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Merge remote-tracking branch 'staging/staging-next'
[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_CONNECT;
153extern struct req_format RQF_MDS_DISCONNECT;
154extern struct req_format RQF_MDS_GET_INFO;
155extern struct req_format RQF_MDS_READPAGE;
156extern struct req_format RQF_MDS_WRITEPAGE;
d7e09d03
PT		 157extern struct req_format RQF_MDS_DONE_WRITING;
158extern struct req_format RQF_MDS_REINT;
159extern struct req_format RQF_MDS_REINT_CREATE;
341f1f0a 160extern struct req_format RQF_MDS_REINT_CREATE_ACL;
d7e09d03
PT		 161extern struct req_format RQF_MDS_REINT_CREATE_SLAVE;
162extern struct req_format RQF_MDS_REINT_CREATE_SYM;
163extern struct req_format RQF_MDS_REINT_OPEN;
164extern struct req_format RQF_MDS_REINT_UNLINK;
165extern struct req_format RQF_MDS_REINT_LINK;
166extern struct req_format RQF_MDS_REINT_RENAME;
167extern struct req_format RQF_MDS_REINT_SETATTR;
168extern struct req_format RQF_MDS_REINT_SETXATTR;
169extern struct req_format RQF_MDS_QUOTACHECK;
170extern struct req_format RQF_MDS_QUOTACTL;
171extern struct req_format RQF_QC_CALLBACK;
d7e09d03
PT		 172extern struct req_format RQF_MDS_SWAP_LAYOUTS;
173/* MDS hsm formats */
174extern struct req_format RQF_MDS_HSM_STATE_GET;
175extern struct req_format RQF_MDS_HSM_STATE_SET;
176extern struct req_format RQF_MDS_HSM_ACTION;
177extern struct req_format RQF_MDS_HSM_PROGRESS;
178extern struct req_format RQF_MDS_HSM_CT_REGISTER;
179extern struct req_format RQF_MDS_HSM_CT_UNREGISTER;
180extern struct req_format RQF_MDS_HSM_REQUEST;
181/* OST req_format */
182extern struct req_format RQF_OST_CONNECT;
183extern struct req_format RQF_OST_DISCONNECT;
184extern struct req_format RQF_OST_QUOTACHECK;
185extern struct req_format RQF_OST_QUOTACTL;
186extern struct req_format RQF_OST_GETATTR;
187extern struct req_format RQF_OST_SETATTR;
188extern struct req_format RQF_OST_CREATE;
189extern struct req_format RQF_OST_PUNCH;
190extern struct req_format RQF_OST_SYNC;
191extern struct req_format RQF_OST_DESTROY;
192extern struct req_format RQF_OST_BRW_READ;
193extern struct req_format RQF_OST_BRW_WRITE;
194extern struct req_format RQF_OST_STATFS;
195extern struct req_format RQF_OST_SET_GRANT_INFO;
45fe5b13 196extern struct req_format RQF_OST_GET_INFO;
d7e09d03
PT		 197extern struct req_format RQF_OST_GET_INFO_LAST_ID;
198extern struct req_format RQF_OST_GET_INFO_LAST_FID;
199extern struct req_format RQF_OST_SET_INFO_LAST_FID;
200extern struct req_format RQF_OST_GET_INFO_FIEMAP;
201
202/* LDLM req_format */
203extern struct req_format RQF_LDLM_ENQUEUE;
204extern struct req_format RQF_LDLM_ENQUEUE_LVB;
205extern struct req_format RQF_LDLM_CONVERT;
206extern struct req_format RQF_LDLM_INTENT;
207extern struct req_format RQF_LDLM_INTENT_BASIC;
208extern struct req_format RQF_LDLM_INTENT_LAYOUT;
209extern struct req_format RQF_LDLM_INTENT_GETATTR;
210extern struct req_format RQF_LDLM_INTENT_OPEN;
211extern struct req_format RQF_LDLM_INTENT_CREATE;
212extern struct req_format RQF_LDLM_INTENT_UNLINK;
7fc1f831 213extern struct req_format RQF_LDLM_INTENT_GETXATTR;
d7e09d03
PT		 214extern struct req_format RQF_LDLM_CANCEL;
215extern struct req_format RQF_LDLM_CALLBACK;
216extern struct req_format RQF_LDLM_CP_CALLBACK;
217extern struct req_format RQF_LDLM_BL_CALLBACK;
218extern struct req_format RQF_LDLM_GL_CALLBACK;
219extern struct req_format RQF_LDLM_GL_DESC_CALLBACK;
220/* LOG req_format */
221extern struct req_format RQF_LOG_CANCEL;
222extern struct req_format RQF_LLOG_ORIGIN_HANDLE_CREATE;
223extern struct req_format RQF_LLOG_ORIGIN_HANDLE_DESTROY;
224extern struct req_format RQF_LLOG_ORIGIN_HANDLE_NEXT_BLOCK;
225extern struct req_format RQF_LLOG_ORIGIN_HANDLE_PREV_BLOCK;
226extern struct req_format RQF_LLOG_ORIGIN_HANDLE_READ_HEADER;
227extern struct req_format RQF_LLOG_ORIGIN_CONNECT;
228
65f1c781
MP		 229extern struct req_format RQF_CONNECT;
230
d7e09d03
PT		 231extern struct req_msg_field RMF_GENERIC_DATA;
232extern struct req_msg_field RMF_PTLRPC_BODY;
233extern struct req_msg_field RMF_MDT_BODY;
234extern struct req_msg_field RMF_MDT_EPOCH;
235extern struct req_msg_field RMF_OBD_STATFS;
236extern struct req_msg_field RMF_NAME;
237extern struct req_msg_field RMF_SYMTGT;
238extern struct req_msg_field RMF_TGTUUID;
239extern struct req_msg_field RMF_CLUUID;
240extern struct req_msg_field RMF_SETINFO_VAL;
241extern struct req_msg_field RMF_SETINFO_KEY;
242extern struct req_msg_field RMF_GETINFO_VAL;
243extern struct req_msg_field RMF_GETINFO_VALLEN;
244extern struct req_msg_field RMF_GETINFO_KEY;
48d23e61 245extern struct req_msg_field RMF_CLOSE_DATA;
d7e09d03
PT		 246
247/*
248 * connection handle received in MDS_CONNECT request.
249 */
250extern struct req_msg_field RMF_CONN;
251extern struct req_msg_field RMF_CONNECT_DATA;
252extern struct req_msg_field RMF_DLM_REQ;
253extern struct req_msg_field RMF_DLM_REP;
254extern struct req_msg_field RMF_DLM_LVB;
255extern struct req_msg_field RMF_DLM_GL_DESC;
256extern struct req_msg_field RMF_LDLM_INTENT;
257extern struct req_msg_field RMF_LAYOUT_INTENT;
258extern struct req_msg_field RMF_MDT_MD;
259extern struct req_msg_field RMF_REC_REINT;
260extern struct req_msg_field RMF_EADATA;
7fc1f831
AP		 261extern struct req_msg_field RMF_EAVALS;
262extern struct req_msg_field RMF_EAVALS_LENS;
d7e09d03
PT		 263extern struct req_msg_field RMF_ACL;
264extern struct req_msg_field RMF_LOGCOOKIES;
265extern struct req_msg_field RMF_CAPA1;
266extern struct req_msg_field RMF_CAPA2;
267extern struct req_msg_field RMF_OBD_QUOTACHECK;
268extern struct req_msg_field RMF_OBD_QUOTACTL;
d7e09d03
PT		 269extern struct req_msg_field RMF_STRING;
270extern struct req_msg_field RMF_SWAP_LAYOUTS;
271extern struct req_msg_field RMF_MDS_HSM_PROGRESS;
272extern struct req_msg_field RMF_MDS_HSM_REQUEST;
273extern struct req_msg_field RMF_MDS_HSM_USER_ITEM;
274extern struct req_msg_field RMF_MDS_HSM_ARCHIVE;
275extern struct req_msg_field RMF_HSM_USER_STATE;
276extern struct req_msg_field RMF_HSM_STATE_SET;
277extern struct req_msg_field RMF_MDS_HSM_CURRENT_ACTION;
278extern struct req_msg_field RMF_MDS_HSM_REQUEST;
279
280/* seq-mgr fields */
281extern struct req_msg_field RMF_SEQ_OPC;
282extern struct req_msg_field RMF_SEQ_RANGE;
283extern struct req_msg_field RMF_FID_SPACE;
284
285/* FLD fields */
286extern struct req_msg_field RMF_FLD_OPC;
287extern struct req_msg_field RMF_FLD_MDFLD;
288
289extern struct req_msg_field RMF_LLOGD_BODY;
290extern struct req_msg_field RMF_LLOG_LOG_HDR;
291extern struct req_msg_field RMF_LLOGD_CONN_BODY;
292
293extern struct req_msg_field RMF_MGS_TARGET_INFO;
294extern struct req_msg_field RMF_MGS_SEND_PARAM;
295
296extern struct req_msg_field RMF_OST_BODY;
297extern struct req_msg_field RMF_OBD_IOOBJ;
298extern struct req_msg_field RMF_OBD_ID;
299extern struct req_msg_field RMF_FID;
300extern struct req_msg_field RMF_NIOBUF_REMOTE;
301extern struct req_msg_field RMF_RCS;
302extern struct req_msg_field RMF_FIEMAP_KEY;
303extern struct req_msg_field RMF_FIEMAP_VAL;
304extern struct req_msg_field RMF_OST_ID;
305
306/* MGS config read message format */
307extern struct req_msg_field RMF_MGS_CONFIG_BODY;
308extern struct req_msg_field RMF_MGS_CONFIG_RES;
309
310/* generic uint32 */
311extern struct req_msg_field RMF_U32;
312
d7e09d03
PT		 313/** @} req_layout */
314
315#endif /* _LUSTRE_REQ_LAYOUT_H__ */
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