1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (C) 2001 Cluster File Systems, Inc.
6 * This code is issued under the GNU General Public License.
7 * See the file COPYING in this distribution
13 #include <linux/list.h>
14 #include <linux/smp_lock.h>
16 #include <linux/lustre_idl.h>
18 struct obd_conn_info {
19 unsigned int conn_id; /* handle */
23 struct list_head typ_chain;
24 struct obd_ops *typ_ops;
29 #define OBD_RUN_CTXT_MAGIC 0xC0FFEEAA
30 #define OBD_CTXT_DEBUG /* development-only debugging */
33 struct vfsmount *pwdmnt;
42 struct obd_device *oc_dev;
46 struct obd_devicename {
49 struct dentry *dentry; /* file system obd device names */
50 __u8 _uuid[16]; /* uuid obd device names */
54 /* Individual type definitions */
57 struct super_block *e2_sb;
58 struct vfsmount *e2_vfsmnt;
63 struct super_block *fo_sb;
64 struct vfsmount *fo_vfsmnt;
65 struct obd_run_ctxt fo_ctxt;
66 struct dentry *fo_dentry_O;
67 struct dentry *fo_dentry_O_mode[16];
70 struct file_operations *fo_fop;
71 struct inode_operations *fo_iop;
72 struct address_space_operations *fo_aops;
75 struct mds_client_info;
76 struct mds_server_data;
79 struct ptlrpc_client *mdc_client;
80 struct ptlrpc_client *mdc_ldlm_client;
81 struct ptlrpc_connection *mdc_conn;
82 __u8 mdc_target_uuid[37];
86 struct ldlm_namespace *mds_local_namespace;
87 struct ptlrpc_service *mds_service;
88 struct ptlrpc_client *mds_ldlm_client; /* to be an LDLM client */
89 struct ptlrpc_connection *mds_ldlm_conn; /* to be an LDLM client */
92 struct super_block *mds_sb;
93 struct super_operations *mds_sop;
94 struct vfsmount *mds_vfsmnt;
95 struct obd_run_ctxt mds_ctxt;
96 struct file_operations *mds_fop;
97 struct inode_operations *mds_iop;
98 struct address_space_operations *mds_aops;
99 struct mds_fs_operations *mds_fsops;
100 struct file *mds_rcvd_filp;
101 __u64 mds_last_committed;
103 __u64 mds_mount_count;
104 struct ll_fid mds_rootfid;
105 int mds_client_count;
106 struct list_head mds_client_info;
107 struct mds_server_data *mds_server_data;
111 struct ptlrpc_service *ldlm_service;
112 struct ptlrpc_client *ldlm_client;
113 struct ptlrpc_connection *ldlm_server_conn;
118 struct super_block *eo_sb;
119 struct vfsmount *eo_vfsmnt;
120 struct obd_run_ctxt eo_ctxt;
123 struct file_operations *eo_fop;
124 struct inode_operations *eo_iop;
125 struct address_space_operations *eo_aops;
129 time_t recovd_waketime;
130 time_t recovd_timeout;
131 struct ptlrpc_service *recovd_service;
132 struct ptlrpc_client *recovd_client;
134 __u32 recovd_wakeup_flag;
135 spinlock_t recovd_lock;
136 struct list_head recovd_clients_lh; /* clients managed */
137 struct list_head recovd_troubled_lh; /* clients in trouble */
138 wait_queue_head_t recovd_recovery_waitq;
139 wait_queue_head_t recovd_ctl_waitq;
140 wait_queue_head_t recovd_waitq;
141 struct task_struct *recovd_thread;
145 struct obdtrace_opstats *stats;
150 unsigned int snap_index; /* which snapshot index are we accessing */
155 unsigned int raid1_count; /* how many replicas */
156 /* devices to replicate on */
157 struct obd_device *raid1_devlist[MAX_RAID1];
158 /* connections we make */
159 struct obd_conn_info raid1_connections[MAX_RAID1];
160 struct list_head raid1_clients; /* clients we have */
165 struct ptlrpc_service *ost_service;
166 struct obd_device *ost_tgt; /* the exported OBD */
167 struct obd_conn ost_conn; /* the local connection to the OBD */
171 struct obd_device *osc_tgt;
172 struct ptlrpc_client *osc_client;
173 struct ptlrpc_client *osc_ldlm_client;
174 struct ptlrpc_connection *osc_conn;
175 __u8 osc_target_uuid[37];
178 typedef __u8 uuid_t[37];
182 __u32 lov_default_count;
183 __u32 lov_default_pattern;
184 __u32 lov_default_size;
185 uuid_t lov_service_uuids[MAX_MULTI];
189 struct obd_conn *lov_targets;
193 /* corresponds to one of the obd's */
195 struct obd_type *obd_type;
202 struct obd_devicename obd_fsname;
203 struct proc_dir_entry *obd_proc_entry;
205 struct obd_conn obd_multi_conn[MAX_MULTI];
206 unsigned int obd_gen_last_id;
207 unsigned long obd_gen_prealloc_quota;
208 struct list_head obd_gen_clients;
209 struct list_head obd_req_list;
210 wait_queue_head_t obd_req_waitq;
211 struct ldlm_namespace *obd_namespace;
213 struct ext2_obd ext2;
214 struct filter_obd filter;
219 struct ldlm_obd ldlm;
220 struct echo_obd echo;
221 struct recovd_obd recovd;
222 struct trace_obd trace;
225 struct raid1_obd raid1;
226 struct snap_obd snap;
232 int (*o_iocontrol)(long cmd, struct obd_conn *, int len, void *karg,
234 int (*o_get_info)(struct obd_conn *, obd_count keylen, void *key,
235 obd_count *vallen, void **val);
236 int (*o_set_info)(struct obd_conn *, obd_count keylen, void *key,
237 obd_count vallen, void *val);
238 int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
239 int (*o_detach)(struct obd_device *dev);
240 int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
241 int (*o_cleanup)(struct obd_device *dev);
242 int (*o_connect)(struct obd_conn *conn);
243 int (*o_disconnect)(struct obd_conn *conn);
246 int (*o_statfs)(struct obd_conn *conn, struct statfs *statfs);
247 int (*o_preallocate)(struct obd_conn *, obd_count *req, obd_id *ids);
248 int (*o_create)(struct obd_conn *conn, struct obdo *oa);
249 int (*o_destroy)(struct obd_conn *conn, struct obdo *oa);
250 int (*o_setattr)(struct obd_conn *conn, struct obdo *oa);
251 int (*o_getattr)(struct obd_conn *conn, struct obdo *oa);
252 int (*o_open)(struct obd_conn *conn, struct obdo *oa);
253 int (*o_close)(struct obd_conn *conn, struct obdo *oa);
254 int (*o_read)(struct obd_conn *conn, struct obdo *oa, char *buf,
255 obd_size *count, obd_off offset);
256 int (*o_write)(struct obd_conn *conn, struct obdo *oa, char *buf,
257 obd_size *count, obd_off offset);
258 int (*o_brw)(int rw, struct obd_conn *conn, obd_count num_oa,
259 struct obdo **oa, obd_count *oa_bufs, struct page **buf,
260 obd_size *count, obd_off *offset, obd_flag *flags,
262 int (*o_punch)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
264 int (*o_sync)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
266 int (*o_migrate)(struct obd_conn *conn, struct obdo *dst,
267 struct obdo *src, obd_size count, obd_off offset);
268 int (*o_copy)(struct obd_conn *dstconn, struct obdo *dst,
269 struct obd_conn *srconn, struct obdo *src,
270 obd_size count, obd_off offset);
271 int (*o_iterate)(struct obd_conn *conn, int (*)(obd_id, obd_gr, void *),
272 obd_id *startid, obd_gr group, void *data);
273 int (*o_preprw)(int cmd, struct obd_conn *conn,
274 int objcount, struct obd_ioobj *obj,
275 int niocount, struct niobuf_remote *remote,
276 struct niobuf_local *local, void **desc_private);
277 int (*o_commitrw)(int cmd, struct obd_conn *conn,
278 int objcount, struct obd_ioobj *obj,
279 int niocount, struct niobuf_local *local,
281 int (*o_enqueue)(struct obd_conn *conn,
282 struct lustre_handle *parent_lock, __u64 *res_id,
283 __u32 type, void *cookie, int cookielen, __u32 mode,
284 int *flags, void *cb, void *data, int datalen,
285 struct lustre_handle *lockh);
286 int (*o_cancel)(struct obd_conn *, __u32 mode, struct lustre_handle *);