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> |
Weston Andros Adamson | db8ac8b | 2012-02-17 15:20:24 -0500 | [diff] [blame] | 47 | #include <linux/module.h> |
| 48 | #include <linux/utsname.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | #include <linux/sunrpc/clnt.h> |
Alexandros Batsakis | 2449ea2 | 2009-12-05 13:36:55 -0500 | [diff] [blame] | 50 | #include <linux/sunrpc/msg_prot.h> |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 51 | #include <linux/sunrpc/gss_api.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | #include <linux/nfs.h> |
| 53 | #include <linux/nfs4.h> |
| 54 | #include <linux/nfs_fs.h> |
| 55 | #include <linux/nfs_idmap.h> |
Chuck Lever | f092075 | 2012-05-21 22:45:41 -0400 | [diff] [blame] | 56 | |
Trond Myklebust | 4ce7971 | 2005-06-22 17:16:21 +0000 | [diff] [blame] | 57 | #include "nfs4_fs.h" |
Alexandros Batsakis | 4882ef7 | 2009-12-05 13:30:21 -0500 | [diff] [blame] | 58 | #include "internal.h" |
Trond Myklebust | 76e697b | 2012-11-26 14:20:49 -0500 | [diff] [blame] | 59 | #include "nfs4session.h" |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 60 | #include "pnfs.h" |
Chuck Lever | f092075 | 2012-05-21 22:45:41 -0400 | [diff] [blame] | 61 | #include "netns.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | |
| 63 | #define NFSDBG_FACILITY NFSDBG_XDR |
| 64 | |
| 65 | /* Mapping from NFS error code to "errno" error code. */ |
| 66 | #define errno_NFSERR_IO EIO |
| 67 | |
David Howells | 0a8ea43 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 68 | static int nfs4_stat_to_errno(int); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | |
| 70 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ |
| 71 | #ifdef DEBUG |
| 72 | #define NFS4_MAXTAGLEN 20 |
| 73 | #else |
| 74 | #define NFS4_MAXTAGLEN 0 |
| 75 | #endif |
| 76 | |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 77 | /* lock,open owner id: |
Trond Myklebust | 9f958ab | 2007-07-02 13:58:33 -0400 | [diff] [blame] | 78 | * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | */ |
Trond Myklebust | 95b72eb | 2012-04-20 19:24:51 -0400 | [diff] [blame] | 80 | #define open_owner_id_maxsz (1 + 2 + 1 + 1 + 2) |
Trond Myklebust | d035c36 | 2010-12-21 10:45:27 -0500 | [diff] [blame] | 81 | #define lock_owner_id_maxsz (1 + 1 + 4) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 82 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
| 84 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
| 85 | #define op_encode_hdr_maxsz (1) |
| 86 | #define op_decode_hdr_maxsz (2) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 87 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
| 88 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
| 89 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) |
| 90 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
| 92 | (NFS4_FHSIZE >> 2)) |
| 93 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) |
| 94 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) |
| 95 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) |
| 96 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) |
| 97 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ |
| 98 | ((3+NFS4_FHSIZE) >> 2)) |
Andy Adamson | e5012d1 | 2011-07-11 17:17:42 -0400 | [diff] [blame] | 99 | #define nfs4_fattr_bitmap_maxsz 4 |
J. Bruce Fields | 9692820 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 100 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
| 102 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) |
Trond Myklebust | bd625ba | 2007-07-08 18:38:23 -0400 | [diff] [blame] | 103 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
| 104 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 105 | #ifdef CONFIG_NFS_V4_SECURITY_LABEL |
| 106 | /* PI(4 bytes) + LFS(4 bytes) + 1(for null terminator?) + MAXLABELLEN */ |
| 107 | #define nfs4_label_maxsz (4 + 4 + 1 + XDR_QUADLEN(NFS4_MAXLABELLEN)) |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 108 | #else |
| 109 | #define nfs4_label_maxsz 0 |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 110 | #endif |
Andy Adamson | 88034c3 | 2012-05-23 05:02:34 -0400 | [diff] [blame] | 111 | /* We support only one layout type per file system */ |
| 112 | #define decode_mdsthreshold_maxsz (1 + 1 + nfs4_fattr_bitmap_maxsz + 1 + 8) |
J. Bruce Fields | 9692820 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 113 | /* This is based on getfattr, which uses the most attributes: */ |
| 114 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ |
Andy Adamson | 88034c3 | 2012-05-23 05:02:34 -0400 | [diff] [blame] | 115 | 3 + 3 + 3 + nfs4_owner_maxsz + \ |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 116 | nfs4_group_maxsz + nfs4_label_maxsz + \ |
| 117 | decode_mdsthreshold_maxsz)) |
J. Bruce Fields | 9692820 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 118 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
| 119 | nfs4_fattr_value_maxsz) |
| 120 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 121 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
| 122 | 1 + 2 + 1 + \ |
| 123 | nfs4_owner_maxsz + \ |
| 124 | nfs4_group_maxsz + \ |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 125 | nfs4_label_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 126 | 4 + 4) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
| 128 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 129 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
| 130 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) |
Fred Isaman | 2f42b5d | 2008-03-13 15:26:30 +0200 | [diff] [blame] | 131 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 132 | /* The 5 accounts for the PNFS attributes, and assumes that at most three |
| 133 | * layout types will be returned. |
| 134 | */ |
| 135 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \ |
| 136 | nfs4_fattr_bitmap_maxsz + 4 + 8 + 5) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) |
| 138 | #define decode_renew_maxsz (op_decode_hdr_maxsz) |
| 139 | #define encode_setclientid_maxsz \ |
| 140 | (op_encode_hdr_maxsz + \ |
Chuck Lever | cc38bac | 2007-12-10 14:56:54 -0500 | [diff] [blame] | 141 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
| 142 | XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ |
| 143 | 1 /* sc_prog */ + \ |
| 144 | XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ |
| 145 | XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ |
| 146 | 1) /* sc_cb_ident */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | #define decode_setclientid_maxsz \ |
| 148 | (op_decode_hdr_maxsz + \ |
| 149 | 2 + \ |
| 150 | 1024) /* large value for CLID_INUSE */ |
| 151 | #define encode_setclientid_confirm_maxsz \ |
| 152 | (op_encode_hdr_maxsz + \ |
| 153 | 3 + (NFS4_VERIFIER_SIZE >> 2)) |
| 154 | #define decode_setclientid_confirm_maxsz \ |
| 155 | (op_decode_hdr_maxsz) |
Trond Myklebust | e688962 | 2007-07-02 13:58:30 -0400 | [diff] [blame] | 156 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
| 157 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 158 | #define encode_share_access_maxsz \ |
| 159 | (2) |
Alexandros Batsakis | 4882ef7 | 2009-12-05 13:30:21 -0500 | [diff] [blame] | 160 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz) |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 161 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
| 162 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) |
| 163 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ |
| 164 | 2 + encode_share_access_maxsz + 2 + \ |
| 165 | open_owner_id_maxsz + \ |
| 166 | encode_opentype_maxsz + \ |
| 167 | encode_claim_null_maxsz) |
| 168 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 169 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 170 | decode_ace_maxsz) |
| 171 | #define decode_change_info_maxsz (5) |
| 172 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 173 | decode_stateid_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 174 | decode_change_info_maxsz + 1 + \ |
| 175 | nfs4_fattr_bitmap_maxsz + \ |
| 176 | decode_delegation_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 177 | #define encode_open_confirm_maxsz \ |
| 178 | (op_encode_hdr_maxsz + \ |
| 179 | encode_stateid_maxsz + 1) |
| 180 | #define decode_open_confirm_maxsz \ |
| 181 | (op_decode_hdr_maxsz + \ |
| 182 | decode_stateid_maxsz) |
| 183 | #define encode_open_downgrade_maxsz \ |
| 184 | (op_encode_hdr_maxsz + \ |
| 185 | encode_stateid_maxsz + 1 + \ |
| 186 | encode_share_access_maxsz) |
| 187 | #define decode_open_downgrade_maxsz \ |
| 188 | (op_decode_hdr_maxsz + \ |
| 189 | decode_stateid_maxsz) |
| 190 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ |
| 191 | 1 + encode_stateid_maxsz) |
| 192 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ |
| 193 | decode_stateid_maxsz) |
| 194 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ |
| 195 | encode_stateid_maxsz + \ |
| 196 | encode_attrs_maxsz) |
| 197 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ |
| 198 | nfs4_fattr_bitmap_maxsz) |
| 199 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ |
| 200 | encode_stateid_maxsz + 3) |
| 201 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2) |
| 202 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 203 | 2 + encode_verifier_maxsz + 5 + \ |
| 204 | nfs4_label_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 205 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ |
Chuck Lever | a7697f6 | 2014-03-12 12:51:17 -0400 | [diff] [blame] | 206 | decode_verifier_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 207 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) |
| 208 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) |
| 209 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ |
| 210 | encode_stateid_maxsz + 4) |
| 211 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ |
| 212 | 2 + decode_verifier_maxsz) |
| 213 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) |
| 214 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ |
| 215 | decode_verifier_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 216 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
| 217 | nfs4_name_maxsz) |
Benny Halevy | 6ce1839 | 2009-04-01 09:22:06 -0400 | [diff] [blame] | 218 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
| 219 | decode_change_info_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
| 221 | 2 * nfs4_name_maxsz) |
Benny Halevy | 6ce1839 | 2009-04-01 09:22:06 -0400 | [diff] [blame] | 222 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
| 223 | decode_change_info_maxsz + \ |
| 224 | decode_change_info_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 225 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
| 226 | nfs4_name_maxsz) |
Benny Halevy | 6ce1839 | 2009-04-01 09:22:06 -0400 | [diff] [blame] | 227 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
Trond Myklebust | daccbde | 2010-06-25 18:11:43 -0400 | [diff] [blame] | 228 | #define encode_lockowner_maxsz (7) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 229 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
| 230 | 7 + \ |
Trond Myklebust | daccbde | 2010-06-25 18:11:43 -0400 | [diff] [blame] | 231 | 1 + encode_stateid_maxsz + 1 + \ |
| 232 | encode_lockowner_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 233 | #define decode_lock_denied_maxsz \ |
| 234 | (8 + decode_lockowner_maxsz) |
| 235 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ |
| 236 | decode_lock_denied_maxsz) |
Trond Myklebust | daccbde | 2010-06-25 18:11:43 -0400 | [diff] [blame] | 237 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
| 238 | encode_lockowner_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 239 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
| 240 | decode_lock_denied_maxsz) |
| 241 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ |
| 242 | encode_stateid_maxsz + \ |
| 243 | 4) |
| 244 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ |
| 245 | decode_stateid_maxsz) |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 246 | #define encode_release_lockowner_maxsz \ |
| 247 | (op_encode_hdr_maxsz + \ |
| 248 | encode_lockowner_maxsz) |
| 249 | #define decode_release_lockowner_maxsz \ |
| 250 | (op_decode_hdr_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 251 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
| 252 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
| 254 | 1 + nfs4_name_maxsz + \ |
Chuck Lever | 94a6d75 | 2006-08-22 20:06:23 -0400 | [diff] [blame] | 255 | 1 + \ |
J. Bruce Fields | 9692820 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 256 | nfs4_fattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
| 258 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 259 | 1 + 2 + nfs4_name_maxsz + \ |
| 260 | encode_attrs_maxsz) |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 261 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
| 262 | decode_change_info_maxsz + \ |
| 263 | nfs4_fattr_bitmap_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 264 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
| 265 | #define decode_statfs_maxsz (decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
| 267 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 268 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
| 269 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ |
| 270 | nfs4_fattr_bitmap_maxsz + 1) |
| 271 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ |
| 272 | encode_stateid_maxsz + 3) |
| 273 | #define decode_setacl_maxsz (decode_setattr_maxsz) |
Trond Myklebust | e688962 | 2007-07-02 13:58:30 -0400 | [diff] [blame] | 274 | #define encode_fs_locations_maxsz \ |
| 275 | (encode_getattr_maxsz) |
| 276 | #define decode_fs_locations_maxsz \ |
| 277 | (0) |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 278 | #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
Bryan Schumaker | 1650add | 2011-06-02 15:07:35 -0400 | [diff] [blame] | 279 | #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4)) |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 280 | |
| 281 | #if defined(CONFIG_NFS_V4_1) |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 282 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
Jim Rees | d751f74 | 2012-11-16 18:12:06 -0500 | [diff] [blame] | 283 | #define IMPL_NAME_LIMIT (sizeof(utsname()->sysname) + sizeof(utsname()->release) + \ |
| 284 | sizeof(utsname()->version) + sizeof(utsname()->machine) + 8) |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 285 | |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 286 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
| 287 | encode_verifier_maxsz + \ |
| 288 | 1 /* co_ownerid.len */ + \ |
| 289 | XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \ |
| 290 | 1 /* flags */ + \ |
| 291 | 1 /* spa_how */ + \ |
Weston Andros Adamson | 2031cd1 | 2013-08-13 16:37:32 -0400 | [diff] [blame] | 292 | /* max is SP4_MACH_CRED (for now) */ + \ |
| 293 | 1 + NFS4_OP_MAP_NUM_WORDS + \ |
| 294 | 1 + NFS4_OP_MAP_NUM_WORDS + \ |
Weston Andros Adamson | db8ac8b | 2012-02-17 15:20:24 -0500 | [diff] [blame] | 295 | 1 /* implementation id array of size 1 */ + \ |
| 296 | 1 /* nii_domain */ + \ |
| 297 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ |
| 298 | 1 /* nii_name */ + \ |
Jim Rees | d751f74 | 2012-11-16 18:12:06 -0500 | [diff] [blame] | 299 | XDR_QUADLEN(IMPL_NAME_LIMIT) + \ |
Weston Andros Adamson | db8ac8b | 2012-02-17 15:20:24 -0500 | [diff] [blame] | 300 | 3 /* nii_date */) |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 301 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ |
| 302 | 2 /* eir_clientid */ + \ |
| 303 | 1 /* eir_sequenceid */ + \ |
| 304 | 1 /* eir_flags */ + \ |
| 305 | 1 /* spr_how */ + \ |
Weston Andros Adamson | 2031cd1 | 2013-08-13 16:37:32 -0400 | [diff] [blame] | 306 | /* max is SP4_MACH_CRED (for now) */ + \ |
| 307 | 1 + NFS4_OP_MAP_NUM_WORDS + \ |
| 308 | 1 + NFS4_OP_MAP_NUM_WORDS + \ |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 309 | 2 /* eir_server_owner.so_minor_id */ + \ |
| 310 | /* eir_server_owner.so_major_id<> */ \ |
| 311 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ |
| 312 | /* eir_server_scope<> */ \ |
| 313 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ |
| 314 | 1 /* eir_server_impl_id array length */ + \ |
Weston Andros Adamson | 7d2ed9a | 2012-02-17 15:20:26 -0500 | [diff] [blame] | 315 | 1 /* nii_domain */ + \ |
| 316 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ |
| 317 | 1 /* nii_name */ + \ |
| 318 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ |
| 319 | 3 /* nii_date */) |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 320 | #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) |
| 321 | #define decode_channel_attrs_maxsz (6 + \ |
| 322 | 1 /* ca_rdma_ird.len */ + \ |
| 323 | 1 /* ca_rdma_ird */) |
| 324 | #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ |
| 325 | 2 /* csa_clientid */ + \ |
| 326 | 1 /* csa_sequence */ + \ |
| 327 | 1 /* csa_flags */ + \ |
| 328 | encode_channel_attrs_maxsz + \ |
| 329 | encode_channel_attrs_maxsz + \ |
| 330 | 1 /* csa_cb_program */ + \ |
| 331 | 1 /* csa_sec_parms.len (1) */ + \ |
| 332 | 1 /* cb_secflavor (AUTH_SYS) */ + \ |
| 333 | 1 /* stamp */ + \ |
| 334 | 1 /* machinename.len */ + \ |
| 335 | XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ |
| 336 | 1 /* uid */ + \ |
| 337 | 1 /* gid */ + \ |
| 338 | 1 /* gids.len (0) */) |
| 339 | #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ |
| 340 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ |
| 341 | 1 /* csr_sequence */ + \ |
| 342 | 1 /* csr_flags */ + \ |
| 343 | decode_channel_attrs_maxsz + \ |
| 344 | decode_channel_attrs_maxsz) |
Weston Andros Adamson | 7c44f1ae | 2012-05-24 13:22:50 -0400 | [diff] [blame] | 345 | #define encode_bind_conn_to_session_maxsz (op_encode_hdr_maxsz + \ |
| 346 | /* bctsa_sessid */ \ |
| 347 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ |
| 348 | 1 /* bctsa_dir */ + \ |
| 349 | 1 /* bctsa_use_conn_in_rdma_mode */) |
| 350 | #define decode_bind_conn_to_session_maxsz (op_decode_hdr_maxsz + \ |
| 351 | /* bctsr_sessid */ \ |
| 352 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ |
| 353 | 1 /* bctsr_dir */ + \ |
| 354 | 1 /* bctsr_use_conn_in_rdma_mode */) |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 355 | #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) |
| 356 | #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) |
Trond Myklebust | 6624553 | 2012-05-25 17:18:09 -0400 | [diff] [blame] | 357 | #define encode_destroy_clientid_maxsz (op_encode_hdr_maxsz + 2) |
| 358 | #define decode_destroy_clientid_maxsz (op_decode_hdr_maxsz) |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 359 | #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ |
| 360 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) |
| 361 | #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ |
| 362 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 363 | #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) |
| 364 | #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) |
Andy Adamson | 7f11d8d | 2011-07-30 20:52:35 -0400 | [diff] [blame] | 365 | #define encode_getdevicelist_maxsz (op_encode_hdr_maxsz + 4 + \ |
| 366 | encode_verifier_maxsz) |
| 367 | #define decode_getdevicelist_maxsz (op_decode_hdr_maxsz + \ |
| 368 | 2 /* nfs_cookie4 gdlr_cookie */ + \ |
| 369 | decode_verifier_maxsz \ |
| 370 | /* verifier4 gdlr_verifier */ + \ |
| 371 | 1 /* gdlr_deviceid_list count */ + \ |
| 372 | XDR_QUADLEN(NFS4_PNFS_GETDEVLIST_MAXNUM * \ |
| 373 | NFS4_DEVICEID4_SIZE) \ |
| 374 | /* gdlr_deviceid_list */ + \ |
| 375 | 1 /* bool gdlr_eof */) |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 376 | #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \ |
| 377 | XDR_QUADLEN(NFS4_DEVICEID4_SIZE)) |
| 378 | #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \ |
| 379 | 1 /* layout type */ + \ |
| 380 | 1 /* opaque devaddr4 length */ + \ |
| 381 | /* devaddr4 payload is read into page */ \ |
| 382 | 1 /* notification bitmap length */ + \ |
| 383 | 1 /* notification bitmap */) |
| 384 | #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \ |
| 385 | encode_stateid_maxsz) |
| 386 | #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \ |
| 387 | decode_stateid_maxsz + \ |
| 388 | XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE)) |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 389 | #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \ |
| 390 | 2 /* offset */ + \ |
| 391 | 2 /* length */ + \ |
| 392 | 1 /* reclaim */ + \ |
| 393 | encode_stateid_maxsz + \ |
| 394 | 1 /* new offset (true) */ + \ |
| 395 | 2 /* last byte written */ + \ |
| 396 | 1 /* nt_timechanged (false) */ + \ |
| 397 | 1 /* layoutupdate4 layout type */ + \ |
Christoph Hellwig | 5f919c9 | 2014-08-21 11:09:25 -0500 | [diff] [blame^] | 398 | 1 /* layoutupdate4 opaqueue len */) |
| 399 | /* the actual content of layoutupdate4 should |
| 400 | be allocated by drivers and spliced in |
| 401 | using xdr_write_pages */ |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 402 | #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3) |
Benny Halevy | cbe8260 | 2011-05-22 19:52:37 +0300 | [diff] [blame] | 403 | #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \ |
| 404 | encode_stateid_maxsz + \ |
| 405 | 1 /* FIXME: opaque lrf_body always empty at the moment */) |
| 406 | #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \ |
| 407 | 1 + decode_stateid_maxsz) |
Bryan Schumaker | fca78d6 | 2011-06-02 14:59:07 -0400 | [diff] [blame] | 408 | #define encode_secinfo_no_name_maxsz (op_encode_hdr_maxsz + 1) |
| 409 | #define decode_secinfo_no_name_maxsz decode_secinfo_maxsz |
Bryan Schumaker | 7d97479 | 2011-06-02 14:59:08 -0400 | [diff] [blame] | 410 | #define encode_test_stateid_maxsz (op_encode_hdr_maxsz + 2 + \ |
| 411 | XDR_QUADLEN(NFS4_STATEID_SIZE)) |
| 412 | #define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1) |
Bryan Schumaker | 9aeda35 | 2011-06-02 14:59:09 -0400 | [diff] [blame] | 413 | #define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \ |
| 414 | XDR_QUADLEN(NFS4_STATEID_SIZE)) |
Andy Adamson | 9f79fb4 | 2013-09-10 12:56:29 -0400 | [diff] [blame] | 415 | #define decode_free_stateid_maxsz (op_decode_hdr_maxsz) |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 416 | #else /* CONFIG_NFS_V4_1 */ |
| 417 | #define encode_sequence_maxsz 0 |
| 418 | #define decode_sequence_maxsz 0 |
| 419 | #endif /* CONFIG_NFS_V4_1 */ |
| 420 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 421 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
| 422 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ |
| 423 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 424 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 426 | encode_read_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 427 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 428 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 430 | decode_read_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 431 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 432 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 433 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 434 | encode_readlink_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 436 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 438 | decode_readlink_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 439 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 440 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 441 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 442 | encode_readdir_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 443 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 444 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 445 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 446 | decode_readdir_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 447 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 448 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 450 | encode_write_maxsz + \ |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 451 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 452 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 453 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 454 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 455 | decode_write_maxsz + \ |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 456 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 458 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 459 | encode_putfh_maxsz + \ |
Trond Myklebust | 8582715 | 2012-04-29 10:44:42 -0400 | [diff] [blame] | 460 | encode_commit_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 462 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 463 | decode_putfh_maxsz + \ |
Trond Myklebust | 8582715 | 2012-04-29 10:44:42 -0400 | [diff] [blame] | 464 | decode_commit_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 466 | encode_sequence_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 467 | encode_putfh_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 468 | encode_open_maxsz + \ |
Weston Andros Adamson | 6168f62 | 2012-09-10 14:00:46 -0400 | [diff] [blame] | 469 | encode_access_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 470 | encode_getfh_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 471 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 472 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 473 | decode_sequence_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 474 | decode_putfh_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 475 | decode_open_maxsz + \ |
Weston Andros Adamson | 6168f62 | 2012-09-10 14:00:46 -0400 | [diff] [blame] | 476 | decode_access_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 477 | decode_getfh_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 478 | decode_getattr_maxsz) |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 479 | #define NFS4_enc_open_confirm_sz \ |
| 480 | (compound_encode_hdr_maxsz + \ |
| 481 | encode_putfh_maxsz + \ |
| 482 | encode_open_confirm_maxsz) |
| 483 | #define NFS4_dec_open_confirm_sz \ |
| 484 | (compound_decode_hdr_maxsz + \ |
| 485 | decode_putfh_maxsz + \ |
| 486 | decode_open_confirm_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 488 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 489 | encode_putfh_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 490 | encode_open_maxsz + \ |
Weston Andros Adamson | 6168f62 | 2012-09-10 14:00:46 -0400 | [diff] [blame] | 491 | encode_access_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 492 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 493 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 494 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 495 | decode_putfh_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 496 | decode_open_maxsz + \ |
Weston Andros Adamson | 6168f62 | 2012-09-10 14:00:46 -0400 | [diff] [blame] | 497 | decode_access_maxsz + \ |
Trond Myklebust | 2cebf82 | 2007-07-02 13:57:28 -0400 | [diff] [blame] | 498 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 499 | #define NFS4_enc_open_downgrade_sz \ |
| 500 | (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 501 | encode_sequence_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 502 | encode_putfh_maxsz + \ |
| 503 | encode_open_downgrade_maxsz + \ |
| 504 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 505 | #define NFS4_dec_open_downgrade_sz \ |
| 506 | (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 507 | decode_sequence_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 508 | decode_putfh_maxsz + \ |
| 509 | decode_open_downgrade_maxsz + \ |
| 510 | decode_getattr_maxsz) |
| 511 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 512 | encode_sequence_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 513 | encode_putfh_maxsz + \ |
| 514 | encode_close_maxsz + \ |
| 515 | encode_getattr_maxsz) |
| 516 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 517 | decode_sequence_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 518 | decode_putfh_maxsz + \ |
| 519 | decode_close_maxsz + \ |
| 520 | decode_getattr_maxsz) |
| 521 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 522 | encode_sequence_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 523 | encode_putfh_maxsz + \ |
| 524 | encode_setattr_maxsz + \ |
| 525 | encode_getattr_maxsz) |
| 526 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 527 | decode_sequence_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 528 | decode_putfh_maxsz + \ |
| 529 | decode_setattr_maxsz + \ |
| 530 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 532 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 533 | encode_putfh_maxsz + \ |
| 534 | encode_fsinfo_maxsz) |
| 535 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 536 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 537 | decode_putfh_maxsz + \ |
| 538 | decode_fsinfo_maxsz) |
| 539 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ |
| 540 | encode_renew_maxsz) |
| 541 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ |
| 542 | decode_renew_maxsz) |
| 543 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ |
| 544 | encode_setclientid_maxsz) |
| 545 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ |
| 546 | decode_setclientid_maxsz) |
| 547 | #define NFS4_enc_setclientid_confirm_sz \ |
| 548 | (compound_encode_hdr_maxsz + \ |
Chuck Lever | 83ca7f5 | 2013-03-16 15:55:53 -0400 | [diff] [blame] | 549 | encode_setclientid_confirm_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 550 | #define NFS4_dec_setclientid_confirm_sz \ |
| 551 | (compound_decode_hdr_maxsz + \ |
Chuck Lever | 83ca7f5 | 2013-03-16 15:55:53 -0400 | [diff] [blame] | 552 | decode_setclientid_confirm_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 553 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 554 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 555 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 556 | encode_lock_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 557 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 558 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 559 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 560 | decode_lock_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 561 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 562 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 563 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 564 | encode_lockt_maxsz) |
| 565 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 566 | decode_sequence_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 567 | decode_putfh_maxsz + \ |
| 568 | decode_lockt_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 569 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 570 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 571 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 572 | encode_locku_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 573 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 574 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 575 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 576 | decode_locku_maxsz) |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 577 | #define NFS4_enc_release_lockowner_sz \ |
| 578 | (compound_encode_hdr_maxsz + \ |
| 579 | encode_lockowner_maxsz) |
| 580 | #define NFS4_dec_release_lockowner_sz \ |
| 581 | (compound_decode_hdr_maxsz + \ |
| 582 | decode_lockowner_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 583 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 584 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 585 | encode_putfh_maxsz + \ |
Trond Myklebust | 76b3299 | 2007-08-10 17:45:11 -0400 | [diff] [blame] | 586 | encode_access_maxsz + \ |
| 587 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 588 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 589 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 590 | decode_putfh_maxsz + \ |
Trond Myklebust | 76b3299 | 2007-08-10 17:45:11 -0400 | [diff] [blame] | 591 | decode_access_maxsz + \ |
| 592 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 593 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 594 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 595 | encode_putfh_maxsz + \ |
Chuck Lever | 44c9993 | 2013-10-17 14:13:30 -0400 | [diff] [blame] | 596 | encode_getattr_maxsz + \ |
| 597 | encode_renew_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 598 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 599 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 600 | decode_putfh_maxsz + \ |
Chuck Lever | 44c9993 | 2013-10-17 14:13:30 -0400 | [diff] [blame] | 601 | decode_getattr_maxsz + \ |
| 602 | decode_renew_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 603 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 604 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 605 | encode_putfh_maxsz + \ |
| 606 | encode_lookup_maxsz + \ |
| 607 | encode_getattr_maxsz + \ |
| 608 | encode_getfh_maxsz) |
| 609 | #define NFS4_dec_lookup_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 | e688962 | 2007-07-02 13:58:30 -0400 | [diff] [blame] | 612 | decode_lookup_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 613 | decode_getattr_maxsz + \ |
| 614 | decode_getfh_maxsz) |
| 615 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 616 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 617 | encode_putrootfh_maxsz + \ |
| 618 | encode_getattr_maxsz + \ |
| 619 | encode_getfh_maxsz) |
| 620 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 621 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 622 | decode_putrootfh_maxsz + \ |
| 623 | decode_getattr_maxsz + \ |
| 624 | decode_getfh_maxsz) |
| 625 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 626 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 627 | encode_putfh_maxsz + \ |
Trond Myklebust | 778d281 | 2012-04-27 13:48:19 -0400 | [diff] [blame] | 628 | encode_remove_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 629 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 630 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 631 | decode_putfh_maxsz + \ |
Trond Myklebust | 778d281 | 2012-04-27 13:48:19 -0400 | [diff] [blame] | 632 | decode_remove_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 633 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 634 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 635 | encode_putfh_maxsz + \ |
| 636 | encode_savefh_maxsz + \ |
| 637 | encode_putfh_maxsz + \ |
Trond Myklebust | 778d281 | 2012-04-27 13:48:19 -0400 | [diff] [blame] | 638 | encode_rename_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 639 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 640 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 641 | decode_putfh_maxsz + \ |
| 642 | decode_savefh_maxsz + \ |
| 643 | decode_putfh_maxsz + \ |
Trond Myklebust | 778d281 | 2012-04-27 13:48:19 -0400 | [diff] [blame] | 644 | decode_rename_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 645 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 646 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 647 | encode_putfh_maxsz + \ |
| 648 | encode_savefh_maxsz + \ |
| 649 | encode_putfh_maxsz + \ |
Trond Myklebust | 91ba2ee | 2005-10-27 22:12:42 -0400 | [diff] [blame] | 650 | encode_link_maxsz + \ |
Trond Myklebust | 91ba2ee | 2005-10-27 22:12:42 -0400 | [diff] [blame] | 651 | encode_restorefh_maxsz + \ |
Trond Myklebust | a9f6991 | 2012-04-27 13:48:17 -0400 | [diff] [blame] | 652 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 653 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 654 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 655 | decode_putfh_maxsz + \ |
| 656 | decode_savefh_maxsz + \ |
| 657 | decode_putfh_maxsz + \ |
Trond Myklebust | 91ba2ee | 2005-10-27 22:12:42 -0400 | [diff] [blame] | 658 | decode_link_maxsz + \ |
Trond Myklebust | 91ba2ee | 2005-10-27 22:12:42 -0400 | [diff] [blame] | 659 | decode_restorefh_maxsz + \ |
| 660 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 661 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 662 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 663 | encode_putfh_maxsz + \ |
| 664 | encode_symlink_maxsz + \ |
| 665 | encode_getattr_maxsz + \ |
| 666 | encode_getfh_maxsz) |
| 667 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 668 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 669 | decode_putfh_maxsz + \ |
| 670 | decode_symlink_maxsz + \ |
| 671 | decode_getattr_maxsz + \ |
| 672 | decode_getfh_maxsz) |
| 673 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 674 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 675 | encode_putfh_maxsz + \ |
| 676 | encode_create_maxsz + \ |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 677 | encode_getfh_maxsz + \ |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 678 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 679 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 680 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | decode_putfh_maxsz + \ |
| 682 | decode_create_maxsz + \ |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 683 | decode_getfh_maxsz + \ |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 684 | decode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 685 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 686 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 687 | encode_putfh_maxsz + \ |
| 688 | encode_getattr_maxsz) |
| 689 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 690 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 691 | decode_putfh_maxsz + \ |
| 692 | decode_getattr_maxsz) |
| 693 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 694 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 695 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 696 | encode_statfs_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 698 | decode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 699 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 700 | decode_statfs_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 701 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 702 | encode_sequence_maxsz + \ |
Trond Myklebust | ab91f26 | 2007-02-02 14:47:17 -0800 | [diff] [blame] | 703 | encode_putfh_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 704 | encode_getattr_maxsz) |
| 705 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 706 | decode_sequence_maxsz + \ |
Trond Myklebust | ab91f26 | 2007-02-02 14:47:17 -0800 | [diff] [blame] | 707 | decode_putfh_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 708 | decode_getattr_maxsz) |
| 709 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 710 | encode_sequence_maxsz + \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 711 | encode_putfh_maxsz + \ |
Trond Myklebust | fa178f2 | 2006-01-03 09:55:38 +0100 | [diff] [blame] | 712 | encode_delegreturn_maxsz + \ |
| 713 | encode_getattr_maxsz) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 714 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 715 | decode_sequence_maxsz + \ |
Trond Myklebust | fa178f2 | 2006-01-03 09:55:38 +0100 | [diff] [blame] | 716 | decode_delegreturn_maxsz + \ |
| 717 | decode_getattr_maxsz) |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 718 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 719 | encode_sequence_maxsz + \ |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 720 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 721 | encode_getacl_maxsz) |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 722 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 723 | decode_sequence_maxsz + \ |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 724 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 725 | decode_getacl_maxsz) |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 726 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 727 | encode_sequence_maxsz + \ |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 728 | encode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 729 | encode_setacl_maxsz) |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 730 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 731 | decode_sequence_maxsz + \ |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 732 | decode_putfh_maxsz + \ |
Trond Myklebust | 9104a55 | 2007-07-17 21:52:42 -0400 | [diff] [blame] | 733 | decode_setacl_maxsz) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 734 | #define NFS4_enc_fs_locations_sz \ |
| 735 | (compound_encode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 736 | encode_sequence_maxsz + \ |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 737 | encode_putfh_maxsz + \ |
Trond Myklebust | e688962 | 2007-07-02 13:58:30 -0400 | [diff] [blame] | 738 | encode_lookup_maxsz + \ |
Chuck Lever | b03d735 | 2013-10-17 14:12:50 -0400 | [diff] [blame] | 739 | encode_fs_locations_maxsz + \ |
| 740 | encode_renew_maxsz) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 741 | #define NFS4_dec_fs_locations_sz \ |
| 742 | (compound_decode_hdr_maxsz + \ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 743 | decode_sequence_maxsz + \ |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 744 | decode_putfh_maxsz + \ |
Trond Myklebust | e688962 | 2007-07-02 13:58:30 -0400 | [diff] [blame] | 745 | decode_lookup_maxsz + \ |
Chuck Lever | b03d735 | 2013-10-17 14:12:50 -0400 | [diff] [blame] | 746 | decode_fs_locations_maxsz + \ |
| 747 | decode_renew_maxsz) |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 748 | #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ |
| 749 | encode_sequence_maxsz + \ |
| 750 | encode_putfh_maxsz + \ |
| 751 | encode_secinfo_maxsz) |
| 752 | #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ |
| 753 | decode_sequence_maxsz + \ |
| 754 | decode_putfh_maxsz + \ |
| 755 | decode_secinfo_maxsz) |
Chuck Lever | 44c9993 | 2013-10-17 14:13:30 -0400 | [diff] [blame] | 756 | #define NFS4_enc_fsid_present_sz \ |
| 757 | (compound_encode_hdr_maxsz + \ |
| 758 | encode_sequence_maxsz + \ |
| 759 | encode_putfh_maxsz + \ |
| 760 | encode_getfh_maxsz + \ |
| 761 | encode_renew_maxsz) |
| 762 | #define NFS4_dec_fsid_present_sz \ |
| 763 | (compound_decode_hdr_maxsz + \ |
| 764 | decode_sequence_maxsz + \ |
| 765 | decode_putfh_maxsz + \ |
| 766 | decode_getfh_maxsz + \ |
| 767 | decode_renew_maxsz) |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 768 | #if defined(CONFIG_NFS_V4_1) |
Weston Andros Adamson | 7c44f1ae | 2012-05-24 13:22:50 -0400 | [diff] [blame] | 769 | #define NFS4_enc_bind_conn_to_session_sz \ |
| 770 | (compound_encode_hdr_maxsz + \ |
| 771 | encode_bind_conn_to_session_maxsz) |
| 772 | #define NFS4_dec_bind_conn_to_session_sz \ |
| 773 | (compound_decode_hdr_maxsz + \ |
| 774 | decode_bind_conn_to_session_maxsz) |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 775 | #define NFS4_enc_exchange_id_sz \ |
| 776 | (compound_encode_hdr_maxsz + \ |
| 777 | encode_exchange_id_maxsz) |
| 778 | #define NFS4_dec_exchange_id_sz \ |
| 779 | (compound_decode_hdr_maxsz + \ |
| 780 | decode_exchange_id_maxsz) |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 781 | #define NFS4_enc_create_session_sz \ |
| 782 | (compound_encode_hdr_maxsz + \ |
| 783 | encode_create_session_maxsz) |
| 784 | #define NFS4_dec_create_session_sz \ |
| 785 | (compound_decode_hdr_maxsz + \ |
| 786 | decode_create_session_maxsz) |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 787 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
| 788 | encode_destroy_session_maxsz) |
| 789 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ |
| 790 | decode_destroy_session_maxsz) |
Trond Myklebust | 6624553 | 2012-05-25 17:18:09 -0400 | [diff] [blame] | 791 | #define NFS4_enc_destroy_clientid_sz (compound_encode_hdr_maxsz + \ |
| 792 | encode_destroy_clientid_maxsz) |
| 793 | #define NFS4_dec_destroy_clientid_sz (compound_decode_hdr_maxsz + \ |
| 794 | decode_destroy_clientid_maxsz) |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 795 | #define NFS4_enc_sequence_sz \ |
| 796 | (compound_decode_hdr_maxsz + \ |
| 797 | encode_sequence_maxsz) |
| 798 | #define NFS4_dec_sequence_sz \ |
| 799 | (compound_decode_hdr_maxsz + \ |
| 800 | decode_sequence_maxsz) |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 801 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
| 802 | encode_sequence_maxsz + \ |
| 803 | encode_putrootfh_maxsz + \ |
| 804 | encode_fsinfo_maxsz) |
| 805 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ |
| 806 | decode_sequence_maxsz + \ |
| 807 | decode_putrootfh_maxsz + \ |
| 808 | decode_fsinfo_maxsz) |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 809 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
| 810 | encode_sequence_maxsz + \ |
| 811 | encode_reclaim_complete_maxsz) |
| 812 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ |
| 813 | decode_sequence_maxsz + \ |
| 814 | decode_reclaim_complete_maxsz) |
Andy Adamson | 7f11d8d | 2011-07-30 20:52:35 -0400 | [diff] [blame] | 815 | #define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \ |
| 816 | encode_sequence_maxsz + \ |
| 817 | encode_putfh_maxsz + \ |
| 818 | encode_getdevicelist_maxsz) |
| 819 | #define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \ |
| 820 | decode_sequence_maxsz + \ |
| 821 | decode_putfh_maxsz + \ |
| 822 | decode_getdevicelist_maxsz) |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 823 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
| 824 | encode_sequence_maxsz +\ |
| 825 | encode_getdeviceinfo_maxsz) |
| 826 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ |
| 827 | decode_sequence_maxsz + \ |
| 828 | decode_getdeviceinfo_maxsz) |
| 829 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ |
| 830 | encode_sequence_maxsz + \ |
| 831 | encode_putfh_maxsz + \ |
| 832 | encode_layoutget_maxsz) |
| 833 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ |
| 834 | decode_sequence_maxsz + \ |
| 835 | decode_putfh_maxsz + \ |
| 836 | decode_layoutget_maxsz) |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 837 | #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ |
| 838 | encode_sequence_maxsz +\ |
| 839 | encode_putfh_maxsz + \ |
| 840 | encode_layoutcommit_maxsz + \ |
| 841 | encode_getattr_maxsz) |
| 842 | #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ |
| 843 | decode_sequence_maxsz + \ |
| 844 | decode_putfh_maxsz + \ |
| 845 | decode_layoutcommit_maxsz + \ |
| 846 | decode_getattr_maxsz) |
Benny Halevy | cbe8260 | 2011-05-22 19:52:37 +0300 | [diff] [blame] | 847 | #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \ |
| 848 | encode_sequence_maxsz + \ |
| 849 | encode_putfh_maxsz + \ |
| 850 | encode_layoutreturn_maxsz) |
| 851 | #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \ |
| 852 | decode_sequence_maxsz + \ |
| 853 | decode_putfh_maxsz + \ |
| 854 | decode_layoutreturn_maxsz) |
Bryan Schumaker | fca78d6 | 2011-06-02 14:59:07 -0400 | [diff] [blame] | 855 | #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \ |
| 856 | encode_sequence_maxsz + \ |
| 857 | encode_putrootfh_maxsz +\ |
| 858 | encode_secinfo_no_name_maxsz) |
| 859 | #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \ |
| 860 | decode_sequence_maxsz + \ |
| 861 | decode_putrootfh_maxsz + \ |
| 862 | decode_secinfo_no_name_maxsz) |
Bryan Schumaker | 7d97479 | 2011-06-02 14:59:08 -0400 | [diff] [blame] | 863 | #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \ |
| 864 | encode_sequence_maxsz + \ |
| 865 | encode_test_stateid_maxsz) |
| 866 | #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \ |
| 867 | decode_sequence_maxsz + \ |
| 868 | decode_test_stateid_maxsz) |
Bryan Schumaker | 9aeda35 | 2011-06-02 14:59:09 -0400 | [diff] [blame] | 869 | #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \ |
| 870 | encode_sequence_maxsz + \ |
| 871 | encode_free_stateid_maxsz) |
| 872 | #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \ |
| 873 | decode_sequence_maxsz + \ |
| 874 | decode_free_stateid_maxsz) |
Alexandros Batsakis | 2449ea2 | 2009-12-05 13:36:55 -0500 | [diff] [blame] | 875 | |
| 876 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + |
| 877 | compound_encode_hdr_maxsz + |
| 878 | encode_sequence_maxsz + |
| 879 | encode_putfh_maxsz + |
| 880 | encode_getattr_maxsz) * |
| 881 | XDR_UNIT); |
| 882 | |
| 883 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + |
| 884 | compound_decode_hdr_maxsz + |
| 885 | decode_sequence_maxsz + |
| 886 | decode_putfh_maxsz) * |
| 887 | XDR_UNIT); |
Andy Adamson | f1c097b | 2013-06-25 19:02:53 -0400 | [diff] [blame] | 888 | |
| 889 | const u32 nfs41_maxgetdevinfo_overhead = ((RPC_MAX_REPHEADER_WITH_AUTH + |
| 890 | compound_decode_hdr_maxsz + |
| 891 | decode_sequence_maxsz) * |
| 892 | XDR_UNIT); |
| 893 | EXPORT_SYMBOL_GPL(nfs41_maxgetdevinfo_overhead); |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 894 | #endif /* CONFIG_NFS_V4_1 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 895 | |
Trond Myklebust | bca7947 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 896 | static const umode_t nfs_type2fmt[] = { |
| 897 | [NF4BAD] = 0, |
| 898 | [NF4REG] = S_IFREG, |
| 899 | [NF4DIR] = S_IFDIR, |
| 900 | [NF4BLK] = S_IFBLK, |
| 901 | [NF4CHR] = S_IFCHR, |
| 902 | [NF4LNK] = S_IFLNK, |
| 903 | [NF4SOCK] = S_IFSOCK, |
| 904 | [NF4FIFO] = S_IFIFO, |
| 905 | [NF4ATTRDIR] = 0, |
| 906 | [NF4NAMEDATTR] = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 907 | }; |
| 908 | |
| 909 | struct compound_hdr { |
| 910 | int32_t status; |
| 911 | uint32_t nops; |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 912 | __be32 * nops_p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 913 | uint32_t taglen; |
| 914 | char * tag; |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 915 | uint32_t replen; /* expected reply words */ |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 916 | u32 minorversion; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 917 | }; |
| 918 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 919 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
| 920 | { |
| 921 | __be32 *p = xdr_reserve_space(xdr, nbytes); |
| 922 | BUG_ON(!p); |
| 923 | return p; |
| 924 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 925 | |
Trond Myklebust | cb17e55 | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 926 | static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) |
| 927 | { |
| 928 | __be32 *p; |
| 929 | |
| 930 | p = xdr_reserve_space(xdr, len); |
| 931 | xdr_encode_opaque_fixed(p, buf, len); |
| 932 | } |
| 933 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 934 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
| 935 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 936 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 937 | |
Trond Myklebust | 6fdfb0bc | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 938 | p = reserve_space(xdr, 4 + len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 939 | xdr_encode_opaque(p, str, len); |
| 940 | } |
| 941 | |
Trond Myklebust | 4ade982 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 942 | static void encode_uint32(struct xdr_stream *xdr, u32 n) |
| 943 | { |
| 944 | __be32 *p; |
| 945 | |
| 946 | p = reserve_space(xdr, 4); |
| 947 | *p = cpu_to_be32(n); |
| 948 | } |
| 949 | |
Trond Myklebust | ff2eb68 | 2012-03-05 11:40:12 -0500 | [diff] [blame] | 950 | static void encode_uint64(struct xdr_stream *xdr, u64 n) |
| 951 | { |
| 952 | __be32 *p; |
| 953 | |
| 954 | p = reserve_space(xdr, 8); |
| 955 | xdr_encode_hyper(p, n); |
| 956 | } |
| 957 | |
Trond Myklebust | 4ade982 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 958 | static void encode_nfs4_seqid(struct xdr_stream *xdr, |
| 959 | const struct nfs_seqid *seqid) |
| 960 | { |
| 961 | encode_uint32(xdr, seqid->sequence->counter); |
| 962 | } |
| 963 | |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 964 | static void encode_compound_hdr(struct xdr_stream *xdr, |
| 965 | struct rpc_rqst *req, |
| 966 | struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 967 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 968 | __be32 *p; |
Trond Myklebust | a17c215 | 2010-07-31 14:29:08 -0400 | [diff] [blame] | 969 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
Benny Halevy | 0c4e8c1 | 2009-04-01 09:22:07 -0400 | [diff] [blame] | 970 | |
| 971 | /* initialize running count of expected bytes in reply. |
| 972 | * NOTE: the replied tag SHOULD be the same is the one sent, |
| 973 | * but this is not required as a MUST for the server to do so. */ |
| 974 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 975 | |
Trond Myklebust | 7fc3884 | 2012-10-15 11:51:21 -0400 | [diff] [blame] | 976 | WARN_ON_ONCE(hdr->taglen > NFS4_MAXTAGLEN); |
Trond Myklebust | 6fdfb0bc | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 977 | encode_string(xdr, hdr->taglen, hdr->tag); |
| 978 | p = reserve_space(xdr, 8); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 979 | *p++ = cpu_to_be32(hdr->minorversion); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 980 | hdr->nops_p = p; |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 981 | *p = cpu_to_be32(hdr->nops); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 982 | } |
| 983 | |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 984 | static void encode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 op, |
| 985 | uint32_t replen, |
| 986 | struct compound_hdr *hdr) |
| 987 | { |
| 988 | encode_uint32(xdr, op); |
| 989 | hdr->nops++; |
| 990 | hdr->replen += replen; |
| 991 | } |
| 992 | |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 993 | static void encode_nops(struct compound_hdr *hdr) |
| 994 | { |
Trond Myklebust | 7fc3884 | 2012-10-15 11:51:21 -0400 | [diff] [blame] | 995 | WARN_ON_ONCE(hdr->nops > NFS4_MAX_OPS); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 996 | *hdr->nops_p = htonl(hdr->nops); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 997 | } |
| 998 | |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 999 | static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
| 1000 | { |
Trond Myklebust | 2d2f24a | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1001 | encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 1002 | } |
| 1003 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1004 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
| 1005 | { |
Trond Myklebust | cb17e55 | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 1006 | encode_opaque_fixed(xdr, verf->data, NFS4_VERIFIER_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1007 | } |
| 1008 | |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 1009 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, |
| 1010 | const struct nfs4_label *label, |
| 1011 | const struct nfs_server *server) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1012 | { |
| 1013 | char owner_name[IDMAP_NAMESZ]; |
| 1014 | char owner_group[IDMAP_NAMESZ]; |
| 1015 | int owner_namelen = 0; |
| 1016 | int owner_grouplen = 0; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1017 | __be32 *p; |
Trond Myklebust | d7067b2 | 2013-07-17 17:09:01 -0400 | [diff] [blame] | 1018 | unsigned i; |
| 1019 | uint32_t len = 0; |
| 1020 | uint32_t bmval_len; |
| 1021 | uint32_t bmval[3] = { 0 }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1022 | |
| 1023 | /* |
| 1024 | * We reserve enough space to write the entire attribute buffer at once. |
| 1025 | * In the worst-case, this would be |
David Quigley | a09df2c | 2013-05-22 12:50:41 -0400 | [diff] [blame] | 1026 | * 16(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) |
| 1027 | * = 40 bytes, plus any contribution from variable-length fields |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 1028 | * such as owner/group. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1029 | */ |
Trond Myklebust | d7067b2 | 2013-07-17 17:09:01 -0400 | [diff] [blame] | 1030 | if (iap->ia_valid & ATTR_SIZE) { |
| 1031 | bmval[0] |= FATTR4_WORD0_SIZE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1032 | len += 8; |
Trond Myklebust | d7067b2 | 2013-07-17 17:09:01 -0400 | [diff] [blame] | 1033 | } |
| 1034 | if (iap->ia_valid & ATTR_MODE) { |
| 1035 | bmval[1] |= FATTR4_WORD1_MODE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1036 | len += 4; |
Trond Myklebust | d7067b2 | 2013-07-17 17:09:01 -0400 | [diff] [blame] | 1037 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1038 | if (iap->ia_valid & ATTR_UID) { |
Trond Myklebust | e4fd72a | 2011-02-22 15:44:31 -0800 | [diff] [blame] | 1039 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1040 | if (owner_namelen < 0) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 1041 | dprintk("nfs: couldn't resolve uid %d to string\n", |
Eric W. Biederman | e578207 | 2013-02-01 14:22:02 -0800 | [diff] [blame] | 1042 | from_kuid(&init_user_ns, iap->ia_uid)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1043 | /* XXX */ |
| 1044 | strcpy(owner_name, "nobody"); |
| 1045 | owner_namelen = sizeof("nobody") - 1; |
| 1046 | /* goto out; */ |
| 1047 | } |
Trond Myklebust | d7067b2 | 2013-07-17 17:09:01 -0400 | [diff] [blame] | 1048 | bmval[1] |= FATTR4_WORD1_OWNER; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1049 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); |
| 1050 | } |
| 1051 | if (iap->ia_valid & ATTR_GID) { |
Trond Myklebust | e4fd72a | 2011-02-22 15:44:31 -0800 | [diff] [blame] | 1052 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1053 | if (owner_grouplen < 0) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 1054 | dprintk("nfs: couldn't resolve gid %d to string\n", |
Eric W. Biederman | e578207 | 2013-02-01 14:22:02 -0800 | [diff] [blame] | 1055 | from_kgid(&init_user_ns, iap->ia_gid)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1056 | strcpy(owner_group, "nobody"); |
| 1057 | owner_grouplen = sizeof("nobody") - 1; |
| 1058 | /* goto out; */ |
| 1059 | } |
Trond Myklebust | d7067b2 | 2013-07-17 17:09:01 -0400 | [diff] [blame] | 1060 | bmval[1] |= FATTR4_WORD1_OWNER_GROUP; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1061 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); |
| 1062 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1063 | if (iap->ia_valid & ATTR_ATIME_SET) { |
Trond Myklebust | d7067b2 | 2013-07-17 17:09:01 -0400 | [diff] [blame] | 1064 | bmval[1] |= FATTR4_WORD1_TIME_ACCESS_SET; |
| 1065 | len += 16; |
| 1066 | } else if (iap->ia_valid & ATTR_ATIME) { |
| 1067 | bmval[1] |= FATTR4_WORD1_TIME_ACCESS_SET; |
| 1068 | len += 4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1069 | } |
| 1070 | if (iap->ia_valid & ATTR_MTIME_SET) { |
Trond Myklebust | d7067b2 | 2013-07-17 17:09:01 -0400 | [diff] [blame] | 1071 | bmval[1] |= FATTR4_WORD1_TIME_MODIFY_SET; |
| 1072 | len += 16; |
| 1073 | } else if (iap->ia_valid & ATTR_MTIME) { |
| 1074 | bmval[1] |= FATTR4_WORD1_TIME_MODIFY_SET; |
| 1075 | len += 4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1076 | } |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 1077 | if (label) { |
Trond Myklebust | d7067b2 | 2013-07-17 17:09:01 -0400 | [diff] [blame] | 1078 | len += 4 + 4 + 4 + (XDR_QUADLEN(label->len) << 2); |
| 1079 | bmval[2] |= FATTR4_WORD2_SECURITY_LABEL; |
| 1080 | } |
| 1081 | |
| 1082 | if (bmval[2] != 0) |
| 1083 | bmval_len = 3; |
| 1084 | else if (bmval[1] != 0) |
| 1085 | bmval_len = 2; |
| 1086 | else |
| 1087 | bmval_len = 1; |
| 1088 | |
| 1089 | p = reserve_space(xdr, 4 + (bmval_len << 2) + 4 + len); |
| 1090 | |
| 1091 | *p++ = cpu_to_be32(bmval_len); |
| 1092 | for (i = 0; i < bmval_len; i++) |
| 1093 | *p++ = cpu_to_be32(bmval[i]); |
| 1094 | *p++ = cpu_to_be32(len); |
| 1095 | |
| 1096 | if (bmval[0] & FATTR4_WORD0_SIZE) |
| 1097 | p = xdr_encode_hyper(p, iap->ia_size); |
| 1098 | if (bmval[1] & FATTR4_WORD1_MODE) |
| 1099 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
| 1100 | if (bmval[1] & FATTR4_WORD1_OWNER) |
| 1101 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
| 1102 | if (bmval[1] & FATTR4_WORD1_OWNER_GROUP) |
| 1103 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
| 1104 | if (bmval[1] & FATTR4_WORD1_TIME_ACCESS_SET) { |
| 1105 | if (iap->ia_valid & ATTR_ATIME_SET) { |
| 1106 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
| 1107 | p = xdr_encode_hyper(p, (s64)iap->ia_atime.tv_sec); |
| 1108 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); |
| 1109 | } else |
| 1110 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
| 1111 | } |
| 1112 | if (bmval[1] & FATTR4_WORD1_TIME_MODIFY_SET) { |
| 1113 | if (iap->ia_valid & ATTR_MTIME_SET) { |
| 1114 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
| 1115 | p = xdr_encode_hyper(p, (s64)iap->ia_mtime.tv_sec); |
| 1116 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); |
| 1117 | } else |
| 1118 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
| 1119 | } |
| 1120 | if (bmval[2] & FATTR4_WORD2_SECURITY_LABEL) { |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 1121 | *p++ = cpu_to_be32(label->lfs); |
| 1122 | *p++ = cpu_to_be32(label->pi); |
| 1123 | *p++ = cpu_to_be32(label->len); |
| 1124 | p = xdr_encode_opaque_fixed(p, label->label, label->len); |
| 1125 | } |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1126 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1127 | /* out: */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1128 | } |
| 1129 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1130 | 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] | 1131 | { |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1132 | encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr); |
| 1133 | encode_uint32(xdr, access); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1134 | } |
| 1135 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1136 | 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] | 1137 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1138 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
Trond Myklebust | 4ade982 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1139 | encode_nfs4_seqid(xdr, arg->seqid); |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 1140 | encode_nfs4_stateid(xdr, arg->stateid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1141 | } |
| 1142 | |
Fred Isaman | 0b7c015 | 2012-04-20 14:47:39 -0400 | [diff] [blame] | 1143 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *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; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1146 | |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1147 | encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr); |
| 1148 | p = reserve_space(xdr, 12); |
Benny Halevy | b95be5a | 2009-08-14 17:19:01 +0300 | [diff] [blame] | 1149 | p = xdr_encode_hyper(p, args->offset); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1150 | *p = cpu_to_be32(args->count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1151 | } |
| 1152 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1153 | 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] | 1154 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1155 | __be32 *p; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1156 | |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1157 | encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr); |
| 1158 | encode_uint32(xdr, create->ftype); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1159 | |
| 1160 | switch (create->ftype) { |
| 1161 | case NF4LNK: |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1162 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1163 | *p = cpu_to_be32(create->u.symlink.len); |
Chuck Lever | 94a6d75 | 2006-08-22 20:06:23 -0400 | [diff] [blame] | 1164 | 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] | 1165 | break; |
| 1166 | |
| 1167 | case NF4BLK: case NF4CHR: |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1168 | p = reserve_space(xdr, 8); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1169 | *p++ = cpu_to_be32(create->u.device.specdata1); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1170 | *p = cpu_to_be32(create->u.device.specdata2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1171 | break; |
| 1172 | |
| 1173 | default: |
| 1174 | break; |
| 1175 | } |
| 1176 | |
Benny Halevy | 811652b | 2009-08-14 17:19:34 +0300 | [diff] [blame] | 1177 | encode_string(xdr, create->name->len, create->name->name); |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 1178 | encode_attrs(xdr, create->attrs, create->label, create->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1179 | } |
| 1180 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1181 | 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] | 1182 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1183 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1184 | |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1185 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
| 1186 | p = reserve_space(xdr, 8); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1187 | *p++ = cpu_to_be32(1); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1188 | *p = cpu_to_be32(bitmap); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1189 | } |
| 1190 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1191 | 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] | 1192 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1193 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1194 | |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1195 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
| 1196 | p = reserve_space(xdr, 12); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1197 | *p++ = cpu_to_be32(2); |
| 1198 | *p++ = cpu_to_be32(bm0); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1199 | *p = cpu_to_be32(bm1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1200 | } |
| 1201 | |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 1202 | static void |
| 1203 | encode_getattr_three(struct xdr_stream *xdr, |
| 1204 | uint32_t bm0, uint32_t bm1, uint32_t bm2, |
| 1205 | struct compound_hdr *hdr) |
| 1206 | { |
| 1207 | __be32 *p; |
| 1208 | |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1209 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 1210 | if (bm2) { |
| 1211 | p = reserve_space(xdr, 16); |
| 1212 | *p++ = cpu_to_be32(3); |
| 1213 | *p++ = cpu_to_be32(bm0); |
| 1214 | *p++ = cpu_to_be32(bm1); |
| 1215 | *p = cpu_to_be32(bm2); |
| 1216 | } else if (bm1) { |
| 1217 | p = reserve_space(xdr, 12); |
| 1218 | *p++ = cpu_to_be32(2); |
| 1219 | *p++ = cpu_to_be32(bm0); |
| 1220 | *p = cpu_to_be32(bm1); |
| 1221 | } else { |
| 1222 | p = reserve_space(xdr, 8); |
| 1223 | *p++ = cpu_to_be32(1); |
| 1224 | *p = cpu_to_be32(bm0); |
| 1225 | } |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 1226 | } |
| 1227 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1228 | 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] | 1229 | { |
David Quigley | a09df2c | 2013-05-22 12:50:41 -0400 | [diff] [blame] | 1230 | encode_getattr_three(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
| 1231 | bitmask[1] & nfs4_fattr_bitmap[1], |
| 1232 | bitmask[2] & nfs4_fattr_bitmap[2], |
| 1233 | hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1234 | } |
| 1235 | |
Andy Adamson | 88034c3 | 2012-05-23 05:02:34 -0400 | [diff] [blame] | 1236 | static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask, |
Trond Myklebust | 1549210f | 2012-06-05 09:16:47 -0400 | [diff] [blame] | 1237 | const u32 *open_bitmap, |
Andy Adamson | 88034c3 | 2012-05-23 05:02:34 -0400 | [diff] [blame] | 1238 | struct compound_hdr *hdr) |
| 1239 | { |
| 1240 | encode_getattr_three(xdr, |
Trond Myklebust | 1549210f | 2012-06-05 09:16:47 -0400 | [diff] [blame] | 1241 | bitmask[0] & open_bitmap[0], |
| 1242 | bitmask[1] & open_bitmap[1], |
| 1243 | bitmask[2] & open_bitmap[2], |
Andy Adamson | 88034c3 | 2012-05-23 05:02:34 -0400 | [diff] [blame] | 1244 | hdr); |
| 1245 | } |
| 1246 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1247 | 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] | 1248 | { |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 1249 | encode_getattr_three(xdr, |
| 1250 | bitmask[0] & nfs4_fsinfo_bitmap[0], |
| 1251 | bitmask[1] & nfs4_fsinfo_bitmap[1], |
| 1252 | bitmask[2] & nfs4_fsinfo_bitmap[2], |
| 1253 | hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1254 | } |
| 1255 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1256 | 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] | 1257 | { |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1258 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
| 1259 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); |
Manoj Naik | 830b8e3 | 2006-06-09 09:34:25 -0400 | [diff] [blame] | 1260 | } |
| 1261 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1262 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1263 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1264 | encode_op_hdr(xdr, OP_GETFH, decode_getfh_maxsz, hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1265 | } |
| 1266 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1267 | 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] | 1268 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1269 | encode_op_hdr(xdr, OP_LINK, decode_link_maxsz, hdr); |
Trond Myklebust | 6fdfb0bc | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1270 | encode_string(xdr, name->len, name->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1271 | } |
| 1272 | |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 1273 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
| 1274 | { |
Jeff Layton | f44106e | 2012-07-23 15:49:56 -0400 | [diff] [blame] | 1275 | if (fl->fl_type == F_RDLCK) |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 1276 | return block ? NFS4_READW_LT : NFS4_READ_LT; |
| 1277 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; |
| 1278 | } |
| 1279 | |
| 1280 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) |
| 1281 | { |
| 1282 | if (fl->fl_end == OFFSET_MAX) |
| 1283 | return ~(uint64_t)0; |
| 1284 | return fl->fl_end - fl->fl_start + 1; |
| 1285 | } |
| 1286 | |
Trond Myklebust | daccbde | 2010-06-25 18:11:43 -0400 | [diff] [blame] | 1287 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
| 1288 | { |
| 1289 | __be32 *p; |
| 1290 | |
Trond Myklebust | d035c36 | 2010-12-21 10:45:27 -0500 | [diff] [blame] | 1291 | p = reserve_space(xdr, 32); |
Trond Myklebust | daccbde | 2010-06-25 18:11:43 -0400 | [diff] [blame] | 1292 | p = xdr_encode_hyper(p, lowner->clientid); |
Trond Myklebust | d035c36 | 2010-12-21 10:45:27 -0500 | [diff] [blame] | 1293 | *p++ = cpu_to_be32(20); |
Trond Myklebust | daccbde | 2010-06-25 18:11:43 -0400 | [diff] [blame] | 1294 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
Trond Myklebust | d035c36 | 2010-12-21 10:45:27 -0500 | [diff] [blame] | 1295 | *p++ = cpu_to_be32(lowner->s_dev); |
Trond Myklebust | daccbde | 2010-06-25 18:11:43 -0400 | [diff] [blame] | 1296 | xdr_encode_hyper(p, lowner->id); |
| 1297 | } |
| 1298 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1299 | /* |
| 1300 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 |
| 1301 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 |
| 1302 | */ |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1303 | 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] | 1304 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1305 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1306 | |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1307 | encode_op_hdr(xdr, OP_LOCK, decode_lock_maxsz, hdr); |
| 1308 | p = reserve_space(xdr, 28); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1309 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); |
| 1310 | *p++ = cpu_to_be32(args->reclaim); |
Benny Halevy | b95be5a | 2009-08-14 17:19:01 +0300 | [diff] [blame] | 1311 | p = xdr_encode_hyper(p, args->fl->fl_start); |
| 1312 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1313 | *p = cpu_to_be32(args->new_lock_owner); |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 1314 | if (args->new_lock_owner){ |
Trond Myklebust | 4ade982 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1315 | encode_nfs4_seqid(xdr, args->open_seqid); |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 1316 | encode_nfs4_stateid(xdr, args->open_stateid); |
Trond Myklebust | 4ade982 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1317 | encode_nfs4_seqid(xdr, args->lock_seqid); |
Trond Myklebust | daccbde | 2010-06-25 18:11:43 -0400 | [diff] [blame] | 1318 | encode_lockowner(xdr, &args->lock_owner); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1319 | } |
| 1320 | else { |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 1321 | encode_nfs4_stateid(xdr, args->lock_stateid); |
Trond Myklebust | 4ade982 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1322 | encode_nfs4_seqid(xdr, args->lock_seqid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1323 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1324 | } |
| 1325 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1326 | 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] | 1327 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1328 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1329 | |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1330 | encode_op_hdr(xdr, OP_LOCKT, decode_lockt_maxsz, hdr); |
| 1331 | p = reserve_space(xdr, 20); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1332 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
Benny Halevy | b95be5a | 2009-08-14 17:19:01 +0300 | [diff] [blame] | 1333 | p = xdr_encode_hyper(p, args->fl->fl_start); |
| 1334 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
Trond Myklebust | daccbde | 2010-06-25 18:11:43 -0400 | [diff] [blame] | 1335 | encode_lockowner(xdr, &args->lock_owner); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1336 | } |
| 1337 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1338 | 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] | 1339 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1340 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1341 | |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1342 | encode_op_hdr(xdr, OP_LOCKU, decode_locku_maxsz, hdr); |
| 1343 | encode_uint32(xdr, nfs4_lock_type(args->fl, 0)); |
Trond Myklebust | 4ade982 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1344 | encode_nfs4_seqid(xdr, args->seqid); |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 1345 | encode_nfs4_stateid(xdr, args->stateid); |
| 1346 | p = reserve_space(xdr, 16); |
Benny Halevy | b95be5a | 2009-08-14 17:19:01 +0300 | [diff] [blame] | 1347 | p = xdr_encode_hyper(p, args->fl->fl_start); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1348 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1349 | } |
| 1350 | |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 1351 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
| 1352 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1353 | encode_op_hdr(xdr, OP_RELEASE_LOCKOWNER, decode_release_lockowner_maxsz, hdr); |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 1354 | encode_lockowner(xdr, lowner); |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 1355 | } |
| 1356 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1357 | 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] | 1358 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1359 | encode_op_hdr(xdr, OP_LOOKUP, decode_lookup_maxsz, hdr); |
Trond Myklebust | 6fdfb0bc | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1360 | encode_string(xdr, name->len, name->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1361 | } |
| 1362 | |
Trond Myklebust | dc0b027 | 2008-12-23 15:21:56 -0500 | [diff] [blame] | 1363 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1364 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1365 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1366 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1367 | p = reserve_space(xdr, 8); |
Trond Myklebust | dc0b027 | 2008-12-23 15:21:56 -0500 | [diff] [blame] | 1368 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1369 | case FMODE_READ: |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1370 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1371 | break; |
| 1372 | case FMODE_WRITE: |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1373 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1374 | break; |
| 1375 | case FMODE_READ|FMODE_WRITE: |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1376 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1377 | break; |
| 1378 | default: |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1379 | *p++ = cpu_to_be32(0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1380 | } |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1381 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1382 | } |
| 1383 | |
| 1384 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) |
| 1385 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1386 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1387 | /* |
| 1388 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, |
| 1389 | * owner 4 = 32 |
| 1390 | */ |
Trond Myklebust | 4ade982 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1391 | encode_nfs4_seqid(xdr, arg->seqid); |
Trond Myklebust | dc0b027 | 2008-12-23 15:21:56 -0500 | [diff] [blame] | 1392 | encode_share_access(xdr, arg->fmode); |
Trond Myklebust | 95b72eb | 2012-04-20 19:24:51 -0400 | [diff] [blame] | 1393 | p = reserve_space(xdr, 36); |
Benny Halevy | b95be5a | 2009-08-14 17:19:01 +0300 | [diff] [blame] | 1394 | p = xdr_encode_hyper(p, arg->clientid); |
Trond Myklebust | 95b72eb | 2012-04-20 19:24:51 -0400 | [diff] [blame] | 1395 | *p++ = cpu_to_be32(24); |
Benny Halevy | 93f0cf2 | 2009-08-14 17:19:06 +0300 | [diff] [blame] | 1396 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
Trond Myklebust | d035c36 | 2010-12-21 10:45:27 -0500 | [diff] [blame] | 1397 | *p++ = cpu_to_be32(arg->server->s_dev); |
Trond Myklebust | 95b72eb | 2012-04-20 19:24:51 -0400 | [diff] [blame] | 1398 | *p++ = cpu_to_be32(arg->id.uniquifier); |
| 1399 | xdr_encode_hyper(p, arg->id.create_time); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1400 | } |
| 1401 | |
| 1402 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) |
| 1403 | { |
Trond Myklebust | 549b19c | 2013-04-16 18:42:34 -0400 | [diff] [blame] | 1404 | struct iattr dummy; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1405 | __be32 *p; |
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, 4); |
Trond Myklebust | 549b19c | 2013-04-16 18:42:34 -0400 | [diff] [blame] | 1408 | switch(arg->createmode) { |
| 1409 | case NFS4_CREATE_UNCHECKED: |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1410 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 1411 | encode_attrs(xdr, arg->u.attrs, arg->label, arg->server); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1412 | break; |
Trond Myklebust | 549b19c | 2013-04-16 18:42:34 -0400 | [diff] [blame] | 1413 | case NFS4_CREATE_GUARDED: |
| 1414 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 1415 | encode_attrs(xdr, arg->u.attrs, arg->label, arg->server); |
Trond Myklebust | 549b19c | 2013-04-16 18:42:34 -0400 | [diff] [blame] | 1416 | break; |
| 1417 | case NFS4_CREATE_EXCLUSIVE: |
| 1418 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); |
| 1419 | encode_nfs4_verifier(xdr, &arg->u.verifier); |
| 1420 | break; |
| 1421 | case NFS4_CREATE_EXCLUSIVE4_1: |
| 1422 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); |
| 1423 | encode_nfs4_verifier(xdr, &arg->u.verifier); |
| 1424 | dummy.ia_valid = 0; |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 1425 | encode_attrs(xdr, &dummy, arg->label, arg->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1426 | } |
| 1427 | } |
| 1428 | |
| 1429 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) |
| 1430 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1431 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1432 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1433 | p = reserve_space(xdr, 4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1434 | switch (arg->open_flags & O_CREAT) { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1435 | case 0: |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1436 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1437 | break; |
| 1438 | default: |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1439 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1440 | encode_createmode(xdr, arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1441 | } |
| 1442 | } |
| 1443 | |
Trond Myklebust | bd7bf9d | 2008-12-23 15:21:53 -0500 | [diff] [blame] | 1444 | 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] | 1445 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1446 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1447 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1448 | p = reserve_space(xdr, 4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1449 | switch (delegation_type) { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1450 | case 0: |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1451 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1452 | break; |
| 1453 | case FMODE_READ: |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1454 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1455 | break; |
| 1456 | case FMODE_WRITE|FMODE_READ: |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1457 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1458 | break; |
| 1459 | default: |
| 1460 | BUG(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1461 | } |
| 1462 | } |
| 1463 | |
| 1464 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) |
| 1465 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1466 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1467 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1468 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1469 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1470 | encode_string(xdr, name->len, name->name); |
| 1471 | } |
| 1472 | |
Trond Myklebust | bd7bf9d | 2008-12-23 15:21:53 -0500 | [diff] [blame] | 1473 | 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] | 1474 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1475 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1476 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1477 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1478 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1479 | encode_delegation_type(xdr, type); |
| 1480 | } |
| 1481 | |
| 1482 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) |
| 1483 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1484 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1485 | |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 1486 | p = reserve_space(xdr, 4); |
| 1487 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); |
| 1488 | encode_nfs4_stateid(xdr, stateid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1489 | encode_string(xdr, name->len, name->name); |
| 1490 | } |
| 1491 | |
Trond Myklebust | d9fc661 | 2013-03-15 15:39:06 -0400 | [diff] [blame] | 1492 | static inline void encode_claim_fh(struct xdr_stream *xdr) |
| 1493 | { |
| 1494 | __be32 *p; |
| 1495 | |
| 1496 | p = reserve_space(xdr, 4); |
| 1497 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_FH); |
| 1498 | } |
| 1499 | |
| 1500 | static inline void encode_claim_delegate_cur_fh(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
| 1501 | { |
| 1502 | __be32 *p; |
| 1503 | |
| 1504 | p = reserve_space(xdr, 4); |
| 1505 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEG_CUR_FH); |
| 1506 | encode_nfs4_stateid(xdr, stateid); |
| 1507 | } |
| 1508 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1509 | 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] | 1510 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1511 | encode_op_hdr(xdr, OP_OPEN, decode_open_maxsz, hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1512 | encode_openhdr(xdr, arg); |
| 1513 | encode_opentype(xdr, arg); |
| 1514 | switch (arg->claim) { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1515 | case NFS4_OPEN_CLAIM_NULL: |
| 1516 | encode_claim_null(xdr, arg->name); |
| 1517 | break; |
| 1518 | case NFS4_OPEN_CLAIM_PREVIOUS: |
| 1519 | encode_claim_previous(xdr, arg->u.delegation_type); |
| 1520 | break; |
| 1521 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: |
| 1522 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); |
| 1523 | break; |
Trond Myklebust | d9fc661 | 2013-03-15 15:39:06 -0400 | [diff] [blame] | 1524 | case NFS4_OPEN_CLAIM_FH: |
| 1525 | encode_claim_fh(xdr); |
| 1526 | break; |
| 1527 | case NFS4_OPEN_CLAIM_DELEG_CUR_FH: |
| 1528 | encode_claim_delegate_cur_fh(xdr, &arg->u.delegation); |
| 1529 | break; |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 1530 | default: |
| 1531 | BUG(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1532 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1533 | } |
| 1534 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1535 | 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] | 1536 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1537 | encode_op_hdr(xdr, OP_OPEN_CONFIRM, decode_open_confirm_maxsz, hdr); |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 1538 | encode_nfs4_stateid(xdr, arg->stateid); |
Trond Myklebust | 4ade982 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1539 | encode_nfs4_seqid(xdr, arg->seqid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1540 | } |
| 1541 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1542 | 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] | 1543 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1544 | encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr); |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 1545 | encode_nfs4_stateid(xdr, arg->stateid); |
Trond Myklebust | 4ade982 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1546 | encode_nfs4_seqid(xdr, arg->seqid); |
Trond Myklebust | dc0b027 | 2008-12-23 15:21:56 -0500 | [diff] [blame] | 1547 | encode_share_access(xdr, arg->fmode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1548 | } |
| 1549 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1550 | static void |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1551 | 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] | 1552 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1553 | encode_op_hdr(xdr, OP_PUTFH, decode_putfh_maxsz, hdr); |
Trond Myklebust | 6fdfb0bc | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1554 | encode_string(xdr, fh->size, fh->data); |
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_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1558 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1559 | encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1560 | } |
| 1561 | |
Anna Schumaker | 3c6b899 | 2014-05-06 09:12:24 -0400 | [diff] [blame] | 1562 | static void encode_read(struct xdr_stream *xdr, const struct nfs_pgio_args *args, |
| 1563 | struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1564 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1565 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1566 | |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1567 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
Trond Myklebust | 9b20614 | 2013-03-17 15:52:00 -0400 | [diff] [blame] | 1568 | encode_nfs4_stateid(xdr, &args->stateid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1569 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1570 | p = reserve_space(xdr, 12); |
Benny Halevy | b95be5a | 2009-08-14 17:19:01 +0300 | [diff] [blame] | 1571 | p = xdr_encode_hyper(p, args->offset); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1572 | *p = cpu_to_be32(args->count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1573 | } |
| 1574 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1575 | 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] | 1576 | { |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 1577 | uint32_t attrs[3] = { |
Trond Myklebust | 28331a4 | 2011-04-27 13:47:52 -0400 | [diff] [blame] | 1578 | FATTR4_WORD0_RDATTR_ERROR, |
| 1579 | FATTR4_WORD1_MOUNTED_ON_FILEID, |
| 1580 | }; |
Trond Myklebust | 6f7a35b | 2010-10-24 12:11:42 -0400 | [diff] [blame] | 1581 | uint32_t dircount = readdir->count >> 1; |
Chuck Lever | cd93710 | 2012-03-02 17:14:31 -0500 | [diff] [blame] | 1582 | __be32 *p, verf[2]; |
Trond Myklebust | d204c5d | 2013-11-04 13:23:59 -0500 | [diff] [blame] | 1583 | uint32_t attrlen = 0; |
| 1584 | unsigned int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1585 | |
Bryan Schumaker | 82f2e54 | 2010-10-21 16:33:18 -0400 | [diff] [blame] | 1586 | if (readdir->plus) { |
| 1587 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| |
Trond Myklebust | 28331a4 | 2011-04-27 13:47:52 -0400 | [diff] [blame] | 1588 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
Bryan Schumaker | 82f2e54 | 2010-10-21 16:33:18 -0400 | [diff] [blame] | 1589 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
| 1590 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| |
| 1591 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| |
| 1592 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; |
Trond Myklebust | d204c5d | 2013-11-04 13:23:59 -0500 | [diff] [blame] | 1593 | attrs[2] |= FATTR4_WORD2_SECURITY_LABEL; |
Trond Myklebust | 6f7a35b | 2010-10-24 12:11:42 -0400 | [diff] [blame] | 1594 | dircount >>= 1; |
Bryan Schumaker | 82f2e54 | 2010-10-21 16:33:18 -0400 | [diff] [blame] | 1595 | } |
Trond Myklebust | 28331a4 | 2011-04-27 13:47:52 -0400 | [diff] [blame] | 1596 | /* Use mounted_on_fileid only if the server supports it */ |
| 1597 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) |
| 1598 | attrs[0] |= FATTR4_WORD0_FILEID; |
Trond Myklebust | d204c5d | 2013-11-04 13:23:59 -0500 | [diff] [blame] | 1599 | for (i = 0; i < ARRAY_SIZE(attrs); i++) { |
| 1600 | attrs[i] &= readdir->bitmask[i]; |
| 1601 | if (attrs[i] != 0) |
| 1602 | attrlen = i+1; |
| 1603 | } |
Bryan Schumaker | 82f2e54 | 2010-10-21 16:33:18 -0400 | [diff] [blame] | 1604 | |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1605 | encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr); |
Trond Myklebust | ff2eb68 | 2012-03-05 11:40:12 -0500 | [diff] [blame] | 1606 | encode_uint64(xdr, readdir->cookie); |
Chuck Lever | cd93710 | 2012-03-02 17:14:31 -0500 | [diff] [blame] | 1607 | encode_nfs4_verifier(xdr, &readdir->verifier); |
Trond Myklebust | d204c5d | 2013-11-04 13:23:59 -0500 | [diff] [blame] | 1608 | p = reserve_space(xdr, 12 + (attrlen << 2)); |
Trond Myklebust | 6f7a35b | 2010-10-24 12:11:42 -0400 | [diff] [blame] | 1609 | *p++ = cpu_to_be32(dircount); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1610 | *p++ = cpu_to_be32(readdir->count); |
Trond Myklebust | d204c5d | 2013-11-04 13:23:59 -0500 | [diff] [blame] | 1611 | *p++ = cpu_to_be32(attrlen); |
| 1612 | for (i = 0; i < attrlen; i++) |
| 1613 | *p++ = cpu_to_be32(attrs[i]); |
Chuck Lever | cd93710 | 2012-03-02 17:14:31 -0500 | [diff] [blame] | 1614 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 1615 | |
| 1616 | dprintk("%s: cookie = %llu, verifier = %08x:%08x, bitmap = %08x:%08x:%08x\n", |
Fred Isaman | 4410924 | 2008-04-02 15:21:15 +0300 | [diff] [blame] | 1617 | __func__, |
Trond Myklebust | eadf459 | 2005-06-22 17:16:39 +0000 | [diff] [blame] | 1618 | (unsigned long long)readdir->cookie, |
Chuck Lever | cd93710 | 2012-03-02 17:14:31 -0500 | [diff] [blame] | 1619 | verf[0], verf[1], |
Trond Myklebust | eadf459 | 2005-06-22 17:16:39 +0000 | [diff] [blame] | 1620 | attrs[0] & readdir->bitmask[0], |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 1621 | attrs[1] & readdir->bitmask[1], |
| 1622 | attrs[2] & readdir->bitmask[2]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1623 | } |
| 1624 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1625 | 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] | 1626 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1627 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1628 | } |
| 1629 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1630 | 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] | 1631 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1632 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
Trond Myklebust | 6fdfb0bc | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1633 | encode_string(xdr, name->len, name->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1634 | } |
| 1635 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1636 | 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] | 1637 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1638 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
Benny Halevy | 811652b | 2009-08-14 17:19:34 +0300 | [diff] [blame] | 1639 | encode_string(xdr, oldname->len, oldname->name); |
| 1640 | encode_string(xdr, newname->len, newname->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1641 | } |
| 1642 | |
Chuck Lever | bb4dae5 | 2012-03-01 17:01:48 -0500 | [diff] [blame] | 1643 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
| 1644 | struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1645 | { |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1646 | encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr); |
Trond Myklebust | ff2eb68 | 2012-03-05 11:40:12 -0500 | [diff] [blame] | 1647 | encode_uint64(xdr, clid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1648 | } |
| 1649 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1650 | static void |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1651 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 1652 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1653 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 1654 | } |
| 1655 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 1656 | static void |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1657 | 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] | 1658 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1659 | __be32 *p; |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 1660 | |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1661 | encode_op_hdr(xdr, OP_SETATTR, decode_setacl_maxsz, hdr); |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 1662 | encode_nfs4_stateid(xdr, &zero_stateid); |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1663 | p = reserve_space(xdr, 2*4); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1664 | *p++ = cpu_to_be32(1); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1665 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1666 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1667 | *p = cpu_to_be32(arg->acl_len); |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 1668 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 1669 | } |
| 1670 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1671 | static void |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 1672 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1673 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1674 | encode_op_hdr(xdr, OP_SAVEFH, decode_savefh_maxsz, hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1675 | } |
| 1676 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1677 | 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] | 1678 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1679 | encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 1680 | encode_nfs4_stateid(xdr, &arg->stateid); |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 1681 | encode_attrs(xdr, arg->iap, arg->label, server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1682 | } |
| 1683 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1684 | 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] | 1685 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1686 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1687 | |
Trond Myklebust | 7001951 | 2012-03-04 20:49:32 -0500 | [diff] [blame] | 1688 | encode_op_hdr(xdr, OP_SETCLIENTID, decode_setclientid_maxsz, hdr); |
Chuck Lever | cd93710 | 2012-03-02 17:14:31 -0500 | [diff] [blame] | 1689 | encode_nfs4_verifier(xdr, setclientid->sc_verifier); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1690 | |
| 1691 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1692 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1693 | *p = cpu_to_be32(setclientid->sc_prog); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1694 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
| 1695 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1696 | p = reserve_space(xdr, 4); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1697 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1698 | } |
| 1699 | |
Trond Myklebust | bb8b27e | 2010-04-16 16:43:06 -0400 | [diff] [blame] | 1700 | 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] | 1701 | { |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1702 | encode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM, |
| 1703 | decode_setclientid_confirm_maxsz, hdr); |
Trond Myklebust | ff2eb68 | 2012-03-05 11:40:12 -0500 | [diff] [blame] | 1704 | encode_uint64(xdr, arg->clientid); |
Chuck Lever | cd93710 | 2012-03-02 17:14:31 -0500 | [diff] [blame] | 1705 | encode_nfs4_verifier(xdr, &arg->confirm); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1706 | } |
| 1707 | |
Anna Schumaker | 3c6b899 | 2014-05-06 09:12:24 -0400 | [diff] [blame] | 1708 | static void encode_write(struct xdr_stream *xdr, const struct nfs_pgio_args *args, |
| 1709 | struct compound_hdr *hdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1710 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 1711 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1712 | |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1713 | encode_op_hdr(xdr, OP_WRITE, decode_write_maxsz, hdr); |
Trond Myklebust | 9b20614 | 2013-03-17 15:52:00 -0400 | [diff] [blame] | 1714 | encode_nfs4_stateid(xdr, &args->stateid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1715 | |
Benny Halevy | 13c65ce | 2009-08-14 17:19:25 +0300 | [diff] [blame] | 1716 | p = reserve_space(xdr, 16); |
Benny Halevy | b95be5a | 2009-08-14 17:19:01 +0300 | [diff] [blame] | 1717 | p = xdr_encode_hyper(p, args->offset); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1718 | *p++ = cpu_to_be32(args->stable); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1719 | *p = cpu_to_be32(args->count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1720 | |
| 1721 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1722 | } |
| 1723 | |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 1724 | 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] | 1725 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1726 | encode_op_hdr(xdr, OP_DELEGRETURN, decode_delegreturn_maxsz, hdr); |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 1727 | encode_nfs4_stateid(xdr, stateid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1728 | } |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 1729 | |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 1730 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
| 1731 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1732 | encode_op_hdr(xdr, OP_SECINFO, decode_secinfo_maxsz, hdr); |
Trond Myklebust | 6fdfb0bc | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 1733 | encode_string(xdr, name->len, name->name); |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 1734 | } |
| 1735 | |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 1736 | #if defined(CONFIG_NFS_V4_1) |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 1737 | /* NFSv4.1 operations */ |
Weston Andros Adamson | 7c44f1ae | 2012-05-24 13:22:50 -0400 | [diff] [blame] | 1738 | static void encode_bind_conn_to_session(struct xdr_stream *xdr, |
| 1739 | struct nfs4_session *session, |
| 1740 | struct compound_hdr *hdr) |
| 1741 | { |
| 1742 | __be32 *p; |
| 1743 | |
| 1744 | encode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION, |
| 1745 | decode_bind_conn_to_session_maxsz, hdr); |
| 1746 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
| 1747 | p = xdr_reserve_space(xdr, 8); |
| 1748 | *p++ = cpu_to_be32(NFS4_CDFC4_BACK_OR_BOTH); |
| 1749 | *p = 0; /* use_conn_in_rdma_mode = False */ |
| 1750 | } |
| 1751 | |
Weston Andros Adamson | 2031cd1 | 2013-08-13 16:37:32 -0400 | [diff] [blame] | 1752 | static void encode_op_map(struct xdr_stream *xdr, struct nfs4_op_map *op_map) |
| 1753 | { |
| 1754 | unsigned int i; |
| 1755 | encode_uint32(xdr, NFS4_OP_MAP_NUM_WORDS); |
| 1756 | for (i = 0; i < NFS4_OP_MAP_NUM_WORDS; i++) |
| 1757 | encode_uint32(xdr, op_map->u.words[i]); |
| 1758 | } |
| 1759 | |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 1760 | static void encode_exchange_id(struct xdr_stream *xdr, |
| 1761 | struct nfs41_exchange_id_args *args, |
| 1762 | struct compound_hdr *hdr) |
| 1763 | { |
| 1764 | __be32 *p; |
Jim Rees | d751f74 | 2012-11-16 18:12:06 -0500 | [diff] [blame] | 1765 | char impl_name[IMPL_NAME_LIMIT]; |
Weston Andros Adamson | db8ac8b | 2012-02-17 15:20:24 -0500 | [diff] [blame] | 1766 | int len = 0; |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 1767 | |
Trond Myklebust | 7001951 | 2012-03-04 20:49:32 -0500 | [diff] [blame] | 1768 | encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr); |
Chuck Lever | cd93710 | 2012-03-02 17:14:31 -0500 | [diff] [blame] | 1769 | encode_nfs4_verifier(xdr, args->verifier); |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 1770 | |
| 1771 | encode_string(xdr, args->id_len, args->id); |
| 1772 | |
Weston Andros Adamson | 2031cd1 | 2013-08-13 16:37:32 -0400 | [diff] [blame] | 1773 | encode_uint32(xdr, args->flags); |
| 1774 | encode_uint32(xdr, args->state_protect.how); |
| 1775 | |
| 1776 | switch (args->state_protect.how) { |
| 1777 | case SP4_NONE: |
| 1778 | break; |
| 1779 | case SP4_MACH_CRED: |
| 1780 | encode_op_map(xdr, &args->state_protect.enforce); |
| 1781 | encode_op_map(xdr, &args->state_protect.allow); |
| 1782 | break; |
| 1783 | default: |
| 1784 | WARN_ON_ONCE(1); |
| 1785 | break; |
| 1786 | } |
Weston Andros Adamson | db8ac8b | 2012-02-17 15:20:24 -0500 | [diff] [blame] | 1787 | |
| 1788 | if (send_implementation_id && |
| 1789 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && |
| 1790 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) |
Jim Rees | d751f74 | 2012-11-16 18:12:06 -0500 | [diff] [blame] | 1791 | <= sizeof(impl_name) + 1) |
Weston Andros Adamson | db8ac8b | 2012-02-17 15:20:24 -0500 | [diff] [blame] | 1792 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", |
| 1793 | utsname()->sysname, utsname()->release, |
| 1794 | utsname()->version, utsname()->machine); |
| 1795 | |
| 1796 | if (len > 0) { |
Weston Andros Adamson | 2031cd1 | 2013-08-13 16:37:32 -0400 | [diff] [blame] | 1797 | encode_uint32(xdr, 1); /* implementation id array length=1 */ |
Weston Andros Adamson | db8ac8b | 2012-02-17 15:20:24 -0500 | [diff] [blame] | 1798 | |
| 1799 | encode_string(xdr, |
| 1800 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, |
| 1801 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); |
| 1802 | encode_string(xdr, len, impl_name); |
| 1803 | /* just send zeros for nii_date - the date is in nii_name */ |
| 1804 | p = reserve_space(xdr, 12); |
| 1805 | p = xdr_encode_hyper(p, 0); |
| 1806 | *p = cpu_to_be32(0); |
| 1807 | } else |
Weston Andros Adamson | 2031cd1 | 2013-08-13 16:37:32 -0400 | [diff] [blame] | 1808 | encode_uint32(xdr, 0); /* implementation id array length=0 */ |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 1809 | } |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1810 | |
| 1811 | static void encode_create_session(struct xdr_stream *xdr, |
| 1812 | struct nfs41_create_session_args *args, |
| 1813 | struct compound_hdr *hdr) |
| 1814 | { |
| 1815 | __be32 *p; |
| 1816 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; |
| 1817 | uint32_t len; |
| 1818 | struct nfs_client *clp = args->client; |
Chuck Lever | f092075 | 2012-05-21 22:45:41 -0400 | [diff] [blame] | 1819 | struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id); |
Mike Sager | 8e0d46e | 2009-12-17 12:06:26 -0500 | [diff] [blame] | 1820 | u32 max_resp_sz_cached; |
| 1821 | |
| 1822 | /* |
| 1823 | * Assumes OPEN is the biggest non-idempotent compound. |
| 1824 | * 2 is the verifier. |
| 1825 | */ |
| 1826 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + |
| 1827 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1828 | |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1829 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
| 1830 | clp->cl_ipaddr); |
Benny Halevy | 42edd69 | 2009-08-14 17:19:13 +0300 | [diff] [blame] | 1831 | |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1832 | encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr); |
| 1833 | p = reserve_space(xdr, 16 + 2*28 + 20 + len + 12); |
Andy Adamson | 114f64b | 2011-03-09 13:13:45 -0500 | [diff] [blame] | 1834 | p = xdr_encode_hyper(p, clp->cl_clientid); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1835 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
| 1836 | *p++ = cpu_to_be32(args->flags); /*flags */ |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1837 | |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1838 | /* Fore Channel */ |
Benny Halevy | c9c30dd | 2011-06-11 17:08:39 -0400 | [diff] [blame] | 1839 | *p++ = cpu_to_be32(0); /* header padding size */ |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1840 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
| 1841 | *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] | 1842 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1843 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
| 1844 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ |
| 1845 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1846 | |
| 1847 | /* Back Channel */ |
Benny Halevy | c9c30dd | 2011-06-11 17:08:39 -0400 | [diff] [blame] | 1848 | *p++ = cpu_to_be32(0); /* header padding size */ |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1849 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
| 1850 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ |
| 1851 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ |
| 1852 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ |
| 1853 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ |
| 1854 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1855 | |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1856 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1857 | *p++ = cpu_to_be32(1); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1858 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1859 | |
| 1860 | /* authsys_parms rfc1831 */ |
Trond Myklebust | 17f26b1 | 2013-08-21 15:48:42 -0400 | [diff] [blame] | 1861 | *p++ = cpu_to_be32(nn->boot_time.tv_nsec); /* stamp */ |
Benny Halevy | 811652b | 2009-08-14 17:19:34 +0300 | [diff] [blame] | 1862 | p = xdr_encode_opaque(p, machine_name, len); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1863 | *p++ = cpu_to_be32(0); /* UID */ |
| 1864 | *p++ = cpu_to_be32(0); /* GID */ |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1865 | *p = cpu_to_be32(0); /* No more gids */ |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 1866 | } |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 1867 | |
| 1868 | static void encode_destroy_session(struct xdr_stream *xdr, |
| 1869 | struct nfs4_session *session, |
| 1870 | struct compound_hdr *hdr) |
| 1871 | { |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1872 | encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr); |
| 1873 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 1874 | } |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 1875 | |
Trond Myklebust | 6624553 | 2012-05-25 17:18:09 -0400 | [diff] [blame] | 1876 | static void encode_destroy_clientid(struct xdr_stream *xdr, |
| 1877 | uint64_t clientid, |
| 1878 | struct compound_hdr *hdr) |
| 1879 | { |
| 1880 | encode_op_hdr(xdr, OP_DESTROY_CLIENTID, decode_destroy_clientid_maxsz, hdr); |
| 1881 | encode_uint64(xdr, clientid); |
| 1882 | } |
| 1883 | |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 1884 | static void encode_reclaim_complete(struct xdr_stream *xdr, |
| 1885 | struct nfs41_reclaim_complete_args *args, |
| 1886 | struct compound_hdr *hdr) |
| 1887 | { |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1888 | encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr); |
| 1889 | encode_uint32(xdr, args->one_fs); |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 1890 | } |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 1891 | #endif /* CONFIG_NFS_V4_1 */ |
| 1892 | |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 1893 | static void encode_sequence(struct xdr_stream *xdr, |
| 1894 | const struct nfs4_sequence_args *args, |
| 1895 | struct compound_hdr *hdr) |
| 1896 | { |
| 1897 | #if defined(CONFIG_NFS_V4_1) |
Trond Myklebust | 2b2fa71 | 2012-11-16 12:58:36 -0500 | [diff] [blame] | 1898 | struct nfs4_session *session; |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 1899 | struct nfs4_slot_table *tp; |
Trond Myklebust | 2b2fa71 | 2012-11-16 12:58:36 -0500 | [diff] [blame] | 1900 | struct nfs4_slot *slot = args->sa_slot; |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 1901 | __be32 *p; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 1902 | |
Trond Myklebust | 2b2fa71 | 2012-11-16 12:58:36 -0500 | [diff] [blame] | 1903 | tp = slot->table; |
| 1904 | session = tp->session; |
Chuck Lever | 3bd2384 | 2013-08-09 12:49:19 -0400 | [diff] [blame] | 1905 | if (!session) |
| 1906 | return; |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 1907 | |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1908 | encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr); |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 1909 | |
| 1910 | /* |
| 1911 | * Sessionid + seqid + slotid + max slotid + cache_this |
| 1912 | */ |
| 1913 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " |
| 1914 | "max_slotid=%d cache_this=%d\n", |
| 1915 | __func__, |
| 1916 | ((u32 *)session->sess_id.data)[0], |
| 1917 | ((u32 *)session->sess_id.data)[1], |
| 1918 | ((u32 *)session->sess_id.data)[2], |
| 1919 | ((u32 *)session->sess_id.data)[3], |
Trond Myklebust | 2b2fa71 | 2012-11-16 12:58:36 -0500 | [diff] [blame] | 1920 | slot->seq_nr, slot->slot_nr, |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 1921 | tp->highest_used_slotid, args->sa_cache_this); |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1922 | p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16); |
Benny Halevy | 93f0cf2 | 2009-08-14 17:19:06 +0300 | [diff] [blame] | 1923 | 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] | 1924 | *p++ = cpu_to_be32(slot->seq_nr); |
Trond Myklebust | 2b2fa71 | 2012-11-16 12:58:36 -0500 | [diff] [blame] | 1925 | *p++ = cpu_to_be32(slot->slot_nr); |
Benny Halevy | e75bc1c | 2009-08-14 17:18:54 +0300 | [diff] [blame] | 1926 | *p++ = cpu_to_be32(tp->highest_used_slotid); |
Benny Halevy | 3455851 | 2009-08-14 17:19:30 +0300 | [diff] [blame] | 1927 | *p = cpu_to_be32(args->sa_cache_this); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 1928 | #endif /* CONFIG_NFS_V4_1 */ |
| 1929 | } |
| 1930 | |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 1931 | #ifdef CONFIG_NFS_V4_1 |
| 1932 | static void |
Andy Adamson | 7f11d8d | 2011-07-30 20:52:35 -0400 | [diff] [blame] | 1933 | encode_getdevicelist(struct xdr_stream *xdr, |
| 1934 | const struct nfs4_getdevicelist_args *args, |
| 1935 | struct compound_hdr *hdr) |
| 1936 | { |
| 1937 | __be32 *p; |
| 1938 | nfs4_verifier dummy = { |
| 1939 | .data = "dummmmmy", |
| 1940 | }; |
| 1941 | |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1942 | encode_op_hdr(xdr, OP_GETDEVICELIST, decode_getdevicelist_maxsz, hdr); |
| 1943 | p = reserve_space(xdr, 16); |
Andy Adamson | 7f11d8d | 2011-07-30 20:52:35 -0400 | [diff] [blame] | 1944 | *p++ = cpu_to_be32(args->layoutclass); |
| 1945 | *p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM); |
| 1946 | xdr_encode_hyper(p, 0ULL); /* cookie */ |
| 1947 | encode_nfs4_verifier(xdr, &dummy); |
Andy Adamson | 7f11d8d | 2011-07-30 20:52:35 -0400 | [diff] [blame] | 1948 | } |
| 1949 | |
| 1950 | static void |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 1951 | encode_getdeviceinfo(struct xdr_stream *xdr, |
| 1952 | const struct nfs4_getdeviceinfo_args *args, |
| 1953 | struct compound_hdr *hdr) |
| 1954 | { |
| 1955 | __be32 *p; |
| 1956 | |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1957 | encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr); |
| 1958 | p = reserve_space(xdr, 12 + NFS4_DEVICEID4_SIZE); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 1959 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
| 1960 | NFS4_DEVICEID4_SIZE); |
| 1961 | *p++ = cpu_to_be32(args->pdev->layout_type); |
Andy Adamson | f1c097b | 2013-06-25 19:02:53 -0400 | [diff] [blame] | 1962 | *p++ = cpu_to_be32(args->pdev->maxcount); /* gdia_maxcount */ |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 1963 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 1964 | } |
| 1965 | |
| 1966 | static void |
| 1967 | encode_layoutget(struct xdr_stream *xdr, |
| 1968 | const struct nfs4_layoutget_args *args, |
| 1969 | struct compound_hdr *hdr) |
| 1970 | { |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 1971 | __be32 *p; |
| 1972 | |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1973 | encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr); |
| 1974 | p = reserve_space(xdr, 36); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 1975 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
| 1976 | *p++ = cpu_to_be32(args->type); |
| 1977 | *p++ = cpu_to_be32(args->range.iomode); |
| 1978 | p = xdr_encode_hyper(p, args->range.offset); |
| 1979 | p = xdr_encode_hyper(p, args->range.length); |
| 1980 | p = xdr_encode_hyper(p, args->minlength); |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 1981 | encode_nfs4_stateid(xdr, &args->stateid); |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 1982 | encode_uint32(xdr, args->maxcount); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 1983 | |
| 1984 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", |
| 1985 | __func__, |
| 1986 | args->type, |
| 1987 | args->range.iomode, |
| 1988 | (unsigned long)args->range.offset, |
| 1989 | (unsigned long)args->range.length, |
| 1990 | args->maxcount); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 1991 | } |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 1992 | |
| 1993 | static int |
| 1994 | encode_layoutcommit(struct xdr_stream *xdr, |
Benny Halevy | ac7db72 | 2011-05-22 19:53:48 +0300 | [diff] [blame] | 1995 | struct inode *inode, |
Christoph Hellwig | 5f919c9 | 2014-08-21 11:09:25 -0500 | [diff] [blame^] | 1996 | struct nfs4_layoutcommit_args *args, |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 1997 | struct compound_hdr *hdr) |
| 1998 | { |
| 1999 | __be32 *p; |
| 2000 | |
| 2001 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, |
| 2002 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); |
| 2003 | |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 2004 | encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr); |
| 2005 | p = reserve_space(xdr, 20); |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 2006 | /* Only whole file layouts */ |
| 2007 | p = xdr_encode_hyper(p, 0); /* offset */ |
Peng Tao | 3557c6c | 2011-07-30 20:52:34 -0400 | [diff] [blame] | 2008 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 2009 | *p = cpu_to_be32(0); /* reclaim */ |
| 2010 | encode_nfs4_stateid(xdr, &args->stateid); |
| 2011 | p = reserve_space(xdr, 20); |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 2012 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ |
| 2013 | p = xdr_encode_hyper(p, args->lastbytewritten); |
| 2014 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ |
| 2015 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ |
Benny Halevy | ac7db72 | 2011-05-22 19:53:48 +0300 | [diff] [blame] | 2016 | |
Christoph Hellwig | 5f919c9 | 2014-08-21 11:09:25 -0500 | [diff] [blame^] | 2017 | if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) { |
Benny Halevy | ac7db72 | 2011-05-22 19:53:48 +0300 | [diff] [blame] | 2018 | NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit( |
| 2019 | NFS_I(inode)->layout, xdr, args); |
Christoph Hellwig | 5f919c9 | 2014-08-21 11:09:25 -0500 | [diff] [blame^] | 2020 | } else { |
| 2021 | encode_uint32(xdr, args->layoutupdate_len); |
| 2022 | if (args->layoutupdate_pages) { |
| 2023 | xdr_write_pages(xdr, args->layoutupdate_pages, 0, |
| 2024 | args->layoutupdate_len); |
| 2025 | } |
| 2026 | } |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 2027 | |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 2028 | return 0; |
| 2029 | } |
Benny Halevy | cbe8260 | 2011-05-22 19:52:37 +0300 | [diff] [blame] | 2030 | |
| 2031 | static void |
| 2032 | encode_layoutreturn(struct xdr_stream *xdr, |
| 2033 | const struct nfs4_layoutreturn_args *args, |
| 2034 | struct compound_hdr *hdr) |
| 2035 | { |
| 2036 | __be32 *p; |
| 2037 | |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 2038 | encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr); |
| 2039 | p = reserve_space(xdr, 16); |
Benny Halevy | cbe8260 | 2011-05-22 19:52:37 +0300 | [diff] [blame] | 2040 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ |
| 2041 | *p++ = cpu_to_be32(args->layout_type); |
| 2042 | *p++ = cpu_to_be32(IOMODE_ANY); |
| 2043 | *p = cpu_to_be32(RETURN_FILE); |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 2044 | p = reserve_space(xdr, 16); |
Benny Halevy | cbe8260 | 2011-05-22 19:52:37 +0300 | [diff] [blame] | 2045 | p = xdr_encode_hyper(p, 0); |
| 2046 | p = xdr_encode_hyper(p, NFS4_MAX_UINT64); |
| 2047 | spin_lock(&args->inode->i_lock); |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 2048 | encode_nfs4_stateid(xdr, &args->stateid); |
Benny Halevy | cbe8260 | 2011-05-22 19:52:37 +0300 | [diff] [blame] | 2049 | spin_unlock(&args->inode->i_lock); |
Andy Adamson | 04a5554 | 2011-05-22 19:53:10 +0300 | [diff] [blame] | 2050 | if (NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn) { |
| 2051 | NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn( |
| 2052 | NFS_I(args->inode)->layout, xdr, args); |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 2053 | } else |
| 2054 | encode_uint32(xdr, 0); |
Benny Halevy | cbe8260 | 2011-05-22 19:52:37 +0300 | [diff] [blame] | 2055 | } |
Bryan Schumaker | fca78d6 | 2011-06-02 14:59:07 -0400 | [diff] [blame] | 2056 | |
| 2057 | static int |
| 2058 | encode_secinfo_no_name(struct xdr_stream *xdr, |
| 2059 | const struct nfs41_secinfo_no_name_args *args, |
| 2060 | struct compound_hdr *hdr) |
| 2061 | { |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 2062 | encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr); |
| 2063 | encode_uint32(xdr, args->style); |
Bryan Schumaker | fca78d6 | 2011-06-02 14:59:07 -0400 | [diff] [blame] | 2064 | return 0; |
| 2065 | } |
Bryan Schumaker | 7d97479 | 2011-06-02 14:59:08 -0400 | [diff] [blame] | 2066 | |
| 2067 | static void encode_test_stateid(struct xdr_stream *xdr, |
| 2068 | struct nfs41_test_stateid_args *args, |
| 2069 | struct compound_hdr *hdr) |
| 2070 | { |
Trond Myklebust | 475d4ba | 2012-03-05 11:27:16 -0500 | [diff] [blame] | 2071 | encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr); |
| 2072 | encode_uint32(xdr, 1); |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 2073 | encode_nfs4_stateid(xdr, args->stateid); |
Bryan Schumaker | 7d97479 | 2011-06-02 14:59:08 -0400 | [diff] [blame] | 2074 | } |
Bryan Schumaker | 9aeda35 | 2011-06-02 14:59:09 -0400 | [diff] [blame] | 2075 | |
| 2076 | static void encode_free_stateid(struct xdr_stream *xdr, |
| 2077 | struct nfs41_free_stateid_args *args, |
| 2078 | struct compound_hdr *hdr) |
| 2079 | { |
Trond Myklebust | ab19b48 | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 2080 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
Trond Myklebust | 7c1d5fa | 2013-05-03 14:40:01 -0400 | [diff] [blame] | 2081 | encode_nfs4_stateid(xdr, &args->stateid); |
Bryan Schumaker | 9aeda35 | 2011-06-02 14:59:09 -0400 | [diff] [blame] | 2082 | } |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 2083 | #endif /* CONFIG_NFS_V4_1 */ |
| 2084 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2085 | /* |
| 2086 | * END OF "GENERIC" ENCODE ROUTINES. |
| 2087 | */ |
| 2088 | |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2089 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
| 2090 | { |
| 2091 | #if defined(CONFIG_NFS_V4_1) |
Chuck Lever | 3bd2384 | 2013-08-09 12:49:19 -0400 | [diff] [blame] | 2092 | struct nfs4_session *session = args->sa_slot->table->session; |
| 2093 | if (session) |
| 2094 | return session->clp->cl_mvops->minor_version; |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2095 | #endif /* CONFIG_NFS_V4_1 */ |
| 2096 | return 0; |
| 2097 | } |
| 2098 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2099 | /* |
| 2100 | * Encode an ACCESS request |
| 2101 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2102 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2103 | const struct nfs4_accessargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2104 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2105 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2106 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2107 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2108 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2109 | encode_compound_hdr(xdr, req, &hdr); |
| 2110 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2111 | encode_putfh(xdr, args->fh, &hdr); |
| 2112 | encode_access(xdr, args->access, &hdr); |
| 2113 | encode_getfattr(xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2114 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2115 | } |
| 2116 | |
| 2117 | /* |
| 2118 | * Encode LOOKUP request |
| 2119 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2120 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2121 | const struct nfs4_lookup_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2122 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2123 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2124 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2125 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2126 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2127 | encode_compound_hdr(xdr, req, &hdr); |
| 2128 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2129 | encode_putfh(xdr, args->dir_fh, &hdr); |
| 2130 | encode_lookup(xdr, args->name, &hdr); |
| 2131 | encode_getfh(xdr, &hdr); |
| 2132 | encode_getfattr(xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2133 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2134 | } |
| 2135 | |
| 2136 | /* |
| 2137 | * Encode LOOKUP_ROOT request |
| 2138 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2139 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
| 2140 | struct xdr_stream *xdr, |
| 2141 | const struct nfs4_lookup_root_arg *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 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2144 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2145 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2146 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2147 | encode_compound_hdr(xdr, req, &hdr); |
| 2148 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2149 | encode_putrootfh(xdr, &hdr); |
| 2150 | encode_getfh(xdr, &hdr); |
| 2151 | encode_getfattr(xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2152 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2153 | } |
| 2154 | |
| 2155 | /* |
| 2156 | * Encode REMOVE request |
| 2157 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2158 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2159 | const struct nfs_removeargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2160 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2161 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2162 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2163 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2164 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2165 | encode_compound_hdr(xdr, req, &hdr); |
| 2166 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2167 | encode_putfh(xdr, args->fh, &hdr); |
| 2168 | encode_remove(xdr, &args->name, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2169 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2170 | } |
| 2171 | |
| 2172 | /* |
| 2173 | * Encode RENAME request |
| 2174 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2175 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2176 | const struct nfs_renameargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2177 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2178 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2179 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2180 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2181 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2182 | encode_compound_hdr(xdr, req, &hdr); |
| 2183 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2184 | encode_putfh(xdr, args->old_dir, &hdr); |
| 2185 | encode_savefh(xdr, &hdr); |
| 2186 | encode_putfh(xdr, args->new_dir, &hdr); |
| 2187 | encode_rename(xdr, args->old_name, args->new_name, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2188 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2189 | } |
| 2190 | |
| 2191 | /* |
| 2192 | * Encode LINK request |
| 2193 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2194 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2195 | const struct nfs4_link_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2196 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2197 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2198 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2199 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2200 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2201 | encode_compound_hdr(xdr, req, &hdr); |
| 2202 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2203 | encode_putfh(xdr, args->fh, &hdr); |
| 2204 | encode_savefh(xdr, &hdr); |
| 2205 | encode_putfh(xdr, args->dir_fh, &hdr); |
| 2206 | encode_link(xdr, args->name, &hdr); |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2207 | encode_restorefh(xdr, &hdr); |
| 2208 | encode_getfattr(xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2209 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2210 | } |
| 2211 | |
| 2212 | /* |
| 2213 | * Encode CREATE request |
| 2214 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2215 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2216 | const struct nfs4_create_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2217 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2218 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2219 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2220 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2221 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2222 | encode_compound_hdr(xdr, req, &hdr); |
| 2223 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2224 | encode_putfh(xdr, args->dir_fh, &hdr); |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2225 | encode_create(xdr, args, &hdr); |
| 2226 | encode_getfh(xdr, &hdr); |
| 2227 | encode_getfattr(xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2228 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2229 | } |
| 2230 | |
| 2231 | /* |
| 2232 | * Encode SYMLINK request |
| 2233 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2234 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2235 | const struct nfs4_create_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2236 | { |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2237 | nfs4_xdr_enc_create(req, xdr, args); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2238 | } |
| 2239 | |
| 2240 | /* |
| 2241 | * Encode GETATTR request |
| 2242 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2243 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2244 | const struct nfs4_getattr_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2245 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2246 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2247 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2248 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2249 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2250 | encode_compound_hdr(xdr, req, &hdr); |
| 2251 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2252 | encode_putfh(xdr, args->fh, &hdr); |
| 2253 | encode_getfattr(xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2254 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2255 | } |
| 2256 | |
| 2257 | /* |
| 2258 | * Encode a CLOSE request |
| 2259 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2260 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2261 | struct nfs_closeargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2262 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 2263 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2264 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 2265 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2266 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2267 | encode_compound_hdr(xdr, req, &hdr); |
| 2268 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2269 | encode_putfh(xdr, args->fh, &hdr); |
| 2270 | encode_close(xdr, args, &hdr); |
| 2271 | encode_getfattr(xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2272 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2273 | } |
| 2274 | |
| 2275 | /* |
| 2276 | * Encode an OPEN request |
| 2277 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2278 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2279 | struct nfs_openargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2280 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2281 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2282 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2283 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2284 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2285 | encode_compound_hdr(xdr, req, &hdr); |
| 2286 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2287 | encode_putfh(xdr, args->fh, &hdr); |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2288 | encode_open(xdr, args, &hdr); |
| 2289 | encode_getfh(xdr, &hdr); |
Weston Andros Adamson | ae2bb03 | 2012-10-02 14:49:52 -0700 | [diff] [blame] | 2290 | if (args->access) |
| 2291 | encode_access(xdr, args->access, &hdr); |
Trond Myklebust | 1549210f | 2012-06-05 09:16:47 -0400 | [diff] [blame] | 2292 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2293 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2294 | } |
| 2295 | |
| 2296 | /* |
| 2297 | * Encode an OPEN_CONFIRM request |
| 2298 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2299 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
| 2300 | struct xdr_stream *xdr, |
| 2301 | struct nfs_open_confirmargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2302 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2303 | struct compound_hdr hdr = { |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2304 | .nops = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2305 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2306 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2307 | encode_compound_hdr(xdr, req, &hdr); |
| 2308 | encode_putfh(xdr, args->fh, &hdr); |
| 2309 | encode_open_confirm(xdr, args, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2310 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2311 | } |
| 2312 | |
| 2313 | /* |
| 2314 | * Encode an OPEN request with no attributes. |
| 2315 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2316 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
| 2317 | struct xdr_stream *xdr, |
| 2318 | struct nfs_openargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2319 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2320 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2321 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2322 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2323 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2324 | encode_compound_hdr(xdr, req, &hdr); |
| 2325 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2326 | encode_putfh(xdr, args->fh, &hdr); |
| 2327 | encode_open(xdr, args, &hdr); |
Weston Andros Adamson | ae2bb03 | 2012-10-02 14:49:52 -0700 | [diff] [blame] | 2328 | if (args->access) |
| 2329 | encode_access(xdr, args->access, &hdr); |
Andy Adamson | e23008e | 2012-10-02 21:07:32 -0400 | [diff] [blame] | 2330 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2331 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2332 | } |
| 2333 | |
| 2334 | /* |
| 2335 | * Encode an OPEN_DOWNGRADE request |
| 2336 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2337 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
| 2338 | struct xdr_stream *xdr, |
| 2339 | struct nfs_closeargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2340 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2341 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2342 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2343 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2344 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2345 | encode_compound_hdr(xdr, req, &hdr); |
| 2346 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2347 | encode_putfh(xdr, args->fh, &hdr); |
| 2348 | encode_open_downgrade(xdr, args, &hdr); |
| 2349 | encode_getfattr(xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2350 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2351 | } |
| 2352 | |
| 2353 | /* |
| 2354 | * Encode a LOCK request |
| 2355 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2356 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2357 | struct nfs_lock_args *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2358 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2359 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2360 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2361 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2362 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2363 | encode_compound_hdr(xdr, req, &hdr); |
| 2364 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2365 | encode_putfh(xdr, args->fh, &hdr); |
| 2366 | encode_lock(xdr, args, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2367 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2368 | } |
| 2369 | |
| 2370 | /* |
| 2371 | * Encode a LOCKT request |
| 2372 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2373 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2374 | struct nfs_lockt_args *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2375 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2376 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2377 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2378 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2379 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2380 | encode_compound_hdr(xdr, req, &hdr); |
| 2381 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2382 | encode_putfh(xdr, args->fh, &hdr); |
| 2383 | encode_lockt(xdr, args, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2384 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2385 | } |
| 2386 | |
| 2387 | /* |
| 2388 | * Encode a LOCKU request |
| 2389 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2390 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2391 | struct nfs_locku_args *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2392 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2393 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2394 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2395 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2396 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2397 | encode_compound_hdr(xdr, req, &hdr); |
| 2398 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2399 | encode_putfh(xdr, args->fh, &hdr); |
| 2400 | encode_locku(xdr, args, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2401 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2402 | } |
| 2403 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2404 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
| 2405 | struct xdr_stream *xdr, |
| 2406 | struct nfs_release_lockowner_args *args) |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 2407 | { |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 2408 | struct compound_hdr hdr = { |
| 2409 | .minorversion = 0, |
| 2410 | }; |
| 2411 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2412 | encode_compound_hdr(xdr, req, &hdr); |
| 2413 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 2414 | encode_nops(&hdr); |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 2415 | } |
| 2416 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2417 | /* |
| 2418 | * Encode a READLINK request |
| 2419 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2420 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2421 | const struct nfs4_readlink *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2422 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2423 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2424 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2425 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2426 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2427 | encode_compound_hdr(xdr, req, &hdr); |
| 2428 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2429 | encode_putfh(xdr, args->fh, &hdr); |
| 2430 | encode_readlink(xdr, args, req, &hdr); |
Trond Myklebust | e3a535e | 2007-07-19 10:03:38 -0400 | [diff] [blame] | 2431 | |
Benny Halevy | 28f5669 | 2009-04-01 09:22:09 -0400 | [diff] [blame] | 2432 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
Trond Myklebust | e3a535e | 2007-07-19 10:03:38 -0400 | [diff] [blame] | 2433 | args->pgbase, args->pglen); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2434 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2435 | } |
| 2436 | |
| 2437 | /* |
| 2438 | * Encode a READDIR request |
| 2439 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2440 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2441 | const struct nfs4_readdir_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2442 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2443 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2444 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2445 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2446 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2447 | encode_compound_hdr(xdr, req, &hdr); |
| 2448 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2449 | encode_putfh(xdr, args->fh, &hdr); |
| 2450 | encode_readdir(xdr, args, req, &hdr); |
Trond Myklebust | d6ac02d | 2007-07-19 10:03:37 -0400 | [diff] [blame] | 2451 | |
Benny Halevy | 28f5669 | 2009-04-01 09:22:09 -0400 | [diff] [blame] | 2452 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
Trond Myklebust | d6ac02d | 2007-07-19 10:03:37 -0400 | [diff] [blame] | 2453 | args->pgbase, args->count); |
| 2454 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", |
Benny Halevy | 28f5669 | 2009-04-01 09:22:09 -0400 | [diff] [blame] | 2455 | __func__, hdr.replen << 2, args->pages, |
Trond Myklebust | d6ac02d | 2007-07-19 10:03:37 -0400 | [diff] [blame] | 2456 | args->pgbase, args->count); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2457 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2458 | } |
| 2459 | |
| 2460 | /* |
| 2461 | * Encode a READ request |
| 2462 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2463 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
Anna Schumaker | 3c6b899 | 2014-05-06 09:12:24 -0400 | [diff] [blame] | 2464 | struct nfs_pgio_args *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2465 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2466 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2467 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2468 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2469 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2470 | encode_compound_hdr(xdr, req, &hdr); |
| 2471 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2472 | encode_putfh(xdr, args->fh, &hdr); |
| 2473 | encode_read(xdr, args, &hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2474 | |
Benny Halevy | 28f5669 | 2009-04-01 09:22:09 -0400 | [diff] [blame] | 2475 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2476 | args->pages, args->pgbase, args->count); |
\"Talpey, Thomas\ | 4f22ccc | 2007-09-10 13:44:58 -0400 | [diff] [blame] | 2477 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2478 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2479 | } |
| 2480 | |
| 2481 | /* |
| 2482 | * Encode an SETATTR request |
| 2483 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2484 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2485 | struct nfs_setattrargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2486 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 2487 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2488 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 2489 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2490 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2491 | encode_compound_hdr(xdr, req, &hdr); |
| 2492 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2493 | encode_putfh(xdr, args->fh, &hdr); |
| 2494 | encode_setattr(xdr, args, args->server, &hdr); |
| 2495 | encode_getfattr(xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2496 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2497 | } |
| 2498 | |
| 2499 | /* |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 2500 | * Encode a GETACL request |
| 2501 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2502 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2503 | struct nfs_getaclargs *args) |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 2504 | { |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 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), |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 2507 | }; |
Benny Halevy | 28f5669 | 2009-04-01 09:22:09 -0400 | [diff] [blame] | 2508 | uint32_t replen; |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 2509 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2510 | encode_compound_hdr(xdr, req, &hdr); |
| 2511 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2512 | encode_putfh(xdr, args->fh, &hdr); |
Andy Adamson | bf118a3 | 2011-12-07 11:55:27 -0500 | [diff] [blame] | 2513 | replen = hdr.replen + op_decode_hdr_maxsz + 1; |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2514 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2515 | |
Benny Halevy | 28f5669 | 2009-04-01 09:22:09 -0400 | [diff] [blame] | 2516 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 2517 | args->acl_pages, args->acl_pgbase, args->acl_len); |
Andy Adamson | bf118a3 | 2011-12-07 11:55:27 -0500 | [diff] [blame] | 2518 | |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2519 | encode_nops(&hdr); |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 2520 | } |
| 2521 | |
| 2522 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2523 | * Encode a WRITE request |
| 2524 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2525 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
Anna Schumaker | 3c6b899 | 2014-05-06 09:12:24 -0400 | [diff] [blame] | 2526 | struct nfs_pgio_args *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2527 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2528 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2529 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2530 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2531 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2532 | encode_compound_hdr(xdr, req, &hdr); |
| 2533 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2534 | encode_putfh(xdr, args->fh, &hdr); |
| 2535 | encode_write(xdr, args, &hdr); |
\"Talpey, Thomas\ | 4f22ccc | 2007-09-10 13:44:58 -0400 | [diff] [blame] | 2536 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
Fred Isaman | 7ffd106 | 2011-03-03 15:13:46 +0000 | [diff] [blame] | 2537 | if (args->bitmask) |
| 2538 | encode_getfattr(xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2539 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2540 | } |
| 2541 | |
| 2542 | /* |
| 2543 | * a COMMIT request |
| 2544 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2545 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
Fred Isaman | 0b7c015 | 2012-04-20 14:47:39 -0400 | [diff] [blame] | 2546 | struct nfs_commitargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2547 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2548 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2549 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2550 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2551 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2552 | encode_compound_hdr(xdr, req, &hdr); |
| 2553 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2554 | encode_putfh(xdr, args->fh, &hdr); |
| 2555 | encode_commit(xdr, args, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2556 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2557 | } |
| 2558 | |
| 2559 | /* |
| 2560 | * FSINFO request |
| 2561 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2562 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2563 | struct nfs4_fsinfo_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2564 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2565 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2566 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2567 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2568 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2569 | encode_compound_hdr(xdr, req, &hdr); |
| 2570 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2571 | encode_putfh(xdr, args->fh, &hdr); |
| 2572 | encode_fsinfo(xdr, args->bitmask, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2573 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2574 | } |
| 2575 | |
| 2576 | /* |
| 2577 | * a PATHCONF request |
| 2578 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2579 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2580 | const struct nfs4_pathconf_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2581 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2582 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2583 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2584 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2585 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2586 | encode_compound_hdr(xdr, req, &hdr); |
| 2587 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2588 | encode_putfh(xdr, args->fh, &hdr); |
| 2589 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2590 | &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2591 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2592 | } |
| 2593 | |
| 2594 | /* |
| 2595 | * a STATFS request |
| 2596 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2597 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2598 | const struct nfs4_statfs_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2599 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2600 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2601 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2602 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2603 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2604 | encode_compound_hdr(xdr, req, &hdr); |
| 2605 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2606 | encode_putfh(xdr, args->fh, &hdr); |
| 2607 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2608 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2609 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2610 | } |
| 2611 | |
| 2612 | /* |
| 2613 | * GETATTR_BITMAP request |
| 2614 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2615 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
| 2616 | struct xdr_stream *xdr, |
| 2617 | struct nfs4_server_caps_arg *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2618 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2619 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2620 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2621 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2622 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2623 | encode_compound_hdr(xdr, req, &hdr); |
| 2624 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2625 | encode_putfh(xdr, args->fhandle, &hdr); |
| 2626 | encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| |
Chuck Lever | 264e635 | 2012-03-01 17:02:05 -0500 | [diff] [blame] | 2627 | FATTR4_WORD0_FH_EXPIRE_TYPE| |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2628 | FATTR4_WORD0_LINK_SUPPORT| |
| 2629 | FATTR4_WORD0_SYMLINK_SUPPORT| |
| 2630 | FATTR4_WORD0_ACLSUPPORT, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2631 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2632 | } |
| 2633 | |
| 2634 | /* |
| 2635 | * a RENEW request |
| 2636 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2637 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2638 | struct nfs_client *clp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2639 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2640 | struct compound_hdr hdr = { |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2641 | .nops = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2642 | }; |
| 2643 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2644 | encode_compound_hdr(xdr, req, &hdr); |
Chuck Lever | bb4dae5 | 2012-03-01 17:01:48 -0500 | [diff] [blame] | 2645 | encode_renew(xdr, clp->cl_clientid, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2646 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2647 | } |
| 2648 | |
| 2649 | /* |
| 2650 | * a SETCLIENTID request |
| 2651 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2652 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
| 2653 | struct xdr_stream *xdr, |
| 2654 | struct nfs4_setclientid *sc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2655 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2656 | struct compound_hdr hdr = { |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2657 | .nops = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2658 | }; |
| 2659 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2660 | encode_compound_hdr(xdr, req, &hdr); |
| 2661 | encode_setclientid(xdr, sc, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2662 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2663 | } |
| 2664 | |
| 2665 | /* |
| 2666 | * a SETCLIENTID_CONFIRM request |
| 2667 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2668 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
| 2669 | struct xdr_stream *xdr, |
| 2670 | struct nfs4_setclientid_res *arg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2671 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2672 | struct compound_hdr hdr = { |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2673 | .nops = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2674 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2675 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2676 | encode_compound_hdr(xdr, req, &hdr); |
| 2677 | encode_setclientid_confirm(xdr, arg, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2678 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2679 | } |
| 2680 | |
| 2681 | /* |
| 2682 | * DELEGRETURN request |
| 2683 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2684 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
| 2685 | struct xdr_stream *xdr, |
| 2686 | const struct nfs4_delegreturnargs *args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2687 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2688 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2689 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2690 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2691 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2692 | encode_compound_hdr(xdr, req, &hdr); |
| 2693 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2694 | encode_putfh(xdr, args->fhandle, &hdr); |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2695 | encode_getfattr(xdr, args->bitmask, &hdr); |
Trond Myklebust | e144cbc | 2012-04-28 16:05:03 -0400 | [diff] [blame] | 2696 | encode_delegreturn(xdr, args->stateid, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2697 | encode_nops(&hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2698 | } |
| 2699 | |
| 2700 | /* |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2701 | * Encode FS_LOCATIONS request |
| 2702 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2703 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
| 2704 | struct xdr_stream *xdr, |
| 2705 | struct nfs4_fs_locations_arg *args) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2706 | { |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2707 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 2708 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2709 | }; |
Benny Halevy | 28f5669 | 2009-04-01 09:22:09 -0400 | [diff] [blame] | 2710 | uint32_t replen; |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2711 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2712 | encode_compound_hdr(xdr, req, &hdr); |
| 2713 | encode_sequence(xdr, &args->seq_args, &hdr); |
Chuck Lever | b03d735 | 2013-10-17 14:12:50 -0400 | [diff] [blame] | 2714 | if (args->migration) { |
| 2715 | encode_putfh(xdr, args->fh, &hdr); |
| 2716 | replen = hdr.replen; |
| 2717 | encode_fs_locations(xdr, args->bitmask, &hdr); |
| 2718 | if (args->renew) |
| 2719 | encode_renew(xdr, args->clientid, &hdr); |
| 2720 | } else { |
| 2721 | encode_putfh(xdr, args->dir_fh, &hdr); |
| 2722 | encode_lookup(xdr, args->name, &hdr); |
| 2723 | replen = hdr.replen; |
| 2724 | encode_fs_locations(xdr, args->bitmask, &hdr); |
| 2725 | } |
Andy Adamson | cf8cdbe | 2008-12-23 16:06:18 -0500 | [diff] [blame] | 2726 | |
Chuck Lever | b03d735 | 2013-10-17 14:12:50 -0400 | [diff] [blame] | 2727 | /* Set up reply kvec to capture returned fs_locations array. */ |
Benny Halevy | 28f5669 | 2009-04-01 09:22:09 -0400 | [diff] [blame] | 2728 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2729 | 0, PAGE_SIZE); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 2730 | encode_nops(&hdr); |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 2731 | } |
| 2732 | |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 2733 | /* |
| 2734 | * Encode SECINFO request |
| 2735 | */ |
| 2736 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, |
| 2737 | struct xdr_stream *xdr, |
| 2738 | struct nfs4_secinfo_arg *args) |
| 2739 | { |
| 2740 | struct compound_hdr hdr = { |
| 2741 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
| 2742 | }; |
| 2743 | |
| 2744 | encode_compound_hdr(xdr, req, &hdr); |
| 2745 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2746 | encode_putfh(xdr, args->dir_fh, &hdr); |
| 2747 | encode_secinfo(xdr, args->name, &hdr); |
| 2748 | encode_nops(&hdr); |
| 2749 | } |
| 2750 | |
Chuck Lever | 44c9993 | 2013-10-17 14:13:30 -0400 | [diff] [blame] | 2751 | /* |
| 2752 | * Encode FSID_PRESENT request |
| 2753 | */ |
| 2754 | static void nfs4_xdr_enc_fsid_present(struct rpc_rqst *req, |
| 2755 | struct xdr_stream *xdr, |
| 2756 | struct nfs4_fsid_present_arg *args) |
| 2757 | { |
| 2758 | struct compound_hdr hdr = { |
| 2759 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
| 2760 | }; |
| 2761 | |
| 2762 | encode_compound_hdr(xdr, req, &hdr); |
| 2763 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2764 | encode_putfh(xdr, args->fh, &hdr); |
| 2765 | encode_getfh(xdr, &hdr); |
| 2766 | if (args->renew) |
| 2767 | encode_renew(xdr, args->clientid, &hdr); |
| 2768 | encode_nops(&hdr); |
| 2769 | } |
| 2770 | |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 2771 | #if defined(CONFIG_NFS_V4_1) |
| 2772 | /* |
Weston Andros Adamson | 7c44f1ae | 2012-05-24 13:22:50 -0400 | [diff] [blame] | 2773 | * BIND_CONN_TO_SESSION request |
| 2774 | */ |
| 2775 | static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst *req, |
| 2776 | struct xdr_stream *xdr, |
| 2777 | struct nfs_client *clp) |
| 2778 | { |
| 2779 | struct compound_hdr hdr = { |
| 2780 | .minorversion = clp->cl_mvops->minor_version, |
| 2781 | }; |
| 2782 | |
| 2783 | encode_compound_hdr(xdr, req, &hdr); |
| 2784 | encode_bind_conn_to_session(xdr, clp->cl_session, &hdr); |
| 2785 | encode_nops(&hdr); |
| 2786 | } |
| 2787 | |
| 2788 | /* |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 2789 | * EXCHANGE_ID request |
| 2790 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2791 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
| 2792 | struct xdr_stream *xdr, |
| 2793 | struct nfs41_exchange_id_args *args) |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 2794 | { |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 2795 | struct compound_hdr hdr = { |
Trond Myklebust | a443234 | 2010-06-16 09:52:27 -0400 | [diff] [blame] | 2796 | .minorversion = args->client->cl_mvops->minor_version, |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 2797 | }; |
| 2798 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2799 | encode_compound_hdr(xdr, req, &hdr); |
| 2800 | encode_exchange_id(xdr, args, &hdr); |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 2801 | encode_nops(&hdr); |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 2802 | } |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 2803 | |
| 2804 | /* |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 2805 | * a CREATE_SESSION request |
| 2806 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2807 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
| 2808 | struct xdr_stream *xdr, |
| 2809 | struct nfs41_create_session_args *args) |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 2810 | { |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 2811 | struct compound_hdr hdr = { |
Trond Myklebust | a443234 | 2010-06-16 09:52:27 -0400 | [diff] [blame] | 2812 | .minorversion = args->client->cl_mvops->minor_version, |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 2813 | }; |
| 2814 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2815 | encode_compound_hdr(xdr, req, &hdr); |
| 2816 | encode_create_session(xdr, args, &hdr); |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 2817 | encode_nops(&hdr); |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 2818 | } |
| 2819 | |
| 2820 | /* |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 2821 | * a DESTROY_SESSION request |
| 2822 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2823 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
| 2824 | struct xdr_stream *xdr, |
| 2825 | struct nfs4_session *session) |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 2826 | { |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 2827 | struct compound_hdr hdr = { |
Trond Myklebust | a443234 | 2010-06-16 09:52:27 -0400 | [diff] [blame] | 2828 | .minorversion = session->clp->cl_mvops->minor_version, |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 2829 | }; |
| 2830 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2831 | encode_compound_hdr(xdr, req, &hdr); |
| 2832 | encode_destroy_session(xdr, session, &hdr); |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 2833 | encode_nops(&hdr); |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 2834 | } |
| 2835 | |
| 2836 | /* |
Trond Myklebust | 6624553 | 2012-05-25 17:18:09 -0400 | [diff] [blame] | 2837 | * a DESTROY_CLIENTID request |
| 2838 | */ |
| 2839 | static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst *req, |
| 2840 | struct xdr_stream *xdr, |
| 2841 | struct nfs_client *clp) |
| 2842 | { |
| 2843 | struct compound_hdr hdr = { |
| 2844 | .minorversion = clp->cl_mvops->minor_version, |
| 2845 | }; |
| 2846 | |
| 2847 | encode_compound_hdr(xdr, req, &hdr); |
| 2848 | encode_destroy_clientid(xdr, clp->cl_clientid, &hdr); |
| 2849 | encode_nops(&hdr); |
| 2850 | } |
| 2851 | |
| 2852 | /* |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 2853 | * a SEQUENCE request |
| 2854 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2855 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 2856 | struct nfs4_sequence_args *args) |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 2857 | { |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 2858 | struct compound_hdr hdr = { |
| 2859 | .minorversion = nfs4_xdr_minorversion(args), |
| 2860 | }; |
| 2861 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2862 | encode_compound_hdr(xdr, req, &hdr); |
| 2863 | encode_sequence(xdr, args, &hdr); |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 2864 | encode_nops(&hdr); |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 2865 | } |
| 2866 | |
| 2867 | /* |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 2868 | * a GET_LEASE_TIME request |
| 2869 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2870 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
| 2871 | struct xdr_stream *xdr, |
| 2872 | struct nfs4_get_lease_time_args *args) |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 2873 | { |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 2874 | struct compound_hdr hdr = { |
| 2875 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), |
| 2876 | }; |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 2877 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 2878 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2879 | encode_compound_hdr(xdr, req, &hdr); |
| 2880 | encode_sequence(xdr, &args->la_seq_args, &hdr); |
| 2881 | encode_putrootfh(xdr, &hdr); |
| 2882 | encode_fsinfo(xdr, lease_bitmap, &hdr); |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 2883 | encode_nops(&hdr); |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 2884 | } |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 2885 | |
| 2886 | /* |
| 2887 | * a RECLAIM_COMPLETE request |
| 2888 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2889 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
| 2890 | struct xdr_stream *xdr, |
| 2891 | struct nfs41_reclaim_complete_args *args) |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 2892 | { |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 2893 | struct compound_hdr hdr = { |
| 2894 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) |
| 2895 | }; |
| 2896 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2897 | encode_compound_hdr(xdr, req, &hdr); |
| 2898 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2899 | encode_reclaim_complete(xdr, args, &hdr); |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 2900 | encode_nops(&hdr); |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 2901 | } |
| 2902 | |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 2903 | /* |
Andy Adamson | 7f11d8d | 2011-07-30 20:52:35 -0400 | [diff] [blame] | 2904 | * Encode GETDEVICELIST request |
| 2905 | */ |
| 2906 | static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst *req, |
| 2907 | struct xdr_stream *xdr, |
| 2908 | struct nfs4_getdevicelist_args *args) |
| 2909 | { |
| 2910 | struct compound_hdr hdr = { |
| 2911 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
| 2912 | }; |
| 2913 | |
| 2914 | encode_compound_hdr(xdr, req, &hdr); |
| 2915 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2916 | encode_putfh(xdr, args->fh, &hdr); |
| 2917 | encode_getdevicelist(xdr, args, &hdr); |
| 2918 | encode_nops(&hdr); |
| 2919 | } |
| 2920 | |
| 2921 | /* |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 2922 | * Encode GETDEVICEINFO request |
| 2923 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2924 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
| 2925 | struct xdr_stream *xdr, |
| 2926 | struct nfs4_getdeviceinfo_args *args) |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 2927 | { |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 2928 | struct compound_hdr hdr = { |
| 2929 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
| 2930 | }; |
| 2931 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2932 | encode_compound_hdr(xdr, req, &hdr); |
| 2933 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2934 | encode_getdeviceinfo(xdr, args, &hdr); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 2935 | |
| 2936 | /* set up reply kvec. Subtract notification bitmap max size (2) |
| 2937 | * so that notification bitmap is put in xdr_buf tail */ |
| 2938 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, |
| 2939 | args->pdev->pages, args->pdev->pgbase, |
| 2940 | args->pdev->pglen); |
| 2941 | |
| 2942 | encode_nops(&hdr); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 2943 | } |
| 2944 | |
| 2945 | /* |
| 2946 | * Encode LAYOUTGET request |
| 2947 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2948 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
| 2949 | struct xdr_stream *xdr, |
| 2950 | struct nfs4_layoutget_args *args) |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 2951 | { |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 2952 | struct compound_hdr hdr = { |
| 2953 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
| 2954 | }; |
| 2955 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 2956 | encode_compound_hdr(xdr, req, &hdr); |
| 2957 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2958 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); |
| 2959 | encode_layoutget(xdr, args, &hdr); |
Weston Andros Adamson | 35124a0 | 2011-03-24 16:48:21 -0400 | [diff] [blame] | 2960 | |
| 2961 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
| 2962 | args->layout.pages, 0, args->layout.pglen); |
| 2963 | |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 2964 | encode_nops(&hdr); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 2965 | } |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 2966 | |
| 2967 | /* |
| 2968 | * Encode LAYOUTCOMMIT request |
| 2969 | */ |
Benny Halevy | cbe8260 | 2011-05-22 19:52:37 +0300 | [diff] [blame] | 2970 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
| 2971 | struct xdr_stream *xdr, |
| 2972 | struct nfs4_layoutcommit_args *args) |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 2973 | { |
Benny Halevy | ac7db72 | 2011-05-22 19:53:48 +0300 | [diff] [blame] | 2974 | struct nfs4_layoutcommit_data *data = |
| 2975 | container_of(args, struct nfs4_layoutcommit_data, args); |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 2976 | struct compound_hdr hdr = { |
| 2977 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
| 2978 | }; |
| 2979 | |
| 2980 | encode_compound_hdr(xdr, req, &hdr); |
| 2981 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 2982 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); |
Benny Halevy | ac7db72 | 2011-05-22 19:53:48 +0300 | [diff] [blame] | 2983 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 2984 | encode_getfattr(xdr, args->bitmask, &hdr); |
| 2985 | encode_nops(&hdr); |
Benny Halevy | cbe8260 | 2011-05-22 19:52:37 +0300 | [diff] [blame] | 2986 | } |
| 2987 | |
| 2988 | /* |
| 2989 | * Encode LAYOUTRETURN request |
| 2990 | */ |
| 2991 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, |
| 2992 | struct xdr_stream *xdr, |
| 2993 | struct nfs4_layoutreturn_args *args) |
| 2994 | { |
| 2995 | struct compound_hdr hdr = { |
| 2996 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
| 2997 | }; |
| 2998 | |
| 2999 | encode_compound_hdr(xdr, req, &hdr); |
| 3000 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 3001 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); |
| 3002 | encode_layoutreturn(xdr, args, &hdr); |
| 3003 | encode_nops(&hdr); |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 3004 | } |
Bryan Schumaker | fca78d6 | 2011-06-02 14:59:07 -0400 | [diff] [blame] | 3005 | |
| 3006 | /* |
| 3007 | * Encode SECINFO_NO_NAME request |
| 3008 | */ |
| 3009 | static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, |
| 3010 | struct xdr_stream *xdr, |
| 3011 | struct nfs41_secinfo_no_name_args *args) |
| 3012 | { |
| 3013 | struct compound_hdr hdr = { |
| 3014 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
| 3015 | }; |
| 3016 | |
| 3017 | encode_compound_hdr(xdr, req, &hdr); |
| 3018 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 3019 | encode_putrootfh(xdr, &hdr); |
| 3020 | encode_secinfo_no_name(xdr, args, &hdr); |
| 3021 | encode_nops(&hdr); |
| 3022 | return 0; |
| 3023 | } |
Bryan Schumaker | 7d97479 | 2011-06-02 14:59:08 -0400 | [diff] [blame] | 3024 | |
| 3025 | /* |
| 3026 | * Encode TEST_STATEID request |
| 3027 | */ |
| 3028 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, |
| 3029 | struct xdr_stream *xdr, |
| 3030 | struct nfs41_test_stateid_args *args) |
| 3031 | { |
| 3032 | struct compound_hdr hdr = { |
| 3033 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
| 3034 | }; |
| 3035 | |
| 3036 | encode_compound_hdr(xdr, req, &hdr); |
| 3037 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 3038 | encode_test_stateid(xdr, args, &hdr); |
| 3039 | encode_nops(&hdr); |
| 3040 | } |
Bryan Schumaker | 9aeda35 | 2011-06-02 14:59:09 -0400 | [diff] [blame] | 3041 | |
| 3042 | /* |
| 3043 | * Encode FREE_STATEID request |
| 3044 | */ |
| 3045 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, |
| 3046 | struct xdr_stream *xdr, |
| 3047 | struct nfs41_free_stateid_args *args) |
| 3048 | { |
| 3049 | struct compound_hdr hdr = { |
| 3050 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
| 3051 | }; |
| 3052 | |
| 3053 | encode_compound_hdr(xdr, req, &hdr); |
| 3054 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 3055 | encode_free_stateid(xdr, args, &hdr); |
| 3056 | encode_nops(&hdr); |
| 3057 | } |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 3058 | #endif /* CONFIG_NFS_V4_1 */ |
| 3059 | |
Benny Halevy | 686841b | 2009-08-14 17:19:48 +0300 | [diff] [blame] | 3060 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
| 3061 | { |
| 3062 | dprintk("nfs: %s: prematurely hit end of receive buffer. " |
| 3063 | "Remaining buffer length is %tu words.\n", |
| 3064 | func, xdr->end - xdr->p); |
| 3065 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3066 | |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3067 | 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] | 3068 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3069 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3070 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3071 | p = xdr_inline_decode(xdr, 4); |
| 3072 | if (unlikely(!p)) |
| 3073 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3074 | *len = be32_to_cpup(p); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3075 | p = xdr_inline_decode(xdr, *len); |
| 3076 | if (unlikely(!p)) |
| 3077 | goto out_overflow; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3078 | *string = (char *)p; |
| 3079 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3080 | out_overflow: |
| 3081 | print_overflow_msg(__func__, xdr); |
| 3082 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3083 | } |
| 3084 | |
| 3085 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) |
| 3086 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3087 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3088 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3089 | p = xdr_inline_decode(xdr, 8); |
| 3090 | if (unlikely(!p)) |
| 3091 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 3092 | hdr->status = be32_to_cpup(p++); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3093 | hdr->taglen = be32_to_cpup(p); |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 3094 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3095 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
| 3096 | if (unlikely(!p)) |
| 3097 | goto out_overflow; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3098 | hdr->tag = (char *)p; |
| 3099 | p += XDR_QUADLEN(hdr->taglen); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3100 | hdr->nops = be32_to_cpup(p); |
Benny Halevy | aadf615 | 2008-12-23 16:06:13 -0500 | [diff] [blame] | 3101 | if (unlikely(hdr->nops < 1)) |
| 3102 | return nfs4_stat_to_errno(hdr->status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3103 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3104 | out_overflow: |
| 3105 | print_overflow_msg(__func__, xdr); |
| 3106 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3107 | } |
| 3108 | |
Trond Myklebust | c7848f6 | 2013-12-04 17:39:23 -0500 | [diff] [blame] | 3109 | static bool __decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected, |
| 3110 | int *nfs_retval) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3111 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3112 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3113 | uint32_t opnum; |
| 3114 | int32_t nfserr; |
| 3115 | |
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 | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 3119 | opnum = be32_to_cpup(p++); |
Trond Myklebust | c7848f6 | 2013-12-04 17:39:23 -0500 | [diff] [blame] | 3120 | if (unlikely(opnum != expected)) |
| 3121 | goto out_bad_operation; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3122 | nfserr = be32_to_cpup(p); |
Trond Myklebust | c7848f6 | 2013-12-04 17:39:23 -0500 | [diff] [blame] | 3123 | if (nfserr == NFS_OK) |
| 3124 | *nfs_retval = 0; |
| 3125 | else |
| 3126 | *nfs_retval = nfs4_stat_to_errno(nfserr); |
| 3127 | return true; |
| 3128 | out_bad_operation: |
| 3129 | dprintk("nfs: Server returned operation" |
| 3130 | " %d but we issued a request for %d\n", |
| 3131 | opnum, expected); |
| 3132 | *nfs_retval = -EREMOTEIO; |
| 3133 | return false; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3134 | out_overflow: |
| 3135 | print_overflow_msg(__func__, xdr); |
Trond Myklebust | c7848f6 | 2013-12-04 17:39:23 -0500 | [diff] [blame] | 3136 | *nfs_retval = -EIO; |
| 3137 | return false; |
| 3138 | } |
| 3139 | |
| 3140 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) |
| 3141 | { |
| 3142 | int retval; |
| 3143 | |
| 3144 | __decode_op_hdr(xdr, expected, &retval); |
| 3145 | return retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3146 | } |
| 3147 | |
| 3148 | /* Dummy routine */ |
David Howells | adfa6f9 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 3149 | 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] | 3150 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3151 | __be32 *p; |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3152 | unsigned int strlen; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3153 | char *str; |
| 3154 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3155 | p = xdr_inline_decode(xdr, 12); |
| 3156 | if (likely(p)) |
| 3157 | return decode_opaque_inline(xdr, &strlen, &str); |
| 3158 | print_overflow_msg(__func__, xdr); |
| 3159 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3160 | } |
| 3161 | |
| 3162 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) |
| 3163 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3164 | uint32_t bmlen; |
| 3165 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3166 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3167 | p = xdr_inline_decode(xdr, 4); |
| 3168 | if (unlikely(!p)) |
| 3169 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3170 | bmlen = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3171 | |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 3172 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3173 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
| 3174 | if (unlikely(!p)) |
| 3175 | goto out_overflow; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3176 | if (bmlen > 0) { |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 3177 | bitmap[0] = be32_to_cpup(p++); |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 3178 | if (bmlen > 1) { |
| 3179 | bitmap[1] = be32_to_cpup(p++); |
| 3180 | if (bmlen > 2) |
| 3181 | bitmap[2] = be32_to_cpup(p); |
| 3182 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3183 | } |
| 3184 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3185 | out_overflow: |
| 3186 | print_overflow_msg(__func__, xdr); |
| 3187 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3188 | } |
| 3189 | |
Trond Myklebust | 256e48b | 2012-06-21 11:18:13 -0400 | [diff] [blame] | 3190 | static int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, unsigned int *savep) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3191 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3192 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3193 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3194 | p = xdr_inline_decode(xdr, 4); |
| 3195 | if (unlikely(!p)) |
| 3196 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3197 | *attrlen = be32_to_cpup(p); |
Trond Myklebust | 256e48b | 2012-06-21 11:18:13 -0400 | [diff] [blame] | 3198 | *savep = xdr_stream_pos(xdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3199 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3200 | out_overflow: |
| 3201 | print_overflow_msg(__func__, xdr); |
| 3202 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3203 | } |
| 3204 | |
| 3205 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) |
| 3206 | { |
| 3207 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { |
Roman Borisov | 3388bff | 2010-10-13 16:54:51 +0400 | [diff] [blame] | 3208 | int ret; |
| 3209 | ret = decode_attr_bitmap(xdr, bitmask); |
| 3210 | if (unlikely(ret < 0)) |
| 3211 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3212 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
| 3213 | } else |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 3214 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
| 3215 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, |
| 3216 | bitmask[0], bitmask[1], bitmask[2]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3217 | return 0; |
| 3218 | } |
| 3219 | |
| 3220 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) |
| 3221 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3222 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3223 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3224 | |
| 3225 | *type = 0; |
| 3226 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) |
| 3227 | return -EIO; |
| 3228 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3229 | p = xdr_inline_decode(xdr, 4); |
| 3230 | if (unlikely(!p)) |
| 3231 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3232 | *type = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3233 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3234 | dprintk("%s: bad type %d\n", __func__, *type); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3235 | return -EIO; |
| 3236 | } |
| 3237 | bitmap[0] &= ~FATTR4_WORD0_TYPE; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3238 | ret = NFS_ATTR_FATTR_TYPE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3239 | } |
Trond Myklebust | bca7947 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 3240 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3241 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3242 | out_overflow: |
| 3243 | print_overflow_msg(__func__, xdr); |
| 3244 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3245 | } |
| 3246 | |
Chuck Lever | 264e635 | 2012-03-01 17:02:05 -0500 | [diff] [blame] | 3247 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
| 3248 | uint32_t *bitmap, uint32_t *type) |
| 3249 | { |
| 3250 | __be32 *p; |
| 3251 | |
| 3252 | *type = 0; |
| 3253 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) |
| 3254 | return -EIO; |
| 3255 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { |
| 3256 | p = xdr_inline_decode(xdr, 4); |
| 3257 | if (unlikely(!p)) |
| 3258 | goto out_overflow; |
| 3259 | *type = be32_to_cpup(p); |
| 3260 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; |
| 3261 | } |
| 3262 | dprintk("%s: expire type=0x%x\n", __func__, *type); |
| 3263 | return 0; |
| 3264 | out_overflow: |
| 3265 | print_overflow_msg(__func__, xdr); |
| 3266 | return -EIO; |
| 3267 | } |
| 3268 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3269 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
| 3270 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3271 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3272 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3273 | |
| 3274 | *change = 0; |
| 3275 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) |
| 3276 | return -EIO; |
| 3277 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3278 | p = xdr_inline_decode(xdr, 8); |
| 3279 | if (unlikely(!p)) |
| 3280 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3281 | xdr_decode_hyper(p, change); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3282 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3283 | ret = NFS_ATTR_FATTR_CHANGE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3284 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3285 | dprintk("%s: change attribute=%Lu\n", __func__, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3286 | (unsigned long long)*change); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3287 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3288 | out_overflow: |
| 3289 | print_overflow_msg(__func__, xdr); |
| 3290 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3291 | } |
| 3292 | |
| 3293 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) |
| 3294 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3295 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3296 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3297 | |
| 3298 | *size = 0; |
| 3299 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) |
| 3300 | return -EIO; |
| 3301 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3302 | p = xdr_inline_decode(xdr, 8); |
| 3303 | if (unlikely(!p)) |
| 3304 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3305 | xdr_decode_hyper(p, size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3306 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3307 | ret = NFS_ATTR_FATTR_SIZE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3308 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3309 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3310 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3311 | out_overflow: |
| 3312 | print_overflow_msg(__func__, xdr); |
| 3313 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3314 | } |
| 3315 | |
| 3316 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 3317 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3318 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3319 | |
| 3320 | *res = 0; |
| 3321 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) |
| 3322 | return -EIO; |
| 3323 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3324 | p = xdr_inline_decode(xdr, 4); |
| 3325 | if (unlikely(!p)) |
| 3326 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3327 | *res = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3328 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
| 3329 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3330 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3331 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3332 | out_overflow: |
| 3333 | print_overflow_msg(__func__, xdr); |
| 3334 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3335 | } |
| 3336 | |
| 3337 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 3338 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3339 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3340 | |
| 3341 | *res = 0; |
| 3342 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) |
| 3343 | return -EIO; |
| 3344 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3345 | p = xdr_inline_decode(xdr, 4); |
| 3346 | if (unlikely(!p)) |
| 3347 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3348 | *res = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3349 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
| 3350 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3351 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3352 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3353 | out_overflow: |
| 3354 | print_overflow_msg(__func__, xdr); |
| 3355 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3356 | } |
| 3357 | |
Trond Myklebust | 8b4bdcf | 2006-06-09 09:34:19 -0400 | [diff] [blame] | 3358 | 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] | 3359 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3360 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3361 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3362 | |
| 3363 | fsid->major = 0; |
| 3364 | fsid->minor = 0; |
| 3365 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) |
| 3366 | return -EIO; |
| 3367 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3368 | p = xdr_inline_decode(xdr, 16); |
| 3369 | if (unlikely(!p)) |
| 3370 | goto out_overflow; |
Benny Halevy | 3ceb4db | 2009-08-14 17:19:41 +0300 | [diff] [blame] | 3371 | p = xdr_decode_hyper(p, &fsid->major); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3372 | xdr_decode_hyper(p, &fsid->minor); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3373 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3374 | ret = NFS_ATTR_FATTR_FSID; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3375 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3376 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3377 | (unsigned long long)fsid->major, |
| 3378 | (unsigned long long)fsid->minor); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3379 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3380 | out_overflow: |
| 3381 | print_overflow_msg(__func__, xdr); |
| 3382 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3383 | } |
| 3384 | |
| 3385 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 3386 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3387 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3388 | |
| 3389 | *res = 60; |
| 3390 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) |
| 3391 | return -EIO; |
| 3392 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3393 | p = xdr_inline_decode(xdr, 4); |
| 3394 | if (unlikely(!p)) |
| 3395 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3396 | *res = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3397 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
| 3398 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3399 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3400 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3401 | out_overflow: |
| 3402 | print_overflow_msg(__func__, xdr); |
| 3403 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3404 | } |
| 3405 | |
Trond Myklebust | ee7b75f | 2011-06-16 13:15:41 -0400 | [diff] [blame] | 3406 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 3407 | { |
| 3408 | __be32 *p; |
| 3409 | |
| 3410 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) |
| 3411 | return -EIO; |
| 3412 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { |
| 3413 | p = xdr_inline_decode(xdr, 4); |
| 3414 | if (unlikely(!p)) |
| 3415 | goto out_overflow; |
| 3416 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; |
Trond Myklebust | ee7b75f | 2011-06-16 13:15:41 -0400 | [diff] [blame] | 3417 | *res = -be32_to_cpup(p); |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 3418 | } |
| 3419 | return 0; |
| 3420 | out_overflow: |
| 3421 | print_overflow_msg(__func__, xdr); |
| 3422 | return -EIO; |
| 3423 | } |
| 3424 | |
| 3425 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) |
| 3426 | { |
| 3427 | __be32 *p; |
| 3428 | int len; |
| 3429 | |
Trond Myklebust | 7ad0735 | 2010-10-23 15:34:20 -0400 | [diff] [blame] | 3430 | if (fh != NULL) |
| 3431 | memset(fh, 0, sizeof(*fh)); |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 3432 | |
| 3433 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) |
| 3434 | return -EIO; |
| 3435 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { |
| 3436 | p = xdr_inline_decode(xdr, 4); |
| 3437 | if (unlikely(!p)) |
| 3438 | goto out_overflow; |
| 3439 | len = be32_to_cpup(p); |
| 3440 | if (len > NFS4_FHSIZE) |
| 3441 | return -EIO; |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 3442 | p = xdr_inline_decode(xdr, len); |
| 3443 | if (unlikely(!p)) |
| 3444 | goto out_overflow; |
Trond Myklebust | 7ad0735 | 2010-10-23 15:34:20 -0400 | [diff] [blame] | 3445 | if (fh != NULL) { |
| 3446 | memcpy(fh->data, p, len); |
| 3447 | fh->size = len; |
| 3448 | } |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 3449 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
| 3450 | } |
| 3451 | return 0; |
| 3452 | out_overflow: |
| 3453 | print_overflow_msg(__func__, xdr); |
| 3454 | return -EIO; |
| 3455 | } |
| 3456 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3457 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 3458 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3459 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3460 | |
Malahal Naineni | a1800ac | 2014-01-27 15:31:09 -0600 | [diff] [blame] | 3461 | *res = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3462 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) |
| 3463 | return -EIO; |
| 3464 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3465 | p = xdr_inline_decode(xdr, 4); |
| 3466 | if (unlikely(!p)) |
| 3467 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3468 | *res = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3469 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
| 3470 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3471 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3472 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3473 | out_overflow: |
| 3474 | print_overflow_msg(__func__, xdr); |
| 3475 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3476 | } |
| 3477 | |
| 3478 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
| 3479 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3480 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3481 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3482 | |
| 3483 | *fileid = 0; |
| 3484 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) |
| 3485 | return -EIO; |
| 3486 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3487 | p = xdr_inline_decode(xdr, 8); |
| 3488 | if (unlikely(!p)) |
| 3489 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3490 | xdr_decode_hyper(p, fileid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3491 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3492 | ret = NFS_ATTR_FATTR_FILEID; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3493 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3494 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3495 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3496 | out_overflow: |
| 3497 | print_overflow_msg(__func__, xdr); |
| 3498 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3499 | } |
| 3500 | |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 3501 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
| 3502 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3503 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3504 | int ret = 0; |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 3505 | |
| 3506 | *fileid = 0; |
| 3507 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) |
| 3508 | return -EIO; |
| 3509 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3510 | p = xdr_inline_decode(xdr, 8); |
| 3511 | if (unlikely(!p)) |
| 3512 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3513 | xdr_decode_hyper(p, fileid); |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 3514 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
Trond Myklebust | 28331a4 | 2011-04-27 13:47:52 -0400 | [diff] [blame] | 3515 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 3516 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3517 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3518 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3519 | out_overflow: |
| 3520 | print_overflow_msg(__func__, xdr); |
| 3521 | return -EIO; |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 3522 | } |
| 3523 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3524 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 3525 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3526 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3527 | int status = 0; |
| 3528 | |
| 3529 | *res = 0; |
| 3530 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) |
| 3531 | return -EIO; |
| 3532 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3533 | p = xdr_inline_decode(xdr, 8); |
| 3534 | if (unlikely(!p)) |
| 3535 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3536 | xdr_decode_hyper(p, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3537 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
| 3538 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3539 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3540 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3541 | out_overflow: |
| 3542 | print_overflow_msg(__func__, xdr); |
| 3543 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3544 | } |
| 3545 | |
| 3546 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 3547 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3548 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3549 | int status = 0; |
| 3550 | |
| 3551 | *res = 0; |
| 3552 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) |
| 3553 | return -EIO; |
| 3554 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3555 | p = xdr_inline_decode(xdr, 8); |
| 3556 | if (unlikely(!p)) |
| 3557 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3558 | xdr_decode_hyper(p, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3559 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
| 3560 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3561 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3562 | return status; |
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_files_total(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[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) |
| 3575 | return -EIO; |
| 3576 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { |
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[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
| 3582 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3583 | dprintk("%s: files total=%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 | |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3590 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
| 3591 | { |
Chuck Lever | 464ad6b | 2007-10-26 13:32:08 -0400 | [diff] [blame] | 3592 | u32 n; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3593 | __be32 *p; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3594 | int status = 0; |
| 3595 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3596 | p = xdr_inline_decode(xdr, 4); |
| 3597 | if (unlikely(!p)) |
| 3598 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3599 | n = be32_to_cpup(p); |
Andy Adamson | 33a43f2 | 2006-06-09 09:34:30 -0400 | [diff] [blame] | 3600 | if (n == 0) |
| 3601 | goto root_path; |
Chuck Lever | 02a2976 | 2012-03-01 17:00:31 -0500 | [diff] [blame] | 3602 | dprintk("pathname4: "); |
Trond Myklebust | 809b426 | 2013-03-27 11:54:45 -0400 | [diff] [blame] | 3603 | if (n > NFS4_PATHNAME_MAXCOMPONENTS) { |
| 3604 | dprintk("cannot parse %d components in path\n", n); |
| 3605 | goto out_eio; |
| 3606 | } |
| 3607 | for (path->ncomponents = 0; path->ncomponents < n; path->ncomponents++) { |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3608 | struct nfs4_string *component = &path->components[path->ncomponents]; |
| 3609 | status = decode_opaque_inline(xdr, &component->len, &component->data); |
| 3610 | if (unlikely(status != 0)) |
| 3611 | goto out_eio; |
Trond Myklebust | 95a13f7 | 2012-03-14 21:55:01 -0400 | [diff] [blame] | 3612 | ifdebug (XDR) |
Chuck Lever | 02a2976 | 2012-03-01 17:00:31 -0500 | [diff] [blame] | 3613 | pr_cont("%s%.*s ", |
| 3614 | (path->ncomponents != n ? "/ " : ""), |
| 3615 | component->len, component->data); |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3616 | } |
| 3617 | out: |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3618 | return status; |
Andy Adamson | 33a43f2 | 2006-06-09 09:34:30 -0400 | [diff] [blame] | 3619 | root_path: |
| 3620 | /* a root pathname is sent as a zero component4 */ |
| 3621 | path->ncomponents = 1; |
| 3622 | path->components[0].len=0; |
| 3623 | path->components[0].data=NULL; |
Chuck Lever | 02a2976 | 2012-03-01 17:00:31 -0500 | [diff] [blame] | 3624 | dprintk("pathname4: /\n"); |
Andy Adamson | 33a43f2 | 2006-06-09 09:34:30 -0400 | [diff] [blame] | 3625 | goto out; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3626 | out_eio: |
| 3627 | dprintk(" status %d", status); |
| 3628 | status = -EIO; |
| 3629 | goto out; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3630 | out_overflow: |
| 3631 | print_overflow_msg(__func__, xdr); |
| 3632 | return -EIO; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3633 | } |
| 3634 | |
| 3635 | 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] | 3636 | { |
| 3637 | int n; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3638 | __be32 *p; |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3639 | int status = -EIO; |
| 3640 | |
| 3641 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) |
| 3642 | goto out; |
| 3643 | status = 0; |
| 3644 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) |
| 3645 | goto out; |
Trond Myklebust | 8b7e3f4 | 2012-01-30 15:43:56 -0500 | [diff] [blame] | 3646 | status = -EIO; |
| 3647 | /* Ignore borken servers that return unrequested attrs */ |
| 3648 | if (unlikely(res == NULL)) |
| 3649 | goto out; |
Chuck Lever | 02a2976 | 2012-03-01 17:00:31 -0500 | [diff] [blame] | 3650 | dprintk("%s: fsroot:\n", __func__); |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3651 | status = decode_pathname(xdr, &res->fs_path); |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3652 | if (unlikely(status != 0)) |
| 3653 | goto out; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3654 | p = xdr_inline_decode(xdr, 4); |
| 3655 | if (unlikely(!p)) |
| 3656 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3657 | n = be32_to_cpup(p); |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3658 | if (n <= 0) |
| 3659 | goto out_eio; |
Trond Myklebust | 809b426 | 2013-03-27 11:54:45 -0400 | [diff] [blame] | 3660 | for (res->nlocations = 0; res->nlocations < n; res->nlocations++) { |
Chuck Lever | 464ad6b | 2007-10-26 13:32:08 -0400 | [diff] [blame] | 3661 | u32 m; |
Trond Myklebust | 809b426 | 2013-03-27 11:54:45 -0400 | [diff] [blame] | 3662 | struct nfs4_fs_location *loc; |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3663 | |
Trond Myklebust | 809b426 | 2013-03-27 11:54:45 -0400 | [diff] [blame] | 3664 | if (res->nlocations == NFS4_FS_LOCATIONS_MAXENTRIES) |
| 3665 | break; |
| 3666 | loc = &res->locations[res->nlocations]; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3667 | p = xdr_inline_decode(xdr, 4); |
| 3668 | if (unlikely(!p)) |
| 3669 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3670 | m = be32_to_cpup(p); |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3671 | |
Chuck Lever | 02a2976 | 2012-03-01 17:00:31 -0500 | [diff] [blame] | 3672 | dprintk("%s: servers:\n", __func__); |
Trond Myklebust | 809b426 | 2013-03-27 11:54:45 -0400 | [diff] [blame] | 3673 | for (loc->nservers = 0; loc->nservers < m; loc->nservers++) { |
| 3674 | struct nfs4_string *server; |
| 3675 | |
| 3676 | if (loc->nservers == NFS4_FS_LOCATION_MAXSERVERS) { |
Chuck Lever | 464ad6b | 2007-10-26 13:32:08 -0400 | [diff] [blame] | 3677 | unsigned int i; |
| 3678 | dprintk("%s: using first %u of %u servers " |
| 3679 | "returned for location %u\n", |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3680 | __func__, |
Chuck Lever | 464ad6b | 2007-10-26 13:32:08 -0400 | [diff] [blame] | 3681 | NFS4_FS_LOCATION_MAXSERVERS, |
| 3682 | m, res->nlocations); |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3683 | for (i = loc->nservers; i < m; i++) { |
Trond Myklebust | 2e42c3e | 2007-05-14 17:20:41 -0400 | [diff] [blame] | 3684 | unsigned int len; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3685 | char *data; |
| 3686 | status = decode_opaque_inline(xdr, &len, &data); |
| 3687 | if (unlikely(status != 0)) |
| 3688 | goto out_eio; |
| 3689 | } |
Trond Myklebust | 809b426 | 2013-03-27 11:54:45 -0400 | [diff] [blame] | 3690 | break; |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3691 | } |
Trond Myklebust | 809b426 | 2013-03-27 11:54:45 -0400 | [diff] [blame] | 3692 | server = &loc->servers[loc->nservers]; |
| 3693 | status = decode_opaque_inline(xdr, &server->len, &server->data); |
| 3694 | if (unlikely(status != 0)) |
| 3695 | goto out_eio; |
| 3696 | dprintk("%s ", server->data); |
Manoj Naik | 7aaa0b3 | 2006-06-09 09:34:23 -0400 | [diff] [blame] | 3697 | } |
| 3698 | status = decode_pathname(xdr, &loc->rootpath); |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3699 | if (unlikely(status != 0)) |
| 3700 | goto out_eio; |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3701 | } |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3702 | if (res->nlocations != 0) |
Chuck Lever | 81934dd | 2012-03-01 17:01:57 -0500 | [diff] [blame] | 3703 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3704 | out: |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3705 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3706 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3707 | out_overflow: |
| 3708 | print_overflow_msg(__func__, xdr); |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 3709 | out_eio: |
| 3710 | status = -EIO; |
| 3711 | goto out; |
| 3712 | } |
| 3713 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3714 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 3715 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3716 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3717 | int status = 0; |
| 3718 | |
| 3719 | *res = 0; |
| 3720 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) |
| 3721 | return -EIO; |
| 3722 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3723 | p = xdr_inline_decode(xdr, 8); |
| 3724 | if (unlikely(!p)) |
| 3725 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3726 | xdr_decode_hyper(p, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3727 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
| 3728 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3729 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3730 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3731 | out_overflow: |
| 3732 | print_overflow_msg(__func__, xdr); |
| 3733 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3734 | } |
| 3735 | |
| 3736 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) |
| 3737 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3738 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3739 | int status = 0; |
| 3740 | |
| 3741 | *maxlink = 1; |
| 3742 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) |
| 3743 | return -EIO; |
| 3744 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3745 | p = xdr_inline_decode(xdr, 4); |
| 3746 | if (unlikely(!p)) |
| 3747 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3748 | *maxlink = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3749 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
| 3750 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3751 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3752 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3753 | out_overflow: |
| 3754 | print_overflow_msg(__func__, xdr); |
| 3755 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3756 | } |
| 3757 | |
| 3758 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) |
| 3759 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3760 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3761 | int status = 0; |
| 3762 | |
| 3763 | *maxname = 1024; |
| 3764 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) |
| 3765 | return -EIO; |
| 3766 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3767 | p = xdr_inline_decode(xdr, 4); |
| 3768 | if (unlikely(!p)) |
| 3769 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3770 | *maxname = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3771 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
| 3772 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3773 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3774 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3775 | out_overflow: |
| 3776 | print_overflow_msg(__func__, xdr); |
| 3777 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3778 | } |
| 3779 | |
| 3780 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 3781 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3782 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3783 | int status = 0; |
| 3784 | |
| 3785 | *res = 1024; |
| 3786 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) |
| 3787 | return -EIO; |
| 3788 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { |
| 3789 | uint64_t maxread; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3790 | p = xdr_inline_decode(xdr, 8); |
| 3791 | if (unlikely(!p)) |
| 3792 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3793 | xdr_decode_hyper(p, &maxread); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3794 | if (maxread > 0x7FFFFFFF) |
| 3795 | maxread = 0x7FFFFFFF; |
| 3796 | *res = (uint32_t)maxread; |
| 3797 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; |
| 3798 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3799 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3800 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3801 | out_overflow: |
| 3802 | print_overflow_msg(__func__, xdr); |
| 3803 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3804 | } |
| 3805 | |
| 3806 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
| 3807 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3808 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3809 | int status = 0; |
| 3810 | |
| 3811 | *res = 1024; |
| 3812 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) |
| 3813 | return -EIO; |
| 3814 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { |
| 3815 | uint64_t maxwrite; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3816 | p = xdr_inline_decode(xdr, 8); |
| 3817 | if (unlikely(!p)) |
| 3818 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3819 | xdr_decode_hyper(p, &maxwrite); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3820 | if (maxwrite > 0x7FFFFFFF) |
| 3821 | maxwrite = 0x7FFFFFFF; |
| 3822 | *res = (uint32_t)maxwrite; |
| 3823 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; |
| 3824 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3825 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3826 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3827 | out_overflow: |
| 3828 | print_overflow_msg(__func__, xdr); |
| 3829 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3830 | } |
| 3831 | |
Trond Myklebust | bca7947 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 3832 | 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] | 3833 | { |
Trond Myklebust | bca7947 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 3834 | uint32_t tmp; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3835 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3836 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3837 | |
| 3838 | *mode = 0; |
| 3839 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) |
| 3840 | return -EIO; |
| 3841 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3842 | p = xdr_inline_decode(xdr, 4); |
| 3843 | if (unlikely(!p)) |
| 3844 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3845 | tmp = be32_to_cpup(p); |
Trond Myklebust | bca7947 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 3846 | *mode = tmp & ~S_IFMT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3847 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3848 | ret = NFS_ATTR_FATTR_MODE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3849 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3850 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3851 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3852 | out_overflow: |
| 3853 | print_overflow_msg(__func__, xdr); |
| 3854 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3855 | } |
| 3856 | |
| 3857 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) |
| 3858 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3859 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3860 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3861 | |
| 3862 | *nlink = 1; |
| 3863 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) |
| 3864 | return -EIO; |
| 3865 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3866 | p = xdr_inline_decode(xdr, 4); |
| 3867 | if (unlikely(!p)) |
| 3868 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3869 | *nlink = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3870 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3871 | ret = NFS_ATTR_FATTR_NLINK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3872 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3873 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3874 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3875 | out_overflow: |
| 3876 | print_overflow_msg(__func__, xdr); |
| 3877 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3878 | } |
| 3879 | |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 3880 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
Eric W. Biederman | e578207 | 2013-02-01 14:22:02 -0800 | [diff] [blame] | 3881 | const struct nfs_server *server, kuid_t *uid, |
Trond Myklebust | 6926afd | 2012-01-07 13:22:46 -0500 | [diff] [blame] | 3882 | struct nfs4_string *owner_name) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3883 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3884 | uint32_t len; |
| 3885 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3886 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3887 | |
Eric W. Biederman | e578207 | 2013-02-01 14:22:02 -0800 | [diff] [blame] | 3888 | *uid = make_kuid(&init_user_ns, -2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3889 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) |
| 3890 | return -EIO; |
| 3891 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3892 | p = xdr_inline_decode(xdr, 4); |
| 3893 | if (unlikely(!p)) |
| 3894 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3895 | len = be32_to_cpup(p); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3896 | p = xdr_inline_decode(xdr, len); |
| 3897 | if (unlikely(!p)) |
| 3898 | goto out_overflow; |
Trond Myklebust | 6926afd | 2012-01-07 13:22:46 -0500 | [diff] [blame] | 3899 | if (owner_name != NULL) { |
| 3900 | owner_name->data = kmemdup(p, len, GFP_NOWAIT); |
| 3901 | if (owner_name->data != NULL) { |
| 3902 | owner_name->len = len; |
| 3903 | ret = NFS_ATTR_FATTR_OWNER_NAME; |
| 3904 | } |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 3905 | } else if (len < XDR_MAX_NETOBJ) { |
Trond Myklebust | e4fd72a | 2011-02-22 15:44:31 -0800 | [diff] [blame] | 3906 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3907 | ret = NFS_ATTR_FATTR_OWNER; |
| 3908 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3909 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3910 | __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3911 | } else |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 3912 | dprintk("%s: name too long (%u)!\n", |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3913 | __func__, len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3914 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
| 3915 | } |
Eric W. Biederman | e578207 | 2013-02-01 14:22:02 -0800 | [diff] [blame] | 3916 | dprintk("%s: uid=%d\n", __func__, (int)from_kuid(&init_user_ns, *uid)); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3917 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3918 | out_overflow: |
| 3919 | print_overflow_msg(__func__, xdr); |
| 3920 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3921 | } |
| 3922 | |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 3923 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
Eric W. Biederman | e578207 | 2013-02-01 14:22:02 -0800 | [diff] [blame] | 3924 | const struct nfs_server *server, kgid_t *gid, |
Trond Myklebust | 6926afd | 2012-01-07 13:22:46 -0500 | [diff] [blame] | 3925 | struct nfs4_string *group_name) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3926 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3927 | uint32_t len; |
| 3928 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3929 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3930 | |
Eric W. Biederman | e578207 | 2013-02-01 14:22:02 -0800 | [diff] [blame] | 3931 | *gid = make_kgid(&init_user_ns, -2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3932 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) |
| 3933 | return -EIO; |
| 3934 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3935 | p = xdr_inline_decode(xdr, 4); |
| 3936 | if (unlikely(!p)) |
| 3937 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3938 | len = be32_to_cpup(p); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3939 | p = xdr_inline_decode(xdr, len); |
| 3940 | if (unlikely(!p)) |
| 3941 | goto out_overflow; |
Trond Myklebust | 6926afd | 2012-01-07 13:22:46 -0500 | [diff] [blame] | 3942 | if (group_name != NULL) { |
| 3943 | group_name->data = kmemdup(p, len, GFP_NOWAIT); |
| 3944 | if (group_name->data != NULL) { |
| 3945 | group_name->len = len; |
| 3946 | ret = NFS_ATTR_FATTR_GROUP_NAME; |
| 3947 | } |
Trond Myklebust | 80e52ac | 2009-08-09 15:06:19 -0400 | [diff] [blame] | 3948 | } else if (len < XDR_MAX_NETOBJ) { |
Trond Myklebust | e4fd72a | 2011-02-22 15:44:31 -0800 | [diff] [blame] | 3949 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3950 | ret = NFS_ATTR_FATTR_GROUP; |
| 3951 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3952 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3953 | __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3954 | } else |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 3955 | dprintk("%s: name too long (%u)!\n", |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3956 | __func__, len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3957 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
| 3958 | } |
Eric W. Biederman | e578207 | 2013-02-01 14:22:02 -0800 | [diff] [blame] | 3959 | dprintk("%s: gid=%d\n", __func__, (int)from_kgid(&init_user_ns, *gid)); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3960 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3961 | out_overflow: |
| 3962 | print_overflow_msg(__func__, xdr); |
| 3963 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3964 | } |
| 3965 | |
| 3966 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) |
| 3967 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3968 | uint32_t major = 0, minor = 0; |
| 3969 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3970 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3971 | |
| 3972 | *rdev = MKDEV(0,0); |
| 3973 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) |
| 3974 | return -EIO; |
| 3975 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { |
| 3976 | dev_t tmp; |
| 3977 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3978 | p = xdr_inline_decode(xdr, 8); |
| 3979 | if (unlikely(!p)) |
| 3980 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 3981 | major = be32_to_cpup(p++); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 3982 | minor = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3983 | tmp = MKDEV(major, minor); |
| 3984 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) |
| 3985 | *rdev = tmp; |
| 3986 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3987 | ret = NFS_ATTR_FATTR_RDEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3988 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 3989 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 3990 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 3991 | out_overflow: |
| 3992 | print_overflow_msg(__func__, xdr); |
| 3993 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3994 | } |
| 3995 | |
| 3996 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 3997 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 3998 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3999 | int status = 0; |
| 4000 | |
| 4001 | *res = 0; |
| 4002 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) |
| 4003 | return -EIO; |
| 4004 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4005 | p = xdr_inline_decode(xdr, 8); |
| 4006 | if (unlikely(!p)) |
| 4007 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4008 | xdr_decode_hyper(p, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4009 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
| 4010 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 4011 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4012 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4013 | out_overflow: |
| 4014 | print_overflow_msg(__func__, xdr); |
| 4015 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4016 | } |
| 4017 | |
| 4018 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 4019 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4020 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4021 | int status = 0; |
| 4022 | |
| 4023 | *res = 0; |
| 4024 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) |
| 4025 | return -EIO; |
| 4026 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4027 | p = xdr_inline_decode(xdr, 8); |
| 4028 | if (unlikely(!p)) |
| 4029 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4030 | xdr_decode_hyper(p, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4031 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
| 4032 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 4033 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4034 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4035 | out_overflow: |
| 4036 | print_overflow_msg(__func__, xdr); |
| 4037 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4038 | } |
| 4039 | |
| 4040 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
| 4041 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4042 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4043 | int status = 0; |
| 4044 | |
| 4045 | *res = 0; |
| 4046 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) |
| 4047 | return -EIO; |
| 4048 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4049 | p = xdr_inline_decode(xdr, 8); |
| 4050 | if (unlikely(!p)) |
| 4051 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4052 | xdr_decode_hyper(p, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4053 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
| 4054 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 4055 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4056 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4057 | out_overflow: |
| 4058 | print_overflow_msg(__func__, xdr); |
| 4059 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4060 | } |
| 4061 | |
| 4062 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) |
| 4063 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4064 | __be32 *p; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4065 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4066 | |
| 4067 | *used = 0; |
| 4068 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) |
| 4069 | return -EIO; |
| 4070 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4071 | p = xdr_inline_decode(xdr, 8); |
| 4072 | if (unlikely(!p)) |
| 4073 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4074 | xdr_decode_hyper(p, used); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4075 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4076 | ret = NFS_ATTR_FATTR_SPACE_USED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4077 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 4078 | dprintk("%s: space used=%Lu\n", __func__, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4079 | (unsigned long long)*used); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4080 | return ret; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4081 | out_overflow: |
| 4082 | print_overflow_msg(__func__, xdr); |
| 4083 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4084 | } |
| 4085 | |
| 4086 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) |
| 4087 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4088 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4089 | uint64_t sec; |
| 4090 | uint32_t nsec; |
| 4091 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4092 | p = xdr_inline_decode(xdr, 12); |
| 4093 | if (unlikely(!p)) |
| 4094 | goto out_overflow; |
Benny Halevy | 3ceb4db | 2009-08-14 17:19:41 +0300 | [diff] [blame] | 4095 | p = xdr_decode_hyper(p, &sec); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4096 | nsec = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4097 | time->tv_sec = (time_t)sec; |
| 4098 | time->tv_nsec = (long)nsec; |
| 4099 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4100 | out_overflow: |
| 4101 | print_overflow_msg(__func__, xdr); |
| 4102 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4103 | } |
| 4104 | |
| 4105 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
| 4106 | { |
| 4107 | int status = 0; |
| 4108 | |
| 4109 | time->tv_sec = 0; |
| 4110 | time->tv_nsec = 0; |
| 4111 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) |
| 4112 | return -EIO; |
| 4113 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { |
| 4114 | status = decode_attr_time(xdr, time); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4115 | if (status == 0) |
| 4116 | status = NFS_ATTR_FATTR_ATIME; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4117 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
| 4118 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 4119 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4120 | return status; |
| 4121 | } |
| 4122 | |
| 4123 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
| 4124 | { |
| 4125 | int status = 0; |
| 4126 | |
| 4127 | time->tv_sec = 0; |
| 4128 | time->tv_nsec = 0; |
| 4129 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) |
| 4130 | return -EIO; |
| 4131 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { |
| 4132 | status = decode_attr_time(xdr, time); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4133 | if (status == 0) |
| 4134 | status = NFS_ATTR_FATTR_CTIME; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4135 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
| 4136 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 4137 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4138 | return status; |
| 4139 | } |
| 4140 | |
Ricardo Labiaga | 55b6e77 | 2010-10-12 16:30:06 -0700 | [diff] [blame] | 4141 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
| 4142 | struct timespec *time) |
| 4143 | { |
| 4144 | int status = 0; |
| 4145 | |
| 4146 | time->tv_sec = 0; |
| 4147 | time->tv_nsec = 0; |
| 4148 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) |
| 4149 | return -EIO; |
| 4150 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { |
| 4151 | status = decode_attr_time(xdr, time); |
| 4152 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; |
| 4153 | } |
| 4154 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, |
| 4155 | (long)time->tv_nsec); |
| 4156 | return status; |
| 4157 | } |
| 4158 | |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 4159 | static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap, |
| 4160 | struct nfs4_label *label) |
| 4161 | { |
| 4162 | uint32_t pi = 0; |
| 4163 | uint32_t lfs = 0; |
| 4164 | __u32 len; |
| 4165 | __be32 *p; |
| 4166 | int status = 0; |
| 4167 | |
| 4168 | if (unlikely(bitmap[2] & (FATTR4_WORD2_SECURITY_LABEL - 1U))) |
| 4169 | return -EIO; |
| 4170 | if (likely(bitmap[2] & FATTR4_WORD2_SECURITY_LABEL)) { |
| 4171 | p = xdr_inline_decode(xdr, 4); |
| 4172 | if (unlikely(!p)) |
| 4173 | goto out_overflow; |
| 4174 | lfs = be32_to_cpup(p++); |
| 4175 | p = xdr_inline_decode(xdr, 4); |
| 4176 | if (unlikely(!p)) |
| 4177 | goto out_overflow; |
| 4178 | pi = be32_to_cpup(p++); |
| 4179 | p = xdr_inline_decode(xdr, 4); |
| 4180 | if (unlikely(!p)) |
| 4181 | goto out_overflow; |
| 4182 | len = be32_to_cpup(p++); |
| 4183 | p = xdr_inline_decode(xdr, len); |
| 4184 | if (unlikely(!p)) |
| 4185 | goto out_overflow; |
| 4186 | if (len < NFS4_MAXLABELLEN) { |
| 4187 | if (label) { |
| 4188 | memcpy(label->label, p, len); |
| 4189 | label->len = len; |
| 4190 | label->pi = pi; |
| 4191 | label->lfs = lfs; |
| 4192 | status = NFS_ATTR_FATTR_V4_SECURITY_LABEL; |
| 4193 | } |
| 4194 | bitmap[2] &= ~FATTR4_WORD2_SECURITY_LABEL; |
| 4195 | } else |
| 4196 | printk(KERN_WARNING "%s: label too long (%u)!\n", |
| 4197 | __func__, len); |
| 4198 | } |
| 4199 | if (label && label->label) |
| 4200 | dprintk("%s: label=%s, len=%d, PI=%d, LFS=%d\n", __func__, |
| 4201 | (char *)label->label, label->len, label->pi, label->lfs); |
| 4202 | return status; |
| 4203 | |
| 4204 | out_overflow: |
| 4205 | print_overflow_msg(__func__, xdr); |
| 4206 | return -EIO; |
| 4207 | } |
| 4208 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4209 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
| 4210 | { |
| 4211 | int status = 0; |
| 4212 | |
| 4213 | time->tv_sec = 0; |
| 4214 | time->tv_nsec = 0; |
| 4215 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) |
| 4216 | return -EIO; |
| 4217 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { |
| 4218 | status = decode_attr_time(xdr, time); |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4219 | if (status == 0) |
| 4220 | status = NFS_ATTR_FATTR_MTIME; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4221 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
| 4222 | } |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 4223 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4224 | return status; |
| 4225 | } |
| 4226 | |
Trond Myklebust | 256e48b | 2012-06-21 11:18:13 -0400 | [diff] [blame] | 4227 | static int verify_attr_len(struct xdr_stream *xdr, unsigned int savep, uint32_t attrlen) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4228 | { |
| 4229 | unsigned int attrwords = XDR_QUADLEN(attrlen); |
Trond Myklebust | 256e48b | 2012-06-21 11:18:13 -0400 | [diff] [blame] | 4230 | unsigned int nwords = (xdr_stream_pos(xdr) - savep) >> 2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4231 | |
| 4232 | if (unlikely(attrwords != nwords)) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 4233 | dprintk("%s: server returned incorrect attribute length: " |
| 4234 | "%u %c %u\n", |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 4235 | __func__, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4236 | attrwords << 2, |
| 4237 | (attrwords < nwords) ? '<' : '>', |
| 4238 | nwords << 2); |
| 4239 | return -EIO; |
| 4240 | } |
| 4241 | return 0; |
| 4242 | } |
| 4243 | |
| 4244 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) |
| 4245 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4246 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4247 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4248 | p = xdr_inline_decode(xdr, 20); |
| 4249 | if (unlikely(!p)) |
| 4250 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4251 | cinfo->atomic = be32_to_cpup(p++); |
Benny Halevy | 3ceb4db | 2009-08-14 17:19:41 +0300 | [diff] [blame] | 4252 | p = xdr_decode_hyper(p, &cinfo->before); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4253 | xdr_decode_hyper(p, &cinfo->after); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4254 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4255 | out_overflow: |
| 4256 | print_overflow_msg(__func__, xdr); |
| 4257 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4258 | } |
| 4259 | |
Weston Andros Adamson | 6168f62 | 2012-09-10 14:00:46 -0400 | [diff] [blame] | 4260 | static int decode_access(struct xdr_stream *xdr, u32 *supported, u32 *access) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4261 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4262 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4263 | uint32_t supp, acc; |
| 4264 | int status; |
| 4265 | |
| 4266 | status = decode_op_hdr(xdr, OP_ACCESS); |
| 4267 | if (status) |
| 4268 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4269 | p = xdr_inline_decode(xdr, 8); |
| 4270 | if (unlikely(!p)) |
| 4271 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4272 | supp = be32_to_cpup(p++); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4273 | acc = be32_to_cpup(p); |
Weston Andros Adamson | 6168f62 | 2012-09-10 14:00:46 -0400 | [diff] [blame] | 4274 | *supported = supp; |
| 4275 | *access = acc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4276 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4277 | out_overflow: |
| 4278 | print_overflow_msg(__func__, xdr); |
| 4279 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4280 | } |
| 4281 | |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 4282 | 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] | 4283 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4284 | __be32 *p; |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 4285 | |
| 4286 | p = xdr_inline_decode(xdr, len); |
| 4287 | if (likely(p)) { |
| 4288 | memcpy(buf, p, len); |
| 4289 | return 0; |
| 4290 | } |
| 4291 | print_overflow_msg(__func__, xdr); |
| 4292 | return -EIO; |
| 4293 | } |
| 4294 | |
| 4295 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) |
| 4296 | { |
Trond Myklebust | 2d2f24a | 2012-03-04 18:13:57 -0500 | [diff] [blame] | 4297 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4298 | } |
| 4299 | |
| 4300 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) |
| 4301 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4302 | int status; |
| 4303 | |
| 4304 | status = decode_op_hdr(xdr, OP_CLOSE); |
Trond Myklebust | c1d5193 | 2008-04-07 13:20:54 -0400 | [diff] [blame] | 4305 | if (status != -EIO) |
| 4306 | nfs_increment_open_seqid(status, res->seqid); |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 4307 | if (!status) |
| 4308 | status = decode_stateid(xdr, &res->stateid); |
| 4309 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4310 | } |
| 4311 | |
Benny Halevy | db942bb | 2009-08-14 17:19:56 +0300 | [diff] [blame] | 4312 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
| 4313 | { |
Chuck Lever | cd93710 | 2012-03-02 17:14:31 -0500 | [diff] [blame] | 4314 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4315 | } |
| 4316 | |
Trond Myklebust | 2f2c63b | 2012-06-08 11:56:09 -0400 | [diff] [blame] | 4317 | static int decode_write_verifier(struct xdr_stream *xdr, struct nfs_write_verifier *verifier) |
| 4318 | { |
| 4319 | return decode_opaque_fixed(xdr, verifier->data, NFS4_VERIFIER_SIZE); |
| 4320 | } |
| 4321 | |
Fred Isaman | 0b7c015 | 2012-04-20 14:47:39 -0400 | [diff] [blame] | 4322 | static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4323 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4324 | int status; |
| 4325 | |
| 4326 | status = decode_op_hdr(xdr, OP_COMMIT); |
Benny Halevy | db942bb | 2009-08-14 17:19:56 +0300 | [diff] [blame] | 4327 | if (!status) |
Trond Myklebust | 2f2c63b | 2012-06-08 11:56:09 -0400 | [diff] [blame] | 4328 | status = decode_write_verifier(xdr, &res->verf->verifier); |
Benny Halevy | db942bb | 2009-08-14 17:19:56 +0300 | [diff] [blame] | 4329 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4330 | } |
| 4331 | |
| 4332 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) |
| 4333 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4334 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4335 | uint32_t bmlen; |
| 4336 | int status; |
| 4337 | |
| 4338 | status = decode_op_hdr(xdr, OP_CREATE); |
| 4339 | if (status) |
| 4340 | return status; |
| 4341 | if ((status = decode_change_info(xdr, cinfo))) |
| 4342 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4343 | p = xdr_inline_decode(xdr, 4); |
| 4344 | if (unlikely(!p)) |
| 4345 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4346 | bmlen = be32_to_cpup(p); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4347 | p = xdr_inline_decode(xdr, bmlen << 2); |
| 4348 | if (likely(p)) |
| 4349 | return 0; |
| 4350 | out_overflow: |
| 4351 | print_overflow_msg(__func__, xdr); |
| 4352 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4353 | } |
| 4354 | |
| 4355 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) |
| 4356 | { |
Trond Myklebust | 256e48b | 2012-06-21 11:18:13 -0400 | [diff] [blame] | 4357 | unsigned int savep; |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 4358 | uint32_t attrlen, bitmap[3] = {0}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4359 | int status; |
| 4360 | |
| 4361 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
| 4362 | goto xdr_error; |
| 4363 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
| 4364 | goto xdr_error; |
| 4365 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) |
| 4366 | goto xdr_error; |
| 4367 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) |
| 4368 | goto xdr_error; |
Chuck Lever | 264e635 | 2012-03-01 17:02:05 -0500 | [diff] [blame] | 4369 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
| 4370 | &res->fh_expire_type)) != 0) |
| 4371 | goto xdr_error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4372 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
| 4373 | goto xdr_error; |
| 4374 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) |
| 4375 | goto xdr_error; |
| 4376 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) |
| 4377 | goto xdr_error; |
| 4378 | status = verify_attr_len(xdr, savep, attrlen); |
| 4379 | xdr_error: |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 4380 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4381 | return status; |
| 4382 | } |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4383 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4384 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
| 4385 | { |
Trond Myklebust | 256e48b | 2012-06-21 11:18:13 -0400 | [diff] [blame] | 4386 | unsigned int savep; |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 4387 | uint32_t attrlen, bitmap[3] = {0}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4388 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4389 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4390 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
| 4391 | goto xdr_error; |
| 4392 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
| 4393 | goto xdr_error; |
| 4394 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) |
| 4395 | goto xdr_error; |
| 4396 | |
| 4397 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) |
| 4398 | goto xdr_error; |
| 4399 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) |
| 4400 | goto xdr_error; |
| 4401 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) |
| 4402 | goto xdr_error; |
| 4403 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) |
| 4404 | goto xdr_error; |
| 4405 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) |
| 4406 | goto xdr_error; |
| 4407 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) |
| 4408 | goto xdr_error; |
| 4409 | |
| 4410 | status = verify_attr_len(xdr, savep, attrlen); |
| 4411 | xdr_error: |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 4412 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4413 | return status; |
| 4414 | } |
| 4415 | |
| 4416 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) |
| 4417 | { |
Trond Myklebust | 256e48b | 2012-06-21 11:18:13 -0400 | [diff] [blame] | 4418 | unsigned int savep; |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 4419 | uint32_t attrlen, bitmap[3] = {0}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4420 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4421 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4422 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
| 4423 | goto xdr_error; |
| 4424 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
| 4425 | goto xdr_error; |
| 4426 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) |
| 4427 | goto xdr_error; |
| 4428 | |
| 4429 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) |
| 4430 | goto xdr_error; |
| 4431 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) |
| 4432 | goto xdr_error; |
| 4433 | |
| 4434 | status = verify_attr_len(xdr, savep, attrlen); |
| 4435 | xdr_error: |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 4436 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4437 | return status; |
| 4438 | } |
| 4439 | |
Andy Adamson | 88034c3 | 2012-05-23 05:02:34 -0400 | [diff] [blame] | 4440 | static int decode_threshold_hint(struct xdr_stream *xdr, |
| 4441 | uint32_t *bitmap, |
| 4442 | uint64_t *res, |
| 4443 | uint32_t hint_bit) |
| 4444 | { |
| 4445 | __be32 *p; |
| 4446 | |
| 4447 | *res = 0; |
| 4448 | if (likely(bitmap[0] & hint_bit)) { |
| 4449 | p = xdr_inline_decode(xdr, 8); |
| 4450 | if (unlikely(!p)) |
| 4451 | goto out_overflow; |
| 4452 | xdr_decode_hyper(p, res); |
| 4453 | } |
| 4454 | return 0; |
| 4455 | out_overflow: |
| 4456 | print_overflow_msg(__func__, xdr); |
| 4457 | return -EIO; |
| 4458 | } |
| 4459 | |
| 4460 | static int decode_first_threshold_item4(struct xdr_stream *xdr, |
| 4461 | struct nfs4_threshold *res) |
| 4462 | { |
Trond Myklebust | 256e48b | 2012-06-21 11:18:13 -0400 | [diff] [blame] | 4463 | __be32 *p; |
| 4464 | unsigned int savep; |
Andy Adamson | 88034c3 | 2012-05-23 05:02:34 -0400 | [diff] [blame] | 4465 | uint32_t bitmap[3] = {0,}, attrlen; |
| 4466 | int status; |
| 4467 | |
| 4468 | /* layout type */ |
| 4469 | p = xdr_inline_decode(xdr, 4); |
| 4470 | if (unlikely(!p)) { |
| 4471 | print_overflow_msg(__func__, xdr); |
| 4472 | return -EIO; |
| 4473 | } |
| 4474 | res->l_type = be32_to_cpup(p); |
| 4475 | |
| 4476 | /* thi_hintset bitmap */ |
| 4477 | status = decode_attr_bitmap(xdr, bitmap); |
| 4478 | if (status < 0) |
| 4479 | goto xdr_error; |
| 4480 | |
| 4481 | /* thi_hintlist length */ |
| 4482 | status = decode_attr_length(xdr, &attrlen, &savep); |
| 4483 | if (status < 0) |
| 4484 | goto xdr_error; |
| 4485 | /* thi_hintlist */ |
| 4486 | status = decode_threshold_hint(xdr, bitmap, &res->rd_sz, THRESHOLD_RD); |
| 4487 | if (status < 0) |
| 4488 | goto xdr_error; |
| 4489 | status = decode_threshold_hint(xdr, bitmap, &res->wr_sz, THRESHOLD_WR); |
| 4490 | if (status < 0) |
| 4491 | goto xdr_error; |
| 4492 | status = decode_threshold_hint(xdr, bitmap, &res->rd_io_sz, |
| 4493 | THRESHOLD_RD_IO); |
| 4494 | if (status < 0) |
| 4495 | goto xdr_error; |
| 4496 | status = decode_threshold_hint(xdr, bitmap, &res->wr_io_sz, |
| 4497 | THRESHOLD_WR_IO); |
| 4498 | if (status < 0) |
| 4499 | goto xdr_error; |
| 4500 | |
| 4501 | status = verify_attr_len(xdr, savep, attrlen); |
| 4502 | res->bm = bitmap[0]; |
| 4503 | |
| 4504 | dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n", |
| 4505 | __func__, res->bm, res->rd_sz, res->wr_sz, res->rd_io_sz, |
| 4506 | res->wr_io_sz); |
| 4507 | xdr_error: |
| 4508 | dprintk("%s ret=%d!\n", __func__, status); |
| 4509 | return status; |
| 4510 | } |
| 4511 | |
| 4512 | /* |
| 4513 | * Thresholds on pNFS direct I/O vrs MDS I/O |
| 4514 | */ |
| 4515 | static int decode_attr_mdsthreshold(struct xdr_stream *xdr, |
| 4516 | uint32_t *bitmap, |
| 4517 | struct nfs4_threshold *res) |
| 4518 | { |
| 4519 | __be32 *p; |
| 4520 | int status = 0; |
| 4521 | uint32_t num; |
| 4522 | |
| 4523 | if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U))) |
| 4524 | return -EIO; |
Trond Myklebust | 029c534 | 2012-06-05 09:35:44 -0400 | [diff] [blame] | 4525 | if (bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD) { |
Trond Myklebust | 1549210f | 2012-06-05 09:16:47 -0400 | [diff] [blame] | 4526 | /* Did the server return an unrequested attribute? */ |
| 4527 | if (unlikely(res == NULL)) |
| 4528 | return -EREMOTEIO; |
Andy Adamson | 88034c3 | 2012-05-23 05:02:34 -0400 | [diff] [blame] | 4529 | p = xdr_inline_decode(xdr, 4); |
| 4530 | if (unlikely(!p)) |
| 4531 | goto out_overflow; |
| 4532 | num = be32_to_cpup(p); |
| 4533 | if (num == 0) |
| 4534 | return 0; |
| 4535 | if (num > 1) |
| 4536 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout " |
| 4537 | "drivers per filesystem not supported\n", |
| 4538 | __func__); |
| 4539 | |
| 4540 | status = decode_first_threshold_item4(xdr, res); |
Trond Myklebust | 029c534 | 2012-06-05 09:35:44 -0400 | [diff] [blame] | 4541 | bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD; |
Andy Adamson | 88034c3 | 2012-05-23 05:02:34 -0400 | [diff] [blame] | 4542 | } |
| 4543 | return status; |
| 4544 | out_overflow: |
| 4545 | print_overflow_msg(__func__, xdr); |
| 4546 | return -EIO; |
| 4547 | } |
| 4548 | |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 4549 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
| 4550 | struct nfs_fattr *fattr, struct nfs_fh *fh, |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 4551 | struct nfs4_fs_locations *fs_loc, struct nfs4_label *label, |
Trond Myklebust | 6926afd | 2012-01-07 13:22:46 -0500 | [diff] [blame] | 4552 | const struct nfs_server *server) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4553 | { |
Trond Myklebust | bca7947 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4554 | int status; |
| 4555 | umode_t fmode = 0; |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 4556 | uint32_t type; |
Trond Myklebust | ee7b75f | 2011-06-16 13:15:41 -0400 | [diff] [blame] | 4557 | int32_t err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4558 | |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4559 | status = decode_attr_type(xdr, bitmap, &type); |
| 4560 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4561 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4562 | fattr->mode = 0; |
| 4563 | if (status != 0) { |
| 4564 | fattr->mode |= nfs_type2fmt[type]; |
| 4565 | fattr->valid |= status; |
| 4566 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4567 | |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4568 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
| 4569 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4570 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4571 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4572 | |
| 4573 | status = decode_attr_size(xdr, bitmap, &fattr->size); |
| 4574 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4575 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4576 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4577 | |
| 4578 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); |
| 4579 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4580 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4581 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4582 | |
Trond Myklebust | ee7b75f | 2011-06-16 13:15:41 -0400 | [diff] [blame] | 4583 | err = 0; |
| 4584 | status = decode_attr_error(xdr, bitmap, &err); |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 4585 | if (status < 0) |
| 4586 | goto xdr_error; |
| 4587 | |
| 4588 | status = decode_attr_filehandle(xdr, bitmap, fh); |
| 4589 | if (status < 0) |
| 4590 | goto xdr_error; |
| 4591 | |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4592 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
| 4593 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4594 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4595 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4596 | |
Trond Myklebust | 8b7e3f4 | 2012-01-30 15:43:56 -0500 | [diff] [blame] | 4597 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4598 | if (status < 0) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 4599 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4600 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4601 | |
| 4602 | status = decode_attr_mode(xdr, bitmap, &fmode); |
| 4603 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4604 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4605 | if (status != 0) { |
| 4606 | fattr->mode |= fmode; |
| 4607 | fattr->valid |= status; |
| 4608 | } |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4609 | |
| 4610 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); |
| 4611 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4612 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4613 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4614 | |
Trond Myklebust | 6926afd | 2012-01-07 13:22:46 -0500 | [diff] [blame] | 4615 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4616 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4617 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4618 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4619 | |
Trond Myklebust | 6926afd | 2012-01-07 13:22:46 -0500 | [diff] [blame] | 4620 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4621 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4622 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4623 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4624 | |
| 4625 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); |
| 4626 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4627 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4628 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4629 | |
| 4630 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); |
| 4631 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4632 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4633 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4634 | |
| 4635 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); |
| 4636 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4637 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4638 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4639 | |
| 4640 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); |
| 4641 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4642 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4643 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4644 | |
| 4645 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); |
| 4646 | if (status < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4647 | goto xdr_error; |
Trond Myklebust | 409924e | 2009-03-11 14:10:27 -0400 | [diff] [blame] | 4648 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4649 | |
Trond Myklebust | 28331a4 | 2011-04-27 13:47:52 -0400 | [diff] [blame] | 4650 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4651 | if (status < 0) |
Manoj Naik | 99baf62 | 2006-06-09 09:34:24 -0400 | [diff] [blame] | 4652 | goto xdr_error; |
Trond Myklebust | 28331a4 | 2011-04-27 13:47:52 -0400 | [diff] [blame] | 4653 | fattr->valid |= status; |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4654 | |
Andy Adamson | 88034c3 | 2012-05-23 05:02:34 -0400 | [diff] [blame] | 4655 | status = decode_attr_mdsthreshold(xdr, bitmap, fattr->mdsthreshold); |
| 4656 | if (status < 0) |
| 4657 | goto xdr_error; |
| 4658 | |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 4659 | if (label) { |
| 4660 | status = decode_attr_security_label(xdr, bitmap, label); |
| 4661 | if (status < 0) |
| 4662 | goto xdr_error; |
| 4663 | fattr->valid |= status; |
| 4664 | } |
| 4665 | |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 4666 | xdr_error: |
| 4667 | dprintk("%s: xdr returned %d\n", __func__, -status); |
| 4668 | return status; |
| 4669 | } |
| 4670 | |
| 4671 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
Trond Myklebust | 8b7e3f4 | 2012-01-30 15:43:56 -0500 | [diff] [blame] | 4672 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 4673 | struct nfs4_label *label, const struct nfs_server *server) |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 4674 | { |
Trond Myklebust | 256e48b | 2012-06-21 11:18:13 -0400 | [diff] [blame] | 4675 | unsigned int savep; |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 4676 | uint32_t attrlen, |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 4677 | bitmap[3] = {0}; |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 4678 | int status; |
| 4679 | |
| 4680 | status = decode_op_hdr(xdr, OP_GETATTR); |
| 4681 | if (status < 0) |
| 4682 | goto xdr_error; |
| 4683 | |
| 4684 | status = decode_attr_bitmap(xdr, bitmap); |
| 4685 | if (status < 0) |
| 4686 | goto xdr_error; |
| 4687 | |
| 4688 | status = decode_attr_length(xdr, &attrlen, &savep); |
| 4689 | if (status < 0) |
| 4690 | goto xdr_error; |
| 4691 | |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 4692 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, |
| 4693 | label, server); |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 4694 | if (status < 0) |
| 4695 | goto xdr_error; |
| 4696 | |
Trond Myklebust | f26c7a7 | 2009-03-11 14:10:26 -0400 | [diff] [blame] | 4697 | status = verify_attr_len(xdr, savep, attrlen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4698 | xdr_error: |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 4699 | dprintk("%s: xdr returned %d\n", __func__, -status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4700 | return status; |
| 4701 | } |
| 4702 | |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 4703 | static int decode_getfattr_label(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
| 4704 | struct nfs4_label *label, const struct nfs_server *server) |
| 4705 | { |
| 4706 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, label, server); |
| 4707 | } |
| 4708 | |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 4709 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
Trond Myklebust | 6926afd | 2012-01-07 13:22:46 -0500 | [diff] [blame] | 4710 | const struct nfs_server *server) |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 4711 | { |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 4712 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, NULL, server); |
Bryan Schumaker | ae42c70 | 2010-10-21 16:33:17 -0400 | [diff] [blame] | 4713 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4714 | |
Andy Adamson | 504913f | 2010-10-20 00:17:57 -0400 | [diff] [blame] | 4715 | /* |
| 4716 | * Decode potentially multiple layout types. Currently we only support |
| 4717 | * one layout driver per file system. |
| 4718 | */ |
| 4719 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, |
| 4720 | uint32_t *layouttype) |
| 4721 | { |
Trond Myklebust | b8a8a0d | 2013-08-20 21:08:56 -0400 | [diff] [blame] | 4722 | __be32 *p; |
Andy Adamson | 504913f | 2010-10-20 00:17:57 -0400 | [diff] [blame] | 4723 | int num; |
| 4724 | |
| 4725 | p = xdr_inline_decode(xdr, 4); |
| 4726 | if (unlikely(!p)) |
| 4727 | goto out_overflow; |
| 4728 | num = be32_to_cpup(p); |
| 4729 | |
| 4730 | /* pNFS is not supported by the underlying file system */ |
| 4731 | if (num == 0) { |
| 4732 | *layouttype = 0; |
| 4733 | return 0; |
| 4734 | } |
| 4735 | if (num > 1) |
Weston Andros Adamson | a030889 | 2012-01-26 13:32:23 -0500 | [diff] [blame] | 4736 | printk(KERN_INFO "NFS: %s: Warning: Multiple pNFS layout " |
| 4737 | "drivers per filesystem not supported\n", __func__); |
Andy Adamson | 504913f | 2010-10-20 00:17:57 -0400 | [diff] [blame] | 4738 | |
| 4739 | /* Decode and set first layout type, move xdr->p past unused types */ |
| 4740 | p = xdr_inline_decode(xdr, num * 4); |
| 4741 | if (unlikely(!p)) |
| 4742 | goto out_overflow; |
| 4743 | *layouttype = be32_to_cpup(p); |
| 4744 | return 0; |
| 4745 | out_overflow: |
| 4746 | print_overflow_msg(__func__, xdr); |
| 4747 | return -EIO; |
| 4748 | } |
| 4749 | |
| 4750 | /* |
| 4751 | * The type of file system exported. |
| 4752 | * Note we must ensure that layouttype is set in any non-error case. |
| 4753 | */ |
| 4754 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, |
| 4755 | uint32_t *layouttype) |
| 4756 | { |
| 4757 | int status = 0; |
| 4758 | |
| 4759 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); |
| 4760 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) |
| 4761 | return -EIO; |
| 4762 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { |
| 4763 | status = decode_first_pnfs_layout_type(xdr, layouttype); |
| 4764 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; |
| 4765 | } else |
| 4766 | *layouttype = 0; |
| 4767 | return status; |
| 4768 | } |
| 4769 | |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 4770 | /* |
| 4771 | * The prefered block size for layout directed io |
| 4772 | */ |
| 4773 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, |
| 4774 | uint32_t *res) |
| 4775 | { |
| 4776 | __be32 *p; |
| 4777 | |
| 4778 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); |
| 4779 | *res = 0; |
| 4780 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { |
| 4781 | p = xdr_inline_decode(xdr, 4); |
| 4782 | if (unlikely(!p)) { |
| 4783 | print_overflow_msg(__func__, xdr); |
| 4784 | return -EIO; |
| 4785 | } |
| 4786 | *res = be32_to_cpup(p); |
| 4787 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; |
| 4788 | } |
| 4789 | return 0; |
| 4790 | } |
| 4791 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4792 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
| 4793 | { |
Trond Myklebust | 256e48b | 2012-06-21 11:18:13 -0400 | [diff] [blame] | 4794 | unsigned int savep; |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 4795 | uint32_t attrlen, bitmap[3]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4796 | int status; |
| 4797 | |
| 4798 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
| 4799 | goto xdr_error; |
| 4800 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
| 4801 | goto xdr_error; |
| 4802 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) |
| 4803 | goto xdr_error; |
| 4804 | |
| 4805 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ |
| 4806 | |
| 4807 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) |
| 4808 | goto xdr_error; |
| 4809 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) |
| 4810 | goto xdr_error; |
| 4811 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) |
| 4812 | goto xdr_error; |
| 4813 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; |
| 4814 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) |
| 4815 | goto xdr_error; |
| 4816 | fsinfo->wtpref = fsinfo->wtmax; |
Ricardo Labiaga | 55b6e77 | 2010-10-12 16:30:06 -0700 | [diff] [blame] | 4817 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
| 4818 | if (status != 0) |
| 4819 | goto xdr_error; |
Andy Adamson | 504913f | 2010-10-20 00:17:57 -0400 | [diff] [blame] | 4820 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); |
| 4821 | if (status != 0) |
| 4822 | goto xdr_error; |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 4823 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
| 4824 | if (status) |
| 4825 | goto xdr_error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4826 | |
| 4827 | status = verify_attr_len(xdr, savep, attrlen); |
| 4828 | xdr_error: |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 4829 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4830 | return status; |
| 4831 | } |
| 4832 | |
| 4833 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) |
| 4834 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4835 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4836 | uint32_t len; |
| 4837 | int status; |
| 4838 | |
Trond Myklebust | 9936781 | 2007-07-17 21:52:41 -0400 | [diff] [blame] | 4839 | /* Zero handle first to allow comparisons */ |
| 4840 | memset(fh, 0, sizeof(*fh)); |
| 4841 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4842 | status = decode_op_hdr(xdr, OP_GETFH); |
| 4843 | if (status) |
| 4844 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4845 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4846 | p = xdr_inline_decode(xdr, 4); |
| 4847 | if (unlikely(!p)) |
| 4848 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4849 | len = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4850 | if (len > NFS4_FHSIZE) |
| 4851 | return -EIO; |
| 4852 | fh->size = len; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4853 | p = xdr_inline_decode(xdr, len); |
| 4854 | if (unlikely(!p)) |
| 4855 | goto out_overflow; |
Benny Halevy | 99398d0 | 2009-08-14 17:20:05 +0300 | [diff] [blame] | 4856 | memcpy(fh->data, p, len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4857 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4858 | out_overflow: |
| 4859 | print_overflow_msg(__func__, xdr); |
| 4860 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4861 | } |
| 4862 | |
| 4863 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) |
| 4864 | { |
| 4865 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4866 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4867 | status = decode_op_hdr(xdr, OP_LINK); |
| 4868 | if (status) |
| 4869 | return status; |
| 4870 | return decode_change_info(xdr, cinfo); |
| 4871 | } |
| 4872 | |
| 4873 | /* |
| 4874 | * We create the owner, so we know a proper owner.id length is 4. |
| 4875 | */ |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 4876 | 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] | 4877 | { |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 4878 | uint64_t offset, length, clientid; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 4879 | __be32 *p; |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 4880 | uint32_t namelen, type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4881 | |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 4882 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4883 | if (unlikely(!p)) |
| 4884 | goto out_overflow; |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 4885 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
Benny Halevy | 3ceb4db | 2009-08-14 17:19:41 +0300 | [diff] [blame] | 4886 | p = xdr_decode_hyper(p, &length); |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 4887 | type = be32_to_cpup(p++); /* 4 byte read */ |
| 4888 | if (fl != NULL) { /* manipulate file lock */ |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 4889 | fl->fl_start = (loff_t)offset; |
| 4890 | fl->fl_end = fl->fl_start + (loff_t)length - 1; |
| 4891 | if (length == ~(uint64_t)0) |
| 4892 | fl->fl_end = OFFSET_MAX; |
| 4893 | fl->fl_type = F_WRLCK; |
| 4894 | if (type & 1) |
| 4895 | fl->fl_type = F_RDLCK; |
| 4896 | fl->fl_pid = 0; |
| 4897 | } |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 4898 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
| 4899 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ |
| 4900 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4901 | if (likely(p)) |
| 4902 | return -NFS4ERR_DENIED; |
| 4903 | out_overflow: |
| 4904 | print_overflow_msg(__func__, xdr); |
| 4905 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4906 | } |
| 4907 | |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 4908 | 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] | 4909 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4910 | int status; |
| 4911 | |
| 4912 | status = decode_op_hdr(xdr, OP_LOCK); |
Trond Myklebust | c1d5193 | 2008-04-07 13:20:54 -0400 | [diff] [blame] | 4913 | if (status == -EIO) |
| 4914 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4915 | if (status == 0) { |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 4916 | status = decode_stateid(xdr, &res->stateid); |
| 4917 | if (unlikely(status)) |
| 4918 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4919 | } else if (status == -NFS4ERR_DENIED) |
Trond Myklebust | c1d5193 | 2008-04-07 13:20:54 -0400 | [diff] [blame] | 4920 | status = decode_lock_denied(xdr, NULL); |
| 4921 | if (res->open_seqid != NULL) |
| 4922 | nfs_increment_open_seqid(status, res->open_seqid); |
| 4923 | nfs_increment_lock_seqid(status, res->lock_seqid); |
| 4924 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4925 | return status; |
| 4926 | } |
| 4927 | |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 4928 | 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] | 4929 | { |
| 4930 | int status; |
| 4931 | status = decode_op_hdr(xdr, OP_LOCKT); |
| 4932 | if (status == -NFS4ERR_DENIED) |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 4933 | return decode_lock_denied(xdr, res->denied); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4934 | return status; |
| 4935 | } |
| 4936 | |
Trond Myklebust | 911d1aa | 2006-01-03 09:55:16 +0100 | [diff] [blame] | 4937 | 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] | 4938 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4939 | int status; |
| 4940 | |
| 4941 | status = decode_op_hdr(xdr, OP_LOCKU); |
Trond Myklebust | c1d5193 | 2008-04-07 13:20:54 -0400 | [diff] [blame] | 4942 | if (status != -EIO) |
| 4943 | nfs_increment_lock_seqid(status, res->seqid); |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 4944 | if (status == 0) |
| 4945 | status = decode_stateid(xdr, &res->stateid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4946 | return status; |
| 4947 | } |
| 4948 | |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 4949 | static int decode_release_lockowner(struct xdr_stream *xdr) |
| 4950 | { |
| 4951 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); |
| 4952 | } |
| 4953 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4954 | static int decode_lookup(struct xdr_stream *xdr) |
| 4955 | { |
| 4956 | return decode_op_hdr(xdr, OP_LOOKUP); |
| 4957 | } |
| 4958 | |
| 4959 | /* This is too sick! */ |
| 4960 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) |
| 4961 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4962 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4963 | uint32_t limit_type, nblocks, blocksize; |
| 4964 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4965 | p = xdr_inline_decode(xdr, 12); |
| 4966 | if (unlikely(!p)) |
| 4967 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4968 | limit_type = be32_to_cpup(p++); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4969 | switch (limit_type) { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4970 | case 1: |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4971 | xdr_decode_hyper(p, maxsize); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4972 | break; |
| 4973 | case 2: |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 4974 | nblocks = be32_to_cpup(p++); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4975 | blocksize = be32_to_cpup(p); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4976 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4977 | } |
| 4978 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4979 | out_overflow: |
| 4980 | print_overflow_msg(__func__, xdr); |
| 4981 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4982 | } |
| 4983 | |
| 4984 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) |
| 4985 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 4986 | __be32 *p; |
| 4987 | uint32_t delegation_type; |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 4988 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4989 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 4990 | p = xdr_inline_decode(xdr, 4); |
| 4991 | if (unlikely(!p)) |
| 4992 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 4993 | delegation_type = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4994 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
| 4995 | res->delegation_type = 0; |
| 4996 | return 0; |
| 4997 | } |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 4998 | status = decode_stateid(xdr, &res->delegation); |
| 4999 | if (unlikely(status)) |
| 5000 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5001 | p = xdr_inline_decode(xdr, 4); |
| 5002 | if (unlikely(!p)) |
| 5003 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 5004 | res->do_recall = be32_to_cpup(p); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5005 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5006 | switch (delegation_type) { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5007 | case NFS4_OPEN_DELEGATE_READ: |
| 5008 | res->delegation_type = FMODE_READ; |
| 5009 | break; |
| 5010 | case NFS4_OPEN_DELEGATE_WRITE: |
| 5011 | res->delegation_type = FMODE_WRITE|FMODE_READ; |
| 5012 | if (decode_space_limit(xdr, &res->maxsize) < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5013 | return -EIO; |
| 5014 | } |
David Howells | 7539bba | 2006-08-22 20:06:09 -0400 | [diff] [blame] | 5015 | return decode_ace(xdr, NULL, res->server->nfs_client); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5016 | out_overflow: |
| 5017 | print_overflow_msg(__func__, xdr); |
| 5018 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5019 | } |
| 5020 | |
| 5021 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) |
| 5022 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5023 | __be32 *p; |
Jeff Layton | aa53ed5 | 2007-06-05 14:49:03 -0400 | [diff] [blame] | 5024 | uint32_t savewords, bmlen, i; |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5025 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5026 | |
Trond Myklebust | c7848f6 | 2013-12-04 17:39:23 -0500 | [diff] [blame] | 5027 | if (!__decode_op_hdr(xdr, OP_OPEN, &status)) |
| 5028 | return status; |
| 5029 | nfs_increment_open_seqid(status, res->seqid); |
| 5030 | if (status) |
| 5031 | return status; |
| 5032 | status = decode_stateid(xdr, &res->stateid); |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 5033 | if (unlikely(status)) |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5034 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5035 | |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5036 | decode_change_info(xdr, &res->cinfo); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5037 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5038 | p = xdr_inline_decode(xdr, 8); |
| 5039 | if (unlikely(!p)) |
| 5040 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 5041 | res->rflags = be32_to_cpup(p++); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 5042 | bmlen = be32_to_cpup(p); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5043 | if (bmlen > 10) |
| 5044 | goto xdr_error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5045 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5046 | p = xdr_inline_decode(xdr, bmlen << 2); |
| 5047 | if (unlikely(!p)) |
| 5048 | goto out_overflow; |
Jeff Layton | aa53ed5 | 2007-06-05 14:49:03 -0400 | [diff] [blame] | 5049 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
| 5050 | for (i = 0; i < savewords; ++i) |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 5051 | res->attrset[i] = be32_to_cpup(p++); |
Jeff Layton | aa53ed5 | 2007-06-05 14:49:03 -0400 | [diff] [blame] | 5052 | for (; i < NFS4_BITMAP_SIZE; i++) |
| 5053 | res->attrset[i] = 0; |
| 5054 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5055 | return decode_delegation(xdr, res); |
| 5056 | xdr_error: |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 5057 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5058 | return -EIO; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5059 | out_overflow: |
| 5060 | print_overflow_msg(__func__, xdr); |
| 5061 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5062 | } |
| 5063 | |
| 5064 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) |
| 5065 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5066 | int status; |
| 5067 | |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5068 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
Trond Myklebust | c1d5193 | 2008-04-07 13:20:54 -0400 | [diff] [blame] | 5069 | if (status != -EIO) |
| 5070 | nfs_increment_open_seqid(status, res->seqid); |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 5071 | if (!status) |
| 5072 | status = decode_stateid(xdr, &res->stateid); |
| 5073 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5074 | } |
| 5075 | |
| 5076 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) |
| 5077 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5078 | int status; |
| 5079 | |
| 5080 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); |
Trond Myklebust | c1d5193 | 2008-04-07 13:20:54 -0400 | [diff] [blame] | 5081 | if (status != -EIO) |
| 5082 | nfs_increment_open_seqid(status, res->seqid); |
Benny Halevy | 07d3043 | 2009-08-14 17:19:52 +0300 | [diff] [blame] | 5083 | if (!status) |
| 5084 | status = decode_stateid(xdr, &res->stateid); |
| 5085 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5086 | } |
| 5087 | |
| 5088 | static int decode_putfh(struct xdr_stream *xdr) |
| 5089 | { |
| 5090 | return decode_op_hdr(xdr, OP_PUTFH); |
| 5091 | } |
| 5092 | |
| 5093 | static int decode_putrootfh(struct xdr_stream *xdr) |
| 5094 | { |
| 5095 | return decode_op_hdr(xdr, OP_PUTROOTFH); |
| 5096 | } |
| 5097 | |
Anna Schumaker | 9137bdf | 2014-05-06 09:12:25 -0400 | [diff] [blame] | 5098 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, |
| 5099 | struct nfs_pgio_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5100 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5101 | __be32 *p; |
Trond Myklebust | 64bd577 | 2012-06-20 22:35:05 -0400 | [diff] [blame] | 5102 | uint32_t count, eof, recvd; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5103 | int status; |
| 5104 | |
| 5105 | status = decode_op_hdr(xdr, OP_READ); |
| 5106 | if (status) |
| 5107 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5108 | p = xdr_inline_decode(xdr, 8); |
| 5109 | if (unlikely(!p)) |
| 5110 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 5111 | eof = be32_to_cpup(p++); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 5112 | count = be32_to_cpup(p); |
Trond Myklebust | 64bd577 | 2012-06-20 22:35:05 -0400 | [diff] [blame] | 5113 | recvd = xdr_read_pages(xdr, count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5114 | if (count > recvd) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 5115 | dprintk("NFS: server cheating in read reply: " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5116 | "count %u > recvd %u\n", count, recvd); |
| 5117 | count = recvd; |
| 5118 | eof = 0; |
| 5119 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5120 | res->eof = eof; |
| 5121 | res->count = count; |
| 5122 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5123 | out_overflow: |
| 5124 | print_overflow_msg(__func__, xdr); |
| 5125 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5126 | } |
| 5127 | |
| 5128 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) |
| 5129 | { |
Chuck Lever | bcecff7 | 2007-10-26 13:32:03 -0400 | [diff] [blame] | 5130 | int status; |
Chuck Lever | cd93710 | 2012-03-02 17:14:31 -0500 | [diff] [blame] | 5131 | __be32 verf[2]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5132 | |
| 5133 | status = decode_op_hdr(xdr, OP_READDIR); |
Benny Halevy | db942bb | 2009-08-14 17:19:56 +0300 | [diff] [blame] | 5134 | if (!status) |
| 5135 | status = decode_verifier(xdr, readdir->verifier.data); |
| 5136 | if (unlikely(status)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5137 | return status; |
Chuck Lever | cd93710 | 2012-03-02 17:14:31 -0500 | [diff] [blame] | 5138 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
Fred Isaman | 4410924 | 2008-04-02 15:21:15 +0300 | [diff] [blame] | 5139 | dprintk("%s: verifier = %08x:%08x\n", |
Chuck Lever | cd93710 | 2012-03-02 17:14:31 -0500 | [diff] [blame] | 5140 | __func__, verf[0], verf[1]); |
Trond Myklebust | 64bd577 | 2012-06-20 22:35:05 -0400 | [diff] [blame] | 5141 | return xdr_read_pages(xdr, xdr->buf->page_len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5142 | } |
| 5143 | |
| 5144 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) |
| 5145 | { |
| 5146 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; |
Chuck Lever | bcecff7 | 2007-10-26 13:32:03 -0400 | [diff] [blame] | 5147 | u32 len, recvd; |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5148 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5149 | int status; |
| 5150 | |
| 5151 | status = decode_op_hdr(xdr, OP_READLINK); |
| 5152 | if (status) |
| 5153 | return status; |
| 5154 | |
| 5155 | /* Convert length of symlink */ |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5156 | p = xdr_inline_decode(xdr, 4); |
| 5157 | if (unlikely(!p)) |
| 5158 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 5159 | len = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5160 | if (len >= rcvbuf->page_len || len <= 0) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 5161 | dprintk("nfs: server returned giant symlink!\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5162 | return -ENAMETOOLONG; |
| 5163 | } |
Trond Myklebust | 64bd577 | 2012-06-20 22:35:05 -0400 | [diff] [blame] | 5164 | recvd = xdr_read_pages(xdr, len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5165 | if (recvd < len) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 5166 | dprintk("NFS: server cheating in readlink reply: " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5167 | "count %u > recvd %u\n", len, recvd); |
| 5168 | return -EIO; |
| 5169 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5170 | /* |
| 5171 | * The XDR encode routine has set things up so that |
| 5172 | * the link text will be copied directly into the |
| 5173 | * buffer. We just have to do overflow-checking, |
| 5174 | * and and null-terminate the text (the VFS expects |
| 5175 | * null-termination). |
| 5176 | */ |
Chuck Lever | b4687da | 2010-09-21 16:55:48 -0400 | [diff] [blame] | 5177 | xdr_terminate_string(rcvbuf, len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5178 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5179 | out_overflow: |
| 5180 | print_overflow_msg(__func__, xdr); |
| 5181 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5182 | } |
| 5183 | |
| 5184 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) |
| 5185 | { |
| 5186 | int status; |
| 5187 | |
| 5188 | status = decode_op_hdr(xdr, OP_REMOVE); |
| 5189 | if (status) |
| 5190 | goto out; |
| 5191 | status = decode_change_info(xdr, cinfo); |
| 5192 | out: |
| 5193 | return status; |
| 5194 | } |
| 5195 | |
| 5196 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, |
| 5197 | struct nfs4_change_info *new_cinfo) |
| 5198 | { |
| 5199 | int status; |
| 5200 | |
| 5201 | status = decode_op_hdr(xdr, OP_RENAME); |
| 5202 | if (status) |
| 5203 | goto out; |
| 5204 | if ((status = decode_change_info(xdr, old_cinfo))) |
| 5205 | goto out; |
| 5206 | status = decode_change_info(xdr, new_cinfo); |
| 5207 | out: |
| 5208 | return status; |
| 5209 | } |
| 5210 | |
| 5211 | static int decode_renew(struct xdr_stream *xdr) |
| 5212 | { |
| 5213 | return decode_op_hdr(xdr, OP_RENEW); |
| 5214 | } |
| 5215 | |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 5216 | static int |
| 5217 | decode_restorefh(struct xdr_stream *xdr) |
| 5218 | { |
| 5219 | return decode_op_hdr(xdr, OP_RESTOREFH); |
| 5220 | } |
| 5221 | |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5222 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
Andy Adamson | bf118a3 | 2011-12-07 11:55:27 -0500 | [diff] [blame] | 5223 | struct nfs_getaclres *res) |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5224 | { |
Trond Myklebust | 256e48b | 2012-06-21 11:18:13 -0400 | [diff] [blame] | 5225 | unsigned int savep; |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5226 | uint32_t attrlen, |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 5227 | bitmap[3] = {0}; |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5228 | int status; |
Trond Myklebust | cff298c | 2012-08-14 17:14:17 -0400 | [diff] [blame] | 5229 | unsigned int pg_offset; |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5230 | |
Andy Adamson | bf118a3 | 2011-12-07 11:55:27 -0500 | [diff] [blame] | 5231 | res->acl_len = 0; |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5232 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
| 5233 | goto out; |
Sachin Prabhu | 5a00689 | 2012-04-17 14:35:39 +0100 | [diff] [blame] | 5234 | |
Trond Myklebust | 519d395 | 2012-08-14 17:30:10 -0400 | [diff] [blame] | 5235 | xdr_enter_page(xdr, xdr->buf->page_len); |
| 5236 | |
Trond Myklebust | cff298c | 2012-08-14 17:14:17 -0400 | [diff] [blame] | 5237 | /* Calculate the offset of the page data */ |
| 5238 | pg_offset = xdr->buf->head[0].iov_len; |
Sachin Prabhu | 5a00689 | 2012-04-17 14:35:39 +0100 | [diff] [blame] | 5239 | |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5240 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
| 5241 | goto out; |
| 5242 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) |
| 5243 | goto out; |
| 5244 | |
| 5245 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) |
| 5246 | return -EIO; |
| 5247 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5248 | |
Andy Adamson | bf118a3 | 2011-12-07 11:55:27 -0500 | [diff] [blame] | 5249 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
| 5250 | * are stored with the acl data to handle the problem of |
| 5251 | * variable length bitmaps.*/ |
Trond Myklebust | cff298c | 2012-08-14 17:14:17 -0400 | [diff] [blame] | 5252 | res->acl_data_offset = xdr_stream_pos(xdr) - pg_offset; |
Trond Myklebust | 519d395 | 2012-08-14 17:30:10 -0400 | [diff] [blame] | 5253 | res->acl_len = attrlen; |
Trond Myklebust | 1f1ea6c | 2012-08-26 11:44:43 -0700 | [diff] [blame] | 5254 | |
| 5255 | /* Check for receive buffer overflow */ |
| 5256 | if (res->acl_len > (xdr->nwords << 2) || |
| 5257 | res->acl_len + res->acl_data_offset > xdr->buf->page_len) { |
| 5258 | res->acl_flags |= NFS4_ACL_TRUNC; |
Trond Myklebust | 519d395 | 2012-08-14 17:30:10 -0400 | [diff] [blame] | 5259 | dprintk("NFS: acl reply: attrlen %u > page_len %u\n", |
Trond Myklebust | cff298c | 2012-08-14 17:14:17 -0400 | [diff] [blame] | 5260 | attrlen, xdr->nwords << 2); |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5261 | } |
J. Bruce Fields | 8c233cf | 2005-10-13 16:54:27 -0400 | [diff] [blame] | 5262 | } else |
| 5263 | status = -EOPNOTSUPP; |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 5264 | |
| 5265 | out: |
| 5266 | return status; |
| 5267 | } |
| 5268 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5269 | static int |
| 5270 | decode_savefh(struct xdr_stream *xdr) |
| 5271 | { |
| 5272 | return decode_op_hdr(xdr, OP_SAVEFH); |
| 5273 | } |
| 5274 | |
Benny Halevy | 9e9ecc0 | 2009-04-01 09:22:00 -0400 | [diff] [blame] | 5275 | static int decode_setattr(struct xdr_stream *xdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5276 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5277 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5278 | uint32_t bmlen; |
| 5279 | int status; |
| 5280 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5281 | status = decode_op_hdr(xdr, OP_SETATTR); |
| 5282 | if (status) |
| 5283 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5284 | p = xdr_inline_decode(xdr, 4); |
| 5285 | if (unlikely(!p)) |
| 5286 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 5287 | bmlen = be32_to_cpup(p); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5288 | p = xdr_inline_decode(xdr, bmlen << 2); |
| 5289 | if (likely(p)) |
| 5290 | return 0; |
| 5291 | out_overflow: |
| 5292 | print_overflow_msg(__func__, xdr); |
| 5293 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5294 | } |
| 5295 | |
Trond Myklebust | bb8b27e | 2010-04-16 16:43:06 -0400 | [diff] [blame] | 5296 | 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] | 5297 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5298 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5299 | uint32_t opnum; |
| 5300 | int32_t nfserr; |
| 5301 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5302 | p = xdr_inline_decode(xdr, 8); |
| 5303 | if (unlikely(!p)) |
| 5304 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 5305 | opnum = be32_to_cpup(p++); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5306 | if (opnum != OP_SETCLIENTID) { |
Chuck Lever | fe82a18 | 2007-09-11 18:01:10 -0400 | [diff] [blame] | 5307 | dprintk("nfs: decode_setclientid: Server returned operation" |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 5308 | " %d\n", opnum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5309 | return -EIO; |
| 5310 | } |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 5311 | nfserr = be32_to_cpup(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5312 | if (nfserr == NFS_OK) { |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5313 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
| 5314 | if (unlikely(!p)) |
| 5315 | goto out_overflow; |
Trond Myklebust | bb8b27e | 2010-04-16 16:43:06 -0400 | [diff] [blame] | 5316 | p = xdr_decode_hyper(p, &res->clientid); |
| 5317 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5318 | } else if (nfserr == NFSERR_CLID_INUSE) { |
| 5319 | uint32_t len; |
| 5320 | |
| 5321 | /* skip netid string */ |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5322 | p = xdr_inline_decode(xdr, 4); |
| 5323 | if (unlikely(!p)) |
| 5324 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 5325 | len = be32_to_cpup(p); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5326 | p = xdr_inline_decode(xdr, len); |
| 5327 | if (unlikely(!p)) |
| 5328 | goto out_overflow; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5329 | |
| 5330 | /* skip uaddr string */ |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5331 | p = xdr_inline_decode(xdr, 4); |
| 5332 | if (unlikely(!p)) |
| 5333 | goto out_overflow; |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 5334 | len = be32_to_cpup(p); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5335 | p = xdr_inline_decode(xdr, len); |
| 5336 | if (unlikely(!p)) |
| 5337 | goto out_overflow; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5338 | return -NFSERR_CLID_INUSE; |
| 5339 | } else |
Benny Halevy | 856dff3 | 2008-03-31 17:39:06 +0300 | [diff] [blame] | 5340 | return nfs4_stat_to_errno(nfserr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5341 | |
| 5342 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5343 | out_overflow: |
| 5344 | print_overflow_msg(__func__, xdr); |
| 5345 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5346 | } |
| 5347 | |
| 5348 | static int decode_setclientid_confirm(struct xdr_stream *xdr) |
| 5349 | { |
| 5350 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); |
| 5351 | } |
| 5352 | |
Anna Schumaker | 9137bdf | 2014-05-06 09:12:25 -0400 | [diff] [blame] | 5353 | static int decode_write(struct xdr_stream *xdr, struct nfs_pgio_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5354 | { |
Al Viro | 8687b63 | 2006-10-19 23:28:48 -0700 | [diff] [blame] | 5355 | __be32 *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5356 | int status; |
| 5357 | |
| 5358 | status = decode_op_hdr(xdr, OP_WRITE); |
| 5359 | if (status) |
| 5360 | return status; |
| 5361 | |
Trond Myklebust | 2f2c63b | 2012-06-08 11:56:09 -0400 | [diff] [blame] | 5362 | p = xdr_inline_decode(xdr, 8); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5363 | if (unlikely(!p)) |
| 5364 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 5365 | res->count = be32_to_cpup(p++); |
| 5366 | res->verf->committed = be32_to_cpup(p++); |
Trond Myklebust | 2f2c63b | 2012-06-08 11:56:09 -0400 | [diff] [blame] | 5367 | return decode_write_verifier(xdr, &res->verf->verifier); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5368 | out_overflow: |
| 5369 | print_overflow_msg(__func__, xdr); |
| 5370 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5371 | } |
| 5372 | |
| 5373 | static int decode_delegreturn(struct xdr_stream *xdr) |
| 5374 | { |
| 5375 | return decode_op_hdr(xdr, OP_DELEGRETURN); |
| 5376 | } |
| 5377 | |
Chuck Lever | fb15b26 | 2013-03-16 15:54:34 -0400 | [diff] [blame] | 5378 | static int decode_secinfo_gss(struct xdr_stream *xdr, |
| 5379 | struct nfs4_secinfo4 *flavor) |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 5380 | { |
Chuck Lever | fb15b26 | 2013-03-16 15:54:34 -0400 | [diff] [blame] | 5381 | u32 oid_len; |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 5382 | __be32 *p; |
| 5383 | |
| 5384 | p = xdr_inline_decode(xdr, 4); |
| 5385 | if (unlikely(!p)) |
| 5386 | goto out_overflow; |
Chuck Lever | fb15b26 | 2013-03-16 15:54:34 -0400 | [diff] [blame] | 5387 | oid_len = be32_to_cpup(p); |
| 5388 | if (oid_len > GSS_OID_MAX_LEN) |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 5389 | goto out_err; |
| 5390 | |
Chuck Lever | fb15b26 | 2013-03-16 15:54:34 -0400 | [diff] [blame] | 5391 | p = xdr_inline_decode(xdr, oid_len); |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 5392 | if (unlikely(!p)) |
| 5393 | goto out_overflow; |
Chuck Lever | fb15b26 | 2013-03-16 15:54:34 -0400 | [diff] [blame] | 5394 | memcpy(flavor->flavor_info.oid.data, p, oid_len); |
| 5395 | flavor->flavor_info.oid.len = oid_len; |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 5396 | |
| 5397 | p = xdr_inline_decode(xdr, 8); |
| 5398 | if (unlikely(!p)) |
| 5399 | goto out_overflow; |
Chuck Lever | fb15b26 | 2013-03-16 15:54:34 -0400 | [diff] [blame] | 5400 | flavor->flavor_info.qop = be32_to_cpup(p++); |
| 5401 | flavor->flavor_info.service = be32_to_cpup(p); |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 5402 | |
| 5403 | return 0; |
| 5404 | |
| 5405 | out_overflow: |
| 5406 | print_overflow_msg(__func__, xdr); |
| 5407 | return -EIO; |
| 5408 | out_err: |
| 5409 | return -EINVAL; |
| 5410 | } |
| 5411 | |
Bryan Schumaker | 31e4dda | 2012-04-27 13:27:38 -0400 | [diff] [blame] | 5412 | static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 5413 | { |
Chuck Lever | fb15b26 | 2013-03-16 15:54:34 -0400 | [diff] [blame] | 5414 | struct nfs4_secinfo4 *sec_flavor; |
| 5415 | unsigned int i, num_flavors; |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 5416 | int status; |
| 5417 | __be32 *p; |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 5418 | |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 5419 | p = xdr_inline_decode(xdr, 4); |
| 5420 | if (unlikely(!p)) |
| 5421 | goto out_overflow; |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 5422 | |
Bryan Schumaker | c3dfc28 | 2011-04-13 14:31:31 -0400 | [diff] [blame] | 5423 | res->flavors->num_flavors = 0; |
| 5424 | num_flavors = be32_to_cpup(p); |
| 5425 | |
| 5426 | for (i = 0; i < num_flavors; i++) { |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 5427 | sec_flavor = &res->flavors->flavors[i]; |
Bryan Schumaker | c3dfc28 | 2011-04-13 14:31:31 -0400 | [diff] [blame] | 5428 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 5429 | break; |
| 5430 | |
| 5431 | p = xdr_inline_decode(xdr, 4); |
| 5432 | if (unlikely(!p)) |
| 5433 | goto out_overflow; |
| 5434 | sec_flavor->flavor = be32_to_cpup(p); |
| 5435 | |
| 5436 | if (sec_flavor->flavor == RPC_AUTH_GSS) { |
Bryan Schumaker | 613e901 | 2011-04-27 15:28:44 -0400 | [diff] [blame] | 5437 | status = decode_secinfo_gss(xdr, sec_flavor); |
| 5438 | if (status) |
| 5439 | goto out; |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 5440 | } |
Bryan Schumaker | c3dfc28 | 2011-04-13 14:31:31 -0400 | [diff] [blame] | 5441 | res->flavors->num_flavors++; |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 5442 | } |
| 5443 | |
Bryan Schumaker | 31e4dda | 2012-04-27 13:27:38 -0400 | [diff] [blame] | 5444 | status = 0; |
Bryan Schumaker | 613e901 | 2011-04-27 15:28:44 -0400 | [diff] [blame] | 5445 | out: |
| 5446 | return status; |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 5447 | out_overflow: |
| 5448 | print_overflow_msg(__func__, xdr); |
| 5449 | return -EIO; |
| 5450 | } |
| 5451 | |
Bryan Schumaker | 31e4dda | 2012-04-27 13:27:38 -0400 | [diff] [blame] | 5452 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
| 5453 | { |
| 5454 | int status = decode_op_hdr(xdr, OP_SECINFO); |
| 5455 | if (status) |
| 5456 | return status; |
| 5457 | return decode_secinfo_common(xdr, res); |
| 5458 | } |
| 5459 | |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 5460 | #if defined(CONFIG_NFS_V4_1) |
Bryan Schumaker | 31e4dda | 2012-04-27 13:27:38 -0400 | [diff] [blame] | 5461 | static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
| 5462 | { |
| 5463 | int status = decode_op_hdr(xdr, OP_SECINFO_NO_NAME); |
| 5464 | if (status) |
| 5465 | return status; |
| 5466 | return decode_secinfo_common(xdr, res); |
| 5467 | } |
| 5468 | |
Weston Andros Adamson | 2031cd1 | 2013-08-13 16:37:32 -0400 | [diff] [blame] | 5469 | static int decode_op_map(struct xdr_stream *xdr, struct nfs4_op_map *op_map) |
| 5470 | { |
| 5471 | __be32 *p; |
| 5472 | uint32_t bitmap_words; |
| 5473 | unsigned int i; |
| 5474 | |
| 5475 | p = xdr_inline_decode(xdr, 4); |
| 5476 | bitmap_words = be32_to_cpup(p++); |
| 5477 | if (bitmap_words > NFS4_OP_MAP_NUM_WORDS) |
| 5478 | return -EIO; |
| 5479 | p = xdr_inline_decode(xdr, 4 * bitmap_words); |
| 5480 | for (i = 0; i < bitmap_words; i++) |
| 5481 | op_map->u.words[i] = be32_to_cpup(p++); |
| 5482 | |
| 5483 | return 0; |
| 5484 | } |
| 5485 | |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 5486 | static int decode_exchange_id(struct xdr_stream *xdr, |
| 5487 | struct nfs41_exchange_id_res *res) |
| 5488 | { |
| 5489 | __be32 *p; |
| 5490 | uint32_t dummy; |
Benny Halevy | 2460ba5 | 2009-08-14 17:20:10 +0300 | [diff] [blame] | 5491 | char *dummy_str; |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 5492 | int status; |
Weston Andros Adamson | 7d2ed9a | 2012-02-17 15:20:26 -0500 | [diff] [blame] | 5493 | uint32_t impl_id_count; |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 5494 | |
| 5495 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); |
| 5496 | if (status) |
| 5497 | return status; |
| 5498 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5499 | p = xdr_inline_decode(xdr, 8); |
| 5500 | if (unlikely(!p)) |
| 5501 | goto out_overflow; |
Trond Myklebust | 32b0131 | 2012-05-26 13:41:04 -0400 | [diff] [blame] | 5502 | xdr_decode_hyper(p, &res->clientid); |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5503 | p = xdr_inline_decode(xdr, 12); |
| 5504 | if (unlikely(!p)) |
| 5505 | goto out_overflow; |
Trond Myklebust | 32b0131 | 2012-05-26 13:41:04 -0400 | [diff] [blame] | 5506 | res->seqid = be32_to_cpup(p++); |
| 5507 | res->flags = be32_to_cpup(p++); |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 5508 | |
Weston Andros Adamson | 2031cd1 | 2013-08-13 16:37:32 -0400 | [diff] [blame] | 5509 | res->state_protect.how = be32_to_cpup(p); |
| 5510 | switch (res->state_protect.how) { |
| 5511 | case SP4_NONE: |
| 5512 | break; |
| 5513 | case SP4_MACH_CRED: |
| 5514 | status = decode_op_map(xdr, &res->state_protect.enforce); |
| 5515 | if (status) |
| 5516 | return status; |
| 5517 | status = decode_op_map(xdr, &res->state_protect.allow); |
| 5518 | if (status) |
| 5519 | return status; |
| 5520 | break; |
| 5521 | default: |
| 5522 | WARN_ON_ONCE(1); |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 5523 | return -EIO; |
Weston Andros Adamson | 2031cd1 | 2013-08-13 16:37:32 -0400 | [diff] [blame] | 5524 | } |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 5525 | |
Chuck Lever | acdeb69 | 2012-05-21 22:46:16 -0400 | [diff] [blame] | 5526 | /* server_owner4.so_minor_id */ |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5527 | p = xdr_inline_decode(xdr, 8); |
| 5528 | if (unlikely(!p)) |
| 5529 | goto out_overflow; |
Chuck Lever | acdeb69 | 2012-05-21 22:46:16 -0400 | [diff] [blame] | 5530 | p = xdr_decode_hyper(p, &res->server_owner->minor_id); |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 5531 | |
Chuck Lever | acdeb69 | 2012-05-21 22:46:16 -0400 | [diff] [blame] | 5532 | /* server_owner4.so_major_id */ |
Benny Halevy | 2460ba5 | 2009-08-14 17:20:10 +0300 | [diff] [blame] | 5533 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
| 5534 | if (unlikely(status)) |
| 5535 | return status; |
Weston Andros Adamson | 78fe0f4 | 2011-05-31 19:05:47 -0400 | [diff] [blame] | 5536 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
| 5537 | return -EIO; |
Chuck Lever | acdeb69 | 2012-05-21 22:46:16 -0400 | [diff] [blame] | 5538 | memcpy(res->server_owner->major_id, dummy_str, dummy); |
| 5539 | res->server_owner->major_id_sz = dummy; |
Weston Andros Adamson | 78fe0f4 | 2011-05-31 19:05:47 -0400 | [diff] [blame] | 5540 | |
Chuck Lever | acdeb69 | 2012-05-21 22:46:16 -0400 | [diff] [blame] | 5541 | /* server_scope4 */ |
| 5542 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
| 5543 | if (unlikely(status)) |
| 5544 | return status; |
| 5545 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
| 5546 | return -EIO; |
Weston Andros Adamson | 78fe0f4 | 2011-05-31 19:05:47 -0400 | [diff] [blame] | 5547 | memcpy(res->server_scope->server_scope, dummy_str, dummy); |
| 5548 | res->server_scope->server_scope_sz = dummy; |
| 5549 | |
Weston Andros Adamson | 7d2ed9a | 2012-02-17 15:20:26 -0500 | [diff] [blame] | 5550 | /* Implementation Id */ |
| 5551 | p = xdr_inline_decode(xdr, 4); |
| 5552 | if (unlikely(!p)) |
| 5553 | goto out_overflow; |
| 5554 | impl_id_count = be32_to_cpup(p++); |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 5555 | |
Weston Andros Adamson | 7d2ed9a | 2012-02-17 15:20:26 -0500 | [diff] [blame] | 5556 | if (impl_id_count) { |
| 5557 | /* nii_domain */ |
| 5558 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
| 5559 | if (unlikely(status)) |
| 5560 | return status; |
| 5561 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
| 5562 | return -EIO; |
| 5563 | memcpy(res->impl_id->domain, dummy_str, dummy); |
| 5564 | |
| 5565 | /* nii_name */ |
| 5566 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
| 5567 | if (unlikely(status)) |
| 5568 | return status; |
| 5569 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
| 5570 | return -EIO; |
| 5571 | memcpy(res->impl_id->name, dummy_str, dummy); |
| 5572 | |
| 5573 | /* nii_date */ |
| 5574 | p = xdr_inline_decode(xdr, 12); |
| 5575 | if (unlikely(!p)) |
| 5576 | goto out_overflow; |
| 5577 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); |
| 5578 | res->impl_id->date.nseconds = be32_to_cpup(p); |
| 5579 | |
| 5580 | /* if there's more than one entry, ignore the rest */ |
| 5581 | } |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 5582 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5583 | out_overflow: |
| 5584 | print_overflow_msg(__func__, xdr); |
| 5585 | return -EIO; |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 5586 | } |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 5587 | |
| 5588 | static int decode_chan_attrs(struct xdr_stream *xdr, |
| 5589 | struct nfs4_channel_attrs *attrs) |
| 5590 | { |
| 5591 | __be32 *p; |
Benny Halevy | c9c30dd | 2011-06-11 17:08:39 -0400 | [diff] [blame] | 5592 | u32 nr_attrs, val; |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 5593 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5594 | p = xdr_inline_decode(xdr, 28); |
| 5595 | if (unlikely(!p)) |
| 5596 | goto out_overflow; |
Benny Halevy | c9c30dd | 2011-06-11 17:08:39 -0400 | [diff] [blame] | 5597 | val = be32_to_cpup(p++); /* headerpadsz */ |
| 5598 | if (val) |
| 5599 | return -EINVAL; /* no support for header padding yet */ |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 5600 | attrs->max_rqst_sz = be32_to_cpup(p++); |
| 5601 | attrs->max_resp_sz = be32_to_cpup(p++); |
| 5602 | attrs->max_resp_sz_cached = be32_to_cpup(p++); |
| 5603 | attrs->max_ops = be32_to_cpup(p++); |
| 5604 | attrs->max_reqs = be32_to_cpup(p++); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 5605 | nr_attrs = be32_to_cpup(p); |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 5606 | if (unlikely(nr_attrs > 1)) { |
Weston Andros Adamson | a030889 | 2012-01-26 13:32:23 -0500 | [diff] [blame] | 5607 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
| 5608 | "count %u\n", __func__, nr_attrs); |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 5609 | return -EINVAL; |
| 5610 | } |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5611 | if (nr_attrs == 1) { |
| 5612 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ |
| 5613 | if (unlikely(!p)) |
| 5614 | goto out_overflow; |
| 5615 | } |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 5616 | return 0; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5617 | out_overflow: |
| 5618 | print_overflow_msg(__func__, xdr); |
| 5619 | return -EIO; |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 5620 | } |
| 5621 | |
Benny Halevy | e78291e | 2009-08-14 17:20:00 +0300 | [diff] [blame] | 5622 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
| 5623 | { |
| 5624 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 5625 | } |
| 5626 | |
Weston Andros Adamson | 7c44f1ae | 2012-05-24 13:22:50 -0400 | [diff] [blame] | 5627 | static int decode_bind_conn_to_session(struct xdr_stream *xdr, |
| 5628 | struct nfs41_bind_conn_to_session_res *res) |
| 5629 | { |
| 5630 | __be32 *p; |
| 5631 | int status; |
| 5632 | |
| 5633 | status = decode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION); |
| 5634 | if (!status) |
| 5635 | status = decode_sessionid(xdr, &res->session->sess_id); |
| 5636 | if (unlikely(status)) |
| 5637 | return status; |
| 5638 | |
| 5639 | /* dir flags, rdma mode bool */ |
| 5640 | p = xdr_inline_decode(xdr, 8); |
| 5641 | if (unlikely(!p)) |
| 5642 | goto out_overflow; |
| 5643 | |
| 5644 | res->dir = be32_to_cpup(p++); |
| 5645 | if (res->dir == 0 || res->dir > NFS4_CDFS4_BOTH) |
| 5646 | return -EIO; |
| 5647 | if (be32_to_cpup(p) == 0) |
| 5648 | res->use_conn_in_rdma_mode = false; |
| 5649 | else |
| 5650 | res->use_conn_in_rdma_mode = true; |
| 5651 | |
| 5652 | return 0; |
| 5653 | out_overflow: |
| 5654 | print_overflow_msg(__func__, xdr); |
| 5655 | return -EIO; |
| 5656 | } |
| 5657 | |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 5658 | static int decode_create_session(struct xdr_stream *xdr, |
| 5659 | struct nfs41_create_session_res *res) |
| 5660 | { |
| 5661 | __be32 *p; |
| 5662 | int status; |
| 5663 | struct nfs_client *clp = res->client; |
| 5664 | struct nfs4_session *session = clp->cl_session; |
| 5665 | |
| 5666 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); |
Benny Halevy | e78291e | 2009-08-14 17:20:00 +0300 | [diff] [blame] | 5667 | if (!status) |
| 5668 | status = decode_sessionid(xdr, &session->sess_id); |
| 5669 | if (unlikely(status)) |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 5670 | return status; |
| 5671 | |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 5672 | /* seqid, flags */ |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5673 | p = xdr_inline_decode(xdr, 8); |
| 5674 | if (unlikely(!p)) |
| 5675 | goto out_overflow; |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 5676 | clp->cl_seqid = be32_to_cpup(p++); |
Benny Halevy | cccddf4 | 2009-08-14 17:20:19 +0300 | [diff] [blame] | 5677 | session->flags = be32_to_cpup(p); |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 5678 | |
| 5679 | /* Channel attributes */ |
| 5680 | status = decode_chan_attrs(xdr, &session->fc_attrs); |
| 5681 | if (!status) |
| 5682 | status = decode_chan_attrs(xdr, &session->bc_attrs); |
| 5683 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5684 | out_overflow: |
| 5685 | print_overflow_msg(__func__, xdr); |
| 5686 | return -EIO; |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 5687 | } |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 5688 | |
| 5689 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) |
| 5690 | { |
| 5691 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); |
| 5692 | } |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 5693 | |
Trond Myklebust | 6624553 | 2012-05-25 17:18:09 -0400 | [diff] [blame] | 5694 | static int decode_destroy_clientid(struct xdr_stream *xdr, void *dummy) |
| 5695 | { |
| 5696 | return decode_op_hdr(xdr, OP_DESTROY_CLIENTID); |
| 5697 | } |
| 5698 | |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 5699 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) |
| 5700 | { |
| 5701 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); |
| 5702 | } |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 5703 | #endif /* CONFIG_NFS_V4_1 */ |
| 5704 | |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5705 | static int decode_sequence(struct xdr_stream *xdr, |
| 5706 | struct nfs4_sequence_res *res, |
| 5707 | struct rpc_rqst *rqstp) |
| 5708 | { |
| 5709 | #if defined(CONFIG_NFS_V4_1) |
Trond Myklebust | e3725ec | 2012-11-16 12:25:01 -0500 | [diff] [blame] | 5710 | struct nfs4_session *session; |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 5711 | struct nfs4_sessionid id; |
| 5712 | u32 dummy; |
| 5713 | int status; |
| 5714 | __be32 *p; |
| 5715 | |
Trond Myklebust | e3725ec | 2012-11-16 12:25:01 -0500 | [diff] [blame] | 5716 | if (res->sr_slot == NULL) |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5717 | return 0; |
Chuck Lever | 3bd2384 | 2013-08-09 12:49:19 -0400 | [diff] [blame] | 5718 | if (!res->sr_slot->table->session) |
| 5719 | return 0; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5720 | |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 5721 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
Benny Halevy | e78291e | 2009-08-14 17:20:00 +0300 | [diff] [blame] | 5722 | if (!status) |
| 5723 | status = decode_sessionid(xdr, &id); |
| 5724 | if (unlikely(status)) |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 5725 | goto out_err; |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5726 | |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 5727 | /* |
| 5728 | * If the server returns different values for sessionID, slotID or |
| 5729 | * sequence number, the server is looney tunes. |
| 5730 | */ |
Trond Myklebust | fdcb457 | 2010-02-08 09:32:40 -0500 | [diff] [blame] | 5731 | status = -EREMOTEIO; |
Trond Myklebust | e3725ec | 2012-11-16 12:25:01 -0500 | [diff] [blame] | 5732 | session = res->sr_slot->table->session; |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 5733 | |
Trond Myklebust | e3725ec | 2012-11-16 12:25:01 -0500 | [diff] [blame] | 5734 | if (memcmp(id.data, session->sess_id.data, |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 5735 | NFS4_MAX_SESSIONID_LEN)) { |
| 5736 | dprintk("%s Invalid session id\n", __func__); |
| 5737 | goto out_err; |
| 5738 | } |
Benny Halevy | e78291e | 2009-08-14 17:20:00 +0300 | [diff] [blame] | 5739 | |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5740 | p = xdr_inline_decode(xdr, 20); |
| 5741 | if (unlikely(!p)) |
| 5742 | goto out_overflow; |
Benny Halevy | e78291e | 2009-08-14 17:20:00 +0300 | [diff] [blame] | 5743 | |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 5744 | /* seqid */ |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 5745 | dummy = be32_to_cpup(p++); |
Benny Halevy | dfb4f309 | 2010-09-24 09:17:01 -0400 | [diff] [blame] | 5746 | if (dummy != res->sr_slot->seq_nr) { |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 5747 | dprintk("%s Invalid sequence number\n", __func__); |
| 5748 | goto out_err; |
| 5749 | } |
| 5750 | /* slot id */ |
Benny Halevy | 6f723f7 | 2009-08-14 17:19:37 +0300 | [diff] [blame] | 5751 | dummy = be32_to_cpup(p++); |
Trond Myklebust | df2fabf | 2012-11-16 12:45:06 -0500 | [diff] [blame] | 5752 | if (dummy != res->sr_slot->slot_nr) { |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 5753 | dprintk("%s Invalid slot id\n", __func__); |
| 5754 | goto out_err; |
| 5755 | } |
Trond Myklebust | da0507b | 2012-11-20 18:10:30 -0500 | [diff] [blame] | 5756 | /* highest slot id */ |
| 5757 | res->sr_highest_slotid = be32_to_cpup(p++); |
Trond Myklebust | 464ee9f | 2012-11-20 12:49:27 -0500 | [diff] [blame] | 5758 | /* target highest slot id */ |
| 5759 | res->sr_target_highest_slotid = be32_to_cpup(p++); |
Alexandros Batsakis | 0629e37 | 2009-12-05 13:46:14 -0500 | [diff] [blame] | 5760 | /* result flags */ |
| 5761 | res->sr_status_flags = be32_to_cpup(p); |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 5762 | status = 0; |
| 5763 | out_err: |
| 5764 | res->sr_status = status; |
| 5765 | return status; |
Benny Halevy | c0eae66 | 2009-08-14 17:20:14 +0300 | [diff] [blame] | 5766 | out_overflow: |
| 5767 | print_overflow_msg(__func__, xdr); |
| 5768 | status = -EIO; |
| 5769 | goto out_err; |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 5770 | #else /* CONFIG_NFS_V4_1 */ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5771 | return 0; |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 5772 | #endif /* CONFIG_NFS_V4_1 */ |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 5773 | } |
| 5774 | |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 5775 | #if defined(CONFIG_NFS_V4_1) |
Andy Adamson | 7f11d8d | 2011-07-30 20:52:35 -0400 | [diff] [blame] | 5776 | /* |
| 5777 | * TODO: Need to handle case when EOF != true; |
| 5778 | */ |
| 5779 | static int decode_getdevicelist(struct xdr_stream *xdr, |
| 5780 | struct pnfs_devicelist *res) |
| 5781 | { |
| 5782 | __be32 *p; |
| 5783 | int status, i; |
Trond Myklebust | 98d9452 | 2012-06-08 12:01:14 -0400 | [diff] [blame] | 5784 | nfs4_verifier verftemp; |
Andy Adamson | 7f11d8d | 2011-07-30 20:52:35 -0400 | [diff] [blame] | 5785 | |
| 5786 | status = decode_op_hdr(xdr, OP_GETDEVICELIST); |
| 5787 | if (status) |
| 5788 | return status; |
| 5789 | |
| 5790 | p = xdr_inline_decode(xdr, 8 + 8 + 4); |
| 5791 | if (unlikely(!p)) |
| 5792 | goto out_overflow; |
| 5793 | |
| 5794 | /* TODO: Skip cookie for now */ |
| 5795 | p += 2; |
| 5796 | |
| 5797 | /* Read verifier */ |
Trond Myklebust | 98d9452 | 2012-06-08 12:01:14 -0400 | [diff] [blame] | 5798 | p = xdr_decode_opaque_fixed(p, verftemp.data, NFS4_VERIFIER_SIZE); |
Andy Adamson | 7f11d8d | 2011-07-30 20:52:35 -0400 | [diff] [blame] | 5799 | |
| 5800 | res->num_devs = be32_to_cpup(p); |
| 5801 | |
| 5802 | dprintk("%s: num_dev %d\n", __func__, res->num_devs); |
| 5803 | |
| 5804 | if (res->num_devs > NFS4_PNFS_GETDEVLIST_MAXNUM) { |
Weston Andros Adamson | a030889 | 2012-01-26 13:32:23 -0500 | [diff] [blame] | 5805 | printk(KERN_ERR "NFS: %s too many result dev_num %u\n", |
Andy Adamson | 7f11d8d | 2011-07-30 20:52:35 -0400 | [diff] [blame] | 5806 | __func__, res->num_devs); |
| 5807 | return -EIO; |
| 5808 | } |
| 5809 | |
| 5810 | p = xdr_inline_decode(xdr, |
| 5811 | res->num_devs * NFS4_DEVICEID4_SIZE + 4); |
| 5812 | if (unlikely(!p)) |
| 5813 | goto out_overflow; |
| 5814 | for (i = 0; i < res->num_devs; i++) |
| 5815 | p = xdr_decode_opaque_fixed(p, res->dev_id[i].data, |
| 5816 | NFS4_DEVICEID4_SIZE); |
| 5817 | res->eof = be32_to_cpup(p); |
| 5818 | return 0; |
| 5819 | out_overflow: |
| 5820 | print_overflow_msg(__func__, xdr); |
| 5821 | return -EIO; |
| 5822 | } |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 5823 | |
| 5824 | static int decode_getdeviceinfo(struct xdr_stream *xdr, |
| 5825 | struct pnfs_device *pdev) |
| 5826 | { |
| 5827 | __be32 *p; |
| 5828 | uint32_t len, type; |
| 5829 | int status; |
| 5830 | |
| 5831 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); |
| 5832 | if (status) { |
| 5833 | if (status == -ETOOSMALL) { |
| 5834 | p = xdr_inline_decode(xdr, 4); |
| 5835 | if (unlikely(!p)) |
| 5836 | goto out_overflow; |
| 5837 | pdev->mincount = be32_to_cpup(p); |
| 5838 | dprintk("%s: Min count too small. mincnt = %u\n", |
| 5839 | __func__, pdev->mincount); |
| 5840 | } |
| 5841 | return status; |
| 5842 | } |
| 5843 | |
| 5844 | p = xdr_inline_decode(xdr, 8); |
| 5845 | if (unlikely(!p)) |
| 5846 | goto out_overflow; |
| 5847 | type = be32_to_cpup(p++); |
| 5848 | if (type != pdev->layout_type) { |
| 5849 | dprintk("%s: layout mismatch req: %u pdev: %u\n", |
| 5850 | __func__, pdev->layout_type, type); |
| 5851 | return -EINVAL; |
| 5852 | } |
| 5853 | /* |
| 5854 | * Get the length of the opaque device_addr4. xdr_read_pages places |
| 5855 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) |
| 5856 | * and places the remaining xdr data in xdr_buf->tail |
| 5857 | */ |
| 5858 | pdev->mincount = be32_to_cpup(p); |
Trond Myklebust | 13fe4ba | 2012-08-01 14:21:12 -0400 | [diff] [blame] | 5859 | if (xdr_read_pages(xdr, pdev->mincount) != pdev->mincount) |
| 5860 | goto out_overflow; |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 5861 | |
| 5862 | /* Parse notification bitmap, verifying that it is zero. */ |
| 5863 | p = xdr_inline_decode(xdr, 4); |
| 5864 | if (unlikely(!p)) |
| 5865 | goto out_overflow; |
| 5866 | len = be32_to_cpup(p); |
| 5867 | if (len) { |
Chuck Lever | ead0059 | 2010-12-14 14:58:21 +0000 | [diff] [blame] | 5868 | uint32_t i; |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 5869 | |
| 5870 | p = xdr_inline_decode(xdr, 4 * len); |
| 5871 | if (unlikely(!p)) |
| 5872 | goto out_overflow; |
| 5873 | for (i = 0; i < len; i++, p++) { |
| 5874 | if (be32_to_cpup(p)) { |
| 5875 | dprintk("%s: notifications not supported\n", |
| 5876 | __func__); |
| 5877 | return -EIO; |
| 5878 | } |
| 5879 | } |
| 5880 | } |
| 5881 | return 0; |
| 5882 | out_overflow: |
| 5883 | print_overflow_msg(__func__, xdr); |
| 5884 | return -EIO; |
| 5885 | } |
| 5886 | |
| 5887 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, |
| 5888 | struct nfs4_layoutget_res *res) |
| 5889 | { |
| 5890 | __be32 *p; |
| 5891 | int status; |
| 5892 | u32 layout_count; |
Trond Myklebust | 64bd577 | 2012-06-20 22:35:05 -0400 | [diff] [blame] | 5893 | u32 recvd; |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 5894 | |
| 5895 | status = decode_op_hdr(xdr, OP_LAYOUTGET); |
| 5896 | if (status) |
| 5897 | return status; |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 5898 | p = xdr_inline_decode(xdr, 4); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 5899 | if (unlikely(!p)) |
| 5900 | goto out_overflow; |
Trond Myklebust | ea9d23f | 2012-03-04 18:13:56 -0500 | [diff] [blame] | 5901 | res->return_on_close = be32_to_cpup(p); |
| 5902 | decode_stateid(xdr, &res->stateid); |
| 5903 | p = xdr_inline_decode(xdr, 4); |
| 5904 | if (unlikely(!p)) |
| 5905 | goto out_overflow; |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 5906 | layout_count = be32_to_cpup(p); |
| 5907 | if (!layout_count) { |
| 5908 | dprintk("%s: server responded with empty layout array\n", |
| 5909 | __func__); |
| 5910 | return -EINVAL; |
| 5911 | } |
| 5912 | |
Weston Andros Adamson | 35124a0 | 2011-03-24 16:48:21 -0400 | [diff] [blame] | 5913 | p = xdr_inline_decode(xdr, 28); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 5914 | if (unlikely(!p)) |
| 5915 | goto out_overflow; |
| 5916 | p = xdr_decode_hyper(p, &res->range.offset); |
| 5917 | p = xdr_decode_hyper(p, &res->range.length); |
| 5918 | res->range.iomode = be32_to_cpup(p++); |
| 5919 | res->type = be32_to_cpup(p++); |
Weston Andros Adamson | 35124a0 | 2011-03-24 16:48:21 -0400 | [diff] [blame] | 5920 | res->layoutp->len = be32_to_cpup(p); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 5921 | |
| 5922 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", |
| 5923 | __func__, |
| 5924 | (unsigned long)res->range.offset, |
| 5925 | (unsigned long)res->range.length, |
| 5926 | res->range.iomode, |
| 5927 | res->type, |
Weston Andros Adamson | 35124a0 | 2011-03-24 16:48:21 -0400 | [diff] [blame] | 5928 | res->layoutp->len); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 5929 | |
Trond Myklebust | 64bd577 | 2012-06-20 22:35:05 -0400 | [diff] [blame] | 5930 | recvd = xdr_read_pages(xdr, res->layoutp->len); |
Weston Andros Adamson | 35124a0 | 2011-03-24 16:48:21 -0400 | [diff] [blame] | 5931 | if (res->layoutp->len > recvd) { |
| 5932 | dprintk("NFS: server cheating in layoutget reply: " |
| 5933 | "layout len %u > recvd %u\n", |
| 5934 | res->layoutp->len, recvd); |
| 5935 | return -EINVAL; |
| 5936 | } |
| 5937 | |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 5938 | if (layout_count > 1) { |
| 5939 | /* We only handle a length one array at the moment. Any |
| 5940 | * further entries are just ignored. Note that this means |
| 5941 | * the client may see a response that is less than the |
| 5942 | * minimum it requested. |
| 5943 | */ |
| 5944 | dprintk("%s: server responded with %d layouts, dropping tail\n", |
| 5945 | __func__, layout_count); |
| 5946 | } |
| 5947 | |
| 5948 | return 0; |
| 5949 | out_overflow: |
| 5950 | print_overflow_msg(__func__, xdr); |
| 5951 | return -EIO; |
| 5952 | } |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 5953 | |
Benny Halevy | cbe8260 | 2011-05-22 19:52:37 +0300 | [diff] [blame] | 5954 | static int decode_layoutreturn(struct xdr_stream *xdr, |
| 5955 | struct nfs4_layoutreturn_res *res) |
| 5956 | { |
| 5957 | __be32 *p; |
| 5958 | int status; |
| 5959 | |
| 5960 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); |
| 5961 | if (status) |
| 5962 | return status; |
| 5963 | p = xdr_inline_decode(xdr, 4); |
| 5964 | if (unlikely(!p)) |
| 5965 | goto out_overflow; |
| 5966 | res->lrs_present = be32_to_cpup(p); |
| 5967 | if (res->lrs_present) |
| 5968 | status = decode_stateid(xdr, &res->stateid); |
| 5969 | return status; |
| 5970 | out_overflow: |
| 5971 | print_overflow_msg(__func__, xdr); |
| 5972 | return -EIO; |
| 5973 | } |
| 5974 | |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 5975 | static int decode_layoutcommit(struct xdr_stream *xdr, |
| 5976 | struct rpc_rqst *req, |
| 5977 | struct nfs4_layoutcommit_res *res) |
| 5978 | { |
| 5979 | __be32 *p; |
| 5980 | __u32 sizechanged; |
| 5981 | int status; |
| 5982 | |
| 5983 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); |
Andy Adamson | db29c08 | 2011-07-30 20:52:38 -0400 | [diff] [blame] | 5984 | res->status = status; |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 5985 | if (status) |
| 5986 | return status; |
| 5987 | |
| 5988 | p = xdr_inline_decode(xdr, 4); |
| 5989 | if (unlikely(!p)) |
| 5990 | goto out_overflow; |
| 5991 | sizechanged = be32_to_cpup(p); |
| 5992 | |
| 5993 | if (sizechanged) { |
| 5994 | /* throw away new size */ |
| 5995 | p = xdr_inline_decode(xdr, 8); |
| 5996 | if (unlikely(!p)) |
| 5997 | goto out_overflow; |
| 5998 | } |
| 5999 | return 0; |
| 6000 | out_overflow: |
| 6001 | print_overflow_msg(__func__, xdr); |
| 6002 | return -EIO; |
| 6003 | } |
Bryan Schumaker | 7d97479 | 2011-06-02 14:59:08 -0400 | [diff] [blame] | 6004 | |
| 6005 | static int decode_test_stateid(struct xdr_stream *xdr, |
| 6006 | struct nfs41_test_stateid_res *res) |
| 6007 | { |
| 6008 | __be32 *p; |
| 6009 | int status; |
| 6010 | int num_res; |
| 6011 | |
| 6012 | status = decode_op_hdr(xdr, OP_TEST_STATEID); |
| 6013 | if (status) |
| 6014 | return status; |
| 6015 | |
| 6016 | p = xdr_inline_decode(xdr, 4); |
| 6017 | if (unlikely(!p)) |
| 6018 | goto out_overflow; |
| 6019 | num_res = be32_to_cpup(p++); |
| 6020 | if (num_res != 1) |
| 6021 | goto out; |
| 6022 | |
| 6023 | p = xdr_inline_decode(xdr, 4); |
| 6024 | if (unlikely(!p)) |
| 6025 | goto out_overflow; |
| 6026 | res->status = be32_to_cpup(p++); |
Bryan Schumaker | 1cab065 | 2012-01-31 10:39:29 -0500 | [diff] [blame] | 6027 | |
| 6028 | return status; |
Bryan Schumaker | 7d97479 | 2011-06-02 14:59:08 -0400 | [diff] [blame] | 6029 | out_overflow: |
| 6030 | print_overflow_msg(__func__, xdr); |
| 6031 | out: |
| 6032 | return -EIO; |
| 6033 | } |
Bryan Schumaker | 9aeda35 | 2011-06-02 14:59:09 -0400 | [diff] [blame] | 6034 | |
| 6035 | static int decode_free_stateid(struct xdr_stream *xdr, |
| 6036 | struct nfs41_free_stateid_res *res) |
| 6037 | { |
Andy Adamson | 9f79fb4 | 2013-09-10 12:56:29 -0400 | [diff] [blame] | 6038 | res->status = decode_op_hdr(xdr, OP_FREE_STATEID); |
Bryan Schumaker | 9aeda35 | 2011-06-02 14:59:09 -0400 | [diff] [blame] | 6039 | return res->status; |
Bryan Schumaker | 9aeda35 | 2011-06-02 14:59:09 -0400 | [diff] [blame] | 6040 | } |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 6041 | #endif /* CONFIG_NFS_V4_1 */ |
| 6042 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6043 | /* |
Benny Halevy | 49c2559 | 2008-12-23 16:06:16 -0500 | [diff] [blame] | 6044 | * END OF "GENERIC" DECODE ROUTINES. |
| 6045 | */ |
| 6046 | |
| 6047 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6048 | * Decode OPEN_DOWNGRADE response |
| 6049 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6050 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
| 6051 | struct xdr_stream *xdr, |
| 6052 | struct nfs_closeres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6053 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6054 | struct compound_hdr hdr; |
| 6055 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6056 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6057 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6058 | if (status) |
| 6059 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6060 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6061 | if (status) |
| 6062 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6063 | status = decode_putfh(xdr); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6064 | if (status) |
| 6065 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6066 | status = decode_open_downgrade(xdr, res); |
Trond Myklebust | 516a6af | 2005-10-27 22:12:41 -0400 | [diff] [blame] | 6067 | if (status != 0) |
| 6068 | goto out; |
Trond Myklebust | 6926afd | 2012-01-07 13:22:46 -0500 | [diff] [blame] | 6069 | decode_getfattr(xdr, res->fattr, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6070 | out: |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6071 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6072 | } |
| 6073 | |
| 6074 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6075 | * Decode ACCESS response |
| 6076 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6077 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
| 6078 | struct nfs4_accessres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6079 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6080 | struct compound_hdr hdr; |
| 6081 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6082 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6083 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6084 | if (status) |
| 6085 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6086 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6087 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6088 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6089 | status = decode_putfh(xdr); |
Trond Myklebust | 76b3299 | 2007-08-10 17:45:11 -0400 | [diff] [blame] | 6090 | if (status != 0) |
| 6091 | goto out; |
Weston Andros Adamson | 6168f62 | 2012-09-10 14:00:46 -0400 | [diff] [blame] | 6092 | status = decode_access(xdr, &res->supported, &res->access); |
Trond Myklebust | 76b3299 | 2007-08-10 17:45:11 -0400 | [diff] [blame] | 6093 | if (status != 0) |
| 6094 | goto out; |
Trond Myklebust | 6926afd | 2012-01-07 13:22:46 -0500 | [diff] [blame] | 6095 | decode_getfattr(xdr, res->fattr, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6096 | out: |
| 6097 | return status; |
| 6098 | } |
| 6099 | |
| 6100 | /* |
| 6101 | * Decode LOOKUP response |
| 6102 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6103 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
| 6104 | struct nfs4_lookup_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6105 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6106 | struct compound_hdr hdr; |
| 6107 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6108 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6109 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6110 | if (status) |
| 6111 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6112 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6113 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6114 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6115 | status = decode_putfh(xdr); |
| 6116 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6117 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6118 | status = decode_lookup(xdr); |
| 6119 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6120 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6121 | status = decode_getfh(xdr, res->fh); |
| 6122 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6123 | goto out; |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 6124 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6125 | out: |
| 6126 | return status; |
| 6127 | } |
| 6128 | |
| 6129 | /* |
| 6130 | * Decode LOOKUP_ROOT response |
| 6131 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6132 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
| 6133 | struct xdr_stream *xdr, |
| 6134 | struct nfs4_lookup_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6135 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6136 | struct compound_hdr hdr; |
| 6137 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6138 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6139 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6140 | if (status) |
| 6141 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6142 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6143 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6144 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6145 | status = decode_putrootfh(xdr); |
| 6146 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6147 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6148 | status = decode_getfh(xdr, res->fh); |
| 6149 | if (status == 0) |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 6150 | status = decode_getfattr_label(xdr, res->fattr, |
| 6151 | res->label, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6152 | out: |
| 6153 | return status; |
| 6154 | } |
| 6155 | |
| 6156 | /* |
| 6157 | * Decode REMOVE response |
| 6158 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6159 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
| 6160 | struct nfs_removeres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6161 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6162 | struct compound_hdr hdr; |
| 6163 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6164 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6165 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6166 | if (status) |
| 6167 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6168 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6169 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6170 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6171 | status = decode_putfh(xdr); |
| 6172 | if (status) |
Trond Myklebust | 16e4295 | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 6173 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6174 | status = decode_remove(xdr, &res->cinfo); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6175 | out: |
| 6176 | return status; |
| 6177 | } |
| 6178 | |
| 6179 | /* |
| 6180 | * Decode RENAME response |
| 6181 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6182 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
| 6183 | struct nfs_renameres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6184 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6185 | struct compound_hdr hdr; |
| 6186 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6187 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6188 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6189 | if (status) |
| 6190 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6191 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6192 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6193 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6194 | status = decode_putfh(xdr); |
| 6195 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6196 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6197 | status = decode_savefh(xdr); |
| 6198 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6199 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6200 | status = decode_putfh(xdr); |
| 6201 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6202 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6203 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6204 | out: |
| 6205 | return status; |
| 6206 | } |
| 6207 | |
| 6208 | /* |
| 6209 | * Decode LINK response |
| 6210 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6211 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
| 6212 | struct nfs4_link_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6213 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6214 | struct compound_hdr hdr; |
| 6215 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6216 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6217 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6218 | if (status) |
| 6219 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6220 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6221 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6222 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6223 | status = decode_putfh(xdr); |
| 6224 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6225 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6226 | status = decode_savefh(xdr); |
| 6227 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6228 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6229 | status = decode_putfh(xdr); |
| 6230 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6231 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6232 | status = decode_link(xdr, &res->cinfo); |
| 6233 | if (status) |
Trond Myklebust | 91ba2ee | 2005-10-27 22:12:42 -0400 | [diff] [blame] | 6234 | goto out; |
| 6235 | /* |
| 6236 | * Note order: OP_LINK leaves the directory as the current |
| 6237 | * filehandle. |
| 6238 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6239 | status = decode_restorefh(xdr); |
| 6240 | if (status) |
Trond Myklebust | 91ba2ee | 2005-10-27 22:12:42 -0400 | [diff] [blame] | 6241 | goto out; |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 6242 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6243 | out: |
| 6244 | return status; |
| 6245 | } |
| 6246 | |
| 6247 | /* |
| 6248 | * Decode CREATE response |
| 6249 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6250 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
| 6251 | struct nfs4_create_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6252 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6253 | struct compound_hdr hdr; |
| 6254 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6255 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6256 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6257 | if (status) |
| 6258 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6259 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6260 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6261 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6262 | status = decode_putfh(xdr); |
| 6263 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6264 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6265 | status = decode_create(xdr, &res->dir_cinfo); |
| 6266 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6267 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6268 | status = decode_getfh(xdr, res->fh); |
| 6269 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6270 | goto out; |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 6271 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6272 | out: |
| 6273 | return status; |
| 6274 | } |
| 6275 | |
| 6276 | /* |
| 6277 | * Decode SYMLINK response |
| 6278 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6279 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
| 6280 | struct nfs4_create_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6281 | { |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6282 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6283 | } |
| 6284 | |
| 6285 | /* |
| 6286 | * Decode GETATTR response |
| 6287 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6288 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
| 6289 | struct nfs4_getattr_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6290 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6291 | struct compound_hdr hdr; |
| 6292 | int status; |
Andy Adamson | 6c0195a | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6293 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6294 | status = decode_compound_hdr(xdr, &hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6295 | if (status) |
| 6296 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6297 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6298 | if (status) |
| 6299 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6300 | status = decode_putfh(xdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6301 | if (status) |
| 6302 | goto out; |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 6303 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6304 | out: |
| 6305 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6306 | } |
| 6307 | |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 6308 | /* |
| 6309 | * Encode an SETACL request |
| 6310 | */ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 6311 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
| 6312 | struct nfs_setaclargs *args) |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 6313 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6314 | struct compound_hdr hdr = { |
Benny Halevy | 66cc042 | 2009-04-01 09:22:10 -0400 | [diff] [blame] | 6315 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6316 | }; |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 6317 | |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 6318 | encode_compound_hdr(xdr, req, &hdr); |
| 6319 | encode_sequence(xdr, &args->seq_args, &hdr); |
| 6320 | encode_putfh(xdr, args->fh, &hdr); |
| 6321 | encode_setacl(xdr, args, &hdr); |
Andy Adamson | d017931 | 2008-12-23 16:06:17 -0500 | [diff] [blame] | 6322 | encode_nops(&hdr); |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 6323 | } |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6324 | |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 6325 | /* |
| 6326 | * Decode SETACL response |
| 6327 | */ |
| 6328 | static int |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6329 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
Benny Halevy | 73c403a | 2009-04-01 09:22:01 -0400 | [diff] [blame] | 6330 | struct nfs_setaclres *res) |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 6331 | { |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 6332 | struct compound_hdr hdr; |
| 6333 | int status; |
| 6334 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6335 | status = decode_compound_hdr(xdr, &hdr); |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 6336 | if (status) |
| 6337 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6338 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6339 | if (status) |
| 6340 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6341 | status = decode_putfh(xdr); |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 6342 | if (status) |
| 6343 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6344 | status = decode_setattr(xdr); |
J. Bruce Fields | 23ec696 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 6345 | out: |
| 6346 | return status; |
| 6347 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6348 | |
| 6349 | /* |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 6350 | * Decode GETACL response |
| 6351 | */ |
| 6352 | static int |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6353 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
Benny Halevy | 663c79b | 2009-04-01 09:21:59 -0400 | [diff] [blame] | 6354 | struct nfs_getaclres *res) |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 6355 | { |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 6356 | struct compound_hdr hdr; |
| 6357 | int status; |
| 6358 | |
Trond Myklebust | 331818f | 2012-02-03 18:30:53 -0500 | [diff] [blame] | 6359 | if (res->acl_scratch != NULL) { |
| 6360 | void *p = page_address(res->acl_scratch); |
| 6361 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); |
| 6362 | } |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6363 | status = decode_compound_hdr(xdr, &hdr); |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 6364 | if (status) |
| 6365 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6366 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6367 | if (status) |
| 6368 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6369 | status = decode_putfh(xdr); |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 6370 | if (status) |
| 6371 | goto out; |
Andy Adamson | bf118a3 | 2011-12-07 11:55:27 -0500 | [diff] [blame] | 6372 | status = decode_getacl(xdr, rqstp, res); |
J. Bruce Fields | 029d105 | 2005-06-22 17:16:22 +0000 | [diff] [blame] | 6373 | |
| 6374 | out: |
| 6375 | return status; |
| 6376 | } |
| 6377 | |
| 6378 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6379 | * Decode CLOSE response |
| 6380 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6381 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
| 6382 | struct nfs_closeres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6383 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6384 | struct compound_hdr hdr; |
| 6385 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6386 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6387 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6388 | if (status) |
| 6389 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6390 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6391 | if (status) |
| 6392 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6393 | status = decode_putfh(xdr); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6394 | if (status) |
| 6395 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6396 | status = decode_close(xdr, res); |
Trond Myklebust | 516a6af | 2005-10-27 22:12:41 -0400 | [diff] [blame] | 6397 | if (status != 0) |
| 6398 | goto out; |
| 6399 | /* |
| 6400 | * Note: Server may do delete on close for this file |
| 6401 | * in which case the getattr call will fail with |
| 6402 | * an ESTALE error. Shouldn't be a problem, |
| 6403 | * though, since fattr->valid will remain unset. |
| 6404 | */ |
Trond Myklebust | 6926afd | 2012-01-07 13:22:46 -0500 | [diff] [blame] | 6405 | decode_getfattr(xdr, res->fattr, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6406 | out: |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6407 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6408 | } |
| 6409 | |
| 6410 | /* |
| 6411 | * Decode OPEN response |
| 6412 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6413 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
| 6414 | struct nfs_openres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6415 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6416 | struct compound_hdr hdr; |
| 6417 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6418 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6419 | status = decode_compound_hdr(xdr, &hdr); |
Trond Myklebust | 56ae19f | 2005-10-27 22:12:40 -0400 | [diff] [blame] | 6420 | if (status) |
| 6421 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6422 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6423 | if (status) |
| 6424 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6425 | status = decode_putfh(xdr); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6426 | if (status) |
| 6427 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6428 | status = decode_open(xdr, res); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6429 | if (status) |
| 6430 | goto out; |
Weston Andros Adamson | 01913b4 | 2012-09-06 15:54:27 -0400 | [diff] [blame] | 6431 | status = decode_getfh(xdr, &res->fh); |
| 6432 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6433 | goto out; |
Weston Andros Adamson | ae2bb03 | 2012-10-02 14:49:52 -0700 | [diff] [blame] | 6434 | if (res->access_request) |
| 6435 | decode_access(xdr, &res->access_supported, &res->access_result); |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 6436 | decode_getfattr_label(xdr, res->f_attr, res->f_label, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6437 | out: |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6438 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6439 | } |
| 6440 | |
| 6441 | /* |
| 6442 | * Decode OPEN_CONFIRM response |
| 6443 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6444 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
| 6445 | struct xdr_stream *xdr, |
| 6446 | struct nfs_open_confirmres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6447 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6448 | struct compound_hdr hdr; |
| 6449 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6450 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6451 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6452 | if (status) |
| 6453 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6454 | status = decode_putfh(xdr); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6455 | if (status) |
| 6456 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6457 | status = decode_open_confirm(xdr, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6458 | out: |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6459 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6460 | } |
| 6461 | |
| 6462 | /* |
| 6463 | * Decode OPEN response |
| 6464 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6465 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
| 6466 | struct xdr_stream *xdr, |
| 6467 | struct nfs_openres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6468 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6469 | struct compound_hdr hdr; |
| 6470 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6471 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6472 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6473 | if (status) |
| 6474 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6475 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6476 | if (status) |
| 6477 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6478 | status = decode_putfh(xdr); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6479 | if (status) |
| 6480 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6481 | status = decode_open(xdr, res); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6482 | if (status) |
| 6483 | goto out; |
Weston Andros Adamson | ae2bb03 | 2012-10-02 14:49:52 -0700 | [diff] [blame] | 6484 | if (res->access_request) |
| 6485 | decode_access(xdr, &res->access_supported, &res->access_result); |
Trond Myklebust | 6926afd | 2012-01-07 13:22:46 -0500 | [diff] [blame] | 6486 | decode_getfattr(xdr, res->f_attr, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6487 | out: |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6488 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6489 | } |
| 6490 | |
| 6491 | /* |
| 6492 | * Decode SETATTR response |
| 6493 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6494 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
| 6495 | struct xdr_stream *xdr, |
| 6496 | struct nfs_setattrres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6497 | { |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6498 | struct compound_hdr hdr; |
| 6499 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6500 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6501 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6502 | if (status) |
| 6503 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6504 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6505 | if (status) |
| 6506 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6507 | status = decode_putfh(xdr); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6508 | if (status) |
| 6509 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6510 | status = decode_setattr(xdr); |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6511 | if (status) |
| 6512 | goto out; |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 6513 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6514 | out: |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 6515 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6516 | } |
| 6517 | |
| 6518 | /* |
| 6519 | * Decode LOCK response |
| 6520 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6521 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
| 6522 | struct nfs_lock_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6523 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6524 | struct compound_hdr hdr; |
| 6525 | int status; |
| 6526 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6527 | status = decode_compound_hdr(xdr, &hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6528 | if (status) |
| 6529 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6530 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6531 | if (status) |
| 6532 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6533 | status = decode_putfh(xdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6534 | if (status) |
| 6535 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6536 | status = decode_lock(xdr, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6537 | out: |
| 6538 | return status; |
| 6539 | } |
| 6540 | |
| 6541 | /* |
| 6542 | * Decode LOCKT response |
| 6543 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6544 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
| 6545 | struct nfs_lockt_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6546 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6547 | struct compound_hdr hdr; |
| 6548 | int status; |
| 6549 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6550 | status = decode_compound_hdr(xdr, &hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6551 | if (status) |
| 6552 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6553 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6554 | if (status) |
| 6555 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6556 | status = decode_putfh(xdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6557 | if (status) |
| 6558 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6559 | status = decode_lockt(xdr, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6560 | out: |
| 6561 | return status; |
| 6562 | } |
| 6563 | |
| 6564 | /* |
| 6565 | * Decode LOCKU response |
| 6566 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6567 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
| 6568 | struct nfs_locku_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6569 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6570 | struct compound_hdr hdr; |
| 6571 | int status; |
| 6572 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6573 | status = decode_compound_hdr(xdr, &hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6574 | if (status) |
| 6575 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6576 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6577 | if (status) |
| 6578 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6579 | status = decode_putfh(xdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6580 | if (status) |
| 6581 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6582 | status = decode_locku(xdr, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6583 | out: |
| 6584 | return status; |
| 6585 | } |
| 6586 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6587 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
| 6588 | struct xdr_stream *xdr, void *dummy) |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 6589 | { |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 6590 | struct compound_hdr hdr; |
| 6591 | int status; |
| 6592 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6593 | status = decode_compound_hdr(xdr, &hdr); |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 6594 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6595 | status = decode_release_lockowner(xdr); |
Trond Myklebust | d3c7b7c | 2010-07-01 12:49:01 -0400 | [diff] [blame] | 6596 | return status; |
| 6597 | } |
| 6598 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6599 | /* |
| 6600 | * Decode READLINK response |
| 6601 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6602 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
| 6603 | struct xdr_stream *xdr, |
Benny Halevy | f50c700 | 2009-04-01 09:21:55 -0400 | [diff] [blame] | 6604 | struct nfs4_readlink_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6605 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6606 | struct compound_hdr hdr; |
| 6607 | int status; |
| 6608 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6609 | status = decode_compound_hdr(xdr, &hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6610 | if (status) |
| 6611 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6612 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6613 | if (status) |
| 6614 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6615 | status = decode_putfh(xdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6616 | if (status) |
| 6617 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6618 | status = decode_readlink(xdr, rqstp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6619 | out: |
| 6620 | return status; |
| 6621 | } |
| 6622 | |
| 6623 | /* |
| 6624 | * Decode READDIR response |
| 6625 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6626 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
| 6627 | struct nfs4_readdir_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6628 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6629 | struct compound_hdr hdr; |
| 6630 | int status; |
| 6631 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6632 | status = decode_compound_hdr(xdr, &hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6633 | if (status) |
| 6634 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6635 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6636 | if (status) |
| 6637 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6638 | status = decode_putfh(xdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6639 | if (status) |
| 6640 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6641 | status = decode_readdir(xdr, rqstp, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6642 | out: |
| 6643 | return status; |
| 6644 | } |
| 6645 | |
| 6646 | /* |
| 6647 | * Decode Read response |
| 6648 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6649 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
Anna Schumaker | 9137bdf | 2014-05-06 09:12:25 -0400 | [diff] [blame] | 6650 | struct nfs_pgio_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6651 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6652 | struct compound_hdr hdr; |
| 6653 | int status; |
| 6654 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6655 | status = decode_compound_hdr(xdr, &hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6656 | if (status) |
| 6657 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6658 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6659 | if (status) |
| 6660 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6661 | status = decode_putfh(xdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6662 | if (status) |
| 6663 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6664 | status = decode_read(xdr, rqstp, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6665 | if (!status) |
| 6666 | status = res->count; |
| 6667 | out: |
| 6668 | return status; |
| 6669 | } |
| 6670 | |
| 6671 | /* |
| 6672 | * Decode WRITE response |
| 6673 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6674 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
Anna Schumaker | 9137bdf | 2014-05-06 09:12:25 -0400 | [diff] [blame] | 6675 | struct nfs_pgio_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6676 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6677 | struct compound_hdr hdr; |
| 6678 | int status; |
| 6679 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6680 | status = decode_compound_hdr(xdr, &hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6681 | if (status) |
| 6682 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6683 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6684 | if (status) |
| 6685 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6686 | status = decode_putfh(xdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6687 | if (status) |
| 6688 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6689 | status = decode_write(xdr, res); |
Trond Myklebust | 4f9838c | 2005-10-27 22:12:44 -0400 | [diff] [blame] | 6690 | if (status) |
| 6691 | goto out; |
Fred Isaman | 7ffd106 | 2011-03-03 15:13:46 +0000 | [diff] [blame] | 6692 | if (res->fattr) |
Trond Myklebust | 6926afd | 2012-01-07 13:22:46 -0500 | [diff] [blame] | 6693 | decode_getfattr(xdr, res->fattr, res->server); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6694 | if (!status) |
| 6695 | status = res->count; |
| 6696 | out: |
| 6697 | return status; |
| 6698 | } |
| 6699 | |
| 6700 | /* |
| 6701 | * Decode COMMIT response |
| 6702 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6703 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
Fred Isaman | 0b7c015 | 2012-04-20 14:47:39 -0400 | [diff] [blame] | 6704 | struct nfs_commitres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6705 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6706 | struct compound_hdr hdr; |
| 6707 | int status; |
| 6708 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6709 | status = decode_compound_hdr(xdr, &hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6710 | if (status) |
| 6711 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6712 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6713 | if (status) |
| 6714 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6715 | status = decode_putfh(xdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6716 | if (status) |
| 6717 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6718 | status = decode_commit(xdr, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6719 | out: |
| 6720 | return status; |
| 6721 | } |
| 6722 | |
| 6723 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 6724 | * Decode FSINFO response |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6725 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6726 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
Benny Halevy | 3dda5e4 | 2009-04-01 09:21:57 -0400 | [diff] [blame] | 6727 | struct nfs4_fsinfo_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6728 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6729 | struct compound_hdr hdr; |
| 6730 | int status; |
| 6731 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6732 | status = decode_compound_hdr(xdr, &hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6733 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6734 | status = decode_sequence(xdr, &res->seq_res, req); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6735 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6736 | status = decode_putfh(xdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6737 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6738 | status = decode_fsinfo(xdr, res->fsinfo); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6739 | return status; |
| 6740 | } |
| 6741 | |
| 6742 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 6743 | * Decode PATHCONF response |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6744 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6745 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
Benny Halevy | d45b298 | 2009-04-01 09:21:58 -0400 | [diff] [blame] | 6746 | struct nfs4_pathconf_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6747 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6748 | struct compound_hdr hdr; |
| 6749 | int status; |
| 6750 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6751 | status = decode_compound_hdr(xdr, &hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6752 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6753 | status = decode_sequence(xdr, &res->seq_res, req); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6754 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6755 | status = decode_putfh(xdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6756 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6757 | status = decode_pathconf(xdr, res->pathconf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6758 | return status; |
| 6759 | } |
| 6760 | |
| 6761 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 6762 | * Decode STATFS response |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6763 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6764 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
Benny Halevy | 24ad148 | 2009-04-01 09:21:56 -0400 | [diff] [blame] | 6765 | struct nfs4_statfs_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6766 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6767 | struct compound_hdr hdr; |
| 6768 | int status; |
| 6769 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6770 | status = decode_compound_hdr(xdr, &hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6771 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6772 | status = decode_sequence(xdr, &res->seq_res, req); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6773 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6774 | status = decode_putfh(xdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6775 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6776 | status = decode_statfs(xdr, res->fsstat); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6777 | return status; |
| 6778 | } |
| 6779 | |
| 6780 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 6781 | * Decode GETATTR_BITMAP response |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6782 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6783 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
| 6784 | struct xdr_stream *xdr, |
| 6785 | struct nfs4_server_caps_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6786 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6787 | struct compound_hdr hdr; |
| 6788 | int status; |
| 6789 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6790 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6791 | if (status) |
| 6792 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6793 | status = decode_sequence(xdr, &res->seq_res, req); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6794 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6795 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6796 | status = decode_putfh(xdr); |
| 6797 | if (status) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6798 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6799 | status = decode_server_caps(xdr, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6800 | out: |
| 6801 | return status; |
| 6802 | } |
| 6803 | |
| 6804 | /* |
| 6805 | * Decode RENEW response |
| 6806 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6807 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
| 6808 | void *__unused) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6809 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6810 | struct compound_hdr hdr; |
| 6811 | int status; |
| 6812 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6813 | status = decode_compound_hdr(xdr, &hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6814 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6815 | status = decode_renew(xdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6816 | return status; |
| 6817 | } |
| 6818 | |
| 6819 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 6820 | * Decode SETCLIENTID response |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6821 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6822 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
| 6823 | struct xdr_stream *xdr, |
| 6824 | struct nfs4_setclientid_res *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6825 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6826 | struct compound_hdr hdr; |
| 6827 | int status; |
| 6828 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6829 | status = decode_compound_hdr(xdr, &hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6830 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6831 | status = decode_setclientid(xdr, res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6832 | return status; |
| 6833 | } |
| 6834 | |
| 6835 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 6836 | * Decode SETCLIENTID_CONFIRM response |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6837 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6838 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
Chuck Lever | 83ca7f5 | 2013-03-16 15:55:53 -0400 | [diff] [blame] | 6839 | struct xdr_stream *xdr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6840 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6841 | struct compound_hdr hdr; |
| 6842 | int status; |
| 6843 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6844 | status = decode_compound_hdr(xdr, &hdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6845 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6846 | status = decode_setclientid_confirm(xdr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6847 | return status; |
| 6848 | } |
| 6849 | |
| 6850 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 6851 | * Decode DELEGRETURN response |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6852 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6853 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
| 6854 | struct xdr_stream *xdr, |
| 6855 | struct nfs4_delegreturnres *res) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6856 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6857 | struct compound_hdr hdr; |
| 6858 | int status; |
| 6859 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6860 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6861 | if (status) |
| 6862 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6863 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6864 | if (status) |
Trond Myklebust | fa178f2 | 2006-01-03 09:55:38 +0100 | [diff] [blame] | 6865 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6866 | status = decode_putfh(xdr); |
Trond Myklebust | fa178f2 | 2006-01-03 09:55:38 +0100 | [diff] [blame] | 6867 | if (status != 0) |
| 6868 | goto out; |
Trond Myklebust | e144cbc | 2012-04-28 16:05:03 -0400 | [diff] [blame] | 6869 | status = decode_getfattr(xdr, res->fattr, res->server); |
Jeff Layton | 556ae3b | 2010-03-21 12:10:36 -0400 | [diff] [blame] | 6870 | if (status != 0) |
| 6871 | goto out; |
Trond Myklebust | e144cbc | 2012-04-28 16:05:03 -0400 | [diff] [blame] | 6872 | status = decode_delegreturn(xdr); |
Trond Myklebust | fa178f2 | 2006-01-03 09:55:38 +0100 | [diff] [blame] | 6873 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6874 | return status; |
| 6875 | } |
| 6876 | |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 6877 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 6878 | * Decode FS_LOCATIONS response |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 6879 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6880 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
| 6881 | struct xdr_stream *xdr, |
Benny Halevy | 2295846 | 2009-04-01 09:22:02 -0400 | [diff] [blame] | 6882 | struct nfs4_fs_locations_res *res) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 6883 | { |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 6884 | struct compound_hdr hdr; |
| 6885 | int status; |
| 6886 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6887 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6888 | if (status) |
| 6889 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6890 | status = decode_sequence(xdr, &res->seq_res, req); |
Andy Adamson | 9b7b9fc | 2009-04-01 09:22:11 -0400 | [diff] [blame] | 6891 | if (status) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 6892 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6893 | status = decode_putfh(xdr); |
| 6894 | if (status) |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 6895 | goto out; |
Chuck Lever | b03d735 | 2013-10-17 14:12:50 -0400 | [diff] [blame] | 6896 | if (res->migration) { |
| 6897 | xdr_enter_page(xdr, PAGE_SIZE); |
| 6898 | status = decode_getfattr_generic(xdr, |
| 6899 | &res->fs_locations->fattr, |
Trond Myklebust | 8b7e3f4 | 2012-01-30 15:43:56 -0500 | [diff] [blame] | 6900 | NULL, res->fs_locations, |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 6901 | NULL, res->fs_locations->server); |
Chuck Lever | b03d735 | 2013-10-17 14:12:50 -0400 | [diff] [blame] | 6902 | if (status) |
| 6903 | goto out; |
| 6904 | if (res->renew) |
| 6905 | status = decode_renew(xdr); |
| 6906 | } else { |
| 6907 | status = decode_lookup(xdr); |
| 6908 | if (status) |
| 6909 | goto out; |
| 6910 | xdr_enter_page(xdr, PAGE_SIZE); |
| 6911 | status = decode_getfattr_generic(xdr, |
| 6912 | &res->fs_locations->fattr, |
| 6913 | NULL, res->fs_locations, |
| 6914 | NULL, res->fs_locations->server); |
| 6915 | } |
Trond Myklebust | 683b57b | 2006-06-09 09:34:22 -0400 | [diff] [blame] | 6916 | out: |
| 6917 | return status; |
| 6918 | } |
| 6919 | |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 6920 | /* |
| 6921 | * Decode SECINFO response |
| 6922 | */ |
| 6923 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, |
| 6924 | struct xdr_stream *xdr, |
| 6925 | struct nfs4_secinfo_res *res) |
| 6926 | { |
| 6927 | struct compound_hdr hdr; |
| 6928 | int status; |
| 6929 | |
| 6930 | status = decode_compound_hdr(xdr, &hdr); |
| 6931 | if (status) |
| 6932 | goto out; |
| 6933 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
| 6934 | if (status) |
| 6935 | goto out; |
| 6936 | status = decode_putfh(xdr); |
| 6937 | if (status) |
| 6938 | goto out; |
| 6939 | status = decode_secinfo(xdr, res); |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 6940 | out: |
| 6941 | return status; |
| 6942 | } |
| 6943 | |
Chuck Lever | 44c9993 | 2013-10-17 14:13:30 -0400 | [diff] [blame] | 6944 | /* |
| 6945 | * Decode FSID_PRESENT response |
| 6946 | */ |
| 6947 | static int nfs4_xdr_dec_fsid_present(struct rpc_rqst *rqstp, |
| 6948 | struct xdr_stream *xdr, |
| 6949 | struct nfs4_fsid_present_res *res) |
| 6950 | { |
| 6951 | struct compound_hdr hdr; |
| 6952 | int status; |
| 6953 | |
| 6954 | status = decode_compound_hdr(xdr, &hdr); |
| 6955 | if (status) |
| 6956 | goto out; |
| 6957 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
| 6958 | if (status) |
| 6959 | goto out; |
| 6960 | status = decode_putfh(xdr); |
| 6961 | if (status) |
| 6962 | goto out; |
| 6963 | status = decode_getfh(xdr, res->fh); |
| 6964 | if (status) |
| 6965 | goto out; |
| 6966 | if (res->renew) |
| 6967 | status = decode_renew(xdr); |
| 6968 | out: |
| 6969 | return status; |
| 6970 | } |
| 6971 | |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 6972 | #if defined(CONFIG_NFS_V4_1) |
| 6973 | /* |
Weston Andros Adamson | 7c44f1ae | 2012-05-24 13:22:50 -0400 | [diff] [blame] | 6974 | * Decode BIND_CONN_TO_SESSION response |
| 6975 | */ |
| 6976 | static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst *rqstp, |
| 6977 | struct xdr_stream *xdr, |
| 6978 | void *res) |
| 6979 | { |
| 6980 | struct compound_hdr hdr; |
| 6981 | int status; |
| 6982 | |
| 6983 | status = decode_compound_hdr(xdr, &hdr); |
| 6984 | if (!status) |
| 6985 | status = decode_bind_conn_to_session(xdr, res); |
| 6986 | return status; |
| 6987 | } |
| 6988 | |
| 6989 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 6990 | * Decode EXCHANGE_ID response |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 6991 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6992 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
| 6993 | struct xdr_stream *xdr, |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 6994 | void *res) |
| 6995 | { |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 6996 | struct compound_hdr hdr; |
| 6997 | int status; |
| 6998 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 6999 | status = decode_compound_hdr(xdr, &hdr); |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 7000 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7001 | status = decode_exchange_id(xdr, res); |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 7002 | return status; |
| 7003 | } |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 7004 | |
| 7005 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 7006 | * Decode CREATE_SESSION response |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 7007 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7008 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
| 7009 | struct xdr_stream *xdr, |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 7010 | struct nfs41_create_session_res *res) |
| 7011 | { |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 7012 | struct compound_hdr hdr; |
| 7013 | int status; |
| 7014 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7015 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 7016 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7017 | status = decode_create_session(xdr, res); |
Andy Adamson | fc93158 | 2009-04-01 09:22:31 -0400 | [diff] [blame] | 7018 | return status; |
| 7019 | } |
| 7020 | |
| 7021 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 7022 | * Decode DESTROY_SESSION response |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 7023 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7024 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
| 7025 | struct xdr_stream *xdr, |
| 7026 | void *res) |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 7027 | { |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 7028 | struct compound_hdr hdr; |
| 7029 | int status; |
| 7030 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7031 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 7032 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7033 | status = decode_destroy_session(xdr, res); |
Andy Adamson | 0f3e66c | 2009-04-01 09:22:34 -0400 | [diff] [blame] | 7034 | return status; |
| 7035 | } |
| 7036 | |
| 7037 | /* |
Trond Myklebust | 6624553 | 2012-05-25 17:18:09 -0400 | [diff] [blame] | 7038 | * Decode DESTROY_CLIENTID response |
| 7039 | */ |
| 7040 | static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst *rqstp, |
| 7041 | struct xdr_stream *xdr, |
| 7042 | void *res) |
| 7043 | { |
| 7044 | struct compound_hdr hdr; |
| 7045 | int status; |
| 7046 | |
| 7047 | status = decode_compound_hdr(xdr, &hdr); |
| 7048 | if (!status) |
| 7049 | status = decode_destroy_clientid(xdr, res); |
| 7050 | return status; |
| 7051 | } |
| 7052 | |
| 7053 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 7054 | * Decode SEQUENCE response |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 7055 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7056 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
| 7057 | struct xdr_stream *xdr, |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 7058 | struct nfs4_sequence_res *res) |
| 7059 | { |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 7060 | struct compound_hdr hdr; |
| 7061 | int status; |
| 7062 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7063 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 7064 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7065 | status = decode_sequence(xdr, res, rqstp); |
Andy Adamson | fc01cea | 2009-04-01 09:22:36 -0400 | [diff] [blame] | 7066 | return status; |
| 7067 | } |
| 7068 | |
| 7069 | /* |
Ricardo Labiaga | 8b17321 | 2009-12-05 16:08:39 -0500 | [diff] [blame] | 7070 | * Decode GET_LEASE_TIME response |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 7071 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7072 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
| 7073 | struct xdr_stream *xdr, |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 7074 | struct nfs4_get_lease_time_res *res) |
| 7075 | { |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 7076 | struct compound_hdr hdr; |
| 7077 | int status; |
| 7078 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7079 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 7080 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7081 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 7082 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7083 | status = decode_putrootfh(xdr); |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 7084 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7085 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
Andy Adamson | 2050f0c | 2009-04-01 09:22:30 -0400 | [diff] [blame] | 7086 | return status; |
| 7087 | } |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 7088 | |
| 7089 | /* |
| 7090 | * Decode RECLAIM_COMPLETE response |
| 7091 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7092 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
| 7093 | struct xdr_stream *xdr, |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 7094 | struct nfs41_reclaim_complete_res *res) |
| 7095 | { |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 7096 | struct compound_hdr hdr; |
| 7097 | int status; |
| 7098 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7099 | status = decode_compound_hdr(xdr, &hdr); |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 7100 | if (!status) |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7101 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 7102 | if (!status) |
Himangi Saraogi | 8ee2b78 | 2014-06-27 00:09:09 +0530 | [diff] [blame] | 7103 | status = decode_reclaim_complete(xdr, NULL); |
Ricardo Labiaga | 18019753 | 2009-12-05 16:08:40 -0500 | [diff] [blame] | 7104 | return status; |
| 7105 | } |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 7106 | |
| 7107 | /* |
Andy Adamson | 7f11d8d | 2011-07-30 20:52:35 -0400 | [diff] [blame] | 7108 | * Decode GETDEVICELIST response |
| 7109 | */ |
| 7110 | static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst *rqstp, |
| 7111 | struct xdr_stream *xdr, |
| 7112 | struct nfs4_getdevicelist_res *res) |
| 7113 | { |
| 7114 | struct compound_hdr hdr; |
| 7115 | int status; |
| 7116 | |
| 7117 | dprintk("encoding getdevicelist!\n"); |
| 7118 | |
| 7119 | status = decode_compound_hdr(xdr, &hdr); |
| 7120 | if (status != 0) |
| 7121 | goto out; |
| 7122 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
| 7123 | if (status != 0) |
| 7124 | goto out; |
| 7125 | status = decode_putfh(xdr); |
| 7126 | if (status != 0) |
| 7127 | goto out; |
| 7128 | status = decode_getdevicelist(xdr, res->devlist); |
| 7129 | out: |
| 7130 | return status; |
| 7131 | } |
| 7132 | |
| 7133 | /* |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 7134 | * Decode GETDEVINFO response |
| 7135 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7136 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
| 7137 | struct xdr_stream *xdr, |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 7138 | struct nfs4_getdeviceinfo_res *res) |
| 7139 | { |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 7140 | struct compound_hdr hdr; |
| 7141 | int status; |
| 7142 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7143 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 7144 | if (status != 0) |
| 7145 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7146 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 7147 | if (status != 0) |
| 7148 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7149 | status = decode_getdeviceinfo(xdr, res->pdev); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 7150 | out: |
| 7151 | return status; |
| 7152 | } |
| 7153 | |
| 7154 | /* |
| 7155 | * Decode LAYOUTGET response |
| 7156 | */ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7157 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
| 7158 | struct xdr_stream *xdr, |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 7159 | struct nfs4_layoutget_res *res) |
| 7160 | { |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 7161 | struct compound_hdr hdr; |
| 7162 | int status; |
| 7163 | |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7164 | status = decode_compound_hdr(xdr, &hdr); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 7165 | if (status) |
| 7166 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7167 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 7168 | if (status) |
| 7169 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7170 | status = decode_putfh(xdr); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 7171 | if (status) |
| 7172 | goto out; |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7173 | status = decode_layoutget(xdr, rqstp, res); |
Andy Adamson | b1f69b7 | 2010-10-20 00:18:03 -0400 | [diff] [blame] | 7174 | out: |
| 7175 | return status; |
| 7176 | } |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 7177 | |
| 7178 | /* |
Benny Halevy | cbe8260 | 2011-05-22 19:52:37 +0300 | [diff] [blame] | 7179 | * Decode LAYOUTRETURN response |
| 7180 | */ |
| 7181 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, |
| 7182 | struct xdr_stream *xdr, |
| 7183 | struct nfs4_layoutreturn_res *res) |
| 7184 | { |
| 7185 | struct compound_hdr hdr; |
| 7186 | int status; |
| 7187 | |
| 7188 | status = decode_compound_hdr(xdr, &hdr); |
| 7189 | if (status) |
| 7190 | goto out; |
| 7191 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
| 7192 | if (status) |
| 7193 | goto out; |
| 7194 | status = decode_putfh(xdr); |
| 7195 | if (status) |
| 7196 | goto out; |
| 7197 | status = decode_layoutreturn(xdr, res); |
| 7198 | out: |
| 7199 | return status; |
| 7200 | } |
| 7201 | |
| 7202 | /* |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 7203 | * Decode LAYOUTCOMMIT response |
| 7204 | */ |
| 7205 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, |
| 7206 | struct xdr_stream *xdr, |
| 7207 | struct nfs4_layoutcommit_res *res) |
| 7208 | { |
| 7209 | struct compound_hdr hdr; |
| 7210 | int status; |
| 7211 | |
| 7212 | status = decode_compound_hdr(xdr, &hdr); |
| 7213 | if (status) |
| 7214 | goto out; |
| 7215 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
| 7216 | if (status) |
| 7217 | goto out; |
| 7218 | status = decode_putfh(xdr); |
| 7219 | if (status) |
| 7220 | goto out; |
| 7221 | status = decode_layoutcommit(xdr, rqstp, res); |
| 7222 | if (status) |
| 7223 | goto out; |
Trond Myklebust | 6926afd | 2012-01-07 13:22:46 -0500 | [diff] [blame] | 7224 | decode_getfattr(xdr, res->fattr, res->server); |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 7225 | out: |
| 7226 | return status; |
| 7227 | } |
Bryan Schumaker | fca78d6 | 2011-06-02 14:59:07 -0400 | [diff] [blame] | 7228 | |
| 7229 | /* |
| 7230 | * Decode SECINFO_NO_NAME response |
| 7231 | */ |
| 7232 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, |
| 7233 | struct xdr_stream *xdr, |
| 7234 | struct nfs4_secinfo_res *res) |
| 7235 | { |
| 7236 | struct compound_hdr hdr; |
| 7237 | int status; |
| 7238 | |
| 7239 | status = decode_compound_hdr(xdr, &hdr); |
| 7240 | if (status) |
| 7241 | goto out; |
| 7242 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
| 7243 | if (status) |
| 7244 | goto out; |
| 7245 | status = decode_putrootfh(xdr); |
| 7246 | if (status) |
| 7247 | goto out; |
Bryan Schumaker | 31e4dda | 2012-04-27 13:27:38 -0400 | [diff] [blame] | 7248 | status = decode_secinfo_no_name(xdr, res); |
Bryan Schumaker | fca78d6 | 2011-06-02 14:59:07 -0400 | [diff] [blame] | 7249 | out: |
| 7250 | return status; |
| 7251 | } |
Bryan Schumaker | 7d97479 | 2011-06-02 14:59:08 -0400 | [diff] [blame] | 7252 | |
| 7253 | /* |
| 7254 | * Decode TEST_STATEID response |
| 7255 | */ |
| 7256 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, |
| 7257 | struct xdr_stream *xdr, |
| 7258 | struct nfs41_test_stateid_res *res) |
| 7259 | { |
| 7260 | struct compound_hdr hdr; |
| 7261 | int status; |
| 7262 | |
| 7263 | status = decode_compound_hdr(xdr, &hdr); |
| 7264 | if (status) |
| 7265 | goto out; |
| 7266 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
| 7267 | if (status) |
| 7268 | goto out; |
| 7269 | status = decode_test_stateid(xdr, res); |
| 7270 | out: |
| 7271 | return status; |
| 7272 | } |
Bryan Schumaker | 9aeda35 | 2011-06-02 14:59:09 -0400 | [diff] [blame] | 7273 | |
| 7274 | /* |
| 7275 | * Decode FREE_STATEID response |
| 7276 | */ |
| 7277 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, |
| 7278 | struct xdr_stream *xdr, |
| 7279 | struct nfs41_free_stateid_res *res) |
| 7280 | { |
| 7281 | struct compound_hdr hdr; |
| 7282 | int status; |
| 7283 | |
| 7284 | status = decode_compound_hdr(xdr, &hdr); |
| 7285 | if (status) |
| 7286 | goto out; |
| 7287 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
| 7288 | if (status) |
| 7289 | goto out; |
| 7290 | status = decode_free_stateid(xdr, res); |
| 7291 | out: |
| 7292 | return status; |
| 7293 | } |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 7294 | #endif /* CONFIG_NFS_V4_1 */ |
| 7295 | |
Chuck Lever | 573c4e1 | 2010-12-14 14:58:11 +0000 | [diff] [blame] | 7296 | /** |
| 7297 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in |
| 7298 | * the local page cache. |
| 7299 | * @xdr: XDR stream where entry resides |
| 7300 | * @entry: buffer to fill in with entry data |
| 7301 | * @plus: boolean indicating whether this should be a readdirplus entry |
| 7302 | * |
| 7303 | * Returns zero if successful, otherwise a negative errno value is |
| 7304 | * returned. |
| 7305 | * |
| 7306 | * This function is not invoked during READDIR reply decoding, but |
| 7307 | * rather whenever an application invokes the getdents(2) system call |
| 7308 | * on a directory already in our cache. |
| 7309 | */ |
| 7310 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, |
| 7311 | int plus) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7312 | { |
Trond Myklebust | 256e48b | 2012-06-21 11:18:13 -0400 | [diff] [blame] | 7313 | unsigned int savep; |
Fred Isaman | dae100c | 2011-07-30 20:52:37 -0400 | [diff] [blame] | 7314 | uint32_t bitmap[3] = {0}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7315 | uint32_t len; |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 7316 | __be32 *p = xdr_inline_decode(xdr, 4); |
| 7317 | if (unlikely(!p)) |
| 7318 | goto out_overflow; |
Chuck Lever | c08e76d | 2011-01-28 12:40:55 -0500 | [diff] [blame] | 7319 | if (*p == xdr_zero) { |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 7320 | p = xdr_inline_decode(xdr, 4); |
| 7321 | if (unlikely(!p)) |
| 7322 | goto out_overflow; |
Chuck Lever | c08e76d | 2011-01-28 12:40:55 -0500 | [diff] [blame] | 7323 | if (*p == xdr_zero) |
Chuck Lever | 573c4e1 | 2010-12-14 14:58:11 +0000 | [diff] [blame] | 7324 | return -EAGAIN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7325 | entry->eof = 1; |
Chuck Lever | 573c4e1 | 2010-12-14 14:58:11 +0000 | [diff] [blame] | 7326 | return -EBADCOOKIE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7327 | } |
| 7328 | |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 7329 | p = xdr_inline_decode(xdr, 12); |
| 7330 | if (unlikely(!p)) |
| 7331 | goto out_overflow; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7332 | entry->prev_cookie = entry->cookie; |
| 7333 | p = xdr_decode_hyper(p, &entry->cookie); |
Chuck Lever | c08e76d | 2011-01-28 12:40:55 -0500 | [diff] [blame] | 7334 | entry->len = be32_to_cpup(p); |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 7335 | |
Trond Myklebust | 9af8c22 | 2010-10-24 11:52:55 -0400 | [diff] [blame] | 7336 | p = xdr_inline_decode(xdr, entry->len); |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 7337 | if (unlikely(!p)) |
| 7338 | goto out_overflow; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7339 | entry->name = (const char *) p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7340 | |
| 7341 | /* |
| 7342 | * In case the server doesn't return an inode number, |
| 7343 | * we fake one here. (We don't use inode number 0, |
| 7344 | * since glibc seems to choke on it...) |
| 7345 | */ |
| 7346 | entry->ino = 1; |
Trond Myklebust | 4f08222 | 2010-10-24 13:14:02 -0400 | [diff] [blame] | 7347 | entry->fattr->valid = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7348 | |
Trond Myklebust | 9af8c22 | 2010-10-24 11:52:55 -0400 | [diff] [blame] | 7349 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 7350 | goto out_overflow; |
Trond Myklebust | 9af8c22 | 2010-10-24 11:52:55 -0400 | [diff] [blame] | 7351 | |
Trond Myklebust | 256e48b | 2012-06-21 11:18:13 -0400 | [diff] [blame] | 7352 | if (decode_attr_length(xdr, &len, &savep) < 0) |
Trond Myklebust | 9af8c22 | 2010-10-24 11:52:55 -0400 | [diff] [blame] | 7353 | goto out_overflow; |
| 7354 | |
Chuck Lever | 573c4e1 | 2010-12-14 14:58:11 +0000 | [diff] [blame] | 7355 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
David Quigley | aa9c266 | 2013-05-22 12:50:44 -0400 | [diff] [blame] | 7356 | NULL, entry->label, entry->server) < 0) |
Trond Myklebust | 9af8c22 | 2010-10-24 11:52:55 -0400 | [diff] [blame] | 7357 | goto out_overflow; |
Trond Myklebust | 28331a4 | 2011-04-27 13:47:52 -0400 | [diff] [blame] | 7358 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
| 7359 | entry->ino = entry->fattr->mounted_on_fileid; |
| 7360 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) |
Trond Myklebust | 9af8c22 | 2010-10-24 11:52:55 -0400 | [diff] [blame] | 7361 | entry->ino = entry->fattr->fileid; |
| 7362 | |
Trond Myklebust | 0b26a0b | 2010-11-20 14:26:44 -0500 | [diff] [blame] | 7363 | entry->d_type = DT_UNKNOWN; |
| 7364 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) |
| 7365 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); |
| 7366 | |
Chuck Lever | 573c4e1 | 2010-12-14 14:58:11 +0000 | [diff] [blame] | 7367 | return 0; |
Bryan Schumaker | babddc7 | 2010-10-20 15:44:29 -0400 | [diff] [blame] | 7368 | |
| 7369 | out_overflow: |
| 7370 | print_overflow_msg(__func__, xdr); |
Chuck Lever | 573c4e1 | 2010-12-14 14:58:11 +0000 | [diff] [blame] | 7371 | return -EAGAIN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7372 | } |
| 7373 | |
| 7374 | /* |
| 7375 | * We need to translate between nfs status return values and |
| 7376 | * the local errno values which may not be the same. |
| 7377 | */ |
| 7378 | static struct { |
| 7379 | int stat; |
| 7380 | int errno; |
| 7381 | } nfs_errtbl[] = { |
| 7382 | { NFS4_OK, 0 }, |
Benny Halevy | 856dff3 | 2008-03-31 17:39:06 +0300 | [diff] [blame] | 7383 | { NFS4ERR_PERM, -EPERM }, |
| 7384 | { NFS4ERR_NOENT, -ENOENT }, |
| 7385 | { NFS4ERR_IO, -errno_NFSERR_IO}, |
| 7386 | { NFS4ERR_NXIO, -ENXIO }, |
| 7387 | { NFS4ERR_ACCESS, -EACCES }, |
| 7388 | { NFS4ERR_EXIST, -EEXIST }, |
| 7389 | { NFS4ERR_XDEV, -EXDEV }, |
| 7390 | { NFS4ERR_NOTDIR, -ENOTDIR }, |
| 7391 | { NFS4ERR_ISDIR, -EISDIR }, |
| 7392 | { NFS4ERR_INVAL, -EINVAL }, |
| 7393 | { NFS4ERR_FBIG, -EFBIG }, |
| 7394 | { NFS4ERR_NOSPC, -ENOSPC }, |
| 7395 | { NFS4ERR_ROFS, -EROFS }, |
| 7396 | { NFS4ERR_MLINK, -EMLINK }, |
| 7397 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, |
| 7398 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, |
| 7399 | { NFS4ERR_DQUOT, -EDQUOT }, |
| 7400 | { NFS4ERR_STALE, -ESTALE }, |
| 7401 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, |
Benny Halevy | 856dff3 | 2008-03-31 17:39:06 +0300 | [diff] [blame] | 7402 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
| 7403 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, |
| 7404 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, |
Trond Myklebust | fdcb457 | 2010-02-08 09:32:40 -0500 | [diff] [blame] | 7405 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
Benny Halevy | 856dff3 | 2008-03-31 17:39:06 +0300 | [diff] [blame] | 7406 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
| 7407 | { NFS4ERR_LOCKED, -EAGAIN }, |
Benny Halevy | 856dff3 | 2008-03-31 17:39:06 +0300 | [diff] [blame] | 7408 | { NFS4ERR_SYMLINK, -ELOOP }, |
| 7409 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, |
| 7410 | { NFS4ERR_DEADLOCK, -EDEADLK }, |
Benny Halevy | 856dff3 | 2008-03-31 17:39:06 +0300 | [diff] [blame] | 7411 | { -1, -EIO } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7412 | }; |
| 7413 | |
| 7414 | /* |
| 7415 | * Convert an NFS error code to a local one. |
| 7416 | * This one is used jointly by NFSv2 and NFSv3. |
| 7417 | */ |
| 7418 | static int |
David Howells | 0a8ea43 | 2006-08-22 20:06:08 -0400 | [diff] [blame] | 7419 | nfs4_stat_to_errno(int stat) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7420 | { |
| 7421 | int i; |
| 7422 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { |
| 7423 | if (nfs_errtbl[i].stat == stat) |
| 7424 | return nfs_errtbl[i].errno; |
| 7425 | } |
| 7426 | if (stat <= 10000 || stat > 10100) { |
| 7427 | /* The server is looney tunes. */ |
Trond Myklebust | fdcb457 | 2010-02-08 09:32:40 -0500 | [diff] [blame] | 7428 | return -EREMOTEIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7429 | } |
| 7430 | /* If we cannot translate the error, the recovery routines should |
| 7431 | * handle it. |
| 7432 | * Note: remaining NFSv4 error codes have values > 10000, so should |
| 7433 | * not conflict with native Linux error codes. |
| 7434 | */ |
Benny Halevy | 856dff3 | 2008-03-31 17:39:06 +0300 | [diff] [blame] | 7435 | return -stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7436 | } |
| 7437 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7438 | #define PROC(proc, argtype, restype) \ |
| 7439 | [NFSPROC4_CLNT_##proc] = { \ |
| 7440 | .p_proc = NFSPROC4_COMPOUND, \ |
Chuck Lever | 9f06c71 | 2010-12-14 14:59:18 +0000 | [diff] [blame] | 7441 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
Chuck Lever | bf26955 | 2010-12-14 14:59:29 +0000 | [diff] [blame] | 7442 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
Chuck Lever | 2bea90d | 2007-03-29 16:47:53 -0400 | [diff] [blame] | 7443 | .p_arglen = NFS4_##argtype##_sz, \ |
| 7444 | .p_replen = NFS4_##restype##_sz, \ |
Chuck Lever | cc0175c | 2006-03-20 13:44:22 -0500 | [diff] [blame] | 7445 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
| 7446 | .p_name = #proc, \ |
Andy Adamson | 05d564f | 2008-12-23 16:06:15 -0500 | [diff] [blame] | 7447 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7448 | |
| 7449 | struct rpc_procinfo nfs4_procedures[] = { |
Chuck Lever | 7d93bd71 | 2010-12-14 14:57:42 +0000 | [diff] [blame] | 7450 | PROC(READ, enc_read, dec_read), |
| 7451 | PROC(WRITE, enc_write, dec_write), |
| 7452 | PROC(COMMIT, enc_commit, dec_commit), |
| 7453 | PROC(OPEN, enc_open, dec_open), |
| 7454 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), |
| 7455 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), |
| 7456 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), |
| 7457 | PROC(CLOSE, enc_close, dec_close), |
| 7458 | PROC(SETATTR, enc_setattr, dec_setattr), |
| 7459 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), |
| 7460 | PROC(RENEW, enc_renew, dec_renew), |
| 7461 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), |
| 7462 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), |
| 7463 | PROC(LOCK, enc_lock, dec_lock), |
| 7464 | PROC(LOCKT, enc_lockt, dec_lockt), |
| 7465 | PROC(LOCKU, enc_locku, dec_locku), |
| 7466 | PROC(ACCESS, enc_access, dec_access), |
| 7467 | PROC(GETATTR, enc_getattr, dec_getattr), |
| 7468 | PROC(LOOKUP, enc_lookup, dec_lookup), |
| 7469 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), |
| 7470 | PROC(REMOVE, enc_remove, dec_remove), |
| 7471 | PROC(RENAME, enc_rename, dec_rename), |
| 7472 | PROC(LINK, enc_link, dec_link), |
| 7473 | PROC(SYMLINK, enc_symlink, dec_symlink), |
| 7474 | PROC(CREATE, enc_create, dec_create), |
| 7475 | PROC(PATHCONF, enc_pathconf, dec_pathconf), |
| 7476 | PROC(STATFS, enc_statfs, dec_statfs), |
| 7477 | PROC(READLINK, enc_readlink, dec_readlink), |
| 7478 | PROC(READDIR, enc_readdir, dec_readdir), |
| 7479 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), |
| 7480 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), |
| 7481 | PROC(GETACL, enc_getacl, dec_getacl), |
| 7482 | PROC(SETACL, enc_setacl, dec_setacl), |
| 7483 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), |
| 7484 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), |
Bryan Schumaker | 5a5ea0d | 2011-03-24 17:12:29 +0000 | [diff] [blame] | 7485 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
Chuck Lever | 44c9993 | 2013-10-17 14:13:30 -0400 | [diff] [blame] | 7486 | PROC(FSID_PRESENT, enc_fsid_present, dec_fsid_present), |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 7487 | #if defined(CONFIG_NFS_V4_1) |
Chuck Lever | 7d93bd71 | 2010-12-14 14:57:42 +0000 | [diff] [blame] | 7488 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
| 7489 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), |
| 7490 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), |
| 7491 | PROC(SEQUENCE, enc_sequence, dec_sequence), |
| 7492 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), |
| 7493 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), |
| 7494 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), |
| 7495 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), |
Andy Adamson | 863a3c6 | 2011-03-23 13:27:54 +0000 | [diff] [blame] | 7496 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
Benny Halevy | cbe8260 | 2011-05-22 19:52:37 +0300 | [diff] [blame] | 7497 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
Bryan Schumaker | fca78d6 | 2011-06-02 14:59:07 -0400 | [diff] [blame] | 7498 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
Bryan Schumaker | 7d97479 | 2011-06-02 14:59:08 -0400 | [diff] [blame] | 7499 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
Bryan Schumaker | 9aeda35 | 2011-06-02 14:59:09 -0400 | [diff] [blame] | 7500 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
Andy Adamson | 7f11d8d | 2011-07-30 20:52:35 -0400 | [diff] [blame] | 7501 | PROC(GETDEVICELIST, enc_getdevicelist, dec_getdevicelist), |
Trond Myklebust | ad24ecf | 2012-05-25 17:11:42 -0400 | [diff] [blame] | 7502 | PROC(BIND_CONN_TO_SESSION, |
| 7503 | enc_bind_conn_to_session, dec_bind_conn_to_session), |
Trond Myklebust | 6624553 | 2012-05-25 17:18:09 -0400 | [diff] [blame] | 7504 | PROC(DESTROY_CLIENTID, enc_destroy_clientid, dec_destroy_clientid), |
Benny Halevy | 99fe60d | 2009-04-01 09:22:29 -0400 | [diff] [blame] | 7505 | #endif /* CONFIG_NFS_V4_1 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7506 | }; |
| 7507 | |
Trond Myklebust | a613fa1 | 2012-01-20 13:53:56 -0500 | [diff] [blame] | 7508 | const struct rpc_version nfs_version4 = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7509 | .number = 4, |
Tobias Klauser | e8c96f8 | 2006-03-24 03:15:34 -0800 | [diff] [blame] | 7510 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7511 | .procs = nfs4_procedures |
| 7512 | }; |
| 7513 | |
| 7514 | /* |
| 7515 | * Local variables: |
| 7516 | * c-basic-offset: 8 |
| 7517 | * End: |
| 7518 | */ |