xref: /freebsd/contrib/ofed/libibverbs/examples/devinfo.c (revision 6829dae12bb055451fa467da4589c43bd03b1e64)
1 /*
2  * Copyright (c) 2005 Cisco Systems.  All rights reserved.
3  * Copyright (c) 2005 Mellanox Technologies Ltd.  All rights reserved.
4  *
5  * This software is available to you under a choice of one of two
6  * licenses.  You may choose to be licensed under the terms of the GNU
7  * General Public License (GPL) Version 2, available from the file
8  * COPYING in the main directory of this source tree, or the
9  * OpenIB.org BSD license below:
10  *
11  *     Redistribution and use in source and binary forms, with or
12  *     without modification, are permitted provided that the following
13  *     conditions are met:
14  *
15  *      - Redistributions of source code must retain the above
16  *        copyright notice, this list of conditions and the following
17  *        disclaimer.
18  *
19  *      - Redistributions in binary form must reproduce the above
20  *        copyright notice, this list of conditions and the following
21  *        disclaimer in the documentation and/or other materials
22  *        provided with the distribution.
23  *
24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31  * SOFTWARE.
32  */
33 
34 #include <config.h>
35 
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <unistd.h>
39 #include <string.h>
40 #include <getopt.h>
41 #include <infiniband/endian.h>
42 #include <inttypes.h>
43 
44 #include <infiniband/verbs.h>
45 #include <infiniband/driver.h>
46 
47 static int verbose;
48 
49 static int null_gid(union ibv_gid *gid)
50 {
51 	return !(gid->raw[8] | gid->raw[9] | gid->raw[10] | gid->raw[11] |
52 		 gid->raw[12] | gid->raw[13] | gid->raw[14] | gid->raw[15]);
53 }
54 
55 static const char *guid_str(__be64 _node_guid, char *str)
56 {
57 	uint64_t node_guid = be64toh(_node_guid);
58 	sprintf(str, "%04x:%04x:%04x:%04x",
59 		(unsigned) (node_guid >> 48) & 0xffff,
60 		(unsigned) (node_guid >> 32) & 0xffff,
61 		(unsigned) (node_guid >> 16) & 0xffff,
62 		(unsigned) (node_guid >>  0) & 0xffff);
63 	return str;
64 }
65 
66 static const char *transport_str(enum ibv_transport_type transport)
67 {
68 	switch (transport) {
69 	case IBV_TRANSPORT_IB:		return "InfiniBand";
70 	case IBV_TRANSPORT_IWARP:	return "iWARP";
71 	case IBV_TRANSPORT_USNIC:	return "usNIC";
72 	case IBV_TRANSPORT_USNIC_UDP:	return "usNIC UDP";
73 	default:			return "invalid transport";
74 	}
75 }
76 
77 static const char *port_state_str(enum ibv_port_state pstate)
78 {
79 	switch (pstate) {
80 	case IBV_PORT_DOWN:   return "PORT_DOWN";
81 	case IBV_PORT_INIT:   return "PORT_INIT";
82 	case IBV_PORT_ARMED:  return "PORT_ARMED";
83 	case IBV_PORT_ACTIVE: return "PORT_ACTIVE";
84 	default:              return "invalid state";
85 	}
86 }
87 
88 static const char *port_phy_state_str(uint8_t phys_state)
89 {
90 	switch (phys_state) {
91 	case 1:  return "SLEEP";
92 	case 2:  return "POLLING";
93 	case 3:  return "DISABLED";
94 	case 4:  return "PORT_CONFIGURATION TRAINNING";
95 	case 5:  return "LINK_UP";
96 	case 6:  return "LINK_ERROR_RECOVERY";
97 	case 7:  return "PHY TEST";
98 	default: return "invalid physical state";
99 	}
100 }
101 
102 static const char *atomic_cap_str(enum ibv_atomic_cap atom_cap)
103 {
104 	switch (atom_cap) {
105 	case IBV_ATOMIC_NONE: return "ATOMIC_NONE";
106 	case IBV_ATOMIC_HCA:  return "ATOMIC_HCA";
107 	case IBV_ATOMIC_GLOB: return "ATOMIC_GLOB";
108 	default:              return "invalid atomic capability";
109 	}
110 }
111 
112 static const char *mtu_str(enum ibv_mtu max_mtu)
113 {
114 	switch (max_mtu) {
115 	case IBV_MTU_256:  return "256";
116 	case IBV_MTU_512:  return "512";
117 	case IBV_MTU_1024: return "1024";
118 	case IBV_MTU_2048: return "2048";
119 	case IBV_MTU_4096: return "4096";
120 	default:           return "invalid MTU";
121 	}
122 }
123 
124 static const char *width_str(uint8_t width)
125 {
126 	switch (width) {
127 	case 1:  return "1";
128 	case 2:  return "4";
129 	case 4:  return "8";
130 	case 8:  return "12";
131 	default: return "invalid width";
132 	}
133 }
134 
135 static const char *speed_str(uint8_t speed)
136 {
137 	switch (speed) {
138 	case 1:  return "2.5 Gbps";
139 	case 2:  return "5.0 Gbps";
140 
141 	case 4:  /* fall through */
142 	case 8:  return "10.0 Gbps";
143 
144 	case 16: return "14.0 Gbps";
145 	case 32: return "25.0 Gbps";
146 	default: return "invalid speed";
147 	}
148 }
149 
150 static const char *vl_str(uint8_t vl_num)
151 {
152 	switch (vl_num) {
153 	case 1:  return "1";
154 	case 2:  return "2";
155 	case 3:  return "4";
156 	case 4:  return "8";
157 	case 5:  return "15";
158 	default: return "invalid value";
159 	}
160 }
161 
162 static int print_all_port_gids(struct ibv_context *ctx, uint8_t port_num, int tbl_len)
163 {
164 	union ibv_gid gid;
165 	int rc = 0;
166 	int i;
167 
168 	for (i = 0; i < tbl_len; i++) {
169 		rc = ibv_query_gid(ctx, port_num, i, &gid);
170 		if (rc) {
171 			fprintf(stderr, "Failed to query gid to port %d, index %d\n",
172 			       port_num, i);
173 			return rc;
174 		}
175 		if (!null_gid(&gid))
176 			printf("\t\t\tGID[%3d]:\t\t%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x\n",
177 			       i,
178 			       gid.raw[ 0], gid.raw[ 1],
179 			       gid.raw[ 2], gid.raw[ 3],
180 			       gid.raw[ 4], gid.raw[ 5],
181 			       gid.raw[ 6], gid.raw[ 7],
182 			       gid.raw[ 8], gid.raw[ 9],
183 			       gid.raw[10], gid.raw[11],
184 			       gid.raw[12], gid.raw[13],
185 			       gid.raw[14], gid.raw[15]);
186 	}
187 	return rc;
188 }
189 
190 static const char *link_layer_str(uint8_t link_layer)
191 {
192 	switch (link_layer) {
193 	case IBV_LINK_LAYER_UNSPECIFIED:
194 	case IBV_LINK_LAYER_INFINIBAND:
195 		return "InfiniBand";
196 	case IBV_LINK_LAYER_ETHERNET:
197 		return "Ethernet";
198 	default:
199 		return "Unknown";
200 	}
201 }
202 
203 static void print_device_cap_flags(uint32_t dev_cap_flags)
204 {
205 	uint32_t unknown_flags = ~(IBV_DEVICE_RESIZE_MAX_WR |
206 				   IBV_DEVICE_BAD_PKEY_CNTR |
207 				   IBV_DEVICE_BAD_QKEY_CNTR |
208 				   IBV_DEVICE_RAW_MULTI |
209 				   IBV_DEVICE_AUTO_PATH_MIG |
210 				   IBV_DEVICE_CHANGE_PHY_PORT |
211 				   IBV_DEVICE_UD_AV_PORT_ENFORCE |
212 				   IBV_DEVICE_CURR_QP_STATE_MOD |
213 				   IBV_DEVICE_SHUTDOWN_PORT |
214 				   IBV_DEVICE_INIT_TYPE |
215 				   IBV_DEVICE_PORT_ACTIVE_EVENT |
216 				   IBV_DEVICE_SYS_IMAGE_GUID |
217 				   IBV_DEVICE_RC_RNR_NAK_GEN |
218 				   IBV_DEVICE_SRQ_RESIZE |
219 				   IBV_DEVICE_N_NOTIFY_CQ |
220 				   IBV_DEVICE_MEM_WINDOW |
221 				   IBV_DEVICE_UD_IP_CSUM |
222 				   IBV_DEVICE_XRC |
223 				   IBV_DEVICE_MEM_MGT_EXTENSIONS |
224 				   IBV_DEVICE_MEM_WINDOW_TYPE_2A |
225 				   IBV_DEVICE_MEM_WINDOW_TYPE_2B |
226 				   IBV_DEVICE_RC_IP_CSUM |
227 				   IBV_DEVICE_RAW_IP_CSUM |
228 				   IBV_DEVICE_MANAGED_FLOW_STEERING);
229 
230 	if (dev_cap_flags & IBV_DEVICE_RESIZE_MAX_WR)
231 		printf("\t\t\t\t\tRESIZE_MAX_WR\n");
232 	if (dev_cap_flags & IBV_DEVICE_BAD_PKEY_CNTR)
233 		printf("\t\t\t\t\tBAD_PKEY_CNTR\n");
234 	if (dev_cap_flags & IBV_DEVICE_BAD_QKEY_CNTR)
235 		printf("\t\t\t\t\tBAD_QKEY_CNTR\n");
236 	if (dev_cap_flags & IBV_DEVICE_RAW_MULTI)
237 		printf("\t\t\t\t\tRAW_MULTI\n");
238 	if (dev_cap_flags & IBV_DEVICE_AUTO_PATH_MIG)
239 		printf("\t\t\t\t\tAUTO_PATH_MIG\n");
240 	if (dev_cap_flags & IBV_DEVICE_CHANGE_PHY_PORT)
241 		printf("\t\t\t\t\tCHANGE_PHY_PORT\n");
242 	if (dev_cap_flags & IBV_DEVICE_UD_AV_PORT_ENFORCE)
243 		printf("\t\t\t\t\tUD_AV_PORT_ENFORCE\n");
244 	if (dev_cap_flags & IBV_DEVICE_CURR_QP_STATE_MOD)
245 		printf("\t\t\t\t\tCURR_QP_STATE_MOD\n");
246 	if (dev_cap_flags & IBV_DEVICE_SHUTDOWN_PORT)
247 		printf("\t\t\t\t\tSHUTDOWN_PORT\n");
248 	if (dev_cap_flags & IBV_DEVICE_INIT_TYPE)
249 		printf("\t\t\t\t\tINIT_TYPE\n");
250 	if (dev_cap_flags & IBV_DEVICE_PORT_ACTIVE_EVENT)
251 		printf("\t\t\t\t\tPORT_ACTIVE_EVENT\n");
252 	if (dev_cap_flags & IBV_DEVICE_SYS_IMAGE_GUID)
253 		printf("\t\t\t\t\tSYS_IMAGE_GUID\n");
254 	if (dev_cap_flags & IBV_DEVICE_RC_RNR_NAK_GEN)
255 		printf("\t\t\t\t\tRC_RNR_NAK_GEN\n");
256 	if (dev_cap_flags & IBV_DEVICE_SRQ_RESIZE)
257 		printf("\t\t\t\t\tSRQ_RESIZE\n");
258 	if (dev_cap_flags & IBV_DEVICE_N_NOTIFY_CQ)
259 		printf("\t\t\t\t\tN_NOTIFY_CQ\n");
260 	if (dev_cap_flags & IBV_DEVICE_MEM_WINDOW)
261 		printf("\t\t\t\t\tMEM_WINDOW\n");
262 	if (dev_cap_flags & IBV_DEVICE_UD_IP_CSUM)
263 		printf("\t\t\t\t\tUD_IP_CSUM\n");
264 	if (dev_cap_flags & IBV_DEVICE_XRC)
265 		printf("\t\t\t\t\tXRC\n");
266 	if (dev_cap_flags & IBV_DEVICE_MEM_MGT_EXTENSIONS)
267 		printf("\t\t\t\t\tMEM_MGT_EXTENSIONS\n");
268 	if (dev_cap_flags & IBV_DEVICE_MEM_WINDOW_TYPE_2A)
269 		printf("\t\t\t\t\tMEM_WINDOW_TYPE_2A\n");
270 	if (dev_cap_flags & IBV_DEVICE_MEM_WINDOW_TYPE_2B)
271 		printf("\t\t\t\t\tMEM_WINDOW_TYPE_2B\n");
272 	if (dev_cap_flags & IBV_DEVICE_RC_IP_CSUM)
273 		printf("\t\t\t\t\tRC_IP_CSUM\n");
274 	if (dev_cap_flags & IBV_DEVICE_RAW_IP_CSUM)
275 		printf("\t\t\t\t\tRAW_IP_CSUM\n");
276 	if (dev_cap_flags & IBV_DEVICE_MANAGED_FLOW_STEERING)
277 		printf("\t\t\t\t\tMANAGED_FLOW_STEERING\n");
278 	if (dev_cap_flags & unknown_flags)
279 		printf("\t\t\t\t\tUnknown flags: 0x%" PRIX32 "\n",
280 		       dev_cap_flags & unknown_flags);
281 }
282 
283 static void print_odp_trans_caps(uint32_t trans)
284 {
285 	uint32_t unknown_transport_caps = ~(IBV_ODP_SUPPORT_SEND |
286 					    IBV_ODP_SUPPORT_RECV |
287 					    IBV_ODP_SUPPORT_WRITE |
288 					    IBV_ODP_SUPPORT_READ |
289 					    IBV_ODP_SUPPORT_ATOMIC);
290 
291 	if (!trans) {
292 		printf("\t\t\t\t\tNO SUPPORT\n");
293 	} else {
294 		if (trans & IBV_ODP_SUPPORT_SEND)
295 			printf("\t\t\t\t\tSUPPORT_SEND\n");
296 		if (trans & IBV_ODP_SUPPORT_RECV)
297 			printf("\t\t\t\t\tSUPPORT_RECV\n");
298 		if (trans & IBV_ODP_SUPPORT_WRITE)
299 			printf("\t\t\t\t\tSUPPORT_WRITE\n");
300 		if (trans & IBV_ODP_SUPPORT_READ)
301 			printf("\t\t\t\t\tSUPPORT_READ\n");
302 		if (trans & IBV_ODP_SUPPORT_ATOMIC)
303 			printf("\t\t\t\t\tSUPPORT_ATOMIC\n");
304 		if (trans & unknown_transport_caps)
305 			printf("\t\t\t\t\tUnknown flags: 0x%" PRIX32 "\n",
306 			       trans & unknown_transport_caps);
307 	}
308 }
309 
310 static void print_odp_caps(const struct ibv_odp_caps *caps)
311 {
312 	uint64_t unknown_general_caps = ~(IBV_ODP_SUPPORT);
313 
314 	/* general odp caps */
315 	printf("\tgeneral_odp_caps:\n");
316 	if (caps->general_caps & IBV_ODP_SUPPORT)
317 		printf("\t\t\t\t\tODP_SUPPORT\n");
318 	if (caps->general_caps & unknown_general_caps)
319 		printf("\t\t\t\t\tUnknown flags: 0x%" PRIX64 "\n",
320 		       caps->general_caps & unknown_general_caps);
321 
322 	/* RC transport */
323 	printf("\trc_odp_caps:\n");
324 	print_odp_trans_caps(caps->per_transport_caps.rc_odp_caps);
325 	printf("\tuc_odp_caps:\n");
326 	print_odp_trans_caps(caps->per_transport_caps.uc_odp_caps);
327 	printf("\tud_odp_caps:\n");
328 	print_odp_trans_caps(caps->per_transport_caps.ud_odp_caps);
329 }
330 
331 static void print_device_cap_flags_ex(uint64_t device_cap_flags_ex)
332 {
333 	uint64_t ex_flags = device_cap_flags_ex & 0xffffffff00000000ULL;
334 	uint64_t unknown_flags = ~(IBV_DEVICE_RAW_SCATTER_FCS);
335 
336 	if (ex_flags & IBV_DEVICE_RAW_SCATTER_FCS)
337 		printf("\t\t\t\t\tRAW_SCATTER_FCS\n");
338 	if (ex_flags & unknown_flags)
339 		printf("\t\t\t\t\tUnknown flags: 0x%" PRIX64 "\n",
340 		       ex_flags & unknown_flags);
341 }
342 
343 static void print_tso_caps(const struct ibv_tso_caps *caps)
344 {
345 	uint32_t unknown_general_caps = ~(1 << IBV_QPT_RAW_PACKET |
346 					  1 << IBV_QPT_UD);
347 	printf("\ttso_caps:\n");
348 	printf("\tmax_tso:\t\t\t%d\n", caps->max_tso);
349 
350 	if (caps->max_tso) {
351 		printf("\tsupported_qp:\n");
352 		if (ibv_is_qpt_supported(caps->supported_qpts, IBV_QPT_RAW_PACKET))
353 			printf("\t\t\t\t\tSUPPORT_RAW_PACKET\n");
354 		if (ibv_is_qpt_supported(caps->supported_qpts, IBV_QPT_UD))
355 			printf("\t\t\t\t\tSUPPORT_UD\n");
356 		if (caps->supported_qpts & unknown_general_caps)
357 			printf("\t\t\t\t\tUnknown flags: 0x%" PRIX32 "\n",
358 			       caps->supported_qpts & unknown_general_caps);
359 	}
360 }
361 
362 static void print_rss_caps(const struct ibv_rss_caps *caps)
363 {
364 	uint32_t unknown_general_caps = ~(1 << IBV_QPT_RAW_PACKET |
365 					  1 << IBV_QPT_UD);
366 	printf("\trss_caps:\n");
367 	printf("\t\tmax_rwq_indirection_tables:\t\t\t%u\n", caps->max_rwq_indirection_tables);
368 	printf("\t\tmax_rwq_indirection_table_size:\t\t\t%u\n", caps->max_rwq_indirection_table_size);
369 	printf("\t\trx_hash_function:\t\t\t\t0x%x\n", caps->rx_hash_function);
370 	printf("\t\trx_hash_fields_mask:\t\t\t\t0x%" PRIX64 "\n", caps->rx_hash_fields_mask);
371 
372 	if (caps->supported_qpts) {
373 		printf("\t\tsupported_qp:\n");
374 		if (ibv_is_qpt_supported(caps->supported_qpts, IBV_QPT_RAW_PACKET))
375 			printf("\t\t\t\t\tSUPPORT_RAW_PACKET\n");
376 		if (ibv_is_qpt_supported(caps->supported_qpts, IBV_QPT_UD))
377 			printf("\t\t\t\t\tSUPPORT_UD\n");
378 		if (caps->supported_qpts & unknown_general_caps)
379 			printf("\t\t\t\t\tUnknown flags: 0x%" PRIX32 "\n",
380 			       caps->supported_qpts & unknown_general_caps);
381 	}
382 }
383 
384 static void print_packet_pacing_caps(const struct ibv_packet_pacing_caps *caps)
385 {
386 	uint32_t unknown_general_caps = ~(1 << IBV_QPT_RAW_PACKET |
387 					  1 << IBV_QPT_UD);
388 	printf("\tpacket_pacing_caps:\n");
389 	printf("\t\tqp_rate_limit_min:\t%ukbps\n", caps->qp_rate_limit_min);
390 	printf("\t\tqp_rate_limit_max:\t%ukbps\n", caps->qp_rate_limit_max);
391 
392 	if (caps->qp_rate_limit_max) {
393 		printf("\t\tsupported_qp:\n");
394 		if (ibv_is_qpt_supported(caps->supported_qpts, IBV_QPT_RAW_PACKET))
395 			printf("\t\t\t\t\tSUPPORT_RAW_PACKET\n");
396 		if (ibv_is_qpt_supported(caps->supported_qpts, IBV_QPT_UD))
397 			printf("\t\t\t\t\tSUPPORT_UD\n");
398 		if (caps->supported_qpts & unknown_general_caps)
399 			printf("\t\t\t\t\tUnknown flags: 0x%" PRIX32 "\n",
400 			       caps->supported_qpts & unknown_general_caps);
401 	}
402 }
403 
404 static void print_raw_packet_caps(uint32_t raw_packet_caps)
405 {
406 	printf("\traw packet caps:\n");
407 	if (raw_packet_caps & IBV_RAW_PACKET_CAP_CVLAN_STRIPPING)
408 		printf("\t\t\t\t\tC-VLAN stripping offload\n");
409 	if (raw_packet_caps & IBV_RAW_PACKET_CAP_SCATTER_FCS)
410 		printf("\t\t\t\t\tScatter FCS offload\n");
411 	if (raw_packet_caps & IBV_RAW_PACKET_CAP_IP_CSUM)
412 		printf("\t\t\t\t\tIP csum offload\n");
413 }
414 
415 static int print_hca_cap(struct ibv_device *ib_dev, uint8_t ib_port)
416 {
417 	struct ibv_context *ctx;
418 	struct ibv_device_attr_ex device_attr;
419 	struct ibv_port_attr port_attr;
420 	int rc = 0;
421 	uint8_t port;
422 	char buf[256];
423 
424 	ctx = ibv_open_device(ib_dev);
425 	if (!ctx) {
426 		fprintf(stderr, "Failed to open device\n");
427 		rc = 1;
428 		goto cleanup;
429 	}
430 	if (ibv_query_device_ex(ctx, NULL, &device_attr)) {
431 		fprintf(stderr, "Failed to query device props\n");
432 		rc = 2;
433 		goto cleanup;
434 	}
435 	if (ib_port && ib_port > device_attr.orig_attr.phys_port_cnt) {
436 		fprintf(stderr, "Invalid port requested for device\n");
437 		/* rc = 3 is taken by failure to clean up */
438 		rc = 4;
439 		goto cleanup;
440 	}
441 
442 	printf("hca_id:\t%s\n", ibv_get_device_name(ib_dev));
443 	printf("\ttransport:\t\t\t%s (%d)\n",
444 	       transport_str(ib_dev->transport_type), ib_dev->transport_type);
445 	if (strlen(device_attr.orig_attr.fw_ver))
446 		printf("\tfw_ver:\t\t\t\t%s\n", device_attr.orig_attr.fw_ver);
447 	printf("\tnode_guid:\t\t\t%s\n", guid_str(device_attr.orig_attr.node_guid, buf));
448 	printf("\tsys_image_guid:\t\t\t%s\n", guid_str(device_attr.orig_attr.sys_image_guid, buf));
449 	printf("\tvendor_id:\t\t\t0x%04x\n", device_attr.orig_attr.vendor_id);
450 	printf("\tvendor_part_id:\t\t\t%d\n", device_attr.orig_attr.vendor_part_id);
451 	printf("\thw_ver:\t\t\t\t0x%X\n", device_attr.orig_attr.hw_ver);
452 
453 	if (ibv_read_sysfs_file(ib_dev->ibdev_path, "board_id", buf, sizeof buf) > 0)
454 		printf("\tboard_id:\t\t\t%s\n", buf);
455 
456 	printf("\tphys_port_cnt:\t\t\t%d\n", device_attr.orig_attr.phys_port_cnt);
457 
458 	if (verbose) {
459 		printf("\tmax_mr_size:\t\t\t0x%llx\n",
460 		       (unsigned long long) device_attr.orig_attr.max_mr_size);
461 		printf("\tpage_size_cap:\t\t\t0x%llx\n",
462 		       (unsigned long long) device_attr.orig_attr.page_size_cap);
463 		printf("\tmax_qp:\t\t\t\t%d\n", device_attr.orig_attr.max_qp);
464 		printf("\tmax_qp_wr:\t\t\t%d\n", device_attr.orig_attr.max_qp_wr);
465 		printf("\tdevice_cap_flags:\t\t0x%08x\n", device_attr.orig_attr.device_cap_flags);
466 		print_device_cap_flags(device_attr.orig_attr.device_cap_flags);
467 		printf("\tmax_sge:\t\t\t%d\n", device_attr.orig_attr.max_sge);
468 		printf("\tmax_sge_rd:\t\t\t%d\n", device_attr.orig_attr.max_sge_rd);
469 		printf("\tmax_cq:\t\t\t\t%d\n", device_attr.orig_attr.max_cq);
470 		printf("\tmax_cqe:\t\t\t%d\n", device_attr.orig_attr.max_cqe);
471 		printf("\tmax_mr:\t\t\t\t%d\n", device_attr.orig_attr.max_mr);
472 		printf("\tmax_pd:\t\t\t\t%d\n", device_attr.orig_attr.max_pd);
473 		printf("\tmax_qp_rd_atom:\t\t\t%d\n", device_attr.orig_attr.max_qp_rd_atom);
474 		printf("\tmax_ee_rd_atom:\t\t\t%d\n", device_attr.orig_attr.max_ee_rd_atom);
475 		printf("\tmax_res_rd_atom:\t\t%d\n", device_attr.orig_attr.max_res_rd_atom);
476 		printf("\tmax_qp_init_rd_atom:\t\t%d\n", device_attr.orig_attr.max_qp_init_rd_atom);
477 		printf("\tmax_ee_init_rd_atom:\t\t%d\n", device_attr.orig_attr.max_ee_init_rd_atom);
478 		printf("\tatomic_cap:\t\t\t%s (%d)\n",
479 		       atomic_cap_str(device_attr.orig_attr.atomic_cap), device_attr.orig_attr.atomic_cap);
480 		printf("\tmax_ee:\t\t\t\t%d\n", device_attr.orig_attr.max_ee);
481 		printf("\tmax_rdd:\t\t\t%d\n", device_attr.orig_attr.max_rdd);
482 		printf("\tmax_mw:\t\t\t\t%d\n", device_attr.orig_attr.max_mw);
483 		printf("\tmax_raw_ipv6_qp:\t\t%d\n", device_attr.orig_attr.max_raw_ipv6_qp);
484 		printf("\tmax_raw_ethy_qp:\t\t%d\n", device_attr.orig_attr.max_raw_ethy_qp);
485 		printf("\tmax_mcast_grp:\t\t\t%d\n", device_attr.orig_attr.max_mcast_grp);
486 		printf("\tmax_mcast_qp_attach:\t\t%d\n", device_attr.orig_attr.max_mcast_qp_attach);
487 		printf("\tmax_total_mcast_qp_attach:\t%d\n",
488 		       device_attr.orig_attr.max_total_mcast_qp_attach);
489 		printf("\tmax_ah:\t\t\t\t%d\n", device_attr.orig_attr.max_ah);
490 		printf("\tmax_fmr:\t\t\t%d\n", device_attr.orig_attr.max_fmr);
491 		if (device_attr.orig_attr.max_fmr)
492 			printf("\tmax_map_per_fmr:\t\t%d\n", device_attr.orig_attr.max_map_per_fmr);
493 		printf("\tmax_srq:\t\t\t%d\n", device_attr.orig_attr.max_srq);
494 		if (device_attr.orig_attr.max_srq) {
495 			printf("\tmax_srq_wr:\t\t\t%d\n", device_attr.orig_attr.max_srq_wr);
496 			printf("\tmax_srq_sge:\t\t\t%d\n", device_attr.orig_attr.max_srq_sge);
497 		}
498 		printf("\tmax_pkeys:\t\t\t%d\n", device_attr.orig_attr.max_pkeys);
499 		printf("\tlocal_ca_ack_delay:\t\t%d\n", device_attr.orig_attr.local_ca_ack_delay);
500 
501 		print_odp_caps(&device_attr.odp_caps);
502 		if (device_attr.completion_timestamp_mask)
503 			printf("\tcompletion timestamp_mask:\t\t\t0x%016" PRIx64 "\n",
504 			       device_attr.completion_timestamp_mask);
505 		else
506 			printf("\tcompletion_timestamp_mask not supported\n");
507 
508 		if (device_attr.hca_core_clock)
509 			printf("\thca_core_clock:\t\t\t%" PRIu64 "kHZ\n", device_attr.hca_core_clock);
510 		else
511 			printf("\tcore clock not supported\n");
512 
513 		if (device_attr.raw_packet_caps)
514 			print_raw_packet_caps(device_attr.raw_packet_caps);
515 
516 		printf("\tdevice_cap_flags_ex:\t\t0x%" PRIX64 "\n", device_attr.device_cap_flags_ex);
517 		print_device_cap_flags_ex(device_attr.device_cap_flags_ex);
518 		print_tso_caps(&device_attr.tso_caps);
519 		print_rss_caps(&device_attr.rss_caps);
520 		printf("\tmax_wq_type_rq:\t\t\t%u\n", device_attr.max_wq_type_rq);
521 		print_packet_pacing_caps(&device_attr.packet_pacing_caps);
522 	}
523 
524 	for (port = 1; port <= device_attr.orig_attr.phys_port_cnt; ++port) {
525 		/* if in the command line the user didn't ask for info about this port */
526 		if ((ib_port) && (port != ib_port))
527 			continue;
528 
529 		rc = ibv_query_port(ctx, port, &port_attr);
530 		if (rc) {
531 			fprintf(stderr, "Failed to query port %u props\n", port);
532 			goto cleanup;
533 		}
534 		printf("\t\tport:\t%d\n", port);
535 		printf("\t\t\tstate:\t\t\t%s (%d)\n",
536 		       port_state_str(port_attr.state), port_attr.state);
537 		printf("\t\t\tmax_mtu:\t\t%s (%d)\n",
538 		       mtu_str(port_attr.max_mtu), port_attr.max_mtu);
539 		printf("\t\t\tactive_mtu:\t\t%s (%d)\n",
540 		       mtu_str(port_attr.active_mtu), port_attr.active_mtu);
541 		printf("\t\t\tsm_lid:\t\t\t%d\n", port_attr.sm_lid);
542 		printf("\t\t\tport_lid:\t\t%d\n", port_attr.lid);
543 		printf("\t\t\tport_lmc:\t\t0x%02x\n", port_attr.lmc);
544 		printf("\t\t\tlink_layer:\t\t%s\n",
545 					link_layer_str(port_attr.link_layer));
546 
547 		if (verbose) {
548 			printf("\t\t\tmax_msg_sz:\t\t0x%x\n", port_attr.max_msg_sz);
549 			printf("\t\t\tport_cap_flags:\t\t0x%08x\n", port_attr.port_cap_flags);
550 			printf("\t\t\tmax_vl_num:\t\t%s (%d)\n",
551 			       vl_str(port_attr.max_vl_num), port_attr.max_vl_num);
552 			printf("\t\t\tbad_pkey_cntr:\t\t0x%x\n", port_attr.bad_pkey_cntr);
553 			printf("\t\t\tqkey_viol_cntr:\t\t0x%x\n", port_attr.qkey_viol_cntr);
554 			printf("\t\t\tsm_sl:\t\t\t%d\n", port_attr.sm_sl);
555 			printf("\t\t\tpkey_tbl_len:\t\t%d\n", port_attr.pkey_tbl_len);
556 			printf("\t\t\tgid_tbl_len:\t\t%d\n", port_attr.gid_tbl_len);
557 			printf("\t\t\tsubnet_timeout:\t\t%d\n", port_attr.subnet_timeout);
558 			printf("\t\t\tinit_type_reply:\t%d\n", port_attr.init_type_reply);
559 			printf("\t\t\tactive_width:\t\t%sX (%d)\n",
560 			       width_str(port_attr.active_width), port_attr.active_width);
561 			printf("\t\t\tactive_speed:\t\t%s (%d)\n",
562 			       speed_str(port_attr.active_speed), port_attr.active_speed);
563 			if (ib_dev->transport_type == IBV_TRANSPORT_IB)
564 				printf("\t\t\tphys_state:\t\t%s (%d)\n",
565 				       port_phy_state_str(port_attr.phys_state), port_attr.phys_state);
566 
567 			if (print_all_port_gids(ctx, port, port_attr.gid_tbl_len))
568 				goto cleanup;
569 		}
570 		printf("\n");
571 	}
572 cleanup:
573 	if (ctx)
574 		if (ibv_close_device(ctx)) {
575 			fprintf(stderr, "Failed to close device");
576 			rc = 3;
577 		}
578 	return rc;
579 }
580 
581 static void usage(const char *argv0)
582 {
583 	printf("Usage: %s             print the ca attributes\n", argv0);
584 	printf("\n");
585 	printf("Options:\n");
586 	printf("  -d, --ib-dev=<dev>     use IB device <dev> (default first device found)\n");
587 	printf("  -i, --ib-port=<port>   use port <port> of IB device (default all ports)\n");
588 	printf("  -l, --list             print only the IB devices names\n");
589 	printf("  -v, --verbose          print all the attributes of the IB device(s)\n");
590 }
591 
592 int main(int argc, char *argv[])
593 {
594 	char *ib_devname = NULL;
595 	int ret = 0;
596 	struct ibv_device **dev_list, **orig_dev_list;
597 	int num_of_hcas;
598 	int ib_port = 0;
599 
600 	/* parse command line options */
601 	while (1) {
602 		int c;
603 		static struct option long_options[] = {
604 			{ .name = "ib-dev",   .has_arg = 1, .val = 'd' },
605 			{ .name = "ib-port",  .has_arg = 1, .val = 'i' },
606 			{ .name = "list",     .has_arg = 0, .val = 'l' },
607 			{ .name = "verbose",  .has_arg = 0, .val = 'v' },
608 			{ }
609 		};
610 
611 		c = getopt_long(argc, argv, "d:i:lv", long_options, NULL);
612 		if (c == -1)
613 			break;
614 
615 		switch (c) {
616 		case 'd':
617 			ib_devname = strdup(optarg);
618 			break;
619 
620 		case 'i':
621 			ib_port = strtol(optarg, NULL, 0);
622 			if (ib_port <= 0) {
623 				usage(argv[0]);
624 				return 1;
625 			}
626 			break;
627 
628 		case 'v':
629 			verbose = 1;
630 			break;
631 
632 		case 'l':
633 			dev_list = orig_dev_list = ibv_get_device_list(&num_of_hcas);
634 			if (!dev_list) {
635 				perror("Failed to get IB devices list");
636 				return -1;
637 			}
638 
639 			printf("%d HCA%s found:\n", num_of_hcas,
640 			       num_of_hcas != 1 ? "s" : "");
641 
642 			while (*dev_list) {
643 				printf("\t%s\n", ibv_get_device_name(*dev_list));
644 				++dev_list;
645 			}
646 
647 			printf("\n");
648 
649 			ibv_free_device_list(orig_dev_list);
650 
651 			return 0;
652 
653 		default:
654 			usage(argv[0]);
655 			return -1;
656 		}
657 	}
658 
659 	dev_list = orig_dev_list = ibv_get_device_list(NULL);
660 	if (!dev_list) {
661 		perror("Failed to get IB devices list");
662 		return -1;
663 	}
664 
665 	if (ib_devname) {
666 		while (*dev_list) {
667 			if (!strcmp(ibv_get_device_name(*dev_list), ib_devname))
668 				break;
669 			++dev_list;
670 		}
671 
672 		if (!*dev_list) {
673 			fprintf(stderr, "IB device '%s' wasn't found\n", ib_devname);
674 			return -1;
675 		}
676 
677 		ret |= print_hca_cap(*dev_list, ib_port);
678 	} else {
679 		if (!*dev_list) {
680 			fprintf(stderr, "No IB devices found\n");
681 			return -1;
682 		}
683 
684 		while (*dev_list) {
685 			ret |= print_hca_cap(*dev_list, ib_port);
686 			++dev_list;
687 		}
688 	}
689 
690 	if (ib_devname)
691 		free(ib_devname);
692 
693 	ibv_free_device_list(orig_dev_list);
694 
695 	return ret;
696 }
697