/* * GPL HEADER START * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * 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. * * 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 * version 2 along with this program; If not, see * http://www.gnu.org/licenses/gpl-2.0.html * * GPL HEADER END */ /* * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. * * Copyright (c) 2012, 2013, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ * Lustre is a trademark of Sun Microsystems, Inc. * * lnet/selftest/console.h * * kernel structure for LST console * * Author: Liang Zhen */ #ifndef __LST_CONSOLE_H__ #define __LST_CONSOLE_H__ #include #include #include #include #include "selftest.h" #include "conrpc.h" /* node descriptor */ struct lstcon_node { struct lnet_process_id nd_id; /* id of the node */ int nd_ref; /* reference count */ int nd_state; /* state of the node */ int nd_timeout; /* session timeout */ ktime_t nd_stamp; /* last RPC reply timestamp */ struct lstcon_rpc nd_ping; /* ping rpc */ }; /* node link descriptor */ struct lstcon_ndlink { struct list_head ndl_link; /* chain on list */ struct list_head ndl_hlink; /* chain on hash */ struct lstcon_node *ndl_node; /* pointer to node */ }; /* (alias of nodes) group descriptor */ struct lstcon_group { struct list_head grp_link; /* chain on global group list */ int grp_ref; /* reference count */ int grp_userland; /* has userland nodes */ int grp_nnode; /* # of nodes */ char grp_name[LST_NAME_SIZE]; /* group name */ struct list_head grp_trans_list; /* transaction list */ struct list_head grp_ndl_list; /* nodes list */ struct list_head grp_ndl_hash[0];/* hash table for nodes */ }; #define LST_BATCH_IDLE 0xB0 /* idle batch */ #define LST_BATCH_RUNNING 0xB1 /* running batch */ struct lstcon_tsb_hdr { struct lst_bid tsb_id; /* batch ID */ int tsb_index; /* test index */ }; /* (tests ) batch descriptor */ struct lstcon_batch { /* test_batch header */ struct lstcon_tsb_hdr bat_hdr; /* chain on session's batches list */ struct list_head bat_link; /* # of test */ int bat_ntest; /* state of the batch */ int bat_state; /* parameter for run|stop, timeout for run, force for stop */ int bat_arg; /* name of batch */ char bat_name[LST_NAME_SIZE]; /* list head of tests (lstcon_test_t) */ struct list_head bat_test_list; /* list head of transaction */ struct list_head bat_trans_list; /* list head of client nodes (struct lstcon_node) */ struct list_head bat_cli_list; /* hash table of client nodes */ struct list_head *bat_cli_hash; /* list head of server nodes */ struct list_head bat_srv_list; /* hash table of server nodes */ struct list_head *bat_srv_hash; }; /* a single test descriptor */ struct lstcon_test { /* test batch header */ struct lstcon_tsb_hdr tes_hdr; /* chain on batch's tests list */ struct list_head tes_link; /* pointer to batch */ struct lstcon_batch *tes_batch; int tes_type; /* type of the test, i.e: bulk, ping */ int tes_stop_onerr; /* stop on error */ int tes_oneside; /* one-sided test */ int tes_concur; /* concurrency */ int tes_loop; /* loop count */ int tes_dist; /* nodes distribution of target group */ int tes_span; /* nodes span of target group */ int tes_cliidx; /* client index, used for RPC creating */ struct list_head tes_trans_list; /* transaction list */ struct lstcon_group *tes_src_grp; /* group run the test */ struct lstcon_group *tes_dst_grp; /* target group */ int tes_paramlen; /* test parameter length */ char tes_param[0]; /* test parameter */ }; #define LST_GLOBAL_HASHSIZE 503 /* global nodes hash table size */ #define LST_NODE_HASHSIZE 239 /* node hash table (for batch or group) */ #define LST_SESSION_NONE 0x0 /* no session */ #define LST_SESSION_ACTIVE 0x1 /* working session */ #define LST_CONSOLE_TIMEOUT 300 /* default console timeout */ struct lstcon_session { struct mutex ses_mutex; /* only 1 thread in session */ struct lst_sid ses_id; /* global session id */ int ses_key; /* local session key */ int ses_state; /* state of session */ int ses_timeout; /* timeout in seconds */ time64_t ses_laststamp; /* last operation stamp (seconds) */ /** tests features of the session */ unsigned ses_features; /** features are synced with remote test nodes */ unsigned ses_feats_updated:1; /** force creating */ unsigned ses_force:1; /** session is shutting down */ unsigned ses_shutdown:1; /** console is timedout */ unsigned ses_expired:1; __u64 ses_id_cookie; /* batch id cookie */ char ses_name[LST_NAME_SIZE]; /* session name */ struct lstcon_rpc_trans *ses_ping; /* session pinger */ struct stt_timer ses_ping_timer; /* timer for pinger */ struct lstcon_trans_stat ses_trans_stat;/* transaction stats */ struct list_head ses_trans_list; /* global list of transaction */ struct list_head ses_grp_list; /* global list of groups */ struct list_head ses_bat_list; /* global list of batches */ struct list_head ses_ndl_list; /* global list of nodes */ struct list_head *ses_ndl_hash; /* hash table of nodes */ spinlock_t ses_rpc_lock; /* serialize */ atomic_t ses_rpc_counter;/* # of initialized RPCs */ struct list_head ses_rpc_freelist;/* idle console rpc */ }; /* session descriptor */ extern struct lstcon_session console_session; static inline struct lstcon_trans_stat * lstcon_trans_stat(void) { return &console_session.ses_trans_stat; } static inline struct list_head * lstcon_id2hash(struct lnet_process_id id, struct list_head *hash) { unsigned int idx = LNET_NIDADDR(id.nid) % LST_NODE_HASHSIZE; return &hash[idx]; } extern int lstcon_session_match(struct lst_sid sid); extern int lstcon_session_new(char *name, int key, unsigned version, int timeout, int flags, struct lst_sid __user *sid_up); extern int lstcon_session_info(struct lst_sid __user *sid_up, int __user *key, unsigned __user *verp, struct lstcon_ndlist_ent __user *entp, char __user *name_up, int len); extern int lstcon_session_end(void); extern int lstcon_session_debug(int timeout, struct list_head __user *result_up); extern int lstcon_session_feats_check(unsigned feats); extern int lstcon_batch_debug(int timeout, char *name, int client, struct list_head __user *result_up); extern int lstcon_group_debug(int timeout, char *name, struct list_head __user *result_up); extern int lstcon_nodes_debug(int timeout, int nnd, struct lnet_process_id __user *nds_up, struct list_head __user *result_up); extern int lstcon_group_add(char *name); extern int lstcon_group_del(char *name); extern int lstcon_group_clean(char *name, int args); extern int lstcon_group_refresh(char *name, struct list_head __user *result_up); extern int lstcon_nodes_add(char *name, int nnd, struct lnet_process_id __user *nds_up, unsigned *featp, struct list_head __user *result_up); extern int lstcon_nodes_remove(char *name, int nnd, struct lnet_process_id __user *nds_up, struct list_head __user *result_up); extern int lstcon_group_info(char *name, struct lstcon_ndlist_ent __user *gent_up, int *index_p, int *ndent_p, struct lstcon_node_ent __user *ndents_up); extern int lstcon_group_list(int idx, int len, char __user *name_up); extern int lstcon_batch_add(char *name); extern int lstcon_batch_run(char *name, int timeout, struct list_head __user *result_up); extern int lstcon_batch_stop(char *name, int force, struct list_head __user *result_up); extern int lstcon_test_batch_query(char *name, int testidx, int client, int timeout, struct list_head __user *result_up); extern int lstcon_batch_del(char *name); extern int lstcon_batch_list(int idx, int namelen, char __user *name_up); extern int lstcon_batch_info(char *name, struct lstcon_test_batch_ent __user *ent_up, int server, int testidx, int *index_p, int *ndent_p, struct lstcon_node_ent __user *dents_up); extern int lstcon_group_stat(char *grp_name, int timeout, struct list_head __user *result_up); extern int lstcon_nodes_stat(int count, struct lnet_process_id __user *ids_up, int timeout, struct list_head __user *result_up); extern int lstcon_test_add(char *batch_name, int type, int loop, int concur, int dist, int span, char *src_name, char *dst_name, void *param, int paramlen, int *retp, struct list_head __user *result_up); int lstcon_ioctl_entry(struct notifier_block *nb, unsigned long cmd, void *vdata); int lstcon_console_init(void); int lstcon_console_fini(void); #endif