1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (C) 2003 Cluster File Systems, Inc.
6 * This file is part of the Lustre file system, http://www.lustre.org
7 * Lustre is a trademark of Cluster File Systems, Inc.
9 * You may have signed or agreed to another license before downloading
10 * this software. If so, you are bound by the terms and conditions
11 * of that agreement, and the following does not apply to you. See the
12 * LICENSE file included with this distribution for more information.
14 * If you did not agree to a different license, then this copy of Lustre
15 * is open source software; you can redistribute it and/or modify it
16 * under the terms of version 2 of the GNU General Public License as
17 * published by the Free Software Foundation.
19 * In either case, Lustre is distributed in the hope that it will be
20 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
21 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * license text for more details.
26 /* Intramodule declarations for ptlrpc. */
28 #ifndef PTLRPC_INTERNAL_H
29 #define PTLRPC_INTERNAL_H
31 #include "../ldlm/ldlm_internal.h"
33 struct ldlm_namespace;
36 struct ptlrpc_request_set;
37 extern int test_req_buffer_pressure;
39 void ptlrpc_request_handle_notconn(struct ptlrpc_request *);
40 void lustre_assert_wire_constants(void);
41 int ptlrpc_import_in_recovery(struct obd_import *imp);
42 int ptlrpc_set_import_discon(struct obd_import *imp, __u32 conn_cnt);
43 void ptlrpc_handle_failed_import(struct obd_import *imp);
44 int ptlrpc_replay_next(struct obd_import *imp, int *inflight);
45 void ptlrpc_initiate_recovery(struct obd_import *imp);
47 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset);
48 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset);
52 void ptlrpc_lprocfs_register_service(struct proc_dir_entry *proc_entry,
53 struct ptlrpc_service *svc);
54 void ptlrpc_lprocfs_unregister_service(struct ptlrpc_service *svc);
55 void ptlrpc_lprocfs_rpc_sent(struct ptlrpc_request *req);
56 void ptlrpc_lprocfs_do_request_stat (struct ptlrpc_request *req,
57 long q_usec, long work_usec);
59 #define ptlrpc_lprocfs_register_service(params...) do{}while(0)
60 #define ptlrpc_lprocfs_unregister_service(params...) do{}while(0)
61 #define ptlrpc_lprocfs_rpc_sent(params...) do{}while(0)
62 #define ptlrpc_lprocfs_do_request_stat(params...) do{}while(0)
66 int llog_init_commit_master(void);
67 int llog_cleanup_commit_master(int force);
69 static inline int opcode_offset(__u32 opc) {
70 if (opc < OST_LAST_OPC) {
72 return (opc - OST_FIRST_OPC);
73 } else if (opc < MDS_LAST_OPC) {
75 return (opc - MDS_FIRST_OPC +
76 (OST_LAST_OPC - OST_FIRST_OPC));
77 } else if (opc < LDLM_LAST_OPC) {
79 return (opc - LDLM_FIRST_OPC +
80 (MDS_LAST_OPC - MDS_FIRST_OPC) +
81 (OST_LAST_OPC - OST_FIRST_OPC));
82 } else if (opc < MGS_LAST_OPC) {
84 return (opc - MGS_FIRST_OPC +
85 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
86 (MDS_LAST_OPC - MDS_FIRST_OPC) +
87 (OST_LAST_OPC - OST_FIRST_OPC));
88 } else if (opc < OBD_LAST_OPC) {
90 return (opc - OBD_FIRST_OPC +
91 (MGS_LAST_OPC - MGS_FIRST_OPC) +
92 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
93 (MDS_LAST_OPC - MDS_FIRST_OPC) +
94 (OST_LAST_OPC - OST_FIRST_OPC));
95 } else if (opc < LLOG_LAST_OPC) {
97 return (opc - LLOG_FIRST_OPC +
98 (OBD_LAST_OPC - OBD_FIRST_OPC) +
99 (MGS_LAST_OPC - MGS_FIRST_OPC) +
100 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
101 (MDS_LAST_OPC - MDS_FIRST_OPC) +
102 (OST_LAST_OPC - OST_FIRST_OPC));
103 } else if (opc < FLD_LAST_OPC) {
105 return (opc - FLD_FIRST_OPC +
106 (LLOG_LAST_OPC - LLOG_FIRST_OPC) +
107 (OBD_LAST_OPC - OBD_FIRST_OPC) +
108 (MGS_LAST_OPC - MGS_FIRST_OPC) +
109 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
110 (MDS_LAST_OPC - MDS_FIRST_OPC) +
111 (OST_LAST_OPC - OST_FIRST_OPC));
112 } else if (opc < SEQ_LAST_OPC) {
114 return (opc - SEQ_FIRST_OPC +
115 (FLD_LAST_OPC - FLD_FIRST_OPC) +
116 (LLOG_LAST_OPC - LLOG_FIRST_OPC) +
117 (OBD_LAST_OPC - OBD_FIRST_OPC) +
118 (MGS_LAST_OPC - MGS_FIRST_OPC) +
119 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
120 (MDS_LAST_OPC - MDS_FIRST_OPC) +
121 (OST_LAST_OPC - OST_FIRST_OPC));
122 } else if (opc < SEC_LAST_OPC) {
124 return (opc - SEC_FIRST_OPC +
125 (SEQ_LAST_OPC - SEQ_FIRST_OPC) +
126 (FLD_LAST_OPC - FLD_FIRST_OPC) +
127 (LLOG_LAST_OPC - LLOG_FIRST_OPC) +
128 (OBD_LAST_OPC - OBD_FIRST_OPC) +
129 (MGS_LAST_OPC - MGS_FIRST_OPC) +
130 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
131 (MDS_LAST_OPC - MDS_FIRST_OPC) +
132 (OST_LAST_OPC - OST_FIRST_OPC));
139 #define LUSTRE_MAX_OPCODES ((LDLM_LAST_OPC - LDLM_FIRST_OPC) + \
140 (MDS_LAST_OPC - MDS_FIRST_OPC) + \
141 (OST_LAST_OPC - OST_FIRST_OPC) + \
142 (OBD_LAST_OPC - OBD_FIRST_OPC) + \
143 (FLD_LAST_OPC - FLD_FIRST_OPC) + \
144 (SEQ_LAST_OPC - SEQ_FIRST_OPC) + \
145 (MGS_LAST_OPC - MGS_FIRST_OPC) + \
146 (LLOG_LAST_OPC - LLOG_FIRST_OPC) + \
147 (SEC_LAST_OPC - SEC_FIRST_OPC))
149 PTLRPC_REQWAIT_CNTR = 0,
150 PTLRPC_REQQDEPTH_CNTR,
151 PTLRPC_REQACTIVE_CNTR,
152 PTLRPC_REQBUF_AVAIL_CNTR,
156 int ptlrpc_expire_one_request(struct ptlrpc_request *req);
159 void ptlrpc_fill_bulk_md(lnet_md_t *md, struct ptlrpc_bulk_desc *desc);
160 void ptlrpc_add_bulk_page(struct ptlrpc_bulk_desc *desc, cfs_page_t *page,
161 int pageoffset, int len);
162 void ptl_rpc_wipe_bulk_pages(struct ptlrpc_bulk_desc *desc);
165 struct ptlrpc_reply_state *lustre_get_emerg_rs(struct ptlrpc_service *svc);
166 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs);
169 int ptlrpc_start_pinger(void);
170 int ptlrpc_stop_pinger(void);
171 void ptlrpc_pinger_sending_on_import(struct obd_import *imp);
172 void ptlrpc_pinger_wake_up(void);
173 void ptlrpc_ping_import_soon(struct obd_import *imp);
175 int ping_evictor_wake(struct obd_export *exp);
177 #define ping_evictor_wake(exp) 1
181 int sptlrpc_null_init(void);
182 void sptlrpc_null_fini(void);
185 int sptlrpc_plain_init(void);
186 void sptlrpc_plain_fini(void);
189 int sptlrpc_enc_pool_init(void);
190 void sptlrpc_enc_pool_fini(void);
191 int sptlrpc_proc_read_enc_pool(char *page, char **start, off_t off, int count,
192 int *eof, void *data);
193 const char * sptlrpc_bulk_csum_alg2name(__u32 csum_alg);
196 int sptlrpc_lproc_init(void);
197 void sptlrpc_lproc_fini(void);
200 int sptlrpc_init(void);
201 void sptlrpc_fini(void);
203 #endif /* PTLRPC_INTERNAL_H */