1 /*
2  * Copyright (c) 2004-2008 Voltaire Inc.  All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  *
32  */
33 
34 #define _GNU_SOURCE
35 
36 #if HAVE_CONFIG_H
37 #  include <config.h>
38 #endif /* HAVE_CONFIG_H */
39 
40 #include <inttypes.h>
41 #include <string.h>
42 #include <errno.h>
43 #include <stdio.h>
44 #include <stdlib.h>
45 #include <unistd.h>
46 #include <stdarg.h>
47 #include <sys/types.h>
48 #include <sys/stat.h>
49 #include <fcntl.h>
50 #include <sys/ioctl.h>
51 #include <unistd.h>
52 #include <string.h>
53 #include <getopt.h>
54 #include <endian.h>
55 #include <byteswap.h>
56 #include <sys/poll.h>
57 #include <syslog.h>
58 #include <netinet/in.h>
59 
60 #include <infiniband/common.h>
61 #include <infiniband/umad.h>
62 #include <infiniband/mad.h>
63 
64 #include <ibdiag_common.h>
65 
66 static int debug;
67 
68 char *argv0 = "ibstat";
69 
70 static char *node_type_str[] = {
71 	"???",
72 	"CA",
73 	"Switch",
74 	"Router",
75 	"iWARP RNIC"
76 };
77 
78 static void
ca_dump(umad_ca_t * ca)79 ca_dump(umad_ca_t *ca)
80 {
81 	if (!ca->node_type)
82 		return;
83 	printf("%s '%s'\n", ((uint)ca->node_type <= IB_NODE_MAX ? node_type_str[ca->node_type] : "???"), ca->ca_name);
84 	printf("\t%s type: %s\n", ((uint)ca->node_type <= IB_NODE_MAX ? node_type_str[ca->node_type] : "???"),ca->ca_type);
85 	printf("\tNumber of ports: %d\n", ca->numports);
86 	printf("\tFirmware version: %s\n", ca->fw_ver);
87 	printf("\tHardware version: %s\n", ca->hw_ver);
88 	printf("\tNode GUID: 0x%016llx\n", (long long unsigned)ntohll(ca->node_guid));
89 	printf("\tSystem image GUID: 0x%016llx\n", (long long unsigned)ntohll(ca->system_guid));
90 }
91 
92 static char *port_state_str[] = {
93 	"???",
94 	"Down",
95 	"Initializing",
96 	"Armed",
97 	"Active"
98 };
99 
100 static char *port_phy_state_str[] = {
101 	"No state change",
102 	"Sleep",
103 	"Polling",
104 	"Disabled",
105 	"PortConfigurationTraining",
106 	"LinkUp",
107 	"LinkErrorRecovery",
108 	"PhyTest"
109 };
110 
111 static int
port_dump(umad_port_t * port,int alone)112 port_dump(umad_port_t *port, int alone)
113 {
114 	char *pre = "";
115 	char *hdrpre = "";
116 
117 	if (!port)
118 		return -1;
119 
120 	if (!alone) {
121 		pre = "		";
122 		hdrpre = "	";
123 	}
124 
125 	printf("%sPort %d:\n", hdrpre, port->portnum);
126 	printf("%sState: %s\n", pre, (uint)port->state <= 4 ? port_state_str[port->state] : "???");
127 	printf("%sPhysical state: %s\n", pre, (uint)port->state <= 7 ? port_phy_state_str[port->phys_state] : "???");
128 	printf("%sRate: %d\n", pre, port->rate);
129 	printf("%sBase lid: %d\n", pre, port->base_lid);
130 	printf("%sLMC: %d\n", pre, port->lmc);
131 	printf("%sSM lid: %d\n", pre, port->sm_lid);
132 	printf("%sCapability mask: 0x%08x\n", pre, (unsigned)ntohl(port->capmask));
133 	printf("%sPort GUID: 0x%016llx\n", pre, (long long unsigned)ntohll(port->port_guid));
134 	return 0;
135 }
136 
137 static int
ca_stat(char * ca_name,int portnum,int no_ports)138 ca_stat(char *ca_name, int portnum, int no_ports)
139 {
140 	umad_ca_t ca;
141 	int r;
142 
143 	if ((r = umad_get_ca(ca_name, &ca)) < 0)
144 		return r;
145 
146 	if (!ca.node_type)
147 		return 0;
148 
149 	if (!no_ports && portnum >= 0) {
150 		if (portnum > ca.numports || !ca.ports[portnum]) {
151 			IBWARN("%s: '%s' has no port number %d - max (%d)",
152 				((uint)ca.node_type <= IB_NODE_MAX ? node_type_str[ca.node_type] : "???"),
153 				ca_name, portnum, ca.numports);
154 			return -1;
155 		}
156 		printf("%s: '%s'\n", ((uint)ca.node_type <= IB_NODE_MAX ? node_type_str[ca.node_type] : "???"), ca.ca_name);
157 		port_dump(ca.ports[portnum], 1);
158 		return 0;
159 	}
160 
161 	/* print ca header */
162 	ca_dump(&ca);
163 
164 	if (no_ports)
165 		return 0;
166 
167 	for (portnum = 0; portnum <= ca.numports; portnum++)
168 		port_dump(ca.ports[portnum], 0);
169 
170 	return 0;
171 }
172 
173 static int
ports_list(char names[][UMAD_CA_NAME_LEN],int n)174 ports_list(char names[][UMAD_CA_NAME_LEN], int n)
175 {
176 	uint64_t guids[64];
177 	int found, ports, i;
178 
179 	for (i = 0, found = 0; i < n && found < 64; i++) {
180 		if ((ports = umad_get_ca_portguids(names[i], guids + found, 64 - found)) < 0)
181 			return -1;
182 		found += ports;
183 	}
184 
185 	for (i = 0; i < found; i++)
186 		if (guids[i])
187 			printf("0x%016llx\n", (long long unsigned)ntohll(guids[i]));
188 	return found;
189 }
190 
191 void
usage(void)192 usage(void)
193 {
194 	fprintf(stderr, "Usage: %s [-d(ebug) -l(ist_of_cas) -s(hort) -p(ort_list) -V(ersion)] <ca_name> [portnum]\n", argv0);
195 	fprintf(stderr, "\tExamples:\n");
196 	fprintf(stderr, "\t\t%s -l	  # list all IB devices\n", argv0);
197 	fprintf(stderr, "\t\t%s mthca0 2 # stat port 2 of 'mthca0'\n", argv0);
198 	exit(-1);
199 }
200 
201 int
main(int argc,char * argv[])202 main(int argc, char *argv[])
203 {
204 	char names[UMAD_MAX_DEVICES][UMAD_CA_NAME_LEN];
205 	int dev_port = -1;
206 	int list_only = 0, short_format = 0, list_ports = 0;
207 	int n, i;
208 
209 	static char const str_opts[] = "dlspVhu";
210 	static const struct option long_opts[] = {
211 		{ "debug", 0, 0, 'd'},
212 		{ "list_of_cas", 0, 0, 'l'},
213 		{ "short", 0, 0, 's'},
214 		{ "port_list", 0, 0, 'p'},
215 		{ "Version", 0, 0, 'V'},
216 		{ "help", 0, 0, 'h'},
217 		{ "usage", 0, 0, 'u'},
218 		{ }
219 	};
220 
221 	argv0 = argv[0];
222 
223 	while (1) {
224 		int ch = getopt_long(argc, argv, str_opts, long_opts, NULL);
225 		if ( ch == -1 )
226 			break;
227 		switch(ch) {
228 		case 'd':
229 			debug++;
230 			break;
231 		case 'l':
232 			list_only++;
233 			break;
234 		case 's':
235 			short_format++;
236 			break;
237 		case 'p':
238 			list_ports++;
239 			break;
240 		case 'V':
241 			fprintf(stderr, "%s %s\n", argv0, get_build_version() );
242 			exit(-1);
243 		default:
244 			usage();
245 			break;
246 		}
247 	}
248 	argc -= optind;
249 	argv += optind;
250 
251 	if (argc > 1)
252 		dev_port = strtol(argv[1], 0, 0);
253 
254 	if (umad_init() < 0)
255 		IBPANIC("can't init UMAD library");
256 
257 	if ((n = umad_get_cas_names(names, UMAD_MAX_DEVICES)) < 0)
258 		IBPANIC("can't list IB device names");
259 
260 	if (argc) {
261 		for (i = 0; i < n; i++)
262 			if (!strncmp(names[i], argv[0], sizeof names[i]))
263 				break;
264 		if (i >= n)
265 			IBPANIC("'%s' IB device can't be found", argv[0]);
266 
267 		strncpy(names[i], argv[0], sizeof names[i]);
268 		n = 1;
269 	}
270 
271 	if (list_ports) {
272 		if (ports_list(names, n) < 0)
273 			IBPANIC("can't list ports");
274 		return 0;
275 	}
276 
277 	if (!list_only && argc) {
278 		if (ca_stat(argv[0], dev_port, short_format) < 0)
279 			IBPANIC("stat of IB device '%s' failed", argv[0]);
280 		return 0;
281 	}
282 
283 	for (i = 0; i < n; i++) {
284 		if (list_only)
285 			printf("%s\n", names[i]);
286 		else
287 			if (ca_stat(names[i], -1, short_format) < 0)
288 				IBPANIC("stat of IB device '%s' failed", names[i]);
289 	}
290 
291 	return 0;
292 }
293