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;
50 void ptlrpc_request_handle_notconn(struct ptlrpc_request *);
51 void lustre_assert_wire_constants(void);
52 int ptlrpc_import_in_recovery(struct obd_import *imp);
53 int ptlrpc_set_import_discon(struct obd_import *imp, __u32 conn_cnt);
54 void ptlrpc_handle_failed_import(struct obd_import *imp);
55 int ptlrpc_replay_next(struct obd_import *imp, int *inflight);
56 void ptlrpc_initiate_recovery(struct obd_import *imp);
58 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset);
59 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset);
62 void ptlrpc_lprocfs_register_service(struct proc_dir_entry *proc_entry,
63 struct ptlrpc_service *svc);
64 void ptlrpc_lprocfs_unregister_service(struct ptlrpc_service *svc);
65 void ptlrpc_lprocfs_rpc_sent(struct ptlrpc_request *req);
66 void ptlrpc_lprocfs_do_request_stat (struct ptlrpc_request *req,
67 long q_usec, long work_usec);
69 #define ptlrpc_lprocfs_register_service(params...) do{}while(0)
70 #define ptlrpc_lprocfs_unregister_service(params...) do{}while(0)
71 #define ptlrpc_lprocfs_rpc_sent(params...) do{}while(0)
72 #define ptlrpc_lprocfs_do_request_stat(params...) do{}while(0)
77 int ptlrpc_expire_one_request(struct ptlrpc_request *req);
80 void ptlrpc_fill_bulk_md(lnet_md_t *md, struct ptlrpc_bulk_desc *desc);
81 void ptlrpc_add_bulk_page(struct ptlrpc_bulk_desc *desc, cfs_page_t *page,
82 int pageoffset, int len);
83 void ptl_rpc_wipe_bulk_pages(struct ptlrpc_bulk_desc *desc);
86 struct ptlrpc_reply_state *lustre_get_emerg_rs(struct ptlrpc_service *svc);
87 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs);
90 int ptlrpc_start_pinger(void);
91 int ptlrpc_stop_pinger(void);
92 void ptlrpc_pinger_sending_on_import(struct obd_import *imp);
93 void ptlrpc_pinger_wake_up(void);
94 void ptlrpc_ping_import_soon(struct obd_import *imp);
96 int ping_evictor_wake(struct obd_export *exp);
98 #define ping_evictor_wake(exp) 1
102 int sptlrpc_null_init(void);
103 void sptlrpc_null_fini(void);
106 int sptlrpc_plain_init(void);
107 void sptlrpc_plain_fini(void);
110 int sptlrpc_enc_pool_init(void);
111 void sptlrpc_enc_pool_fini(void);
112 int sptlrpc_proc_read_enc_pool(char *page, char **start, off_t off, int count,
113 int *eof, void *data);
116 int sptlrpc_lproc_init(void);
117 void sptlrpc_lproc_fini(void);
120 int sptlrpc_gc_start_thread(void);
121 void sptlrpc_gc_stop_thread(void);
124 int __init sptlrpc_init(void);
125 void __exit sptlrpc_fini(void);
128 int llog_recov_init(void);
129 void llog_recov_fini(void);
131 static inline int ll_rpc_recoverable_error(int rc)
133 return (rc == -ENOTCONN || rc == -ENODEV);
135 #endif /* PTLRPC_INTERNAL_H */