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) 751da177e4SLinus Torvalds #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) 761da177e4SLinus Torvalds #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) 771da177e4SLinus Torvalds #define op_encode_hdr_maxsz (1) 781da177e4SLinus Torvalds #define op_decode_hdr_maxsz (2) 791da177e4SLinus Torvalds #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ 801da177e4SLinus Torvalds (NFS4_FHSIZE >> 2)) 811da177e4SLinus Torvalds #define decode_putfh_maxsz (op_decode_hdr_maxsz) 821da177e4SLinus Torvalds #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) 831da177e4SLinus Torvalds #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) 841da177e4SLinus Torvalds #define encode_getfh_maxsz (op_encode_hdr_maxsz) 851da177e4SLinus Torvalds #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ 861da177e4SLinus Torvalds ((3+NFS4_FHSIZE) >> 2)) 8796928206SJ. Bruce Fields #define nfs4_fattr_bitmap_maxsz 3 8896928206SJ. Bruce Fields #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) 891da177e4SLinus Torvalds #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) 901da177e4SLinus Torvalds #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) 91bd625ba8STrond Myklebust #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) 92bd625ba8STrond Myklebust #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) 9396928206SJ. Bruce Fields /* This is based on getfattr, which uses the most attributes: */ 9496928206SJ. Bruce Fields #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ 95bd625ba8STrond Myklebust 3 + 3 + 3 + nfs4_owner_maxsz + nfs4_group_maxsz)) 9696928206SJ. Bruce Fields #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ 9796928206SJ. Bruce Fields nfs4_fattr_value_maxsz) 9896928206SJ. Bruce Fields #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) 991da177e4SLinus Torvalds #define encode_savefh_maxsz (op_encode_hdr_maxsz) 1001da177e4SLinus Torvalds #define decode_savefh_maxsz (op_decode_hdr_maxsz) 10156ae19f3STrond Myklebust #define encode_restorefh_maxsz (op_encode_hdr_maxsz) 10256ae19f3STrond Myklebust #define decode_restorefh_maxsz (op_decode_hdr_maxsz) 1031da177e4SLinus Torvalds #define encode_fsinfo_maxsz (op_encode_hdr_maxsz + 2) 1041da177e4SLinus Torvalds #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 11) 1051da177e4SLinus Torvalds #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) 1061da177e4SLinus Torvalds #define decode_renew_maxsz (op_decode_hdr_maxsz) 1071da177e4SLinus Torvalds #define encode_setclientid_maxsz \ 1081da177e4SLinus Torvalds (op_encode_hdr_maxsz + \ 1091da177e4SLinus Torvalds 4 /*server->ip_addr*/ + \ 1101da177e4SLinus Torvalds 1 /*Netid*/ + \ 1111da177e4SLinus Torvalds 6 /*uaddr*/ + \ 1121da177e4SLinus Torvalds 6 + (NFS4_VERIFIER_SIZE >> 2)) 1131da177e4SLinus Torvalds #define decode_setclientid_maxsz \ 1141da177e4SLinus Torvalds (op_decode_hdr_maxsz + \ 1151da177e4SLinus Torvalds 2 + \ 1161da177e4SLinus Torvalds 1024) /* large value for CLID_INUSE */ 1171da177e4SLinus Torvalds #define encode_setclientid_confirm_maxsz \ 1181da177e4SLinus Torvalds (op_encode_hdr_maxsz + \ 1191da177e4SLinus Torvalds 3 + (NFS4_VERIFIER_SIZE >> 2)) 1201da177e4SLinus Torvalds #define decode_setclientid_confirm_maxsz \ 1211da177e4SLinus Torvalds (op_decode_hdr_maxsz) 122e6889620STrond Myklebust #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) 123e6889620STrond Myklebust #define decode_lookup_maxsz (op_decode_hdr_maxsz) 1242cebf828STrond Myklebust #define encode_share_access_maxsz \ 1252cebf828STrond Myklebust (2) 1262cebf828STrond Myklebust #define encode_createmode_maxsz (1 + nfs4_fattr_maxsz) 1272cebf828STrond Myklebust #define encode_opentype_maxsz (1 + encode_createmode_maxsz) 1282cebf828STrond Myklebust #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) 1292cebf828STrond Myklebust #define encode_open_maxsz (op_encode_hdr_maxsz + \ 1302cebf828STrond Myklebust 2 + encode_share_access_maxsz + 2 + \ 1312cebf828STrond Myklebust open_owner_id_maxsz + \ 1322cebf828STrond Myklebust encode_opentype_maxsz + \ 1332cebf828STrond Myklebust encode_claim_null_maxsz) 1342cebf828STrond Myklebust #define decode_ace_maxsz (3 + nfs4_owner_maxsz) 1352cebf828STrond Myklebust #define decode_delegation_maxsz (1 + XDR_QUADLEN(NFS4_STATEID_SIZE) + 1 + \ 1362cebf828STrond Myklebust decode_ace_maxsz) 1372cebf828STrond Myklebust #define decode_change_info_maxsz (5) 1382cebf828STrond Myklebust #define decode_open_maxsz (op_decode_hdr_maxsz + \ 1392cebf828STrond Myklebust XDR_QUADLEN(NFS4_STATEID_SIZE) + \ 1402cebf828STrond Myklebust decode_change_info_maxsz + 1 + \ 1412cebf828STrond Myklebust nfs4_fattr_bitmap_maxsz + \ 1422cebf828STrond Myklebust decode_delegation_maxsz) 1431da177e4SLinus Torvalds #define encode_remove_maxsz (op_encode_hdr_maxsz + \ 1441da177e4SLinus Torvalds nfs4_name_maxsz) 1451da177e4SLinus Torvalds #define encode_rename_maxsz (op_encode_hdr_maxsz + \ 1461da177e4SLinus Torvalds 2 * nfs4_name_maxsz) 1471da177e4SLinus Torvalds #define decode_rename_maxsz (op_decode_hdr_maxsz + 5 + 5) 1481da177e4SLinus Torvalds #define encode_link_maxsz (op_encode_hdr_maxsz + \ 1491da177e4SLinus Torvalds nfs4_name_maxsz) 1501da177e4SLinus Torvalds #define decode_link_maxsz (op_decode_hdr_maxsz + 5) 1511da177e4SLinus Torvalds #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ 1521da177e4SLinus Torvalds 1 + nfs4_name_maxsz + \ 15394a6d753SChuck Lever 1 + \ 15496928206SJ. Bruce Fields nfs4_fattr_maxsz) 1551da177e4SLinus Torvalds #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) 1561da177e4SLinus Torvalds #define encode_create_maxsz (op_encode_hdr_maxsz + \ 1571da177e4SLinus Torvalds 2 + nfs4_name_maxsz + \ 15896928206SJ. Bruce Fields nfs4_fattr_maxsz) 1592cebf828STrond Myklebust #define decode_create_maxsz (op_decode_hdr_maxsz + \ 1602cebf828STrond Myklebust decode_change_info_maxsz + \ 1612cebf828STrond Myklebust nfs4_fattr_bitmap_maxsz) 1621da177e4SLinus Torvalds #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) 1631da177e4SLinus Torvalds #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) 164e6889620STrond Myklebust #define encode_fs_locations_maxsz \ 165e6889620STrond Myklebust (encode_getattr_maxsz) 166e6889620STrond Myklebust #define decode_fs_locations_maxsz \ 167e6889620STrond Myklebust (0) 1681da177e4SLinus Torvalds #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ 1691da177e4SLinus Torvalds #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ 1701da177e4SLinus Torvalds #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ 1711da177e4SLinus Torvalds encode_putfh_maxsz + \ 1721da177e4SLinus Torvalds op_encode_hdr_maxsz + 7) 1731da177e4SLinus Torvalds #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ 1741da177e4SLinus Torvalds decode_putfh_maxsz + \ 1751da177e4SLinus Torvalds op_decode_hdr_maxsz + 2) 1761da177e4SLinus Torvalds #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ 1771da177e4SLinus Torvalds encode_putfh_maxsz + \ 1781da177e4SLinus Torvalds op_encode_hdr_maxsz) 1791da177e4SLinus Torvalds #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ 1801da177e4SLinus Torvalds decode_putfh_maxsz + \ 1811da177e4SLinus Torvalds op_decode_hdr_maxsz) 1821da177e4SLinus Torvalds #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ 1831da177e4SLinus Torvalds encode_putfh_maxsz + \ 1841da177e4SLinus Torvalds op_encode_hdr_maxsz + 9) 1851da177e4SLinus Torvalds #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ 1861da177e4SLinus Torvalds decode_putfh_maxsz + \ 1871da177e4SLinus Torvalds op_decode_hdr_maxsz + 2) 1881da177e4SLinus Torvalds #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ 1891da177e4SLinus Torvalds encode_putfh_maxsz + \ 1904f9838c7STrond Myklebust op_encode_hdr_maxsz + 8 + \ 1914f9838c7STrond Myklebust encode_getattr_maxsz) 1921da177e4SLinus Torvalds #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ 1931da177e4SLinus Torvalds decode_putfh_maxsz + \ 1944f9838c7STrond Myklebust op_decode_hdr_maxsz + 4 + \ 1954f9838c7STrond Myklebust decode_getattr_maxsz) 1961da177e4SLinus Torvalds #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ 1971da177e4SLinus Torvalds encode_putfh_maxsz + \ 1984f9838c7STrond Myklebust op_encode_hdr_maxsz + 3 + \ 1994f9838c7STrond Myklebust encode_getattr_maxsz) 2001da177e4SLinus Torvalds #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ 2011da177e4SLinus Torvalds decode_putfh_maxsz + \ 2024f9838c7STrond Myklebust op_decode_hdr_maxsz + 2 + \ 2034f9838c7STrond Myklebust decode_getattr_maxsz) 2041da177e4SLinus Torvalds #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ 2051da177e4SLinus Torvalds encode_putfh_maxsz + \ 2062cebf828STrond Myklebust encode_savefh_maxsz + \ 2072cebf828STrond Myklebust encode_open_maxsz + \ 2082cebf828STrond Myklebust encode_getfh_maxsz + \ 2091da177e4SLinus Torvalds encode_getattr_maxsz + \ 2102cebf828STrond Myklebust encode_restorefh_maxsz + \ 2112cebf828STrond Myklebust encode_getattr_maxsz) 2121da177e4SLinus Torvalds #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ 2131da177e4SLinus Torvalds decode_putfh_maxsz + \ 2142cebf828STrond Myklebust decode_savefh_maxsz + \ 2152cebf828STrond Myklebust decode_open_maxsz + \ 2162cebf828STrond Myklebust decode_getfh_maxsz + \ 2171da177e4SLinus Torvalds decode_getattr_maxsz + \ 2182cebf828STrond Myklebust decode_restorefh_maxsz + \ 2192cebf828STrond Myklebust decode_getattr_maxsz) 2201da177e4SLinus Torvalds #define NFS4_enc_open_confirm_sz \ 2211da177e4SLinus Torvalds (compound_encode_hdr_maxsz + \ 2221da177e4SLinus Torvalds encode_putfh_maxsz + \ 2231da177e4SLinus Torvalds op_encode_hdr_maxsz + 5) 2241da177e4SLinus Torvalds #define NFS4_dec_open_confirm_sz (compound_decode_hdr_maxsz + \ 2251da177e4SLinus Torvalds decode_putfh_maxsz + \ 2261da177e4SLinus Torvalds op_decode_hdr_maxsz + 4) 2271da177e4SLinus Torvalds #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ 2281da177e4SLinus Torvalds encode_putfh_maxsz + \ 2292cebf828STrond Myklebust encode_open_maxsz + \ 2302cebf828STrond Myklebust encode_getattr_maxsz) 2311da177e4SLinus Torvalds #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ 2321da177e4SLinus Torvalds decode_putfh_maxsz + \ 2332cebf828STrond Myklebust decode_open_maxsz + \ 2342cebf828STrond Myklebust decode_getattr_maxsz) 2351da177e4SLinus Torvalds #define NFS4_enc_open_downgrade_sz \ 2361da177e4SLinus Torvalds (compound_encode_hdr_maxsz + \ 2371da177e4SLinus Torvalds encode_putfh_maxsz + \ 238516a6af6STrond Myklebust op_encode_hdr_maxsz + 7 + \ 239516a6af6STrond Myklebust encode_getattr_maxsz) 2401da177e4SLinus Torvalds #define NFS4_dec_open_downgrade_sz \ 2411da177e4SLinus Torvalds (compound_decode_hdr_maxsz + \ 2421da177e4SLinus Torvalds decode_putfh_maxsz + \ 243516a6af6STrond Myklebust op_decode_hdr_maxsz + 4 + \ 244516a6af6STrond Myklebust decode_getattr_maxsz) 2451da177e4SLinus Torvalds #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ 2461da177e4SLinus Torvalds encode_putfh_maxsz + \ 247516a6af6STrond Myklebust op_encode_hdr_maxsz + 5 + \ 248516a6af6STrond Myklebust encode_getattr_maxsz) 2491da177e4SLinus Torvalds #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ 2501da177e4SLinus Torvalds decode_putfh_maxsz + \ 251516a6af6STrond Myklebust op_decode_hdr_maxsz + 4 + \ 252516a6af6STrond Myklebust decode_getattr_maxsz) 2531da177e4SLinus Torvalds #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ 2541da177e4SLinus Torvalds encode_putfh_maxsz + \ 2551da177e4SLinus Torvalds op_encode_hdr_maxsz + 4 + \ 25696928206SJ. Bruce Fields nfs4_fattr_maxsz + \ 2571da177e4SLinus Torvalds encode_getattr_maxsz) 2581da177e4SLinus Torvalds #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ 2591da177e4SLinus Torvalds decode_putfh_maxsz + \ 2606ce7dc94SChuck Lever op_decode_hdr_maxsz + 3 + \ 2616ce7dc94SChuck Lever nfs4_fattr_maxsz) 2621da177e4SLinus Torvalds #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ 2631da177e4SLinus Torvalds encode_putfh_maxsz + \ 2641da177e4SLinus Torvalds encode_fsinfo_maxsz) 2651da177e4SLinus Torvalds #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ 2661da177e4SLinus Torvalds decode_putfh_maxsz + \ 2671da177e4SLinus Torvalds decode_fsinfo_maxsz) 2681da177e4SLinus Torvalds #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ 2691da177e4SLinus Torvalds encode_renew_maxsz) 2701da177e4SLinus Torvalds #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ 2711da177e4SLinus Torvalds decode_renew_maxsz) 2721da177e4SLinus Torvalds #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ 2731da177e4SLinus Torvalds encode_setclientid_maxsz) 2741da177e4SLinus Torvalds #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ 2751da177e4SLinus Torvalds decode_setclientid_maxsz) 2761da177e4SLinus Torvalds #define NFS4_enc_setclientid_confirm_sz \ 2771da177e4SLinus Torvalds (compound_encode_hdr_maxsz + \ 2781da177e4SLinus Torvalds encode_setclientid_confirm_maxsz + \ 2791da177e4SLinus Torvalds encode_putrootfh_maxsz + \ 2801da177e4SLinus Torvalds encode_fsinfo_maxsz) 2811da177e4SLinus Torvalds #define NFS4_dec_setclientid_confirm_sz \ 2821da177e4SLinus Torvalds (compound_decode_hdr_maxsz + \ 2831da177e4SLinus Torvalds decode_setclientid_confirm_maxsz + \ 2841da177e4SLinus Torvalds decode_putrootfh_maxsz + \ 2851da177e4SLinus Torvalds decode_fsinfo_maxsz) 2861da177e4SLinus Torvalds #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ 2871da177e4SLinus Torvalds encode_putfh_maxsz + \ 2881da177e4SLinus Torvalds encode_getattr_maxsz + \ 2891da177e4SLinus Torvalds op_encode_hdr_maxsz + \ 2901da177e4SLinus Torvalds 1 + 1 + 2 + 2 + \ 2911da177e4SLinus Torvalds 1 + 4 + 1 + 2 + \ 2922cebf828STrond Myklebust lock_owner_id_maxsz) 2931da177e4SLinus Torvalds #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ 2941da177e4SLinus Torvalds decode_putfh_maxsz + \ 2951da177e4SLinus Torvalds decode_getattr_maxsz + \ 2961da177e4SLinus Torvalds op_decode_hdr_maxsz + \ 2971da177e4SLinus Torvalds 2 + 2 + 1 + 2 + \ 2982cebf828STrond Myklebust lock_owner_id_maxsz) 2991da177e4SLinus Torvalds #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ 3001da177e4SLinus Torvalds encode_putfh_maxsz + \ 3011da177e4SLinus Torvalds encode_getattr_maxsz + \ 3021da177e4SLinus Torvalds op_encode_hdr_maxsz + \ 3031da177e4SLinus Torvalds 1 + 2 + 2 + 2 + \ 3042cebf828STrond Myklebust lock_owner_id_maxsz) 3051da177e4SLinus Torvalds #define NFS4_dec_lockt_sz (NFS4_dec_lock_sz) 3061da177e4SLinus Torvalds #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ 3071da177e4SLinus Torvalds encode_putfh_maxsz + \ 3081da177e4SLinus Torvalds encode_getattr_maxsz + \ 3091da177e4SLinus Torvalds op_encode_hdr_maxsz + \ 3101da177e4SLinus Torvalds 1 + 1 + 4 + 2 + 2) 3111da177e4SLinus Torvalds #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ 3121da177e4SLinus Torvalds decode_putfh_maxsz + \ 3131da177e4SLinus Torvalds decode_getattr_maxsz + \ 3141da177e4SLinus Torvalds op_decode_hdr_maxsz + 4) 3151da177e4SLinus Torvalds #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ 3161da177e4SLinus Torvalds encode_putfh_maxsz + \ 3171da177e4SLinus Torvalds op_encode_hdr_maxsz + 1) 3181da177e4SLinus Torvalds #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ 3191da177e4SLinus Torvalds decode_putfh_maxsz + \ 3201da177e4SLinus Torvalds op_decode_hdr_maxsz + 2) 3211da177e4SLinus Torvalds #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ 3221da177e4SLinus Torvalds encode_putfh_maxsz + \ 3231da177e4SLinus Torvalds encode_getattr_maxsz) 3241da177e4SLinus Torvalds #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ 3251da177e4SLinus Torvalds decode_putfh_maxsz + \ 3261da177e4SLinus Torvalds decode_getattr_maxsz) 3271da177e4SLinus Torvalds #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ 3281da177e4SLinus Torvalds encode_putfh_maxsz + \ 3291da177e4SLinus Torvalds encode_lookup_maxsz + \ 3301da177e4SLinus Torvalds encode_getattr_maxsz + \ 3311da177e4SLinus Torvalds encode_getfh_maxsz) 3321da177e4SLinus Torvalds #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ 3331da177e4SLinus Torvalds decode_putfh_maxsz + \ 334e6889620STrond Myklebust decode_lookup_maxsz + \ 3351da177e4SLinus Torvalds decode_getattr_maxsz + \ 3361da177e4SLinus Torvalds decode_getfh_maxsz) 3371da177e4SLinus Torvalds #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ 3381da177e4SLinus Torvalds encode_putrootfh_maxsz + \ 3391da177e4SLinus Torvalds encode_getattr_maxsz + \ 3401da177e4SLinus Torvalds encode_getfh_maxsz) 3411da177e4SLinus Torvalds #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ 3421da177e4SLinus Torvalds decode_putrootfh_maxsz + \ 3431da177e4SLinus Torvalds decode_getattr_maxsz + \ 3441da177e4SLinus Torvalds decode_getfh_maxsz) 3451da177e4SLinus Torvalds #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ 3461da177e4SLinus Torvalds encode_putfh_maxsz + \ 34716e42959STrond Myklebust encode_remove_maxsz + \ 34816e42959STrond Myklebust encode_getattr_maxsz) 3491da177e4SLinus Torvalds #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ 3501da177e4SLinus Torvalds decode_putfh_maxsz + \ 35116e42959STrond Myklebust op_decode_hdr_maxsz + 5 + \ 35216e42959STrond Myklebust decode_getattr_maxsz) 3531da177e4SLinus Torvalds #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ 3541da177e4SLinus Torvalds encode_putfh_maxsz + \ 3551da177e4SLinus Torvalds encode_savefh_maxsz + \ 3561da177e4SLinus Torvalds encode_putfh_maxsz + \ 3576caf2c82STrond Myklebust encode_rename_maxsz + \ 3586caf2c82STrond Myklebust encode_getattr_maxsz + \ 3596caf2c82STrond Myklebust encode_restorefh_maxsz + \ 3606caf2c82STrond Myklebust encode_getattr_maxsz) 3611da177e4SLinus Torvalds #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ 3621da177e4SLinus Torvalds decode_putfh_maxsz + \ 3631da177e4SLinus Torvalds decode_savefh_maxsz + \ 3641da177e4SLinus Torvalds decode_putfh_maxsz + \ 3656caf2c82STrond Myklebust decode_rename_maxsz + \ 3666caf2c82STrond Myklebust decode_getattr_maxsz + \ 3676caf2c82STrond Myklebust decode_restorefh_maxsz + \ 3686caf2c82STrond Myklebust decode_getattr_maxsz) 3691da177e4SLinus Torvalds #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ 3701da177e4SLinus Torvalds encode_putfh_maxsz + \ 3711da177e4SLinus Torvalds encode_savefh_maxsz + \ 3721da177e4SLinus Torvalds encode_putfh_maxsz + \ 37391ba2eeeSTrond Myklebust encode_link_maxsz + \ 37491ba2eeeSTrond Myklebust decode_getattr_maxsz + \ 37591ba2eeeSTrond Myklebust encode_restorefh_maxsz + \ 37691ba2eeeSTrond Myklebust decode_getattr_maxsz) 3771da177e4SLinus Torvalds #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ 3781da177e4SLinus Torvalds decode_putfh_maxsz + \ 3791da177e4SLinus Torvalds decode_savefh_maxsz + \ 3801da177e4SLinus Torvalds decode_putfh_maxsz + \ 38191ba2eeeSTrond Myklebust decode_link_maxsz + \ 38291ba2eeeSTrond Myklebust decode_getattr_maxsz + \ 38391ba2eeeSTrond Myklebust decode_restorefh_maxsz + \ 38491ba2eeeSTrond Myklebust decode_getattr_maxsz) 3851da177e4SLinus Torvalds #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ 3861da177e4SLinus Torvalds encode_putfh_maxsz + \ 3871da177e4SLinus Torvalds encode_symlink_maxsz + \ 3881da177e4SLinus Torvalds encode_getattr_maxsz + \ 3891da177e4SLinus Torvalds encode_getfh_maxsz) 3901da177e4SLinus Torvalds #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ 3911da177e4SLinus Torvalds decode_putfh_maxsz + \ 3921da177e4SLinus Torvalds decode_symlink_maxsz + \ 3931da177e4SLinus Torvalds decode_getattr_maxsz + \ 3941da177e4SLinus Torvalds decode_getfh_maxsz) 3951da177e4SLinus Torvalds #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ 3961da177e4SLinus Torvalds encode_putfh_maxsz + \ 39756ae19f3STrond Myklebust encode_savefh_maxsz + \ 3981da177e4SLinus Torvalds encode_create_maxsz + \ 39956ae19f3STrond Myklebust encode_getfh_maxsz + \ 4001da177e4SLinus Torvalds encode_getattr_maxsz + \ 40156ae19f3STrond Myklebust encode_restorefh_maxsz + \ 40256ae19f3STrond Myklebust encode_getattr_maxsz) 4031da177e4SLinus Torvalds #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ 4041da177e4SLinus Torvalds decode_putfh_maxsz + \ 40556ae19f3STrond Myklebust decode_savefh_maxsz + \ 4061da177e4SLinus Torvalds decode_create_maxsz + \ 40756ae19f3STrond Myklebust decode_getfh_maxsz + \ 4081da177e4SLinus Torvalds decode_getattr_maxsz + \ 40956ae19f3STrond Myklebust decode_restorefh_maxsz + \ 41056ae19f3STrond Myklebust decode_getattr_maxsz) 4111da177e4SLinus Torvalds #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ 4121da177e4SLinus Torvalds encode_putfh_maxsz + \ 4131da177e4SLinus Torvalds encode_getattr_maxsz) 4141da177e4SLinus Torvalds #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ 4151da177e4SLinus Torvalds decode_putfh_maxsz + \ 4161da177e4SLinus Torvalds decode_getattr_maxsz) 4171da177e4SLinus Torvalds #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ 4181da177e4SLinus Torvalds encode_putfh_maxsz + \ 4191da177e4SLinus Torvalds encode_getattr_maxsz) 4201da177e4SLinus Torvalds #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ 4211da177e4SLinus Torvalds decode_putfh_maxsz + \ 4221da177e4SLinus Torvalds op_decode_hdr_maxsz + 12) 4231da177e4SLinus Torvalds #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ 424ab91f264STrond Myklebust encode_putfh_maxsz + \ 4251da177e4SLinus Torvalds encode_getattr_maxsz) 4261da177e4SLinus Torvalds #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ 427ab91f264STrond Myklebust decode_putfh_maxsz + \ 4281da177e4SLinus Torvalds decode_getattr_maxsz) 4291da177e4SLinus Torvalds #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ 4301da177e4SLinus Torvalds encode_putfh_maxsz + \ 431fa178f29STrond Myklebust encode_delegreturn_maxsz + \ 432fa178f29STrond Myklebust encode_getattr_maxsz) 4331da177e4SLinus Torvalds #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ 434fa178f29STrond Myklebust decode_delegreturn_maxsz + \ 435fa178f29STrond Myklebust decode_getattr_maxsz) 436029d105eSJ. Bruce Fields #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ 437029d105eSJ. Bruce Fields encode_putfh_maxsz + \ 438029d105eSJ. Bruce Fields encode_getattr_maxsz) 439029d105eSJ. Bruce Fields #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ 440029d105eSJ. Bruce Fields decode_putfh_maxsz + \ 441029d105eSJ. Bruce Fields op_decode_hdr_maxsz + \ 442029d105eSJ. Bruce Fields nfs4_fattr_bitmap_maxsz + 1) 44323ec6965SJ. Bruce Fields #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ 44423ec6965SJ. Bruce Fields encode_putfh_maxsz + \ 44523ec6965SJ. Bruce Fields op_encode_hdr_maxsz + 4 + \ 44623ec6965SJ. Bruce Fields nfs4_fattr_bitmap_maxsz + 1) 44723ec6965SJ. Bruce Fields #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ 44823ec6965SJ. Bruce Fields decode_putfh_maxsz + \ 44923ec6965SJ. Bruce Fields op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) 450683b57b4STrond Myklebust #define NFS4_enc_fs_locations_sz \ 451683b57b4STrond Myklebust (compound_encode_hdr_maxsz + \ 452683b57b4STrond Myklebust encode_putfh_maxsz + \ 453e6889620STrond Myklebust encode_lookup_maxsz + \ 454e6889620STrond Myklebust encode_fs_locations_maxsz) 455683b57b4STrond Myklebust #define NFS4_dec_fs_locations_sz \ 456683b57b4STrond Myklebust (compound_decode_hdr_maxsz + \ 457683b57b4STrond Myklebust decode_putfh_maxsz + \ 458e6889620STrond Myklebust decode_lookup_maxsz + \ 459e6889620STrond Myklebust decode_fs_locations_maxsz) 4601da177e4SLinus Torvalds 4611da177e4SLinus Torvalds static struct { 4621da177e4SLinus Torvalds unsigned int mode; 4631da177e4SLinus Torvalds unsigned int nfs2type; 4641da177e4SLinus Torvalds } nfs_type2fmt[] = { 4651da177e4SLinus Torvalds { 0, NFNON }, 4661da177e4SLinus Torvalds { S_IFREG, NFREG }, 4671da177e4SLinus Torvalds { S_IFDIR, NFDIR }, 4681da177e4SLinus Torvalds { S_IFBLK, NFBLK }, 4691da177e4SLinus Torvalds { S_IFCHR, NFCHR }, 4701da177e4SLinus Torvalds { S_IFLNK, NFLNK }, 4711da177e4SLinus Torvalds { S_IFSOCK, NFSOCK }, 4721da177e4SLinus Torvalds { S_IFIFO, NFFIFO }, 4731da177e4SLinus Torvalds { 0, NFNON }, 4741da177e4SLinus Torvalds { 0, NFNON }, 4751da177e4SLinus Torvalds }; 4761da177e4SLinus Torvalds 4771da177e4SLinus Torvalds struct compound_hdr { 4781da177e4SLinus Torvalds int32_t status; 4791da177e4SLinus Torvalds uint32_t nops; 4801da177e4SLinus Torvalds uint32_t taglen; 4811da177e4SLinus Torvalds char * tag; 4821da177e4SLinus Torvalds }; 4831da177e4SLinus Torvalds 4841da177e4SLinus Torvalds /* 4851da177e4SLinus Torvalds * START OF "GENERIC" ENCODE ROUTINES. 4861da177e4SLinus Torvalds * These may look a little ugly since they are imported from a "generic" 4871da177e4SLinus Torvalds * set of XDR encode/decode routines which are intended to be shared by 4881da177e4SLinus Torvalds * all of our NFSv4 implementations (OpenBSD, MacOS X...). 4891da177e4SLinus Torvalds * 4901da177e4SLinus Torvalds * If the pain of reading these is too great, it should be a straightforward 4911da177e4SLinus Torvalds * task to translate them into Linux-specific versions which are more 4921da177e4SLinus Torvalds * consistent with the style used in NFSv2/v3... 4931da177e4SLinus Torvalds */ 4941da177e4SLinus Torvalds #define WRITE32(n) *p++ = htonl(n) 4951da177e4SLinus Torvalds #define WRITE64(n) do { \ 4961da177e4SLinus Torvalds *p++ = htonl((uint32_t)((n) >> 32)); \ 4971da177e4SLinus Torvalds *p++ = htonl((uint32_t)(n)); \ 4981da177e4SLinus Torvalds } while (0) 4991da177e4SLinus Torvalds #define WRITEMEM(ptr,nbytes) do { \ 5001da177e4SLinus Torvalds p = xdr_encode_opaque_fixed(p, ptr, nbytes); \ 5011da177e4SLinus Torvalds } while (0) 5021da177e4SLinus Torvalds 5031da177e4SLinus Torvalds #define RESERVE_SPACE(nbytes) do { \ 5041da177e4SLinus Torvalds p = xdr_reserve_space(xdr, nbytes); \ 5051da177e4SLinus Torvalds if (!p) printk("RESERVE_SPACE(%d) failed in function %s\n", (int) (nbytes), __FUNCTION__); \ 5061da177e4SLinus Torvalds BUG_ON(!p); \ 5071da177e4SLinus Torvalds } while (0) 5081da177e4SLinus Torvalds 5091da177e4SLinus Torvalds static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) 5101da177e4SLinus Torvalds { 5118687b63aSAl Viro __be32 *p; 5121da177e4SLinus Torvalds 5131da177e4SLinus Torvalds p = xdr_reserve_space(xdr, 4 + len); 5141da177e4SLinus Torvalds BUG_ON(p == NULL); 5151da177e4SLinus Torvalds xdr_encode_opaque(p, str, len); 5161da177e4SLinus Torvalds } 5171da177e4SLinus Torvalds 5181da177e4SLinus Torvalds static int encode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) 5191da177e4SLinus Torvalds { 5208687b63aSAl Viro __be32 *p; 5211da177e4SLinus Torvalds 5221da177e4SLinus Torvalds dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag); 5231da177e4SLinus Torvalds BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); 5241da177e4SLinus Torvalds RESERVE_SPACE(12+(XDR_QUADLEN(hdr->taglen)<<2)); 5251da177e4SLinus Torvalds WRITE32(hdr->taglen); 5261da177e4SLinus Torvalds WRITEMEM(hdr->tag, hdr->taglen); 5271da177e4SLinus Torvalds WRITE32(NFS4_MINOR_VERSION); 5281da177e4SLinus Torvalds WRITE32(hdr->nops); 5291da177e4SLinus Torvalds return 0; 5301da177e4SLinus Torvalds } 5311da177e4SLinus Torvalds 5321da177e4SLinus Torvalds static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) 5331da177e4SLinus Torvalds { 5348687b63aSAl Viro __be32 *p; 5351da177e4SLinus Torvalds 5361da177e4SLinus Torvalds p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE); 5371da177e4SLinus Torvalds BUG_ON(p == NULL); 5381da177e4SLinus Torvalds xdr_encode_opaque_fixed(p, verf->data, NFS4_VERIFIER_SIZE); 5391da177e4SLinus Torvalds } 5401da177e4SLinus Torvalds 5411da177e4SLinus Torvalds static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) 5421da177e4SLinus Torvalds { 5431da177e4SLinus Torvalds char owner_name[IDMAP_NAMESZ]; 5441da177e4SLinus Torvalds char owner_group[IDMAP_NAMESZ]; 5451da177e4SLinus Torvalds int owner_namelen = 0; 5461da177e4SLinus Torvalds int owner_grouplen = 0; 5478687b63aSAl Viro __be32 *p; 5488687b63aSAl Viro __be32 *q; 5491da177e4SLinus Torvalds int len; 5501da177e4SLinus Torvalds uint32_t bmval0 = 0; 5511da177e4SLinus Torvalds uint32_t bmval1 = 0; 5521da177e4SLinus Torvalds int status; 5531da177e4SLinus Torvalds 5541da177e4SLinus Torvalds /* 5551da177e4SLinus Torvalds * We reserve enough space to write the entire attribute buffer at once. 5561da177e4SLinus Torvalds * In the worst-case, this would be 5571da177e4SLinus Torvalds * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) 5581da177e4SLinus Torvalds * = 36 bytes, plus any contribution from variable-length fields 55923ec6965SJ. Bruce Fields * such as owner/group. 5601da177e4SLinus Torvalds */ 5611da177e4SLinus Torvalds len = 16; 5621da177e4SLinus Torvalds 5631da177e4SLinus Torvalds /* Sigh */ 5641da177e4SLinus Torvalds if (iap->ia_valid & ATTR_SIZE) 5651da177e4SLinus Torvalds len += 8; 5661da177e4SLinus Torvalds if (iap->ia_valid & ATTR_MODE) 5671da177e4SLinus Torvalds len += 4; 5681da177e4SLinus Torvalds if (iap->ia_valid & ATTR_UID) { 5697539bbabSDavid Howells owner_namelen = nfs_map_uid_to_name(server->nfs_client, iap->ia_uid, owner_name); 5701da177e4SLinus Torvalds if (owner_namelen < 0) { 5711da177e4SLinus Torvalds printk(KERN_WARNING "nfs: couldn't resolve uid %d to string\n", 5721da177e4SLinus Torvalds iap->ia_uid); 5731da177e4SLinus Torvalds /* XXX */ 5741da177e4SLinus Torvalds strcpy(owner_name, "nobody"); 5751da177e4SLinus Torvalds owner_namelen = sizeof("nobody") - 1; 5761da177e4SLinus Torvalds /* goto out; */ 5771da177e4SLinus Torvalds } 5781da177e4SLinus Torvalds len += 4 + (XDR_QUADLEN(owner_namelen) << 2); 5791da177e4SLinus Torvalds } 5801da177e4SLinus Torvalds if (iap->ia_valid & ATTR_GID) { 5817539bbabSDavid Howells owner_grouplen = nfs_map_gid_to_group(server->nfs_client, iap->ia_gid, owner_group); 5821da177e4SLinus Torvalds if (owner_grouplen < 0) { 5831da177e4SLinus Torvalds printk(KERN_WARNING "nfs4: couldn't resolve gid %d to string\n", 5841da177e4SLinus Torvalds iap->ia_gid); 5851da177e4SLinus Torvalds strcpy(owner_group, "nobody"); 5861da177e4SLinus Torvalds owner_grouplen = sizeof("nobody") - 1; 5871da177e4SLinus Torvalds /* goto out; */ 5881da177e4SLinus Torvalds } 5891da177e4SLinus Torvalds len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); 5901da177e4SLinus Torvalds } 5911da177e4SLinus Torvalds if (iap->ia_valid & ATTR_ATIME_SET) 5921da177e4SLinus Torvalds len += 16; 5931da177e4SLinus Torvalds else if (iap->ia_valid & ATTR_ATIME) 5941da177e4SLinus Torvalds len += 4; 5951da177e4SLinus Torvalds if (iap->ia_valid & ATTR_MTIME_SET) 5961da177e4SLinus Torvalds len += 16; 5971da177e4SLinus Torvalds else if (iap->ia_valid & ATTR_MTIME) 5981da177e4SLinus Torvalds len += 4; 5991da177e4SLinus Torvalds RESERVE_SPACE(len); 6001da177e4SLinus Torvalds 6011da177e4SLinus Torvalds /* 6021da177e4SLinus Torvalds * We write the bitmap length now, but leave the bitmap and the attribute 6031da177e4SLinus Torvalds * buffer length to be backfilled at the end of this routine. 6041da177e4SLinus Torvalds */ 6051da177e4SLinus Torvalds WRITE32(2); 6061da177e4SLinus Torvalds q = p; 6071da177e4SLinus Torvalds p += 3; 6081da177e4SLinus Torvalds 6091da177e4SLinus Torvalds if (iap->ia_valid & ATTR_SIZE) { 6101da177e4SLinus Torvalds bmval0 |= FATTR4_WORD0_SIZE; 6111da177e4SLinus Torvalds WRITE64(iap->ia_size); 6121da177e4SLinus Torvalds } 6131da177e4SLinus Torvalds if (iap->ia_valid & ATTR_MODE) { 6141da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_MODE; 615cf3fff54STrond Myklebust WRITE32(iap->ia_mode & S_IALLUGO); 6161da177e4SLinus Torvalds } 6171da177e4SLinus Torvalds if (iap->ia_valid & ATTR_UID) { 6181da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_OWNER; 6191da177e4SLinus Torvalds WRITE32(owner_namelen); 6201da177e4SLinus Torvalds WRITEMEM(owner_name, owner_namelen); 6211da177e4SLinus Torvalds } 6221da177e4SLinus Torvalds if (iap->ia_valid & ATTR_GID) { 6231da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_OWNER_GROUP; 6241da177e4SLinus Torvalds WRITE32(owner_grouplen); 6251da177e4SLinus Torvalds WRITEMEM(owner_group, owner_grouplen); 6261da177e4SLinus Torvalds } 6271da177e4SLinus Torvalds if (iap->ia_valid & ATTR_ATIME_SET) { 6281da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; 6291da177e4SLinus Torvalds WRITE32(NFS4_SET_TO_CLIENT_TIME); 6301da177e4SLinus Torvalds WRITE32(0); 6311da177e4SLinus Torvalds WRITE32(iap->ia_mtime.tv_sec); 6321da177e4SLinus Torvalds WRITE32(iap->ia_mtime.tv_nsec); 6331da177e4SLinus Torvalds } 6341da177e4SLinus Torvalds else if (iap->ia_valid & ATTR_ATIME) { 6351da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; 6361da177e4SLinus Torvalds WRITE32(NFS4_SET_TO_SERVER_TIME); 6371da177e4SLinus Torvalds } 6381da177e4SLinus Torvalds if (iap->ia_valid & ATTR_MTIME_SET) { 6391da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; 6401da177e4SLinus Torvalds WRITE32(NFS4_SET_TO_CLIENT_TIME); 6411da177e4SLinus Torvalds WRITE32(0); 6421da177e4SLinus Torvalds WRITE32(iap->ia_mtime.tv_sec); 6431da177e4SLinus Torvalds WRITE32(iap->ia_mtime.tv_nsec); 6441da177e4SLinus Torvalds } 6451da177e4SLinus Torvalds else if (iap->ia_valid & ATTR_MTIME) { 6461da177e4SLinus Torvalds bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; 6471da177e4SLinus Torvalds WRITE32(NFS4_SET_TO_SERVER_TIME); 6481da177e4SLinus Torvalds } 6491da177e4SLinus Torvalds 6501da177e4SLinus Torvalds /* 6511da177e4SLinus Torvalds * Now we backfill the bitmap and the attribute buffer length. 6521da177e4SLinus Torvalds */ 6531da177e4SLinus Torvalds if (len != ((char *)p - (char *)q) + 4) { 6541da177e4SLinus Torvalds printk ("encode_attr: Attr length calculation error! %u != %Zu\n", 6551da177e4SLinus Torvalds len, ((char *)p - (char *)q) + 4); 6561da177e4SLinus Torvalds BUG(); 6571da177e4SLinus Torvalds } 6581da177e4SLinus Torvalds len = (char *)p - (char *)q - 12; 6591da177e4SLinus Torvalds *q++ = htonl(bmval0); 6601da177e4SLinus Torvalds *q++ = htonl(bmval1); 6611da177e4SLinus Torvalds *q++ = htonl(len); 6621da177e4SLinus Torvalds 6631da177e4SLinus Torvalds status = 0; 6641da177e4SLinus Torvalds /* out: */ 6651da177e4SLinus Torvalds return status; 6661da177e4SLinus Torvalds } 6671da177e4SLinus Torvalds 6681da177e4SLinus Torvalds static int encode_access(struct xdr_stream *xdr, u32 access) 6691da177e4SLinus Torvalds { 6708687b63aSAl Viro __be32 *p; 6711da177e4SLinus Torvalds 6721da177e4SLinus Torvalds RESERVE_SPACE(8); 6731da177e4SLinus Torvalds WRITE32(OP_ACCESS); 6741da177e4SLinus Torvalds WRITE32(access); 6751da177e4SLinus Torvalds 6761da177e4SLinus Torvalds return 0; 6771da177e4SLinus Torvalds } 6781da177e4SLinus Torvalds 6791da177e4SLinus Torvalds static int encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg) 6801da177e4SLinus Torvalds { 6818687b63aSAl Viro __be32 *p; 6821da177e4SLinus Torvalds 6838ae20abdSTrond Myklebust RESERVE_SPACE(8+NFS4_STATEID_SIZE); 6841da177e4SLinus Torvalds WRITE32(OP_CLOSE); 685cee54fc9STrond Myklebust WRITE32(arg->seqid->sequence->counter); 6868ae20abdSTrond Myklebust WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE); 6871da177e4SLinus Torvalds 6881da177e4SLinus Torvalds return 0; 6891da177e4SLinus Torvalds } 6901da177e4SLinus Torvalds 6911da177e4SLinus Torvalds static int encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args) 6921da177e4SLinus Torvalds { 6938687b63aSAl Viro __be32 *p; 6941da177e4SLinus Torvalds 6951da177e4SLinus Torvalds RESERVE_SPACE(16); 6961da177e4SLinus Torvalds WRITE32(OP_COMMIT); 6971da177e4SLinus Torvalds WRITE64(args->offset); 6981da177e4SLinus Torvalds WRITE32(args->count); 6991da177e4SLinus Torvalds 7001da177e4SLinus Torvalds return 0; 7011da177e4SLinus Torvalds } 7021da177e4SLinus Torvalds 7031da177e4SLinus Torvalds static int encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create) 7041da177e4SLinus Torvalds { 7058687b63aSAl Viro __be32 *p; 7061da177e4SLinus Torvalds 7071da177e4SLinus Torvalds RESERVE_SPACE(8); 7081da177e4SLinus Torvalds WRITE32(OP_CREATE); 7091da177e4SLinus Torvalds WRITE32(create->ftype); 7101da177e4SLinus Torvalds 7111da177e4SLinus Torvalds switch (create->ftype) { 7121da177e4SLinus Torvalds case NF4LNK: 71394a6d753SChuck Lever RESERVE_SPACE(4); 71494a6d753SChuck Lever WRITE32(create->u.symlink.len); 71594a6d753SChuck Lever xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); 7161da177e4SLinus Torvalds break; 7171da177e4SLinus Torvalds 7181da177e4SLinus Torvalds case NF4BLK: case NF4CHR: 7191da177e4SLinus Torvalds RESERVE_SPACE(8); 7201da177e4SLinus Torvalds WRITE32(create->u.device.specdata1); 7211da177e4SLinus Torvalds WRITE32(create->u.device.specdata2); 7221da177e4SLinus Torvalds break; 7231da177e4SLinus Torvalds 7241da177e4SLinus Torvalds default: 7251da177e4SLinus Torvalds break; 7261da177e4SLinus Torvalds } 7271da177e4SLinus Torvalds 7281da177e4SLinus Torvalds RESERVE_SPACE(4 + create->name->len); 7291da177e4SLinus Torvalds WRITE32(create->name->len); 7301da177e4SLinus Torvalds WRITEMEM(create->name->name, create->name->len); 7311da177e4SLinus Torvalds 7321da177e4SLinus Torvalds return encode_attrs(xdr, create->attrs, create->server); 7331da177e4SLinus Torvalds } 7341da177e4SLinus Torvalds 7351da177e4SLinus Torvalds static int encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap) 7361da177e4SLinus Torvalds { 7378687b63aSAl Viro __be32 *p; 7381da177e4SLinus Torvalds 7391da177e4SLinus Torvalds RESERVE_SPACE(12); 7401da177e4SLinus Torvalds WRITE32(OP_GETATTR); 7411da177e4SLinus Torvalds WRITE32(1); 7421da177e4SLinus Torvalds WRITE32(bitmap); 7431da177e4SLinus Torvalds return 0; 7441da177e4SLinus Torvalds } 7451da177e4SLinus Torvalds 7461da177e4SLinus Torvalds static int encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1) 7471da177e4SLinus Torvalds { 7488687b63aSAl Viro __be32 *p; 7491da177e4SLinus Torvalds 7501da177e4SLinus Torvalds RESERVE_SPACE(16); 7511da177e4SLinus Torvalds WRITE32(OP_GETATTR); 7521da177e4SLinus Torvalds WRITE32(2); 7531da177e4SLinus Torvalds WRITE32(bm0); 7541da177e4SLinus Torvalds WRITE32(bm1); 7551da177e4SLinus Torvalds return 0; 7561da177e4SLinus Torvalds } 7571da177e4SLinus Torvalds 7581da177e4SLinus Torvalds static int encode_getfattr(struct xdr_stream *xdr, const u32* bitmask) 7591da177e4SLinus Torvalds { 7601da177e4SLinus Torvalds return encode_getattr_two(xdr, 7611da177e4SLinus Torvalds bitmask[0] & nfs4_fattr_bitmap[0], 7621da177e4SLinus Torvalds bitmask[1] & nfs4_fattr_bitmap[1]); 7631da177e4SLinus Torvalds } 7641da177e4SLinus Torvalds 7651da177e4SLinus Torvalds static int encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask) 7661da177e4SLinus Torvalds { 7671da177e4SLinus Torvalds return encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0], 7681da177e4SLinus Torvalds bitmask[1] & nfs4_fsinfo_bitmap[1]); 7691da177e4SLinus Torvalds } 7701da177e4SLinus Torvalds 771830b8e33SManoj Naik static int encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask) 772830b8e33SManoj Naik { 773830b8e33SManoj Naik return encode_getattr_two(xdr, 774830b8e33SManoj Naik bitmask[0] & nfs4_fs_locations_bitmap[0], 775830b8e33SManoj Naik bitmask[1] & nfs4_fs_locations_bitmap[1]); 776830b8e33SManoj Naik } 777830b8e33SManoj Naik 7781da177e4SLinus Torvalds static int encode_getfh(struct xdr_stream *xdr) 7791da177e4SLinus Torvalds { 7808687b63aSAl Viro __be32 *p; 7811da177e4SLinus Torvalds 7821da177e4SLinus Torvalds RESERVE_SPACE(4); 7831da177e4SLinus Torvalds WRITE32(OP_GETFH); 7841da177e4SLinus Torvalds 7851da177e4SLinus Torvalds return 0; 7861da177e4SLinus Torvalds } 7871da177e4SLinus Torvalds 7881da177e4SLinus Torvalds static int encode_link(struct xdr_stream *xdr, const struct qstr *name) 7891da177e4SLinus Torvalds { 7908687b63aSAl Viro __be32 *p; 7911da177e4SLinus Torvalds 7921da177e4SLinus Torvalds RESERVE_SPACE(8 + name->len); 7931da177e4SLinus Torvalds WRITE32(OP_LINK); 7941da177e4SLinus Torvalds WRITE32(name->len); 7951da177e4SLinus Torvalds WRITEMEM(name->name, name->len); 7961da177e4SLinus Torvalds 7971da177e4SLinus Torvalds return 0; 7981da177e4SLinus Torvalds } 7991da177e4SLinus Torvalds 800911d1aafSTrond Myklebust static inline int nfs4_lock_type(struct file_lock *fl, int block) 801911d1aafSTrond Myklebust { 802911d1aafSTrond Myklebust if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) 803911d1aafSTrond Myklebust return block ? NFS4_READW_LT : NFS4_READ_LT; 804911d1aafSTrond Myklebust return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; 805911d1aafSTrond Myklebust } 806911d1aafSTrond Myklebust 807911d1aafSTrond Myklebust static inline uint64_t nfs4_lock_length(struct file_lock *fl) 808911d1aafSTrond Myklebust { 809911d1aafSTrond Myklebust if (fl->fl_end == OFFSET_MAX) 810911d1aafSTrond Myklebust return ~(uint64_t)0; 811911d1aafSTrond Myklebust return fl->fl_end - fl->fl_start + 1; 812911d1aafSTrond Myklebust } 813911d1aafSTrond Myklebust 8141da177e4SLinus Torvalds /* 8151da177e4SLinus Torvalds * opcode,type,reclaim,offset,length,new_lock_owner = 32 8161da177e4SLinus Torvalds * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 8171da177e4SLinus Torvalds */ 818911d1aafSTrond Myklebust static int encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args) 8191da177e4SLinus Torvalds { 8208687b63aSAl Viro __be32 *p; 8211da177e4SLinus Torvalds 8221da177e4SLinus Torvalds RESERVE_SPACE(32); 8231da177e4SLinus Torvalds WRITE32(OP_LOCK); 824911d1aafSTrond Myklebust WRITE32(nfs4_lock_type(args->fl, args->block)); 825911d1aafSTrond Myklebust WRITE32(args->reclaim); 826911d1aafSTrond Myklebust WRITE64(args->fl->fl_start); 827911d1aafSTrond Myklebust WRITE64(nfs4_lock_length(args->fl)); 828911d1aafSTrond Myklebust WRITE32(args->new_lock_owner); 829911d1aafSTrond Myklebust if (args->new_lock_owner){ 8309f958ab8STrond Myklebust RESERVE_SPACE(4+NFS4_STATEID_SIZE+32); 831911d1aafSTrond Myklebust WRITE32(args->open_seqid->sequence->counter); 8328ae20abdSTrond Myklebust WRITEMEM(args->open_stateid->data, NFS4_STATEID_SIZE); 833911d1aafSTrond Myklebust WRITE32(args->lock_seqid->sequence->counter); 834911d1aafSTrond Myklebust WRITE64(args->lock_owner.clientid); 8359f958ab8STrond Myklebust WRITE32(16); 8369f958ab8STrond Myklebust WRITEMEM("lock id:", 8); 8379f958ab8STrond Myklebust WRITE64(args->lock_owner.id); 8381da177e4SLinus Torvalds } 8391da177e4SLinus Torvalds else { 8408ae20abdSTrond Myklebust RESERVE_SPACE(NFS4_STATEID_SIZE+4); 8418ae20abdSTrond Myklebust WRITEMEM(args->lock_stateid->data, NFS4_STATEID_SIZE); 842911d1aafSTrond Myklebust WRITE32(args->lock_seqid->sequence->counter); 8431da177e4SLinus Torvalds } 8441da177e4SLinus Torvalds 8451da177e4SLinus Torvalds return 0; 8461da177e4SLinus Torvalds } 8471da177e4SLinus Torvalds 848911d1aafSTrond Myklebust static int encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args) 8491da177e4SLinus Torvalds { 8508687b63aSAl Viro __be32 *p; 8511da177e4SLinus Torvalds 8529f958ab8STrond Myklebust RESERVE_SPACE(52); 8531da177e4SLinus Torvalds WRITE32(OP_LOCKT); 854911d1aafSTrond Myklebust WRITE32(nfs4_lock_type(args->fl, 0)); 855911d1aafSTrond Myklebust WRITE64(args->fl->fl_start); 856911d1aafSTrond Myklebust WRITE64(nfs4_lock_length(args->fl)); 857911d1aafSTrond Myklebust WRITE64(args->lock_owner.clientid); 8589f958ab8STrond Myklebust WRITE32(16); 8599f958ab8STrond Myklebust WRITEMEM("lock id:", 8); 8609f958ab8STrond Myklebust WRITE64(args->lock_owner.id); 8611da177e4SLinus Torvalds 8621da177e4SLinus Torvalds return 0; 8631da177e4SLinus Torvalds } 8641da177e4SLinus Torvalds 865911d1aafSTrond Myklebust static int encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args) 8661da177e4SLinus Torvalds { 8678687b63aSAl Viro __be32 *p; 8681da177e4SLinus Torvalds 8698ae20abdSTrond Myklebust RESERVE_SPACE(12+NFS4_STATEID_SIZE+16); 8701da177e4SLinus Torvalds WRITE32(OP_LOCKU); 871911d1aafSTrond Myklebust WRITE32(nfs4_lock_type(args->fl, 0)); 872911d1aafSTrond Myklebust WRITE32(args->seqid->sequence->counter); 8738ae20abdSTrond Myklebust WRITEMEM(args->stateid->data, NFS4_STATEID_SIZE); 874911d1aafSTrond Myklebust WRITE64(args->fl->fl_start); 875911d1aafSTrond Myklebust WRITE64(nfs4_lock_length(args->fl)); 8761da177e4SLinus Torvalds 8771da177e4SLinus Torvalds return 0; 8781da177e4SLinus Torvalds } 8791da177e4SLinus Torvalds 8801da177e4SLinus Torvalds static int encode_lookup(struct xdr_stream *xdr, const struct qstr *name) 8811da177e4SLinus Torvalds { 8821da177e4SLinus Torvalds int len = name->len; 8838687b63aSAl Viro __be32 *p; 8841da177e4SLinus Torvalds 8851da177e4SLinus Torvalds RESERVE_SPACE(8 + len); 8861da177e4SLinus Torvalds WRITE32(OP_LOOKUP); 8871da177e4SLinus Torvalds WRITE32(len); 8881da177e4SLinus Torvalds WRITEMEM(name->name, len); 8891da177e4SLinus Torvalds 8901da177e4SLinus Torvalds return 0; 8911da177e4SLinus Torvalds } 8921da177e4SLinus Torvalds 8931da177e4SLinus Torvalds static void encode_share_access(struct xdr_stream *xdr, int open_flags) 8941da177e4SLinus Torvalds { 8958687b63aSAl Viro __be32 *p; 8961da177e4SLinus Torvalds 8971da177e4SLinus Torvalds RESERVE_SPACE(8); 8981da177e4SLinus Torvalds switch (open_flags & (FMODE_READ|FMODE_WRITE)) { 8991da177e4SLinus Torvalds case FMODE_READ: 9001da177e4SLinus Torvalds WRITE32(NFS4_SHARE_ACCESS_READ); 9011da177e4SLinus Torvalds break; 9021da177e4SLinus Torvalds case FMODE_WRITE: 9031da177e4SLinus Torvalds WRITE32(NFS4_SHARE_ACCESS_WRITE); 9041da177e4SLinus Torvalds break; 9051da177e4SLinus Torvalds case FMODE_READ|FMODE_WRITE: 9061da177e4SLinus Torvalds WRITE32(NFS4_SHARE_ACCESS_BOTH); 9071da177e4SLinus Torvalds break; 9081da177e4SLinus Torvalds default: 9091da177e4SLinus Torvalds BUG(); 9101da177e4SLinus Torvalds } 9111da177e4SLinus Torvalds WRITE32(0); /* for linux, share_deny = 0 always */ 9121da177e4SLinus Torvalds } 9131da177e4SLinus Torvalds 9141da177e4SLinus Torvalds static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) 9151da177e4SLinus Torvalds { 9168687b63aSAl Viro __be32 *p; 9171da177e4SLinus Torvalds /* 9181da177e4SLinus Torvalds * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, 9191da177e4SLinus Torvalds * owner 4 = 32 9201da177e4SLinus Torvalds */ 9211da177e4SLinus Torvalds RESERVE_SPACE(8); 9221da177e4SLinus Torvalds WRITE32(OP_OPEN); 923cee54fc9STrond Myklebust WRITE32(arg->seqid->sequence->counter); 9241da177e4SLinus Torvalds encode_share_access(xdr, arg->open_flags); 9259f958ab8STrond Myklebust RESERVE_SPACE(28); 9261da177e4SLinus Torvalds WRITE64(arg->clientid); 9279f958ab8STrond Myklebust WRITE32(16); 9289f958ab8STrond Myklebust WRITEMEM("open id:", 8); 9299f958ab8STrond Myklebust WRITE64(arg->id); 9301da177e4SLinus Torvalds } 9311da177e4SLinus Torvalds 9321da177e4SLinus Torvalds static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) 9331da177e4SLinus Torvalds { 9348687b63aSAl Viro __be32 *p; 9351da177e4SLinus Torvalds 9361da177e4SLinus Torvalds RESERVE_SPACE(4); 9371da177e4SLinus Torvalds switch(arg->open_flags & O_EXCL) { 9381da177e4SLinus Torvalds case 0: 9391da177e4SLinus Torvalds WRITE32(NFS4_CREATE_UNCHECKED); 9401da177e4SLinus Torvalds encode_attrs(xdr, arg->u.attrs, arg->server); 9411da177e4SLinus Torvalds break; 9421da177e4SLinus Torvalds default: 9431da177e4SLinus Torvalds WRITE32(NFS4_CREATE_EXCLUSIVE); 9441da177e4SLinus Torvalds encode_nfs4_verifier(xdr, &arg->u.verifier); 9451da177e4SLinus Torvalds } 9461da177e4SLinus Torvalds } 9471da177e4SLinus Torvalds 9481da177e4SLinus Torvalds static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) 9491da177e4SLinus Torvalds { 9508687b63aSAl Viro __be32 *p; 9511da177e4SLinus Torvalds 9521da177e4SLinus Torvalds RESERVE_SPACE(4); 9531da177e4SLinus Torvalds switch (arg->open_flags & O_CREAT) { 9541da177e4SLinus Torvalds case 0: 9551da177e4SLinus Torvalds WRITE32(NFS4_OPEN_NOCREATE); 9561da177e4SLinus Torvalds break; 9571da177e4SLinus Torvalds default: 9581da177e4SLinus Torvalds BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); 9591da177e4SLinus Torvalds WRITE32(NFS4_OPEN_CREATE); 9601da177e4SLinus Torvalds encode_createmode(xdr, arg); 9611da177e4SLinus Torvalds } 9621da177e4SLinus Torvalds } 9631da177e4SLinus Torvalds 9641da177e4SLinus Torvalds static inline void encode_delegation_type(struct xdr_stream *xdr, int delegation_type) 9651da177e4SLinus Torvalds { 9668687b63aSAl Viro __be32 *p; 9671da177e4SLinus Torvalds 9681da177e4SLinus Torvalds RESERVE_SPACE(4); 9691da177e4SLinus Torvalds switch (delegation_type) { 9701da177e4SLinus Torvalds case 0: 9711da177e4SLinus Torvalds WRITE32(NFS4_OPEN_DELEGATE_NONE); 9721da177e4SLinus Torvalds break; 9731da177e4SLinus Torvalds case FMODE_READ: 9741da177e4SLinus Torvalds WRITE32(NFS4_OPEN_DELEGATE_READ); 9751da177e4SLinus Torvalds break; 9761da177e4SLinus Torvalds case FMODE_WRITE|FMODE_READ: 9771da177e4SLinus Torvalds WRITE32(NFS4_OPEN_DELEGATE_WRITE); 9781da177e4SLinus Torvalds break; 9791da177e4SLinus Torvalds default: 9801da177e4SLinus Torvalds BUG(); 9811da177e4SLinus Torvalds } 9821da177e4SLinus Torvalds } 9831da177e4SLinus Torvalds 9841da177e4SLinus Torvalds static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) 9851da177e4SLinus Torvalds { 9868687b63aSAl Viro __be32 *p; 9871da177e4SLinus Torvalds 9881da177e4SLinus Torvalds RESERVE_SPACE(4); 9891da177e4SLinus Torvalds WRITE32(NFS4_OPEN_CLAIM_NULL); 9901da177e4SLinus Torvalds encode_string(xdr, name->len, name->name); 9911da177e4SLinus Torvalds } 9921da177e4SLinus Torvalds 9931da177e4SLinus Torvalds static inline void encode_claim_previous(struct xdr_stream *xdr, int type) 9941da177e4SLinus Torvalds { 9958687b63aSAl Viro __be32 *p; 9961da177e4SLinus Torvalds 9971da177e4SLinus Torvalds RESERVE_SPACE(4); 9981da177e4SLinus Torvalds WRITE32(NFS4_OPEN_CLAIM_PREVIOUS); 9991da177e4SLinus Torvalds encode_delegation_type(xdr, type); 10001da177e4SLinus Torvalds } 10011da177e4SLinus Torvalds 10021da177e4SLinus Torvalds static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) 10031da177e4SLinus Torvalds { 10048687b63aSAl Viro __be32 *p; 10051da177e4SLinus Torvalds 10068ae20abdSTrond Myklebust RESERVE_SPACE(4+NFS4_STATEID_SIZE); 10071da177e4SLinus Torvalds WRITE32(NFS4_OPEN_CLAIM_DELEGATE_CUR); 10088ae20abdSTrond Myklebust WRITEMEM(stateid->data, NFS4_STATEID_SIZE); 10091da177e4SLinus Torvalds encode_string(xdr, name->len, name->name); 10101da177e4SLinus Torvalds } 10111da177e4SLinus Torvalds 10121da177e4SLinus Torvalds static int encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg) 10131da177e4SLinus Torvalds { 10141da177e4SLinus Torvalds encode_openhdr(xdr, arg); 10151da177e4SLinus Torvalds encode_opentype(xdr, arg); 10161da177e4SLinus Torvalds switch (arg->claim) { 10171da177e4SLinus Torvalds case NFS4_OPEN_CLAIM_NULL: 10181da177e4SLinus Torvalds encode_claim_null(xdr, arg->name); 10191da177e4SLinus Torvalds break; 10201da177e4SLinus Torvalds case NFS4_OPEN_CLAIM_PREVIOUS: 10211da177e4SLinus Torvalds encode_claim_previous(xdr, arg->u.delegation_type); 10221da177e4SLinus Torvalds break; 10231da177e4SLinus Torvalds case NFS4_OPEN_CLAIM_DELEGATE_CUR: 10241da177e4SLinus Torvalds encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); 10251da177e4SLinus Torvalds break; 10261da177e4SLinus Torvalds default: 10271da177e4SLinus Torvalds BUG(); 10281da177e4SLinus Torvalds } 10291da177e4SLinus Torvalds return 0; 10301da177e4SLinus Torvalds } 10311da177e4SLinus Torvalds 10321da177e4SLinus Torvalds static int encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg) 10331da177e4SLinus Torvalds { 10348687b63aSAl Viro __be32 *p; 10351da177e4SLinus Torvalds 10368ae20abdSTrond Myklebust RESERVE_SPACE(4+NFS4_STATEID_SIZE+4); 10371da177e4SLinus Torvalds WRITE32(OP_OPEN_CONFIRM); 10388ae20abdSTrond Myklebust WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE); 1039cee54fc9STrond Myklebust WRITE32(arg->seqid->sequence->counter); 10401da177e4SLinus Torvalds 10411da177e4SLinus Torvalds return 0; 10421da177e4SLinus Torvalds } 10431da177e4SLinus Torvalds 10441da177e4SLinus Torvalds static int encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg) 10451da177e4SLinus Torvalds { 10468687b63aSAl Viro __be32 *p; 10471da177e4SLinus Torvalds 10488ae20abdSTrond Myklebust RESERVE_SPACE(4+NFS4_STATEID_SIZE+4); 10491da177e4SLinus Torvalds WRITE32(OP_OPEN_DOWNGRADE); 10508ae20abdSTrond Myklebust WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE); 1051cee54fc9STrond Myklebust WRITE32(arg->seqid->sequence->counter); 10521da177e4SLinus Torvalds encode_share_access(xdr, arg->open_flags); 10531da177e4SLinus Torvalds return 0; 10541da177e4SLinus Torvalds } 10551da177e4SLinus Torvalds 10561da177e4SLinus Torvalds static int 10571da177e4SLinus Torvalds encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh) 10581da177e4SLinus Torvalds { 10591da177e4SLinus Torvalds int len = fh->size; 10608687b63aSAl Viro __be32 *p; 10611da177e4SLinus Torvalds 10621da177e4SLinus Torvalds RESERVE_SPACE(8 + len); 10631da177e4SLinus Torvalds WRITE32(OP_PUTFH); 10641da177e4SLinus Torvalds WRITE32(len); 10651da177e4SLinus Torvalds WRITEMEM(fh->data, len); 10661da177e4SLinus Torvalds 10671da177e4SLinus Torvalds return 0; 10681da177e4SLinus Torvalds } 10691da177e4SLinus Torvalds 10701da177e4SLinus Torvalds static int encode_putrootfh(struct xdr_stream *xdr) 10711da177e4SLinus Torvalds { 10728687b63aSAl Viro __be32 *p; 10731da177e4SLinus Torvalds 10741da177e4SLinus Torvalds RESERVE_SPACE(4); 10751da177e4SLinus Torvalds WRITE32(OP_PUTROOTFH); 10761da177e4SLinus Torvalds 10771da177e4SLinus Torvalds return 0; 10781da177e4SLinus Torvalds } 10791da177e4SLinus Torvalds 10801da177e4SLinus Torvalds static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx) 10811da177e4SLinus Torvalds { 10821da177e4SLinus Torvalds nfs4_stateid stateid; 10838687b63aSAl Viro __be32 *p; 10841da177e4SLinus Torvalds 10858ae20abdSTrond Myklebust RESERVE_SPACE(NFS4_STATEID_SIZE); 10861da177e4SLinus Torvalds if (ctx->state != NULL) { 10871da177e4SLinus Torvalds nfs4_copy_stateid(&stateid, ctx->state, ctx->lockowner); 10888ae20abdSTrond Myklebust WRITEMEM(stateid.data, NFS4_STATEID_SIZE); 10891da177e4SLinus Torvalds } else 10908ae20abdSTrond Myklebust WRITEMEM(zero_stateid.data, NFS4_STATEID_SIZE); 10911da177e4SLinus Torvalds } 10921da177e4SLinus Torvalds 10931da177e4SLinus Torvalds static int encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args) 10941da177e4SLinus Torvalds { 10958687b63aSAl Viro __be32 *p; 10961da177e4SLinus Torvalds 10971da177e4SLinus Torvalds RESERVE_SPACE(4); 10981da177e4SLinus Torvalds WRITE32(OP_READ); 10991da177e4SLinus Torvalds 11001da177e4SLinus Torvalds encode_stateid(xdr, args->context); 11011da177e4SLinus Torvalds 11021da177e4SLinus Torvalds RESERVE_SPACE(12); 11031da177e4SLinus Torvalds WRITE64(args->offset); 11041da177e4SLinus Torvalds WRITE32(args->count); 11051da177e4SLinus Torvalds 11061da177e4SLinus Torvalds return 0; 11071da177e4SLinus Torvalds } 11081da177e4SLinus Torvalds 11091da177e4SLinus Torvalds static int encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req) 11101da177e4SLinus Torvalds { 11111be27f36STrond Myklebust struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; 111297d312d0SManoj Naik uint32_t attrs[2] = { 111397d312d0SManoj Naik FATTR4_WORD0_RDATTR_ERROR|FATTR4_WORD0_FILEID, 111497d312d0SManoj Naik FATTR4_WORD1_MOUNTED_ON_FILEID, 111597d312d0SManoj Naik }; 11161da177e4SLinus Torvalds int replen; 11178687b63aSAl Viro __be32 *p; 11181da177e4SLinus Torvalds 11198ae20abdSTrond Myklebust RESERVE_SPACE(12+NFS4_VERIFIER_SIZE+20); 11201da177e4SLinus Torvalds WRITE32(OP_READDIR); 11211da177e4SLinus Torvalds WRITE64(readdir->cookie); 11228ae20abdSTrond Myklebust WRITEMEM(readdir->verifier.data, NFS4_VERIFIER_SIZE); 11231da177e4SLinus Torvalds WRITE32(readdir->count >> 1); /* We're not doing readdirplus */ 11241da177e4SLinus Torvalds WRITE32(readdir->count); 11251da177e4SLinus Torvalds WRITE32(2); 112697d312d0SManoj Naik /* Switch to mounted_on_fileid if the server supports it */ 112797d312d0SManoj Naik if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID) 112897d312d0SManoj Naik attrs[0] &= ~FATTR4_WORD0_FILEID; 112997d312d0SManoj Naik else 113097d312d0SManoj Naik attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; 113197d312d0SManoj Naik WRITE32(attrs[0] & readdir->bitmask[0]); 113297d312d0SManoj Naik WRITE32(attrs[1] & readdir->bitmask[1]); 1133eadf4598STrond Myklebust dprintk("%s: cookie = %Lu, verifier = 0x%x%x, bitmap = 0x%x%x\n", 1134eadf4598STrond Myklebust __FUNCTION__, 1135eadf4598STrond Myklebust (unsigned long long)readdir->cookie, 1136eadf4598STrond Myklebust ((u32 *)readdir->verifier.data)[0], 1137eadf4598STrond Myklebust ((u32 *)readdir->verifier.data)[1], 1138eadf4598STrond Myklebust attrs[0] & readdir->bitmask[0], 1139eadf4598STrond Myklebust attrs[1] & readdir->bitmask[1]); 11401da177e4SLinus Torvalds 11411da177e4SLinus Torvalds /* set up reply kvec 11421da177e4SLinus Torvalds * toplevel_status + taglen + rescount + OP_PUTFH + status 11431da177e4SLinus Torvalds * + OP_READDIR + status + verifer(2) = 9 11441da177e4SLinus Torvalds */ 11451da177e4SLinus Torvalds replen = (RPC_REPHDRSIZE + auth->au_rslack + 9) << 2; 11461da177e4SLinus Torvalds xdr_inline_pages(&req->rq_rcv_buf, replen, readdir->pages, 11471da177e4SLinus Torvalds readdir->pgbase, readdir->count); 1148eadf4598STrond Myklebust dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", 1149eadf4598STrond Myklebust __FUNCTION__, replen, readdir->pages, 1150eadf4598STrond Myklebust readdir->pgbase, readdir->count); 11511da177e4SLinus Torvalds 11521da177e4SLinus Torvalds return 0; 11531da177e4SLinus Torvalds } 11541da177e4SLinus Torvalds 11551da177e4SLinus Torvalds static int encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req) 11561da177e4SLinus Torvalds { 11571be27f36STrond Myklebust struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; 11581da177e4SLinus Torvalds unsigned int replen; 11598687b63aSAl Viro __be32 *p; 11601da177e4SLinus Torvalds 11611da177e4SLinus Torvalds RESERVE_SPACE(4); 11621da177e4SLinus Torvalds WRITE32(OP_READLINK); 11631da177e4SLinus Torvalds 11641da177e4SLinus Torvalds /* set up reply kvec 11651da177e4SLinus Torvalds * toplevel_status + taglen + rescount + OP_PUTFH + status 11661da177e4SLinus Torvalds * + OP_READLINK + status + string length = 8 11671da177e4SLinus Torvalds */ 11681da177e4SLinus Torvalds replen = (RPC_REPHDRSIZE + auth->au_rslack + 8) << 2; 11691da177e4SLinus Torvalds xdr_inline_pages(&req->rq_rcv_buf, replen, readlink->pages, 11701da177e4SLinus Torvalds readlink->pgbase, readlink->pglen); 11711da177e4SLinus Torvalds 11721da177e4SLinus Torvalds return 0; 11731da177e4SLinus Torvalds } 11741da177e4SLinus Torvalds 11751da177e4SLinus Torvalds static int encode_remove(struct xdr_stream *xdr, const struct qstr *name) 11761da177e4SLinus Torvalds { 11778687b63aSAl Viro __be32 *p; 11781da177e4SLinus Torvalds 11791da177e4SLinus Torvalds RESERVE_SPACE(8 + name->len); 11801da177e4SLinus Torvalds WRITE32(OP_REMOVE); 11811da177e4SLinus Torvalds WRITE32(name->len); 11821da177e4SLinus Torvalds WRITEMEM(name->name, name->len); 11831da177e4SLinus Torvalds 11841da177e4SLinus Torvalds return 0; 11851da177e4SLinus Torvalds } 11861da177e4SLinus Torvalds 11871da177e4SLinus Torvalds static int encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname) 11881da177e4SLinus Torvalds { 11898687b63aSAl Viro __be32 *p; 11901da177e4SLinus Torvalds 11911da177e4SLinus Torvalds RESERVE_SPACE(8 + oldname->len); 11921da177e4SLinus Torvalds WRITE32(OP_RENAME); 11931da177e4SLinus Torvalds WRITE32(oldname->len); 11941da177e4SLinus Torvalds WRITEMEM(oldname->name, oldname->len); 11951da177e4SLinus Torvalds 11961da177e4SLinus Torvalds RESERVE_SPACE(4 + newname->len); 11971da177e4SLinus Torvalds WRITE32(newname->len); 11981da177e4SLinus Torvalds WRITEMEM(newname->name, newname->len); 11991da177e4SLinus Torvalds 12001da177e4SLinus Torvalds return 0; 12011da177e4SLinus Torvalds } 12021da177e4SLinus Torvalds 1203adfa6f98SDavid Howells static int encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_stateid) 12041da177e4SLinus Torvalds { 12058687b63aSAl Viro __be32 *p; 12061da177e4SLinus Torvalds 12071da177e4SLinus Torvalds RESERVE_SPACE(12); 12081da177e4SLinus Torvalds WRITE32(OP_RENEW); 12091da177e4SLinus Torvalds WRITE64(client_stateid->cl_clientid); 12101da177e4SLinus Torvalds 12111da177e4SLinus Torvalds return 0; 12121da177e4SLinus Torvalds } 12131da177e4SLinus Torvalds 12141da177e4SLinus Torvalds static int 121556ae19f3STrond Myklebust encode_restorefh(struct xdr_stream *xdr) 121656ae19f3STrond Myklebust { 12178687b63aSAl Viro __be32 *p; 121856ae19f3STrond Myklebust 121956ae19f3STrond Myklebust RESERVE_SPACE(4); 122056ae19f3STrond Myklebust WRITE32(OP_RESTOREFH); 122156ae19f3STrond Myklebust 122256ae19f3STrond Myklebust return 0; 122356ae19f3STrond Myklebust } 122456ae19f3STrond Myklebust 122556ae19f3STrond Myklebust static int 122623ec6965SJ. Bruce Fields encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg) 122723ec6965SJ. Bruce Fields { 12288687b63aSAl Viro __be32 *p; 122923ec6965SJ. Bruce Fields 12308ae20abdSTrond Myklebust RESERVE_SPACE(4+NFS4_STATEID_SIZE); 123123ec6965SJ. Bruce Fields WRITE32(OP_SETATTR); 12328ae20abdSTrond Myklebust WRITEMEM(zero_stateid.data, NFS4_STATEID_SIZE); 123323ec6965SJ. Bruce Fields RESERVE_SPACE(2*4); 123423ec6965SJ. Bruce Fields WRITE32(1); 123523ec6965SJ. Bruce Fields WRITE32(FATTR4_WORD0_ACL); 123623ec6965SJ. Bruce Fields if (arg->acl_len % 4) 123723ec6965SJ. Bruce Fields return -EINVAL; 123823ec6965SJ. Bruce Fields RESERVE_SPACE(4); 123923ec6965SJ. Bruce Fields WRITE32(arg->acl_len); 124023ec6965SJ. Bruce Fields xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); 124123ec6965SJ. Bruce Fields return 0; 124223ec6965SJ. Bruce Fields } 124323ec6965SJ. Bruce Fields 124423ec6965SJ. Bruce Fields static int 12451da177e4SLinus Torvalds encode_savefh(struct xdr_stream *xdr) 12461da177e4SLinus Torvalds { 12478687b63aSAl Viro __be32 *p; 12481da177e4SLinus Torvalds 12491da177e4SLinus Torvalds RESERVE_SPACE(4); 12501da177e4SLinus Torvalds WRITE32(OP_SAVEFH); 12511da177e4SLinus Torvalds 12521da177e4SLinus Torvalds return 0; 12531da177e4SLinus Torvalds } 12541da177e4SLinus Torvalds 12551da177e4SLinus Torvalds static int encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server) 12561da177e4SLinus Torvalds { 12571da177e4SLinus Torvalds int status; 12588687b63aSAl Viro __be32 *p; 12591da177e4SLinus Torvalds 12608ae20abdSTrond Myklebust RESERVE_SPACE(4+NFS4_STATEID_SIZE); 12611da177e4SLinus Torvalds WRITE32(OP_SETATTR); 12628ae20abdSTrond Myklebust WRITEMEM(arg->stateid.data, NFS4_STATEID_SIZE); 12631da177e4SLinus Torvalds 12641da177e4SLinus Torvalds if ((status = encode_attrs(xdr, arg->iap, server))) 12651da177e4SLinus Torvalds return status; 12661da177e4SLinus Torvalds 12671da177e4SLinus Torvalds return 0; 12681da177e4SLinus Torvalds } 12691da177e4SLinus Torvalds 12701da177e4SLinus Torvalds static int encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid) 12711da177e4SLinus Torvalds { 12728687b63aSAl Viro __be32 *p; 12731da177e4SLinus Torvalds 12748ae20abdSTrond Myklebust RESERVE_SPACE(4 + NFS4_VERIFIER_SIZE); 12751da177e4SLinus Torvalds WRITE32(OP_SETCLIENTID); 12768ae20abdSTrond Myklebust WRITEMEM(setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE); 12771da177e4SLinus Torvalds 12781da177e4SLinus Torvalds encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); 12791da177e4SLinus Torvalds RESERVE_SPACE(4); 12801da177e4SLinus Torvalds WRITE32(setclientid->sc_prog); 12811da177e4SLinus Torvalds encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); 12821da177e4SLinus Torvalds encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); 12831da177e4SLinus Torvalds RESERVE_SPACE(4); 12841da177e4SLinus Torvalds WRITE32(setclientid->sc_cb_ident); 12851da177e4SLinus Torvalds 12861da177e4SLinus Torvalds return 0; 12871da177e4SLinus Torvalds } 12881da177e4SLinus Torvalds 1289adfa6f98SDavid Howells static int encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs_client *client_state) 12901da177e4SLinus Torvalds { 12918687b63aSAl Viro __be32 *p; 12921da177e4SLinus Torvalds 12938ae20abdSTrond Myklebust RESERVE_SPACE(12 + NFS4_VERIFIER_SIZE); 12941da177e4SLinus Torvalds WRITE32(OP_SETCLIENTID_CONFIRM); 12951da177e4SLinus Torvalds WRITE64(client_state->cl_clientid); 12968ae20abdSTrond Myklebust WRITEMEM(client_state->cl_confirm.data, NFS4_VERIFIER_SIZE); 12971da177e4SLinus Torvalds 12981da177e4SLinus Torvalds return 0; 12991da177e4SLinus Torvalds } 13001da177e4SLinus Torvalds 13011da177e4SLinus Torvalds static int encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args) 13021da177e4SLinus Torvalds { 13038687b63aSAl Viro __be32 *p; 13041da177e4SLinus Torvalds 13051da177e4SLinus Torvalds RESERVE_SPACE(4); 13061da177e4SLinus Torvalds WRITE32(OP_WRITE); 13071da177e4SLinus Torvalds 13081da177e4SLinus Torvalds encode_stateid(xdr, args->context); 13091da177e4SLinus Torvalds 13101da177e4SLinus Torvalds RESERVE_SPACE(16); 13111da177e4SLinus Torvalds WRITE64(args->offset); 13121da177e4SLinus Torvalds WRITE32(args->stable); 13131da177e4SLinus Torvalds WRITE32(args->count); 13141da177e4SLinus Torvalds 13151da177e4SLinus Torvalds xdr_write_pages(xdr, args->pages, args->pgbase, args->count); 13161da177e4SLinus Torvalds 13171da177e4SLinus Torvalds return 0; 13181da177e4SLinus Torvalds } 13191da177e4SLinus Torvalds 13201da177e4SLinus Torvalds static int encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid) 13211da177e4SLinus Torvalds { 13228687b63aSAl Viro __be32 *p; 13231da177e4SLinus Torvalds 13248ae20abdSTrond Myklebust RESERVE_SPACE(4+NFS4_STATEID_SIZE); 13251da177e4SLinus Torvalds 13261da177e4SLinus Torvalds WRITE32(OP_DELEGRETURN); 13278ae20abdSTrond Myklebust WRITEMEM(stateid->data, NFS4_STATEID_SIZE); 13281da177e4SLinus Torvalds return 0; 13291da177e4SLinus Torvalds 13301da177e4SLinus Torvalds } 13311da177e4SLinus Torvalds /* 13321da177e4SLinus Torvalds * END OF "GENERIC" ENCODE ROUTINES. 13331da177e4SLinus Torvalds */ 13341da177e4SLinus Torvalds 13351da177e4SLinus Torvalds /* 13361da177e4SLinus Torvalds * Encode an ACCESS request 13371da177e4SLinus Torvalds */ 13388687b63aSAl Viro static int nfs4_xdr_enc_access(struct rpc_rqst *req, __be32 *p, const struct nfs4_accessargs *args) 13391da177e4SLinus Torvalds { 13401da177e4SLinus Torvalds struct xdr_stream xdr; 13411da177e4SLinus Torvalds struct compound_hdr hdr = { 13421da177e4SLinus Torvalds .nops = 2, 13431da177e4SLinus Torvalds }; 13441da177e4SLinus Torvalds int status; 13451da177e4SLinus Torvalds 13461da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 13471da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 13481da177e4SLinus Torvalds if ((status = encode_putfh(&xdr, args->fh)) == 0) 13491da177e4SLinus Torvalds status = encode_access(&xdr, args->access); 13501da177e4SLinus Torvalds return status; 13511da177e4SLinus Torvalds } 13521da177e4SLinus Torvalds 13531da177e4SLinus Torvalds /* 13541da177e4SLinus Torvalds * Encode LOOKUP request 13551da177e4SLinus Torvalds */ 13568687b63aSAl Viro static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_arg *args) 13571da177e4SLinus Torvalds { 13581da177e4SLinus Torvalds struct xdr_stream xdr; 13591da177e4SLinus Torvalds struct compound_hdr hdr = { 13601da177e4SLinus Torvalds .nops = 4, 13611da177e4SLinus Torvalds }; 13621da177e4SLinus Torvalds int status; 13631da177e4SLinus Torvalds 13641da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 13651da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 13661da177e4SLinus Torvalds if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) 13671da177e4SLinus Torvalds goto out; 13681da177e4SLinus Torvalds if ((status = encode_lookup(&xdr, args->name)) != 0) 13691da177e4SLinus Torvalds goto out; 13701da177e4SLinus Torvalds if ((status = encode_getfh(&xdr)) != 0) 13711da177e4SLinus Torvalds goto out; 13721da177e4SLinus Torvalds status = encode_getfattr(&xdr, args->bitmask); 13731da177e4SLinus Torvalds out: 13741da177e4SLinus Torvalds return status; 13751da177e4SLinus Torvalds } 13761da177e4SLinus Torvalds 13771da177e4SLinus Torvalds /* 13781da177e4SLinus Torvalds * Encode LOOKUP_ROOT request 13791da177e4SLinus Torvalds */ 13808687b63aSAl Viro static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_root_arg *args) 13811da177e4SLinus Torvalds { 13821da177e4SLinus Torvalds struct xdr_stream xdr; 13831da177e4SLinus Torvalds struct compound_hdr hdr = { 13841da177e4SLinus Torvalds .nops = 3, 13851da177e4SLinus Torvalds }; 13861da177e4SLinus Torvalds int status; 13871da177e4SLinus Torvalds 13881da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 13891da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 13901da177e4SLinus Torvalds if ((status = encode_putrootfh(&xdr)) != 0) 13911da177e4SLinus Torvalds goto out; 13921da177e4SLinus Torvalds if ((status = encode_getfh(&xdr)) == 0) 13931da177e4SLinus Torvalds status = encode_getfattr(&xdr, args->bitmask); 13941da177e4SLinus Torvalds out: 13951da177e4SLinus Torvalds return status; 13961da177e4SLinus Torvalds } 13971da177e4SLinus Torvalds 13981da177e4SLinus Torvalds /* 13991da177e4SLinus Torvalds * Encode REMOVE request 14001da177e4SLinus Torvalds */ 14018687b63aSAl Viro static int nfs4_xdr_enc_remove(struct rpc_rqst *req, __be32 *p, const struct nfs4_remove_arg *args) 14021da177e4SLinus Torvalds { 14031da177e4SLinus Torvalds struct xdr_stream xdr; 14041da177e4SLinus Torvalds struct compound_hdr hdr = { 140516e42959STrond Myklebust .nops = 3, 14061da177e4SLinus Torvalds }; 14071da177e4SLinus Torvalds int status; 14081da177e4SLinus Torvalds 14091da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 14101da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 141116e42959STrond Myklebust if ((status = encode_putfh(&xdr, args->fh)) != 0) 141216e42959STrond Myklebust goto out; 141316e42959STrond Myklebust if ((status = encode_remove(&xdr, args->name)) != 0) 141416e42959STrond Myklebust goto out; 141516e42959STrond Myklebust status = encode_getfattr(&xdr, args->bitmask); 141616e42959STrond Myklebust out: 14171da177e4SLinus Torvalds return status; 14181da177e4SLinus Torvalds } 14191da177e4SLinus Torvalds 14201da177e4SLinus Torvalds /* 14211da177e4SLinus Torvalds * Encode RENAME request 14221da177e4SLinus Torvalds */ 14238687b63aSAl Viro static int nfs4_xdr_enc_rename(struct rpc_rqst *req, __be32 *p, const struct nfs4_rename_arg *args) 14241da177e4SLinus Torvalds { 14251da177e4SLinus Torvalds struct xdr_stream xdr; 14261da177e4SLinus Torvalds struct compound_hdr hdr = { 14276caf2c82STrond Myklebust .nops = 7, 14281da177e4SLinus Torvalds }; 14291da177e4SLinus Torvalds int status; 14301da177e4SLinus Torvalds 14311da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 14321da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 14331da177e4SLinus Torvalds if ((status = encode_putfh(&xdr, args->old_dir)) != 0) 14341da177e4SLinus Torvalds goto out; 14351da177e4SLinus Torvalds if ((status = encode_savefh(&xdr)) != 0) 14361da177e4SLinus Torvalds goto out; 14371da177e4SLinus Torvalds if ((status = encode_putfh(&xdr, args->new_dir)) != 0) 14381da177e4SLinus Torvalds goto out; 14396caf2c82STrond Myklebust if ((status = encode_rename(&xdr, args->old_name, args->new_name)) != 0) 14406caf2c82STrond Myklebust goto out; 14416caf2c82STrond Myklebust if ((status = encode_getfattr(&xdr, args->bitmask)) != 0) 14426caf2c82STrond Myklebust goto out; 14436caf2c82STrond Myklebust if ((status = encode_restorefh(&xdr)) != 0) 14446caf2c82STrond Myklebust goto out; 14456caf2c82STrond Myklebust status = encode_getfattr(&xdr, args->bitmask); 14461da177e4SLinus Torvalds out: 14471da177e4SLinus Torvalds return status; 14481da177e4SLinus Torvalds } 14491da177e4SLinus Torvalds 14501da177e4SLinus Torvalds /* 14511da177e4SLinus Torvalds * Encode LINK request 14521da177e4SLinus Torvalds */ 14538687b63aSAl Viro static int nfs4_xdr_enc_link(struct rpc_rqst *req, __be32 *p, const struct nfs4_link_arg *args) 14541da177e4SLinus Torvalds { 14551da177e4SLinus Torvalds struct xdr_stream xdr; 14561da177e4SLinus Torvalds struct compound_hdr hdr = { 145791ba2eeeSTrond Myklebust .nops = 7, 14581da177e4SLinus Torvalds }; 14591da177e4SLinus Torvalds int status; 14601da177e4SLinus Torvalds 14611da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 14621da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 14631da177e4SLinus Torvalds if ((status = encode_putfh(&xdr, args->fh)) != 0) 14641da177e4SLinus Torvalds goto out; 14651da177e4SLinus Torvalds if ((status = encode_savefh(&xdr)) != 0) 14661da177e4SLinus Torvalds goto out; 14671da177e4SLinus Torvalds if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) 14681da177e4SLinus Torvalds goto out; 146991ba2eeeSTrond Myklebust if ((status = encode_link(&xdr, args->name)) != 0) 147091ba2eeeSTrond Myklebust goto out; 147191ba2eeeSTrond Myklebust if ((status = encode_getfattr(&xdr, args->bitmask)) != 0) 147291ba2eeeSTrond Myklebust goto out; 147391ba2eeeSTrond Myklebust if ((status = encode_restorefh(&xdr)) != 0) 147491ba2eeeSTrond Myklebust goto out; 147591ba2eeeSTrond Myklebust status = encode_getfattr(&xdr, args->bitmask); 14761da177e4SLinus Torvalds out: 14771da177e4SLinus Torvalds return status; 14781da177e4SLinus Torvalds } 14791da177e4SLinus Torvalds 14801da177e4SLinus Torvalds /* 14811da177e4SLinus Torvalds * Encode CREATE request 14821da177e4SLinus Torvalds */ 14838687b63aSAl Viro static int nfs4_xdr_enc_create(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args) 14841da177e4SLinus Torvalds { 14851da177e4SLinus Torvalds struct xdr_stream xdr; 14861da177e4SLinus Torvalds struct compound_hdr hdr = { 148756ae19f3STrond Myklebust .nops = 7, 14881da177e4SLinus Torvalds }; 14891da177e4SLinus Torvalds int status; 14901da177e4SLinus Torvalds 14911da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 14921da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 14931da177e4SLinus Torvalds if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) 14941da177e4SLinus Torvalds goto out; 149556ae19f3STrond Myklebust if ((status = encode_savefh(&xdr)) != 0) 149656ae19f3STrond Myklebust goto out; 14971da177e4SLinus Torvalds if ((status = encode_create(&xdr, args)) != 0) 14981da177e4SLinus Torvalds goto out; 14991da177e4SLinus Torvalds if ((status = encode_getfh(&xdr)) != 0) 15001da177e4SLinus Torvalds goto out; 150156ae19f3STrond Myklebust if ((status = encode_getfattr(&xdr, args->bitmask)) != 0) 150256ae19f3STrond Myklebust goto out; 150356ae19f3STrond Myklebust if ((status = encode_restorefh(&xdr)) != 0) 150456ae19f3STrond Myklebust goto out; 15051da177e4SLinus Torvalds status = encode_getfattr(&xdr, args->bitmask); 15061da177e4SLinus Torvalds out: 15071da177e4SLinus Torvalds return status; 15081da177e4SLinus Torvalds } 15091da177e4SLinus Torvalds 15101da177e4SLinus Torvalds /* 15111da177e4SLinus Torvalds * Encode SYMLINK request 15121da177e4SLinus Torvalds */ 15138687b63aSAl Viro static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args) 15141da177e4SLinus Torvalds { 15151da177e4SLinus Torvalds return nfs4_xdr_enc_create(req, p, args); 15161da177e4SLinus Torvalds } 15171da177e4SLinus Torvalds 15181da177e4SLinus Torvalds /* 15191da177e4SLinus Torvalds * Encode GETATTR request 15201da177e4SLinus Torvalds */ 15218687b63aSAl Viro static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, __be32 *p, const struct nfs4_getattr_arg *args) 15221da177e4SLinus Torvalds { 15231da177e4SLinus Torvalds struct xdr_stream xdr; 15241da177e4SLinus Torvalds struct compound_hdr hdr = { 15251da177e4SLinus Torvalds .nops = 2, 15261da177e4SLinus Torvalds }; 15271da177e4SLinus Torvalds int status; 15281da177e4SLinus Torvalds 15291da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 15301da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 15311da177e4SLinus Torvalds if ((status = encode_putfh(&xdr, args->fh)) == 0) 15321da177e4SLinus Torvalds status = encode_getfattr(&xdr, args->bitmask); 15331da177e4SLinus Torvalds return status; 15341da177e4SLinus Torvalds } 15351da177e4SLinus Torvalds 15361da177e4SLinus Torvalds /* 15371da177e4SLinus Torvalds * Encode a CLOSE request 15381da177e4SLinus Torvalds */ 15398687b63aSAl Viro static int nfs4_xdr_enc_close(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args) 15401da177e4SLinus Torvalds { 15411da177e4SLinus Torvalds struct xdr_stream xdr; 15421da177e4SLinus Torvalds struct compound_hdr hdr = { 1543516a6af6STrond Myklebust .nops = 3, 15441da177e4SLinus Torvalds }; 15451da177e4SLinus Torvalds int status; 15461da177e4SLinus Torvalds 15471da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 15481da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 15491da177e4SLinus Torvalds status = encode_putfh(&xdr, args->fh); 15501da177e4SLinus Torvalds if(status) 15511da177e4SLinus Torvalds goto out; 15521da177e4SLinus Torvalds status = encode_close(&xdr, args); 1553516a6af6STrond Myklebust if (status != 0) 1554516a6af6STrond Myklebust goto out; 1555516a6af6STrond Myklebust status = encode_getfattr(&xdr, args->bitmask); 15561da177e4SLinus Torvalds out: 15571da177e4SLinus Torvalds return status; 15581da177e4SLinus Torvalds } 15591da177e4SLinus Torvalds 15601da177e4SLinus Torvalds /* 15611da177e4SLinus Torvalds * Encode an OPEN request 15621da177e4SLinus Torvalds */ 15638687b63aSAl Viro static int nfs4_xdr_enc_open(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args) 15641da177e4SLinus Torvalds { 15651da177e4SLinus Torvalds struct xdr_stream xdr; 15661da177e4SLinus Torvalds struct compound_hdr hdr = { 156756ae19f3STrond Myklebust .nops = 7, 15681da177e4SLinus Torvalds }; 15691da177e4SLinus Torvalds int status; 15701da177e4SLinus Torvalds 15711da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 15721da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 15731da177e4SLinus Torvalds status = encode_putfh(&xdr, args->fh); 15741da177e4SLinus Torvalds if (status) 15751da177e4SLinus Torvalds goto out; 157656ae19f3STrond Myklebust status = encode_savefh(&xdr); 157756ae19f3STrond Myklebust if (status) 157856ae19f3STrond Myklebust goto out; 15791da177e4SLinus Torvalds status = encode_open(&xdr, args); 15801da177e4SLinus Torvalds if (status) 15811da177e4SLinus Torvalds goto out; 15821da177e4SLinus Torvalds status = encode_getfh(&xdr); 15831da177e4SLinus Torvalds if (status) 15841da177e4SLinus Torvalds goto out; 15851da177e4SLinus Torvalds status = encode_getfattr(&xdr, args->bitmask); 158656ae19f3STrond Myklebust if (status) 158756ae19f3STrond Myklebust goto out; 158856ae19f3STrond Myklebust status = encode_restorefh(&xdr); 158956ae19f3STrond Myklebust if (status) 159056ae19f3STrond Myklebust goto out; 159156ae19f3STrond Myklebust status = encode_getfattr(&xdr, args->bitmask); 15921da177e4SLinus Torvalds out: 15931da177e4SLinus Torvalds return status; 15941da177e4SLinus Torvalds } 15951da177e4SLinus Torvalds 15961da177e4SLinus Torvalds /* 15971da177e4SLinus Torvalds * Encode an OPEN_CONFIRM request 15981da177e4SLinus Torvalds */ 15998687b63aSAl Viro static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_open_confirmargs *args) 16001da177e4SLinus Torvalds { 16011da177e4SLinus Torvalds struct xdr_stream xdr; 16021da177e4SLinus Torvalds struct compound_hdr hdr = { 16031da177e4SLinus Torvalds .nops = 2, 16041da177e4SLinus Torvalds }; 16051da177e4SLinus Torvalds int status; 16061da177e4SLinus Torvalds 16071da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 16081da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 16091da177e4SLinus Torvalds status = encode_putfh(&xdr, args->fh); 16101da177e4SLinus Torvalds if(status) 16111da177e4SLinus Torvalds goto out; 16121da177e4SLinus Torvalds status = encode_open_confirm(&xdr, args); 16131da177e4SLinus Torvalds out: 16141da177e4SLinus Torvalds return status; 16151da177e4SLinus Torvalds } 16161da177e4SLinus Torvalds 16171da177e4SLinus Torvalds /* 16181da177e4SLinus Torvalds * Encode an OPEN request with no attributes. 16191da177e4SLinus Torvalds */ 16208687b63aSAl Viro static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args) 16211da177e4SLinus Torvalds { 16221da177e4SLinus Torvalds struct xdr_stream xdr; 16231da177e4SLinus Torvalds struct compound_hdr hdr = { 1624864472e9STrond Myklebust .nops = 3, 16251da177e4SLinus Torvalds }; 16261da177e4SLinus Torvalds int status; 16271da177e4SLinus Torvalds 16281da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 16291da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 16301da177e4SLinus Torvalds status = encode_putfh(&xdr, args->fh); 16311da177e4SLinus Torvalds if (status) 16321da177e4SLinus Torvalds goto out; 16331da177e4SLinus Torvalds status = encode_open(&xdr, args); 1634864472e9STrond Myklebust if (status) 1635864472e9STrond Myklebust goto out; 1636864472e9STrond Myklebust status = encode_getfattr(&xdr, args->bitmask); 16371da177e4SLinus Torvalds out: 16381da177e4SLinus Torvalds return status; 16391da177e4SLinus Torvalds } 16401da177e4SLinus Torvalds 16411da177e4SLinus Torvalds /* 16421da177e4SLinus Torvalds * Encode an OPEN_DOWNGRADE request 16431da177e4SLinus Torvalds */ 16448687b63aSAl Viro static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args) 16451da177e4SLinus Torvalds { 16461da177e4SLinus Torvalds struct xdr_stream xdr; 16471da177e4SLinus Torvalds struct compound_hdr hdr = { 1648516a6af6STrond Myklebust .nops = 3, 16491da177e4SLinus Torvalds }; 16501da177e4SLinus Torvalds int status; 16511da177e4SLinus Torvalds 16521da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 16531da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 16541da177e4SLinus Torvalds status = encode_putfh(&xdr, args->fh); 16551da177e4SLinus Torvalds if (status) 16561da177e4SLinus Torvalds goto out; 16571da177e4SLinus Torvalds status = encode_open_downgrade(&xdr, args); 1658516a6af6STrond Myklebust if (status != 0) 1659516a6af6STrond Myklebust goto out; 1660516a6af6STrond Myklebust status = encode_getfattr(&xdr, args->bitmask); 16611da177e4SLinus Torvalds out: 16621da177e4SLinus Torvalds return status; 16631da177e4SLinus Torvalds } 16641da177e4SLinus Torvalds 16651da177e4SLinus Torvalds /* 16661da177e4SLinus Torvalds * Encode a LOCK request 16671da177e4SLinus Torvalds */ 16688687b63aSAl Viro static int nfs4_xdr_enc_lock(struct rpc_rqst *req, __be32 *p, struct nfs_lock_args *args) 16691da177e4SLinus Torvalds { 16701da177e4SLinus Torvalds struct xdr_stream xdr; 16711da177e4SLinus Torvalds struct compound_hdr hdr = { 16721da177e4SLinus Torvalds .nops = 2, 16731da177e4SLinus Torvalds }; 16741da177e4SLinus Torvalds int status; 16751da177e4SLinus Torvalds 16761da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 16771da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 16781da177e4SLinus Torvalds status = encode_putfh(&xdr, args->fh); 16791da177e4SLinus Torvalds if(status) 16801da177e4SLinus Torvalds goto out; 16811da177e4SLinus Torvalds status = encode_lock(&xdr, args); 16821da177e4SLinus Torvalds out: 16831da177e4SLinus Torvalds return status; 16841da177e4SLinus Torvalds } 16851da177e4SLinus Torvalds 16861da177e4SLinus Torvalds /* 16871da177e4SLinus Torvalds * Encode a LOCKT request 16881da177e4SLinus Torvalds */ 16898687b63aSAl Viro static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, __be32 *p, struct nfs_lockt_args *args) 16901da177e4SLinus Torvalds { 16911da177e4SLinus Torvalds struct xdr_stream xdr; 16921da177e4SLinus Torvalds struct compound_hdr hdr = { 16931da177e4SLinus Torvalds .nops = 2, 16941da177e4SLinus Torvalds }; 16951da177e4SLinus Torvalds int status; 16961da177e4SLinus Torvalds 16971da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 16981da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 16991da177e4SLinus Torvalds status = encode_putfh(&xdr, args->fh); 17001da177e4SLinus Torvalds if(status) 17011da177e4SLinus Torvalds goto out; 17021da177e4SLinus Torvalds status = encode_lockt(&xdr, args); 17031da177e4SLinus Torvalds out: 17041da177e4SLinus Torvalds return status; 17051da177e4SLinus Torvalds } 17061da177e4SLinus Torvalds 17071da177e4SLinus Torvalds /* 17081da177e4SLinus Torvalds * Encode a LOCKU request 17091da177e4SLinus Torvalds */ 17108687b63aSAl Viro static int nfs4_xdr_enc_locku(struct rpc_rqst *req, __be32 *p, struct nfs_locku_args *args) 17111da177e4SLinus Torvalds { 17121da177e4SLinus Torvalds struct xdr_stream xdr; 17131da177e4SLinus Torvalds struct compound_hdr hdr = { 17141da177e4SLinus Torvalds .nops = 2, 17151da177e4SLinus Torvalds }; 17161da177e4SLinus Torvalds int status; 17171da177e4SLinus Torvalds 17181da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 17191da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 17201da177e4SLinus Torvalds status = encode_putfh(&xdr, args->fh); 17211da177e4SLinus Torvalds if(status) 17221da177e4SLinus Torvalds goto out; 17231da177e4SLinus Torvalds status = encode_locku(&xdr, args); 17241da177e4SLinus Torvalds out: 17251da177e4SLinus Torvalds return status; 17261da177e4SLinus Torvalds } 17271da177e4SLinus Torvalds 17281da177e4SLinus Torvalds /* 17291da177e4SLinus Torvalds * Encode a READLINK request 17301da177e4SLinus Torvalds */ 17318687b63aSAl Viro static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_readlink *args) 17321da177e4SLinus Torvalds { 17331da177e4SLinus Torvalds struct xdr_stream xdr; 17341da177e4SLinus Torvalds struct compound_hdr hdr = { 17351da177e4SLinus Torvalds .nops = 2, 17361da177e4SLinus Torvalds }; 17371da177e4SLinus Torvalds int status; 17381da177e4SLinus Torvalds 17391da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 17401da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 17411da177e4SLinus Torvalds status = encode_putfh(&xdr, args->fh); 17421da177e4SLinus Torvalds if(status) 17431da177e4SLinus Torvalds goto out; 17441da177e4SLinus Torvalds status = encode_readlink(&xdr, args, req); 17451da177e4SLinus Torvalds out: 17461da177e4SLinus Torvalds return status; 17471da177e4SLinus Torvalds } 17481da177e4SLinus Torvalds 17491da177e4SLinus Torvalds /* 17501da177e4SLinus Torvalds * Encode a READDIR request 17511da177e4SLinus Torvalds */ 17528687b63aSAl Viro static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, __be32 *p, const struct nfs4_readdir_arg *args) 17531da177e4SLinus Torvalds { 17541da177e4SLinus Torvalds struct xdr_stream xdr; 17551da177e4SLinus Torvalds struct compound_hdr hdr = { 17561da177e4SLinus Torvalds .nops = 2, 17571da177e4SLinus Torvalds }; 17581da177e4SLinus Torvalds int status; 17591da177e4SLinus Torvalds 17601da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 17611da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 17621da177e4SLinus Torvalds status = encode_putfh(&xdr, args->fh); 17631da177e4SLinus Torvalds if(status) 17641da177e4SLinus Torvalds goto out; 17651da177e4SLinus Torvalds status = encode_readdir(&xdr, args, req); 17661da177e4SLinus Torvalds out: 17671da177e4SLinus Torvalds return status; 17681da177e4SLinus Torvalds } 17691da177e4SLinus Torvalds 17701da177e4SLinus Torvalds /* 17711da177e4SLinus Torvalds * Encode a READ request 17721da177e4SLinus Torvalds */ 17738687b63aSAl Viro static int nfs4_xdr_enc_read(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args) 17741da177e4SLinus Torvalds { 17751be27f36STrond Myklebust struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; 17761da177e4SLinus Torvalds struct xdr_stream xdr; 17771da177e4SLinus Torvalds struct compound_hdr hdr = { 17781da177e4SLinus Torvalds .nops = 2, 17791da177e4SLinus Torvalds }; 17801da177e4SLinus Torvalds int replen, status; 17811da177e4SLinus Torvalds 17821da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 17831da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 17841da177e4SLinus Torvalds status = encode_putfh(&xdr, args->fh); 17851da177e4SLinus Torvalds if (status) 17861da177e4SLinus Torvalds goto out; 17871da177e4SLinus Torvalds status = encode_read(&xdr, args); 17881da177e4SLinus Torvalds if (status) 17891da177e4SLinus Torvalds goto out; 17901da177e4SLinus Torvalds 17911da177e4SLinus Torvalds /* set up reply kvec 17921da177e4SLinus Torvalds * toplevel status + taglen=0 + rescount + OP_PUTFH + status 17931da177e4SLinus Torvalds * + OP_READ + status + eof + datalen = 9 17941da177e4SLinus Torvalds */ 17951da177e4SLinus Torvalds replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_read_sz) << 2; 17961da177e4SLinus Torvalds xdr_inline_pages(&req->rq_rcv_buf, replen, 17971da177e4SLinus Torvalds args->pages, args->pgbase, args->count); 17981da177e4SLinus Torvalds out: 17991da177e4SLinus Torvalds return status; 18001da177e4SLinus Torvalds } 18011da177e4SLinus Torvalds 18021da177e4SLinus Torvalds /* 18031da177e4SLinus Torvalds * Encode an SETATTR request 18041da177e4SLinus Torvalds */ 18058687b63aSAl Viro static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, __be32 *p, struct nfs_setattrargs *args) 18061da177e4SLinus Torvalds 18071da177e4SLinus Torvalds { 18081da177e4SLinus Torvalds struct xdr_stream xdr; 18091da177e4SLinus Torvalds struct compound_hdr hdr = { 18101da177e4SLinus Torvalds .nops = 3, 18111da177e4SLinus Torvalds }; 18121da177e4SLinus Torvalds int status; 18131da177e4SLinus Torvalds 18141da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 18151da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 18161da177e4SLinus Torvalds status = encode_putfh(&xdr, args->fh); 18171da177e4SLinus Torvalds if(status) 18181da177e4SLinus Torvalds goto out; 18191da177e4SLinus Torvalds status = encode_setattr(&xdr, args, args->server); 18201da177e4SLinus Torvalds if(status) 18211da177e4SLinus Torvalds goto out; 18221da177e4SLinus Torvalds status = encode_getfattr(&xdr, args->bitmask); 18231da177e4SLinus Torvalds out: 18241da177e4SLinus Torvalds return status; 18251da177e4SLinus Torvalds } 18261da177e4SLinus Torvalds 18271da177e4SLinus Torvalds /* 1828029d105eSJ. Bruce Fields * Encode a GETACL request 1829029d105eSJ. Bruce Fields */ 1830029d105eSJ. Bruce Fields static int 18318687b63aSAl Viro nfs4_xdr_enc_getacl(struct rpc_rqst *req, __be32 *p, 1832029d105eSJ. Bruce Fields struct nfs_getaclargs *args) 1833029d105eSJ. Bruce Fields { 1834029d105eSJ. Bruce Fields struct xdr_stream xdr; 18351be27f36STrond Myklebust struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; 1836029d105eSJ. Bruce Fields struct compound_hdr hdr = { 1837029d105eSJ. Bruce Fields .nops = 2, 1838029d105eSJ. Bruce Fields }; 1839029d105eSJ. Bruce Fields int replen, status; 1840029d105eSJ. Bruce Fields 1841029d105eSJ. Bruce Fields xdr_init_encode(&xdr, &req->rq_snd_buf, p); 1842029d105eSJ. Bruce Fields encode_compound_hdr(&xdr, &hdr); 1843029d105eSJ. Bruce Fields status = encode_putfh(&xdr, args->fh); 1844029d105eSJ. Bruce Fields if (status) 1845029d105eSJ. Bruce Fields goto out; 1846029d105eSJ. Bruce Fields status = encode_getattr_two(&xdr, FATTR4_WORD0_ACL, 0); 1847029d105eSJ. Bruce Fields /* set up reply buffer: */ 1848029d105eSJ. Bruce Fields replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_getacl_sz) << 2; 1849029d105eSJ. Bruce Fields xdr_inline_pages(&req->rq_rcv_buf, replen, 1850029d105eSJ. Bruce Fields args->acl_pages, args->acl_pgbase, args->acl_len); 1851029d105eSJ. Bruce Fields out: 1852029d105eSJ. Bruce Fields return status; 1853029d105eSJ. Bruce Fields } 1854029d105eSJ. Bruce Fields 1855029d105eSJ. Bruce Fields /* 18561da177e4SLinus Torvalds * Encode a WRITE request 18571da177e4SLinus Torvalds */ 18588687b63aSAl Viro static int nfs4_xdr_enc_write(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) 18591da177e4SLinus Torvalds { 18601da177e4SLinus Torvalds struct xdr_stream xdr; 18611da177e4SLinus Torvalds struct compound_hdr hdr = { 18624f9838c7STrond Myklebust .nops = 3, 18631da177e4SLinus Torvalds }; 18641da177e4SLinus Torvalds int status; 18651da177e4SLinus Torvalds 18661da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 18671da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 18681da177e4SLinus Torvalds status = encode_putfh(&xdr, args->fh); 18691da177e4SLinus Torvalds if (status) 18701da177e4SLinus Torvalds goto out; 18711da177e4SLinus Torvalds status = encode_write(&xdr, args); 18724f9838c7STrond Myklebust if (status) 18734f9838c7STrond Myklebust goto out; 18744f9838c7STrond Myklebust status = encode_getfattr(&xdr, args->bitmask); 18751da177e4SLinus Torvalds out: 18761da177e4SLinus Torvalds return status; 18771da177e4SLinus Torvalds } 18781da177e4SLinus Torvalds 18791da177e4SLinus Torvalds /* 18801da177e4SLinus Torvalds * a COMMIT request 18811da177e4SLinus Torvalds */ 18828687b63aSAl Viro static int nfs4_xdr_enc_commit(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) 18831da177e4SLinus Torvalds { 18841da177e4SLinus Torvalds struct xdr_stream xdr; 18851da177e4SLinus Torvalds struct compound_hdr hdr = { 18864f9838c7STrond Myklebust .nops = 3, 18871da177e4SLinus Torvalds }; 18881da177e4SLinus Torvalds int status; 18891da177e4SLinus Torvalds 18901da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 18911da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 18921da177e4SLinus Torvalds status = encode_putfh(&xdr, args->fh); 18931da177e4SLinus Torvalds if (status) 18941da177e4SLinus Torvalds goto out; 18951da177e4SLinus Torvalds status = encode_commit(&xdr, args); 18964f9838c7STrond Myklebust if (status) 18974f9838c7STrond Myklebust goto out; 18984f9838c7STrond Myklebust status = encode_getfattr(&xdr, args->bitmask); 18991da177e4SLinus Torvalds out: 19001da177e4SLinus Torvalds return status; 19011da177e4SLinus Torvalds } 19021da177e4SLinus Torvalds 19031da177e4SLinus Torvalds /* 19041da177e4SLinus Torvalds * FSINFO request 19051da177e4SLinus Torvalds */ 19068687b63aSAl Viro static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs4_fsinfo_arg *args) 19071da177e4SLinus Torvalds { 19081da177e4SLinus Torvalds struct xdr_stream xdr; 19091da177e4SLinus Torvalds struct compound_hdr hdr = { 19101da177e4SLinus Torvalds .nops = 2, 19111da177e4SLinus Torvalds }; 19121da177e4SLinus Torvalds int status; 19131da177e4SLinus Torvalds 19141da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 19151da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 19161da177e4SLinus Torvalds status = encode_putfh(&xdr, args->fh); 19171da177e4SLinus Torvalds if (!status) 19181da177e4SLinus Torvalds status = encode_fsinfo(&xdr, args->bitmask); 19191da177e4SLinus Torvalds return status; 19201da177e4SLinus Torvalds } 19211da177e4SLinus Torvalds 19221da177e4SLinus Torvalds /* 19231da177e4SLinus Torvalds * a PATHCONF request 19241da177e4SLinus Torvalds */ 19258687b63aSAl Viro static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, __be32 *p, const struct nfs4_pathconf_arg *args) 19261da177e4SLinus Torvalds { 19271da177e4SLinus Torvalds struct xdr_stream xdr; 19281da177e4SLinus Torvalds struct compound_hdr hdr = { 19291da177e4SLinus Torvalds .nops = 2, 19301da177e4SLinus Torvalds }; 19311da177e4SLinus Torvalds int status; 19321da177e4SLinus Torvalds 19331da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 19341da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 19351da177e4SLinus Torvalds status = encode_putfh(&xdr, args->fh); 19361da177e4SLinus Torvalds if (!status) 19371da177e4SLinus Torvalds status = encode_getattr_one(&xdr, 19381da177e4SLinus Torvalds args->bitmask[0] & nfs4_pathconf_bitmap[0]); 19391da177e4SLinus Torvalds return status; 19401da177e4SLinus Torvalds } 19411da177e4SLinus Torvalds 19421da177e4SLinus Torvalds /* 19431da177e4SLinus Torvalds * a STATFS request 19441da177e4SLinus Torvalds */ 19458687b63aSAl Viro static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, __be32 *p, const struct nfs4_statfs_arg *args) 19461da177e4SLinus Torvalds { 19471da177e4SLinus Torvalds struct xdr_stream xdr; 19481da177e4SLinus Torvalds struct compound_hdr hdr = { 19491da177e4SLinus Torvalds .nops = 2, 19501da177e4SLinus Torvalds }; 19511da177e4SLinus Torvalds int status; 19521da177e4SLinus Torvalds 19531da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 19541da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 19551da177e4SLinus Torvalds status = encode_putfh(&xdr, args->fh); 19561da177e4SLinus Torvalds if (status == 0) 19571da177e4SLinus Torvalds status = encode_getattr_two(&xdr, 19581da177e4SLinus Torvalds args->bitmask[0] & nfs4_statfs_bitmap[0], 19591da177e4SLinus Torvalds args->bitmask[1] & nfs4_statfs_bitmap[1]); 19601da177e4SLinus Torvalds return status; 19611da177e4SLinus Torvalds } 19621da177e4SLinus Torvalds 19631da177e4SLinus Torvalds /* 19641da177e4SLinus Torvalds * GETATTR_BITMAP request 19651da177e4SLinus Torvalds */ 19668687b63aSAl Viro static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, __be32 *p, const struct nfs_fh *fhandle) 19671da177e4SLinus Torvalds { 19681da177e4SLinus Torvalds struct xdr_stream xdr; 19691da177e4SLinus Torvalds struct compound_hdr hdr = { 19701da177e4SLinus Torvalds .nops = 2, 19711da177e4SLinus Torvalds }; 19721da177e4SLinus Torvalds int status; 19731da177e4SLinus Torvalds 19741da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 19751da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 19761da177e4SLinus Torvalds status = encode_putfh(&xdr, fhandle); 19771da177e4SLinus Torvalds if (status == 0) 19781da177e4SLinus Torvalds status = encode_getattr_one(&xdr, FATTR4_WORD0_SUPPORTED_ATTRS| 19791da177e4SLinus Torvalds FATTR4_WORD0_LINK_SUPPORT| 19801da177e4SLinus Torvalds FATTR4_WORD0_SYMLINK_SUPPORT| 19811da177e4SLinus Torvalds FATTR4_WORD0_ACLSUPPORT); 19821da177e4SLinus Torvalds return status; 19831da177e4SLinus Torvalds } 19841da177e4SLinus Torvalds 19851da177e4SLinus Torvalds /* 19861da177e4SLinus Torvalds * a RENEW request 19871da177e4SLinus Torvalds */ 19888687b63aSAl Viro static int nfs4_xdr_enc_renew(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp) 19891da177e4SLinus Torvalds { 19901da177e4SLinus Torvalds struct xdr_stream xdr; 19911da177e4SLinus Torvalds struct compound_hdr hdr = { 19921da177e4SLinus Torvalds .nops = 1, 19931da177e4SLinus Torvalds }; 19941da177e4SLinus Torvalds 19951da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 19961da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 19971da177e4SLinus Torvalds return encode_renew(&xdr, clp); 19981da177e4SLinus Torvalds } 19991da177e4SLinus Torvalds 20001da177e4SLinus Torvalds /* 20011da177e4SLinus Torvalds * a SETCLIENTID request 20021da177e4SLinus Torvalds */ 20038687b63aSAl Viro static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, __be32 *p, struct nfs4_setclientid *sc) 20041da177e4SLinus Torvalds { 20051da177e4SLinus Torvalds struct xdr_stream xdr; 20061da177e4SLinus Torvalds struct compound_hdr hdr = { 20071da177e4SLinus Torvalds .nops = 1, 20081da177e4SLinus Torvalds }; 20091da177e4SLinus Torvalds 20101da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 20111da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 20121da177e4SLinus Torvalds return encode_setclientid(&xdr, sc); 20131da177e4SLinus Torvalds } 20141da177e4SLinus Torvalds 20151da177e4SLinus Torvalds /* 20161da177e4SLinus Torvalds * a SETCLIENTID_CONFIRM request 20171da177e4SLinus Torvalds */ 20188687b63aSAl Viro static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp) 20191da177e4SLinus Torvalds { 20201da177e4SLinus Torvalds struct xdr_stream xdr; 20211da177e4SLinus Torvalds struct compound_hdr hdr = { 20221da177e4SLinus Torvalds .nops = 3, 20231da177e4SLinus Torvalds }; 20241da177e4SLinus Torvalds const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; 20251da177e4SLinus Torvalds int status; 20261da177e4SLinus Torvalds 20271da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 20281da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 20291da177e4SLinus Torvalds status = encode_setclientid_confirm(&xdr, clp); 20301da177e4SLinus Torvalds if (!status) 20311da177e4SLinus Torvalds status = encode_putrootfh(&xdr); 20321da177e4SLinus Torvalds if (!status) 20331da177e4SLinus Torvalds status = encode_fsinfo(&xdr, lease_bitmap); 20341da177e4SLinus Torvalds return status; 20351da177e4SLinus Torvalds } 20361da177e4SLinus Torvalds 20371da177e4SLinus Torvalds /* 20381da177e4SLinus Torvalds * DELEGRETURN request 20391da177e4SLinus Torvalds */ 20408687b63aSAl Viro static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, __be32 *p, const struct nfs4_delegreturnargs *args) 20411da177e4SLinus Torvalds { 20421da177e4SLinus Torvalds struct xdr_stream xdr; 20431da177e4SLinus Torvalds struct compound_hdr hdr = { 2044fa178f29STrond Myklebust .nops = 3, 20451da177e4SLinus Torvalds }; 20461da177e4SLinus Torvalds int status; 20471da177e4SLinus Torvalds 20481da177e4SLinus Torvalds xdr_init_encode(&xdr, &req->rq_snd_buf, p); 20491da177e4SLinus Torvalds encode_compound_hdr(&xdr, &hdr); 2050fa178f29STrond Myklebust status = encode_putfh(&xdr, args->fhandle); 2051fa178f29STrond Myklebust if (status != 0) 2052fa178f29STrond Myklebust goto out; 20531da177e4SLinus Torvalds status = encode_delegreturn(&xdr, args->stateid); 2054fa178f29STrond Myklebust if (status != 0) 2055fa178f29STrond Myklebust goto out; 2056fa178f29STrond Myklebust status = encode_getfattr(&xdr, args->bitmask); 2057fa178f29STrond Myklebust out: 20581da177e4SLinus Torvalds return status; 20591da177e4SLinus Torvalds } 20601da177e4SLinus Torvalds 20611da177e4SLinus Torvalds /* 2062683b57b4STrond Myklebust * Encode FS_LOCATIONS request 2063683b57b4STrond Myklebust */ 20648687b63aSAl Viro static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs4_fs_locations_arg *args) 2065683b57b4STrond Myklebust { 2066683b57b4STrond Myklebust struct xdr_stream xdr; 2067683b57b4STrond Myklebust struct compound_hdr hdr = { 2068683b57b4STrond Myklebust .nops = 3, 2069683b57b4STrond Myklebust }; 20701be27f36STrond Myklebust struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; 2071683b57b4STrond Myklebust int replen; 2072683b57b4STrond Myklebust int status; 2073683b57b4STrond Myklebust 2074683b57b4STrond Myklebust xdr_init_encode(&xdr, &req->rq_snd_buf, p); 2075683b57b4STrond Myklebust encode_compound_hdr(&xdr, &hdr); 2076683b57b4STrond Myklebust if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) 2077683b57b4STrond Myklebust goto out; 2078683b57b4STrond Myklebust if ((status = encode_lookup(&xdr, args->name)) != 0) 2079683b57b4STrond Myklebust goto out; 2080830b8e33SManoj Naik if ((status = encode_fs_locations(&xdr, args->bitmask)) != 0) 2081683b57b4STrond Myklebust goto out; 2082683b57b4STrond Myklebust /* set up reply 2083830b8e33SManoj Naik * toplevel_status + OP_PUTFH + status 2084683b57b4STrond Myklebust * + OP_LOOKUP + status + OP_GETATTR + status = 7 2085683b57b4STrond Myklebust */ 2086683b57b4STrond Myklebust replen = (RPC_REPHDRSIZE + auth->au_rslack + 7) << 2; 2087683b57b4STrond Myklebust xdr_inline_pages(&req->rq_rcv_buf, replen, &args->page, 2088683b57b4STrond Myklebust 0, PAGE_SIZE); 2089683b57b4STrond Myklebust out: 2090683b57b4STrond Myklebust return status; 2091683b57b4STrond Myklebust } 2092683b57b4STrond Myklebust 2093683b57b4STrond Myklebust /* 20941da177e4SLinus Torvalds * START OF "GENERIC" DECODE ROUTINES. 20951da177e4SLinus Torvalds * These may look a little ugly since they are imported from a "generic" 20961da177e4SLinus Torvalds * set of XDR encode/decode routines which are intended to be shared by 20971da177e4SLinus Torvalds * all of our NFSv4 implementations (OpenBSD, MacOS X...). 20981da177e4SLinus Torvalds * 20991da177e4SLinus Torvalds * If the pain of reading these is too great, it should be a straightforward 21001da177e4SLinus Torvalds * task to translate them into Linux-specific versions which are more 21011da177e4SLinus Torvalds * consistent with the style used in NFSv2/v3... 21021da177e4SLinus Torvalds */ 21031da177e4SLinus Torvalds #define READ32(x) (x) = ntohl(*p++) 21041da177e4SLinus Torvalds #define READ64(x) do { \ 21051da177e4SLinus Torvalds (x) = (u64)ntohl(*p++) << 32; \ 21061da177e4SLinus Torvalds (x) |= ntohl(*p++); \ 21071da177e4SLinus Torvalds } while (0) 21081da177e4SLinus Torvalds #define READTIME(x) do { \ 21091da177e4SLinus Torvalds p++; \ 21101da177e4SLinus Torvalds (x.tv_sec) = ntohl(*p++); \ 21111da177e4SLinus Torvalds (x.tv_nsec) = ntohl(*p++); \ 21121da177e4SLinus Torvalds } while (0) 21131da177e4SLinus Torvalds #define COPYMEM(x,nbytes) do { \ 21141da177e4SLinus Torvalds memcpy((x), p, nbytes); \ 21151da177e4SLinus Torvalds p += XDR_QUADLEN(nbytes); \ 21161da177e4SLinus Torvalds } while (0) 21171da177e4SLinus Torvalds 21181da177e4SLinus Torvalds #define READ_BUF(nbytes) do { \ 21191da177e4SLinus Torvalds p = xdr_inline_decode(xdr, nbytes); \ 2120e4cc6ee2SChuck Lever if (unlikely(!p)) { \ 2121e4cc6ee2SChuck Lever printk(KERN_INFO "%s: prematurely hit end of receive" \ 2122e4cc6ee2SChuck Lever " buffer\n", __FUNCTION__); \ 2123e4cc6ee2SChuck Lever printk(KERN_INFO "%s: xdr->p=%p, bytes=%u, xdr->end=%p\n", \ 2124e4cc6ee2SChuck Lever __FUNCTION__, xdr->p, nbytes, xdr->end); \ 21251da177e4SLinus Torvalds return -EIO; \ 21261da177e4SLinus Torvalds } \ 21271da177e4SLinus Torvalds } while (0) 21281da177e4SLinus Torvalds 2129683b57b4STrond Myklebust static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) 21301da177e4SLinus Torvalds { 21318687b63aSAl Viro __be32 *p; 21321da177e4SLinus Torvalds 21331da177e4SLinus Torvalds READ_BUF(4); 21341da177e4SLinus Torvalds READ32(*len); 21351da177e4SLinus Torvalds READ_BUF(*len); 21361da177e4SLinus Torvalds *string = (char *)p; 21371da177e4SLinus Torvalds return 0; 21381da177e4SLinus Torvalds } 21391da177e4SLinus Torvalds 21401da177e4SLinus Torvalds static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) 21411da177e4SLinus Torvalds { 21428687b63aSAl Viro __be32 *p; 21431da177e4SLinus Torvalds 21441da177e4SLinus Torvalds READ_BUF(8); 21451da177e4SLinus Torvalds READ32(hdr->status); 21461da177e4SLinus Torvalds READ32(hdr->taglen); 21471da177e4SLinus Torvalds 21481da177e4SLinus Torvalds READ_BUF(hdr->taglen + 4); 21491da177e4SLinus Torvalds hdr->tag = (char *)p; 21501da177e4SLinus Torvalds p += XDR_QUADLEN(hdr->taglen); 21511da177e4SLinus Torvalds READ32(hdr->nops); 21521da177e4SLinus Torvalds return 0; 21531da177e4SLinus Torvalds } 21541da177e4SLinus Torvalds 21551da177e4SLinus Torvalds static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) 21561da177e4SLinus Torvalds { 21578687b63aSAl Viro __be32 *p; 21581da177e4SLinus Torvalds uint32_t opnum; 21591da177e4SLinus Torvalds int32_t nfserr; 21601da177e4SLinus Torvalds 21611da177e4SLinus Torvalds READ_BUF(8); 21621da177e4SLinus Torvalds READ32(opnum); 21631da177e4SLinus Torvalds if (opnum != expected) { 21641da177e4SLinus Torvalds printk(KERN_NOTICE 21651da177e4SLinus Torvalds "nfs4_decode_op_hdr: Server returned operation" 21661da177e4SLinus Torvalds " %d but we issued a request for %d\n", 21671da177e4SLinus Torvalds opnum, expected); 21681da177e4SLinus Torvalds return -EIO; 21691da177e4SLinus Torvalds } 21701da177e4SLinus Torvalds READ32(nfserr); 21711da177e4SLinus Torvalds if (nfserr != NFS_OK) 21720a8ea437SDavid Howells return -nfs4_stat_to_errno(nfserr); 21731da177e4SLinus Torvalds return 0; 21741da177e4SLinus Torvalds } 21751da177e4SLinus Torvalds 21761da177e4SLinus Torvalds /* Dummy routine */ 2177adfa6f98SDavid Howells static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) 21781da177e4SLinus Torvalds { 21798687b63aSAl Viro __be32 *p; 2180683b57b4STrond Myklebust unsigned int strlen; 21811da177e4SLinus Torvalds char *str; 21821da177e4SLinus Torvalds 21831da177e4SLinus Torvalds READ_BUF(12); 21841da177e4SLinus Torvalds return decode_opaque_inline(xdr, &strlen, &str); 21851da177e4SLinus Torvalds } 21861da177e4SLinus Torvalds 21871da177e4SLinus Torvalds static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) 21881da177e4SLinus Torvalds { 21898687b63aSAl Viro uint32_t bmlen; 21908687b63aSAl Viro __be32 *p; 21911da177e4SLinus Torvalds 21921da177e4SLinus Torvalds READ_BUF(4); 21931da177e4SLinus Torvalds READ32(bmlen); 21941da177e4SLinus Torvalds 21951da177e4SLinus Torvalds bitmap[0] = bitmap[1] = 0; 21961da177e4SLinus Torvalds READ_BUF((bmlen << 2)); 21971da177e4SLinus Torvalds if (bmlen > 0) { 21981da177e4SLinus Torvalds READ32(bitmap[0]); 21991da177e4SLinus Torvalds if (bmlen > 1) 22001da177e4SLinus Torvalds READ32(bitmap[1]); 22011da177e4SLinus Torvalds } 22021da177e4SLinus Torvalds return 0; 22031da177e4SLinus Torvalds } 22041da177e4SLinus Torvalds 22058687b63aSAl Viro static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep) 22061da177e4SLinus Torvalds { 22078687b63aSAl Viro __be32 *p; 22081da177e4SLinus Torvalds 22091da177e4SLinus Torvalds READ_BUF(4); 22101da177e4SLinus Torvalds READ32(*attrlen); 22111da177e4SLinus Torvalds *savep = xdr->p; 22121da177e4SLinus Torvalds return 0; 22131da177e4SLinus Torvalds } 22141da177e4SLinus Torvalds 22151da177e4SLinus Torvalds static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) 22161da177e4SLinus Torvalds { 22171da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { 22181da177e4SLinus Torvalds decode_attr_bitmap(xdr, bitmask); 22191da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; 22201da177e4SLinus Torvalds } else 22211da177e4SLinus Torvalds bitmask[0] = bitmask[1] = 0; 22221da177e4SLinus Torvalds dprintk("%s: bitmask=0x%x%x\n", __FUNCTION__, bitmask[0], bitmask[1]); 22231da177e4SLinus Torvalds return 0; 22241da177e4SLinus Torvalds } 22251da177e4SLinus Torvalds 22261da177e4SLinus Torvalds static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) 22271da177e4SLinus Torvalds { 22288687b63aSAl Viro __be32 *p; 22291da177e4SLinus Torvalds 22301da177e4SLinus Torvalds *type = 0; 22311da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) 22321da177e4SLinus Torvalds return -EIO; 22331da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { 22341da177e4SLinus Torvalds READ_BUF(4); 22351da177e4SLinus Torvalds READ32(*type); 22361da177e4SLinus Torvalds if (*type < NF4REG || *type > NF4NAMEDATTR) { 22371da177e4SLinus Torvalds dprintk("%s: bad type %d\n", __FUNCTION__, *type); 22381da177e4SLinus Torvalds return -EIO; 22391da177e4SLinus Torvalds } 22401da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_TYPE; 22411da177e4SLinus Torvalds } 22421da177e4SLinus Torvalds dprintk("%s: type=0%o\n", __FUNCTION__, nfs_type2fmt[*type].nfs2type); 22431da177e4SLinus Torvalds return 0; 22441da177e4SLinus Torvalds } 22451da177e4SLinus Torvalds 22461da177e4SLinus Torvalds static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) 22471da177e4SLinus Torvalds { 22488687b63aSAl Viro __be32 *p; 22491da177e4SLinus Torvalds 22501da177e4SLinus Torvalds *change = 0; 22511da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) 22521da177e4SLinus Torvalds return -EIO; 22531da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { 22541da177e4SLinus Torvalds READ_BUF(8); 22551da177e4SLinus Torvalds READ64(*change); 22561da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_CHANGE; 22571da177e4SLinus Torvalds } 22581da177e4SLinus Torvalds dprintk("%s: change attribute=%Lu\n", __FUNCTION__, 22591da177e4SLinus Torvalds (unsigned long long)*change); 22601da177e4SLinus Torvalds return 0; 22611da177e4SLinus Torvalds } 22621da177e4SLinus Torvalds 22631da177e4SLinus Torvalds static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) 22641da177e4SLinus Torvalds { 22658687b63aSAl Viro __be32 *p; 22661da177e4SLinus Torvalds 22671da177e4SLinus Torvalds *size = 0; 22681da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) 22691da177e4SLinus Torvalds return -EIO; 22701da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { 22711da177e4SLinus Torvalds READ_BUF(8); 22721da177e4SLinus Torvalds READ64(*size); 22731da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_SIZE; 22741da177e4SLinus Torvalds } 22751da177e4SLinus Torvalds dprintk("%s: file size=%Lu\n", __FUNCTION__, (unsigned long long)*size); 22761da177e4SLinus Torvalds return 0; 22771da177e4SLinus Torvalds } 22781da177e4SLinus Torvalds 22791da177e4SLinus Torvalds static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 22801da177e4SLinus Torvalds { 22818687b63aSAl Viro __be32 *p; 22821da177e4SLinus Torvalds 22831da177e4SLinus Torvalds *res = 0; 22841da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) 22851da177e4SLinus Torvalds return -EIO; 22861da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { 22871da177e4SLinus Torvalds READ_BUF(4); 22881da177e4SLinus Torvalds READ32(*res); 22891da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; 22901da177e4SLinus Torvalds } 22911da177e4SLinus Torvalds dprintk("%s: link support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true"); 22921da177e4SLinus Torvalds return 0; 22931da177e4SLinus Torvalds } 22941da177e4SLinus Torvalds 22951da177e4SLinus Torvalds static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 22961da177e4SLinus Torvalds { 22978687b63aSAl Viro __be32 *p; 22981da177e4SLinus Torvalds 22991da177e4SLinus Torvalds *res = 0; 23001da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) 23011da177e4SLinus Torvalds return -EIO; 23021da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { 23031da177e4SLinus Torvalds READ_BUF(4); 23041da177e4SLinus Torvalds READ32(*res); 23051da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; 23061da177e4SLinus Torvalds } 23071da177e4SLinus Torvalds dprintk("%s: symlink support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true"); 23081da177e4SLinus Torvalds return 0; 23091da177e4SLinus Torvalds } 23101da177e4SLinus Torvalds 23118b4bdcf8STrond Myklebust static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) 23121da177e4SLinus Torvalds { 23138687b63aSAl Viro __be32 *p; 23141da177e4SLinus Torvalds 23151da177e4SLinus Torvalds fsid->major = 0; 23161da177e4SLinus Torvalds fsid->minor = 0; 23171da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) 23181da177e4SLinus Torvalds return -EIO; 23191da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { 23201da177e4SLinus Torvalds READ_BUF(16); 23211da177e4SLinus Torvalds READ64(fsid->major); 23221da177e4SLinus Torvalds READ64(fsid->minor); 23231da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_FSID; 23241da177e4SLinus Torvalds } 23251da177e4SLinus Torvalds dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __FUNCTION__, 23261da177e4SLinus Torvalds (unsigned long long)fsid->major, 23271da177e4SLinus Torvalds (unsigned long long)fsid->minor); 23281da177e4SLinus Torvalds return 0; 23291da177e4SLinus Torvalds } 23301da177e4SLinus Torvalds 23311da177e4SLinus Torvalds static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 23321da177e4SLinus Torvalds { 23338687b63aSAl Viro __be32 *p; 23341da177e4SLinus Torvalds 23351da177e4SLinus Torvalds *res = 60; 23361da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) 23371da177e4SLinus Torvalds return -EIO; 23381da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { 23391da177e4SLinus Torvalds READ_BUF(4); 23401da177e4SLinus Torvalds READ32(*res); 23411da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; 23421da177e4SLinus Torvalds } 23431da177e4SLinus Torvalds dprintk("%s: file size=%u\n", __FUNCTION__, (unsigned int)*res); 23441da177e4SLinus Torvalds return 0; 23451da177e4SLinus Torvalds } 23461da177e4SLinus Torvalds 23471da177e4SLinus Torvalds static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 23481da177e4SLinus Torvalds { 23498687b63aSAl Viro __be32 *p; 23501da177e4SLinus Torvalds 23511da177e4SLinus Torvalds *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; 23521da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) 23531da177e4SLinus Torvalds return -EIO; 23541da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { 23551da177e4SLinus Torvalds READ_BUF(4); 23561da177e4SLinus Torvalds READ32(*res); 23571da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; 23581da177e4SLinus Torvalds } 23591da177e4SLinus Torvalds dprintk("%s: ACLs supported=%u\n", __FUNCTION__, (unsigned int)*res); 23601da177e4SLinus Torvalds return 0; 23611da177e4SLinus Torvalds } 23621da177e4SLinus Torvalds 23631da177e4SLinus Torvalds static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) 23641da177e4SLinus Torvalds { 23658687b63aSAl Viro __be32 *p; 23661da177e4SLinus Torvalds 23671da177e4SLinus Torvalds *fileid = 0; 23681da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) 23691da177e4SLinus Torvalds return -EIO; 23701da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { 23711da177e4SLinus Torvalds READ_BUF(8); 23721da177e4SLinus Torvalds READ64(*fileid); 23731da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_FILEID; 23741da177e4SLinus Torvalds } 23751da177e4SLinus Torvalds dprintk("%s: fileid=%Lu\n", __FUNCTION__, (unsigned long long)*fileid); 23761da177e4SLinus Torvalds return 0; 23771da177e4SLinus Torvalds } 23781da177e4SLinus Torvalds 237999baf625SManoj Naik static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) 238099baf625SManoj Naik { 23818687b63aSAl Viro __be32 *p; 238299baf625SManoj Naik 238399baf625SManoj Naik *fileid = 0; 238499baf625SManoj Naik if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) 238599baf625SManoj Naik return -EIO; 238699baf625SManoj Naik if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { 238799baf625SManoj Naik READ_BUF(8); 238899baf625SManoj Naik READ64(*fileid); 238999baf625SManoj Naik bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; 239099baf625SManoj Naik } 239199baf625SManoj Naik dprintk("%s: fileid=%Lu\n", __FUNCTION__, (unsigned long long)*fileid); 239299baf625SManoj Naik return 0; 239399baf625SManoj Naik } 239499baf625SManoj Naik 23951da177e4SLinus Torvalds static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 23961da177e4SLinus Torvalds { 23978687b63aSAl Viro __be32 *p; 23981da177e4SLinus Torvalds int status = 0; 23991da177e4SLinus Torvalds 24001da177e4SLinus Torvalds *res = 0; 24011da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) 24021da177e4SLinus Torvalds return -EIO; 24031da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { 24041da177e4SLinus Torvalds READ_BUF(8); 24051da177e4SLinus Torvalds READ64(*res); 24061da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; 24071da177e4SLinus Torvalds } 24081da177e4SLinus Torvalds dprintk("%s: files avail=%Lu\n", __FUNCTION__, (unsigned long long)*res); 24091da177e4SLinus Torvalds return status; 24101da177e4SLinus Torvalds } 24111da177e4SLinus Torvalds 24121da177e4SLinus Torvalds static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 24131da177e4SLinus Torvalds { 24148687b63aSAl Viro __be32 *p; 24151da177e4SLinus Torvalds int status = 0; 24161da177e4SLinus Torvalds 24171da177e4SLinus Torvalds *res = 0; 24181da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) 24191da177e4SLinus Torvalds return -EIO; 24201da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { 24211da177e4SLinus Torvalds READ_BUF(8); 24221da177e4SLinus Torvalds READ64(*res); 24231da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; 24241da177e4SLinus Torvalds } 24251da177e4SLinus Torvalds dprintk("%s: files free=%Lu\n", __FUNCTION__, (unsigned long long)*res); 24261da177e4SLinus Torvalds return status; 24271da177e4SLinus Torvalds } 24281da177e4SLinus Torvalds 24291da177e4SLinus Torvalds static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 24301da177e4SLinus Torvalds { 24318687b63aSAl Viro __be32 *p; 24321da177e4SLinus Torvalds int status = 0; 24331da177e4SLinus Torvalds 24341da177e4SLinus Torvalds *res = 0; 24351da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) 24361da177e4SLinus Torvalds return -EIO; 24371da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { 24381da177e4SLinus Torvalds READ_BUF(8); 24391da177e4SLinus Torvalds READ64(*res); 24401da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; 24411da177e4SLinus Torvalds } 24421da177e4SLinus Torvalds dprintk("%s: files total=%Lu\n", __FUNCTION__, (unsigned long long)*res); 24431da177e4SLinus Torvalds return status; 24441da177e4SLinus Torvalds } 24451da177e4SLinus Torvalds 24467aaa0b3bSManoj Naik static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) 24477aaa0b3bSManoj Naik { 24487aaa0b3bSManoj Naik int n; 24498687b63aSAl Viro __be32 *p; 24507aaa0b3bSManoj Naik int status = 0; 24517aaa0b3bSManoj Naik 24527aaa0b3bSManoj Naik READ_BUF(4); 24537aaa0b3bSManoj Naik READ32(n); 245433a43f28SAndy Adamson if (n < 0) 24557aaa0b3bSManoj Naik goto out_eio; 245633a43f28SAndy Adamson if (n == 0) 245733a43f28SAndy Adamson goto root_path; 24587aaa0b3bSManoj Naik dprintk("path "); 24597aaa0b3bSManoj Naik path->ncomponents = 0; 24607aaa0b3bSManoj Naik while (path->ncomponents < n) { 24617aaa0b3bSManoj Naik struct nfs4_string *component = &path->components[path->ncomponents]; 24627aaa0b3bSManoj Naik status = decode_opaque_inline(xdr, &component->len, &component->data); 24637aaa0b3bSManoj Naik if (unlikely(status != 0)) 24647aaa0b3bSManoj Naik goto out_eio; 24657aaa0b3bSManoj Naik if (path->ncomponents != n) 24667aaa0b3bSManoj Naik dprintk("/"); 24677aaa0b3bSManoj Naik dprintk("%s", component->data); 24687aaa0b3bSManoj Naik if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) 24697aaa0b3bSManoj Naik path->ncomponents++; 24707aaa0b3bSManoj Naik else { 24717aaa0b3bSManoj Naik dprintk("cannot parse %d components in path\n", n); 24727aaa0b3bSManoj Naik goto out_eio; 24737aaa0b3bSManoj Naik } 24747aaa0b3bSManoj Naik } 24757aaa0b3bSManoj Naik out: 24767aaa0b3bSManoj Naik dprintk("\n"); 24777aaa0b3bSManoj Naik return status; 247833a43f28SAndy Adamson root_path: 247933a43f28SAndy Adamson /* a root pathname is sent as a zero component4 */ 248033a43f28SAndy Adamson path->ncomponents = 1; 248133a43f28SAndy Adamson path->components[0].len=0; 248233a43f28SAndy Adamson path->components[0].data=NULL; 248333a43f28SAndy Adamson dprintk("path /\n"); 248433a43f28SAndy Adamson goto out; 24857aaa0b3bSManoj Naik out_eio: 24867aaa0b3bSManoj Naik dprintk(" status %d", status); 24877aaa0b3bSManoj Naik status = -EIO; 24887aaa0b3bSManoj Naik goto out; 24897aaa0b3bSManoj Naik } 24907aaa0b3bSManoj Naik 24917aaa0b3bSManoj Naik static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) 2492683b57b4STrond Myklebust { 2493683b57b4STrond Myklebust int n; 24948687b63aSAl Viro __be32 *p; 2495683b57b4STrond Myklebust int status = -EIO; 2496683b57b4STrond Myklebust 2497683b57b4STrond Myklebust if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) 2498683b57b4STrond Myklebust goto out; 2499683b57b4STrond Myklebust status = 0; 2500683b57b4STrond Myklebust if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) 2501683b57b4STrond Myklebust goto out; 25027aaa0b3bSManoj Naik dprintk("%s: fsroot ", __FUNCTION__); 25037aaa0b3bSManoj Naik status = decode_pathname(xdr, &res->fs_path); 2504683b57b4STrond Myklebust if (unlikely(status != 0)) 2505683b57b4STrond Myklebust goto out; 2506683b57b4STrond Myklebust READ_BUF(4); 2507683b57b4STrond Myklebust READ32(n); 2508683b57b4STrond Myklebust if (n <= 0) 2509683b57b4STrond Myklebust goto out_eio; 2510683b57b4STrond Myklebust res->nlocations = 0; 2511683b57b4STrond Myklebust while (res->nlocations < n) { 25127aaa0b3bSManoj Naik int m; 25137aaa0b3bSManoj Naik struct nfs4_fs_location *loc = &res->locations[res->nlocations]; 2514683b57b4STrond Myklebust 25157aaa0b3bSManoj Naik READ_BUF(4); 25167aaa0b3bSManoj Naik READ32(m); 25177aaa0b3bSManoj Naik if (m <= 0) 25187aaa0b3bSManoj Naik goto out_eio; 25197aaa0b3bSManoj Naik 25207aaa0b3bSManoj Naik loc->nservers = 0; 25217aaa0b3bSManoj Naik dprintk("%s: servers ", __FUNCTION__); 25227aaa0b3bSManoj Naik while (loc->nservers < m) { 25237aaa0b3bSManoj Naik struct nfs4_string *server = &loc->servers[loc->nservers]; 25247aaa0b3bSManoj Naik status = decode_opaque_inline(xdr, &server->len, &server->data); 2525683b57b4STrond Myklebust if (unlikely(status != 0)) 2526683b57b4STrond Myklebust goto out_eio; 25277aaa0b3bSManoj Naik dprintk("%s ", server->data); 25287aaa0b3bSManoj Naik if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) 25297aaa0b3bSManoj Naik loc->nservers++; 25307aaa0b3bSManoj Naik else { 25317aaa0b3bSManoj Naik int i; 25327aaa0b3bSManoj Naik dprintk("%s: using first %d of %d servers returned for location %d\n", __FUNCTION__, NFS4_FS_LOCATION_MAXSERVERS, m, res->nlocations); 25337aaa0b3bSManoj Naik for (i = loc->nservers; i < m; i++) { 25342e42c3e2STrond Myklebust unsigned int len; 25357aaa0b3bSManoj Naik char *data; 25367aaa0b3bSManoj Naik status = decode_opaque_inline(xdr, &len, &data); 2537683b57b4STrond Myklebust if (unlikely(status != 0)) 2538683b57b4STrond Myklebust goto out_eio; 25397aaa0b3bSManoj Naik } 25407aaa0b3bSManoj Naik } 25417aaa0b3bSManoj Naik } 25427aaa0b3bSManoj Naik status = decode_pathname(xdr, &loc->rootpath); 25437aaa0b3bSManoj Naik if (unlikely(status != 0)) 25447aaa0b3bSManoj Naik goto out_eio; 25457aaa0b3bSManoj Naik if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) 2546683b57b4STrond Myklebust res->nlocations++; 2547683b57b4STrond Myklebust } 2548683b57b4STrond Myklebust out: 2549683b57b4STrond Myklebust dprintk("%s: fs_locations done, error = %d\n", __FUNCTION__, status); 2550683b57b4STrond Myklebust return status; 2551683b57b4STrond Myklebust out_eio: 2552683b57b4STrond Myklebust status = -EIO; 2553683b57b4STrond Myklebust goto out; 2554683b57b4STrond Myklebust } 2555683b57b4STrond Myklebust 25561da177e4SLinus Torvalds static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 25571da177e4SLinus Torvalds { 25588687b63aSAl Viro __be32 *p; 25591da177e4SLinus Torvalds int status = 0; 25601da177e4SLinus Torvalds 25611da177e4SLinus Torvalds *res = 0; 25621da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) 25631da177e4SLinus Torvalds return -EIO; 25641da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { 25651da177e4SLinus Torvalds READ_BUF(8); 25661da177e4SLinus Torvalds READ64(*res); 25671da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; 25681da177e4SLinus Torvalds } 25691da177e4SLinus Torvalds dprintk("%s: maxfilesize=%Lu\n", __FUNCTION__, (unsigned long long)*res); 25701da177e4SLinus Torvalds return status; 25711da177e4SLinus Torvalds } 25721da177e4SLinus Torvalds 25731da177e4SLinus Torvalds static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) 25741da177e4SLinus Torvalds { 25758687b63aSAl Viro __be32 *p; 25761da177e4SLinus Torvalds int status = 0; 25771da177e4SLinus Torvalds 25781da177e4SLinus Torvalds *maxlink = 1; 25791da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) 25801da177e4SLinus Torvalds return -EIO; 25811da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { 25821da177e4SLinus Torvalds READ_BUF(4); 25831da177e4SLinus Torvalds READ32(*maxlink); 25841da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_MAXLINK; 25851da177e4SLinus Torvalds } 25861da177e4SLinus Torvalds dprintk("%s: maxlink=%u\n", __FUNCTION__, *maxlink); 25871da177e4SLinus Torvalds return status; 25881da177e4SLinus Torvalds } 25891da177e4SLinus Torvalds 25901da177e4SLinus Torvalds static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) 25911da177e4SLinus Torvalds { 25928687b63aSAl Viro __be32 *p; 25931da177e4SLinus Torvalds int status = 0; 25941da177e4SLinus Torvalds 25951da177e4SLinus Torvalds *maxname = 1024; 25961da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) 25971da177e4SLinus Torvalds return -EIO; 25981da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { 25991da177e4SLinus Torvalds READ_BUF(4); 26001da177e4SLinus Torvalds READ32(*maxname); 26011da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_MAXNAME; 26021da177e4SLinus Torvalds } 26031da177e4SLinus Torvalds dprintk("%s: maxname=%u\n", __FUNCTION__, *maxname); 26041da177e4SLinus Torvalds return status; 26051da177e4SLinus Torvalds } 26061da177e4SLinus Torvalds 26071da177e4SLinus Torvalds static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 26081da177e4SLinus Torvalds { 26098687b63aSAl Viro __be32 *p; 26101da177e4SLinus Torvalds int status = 0; 26111da177e4SLinus Torvalds 26121da177e4SLinus Torvalds *res = 1024; 26131da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) 26141da177e4SLinus Torvalds return -EIO; 26151da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { 26161da177e4SLinus Torvalds uint64_t maxread; 26171da177e4SLinus Torvalds READ_BUF(8); 26181da177e4SLinus Torvalds READ64(maxread); 26191da177e4SLinus Torvalds if (maxread > 0x7FFFFFFF) 26201da177e4SLinus Torvalds maxread = 0x7FFFFFFF; 26211da177e4SLinus Torvalds *res = (uint32_t)maxread; 26221da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_MAXREAD; 26231da177e4SLinus Torvalds } 26241da177e4SLinus Torvalds dprintk("%s: maxread=%lu\n", __FUNCTION__, (unsigned long)*res); 26251da177e4SLinus Torvalds return status; 26261da177e4SLinus Torvalds } 26271da177e4SLinus Torvalds 26281da177e4SLinus Torvalds static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) 26291da177e4SLinus Torvalds { 26308687b63aSAl Viro __be32 *p; 26311da177e4SLinus Torvalds int status = 0; 26321da177e4SLinus Torvalds 26331da177e4SLinus Torvalds *res = 1024; 26341da177e4SLinus Torvalds if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) 26351da177e4SLinus Torvalds return -EIO; 26361da177e4SLinus Torvalds if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { 26371da177e4SLinus Torvalds uint64_t maxwrite; 26381da177e4SLinus Torvalds READ_BUF(8); 26391da177e4SLinus Torvalds READ64(maxwrite); 26401da177e4SLinus Torvalds if (maxwrite > 0x7FFFFFFF) 26411da177e4SLinus Torvalds maxwrite = 0x7FFFFFFF; 26421da177e4SLinus Torvalds *res = (uint32_t)maxwrite; 26431da177e4SLinus Torvalds bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; 26441da177e4SLinus Torvalds } 26451da177e4SLinus Torvalds dprintk("%s: maxwrite=%lu\n", __FUNCTION__, (unsigned long)*res); 26461da177e4SLinus Torvalds return status; 26471da177e4SLinus Torvalds } 26481da177e4SLinus Torvalds 26491da177e4SLinus Torvalds static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *mode) 26501da177e4SLinus Torvalds { 26518687b63aSAl Viro __be32 *p; 26521da177e4SLinus Torvalds 26531da177e4SLinus Torvalds *mode = 0; 26541da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) 26551da177e4SLinus Torvalds return -EIO; 26561da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { 26571da177e4SLinus Torvalds READ_BUF(4); 26581da177e4SLinus Torvalds READ32(*mode); 26591da177e4SLinus Torvalds *mode &= ~S_IFMT; 26601da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_MODE; 26611da177e4SLinus Torvalds } 26621da177e4SLinus Torvalds dprintk("%s: file mode=0%o\n", __FUNCTION__, (unsigned int)*mode); 26631da177e4SLinus Torvalds return 0; 26641da177e4SLinus Torvalds } 26651da177e4SLinus Torvalds 26661da177e4SLinus Torvalds static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) 26671da177e4SLinus Torvalds { 26688687b63aSAl Viro __be32 *p; 26691da177e4SLinus Torvalds 26701da177e4SLinus Torvalds *nlink = 1; 26711da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) 26721da177e4SLinus Torvalds return -EIO; 26731da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { 26741da177e4SLinus Torvalds READ_BUF(4); 26751da177e4SLinus Torvalds READ32(*nlink); 26761da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; 26771da177e4SLinus Torvalds } 26781da177e4SLinus Torvalds dprintk("%s: nlink=%u\n", __FUNCTION__, (unsigned int)*nlink); 26791da177e4SLinus Torvalds return 0; 26801da177e4SLinus Torvalds } 26811da177e4SLinus Torvalds 26822e42c3e2STrond Myklebust static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *uid) 26831da177e4SLinus Torvalds { 26848687b63aSAl Viro uint32_t len; 26858687b63aSAl Viro __be32 *p; 26861da177e4SLinus Torvalds 26871da177e4SLinus Torvalds *uid = -2; 26881da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) 26891da177e4SLinus Torvalds return -EIO; 26901da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { 26911da177e4SLinus Torvalds READ_BUF(4); 26921da177e4SLinus Torvalds READ32(len); 26931da177e4SLinus Torvalds READ_BUF(len); 26941da177e4SLinus Torvalds if (len < XDR_MAX_NETOBJ) { 26951da177e4SLinus Torvalds if (nfs_map_name_to_uid(clp, (char *)p, len, uid) != 0) 26961da177e4SLinus Torvalds dprintk("%s: nfs_map_name_to_uid failed!\n", 26971da177e4SLinus Torvalds __FUNCTION__); 26981da177e4SLinus Torvalds } else 26991da177e4SLinus Torvalds printk(KERN_WARNING "%s: name too long (%u)!\n", 27001da177e4SLinus Torvalds __FUNCTION__, len); 27011da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_OWNER; 27021da177e4SLinus Torvalds } 27031da177e4SLinus Torvalds dprintk("%s: uid=%d\n", __FUNCTION__, (int)*uid); 27041da177e4SLinus Torvalds return 0; 27051da177e4SLinus Torvalds } 27061da177e4SLinus Torvalds 27072e42c3e2STrond Myklebust static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *gid) 27081da177e4SLinus Torvalds { 27098687b63aSAl Viro uint32_t len; 27108687b63aSAl Viro __be32 *p; 27111da177e4SLinus Torvalds 27121da177e4SLinus Torvalds *gid = -2; 27131da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) 27141da177e4SLinus Torvalds return -EIO; 27151da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { 27161da177e4SLinus Torvalds READ_BUF(4); 27171da177e4SLinus Torvalds READ32(len); 27181da177e4SLinus Torvalds READ_BUF(len); 27191da177e4SLinus Torvalds if (len < XDR_MAX_NETOBJ) { 27201da177e4SLinus Torvalds if (nfs_map_group_to_gid(clp, (char *)p, len, gid) != 0) 27211da177e4SLinus Torvalds dprintk("%s: nfs_map_group_to_gid failed!\n", 27221da177e4SLinus Torvalds __FUNCTION__); 27231da177e4SLinus Torvalds } else 27241da177e4SLinus Torvalds printk(KERN_WARNING "%s: name too long (%u)!\n", 27251da177e4SLinus Torvalds __FUNCTION__, len); 27261da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; 27271da177e4SLinus Torvalds } 27281da177e4SLinus Torvalds dprintk("%s: gid=%d\n", __FUNCTION__, (int)*gid); 27291da177e4SLinus Torvalds return 0; 27301da177e4SLinus Torvalds } 27311da177e4SLinus Torvalds 27321da177e4SLinus Torvalds static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) 27331da177e4SLinus Torvalds { 27348687b63aSAl Viro uint32_t major = 0, minor = 0; 27358687b63aSAl Viro __be32 *p; 27361da177e4SLinus Torvalds 27371da177e4SLinus Torvalds *rdev = MKDEV(0,0); 27381da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) 27391da177e4SLinus Torvalds return -EIO; 27401da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { 27411da177e4SLinus Torvalds dev_t tmp; 27421da177e4SLinus Torvalds 27431da177e4SLinus Torvalds READ_BUF(8); 27441da177e4SLinus Torvalds READ32(major); 27451da177e4SLinus Torvalds READ32(minor); 27461da177e4SLinus Torvalds tmp = MKDEV(major, minor); 27471da177e4SLinus Torvalds if (MAJOR(tmp) == major && MINOR(tmp) == minor) 27481da177e4SLinus Torvalds *rdev = tmp; 27491da177e4SLinus Torvalds bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; 27501da177e4SLinus Torvalds } 27511da177e4SLinus Torvalds dprintk("%s: rdev=(0x%x:0x%x)\n", __FUNCTION__, major, minor); 27521da177e4SLinus Torvalds return 0; 27531da177e4SLinus Torvalds } 27541da177e4SLinus Torvalds 27551da177e4SLinus Torvalds static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 27561da177e4SLinus Torvalds { 27578687b63aSAl Viro __be32 *p; 27581da177e4SLinus Torvalds int status = 0; 27591da177e4SLinus Torvalds 27601da177e4SLinus Torvalds *res = 0; 27611da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) 27621da177e4SLinus Torvalds return -EIO; 27631da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { 27641da177e4SLinus Torvalds READ_BUF(8); 27651da177e4SLinus Torvalds READ64(*res); 27661da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; 27671da177e4SLinus Torvalds } 27681da177e4SLinus Torvalds dprintk("%s: space avail=%Lu\n", __FUNCTION__, (unsigned long long)*res); 27691da177e4SLinus Torvalds return status; 27701da177e4SLinus Torvalds } 27711da177e4SLinus Torvalds 27721da177e4SLinus Torvalds static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 27731da177e4SLinus Torvalds { 27748687b63aSAl Viro __be32 *p; 27751da177e4SLinus Torvalds int status = 0; 27761da177e4SLinus Torvalds 27771da177e4SLinus Torvalds *res = 0; 27781da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) 27791da177e4SLinus Torvalds return -EIO; 27801da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { 27811da177e4SLinus Torvalds READ_BUF(8); 27821da177e4SLinus Torvalds READ64(*res); 27831da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; 27841da177e4SLinus Torvalds } 27851da177e4SLinus Torvalds dprintk("%s: space free=%Lu\n", __FUNCTION__, (unsigned long long)*res); 27861da177e4SLinus Torvalds return status; 27871da177e4SLinus Torvalds } 27881da177e4SLinus Torvalds 27891da177e4SLinus Torvalds static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) 27901da177e4SLinus Torvalds { 27918687b63aSAl Viro __be32 *p; 27921da177e4SLinus Torvalds int status = 0; 27931da177e4SLinus Torvalds 27941da177e4SLinus Torvalds *res = 0; 27951da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) 27961da177e4SLinus Torvalds return -EIO; 27971da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { 27981da177e4SLinus Torvalds READ_BUF(8); 27991da177e4SLinus Torvalds READ64(*res); 28001da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; 28011da177e4SLinus Torvalds } 28021da177e4SLinus Torvalds dprintk("%s: space total=%Lu\n", __FUNCTION__, (unsigned long long)*res); 28031da177e4SLinus Torvalds return status; 28041da177e4SLinus Torvalds } 28051da177e4SLinus Torvalds 28061da177e4SLinus Torvalds static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) 28071da177e4SLinus Torvalds { 28088687b63aSAl Viro __be32 *p; 28091da177e4SLinus Torvalds 28101da177e4SLinus Torvalds *used = 0; 28111da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) 28121da177e4SLinus Torvalds return -EIO; 28131da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { 28141da177e4SLinus Torvalds READ_BUF(8); 28151da177e4SLinus Torvalds READ64(*used); 28161da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; 28171da177e4SLinus Torvalds } 28181da177e4SLinus Torvalds dprintk("%s: space used=%Lu\n", __FUNCTION__, 28191da177e4SLinus Torvalds (unsigned long long)*used); 28201da177e4SLinus Torvalds return 0; 28211da177e4SLinus Torvalds } 28221da177e4SLinus Torvalds 28231da177e4SLinus Torvalds static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) 28241da177e4SLinus Torvalds { 28258687b63aSAl Viro __be32 *p; 28261da177e4SLinus Torvalds uint64_t sec; 28271da177e4SLinus Torvalds uint32_t nsec; 28281da177e4SLinus Torvalds 28291da177e4SLinus Torvalds READ_BUF(12); 28301da177e4SLinus Torvalds READ64(sec); 28311da177e4SLinus Torvalds READ32(nsec); 28321da177e4SLinus Torvalds time->tv_sec = (time_t)sec; 28331da177e4SLinus Torvalds time->tv_nsec = (long)nsec; 28341da177e4SLinus Torvalds return 0; 28351da177e4SLinus Torvalds } 28361da177e4SLinus Torvalds 28371da177e4SLinus Torvalds static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) 28381da177e4SLinus Torvalds { 28391da177e4SLinus Torvalds int status = 0; 28401da177e4SLinus Torvalds 28411da177e4SLinus Torvalds time->tv_sec = 0; 28421da177e4SLinus Torvalds time->tv_nsec = 0; 28431da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) 28441da177e4SLinus Torvalds return -EIO; 28451da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { 28461da177e4SLinus Torvalds status = decode_attr_time(xdr, time); 28471da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; 28481da177e4SLinus Torvalds } 28491da177e4SLinus Torvalds dprintk("%s: atime=%ld\n", __FUNCTION__, (long)time->tv_sec); 28501da177e4SLinus Torvalds return status; 28511da177e4SLinus Torvalds } 28521da177e4SLinus Torvalds 28531da177e4SLinus Torvalds static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) 28541da177e4SLinus Torvalds { 28551da177e4SLinus Torvalds int status = 0; 28561da177e4SLinus Torvalds 28571da177e4SLinus Torvalds time->tv_sec = 0; 28581da177e4SLinus Torvalds time->tv_nsec = 0; 28591da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) 28601da177e4SLinus Torvalds return -EIO; 28611da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { 28621da177e4SLinus Torvalds status = decode_attr_time(xdr, time); 28631da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; 28641da177e4SLinus Torvalds } 28651da177e4SLinus Torvalds dprintk("%s: ctime=%ld\n", __FUNCTION__, (long)time->tv_sec); 28661da177e4SLinus Torvalds return status; 28671da177e4SLinus Torvalds } 28681da177e4SLinus Torvalds 28691da177e4SLinus Torvalds static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) 28701da177e4SLinus Torvalds { 28711da177e4SLinus Torvalds int status = 0; 28721da177e4SLinus Torvalds 28731da177e4SLinus Torvalds time->tv_sec = 0; 28741da177e4SLinus Torvalds time->tv_nsec = 0; 28751da177e4SLinus Torvalds if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) 28761da177e4SLinus Torvalds return -EIO; 28771da177e4SLinus Torvalds if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { 28781da177e4SLinus Torvalds status = decode_attr_time(xdr, time); 28791da177e4SLinus Torvalds bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; 28801da177e4SLinus Torvalds } 28811da177e4SLinus Torvalds dprintk("%s: mtime=%ld\n", __FUNCTION__, (long)time->tv_sec); 28821da177e4SLinus Torvalds return status; 28831da177e4SLinus Torvalds } 28841da177e4SLinus Torvalds 28858687b63aSAl Viro static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen) 28861da177e4SLinus Torvalds { 28871da177e4SLinus Torvalds unsigned int attrwords = XDR_QUADLEN(attrlen); 28881da177e4SLinus Torvalds unsigned int nwords = xdr->p - savep; 28891da177e4SLinus Torvalds 28901da177e4SLinus Torvalds if (unlikely(attrwords != nwords)) { 28911da177e4SLinus Torvalds printk(KERN_WARNING "%s: server returned incorrect attribute length: %u %c %u\n", 28921da177e4SLinus Torvalds __FUNCTION__, 28931da177e4SLinus Torvalds attrwords << 2, 28941da177e4SLinus Torvalds (attrwords < nwords) ? '<' : '>', 28951da177e4SLinus Torvalds nwords << 2); 28961da177e4SLinus Torvalds return -EIO; 28971da177e4SLinus Torvalds } 28981da177e4SLinus Torvalds return 0; 28991da177e4SLinus Torvalds } 29001da177e4SLinus Torvalds 29011da177e4SLinus Torvalds static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) 29021da177e4SLinus Torvalds { 29038687b63aSAl Viro __be32 *p; 29041da177e4SLinus Torvalds 29051da177e4SLinus Torvalds READ_BUF(20); 29061da177e4SLinus Torvalds READ32(cinfo->atomic); 29071da177e4SLinus Torvalds READ64(cinfo->before); 29081da177e4SLinus Torvalds READ64(cinfo->after); 29091da177e4SLinus Torvalds return 0; 29101da177e4SLinus Torvalds } 29111da177e4SLinus Torvalds 29121da177e4SLinus Torvalds static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) 29131da177e4SLinus Torvalds { 29148687b63aSAl Viro __be32 *p; 29151da177e4SLinus Torvalds uint32_t supp, acc; 29161da177e4SLinus Torvalds int status; 29171da177e4SLinus Torvalds 29181da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_ACCESS); 29191da177e4SLinus Torvalds if (status) 29201da177e4SLinus Torvalds return status; 29211da177e4SLinus Torvalds READ_BUF(8); 29221da177e4SLinus Torvalds READ32(supp); 29231da177e4SLinus Torvalds READ32(acc); 29241da177e4SLinus Torvalds access->supported = supp; 29251da177e4SLinus Torvalds access->access = acc; 29261da177e4SLinus Torvalds return 0; 29271da177e4SLinus Torvalds } 29281da177e4SLinus Torvalds 29291da177e4SLinus Torvalds static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) 29301da177e4SLinus Torvalds { 29318687b63aSAl Viro __be32 *p; 29321da177e4SLinus Torvalds int status; 29331da177e4SLinus Torvalds 29341da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_CLOSE); 29351da177e4SLinus Torvalds if (status) 29361da177e4SLinus Torvalds return status; 29378ae20abdSTrond Myklebust READ_BUF(NFS4_STATEID_SIZE); 29388ae20abdSTrond Myklebust COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); 29391da177e4SLinus Torvalds return 0; 29401da177e4SLinus Torvalds } 29411da177e4SLinus Torvalds 29421da177e4SLinus Torvalds static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res) 29431da177e4SLinus Torvalds { 29448687b63aSAl Viro __be32 *p; 29451da177e4SLinus Torvalds int status; 29461da177e4SLinus Torvalds 29471da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_COMMIT); 29481da177e4SLinus Torvalds if (status) 29491da177e4SLinus Torvalds return status; 29501da177e4SLinus Torvalds READ_BUF(8); 29511da177e4SLinus Torvalds COPYMEM(res->verf->verifier, 8); 29521da177e4SLinus Torvalds return 0; 29531da177e4SLinus Torvalds } 29541da177e4SLinus Torvalds 29551da177e4SLinus Torvalds static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) 29561da177e4SLinus Torvalds { 29578687b63aSAl Viro __be32 *p; 29581da177e4SLinus Torvalds uint32_t bmlen; 29591da177e4SLinus Torvalds int status; 29601da177e4SLinus Torvalds 29611da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_CREATE); 29621da177e4SLinus Torvalds if (status) 29631da177e4SLinus Torvalds return status; 29641da177e4SLinus Torvalds if ((status = decode_change_info(xdr, cinfo))) 29651da177e4SLinus Torvalds return status; 29661da177e4SLinus Torvalds READ_BUF(4); 29671da177e4SLinus Torvalds READ32(bmlen); 29681da177e4SLinus Torvalds READ_BUF(bmlen << 2); 29691da177e4SLinus Torvalds return 0; 29701da177e4SLinus Torvalds } 29711da177e4SLinus Torvalds 29721da177e4SLinus Torvalds static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) 29731da177e4SLinus Torvalds { 29748687b63aSAl Viro __be32 *savep; 29751da177e4SLinus Torvalds uint32_t attrlen, 29761da177e4SLinus Torvalds bitmap[2] = {0}; 29771da177e4SLinus Torvalds int status; 29781da177e4SLinus Torvalds 29791da177e4SLinus Torvalds if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 29801da177e4SLinus Torvalds goto xdr_error; 29811da177e4SLinus Torvalds if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) 29821da177e4SLinus Torvalds goto xdr_error; 29831da177e4SLinus Torvalds if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 29841da177e4SLinus Torvalds goto xdr_error; 29851da177e4SLinus Torvalds if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) 29861da177e4SLinus Torvalds goto xdr_error; 29871da177e4SLinus Torvalds if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) 29881da177e4SLinus Torvalds goto xdr_error; 29891da177e4SLinus Torvalds if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) 29901da177e4SLinus Torvalds goto xdr_error; 29911da177e4SLinus Torvalds if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) 29921da177e4SLinus Torvalds goto xdr_error; 29931da177e4SLinus Torvalds status = verify_attr_len(xdr, savep, attrlen); 29941da177e4SLinus Torvalds xdr_error: 299516c32b71STrond Myklebust dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status); 29961da177e4SLinus Torvalds return status; 29971da177e4SLinus Torvalds } 29981da177e4SLinus Torvalds 29991da177e4SLinus Torvalds static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) 30001da177e4SLinus Torvalds { 30018687b63aSAl Viro __be32 *savep; 30021da177e4SLinus Torvalds uint32_t attrlen, 30031da177e4SLinus Torvalds bitmap[2] = {0}; 30041da177e4SLinus Torvalds int status; 30051da177e4SLinus Torvalds 30061da177e4SLinus Torvalds if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 30071da177e4SLinus Torvalds goto xdr_error; 30081da177e4SLinus Torvalds if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) 30091da177e4SLinus Torvalds goto xdr_error; 30101da177e4SLinus Torvalds if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 30111da177e4SLinus Torvalds goto xdr_error; 30121da177e4SLinus Torvalds 30131da177e4SLinus Torvalds if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) 30141da177e4SLinus Torvalds goto xdr_error; 30151da177e4SLinus Torvalds if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) 30161da177e4SLinus Torvalds goto xdr_error; 30171da177e4SLinus Torvalds if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) 30181da177e4SLinus Torvalds goto xdr_error; 30191da177e4SLinus Torvalds if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) 30201da177e4SLinus Torvalds goto xdr_error; 30211da177e4SLinus Torvalds if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) 30221da177e4SLinus Torvalds goto xdr_error; 30231da177e4SLinus Torvalds if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) 30241da177e4SLinus Torvalds goto xdr_error; 30251da177e4SLinus Torvalds 30261da177e4SLinus Torvalds status = verify_attr_len(xdr, savep, attrlen); 30271da177e4SLinus Torvalds xdr_error: 302816c32b71STrond Myklebust dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status); 30291da177e4SLinus Torvalds return status; 30301da177e4SLinus Torvalds } 30311da177e4SLinus Torvalds 30321da177e4SLinus Torvalds static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) 30331da177e4SLinus Torvalds { 30348687b63aSAl Viro __be32 *savep; 30351da177e4SLinus Torvalds uint32_t attrlen, 30361da177e4SLinus Torvalds bitmap[2] = {0}; 30371da177e4SLinus Torvalds int status; 30381da177e4SLinus Torvalds 30391da177e4SLinus Torvalds if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 30401da177e4SLinus Torvalds goto xdr_error; 30411da177e4SLinus Torvalds if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) 30421da177e4SLinus Torvalds goto xdr_error; 30431da177e4SLinus Torvalds if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 30441da177e4SLinus Torvalds goto xdr_error; 30451da177e4SLinus Torvalds 30461da177e4SLinus Torvalds if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) 30471da177e4SLinus Torvalds goto xdr_error; 30481da177e4SLinus Torvalds if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) 30491da177e4SLinus Torvalds goto xdr_error; 30501da177e4SLinus Torvalds 30511da177e4SLinus Torvalds status = verify_attr_len(xdr, savep, attrlen); 30521da177e4SLinus Torvalds xdr_error: 305316c32b71STrond Myklebust dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status); 30541da177e4SLinus Torvalds return status; 30551da177e4SLinus Torvalds } 30561da177e4SLinus Torvalds 30571da177e4SLinus Torvalds static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, const struct nfs_server *server) 30581da177e4SLinus Torvalds { 30598687b63aSAl Viro __be32 *savep; 30601da177e4SLinus Torvalds uint32_t attrlen, 30611da177e4SLinus Torvalds bitmap[2] = {0}, 30621da177e4SLinus Torvalds type; 30631da177e4SLinus Torvalds int status, fmode = 0; 306499baf625SManoj Naik uint64_t fileid; 30651da177e4SLinus Torvalds 30661da177e4SLinus Torvalds if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 30671da177e4SLinus Torvalds goto xdr_error; 30681da177e4SLinus Torvalds if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) 30691da177e4SLinus Torvalds goto xdr_error; 30701da177e4SLinus Torvalds 30711da177e4SLinus Torvalds fattr->bitmap[0] = bitmap[0]; 30721da177e4SLinus Torvalds fattr->bitmap[1] = bitmap[1]; 30731da177e4SLinus Torvalds 30741da177e4SLinus Torvalds if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 30751da177e4SLinus Torvalds goto xdr_error; 30761da177e4SLinus Torvalds 30771da177e4SLinus Torvalds 30781da177e4SLinus Torvalds if ((status = decode_attr_type(xdr, bitmap, &type)) != 0) 30791da177e4SLinus Torvalds goto xdr_error; 30801da177e4SLinus Torvalds fattr->type = nfs_type2fmt[type].nfs2type; 30811da177e4SLinus Torvalds fmode = nfs_type2fmt[type].mode; 30821da177e4SLinus Torvalds 30831da177e4SLinus Torvalds if ((status = decode_attr_change(xdr, bitmap, &fattr->change_attr)) != 0) 30841da177e4SLinus Torvalds goto xdr_error; 30851da177e4SLinus Torvalds if ((status = decode_attr_size(xdr, bitmap, &fattr->size)) != 0) 30861da177e4SLinus Torvalds goto xdr_error; 30878b4bdcf8STrond Myklebust if ((status = decode_attr_fsid(xdr, bitmap, &fattr->fsid)) != 0) 30881da177e4SLinus Torvalds goto xdr_error; 30891da177e4SLinus Torvalds if ((status = decode_attr_fileid(xdr, bitmap, &fattr->fileid)) != 0) 30901da177e4SLinus Torvalds goto xdr_error; 3091683b57b4STrond Myklebust if ((status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr, 30927aaa0b3bSManoj Naik struct nfs4_fs_locations, 3093683b57b4STrond Myklebust fattr))) != 0) 3094683b57b4STrond Myklebust goto xdr_error; 30951da177e4SLinus Torvalds if ((status = decode_attr_mode(xdr, bitmap, &fattr->mode)) != 0) 30961da177e4SLinus Torvalds goto xdr_error; 30971da177e4SLinus Torvalds fattr->mode |= fmode; 30981da177e4SLinus Torvalds if ((status = decode_attr_nlink(xdr, bitmap, &fattr->nlink)) != 0) 30991da177e4SLinus Torvalds goto xdr_error; 31007539bbabSDavid Howells if ((status = decode_attr_owner(xdr, bitmap, server->nfs_client, &fattr->uid)) != 0) 31011da177e4SLinus Torvalds goto xdr_error; 31027539bbabSDavid Howells if ((status = decode_attr_group(xdr, bitmap, server->nfs_client, &fattr->gid)) != 0) 31031da177e4SLinus Torvalds goto xdr_error; 31041da177e4SLinus Torvalds if ((status = decode_attr_rdev(xdr, bitmap, &fattr->rdev)) != 0) 31051da177e4SLinus Torvalds goto xdr_error; 31061da177e4SLinus Torvalds if ((status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used)) != 0) 31071da177e4SLinus Torvalds goto xdr_error; 31081da177e4SLinus Torvalds if ((status = decode_attr_time_access(xdr, bitmap, &fattr->atime)) != 0) 31091da177e4SLinus Torvalds goto xdr_error; 31101da177e4SLinus Torvalds if ((status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime)) != 0) 31111da177e4SLinus Torvalds goto xdr_error; 31121da177e4SLinus Torvalds if ((status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime)) != 0) 31131da177e4SLinus Torvalds goto xdr_error; 311499baf625SManoj Naik if ((status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid)) != 0) 311599baf625SManoj Naik goto xdr_error; 311699baf625SManoj Naik if (fattr->fileid == 0 && fileid != 0) 311799baf625SManoj Naik fattr->fileid = fileid; 311833801147STrond Myklebust if ((status = verify_attr_len(xdr, savep, attrlen)) == 0) 31191da177e4SLinus Torvalds fattr->valid = NFS_ATTR_FATTR | NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4; 31201da177e4SLinus Torvalds xdr_error: 312116c32b71STrond Myklebust dprintk("%s: xdr returned %d\n", __FUNCTION__, -status); 31221da177e4SLinus Torvalds return status; 31231da177e4SLinus Torvalds } 31241da177e4SLinus Torvalds 31251da177e4SLinus Torvalds 31261da177e4SLinus Torvalds static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) 31271da177e4SLinus Torvalds { 31288687b63aSAl Viro __be32 *savep; 31291da177e4SLinus Torvalds uint32_t attrlen, bitmap[2]; 31301da177e4SLinus Torvalds int status; 31311da177e4SLinus Torvalds 31321da177e4SLinus Torvalds if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 31331da177e4SLinus Torvalds goto xdr_error; 31341da177e4SLinus Torvalds if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) 31351da177e4SLinus Torvalds goto xdr_error; 31361da177e4SLinus Torvalds if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 31371da177e4SLinus Torvalds goto xdr_error; 31381da177e4SLinus Torvalds 31391da177e4SLinus Torvalds fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ 31401da177e4SLinus Torvalds 31411da177e4SLinus Torvalds if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) 31421da177e4SLinus Torvalds goto xdr_error; 31431da177e4SLinus Torvalds if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) 31441da177e4SLinus Torvalds goto xdr_error; 31451da177e4SLinus Torvalds if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) 31461da177e4SLinus Torvalds goto xdr_error; 31471da177e4SLinus Torvalds fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; 31481da177e4SLinus Torvalds if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) 31491da177e4SLinus Torvalds goto xdr_error; 31501da177e4SLinus Torvalds fsinfo->wtpref = fsinfo->wtmax; 31511da177e4SLinus Torvalds 31521da177e4SLinus Torvalds status = verify_attr_len(xdr, savep, attrlen); 31531da177e4SLinus Torvalds xdr_error: 315416c32b71STrond Myklebust dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status); 31551da177e4SLinus Torvalds return status; 31561da177e4SLinus Torvalds } 31571da177e4SLinus Torvalds 31581da177e4SLinus Torvalds static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) 31591da177e4SLinus Torvalds { 31608687b63aSAl Viro __be32 *p; 31611da177e4SLinus Torvalds uint32_t len; 31621da177e4SLinus Torvalds int status; 31631da177e4SLinus Torvalds 31649936781dSTrond Myklebust /* Zero handle first to allow comparisons */ 31659936781dSTrond Myklebust memset(fh, 0, sizeof(*fh)); 31669936781dSTrond Myklebust 31671da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_GETFH); 31681da177e4SLinus Torvalds if (status) 31691da177e4SLinus Torvalds return status; 31701da177e4SLinus Torvalds 31711da177e4SLinus Torvalds READ_BUF(4); 31721da177e4SLinus Torvalds READ32(len); 31731da177e4SLinus Torvalds if (len > NFS4_FHSIZE) 31741da177e4SLinus Torvalds return -EIO; 31751da177e4SLinus Torvalds fh->size = len; 31761da177e4SLinus Torvalds READ_BUF(len); 31771da177e4SLinus Torvalds COPYMEM(fh->data, len); 31781da177e4SLinus Torvalds return 0; 31791da177e4SLinus Torvalds } 31801da177e4SLinus Torvalds 31811da177e4SLinus Torvalds static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) 31821da177e4SLinus Torvalds { 31831da177e4SLinus Torvalds int status; 31841da177e4SLinus Torvalds 31851da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_LINK); 31861da177e4SLinus Torvalds if (status) 31871da177e4SLinus Torvalds return status; 31881da177e4SLinus Torvalds return decode_change_info(xdr, cinfo); 31891da177e4SLinus Torvalds } 31901da177e4SLinus Torvalds 31911da177e4SLinus Torvalds /* 31921da177e4SLinus Torvalds * We create the owner, so we know a proper owner.id length is 4. 31931da177e4SLinus Torvalds */ 3194911d1aafSTrond Myklebust static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) 31951da177e4SLinus Torvalds { 3196911d1aafSTrond Myklebust uint64_t offset, length, clientid; 31978687b63aSAl Viro __be32 *p; 3198911d1aafSTrond Myklebust uint32_t namelen, type; 31991da177e4SLinus Torvalds 32001da177e4SLinus Torvalds READ_BUF(32); 3201911d1aafSTrond Myklebust READ64(offset); 3202911d1aafSTrond Myklebust READ64(length); 3203911d1aafSTrond Myklebust READ32(type); 3204911d1aafSTrond Myklebust if (fl != NULL) { 3205911d1aafSTrond Myklebust fl->fl_start = (loff_t)offset; 3206911d1aafSTrond Myklebust fl->fl_end = fl->fl_start + (loff_t)length - 1; 3207911d1aafSTrond Myklebust if (length == ~(uint64_t)0) 3208911d1aafSTrond Myklebust fl->fl_end = OFFSET_MAX; 3209911d1aafSTrond Myklebust fl->fl_type = F_WRLCK; 3210911d1aafSTrond Myklebust if (type & 1) 3211911d1aafSTrond Myklebust fl->fl_type = F_RDLCK; 3212911d1aafSTrond Myklebust fl->fl_pid = 0; 3213911d1aafSTrond Myklebust } 3214911d1aafSTrond Myklebust READ64(clientid); 32151da177e4SLinus Torvalds READ32(namelen); 32161da177e4SLinus Torvalds READ_BUF(namelen); 32171da177e4SLinus Torvalds return -NFS4ERR_DENIED; 32181da177e4SLinus Torvalds } 32191da177e4SLinus Torvalds 3220911d1aafSTrond Myklebust static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) 32211da177e4SLinus Torvalds { 32228687b63aSAl Viro __be32 *p; 32231da177e4SLinus Torvalds int status; 32241da177e4SLinus Torvalds 32251da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_LOCK); 32261da177e4SLinus Torvalds if (status == 0) { 32278ae20abdSTrond Myklebust READ_BUF(NFS4_STATEID_SIZE); 32288ae20abdSTrond Myklebust COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); 32291da177e4SLinus Torvalds } else if (status == -NFS4ERR_DENIED) 3230911d1aafSTrond Myklebust return decode_lock_denied(xdr, NULL); 32311da177e4SLinus Torvalds return status; 32321da177e4SLinus Torvalds } 32331da177e4SLinus Torvalds 3234911d1aafSTrond Myklebust static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) 32351da177e4SLinus Torvalds { 32361da177e4SLinus Torvalds int status; 32371da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_LOCKT); 32381da177e4SLinus Torvalds if (status == -NFS4ERR_DENIED) 3239911d1aafSTrond Myklebust return decode_lock_denied(xdr, res->denied); 32401da177e4SLinus Torvalds return status; 32411da177e4SLinus Torvalds } 32421da177e4SLinus Torvalds 3243911d1aafSTrond Myklebust static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) 32441da177e4SLinus Torvalds { 32458687b63aSAl Viro __be32 *p; 32461da177e4SLinus Torvalds int status; 32471da177e4SLinus Torvalds 32481da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_LOCKU); 32491da177e4SLinus Torvalds if (status == 0) { 32508ae20abdSTrond Myklebust READ_BUF(NFS4_STATEID_SIZE); 32518ae20abdSTrond Myklebust COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); 32521da177e4SLinus Torvalds } 32531da177e4SLinus Torvalds return status; 32541da177e4SLinus Torvalds } 32551da177e4SLinus Torvalds 32561da177e4SLinus Torvalds static int decode_lookup(struct xdr_stream *xdr) 32571da177e4SLinus Torvalds { 32581da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_LOOKUP); 32591da177e4SLinus Torvalds } 32601da177e4SLinus Torvalds 32611da177e4SLinus Torvalds /* This is too sick! */ 32621da177e4SLinus Torvalds static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) 32631da177e4SLinus Torvalds { 32648687b63aSAl Viro __be32 *p; 32651da177e4SLinus Torvalds uint32_t limit_type, nblocks, blocksize; 32661da177e4SLinus Torvalds 32671da177e4SLinus Torvalds READ_BUF(12); 32681da177e4SLinus Torvalds READ32(limit_type); 32691da177e4SLinus Torvalds switch (limit_type) { 32701da177e4SLinus Torvalds case 1: 32711da177e4SLinus Torvalds READ64(*maxsize); 32721da177e4SLinus Torvalds break; 32731da177e4SLinus Torvalds case 2: 32741da177e4SLinus Torvalds READ32(nblocks); 32751da177e4SLinus Torvalds READ32(blocksize); 32761da177e4SLinus Torvalds *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; 32771da177e4SLinus Torvalds } 32781da177e4SLinus Torvalds return 0; 32791da177e4SLinus Torvalds } 32801da177e4SLinus Torvalds 32811da177e4SLinus Torvalds static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) 32821da177e4SLinus Torvalds { 32838687b63aSAl Viro __be32 *p; 32841da177e4SLinus Torvalds uint32_t delegation_type; 32851da177e4SLinus Torvalds 32861da177e4SLinus Torvalds READ_BUF(4); 32871da177e4SLinus Torvalds READ32(delegation_type); 32881da177e4SLinus Torvalds if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { 32891da177e4SLinus Torvalds res->delegation_type = 0; 32901da177e4SLinus Torvalds return 0; 32911da177e4SLinus Torvalds } 32928ae20abdSTrond Myklebust READ_BUF(NFS4_STATEID_SIZE+4); 32938ae20abdSTrond Myklebust COPYMEM(res->delegation.data, NFS4_STATEID_SIZE); 32941da177e4SLinus Torvalds READ32(res->do_recall); 32951da177e4SLinus Torvalds switch (delegation_type) { 32961da177e4SLinus Torvalds case NFS4_OPEN_DELEGATE_READ: 32971da177e4SLinus Torvalds res->delegation_type = FMODE_READ; 32981da177e4SLinus Torvalds break; 32991da177e4SLinus Torvalds case NFS4_OPEN_DELEGATE_WRITE: 33001da177e4SLinus Torvalds res->delegation_type = FMODE_WRITE|FMODE_READ; 33011da177e4SLinus Torvalds if (decode_space_limit(xdr, &res->maxsize) < 0) 33021da177e4SLinus Torvalds return -EIO; 33031da177e4SLinus Torvalds } 33047539bbabSDavid Howells return decode_ace(xdr, NULL, res->server->nfs_client); 33051da177e4SLinus Torvalds } 33061da177e4SLinus Torvalds 33071da177e4SLinus Torvalds static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) 33081da177e4SLinus Torvalds { 33098687b63aSAl Viro __be32 *p; 3310aa53ed54SJeff Layton uint32_t savewords, bmlen, i; 33111da177e4SLinus Torvalds int status; 33121da177e4SLinus Torvalds 33131da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_OPEN); 33141da177e4SLinus Torvalds if (status) 33151da177e4SLinus Torvalds return status; 33168ae20abdSTrond Myklebust READ_BUF(NFS4_STATEID_SIZE); 33178ae20abdSTrond Myklebust COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); 33181da177e4SLinus Torvalds 33191da177e4SLinus Torvalds decode_change_info(xdr, &res->cinfo); 33201da177e4SLinus Torvalds 33211da177e4SLinus Torvalds READ_BUF(8); 33221da177e4SLinus Torvalds READ32(res->rflags); 33231da177e4SLinus Torvalds READ32(bmlen); 33241da177e4SLinus Torvalds if (bmlen > 10) 33251da177e4SLinus Torvalds goto xdr_error; 33261da177e4SLinus Torvalds 33271da177e4SLinus Torvalds READ_BUF(bmlen << 2); 3328aa53ed54SJeff Layton savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); 3329aa53ed54SJeff Layton for (i = 0; i < savewords; ++i) 3330aa53ed54SJeff Layton READ32(res->attrset[i]); 3331aa53ed54SJeff Layton for (; i < NFS4_BITMAP_SIZE; i++) 3332aa53ed54SJeff Layton res->attrset[i] = 0; 3333aa53ed54SJeff Layton 33341da177e4SLinus Torvalds return decode_delegation(xdr, res); 33351da177e4SLinus Torvalds xdr_error: 333616c32b71STrond Myklebust dprintk("%s: Bitmap too large! Length = %u\n", __FUNCTION__, bmlen); 33371da177e4SLinus Torvalds return -EIO; 33381da177e4SLinus Torvalds } 33391da177e4SLinus Torvalds 33401da177e4SLinus Torvalds static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) 33411da177e4SLinus Torvalds { 33428687b63aSAl Viro __be32 *p; 33431da177e4SLinus Torvalds int status; 33441da177e4SLinus Torvalds 33451da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); 33461da177e4SLinus Torvalds if (status) 33471da177e4SLinus Torvalds return status; 33488ae20abdSTrond Myklebust READ_BUF(NFS4_STATEID_SIZE); 33498ae20abdSTrond Myklebust COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); 33501da177e4SLinus Torvalds return 0; 33511da177e4SLinus Torvalds } 33521da177e4SLinus Torvalds 33531da177e4SLinus Torvalds static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) 33541da177e4SLinus Torvalds { 33558687b63aSAl Viro __be32 *p; 33561da177e4SLinus Torvalds int status; 33571da177e4SLinus Torvalds 33581da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); 33591da177e4SLinus Torvalds if (status) 33601da177e4SLinus Torvalds return status; 33618ae20abdSTrond Myklebust READ_BUF(NFS4_STATEID_SIZE); 33628ae20abdSTrond Myklebust COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); 33631da177e4SLinus Torvalds return 0; 33641da177e4SLinus Torvalds } 33651da177e4SLinus Torvalds 33661da177e4SLinus Torvalds static int decode_putfh(struct xdr_stream *xdr) 33671da177e4SLinus Torvalds { 33681da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_PUTFH); 33691da177e4SLinus Torvalds } 33701da177e4SLinus Torvalds 33711da177e4SLinus Torvalds static int decode_putrootfh(struct xdr_stream *xdr) 33721da177e4SLinus Torvalds { 33731da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_PUTROOTFH); 33741da177e4SLinus Torvalds } 33751da177e4SLinus Torvalds 33761da177e4SLinus Torvalds static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) 33771da177e4SLinus Torvalds { 33781da177e4SLinus Torvalds struct kvec *iov = req->rq_rcv_buf.head; 33798687b63aSAl Viro __be32 *p; 33801da177e4SLinus Torvalds uint32_t count, eof, recvd, hdrlen; 33811da177e4SLinus Torvalds int status; 33821da177e4SLinus Torvalds 33831da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_READ); 33841da177e4SLinus Torvalds if (status) 33851da177e4SLinus Torvalds return status; 33861da177e4SLinus Torvalds READ_BUF(8); 33871da177e4SLinus Torvalds READ32(eof); 33881da177e4SLinus Torvalds READ32(count); 33891da177e4SLinus Torvalds hdrlen = (u8 *) p - (u8 *) iov->iov_base; 33901da177e4SLinus Torvalds recvd = req->rq_rcv_buf.len - hdrlen; 33911da177e4SLinus Torvalds if (count > recvd) { 33921da177e4SLinus Torvalds printk(KERN_WARNING "NFS: server cheating in read reply: " 33931da177e4SLinus Torvalds "count %u > recvd %u\n", count, recvd); 33941da177e4SLinus Torvalds count = recvd; 33951da177e4SLinus Torvalds eof = 0; 33961da177e4SLinus Torvalds } 33971da177e4SLinus Torvalds xdr_read_pages(xdr, count); 33981da177e4SLinus Torvalds res->eof = eof; 33991da177e4SLinus Torvalds res->count = count; 34001da177e4SLinus Torvalds return 0; 34011da177e4SLinus Torvalds } 34021da177e4SLinus Torvalds 34031da177e4SLinus Torvalds static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) 34041da177e4SLinus Torvalds { 34051da177e4SLinus Torvalds struct xdr_buf *rcvbuf = &req->rq_rcv_buf; 34061da177e4SLinus Torvalds struct page *page = *rcvbuf->pages; 34071da177e4SLinus Torvalds struct kvec *iov = rcvbuf->head; 34081da177e4SLinus Torvalds unsigned int nr, pglen = rcvbuf->page_len; 34098687b63aSAl Viro __be32 *end, *entry, *p, *kaddr; 3410e8896495SDavid Howells uint32_t len, attrlen, xlen; 34111da177e4SLinus Torvalds int hdrlen, recvd, status; 34121da177e4SLinus Torvalds 34131da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_READDIR); 34141da177e4SLinus Torvalds if (status) 34151da177e4SLinus Torvalds return status; 34161da177e4SLinus Torvalds READ_BUF(8); 34171da177e4SLinus Torvalds COPYMEM(readdir->verifier.data, 8); 3418eadf4598STrond Myklebust dprintk("%s: verifier = 0x%x%x\n", 3419eadf4598STrond Myklebust __FUNCTION__, 3420eadf4598STrond Myklebust ((u32 *)readdir->verifier.data)[0], 3421eadf4598STrond Myklebust ((u32 *)readdir->verifier.data)[1]); 3422eadf4598STrond Myklebust 34231da177e4SLinus Torvalds 34241da177e4SLinus Torvalds hdrlen = (char *) p - (char *) iov->iov_base; 34251da177e4SLinus Torvalds recvd = rcvbuf->len - hdrlen; 34261da177e4SLinus Torvalds if (pglen > recvd) 34271da177e4SLinus Torvalds pglen = recvd; 34281da177e4SLinus Torvalds xdr_read_pages(xdr, pglen); 34291da177e4SLinus Torvalds 34301da177e4SLinus Torvalds BUG_ON(pglen + readdir->pgbase > PAGE_CACHE_SIZE); 34318687b63aSAl Viro kaddr = p = kmap_atomic(page, KM_USER0); 3432e8896495SDavid Howells end = p + ((pglen + readdir->pgbase) >> 2); 34331da177e4SLinus Torvalds entry = p; 34341da177e4SLinus Torvalds for (nr = 0; *p++; nr++) { 3435e8896495SDavid Howells if (end - p < 3) 34361da177e4SLinus Torvalds goto short_pkt; 3437eadf4598STrond Myklebust dprintk("cookie = %Lu, ", *((unsigned long long *)p)); 34381da177e4SLinus Torvalds p += 2; /* cookie */ 34391da177e4SLinus Torvalds len = ntohl(*p++); /* filename length */ 34401da177e4SLinus Torvalds if (len > NFS4_MAXNAMLEN) { 34411da177e4SLinus Torvalds printk(KERN_WARNING "NFS: giant filename in readdir (len 0x%x)\n", len); 34421da177e4SLinus Torvalds goto err_unmap; 34431da177e4SLinus Torvalds } 3444e8896495SDavid Howells xlen = XDR_QUADLEN(len); 3445e8896495SDavid Howells if (end - p < xlen + 1) 3446e8896495SDavid Howells goto short_pkt; 3447eadf4598STrond Myklebust dprintk("filename = %*s\n", len, (char *)p); 3448e8896495SDavid Howells p += xlen; 34491da177e4SLinus Torvalds len = ntohl(*p++); /* bitmap length */ 3450e8896495SDavid Howells if (end - p < len + 1) 3451e8896495SDavid Howells goto short_pkt; 34521da177e4SLinus Torvalds p += len; 34531da177e4SLinus Torvalds attrlen = XDR_QUADLEN(ntohl(*p++)); 3454e8896495SDavid Howells if (end - p < attrlen + 2) 34551da177e4SLinus Torvalds goto short_pkt; 3456e8896495SDavid Howells p += attrlen; /* attributes */ 34571da177e4SLinus Torvalds entry = p; 34581da177e4SLinus Torvalds } 34591da177e4SLinus Torvalds if (!nr && (entry[0] != 0 || entry[1] == 0)) 34601da177e4SLinus Torvalds goto short_pkt; 34611da177e4SLinus Torvalds out: 34621da177e4SLinus Torvalds kunmap_atomic(kaddr, KM_USER0); 34631da177e4SLinus Torvalds return 0; 34641da177e4SLinus Torvalds short_pkt: 3465eadf4598STrond Myklebust dprintk("%s: short packet at entry %d\n", __FUNCTION__, nr); 34661da177e4SLinus Torvalds entry[0] = entry[1] = 0; 34671da177e4SLinus Torvalds /* truncate listing ? */ 34681da177e4SLinus Torvalds if (!nr) { 34691da177e4SLinus Torvalds printk(KERN_NOTICE "NFS: readdir reply truncated!\n"); 34701da177e4SLinus Torvalds entry[1] = 1; 34711da177e4SLinus Torvalds } 34721da177e4SLinus Torvalds goto out; 34731da177e4SLinus Torvalds err_unmap: 34741da177e4SLinus Torvalds kunmap_atomic(kaddr, KM_USER0); 34751da177e4SLinus Torvalds return -errno_NFSERR_IO; 34761da177e4SLinus Torvalds } 34771da177e4SLinus Torvalds 34781da177e4SLinus Torvalds static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) 34791da177e4SLinus Torvalds { 34801da177e4SLinus Torvalds struct xdr_buf *rcvbuf = &req->rq_rcv_buf; 34811da177e4SLinus Torvalds struct kvec *iov = rcvbuf->head; 34821da177e4SLinus Torvalds int hdrlen, len, recvd; 34838687b63aSAl Viro __be32 *p; 34841da177e4SLinus Torvalds char *kaddr; 34851da177e4SLinus Torvalds int status; 34861da177e4SLinus Torvalds 34871da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_READLINK); 34881da177e4SLinus Torvalds if (status) 34891da177e4SLinus Torvalds return status; 34901da177e4SLinus Torvalds 34911da177e4SLinus Torvalds /* Convert length of symlink */ 34921da177e4SLinus Torvalds READ_BUF(4); 34931da177e4SLinus Torvalds READ32(len); 34941da177e4SLinus Torvalds if (len >= rcvbuf->page_len || len <= 0) { 34951da177e4SLinus Torvalds dprintk(KERN_WARNING "nfs: server returned giant symlink!\n"); 34961da177e4SLinus Torvalds return -ENAMETOOLONG; 34971da177e4SLinus Torvalds } 34981da177e4SLinus Torvalds hdrlen = (char *) xdr->p - (char *) iov->iov_base; 34991da177e4SLinus Torvalds recvd = req->rq_rcv_buf.len - hdrlen; 35001da177e4SLinus Torvalds if (recvd < len) { 35011da177e4SLinus Torvalds printk(KERN_WARNING "NFS: server cheating in readlink reply: " 35021da177e4SLinus Torvalds "count %u > recvd %u\n", len, recvd); 35031da177e4SLinus Torvalds return -EIO; 35041da177e4SLinus Torvalds } 35051da177e4SLinus Torvalds xdr_read_pages(xdr, len); 35061da177e4SLinus Torvalds /* 35071da177e4SLinus Torvalds * The XDR encode routine has set things up so that 35081da177e4SLinus Torvalds * the link text will be copied directly into the 35091da177e4SLinus Torvalds * buffer. We just have to do overflow-checking, 35101da177e4SLinus Torvalds * and and null-terminate the text (the VFS expects 35111da177e4SLinus Torvalds * null-termination). 35121da177e4SLinus Torvalds */ 35131da177e4SLinus Torvalds kaddr = (char *)kmap_atomic(rcvbuf->pages[0], KM_USER0); 35141da177e4SLinus Torvalds kaddr[len+rcvbuf->page_base] = '\0'; 35151da177e4SLinus Torvalds kunmap_atomic(kaddr, KM_USER0); 35161da177e4SLinus Torvalds return 0; 35171da177e4SLinus Torvalds } 35181da177e4SLinus Torvalds 35191da177e4SLinus Torvalds static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) 35201da177e4SLinus Torvalds { 35211da177e4SLinus Torvalds int status; 35221da177e4SLinus Torvalds 35231da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_REMOVE); 35241da177e4SLinus Torvalds if (status) 35251da177e4SLinus Torvalds goto out; 35261da177e4SLinus Torvalds status = decode_change_info(xdr, cinfo); 35271da177e4SLinus Torvalds out: 35281da177e4SLinus Torvalds return status; 35291da177e4SLinus Torvalds } 35301da177e4SLinus Torvalds 35311da177e4SLinus Torvalds static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, 35321da177e4SLinus Torvalds struct nfs4_change_info *new_cinfo) 35331da177e4SLinus Torvalds { 35341da177e4SLinus Torvalds int status; 35351da177e4SLinus Torvalds 35361da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_RENAME); 35371da177e4SLinus Torvalds if (status) 35381da177e4SLinus Torvalds goto out; 35391da177e4SLinus Torvalds if ((status = decode_change_info(xdr, old_cinfo))) 35401da177e4SLinus Torvalds goto out; 35411da177e4SLinus Torvalds status = decode_change_info(xdr, new_cinfo); 35421da177e4SLinus Torvalds out: 35431da177e4SLinus Torvalds return status; 35441da177e4SLinus Torvalds } 35451da177e4SLinus Torvalds 35461da177e4SLinus Torvalds static int decode_renew(struct xdr_stream *xdr) 35471da177e4SLinus Torvalds { 35481da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_RENEW); 35491da177e4SLinus Torvalds } 35501da177e4SLinus Torvalds 355156ae19f3STrond Myklebust static int 355256ae19f3STrond Myklebust decode_restorefh(struct xdr_stream *xdr) 355356ae19f3STrond Myklebust { 355456ae19f3STrond Myklebust return decode_op_hdr(xdr, OP_RESTOREFH); 355556ae19f3STrond Myklebust } 355656ae19f3STrond Myklebust 3557029d105eSJ. Bruce Fields static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, 3558029d105eSJ. Bruce Fields size_t *acl_len) 3559029d105eSJ. Bruce Fields { 35608687b63aSAl Viro __be32 *savep; 3561029d105eSJ. Bruce Fields uint32_t attrlen, 3562029d105eSJ. Bruce Fields bitmap[2] = {0}; 3563029d105eSJ. Bruce Fields struct kvec *iov = req->rq_rcv_buf.head; 3564029d105eSJ. Bruce Fields int status; 3565029d105eSJ. Bruce Fields 3566029d105eSJ. Bruce Fields *acl_len = 0; 3567029d105eSJ. Bruce Fields if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) 3568029d105eSJ. Bruce Fields goto out; 3569029d105eSJ. Bruce Fields if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) 3570029d105eSJ. Bruce Fields goto out; 3571029d105eSJ. Bruce Fields if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) 3572029d105eSJ. Bruce Fields goto out; 3573029d105eSJ. Bruce Fields 3574029d105eSJ. Bruce Fields if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) 3575029d105eSJ. Bruce Fields return -EIO; 3576029d105eSJ. Bruce Fields if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { 3577029d105eSJ. Bruce Fields int hdrlen, recvd; 3578029d105eSJ. Bruce Fields 3579029d105eSJ. Bruce Fields /* We ignore &savep and don't do consistency checks on 3580029d105eSJ. Bruce Fields * the attr length. Let userspace figure it out.... */ 3581029d105eSJ. Bruce Fields hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; 3582029d105eSJ. Bruce Fields recvd = req->rq_rcv_buf.len - hdrlen; 3583029d105eSJ. Bruce Fields if (attrlen > recvd) { 3584029d105eSJ. Bruce Fields printk(KERN_WARNING "NFS: server cheating in getattr" 3585029d105eSJ. Bruce Fields " acl reply: attrlen %u > recvd %u\n", 3586029d105eSJ. Bruce Fields attrlen, recvd); 3587029d105eSJ. Bruce Fields return -EINVAL; 3588029d105eSJ. Bruce Fields } 3589029d105eSJ. Bruce Fields xdr_read_pages(xdr, attrlen); 3590029d105eSJ. Bruce Fields *acl_len = attrlen; 35918c233cf9SJ. Bruce Fields } else 35928c233cf9SJ. Bruce Fields status = -EOPNOTSUPP; 3593029d105eSJ. Bruce Fields 3594029d105eSJ. Bruce Fields out: 3595029d105eSJ. Bruce Fields return status; 3596029d105eSJ. Bruce Fields } 3597029d105eSJ. Bruce Fields 35981da177e4SLinus Torvalds static int 35991da177e4SLinus Torvalds decode_savefh(struct xdr_stream *xdr) 36001da177e4SLinus Torvalds { 36011da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_SAVEFH); 36021da177e4SLinus Torvalds } 36031da177e4SLinus Torvalds 36041da177e4SLinus Torvalds static int decode_setattr(struct xdr_stream *xdr, struct nfs_setattrres *res) 36051da177e4SLinus Torvalds { 36068687b63aSAl Viro __be32 *p; 36071da177e4SLinus Torvalds uint32_t bmlen; 36081da177e4SLinus Torvalds int status; 36091da177e4SLinus Torvalds 36101da177e4SLinus Torvalds 36111da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_SETATTR); 36121da177e4SLinus Torvalds if (status) 36131da177e4SLinus Torvalds return status; 36141da177e4SLinus Torvalds READ_BUF(4); 36151da177e4SLinus Torvalds READ32(bmlen); 36161da177e4SLinus Torvalds READ_BUF(bmlen << 2); 36171da177e4SLinus Torvalds return 0; 36181da177e4SLinus Torvalds } 36191da177e4SLinus Torvalds 3620adfa6f98SDavid Howells static int decode_setclientid(struct xdr_stream *xdr, struct nfs_client *clp) 36211da177e4SLinus Torvalds { 36228687b63aSAl Viro __be32 *p; 36231da177e4SLinus Torvalds uint32_t opnum; 36241da177e4SLinus Torvalds int32_t nfserr; 36251da177e4SLinus Torvalds 36261da177e4SLinus Torvalds READ_BUF(8); 36271da177e4SLinus Torvalds READ32(opnum); 36281da177e4SLinus Torvalds if (opnum != OP_SETCLIENTID) { 36291da177e4SLinus Torvalds printk(KERN_NOTICE 36301da177e4SLinus Torvalds "nfs4_decode_setclientid: Server returned operation" 36311da177e4SLinus Torvalds " %d\n", opnum); 36321da177e4SLinus Torvalds return -EIO; 36331da177e4SLinus Torvalds } 36341da177e4SLinus Torvalds READ32(nfserr); 36351da177e4SLinus Torvalds if (nfserr == NFS_OK) { 36368ae20abdSTrond Myklebust READ_BUF(8 + NFS4_VERIFIER_SIZE); 36371da177e4SLinus Torvalds READ64(clp->cl_clientid); 36388ae20abdSTrond Myklebust COPYMEM(clp->cl_confirm.data, NFS4_VERIFIER_SIZE); 36391da177e4SLinus Torvalds } else if (nfserr == NFSERR_CLID_INUSE) { 36401da177e4SLinus Torvalds uint32_t len; 36411da177e4SLinus Torvalds 36421da177e4SLinus Torvalds /* skip netid string */ 36431da177e4SLinus Torvalds READ_BUF(4); 36441da177e4SLinus Torvalds READ32(len); 36451da177e4SLinus Torvalds READ_BUF(len); 36461da177e4SLinus Torvalds 36471da177e4SLinus Torvalds /* skip uaddr string */ 36481da177e4SLinus Torvalds READ_BUF(4); 36491da177e4SLinus Torvalds READ32(len); 36501da177e4SLinus Torvalds READ_BUF(len); 36511da177e4SLinus Torvalds return -NFSERR_CLID_INUSE; 36521da177e4SLinus Torvalds } else 36530a8ea437SDavid Howells return -nfs4_stat_to_errno(nfserr); 36541da177e4SLinus Torvalds 36551da177e4SLinus Torvalds return 0; 36561da177e4SLinus Torvalds } 36571da177e4SLinus Torvalds 36581da177e4SLinus Torvalds static int decode_setclientid_confirm(struct xdr_stream *xdr) 36591da177e4SLinus Torvalds { 36601da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); 36611da177e4SLinus Torvalds } 36621da177e4SLinus Torvalds 36631da177e4SLinus Torvalds static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) 36641da177e4SLinus Torvalds { 36658687b63aSAl Viro __be32 *p; 36661da177e4SLinus Torvalds int status; 36671da177e4SLinus Torvalds 36681da177e4SLinus Torvalds status = decode_op_hdr(xdr, OP_WRITE); 36691da177e4SLinus Torvalds if (status) 36701da177e4SLinus Torvalds return status; 36711da177e4SLinus Torvalds 36721da177e4SLinus Torvalds READ_BUF(16); 36731da177e4SLinus Torvalds READ32(res->count); 36741da177e4SLinus Torvalds READ32(res->verf->committed); 36751da177e4SLinus Torvalds COPYMEM(res->verf->verifier, 8); 36761da177e4SLinus Torvalds return 0; 36771da177e4SLinus Torvalds } 36781da177e4SLinus Torvalds 36791da177e4SLinus Torvalds static int decode_delegreturn(struct xdr_stream *xdr) 36801da177e4SLinus Torvalds { 36811da177e4SLinus Torvalds return decode_op_hdr(xdr, OP_DELEGRETURN); 36821da177e4SLinus Torvalds } 36831da177e4SLinus Torvalds 36841da177e4SLinus Torvalds /* 36851da177e4SLinus Torvalds * Decode OPEN_DOWNGRADE response 36861da177e4SLinus Torvalds */ 36878687b63aSAl Viro static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res) 36881da177e4SLinus Torvalds { 36891da177e4SLinus Torvalds struct xdr_stream xdr; 36901da177e4SLinus Torvalds struct compound_hdr hdr; 36911da177e4SLinus Torvalds int status; 36921da177e4SLinus Torvalds 36931da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 36941da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 36951da177e4SLinus Torvalds if (status) 36961da177e4SLinus Torvalds goto out; 36971da177e4SLinus Torvalds status = decode_putfh(&xdr); 36981da177e4SLinus Torvalds if (status) 36991da177e4SLinus Torvalds goto out; 37001da177e4SLinus Torvalds status = decode_open_downgrade(&xdr, res); 3701516a6af6STrond Myklebust if (status != 0) 3702516a6af6STrond Myklebust goto out; 3703516a6af6STrond Myklebust decode_getfattr(&xdr, res->fattr, res->server); 37041da177e4SLinus Torvalds out: 37051da177e4SLinus Torvalds return status; 37061da177e4SLinus Torvalds } 37071da177e4SLinus Torvalds 37081da177e4SLinus Torvalds /* 37091da177e4SLinus Torvalds * END OF "GENERIC" DECODE ROUTINES. 37101da177e4SLinus Torvalds */ 37111da177e4SLinus Torvalds 37121da177e4SLinus Torvalds /* 37131da177e4SLinus Torvalds * Decode ACCESS response 37141da177e4SLinus Torvalds */ 37158687b63aSAl Viro static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_accessres *res) 37161da177e4SLinus Torvalds { 37171da177e4SLinus Torvalds struct xdr_stream xdr; 37181da177e4SLinus Torvalds struct compound_hdr hdr; 37191da177e4SLinus Torvalds int status; 37201da177e4SLinus Torvalds 37211da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 37221da177e4SLinus Torvalds if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) 37231da177e4SLinus Torvalds goto out; 37241da177e4SLinus Torvalds if ((status = decode_putfh(&xdr)) == 0) 37251da177e4SLinus Torvalds status = decode_access(&xdr, res); 37261da177e4SLinus Torvalds out: 37271da177e4SLinus Torvalds return status; 37281da177e4SLinus Torvalds } 37291da177e4SLinus Torvalds 37301da177e4SLinus Torvalds /* 37311da177e4SLinus Torvalds * Decode LOOKUP response 37321da177e4SLinus Torvalds */ 37338687b63aSAl Viro static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res) 37341da177e4SLinus Torvalds { 37351da177e4SLinus Torvalds struct xdr_stream xdr; 37361da177e4SLinus Torvalds struct compound_hdr hdr; 37371da177e4SLinus Torvalds int status; 37381da177e4SLinus Torvalds 37391da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 37401da177e4SLinus Torvalds if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) 37411da177e4SLinus Torvalds goto out; 37421da177e4SLinus Torvalds if ((status = decode_putfh(&xdr)) != 0) 37431da177e4SLinus Torvalds goto out; 37441da177e4SLinus Torvalds if ((status = decode_lookup(&xdr)) != 0) 37451da177e4SLinus Torvalds goto out; 37461da177e4SLinus Torvalds if ((status = decode_getfh(&xdr, res->fh)) != 0) 37471da177e4SLinus Torvalds goto out; 37481da177e4SLinus Torvalds status = decode_getfattr(&xdr, res->fattr, res->server); 37491da177e4SLinus Torvalds out: 37501da177e4SLinus Torvalds return status; 37511da177e4SLinus Torvalds } 37521da177e4SLinus Torvalds 37531da177e4SLinus Torvalds /* 37541da177e4SLinus Torvalds * Decode LOOKUP_ROOT response 37551da177e4SLinus Torvalds */ 37568687b63aSAl Viro static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res) 37571da177e4SLinus Torvalds { 37581da177e4SLinus Torvalds struct xdr_stream xdr; 37591da177e4SLinus Torvalds struct compound_hdr hdr; 37601da177e4SLinus Torvalds int status; 37611da177e4SLinus Torvalds 37621da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 37631da177e4SLinus Torvalds if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) 37641da177e4SLinus Torvalds goto out; 37651da177e4SLinus Torvalds if ((status = decode_putrootfh(&xdr)) != 0) 37661da177e4SLinus Torvalds goto out; 37671da177e4SLinus Torvalds if ((status = decode_getfh(&xdr, res->fh)) == 0) 37681da177e4SLinus Torvalds status = decode_getfattr(&xdr, res->fattr, res->server); 37691da177e4SLinus Torvalds out: 37701da177e4SLinus Torvalds return status; 37711da177e4SLinus Torvalds } 37721da177e4SLinus Torvalds 37731da177e4SLinus Torvalds /* 37741da177e4SLinus Torvalds * Decode REMOVE response 37751da177e4SLinus Torvalds */ 37768687b63aSAl Viro static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_remove_res *res) 37771da177e4SLinus Torvalds { 37781da177e4SLinus Torvalds struct xdr_stream xdr; 37791da177e4SLinus Torvalds struct compound_hdr hdr; 37801da177e4SLinus Torvalds int status; 37811da177e4SLinus Torvalds 37821da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 37831da177e4SLinus Torvalds if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) 37841da177e4SLinus Torvalds goto out; 378516e42959STrond Myklebust if ((status = decode_putfh(&xdr)) != 0) 378616e42959STrond Myklebust goto out; 378716e42959STrond Myklebust if ((status = decode_remove(&xdr, &res->cinfo)) != 0) 378816e42959STrond Myklebust goto out; 378916e42959STrond Myklebust decode_getfattr(&xdr, res->dir_attr, res->server); 37901da177e4SLinus Torvalds out: 37911da177e4SLinus Torvalds return status; 37921da177e4SLinus Torvalds } 37931da177e4SLinus Torvalds 37941da177e4SLinus Torvalds /* 37951da177e4SLinus Torvalds * Decode RENAME response 37961da177e4SLinus Torvalds */ 37978687b63aSAl Viro static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_rename_res *res) 37981da177e4SLinus Torvalds { 37991da177e4SLinus Torvalds struct xdr_stream xdr; 38001da177e4SLinus Torvalds struct compound_hdr hdr; 38011da177e4SLinus Torvalds int status; 38021da177e4SLinus Torvalds 38031da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 38041da177e4SLinus Torvalds if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) 38051da177e4SLinus Torvalds goto out; 38061da177e4SLinus Torvalds if ((status = decode_putfh(&xdr)) != 0) 38071da177e4SLinus Torvalds goto out; 38081da177e4SLinus Torvalds if ((status = decode_savefh(&xdr)) != 0) 38091da177e4SLinus Torvalds goto out; 38101da177e4SLinus Torvalds if ((status = decode_putfh(&xdr)) != 0) 38111da177e4SLinus Torvalds goto out; 38126caf2c82STrond Myklebust if ((status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo)) != 0) 38136caf2c82STrond Myklebust goto out; 38146caf2c82STrond Myklebust /* Current FH is target directory */ 38156caf2c82STrond Myklebust if (decode_getfattr(&xdr, res->new_fattr, res->server) != 0) 38166caf2c82STrond Myklebust goto out; 38176caf2c82STrond Myklebust if ((status = decode_restorefh(&xdr)) != 0) 38186caf2c82STrond Myklebust goto out; 38196caf2c82STrond Myklebust decode_getfattr(&xdr, res->old_fattr, res->server); 38201da177e4SLinus Torvalds out: 38211da177e4SLinus Torvalds return status; 38221da177e4SLinus Torvalds } 38231da177e4SLinus Torvalds 38241da177e4SLinus Torvalds /* 38251da177e4SLinus Torvalds * Decode LINK response 38261da177e4SLinus Torvalds */ 38278687b63aSAl Viro static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_link_res *res) 38281da177e4SLinus Torvalds { 38291da177e4SLinus Torvalds struct xdr_stream xdr; 38301da177e4SLinus Torvalds struct compound_hdr hdr; 38311da177e4SLinus Torvalds int status; 38321da177e4SLinus Torvalds 38331da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 38341da177e4SLinus Torvalds if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) 38351da177e4SLinus Torvalds goto out; 38361da177e4SLinus Torvalds if ((status = decode_putfh(&xdr)) != 0) 38371da177e4SLinus Torvalds goto out; 38381da177e4SLinus Torvalds if ((status = decode_savefh(&xdr)) != 0) 38391da177e4SLinus Torvalds goto out; 38401da177e4SLinus Torvalds if ((status = decode_putfh(&xdr)) != 0) 38411da177e4SLinus Torvalds goto out; 384291ba2eeeSTrond Myklebust if ((status = decode_link(&xdr, &res->cinfo)) != 0) 384391ba2eeeSTrond Myklebust goto out; 384491ba2eeeSTrond Myklebust /* 384591ba2eeeSTrond Myklebust * Note order: OP_LINK leaves the directory as the current 384691ba2eeeSTrond Myklebust * filehandle. 384791ba2eeeSTrond Myklebust */ 384891ba2eeeSTrond Myklebust if (decode_getfattr(&xdr, res->dir_attr, res->server) != 0) 384991ba2eeeSTrond Myklebust goto out; 385091ba2eeeSTrond Myklebust if ((status = decode_restorefh(&xdr)) != 0) 385191ba2eeeSTrond Myklebust goto out; 385291ba2eeeSTrond Myklebust decode_getfattr(&xdr, res->fattr, res->server); 38531da177e4SLinus Torvalds out: 38541da177e4SLinus Torvalds return status; 38551da177e4SLinus Torvalds } 38561da177e4SLinus Torvalds 38571da177e4SLinus Torvalds /* 38581da177e4SLinus Torvalds * Decode CREATE response 38591da177e4SLinus Torvalds */ 38608687b63aSAl Viro static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res) 38611da177e4SLinus Torvalds { 38621da177e4SLinus Torvalds struct xdr_stream xdr; 38631da177e4SLinus Torvalds struct compound_hdr hdr; 38641da177e4SLinus Torvalds int status; 38651da177e4SLinus Torvalds 38661da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 38671da177e4SLinus Torvalds if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) 38681da177e4SLinus Torvalds goto out; 38691da177e4SLinus Torvalds if ((status = decode_putfh(&xdr)) != 0) 38701da177e4SLinus Torvalds goto out; 387156ae19f3STrond Myklebust if ((status = decode_savefh(&xdr)) != 0) 387256ae19f3STrond Myklebust goto out; 38731da177e4SLinus Torvalds if ((status = decode_create(&xdr,&res->dir_cinfo)) != 0) 38741da177e4SLinus Torvalds goto out; 38751da177e4SLinus Torvalds if ((status = decode_getfh(&xdr, res->fh)) != 0) 38761da177e4SLinus Torvalds goto out; 387756ae19f3STrond Myklebust if (decode_getfattr(&xdr, res->fattr, res->server) != 0) 387856ae19f3STrond Myklebust goto out; 387956ae19f3STrond Myklebust if ((status = decode_restorefh(&xdr)) != 0) 388056ae19f3STrond Myklebust goto out; 388156ae19f3STrond Myklebust decode_getfattr(&xdr, res->dir_fattr, res->server); 38821da177e4SLinus Torvalds out: 38831da177e4SLinus Torvalds return status; 38841da177e4SLinus Torvalds } 38851da177e4SLinus Torvalds 38861da177e4SLinus Torvalds /* 38871da177e4SLinus Torvalds * Decode SYMLINK response 38881da177e4SLinus Torvalds */ 38898687b63aSAl Viro static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res) 38901da177e4SLinus Torvalds { 38911da177e4SLinus Torvalds return nfs4_xdr_dec_create(rqstp, p, res); 38921da177e4SLinus Torvalds } 38931da177e4SLinus Torvalds 38941da177e4SLinus Torvalds /* 38951da177e4SLinus Torvalds * Decode GETATTR response 38961da177e4SLinus Torvalds */ 38978687b63aSAl Viro static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_getattr_res *res) 38981da177e4SLinus Torvalds { 38991da177e4SLinus Torvalds struct xdr_stream xdr; 39001da177e4SLinus Torvalds struct compound_hdr hdr; 39011da177e4SLinus Torvalds int status; 39021da177e4SLinus Torvalds 39031da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 39041da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 39051da177e4SLinus Torvalds if (status) 39061da177e4SLinus Torvalds goto out; 39071da177e4SLinus Torvalds status = decode_putfh(&xdr); 39081da177e4SLinus Torvalds if (status) 39091da177e4SLinus Torvalds goto out; 39101da177e4SLinus Torvalds status = decode_getfattr(&xdr, res->fattr, res->server); 39111da177e4SLinus Torvalds out: 39121da177e4SLinus Torvalds return status; 39131da177e4SLinus Torvalds 39141da177e4SLinus Torvalds } 39151da177e4SLinus Torvalds 391623ec6965SJ. Bruce Fields /* 391723ec6965SJ. Bruce Fields * Encode an SETACL request 391823ec6965SJ. Bruce Fields */ 391923ec6965SJ. Bruce Fields static int 39208687b63aSAl Viro nfs4_xdr_enc_setacl(struct rpc_rqst *req, __be32 *p, struct nfs_setaclargs *args) 392123ec6965SJ. Bruce Fields { 392223ec6965SJ. Bruce Fields struct xdr_stream xdr; 392323ec6965SJ. Bruce Fields struct compound_hdr hdr = { 392423ec6965SJ. Bruce Fields .nops = 2, 392523ec6965SJ. Bruce Fields }; 392623ec6965SJ. Bruce Fields int status; 392723ec6965SJ. Bruce Fields 392823ec6965SJ. Bruce Fields xdr_init_encode(&xdr, &req->rq_snd_buf, p); 392923ec6965SJ. Bruce Fields encode_compound_hdr(&xdr, &hdr); 393023ec6965SJ. Bruce Fields status = encode_putfh(&xdr, args->fh); 393123ec6965SJ. Bruce Fields if (status) 393223ec6965SJ. Bruce Fields goto out; 393323ec6965SJ. Bruce Fields status = encode_setacl(&xdr, args); 393423ec6965SJ. Bruce Fields out: 393523ec6965SJ. Bruce Fields return status; 393623ec6965SJ. Bruce Fields } 393723ec6965SJ. Bruce Fields /* 393823ec6965SJ. Bruce Fields * Decode SETACL response 393923ec6965SJ. Bruce Fields */ 394023ec6965SJ. Bruce Fields static int 39418687b63aSAl Viro nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, __be32 *p, void *res) 394223ec6965SJ. Bruce Fields { 394323ec6965SJ. Bruce Fields struct xdr_stream xdr; 394423ec6965SJ. Bruce Fields struct compound_hdr hdr; 394523ec6965SJ. Bruce Fields int status; 394623ec6965SJ. Bruce Fields 394723ec6965SJ. Bruce Fields xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 394823ec6965SJ. Bruce Fields status = decode_compound_hdr(&xdr, &hdr); 394923ec6965SJ. Bruce Fields if (status) 395023ec6965SJ. Bruce Fields goto out; 395123ec6965SJ. Bruce Fields status = decode_putfh(&xdr); 395223ec6965SJ. Bruce Fields if (status) 395323ec6965SJ. Bruce Fields goto out; 395423ec6965SJ. Bruce Fields status = decode_setattr(&xdr, res); 395523ec6965SJ. Bruce Fields out: 395623ec6965SJ. Bruce Fields return status; 395723ec6965SJ. Bruce Fields } 39581da177e4SLinus Torvalds 39591da177e4SLinus Torvalds /* 3960029d105eSJ. Bruce Fields * Decode GETACL response 3961029d105eSJ. Bruce Fields */ 3962029d105eSJ. Bruce Fields static int 39638687b63aSAl Viro nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, __be32 *p, size_t *acl_len) 3964029d105eSJ. Bruce Fields { 3965029d105eSJ. Bruce Fields struct xdr_stream xdr; 3966029d105eSJ. Bruce Fields struct compound_hdr hdr; 3967029d105eSJ. Bruce Fields int status; 3968029d105eSJ. Bruce Fields 3969029d105eSJ. Bruce Fields xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 3970029d105eSJ. Bruce Fields status = decode_compound_hdr(&xdr, &hdr); 3971029d105eSJ. Bruce Fields if (status) 3972029d105eSJ. Bruce Fields goto out; 3973029d105eSJ. Bruce Fields status = decode_putfh(&xdr); 3974029d105eSJ. Bruce Fields if (status) 3975029d105eSJ. Bruce Fields goto out; 3976029d105eSJ. Bruce Fields status = decode_getacl(&xdr, rqstp, acl_len); 3977029d105eSJ. Bruce Fields 3978029d105eSJ. Bruce Fields out: 3979029d105eSJ. Bruce Fields return status; 3980029d105eSJ. Bruce Fields } 3981029d105eSJ. Bruce Fields 3982029d105eSJ. Bruce Fields /* 39831da177e4SLinus Torvalds * Decode CLOSE response 39841da177e4SLinus Torvalds */ 39858687b63aSAl Viro static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res) 39861da177e4SLinus Torvalds { 39871da177e4SLinus Torvalds struct xdr_stream xdr; 39881da177e4SLinus Torvalds struct compound_hdr hdr; 39891da177e4SLinus Torvalds int status; 39901da177e4SLinus Torvalds 39911da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 39921da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 39931da177e4SLinus Torvalds if (status) 39941da177e4SLinus Torvalds goto out; 39951da177e4SLinus Torvalds status = decode_putfh(&xdr); 39961da177e4SLinus Torvalds if (status) 39971da177e4SLinus Torvalds goto out; 39981da177e4SLinus Torvalds status = decode_close(&xdr, res); 3999516a6af6STrond Myklebust if (status != 0) 4000516a6af6STrond Myklebust goto out; 4001516a6af6STrond Myklebust /* 4002516a6af6STrond Myklebust * Note: Server may do delete on close for this file 4003516a6af6STrond Myklebust * in which case the getattr call will fail with 4004516a6af6STrond Myklebust * an ESTALE error. Shouldn't be a problem, 4005516a6af6STrond Myklebust * though, since fattr->valid will remain unset. 4006516a6af6STrond Myklebust */ 4007516a6af6STrond Myklebust decode_getfattr(&xdr, res->fattr, res->server); 40081da177e4SLinus Torvalds out: 40091da177e4SLinus Torvalds return status; 40101da177e4SLinus Torvalds } 40111da177e4SLinus Torvalds 40121da177e4SLinus Torvalds /* 40131da177e4SLinus Torvalds * Decode OPEN response 40141da177e4SLinus Torvalds */ 40158687b63aSAl Viro static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *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; 402856ae19f3STrond Myklebust status = decode_savefh(&xdr); 402956ae19f3STrond Myklebust if (status) 403056ae19f3STrond Myklebust goto out; 40311da177e4SLinus Torvalds status = decode_open(&xdr, res); 40321da177e4SLinus Torvalds if (status) 40331da177e4SLinus Torvalds goto out; 40349936781dSTrond Myklebust if (decode_getfh(&xdr, &res->fh) != 0) 40351da177e4SLinus Torvalds goto out; 403656ae19f3STrond Myklebust if (decode_getfattr(&xdr, res->f_attr, res->server) != 0) 403756ae19f3STrond Myklebust goto out; 4038365c8f58STrond Myklebust if (decode_restorefh(&xdr) != 0) 403956ae19f3STrond Myklebust goto out; 404056ae19f3STrond Myklebust decode_getfattr(&xdr, res->dir_attr, res->server); 40411da177e4SLinus Torvalds out: 40421da177e4SLinus Torvalds return status; 40431da177e4SLinus Torvalds } 40441da177e4SLinus Torvalds 40451da177e4SLinus Torvalds /* 40461da177e4SLinus Torvalds * Decode OPEN_CONFIRM response 40471da177e4SLinus Torvalds */ 40488687b63aSAl Viro static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, __be32 *p, struct nfs_open_confirmres *res) 40491da177e4SLinus Torvalds { 40501da177e4SLinus Torvalds struct xdr_stream xdr; 40511da177e4SLinus Torvalds struct compound_hdr hdr; 40521da177e4SLinus Torvalds int status; 40531da177e4SLinus Torvalds 40541da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 40551da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 40561da177e4SLinus Torvalds if (status) 40571da177e4SLinus Torvalds goto out; 40581da177e4SLinus Torvalds status = decode_putfh(&xdr); 40591da177e4SLinus Torvalds if (status) 40601da177e4SLinus Torvalds goto out; 40611da177e4SLinus Torvalds status = decode_open_confirm(&xdr, res); 40621da177e4SLinus Torvalds out: 40631da177e4SLinus Torvalds return status; 40641da177e4SLinus Torvalds } 40651da177e4SLinus Torvalds 40661da177e4SLinus Torvalds /* 40671da177e4SLinus Torvalds * Decode OPEN response 40681da177e4SLinus Torvalds */ 40698687b63aSAl Viro static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res) 40701da177e4SLinus Torvalds { 40711da177e4SLinus Torvalds struct xdr_stream xdr; 40721da177e4SLinus Torvalds struct compound_hdr hdr; 40731da177e4SLinus Torvalds int status; 40741da177e4SLinus Torvalds 40751da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 40761da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 40771da177e4SLinus Torvalds if (status) 40781da177e4SLinus Torvalds goto out; 40791da177e4SLinus Torvalds status = decode_putfh(&xdr); 40801da177e4SLinus Torvalds if (status) 40811da177e4SLinus Torvalds goto out; 40821da177e4SLinus Torvalds status = decode_open(&xdr, res); 4083864472e9STrond Myklebust if (status) 4084864472e9STrond Myklebust goto out; 4085864472e9STrond Myklebust decode_getfattr(&xdr, res->f_attr, res->server); 40861da177e4SLinus Torvalds out: 40871da177e4SLinus Torvalds return status; 40881da177e4SLinus Torvalds } 40891da177e4SLinus Torvalds 40901da177e4SLinus Torvalds /* 40911da177e4SLinus Torvalds * Decode SETATTR response 40921da177e4SLinus Torvalds */ 40938687b63aSAl Viro static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_setattrres *res) 40941da177e4SLinus Torvalds { 40951da177e4SLinus Torvalds struct xdr_stream xdr; 40961da177e4SLinus Torvalds struct compound_hdr hdr; 40971da177e4SLinus Torvalds int status; 40981da177e4SLinus Torvalds 40991da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 41001da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 41011da177e4SLinus Torvalds if (status) 41021da177e4SLinus Torvalds goto out; 41031da177e4SLinus Torvalds status = decode_putfh(&xdr); 41041da177e4SLinus Torvalds if (status) 41051da177e4SLinus Torvalds goto out; 41061da177e4SLinus Torvalds status = decode_setattr(&xdr, res); 41071da177e4SLinus Torvalds if (status) 41081da177e4SLinus Torvalds goto out; 41091da177e4SLinus Torvalds status = decode_getfattr(&xdr, res->fattr, res->server); 41101da177e4SLinus Torvalds if (status == NFS4ERR_DELAY) 41111da177e4SLinus Torvalds status = 0; 41121da177e4SLinus Torvalds out: 41131da177e4SLinus Torvalds return status; 41141da177e4SLinus Torvalds } 41151da177e4SLinus Torvalds 41161da177e4SLinus Torvalds /* 41171da177e4SLinus Torvalds * Decode LOCK response 41181da177e4SLinus Torvalds */ 41198687b63aSAl Viro static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lock_res *res) 41201da177e4SLinus Torvalds { 41211da177e4SLinus Torvalds struct xdr_stream xdr; 41221da177e4SLinus Torvalds struct compound_hdr hdr; 41231da177e4SLinus Torvalds int status; 41241da177e4SLinus Torvalds 41251da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 41261da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 41271da177e4SLinus Torvalds if (status) 41281da177e4SLinus Torvalds goto out; 41291da177e4SLinus Torvalds status = decode_putfh(&xdr); 41301da177e4SLinus Torvalds if (status) 41311da177e4SLinus Torvalds goto out; 41321da177e4SLinus Torvalds status = decode_lock(&xdr, res); 41331da177e4SLinus Torvalds out: 41341da177e4SLinus Torvalds return status; 41351da177e4SLinus Torvalds } 41361da177e4SLinus Torvalds 41371da177e4SLinus Torvalds /* 41381da177e4SLinus Torvalds * Decode LOCKT response 41391da177e4SLinus Torvalds */ 41408687b63aSAl Viro static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lockt_res *res) 41411da177e4SLinus Torvalds { 41421da177e4SLinus Torvalds struct xdr_stream xdr; 41431da177e4SLinus Torvalds struct compound_hdr hdr; 41441da177e4SLinus Torvalds int status; 41451da177e4SLinus Torvalds 41461da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 41471da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 41481da177e4SLinus Torvalds if (status) 41491da177e4SLinus Torvalds goto out; 41501da177e4SLinus Torvalds status = decode_putfh(&xdr); 41511da177e4SLinus Torvalds if (status) 41521da177e4SLinus Torvalds goto out; 41531da177e4SLinus Torvalds status = decode_lockt(&xdr, res); 41541da177e4SLinus Torvalds out: 41551da177e4SLinus Torvalds return status; 41561da177e4SLinus Torvalds } 41571da177e4SLinus Torvalds 41581da177e4SLinus Torvalds /* 41591da177e4SLinus Torvalds * Decode LOCKU response 41601da177e4SLinus Torvalds */ 41618687b63aSAl Viro static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, __be32 *p, struct nfs_locku_res *res) 41621da177e4SLinus Torvalds { 41631da177e4SLinus Torvalds struct xdr_stream xdr; 41641da177e4SLinus Torvalds struct compound_hdr hdr; 41651da177e4SLinus Torvalds int status; 41661da177e4SLinus Torvalds 41671da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 41681da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 41691da177e4SLinus Torvalds if (status) 41701da177e4SLinus Torvalds goto out; 41711da177e4SLinus Torvalds status = decode_putfh(&xdr); 41721da177e4SLinus Torvalds if (status) 41731da177e4SLinus Torvalds goto out; 41741da177e4SLinus Torvalds status = decode_locku(&xdr, res); 41751da177e4SLinus Torvalds out: 41761da177e4SLinus Torvalds return status; 41771da177e4SLinus Torvalds } 41781da177e4SLinus Torvalds 41791da177e4SLinus Torvalds /* 41801da177e4SLinus Torvalds * Decode READLINK response 41811da177e4SLinus Torvalds */ 41828687b63aSAl Viro static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, __be32 *p, void *res) 41831da177e4SLinus Torvalds { 41841da177e4SLinus Torvalds struct xdr_stream xdr; 41851da177e4SLinus Torvalds struct compound_hdr hdr; 41861da177e4SLinus Torvalds int status; 41871da177e4SLinus Torvalds 41881da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 41891da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 41901da177e4SLinus Torvalds if (status) 41911da177e4SLinus Torvalds goto out; 41921da177e4SLinus Torvalds status = decode_putfh(&xdr); 41931da177e4SLinus Torvalds if (status) 41941da177e4SLinus Torvalds goto out; 41951da177e4SLinus Torvalds status = decode_readlink(&xdr, rqstp); 41961da177e4SLinus Torvalds out: 41971da177e4SLinus Torvalds return status; 41981da177e4SLinus Torvalds } 41991da177e4SLinus Torvalds 42001da177e4SLinus Torvalds /* 42011da177e4SLinus Torvalds * Decode READDIR response 42021da177e4SLinus Torvalds */ 42038687b63aSAl Viro static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_readdir_res *res) 42041da177e4SLinus Torvalds { 42051da177e4SLinus Torvalds struct xdr_stream xdr; 42061da177e4SLinus Torvalds struct compound_hdr hdr; 42071da177e4SLinus Torvalds int status; 42081da177e4SLinus Torvalds 42091da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 42101da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 42111da177e4SLinus Torvalds if (status) 42121da177e4SLinus Torvalds goto out; 42131da177e4SLinus Torvalds status = decode_putfh(&xdr); 42141da177e4SLinus Torvalds if (status) 42151da177e4SLinus Torvalds goto out; 42161da177e4SLinus Torvalds status = decode_readdir(&xdr, rqstp, res); 42171da177e4SLinus Torvalds out: 42181da177e4SLinus Torvalds return status; 42191da177e4SLinus Torvalds } 42201da177e4SLinus Torvalds 42211da177e4SLinus Torvalds /* 42221da177e4SLinus Torvalds * Decode Read response 42231da177e4SLinus Torvalds */ 42248687b63aSAl Viro static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, __be32 *p, struct nfs_readres *res) 42251da177e4SLinus Torvalds { 42261da177e4SLinus Torvalds struct xdr_stream xdr; 42271da177e4SLinus Torvalds struct compound_hdr hdr; 42281da177e4SLinus Torvalds int status; 42291da177e4SLinus Torvalds 42301da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 42311da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 42321da177e4SLinus Torvalds if (status) 42331da177e4SLinus Torvalds goto out; 42341da177e4SLinus Torvalds status = decode_putfh(&xdr); 42351da177e4SLinus Torvalds if (status) 42361da177e4SLinus Torvalds goto out; 42371da177e4SLinus Torvalds status = decode_read(&xdr, rqstp, res); 42381da177e4SLinus Torvalds if (!status) 42391da177e4SLinus Torvalds status = res->count; 42401da177e4SLinus Torvalds out: 42411da177e4SLinus Torvalds return status; 42421da177e4SLinus Torvalds } 42431da177e4SLinus Torvalds 42441da177e4SLinus Torvalds /* 42451da177e4SLinus Torvalds * Decode WRITE response 42461da177e4SLinus Torvalds */ 42478687b63aSAl Viro static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res) 42481da177e4SLinus Torvalds { 42491da177e4SLinus Torvalds struct xdr_stream xdr; 42501da177e4SLinus Torvalds struct compound_hdr hdr; 42511da177e4SLinus Torvalds int status; 42521da177e4SLinus Torvalds 42531da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 42541da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 42551da177e4SLinus Torvalds if (status) 42561da177e4SLinus Torvalds goto out; 42571da177e4SLinus Torvalds status = decode_putfh(&xdr); 42581da177e4SLinus Torvalds if (status) 42591da177e4SLinus Torvalds goto out; 42601da177e4SLinus Torvalds status = decode_write(&xdr, res); 42614f9838c7STrond Myklebust if (status) 42624f9838c7STrond Myklebust goto out; 42634f9838c7STrond Myklebust decode_getfattr(&xdr, res->fattr, res->server); 42641da177e4SLinus Torvalds if (!status) 42651da177e4SLinus Torvalds status = res->count; 42661da177e4SLinus Torvalds out: 42671da177e4SLinus Torvalds return status; 42681da177e4SLinus Torvalds } 42691da177e4SLinus Torvalds 42701da177e4SLinus Torvalds /* 42711da177e4SLinus Torvalds * Decode COMMIT response 42721da177e4SLinus Torvalds */ 42738687b63aSAl Viro static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res) 42741da177e4SLinus Torvalds { 42751da177e4SLinus Torvalds struct xdr_stream xdr; 42761da177e4SLinus Torvalds struct compound_hdr hdr; 42771da177e4SLinus Torvalds int status; 42781da177e4SLinus Torvalds 42791da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 42801da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 42811da177e4SLinus Torvalds if (status) 42821da177e4SLinus Torvalds goto out; 42831da177e4SLinus Torvalds status = decode_putfh(&xdr); 42841da177e4SLinus Torvalds if (status) 42851da177e4SLinus Torvalds goto out; 42861da177e4SLinus Torvalds status = decode_commit(&xdr, res); 42874f9838c7STrond Myklebust if (status) 42884f9838c7STrond Myklebust goto out; 42894f9838c7STrond Myklebust decode_getfattr(&xdr, res->fattr, res->server); 42901da177e4SLinus Torvalds out: 42911da177e4SLinus Torvalds return status; 42921da177e4SLinus Torvalds } 42931da177e4SLinus Torvalds 42941da177e4SLinus Torvalds /* 42951da177e4SLinus Torvalds * FSINFO request 42961da177e4SLinus Torvalds */ 42978687b63aSAl Viro static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs_fsinfo *fsinfo) 42981da177e4SLinus Torvalds { 42991da177e4SLinus Torvalds struct xdr_stream xdr; 43001da177e4SLinus Torvalds struct compound_hdr hdr; 43011da177e4SLinus Torvalds int status; 43021da177e4SLinus Torvalds 43031da177e4SLinus Torvalds xdr_init_decode(&xdr, &req->rq_rcv_buf, p); 43041da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 43051da177e4SLinus Torvalds if (!status) 43061da177e4SLinus Torvalds status = decode_putfh(&xdr); 43071da177e4SLinus Torvalds if (!status) 43081da177e4SLinus Torvalds status = decode_fsinfo(&xdr, fsinfo); 43091da177e4SLinus Torvalds if (!status) 43100a8ea437SDavid Howells status = -nfs4_stat_to_errno(hdr.status); 43111da177e4SLinus Torvalds return status; 43121da177e4SLinus Torvalds } 43131da177e4SLinus Torvalds 43141da177e4SLinus Torvalds /* 43151da177e4SLinus Torvalds * PATHCONF request 43161da177e4SLinus Torvalds */ 43178687b63aSAl Viro static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, __be32 *p, struct nfs_pathconf *pathconf) 43181da177e4SLinus Torvalds { 43191da177e4SLinus Torvalds struct xdr_stream xdr; 43201da177e4SLinus Torvalds struct compound_hdr hdr; 43211da177e4SLinus Torvalds int status; 43221da177e4SLinus Torvalds 43231da177e4SLinus Torvalds xdr_init_decode(&xdr, &req->rq_rcv_buf, p); 43241da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 43251da177e4SLinus Torvalds if (!status) 43261da177e4SLinus Torvalds status = decode_putfh(&xdr); 43271da177e4SLinus Torvalds if (!status) 43281da177e4SLinus Torvalds status = decode_pathconf(&xdr, pathconf); 43291da177e4SLinus Torvalds return status; 43301da177e4SLinus Torvalds } 43311da177e4SLinus Torvalds 43321da177e4SLinus Torvalds /* 43331da177e4SLinus Torvalds * STATFS request 43341da177e4SLinus Torvalds */ 43358687b63aSAl Viro static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, __be32 *p, struct nfs_fsstat *fsstat) 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, &req->rq_rcv_buf, p); 43421da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 43431da177e4SLinus Torvalds if (!status) 43441da177e4SLinus Torvalds status = decode_putfh(&xdr); 43451da177e4SLinus Torvalds if (!status) 43461da177e4SLinus Torvalds status = decode_statfs(&xdr, fsstat); 43471da177e4SLinus Torvalds return status; 43481da177e4SLinus Torvalds } 43491da177e4SLinus Torvalds 43501da177e4SLinus Torvalds /* 43511da177e4SLinus Torvalds * GETATTR_BITMAP request 43521da177e4SLinus Torvalds */ 43538687b63aSAl Viro static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, __be32 *p, struct nfs4_server_caps_res *res) 43541da177e4SLinus Torvalds { 43551da177e4SLinus Torvalds struct xdr_stream xdr; 43561da177e4SLinus Torvalds struct compound_hdr hdr; 43571da177e4SLinus Torvalds int status; 43581da177e4SLinus Torvalds 43591da177e4SLinus Torvalds xdr_init_decode(&xdr, &req->rq_rcv_buf, p); 43601da177e4SLinus Torvalds if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) 43611da177e4SLinus Torvalds goto out; 43621da177e4SLinus Torvalds if ((status = decode_putfh(&xdr)) != 0) 43631da177e4SLinus Torvalds goto out; 43641da177e4SLinus Torvalds status = decode_server_caps(&xdr, res); 43651da177e4SLinus Torvalds out: 43661da177e4SLinus Torvalds return status; 43671da177e4SLinus Torvalds } 43681da177e4SLinus Torvalds 43691da177e4SLinus Torvalds /* 43701da177e4SLinus Torvalds * Decode RENEW response 43711da177e4SLinus Torvalds */ 43728687b63aSAl Viro static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, __be32 *p, void *dummy) 43731da177e4SLinus Torvalds { 43741da177e4SLinus Torvalds struct xdr_stream xdr; 43751da177e4SLinus Torvalds struct compound_hdr hdr; 43761da177e4SLinus Torvalds int status; 43771da177e4SLinus Torvalds 43781da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 43791da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 43801da177e4SLinus Torvalds if (!status) 43811da177e4SLinus Torvalds status = decode_renew(&xdr); 43821da177e4SLinus Torvalds return status; 43831da177e4SLinus Torvalds } 43841da177e4SLinus Torvalds 43851da177e4SLinus Torvalds /* 43861da177e4SLinus Torvalds * a SETCLIENTID request 43871da177e4SLinus Torvalds */ 43888687b63aSAl Viro static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, __be32 *p, 4389adfa6f98SDavid Howells struct nfs_client *clp) 43901da177e4SLinus Torvalds { 43911da177e4SLinus Torvalds struct xdr_stream xdr; 43921da177e4SLinus Torvalds struct compound_hdr hdr; 43931da177e4SLinus Torvalds int status; 43941da177e4SLinus Torvalds 43951da177e4SLinus Torvalds xdr_init_decode(&xdr, &req->rq_rcv_buf, p); 43961da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 43971da177e4SLinus Torvalds if (!status) 43981da177e4SLinus Torvalds status = decode_setclientid(&xdr, clp); 43991da177e4SLinus Torvalds if (!status) 44000a8ea437SDavid Howells status = -nfs4_stat_to_errno(hdr.status); 44011da177e4SLinus Torvalds return status; 44021da177e4SLinus Torvalds } 44031da177e4SLinus Torvalds 44041da177e4SLinus Torvalds /* 44051da177e4SLinus Torvalds * a SETCLIENTID_CONFIRM request 44061da177e4SLinus Torvalds */ 44078687b63aSAl Viro static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_fsinfo *fsinfo) 44081da177e4SLinus Torvalds { 44091da177e4SLinus Torvalds struct xdr_stream xdr; 44101da177e4SLinus Torvalds struct compound_hdr hdr; 44111da177e4SLinus Torvalds int status; 44121da177e4SLinus Torvalds 44131da177e4SLinus Torvalds xdr_init_decode(&xdr, &req->rq_rcv_buf, p); 44141da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 44151da177e4SLinus Torvalds if (!status) 44161da177e4SLinus Torvalds status = decode_setclientid_confirm(&xdr); 44171da177e4SLinus Torvalds if (!status) 44181da177e4SLinus Torvalds status = decode_putrootfh(&xdr); 44191da177e4SLinus Torvalds if (!status) 44201da177e4SLinus Torvalds status = decode_fsinfo(&xdr, fsinfo); 44211da177e4SLinus Torvalds if (!status) 44220a8ea437SDavid Howells status = -nfs4_stat_to_errno(hdr.status); 44231da177e4SLinus Torvalds return status; 44241da177e4SLinus Torvalds } 44251da177e4SLinus Torvalds 44261da177e4SLinus Torvalds /* 44271da177e4SLinus Torvalds * DELEGRETURN request 44281da177e4SLinus Torvalds */ 44298687b63aSAl Viro static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_delegreturnres *res) 44301da177e4SLinus Torvalds { 44311da177e4SLinus Torvalds struct xdr_stream xdr; 44321da177e4SLinus Torvalds struct compound_hdr hdr; 44331da177e4SLinus Torvalds int status; 44341da177e4SLinus Torvalds 44351da177e4SLinus Torvalds xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); 44361da177e4SLinus Torvalds status = decode_compound_hdr(&xdr, &hdr); 4437fa178f29STrond Myklebust if (status != 0) 4438fa178f29STrond Myklebust goto out; 44391da177e4SLinus Torvalds status = decode_putfh(&xdr); 4440fa178f29STrond Myklebust if (status != 0) 4441fa178f29STrond Myklebust goto out; 44421da177e4SLinus Torvalds status = decode_delegreturn(&xdr); 4443fa178f29STrond Myklebust decode_getfattr(&xdr, res->fattr, res->server); 4444fa178f29STrond Myklebust out: 44451da177e4SLinus Torvalds return status; 44461da177e4SLinus Torvalds } 44471da177e4SLinus Torvalds 4448683b57b4STrond Myklebust /* 4449683b57b4STrond Myklebust * FS_LOCATIONS request 4450683b57b4STrond Myklebust */ 44518687b63aSAl Viro static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs4_fs_locations *res) 4452683b57b4STrond Myklebust { 4453683b57b4STrond Myklebust struct xdr_stream xdr; 4454683b57b4STrond Myklebust struct compound_hdr hdr; 4455683b57b4STrond Myklebust int status; 4456683b57b4STrond Myklebust 4457683b57b4STrond Myklebust xdr_init_decode(&xdr, &req->rq_rcv_buf, p); 4458683b57b4STrond Myklebust status = decode_compound_hdr(&xdr, &hdr); 4459683b57b4STrond Myklebust if (status != 0) 4460683b57b4STrond Myklebust goto out; 4461683b57b4STrond Myklebust if ((status = decode_putfh(&xdr)) != 0) 4462683b57b4STrond Myklebust goto out; 4463683b57b4STrond Myklebust if ((status = decode_lookup(&xdr)) != 0) 4464683b57b4STrond Myklebust goto out; 4465683b57b4STrond Myklebust xdr_enter_page(&xdr, PAGE_SIZE); 4466683b57b4STrond Myklebust status = decode_getfattr(&xdr, &res->fattr, res->server); 4467683b57b4STrond Myklebust out: 4468683b57b4STrond Myklebust return status; 4469683b57b4STrond Myklebust } 4470683b57b4STrond Myklebust 44710dbb4c67SAl Viro __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus) 44721da177e4SLinus Torvalds { 44731da177e4SLinus Torvalds uint32_t bitmap[2] = {0}; 44741da177e4SLinus Torvalds uint32_t len; 44751da177e4SLinus Torvalds 44761da177e4SLinus Torvalds if (!*p++) { 44771da177e4SLinus Torvalds if (!*p) 44781da177e4SLinus Torvalds return ERR_PTR(-EAGAIN); 44791da177e4SLinus Torvalds entry->eof = 1; 44801da177e4SLinus Torvalds return ERR_PTR(-EBADCOOKIE); 44811da177e4SLinus Torvalds } 44821da177e4SLinus Torvalds 44831da177e4SLinus Torvalds entry->prev_cookie = entry->cookie; 44841da177e4SLinus Torvalds p = xdr_decode_hyper(p, &entry->cookie); 44851da177e4SLinus Torvalds entry->len = ntohl(*p++); 44861da177e4SLinus Torvalds entry->name = (const char *) p; 44871da177e4SLinus Torvalds p += XDR_QUADLEN(entry->len); 44881da177e4SLinus Torvalds 44891da177e4SLinus Torvalds /* 44901da177e4SLinus Torvalds * In case the server doesn't return an inode number, 44911da177e4SLinus Torvalds * we fake one here. (We don't use inode number 0, 44921da177e4SLinus Torvalds * since glibc seems to choke on it...) 44931da177e4SLinus Torvalds */ 44941da177e4SLinus Torvalds entry->ino = 1; 44951da177e4SLinus Torvalds 44961da177e4SLinus Torvalds len = ntohl(*p++); /* bitmap length */ 44971da177e4SLinus Torvalds if (len-- > 0) { 44981da177e4SLinus Torvalds bitmap[0] = ntohl(*p++); 44991da177e4SLinus Torvalds if (len-- > 0) { 45001da177e4SLinus Torvalds bitmap[1] = ntohl(*p++); 45011da177e4SLinus Torvalds p += len; 45021da177e4SLinus Torvalds } 45031da177e4SLinus Torvalds } 45041da177e4SLinus Torvalds len = XDR_QUADLEN(ntohl(*p++)); /* attribute buffer length */ 45051da177e4SLinus Torvalds if (len > 0) { 450697d312d0SManoj Naik if (bitmap[0] & FATTR4_WORD0_RDATTR_ERROR) { 450797d312d0SManoj Naik bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; 450897d312d0SManoj Naik /* Ignore the return value of rdattr_error for now */ 450997d312d0SManoj Naik p++; 451097d312d0SManoj Naik len--; 451197d312d0SManoj Naik } 45121da177e4SLinus Torvalds if (bitmap[0] == 0 && bitmap[1] == FATTR4_WORD1_MOUNTED_ON_FILEID) 45131da177e4SLinus Torvalds xdr_decode_hyper(p, &entry->ino); 45141da177e4SLinus Torvalds else if (bitmap[0] == FATTR4_WORD0_FILEID) 45151da177e4SLinus Torvalds xdr_decode_hyper(p, &entry->ino); 45161da177e4SLinus Torvalds p += len; 45171da177e4SLinus Torvalds } 45181da177e4SLinus Torvalds 45191da177e4SLinus Torvalds entry->eof = !p[0] && p[1]; 45201da177e4SLinus Torvalds return p; 45211da177e4SLinus Torvalds } 45221da177e4SLinus Torvalds 45231da177e4SLinus Torvalds /* 45241da177e4SLinus Torvalds * We need to translate between nfs status return values and 45251da177e4SLinus Torvalds * the local errno values which may not be the same. 45261da177e4SLinus Torvalds */ 45271da177e4SLinus Torvalds static struct { 45281da177e4SLinus Torvalds int stat; 45291da177e4SLinus Torvalds int errno; 45301da177e4SLinus Torvalds } nfs_errtbl[] = { 45311da177e4SLinus Torvalds { NFS4_OK, 0 }, 45321da177e4SLinus Torvalds { NFS4ERR_PERM, EPERM }, 45331da177e4SLinus Torvalds { NFS4ERR_NOENT, ENOENT }, 45341da177e4SLinus Torvalds { NFS4ERR_IO, errno_NFSERR_IO }, 45351da177e4SLinus Torvalds { NFS4ERR_NXIO, ENXIO }, 45361da177e4SLinus Torvalds { NFS4ERR_ACCESS, EACCES }, 45371da177e4SLinus Torvalds { NFS4ERR_EXIST, EEXIST }, 45381da177e4SLinus Torvalds { NFS4ERR_XDEV, EXDEV }, 45391da177e4SLinus Torvalds { NFS4ERR_NOTDIR, ENOTDIR }, 45401da177e4SLinus Torvalds { NFS4ERR_ISDIR, EISDIR }, 45411da177e4SLinus Torvalds { NFS4ERR_INVAL, EINVAL }, 45421da177e4SLinus Torvalds { NFS4ERR_FBIG, EFBIG }, 45431da177e4SLinus Torvalds { NFS4ERR_NOSPC, ENOSPC }, 45441da177e4SLinus Torvalds { NFS4ERR_ROFS, EROFS }, 45451da177e4SLinus Torvalds { NFS4ERR_MLINK, EMLINK }, 45461da177e4SLinus Torvalds { NFS4ERR_NAMETOOLONG, ENAMETOOLONG }, 45471da177e4SLinus Torvalds { NFS4ERR_NOTEMPTY, ENOTEMPTY }, 45481da177e4SLinus Torvalds { NFS4ERR_DQUOT, EDQUOT }, 45491da177e4SLinus Torvalds { NFS4ERR_STALE, ESTALE }, 45501da177e4SLinus Torvalds { NFS4ERR_BADHANDLE, EBADHANDLE }, 45516ebf3656SManoj Naik { NFS4ERR_BADOWNER, EINVAL }, 45526ebf3656SManoj Naik { NFS4ERR_BADNAME, EINVAL }, 45531da177e4SLinus Torvalds { NFS4ERR_BAD_COOKIE, EBADCOOKIE }, 45541da177e4SLinus Torvalds { NFS4ERR_NOTSUPP, ENOTSUPP }, 45551da177e4SLinus Torvalds { NFS4ERR_TOOSMALL, ETOOSMALL }, 45561da177e4SLinus Torvalds { NFS4ERR_SERVERFAULT, ESERVERFAULT }, 45571da177e4SLinus Torvalds { NFS4ERR_BADTYPE, EBADTYPE }, 45581da177e4SLinus Torvalds { NFS4ERR_LOCKED, EAGAIN }, 45591da177e4SLinus Torvalds { NFS4ERR_RESOURCE, EREMOTEIO }, 45601da177e4SLinus Torvalds { NFS4ERR_SYMLINK, ELOOP }, 45611da177e4SLinus Torvalds { NFS4ERR_OP_ILLEGAL, EOPNOTSUPP }, 45621da177e4SLinus Torvalds { NFS4ERR_DEADLOCK, EDEADLK }, 45631da177e4SLinus Torvalds { NFS4ERR_WRONGSEC, EPERM }, /* FIXME: this needs 45641da177e4SLinus Torvalds * to be handled by a 45651da177e4SLinus Torvalds * middle-layer. 45661da177e4SLinus Torvalds */ 45671da177e4SLinus Torvalds { -1, EIO } 45681da177e4SLinus Torvalds }; 45691da177e4SLinus Torvalds 45701da177e4SLinus Torvalds /* 45711da177e4SLinus Torvalds * Convert an NFS error code to a local one. 45721da177e4SLinus Torvalds * This one is used jointly by NFSv2 and NFSv3. 45731da177e4SLinus Torvalds */ 45741da177e4SLinus Torvalds static int 45750a8ea437SDavid Howells nfs4_stat_to_errno(int stat) 45761da177e4SLinus Torvalds { 45771da177e4SLinus Torvalds int i; 45781da177e4SLinus Torvalds for (i = 0; nfs_errtbl[i].stat != -1; i++) { 45791da177e4SLinus Torvalds if (nfs_errtbl[i].stat == stat) 45801da177e4SLinus Torvalds return nfs_errtbl[i].errno; 45811da177e4SLinus Torvalds } 45821da177e4SLinus Torvalds if (stat <= 10000 || stat > 10100) { 45831da177e4SLinus Torvalds /* The server is looney tunes. */ 45841da177e4SLinus Torvalds return ESERVERFAULT; 45851da177e4SLinus Torvalds } 45861da177e4SLinus Torvalds /* If we cannot translate the error, the recovery routines should 45871da177e4SLinus Torvalds * handle it. 45881da177e4SLinus Torvalds * Note: remaining NFSv4 error codes have values > 10000, so should 45891da177e4SLinus Torvalds * not conflict with native Linux error codes. 45901da177e4SLinus Torvalds */ 45911da177e4SLinus Torvalds return stat; 45921da177e4SLinus Torvalds } 45931da177e4SLinus Torvalds 45941da177e4SLinus Torvalds #define PROC(proc, argtype, restype) \ 45951da177e4SLinus Torvalds [NFSPROC4_CLNT_##proc] = { \ 45961da177e4SLinus Torvalds .p_proc = NFSPROC4_COMPOUND, \ 45971da177e4SLinus Torvalds .p_encode = (kxdrproc_t) nfs4_xdr_##argtype, \ 45981da177e4SLinus Torvalds .p_decode = (kxdrproc_t) nfs4_xdr_##restype, \ 45992bea90d4SChuck Lever .p_arglen = NFS4_##argtype##_sz, \ 46002bea90d4SChuck Lever .p_replen = NFS4_##restype##_sz, \ 4601cc0175c1SChuck Lever .p_statidx = NFSPROC4_CLNT_##proc, \ 4602cc0175c1SChuck Lever .p_name = #proc, \ 46031da177e4SLinus Torvalds } 46041da177e4SLinus Torvalds 46051da177e4SLinus Torvalds struct rpc_procinfo nfs4_procedures[] = { 46061da177e4SLinus Torvalds PROC(READ, enc_read, dec_read), 46071da177e4SLinus Torvalds PROC(WRITE, enc_write, dec_write), 46081da177e4SLinus Torvalds PROC(COMMIT, enc_commit, dec_commit), 46091da177e4SLinus Torvalds PROC(OPEN, enc_open, dec_open), 46101da177e4SLinus Torvalds PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), 46111da177e4SLinus Torvalds PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), 46121da177e4SLinus Torvalds PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), 46131da177e4SLinus Torvalds PROC(CLOSE, enc_close, dec_close), 46141da177e4SLinus Torvalds PROC(SETATTR, enc_setattr, dec_setattr), 46151da177e4SLinus Torvalds PROC(FSINFO, enc_fsinfo, dec_fsinfo), 46161da177e4SLinus Torvalds PROC(RENEW, enc_renew, dec_renew), 46171da177e4SLinus Torvalds PROC(SETCLIENTID, enc_setclientid, dec_setclientid), 46181da177e4SLinus Torvalds PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), 46191da177e4SLinus Torvalds PROC(LOCK, enc_lock, dec_lock), 46201da177e4SLinus Torvalds PROC(LOCKT, enc_lockt, dec_lockt), 46211da177e4SLinus Torvalds PROC(LOCKU, enc_locku, dec_locku), 46221da177e4SLinus Torvalds PROC(ACCESS, enc_access, dec_access), 46231da177e4SLinus Torvalds PROC(GETATTR, enc_getattr, dec_getattr), 46241da177e4SLinus Torvalds PROC(LOOKUP, enc_lookup, dec_lookup), 46251da177e4SLinus Torvalds PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), 46261da177e4SLinus Torvalds PROC(REMOVE, enc_remove, dec_remove), 46271da177e4SLinus Torvalds PROC(RENAME, enc_rename, dec_rename), 46281da177e4SLinus Torvalds PROC(LINK, enc_link, dec_link), 46291da177e4SLinus Torvalds PROC(SYMLINK, enc_symlink, dec_symlink), 46301da177e4SLinus Torvalds PROC(CREATE, enc_create, dec_create), 46311da177e4SLinus Torvalds PROC(PATHCONF, enc_pathconf, dec_pathconf), 46321da177e4SLinus Torvalds PROC(STATFS, enc_statfs, dec_statfs), 46331da177e4SLinus Torvalds PROC(READLINK, enc_readlink, dec_readlink), 46341da177e4SLinus Torvalds PROC(READDIR, enc_readdir, dec_readdir), 46351da177e4SLinus Torvalds PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), 46361da177e4SLinus Torvalds PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), 4637029d105eSJ. Bruce Fields PROC(GETACL, enc_getacl, dec_getacl), 463823ec6965SJ. Bruce Fields PROC(SETACL, enc_setacl, dec_setacl), 4639683b57b4STrond Myklebust PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), 46401da177e4SLinus Torvalds }; 46411da177e4SLinus Torvalds 46421da177e4SLinus Torvalds struct rpc_version nfs_version4 = { 46431da177e4SLinus Torvalds .number = 4, 4644e8c96f8cSTobias Klauser .nrprocs = ARRAY_SIZE(nfs4_procedures), 46451da177e4SLinus Torvalds .procs = nfs4_procedures 46461da177e4SLinus Torvalds }; 46471da177e4SLinus Torvalds 46481da177e4SLinus Torvalds /* 46491da177e4SLinus Torvalds * Local variables: 46501da177e4SLinus Torvalds * c-basic-offset: 8 46511da177e4SLinus Torvalds * End: 46521da177e4SLinus Torvalds */ 4653