/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2005 Cluster File Systems, Inc. All rights reserved.
- * Author: PJ Kirner <pjkirner@clusterfs.com>
+ * GPL HEADER START
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is confidential source code owned by Cluster File Systems.
- * No viewing, modification, compilation, redistribution, or any other
- * form of use is permitted except through a signed license agreement.
+ * 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.
*
- * If you have not signed such an agreement, then you have no rights to
- * this file. Please destroy it immediately and contact CFS.
+ * 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.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lnet/klnds/ptllnd/ptllnd.h
+ *
+ * Author: PJ Kirner <pjkirner@clusterfs.com>
*/
#ifndef EXPORT_SYMTAB
#define DEBUG_SUBSYSTEM S_LND
-#include <libcfs/kp30.h>
+#include <libcfs/libcfs.h>
#include <lnet/lnet.h>
#include <lnet/lib-lnet.h>
+#include <lnet/lnet-sysctl.h>
#include <portals/p30.h>
#ifdef CRAY_XT3
#include <portals/ptltrace.h>
# 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
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
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 */
#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);
+void kptllnd_query (struct lnet_ni *ni, lnet_nid_t nid, time_t *when);
int kptllnd_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg);
int kptllnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg,
int delayed, unsigned int niov,
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);
}
/*
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);
#else
#define IS_SIMULATION_ENABLED(x) 0
#endif
-