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 (c) 2003, 2010, Oracle and/or its affiliates. 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;
49 extern cfs_mem_cache_t *ptlrpc_cbdata_slab;
52 void ptlrpc_init_xid(void);
55 int ptlrpc_init_portals(void);
56 void ptlrpc_exit_portals(void);
58 void ptlrpc_request_handle_notconn(struct ptlrpc_request *);
59 void lustre_assert_wire_constants(void);
60 int ptlrpc_import_in_recovery(struct obd_import *imp);
61 int ptlrpc_set_import_discon(struct obd_import *imp, __u32 conn_cnt);
62 void ptlrpc_handle_failed_import(struct obd_import *imp);
63 int ptlrpc_replay_next(struct obd_import *imp, int *inflight);
64 void ptlrpc_initiate_recovery(struct obd_import *imp);
66 int lustre_msg_need_swab(struct lustre_msg *msg);
67 int lustre_unpack_msg_ptlrpc_body(struct lustre_msg *msg, int offset, int swab);
68 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset);
69 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset);
72 void ptlrpc_lprocfs_register_service(struct proc_dir_entry *proc_entry,
73 struct ptlrpc_service *svc);
74 void ptlrpc_lprocfs_unregister_service(struct ptlrpc_service *svc);
75 void ptlrpc_lprocfs_rpc_sent(struct ptlrpc_request *req, long amount);
76 void ptlrpc_lprocfs_do_request_stat (struct ptlrpc_request *req,
77 long q_usec, long work_usec);
79 #define ptlrpc_lprocfs_register_service(params...) do{}while(0)
80 #define ptlrpc_lprocfs_unregister_service(params...) do{}while(0)
81 #define ptlrpc_lprocfs_rpc_sent(params...) do{}while(0)
82 #define ptlrpc_lprocfs_do_request_stat(params...) do{}while(0)
86 int ptlrpc_expire_one_request(struct ptlrpc_request *req, int async_unlink);
89 void ptlrpc_fill_bulk_md(lnet_md_t *md, struct ptlrpc_bulk_desc *desc);
90 void ptlrpc_add_bulk_page(struct ptlrpc_bulk_desc *desc, cfs_page_t *page,
91 int pageoffset, int len);
94 int ptlrpc_start_pinger(void);
95 int ptlrpc_stop_pinger(void);
96 void ptlrpc_pinger_sending_on_import(struct obd_import *imp);
97 void ptlrpc_pinger_commit_expected(struct obd_import *imp);
98 void ptlrpc_pinger_wake_up(void);
101 int llog_recov_init(void);
102 void llog_recov_fini(void);
104 static inline int ll_rpc_recoverable_error(int rc)
106 return (rc == -ENOTCONN || rc == -ENODEV);
108 #endif /* PTLRPC_INTERNAL_H */