2 * Copyright (C) 2005 - 2010 ServerEngines
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation. The full GNU General
8 * Public License is included in this distribution in the file called COPYING.
10 * Written by: Jayamohan Kallickal (jayamohank@serverengines.com)
12 * Contact Information:
13 * linux-drivers@serverengines.com
16 * 209 N. Fair Oaks Ave
21 #include <scsi/libiscsi.h>
22 #include <scsi/scsi_transport_iscsi.h>
23 #include <scsi/scsi_transport.h>
24 #include <scsi/scsi_cmnd.h>
25 #include <scsi/scsi_device.h>
26 #include <scsi/scsi_host.h>
27 #include <scsi/scsi.h>
31 extern struct iscsi_transport beiscsi_iscsi_transport;
34 * beiscsi_session_create - creates a new iscsi session
35 * @cmds_max: max commands supported
36 * @qdepth: max queue depth supported
37 * @initial_cmdsn: initial iscsi CMDSN
39 struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep,
44 struct Scsi_Host *shost;
45 struct beiscsi_endpoint *beiscsi_ep;
46 struct iscsi_cls_session *cls_session;
47 struct beiscsi_hba *phba;
48 struct iscsi_session *sess;
49 struct beiscsi_session *beiscsi_sess;
50 struct beiscsi_io_task *io_task;
52 SE_DEBUG(DBG_LVL_8, "In beiscsi_session_create\n");
55 SE_DEBUG(DBG_LVL_1, "beiscsi_session_create: invalid ep\n");
58 beiscsi_ep = ep->dd_data;
59 phba = beiscsi_ep->phba;
61 if (cmds_max > beiscsi_ep->phba->params.wrbs_per_cxn) {
62 shost_printk(KERN_ERR, shost, "Cannot handle %d cmds."
63 "Max cmds per session supported is %d. Using %d. "
65 beiscsi_ep->phba->params.wrbs_per_cxn,
66 beiscsi_ep->phba->params.wrbs_per_cxn);
67 cmds_max = beiscsi_ep->phba->params.wrbs_per_cxn;
70 cls_session = iscsi_session_setup(&beiscsi_iscsi_transport,
72 sizeof(*beiscsi_sess),
74 initial_cmdsn, ISCSI_MAX_TARGET);
77 sess = cls_session->dd_data;
78 beiscsi_sess = sess->dd_data;
79 beiscsi_sess->bhs_pool = pci_pool_create("beiscsi_bhs_pool",
81 sizeof(struct be_cmd_bhs),
83 if (!beiscsi_sess->bhs_pool)
88 iscsi_session_teardown(cls_session);
93 * beiscsi_session_destroy - destroys iscsi session
94 * @cls_session: pointer to iscsi cls session
96 * Destroys iSCSI session instance and releases
97 * resources allocated for it.
99 void beiscsi_session_destroy(struct iscsi_cls_session *cls_session)
101 struct iscsi_session *sess = cls_session->dd_data;
102 struct beiscsi_session *beiscsi_sess = sess->dd_data;
104 SE_DEBUG(DBG_LVL_8, "In beiscsi_session_destroy\n");
105 pci_pool_destroy(beiscsi_sess->bhs_pool);
106 iscsi_session_teardown(cls_session);
110 * beiscsi_conn_create - create an instance of iscsi connection
111 * @cls_session: ptr to iscsi_cls_session
114 struct iscsi_cls_conn *
115 beiscsi_conn_create(struct iscsi_cls_session *cls_session, u32 cid)
117 struct beiscsi_hba *phba;
118 struct Scsi_Host *shost;
119 struct iscsi_cls_conn *cls_conn;
120 struct beiscsi_conn *beiscsi_conn;
121 struct iscsi_conn *conn;
122 struct iscsi_session *sess;
123 struct beiscsi_session *beiscsi_sess;
125 SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_create ,cid"
126 "from iscsi layer=%d\n", cid);
127 shost = iscsi_session_to_shost(cls_session);
128 phba = iscsi_host_priv(shost);
130 cls_conn = iscsi_conn_setup(cls_session, sizeof(*beiscsi_conn), cid);
134 conn = cls_conn->dd_data;
135 beiscsi_conn = conn->dd_data;
136 beiscsi_conn->ep = NULL;
137 beiscsi_conn->phba = phba;
138 beiscsi_conn->conn = conn;
139 sess = cls_session->dd_data;
140 beiscsi_sess = sess->dd_data;
141 beiscsi_conn->beiscsi_sess = beiscsi_sess;
146 * beiscsi_bindconn_cid - Bind the beiscsi_conn with phba connection table
147 * @beiscsi_conn: The pointer to beiscsi_conn structure
148 * @phba: The phba instance
149 * @cid: The cid to free
151 static int beiscsi_bindconn_cid(struct beiscsi_hba *phba,
152 struct beiscsi_conn *beiscsi_conn,
155 if (phba->conn_table[cid]) {
157 "Connection table already occupied. Detected clash\n");
160 SE_DEBUG(DBG_LVL_8, "phba->conn_table[%d]=%p(beiscsi_conn)\n",
162 phba->conn_table[cid] = beiscsi_conn;
168 * beiscsi_conn_bind - Binds iscsi session/connection with TCP connection
169 * @cls_session: pointer to iscsi cls session
170 * @cls_conn: pointer to iscsi cls conn
171 * @transport_fd: EP handle(64 bit)
173 * This function binds the TCP Conn with iSCSI Connection and Session.
175 int beiscsi_conn_bind(struct iscsi_cls_session *cls_session,
176 struct iscsi_cls_conn *cls_conn,
177 u64 transport_fd, int is_leading)
179 struct iscsi_conn *conn = cls_conn->dd_data;
180 struct beiscsi_conn *beiscsi_conn = conn->dd_data;
181 struct Scsi_Host *shost =
182 (struct Scsi_Host *)iscsi_session_to_shost(cls_session);
183 struct beiscsi_hba *phba = (struct beiscsi_hba *)iscsi_host_priv(shost);
184 struct beiscsi_endpoint *beiscsi_ep;
185 struct iscsi_endpoint *ep;
187 SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_bind\n");
188 ep = iscsi_lookup_endpoint(transport_fd);
192 beiscsi_ep = ep->dd_data;
194 if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
197 if (beiscsi_ep->phba != phba) {
199 "beiscsi_ep->hba=%p not equal to phba=%p\n",
200 beiscsi_ep->phba, phba);
204 beiscsi_conn->beiscsi_conn_cid = beiscsi_ep->ep_cid;
205 beiscsi_conn->ep = beiscsi_ep;
206 beiscsi_ep->conn = beiscsi_conn;
207 SE_DEBUG(DBG_LVL_8, "beiscsi_conn=%p conn=%p ep_cid=%d\n",
208 beiscsi_conn, conn, beiscsi_ep->ep_cid);
209 return beiscsi_bindconn_cid(phba, beiscsi_conn, beiscsi_ep->ep_cid);
213 * beiscsi_conn_get_param - get the iscsi parameter
214 * @cls_conn: pointer to iscsi cls conn
215 * @param: parameter type identifier
216 * @buf: buffer pointer
218 * returns iscsi parameter
220 int beiscsi_conn_get_param(struct iscsi_cls_conn *cls_conn,
221 enum iscsi_param param, char *buf)
223 struct beiscsi_endpoint *beiscsi_ep;
224 struct iscsi_conn *conn = cls_conn->dd_data;
225 struct beiscsi_conn *beiscsi_conn = conn->dd_data;
228 SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_get_param, param= %d\n", param);
229 beiscsi_ep = beiscsi_conn->ep;
232 "In beiscsi_conn_get_param , no beiscsi_ep\n");
237 case ISCSI_PARAM_CONN_PORT:
238 len = sprintf(buf, "%hu\n", beiscsi_ep->dst_tcpport);
240 case ISCSI_PARAM_CONN_ADDRESS:
241 if (beiscsi_ep->ip_type == BE2_IPV4)
242 len = sprintf(buf, "%pI4\n", &beiscsi_ep->dst_addr);
244 len = sprintf(buf, "%pI6\n", &beiscsi_ep->dst6_addr);
247 return iscsi_conn_get_param(cls_conn, param, buf);
252 int beiscsi_set_param(struct iscsi_cls_conn *cls_conn,
253 enum iscsi_param param, char *buf, int buflen)
255 struct iscsi_conn *conn = cls_conn->dd_data;
256 struct iscsi_session *session = conn->session;
259 SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_set_param, param= %d\n", param);
260 ret = iscsi_set_param(cls_conn, param, buf, buflen);
264 * If userspace tried to set the value to higher than we can
265 * support override here.
268 case ISCSI_PARAM_FIRST_BURST:
269 if (session->first_burst > 8192)
270 session->first_burst = 8192;
272 case ISCSI_PARAM_MAX_RECV_DLENGTH:
273 if (conn->max_recv_dlength > 65536)
274 conn->max_recv_dlength = 65536;
276 case ISCSI_PARAM_MAX_BURST:
277 if (session->max_burst > 262144)
278 session->max_burst = 262144;
280 case ISCSI_PARAM_MAX_XMIT_DLENGTH:
281 if ((conn->max_xmit_dlength > 65536) ||
282 (conn->max_xmit_dlength == 0))
283 conn->max_xmit_dlength = 65536;
292 * beiscsi_get_host_param - get the iscsi parameter
293 * @shost: pointer to scsi_host structure
294 * @param: parameter type identifier
295 * @buf: buffer pointer
297 * returns host parameter
299 int beiscsi_get_host_param(struct Scsi_Host *shost,
300 enum iscsi_host_param param, char *buf)
302 struct beiscsi_hba *phba = (struct beiscsi_hba *)iscsi_host_priv(shost);
306 SE_DEBUG(DBG_LVL_8, "In beiscsi_get_host_param, param= %d\n", param);
308 case ISCSI_HOST_PARAM_HWADDRESS:
309 status = beiscsi_get_macaddr(buf, phba);
311 SE_DEBUG(DBG_LVL_1, "beiscsi_get_macaddr Failed\n");
316 return iscsi_host_get_param(shost, param, buf);
321 int beiscsi_get_macaddr(char *buf, struct beiscsi_hba *phba)
323 struct be_cmd_resp_get_mac_addr *resp;
324 struct be_mcc_wrb *wrb;
325 unsigned int tag, wrb_num;
326 unsigned short status, extd_status;
327 struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
330 if (phba->read_mac_address)
331 return sysfs_format_mac(buf, phba->mac_address,
334 tag = be_cmd_get_mac_addr(phba);
336 SE_DEBUG(DBG_LVL_1, "be_cmd_get_mac_addr Failed\n");
339 wait_event_interruptible(phba->ctrl.mcc_wait[tag],
340 phba->ctrl.mcc_numtag[tag]);
342 wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
343 extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
344 status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
345 if (status || extd_status) {
346 SE_DEBUG(DBG_LVL_1, "Failed to get be_cmd_get_mac_addr"
347 " status = %d extd_status = %d\n",
348 status, extd_status);
349 free_mcc_tag(&phba->ctrl, tag);
352 wrb = queue_get_wrb(mccq, wrb_num);
353 free_mcc_tag(&phba->ctrl, tag);
354 resp = embedded_payload(wrb);
355 memcpy(phba->mac_address, resp->mac_address, ETH_ALEN);
356 rc = sysfs_format_mac(buf, phba->mac_address,
358 phba->read_mac_address = 1;
364 * beiscsi_conn_get_stats - get the iscsi stats
365 * @cls_conn: pointer to iscsi cls conn
366 * @stats: pointer to iscsi_stats structure
368 * returns iscsi stats
370 void beiscsi_conn_get_stats(struct iscsi_cls_conn *cls_conn,
371 struct iscsi_stats *stats)
373 struct iscsi_conn *conn = cls_conn->dd_data;
375 SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_get_stats\n");
376 stats->txdata_octets = conn->txdata_octets;
377 stats->rxdata_octets = conn->rxdata_octets;
378 stats->dataout_pdus = conn->dataout_pdus_cnt;
379 stats->scsirsp_pdus = conn->scsirsp_pdus_cnt;
380 stats->scsicmd_pdus = conn->scsicmd_pdus_cnt;
381 stats->datain_pdus = conn->datain_pdus_cnt;
382 stats->tmfrsp_pdus = conn->tmfrsp_pdus_cnt;
383 stats->tmfcmd_pdus = conn->tmfcmd_pdus_cnt;
384 stats->r2t_pdus = conn->r2t_pdus_cnt;
385 stats->digest_err = 0;
386 stats->timeout_err = 0;
387 stats->custom_length = 0;
388 strcpy(stats->custom[0].desc, "eh_abort_cnt");
389 stats->custom[0].value = conn->eh_abort_cnt;
393 * beiscsi_set_params_for_offld - get the parameters for offload
394 * @beiscsi_conn: pointer to beiscsi_conn
395 * @params: pointer to offload_params structure
397 static void beiscsi_set_params_for_offld(struct beiscsi_conn *beiscsi_conn,
398 struct beiscsi_offload_params *params)
400 struct iscsi_conn *conn = beiscsi_conn->conn;
401 struct iscsi_session *session = conn->session;
403 AMAP_SET_BITS(struct amap_beiscsi_offload_params, max_burst_length,
404 params, session->max_burst);
405 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
406 max_send_data_segment_length, params,
407 conn->max_xmit_dlength);
408 AMAP_SET_BITS(struct amap_beiscsi_offload_params, first_burst_length,
409 params, session->first_burst);
410 AMAP_SET_BITS(struct amap_beiscsi_offload_params, erl, params,
412 AMAP_SET_BITS(struct amap_beiscsi_offload_params, dde, params,
414 AMAP_SET_BITS(struct amap_beiscsi_offload_params, hde, params,
416 AMAP_SET_BITS(struct amap_beiscsi_offload_params, ir2t, params,
417 session->initial_r2t_en);
418 AMAP_SET_BITS(struct amap_beiscsi_offload_params, imd, params,
419 session->imm_data_en);
420 AMAP_SET_BITS(struct amap_beiscsi_offload_params, exp_statsn, params,
421 (conn->exp_statsn - 1));
425 * beiscsi_conn_start - offload of session to chip
426 * @cls_conn: pointer to beiscsi_conn
428 int beiscsi_conn_start(struct iscsi_cls_conn *cls_conn)
430 struct iscsi_conn *conn = cls_conn->dd_data;
431 struct beiscsi_conn *beiscsi_conn = conn->dd_data;
432 struct beiscsi_endpoint *beiscsi_ep;
433 struct beiscsi_offload_params params;
435 SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_start\n");
436 memset(¶ms, 0, sizeof(struct beiscsi_offload_params));
437 beiscsi_ep = beiscsi_conn->ep;
439 SE_DEBUG(DBG_LVL_1, "In beiscsi_conn_start , no beiscsi_ep\n");
441 beiscsi_conn->login_in_progress = 0;
442 beiscsi_set_params_for_offld(beiscsi_conn, ¶ms);
443 beiscsi_offload_connection(beiscsi_conn, ¶ms);
444 iscsi_conn_start(cls_conn);
449 * beiscsi_get_cid - Allocate a cid
450 * @phba: The phba instance
452 static int beiscsi_get_cid(struct beiscsi_hba *phba)
454 unsigned short cid = 0xFFFF;
456 if (!phba->avlbl_cids)
459 cid = phba->cid_array[phba->cid_alloc++];
460 if (phba->cid_alloc == phba->params.cxns_per_ctrl)
467 * beiscsi_put_cid - Free the cid
468 * @phba: The phba for which the cid is being freed
469 * @cid: The cid to free
471 static void beiscsi_put_cid(struct beiscsi_hba *phba, unsigned short cid)
474 phba->cid_array[phba->cid_free++] = cid;
475 if (phba->cid_free == phba->params.cxns_per_ctrl)
480 * beiscsi_free_ep - free endpoint
481 * @ep: pointer to iscsi endpoint structure
483 static void beiscsi_free_ep(struct beiscsi_endpoint *beiscsi_ep)
485 struct beiscsi_hba *phba = beiscsi_ep->phba;
487 beiscsi_put_cid(phba, beiscsi_ep->ep_cid);
488 beiscsi_ep->phba = NULL;
492 * beiscsi_open_conn - Ask FW to open a TCP connection
493 * @ep: endpoint to be used
494 * @src_addr: The source IP address
495 * @dst_addr: The Destination IP address
497 * Asks the FW to open a TCP connection
499 static int beiscsi_open_conn(struct iscsi_endpoint *ep,
500 struct sockaddr *src_addr,
501 struct sockaddr *dst_addr, int non_blocking)
503 struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
504 struct beiscsi_hba *phba = beiscsi_ep->phba;
505 struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
506 struct be_mcc_wrb *wrb;
507 struct tcp_connect_and_offload_out *ptcpcnct_out;
508 unsigned short status, extd_status;
509 struct be_dma_mem nonemb_cmd;
510 unsigned int tag, wrb_num;
513 SE_DEBUG(DBG_LVL_8, "In beiscsi_open_conn\n");
514 beiscsi_ep->ep_cid = beiscsi_get_cid(phba);
515 if (beiscsi_ep->ep_cid == 0xFFFF) {
516 SE_DEBUG(DBG_LVL_1, "No free cid available\n");
519 SE_DEBUG(DBG_LVL_8, "In beiscsi_open_conn, ep_cid=%d\n",
521 phba->ep_array[beiscsi_ep->ep_cid -
522 phba->fw_config.iscsi_cid_start] = ep;
523 if (beiscsi_ep->ep_cid > (phba->fw_config.iscsi_cid_start +
524 phba->params.cxns_per_ctrl * 2)) {
525 SE_DEBUG(DBG_LVL_1, "Failed in allocate iscsi cid\n");
526 beiscsi_put_cid(phba, beiscsi_ep->ep_cid);
530 beiscsi_ep->cid_vld = 0;
531 nonemb_cmd.va = pci_alloc_consistent(phba->ctrl.pdev,
532 sizeof(struct tcp_connect_and_offload_in),
534 if (nonemb_cmd.va == NULL) {
536 "Failed to allocate memory for mgmt_open_connection"
538 beiscsi_put_cid(phba, beiscsi_ep->ep_cid);
541 nonemb_cmd.size = sizeof(struct tcp_connect_and_offload_in);
542 memset(nonemb_cmd.va, 0, nonemb_cmd.size);
543 tag = mgmt_open_connection(phba, dst_addr, beiscsi_ep, &nonemb_cmd);
546 "mgmt_open_connection Failed for cid=%d\n",
548 beiscsi_put_cid(phba, beiscsi_ep->ep_cid);
549 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
550 nonemb_cmd.va, nonemb_cmd.dma);
553 wait_event_interruptible(phba->ctrl.mcc_wait[tag],
554 phba->ctrl.mcc_numtag[tag]);
556 wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
557 extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
558 status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
559 if (status || extd_status) {
560 SE_DEBUG(DBG_LVL_1, "mgmt_open_connection Failed"
561 " status = %d extd_status = %d\n",
562 status, extd_status);
563 beiscsi_put_cid(phba, beiscsi_ep->ep_cid);
564 free_mcc_tag(&phba->ctrl, tag);
565 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
566 nonemb_cmd.va, nonemb_cmd.dma);
569 wrb = queue_get_wrb(mccq, wrb_num);
570 free_mcc_tag(&phba->ctrl, tag);
572 ptcpcnct_out = embedded_payload(wrb);
573 beiscsi_ep = ep->dd_data;
574 beiscsi_ep->fw_handle = ptcpcnct_out->connection_handle;
575 beiscsi_ep->cid_vld = 1;
576 SE_DEBUG(DBG_LVL_8, "mgmt_open_connection Success\n");
578 beiscsi_put_cid(phba, beiscsi_ep->ep_cid);
579 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
580 nonemb_cmd.va, nonemb_cmd.dma);
584 beiscsi_free_ep(beiscsi_ep);
589 * beiscsi_ep_connect - Ask chip to create TCP Conn
590 * @scsi_host: Pointer to scsi_host structure
591 * @dst_addr: The IP address of Target
592 * @non_blocking: blocking or non-blocking call
594 * This routines first asks chip to create a connection and then allocates an EP
596 struct iscsi_endpoint *
597 beiscsi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
600 struct beiscsi_hba *phba;
601 struct beiscsi_endpoint *beiscsi_ep;
602 struct iscsi_endpoint *ep;
605 SE_DEBUG(DBG_LVL_8, "In beiscsi_ep_connect\n");
607 phba = iscsi_host_priv(shost);
610 SE_DEBUG(DBG_LVL_1, "shost is NULL\n");
614 if (phba->state != BE_ADAPTER_UP) {
616 SE_DEBUG(DBG_LVL_1, "The Adapter state is Not UP\n");
620 ep = iscsi_create_endpoint(sizeof(struct beiscsi_endpoint));
626 beiscsi_ep = ep->dd_data;
627 beiscsi_ep->phba = phba;
628 beiscsi_ep->openiscsi_ep = ep;
629 ret = beiscsi_open_conn(ep, NULL, dst_addr, non_blocking);
631 SE_DEBUG(DBG_LVL_1, "Failed in beiscsi_open_conn\n");
638 iscsi_destroy_endpoint(ep);
643 * beiscsi_ep_poll - Poll to see if connection is established
644 * @ep: endpoint to be used
645 * @timeout_ms: timeout specified in millisecs
647 * Poll to see if TCP connection established
649 int beiscsi_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
651 struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
653 SE_DEBUG(DBG_LVL_8, "In beiscsi_ep_poll\n");
654 if (beiscsi_ep->cid_vld == 1)
661 * beiscsi_close_conn - Upload the connection
662 * @ep: The iscsi endpoint
663 * @flag: The type of connection closure
665 static int beiscsi_close_conn(struct beiscsi_endpoint *beiscsi_ep, int flag)
669 struct beiscsi_hba *phba = beiscsi_ep->phba;
671 tag = mgmt_upload_connection(phba, beiscsi_ep->ep_cid, flag);
673 SE_DEBUG(DBG_LVL_8, "upload failed for cid 0x%x\n",
677 wait_event_interruptible(phba->ctrl.mcc_wait[tag],
678 phba->ctrl.mcc_numtag[tag]);
679 free_mcc_tag(&phba->ctrl, tag);
685 * beiscsi_unbind_conn_to_cid - Unbind the beiscsi_conn from phba conn table
686 * @phba: The phba instance
687 * @cid: The cid to free
689 static int beiscsi_unbind_conn_to_cid(struct beiscsi_hba *phba,
692 if (phba->conn_table[cid])
693 phba->conn_table[cid] = NULL;
695 SE_DEBUG(DBG_LVL_8, "Connection table Not occupied.\n");
702 * beiscsi_ep_disconnect - Tears down the TCP connection
703 * @ep: endpoint to be used
705 * Tears down the TCP connection
707 void beiscsi_ep_disconnect(struct iscsi_endpoint *ep)
709 struct beiscsi_conn *beiscsi_conn;
710 struct beiscsi_endpoint *beiscsi_ep;
711 struct beiscsi_hba *phba;
713 unsigned short savecfg_flag = CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH;
715 beiscsi_ep = ep->dd_data;
716 phba = beiscsi_ep->phba;
717 SE_DEBUG(DBG_LVL_8, "In beiscsi_ep_disconnect for ep_cid = %d\n",
720 if (!beiscsi_ep->conn) {
721 SE_DEBUG(DBG_LVL_8, "In beiscsi_ep_disconnect, no "
725 beiscsi_conn = beiscsi_ep->conn;
726 iscsi_suspend_queue(beiscsi_conn->conn);
728 SE_DEBUG(DBG_LVL_8, "In beiscsi_ep_disconnect ep_cid = %d\n",
731 tag = mgmt_invalidate_connection(phba, beiscsi_ep,
732 beiscsi_ep->ep_cid, 1,
736 "mgmt_invalidate_connection Failed for cid=%d\n",
739 wait_event_interruptible(phba->ctrl.mcc_wait[tag],
740 phba->ctrl.mcc_numtag[tag]);
741 free_mcc_tag(&phba->ctrl, tag);
744 beiscsi_close_conn(beiscsi_ep, CONNECTION_UPLOAD_GRACEFUL);
745 beiscsi_free_ep(beiscsi_ep);
746 beiscsi_unbind_conn_to_cid(phba, beiscsi_ep->ep_cid);
747 iscsi_destroy_endpoint(beiscsi_ep->openiscsi_ep);