/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2003 Cluster File Systems, Inc.
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * 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.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * 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.
+ * This program 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * 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.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
/* Intramodule declarations for ptlrpc. */
#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;
+extern int test_req_buffer_pressure;
-/* 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 *);
+/* client.c */
+void ptlrpc_init_xid(void);
-int ptlrpc_get_ldlm_hooks(void);
-void ptlrpc_daemonize(void);
+/* events.c */
+int ptlrpc_init_portals(void);
+void ptlrpc_exit_portals(void);
-int ptlrpc_request_handle_eviction(struct ptlrpc_request *);
-void lustre_assert_wire_constants (void);
+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);
-void ptlrpc_lprocfs_register_service(struct obd_device *obddev,
+int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset);
+int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset);
+
+#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, long amount);
+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 */
-static inline int opcode_offset(__u32 opc) {
- if (opc < OST_LAST_OPC) {
- /* OST opcode */
- return (opc - OST_FIRST_OPC);
- } else if (opc < MDS_LAST_OPC) {
- /* MDS opcode */
- return (opc - MDS_FIRST_OPC +
- (OST_LAST_OPC - OST_FIRST_OPC));
- } else if (opc < LDLM_LAST_OPC) {
- /* LDLM Opcode */
- 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 +
- (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
- (MDS_LAST_OPC - MDS_FIRST_OPC) +
- (OST_LAST_OPC - OST_FIRST_OPC));
- } else if (opc == OBD_PING) {
- /* OBD Ping */
- return (opc - OBD_PING +
- (PTLBD_LAST_OPC - PTLBD_FIRST_OPC) +
- (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
- (MDS_LAST_OPC - MDS_FIRST_OPC) +
- (OST_LAST_OPC - OST_FIRST_OPC));
- } else {
- /* Unknown Opcode */
- return -1;
- }
-}
+int ptlrpc_expire_one_request(struct ptlrpc_request *req, int async_unlink);
+
+/* 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);
+
+/* 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);
-#define LUSTRE_MAX_OPCODES (1 + (PTLBD_LAST_OPC - PTLBD_FIRST_OPC) \
- + (LDLM_LAST_OPC - LDLM_FIRST_OPC) \
- + (MDS_LAST_OPC - MDS_FIRST_OPC) \
- + (OST_LAST_OPC - OST_FIRST_OPC))
+/* 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
-enum {
- PTLRPC_REQWAIT_CNTR = 0,
- PTLRPC_SVCEQDEPTH_CNTR = 1,
- PTLRPC_SVCIDLETIME_CNTR = 2,
- PTLRPC_LAST_CNTR = 3
-};
+/* 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);
+
+/* sec_lproc.c */
+int sptlrpc_lproc_init(void);
+void sptlrpc_lproc_fini(void);
+
+/* sec_gc.c */
+int sptlrpc_gc_init(void);
+void sptlrpc_gc_fini(void);
+
+/* sec_config.c */
+void sptlrpc_conf_choose_flavor(enum lustre_sec_part from,
+ enum lustre_sec_part to,
+ struct obd_uuid *target,
+ lnet_nid_t nid,
+ struct sptlrpc_flavor *sf);
+int sptlrpc_conf_init(void);
+void sptlrpc_conf_fini(void);
+
+/* sec.c */
+int __init sptlrpc_init(void);
+void __exit sptlrpc_fini(void);
+
+/* recov_thread.c */
+int llog_recov_init(void);
+void llog_recov_fini(void);
+
+static inline int ll_rpc_recoverable_error(int rc)
+{
+ return (rc == -ENOTCONN || rc == -ENODEV);
+}
#endif /* PTLRPC_INTERNAL_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff