2 * Copyright (C) 2005 - 2013 Emulex
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 (jayamohan.kallickal@emulex.com)
12 * Contact Information:
13 * linux-drivers@emulex.com
17 * Costa Mesa, CA 92626
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>
32 extern struct iscsi_transport beiscsi_iscsi_transport;
35 * beiscsi_session_create - creates a new iscsi session
36 * @cmds_max: max commands supported
37 * @qdepth: max queue depth supported
38 * @initial_cmdsn: initial iscsi CMDSN
40 struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep,
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;
56 "beiscsi_session_create: invalid ep\n");
59 beiscsi_ep = ep->dd_data;
60 phba = beiscsi_ep->phba;
62 if (phba->state & BE_ADAPTER_PCI_ERR) {
63 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
64 "BS_%d : PCI_ERROR Recovery\n");
67 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
68 "BS_%d : In beiscsi_session_create\n");
71 if (cmds_max > beiscsi_ep->phba->params.wrbs_per_cxn) {
72 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
73 "BS_%d : Cannot handle %d cmds."
74 "Max cmds per session supported is %d. Using %d."
76 beiscsi_ep->phba->params.wrbs_per_cxn,
77 beiscsi_ep->phba->params.wrbs_per_cxn);
79 cmds_max = beiscsi_ep->phba->params.wrbs_per_cxn;
83 cls_session = iscsi_session_setup(&beiscsi_iscsi_transport,
85 sizeof(*beiscsi_sess),
87 initial_cmdsn, ISCSI_MAX_TARGET);
90 sess = cls_session->dd_data;
91 beiscsi_sess = sess->dd_data;
92 beiscsi_sess->bhs_pool = pci_pool_create("beiscsi_bhs_pool",
94 sizeof(struct be_cmd_bhs),
96 if (!beiscsi_sess->bhs_pool)
101 iscsi_session_teardown(cls_session);
106 * beiscsi_session_destroy - destroys iscsi session
107 * @cls_session: pointer to iscsi cls session
109 * Destroys iSCSI session instance and releases
110 * resources allocated for it.
112 void beiscsi_session_destroy(struct iscsi_cls_session *cls_session)
114 struct iscsi_session *sess = cls_session->dd_data;
115 struct beiscsi_session *beiscsi_sess = sess->dd_data;
117 printk(KERN_INFO "In beiscsi_session_destroy\n");
118 pci_pool_destroy(beiscsi_sess->bhs_pool);
119 iscsi_session_teardown(cls_session);
123 * beiscsi_conn_create - create an instance of iscsi connection
124 * @cls_session: ptr to iscsi_cls_session
127 struct iscsi_cls_conn *
128 beiscsi_conn_create(struct iscsi_cls_session *cls_session, u32 cid)
130 struct beiscsi_hba *phba;
131 struct Scsi_Host *shost;
132 struct iscsi_cls_conn *cls_conn;
133 struct beiscsi_conn *beiscsi_conn;
134 struct iscsi_conn *conn;
135 struct iscsi_session *sess;
136 struct beiscsi_session *beiscsi_sess;
138 shost = iscsi_session_to_shost(cls_session);
139 phba = iscsi_host_priv(shost);
141 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
142 "BS_%d : In beiscsi_conn_create ,cid"
143 "from iscsi layer=%d\n", cid);
145 cls_conn = iscsi_conn_setup(cls_session, sizeof(*beiscsi_conn), cid);
149 conn = cls_conn->dd_data;
150 beiscsi_conn = conn->dd_data;
151 beiscsi_conn->ep = NULL;
152 beiscsi_conn->phba = phba;
153 beiscsi_conn->conn = conn;
154 sess = cls_session->dd_data;
155 beiscsi_sess = sess->dd_data;
156 beiscsi_conn->beiscsi_sess = beiscsi_sess;
161 * beiscsi_bindconn_cid - Bind the beiscsi_conn with phba connection table
162 * @beiscsi_conn: The pointer to beiscsi_conn structure
163 * @phba: The phba instance
164 * @cid: The cid to free
166 static int beiscsi_bindconn_cid(struct beiscsi_hba *phba,
167 struct beiscsi_conn *beiscsi_conn,
170 uint16_t cri_index = BE_GET_CRI_FROM_CID(cid);
172 if (phba->conn_table[cri_index]) {
173 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
174 "BS_%d : Connection table already occupied. Detected clash\n");
178 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
179 "BS_%d : phba->conn_table[%d]=%p(beiscsi_conn)\n",
180 cri_index, beiscsi_conn);
182 phba->conn_table[cri_index] = beiscsi_conn;
188 * beiscsi_conn_bind - Binds iscsi session/connection with TCP connection
189 * @cls_session: pointer to iscsi cls session
190 * @cls_conn: pointer to iscsi cls conn
191 * @transport_fd: EP handle(64 bit)
193 * This function binds the TCP Conn with iSCSI Connection and Session.
195 int beiscsi_conn_bind(struct iscsi_cls_session *cls_session,
196 struct iscsi_cls_conn *cls_conn,
197 u64 transport_fd, int is_leading)
199 struct iscsi_conn *conn = cls_conn->dd_data;
200 struct beiscsi_conn *beiscsi_conn = conn->dd_data;
201 struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
202 struct beiscsi_hba *phba = iscsi_host_priv(shost);
203 struct hwi_controller *phwi_ctrlr = phba->phwi_ctrlr;
204 struct hwi_wrb_context *pwrb_context;
205 struct beiscsi_endpoint *beiscsi_ep;
206 struct iscsi_endpoint *ep;
208 ep = iscsi_lookup_endpoint(transport_fd);
212 beiscsi_ep = ep->dd_data;
214 if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
217 if (beiscsi_ep->phba != phba) {
218 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
219 "BS_%d : beiscsi_ep->hba=%p not equal to phba=%p\n",
220 beiscsi_ep->phba, phba);
225 pwrb_context = &phwi_ctrlr->wrb_context[BE_GET_CRI_FROM_CID(
226 beiscsi_ep->ep_cid)];
228 beiscsi_conn->beiscsi_conn_cid = beiscsi_ep->ep_cid;
229 beiscsi_conn->ep = beiscsi_ep;
230 beiscsi_ep->conn = beiscsi_conn;
231 beiscsi_conn->doorbell_offset = pwrb_context->doorbell_offset;
233 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
234 "BS_%d : beiscsi_conn=%p conn=%p ep_cid=%d\n",
235 beiscsi_conn, conn, beiscsi_ep->ep_cid);
237 return beiscsi_bindconn_cid(phba, beiscsi_conn, beiscsi_ep->ep_cid);
240 static int beiscsi_create_ipv4_iface(struct beiscsi_hba *phba)
242 if (phba->ipv4_iface)
245 phba->ipv4_iface = iscsi_create_iface(phba->shost,
246 &beiscsi_iscsi_transport,
247 ISCSI_IFACE_TYPE_IPV4,
249 if (!phba->ipv4_iface) {
250 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
252 "create default IPv4 address.\n");
259 static int beiscsi_create_ipv6_iface(struct beiscsi_hba *phba)
261 if (phba->ipv6_iface)
264 phba->ipv6_iface = iscsi_create_iface(phba->shost,
265 &beiscsi_iscsi_transport,
266 ISCSI_IFACE_TYPE_IPV6,
268 if (!phba->ipv6_iface) {
269 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
271 "create default IPv6 address.\n");
278 void beiscsi_create_def_ifaces(struct beiscsi_hba *phba)
280 struct be_cmd_get_if_info_resp *if_info;
282 if (!mgmt_get_if_info(phba, BE2_IPV4, &if_info)) {
283 beiscsi_create_ipv4_iface(phba);
287 if (!mgmt_get_if_info(phba, BE2_IPV6, &if_info)) {
288 beiscsi_create_ipv6_iface(phba);
293 void beiscsi_destroy_def_ifaces(struct beiscsi_hba *phba)
295 if (phba->ipv6_iface)
296 iscsi_destroy_iface(phba->ipv6_iface);
297 if (phba->ipv4_iface)
298 iscsi_destroy_iface(phba->ipv4_iface);
302 beiscsi_set_static_ip(struct Scsi_Host *shost,
303 struct iscsi_iface_param_info *iface_param,
304 void *data, uint32_t dt_len)
306 struct beiscsi_hba *phba = iscsi_host_priv(shost);
307 struct iscsi_iface_param_info *iface_ip = NULL;
308 struct iscsi_iface_param_info *iface_subnet = NULL;
313 switch (iface_param->param) {
314 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
315 nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_ADDR);
317 iface_ip = nla_data(nla);
319 nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_SUBNET);
321 iface_subnet = nla_data(nla);
323 case ISCSI_NET_PARAM_IPV4_ADDR:
324 iface_ip = iface_param;
325 nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_SUBNET);
327 iface_subnet = nla_data(nla);
329 case ISCSI_NET_PARAM_IPV4_SUBNET:
330 iface_subnet = iface_param;
331 nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_ADDR);
333 iface_ip = nla_data(nla);
336 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
337 "BS_%d : Unsupported param %d\n",
341 if (!iface_ip || !iface_subnet) {
342 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
343 "BS_%d : IP and Subnet Mask required\n");
347 ret = mgmt_set_ip(phba, iface_ip, iface_subnet,
348 ISCSI_BOOTPROTO_STATIC);
354 * beiscsi_set_vlan_tag()- Set the VLAN TAG
355 * @shost: Scsi Host for the driver instance
356 * @iface_param: Interface paramters
358 * Set the VLAN TAG for the adapter or disable
363 * Failure: Non-Zero Value
366 beiscsi_set_vlan_tag(struct Scsi_Host *shost,
367 struct iscsi_iface_param_info *iface_param)
369 struct beiscsi_hba *phba = iscsi_host_priv(shost);
372 /* Get the Interface Handle */
373 if (mgmt_get_all_if_id(phba)) {
374 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
375 "BS_%d : Getting Interface Handle Failed\n");
379 switch (iface_param->param) {
380 case ISCSI_NET_PARAM_VLAN_ENABLED:
381 if (iface_param->value[0] != ISCSI_VLAN_ENABLE)
382 ret = mgmt_set_vlan(phba, BEISCSI_VLAN_DISABLE);
384 case ISCSI_NET_PARAM_VLAN_TAG:
385 ret = mgmt_set_vlan(phba,
386 *((uint16_t *)iface_param->value));
389 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
390 "BS_%d : Unknown Param Type : %d\n",
399 beiscsi_set_ipv4(struct Scsi_Host *shost,
400 struct iscsi_iface_param_info *iface_param,
401 void *data, uint32_t dt_len)
403 struct beiscsi_hba *phba = iscsi_host_priv(shost);
406 /* Check the param */
407 switch (iface_param->param) {
408 case ISCSI_NET_PARAM_IPV4_GW:
409 ret = mgmt_set_gateway(phba, iface_param);
411 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
412 if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP)
413 ret = mgmt_set_ip(phba, iface_param,
414 NULL, ISCSI_BOOTPROTO_DHCP);
415 else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC)
416 ret = beiscsi_set_static_ip(shost, iface_param,
419 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
420 "BS_%d : Invalid BOOTPROTO: %d\n",
421 iface_param->value[0]);
423 case ISCSI_NET_PARAM_IFACE_ENABLE:
424 if (iface_param->value[0] == ISCSI_IFACE_ENABLE)
425 ret = beiscsi_create_ipv4_iface(phba);
427 iscsi_destroy_iface(phba->ipv4_iface);
429 case ISCSI_NET_PARAM_IPV4_SUBNET:
430 case ISCSI_NET_PARAM_IPV4_ADDR:
431 ret = beiscsi_set_static_ip(shost, iface_param,
434 case ISCSI_NET_PARAM_VLAN_ENABLED:
435 case ISCSI_NET_PARAM_VLAN_TAG:
436 ret = beiscsi_set_vlan_tag(shost, iface_param);
439 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
440 "BS_%d : Param %d not supported\n",
448 beiscsi_set_ipv6(struct Scsi_Host *shost,
449 struct iscsi_iface_param_info *iface_param,
450 void *data, uint32_t dt_len)
452 struct beiscsi_hba *phba = iscsi_host_priv(shost);
455 switch (iface_param->param) {
456 case ISCSI_NET_PARAM_IFACE_ENABLE:
457 if (iface_param->value[0] == ISCSI_IFACE_ENABLE)
458 ret = beiscsi_create_ipv6_iface(phba);
460 iscsi_destroy_iface(phba->ipv6_iface);
464 case ISCSI_NET_PARAM_IPV6_ADDR:
465 ret = mgmt_set_ip(phba, iface_param, NULL,
466 ISCSI_BOOTPROTO_STATIC);
469 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
470 "BS_%d : Param %d not supported\n",
477 int be2iscsi_iface_set_param(struct Scsi_Host *shost,
478 void *data, uint32_t dt_len)
480 struct iscsi_iface_param_info *iface_param = NULL;
481 struct beiscsi_hba *phba = iscsi_host_priv(shost);
482 struct nlattr *attrib;
483 uint32_t rm_len = dt_len;
486 if (phba->state & BE_ADAPTER_PCI_ERR) {
487 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
488 "BS_%d : In PCI_ERROR Recovery\n");
492 nla_for_each_attr(attrib, data, dt_len, rm_len) {
493 iface_param = nla_data(attrib);
495 if (iface_param->param_type != ISCSI_NET_PARAM)
499 * BE2ISCSI only supports 1 interface
501 if (iface_param->iface_num) {
502 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
503 "BS_%d : Invalid iface_num %d."
504 "Only iface_num 0 is supported.\n",
505 iface_param->iface_num);
510 switch (iface_param->iface_type) {
511 case ISCSI_IFACE_TYPE_IPV4:
512 ret = beiscsi_set_ipv4(shost, iface_param,
515 case ISCSI_IFACE_TYPE_IPV6:
516 ret = beiscsi_set_ipv6(shost, iface_param,
520 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
521 "BS_%d : Invalid iface type :%d passed\n",
522 iface_param->iface_type);
533 static int be2iscsi_get_if_param(struct beiscsi_hba *phba,
534 struct iscsi_iface *iface, int param,
537 struct be_cmd_get_if_info_resp *if_info;
538 int len, ip_type = BE2_IPV4;
540 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
543 len = mgmt_get_if_info(phba, ip_type, &if_info);
548 case ISCSI_NET_PARAM_IPV4_ADDR:
549 len = sprintf(buf, "%pI4\n", if_info->ip_addr.addr);
551 case ISCSI_NET_PARAM_IPV6_ADDR:
552 len = sprintf(buf, "%pI6\n", if_info->ip_addr.addr);
554 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
555 if (!if_info->dhcp_state)
556 len = sprintf(buf, "static\n");
558 len = sprintf(buf, "dhcp\n");
560 case ISCSI_NET_PARAM_IPV4_SUBNET:
561 len = sprintf(buf, "%pI4\n", if_info->ip_addr.subnet_mask);
563 case ISCSI_NET_PARAM_VLAN_ENABLED:
564 len = sprintf(buf, "%s\n",
565 (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
566 ? "Disabled\n" : "Enabled\n");
568 case ISCSI_NET_PARAM_VLAN_ID:
569 if (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
572 len = sprintf(buf, "%d\n",
573 (if_info->vlan_priority &
576 case ISCSI_NET_PARAM_VLAN_PRIORITY:
577 if (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
580 len = sprintf(buf, "%d\n",
581 ((if_info->vlan_priority >> 13) &
582 ISCSI_MAX_VLAN_PRIORITY));
592 int be2iscsi_iface_get_param(struct iscsi_iface *iface,
593 enum iscsi_param_type param_type,
594 int param, char *buf)
596 struct Scsi_Host *shost = iscsi_iface_to_shost(iface);
597 struct beiscsi_hba *phba = iscsi_host_priv(shost);
598 struct be_cmd_get_def_gateway_resp gateway;
601 if (phba->state & BE_ADAPTER_PCI_ERR) {
602 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
603 "BS_%d : In PCI_ERROR Recovery\n");
608 case ISCSI_NET_PARAM_IPV4_ADDR:
609 case ISCSI_NET_PARAM_IPV4_SUBNET:
610 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
611 case ISCSI_NET_PARAM_IPV6_ADDR:
612 case ISCSI_NET_PARAM_VLAN_ENABLED:
613 case ISCSI_NET_PARAM_VLAN_ID:
614 case ISCSI_NET_PARAM_VLAN_PRIORITY:
615 len = be2iscsi_get_if_param(phba, iface, param, buf);
617 case ISCSI_NET_PARAM_IFACE_ENABLE:
618 len = sprintf(buf, "enabled\n");
620 case ISCSI_NET_PARAM_IPV4_GW:
621 memset(&gateway, 0, sizeof(gateway));
622 len = mgmt_get_gateway(phba, BE2_IPV4, &gateway);
624 len = sprintf(buf, "%pI4\n", &gateway.ip_addr.addr);
634 * beiscsi_ep_get_param - get the iscsi parameter
635 * @ep: pointer to iscsi ep
636 * @param: parameter type identifier
637 * @buf: buffer pointer
639 * returns iscsi parameter
641 int beiscsi_ep_get_param(struct iscsi_endpoint *ep,
642 enum iscsi_param param, char *buf)
644 struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
647 beiscsi_log(beiscsi_ep->phba, KERN_INFO,
649 "BS_%d : In beiscsi_ep_get_param,"
650 " param= %d\n", param);
653 case ISCSI_PARAM_CONN_PORT:
654 len = sprintf(buf, "%hu\n", beiscsi_ep->dst_tcpport);
656 case ISCSI_PARAM_CONN_ADDRESS:
657 if (beiscsi_ep->ip_type == BE2_IPV4)
658 len = sprintf(buf, "%pI4\n", &beiscsi_ep->dst_addr);
660 len = sprintf(buf, "%pI6\n", &beiscsi_ep->dst6_addr);
668 int beiscsi_set_param(struct iscsi_cls_conn *cls_conn,
669 enum iscsi_param param, char *buf, int buflen)
671 struct iscsi_conn *conn = cls_conn->dd_data;
672 struct iscsi_session *session = conn->session;
673 struct beiscsi_hba *phba = NULL;
676 phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
677 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
678 "BS_%d : In beiscsi_conn_set_param,"
679 " param= %d\n", param);
681 ret = iscsi_set_param(cls_conn, param, buf, buflen);
685 * If userspace tried to set the value to higher than we can
686 * support override here.
689 case ISCSI_PARAM_FIRST_BURST:
690 if (session->first_burst > 8192)
691 session->first_burst = 8192;
693 case ISCSI_PARAM_MAX_RECV_DLENGTH:
694 if (conn->max_recv_dlength > 65536)
695 conn->max_recv_dlength = 65536;
697 case ISCSI_PARAM_MAX_BURST:
698 if (session->max_burst > 262144)
699 session->max_burst = 262144;
701 case ISCSI_PARAM_MAX_XMIT_DLENGTH:
702 if (conn->max_xmit_dlength > 65536)
703 conn->max_xmit_dlength = 65536;
712 * beiscsi_get_initname - Read Initiator Name from flash
713 * @buf: buffer bointer
714 * @phba: The device priv structure instance
716 * returns number of bytes
718 static int beiscsi_get_initname(char *buf, struct beiscsi_hba *phba)
722 struct be_mcc_wrb *wrb;
723 struct be_cmd_hba_name *resp;
725 tag = be_cmd_get_initname(phba);
727 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
728 "BS_%d : Getting Initiator Name Failed\n");
733 rc = beiscsi_mccq_compl(phba, tag, &wrb, NULL);
735 beiscsi_log(phba, KERN_ERR,
736 BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
737 "BS_%d : Initiator Name MBX Failed\n");
741 resp = embedded_payload(wrb);
742 rc = sprintf(buf, "%s\n", resp->initiator_name);
747 * beiscsi_get_port_state - Get the Port State
748 * @shost : pointer to scsi_host structure
751 static void beiscsi_get_port_state(struct Scsi_Host *shost)
753 struct beiscsi_hba *phba = iscsi_host_priv(shost);
754 struct iscsi_cls_host *ihost = shost->shost_data;
756 ihost->port_state = (phba->state == BE_ADAPTER_LINK_UP) ?
757 ISCSI_PORT_STATE_UP : ISCSI_PORT_STATE_DOWN;
761 * beiscsi_get_port_speed - Get the Port Speed from Adapter
762 * @shost : pointer to scsi_host structure
764 * returns Success/Failure
766 static int beiscsi_get_port_speed(struct Scsi_Host *shost)
770 struct be_mcc_wrb *wrb;
771 struct be_cmd_ntwk_link_status_resp *resp;
772 struct beiscsi_hba *phba = iscsi_host_priv(shost);
773 struct iscsi_cls_host *ihost = shost->shost_data;
775 tag = be_cmd_get_port_speed(phba);
777 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
778 "BS_%d : Getting Port Speed Failed\n");
782 rc = beiscsi_mccq_compl(phba, tag, &wrb, NULL);
784 beiscsi_log(phba, KERN_ERR,
785 BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
786 "BS_%d : Port Speed MBX Failed\n");
789 resp = embedded_payload(wrb);
791 switch (resp->mac_speed) {
792 case BE2ISCSI_LINK_SPEED_10MBPS:
793 ihost->port_speed = ISCSI_PORT_SPEED_10MBPS;
795 case BE2ISCSI_LINK_SPEED_100MBPS:
796 ihost->port_speed = BE2ISCSI_LINK_SPEED_100MBPS;
798 case BE2ISCSI_LINK_SPEED_1GBPS:
799 ihost->port_speed = ISCSI_PORT_SPEED_1GBPS;
801 case BE2ISCSI_LINK_SPEED_10GBPS:
802 ihost->port_speed = ISCSI_PORT_SPEED_10GBPS;
805 ihost->port_speed = ISCSI_PORT_SPEED_UNKNOWN;
811 * beiscsi_get_host_param - get the iscsi parameter
812 * @shost: pointer to scsi_host structure
813 * @param: parameter type identifier
814 * @buf: buffer pointer
816 * returns host parameter
818 int beiscsi_get_host_param(struct Scsi_Host *shost,
819 enum iscsi_host_param param, char *buf)
821 struct beiscsi_hba *phba = iscsi_host_priv(shost);
825 if (phba->state & BE_ADAPTER_PCI_ERR) {
826 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
827 "BS_%d : In PCI_ERROR Recovery\n");
830 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
831 "BS_%d : In beiscsi_get_host_param,"
832 " param = %d\n", param);
836 case ISCSI_HOST_PARAM_HWADDRESS:
837 status = beiscsi_get_macaddr(buf, phba);
839 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
840 "BS_%d : beiscsi_get_macaddr Failed\n");
844 case ISCSI_HOST_PARAM_INITIATOR_NAME:
845 status = beiscsi_get_initname(buf, phba);
847 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
848 "BS_%d : Retreiving Initiator Name Failed\n");
852 case ISCSI_HOST_PARAM_PORT_STATE:
853 beiscsi_get_port_state(shost);
854 status = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));
856 case ISCSI_HOST_PARAM_PORT_SPEED:
857 status = beiscsi_get_port_speed(shost);
859 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
860 "BS_%d : Retreiving Port Speed Failed\n");
863 status = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));
866 return iscsi_host_get_param(shost, param, buf);
871 int beiscsi_get_macaddr(char *buf, struct beiscsi_hba *phba)
873 struct be_cmd_get_nic_conf_resp resp;
876 if (phba->mac_addr_set)
877 return sysfs_format_mac(buf, phba->mac_address, ETH_ALEN);
879 memset(&resp, 0, sizeof(resp));
880 rc = mgmt_get_nic_conf(phba, &resp);
884 phba->mac_addr_set = true;
885 memcpy(phba->mac_address, resp.mac_address, ETH_ALEN);
886 return sysfs_format_mac(buf, phba->mac_address, ETH_ALEN);
890 * beiscsi_conn_get_stats - get the iscsi stats
891 * @cls_conn: pointer to iscsi cls conn
892 * @stats: pointer to iscsi_stats structure
894 * returns iscsi stats
896 void beiscsi_conn_get_stats(struct iscsi_cls_conn *cls_conn,
897 struct iscsi_stats *stats)
899 struct iscsi_conn *conn = cls_conn->dd_data;
900 struct beiscsi_hba *phba = NULL;
902 phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
903 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
904 "BS_%d : In beiscsi_conn_get_stats\n");
906 stats->txdata_octets = conn->txdata_octets;
907 stats->rxdata_octets = conn->rxdata_octets;
908 stats->dataout_pdus = conn->dataout_pdus_cnt;
909 stats->scsirsp_pdus = conn->scsirsp_pdus_cnt;
910 stats->scsicmd_pdus = conn->scsicmd_pdus_cnt;
911 stats->datain_pdus = conn->datain_pdus_cnt;
912 stats->tmfrsp_pdus = conn->tmfrsp_pdus_cnt;
913 stats->tmfcmd_pdus = conn->tmfcmd_pdus_cnt;
914 stats->r2t_pdus = conn->r2t_pdus_cnt;
915 stats->digest_err = 0;
916 stats->timeout_err = 0;
917 stats->custom_length = 0;
918 strcpy(stats->custom[0].desc, "eh_abort_cnt");
919 stats->custom[0].value = conn->eh_abort_cnt;
923 * beiscsi_set_params_for_offld - get the parameters for offload
924 * @beiscsi_conn: pointer to beiscsi_conn
925 * @params: pointer to offload_params structure
927 static void beiscsi_set_params_for_offld(struct beiscsi_conn *beiscsi_conn,
928 struct beiscsi_offload_params *params)
930 struct iscsi_conn *conn = beiscsi_conn->conn;
931 struct iscsi_session *session = conn->session;
933 AMAP_SET_BITS(struct amap_beiscsi_offload_params, max_burst_length,
934 params, session->max_burst);
935 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
936 max_send_data_segment_length, params,
937 conn->max_xmit_dlength);
938 AMAP_SET_BITS(struct amap_beiscsi_offload_params, first_burst_length,
939 params, session->first_burst);
940 AMAP_SET_BITS(struct amap_beiscsi_offload_params, erl, params,
942 AMAP_SET_BITS(struct amap_beiscsi_offload_params, dde, params,
944 AMAP_SET_BITS(struct amap_beiscsi_offload_params, hde, params,
946 AMAP_SET_BITS(struct amap_beiscsi_offload_params, ir2t, params,
947 session->initial_r2t_en);
948 AMAP_SET_BITS(struct amap_beiscsi_offload_params, imd, params,
949 session->imm_data_en);
950 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
951 data_seq_inorder, params,
952 session->dataseq_inorder_en);
953 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
954 pdu_seq_inorder, params,
955 session->pdu_inorder_en);
956 AMAP_SET_BITS(struct amap_beiscsi_offload_params, max_r2t, params,
958 AMAP_SET_BITS(struct amap_beiscsi_offload_params, exp_statsn, params,
959 (conn->exp_statsn - 1));
960 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
961 max_recv_data_segment_length, params,
962 conn->max_recv_dlength);
967 * beiscsi_conn_start - offload of session to chip
968 * @cls_conn: pointer to beiscsi_conn
970 int beiscsi_conn_start(struct iscsi_cls_conn *cls_conn)
972 struct iscsi_conn *conn = cls_conn->dd_data;
973 struct beiscsi_conn *beiscsi_conn = conn->dd_data;
974 struct beiscsi_endpoint *beiscsi_ep;
975 struct beiscsi_offload_params params;
976 struct beiscsi_hba *phba;
978 phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
980 if (phba->state & BE_ADAPTER_PCI_ERR) {
981 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
982 "BS_%d : In PCI_ERROR Recovery\n");
985 beiscsi_log(beiscsi_conn->phba, KERN_INFO,
987 "BS_%d : In beiscsi_conn_start\n");
990 memset(¶ms, 0, sizeof(struct beiscsi_offload_params));
991 beiscsi_ep = beiscsi_conn->ep;
993 beiscsi_log(beiscsi_conn->phba, KERN_ERR,
995 "BS_%d : In beiscsi_conn_start , no beiscsi_ep\n");
997 beiscsi_conn->login_in_progress = 0;
998 beiscsi_set_params_for_offld(beiscsi_conn, ¶ms);
999 beiscsi_offload_connection(beiscsi_conn, ¶ms);
1000 iscsi_conn_start(cls_conn);
1005 * beiscsi_get_cid - Allocate a cid
1006 * @phba: The phba instance
1008 static int beiscsi_get_cid(struct beiscsi_hba *phba)
1010 unsigned short cid = 0xFFFF, cid_from_ulp;
1011 struct ulp_cid_info *cid_info = NULL;
1012 uint16_t cid_avlbl_ulp0, cid_avlbl_ulp1;
1014 /* Find the ULP which has more CID available */
1015 cid_avlbl_ulp0 = (phba->cid_array_info[BEISCSI_ULP0]) ?
1016 BEISCSI_ULP0_AVLBL_CID(phba) : 0;
1017 cid_avlbl_ulp1 = (phba->cid_array_info[BEISCSI_ULP1]) ?
1018 BEISCSI_ULP1_AVLBL_CID(phba) : 0;
1019 cid_from_ulp = (cid_avlbl_ulp0 > cid_avlbl_ulp1) ?
1020 BEISCSI_ULP0 : BEISCSI_ULP1;
1022 if (test_bit(cid_from_ulp, (void *)&phba->fw_config.ulp_supported)) {
1023 cid_info = phba->cid_array_info[cid_from_ulp];
1024 if (!cid_info->avlbl_cids)
1027 cid = cid_info->cid_array[cid_info->cid_alloc++];
1029 if (cid_info->cid_alloc == BEISCSI_GET_CID_COUNT(
1030 phba, cid_from_ulp))
1031 cid_info->cid_alloc = 0;
1033 cid_info->avlbl_cids--;
1039 * beiscsi_put_cid - Free the cid
1040 * @phba: The phba for which the cid is being freed
1041 * @cid: The cid to free
1043 static void beiscsi_put_cid(struct beiscsi_hba *phba, unsigned short cid)
1045 uint16_t cid_post_ulp;
1046 struct hwi_controller *phwi_ctrlr;
1047 struct hwi_wrb_context *pwrb_context;
1048 struct ulp_cid_info *cid_info = NULL;
1049 uint16_t cri_index = BE_GET_CRI_FROM_CID(cid);
1051 phwi_ctrlr = phba->phwi_ctrlr;
1052 pwrb_context = &phwi_ctrlr->wrb_context[cri_index];
1053 cid_post_ulp = pwrb_context->ulp_num;
1055 cid_info = phba->cid_array_info[cid_post_ulp];
1056 cid_info->avlbl_cids++;
1058 cid_info->cid_array[cid_info->cid_free++] = cid;
1059 if (cid_info->cid_free == BEISCSI_GET_CID_COUNT(phba, cid_post_ulp))
1060 cid_info->cid_free = 0;
1064 * beiscsi_free_ep - free endpoint
1065 * @ep: pointer to iscsi endpoint structure
1067 static void beiscsi_free_ep(struct beiscsi_endpoint *beiscsi_ep)
1069 struct beiscsi_hba *phba = beiscsi_ep->phba;
1070 struct beiscsi_conn *beiscsi_conn;
1072 beiscsi_put_cid(phba, beiscsi_ep->ep_cid);
1073 beiscsi_ep->phba = NULL;
1074 phba->ep_array[BE_GET_CRI_FROM_CID
1075 (beiscsi_ep->ep_cid)] = NULL;
1078 * Check if any connection resource allocated by driver
1079 * is to be freed.This case occurs when target redirection
1080 * or connection retry is done.
1082 if (!beiscsi_ep->conn)
1085 beiscsi_conn = beiscsi_ep->conn;
1086 if (beiscsi_conn->login_in_progress) {
1087 beiscsi_free_mgmt_task_handles(beiscsi_conn,
1088 beiscsi_conn->task);
1089 beiscsi_conn->login_in_progress = 0;
1094 * beiscsi_open_conn - Ask FW to open a TCP connection
1095 * @ep: endpoint to be used
1096 * @src_addr: The source IP address
1097 * @dst_addr: The Destination IP address
1099 * Asks the FW to open a TCP connection
1101 static int beiscsi_open_conn(struct iscsi_endpoint *ep,
1102 struct sockaddr *src_addr,
1103 struct sockaddr *dst_addr, int non_blocking)
1105 struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
1106 struct beiscsi_hba *phba = beiscsi_ep->phba;
1107 struct tcp_connect_and_offload_out *ptcpcnct_out;
1108 struct be_dma_mem nonemb_cmd;
1112 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1113 "BS_%d : In beiscsi_open_conn\n");
1115 beiscsi_ep->ep_cid = beiscsi_get_cid(phba);
1116 if (beiscsi_ep->ep_cid == 0xFFFF) {
1117 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1118 "BS_%d : No free cid available\n");
1122 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1123 "BS_%d : In beiscsi_open_conn, ep_cid=%d\n",
1124 beiscsi_ep->ep_cid);
1126 phba->ep_array[BE_GET_CRI_FROM_CID
1127 (beiscsi_ep->ep_cid)] = ep;
1129 beiscsi_ep->cid_vld = 0;
1130 nonemb_cmd.va = pci_alloc_consistent(phba->ctrl.pdev,
1131 sizeof(struct tcp_connect_and_offload_in),
1133 if (nonemb_cmd.va == NULL) {
1135 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1136 "BS_%d : Failed to allocate memory for"
1137 " mgmt_open_connection\n");
1139 beiscsi_free_ep(beiscsi_ep);
1142 nonemb_cmd.size = sizeof(struct tcp_connect_and_offload_in);
1143 memset(nonemb_cmd.va, 0, nonemb_cmd.size);
1144 tag = mgmt_open_connection(phba, dst_addr, beiscsi_ep, &nonemb_cmd);
1146 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1147 "BS_%d : mgmt_open_connection Failed for cid=%d\n",
1148 beiscsi_ep->ep_cid);
1150 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
1151 nonemb_cmd.va, nonemb_cmd.dma);
1152 beiscsi_free_ep(beiscsi_ep);
1156 ret = beiscsi_mccq_compl(phba, tag, NULL, nonemb_cmd.va);
1158 beiscsi_log(phba, KERN_ERR,
1159 BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
1160 "BS_%d : mgmt_open_connection Failed");
1162 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
1163 nonemb_cmd.va, nonemb_cmd.dma);
1164 beiscsi_free_ep(beiscsi_ep);
1168 ptcpcnct_out = (struct tcp_connect_and_offload_out *)nonemb_cmd.va;
1169 beiscsi_ep = ep->dd_data;
1170 beiscsi_ep->fw_handle = ptcpcnct_out->connection_handle;
1171 beiscsi_ep->cid_vld = 1;
1172 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1173 "BS_%d : mgmt_open_connection Success\n");
1175 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
1176 nonemb_cmd.va, nonemb_cmd.dma);
1181 * beiscsi_ep_connect - Ask chip to create TCP Conn
1182 * @scsi_host: Pointer to scsi_host structure
1183 * @dst_addr: The IP address of Target
1184 * @non_blocking: blocking or non-blocking call
1186 * This routines first asks chip to create a connection and then allocates an EP
1188 struct iscsi_endpoint *
1189 beiscsi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
1192 struct beiscsi_hba *phba;
1193 struct beiscsi_endpoint *beiscsi_ep;
1194 struct iscsi_endpoint *ep;
1198 phba = iscsi_host_priv(shost);
1202 "beiscsi_ep_connect shost is NULL\n");
1203 return ERR_PTR(ret);
1206 if (beiscsi_error(phba)) {
1208 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
1209 "BS_%d : The FW state Not Stable!!!\n");
1210 return ERR_PTR(ret);
1213 if (phba->state & BE_ADAPTER_PCI_ERR) {
1215 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1216 "BS_%d : In PCI_ERROR Recovery\n");
1217 return ERR_PTR(ret);
1218 } else if (phba->state & BE_ADAPTER_LINK_DOWN) {
1220 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
1221 "BS_%d : The Adapter Port state is Down!!!\n");
1222 return ERR_PTR(ret);
1225 ep = iscsi_create_endpoint(sizeof(struct beiscsi_endpoint));
1228 return ERR_PTR(ret);
1231 beiscsi_ep = ep->dd_data;
1232 beiscsi_ep->phba = phba;
1233 beiscsi_ep->openiscsi_ep = ep;
1234 ret = beiscsi_open_conn(ep, NULL, dst_addr, non_blocking);
1236 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1237 "BS_%d : Failed in beiscsi_open_conn\n");
1244 iscsi_destroy_endpoint(ep);
1245 return ERR_PTR(ret);
1249 * beiscsi_ep_poll - Poll to see if connection is established
1250 * @ep: endpoint to be used
1251 * @timeout_ms: timeout specified in millisecs
1253 * Poll to see if TCP connection established
1255 int beiscsi_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
1257 struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
1259 beiscsi_log(beiscsi_ep->phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1260 "BS_%d : In beiscsi_ep_poll\n");
1262 if (beiscsi_ep->cid_vld == 1)
1269 * beiscsi_close_conn - Upload the connection
1270 * @ep: The iscsi endpoint
1271 * @flag: The type of connection closure
1273 static int beiscsi_close_conn(struct beiscsi_endpoint *beiscsi_ep, int flag)
1277 struct beiscsi_hba *phba = beiscsi_ep->phba;
1279 tag = mgmt_upload_connection(phba, beiscsi_ep->ep_cid, flag);
1281 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1282 "BS_%d : upload failed for cid 0x%x\n",
1283 beiscsi_ep->ep_cid);
1288 ret = beiscsi_mccq_compl(phba, tag, NULL, NULL);
1293 * beiscsi_unbind_conn_to_cid - Unbind the beiscsi_conn from phba conn table
1294 * @phba: The phba instance
1295 * @cid: The cid to free
1297 static int beiscsi_unbind_conn_to_cid(struct beiscsi_hba *phba,
1300 uint16_t cri_index = BE_GET_CRI_FROM_CID(cid);
1302 if (phba->conn_table[cri_index])
1303 phba->conn_table[cri_index] = NULL;
1305 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1306 "BS_%d : Connection table Not occupied.\n");
1313 * beiscsi_ep_disconnect - Tears down the TCP connection
1314 * @ep: endpoint to be used
1316 * Tears down the TCP connection
1318 void beiscsi_ep_disconnect(struct iscsi_endpoint *ep)
1320 struct beiscsi_conn *beiscsi_conn;
1321 struct beiscsi_endpoint *beiscsi_ep;
1322 struct beiscsi_hba *phba;
1324 uint8_t mgmt_invalidate_flag, tcp_upload_flag;
1325 unsigned short savecfg_flag = CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH;
1327 beiscsi_ep = ep->dd_data;
1328 phba = beiscsi_ep->phba;
1329 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1330 "BS_%d : In beiscsi_ep_disconnect for ep_cid = %d\n",
1331 beiscsi_ep->ep_cid);
1333 if (beiscsi_ep->conn) {
1334 beiscsi_conn = beiscsi_ep->conn;
1335 iscsi_suspend_queue(beiscsi_conn->conn);
1336 mgmt_invalidate_flag = ~BEISCSI_NO_RST_ISSUE;
1337 tcp_upload_flag = CONNECTION_UPLOAD_GRACEFUL;
1339 mgmt_invalidate_flag = BEISCSI_NO_RST_ISSUE;
1340 tcp_upload_flag = CONNECTION_UPLOAD_ABORT;
1343 if (phba->state & BE_ADAPTER_PCI_ERR) {
1344 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1345 "BS_%d : PCI_ERROR Recovery\n");
1349 tag = mgmt_invalidate_connection(phba, beiscsi_ep,
1351 mgmt_invalidate_flag,
1354 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1355 "BS_%d : mgmt_invalidate_connection Failed for cid=%d\n",
1356 beiscsi_ep->ep_cid);
1359 beiscsi_mccq_compl(phba, tag, NULL, NULL);
1360 beiscsi_close_conn(beiscsi_ep, tcp_upload_flag);
1362 beiscsi_free_ep(beiscsi_ep);
1363 beiscsi_unbind_conn_to_cid(phba, beiscsi_ep->ep_cid);
1364 iscsi_destroy_endpoint(beiscsi_ep->openiscsi_ep);
1367 umode_t be2iscsi_attr_is_visible(int param_type, int param)
1369 switch (param_type) {
1370 case ISCSI_NET_PARAM:
1372 case ISCSI_NET_PARAM_IFACE_ENABLE:
1373 case ISCSI_NET_PARAM_IPV4_ADDR:
1374 case ISCSI_NET_PARAM_IPV4_SUBNET:
1375 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
1376 case ISCSI_NET_PARAM_IPV4_GW:
1377 case ISCSI_NET_PARAM_IPV6_ADDR:
1378 case ISCSI_NET_PARAM_VLAN_ID:
1379 case ISCSI_NET_PARAM_VLAN_PRIORITY:
1380 case ISCSI_NET_PARAM_VLAN_ENABLED:
1385 case ISCSI_HOST_PARAM:
1387 case ISCSI_HOST_PARAM_HWADDRESS:
1388 case ISCSI_HOST_PARAM_INITIATOR_NAME:
1389 case ISCSI_HOST_PARAM_PORT_STATE:
1390 case ISCSI_HOST_PARAM_PORT_SPEED:
1397 case ISCSI_PARAM_MAX_RECV_DLENGTH:
1398 case ISCSI_PARAM_MAX_XMIT_DLENGTH:
1399 case ISCSI_PARAM_HDRDGST_EN:
1400 case ISCSI_PARAM_DATADGST_EN:
1401 case ISCSI_PARAM_CONN_ADDRESS:
1402 case ISCSI_PARAM_CONN_PORT:
1403 case ISCSI_PARAM_EXP_STATSN:
1404 case ISCSI_PARAM_PERSISTENT_ADDRESS:
1405 case ISCSI_PARAM_PERSISTENT_PORT:
1406 case ISCSI_PARAM_PING_TMO:
1407 case ISCSI_PARAM_RECV_TMO:
1408 case ISCSI_PARAM_INITIAL_R2T_EN:
1409 case ISCSI_PARAM_MAX_R2T:
1410 case ISCSI_PARAM_IMM_DATA_EN:
1411 case ISCSI_PARAM_FIRST_BURST:
1412 case ISCSI_PARAM_MAX_BURST:
1413 case ISCSI_PARAM_PDU_INORDER_EN:
1414 case ISCSI_PARAM_DATASEQ_INORDER_EN:
1415 case ISCSI_PARAM_ERL:
1416 case ISCSI_PARAM_TARGET_NAME:
1417 case ISCSI_PARAM_TPGT:
1418 case ISCSI_PARAM_USERNAME:
1419 case ISCSI_PARAM_PASSWORD:
1420 case ISCSI_PARAM_USERNAME_IN:
1421 case ISCSI_PARAM_PASSWORD_IN:
1422 case ISCSI_PARAM_FAST_ABORT:
1423 case ISCSI_PARAM_ABORT_TMO:
1424 case ISCSI_PARAM_LU_RESET_TMO:
1425 case ISCSI_PARAM_IFACE_NAME:
1426 case ISCSI_PARAM_INITIATOR_NAME: