LU-9120 lnet: add health value per ni

[fs/lustre-release.git] / lnet / include / lnet / lib-lnet.h

diff --git a/lnet/include/lnet/lib-lnet.h b/lnet/include/lnet/lib-lnet.h
index 71039b2..bed5244 100644 (file)
--- a/lnet/include/lnet/lib-lnet.h
+++ b/lnet/include/lnet/lib-lnet.h
@@ -23,7 +23,7 @@
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2012, 2016, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -73,6 +73,9 @@ extern struct lnet the_lnet;                  /* THE network */
 /** exclusive lock */
 #define LNET_LOCK_EX           CFS_PERCPT_LOCK_EX
 
+/* default timeout */
+#define DEFAULT_PEER_TIMEOUT    180
+
 static inline int lnet_is_route_alive(struct lnet_route *route)
 {
        if (!route->lr_gateway->lpni_alive)
@@ -529,14 +532,15 @@ 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 int lnet_numa_range;
 extern unsigned int lnet_peer_discovery_disabled;
 extern int portal_rotor;
 
 int lnet_notify(struct lnet_ni *ni, lnet_nid_t peer, int alive,
-               cfs_time_t when);
+               time64_t when);
 void lnet_notify_locked(struct lnet_peer_ni *lp, int notifylnd, int alive,
-                       cfs_time_t when);
+                       time64_t when);
 int lnet_add_route(__u32 net, __u32 hops, lnet_nid_t gateway_nid,
                   unsigned int priority);
 int lnet_check_routes(void);
@@ -564,9 +568,11 @@ 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);
 
-void lnet_proc_init(void);
-void lnet_proc_fini(void);
+void lnet_router_debugfs_init(void);
+void lnet_router_debugfs_fini(void);
 int  lnet_rtrpools_alloc(int im_a_router);
 void lnet_destroy_rtrbuf(struct lnet_rtrbuf *rb, int npages);
 int  lnet_rtrpools_adjust(int tiny, int small, int large);
@@ -675,7 +681,7 @@ void lnet_set_reply_msg_len(struct lnet_ni *ni, struct lnet_msg *msg,
 void lnet_finalize(struct lnet_msg *msg, int rc);
 
 void lnet_drop_message(struct lnet_ni *ni, int cpt, void *private,
-                      unsigned int nob);
+                      unsigned int nob, __u32 msg_type);
 void lnet_drop_delayed_msg_list(struct list_head *head, char *reason);
 void lnet_recv_delayed_msg_list(struct list_head *head);
 
@@ -866,11 +872,13 @@ struct lnet_peer_ni *lnet_nid2peerni_locked(lnet_nid_t nid, lnet_nid_t pref,
                                        int cpt);
 struct lnet_peer_ni *lnet_nid2peerni_ex(lnet_nid_t nid, int cpt);
 struct lnet_peer_ni *lnet_find_peer_ni_locked(lnet_nid_t nid);
+struct lnet_peer *lnet_find_peer(lnet_nid_t nid);
 void lnet_peer_net_added(struct lnet_net *net);
 lnet_nid_t lnet_peer_primary_nid_locked(lnet_nid_t nid);
-int lnet_discover_peer_locked(struct lnet_peer_ni *lpni, int cpt);
+int lnet_discover_peer_locked(struct lnet_peer_ni *lpni, int cpt, bool block);
 int lnet_peer_discovery_start(void);
 void lnet_peer_discovery_stop(void);
+void lnet_push_update_to_peers(int force);
 void lnet_peer_tables_cleanup(struct lnet_net *net);
 void lnet_peer_uninit(void);
 int lnet_peer_tables_create(void);
@@ -881,10 +889,7 @@ bool lnet_peer_is_pref_nid_locked(struct lnet_peer_ni *lpni, lnet_nid_t nid);
 int lnet_peer_ni_set_non_mr_pref_nid(struct lnet_peer_ni *lpni, lnet_nid_t nid);
 int lnet_add_peer_ni(lnet_nid_t key_nid, lnet_nid_t nid, bool mr);
 int lnet_del_peer_ni(lnet_nid_t key_nid, lnet_nid_t nid);
-int lnet_get_peer_info(__u32 idx, lnet_nid_t *primary_nid, lnet_nid_t *nid,
-                      bool *mr,
-                      struct lnet_peer_ni_credit_info __user *peer_ni_info,
-                      struct lnet_ioctl_element_stats __user *peer_ni_stats);
+int lnet_get_peer_info(struct lnet_ioctl_peer_cfg *cfg, void __user *bulk);
 int lnet_get_peer_ni_info(__u32 peer_index, __u64 *nid,
                          char alivness[LNET_MAX_STR_LEN],
                          __u32 *cpt_iter, __u32 *refcount,
@@ -892,7 +897,6 @@ int lnet_get_peer_ni_info(__u32 peer_index, __u64 *nid,
                          __u32 *peer_rtr_credits, __u32 *peer_min_rtr_credtis,
                          __u32 *peer_tx_qnob);
 
-
 static inline bool
 lnet_is_peer_ni_healthy_locked(struct lnet_peer_ni *lpni)
 {
@@ -932,10 +936,24 @@ lnet_is_peer_healthy_locked(struct lnet_peer *peer)
        return false;
 }
 
+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 (peer_net->lpn_net_id == net_id)
+                       return peer_net;
+       }
+
+       return NULL;
+}
+
 static inline void
 lnet_peer_set_alive(struct lnet_peer_ni *lp)
 {
-       lp->lpni_last_alive = lp->lpni_last_query = cfs_time_current();
+       lp->lpni_last_alive = ktime_get_seconds();
+       lp->lpni_last_query = lp->lpni_last_alive;
        if (!lp->lpni_alive)
                lnet_notify_locked(lp, 0, 1, lp->lpni_last_alive);
 }
@@ -964,4 +982,28 @@ lnet_peer_ni_is_primary(struct lnet_peer_ni *lpni)
 
 bool lnet_peer_is_uptodate(struct lnet_peer *lp);
 
+static inline bool
+lnet_peer_needs_push(struct lnet_peer *lp)
+{
+       if (!(lp->lp_state & LNET_PEER_MULTI_RAIL))
+               return false;
+       if (lp->lp_state & LNET_PEER_FORCE_PUSH)
+               return true;
+       if (lp->lp_state & LNET_PEER_NO_DISCOVERY)
+               return false;
+       if (lp->lp_node_seqno < atomic_read(&the_lnet.ln_ping_target_seqno))
+               return true;
+       return false;
+}
+
+void lnet_incr_stats(struct lnet_element_stats *stats,
+                    enum lnet_msg_type msg_type,
+                    enum lnet_stats_type stats_type);
+
+__u32 lnet_sum_stats(struct lnet_element_stats *stats,
+                    enum lnet_stats_type stats_type);
+
+void lnet_usr_translate_stats(struct lnet_ioctl_element_msg_stats *msg_stats,
+                             struct lnet_element_stats *stats);
+
 #endif