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27 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
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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 int ptlrpcd_start(int index, int max, const char *name, struct ptlrpcd_ctl *pc);
54 struct ptlrpc_bulk_desc *new_bulk(int npages, int type, int portal);
55 void ptlrpc_init_xid(void);
58 int ptlrpc_init_portals(void);
59 void ptlrpc_exit_portals(void);
61 void ptlrpc_request_handle_notconn(struct ptlrpc_request *);
62 void lustre_assert_wire_constants(void);
63 int ptlrpc_import_in_recovery(struct obd_import *imp);
64 int ptlrpc_set_import_discon(struct obd_import *imp, __u32 conn_cnt);
65 void ptlrpc_handle_failed_import(struct obd_import *imp);
66 int ptlrpc_replay_next(struct obd_import *imp, int *inflight);
67 void ptlrpc_initiate_recovery(struct obd_import *imp);
69 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset);
70 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset);
73 void ptlrpc_lprocfs_register_service(struct proc_dir_entry *proc_entry,
74 struct ptlrpc_service *svc);
75 void ptlrpc_lprocfs_unregister_service(struct ptlrpc_service *svc);
76 void ptlrpc_lprocfs_rpc_sent(struct ptlrpc_request *req, long amount);
77 void ptlrpc_lprocfs_do_request_stat (struct ptlrpc_request *req,
78 long q_usec, long work_usec);
80 #define ptlrpc_lprocfs_register_service(params...) do{}while(0)
81 #define ptlrpc_lprocfs_unregister_service(params...) do{}while(0)
82 #define ptlrpc_lprocfs_rpc_sent(params...) do{}while(0)
83 #define ptlrpc_lprocfs_do_request_stat(params...) do{}while(0)
88 int ptlrpc_expire_one_request(struct ptlrpc_request *req, int async_unlink);
91 void ptlrpc_fill_bulk_md(lnet_md_t *md, struct ptlrpc_bulk_desc *desc);
92 void ptlrpc_add_bulk_page(struct ptlrpc_bulk_desc *desc, cfs_page_t *page,
93 int pageoffset, int len);
96 struct ptlrpc_reply_state *lustre_get_emerg_rs(struct ptlrpc_service *svc);
97 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs);
100 int ptlrpc_start_pinger(void);
101 int ptlrpc_stop_pinger(void);
102 void ptlrpc_pinger_sending_on_import(struct obd_import *imp);
103 void ptlrpc_pinger_commit_expected(struct obd_import *imp);
104 void ptlrpc_pinger_wake_up(void);
105 void ptlrpc_ping_import_soon(struct obd_import *imp);
107 int ping_evictor_wake(struct obd_export *exp);
109 #define ping_evictor_wake(exp) 1
113 int sptlrpc_null_init(void);
114 void sptlrpc_null_fini(void);
117 int sptlrpc_plain_init(void);
118 void sptlrpc_plain_fini(void);
121 int sptlrpc_enc_pool_init(void);
122 void sptlrpc_enc_pool_fini(void);
123 int sptlrpc_proc_read_enc_pool(char *page, char **start, off_t off, int count,
124 int *eof, void *data);
127 int sptlrpc_lproc_init(void);
128 void sptlrpc_lproc_fini(void);
131 int sptlrpc_gc_init(void);
132 void sptlrpc_gc_fini(void);
135 void sptlrpc_conf_choose_flavor(enum lustre_sec_part from,
136 enum lustre_sec_part to,
137 struct obd_uuid *target,
139 struct sptlrpc_flavor *sf);
140 int sptlrpc_conf_init(void);
141 void sptlrpc_conf_fini(void);
144 int sptlrpc_init(void);
145 void sptlrpc_fini(void);
148 int llog_recov_init(void);
149 void llog_recov_fini(void);
151 static inline int ll_rpc_recoverable_error(int rc)
153 return (rc == -ENOTCONN || rc == -ENODEV);
156 #ifdef HAVE_SERVER_SUPPORT
158 int lut_mod_init(void);
159 void lut_mod_exit(void);
161 static inline int lut_mod_init(void)
166 static inline void lut_mod_exit(void)
172 static inline void ptlrpc_reqset_put(struct ptlrpc_request_set *set)
174 if (cfs_atomic_dec_and_test(&set->set_refcount))
177 #endif /* PTLRPC_INTERNAL_H */