2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
4 * This file is part of Portals, http://www.sf.net/projects/lustre/
6 * Portals is free software; you can redistribute it and/or
7 * modify it under the terms of version 2 of the GNU General Public
8 * License as published by the Free Software Foundation.
10 * Portals is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with Portals; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <libcfs/libcfsutil.h>
22 #include <lnet/api-support.h>
23 #include <lnet/lnetctl.h>
24 #include <lnet/socklnd.h>
26 unsigned int libcfs_debug;
27 unsigned int libcfs_printk = D_CANTMASK;
32 /* Convert a string boolean to an int; "enable" -> 1 */
34 lnet_parse_bool (int *b, char *str)
36 if (!strcasecmp (str, "no") ||
37 !strcasecmp (str, "n") ||
38 !strcasecmp (str, "off") ||
39 !strcasecmp (str, "down") ||
40 !strcasecmp (str, "disable"))
46 if (!strcasecmp (str, "yes") ||
47 !strcasecmp (str, "y") ||
48 !strcasecmp (str, "on") ||
49 !strcasecmp (str, "up") ||
50 !strcasecmp (str, "enable"))
60 lnet_parse_port (int *port, char *str)
64 *port = strtol (str, &end, 0);
66 if (*end == 0 && /* parsed whole string */
67 *port > 0 && *port < 65536) /* minimal sanity check */
73 #ifdef HAVE_GETHOSTBYNAME
74 static struct hostent *
75 ptl_gethostbyname(char * hname) {
77 he = gethostbyname(hname);
82 fprintf(stderr, "Unable to resolve hostname: %s\n",
86 fprintf(stderr, "gethostbyname error for %s: %s\n",
87 hname, strerror(h_errno));
97 lnet_parse_ipquad (__u32 *ipaddrp, char *str)
104 if (sscanf (str, "%d.%d.%d.%d", &a, &b, &c, &d) == 4 &&
105 (a & ~0xff) == 0 && (b & ~0xff) == 0 &&
106 (c & ~0xff) == 0 && (d & ~0xff) == 0)
108 *ipaddrp = (a<<24)|(b<<16)|(c<<8)|d;
116 lnet_parse_ipaddr (__u32 *ipaddrp, char *str)
118 #ifdef HAVE_GETHOSTBYNAME
122 if (!strcmp (str, "_all_")) {
127 if (lnet_parse_ipquad(ipaddrp, str) == 0)
130 #ifdef HAVE_GETHOSTBYNAME
131 if ((('a' <= str[0] && str[0] <= 'z') ||
132 ('A' <= str[0] && str[0] <= 'Z')) &&
133 (he = ptl_gethostbyname (str)) != NULL) {
134 __u32 addr = *(__u32 *)he->h_addr;
136 *ipaddrp = ntohl(addr); /* HOST byte order */
145 ptl_ipaddr_2_str (__u32 ipaddr, char *str, int lookup)
147 #ifdef HAVE_GETHOSTBYNAME
152 net_ip = htonl (ipaddr);
153 he = gethostbyaddr (&net_ip, sizeof (net_ip), AF_INET);
155 strcpy(str, he->h_name);
161 sprintf (str, "%d.%d.%d.%d",
162 (ipaddr >> 24) & 0xff, (ipaddr >> 16) & 0xff,
163 (ipaddr >> 8) & 0xff, ipaddr & 0xff);
168 lnet_parse_time (time_t *t, char *str)
174 *t = strtol (str, &end, 0);
175 if (*end == 0) /* parsed whole string */
178 memset (&tm, 0, sizeof (tm));
179 n = sscanf (str, "%d-%d-%d-%d:%d:%d",
180 &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
181 &tm.tm_hour, &tm.tm_min, &tm.tm_sec);
185 tm.tm_mon--; /* convert to 0 == Jan */
186 tm.tm_year -= 1900; /* y2k quirk */
187 tm.tm_isdst = -1; /* dunno if it's daylight savings... */
190 if (*t == (time_t)-1)
197 lnet_parse_nid(char *nid_str, lnet_process_id_t *id_ptr)
199 id_ptr->pid = LNET_PID_ANY;
200 id_ptr->nid = libcfs_str2nid(nid_str);
201 if (id_ptr->nid == LNET_NID_ANY) {
202 fprintf (stderr, "Can't parse nid \"%s\"\n", nid_str);
209 int g_net_is_set (char *cmd)
216 "You must run the 'network' command before '%s'.\n",
221 int g_net_is_compatible (char *cmd, ...)
226 if (!g_net_is_set(cmd))
232 nal = va_arg (ap, int);
233 if (nal == LNET_NETTYP(g_net)) {
243 "Command %s not compatible with %s NAL\n",
245 libcfs_lnd2str(LNET_NETTYP(g_net)));
249 int ptl_initialize(int argc, char **argv)
251 register_ioc_dev(LNET_DEV_ID, LNET_DEV_PATH,
252 LNET_DEV_MAJOR, LNET_DEV_MINOR);
257 int jt_ptl_network(int argc, char **argv)
259 struct libcfs_ioctl_data data;
260 __u32 net = LNET_NIDNET(LNET_NID_ANY);
264 fprintf(stderr, "usage: %s <net>|up|down\n", argv[0]);
268 if (!strcmp(argv[1], "unconfigure") ||
269 !strcmp(argv[1], "down")) {
270 LIBCFS_IOC_INIT(data);
271 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_UNCONFIGURE, &data);
274 printf ("LNET ready to unload\n");
279 fprintf(stderr, "LNET busy\n");
281 fprintf(stderr, "LNET unconfigure error %d: %s\n",
282 errno, strerror(errno));
286 if (!strcmp(argv[1], "configure") ||
287 !strcmp(argv[1], "up")) {
288 LIBCFS_IOC_INIT(data);
289 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_CONFIGURE, &data);
292 printf ("LNET configured\n");
296 fprintf(stderr, "LNET configure error %d: %s\n",
297 errno, strerror(errno));
301 net = libcfs_str2net(argv[1]);
302 if (net == LNET_NIDNET(LNET_NID_ANY)) {
303 fprintf(stderr, "Can't parse net %s\n", argv[1]);
307 if (LNET_NETTYP(net) == CIBLND ||
308 LNET_NETTYP(net) == OPENIBLND ||
309 LNET_NETTYP(net) == IIBLND ||
310 LNET_NETTYP(net) == VIBLND) {
311 fprintf(stderr, "Net %s obsoleted\n", libcfs_lnd2str(net));
321 jt_ptl_list_nids(int argc, char **argv)
323 struct libcfs_ioctl_data data;
324 int all = 0, return_nid = 0;
328 all = (argc == 2) && (strcmp(argv[1], "all") == 0);
329 /* Hack to pass back value */
330 return_nid = (argc == 2) && (argv[1][0] == 1);
332 if ((argc > 2) && !(all || return_nid)) {
333 fprintf(stderr, "usage: %s [all]\n", argv[0]);
337 for (count = 0;; count++) {
338 LIBCFS_IOC_INIT (data);
339 data.ioc_count = count;
340 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_NI, &data);
343 if ((count > 0) && (errno == ENOENT))
344 /* We found them all */
346 fprintf(stderr,"IOC_LIBCFS_GET_NI error %d: %s\n",
347 errno, strerror(errno));
351 if (all || (LNET_NETTYP(LNET_NIDNET(data.ioc_nid)) != LOLND)) {
352 printf("%s\n", libcfs_nid2str(data.ioc_nid));
354 *(__u64 *)(argv[1]) = data.ioc_nid;
364 jt_ptl_which_nid (int argc, char **argv)
366 struct libcfs_ioctl_data data;
369 lnet_nid_t best_nid = LNET_NID_ANY;
378 fprintf(stderr, "usage: %s NID [NID...]\n", argv[0]);
382 for (i = 1; i < argc; i++) {
384 nid = libcfs_str2nid(nidstr);
385 if (nid == LNET_NID_ANY) {
386 fprintf(stderr, "Can't parse NID %s\n", nidstr);
390 LIBCFS_IOC_INIT(data);
393 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LNET_DIST, &data);
395 fprintf(stderr, "Can't get distance to %s: %s\n",
396 nidstr, strerror(errno));
400 dist = data.ioc_u32[0];
401 order = data.ioc_u32[1];
404 if (dist == -EHOSTUNREACH)
407 fprintf(stderr, "Unexpected distance to %s: %d\n",
412 if (best_nid == LNET_NID_ANY ||
414 (dist == best_dist && order < best_order)) {
421 if (best_nid == LNET_NID_ANY) {
422 fprintf(stderr, "No reachable NID\n");
426 printf("%s\n", libcfs_nid2str(best_nid));
431 jt_ptl_print_interfaces (int argc, char **argv)
433 struct libcfs_ioctl_data data;
438 if (!g_net_is_compatible (argv[0], SOCKLND, 0))
441 for (index = 0;;index++) {
442 LIBCFS_IOC_INIT(data);
443 data.ioc_net = g_net;
444 data.ioc_count = index;
446 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_INTERFACE, &data);
450 printf ("%s: (%s/%s) npeer %d nroute %d\n",
451 ptl_ipaddr_2_str(data.ioc_u32[0], buffer[2], 1),
452 ptl_ipaddr_2_str(data.ioc_u32[0], buffer[0], 0),
453 ptl_ipaddr_2_str(data.ioc_u32[1], buffer[1], 0),
454 data.ioc_u32[2], data.ioc_u32[3]);
458 if (errno == ENOENT) {
459 printf ("<no interfaces>\n");
461 fprintf(stderr, "Error getting interfaces: %s: "
471 jt_ptl_add_interface (int argc, char **argv)
473 struct libcfs_ioctl_data data;
476 __u32 netmask = 0xffffff00;
481 if (argc < 2 || argc > 3) {
482 fprintf (stderr, "usage: %s ipaddr [netmask]\n", argv[0]);
486 if (!g_net_is_compatible(argv[0], SOCKLND, 0))
489 if (lnet_parse_ipaddr(&ipaddr, argv[1]) != 0) {
490 fprintf (stderr, "Can't parse ip: %s\n", argv[1]);
495 count = strtol(argv[2], &end, 0);
496 if (count > 0 && count < 32 && *end == 0) {
498 for (i = count; i > 0; i--)
499 netmask = netmask|(1<<(32-i));
500 } else if (lnet_parse_ipquad(&netmask, argv[2]) != 0) {
501 fprintf (stderr, "Can't parse netmask: %s\n", argv[2]);
506 LIBCFS_IOC_INIT(data);
507 data.ioc_net = g_net;
508 data.ioc_u32[0] = ipaddr;
509 data.ioc_u32[1] = netmask;
511 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_INTERFACE, &data);
513 fprintf (stderr, "failed to add interface: %s\n",
522 jt_ptl_del_interface (int argc, char **argv)
524 struct libcfs_ioctl_data data;
529 fprintf (stderr, "usage: %s [ipaddr]\n", argv[0]);
533 if (!g_net_is_compatible(argv[0], SOCKLND, 0))
537 lnet_parse_ipaddr(&ipaddr, argv[1]) != 0) {
538 fprintf (stderr, "Can't parse ip: %s\n", argv[1]);
542 LIBCFS_IOC_INIT(data);
543 data.ioc_net = g_net;
544 data.ioc_u32[0] = ipaddr;
546 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_INTERFACE, &data);
548 fprintf (stderr, "failed to delete interface: %s\n",
557 jt_ptl_print_peers (int argc, char **argv)
559 struct libcfs_ioctl_data data;
560 lnet_process_id_t id;
565 if (!g_net_is_compatible (argv[0], SOCKLND, RALND, PTLLND, MXLND,
569 for (index = 0;;index++) {
570 LIBCFS_IOC_INIT(data);
571 data.ioc_net = g_net;
572 data.ioc_count = index;
574 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_PEER, &data);
578 if (g_net_is_compatible(NULL, SOCKLND, 0)) {
579 id.nid = data.ioc_nid;
580 id.pid = data.ioc_u32[4];
581 printf ("%-20s [%d]%s->%s:%d #%d\n",
583 data.ioc_count, /* persistence */
584 ptl_ipaddr_2_str (data.ioc_u32[2], buffer[0], 1), /* my ip */
585 ptl_ipaddr_2_str (data.ioc_u32[0], buffer[1], 1), /* peer ip */
586 data.ioc_u32[1], /* peer port */
587 data.ioc_u32[3]); /* conn_count */
588 } else if (g_net_is_compatible(NULL, PTLLND, 0)) {
589 id.nid = data.ioc_nid;
590 id.pid = data.ioc_u32[4];
591 printf ("%-20s s %d%s [%d] "LPD64".%06d"
592 " m "LPD64"/"LPD64" q %d/%d c %d/%d\n",
594 data.ioc_net, /* state */
595 data.ioc_flags ? "" : " ~!h", /* sent_hello */
596 data.ioc_count, /* refcount */
597 data.ioc_u64[0]/1000000, /* incarnation secs */
598 (int)(data.ioc_u64[0]%1000000), /* incarnation usecs */
599 (((__u64)data.ioc_u32[1])<<32) |
600 ((__u64)data.ioc_u32[0]), /* next_matchbits */
601 (((__u64)data.ioc_u32[3])<<32) |
602 ((__u64)data.ioc_u32[2]), /* last_matchbits_seen */
603 data.ioc_u32[5] >> 16, /* nsendq */
604 data.ioc_u32[5] & 0xffff, /* nactiveq */
605 data.ioc_u32[6] >> 16, /* credits */
606 data.ioc_u32[6] & 0xffff); /* outstanding_credits */
607 } else if (g_net_is_compatible(NULL, RALND, 0)) {
608 printf ("%-20s [%d]@%s:%d\n",
609 libcfs_nid2str(data.ioc_nid), /* peer nid */
610 data.ioc_count, /* peer persistence */
611 ptl_ipaddr_2_str (data.ioc_u32[0], buffer[1], 1), /* peer ip */
612 data.ioc_u32[1]); /* peer port */
614 printf ("%-20s [%d]\n",
615 libcfs_nid2str(data.ioc_nid), data.ioc_count);
620 if (errno == ENOENT) {
621 printf ("<no peers>\n");
623 fprintf(stderr, "Error getting peer list: %s: "
632 jt_ptl_add_peer (int argc, char **argv)
634 struct libcfs_ioctl_data data;
640 if (!g_net_is_compatible (argv[0], SOCKLND, RALND, 0))
644 fprintf (stderr, "usage(tcp,ra): %s nid ipaddr port\n",
649 nid = libcfs_str2nid(argv[1]);
650 if (nid == LNET_NID_ANY) {
651 fprintf (stderr, "Can't parse NID: %s\n", argv[1]);
655 if (lnet_parse_ipaddr (&ip, argv[2]) != 0) {
656 fprintf (stderr, "Can't parse ip addr: %s\n", argv[2]);
660 if (lnet_parse_port (&port, argv[3]) != 0) {
661 fprintf (stderr, "Can't parse port: %s\n", argv[3]);
665 LIBCFS_IOC_INIT(data);
666 data.ioc_net = g_net;
668 data.ioc_u32[0] = ip;
669 data.ioc_u32[1] = port;
671 rc = l_ioctl (LNET_DEV_ID, IOC_LIBCFS_ADD_PEER, &data);
673 fprintf (stderr, "failed to add peer: %s\n",
682 jt_ptl_del_peer (int argc, char **argv)
684 struct libcfs_ioctl_data data;
685 lnet_nid_t nid = LNET_NID_ANY;
686 lnet_pid_t pid = LNET_PID_ANY;
691 if (!g_net_is_compatible (argv[0], SOCKLND, RALND, MXLND, PTLLND,
695 if (g_net_is_compatible(NULL, SOCKLND, 0)) {
697 fprintf (stderr, "usage: %s [nid] [ipaddr]\n",
701 } else if (g_net_is_compatible(NULL, PTLLND, 0)) {
703 fprintf (stderr, "usage: %s [nid] [pid]\n",
707 } else if (argc > 2) {
708 fprintf (stderr, "usage: %s [nid]\n", argv[0]);
713 !libcfs_str2anynid(&nid, argv[1])) {
714 fprintf (stderr, "Can't parse nid: %s\n", argv[1]);
718 if (g_net_is_compatible(NULL, SOCKLND, 0)) {
720 lnet_parse_ipaddr (&ip, argv[2]) != 0) {
721 fprintf (stderr, "Can't parse ip addr: %s\n",
725 } else if (g_net_is_compatible(NULL, PTLLND, 0)) {
727 pid = strtol(argv[2], &end, 0);
728 if (end == argv[2] || *end == 0) {
729 fprintf(stderr, "Can't parse pid %s\n",
736 LIBCFS_IOC_INIT(data);
737 data.ioc_net = g_net;
739 data.ioc_u32[0] = ip;
740 data.ioc_u32[1] = pid;
742 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_PEER, &data);
744 fprintf (stderr, "failed to remove peer: %s\n",
753 jt_ptl_print_connections (int argc, char **argv)
755 struct libcfs_ioctl_data data;
756 lnet_process_id_t id;
761 if (!g_net_is_compatible (argv[0], SOCKLND, RALND, MXLND, O2IBLND, 0))
764 for (index = 0; ; index++) {
765 LIBCFS_IOC_INIT(data);
766 data.ioc_net = g_net;
767 data.ioc_count = index;
769 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_CONN, &data);
773 if (g_net_is_compatible (NULL, SOCKLND, 0)) {
774 id.nid = data.ioc_nid;
775 id.pid = data.ioc_u32[6];
776 printf ("%-20s %s[%d]%s->%s:%d %d/%d %s\n",
778 (data.ioc_u32[3] == SOCKLND_CONN_ANY) ? "A" :
779 (data.ioc_u32[3] == SOCKLND_CONN_CONTROL) ? "C" :
780 (data.ioc_u32[3] == SOCKLND_CONN_BULK_IN) ? "I" :
781 (data.ioc_u32[3] == SOCKLND_CONN_BULK_OUT) ? "O" : "?",
782 data.ioc_u32[4], /* scheduler */
783 ptl_ipaddr_2_str (data.ioc_u32[2], buffer[0], 1), /* local IP addr */
784 ptl_ipaddr_2_str (data.ioc_u32[0], buffer[1], 1), /* remote IP addr */
785 data.ioc_u32[1], /* remote port */
786 data.ioc_count, /* tx buffer size */
787 data.ioc_u32[5], /* rx buffer size */
788 data.ioc_flags ? "nagle" : "nonagle");
789 } else if (g_net_is_compatible (NULL, RALND, 0)) {
790 printf ("%-20s [%d]\n",
791 libcfs_nid2str(data.ioc_nid),
792 data.ioc_u32[0] /* device id */);
793 } else if (g_net_is_compatible (NULL, O2IBLND, 0)) {
794 printf ("%s mtu %d\n",
795 libcfs_nid2str(data.ioc_nid),
796 data.ioc_u32[0]); /* path MTU */
798 printf ("%s\n", libcfs_nid2str(data.ioc_nid));
803 if (errno == ENOENT) {
804 printf ("<no connections>\n");
806 fprintf(stderr, "Error getting connection list: %s: "
814 int jt_ptl_disconnect(int argc, char **argv)
816 struct libcfs_ioctl_data data;
817 lnet_nid_t nid = LNET_NID_ANY;
822 fprintf(stderr, "usage: %s [nid] [ipaddr]\n", argv[0]);
826 if (!g_net_is_compatible (NULL, SOCKLND, RALND, MXLND, O2IBLND, 0))
830 !libcfs_str2anynid(&nid, argv[1])) {
831 fprintf (stderr, "Can't parse nid %s\n", argv[1]);
835 if (g_net_is_compatible (NULL, SOCKLND, 0) &&
837 lnet_parse_ipaddr (&ipaddr, argv[2]) != 0) {
838 fprintf (stderr, "Can't parse ip addr %s\n", argv[2]);
842 LIBCFS_IOC_INIT(data);
843 data.ioc_net = g_net;
845 data.ioc_u32[0] = ipaddr;
847 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_CLOSE_CONNECTION, &data);
849 fprintf(stderr, "failed to remove connection: %s\n",
857 int jt_ptl_push_connection (int argc, char **argv)
859 struct libcfs_ioctl_data data;
861 lnet_nid_t nid = LNET_NID_ANY;
864 fprintf(stderr, "usage: %s [nid]\n", argv[0]);
868 if (!g_net_is_compatible (argv[0], SOCKLND, 0))
872 !libcfs_str2anynid(&nid, argv[1])) {
873 fprintf(stderr, "Can't parse nid: %s\n", argv[1]);
877 LIBCFS_IOC_INIT(data);
878 data.ioc_net = g_net;
881 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_PUSH_CONNECTION, &data);
883 fprintf(stderr, "failed to push connection: %s\n",
892 jt_ptl_print_active_txs (int argc, char **argv)
894 struct libcfs_ioctl_data data;
898 if (!g_net_is_compatible (argv[0], QSWLND, 0))
901 for (index = 0;;index++) {
902 LIBCFS_IOC_INIT(data);
903 data.ioc_net = g_net;
904 data.ioc_count = index;
906 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_TXDESC, &data);
910 printf ("type %u payload %6d to %s via %s by pid %6d: "
911 "%s, %s, state %d\n",
914 libcfs_nid2str(data.ioc_nid),
915 libcfs_nid2str(data.ioc_u64[0]),
917 (data.ioc_flags & 1) ? "delayed" : "immediate",
918 (data.ioc_flags & 2) ? "nblk" : "normal",
919 data.ioc_flags >> 2);
923 if (errno == ENOENT) {
924 printf ("<no active descs>\n");
926 fprintf(stderr, "Error getting active transmits list: "
927 "%s: check dmesg.\n",
934 int jt_ptl_ping(int argc, char **argv)
938 lnet_process_id_t id;
939 lnet_process_id_t ids[16];
940 int maxids = sizeof(ids)/sizeof(ids[0]);
941 struct libcfs_ioctl_data data;
946 fprintf(stderr, "usage: %s id [timeout (secs)]\n", argv[0]);
950 sep = strchr(argv[1], '-');
952 rc = lnet_parse_nid(argv[1], &id);
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 if (end != sep) { /* assuming '-' is part of hostname */
965 rc = lnet_parse_nid(argv[1], &id);
969 id.nid = libcfs_str2nid(sep + 1);
971 if (id.nid == LNET_NID_ANY) {
973 "Can't parse process id \"%s\"\n",
981 timeout = 1000 * atol(argv[2]);
983 timeout = 1000; /* default 1 second timeout */
985 LIBCFS_IOC_INIT (data);
986 data.ioc_nid = id.nid;
987 data.ioc_u32[0] = id.pid;
988 data.ioc_u32[1] = timeout;
989 data.ioc_plen1 = sizeof(ids);
990 data.ioc_pbuf1 = (char *)ids;
992 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_PING, &data);
994 fprintf(stderr, "failed to ping %s: %s\n",
995 id.pid == LNET_PID_ANY ?
996 libcfs_nid2str(id.nid) : libcfs_id2str(id),
1001 for (i = 0; i < data.ioc_count && i < maxids; i++)
1002 printf("%s\n", libcfs_id2str(ids[i]));
1004 if (data.ioc_count > maxids)
1005 printf("%d out of %d ids listed\n", maxids, data.ioc_count);
1010 int jt_ptl_mynid(int argc, char **argv)
1012 struct libcfs_ioctl_data data;
1017 fprintf(stderr, "usage: %s NID\n", argv[0]);
1021 nid = libcfs_str2nid(argv[1]);
1022 if (nid == LNET_NID_ANY) {
1023 fprintf(stderr, "Can't parse NID '%s'\n", argv[1]);
1027 LIBCFS_IOC_INIT(data);
1028 data.ioc_net = LNET_NIDNET(nid);
1031 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_REGISTER_MYNID, &data);
1033 fprintf(stderr, "setting my NID failed: %s\n",
1036 printf("registered my nid %s\n", libcfs_nid2str(nid));
1042 jt_ptl_fail_nid (int argc, char **argv)
1046 unsigned int threshold;
1047 struct libcfs_ioctl_data data;
1049 if (argc < 2 || argc > 3)
1051 fprintf (stderr, "usage: %s nid|\"*\" [count (0 == mend)]\n", argv[0]);
1055 if (!libcfs_str2anynid(&nid, argv[1]))
1057 fprintf (stderr, "Can't parse nid \"%s\"\n", argv[1]);
1062 threshold = LNET_MD_THRESH_INF;
1063 } else if (sscanf (argv[2], "%i", &threshold) != 1) {
1064 fprintf (stderr, "Can't parse count \"%s\"\n", argv[2]);
1068 LIBCFS_IOC_INIT (data);
1070 data.ioc_count = threshold;
1072 rc = l_ioctl (LNET_DEV_ID, IOC_LIBCFS_FAIL_NID, &data);
1074 fprintf (stderr, "IOC_LIBCFS_FAIL_NID failed: %s\n",
1077 printf ("%s %s\n", threshold == 0 ? "Unfailing" : "Failing", argv[1]);
1083 jt_ptl_add_route (int argc, char **argv)
1085 struct libcfs_ioctl_data data;
1086 lnet_nid_t gateway_nid;
1087 unsigned int hops = 1;
1091 if (argc < 2 || argc > 3)
1093 fprintf (stderr, "usage: %s gateway [hopcount]\n", argv[0]);
1097 if (!g_net_is_set(argv[0]))
1100 gateway_nid = libcfs_str2nid(argv[1]);
1101 if (gateway_nid == LNET_NID_ANY) {
1102 fprintf (stderr, "Can't parse gateway NID \"%s\"\n", argv[1]);
1107 hops = strtoul(argv[2], &end, 0);
1108 if (hops >= 256 || *end != 0) {
1109 fprintf (stderr, "Can't parse hopcount \"%s\"\n", argv[2]);
1114 LIBCFS_IOC_INIT(data);
1115 data.ioc_net = g_net;
1116 data.ioc_count = hops;
1117 data.ioc_nid = gateway_nid;
1119 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_ROUTE, &data);
1121 fprintf (stderr, "IOC_LIBCFS_ADD_ROUTE failed: %s\n", strerror (errno));
1129 jt_ptl_del_route (int argc, char **argv)
1131 struct libcfs_ioctl_data data;
1136 fprintf (stderr, "usage: %s gatewayNID\n", argv[0]);
1140 if (!libcfs_str2anynid(&nid, argv[1])) {
1141 fprintf (stderr, "Can't parse gateway NID "
1142 "\"%s\"\n", argv[1]);
1146 LIBCFS_IOC_INIT(data);
1147 data.ioc_net = g_net_set ? g_net : LNET_NIDNET(LNET_NID_ANY);
1150 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_ROUTE, &data);
1152 fprintf (stderr, "IOC_LIBCFS_DEL_ROUTE (%s) failed: %s\n",
1153 libcfs_nid2str(nid), strerror (errno));
1161 jt_ptl_notify_router (int argc, char **argv)
1163 struct libcfs_ioctl_data data;
1172 fprintf (stderr, "usage: %s targetNID <up/down> [<time>]\n",
1177 nid = libcfs_str2nid(argv[1]);
1178 if (nid == LNET_NID_ANY) {
1179 fprintf (stderr, "Can't parse target NID \"%s\"\n", argv[1]);
1183 if (lnet_parse_bool (&enable, argv[2]) != 0) {
1184 fprintf (stderr, "Can't parse boolean %s\n", argv[2]);
1188 gettimeofday(&now, NULL);
1192 } else if (lnet_parse_time (&when, argv[3]) != 0) {
1193 fprintf(stderr, "Can't parse time %s\n"
1194 "Please specify either 'YYYY-MM-DD-HH:MM:SS'\n"
1195 "or an absolute unix time in seconds\n", argv[3]);
1197 } else if (when > now.tv_sec) {
1198 fprintf (stderr, "%s specifies a time in the future\n",
1203 LIBCFS_IOC_INIT(data);
1205 data.ioc_flags = enable;
1206 /* Yeuch; 'cept I need a __u64 on 64 bit machines... */
1207 data.ioc_u64[0] = (__u64)when;
1209 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_NOTIFY_ROUTER, &data);
1211 fprintf (stderr, "IOC_LIBCFS_NOTIFY_ROUTER (%s) failed: %s\n",
1212 libcfs_nid2str(nid), strerror (errno));
1220 jt_ptl_print_routes (int argc, char **argv)
1222 struct libcfs_ioctl_data data;
1230 for (index = 0;;index++)
1232 LIBCFS_IOC_INIT(data);
1233 data.ioc_count = index;
1235 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_ROUTE, &data);
1240 hops = data.ioc_count;
1242 alive = data.ioc_flags;
1244 printf ("net %18s hops %u gw %32s %s\n",
1245 libcfs_net2str(net), hops,
1246 libcfs_nid2str(nid), alive ? "up" : "down");
1249 if (errno != ENOENT)
1250 fprintf(stderr, "Error getting routes: %s: check dmesg.\n",
1257 lwt_control(int enable, int clear)
1259 struct libcfs_ioctl_data data;
1262 LIBCFS_IOC_INIT(data);
1263 data.ioc_flags = (enable ? 1 : 0) | (clear ? 2 : 0);
1265 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_CONTROL, &data);
1269 fprintf(stderr, "IOC_LIBCFS_LWT_CONTROL failed: %s\n",
1275 lwt_snapshot(cfs_cycles_t *now, int *ncpu, int *totalsize,
1276 lwt_event_t *events, int size)
1278 struct libcfs_ioctl_data data;
1281 LIBCFS_IOC_INIT(data);
1282 data.ioc_pbuf1 = (char *)events;
1283 data.ioc_plen1 = size;
1285 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_SNAPSHOT, &data);
1287 fprintf(stderr, "IOC_LIBCFS_LWT_SNAPSHOT failed: %s\n",
1292 /* crappy overloads */
1293 if (data.ioc_u32[2] != sizeof(lwt_event_t) ||
1294 data.ioc_u32[3] != offsetof(lwt_event_t, lwte_where)) {
1295 fprintf(stderr,"kernel/user LWT event mismatch %d(%d),%d(%d)\n",
1296 (int)data.ioc_u32[2], (int)sizeof(lwt_event_t),
1297 (int)data.ioc_u32[3],
1298 (int)offsetof(lwt_event_t, lwte_where));
1303 *now = data.ioc_u64[0];
1305 LASSERT (data.ioc_u32[0] != 0);
1307 *ncpu = data.ioc_u32[0];
1309 LASSERT (data.ioc_u32[1] != 0);
1310 if (totalsize != NULL)
1311 *totalsize = data.ioc_u32[1];
1317 lwt_get_string(char *kstr)
1320 struct libcfs_ioctl_data data;
1324 /* FIXME: this could maintain a symbol table since we expect to be
1325 * looking up the same strings all the time... */
1327 LIBCFS_IOC_INIT(data);
1328 data.ioc_pbuf1 = kstr;
1329 data.ioc_plen1 = 1; /* non-zero just to fool portal_ioctl_is_invalid() */
1330 data.ioc_pbuf2 = NULL;
1333 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_LOOKUP_STRING, &data);
1335 fprintf(stderr, "IOC_LIBCFS_LWT_LOOKUP_STRING failed: %s\n",
1340 size = data.ioc_count;
1341 ustr = (char *)malloc(size);
1343 fprintf(stderr, "Can't allocate string storage of size %d\n",
1348 LIBCFS_IOC_INIT(data);
1349 data.ioc_pbuf1 = kstr;
1350 data.ioc_plen1 = 1; /* non-zero just to fool portal_ioctl_is_invalid() */
1351 data.ioc_pbuf2 = ustr;
1352 data.ioc_plen2 = size;
1354 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_LOOKUP_STRING, &data);
1356 fprintf(stderr, "IOC_LIBCFS_LWT_LOOKUP_STRING failed: %s\n",
1361 LASSERT(strlen(ustr) == size - 1);
1366 lwt_put_string(char *ustr)
1372 lwt_print(FILE *f, cfs_cycles_t t0, cfs_cycles_t tlast, double mhz, int cpu,
1376 # error "__WORDSIZE not defined"
1377 #elif __WORDSIZE == 32
1378 # define XFMT "%#010lx"
1379 #elif __WORDSIZE== 64
1380 # define XFMT "%#018lx"
1382 # error "Unexpected __WORDSIZE"
1384 char *where = lwt_get_string(e->lwte_where);
1389 fprintf(f, XFMT" "XFMT" "XFMT" "XFMT": "XFMT" %2d %10.6f %10.2f %s\n",
1390 e->lwte_p1, e->lwte_p2, e->lwte_p3, e->lwte_p4,
1391 (long)e->lwte_task, cpu, (e->lwte_when - t0) / (mhz * 1000000.0),
1392 (t0 == e->lwte_when) ? 0.0 : (e->lwte_when - tlast) / mhz,
1395 lwt_put_string(where);
1402 get_cycles_per_usec ()
1404 FILE *f = fopen ("/proc/cpuinfo", "r");
1409 while (fgets (line, sizeof (line), f) != NULL)
1410 if (sscanf (line, "cpu MHz : %lf", &mhz) == 1) {
1417 fprintf (stderr, "Can't read/parse /proc/cpuinfo\n");
1421 #define LWT_MAX_CPUS (32)
1424 jt_ptl_lwt(int argc, char **argv)
1428 int nevents_per_cpu;
1429 lwt_event_t *events;
1430 lwt_event_t *cpu_event[LWT_MAX_CPUS + 1];
1431 lwt_event_t *next_event[LWT_MAX_CPUS];
1432 lwt_event_t *first_event[LWT_MAX_CPUS];
1441 struct timeval tvnow;
1442 int printed_date = 0;
1447 (strcmp(argv[1], "start") &&
1448 strcmp(argv[1], "stop"))) {
1451 " %s stop [fname]\n", argv[0], argv[0]);
1455 if (!strcmp(argv[1], "start")) {
1457 if (lwt_control(0, 0) != 0)
1461 if (lwt_control(0, 1) != 0)
1465 if (lwt_control(1, 0) != 0)
1471 if (lwt_snapshot(NULL, &ncpus, &totalspace, NULL, 0) != 0)
1474 if (ncpus > LWT_MAX_CPUS) {
1475 fprintf(stderr, "Too many cpus: %d (%d)\n",
1476 ncpus, LWT_MAX_CPUS);
1480 events = (lwt_event_t *)malloc(totalspace);
1481 if (events == NULL) {
1482 fprintf(stderr, "Can't allocate %d\n", totalspace);
1486 if (lwt_control(0, 0) != 0) { /* disable */
1491 if (lwt_snapshot(&tnow, NULL, NULL, events, totalspace)) {
1496 /* we want this time to be sampled at snapshot time */
1497 gettimeofday(&tvnow, NULL);
1500 f = fopen (argv[2], "w");
1502 fprintf(stderr, "Can't open %s for writing: %s\n", argv[2], strerror (errno));
1508 mhz = get_cycles_per_usec();
1510 /* carve events into per-cpu slices */
1511 nevents_per_cpu = totalspace / (ncpus * sizeof(lwt_event_t));
1512 for (cpu = 0; cpu <= ncpus; cpu++)
1513 cpu_event[cpu] = &events[cpu * nevents_per_cpu];
1515 /* find the earliest event on each cpu */
1516 for (cpu = 0; cpu < ncpus; cpu++) {
1517 first_event[cpu] = NULL;
1519 for (e = cpu_event[cpu]; e < cpu_event[cpu + 1]; e++) {
1521 if (e->lwte_where == NULL) /* not an event */
1524 if (first_event[cpu] == NULL ||
1525 first_event[cpu]->lwte_when > e->lwte_when)
1526 first_event[cpu] = e;
1529 next_event[cpu] = first_event[cpu];
1533 for (cpu = 0; cpu < ncpus; cpu++) {
1534 e = first_event[cpu];
1535 if (e == NULL) /* no events this cpu */
1538 if (e == cpu_event[cpu])
1539 e = cpu_event[cpu + 1] - 1;
1543 /* If there's an event immediately before the first one, this
1544 * cpu wrapped its event buffer */
1545 if (e->lwte_where == NULL)
1548 /* We should only start outputting events from the most recent
1549 * first event in any wrapped cpu. Events before this time on
1550 * other cpus won't have any events from this CPU to interleave
1552 if (t0 < first_event[cpu]->lwte_when)
1553 t0 = first_event[cpu]->lwte_when;
1557 /* find which cpu has the next event */
1559 for (i = 0; i < ncpus; i++) {
1561 if (next_event[i] == NULL) /* this cpu exhausted */
1565 next_event[i]->lwte_when < next_event[cpu]->lwte_when)
1569 if (cpu < 0) /* all cpus exhausted */
1573 /* no wrapped cpus and this is he first ever event */
1574 t0 = next_event[cpu]->lwte_when;
1577 if (t0 <= next_event[cpu]->lwte_when) {
1578 /* on or after the first event */
1579 if (!printed_date) {
1580 cfs_cycles_t du = (tnow - t0) / mhz;
1581 time_t then = tvnow.tv_sec - du/1000000;
1583 if (du % 1000000 > tvnow.tv_usec)
1586 fprintf(f, "%s", ctime(&then));
1590 rc = lwt_print(f, t0, tlast, mhz, cpu, next_event[cpu]);
1594 if (++nlines % 10000 == 0 && f != stdout) {
1595 /* show some activity... */
1601 tlast = next_event[cpu]->lwte_when;
1604 if (next_event[cpu] == cpu_event[cpu + 1])
1605 next_event[cpu] = cpu_event[cpu];
1607 if (next_event[cpu]->lwte_where == NULL ||
1608 next_event[cpu] == first_event[cpu])
1609 next_event[cpu] = NULL;
1621 int jt_ptl_memhog(int argc, char **argv)
1623 static int gfp = 0; /* sticky! */
1625 struct libcfs_ioctl_data data;
1631 fprintf(stderr, "usage: %s <npages> [<GFP flags>]\n", argv[0]);
1635 count = strtol(argv[1], &end, 0);
1636 if (count < 0 || *end != 0) {
1637 fprintf(stderr, "Can't parse page count '%s'\n", argv[1]);
1642 rc = strtol(argv[2], &end, 0);
1644 fprintf(stderr, "Can't parse gfp flags '%s'\n", argv[2]);
1650 LIBCFS_IOC_INIT(data);
1651 data.ioc_count = count;
1652 data.ioc_flags = gfp;
1653 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_MEMHOG, &data);
1656 fprintf(stderr, "memhog %d failed: %s\n", count, strerror(errno));
1660 printf("memhog %d OK\n", count);
1664 int jt_ptl_testprotocompat(int argc, char **argv)
1666 struct libcfs_ioctl_data data;
1672 fprintf(stderr, "usage: %s <number>\n", argv[0]);
1676 flags = strtol(argv[1], &end, 0);
1677 if (flags < 0 || *end != 0) {
1678 fprintf(stderr, "Can't parse flags '%s'\n", argv[1]);
1682 LIBCFS_IOC_INIT(data);
1683 data.ioc_flags = flags;
1684 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_TESTPROTOCOMPAT, &data);
1687 fprintf(stderr, "test proto compat %x failed: %s\n",
1688 flags, strerror(errno));
1692 printf("test proto compat %x OK\n", flags);