1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25 #include <stdio.h>
26 #include <libdevinfo.h>
27 #include <sys/types.h>
28 #include <sys/stat.h>
29 #include <string.h>
30 #include <fcntl.h>
31 #include <unistd.h>
32 #include <stropts.h>
33 #include <stdlib.h>
34 #include <errno.h>
35 #include <strings.h>
36 #include <libintl.h>
37 #include <net/if_types.h>
38 #include <net/if_dl.h>
39 #include <sys/dld.h>
40 #include <sys/ib/ib_types.h>
41 #include <sys/ibpart.h>
42 #include <libdllink.h>
43 #include <libdladm.h>
44 #include <libdlib.h>
45 #include <libdladm_impl.h>
46
47 /*
48 * IP over IB administration API; see PSARC/2010/085
49 */
50
51 /*
52 * Function prototypes
53 */
54 dladm_status_t dladm_part_create(dladm_handle_t, datalink_id_t, ib_pkey_t,
55 uint32_t, char *, datalink_id_t *, dladm_arg_list_t *);
56 static dladm_status_t i_dladm_part_create(dladm_handle_t,
57 dladm_part_attr_t *);
58 static dladm_status_t dladm_part_persist_conf(dladm_handle_t, const char *,
59 dladm_part_attr_t *);
60 static dladm_status_t i_dladm_part_delete(dladm_handle_t, datalink_id_t);
61 dladm_status_t dladm_part_delete(dladm_handle_t, datalink_id_t, int);
62 static int i_dladm_part_up(dladm_handle_t, datalink_id_t, void *);
63 dladm_status_t dladm_part_up(dladm_handle_t, datalink_id_t, uint32_t);
64
65 /*
66 * Convert a error status returned by the IP over IB kernel driver to a
67 * valid dladm status.
68 */
69 static dladm_status_t
dladm_ib_ioctl_err2status(int err)70 dladm_ib_ioctl_err2status(int err)
71 {
72 switch (err) {
73 case 0:
74 return (DLADM_STATUS_OK);
75 case IBD_INVALID_PORT_INST:
76 return (DLADM_STATUS_INVALID_PORT_INSTANCE);
77 case IBD_PORT_IS_DOWN:
78 return (DLADM_STATUS_PORT_IS_DOWN);
79 case IBD_PKEY_NOT_PRESENT:
80 return (DLADM_STATUS_PKEY_NOT_PRESENT);
81 case IBD_PARTITION_EXISTS:
82 return (DLADM_STATUS_PARTITION_EXISTS);
83 case IBD_INVALID_PKEY:
84 return (DLADM_STATUS_INVALID_PKEY);
85 case IBD_NO_HW_RESOURCE:
86 return (DLADM_STATUS_NO_IB_HW_RESOURCE);
87 case IBD_INVALID_PKEY_TBL_SIZE:
88 return (DLADM_STATUS_INVALID_PKEY_TBL_SIZE);
89 default:
90 return (DLADM_STATUS_FAILED);
91 }
92 }
93
94 static dladm_status_t
i_dladm_ib_ioctl(dladm_handle_t handle,int ioccmd,ibd_ioctl_t * iocp)95 i_dladm_ib_ioctl(dladm_handle_t handle, int ioccmd, ibd_ioctl_t *iocp)
96 {
97 if (ioctl(dladm_dld_fd(handle), ioccmd, iocp) == 0)
98 return (DLADM_STATUS_OK);
99
100 if (iocp->ioc_status == 0)
101 return (dladm_errno2status(errno));
102
103 return (dladm_ib_ioctl_err2status(iocp->ioc_status));
104 }
105
106 /*
107 * Get the active configuration information for the partition given by
108 * the 'linkid'.
109 */
110 static dladm_status_t
i_dladm_part_info_active(dladm_handle_t handle,datalink_id_t linkid,dladm_part_attr_t * attrp)111 i_dladm_part_info_active(dladm_handle_t handle, datalink_id_t linkid,
112 dladm_part_attr_t *attrp)
113 {
114 ibpart_ioctl_t ioc;
115 dladm_status_t status = DLADM_STATUS_OK;
116
117 bzero(&ioc, sizeof (ioc));
118 bzero(attrp, sizeof (*attrp));
119 /*
120 * The ioc_linkid here will contain the data link id of the IB partition
121 * object.
122 */
123 ioc.ibdioc.ioc_linkid = linkid;
124 ioc.ibdioc.ioc_info_cmd = IBD_INFO_CMD_IBPART;
125
126 status = i_dladm_ib_ioctl(handle, IBD_INFO_IBPART, (ibd_ioctl_t *)&ioc);
127 if (status != DLADM_STATUS_OK)
128 goto bail;
129
130 /*
131 * On return from the ioctl ioc_linkid field contains the IB port's
132 * linkid.
133 */
134 attrp->dia_physlinkid = ioc.ibdioc.ioc_linkid;
135 attrp->dia_partlinkid = ioc.ioc_partid;
136 attrp->dia_pkey = ioc.ioc_pkey;
137 attrp->dia_portnum = ioc.ibdioc.ioc_portnum;
138 attrp->dia_hca_guid = ioc.ibdioc.ioc_hcaguid;
139 attrp->dia_port_guid = ioc.ibdioc.ioc_portguid;
140 attrp->dia_instance = ioc.ibdioc.ioc_port_inst;
141
142 /*
143 * If the IP over IB driver reports that this partition was created
144 * forcibly, then set the force create flag.
145 */
146 if (ioc.ioc_force_create)
147 attrp->dia_flags |= DLADM_PART_FORCE_CREATE;
148
149 bail:
150 return (status);
151 }
152
153 /*
154 * Get the configuration information about the IB partition 'linkid' from the
155 * persistent configuration.
156 */
157 static dladm_status_t
i_dladm_part_info_persist(dladm_handle_t handle,datalink_id_t linkid,dladm_part_attr_t * attrp)158 i_dladm_part_info_persist(dladm_handle_t handle, datalink_id_t linkid,
159 dladm_part_attr_t *attrp)
160 {
161 dladm_conf_t conf;
162 dladm_status_t status;
163 char linkover[MAXLINKNAMELEN];
164 datalink_class_t class;
165 boolean_t force = B_FALSE;
166
167 /* Get the IB partition's datalink ID */
168 if ((status = dladm_datalink_id2info(handle, linkid, NULL, &class,
169 NULL, NULL, 0)) != DLADM_STATUS_OK)
170 goto done;
171
172 bzero(attrp, sizeof (*attrp));
173 attrp->dia_partlinkid = linkid;
174 if ((status = dladm_getsnap_conf(handle, linkid, &conf)) !=
175 DLADM_STATUS_OK)
176 return (status);
177
178 /*
179 * Get the name of the IB Phys link over which IB partition was
180 * created.
181 */
182 status = dladm_get_conf_field(handle, conf, FLINKOVER, linkover,
183 sizeof (linkover));
184 if (status != DLADM_STATUS_OK) {
185 attrp->dia_physlinkid = DATALINK_INVALID_LINKID;
186 goto done;
187 } else {
188 /* Get the IB Phys link's datalink ID */
189 if ((status = dladm_name2info(handle, linkover,
190 &attrp->dia_physlinkid, NULL, NULL, NULL)) !=
191 DLADM_STATUS_OK)
192 goto done;
193 }
194
195 /* Get the IB partition's P_Key */
196 status = dladm_get_conf_field(handle, conf, FPORTPKEY,
197 &attrp->dia_pkey, sizeof (uint64_t));
198 if (status != DLADM_STATUS_OK)
199 goto done;
200
201 if (class != DATALINK_CLASS_PART) {
202 status = DLADM_STATUS_BADARG;
203 goto done;
204 }
205
206 /*
207 * If the FFORCE field is set in the persistent configuration database
208 * set the force create flag in the partition attributes.
209 */
210 status = dladm_get_conf_field(handle, conf, FFORCE, &force,
211 sizeof (boolean_t));
212 if (status != DLADM_STATUS_OK) {
213 if (status != DLADM_STATUS_NOTFOUND)
214 goto done;
215 } else if (force == B_TRUE) {
216 attrp->dia_flags |= DLADM_PART_FORCE_CREATE;
217 }
218
219 status = DLADM_STATUS_OK;
220 done:
221 dladm_destroy_conf(handle, conf);
222 return (status);
223 }
224
225 /*
226 * Get the configuration information for the IB partition given by the datalink
227 * ID 'linkid'. Based on the 'flags' field the information is either from the
228 * active system (DLADM_OPT_ACTIVE) or from the persistent configuration
229 * database.
230 */
231 dladm_status_t
dladm_part_info(dladm_handle_t handle,datalink_id_t linkid,dladm_part_attr_t * attrp,uint32_t flags)232 dladm_part_info(dladm_handle_t handle, datalink_id_t linkid,
233 dladm_part_attr_t *attrp, uint32_t flags)
234 {
235 if (flags == DLADM_OPT_ACTIVE)
236 return (i_dladm_part_info_active(handle, linkid, attrp));
237 else if (flags == DLADM_OPT_PERSIST)
238 return (i_dladm_part_info_persist(handle, linkid, attrp));
239 else
240 return (DLADM_STATUS_BADARG);
241 }
242
243 /*
244 * Get the configuration information for the IB Phys link given by the datalink
245 * ID 'linkid'.
246 */
247 /* ARGSUSED */
248 dladm_status_t
dladm_ib_info(dladm_handle_t handle,datalink_id_t linkid,dladm_ib_attr_t * attrp,uint32_t flags)249 dladm_ib_info(dladm_handle_t handle, datalink_id_t linkid,
250 dladm_ib_attr_t *attrp, uint32_t flags)
251 {
252 uint_t instance;
253 ibport_ioctl_t ioc;
254 dladm_phys_attr_t dpa;
255 dladm_status_t status = DLADM_STATUS_OK;
256
257 /*
258 * We need to get the device name of the IB Phys link to get the
259 * correct instance number of the IP over IB driver instance.
260 */
261 if (dladm_phys_info(handle, linkid, &dpa, DLADM_OPT_ACTIVE)
262 != DLADM_STATUS_OK)
263 return (DLADM_STATUS_BADARG);
264
265 /*
266 * Get the instance number of the IP over IB driver instance which
267 * represents this IB Phys link.
268 */
269 if (dladm_parselink(dpa.dp_dev, NULL, &instance) != DLADM_STATUS_OK)
270 return (DLADM_STATUS_FAILED);
271
272 bzero(&ioc, sizeof (ioc));
273 /*
274 * The ioc_linkid here will contain IB port linkid here. We make the
275 * first ioctl call to get the P_Key table size for this HCA port.
276 */
277 ioc.ibdioc.ioc_linkid = linkid;
278 ioc.ibdioc.ioc_info_cmd = IBD_INFO_CMD_PKEYTBLSZ;
279 ioc.ioc_pkey_tbl_sz = 0;
280 ioc.ibdioc.ioc_port_inst = instance;
281
282 status = i_dladm_ib_ioctl(handle, IBD_INFO_IBPART, (ibd_ioctl_t *)&ioc);
283 if (status != DLADM_STATUS_OK)
284 return (status);
285
286 /*
287 * Now allocate the memory for the P_Key table based on the table size
288 * return by the ioctl.
289 */
290 ioc.ioc_pkeys = calloc(sizeof (ib_pkey_t), ioc.ioc_pkey_tbl_sz);
291 if (ioc.ioc_pkeys == NULL) {
292 status = dladm_errno2status(errno);
293 goto bail;
294 }
295
296 /*
297 * Call the ioctl again to get the P_Key table and other IB Phys link
298 * attributes.
299 */
300 ioc.ibdioc.ioc_linkid = linkid;
301 ioc.ibdioc.ioc_port_inst = instance;
302 ioc.ibdioc.ioc_info_cmd = IBD_INFO_CMD_IBPORT;
303
304 status = i_dladm_ib_ioctl(handle, IBD_INFO_IBPART, (ibd_ioctl_t *)&ioc);
305 if (status != DLADM_STATUS_OK)
306 goto bail;
307
308 attrp->dia_physlinkid = ioc.ibdioc.ioc_linkid;
309 attrp->dia_portnum = ioc.ibdioc.ioc_portnum;
310 attrp->dia_port_pkey_tbl_sz = ioc.ioc_pkey_tbl_sz;
311 attrp->dia_port_pkeys = ioc.ioc_pkeys;
312 attrp->dia_hca_guid = ioc.ibdioc.ioc_hcaguid;
313 attrp->dia_port_guid = ioc.ibdioc.ioc_portguid;
314 attrp->dia_instance = ioc.ibdioc.ioc_port_inst;
315 return (status);
316 bail:
317 free(ioc.ioc_pkeys);
318 return (status);
319 }
320
321 /*
322 * Free the memory allocated for the IB HCA port's P_Key table by
323 * dladm_ib_info library call.
324 */
325 void
dladm_free_ib_info(dladm_ib_attr_t * attr)326 dladm_free_ib_info(dladm_ib_attr_t *attr)
327 {
328 if (attr && attr->dia_port_pkeys)
329 free(attr->dia_port_pkeys);
330 }
331
332 /*
333 * Call into the IP over IB driver to create a partition object.
334 */
335 static dladm_status_t
i_dladm_part_create(dladm_handle_t handle,dladm_part_attr_t * pattr)336 i_dladm_part_create(dladm_handle_t handle, dladm_part_attr_t *pattr)
337 {
338 ibpart_ioctl_t ioc;
339
340 bzero(&ioc, sizeof (ioc));
341
342 /* IB Physical datalink ID */
343 ioc.ibdioc.ioc_linkid = pattr->dia_physlinkid;
344 /* IB Partition datalink ID */
345 ioc.ioc_partid = pattr->dia_partlinkid;
346 ioc.ioc_pkey = pattr->dia_pkey;
347 ioc.ibdioc.ioc_port_inst = pattr->dia_instance;
348 ioc.ioc_force_create = ((pattr->dia_flags & DLADM_OPT_FORCE)
349 != 0);
350
351 return (i_dladm_ib_ioctl(handle, IBD_CREATE_IBPART, &ioc.ibdioc));
352 }
353
354 /*
355 * Create an entry in the dladm persistent configuration database for the
356 * partition specified by pattr.
357 */
358 dladm_status_t
dladm_part_persist_conf(dladm_handle_t handle,const char * pname,dladm_part_attr_t * pattr)359 dladm_part_persist_conf(dladm_handle_t handle, const char *pname,
360 dladm_part_attr_t *pattr)
361 {
362
363 dladm_conf_t conf;
364 dladm_status_t status;
365 char linkover[MAXLINKNAMELEN];
366 uint64_t u64;
367
368 status = dladm_create_conf(handle, pname, pattr->dia_partlinkid,
369 DATALINK_CLASS_PART, DL_IB, &conf);
370 if (status != DLADM_STATUS_OK)
371 return (status);
372
373 /*
374 * Get the name of the IB Phys link over which this partition was
375 * created.
376 */
377 status = dladm_datalink_id2info(handle, pattr->dia_physlinkid,
378 NULL, NULL, NULL, linkover, sizeof (linkover));
379 if (status != DLADM_STATUS_OK)
380 return (status);
381
382 /* Store IB Phys link name (linkover) */
383 status = dladm_set_conf_field(handle, conf, FLINKOVER, DLADM_TYPE_STR,
384 linkover);
385 if (status != DLADM_STATUS_OK)
386 return (status);
387
388 u64 = pattr->dia_pkey;
389
390 /* Store the IB Partitions P_Key */
391 status = dladm_set_conf_field(handle, conf, FPORTPKEY,
392 DLADM_TYPE_UINT64, &u64);
393 if (status != DLADM_STATUS_OK)
394 return (status);
395
396 if (pattr->dia_flags & DLADM_OPT_FORCE) {
397 boolean_t force = B_TRUE;
398 /* Store the force create flag. */
399 status = dladm_set_conf_field(handle, conf, FFORCE,
400 DLADM_TYPE_BOOLEAN, &force);
401 if (status != DLADM_STATUS_OK)
402 goto done;
403 }
404
405 status = dladm_write_conf(handle, conf);
406 if (status != DLADM_STATUS_OK)
407 return (status);
408
409 dladm_destroy_conf(handle, conf);
410 done:
411 return (status);
412 }
413
414 /*
415 * Create a new IB Partition datalink of name 'pname' over the IB Physical link
416 * given in 'physlinkid' with the P_key 'pkey' and return the datalink ID in
417 * 'partlinkid'. If the 'force' option is set in the 'flags' argument, the
418 * partition will be created even if the P_Key 'pkey' does not exist or if the
419 * HCA port represented by the IB Phys link is down. If the 'temporary' flag is
420 * set, then the configuration information is not added to the persistent
421 * database.
422 */
423 dladm_status_t
dladm_part_create(dladm_handle_t handle,datalink_id_t physlinkid,ib_pkey_t pkey,uint32_t flags,char * pname,datalink_id_t * partlinkid,dladm_arg_list_t * proplist)424 dladm_part_create(dladm_handle_t handle, datalink_id_t physlinkid,
425 ib_pkey_t pkey, uint32_t flags, char *pname, datalink_id_t *partlinkid,
426 dladm_arg_list_t *proplist)
427 {
428 int i;
429 dladm_status_t status;
430 uint_t media;
431 boolean_t part_created = B_FALSE;
432 boolean_t conf_set = B_FALSE;
433 dladm_phys_attr_t dpa;
434 dladm_part_attr_t pattr;
435
436 pattr.dia_pkey = pkey;
437 pattr.dia_physlinkid = physlinkid; /* IB Phys link's datalink id */
438 pattr.dia_flags = flags;
439
440 flags &= ~DLADM_OPT_FORCE;
441
442 /*
443 * Check whether the PKEY is valid. If not, return immediately
444 * Only full members are allowed as per the IPoIB specification
445 */
446 if (pattr.dia_pkey <= IB_PKEY_INVALID_FULL)
447 return (DLADM_STATUS_INVALID_PKEY);
448
449 /*
450 * Get the media type of the Phys link datalink ID provided and
451 * make sure that it is Infiniband media DL_IB)
452 */
453 if ((status = dladm_datalink_id2info(handle, pattr.dia_physlinkid, NULL,
454 NULL, &media, NULL, 0)) != DLADM_STATUS_OK)
455 return (status);
456
457 if (media != DL_IB)
458 return (dladm_errno2status(ENOTSUP));
459
460 /*
461 * Get the instance number of the IP over IB driver instance which the
462 * IB Phys link 'physlinkid' over which we will be creating our IB
463 * partition.
464 */
465 if ((status = dladm_phys_info(handle, pattr.dia_physlinkid, &dpa,
466 DLADM_OPT_ACTIVE)) != DLADM_STATUS_OK)
467 return (status);
468
469 if (dladm_parselink(dpa.dp_dev, NULL, (uint_t *)&pattr.dia_instance) !=
470 DLADM_STATUS_OK)
471 return (DLADM_STATUS_FAILED);
472
473
474 if ((status = dladm_create_datalink_id(handle, pname,
475 DATALINK_CLASS_PART, DL_IB, flags, &pattr.dia_partlinkid)) !=
476 DLADM_STATUS_OK)
477 return (status);
478
479 /*
480 * Create the IB partition object.
481 */
482 status = i_dladm_part_create(handle, &pattr);
483 if (status != DLADM_STATUS_OK)
484 goto done;
485
486 part_created = B_TRUE;
487
488 /*
489 * If the persist flag is set then write this partition information
490 * to the persistent configuration.
491 */
492 if (pattr.dia_flags & DLADM_OPT_PERSIST) {
493 status = dladm_part_persist_conf(handle, pname, &pattr);
494 if (status != DLADM_STATUS_OK)
495 goto done;
496 conf_set = B_TRUE;
497 }
498
499 /*
500 * If the name-value pair list of properties were provided set those
501 * properties over the datalink.
502 */
503 if (proplist != NULL) {
504 for (i = 0; i < proplist->al_count; i++) {
505 dladm_arg_info_t *aip = &proplist->al_info[i];
506
507 status = dladm_set_linkprop(handle,
508 pattr.dia_partlinkid, aip->ai_name, aip->ai_val,
509 aip->ai_count, pattr.dia_flags);
510 if (status != DLADM_STATUS_OK)
511 break;
512 }
513 }
514 done:
515 if (status != DLADM_STATUS_OK) {
516 if (conf_set)
517 (void) dladm_remove_conf(handle, pattr.dia_partlinkid);
518 if (part_created)
519 (void) i_dladm_part_delete(handle,
520 pattr.dia_partlinkid);
521 (void) dladm_destroy_datalink_id(handle, pattr.dia_partlinkid,
522 flags);
523 }
524
525 if (partlinkid != NULL)
526 *partlinkid = pattr.dia_partlinkid;
527
528 return (status);
529 }
530
531 /*
532 * Call into the IP over IB driver to delete the IB partition and free up all
533 * the resources allocated for it.
534 */
535 static dladm_status_t
i_dladm_part_delete(dladm_handle_t handle,datalink_id_t partid)536 i_dladm_part_delete(dladm_handle_t handle, datalink_id_t partid)
537 {
538 ibpart_ioctl_t ioc;
539
540 bzero(&ioc, sizeof (ioc));
541 ioc.ioc_partid = partid;
542 return (i_dladm_ib_ioctl(handle, IBD_DELETE_IBPART, &ioc.ibdioc));
543 }
544
545 /*
546 * Delete an IB partition if 'flags' contains the active flag. Update the
547 * persistent configuration if 'flags' contains the persist flag.
548 */
549 dladm_status_t
dladm_part_delete(dladm_handle_t handle,datalink_id_t partid,int flags)550 dladm_part_delete(dladm_handle_t handle, datalink_id_t partid, int flags)
551 {
552 dladm_status_t status = DLADM_STATUS_OK;
553 datalink_class_t class;
554
555 if (flags == 0)
556 return (DLADM_STATUS_BADARG);
557
558 /*
559 * Make sure that the datalinkid provided is an IB partition class
560 * datalink ID.
561 */
562 if ((dladm_datalink_id2info(handle, partid, NULL, &class, NULL, NULL, 0)
563 != DLADM_STATUS_OK))
564 return (DLADM_STATUS_BADARG);
565
566 if (class != DATALINK_CLASS_PART)
567 return (DLADM_STATUS_BADARG);
568
569 if ((flags & DLADM_OPT_ACTIVE) != 0) {
570 status = i_dladm_part_delete(handle, partid);
571 if (status == DLADM_STATUS_OK) {
572 (void) dladm_set_linkprop(handle, partid, NULL, NULL, 0,
573 DLADM_OPT_ACTIVE);
574 (void) dladm_destroy_datalink_id(handle, partid,
575 DLADM_OPT_ACTIVE);
576 } else if (status != DLADM_STATUS_NOTFOUND ||
577 !(flags & DLADM_OPT_PERSIST)) {
578 return (status);
579 }
580 }
581
582 if ((flags & DLADM_OPT_PERSIST) != 0) {
583 dladm_status_t db_status;
584 db_status = dladm_remove_conf(handle, partid);
585
586 /*
587 * A partition could have been temporarily deleted in which
588 * case the delete of the active partition above would have
589 * failed. In that case, we update the status to be returned
590 * to that of the status returned for deleting the persistent
591 * database entry.
592 */
593 if (status == DLADM_STATUS_NOTFOUND)
594 status = db_status;
595
596 (void) dladm_destroy_datalink_id(handle, partid,
597 DLADM_OPT_PERSIST);
598 }
599
600 return (status);
601 }
602
603 /*
604 * Call into the IP over IB driver to create the active instances of one or all
605 * IB partitions present in the persistent configuration.
606 */
607 /* ARGSUSED */
608 static int
i_dladm_part_up(dladm_handle_t handle,datalink_id_t plinkid,void * arg)609 i_dladm_part_up(dladm_handle_t handle, datalink_id_t plinkid, void *arg)
610 {
611 dladm_conf_t conf;
612 datalink_id_t linkid;
613 ib_pkey_t pkey;
614 uint64_t u64;
615 char linkover[MAXLINKNAMELEN];
616 dladm_status_t status;
617 dladm_phys_attr_t dpa;
618 dladm_part_attr_t pattr;
619
620 /*
621 * plinkid is the IB partition datalink's ID. Get an handle to the
622 * persistent configuration entry for this datalink ID. If this datalink
623 * ID is not present in the persistent configuration return.
624 */
625 if ((status = dladm_getsnap_conf(handle, plinkid, &conf)) !=
626 DLADM_STATUS_OK)
627 return (status);
628
629 /*
630 * Get the name of the IB Phys link over which this partition was
631 * created.
632 */
633 status = dladm_get_conf_field(handle, conf, FLINKOVER, linkover,
634 sizeof (linkover));
635 if (status != DLADM_STATUS_OK)
636 goto done;
637
638 if ((status = dladm_name2info(handle, linkover, &linkid, NULL, NULL,
639 NULL)) != DLADM_STATUS_OK)
640 goto done;
641
642 /*
643 * Get the phys attribute of the IB Phys link to get the device name
644 * associated with the phys link. We need this to get the IP over IB
645 * driver instance number.
646 */
647 if (dladm_phys_info(handle, linkid, &dpa, DLADM_OPT_ACTIVE)
648 != DLADM_STATUS_OK)
649 goto done;
650
651 /* Get the IB partition's P_key */
652 status = dladm_get_conf_field(handle, conf, FPORTPKEY, &u64,
653 sizeof (u64));
654 if (status != DLADM_STATUS_OK)
655 goto done;
656
657 pkey = (ib_pkey_t)u64;
658
659 /*
660 * We always set the force flag during dladm_part_up because we want
661 * the partition creation to succeed even if the IB HCA port over which
662 * the partition is being created is still down. Since dladm_part_up
663 * is usually invoked during early boot sequence, it is possible under
664 * some IB subnet configurations for dladm_up_part to be called before
665 * the IB link negotiation is completed and port state is set to active
666 * and P_Key table is updated.
667 */
668 pattr.dia_flags = DLADM_OPT_FORCE | DLADM_OPT_ACTIVE |
669 DLADM_OPT_PERSIST;
670 /* IB Phys link's datalink ID. */
671 pattr.dia_physlinkid = linkid;
672 /* IB Partition's datalink ID. */
673 pattr.dia_partlinkid = plinkid;
674 pattr.dia_pkey = pkey;
675 if (dladm_parselink(dpa.dp_dev, NULL, (uint_t *)&pattr.dia_instance) !=
676 DLADM_STATUS_OK)
677 return (DLADM_WALK_CONTINUE);
678
679 /* Create the active IB Partition object. */
680 if (i_dladm_part_create(handle, &pattr) == DLADM_STATUS_OK &&
681 dladm_up_datalink_id(handle, plinkid) != DLADM_STATUS_OK)
682 (void) i_dladm_part_delete(handle, linkid);
683
684 done:
685 dladm_destroy_conf(handle, conf);
686 return (DLADM_WALK_CONTINUE);
687 }
688
689 /*
690 * Bring up one or all IB partition(s) present in the persistent configuration
691 * database. If we need to bring up one IB Partition, its datalink ID is
692 * provided in 'linkid'.
693 */
694 /* ARGSUSED */
695 dladm_status_t
dladm_part_up(dladm_handle_t handle,datalink_id_t linkid,uint32_t flags)696 dladm_part_up(dladm_handle_t handle, datalink_id_t linkid, uint32_t flags)
697 {
698 dladm_status_t status = DLADM_STATUS_OK;
699
700 if (linkid == DATALINK_ALL_LINKID) {
701 (void) dladm_walk_datalink_id(i_dladm_part_up, handle,
702 &status, DATALINK_CLASS_PART, DATALINK_ANY_MEDIATYPE,
703 DLADM_OPT_PERSIST);
704 return (DLADM_STATUS_OK);
705 } else {
706 (void) i_dladm_part_up(handle, linkid, &status);
707 return (status);
708 }
709 }
710