-
/* -*- 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: Eric Barton <eeb@bartonsoftware.com>
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * 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.
+ *
+ * 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).
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * 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
*
- * 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.
+ * 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.
*
- * If you have not signed such an agreement, then you have no rights to
- * this file. Please destroy it immediately and contact CFS.
+ * lnet/ulnds/ptllnd/ptllnd.c
*
+ * Author: Eric Barton <eeb@bartonsoftware.com>
*/
#include "ptllnd.h"
.lnd_type = PTLLND,
.lnd_startup = ptllnd_startup,
.lnd_shutdown = ptllnd_shutdown,
- .lnd_ctl = ptllnd_ctl,
+ .lnd_ctl = ptllnd_ctl,
.lnd_send = ptllnd_send,
.lnd_recv = ptllnd_recv,
.lnd_eager_recv = ptllnd_eager_recv,
- .lnd_notify = ptllnd_notify,
.lnd_wait = ptllnd_wait,
+ .lnd_setasync = ptllnd_setasync,
};
static int ptllnd_ni_count = 0;
-void
+static struct list_head ptllnd_idle_history;
+static struct list_head ptllnd_history_list;
+
+void
+ptllnd_history_fini(void)
+{
+ ptllnd_he_t *he;
+
+ while (!list_empty(&ptllnd_idle_history)) {
+ he = list_entry(ptllnd_idle_history.next,
+ ptllnd_he_t, he_list);
+
+ list_del(&he->he_list);
+ LIBCFS_FREE(he, sizeof(*he));
+ }
+
+ while (!list_empty(&ptllnd_history_list)) {
+ he = list_entry(ptllnd_history_list.next,
+ ptllnd_he_t, he_list);
+
+ list_del(&he->he_list);
+ LIBCFS_FREE(he, sizeof(*he));
+ }
+}
+
+int
+ptllnd_history_init(void)
+{
+ int i;
+ ptllnd_he_t *he;
+ int n;
+ int rc;
+
+ CFS_INIT_LIST_HEAD(&ptllnd_idle_history);
+ CFS_INIT_LIST_HEAD(&ptllnd_history_list);
+
+ rc = ptllnd_parse_int_tunable(&n, "PTLLND_HISTORY", 0);
+ if (rc != 0)
+ return rc;
+
+ for (i = 0; i < n; i++) {
+ LIBCFS_ALLOC(he, sizeof(*he));
+ if (he == NULL) {
+ ptllnd_history_fini();
+ return -ENOMEM;
+ }
+
+ list_add(&he->he_list, &ptllnd_idle_history);
+ }
+
+ PTLLND_HISTORY("Init");
+
+ return 0;
+}
+
+void
+ptllnd_history(const char *fn, const char *file, const int line,
+ const char *fmt, ...)
+{
+ static int seq;
+
+ va_list ap;
+ ptllnd_he_t *he;
+
+ if (!list_empty(&ptllnd_idle_history)) {
+ he = list_entry(ptllnd_idle_history.next,
+ ptllnd_he_t, he_list);
+ } else if (!list_empty(&ptllnd_history_list)) {
+ he = list_entry(ptllnd_history_list.next,
+ ptllnd_he_t, he_list);
+ } else {
+ return;
+ }
+
+ list_del(&he->he_list);
+ list_add_tail(&he->he_list, &ptllnd_history_list);
+
+ he->he_seq = seq++;
+ he->he_fn = fn;
+ he->he_file = file;
+ he->he_line = line;
+ gettimeofday(&he->he_time, NULL);
+
+ va_start(ap, fmt);
+ vsnprintf(he->he_msg, sizeof(he->he_msg), fmt, ap);
+ va_end(ap);
+}
+
+void
+ptllnd_dump_history(void)
+{
+ ptllnd_he_t *he;
+
+ PTLLND_HISTORY("dumping...");
+
+ while (!list_empty(&ptllnd_history_list)) {
+ he = list_entry(ptllnd_history_list.next,
+ ptllnd_he_t, he_list);
+
+ list_del(&he->he_list);
+
+ CDEBUG(D_WARNING, "%d %d.%06d (%s:%d:%s()) %s\n", he->he_seq,
+ (int)he->he_time.tv_sec, (int)he->he_time.tv_usec,
+ he->he_file, he->he_line, he->he_fn, he->he_msg);
+
+ list_add_tail(&he->he_list, &ptllnd_idle_history);
+ }
+
+ PTLLND_HISTORY("complete");
+}
+
+void
ptllnd_assert_wire_constants (void)
{
/* Wire protocol assertions generated by 'wirecheck'
int rc;
int temp;
+ /* Other tunable defaults depend on this */
+ rc = ptllnd_parse_int_tunable(&plni->plni_debug, "PTLLND_DEBUG", 0);
+ if (rc != 0)
+ return rc;
+
rc = ptllnd_parse_int_tunable(&plni->plni_portal,
"PTLLND_PORTAL", PTLLND_PORTAL);
if (rc != 0)
"PTLLND_PEERCREDITS", PTLLND_PEERCREDITS);
if (rc != 0)
return rc;
+ if (plni->plni_peer_credits > PTLLND_MSG_MAX_CREDITS) {
+ CERROR("PTLLND_PEERCREDITS must be <= %d\n", PTLLND_MSG_MAX_CREDITS);
+ return -EINVAL;
+ }
rc = ptllnd_parse_int_tunable(&max_msg_size,
"PTLLND_MAX_MSG_SIZE",
- PTLLND_MAX_MSG_SIZE);
+ PTLLND_MAX_ULND_MSG_SIZE);
if (rc != 0)
return rc;
rc = ptllnd_parse_int_tunable(&msgs_per_buffer,
- "PTLLND_MSGS_PER_BUFFER",
- PTLLND_MSGS_PER_BUFFER);
+ "PTLLND_MSGS_PER_BUFFER", 64);
if (rc != 0)
return rc;
rc = ptllnd_parse_int_tunable(&plni->plni_msgs_spare,
- "PTLLND_MSGS_SPARE",
- PTLLND_MSGS_SPARE);
+ "PTLLND_MSGS_SPARE", 256);
if (rc != 0)
return rc;
rc = ptllnd_parse_int_tunable(&plni->plni_peer_hash_size,
- "PTLLND_PEER_HASH_SIZE",
- PTLLND_PEER_HASH_SIZE);
+ "PTLLND_PEER_HASH_SIZE", 101);
if (rc != 0)
return rc;
rc = ptllnd_parse_int_tunable(&plni->plni_eq_size,
- "PTLLND_EQ_SIZE", PTLLND_EQ_SIZE);
+ "PTLLND_EQ_SIZE", 1024);
+ if (rc != 0)
+ return rc;
+
+ rc = ptllnd_parse_int_tunable(&plni->plni_checksum,
+ "PTLLND_CHECKSUM", 0);
+ if (rc != 0)
+ return rc;
+
+ rc = ptllnd_parse_int_tunable(&plni->plni_max_tx_history,
+ "PTLLND_TX_HISTORY",
+ plni->plni_debug ? 1024 : 0);
+ if (rc != 0)
+ return rc;
+
+ rc = ptllnd_parse_int_tunable(&plni->plni_abort_on_protocol_mismatch,
+ "PTLLND_ABORT_ON_PROTOCOL_MISMATCH", 1);
if (rc != 0)
return rc;
- rc = ptllnd_parse_int_tunable(&plni->plni_checksum,
- "PTLLND_CHECKSUM", 0);
- if (rc != 0)
- return rc;
+ rc = ptllnd_parse_int_tunable(&plni->plni_abort_on_nak,
+ "PTLLND_ABORT_ON_NAK", 0);
+ if (rc != 0)
+ return rc;
+
+ rc = ptllnd_parse_int_tunable(&plni->plni_dump_on_nak,
+ "PTLLND_DUMP_ON_NAK", plni->plni_debug);
+ if (rc != 0)
+ return rc;
+
+ rc = ptllnd_parse_int_tunable(&plni->plni_watchdog_interval,
+ "PTLLND_WATCHDOG_INTERVAL", 1);
+ if (rc != 0)
+ return rc;
+ if (plni->plni_watchdog_interval <= 0)
+ plni->plni_watchdog_interval = 1;
- rc = ptllnd_parse_int_tunable(&plni->plni_max_tx_history,
- "PTLLND_TX_HISTORY", PTLLND_TX_HISTORY);
- if (rc != 0)
- return rc;
+ rc = ptllnd_parse_int_tunable(&plni->plni_timeout,
+ "PTLLND_TIMEOUT", 50);
+ if (rc != 0)
+ return rc;
- rc = ptllnd_parse_int_tunable(&plni->plni_abort_on_nak,
- "PTLLND_ABORT_ON_NAK",
- PTLLND_ABORT_ON_NAK);
- if (rc != 0)
- return rc;
+ rc = ptllnd_parse_int_tunable(&plni->plni_long_wait,
+ "PTLLND_LONG_WAIT",
+ plni->plni_debug ? 5 : plni->plni_timeout);
+ if (rc != 0)
+ return rc;
+ plni->plni_long_wait *= 1000; /* convert to mS */
plni->plni_max_msg_size = max_msg_size & ~7;
- if (plni->plni_max_msg_size < sizeof(kptl_msg_t))
- plni->plni_max_msg_size = (sizeof(kptl_msg_t) + 7) & ~7;
+ if (plni->plni_max_msg_size < PTLLND_MIN_BUFFER_SIZE)
+ plni->plni_max_msg_size = PTLLND_MIN_BUFFER_SIZE;
+ CLASSERT ((PTLLND_MIN_BUFFER_SIZE & 7) == 0);
+ CLASSERT (sizeof(kptl_msg_t) <= PTLLND_MIN_BUFFER_SIZE);
plni->plni_buffer_size = plni->plni_max_msg_size * msgs_per_buffer;
}
int
-ptllnd_grow_buffers (lnet_ni_t *ni)
+ptllnd_size_buffers (lnet_ni_t *ni, int delta)
{
ptllnd_ni_t *plni = ni->ni_data;
ptllnd_buffer_t *buf;
CDEBUG(D_NET, "nposted_buffers = %d (before)\n",plni->plni_nposted_buffers);
CDEBUG(D_NET, "nbuffers = %d (before)\n",plni->plni_nbuffers);
- nmsgs = plni->plni_npeers * plni->plni_peer_credits +
- plni->plni_msgs_spare;
+ plni->plni_nmsgs += delta;
+ LASSERT(plni->plni_nmsgs >= 0);
+
+ nmsgs = plni->plni_nmsgs + plni->plni_msgs_spare;
nbufs = (nmsgs * plni->plni_max_msg_size + plni->plni_buffer_size - 1) /
plni->plni_buffer_size;
return -ENOMEM;
rc = ptllnd_post_buffer(buf);
- if (rc != 0){
+ if (rc != 0) {
/* TODO - this path seems to orpahn the buffer
* in a state where its not posted and will never be
* However it does not leak the buffer as it's
LASSERT (plni->plni_nbuffers > 0);
if (buf->plb_posted) {
- time_t start = cfs_time_current_sec();
- int w = PTLLND_WARN_LONG_WAIT;
-
+ time_t start = cfs_time_current_sec();
+ int w = plni->plni_long_wait;
+
LASSERT (plni->plni_nposted_buffers > 0);
#ifdef LUSTRE_PORTALS_UNLINK_SEMANTICS
(void) PtlMDUnlink(buf->plb_md);
- while (buf->plb_posted) {
- if (cfs_time_current_sec() > start + w) {
- CWARN("Waited %ds to unlink buffer\n", w);
- w *= 2;
- }
- ptllnd_wait(ni, w*1000);
- }
+ while (buf->plb_posted) {
+ if (w > 0 && cfs_time_current_sec() > start + w/1000) {
+ CWARN("Waited %ds to unlink buffer\n",
+ (int)(cfs_time_current_sec() - start));
+ w *= 2;
+ }
+ ptllnd_wait(ni, w);
+ }
#else
while (buf->plb_posted) {
rc = PtlMDUnlink(buf->plb_md);
break;
}
LASSERT (rc == PTL_MD_IN_USE);
- if (cfs_time_current_sec() > start + w) {
- CWARN("Waited %ds to unlink buffer\n", w);
- w *= 2;
- }
- ptllnd_wait(ni, w*1000);
+ if (w > 0 && cfs_time_current_sec() > start + w/1000) {
+ CWARN("Waited %ds to unlink buffer\n",
+ cfs_time_current_sec() - start);
+ w *= 2;
+ }
+ ptllnd_wait(ni, w);
}
#endif
}
int
ptllnd_ctl(lnet_ni_t *ni, unsigned int cmd, void *arg)
{
- switch (cmd) {
- case IOC_LIBCFS_DEBUG_PEER:
- ptllnd_debug_peer(ni, *((lnet_process_id_t *)arg));
- return 0;
-
- default:
- return -EINVAL;
- }
+ switch (cmd) {
+ case IOC_LIBCFS_DEBUG_PEER:
+ ptllnd_dump_debug(ni, *((lnet_process_id_t *)arg));
+ return 0;
+
+ default:
+ return -EINVAL;
+ }
}
__u64
{
ptllnd_ni_t *plni = ni->ni_data;
int rc;
- time_t start = cfs_time_current_sec();
- int w = PTLLND_WARN_LONG_WAIT;
+ time_t start = cfs_time_current_sec();
+ int w = plni->plni_long_wait;
LASSERT (ptllnd_ni_count == 1);
- plni->plni_max_tx_history = 0;
+ plni->plni_max_tx_history = 0;
- ptllnd_cull_tx_history(plni);
+ ptllnd_cull_tx_history(plni);
- ptllnd_destroy_buffers(ni);
ptllnd_close_peers(ni);
+ ptllnd_destroy_buffers(ni);
while (plni->plni_npeers > 0) {
- if (cfs_time_current_sec() > start + w) {
- CWARN("Waited %ds for peers to shutdown\n", w);
- w *= 2;
- }
- ptllnd_wait(ni, w*1000);
- }
+ if (w > 0 && cfs_time_current_sec() > start + w/1000) {
+ CWARN("Waited %ds for peers to shutdown\n",
+ (int)(cfs_time_current_sec() - start));
+ w *= 2;
+ }
+ ptllnd_wait(ni, w);
+ }
LASSERT (plni->plni_ntxs == 0);
LASSERT (plni->plni_nrxs == 0);
ptllnd_ni_t *plni;
int rc;
- /* could get limits from portals I guess... */
- ni->ni_maxtxcredits =
- ni->ni_peertxcredits = 1000;
+ /* could get limits from portals I guess... */
+ ni->ni_maxtxcredits =
+ ni->ni_peertxcredits = 1000;
if (ptllnd_ni_count != 0) {
CERROR("Can't have > 1 instance of ptllnd\n");
ptllnd_ni_count++;
+ rc = ptllnd_history_init();
+ if (rc != 0) {
+ CERROR("Can't init history\n");
+ goto failed0;
+ }
+
LIBCFS_ALLOC(plni, sizeof(*plni));
if (plni == NULL) {
CERROR("Can't allocate ptllnd state\n");
plni->plni_stamp = ptllnd_get_timestamp();
plni->plni_nrxs = 0;
plni->plni_ntxs = 0;
- plni->plni_ntx_history = 0;
+ plni->plni_ntx_history = 0;
+ plni->plni_watchdog_peeridx = 0;
+ plni->plni_watchdog_nextt = cfs_time_current_sec();
CFS_INIT_LIST_HEAD(&plni->plni_zombie_txs);
CFS_INIT_LIST_HEAD(&plni->plni_tx_history);
rc = PtlNIInit(PTL_IFACE_DEFAULT, plni->plni_ptllnd_pid,
NULL, NULL, &plni->plni_nih);
if (rc != PTL_OK && rc != PTL_IFACE_DUP) {
- CERROR("PtlNIInit failed: %d\n", rc);
+ CERROR("PtlNIInit failed: %s(%d)\n",
+ ptllnd_errtype2str(rc), rc);
rc = -ENODEV;
goto failed2;
}
rc = PtlEQAlloc(plni->plni_nih, plni->plni_eq_size,
PTL_EQ_HANDLER_NONE, &plni->plni_eqh);
if (rc != PTL_OK) {
- CERROR("PtlEQAlloc failed: %d\n", rc);
+ CERROR("PtlEQAlloc failed: %s(%d)\n",
+ ptllnd_errtype2str(rc), rc);
rc = -ENODEV;
goto failed3;
}
/*
* Fetch the Portals NID
*/
- if(rc != PtlGetId(plni->plni_nih,&plni->plni_portals_id)){
- CERROR ("PtlGetID failed : %d\n", rc);
+ rc = PtlGetId(plni->plni_nih, &plni->plni_portals_id);
+ if (rc != PTL_OK) {
+ CERROR ("PtlGetID failed : %s(%d)\n",
+ ptllnd_errtype2str(rc), rc);
rc = -EINVAL;
goto failed4;
}
- CDEBUG(D_NET, "lnet nid=" LPX64 " (passed in)\n",ni->ni_nid);
-
/*
* Create the new NID. Based on the LND network type
* and the lower ni's address data.
libcfs_id2str((lnet_process_id_t) {
.nid = ni->ni_nid, .pid = the_lnet.ln_pid}));
- rc = ptllnd_grow_buffers(ni);
+ rc = ptllnd_size_buffers(ni, 0);
if (rc != 0)
goto failed4;
- return 0;
+ return 0;
failed4:
ptllnd_destroy_buffers(ni);
failed1:
LIBCFS_FREE(plni, sizeof(*plni));
failed0:
+ ptllnd_history_fini();
ptllnd_ni_count--;
CDEBUG(D_NET, "<<< rc=%d\n",rc);
return rc;
DO_TYPE(PTL_EVENT_SEND_END);
DO_TYPE(PTL_EVENT_UNLINK);
default:
- return "";
+ return "<unknown event type>";
}
#undef DO_TYPE
}
DO_TYPE(PTLLND_MSG_TYPE_NOOP);
DO_TYPE(PTLLND_MSG_TYPE_NAK);
default:
- return "";
+ return "<unknown msg type>";
+ }
+#undef DO_TYPE
+}
+
+const char *ptllnd_errtype2str(int type)
+{
+#define DO_TYPE(x) case x: return #x;
+ switch(type)
+ {
+ DO_TYPE(PTL_OK);
+ DO_TYPE(PTL_SEGV);
+ DO_TYPE(PTL_NO_SPACE);
+ DO_TYPE(PTL_ME_IN_USE);
+ DO_TYPE(PTL_NAL_FAILED);
+ DO_TYPE(PTL_NO_INIT);
+ DO_TYPE(PTL_IFACE_DUP);
+ DO_TYPE(PTL_IFACE_INVALID);
+ DO_TYPE(PTL_HANDLE_INVALID);
+ DO_TYPE(PTL_MD_INVALID);
+ DO_TYPE(PTL_ME_INVALID);
+ DO_TYPE(PTL_PROCESS_INVALID);
+ DO_TYPE(PTL_PT_INDEX_INVALID);
+ DO_TYPE(PTL_SR_INDEX_INVALID);
+ DO_TYPE(PTL_EQ_INVALID);
+ DO_TYPE(PTL_EQ_DROPPED);
+ DO_TYPE(PTL_EQ_EMPTY);
+ DO_TYPE(PTL_MD_NO_UPDATE);
+ DO_TYPE(PTL_FAIL);
+ DO_TYPE(PTL_AC_INDEX_INVALID);
+ DO_TYPE(PTL_MD_ILLEGAL);
+ DO_TYPE(PTL_ME_LIST_TOO_LONG);
+ DO_TYPE(PTL_MD_IN_USE);
+ DO_TYPE(PTL_NI_INVALID);
+ DO_TYPE(PTL_PID_INVALID);
+ DO_TYPE(PTL_PT_FULL);
+ DO_TYPE(PTL_VAL_FAILED);
+ DO_TYPE(PTL_NOT_IMPLEMENTED);
+ DO_TYPE(PTL_NO_ACK);
+ DO_TYPE(PTL_EQ_IN_USE);
+ DO_TYPE(PTL_PID_IN_USE);
+ DO_TYPE(PTL_INV_EQ_SIZE);
+ DO_TYPE(PTL_AGAIN);
+ default:
+ return "<unknown error type>";
}
#undef DO_TYPE
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff