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.
37 /* Intramodule declarations for ptlrpc. */
39 #ifndef PTLRPC_INTERNAL_H
40 #define PTLRPC_INTERNAL_H
42 #include "../ldlm/ldlm_internal.h"
44 struct ldlm_namespace;
47 struct ptlrpc_request_set;
48 extern int test_req_buffer_pressure;
51 void ptlrpc_init_xid(void);
54 int ptlrpc_init_portals(void);
55 void ptlrpc_exit_portals(void);
57 void ptlrpc_request_handle_notconn(struct ptlrpc_request *);
58 void lustre_assert_wire_constants(void);
59 int ptlrpc_import_in_recovery(struct obd_import *imp);
60 int ptlrpc_set_import_discon(struct obd_import *imp, __u32 conn_cnt);
61 void ptlrpc_handle_failed_import(struct obd_import *imp);
62 int ptlrpc_replay_next(struct obd_import *imp, int *inflight);
63 void ptlrpc_initiate_recovery(struct obd_import *imp);
65 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset);
66 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset);
69 void ptlrpc_lprocfs_register_service(struct proc_dir_entry *proc_entry,
70 struct ptlrpc_service *svc);
71 void ptlrpc_lprocfs_unregister_service(struct ptlrpc_service *svc);
72 void ptlrpc_lprocfs_rpc_sent(struct ptlrpc_request *req);
73 void ptlrpc_lprocfs_do_request_stat (struct ptlrpc_request *req,
74 long q_usec, long work_usec);
76 #define ptlrpc_lprocfs_register_service(params...) do{}while(0)
77 #define ptlrpc_lprocfs_unregister_service(params...) do{}while(0)
78 #define ptlrpc_lprocfs_rpc_sent(params...) do{}while(0)
79 #define ptlrpc_lprocfs_do_request_stat(params...) do{}while(0)
84 int ptlrpc_expire_one_request(struct ptlrpc_request *req, int async_unlink);
87 void ptlrpc_fill_bulk_md(lnet_md_t *md, struct ptlrpc_bulk_desc *desc);
88 void ptlrpc_add_bulk_page(struct ptlrpc_bulk_desc *desc, cfs_page_t *page,
89 int pageoffset, int len);
90 void ptl_rpc_wipe_bulk_pages(struct ptlrpc_bulk_desc *desc);
93 struct ptlrpc_reply_state *lustre_get_emerg_rs(struct ptlrpc_service *svc);
94 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs);
97 int ptlrpc_start_pinger(void);
98 int ptlrpc_stop_pinger(void);
99 void ptlrpc_pinger_sending_on_import(struct obd_import *imp);
100 void ptlrpc_pinger_wake_up(void);
101 void ptlrpc_ping_import_soon(struct obd_import *imp);
103 int ping_evictor_wake(struct obd_export *exp);
105 #define ping_evictor_wake(exp) 1
109 int sptlrpc_null_init(void);
110 void sptlrpc_null_fini(void);
113 int sptlrpc_plain_init(void);
114 void sptlrpc_plain_fini(void);
117 int sptlrpc_enc_pool_init(void);
118 void sptlrpc_enc_pool_fini(void);
119 int sptlrpc_proc_read_enc_pool(char *page, char **start, off_t off, int count,
120 int *eof, void *data);
123 int sptlrpc_lproc_init(void);
124 void sptlrpc_lproc_fini(void);
127 int sptlrpc_gc_start_thread(void);
128 void sptlrpc_gc_stop_thread(void);
131 int __init sptlrpc_init(void);
132 void __exit sptlrpc_fini(void);
135 int llog_recov_init(void);
136 void llog_recov_fini(void);
138 static inline int ll_rpc_recoverable_error(int rc)
140 return (rc == -ENOTCONN || rc == -ENODEV);
142 #endif /* PTLRPC_INTERNAL_H */