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[fs/lustre-release.git] / lustre / include / lustre_cfg.h
index 386fe3e..e1a03e7 100644 (file)
@@ -1,23 +1,37 @@
 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
  * vim:expandtab:shiftwidth=8:tabstop=8:
  *
- *  Copyright (C) 2001 Cluster File Systems, Inc. <braam@clusterfs.com>
+ * GPL HEADER START
  *
- *   This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
- *   Lustre is free software; you can redistribute it and/or
- *   modify it under the terms of version 2 of the GNU General Public
- *   License as published by the Free Software Foundation.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
  *
- *   Lustre is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
  *
- *   You should have received a copy of the GNU General Public License
- *   along with Lustre; if not, write to the Free Software
- *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
  */
 
 #ifndef _LUSTRE_CFG_H
 #define LCFG_HDR_SIZE(count) \
     size_round(offsetof (struct lustre_cfg, lcfg_buflens[(count)]))
 
-/* If not LCFG_REQUIRED, we can ignore this cmd and go on. */
+/* If the LCFG_REQUIRED bit is set in a configuration command,
+ * then the client is required to understand this parameter
+ * in order to mount the filesystem. If it does not understand
+ * a REQUIRED command the client mount will fail. */
 #define LCFG_REQUIRED         0x0001000
 
 enum lcfg_command_type {
-        LCFG_ATTACH         = 0x00cf001,
-        LCFG_DETACH         = 0x00cf002,
-        LCFG_SETUP          = 0x00cf003,
-        LCFG_CLEANUP        = 0x00cf004,
-        LCFG_ADD_UUID       = 0x00cf005,
-        LCFG_DEL_UUID       = 0x00cf006,
-        LCFG_MOUNTOPT       = 0x00cf007,
-        LCFG_DEL_MOUNTOPT   = 0x00cf008,
-        LCFG_SET_TIMEOUT    = 0x00cf009,
-        LCFG_SET_UPCALL     = 0x00cf00a,
-        LCFG_ADD_CONN       = 0x00cf00b,
-        LCFG_DEL_CONN       = 0x00cf00c,
-        LCFG_LOV_ADD_OBD    = 0x00cf00d,
-        LCFG_LOV_DEL_OBD    = 0x00cf00e,
-        LCFG_PARAM          = 0x00cf00f,
-        LCFG_MARKER         = 0x00cf010,
-        LCFG_LOG_START      = 0x00ce011,
-        LCFG_LOG_END        = 0x00ce012,
-        LCFG_LOV_ADD_INA    = 0x00ce013,
-        LCFG_ADD_MDC        = 0x00cf014,
-        LCFG_DEL_MDC        = 0x00cf015,
-        LCFG_SPTLRPC_CONF   = 0x00ce016,
+        LCFG_ATTACH             = 0x00cf001,
+        LCFG_DETACH             = 0x00cf002,
+        LCFG_SETUP              = 0x00cf003,
+        LCFG_CLEANUP            = 0x00cf004,
+        LCFG_ADD_UUID           = 0x00cf005,
+        LCFG_DEL_UUID           = 0x00cf006,
+        LCFG_MOUNTOPT           = 0x00cf007,
+        LCFG_DEL_MOUNTOPT       = 0x00cf008,
+        LCFG_SET_TIMEOUT        = 0x00cf009,
+        LCFG_SET_UPCALL         = 0x00cf00a,
+        LCFG_ADD_CONN           = 0x00cf00b,
+        LCFG_DEL_CONN           = 0x00cf00c,
+        LCFG_LOV_ADD_OBD        = 0x00cf00d,
+        LCFG_LOV_DEL_OBD        = 0x00cf00e,
+        LCFG_PARAM              = 0x00cf00f,
+        LCFG_MARKER             = 0x00cf010,
+        LCFG_LOG_START          = 0x00ce011,
+        LCFG_LOG_END            = 0x00ce012,
+        LCFG_LOV_ADD_INA        = 0x00ce013,
+        LCFG_ADD_MDC            = 0x00cf014,
+        LCFG_DEL_MDC            = 0x00cf015,
+        LCFG_SPTLRPC_CONF       = 0x00ce016,
+        LCFG_POOL_NEW           = 0x00ce020,
+        LCFG_POOL_ADD           = 0x00ce021,
+        LCFG_POOL_REM           = 0x00ce022,
+        LCFG_POOL_DEL           = 0x00ce023,
+        LCFG_SET_LDLM_TIMEOUT   = 0x00ce030,
 };
 
 struct lustre_cfg_bufs {
@@ -83,6 +105,11 @@ struct lustre_cfg {
         __u32 lcfg_buflens[0];
 };
 
+enum cfg_record_type {
+        PORTALS_CFG_TYPE = 1,
+        LUSTRE_CFG_TYPE = 123,
+};
+
 #define LUSTRE_CFG_BUFLEN(lcfg, idx)            \
         ((lcfg)->lcfg_bufcount <= (idx)         \
          ? 0                                    \
@@ -203,7 +230,7 @@ static inline struct lustre_cfg *lustre_cfg_new(int cmd,
         OBD_ALLOC(lcfg, lustre_cfg_len(bufs->lcfg_bufcount,
                                        bufs->lcfg_buflen));
         if (!lcfg)
-                RETURN(lcfg);
+                RETURN(ERR_PTR(-ENOMEM));
 
         lcfg->lcfg_version = LUSTRE_CFG_VERSION;
         lcfg->lcfg_command = cmd;