xref: /freebsd/sys/ofed/drivers/infiniband/util/madeye.c (revision 1866c98e64d654649d6e134c20e3e6db7823915d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
3  *
4  * Copyright (c) 2004, 2005 Intel Corporation.  All rights reserved.
5  * Copyright (c) 2005, 2006 Voltaire Inc.  All rights reserved.
6  *
7  * This software is available to you under a choice of one of two
8  * licenses.  You may choose to be licensed under the terms of the GNU
9  * General Public License (GPL) Version 2, available from the file
10  * COPYING in the main directorY of this source tree, or the
11  * OpenIB.org BSD license below:
12  *
13  *     Redistribution and use in source and binary forms, with or
14  *     without modification, are permitted provided that the following
15  *     conditions are met:
16  *
17  *      - Redistributions of source code must retain the above
18  *        copyright notice, this list of conditions and the following
19  *        disclaimer.
20  *
21  *      - Redistributions in binary form must reproduce the above
22  *        copyright notice, this list of conditions and the following
23  *        disclaimer in the documentation and/or other materials
24  *        provided with the distribution.
25  *
26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33  * SOFTWARE.
34  *
35  * $Id$
36  */
37 
38 #define	LINUXKPI_PARAM_PREFIX ib_madeye_
39 
40 #include <linux/module.h>
41 #include <linux/device.h>
42 #include <linux/err.h>
43 
44 #include <rdma/ib_mad.h>
45 #include <rdma/ib_smi.h>
46 #include <rdma/ib_sa.h>
47 
48 MODULE_AUTHOR("Sean Hefty");
49 MODULE_DESCRIPTION("InfiniBand MAD viewer");
50 MODULE_LICENSE("Dual BSD/GPL");
51 
52 static void madeye_remove_one(struct ib_device *device);
53 static void madeye_add_one(struct ib_device *device);
54 
55 static struct ib_client madeye_client = {
56 	.name   = "madeye",
57 	.add    = madeye_add_one,
58 	.remove = madeye_remove_one
59 };
60 
61 struct madeye_port {
62 	struct ib_mad_agent *smi_agent;
63 	struct ib_mad_agent *gsi_agent;
64 };
65 
66 static int smp = 1;
67 static int gmp = 1;
68 static int mgmt_class = 0;
69 static int attr_id = 0;
70 static int data = 0;
71 
72 module_param(smp, int, 0444);
73 module_param(gmp, int, 0444);
74 module_param(mgmt_class, int, 0444);
75 module_param(attr_id, int, 0444);
76 module_param(data, int, 0444);
77 
78 MODULE_PARM_DESC(smp, "Display all SMPs (default=1)");
79 MODULE_PARM_DESC(gmp, "Display all GMPs (default=1)");
80 MODULE_PARM_DESC(mgmt_class, "Display all MADs of specified class (default=0)");
81 MODULE_PARM_DESC(attr_id, "Display add MADs of specified attribute ID (default=0)");
82 MODULE_PARM_DESC(data, "Display data area of MADs (default=0)");
83 
get_class_name(u8 mgmt_class)84 static char * get_class_name(u8 mgmt_class)
85 {
86 	switch(mgmt_class) {
87 	case IB_MGMT_CLASS_SUBN_LID_ROUTED:
88 		return "LID routed SMP";
89 	case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE:
90 		return "Directed route SMP";
91 	case IB_MGMT_CLASS_SUBN_ADM:
92 		return "Subnet admin.";
93 	case IB_MGMT_CLASS_PERF_MGMT:
94 		return "Perf. mgmt.";
95 	case IB_MGMT_CLASS_BM:
96 		return "Baseboard mgmt.";
97 	case IB_MGMT_CLASS_DEVICE_MGMT:
98 		return "Device mgmt.";
99 	case IB_MGMT_CLASS_CM:
100 		return "Comm. mgmt.";
101 	case IB_MGMT_CLASS_SNMP:
102 		return "SNMP";
103 	default:
104 		return "Unknown vendor/application";
105 	}
106 }
107 
get_method_name(u8 mgmt_class,u8 method)108 static char * get_method_name(u8 mgmt_class, u8 method)
109 {
110 	switch(method) {
111 	case IB_MGMT_METHOD_GET:
112 		return "Get";
113 	case IB_MGMT_METHOD_SET:
114 		return "Set";
115 	case IB_MGMT_METHOD_GET_RESP:
116 		return "Get response";
117 	case IB_MGMT_METHOD_SEND:
118 		return "Send";
119 	case IB_MGMT_METHOD_SEND | IB_MGMT_METHOD_RESP:
120 		return "Send response";
121 	case IB_MGMT_METHOD_TRAP:
122 		return "Trap";
123 	case IB_MGMT_METHOD_REPORT:
124 		return "Report";
125 	case IB_MGMT_METHOD_REPORT_RESP:
126 		return "Report response";
127 	case IB_MGMT_METHOD_TRAP_REPRESS:
128 		return "Trap repress";
129 	default:
130 		break;
131 	}
132 
133 	switch (mgmt_class) {
134 	case IB_MGMT_CLASS_SUBN_ADM:
135 		switch (method) {
136 		case IB_SA_METHOD_GET_TABLE:
137 			return "Get table";
138 		case IB_SA_METHOD_GET_TABLE_RESP:
139 			return "Get table response";
140 		case IB_SA_METHOD_DELETE:
141 			return "Delete";
142 		case IB_SA_METHOD_DELETE_RESP:
143 			return "Delete response";
144 		case IB_SA_METHOD_GET_MULTI:
145 			return "Get Multi";
146 		case IB_SA_METHOD_GET_MULTI_RESP:
147 			return "Get Multi response";
148 		case IB_SA_METHOD_GET_TRACE_TBL:
149 			return "Get Trace Table response";
150 		default:
151 			break;
152 		}
153 	default:
154 		break;
155 	}
156 
157 	return "Unknown";
158 }
159 
print_status_details(u16 status)160 static void print_status_details(u16 status)
161 {
162 	if (status & 0x0001)
163 		printk("               busy\n");
164 	if (status & 0x0002)
165 		printk("               redirection required\n");
166 	switch((status & 0x001C) >> 2) {
167 	case 1:
168 		printk("               bad version\n");
169 		break;
170 	case 2:
171 		printk("               method not supported\n");
172 		break;
173 	case 3:
174 		printk("               method/attribute combo not supported\n");
175 		break;
176 	case 7:
177 		printk("               invalid attribute/modifier value\n");
178 		break;
179 	}
180 }
181 
get_sa_attr(__be16 attr)182 static char * get_sa_attr(__be16 attr)
183 {
184 	switch(attr) {
185 	case IB_SA_ATTR_CLASS_PORTINFO:
186 		return "Class Port Info";
187 	case IB_SA_ATTR_NOTICE:
188 		return "Notice";
189 	case IB_SA_ATTR_INFORM_INFO:
190 		return "Inform Info";
191 	case IB_SA_ATTR_NODE_REC:
192 		return "Node Record";
193 	case IB_SA_ATTR_PORT_INFO_REC:
194 		return "PortInfo Record";
195 	case IB_SA_ATTR_SL2VL_REC:
196 		return "SL to VL Record";
197 	case IB_SA_ATTR_SWITCH_REC:
198 		return "Switch Record";
199 	case IB_SA_ATTR_LINEAR_FDB_REC:
200 		return "Linear FDB Record";
201 	case IB_SA_ATTR_RANDOM_FDB_REC:
202 		return "Random FDB Record";
203 	case IB_SA_ATTR_MCAST_FDB_REC:
204 		return "Multicast FDB Record";
205 	case IB_SA_ATTR_SM_INFO_REC:
206 		return "SM Info Record";
207 	case IB_SA_ATTR_LINK_REC:
208 		return "Link Record";
209 	case IB_SA_ATTR_GUID_INFO_REC:
210 		return "Guid Info Record";
211 	case IB_SA_ATTR_SERVICE_REC:
212 		return "Service Record";
213 	case IB_SA_ATTR_PARTITION_REC:
214 		return "Partition Record";
215 	case IB_SA_ATTR_PATH_REC:
216 		return "Path Record";
217 	case IB_SA_ATTR_VL_ARB_REC:
218 		return "VL Arb Record";
219 	case IB_SA_ATTR_MC_MEMBER_REC:
220 		return "MC Member Record";
221 	case IB_SA_ATTR_TRACE_REC:
222 		return "Trace Record";
223 	case IB_SA_ATTR_MULTI_PATH_REC:
224 		return "Multi Path Record";
225 	case IB_SA_ATTR_SERVICE_ASSOC_REC:
226 		return "Service Assoc Record";
227 	case IB_SA_ATTR_INFORM_INFO_REC:
228 		return "Inform Info Record";
229 	default:
230 		return "";
231 	}
232 }
233 
print_mad_hdr(struct ib_mad_hdr * mad_hdr)234 static void print_mad_hdr(struct ib_mad_hdr *mad_hdr)
235 {
236 	printk("MAD version....0x%01x\n", mad_hdr->base_version);
237 	printk("Class..........0x%01x (%s)\n", mad_hdr->mgmt_class,
238 	       get_class_name(mad_hdr->mgmt_class));
239 	printk("Class version..0x%01x\n", mad_hdr->class_version);
240 	printk("Method.........0x%01x (%s)\n", mad_hdr->method,
241 	       get_method_name(mad_hdr->mgmt_class, mad_hdr->method));
242 	printk("Status.........0x%02x\n", be16_to_cpu(mad_hdr->status));
243 	if (mad_hdr->status)
244 		print_status_details(be16_to_cpu(mad_hdr->status));
245 	printk("Class specific.0x%02x\n", be16_to_cpu(mad_hdr->class_specific));
246 	printk("Trans ID.......0x%llx\n",
247 		(unsigned long long)be64_to_cpu(mad_hdr->tid));
248 	if (mad_hdr->mgmt_class == IB_MGMT_CLASS_SUBN_ADM)
249 		printk("Attr ID........0x%02x (%s)\n",
250 		       be16_to_cpu(mad_hdr->attr_id),
251 		       get_sa_attr(be16_to_cpu(mad_hdr->attr_id)));
252 	else
253 		printk("Attr ID........0x%02x\n",
254 		       be16_to_cpu(mad_hdr->attr_id));
255 	printk("Attr modifier..0x%04x\n", be32_to_cpu(mad_hdr->attr_mod));
256 }
257 
get_rmpp_type(u8 rmpp_type)258 static char * get_rmpp_type(u8 rmpp_type)
259 {
260 	switch (rmpp_type) {
261 	case IB_MGMT_RMPP_TYPE_DATA:
262 		return "Data";
263 	case IB_MGMT_RMPP_TYPE_ACK:
264 		return "Ack";
265 	case IB_MGMT_RMPP_TYPE_STOP:
266 		return "Stop";
267 	case IB_MGMT_RMPP_TYPE_ABORT:
268 		return "Abort";
269 	default:
270 		return "Unknown";
271 	}
272 }
273 
get_rmpp_flags(u8 rmpp_flags)274 static char * get_rmpp_flags(u8 rmpp_flags)
275 {
276 	if (rmpp_flags & IB_MGMT_RMPP_FLAG_ACTIVE)
277 		if (rmpp_flags & IB_MGMT_RMPP_FLAG_FIRST)
278 			if (rmpp_flags & IB_MGMT_RMPP_FLAG_LAST)
279 				return "Active - First & Last";
280 			else
281 				return "Active - First";
282 		else
283 			if (rmpp_flags & IB_MGMT_RMPP_FLAG_LAST)
284 				return "Active - Last";
285 			else
286 				return "Active";
287 	else
288 		return "Inactive";
289 }
290 
print_rmpp_hdr(struct ib_rmpp_hdr * rmpp_hdr)291 static void print_rmpp_hdr(struct ib_rmpp_hdr *rmpp_hdr)
292 {
293 	printk("RMPP version...0x%01x\n", rmpp_hdr->rmpp_version);
294 	printk("RMPP type......0x%01x (%s)\n", rmpp_hdr->rmpp_type,
295 	       get_rmpp_type(rmpp_hdr->rmpp_type));
296 	printk("RMPP RRespTime.0x%01x\n", ib_get_rmpp_resptime(rmpp_hdr));
297 	printk("RMPP flags.....0x%01x (%s)\n", ib_get_rmpp_flags(rmpp_hdr),
298 	       get_rmpp_flags(ib_get_rmpp_flags(rmpp_hdr)));
299 	printk("RMPP status....0x%01x\n", rmpp_hdr->rmpp_status);
300 	printk("Seg number.....0x%04x\n", be32_to_cpu(rmpp_hdr->seg_num));
301 	switch (rmpp_hdr->rmpp_type) {
302 	case IB_MGMT_RMPP_TYPE_DATA:
303 		printk("Payload len....0x%04x\n",
304 		       be32_to_cpu(rmpp_hdr->paylen_newwin));
305 		break;
306 	case IB_MGMT_RMPP_TYPE_ACK:
307 		printk("New window.....0x%04x\n",
308 		       be32_to_cpu(rmpp_hdr->paylen_newwin));
309 		break;
310 	default:
311 		printk("Data 2.........0x%04x\n",
312 		       be32_to_cpu(rmpp_hdr->paylen_newwin));
313 		break;
314 	}
315 }
316 
get_smp_attr(__be16 attr)317 static char * get_smp_attr(__be16 attr)
318 {
319 	switch (attr) {
320 	case IB_SMP_ATTR_NOTICE:
321 		return "notice";
322 	case IB_SMP_ATTR_NODE_DESC:
323 		return "node description";
324 	case IB_SMP_ATTR_NODE_INFO:
325 		return "node info";
326 	case IB_SMP_ATTR_SWITCH_INFO:
327 		return "switch info";
328 	case IB_SMP_ATTR_GUID_INFO:
329 		return "GUID info";
330 	case IB_SMP_ATTR_PORT_INFO:
331 		return "port info";
332 	case IB_SMP_ATTR_PKEY_TABLE:
333 		return "pkey table";
334 	case IB_SMP_ATTR_SL_TO_VL_TABLE:
335 		return "SL to VL table";
336 	case IB_SMP_ATTR_VL_ARB_TABLE:
337 		return "VL arbitration table";
338 	case IB_SMP_ATTR_LINEAR_FORWARD_TABLE:
339 		return "linear forwarding table";
340 	case IB_SMP_ATTR_RANDOM_FORWARD_TABLE:
341 		return "random forward table";
342 	case IB_SMP_ATTR_MCAST_FORWARD_TABLE:
343 		return "multicast forward table";
344 	case IB_SMP_ATTR_SM_INFO:
345 		return "SM info";
346 	case IB_SMP_ATTR_VENDOR_DIAG:
347 		return "vendor diags";
348 	case IB_SMP_ATTR_LED_INFO:
349 		return "LED info";
350 	default:
351 		return "";
352 	}
353 }
354 
print_smp(struct ib_smp * smp)355 static void print_smp(struct ib_smp *smp)
356 {
357 	int i;
358 
359 	printk("MAD version....0x%01x\n", smp->base_version);
360 	printk("Class..........0x%01x (%s)\n", smp->mgmt_class,
361 	       get_class_name(smp->mgmt_class));
362 	printk("Class version..0x%01x\n", smp->class_version);
363 	printk("Method.........0x%01x (%s)\n", smp->method,
364 	       get_method_name(smp->mgmt_class, smp->method));
365 	printk("Status.........0x%02x\n", be16_to_cpu(smp->status));
366 	if (smp->status)
367 		print_status_details(be16_to_cpu(smp->status));
368 	printk("Hop pointer....0x%01x\n", smp->hop_ptr);
369 	printk("Hop counter....0x%01x\n", smp->hop_cnt);
370 	printk("Trans ID.......0x%llx\n",
371 		(unsigned long long)be64_to_cpu(smp->tid));
372 	printk("Attr ID........0x%02x (%s)\n", be16_to_cpu(smp->attr_id),
373 		get_smp_attr(smp->attr_id));
374 	printk("Attr modifier..0x%04x\n", be32_to_cpu(smp->attr_mod));
375 
376 	printk("Mkey...........0x%llx\n",
377 		(unsigned long long)be64_to_cpu(smp->mkey));
378 	printk("DR SLID........0x%02x\n", be16_to_cpu(smp->dr_slid));
379 	printk("DR DLID........0x%02x", be16_to_cpu(smp->dr_dlid));
380 
381 	if (data) {
382 		for (i = 0; i < IB_SMP_DATA_SIZE; i++) {
383 			if (i % 16 == 0)
384 				printk("\nSMP Data.......");
385 			printk("%01x ", smp->data[i]);
386 		}
387 		for (i = 0; i < IB_SMP_MAX_PATH_HOPS; i++) {
388 			if (i % 16 == 0)
389 				printk("\nInitial path...");
390 			printk("%01x ", smp->initial_path[i]);
391 		}
392 		for (i = 0; i < IB_SMP_MAX_PATH_HOPS; i++) {
393 			if (i % 16 == 0)
394 				printk("\nReturn path....");
395 			printk("%01x ", smp->return_path[i]);
396 		}
397 	}
398 	printk("\n");
399 }
400 
snoop_smi_handler(struct ib_mad_agent * mad_agent,struct ib_mad_send_buf * send_buf,struct ib_mad_send_wc * mad_send_wc)401 static void snoop_smi_handler(struct ib_mad_agent *mad_agent,
402 			      struct ib_mad_send_buf *send_buf,
403 			      struct ib_mad_send_wc *mad_send_wc)
404 {
405 	struct ib_mad_hdr *hdr = send_buf->mad;
406 
407 	if (!smp && hdr->mgmt_class != mgmt_class)
408 		return;
409 	if (attr_id && be16_to_cpu(hdr->attr_id) != attr_id)
410 		return;
411 
412 	printk("Madeye:sent SMP\n");
413 	print_smp(send_buf->mad);
414 }
415 
recv_smi_handler(struct ib_mad_agent * mad_agent,struct ib_mad_recv_wc * mad_recv_wc)416 static void recv_smi_handler(struct ib_mad_agent *mad_agent,
417 			     struct ib_mad_recv_wc *mad_recv_wc)
418 {
419 	if (!smp && mad_recv_wc->recv_buf.mad->mad_hdr.mgmt_class != mgmt_class)
420 		return;
421 	if (attr_id && be16_to_cpu(mad_recv_wc->recv_buf.mad->mad_hdr.attr_id) != attr_id)
422 		return;
423 
424 	printk("Madeye:recv SMP\n");
425 	print_smp((struct ib_smp *)&mad_recv_wc->recv_buf.mad->mad_hdr);
426 }
427 
is_rmpp_mad(struct ib_mad_hdr * mad_hdr)428 static int is_rmpp_mad(struct ib_mad_hdr *mad_hdr)
429 {
430 	if (mad_hdr->mgmt_class == IB_MGMT_CLASS_SUBN_ADM) {
431 		switch (mad_hdr->method) {
432 		case IB_SA_METHOD_GET_TABLE:
433 		case IB_SA_METHOD_GET_TABLE_RESP:
434 		case IB_SA_METHOD_GET_MULTI_RESP:
435 			return 1;
436 		default:
437 			break;
438 		}
439 	} else if ((mad_hdr->mgmt_class >= IB_MGMT_CLASS_VENDOR_RANGE2_START) &&
440 		   (mad_hdr->mgmt_class <= IB_MGMT_CLASS_VENDOR_RANGE2_END))
441 		return 1;
442 
443 	return 0;
444 }
445 
snoop_gsi_handler(struct ib_mad_agent * mad_agent,struct ib_mad_send_buf * send_buf,struct ib_mad_send_wc * mad_send_wc)446 static void snoop_gsi_handler(struct ib_mad_agent *mad_agent,
447 			      struct ib_mad_send_buf *send_buf,
448 			      struct ib_mad_send_wc *mad_send_wc)
449 {
450 	struct ib_mad_hdr *hdr = send_buf->mad;
451 
452 	if (!gmp && hdr->mgmt_class != mgmt_class)
453 		return;
454 	if (attr_id && be16_to_cpu(hdr->attr_id) != attr_id)
455 		return;
456 
457 	printk("Madeye:sent GMP\n");
458 	print_mad_hdr(hdr);
459 
460 	if (is_rmpp_mad(hdr))
461 		print_rmpp_hdr(&((struct ib_rmpp_mad *) hdr)->rmpp_hdr);
462 }
463 
recv_gsi_handler(struct ib_mad_agent * mad_agent,struct ib_mad_recv_wc * mad_recv_wc)464 static void recv_gsi_handler(struct ib_mad_agent *mad_agent,
465 			     struct ib_mad_recv_wc *mad_recv_wc)
466 {
467 	struct ib_mad_hdr *hdr = &mad_recv_wc->recv_buf.mad->mad_hdr;
468 	struct ib_rmpp_mad *mad = NULL;
469 	struct ib_sa_mad *sa_mad;
470 	struct ib_vendor_mad *vendor_mad;
471 	u8 *mad_data;
472 	int i, j;
473 
474 	if (!gmp && hdr->mgmt_class != mgmt_class)
475 		return;
476 	if (attr_id && be16_to_cpu(mad_recv_wc->recv_buf.mad->mad_hdr.attr_id) != attr_id)
477 		return;
478 
479 	printk("Madeye:recv GMP\n");
480 	print_mad_hdr(hdr);
481 
482 	if (is_rmpp_mad(hdr)) {
483 		mad = (struct ib_rmpp_mad *) hdr;
484 		print_rmpp_hdr(&mad->rmpp_hdr);
485 	}
486 
487 	if (data) {
488 		if (hdr->mgmt_class == IB_MGMT_CLASS_SUBN_ADM) {
489 			j = IB_MGMT_SA_DATA;
490 			/* Display SA header */
491 			if (is_rmpp_mad(hdr) &&
492 			    mad->rmpp_hdr.rmpp_type != IB_MGMT_RMPP_TYPE_DATA)
493 				return;
494 			sa_mad = (struct ib_sa_mad *)
495 				 &mad_recv_wc->recv_buf.mad;
496 			mad_data = sa_mad->data;
497 		} else {
498 			if (is_rmpp_mad(hdr)) {
499 				j = IB_MGMT_VENDOR_DATA;
500 				/* Display OUI */
501 				vendor_mad = (struct ib_vendor_mad *)
502 					     &mad_recv_wc->recv_buf.mad;
503 				printk("Vendor OUI......%01x %01x %01x\n",
504 					vendor_mad->oui[0],
505 					vendor_mad->oui[1],
506 					vendor_mad->oui[2]);
507 				mad_data = vendor_mad->data;
508 			} else {
509 				j = IB_MGMT_MAD_DATA;
510 				mad_data = mad_recv_wc->recv_buf.mad->data;
511 			}
512 		}
513 		for (i = 0; i < j; i++) {
514 			if (i % 16 == 0)
515 				printk("\nData...........");
516 			printk("%01x ", mad_data[i]);
517 		}
518 		printk("\n");
519 	}
520 }
521 
madeye_add_one(struct ib_device * device)522 static void madeye_add_one(struct ib_device *device)
523 {
524 	struct madeye_port *port;
525 	int reg_flags;
526 	u8 i, s, e;
527 
528 	if (device->node_type == RDMA_NODE_IB_SWITCH) {
529 		s = 0;
530 		e = 0;
531 	} else {
532 		s = 1;
533 		e = device->phys_port_cnt;
534 	}
535 
536 	port = kmalloc(sizeof *port * (e - s + 1), GFP_KERNEL);
537 	if (!port)
538 		goto out;
539 
540 	reg_flags = IB_MAD_SNOOP_SEND_COMPLETIONS | IB_MAD_SNOOP_RECVS;
541 	for (i = 0; i <= e - s; i++) {
542 		port[i].smi_agent = ib_register_mad_snoop(device, i + s,
543 							  IB_QPT_SMI,
544 							  reg_flags,
545 							  snoop_smi_handler,
546 							  recv_smi_handler,
547 							  &port[i]);
548 		port[i].gsi_agent = ib_register_mad_snoop(device, i + s,
549 							  IB_QPT_GSI,
550 							  reg_flags,
551 							  snoop_gsi_handler,
552 							  recv_gsi_handler,
553 							  &port[i]);
554 	}
555 
556 out:
557 	ib_set_client_data(device, &madeye_client, port);
558 }
559 
madeye_remove_one(struct ib_device * device)560 static void madeye_remove_one(struct ib_device *device)
561 {
562 	struct madeye_port *port;
563 	int i, s, e;
564 
565 	port = (struct madeye_port *)
566 		ib_get_client_data(device, &madeye_client);
567 	if (!port)
568 		return;
569 
570 	if (device->node_type == RDMA_NODE_IB_SWITCH) {
571 		s = 0;
572 		e = 0;
573 	} else {
574 		s = 1;
575 		e = device->phys_port_cnt;
576 	}
577 
578 	for (i = 0; i <= e - s; i++) {
579 		if (!IS_ERR(port[i].smi_agent))
580 			ib_unregister_mad_agent(port[i].smi_agent);
581 		if (!IS_ERR(port[i].gsi_agent))
582 			ib_unregister_mad_agent(port[i].gsi_agent);
583 	}
584 	kfree(port);
585 }
586 
ib_madeye_init(void)587 static int __init ib_madeye_init(void)
588 {
589 	return ib_register_client(&madeye_client);
590 }
591 
ib_madeye_cleanup(void)592 static void __exit ib_madeye_cleanup(void)
593 {
594 	ib_unregister_client(&madeye_client);
595 }
596 
597 module_init_order(ib_madeye_init, SI_ORDER_THIRD);
598 module_exit_order(ib_madeye_cleanup, SI_ORDER_THIRD);
599