- a trivial comment update.

[fs/lustre-release.git] / lnet / klnds / ptllnd / ptllnd.h

diff --git a/lnet/klnds/ptllnd/ptllnd.h b/lnet/klnds/ptllnd/ptllnd.h
index 8b25d0f..5f817cb 100755 (executable)
--- a/lnet/klnds/ptllnd/ptllnd.h
+++ b/lnet/klnds/ptllnd/ptllnd.h
@@ -95,7 +95,7 @@
 # define PTLLND_N_SCHED         1                   /* # schedulers */
 #endif
 
-#define PTLLND_CREDIT_HIGHWATER ((*kptllnd_tunables.kptl_peercredits)-1)
+#define PTLLND_CREDIT_HIGHWATER ((*kptllnd_tunables.kptl_peertxcredits)-1)
   /* when eagerly to return credits */
 
 typedef struct
@@ -110,13 +110,15 @@ typedef struct
         int             *kptl_rxb_npages;       /* number of pages for rx buffer */
         int             *kptl_rxb_nspare;       /* number of spare rx buffers */
         int             *kptl_credits;          /* number of credits */
-        int             *kptl_peercredits;      /* number of credits */
+        int             *kptl_peertxcredits;    /* number of peer tx credits */
+        int             *kptl_peerrtrcredits;   /* number of peer router credits */
         int             *kptl_max_msg_size;     /* max immd message size*/
         int             *kptl_peer_hash_table_size; /* # slots in peer hash table */
         int             *kptl_reschedule_loops; /* scheduler yield loops */
         int             *kptl_ack_puts;         /* make portals ack PUTs */
 #ifdef CRAY_XT3
         int             *kptl_ptltrace_on_timeout; /* dump pltrace on timeout? */
+        int             *kptl_ptltrace_on_fail;    /* dump pltrace on PTL_NAL_FAILED? */
         char           **kptl_ptltrace_basename;  /* ptltrace dump file basename */
 #endif
 #ifdef PJK_DEBUGGING
@@ -282,6 +284,7 @@ struct kptl_data
         struct list_head        kptl_sched_rxbq;       /* rxb requiring reposting */
 
         wait_queue_head_t       kptl_watchdog_waitq;   /* watchdog sleeps here */
+        atomic_t                kptl_needs_ptltrace;   /* watchdog thread to dump ptltrace */
 
         kptl_rx_buffer_pool_t   kptl_rx_buffer_pool;   /* rx buffer pool */
         cfs_mem_cache_t*        kptl_rx_cache;         /* rx descripter cache */
@@ -336,6 +339,17 @@ kptllnd_lnet2ptlnid(lnet_nid_t lnet_nid)
 #endif
 }
 
+static inline void
+kptllnd_schedule_ptltrace_dump (void)
+{
+#ifdef CRAY_XT3
+        if (*kptllnd_tunables.kptl_ptltrace_on_fail) {
+                atomic_inc(&kptllnd_data.kptl_needs_ptltrace);
+                wake_up(&kptllnd_data.kptl_watchdog_waitq);
+        }
+#endif
+}
+
 int  kptllnd_startup(lnet_ni_t *ni);
 void kptllnd_shutdown(lnet_ni_t *ni);
 int  kptllnd_ctl(lnet_ni_t *ni, unsigned int cmd, void *arg);
@@ -512,14 +526,14 @@ kptllnd_reserve_buffers(int n)
 static inline int
 kptllnd_peer_reserve_buffers(void)
 {
-        return kptllnd_reserve_buffers(*kptllnd_tunables.kptl_peercredits);
+        return kptllnd_reserve_buffers(*kptllnd_tunables.kptl_peertxcredits);
 }
 
 static inline void
 kptllnd_peer_unreserve_buffers(void)
 {
         kptllnd_rx_buffer_pool_unreserve(&kptllnd_data.kptl_rx_buffer_pool,
-                                         *kptllnd_tunables.kptl_peercredits);
+                                         *kptllnd_tunables.kptl_peertxcredits);
 }
 
 /*
@@ -528,6 +542,8 @@ kptllnd_peer_unreserve_buffers(void)
 int  kptllnd_setup_tx_descs(void);
 void kptllnd_cleanup_tx_descs(void);
 void kptllnd_tx_fini(kptl_tx_t *tx);
+void kptllnd_cancel_txlist(struct list_head *peerq, struct list_head *txs);
+void kptllnd_restart_txs(lnet_process_id_t target, struct list_head *restarts);
 kptl_tx_t *kptllnd_get_idle_tx(enum kptl_tx_type purpose);
 void kptllnd_tx_callback(ptl_event_t *ev);
 const char *kptllnd_tx_typestr(int type);