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index a84a29c..efa11e5 100644 (file)
@@ -3,20 +3,23 @@
  *
  *  Copyright (C) 2003 Cluster File Systems, Inc.
  *
- *   This file is part of Lustre, http://www.lustre.org.
+ *   This file is part of the Lustre file system, http://www.lustre.org
+ *   Lustre is a trademark of Cluster File Systems, Inc.
  *
- *   Lustre is free software; you can redistribute it and/or
- *   modify it under the terms of version 2 of the GNU General Public
- *   License as published by the Free Software Foundation.
+ *   You may have signed or agreed to another license before downloading
+ *   this software.  If so, you are bound by the terms and conditions
+ *   of that agreement, and the following does not apply to you.  See the
+ *   LICENSE file included with this distribution for more information.
  *
- *   Lustre is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
+ *   If you did not agree to a different license, then this copy of Lustre
+ *   is open source software; you can redistribute it and/or modify it
+ *   under the terms of version 2 of the GNU General Public License as
+ *   published by the Free Software Foundation.
  *
- *   You should have received a copy of the GNU General Public License
- *   along with Lustre; if not, write to the Free Software
- *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *   In either case, Lustre is distributed in the hope that it will be
+ *   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+ *   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   license text for more details.
  *
  */
 
 #ifndef PTLRPC_INTERNAL_H
 #define PTLRPC_INTERNAL_H
 
+#include "../ldlm/ldlm_internal.h"
+
 struct ldlm_namespace;
 struct obd_import;
 struct ldlm_res_id;
 struct ptlrpc_request_set;
-
-/* ldlm hooks that we need, managed via inter_module_{get,put} */
-extern int (*ptlrpc_ldlm_namespace_cleanup)(struct ldlm_namespace *, int);
-extern int (*ptlrpc_ldlm_cli_cancel_unused)(struct ldlm_namespace *,
-                                            struct ldlm_res_id *, int);
-extern int (*ptlrpc_ldlm_replay_locks)(struct obd_import *);
-
-int ptlrpc_get_ldlm_hooks(void);
-void ptlrpc_daemonize(void);
+extern int test_req_buffer_pressure;
 
 void ptlrpc_request_handle_notconn(struct ptlrpc_request *);
 void lustre_assert_wire_constants(void);
+int ptlrpc_import_in_recovery(struct obd_import *imp);
+int ptlrpc_set_import_discon(struct obd_import *imp, __u32 conn_cnt);
+void ptlrpc_handle_failed_import(struct obd_import *imp);
+int ptlrpc_replay_next(struct obd_import *imp, int *inflight);
+void ptlrpc_initiate_recovery(struct obd_import *imp);
+
+int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset);
+int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset);
 
-void ptlrpc_lprocfs_register_service(struct obd_device *obddev,
+
+#ifdef LPROCFS
+void ptlrpc_lprocfs_register_service(struct proc_dir_entry *proc_entry,
                                      struct ptlrpc_service *svc);
 void ptlrpc_lprocfs_unregister_service(struct ptlrpc_service *svc);
+void ptlrpc_lprocfs_rpc_sent(struct ptlrpc_request *req);
+void ptlrpc_lprocfs_do_request_stat (struct ptlrpc_request *req,
+                                     long q_usec, long work_usec);
+#else
+#define ptlrpc_lprocfs_register_service(params...) do{}while(0)
+#define ptlrpc_lprocfs_unregister_service(params...) do{}while(0)
+#define ptlrpc_lprocfs_rpc_sent(params...) do{}while(0)
+#define ptlrpc_lprocfs_do_request_stat(params...) do{}while(0)
+#endif /* LPROCFS */
 
 /* recovd_thread.c */
 int llog_init_commit_master(void);
@@ -63,16 +79,54 @@ static inline int opcode_offset(__u32 opc) {
                 return (opc - LDLM_FIRST_OPC +
                         (MDS_LAST_OPC - MDS_FIRST_OPC) +
                         (OST_LAST_OPC - OST_FIRST_OPC));
-        } else if (opc < PTLBD_LAST_OPC) {
-                /* Portals Block Device */
-                return (opc - PTLBD_FIRST_OPC +
+        } else if (opc < MGS_LAST_OPC) {
+                /* MGS Opcode */
+                return (opc - MGS_FIRST_OPC +
                         (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
                         (MDS_LAST_OPC - MDS_FIRST_OPC) +
                         (OST_LAST_OPC - OST_FIRST_OPC));
         } else if (opc < OBD_LAST_OPC) {
                 /* OBD Ping */
                 return (opc - OBD_FIRST_OPC +
-                        (PTLBD_LAST_OPC - PTLBD_FIRST_OPC) +
+                        (MGS_LAST_OPC - MGS_FIRST_OPC) +
+                        (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
+                        (MDS_LAST_OPC - MDS_FIRST_OPC) +
+                        (OST_LAST_OPC - OST_FIRST_OPC));
+        } else if (opc < LLOG_LAST_OPC) {
+                /* LLOG opcode */
+                return (opc - LLOG_FIRST_OPC +
+                        (OBD_LAST_OPC - OBD_FIRST_OPC) +
+                        (MGS_LAST_OPC - MGS_FIRST_OPC) +
+                        (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
+                        (MDS_LAST_OPC - MDS_FIRST_OPC) +
+                        (OST_LAST_OPC - OST_FIRST_OPC));
+        } else if (opc < FLD_LAST_OPC) {
+                /* FLD opcode */
+                return (opc - FLD_FIRST_OPC +
+                        (LLOG_LAST_OPC - LLOG_FIRST_OPC) +
+                        (OBD_LAST_OPC - OBD_FIRST_OPC) +
+                        (MGS_LAST_OPC - MGS_FIRST_OPC) +
+                        (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
+                        (MDS_LAST_OPC - MDS_FIRST_OPC) +
+                        (OST_LAST_OPC - OST_FIRST_OPC));
+        } else if (opc < SEQ_LAST_OPC) {
+                /* SEQ opcode */
+                return (opc - SEQ_FIRST_OPC +
+                        (FLD_LAST_OPC - FLD_FIRST_OPC) +
+                        (LLOG_LAST_OPC - LLOG_FIRST_OPC) +
+                        (OBD_LAST_OPC - OBD_FIRST_OPC) +
+                        (MGS_LAST_OPC - MGS_FIRST_OPC) +
+                        (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
+                        (MDS_LAST_OPC - MDS_FIRST_OPC) +
+                        (OST_LAST_OPC - OST_FIRST_OPC));
+        } else if (opc < SEC_LAST_OPC) {
+                /* SEC opcode */
+                return (opc - SEC_FIRST_OPC +
+                        (SEQ_LAST_OPC - SEQ_FIRST_OPC) +
+                        (FLD_LAST_OPC - FLD_FIRST_OPC) +
+                        (LLOG_LAST_OPC - LLOG_FIRST_OPC) +
+                        (OBD_LAST_OPC - OBD_FIRST_OPC) +
+                        (MGS_LAST_OPC - MGS_FIRST_OPC) +
                         (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
                         (MDS_LAST_OPC - MDS_FIRST_OPC) +
                         (OST_LAST_OPC - OST_FIRST_OPC));
@@ -82,21 +136,76 @@ static inline int opcode_offset(__u32 opc) {
         }
 }
 
-#define LUSTRE_MAX_OPCODES ((PTLBD_LAST_OPC - PTLBD_FIRST_OPC) + \
-                            (LDLM_LAST_OPC - LDLM_FIRST_OPC)   + \
+#define LUSTRE_MAX_OPCODES ((LDLM_LAST_OPC - LDLM_FIRST_OPC)   + \
                             (MDS_LAST_OPC - MDS_FIRST_OPC)     + \
                             (OST_LAST_OPC - OST_FIRST_OPC)     + \
-                            (OBD_LAST_OPC - OBD_FIRST_OPC))
-
+                            (OBD_LAST_OPC - OBD_FIRST_OPC)     + \
+                            (FLD_LAST_OPC - FLD_FIRST_OPC)     + \
+                            (SEQ_LAST_OPC - SEQ_FIRST_OPC)     + \
+                            (MGS_LAST_OPC - MGS_FIRST_OPC)     + \
+                            (LLOG_LAST_OPC - LLOG_FIRST_OPC)   + \
+                            (SEC_LAST_OPC - SEC_FIRST_OPC))
 enum {
-        PTLRPC_REQWAIT_CNTR     = 0,
-        PTLRPC_SVCIDLETIME_CNTR = 1,
-        //PTLRPC_SVCEQDEPTH_CNTR,
+        PTLRPC_REQWAIT_CNTR = 0,
+        PTLRPC_REQQDEPTH_CNTR,
+        PTLRPC_REQACTIVE_CNTR,
+        PTLRPC_REQBUF_AVAIL_CNTR,
         PTLRPC_LAST_CNTR
 };
 
 int ptlrpc_expire_one_request(struct ptlrpc_request *req);
-int ptlrpc_check_set(struct ptlrpc_request_set *set);
 
+/* pers.c */
+void ptlrpc_fill_bulk_md(lnet_md_t *md, struct ptlrpc_bulk_desc *desc);
+void ptlrpc_add_bulk_page(struct ptlrpc_bulk_desc *desc, cfs_page_t *page,
+                          int pageoffset, int len);
+void ptl_rpc_wipe_bulk_pages(struct ptlrpc_bulk_desc *desc);
+
+/* pack_generic.c */
+struct ptlrpc_reply_state *lustre_get_emerg_rs(struct ptlrpc_service *svc);
+void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs);
+
+/* pinger.c */
+int ptlrpc_start_pinger(void);
+int ptlrpc_stop_pinger(void);
 void ptlrpc_pinger_sending_on_import(struct obd_import *imp);
+void ptlrpc_pinger_wake_up(void);
+void ptlrpc_ping_import_soon(struct obd_import *imp);
+#ifdef __KERNEL__
+int ping_evictor_wake(struct obd_export *exp);
+#else
+#define ping_evictor_wake(exp)     1
+#endif
+
+/* sec_null.c */
+int  sptlrpc_null_init(void);
+void sptlrpc_null_fini(void);
+
+/* sec_plain.c */
+int  sptlrpc_plain_init(void);
+void sptlrpc_plain_fini(void);
+
+/* sec_bulk.c */
+int  sptlrpc_enc_pool_init(void);
+void sptlrpc_enc_pool_fini(void);
+int sptlrpc_proc_read_enc_pool(char *page, char **start, off_t off, int count,
+                               int *eof, void *data);
+const char * sptlrpc_bulk_csum_alg2name(__u32 csum_alg);
+
+/* sec_lproc.c */
+int  sptlrpc_lproc_init(void);
+void sptlrpc_lproc_fini(void);
+
+/* sec_gc.c */
+int sptlrpc_gc_start_thread(void);
+void sptlrpc_gc_stop_thread(void);
+
+/* sec.c */
+int  __init sptlrpc_init(void);
+void __exit sptlrpc_fini(void);
+
+static inline int ll_rpc_recoverable_error(int rc)
+{ 
+        return (rc == -ENOTCONN || rc == -ENODEV);
+}
 #endif /* PTLRPC_INTERNAL_H */