X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lnet%2Finclude%2Flnet%2Flib-lnet.h;h=c99d49bccf80970cf85c1599e956d23280220501;hp=3ca3d7ff43684a2677a29e48227454e766cfbfed;hb=8c249097e62713baf51aec808489a86acf46748d;hpb=b11be372c21dcaa7a6e16f65cf4dd226ea39cadb diff --git a/lnet/include/lnet/lib-lnet.h b/lnet/include/lnet/lib-lnet.h index 3ca3d7f..c99d49b 100644 --- a/lnet/include/lnet/lib-lnet.h +++ b/lnet/include/lnet/lib-lnet.h @@ -75,6 +75,7 @@ extern struct lnet the_lnet; /* THE network */ /* default timeout */ #define DEFAULT_PEER_TIMEOUT 180 +#define LNET_LND_DEFAULT_TIMEOUT 5 static inline int lnet_is_route_alive(struct lnet_route *route) { @@ -489,6 +490,26 @@ lnet_msg_free(struct lnet_msg *msg) LIBCFS_FREE(msg, sizeof(*msg)); } +static inline struct lnet_rsp_tracker * +lnet_rspt_alloc(int cpt) +{ + struct lnet_rsp_tracker *rspt; + LIBCFS_ALLOC(rspt, sizeof(*rspt)); + lnet_net_lock(cpt); + the_lnet.ln_counters[cpt]->lct_health.lch_rst_alloc++; + lnet_net_unlock(cpt); + return rspt; +} + +static inline void +lnet_rspt_free(struct lnet_rsp_tracker *rspt, int cpt) +{ + LIBCFS_FREE(rspt, sizeof(*rspt)); + lnet_net_lock(cpt); + the_lnet.ln_counters[cpt]->lct_health.lch_rst_alloc--; + lnet_net_unlock(cpt); +} + void lnet_ni_free(struct lnet_ni *ni); void lnet_net_free(struct lnet_net *net); @@ -526,13 +547,16 @@ extern struct lnet_ni *lnet_nid2ni_locked(lnet_nid_t nid, int cpt); extern struct lnet_ni *lnet_nid2ni_addref(lnet_nid_t nid); extern struct lnet_ni *lnet_net2ni_locked(__u32 net, int cpt); extern struct lnet_ni *lnet_net2ni_addref(__u32 net); -bool lnet_is_ni_healthy_locked(struct lnet_ni *ni); struct lnet_net *lnet_get_net_locked(__u32 net_id); int lnet_lib_init(void); void lnet_lib_exit(void); +extern unsigned lnet_transaction_timeout; +extern unsigned lnet_retry_count; extern unsigned int lnet_numa_range; +extern unsigned int lnet_health_sensitivity; +extern unsigned int lnet_recovery_interval; extern unsigned int lnet_peer_discovery_disabled; extern int portal_rotor; @@ -552,23 +576,12 @@ struct lnet_ni *lnet_get_next_ni_locked(struct lnet_net *mynet, struct lnet_ni *prev); struct lnet_ni *lnet_get_ni_idx_locked(int idx); -struct libcfs_ioctl_handler { - struct list_head item; - int (*handle_ioctl)(unsigned int cmd, struct libcfs_ioctl_hdr *hdr); -}; - -#define DECLARE_IOCTL_HANDLER(ident, func) \ - static struct libcfs_ioctl_handler ident = { \ - .item = LIST_HEAD_INIT(ident.item), \ - .handle_ioctl = func \ - } - -extern int libcfs_register_ioctl(struct libcfs_ioctl_handler *hand); -extern int libcfs_deregister_ioctl(struct libcfs_ioctl_handler *hand); extern int libcfs_ioctl_getdata(struct libcfs_ioctl_hdr **hdr_pp, struct libcfs_ioctl_hdr __user *uparam); extern int lnet_get_peer_list(__u32 *countp, __u32 *sizep, struct lnet_process_id __user *ids); +extern void lnet_peer_ni_set_healthv(lnet_nid_t nid, int value, bool all); +extern void lnet_peer_ni_add_to_recoveryq_locked(struct lnet_peer_ni *lpni); void lnet_router_debugfs_init(void); void lnet_router_debugfs_fini(void); @@ -591,7 +604,6 @@ int lnet_islocalnet(__u32 net); void lnet_msg_attach_md(struct lnet_msg *msg, struct lnet_libmd *md, unsigned int offset, unsigned int mlen); -void lnet_msg_detach_md(struct lnet_msg *msg, int status); void lnet_build_unlink_event(struct lnet_libmd *md, struct lnet_event *ev); void lnet_build_msg_event(struct lnet_msg *msg, enum lnet_event_kind ev_type); void lnet_msg_commit(struct lnet_msg *msg, int cpt); @@ -602,6 +614,8 @@ void lnet_prep_send(struct lnet_msg *msg, int type, struct lnet_process_id target, unsigned int offset, unsigned int len); int lnet_send(lnet_nid_t nid, struct lnet_msg *msg, lnet_nid_t rtr_nid); +int lnet_send_ping(lnet_nid_t dest_nid, struct lnet_handle_md *mdh, int nnis, + void *user_ptr, struct lnet_handle_eq eqh, bool recovery); void lnet_return_tx_credits_locked(struct lnet_msg *msg); void lnet_return_rx_credits_locked(struct lnet_msg *msg); void lnet_schedule_blocked_locked(struct lnet_rtrbufpool *rbp); @@ -676,8 +690,12 @@ struct lnet_msg *lnet_create_reply_msg(struct lnet_ni *ni, struct lnet_msg *get_msg); void lnet_set_reply_msg_len(struct lnet_ni *ni, struct lnet_msg *msg, unsigned int len); +void lnet_detach_rsp_tracker(struct lnet_libmd *md, int cpt); void lnet_finalize(struct lnet_msg *msg, int rc); +bool lnet_send_error_simulation(struct lnet_msg *msg, + enum lnet_msg_hstatus *hstatus); +void lnet_handle_remote_failure_locked(struct lnet_peer_ni *lpni); void lnet_drop_message(struct lnet_ni *ni, int cpt, void *private, unsigned int nob, __u32 msg_type); @@ -689,6 +707,7 @@ void lnet_msg_container_cleanup(struct lnet_msg_container *container); void lnet_msg_containers_destroy(void); int lnet_msg_containers_create(void); +char *lnet_health_error2str(enum lnet_msg_hstatus hstatus); char *lnet_msgtyp2str(int type); void lnet_print_hdr(struct lnet_hdr *hdr); int lnet_fail_nid(lnet_nid_t nid, unsigned int threshold); @@ -699,7 +718,7 @@ int lnet_fault_ctl(int cmd, struct libcfs_ioctl_data *data); int lnet_fault_init(void); void lnet_fault_fini(void); -bool lnet_drop_rule_match(struct lnet_hdr *hdr); +bool lnet_drop_rule_match(struct lnet_hdr *hdr, enum lnet_msg_hstatus *hstatus); int lnet_delay_rule_add(struct lnet_fault_attr *attr); int lnet_delay_rule_del(lnet_nid_t src, lnet_nid_t dst, bool shutdown); @@ -711,6 +730,7 @@ bool lnet_delay_rule_match_locked(struct lnet_hdr *hdr, struct lnet_msg *msg); /** @} lnet_fault_simulation */ +void lnet_counters_get_common(struct lnet_counters_common *common); void lnet_counters_get(struct lnet_counters *counters); void lnet_counters_reset(void); @@ -790,6 +810,7 @@ void lnet_md_deconstruct(struct lnet_libmd *lmd, struct lnet_md *umd); struct page *lnet_kvaddr_to_page(unsigned long vaddr); int lnet_cpt_of_md(struct lnet_libmd *md, unsigned int offset); +unsigned int lnet_get_lnd_timeout(void); void lnet_register_lnd(struct lnet_lnd *lnd); void lnet_unregister_lnd(struct lnet_lnd *lnd); @@ -821,8 +842,15 @@ int lnet_sock_connect(struct socket **sockp, int *fatal, int lnet_peers_start_down(void); int lnet_peer_buffer_credits(struct lnet_net *net); -int lnet_router_checker_start(void); -void lnet_router_checker_stop(void); +int lnet_monitor_thr_start(void); +void lnet_monitor_thr_stop(void); + +bool lnet_router_checker_active(void); +void lnet_check_routers(void); +int lnet_router_pre_mt_start(void); +void lnet_router_post_mt_start(void); +void lnet_prune_rc_data(int wait_unlink); +void lnet_router_cleanup(void); void lnet_router_ni_update_locked(struct lnet_peer_ni *gw, __u32 net); void lnet_swap_pinginfo(struct lnet_ping_buffer *pbuf); @@ -895,45 +923,19 @@ int lnet_get_peer_ni_info(__u32 peer_index, __u64 *nid, __u32 *ni_peer_tx_credits, __u32 *peer_tx_credits, __u32 *peer_rtr_credits, __u32 *peer_min_rtr_credtis, __u32 *peer_tx_qnob); +int lnet_get_peer_ni_hstats(struct lnet_ioctl_peer_ni_hstats *stats); - -static inline bool -lnet_is_peer_ni_healthy_locked(struct lnet_peer_ni *lpni) -{ - return lpni->lpni_healthy; -} - -static inline void -lnet_set_peer_ni_health_locked(struct lnet_peer_ni *lpni, bool health) -{ - lpni->lpni_healthy = health; -} - -static inline bool -lnet_is_peer_net_healthy_locked(struct lnet_peer_net *peer_net) -{ - struct lnet_peer_ni *lpni; - - list_for_each_entry(lpni, &peer_net->lpn_peer_nis, - lpni_peer_nis) { - if (lnet_is_peer_ni_healthy_locked(lpni)) - return true; - } - - return false; -} - -static inline bool -lnet_is_peer_healthy_locked(struct lnet_peer *peer) +static inline struct lnet_peer_net * +lnet_find_peer_net_locked(struct lnet_peer *peer, __u32 net_id) { struct lnet_peer_net *peer_net; list_for_each_entry(peer_net, &peer->lp_peer_nets, lpn_peer_nets) { - if (lnet_is_peer_net_healthy_locked(peer_net)) - return true; + if (peer_net->lpn_net_id == net_id) + return peer_net; } - return false; + return NULL; } static inline void @@ -983,6 +985,12 @@ lnet_peer_needs_push(struct lnet_peer *lp) return false; } +static inline void +lnet_inc_healthv(atomic_t *healthv) +{ + atomic_add_unless(healthv, 1, LNET_MAX_HEALTH_VALUE); +} + void lnet_incr_stats(struct lnet_element_stats *stats, enum lnet_msg_type msg_type, enum lnet_stats_type stats_type);