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lustre: kill unused helper
[linux-2.6-block.git] / drivers / staging / lustre / lustre / include / lustre_req_layout.h
CommitLineData
d7e09d03
PT		 1/*
2 * GPL HEADER START
3 *
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
19 *
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
22 * have any questions.
23 *
24 * GPL HEADER END
25 */
26/*
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
29 *
30 * Copyright (c) 2011, 2012, Intel Corporation.
31 */
32/*
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
35 *
36 * lustre/include/lustre_req_layout.h
37 *
38 * Lustre Metadata Target (mdt) request handler
39 *
40 * Author: Nikita Danilov <nikita@clusterfs.com>
41 */
42
43#ifndef _LUSTRE_REQ_LAYOUT_H__
44#define _LUSTRE_REQ_LAYOUT_H__
45
46/** \defgroup req_layout req_layout
47 *
48 * @{
49 */
50
51struct req_msg_field;
52struct req_format;
53struct req_capsule;
54
55struct ptlrpc_request;
56
57enum req_location {
58 RCL_CLIENT,
59 RCL_SERVER,
60 RCL_NR
61};
62
63/* Maximal number of fields (buffers) in a request message. */
64#define REQ_MAX_FIELD_NR 9
65
66struct req_capsule {
67 struct ptlrpc_request *rc_req;
68 const struct req_format *rc_fmt;
69 enum req_location rc_loc;
70 __u32 rc_area[RCL_NR][REQ_MAX_FIELD_NR];
71};
72
73#if !defined(__REQ_LAYOUT_USER__)
74
75/* struct ptlrpc_request, lustre_msg* */
1accaadf 76#include "lustre_net.h"
d7e09d03
PT		 77
78void req_capsule_init(struct req_capsule *pill, struct ptlrpc_request *req,
79 enum req_location location);
80void req_capsule_fini(struct req_capsule *pill);
81
82void req_capsule_set(struct req_capsule *pill, const struct req_format *fmt);
83void req_capsule_client_dump(struct req_capsule *pill);
84void req_capsule_server_dump(struct req_capsule *pill);
85void req_capsule_init_area(struct req_capsule *pill);
86int req_capsule_filled_sizes(struct req_capsule *pill, enum req_location loc);
87int req_capsule_server_pack(struct req_capsule *pill);
88
89void *req_capsule_client_get(struct req_capsule *pill,
90 const struct req_msg_field *field);
91void *req_capsule_client_swab_get(struct req_capsule *pill,
92 const struct req_msg_field *field,
93 void *swabber);
94void *req_capsule_client_sized_get(struct req_capsule *pill,
95 const struct req_msg_field *field,
96 int len);
97void *req_capsule_server_get(struct req_capsule *pill,
98 const struct req_msg_field *field);
99void *req_capsule_server_sized_get(struct req_capsule *pill,
100 const struct req_msg_field *field,
101 int len);
102void *req_capsule_server_swab_get(struct req_capsule *pill,
103 const struct req_msg_field *field,
104 void *swabber);
105void *req_capsule_server_sized_swab_get(struct req_capsule *pill,
106 const struct req_msg_field *field,
107 int len, void *swabber);
108const void *req_capsule_other_get(struct req_capsule *pill,
109 const struct req_msg_field *field);
110
111void req_capsule_set_size(struct req_capsule *pill,
112 const struct req_msg_field *field,
113 enum req_location loc, int size);
114int req_capsule_get_size(const struct req_capsule *pill,
115 const struct req_msg_field *field,
116 enum req_location loc);
117int req_capsule_msg_size(struct req_capsule *pill, enum req_location loc);
118int req_capsule_fmt_size(__u32 magic, const struct req_format *fmt,
119 enum req_location loc);
120void req_capsule_extend(struct req_capsule *pill, const struct req_format *fmt);
121
122int req_capsule_has_field(const struct req_capsule *pill,
123 const struct req_msg_field *field,
124 enum req_location loc);
125int req_capsule_field_present(const struct req_capsule *pill,
126 const struct req_msg_field *field,
127 enum req_location loc);
128void req_capsule_shrink(struct req_capsule *pill,
129 const struct req_msg_field *field,
130 unsigned int newlen,
131 enum req_location loc);
132int req_capsule_server_grow(struct req_capsule *pill,
133 const struct req_msg_field *field,
134 unsigned int newlen);
135int req_layout_init(void);
136void req_layout_fini(void);
137
138/* __REQ_LAYOUT_USER__ */
139#endif
140
141extern struct req_format RQF_OBD_PING;
142extern struct req_format RQF_OBD_SET_INFO;
143extern struct req_format RQF_SEC_CTX;
144extern struct req_format RQF_OBD_IDX_READ;
145/* MGS req_format */
146extern struct req_format RQF_MGS_TARGET_REG;
147extern struct req_format RQF_MGS_SET_INFO;
148extern struct req_format RQF_MGS_CONFIG_READ;
149/* fid/fld req_format */
150extern struct req_format RQF_SEQ_QUERY;
151extern struct req_format RQF_FLD_QUERY;
152/* MDS req_format */
153extern struct req_format RQF_MDS_CONNECT;
154extern struct req_format RQF_MDS_DISCONNECT;
155extern struct req_format RQF_MDS_STATFS;
156extern struct req_format RQF_MDS_GETSTATUS;
157extern struct req_format RQF_MDS_SYNC;
158extern struct req_format RQF_MDS_GETXATTR;
159extern struct req_format RQF_MDS_GETATTR;
160extern struct req_format RQF_UPDATE_OBJ;
161
162/*
163 * This is format of direct (non-intent) MDS_GETATTR_NAME request.
164 */
165extern struct req_format RQF_MDS_GETATTR_NAME;
166extern struct req_format RQF_MDS_CLOSE;
48d23e61 167extern struct req_format RQF_MDS_RELEASE_CLOSE;
d7e09d03
PT		 168extern struct req_format RQF_MDS_PIN;
169extern struct req_format RQF_MDS_UNPIN;
170extern struct req_format RQF_MDS_CONNECT;
171extern struct req_format RQF_MDS_DISCONNECT;
172extern struct req_format RQF_MDS_GET_INFO;
173extern struct req_format RQF_MDS_READPAGE;
174extern struct req_format RQF_MDS_WRITEPAGE;
175extern struct req_format RQF_MDS_IS_SUBDIR;
176extern struct req_format RQF_MDS_DONE_WRITING;
177extern struct req_format RQF_MDS_REINT;
178extern struct req_format RQF_MDS_REINT_CREATE;
179extern struct req_format RQF_MDS_REINT_CREATE_RMT_ACL;
180extern struct req_format RQF_MDS_REINT_CREATE_SLAVE;
181extern struct req_format RQF_MDS_REINT_CREATE_SYM;
182extern struct req_format RQF_MDS_REINT_OPEN;
183extern struct req_format RQF_MDS_REINT_UNLINK;
184extern struct req_format RQF_MDS_REINT_LINK;
185extern struct req_format RQF_MDS_REINT_RENAME;
186extern struct req_format RQF_MDS_REINT_SETATTR;
187extern struct req_format RQF_MDS_REINT_SETXATTR;
188extern struct req_format RQF_MDS_QUOTACHECK;
189extern struct req_format RQF_MDS_QUOTACTL;
190extern struct req_format RQF_QC_CALLBACK;
191extern struct req_format RQF_QUOTA_DQACQ;
192extern struct req_format RQF_MDS_SWAP_LAYOUTS;
193/* MDS hsm formats */
194extern struct req_format RQF_MDS_HSM_STATE_GET;
195extern struct req_format RQF_MDS_HSM_STATE_SET;
196extern struct req_format RQF_MDS_HSM_ACTION;
197extern struct req_format RQF_MDS_HSM_PROGRESS;
198extern struct req_format RQF_MDS_HSM_CT_REGISTER;
199extern struct req_format RQF_MDS_HSM_CT_UNREGISTER;
200extern struct req_format RQF_MDS_HSM_REQUEST;
201/* OST req_format */
202extern struct req_format RQF_OST_CONNECT;
203extern struct req_format RQF_OST_DISCONNECT;
204extern struct req_format RQF_OST_QUOTACHECK;
205extern struct req_format RQF_OST_QUOTACTL;
206extern struct req_format RQF_OST_GETATTR;
207extern struct req_format RQF_OST_SETATTR;
208extern struct req_format RQF_OST_CREATE;
209extern struct req_format RQF_OST_PUNCH;
210extern struct req_format RQF_OST_SYNC;
211extern struct req_format RQF_OST_DESTROY;
212extern struct req_format RQF_OST_BRW_READ;
213extern struct req_format RQF_OST_BRW_WRITE;
214extern struct req_format RQF_OST_STATFS;
215extern struct req_format RQF_OST_SET_GRANT_INFO;
216extern struct req_format RQF_OST_GET_INFO_GENERIC;
217extern struct req_format RQF_OST_GET_INFO_LAST_ID;
218extern struct req_format RQF_OST_GET_INFO_LAST_FID;
219extern struct req_format RQF_OST_SET_INFO_LAST_FID;
220extern struct req_format RQF_OST_GET_INFO_FIEMAP;
221
222/* LDLM req_format */
223extern struct req_format RQF_LDLM_ENQUEUE;
224extern struct req_format RQF_LDLM_ENQUEUE_LVB;
225extern struct req_format RQF_LDLM_CONVERT;
226extern struct req_format RQF_LDLM_INTENT;
227extern struct req_format RQF_LDLM_INTENT_BASIC;
228extern struct req_format RQF_LDLM_INTENT_LAYOUT;
229extern struct req_format RQF_LDLM_INTENT_GETATTR;
230extern struct req_format RQF_LDLM_INTENT_OPEN;
231extern struct req_format RQF_LDLM_INTENT_CREATE;
232extern struct req_format RQF_LDLM_INTENT_UNLINK;
7fc1f831 233extern struct req_format RQF_LDLM_INTENT_GETXATTR;
d7e09d03
PT		 234extern struct req_format RQF_LDLM_INTENT_QUOTA;
235extern struct req_format RQF_LDLM_CANCEL;
236extern struct req_format RQF_LDLM_CALLBACK;
237extern struct req_format RQF_LDLM_CP_CALLBACK;
238extern struct req_format RQF_LDLM_BL_CALLBACK;
239extern struct req_format RQF_LDLM_GL_CALLBACK;
240extern struct req_format RQF_LDLM_GL_DESC_CALLBACK;
241/* LOG req_format */
242extern struct req_format RQF_LOG_CANCEL;
243extern struct req_format RQF_LLOG_ORIGIN_HANDLE_CREATE;
244extern struct req_format RQF_LLOG_ORIGIN_HANDLE_DESTROY;
245extern struct req_format RQF_LLOG_ORIGIN_HANDLE_NEXT_BLOCK;
246extern struct req_format RQF_LLOG_ORIGIN_HANDLE_PREV_BLOCK;
247extern struct req_format RQF_LLOG_ORIGIN_HANDLE_READ_HEADER;
248extern struct req_format RQF_LLOG_ORIGIN_CONNECT;
249
65f1c781
MP		 250extern struct req_format RQF_CONNECT;
251
d7e09d03
PT		 252extern struct req_msg_field RMF_GENERIC_DATA;
253extern struct req_msg_field RMF_PTLRPC_BODY;
254extern struct req_msg_field RMF_MDT_BODY;
255extern struct req_msg_field RMF_MDT_EPOCH;
256extern struct req_msg_field RMF_OBD_STATFS;
257extern struct req_msg_field RMF_NAME;
258extern struct req_msg_field RMF_SYMTGT;
259extern struct req_msg_field RMF_TGTUUID;
260extern struct req_msg_field RMF_CLUUID;
261extern struct req_msg_field RMF_SETINFO_VAL;
262extern struct req_msg_field RMF_SETINFO_KEY;
263extern struct req_msg_field RMF_GETINFO_VAL;
264extern struct req_msg_field RMF_GETINFO_VALLEN;
265extern struct req_msg_field RMF_GETINFO_KEY;
266extern struct req_msg_field RMF_IDX_INFO;
48d23e61 267extern struct req_msg_field RMF_CLOSE_DATA;
d7e09d03
PT		 268
269/*
270 * connection handle received in MDS_CONNECT request.
271 */
272extern struct req_msg_field RMF_CONN;
273extern struct req_msg_field RMF_CONNECT_DATA;
274extern struct req_msg_field RMF_DLM_REQ;
275extern struct req_msg_field RMF_DLM_REP;
276extern struct req_msg_field RMF_DLM_LVB;
277extern struct req_msg_field RMF_DLM_GL_DESC;
278extern struct req_msg_field RMF_LDLM_INTENT;
279extern struct req_msg_field RMF_LAYOUT_INTENT;
280extern struct req_msg_field RMF_MDT_MD;
281extern struct req_msg_field RMF_REC_REINT;
282extern struct req_msg_field RMF_EADATA;
7fc1f831
AP		 283extern struct req_msg_field RMF_EAVALS;
284extern struct req_msg_field RMF_EAVALS_LENS;
d7e09d03
PT		 285extern struct req_msg_field RMF_ACL;
286extern struct req_msg_field RMF_LOGCOOKIES;
287extern struct req_msg_field RMF_CAPA1;
288extern struct req_msg_field RMF_CAPA2;
289extern struct req_msg_field RMF_OBD_QUOTACHECK;
290extern struct req_msg_field RMF_OBD_QUOTACTL;
291extern struct req_msg_field RMF_QUOTA_BODY;
292extern struct req_msg_field RMF_STRING;
293extern struct req_msg_field RMF_SWAP_LAYOUTS;
294extern struct req_msg_field RMF_MDS_HSM_PROGRESS;
295extern struct req_msg_field RMF_MDS_HSM_REQUEST;
296extern struct req_msg_field RMF_MDS_HSM_USER_ITEM;
297extern struct req_msg_field RMF_MDS_HSM_ARCHIVE;
298extern struct req_msg_field RMF_HSM_USER_STATE;
299extern struct req_msg_field RMF_HSM_STATE_SET;
300extern struct req_msg_field RMF_MDS_HSM_CURRENT_ACTION;
301extern struct req_msg_field RMF_MDS_HSM_REQUEST;
302
303/* seq-mgr fields */
304extern struct req_msg_field RMF_SEQ_OPC;
305extern struct req_msg_field RMF_SEQ_RANGE;
306extern struct req_msg_field RMF_FID_SPACE;
307
308/* FLD fields */
309extern struct req_msg_field RMF_FLD_OPC;
310extern struct req_msg_field RMF_FLD_MDFLD;
311
312extern struct req_msg_field RMF_LLOGD_BODY;
313extern struct req_msg_field RMF_LLOG_LOG_HDR;
314extern struct req_msg_field RMF_LLOGD_CONN_BODY;
315
316extern struct req_msg_field RMF_MGS_TARGET_INFO;
317extern struct req_msg_field RMF_MGS_SEND_PARAM;
318
319extern struct req_msg_field RMF_OST_BODY;
320extern struct req_msg_field RMF_OBD_IOOBJ;
321extern struct req_msg_field RMF_OBD_ID;
322extern struct req_msg_field RMF_FID;
323extern struct req_msg_field RMF_NIOBUF_REMOTE;
324extern struct req_msg_field RMF_RCS;
325extern struct req_msg_field RMF_FIEMAP_KEY;
326extern struct req_msg_field RMF_FIEMAP_VAL;
327extern struct req_msg_field RMF_OST_ID;
328
329/* MGS config read message format */
330extern struct req_msg_field RMF_MGS_CONFIG_BODY;
331extern struct req_msg_field RMF_MGS_CONFIG_RES;
332
333/* generic uint32 */
334extern struct req_msg_field RMF_U32;
335
336/* OBJ update format */
337extern struct req_msg_field RMF_UPDATE;
338extern struct req_msg_field RMF_UPDATE_REPLY;
339/** @} req_layout */
340
341#endif /* _LUSTRE_REQ_LAYOUT_H__ */
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