X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fptlrpc%2Fptlrpc_internal.h;h=ff5be4ea61c26935b3c67dd18a7613555f6c706c;hb=ff0c89a73e141ce019ee2a94e5d01a8a37dd830a;hp=a84a29c85b4ae3e284c6de96b7a5e6ea05dcce90;hpb=9834112da52eb74b00a37de6f8d5ecbc7df1dcc1;p=fs%2Flustre-release.git diff --git a/lustre/ptlrpc/ptlrpc_internal.h b/lustre/ptlrpc/ptlrpc_internal.h index a84a29c..ff5be4e 100644 --- a/lustre/ptlrpc/ptlrpc_internal.h +++ b/lustre/ptlrpc/ptlrpc_internal.h @@ -1,23 +1,37 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: +/* + * GPL HEADER START * - * Copyright (C) 2003 Cluster File Systems, Inc. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * - * This file is part of Lustre, http://www.lustre.org. + * 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 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 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). * - * 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. + * 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 * - * 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. + * 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 (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. + * Use is subject to license terms. + * + * Copyright (c) 2011, 2012, Whamcloud, Inc. + */ +/* + * This file is part of Lustre, http://www.lustre.org/ + * Lustre is a trademark of Sun Microsystems, Inc. */ /* Intramodule declarations for ptlrpc. */ @@ -25,78 +39,141 @@ #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; + +int ptlrpc_start_thread(struct ptlrpc_service_part *svcpt, int wait); +/* ptlrpcd.c */ +int ptlrpcd_start(int index, int max, const char *name, struct ptlrpcd_ctl *pc); -/* 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 */ +struct ptlrpc_bulk_desc *new_bulk(int npages, int type, int portal); +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); 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, 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 */ -int llog_init_commit_master(void); -int llog_cleanup_commit_master(int force); - -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_LAST_OPC) { - /* OBD Ping */ - return (opc - OBD_FIRST_OPC + - (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; - } -} -#define LUSTRE_MAX_OPCODES ((PTLBD_LAST_OPC - PTLBD_FIRST_OPC) + \ - (LDLM_LAST_OPC - LDLM_FIRST_OPC) + \ - (MDS_LAST_OPC - MDS_FIRST_OPC) + \ - (OST_LAST_OPC - OST_FIRST_OPC) + \ - (OBD_LAST_OPC - OBD_FIRST_OPC)) +int ptlrpc_expire_one_request(struct ptlrpc_request *req, int async_unlink); -enum { - PTLRPC_REQWAIT_CNTR = 0, - PTLRPC_SVCIDLETIME_CNTR = 1, - //PTLRPC_SVCEQDEPTH_CNTR, - PTLRPC_LAST_CNTR -}; +/* 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); -int ptlrpc_expire_one_request(struct ptlrpc_request *req); -int ptlrpc_check_set(struct ptlrpc_request_set *set); +/* pack_generic.c */ +struct ptlrpc_reply_state * +lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt); +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_commit_expected(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); + +/* 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 sptlrpc_init(void); +void 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); +} + +#ifdef HAVE_SERVER_SUPPORT +/* target.c */ +int lut_mod_init(void); +void lut_mod_exit(void); +#else +static inline int lut_mod_init(void) +{ + return 0; +} + +static inline void lut_mod_exit(void) +{ + return; +} +#endif + +static inline void ptlrpc_reqset_put(struct ptlrpc_request_set *set) +{ + if (cfs_atomic_dec_and_test(&set->set_refcount)) + OBD_FREE_PTR(set); +} #endif /* PTLRPC_INTERNAL_H */