torvalds return -EIO; 27931da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { 27941da177e4SLinus Torvalds status = decode_attr_time(xdr, time); 27951da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; 27961da177e4SLinus Torvalds } 27973110ff80SHarvey Harrison dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); 27981da177e4SLinus Torvalds return status; 27991da177e4SLinus Torvalds } 28001da177e4SLinus Torvalds 28011da177e4SLinus Torvalds static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) 28021da177e4SLinus Torvalds { 28031da177e4SLinus Torvalds int status = 0; 28041da177e4SLinus Torvalds 28051da177e4SLinus Torvalds time->tv_sec = 0; 28061da177e4SLinus Torvalds time->tv_nsec = 0; 28071da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) 28081da177e4SLinus Torvalds return -EIO; 28091da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { 28101da177e4SLinus Torvalds status = decode_attr_time(xdr, time); 28111da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; 28121da177e4SLinus Torvalds } 28133110ff80SHarvey Harrison dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); 28141da177e4SLinus Torvalds return status; 28151da177e4SLinus Torvalds } 28161da177e4SLinus Torvalds 28178687b63aSAl Viro static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen) 28181da177e4SLinus Torvalds { 28191da177e4SLinus Torvalds unsigned int attrwords = XDR_QUADLEN(attrlen); 28201da177e4SLinus Torvalds unsigned int nwords = xdr->p - savep; 28211da177e4SLinus Torvalds 28221da177e4SLinus Torvalds if (unlikely(attrwords != nwords)) { 2823fe82a183SChuck Lever dprintk("%s: server returned incorrect attribute length: " 2824fe82a183SChuck Lever "%u %c %u\n", 28253110ff80SHarvey Harrison __func__, 28261da177e4SLinus Torvalds attrwords << 2, 28271da177e4SLinus Torvalds (attrwords < nwords) ? '<' : '>', 28281da177e4SLinus Torvalds nwords << 2); 28291da177e4SLinus Torvalds return -EIO; 28301da177e4SLinus Torvalds } 28311da177e4SLinus Torvalds return 0; 28321da177e4SLinus Torvalds } 28331da177e4SLinus Torvalds 28341da177e4SLinus Torvalds static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) 28351da177e4SLinus Torvalds { 28368687b63aSAl Viro __be32 *p; 28371da177e4SLinus Torvalds 28381da177e4SLinus Torvalds READ_BUF(20); 28391da177e4SLinus Torvalds READ32(cinfo->atomic); 28401da177e4SLinus Torvalds READ64(cinfo->before); 28411da177e4SLinus Torvalds READ64(cinfo->after); 28421da177e4SLinus Torvalds return 0; 28431da177e4SLinus Torvalds } 28441da177e4SLinus Torvalds 28451da177e4SLinus Torvalds static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) 28461da177e4SLinus Torvalds { 28478687b63aSAl Viro __be32 *p; 28481da177e4SLinus Torvalds uint32_t supp, acc; 28491da177e4SLinus Torvalds int status; 28501da177e4SLinus Torvalds 28511da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_ACCESS); 28521da177e4SLinus Torvalds if (status) 28531da177e4SLinus Torvalds return status; 28541da177e4SLinus Torvalds READ_BUF(8); 28551da177e4SLinus Torvalds READ32(supp); 28561da177e4SLinus Torvalds READ32(acc); 28571da177e4SLinus Torvalds access->supported = supp; 28581da177e4SLinus Torvalds access->access = acc; 28591da177e4SLinus Torvalds return 0; 28601da177e4SLinus Torvalds } 28611da177e4SLinus Torvalds 28621da177e4SLinus Torvalds static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) 28631da177e4SLinus Torvalds { 28648687b63aSAl Viro __be32 *p; 28651da177e4SLinus Torvalds int status; 28661da177e4SLinus Torvalds 28671da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_CLOSE); 2868c1d51931STrond Myklebust if (status != -EIO) 2869c1d51931STrond Myklebust nfs_increment_open_seqid(status, res->seqid); 28701da177e4SLinus Torvalds if (status) 28711da177e4SLinus Torvalds return status; 28728ae20abdSTrond Myklebust READ_BUF(NFS4_STATEID_SIZE); 28738ae20abdSTrond Myklebust COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); 28741da177e4SLinus Torvalds return 0; 28751da177e4SLinus Torvalds } 28761da177e4SLinus Torvalds 28771da177e4SLinus Torvalds static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res) 28781da177e4SLinus Torvalds { 28798687b63aSAl Viro __be32 *p; 28801da177e4SLinus Torvalds int status; 28811da177e4SLinus Torvalds 28821da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_COMMIT); 28831da177e4SLinus Torvalds if (status) 28841da177e4SLinus Torvalds return status; 28851da177e4SLinus Torvalds READ_BUF(8); 28861da177e4SLinus Torvalds COPYMEM(res->verf->verifier, 8); 28871da177e4SLinus Torvalds return 0; 28881da177e4SLinus Torvalds } 28891da177e4SLinus Torvalds 28901da177e4SLinus Torvalds static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) 28911da177e4SLinus Torvalds { 28928687b63aSAl Viro __be32 *p; 28931da177e4SLinus Torvalds uint32_t bmlen; 28941da177e4SLinus Torvalds int status; 28951da177e4SLinus Torvalds 28961da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_CREATE); 28971da177e4SLinus Torvalds if (status) 28981da177e4SLinus Torvalds return status; 28991da177e4SLinus Torvalds if ((status = decode_change_info(xdr, cinfo))) 29001da177e4SLinus Torvalds return status; 29011da177e4SLinus Torvalds READ_BUF(4); 29021da177e4SLinus Torvalds READ32(bmlen); 29031da177e4SLinus Torvalds READ_BUF(bmlen << 2); 29041da177e4SLinus Torvalds return 0; 29051da177e4SLinus Torvalds } 29061da177e4SLinus Torvalds 29071da177e4SLinus Torvalds static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) 29081da177e4SLinus Torvalds { 29098687b63aSAl Viro __be32 *savep; 29106c0195a4SAndy Adamson uint32_t attrlen, bitmap[2] = {0}; 29111da177e4SLinus Torvalds int status; 29121da177e4SLinus Torvalds 29131da177e4SLinus Torvalds if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 29141da177e4SLinus Torvalds goto xdr_error; 29151da177e4SLinus Torvalds if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) 29161da177e4SLinus Torvalds goto xdr_error; 29171da177e4SLinus Torvalds if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 29181da177e4SLinus Torvalds goto xdr_error; 29191da177e4SLinus Torvalds if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) 29201da177e4SLinus Torvalds goto xdr_error; 29211da177e4SLinus Torvalds if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) 29221da177e4SLinus Torvalds goto xdr_error; 29231da177e4SLinus Torvalds if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) 29241da177e4SLinus Torvalds goto xdr_error; 29251da177e4SLinus Torvalds if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) 29261da177e4SLinus Torvalds goto xdr_error; 29271da177e4SLinus Torvalds status = verify_attr_len(xdr, savep, attrlen); 29281da177e4SLinus Torvalds xdr_error: 29293110ff80SHarvey Harrison dprintk("%s: xdr returned %d!\n", __func__, -status); 29301da177e4SLinus Torvalds return status; 29311da177e4SLinus Torvalds } 29321da177e4SLinus Torvalds 29331da177e4SLinus Torvalds static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) 29341da177e4SLinus Torvalds { 29358687b63aSAl Viro __be32 *savep; 29366c0195a4SAndy Adamson uint32_t attrlen, bitmap[2] = {0}; 29371da177e4SLinus Torvalds int status; 29381da177e4SLinus Torvalds 29391da177e4SLinus Torvalds if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 29401da177e4SLinus Torvalds goto xdr_error; 29411da177e4SLinus Torvalds if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) 29421da177e4SLinus Torvalds goto xdr_error; 29431da177e4SLinus Torvalds if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 29441da177e4SLinus Torvalds goto xdr_error; 29451da177e4SLinus Torvalds 29461da177e4SLinus Torvalds if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) 29471da177e4SLinus Torvalds goto xdr_error; 29481da177e4SLinus Torvalds if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) 29491da177e4SLinus Torvalds goto xdr_error; 29501da177e4SLinus Torvalds if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) 29511da177e4SLinus Torvalds goto xdr_error; 29521da177e4SLinus Torvalds if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) 29531da177e4SLinus Torvalds goto xdr_error; 29541da177e4SLinus Torvalds if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) 29551da177e4SLinus Torvalds goto xdr_error; 29561da177e4SLinus Torvalds if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) 29571da177e4SLinus Torvalds goto xdr_error; 29581da177e4SLinus Torvalds 29591da177e4SLinus Torvalds status = verify_attr_len(xdr, savep, attrlen); 29601da177e4SLinus Torvalds xdr_error: 29613110ff80SHarvey Harrison dprintk("%s: xdr returned %d!\n", __func__, -status); 29621da177e4SLinus Torvalds return status; 29631da177e4SLinus Torvalds } 29641da177e4SLinus Torvalds 29651da177e4SLinus Torvalds static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) 29661da177e4SLinus Torvalds { 29678687b63aSAl Viro __be32 *savep; 29686c0195a4SAndy Adamson uint32_t attrlen, bitmap[2] = {0}; 29691da177e4SLinus Torvalds int status; 29701da177e4SLinus Torvalds 29711da177e4SLinus Torvalds if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 29721da177e4SLinus Torvalds goto xdr_error; 29731da177e4SLinus Torvalds if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) 29741da177e4SLinus Torvalds goto xdr_error; 29751da177e4SLinus Torvalds if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 29761da177e4SLinus Torvalds goto xdr_error; 29771da177e4SLinus Torvalds 29781da177e4SLinus Torvalds if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) 29791da177e4SLinus Torvalds goto xdr_error; 29801da177e4SLinus Torvalds if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) 29811da177e4SLinus Torvalds goto xdr_error; 29821da177e4SLinus Torvalds 29831da177e4SLinus Torvalds status = verify_attr_len(xdr, savep, attrlen); 29841da177e4SLinus Torvalds xdr_error: 29853110ff80SHarvey Harrison dprintk("%s: xdr returned %d!\n", __func__, -status); 29861da177e4SLinus Torvalds return status; 29871da177e4SLinus Torvalds } 29881da177e4SLinus Torvalds 29891da177e4SLinus Torvalds static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, const struct nfs_server *server) 29901da177e4SLinus Torvalds { 29918687b63aSAl Viro __be32 *savep; 29921da177e4SLinus Torvalds uint32_t attrlen, 29931da177e4SLinus Torvalds bitmap[2] = {0}, 29941da177e4SLinus Torvalds type; 2995bca79478STrond Myklebust int status; 2996bca79478STrond Myklebust umode_t fmode = 0; 299799baf625SManoj Naik uint64_t fileid; 29981da177e4SLinus Torvalds 29991da177e4SLinus Torvalds if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 30001da177e4SLinus Torvalds goto xdr_error; 30011da177e4SLinus Torvalds if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) 30021da177e4SLinus Torvalds goto xdr_error; 30031da177e4SLinus Torvalds 30041da177e4SLinus Torvalds if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 30051da177e4SLinus Torvalds goto xdr_error; 30061da177e4SLinus Torvalds 30071da177e4SLinus Torvalds 30081da177e4SLinus Torvalds if ((status = decode_attr_type(xdr, bitmap, &type)) != 0) 30091da177e4SLinus Torvalds goto xdr_error; 3010bca79478STrond Myklebust fattr->mode = nfs_type2fmt[type]; 30111da177e4SLinus Torvalds 30121da177e4SLinus Torvalds if ((status = decode_attr_change(xdr, bitmap, &fattr->change_attr)) != 0) 30131da177e4SLinus Torvalds goto xdr_error; 30141da177e4SLinus Torvalds if ((status = decode_attr_size(xdr, bitmap, &fattr->size)) != 0) 30151da177e4SLinus Torvalds goto xdr_error; 30168b4bdcf8STrond Myklebust if ((status = decode_attr_fsid(xdr, bitmap, &fattr->fsid)) != 0) 30171da177e4SLinus Torvalds goto xdr_error; 30181da177e4SLinus Torvalds if ((status = decode_attr_fileid(xdr, bitmap, &fattr->fileid)) != 0) 30191da177e4SLinus Torvalds goto xdr_error; 3020683b57b4STrond Myklebust if ((status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr, 30217aaa0b3bSManoj Naik struct nfs4_fs_locations, 3022683b57b4STrond Myklebust fattr))) != 0) 3023683b57b4STrond Myklebust goto xdr_error; 30249e6e70f8STrond Myklebust if ((status = decode_attr_mode(xdr, bitmap, &fmode)) != 0) 30251da177e4SLinus Torvalds goto xdr_error; 30261da177e4SLinus Torvalds fattr->mode |= fmode; 30271da177e4SLinus Torvalds if ((status = decode_attr_nlink(xdr, bitmap, &fattr->nlink)) != 0) 30281da177e4SLinus Torvalds goto xdr_error; 30297539bbabSDavid Howells if ((status = decode_attr_owner(xdr, bitmap, server->nfs_client, &fattr->uid)) != 0) 30301da177e4SLinus Torvalds goto xdr_error; 30317539bbabSDavid Howells if ((status = decode_attr_group(xdr, bitmap, server->nfs_client, &fattr->gid)) != 0) 30321da177e4SLinus Torvalds goto xdr_error; 30331da177e4SLinus Torvalds if ((status = decode_attr_rdev(xdr, bitmap, &fattr->rdev)) != 0) 30341da177e4SLinus Torvalds goto xdr_error; 30351da177e4SLinus Torvalds if ((status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used)) != 0) 30361da177e4SLinus Torvalds goto xdr_error; 30371da177e4SLinus Torvalds if ((status = decode_attr_time_access(xdr, bitmap, &fattr->atime)) != 0) 30381da177e4SLinus Torvalds goto xdr_error; 30391da177e4SLinus Torvalds if ((status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime)) != 0) 30401da177e4SLinus Torvalds goto xdr_error; 30411da177e4SLinus Torvalds if ((status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime)) != 0) 30421da177e4SLinus Torvalds goto xdr_error; 304399baf625SManoj Naik if ((status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid)) != 0) 304499baf625SManoj Naik goto xdr_error; 304599baf625SManoj Naik if (fattr->fileid == 0 && fileid != 0) 304699baf625SManoj Naik fattr->fileid = fileid; 304733801147STrond Myklebust if ((status = verify_attr_len(xdr, savep, attrlen)) == 0) 30489e6e70f8STrond Myklebust fattr->valid = NFS_ATTR_FATTR_V4; 30491da177e4SLinus Torvalds xdr_error: 30503110ff80SHarvey Harrison dprintk("%s: xdr returned %d\n", __func__, -status); 30511da177e4SLinus Torvalds return status; 30521da177e4SLinus Torvalds } 30531da177e4SLinus Torvalds 30541da177e4SLinus Torvalds 30551da177e4SLinus Torvalds static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) 30561da177e4SLinus Torvalds { 30578687b63aSAl Viro __be32 *savep; 30581da177e4SLinus Torvalds uint32_t attrlen, bitmap[2]; 30591da177e4SLinus Torvalds int status; 30601da177e4SLinus Torvalds 30611da177e4SLinus Torvalds if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 30621da177e4SLinus Torvalds goto xdr_error; 30631da177e4SLinus Torvalds if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) 30641da177e4SLinus Torvalds goto xdr_error; 30651da177e4SLinus Torvalds if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 30661da177e4SLinus Torvalds goto xdr_error; 30671da177e4SLinus Torvalds 30681da177e4SLinus Torvalds fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ 30691da177e4SLinus Torvalds 30701da177e4SLinus Torvalds if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) 30711da177e4SLinus Torvalds goto xdr_error; 30721da177e4SLinus Torvalds if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) 30731da177e4SLinus Torvalds goto xdr_error; 30741da177e4SLinus Torvalds if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) 30751da177e4SLinus Torvalds goto xdr_error; 30761da177e4SLinus Torvalds fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; 30771da177e4SLinus Torvalds if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) 30781da177e4SLinus Torvalds goto xdr_error; 30791da177e4SLinus Torvalds fsinfo->wtpref = fsinfo->wtmax; 30801da177e4SLinus Torvalds 30811da177e4SLinus Torvalds status = verify_attr_len(xdr, savep, attrlen); 30821da177e4SLinus Torvalds xdr_error: 30833110ff80SHarvey Harrison dprintk("%s: xdr returned %d!\n", __func__, -status); 30841da177e4SLinus Torvalds return status; 30851da177e4SLinus Torvalds } 30861da177e4SLinus Torvalds 30871da177e4SLinus Torvalds static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) 30881da177e4SLinus Torvalds { 30898687b63aSAl Viro __be32 *p; 30901da177e4SLinus Torvalds uint32_t len; 30911da177e4SLinus Torvalds int status; 30921da177e4SLinus Torvalds 30939936781dSTrond Myklebust /* Zero handle first to allow comparisons */ 30949936781dSTrond Myklebust memset(fh, 0, sizeof(*fh)); 30959936781dSTrond Myklebust 30961da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_GETFH); 30971da177e4SLinus Torvalds if (status) 30981da177e4SLinus Torvalds return status; 30991da177e4SLinus Torvalds 31001da177e4SLinus Torvalds READ_BUF(4); 31011da177e4SLinus Torvalds READ32(len); 31021da177e4SLinus Torvalds if (len > NFS4_FHSIZE) 31031da177e4SLinus Torvalds return -EIO; 31041da177e4SLinus Torvalds fh->size = len; 31051da177e4SLinus Torvalds READ_BUF(len); 31061da177e4SLinus Torvalds COPYMEM(fh->data, len); 31071da177e4SLinus Torvalds return 0; 31081da177e4SLinus Torvalds } 31091da177e4SLinus Torvalds 31101da177e4SLinus Torvalds static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) 31111da177e4SLinus Torvalds { 31121da177e4SLinus Torvalds int status; 31131da177e4SLinus Torvalds 31141da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_LINK); 31151da177e4SLinus Torvalds if (status) 31161da177e4SLinus Torvalds return status; 31171da177e4SLinus Torvalds return decode_change_info(xdr, cinfo); 31181da177e4SLinus Torvalds } 31191da177e4SLinus Torvalds 31201da177e4SLinus Torvalds /* 31211da177e4SLinus Torvalds * We create the owner, so we know a proper owner.id length is 4. 31221da177e4SLinus Torvalds */ 3123911d1aafSTrond Myklebust static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) 31241da177e4SLinus Torvalds { 3125911d1aafSTrond Myklebust uint64_t offset, length, clientid; 31268687b63aSAl Viro __be32 *p; 3127911d1aafSTrond Myklebust uint32_t namelen, type; 31281da177e4SLinus Torvalds 31291da177e4SLinus Torvalds READ_BUF(32); 3130911d1aafSTrond Myklebust READ64(offset); 3131911d1aafSTrond Myklebust READ64(length); 3132911d1aafSTrond Myklebust READ32(type); 3133911d1aafSTrond Myklebust if (fl != NULL) { 3134911d1aafSTrond Myklebust fl->fl_start = (loff_t)offset; 3135911d1aafSTrond Myklebust fl->fl_end = fl->fl_start + (loff_t)length - 1; 3136911d1aafSTrond Myklebust if (length == ~(uint64_t)0) 3137911d1aafSTrond Myklebust fl->fl_end = OFFSET_MAX; 3138911d1aafSTrond Myklebust fl->fl_type = F_WRLCK; 3139911d1aafSTrond Myklebust if (type & 1) 3140911d1aafSTrond Myklebust fl->fl_type = F_RDLCK; 3141911d1aafSTrond Myklebust fl->fl_pid = 0; 3142911d1aafSTrond Myklebust } 3143911d1aafSTrond Myklebust READ64(clientid); 31441da177e4SLinus Torvalds READ32(namelen); 31451da177e4SLinus Torvalds READ_BUF(namelen); 31461da177e4SLinus Torvalds return -NFS4ERR_DENIED; 31471da177e4SLinus Torvalds } 31481da177e4SLinus Torvalds 3149911d1aafSTrond Myklebust static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) 31501da177e4SLinus Torvalds { 31518687b63aSAl Viro __be32 *p; 31521da177e4SLinus Torvalds int status; 31531da177e4SLinus Torvalds 31541da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_LOCK); 3155c1d51931STrond Myklebust if (status == -EIO) 3156c1d51931STrond Myklebust goto out; 31571da177e4SLinus Torvalds if (status == 0) { 31588ae20abdSTrond Myklebust READ_BUF(NFS4_STATEID_SIZE); 31598ae20abdSTrond Myklebust COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); 31601da177e4SLinus Torvalds } else if (status == -NFS4ERR_DENIED) 3161c1d51931STrond Myklebust status = decode_lock_denied(xdr, NULL); 3162c1d51931STrond Myklebust if (res->open_seqid != NULL) 3163c1d51931STrond Myklebust nfs_increment_open_seqid(status, res->open_seqid); 3164c1d51931STrond Myklebust nfs_increment_lock_seqid(status, res->lock_seqid); 3165c1d51931STrond Myklebust out: 31661da177e4SLinus Torvalds return status; 31671da177e4SLinus Torvalds } 31681da177e4SLinus Torvalds 3169911d1aafSTrond Myklebust static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) 31701da177e4SLinus Torvalds { 31711da177e4SLinus Torvalds int status; 31721da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_LOCKT); 31731da177e4SLinus Torvalds if (status == -NFS4ERR_DENIED) 3174911d1aafSTrond Myklebust return decode_lock_denied(xdr, res->denied); 31751da177e4SLinus Torvalds return status; 31761da177e4SLinus Torvalds } 31771da177e4SLinus Torvalds 3178911d1aafSTrond Myklebust static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) 31791da177e4SLinus Torvalds { 31808687b63aSAl Viro __be32 *p; 31811da177e4SLinus Torvalds int status; 31821da177e4SLinus Torvalds 31831da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_LOCKU); 3184c1d51931STrond Myklebust if (status != -EIO) 3185c1d51931STrond Myklebust nfs_increment_lock_seqid(status, res->seqid); 31861da177e4SLinus Torvalds if (status == 0) { 31878ae20abdSTrond Myklebust READ_BUF(NFS4_STATEID_SIZE); 31888ae20abdSTrond Myklebust COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); 31891da177e4SLinus Torvalds } 31901da177e4SLinus Torvalds return status; 31911da177e4SLinus Torvalds } 31921da177e4SLinus Torvalds 31931da177e4SLinus Torvalds static int decode_lookup(struct xdr_stream *xdr) 31941da177e4SLinus Torvalds { 31951da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_LOOKUP); 31961da177e4SLinus Torvalds } 31971da177e4SLinus Torvalds 31981da177e4SLinus Torvalds /* This is too sick! */ 31991da177e4SLinus Torvalds static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) 32001da177e4SLinus Torvalds { 32018687b63aSAl Viro __be32 *p; 32021da177e4SLinus Torvalds uint32_t limit_type, nblocks, blocksize; 32031da177e4SLinus Torvalds 32041da177e4SLinus Torvalds READ_BUF(12); 32051da177e4SLinus Torvalds READ32(limit_type); 32061da177e4SLinus Torvalds switch (limit_type) { 32071da177e4SLinus Torvalds case 1: 32081da177e4SLinus Torvalds READ64(*maxsize); 32091da177e4SLinus Torvalds break; 32101da177e4SLinus Torvalds case 2: 32111da177e4SLinus Torvalds READ32(nblocks); 32121da177e4SLinus Torvalds READ32(blocksize); 32131da177e4SLinus Torvalds *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; 32141da177e4SLinus Torvalds } 32151da177e4SLinus Torvalds return 0; 32161da177e4SLinus Torvalds } 32171da177e4SLinus Torvalds 32181da177e4SLinus Torvalds static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) 32191da177e4SLinus Torvalds { 32208687b63aSAl Viro __be32 *p; 32211da177e4SLinus Torvalds uint32_t delegation_type; 32221da177e4SLinus Torvalds 32231da177e4SLinus Torvalds READ_BUF(4); 32241da177e4SLinus Torvalds READ32(delegation_type); 32251da177e4SLinus Torvalds if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { 32261da177e4SLinus Torvalds res->delegation_type = 0; 32271da177e4SLinus Torvalds return 0; 32281da177e4SLinus Torvalds } 32298ae20abdSTrond Myklebust READ_BUF(NFS4_STATEID_SIZE+4); 32308ae20abdSTrond Myklebust COPYMEM(res->delegation.data, NFS4_STATEID_SIZE); 32311da177e4SLinus Torvalds READ32(res->do_recall); 323205d564feSAndy Adamson 32331da177e4SLinus Torvalds switch (delegation_type) { 32341da177e4SLinus Torvalds case NFS4_OPEN_DELEGATE_READ: 32351da177e4SLinus Torvalds res->delegation_type = FMODE_READ; 32361da177e4SLinus Torvalds break; 32371da177e4SLinus Torvalds case NFS4_OPEN_DELEGATE_WRITE: 32381da177e4SLinus Torvalds res->delegation_type = FMODE_WRITE|FMODE_READ; 32391da177e4SLinus Torvalds if (decode_space_limit(xdr, &res->maxsize) < 0) 32401da177e4SLinus Torvalds return -EIO; 32411da177e4SLinus Torvalds } 32427539bbabSDavid Howells return decode_ace(xdr, NULL, res->server->nfs_client); 32431da177e4SLinus Torvalds } 32441da177e4SLinus Torvalds 32451da177e4SLinus Torvalds static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) 32461da177e4SLinus Torvalds { 32478687b63aSAl Viro __be32 *p; 3248aa53ed54SJeff Layton uint32_t savewords, bmlen, i; 32491da177e4SLinus Torvalds int status; 32501da177e4SLinus Torvalds 32511da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_OPEN); 3252c1d51931STrond Myklebust if (status != -EIO) 3253c1d51931STrond Myklebust nfs_increment_open_seqid(status, res->seqid); 32541da177e4SLinus Torvalds if (status) 32551da177e4SLinus Torvalds return status; 32568ae20abdSTrond Myklebust READ_BUF(NFS4_STATEID_SIZE); 32578ae20abdSTrond Myklebust COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); 32581da177e4SLinus Torvalds 32591da177e4SLinus Torvalds decode_change_info(xdr, &res->cinfo); 32601da177e4SLinus Torvalds 32611da177e4SLinus Torvalds READ_BUF(8); 32621da177e4SLinus Torvalds READ32(res->rflags); 32631da177e4SLinus Torvalds READ32(bmlen); 32641da177e4SLinus Torvalds if (bmlen > 10) 32651da177e4SLinus Torvalds goto xdr_error; 32661da177e4SLinus Torvalds 32671da177e4SLinus Torvalds READ_BUF(bmlen << 2); 3268aa53ed54SJeff Layton savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); 3269aa53ed54SJeff Layton for (i = 0; i < savewords; ++i) 3270aa53ed54SJeff Layton READ32(res->attrset[i]); 3271aa53ed54SJeff Layton for (; i < NFS4_BITMAP_SIZE; i++) 3272aa53ed54SJeff Layton res->attrset[i] = 0; 3273aa53ed54SJeff Layton 32741da177e4SLinus Torvalds return decode_delegation(xdr, res); 32751da177e4SLinus Torvalds xdr_error: 32763110ff80SHarvey Harrison dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); 32771da177e4SLinus Torvalds return -EIO; 32781da177e4SLinus Torvalds } 32791da177e4SLinus Torvalds 32801da177e4SLinus Torvalds static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) 32811da177e4SLinus Torvalds { 32828687b63aSAl Viro __be32 *p; 32831da177e4SLinus Torvalds int status; 32841da177e4SLinus Torvalds 32851da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); 3286c1d51931STrond Myklebust if (status != -EIO) 3287c1d51931STrond Myklebust nfs_increment_open_seqid(status, res->seqid); 32881da177e4SLinus Torvalds if (status) 32891da177e4SLinus Torvalds return status; 32908ae20abdSTrond Myklebust READ_BUF(NFS4_STATEID_SIZE); 32918ae20abdSTrond Myklebust COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); 32921da177e4SLinus Torvalds return 0; 32931da177e4SLinus Torvalds } 32941da177e4SLinus Torvalds 32951da177e4SLinus Torvalds static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) 32961da177e4SLinus Torvalds { 32978687b63aSAl Viro __be32 *p; 32981da177e4SLinus Torvalds int status; 32991da177e4SLinus Torvalds 33001da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); 3301c1d51931STrond Myklebust if (status != -EIO) 3302c1d51931STrond Myklebust nfs_increment_open_seqid(status, res->seqid); 33031da177e4SLinus Torvalds if (status) 33041da177e4SLinus Torvalds return status; 33058ae20abdSTrond Myklebust READ_BUF(NFS4_STATEID_SIZE); 33068ae20abdSTrond Myklebust COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); 33071da177e4SLinus Torvalds return 0; 33081da177e4SLinus Torvalds } 33091da177e4SLinus Torvalds 33101da177e4SLinus Torvalds static int decode_putfh(struct xdr_stream *xdr) 33111da177e4SLinus Torvalds { 33121da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_PUTFH); 33131da177e4SLinus Torvalds } 33141da177e4SLinus Torvalds 33151da177e4SLinus Torvalds static int decode_putrootfh(struct xdr_stream *xdr) 33161da177e4SLinus Torvalds { 33171da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_PUTROOTFH); 33181da177e4SLinus Torvalds } 33191da177e4SLinus Torvalds 33201da177e4SLinus Torvalds static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) 33211da177e4SLinus Torvalds { 33221da177e4SLinus Torvalds struct kvec *iov = req->rq_rcv_buf.head; 33238687b63aSAl Viro __be32 *p; 33241da177e4SLinus Torvalds uint32_t count, eof, recvd, hdrlen; 33251da177e4SLinus Torvalds int status; 33261da177e4SLinus Torvalds 33271da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_READ); 33281da177e4SLinus Torvalds if (status) 33291da177e4SLinus Torvalds return status; 33301da177e4SLinus Torvalds READ_BUF(8); 33311da177e4SLinus Torvalds READ32(eof); 33321da177e4SLinus Torvalds READ32(count); 33331da177e4SLinus Torvalds hdrlen = (u8 *) p - (u8 *) iov->iov_base; 33341da177e4SLinus Torvalds recvd = req->rq_rcv_buf.len - hdrlen; 33351da177e4SLinus Torvalds if (count > recvd) { 3336fe82a183SChuck Lever dprintk("NFS: server cheating in read reply: " 33371da177e4SLinus Torvalds "count %u > recvd %u\n", count, recvd); 33381da177e4SLinus Torvalds count = recvd; 33391da177e4SLinus Torvalds eof = 0; 33401da177e4SLinus Torvalds } 33411da177e4SLinus Torvalds xdr_read_pages(xdr, count); 33421da177e4SLinus Torvalds res->eof = eof; 33431da177e4SLinus Torvalds res->count = count; 33441da177e4SLinus Torvalds return 0; 33451da177e4SLinus Torvalds } 33461da177e4SLinus Torvalds 33471da177e4SLinus Torvalds static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) 33481da177e4SLinus Torvalds { 33491da177e4SLinus Torvalds struct xdr_buf *rcvbuf = &req->rq_rcv_buf; 33501da177e4SLinus Torvalds struct page *page = *rcvbuf->pages; 33511da177e4SLinus Torvalds struct kvec *iov = rcvbuf->head; 3352bcecff77SChuck Lever size_t hdrlen; 3353bcecff77SChuck Lever u32 recvd, pglen = rcvbuf->page_len; 33548687b63aSAl Viro __be32 *end, *entry, *p, *kaddr; 33557bda2cdfSJeff Layton unsigned int nr = 0; 3356bcecff77SChuck Lever int status; 33571da177e4SLinus Torvalds 33581da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_READDIR); 33591da177e4SLinus Torvalds if (status) 33601da177e4SLinus Torvalds return status; 33611da177e4SLinus Torvalds READ_BUF(8); 33621da177e4SLinus Torvalds COPYMEM(readdir->verifier.data, 8); 336344109241SFred Isaman dprintk("%s: verifier = %08x:%08x\n", 336444109241SFred Isaman __func__, 3365eadf4598STrond Myklebust ((u32 *)readdir->verifier.data)[0], 3366eadf4598STrond Myklebust ((u32 *)readdir->verifier.data)[1]); 3367eadf4598STrond Myklebust 33681da177e4SLinus Torvalds 33691da177e4SLinus Torvalds hdrlen = (char *) p - (char *) iov->iov_base; 33701da177e4SLinus Torvalds recvd = rcvbuf->len - hdrlen; 33711da177e4SLinus Torvalds if (pglen > recvd) 33721da177e4SLinus Torvalds pglen = recvd; 33731da177e4SLinus Torvalds xdr_read_pages(xdr, pglen); 33741da177e4SLinus Torvalds 33751da177e4SLinus Torvalds BUG_ON(pglen + readdir->pgbase > PAGE_CACHE_SIZE); 33768687b63aSAl Viro kaddr = p = kmap_atomic(page, KM_USER0); 3377e8896495SDavid Howells end = p + ((pglen + readdir->pgbase) >> 2); 33781da177e4SLinus Torvalds entry = p; 33797bda2cdfSJeff Layton 33807bda2cdfSJeff Layton /* Make sure the packet actually has a value_follows and EOF entry */ 33817bda2cdfSJeff Layton if ((entry + 1) > end) 33827bda2cdfSJeff Layton goto short_pkt; 33837bda2cdfSJeff Layton 33847bda2cdfSJeff Layton for (; *p++; nr++) { 3385bcecff77SChuck Lever u32 len, attrlen, xlen; 3386e8896495SDavid Howells if (end - p < 3) 33871da177e4SLinus Torvalds goto short_pkt; 3388eadf4598STrond Myklebust dprintk("cookie = %Lu, ", *((unsigned long long *)p)); 33891da177e4SLinus Torvalds p += 2; /* cookie */ 33901da177e4SLinus Torvalds len = ntohl(*p++); /* filename length */ 33911da177e4SLinus Torvalds if (len > NFS4_MAXNAMLEN) { 3392fe82a183SChuck Lever dprintk("NFS: giant filename in readdir (len 0x%x)\n", 3393fe82a183SChuck Lever len); 33941da177e4SLinus Torvalds goto err_unmap; 33951da177e4SLinus Torvalds } 3396e8896495SDavid Howells xlen = XDR_QUADLEN(len); 3397e8896495SDavid Howells if (end - p < xlen + 1) 3398e8896495SDavid Howells goto short_pkt; 3399eadf4598STrond Myklebust dprintk("filename = %*s\n", len, (char *)p); 3400e8896495SDavid Howells p += xlen; 34011da177e4SLinus Torvalds len = ntohl(*p++); /* bitmap length */ 3402e8896495SDavid Howells if (end - p < len + 1) 3403e8896495SDavid Howells goto short_pkt; 34041da177e4SLinus Torvalds p += len; 34051da177e4SLinus Torvalds attrlen = XDR_QUADLEN(ntohl(*p++)); 3406e8896495SDavid Howells if (end - p < attrlen + 2) 34071da177e4SLinus Torvalds goto short_pkt; 3408e8896495SDavid Howells p += attrlen; /* attributes */ 34091da177e4SLinus Torvalds entry = p; 34101da177e4SLinus Torvalds } 34117bda2cdfSJeff Layton /* 34127bda2cdfSJeff Layton * Apparently some server sends responses that are a valid size, but 34137bda2cdfSJeff Layton * contain no entries, and have value_follows==0 and EOF==0. For 34147bda2cdfSJeff Layton * those, just set the EOF marker. 34157bda2cdfSJeff Layton */ 34167bda2cdfSJeff Layton if (!nr && entry[1] == 0) { 34177bda2cdfSJeff Layton dprintk("NFS: readdir reply truncated!\n"); 34187bda2cdfSJeff Layton entry[1] = 1; 34197bda2cdfSJeff Layton } 34201da177e4SLinus Torvalds out: 34211da177e4SLinus Torvalds kunmap_atomic(kaddr, KM_USER0); 34221da177e4SLinus Torvalds return 0; 34231da177e4SLinus Torvalds short_pkt: 34247bda2cdfSJeff Layton /* 34257bda2cdfSJeff Layton * When we get a short packet there are 2 possibilities. We can 34267bda2cdfSJeff Layton * return an error, or fix up the response to look like a valid 34277bda2cdfSJeff Layton * response and return what we have so far. If there are no 34287bda2cdfSJeff Layton * entries and the packet was short, then return -EIO. If there 34297bda2cdfSJeff Layton * are valid entries in the response, return them and pretend that 34307bda2cdfSJeff Layton * the call was successful, but incomplete. The caller can retry the 34317bda2cdfSJeff Layton * readdir starting at the last cookie. 34327bda2cdfSJeff Layton */ 34333110ff80SHarvey Harrison dprintk("%s: short packet at entry %d\n", __func__, nr); 34341da177e4SLinus Torvalds entry[0] = entry[1] = 0; 34357bda2cdfSJeff Layton if (nr) 34361da177e4SLinus Torvalds goto out; 34371da177e4SLinus Torvalds err_unmap: 34381da177e4SLinus Torvalds kunmap_atomic(kaddr, KM_USER0); 34391da177e4SLinus Torvalds return -errno_NFSERR_IO; 34401da177e4SLinus Torvalds } 34411da177e4SLinus Torvalds 34421da177e4SLinus Torvalds static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) 34431da177e4SLinus Torvalds { 34441da177e4SLinus Torvalds struct xdr_buf *rcvbuf = &req->rq_rcv_buf; 34451da177e4SLinus Torvalds struct kvec *iov = rcvbuf->head; 3446bcecff77SChuck Lever size_t hdrlen; 3447bcecff77SChuck Lever u32 len, recvd; 34488687b63aSAl Viro __be32 *p; 34491da177e4SLinus Torvalds char *kaddr; 34501da177e4SLinus Torvalds int status; 34511da177e4SLinus Torvalds 34521da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_READLINK); 34531da177e4SLinus Torvalds if (status) 34541da177e4SLinus Torvalds return status; 34551da177e4SLinus Torvalds 34561da177e4SLinus Torvalds /* Convert length of symlink */ 34571da177e4SLinus Torvalds READ_BUF(4); 34581da177e4SLinus Torvalds READ32(len); 34591da177e4SLinus Torvalds if (len >= rcvbuf->page_len || len <= 0) { 3460fe82a183SChuck Lever dprintk("nfs: server returned giant symlink!\n"); 34611da177e4SLinus Torvalds return -ENAMETOOLONG; 34621da177e4SLinus Torvalds } 34631da177e4SLinus Torvalds hdrlen = (char *) xdr->p - (char *) iov->iov_base; 34641da177e4SLinus Torvalds recvd = req->rq_rcv_buf.len - hdrlen; 34651da177e4SLinus Torvalds if (recvd < len) { 3466fe82a183SChuck Lever dprintk("NFS: server cheating in readlink reply: " 34671da177e4SLinus Torvalds "count %u > recvd %u\n", len, recvd); 34681da177e4SLinus Torvalds return -EIO; 34691da177e4SLinus Torvalds } 34701da177e4SLinus Torvalds xdr_read_pages(xdr, len); 34711da177e4SLinus Torvalds /* 34721da177e4SLinus Torvalds * The XDR encode routine has set things up so that 34731da177e4SLinus Torvalds * the link text will be copied directly into the 34741da177e4SLinus Torvalds * buffer. We just have to do overflow-checking, 34751da177e4SLinus Torvalds * and and null-terminate the text (the VFS expects 34761da177e4SLinus Torvalds * null-termination). 34771da177e4SLinus Torvalds */ 34781da177e4SLinus Torvalds kaddr = (char *)kmap_atomic(rcvbuf->pages[0], KM_USER0); 34791da177e4SLinus Torvalds kaddr[len+rcvbuf->page_base] = '\0'; 34801da177e4SLinus Torvalds kunmap_atomic(kaddr, KM_USER0); 34811da177e4SLinus Torvalds return 0; 34821da177e4SLinus Torvalds } 34831da177e4SLinus Torvalds 34841da177e4SLinus Torvalds static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) 34851da177e4SLinus Torvalds { 34861da177e4SLinus Torvalds int status; 34871da177e4SLinus Torvalds 34881da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_REMOVE); 34891da177e4SLinus Torvalds if (status) 34901da177e4SLinus Torvalds goto out; 34911da177e4SLinus Torvalds status = decode_change_info(xdr, cinfo); 34921da177e4SLinus Torvalds out: 34931da177e4SLinus Torvalds return status; 34941da177e4SLinus Torvalds } 34951da177e4SLinus Torvalds 34961da177e4SLinus Torvalds static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, 34971da177e4SLinus Torvalds struct nfs4_change_info *new_cinfo) 34981da177e4SLinus Torvalds { 34991da177e4SLinus Torvalds int status; 35001da177e4SLinus Torvalds 35011da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_RENAME); 35021da177e4SLinus Torvalds if (status) 35031da177e4SLinus Torvalds goto out; 35041da177e4SLinus Torvalds if ((status = decode_change_info(xdr, old_cinfo))) 35051da177e4SLinus Torvalds goto out; 35061da177e4SLinus Torvalds status = decode_change_info(xdr, new_cinfo); 35071da177e4SLinus Torvalds out: 35081da177e4SLinus Torvalds return status; 35091da177e4SLinus Torvalds } 35101da177e4SLinus Torvalds 35111da177e4SLinus Torvalds static int decode_renew(struct xdr_stream *xdr) 35121da177e4SLinus Torvalds { 35131da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_RENEW); 35141da177e4SLinus Torvalds } 35151da177e4SLinus Torvalds 351656ae19f3STrond Myklebust static int 351756ae19f3STrond Myklebust decode_restorefh(struct xdr_stream *xdr) 351856ae19f3STrond Myklebust { 351956ae19f3STrond Myklebust return decode_op_hdr(xdr, OP_RESTOREFH); 352056ae19f3STrond Myklebust } 352156ae19f3STrond Myklebust 3522029d105eSJ. Bruce Fields static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, 3523029d105eSJ. Bruce Fields size_t *acl_len) 3524029d105eSJ. Bruce Fields { 35258687b63aSAl Viro __be32 *savep; 3526029d105eSJ. Bruce Fields uint32_t attrlen, 3527029d105eSJ. Bruce Fields bitmap[2] = {0}; 3528029d105eSJ. Bruce Fields struct kvec *iov = req->rq_rcv_buf.head; 3529029d105eSJ. Bruce Fields int status; 3530029d105eSJ. Bruce Fields 3531029d105eSJ. Bruce Fields *acl_len = 0; 3532029d105eSJ. Bruce Fields if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 3533029d105eSJ. Bruce Fields goto out; 3534029d105eSJ. Bruce Fields if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) 3535029d105eSJ. Bruce Fields goto out; 3536029d105eSJ. Bruce Fields if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 3537029d105eSJ. Bruce Fields goto out; 3538029d105eSJ. Bruce Fields 3539029d105eSJ. Bruce Fields if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) 3540029d105eSJ. Bruce Fields return -EIO; 3541029d105eSJ. Bruce Fields if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { 3542bcecff77SChuck Lever size_t hdrlen; 3543bcecff77SChuck Lever u32 recvd; 3544029d105eSJ. Bruce Fields 3545029d105eSJ. Bruce Fields /* We ignore &savep and don't do consistency checks on 3546029d105eSJ. Bruce Fields * the attr length. Let userspace figure it out.... */ 3547029d105eSJ. Bruce Fields hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; 3548029d105eSJ. Bruce Fields recvd = req->rq_rcv_buf.len - hdrlen; 3549029d105eSJ. Bruce Fields if (attrlen > recvd) { 3550fe82a183SChuck Lever dprintk("NFS: server cheating in getattr" 3551029d105eSJ. Bruce Fields " acl reply: attrlen %u > recvd %u\n", 3552029d105eSJ. Bruce Fields attrlen, recvd); 3553029d105eSJ. Bruce Fields return -EINVAL; 3554029d105eSJ. Bruce Fields } 3555029d105eSJ. Bruce Fields xdr_read_pages(xdr, attrlen); 3556029d105eSJ. Bruce Fields *acl_len = attrlen; 35578c233cf9SJ. Bruce Fields } else 35588c233cf9SJ. Bruce Fields status = -EOPNOTSUPP; 3559029d105eSJ. Bruce Fields 3560029d105eSJ. Bruce Fields out: 3561029d105eSJ. Bruce Fields return status; 3562029d105eSJ. Bruce Fields } 3563029d105eSJ. Bruce Fields 35641da177e4SLinus Torvalds static int 35651da177e4SLinus Torvalds decode_savefh(struct xdr_stream *xdr) 35661da177e4SLinus Torvalds { 35671da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_SAVEFH); 35681da177e4SLinus Torvalds } 35691da177e4SLinus Torvalds 35701da177e4SLinus Torvalds static int decode_setattr(struct xdr_stream *xdr, struct nfs_setattrres *res) 35711da177e4SLinus Torvalds { 35728687b63aSAl Viro __be32 *p; 35731da177e4SLinus Torvalds uint32_t bmlen; 35741da177e4SLinus Torvalds int status; 35751da177e4SLinus Torvalds 35761da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_SETATTR); 35771da177e4SLinus Torvalds if (status) 35781da177e4SLinus Torvalds return status; 35791da177e4SLinus Torvalds READ_BUF(4); 35801da177e4SLinus Torvalds READ32(bmlen); 35811da177e4SLinus Torvalds READ_BUF(bmlen << 2); 35821da177e4SLinus Torvalds return 0; 35831da177e4SLinus Torvalds } 35841da177e4SLinus Torvalds 3585adfa6f98SDavid Howells static int decode_setclientid(struct xdr_stream *xdr, struct nfs_client *clp) 35861da177e4SLinus Torvalds { 35878687b63aSAl Viro __be32 *p; 35881da177e4SLinus Torvalds uint32_t opnum; 35891da177e4SLinus Torvalds int32_t nfserr; 35901da177e4SLinus Torvalds 35911da177e4SLinus Torvalds READ_BUF(8); 35921da177e4SLinus Torvalds READ32(opnum); 35931da177e4SLinus Torvalds if (opnum != OP_SETCLIENTID) { 3594fe82a183SChuck Lever dprintk("nfs: decode_setclientid: Server returned operation" 35951da177e4SLinus Torvalds " %d\n", opnum); 35961da177e4SLinus Torvalds return -EIO; 35971da177e4SLinus Torvalds } 35981da177e4SLinus Torvalds READ32(nfserr); 35991da177e4SLinus Torvalds if (nfserr == NFS_OK) { 36008ae20abdSTrond Myklebust READ_BUF(8 + NFS4_VERIFIER_SIZE); 36011da177e4SLinus Torvalds READ64(clp->cl_clientid); 36028ae20abdSTrond Myklebust COPYMEM(clp->cl_confirm.data, NFS4_VERIFIER_SIZE); 36031da177e4SLinus Torvalds } else if (nfserr == NFSERR_CLID_INUSE) { 36041da177e4SLinus Torvalds uint32_t len; 36051da177e4SLinus Torvalds 36061da177e4SLinus Torvalds /* skip netid string */ 36071da177e4SLinus Torvalds READ_BUF(4); 36081da177e4SLinus Torvalds READ32(len); 36091da177e4SLinus Torvalds READ_BUF(len); 36101da177e4SLinus Torvalds 36111da177e4SLinus Torvalds /* skip uaddr string */ 36121da177e4SLinus Torvalds READ_BUF(4); 36131da177e4SLinus Torvalds READ32(len); 36141da177e4SLinus Torvalds READ_BUF(len); 36151da177e4SLinus Torvalds return -NFSERR_CLID_INUSE; 36161da177e4SLinus Torvalds } else 3617856dff3dSBenny Halevy return nfs4_stat_to_errno(nfserr); 36181da177e4SLinus Torvalds 36191da177e4SLinus Torvalds return 0; 36201da177e4SLinus Torvalds } 36211da177e4SLinus Torvalds 36221da177e4SLinus Torvalds static int decode_setclientid_confirm(struct xdr_stream *xdr) 36231da177e4SLinus Torvalds { 36241da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); 36251da177e4SLinus Torvalds } 36261da177e4SLinus Torvalds 36271da177e4SLinus Torvalds static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) 36281da177e4SLinus Torvalds { 36298687b63aSAl Viro __be32 *p; 36301da177e4SLinus Torvalds int status; 36311da177e4SLinus Torvalds 36321da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_WRITE); 36331da177e4SLinus Torvalds if (status) 36341da177e4SLinus Torvalds return status; 36351da177e4SLinus Torvalds 36361da177e4SLinus Torvalds READ_BUF(16); 36371da177e4SLinus Torvalds READ32(res->count); 36381da177e4SLinus Torvalds READ32(res->verf->committed); 36391da177e4SLinus Torvalds COPYMEM(res->verf->verifier, 8); 36401da177e4SLinus Torvalds return 0; 36411da177e4SLinus Torvalds } 36421da177e4SLinus Torvalds 36431da177e4SLinus Torvalds static int decode_delegreturn(struct xdr_stream *xdr) 36441da177e4SLinus Torvalds { 36451da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_DELEGRETURN); 36461da177e4SLinus Torvalds } 36471da177e4SLinus Torvalds 36481da177e4SLinus Torvalds /* 364949c2559eSBenny Halevy * END OF "GENERIC" DECODE ROUTINES. 365049c2559eSBenny Halevy */ 365149c2559eSBenny Halevy 365249c2559eSBenny Halevy /* 36531da177e4SLinus Torvalds * Decode OPEN_DOWNGRADE response 36541da177e4SLinus Torvalds */ 36558687b63aSAl Viro static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res) 36561da177e4SLinus Torvalds { 36571da177e4SLinus Torvalds struct xdr_stream xdr; 36581da177e4SLinus Torvalds struct compound_hdr hdr; 36591da177e4SLinus Torvalds int status; 36601da177e4SLinus Torvalds 36611da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 36621da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 36631da177e4SLinus Torvalds if (status) 36641da177e4SLinus Torvalds goto out; 36651da177e4SLinus Torvalds status = decode_putfh(&xdr); 36661da177e4SLinus Torvalds if (status) 36671da177e4SLinus Torvalds goto out; 36681da177e4SLinus Torvalds status = decode_open_downgrade(&xdr, res); 3669516a6af6STrond Myklebust if (status != 0) 3670516a6af6STrond Myklebust goto out; 3671516a6af6STrond Myklebust decode_getfattr(&xdr, res->fattr, res->server); 36721da177e4SLinus Torvalds out: 36731da177e4SLinus Torvalds return status; 36741da177e4SLinus Torvalds } 36751da177e4SLinus Torvalds 36761da177e4SLinus Torvalds /* 36771da177e4SLinus Torvalds * Decode ACCESS response 36781da177e4SLinus Torvalds */ 36798687b63aSAl Viro static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_accessres *res) 36801da177e4SLinus Torvalds { 36811da177e4SLinus Torvalds struct xdr_stream xdr; 36821da177e4SLinus Torvalds struct compound_hdr hdr; 36831da177e4SLinus Torvalds int status; 36841da177e4SLinus Torvalds 36851da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 36861da177e4SLinus Torvalds if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) 36871da177e4SLinus Torvalds goto out; 368876b32999STrond Myklebust status = decode_putfh(&xdr); 368976b32999STrond Myklebust if (status != 0) 369076b32999STrond Myklebust goto out; 36911da177e4SLinus Torvalds status = decode_access(&xdr, res); 369276b32999STrond Myklebust if (status != 0) 369376b32999STrond Myklebust goto out; 369476b32999STrond Myklebust decode_getfattr(&xdr, res->fattr, res->server); 36951da177e4SLinus Torvalds out: 36961da177e4SLinus Torvalds return status; 36971da177e4SLinus Torvalds } 36981da177e4SLinus Torvalds 36991da177e4SLinus Torvalds /* 37001da177e4SLinus Torvalds * Decode LOOKUP response 37011da177e4SLinus Torvalds */ 37028687b63aSAl Viro static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res) 37031da177e4SLinus Torvalds { 37041da177e4SLinus Torvalds struct xdr_stream xdr; 37051da177e4SLinus Torvalds struct compound_hdr hdr; 37061da177e4SLinus Torvalds int status; 37071da177e4SLinus Torvalds 37081da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 37091da177e4SLinus Torvalds if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) 37101da177e4SLinus Torvalds goto out; 37111da177e4SLinus Torvalds if ((status = decode_putfh(&xdr)) != 0) 37121da177e4SLinus Torvalds goto out; 37131da177e4SLinus Torvalds if ((status = decode_lookup(&xdr)) != 0) 37141da177e4SLinus Torvalds goto out; 37151da177e4SLinus Torvalds if ((status = decode_getfh(&xdr, res->fh)) != 0) 37161da177e4SLinus Torvalds goto out; 37171da177e4SLinus Torvalds status = decode_getfattr(&xdr, res->fattr, res->server); 37181da177e4SLinus Torvalds out: 37191da177e4SLinus Torvalds return status; 37201da177e4SLinus Torvalds } 37211da177e4SLinus Torvalds 37221da177e4SLinus Torvalds /* 37231da177e4SLinus Torvalds * Decode LOOKUP_ROOT response 37241da177e4SLinus Torvalds */ 37258687b63aSAl Viro static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res) 37261da177e4SLinus Torvalds { 37271da177e4SLinus Torvalds struct xdr_stream xdr; 37281da177e4SLinus Torvalds struct compound_hdr hdr; 37291da177e4SLinus Torvalds int status; 37301da177e4SLinus Torvalds 37311da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 37321da177e4SLinus Torvalds if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) 37331da177e4SLinus Torvalds goto out; 37341da177e4SLinus Torvalds if ((status = decode_putrootfh(&xdr)) != 0) 37351da177e4SLinus Torvalds goto out; 37361da177e4SLinus Torvalds if ((status = decode_getfh(&xdr, res->fh)) == 0) 37371da177e4SLinus Torvalds status = decode_getfattr(&xdr, res->fattr, res->server); 37381da177e4SLinus Torvalds out: 37391da177e4SLinus Torvalds return status; 37401da177e4SLinus Torvalds } 37411da177e4SLinus Torvalds 37421da177e4SLinus Torvalds /* 37431da177e4SLinus Torvalds * Decode REMOVE response 37441da177e4SLinus Torvalds */ 37454fdc17b2STrond Myklebust static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, __be32 *p, struct nfs_removeres *res) 37461da177e4SLinus Torvalds { 37471da177e4SLinus Torvalds struct xdr_stream xdr; 37481da177e4SLinus Torvalds struct compound_hdr hdr; 37491da177e4SLinus Torvalds int status; 37501da177e4SLinus Torvalds 37511da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 37521da177e4SLinus Torvalds if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) 37531da177e4SLinus Torvalds goto out; 375416e42959STrond Myklebust if ((status = decode_putfh(&xdr)) != 0) 375516e42959STrond Myklebust goto out; 375616e42959STrond Myklebust if ((status = decode_remove(&xdr, &res->cinfo)) != 0) 375716e42959STrond Myklebust goto out; 37584fdc17b2STrond Myklebust decode_getfattr(&xdr, &res->dir_attr, res->server); 37591da177e4SLinus Torvalds out: 37601da177e4SLinus Torvalds return status; 37611da177e4SLinus Torvalds } 37621da177e4SLinus Torvalds 37631da177e4SLinus Torvalds /* 37641da177e4SLinus Torvalds * Decode RENAME response 37651da177e4SLinus Torvalds */ 37668687b63aSAl Viro static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_rename_res *res) 37671da177e4SLinus Torvalds { 37681da177e4SLinus Torvalds struct xdr_stream xdr; 37691da177e4SLinus Torvalds struct compound_hdr hdr; 37701da177e4SLinus Torvalds int status; 37711da177e4SLinus Torvalds 37721da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 37731da177e4SLinus Torvalds if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) 37741da177e4SLinus Torvalds goto out; 37751da177e4SLinus Torvalds if ((status = decode_putfh(&xdr)) != 0) 37761da177e4SLinus Torvalds goto out; 37771da177e4SLinus Torvalds if ((status = decode_savefh(&xdr)) != 0) 37781da177e4SLinus Torvalds goto out; 37791da177e4SLinus Torvalds if ((status = decode_putfh(&xdr)) != 0) 37801da177e4SLinus Torvalds goto out; 37816caf2c82STrond Myklebust if ((status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo)) != 0) 37826caf2c82STrond Myklebust goto out; 37836caf2c82STrond Myklebust /* Current FH is target directory */ 37846caf2c82STrond Myklebust if (decode_getfattr(&xdr, res->new_fattr, res->server) != 0) 37856caf2c82STrond Myklebust goto out; 37866caf2c82STrond Myklebust if ((status = decode_restorefh(&xdr)) != 0) 37876caf2c82STrond Myklebust goto out; 37886caf2c82STrond Myklebust decode_getfattr(&xdr, res->old_fattr, res->server); 37891da177e4SLinus Torvalds out: 37901da177e4SLinus Torvalds return status; 37911da177e4SLinus Torvalds } 37921da177e4SLinus Torvalds 37931da177e4SLinus Torvalds /* 37941da177e4SLinus Torvalds * Decode LINK response 37951da177e4SLinus Torvalds */ 37968687b63aSAl Viro static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_link_res *res) 37971da177e4SLinus Torvalds { 37981da177e4SLinus Torvalds struct xdr_stream xdr; 37991da177e4SLinus Torvalds struct compound_hdr hdr; 38001da177e4SLinus Torvalds int status; 38011da177e4SLinus Torvalds 38021da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 38031da177e4SLinus Torvalds if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) 38041da177e4SLinus Torvalds goto out; 38051da177e4SLinus Torvalds if ((status = decode_putfh(&xdr)) != 0) 38061da177e4SLinus Torvalds goto out; 38071da177e4SLinus Torvalds if ((status = decode_savefh(&xdr)) != 0) 38081da177e4SLinus Torvalds goto out; 38091da177e4SLinus Torvalds if ((status = decode_putfh(&xdr)) != 0) 38101da177e4SLinus Torvalds goto out; 381191ba2eeeSTrond Myklebust if ((status = decode_link(&xdr, &res->cinfo)) != 0) 381291ba2eeeSTrond Myklebust goto out; 381391ba2eeeSTrond Myklebust /* 381491ba2eeeSTrond Myklebust * Note order: OP_LINK leaves the directory as the current 381591ba2eeeSTrond Myklebust * filehandle. 381691ba2eeeSTrond Myklebust */ 381791ba2eeeSTrond Myklebust if (decode_getfattr(&xdr, res->dir_attr, res->server) != 0) 381891ba2eeeSTrond Myklebust goto out; 381991ba2eeeSTrond Myklebust if ((status = decode_restorefh(&xdr)) != 0) 382091ba2eeeSTrond Myklebust goto out; 382191ba2eeeSTrond Myklebust decode_getfattr(&xdr, res->fattr, res->server); 38221da177e4SLinus Torvalds out: 38231da177e4SLinus Torvalds return status; 38241da177e4SLinus Torvalds } 38251da177e4SLinus Torvalds 38261da177e4SLinus Torvalds /* 38271da177e4SLinus Torvalds * Decode CREATE response 38281da177e4SLinus Torvalds */ 38298687b63aSAl Viro static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res) 38301da177e4SLinus Torvalds { 38311da177e4SLinus Torvalds struct xdr_stream xdr; 38321da177e4SLinus Torvalds struct compound_hdr hdr; 38331da177e4SLinus Torvalds int status; 38341da177e4SLinus Torvalds 38351da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 38361da177e4SLinus Torvalds if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) 38371da177e4SLinus Torvalds goto out; 38381da177e4SLinus Torvalds if ((status = decode_putfh(&xdr)) != 0) 38391da177e4SLinus Torvalds goto out; 384056ae19f3STrond Myklebust if ((status = decode_savefh(&xdr)) != 0) 384156ae19f3STrond Myklebust goto out; 38421da177e4SLinus Torvalds if ((status = decode_create(&xdr,&res->dir_cinfo)) != 0) 38431da177e4SLinus Torvalds goto out; 38441da177e4SLinus Torvalds if ((status = decode_getfh(&xdr, res->fh)) != 0) 38451da177e4SLinus Torvalds goto out; 384656ae19f3STrond Myklebust if (decode_getfattr(&xdr, res->fattr, res->server) != 0) 384756ae19f3STrond Myklebust goto out; 384856ae19f3STrond Myklebust if ((status = decode_restorefh(&xdr)) != 0) 384956ae19f3STrond Myklebust goto out; 385056ae19f3STrond Myklebust decode_getfattr(&xdr, res->dir_fattr, res->server); 38511da177e4SLinus Torvalds out: 38521da177e4SLinus Torvalds return status; 38531da177e4SLinus Torvalds } 38541da177e4SLinus Torvalds 38551da177e4SLinus Torvalds /* 38561da177e4SLinus Torvalds * Decode SYMLINK response 38571da177e4SLinus Torvalds */ 38588687b63aSAl Viro static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res) 38591da177e4SLinus Torvalds { 38601da177e4SLinus Torvalds return nfs4_xdr_dec_create(rqstp, p, res); 38611da177e4SLinus Torvalds } 38621da177e4SLinus Torvalds 38631da177e4SLinus Torvalds /* 38641da177e4SLinus Torvalds * Decode GETATTR response 38651da177e4SLinus Torvalds */ 38668687b63aSAl Viro static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_getattr_res *res) 38671da177e4SLinus Torvalds { 38681da177e4SLinus Torvalds struct xdr_stream xdr; 38691da177e4SLinus Torvalds struct compound_hdr hdr; 38701da177e4SLinus Torvalds int status; 38711da177e4SLinus Torvalds 38721da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 38731da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 38741da177e4SLinus Torvalds if (status) 38751da177e4SLinus Torvalds goto out; 38761da177e4SLinus Torvalds status = decode_putfh(&xdr); 38771da177e4SLinus Torvalds if (status) 38781da177e4SLinus Torvalds goto out; 38791da177e4SLinus Torvalds status = decode_getfattr(&xdr, res->fattr, res->server); 38801da177e4SLinus Torvalds out: 38811da177e4SLinus Torvalds return status; 38821da177e4SLinus Torvalds } 38831da177e4SLinus Torvalds 388423ec6965SJ. Bruce Fields /* 388523ec6965SJ. Bruce Fields * Encode an SETACL request 388623ec6965SJ. Bruce Fields */ 388723ec6965SJ. Bruce Fields static int 38888687b63aSAl Viro nfs4_xdr_enc_setacl(struct rpc_rqst *req, __be32 *p, struct nfs_setaclargs *args) 388923ec6965SJ. Bruce Fields { 389023ec6965SJ. Bruce Fields struct xdr_stream xdr; 389123ec6965SJ. Bruce Fields struct compound_hdr hdr = { 3892d017931cSAndy Adamson .nops = 0, 389323ec6965SJ. Bruce Fields }; 389423ec6965SJ. Bruce Fields int status; 389523ec6965SJ. Bruce Fields 389623ec6965SJ. Bruce Fields xdr_init_encode(&xdr, &req->rq_snd_buf, p); 389723ec6965SJ. Bruce Fields encode_compound_hdr(&xdr, &hdr); 3898cf8cdbe5SAndy Adamson encode_putfh(&xdr, args->fh, &hdr); 3899d017931cSAndy Adamson status = encode_setacl(&xdr, args, &hdr); 3900d017931cSAndy Adamson encode_nops(&hdr); 390123ec6965SJ. Bruce Fields return status; 390223ec6965SJ. Bruce Fields } 390305d564feSAndy Adamson 390423ec6965SJ. Bruce Fields /* 390523ec6965SJ. Bruce Fields * Decode SETACL response 390623ec6965SJ. Bruce Fields */ 390723ec6965SJ. Bruce Fields static int 39088687b63aSAl Viro nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, __be32 *p, void *res) 390923ec6965SJ. Bruce Fields { 391023ec6965SJ. Bruce Fields struct xdr_stream xdr; 391123ec6965SJ. Bruce Fields struct compound_hdr hdr; 391223ec6965SJ. Bruce Fields int status; 391323ec6965SJ. Bruce Fields 391423ec6965SJ. Bruce Fields xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 391523ec6965SJ. Bruce Fields status = decode_compound_hdr(&xdr, &hdr); 391623ec6965SJ. Bruce Fields if (status) 391723ec6965SJ. Bruce Fields goto out; 391823ec6965SJ. Bruce Fields status = decode_putfh(&xdr); 391923ec6965SJ. Bruce Fields if (status) 392023ec6965SJ. Bruce Fields goto out; 392123ec6965SJ. Bruce Fields status = decode_setattr(&xdr, res); 392223ec6965SJ. Bruce Fields out: 392323ec6965SJ. Bruce Fields return status; 392423ec6965SJ. Bruce Fields } 39251da177e4SLinus Torvalds 39261da177e4SLinus Torvalds /* 3927029d105eSJ. Bruce Fields * Decode GETACL response 3928029d105eSJ. Bruce Fields */ 3929029d105eSJ. Bruce Fields static int 39308687b63aSAl Viro nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, __be32 *p, size_t *acl_len) 3931029d105eSJ. Bruce Fields { 3932029d105eSJ. Bruce Fields struct xdr_stream xdr; 3933029d105eSJ. Bruce Fields struct compound_hdr hdr; 3934029d105eSJ. Bruce Fields int status; 3935029d105eSJ. Bruce Fields 3936029d105eSJ. Bruce Fields xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 3937029d105eSJ. Bruce Fields status = decode_compound_hdr(&xdr, &hdr); 3938029d105eSJ. Bruce Fields if (status) 3939029d105eSJ. Bruce Fields goto out; 3940029d105eSJ. Bruce Fields status = decode_putfh(&xdr); 3941029d105eSJ. Bruce Fields if (status) 3942029d105eSJ. Bruce Fields goto out; 3943029d105eSJ. Bruce Fields status = decode_getacl(&xdr, rqstp, acl_len); 3944029d105eSJ. Bruce Fields 3945029d105eSJ. Bruce Fields out: 3946029d105eSJ. Bruce Fields return status; 3947029d105eSJ. Bruce Fields } 3948029d105eSJ. Bruce Fields 3949029d105eSJ. Bruce Fields /* 39501da177e4SLinus Torvalds * Decode CLOSE response 39511da177e4SLinus Torvalds */ 39528687b63aSAl Viro static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res) 39531da177e4SLinus Torvalds { 39541da177e4SLinus Torvalds struct xdr_stream xdr; 39551da177e4SLinus Torvalds struct compound_hdr hdr; 39561da177e4SLinus Torvalds int status; 39571da177e4SLinus Torvalds 39581da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 39591da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 39601da177e4SLinus Torvalds if (status) 39611da177e4SLinus Torvalds goto out; 39621da177e4SLinus Torvalds status = decode_putfh(&xdr); 39631da177e4SLinus Torvalds if (status) 39641da177e4SLinus Torvalds goto out; 39651da177e4SLinus Torvalds status = decode_close(&xdr, res); 3966516a6af6STrond Myklebust if (status != 0) 3967516a6af6STrond Myklebust goto out; 3968516a6af6STrond Myklebust /* 3969516a6af6STrond Myklebust * Note: Server may do delete on close for this file 3970516a6af6STrond Myklebust * in which case the getattr call will fail with 3971516a6af6STrond Myklebust * an ESTALE error. Shouldn't be a problem, 3972516a6af6STrond Myklebust * though, since fattr->valid will remain unset. 3973516a6af6STrond Myklebust */ 3974516a6af6STrond Myklebust decode_getfattr(&xdr, res->fattr, res->server); 39751da177e4SLinus Torvalds out: 39761da177e4SLinus Torvalds return status; 39771da177e4SLinus Torvalds } 39781da177e4SLinus Torvalds 39791da177e4SLinus Torvalds /* 39801da177e4SLinus Torvalds * Decode OPEN response 39811da177e4SLinus Torvalds */ 39828687b63aSAl Viro static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res) 39831da177e4SLinus Torvalds { 39841da177e4SLinus Torvalds struct xdr_stream xdr; 39851da177e4SLinus Torvalds struct compound_hdr hdr; 39861da177e4SLinus Torvalds int status; 39871da177e4SLinus Torvalds 39881da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 39891da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 39901da177e4SLinus Torvalds if (status) 39911da177e4SLinus Torvalds goto out; 39921da177e4SLinus Torvalds status = decode_putfh(&xdr); 39931da177e4SLinus Torvalds if (status) 39941da177e4SLinus Torvalds goto out; 399556ae19f3STrond Myklebust status = decode_savefh(&xdr); 399656ae19f3STrond Myklebust if (status) 399756ae19f3STrond Myklebust goto out; 39981da177e4SLinus Torvalds status = decode_open(&xdr, res); 39991da177e4SLinus Torvalds if (status) 40001da177e4SLinus Torvalds goto out; 40019936781dSTrond Myklebust if (decode_getfh(&xdr, &res->fh) != 0) 40021da177e4SLinus Torvalds goto out; 400356ae19f3STrond Myklebust if (decode_getfattr(&xdr, res->f_attr, res->server) != 0) 400456ae19f3STrond Myklebust goto out; 4005365c8f58STrond Myklebust if (decode_restorefh(&xdr) != 0) 400656ae19f3STrond Myklebust goto out; 400756ae19f3STrond Myklebust decode_getfattr(&xdr, res->dir_attr, res->server); 40081da177e4SLinus Torvalds out: 40091da177e4SLinus Torvalds return status; 40101da177e4SLinus Torvalds } 40111da177e4SLinus Torvalds 40121da177e4SLinus Torvalds /* 40131da177e4SLinus Torvalds * Decode OPEN_CONFIRM response 40141da177e4SLinus Torvalds */ 40158687b63aSAl Viro static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, __be32 *p, struct nfs_open_confirmres *res) 40161da177e4SLinus Torvalds { 40171da177e4SLinus Torvalds struct xdr_stream xdr; 40181da177e4SLinus Torvalds struct compound_hdr hdr; 40191da177e4SLinus Torvalds int status; 40201da177e4SLinus Torvalds 40211da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 40221da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 40231da177e4SLinus Torvalds if (status) 40241da177e4SLinus Torvalds goto out; 40251da177e4SLinus Torvalds status = decode_putfh(&xdr); 40261da177e4SLinus Torvalds if (status) 40271da177e4SLinus Torvalds goto out; 40281da177e4SLinus Torvalds status = decode_open_confirm(&xdr, res); 40291da177e4SLinus Torvalds out: 40301da177e4SLinus Torvalds return status; 40311da177e4SLinus Torvalds } 40321da177e4SLinus Torvalds 40331da177e4SLinus Torvalds /* 40341da177e4SLinus Torvalds * Decode OPEN response 40351da177e4SLinus Torvalds */ 40368687b63aSAl Viro static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res) 40371da177e4SLinus Torvalds { 40381da177e4SLinus Torvalds struct xdr_stream xdr; 40391da177e4SLinus Torvalds struct compound_hdr hdr; 40401da177e4SLinus Torvalds int status; 40411da177e4SLinus Torvalds 40421da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 40431da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 40441da177e4SLinus Torvalds if (status) 40451da177e4SLinus Torvalds goto out; 40461da177e4SLinus Torvalds status = decode_putfh(&xdr); 40471da177e4SLinus Torvalds if (status) 40481da177e4SLinus Torvalds goto out; 40491da177e4SLinus Torvalds status = decode_open(&xdr, res); 4050864472e9STrond Myklebust if (status) 4051864472e9STrond Myklebust goto out; 4052864472e9STrond Myklebust decode_getfattr(&xdr, res->f_attr, res->server); 40531da177e4SLinus Torvalds out: 40541da177e4SLinus Torvalds return status; 40551da177e4SLinus Torvalds } 40561da177e4SLinus Torvalds 40571da177e4SLinus Torvalds /* 40581da177e4SLinus Torvalds * Decode SETATTR response 40591da177e4SLinus Torvalds */ 40608687b63aSAl Viro static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_setattrres *res) 40611da177e4SLinus Torvalds { 40621da177e4SLinus Torvalds struct xdr_stream xdr; 40631da177e4SLinus Torvalds struct compound_hdr hdr; 40641da177e4SLinus Torvalds int status; 40651da177e4SLinus Torvalds 40661da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 40671da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 40681da177e4SLinus Torvalds if (status) 40691da177e4SLinus Torvalds goto out; 40701da177e4SLinus Torvalds status = decode_putfh(&xdr); 40711da177e4SLinus Torvalds if (status) 40721da177e4SLinus Torvalds goto out; 40731da177e4SLinus Torvalds status = decode_setattr(&xdr, res); 40741da177e4SLinus Torvalds if (status) 40751da177e4SLinus Torvalds goto out; 407678f945f8STrond Myklebust decode_getfattr(&xdr, res->fattr, res->server); 40771da177e4SLinus Torvalds out: 40781da177e4SLinus Torvalds return status; 40791da177e4SLinus Torvalds } 40801da177e4SLinus Torvalds 40811da177e4SLinus Torvalds /* 40821da177e4SLinus Torvalds * Decode LOCK response 40831da177e4SLinus Torvalds */ 40848687b63aSAl Viro static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lock_res *res) 40851da177e4SLinus Torvalds { 40861da177e4SLinus Torvalds struct xdr_stream xdr; 40871da177e4SLinus Torvalds struct compound_hdr hdr; 40881da177e4SLinus Torvalds int status; 40891da177e4SLinus Torvalds 40901da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 40911da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 40921da177e4SLinus Torvalds if (status) 40931da177e4SLinus Torvalds goto out; 40941da177e4SLinus Torvalds status = decode_putfh(&xdr); 40951da177e4SLinus Torvalds if (status) 40961da177e4SLinus Torvalds goto out; 40971da177e4SLinus Torvalds status = decode_lock(&xdr, res); 40981da177e4SLinus Torvalds out: 40991da177e4SLinus Torvalds return status; 41001da177e4SLinus Torvalds } 41011da177e4SLinus Torvalds 41021da177e4SLinus Torvalds /* 41031da177e4SLinus Torvalds * Decode LOCKT response 41041da177e4SLinus Torvalds */ 41058687b63aSAl Viro static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lockt_res *res) 41061da177e4SLinus Torvalds { 41071da177e4SLinus Torvalds struct xdr_stream xdr; 41081da177e4SLinus Torvalds struct compound_hdr hdr; 41091da177e4SLinus Torvalds int status; 41101da177e4SLinus Torvalds 41111da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 41121da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 41131da177e4SLinus Torvalds if (status) 41141da177e4SLinus Torvalds goto out; 41151da177e4SLinus Torvalds status = decode_putfh(&xdr); 41161da177e4SLinus Torvalds if (status) 41171da177e4SLinus Torvalds goto out; 41181da177e4SLinus Torvalds status = decode_lockt(&xdr, res); 41191da177e4SLinus Torvalds out: 41201da177e4SLinus Torvalds return status; 41211da177e4SLinus Torvalds } 41221da177e4SLinus Torvalds 41231da177e4SLinus Torvalds /* 41241da177e4SLinus Torvalds * Decode LOCKU response 41251da177e4SLinus Torvalds */ 41268687b63aSAl Viro static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, __be32 *p, struct nfs_locku_res *res) 41271da177e4SLinus Torvalds { 41281da177e4SLinus Torvalds struct xdr_stream xdr; 41291da177e4SLinus Torvalds struct compound_hdr hdr; 41301da177e4SLinus Torvalds int status; 41311da177e4SLinus Torvalds 41321da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 41331da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 41341da177e4SLinus Torvalds if (status) 41351da177e4SLinus Torvalds goto out; 41361da177e4SLinus Torvalds status = decode_putfh(&xdr); 41371da177e4SLinus Torvalds if (status) 41381da177e4SLinus Torvalds goto out; 41391da177e4SLinus Torvalds status = decode_locku(&xdr, res); 41401da177e4SLinus Torvalds out: 41411da177e4SLinus Torvalds return status; 41421da177e4SLinus Torvalds } 41431da177e4SLinus Torvalds 41441da177e4SLinus Torvalds /* 41451da177e4SLinus Torvalds * Decode READLINK response 41461da177e4SLinus Torvalds */ 41478687b63aSAl Viro static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, __be32 *p, void *res) 41481da177e4SLinus Torvalds { 41491da177e4SLinus Torvalds struct xdr_stream xdr; 41501da177e4SLinus Torvalds struct compound_hdr hdr; 41511da177e4SLinus Torvalds int status; 41521da177e4SLinus Torvalds 41531da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 41541da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 41551da177e4SLinus Torvalds if (status) 41561da177e4SLinus Torvalds goto out; 41571da177e4SLinus Torvalds status = decode_putfh(&xdr); 41581da177e4SLinus Torvalds if (status) 41591da177e4SLinus Torvalds goto out; 41601da177e4SLinus Torvalds status = decode_readlink(&xdr, rqstp); 41611da177e4SLinus Torvalds out: 41621da177e4SLinus Torvalds return status; 41631da177e4SLinus Torvalds } 41641da177e4SLinus Torvalds 41651da177e4SLinus Torvalds /* 41661da177e4SLinus Torvalds * Decode READDIR response 41671da177e4SLinus Torvalds */ 41688687b63aSAl Viro static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_readdir_res *res) 41691da177e4SLinus Torvalds { 41701da177e4SLinus Torvalds struct xdr_stream xdr; 41711da177e4SLinus Torvalds struct compound_hdr hdr; 41721da177e4SLinus Torvalds int status; 41731da177e4SLinus Torvalds 41741da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 41751da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 41761da177e4SLinus Torvalds if (status) 41771da177e4SLinus Torvalds goto out; 41781da177e4SLinus Torvalds status = decode_putfh(&xdr); 41791da177e4SLinus Torvalds if (status) 41801da177e4SLinus Torvalds goto out; 41811da177e4SLinus Torvalds status = decode_readdir(&xdr, rqstp, res); 41821da177e4SLinus Torvalds out: 41831da177e4SLinus Torvalds return status; 41841da177e4SLinus Torvalds } 41851da177e4SLinus Torvalds 41861da177e4SLinus Torvalds /* 41871da177e4SLinus Torvalds * Decode Read response 41881da177e4SLinus Torvalds */ 41898687b63aSAl Viro static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, __be32 *p, struct nfs_readres *res) 41901da177e4SLinus Torvalds { 41911da177e4SLinus Torvalds struct xdr_stream xdr; 41921da177e4SLinus Torvalds struct compound_hdr hdr; 41931da177e4SLinus Torvalds int status; 41941da177e4SLinus Torvalds 41951da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 41961da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 41971da177e4SLinus Torvalds if (status) 41981da177e4SLinus Torvalds goto out; 41991da177e4SLinus Torvalds status = decode_putfh(&xdr); 42001da177e4SLinus Torvalds if (status) 42011da177e4SLinus Torvalds goto out; 42021da177e4SLinus Torvalds status = decode_read(&xdr, rqstp, res); 42031da177e4SLinus Torvalds if (!status) 42041da177e4SLinus Torvalds status = res->count; 42051da177e4SLinus Torvalds out: 42061da177e4SLinus Torvalds return status; 42071da177e4SLinus Torvalds } 42081da177e4SLinus Torvalds 42091da177e4SLinus Torvalds /* 42101da177e4SLinus Torvalds * Decode WRITE response 42111da177e4SLinus Torvalds */ 42128687b63aSAl Viro static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res) 42131da177e4SLinus Torvalds { 42141da177e4SLinus Torvalds struct xdr_stream xdr; 42151da177e4SLinus Torvalds struct compound_hdr hdr; 42161da177e4SLinus Torvalds int status; 42171da177e4SLinus Torvalds 42181da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 42191da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 42201da177e4SLinus Torvalds if (status) 42211da177e4SLinus Torvalds goto out; 42221da177e4SLinus Torvalds status = decode_putfh(&xdr); 42231da177e4SLinus Torvalds if (status) 42241da177e4SLinus Torvalds goto out; 42251da177e4SLinus Torvalds status = decode_write(&xdr, res); 42264f9838c7STrond Myklebust if (status) 42274f9838c7STrond Myklebust goto out; 42284f9838c7STrond Myklebust decode_getfattr(&xdr, res->fattr, res->server); 42291da177e4SLinus Torvalds if (!status) 42301da177e4SLinus Torvalds status = res->count; 42311da177e4SLinus Torvalds out: 42321da177e4SLinus Torvalds return status; 42331da177e4SLinus Torvalds } 42341da177e4SLinus Torvalds 42351da177e4SLinus Torvalds /* 42361da177e4SLinus Torvalds * Decode COMMIT response 42371da177e4SLinus Torvalds */ 42388687b63aSAl Viro static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res) 42391da177e4SLinus Torvalds { 42401da177e4SLinus Torvalds struct xdr_stream xdr; 42411da177e4SLinus Torvalds struct compound_hdr hdr; 42421da177e4SLinus Torvalds int status; 42431da177e4SLinus Torvalds 42441da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 42451da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 42461da177e4SLinus Torvalds if (status) 42471da177e4SLinus Torvalds goto out; 42481da177e4SLinus Torvalds status = decode_putfh(&xdr); 42491da177e4SLinus Torvalds if (status) 42501da177e4SLinus Torvalds goto out; 42511da177e4SLinus Torvalds status = decode_commit(&xdr, res); 42524f9838c7STrond Myklebust if (status) 42534f9838c7STrond Myklebust goto out; 42544f9838c7STrond Myklebust decode_getfattr(&xdr, res->fattr, res->server); 42551da177e4SLinus Torvalds out: 42561da177e4SLinus Torvalds return status; 42571da177e4SLinus Torvalds } 42581da177e4SLinus Torvalds 42591da177e4SLinus Torvalds /* 42601da177e4SLinus Torvalds * FSINFO request 42611da177e4SLinus Torvalds */ 42628687b63aSAl Viro static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs_fsinfo *fsinfo) 42631da177e4SLinus Torvalds { 42641da177e4SLinus Torvalds struct xdr_stream xdr; 42651da177e4SLinus Torvalds struct compound_hdr hdr; 42661da177e4SLinus Torvalds int status; 42671da177e4SLinus Torvalds 42681da177e4SLinus Torvalds xdr_init_decode(&xdr, &req->rq_rcv_buf, p); 42691da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 42701da177e4SLinus Torvalds if (!status) 42711da177e4SLinus Torvalds status = decode_putfh(&xdr); 42721da177e4SLinus Torvalds if (!status) 42731da177e4SLinus Torvalds status = decode_fsinfo(&xdr, fsinfo); 42741da177e4SLinus Torvalds return status; 42751da177e4SLinus Torvalds } 42761da177e4SLinus Torvalds 42771da177e4SLinus Torvalds /* 42781da177e4SLinus Torvalds * PATHCONF request 42791da177e4SLinus Torvalds */ 42808687b63aSAl Viro static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, __be32 *p, struct nfs_pathconf *pathconf) 42811da177e4SLinus Torvalds { 42821da177e4SLinus Torvalds struct xdr_stream xdr; 42831da177e4SLinus Torvalds struct compound_hdr hdr; 42841da177e4SLinus Torvalds int status; 42851da177e4SLinus Torvalds 42861da177e4SLinus Torvalds xdr_init_decode(&xdr, &req->rq_rcv_buf, p); 42871da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 42881da177e4SLinus Torvalds if (!status) 42891da177e4SLinus Torvalds status = decode_putfh(&xdr); 42901da177e4SLinus Torvalds if (!status) 42911da177e4SLinus Torvalds status = decode_pathconf(&xdr, pathconf); 42921da177e4SLinus Torvalds return status; 42931da177e4SLinus Torvalds } 42941da177e4SLinus Torvalds 42951da177e4SLinus Torvalds /* 42961da177e4SLinus Torvalds * STATFS request 42971da177e4SLinus Torvalds */ 42988687b63aSAl Viro static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, __be32 *p, struct nfs_fsstat *fsstat) 42991da177e4SLinus Torvalds { 43001da177e4SLinus Torvalds struct xdr_stream xdr; 43011da177e4SLinus Torvalds struct compound_hdr hdr; 43021da177e4SLinus Torvalds int status; 43031da177e4SLinus Torvalds 43041da177e4SLinus Torvalds xdr_init_decode(&xdr, &req->rq_rcv_buf, p); 43051da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 43061da177e4SLinus Torvalds if (!status) 43071da177e4SLinus Torvalds status = decode_putfh(&xdr); 43081da177e4SLinus Torvalds if (!status) 43091da177e4SLinus Torvalds status = decode_statfs(&xdr, fsstat); 43101da177e4SLinus Torvalds return status; 43111da177e4SLinus Torvalds } 43121da177e4SLinus Torvalds 43131da177e4SLinus Torvalds /* 43141da177e4SLinus Torvalds * GETATTR_BITMAP request 43151da177e4SLinus Torvalds */ 43168687b63aSAl Viro static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, __be32 *p, struct nfs4_server_caps_res *res) 43171da177e4SLinus Torvalds { 43181da177e4SLinus Torvalds struct xdr_stream xdr; 43191da177e4SLinus Torvalds struct compound_hdr hdr; 43201da177e4SLinus Torvalds int status; 43211da177e4SLinus Torvalds 43221da177e4SLinus Torvalds xdr_init_decode(&xdr, &req->rq_rcv_buf, p); 43231da177e4SLinus Torvalds if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) 43241da177e4SLinus Torvalds goto out; 43251da177e4SLinus Torvalds if ((status = decode_putfh(&xdr)) != 0) 43261da177e4SLinus Torvalds goto out; 43271da177e4SLinus Torvalds status = decode_server_caps(&xdr, res); 43281da177e4SLinus Torvalds out: 43291da177e4SLinus Torvalds return status; 43301da177e4SLinus Torvalds } 43311da177e4SLinus Torvalds 43321da177e4SLinus Torvalds /* 43331da177e4SLinus Torvalds * Decode RENEW response 43341da177e4SLinus Torvalds */ 43358687b63aSAl Viro static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, __be32 *p, void *dummy) 43361da177e4SLinus Torvalds { 43371da177e4SLinus Torvalds struct xdr_stream xdr; 43381da177e4SLinus Torvalds struct compound_hdr hdr; 43391da177e4SLinus Torvalds int status; 43401da177e4SLinus Torvalds 43411da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 43421da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 43431da177e4SLinus Torvalds if (!status) 43441da177e4SLinus Torvalds status = decode_renew(&xdr); 43451da177e4SLinus Torvalds return status; 43461da177e4SLinus Torvalds } 43471da177e4SLinus Torvalds 43481da177e4SLinus Torvalds /* 43491da177e4SLinus Torvalds * a SETCLIENTID request 43501da177e4SLinus Torvalds */ 43518687b63aSAl Viro static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, __be32 *p, 4352adfa6f98SDavid Howells struct nfs_client *clp) 43531da177e4SLinus Torvalds { 43541da177e4SLinus Torvalds struct xdr_stream xdr; 43551da177e4SLinus Torvalds struct compound_hdr hdr; 43561da177e4SLinus Torvalds int status; 43571da177e4SLinus Torvalds 43581da177e4SLinus Torvalds xdr_init_decode(&xdr, &req->rq_rcv_buf, p); 43591da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 43601da177e4SLinus Torvalds if (!status) 43611da177e4SLinus Torvalds status = decode_setclientid(&xdr, clp); 43621da177e4SLinus Torvalds return status; 43631da177e4SLinus Torvalds } 43641da177e4SLinus Torvalds 43651da177e4SLinus Torvalds /* 43661da177e4SLinus Torvalds * a SETCLIENTID_CONFIRM request 43671da177e4SLinus Torvalds */ 43688687b63aSAl Viro static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_fsinfo *fsinfo) 43691da177e4SLinus Torvalds { 43701da177e4SLinus Torvalds struct xdr_stream xdr; 43711da177e4SLinus Torvalds struct compound_hdr hdr; 43721da177e4SLinus Torvalds int status; 43731da177e4SLinus Torvalds 43741da177e4SLinus Torvalds xdr_init_decode(&xdr, &req->rq_rcv_buf, p); 43751da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 43761da177e4SLinus Torvalds if (!status) 43771da177e4SLinus Torvalds status = decode_setclientid_confirm(&xdr); 43781da177e4SLinus Torvalds if (!status) 43791da177e4SLinus Torvalds status = decode_putrootfh(&xdr); 43801da177e4SLinus Torvalds if (!status) 43811da177e4SLinus Torvalds status = decode_fsinfo(&xdr, fsinfo); 43821da177e4SLinus Torvalds return status; 43831da177e4SLinus Torvalds } 43841da177e4SLinus Torvalds 43851da177e4SLinus Torvalds /* 43861da177e4SLinus Torvalds * DELEGRETURN request 43871da177e4SLinus Torvalds */ 43888687b63aSAl Viro static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_delegreturnres *res) 43891da177e4SLinus Torvalds { 43901da177e4SLinus Torvalds struct xdr_stream xdr; 43911da177e4SLinus Torvalds struct compound_hdr hdr; 43921da177e4SLinus Torvalds int status; 43931da177e4SLinus Torvalds 43941da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 43951da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 4396fa178f29STrond Myklebust if (status != 0) 4397fa178f29STrond Myklebust goto out; 43981da177e4SLinus Torvalds status = decode_putfh(&xdr); 4399fa178f29STrond Myklebust if (status != 0) 4400fa178f29STrond Myklebust goto out; 44011da177e4SLinus Torvalds status = decode_delegreturn(&xdr); 4402fa178f29STrond Myklebust decode_getfattr(&xdr, res->fattr, res->server); 4403fa178f29STrond Myklebust out: 44041da177e4SLinus Torvalds return status; 44051da177e4SLinus Torvalds } 44061da177e4SLinus Torvalds 4407683b57b4STrond Myklebust /* 4408683b57b4STrond Myklebust * FS_LOCATIONS request 4409683b57b4STrond Myklebust */ 44108687b63aSAl Viro static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs4_fs_locations *res) 4411683b57b4STrond Myklebust { 4412683b57b4STrond Myklebust struct xdr_stream xdr; 4413683b57b4STrond Myklebust struct compound_hdr hdr; 4414683b57b4STrond Myklebust int status; 4415683b57b4STrond Myklebust 4416683b57b4STrond Myklebust xdr_init_decode(&xdr, &req->rq_rcv_buf, p); 4417683b57b4STrond Myklebust status = decode_compound_hdr(&xdr, &hdr); 4418683b57b4STrond Myklebust if (status != 0) 4419683b57b4STrond Myklebust goto out; 4420683b57b4STrond Myklebust if ((status = decode_putfh(&xdr)) != 0) 4421683b57b4STrond Myklebust goto out; 4422683b57b4STrond Myklebust if ((status = decode_lookup(&xdr)) != 0) 4423683b57b4STrond Myklebust goto out; 4424683b57b4STrond Myklebust xdr_enter_page(&xdr, PAGE_SIZE); 4425683b57b4STrond Myklebust status = decode_getfattr(&xdr, &res->fattr, res->server); 4426683b57b4STrond Myklebust out: 4427683b57b4STrond Myklebust return status; 4428683b57b4STrond Myklebust } 4429683b57b4STrond Myklebust 44300dbb4c67SAl Viro __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus) 44311da177e4SLinus Torvalds { 44321da177e4SLinus Torvalds uint32_t bitmap[2] = {0}; 44331da177e4SLinus Torvalds uint32_t len; 44341da177e4SLinus Torvalds 44351da177e4SLinus Torvalds if (!*p++) { 44361da177e4SLinus Torvalds if (!*p) 44371da177e4SLinus Torvalds return ERR_PTR(-EAGAIN); 44381da177e4SLinus Torvalds entry->eof = 1; 44391da177e4SLinus Torvalds return ERR_PTR(-EBADCOOKIE); 44401da177e4SLinus Torvalds } 44411da177e4SLinus Torvalds 44421da177e4SLinus Torvalds entry->prev_cookie = entry->cookie; 44431da177e4SLinus Torvalds p = xdr_decode_hyper(p, &entry->cookie); 44441da177e4SLinus Torvalds entry->len = ntohl(*p++); 44451da177e4SLinus Torvalds entry->name = (const char *) p; 44461da177e4SLinus Torvalds p += XDR_QUADLEN(entry->len); 44471da177e4SLinus Torvalds 44481da177e4SLinus Torvalds /* 44491da177e4SLinus Torvalds * In case the server doesn't return an inode number, 44501da177e4SLinus Torvalds * we fake one here. (We don't use inode number 0, 44511da177e4SLinus Torvalds * since glibc seems to choke on it...) 44521da177e4SLinus Torvalds */ 44531da177e4SLinus Torvalds entry->ino = 1; 44541da177e4SLinus Torvalds 44551da177e4SLinus Torvalds len = ntohl(*p++); /* bitmap length */ 44561da177e4SLinus Torvalds if (len-- > 0) { 44571da177e4SLinus Torvalds bitmap[0] = ntohl(*p++); 44581da177e4SLinus Torvalds if (len-- > 0) { 44591da177e4SLinus Torvalds bitmap[1] = ntohl(*p++); 44601da177e4SLinus Torvalds p += len; 44611da177e4SLinus Torvalds } 44621da177e4SLinus Torvalds } 44631da177e4SLinus Torvalds len = XDR_QUADLEN(ntohl(*p++)); /* attribute buffer length */ 44641da177e4SLinus Torvalds if (len > 0) { 446597d312d0SManoj Naik if (bitmap[0] & FATTR4_WORD0_RDATTR_ERROR) { 446697d312d0SManoj Naik bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; 446797d312d0SManoj Naik /* Ignore the return value of rdattr_error for now */ 446897d312d0SManoj Naik p++; 446997d312d0SManoj Naik len--; 447097d312d0SManoj Naik } 44711da177e4SLinus Torvalds if (bitmap[0] == 0 && bitmap[1] == FATTR4_WORD1_MOUNTED_ON_FILEID) 44721da177e4SLinus Torvalds xdr_decode_hyper(p, &entry->ino); 44731da177e4SLinus Torvalds else if (bitmap[0] == FATTR4_WORD0_FILEID) 44741da177e4SLinus Torvalds xdr_decode_hyper(p, &entry->ino); 44751da177e4SLinus Torvalds p += len; 44761da177e4SLinus Torvalds } 44771da177e4SLinus Torvalds 44781da177e4SLinus Torvalds entry->eof = !p[0] && p[1]; 44791da177e4SLinus Torvalds return p; 44801da177e4SLinus Torvalds } 44811da177e4SLinus Torvalds 44821da177e4SLinus Torvalds /* 44831da177e4SLinus Torvalds * We need to translate between nfs status return values and 44841da177e4SLinus Torvalds * the local errno values which may not be the same. 44851da177e4SLinus Torvalds */ 44861da177e4SLinus Torvalds static struct { 44871da177e4SLinus Torvalds int stat; 44881da177e4SLinus Torvalds int errno; 44891da177e4SLinus Torvalds } nfs_errtbl[] = { 44901da177e4SLinus Torvalds { NFS4_OK, 0 }, 4491856dff3dSBenny Halevy { NFS4ERR_PERM, -EPERM }, 4492856dff3dSBenny Halevy { NFS4ERR_NOENT, -ENOENT }, 4493856dff3dSBenny Halevy { NFS4ERR_IO, -errno_NFSERR_IO}, 4494856dff3dSBenny Halevy { NFS4ERR_NXIO, -ENXIO }, 4495856dff3dSBenny Halevy { NFS4ERR_ACCESS, -EACCES }, 4496856dff3dSBenny Halevy { NFS4ERR_EXIST, -EEXIST }, 4497856dff3dSBenny Halevy { NFS4ERR_XDEV, -EXDEV }, 4498856dff3dSBenny Halevy { NFS4ERR_NOTDIR, -ENOTDIR }, 4499856dff3dSBenny Halevy { NFS4ERR_ISDIR, -EISDIR }, 4500856dff3dSBenny Halevy { NFS4ERR_INVAL, -EINVAL }, 4501856dff3dSBenny Halevy { NFS4ERR_FBIG, -EFBIG }, 4502856dff3dSBenny Halevy { NFS4ERR_NOSPC, -ENOSPC }, 4503856dff3dSBenny Halevy { NFS4ERR_ROFS, -EROFS }, 4504856dff3dSBenny Halevy { NFS4ERR_MLINK, -EMLINK }, 4505856dff3dSBenny Halevy { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, 4506856dff3dSBenny Halevy { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, 4507856dff3dSBenny Halevy { NFS4ERR_DQUOT, -EDQUOT }, 4508856dff3dSBenny Halevy { NFS4ERR_STALE, -ESTALE }, 4509856dff3dSBenny Halevy { NFS4ERR_BADHANDLE, -EBADHANDLE }, 4510856dff3dSBenny Halevy { NFS4ERR_BADOWNER, -EINVAL }, 4511856dff3dSBenny Halevy { NFS4ERR_BADNAME, -EINVAL }, 4512856dff3dSBenny Halevy { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, 4513856dff3dSBenny Halevy { NFS4ERR_NOTSUPP, -ENOTSUPP }, 4514856dff3dSBenny Halevy { NFS4ERR_TOOSMALL, -ETOOSMALL }, 4515856dff3dSBenny Halevy { NFS4ERR_SERVERFAULT, -ESERVERFAULT }, 4516856dff3dSBenny Halevy { NFS4ERR_BADTYPE, -EBADTYPE }, 4517856dff3dSBenny Halevy { NFS4ERR_LOCKED, -EAGAIN }, 4518856dff3dSBenny Halevy { NFS4ERR_RESOURCE, -EREMOTEIO }, 4519856dff3dSBenny Halevy { NFS4ERR_SYMLINK, -ELOOP }, 4520856dff3dSBenny Halevy { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, 4521856dff3dSBenny Halevy { NFS4ERR_DEADLOCK, -EDEADLK }, 4522856dff3dSBenny Halevy { NFS4ERR_WRONGSEC, -EPERM }, /* FIXME: this needs 45231da177e4SLinus Torvalds * to be handled by a 45241da177e4SLinus Torvalds * middle-layer. 45251da177e4SLinus Torvalds */ 4526856dff3dSBenny Halevy { -1, -EIO } 45271da177e4SLinus Torvalds }; 45281da177e4SLinus Torvalds 45291da177e4SLinus Torvalds /* 45301da177e4SLinus Torvalds * Convert an NFS error code to a local one. 45311da177e4SLinus Torvalds * This one is used jointly by NFSv2 and NFSv3. 45321da177e4SLinus Torvalds */ 45331da177e4SLinus Torvalds static int 45340a8ea437SDavid Howells nfs4_stat_to_errno(int stat) 45351da177e4SLinus Torvalds { 45361da177e4SLinus Torvalds int i; 45371da177e4SLinus Torvalds for (i = 0; nfs_errtbl[i].stat != -1; i++) { 45381da177e4SLinus Torvalds if (nfs_errtbl[i].stat == stat) 45391da177e4SLinus Torvalds return nfs_errtbl[i].errno; 45401da177e4SLinus Torvalds } 45411da177e4SLinus Torvalds if (stat <= 10000 || stat > 10100) { 45421da177e4SLinus Torvalds /* The server is looney tunes. */ 4543856dff3dSBenny Halevy return -ESERVERFAULT; 45441da177e4SLinus Torvalds } 45451da177e4SLinus Torvalds /* If we cannot translate the error, the recovery routines should 45461da177e4SLinus Torvalds * handle it. 45471da177e4SLinus Torvalds * Note: remaining NFSv4 error codes have values > 10000, so should 45481da177e4SLinus Torvalds * not conflict with native Linux error codes. 45491da177e4SLinus Torvalds */ 4550856dff3dSBenny Halevy return -stat; 45511da177e4SLinus Torvalds } 45521da177e4SLinus Torvalds 45531da177e4SLinus Torvalds #define PROC(proc, argtype, restype) \ 45541da177e4SLinus Torvalds [NFSPROC4_CLNT_##proc] = { \ 45551da177e4SLinus Torvalds .p_proc = NFSPROC4_COMPOUND, \ 45561da177e4SLinus Torvalds .p_encode = (kxdrproc_t) nfs4_xdr_##argtype, \ 45571da177e4SLinus Torvalds .p_decode = (kxdrproc_t) nfs4_xdr_##restype, \ 45582bea90d4SChuck Lever .p_arglen = NFS4_##argtype##_sz, \ 45592bea90d4SChuck Lever .p_replen = NFS4_##restype##_sz, \ 4560cc0175c1SChuck Lever .p_statidx = NFSPROC4_CLNT_##proc, \ 4561cc0175c1SChuck Lever .p_name = #proc, \ 45621da177e4SLinus Torvalds } 45631da177e4SLinus Torvalds 45641da177e4SLinus Torvalds struct rpc_procinfo nfs4_procedures[] = { 45651da177e4SLinus Torvalds PROC(READ, enc_read, dec_read), 45661da177e4SLinus Torvalds PROC(WRITE, enc_write, dec_write), 45671da177e4SLinus Torvalds PROC(COMMIT, enc_commit, dec_commit), 45681da177e4SLinus Torvalds PROC(OPEN, enc_open, dec_open), 45691da177e4SLinus Torvalds PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), 45701da177e4SLinus Torvalds PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), 45711da177e4SLinus Torvalds PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), 45721da177e4SLinus Torvalds PROC(CLOSE, enc_close, dec_close), 45731da177e4SLinus Torvalds PROC(SETATTR, enc_setattr, dec_setattr), 45741da177e4SLinus Torvalds PROC(FSINFO, enc_fsinfo, dec_fsinfo), 45751da177e4SLinus Torvalds PROC(RENEW, enc_renew, dec_renew), 45761da177e4SLinus Torvalds PROC(SETCLIENTID, enc_setclientid, dec_setclientid), 45771da177e4SLinus Torvalds PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), 45781da177e4SLinus Torvalds PROC(LOCK, enc_lock, dec_lock), 45791da177e4SLinus Torvalds PROC(LOCKT, enc_lockt, dec_lockt), 45801da177e4SLinus Torvalds PROC(LOCKU, enc_locku, dec_locku), 45811da177e4SLinus Torvalds PROC(ACCESS, enc_access, dec_access), 45821da177e4SLinus Torvalds PROC(GETATTR, enc_getattr, dec_getattr), 45831da177e4SLinus Torvalds PROC(LOOKUP, enc_lookup, dec_lookup), 45841da177e4SLinus Torvalds PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), 45851da177e4SLinus Torvalds PROC(REMOVE, enc_remove, dec_remove), 45861da177e4SLinus Torvalds PROC(RENAME, enc_rename, dec_rename), 45871da177e4SLinus Torvalds PROC(LINK, enc_link, dec_link), 45881da177e4SLinus Torvalds PROC(SYMLINK, enc_symlink, dec_symlink), 45891da177e4SLinus Torvalds PROC(CREATE, enc_create, dec_create), 45901da177e4SLinus Torvalds PROC(PATHCONF, enc_pathconf, dec_pathconf), 45911da177e4SLinus Torvalds PROC(STATFS, enc_statfs, dec_statfs), 45921da177e4SLinus Torvalds PROC(READLINK, enc_readlink, dec_readlink), 45931da177e4SLinus Torvalds PROC(READDIR, enc_readdir, dec_readdir), 45941da177e4SLinus Torvalds PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), 45951da177e4SLinus Torvalds PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), 4596029d105eSJ. Bruce Fields PROC(GETACL, enc_getacl, dec_getacl), 459723ec6965SJ. Bruce Fields PROC(SETACL, enc_setacl, dec_setacl), 4598683b57b4STrond Myklebust PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), 45991da177e4SLinus Torvalds }; 46001da177e4SLinus Torvalds 46011da177e4SLinus Torvalds struct rpc_version nfs_version4 = { 46021da177e4SLinus Torvalds .number = 4, 4603e8c96f8cSTobias Klauser .nrprocs = ARRAY_SIZE(nfs4_procedures), 46041da177e4SLinus Torvalds .procs = nfs4_procedures 46051da177e4SLinus Torvalds }; 46061da177e4SLinus Torvalds 46071da177e4SLinus Torvalds /* 46081da177e4SLinus Torvalds * Local variables: 46091da177e4SLinus Torvalds * c-basic-offset: 8 46101da177e4SLinus Torvalds * End: 46111da177e4SLinus Torvalds */ 4612