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> |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 11 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | #include <linux/errno.h> |
| 42 | #include <linux/string.h> |
| 43 | #include <linux/in.h> |
| 44 | #include <linux/pagemap.h> |
| 45 | #include <linux/proc_fs.h> |
| 46 | #include <linux/kdev_t.h> |
| 47 | #include <linux/sunrpc/clnt.h> |
Alexandros Batsakis | 2449ea2 | 2009-12-05 13:36:55 -0500 | [diff] [blame] | 48 | #include <linux/sunrpc/msg_prot.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | #include <linux/nfs.h> |
| 50 | #include <linux/nfs4.h> |
| 51 | #include <linux/nfs_fs.h> |
| 52 | #include <linux/nfs_idmap.h> |
Trond Myklebust | 4ce7971 | 2005-06-22 17:16:21 +0000 | [diff] [blame] | 53 | #include "nfs4_fs.h" |
Alexandros Batsakis | 4882ef7 | 2009-12-05 13:30:21 -0500 | [diff] [blame] | 54 | #include "internal.h" |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 55 | #include "pnfs.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | |
| 57 | #define NFSDBG_FACILITY NFSDBG_XDR |
| 58 | |
| 59 | /* Mapping from NFS error code to "errno" error code. */ |
| 60 | #define errno_NFSERR_IO EIO |
| 61 | |
David Howells | 0a8ea43 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 62 | static int nfs4_stat_to_errno(int); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | |
| 64 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ |
| 65 | #ifdef DEBUG |
| 66 | #define NFS4_MAXTAGLEN 20 |
| 67 | #else |
| 68 | #define NFS4_MAXTAGLEN 0 |
| 69 | #endif |
| 70 | |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 71 | /* lock,open owner id: |
Trond Myklebust | 9f958ab | 2007-07-02 13:58:33 -0400 | [diff] [blame] | 72 | * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | */ |
Trond Myklebust | 9f958ab | 2007-07-02 13:58:33 -0400 | [diff] [blame] | 74 | #define open_owner_id_maxsz (1 + 4) |
| 75 | #define lock_owner_id_maxsz (1 + 4) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 76 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
| 78 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
| 79 | #define op_encode_hdr_maxsz (1) |
| 80 | #define op_decode_hdr_maxsz (2) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 81 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
| 82 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
| 83 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) |
| 84 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
| 86 | (NFS4_FHSIZE >> 2)) |
| 87 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) |
| 88 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) |
| 89 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) |
| 90 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) |
| 91 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ |
| 92 | ((3+NFS4_FHSIZE) >> 2)) |
J. Bruce Fields | 9692820 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 93 | #define nfs4_fattr_bitmap_maxsz 3 |
| 94 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
| 96 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) |
Trond Myklebust | bd625ba | 2007-07-08 18:38:23 -0400 | [diff] [blame] | 97 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
| 98 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
J. Bruce Fields | 9692820 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 99 | /* This is based on getfattr, which uses the most attributes: */ |
| 100 | #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] | 101 | 3 + 3 + 3 + nfs4_owner_maxsz + nfs4_group_maxsz)) |
J. Bruce Fields | 9692820 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 102 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
| 103 | nfs4_fattr_value_maxsz) |
| 104 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 105 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
| 106 | 1 + 2 + 1 + \ |
| 107 | nfs4_owner_maxsz + \ |
| 108 | nfs4_group_maxsz + \ |
| 109 | 4 + 4) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
| 111 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 112 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
| 113 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) |
Fred Isaman | 2f42b5d | 2008-03-13 15:26:30 +0200 | [diff] [blame] | 114 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 11) |
| 116 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) |
| 117 | #define decode_renew_maxsz (op_decode_hdr_maxsz) |
| 118 | #define encode_setclientid_maxsz \ |
| 119 | (op_encode_hdr_maxsz + \ |
Chuck Lever | cc38bac | 2007-12-10 14:56:54 -0500 | [diff] [blame] | 120 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
| 121 | XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ |
| 122 | 1 /* sc_prog */ + \ |
| 123 | XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ |
| 124 | XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ |
| 125 | 1) /* sc_cb_ident */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | #define decode_setclientid_maxsz \ |
| 127 | (op_decode_hdr_maxsz + \ |
| 128 | 2 + \ |
| 129 | 1024) /* large value for CLID_INUSE */ |
| 130 | #define encode_setclientid_confirm_maxsz \ |
| 131 | (op_encode_hdr_maxsz + \ |
| 132 | 3 + (NFS4_VERIFIER_SIZE >> 2)) |
| 133 | #define decode_setclientid_confirm_maxsz \ |
| 134 | (op_decode_hdr_maxsz) |
Trond Myklebust | e688962 | 2007-07-02 13:58:30 -0400 | [diff] [blame] | 135 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
| 136 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 137 | #define encode_share_access_maxsz \ |
| 138 | (2) |
Alexandros Batsakis | 4882ef7 | 2009-12-05 13:30:21 -0500 | [diff] [blame] | 139 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz) |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 140 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
| 141 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) |
| 142 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ |
| 143 | 2 + encode_share_access_maxsz + 2 + \ |
| 144 | open_owner_id_maxsz + \ |
| 145 | encode_opentype_maxsz + \ |
| 146 | encode_claim_null_maxsz) |
| 147 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 148 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 149 | decode_ace_maxsz) |
| 150 | #define decode_change_info_maxsz (5) |
| 151 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 152 | decode_stateid_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 153 | decode_change_info_maxsz + 1 + \ |
| 154 | nfs4_fattr_bitmap_maxsz + \ |
| 155 | decode_delegation_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 156 | #define encode_open_confirm_maxsz \ |
| 157 | (op_encode_hdr_maxsz + \ |
| 158 | encode_stateid_maxsz + 1) |
| 159 | #define decode_open_confirm_maxsz \ |
| 160 | (op_decode_hdr_maxsz + \ |
| 161 | decode_stateid_maxsz) |
| 162 | #define encode_open_downgrade_maxsz \ |
| 163 | (op_encode_hdr_maxsz + \ |
| 164 | encode_stateid_maxsz + 1 + \ |
| 165 | encode_share_access_maxsz) |
| 166 | #define decode_open_downgrade_maxsz \ |
| 167 | (op_decode_hdr_maxsz + \ |
| 168 | decode_stateid_maxsz) |
| 169 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ |
| 170 | 1 + encode_stateid_maxsz) |
| 171 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ |
| 172 | decode_stateid_maxsz) |
| 173 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ |
| 174 | encode_stateid_maxsz + \ |
| 175 | encode_attrs_maxsz) |
| 176 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ |
| 177 | nfs4_fattr_bitmap_maxsz) |
| 178 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ |
| 179 | encode_stateid_maxsz + 3) |
| 180 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2) |
| 181 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ |
| 182 | 2 + encode_verifier_maxsz + 5) |
| 183 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ |
| 184 | decode_verifier_maxsz) |
| 185 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) |
| 186 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) |
| 187 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ |
| 188 | encode_stateid_maxsz + 4) |
| 189 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ |
| 190 | 2 + decode_verifier_maxsz) |
| 191 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) |
| 192 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ |
| 193 | decode_verifier_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 194 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
| 195 | nfs4_name_maxsz) |
Benny Halevy | 6ce1839 | 2009-04-01 09:22:06 -0400 | [diff] [blame] | 196 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
| 197 | decode_change_info_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
| 199 | 2 * nfs4_name_maxsz) |
Benny Halevy | 6ce1839 | 2009-04-01 09:22:06 -0400 | [diff] [blame] | 200 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
| 201 | decode_change_info_maxsz + \ |
| 202 | decode_change_info_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
| 204 | nfs4_name_maxsz) |
Benny Halevy | 6ce1839 | 2009-04-01 09:22:06 -0400 | [diff] [blame] | 205 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
Trond Myklebust | daccbde | 2010-06-25 18:11:43 -0400 | [diff] [blame] | 206 | #define encode_lockowner_maxsz (7) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 207 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
| 208 | 7 + \ |
Trond Myklebust | daccbde | 2010-06-25 18:11:43 -0400 | [diff] [blame] | 209 | 1 + encode_stateid_maxsz + 1 + \ |
| 210 | encode_lockowner_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 211 | #define decode_lock_denied_maxsz \ |
| 212 | (8 + decode_lockowner_maxsz) |
| 213 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ |
| 214 | decode_lock_denied_maxsz) |
Trond Myklebust | daccbde | 2010-06-25 18:11:43 -0400 | [diff] [blame] | 215 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
| 216 | encode_lockowner_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 217 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
| 218 | decode_lock_denied_maxsz) |
| 219 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ |
| 220 | encode_stateid_maxsz + \ |
| 221 | 4) |
| 222 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ |
| 223 | decode_stateid_maxsz) |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 224 | #define encode_release_lockowner_maxsz \ |
| 225 | (op_encode_hdr_maxsz + \ |
| 226 | encode_lockowner_maxsz) |
| 227 | #define decode_release_lockowner_maxsz \ |
| 228 | (op_decode_hdr_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 229 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
| 230 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 231 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
| 232 | 1 + nfs4_name_maxsz + \ |
Chuck Lever | 94a6d75 | 2006-08-22 20:06:23 -0400 | [diff] [blame] | 233 | 1 + \ |
J. Bruce Fields | 9692820 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 234 | nfs4_fattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 235 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
| 236 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 237 | 1 + 2 + nfs4_name_maxsz + \ |
| 238 | encode_attrs_maxsz) |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 239 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
| 240 | decode_change_info_maxsz + \ |
| 241 | nfs4_fattr_bitmap_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 242 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
| 243 | #define decode_statfs_maxsz (decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
| 245 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 246 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
| 247 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ |
| 248 | nfs4_fattr_bitmap_maxsz + 1) |
| 249 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ |
| 250 | encode_stateid_maxsz + 3) |
| 251 | #define decode_setacl_maxsz (decode_setattr_maxsz) |
Trond Myklebust | e688962 | 2007-07-02 13:58:30 -0400 | [diff] [blame] | 252 | #define encode_fs_locations_maxsz \ |
| 253 | (encode_getattr_maxsz) |
| 254 | #define decode_fs_locations_maxsz \ |
| 255 | (0) |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 256 | |
| 257 | #if defined(CONFIG_NFS_V4_1) |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 258 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
| 259 | |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 260 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
| 261 | encode_verifier_maxsz + \ |
| 262 | 1 /* co_ownerid.len */ + \ |
| 263 | XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \ |
| 264 | 1 /* flags */ + \ |
| 265 | 1 /* spa_how */ + \ |
| 266 | 0 /* SP4_NONE (for now) */ + \ |
| 267 | 1 /* zero implemetation id array */) |
| 268 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ |
| 269 | 2 /* eir_clientid */ + \ |
| 270 | 1 /* eir_sequenceid */ + \ |
| 271 | 1 /* eir_flags */ + \ |
| 272 | 1 /* spr_how */ + \ |
| 273 | 0 /* SP4_NONE (for now) */ + \ |
| 274 | 2 /* eir_server_owner.so_minor_id */ + \ |
| 275 | /* eir_server_owner.so_major_id<> */ \ |
| 276 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ |
| 277 | /* eir_server_scope<> */ \ |
| 278 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ |
| 279 | 1 /* eir_server_impl_id array length */ + \ |
| 280 | 0 /* ignored eir_server_impl_id contents */) |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 281 | #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) |
| 282 | #define decode_channel_attrs_maxsz (6 + \ |
| 283 | 1 /* ca_rdma_ird.len */ + \ |
| 284 | 1 /* ca_rdma_ird */) |
| 285 | #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ |
| 286 | 2 /* csa_clientid */ + \ |
| 287 | 1 /* csa_sequence */ + \ |
| 288 | 1 /* csa_flags */ + \ |
| 289 | encode_channel_attrs_maxsz + \ |
| 290 | encode_channel_attrs_maxsz + \ |
| 291 | 1 /* csa_cb_program */ + \ |
| 292 | 1 /* csa_sec_parms.len (1) */ + \ |
| 293 | 1 /* cb_secflavor (AUTH_SYS) */ + \ |
| 294 | 1 /* stamp */ + \ |
| 295 | 1 /* machinename.len */ + \ |
| 296 | XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ |
| 297 | 1 /* uid */ + \ |
| 298 | 1 /* gid */ + \ |
| 299 | 1 /* gids.len (0) */) |
| 300 | #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ |
| 301 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ |
| 302 | 1 /* csr_sequence */ + \ |
| 303 | 1 /* csr_flags */ + \ |
| 304 | decode_channel_attrs_maxsz + \ |
| 305 | decode_channel_attrs_maxsz) |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 306 | #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) |
| 307 | #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 308 | #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ |
| 309 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) |
| 310 | #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ |
| 311 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) |
Ricardo Labiaga | 1801975 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 312 | #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) |
| 313 | #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 314 | #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \ |
| 315 | XDR_QUADLEN(NFS4_DEVICEID4_SIZE)) |
| 316 | #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \ |
| 317 | 1 /* layout type */ + \ |
| 318 | 1 /* opaque devaddr4 length */ + \ |
| 319 | /* devaddr4 payload is read into page */ \ |
| 320 | 1 /* notification bitmap length */ + \ |
| 321 | 1 /* notification bitmap */) |
| 322 | #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \ |
| 323 | encode_stateid_maxsz) |
| 324 | #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \ |
| 325 | decode_stateid_maxsz + \ |
| 326 | XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE)) |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 327 | #else /* CONFIG_NFS_V4_1 */ |
| 328 | #define encode_sequence_maxsz 0 |
| 329 | #define decode_sequence_maxsz 0 |
| 330 | #endif /* CONFIG_NFS_V4_1 */ |
| 331 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 332 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
| 333 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ |
| 334 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 335 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 337 | encode_read_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 338 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 339 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 340 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 341 | decode_read_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 342 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 343 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 344 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 345 | encode_readlink_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 346 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 347 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 348 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 349 | decode_readlink_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 351 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 352 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 353 | encode_readdir_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 354 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 355 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 356 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 357 | decode_readdir_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 359 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 360 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 361 | encode_write_maxsz + \ |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 362 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 363 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 364 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 365 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 366 | decode_write_maxsz + \ |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 367 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 369 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 370 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 371 | encode_commit_maxsz + \ |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 372 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 373 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 374 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 376 | decode_commit_maxsz + \ |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 377 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 379 | encode_sequence_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 380 | encode_putfh_maxsz + \ |
| 381 | encode_savefh_maxsz + \ |
| 382 | encode_open_maxsz + \ |
| 383 | encode_getfh_maxsz + \ |
| 384 | encode_getattr_maxsz + \ |
| 385 | encode_restorefh_maxsz + \ |
| 386 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 387 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 388 | decode_sequence_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 389 | decode_putfh_maxsz + \ |
| 390 | decode_savefh_maxsz + \ |
| 391 | decode_open_maxsz + \ |
| 392 | decode_getfh_maxsz + \ |
| 393 | decode_getattr_maxsz + \ |
| 394 | decode_restorefh_maxsz + \ |
| 395 | decode_getattr_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 396 | #define NFS4_enc_open_confirm_sz \ |
| 397 | (compound_encode_hdr_maxsz + \ |
| 398 | encode_putfh_maxsz + \ |
| 399 | encode_open_confirm_maxsz) |
| 400 | #define NFS4_dec_open_confirm_sz \ |
| 401 | (compound_decode_hdr_maxsz + \ |
| 402 | decode_putfh_maxsz + \ |
| 403 | decode_open_confirm_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 404 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 405 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | encode_putfh_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 407 | encode_open_maxsz + \ |
| 408 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 409 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 410 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | decode_putfh_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 412 | decode_open_maxsz + \ |
| 413 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 414 | #define NFS4_enc_open_downgrade_sz \ |
| 415 | (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 416 | encode_sequence_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 417 | encode_putfh_maxsz + \ |
| 418 | encode_open_downgrade_maxsz + \ |
| 419 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 420 | #define NFS4_dec_open_downgrade_sz \ |
| 421 | (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 422 | decode_sequence_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 423 | decode_putfh_maxsz + \ |
| 424 | decode_open_downgrade_maxsz + \ |
| 425 | decode_getattr_maxsz) |
| 426 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 427 | encode_sequence_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 428 | encode_putfh_maxsz + \ |
| 429 | encode_close_maxsz + \ |
| 430 | encode_getattr_maxsz) |
| 431 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 432 | decode_sequence_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 433 | decode_putfh_maxsz + \ |
| 434 | decode_close_maxsz + \ |
| 435 | decode_getattr_maxsz) |
| 436 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 437 | encode_sequence_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 438 | encode_putfh_maxsz + \ |
| 439 | encode_setattr_maxsz + \ |
| 440 | encode_getattr_maxsz) |
| 441 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 442 | decode_sequence_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 443 | decode_putfh_maxsz + \ |
| 444 | decode_setattr_maxsz + \ |
| 445 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 447 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | encode_putfh_maxsz + \ |
| 449 | encode_fsinfo_maxsz) |
| 450 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 451 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 452 | decode_putfh_maxsz + \ |
| 453 | decode_fsinfo_maxsz) |
| 454 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ |
| 455 | encode_renew_maxsz) |
| 456 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ |
| 457 | decode_renew_maxsz) |
| 458 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ |
| 459 | encode_setclientid_maxsz) |
| 460 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ |
| 461 | decode_setclientid_maxsz) |
| 462 | #define NFS4_enc_setclientid_confirm_sz \ |
| 463 | (compound_encode_hdr_maxsz + \ |
| 464 | encode_setclientid_confirm_maxsz + \ |
| 465 | encode_putrootfh_maxsz + \ |
| 466 | encode_fsinfo_maxsz) |
| 467 | #define NFS4_dec_setclientid_confirm_sz \ |
| 468 | (compound_decode_hdr_maxsz + \ |
| 469 | decode_setclientid_confirm_maxsz + \ |
| 470 | decode_putrootfh_maxsz + \ |
| 471 | decode_fsinfo_maxsz) |
| 472 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 473 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 474 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 475 | encode_lock_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 477 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 478 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 479 | decode_lock_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 480 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 481 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 482 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 483 | encode_lockt_maxsz) |
| 484 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 485 | decode_sequence_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 486 | decode_putfh_maxsz + \ |
| 487 | decode_lockt_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 489 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 490 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 491 | encode_locku_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 492 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 493 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 494 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 495 | decode_locku_maxsz) |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 496 | #define NFS4_enc_release_lockowner_sz \ |
| 497 | (compound_encode_hdr_maxsz + \ |
| 498 | encode_lockowner_maxsz) |
| 499 | #define NFS4_dec_release_lockowner_sz \ |
| 500 | (compound_decode_hdr_maxsz + \ |
| 501 | decode_lockowner_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 503 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 504 | encode_putfh_maxsz + \ |
Trond Myklebust | 76b3299 | 2007-08-10 17:45:11 -0400 | [diff] [blame] | 505 | encode_access_maxsz + \ |
| 506 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 507 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 508 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 509 | decode_putfh_maxsz + \ |
Trond Myklebust | 76b3299 | 2007-08-10 17:45:11 -0400 | [diff] [blame] | 510 | decode_access_maxsz + \ |
| 511 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 512 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 513 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 514 | encode_putfh_maxsz + \ |
| 515 | encode_getattr_maxsz) |
| 516 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 517 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | decode_putfh_maxsz + \ |
| 519 | decode_getattr_maxsz) |
| 520 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 521 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 522 | encode_putfh_maxsz + \ |
| 523 | encode_lookup_maxsz + \ |
| 524 | encode_getattr_maxsz + \ |
| 525 | encode_getfh_maxsz) |
| 526 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 527 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 528 | decode_putfh_maxsz + \ |
Trond Myklebust | e688962 | 2007-07-02 13:58:30 -0400 | [diff] [blame] | 529 | decode_lookup_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 530 | decode_getattr_maxsz + \ |
| 531 | decode_getfh_maxsz) |
| 532 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 533 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 534 | encode_putrootfh_maxsz + \ |
| 535 | encode_getattr_maxsz + \ |
| 536 | encode_getfh_maxsz) |
| 537 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 538 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | decode_putrootfh_maxsz + \ |
| 540 | decode_getattr_maxsz + \ |
| 541 | decode_getfh_maxsz) |
| 542 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 543 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 544 | encode_putfh_maxsz + \ |
Trond Myklebust | 16e4295 | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 545 | encode_remove_maxsz + \ |
| 546 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 547 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 548 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 549 | decode_putfh_maxsz + \ |
Benny Halevy | 6ce1839 | 2009-04-01 09:22:06 -0400 | [diff] [blame] | 550 | decode_remove_maxsz + \ |
Trond Myklebust | 16e4295 | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 551 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 552 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 553 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 554 | encode_putfh_maxsz + \ |
| 555 | encode_savefh_maxsz + \ |
| 556 | encode_putfh_maxsz + \ |
Trond Myklebust | 6caf2c8 | 2005-10-27 22:12:43 -0400 | [diff] [blame] | 557 | encode_rename_maxsz + \ |
| 558 | encode_getattr_maxsz + \ |
| 559 | encode_restorefh_maxsz + \ |
| 560 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 561 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 562 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 563 | decode_putfh_maxsz + \ |
| 564 | decode_savefh_maxsz + \ |
| 565 | decode_putfh_maxsz + \ |
Trond Myklebust | 6caf2c8 | 2005-10-27 22:12:43 -0400 | [diff] [blame] | 566 | decode_rename_maxsz + \ |
| 567 | decode_getattr_maxsz + \ |
| 568 | decode_restorefh_maxsz + \ |
| 569 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 570 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 571 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 572 | encode_putfh_maxsz + \ |
| 573 | encode_savefh_maxsz + \ |
| 574 | encode_putfh_maxsz + \ |
Trond Myklebust | 91ba2ee | 2005-10-27 22:12:42 -0400 | [diff] [blame] | 575 | encode_link_maxsz + \ |
| 576 | decode_getattr_maxsz + \ |
| 577 | encode_restorefh_maxsz + \ |
| 578 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 579 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 580 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 581 | decode_putfh_maxsz + \ |
| 582 | decode_savefh_maxsz + \ |
| 583 | decode_putfh_maxsz + \ |
Trond Myklebust | 91ba2ee | 2005-10-27 22:12:42 -0400 | [diff] [blame] | 584 | decode_link_maxsz + \ |
| 585 | decode_getattr_maxsz + \ |
| 586 | decode_restorefh_maxsz + \ |
| 587 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 588 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 589 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 590 | encode_putfh_maxsz + \ |
| 591 | encode_symlink_maxsz + \ |
| 592 | encode_getattr_maxsz + \ |
| 593 | encode_getfh_maxsz) |
| 594 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 595 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 596 | decode_putfh_maxsz + \ |
| 597 | decode_symlink_maxsz + \ |
| 598 | decode_getattr_maxsz + \ |
| 599 | decode_getfh_maxsz) |
| 600 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 601 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 602 | encode_putfh_maxsz + \ |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 603 | encode_savefh_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 604 | encode_create_maxsz + \ |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 605 | encode_getfh_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 606 | encode_getattr_maxsz + \ |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 607 | encode_restorefh_maxsz + \ |
| 608 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 609 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 610 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 611 | decode_putfh_maxsz + \ |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 612 | decode_savefh_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 613 | decode_create_maxsz + \ |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 614 | decode_getfh_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 615 | decode_getattr_maxsz + \ |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 616 | decode_restorefh_maxsz + \ |
| 617 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 619 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 620 | encode_putfh_maxsz + \ |
| 621 | encode_getattr_maxsz) |
| 622 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 623 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 624 | decode_putfh_maxsz + \ |
| 625 | decode_getattr_maxsz) |
| 626 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 627 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 628 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 629 | encode_statfs_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 630 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 631 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 632 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 633 | decode_statfs_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 634 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 635 | encode_sequence_maxsz + \ |
Trond Myklebust | ab91f26 | 2007-02-02 14:47:17 -0800 | [diff] [blame] | 636 | encode_putfh_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 637 | encode_getattr_maxsz) |
| 638 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 639 | decode_sequence_maxsz + \ |
Trond Myklebust | ab91f26 | 2007-02-02 14:47:17 -0800 | [diff] [blame] | 640 | decode_putfh_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 641 | decode_getattr_maxsz) |
| 642 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 643 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 644 | encode_putfh_maxsz + \ |
Trond Myklebust | fa178f2 | 2006-01-03 09:55:38 +0100 | [diff] [blame] | 645 | encode_delegreturn_maxsz + \ |
| 646 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 647 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 648 | decode_sequence_maxsz + \ |
Trond Myklebust | fa178f2 | 2006-01-03 09:55:38 +0100 | [diff] [blame] | 649 | decode_delegreturn_maxsz + \ |
| 650 | decode_getattr_maxsz) |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 651 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 652 | encode_sequence_maxsz + \ |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 653 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 654 | encode_getacl_maxsz) |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 655 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 656 | decode_sequence_maxsz + \ |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 657 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 658 | decode_getacl_maxsz) |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 659 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 660 | encode_sequence_maxsz + \ |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 661 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 662 | encode_setacl_maxsz) |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 663 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 664 | decode_sequence_maxsz + \ |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 665 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 666 | decode_setacl_maxsz) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 667 | #define NFS4_enc_fs_locations_sz \ |
| 668 | (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 669 | encode_sequence_maxsz + \ |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 670 | encode_putfh_maxsz + \ |
Trond Myklebust | e688962 | 2007-07-02 13:58:30 -0400 | [diff] [blame] | 671 | encode_lookup_maxsz + \ |
| 672 | encode_fs_locations_maxsz) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 673 | #define NFS4_dec_fs_locations_sz \ |
| 674 | (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 675 | decode_sequence_maxsz + \ |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 676 | decode_putfh_maxsz + \ |
Trond Myklebust | e688962 | 2007-07-02 13:58:30 -0400 | [diff] [blame] | 677 | decode_lookup_maxsz + \ |
| 678 | decode_fs_locations_maxsz) |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 679 | #if defined(CONFIG_NFS_V4_1) |
| 680 | #define NFS4_enc_exchange_id_sz \ |
| 681 | (compound_encode_hdr_maxsz + \ |
| 682 | encode_exchange_id_maxsz) |
| 683 | #define NFS4_dec_exchange_id_sz \ |
| 684 | (compound_decode_hdr_maxsz + \ |
| 685 | decode_exchange_id_maxsz) |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 686 | #define NFS4_enc_create_session_sz \ |
| 687 | (compound_encode_hdr_maxsz + \ |
| 688 | encode_create_session_maxsz) |
| 689 | #define NFS4_dec_create_session_sz \ |
| 690 | (compound_decode_hdr_maxsz + \ |
| 691 | decode_create_session_maxsz) |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 692 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
| 693 | encode_destroy_session_maxsz) |
| 694 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ |
| 695 | decode_destroy_session_maxsz) |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 696 | #define NFS4_enc_sequence_sz \ |
| 697 | (compound_decode_hdr_maxsz + \ |
| 698 | encode_sequence_maxsz) |
| 699 | #define NFS4_dec_sequence_sz \ |
| 700 | (compound_decode_hdr_maxsz + \ |
| 701 | decode_sequence_maxsz) |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 702 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
| 703 | encode_sequence_maxsz + \ |
| 704 | encode_putrootfh_maxsz + \ |
| 705 | encode_fsinfo_maxsz) |
| 706 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ |
| 707 | decode_sequence_maxsz + \ |
| 708 | decode_putrootfh_maxsz + \ |
| 709 | decode_fsinfo_maxsz) |
Ricardo Labiaga | 1801975 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 710 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
| 711 | encode_sequence_maxsz + \ |
| 712 | encode_reclaim_complete_maxsz) |
| 713 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ |
| 714 | decode_sequence_maxsz + \ |
| 715 | decode_reclaim_complete_maxsz) |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 716 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
| 717 | encode_sequence_maxsz +\ |
| 718 | encode_getdeviceinfo_maxsz) |
| 719 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ |
| 720 | decode_sequence_maxsz + \ |
| 721 | decode_getdeviceinfo_maxsz) |
| 722 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ |
| 723 | encode_sequence_maxsz + \ |
| 724 | encode_putfh_maxsz + \ |
| 725 | encode_layoutget_maxsz) |
| 726 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ |
| 727 | decode_sequence_maxsz + \ |
| 728 | decode_putfh_maxsz + \ |
| 729 | decode_layoutget_maxsz) |
Alexandros Batsakis | 2449ea2 | 2009-12-05 13:36:55 -0500 | [diff] [blame] | 730 | |
| 731 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + |
| 732 | compound_encode_hdr_maxsz + |
| 733 | encode_sequence_maxsz + |
| 734 | encode_putfh_maxsz + |
| 735 | encode_getattr_maxsz) * |
| 736 | XDR_UNIT); |
| 737 | |
| 738 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + |
| 739 | compound_decode_hdr_maxsz + |
| 740 | decode_sequence_maxsz + |
| 741 | decode_putfh_maxsz) * |
| 742 | XDR_UNIT); |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 743 | #endif /* CONFIG_NFS_V4_1 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 744 | |
Trond Myklebust | bca7947 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 745 | static const umode_t nfs_type2fmt[] = { |
| 746 | [NF4BAD] = 0, |
| 747 | [NF4REG] = S_IFREG, |
| 748 | [NF4DIR] = S_IFDIR, |
| 749 | [NF4BLK] = S_IFBLK, |
| 750 | [NF4CHR] = S_IFCHR, |
| 751 | [NF4LNK] = S_IFLNK, |
| 752 | [NF4SOCK] = S_IFSOCK, |
| 753 | [NF4FIFO] = S_IFIFO, |
| 754 | [NF4ATTRDIR] = 0, |
| 755 | [NF4NAMEDATTR] = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 756 | }; |
| 757 | |
| 758 | struct compound_hdr { |
| 759 | int32_t status; |
| 760 | uint32_t nops; |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 761 | __be32 * nops_p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 762 | uint32_t taglen; |
| 763 | char * tag; |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 764 | uint32_t replen; /* expected reply words */ |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 765 | u32 minorversion; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 766 | }; |
| 767 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 768 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
| 769 | { |
| 770 | __be32 *p = xdr_reserve_space(xdr, nbytes); |
| 771 | BUG_ON(!p); |
| 772 | return p; |
| 773 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 774 | |
| 775 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
| 776 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 777 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 778 | |
| 779 | p = xdr_reserve_space(xdr, 4 + len); |
| 780 | BUG_ON(p == NULL); |
| 781 | xdr_encode_opaque(p, str, len); |
| 782 | } |
| 783 | |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 784 | static void encode_compound_hdr(struct xdr_stream *xdr, |
| 785 | struct rpc_rqst *req, |
| 786 | struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 787 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 788 | __be32 *p; |
Trond Myklebust | a17c215 | 2010-07-31 14:29:08 -0400 | [diff] [blame] | 789 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 790 | |
| 791 | /* initialize running count of expected bytes in reply. |
| 792 | * NOTE: the replied tag SHOULD be the same is the one sent, |
| 793 | * but this is not required as a MUST for the server to do so. */ |
| 794 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 795 | |
| 796 | dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag); |
| 797 | BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); |
Benny Halevy | 811652b | 2009-08-14 17:19:34 +0300 | [diff] [blame] | 798 | p = reserve_space(xdr, 4 + hdr->taglen + 8); |
| 799 | p = xdr_encode_opaque(p, hdr->tag, hdr->taglen); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 800 | *p++ = cpu_to_be32(hdr->minorversion); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 801 | hdr->nops_p = p; |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 802 | *p = cpu_to_be32(hdr->nops); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 803 | } |
| 804 | |
| 805 | static void encode_nops(struct compound_hdr *hdr) |
| 806 | { |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 807 | BUG_ON(hdr->nops > NFS4_MAX_OPS); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 808 | *hdr->nops_p = htonl(hdr->nops); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 809 | } |
| 810 | |
| 811 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
| 812 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 813 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 814 | |
| 815 | p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE); |
| 816 | BUG_ON(p == NULL); |
| 817 | xdr_encode_opaque_fixed(p, verf->data, NFS4_VERIFIER_SIZE); |
| 818 | } |
| 819 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 820 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 821 | { |
| 822 | char owner_name[IDMAP_NAMESZ]; |
| 823 | char owner_group[IDMAP_NAMESZ]; |
| 824 | int owner_namelen = 0; |
| 825 | int owner_grouplen = 0; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 826 | __be32 *p; |
| 827 | __be32 *q; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 828 | int len; |
| 829 | uint32_t bmval0 = 0; |
| 830 | uint32_t bmval1 = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 831 | |
| 832 | /* |
| 833 | * We reserve enough space to write the entire attribute buffer at once. |
| 834 | * In the worst-case, this would be |
| 835 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) |
| 836 | * = 36 bytes, plus any contribution from variable-length fields |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 837 | * such as owner/group. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 838 | */ |
| 839 | len = 16; |
| 840 | |
| 841 | /* Sigh */ |
| 842 | if (iap->ia_valid & ATTR_SIZE) |
| 843 | len += 8; |
| 844 | if (iap->ia_valid & ATTR_MODE) |
| 845 | len += 4; |
| 846 | if (iap->ia_valid & ATTR_UID) { |
Bryan Schumaker | 955a857 | 2010-09-29 15:41:49 -0400 | [diff] [blame] | 847 | owner_namelen = nfs_map_uid_to_name(server->nfs_client, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 848 | if (owner_namelen < 0) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 849 | dprintk("nfs: couldn't resolve uid %d to string\n", |
| 850 | iap->ia_uid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 851 | /* XXX */ |
| 852 | strcpy(owner_name, "nobody"); |
| 853 | owner_namelen = sizeof("nobody") - 1; |
| 854 | /* goto out; */ |
| 855 | } |
| 856 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); |
| 857 | } |
| 858 | if (iap->ia_valid & ATTR_GID) { |
Bryan Schumaker | 955a857 | 2010-09-29 15:41:49 -0400 | [diff] [blame] | 859 | owner_grouplen = nfs_map_gid_to_group(server->nfs_client, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 860 | if (owner_grouplen < 0) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 861 | dprintk("nfs: couldn't resolve gid %d to string\n", |
| 862 | iap->ia_gid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 863 | strcpy(owner_group, "nobody"); |
| 864 | owner_grouplen = sizeof("nobody") - 1; |
| 865 | /* goto out; */ |
| 866 | } |
| 867 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); |
| 868 | } |
| 869 | if (iap->ia_valid & ATTR_ATIME_SET) |
| 870 | len += 16; |
| 871 | else if (iap->ia_valid & ATTR_ATIME) |
| 872 | len += 4; |
| 873 | if (iap->ia_valid & ATTR_MTIME_SET) |
| 874 | len += 16; |
| 875 | else if (iap->ia_valid & ATTR_MTIME) |
| 876 | len += 4; |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 877 | p = reserve_space(xdr, len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 878 | |
| 879 | /* |
| 880 | * We write the bitmap length now, but leave the bitmap and the attribute |
| 881 | * buffer length to be backfilled at the end of this routine. |
| 882 | */ |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 883 | *p++ = cpu_to_be32(2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 884 | q = p; |
| 885 | p += 3; |
| 886 | |
| 887 | if (iap->ia_valid & ATTR_SIZE) { |
| 888 | bmval0 |= FATTR4_WORD0_SIZE; |
Benny Halevy | b95be5a | 2009-08-14 17:19:01 +0300 | [diff] [blame] | 889 | p = xdr_encode_hyper(p, iap->ia_size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 890 | } |
| 891 | if (iap->ia_valid & ATTR_MODE) { |
| 892 | bmval1 |= FATTR4_WORD1_MODE; |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 893 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 894 | } |
| 895 | if (iap->ia_valid & ATTR_UID) { |
| 896 | bmval1 |= FATTR4_WORD1_OWNER; |
Benny Halevy | 811652b | 2009-08-14 17:19:34 +0300 | [diff] [blame] | 897 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 898 | } |
| 899 | if (iap->ia_valid & ATTR_GID) { |
| 900 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; |
Benny Halevy | 811652b | 2009-08-14 17:19:34 +0300 | [diff] [blame] | 901 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 902 | } |
| 903 | if (iap->ia_valid & ATTR_ATIME_SET) { |
| 904 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 905 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
| 906 | *p++ = cpu_to_be32(0); |
Trond Myklebust | d3f6baa | 2010-06-22 08:52:39 -0400 | [diff] [blame] | 907 | *p++ = cpu_to_be32(iap->ia_atime.tv_sec); |
| 908 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 909 | } |
| 910 | else if (iap->ia_valid & ATTR_ATIME) { |
| 911 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 912 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 913 | } |
| 914 | if (iap->ia_valid & ATTR_MTIME_SET) { |
| 915 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 916 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
| 917 | *p++ = cpu_to_be32(0); |
| 918 | *p++ = cpu_to_be32(iap->ia_mtime.tv_sec); |
| 919 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 920 | } |
| 921 | else if (iap->ia_valid & ATTR_MTIME) { |
| 922 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 923 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 924 | } |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 925 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 926 | /* |
| 927 | * Now we backfill the bitmap and the attribute buffer length. |
| 928 | */ |
| 929 | if (len != ((char *)p - (char *)q) + 4) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 930 | printk(KERN_ERR "nfs: Attr length error, %u != %Zu\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 931 | len, ((char *)p - (char *)q) + 4); |
| 932 | BUG(); |
| 933 | } |
| 934 | len = (char *)p - (char *)q - 12; |
| 935 | *q++ = htonl(bmval0); |
| 936 | *q++ = htonl(bmval1); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 937 | *q = htonl(len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 938 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 939 | /* out: */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 940 | } |
| 941 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 942 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 943 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 944 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 945 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 946 | p = reserve_space(xdr, 8); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 947 | *p++ = cpu_to_be32(OP_ACCESS); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 948 | *p = cpu_to_be32(access); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 949 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 950 | hdr->replen += decode_access_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 951 | } |
| 952 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 953 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 954 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 955 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 956 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 957 | p = reserve_space(xdr, 8+NFS4_STATEID_SIZE); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 958 | *p++ = cpu_to_be32(OP_CLOSE); |
| 959 | *p++ = cpu_to_be32(arg->seqid->sequence->counter); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 960 | xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 961 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 962 | hdr->replen += decode_close_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 963 | } |
| 964 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 965 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 966 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 967 | __be32 *p; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 968 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 969 | p = reserve_space(xdr, 16); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 970 | *p++ = cpu_to_be32(OP_COMMIT); |
Benny Halevy | b95be5a | 2009-08-14 17:19:01 +0300 | [diff] [blame] | 971 | p = xdr_encode_hyper(p, args->offset); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 972 | *p = cpu_to_be32(args->count); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 973 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 974 | hdr->replen += decode_commit_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 975 | } |
| 976 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 977 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 978 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 979 | __be32 *p; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 980 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 981 | p = reserve_space(xdr, 8); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 982 | *p++ = cpu_to_be32(OP_CREATE); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 983 | *p = cpu_to_be32(create->ftype); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 984 | |
| 985 | switch (create->ftype) { |
| 986 | case NF4LNK: |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 987 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 988 | *p = cpu_to_be32(create->u.symlink.len); |
Chuck Lever | 94a6d75 | 2006-08-22 20:06:23 -0400 | [diff] [blame] | 989 | 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] | 990 | break; |
| 991 | |
| 992 | case NF4BLK: case NF4CHR: |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 993 | p = reserve_space(xdr, 8); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 994 | *p++ = cpu_to_be32(create->u.device.specdata1); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 995 | *p = cpu_to_be32(create->u.device.specdata2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 996 | break; |
| 997 | |
| 998 | default: |
| 999 | break; |
| 1000 | } |
| 1001 | |
Benny Halevy | 811652b | 2009-08-14 17:19:34 +0300 | [diff] [blame] | 1002 | encode_string(xdr, create->name->len, create->name->name); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1003 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1004 | hdr->replen += decode_create_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1005 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1006 | encode_attrs(xdr, create->attrs, create->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1007 | } |
| 1008 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1009 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1010 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1011 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1012 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1013 | p = reserve_space(xdr, 12); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1014 | *p++ = cpu_to_be32(OP_GETATTR); |
| 1015 | *p++ = cpu_to_be32(1); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1016 | *p = cpu_to_be32(bitmap); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1017 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1018 | hdr->replen += decode_getattr_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1019 | } |
| 1020 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1021 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1022 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1023 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1024 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1025 | p = reserve_space(xdr, 16); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1026 | *p++ = cpu_to_be32(OP_GETATTR); |
| 1027 | *p++ = cpu_to_be32(2); |
| 1028 | *p++ = cpu_to_be32(bm0); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1029 | *p = cpu_to_be32(bm1); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1030 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1031 | hdr->replen += decode_getattr_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1032 | } |
| 1033 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1034 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1035 | { |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1036 | encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
| 1037 | bitmask[1] & nfs4_fattr_bitmap[1], hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1038 | } |
| 1039 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1040 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1041 | { |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1042 | encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0], |
| 1043 | bitmask[1] & nfs4_fsinfo_bitmap[1], hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1044 | } |
| 1045 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1046 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
Manoj Naik | 830b8e3 | 2006-06-09 09:34:25 -0400 | [diff] [blame] | 1047 | { |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1048 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
| 1049 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); |
Manoj Naik | 830b8e3 | 2006-06-09 09:34:25 -0400 | [diff] [blame] | 1050 | } |
| 1051 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1052 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1056 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1057 | *p = cpu_to_be32(OP_GETFH); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1058 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1059 | hdr->replen += decode_getfh_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1060 | } |
| 1061 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1062 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1063 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1064 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1065 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1066 | p = reserve_space(xdr, 8 + name->len); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1067 | *p++ = cpu_to_be32(OP_LINK); |
Benny Halevy | 811652b | 2009-08-14 17:19:34 +0300 | [diff] [blame] | 1068 | xdr_encode_opaque(p, name->name, name->len); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1069 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1070 | hdr->replen += decode_link_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1071 | } |
| 1072 | |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 1073 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
| 1074 | { |
| 1075 | if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) |
| 1076 | return block ? NFS4_READW_LT : NFS4_READ_LT; |
| 1077 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; |
| 1078 | } |
| 1079 | |
| 1080 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) |
| 1081 | { |
| 1082 | if (fl->fl_end == OFFSET_MAX) |
| 1083 | return ~(uint64_t)0; |
| 1084 | return fl->fl_end - fl->fl_start + 1; |
| 1085 | } |
| 1086 | |
Trond Myklebust | daccbde | 2010-06-25 18:11:43 -0400 | [diff] [blame] | 1087 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
| 1088 | { |
| 1089 | __be32 *p; |
| 1090 | |
| 1091 | p = reserve_space(xdr, 28); |
| 1092 | p = xdr_encode_hyper(p, lowner->clientid); |
| 1093 | *p++ = cpu_to_be32(16); |
| 1094 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
| 1095 | xdr_encode_hyper(p, lowner->id); |
| 1096 | } |
| 1097 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1098 | /* |
| 1099 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 |
| 1100 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 |
| 1101 | */ |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1102 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1103 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1104 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1105 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1106 | p = reserve_space(xdr, 32); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1107 | *p++ = cpu_to_be32(OP_LOCK); |
| 1108 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); |
| 1109 | *p++ = cpu_to_be32(args->reclaim); |
Benny Halevy | b95be5a | 2009-08-14 17:19:01 +0300 | [diff] [blame] | 1110 | p = xdr_encode_hyper(p, args->fl->fl_start); |
| 1111 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1112 | *p = cpu_to_be32(args->new_lock_owner); |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 1113 | if (args->new_lock_owner){ |
Trond Myklebust | daccbde | 2010-06-25 18:11:43 -0400 | [diff] [blame] | 1114 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1115 | *p++ = cpu_to_be32(args->open_seqid->sequence->counter); |
Benny Halevy | 93f0cf2 | 2009-08-14 17:19:06 +0300 | [diff] [blame] | 1116 | p = xdr_encode_opaque_fixed(p, args->open_stateid->data, NFS4_STATEID_SIZE); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1117 | *p++ = cpu_to_be32(args->lock_seqid->sequence->counter); |
Trond Myklebust | daccbde | 2010-06-25 18:11:43 -0400 | [diff] [blame] | 1118 | encode_lockowner(xdr, &args->lock_owner); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1119 | } |
| 1120 | else { |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1121 | p = reserve_space(xdr, NFS4_STATEID_SIZE+4); |
Benny Halevy | 93f0cf2 | 2009-08-14 17:19:06 +0300 | [diff] [blame] | 1122 | p = xdr_encode_opaque_fixed(p, args->lock_stateid->data, NFS4_STATEID_SIZE); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1123 | *p = cpu_to_be32(args->lock_seqid->sequence->counter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1124 | } |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1125 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1126 | hdr->replen += decode_lock_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1127 | } |
| 1128 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1129 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Trond Myklebust | daccbde | 2010-06-25 18:11:43 -0400 | [diff] [blame] | 1133 | p = reserve_space(xdr, 24); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1134 | *p++ = cpu_to_be32(OP_LOCKT); |
| 1135 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
Benny Halevy | b95be5a | 2009-08-14 17:19:01 +0300 | [diff] [blame] | 1136 | p = xdr_encode_hyper(p, args->fl->fl_start); |
| 1137 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
Trond Myklebust | daccbde | 2010-06-25 18:11:43 -0400 | [diff] [blame] | 1138 | encode_lockowner(xdr, &args->lock_owner); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1139 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1140 | hdr->replen += decode_lockt_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1141 | } |
| 1142 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1143 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1144 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1145 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1146 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1147 | p = reserve_space(xdr, 12+NFS4_STATEID_SIZE+16); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1148 | *p++ = cpu_to_be32(OP_LOCKU); |
| 1149 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
| 1150 | *p++ = cpu_to_be32(args->seqid->sequence->counter); |
Benny Halevy | 93f0cf2 | 2009-08-14 17:19:06 +0300 | [diff] [blame] | 1151 | p = xdr_encode_opaque_fixed(p, args->stateid->data, NFS4_STATEID_SIZE); |
Benny Halevy | b95be5a | 2009-08-14 17:19:01 +0300 | [diff] [blame] | 1152 | p = xdr_encode_hyper(p, args->fl->fl_start); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1153 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1154 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1155 | hdr->replen += decode_locku_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1156 | } |
| 1157 | |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 1158 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
| 1159 | { |
| 1160 | __be32 *p; |
| 1161 | |
| 1162 | p = reserve_space(xdr, 4); |
| 1163 | *p = cpu_to_be32(OP_RELEASE_LOCKOWNER); |
| 1164 | encode_lockowner(xdr, lowner); |
| 1165 | hdr->nops++; |
| 1166 | hdr->replen += decode_release_lockowner_maxsz; |
| 1167 | } |
| 1168 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1169 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1170 | { |
| 1171 | int len = name->len; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1172 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1173 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1174 | p = reserve_space(xdr, 8 + len); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1175 | *p++ = cpu_to_be32(OP_LOOKUP); |
Benny Halevy | 811652b | 2009-08-14 17:19:34 +0300 | [diff] [blame] | 1176 | xdr_encode_opaque(p, name->name, len); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1177 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1178 | hdr->replen += decode_lookup_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1179 | } |
| 1180 | |
Trond Myklebust | dc0b027 | 2008-12-23 15:21:56 -0500 | [diff] [blame] | 1181 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1182 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1183 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1184 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1185 | p = reserve_space(xdr, 8); |
Trond Myklebust | dc0b027 | 2008-12-23 15:21:56 -0500 | [diff] [blame] | 1186 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1187 | case FMODE_READ: |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1188 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1189 | break; |
| 1190 | case FMODE_WRITE: |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1191 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1192 | break; |
| 1193 | case FMODE_READ|FMODE_WRITE: |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1194 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1195 | break; |
| 1196 | default: |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1197 | *p++ = cpu_to_be32(0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1198 | } |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1199 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1200 | } |
| 1201 | |
| 1202 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) |
| 1203 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1204 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1205 | /* |
| 1206 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, |
| 1207 | * owner 4 = 32 |
| 1208 | */ |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1209 | p = reserve_space(xdr, 8); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1210 | *p++ = cpu_to_be32(OP_OPEN); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1211 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
Trond Myklebust | dc0b027 | 2008-12-23 15:21:56 -0500 | [diff] [blame] | 1212 | encode_share_access(xdr, arg->fmode); |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1213 | p = reserve_space(xdr, 28); |
Benny Halevy | b95be5a | 2009-08-14 17:19:01 +0300 | [diff] [blame] | 1214 | p = xdr_encode_hyper(p, arg->clientid); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1215 | *p++ = cpu_to_be32(16); |
Benny Halevy | 93f0cf2 | 2009-08-14 17:19:06 +0300 | [diff] [blame] | 1216 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1217 | xdr_encode_hyper(p, arg->id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1218 | } |
| 1219 | |
| 1220 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) |
| 1221 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1222 | __be32 *p; |
Alexandros Batsakis | 4882ef7 | 2009-12-05 13:30:21 -0500 | [diff] [blame] | 1223 | struct nfs_client *clp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1224 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1225 | p = reserve_space(xdr, 4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1226 | switch(arg->open_flags & O_EXCL) { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1227 | case 0: |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1228 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1229 | encode_attrs(xdr, arg->u.attrs, arg->server); |
| 1230 | break; |
| 1231 | default: |
Alexandros Batsakis | 4882ef7 | 2009-12-05 13:30:21 -0500 | [diff] [blame] | 1232 | clp = arg->server->nfs_client; |
Trond Myklebust | a443234 | 2010-06-16 09:52:27 -0400 | [diff] [blame] | 1233 | if (clp->cl_mvops->minor_version > 0) { |
Alexandros Batsakis | 4882ef7 | 2009-12-05 13:30:21 -0500 | [diff] [blame] | 1234 | if (nfs4_has_persistent_session(clp)) { |
| 1235 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); |
| 1236 | encode_attrs(xdr, arg->u.attrs, arg->server); |
| 1237 | } else { |
| 1238 | struct iattr dummy; |
| 1239 | |
| 1240 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); |
| 1241 | encode_nfs4_verifier(xdr, &arg->u.verifier); |
| 1242 | dummy.ia_valid = 0; |
| 1243 | encode_attrs(xdr, &dummy, arg->server); |
| 1244 | } |
| 1245 | } else { |
| 1246 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); |
| 1247 | encode_nfs4_verifier(xdr, &arg->u.verifier); |
| 1248 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1249 | } |
| 1250 | } |
| 1251 | |
| 1252 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) |
| 1253 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1254 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1255 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1256 | p = reserve_space(xdr, 4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1257 | switch (arg->open_flags & O_CREAT) { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1258 | case 0: |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1259 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1260 | break; |
| 1261 | default: |
| 1262 | BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1263 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1264 | encode_createmode(xdr, arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1265 | } |
| 1266 | } |
| 1267 | |
Trond Myklebust | bd7bf9d | 2008-12-23 15:21:53 -0500 | [diff] [blame] | 1268 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1269 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1270 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1271 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1272 | p = reserve_space(xdr, 4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1273 | switch (delegation_type) { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1274 | case 0: |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1275 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1276 | break; |
| 1277 | case FMODE_READ: |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1278 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1279 | break; |
| 1280 | case FMODE_WRITE|FMODE_READ: |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1281 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1282 | break; |
| 1283 | default: |
| 1284 | BUG(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1285 | } |
| 1286 | } |
| 1287 | |
| 1288 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) |
| 1289 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1290 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1291 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1292 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1293 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1294 | encode_string(xdr, name->len, name->name); |
| 1295 | } |
| 1296 | |
Trond Myklebust | bd7bf9d | 2008-12-23 15:21:53 -0500 | [diff] [blame] | 1297 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1298 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1299 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1300 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1301 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1302 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1303 | encode_delegation_type(xdr, type); |
| 1304 | } |
| 1305 | |
| 1306 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) |
| 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 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1310 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1311 | *p++ = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1312 | xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1313 | encode_string(xdr, name->len, name->name); |
| 1314 | } |
| 1315 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1316 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1317 | { |
| 1318 | encode_openhdr(xdr, arg); |
| 1319 | encode_opentype(xdr, arg); |
| 1320 | switch (arg->claim) { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1321 | case NFS4_OPEN_CLAIM_NULL: |
| 1322 | encode_claim_null(xdr, arg->name); |
| 1323 | break; |
| 1324 | case NFS4_OPEN_CLAIM_PREVIOUS: |
| 1325 | encode_claim_previous(xdr, arg->u.delegation_type); |
| 1326 | break; |
| 1327 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: |
| 1328 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); |
| 1329 | break; |
| 1330 | default: |
| 1331 | BUG(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1332 | } |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1333 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1334 | hdr->replen += decode_open_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1335 | } |
| 1336 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1337 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1341 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1342 | *p++ = cpu_to_be32(OP_OPEN_CONFIRM); |
Benny Halevy | 93f0cf2 | 2009-08-14 17:19:06 +0300 | [diff] [blame] | 1343 | p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1344 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1345 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1346 | hdr->replen += decode_open_confirm_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1347 | } |
| 1348 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1349 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1350 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1351 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1352 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1353 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1354 | *p++ = cpu_to_be32(OP_OPEN_DOWNGRADE); |
Benny Halevy | 93f0cf2 | 2009-08-14 17:19:06 +0300 | [diff] [blame] | 1355 | p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1356 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
Trond Myklebust | dc0b027 | 2008-12-23 15:21:56 -0500 | [diff] [blame] | 1357 | encode_share_access(xdr, arg->fmode); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1358 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1359 | hdr->replen += decode_open_downgrade_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1360 | } |
| 1361 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1362 | static void |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1363 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1364 | { |
| 1365 | int len = fh->size; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1366 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1367 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1368 | p = reserve_space(xdr, 8 + len); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1369 | *p++ = cpu_to_be32(OP_PUTFH); |
Benny Halevy | 811652b | 2009-08-14 17:19:34 +0300 | [diff] [blame] | 1370 | xdr_encode_opaque(p, fh->data, len); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1371 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1372 | hdr->replen += decode_putfh_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1373 | } |
| 1374 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1375 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1376 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1377 | __be32 *p; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1378 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1379 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1380 | *p = cpu_to_be32(OP_PUTROOTFH); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1381 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1382 | hdr->replen += decode_putrootfh_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1383 | } |
| 1384 | |
Trond Myklebust | f11ac8d | 2010-06-25 16:35:53 -0400 | [diff] [blame] | 1385 | static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx, const struct nfs_lock_context *l_ctx) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1386 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1387 | nfs4_stateid stateid; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1388 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1389 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1390 | p = reserve_space(xdr, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1391 | if (ctx->state != NULL) { |
Trond Myklebust | 77041ed | 2010-07-01 12:49:11 -0400 | [diff] [blame] | 1392 | nfs4_copy_stateid(&stateid, ctx->state, l_ctx->lockowner, l_ctx->pid); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1393 | xdr_encode_opaque_fixed(p, stateid.data, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1394 | } else |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1395 | xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1396 | } |
| 1397 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1398 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1399 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1400 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1401 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1402 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1403 | *p = cpu_to_be32(OP_READ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1404 | |
Trond Myklebust | f11ac8d | 2010-06-25 16:35:53 -0400 | [diff] [blame] | 1405 | encode_stateid(xdr, args->context, args->lock_context); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1406 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1407 | p = reserve_space(xdr, 12); |
Benny Halevy | b95be5a | 2009-08-14 17:19:01 +0300 | [diff] [blame] | 1408 | p = xdr_encode_hyper(p, args->offset); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1409 | *p = cpu_to_be32(args->count); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1410 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1411 | hdr->replen += decode_read_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1412 | } |
| 1413 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1414 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1415 | { |
Bryan Schumaker | 82f2e54 | 2010-10-21 16:33:18 -0400 | [diff] [blame] | 1416 | uint32_t attrs[2] = {0, 0}; |
Trond Myklebust | 6f7a35b | 2010-10-24 12:11:42 -0400 | [diff] [blame] | 1417 | uint32_t dircount = readdir->count >> 1; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1418 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1419 | |
Bryan Schumaker | 82f2e54 | 2010-10-21 16:33:18 -0400 | [diff] [blame] | 1420 | if (readdir->plus) { |
| 1421 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| |
| 1422 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE; |
| 1423 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
| 1424 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| |
| 1425 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| |
| 1426 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; |
Trond Myklebust | 6f7a35b | 2010-10-24 12:11:42 -0400 | [diff] [blame] | 1427 | dircount >>= 1; |
Bryan Schumaker | 82f2e54 | 2010-10-21 16:33:18 -0400 | [diff] [blame] | 1428 | } |
| 1429 | attrs[0] |= FATTR4_WORD0_RDATTR_ERROR|FATTR4_WORD0_FILEID; |
| 1430 | attrs[1] |= FATTR4_WORD1_MOUNTED_ON_FILEID; |
Trond Myklebust | 6f7a35b | 2010-10-24 12:11:42 -0400 | [diff] [blame] | 1431 | /* Switch to mounted_on_fileid if the server supports it */ |
| 1432 | if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID) |
| 1433 | attrs[0] &= ~FATTR4_WORD0_FILEID; |
| 1434 | else |
| 1435 | attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
Bryan Schumaker | 82f2e54 | 2010-10-21 16:33:18 -0400 | [diff] [blame] | 1436 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1437 | p = reserve_space(xdr, 12+NFS4_VERIFIER_SIZE+20); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1438 | *p++ = cpu_to_be32(OP_READDIR); |
Benny Halevy | b95be5a | 2009-08-14 17:19:01 +0300 | [diff] [blame] | 1439 | p = xdr_encode_hyper(p, readdir->cookie); |
Benny Halevy | 93f0cf2 | 2009-08-14 17:19:06 +0300 | [diff] [blame] | 1440 | p = xdr_encode_opaque_fixed(p, readdir->verifier.data, NFS4_VERIFIER_SIZE); |
Trond Myklebust | 6f7a35b | 2010-10-24 12:11:42 -0400 | [diff] [blame] | 1441 | *p++ = cpu_to_be32(dircount); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1442 | *p++ = cpu_to_be32(readdir->count); |
| 1443 | *p++ = cpu_to_be32(2); |
Bryan Schumaker | 82f2e54 | 2010-10-21 16:33:18 -0400 | [diff] [blame] | 1444 | |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1445 | *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1446 | *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1447 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1448 | hdr->replen += decode_readdir_maxsz; |
Fred Isaman | 4410924 | 2008-04-02 15:21:15 +0300 | [diff] [blame] | 1449 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
| 1450 | __func__, |
Trond Myklebust | eadf459 | 2005-06-22 17:16:39 +0000 | [diff] [blame] | 1451 | (unsigned long long)readdir->cookie, |
| 1452 | ((u32 *)readdir->verifier.data)[0], |
| 1453 | ((u32 *)readdir->verifier.data)[1], |
| 1454 | attrs[0] & readdir->bitmask[0], |
| 1455 | attrs[1] & readdir->bitmask[1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1456 | } |
| 1457 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1458 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1459 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1460 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1461 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1462 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1463 | *p = cpu_to_be32(OP_READLINK); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1464 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1465 | hdr->replen += decode_readlink_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1466 | } |
| 1467 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1468 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1469 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1470 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1471 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1472 | p = reserve_space(xdr, 8 + name->len); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1473 | *p++ = cpu_to_be32(OP_REMOVE); |
Benny Halevy | 811652b | 2009-08-14 17:19:34 +0300 | [diff] [blame] | 1474 | xdr_encode_opaque(p, name->name, name->len); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1475 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1476 | hdr->replen += decode_remove_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1477 | } |
| 1478 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1479 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1480 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1481 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1482 | |
Benny Halevy | 811652b | 2009-08-14 17:19:34 +0300 | [diff] [blame] | 1483 | p = reserve_space(xdr, 4); |
| 1484 | *p = cpu_to_be32(OP_RENAME); |
| 1485 | encode_string(xdr, oldname->len, oldname->name); |
| 1486 | encode_string(xdr, newname->len, newname->name); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1487 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1488 | hdr->replen += decode_rename_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1489 | } |
| 1490 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1491 | static void encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_stateid, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1492 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1493 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1494 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1495 | p = reserve_space(xdr, 12); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1496 | *p++ = cpu_to_be32(OP_RENEW); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1497 | xdr_encode_hyper(p, client_stateid->cl_clientid); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1498 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1499 | hdr->replen += decode_renew_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1500 | } |
| 1501 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1502 | static void |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1503 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 1504 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1505 | __be32 *p; |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 1506 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1507 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1508 | *p = cpu_to_be32(OP_RESTOREFH); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1509 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1510 | hdr->replen += decode_restorefh_maxsz; |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 1511 | } |
| 1512 | |
| 1513 | static int |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1514 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 1515 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1516 | __be32 *p; |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 1517 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1518 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1519 | *p++ = cpu_to_be32(OP_SETATTR); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1520 | xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE); |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1521 | p = reserve_space(xdr, 2*4); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1522 | *p++ = cpu_to_be32(1); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1523 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 1524 | if (arg->acl_len % 4) |
| 1525 | return -EINVAL; |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1526 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1527 | *p = cpu_to_be32(arg->acl_len); |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 1528 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1529 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1530 | hdr->replen += decode_setacl_maxsz; |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 1531 | return 0; |
| 1532 | } |
| 1533 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1534 | static void |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1535 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1536 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1537 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1538 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1539 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1540 | *p = cpu_to_be32(OP_SAVEFH); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1541 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1542 | hdr->replen += decode_savefh_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1543 | } |
| 1544 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1545 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1546 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1547 | __be32 *p; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1548 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1549 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1550 | *p++ = cpu_to_be32(OP_SETATTR); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1551 | xdr_encode_opaque_fixed(p, arg->stateid.data, NFS4_STATEID_SIZE); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1552 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1553 | hdr->replen += decode_setattr_maxsz; |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1554 | encode_attrs(xdr, arg->iap, server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1555 | } |
| 1556 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1557 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1558 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1559 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1560 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1561 | p = reserve_space(xdr, 4 + NFS4_VERIFIER_SIZE); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1562 | *p++ = cpu_to_be32(OP_SETCLIENTID); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1563 | xdr_encode_opaque_fixed(p, setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1564 | |
| 1565 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1566 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1567 | *p = cpu_to_be32(setclientid->sc_prog); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1568 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
| 1569 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1570 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1571 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1572 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1573 | hdr->replen += decode_setclientid_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1574 | } |
| 1575 | |
Trond Myklebust | bb8b27e | 2010-04-16 16:43:06 -0400 | [diff] [blame] | 1576 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1577 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1578 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1579 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1580 | p = reserve_space(xdr, 12 + NFS4_VERIFIER_SIZE); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1581 | *p++ = cpu_to_be32(OP_SETCLIENTID_CONFIRM); |
Trond Myklebust | bb8b27e | 2010-04-16 16:43:06 -0400 | [diff] [blame] | 1582 | p = xdr_encode_hyper(p, arg->clientid); |
| 1583 | xdr_encode_opaque_fixed(p, arg->confirm.data, NFS4_VERIFIER_SIZE); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1584 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1585 | hdr->replen += decode_setclientid_confirm_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1586 | } |
| 1587 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1588 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1589 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1590 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1591 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1592 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1593 | *p = cpu_to_be32(OP_WRITE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1594 | |
Trond Myklebust | f11ac8d | 2010-06-25 16:35:53 -0400 | [diff] [blame] | 1595 | encode_stateid(xdr, args->context, args->lock_context); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1596 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1597 | p = reserve_space(xdr, 16); |
Benny Halevy | b95be5a | 2009-08-14 17:19:01 +0300 | [diff] [blame] | 1598 | p = xdr_encode_hyper(p, args->offset); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1599 | *p++ = cpu_to_be32(args->stable); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1600 | *p = cpu_to_be32(args->count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1601 | |
| 1602 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1603 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1604 | hdr->replen += decode_write_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1605 | } |
| 1606 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1607 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1608 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1609 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1610 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1611 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1612 | |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1613 | *p++ = cpu_to_be32(OP_DELEGRETURN); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1614 | xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1615 | hdr->nops++; |
Benny Halevy | dadf0c2 | 2009-04-01 09:22:08 -0400 | [diff] [blame] | 1616 | hdr->replen += decode_delegreturn_maxsz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1617 | } |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 1618 | |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 1619 | #if defined(CONFIG_NFS_V4_1) |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 1620 | /* NFSv4.1 operations */ |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 1621 | static void encode_exchange_id(struct xdr_stream *xdr, |
| 1622 | struct nfs41_exchange_id_args *args, |
| 1623 | struct compound_hdr *hdr) |
| 1624 | { |
| 1625 | __be32 *p; |
| 1626 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1627 | p = reserve_space(xdr, 4 + sizeof(args->verifier->data)); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1628 | *p++ = cpu_to_be32(OP_EXCHANGE_ID); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1629 | xdr_encode_opaque_fixed(p, args->verifier->data, sizeof(args->verifier->data)); |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 1630 | |
| 1631 | encode_string(xdr, args->id_len, args->id); |
| 1632 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1633 | p = reserve_space(xdr, 12); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1634 | *p++ = cpu_to_be32(args->flags); |
| 1635 | *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1636 | *p = cpu_to_be32(0); /* zero length implementation id array */ |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 1637 | hdr->nops++; |
| 1638 | hdr->replen += decode_exchange_id_maxsz; |
| 1639 | } |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1640 | |
| 1641 | static void encode_create_session(struct xdr_stream *xdr, |
| 1642 | struct nfs41_create_session_args *args, |
| 1643 | struct compound_hdr *hdr) |
| 1644 | { |
| 1645 | __be32 *p; |
| 1646 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; |
| 1647 | uint32_t len; |
| 1648 | struct nfs_client *clp = args->client; |
Mike Sager | 8e0d46e | 2009-12-17 12:06:26 -0500 | [diff] [blame] | 1649 | u32 max_resp_sz_cached; |
| 1650 | |
| 1651 | /* |
| 1652 | * Assumes OPEN is the biggest non-idempotent compound. |
| 1653 | * 2 is the verifier. |
| 1654 | */ |
| 1655 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + |
| 1656 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1657 | |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1658 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
| 1659 | clp->cl_ipaddr); |
Benny Halevy | 42edd69 | 2009-08-14 17:19:13 +0300 | [diff] [blame] | 1660 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1661 | p = reserve_space(xdr, 20 + 2*28 + 20 + len + 12); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1662 | *p++ = cpu_to_be32(OP_CREATE_SESSION); |
Benny Halevy | b95be5a | 2009-08-14 17:19:01 +0300 | [diff] [blame] | 1663 | p = xdr_encode_hyper(p, clp->cl_ex_clid); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1664 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
| 1665 | *p++ = cpu_to_be32(args->flags); /*flags */ |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1666 | |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1667 | /* Fore Channel */ |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1668 | *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */ |
| 1669 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
| 1670 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ |
Mike Sager | 8e0d46e | 2009-12-17 12:06:26 -0500 | [diff] [blame] | 1671 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1672 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
| 1673 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ |
| 1674 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1675 | |
| 1676 | /* Back Channel */ |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1677 | *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */ |
| 1678 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
| 1679 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ |
| 1680 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ |
| 1681 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ |
| 1682 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ |
| 1683 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1684 | |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1685 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1686 | *p++ = cpu_to_be32(1); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1687 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1688 | |
| 1689 | /* authsys_parms rfc1831 */ |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1690 | *p++ = cpu_to_be32((u32)clp->cl_boot_time.tv_nsec); /* stamp */ |
Benny Halevy | 811652b | 2009-08-14 17:19:34 +0300 | [diff] [blame] | 1691 | p = xdr_encode_opaque(p, machine_name, len); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1692 | *p++ = cpu_to_be32(0); /* UID */ |
| 1693 | *p++ = cpu_to_be32(0); /* GID */ |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1694 | *p = cpu_to_be32(0); /* No more gids */ |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1695 | hdr->nops++; |
| 1696 | hdr->replen += decode_create_session_maxsz; |
| 1697 | } |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 1698 | |
| 1699 | static void encode_destroy_session(struct xdr_stream *xdr, |
| 1700 | struct nfs4_session *session, |
| 1701 | struct compound_hdr *hdr) |
| 1702 | { |
| 1703 | __be32 *p; |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1704 | p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1705 | *p++ = cpu_to_be32(OP_DESTROY_SESSION); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1706 | xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 1707 | hdr->nops++; |
| 1708 | hdr->replen += decode_destroy_session_maxsz; |
| 1709 | } |
Ricardo Labiaga | 1801975 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 1710 | |
| 1711 | static void encode_reclaim_complete(struct xdr_stream *xdr, |
| 1712 | struct nfs41_reclaim_complete_args *args, |
| 1713 | struct compound_hdr *hdr) |
| 1714 | { |
| 1715 | __be32 *p; |
| 1716 | |
| 1717 | p = reserve_space(xdr, 8); |
| 1718 | *p++ = cpu_to_be32(OP_RECLAIM_COMPLETE); |
| 1719 | *p++ = cpu_to_be32(args->one_fs); |
| 1720 | hdr->nops++; |
| 1721 | hdr->replen += decode_reclaim_complete_maxsz; |
| 1722 | } |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 1723 | #endif /* CONFIG_NFS_V4_1 */ |
| 1724 | |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 1725 | static void encode_sequence(struct xdr_stream *xdr, |
| 1726 | const struct nfs4_sequence_args *args, |
| 1727 | struct compound_hdr *hdr) |
| 1728 | { |
| 1729 | #if defined(CONFIG_NFS_V4_1) |
| 1730 | struct nfs4_session *session = args->sa_session; |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 1731 | struct nfs4_slot_table *tp; |
| 1732 | struct nfs4_slot *slot; |
| 1733 | __be32 *p; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 1734 | |
| 1735 | if (!session) |
| 1736 | return; |
| 1737 | |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 1738 | tp = &session->fc_slot_table; |
| 1739 | |
| 1740 | WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE); |
| 1741 | slot = tp->slots + args->sa_slotid; |
| 1742 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1743 | p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN + 16); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1744 | *p++ = cpu_to_be32(OP_SEQUENCE); |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 1745 | |
| 1746 | /* |
| 1747 | * Sessionid + seqid + slotid + max slotid + cache_this |
| 1748 | */ |
| 1749 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " |
| 1750 | "max_slotid=%d cache_this=%d\n", |
| 1751 | __func__, |
| 1752 | ((u32 *)session->sess_id.data)[0], |
| 1753 | ((u32 *)session->sess_id.data)[1], |
| 1754 | ((u32 *)session->sess_id.data)[2], |
| 1755 | ((u32 *)session->sess_id.data)[3], |
| 1756 | slot->seq_nr, args->sa_slotid, |
| 1757 | tp->highest_used_slotid, args->sa_cache_this); |
Benny Halevy | 93f0cf2 | 2009-08-14 17:19:06 +0300 | [diff] [blame] | 1758 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1759 | *p++ = cpu_to_be32(slot->seq_nr); |
| 1760 | *p++ = cpu_to_be32(args->sa_slotid); |
| 1761 | *p++ = cpu_to_be32(tp->highest_used_slotid); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1762 | *p = cpu_to_be32(args->sa_cache_this); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 1763 | hdr->nops++; |
| 1764 | hdr->replen += decode_sequence_maxsz; |
| 1765 | #endif /* CONFIG_NFS_V4_1 */ |
| 1766 | } |
| 1767 | |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 1768 | #ifdef CONFIG_NFS_V4_1 |
| 1769 | static void |
| 1770 | encode_getdeviceinfo(struct xdr_stream *xdr, |
| 1771 | const struct nfs4_getdeviceinfo_args *args, |
| 1772 | struct compound_hdr *hdr) |
| 1773 | { |
| 1774 | __be32 *p; |
| 1775 | |
| 1776 | p = reserve_space(xdr, 16 + NFS4_DEVICEID4_SIZE); |
| 1777 | *p++ = cpu_to_be32(OP_GETDEVICEINFO); |
| 1778 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
| 1779 | NFS4_DEVICEID4_SIZE); |
| 1780 | *p++ = cpu_to_be32(args->pdev->layout_type); |
| 1781 | *p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */ |
| 1782 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ |
| 1783 | hdr->nops++; |
| 1784 | hdr->replen += decode_getdeviceinfo_maxsz; |
| 1785 | } |
| 1786 | |
| 1787 | static void |
| 1788 | encode_layoutget(struct xdr_stream *xdr, |
| 1789 | const struct nfs4_layoutget_args *args, |
| 1790 | struct compound_hdr *hdr) |
| 1791 | { |
| 1792 | nfs4_stateid stateid; |
| 1793 | __be32 *p; |
| 1794 | |
| 1795 | p = reserve_space(xdr, 44 + NFS4_STATEID_SIZE); |
| 1796 | *p++ = cpu_to_be32(OP_LAYOUTGET); |
| 1797 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
| 1798 | *p++ = cpu_to_be32(args->type); |
| 1799 | *p++ = cpu_to_be32(args->range.iomode); |
| 1800 | p = xdr_encode_hyper(p, args->range.offset); |
| 1801 | p = xdr_encode_hyper(p, args->range.length); |
| 1802 | p = xdr_encode_hyper(p, args->minlength); |
| 1803 | pnfs_get_layout_stateid(&stateid, NFS_I(args->inode)->layout, |
| 1804 | args->ctx->state); |
| 1805 | p = xdr_encode_opaque_fixed(p, &stateid.data, NFS4_STATEID_SIZE); |
| 1806 | *p = cpu_to_be32(args->maxcount); |
| 1807 | |
| 1808 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", |
| 1809 | __func__, |
| 1810 | args->type, |
| 1811 | args->range.iomode, |
| 1812 | (unsigned long)args->range.offset, |
| 1813 | (unsigned long)args->range.length, |
| 1814 | args->maxcount); |
| 1815 | hdr->nops++; |
| 1816 | hdr->replen += decode_layoutget_maxsz; |
| 1817 | } |
| 1818 | #endif /* CONFIG_NFS_V4_1 */ |
| 1819 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1820 | /* |
| 1821 | * END OF "GENERIC" ENCODE ROUTINES. |
| 1822 | */ |
| 1823 | |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 1824 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
| 1825 | { |
| 1826 | #if defined(CONFIG_NFS_V4_1) |
| 1827 | if (args->sa_session) |
Trond Myklebust | a443234 | 2010-06-16 09:52:27 -0400 | [diff] [blame] | 1828 | return args->sa_session->clp->cl_mvops->minor_version; |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 1829 | #endif /* CONFIG_NFS_V4_1 */ |
| 1830 | return 0; |
| 1831 | } |
| 1832 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1833 | /* |
| 1834 | * Encode an ACCESS request |
| 1835 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1836 | 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] | 1837 | { |
| 1838 | struct xdr_stream xdr; |
| 1839 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 1840 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1841 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1842 | |
| 1843 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 1844 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 1845 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1846 | encode_putfh(&xdr, args->fh, &hdr); |
| 1847 | encode_access(&xdr, args->access, &hdr); |
| 1848 | encode_getfattr(&xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1849 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1850 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1851 | } |
| 1852 | |
| 1853 | /* |
| 1854 | * Encode LOOKUP request |
| 1855 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1856 | 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] | 1857 | { |
| 1858 | struct xdr_stream xdr; |
| 1859 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 1860 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1861 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1862 | |
| 1863 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 1864 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 1865 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1866 | encode_putfh(&xdr, args->dir_fh, &hdr); |
| 1867 | encode_lookup(&xdr, args->name, &hdr); |
| 1868 | encode_getfh(&xdr, &hdr); |
| 1869 | encode_getfattr(&xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1870 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1871 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1872 | } |
| 1873 | |
| 1874 | /* |
| 1875 | * Encode LOOKUP_ROOT request |
| 1876 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1877 | 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] | 1878 | { |
| 1879 | struct xdr_stream xdr; |
| 1880 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 1881 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1882 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1883 | |
| 1884 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 1885 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 1886 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1887 | encode_putrootfh(&xdr, &hdr); |
| 1888 | encode_getfh(&xdr, &hdr); |
| 1889 | encode_getfattr(&xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1890 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1891 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1892 | } |
| 1893 | |
| 1894 | /* |
| 1895 | * Encode REMOVE request |
| 1896 | */ |
Trond Myklebust | 4fdc17b | 2007-07-14 15:39:57 -0400 | [diff] [blame] | 1897 | 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] | 1898 | { |
| 1899 | struct xdr_stream xdr; |
| 1900 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 1901 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1902 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1903 | |
| 1904 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 1905 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 1906 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1907 | encode_putfh(&xdr, args->fh, &hdr); |
| 1908 | encode_remove(&xdr, &args->name, &hdr); |
| 1909 | encode_getfattr(&xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1910 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1911 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1912 | } |
| 1913 | |
| 1914 | /* |
| 1915 | * Encode RENAME request |
| 1916 | */ |
Jeff Layton | 920769f | 2010-09-17 17:30:25 -0400 | [diff] [blame] | 1917 | static int nfs4_xdr_enc_rename(struct rpc_rqst *req, __be32 *p, const struct nfs_renameargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1918 | { |
| 1919 | struct xdr_stream xdr; |
| 1920 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 1921 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1922 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1923 | |
| 1924 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 1925 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 1926 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1927 | encode_putfh(&xdr, args->old_dir, &hdr); |
| 1928 | encode_savefh(&xdr, &hdr); |
| 1929 | encode_putfh(&xdr, args->new_dir, &hdr); |
| 1930 | encode_rename(&xdr, args->old_name, args->new_name, &hdr); |
| 1931 | encode_getfattr(&xdr, args->bitmask, &hdr); |
| 1932 | encode_restorefh(&xdr, &hdr); |
| 1933 | encode_getfattr(&xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1934 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1935 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1936 | } |
| 1937 | |
| 1938 | /* |
| 1939 | * Encode LINK request |
| 1940 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1941 | 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] | 1942 | { |
| 1943 | struct xdr_stream xdr; |
| 1944 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 1945 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1946 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1947 | |
| 1948 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 1949 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 1950 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1951 | encode_putfh(&xdr, args->fh, &hdr); |
| 1952 | encode_savefh(&xdr, &hdr); |
| 1953 | encode_putfh(&xdr, args->dir_fh, &hdr); |
| 1954 | encode_link(&xdr, args->name, &hdr); |
| 1955 | encode_getfattr(&xdr, args->bitmask, &hdr); |
| 1956 | encode_restorefh(&xdr, &hdr); |
| 1957 | encode_getfattr(&xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1958 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1959 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1960 | } |
| 1961 | |
| 1962 | /* |
| 1963 | * Encode CREATE request |
| 1964 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1965 | 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] | 1966 | { |
| 1967 | struct xdr_stream xdr; |
| 1968 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 1969 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1970 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1971 | |
| 1972 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 1973 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 1974 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1975 | encode_putfh(&xdr, args->dir_fh, &hdr); |
| 1976 | encode_savefh(&xdr, &hdr); |
| 1977 | encode_create(&xdr, args, &hdr); |
| 1978 | encode_getfh(&xdr, &hdr); |
| 1979 | encode_getfattr(&xdr, args->bitmask, &hdr); |
| 1980 | encode_restorefh(&xdr, &hdr); |
| 1981 | encode_getfattr(&xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1982 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1983 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1984 | } |
| 1985 | |
| 1986 | /* |
| 1987 | * Encode SYMLINK request |
| 1988 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1989 | 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] | 1990 | { |
| 1991 | return nfs4_xdr_enc_create(req, p, args); |
| 1992 | } |
| 1993 | |
| 1994 | /* |
| 1995 | * Encode GETATTR request |
| 1996 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1997 | 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] | 1998 | { |
| 1999 | struct xdr_stream xdr; |
| 2000 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2001 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2002 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2003 | |
| 2004 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2005 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2006 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2007 | encode_putfh(&xdr, args->fh, &hdr); |
| 2008 | encode_getfattr(&xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2009 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2010 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2011 | } |
| 2012 | |
| 2013 | /* |
| 2014 | * Encode a CLOSE request |
| 2015 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2016 | 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] | 2017 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 2018 | struct xdr_stream xdr; |
| 2019 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2020 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 2021 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2022 | |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 2023 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2024 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2025 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2026 | encode_putfh(&xdr, args->fh, &hdr); |
| 2027 | encode_close(&xdr, args, &hdr); |
| 2028 | encode_getfattr(&xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2029 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2030 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2031 | } |
| 2032 | |
| 2033 | /* |
| 2034 | * Encode an OPEN request |
| 2035 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2036 | 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] | 2037 | { |
| 2038 | struct xdr_stream xdr; |
| 2039 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2040 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2041 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2042 | |
| 2043 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2044 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2045 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2046 | encode_putfh(&xdr, args->fh, &hdr); |
| 2047 | encode_savefh(&xdr, &hdr); |
| 2048 | encode_open(&xdr, args, &hdr); |
| 2049 | encode_getfh(&xdr, &hdr); |
| 2050 | encode_getfattr(&xdr, args->bitmask, &hdr); |
| 2051 | encode_restorefh(&xdr, &hdr); |
| 2052 | encode_getfattr(&xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2053 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2054 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2055 | } |
| 2056 | |
| 2057 | /* |
| 2058 | * Encode an OPEN_CONFIRM request |
| 2059 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2060 | 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] | 2061 | { |
| 2062 | struct xdr_stream xdr; |
| 2063 | struct compound_hdr hdr = { |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2064 | .nops = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2065 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2066 | |
| 2067 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2068 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2069 | encode_putfh(&xdr, args->fh, &hdr); |
| 2070 | encode_open_confirm(&xdr, args, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2071 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2072 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2073 | } |
| 2074 | |
| 2075 | /* |
| 2076 | * Encode an OPEN request with no attributes. |
| 2077 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2078 | 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] | 2079 | { |
| 2080 | struct xdr_stream xdr; |
| 2081 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2082 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2083 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2084 | |
| 2085 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2086 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2087 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2088 | encode_putfh(&xdr, args->fh, &hdr); |
| 2089 | encode_open(&xdr, args, &hdr); |
| 2090 | encode_getfattr(&xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2091 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2092 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2093 | } |
| 2094 | |
| 2095 | /* |
| 2096 | * Encode an OPEN_DOWNGRADE request |
| 2097 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2098 | 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] | 2099 | { |
| 2100 | struct xdr_stream xdr; |
| 2101 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2102 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2103 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2104 | |
| 2105 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2106 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2107 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2108 | encode_putfh(&xdr, args->fh, &hdr); |
| 2109 | encode_open_downgrade(&xdr, args, &hdr); |
| 2110 | encode_getfattr(&xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2111 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2112 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2113 | } |
| 2114 | |
| 2115 | /* |
| 2116 | * Encode a LOCK request |
| 2117 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2118 | 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] | 2119 | { |
| 2120 | struct xdr_stream xdr; |
| 2121 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2122 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2123 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2124 | |
| 2125 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2126 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2127 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2128 | encode_putfh(&xdr, args->fh, &hdr); |
| 2129 | encode_lock(&xdr, args, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2130 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2131 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2132 | } |
| 2133 | |
| 2134 | /* |
| 2135 | * Encode a LOCKT request |
| 2136 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2137 | 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] | 2138 | { |
| 2139 | struct xdr_stream xdr; |
| 2140 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2141 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2142 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2143 | |
| 2144 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2145 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2146 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2147 | encode_putfh(&xdr, args->fh, &hdr); |
| 2148 | encode_lockt(&xdr, args, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2149 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2150 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2151 | } |
| 2152 | |
| 2153 | /* |
| 2154 | * Encode a LOCKU request |
| 2155 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2156 | 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] | 2157 | { |
| 2158 | struct xdr_stream xdr; |
| 2159 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2160 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2161 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2162 | |
| 2163 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2164 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2165 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2166 | encode_putfh(&xdr, args->fh, &hdr); |
| 2167 | encode_locku(&xdr, args, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2168 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2169 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2170 | } |
| 2171 | |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 2172 | static int nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, __be32 *p, struct nfs_release_lockowner_args *args) |
| 2173 | { |
| 2174 | struct xdr_stream xdr; |
| 2175 | struct compound_hdr hdr = { |
| 2176 | .minorversion = 0, |
| 2177 | }; |
| 2178 | |
| 2179 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 2180 | encode_compound_hdr(&xdr, req, &hdr); |
| 2181 | encode_release_lockowner(&xdr, &args->lock_owner, &hdr); |
| 2182 | encode_nops(&hdr); |
| 2183 | return 0; |
| 2184 | } |
| 2185 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2186 | /* |
| 2187 | * Encode a READLINK request |
| 2188 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2189 | 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] | 2190 | { |
| 2191 | struct xdr_stream xdr; |
| 2192 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2193 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2194 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2195 | |
| 2196 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2197 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2198 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2199 | encode_putfh(&xdr, args->fh, &hdr); |
| 2200 | encode_readlink(&xdr, args, req, &hdr); |
Trond Myklebust | e3a535e | 2007-07-19 10:03:38 -0400 | [diff] [blame] | 2201 | |
Benny Halevy | 28f5669 | 2009-04-01 09:22:09 -0400 | [diff] [blame] | 2202 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
Trond Myklebust | e3a535e | 2007-07-19 10:03:38 -0400 | [diff] [blame] | 2203 | args->pgbase, args->pglen); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2204 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2205 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2206 | } |
| 2207 | |
| 2208 | /* |
| 2209 | * Encode a READDIR request |
| 2210 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2211 | 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] | 2212 | { |
| 2213 | struct xdr_stream xdr; |
| 2214 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2215 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2216 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2217 | |
| 2218 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2219 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2220 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2221 | encode_putfh(&xdr, args->fh, &hdr); |
| 2222 | encode_readdir(&xdr, args, req, &hdr); |
Trond Myklebust | d6ac02d | 2007-07-19 10:03:37 -0400 | [diff] [blame] | 2223 | |
Benny Halevy | 28f5669 | 2009-04-01 09:22:09 -0400 | [diff] [blame] | 2224 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
Trond Myklebust | d6ac02d | 2007-07-19 10:03:37 -0400 | [diff] [blame] | 2225 | args->pgbase, args->count); |
| 2226 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", |
Benny Halevy | 28f5669 | 2009-04-01 09:22:09 -0400 | [diff] [blame] | 2227 | __func__, hdr.replen << 2, args->pages, |
Trond Myklebust | d6ac02d | 2007-07-19 10:03:37 -0400 | [diff] [blame] | 2228 | args->pgbase, args->count); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2229 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2230 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2231 | } |
| 2232 | |
| 2233 | /* |
| 2234 | * Encode a READ request |
| 2235 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2236 | 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] | 2237 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2238 | struct xdr_stream xdr; |
| 2239 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2240 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2241 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2242 | |
| 2243 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2244 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2245 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2246 | encode_putfh(&xdr, args->fh, &hdr); |
| 2247 | encode_read(&xdr, args, &hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2248 | |
Benny Halevy | 28f5669 | 2009-04-01 09:22:09 -0400 | [diff] [blame] | 2249 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2250 | args->pages, args->pgbase, args->count); |
\"Talpey, Thomas\ | 4f22ccc | 2007-09-10 13:44:58 -0400 | [diff] [blame] | 2251 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2252 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2253 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2254 | } |
| 2255 | |
| 2256 | /* |
| 2257 | * Encode an SETATTR request |
| 2258 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2259 | 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] | 2260 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 2261 | struct xdr_stream xdr; |
| 2262 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2263 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 2264 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2265 | |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 2266 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2267 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2268 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2269 | encode_putfh(&xdr, args->fh, &hdr); |
| 2270 | encode_setattr(&xdr, args, args->server, &hdr); |
| 2271 | encode_getfattr(&xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2272 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2273 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2274 | } |
| 2275 | |
| 2276 | /* |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 2277 | * Encode a GETACL request |
| 2278 | */ |
| 2279 | static int |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2280 | nfs4_xdr_enc_getacl(struct rpc_rqst *req, __be32 *p, |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 2281 | struct nfs_getaclargs *args) |
| 2282 | { |
| 2283 | struct xdr_stream xdr; |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 2284 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2285 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 2286 | }; |
Benny Halevy | 28f5669 | 2009-04-01 09:22:09 -0400 | [diff] [blame] | 2287 | uint32_t replen; |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 2288 | |
| 2289 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2290 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2291 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2292 | encode_putfh(&xdr, args->fh, &hdr); |
J. Bruce Fields | d327cf7 | 2009-12-03 08:10:17 -0500 | [diff] [blame] | 2293 | replen = hdr.replen + op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz + 1; |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2294 | encode_getattr_two(&xdr, FATTR4_WORD0_ACL, 0, &hdr); |
| 2295 | |
Benny Halevy | 28f5669 | 2009-04-01 09:22:09 -0400 | [diff] [blame] | 2296 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 2297 | args->acl_pages, args->acl_pgbase, args->acl_len); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2298 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2299 | return 0; |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 2300 | } |
| 2301 | |
| 2302 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2303 | * Encode a WRITE request |
| 2304 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2305 | 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] | 2306 | { |
| 2307 | struct xdr_stream xdr; |
| 2308 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2309 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2310 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2311 | |
| 2312 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2313 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2314 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2315 | encode_putfh(&xdr, args->fh, &hdr); |
| 2316 | encode_write(&xdr, args, &hdr); |
\"Talpey, Thomas\ | 4f22ccc | 2007-09-10 13:44:58 -0400 | [diff] [blame] | 2317 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2318 | encode_getfattr(&xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2319 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2320 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2321 | } |
| 2322 | |
| 2323 | /* |
| 2324 | * a COMMIT request |
| 2325 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2326 | 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] | 2327 | { |
| 2328 | struct xdr_stream xdr; |
| 2329 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2330 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2331 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2332 | |
| 2333 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2334 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2335 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2336 | encode_putfh(&xdr, args->fh, &hdr); |
| 2337 | encode_commit(&xdr, args, &hdr); |
| 2338 | encode_getfattr(&xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2339 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2340 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2341 | } |
| 2342 | |
| 2343 | /* |
| 2344 | * FSINFO request |
| 2345 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2346 | 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] | 2347 | { |
| 2348 | struct xdr_stream xdr; |
| 2349 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2350 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2351 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2352 | |
| 2353 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2354 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2355 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2356 | encode_putfh(&xdr, args->fh, &hdr); |
| 2357 | encode_fsinfo(&xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2358 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2359 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2360 | } |
| 2361 | |
| 2362 | /* |
| 2363 | * a PATHCONF request |
| 2364 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2365 | 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] | 2366 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2367 | struct xdr_stream xdr; |
| 2368 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2369 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2370 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2371 | |
| 2372 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2373 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2374 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2375 | encode_putfh(&xdr, args->fh, &hdr); |
| 2376 | encode_getattr_one(&xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], |
| 2377 | &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2378 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2379 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2380 | } |
| 2381 | |
| 2382 | /* |
| 2383 | * a STATFS request |
| 2384 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2385 | 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] | 2386 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2387 | struct xdr_stream xdr; |
| 2388 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2389 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2390 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2391 | |
| 2392 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2393 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2394 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2395 | encode_putfh(&xdr, args->fh, &hdr); |
| 2396 | encode_getattr_two(&xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], |
| 2397 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2398 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2399 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2400 | } |
| 2401 | |
| 2402 | /* |
| 2403 | * GETATTR_BITMAP request |
| 2404 | */ |
Benny Halevy | 43652ad | 2009-04-01 09:21:54 -0400 | [diff] [blame] | 2405 | static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, __be32 *p, |
| 2406 | struct nfs4_server_caps_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2407 | { |
| 2408 | struct xdr_stream xdr; |
| 2409 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2410 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2411 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2412 | |
| 2413 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2414 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2415 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Benny Halevy | 43652ad | 2009-04-01 09:21:54 -0400 | [diff] [blame] | 2416 | encode_putfh(&xdr, args->fhandle, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2417 | encode_getattr_one(&xdr, FATTR4_WORD0_SUPPORTED_ATTRS| |
| 2418 | FATTR4_WORD0_LINK_SUPPORT| |
| 2419 | FATTR4_WORD0_SYMLINK_SUPPORT| |
| 2420 | FATTR4_WORD0_ACLSUPPORT, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2421 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2422 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2423 | } |
| 2424 | |
| 2425 | /* |
| 2426 | * a RENEW request |
| 2427 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2428 | 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] | 2429 | { |
| 2430 | struct xdr_stream xdr; |
| 2431 | struct compound_hdr hdr = { |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2432 | .nops = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2433 | }; |
| 2434 | |
| 2435 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2436 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2437 | encode_renew(&xdr, clp, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2438 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2439 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2440 | } |
| 2441 | |
| 2442 | /* |
| 2443 | * a SETCLIENTID request |
| 2444 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2445 | 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] | 2446 | { |
| 2447 | struct xdr_stream xdr; |
| 2448 | struct compound_hdr hdr = { |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2449 | .nops = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2450 | }; |
| 2451 | |
| 2452 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2453 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2454 | encode_setclientid(&xdr, sc, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2455 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2456 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2457 | } |
| 2458 | |
| 2459 | /* |
| 2460 | * a SETCLIENTID_CONFIRM request |
| 2461 | */ |
Trond Myklebust | bb8b27e | 2010-04-16 16:43:06 -0400 | [diff] [blame] | 2462 | static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs4_setclientid_res *arg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2463 | { |
| 2464 | struct xdr_stream xdr; |
| 2465 | struct compound_hdr hdr = { |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2466 | .nops = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2467 | }; |
| 2468 | const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2469 | |
| 2470 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2471 | encode_compound_hdr(&xdr, req, &hdr); |
Trond Myklebust | bb8b27e | 2010-04-16 16:43:06 -0400 | [diff] [blame] | 2472 | encode_setclientid_confirm(&xdr, arg, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2473 | encode_putrootfh(&xdr, &hdr); |
| 2474 | encode_fsinfo(&xdr, lease_bitmap, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2475 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2476 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2477 | } |
| 2478 | |
| 2479 | /* |
| 2480 | * DELEGRETURN request |
| 2481 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2482 | 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] | 2483 | { |
| 2484 | struct xdr_stream xdr; |
| 2485 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2486 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2487 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2488 | |
| 2489 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2490 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2491 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2492 | encode_putfh(&xdr, args->fhandle, &hdr); |
| 2493 | encode_delegreturn(&xdr, args->stateid, &hdr); |
| 2494 | encode_getfattr(&xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2495 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2496 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2497 | } |
| 2498 | |
| 2499 | /* |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2500 | * Encode FS_LOCATIONS request |
| 2501 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2502 | 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] | 2503 | { |
| 2504 | struct xdr_stream xdr; |
| 2505 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2506 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2507 | }; |
Benny Halevy | 28f5669 | 2009-04-01 09:22:09 -0400 | [diff] [blame] | 2508 | uint32_t replen; |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2509 | |
| 2510 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 2511 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 2512 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2513 | encode_putfh(&xdr, args->dir_fh, &hdr); |
| 2514 | encode_lookup(&xdr, args->name, &hdr); |
Benny Halevy | 28f5669 | 2009-04-01 09:22:09 -0400 | [diff] [blame] | 2515 | replen = hdr.replen; /* get the attribute into args->page */ |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2516 | encode_fs_locations(&xdr, args->bitmask, &hdr); |
| 2517 | |
Benny Halevy | 28f5669 | 2009-04-01 09:22:09 -0400 | [diff] [blame] | 2518 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2519 | 0, PAGE_SIZE); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2520 | encode_nops(&hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2521 | return 0; |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2522 | } |
| 2523 | |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 2524 | #if defined(CONFIG_NFS_V4_1) |
| 2525 | /* |
| 2526 | * EXCHANGE_ID request |
| 2527 | */ |
| 2528 | static int nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, uint32_t *p, |
| 2529 | struct nfs41_exchange_id_args *args) |
| 2530 | { |
| 2531 | struct xdr_stream xdr; |
| 2532 | struct compound_hdr hdr = { |
Trond Myklebust | a443234 | 2010-06-16 09:52:27 -0400 | [diff] [blame] | 2533 | .minorversion = args->client->cl_mvops->minor_version, |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 2534 | }; |
| 2535 | |
| 2536 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 2537 | encode_compound_hdr(&xdr, req, &hdr); |
| 2538 | encode_exchange_id(&xdr, args, &hdr); |
| 2539 | encode_nops(&hdr); |
| 2540 | return 0; |
| 2541 | } |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 2542 | |
| 2543 | /* |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 2544 | * a CREATE_SESSION request |
| 2545 | */ |
| 2546 | static int nfs4_xdr_enc_create_session(struct rpc_rqst *req, uint32_t *p, |
| 2547 | struct nfs41_create_session_args *args) |
| 2548 | { |
| 2549 | struct xdr_stream xdr; |
| 2550 | struct compound_hdr hdr = { |
Trond Myklebust | a443234 | 2010-06-16 09:52:27 -0400 | [diff] [blame] | 2551 | .minorversion = args->client->cl_mvops->minor_version, |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 2552 | }; |
| 2553 | |
| 2554 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 2555 | encode_compound_hdr(&xdr, req, &hdr); |
| 2556 | encode_create_session(&xdr, args, &hdr); |
| 2557 | encode_nops(&hdr); |
| 2558 | return 0; |
| 2559 | } |
| 2560 | |
| 2561 | /* |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 2562 | * a DESTROY_SESSION request |
| 2563 | */ |
| 2564 | static int nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, uint32_t *p, |
| 2565 | struct nfs4_session *session) |
| 2566 | { |
| 2567 | struct xdr_stream xdr; |
| 2568 | struct compound_hdr hdr = { |
Trond Myklebust | a443234 | 2010-06-16 09:52:27 -0400 | [diff] [blame] | 2569 | .minorversion = session->clp->cl_mvops->minor_version, |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 2570 | }; |
| 2571 | |
| 2572 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 2573 | encode_compound_hdr(&xdr, req, &hdr); |
| 2574 | encode_destroy_session(&xdr, session, &hdr); |
| 2575 | encode_nops(&hdr); |
| 2576 | return 0; |
| 2577 | } |
| 2578 | |
| 2579 | /* |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 2580 | * a SEQUENCE request |
| 2581 | */ |
| 2582 | static int nfs4_xdr_enc_sequence(struct rpc_rqst *req, uint32_t *p, |
| 2583 | struct nfs4_sequence_args *args) |
| 2584 | { |
| 2585 | struct xdr_stream xdr; |
| 2586 | struct compound_hdr hdr = { |
| 2587 | .minorversion = nfs4_xdr_minorversion(args), |
| 2588 | }; |
| 2589 | |
| 2590 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 2591 | encode_compound_hdr(&xdr, req, &hdr); |
| 2592 | encode_sequence(&xdr, args, &hdr); |
| 2593 | encode_nops(&hdr); |
| 2594 | return 0; |
| 2595 | } |
| 2596 | |
| 2597 | /* |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 2598 | * a GET_LEASE_TIME request |
| 2599 | */ |
| 2600 | static int nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, uint32_t *p, |
| 2601 | struct nfs4_get_lease_time_args *args) |
| 2602 | { |
| 2603 | struct xdr_stream xdr; |
| 2604 | struct compound_hdr hdr = { |
| 2605 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), |
| 2606 | }; |
| 2607 | const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; |
| 2608 | |
| 2609 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 2610 | encode_compound_hdr(&xdr, req, &hdr); |
| 2611 | encode_sequence(&xdr, &args->la_seq_args, &hdr); |
| 2612 | encode_putrootfh(&xdr, &hdr); |
| 2613 | encode_fsinfo(&xdr, lease_bitmap, &hdr); |
| 2614 | encode_nops(&hdr); |
| 2615 | return 0; |
| 2616 | } |
Ricardo Labiaga | 1801975 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 2617 | |
| 2618 | /* |
| 2619 | * a RECLAIM_COMPLETE request |
| 2620 | */ |
| 2621 | static int nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, uint32_t *p, |
| 2622 | struct nfs41_reclaim_complete_args *args) |
| 2623 | { |
| 2624 | struct xdr_stream xdr; |
| 2625 | struct compound_hdr hdr = { |
| 2626 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) |
| 2627 | }; |
| 2628 | |
| 2629 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 2630 | encode_compound_hdr(&xdr, req, &hdr); |
| 2631 | encode_sequence(&xdr, &args->seq_args, &hdr); |
| 2632 | encode_reclaim_complete(&xdr, args, &hdr); |
| 2633 | encode_nops(&hdr); |
| 2634 | return 0; |
| 2635 | } |
| 2636 | |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 2637 | /* |
| 2638 | * Encode GETDEVICEINFO request |
| 2639 | */ |
| 2640 | static int nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, uint32_t *p, |
| 2641 | struct nfs4_getdeviceinfo_args *args) |
| 2642 | { |
| 2643 | struct xdr_stream xdr; |
| 2644 | struct compound_hdr hdr = { |
| 2645 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
| 2646 | }; |
| 2647 | |
| 2648 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 2649 | encode_compound_hdr(&xdr, req, &hdr); |
| 2650 | encode_sequence(&xdr, &args->seq_args, &hdr); |
| 2651 | encode_getdeviceinfo(&xdr, args, &hdr); |
| 2652 | |
| 2653 | /* set up reply kvec. Subtract notification bitmap max size (2) |
| 2654 | * so that notification bitmap is put in xdr_buf tail */ |
| 2655 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, |
| 2656 | args->pdev->pages, args->pdev->pgbase, |
| 2657 | args->pdev->pglen); |
| 2658 | |
| 2659 | encode_nops(&hdr); |
| 2660 | return 0; |
| 2661 | } |
| 2662 | |
| 2663 | /* |
| 2664 | * Encode LAYOUTGET request |
| 2665 | */ |
| 2666 | static int nfs4_xdr_enc_layoutget(struct rpc_rqst *req, uint32_t *p, |
| 2667 | struct nfs4_layoutget_args *args) |
| 2668 | { |
| 2669 | struct xdr_stream xdr; |
| 2670 | struct compound_hdr hdr = { |
| 2671 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
| 2672 | }; |
| 2673 | |
| 2674 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
| 2675 | encode_compound_hdr(&xdr, req, &hdr); |
| 2676 | encode_sequence(&xdr, &args->seq_args, &hdr); |
| 2677 | encode_putfh(&xdr, NFS_FH(args->inode), &hdr); |
| 2678 | encode_layoutget(&xdr, args, &hdr); |
| 2679 | encode_nops(&hdr); |
| 2680 | return 0; |
| 2681 | } |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 2682 | #endif /* CONFIG_NFS_V4_1 */ |
| 2683 | |
Benny Halevy | 686841b | 2009-08-14 17:19:48 +0300 | [diff] [blame] | 2684 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
| 2685 | { |
| 2686 | dprintk("nfs: %s: prematurely hit end of receive buffer. " |
| 2687 | "Remaining buffer length is %tu words.\n", |
| 2688 | func, xdr->end - xdr->p); |
| 2689 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2690 | |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2691 | 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] | 2692 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2693 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2694 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2695 | p = xdr_inline_decode(xdr, 4); |
| 2696 | if (unlikely(!p)) |
| 2697 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 2698 | *len = be32_to_cpup(p); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2699 | p = xdr_inline_decode(xdr, *len); |
| 2700 | if (unlikely(!p)) |
| 2701 | goto out_overflow; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2702 | *string = (char *)p; |
| 2703 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2704 | out_overflow: |
| 2705 | print_overflow_msg(__func__, xdr); |
| 2706 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2707 | } |
| 2708 | |
| 2709 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) |
| 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 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2713 | p = xdr_inline_decode(xdr, 8); |
| 2714 | if (unlikely(!p)) |
| 2715 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 2716 | hdr->status = be32_to_cpup(p++); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 2717 | hdr->taglen = be32_to_cpup(p); |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 2718 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2719 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
| 2720 | if (unlikely(!p)) |
| 2721 | goto out_overflow; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2722 | hdr->tag = (char *)p; |
| 2723 | p += XDR_QUADLEN(hdr->taglen); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 2724 | hdr->nops = be32_to_cpup(p); |
Benny Halevy | aadf615 | 2008-12-23 16:06:13 -0500 | [diff] [blame] | 2725 | if (unlikely(hdr->nops < 1)) |
| 2726 | return nfs4_stat_to_errno(hdr->status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2727 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2728 | out_overflow: |
| 2729 | print_overflow_msg(__func__, xdr); |
| 2730 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2731 | } |
| 2732 | |
| 2733 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) |
| 2734 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2735 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2736 | uint32_t opnum; |
| 2737 | int32_t nfserr; |
| 2738 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2739 | p = xdr_inline_decode(xdr, 8); |
| 2740 | if (unlikely(!p)) |
| 2741 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 2742 | opnum = be32_to_cpup(p++); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2743 | if (opnum != expected) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 2744 | dprintk("nfs: Server returned operation" |
| 2745 | " %d but we issued a request for %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2746 | opnum, expected); |
| 2747 | return -EIO; |
| 2748 | } |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 2749 | nfserr = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2750 | if (nfserr != NFS_OK) |
Benny Halevy | 856dff3 | 2008-03-31 17:39:06 +0300 | [diff] [blame] | 2751 | return nfs4_stat_to_errno(nfserr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2752 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2753 | out_overflow: |
| 2754 | print_overflow_msg(__func__, xdr); |
| 2755 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2756 | } |
| 2757 | |
| 2758 | /* Dummy routine */ |
David Howells | adfa6f9 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 2759 | 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] | 2760 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2761 | __be32 *p; |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2762 | unsigned int strlen; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2763 | char *str; |
| 2764 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2765 | p = xdr_inline_decode(xdr, 12); |
| 2766 | if (likely(p)) |
| 2767 | return decode_opaque_inline(xdr, &strlen, &str); |
| 2768 | print_overflow_msg(__func__, xdr); |
| 2769 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2770 | } |
| 2771 | |
| 2772 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) |
| 2773 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2774 | uint32_t bmlen; |
| 2775 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2776 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2777 | p = xdr_inline_decode(xdr, 4); |
| 2778 | if (unlikely(!p)) |
| 2779 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 2780 | bmlen = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2781 | |
| 2782 | bitmap[0] = bitmap[1] = 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2783 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
| 2784 | if (unlikely(!p)) |
| 2785 | goto out_overflow; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2786 | if (bmlen > 0) { |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 2787 | bitmap[0] = be32_to_cpup(p++); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2788 | if (bmlen > 1) |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 2789 | bitmap[1] = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2790 | } |
| 2791 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2792 | out_overflow: |
| 2793 | print_overflow_msg(__func__, xdr); |
| 2794 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2795 | } |
| 2796 | |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2797 | 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] | 2798 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2799 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2800 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2801 | p = xdr_inline_decode(xdr, 4); |
| 2802 | if (unlikely(!p)) |
| 2803 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 2804 | *attrlen = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2805 | *savep = xdr->p; |
| 2806 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2807 | out_overflow: |
| 2808 | print_overflow_msg(__func__, xdr); |
| 2809 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2810 | } |
| 2811 | |
| 2812 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) |
| 2813 | { |
| 2814 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { |
Roman Borisov | 3388bff | 2010-10-13 16:54:51 +0400 | [diff] [blame] | 2815 | int ret; |
| 2816 | ret = decode_attr_bitmap(xdr, bitmask); |
| 2817 | if (unlikely(ret < 0)) |
| 2818 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2819 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
| 2820 | } else |
| 2821 | bitmask[0] = bitmask[1] = 0; |
Fred Isaman | 4410924 | 2008-04-02 15:21:15 +0300 | [diff] [blame] | 2822 | dprintk("%s: bitmask=%08x:%08x\n", __func__, bitmask[0], bitmask[1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2823 | return 0; |
| 2824 | } |
| 2825 | |
| 2826 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) |
| 2827 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2828 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 2829 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2830 | |
| 2831 | *type = 0; |
| 2832 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) |
| 2833 | return -EIO; |
| 2834 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2835 | p = xdr_inline_decode(xdr, 4); |
| 2836 | if (unlikely(!p)) |
| 2837 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 2838 | *type = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2839 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 2840 | dprintk("%s: bad type %d\n", __func__, *type); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2841 | return -EIO; |
| 2842 | } |
| 2843 | bitmap[0] &= ~FATTR4_WORD0_TYPE; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 2844 | ret = NFS_ATTR_FATTR_TYPE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2845 | } |
Trond Myklebust | bca7947 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 2846 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 2847 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2848 | out_overflow: |
| 2849 | print_overflow_msg(__func__, xdr); |
| 2850 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2851 | } |
| 2852 | |
| 2853 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
| 2854 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2855 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 2856 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2857 | |
| 2858 | *change = 0; |
| 2859 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) |
| 2860 | return -EIO; |
| 2861 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2862 | p = xdr_inline_decode(xdr, 8); |
| 2863 | if (unlikely(!p)) |
| 2864 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 2865 | xdr_decode_hyper(p, change); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2866 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 2867 | ret = NFS_ATTR_FATTR_CHANGE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2868 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 2869 | dprintk("%s: change attribute=%Lu\n", __func__, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2870 | (unsigned long long)*change); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 2871 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2872 | out_overflow: |
| 2873 | print_overflow_msg(__func__, xdr); |
| 2874 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2875 | } |
| 2876 | |
| 2877 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) |
| 2878 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2879 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 2880 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2881 | |
| 2882 | *size = 0; |
| 2883 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) |
| 2884 | return -EIO; |
| 2885 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2886 | p = xdr_inline_decode(xdr, 8); |
| 2887 | if (unlikely(!p)) |
| 2888 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 2889 | xdr_decode_hyper(p, size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2890 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 2891 | ret = NFS_ATTR_FATTR_SIZE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2892 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 2893 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 2894 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2895 | out_overflow: |
| 2896 | print_overflow_msg(__func__, xdr); |
| 2897 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2898 | } |
| 2899 | |
| 2900 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 2901 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2902 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2903 | |
| 2904 | *res = 0; |
| 2905 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) |
| 2906 | return -EIO; |
| 2907 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2908 | p = xdr_inline_decode(xdr, 4); |
| 2909 | if (unlikely(!p)) |
| 2910 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 2911 | *res = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2912 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
| 2913 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 2914 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2915 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2916 | out_overflow: |
| 2917 | print_overflow_msg(__func__, xdr); |
| 2918 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2919 | } |
| 2920 | |
| 2921 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 2922 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2923 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2924 | |
| 2925 | *res = 0; |
| 2926 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) |
| 2927 | return -EIO; |
| 2928 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2929 | p = xdr_inline_decode(xdr, 4); |
| 2930 | if (unlikely(!p)) |
| 2931 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 2932 | *res = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2933 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
| 2934 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 2935 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2936 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2937 | out_overflow: |
| 2938 | print_overflow_msg(__func__, xdr); |
| 2939 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2940 | } |
| 2941 | |
Trond Myklebust | 8b4bdcf | 2006-06-09 09:34:19 -0400 | [diff] [blame] | 2942 | 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] | 2943 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2944 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 2945 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2946 | |
| 2947 | fsid->major = 0; |
| 2948 | fsid->minor = 0; |
| 2949 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) |
| 2950 | return -EIO; |
| 2951 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2952 | p = xdr_inline_decode(xdr, 16); |
| 2953 | if (unlikely(!p)) |
| 2954 | goto out_overflow; |
Benny Halevy | 3ceb4db | 2009-08-14 17:19:41 +0300 | [diff] [blame] | 2955 | p = xdr_decode_hyper(p, &fsid->major); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 2956 | xdr_decode_hyper(p, &fsid->minor); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2957 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 2958 | ret = NFS_ATTR_FATTR_FSID; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2959 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 2960 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2961 | (unsigned long long)fsid->major, |
| 2962 | (unsigned long long)fsid->minor); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 2963 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2964 | out_overflow: |
| 2965 | print_overflow_msg(__func__, xdr); |
| 2966 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2967 | } |
| 2968 | |
| 2969 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 2970 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 2971 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2972 | |
| 2973 | *res = 60; |
| 2974 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) |
| 2975 | return -EIO; |
| 2976 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2977 | p = xdr_inline_decode(xdr, 4); |
| 2978 | if (unlikely(!p)) |
| 2979 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 2980 | *res = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2981 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
| 2982 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 2983 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2984 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 2985 | out_overflow: |
| 2986 | print_overflow_msg(__func__, xdr); |
| 2987 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2988 | } |
| 2989 | |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 2990 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap) |
| 2991 | { |
| 2992 | __be32 *p; |
| 2993 | |
| 2994 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) |
| 2995 | return -EIO; |
| 2996 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { |
| 2997 | p = xdr_inline_decode(xdr, 4); |
| 2998 | if (unlikely(!p)) |
| 2999 | goto out_overflow; |
| 3000 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; |
| 3001 | } |
| 3002 | return 0; |
| 3003 | out_overflow: |
| 3004 | print_overflow_msg(__func__, xdr); |
| 3005 | return -EIO; |
| 3006 | } |
| 3007 | |
| 3008 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) |
| 3009 | { |
| 3010 | __be32 *p; |
| 3011 | int len; |
| 3012 | |
Trond Myklebust | 7ad0735 | 2010-10-23 15:34:20 -0400 | [diff] [blame] | 3013 | if (fh != NULL) |
| 3014 | memset(fh, 0, sizeof(*fh)); |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 3015 | |
| 3016 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) |
| 3017 | return -EIO; |
| 3018 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { |
| 3019 | p = xdr_inline_decode(xdr, 4); |
| 3020 | if (unlikely(!p)) |
| 3021 | goto out_overflow; |
| 3022 | len = be32_to_cpup(p); |
| 3023 | if (len > NFS4_FHSIZE) |
| 3024 | return -EIO; |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 3025 | p = xdr_inline_decode(xdr, len); |
| 3026 | if (unlikely(!p)) |
| 3027 | goto out_overflow; |
Trond Myklebust | 7ad0735 | 2010-10-23 15:34:20 -0400 | [diff] [blame] | 3028 | if (fh != NULL) { |
| 3029 | memcpy(fh->data, p, len); |
| 3030 | fh->size = len; |
| 3031 | } |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 3032 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
| 3033 | } |
| 3034 | return 0; |
| 3035 | out_overflow: |
| 3036 | print_overflow_msg(__func__, xdr); |
| 3037 | return -EIO; |
| 3038 | } |
| 3039 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3040 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 3041 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3042 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3043 | |
| 3044 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; |
| 3045 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) |
| 3046 | return -EIO; |
| 3047 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3048 | p = xdr_inline_decode(xdr, 4); |
| 3049 | if (unlikely(!p)) |
| 3050 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3051 | *res = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3052 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
| 3053 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3054 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3055 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3056 | out_overflow: |
| 3057 | print_overflow_msg(__func__, xdr); |
| 3058 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3059 | } |
| 3060 | |
| 3061 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
| 3062 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3063 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3064 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3065 | |
| 3066 | *fileid = 0; |
| 3067 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) |
| 3068 | return -EIO; |
| 3069 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3070 | p = xdr_inline_decode(xdr, 8); |
| 3071 | if (unlikely(!p)) |
| 3072 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3073 | xdr_decode_hyper(p, fileid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3074 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3075 | ret = NFS_ATTR_FATTR_FILEID; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3076 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3077 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3078 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3079 | out_overflow: |
| 3080 | print_overflow_msg(__func__, xdr); |
| 3081 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3082 | } |
| 3083 | |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 3084 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
| 3085 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3086 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3087 | int ret = 0; |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 3088 | |
| 3089 | *fileid = 0; |
| 3090 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) |
| 3091 | return -EIO; |
| 3092 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3093 | p = xdr_inline_decode(xdr, 8); |
| 3094 | if (unlikely(!p)) |
| 3095 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3096 | xdr_decode_hyper(p, fileid); |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 3097 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3098 | ret = NFS_ATTR_FATTR_FILEID; |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 3099 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3100 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3101 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3102 | out_overflow: |
| 3103 | print_overflow_msg(__func__, xdr); |
| 3104 | return -EIO; |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 3105 | } |
| 3106 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3107 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 3108 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3109 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3110 | int status = 0; |
| 3111 | |
| 3112 | *res = 0; |
| 3113 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) |
| 3114 | return -EIO; |
| 3115 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3116 | p = xdr_inline_decode(xdr, 8); |
| 3117 | if (unlikely(!p)) |
| 3118 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3119 | xdr_decode_hyper(p, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3120 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
| 3121 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3122 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3123 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3124 | out_overflow: |
| 3125 | print_overflow_msg(__func__, xdr); |
| 3126 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3127 | } |
| 3128 | |
| 3129 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 3130 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3131 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3132 | int status = 0; |
| 3133 | |
| 3134 | *res = 0; |
| 3135 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) |
| 3136 | return -EIO; |
| 3137 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3138 | p = xdr_inline_decode(xdr, 8); |
| 3139 | if (unlikely(!p)) |
| 3140 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3141 | xdr_decode_hyper(p, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3142 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
| 3143 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3144 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3145 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3146 | out_overflow: |
| 3147 | print_overflow_msg(__func__, xdr); |
| 3148 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3149 | } |
| 3150 | |
| 3151 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 3152 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3153 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3154 | int status = 0; |
| 3155 | |
| 3156 | *res = 0; |
| 3157 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) |
| 3158 | return -EIO; |
| 3159 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3160 | p = xdr_inline_decode(xdr, 8); |
| 3161 | if (unlikely(!p)) |
| 3162 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3163 | xdr_decode_hyper(p, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3164 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
| 3165 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3166 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3167 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3168 | out_overflow: |
| 3169 | print_overflow_msg(__func__, xdr); |
| 3170 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3171 | } |
| 3172 | |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3173 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
| 3174 | { |
Chuck Lever | 464ad6b | 2007-10-26 13:32:08 -0400 | [diff] [blame] | 3175 | u32 n; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3176 | __be32 *p; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3177 | int status = 0; |
| 3178 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3179 | p = xdr_inline_decode(xdr, 4); |
| 3180 | if (unlikely(!p)) |
| 3181 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3182 | n = be32_to_cpup(p); |
Andy Adamson | 33a43f2 | 2006-06-09 09:34:30 -0400 | [diff] [blame] | 3183 | if (n == 0) |
| 3184 | goto root_path; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3185 | dprintk("path "); |
| 3186 | path->ncomponents = 0; |
| 3187 | while (path->ncomponents < n) { |
| 3188 | struct nfs4_string *component = &path->components[path->ncomponents]; |
| 3189 | status = decode_opaque_inline(xdr, &component->len, &component->data); |
| 3190 | if (unlikely(status != 0)) |
| 3191 | goto out_eio; |
| 3192 | if (path->ncomponents != n) |
| 3193 | dprintk("/"); |
| 3194 | dprintk("%s", component->data); |
| 3195 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) |
| 3196 | path->ncomponents++; |
| 3197 | else { |
| 3198 | dprintk("cannot parse %d components in path\n", n); |
| 3199 | goto out_eio; |
| 3200 | } |
| 3201 | } |
| 3202 | out: |
| 3203 | dprintk("\n"); |
| 3204 | return status; |
Andy Adamson | 33a43f2 | 2006-06-09 09:34:30 -0400 | [diff] [blame] | 3205 | root_path: |
| 3206 | /* a root pathname is sent as a zero component4 */ |
| 3207 | path->ncomponents = 1; |
| 3208 | path->components[0].len=0; |
| 3209 | path->components[0].data=NULL; |
| 3210 | dprintk("path /\n"); |
| 3211 | goto out; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3212 | out_eio: |
| 3213 | dprintk(" status %d", status); |
| 3214 | status = -EIO; |
| 3215 | goto out; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3216 | out_overflow: |
| 3217 | print_overflow_msg(__func__, xdr); |
| 3218 | return -EIO; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3219 | } |
| 3220 | |
| 3221 | 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] | 3222 | { |
| 3223 | int n; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3224 | __be32 *p; |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3225 | int status = -EIO; |
| 3226 | |
| 3227 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) |
| 3228 | goto out; |
| 3229 | status = 0; |
| 3230 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) |
| 3231 | goto out; |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3232 | dprintk("%s: fsroot ", __func__); |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3233 | status = decode_pathname(xdr, &res->fs_path); |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3234 | if (unlikely(status != 0)) |
| 3235 | goto out; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3236 | p = xdr_inline_decode(xdr, 4); |
| 3237 | if (unlikely(!p)) |
| 3238 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3239 | n = be32_to_cpup(p); |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3240 | if (n <= 0) |
| 3241 | goto out_eio; |
| 3242 | res->nlocations = 0; |
| 3243 | while (res->nlocations < n) { |
Chuck Lever | 464ad6b | 2007-10-26 13:32:08 -0400 | [diff] [blame] | 3244 | u32 m; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3245 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3246 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3247 | p = xdr_inline_decode(xdr, 4); |
| 3248 | if (unlikely(!p)) |
| 3249 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3250 | m = be32_to_cpup(p); |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3251 | |
| 3252 | loc->nservers = 0; |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3253 | dprintk("%s: servers ", __func__); |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3254 | while (loc->nservers < m) { |
| 3255 | struct nfs4_string *server = &loc->servers[loc->nservers]; |
| 3256 | status = decode_opaque_inline(xdr, &server->len, &server->data); |
| 3257 | if (unlikely(status != 0)) |
| 3258 | goto out_eio; |
| 3259 | dprintk("%s ", server->data); |
| 3260 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) |
| 3261 | loc->nservers++; |
| 3262 | else { |
Chuck Lever | 464ad6b | 2007-10-26 13:32:08 -0400 | [diff] [blame] | 3263 | unsigned int i; |
| 3264 | dprintk("%s: using first %u of %u servers " |
| 3265 | "returned for location %u\n", |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3266 | __func__, |
Chuck Lever | 464ad6b | 2007-10-26 13:32:08 -0400 | [diff] [blame] | 3267 | NFS4_FS_LOCATION_MAXSERVERS, |
| 3268 | m, res->nlocations); |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3269 | for (i = loc->nservers; i < m; i++) { |
Trond Myklebust | 2e42c3e | 2007-05-14 17:20:41 -0400 | [diff] [blame] | 3270 | unsigned int len; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3271 | char *data; |
| 3272 | status = decode_opaque_inline(xdr, &len, &data); |
| 3273 | if (unlikely(status != 0)) |
| 3274 | goto out_eio; |
| 3275 | } |
| 3276 | } |
| 3277 | } |
| 3278 | status = decode_pathname(xdr, &loc->rootpath); |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3279 | if (unlikely(status != 0)) |
| 3280 | goto out_eio; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3281 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3282 | res->nlocations++; |
| 3283 | } |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3284 | if (res->nlocations != 0) |
| 3285 | status = NFS_ATTR_FATTR_V4_REFERRAL; |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3286 | out: |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3287 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3288 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3289 | out_overflow: |
| 3290 | print_overflow_msg(__func__, xdr); |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3291 | out_eio: |
| 3292 | status = -EIO; |
| 3293 | goto out; |
| 3294 | } |
| 3295 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3296 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 3297 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3298 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3299 | int status = 0; |
| 3300 | |
| 3301 | *res = 0; |
| 3302 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) |
| 3303 | return -EIO; |
| 3304 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3305 | p = xdr_inline_decode(xdr, 8); |
| 3306 | if (unlikely(!p)) |
| 3307 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3308 | xdr_decode_hyper(p, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3309 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
| 3310 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3311 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3312 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3313 | out_overflow: |
| 3314 | print_overflow_msg(__func__, xdr); |
| 3315 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3316 | } |
| 3317 | |
| 3318 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) |
| 3319 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3320 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3321 | int status = 0; |
| 3322 | |
| 3323 | *maxlink = 1; |
| 3324 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) |
| 3325 | return -EIO; |
| 3326 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3327 | p = xdr_inline_decode(xdr, 4); |
| 3328 | if (unlikely(!p)) |
| 3329 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3330 | *maxlink = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3331 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
| 3332 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3333 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3334 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3335 | out_overflow: |
| 3336 | print_overflow_msg(__func__, xdr); |
| 3337 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3338 | } |
| 3339 | |
| 3340 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) |
| 3341 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3342 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3343 | int status = 0; |
| 3344 | |
| 3345 | *maxname = 1024; |
| 3346 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) |
| 3347 | return -EIO; |
| 3348 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3349 | p = xdr_inline_decode(xdr, 4); |
| 3350 | if (unlikely(!p)) |
| 3351 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3352 | *maxname = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3353 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
| 3354 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3355 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3356 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3357 | out_overflow: |
| 3358 | print_overflow_msg(__func__, xdr); |
| 3359 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3360 | } |
| 3361 | |
| 3362 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 3363 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3364 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3365 | int status = 0; |
| 3366 | |
| 3367 | *res = 1024; |
| 3368 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) |
| 3369 | return -EIO; |
| 3370 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { |
| 3371 | uint64_t maxread; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3372 | p = xdr_inline_decode(xdr, 8); |
| 3373 | if (unlikely(!p)) |
| 3374 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3375 | xdr_decode_hyper(p, &maxread); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3376 | if (maxread > 0x7FFFFFFF) |
| 3377 | maxread = 0x7FFFFFFF; |
| 3378 | *res = (uint32_t)maxread; |
| 3379 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; |
| 3380 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3381 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3382 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3383 | out_overflow: |
| 3384 | print_overflow_msg(__func__, xdr); |
| 3385 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3386 | } |
| 3387 | |
| 3388 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 3389 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3390 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3391 | int status = 0; |
| 3392 | |
| 3393 | *res = 1024; |
| 3394 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) |
| 3395 | return -EIO; |
| 3396 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { |
| 3397 | uint64_t maxwrite; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3398 | p = xdr_inline_decode(xdr, 8); |
| 3399 | if (unlikely(!p)) |
| 3400 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3401 | xdr_decode_hyper(p, &maxwrite); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3402 | if (maxwrite > 0x7FFFFFFF) |
| 3403 | maxwrite = 0x7FFFFFFF; |
| 3404 | *res = (uint32_t)maxwrite; |
| 3405 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; |
| 3406 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3407 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3408 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3409 | out_overflow: |
| 3410 | print_overflow_msg(__func__, xdr); |
| 3411 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3412 | } |
| 3413 | |
Trond Myklebust | bca7947 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 3414 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3415 | { |
Trond Myklebust | bca7947 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 3416 | uint32_t tmp; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3417 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3418 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3419 | |
| 3420 | *mode = 0; |
| 3421 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) |
| 3422 | return -EIO; |
| 3423 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3424 | p = xdr_inline_decode(xdr, 4); |
| 3425 | if (unlikely(!p)) |
| 3426 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3427 | tmp = be32_to_cpup(p); |
Trond Myklebust | bca7947 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 3428 | *mode = tmp & ~S_IFMT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3429 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3430 | ret = NFS_ATTR_FATTR_MODE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3431 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3432 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3433 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3434 | out_overflow: |
| 3435 | print_overflow_msg(__func__, xdr); |
| 3436 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3437 | } |
| 3438 | |
| 3439 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) |
| 3440 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3441 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3442 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3443 | |
| 3444 | *nlink = 1; |
| 3445 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) |
| 3446 | return -EIO; |
| 3447 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3448 | p = xdr_inline_decode(xdr, 4); |
| 3449 | if (unlikely(!p)) |
| 3450 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3451 | *nlink = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3452 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3453 | ret = NFS_ATTR_FATTR_NLINK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3454 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3455 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3456 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3457 | out_overflow: |
| 3458 | print_overflow_msg(__func__, xdr); |
| 3459 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3460 | } |
| 3461 | |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 3462 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
| 3463 | struct nfs_client *clp, uint32_t *uid, int may_sleep) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3464 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3465 | uint32_t len; |
| 3466 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3467 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3468 | |
| 3469 | *uid = -2; |
| 3470 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) |
| 3471 | return -EIO; |
| 3472 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3473 | p = xdr_inline_decode(xdr, 4); |
| 3474 | if (unlikely(!p)) |
| 3475 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3476 | len = be32_to_cpup(p); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3477 | p = xdr_inline_decode(xdr, len); |
| 3478 | if (unlikely(!p)) |
| 3479 | goto out_overflow; |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 3480 | if (!may_sleep) { |
| 3481 | /* do nothing */ |
| 3482 | } else if (len < XDR_MAX_NETOBJ) { |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3483 | if (nfs_map_name_to_uid(clp, (char *)p, len, uid) == 0) |
| 3484 | ret = NFS_ATTR_FATTR_OWNER; |
| 3485 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3486 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3487 | __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3488 | } else |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 3489 | dprintk("%s: name too long (%u)!\n", |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3490 | __func__, len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3491 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
| 3492 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3493 | dprintk("%s: uid=%d\n", __func__, (int)*uid); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3494 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3495 | out_overflow: |
| 3496 | print_overflow_msg(__func__, xdr); |
| 3497 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3498 | } |
| 3499 | |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 3500 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
| 3501 | struct nfs_client *clp, uint32_t *gid, int may_sleep) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3502 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3503 | uint32_t len; |
| 3504 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3505 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3506 | |
| 3507 | *gid = -2; |
| 3508 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) |
| 3509 | return -EIO; |
| 3510 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3511 | p = xdr_inline_decode(xdr, 4); |
| 3512 | if (unlikely(!p)) |
| 3513 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3514 | len = be32_to_cpup(p); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3515 | p = xdr_inline_decode(xdr, len); |
| 3516 | if (unlikely(!p)) |
| 3517 | goto out_overflow; |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 3518 | if (!may_sleep) { |
| 3519 | /* do nothing */ |
| 3520 | } else if (len < XDR_MAX_NETOBJ) { |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3521 | if (nfs_map_group_to_gid(clp, (char *)p, len, gid) == 0) |
| 3522 | ret = NFS_ATTR_FATTR_GROUP; |
| 3523 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3524 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3525 | __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3526 | } else |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 3527 | dprintk("%s: name too long (%u)!\n", |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3528 | __func__, len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3529 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
| 3530 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3531 | dprintk("%s: gid=%d\n", __func__, (int)*gid); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3532 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3533 | out_overflow: |
| 3534 | print_overflow_msg(__func__, xdr); |
| 3535 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3536 | } |
| 3537 | |
| 3538 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) |
| 3539 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3540 | uint32_t major = 0, minor = 0; |
| 3541 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3542 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3543 | |
| 3544 | *rdev = MKDEV(0,0); |
| 3545 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) |
| 3546 | return -EIO; |
| 3547 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { |
| 3548 | dev_t tmp; |
| 3549 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3550 | p = xdr_inline_decode(xdr, 8); |
| 3551 | if (unlikely(!p)) |
| 3552 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 3553 | major = be32_to_cpup(p++); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3554 | minor = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3555 | tmp = MKDEV(major, minor); |
| 3556 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) |
| 3557 | *rdev = tmp; |
| 3558 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3559 | ret = NFS_ATTR_FATTR_RDEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3560 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3561 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3562 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3563 | out_overflow: |
| 3564 | print_overflow_msg(__func__, xdr); |
| 3565 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3566 | } |
| 3567 | |
| 3568 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 3569 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3570 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3571 | int status = 0; |
| 3572 | |
| 3573 | *res = 0; |
| 3574 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) |
| 3575 | return -EIO; |
| 3576 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3577 | p = xdr_inline_decode(xdr, 8); |
| 3578 | if (unlikely(!p)) |
| 3579 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3580 | xdr_decode_hyper(p, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3581 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
| 3582 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3583 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3584 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3585 | out_overflow: |
| 3586 | print_overflow_msg(__func__, xdr); |
| 3587 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3588 | } |
| 3589 | |
| 3590 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 3591 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3592 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3593 | int status = 0; |
| 3594 | |
| 3595 | *res = 0; |
| 3596 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) |
| 3597 | return -EIO; |
| 3598 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3599 | p = xdr_inline_decode(xdr, 8); |
| 3600 | if (unlikely(!p)) |
| 3601 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3602 | xdr_decode_hyper(p, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3603 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
| 3604 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3605 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3606 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3607 | out_overflow: |
| 3608 | print_overflow_msg(__func__, xdr); |
| 3609 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3610 | } |
| 3611 | |
| 3612 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 3613 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3614 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3615 | int status = 0; |
| 3616 | |
| 3617 | *res = 0; |
| 3618 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) |
| 3619 | return -EIO; |
| 3620 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3621 | p = xdr_inline_decode(xdr, 8); |
| 3622 | if (unlikely(!p)) |
| 3623 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3624 | xdr_decode_hyper(p, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3625 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
| 3626 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3627 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3628 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3629 | out_overflow: |
| 3630 | print_overflow_msg(__func__, xdr); |
| 3631 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3632 | } |
| 3633 | |
| 3634 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) |
| 3635 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3636 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3637 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3638 | |
| 3639 | *used = 0; |
| 3640 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) |
| 3641 | return -EIO; |
| 3642 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3643 | p = xdr_inline_decode(xdr, 8); |
| 3644 | if (unlikely(!p)) |
| 3645 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3646 | xdr_decode_hyper(p, used); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3647 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3648 | ret = NFS_ATTR_FATTR_SPACE_USED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3649 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3650 | dprintk("%s: space used=%Lu\n", __func__, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3651 | (unsigned long long)*used); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3652 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3653 | out_overflow: |
| 3654 | print_overflow_msg(__func__, xdr); |
| 3655 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3656 | } |
| 3657 | |
| 3658 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) |
| 3659 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3660 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3661 | uint64_t sec; |
| 3662 | uint32_t nsec; |
| 3663 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3664 | p = xdr_inline_decode(xdr, 12); |
| 3665 | if (unlikely(!p)) |
| 3666 | goto out_overflow; |
Benny Halevy | 3ceb4db | 2009-08-14 17:19:41 +0300 | [diff] [blame] | 3667 | p = xdr_decode_hyper(p, &sec); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3668 | nsec = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3669 | time->tv_sec = (time_t)sec; |
| 3670 | time->tv_nsec = (long)nsec; |
| 3671 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3672 | out_overflow: |
| 3673 | print_overflow_msg(__func__, xdr); |
| 3674 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3675 | } |
| 3676 | |
| 3677 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
| 3678 | { |
| 3679 | int status = 0; |
| 3680 | |
| 3681 | time->tv_sec = 0; |
| 3682 | time->tv_nsec = 0; |
| 3683 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) |
| 3684 | return -EIO; |
| 3685 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { |
| 3686 | status = decode_attr_time(xdr, time); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3687 | if (status == 0) |
| 3688 | status = NFS_ATTR_FATTR_ATIME; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3689 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
| 3690 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3691 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3692 | return status; |
| 3693 | } |
| 3694 | |
| 3695 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
| 3696 | { |
| 3697 | int status = 0; |
| 3698 | |
| 3699 | time->tv_sec = 0; |
| 3700 | time->tv_nsec = 0; |
| 3701 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) |
| 3702 | return -EIO; |
| 3703 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { |
| 3704 | status = decode_attr_time(xdr, time); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3705 | if (status == 0) |
| 3706 | status = NFS_ATTR_FATTR_CTIME; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3707 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
| 3708 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3709 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3710 | return status; |
| 3711 | } |
| 3712 | |
Ricardo Labiaga | 55b6e77 | 2010-10-12 16:30:06 -0700 | [diff] [blame] | 3713 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
| 3714 | struct timespec *time) |
| 3715 | { |
| 3716 | int status = 0; |
| 3717 | |
| 3718 | time->tv_sec = 0; |
| 3719 | time->tv_nsec = 0; |
| 3720 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) |
| 3721 | return -EIO; |
| 3722 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { |
| 3723 | status = decode_attr_time(xdr, time); |
| 3724 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; |
| 3725 | } |
| 3726 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, |
| 3727 | (long)time->tv_nsec); |
| 3728 | return status; |
| 3729 | } |
| 3730 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3731 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
| 3732 | { |
| 3733 | int status = 0; |
| 3734 | |
| 3735 | time->tv_sec = 0; |
| 3736 | time->tv_nsec = 0; |
| 3737 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) |
| 3738 | return -EIO; |
| 3739 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { |
| 3740 | status = decode_attr_time(xdr, time); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3741 | if (status == 0) |
| 3742 | status = NFS_ATTR_FATTR_MTIME; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3743 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
| 3744 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3745 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3746 | return status; |
| 3747 | } |
| 3748 | |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3749 | 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] | 3750 | { |
| 3751 | unsigned int attrwords = XDR_QUADLEN(attrlen); |
| 3752 | unsigned int nwords = xdr->p - savep; |
| 3753 | |
| 3754 | if (unlikely(attrwords != nwords)) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 3755 | dprintk("%s: server returned incorrect attribute length: " |
| 3756 | "%u %c %u\n", |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3757 | __func__, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3758 | attrwords << 2, |
| 3759 | (attrwords < nwords) ? '<' : '>', |
| 3760 | nwords << 2); |
| 3761 | return -EIO; |
| 3762 | } |
| 3763 | return 0; |
| 3764 | } |
| 3765 | |
| 3766 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) |
| 3767 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3768 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3769 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3770 | p = xdr_inline_decode(xdr, 20); |
| 3771 | if (unlikely(!p)) |
| 3772 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 3773 | cinfo->atomic = be32_to_cpup(p++); |
Benny Halevy | 3ceb4db | 2009-08-14 17:19:41 +0300 | [diff] [blame] | 3774 | p = xdr_decode_hyper(p, &cinfo->before); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3775 | xdr_decode_hyper(p, &cinfo->after); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3776 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3777 | out_overflow: |
| 3778 | print_overflow_msg(__func__, xdr); |
| 3779 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3780 | } |
| 3781 | |
| 3782 | static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) |
| 3783 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3784 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3785 | uint32_t supp, acc; |
| 3786 | int status; |
| 3787 | |
| 3788 | status = decode_op_hdr(xdr, OP_ACCESS); |
| 3789 | if (status) |
| 3790 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3791 | p = xdr_inline_decode(xdr, 8); |
| 3792 | if (unlikely(!p)) |
| 3793 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 3794 | supp = be32_to_cpup(p++); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3795 | acc = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3796 | access->supported = supp; |
| 3797 | access->access = acc; |
| 3798 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3799 | out_overflow: |
| 3800 | print_overflow_msg(__func__, xdr); |
| 3801 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3802 | } |
| 3803 | |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 3804 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3805 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3806 | __be32 *p; |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 3807 | |
| 3808 | p = xdr_inline_decode(xdr, len); |
| 3809 | if (likely(p)) { |
| 3810 | memcpy(buf, p, len); |
| 3811 | return 0; |
| 3812 | } |
| 3813 | print_overflow_msg(__func__, xdr); |
| 3814 | return -EIO; |
| 3815 | } |
| 3816 | |
| 3817 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) |
| 3818 | { |
| 3819 | return decode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3820 | } |
| 3821 | |
| 3822 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) |
| 3823 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3824 | int status; |
| 3825 | |
| 3826 | status = decode_op_hdr(xdr, OP_CLOSE); |
Trond Myklebust | c1d5193 | 2008-04-07 13:20:54 -0400 | [diff] [blame] | 3827 | if (status != -EIO) |
| 3828 | nfs_increment_open_seqid(status, res->seqid); |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 3829 | if (!status) |
| 3830 | status = decode_stateid(xdr, &res->stateid); |
| 3831 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3832 | } |
| 3833 | |
Benny Halevy | db942bb | 2009-08-14 17:19:56 +0300 | [diff] [blame] | 3834 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
| 3835 | { |
| 3836 | return decode_opaque_fixed(xdr, verifier, 8); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3837 | } |
| 3838 | |
| 3839 | static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res) |
| 3840 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3841 | int status; |
| 3842 | |
| 3843 | status = decode_op_hdr(xdr, OP_COMMIT); |
Benny Halevy | db942bb | 2009-08-14 17:19:56 +0300 | [diff] [blame] | 3844 | if (!status) |
| 3845 | status = decode_verifier(xdr, res->verf->verifier); |
| 3846 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3847 | } |
| 3848 | |
| 3849 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) |
| 3850 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3851 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3852 | uint32_t bmlen; |
| 3853 | int status; |
| 3854 | |
| 3855 | status = decode_op_hdr(xdr, OP_CREATE); |
| 3856 | if (status) |
| 3857 | return status; |
| 3858 | if ((status = decode_change_info(xdr, cinfo))) |
| 3859 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3860 | p = xdr_inline_decode(xdr, 4); |
| 3861 | if (unlikely(!p)) |
| 3862 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3863 | bmlen = be32_to_cpup(p); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3864 | p = xdr_inline_decode(xdr, bmlen << 2); |
| 3865 | if (likely(p)) |
| 3866 | return 0; |
| 3867 | out_overflow: |
| 3868 | print_overflow_msg(__func__, xdr); |
| 3869 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3870 | } |
| 3871 | |
| 3872 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) |
| 3873 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3874 | __be32 *savep; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 3875 | uint32_t attrlen, bitmap[2] = {0}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3876 | int status; |
| 3877 | |
| 3878 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
| 3879 | goto xdr_error; |
| 3880 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
| 3881 | goto xdr_error; |
| 3882 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) |
| 3883 | goto xdr_error; |
| 3884 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) |
| 3885 | goto xdr_error; |
| 3886 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
| 3887 | goto xdr_error; |
| 3888 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) |
| 3889 | goto xdr_error; |
| 3890 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) |
| 3891 | goto xdr_error; |
| 3892 | status = verify_attr_len(xdr, savep, attrlen); |
| 3893 | xdr_error: |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3894 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3895 | return status; |
| 3896 | } |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 3897 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3898 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
| 3899 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3900 | __be32 *savep; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 3901 | uint32_t attrlen, bitmap[2] = {0}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3902 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 3903 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3904 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
| 3905 | goto xdr_error; |
| 3906 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
| 3907 | goto xdr_error; |
| 3908 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) |
| 3909 | goto xdr_error; |
| 3910 | |
| 3911 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) |
| 3912 | goto xdr_error; |
| 3913 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) |
| 3914 | goto xdr_error; |
| 3915 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) |
| 3916 | goto xdr_error; |
| 3917 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) |
| 3918 | goto xdr_error; |
| 3919 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) |
| 3920 | goto xdr_error; |
| 3921 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) |
| 3922 | goto xdr_error; |
| 3923 | |
| 3924 | status = verify_attr_len(xdr, savep, attrlen); |
| 3925 | xdr_error: |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3926 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3927 | return status; |
| 3928 | } |
| 3929 | |
| 3930 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) |
| 3931 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3932 | __be32 *savep; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 3933 | uint32_t attrlen, bitmap[2] = {0}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3934 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 3935 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3936 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
| 3937 | goto xdr_error; |
| 3938 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
| 3939 | goto xdr_error; |
| 3940 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) |
| 3941 | goto xdr_error; |
| 3942 | |
| 3943 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) |
| 3944 | goto xdr_error; |
| 3945 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) |
| 3946 | goto xdr_error; |
| 3947 | |
| 3948 | status = verify_attr_len(xdr, savep, attrlen); |
| 3949 | xdr_error: |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3950 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3951 | return status; |
| 3952 | } |
| 3953 | |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 3954 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
| 3955 | struct nfs_fattr *fattr, struct nfs_fh *fh, |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 3956 | const struct nfs_server *server, int may_sleep) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3957 | { |
Trond Myklebust | bca7947 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 3958 | int status; |
| 3959 | umode_t fmode = 0; |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 3960 | uint64_t fileid; |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 3961 | uint32_t type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3962 | |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 3963 | status = decode_attr_type(xdr, bitmap, &type); |
| 3964 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3965 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3966 | fattr->mode = 0; |
| 3967 | if (status != 0) { |
| 3968 | fattr->mode |= nfs_type2fmt[type]; |
| 3969 | fattr->valid |= status; |
| 3970 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3971 | |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 3972 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
| 3973 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3974 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3975 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 3976 | |
| 3977 | status = decode_attr_size(xdr, bitmap, &fattr->size); |
| 3978 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3979 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3980 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 3981 | |
| 3982 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); |
| 3983 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3984 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3985 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 3986 | |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 3987 | status = decode_attr_error(xdr, bitmap); |
| 3988 | if (status < 0) |
| 3989 | goto xdr_error; |
| 3990 | |
| 3991 | status = decode_attr_filehandle(xdr, bitmap, fh); |
| 3992 | if (status < 0) |
| 3993 | goto xdr_error; |
| 3994 | |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 3995 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
| 3996 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3997 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3998 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 3999 | |
| 4000 | status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr, |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 4001 | struct nfs4_fs_locations, |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4002 | fattr)); |
| 4003 | if (status < 0) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 4004 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4005 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4006 | |
| 4007 | status = decode_attr_mode(xdr, bitmap, &fmode); |
| 4008 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4009 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4010 | if (status != 0) { |
| 4011 | fattr->mode |= fmode; |
| 4012 | fattr->valid |= status; |
| 4013 | } |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4014 | |
| 4015 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); |
| 4016 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4017 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4018 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4019 | |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 4020 | status = decode_attr_owner(xdr, bitmap, server->nfs_client, |
| 4021 | &fattr->uid, may_sleep); |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4022 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4023 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4024 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4025 | |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 4026 | status = decode_attr_group(xdr, bitmap, server->nfs_client, |
| 4027 | &fattr->gid, may_sleep); |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4028 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4029 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4030 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4031 | |
| 4032 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); |
| 4033 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4034 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4035 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4036 | |
| 4037 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); |
| 4038 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4039 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4040 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4041 | |
| 4042 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); |
| 4043 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4044 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4045 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4046 | |
| 4047 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); |
| 4048 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4049 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4050 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4051 | |
| 4052 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); |
| 4053 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4054 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4055 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4056 | |
| 4057 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid); |
| 4058 | if (status < 0) |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 4059 | goto xdr_error; |
Trond Myklebust | 3201f3d | 2010-10-23 15:43:10 -0400 | [diff] [blame] | 4060 | if (status != 0 && !(fattr->valid & status)) { |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 4061 | fattr->fileid = fileid; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4062 | fattr->valid |= status; |
| 4063 | } |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4064 | |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 4065 | xdr_error: |
| 4066 | dprintk("%s: xdr returned %d\n", __func__, -status); |
| 4067 | return status; |
| 4068 | } |
| 4069 | |
| 4070 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
| 4071 | struct nfs_fh *fh, const struct nfs_server *server, int may_sleep) |
| 4072 | { |
| 4073 | __be32 *savep; |
| 4074 | uint32_t attrlen, |
| 4075 | bitmap[2] = {0}; |
| 4076 | int status; |
| 4077 | |
| 4078 | status = decode_op_hdr(xdr, OP_GETATTR); |
| 4079 | if (status < 0) |
| 4080 | goto xdr_error; |
| 4081 | |
| 4082 | status = decode_attr_bitmap(xdr, bitmap); |
| 4083 | if (status < 0) |
| 4084 | goto xdr_error; |
| 4085 | |
| 4086 | status = decode_attr_length(xdr, &attrlen, &savep); |
| 4087 | if (status < 0) |
| 4088 | goto xdr_error; |
| 4089 | |
| 4090 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, server, may_sleep); |
| 4091 | if (status < 0) |
| 4092 | goto xdr_error; |
| 4093 | |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4094 | status = verify_attr_len(xdr, savep, attrlen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4095 | xdr_error: |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 4096 | dprintk("%s: xdr returned %d\n", __func__, -status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4097 | return status; |
| 4098 | } |
| 4099 | |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 4100 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
| 4101 | const struct nfs_server *server, int may_sleep) |
| 4102 | { |
| 4103 | return decode_getfattr_generic(xdr, fattr, NULL, server, may_sleep); |
| 4104 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4105 | |
Andy Adamson | 504913f | 2010-10-20 00:17:57 -0400 | [diff] [blame] | 4106 | /* |
| 4107 | * Decode potentially multiple layout types. Currently we only support |
| 4108 | * one layout driver per file system. |
| 4109 | */ |
| 4110 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, |
| 4111 | uint32_t *layouttype) |
| 4112 | { |
| 4113 | uint32_t *p; |
| 4114 | int num; |
| 4115 | |
| 4116 | p = xdr_inline_decode(xdr, 4); |
| 4117 | if (unlikely(!p)) |
| 4118 | goto out_overflow; |
| 4119 | num = be32_to_cpup(p); |
| 4120 | |
| 4121 | /* pNFS is not supported by the underlying file system */ |
| 4122 | if (num == 0) { |
| 4123 | *layouttype = 0; |
| 4124 | return 0; |
| 4125 | } |
| 4126 | if (num > 1) |
| 4127 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout drivers " |
| 4128 | "per filesystem not supported\n", __func__); |
| 4129 | |
| 4130 | /* Decode and set first layout type, move xdr->p past unused types */ |
| 4131 | p = xdr_inline_decode(xdr, num * 4); |
| 4132 | if (unlikely(!p)) |
| 4133 | goto out_overflow; |
| 4134 | *layouttype = be32_to_cpup(p); |
| 4135 | return 0; |
| 4136 | out_overflow: |
| 4137 | print_overflow_msg(__func__, xdr); |
| 4138 | return -EIO; |
| 4139 | } |
| 4140 | |
| 4141 | /* |
| 4142 | * The type of file system exported. |
| 4143 | * Note we must ensure that layouttype is set in any non-error case. |
| 4144 | */ |
| 4145 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, |
| 4146 | uint32_t *layouttype) |
| 4147 | { |
| 4148 | int status = 0; |
| 4149 | |
| 4150 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); |
| 4151 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) |
| 4152 | return -EIO; |
| 4153 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { |
| 4154 | status = decode_first_pnfs_layout_type(xdr, layouttype); |
| 4155 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; |
| 4156 | } else |
| 4157 | *layouttype = 0; |
| 4158 | return status; |
| 4159 | } |
| 4160 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4161 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
| 4162 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4163 | __be32 *savep; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4164 | uint32_t attrlen, bitmap[2]; |
| 4165 | int status; |
| 4166 | |
| 4167 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
| 4168 | goto xdr_error; |
| 4169 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
| 4170 | goto xdr_error; |
| 4171 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) |
| 4172 | goto xdr_error; |
| 4173 | |
| 4174 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ |
| 4175 | |
| 4176 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) |
| 4177 | goto xdr_error; |
| 4178 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) |
| 4179 | goto xdr_error; |
| 4180 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) |
| 4181 | goto xdr_error; |
| 4182 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; |
| 4183 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) |
| 4184 | goto xdr_error; |
| 4185 | fsinfo->wtpref = fsinfo->wtmax; |
Ricardo Labiaga | 55b6e77 | 2010-10-12 16:30:06 -0700 | [diff] [blame] | 4186 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
| 4187 | if (status != 0) |
| 4188 | goto xdr_error; |
Andy Adamson | 504913f | 2010-10-20 00:17:57 -0400 | [diff] [blame] | 4189 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); |
| 4190 | if (status != 0) |
| 4191 | goto xdr_error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4192 | |
| 4193 | status = verify_attr_len(xdr, savep, attrlen); |
| 4194 | xdr_error: |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 4195 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4196 | return status; |
| 4197 | } |
| 4198 | |
| 4199 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) |
| 4200 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4201 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4202 | uint32_t len; |
| 4203 | int status; |
| 4204 | |
Trond Myklebust | 9936781 | 2007-07-17 21:52:41 -0400 | [diff] [blame] | 4205 | /* Zero handle first to allow comparisons */ |
| 4206 | memset(fh, 0, sizeof(*fh)); |
| 4207 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4208 | status = decode_op_hdr(xdr, OP_GETFH); |
| 4209 | if (status) |
| 4210 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4211 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4212 | p = xdr_inline_decode(xdr, 4); |
| 4213 | if (unlikely(!p)) |
| 4214 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4215 | len = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4216 | if (len > NFS4_FHSIZE) |
| 4217 | return -EIO; |
| 4218 | fh->size = len; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4219 | p = xdr_inline_decode(xdr, len); |
| 4220 | if (unlikely(!p)) |
| 4221 | goto out_overflow; |
Benny Halevy | 99398d0 | 2009-08-14 17:20:05 +0300 | [diff] [blame] | 4222 | memcpy(fh->data, p, len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4223 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4224 | out_overflow: |
| 4225 | print_overflow_msg(__func__, xdr); |
| 4226 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4227 | } |
| 4228 | |
| 4229 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) |
| 4230 | { |
| 4231 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4232 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4233 | status = decode_op_hdr(xdr, OP_LINK); |
| 4234 | if (status) |
| 4235 | return status; |
| 4236 | return decode_change_info(xdr, cinfo); |
| 4237 | } |
| 4238 | |
| 4239 | /* |
| 4240 | * We create the owner, so we know a proper owner.id length is 4. |
| 4241 | */ |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 4242 | 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] | 4243 | { |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 4244 | uint64_t offset, length, clientid; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4245 | __be32 *p; |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 4246 | uint32_t namelen, type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4247 | |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 4248 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4249 | if (unlikely(!p)) |
| 4250 | goto out_overflow; |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 4251 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
Benny Halevy | 3ceb4db | 2009-08-14 17:19:41 +0300 | [diff] [blame] | 4252 | p = xdr_decode_hyper(p, &length); |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 4253 | type = be32_to_cpup(p++); /* 4 byte read */ |
| 4254 | if (fl != NULL) { /* manipulate file lock */ |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 4255 | fl->fl_start = (loff_t)offset; |
| 4256 | fl->fl_end = fl->fl_start + (loff_t)length - 1; |
| 4257 | if (length == ~(uint64_t)0) |
| 4258 | fl->fl_end = OFFSET_MAX; |
| 4259 | fl->fl_type = F_WRLCK; |
| 4260 | if (type & 1) |
| 4261 | fl->fl_type = F_RDLCK; |
| 4262 | fl->fl_pid = 0; |
| 4263 | } |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 4264 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
| 4265 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ |
| 4266 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4267 | if (likely(p)) |
| 4268 | return -NFS4ERR_DENIED; |
| 4269 | out_overflow: |
| 4270 | print_overflow_msg(__func__, xdr); |
| 4271 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4272 | } |
| 4273 | |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 4274 | 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] | 4275 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4276 | int status; |
| 4277 | |
| 4278 | status = decode_op_hdr(xdr, OP_LOCK); |
Trond Myklebust | c1d5193 | 2008-04-07 13:20:54 -0400 | [diff] [blame] | 4279 | if (status == -EIO) |
| 4280 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4281 | if (status == 0) { |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 4282 | status = decode_stateid(xdr, &res->stateid); |
| 4283 | if (unlikely(status)) |
| 4284 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4285 | } else if (status == -NFS4ERR_DENIED) |
Trond Myklebust | c1d5193 | 2008-04-07 13:20:54 -0400 | [diff] [blame] | 4286 | status = decode_lock_denied(xdr, NULL); |
| 4287 | if (res->open_seqid != NULL) |
| 4288 | nfs_increment_open_seqid(status, res->open_seqid); |
| 4289 | nfs_increment_lock_seqid(status, res->lock_seqid); |
| 4290 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4291 | return status; |
| 4292 | } |
| 4293 | |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 4294 | 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] | 4295 | { |
| 4296 | int status; |
| 4297 | status = decode_op_hdr(xdr, OP_LOCKT); |
| 4298 | if (status == -NFS4ERR_DENIED) |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 4299 | return decode_lock_denied(xdr, res->denied); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4300 | return status; |
| 4301 | } |
| 4302 | |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 4303 | 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] | 4304 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4305 | int status; |
| 4306 | |
| 4307 | status = decode_op_hdr(xdr, OP_LOCKU); |
Trond Myklebust | c1d5193 | 2008-04-07 13:20:54 -0400 | [diff] [blame] | 4308 | if (status != -EIO) |
| 4309 | nfs_increment_lock_seqid(status, res->seqid); |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 4310 | if (status == 0) |
| 4311 | status = decode_stateid(xdr, &res->stateid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4312 | return status; |
| 4313 | } |
| 4314 | |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 4315 | static int decode_release_lockowner(struct xdr_stream *xdr) |
| 4316 | { |
| 4317 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); |
| 4318 | } |
| 4319 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4320 | static int decode_lookup(struct xdr_stream *xdr) |
| 4321 | { |
| 4322 | return decode_op_hdr(xdr, OP_LOOKUP); |
| 4323 | } |
| 4324 | |
| 4325 | /* This is too sick! */ |
| 4326 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) |
| 4327 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4328 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4329 | uint32_t limit_type, nblocks, blocksize; |
| 4330 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4331 | p = xdr_inline_decode(xdr, 12); |
| 4332 | if (unlikely(!p)) |
| 4333 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4334 | limit_type = be32_to_cpup(p++); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4335 | switch (limit_type) { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4336 | case 1: |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4337 | xdr_decode_hyper(p, maxsize); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4338 | break; |
| 4339 | case 2: |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4340 | nblocks = be32_to_cpup(p++); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4341 | blocksize = be32_to_cpup(p); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4342 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4343 | } |
| 4344 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4345 | out_overflow: |
| 4346 | print_overflow_msg(__func__, xdr); |
| 4347 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4348 | } |
| 4349 | |
| 4350 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) |
| 4351 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4352 | __be32 *p; |
| 4353 | uint32_t delegation_type; |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 4354 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4355 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4356 | p = xdr_inline_decode(xdr, 4); |
| 4357 | if (unlikely(!p)) |
| 4358 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4359 | delegation_type = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4360 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
| 4361 | res->delegation_type = 0; |
| 4362 | return 0; |
| 4363 | } |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 4364 | status = decode_stateid(xdr, &res->delegation); |
| 4365 | if (unlikely(status)) |
| 4366 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4367 | p = xdr_inline_decode(xdr, 4); |
| 4368 | if (unlikely(!p)) |
| 4369 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4370 | res->do_recall = be32_to_cpup(p); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4371 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4372 | switch (delegation_type) { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4373 | case NFS4_OPEN_DELEGATE_READ: |
| 4374 | res->delegation_type = FMODE_READ; |
| 4375 | break; |
| 4376 | case NFS4_OPEN_DELEGATE_WRITE: |
| 4377 | res->delegation_type = FMODE_WRITE|FMODE_READ; |
| 4378 | if (decode_space_limit(xdr, &res->maxsize) < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4379 | return -EIO; |
| 4380 | } |
David Howells | 7539bba | 2006-08-22 20:06:09 -0400 | [diff] [blame] | 4381 | return decode_ace(xdr, NULL, res->server->nfs_client); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4382 | out_overflow: |
| 4383 | print_overflow_msg(__func__, xdr); |
| 4384 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4385 | } |
| 4386 | |
| 4387 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) |
| 4388 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4389 | __be32 *p; |
Jeff Layton | aa53ed5 | 2007-06-05 14:49:03 -0400 | [diff] [blame] | 4390 | uint32_t savewords, bmlen, i; |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4391 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4392 | |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4393 | status = decode_op_hdr(xdr, OP_OPEN); |
Trond Myklebust | c1d5193 | 2008-04-07 13:20:54 -0400 | [diff] [blame] | 4394 | if (status != -EIO) |
| 4395 | nfs_increment_open_seqid(status, res->seqid); |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 4396 | if (!status) |
| 4397 | status = decode_stateid(xdr, &res->stateid); |
| 4398 | if (unlikely(status)) |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4399 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4400 | |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4401 | decode_change_info(xdr, &res->cinfo); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4402 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4403 | p = xdr_inline_decode(xdr, 8); |
| 4404 | if (unlikely(!p)) |
| 4405 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4406 | res->rflags = be32_to_cpup(p++); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4407 | bmlen = be32_to_cpup(p); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4408 | if (bmlen > 10) |
| 4409 | goto xdr_error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4410 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4411 | p = xdr_inline_decode(xdr, bmlen << 2); |
| 4412 | if (unlikely(!p)) |
| 4413 | goto out_overflow; |
Jeff Layton | aa53ed5 | 2007-06-05 14:49:03 -0400 | [diff] [blame] | 4414 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
| 4415 | for (i = 0; i < savewords; ++i) |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4416 | res->attrset[i] = be32_to_cpup(p++); |
Jeff Layton | aa53ed5 | 2007-06-05 14:49:03 -0400 | [diff] [blame] | 4417 | for (; i < NFS4_BITMAP_SIZE; i++) |
| 4418 | res->attrset[i] = 0; |
| 4419 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4420 | return decode_delegation(xdr, res); |
| 4421 | xdr_error: |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 4422 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4423 | return -EIO; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4424 | out_overflow: |
| 4425 | print_overflow_msg(__func__, xdr); |
| 4426 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4427 | } |
| 4428 | |
| 4429 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) |
| 4430 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4431 | int status; |
| 4432 | |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4433 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
Trond Myklebust | c1d5193 | 2008-04-07 13:20:54 -0400 | [diff] [blame] | 4434 | if (status != -EIO) |
| 4435 | nfs_increment_open_seqid(status, res->seqid); |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 4436 | if (!status) |
| 4437 | status = decode_stateid(xdr, &res->stateid); |
| 4438 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4439 | } |
| 4440 | |
| 4441 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) |
| 4442 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4443 | int status; |
| 4444 | |
| 4445 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); |
Trond Myklebust | c1d5193 | 2008-04-07 13:20:54 -0400 | [diff] [blame] | 4446 | if (status != -EIO) |
| 4447 | nfs_increment_open_seqid(status, res->seqid); |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 4448 | if (!status) |
| 4449 | status = decode_stateid(xdr, &res->stateid); |
| 4450 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4451 | } |
| 4452 | |
| 4453 | static int decode_putfh(struct xdr_stream *xdr) |
| 4454 | { |
| 4455 | return decode_op_hdr(xdr, OP_PUTFH); |
| 4456 | } |
| 4457 | |
| 4458 | static int decode_putrootfh(struct xdr_stream *xdr) |
| 4459 | { |
| 4460 | return decode_op_hdr(xdr, OP_PUTROOTFH); |
| 4461 | } |
| 4462 | |
| 4463 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) |
| 4464 | { |
| 4465 | struct kvec *iov = req->rq_rcv_buf.head; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4466 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4467 | uint32_t count, eof, recvd, hdrlen; |
| 4468 | int status; |
| 4469 | |
| 4470 | status = decode_op_hdr(xdr, OP_READ); |
| 4471 | if (status) |
| 4472 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4473 | p = xdr_inline_decode(xdr, 8); |
| 4474 | if (unlikely(!p)) |
| 4475 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4476 | eof = be32_to_cpup(p++); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4477 | count = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4478 | hdrlen = (u8 *) p - (u8 *) iov->iov_base; |
| 4479 | recvd = req->rq_rcv_buf.len - hdrlen; |
| 4480 | if (count > recvd) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 4481 | dprintk("NFS: server cheating in read reply: " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4482 | "count %u > recvd %u\n", count, recvd); |
| 4483 | count = recvd; |
| 4484 | eof = 0; |
| 4485 | } |
| 4486 | xdr_read_pages(xdr, count); |
| 4487 | res->eof = eof; |
| 4488 | res->count = count; |
| 4489 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4490 | out_overflow: |
| 4491 | print_overflow_msg(__func__, xdr); |
| 4492 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4493 | } |
| 4494 | |
| 4495 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) |
| 4496 | { |
| 4497 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4498 | struct kvec *iov = rcvbuf->head; |
Chuck Lever | bcecff7 | 2007-10-26 13:32:03 -0400 | [diff] [blame] | 4499 | size_t hdrlen; |
| 4500 | u32 recvd, pglen = rcvbuf->page_len; |
Chuck Lever | bcecff7 | 2007-10-26 13:32:03 -0400 | [diff] [blame] | 4501 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4502 | |
| 4503 | status = decode_op_hdr(xdr, OP_READDIR); |
Benny Halevy | db942bb | 2009-08-14 17:19:56 +0300 | [diff] [blame] | 4504 | if (!status) |
| 4505 | status = decode_verifier(xdr, readdir->verifier.data); |
| 4506 | if (unlikely(status)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4507 | return status; |
Fred Isaman | 4410924 | 2008-04-02 15:21:15 +0300 | [diff] [blame] | 4508 | dprintk("%s: verifier = %08x:%08x\n", |
| 4509 | __func__, |
Trond Myklebust | eadf459 | 2005-06-22 17:16:39 +0000 | [diff] [blame] | 4510 | ((u32 *)readdir->verifier.data)[0], |
| 4511 | ((u32 *)readdir->verifier.data)[1]); |
| 4512 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4513 | |
Benny Halevy | db942bb | 2009-08-14 17:19:56 +0300 | [diff] [blame] | 4514 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4515 | recvd = rcvbuf->len - hdrlen; |
| 4516 | if (pglen > recvd) |
| 4517 | pglen = recvd; |
| 4518 | xdr_read_pages(xdr, pglen); |
| 4519 | |
Jeff Layton | 7bda2cd | 2008-02-22 14:50:01 -0500 | [diff] [blame] | 4520 | |
Trond Myklebust | ac39612 | 2010-11-15 20:26:22 -0500 | [diff] [blame] | 4521 | return pglen; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4522 | } |
| 4523 | |
| 4524 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) |
| 4525 | { |
| 4526 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; |
| 4527 | struct kvec *iov = rcvbuf->head; |
Chuck Lever | bcecff7 | 2007-10-26 13:32:03 -0400 | [diff] [blame] | 4528 | size_t hdrlen; |
| 4529 | u32 len, recvd; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4530 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4531 | int status; |
| 4532 | |
| 4533 | status = decode_op_hdr(xdr, OP_READLINK); |
| 4534 | if (status) |
| 4535 | return status; |
| 4536 | |
| 4537 | /* Convert length of symlink */ |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4538 | p = xdr_inline_decode(xdr, 4); |
| 4539 | if (unlikely(!p)) |
| 4540 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4541 | len = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4542 | if (len >= rcvbuf->page_len || len <= 0) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 4543 | dprintk("nfs: server returned giant symlink!\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4544 | return -ENAMETOOLONG; |
| 4545 | } |
| 4546 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; |
| 4547 | recvd = req->rq_rcv_buf.len - hdrlen; |
| 4548 | if (recvd < len) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 4549 | dprintk("NFS: server cheating in readlink reply: " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4550 | "count %u > recvd %u\n", len, recvd); |
| 4551 | return -EIO; |
| 4552 | } |
| 4553 | xdr_read_pages(xdr, len); |
| 4554 | /* |
| 4555 | * The XDR encode routine has set things up so that |
| 4556 | * the link text will be copied directly into the |
| 4557 | * buffer. We just have to do overflow-checking, |
| 4558 | * and and null-terminate the text (the VFS expects |
| 4559 | * null-termination). |
| 4560 | */ |
Chuck Lever | b4687da | 2010-09-21 16:55:48 -0400 | [diff] [blame] | 4561 | xdr_terminate_string(rcvbuf, len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4562 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4563 | out_overflow: |
| 4564 | print_overflow_msg(__func__, xdr); |
| 4565 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4566 | } |
| 4567 | |
| 4568 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) |
| 4569 | { |
| 4570 | int status; |
| 4571 | |
| 4572 | status = decode_op_hdr(xdr, OP_REMOVE); |
| 4573 | if (status) |
| 4574 | goto out; |
| 4575 | status = decode_change_info(xdr, cinfo); |
| 4576 | out: |
| 4577 | return status; |
| 4578 | } |
| 4579 | |
| 4580 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, |
| 4581 | struct nfs4_change_info *new_cinfo) |
| 4582 | { |
| 4583 | int status; |
| 4584 | |
| 4585 | status = decode_op_hdr(xdr, OP_RENAME); |
| 4586 | if (status) |
| 4587 | goto out; |
| 4588 | if ((status = decode_change_info(xdr, old_cinfo))) |
| 4589 | goto out; |
| 4590 | status = decode_change_info(xdr, new_cinfo); |
| 4591 | out: |
| 4592 | return status; |
| 4593 | } |
| 4594 | |
| 4595 | static int decode_renew(struct xdr_stream *xdr) |
| 4596 | { |
| 4597 | return decode_op_hdr(xdr, OP_RENEW); |
| 4598 | } |
| 4599 | |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 4600 | static int |
| 4601 | decode_restorefh(struct xdr_stream *xdr) |
| 4602 | { |
| 4603 | return decode_op_hdr(xdr, OP_RESTOREFH); |
| 4604 | } |
| 4605 | |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 4606 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
| 4607 | size_t *acl_len) |
| 4608 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4609 | __be32 *savep; |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 4610 | uint32_t attrlen, |
| 4611 | bitmap[2] = {0}; |
| 4612 | struct kvec *iov = req->rq_rcv_buf.head; |
| 4613 | int status; |
| 4614 | |
| 4615 | *acl_len = 0; |
| 4616 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
| 4617 | goto out; |
| 4618 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
| 4619 | goto out; |
| 4620 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) |
| 4621 | goto out; |
| 4622 | |
| 4623 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) |
| 4624 | return -EIO; |
| 4625 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { |
Chuck Lever | bcecff7 | 2007-10-26 13:32:03 -0400 | [diff] [blame] | 4626 | size_t hdrlen; |
| 4627 | u32 recvd; |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 4628 | |
| 4629 | /* We ignore &savep and don't do consistency checks on |
| 4630 | * the attr length. Let userspace figure it out.... */ |
| 4631 | hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; |
| 4632 | recvd = req->rq_rcv_buf.len - hdrlen; |
| 4633 | if (attrlen > recvd) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 4634 | dprintk("NFS: server cheating in getattr" |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 4635 | " acl reply: attrlen %u > recvd %u\n", |
| 4636 | attrlen, recvd); |
| 4637 | return -EINVAL; |
| 4638 | } |
J. Bruce Fields | c04871e | 2006-05-30 16:28:58 -0400 | [diff] [blame] | 4639 | xdr_read_pages(xdr, attrlen); |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 4640 | *acl_len = attrlen; |
J. Bruce Fields | 8c233cf | 2005-10-13 16:54:27 -0400 | [diff] [blame] | 4641 | } else |
| 4642 | status = -EOPNOTSUPP; |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 4643 | |
| 4644 | out: |
| 4645 | return status; |
| 4646 | } |
| 4647 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4648 | static int |
| 4649 | decode_savefh(struct xdr_stream *xdr) |
| 4650 | { |
| 4651 | return decode_op_hdr(xdr, OP_SAVEFH); |
| 4652 | } |
| 4653 | |
Benny Halevy | 9e9ecc0 | 2009-04-01 09:22:00 -0400 | [diff] [blame] | 4654 | static int decode_setattr(struct xdr_stream *xdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4655 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4656 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4657 | uint32_t bmlen; |
| 4658 | int status; |
| 4659 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4660 | status = decode_op_hdr(xdr, OP_SETATTR); |
| 4661 | if (status) |
| 4662 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4663 | p = xdr_inline_decode(xdr, 4); |
| 4664 | if (unlikely(!p)) |
| 4665 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4666 | bmlen = be32_to_cpup(p); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4667 | p = xdr_inline_decode(xdr, bmlen << 2); |
| 4668 | if (likely(p)) |
| 4669 | return 0; |
| 4670 | out_overflow: |
| 4671 | print_overflow_msg(__func__, xdr); |
| 4672 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4673 | } |
| 4674 | |
Trond Myklebust | bb8b27e | 2010-04-16 16:43:06 -0400 | [diff] [blame] | 4675 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4676 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4677 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4678 | uint32_t opnum; |
| 4679 | int32_t nfserr; |
| 4680 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4681 | p = xdr_inline_decode(xdr, 8); |
| 4682 | if (unlikely(!p)) |
| 4683 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4684 | opnum = be32_to_cpup(p++); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4685 | if (opnum != OP_SETCLIENTID) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 4686 | dprintk("nfs: decode_setclientid: Server returned operation" |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4687 | " %d\n", opnum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4688 | return -EIO; |
| 4689 | } |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4690 | nfserr = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4691 | if (nfserr == NFS_OK) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4692 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
| 4693 | if (unlikely(!p)) |
| 4694 | goto out_overflow; |
Trond Myklebust | bb8b27e | 2010-04-16 16:43:06 -0400 | [diff] [blame] | 4695 | p = xdr_decode_hyper(p, &res->clientid); |
| 4696 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4697 | } else if (nfserr == NFSERR_CLID_INUSE) { |
| 4698 | uint32_t len; |
| 4699 | |
| 4700 | /* skip netid string */ |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4701 | p = xdr_inline_decode(xdr, 4); |
| 4702 | if (unlikely(!p)) |
| 4703 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4704 | len = be32_to_cpup(p); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4705 | p = xdr_inline_decode(xdr, len); |
| 4706 | if (unlikely(!p)) |
| 4707 | goto out_overflow; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4708 | |
| 4709 | /* skip uaddr string */ |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4710 | p = xdr_inline_decode(xdr, 4); |
| 4711 | if (unlikely(!p)) |
| 4712 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4713 | len = be32_to_cpup(p); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4714 | p = xdr_inline_decode(xdr, len); |
| 4715 | if (unlikely(!p)) |
| 4716 | goto out_overflow; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4717 | return -NFSERR_CLID_INUSE; |
| 4718 | } else |
Benny Halevy | 856dff3 | 2008-03-31 17:39:06 +0300 | [diff] [blame] | 4719 | return nfs4_stat_to_errno(nfserr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4720 | |
| 4721 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4722 | out_overflow: |
| 4723 | print_overflow_msg(__func__, xdr); |
| 4724 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4725 | } |
| 4726 | |
| 4727 | static int decode_setclientid_confirm(struct xdr_stream *xdr) |
| 4728 | { |
| 4729 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); |
| 4730 | } |
| 4731 | |
| 4732 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) |
| 4733 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4734 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4735 | int status; |
| 4736 | |
| 4737 | status = decode_op_hdr(xdr, OP_WRITE); |
| 4738 | if (status) |
| 4739 | return status; |
| 4740 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4741 | p = xdr_inline_decode(xdr, 16); |
| 4742 | if (unlikely(!p)) |
| 4743 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4744 | res->count = be32_to_cpup(p++); |
| 4745 | res->verf->committed = be32_to_cpup(p++); |
Benny Halevy | 99398d0 | 2009-08-14 17:20:05 +0300 | [diff] [blame] | 4746 | memcpy(res->verf->verifier, p, 8); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4747 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4748 | out_overflow: |
| 4749 | print_overflow_msg(__func__, xdr); |
| 4750 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4751 | } |
| 4752 | |
| 4753 | static int decode_delegreturn(struct xdr_stream *xdr) |
| 4754 | { |
| 4755 | return decode_op_hdr(xdr, OP_DELEGRETURN); |
| 4756 | } |
| 4757 | |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 4758 | #if defined(CONFIG_NFS_V4_1) |
| 4759 | static int decode_exchange_id(struct xdr_stream *xdr, |
| 4760 | struct nfs41_exchange_id_res *res) |
| 4761 | { |
| 4762 | __be32 *p; |
| 4763 | uint32_t dummy; |
Benny Halevy | 2460ba5 | 2009-08-14 17:20:10 +0300 | [diff] [blame] | 4764 | char *dummy_str; |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 4765 | int status; |
| 4766 | struct nfs_client *clp = res->client; |
| 4767 | |
| 4768 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); |
| 4769 | if (status) |
| 4770 | return status; |
| 4771 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4772 | p = xdr_inline_decode(xdr, 8); |
| 4773 | if (unlikely(!p)) |
| 4774 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4775 | xdr_decode_hyper(p, &clp->cl_ex_clid); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4776 | p = xdr_inline_decode(xdr, 12); |
| 4777 | if (unlikely(!p)) |
| 4778 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4779 | clp->cl_seqid = be32_to_cpup(p++); |
| 4780 | clp->cl_exchange_flags = be32_to_cpup(p++); |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 4781 | |
| 4782 | /* We ask for SP4_NONE */ |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4783 | dummy = be32_to_cpup(p); |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 4784 | if (dummy != SP4_NONE) |
| 4785 | return -EIO; |
| 4786 | |
| 4787 | /* Throw away minor_id */ |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4788 | p = xdr_inline_decode(xdr, 8); |
| 4789 | if (unlikely(!p)) |
| 4790 | goto out_overflow; |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 4791 | |
| 4792 | /* Throw away Major id */ |
Benny Halevy | 2460ba5 | 2009-08-14 17:20:10 +0300 | [diff] [blame] | 4793 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
| 4794 | if (unlikely(status)) |
| 4795 | return status; |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 4796 | |
| 4797 | /* Throw away server_scope */ |
Benny Halevy | 2460ba5 | 2009-08-14 17:20:10 +0300 | [diff] [blame] | 4798 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
| 4799 | if (unlikely(status)) |
| 4800 | return status; |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 4801 | |
| 4802 | /* Throw away Implementation id array */ |
Benny Halevy | 2460ba5 | 2009-08-14 17:20:10 +0300 | [diff] [blame] | 4803 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
| 4804 | if (unlikely(status)) |
| 4805 | return status; |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 4806 | |
| 4807 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4808 | out_overflow: |
| 4809 | print_overflow_msg(__func__, xdr); |
| 4810 | return -EIO; |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 4811 | } |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 4812 | |
| 4813 | static int decode_chan_attrs(struct xdr_stream *xdr, |
| 4814 | struct nfs4_channel_attrs *attrs) |
| 4815 | { |
| 4816 | __be32 *p; |
| 4817 | u32 nr_attrs; |
| 4818 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4819 | p = xdr_inline_decode(xdr, 28); |
| 4820 | if (unlikely(!p)) |
| 4821 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4822 | attrs->headerpadsz = be32_to_cpup(p++); |
| 4823 | attrs->max_rqst_sz = be32_to_cpup(p++); |
| 4824 | attrs->max_resp_sz = be32_to_cpup(p++); |
| 4825 | attrs->max_resp_sz_cached = be32_to_cpup(p++); |
| 4826 | attrs->max_ops = be32_to_cpup(p++); |
| 4827 | attrs->max_reqs = be32_to_cpup(p++); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4828 | nr_attrs = be32_to_cpup(p); |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 4829 | if (unlikely(nr_attrs > 1)) { |
| 4830 | printk(KERN_WARNING "%s: Invalid rdma channel attrs count %u\n", |
| 4831 | __func__, nr_attrs); |
| 4832 | return -EINVAL; |
| 4833 | } |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4834 | if (nr_attrs == 1) { |
| 4835 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ |
| 4836 | if (unlikely(!p)) |
| 4837 | goto out_overflow; |
| 4838 | } |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 4839 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4840 | out_overflow: |
| 4841 | print_overflow_msg(__func__, xdr); |
| 4842 | return -EIO; |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 4843 | } |
| 4844 | |
Benny Halevy | e78291e | 2009-08-14 17:20:00 +0300 | [diff] [blame] | 4845 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
| 4846 | { |
| 4847 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 4848 | } |
| 4849 | |
| 4850 | static int decode_create_session(struct xdr_stream *xdr, |
| 4851 | struct nfs41_create_session_res *res) |
| 4852 | { |
| 4853 | __be32 *p; |
| 4854 | int status; |
| 4855 | struct nfs_client *clp = res->client; |
| 4856 | struct nfs4_session *session = clp->cl_session; |
| 4857 | |
| 4858 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); |
Benny Halevy | e78291e | 2009-08-14 17:20:00 +0300 | [diff] [blame] | 4859 | if (!status) |
| 4860 | status = decode_sessionid(xdr, &session->sess_id); |
| 4861 | if (unlikely(status)) |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 4862 | return status; |
| 4863 | |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 4864 | /* seqid, flags */ |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4865 | p = xdr_inline_decode(xdr, 8); |
| 4866 | if (unlikely(!p)) |
| 4867 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4868 | clp->cl_seqid = be32_to_cpup(p++); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4869 | session->flags = be32_to_cpup(p); |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 4870 | |
| 4871 | /* Channel attributes */ |
| 4872 | status = decode_chan_attrs(xdr, &session->fc_attrs); |
| 4873 | if (!status) |
| 4874 | status = decode_chan_attrs(xdr, &session->bc_attrs); |
| 4875 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4876 | out_overflow: |
| 4877 | print_overflow_msg(__func__, xdr); |
| 4878 | return -EIO; |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 4879 | } |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 4880 | |
| 4881 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) |
| 4882 | { |
| 4883 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); |
| 4884 | } |
Ricardo Labiaga | 1801975 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 4885 | |
| 4886 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) |
| 4887 | { |
| 4888 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); |
| 4889 | } |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 4890 | #endif /* CONFIG_NFS_V4_1 */ |
| 4891 | |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 4892 | static int decode_sequence(struct xdr_stream *xdr, |
| 4893 | struct nfs4_sequence_res *res, |
| 4894 | struct rpc_rqst *rqstp) |
| 4895 | { |
| 4896 | #if defined(CONFIG_NFS_V4_1) |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 4897 | struct nfs4_sessionid id; |
| 4898 | u32 dummy; |
| 4899 | int status; |
| 4900 | __be32 *p; |
| 4901 | |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 4902 | if (!res->sr_session) |
| 4903 | return 0; |
| 4904 | |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 4905 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
Benny Halevy | e78291e | 2009-08-14 17:20:00 +0300 | [diff] [blame] | 4906 | if (!status) |
| 4907 | status = decode_sessionid(xdr, &id); |
| 4908 | if (unlikely(status)) |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 4909 | goto out_err; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 4910 | |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 4911 | /* |
| 4912 | * If the server returns different values for sessionID, slotID or |
| 4913 | * sequence number, the server is looney tunes. |
| 4914 | */ |
Trond Myklebust | fdcb457 | 2010-02-08 09:32:40 -0500 | [diff] [blame] | 4915 | status = -EREMOTEIO; |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 4916 | |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 4917 | if (memcmp(id.data, res->sr_session->sess_id.data, |
| 4918 | NFS4_MAX_SESSIONID_LEN)) { |
| 4919 | dprintk("%s Invalid session id\n", __func__); |
| 4920 | goto out_err; |
| 4921 | } |
Benny Halevy | e78291e | 2009-08-14 17:20:00 +0300 | [diff] [blame] | 4922 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4923 | p = xdr_inline_decode(xdr, 20); |
| 4924 | if (unlikely(!p)) |
| 4925 | goto out_overflow; |
Benny Halevy | e78291e | 2009-08-14 17:20:00 +0300 | [diff] [blame] | 4926 | |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 4927 | /* seqid */ |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4928 | dummy = be32_to_cpup(p++); |
Benny Halevy | dfb4f30 | 2010-09-24 09:17:01 -0400 | [diff] [blame] | 4929 | if (dummy != res->sr_slot->seq_nr) { |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 4930 | dprintk("%s Invalid sequence number\n", __func__); |
| 4931 | goto out_err; |
| 4932 | } |
| 4933 | /* slot id */ |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4934 | dummy = be32_to_cpup(p++); |
Benny Halevy | dfb4f30 | 2010-09-24 09:17:01 -0400 | [diff] [blame] | 4935 | if (dummy != res->sr_slot - res->sr_session->fc_slot_table.slots) { |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 4936 | dprintk("%s Invalid slot id\n", __func__); |
| 4937 | goto out_err; |
| 4938 | } |
| 4939 | /* highest slot id - currently not processed */ |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4940 | dummy = be32_to_cpup(p++); |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 4941 | /* target highest slot id - currently not processed */ |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4942 | dummy = be32_to_cpup(p++); |
Alexandros Batsakis | 0629e37 | 2009-12-05 13:46:14 -0500 | [diff] [blame] | 4943 | /* result flags */ |
| 4944 | res->sr_status_flags = be32_to_cpup(p); |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 4945 | status = 0; |
| 4946 | out_err: |
| 4947 | res->sr_status = status; |
| 4948 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4949 | out_overflow: |
| 4950 | print_overflow_msg(__func__, xdr); |
| 4951 | status = -EIO; |
| 4952 | goto out_err; |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 4953 | #else /* CONFIG_NFS_V4_1 */ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 4954 | return 0; |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 4955 | #endif /* CONFIG_NFS_V4_1 */ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 4956 | } |
| 4957 | |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 4958 | #if defined(CONFIG_NFS_V4_1) |
| 4959 | |
| 4960 | static int decode_getdeviceinfo(struct xdr_stream *xdr, |
| 4961 | struct pnfs_device *pdev) |
| 4962 | { |
| 4963 | __be32 *p; |
| 4964 | uint32_t len, type; |
| 4965 | int status; |
| 4966 | |
| 4967 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); |
| 4968 | if (status) { |
| 4969 | if (status == -ETOOSMALL) { |
| 4970 | p = xdr_inline_decode(xdr, 4); |
| 4971 | if (unlikely(!p)) |
| 4972 | goto out_overflow; |
| 4973 | pdev->mincount = be32_to_cpup(p); |
| 4974 | dprintk("%s: Min count too small. mincnt = %u\n", |
| 4975 | __func__, pdev->mincount); |
| 4976 | } |
| 4977 | return status; |
| 4978 | } |
| 4979 | |
| 4980 | p = xdr_inline_decode(xdr, 8); |
| 4981 | if (unlikely(!p)) |
| 4982 | goto out_overflow; |
| 4983 | type = be32_to_cpup(p++); |
| 4984 | if (type != pdev->layout_type) { |
| 4985 | dprintk("%s: layout mismatch req: %u pdev: %u\n", |
| 4986 | __func__, pdev->layout_type, type); |
| 4987 | return -EINVAL; |
| 4988 | } |
| 4989 | /* |
| 4990 | * Get the length of the opaque device_addr4. xdr_read_pages places |
| 4991 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) |
| 4992 | * and places the remaining xdr data in xdr_buf->tail |
| 4993 | */ |
| 4994 | pdev->mincount = be32_to_cpup(p); |
| 4995 | xdr_read_pages(xdr, pdev->mincount); /* include space for the length */ |
| 4996 | |
| 4997 | /* Parse notification bitmap, verifying that it is zero. */ |
| 4998 | p = xdr_inline_decode(xdr, 4); |
| 4999 | if (unlikely(!p)) |
| 5000 | goto out_overflow; |
| 5001 | len = be32_to_cpup(p); |
| 5002 | if (len) { |
| 5003 | int i; |
| 5004 | |
| 5005 | p = xdr_inline_decode(xdr, 4 * len); |
| 5006 | if (unlikely(!p)) |
| 5007 | goto out_overflow; |
| 5008 | for (i = 0; i < len; i++, p++) { |
| 5009 | if (be32_to_cpup(p)) { |
| 5010 | dprintk("%s: notifications not supported\n", |
| 5011 | __func__); |
| 5012 | return -EIO; |
| 5013 | } |
| 5014 | } |
| 5015 | } |
| 5016 | return 0; |
| 5017 | out_overflow: |
| 5018 | print_overflow_msg(__func__, xdr); |
| 5019 | return -EIO; |
| 5020 | } |
| 5021 | |
| 5022 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, |
| 5023 | struct nfs4_layoutget_res *res) |
| 5024 | { |
| 5025 | __be32 *p; |
| 5026 | int status; |
| 5027 | u32 layout_count; |
| 5028 | |
| 5029 | status = decode_op_hdr(xdr, OP_LAYOUTGET); |
| 5030 | if (status) |
| 5031 | return status; |
| 5032 | p = xdr_inline_decode(xdr, 8 + NFS4_STATEID_SIZE); |
| 5033 | if (unlikely(!p)) |
| 5034 | goto out_overflow; |
| 5035 | res->return_on_close = be32_to_cpup(p++); |
| 5036 | p = xdr_decode_opaque_fixed(p, res->stateid.data, NFS4_STATEID_SIZE); |
| 5037 | layout_count = be32_to_cpup(p); |
| 5038 | if (!layout_count) { |
| 5039 | dprintk("%s: server responded with empty layout array\n", |
| 5040 | __func__); |
| 5041 | return -EINVAL; |
| 5042 | } |
| 5043 | |
| 5044 | p = xdr_inline_decode(xdr, 24); |
| 5045 | if (unlikely(!p)) |
| 5046 | goto out_overflow; |
| 5047 | p = xdr_decode_hyper(p, &res->range.offset); |
| 5048 | p = xdr_decode_hyper(p, &res->range.length); |
| 5049 | res->range.iomode = be32_to_cpup(p++); |
| 5050 | res->type = be32_to_cpup(p++); |
| 5051 | |
| 5052 | status = decode_opaque_inline(xdr, &res->layout.len, (char **)&p); |
| 5053 | if (unlikely(status)) |
| 5054 | return status; |
| 5055 | |
| 5056 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", |
| 5057 | __func__, |
| 5058 | (unsigned long)res->range.offset, |
| 5059 | (unsigned long)res->range.length, |
| 5060 | res->range.iomode, |
| 5061 | res->type, |
| 5062 | res->layout.len); |
| 5063 | |
| 5064 | /* nfs4_proc_layoutget allocated a single page */ |
| 5065 | if (res->layout.len > PAGE_SIZE) |
| 5066 | return -ENOMEM; |
| 5067 | memcpy(res->layout.buf, p, res->layout.len); |
| 5068 | |
| 5069 | if (layout_count > 1) { |
| 5070 | /* We only handle a length one array at the moment. Any |
| 5071 | * further entries are just ignored. Note that this means |
| 5072 | * the client may see a response that is less than the |
| 5073 | * minimum it requested. |
| 5074 | */ |
| 5075 | dprintk("%s: server responded with %d layouts, dropping tail\n", |
| 5076 | __func__, layout_count); |
| 5077 | } |
| 5078 | |
| 5079 | return 0; |
| 5080 | out_overflow: |
| 5081 | print_overflow_msg(__func__, xdr); |
| 5082 | return -EIO; |
| 5083 | } |
| 5084 | #endif /* CONFIG_NFS_V4_1 */ |
| 5085 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5086 | /* |
Benny Halevy | 49c2559 | 2008-12-23 16:06:16 -0500 | [diff] [blame] | 5087 | * END OF "GENERIC" DECODE ROUTINES. |
| 5088 | */ |
| 5089 | |
| 5090 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5091 | * Decode OPEN_DOWNGRADE response |
| 5092 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5093 | 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] | 5094 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5095 | struct xdr_stream xdr; |
| 5096 | struct compound_hdr hdr; |
| 5097 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5098 | |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5099 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5100 | status = decode_compound_hdr(&xdr, &hdr); |
| 5101 | if (status) |
| 5102 | goto out; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5103 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5104 | if (status) |
| 5105 | goto out; |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5106 | status = decode_putfh(&xdr); |
| 5107 | if (status) |
| 5108 | goto out; |
| 5109 | status = decode_open_downgrade(&xdr, res); |
Trond Myklebust | 516a6af | 2005-10-27 22:12:41 -0400 | [diff] [blame] | 5110 | if (status != 0) |
| 5111 | goto out; |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5112 | decode_getfattr(&xdr, res->fattr, res->server, |
| 5113 | !RPC_IS_ASYNC(rqstp->rq_task)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5114 | out: |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5115 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5116 | } |
| 5117 | |
| 5118 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5119 | * Decode ACCESS response |
| 5120 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5121 | 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] | 5122 | { |
| 5123 | struct xdr_stream xdr; |
| 5124 | struct compound_hdr hdr; |
| 5125 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5126 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5127 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5128 | status = decode_compound_hdr(&xdr, &hdr); |
| 5129 | if (status) |
| 5130 | goto out; |
| 5131 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5132 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5133 | goto out; |
Trond Myklebust | 76b3299 | 2007-08-10 17:45:11 -0400 | [diff] [blame] | 5134 | status = decode_putfh(&xdr); |
| 5135 | if (status != 0) |
| 5136 | goto out; |
| 5137 | status = decode_access(&xdr, res); |
| 5138 | if (status != 0) |
| 5139 | goto out; |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5140 | decode_getfattr(&xdr, res->fattr, res->server, |
| 5141 | !RPC_IS_ASYNC(rqstp->rq_task)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5142 | out: |
| 5143 | return status; |
| 5144 | } |
| 5145 | |
| 5146 | /* |
| 5147 | * Decode LOOKUP response |
| 5148 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5149 | 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] | 5150 | { |
| 5151 | struct xdr_stream xdr; |
| 5152 | struct compound_hdr hdr; |
| 5153 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5154 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5155 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5156 | status = decode_compound_hdr(&xdr, &hdr); |
| 5157 | if (status) |
| 5158 | goto out; |
| 5159 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5160 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5161 | goto out; |
| 5162 | if ((status = decode_putfh(&xdr)) != 0) |
| 5163 | goto out; |
| 5164 | if ((status = decode_lookup(&xdr)) != 0) |
| 5165 | goto out; |
| 5166 | if ((status = decode_getfh(&xdr, res->fh)) != 0) |
| 5167 | goto out; |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5168 | status = decode_getfattr(&xdr, res->fattr, res->server |
| 5169 | ,!RPC_IS_ASYNC(rqstp->rq_task)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5170 | out: |
| 5171 | return status; |
| 5172 | } |
| 5173 | |
| 5174 | /* |
| 5175 | * Decode LOOKUP_ROOT response |
| 5176 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5177 | 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] | 5178 | { |
| 5179 | struct xdr_stream xdr; |
| 5180 | struct compound_hdr hdr; |
| 5181 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5182 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5183 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5184 | status = decode_compound_hdr(&xdr, &hdr); |
| 5185 | if (status) |
| 5186 | goto out; |
| 5187 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5188 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5189 | goto out; |
| 5190 | if ((status = decode_putrootfh(&xdr)) != 0) |
| 5191 | goto out; |
| 5192 | if ((status = decode_getfh(&xdr, res->fh)) == 0) |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5193 | status = decode_getfattr(&xdr, res->fattr, res->server, |
| 5194 | !RPC_IS_ASYNC(rqstp->rq_task)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5195 | out: |
| 5196 | return status; |
| 5197 | } |
| 5198 | |
| 5199 | /* |
| 5200 | * Decode REMOVE response |
| 5201 | */ |
Trond Myklebust | 4fdc17b | 2007-07-14 15:39:57 -0400 | [diff] [blame] | 5202 | 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] | 5203 | { |
| 5204 | struct xdr_stream xdr; |
| 5205 | struct compound_hdr hdr; |
| 5206 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5207 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5208 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5209 | status = decode_compound_hdr(&xdr, &hdr); |
| 5210 | if (status) |
| 5211 | goto out; |
| 5212 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5213 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5214 | goto out; |
Trond Myklebust | 16e4295 | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 5215 | if ((status = decode_putfh(&xdr)) != 0) |
| 5216 | goto out; |
| 5217 | if ((status = decode_remove(&xdr, &res->cinfo)) != 0) |
| 5218 | goto out; |
Trond Myklebust | d346890 | 2010-04-16 16:22:50 -0400 | [diff] [blame] | 5219 | decode_getfattr(&xdr, res->dir_attr, res->server, |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5220 | !RPC_IS_ASYNC(rqstp->rq_task)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5221 | out: |
| 5222 | return status; |
| 5223 | } |
| 5224 | |
| 5225 | /* |
| 5226 | * Decode RENAME response |
| 5227 | */ |
Jeff Layton | e8582a8 | 2010-09-17 17:31:06 -0400 | [diff] [blame] | 5228 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, __be32 *p, struct nfs_renameres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5229 | { |
| 5230 | struct xdr_stream xdr; |
| 5231 | struct compound_hdr hdr; |
| 5232 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5233 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5234 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5235 | status = decode_compound_hdr(&xdr, &hdr); |
| 5236 | if (status) |
| 5237 | goto out; |
| 5238 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5239 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5240 | goto out; |
| 5241 | if ((status = decode_putfh(&xdr)) != 0) |
| 5242 | goto out; |
| 5243 | if ((status = decode_savefh(&xdr)) != 0) |
| 5244 | goto out; |
| 5245 | if ((status = decode_putfh(&xdr)) != 0) |
| 5246 | goto out; |
Trond Myklebust | 6caf2c8 | 2005-10-27 22:12:43 -0400 | [diff] [blame] | 5247 | if ((status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo)) != 0) |
| 5248 | goto out; |
| 5249 | /* Current FH is target directory */ |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5250 | if (decode_getfattr(&xdr, res->new_fattr, res->server, |
| 5251 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) |
Trond Myklebust | 6caf2c8 | 2005-10-27 22:12:43 -0400 | [diff] [blame] | 5252 | goto out; |
| 5253 | if ((status = decode_restorefh(&xdr)) != 0) |
| 5254 | goto out; |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5255 | decode_getfattr(&xdr, res->old_fattr, res->server, |
| 5256 | !RPC_IS_ASYNC(rqstp->rq_task)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5257 | out: |
| 5258 | return status; |
| 5259 | } |
| 5260 | |
| 5261 | /* |
| 5262 | * Decode LINK response |
| 5263 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5264 | 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] | 5265 | { |
| 5266 | struct xdr_stream xdr; |
| 5267 | struct compound_hdr hdr; |
| 5268 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5269 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5270 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5271 | status = decode_compound_hdr(&xdr, &hdr); |
| 5272 | if (status) |
| 5273 | goto out; |
| 5274 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5275 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5276 | goto out; |
| 5277 | if ((status = decode_putfh(&xdr)) != 0) |
| 5278 | goto out; |
| 5279 | if ((status = decode_savefh(&xdr)) != 0) |
| 5280 | goto out; |
| 5281 | if ((status = decode_putfh(&xdr)) != 0) |
| 5282 | goto out; |
Trond Myklebust | 91ba2ee | 2005-10-27 22:12:42 -0400 | [diff] [blame] | 5283 | if ((status = decode_link(&xdr, &res->cinfo)) != 0) |
| 5284 | goto out; |
| 5285 | /* |
| 5286 | * Note order: OP_LINK leaves the directory as the current |
| 5287 | * filehandle. |
| 5288 | */ |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5289 | if (decode_getfattr(&xdr, res->dir_attr, res->server, |
| 5290 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) |
Trond Myklebust | 91ba2ee | 2005-10-27 22:12:42 -0400 | [diff] [blame] | 5291 | goto out; |
| 5292 | if ((status = decode_restorefh(&xdr)) != 0) |
| 5293 | goto out; |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5294 | decode_getfattr(&xdr, res->fattr, res->server, |
| 5295 | !RPC_IS_ASYNC(rqstp->rq_task)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5296 | out: |
| 5297 | return status; |
| 5298 | } |
| 5299 | |
| 5300 | /* |
| 5301 | * Decode CREATE response |
| 5302 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5303 | 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] | 5304 | { |
| 5305 | struct xdr_stream xdr; |
| 5306 | struct compound_hdr hdr; |
| 5307 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5308 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5309 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5310 | status = decode_compound_hdr(&xdr, &hdr); |
| 5311 | if (status) |
| 5312 | goto out; |
| 5313 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5314 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5315 | goto out; |
| 5316 | if ((status = decode_putfh(&xdr)) != 0) |
| 5317 | goto out; |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 5318 | if ((status = decode_savefh(&xdr)) != 0) |
| 5319 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5320 | if ((status = decode_create(&xdr,&res->dir_cinfo)) != 0) |
| 5321 | goto out; |
| 5322 | if ((status = decode_getfh(&xdr, res->fh)) != 0) |
| 5323 | goto out; |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5324 | if (decode_getfattr(&xdr, res->fattr, res->server, |
| 5325 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 5326 | goto out; |
| 5327 | if ((status = decode_restorefh(&xdr)) != 0) |
| 5328 | goto out; |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5329 | decode_getfattr(&xdr, res->dir_fattr, res->server, |
| 5330 | !RPC_IS_ASYNC(rqstp->rq_task)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5331 | out: |
| 5332 | return status; |
| 5333 | } |
| 5334 | |
| 5335 | /* |
| 5336 | * Decode SYMLINK response |
| 5337 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5338 | 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] | 5339 | { |
| 5340 | return nfs4_xdr_dec_create(rqstp, p, res); |
| 5341 | } |
| 5342 | |
| 5343 | /* |
| 5344 | * Decode GETATTR response |
| 5345 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5346 | 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] | 5347 | { |
| 5348 | struct xdr_stream xdr; |
| 5349 | struct compound_hdr hdr; |
| 5350 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5351 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5352 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5353 | status = decode_compound_hdr(&xdr, &hdr); |
| 5354 | if (status) |
| 5355 | goto out; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5356 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5357 | if (status) |
| 5358 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5359 | status = decode_putfh(&xdr); |
| 5360 | if (status) |
| 5361 | goto out; |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5362 | status = decode_getfattr(&xdr, res->fattr, res->server, |
| 5363 | !RPC_IS_ASYNC(rqstp->rq_task)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5364 | out: |
| 5365 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5366 | } |
| 5367 | |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5368 | /* |
| 5369 | * Encode an SETACL request |
| 5370 | */ |
| 5371 | static int |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5372 | 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] | 5373 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5374 | struct xdr_stream xdr; |
| 5375 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 5376 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5377 | }; |
| 5378 | int status; |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5379 | |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5380 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 5381 | encode_compound_hdr(&xdr, req, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5382 | encode_sequence(&xdr, &args->seq_args, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 5383 | encode_putfh(&xdr, args->fh, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 5384 | status = encode_setacl(&xdr, args, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 5385 | encode_nops(&hdr); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5386 | return status; |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5387 | } |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5388 | |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5389 | /* |
| 5390 | * Decode SETACL response |
| 5391 | */ |
| 5392 | static int |
Benny Halevy | 73c403a | 2009-04-01 09:22:01 -0400 | [diff] [blame] | 5393 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, __be32 *p, |
| 5394 | struct nfs_setaclres *res) |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5395 | { |
| 5396 | struct xdr_stream xdr; |
| 5397 | struct compound_hdr hdr; |
| 5398 | int status; |
| 5399 | |
| 5400 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5401 | status = decode_compound_hdr(&xdr, &hdr); |
| 5402 | if (status) |
| 5403 | goto out; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5404 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5405 | if (status) |
| 5406 | goto out; |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5407 | status = decode_putfh(&xdr); |
| 5408 | if (status) |
| 5409 | goto out; |
Benny Halevy | 9e9ecc0 | 2009-04-01 09:22:00 -0400 | [diff] [blame] | 5410 | status = decode_setattr(&xdr); |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5411 | out: |
| 5412 | return status; |
| 5413 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5414 | |
| 5415 | /* |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5416 | * Decode GETACL response |
| 5417 | */ |
| 5418 | static int |
Benny Halevy | 663c79b | 2009-04-01 09:21:59 -0400 | [diff] [blame] | 5419 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, __be32 *p, |
| 5420 | struct nfs_getaclres *res) |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5421 | { |
| 5422 | struct xdr_stream xdr; |
| 5423 | struct compound_hdr hdr; |
| 5424 | int status; |
| 5425 | |
| 5426 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5427 | status = decode_compound_hdr(&xdr, &hdr); |
| 5428 | if (status) |
| 5429 | goto out; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5430 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5431 | if (status) |
| 5432 | goto out; |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5433 | status = decode_putfh(&xdr); |
| 5434 | if (status) |
| 5435 | goto out; |
Benny Halevy | 663c79b | 2009-04-01 09:21:59 -0400 | [diff] [blame] | 5436 | status = decode_getacl(&xdr, rqstp, &res->acl_len); |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5437 | |
| 5438 | out: |
| 5439 | return status; |
| 5440 | } |
| 5441 | |
| 5442 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5443 | * Decode CLOSE response |
| 5444 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5445 | 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] | 5446 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5447 | struct xdr_stream xdr; |
| 5448 | struct compound_hdr hdr; |
| 5449 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5450 | |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5451 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5452 | status = decode_compound_hdr(&xdr, &hdr); |
| 5453 | if (status) |
| 5454 | goto out; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5455 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5456 | if (status) |
| 5457 | goto out; |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5458 | status = decode_putfh(&xdr); |
| 5459 | if (status) |
| 5460 | goto out; |
| 5461 | status = decode_close(&xdr, res); |
Trond Myklebust | 516a6af | 2005-10-27 22:12:41 -0400 | [diff] [blame] | 5462 | if (status != 0) |
| 5463 | goto out; |
| 5464 | /* |
| 5465 | * Note: Server may do delete on close for this file |
| 5466 | * in which case the getattr call will fail with |
| 5467 | * an ESTALE error. Shouldn't be a problem, |
| 5468 | * though, since fattr->valid will remain unset. |
| 5469 | */ |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5470 | decode_getfattr(&xdr, res->fattr, res->server, |
| 5471 | !RPC_IS_ASYNC(rqstp->rq_task)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5472 | out: |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5473 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5474 | } |
| 5475 | |
| 5476 | /* |
| 5477 | * Decode OPEN response |
| 5478 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5479 | 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] | 5480 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5481 | struct xdr_stream xdr; |
| 5482 | struct compound_hdr hdr; |
| 5483 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5484 | |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5485 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5486 | status = decode_compound_hdr(&xdr, &hdr); |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 5487 | if (status) |
| 5488 | goto out; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5489 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5490 | if (status) |
| 5491 | goto out; |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5492 | status = decode_putfh(&xdr); |
| 5493 | if (status) |
| 5494 | goto out; |
| 5495 | status = decode_savefh(&xdr); |
| 5496 | if (status) |
| 5497 | goto out; |
| 5498 | status = decode_open(&xdr, res); |
| 5499 | if (status) |
| 5500 | goto out; |
Trond Myklebust | 9936781 | 2007-07-17 21:52:41 -0400 | [diff] [blame] | 5501 | if (decode_getfh(&xdr, &res->fh) != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5502 | goto out; |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5503 | if (decode_getfattr(&xdr, res->f_attr, res->server, |
| 5504 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 5505 | goto out; |
Trond Myklebust | 365c8f5 | 2007-07-17 21:52:37 -0400 | [diff] [blame] | 5506 | if (decode_restorefh(&xdr) != 0) |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 5507 | goto out; |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5508 | decode_getfattr(&xdr, res->dir_attr, res->server, |
| 5509 | !RPC_IS_ASYNC(rqstp->rq_task)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5510 | out: |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5511 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5512 | } |
| 5513 | |
| 5514 | /* |
| 5515 | * Decode OPEN_CONFIRM response |
| 5516 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5517 | 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] | 5518 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5519 | struct xdr_stream xdr; |
| 5520 | struct compound_hdr hdr; |
| 5521 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5522 | |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5523 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5524 | status = decode_compound_hdr(&xdr, &hdr); |
| 5525 | if (status) |
| 5526 | goto out; |
| 5527 | status = decode_putfh(&xdr); |
| 5528 | if (status) |
| 5529 | goto out; |
| 5530 | status = decode_open_confirm(&xdr, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5531 | out: |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5532 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5533 | } |
| 5534 | |
| 5535 | /* |
| 5536 | * Decode OPEN response |
| 5537 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5538 | 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] | 5539 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5540 | struct xdr_stream xdr; |
| 5541 | struct compound_hdr hdr; |
| 5542 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5543 | |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5544 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5545 | status = decode_compound_hdr(&xdr, &hdr); |
| 5546 | if (status) |
| 5547 | goto out; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5548 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5549 | if (status) |
| 5550 | goto out; |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5551 | status = decode_putfh(&xdr); |
| 5552 | if (status) |
| 5553 | goto out; |
| 5554 | status = decode_open(&xdr, res); |
| 5555 | if (status) |
| 5556 | goto out; |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5557 | decode_getfattr(&xdr, res->f_attr, res->server, |
| 5558 | !RPC_IS_ASYNC(rqstp->rq_task)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5559 | out: |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5560 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5561 | } |
| 5562 | |
| 5563 | /* |
| 5564 | * Decode SETATTR response |
| 5565 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5566 | 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] | 5567 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5568 | struct xdr_stream xdr; |
| 5569 | struct compound_hdr hdr; |
| 5570 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5571 | |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5572 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5573 | status = decode_compound_hdr(&xdr, &hdr); |
| 5574 | if (status) |
| 5575 | goto out; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5576 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5577 | if (status) |
| 5578 | goto out; |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5579 | status = decode_putfh(&xdr); |
| 5580 | if (status) |
| 5581 | goto out; |
Benny Halevy | 9e9ecc0 | 2009-04-01 09:22:00 -0400 | [diff] [blame] | 5582 | status = decode_setattr(&xdr); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5583 | if (status) |
| 5584 | goto out; |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5585 | decode_getfattr(&xdr, res->fattr, res->server, |
| 5586 | !RPC_IS_ASYNC(rqstp->rq_task)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5587 | out: |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5588 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5589 | } |
| 5590 | |
| 5591 | /* |
| 5592 | * Decode LOCK response |
| 5593 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5594 | 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] | 5595 | { |
| 5596 | struct xdr_stream xdr; |
| 5597 | struct compound_hdr hdr; |
| 5598 | int status; |
| 5599 | |
| 5600 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5601 | status = decode_compound_hdr(&xdr, &hdr); |
| 5602 | if (status) |
| 5603 | goto out; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5604 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5605 | if (status) |
| 5606 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5607 | status = decode_putfh(&xdr); |
| 5608 | if (status) |
| 5609 | goto out; |
| 5610 | status = decode_lock(&xdr, res); |
| 5611 | out: |
| 5612 | return status; |
| 5613 | } |
| 5614 | |
| 5615 | /* |
| 5616 | * Decode LOCKT response |
| 5617 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5618 | 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] | 5619 | { |
| 5620 | struct xdr_stream xdr; |
| 5621 | struct compound_hdr hdr; |
| 5622 | int status; |
| 5623 | |
| 5624 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5625 | status = decode_compound_hdr(&xdr, &hdr); |
| 5626 | if (status) |
| 5627 | goto out; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5628 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5629 | if (status) |
| 5630 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5631 | status = decode_putfh(&xdr); |
| 5632 | if (status) |
| 5633 | goto out; |
| 5634 | status = decode_lockt(&xdr, res); |
| 5635 | out: |
| 5636 | return status; |
| 5637 | } |
| 5638 | |
| 5639 | /* |
| 5640 | * Decode LOCKU response |
| 5641 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5642 | 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] | 5643 | { |
| 5644 | struct xdr_stream xdr; |
| 5645 | struct compound_hdr hdr; |
| 5646 | int status; |
| 5647 | |
| 5648 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5649 | status = decode_compound_hdr(&xdr, &hdr); |
| 5650 | if (status) |
| 5651 | goto out; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5652 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5653 | if (status) |
| 5654 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5655 | status = decode_putfh(&xdr); |
| 5656 | if (status) |
| 5657 | goto out; |
| 5658 | status = decode_locku(&xdr, res); |
| 5659 | out: |
| 5660 | return status; |
| 5661 | } |
| 5662 | |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 5663 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, __be32 *p, void *dummy) |
| 5664 | { |
| 5665 | struct xdr_stream xdr; |
| 5666 | struct compound_hdr hdr; |
| 5667 | int status; |
| 5668 | |
| 5669 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5670 | status = decode_compound_hdr(&xdr, &hdr); |
| 5671 | if (!status) |
| 5672 | status = decode_release_lockowner(&xdr); |
| 5673 | return status; |
| 5674 | } |
| 5675 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5676 | /* |
| 5677 | * Decode READLINK response |
| 5678 | */ |
Benny Halevy | f50c700 | 2009-04-01 09:21:55 -0400 | [diff] [blame] | 5679 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, __be32 *p, |
| 5680 | struct nfs4_readlink_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5681 | { |
| 5682 | struct xdr_stream xdr; |
| 5683 | struct compound_hdr hdr; |
| 5684 | int status; |
| 5685 | |
| 5686 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5687 | status = decode_compound_hdr(&xdr, &hdr); |
| 5688 | if (status) |
| 5689 | goto out; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5690 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5691 | if (status) |
| 5692 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5693 | status = decode_putfh(&xdr); |
| 5694 | if (status) |
| 5695 | goto out; |
| 5696 | status = decode_readlink(&xdr, rqstp); |
| 5697 | out: |
| 5698 | return status; |
| 5699 | } |
| 5700 | |
| 5701 | /* |
| 5702 | * Decode READDIR response |
| 5703 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5704 | 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] | 5705 | { |
| 5706 | struct xdr_stream xdr; |
| 5707 | struct compound_hdr hdr; |
| 5708 | int status; |
| 5709 | |
| 5710 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5711 | status = decode_compound_hdr(&xdr, &hdr); |
| 5712 | if (status) |
| 5713 | goto out; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5714 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5715 | if (status) |
| 5716 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5717 | status = decode_putfh(&xdr); |
| 5718 | if (status) |
| 5719 | goto out; |
| 5720 | status = decode_readdir(&xdr, rqstp, res); |
| 5721 | out: |
| 5722 | return status; |
| 5723 | } |
| 5724 | |
| 5725 | /* |
| 5726 | * Decode Read response |
| 5727 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5728 | 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] | 5729 | { |
| 5730 | struct xdr_stream xdr; |
| 5731 | struct compound_hdr hdr; |
| 5732 | int status; |
| 5733 | |
| 5734 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5735 | status = decode_compound_hdr(&xdr, &hdr); |
| 5736 | if (status) |
| 5737 | goto out; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5738 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5739 | if (status) |
| 5740 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5741 | status = decode_putfh(&xdr); |
| 5742 | if (status) |
| 5743 | goto out; |
| 5744 | status = decode_read(&xdr, rqstp, res); |
| 5745 | if (!status) |
| 5746 | status = res->count; |
| 5747 | out: |
| 5748 | return status; |
| 5749 | } |
| 5750 | |
| 5751 | /* |
| 5752 | * Decode WRITE response |
| 5753 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5754 | 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] | 5755 | { |
| 5756 | struct xdr_stream xdr; |
| 5757 | struct compound_hdr hdr; |
| 5758 | int status; |
| 5759 | |
| 5760 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5761 | status = decode_compound_hdr(&xdr, &hdr); |
| 5762 | if (status) |
| 5763 | goto out; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5764 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5765 | if (status) |
| 5766 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5767 | status = decode_putfh(&xdr); |
| 5768 | if (status) |
| 5769 | goto out; |
| 5770 | status = decode_write(&xdr, res); |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 5771 | if (status) |
| 5772 | goto out; |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5773 | decode_getfattr(&xdr, res->fattr, res->server, |
| 5774 | !RPC_IS_ASYNC(rqstp->rq_task)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5775 | if (!status) |
| 5776 | status = res->count; |
| 5777 | out: |
| 5778 | return status; |
| 5779 | } |
| 5780 | |
| 5781 | /* |
| 5782 | * Decode COMMIT response |
| 5783 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5784 | 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] | 5785 | { |
| 5786 | struct xdr_stream xdr; |
| 5787 | struct compound_hdr hdr; |
| 5788 | int status; |
| 5789 | |
| 5790 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5791 | status = decode_compound_hdr(&xdr, &hdr); |
| 5792 | if (status) |
| 5793 | goto out; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5794 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5795 | if (status) |
| 5796 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5797 | status = decode_putfh(&xdr); |
| 5798 | if (status) |
| 5799 | goto out; |
| 5800 | status = decode_commit(&xdr, res); |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 5801 | if (status) |
| 5802 | goto out; |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5803 | decode_getfattr(&xdr, res->fattr, res->server, |
| 5804 | !RPC_IS_ASYNC(rqstp->rq_task)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5805 | out: |
| 5806 | return status; |
| 5807 | } |
| 5808 | |
| 5809 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 5810 | * Decode FSINFO response |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5811 | */ |
Benny Halevy | 3dda5e4 | 2009-04-01 09:21:57 -0400 | [diff] [blame] | 5812 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, __be32 *p, |
| 5813 | struct nfs4_fsinfo_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5814 | { |
| 5815 | struct xdr_stream xdr; |
| 5816 | struct compound_hdr hdr; |
| 5817 | int status; |
| 5818 | |
| 5819 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); |
| 5820 | status = decode_compound_hdr(&xdr, &hdr); |
| 5821 | if (!status) |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5822 | status = decode_sequence(&xdr, &res->seq_res, req); |
| 5823 | if (!status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5824 | status = decode_putfh(&xdr); |
| 5825 | if (!status) |
Benny Halevy | 3dda5e4 | 2009-04-01 09:21:57 -0400 | [diff] [blame] | 5826 | status = decode_fsinfo(&xdr, res->fsinfo); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5827 | return status; |
| 5828 | } |
| 5829 | |
| 5830 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 5831 | * Decode PATHCONF response |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5832 | */ |
Benny Halevy | d45b298 | 2009-04-01 09:21:58 -0400 | [diff] [blame] | 5833 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, __be32 *p, |
| 5834 | struct nfs4_pathconf_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5835 | { |
| 5836 | struct xdr_stream xdr; |
| 5837 | struct compound_hdr hdr; |
| 5838 | int status; |
| 5839 | |
| 5840 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); |
| 5841 | status = decode_compound_hdr(&xdr, &hdr); |
| 5842 | if (!status) |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5843 | status = decode_sequence(&xdr, &res->seq_res, req); |
| 5844 | if (!status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5845 | status = decode_putfh(&xdr); |
| 5846 | if (!status) |
Benny Halevy | d45b298 | 2009-04-01 09:21:58 -0400 | [diff] [blame] | 5847 | status = decode_pathconf(&xdr, res->pathconf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5848 | return status; |
| 5849 | } |
| 5850 | |
| 5851 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 5852 | * Decode STATFS response |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5853 | */ |
Benny Halevy | 24ad148 | 2009-04-01 09:21:56 -0400 | [diff] [blame] | 5854 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, __be32 *p, |
| 5855 | struct nfs4_statfs_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5856 | { |
| 5857 | struct xdr_stream xdr; |
| 5858 | struct compound_hdr hdr; |
| 5859 | int status; |
| 5860 | |
| 5861 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); |
| 5862 | status = decode_compound_hdr(&xdr, &hdr); |
| 5863 | if (!status) |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5864 | status = decode_sequence(&xdr, &res->seq_res, req); |
| 5865 | if (!status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5866 | status = decode_putfh(&xdr); |
| 5867 | if (!status) |
Benny Halevy | 24ad148 | 2009-04-01 09:21:56 -0400 | [diff] [blame] | 5868 | status = decode_statfs(&xdr, res->fsstat); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5869 | return status; |
| 5870 | } |
| 5871 | |
| 5872 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 5873 | * Decode GETATTR_BITMAP response |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5874 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5875 | 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] | 5876 | { |
| 5877 | struct xdr_stream xdr; |
| 5878 | struct compound_hdr hdr; |
| 5879 | int status; |
| 5880 | |
| 5881 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5882 | status = decode_compound_hdr(&xdr, &hdr); |
| 5883 | if (status) |
| 5884 | goto out; |
| 5885 | status = decode_sequence(&xdr, &res->seq_res, req); |
| 5886 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5887 | goto out; |
| 5888 | if ((status = decode_putfh(&xdr)) != 0) |
| 5889 | goto out; |
| 5890 | status = decode_server_caps(&xdr, res); |
| 5891 | out: |
| 5892 | return status; |
| 5893 | } |
| 5894 | |
| 5895 | /* |
| 5896 | * Decode RENEW response |
| 5897 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5898 | 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] | 5899 | { |
| 5900 | struct xdr_stream xdr; |
| 5901 | struct compound_hdr hdr; |
| 5902 | int status; |
| 5903 | |
| 5904 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5905 | status = decode_compound_hdr(&xdr, &hdr); |
| 5906 | if (!status) |
| 5907 | status = decode_renew(&xdr); |
| 5908 | return status; |
| 5909 | } |
| 5910 | |
| 5911 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 5912 | * Decode SETCLIENTID response |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5913 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5914 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, __be32 *p, |
Trond Myklebust | bb8b27e | 2010-04-16 16:43:06 -0400 | [diff] [blame] | 5915 | struct nfs4_setclientid_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5916 | { |
| 5917 | struct xdr_stream xdr; |
| 5918 | struct compound_hdr hdr; |
| 5919 | int status; |
| 5920 | |
| 5921 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); |
| 5922 | status = decode_compound_hdr(&xdr, &hdr); |
| 5923 | if (!status) |
Trond Myklebust | bb8b27e | 2010-04-16 16:43:06 -0400 | [diff] [blame] | 5924 | status = decode_setclientid(&xdr, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5925 | return status; |
| 5926 | } |
| 5927 | |
| 5928 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 5929 | * Decode SETCLIENTID_CONFIRM response |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5930 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5931 | 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] | 5932 | { |
| 5933 | struct xdr_stream xdr; |
| 5934 | struct compound_hdr hdr; |
| 5935 | int status; |
| 5936 | |
| 5937 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); |
| 5938 | status = decode_compound_hdr(&xdr, &hdr); |
| 5939 | if (!status) |
| 5940 | status = decode_setclientid_confirm(&xdr); |
| 5941 | if (!status) |
| 5942 | status = decode_putrootfh(&xdr); |
| 5943 | if (!status) |
| 5944 | status = decode_fsinfo(&xdr, fsinfo); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5945 | return status; |
| 5946 | } |
| 5947 | |
| 5948 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 5949 | * Decode DELEGRETURN response |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5950 | */ |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5951 | 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] | 5952 | { |
| 5953 | struct xdr_stream xdr; |
| 5954 | struct compound_hdr hdr; |
| 5955 | int status; |
| 5956 | |
| 5957 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 5958 | status = decode_compound_hdr(&xdr, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5959 | if (status) |
| 5960 | goto out; |
| 5961 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 5962 | if (status) |
Trond Myklebust | fa178f2 | 2006-01-03 09:55:38 +0100 | [diff] [blame] | 5963 | goto out; |
| 5964 | status = decode_putfh(&xdr); |
| 5965 | if (status != 0) |
| 5966 | goto out; |
| 5967 | status = decode_delegreturn(&xdr); |
Jeff Layton | 556ae3b | 2010-03-21 12:10:36 -0400 | [diff] [blame] | 5968 | if (status != 0) |
| 5969 | goto out; |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5970 | decode_getfattr(&xdr, res->fattr, res->server, |
| 5971 | !RPC_IS_ASYNC(rqstp->rq_task)); |
Trond Myklebust | fa178f2 | 2006-01-03 09:55:38 +0100 | [diff] [blame] | 5972 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5973 | return status; |
| 5974 | } |
| 5975 | |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 5976 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 5977 | * Decode FS_LOCATIONS response |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 5978 | */ |
Benny Halevy | 2295846 | 2009-04-01 09:22:02 -0400 | [diff] [blame] | 5979 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, __be32 *p, |
| 5980 | struct nfs4_fs_locations_res *res) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 5981 | { |
| 5982 | struct xdr_stream xdr; |
| 5983 | struct compound_hdr hdr; |
| 5984 | int status; |
| 5985 | |
| 5986 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); |
| 5987 | status = decode_compound_hdr(&xdr, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5988 | if (status) |
| 5989 | goto out; |
| 5990 | status = decode_sequence(&xdr, &res->seq_res, req); |
| 5991 | if (status) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 5992 | goto out; |
| 5993 | if ((status = decode_putfh(&xdr)) != 0) |
| 5994 | goto out; |
| 5995 | if ((status = decode_lookup(&xdr)) != 0) |
| 5996 | goto out; |
| 5997 | xdr_enter_page(&xdr, PAGE_SIZE); |
Benny Halevy | 2295846 | 2009-04-01 09:22:02 -0400 | [diff] [blame] | 5998 | status = decode_getfattr(&xdr, &res->fs_locations->fattr, |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 5999 | res->fs_locations->server, |
| 6000 | !RPC_IS_ASYNC(req->rq_task)); |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 6001 | out: |
| 6002 | return status; |
| 6003 | } |
| 6004 | |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 6005 | #if defined(CONFIG_NFS_V4_1) |
| 6006 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 6007 | * Decode EXCHANGE_ID response |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 6008 | */ |
| 6009 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, uint32_t *p, |
| 6010 | void *res) |
| 6011 | { |
| 6012 | struct xdr_stream xdr; |
| 6013 | struct compound_hdr hdr; |
| 6014 | int status; |
| 6015 | |
| 6016 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 6017 | status = decode_compound_hdr(&xdr, &hdr); |
| 6018 | if (!status) |
| 6019 | status = decode_exchange_id(&xdr, res); |
| 6020 | return status; |
| 6021 | } |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 6022 | |
| 6023 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 6024 | * Decode CREATE_SESSION response |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 6025 | */ |
| 6026 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, uint32_t *p, |
| 6027 | struct nfs41_create_session_res *res) |
| 6028 | { |
| 6029 | struct xdr_stream xdr; |
| 6030 | struct compound_hdr hdr; |
| 6031 | int status; |
| 6032 | |
| 6033 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 6034 | status = decode_compound_hdr(&xdr, &hdr); |
| 6035 | if (!status) |
| 6036 | status = decode_create_session(&xdr, res); |
| 6037 | return status; |
| 6038 | } |
| 6039 | |
| 6040 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 6041 | * Decode DESTROY_SESSION response |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 6042 | */ |
| 6043 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, uint32_t *p, |
| 6044 | void *dummy) |
| 6045 | { |
| 6046 | struct xdr_stream xdr; |
| 6047 | struct compound_hdr hdr; |
| 6048 | int status; |
| 6049 | |
| 6050 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 6051 | status = decode_compound_hdr(&xdr, &hdr); |
| 6052 | if (!status) |
| 6053 | status = decode_destroy_session(&xdr, dummy); |
| 6054 | return status; |
| 6055 | } |
| 6056 | |
| 6057 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 6058 | * Decode SEQUENCE response |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 6059 | */ |
| 6060 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, uint32_t *p, |
| 6061 | struct nfs4_sequence_res *res) |
| 6062 | { |
| 6063 | struct xdr_stream xdr; |
| 6064 | struct compound_hdr hdr; |
| 6065 | int status; |
| 6066 | |
| 6067 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 6068 | status = decode_compound_hdr(&xdr, &hdr); |
| 6069 | if (!status) |
| 6070 | status = decode_sequence(&xdr, res, rqstp); |
| 6071 | return status; |
| 6072 | } |
| 6073 | |
| 6074 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 6075 | * Decode GET_LEASE_TIME response |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 6076 | */ |
| 6077 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, uint32_t *p, |
| 6078 | struct nfs4_get_lease_time_res *res) |
| 6079 | { |
| 6080 | struct xdr_stream xdr; |
| 6081 | struct compound_hdr hdr; |
| 6082 | int status; |
| 6083 | |
| 6084 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 6085 | status = decode_compound_hdr(&xdr, &hdr); |
| 6086 | if (!status) |
| 6087 | status = decode_sequence(&xdr, &res->lr_seq_res, rqstp); |
| 6088 | if (!status) |
| 6089 | status = decode_putrootfh(&xdr); |
| 6090 | if (!status) |
| 6091 | status = decode_fsinfo(&xdr, res->lr_fsinfo); |
| 6092 | return status; |
| 6093 | } |
Ricardo Labiaga | 1801975 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 6094 | |
| 6095 | /* |
| 6096 | * Decode RECLAIM_COMPLETE response |
| 6097 | */ |
| 6098 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, uint32_t *p, |
| 6099 | struct nfs41_reclaim_complete_res *res) |
| 6100 | { |
| 6101 | struct xdr_stream xdr; |
| 6102 | struct compound_hdr hdr; |
| 6103 | int status; |
| 6104 | |
| 6105 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 6106 | status = decode_compound_hdr(&xdr, &hdr); |
| 6107 | if (!status) |
| 6108 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 6109 | if (!status) |
| 6110 | status = decode_reclaim_complete(&xdr, (void *)NULL); |
| 6111 | return status; |
| 6112 | } |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 6113 | |
| 6114 | /* |
| 6115 | * Decode GETDEVINFO response |
| 6116 | */ |
| 6117 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, uint32_t *p, |
| 6118 | struct nfs4_getdeviceinfo_res *res) |
| 6119 | { |
| 6120 | struct xdr_stream xdr; |
| 6121 | struct compound_hdr hdr; |
| 6122 | int status; |
| 6123 | |
| 6124 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 6125 | status = decode_compound_hdr(&xdr, &hdr); |
| 6126 | if (status != 0) |
| 6127 | goto out; |
| 6128 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 6129 | if (status != 0) |
| 6130 | goto out; |
| 6131 | status = decode_getdeviceinfo(&xdr, res->pdev); |
| 6132 | out: |
| 6133 | return status; |
| 6134 | } |
| 6135 | |
| 6136 | /* |
| 6137 | * Decode LAYOUTGET response |
| 6138 | */ |
| 6139 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, uint32_t *p, |
| 6140 | struct nfs4_layoutget_res *res) |
| 6141 | { |
| 6142 | struct xdr_stream xdr; |
| 6143 | struct compound_hdr hdr; |
| 6144 | int status; |
| 6145 | |
| 6146 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
| 6147 | status = decode_compound_hdr(&xdr, &hdr); |
| 6148 | if (status) |
| 6149 | goto out; |
| 6150 | status = decode_sequence(&xdr, &res->seq_res, rqstp); |
| 6151 | if (status) |
| 6152 | goto out; |
| 6153 | status = decode_putfh(&xdr); |
| 6154 | if (status) |
| 6155 | goto out; |
| 6156 | status = decode_layoutget(&xdr, rqstp, res); |
| 6157 | out: |
| 6158 | return status; |
| 6159 | } |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 6160 | #endif /* CONFIG_NFS_V4_1 */ |
| 6161 | |
Bryan Schumaker | 82f2e54 | 2010-10-21 16:33:18 -0400 | [diff] [blame] | 6162 | __be32 *nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, |
| 6163 | struct nfs_server *server, int plus) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6164 | { |
| 6165 | uint32_t bitmap[2] = {0}; |
| 6166 | uint32_t len; |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 6167 | __be32 *p = xdr_inline_decode(xdr, 4); |
| 6168 | if (unlikely(!p)) |
| 6169 | goto out_overflow; |
| 6170 | if (!ntohl(*p++)) { |
| 6171 | p = xdr_inline_decode(xdr, 4); |
| 6172 | if (unlikely(!p)) |
| 6173 | goto out_overflow; |
| 6174 | if (!ntohl(*p++)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6175 | return ERR_PTR(-EAGAIN); |
| 6176 | entry->eof = 1; |
| 6177 | return ERR_PTR(-EBADCOOKIE); |
| 6178 | } |
| 6179 | |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 6180 | p = xdr_inline_decode(xdr, 12); |
| 6181 | if (unlikely(!p)) |
| 6182 | goto out_overflow; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6183 | entry->prev_cookie = entry->cookie; |
| 6184 | p = xdr_decode_hyper(p, &entry->cookie); |
| 6185 | entry->len = ntohl(*p++); |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 6186 | |
Trond Myklebust | 9af8c22 | 2010-10-24 11:52:55 -0400 | [diff] [blame] | 6187 | p = xdr_inline_decode(xdr, entry->len); |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 6188 | if (unlikely(!p)) |
| 6189 | goto out_overflow; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6190 | entry->name = (const char *) p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6191 | |
| 6192 | /* |
| 6193 | * In case the server doesn't return an inode number, |
| 6194 | * we fake one here. (We don't use inode number 0, |
| 6195 | * since glibc seems to choke on it...) |
| 6196 | */ |
| 6197 | entry->ino = 1; |
Trond Myklebust | 4f08222 | 2010-10-24 13:14:02 -0400 | [diff] [blame] | 6198 | entry->fattr->valid = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6199 | |
Trond Myklebust | 9af8c22 | 2010-10-24 11:52:55 -0400 | [diff] [blame] | 6200 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 6201 | goto out_overflow; |
Trond Myklebust | 9af8c22 | 2010-10-24 11:52:55 -0400 | [diff] [blame] | 6202 | |
| 6203 | if (decode_attr_length(xdr, &len, &p) < 0) |
| 6204 | goto out_overflow; |
| 6205 | |
| 6206 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, server, 1) < 0) |
| 6207 | goto out_overflow; |
| 6208 | if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) |
| 6209 | entry->ino = entry->fattr->fileid; |
| 6210 | |
Trond Myklebust | 0b26a0b | 2010-11-20 14:26:44 -0500 | [diff] [blame] | 6211 | entry->d_type = DT_UNKNOWN; |
| 6212 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) |
| 6213 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); |
| 6214 | |
Trond Myklebust | 9af8c22 | 2010-10-24 11:52:55 -0400 | [diff] [blame] | 6215 | if (verify_attr_len(xdr, p, len) < 0) |
| 6216 | goto out_overflow; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6217 | |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 6218 | p = xdr_inline_peek(xdr, 8); |
| 6219 | if (p != NULL) |
| 6220 | entry->eof = !p[0] && p[1]; |
| 6221 | else |
| 6222 | entry->eof = 0; |
| 6223 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6224 | return p; |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 6225 | |
| 6226 | out_overflow: |
| 6227 | print_overflow_msg(__func__, xdr); |
Trond Myklebust | 463a376 | 2010-11-20 12:22:20 -0500 | [diff] [blame] | 6228 | return ERR_PTR(-EAGAIN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6229 | } |
| 6230 | |
| 6231 | /* |
| 6232 | * We need to translate between nfs status return values and |
| 6233 | * the local errno values which may not be the same. |
| 6234 | */ |
| 6235 | static struct { |
| 6236 | int stat; |
| 6237 | int errno; |
| 6238 | } nfs_errtbl[] = { |
| 6239 | { NFS4_OK, 0 }, |
Benny Halevy | 856dff3 | 2008-03-31 17:39:06 +0300 | [diff] [blame] | 6240 | { NFS4ERR_PERM, -EPERM }, |
| 6241 | { NFS4ERR_NOENT, -ENOENT }, |
| 6242 | { NFS4ERR_IO, -errno_NFSERR_IO}, |
| 6243 | { NFS4ERR_NXIO, -ENXIO }, |
| 6244 | { NFS4ERR_ACCESS, -EACCES }, |
| 6245 | { NFS4ERR_EXIST, -EEXIST }, |
| 6246 | { NFS4ERR_XDEV, -EXDEV }, |
| 6247 | { NFS4ERR_NOTDIR, -ENOTDIR }, |
| 6248 | { NFS4ERR_ISDIR, -EISDIR }, |
| 6249 | { NFS4ERR_INVAL, -EINVAL }, |
| 6250 | { NFS4ERR_FBIG, -EFBIG }, |
| 6251 | { NFS4ERR_NOSPC, -ENOSPC }, |
| 6252 | { NFS4ERR_ROFS, -EROFS }, |
| 6253 | { NFS4ERR_MLINK, -EMLINK }, |
| 6254 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, |
| 6255 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, |
| 6256 | { NFS4ERR_DQUOT, -EDQUOT }, |
| 6257 | { NFS4ERR_STALE, -ESTALE }, |
| 6258 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, |
| 6259 | { NFS4ERR_BADOWNER, -EINVAL }, |
| 6260 | { NFS4ERR_BADNAME, -EINVAL }, |
| 6261 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
| 6262 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, |
| 6263 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, |
Trond Myklebust | fdcb457 | 2010-02-08 09:32:40 -0500 | [diff] [blame] | 6264 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
Benny Halevy | 856dff3 | 2008-03-31 17:39:06 +0300 | [diff] [blame] | 6265 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
| 6266 | { NFS4ERR_LOCKED, -EAGAIN }, |
Benny Halevy | 856dff3 | 2008-03-31 17:39:06 +0300 | [diff] [blame] | 6267 | { NFS4ERR_SYMLINK, -ELOOP }, |
| 6268 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, |
| 6269 | { NFS4ERR_DEADLOCK, -EDEADLK }, |
| 6270 | { NFS4ERR_WRONGSEC, -EPERM }, /* FIXME: this needs |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6271 | * to be handled by a |
| 6272 | * middle-layer. |
| 6273 | */ |
Benny Halevy | 856dff3 | 2008-03-31 17:39:06 +0300 | [diff] [blame] | 6274 | { -1, -EIO } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6275 | }; |
| 6276 | |
| 6277 | /* |
| 6278 | * Convert an NFS error code to a local one. |
| 6279 | * This one is used jointly by NFSv2 and NFSv3. |
| 6280 | */ |
| 6281 | static int |
David Howells | 0a8ea43 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 6282 | nfs4_stat_to_errno(int stat) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6283 | { |
| 6284 | int i; |
| 6285 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { |
| 6286 | if (nfs_errtbl[i].stat == stat) |
| 6287 | return nfs_errtbl[i].errno; |
| 6288 | } |
| 6289 | if (stat <= 10000 || stat > 10100) { |
| 6290 | /* The server is looney tunes. */ |
Trond Myklebust | fdcb457 | 2010-02-08 09:32:40 -0500 | [diff] [blame] | 6291 | return -EREMOTEIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6292 | } |
| 6293 | /* If we cannot translate the error, the recovery routines should |
| 6294 | * handle it. |
| 6295 | * Note: remaining NFSv4 error codes have values > 10000, so should |
| 6296 | * not conflict with native Linux error codes. |
| 6297 | */ |
Benny Halevy | 856dff3 | 2008-03-31 17:39:06 +0300 | [diff] [blame] | 6298 | return -stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6299 | } |
| 6300 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6301 | #define PROC(proc, argtype, restype) \ |
| 6302 | [NFSPROC4_CLNT_##proc] = { \ |
| 6303 | .p_proc = NFSPROC4_COMPOUND, \ |
Chuck Lever | 7d93bd71 | 2010-12-14 14:57:42 +0000 | [diff] [blame^] | 6304 | .p_encode = (kxdrproc_t)nfs4_xdr_##argtype, \ |
| 6305 | .p_decode = (kxdrproc_t)nfs4_xdr_##restype, \ |
Chuck Lever | 2bea90d | 2007-03-29 16:47:53 -0400 | [diff] [blame] | 6306 | .p_arglen = NFS4_##argtype##_sz, \ |
| 6307 | .p_replen = NFS4_##restype##_sz, \ |
Chuck Lever | cc0175c | 2006-03-20 13:44:22 -0500 | [diff] [blame] | 6308 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
| 6309 | .p_name = #proc, \ |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6310 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6311 | |
| 6312 | struct rpc_procinfo nfs4_procedures[] = { |
Chuck Lever | 7d93bd71 | 2010-12-14 14:57:42 +0000 | [diff] [blame^] | 6313 | PROC(READ, enc_read, dec_read), |
| 6314 | PROC(WRITE, enc_write, dec_write), |
| 6315 | PROC(COMMIT, enc_commit, dec_commit), |
| 6316 | PROC(OPEN, enc_open, dec_open), |
| 6317 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), |
| 6318 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), |
| 6319 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), |
| 6320 | PROC(CLOSE, enc_close, dec_close), |
| 6321 | PROC(SETATTR, enc_setattr, dec_setattr), |
| 6322 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), |
| 6323 | PROC(RENEW, enc_renew, dec_renew), |
| 6324 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), |
| 6325 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), |
| 6326 | PROC(LOCK, enc_lock, dec_lock), |
| 6327 | PROC(LOCKT, enc_lockt, dec_lockt), |
| 6328 | PROC(LOCKU, enc_locku, dec_locku), |
| 6329 | PROC(ACCESS, enc_access, dec_access), |
| 6330 | PROC(GETATTR, enc_getattr, dec_getattr), |
| 6331 | PROC(LOOKUP, enc_lookup, dec_lookup), |
| 6332 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), |
| 6333 | PROC(REMOVE, enc_remove, dec_remove), |
| 6334 | PROC(RENAME, enc_rename, dec_rename), |
| 6335 | PROC(LINK, enc_link, dec_link), |
| 6336 | PROC(SYMLINK, enc_symlink, dec_symlink), |
| 6337 | PROC(CREATE, enc_create, dec_create), |
| 6338 | PROC(PATHCONF, enc_pathconf, dec_pathconf), |
| 6339 | PROC(STATFS, enc_statfs, dec_statfs), |
| 6340 | PROC(READLINK, enc_readlink, dec_readlink), |
| 6341 | PROC(READDIR, enc_readdir, dec_readdir), |
| 6342 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), |
| 6343 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), |
| 6344 | PROC(GETACL, enc_getacl, dec_getacl), |
| 6345 | PROC(SETACL, enc_setacl, dec_setacl), |
| 6346 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), |
| 6347 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 6348 | #if defined(CONFIG_NFS_V4_1) |
Chuck Lever | 7d93bd71 | 2010-12-14 14:57:42 +0000 | [diff] [blame^] | 6349 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
| 6350 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), |
| 6351 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), |
| 6352 | PROC(SEQUENCE, enc_sequence, dec_sequence), |
| 6353 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), |
| 6354 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), |
| 6355 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), |
| 6356 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 6357 | #endif /* CONFIG_NFS_V4_1 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6358 | }; |
| 6359 | |
| 6360 | struct rpc_version nfs_version4 = { |
| 6361 | .number = 4, |
Tobias Klauser | e8c96f8 | 2006-03-24 03:15:34 -0800 | [diff] [blame] | 6362 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6363 | .procs = nfs4_procedures |
| 6364 | }; |
| 6365 | |
| 6366 | /* |
| 6367 | * Local variables: |
| 6368 | * c-basic-offset: 8 |
| 6369 | * End: |
| 6370 | */ |