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 /*
23 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
24 */
25
26 #include <sys/types.h>
27 #include <sys/socket.h>
28 #include <sys/sockio.h>
29 #include <sys/param.h>
30 #include <sys/stat.h>
31 #include <netinet/in.h>
32 #include <arpa/inet.h>
33 #include <net/if.h>
34 #include <unistd.h>
35 #include <stdlib.h>
36 #include <string.h>
37 #include <errno.h>
38 #include <strings.h>
39 #include <fcntl.h>
40 #include <libdladm.h>
41 #include <libdlib.h>
42 #include <libdllink.h>
43 #include <sys/ib/ibnex/ibnex_devctl.h>
44
45 #include "dapl.h"
46 #include "dapl_adapter_util.h"
47 #include "dapl_tavor_ibtf_impl.h"
48 #include "dapl_hca_util.h"
49 #include "dapl_name_service.h"
50 #define MAX_HCAS 64
51 #define PROP_HCA_GUID "hca-guid"
52 #define PROP_PORT_NUM "port-number"
53 #define PROP_PORT_PKEY "port-pkey"
54
55 #define DEVDAPLT "/dev/daplt"
56
57 /* function prototypes */
58 static DAT_RETURN dapli_process_tavor_node(char *dev_path, int *hca_idx,
59 int try_blueflame);
60 static DAT_RETURN dapli_process_ia(dladm_ib_attr_t *ib_attr, DAPL_HCA *hca_ptr,
61 int hca_idx);
62
63 #if defined(IBHOSTS_NAMING)
64 #include <stdio.h>
65 static int dapli_process_fake_ibds(DAPL_HCA **hca_list, int hca_idx);
66 #endif /* IBHOSTS_NAMING */
67
68 static DAPL_OS_LOCK g_tavor_state_lock;
69 static struct dapls_ib_hca_state g_tavor_state[MAX_HCAS];
70 DAPL_OS_LOCK g_tavor_uar_lock;
71 DAPL_OS_LOCK dapls_ib_dbp_lock;
72
73 DAT_RETURN
dapli_init_hca(IN DAPL_HCA * hca_ptr)74 dapli_init_hca(
75 IN DAPL_HCA *hca_ptr)
76 {
77 DAT_RETURN dat_status = DAT_SUCCESS;
78 int hca_idx = 0;
79 int check_for_bf = 0;
80 datalink_class_t class;
81 datalink_id_t linkid;
82 dladm_ib_attr_t ib_attr;
83 ibnex_ctl_query_hca_t query_hca;
84 int ibnex_fd = -1;
85 dladm_handle_t dlh;
86 char hca_device_path[MAXPATHLEN];
87
88 if (dladm_open(&dlh) != DLADM_STATUS_OK) {
89 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
90 "init_hca: dladm_open failed\n");
91 return (DAT_INTERNAL_ERROR);
92 }
93
94 if ((ibnex_fd = open(IBNEX_DEVCTL_DEV, O_RDONLY)) < 0) {
95 dat_status = DAT_ERROR(DAT_NAME_NOT_FOUND, 0);
96 dapl_dbg_log(DAPL_DBG_TYPE_UTIL,
97 "init_hca: could not open ib nexus (%s)\n",
98 strerror(errno));
99 goto bail;
100 }
101
102 if ((dladm_name2info(dlh, hca_ptr->name, &linkid, NULL, &class,
103 NULL) != DLADM_STATUS_OK) ||
104 (class != DATALINK_CLASS_PART) ||
105 (dladm_part_info(dlh, linkid, &ib_attr,
106 DLADM_OPT_ACTIVE) != DLADM_STATUS_OK)) {
107 dat_status = DAT_ERROR(DAT_NAME_NOT_FOUND, 0);
108 dapl_dbg_log(DAPL_DBG_TYPE_UTIL,
109 "init_hca: %s not found - couldn't get partition info\n",
110 hca_ptr->name);
111 goto bail;
112 }
113
114 bzero(&query_hca, sizeof (query_hca));
115 query_hca.hca_guid = ib_attr.dia_hca_guid;
116 query_hca.hca_device_path = hca_device_path;
117 query_hca.hca_device_path_alloc_sz = sizeof (hca_device_path);
118 if (ioctl(ibnex_fd, IBNEX_CTL_QUERY_HCA, &query_hca) == -1) {
119 dat_status = DAT_ERROR(DAT_NAME_NOT_FOUND, 0);
120 dapl_dbg_log(DAPL_DBG_TYPE_UTIL,
121 "init_hca: %s not found; query_hca failed\n",
122 hca_ptr->name);
123 goto bail;
124 }
125
126 if (strcmp(query_hca.hca_info.hca_driver_name, "tavor") == 0)
127 dapls_init_funcs_tavor(hca_ptr);
128 else if (strcmp(query_hca.hca_info.hca_driver_name, "arbel") == 0)
129 dapls_init_funcs_arbel(hca_ptr);
130 else if (strcmp(query_hca.hca_info.hca_driver_name, "hermon") == 0) {
131 dapls_init_funcs_hermon(hca_ptr);
132 check_for_bf = 1;
133 } else {
134 dat_status = DAT_ERROR(DAT_NAME_NOT_FOUND, 0);
135 dapl_dbg_log(DAPL_DBG_TYPE_UTIL,
136 "init_hca: %s not found\n", hca_ptr->name);
137 goto bail;
138 }
139
140 dat_status = dapli_process_tavor_node(hca_device_path, &hca_idx,
141 check_for_bf);
142 if (dat_status != DAT_SUCCESS) {
143 dapl_dbg_log(DAPL_DBG_TYPE_UTIL,
144 "init_hcas: %s process_tavor_node failed(0x%x)\n",
145 hca_ptr->name, dat_status);
146 goto bail;
147 }
148
149 #if defined(IBHOSTS_NAMING)
150 if (dapli_process_fake_ibds(hca_ptr, hca_idx) == 0) {
151 /* no entries were found */
152 dat_status = DAT_ERROR(DAT_NAME_NOT_FOUND, 0);
153 }
154 #else
155 dat_status = dapli_process_ia(&ib_attr, hca_ptr, hca_idx);
156 #endif
157 if (dat_status != DAT_SUCCESS) {
158 dapl_dbg_log(DAPL_DBG_TYPE_UTIL,
159 "init_hcas: %s process_ia failed(0x%x)\n",
160 hca_ptr->name, dat_status);
161 goto bail;
162 }
163
164 dapl_dbg_log(DAPL_DBG_TYPE_UTIL,
165 "init_hcas: done %s\n", hca_ptr->name);
166
167 bail:
168 if (ibnex_fd != -1)
169 (void) close(ibnex_fd);
170 dladm_close(dlh);
171 return (dat_status);
172 }
173
174 static DAT_RETURN
dapli_process_tavor_node(char * dev_path,int * hca_idx,int try_blueflame)175 dapli_process_tavor_node(char *dev_path, int *hca_idx, int try_blueflame)
176 {
177 char path_buf[MAXPATHLEN];
178 int i, idx, fd;
179 #ifndef _LP64
180 int tmpfd;
181 #endif
182 size_t pagesize;
183 void *mapaddr;
184 pid_t cur_pid;
185 off64_t uarpg_offset;
186
187 dapl_os_lock(&g_tavor_state_lock);
188
189 for (idx = 0; idx < MAX_HCAS; idx++) {
190 /*
191 * page size == 0 means this entry is not occupied
192 */
193 if (g_tavor_state[idx].uarpg_size == 0) {
194 break;
195 }
196 }
197 if (idx == MAX_HCAS) {
198 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
199 "process_tavor: all hcas are being used!\n");
200 dapl_os_unlock(&g_tavor_state_lock);
201 return (DAT_ERROR(DAT_INSUFFICIENT_RESOURCES, 0));
202 }
203
204 for (i = 0; i < idx; i++) {
205 if (strcmp(dev_path, g_tavor_state[i].hca_path) == 0) {
206 /* no need for a refcnt */
207 idx = i;
208 goto done;
209 }
210 }
211
212 /* Add 16 to accomodate the prefix "/devices" and suffix ":devctl" */
213 if (strlen("/devices") + strlen(dev_path) + strlen(":devctl") + 1 >
214 MAXPATHLEN) {
215 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
216 "process_tavor: devfs path %s is too long\n",
217 dev_path);
218 dapl_os_unlock(&g_tavor_state_lock);
219 return (DAT_ERROR(DAT_INTERNAL_ERROR, 0));
220 }
221 (void) dapl_os_strcpy(path_buf, "/devices");
222 (void) dapl_os_strcat(path_buf, dev_path);
223 (void) dapl_os_strcat(path_buf, ":devctl");
224 (void) dapl_os_strcpy(g_tavor_state[idx].hca_path, dev_path);
225
226 pagesize = (size_t)sysconf(_SC_PAGESIZE);
227 if (pagesize == 0) {
228 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
229 "process_tavor: page_size == 0\n");
230 dapl_os_unlock(&g_tavor_state_lock);
231 return (DAT_ERROR(DAT_INTERNAL_ERROR, 0));
232 }
233 cur_pid = getpid();
234
235 fd = open(path_buf, O_RDWR);
236 if (fd < 0) {
237 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
238 "process_tavor: cannot open %s: %s\n",
239 path_buf, strerror(errno));
240 dapl_os_unlock(&g_tavor_state_lock);
241 return (DAT_ERROR(DAT_INSUFFICIENT_RESOURCES, 0));
242 }
243 #ifndef _LP64
244 /*
245 * libc can't handle fd's greater than 255, in order to
246 * ensure that these values remain available make fd > 255.
247 * Note: not needed for LP64
248 */
249 tmpfd = fcntl(fd, F_DUPFD, 256);
250 if (tmpfd < 0) {
251 dapl_dbg_log(DAPL_DBG_TYPE_UTIL,
252 "process_tavor: cannot F_DUPFD: %s\n", strerror(errno));
253 } else {
254 (void) close(fd);
255 fd = tmpfd;
256 }
257 #endif /* _LP64 */
258
259 if (fcntl(fd, F_SETFD, FD_CLOEXEC) < 0) {
260 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
261 "process_tavor: cannot F_SETFD: %s\n", strerror(errno));
262 (void) close(fd);
263 dapl_os_unlock(&g_tavor_state_lock);
264 return (DAT_ERROR(DAT_INTERNAL_ERROR, 0));
265 }
266
267 uarpg_offset = (((off64_t)cur_pid << MLNX_UMAP_RSRC_TYPE_SHIFT) |
268 MLNX_UMAP_UARPG_RSRC) * pagesize;
269
270 mapaddr = mmap64((void *)0, pagesize, PROT_READ | PROT_WRITE,
271 MAP_SHARED, fd, uarpg_offset);
272 if (mapaddr == MAP_FAILED) {
273 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
274 "process_tavor: mmap failed %s\n", strerror(errno));
275 (void) close(fd);
276 dapl_os_unlock(&g_tavor_state_lock);
277 return (DAT_ERROR(DAT_INSUFFICIENT_RESOURCES, 0));
278 }
279
280 g_tavor_state[idx].hca_fd = fd;
281 g_tavor_state[idx].uarpg_baseaddr = mapaddr;
282 g_tavor_state[idx].uarpg_size = pagesize;
283
284 if (try_blueflame == 0)
285 goto done;
286
287 /* Try to do the Hermon Blueflame page mapping */
288 uarpg_offset = (((off64_t)cur_pid << MLNX_UMAP_RSRC_TYPE_SHIFT) |
289 MLNX_UMAP_BLUEFLAMEPG_RSRC) * pagesize;
290
291 mapaddr = mmap64((void *)0, pagesize, PROT_READ | PROT_WRITE,
292 MAP_SHARED, fd, uarpg_offset);
293 if (mapaddr == MAP_FAILED) {
294 /* This is not considered to be fatal. Charge on! */
295 dapl_dbg_log(DAPL_DBG_TYPE_WARN,
296 "process_tavor: mmap of blueflame page failed %s\n",
297 strerror(errno));
298 } else {
299 g_tavor_state[idx].bf_pg_baseaddr = mapaddr;
300 g_tavor_state[idx].bf_toggle = 0;
301 }
302 done:
303 dapl_os_unlock(&g_tavor_state_lock);
304
305 *hca_idx = idx;
306
307 return (DAT_SUCCESS);
308 }
309
310 static DAT_RETURN
dapli_process_ia(dladm_ib_attr_t * ib_attr,DAPL_HCA * hca_ptr,int hca_idx)311 dapli_process_ia(dladm_ib_attr_t *ib_attr, DAPL_HCA *hca_ptr, int hca_idx)
312 {
313 struct lifreq lifreq;
314 int sfd, retval, af;
315 char addr_buf[64];
316
317 if (ib_attr->dia_hca_guid == 0 || ib_attr->dia_portnum == 0 ||
318 ib_attr->dia_pkey == 0) {
319 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
320 "process_ia: invalid properties: guid 0x%016llx, "
321 "port %d, pkey 0x%08x\n", ib_attr->dia_hca_guid,
322 ib_attr->dia_portnum, (uint_t)ib_attr->dia_pkey);
323 return (DAT_ERROR(DAT_INVALID_PARAMETER, 0));
324 }
325
326 /*
327 * if an interface has both v4 and v6 addresses plumbed,
328 * we'll take the v4 address.
329 */
330 af = AF_INET;
331 again:
332 sfd = socket(af, SOCK_DGRAM, 0);
333 if (sfd < 0) {
334 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
335 "process_ia: socket failed: %s\n", strerror(errno));
336 return (DAT_ERROR(DAT_INSUFFICIENT_RESOURCES, 0));
337 }
338
339 /* check if name will fit in lifr_name */
340 if (dapl_os_strlen(hca_ptr->name) >= LIFNAMSIZ) {
341 (void) close(sfd);
342 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
343 "process_ia: if name overflow %s\n",
344 hca_ptr->name);
345 return (DAT_ERROR(DAT_INVALID_PARAMETER, 0));
346 }
347
348 (void) dapl_os_strcpy(lifreq.lifr_name, hca_ptr->name);
349 retval = ioctl(sfd, SIOCGLIFADDR, (caddr_t)&lifreq);
350 if (retval < 0) {
351 (void) close(sfd);
352 if (af == AF_INET6) {
353 /*
354 * the interface is not plumbed.
355 */
356 dapl_dbg_log(DAPL_DBG_TYPE_UTIL,
357 "process_ia: %s: ip address not found\n",
358 lifreq.lifr_name);
359 return (DAT_ERROR(DAT_INSUFFICIENT_RESOURCES, 0));
360 } else {
361 /*
362 * we've failed to find a v4 address. now
363 * let's try v6.
364 */
365 af = AF_INET6;
366 goto again;
367 }
368 }
369 (void) close(sfd);
370
371 hca_ptr->tavor_idx = hca_idx;
372 hca_ptr->node_GUID = ib_attr->dia_hca_guid;
373 hca_ptr->port_num = ib_attr->dia_portnum;
374 hca_ptr->partition_key = ib_attr->dia_pkey;
375 (void) dapl_os_memcpy((void *)&hca_ptr->hca_address,
376 (void *)&lifreq.lifr_addr, sizeof (hca_ptr->hca_address));
377 hca_ptr->max_inline_send = dapls_tavor_max_inline();
378
379 dapl_dbg_log(DAPL_DBG_TYPE_UTIL,
380 "process_ia: interface %s, hca guid 0x%016llx, port %d, "
381 "pkey 0x%08x, ip addr %s\n", lifreq.lifr_name, hca_ptr->node_GUID,
382 hca_ptr->port_num, hca_ptr->partition_key, dapls_inet_ntop(
383 (struct sockaddr *)&hca_ptr->hca_address, addr_buf, 64));
384 return (DAT_SUCCESS);
385 }
386
387 void
dapls_ib_state_init(void)388 dapls_ib_state_init(void)
389 {
390 int i;
391
392 (void) dapl_os_lock_init(&g_tavor_state_lock);
393 (void) dapl_os_lock_init(&g_tavor_uar_lock);
394 (void) dapl_os_lock_init(&dapls_ib_dbp_lock);
395
396 for (i = 0; i < MAX_HCAS; i++) {
397 g_tavor_state[i].hca_fd = 0;
398 g_tavor_state[i].uarpg_baseaddr = NULL;
399 g_tavor_state[i].uarpg_size = 0;
400 g_tavor_state[i].bf_pg_baseaddr = NULL;
401 }
402 }
403
404 void
dapls_ib_state_fini(void)405 dapls_ib_state_fini(void)
406 {
407 int i, count = 0;
408
409 /*
410 * Uinitialize the per hca instance state
411 */
412 dapl_os_lock(&g_tavor_state_lock);
413 for (i = 0; i < MAX_HCAS; i++) {
414 if (g_tavor_state[i].uarpg_size == 0) {
415 dapl_os_assert(g_tavor_state[i].uarpg_baseaddr ==
416 NULL);
417 continue;
418 }
419 if (munmap(g_tavor_state[i].uarpg_baseaddr,
420 g_tavor_state[i].uarpg_size) < 0) {
421 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
422 "ib_state_fini: "
423 "munmap(0x%p, 0x%llx) failed(%d)\n",
424 g_tavor_state[i].uarpg_baseaddr,
425 g_tavor_state[i].uarpg_size, errno);
426 }
427 if ((g_tavor_state[i].bf_pg_baseaddr != NULL) &&
428 (munmap(g_tavor_state[i].bf_pg_baseaddr,
429 g_tavor_state[i].uarpg_size) < 0)) {
430 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
431 "ib_state_fini: "
432 "munmap(0x%p, 0x%llx) of blueflame failed(%d)\n",
433 g_tavor_state[i].bf_pg_baseaddr,
434 g_tavor_state[i].uarpg_size, errno);
435 }
436
437 (void) close(g_tavor_state[i].hca_fd);
438 count++;
439 }
440 dapl_os_unlock(&g_tavor_state_lock);
441
442 dapl_os_lock_destroy(&g_tavor_uar_lock);
443 dapl_os_lock_destroy(&g_tavor_state_lock);
444 dapl_os_lock_destroy(&dapls_ib_dbp_lock);
445
446 dapl_dbg_log(DAPL_DBG_TYPE_UTIL,
447 "ib_state_fini: cleaned %d hcas\n", count);
448 }
449
450 /*
451 * dapls_ib_open_hca
452 *
453 * Open HCA
454 *
455 * Input:
456 * *hca_ptr pointer to hca device
457 * *ib_hca_handle_p pointer to provide HCA handle
458 *
459 * Output:
460 * none
461 *
462 * Return:
463 * DAT_SUCCESS
464 * DAT_INSUFFICIENT_RESOURCES
465 *
466 */
467 DAT_RETURN
dapls_ib_open_hca(IN DAPL_HCA * hca_ptr,OUT ib_hca_handle_t * ib_hca_handle_p)468 dapls_ib_open_hca(
469 IN DAPL_HCA *hca_ptr,
470 OUT ib_hca_handle_t *ib_hca_handle_p)
471 {
472 dapl_ia_create_t args;
473 DAT_RETURN dat_status;
474 struct dapls_ib_hca_handle *hca_p;
475 int fd;
476 #ifndef _LP64
477 int tmpfd;
478 #endif
479 int retval;
480 struct sockaddr *s;
481 struct sockaddr_in6 *v6addr;
482 struct sockaddr_in *v4addr;
483 dapl_ia_addr_t *sap;
484
485 dat_status = dapli_init_hca(hca_ptr);
486 if (dat_status != DAT_SUCCESS) {
487 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
488 "dapls_ib_open_hca: init_hca failed %d\n", dat_status);
489 return (dat_status);
490 }
491
492 fd = open(DEVDAPLT, O_RDONLY);
493 if (fd < 0) {
494 return (DAT_INSUFFICIENT_RESOURCES);
495 }
496
497 #ifndef _LP64
498 /*
499 * libc can't handle fd's greater than 255, in order to
500 * ensure that these values remain available make fd > 255.
501 * Note: not needed for LP64
502 */
503 tmpfd = fcntl(fd, F_DUPFD, 256);
504 if (tmpfd < 0) {
505 dapl_dbg_log(DAPL_DBG_TYPE_UTIL,
506 "dapls_ib_open_hca: cannot F_DUPFD: %s\n",
507 strerror(errno));
508 } else {
509 (void) close(fd);
510 fd = tmpfd;
511 }
512 #endif /* _LP64 */
513
514 if (fcntl(fd, F_SETFD, FD_CLOEXEC) < 0) {
515 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
516 "dapls_ib_open_hca: cannot F_SETFD: %s\n", strerror(errno));
517 (void) close(fd);
518 return (DAT_INTERNAL_ERROR);
519 }
520
521 hca_p = (struct dapls_ib_hca_handle *)dapl_os_alloc(
522 sizeof (struct dapls_ib_hca_handle));
523 if (hca_p == NULL) {
524 (void) close(fd);
525 return (DAT_INSUFFICIENT_RESOURCES);
526 }
527
528 args.ia_guid = hca_ptr->node_GUID;
529 args.ia_port = hca_ptr->port_num;
530 args.ia_pkey = hca_ptr->partition_key;
531 args.ia_version = DAPL_IF_VERSION;
532 (void) dapl_os_memzero((void *)args.ia_sadata, DAPL_ATS_NBYTES);
533
534 /* pass down local ip address to be stored in SA */
535 s = (struct sockaddr *)&hca_ptr->hca_address;
536 /* LINTED: E_BAD_PTR_CAST_ALIGN */
537 sap = (dapl_ia_addr_t *)args.ia_sadata;
538 switch (s->sa_family) {
539 case AF_INET:
540 /* LINTED: E_BAD_PTR_CAST_ALIGN */
541 v4addr = (struct sockaddr_in *)s;
542 sap->iad_v4 = v4addr->sin_addr;
543 break;
544 case AF_INET6:
545 /* LINTED: E_BAD_PTR_CAST_ALIGN */
546 v6addr = (struct sockaddr_in6 *)s;
547 sap->iad_v6 = v6addr->sin6_addr;
548 break;
549 default:
550 break; /* fall through */
551 }
552
553 retval = ioctl(fd, DAPL_IA_CREATE, &args);
554 if (retval != 0) {
555 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
556 "open_hca: ia_create failed, fd %d, "
557 "guid 0x%016llx, port %d, pkey 0x%x, version %d\n",
558 fd, args.ia_guid, args.ia_port, args.ia_pkey,
559 args.ia_version);
560
561 dapl_os_free(hca_p, sizeof (*hca_p));
562 (void) close(fd);
563 return (dapls_convert_error(errno, retval));
564 }
565
566 hca_p->ia_fd = fd;
567 hca_p->ia_rnum = args.ia_resnum;
568 hca_p->hca_fd = g_tavor_state[hca_ptr->tavor_idx].hca_fd;
569 hca_p->ia_uar = g_tavor_state[hca_ptr->tavor_idx].uarpg_baseaddr;
570 hca_p->ia_bf = g_tavor_state[hca_ptr->tavor_idx].bf_pg_baseaddr;
571 hca_p->ia_bf_toggle = &g_tavor_state[hca_ptr->tavor_idx].bf_toggle;
572 *ib_hca_handle_p = hca_p;
573 dapl_dbg_log(DAPL_DBG_TYPE_UTIL,
574 "open_hca: ia_created, hca_p 0x%p, fd %d, "
575 "rnum %d, guid 0x%016llx, port %d, pkey 0x%x\n",
576 hca_p, hca_p->ia_fd, hca_p->ia_rnum, hca_ptr->node_GUID,
577 hca_ptr->port_num, hca_ptr->partition_key);
578
579 return (DAT_SUCCESS);
580 }
581
582 /*
583 * dapls_ib_close_hca
584 *
585 * Open HCA
586 *
587 * Input:
588 * ib_hca_handle provide HCA handle
589 *
590 * Output:
591 * none
592 *
593 * Return:
594 * DAT_SUCCESS
595 * DAT_INSUFFICIENT_RESOURCES
596 *
597 */
598 DAT_RETURN
dapls_ib_close_hca(IN ib_hca_handle_t ib_hca_handle)599 dapls_ib_close_hca(
600 IN ib_hca_handle_t ib_hca_handle)
601 {
602 if (ib_hca_handle == NULL) {
603 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
604 "close_hca: ib_hca_handle == NULL\n");
605 return (DAT_SUCCESS);
606 }
607 dapl_dbg_log(DAPL_DBG_TYPE_UTIL,
608 "close_hca: closing hca 0x%p, fd %d, rnum %d\n",
609 ib_hca_handle, ib_hca_handle->ia_fd, ib_hca_handle->ia_rnum);
610
611 (void) close(ib_hca_handle->ia_fd);
612 dapl_os_free((void *)ib_hca_handle,
613 sizeof (struct dapls_ib_hca_handle));
614 return (DAT_SUCCESS);
615 }
616
617 #if defined(IBHOSTS_NAMING)
618 #define LINE_LEN 256
619 static int
dapli_process_fake_ibds(DAPL_HCA * hca_ptr,int hca_idx)620 dapli_process_fake_ibds(DAPL_HCA *hca_ptr, int hca_idx)
621 {
622 char line_buf[LINE_LEN];
623 char host_buf[LINE_LEN];
624 char localhost[LINE_LEN];
625 ib_guid_t prefix;
626 ib_guid_t guid;
627 FILE *fp;
628 int count = 0;
629 DAPL_HCA *hca_ptr;
630
631 fp = fopen("/etc/dapl/ibhosts", "r");
632 if (fp == NULL) {
633 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
634 "fake_ibds: ibhosts not found!\n");
635 return (0);
636 }
637 if (gethostname(localhost, LINE_LEN) != 0) {
638 dapl_dbg_log(DAPL_DBG_TYPE_ERR,
639 "fake_ibds: hostname not found!\n");
640 return (0);
641 }
642 while (!feof(fp)) {
643 (void) fgets(line_buf, LINE_LEN, fp);
644 sscanf(line_buf, "%s %llx %llx", host_buf, &prefix, &guid);
645 (void) sprintf(line_buf, "%s-ib%d", localhost, count + 1);
646 if (strncmp(line_buf, host_buf, strlen(line_buf)) == 0) {
647 guid &= 0xfffffffffffffff0;
648 hca_ptr->tavor_idx = hca_idx;
649 hca_ptr->node_GUID = guid;
650 hca_ptr->port_num = count + 1;
651 hca_ptr->partition_key = 0x0000ffff;
652 count++;
653 }
654 if (count >= 2) break;
655 }
656 (void) fclose(fp);
657 return (count);
658 }
659
660 #endif /* IBHOSTS_NAMING */
661