Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * fs/nfs/nfs4xdr.c |
| 3 | * |
| 4 | * Client-side XDR for NFSv4. |
| 5 | * |
| 6 | * Copyright (c) 2002 The Regents of the University of Michigan. |
| 7 | * All rights reserved. |
| 8 | * |
| 9 | * Kendrick Smith <kmsmith@umich.edu> |
| 10 | * Andy Adamson <andros@umich.edu> |
| 11 | * |
| 12 | * Redistribution and use in source and binary forms, with or without |
| 13 | * modification, are permitted provided that the following conditions |
| 14 | * are met: |
| 15 | * |
| 16 | * 1. Redistributions of source code must retain the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer. |
| 18 | * 2. Redistributions in binary form must reproduce the above copyright |
| 19 | * notice, this list of conditions and the following disclaimer in the |
| 20 | * documentation and/or other materials provided with the distribution. |
| 21 | * 3. Neither the name of the University nor the names of its |
| 22 | * contributors may be used to endorse or promote products derived |
| 23 | * from this software without specific prior written permission. |
| 24 | * |
| 25 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 26 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 27 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 28 | * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 30 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 31 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 32 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 33 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 34 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 35 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 36 | */ |
| 37 | |
| 38 | #include <linux/param.h> |
| 39 | #include <linux/time.h> |
| 40 | #include <linux/mm.h> |
| 41 | #include <linux/slab.h> |
| 42 | #include <linux/utsname.h> |
| 43 | #include <linux/errno.h> |
| 44 | #include <linux/string.h> |
| 45 | #include <linux/in.h> |
| 46 | #include <linux/pagemap.h> |
| 47 | #include <linux/proc_fs.h> |
| 48 | #include <linux/kdev_t.h> |
| 49 | #include <linux/sunrpc/clnt.h> |
| 50 | #include <linux/nfs.h> |
| 51 | #include <linux/nfs4.h> |
| 52 | #include <linux/nfs_fs.h> |
| 53 | #include <linux/nfs_idmap.h> |
Trond Myklebust | 4ce7971 | 2005-06-22 17:16:21 +0000 | [diff] [blame] | 54 | #include "nfs4_fs.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | |
| 56 | #define NFSDBG_FACILITY NFSDBG_XDR |
| 57 | |
| 58 | /* Mapping from NFS error code to "errno" error code. */ |
| 59 | #define errno_NFSERR_IO EIO |
| 60 | |
David Howells | 0a8ea43 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 61 | static int nfs4_stat_to_errno(int); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | |
| 63 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ |
| 64 | #ifdef DEBUG |
| 65 | #define NFS4_MAXTAGLEN 20 |
| 66 | #else |
| 67 | #define NFS4_MAXTAGLEN 0 |
| 68 | #endif |
| 69 | |
| 70 | /* lock,open owner id: |
Trond Myklebust | 9f958ab | 2007-07-02 13:58:33 -0400 | [diff] [blame] | 71 | * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | */ |
Trond Myklebust | 9f958ab | 2007-07-02 13:58:33 -0400 | [diff] [blame] | 73 | #define open_owner_id_maxsz (1 + 4) |
| 74 | #define lock_owner_id_maxsz (1 + 4) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 75 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
| 77 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
| 78 | #define op_encode_hdr_maxsz (1) |
| 79 | #define op_decode_hdr_maxsz (2) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 80 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
| 81 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
| 82 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) |
| 83 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
| 85 | (NFS4_FHSIZE >> 2)) |
| 86 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) |
| 87 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) |
| 88 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) |
| 89 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) |
| 90 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ |
| 91 | ((3+NFS4_FHSIZE) >> 2)) |
J. Bruce Fields | 9692820 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 92 | #define nfs4_fattr_bitmap_maxsz 3 |
| 93 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
| 95 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) |
Trond Myklebust | bd625ba | 2007-07-08 18:38:23 -0400 | [diff] [blame] | 96 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
| 97 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
J. Bruce Fields | 9692820 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 98 | /* This is based on getfattr, which uses the most attributes: */ |
| 99 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ |
Trond Myklebust | bd625ba | 2007-07-08 18:38:23 -0400 | [diff] [blame] | 100 | 3 + 3 + 3 + nfs4_owner_maxsz + nfs4_group_maxsz)) |
J. Bruce Fields | 9692820 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 101 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
| 102 | nfs4_fattr_value_maxsz) |
| 103 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 104 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
| 105 | 1 + 2 + 1 + \ |
| 106 | nfs4_owner_maxsz + \ |
| 107 | nfs4_group_maxsz + \ |
| 108 | 4 + 4) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
| 110 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 111 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
| 112 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | #define encode_fsinfo_maxsz (op_encode_hdr_maxsz + 2) |
| 114 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 11) |
| 115 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) |
| 116 | #define decode_renew_maxsz (op_decode_hdr_maxsz) |
| 117 | #define encode_setclientid_maxsz \ |
| 118 | (op_encode_hdr_maxsz + \ |
| 119 | 4 /*server->ip_addr*/ + \ |
| 120 | 1 /*Netid*/ + \ |
| 121 | 6 /*uaddr*/ + \ |
| 122 | 6 + (NFS4_VERIFIER_SIZE >> 2)) |
| 123 | #define decode_setclientid_maxsz \ |
| 124 | (op_decode_hdr_maxsz + \ |
| 125 | 2 + \ |
| 126 | 1024) /* large value for CLID_INUSE */ |
| 127 | #define encode_setclientid_confirm_maxsz \ |
| 128 | (op_encode_hdr_maxsz + \ |
| 129 | 3 + (NFS4_VERIFIER_SIZE >> 2)) |
| 130 | #define decode_setclientid_confirm_maxsz \ |
| 131 | (op_decode_hdr_maxsz) |
Trond Myklebust | e688962 | 2007-07-02 13:58:30 -0400 | [diff] [blame] | 132 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
| 133 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 134 | #define encode_share_access_maxsz \ |
| 135 | (2) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 136 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz) |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 137 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
| 138 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) |
| 139 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ |
| 140 | 2 + encode_share_access_maxsz + 2 + \ |
| 141 | open_owner_id_maxsz + \ |
| 142 | encode_opentype_maxsz + \ |
| 143 | encode_claim_null_maxsz) |
| 144 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 145 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 146 | decode_ace_maxsz) |
| 147 | #define decode_change_info_maxsz (5) |
| 148 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 149 | decode_stateid_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 150 | decode_change_info_maxsz + 1 + \ |
| 151 | nfs4_fattr_bitmap_maxsz + \ |
| 152 | decode_delegation_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 153 | #define encode_open_confirm_maxsz \ |
| 154 | (op_encode_hdr_maxsz + \ |
| 155 | encode_stateid_maxsz + 1) |
| 156 | #define decode_open_confirm_maxsz \ |
| 157 | (op_decode_hdr_maxsz + \ |
| 158 | decode_stateid_maxsz) |
| 159 | #define encode_open_downgrade_maxsz \ |
| 160 | (op_encode_hdr_maxsz + \ |
| 161 | encode_stateid_maxsz + 1 + \ |
| 162 | encode_share_access_maxsz) |
| 163 | #define decode_open_downgrade_maxsz \ |
| 164 | (op_decode_hdr_maxsz + \ |
| 165 | decode_stateid_maxsz) |
| 166 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ |
| 167 | 1 + encode_stateid_maxsz) |
| 168 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ |
| 169 | decode_stateid_maxsz) |
| 170 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ |
| 171 | encode_stateid_maxsz + \ |
| 172 | encode_attrs_maxsz) |
| 173 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ |
| 174 | nfs4_fattr_bitmap_maxsz) |
| 175 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ |
| 176 | encode_stateid_maxsz + 3) |
| 177 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2) |
| 178 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ |
| 179 | 2 + encode_verifier_maxsz + 5) |
| 180 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ |
| 181 | decode_verifier_maxsz) |
| 182 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) |
| 183 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) |
| 184 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ |
| 185 | encode_stateid_maxsz + 4) |
| 186 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ |
| 187 | 2 + decode_verifier_maxsz) |
| 188 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) |
| 189 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ |
| 190 | decode_verifier_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
| 192 | nfs4_name_maxsz) |
| 193 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
| 194 | 2 * nfs4_name_maxsz) |
| 195 | #define decode_rename_maxsz (op_decode_hdr_maxsz + 5 + 5) |
| 196 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
| 197 | nfs4_name_maxsz) |
| 198 | #define decode_link_maxsz (op_decode_hdr_maxsz + 5) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 199 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
| 200 | 7 + \ |
| 201 | 1 + encode_stateid_maxsz + 8) |
| 202 | #define decode_lock_denied_maxsz \ |
| 203 | (8 + decode_lockowner_maxsz) |
| 204 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ |
| 205 | decode_lock_denied_maxsz) |
| 206 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 12) |
| 207 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
| 208 | decode_lock_denied_maxsz) |
| 209 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ |
| 210 | encode_stateid_maxsz + \ |
| 211 | 4) |
| 212 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ |
| 213 | decode_stateid_maxsz) |
| 214 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
| 215 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 216 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
| 217 | 1 + nfs4_name_maxsz + \ |
Chuck Lever | 94a6d75 | 2006-08-22 20:06:23 -0400 | [diff] [blame] | 218 | 1 + \ |
J. Bruce Fields | 9692820 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 219 | nfs4_fattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
| 221 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 222 | 1 + 2 + nfs4_name_maxsz + \ |
| 223 | encode_attrs_maxsz) |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 224 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
| 225 | decode_change_info_maxsz + \ |
| 226 | nfs4_fattr_bitmap_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 227 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
| 228 | #define decode_statfs_maxsz (decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
| 230 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 231 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
| 232 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ |
| 233 | nfs4_fattr_bitmap_maxsz + 1) |
| 234 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ |
| 235 | encode_stateid_maxsz + 3) |
| 236 | #define decode_setacl_maxsz (decode_setattr_maxsz) |
Trond Myklebust | e688962 | 2007-07-02 13:58:30 -0400 | [diff] [blame] | 237 | #define encode_fs_locations_maxsz \ |
| 238 | (encode_getattr_maxsz) |
| 239 | #define decode_fs_locations_maxsz \ |
| 240 | (0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 241 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
| 242 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ |
| 243 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ |
| 244 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 245 | encode_read_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
| 247 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 248 | decode_read_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 249 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
| 250 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 251 | encode_readlink_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
| 253 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 254 | decode_readlink_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 255 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
| 256 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 257 | encode_readdir_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
| 259 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 260 | decode_readdir_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
| 262 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 263 | encode_write_maxsz + \ |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 264 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
| 266 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 267 | decode_write_maxsz + \ |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 268 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 269 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
| 270 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 271 | encode_commit_maxsz + \ |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 272 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
| 274 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 275 | decode_commit_maxsz + \ |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 276 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 278 | encode_putfh_maxsz + \ |
| 279 | encode_savefh_maxsz + \ |
| 280 | encode_open_maxsz + \ |
| 281 | encode_getfh_maxsz + \ |
| 282 | encode_getattr_maxsz + \ |
| 283 | encode_restorefh_maxsz + \ |
| 284 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 286 | decode_putfh_maxsz + \ |
| 287 | decode_savefh_maxsz + \ |
| 288 | decode_open_maxsz + \ |
| 289 | decode_getfh_maxsz + \ |
| 290 | decode_getattr_maxsz + \ |
| 291 | decode_restorefh_maxsz + \ |
| 292 | decode_getattr_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 293 | #define NFS4_enc_open_confirm_sz \ |
| 294 | (compound_encode_hdr_maxsz + \ |
| 295 | encode_putfh_maxsz + \ |
| 296 | encode_open_confirm_maxsz) |
| 297 | #define NFS4_dec_open_confirm_sz \ |
| 298 | (compound_decode_hdr_maxsz + \ |
| 299 | decode_putfh_maxsz + \ |
| 300 | decode_open_confirm_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
| 302 | encode_putfh_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 303 | encode_open_maxsz + \ |
| 304 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
| 306 | decode_putfh_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 307 | decode_open_maxsz + \ |
| 308 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 309 | #define NFS4_enc_open_downgrade_sz \ |
| 310 | (compound_encode_hdr_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 311 | encode_putfh_maxsz + \ |
| 312 | encode_open_downgrade_maxsz + \ |
| 313 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | #define NFS4_dec_open_downgrade_sz \ |
| 315 | (compound_decode_hdr_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 316 | decode_putfh_maxsz + \ |
| 317 | decode_open_downgrade_maxsz + \ |
| 318 | decode_getattr_maxsz) |
| 319 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ |
| 320 | encode_putfh_maxsz + \ |
| 321 | encode_close_maxsz + \ |
| 322 | encode_getattr_maxsz) |
| 323 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ |
| 324 | decode_putfh_maxsz + \ |
| 325 | decode_close_maxsz + \ |
| 326 | decode_getattr_maxsz) |
| 327 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ |
| 328 | encode_putfh_maxsz + \ |
| 329 | encode_setattr_maxsz + \ |
| 330 | encode_getattr_maxsz) |
| 331 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ |
| 332 | decode_putfh_maxsz + \ |
| 333 | decode_setattr_maxsz + \ |
| 334 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 335 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
| 336 | encode_putfh_maxsz + \ |
| 337 | encode_fsinfo_maxsz) |
| 338 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ |
| 339 | decode_putfh_maxsz + \ |
| 340 | decode_fsinfo_maxsz) |
| 341 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ |
| 342 | encode_renew_maxsz) |
| 343 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ |
| 344 | decode_renew_maxsz) |
| 345 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ |
| 346 | encode_setclientid_maxsz) |
| 347 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ |
| 348 | decode_setclientid_maxsz) |
| 349 | #define NFS4_enc_setclientid_confirm_sz \ |
| 350 | (compound_encode_hdr_maxsz + \ |
| 351 | encode_setclientid_confirm_maxsz + \ |
| 352 | encode_putrootfh_maxsz + \ |
| 353 | encode_fsinfo_maxsz) |
| 354 | #define NFS4_dec_setclientid_confirm_sz \ |
| 355 | (compound_decode_hdr_maxsz + \ |
| 356 | decode_setclientid_confirm_maxsz + \ |
| 357 | decode_putrootfh_maxsz + \ |
| 358 | decode_fsinfo_maxsz) |
| 359 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ |
| 360 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 361 | encode_lock_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
| 363 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 364 | decode_lock_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 365 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
| 366 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 367 | encode_lockt_maxsz) |
| 368 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ |
| 369 | decode_putfh_maxsz + \ |
| 370 | decode_lockt_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 371 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
| 372 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 373 | encode_locku_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
| 375 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 376 | decode_locku_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 377 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
| 378 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 379 | encode_access_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
| 381 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 382 | decode_access_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
| 384 | encode_putfh_maxsz + \ |
| 385 | encode_getattr_maxsz) |
| 386 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ |
| 387 | decode_putfh_maxsz + \ |
| 388 | decode_getattr_maxsz) |
| 389 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ |
| 390 | encode_putfh_maxsz + \ |
| 391 | encode_lookup_maxsz + \ |
| 392 | encode_getattr_maxsz + \ |
| 393 | encode_getfh_maxsz) |
| 394 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ |
| 395 | decode_putfh_maxsz + \ |
Trond Myklebust | e688962 | 2007-07-02 13:58:30 -0400 | [diff] [blame] | 396 | decode_lookup_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 397 | decode_getattr_maxsz + \ |
| 398 | decode_getfh_maxsz) |
| 399 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ |
| 400 | encode_putrootfh_maxsz + \ |
| 401 | encode_getattr_maxsz + \ |
| 402 | encode_getfh_maxsz) |
| 403 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ |
| 404 | decode_putrootfh_maxsz + \ |
| 405 | decode_getattr_maxsz + \ |
| 406 | decode_getfh_maxsz) |
| 407 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ |
| 408 | encode_putfh_maxsz + \ |
Trond Myklebust | 16e4295 | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 409 | encode_remove_maxsz + \ |
| 410 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
| 412 | decode_putfh_maxsz + \ |
Trond Myklebust | 16e4295 | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 413 | op_decode_hdr_maxsz + 5 + \ |
| 414 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 415 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
| 416 | encode_putfh_maxsz + \ |
| 417 | encode_savefh_maxsz + \ |
| 418 | encode_putfh_maxsz + \ |
Trond Myklebust | 6caf2c8 | 2005-10-27 22:12:43 -0400 | [diff] [blame] | 419 | encode_rename_maxsz + \ |
| 420 | encode_getattr_maxsz + \ |
| 421 | encode_restorefh_maxsz + \ |
| 422 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
| 424 | decode_putfh_maxsz + \ |
| 425 | decode_savefh_maxsz + \ |
| 426 | decode_putfh_maxsz + \ |
Trond Myklebust | 6caf2c8 | 2005-10-27 22:12:43 -0400 | [diff] [blame] | 427 | decode_rename_maxsz + \ |
| 428 | decode_getattr_maxsz + \ |
| 429 | decode_restorefh_maxsz + \ |
| 430 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 431 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
| 432 | encode_putfh_maxsz + \ |
| 433 | encode_savefh_maxsz + \ |
| 434 | encode_putfh_maxsz + \ |
Trond Myklebust | 91ba2ee | 2005-10-27 22:12:42 -0400 | [diff] [blame] | 435 | encode_link_maxsz + \ |
| 436 | decode_getattr_maxsz + \ |
| 437 | encode_restorefh_maxsz + \ |
| 438 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 439 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
| 440 | decode_putfh_maxsz + \ |
| 441 | decode_savefh_maxsz + \ |
| 442 | decode_putfh_maxsz + \ |
Trond Myklebust | 91ba2ee | 2005-10-27 22:12:42 -0400 | [diff] [blame] | 443 | decode_link_maxsz + \ |
| 444 | decode_getattr_maxsz + \ |
| 445 | decode_restorefh_maxsz + \ |
| 446 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 447 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
| 448 | encode_putfh_maxsz + \ |
| 449 | encode_symlink_maxsz + \ |
| 450 | encode_getattr_maxsz + \ |
| 451 | encode_getfh_maxsz) |
| 452 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ |
| 453 | decode_putfh_maxsz + \ |
| 454 | decode_symlink_maxsz + \ |
| 455 | decode_getattr_maxsz + \ |
| 456 | decode_getfh_maxsz) |
| 457 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ |
| 458 | encode_putfh_maxsz + \ |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 459 | encode_savefh_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | encode_create_maxsz + \ |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 461 | encode_getfh_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | encode_getattr_maxsz + \ |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 463 | encode_restorefh_maxsz + \ |
| 464 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
| 466 | decode_putfh_maxsz + \ |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 467 | decode_savefh_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | decode_create_maxsz + \ |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 469 | decode_getfh_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 470 | decode_getattr_maxsz + \ |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 471 | decode_restorefh_maxsz + \ |
| 472 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 473 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
| 474 | encode_putfh_maxsz + \ |
| 475 | encode_getattr_maxsz) |
| 476 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ |
| 477 | decode_putfh_maxsz + \ |
| 478 | decode_getattr_maxsz) |
| 479 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ |
| 480 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 481 | encode_statfs_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 482 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
| 483 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 484 | decode_statfs_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
Trond Myklebust | ab91f26 | 2007-02-02 14:47:17 -0800 | [diff] [blame] | 486 | encode_putfh_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | encode_getattr_maxsz) |
| 488 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ |
Trond Myklebust | ab91f26 | 2007-02-02 14:47:17 -0800 | [diff] [blame] | 489 | decode_putfh_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 490 | decode_getattr_maxsz) |
| 491 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ |
| 492 | encode_putfh_maxsz + \ |
Trond Myklebust | fa178f2 | 2006-01-03 09:55:38 +0100 | [diff] [blame] | 493 | encode_delegreturn_maxsz + \ |
| 494 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 495 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
Trond Myklebust | fa178f2 | 2006-01-03 09:55:38 +0100 | [diff] [blame] | 496 | decode_delegreturn_maxsz + \ |
| 497 | decode_getattr_maxsz) |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 498 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
| 499 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 500 | encode_getacl_maxsz) |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 501 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
| 502 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 503 | decode_getacl_maxsz) |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 504 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
| 505 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 506 | encode_setacl_maxsz) |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 507 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
| 508 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 509 | decode_setacl_maxsz) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 510 | #define NFS4_enc_fs_locations_sz \ |
| 511 | (compound_encode_hdr_maxsz + \ |
| 512 | encode_putfh_maxsz + \ |
Trond Myklebust | e688962 | 2007-07-02 13:58:30 -0400 | [diff] [blame] | 513 | encode_lookup_maxsz + \ |
| 514 | encode_fs_locations_maxsz) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 515 | #define NFS4_dec_fs_locations_sz \ |
| 516 | (compound_decode_hdr_maxsz + \ |
| 517 | decode_putfh_maxsz + \ |
Trond Myklebust | e688962 | 2007-07-02 13:58:30 -0400 | [diff] [blame] | 518 | decode_lookup_maxsz + \ |
| 519 | decode_fs_locations_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | |
| 521 | static struct { |
| 522 | unsigned int mode; |
| 523 | unsigned int nfs2type; |
| 524 | } nfs_type2fmt[] = { |
| 525 | { 0, NFNON }, |
| 526 | { S_IFREG, NFREG }, |
| 527 | { S_IFDIR, NFDIR }, |
| 528 | { S_IFBLK, NFBLK }, |
| 529 | { S_IFCHR, NFCHR }, |
| 530 | { S_IFLNK, NFLNK }, |
| 531 | { S_IFSOCK, NFSOCK }, |
| 532 | { S_IFIFO, NFFIFO }, |
| 533 | { 0, NFNON }, |
| 534 | { 0, NFNON }, |
| 535 | }; |
| 536 | |
| 537 | struct compound_hdr { |
| 538 | int32_t status; |
| 539 | uint32_t nops; |
| 540 | uint32_t taglen; |
| 541 | char * tag; |
| 542 | }; |
| 543 | |
| 544 | /* |
| 545 | * START OF "GENERIC" ENCODE ROUTINES. |
| 546 | * These may look a little ugly since they are imported from a "generic" |
| 547 | * set of XDR encode/decode routines which are intended to be shared by |
| 548 | * all of our NFSv4 implementations (OpenBSD, MacOS X...). |
| 549 | * |
| 550 | * If the pain of reading these is too great, it should be a straightforward |
| 551 | * task to translate them into Linux-specific versions which are more |
| 552 | * consistent with the style used in NFSv2/v3... |
| 553 | */ |
| 554 | #define WRITE32(n) *p++ = htonl(n) |
| 555 | #define WRITE64(n) do { \ |
| 556 | *p++ = htonl((uint32_t)((n) >> 32)); \ |
| 557 | *p++ = htonl((uint32_t)(n)); \ |
| 558 | } while (0) |
| 559 | #define WRITEMEM(ptr,nbytes) do { \ |
| 560 | p = xdr_encode_opaque_fixed(p, ptr, nbytes); \ |
| 561 | } while (0) |
| 562 | |
| 563 | #define RESERVE_SPACE(nbytes) do { \ |
| 564 | p = xdr_reserve_space(xdr, nbytes); \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 565 | BUG_ON(!p); \ |
| 566 | } while (0) |
| 567 | |
| 568 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
| 569 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 570 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 571 | |
| 572 | p = xdr_reserve_space(xdr, 4 + len); |
| 573 | BUG_ON(p == NULL); |
| 574 | xdr_encode_opaque(p, str, len); |
| 575 | } |
| 576 | |
| 577 | static int encode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) |
| 578 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 579 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 580 | |
| 581 | dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag); |
| 582 | BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); |
| 583 | RESERVE_SPACE(12+(XDR_QUADLEN(hdr->taglen)<<2)); |
| 584 | WRITE32(hdr->taglen); |
| 585 | WRITEMEM(hdr->tag, hdr->taglen); |
| 586 | WRITE32(NFS4_MINOR_VERSION); |
| 587 | WRITE32(hdr->nops); |
| 588 | return 0; |
| 589 | } |
| 590 | |
| 591 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
| 592 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 593 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 594 | |
| 595 | p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE); |
| 596 | BUG_ON(p == NULL); |
| 597 | xdr_encode_opaque_fixed(p, verf->data, NFS4_VERIFIER_SIZE); |
| 598 | } |
| 599 | |
| 600 | static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) |
| 601 | { |
| 602 | char owner_name[IDMAP_NAMESZ]; |
| 603 | char owner_group[IDMAP_NAMESZ]; |
| 604 | int owner_namelen = 0; |
| 605 | int owner_grouplen = 0; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 606 | __be32 *p; |
| 607 | __be32 *q; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 608 | int len; |
| 609 | uint32_t bmval0 = 0; |
| 610 | uint32_t bmval1 = 0; |
| 611 | int status; |
| 612 | |
| 613 | /* |
| 614 | * We reserve enough space to write the entire attribute buffer at once. |
| 615 | * In the worst-case, this would be |
| 616 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) |
| 617 | * = 36 bytes, plus any contribution from variable-length fields |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 618 | * such as owner/group. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 619 | */ |
| 620 | len = 16; |
| 621 | |
| 622 | /* Sigh */ |
| 623 | if (iap->ia_valid & ATTR_SIZE) |
| 624 | len += 8; |
| 625 | if (iap->ia_valid & ATTR_MODE) |
| 626 | len += 4; |
| 627 | if (iap->ia_valid & ATTR_UID) { |
David Howells | 7539bba | 2006-08-22 20:06:09 -0400 | [diff] [blame] | 628 | owner_namelen = nfs_map_uid_to_name(server->nfs_client, iap->ia_uid, owner_name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 629 | if (owner_namelen < 0) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame^] | 630 | dprintk("nfs: couldn't resolve uid %d to string\n", |
| 631 | iap->ia_uid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 632 | /* XXX */ |
| 633 | strcpy(owner_name, "nobody"); |
| 634 | owner_namelen = sizeof("nobody") - 1; |
| 635 | /* goto out; */ |
| 636 | } |
| 637 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); |
| 638 | } |
| 639 | if (iap->ia_valid & ATTR_GID) { |
David Howells | 7539bba | 2006-08-22 20:06:09 -0400 | [diff] [blame] | 640 | owner_grouplen = nfs_map_gid_to_group(server->nfs_client, iap->ia_gid, owner_group); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 641 | if (owner_grouplen < 0) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame^] | 642 | dprintk("nfs: couldn't resolve gid %d to string\n", |
| 643 | iap->ia_gid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 644 | strcpy(owner_group, "nobody"); |
| 645 | owner_grouplen = sizeof("nobody") - 1; |
| 646 | /* goto out; */ |
| 647 | } |
| 648 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); |
| 649 | } |
| 650 | if (iap->ia_valid & ATTR_ATIME_SET) |
| 651 | len += 16; |
| 652 | else if (iap->ia_valid & ATTR_ATIME) |
| 653 | len += 4; |
| 654 | if (iap->ia_valid & ATTR_MTIME_SET) |
| 655 | len += 16; |
| 656 | else if (iap->ia_valid & ATTR_MTIME) |
| 657 | len += 4; |
| 658 | RESERVE_SPACE(len); |
| 659 | |
| 660 | /* |
| 661 | * We write the bitmap length now, but leave the bitmap and the attribute |
| 662 | * buffer length to be backfilled at the end of this routine. |
| 663 | */ |
| 664 | WRITE32(2); |
| 665 | q = p; |
| 666 | p += 3; |
| 667 | |
| 668 | if (iap->ia_valid & ATTR_SIZE) { |
| 669 | bmval0 |= FATTR4_WORD0_SIZE; |
| 670 | WRITE64(iap->ia_size); |
| 671 | } |
| 672 | if (iap->ia_valid & ATTR_MODE) { |
| 673 | bmval1 |= FATTR4_WORD1_MODE; |
Trond Myklebust | cf3fff5 | 2006-01-03 09:55:53 +0100 | [diff] [blame] | 674 | WRITE32(iap->ia_mode & S_IALLUGO); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 675 | } |
| 676 | if (iap->ia_valid & ATTR_UID) { |
| 677 | bmval1 |= FATTR4_WORD1_OWNER; |
| 678 | WRITE32(owner_namelen); |
| 679 | WRITEMEM(owner_name, owner_namelen); |
| 680 | } |
| 681 | if (iap->ia_valid & ATTR_GID) { |
| 682 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; |
| 683 | WRITE32(owner_grouplen); |
| 684 | WRITEMEM(owner_group, owner_grouplen); |
| 685 | } |
| 686 | if (iap->ia_valid & ATTR_ATIME_SET) { |
| 687 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; |
| 688 | WRITE32(NFS4_SET_TO_CLIENT_TIME); |
| 689 | WRITE32(0); |
| 690 | WRITE32(iap->ia_mtime.tv_sec); |
| 691 | WRITE32(iap->ia_mtime.tv_nsec); |
| 692 | } |
| 693 | else if (iap->ia_valid & ATTR_ATIME) { |
| 694 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; |
| 695 | WRITE32(NFS4_SET_TO_SERVER_TIME); |
| 696 | } |
| 697 | if (iap->ia_valid & ATTR_MTIME_SET) { |
| 698 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; |
| 699 | WRITE32(NFS4_SET_TO_CLIENT_TIME); |
| 700 | WRITE32(0); |
| 701 | WRITE32(iap->ia_mtime.tv_sec); |
| 702 | WRITE32(iap->ia_mtime.tv_nsec); |
| 703 | } |
| 704 | else if (iap->ia_valid & ATTR_MTIME) { |
| 705 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; |
| 706 | WRITE32(NFS4_SET_TO_SERVER_TIME); |
| 707 | } |
| 708 | |
| 709 | /* |
| 710 | * Now we backfill the bitmap and the attribute buffer length. |
| 711 | */ |
| 712 | if (len != ((char *)p - (char *)q) + 4) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame^] | 713 | printk(KERN_ERR "nfs: Attr length error, %u != %Zu\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 714 | len, ((char *)p - (char *)q) + 4); |
| 715 | BUG(); |
| 716 | } |
| 717 | len = (char *)p - (char *)q - 12; |
| 718 | *q++ = htonl(bmval0); |
| 719 | *q++ = htonl(bmval1); |
| 720 | *q++ = htonl(len); |
| 721 | |
| 722 | status = 0; |
| 723 | /* out: */ |
| 724 | return status; |
| 725 | } |
| 726 | |
| 727 | static int encode_access(struct xdr_stream *xdr, u32 access) |
| 728 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 729 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 730 | |
| 731 | RESERVE_SPACE(8); |
| 732 | WRITE32(OP_ACCESS); |
| 733 | WRITE32(access); |
| 734 | |
| 735 | return 0; |
| 736 | } |
| 737 | |
| 738 | static int encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg) |
| 739 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 740 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 741 | |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 742 | RESERVE_SPACE(8+NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 743 | WRITE32(OP_CLOSE); |
Trond Myklebust | cee54fc | 2005-10-18 14:20:12 -0700 | [diff] [blame] | 744 | WRITE32(arg->seqid->sequence->counter); |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 745 | WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 746 | |
| 747 | return 0; |
| 748 | } |
| 749 | |
| 750 | static int encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args) |
| 751 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 752 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 753 | |
| 754 | RESERVE_SPACE(16); |
| 755 | WRITE32(OP_COMMIT); |
| 756 | WRITE64(args->offset); |
| 757 | WRITE32(args->count); |
| 758 | |
| 759 | return 0; |
| 760 | } |
| 761 | |
| 762 | static int encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create) |
| 763 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 764 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 765 | |
| 766 | RESERVE_SPACE(8); |
| 767 | WRITE32(OP_CREATE); |
| 768 | WRITE32(create->ftype); |
| 769 | |
| 770 | switch (create->ftype) { |
| 771 | case NF4LNK: |
Chuck Lever | 94a6d75 | 2006-08-22 20:06:23 -0400 | [diff] [blame] | 772 | RESERVE_SPACE(4); |
| 773 | WRITE32(create->u.symlink.len); |
| 774 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 775 | break; |
| 776 | |
| 777 | case NF4BLK: case NF4CHR: |
| 778 | RESERVE_SPACE(8); |
| 779 | WRITE32(create->u.device.specdata1); |
| 780 | WRITE32(create->u.device.specdata2); |
| 781 | break; |
| 782 | |
| 783 | default: |
| 784 | break; |
| 785 | } |
| 786 | |
| 787 | RESERVE_SPACE(4 + create->name->len); |
| 788 | WRITE32(create->name->len); |
| 789 | WRITEMEM(create->name->name, create->name->len); |
| 790 | |
| 791 | return encode_attrs(xdr, create->attrs, create->server); |
| 792 | } |
| 793 | |
| 794 | static int encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap) |
| 795 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 796 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 797 | |
| 798 | RESERVE_SPACE(12); |
| 799 | WRITE32(OP_GETATTR); |
| 800 | WRITE32(1); |
| 801 | WRITE32(bitmap); |
| 802 | return 0; |
| 803 | } |
| 804 | |
| 805 | static int encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1) |
| 806 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 807 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 808 | |
| 809 | RESERVE_SPACE(16); |
| 810 | WRITE32(OP_GETATTR); |
| 811 | WRITE32(2); |
| 812 | WRITE32(bm0); |
| 813 | WRITE32(bm1); |
| 814 | return 0; |
| 815 | } |
| 816 | |
| 817 | static int encode_getfattr(struct xdr_stream *xdr, const u32* bitmask) |
| 818 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 819 | return encode_getattr_two(xdr, |
| 820 | bitmask[0] & nfs4_fattr_bitmap[0], |
| 821 | bitmask[1] & nfs4_fattr_bitmap[1]); |
| 822 | } |
| 823 | |
| 824 | static int encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask) |
| 825 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 826 | return encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0], |
| 827 | bitmask[1] & nfs4_fsinfo_bitmap[1]); |
| 828 | } |
| 829 | |
Manoj Naik | 830b8e3 | 2006-06-09 09:34:25 -0400 | [diff] [blame] | 830 | static int encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask) |
| 831 | { |
| 832 | return encode_getattr_two(xdr, |
| 833 | bitmask[0] & nfs4_fs_locations_bitmap[0], |
| 834 | bitmask[1] & nfs4_fs_locations_bitmap[1]); |
| 835 | } |
| 836 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 837 | static int encode_getfh(struct xdr_stream *xdr) |
| 838 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 839 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 840 | |
| 841 | RESERVE_SPACE(4); |
| 842 | WRITE32(OP_GETFH); |
| 843 | |
| 844 | return 0; |
| 845 | } |
| 846 | |
| 847 | static int encode_link(struct xdr_stream *xdr, const struct qstr *name) |
| 848 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 849 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 850 | |
| 851 | RESERVE_SPACE(8 + name->len); |
| 852 | WRITE32(OP_LINK); |
| 853 | WRITE32(name->len); |
| 854 | WRITEMEM(name->name, name->len); |
| 855 | |
| 856 | return 0; |
| 857 | } |
| 858 | |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 859 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
| 860 | { |
| 861 | if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) |
| 862 | return block ? NFS4_READW_LT : NFS4_READ_LT; |
| 863 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; |
| 864 | } |
| 865 | |
| 866 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) |
| 867 | { |
| 868 | if (fl->fl_end == OFFSET_MAX) |
| 869 | return ~(uint64_t)0; |
| 870 | return fl->fl_end - fl->fl_start + 1; |
| 871 | } |
| 872 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 873 | /* |
| 874 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 |
| 875 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 |
| 876 | */ |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 877 | static int encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 878 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 879 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 880 | |
| 881 | RESERVE_SPACE(32); |
| 882 | WRITE32(OP_LOCK); |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 883 | WRITE32(nfs4_lock_type(args->fl, args->block)); |
| 884 | WRITE32(args->reclaim); |
| 885 | WRITE64(args->fl->fl_start); |
| 886 | WRITE64(nfs4_lock_length(args->fl)); |
| 887 | WRITE32(args->new_lock_owner); |
| 888 | if (args->new_lock_owner){ |
Trond Myklebust | 9f958ab | 2007-07-02 13:58:33 -0400 | [diff] [blame] | 889 | RESERVE_SPACE(4+NFS4_STATEID_SIZE+32); |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 890 | WRITE32(args->open_seqid->sequence->counter); |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 891 | WRITEMEM(args->open_stateid->data, NFS4_STATEID_SIZE); |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 892 | WRITE32(args->lock_seqid->sequence->counter); |
| 893 | WRITE64(args->lock_owner.clientid); |
Trond Myklebust | 9f958ab | 2007-07-02 13:58:33 -0400 | [diff] [blame] | 894 | WRITE32(16); |
| 895 | WRITEMEM("lock id:", 8); |
| 896 | WRITE64(args->lock_owner.id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 897 | } |
| 898 | else { |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 899 | RESERVE_SPACE(NFS4_STATEID_SIZE+4); |
| 900 | WRITEMEM(args->lock_stateid->data, NFS4_STATEID_SIZE); |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 901 | WRITE32(args->lock_seqid->sequence->counter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 902 | } |
| 903 | |
| 904 | return 0; |
| 905 | } |
| 906 | |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 907 | static int encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 908 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 909 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 910 | |
Trond Myklebust | 9f958ab | 2007-07-02 13:58:33 -0400 | [diff] [blame] | 911 | RESERVE_SPACE(52); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 912 | WRITE32(OP_LOCKT); |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 913 | WRITE32(nfs4_lock_type(args->fl, 0)); |
| 914 | WRITE64(args->fl->fl_start); |
| 915 | WRITE64(nfs4_lock_length(args->fl)); |
| 916 | WRITE64(args->lock_owner.clientid); |
Trond Myklebust | 9f958ab | 2007-07-02 13:58:33 -0400 | [diff] [blame] | 917 | WRITE32(16); |
| 918 | WRITEMEM("lock id:", 8); |
| 919 | WRITE64(args->lock_owner.id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 920 | |
| 921 | return 0; |
| 922 | } |
| 923 | |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 924 | static int encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 925 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 926 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 927 | |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 928 | RESERVE_SPACE(12+NFS4_STATEID_SIZE+16); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 929 | WRITE32(OP_LOCKU); |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 930 | WRITE32(nfs4_lock_type(args->fl, 0)); |
| 931 | WRITE32(args->seqid->sequence->counter); |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 932 | WRITEMEM(args->stateid->data, NFS4_STATEID_SIZE); |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 933 | WRITE64(args->fl->fl_start); |
| 934 | WRITE64(nfs4_lock_length(args->fl)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 935 | |
| 936 | return 0; |
| 937 | } |
| 938 | |
| 939 | static int encode_lookup(struct xdr_stream *xdr, const struct qstr *name) |
| 940 | { |
| 941 | int len = name->len; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 942 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 943 | |
| 944 | RESERVE_SPACE(8 + len); |
| 945 | WRITE32(OP_LOOKUP); |
| 946 | WRITE32(len); |
| 947 | WRITEMEM(name->name, len); |
| 948 | |
| 949 | return 0; |
| 950 | } |
| 951 | |
| 952 | static void encode_share_access(struct xdr_stream *xdr, int open_flags) |
| 953 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 954 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 955 | |
| 956 | RESERVE_SPACE(8); |
| 957 | switch (open_flags & (FMODE_READ|FMODE_WRITE)) { |
| 958 | case FMODE_READ: |
| 959 | WRITE32(NFS4_SHARE_ACCESS_READ); |
| 960 | break; |
| 961 | case FMODE_WRITE: |
| 962 | WRITE32(NFS4_SHARE_ACCESS_WRITE); |
| 963 | break; |
| 964 | case FMODE_READ|FMODE_WRITE: |
| 965 | WRITE32(NFS4_SHARE_ACCESS_BOTH); |
| 966 | break; |
| 967 | default: |
| 968 | BUG(); |
| 969 | } |
| 970 | WRITE32(0); /* for linux, share_deny = 0 always */ |
| 971 | } |
| 972 | |
| 973 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) |
| 974 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 975 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 976 | /* |
| 977 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, |
| 978 | * owner 4 = 32 |
| 979 | */ |
| 980 | RESERVE_SPACE(8); |
| 981 | WRITE32(OP_OPEN); |
Trond Myklebust | cee54fc | 2005-10-18 14:20:12 -0700 | [diff] [blame] | 982 | WRITE32(arg->seqid->sequence->counter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 983 | encode_share_access(xdr, arg->open_flags); |
Trond Myklebust | 9f958ab | 2007-07-02 13:58:33 -0400 | [diff] [blame] | 984 | RESERVE_SPACE(28); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 985 | WRITE64(arg->clientid); |
Trond Myklebust | 9f958ab | 2007-07-02 13:58:33 -0400 | [diff] [blame] | 986 | WRITE32(16); |
| 987 | WRITEMEM("open id:", 8); |
| 988 | WRITE64(arg->id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 989 | } |
| 990 | |
| 991 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) |
| 992 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 993 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 994 | |
| 995 | RESERVE_SPACE(4); |
| 996 | switch(arg->open_flags & O_EXCL) { |
| 997 | case 0: |
| 998 | WRITE32(NFS4_CREATE_UNCHECKED); |
| 999 | encode_attrs(xdr, arg->u.attrs, arg->server); |
| 1000 | break; |
| 1001 | default: |
| 1002 | WRITE32(NFS4_CREATE_EXCLUSIVE); |
| 1003 | encode_nfs4_verifier(xdr, &arg->u.verifier); |
| 1004 | } |
| 1005 | } |
| 1006 | |
| 1007 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) |
| 1008 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1009 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1010 | |
| 1011 | RESERVE_SPACE(4); |
| 1012 | switch (arg->open_flags & O_CREAT) { |
| 1013 | case 0: |
| 1014 | WRITE32(NFS4_OPEN_NOCREATE); |
| 1015 | break; |
| 1016 | default: |
| 1017 | BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); |
| 1018 | WRITE32(NFS4_OPEN_CREATE); |
| 1019 | encode_createmode(xdr, arg); |
| 1020 | } |
| 1021 | } |
| 1022 | |
| 1023 | static inline void encode_delegation_type(struct xdr_stream *xdr, int delegation_type) |
| 1024 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1025 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1026 | |
| 1027 | RESERVE_SPACE(4); |
| 1028 | switch (delegation_type) { |
| 1029 | case 0: |
| 1030 | WRITE32(NFS4_OPEN_DELEGATE_NONE); |
| 1031 | break; |
| 1032 | case FMODE_READ: |
| 1033 | WRITE32(NFS4_OPEN_DELEGATE_READ); |
| 1034 | break; |
| 1035 | case FMODE_WRITE|FMODE_READ: |
| 1036 | WRITE32(NFS4_OPEN_DELEGATE_WRITE); |
| 1037 | break; |
| 1038 | default: |
| 1039 | BUG(); |
| 1040 | } |
| 1041 | } |
| 1042 | |
| 1043 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) |
| 1044 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1045 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1046 | |
| 1047 | RESERVE_SPACE(4); |
| 1048 | WRITE32(NFS4_OPEN_CLAIM_NULL); |
| 1049 | encode_string(xdr, name->len, name->name); |
| 1050 | } |
| 1051 | |
| 1052 | static inline void encode_claim_previous(struct xdr_stream *xdr, int type) |
| 1053 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1054 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1055 | |
| 1056 | RESERVE_SPACE(4); |
| 1057 | WRITE32(NFS4_OPEN_CLAIM_PREVIOUS); |
| 1058 | encode_delegation_type(xdr, type); |
| 1059 | } |
| 1060 | |
| 1061 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) |
| 1062 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1063 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1064 | |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1065 | RESERVE_SPACE(4+NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1066 | WRITE32(NFS4_OPEN_CLAIM_DELEGATE_CUR); |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1067 | WRITEMEM(stateid->data, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1068 | encode_string(xdr, name->len, name->name); |
| 1069 | } |
| 1070 | |
| 1071 | static int encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg) |
| 1072 | { |
| 1073 | encode_openhdr(xdr, arg); |
| 1074 | encode_opentype(xdr, arg); |
| 1075 | switch (arg->claim) { |
| 1076 | case NFS4_OPEN_CLAIM_NULL: |
| 1077 | encode_claim_null(xdr, arg->name); |
| 1078 | break; |
| 1079 | case NFS4_OPEN_CLAIM_PREVIOUS: |
| 1080 | encode_claim_previous(xdr, arg->u.delegation_type); |
| 1081 | break; |
| 1082 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: |
| 1083 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); |
| 1084 | break; |
| 1085 | default: |
| 1086 | BUG(); |
| 1087 | } |
| 1088 | return 0; |
| 1089 | } |
| 1090 | |
| 1091 | static int encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg) |
| 1092 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1093 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1094 | |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1095 | RESERVE_SPACE(4+NFS4_STATEID_SIZE+4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1096 | WRITE32(OP_OPEN_CONFIRM); |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1097 | WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE); |
Trond Myklebust | cee54fc | 2005-10-18 14:20:12 -0700 | [diff] [blame] | 1098 | WRITE32(arg->seqid->sequence->counter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1099 | |
| 1100 | return 0; |
| 1101 | } |
| 1102 | |
| 1103 | static int encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg) |
| 1104 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1105 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1106 | |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1107 | RESERVE_SPACE(4+NFS4_STATEID_SIZE+4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1108 | WRITE32(OP_OPEN_DOWNGRADE); |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1109 | WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE); |
Trond Myklebust | cee54fc | 2005-10-18 14:20:12 -0700 | [diff] [blame] | 1110 | WRITE32(arg->seqid->sequence->counter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1111 | encode_share_access(xdr, arg->open_flags); |
| 1112 | return 0; |
| 1113 | } |
| 1114 | |
| 1115 | static int |
| 1116 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh) |
| 1117 | { |
| 1118 | int len = fh->size; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1119 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1120 | |
| 1121 | RESERVE_SPACE(8 + len); |
| 1122 | WRITE32(OP_PUTFH); |
| 1123 | WRITE32(len); |
| 1124 | WRITEMEM(fh->data, len); |
| 1125 | |
| 1126 | return 0; |
| 1127 | } |
| 1128 | |
| 1129 | static int encode_putrootfh(struct xdr_stream *xdr) |
| 1130 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1131 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1132 | |
| 1133 | RESERVE_SPACE(4); |
| 1134 | WRITE32(OP_PUTROOTFH); |
| 1135 | |
| 1136 | return 0; |
| 1137 | } |
| 1138 | |
| 1139 | static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx) |
| 1140 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1141 | nfs4_stateid stateid; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1142 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1143 | |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1144 | RESERVE_SPACE(NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1145 | if (ctx->state != NULL) { |
| 1146 | nfs4_copy_stateid(&stateid, ctx->state, ctx->lockowner); |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1147 | WRITEMEM(stateid.data, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1148 | } else |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1149 | WRITEMEM(zero_stateid.data, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1150 | } |
| 1151 | |
| 1152 | static int encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args) |
| 1153 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1154 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1155 | |
| 1156 | RESERVE_SPACE(4); |
| 1157 | WRITE32(OP_READ); |
| 1158 | |
| 1159 | encode_stateid(xdr, args->context); |
| 1160 | |
| 1161 | RESERVE_SPACE(12); |
| 1162 | WRITE64(args->offset); |
| 1163 | WRITE32(args->count); |
| 1164 | |
| 1165 | return 0; |
| 1166 | } |
| 1167 | |
| 1168 | static int encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req) |
| 1169 | { |
Manoj Naik | 97d312d | 2005-06-22 17:16:39 +0000 | [diff] [blame] | 1170 | uint32_t attrs[2] = { |
| 1171 | FATTR4_WORD0_RDATTR_ERROR|FATTR4_WORD0_FILEID, |
| 1172 | FATTR4_WORD1_MOUNTED_ON_FILEID, |
| 1173 | }; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1174 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1175 | |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1176 | RESERVE_SPACE(12+NFS4_VERIFIER_SIZE+20); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1177 | WRITE32(OP_READDIR); |
| 1178 | WRITE64(readdir->cookie); |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1179 | WRITEMEM(readdir->verifier.data, NFS4_VERIFIER_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1180 | WRITE32(readdir->count >> 1); /* We're not doing readdirplus */ |
| 1181 | WRITE32(readdir->count); |
| 1182 | WRITE32(2); |
Manoj Naik | 97d312d | 2005-06-22 17:16:39 +0000 | [diff] [blame] | 1183 | /* Switch to mounted_on_fileid if the server supports it */ |
| 1184 | if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID) |
| 1185 | attrs[0] &= ~FATTR4_WORD0_FILEID; |
| 1186 | else |
| 1187 | attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
| 1188 | WRITE32(attrs[0] & readdir->bitmask[0]); |
| 1189 | WRITE32(attrs[1] & readdir->bitmask[1]); |
Trond Myklebust | eadf459 | 2005-06-22 17:16:39 +0000 | [diff] [blame] | 1190 | dprintk("%s: cookie = %Lu, verifier = 0x%x%x, bitmap = 0x%x%x\n", |
| 1191 | __FUNCTION__, |
| 1192 | (unsigned long long)readdir->cookie, |
| 1193 | ((u32 *)readdir->verifier.data)[0], |
| 1194 | ((u32 *)readdir->verifier.data)[1], |
| 1195 | attrs[0] & readdir->bitmask[0], |
| 1196 | attrs[1] & readdir->bitmask[1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1197 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1198 | return 0; |
| 1199 | } |
| 1200 | |
| 1201 | static int encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req) |
| 1202 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1203 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1204 | |
| 1205 | RESERVE_SPACE(4); |
| 1206 | WRITE32(OP_READLINK); |
| 1207 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1208 | return 0; |
| 1209 | } |
| 1210 | |
| 1211 | static int encode_remove(struct xdr_stream *xdr, const struct qstr *name) |
| 1212 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1213 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1214 | |
| 1215 | RESERVE_SPACE(8 + name->len); |
| 1216 | WRITE32(OP_REMOVE); |
| 1217 | WRITE32(name->len); |
| 1218 | WRITEMEM(name->name, name->len); |
| 1219 | |
| 1220 | return 0; |
| 1221 | } |
| 1222 | |
| 1223 | static int encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname) |
| 1224 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1225 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1226 | |
| 1227 | RESERVE_SPACE(8 + oldname->len); |
| 1228 | WRITE32(OP_RENAME); |
| 1229 | WRITE32(oldname->len); |
| 1230 | WRITEMEM(oldname->name, oldname->len); |
| 1231 | |
| 1232 | RESERVE_SPACE(4 + newname->len); |
| 1233 | WRITE32(newname->len); |
| 1234 | WRITEMEM(newname->name, newname->len); |
| 1235 | |
| 1236 | return 0; |
| 1237 | } |
| 1238 | |
David Howells | adfa6f9 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 1239 | static int encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_stateid) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1240 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1241 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1242 | |
| 1243 | RESERVE_SPACE(12); |
| 1244 | WRITE32(OP_RENEW); |
| 1245 | WRITE64(client_stateid->cl_clientid); |
| 1246 | |
| 1247 | return 0; |
| 1248 | } |
| 1249 | |
| 1250 | static int |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 1251 | encode_restorefh(struct xdr_stream *xdr) |
| 1252 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1253 | __be32 *p; |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 1254 | |
| 1255 | RESERVE_SPACE(4); |
| 1256 | WRITE32(OP_RESTOREFH); |
| 1257 | |
| 1258 | return 0; |
| 1259 | } |
| 1260 | |
| 1261 | static int |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 1262 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg) |
| 1263 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1264 | __be32 *p; |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 1265 | |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1266 | RESERVE_SPACE(4+NFS4_STATEID_SIZE); |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 1267 | WRITE32(OP_SETATTR); |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1268 | WRITEMEM(zero_stateid.data, NFS4_STATEID_SIZE); |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 1269 | RESERVE_SPACE(2*4); |
| 1270 | WRITE32(1); |
| 1271 | WRITE32(FATTR4_WORD0_ACL); |
| 1272 | if (arg->acl_len % 4) |
| 1273 | return -EINVAL; |
| 1274 | RESERVE_SPACE(4); |
| 1275 | WRITE32(arg->acl_len); |
| 1276 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
| 1277 | return 0; |
| 1278 | } |
| 1279 | |
| 1280 | static int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1281 | encode_savefh(struct xdr_stream *xdr) |
| 1282 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1283 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1284 | |
| 1285 | RESERVE_SPACE(4); |
| 1286 | WRITE32(OP_SAVEFH); |
| 1287 | |
| 1288 | return 0; |
| 1289 | } |
| 1290 | |
| 1291 | static int encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server) |
| 1292 | { |
| 1293 | int status; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1294 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1295 | |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1296 | RESERVE_SPACE(4+NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1297 | WRITE32(OP_SETATTR); |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1298 | WRITEMEM(arg->stateid.data, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1299 | |
| 1300 | if ((status = encode_attrs(xdr, arg->iap, server))) |
| 1301 | return status; |
| 1302 | |
| 1303 | return 0; |
| 1304 | } |
| 1305 | |
| 1306 | static int encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid) |
| 1307 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1308 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1309 | |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1310 | RESERVE_SPACE(4 + NFS4_VERIFIER_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1311 | WRITE32(OP_SETCLIENTID); |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1312 | WRITEMEM(setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1313 | |
| 1314 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); |
| 1315 | RESERVE_SPACE(4); |
| 1316 | WRITE32(setclientid->sc_prog); |
| 1317 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
| 1318 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); |
| 1319 | RESERVE_SPACE(4); |
| 1320 | WRITE32(setclientid->sc_cb_ident); |
| 1321 | |
| 1322 | return 0; |
| 1323 | } |
| 1324 | |
David Howells | adfa6f9 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 1325 | static int encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs_client *client_state) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1326 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1327 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1328 | |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1329 | RESERVE_SPACE(12 + NFS4_VERIFIER_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1330 | WRITE32(OP_SETCLIENTID_CONFIRM); |
| 1331 | WRITE64(client_state->cl_clientid); |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1332 | WRITEMEM(client_state->cl_confirm.data, NFS4_VERIFIER_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1333 | |
| 1334 | return 0; |
| 1335 | } |
| 1336 | |
| 1337 | static int encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args) |
| 1338 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1339 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1340 | |
| 1341 | RESERVE_SPACE(4); |
| 1342 | WRITE32(OP_WRITE); |
| 1343 | |
| 1344 | encode_stateid(xdr, args->context); |
| 1345 | |
| 1346 | RESERVE_SPACE(16); |
| 1347 | WRITE64(args->offset); |
| 1348 | WRITE32(args->stable); |
| 1349 | WRITE32(args->count); |
| 1350 | |
| 1351 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); |
| 1352 | |
| 1353 | return 0; |
| 1354 | } |
| 1355 | |
| 1356 | static int encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
| 1357 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1358 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1359 | |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1360 | RESERVE_SPACE(4+NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1361 | |
| 1362 | WRITE32(OP_DELEGRETURN); |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 1363 | WRITEMEM(stateid->data, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1364 | return 0; |
| 1365 | |
| 1366 | } |
| 1367 | /* |
| 1368 | * END OF "GENERIC" ENCODE ROUTINES. |
| 1369 | */ |
| 1370 | |
| 1371 | /* |
| 1372 | * Encode an ACCESS request |
| 1373 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1374 | static int nfs4_xdr_enc_access(struct rpc_rqst *req, __be32 *p, const struct nfs4_accessargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1375 | { |
| 1376 | struct xdr_stream xdr; |
| 1377 | struct compound_hdr hdr = { |
| 1378 | .nops = 2, |
| 1379 | }; |
| 1380 | int status; |
| 1381 | |
| 1382 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1383 | encode_compound_hdr(&xdr, &hdr); |
| 1384 | if ((status = encode_putfh(&xdr, args->fh)) == 0) |
| 1385 | status = encode_access(&xdr, args->access); |
| 1386 | return status; |
| 1387 | } |
| 1388 | |
| 1389 | /* |
| 1390 | * Encode LOOKUP request |
| 1391 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1392 | static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1393 | { |
| 1394 | struct xdr_stream xdr; |
| 1395 | struct compound_hdr hdr = { |
| 1396 | .nops = 4, |
| 1397 | }; |
| 1398 | int status; |
| 1399 | |
| 1400 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1401 | encode_compound_hdr(&xdr, &hdr); |
| 1402 | if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) |
| 1403 | goto out; |
| 1404 | if ((status = encode_lookup(&xdr, args->name)) != 0) |
| 1405 | goto out; |
| 1406 | if ((status = encode_getfh(&xdr)) != 0) |
| 1407 | goto out; |
| 1408 | status = encode_getfattr(&xdr, args->bitmask); |
| 1409 | out: |
| 1410 | return status; |
| 1411 | } |
| 1412 | |
| 1413 | /* |
| 1414 | * Encode LOOKUP_ROOT request |
| 1415 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1416 | static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_root_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1417 | { |
| 1418 | struct xdr_stream xdr; |
| 1419 | struct compound_hdr hdr = { |
| 1420 | .nops = 3, |
| 1421 | }; |
| 1422 | int status; |
| 1423 | |
| 1424 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1425 | encode_compound_hdr(&xdr, &hdr); |
| 1426 | if ((status = encode_putrootfh(&xdr)) != 0) |
| 1427 | goto out; |
| 1428 | if ((status = encode_getfh(&xdr)) == 0) |
| 1429 | status = encode_getfattr(&xdr, args->bitmask); |
| 1430 | out: |
| 1431 | return status; |
| 1432 | } |
| 1433 | |
| 1434 | /* |
| 1435 | * Encode REMOVE request |
| 1436 | */ |
Trond Myklebust | 4fdc17b | 2007-07-14 15:39:57 -0400 | [diff] [blame] | 1437 | static int nfs4_xdr_enc_remove(struct rpc_rqst *req, __be32 *p, const struct nfs_removeargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1438 | { |
| 1439 | struct xdr_stream xdr; |
| 1440 | struct compound_hdr hdr = { |
Trond Myklebust | 16e4295 | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 1441 | .nops = 3, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1442 | }; |
| 1443 | int status; |
| 1444 | |
| 1445 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1446 | encode_compound_hdr(&xdr, &hdr); |
Trond Myklebust | 16e4295 | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 1447 | if ((status = encode_putfh(&xdr, args->fh)) != 0) |
| 1448 | goto out; |
Trond Myklebust | 4fdc17b | 2007-07-14 15:39:57 -0400 | [diff] [blame] | 1449 | if ((status = encode_remove(&xdr, &args->name)) != 0) |
Trond Myklebust | 16e4295 | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 1450 | goto out; |
| 1451 | status = encode_getfattr(&xdr, args->bitmask); |
| 1452 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1453 | return status; |
| 1454 | } |
| 1455 | |
| 1456 | /* |
| 1457 | * Encode RENAME request |
| 1458 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1459 | static int nfs4_xdr_enc_rename(struct rpc_rqst *req, __be32 *p, const struct nfs4_rename_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1460 | { |
| 1461 | struct xdr_stream xdr; |
| 1462 | struct compound_hdr hdr = { |
Trond Myklebust | 6caf2c8 | 2005-10-27 22:12:43 -0400 | [diff] [blame] | 1463 | .nops = 7, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1464 | }; |
| 1465 | int status; |
| 1466 | |
| 1467 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1468 | encode_compound_hdr(&xdr, &hdr); |
| 1469 | if ((status = encode_putfh(&xdr, args->old_dir)) != 0) |
| 1470 | goto out; |
| 1471 | if ((status = encode_savefh(&xdr)) != 0) |
| 1472 | goto out; |
| 1473 | if ((status = encode_putfh(&xdr, args->new_dir)) != 0) |
| 1474 | goto out; |
Trond Myklebust | 6caf2c8 | 2005-10-27 22:12:43 -0400 | [diff] [blame] | 1475 | if ((status = encode_rename(&xdr, args->old_name, args->new_name)) != 0) |
| 1476 | goto out; |
| 1477 | if ((status = encode_getfattr(&xdr, args->bitmask)) != 0) |
| 1478 | goto out; |
| 1479 | if ((status = encode_restorefh(&xdr)) != 0) |
| 1480 | goto out; |
| 1481 | status = encode_getfattr(&xdr, args->bitmask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1482 | out: |
| 1483 | return status; |
| 1484 | } |
| 1485 | |
| 1486 | /* |
| 1487 | * Encode LINK request |
| 1488 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1489 | static int nfs4_xdr_enc_link(struct rpc_rqst *req, __be32 *p, const struct nfs4_link_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1490 | { |
| 1491 | struct xdr_stream xdr; |
| 1492 | struct compound_hdr hdr = { |
Trond Myklebust | 91ba2ee | 2005-10-27 22:12:42 -0400 | [diff] [blame] | 1493 | .nops = 7, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1494 | }; |
| 1495 | int status; |
| 1496 | |
| 1497 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1498 | encode_compound_hdr(&xdr, &hdr); |
| 1499 | if ((status = encode_putfh(&xdr, args->fh)) != 0) |
| 1500 | goto out; |
| 1501 | if ((status = encode_savefh(&xdr)) != 0) |
| 1502 | goto out; |
| 1503 | if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) |
| 1504 | goto out; |
Trond Myklebust | 91ba2ee | 2005-10-27 22:12:42 -0400 | [diff] [blame] | 1505 | if ((status = encode_link(&xdr, args->name)) != 0) |
| 1506 | goto out; |
| 1507 | if ((status = encode_getfattr(&xdr, args->bitmask)) != 0) |
| 1508 | goto out; |
| 1509 | if ((status = encode_restorefh(&xdr)) != 0) |
| 1510 | goto out; |
| 1511 | status = encode_getfattr(&xdr, args->bitmask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1512 | out: |
| 1513 | return status; |
| 1514 | } |
| 1515 | |
| 1516 | /* |
| 1517 | * Encode CREATE request |
| 1518 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1519 | static int nfs4_xdr_enc_create(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1520 | { |
| 1521 | struct xdr_stream xdr; |
| 1522 | struct compound_hdr hdr = { |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 1523 | .nops = 7, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1524 | }; |
| 1525 | int status; |
| 1526 | |
| 1527 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1528 | encode_compound_hdr(&xdr, &hdr); |
| 1529 | if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) |
| 1530 | goto out; |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 1531 | if ((status = encode_savefh(&xdr)) != 0) |
| 1532 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1533 | if ((status = encode_create(&xdr, args)) != 0) |
| 1534 | goto out; |
| 1535 | if ((status = encode_getfh(&xdr)) != 0) |
| 1536 | goto out; |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 1537 | if ((status = encode_getfattr(&xdr, args->bitmask)) != 0) |
| 1538 | goto out; |
| 1539 | if ((status = encode_restorefh(&xdr)) != 0) |
| 1540 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1541 | status = encode_getfattr(&xdr, args->bitmask); |
| 1542 | out: |
| 1543 | return status; |
| 1544 | } |
| 1545 | |
| 1546 | /* |
| 1547 | * Encode SYMLINK request |
| 1548 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1549 | static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1550 | { |
| 1551 | return nfs4_xdr_enc_create(req, p, args); |
| 1552 | } |
| 1553 | |
| 1554 | /* |
| 1555 | * Encode GETATTR request |
| 1556 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1557 | static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, __be32 *p, const struct nfs4_getattr_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1558 | { |
| 1559 | struct xdr_stream xdr; |
| 1560 | struct compound_hdr hdr = { |
| 1561 | .nops = 2, |
| 1562 | }; |
| 1563 | int status; |
| 1564 | |
| 1565 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1566 | encode_compound_hdr(&xdr, &hdr); |
| 1567 | if ((status = encode_putfh(&xdr, args->fh)) == 0) |
| 1568 | status = encode_getfattr(&xdr, args->bitmask); |
| 1569 | return status; |
| 1570 | } |
| 1571 | |
| 1572 | /* |
| 1573 | * Encode a CLOSE request |
| 1574 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1575 | static int nfs4_xdr_enc_close(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1576 | { |
| 1577 | struct xdr_stream xdr; |
| 1578 | struct compound_hdr hdr = { |
Trond Myklebust | 516a6af | 2005-10-27 22:12:41 -0400 | [diff] [blame] | 1579 | .nops = 3, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1580 | }; |
| 1581 | int status; |
| 1582 | |
| 1583 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1584 | encode_compound_hdr(&xdr, &hdr); |
| 1585 | status = encode_putfh(&xdr, args->fh); |
| 1586 | if(status) |
| 1587 | goto out; |
| 1588 | status = encode_close(&xdr, args); |
Trond Myklebust | 516a6af | 2005-10-27 22:12:41 -0400 | [diff] [blame] | 1589 | if (status != 0) |
| 1590 | goto out; |
| 1591 | status = encode_getfattr(&xdr, args->bitmask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1592 | out: |
| 1593 | return status; |
| 1594 | } |
| 1595 | |
| 1596 | /* |
| 1597 | * Encode an OPEN request |
| 1598 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1599 | static int nfs4_xdr_enc_open(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1600 | { |
| 1601 | struct xdr_stream xdr; |
| 1602 | struct compound_hdr hdr = { |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 1603 | .nops = 7, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1604 | }; |
| 1605 | int status; |
| 1606 | |
| 1607 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1608 | encode_compound_hdr(&xdr, &hdr); |
| 1609 | status = encode_putfh(&xdr, args->fh); |
| 1610 | if (status) |
| 1611 | goto out; |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 1612 | status = encode_savefh(&xdr); |
| 1613 | if (status) |
| 1614 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1615 | status = encode_open(&xdr, args); |
| 1616 | if (status) |
| 1617 | goto out; |
| 1618 | status = encode_getfh(&xdr); |
| 1619 | if (status) |
| 1620 | goto out; |
| 1621 | status = encode_getfattr(&xdr, args->bitmask); |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 1622 | if (status) |
| 1623 | goto out; |
| 1624 | status = encode_restorefh(&xdr); |
| 1625 | if (status) |
| 1626 | goto out; |
| 1627 | status = encode_getfattr(&xdr, args->bitmask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1628 | out: |
| 1629 | return status; |
| 1630 | } |
| 1631 | |
| 1632 | /* |
| 1633 | * Encode an OPEN_CONFIRM request |
| 1634 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1635 | static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_open_confirmargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1636 | { |
| 1637 | struct xdr_stream xdr; |
| 1638 | struct compound_hdr hdr = { |
| 1639 | .nops = 2, |
| 1640 | }; |
| 1641 | int status; |
| 1642 | |
| 1643 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1644 | encode_compound_hdr(&xdr, &hdr); |
| 1645 | status = encode_putfh(&xdr, args->fh); |
| 1646 | if(status) |
| 1647 | goto out; |
| 1648 | status = encode_open_confirm(&xdr, args); |
| 1649 | out: |
| 1650 | return status; |
| 1651 | } |
| 1652 | |
| 1653 | /* |
| 1654 | * Encode an OPEN request with no attributes. |
| 1655 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1656 | static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1657 | { |
| 1658 | struct xdr_stream xdr; |
| 1659 | struct compound_hdr hdr = { |
Trond Myklebust | 864472e | 2006-01-03 09:55:15 +0100 | [diff] [blame] | 1660 | .nops = 3, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1661 | }; |
| 1662 | int status; |
| 1663 | |
| 1664 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1665 | encode_compound_hdr(&xdr, &hdr); |
| 1666 | status = encode_putfh(&xdr, args->fh); |
| 1667 | if (status) |
| 1668 | goto out; |
| 1669 | status = encode_open(&xdr, args); |
Trond Myklebust | 864472e | 2006-01-03 09:55:15 +0100 | [diff] [blame] | 1670 | if (status) |
| 1671 | goto out; |
| 1672 | status = encode_getfattr(&xdr, args->bitmask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1673 | out: |
| 1674 | return status; |
| 1675 | } |
| 1676 | |
| 1677 | /* |
| 1678 | * Encode an OPEN_DOWNGRADE request |
| 1679 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1680 | static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1681 | { |
| 1682 | struct xdr_stream xdr; |
| 1683 | struct compound_hdr hdr = { |
Trond Myklebust | 516a6af | 2005-10-27 22:12:41 -0400 | [diff] [blame] | 1684 | .nops = 3, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1685 | }; |
| 1686 | int status; |
| 1687 | |
| 1688 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1689 | encode_compound_hdr(&xdr, &hdr); |
| 1690 | status = encode_putfh(&xdr, args->fh); |
| 1691 | if (status) |
| 1692 | goto out; |
| 1693 | status = encode_open_downgrade(&xdr, args); |
Trond Myklebust | 516a6af | 2005-10-27 22:12:41 -0400 | [diff] [blame] | 1694 | if (status != 0) |
| 1695 | goto out; |
| 1696 | status = encode_getfattr(&xdr, args->bitmask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1697 | out: |
| 1698 | return status; |
| 1699 | } |
| 1700 | |
| 1701 | /* |
| 1702 | * Encode a LOCK request |
| 1703 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1704 | static int nfs4_xdr_enc_lock(struct rpc_rqst *req, __be32 *p, struct nfs_lock_args *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1705 | { |
| 1706 | struct xdr_stream xdr; |
| 1707 | struct compound_hdr hdr = { |
| 1708 | .nops = 2, |
| 1709 | }; |
| 1710 | int status; |
| 1711 | |
| 1712 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1713 | encode_compound_hdr(&xdr, &hdr); |
| 1714 | status = encode_putfh(&xdr, args->fh); |
| 1715 | if(status) |
| 1716 | goto out; |
| 1717 | status = encode_lock(&xdr, args); |
| 1718 | out: |
| 1719 | return status; |
| 1720 | } |
| 1721 | |
| 1722 | /* |
| 1723 | * Encode a LOCKT request |
| 1724 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1725 | static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, __be32 *p, struct nfs_lockt_args *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1726 | { |
| 1727 | struct xdr_stream xdr; |
| 1728 | struct compound_hdr hdr = { |
| 1729 | .nops = 2, |
| 1730 | }; |
| 1731 | int status; |
| 1732 | |
| 1733 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1734 | encode_compound_hdr(&xdr, &hdr); |
| 1735 | status = encode_putfh(&xdr, args->fh); |
| 1736 | if(status) |
| 1737 | goto out; |
| 1738 | status = encode_lockt(&xdr, args); |
| 1739 | out: |
| 1740 | return status; |
| 1741 | } |
| 1742 | |
| 1743 | /* |
| 1744 | * Encode a LOCKU request |
| 1745 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1746 | static int nfs4_xdr_enc_locku(struct rpc_rqst *req, __be32 *p, struct nfs_locku_args *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1747 | { |
| 1748 | struct xdr_stream xdr; |
| 1749 | struct compound_hdr hdr = { |
| 1750 | .nops = 2, |
| 1751 | }; |
| 1752 | int status; |
| 1753 | |
| 1754 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1755 | encode_compound_hdr(&xdr, &hdr); |
| 1756 | status = encode_putfh(&xdr, args->fh); |
| 1757 | if(status) |
| 1758 | goto out; |
| 1759 | status = encode_locku(&xdr, args); |
| 1760 | out: |
| 1761 | return status; |
| 1762 | } |
| 1763 | |
| 1764 | /* |
| 1765 | * Encode a READLINK request |
| 1766 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1767 | static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_readlink *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1768 | { |
| 1769 | struct xdr_stream xdr; |
| 1770 | struct compound_hdr hdr = { |
| 1771 | .nops = 2, |
| 1772 | }; |
Trond Myklebust | e3a535e | 2007-07-19 10:03:38 -0400 | [diff] [blame] | 1773 | struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; |
| 1774 | unsigned int replen; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1775 | int status; |
| 1776 | |
| 1777 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1778 | encode_compound_hdr(&xdr, &hdr); |
| 1779 | status = encode_putfh(&xdr, args->fh); |
| 1780 | if(status) |
| 1781 | goto out; |
| 1782 | status = encode_readlink(&xdr, args, req); |
Trond Myklebust | e3a535e | 2007-07-19 10:03:38 -0400 | [diff] [blame] | 1783 | |
| 1784 | /* set up reply kvec |
| 1785 | * toplevel_status + taglen + rescount + OP_PUTFH + status |
| 1786 | * + OP_READLINK + status + string length = 8 |
| 1787 | */ |
| 1788 | replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_readlink_sz) << 2; |
| 1789 | xdr_inline_pages(&req->rq_rcv_buf, replen, args->pages, |
| 1790 | args->pgbase, args->pglen); |
| 1791 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1792 | out: |
| 1793 | return status; |
| 1794 | } |
| 1795 | |
| 1796 | /* |
| 1797 | * Encode a READDIR request |
| 1798 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1799 | static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, __be32 *p, const struct nfs4_readdir_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1800 | { |
| 1801 | struct xdr_stream xdr; |
| 1802 | struct compound_hdr hdr = { |
| 1803 | .nops = 2, |
| 1804 | }; |
Trond Myklebust | d6ac02d | 2007-07-19 10:03:37 -0400 | [diff] [blame] | 1805 | struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; |
| 1806 | int replen; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1807 | int status; |
| 1808 | |
| 1809 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1810 | encode_compound_hdr(&xdr, &hdr); |
| 1811 | status = encode_putfh(&xdr, args->fh); |
| 1812 | if(status) |
| 1813 | goto out; |
| 1814 | status = encode_readdir(&xdr, args, req); |
Trond Myklebust | d6ac02d | 2007-07-19 10:03:37 -0400 | [diff] [blame] | 1815 | |
| 1816 | /* set up reply kvec |
| 1817 | * toplevel_status + taglen + rescount + OP_PUTFH + status |
| 1818 | * + OP_READDIR + status + verifer(2) = 9 |
| 1819 | */ |
| 1820 | replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_readdir_sz) << 2; |
| 1821 | xdr_inline_pages(&req->rq_rcv_buf, replen, args->pages, |
| 1822 | args->pgbase, args->count); |
| 1823 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", |
| 1824 | __FUNCTION__, replen, args->pages, |
| 1825 | args->pgbase, args->count); |
| 1826 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1827 | out: |
| 1828 | return status; |
| 1829 | } |
| 1830 | |
| 1831 | /* |
| 1832 | * Encode a READ request |
| 1833 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1834 | static int nfs4_xdr_enc_read(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1835 | { |
Trond Myklebust | 1be27f3 | 2007-06-27 14:29:04 -0400 | [diff] [blame] | 1836 | struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1837 | struct xdr_stream xdr; |
| 1838 | struct compound_hdr hdr = { |
| 1839 | .nops = 2, |
| 1840 | }; |
| 1841 | int replen, status; |
| 1842 | |
| 1843 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1844 | encode_compound_hdr(&xdr, &hdr); |
| 1845 | status = encode_putfh(&xdr, args->fh); |
| 1846 | if (status) |
| 1847 | goto out; |
| 1848 | status = encode_read(&xdr, args); |
| 1849 | if (status) |
| 1850 | goto out; |
| 1851 | |
| 1852 | /* set up reply kvec |
| 1853 | * toplevel status + taglen=0 + rescount + OP_PUTFH + status |
| 1854 | * + OP_READ + status + eof + datalen = 9 |
| 1855 | */ |
| 1856 | replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_read_sz) << 2; |
| 1857 | xdr_inline_pages(&req->rq_rcv_buf, replen, |
| 1858 | args->pages, args->pgbase, args->count); |
| 1859 | out: |
| 1860 | return status; |
| 1861 | } |
| 1862 | |
| 1863 | /* |
| 1864 | * Encode an SETATTR request |
| 1865 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1866 | static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, __be32 *p, struct nfs_setattrargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1867 | |
| 1868 | { |
| 1869 | struct xdr_stream xdr; |
| 1870 | struct compound_hdr hdr = { |
| 1871 | .nops = 3, |
| 1872 | }; |
| 1873 | int status; |
| 1874 | |
| 1875 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1876 | encode_compound_hdr(&xdr, &hdr); |
| 1877 | status = encode_putfh(&xdr, args->fh); |
| 1878 | if(status) |
| 1879 | goto out; |
| 1880 | status = encode_setattr(&xdr, args, args->server); |
| 1881 | if(status) |
| 1882 | goto out; |
| 1883 | status = encode_getfattr(&xdr, args->bitmask); |
| 1884 | out: |
| 1885 | return status; |
| 1886 | } |
| 1887 | |
| 1888 | /* |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 1889 | * Encode a GETACL request |
| 1890 | */ |
| 1891 | static int |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1892 | nfs4_xdr_enc_getacl(struct rpc_rqst *req, __be32 *p, |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 1893 | struct nfs_getaclargs *args) |
| 1894 | { |
| 1895 | struct xdr_stream xdr; |
Trond Myklebust | 1be27f3 | 2007-06-27 14:29:04 -0400 | [diff] [blame] | 1896 | struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 1897 | struct compound_hdr hdr = { |
| 1898 | .nops = 2, |
| 1899 | }; |
| 1900 | int replen, status; |
| 1901 | |
| 1902 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1903 | encode_compound_hdr(&xdr, &hdr); |
| 1904 | status = encode_putfh(&xdr, args->fh); |
| 1905 | if (status) |
| 1906 | goto out; |
| 1907 | status = encode_getattr_two(&xdr, FATTR4_WORD0_ACL, 0); |
| 1908 | /* set up reply buffer: */ |
| 1909 | replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_getacl_sz) << 2; |
| 1910 | xdr_inline_pages(&req->rq_rcv_buf, replen, |
| 1911 | args->acl_pages, args->acl_pgbase, args->acl_len); |
| 1912 | out: |
| 1913 | return status; |
| 1914 | } |
| 1915 | |
| 1916 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1917 | * Encode a WRITE request |
| 1918 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1919 | static int nfs4_xdr_enc_write(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1920 | { |
| 1921 | struct xdr_stream xdr; |
| 1922 | struct compound_hdr hdr = { |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 1923 | .nops = 3, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1924 | }; |
| 1925 | int status; |
| 1926 | |
| 1927 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1928 | encode_compound_hdr(&xdr, &hdr); |
| 1929 | status = encode_putfh(&xdr, args->fh); |
| 1930 | if (status) |
| 1931 | goto out; |
| 1932 | status = encode_write(&xdr, args); |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 1933 | if (status) |
| 1934 | goto out; |
| 1935 | status = encode_getfattr(&xdr, args->bitmask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1936 | out: |
| 1937 | return status; |
| 1938 | } |
| 1939 | |
| 1940 | /* |
| 1941 | * a COMMIT request |
| 1942 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1943 | static int nfs4_xdr_enc_commit(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1944 | { |
| 1945 | struct xdr_stream xdr; |
| 1946 | struct compound_hdr hdr = { |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 1947 | .nops = 3, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1948 | }; |
| 1949 | int status; |
| 1950 | |
| 1951 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1952 | encode_compound_hdr(&xdr, &hdr); |
| 1953 | status = encode_putfh(&xdr, args->fh); |
| 1954 | if (status) |
| 1955 | goto out; |
| 1956 | status = encode_commit(&xdr, args); |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 1957 | if (status) |
| 1958 | goto out; |
| 1959 | status = encode_getfattr(&xdr, args->bitmask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1960 | out: |
| 1961 | return status; |
| 1962 | } |
| 1963 | |
| 1964 | /* |
| 1965 | * FSINFO request |
| 1966 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1967 | static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs4_fsinfo_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1968 | { |
| 1969 | struct xdr_stream xdr; |
| 1970 | struct compound_hdr hdr = { |
| 1971 | .nops = 2, |
| 1972 | }; |
| 1973 | int status; |
| 1974 | |
| 1975 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1976 | encode_compound_hdr(&xdr, &hdr); |
| 1977 | status = encode_putfh(&xdr, args->fh); |
| 1978 | if (!status) |
| 1979 | status = encode_fsinfo(&xdr, args->bitmask); |
| 1980 | return status; |
| 1981 | } |
| 1982 | |
| 1983 | /* |
| 1984 | * a PATHCONF request |
| 1985 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1986 | static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, __be32 *p, const struct nfs4_pathconf_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1987 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1988 | struct xdr_stream xdr; |
| 1989 | struct compound_hdr hdr = { |
| 1990 | .nops = 2, |
| 1991 | }; |
| 1992 | int status; |
| 1993 | |
| 1994 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 1995 | encode_compound_hdr(&xdr, &hdr); |
| 1996 | status = encode_putfh(&xdr, args->fh); |
| 1997 | if (!status) |
| 1998 | status = encode_getattr_one(&xdr, |
| 1999 | args->bitmask[0] & nfs4_pathconf_bitmap[0]); |
| 2000 | return status; |
| 2001 | } |
| 2002 | |
| 2003 | /* |
| 2004 | * a STATFS request |
| 2005 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2006 | static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, __be32 *p, const struct nfs4_statfs_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2007 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2008 | struct xdr_stream xdr; |
| 2009 | struct compound_hdr hdr = { |
| 2010 | .nops = 2, |
| 2011 | }; |
| 2012 | int status; |
| 2013 | |
| 2014 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 2015 | encode_compound_hdr(&xdr, &hdr); |
| 2016 | status = encode_putfh(&xdr, args->fh); |
| 2017 | if (status == 0) |
| 2018 | status = encode_getattr_two(&xdr, |
| 2019 | args->bitmask[0] & nfs4_statfs_bitmap[0], |
| 2020 | args->bitmask[1] & nfs4_statfs_bitmap[1]); |
| 2021 | return status; |
| 2022 | } |
| 2023 | |
| 2024 | /* |
| 2025 | * GETATTR_BITMAP request |
| 2026 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2027 | static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, __be32 *p, const struct nfs_fh *fhandle) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2028 | { |
| 2029 | struct xdr_stream xdr; |
| 2030 | struct compound_hdr hdr = { |
| 2031 | .nops = 2, |
| 2032 | }; |
| 2033 | int status; |
| 2034 | |
| 2035 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 2036 | encode_compound_hdr(&xdr, &hdr); |
| 2037 | status = encode_putfh(&xdr, fhandle); |
| 2038 | if (status == 0) |
| 2039 | status = encode_getattr_one(&xdr, FATTR4_WORD0_SUPPORTED_ATTRS| |
| 2040 | FATTR4_WORD0_LINK_SUPPORT| |
| 2041 | FATTR4_WORD0_SYMLINK_SUPPORT| |
| 2042 | FATTR4_WORD0_ACLSUPPORT); |
| 2043 | return status; |
| 2044 | } |
| 2045 | |
| 2046 | /* |
| 2047 | * a RENEW request |
| 2048 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2049 | static int nfs4_xdr_enc_renew(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2050 | { |
| 2051 | struct xdr_stream xdr; |
| 2052 | struct compound_hdr hdr = { |
| 2053 | .nops = 1, |
| 2054 | }; |
| 2055 | |
| 2056 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 2057 | encode_compound_hdr(&xdr, &hdr); |
| 2058 | return encode_renew(&xdr, clp); |
| 2059 | } |
| 2060 | |
| 2061 | /* |
| 2062 | * a SETCLIENTID request |
| 2063 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2064 | static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, __be32 *p, struct nfs4_setclientid *sc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2065 | { |
| 2066 | struct xdr_stream xdr; |
| 2067 | struct compound_hdr hdr = { |
| 2068 | .nops = 1, |
| 2069 | }; |
| 2070 | |
| 2071 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 2072 | encode_compound_hdr(&xdr, &hdr); |
| 2073 | return encode_setclientid(&xdr, sc); |
| 2074 | } |
| 2075 | |
| 2076 | /* |
| 2077 | * a SETCLIENTID_CONFIRM request |
| 2078 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2079 | static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2080 | { |
| 2081 | struct xdr_stream xdr; |
| 2082 | struct compound_hdr hdr = { |
| 2083 | .nops = 3, |
| 2084 | }; |
| 2085 | const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; |
| 2086 | int status; |
| 2087 | |
| 2088 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 2089 | encode_compound_hdr(&xdr, &hdr); |
| 2090 | status = encode_setclientid_confirm(&xdr, clp); |
| 2091 | if (!status) |
| 2092 | status = encode_putrootfh(&xdr); |
| 2093 | if (!status) |
| 2094 | status = encode_fsinfo(&xdr, lease_bitmap); |
| 2095 | return status; |
| 2096 | } |
| 2097 | |
| 2098 | /* |
| 2099 | * DELEGRETURN request |
| 2100 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2101 | static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, __be32 *p, const struct nfs4_delegreturnargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2102 | { |
| 2103 | struct xdr_stream xdr; |
| 2104 | struct compound_hdr hdr = { |
Trond Myklebust | fa178f2 | 2006-01-03 09:55:38 +0100 | [diff] [blame] | 2105 | .nops = 3, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2106 | }; |
| 2107 | int status; |
| 2108 | |
| 2109 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 2110 | encode_compound_hdr(&xdr, &hdr); |
Trond Myklebust | fa178f2 | 2006-01-03 09:55:38 +0100 | [diff] [blame] | 2111 | status = encode_putfh(&xdr, args->fhandle); |
| 2112 | if (status != 0) |
| 2113 | goto out; |
| 2114 | status = encode_delegreturn(&xdr, args->stateid); |
| 2115 | if (status != 0) |
| 2116 | goto out; |
| 2117 | status = encode_getfattr(&xdr, args->bitmask); |
| 2118 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2119 | return status; |
| 2120 | } |
| 2121 | |
| 2122 | /* |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2123 | * Encode FS_LOCATIONS request |
| 2124 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2125 | static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs4_fs_locations_arg *args) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2126 | { |
| 2127 | struct xdr_stream xdr; |
| 2128 | struct compound_hdr hdr = { |
| 2129 | .nops = 3, |
| 2130 | }; |
Trond Myklebust | 1be27f3 | 2007-06-27 14:29:04 -0400 | [diff] [blame] | 2131 | struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2132 | int replen; |
| 2133 | int status; |
| 2134 | |
| 2135 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 2136 | encode_compound_hdr(&xdr, &hdr); |
| 2137 | if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) |
| 2138 | goto out; |
| 2139 | if ((status = encode_lookup(&xdr, args->name)) != 0) |
| 2140 | goto out; |
Manoj Naik | 830b8e3 | 2006-06-09 09:34:25 -0400 | [diff] [blame] | 2141 | if ((status = encode_fs_locations(&xdr, args->bitmask)) != 0) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2142 | goto out; |
| 2143 | /* set up reply |
Manoj Naik | 830b8e3 | 2006-06-09 09:34:25 -0400 | [diff] [blame] | 2144 | * toplevel_status + OP_PUTFH + status |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2145 | * + OP_LOOKUP + status + OP_GETATTR + status = 7 |
| 2146 | */ |
| 2147 | replen = (RPC_REPHDRSIZE + auth->au_rslack + 7) << 2; |
| 2148 | xdr_inline_pages(&req->rq_rcv_buf, replen, &args->page, |
| 2149 | 0, PAGE_SIZE); |
| 2150 | out: |
| 2151 | return status; |
| 2152 | } |
| 2153 | |
| 2154 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2155 | * START OF "GENERIC" DECODE ROUTINES. |
| 2156 | * These may look a little ugly since they are imported from a "generic" |
| 2157 | * set of XDR encode/decode routines which are intended to be shared by |
| 2158 | * all of our NFSv4 implementations (OpenBSD, MacOS X...). |
| 2159 | * |
| 2160 | * If the pain of reading these is too great, it should be a straightforward |
| 2161 | * task to translate them into Linux-specific versions which are more |
| 2162 | * consistent with the style used in NFSv2/v3... |
| 2163 | */ |
| 2164 | #define READ32(x) (x) = ntohl(*p++) |
| 2165 | #define READ64(x) do { \ |
| 2166 | (x) = (u64)ntohl(*p++) << 32; \ |
| 2167 | (x) |= ntohl(*p++); \ |
| 2168 | } while (0) |
| 2169 | #define READTIME(x) do { \ |
| 2170 | p++; \ |
| 2171 | (x.tv_sec) = ntohl(*p++); \ |
| 2172 | (x.tv_nsec) = ntohl(*p++); \ |
| 2173 | } while (0) |
| 2174 | #define COPYMEM(x,nbytes) do { \ |
| 2175 | memcpy((x), p, nbytes); \ |
| 2176 | p += XDR_QUADLEN(nbytes); \ |
| 2177 | } while (0) |
| 2178 | |
| 2179 | #define READ_BUF(nbytes) do { \ |
| 2180 | p = xdr_inline_decode(xdr, nbytes); \ |
Chuck Lever | e4cc6ee | 2007-05-08 18:23:28 -0400 | [diff] [blame] | 2181 | if (unlikely(!p)) { \ |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame^] | 2182 | dprintk("nfs: %s: prematurely hit end of receive" \ |
Chuck Lever | e4cc6ee | 2007-05-08 18:23:28 -0400 | [diff] [blame] | 2183 | " buffer\n", __FUNCTION__); \ |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame^] | 2184 | dprintk("nfs: %s: xdr->p=%p, bytes=%u, xdr->end=%p\n", \ |
Chuck Lever | e4cc6ee | 2007-05-08 18:23:28 -0400 | [diff] [blame] | 2185 | __FUNCTION__, xdr->p, nbytes, xdr->end); \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2186 | return -EIO; \ |
| 2187 | } \ |
| 2188 | } while (0) |
| 2189 | |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2190 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2191 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2192 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2193 | |
| 2194 | READ_BUF(4); |
| 2195 | READ32(*len); |
| 2196 | READ_BUF(*len); |
| 2197 | *string = (char *)p; |
| 2198 | return 0; |
| 2199 | } |
| 2200 | |
| 2201 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) |
| 2202 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2203 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2204 | |
| 2205 | READ_BUF(8); |
| 2206 | READ32(hdr->status); |
| 2207 | READ32(hdr->taglen); |
| 2208 | |
| 2209 | READ_BUF(hdr->taglen + 4); |
| 2210 | hdr->tag = (char *)p; |
| 2211 | p += XDR_QUADLEN(hdr->taglen); |
| 2212 | READ32(hdr->nops); |
| 2213 | return 0; |
| 2214 | } |
| 2215 | |
| 2216 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) |
| 2217 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2218 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2219 | uint32_t opnum; |
| 2220 | int32_t nfserr; |
| 2221 | |
| 2222 | READ_BUF(8); |
| 2223 | READ32(opnum); |
| 2224 | if (opnum != expected) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame^] | 2225 | dprintk("nfs: Server returned operation" |
| 2226 | " %d but we issued a request for %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2227 | opnum, expected); |
| 2228 | return -EIO; |
| 2229 | } |
| 2230 | READ32(nfserr); |
| 2231 | if (nfserr != NFS_OK) |
David Howells | 0a8ea43 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 2232 | return -nfs4_stat_to_errno(nfserr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2233 | return 0; |
| 2234 | } |
| 2235 | |
| 2236 | /* Dummy routine */ |
David Howells | adfa6f9 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 2237 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2238 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2239 | __be32 *p; |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2240 | unsigned int strlen; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2241 | char *str; |
| 2242 | |
| 2243 | READ_BUF(12); |
| 2244 | return decode_opaque_inline(xdr, &strlen, &str); |
| 2245 | } |
| 2246 | |
| 2247 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) |
| 2248 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2249 | uint32_t bmlen; |
| 2250 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2251 | |
| 2252 | READ_BUF(4); |
| 2253 | READ32(bmlen); |
| 2254 | |
| 2255 | bitmap[0] = bitmap[1] = 0; |
| 2256 | READ_BUF((bmlen << 2)); |
| 2257 | if (bmlen > 0) { |
| 2258 | READ32(bitmap[0]); |
| 2259 | if (bmlen > 1) |
| 2260 | READ32(bitmap[1]); |
| 2261 | } |
| 2262 | return 0; |
| 2263 | } |
| 2264 | |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2265 | static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2266 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2267 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2268 | |
| 2269 | READ_BUF(4); |
| 2270 | READ32(*attrlen); |
| 2271 | *savep = xdr->p; |
| 2272 | return 0; |
| 2273 | } |
| 2274 | |
| 2275 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) |
| 2276 | { |
| 2277 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { |
| 2278 | decode_attr_bitmap(xdr, bitmask); |
| 2279 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
| 2280 | } else |
| 2281 | bitmask[0] = bitmask[1] = 0; |
| 2282 | dprintk("%s: bitmask=0x%x%x\n", __FUNCTION__, bitmask[0], bitmask[1]); |
| 2283 | return 0; |
| 2284 | } |
| 2285 | |
| 2286 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) |
| 2287 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2288 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2289 | |
| 2290 | *type = 0; |
| 2291 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) |
| 2292 | return -EIO; |
| 2293 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { |
| 2294 | READ_BUF(4); |
| 2295 | READ32(*type); |
| 2296 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
| 2297 | dprintk("%s: bad type %d\n", __FUNCTION__, *type); |
| 2298 | return -EIO; |
| 2299 | } |
| 2300 | bitmap[0] &= ~FATTR4_WORD0_TYPE; |
| 2301 | } |
| 2302 | dprintk("%s: type=0%o\n", __FUNCTION__, nfs_type2fmt[*type].nfs2type); |
| 2303 | return 0; |
| 2304 | } |
| 2305 | |
| 2306 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
| 2307 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2308 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2309 | |
| 2310 | *change = 0; |
| 2311 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) |
| 2312 | return -EIO; |
| 2313 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { |
| 2314 | READ_BUF(8); |
| 2315 | READ64(*change); |
| 2316 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
| 2317 | } |
| 2318 | dprintk("%s: change attribute=%Lu\n", __FUNCTION__, |
| 2319 | (unsigned long long)*change); |
| 2320 | return 0; |
| 2321 | } |
| 2322 | |
| 2323 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) |
| 2324 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2325 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2326 | |
| 2327 | *size = 0; |
| 2328 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) |
| 2329 | return -EIO; |
| 2330 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { |
| 2331 | READ_BUF(8); |
| 2332 | READ64(*size); |
| 2333 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
| 2334 | } |
| 2335 | dprintk("%s: file size=%Lu\n", __FUNCTION__, (unsigned long long)*size); |
| 2336 | return 0; |
| 2337 | } |
| 2338 | |
| 2339 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 2340 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2341 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2342 | |
| 2343 | *res = 0; |
| 2344 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) |
| 2345 | return -EIO; |
| 2346 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { |
| 2347 | READ_BUF(4); |
| 2348 | READ32(*res); |
| 2349 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
| 2350 | } |
| 2351 | dprintk("%s: link support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true"); |
| 2352 | return 0; |
| 2353 | } |
| 2354 | |
| 2355 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 2356 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2357 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2358 | |
| 2359 | *res = 0; |
| 2360 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) |
| 2361 | return -EIO; |
| 2362 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { |
| 2363 | READ_BUF(4); |
| 2364 | READ32(*res); |
| 2365 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
| 2366 | } |
| 2367 | dprintk("%s: symlink support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true"); |
| 2368 | return 0; |
| 2369 | } |
| 2370 | |
Trond Myklebust | 8b4bdcf | 2006-06-09 09:34:19 -0400 | [diff] [blame] | 2371 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2372 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2373 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2374 | |
| 2375 | fsid->major = 0; |
| 2376 | fsid->minor = 0; |
| 2377 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) |
| 2378 | return -EIO; |
| 2379 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { |
| 2380 | READ_BUF(16); |
| 2381 | READ64(fsid->major); |
| 2382 | READ64(fsid->minor); |
| 2383 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
| 2384 | } |
| 2385 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __FUNCTION__, |
| 2386 | (unsigned long long)fsid->major, |
| 2387 | (unsigned long long)fsid->minor); |
| 2388 | return 0; |
| 2389 | } |
| 2390 | |
| 2391 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 2392 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2393 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2394 | |
| 2395 | *res = 60; |
| 2396 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) |
| 2397 | return -EIO; |
| 2398 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { |
| 2399 | READ_BUF(4); |
| 2400 | READ32(*res); |
| 2401 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
| 2402 | } |
| 2403 | dprintk("%s: file size=%u\n", __FUNCTION__, (unsigned int)*res); |
| 2404 | return 0; |
| 2405 | } |
| 2406 | |
| 2407 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 2408 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2409 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2410 | |
| 2411 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; |
| 2412 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) |
| 2413 | return -EIO; |
| 2414 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { |
| 2415 | READ_BUF(4); |
| 2416 | READ32(*res); |
| 2417 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
| 2418 | } |
| 2419 | dprintk("%s: ACLs supported=%u\n", __FUNCTION__, (unsigned int)*res); |
| 2420 | return 0; |
| 2421 | } |
| 2422 | |
| 2423 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
| 2424 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2425 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2426 | |
| 2427 | *fileid = 0; |
| 2428 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) |
| 2429 | return -EIO; |
| 2430 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { |
| 2431 | READ_BUF(8); |
| 2432 | READ64(*fileid); |
| 2433 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
| 2434 | } |
| 2435 | dprintk("%s: fileid=%Lu\n", __FUNCTION__, (unsigned long long)*fileid); |
| 2436 | return 0; |
| 2437 | } |
| 2438 | |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 2439 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
| 2440 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2441 | __be32 *p; |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 2442 | |
| 2443 | *fileid = 0; |
| 2444 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) |
| 2445 | return -EIO; |
| 2446 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { |
| 2447 | READ_BUF(8); |
| 2448 | READ64(*fileid); |
| 2449 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
| 2450 | } |
| 2451 | dprintk("%s: fileid=%Lu\n", __FUNCTION__, (unsigned long long)*fileid); |
| 2452 | return 0; |
| 2453 | } |
| 2454 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2455 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 2456 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2457 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2458 | int status = 0; |
| 2459 | |
| 2460 | *res = 0; |
| 2461 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) |
| 2462 | return -EIO; |
| 2463 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { |
| 2464 | READ_BUF(8); |
| 2465 | READ64(*res); |
| 2466 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
| 2467 | } |
| 2468 | dprintk("%s: files avail=%Lu\n", __FUNCTION__, (unsigned long long)*res); |
| 2469 | return status; |
| 2470 | } |
| 2471 | |
| 2472 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 2473 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2474 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2475 | int status = 0; |
| 2476 | |
| 2477 | *res = 0; |
| 2478 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) |
| 2479 | return -EIO; |
| 2480 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { |
| 2481 | READ_BUF(8); |
| 2482 | READ64(*res); |
| 2483 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
| 2484 | } |
| 2485 | dprintk("%s: files free=%Lu\n", __FUNCTION__, (unsigned long long)*res); |
| 2486 | return status; |
| 2487 | } |
| 2488 | |
| 2489 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 2490 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2491 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2492 | int status = 0; |
| 2493 | |
| 2494 | *res = 0; |
| 2495 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) |
| 2496 | return -EIO; |
| 2497 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { |
| 2498 | READ_BUF(8); |
| 2499 | READ64(*res); |
| 2500 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
| 2501 | } |
| 2502 | dprintk("%s: files total=%Lu\n", __FUNCTION__, (unsigned long long)*res); |
| 2503 | return status; |
| 2504 | } |
| 2505 | |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 2506 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
| 2507 | { |
| 2508 | int n; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2509 | __be32 *p; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 2510 | int status = 0; |
| 2511 | |
| 2512 | READ_BUF(4); |
| 2513 | READ32(n); |
Andy Adamson | 33a43f2 | 2006-06-09 09:34:30 -0400 | [diff] [blame] | 2514 | if (n < 0) |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 2515 | goto out_eio; |
Andy Adamson | 33a43f2 | 2006-06-09 09:34:30 -0400 | [diff] [blame] | 2516 | if (n == 0) |
| 2517 | goto root_path; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 2518 | dprintk("path "); |
| 2519 | path->ncomponents = 0; |
| 2520 | while (path->ncomponents < n) { |
| 2521 | struct nfs4_string *component = &path->components[path->ncomponents]; |
| 2522 | status = decode_opaque_inline(xdr, &component->len, &component->data); |
| 2523 | if (unlikely(status != 0)) |
| 2524 | goto out_eio; |
| 2525 | if (path->ncomponents != n) |
| 2526 | dprintk("/"); |
| 2527 | dprintk("%s", component->data); |
| 2528 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) |
| 2529 | path->ncomponents++; |
| 2530 | else { |
| 2531 | dprintk("cannot parse %d components in path\n", n); |
| 2532 | goto out_eio; |
| 2533 | } |
| 2534 | } |
| 2535 | out: |
| 2536 | dprintk("\n"); |
| 2537 | return status; |
Andy Adamson | 33a43f2 | 2006-06-09 09:34:30 -0400 | [diff] [blame] | 2538 | root_path: |
| 2539 | /* a root pathname is sent as a zero component4 */ |
| 2540 | path->ncomponents = 1; |
| 2541 | path->components[0].len=0; |
| 2542 | path->components[0].data=NULL; |
| 2543 | dprintk("path /\n"); |
| 2544 | goto out; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 2545 | out_eio: |
| 2546 | dprintk(" status %d", status); |
| 2547 | status = -EIO; |
| 2548 | goto out; |
| 2549 | } |
| 2550 | |
| 2551 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2552 | { |
| 2553 | int n; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2554 | __be32 *p; |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2555 | int status = -EIO; |
| 2556 | |
| 2557 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) |
| 2558 | goto out; |
| 2559 | status = 0; |
| 2560 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) |
| 2561 | goto out; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 2562 | dprintk("%s: fsroot ", __FUNCTION__); |
| 2563 | status = decode_pathname(xdr, &res->fs_path); |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2564 | if (unlikely(status != 0)) |
| 2565 | goto out; |
| 2566 | READ_BUF(4); |
| 2567 | READ32(n); |
| 2568 | if (n <= 0) |
| 2569 | goto out_eio; |
| 2570 | res->nlocations = 0; |
| 2571 | while (res->nlocations < n) { |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 2572 | int m; |
| 2573 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2574 | |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 2575 | READ_BUF(4); |
| 2576 | READ32(m); |
| 2577 | if (m <= 0) |
| 2578 | goto out_eio; |
| 2579 | |
| 2580 | loc->nservers = 0; |
| 2581 | dprintk("%s: servers ", __FUNCTION__); |
| 2582 | while (loc->nservers < m) { |
| 2583 | struct nfs4_string *server = &loc->servers[loc->nservers]; |
| 2584 | status = decode_opaque_inline(xdr, &server->len, &server->data); |
| 2585 | if (unlikely(status != 0)) |
| 2586 | goto out_eio; |
| 2587 | dprintk("%s ", server->data); |
| 2588 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) |
| 2589 | loc->nservers++; |
| 2590 | else { |
| 2591 | int i; |
| 2592 | dprintk("%s: using first %d of %d servers returned for location %d\n", __FUNCTION__, NFS4_FS_LOCATION_MAXSERVERS, m, res->nlocations); |
| 2593 | for (i = loc->nservers; i < m; i++) { |
Trond Myklebust | 2e42c3e | 2007-05-14 17:20:41 -0400 | [diff] [blame] | 2594 | unsigned int len; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 2595 | char *data; |
| 2596 | status = decode_opaque_inline(xdr, &len, &data); |
| 2597 | if (unlikely(status != 0)) |
| 2598 | goto out_eio; |
| 2599 | } |
| 2600 | } |
| 2601 | } |
| 2602 | status = decode_pathname(xdr, &loc->rootpath); |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2603 | if (unlikely(status != 0)) |
| 2604 | goto out_eio; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 2605 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2606 | res->nlocations++; |
| 2607 | } |
| 2608 | out: |
| 2609 | dprintk("%s: fs_locations done, error = %d\n", __FUNCTION__, status); |
| 2610 | return status; |
| 2611 | out_eio: |
| 2612 | status = -EIO; |
| 2613 | goto out; |
| 2614 | } |
| 2615 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2616 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 2617 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2618 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2619 | int status = 0; |
| 2620 | |
| 2621 | *res = 0; |
| 2622 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) |
| 2623 | return -EIO; |
| 2624 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { |
| 2625 | READ_BUF(8); |
| 2626 | READ64(*res); |
| 2627 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
| 2628 | } |
| 2629 | dprintk("%s: maxfilesize=%Lu\n", __FUNCTION__, (unsigned long long)*res); |
| 2630 | return status; |
| 2631 | } |
| 2632 | |
| 2633 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) |
| 2634 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2635 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2636 | int status = 0; |
| 2637 | |
| 2638 | *maxlink = 1; |
| 2639 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) |
| 2640 | return -EIO; |
| 2641 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { |
| 2642 | READ_BUF(4); |
| 2643 | READ32(*maxlink); |
| 2644 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
| 2645 | } |
| 2646 | dprintk("%s: maxlink=%u\n", __FUNCTION__, *maxlink); |
| 2647 | return status; |
| 2648 | } |
| 2649 | |
| 2650 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) |
| 2651 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2652 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2653 | int status = 0; |
| 2654 | |
| 2655 | *maxname = 1024; |
| 2656 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) |
| 2657 | return -EIO; |
| 2658 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { |
| 2659 | READ_BUF(4); |
| 2660 | READ32(*maxname); |
| 2661 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
| 2662 | } |
| 2663 | dprintk("%s: maxname=%u\n", __FUNCTION__, *maxname); |
| 2664 | return status; |
| 2665 | } |
| 2666 | |
| 2667 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 2668 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2669 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2670 | int status = 0; |
| 2671 | |
| 2672 | *res = 1024; |
| 2673 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) |
| 2674 | return -EIO; |
| 2675 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { |
| 2676 | uint64_t maxread; |
| 2677 | READ_BUF(8); |
| 2678 | READ64(maxread); |
| 2679 | if (maxread > 0x7FFFFFFF) |
| 2680 | maxread = 0x7FFFFFFF; |
| 2681 | *res = (uint32_t)maxread; |
| 2682 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; |
| 2683 | } |
| 2684 | dprintk("%s: maxread=%lu\n", __FUNCTION__, (unsigned long)*res); |
| 2685 | return status; |
| 2686 | } |
| 2687 | |
| 2688 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 2689 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2690 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2691 | int status = 0; |
| 2692 | |
| 2693 | *res = 1024; |
| 2694 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) |
| 2695 | return -EIO; |
| 2696 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { |
| 2697 | uint64_t maxwrite; |
| 2698 | READ_BUF(8); |
| 2699 | READ64(maxwrite); |
| 2700 | if (maxwrite > 0x7FFFFFFF) |
| 2701 | maxwrite = 0x7FFFFFFF; |
| 2702 | *res = (uint32_t)maxwrite; |
| 2703 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; |
| 2704 | } |
| 2705 | dprintk("%s: maxwrite=%lu\n", __FUNCTION__, (unsigned long)*res); |
| 2706 | return status; |
| 2707 | } |
| 2708 | |
| 2709 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *mode) |
| 2710 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2711 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2712 | |
| 2713 | *mode = 0; |
| 2714 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) |
| 2715 | return -EIO; |
| 2716 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { |
| 2717 | READ_BUF(4); |
| 2718 | READ32(*mode); |
| 2719 | *mode &= ~S_IFMT; |
| 2720 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
| 2721 | } |
| 2722 | dprintk("%s: file mode=0%o\n", __FUNCTION__, (unsigned int)*mode); |
| 2723 | return 0; |
| 2724 | } |
| 2725 | |
| 2726 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) |
| 2727 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2728 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2729 | |
| 2730 | *nlink = 1; |
| 2731 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) |
| 2732 | return -EIO; |
| 2733 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { |
| 2734 | READ_BUF(4); |
| 2735 | READ32(*nlink); |
| 2736 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
| 2737 | } |
| 2738 | dprintk("%s: nlink=%u\n", __FUNCTION__, (unsigned int)*nlink); |
| 2739 | return 0; |
| 2740 | } |
| 2741 | |
Trond Myklebust | 2e42c3e | 2007-05-14 17:20:41 -0400 | [diff] [blame] | 2742 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *uid) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2743 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2744 | uint32_t len; |
| 2745 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2746 | |
| 2747 | *uid = -2; |
| 2748 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) |
| 2749 | return -EIO; |
| 2750 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { |
| 2751 | READ_BUF(4); |
| 2752 | READ32(len); |
| 2753 | READ_BUF(len); |
| 2754 | if (len < XDR_MAX_NETOBJ) { |
| 2755 | if (nfs_map_name_to_uid(clp, (char *)p, len, uid) != 0) |
| 2756 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
| 2757 | __FUNCTION__); |
| 2758 | } else |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame^] | 2759 | dprintk("%s: name too long (%u)!\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2760 | __FUNCTION__, len); |
| 2761 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
| 2762 | } |
| 2763 | dprintk("%s: uid=%d\n", __FUNCTION__, (int)*uid); |
| 2764 | return 0; |
| 2765 | } |
| 2766 | |
Trond Myklebust | 2e42c3e | 2007-05-14 17:20:41 -0400 | [diff] [blame] | 2767 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *gid) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2768 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2769 | uint32_t len; |
| 2770 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2771 | |
| 2772 | *gid = -2; |
| 2773 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) |
| 2774 | return -EIO; |
| 2775 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { |
| 2776 | READ_BUF(4); |
| 2777 | READ32(len); |
| 2778 | READ_BUF(len); |
| 2779 | if (len < XDR_MAX_NETOBJ) { |
| 2780 | if (nfs_map_group_to_gid(clp, (char *)p, len, gid) != 0) |
| 2781 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
| 2782 | __FUNCTION__); |
| 2783 | } else |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame^] | 2784 | dprintk("%s: name too long (%u)!\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2785 | __FUNCTION__, len); |
| 2786 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
| 2787 | } |
| 2788 | dprintk("%s: gid=%d\n", __FUNCTION__, (int)*gid); |
| 2789 | return 0; |
| 2790 | } |
| 2791 | |
| 2792 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) |
| 2793 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2794 | uint32_t major = 0, minor = 0; |
| 2795 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2796 | |
| 2797 | *rdev = MKDEV(0,0); |
| 2798 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) |
| 2799 | return -EIO; |
| 2800 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { |
| 2801 | dev_t tmp; |
| 2802 | |
| 2803 | READ_BUF(8); |
| 2804 | READ32(major); |
| 2805 | READ32(minor); |
| 2806 | tmp = MKDEV(major, minor); |
| 2807 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) |
| 2808 | *rdev = tmp; |
| 2809 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; |
| 2810 | } |
| 2811 | dprintk("%s: rdev=(0x%x:0x%x)\n", __FUNCTION__, major, minor); |
| 2812 | return 0; |
| 2813 | } |
| 2814 | |
| 2815 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 2816 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2817 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2818 | int status = 0; |
| 2819 | |
| 2820 | *res = 0; |
| 2821 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) |
| 2822 | return -EIO; |
| 2823 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { |
| 2824 | READ_BUF(8); |
| 2825 | READ64(*res); |
| 2826 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
| 2827 | } |
| 2828 | dprintk("%s: space avail=%Lu\n", __FUNCTION__, (unsigned long long)*res); |
| 2829 | return status; |
| 2830 | } |
| 2831 | |
| 2832 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 2833 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2834 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2835 | int status = 0; |
| 2836 | |
| 2837 | *res = 0; |
| 2838 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) |
| 2839 | return -EIO; |
| 2840 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { |
| 2841 | READ_BUF(8); |
| 2842 | READ64(*res); |
| 2843 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
| 2844 | } |
| 2845 | dprintk("%s: space free=%Lu\n", __FUNCTION__, (unsigned long long)*res); |
| 2846 | return status; |
| 2847 | } |
| 2848 | |
| 2849 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 2850 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2851 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2852 | int status = 0; |
| 2853 | |
| 2854 | *res = 0; |
| 2855 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) |
| 2856 | return -EIO; |
| 2857 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { |
| 2858 | READ_BUF(8); |
| 2859 | READ64(*res); |
| 2860 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
| 2861 | } |
| 2862 | dprintk("%s: space total=%Lu\n", __FUNCTION__, (unsigned long long)*res); |
| 2863 | return status; |
| 2864 | } |
| 2865 | |
| 2866 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) |
| 2867 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2868 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2869 | |
| 2870 | *used = 0; |
| 2871 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) |
| 2872 | return -EIO; |
| 2873 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { |
| 2874 | READ_BUF(8); |
| 2875 | READ64(*used); |
| 2876 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
| 2877 | } |
| 2878 | dprintk("%s: space used=%Lu\n", __FUNCTION__, |
| 2879 | (unsigned long long)*used); |
| 2880 | return 0; |
| 2881 | } |
| 2882 | |
| 2883 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) |
| 2884 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2885 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2886 | uint64_t sec; |
| 2887 | uint32_t nsec; |
| 2888 | |
| 2889 | READ_BUF(12); |
| 2890 | READ64(sec); |
| 2891 | READ32(nsec); |
| 2892 | time->tv_sec = (time_t)sec; |
| 2893 | time->tv_nsec = (long)nsec; |
| 2894 | return 0; |
| 2895 | } |
| 2896 | |
| 2897 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
| 2898 | { |
| 2899 | int status = 0; |
| 2900 | |
| 2901 | time->tv_sec = 0; |
| 2902 | time->tv_nsec = 0; |
| 2903 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) |
| 2904 | return -EIO; |
| 2905 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { |
| 2906 | status = decode_attr_time(xdr, time); |
| 2907 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
| 2908 | } |
| 2909 | dprintk("%s: atime=%ld\n", __FUNCTION__, (long)time->tv_sec); |
| 2910 | return status; |
| 2911 | } |
| 2912 | |
| 2913 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
| 2914 | { |
| 2915 | int status = 0; |
| 2916 | |
| 2917 | time->tv_sec = 0; |
| 2918 | time->tv_nsec = 0; |
| 2919 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) |
| 2920 | return -EIO; |
| 2921 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { |
| 2922 | status = decode_attr_time(xdr, time); |
| 2923 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
| 2924 | } |
| 2925 | dprintk("%s: ctime=%ld\n", __FUNCTION__, (long)time->tv_sec); |
| 2926 | return status; |
| 2927 | } |
| 2928 | |
| 2929 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
| 2930 | { |
| 2931 | int status = 0; |
| 2932 | |
| 2933 | time->tv_sec = 0; |
| 2934 | time->tv_nsec = 0; |
| 2935 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) |
| 2936 | return -EIO; |
| 2937 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { |
| 2938 | status = decode_attr_time(xdr, time); |
| 2939 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
| 2940 | } |
| 2941 | dprintk("%s: mtime=%ld\n", __FUNCTION__, (long)time->tv_sec); |
| 2942 | return status; |
| 2943 | } |
| 2944 | |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2945 | static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2946 | { |
| 2947 | unsigned int attrwords = XDR_QUADLEN(attrlen); |
| 2948 | unsigned int nwords = xdr->p - savep; |
| 2949 | |
| 2950 | if (unlikely(attrwords != nwords)) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame^] | 2951 | dprintk("%s: server returned incorrect attribute length: " |
| 2952 | "%u %c %u\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2953 | __FUNCTION__, |
| 2954 | attrwords << 2, |
| 2955 | (attrwords < nwords) ? '<' : '>', |
| 2956 | nwords << 2); |
| 2957 | return -EIO; |
| 2958 | } |
| 2959 | return 0; |
| 2960 | } |
| 2961 | |
| 2962 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) |
| 2963 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2964 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2965 | |
| 2966 | READ_BUF(20); |
| 2967 | READ32(cinfo->atomic); |
| 2968 | READ64(cinfo->before); |
| 2969 | READ64(cinfo->after); |
| 2970 | return 0; |
| 2971 | } |
| 2972 | |
| 2973 | static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) |
| 2974 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2975 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2976 | uint32_t supp, acc; |
| 2977 | int status; |
| 2978 | |
| 2979 | status = decode_op_hdr(xdr, OP_ACCESS); |
| 2980 | if (status) |
| 2981 | return status; |
| 2982 | READ_BUF(8); |
| 2983 | READ32(supp); |
| 2984 | READ32(acc); |
| 2985 | access->supported = supp; |
| 2986 | access->access = acc; |
| 2987 | return 0; |
| 2988 | } |
| 2989 | |
| 2990 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) |
| 2991 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2992 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2993 | int status; |
| 2994 | |
| 2995 | status = decode_op_hdr(xdr, OP_CLOSE); |
| 2996 | if (status) |
| 2997 | return status; |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 2998 | READ_BUF(NFS4_STATEID_SIZE); |
| 2999 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3000 | return 0; |
| 3001 | } |
| 3002 | |
| 3003 | static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res) |
| 3004 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3005 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3006 | int status; |
| 3007 | |
| 3008 | status = decode_op_hdr(xdr, OP_COMMIT); |
| 3009 | if (status) |
| 3010 | return status; |
| 3011 | READ_BUF(8); |
| 3012 | COPYMEM(res->verf->verifier, 8); |
| 3013 | return 0; |
| 3014 | } |
| 3015 | |
| 3016 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) |
| 3017 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3018 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3019 | uint32_t bmlen; |
| 3020 | int status; |
| 3021 | |
| 3022 | status = decode_op_hdr(xdr, OP_CREATE); |
| 3023 | if (status) |
| 3024 | return status; |
| 3025 | if ((status = decode_change_info(xdr, cinfo))) |
| 3026 | return status; |
| 3027 | READ_BUF(4); |
| 3028 | READ32(bmlen); |
| 3029 | READ_BUF(bmlen << 2); |
| 3030 | return 0; |
| 3031 | } |
| 3032 | |
| 3033 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) |
| 3034 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3035 | __be32 *savep; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3036 | uint32_t attrlen, |
| 3037 | bitmap[2] = {0}; |
| 3038 | int status; |
| 3039 | |
| 3040 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
| 3041 | goto xdr_error; |
| 3042 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
| 3043 | goto xdr_error; |
| 3044 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) |
| 3045 | goto xdr_error; |
| 3046 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) |
| 3047 | goto xdr_error; |
| 3048 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
| 3049 | goto xdr_error; |
| 3050 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) |
| 3051 | goto xdr_error; |
| 3052 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) |
| 3053 | goto xdr_error; |
| 3054 | status = verify_attr_len(xdr, savep, attrlen); |
| 3055 | xdr_error: |
Trond Myklebust | 16c32b7 | 2005-10-27 22:12:45 -0400 | [diff] [blame] | 3056 | dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3057 | return status; |
| 3058 | } |
| 3059 | |
| 3060 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
| 3061 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3062 | __be32 *savep; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3063 | uint32_t attrlen, |
| 3064 | bitmap[2] = {0}; |
| 3065 | int status; |
| 3066 | |
| 3067 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
| 3068 | goto xdr_error; |
| 3069 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
| 3070 | goto xdr_error; |
| 3071 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) |
| 3072 | goto xdr_error; |
| 3073 | |
| 3074 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) |
| 3075 | goto xdr_error; |
| 3076 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) |
| 3077 | goto xdr_error; |
| 3078 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) |
| 3079 | goto xdr_error; |
| 3080 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) |
| 3081 | goto xdr_error; |
| 3082 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) |
| 3083 | goto xdr_error; |
| 3084 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) |
| 3085 | goto xdr_error; |
| 3086 | |
| 3087 | status = verify_attr_len(xdr, savep, attrlen); |
| 3088 | xdr_error: |
Trond Myklebust | 16c32b7 | 2005-10-27 22:12:45 -0400 | [diff] [blame] | 3089 | dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3090 | return status; |
| 3091 | } |
| 3092 | |
| 3093 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) |
| 3094 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3095 | __be32 *savep; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3096 | uint32_t attrlen, |
| 3097 | bitmap[2] = {0}; |
| 3098 | int status; |
| 3099 | |
| 3100 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
| 3101 | goto xdr_error; |
| 3102 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
| 3103 | goto xdr_error; |
| 3104 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) |
| 3105 | goto xdr_error; |
| 3106 | |
| 3107 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) |
| 3108 | goto xdr_error; |
| 3109 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) |
| 3110 | goto xdr_error; |
| 3111 | |
| 3112 | status = verify_attr_len(xdr, savep, attrlen); |
| 3113 | xdr_error: |
Trond Myklebust | 16c32b7 | 2005-10-27 22:12:45 -0400 | [diff] [blame] | 3114 | dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3115 | return status; |
| 3116 | } |
| 3117 | |
| 3118 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, const struct nfs_server *server) |
| 3119 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3120 | __be32 *savep; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3121 | uint32_t attrlen, |
| 3122 | bitmap[2] = {0}, |
| 3123 | type; |
| 3124 | int status, fmode = 0; |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 3125 | uint64_t fileid; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3126 | |
| 3127 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
| 3128 | goto xdr_error; |
| 3129 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
| 3130 | goto xdr_error; |
| 3131 | |
| 3132 | fattr->bitmap[0] = bitmap[0]; |
| 3133 | fattr->bitmap[1] = bitmap[1]; |
| 3134 | |
| 3135 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) |
| 3136 | goto xdr_error; |
| 3137 | |
| 3138 | |
| 3139 | if ((status = decode_attr_type(xdr, bitmap, &type)) != 0) |
| 3140 | goto xdr_error; |
| 3141 | fattr->type = nfs_type2fmt[type].nfs2type; |
| 3142 | fmode = nfs_type2fmt[type].mode; |
| 3143 | |
| 3144 | if ((status = decode_attr_change(xdr, bitmap, &fattr->change_attr)) != 0) |
| 3145 | goto xdr_error; |
| 3146 | if ((status = decode_attr_size(xdr, bitmap, &fattr->size)) != 0) |
| 3147 | goto xdr_error; |
Trond Myklebust | 8b4bdcf | 2006-06-09 09:34:19 -0400 | [diff] [blame] | 3148 | if ((status = decode_attr_fsid(xdr, bitmap, &fattr->fsid)) != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3149 | goto xdr_error; |
| 3150 | if ((status = decode_attr_fileid(xdr, bitmap, &fattr->fileid)) != 0) |
| 3151 | goto xdr_error; |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3152 | if ((status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr, |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3153 | struct nfs4_fs_locations, |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3154 | fattr))) != 0) |
| 3155 | goto xdr_error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3156 | if ((status = decode_attr_mode(xdr, bitmap, &fattr->mode)) != 0) |
| 3157 | goto xdr_error; |
| 3158 | fattr->mode |= fmode; |
| 3159 | if ((status = decode_attr_nlink(xdr, bitmap, &fattr->nlink)) != 0) |
| 3160 | goto xdr_error; |
David Howells | 7539bba | 2006-08-22 20:06:09 -0400 | [diff] [blame] | 3161 | if ((status = decode_attr_owner(xdr, bitmap, server->nfs_client, &fattr->uid)) != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3162 | goto xdr_error; |
David Howells | 7539bba | 2006-08-22 20:06:09 -0400 | [diff] [blame] | 3163 | if ((status = decode_attr_group(xdr, bitmap, server->nfs_client, &fattr->gid)) != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3164 | goto xdr_error; |
| 3165 | if ((status = decode_attr_rdev(xdr, bitmap, &fattr->rdev)) != 0) |
| 3166 | goto xdr_error; |
| 3167 | if ((status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used)) != 0) |
| 3168 | goto xdr_error; |
| 3169 | if ((status = decode_attr_time_access(xdr, bitmap, &fattr->atime)) != 0) |
| 3170 | goto xdr_error; |
| 3171 | if ((status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime)) != 0) |
| 3172 | goto xdr_error; |
| 3173 | if ((status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime)) != 0) |
| 3174 | goto xdr_error; |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 3175 | if ((status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid)) != 0) |
| 3176 | goto xdr_error; |
| 3177 | if (fattr->fileid == 0 && fileid != 0) |
| 3178 | fattr->fileid = fileid; |
Trond Myklebust | 3380114 | 2005-10-27 22:12:39 -0400 | [diff] [blame] | 3179 | if ((status = verify_attr_len(xdr, savep, attrlen)) == 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3180 | fattr->valid = NFS_ATTR_FATTR | NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3181 | xdr_error: |
Trond Myklebust | 16c32b7 | 2005-10-27 22:12:45 -0400 | [diff] [blame] | 3182 | dprintk("%s: xdr returned %d\n", __FUNCTION__, -status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3183 | return status; |
| 3184 | } |
| 3185 | |
| 3186 | |
| 3187 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
| 3188 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3189 | __be32 *savep; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3190 | uint32_t attrlen, bitmap[2]; |
| 3191 | int status; |
| 3192 | |
| 3193 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
| 3194 | goto xdr_error; |
| 3195 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
| 3196 | goto xdr_error; |
| 3197 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) |
| 3198 | goto xdr_error; |
| 3199 | |
| 3200 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ |
| 3201 | |
| 3202 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) |
| 3203 | goto xdr_error; |
| 3204 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) |
| 3205 | goto xdr_error; |
| 3206 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) |
| 3207 | goto xdr_error; |
| 3208 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; |
| 3209 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) |
| 3210 | goto xdr_error; |
| 3211 | fsinfo->wtpref = fsinfo->wtmax; |
| 3212 | |
| 3213 | status = verify_attr_len(xdr, savep, attrlen); |
| 3214 | xdr_error: |
Trond Myklebust | 16c32b7 | 2005-10-27 22:12:45 -0400 | [diff] [blame] | 3215 | dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3216 | return status; |
| 3217 | } |
| 3218 | |
| 3219 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) |
| 3220 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3221 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3222 | uint32_t len; |
| 3223 | int status; |
| 3224 | |
Trond Myklebust | 9936781 | 2007-07-17 21:52:41 -0400 | [diff] [blame] | 3225 | /* Zero handle first to allow comparisons */ |
| 3226 | memset(fh, 0, sizeof(*fh)); |
| 3227 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3228 | status = decode_op_hdr(xdr, OP_GETFH); |
| 3229 | if (status) |
| 3230 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3231 | |
| 3232 | READ_BUF(4); |
| 3233 | READ32(len); |
| 3234 | if (len > NFS4_FHSIZE) |
| 3235 | return -EIO; |
| 3236 | fh->size = len; |
| 3237 | READ_BUF(len); |
| 3238 | COPYMEM(fh->data, len); |
| 3239 | return 0; |
| 3240 | } |
| 3241 | |
| 3242 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) |
| 3243 | { |
| 3244 | int status; |
| 3245 | |
| 3246 | status = decode_op_hdr(xdr, OP_LINK); |
| 3247 | if (status) |
| 3248 | return status; |
| 3249 | return decode_change_info(xdr, cinfo); |
| 3250 | } |
| 3251 | |
| 3252 | /* |
| 3253 | * We create the owner, so we know a proper owner.id length is 4. |
| 3254 | */ |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 3255 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3256 | { |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 3257 | uint64_t offset, length, clientid; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3258 | __be32 *p; |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 3259 | uint32_t namelen, type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3260 | |
| 3261 | READ_BUF(32); |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 3262 | READ64(offset); |
| 3263 | READ64(length); |
| 3264 | READ32(type); |
| 3265 | if (fl != NULL) { |
| 3266 | fl->fl_start = (loff_t)offset; |
| 3267 | fl->fl_end = fl->fl_start + (loff_t)length - 1; |
| 3268 | if (length == ~(uint64_t)0) |
| 3269 | fl->fl_end = OFFSET_MAX; |
| 3270 | fl->fl_type = F_WRLCK; |
| 3271 | if (type & 1) |
| 3272 | fl->fl_type = F_RDLCK; |
| 3273 | fl->fl_pid = 0; |
| 3274 | } |
| 3275 | READ64(clientid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3276 | READ32(namelen); |
| 3277 | READ_BUF(namelen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3278 | return -NFS4ERR_DENIED; |
| 3279 | } |
| 3280 | |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 3281 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3282 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3283 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3284 | int status; |
| 3285 | |
| 3286 | status = decode_op_hdr(xdr, OP_LOCK); |
| 3287 | if (status == 0) { |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 3288 | READ_BUF(NFS4_STATEID_SIZE); |
| 3289 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3290 | } else if (status == -NFS4ERR_DENIED) |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 3291 | return decode_lock_denied(xdr, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3292 | return status; |
| 3293 | } |
| 3294 | |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 3295 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3296 | { |
| 3297 | int status; |
| 3298 | status = decode_op_hdr(xdr, OP_LOCKT); |
| 3299 | if (status == -NFS4ERR_DENIED) |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 3300 | return decode_lock_denied(xdr, res->denied); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3301 | return status; |
| 3302 | } |
| 3303 | |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 3304 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3305 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3306 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3307 | int status; |
| 3308 | |
| 3309 | status = decode_op_hdr(xdr, OP_LOCKU); |
| 3310 | if (status == 0) { |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 3311 | READ_BUF(NFS4_STATEID_SIZE); |
| 3312 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3313 | } |
| 3314 | return status; |
| 3315 | } |
| 3316 | |
| 3317 | static int decode_lookup(struct xdr_stream *xdr) |
| 3318 | { |
| 3319 | return decode_op_hdr(xdr, OP_LOOKUP); |
| 3320 | } |
| 3321 | |
| 3322 | /* This is too sick! */ |
| 3323 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) |
| 3324 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3325 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3326 | uint32_t limit_type, nblocks, blocksize; |
| 3327 | |
| 3328 | READ_BUF(12); |
| 3329 | READ32(limit_type); |
| 3330 | switch (limit_type) { |
| 3331 | case 1: |
| 3332 | READ64(*maxsize); |
| 3333 | break; |
| 3334 | case 2: |
| 3335 | READ32(nblocks); |
| 3336 | READ32(blocksize); |
| 3337 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
| 3338 | } |
| 3339 | return 0; |
| 3340 | } |
| 3341 | |
| 3342 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) |
| 3343 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3344 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3345 | uint32_t delegation_type; |
| 3346 | |
| 3347 | READ_BUF(4); |
| 3348 | READ32(delegation_type); |
| 3349 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
| 3350 | res->delegation_type = 0; |
| 3351 | return 0; |
| 3352 | } |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 3353 | READ_BUF(NFS4_STATEID_SIZE+4); |
| 3354 | COPYMEM(res->delegation.data, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3355 | READ32(res->do_recall); |
| 3356 | switch (delegation_type) { |
| 3357 | case NFS4_OPEN_DELEGATE_READ: |
| 3358 | res->delegation_type = FMODE_READ; |
| 3359 | break; |
| 3360 | case NFS4_OPEN_DELEGATE_WRITE: |
| 3361 | res->delegation_type = FMODE_WRITE|FMODE_READ; |
| 3362 | if (decode_space_limit(xdr, &res->maxsize) < 0) |
| 3363 | return -EIO; |
| 3364 | } |
David Howells | 7539bba | 2006-08-22 20:06:09 -0400 | [diff] [blame] | 3365 | return decode_ace(xdr, NULL, res->server->nfs_client); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3366 | } |
| 3367 | |
| 3368 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) |
| 3369 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3370 | __be32 *p; |
Jeff Layton | aa53ed5 | 2007-06-05 14:49:03 -0400 | [diff] [blame] | 3371 | uint32_t savewords, bmlen, i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3372 | int status; |
| 3373 | |
| 3374 | status = decode_op_hdr(xdr, OP_OPEN); |
| 3375 | if (status) |
| 3376 | return status; |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 3377 | READ_BUF(NFS4_STATEID_SIZE); |
| 3378 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3379 | |
| 3380 | decode_change_info(xdr, &res->cinfo); |
| 3381 | |
| 3382 | READ_BUF(8); |
| 3383 | READ32(res->rflags); |
| 3384 | READ32(bmlen); |
| 3385 | if (bmlen > 10) |
| 3386 | goto xdr_error; |
| 3387 | |
| 3388 | READ_BUF(bmlen << 2); |
Jeff Layton | aa53ed5 | 2007-06-05 14:49:03 -0400 | [diff] [blame] | 3389 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
| 3390 | for (i = 0; i < savewords; ++i) |
| 3391 | READ32(res->attrset[i]); |
| 3392 | for (; i < NFS4_BITMAP_SIZE; i++) |
| 3393 | res->attrset[i] = 0; |
| 3394 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3395 | return decode_delegation(xdr, res); |
| 3396 | xdr_error: |
Trond Myklebust | 16c32b7 | 2005-10-27 22:12:45 -0400 | [diff] [blame] | 3397 | dprintk("%s: Bitmap too large! Length = %u\n", __FUNCTION__, bmlen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3398 | return -EIO; |
| 3399 | } |
| 3400 | |
| 3401 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) |
| 3402 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3403 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3404 | int status; |
| 3405 | |
| 3406 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
| 3407 | if (status) |
| 3408 | return status; |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 3409 | READ_BUF(NFS4_STATEID_SIZE); |
| 3410 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3411 | return 0; |
| 3412 | } |
| 3413 | |
| 3414 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) |
| 3415 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3416 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3417 | int status; |
| 3418 | |
| 3419 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); |
| 3420 | if (status) |
| 3421 | return status; |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 3422 | READ_BUF(NFS4_STATEID_SIZE); |
| 3423 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3424 | return 0; |
| 3425 | } |
| 3426 | |
| 3427 | static int decode_putfh(struct xdr_stream *xdr) |
| 3428 | { |
| 3429 | return decode_op_hdr(xdr, OP_PUTFH); |
| 3430 | } |
| 3431 | |
| 3432 | static int decode_putrootfh(struct xdr_stream *xdr) |
| 3433 | { |
| 3434 | return decode_op_hdr(xdr, OP_PUTROOTFH); |
| 3435 | } |
| 3436 | |
| 3437 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) |
| 3438 | { |
| 3439 | struct kvec *iov = req->rq_rcv_buf.head; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3440 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3441 | uint32_t count, eof, recvd, hdrlen; |
| 3442 | int status; |
| 3443 | |
| 3444 | status = decode_op_hdr(xdr, OP_READ); |
| 3445 | if (status) |
| 3446 | return status; |
| 3447 | READ_BUF(8); |
| 3448 | READ32(eof); |
| 3449 | READ32(count); |
| 3450 | hdrlen = (u8 *) p - (u8 *) iov->iov_base; |
| 3451 | recvd = req->rq_rcv_buf.len - hdrlen; |
| 3452 | if (count > recvd) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame^] | 3453 | dprintk("NFS: server cheating in read reply: " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3454 | "count %u > recvd %u\n", count, recvd); |
| 3455 | count = recvd; |
| 3456 | eof = 0; |
| 3457 | } |
| 3458 | xdr_read_pages(xdr, count); |
| 3459 | res->eof = eof; |
| 3460 | res->count = count; |
| 3461 | return 0; |
| 3462 | } |
| 3463 | |
| 3464 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) |
| 3465 | { |
| 3466 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; |
| 3467 | struct page *page = *rcvbuf->pages; |
| 3468 | struct kvec *iov = rcvbuf->head; |
| 3469 | unsigned int nr, pglen = rcvbuf->page_len; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3470 | __be32 *end, *entry, *p, *kaddr; |
David Howells | e889649 | 2006-08-24 15:44:19 -0400 | [diff] [blame] | 3471 | uint32_t len, attrlen, xlen; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3472 | int hdrlen, recvd, status; |
| 3473 | |
| 3474 | status = decode_op_hdr(xdr, OP_READDIR); |
| 3475 | if (status) |
| 3476 | return status; |
| 3477 | READ_BUF(8); |
| 3478 | COPYMEM(readdir->verifier.data, 8); |
Trond Myklebust | eadf459 | 2005-06-22 17:16:39 +0000 | [diff] [blame] | 3479 | dprintk("%s: verifier = 0x%x%x\n", |
| 3480 | __FUNCTION__, |
| 3481 | ((u32 *)readdir->verifier.data)[0], |
| 3482 | ((u32 *)readdir->verifier.data)[1]); |
| 3483 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3484 | |
| 3485 | hdrlen = (char *) p - (char *) iov->iov_base; |
| 3486 | recvd = rcvbuf->len - hdrlen; |
| 3487 | if (pglen > recvd) |
| 3488 | pglen = recvd; |
| 3489 | xdr_read_pages(xdr, pglen); |
| 3490 | |
| 3491 | BUG_ON(pglen + readdir->pgbase > PAGE_CACHE_SIZE); |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3492 | kaddr = p = kmap_atomic(page, KM_USER0); |
David Howells | e889649 | 2006-08-24 15:44:19 -0400 | [diff] [blame] | 3493 | end = p + ((pglen + readdir->pgbase) >> 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3494 | entry = p; |
| 3495 | for (nr = 0; *p++; nr++) { |
David Howells | e889649 | 2006-08-24 15:44:19 -0400 | [diff] [blame] | 3496 | if (end - p < 3) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3497 | goto short_pkt; |
Trond Myklebust | eadf459 | 2005-06-22 17:16:39 +0000 | [diff] [blame] | 3498 | dprintk("cookie = %Lu, ", *((unsigned long long *)p)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3499 | p += 2; /* cookie */ |
| 3500 | len = ntohl(*p++); /* filename length */ |
| 3501 | if (len > NFS4_MAXNAMLEN) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame^] | 3502 | dprintk("NFS: giant filename in readdir (len 0x%x)\n", |
| 3503 | len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3504 | goto err_unmap; |
| 3505 | } |
David Howells | e889649 | 2006-08-24 15:44:19 -0400 | [diff] [blame] | 3506 | xlen = XDR_QUADLEN(len); |
| 3507 | if (end - p < xlen + 1) |
| 3508 | goto short_pkt; |
Trond Myklebust | eadf459 | 2005-06-22 17:16:39 +0000 | [diff] [blame] | 3509 | dprintk("filename = %*s\n", len, (char *)p); |
David Howells | e889649 | 2006-08-24 15:44:19 -0400 | [diff] [blame] | 3510 | p += xlen; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3511 | len = ntohl(*p++); /* bitmap length */ |
David Howells | e889649 | 2006-08-24 15:44:19 -0400 | [diff] [blame] | 3512 | if (end - p < len + 1) |
| 3513 | goto short_pkt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3514 | p += len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3515 | attrlen = XDR_QUADLEN(ntohl(*p++)); |
David Howells | e889649 | 2006-08-24 15:44:19 -0400 | [diff] [blame] | 3516 | if (end - p < attrlen + 2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3517 | goto short_pkt; |
David Howells | e889649 | 2006-08-24 15:44:19 -0400 | [diff] [blame] | 3518 | p += attrlen; /* attributes */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3519 | entry = p; |
| 3520 | } |
| 3521 | if (!nr && (entry[0] != 0 || entry[1] == 0)) |
| 3522 | goto short_pkt; |
| 3523 | out: |
| 3524 | kunmap_atomic(kaddr, KM_USER0); |
| 3525 | return 0; |
| 3526 | short_pkt: |
Trond Myklebust | eadf459 | 2005-06-22 17:16:39 +0000 | [diff] [blame] | 3527 | dprintk("%s: short packet at entry %d\n", __FUNCTION__, nr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3528 | entry[0] = entry[1] = 0; |
| 3529 | /* truncate listing ? */ |
| 3530 | if (!nr) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame^] | 3531 | dprintk("NFS: readdir reply truncated!\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3532 | entry[1] = 1; |
| 3533 | } |
| 3534 | goto out; |
| 3535 | err_unmap: |
| 3536 | kunmap_atomic(kaddr, KM_USER0); |
| 3537 | return -errno_NFSERR_IO; |
| 3538 | } |
| 3539 | |
| 3540 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) |
| 3541 | { |
| 3542 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; |
| 3543 | struct kvec *iov = rcvbuf->head; |
| 3544 | int hdrlen, len, recvd; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3545 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3546 | char *kaddr; |
| 3547 | int status; |
| 3548 | |
| 3549 | status = decode_op_hdr(xdr, OP_READLINK); |
| 3550 | if (status) |
| 3551 | return status; |
| 3552 | |
| 3553 | /* Convert length of symlink */ |
| 3554 | READ_BUF(4); |
| 3555 | READ32(len); |
| 3556 | if (len >= rcvbuf->page_len || len <= 0) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame^] | 3557 | dprintk("nfs: server returned giant symlink!\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3558 | return -ENAMETOOLONG; |
| 3559 | } |
| 3560 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; |
| 3561 | recvd = req->rq_rcv_buf.len - hdrlen; |
| 3562 | if (recvd < len) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame^] | 3563 | dprintk("NFS: server cheating in readlink reply: " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3564 | "count %u > recvd %u\n", len, recvd); |
| 3565 | return -EIO; |
| 3566 | } |
| 3567 | xdr_read_pages(xdr, len); |
| 3568 | /* |
| 3569 | * The XDR encode routine has set things up so that |
| 3570 | * the link text will be copied directly into the |
| 3571 | * buffer. We just have to do overflow-checking, |
| 3572 | * and and null-terminate the text (the VFS expects |
| 3573 | * null-termination). |
| 3574 | */ |
| 3575 | kaddr = (char *)kmap_atomic(rcvbuf->pages[0], KM_USER0); |
| 3576 | kaddr[len+rcvbuf->page_base] = '\0'; |
| 3577 | kunmap_atomic(kaddr, KM_USER0); |
| 3578 | return 0; |
| 3579 | } |
| 3580 | |
| 3581 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) |
| 3582 | { |
| 3583 | int status; |
| 3584 | |
| 3585 | status = decode_op_hdr(xdr, OP_REMOVE); |
| 3586 | if (status) |
| 3587 | goto out; |
| 3588 | status = decode_change_info(xdr, cinfo); |
| 3589 | out: |
| 3590 | return status; |
| 3591 | } |
| 3592 | |
| 3593 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, |
| 3594 | struct nfs4_change_info *new_cinfo) |
| 3595 | { |
| 3596 | int status; |
| 3597 | |
| 3598 | status = decode_op_hdr(xdr, OP_RENAME); |
| 3599 | if (status) |
| 3600 | goto out; |
| 3601 | if ((status = decode_change_info(xdr, old_cinfo))) |
| 3602 | goto out; |
| 3603 | status = decode_change_info(xdr, new_cinfo); |
| 3604 | out: |
| 3605 | return status; |
| 3606 | } |
| 3607 | |
| 3608 | static int decode_renew(struct xdr_stream *xdr) |
| 3609 | { |
| 3610 | return decode_op_hdr(xdr, OP_RENEW); |
| 3611 | } |
| 3612 | |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 3613 | static int |
| 3614 | decode_restorefh(struct xdr_stream *xdr) |
| 3615 | { |
| 3616 | return decode_op_hdr(xdr, OP_RESTOREFH); |
| 3617 | } |
| 3618 | |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 3619 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
| 3620 | size_t *acl_len) |
| 3621 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3622 | __be32 *savep; |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 3623 | uint32_t attrlen, |
| 3624 | bitmap[2] = {0}; |
| 3625 | struct kvec *iov = req->rq_rcv_buf.head; |
| 3626 | int status; |
| 3627 | |
| 3628 | *acl_len = 0; |
| 3629 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
| 3630 | goto out; |
| 3631 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
| 3632 | goto out; |
| 3633 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) |
| 3634 | goto out; |
| 3635 | |
| 3636 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) |
| 3637 | return -EIO; |
| 3638 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { |
| 3639 | int hdrlen, recvd; |
| 3640 | |
| 3641 | /* We ignore &savep and don't do consistency checks on |
| 3642 | * the attr length. Let userspace figure it out.... */ |
| 3643 | hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; |
| 3644 | recvd = req->rq_rcv_buf.len - hdrlen; |
| 3645 | if (attrlen > recvd) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame^] | 3646 | dprintk("NFS: server cheating in getattr" |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 3647 | " acl reply: attrlen %u > recvd %u\n", |
| 3648 | attrlen, recvd); |
| 3649 | return -EINVAL; |
| 3650 | } |
J. Bruce Fields | c04871e | 2006-05-30 16:28:58 -0400 | [diff] [blame] | 3651 | xdr_read_pages(xdr, attrlen); |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 3652 | *acl_len = attrlen; |
J. Bruce Fields | 8c233cf | 2005-10-13 16:54:27 -0400 | [diff] [blame] | 3653 | } else |
| 3654 | status = -EOPNOTSUPP; |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 3655 | |
| 3656 | out: |
| 3657 | return status; |
| 3658 | } |
| 3659 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3660 | static int |
| 3661 | decode_savefh(struct xdr_stream *xdr) |
| 3662 | { |
| 3663 | return decode_op_hdr(xdr, OP_SAVEFH); |
| 3664 | } |
| 3665 | |
| 3666 | static int decode_setattr(struct xdr_stream *xdr, struct nfs_setattrres *res) |
| 3667 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3668 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3669 | uint32_t bmlen; |
| 3670 | int status; |
| 3671 | |
| 3672 | |
| 3673 | status = decode_op_hdr(xdr, OP_SETATTR); |
| 3674 | if (status) |
| 3675 | return status; |
| 3676 | READ_BUF(4); |
| 3677 | READ32(bmlen); |
| 3678 | READ_BUF(bmlen << 2); |
| 3679 | return 0; |
| 3680 | } |
| 3681 | |
David Howells | adfa6f9 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 3682 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs_client *clp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3683 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3684 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3685 | uint32_t opnum; |
| 3686 | int32_t nfserr; |
| 3687 | |
| 3688 | READ_BUF(8); |
| 3689 | READ32(opnum); |
| 3690 | if (opnum != OP_SETCLIENTID) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame^] | 3691 | dprintk("nfs: decode_setclientid: Server returned operation" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3692 | " %d\n", opnum); |
| 3693 | return -EIO; |
| 3694 | } |
| 3695 | READ32(nfserr); |
| 3696 | if (nfserr == NFS_OK) { |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 3697 | READ_BUF(8 + NFS4_VERIFIER_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3698 | READ64(clp->cl_clientid); |
Trond Myklebust | 8ae20ab | 2007-05-14 16:50:45 -0400 | [diff] [blame] | 3699 | COPYMEM(clp->cl_confirm.data, NFS4_VERIFIER_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3700 | } else if (nfserr == NFSERR_CLID_INUSE) { |
| 3701 | uint32_t len; |
| 3702 | |
| 3703 | /* skip netid string */ |
| 3704 | READ_BUF(4); |
| 3705 | READ32(len); |
| 3706 | READ_BUF(len); |
| 3707 | |
| 3708 | /* skip uaddr string */ |
| 3709 | READ_BUF(4); |
| 3710 | READ32(len); |
| 3711 | READ_BUF(len); |
| 3712 | return -NFSERR_CLID_INUSE; |
| 3713 | } else |
David Howells | 0a8ea43 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 3714 | return -nfs4_stat_to_errno(nfserr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3715 | |
| 3716 | return 0; |
| 3717 | } |
| 3718 | |
| 3719 | static int decode_setclientid_confirm(struct xdr_stream *xdr) |
| 3720 | { |
| 3721 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); |
| 3722 | } |
| 3723 | |
| 3724 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) |
| 3725 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3726 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3727 | int status; |
| 3728 | |
| 3729 | status = decode_op_hdr(xdr, OP_WRITE); |
| 3730 | if (status) |
| 3731 | return status; |
| 3732 | |
| 3733 | READ_BUF(16); |
| 3734 | READ32(res->count); |
| 3735 | READ32(res->verf->committed); |
| 3736 | COPYMEM(res->verf->verifier, 8); |
| 3737 | return 0; |
| 3738 | } |
| 3739 | |
| 3740 | static int decode_delegreturn(struct xdr_stream *xdr) |
| 3741 | { |
| 3742 | return decode_op_hdr(xdr, OP_DELEGRETURN); |
| 3743 | } |
| 3744 | |
| 3745 | /* |
| 3746 | * Decode OPEN_DOWNGRADE response |
| 3747 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3748 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3749 | { |
| 3750 | struct xdr_stream xdr; |
| 3751 | struct compound_hdr hdr; |
| 3752 | int status; |
| 3753 | |
| 3754 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 3755 | status = decode_compound_hdr(&xdr, &hdr); |
| 3756 | if (status) |
| 3757 | goto out; |
| 3758 | status = decode_putfh(&xdr); |
| 3759 | if (status) |
| 3760 | goto out; |
| 3761 | status = decode_open_downgrade(&xdr, res); |
Trond Myklebust | 516a6af | 2005-10-27 22:12:41 -0400 | [diff] [blame] | 3762 | if (status != 0) |
| 3763 | goto out; |
| 3764 | decode_getfattr(&xdr, res->fattr, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3765 | out: |
| 3766 | return status; |
| 3767 | } |
| 3768 | |
| 3769 | /* |
| 3770 | * END OF "GENERIC" DECODE ROUTINES. |
| 3771 | */ |
| 3772 | |
| 3773 | /* |
| 3774 | * Decode ACCESS response |
| 3775 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3776 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_accessres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3777 | { |
| 3778 | struct xdr_stream xdr; |
| 3779 | struct compound_hdr hdr; |
| 3780 | int status; |
| 3781 | |
| 3782 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 3783 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) |
| 3784 | goto out; |
| 3785 | if ((status = decode_putfh(&xdr)) == 0) |
| 3786 | status = decode_access(&xdr, res); |
| 3787 | out: |
| 3788 | return status; |
| 3789 | } |
| 3790 | |
| 3791 | /* |
| 3792 | * Decode LOOKUP response |
| 3793 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3794 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3795 | { |
| 3796 | struct xdr_stream xdr; |
| 3797 | struct compound_hdr hdr; |
| 3798 | int status; |
| 3799 | |
| 3800 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 3801 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) |
| 3802 | goto out; |
| 3803 | if ((status = decode_putfh(&xdr)) != 0) |
| 3804 | goto out; |
| 3805 | if ((status = decode_lookup(&xdr)) != 0) |
| 3806 | goto out; |
| 3807 | if ((status = decode_getfh(&xdr, res->fh)) != 0) |
| 3808 | goto out; |
| 3809 | status = decode_getfattr(&xdr, res->fattr, res->server); |
| 3810 | out: |
| 3811 | return status; |
| 3812 | } |
| 3813 | |
| 3814 | /* |
| 3815 | * Decode LOOKUP_ROOT response |
| 3816 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3817 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3818 | { |
| 3819 | struct xdr_stream xdr; |
| 3820 | struct compound_hdr hdr; |
| 3821 | int status; |
| 3822 | |
| 3823 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 3824 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) |
| 3825 | goto out; |
| 3826 | if ((status = decode_putrootfh(&xdr)) != 0) |
| 3827 | goto out; |
| 3828 | if ((status = decode_getfh(&xdr, res->fh)) == 0) |
| 3829 | status = decode_getfattr(&xdr, res->fattr, res->server); |
| 3830 | out: |
| 3831 | return status; |
| 3832 | } |
| 3833 | |
| 3834 | /* |
| 3835 | * Decode REMOVE response |
| 3836 | */ |
Trond Myklebust | 4fdc17b | 2007-07-14 15:39:57 -0400 | [diff] [blame] | 3837 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, __be32 *p, struct nfs_removeres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3838 | { |
| 3839 | struct xdr_stream xdr; |
| 3840 | struct compound_hdr hdr; |
| 3841 | int status; |
| 3842 | |
| 3843 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 3844 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) |
| 3845 | goto out; |
Trond Myklebust | 16e4295 | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 3846 | if ((status = decode_putfh(&xdr)) != 0) |
| 3847 | goto out; |
| 3848 | if ((status = decode_remove(&xdr, &res->cinfo)) != 0) |
| 3849 | goto out; |
Trond Myklebust | 4fdc17b | 2007-07-14 15:39:57 -0400 | [diff] [blame] | 3850 | decode_getfattr(&xdr, &res->dir_attr, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3851 | out: |
| 3852 | return status; |
| 3853 | } |
| 3854 | |
| 3855 | /* |
| 3856 | * Decode RENAME response |
| 3857 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3858 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_rename_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3859 | { |
| 3860 | struct xdr_stream xdr; |
| 3861 | struct compound_hdr hdr; |
| 3862 | int status; |
| 3863 | |
| 3864 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 3865 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) |
| 3866 | goto out; |
| 3867 | if ((status = decode_putfh(&xdr)) != 0) |
| 3868 | goto out; |
| 3869 | if ((status = decode_savefh(&xdr)) != 0) |
| 3870 | goto out; |
| 3871 | if ((status = decode_putfh(&xdr)) != 0) |
| 3872 | goto out; |
Trond Myklebust | 6caf2c8 | 2005-10-27 22:12:43 -0400 | [diff] [blame] | 3873 | if ((status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo)) != 0) |
| 3874 | goto out; |
| 3875 | /* Current FH is target directory */ |
| 3876 | if (decode_getfattr(&xdr, res->new_fattr, res->server) != 0) |
| 3877 | goto out; |
| 3878 | if ((status = decode_restorefh(&xdr)) != 0) |
| 3879 | goto out; |
| 3880 | decode_getfattr(&xdr, res->old_fattr, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3881 | out: |
| 3882 | return status; |
| 3883 | } |
| 3884 | |
| 3885 | /* |
| 3886 | * Decode LINK response |
| 3887 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3888 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_link_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3889 | { |
| 3890 | struct xdr_stream xdr; |
| 3891 | struct compound_hdr hdr; |
| 3892 | int status; |
| 3893 | |
| 3894 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 3895 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) |
| 3896 | goto out; |
| 3897 | if ((status = decode_putfh(&xdr)) != 0) |
| 3898 | goto out; |
| 3899 | if ((status = decode_savefh(&xdr)) != 0) |
| 3900 | goto out; |
| 3901 | if ((status = decode_putfh(&xdr)) != 0) |
| 3902 | goto out; |
Trond Myklebust | 91ba2ee | 2005-10-27 22:12:42 -0400 | [diff] [blame] | 3903 | if ((status = decode_link(&xdr, &res->cinfo)) != 0) |
| 3904 | goto out; |
| 3905 | /* |
| 3906 | * Note order: OP_LINK leaves the directory as the current |
| 3907 | * filehandle. |
| 3908 | */ |
| 3909 | if (decode_getfattr(&xdr, res->dir_attr, res->server) != 0) |
| 3910 | goto out; |
| 3911 | if ((status = decode_restorefh(&xdr)) != 0) |
| 3912 | goto out; |
| 3913 | decode_getfattr(&xdr, res->fattr, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3914 | out: |
| 3915 | return status; |
| 3916 | } |
| 3917 | |
| 3918 | /* |
| 3919 | * Decode CREATE response |
| 3920 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3921 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3922 | { |
| 3923 | struct xdr_stream xdr; |
| 3924 | struct compound_hdr hdr; |
| 3925 | int status; |
| 3926 | |
| 3927 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 3928 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) |
| 3929 | goto out; |
| 3930 | if ((status = decode_putfh(&xdr)) != 0) |
| 3931 | goto out; |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 3932 | if ((status = decode_savefh(&xdr)) != 0) |
| 3933 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3934 | if ((status = decode_create(&xdr,&res->dir_cinfo)) != 0) |
| 3935 | goto out; |
| 3936 | if ((status = decode_getfh(&xdr, res->fh)) != 0) |
| 3937 | goto out; |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 3938 | if (decode_getfattr(&xdr, res->fattr, res->server) != 0) |
| 3939 | goto out; |
| 3940 | if ((status = decode_restorefh(&xdr)) != 0) |
| 3941 | goto out; |
| 3942 | decode_getfattr(&xdr, res->dir_fattr, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3943 | out: |
| 3944 | return status; |
| 3945 | } |
| 3946 | |
| 3947 | /* |
| 3948 | * Decode SYMLINK response |
| 3949 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3950 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3951 | { |
| 3952 | return nfs4_xdr_dec_create(rqstp, p, res); |
| 3953 | } |
| 3954 | |
| 3955 | /* |
| 3956 | * Decode GETATTR response |
| 3957 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3958 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_getattr_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3959 | { |
| 3960 | struct xdr_stream xdr; |
| 3961 | struct compound_hdr hdr; |
| 3962 | int status; |
| 3963 | |
| 3964 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 3965 | status = decode_compound_hdr(&xdr, &hdr); |
| 3966 | if (status) |
| 3967 | goto out; |
| 3968 | status = decode_putfh(&xdr); |
| 3969 | if (status) |
| 3970 | goto out; |
| 3971 | status = decode_getfattr(&xdr, res->fattr, res->server); |
| 3972 | out: |
| 3973 | return status; |
| 3974 | |
| 3975 | } |
| 3976 | |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 3977 | /* |
| 3978 | * Encode an SETACL request |
| 3979 | */ |
| 3980 | static int |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3981 | nfs4_xdr_enc_setacl(struct rpc_rqst *req, __be32 *p, struct nfs_setaclargs *args) |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 3982 | { |
| 3983 | struct xdr_stream xdr; |
| 3984 | struct compound_hdr hdr = { |
| 3985 | .nops = 2, |
| 3986 | }; |
| 3987 | int status; |
| 3988 | |
| 3989 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 3990 | encode_compound_hdr(&xdr, &hdr); |
| 3991 | status = encode_putfh(&xdr, args->fh); |
| 3992 | if (status) |
| 3993 | goto out; |
| 3994 | status = encode_setacl(&xdr, args); |
| 3995 | out: |
| 3996 | return status; |
| 3997 | } |
| 3998 | /* |
| 3999 | * Decode SETACL response |
| 4000 | */ |
| 4001 | static int |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4002 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, __be32 *p, void *res) |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 4003 | { |
| 4004 | struct xdr_stream xdr; |
| 4005 | struct compound_hdr hdr; |
| 4006 | int status; |
| 4007 | |
| 4008 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 4009 | status = decode_compound_hdr(&xdr, &hdr); |
| 4010 | if (status) |
| 4011 | goto out; |
| 4012 | status = decode_putfh(&xdr); |
| 4013 | if (status) |
| 4014 | goto out; |
| 4015 | status = decode_setattr(&xdr, res); |
| 4016 | out: |
| 4017 | return status; |
| 4018 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4019 | |
| 4020 | /* |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 4021 | * Decode GETACL response |
| 4022 | */ |
| 4023 | static int |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4024 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, __be32 *p, size_t *acl_len) |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 4025 | { |
| 4026 | struct xdr_stream xdr; |
| 4027 | struct compound_hdr hdr; |
| 4028 | int status; |
| 4029 | |
| 4030 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 4031 | status = decode_compound_hdr(&xdr, &hdr); |
| 4032 | if (status) |
| 4033 | goto out; |
| 4034 | status = decode_putfh(&xdr); |
| 4035 | if (status) |
| 4036 | goto out; |
| 4037 | status = decode_getacl(&xdr, rqstp, acl_len); |
| 4038 | |
| 4039 | out: |
| 4040 | return status; |
| 4041 | } |
| 4042 | |
| 4043 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4044 | * Decode CLOSE response |
| 4045 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4046 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4047 | { |
| 4048 | struct xdr_stream xdr; |
| 4049 | struct compound_hdr hdr; |
| 4050 | int status; |
| 4051 | |
| 4052 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 4053 | status = decode_compound_hdr(&xdr, &hdr); |
| 4054 | if (status) |
| 4055 | goto out; |
| 4056 | status = decode_putfh(&xdr); |
| 4057 | if (status) |
| 4058 | goto out; |
| 4059 | status = decode_close(&xdr, res); |
Trond Myklebust | 516a6af | 2005-10-27 22:12:41 -0400 | [diff] [blame] | 4060 | if (status != 0) |
| 4061 | goto out; |
| 4062 | /* |
| 4063 | * Note: Server may do delete on close for this file |
| 4064 | * in which case the getattr call will fail with |
| 4065 | * an ESTALE error. Shouldn't be a problem, |
| 4066 | * though, since fattr->valid will remain unset. |
| 4067 | */ |
| 4068 | decode_getfattr(&xdr, res->fattr, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4069 | out: |
| 4070 | return status; |
| 4071 | } |
| 4072 | |
| 4073 | /* |
| 4074 | * Decode OPEN response |
| 4075 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4076 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4077 | { |
| 4078 | struct xdr_stream xdr; |
| 4079 | struct compound_hdr hdr; |
| 4080 | int status; |
| 4081 | |
| 4082 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 4083 | status = decode_compound_hdr(&xdr, &hdr); |
| 4084 | if (status) |
| 4085 | goto out; |
| 4086 | status = decode_putfh(&xdr); |
| 4087 | if (status) |
| 4088 | goto out; |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 4089 | status = decode_savefh(&xdr); |
| 4090 | if (status) |
| 4091 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4092 | status = decode_open(&xdr, res); |
| 4093 | if (status) |
| 4094 | goto out; |
Trond Myklebust | 9936781 | 2007-07-17 21:52:41 -0400 | [diff] [blame] | 4095 | if (decode_getfh(&xdr, &res->fh) != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4096 | goto out; |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 4097 | if (decode_getfattr(&xdr, res->f_attr, res->server) != 0) |
| 4098 | goto out; |
Trond Myklebust | 365c8f5 | 2007-07-17 21:52:37 -0400 | [diff] [blame] | 4099 | if (decode_restorefh(&xdr) != 0) |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 4100 | goto out; |
| 4101 | decode_getfattr(&xdr, res->dir_attr, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4102 | out: |
| 4103 | return status; |
| 4104 | } |
| 4105 | |
| 4106 | /* |
| 4107 | * Decode OPEN_CONFIRM response |
| 4108 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4109 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, __be32 *p, struct nfs_open_confirmres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4110 | { |
| 4111 | struct xdr_stream xdr; |
| 4112 | struct compound_hdr hdr; |
| 4113 | int status; |
| 4114 | |
| 4115 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 4116 | status = decode_compound_hdr(&xdr, &hdr); |
| 4117 | if (status) |
| 4118 | goto out; |
| 4119 | status = decode_putfh(&xdr); |
| 4120 | if (status) |
| 4121 | goto out; |
| 4122 | status = decode_open_confirm(&xdr, res); |
| 4123 | out: |
| 4124 | return status; |
| 4125 | } |
| 4126 | |
| 4127 | /* |
| 4128 | * Decode OPEN response |
| 4129 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4130 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4131 | { |
| 4132 | struct xdr_stream xdr; |
| 4133 | struct compound_hdr hdr; |
| 4134 | int status; |
| 4135 | |
| 4136 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 4137 | status = decode_compound_hdr(&xdr, &hdr); |
| 4138 | if (status) |
| 4139 | goto out; |
| 4140 | status = decode_putfh(&xdr); |
| 4141 | if (status) |
| 4142 | goto out; |
| 4143 | status = decode_open(&xdr, res); |
Trond Myklebust | 864472e | 2006-01-03 09:55:15 +0100 | [diff] [blame] | 4144 | if (status) |
| 4145 | goto out; |
| 4146 | decode_getfattr(&xdr, res->f_attr, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4147 | out: |
| 4148 | return status; |
| 4149 | } |
| 4150 | |
| 4151 | /* |
| 4152 | * Decode SETATTR response |
| 4153 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4154 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_setattrres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4155 | { |
| 4156 | struct xdr_stream xdr; |
| 4157 | struct compound_hdr hdr; |
| 4158 | int status; |
| 4159 | |
| 4160 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 4161 | status = decode_compound_hdr(&xdr, &hdr); |
| 4162 | if (status) |
| 4163 | goto out; |
| 4164 | status = decode_putfh(&xdr); |
| 4165 | if (status) |
| 4166 | goto out; |
| 4167 | status = decode_setattr(&xdr, res); |
| 4168 | if (status) |
| 4169 | goto out; |
| 4170 | status = decode_getfattr(&xdr, res->fattr, res->server); |
| 4171 | if (status == NFS4ERR_DELAY) |
| 4172 | status = 0; |
| 4173 | out: |
| 4174 | return status; |
| 4175 | } |
| 4176 | |
| 4177 | /* |
| 4178 | * Decode LOCK response |
| 4179 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4180 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lock_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4181 | { |
| 4182 | struct xdr_stream xdr; |
| 4183 | struct compound_hdr hdr; |
| 4184 | int status; |
| 4185 | |
| 4186 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 4187 | status = decode_compound_hdr(&xdr, &hdr); |
| 4188 | if (status) |
| 4189 | goto out; |
| 4190 | status = decode_putfh(&xdr); |
| 4191 | if (status) |
| 4192 | goto out; |
| 4193 | status = decode_lock(&xdr, res); |
| 4194 | out: |
| 4195 | return status; |
| 4196 | } |
| 4197 | |
| 4198 | /* |
| 4199 | * Decode LOCKT response |
| 4200 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4201 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lockt_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4202 | { |
| 4203 | struct xdr_stream xdr; |
| 4204 | struct compound_hdr hdr; |
| 4205 | int status; |
| 4206 | |
| 4207 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 4208 | status = decode_compound_hdr(&xdr, &hdr); |
| 4209 | if (status) |
| 4210 | goto out; |
| 4211 | status = decode_putfh(&xdr); |
| 4212 | if (status) |
| 4213 | goto out; |
| 4214 | status = decode_lockt(&xdr, res); |
| 4215 | out: |
| 4216 | return status; |
| 4217 | } |
| 4218 | |
| 4219 | /* |
| 4220 | * Decode LOCKU response |
| 4221 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4222 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, __be32 *p, struct nfs_locku_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4223 | { |
| 4224 | struct xdr_stream xdr; |
| 4225 | struct compound_hdr hdr; |
| 4226 | int status; |
| 4227 | |
| 4228 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 4229 | status = decode_compound_hdr(&xdr, &hdr); |
| 4230 | if (status) |
| 4231 | goto out; |
| 4232 | status = decode_putfh(&xdr); |
| 4233 | if (status) |
| 4234 | goto out; |
| 4235 | status = decode_locku(&xdr, res); |
| 4236 | out: |
| 4237 | return status; |
| 4238 | } |
| 4239 | |
| 4240 | /* |
| 4241 | * Decode READLINK response |
| 4242 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4243 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, __be32 *p, void *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4244 | { |
| 4245 | struct xdr_stream xdr; |
| 4246 | struct compound_hdr hdr; |
| 4247 | int status; |
| 4248 | |
| 4249 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 4250 | status = decode_compound_hdr(&xdr, &hdr); |
| 4251 | if (status) |
| 4252 | goto out; |
| 4253 | status = decode_putfh(&xdr); |
| 4254 | if (status) |
| 4255 | goto out; |
| 4256 | status = decode_readlink(&xdr, rqstp); |
| 4257 | out: |
| 4258 | return status; |
| 4259 | } |
| 4260 | |
| 4261 | /* |
| 4262 | * Decode READDIR response |
| 4263 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4264 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_readdir_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4265 | { |
| 4266 | struct xdr_stream xdr; |
| 4267 | struct compound_hdr hdr; |
| 4268 | int status; |
| 4269 | |
| 4270 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 4271 | status = decode_compound_hdr(&xdr, &hdr); |
| 4272 | if (status) |
| 4273 | goto out; |
| 4274 | status = decode_putfh(&xdr); |
| 4275 | if (status) |
| 4276 | goto out; |
| 4277 | status = decode_readdir(&xdr, rqstp, res); |
| 4278 | out: |
| 4279 | return status; |
| 4280 | } |
| 4281 | |
| 4282 | /* |
| 4283 | * Decode Read response |
| 4284 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4285 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, __be32 *p, struct nfs_readres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4286 | { |
| 4287 | struct xdr_stream xdr; |
| 4288 | struct compound_hdr hdr; |
| 4289 | int status; |
| 4290 | |
| 4291 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 4292 | status = decode_compound_hdr(&xdr, &hdr); |
| 4293 | if (status) |
| 4294 | goto out; |
| 4295 | status = decode_putfh(&xdr); |
| 4296 | if (status) |
| 4297 | goto out; |
| 4298 | status = decode_read(&xdr, rqstp, res); |
| 4299 | if (!status) |
| 4300 | status = res->count; |
| 4301 | out: |
| 4302 | return status; |
| 4303 | } |
| 4304 | |
| 4305 | /* |
| 4306 | * Decode WRITE response |
| 4307 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4308 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4309 | { |
| 4310 | struct xdr_stream xdr; |
| 4311 | struct compound_hdr hdr; |
| 4312 | int status; |
| 4313 | |
| 4314 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 4315 | status = decode_compound_hdr(&xdr, &hdr); |
| 4316 | if (status) |
| 4317 | goto out; |
| 4318 | status = decode_putfh(&xdr); |
| 4319 | if (status) |
| 4320 | goto out; |
| 4321 | status = decode_write(&xdr, res); |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 4322 | if (status) |
| 4323 | goto out; |
| 4324 | decode_getfattr(&xdr, res->fattr, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4325 | if (!status) |
| 4326 | status = res->count; |
| 4327 | out: |
| 4328 | return status; |
| 4329 | } |
| 4330 | |
| 4331 | /* |
| 4332 | * Decode COMMIT response |
| 4333 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4334 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4335 | { |
| 4336 | struct xdr_stream xdr; |
| 4337 | struct compound_hdr hdr; |
| 4338 | int status; |
| 4339 | |
| 4340 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 4341 | status = decode_compound_hdr(&xdr, &hdr); |
| 4342 | if (status) |
| 4343 | goto out; |
| 4344 | status = decode_putfh(&xdr); |
| 4345 | if (status) |
| 4346 | goto out; |
| 4347 | status = decode_commit(&xdr, res); |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 4348 | if (status) |
| 4349 | goto out; |
| 4350 | decode_getfattr(&xdr, res->fattr, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4351 | out: |
| 4352 | return status; |
| 4353 | } |
| 4354 | |
| 4355 | /* |
| 4356 | * FSINFO request |
| 4357 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4358 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs_fsinfo *fsinfo) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4359 | { |
| 4360 | struct xdr_stream xdr; |
| 4361 | struct compound_hdr hdr; |
| 4362 | int status; |
| 4363 | |
| 4364 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); |
| 4365 | status = decode_compound_hdr(&xdr, &hdr); |
| 4366 | if (!status) |
| 4367 | status = decode_putfh(&xdr); |
| 4368 | if (!status) |
| 4369 | status = decode_fsinfo(&xdr, fsinfo); |
| 4370 | if (!status) |
David Howells | 0a8ea43 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 4371 | status = -nfs4_stat_to_errno(hdr.status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4372 | return status; |
| 4373 | } |
| 4374 | |
| 4375 | /* |
| 4376 | * PATHCONF request |
| 4377 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4378 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, __be32 *p, struct nfs_pathconf *pathconf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4379 | { |
| 4380 | struct xdr_stream xdr; |
| 4381 | struct compound_hdr hdr; |
| 4382 | int status; |
| 4383 | |
| 4384 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); |
| 4385 | status = decode_compound_hdr(&xdr, &hdr); |
| 4386 | if (!status) |
| 4387 | status = decode_putfh(&xdr); |
| 4388 | if (!status) |
| 4389 | status = decode_pathconf(&xdr, pathconf); |
| 4390 | return status; |
| 4391 | } |
| 4392 | |
| 4393 | /* |
| 4394 | * STATFS request |
| 4395 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4396 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, __be32 *p, struct nfs_fsstat *fsstat) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4397 | { |
| 4398 | struct xdr_stream xdr; |
| 4399 | struct compound_hdr hdr; |
| 4400 | int status; |
| 4401 | |
| 4402 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); |
| 4403 | status = decode_compound_hdr(&xdr, &hdr); |
| 4404 | if (!status) |
| 4405 | status = decode_putfh(&xdr); |
| 4406 | if (!status) |
| 4407 | status = decode_statfs(&xdr, fsstat); |
| 4408 | return status; |
| 4409 | } |
| 4410 | |
| 4411 | /* |
| 4412 | * GETATTR_BITMAP request |
| 4413 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4414 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, __be32 *p, struct nfs4_server_caps_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4415 | { |
| 4416 | struct xdr_stream xdr; |
| 4417 | struct compound_hdr hdr; |
| 4418 | int status; |
| 4419 | |
| 4420 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); |
| 4421 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) |
| 4422 | goto out; |
| 4423 | if ((status = decode_putfh(&xdr)) != 0) |
| 4424 | goto out; |
| 4425 | status = decode_server_caps(&xdr, res); |
| 4426 | out: |
| 4427 | return status; |
| 4428 | } |
| 4429 | |
| 4430 | /* |
| 4431 | * Decode RENEW response |
| 4432 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4433 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, __be32 *p, void *dummy) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4434 | { |
| 4435 | struct xdr_stream xdr; |
| 4436 | struct compound_hdr hdr; |
| 4437 | int status; |
| 4438 | |
| 4439 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 4440 | status = decode_compound_hdr(&xdr, &hdr); |
| 4441 | if (!status) |
| 4442 | status = decode_renew(&xdr); |
| 4443 | return status; |
| 4444 | } |
| 4445 | |
| 4446 | /* |
| 4447 | * a SETCLIENTID request |
| 4448 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4449 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, __be32 *p, |
David Howells | adfa6f9 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 4450 | struct nfs_client *clp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4451 | { |
| 4452 | struct xdr_stream xdr; |
| 4453 | struct compound_hdr hdr; |
| 4454 | int status; |
| 4455 | |
| 4456 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); |
| 4457 | status = decode_compound_hdr(&xdr, &hdr); |
| 4458 | if (!status) |
| 4459 | status = decode_setclientid(&xdr, clp); |
| 4460 | if (!status) |
David Howells | 0a8ea43 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 4461 | status = -nfs4_stat_to_errno(hdr.status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4462 | return status; |
| 4463 | } |
| 4464 | |
| 4465 | /* |
| 4466 | * a SETCLIENTID_CONFIRM request |
| 4467 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4468 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_fsinfo *fsinfo) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4469 | { |
| 4470 | struct xdr_stream xdr; |
| 4471 | struct compound_hdr hdr; |
| 4472 | int status; |
| 4473 | |
| 4474 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); |
| 4475 | status = decode_compound_hdr(&xdr, &hdr); |
| 4476 | if (!status) |
| 4477 | status = decode_setclientid_confirm(&xdr); |
| 4478 | if (!status) |
| 4479 | status = decode_putrootfh(&xdr); |
| 4480 | if (!status) |
| 4481 | status = decode_fsinfo(&xdr, fsinfo); |
| 4482 | if (!status) |
David Howells | 0a8ea43 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 4483 | status = -nfs4_stat_to_errno(hdr.status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4484 | return status; |
| 4485 | } |
| 4486 | |
| 4487 | /* |
| 4488 | * DELEGRETURN request |
| 4489 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4490 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_delegreturnres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4491 | { |
| 4492 | struct xdr_stream xdr; |
| 4493 | struct compound_hdr hdr; |
| 4494 | int status; |
| 4495 | |
| 4496 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 4497 | status = decode_compound_hdr(&xdr, &hdr); |
Trond Myklebust | fa178f2 | 2006-01-03 09:55:38 +0100 | [diff] [blame] | 4498 | if (status != 0) |
| 4499 | goto out; |
| 4500 | status = decode_putfh(&xdr); |
| 4501 | if (status != 0) |
| 4502 | goto out; |
| 4503 | status = decode_delegreturn(&xdr); |
| 4504 | decode_getfattr(&xdr, res->fattr, res->server); |
| 4505 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4506 | return status; |
| 4507 | } |
| 4508 | |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 4509 | /* |
| 4510 | * FS_LOCATIONS request |
| 4511 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4512 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs4_fs_locations *res) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 4513 | { |
| 4514 | struct xdr_stream xdr; |
| 4515 | struct compound_hdr hdr; |
| 4516 | int status; |
| 4517 | |
| 4518 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); |
| 4519 | status = decode_compound_hdr(&xdr, &hdr); |
| 4520 | if (status != 0) |
| 4521 | goto out; |
| 4522 | if ((status = decode_putfh(&xdr)) != 0) |
| 4523 | goto out; |
| 4524 | if ((status = decode_lookup(&xdr)) != 0) |
| 4525 | goto out; |
| 4526 | xdr_enter_page(&xdr, PAGE_SIZE); |
| 4527 | status = decode_getfattr(&xdr, &res->fattr, res->server); |
| 4528 | out: |
| 4529 | return status; |
| 4530 | } |
| 4531 | |
Al Viro | 0dbb4c6 | 2006-10-19 23:28:49 -0700 | [diff] [blame] | 4532 | __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4533 | { |
| 4534 | uint32_t bitmap[2] = {0}; |
| 4535 | uint32_t len; |
| 4536 | |
| 4537 | if (!*p++) { |
| 4538 | if (!*p) |
| 4539 | return ERR_PTR(-EAGAIN); |
| 4540 | entry->eof = 1; |
| 4541 | return ERR_PTR(-EBADCOOKIE); |
| 4542 | } |
| 4543 | |
| 4544 | entry->prev_cookie = entry->cookie; |
| 4545 | p = xdr_decode_hyper(p, &entry->cookie); |
| 4546 | entry->len = ntohl(*p++); |
| 4547 | entry->name = (const char *) p; |
| 4548 | p += XDR_QUADLEN(entry->len); |
| 4549 | |
| 4550 | /* |
| 4551 | * In case the server doesn't return an inode number, |
| 4552 | * we fake one here. (We don't use inode number 0, |
| 4553 | * since glibc seems to choke on it...) |
| 4554 | */ |
| 4555 | entry->ino = 1; |
| 4556 | |
| 4557 | len = ntohl(*p++); /* bitmap length */ |
| 4558 | if (len-- > 0) { |
| 4559 | bitmap[0] = ntohl(*p++); |
| 4560 | if (len-- > 0) { |
| 4561 | bitmap[1] = ntohl(*p++); |
| 4562 | p += len; |
| 4563 | } |
| 4564 | } |
| 4565 | len = XDR_QUADLEN(ntohl(*p++)); /* attribute buffer length */ |
| 4566 | if (len > 0) { |
Manoj Naik | 97d312d | 2005-06-22 17:16:39 +0000 | [diff] [blame] | 4567 | if (bitmap[0] & FATTR4_WORD0_RDATTR_ERROR) { |
| 4568 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; |
| 4569 | /* Ignore the return value of rdattr_error for now */ |
| 4570 | p++; |
| 4571 | len--; |
| 4572 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4573 | if (bitmap[0] == 0 && bitmap[1] == FATTR4_WORD1_MOUNTED_ON_FILEID) |
| 4574 | xdr_decode_hyper(p, &entry->ino); |
| 4575 | else if (bitmap[0] == FATTR4_WORD0_FILEID) |
| 4576 | xdr_decode_hyper(p, &entry->ino); |
| 4577 | p += len; |
| 4578 | } |
| 4579 | |
| 4580 | entry->eof = !p[0] && p[1]; |
| 4581 | return p; |
| 4582 | } |
| 4583 | |
| 4584 | /* |
| 4585 | * We need to translate between nfs status return values and |
| 4586 | * the local errno values which may not be the same. |
| 4587 | */ |
| 4588 | static struct { |
| 4589 | int stat; |
| 4590 | int errno; |
| 4591 | } nfs_errtbl[] = { |
| 4592 | { NFS4_OK, 0 }, |
| 4593 | { NFS4ERR_PERM, EPERM }, |
| 4594 | { NFS4ERR_NOENT, ENOENT }, |
| 4595 | { NFS4ERR_IO, errno_NFSERR_IO }, |
| 4596 | { NFS4ERR_NXIO, ENXIO }, |
| 4597 | { NFS4ERR_ACCESS, EACCES }, |
| 4598 | { NFS4ERR_EXIST, EEXIST }, |
| 4599 | { NFS4ERR_XDEV, EXDEV }, |
| 4600 | { NFS4ERR_NOTDIR, ENOTDIR }, |
| 4601 | { NFS4ERR_ISDIR, EISDIR }, |
| 4602 | { NFS4ERR_INVAL, EINVAL }, |
| 4603 | { NFS4ERR_FBIG, EFBIG }, |
| 4604 | { NFS4ERR_NOSPC, ENOSPC }, |
| 4605 | { NFS4ERR_ROFS, EROFS }, |
| 4606 | { NFS4ERR_MLINK, EMLINK }, |
| 4607 | { NFS4ERR_NAMETOOLONG, ENAMETOOLONG }, |
| 4608 | { NFS4ERR_NOTEMPTY, ENOTEMPTY }, |
| 4609 | { NFS4ERR_DQUOT, EDQUOT }, |
| 4610 | { NFS4ERR_STALE, ESTALE }, |
| 4611 | { NFS4ERR_BADHANDLE, EBADHANDLE }, |
Manoj Naik | 6ebf365 | 2005-06-22 17:16:39 +0000 | [diff] [blame] | 4612 | { NFS4ERR_BADOWNER, EINVAL }, |
| 4613 | { NFS4ERR_BADNAME, EINVAL }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4614 | { NFS4ERR_BAD_COOKIE, EBADCOOKIE }, |
| 4615 | { NFS4ERR_NOTSUPP, ENOTSUPP }, |
| 4616 | { NFS4ERR_TOOSMALL, ETOOSMALL }, |
| 4617 | { NFS4ERR_SERVERFAULT, ESERVERFAULT }, |
| 4618 | { NFS4ERR_BADTYPE, EBADTYPE }, |
| 4619 | { NFS4ERR_LOCKED, EAGAIN }, |
| 4620 | { NFS4ERR_RESOURCE, EREMOTEIO }, |
| 4621 | { NFS4ERR_SYMLINK, ELOOP }, |
| 4622 | { NFS4ERR_OP_ILLEGAL, EOPNOTSUPP }, |
| 4623 | { NFS4ERR_DEADLOCK, EDEADLK }, |
| 4624 | { NFS4ERR_WRONGSEC, EPERM }, /* FIXME: this needs |
| 4625 | * to be handled by a |
| 4626 | * middle-layer. |
| 4627 | */ |
| 4628 | { -1, EIO } |
| 4629 | }; |
| 4630 | |
| 4631 | /* |
| 4632 | * Convert an NFS error code to a local one. |
| 4633 | * This one is used jointly by NFSv2 and NFSv3. |
| 4634 | */ |
| 4635 | static int |
David Howells | 0a8ea43 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 4636 | nfs4_stat_to_errno(int stat) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4637 | { |
| 4638 | int i; |
| 4639 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { |
| 4640 | if (nfs_errtbl[i].stat == stat) |
| 4641 | return nfs_errtbl[i].errno; |
| 4642 | } |
| 4643 | if (stat <= 10000 || stat > 10100) { |
| 4644 | /* The server is looney tunes. */ |
| 4645 | return ESERVERFAULT; |
| 4646 | } |
| 4647 | /* If we cannot translate the error, the recovery routines should |
| 4648 | * handle it. |
| 4649 | * Note: remaining NFSv4 error codes have values > 10000, so should |
| 4650 | * not conflict with native Linux error codes. |
| 4651 | */ |
| 4652 | return stat; |
| 4653 | } |
| 4654 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4655 | #define PROC(proc, argtype, restype) \ |
| 4656 | [NFSPROC4_CLNT_##proc] = { \ |
| 4657 | .p_proc = NFSPROC4_COMPOUND, \ |
| 4658 | .p_encode = (kxdrproc_t) nfs4_xdr_##argtype, \ |
| 4659 | .p_decode = (kxdrproc_t) nfs4_xdr_##restype, \ |
Chuck Lever | 2bea90d | 2007-03-29 16:47:53 -0400 | [diff] [blame] | 4660 | .p_arglen = NFS4_##argtype##_sz, \ |
| 4661 | .p_replen = NFS4_##restype##_sz, \ |
Chuck Lever | cc0175c | 2006-03-20 13:44:22 -0500 | [diff] [blame] | 4662 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
| 4663 | .p_name = #proc, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4664 | } |
| 4665 | |
| 4666 | struct rpc_procinfo nfs4_procedures[] = { |
| 4667 | PROC(READ, enc_read, dec_read), |
| 4668 | PROC(WRITE, enc_write, dec_write), |
| 4669 | PROC(COMMIT, enc_commit, dec_commit), |
| 4670 | PROC(OPEN, enc_open, dec_open), |
| 4671 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), |
| 4672 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), |
| 4673 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), |
| 4674 | PROC(CLOSE, enc_close, dec_close), |
| 4675 | PROC(SETATTR, enc_setattr, dec_setattr), |
| 4676 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), |
| 4677 | PROC(RENEW, enc_renew, dec_renew), |
| 4678 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), |
| 4679 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), |
| 4680 | PROC(LOCK, enc_lock, dec_lock), |
| 4681 | PROC(LOCKT, enc_lockt, dec_lockt), |
| 4682 | PROC(LOCKU, enc_locku, dec_locku), |
| 4683 | PROC(ACCESS, enc_access, dec_access), |
| 4684 | PROC(GETATTR, enc_getattr, dec_getattr), |
| 4685 | PROC(LOOKUP, enc_lookup, dec_lookup), |
| 4686 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), |
| 4687 | PROC(REMOVE, enc_remove, dec_remove), |
| 4688 | PROC(RENAME, enc_rename, dec_rename), |
| 4689 | PROC(LINK, enc_link, dec_link), |
| 4690 | PROC(SYMLINK, enc_symlink, dec_symlink), |
| 4691 | PROC(CREATE, enc_create, dec_create), |
| 4692 | PROC(PATHCONF, enc_pathconf, dec_pathconf), |
| 4693 | PROC(STATFS, enc_statfs, dec_statfs), |
| 4694 | PROC(READLINK, enc_readlink, dec_readlink), |
| 4695 | PROC(READDIR, enc_readdir, dec_readdir), |
| 4696 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), |
| 4697 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 4698 | PROC(GETACL, enc_getacl, dec_getacl), |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 4699 | PROC(SETACL, enc_setacl, dec_setacl), |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 4700 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4701 | }; |
| 4702 | |
| 4703 | struct rpc_version nfs_version4 = { |
| 4704 | .number = 4, |
Tobias Klauser | e8c96f8 | 2006-03-24 03:15:34 -0800 | [diff] [blame] | 4705 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4706 | .procs = nfs4_procedures |
| 4707 | }; |
| 4708 | |
| 4709 | /* |
| 4710 | * Local variables: |
| 4711 | * c-basic-offset: 8 |
| 4712 | * End: |
| 4713 | */ |