1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
6 * This file is part of Portals, http://www.sf.net/projects/lustre/
8 * Portals is free software; you can redistribute it and/or
9 * modify it under the terms of version 2 of the GNU General Public
10 * License as published by the Free Software Foundation.
12 * Portals is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Portals; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include <libcfs/libcfsutil.h>
24 #include <lnet/api-support.h>
25 #include <lnet/lnetctl.h>
26 #include <lnet/socklnd.h>
28 unsigned int libcfs_debug;
29 unsigned int libcfs_printk = D_CANTMASK;
34 /* Convert a string boolean to an int; "enable" -> 1 */
36 lnet_parse_bool (int *b, char *str)
38 if (!strcasecmp (str, "no") ||
39 !strcasecmp (str, "n") ||
40 !strcasecmp (str, "off") ||
41 !strcasecmp (str, "down") ||
42 !strcasecmp (str, "disable"))
48 if (!strcasecmp (str, "yes") ||
49 !strcasecmp (str, "y") ||
50 !strcasecmp (str, "on") ||
51 !strcasecmp (str, "up") ||
52 !strcasecmp (str, "enable"))
62 lnet_parse_port (int *port, char *str)
66 *port = strtol (str, &end, 0);
68 if (*end == 0 && /* parsed whole string */
69 *port > 0 && *port < 65536) /* minimal sanity check */
75 #ifdef HAVE_GETHOSTBYNAME
76 static struct hostent *
77 ptl_gethostbyname(char * hname) {
79 he = gethostbyname(hname);
84 fprintf(stderr, "Unable to resolve hostname: %s\n",
88 fprintf(stderr, "gethostbyname error for %s: %s\n",
89 hname, strerror(h_errno));
99 lnet_parse_ipquad (__u32 *ipaddrp, char *str)
106 if (sscanf (str, "%d.%d.%d.%d", &a, &b, &c, &d) == 4 &&
107 (a & ~0xff) == 0 && (b & ~0xff) == 0 &&
108 (c & ~0xff) == 0 && (d & ~0xff) == 0)
110 *ipaddrp = (a<<24)|(b<<16)|(c<<8)|d;
118 lnet_parse_ipaddr (__u32 *ipaddrp, char *str)
120 #ifdef HAVE_GETHOSTBYNAME
124 if (!strcmp (str, "_all_")) {
129 if (lnet_parse_ipquad(ipaddrp, str) == 0)
132 #ifdef HAVE_GETHOSTBYNAME
133 if ((('a' <= str[0] && str[0] <= 'z') ||
134 ('A' <= str[0] && str[0] <= 'Z')) &&
135 (he = ptl_gethostbyname (str)) != NULL) {
136 __u32 addr = *(__u32 *)he->h_addr;
138 *ipaddrp = ntohl(addr); /* HOST byte order */
147 ptl_ipaddr_2_str (__u32 ipaddr, char *str, int lookup)
149 #ifdef HAVE_GETHOSTBYNAME
154 net_ip = htonl (ipaddr);
155 he = gethostbyaddr (&net_ip, sizeof (net_ip), AF_INET);
157 strcpy(str, he->h_name);
163 sprintf (str, "%d.%d.%d.%d",
164 (ipaddr >> 24) & 0xff, (ipaddr >> 16) & 0xff,
165 (ipaddr >> 8) & 0xff, ipaddr & 0xff);
170 lnet_parse_time (time_t *t, char *str)
176 *t = strtol (str, &end, 0);
177 if (*end == 0) /* parsed whole string */
180 memset (&tm, 0, sizeof (tm));
181 n = sscanf (str, "%d-%d-%d-%d:%d:%d",
182 &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
183 &tm.tm_hour, &tm.tm_min, &tm.tm_sec);
187 tm.tm_mon--; /* convert to 0 == Jan */
188 tm.tm_year -= 1900; /* y2k quirk */
189 tm.tm_isdst = -1; /* dunno if it's daylight savings... */
192 if (*t == (time_t)-1)
198 int g_net_is_set (char *cmd)
205 "You must run the 'network' command before '%s'.\n",
210 int g_net_is_compatible (char *cmd, ...)
215 if (!g_net_is_set(cmd))
221 nal = va_arg (ap, int);
222 if (nal == LNET_NETTYP(g_net)) {
232 "Command %s not compatible with %s NAL\n",
234 libcfs_lnd2str(LNET_NETTYP(g_net)));
238 int ptl_initialize(int argc, char **argv)
240 register_ioc_dev(LNET_DEV_ID, LNET_DEV_PATH,
241 LNET_DEV_MAJOR, LNET_DEV_MINOR);
246 int jt_ptl_network(int argc, char **argv)
248 struct libcfs_ioctl_data data;
249 __u32 net = LNET_NIDNET(LNET_NID_ANY);
253 fprintf(stderr, "usage: %s <net>|up|down\n", argv[0]);
257 if (!strcmp(argv[1], "unconfigure") ||
258 !strcmp(argv[1], "down")) {
259 LIBCFS_IOC_INIT(data);
260 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_UNCONFIGURE, &data);
263 printf ("LNET ready to unload\n");
268 fprintf(stderr, "LNET busy\n");
270 fprintf(stderr, "LNET unconfigure error %d: %s\n",
271 errno, strerror(errno));
275 if (!strcmp(argv[1], "configure") ||
276 !strcmp(argv[1], "up")) {
277 LIBCFS_IOC_INIT(data);
278 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_CONFIGURE, &data);
281 printf ("LNET configured\n");
285 fprintf(stderr, "LNET configure error %d: %s\n",
286 errno, strerror(errno));
290 net = libcfs_str2net(argv[1]);
291 if (net == LNET_NIDNET(LNET_NID_ANY)) {
292 fprintf(stderr, "Can't parse net %s\n", argv[1]);
302 jt_ptl_list_nids(int argc, char **argv)
304 struct libcfs_ioctl_data data;
305 int all = 0, return_nid = 0;
309 all = (argc == 2) && (strcmp(argv[1], "all") == 0);
310 /* Hack to pass back value */
311 return_nid = (argc == 2) && (argv[1][0] == 1);
313 if ((argc > 2) && !(all || return_nid)) {
314 fprintf(stderr, "usage: %s [all]\n", argv[0]);
318 for (count = 0;; count++) {
319 LIBCFS_IOC_INIT (data);
320 data.ioc_count = count;
321 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_NI, &data);
324 if ((count > 0) && (errno == ENOENT))
325 /* We found them all */
327 fprintf(stderr,"IOC_LIBCFS_GET_NI error %d: %s\n",
328 errno, strerror(errno));
332 if (all || (LNET_NETTYP(LNET_NIDNET(data.ioc_nid)) != LOLND)) {
333 printf("%s\n", libcfs_nid2str(data.ioc_nid));
335 *(__u64 *)(argv[1]) = data.ioc_nid;
345 jt_ptl_which_nid (int argc, char **argv)
347 struct libcfs_ioctl_data data;
350 lnet_nid_t best_nid = LNET_NID_ANY;
359 fprintf(stderr, "usage: %s NID [NID...]\n", argv[0]);
363 for (i = 1; i < argc; i++) {
365 nid = libcfs_str2nid(nidstr);
366 if (nid == LNET_NID_ANY) {
367 fprintf(stderr, "Can't parse NID %s\n", nidstr);
371 LIBCFS_IOC_INIT(data);
374 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LNET_DIST, &data);
376 fprintf(stderr, "Can't get distance to %s: %s\n",
377 nidstr, strerror(errno));
381 dist = data.ioc_u32[0];
382 order = data.ioc_u32[1];
385 if (dist == -EHOSTUNREACH)
388 fprintf(stderr, "Unexpected distance to %s: %d\n",
393 if (best_nid == LNET_NID_ANY ||
395 (dist == best_dist && order < best_order)) {
402 if (best_nid == LNET_NID_ANY) {
403 fprintf(stderr, "No reachable NID\n");
407 printf("%s\n", libcfs_nid2str(best_nid));
412 jt_ptl_print_interfaces (int argc, char **argv)
414 struct libcfs_ioctl_data data;
419 if (!g_net_is_compatible (argv[0], SOCKLND, 0))
422 for (index = 0;;index++) {
423 LIBCFS_IOC_INIT(data);
424 data.ioc_net = g_net;
425 data.ioc_count = index;
427 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_INTERFACE, &data);
431 printf ("%s: (%s/%s) npeer %d nroute %d\n",
432 ptl_ipaddr_2_str(data.ioc_u32[0], buffer[2], 1),
433 ptl_ipaddr_2_str(data.ioc_u32[0], buffer[0], 0),
434 ptl_ipaddr_2_str(data.ioc_u32[1], buffer[1], 0),
435 data.ioc_u32[2], data.ioc_u32[3]);
439 if (errno == ENOENT) {
440 printf ("<no interfaces>\n");
442 fprintf(stderr, "Error getting interfaces: %s: "
452 jt_ptl_add_interface (int argc, char **argv)
454 struct libcfs_ioctl_data data;
457 __u32 netmask = 0xffffff00;
462 if (argc < 2 || argc > 3) {
463 fprintf (stderr, "usage: %s ipaddr [netmask]\n", argv[0]);
467 if (!g_net_is_compatible(argv[0], SOCKLND, 0))
470 if (lnet_parse_ipaddr(&ipaddr, argv[1]) != 0) {
471 fprintf (stderr, "Can't parse ip: %s\n", argv[1]);
476 count = strtol(argv[2], &end, 0);
477 if (count > 0 && count < 32 && *end == 0) {
479 for (i = count; i > 0; i--)
480 netmask = netmask|(1<<(32-i));
481 } else if (lnet_parse_ipquad(&netmask, argv[2]) != 0) {
482 fprintf (stderr, "Can't parse netmask: %s\n", argv[2]);
487 LIBCFS_IOC_INIT(data);
488 data.ioc_net = g_net;
489 data.ioc_u32[0] = ipaddr;
490 data.ioc_u32[1] = netmask;
492 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_INTERFACE, &data);
494 fprintf (stderr, "failed to add interface: %s\n",
503 jt_ptl_del_interface (int argc, char **argv)
505 struct libcfs_ioctl_data data;
510 fprintf (stderr, "usage: %s [ipaddr]\n", argv[0]);
514 if (!g_net_is_compatible(argv[0], SOCKLND, 0))
518 lnet_parse_ipaddr(&ipaddr, argv[1]) != 0) {
519 fprintf (stderr, "Can't parse ip: %s\n", argv[1]);
523 LIBCFS_IOC_INIT(data);
524 data.ioc_net = g_net;
525 data.ioc_u32[0] = ipaddr;
527 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_INTERFACE, &data);
529 fprintf (stderr, "failed to delete interface: %s\n",
538 jt_ptl_print_peers (int argc, char **argv)
540 struct libcfs_ioctl_data data;
541 lnet_process_id_t id;
546 if (!g_net_is_compatible (argv[0], SOCKLND, RALND, PTLLND, MXLND,
547 OPENIBLND, CIBLND, IIBLND, VIBLND, O2IBLND, 0))
550 for (index = 0;;index++) {
551 LIBCFS_IOC_INIT(data);
552 data.ioc_net = g_net;
553 data.ioc_count = index;
555 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_PEER, &data);
559 if (g_net_is_compatible(NULL, SOCKLND, 0)) {
560 id.nid = data.ioc_nid;
561 id.pid = data.ioc_u32[4];
562 printf ("%-20s [%d]%s->%s:%d #%d\n",
564 data.ioc_count, /* persistence */
565 ptl_ipaddr_2_str (data.ioc_u32[2], buffer[0], 1), /* my ip */
566 ptl_ipaddr_2_str (data.ioc_u32[0], buffer[1], 1), /* peer ip */
567 data.ioc_u32[1], /* peer port */
568 data.ioc_u32[3]); /* conn_count */
569 } else if (g_net_is_compatible(NULL, PTLLND, 0)) {
570 id.nid = data.ioc_nid;
571 id.pid = data.ioc_u32[4];
572 printf ("%-20s s %d%s [%d] "LPD64".%06d"
573 " m "LPD64"/"LPD64" q %d/%d c %d/%d\n",
575 data.ioc_net, /* state */
576 data.ioc_flags ? "" : " ~!h", /* sent_hello */
577 data.ioc_count, /* refcount */
578 data.ioc_u64[0]/1000000, /* incarnation secs */
579 (int)(data.ioc_u64[0]%1000000), /* incarnation usecs */
580 (((__u64)data.ioc_u32[1])<<32) |
581 ((__u64)data.ioc_u32[0]), /* next_matchbits */
582 (((__u64)data.ioc_u32[3])<<32) |
583 ((__u64)data.ioc_u32[2]), /* last_matchbits_seen */
584 data.ioc_u32[5] >> 16, /* nsendq */
585 data.ioc_u32[5] & 0xffff, /* nactiveq */
586 data.ioc_u32[6] >> 16, /* credits */
587 data.ioc_u32[6] & 0xffff); /* outstanding_credits */
588 } else if (g_net_is_compatible(NULL, RALND, OPENIBLND, CIBLND, VIBLND, 0)) {
589 printf ("%-20s [%d]@%s:%d\n",
590 libcfs_nid2str(data.ioc_nid), /* peer nid */
591 data.ioc_count, /* peer persistence */
592 ptl_ipaddr_2_str (data.ioc_u32[0], buffer[1], 1), /* peer ip */
593 data.ioc_u32[1]); /* peer port */
595 printf ("%-20s [%d]\n",
596 libcfs_nid2str(data.ioc_nid), data.ioc_count);
601 if (errno == ENOENT) {
602 printf ("<no peers>\n");
604 fprintf(stderr, "Error getting peer list: %s: "
613 jt_ptl_add_peer (int argc, char **argv)
615 struct libcfs_ioctl_data data;
621 if (!g_net_is_compatible (argv[0], SOCKLND, RALND,
622 OPENIBLND, CIBLND, IIBLND, VIBLND, 0))
625 if (g_net_is_compatible(NULL, SOCKLND, OPENIBLND, CIBLND, RALND, 0)) {
627 fprintf (stderr, "usage(tcp,openib,cib,ra): %s nid ipaddr port\n",
631 } else if (g_net_is_compatible(NULL, VIBLND, 0)) {
633 fprintf (stderr, "usage(vib): %s nid ipaddr\n",
637 } else if (argc != 2) {
638 fprintf (stderr, "usage(iib): %s nid\n", argv[0]);
642 nid = libcfs_str2nid(argv[1]);
643 if (nid == LNET_NID_ANY) {
644 fprintf (stderr, "Can't parse NID: %s\n", argv[1]);
648 if (g_net_is_compatible (NULL, SOCKLND, OPENIBLND, CIBLND, VIBLND, RALND, 0) &&
649 lnet_parse_ipaddr (&ip, argv[2]) != 0) {
650 fprintf (stderr, "Can't parse ip addr: %s\n", argv[2]);
654 if (g_net_is_compatible (NULL, SOCKLND, OPENIBLND, CIBLND, RALND, 0) &&
655 lnet_parse_port (&port, argv[3]) != 0) {
656 fprintf (stderr, "Can't parse port: %s\n", argv[3]);
660 LIBCFS_IOC_INIT(data);
661 data.ioc_net = g_net;
663 data.ioc_u32[0] = ip;
664 data.ioc_u32[1] = port;
666 rc = l_ioctl (LNET_DEV_ID, IOC_LIBCFS_ADD_PEER, &data);
668 fprintf (stderr, "failed to add peer: %s\n",
677 jt_ptl_del_peer (int argc, char **argv)
679 struct libcfs_ioctl_data data;
680 lnet_nid_t nid = LNET_NID_ANY;
681 lnet_pid_t pid = LNET_PID_ANY;
686 if (!g_net_is_compatible (argv[0], SOCKLND, RALND, MXLND, PTLLND,
687 OPENIBLND, CIBLND, IIBLND, VIBLND, O2IBLND, 0))
690 if (g_net_is_compatible(NULL, SOCKLND, 0)) {
692 fprintf (stderr, "usage: %s [nid] [ipaddr]\n",
696 } else if (g_net_is_compatible(NULL, PTLLND, 0)) {
698 fprintf (stderr, "usage: %s [nid] [pid]\n",
702 } else if (argc > 2) {
703 fprintf (stderr, "usage: %s [nid]\n", argv[0]);
708 !libcfs_str2anynid(&nid, argv[1])) {
709 fprintf (stderr, "Can't parse nid: %s\n", argv[1]);
713 if (g_net_is_compatible(NULL, SOCKLND, 0)) {
715 lnet_parse_ipaddr (&ip, argv[2]) != 0) {
716 fprintf (stderr, "Can't parse ip addr: %s\n",
720 } else if (g_net_is_compatible(NULL, PTLLND, 0)) {
722 pid = strtol(argv[2], &end, 0);
723 if (end == argv[2] || *end == 0) {
724 fprintf(stderr, "Can't parse pid %s\n",
731 LIBCFS_IOC_INIT(data);
732 data.ioc_net = g_net;
734 data.ioc_u32[0] = ip;
735 data.ioc_u32[1] = pid;
737 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_PEER, &data);
739 fprintf (stderr, "failed to remove peer: %s\n",
748 jt_ptl_print_connections (int argc, char **argv)
750 struct libcfs_ioctl_data data;
751 lnet_process_id_t id;
756 if (!g_net_is_compatible (argv[0], SOCKLND, RALND, MXLND,
757 OPENIBLND, CIBLND, IIBLND, VIBLND, O2IBLND, 0))
760 for (index = 0; ; index++) {
761 LIBCFS_IOC_INIT(data);
762 data.ioc_net = g_net;
763 data.ioc_count = index;
765 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_CONN, &data);
769 if (g_net_is_compatible (NULL, SOCKLND, 0)) {
770 id.nid = data.ioc_nid;
771 id.pid = data.ioc_u32[6];
772 printf ("%-20s %s[%d]%s->%s:%d %d/%d %s\n",
774 (data.ioc_u32[3] == SOCKLND_CONN_ANY) ? "A" :
775 (data.ioc_u32[3] == SOCKLND_CONN_CONTROL) ? "C" :
776 (data.ioc_u32[3] == SOCKLND_CONN_BULK_IN) ? "I" :
777 (data.ioc_u32[3] == SOCKLND_CONN_BULK_OUT) ? "O" : "?",
778 data.ioc_u32[4], /* scheduler */
779 ptl_ipaddr_2_str (data.ioc_u32[2], buffer[0], 1), /* local IP addr */
780 ptl_ipaddr_2_str (data.ioc_u32[0], buffer[1], 1), /* remote IP addr */
781 data.ioc_u32[1], /* remote port */
782 data.ioc_count, /* tx buffer size */
783 data.ioc_u32[5], /* rx buffer size */
784 data.ioc_flags ? "nagle" : "nonagle");
785 } else if (g_net_is_compatible (NULL, RALND, 0)) {
786 printf ("%-20s [%d]\n",
787 libcfs_nid2str(data.ioc_nid),
788 data.ioc_u32[0] /* device id */);
789 } else if (g_net_is_compatible (NULL, O2IBLND, 0)) {
790 printf ("%s mtu %d\n",
791 libcfs_nid2str(data.ioc_nid),
792 data.ioc_u32[0]); /* path MTU */
794 printf ("%s\n", libcfs_nid2str(data.ioc_nid));
799 if (errno == ENOENT) {
800 printf ("<no connections>\n");
802 fprintf(stderr, "Error getting connection list: %s: "
810 int jt_ptl_disconnect(int argc, char **argv)
812 struct libcfs_ioctl_data data;
813 lnet_nid_t nid = LNET_NID_ANY;
818 fprintf(stderr, "usage: %s [nid] [ipaddr]\n", argv[0]);
822 if (!g_net_is_compatible (NULL, SOCKLND, RALND, MXLND,
823 OPENIBLND, CIBLND, IIBLND, VIBLND, O2IBLND, 0))
827 !libcfs_str2anynid(&nid, argv[1])) {
828 fprintf (stderr, "Can't parse nid %s\n", argv[1]);
832 if (g_net_is_compatible (NULL, SOCKLND, 0) &&
834 lnet_parse_ipaddr (&ipaddr, argv[2]) != 0) {
835 fprintf (stderr, "Can't parse ip addr %s\n", argv[2]);
839 LIBCFS_IOC_INIT(data);
840 data.ioc_net = g_net;
842 data.ioc_u32[0] = ipaddr;
844 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_CLOSE_CONNECTION, &data);
846 fprintf(stderr, "failed to remove connection: %s\n",
854 int jt_ptl_push_connection (int argc, char **argv)
856 struct libcfs_ioctl_data data;
858 lnet_nid_t nid = LNET_NID_ANY;
861 fprintf(stderr, "usage: %s [nid]\n", argv[0]);
865 if (!g_net_is_compatible (argv[0], SOCKLND, 0))
869 !libcfs_str2anynid(&nid, argv[1])) {
870 fprintf(stderr, "Can't parse nid: %s\n", argv[1]);
874 LIBCFS_IOC_INIT(data);
875 data.ioc_net = g_net;
878 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_PUSH_CONNECTION, &data);
880 fprintf(stderr, "failed to push connection: %s\n",
889 jt_ptl_print_active_txs (int argc, char **argv)
891 struct libcfs_ioctl_data data;
895 if (!g_net_is_compatible (argv[0], QSWLND, 0))
898 for (index = 0;;index++) {
899 LIBCFS_IOC_INIT(data);
900 data.ioc_net = g_net;
901 data.ioc_count = index;
903 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_TXDESC, &data);
907 printf ("type %u payload %6d to %s via %s by pid %6d: "
908 "%s, %s, state %d\n",
911 libcfs_nid2str(data.ioc_nid),
912 libcfs_nid2str(data.ioc_u64[0]),
914 (data.ioc_flags & 1) ? "delayed" : "immediate",
915 (data.ioc_flags & 2) ? "nblk" : "normal",
916 data.ioc_flags >> 2);
920 if (errno == ENOENT) {
921 printf ("<no active descs>\n");
923 fprintf(stderr, "Error getting active transmits list: "
924 "%s: check dmesg.\n",
931 int jt_ptl_ping(int argc, char **argv)
935 lnet_process_id_t id;
936 lnet_process_id_t ids[16];
937 int maxids = sizeof(ids)/sizeof(ids[0]);
938 struct libcfs_ioctl_data data;
943 fprintf(stderr, "usage: %s id [timeout (secs)]\n", argv[0]);
947 sep = strchr(argv[1], '-');
949 id.pid = LNET_PID_ANY;
950 id.nid = libcfs_str2nid(argv[1]);
951 if (id.nid == LNET_NID_ANY) {
952 fprintf (stderr, "Can't parse nid \"%s\"\n", argv[1]);
958 if (argv[1][0] == 'u' ||
960 id.pid = strtoul(&argv[1][1], &end, 0) | LNET_PID_USERFLAG;
962 id.pid = strtoul(argv[1], &end, 0);
964 id.nid = libcfs_str2nid(sep + 1);
967 id.nid == LNET_NID_ANY) {
968 fprintf(stderr, "Can't parse process id \"%s\"\n", argv[1]);
974 timeout = 1000 * atol(argv[2]);
976 timeout = 1000; /* default 1 second timeout */
978 LIBCFS_IOC_INIT (data);
979 data.ioc_nid = id.nid;
980 data.ioc_u32[0] = id.pid;
981 data.ioc_u32[1] = timeout;
982 data.ioc_plen1 = sizeof(ids);
983 data.ioc_pbuf1 = (char *)ids;
985 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_PING, &data);
987 fprintf(stderr, "failed to ping %s: %s\n",
988 id.pid == LNET_PID_ANY ?
989 libcfs_nid2str(id.nid) : libcfs_id2str(id),
994 for (i = 0; i < data.ioc_count && i < maxids; i++)
995 printf("%s\n", libcfs_id2str(ids[i]));
997 if (data.ioc_count > maxids)
998 printf("%d out of %d ids listed\n", maxids, data.ioc_count);
1003 int jt_ptl_mynid(int argc, char **argv)
1005 struct libcfs_ioctl_data data;
1010 fprintf(stderr, "usage: %s NID\n", argv[0]);
1014 nid = libcfs_str2nid(argv[1]);
1015 if (nid == LNET_NID_ANY) {
1016 fprintf(stderr, "Can't parse NID '%s'\n", argv[1]);
1020 LIBCFS_IOC_INIT(data);
1021 data.ioc_net = LNET_NIDNET(nid);
1024 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_REGISTER_MYNID, &data);
1026 fprintf(stderr, "setting my NID failed: %s\n",
1029 printf("registered my nid %s\n", libcfs_nid2str(nid));
1035 jt_ptl_fail_nid (int argc, char **argv)
1039 unsigned int threshold;
1040 struct libcfs_ioctl_data data;
1042 if (argc < 2 || argc > 3)
1044 fprintf (stderr, "usage: %s nid|\"*\" [count (0 == mend)]\n", argv[0]);
1048 if (!libcfs_str2anynid(&nid, argv[1]))
1050 fprintf (stderr, "Can't parse nid \"%s\"\n", argv[1]);
1055 threshold = LNET_MD_THRESH_INF;
1056 } else if (sscanf (argv[2], "%i", &threshold) != 1) {
1057 fprintf (stderr, "Can't parse count \"%s\"\n", argv[2]);
1061 LIBCFS_IOC_INIT (data);
1063 data.ioc_count = threshold;
1065 rc = l_ioctl (LNET_DEV_ID, IOC_LIBCFS_FAIL_NID, &data);
1067 fprintf (stderr, "IOC_LIBCFS_FAIL_NID failed: %s\n",
1070 printf ("%s %s\n", threshold == 0 ? "Unfailing" : "Failing", argv[1]);
1076 jt_ptl_add_route (int argc, char **argv)
1078 struct libcfs_ioctl_data data;
1079 lnet_nid_t gateway_nid;
1080 unsigned int hops = 1;
1084 if (argc < 2 || argc > 3)
1086 fprintf (stderr, "usage: %s gateway [hopcount]\n", argv[0]);
1090 if (!g_net_is_set(argv[0]))
1093 gateway_nid = libcfs_str2nid(argv[1]);
1094 if (gateway_nid == LNET_NID_ANY) {
1095 fprintf (stderr, "Can't parse gateway NID \"%s\"\n", argv[1]);
1100 hops = strtoul(argv[2], &end, 0);
1101 if (hops >= 256 || *end != 0) {
1102 fprintf (stderr, "Can't parse hopcount \"%s\"\n", argv[2]);
1107 LIBCFS_IOC_INIT(data);
1108 data.ioc_net = g_net;
1109 data.ioc_count = hops;
1110 data.ioc_nid = gateway_nid;
1112 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_ROUTE, &data);
1114 fprintf (stderr, "IOC_LIBCFS_ADD_ROUTE failed: %s\n", strerror (errno));
1122 jt_ptl_del_route (int argc, char **argv)
1124 struct libcfs_ioctl_data data;
1129 fprintf (stderr, "usage: %s gatewayNID\n", argv[0]);
1133 if (!libcfs_str2anynid(&nid, argv[1])) {
1134 fprintf (stderr, "Can't parse gateway NID "
1135 "\"%s\"\n", argv[1]);
1139 LIBCFS_IOC_INIT(data);
1140 data.ioc_net = g_net_set ? g_net : LNET_NIDNET(LNET_NID_ANY);
1143 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_ROUTE, &data);
1145 fprintf (stderr, "IOC_LIBCFS_DEL_ROUTE (%s) failed: %s\n",
1146 libcfs_nid2str(nid), strerror (errno));
1154 jt_ptl_notify_router (int argc, char **argv)
1156 struct libcfs_ioctl_data data;
1165 fprintf (stderr, "usage: %s targetNID <up/down> [<time>]\n",
1170 nid = libcfs_str2nid(argv[1]);
1171 if (nid == LNET_NID_ANY) {
1172 fprintf (stderr, "Can't parse target NID \"%s\"\n", argv[1]);
1176 if (lnet_parse_bool (&enable, argv[2]) != 0) {
1177 fprintf (stderr, "Can't parse boolean %s\n", argv[2]);
1181 gettimeofday(&now, NULL);
1185 } else if (lnet_parse_time (&when, argv[3]) != 0) {
1186 fprintf(stderr, "Can't parse time %s\n"
1187 "Please specify either 'YYYY-MM-DD-HH:MM:SS'\n"
1188 "or an absolute unix time in seconds\n", argv[3]);
1190 } else if (when > now.tv_sec) {
1191 fprintf (stderr, "%s specifies a time in the future\n",
1196 LIBCFS_IOC_INIT(data);
1198 data.ioc_flags = enable;
1199 /* Yeuch; 'cept I need a __u64 on 64 bit machines... */
1200 data.ioc_u64[0] = (__u64)when;
1202 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_NOTIFY_ROUTER, &data);
1204 fprintf (stderr, "IOC_LIBCFS_NOTIFY_ROUTER (%s) failed: %s\n",
1205 libcfs_nid2str(nid), strerror (errno));
1213 jt_ptl_print_routes (int argc, char **argv)
1215 struct libcfs_ioctl_data data;
1223 for (index = 0;;index++)
1225 LIBCFS_IOC_INIT(data);
1226 data.ioc_count = index;
1228 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_ROUTE, &data);
1233 hops = data.ioc_count;
1235 alive = data.ioc_flags;
1237 printf ("net %18s hops %u gw %32s %s\n",
1238 libcfs_net2str(net), hops,
1239 libcfs_nid2str(nid), alive ? "up" : "down");
1242 if (errno != ENOENT)
1243 fprintf(stderr, "Error getting routes: %s: check dmesg.\n",
1250 lwt_control(int enable, int clear)
1252 struct libcfs_ioctl_data data;
1255 LIBCFS_IOC_INIT(data);
1256 data.ioc_flags = (enable ? 1 : 0) | (clear ? 2 : 0);
1258 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_CONTROL, &data);
1262 fprintf(stderr, "IOC_LIBCFS_LWT_CONTROL failed: %s\n",
1268 lwt_snapshot(cycles_t *now, int *ncpu, int *totalsize,
1269 lwt_event_t *events, int size)
1271 struct libcfs_ioctl_data data;
1274 LIBCFS_IOC_INIT(data);
1275 data.ioc_pbuf1 = (char *)events;
1276 data.ioc_plen1 = size;
1278 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_SNAPSHOT, &data);
1280 fprintf(stderr, "IOC_LIBCFS_LWT_SNAPSHOT failed: %s\n",
1285 /* crappy overloads */
1286 if (data.ioc_u32[2] != sizeof(lwt_event_t) ||
1287 data.ioc_u32[3] != offsetof(lwt_event_t, lwte_where)) {
1288 fprintf(stderr,"kernel/user LWT event mismatch %d(%d),%d(%d)\n",
1289 (int)data.ioc_u32[2], (int)sizeof(lwt_event_t),
1290 (int)data.ioc_u32[3],
1291 (int)offsetof(lwt_event_t, lwte_where));
1296 *now = data.ioc_u64[0];
1298 LASSERT (data.ioc_u32[0] != 0);
1300 *ncpu = data.ioc_u32[0];
1302 LASSERT (data.ioc_u32[1] != 0);
1303 if (totalsize != NULL)
1304 *totalsize = data.ioc_u32[1];
1310 lwt_get_string(char *kstr)
1313 struct libcfs_ioctl_data data;
1317 /* FIXME: this could maintain a symbol table since we expect to be
1318 * looking up the same strings all the time... */
1320 LIBCFS_IOC_INIT(data);
1321 data.ioc_pbuf1 = kstr;
1322 data.ioc_plen1 = 1; /* non-zero just to fool portal_ioctl_is_invalid() */
1323 data.ioc_pbuf2 = NULL;
1326 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_LOOKUP_STRING, &data);
1328 fprintf(stderr, "IOC_LIBCFS_LWT_LOOKUP_STRING failed: %s\n",
1333 size = data.ioc_count;
1334 ustr = (char *)malloc(size);
1336 fprintf(stderr, "Can't allocate string storage of size %d\n",
1341 LIBCFS_IOC_INIT(data);
1342 data.ioc_pbuf1 = kstr;
1343 data.ioc_plen1 = 1; /* non-zero just to fool portal_ioctl_is_invalid() */
1344 data.ioc_pbuf2 = ustr;
1345 data.ioc_plen2 = size;
1347 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_LOOKUP_STRING, &data);
1349 fprintf(stderr, "IOC_LIBCFS_LWT_LOOKUP_STRING failed: %s\n",
1354 LASSERT(strlen(ustr) == size - 1);
1359 lwt_put_string(char *ustr)
1365 lwt_print(FILE *f, cycles_t t0, cycles_t tlast, double mhz, int cpu, lwt_event_t *e)
1368 # error "__WORDSIZE not defined"
1369 #elif __WORDSIZE == 32
1370 # define XFMT "%#010lx"
1371 #elif __WORDSIZE== 64
1372 # define XFMT "%#018lx"
1374 # error "Unexpected __WORDSIZE"
1376 char *where = lwt_get_string(e->lwte_where);
1381 fprintf(f, XFMT" "XFMT" "XFMT" "XFMT": "XFMT" %2d %10.6f %10.2f %s\n",
1382 e->lwte_p1, e->lwte_p2, e->lwte_p3, e->lwte_p4,
1383 (long)e->lwte_task, cpu, (e->lwte_when - t0) / (mhz * 1000000.0),
1384 (t0 == e->lwte_when) ? 0.0 : (e->lwte_when - tlast) / mhz,
1387 lwt_put_string(where);
1394 get_cycles_per_usec ()
1396 FILE *f = fopen ("/proc/cpuinfo", "r");
1401 while (fgets (line, sizeof (line), f) != NULL)
1402 if (sscanf (line, "cpu MHz : %lf", &mhz) == 1) {
1409 fprintf (stderr, "Can't read/parse /proc/cpuinfo\n");
1413 #define LWT_MAX_CPUS (32)
1416 jt_ptl_lwt(int argc, char **argv)
1420 int nevents_per_cpu;
1421 lwt_event_t *events;
1422 lwt_event_t *cpu_event[LWT_MAX_CPUS + 1];
1423 lwt_event_t *next_event[LWT_MAX_CPUS];
1424 lwt_event_t *first_event[LWT_MAX_CPUS];
1433 struct timeval tvnow;
1434 int printed_date = 0;
1439 (strcmp(argv[1], "start") &&
1440 strcmp(argv[1], "stop"))) {
1443 " %s stop [fname]\n", argv[0], argv[0]);
1447 if (!strcmp(argv[1], "start")) {
1449 if (lwt_control(0, 0) != 0)
1453 if (lwt_control(0, 1) != 0)
1457 if (lwt_control(1, 0) != 0)
1463 if (lwt_snapshot(NULL, &ncpus, &totalspace, NULL, 0) != 0)
1466 if (ncpus > LWT_MAX_CPUS) {
1467 fprintf(stderr, "Too many cpus: %d (%d)\n",
1468 ncpus, LWT_MAX_CPUS);
1472 events = (lwt_event_t *)malloc(totalspace);
1473 if (events == NULL) {
1474 fprintf(stderr, "Can't allocate %d\n", totalspace);
1478 if (lwt_control(0, 0) != 0) { /* disable */
1483 if (lwt_snapshot(&tnow, NULL, NULL, events, totalspace)) {
1488 /* we want this time to be sampled at snapshot time */
1489 gettimeofday(&tvnow, NULL);
1492 f = fopen (argv[2], "w");
1494 fprintf(stderr, "Can't open %s for writing: %s\n", argv[2], strerror (errno));
1500 mhz = get_cycles_per_usec();
1502 /* carve events into per-cpu slices */
1503 nevents_per_cpu = totalspace / (ncpus * sizeof(lwt_event_t));
1504 for (cpu = 0; cpu <= ncpus; cpu++)
1505 cpu_event[cpu] = &events[cpu * nevents_per_cpu];
1507 /* find the earliest event on each cpu */
1508 for (cpu = 0; cpu < ncpus; cpu++) {
1509 first_event[cpu] = NULL;
1511 for (e = cpu_event[cpu]; e < cpu_event[cpu + 1]; e++) {
1513 if (e->lwte_where == NULL) /* not an event */
1516 if (first_event[cpu] == NULL ||
1517 first_event[cpu]->lwte_when > e->lwte_when)
1518 first_event[cpu] = e;
1521 next_event[cpu] = first_event[cpu];
1525 for (cpu = 0; cpu < ncpus; cpu++) {
1526 e = first_event[cpu];
1527 if (e == NULL) /* no events this cpu */
1530 if (e == cpu_event[cpu])
1531 e = cpu_event[cpu + 1] - 1;
1535 /* If there's an event immediately before the first one, this
1536 * cpu wrapped its event buffer */
1537 if (e->lwte_where == NULL)
1540 /* We should only start outputting events from the most recent
1541 * first event in any wrapped cpu. Events before this time on
1542 * other cpus won't have any events from this CPU to interleave
1544 if (t0 < first_event[cpu]->lwte_when)
1545 t0 = first_event[cpu]->lwte_when;
1549 /* find which cpu has the next event */
1551 for (i = 0; i < ncpus; i++) {
1553 if (next_event[i] == NULL) /* this cpu exhausted */
1557 next_event[i]->lwte_when < next_event[cpu]->lwte_when)
1561 if (cpu < 0) /* all cpus exhausted */
1565 /* no wrapped cpus and this is he first ever event */
1566 t0 = next_event[cpu]->lwte_when;
1569 if (t0 <= next_event[cpu]->lwte_when) {
1570 /* on or after the first event */
1571 if (!printed_date) {
1572 cycles_t du = (tnow - t0) / mhz;
1573 time_t then = tvnow.tv_sec - du/1000000;
1575 if (du % 1000000 > tvnow.tv_usec)
1578 fprintf(f, "%s", ctime(&then));
1582 rc = lwt_print(f, t0, tlast, mhz, cpu, next_event[cpu]);
1586 if (++nlines % 10000 == 0 && f != stdout) {
1587 /* show some activity... */
1593 tlast = next_event[cpu]->lwte_when;
1596 if (next_event[cpu] == cpu_event[cpu + 1])
1597 next_event[cpu] = cpu_event[cpu];
1599 if (next_event[cpu]->lwte_where == NULL ||
1600 next_event[cpu] == first_event[cpu])
1601 next_event[cpu] = NULL;
1613 int jt_ptl_memhog(int argc, char **argv)
1615 static int gfp = 0; /* sticky! */
1617 struct libcfs_ioctl_data data;
1623 fprintf(stderr, "usage: %s <npages> [<GFP flags>]\n", argv[0]);
1627 count = strtol(argv[1], &end, 0);
1628 if (count < 0 || *end != 0) {
1629 fprintf(stderr, "Can't parse page count '%s'\n", argv[1]);
1634 rc = strtol(argv[2], &end, 0);
1636 fprintf(stderr, "Can't parse gfp flags '%s'\n", argv[2]);
1642 LIBCFS_IOC_INIT(data);
1643 data.ioc_count = count;
1644 data.ioc_flags = gfp;
1645 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_MEMHOG, &data);
1648 fprintf(stderr, "memhog %d failed: %s\n", count, strerror(errno));
1652 printf("memhog %d OK\n", count);
1656 int jt_ptl_testprotocompat(int argc, char **argv)
1658 struct libcfs_ioctl_data data;
1664 fprintf(stderr, "usage: %s <number>\n", argv[0]);
1668 flags = strtol(argv[1], &end, 0);
1669 if (flags < 0 || *end != 0) {
1670 fprintf(stderr, "Can't parse flags '%s'\n", argv[1]);
1674 LIBCFS_IOC_INIT(data);
1675 data.ioc_flags = flags;
1676 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_TESTPROTOCOMPAT, &data);
1679 fprintf(stderr, "test proto compat %x failed: %s\n",
1680 flags, strerror(errno));
1684 printf("test proto compat %x OK\n", flags);