1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/include/lustre_req_layout.h
38 * Lustre Metadata Target (mdt) request handler
40 * Author: Nikita Danilov <nikita@clusterfs.com>
43 #ifndef _LUSTRE_REQ_LAYOUT_H__
44 #define _LUSTRE_REQ_LAYOUT_H__
50 struct ptlrpc_request;
58 /* Maximal number of fields (buffers) in a request message. */
59 #define REQ_MAX_FIELD_NR 9
62 struct ptlrpc_request *rc_req;
63 const struct req_format *rc_fmt;
65 enum req_location rc_loc;
66 __u32 rc_area[RCL_NR][REQ_MAX_FIELD_NR];
69 #if !defined(__REQ_LAYOUT_USER__)
71 /* struct ptlrpc_request, lustre_msg* */
72 #include <lustre_net.h>
74 void req_capsule_init(struct req_capsule *pill, struct ptlrpc_request *req,
75 enum req_location location);
76 void req_capsule_fini(struct req_capsule *pill);
78 void req_capsule_set(struct req_capsule *pill, const struct req_format *fmt);
79 void req_capsule_init_area(struct req_capsule *pill);
80 int req_capsule_filled_sizes(struct req_capsule *pill, enum req_location loc);
81 int req_capsule_server_pack(struct req_capsule *pill);
83 void *req_capsule_client_get(struct req_capsule *pill,
84 const struct req_msg_field *field);
85 void *req_capsule_client_swab_get(struct req_capsule *pill,
86 const struct req_msg_field *field,
87 void (*swabber)(void*));
88 void *req_capsule_client_sized_get(struct req_capsule *pill,
89 const struct req_msg_field *field,
91 void *req_capsule_server_get(struct req_capsule *pill,
92 const struct req_msg_field *field);
93 void *req_capsule_server_sized_get(struct req_capsule *pill,
94 const struct req_msg_field *field,
96 void *req_capsule_server_swab_get(struct req_capsule *pill,
97 const struct req_msg_field *field,
99 const void *req_capsule_other_get(struct req_capsule *pill,
100 const struct req_msg_field *field);
102 void req_capsule_set_size(struct req_capsule *pill,
103 const struct req_msg_field *field,
104 enum req_location loc, int size);
105 int req_capsule_get_size(const struct req_capsule *pill,
106 const struct req_msg_field *field,
107 enum req_location loc);
108 int req_capsule_msg_size(struct req_capsule *pill, enum req_location loc);
109 int req_capsule_fmt_size(__u32 magic, const struct req_format *fmt,
110 enum req_location loc);
111 void req_capsule_extend(struct req_capsule *pill, const struct req_format *fmt);
113 int req_capsule_has_field(const struct req_capsule *pill,
114 const struct req_msg_field *field,
115 enum req_location loc);
116 int req_capsule_field_present(const struct req_capsule *pill,
117 const struct req_msg_field *field,
118 enum req_location loc);
119 void req_capsule_shrink(struct req_capsule *pill,
120 const struct req_msg_field *field,
122 enum req_location loc);
124 int req_layout_init(void);
125 void req_layout_fini(void);
127 /* __REQ_LAYOUT_USER__ */
130 extern const struct req_format RQF_OBD_PING;
131 extern const struct req_format RQF_SEC_CTX;
133 extern const struct req_format RQF_MGS_TARGET_REG;
134 extern const struct req_format RQF_MGS_SET_INFO;
135 /* fid/fld req_format */
136 extern const struct req_format RQF_SEQ_QUERY;
137 extern const struct req_format RQF_FLD_QUERY;
139 extern const struct req_format RQF_MDS_CONNECT;
140 extern const struct req_format RQF_MDS_DISCONNECT;
141 extern const struct req_format RQF_MDS_STATFS;
142 extern const struct req_format RQF_MDS_GETSTATUS;
143 extern const struct req_format RQF_MDS_SYNC;
144 extern const struct req_format RQF_MDS_GETXATTR;
145 extern const struct req_format RQF_MDS_GETATTR;
147 * This is format of direct (non-intent) MDS_GETATTR_NAME request.
149 extern const struct req_format RQF_MDS_GETATTR_NAME;
150 extern const struct req_format RQF_MDS_CLOSE;
151 extern const struct req_format RQF_MDS_PIN;
152 extern const struct req_format RQF_MDS_UNPIN;
153 extern const struct req_format RQF_MDS_CONNECT;
154 extern const struct req_format RQF_MDS_DISCONNECT;
155 extern const struct req_format RQF_MDS_SET_INFO;
156 extern const struct req_format RQF_MDS_READPAGE;
157 extern const struct req_format RQF_MDS_WRITEPAGE;
158 extern const struct req_format RQF_MDS_IS_SUBDIR;
159 extern const struct req_format RQF_MDS_DONE_WRITING;
160 extern const struct req_format RQF_MDS_REINT;
161 extern const struct req_format RQF_MDS_REINT_CREATE;
162 extern const struct req_format RQF_MDS_REINT_CREATE_RMT_ACL;
163 extern const struct req_format RQF_MDS_REINT_CREATE_SLAVE;
164 extern const struct req_format RQF_MDS_REINT_CREATE_SYM;
165 extern const struct req_format RQF_MDS_REINT_OPEN;
166 extern const struct req_format RQF_MDS_REINT_UNLINK;
167 extern const struct req_format RQF_MDS_REINT_LINK;
168 extern const struct req_format RQF_MDS_REINT_RENAME;
169 extern const struct req_format RQF_MDS_REINT_SETATTR;
170 extern const struct req_format RQF_MDS_REINT_SETXATTR;
171 extern const struct req_format RQF_MDS_QUOTACHECK;
172 extern const struct req_format RQF_MDS_QUOTACTL;
173 extern const struct req_format RQF_MDS_QUOTA_DQACQ;
174 extern const struct req_format RQF_QC_CALLBACK;
176 extern const struct req_format RQF_OST_CONNECT;
177 extern const struct req_format RQF_OST_DISCONNECT;
178 extern const struct req_format RQF_OST_QUOTACHECK;
179 extern const struct req_format RQF_OST_QUOTACTL;
180 extern const struct req_format RQF_OST_GETATTR;
181 extern const struct req_format RQF_OST_SETATTR;
182 extern const struct req_format RQF_OST_CREATE;
183 extern const struct req_format RQF_OST_PUNCH;
184 extern const struct req_format RQF_OST_SYNC;
185 extern const struct req_format RQF_OST_DESTROY;
186 extern const struct req_format RQF_OST_BRW;
187 extern const struct req_format RQF_OST_STATFS;
188 extern const struct req_format RQF_OST_SET_INFO;
189 extern const struct req_format RQF_OST_GET_INFO_GENERIC;
190 extern const struct req_format RQF_OST_GET_INFO_LAST_ID;
191 extern const struct req_format RQF_OST_GET_INFO_FIEMAP;
193 /* LDLM req_format */
194 extern const struct req_format RQF_LDLM_ENQUEUE;
195 extern const struct req_format RQF_LDLM_ENQUEUE_LVB;
196 extern const struct req_format RQF_LDLM_CONVERT;
197 extern const struct req_format RQF_LDLM_INTENT;
198 extern const struct req_format RQF_LDLM_INTENT_GETATTR;
199 extern const struct req_format RQF_LDLM_INTENT_OPEN;
200 extern const struct req_format RQF_LDLM_INTENT_CREATE;
201 extern const struct req_format RQF_LDLM_INTENT_UNLINK;
202 extern const struct req_format RQF_LDLM_CANCEL;
203 extern const struct req_format RQF_LDLM_CALLBACK;
204 extern const struct req_format RQF_LDLM_CP_CALLBACK;
205 extern const struct req_format RQF_LDLM_BL_CALLBACK;
206 extern const struct req_format RQF_LDLM_GL_CALLBACK;
208 extern const struct req_format RQF_LOG_CANCEL;
209 extern const struct req_format RQF_LLOG_CATINFO;
210 extern const struct req_format RQF_LLOG_ORIGIN_HANDLE_CREATE;
211 extern const struct req_format RQF_LLOG_ORIGIN_HANDLE_DESTROY;
212 extern const struct req_format RQF_LLOG_ORIGIN_HANDLE_NEXT_BLOCK;
213 extern const struct req_format RQF_LLOG_ORIGIN_HANDLE_PREV_BLOCK;
214 extern const struct req_format RQF_LLOG_ORIGIN_HANDLE_READ_HEADER;
215 extern const struct req_format RQF_LLOG_ORIGIN_CONNECT;
217 extern const struct req_msg_field RMF_GENERIC_DATA;
218 extern const struct req_msg_field RMF_PTLRPC_BODY;
219 extern const struct req_msg_field RMF_MDT_BODY;
220 extern const struct req_msg_field RMF_MDT_EPOCH;
221 extern const struct req_msg_field RMF_OBD_STATFS;
222 extern const struct req_msg_field RMF_NAME;
223 extern const struct req_msg_field RMF_SYMTGT;
224 extern const struct req_msg_field RMF_TGTUUID;
225 extern const struct req_msg_field RMF_CLUUID;
226 extern const struct req_msg_field RMF_SETINFO_VAL;
227 extern const struct req_msg_field RMF_SETINFO_KEY;
229 * connection handle received in MDS_CONNECT request.
231 extern const struct req_msg_field RMF_CONN;
232 extern const struct req_msg_field RMF_CONNECT_DATA;
233 extern const struct req_msg_field RMF_DLM_REQ;
234 extern const struct req_msg_field RMF_DLM_REP;
235 extern const struct req_msg_field RMF_DLM_LVB;
236 extern const struct req_msg_field RMF_LDLM_INTENT;
237 extern const struct req_msg_field RMF_MDT_MD;
238 extern const struct req_msg_field RMF_REC_REINT;
239 extern const struct req_msg_field RMF_REC_JOINFILE;
240 extern const struct req_msg_field RMF_EADATA;
241 extern const struct req_msg_field RMF_ACL;
242 extern const struct req_msg_field RMF_LOGCOOKIES;
243 extern const struct req_msg_field RMF_CAPA1;
244 extern const struct req_msg_field RMF_CAPA2;
245 extern const struct req_msg_field RMF_OBD_QUOTACHECK;
246 extern const struct req_msg_field RMF_OBD_QUOTACTL;
247 extern const struct req_msg_field RMF_QUNIT_DATA;
248 extern const struct req_msg_field RMF_STRING;
251 extern const struct req_msg_field RMF_SEQ_OPC;
252 extern const struct req_msg_field RMF_SEQ_RANGE;
255 extern const struct req_msg_field RMF_FLD_OPC;
256 extern const struct req_msg_field RMF_FLD_MDFLD;
258 extern const struct req_msg_field RMF_LLOGD_BODY;
259 extern const struct req_msg_field RMF_LLOG_LOG_HDR;
260 extern const struct req_msg_field RMF_LLOGD_CONN_BODY;
262 extern const struct req_msg_field RMF_MGS_TARGET_INFO;
263 extern const struct req_msg_field RMF_MGS_SEND_PARAM;
265 extern const struct req_msg_field RMF_OST_BODY;
266 extern const struct req_msg_field RMF_OBD_IOOBJ;
267 extern const struct req_msg_field RMF_OBD_ID;
268 extern const struct req_msg_field RMF_NIOBUF_REMOTE;
269 extern const struct req_msg_field RMF_FIEMAP_KEY;
270 extern const struct req_msg_field RMF_FIEMAP_VAL;
272 #endif /* _LUSTRE_REQ_LAYOUT_H__ */