LU-1330 obdclass: add obd_target.h

[fs/lustre-release.git] / lustre / include / obd_target.h

diff --git a/lustre/include/obd_target.h b/lustre/include/obd_target.h
new file mode 100644 (file)
index 0000000..0d7ea23
--- /dev/null
+++ b/lustre/include/obd_target.h
@@ -0,0 +1,83 @@
+/* GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * 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.
+ *
+ * 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
+ * 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 (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Intel, Inc.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ */
+
+#ifndef __OBD_TARGET_H
+#define __OBD_TARGET_H
+
+/* server-side individual type definitions */
+
+#define OBT_MAGIC       0xBDDECEAE
+/* hold common fields for "target" device */
+struct obd_device_target {
+       __u32                   obt_magic;
+       __u32                   obt_instance;
+       struct lu_target       *obt_lut;
+       __u64                   obt_mount_count;
+       struct obd_job_stats    obt_jobstats;
+};
+
+#define FILTER_SUBDIR_COUNT 32 /* set to zero for no subdirs */
+
+struct filter_obd {
+       /* NB this field MUST be first */
+       struct obd_device_target        fo_obt;
+       rwlock_t                        fo_sptlrpc_lock;
+       struct sptlrpc_rule_set         fo_sptlrpc_rset;
+
+       /* capability related */
+       unsigned int                    fo_fl_oss_capa;
+       cfs_list_t                      fo_capa_keys;
+       cfs_hlist_head_t               *fo_capa_hash;
+       int                             fo_sec_level;
+};
+
+struct echo_obd {
+       struct obd_device_target        eo_obt;
+       struct obdo                     eo_oa;
+       spinlock_t                      eo_lock;
+       __u64                           eo_lastino;
+       struct lustre_handle            eo_nl_lock;
+       cfs_atomic_t                    eo_prep;
+};
+
+struct ost_obd {
+       struct ptlrpc_service          *ost_service;
+       struct ptlrpc_service          *ost_create_service;
+       struct ptlrpc_service          *ost_io_service;
+       struct ptlrpc_service          *ost_seq_service;
+       struct mutex                    ost_health_mutex;
+};
+
+#endif /* __OBD_TARGET_H */