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staging: lustre: remove remote client support
[deliverable/linux.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
6a5b99a4 18 * http://www.gnu.org/licenses/gpl-2.0.html
d7e09d03 19 *
d7e09d03
PT		 20 * GPL HEADER END
21 */
22/*
23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
25 *
1dc563a6 26 * Copyright (c) 2011, 2015, Intel Corporation.
d7e09d03
PT		 27 */
28/*
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
31 *
32 * lustre/include/lustre_req_layout.h
33 *
34 * Lustre Metadata Target (mdt) request handler
35 *
36 * Author: Nikita Danilov <nikita@clusterfs.com>
37 */
38
39#ifndef _LUSTRE_REQ_LAYOUT_H__
40#define _LUSTRE_REQ_LAYOUT_H__
41
42/** \defgroup req_layout req_layout
43 *
44 * @{
45 */
46
47struct req_msg_field;
48struct req_format;
49struct req_capsule;
50
51struct ptlrpc_request;
52
53enum req_location {
54 RCL_CLIENT,
55 RCL_SERVER,
56 RCL_NR
57};
58
59/* Maximal number of fields (buffers) in a request message. */
60#define REQ_MAX_FIELD_NR 9
61
62struct req_capsule {
63 struct ptlrpc_request *rc_req;
64 const struct req_format *rc_fmt;
65 enum req_location rc_loc;
66 __u32 rc_area[RCL_NR][REQ_MAX_FIELD_NR];
67};
68
69#if !defined(__REQ_LAYOUT_USER__)
70
71/* struct ptlrpc_request, lustre_msg* */
1accaadf 72#include "lustre_net.h"
d7e09d03
PT		 73
74void req_capsule_init(struct req_capsule *pill, struct ptlrpc_request *req,
75 enum req_location location);
76void req_capsule_fini(struct req_capsule *pill);
77
78void req_capsule_set(struct req_capsule *pill, const struct req_format *fmt);
d7e09d03
PT		 79int req_capsule_filled_sizes(struct req_capsule *pill, enum req_location loc);
80int req_capsule_server_pack(struct req_capsule *pill);
81
82void *req_capsule_client_get(struct req_capsule *pill,
83 const struct req_msg_field *field);
84void *req_capsule_client_swab_get(struct req_capsule *pill,
85 const struct req_msg_field *field,
86 void *swabber);
87void *req_capsule_client_sized_get(struct req_capsule *pill,
88 const struct req_msg_field *field,
89 int len);
90void *req_capsule_server_get(struct req_capsule *pill,
91 const struct req_msg_field *field);
92void *req_capsule_server_sized_get(struct req_capsule *pill,
93 const struct req_msg_field *field,
94 int len);
95void *req_capsule_server_swab_get(struct req_capsule *pill,
96 const struct req_msg_field *field,
97 void *swabber);
98void *req_capsule_server_sized_swab_get(struct req_capsule *pill,
99 const struct req_msg_field *field,
100 int len, void *swabber);
d7e09d03
PT		 101
102void req_capsule_set_size(struct req_capsule *pill,
103 const struct req_msg_field *field,
104 enum req_location loc, int size);
105int req_capsule_get_size(const struct req_capsule *pill,
10457d4b
OD		 106 const struct req_msg_field *field,
107 enum req_location loc);
d7e09d03
PT		 108int req_capsule_msg_size(struct req_capsule *pill, enum req_location loc);
109int req_capsule_fmt_size(__u32 magic, const struct req_format *fmt,
110 enum req_location loc);
111void req_capsule_extend(struct req_capsule *pill, const struct req_format *fmt);
112
113int req_capsule_has_field(const struct req_capsule *pill,
114 const struct req_msg_field *field,
115 enum req_location loc);
d7e09d03
PT		 116void req_capsule_shrink(struct req_capsule *pill,
117 const struct req_msg_field *field,
118 unsigned int newlen,
119 enum req_location loc);
d7e09d03
PT		 120int req_layout_init(void);
121void req_layout_fini(void);
122
123/* __REQ_LAYOUT_USER__ */
124#endif
125
126extern struct req_format RQF_OBD_PING;
127extern struct req_format RQF_OBD_SET_INFO;
128extern struct req_format RQF_SEC_CTX;
d7e09d03
PT		 129/* MGS req_format */
130extern struct req_format RQF_MGS_TARGET_REG;
131extern struct req_format RQF_MGS_SET_INFO;
132extern struct req_format RQF_MGS_CONFIG_READ;
133/* fid/fld req_format */
134extern struct req_format RQF_SEQ_QUERY;
135extern struct req_format RQF_FLD_QUERY;
b78c2b9b 136extern struct req_format RQF_FLD_READ;
d7e09d03
PT		 137/* MDS req_format */
138extern struct req_format RQF_MDS_CONNECT;
139extern struct req_format RQF_MDS_DISCONNECT;
140extern struct req_format RQF_MDS_STATFS;
141extern struct req_format RQF_MDS_GETSTATUS;
142extern struct req_format RQF_MDS_SYNC;
143extern struct req_format RQF_MDS_GETXATTR;
144extern struct req_format RQF_MDS_GETATTR;
d7e09d03
PT		 145
146/*
147 * This is format of direct (non-intent) MDS_GETATTR_NAME request.
148 */
149extern struct req_format RQF_MDS_GETATTR_NAME;
150extern struct req_format RQF_MDS_CLOSE;
48d23e61 151extern struct req_format RQF_MDS_RELEASE_CLOSE;
d7e09d03
PT		 152extern struct req_format RQF_MDS_PIN;
153extern struct req_format RQF_MDS_UNPIN;
154extern struct req_format RQF_MDS_CONNECT;
155extern struct req_format RQF_MDS_DISCONNECT;
156extern struct req_format RQF_MDS_GET_INFO;
157extern struct req_format RQF_MDS_READPAGE;
158extern struct req_format RQF_MDS_WRITEPAGE;
159extern struct req_format RQF_MDS_IS_SUBDIR;
160extern struct req_format RQF_MDS_DONE_WRITING;
161extern struct req_format RQF_MDS_REINT;
162extern struct req_format RQF_MDS_REINT_CREATE;
341f1f0a 163extern struct req_format RQF_MDS_REINT_CREATE_ACL;
d7e09d03
PT		 164extern struct req_format RQF_MDS_REINT_CREATE_SLAVE;
165extern struct req_format RQF_MDS_REINT_CREATE_SYM;
166extern struct req_format RQF_MDS_REINT_OPEN;
167extern struct req_format RQF_MDS_REINT_UNLINK;
168extern struct req_format RQF_MDS_REINT_LINK;
169extern struct req_format RQF_MDS_REINT_RENAME;
170extern struct req_format RQF_MDS_REINT_SETATTR;
171extern struct req_format RQF_MDS_REINT_SETXATTR;
172extern struct req_format RQF_MDS_QUOTACHECK;
173extern struct req_format RQF_MDS_QUOTACTL;
174extern struct req_format RQF_QC_CALLBACK;
d7e09d03
PT		 175extern struct req_format RQF_MDS_SWAP_LAYOUTS;
176/* MDS hsm formats */
177extern struct req_format RQF_MDS_HSM_STATE_GET;
178extern struct req_format RQF_MDS_HSM_STATE_SET;
179extern struct req_format RQF_MDS_HSM_ACTION;
180extern struct req_format RQF_MDS_HSM_PROGRESS;
181extern struct req_format RQF_MDS_HSM_CT_REGISTER;
182extern struct req_format RQF_MDS_HSM_CT_UNREGISTER;
183extern struct req_format RQF_MDS_HSM_REQUEST;
184/* OST req_format */
185extern struct req_format RQF_OST_CONNECT;
186extern struct req_format RQF_OST_DISCONNECT;
187extern struct req_format RQF_OST_QUOTACHECK;
188extern struct req_format RQF_OST_QUOTACTL;
189extern struct req_format RQF_OST_GETATTR;
190extern struct req_format RQF_OST_SETATTR;
191extern struct req_format RQF_OST_CREATE;
192extern struct req_format RQF_OST_PUNCH;
193extern struct req_format RQF_OST_SYNC;
194extern struct req_format RQF_OST_DESTROY;
195extern struct req_format RQF_OST_BRW_READ;
196extern struct req_format RQF_OST_BRW_WRITE;
197extern struct req_format RQF_OST_STATFS;
198extern struct req_format RQF_OST_SET_GRANT_INFO;
45fe5b13 199extern struct req_format RQF_OST_GET_INFO;
d7e09d03
PT		 200extern struct req_format RQF_OST_GET_INFO_LAST_ID;
201extern struct req_format RQF_OST_GET_INFO_LAST_FID;
202extern struct req_format RQF_OST_SET_INFO_LAST_FID;
203extern struct req_format RQF_OST_GET_INFO_FIEMAP;
204
205/* LDLM req_format */
206extern struct req_format RQF_LDLM_ENQUEUE;
207extern struct req_format RQF_LDLM_ENQUEUE_LVB;
208extern struct req_format RQF_LDLM_CONVERT;
209extern struct req_format RQF_LDLM_INTENT;
210extern struct req_format RQF_LDLM_INTENT_BASIC;
211extern struct req_format RQF_LDLM_INTENT_LAYOUT;
212extern struct req_format RQF_LDLM_INTENT_GETATTR;
213extern struct req_format RQF_LDLM_INTENT_OPEN;
214extern struct req_format RQF_LDLM_INTENT_CREATE;
215extern struct req_format RQF_LDLM_INTENT_UNLINK;
7fc1f831 216extern struct req_format RQF_LDLM_INTENT_GETXATTR;
d7e09d03
PT		 217extern struct req_format RQF_LDLM_CANCEL;
218extern struct req_format RQF_LDLM_CALLBACK;
219extern struct req_format RQF_LDLM_CP_CALLBACK;
220extern struct req_format RQF_LDLM_BL_CALLBACK;
221extern struct req_format RQF_LDLM_GL_CALLBACK;
222extern struct req_format RQF_LDLM_GL_DESC_CALLBACK;
223/* LOG req_format */
224extern struct req_format RQF_LOG_CANCEL;
225extern struct req_format RQF_LLOG_ORIGIN_HANDLE_CREATE;
226extern struct req_format RQF_LLOG_ORIGIN_HANDLE_DESTROY;
227extern struct req_format RQF_LLOG_ORIGIN_HANDLE_NEXT_BLOCK;
228extern struct req_format RQF_LLOG_ORIGIN_HANDLE_PREV_BLOCK;
229extern struct req_format RQF_LLOG_ORIGIN_HANDLE_READ_HEADER;
230extern struct req_format RQF_LLOG_ORIGIN_CONNECT;
231
65f1c781
MP		 232extern struct req_format RQF_CONNECT;
233
d7e09d03
PT		 234extern struct req_msg_field RMF_GENERIC_DATA;
235extern struct req_msg_field RMF_PTLRPC_BODY;
236extern struct req_msg_field RMF_MDT_BODY;
237extern struct req_msg_field RMF_MDT_EPOCH;
238extern struct req_msg_field RMF_OBD_STATFS;
239extern struct req_msg_field RMF_NAME;
240extern struct req_msg_field RMF_SYMTGT;
241extern struct req_msg_field RMF_TGTUUID;
242extern struct req_msg_field RMF_CLUUID;
243extern struct req_msg_field RMF_SETINFO_VAL;
244extern struct req_msg_field RMF_SETINFO_KEY;
245extern struct req_msg_field RMF_GETINFO_VAL;
246extern struct req_msg_field RMF_GETINFO_VALLEN;
247extern struct req_msg_field RMF_GETINFO_KEY;
48d23e61 248extern struct req_msg_field RMF_CLOSE_DATA;
d7e09d03
PT		 249
250/*
251 * connection handle received in MDS_CONNECT request.
252 */
253extern struct req_msg_field RMF_CONN;
254extern struct req_msg_field RMF_CONNECT_DATA;
255extern struct req_msg_field RMF_DLM_REQ;
256extern struct req_msg_field RMF_DLM_REP;
257extern struct req_msg_field RMF_DLM_LVB;
258extern struct req_msg_field RMF_DLM_GL_DESC;
259extern struct req_msg_field RMF_LDLM_INTENT;
260extern struct req_msg_field RMF_LAYOUT_INTENT;
261extern struct req_msg_field RMF_MDT_MD;
262extern struct req_msg_field RMF_REC_REINT;
263extern struct req_msg_field RMF_EADATA;
7fc1f831
AP		 264extern struct req_msg_field RMF_EAVALS;
265extern struct req_msg_field RMF_EAVALS_LENS;
d7e09d03
PT		 266extern struct req_msg_field RMF_ACL;
267extern struct req_msg_field RMF_LOGCOOKIES;
268extern struct req_msg_field RMF_CAPA1;
269extern struct req_msg_field RMF_CAPA2;
270extern struct req_msg_field RMF_OBD_QUOTACHECK;
271extern struct req_msg_field RMF_OBD_QUOTACTL;
d7e09d03
PT		 272extern struct req_msg_field RMF_STRING;
273extern struct req_msg_field RMF_SWAP_LAYOUTS;
274extern struct req_msg_field RMF_MDS_HSM_PROGRESS;
275extern struct req_msg_field RMF_MDS_HSM_REQUEST;
276extern struct req_msg_field RMF_MDS_HSM_USER_ITEM;
277extern struct req_msg_field RMF_MDS_HSM_ARCHIVE;
278extern struct req_msg_field RMF_HSM_USER_STATE;
279extern struct req_msg_field RMF_HSM_STATE_SET;
280extern struct req_msg_field RMF_MDS_HSM_CURRENT_ACTION;
281extern struct req_msg_field RMF_MDS_HSM_REQUEST;
282
283/* seq-mgr fields */
284extern struct req_msg_field RMF_SEQ_OPC;
285extern struct req_msg_field RMF_SEQ_RANGE;
286extern struct req_msg_field RMF_FID_SPACE;
287
288/* FLD fields */
289extern struct req_msg_field RMF_FLD_OPC;
290extern struct req_msg_field RMF_FLD_MDFLD;
291
292extern struct req_msg_field RMF_LLOGD_BODY;
293extern struct req_msg_field RMF_LLOG_LOG_HDR;
294extern struct req_msg_field RMF_LLOGD_CONN_BODY;
295
296extern struct req_msg_field RMF_MGS_TARGET_INFO;
297extern struct req_msg_field RMF_MGS_SEND_PARAM;
298
299extern struct req_msg_field RMF_OST_BODY;
300extern struct req_msg_field RMF_OBD_IOOBJ;
301extern struct req_msg_field RMF_OBD_ID;
302extern struct req_msg_field RMF_FID;
303extern struct req_msg_field RMF_NIOBUF_REMOTE;
304extern struct req_msg_field RMF_RCS;
305extern struct req_msg_field RMF_FIEMAP_KEY;
306extern struct req_msg_field RMF_FIEMAP_VAL;
307extern struct req_msg_field RMF_OST_ID;
308
309/* MGS config read message format */
310extern struct req_msg_field RMF_MGS_CONFIG_BODY;
311extern struct req_msg_field RMF_MGS_CONFIG_RES;
312
313/* generic uint32 */
314extern struct req_msg_field RMF_U32;
315
d7e09d03
PT		 316/** @} req_layout */
317
318#endif /* _LUSTRE_REQ_LAYOUT_H__ */
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