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20#include <scsi/libiscsi.h>
21#include <scsi/scsi_transport_iscsi.h>
22#include <scsi/scsi_transport.h>
23#include <scsi/scsi_cmnd.h>
24#include <scsi/scsi_device.h>
25#include <scsi/scsi_host.h>
26#include <scsi/scsi_netlink.h>
27#include <net/netlink.h>
28#include <scsi/scsi.h>
29
30#include "be_iscsi.h"
31
32extern struct iscsi_transport beiscsi_iscsi_transport;
33
34
35
36
37
38
39
40struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep,
41 u16 cmds_max,
42 u16 qdepth,
43 u32 initial_cmdsn)
44{
45 struct Scsi_Host *shost;
46 struct beiscsi_endpoint *beiscsi_ep;
47 struct iscsi_cls_session *cls_session;
48 struct beiscsi_hba *phba;
49 struct iscsi_session *sess;
50 struct beiscsi_session *beiscsi_sess;
51 struct beiscsi_io_task *io_task;
52
53
54 if (!ep) {
55 pr_err("beiscsi_session_create: invalid ep\n");
56 return NULL;
57 }
58 beiscsi_ep = ep->dd_data;
59 phba = beiscsi_ep->phba;
60
61 if (!beiscsi_hba_is_online(phba)) {
62 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
63 "BS_%d : HBA in error 0x%lx\n", phba->state);
64 return NULL;
65 }
66
67 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
68 "BS_%d : In beiscsi_session_create\n");
69 if (cmds_max > beiscsi_ep->phba->params.wrbs_per_cxn) {
70 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
71 "BS_%d : Cannot handle %d cmds."
72 "Max cmds per session supported is %d. Using %d."
73 "\n", cmds_max,
74 beiscsi_ep->phba->params.wrbs_per_cxn,
75 beiscsi_ep->phba->params.wrbs_per_cxn);
76
77 cmds_max = beiscsi_ep->phba->params.wrbs_per_cxn;
78 }
79
80 shost = phba->shost;
81 cls_session = iscsi_session_setup(&beiscsi_iscsi_transport,
82 shost, cmds_max,
83 sizeof(*beiscsi_sess),
84 sizeof(*io_task),
85 initial_cmdsn, ISCSI_MAX_TARGET);
86 if (!cls_session)
87 return NULL;
88 sess = cls_session->dd_data;
89 beiscsi_sess = sess->dd_data;
90 beiscsi_sess->bhs_pool = pci_pool_create("beiscsi_bhs_pool",
91 phba->pcidev,
92 sizeof(struct be_cmd_bhs),
93 64, 0);
94 if (!beiscsi_sess->bhs_pool)
95 goto destroy_sess;
96
97 return cls_session;
98destroy_sess:
99 iscsi_session_teardown(cls_session);
100 return NULL;
101}
102
103
104
105
106
107
108
109
110void beiscsi_session_destroy(struct iscsi_cls_session *cls_session)
111{
112 struct iscsi_session *sess = cls_session->dd_data;
113 struct beiscsi_session *beiscsi_sess = sess->dd_data;
114
115 printk(KERN_INFO "In beiscsi_session_destroy\n");
116 pci_pool_destroy(beiscsi_sess->bhs_pool);
117 iscsi_session_teardown(cls_session);
118}
119
120
121
122
123
124void beiscsi_session_fail(struct iscsi_cls_session *cls_session)
125{
126 iscsi_session_failure(cls_session->dd_data, ISCSI_ERR_CONN_FAILED);
127}
128
129
130
131
132
133
134
135struct iscsi_cls_conn *
136beiscsi_conn_create(struct iscsi_cls_session *cls_session, u32 cid)
137{
138 struct beiscsi_hba *phba;
139 struct Scsi_Host *shost;
140 struct iscsi_cls_conn *cls_conn;
141 struct beiscsi_conn *beiscsi_conn;
142 struct iscsi_conn *conn;
143 struct iscsi_session *sess;
144 struct beiscsi_session *beiscsi_sess;
145
146 shost = iscsi_session_to_shost(cls_session);
147 phba = iscsi_host_priv(shost);
148
149 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
150 "BS_%d : In beiscsi_conn_create ,cid"
151 "from iscsi layer=%d\n", cid);
152
153 cls_conn = iscsi_conn_setup(cls_session, sizeof(*beiscsi_conn), cid);
154 if (!cls_conn)
155 return NULL;
156
157 conn = cls_conn->dd_data;
158 beiscsi_conn = conn->dd_data;
159 beiscsi_conn->ep = NULL;
160 beiscsi_conn->phba = phba;
161 beiscsi_conn->conn = conn;
162 sess = cls_session->dd_data;
163 beiscsi_sess = sess->dd_data;
164 beiscsi_conn->beiscsi_sess = beiscsi_sess;
165 return cls_conn;
166}
167
168
169
170
171
172
173
174static int beiscsi_bindconn_cid(struct beiscsi_hba *phba,
175 struct beiscsi_conn *beiscsi_conn,
176 unsigned int cid)
177{
178 uint16_t cri_index = BE_GET_CRI_FROM_CID(cid);
179
180 if (phba->conn_table[cri_index]) {
181 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
182 "BS_%d : Connection table already occupied. Detected clash\n");
183
184 return -EINVAL;
185 } else {
186 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
187 "BS_%d : phba->conn_table[%d]=%p(beiscsi_conn)\n",
188 cri_index, beiscsi_conn);
189
190 phba->conn_table[cri_index] = beiscsi_conn;
191 }
192 return 0;
193}
194
195
196
197
198
199
200
201
202
203int beiscsi_conn_bind(struct iscsi_cls_session *cls_session,
204 struct iscsi_cls_conn *cls_conn,
205 u64 transport_fd, int is_leading)
206{
207 struct iscsi_conn *conn = cls_conn->dd_data;
208 struct beiscsi_conn *beiscsi_conn = conn->dd_data;
209 struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
210 struct beiscsi_hba *phba = iscsi_host_priv(shost);
211 struct hwi_controller *phwi_ctrlr = phba->phwi_ctrlr;
212 struct hwi_wrb_context *pwrb_context;
213 struct beiscsi_endpoint *beiscsi_ep;
214 struct iscsi_endpoint *ep;
215
216 ep = iscsi_lookup_endpoint(transport_fd);
217 if (!ep)
218 return -EINVAL;
219
220 beiscsi_ep = ep->dd_data;
221
222 if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
223 return -EINVAL;
224
225 if (beiscsi_ep->phba != phba) {
226 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
227 "BS_%d : beiscsi_ep->hba=%p not equal to phba=%p\n",
228 beiscsi_ep->phba, phba);
229
230 return -EEXIST;
231 }
232
233 pwrb_context = &phwi_ctrlr->wrb_context[BE_GET_CRI_FROM_CID(
234 beiscsi_ep->ep_cid)];
235
236 beiscsi_conn->beiscsi_conn_cid = beiscsi_ep->ep_cid;
237 beiscsi_conn->ep = beiscsi_ep;
238 beiscsi_ep->conn = beiscsi_conn;
239 beiscsi_conn->doorbell_offset = pwrb_context->doorbell_offset;
240
241 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
242 "BS_%d : beiscsi_conn=%p conn=%p ep_cid=%d\n",
243 beiscsi_conn, conn, beiscsi_ep->ep_cid);
244
245 return beiscsi_bindconn_cid(phba, beiscsi_conn, beiscsi_ep->ep_cid);
246}
247
248static int beiscsi_iface_create_ipv4(struct beiscsi_hba *phba)
249{
250 if (phba->ipv4_iface)
251 return 0;
252
253 phba->ipv4_iface = iscsi_create_iface(phba->shost,
254 &beiscsi_iscsi_transport,
255 ISCSI_IFACE_TYPE_IPV4,
256 0, 0);
257 if (!phba->ipv4_iface) {
258 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
259 "BS_%d : Could not "
260 "create default IPv4 address.\n");
261 return -ENODEV;
262 }
263
264 return 0;
265}
266
267static int beiscsi_iface_create_ipv6(struct beiscsi_hba *phba)
268{
269 if (phba->ipv6_iface)
270 return 0;
271
272 phba->ipv6_iface = iscsi_create_iface(phba->shost,
273 &beiscsi_iscsi_transport,
274 ISCSI_IFACE_TYPE_IPV6,
275 0, 0);
276 if (!phba->ipv6_iface) {
277 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
278 "BS_%d : Could not "
279 "create default IPv6 address.\n");
280 return -ENODEV;
281 }
282
283 return 0;
284}
285
286void beiscsi_iface_create_default(struct beiscsi_hba *phba)
287{
288 struct be_cmd_get_if_info_resp *if_info;
289
290 if (!beiscsi_if_get_info(phba, BEISCSI_IP_TYPE_V4, &if_info)) {
291 beiscsi_iface_create_ipv4(phba);
292 kfree(if_info);
293 }
294
295 if (!beiscsi_if_get_info(phba, BEISCSI_IP_TYPE_V6, &if_info)) {
296 beiscsi_iface_create_ipv6(phba);
297 kfree(if_info);
298 }
299}
300
301void beiscsi_iface_destroy_default(struct beiscsi_hba *phba)
302{
303 if (phba->ipv6_iface) {
304 iscsi_destroy_iface(phba->ipv6_iface);
305 phba->ipv6_iface = NULL;
306 }
307 if (phba->ipv4_iface) {
308 iscsi_destroy_iface(phba->ipv4_iface);
309 phba->ipv4_iface = NULL;
310 }
311}
312
313
314
315
316
317
318
319
320
321
322
323
324
325static int
326beiscsi_iface_config_vlan(struct Scsi_Host *shost,
327 struct iscsi_iface_param_info *iface_param)
328{
329 struct beiscsi_hba *phba = iscsi_host_priv(shost);
330 int ret = -EPERM;
331
332 switch (iface_param->param) {
333 case ISCSI_NET_PARAM_VLAN_ENABLED:
334 ret = 0;
335 if (iface_param->value[0] != ISCSI_VLAN_ENABLE)
336 ret = beiscsi_if_set_vlan(phba, BEISCSI_VLAN_DISABLE);
337 break;
338 case ISCSI_NET_PARAM_VLAN_TAG:
339 ret = beiscsi_if_set_vlan(phba,
340 *((uint16_t *)iface_param->value));
341 break;
342 }
343 return ret;
344}
345
346
347static int
348beiscsi_iface_config_ipv4(struct Scsi_Host *shost,
349 struct iscsi_iface_param_info *info,
350 void *data, uint32_t dt_len)
351{
352 struct beiscsi_hba *phba = iscsi_host_priv(shost);
353 u8 *ip = NULL, *subnet = NULL, *gw;
354 struct nlattr *nla;
355 int ret = -EPERM;
356
357
358 switch (info->param) {
359 case ISCSI_NET_PARAM_IFACE_ENABLE:
360 if (info->value[0] == ISCSI_IFACE_ENABLE)
361 ret = beiscsi_iface_create_ipv4(phba);
362 else {
363 iscsi_destroy_iface(phba->ipv4_iface);
364 phba->ipv4_iface = NULL;
365 }
366 break;
367 case ISCSI_NET_PARAM_IPV4_GW:
368 gw = info->value;
369 ret = beiscsi_if_set_gw(phba, BEISCSI_IP_TYPE_V4, gw);
370 break;
371 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
372 if (info->value[0] == ISCSI_BOOTPROTO_DHCP)
373 ret = beiscsi_if_en_dhcp(phba, BEISCSI_IP_TYPE_V4);
374 else if (info->value[0] == ISCSI_BOOTPROTO_STATIC)
375
376 ret = beiscsi_if_en_static(phba, BEISCSI_IP_TYPE_V4,
377 NULL, NULL);
378 else
379 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
380 "BS_%d : Invalid BOOTPROTO: %d\n",
381 info->value[0]);
382 break;
383 case ISCSI_NET_PARAM_IPV4_ADDR:
384 ip = info->value;
385 nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_SUBNET);
386 if (nla) {
387 info = nla_data(nla);
388 subnet = info->value;
389 }
390 ret = beiscsi_if_en_static(phba, BEISCSI_IP_TYPE_V4,
391 ip, subnet);
392 break;
393 case ISCSI_NET_PARAM_IPV4_SUBNET:
394
395
396
397
398 subnet = info->value;
399 nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_ADDR);
400 if (nla) {
401 info = nla_data(nla);
402 ip = info->value;
403 }
404 ret = beiscsi_if_en_static(phba, BEISCSI_IP_TYPE_V4,
405 ip, subnet);
406 break;
407 }
408
409 return ret;
410}
411
412static int
413beiscsi_iface_config_ipv6(struct Scsi_Host *shost,
414 struct iscsi_iface_param_info *iface_param,
415 void *data, uint32_t dt_len)
416{
417 struct beiscsi_hba *phba = iscsi_host_priv(shost);
418 int ret = -EPERM;
419
420 switch (iface_param->param) {
421 case ISCSI_NET_PARAM_IFACE_ENABLE:
422 if (iface_param->value[0] == ISCSI_IFACE_ENABLE)
423 ret = beiscsi_iface_create_ipv6(phba);
424 else {
425 iscsi_destroy_iface(phba->ipv6_iface);
426 phba->ipv6_iface = NULL;
427 }
428 break;
429 case ISCSI_NET_PARAM_IPV6_ADDR:
430 ret = beiscsi_if_en_static(phba, BEISCSI_IP_TYPE_V6,
431 iface_param->value, NULL);
432 break;
433 }
434
435 return ret;
436}
437
438int beiscsi_iface_set_param(struct Scsi_Host *shost,
439 void *data, uint32_t dt_len)
440{
441 struct iscsi_iface_param_info *iface_param = NULL;
442 struct beiscsi_hba *phba = iscsi_host_priv(shost);
443 struct nlattr *attrib;
444 uint32_t rm_len = dt_len;
445 int ret;
446
447 if (!beiscsi_hba_is_online(phba)) {
448 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
449 "BS_%d : HBA in error 0x%lx\n", phba->state);
450 return -EBUSY;
451 }
452
453
454 ret = beiscsi_if_get_handle(phba);
455 if (ret) {
456 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
457 "BS_%d : Getting Interface Handle Failed\n");
458 return ret;
459 }
460
461 nla_for_each_attr(attrib, data, dt_len, rm_len) {
462 iface_param = nla_data(attrib);
463
464 if (iface_param->param_type != ISCSI_NET_PARAM)
465 continue;
466
467
468
469
470 if (iface_param->iface_num) {
471 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
472 "BS_%d : Invalid iface_num %d."
473 "Only iface_num 0 is supported.\n",
474 iface_param->iface_num);
475
476 return -EINVAL;
477 }
478
479 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
480 "BS_%d : %s.0 set param %d",
481 (iface_param->iface_type == ISCSI_IFACE_TYPE_IPV4) ?
482 "ipv4" : "ipv6", iface_param->param);
483
484 ret = -EPERM;
485 switch (iface_param->param) {
486 case ISCSI_NET_PARAM_VLAN_ENABLED:
487 case ISCSI_NET_PARAM_VLAN_TAG:
488 ret = beiscsi_iface_config_vlan(shost, iface_param);
489 break;
490 default:
491 switch (iface_param->iface_type) {
492 case ISCSI_IFACE_TYPE_IPV4:
493 ret = beiscsi_iface_config_ipv4(shost,
494 iface_param,
495 data, dt_len);
496 break;
497 case ISCSI_IFACE_TYPE_IPV6:
498 ret = beiscsi_iface_config_ipv6(shost,
499 iface_param,
500 data, dt_len);
501 break;
502 }
503 }
504
505 if (ret == -EPERM) {
506 __beiscsi_log(phba, KERN_ERR,
507 "BS_%d : %s.0 set param %d not permitted",
508 (iface_param->iface_type ==
509 ISCSI_IFACE_TYPE_IPV4) ? "ipv4" : "ipv6",
510 iface_param->param);
511 ret = 0;
512 }
513 if (ret)
514 break;
515 }
516
517 return ret;
518}
519
520static int __beiscsi_iface_get_param(struct beiscsi_hba *phba,
521 struct iscsi_iface *iface,
522 int param, char *buf)
523{
524 struct be_cmd_get_if_info_resp *if_info;
525 int len, ip_type = BEISCSI_IP_TYPE_V4;
526
527 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
528 ip_type = BEISCSI_IP_TYPE_V6;
529
530 len = beiscsi_if_get_info(phba, ip_type, &if_info);
531 if (len)
532 return len;
533
534 switch (param) {
535 case ISCSI_NET_PARAM_IPV4_ADDR:
536 len = sprintf(buf, "%pI4\n", if_info->ip_addr.addr);
537 break;
538 case ISCSI_NET_PARAM_IPV6_ADDR:
539 len = sprintf(buf, "%pI6\n", if_info->ip_addr.addr);
540 break;
541 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
542 if (!if_info->dhcp_state)
543 len = sprintf(buf, "static\n");
544 else
545 len = sprintf(buf, "dhcp\n");
546 break;
547 case ISCSI_NET_PARAM_IPV4_SUBNET:
548 len = sprintf(buf, "%pI4\n", if_info->ip_addr.subnet_mask);
549 break;
550 case ISCSI_NET_PARAM_VLAN_ENABLED:
551 len = sprintf(buf, "%s\n",
552 (if_info->vlan_priority == BEISCSI_VLAN_DISABLE) ?
553 "disable" : "enable");
554 break;
555 case ISCSI_NET_PARAM_VLAN_ID:
556 if (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
557 len = -EINVAL;
558 else
559 len = sprintf(buf, "%d\n",
560 (if_info->vlan_priority &
561 ISCSI_MAX_VLAN_ID));
562 break;
563 case ISCSI_NET_PARAM_VLAN_PRIORITY:
564 if (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
565 len = -EINVAL;
566 else
567 len = sprintf(buf, "%d\n",
568 ((if_info->vlan_priority >> 13) &
569 ISCSI_MAX_VLAN_PRIORITY));
570 break;
571 default:
572 WARN_ON(1);
573 }
574
575 kfree(if_info);
576 return len;
577}
578
579int beiscsi_iface_get_param(struct iscsi_iface *iface,
580 enum iscsi_param_type param_type,
581 int param, char *buf)
582{
583 struct Scsi_Host *shost = iscsi_iface_to_shost(iface);
584 struct beiscsi_hba *phba = iscsi_host_priv(shost);
585 struct be_cmd_get_def_gateway_resp gateway;
586 int len = -EPERM;
587
588 if (param_type != ISCSI_NET_PARAM)
589 return 0;
590 if (!beiscsi_hba_is_online(phba)) {
591 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
592 "BS_%d : HBA in error 0x%lx\n", phba->state);
593 return -EBUSY;
594 }
595
596 switch (param) {
597 case ISCSI_NET_PARAM_IPV4_ADDR:
598 case ISCSI_NET_PARAM_IPV4_SUBNET:
599 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
600 case ISCSI_NET_PARAM_IPV6_ADDR:
601 case ISCSI_NET_PARAM_VLAN_ENABLED:
602 case ISCSI_NET_PARAM_VLAN_ID:
603 case ISCSI_NET_PARAM_VLAN_PRIORITY:
604 len = __beiscsi_iface_get_param(phba, iface, param, buf);
605 break;
606 case ISCSI_NET_PARAM_IFACE_ENABLE:
607 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
608 len = sprintf(buf, "%s\n",
609 phba->ipv4_iface ? "enable" : "disable");
610 else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
611 len = sprintf(buf, "%s\n",
612 phba->ipv6_iface ? "enable" : "disable");
613 break;
614 case ISCSI_NET_PARAM_IPV4_GW:
615 memset(&gateway, 0, sizeof(gateway));
616 len = beiscsi_if_get_gw(phba, BEISCSI_IP_TYPE_V4, &gateway);
617 if (!len)
618 len = sprintf(buf, "%pI4\n", &gateway.ip_addr.addr);
619 break;
620 }
621
622 return len;
623}
624
625
626
627
628
629
630
631
632
633int beiscsi_ep_get_param(struct iscsi_endpoint *ep,
634 enum iscsi_param param, char *buf)
635{
636 struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
637 int len;
638
639 beiscsi_log(beiscsi_ep->phba, KERN_INFO,
640 BEISCSI_LOG_CONFIG,
641 "BS_%d : In beiscsi_ep_get_param,"
642 " param= %d\n", param);
643
644 switch (param) {
645 case ISCSI_PARAM_CONN_PORT:
646 len = sprintf(buf, "%hu\n", beiscsi_ep->dst_tcpport);
647 break;
648 case ISCSI_PARAM_CONN_ADDRESS:
649 if (beiscsi_ep->ip_type == BEISCSI_IP_TYPE_V4)
650 len = sprintf(buf, "%pI4\n", &beiscsi_ep->dst_addr);
651 else
652 len = sprintf(buf, "%pI6\n", &beiscsi_ep->dst6_addr);
653 break;
654 default:
655 len = -EPERM;
656 }
657 return len;
658}
659
660int beiscsi_set_param(struct iscsi_cls_conn *cls_conn,
661 enum iscsi_param param, char *buf, int buflen)
662{
663 struct iscsi_conn *conn = cls_conn->dd_data;
664 struct iscsi_session *session = conn->session;
665 struct beiscsi_hba *phba = NULL;
666 int ret;
667
668 phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
669 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
670 "BS_%d : In beiscsi_conn_set_param,"
671 " param= %d\n", param);
672
673 ret = iscsi_set_param(cls_conn, param, buf, buflen);
674 if (ret)
675 return ret;
676
677
678
679
680 switch (param) {
681 case ISCSI_PARAM_FIRST_BURST:
682 if (session->first_burst > 8192)
683 session->first_burst = 8192;
684 break;
685 case ISCSI_PARAM_MAX_RECV_DLENGTH:
686 if (conn->max_recv_dlength > 65536)
687 conn->max_recv_dlength = 65536;
688 break;
689 case ISCSI_PARAM_MAX_BURST:
690 if (session->max_burst > 262144)
691 session->max_burst = 262144;
692 break;
693 case ISCSI_PARAM_MAX_XMIT_DLENGTH:
694 if (conn->max_xmit_dlength > 65536)
695 conn->max_xmit_dlength = 65536;
696 default:
697 return 0;
698 }
699
700 return 0;
701}
702
703
704
705
706
707
708
709
710static int beiscsi_get_initname(char *buf, struct beiscsi_hba *phba)
711{
712 int rc;
713 unsigned int tag;
714 struct be_mcc_wrb *wrb;
715 struct be_cmd_hba_name *resp;
716
717 tag = be_cmd_get_initname(phba);
718 if (!tag) {
719 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
720 "BS_%d : Getting Initiator Name Failed\n");
721
722 return -EBUSY;
723 }
724
725 rc = beiscsi_mccq_compl_wait(phba, tag, &wrb, NULL);
726 if (rc) {
727 beiscsi_log(phba, KERN_ERR,
728 BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
729 "BS_%d : Initiator Name MBX Failed\n");
730 return rc;
731 }
732
733 resp = embedded_payload(wrb);
734 rc = sprintf(buf, "%s\n", resp->initiator_name);
735 return rc;
736}
737
738
739
740
741
742
743static void beiscsi_get_port_state(struct Scsi_Host *shost)
744{
745 struct beiscsi_hba *phba = iscsi_host_priv(shost);
746 struct iscsi_cls_host *ihost = shost->shost_data;
747
748 ihost->port_state = test_bit(BEISCSI_HBA_LINK_UP, &phba->state) ?
749 ISCSI_PORT_STATE_UP : ISCSI_PORT_STATE_DOWN;
750}
751
752
753
754
755
756
757static void beiscsi_get_port_speed(struct Scsi_Host *shost)
758{
759 struct beiscsi_hba *phba = iscsi_host_priv(shost);
760 struct iscsi_cls_host *ihost = shost->shost_data;
761
762 switch (phba->port_speed) {
763 case BE2ISCSI_LINK_SPEED_10MBPS:
764 ihost->port_speed = ISCSI_PORT_SPEED_10MBPS;
765 break;
766 case BE2ISCSI_LINK_SPEED_100MBPS:
767 ihost->port_speed = ISCSI_PORT_SPEED_100MBPS;
768 break;
769 case BE2ISCSI_LINK_SPEED_1GBPS:
770 ihost->port_speed = ISCSI_PORT_SPEED_1GBPS;
771 break;
772 case BE2ISCSI_LINK_SPEED_10GBPS:
773 ihost->port_speed = ISCSI_PORT_SPEED_10GBPS;
774 break;
775 case BE2ISCSI_LINK_SPEED_25GBPS:
776 ihost->port_speed = ISCSI_PORT_SPEED_25GBPS;
777 break;
778 case BE2ISCSI_LINK_SPEED_40GBPS:
779 ihost->port_speed = ISCSI_PORT_SPEED_40GBPS;
780 break;
781 default:
782 ihost->port_speed = ISCSI_PORT_SPEED_UNKNOWN;
783 }
784}
785
786
787
788
789
790
791
792
793
794int beiscsi_get_host_param(struct Scsi_Host *shost,
795 enum iscsi_host_param param, char *buf)
796{
797 struct beiscsi_hba *phba = iscsi_host_priv(shost);
798 int status = 0;
799
800 if (!beiscsi_hba_is_online(phba)) {
801 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
802 "BS_%d : HBA in error 0x%lx\n", phba->state);
803 return -EBUSY;
804 }
805 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
806 "BS_%d : In beiscsi_get_host_param, param = %d\n", param);
807
808 switch (param) {
809 case ISCSI_HOST_PARAM_HWADDRESS:
810 status = beiscsi_get_macaddr(buf, phba);
811 if (status < 0) {
812 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
813 "BS_%d : beiscsi_get_macaddr Failed\n");
814 return status;
815 }
816 break;
817 case ISCSI_HOST_PARAM_INITIATOR_NAME:
818 status = beiscsi_get_initname(buf, phba);
819 if (status < 0) {
820 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
821 "BS_%d : Retreiving Initiator Name Failed\n");
822 return status;
823 }
824 break;
825 case ISCSI_HOST_PARAM_PORT_STATE:
826 beiscsi_get_port_state(shost);
827 status = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));
828 break;
829 case ISCSI_HOST_PARAM_PORT_SPEED:
830 beiscsi_get_port_speed(shost);
831 status = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));
832 break;
833 default:
834 return iscsi_host_get_param(shost, param, buf);
835 }
836 return status;
837}
838
839int beiscsi_get_macaddr(char *buf, struct beiscsi_hba *phba)
840{
841 struct be_cmd_get_nic_conf_resp resp;
842 int rc;
843
844 if (phba->mac_addr_set)
845 return sysfs_format_mac(buf, phba->mac_address, ETH_ALEN);
846
847 memset(&resp, 0, sizeof(resp));
848 rc = mgmt_get_nic_conf(phba, &resp);
849 if (rc)
850 return rc;
851
852 phba->mac_addr_set = true;
853 memcpy(phba->mac_address, resp.mac_address, ETH_ALEN);
854 return sysfs_format_mac(buf, phba->mac_address, ETH_ALEN);
855}
856
857
858
859
860
861
862
863
864void beiscsi_conn_get_stats(struct iscsi_cls_conn *cls_conn,
865 struct iscsi_stats *stats)
866{
867 struct iscsi_conn *conn = cls_conn->dd_data;
868 struct beiscsi_hba *phba = NULL;
869
870 phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
871 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
872 "BS_%d : In beiscsi_conn_get_stats\n");
873
874 stats->txdata_octets = conn->txdata_octets;
875 stats->rxdata_octets = conn->rxdata_octets;
876 stats->dataout_pdus = conn->dataout_pdus_cnt;
877 stats->scsirsp_pdus = conn->scsirsp_pdus_cnt;
878 stats->scsicmd_pdus = conn->scsicmd_pdus_cnt;
879 stats->datain_pdus = conn->datain_pdus_cnt;
880 stats->tmfrsp_pdus = conn->tmfrsp_pdus_cnt;
881 stats->tmfcmd_pdus = conn->tmfcmd_pdus_cnt;
882 stats->r2t_pdus = conn->r2t_pdus_cnt;
883 stats->digest_err = 0;
884 stats->timeout_err = 0;
885 stats->custom_length = 1;
886 strcpy(stats->custom[0].desc, "eh_abort_cnt");
887 stats->custom[0].value = conn->eh_abort_cnt;
888}
889
890
891
892
893
894
895static void beiscsi_set_params_for_offld(struct beiscsi_conn *beiscsi_conn,
896 struct beiscsi_offload_params *params)
897{
898 struct iscsi_conn *conn = beiscsi_conn->conn;
899 struct iscsi_session *session = conn->session;
900
901 AMAP_SET_BITS(struct amap_beiscsi_offload_params, max_burst_length,
902 params, session->max_burst);
903 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
904 max_send_data_segment_length, params,
905 conn->max_xmit_dlength);
906 AMAP_SET_BITS(struct amap_beiscsi_offload_params, first_burst_length,
907 params, session->first_burst);
908 AMAP_SET_BITS(struct amap_beiscsi_offload_params, erl, params,
909 session->erl);
910 AMAP_SET_BITS(struct amap_beiscsi_offload_params, dde, params,
911 conn->datadgst_en);
912 AMAP_SET_BITS(struct amap_beiscsi_offload_params, hde, params,
913 conn->hdrdgst_en);
914 AMAP_SET_BITS(struct amap_beiscsi_offload_params, ir2t, params,
915 session->initial_r2t_en);
916 AMAP_SET_BITS(struct amap_beiscsi_offload_params, imd, params,
917 session->imm_data_en);
918 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
919 data_seq_inorder, params,
920 session->dataseq_inorder_en);
921 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
922 pdu_seq_inorder, params,
923 session->pdu_inorder_en);
924 AMAP_SET_BITS(struct amap_beiscsi_offload_params, max_r2t, params,
925 session->max_r2t);
926 AMAP_SET_BITS(struct amap_beiscsi_offload_params, exp_statsn, params,
927 (conn->exp_statsn - 1));
928 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
929 max_recv_data_segment_length, params,
930 conn->max_recv_dlength);
931
932}
933
934
935
936
937
938int beiscsi_conn_start(struct iscsi_cls_conn *cls_conn)
939{
940 struct iscsi_conn *conn = cls_conn->dd_data;
941 struct beiscsi_conn *beiscsi_conn = conn->dd_data;
942 struct beiscsi_endpoint *beiscsi_ep;
943 struct beiscsi_offload_params params;
944 struct beiscsi_hba *phba;
945
946 phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
947
948 if (!beiscsi_hba_is_online(phba)) {
949 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
950 "BS_%d : HBA in error 0x%lx\n", phba->state);
951 return -EBUSY;
952 }
953 beiscsi_log(beiscsi_conn->phba, KERN_INFO, BEISCSI_LOG_CONFIG,
954 "BS_%d : In beiscsi_conn_start\n");
955
956 memset(¶ms, 0, sizeof(struct beiscsi_offload_params));
957 beiscsi_ep = beiscsi_conn->ep;
958 if (!beiscsi_ep)
959 beiscsi_log(beiscsi_conn->phba, KERN_ERR,
960 BEISCSI_LOG_CONFIG,
961 "BS_%d : In beiscsi_conn_start , no beiscsi_ep\n");
962
963 beiscsi_conn->login_in_progress = 0;
964 beiscsi_set_params_for_offld(beiscsi_conn, ¶ms);
965 beiscsi_offload_connection(beiscsi_conn, ¶ms);
966 iscsi_conn_start(cls_conn);
967 return 0;
968}
969
970
971
972
973
974static int beiscsi_get_cid(struct beiscsi_hba *phba)
975{
976 unsigned short cid = 0xFFFF, cid_from_ulp;
977 struct ulp_cid_info *cid_info = NULL;
978 uint16_t cid_avlbl_ulp0, cid_avlbl_ulp1;
979
980
981 cid_avlbl_ulp0 = (phba->cid_array_info[BEISCSI_ULP0]) ?
982 BEISCSI_ULP0_AVLBL_CID(phba) : 0;
983 cid_avlbl_ulp1 = (phba->cid_array_info[BEISCSI_ULP1]) ?
984 BEISCSI_ULP1_AVLBL_CID(phba) : 0;
985 cid_from_ulp = (cid_avlbl_ulp0 > cid_avlbl_ulp1) ?
986 BEISCSI_ULP0 : BEISCSI_ULP1;
987
988 if (test_bit(cid_from_ulp, (void *)&phba->fw_config.ulp_supported)) {
989 cid_info = phba->cid_array_info[cid_from_ulp];
990 if (!cid_info->avlbl_cids)
991 return cid;
992
993 cid = cid_info->cid_array[cid_info->cid_alloc++];
994
995 if (cid_info->cid_alloc == BEISCSI_GET_CID_COUNT(
996 phba, cid_from_ulp))
997 cid_info->cid_alloc = 0;
998
999 cid_info->avlbl_cids--;
1000 }
1001 return cid;
1002}
1003
1004
1005
1006
1007
1008
1009static void beiscsi_put_cid(struct beiscsi_hba *phba, unsigned short cid)
1010{
1011 uint16_t cid_post_ulp;
1012 struct hwi_controller *phwi_ctrlr;
1013 struct hwi_wrb_context *pwrb_context;
1014 struct ulp_cid_info *cid_info = NULL;
1015 uint16_t cri_index = BE_GET_CRI_FROM_CID(cid);
1016
1017 phwi_ctrlr = phba->phwi_ctrlr;
1018 pwrb_context = &phwi_ctrlr->wrb_context[cri_index];
1019 cid_post_ulp = pwrb_context->ulp_num;
1020
1021 cid_info = phba->cid_array_info[cid_post_ulp];
1022 cid_info->avlbl_cids++;
1023
1024 cid_info->cid_array[cid_info->cid_free++] = cid;
1025 if (cid_info->cid_free == BEISCSI_GET_CID_COUNT(phba, cid_post_ulp))
1026 cid_info->cid_free = 0;
1027}
1028
1029
1030
1031
1032
1033static void beiscsi_free_ep(struct beiscsi_endpoint *beiscsi_ep)
1034{
1035 struct beiscsi_hba *phba = beiscsi_ep->phba;
1036 struct beiscsi_conn *beiscsi_conn;
1037
1038 beiscsi_put_cid(phba, beiscsi_ep->ep_cid);
1039 beiscsi_ep->phba = NULL;
1040 phba->ep_array[BE_GET_CRI_FROM_CID
1041 (beiscsi_ep->ep_cid)] = NULL;
1042
1043
1044
1045
1046
1047
1048 if (!beiscsi_ep->conn)
1049 return;
1050
1051 beiscsi_conn = beiscsi_ep->conn;
1052 if (beiscsi_conn->login_in_progress) {
1053 beiscsi_free_mgmt_task_handles(beiscsi_conn,
1054 beiscsi_conn->task);
1055 beiscsi_conn->login_in_progress = 0;
1056 }
1057}
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067static int beiscsi_open_conn(struct iscsi_endpoint *ep,
1068 struct sockaddr *src_addr,
1069 struct sockaddr *dst_addr, int non_blocking)
1070{
1071 struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
1072 struct beiscsi_hba *phba = beiscsi_ep->phba;
1073 struct tcp_connect_and_offload_out *ptcpcnct_out;
1074 struct be_dma_mem nonemb_cmd;
1075 unsigned int tag, req_memsize;
1076 int ret = -ENOMEM;
1077
1078 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1079 "BS_%d : In beiscsi_open_conn\n");
1080
1081 beiscsi_ep->ep_cid = beiscsi_get_cid(phba);
1082 if (beiscsi_ep->ep_cid == 0xFFFF) {
1083 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1084 "BS_%d : No free cid available\n");
1085 return ret;
1086 }
1087
1088 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1089 "BS_%d : In beiscsi_open_conn, ep_cid=%d\n",
1090 beiscsi_ep->ep_cid);
1091
1092 phba->ep_array[BE_GET_CRI_FROM_CID
1093 (beiscsi_ep->ep_cid)] = ep;
1094
1095 beiscsi_ep->cid_vld = 0;
1096
1097 if (is_chip_be2_be3r(phba))
1098 req_memsize = sizeof(struct tcp_connect_and_offload_in);
1099 else
1100 req_memsize = sizeof(struct tcp_connect_and_offload_in_v1);
1101
1102 nonemb_cmd.va = pci_alloc_consistent(phba->ctrl.pdev,
1103 req_memsize,
1104 &nonemb_cmd.dma);
1105 if (nonemb_cmd.va == NULL) {
1106
1107 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1108 "BS_%d : Failed to allocate memory for"
1109 " mgmt_open_connection\n");
1110
1111 beiscsi_free_ep(beiscsi_ep);
1112 return -ENOMEM;
1113 }
1114 nonemb_cmd.size = req_memsize;
1115 memset(nonemb_cmd.va, 0, nonemb_cmd.size);
1116 tag = mgmt_open_connection(phba, dst_addr, beiscsi_ep, &nonemb_cmd);
1117 if (tag <= 0) {
1118 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1119 "BS_%d : mgmt_open_connection Failed for cid=%d\n",
1120 beiscsi_ep->ep_cid);
1121
1122 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
1123 nonemb_cmd.va, nonemb_cmd.dma);
1124 beiscsi_free_ep(beiscsi_ep);
1125 return -EAGAIN;
1126 }
1127
1128 ret = beiscsi_mccq_compl_wait(phba, tag, NULL, &nonemb_cmd);
1129 if (ret) {
1130 beiscsi_log(phba, KERN_ERR,
1131 BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
1132 "BS_%d : mgmt_open_connection Failed");
1133
1134 if (ret != -EBUSY)
1135 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
1136 nonemb_cmd.va, nonemb_cmd.dma);
1137
1138 beiscsi_free_ep(beiscsi_ep);
1139 return ret;
1140 }
1141
1142 ptcpcnct_out = (struct tcp_connect_and_offload_out *)nonemb_cmd.va;
1143 beiscsi_ep = ep->dd_data;
1144 beiscsi_ep->fw_handle = ptcpcnct_out->connection_handle;
1145 beiscsi_ep->cid_vld = 1;
1146 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1147 "BS_%d : mgmt_open_connection Success\n");
1148
1149 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
1150 nonemb_cmd.va, nonemb_cmd.dma);
1151 return 0;
1152}
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162struct iscsi_endpoint *
1163beiscsi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
1164 int non_blocking)
1165{
1166 struct beiscsi_hba *phba;
1167 struct beiscsi_endpoint *beiscsi_ep;
1168 struct iscsi_endpoint *ep;
1169 int ret;
1170
1171 if (!shost) {
1172 ret = -ENXIO;
1173 pr_err("beiscsi_ep_connect shost is NULL\n");
1174 return ERR_PTR(ret);
1175 }
1176
1177 phba = iscsi_host_priv(shost);
1178 if (!beiscsi_hba_is_online(phba)) {
1179 ret = -EIO;
1180 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1181 "BS_%d : HBA in error 0x%lx\n", phba->state);
1182 return ERR_PTR(ret);
1183 }
1184 if (!test_bit(BEISCSI_HBA_LINK_UP, &phba->state)) {
1185 ret = -EBUSY;
1186 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
1187 "BS_%d : The Adapter Port state is Down!!!\n");
1188 return ERR_PTR(ret);
1189 }
1190
1191 ep = iscsi_create_endpoint(sizeof(struct beiscsi_endpoint));
1192 if (!ep) {
1193 ret = -ENOMEM;
1194 return ERR_PTR(ret);
1195 }
1196
1197 beiscsi_ep = ep->dd_data;
1198 beiscsi_ep->phba = phba;
1199 beiscsi_ep->openiscsi_ep = ep;
1200 ret = beiscsi_open_conn(ep, NULL, dst_addr, non_blocking);
1201 if (ret) {
1202 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1203 "BS_%d : Failed in beiscsi_open_conn\n");
1204 goto free_ep;
1205 }
1206
1207 return ep;
1208
1209free_ep:
1210 iscsi_destroy_endpoint(ep);
1211 return ERR_PTR(ret);
1212}
1213
1214
1215
1216
1217
1218
1219
1220
1221int beiscsi_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
1222{
1223 struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
1224
1225 beiscsi_log(beiscsi_ep->phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1226 "BS_%d : In beiscsi_ep_poll\n");
1227
1228 if (beiscsi_ep->cid_vld == 1)
1229 return 1;
1230 else
1231 return 0;
1232}
1233
1234
1235
1236
1237
1238
1239
1240
1241static void beiscsi_flush_cq(struct beiscsi_hba *phba)
1242{
1243 uint16_t i;
1244 struct be_eq_obj *pbe_eq;
1245 struct hwi_controller *phwi_ctrlr;
1246 struct hwi_context_memory *phwi_context;
1247
1248 phwi_ctrlr = phba->phwi_ctrlr;
1249 phwi_context = phwi_ctrlr->phwi_ctxt;
1250
1251 for (i = 0; i < phba->num_cpus; i++) {
1252 pbe_eq = &phwi_context->be_eq[i];
1253 irq_poll_disable(&pbe_eq->iopoll);
1254 beiscsi_process_cq(pbe_eq, BE2_MAX_NUM_CQ_PROC);
1255 irq_poll_enable(&pbe_eq->iopoll);
1256 }
1257}
1258
1259
1260
1261
1262
1263
1264static int beiscsi_close_conn(struct beiscsi_endpoint *beiscsi_ep, int flag)
1265{
1266 int ret = 0;
1267 unsigned int tag;
1268 struct beiscsi_hba *phba = beiscsi_ep->phba;
1269
1270 tag = mgmt_upload_connection(phba, beiscsi_ep->ep_cid, flag);
1271 if (!tag) {
1272 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1273 "BS_%d : upload failed for cid 0x%x\n",
1274 beiscsi_ep->ep_cid);
1275
1276 ret = -EAGAIN;
1277 }
1278
1279 ret = beiscsi_mccq_compl_wait(phba, tag, NULL, NULL);
1280
1281
1282 beiscsi_flush_cq(phba);
1283
1284 return ret;
1285}
1286
1287
1288
1289
1290
1291
1292static int beiscsi_unbind_conn_to_cid(struct beiscsi_hba *phba,
1293 unsigned int cid)
1294{
1295 uint16_t cri_index = BE_GET_CRI_FROM_CID(cid);
1296
1297 if (phba->conn_table[cri_index])
1298 phba->conn_table[cri_index] = NULL;
1299 else {
1300 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1301 "BS_%d : Connection table Not occupied.\n");
1302 return -EINVAL;
1303 }
1304 return 0;
1305}
1306
1307
1308
1309
1310
1311
1312
1313void beiscsi_ep_disconnect(struct iscsi_endpoint *ep)
1314{
1315 struct beiscsi_conn *beiscsi_conn;
1316 struct beiscsi_endpoint *beiscsi_ep;
1317 struct beiscsi_hba *phba;
1318 unsigned int tag;
1319 uint8_t mgmt_invalidate_flag, tcp_upload_flag;
1320 unsigned short savecfg_flag = CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH;
1321
1322 beiscsi_ep = ep->dd_data;
1323 phba = beiscsi_ep->phba;
1324 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1325 "BS_%d : In beiscsi_ep_disconnect for ep_cid = %d\n",
1326 beiscsi_ep->ep_cid);
1327
1328 if (beiscsi_ep->conn) {
1329 beiscsi_conn = beiscsi_ep->conn;
1330 iscsi_suspend_queue(beiscsi_conn->conn);
1331 mgmt_invalidate_flag = ~BEISCSI_NO_RST_ISSUE;
1332 tcp_upload_flag = CONNECTION_UPLOAD_GRACEFUL;
1333 } else {
1334 mgmt_invalidate_flag = BEISCSI_NO_RST_ISSUE;
1335 tcp_upload_flag = CONNECTION_UPLOAD_ABORT;
1336 }
1337
1338 if (!beiscsi_hba_is_online(phba)) {
1339 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1340 "BS_%d : HBA in error 0x%lx\n", phba->state);
1341 goto free_ep;
1342 }
1343
1344 tag = mgmt_invalidate_connection(phba, beiscsi_ep,
1345 beiscsi_ep->ep_cid,
1346 mgmt_invalidate_flag,
1347 savecfg_flag);
1348 if (!tag) {
1349 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1350 "BS_%d : mgmt_invalidate_connection Failed for cid=%d\n",
1351 beiscsi_ep->ep_cid);
1352 }
1353
1354 beiscsi_mccq_compl_wait(phba, tag, NULL, NULL);
1355 beiscsi_close_conn(beiscsi_ep, tcp_upload_flag);
1356free_ep:
1357 msleep(BEISCSI_LOGOUT_SYNC_DELAY);
1358 beiscsi_free_ep(beiscsi_ep);
1359 beiscsi_unbind_conn_to_cid(phba, beiscsi_ep->ep_cid);
1360 iscsi_destroy_endpoint(beiscsi_ep->openiscsi_ep);
1361}
1362
1363umode_t beiscsi_attr_is_visible(int param_type, int param)
1364{
1365 switch (param_type) {
1366 case ISCSI_NET_PARAM:
1367 switch (param) {
1368 case ISCSI_NET_PARAM_IFACE_ENABLE:
1369 case ISCSI_NET_PARAM_IPV4_ADDR:
1370 case ISCSI_NET_PARAM_IPV4_SUBNET:
1371 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
1372 case ISCSI_NET_PARAM_IPV4_GW:
1373 case ISCSI_NET_PARAM_IPV6_ADDR:
1374 case ISCSI_NET_PARAM_VLAN_ID:
1375 case ISCSI_NET_PARAM_VLAN_PRIORITY:
1376 case ISCSI_NET_PARAM_VLAN_ENABLED:
1377 return S_IRUGO;
1378 default:
1379 return 0;
1380 }
1381 case ISCSI_HOST_PARAM:
1382 switch (param) {
1383 case ISCSI_HOST_PARAM_HWADDRESS:
1384 case ISCSI_HOST_PARAM_INITIATOR_NAME:
1385 case ISCSI_HOST_PARAM_PORT_STATE:
1386 case ISCSI_HOST_PARAM_PORT_SPEED:
1387 return S_IRUGO;
1388 default:
1389 return 0;
1390 }
1391 case ISCSI_PARAM:
1392 switch (param) {
1393 case ISCSI_PARAM_MAX_RECV_DLENGTH:
1394 case ISCSI_PARAM_MAX_XMIT_DLENGTH:
1395 case ISCSI_PARAM_HDRDGST_EN:
1396 case ISCSI_PARAM_DATADGST_EN:
1397 case ISCSI_PARAM_CONN_ADDRESS:
1398 case ISCSI_PARAM_CONN_PORT:
1399 case ISCSI_PARAM_EXP_STATSN:
1400 case ISCSI_PARAM_PERSISTENT_ADDRESS:
1401 case ISCSI_PARAM_PERSISTENT_PORT:
1402 case ISCSI_PARAM_PING_TMO:
1403 case ISCSI_PARAM_RECV_TMO:
1404 case ISCSI_PARAM_INITIAL_R2T_EN:
1405 case ISCSI_PARAM_MAX_R2T:
1406 case ISCSI_PARAM_IMM_DATA_EN:
1407 case ISCSI_PARAM_FIRST_BURST:
1408 case ISCSI_PARAM_MAX_BURST:
1409 case ISCSI_PARAM_PDU_INORDER_EN:
1410 case ISCSI_PARAM_DATASEQ_INORDER_EN:
1411 case ISCSI_PARAM_ERL:
1412 case ISCSI_PARAM_TARGET_NAME:
1413 case ISCSI_PARAM_TPGT:
1414 case ISCSI_PARAM_USERNAME:
1415 case ISCSI_PARAM_PASSWORD:
1416 case ISCSI_PARAM_USERNAME_IN:
1417 case ISCSI_PARAM_PASSWORD_IN:
1418 case ISCSI_PARAM_FAST_ABORT:
1419 case ISCSI_PARAM_ABORT_TMO:
1420 case ISCSI_PARAM_LU_RESET_TMO:
1421 case ISCSI_PARAM_IFACE_NAME:
1422 case ISCSI_PARAM_INITIATOR_NAME:
1423 return S_IRUGO;
1424 default:
1425 return 0;
1426 }
1427 }
1428
1429 return 0;
1430}
1431
