LU-5485 lnet: peer aliveness status and NI status

[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 49f3fa7..a48a5d3 100644 (file)
--- a/lnet/include/lnet/lib-lnet.h
+++ b/lnet/include/lnet/lib-lnet.h
@@ -41,16 +41,13 @@
 #ifndef __LNET_LIB_LNET_H__
 #define __LNET_LIB_LNET_H__
 
-#if defined(__linux__)
 #include <lnet/linux/lib-lnet.h>
-#else
-#error Unsupported Operating System
-#endif
 
 #include <libcfs/libcfs.h>
 #include <lnet/types.h>
 #include <lnet/lnet.h>
 #include <lnet/lib-types.h>
+#include <lnet/lib-dlc.h>
 
 extern lnet_t  the_lnet;                        /* THE network */
 
@@ -705,6 +702,7 @@ lnet_net2rnethash(__u32 net)
 }
 
 extern lnd_t the_lolnd;
+extern int avoid_asym_router_failure;
 
 #ifndef __KERNEL__
 /* unconditional registration */
@@ -740,6 +738,16 @@ int lnet_del_route(__u32 net, lnet_nid_t gw_nid);
 void lnet_destroy_routes(void);
 int lnet_get_route(int idx, __u32 *net, __u32 *hops,
                   lnet_nid_t *gateway, __u32 *alive, __u32 *priority);
+int lnet_get_net_config(int idx,
+                       __u32 *cpt_count,
+                       __u64 *nid,
+                       int *peer_timeout,
+                       int *peer_tx_credits,
+                       int *peer_rtr_cr,
+                       int *max_tx_credits,
+                       struct lnet_ioctl_net_config *net_config);
+int lnet_get_rtr_pool_cfg(int idx, struct lnet_ioctl_pool_cfg *pool_cfg);
+
 void lnet_proc_init(void);
 void lnet_proc_fini(void);
 int  lnet_rtrpools_alloc(int im_a_router);
@@ -749,6 +757,10 @@ int lnet_rtrpools_enable(void);
 void lnet_rtrpools_disable(void);
 void lnet_rtrpools_free(int keep_pools);
 lnet_remotenet_t *lnet_find_net_locked (__u32 net);
+int lnet_dyn_add_ni(lnet_pid_t requested_pid, char *nets,
+                   __s32 peer_timeout, __s32 peer_cr, __s32 peer_buf_cr,
+                   __s32 credits);
+int lnet_dyn_del_ni(__u32 net);
 
 int lnet_islocalnid(lnet_nid_t nid);
 int lnet_islocalnet(__u32 net);
@@ -825,11 +837,22 @@ void lnet_portals_destroy(void);
 /* message functions */
 int lnet_parse (lnet_ni_t *ni, lnet_hdr_t *hdr,
                 lnet_nid_t fromnid, void *private, int rdma_req);
+int lnet_parse_local(lnet_ni_t *ni, lnet_msg_t *msg);
+int lnet_parse_forward_locked(lnet_ni_t *ni, lnet_msg_t *msg);
+
 void lnet_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed,
                unsigned int offset, unsigned int mlen, unsigned int rlen);
+void lnet_ni_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg,
+                 int delayed, unsigned int offset,
+                 unsigned int mlen, unsigned int rlen);
+
 lnet_msg_t *lnet_create_reply_msg (lnet_ni_t *ni, lnet_msg_t *get_msg);
 void lnet_set_reply_msg_len(lnet_ni_t *ni, lnet_msg_t *msg, unsigned int len);
+
 void lnet_finalize(lnet_ni_t *ni, lnet_msg_t *msg, int rc);
+
+void lnet_drop_message(lnet_ni_t *ni, int cpt, void *private,
+                      unsigned int nob);
 void lnet_drop_delayed_msg_list(struct list_head *head, char *reason);
 void lnet_recv_delayed_msg_list(struct list_head *head);
 
@@ -842,6 +865,24 @@ char *lnet_msgtyp2str (int type);
 void lnet_print_hdr (lnet_hdr_t * hdr);
 int lnet_fail_nid(lnet_nid_t nid, unsigned int threshold);
 
+/** \addtogroup lnet_fault_simulation @{ */
+
+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(lnet_hdr_t *hdr);
+
+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);
+int lnet_delay_rule_list(int pos, struct lnet_fault_attr *attr,
+                        struct lnet_fault_stat *stat);
+void lnet_delay_rule_reset(void);
+void lnet_delay_rule_check(void);
+bool lnet_delay_rule_match_locked(lnet_hdr_t *hdr, struct lnet_msg *msg);
+
+/** @} lnet_fault_simulation */
+
 void lnet_counters_get(lnet_counters_t *counters);
 void lnet_counters_reset(void);
 
@@ -873,7 +914,7 @@ void lnet_copy_kiov2kiov (unsigned int ndkiov, lnet_kiov_t *dkiov,
                           unsigned int soffset, unsigned int nob);
 
 static inline void
-lnet_copy_iov2flat(int dlen, void *dest, unsigned int doffset,
+lnet_copy_iov2flat(int dlen, __user void *dest, unsigned int doffset,
                    unsigned int nsiov, struct iovec *siov, unsigned int soffset,
                    unsigned int nob)
 {
@@ -884,9 +925,9 @@ lnet_copy_iov2flat(int dlen, void *dest, unsigned int doffset,
 }
 
 static inline void
-lnet_copy_kiov2flat(int dlen, void *dest, unsigned int doffset,
-                    unsigned int nsiov, lnet_kiov_t *skiov, unsigned int soffset,
-                    unsigned int nob)
+lnet_copy_kiov2flat(int dlen, void __user *dest, unsigned int doffset,
+                   unsigned int nsiov, lnet_kiov_t *skiov,
+                   unsigned int soffset, unsigned int nob)
 {
         struct iovec diov = {/* .iov_base = */ dest, /* .iov_len = */ dlen};
 
@@ -896,7 +937,8 @@ lnet_copy_kiov2flat(int dlen, void *dest, unsigned int doffset,
 
 static inline void
 lnet_copy_flat2iov(unsigned int ndiov, struct iovec *diov, unsigned int doffset,
-                   int slen, void *src, unsigned int soffset, unsigned int nob)
+                  int slen, void __user *src, unsigned int soffset,
+                  unsigned int nob)
 {
         struct iovec siov = {/*.iov_base = */ src, /*.iov_len = */slen};
         lnet_copy_iov2iov(ndiov, diov, doffset,
@@ -904,8 +946,9 @@ lnet_copy_flat2iov(unsigned int ndiov, struct iovec *diov, unsigned int doffset,
 }
 
 static inline void
-lnet_copy_flat2kiov(unsigned int ndiov, lnet_kiov_t *dkiov, unsigned int doffset,
-                    int slen, void *src, unsigned int soffset, unsigned int nob)
+lnet_copy_flat2kiov(unsigned int ndiov, lnet_kiov_t *dkiov,
+                   unsigned int doffset, int slen, void __user *src,
+                   unsigned int soffset, unsigned int nob)
 {
         struct iovec siov = {/* .iov_base = */ src, /* .iov_len = */ slen};
         lnet_copy_iov2kiov(ndiov, dkiov, doffset,
@@ -947,11 +990,9 @@ int lnet_peer_buffer_credits(lnet_ni_t *ni);
 
 int lnet_router_checker_start(void);
 void lnet_router_checker_stop(void);
+void lnet_router_ni_update_locked(lnet_peer_t *gw, __u32 net);
 void lnet_swap_pinginfo(lnet_ping_info_t *info);
 
-int lnet_ping(lnet_process_id_t id, int timeout_ms,
-              lnet_process_id_t *ids, int n_ids);
-
 int lnet_parse_ip2nets(char **networksp, char *ip2nets);
 int lnet_parse_routes(char *route_str, int *im_a_router);
 int lnet_parse_networks(struct list_head *nilist, char *networks);
@@ -964,6 +1005,20 @@ void lnet_peer_tables_cleanup(lnet_ni_t *ni);
 void lnet_peer_tables_destroy(void);
 int lnet_peer_tables_create(void);
 void lnet_debug_peer(lnet_nid_t nid);
+int lnet_get_peer_info(__u32 peer_index, __u64 *nid,
+                      char alivness[LNET_MAX_STR_LEN],
+                      __u32 *cpt_iter, __u32 *refcount,
+                      __u32 *ni_peer_tx_credits, __u32 *peer_tx_credits,
+                      __u32 *peer_rtr_credits, __u32 *peer_min_rtr_credtis,
+                      __u32 *peer_tx_qnob);
+
+static inline void
+lnet_peer_set_alive(lnet_peer_t *lp)
+{
+       lp->lp_last_alive = lp->lp_last_query = cfs_time_current();
+       if (!lp->lp_alive)
+               lnet_notify_locked(lp, 0, 1, lp->lp_last_alive);
+}
 
 #ifndef __KERNEL__
 static inline int