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);
550 case ISCSI_NET_PARAM_IPV4_ADDR:
551 len = sprintf(buf, "%pI4\n", if_info->ip_addr.addr);
553 case ISCSI_NET_PARAM_IPV6_ADDR:
554 len = sprintf(buf, "%pI6\n", if_info->ip_addr.addr);
556 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
557 if (!if_info->dhcp_state)
558 len = sprintf(buf, "static\n");
560 len = sprintf(buf, "dhcp\n");
562 case ISCSI_NET_PARAM_IPV4_SUBNET:
563 len = sprintf(buf, "%pI4\n", if_info->ip_addr.subnet_mask);
565 case ISCSI_NET_PARAM_VLAN_ENABLED:
566 len = sprintf(buf, "%s\n",
567 (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
568 ? "Disabled\n" : "Enabled\n");
570 case ISCSI_NET_PARAM_VLAN_ID:
571 if (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
574 len = sprintf(buf, "%d\n",
575 (if_info->vlan_priority &
578 case ISCSI_NET_PARAM_VLAN_PRIORITY:
579 if (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
582 len = sprintf(buf, "%d\n",
583 ((if_info->vlan_priority >> 13) &
584 ISCSI_MAX_VLAN_PRIORITY));
594 int be2iscsi_iface_get_param(struct iscsi_iface *iface,
595 enum iscsi_param_type param_type,
596 int param, char *buf)
598 struct Scsi_Host *shost = iscsi_iface_to_shost(iface);
599 struct beiscsi_hba *phba = iscsi_host_priv(shost);
600 struct be_cmd_get_def_gateway_resp gateway;
603 if (phba->state & BE_ADAPTER_PCI_ERR) {
604 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
605 "BS_%d : In PCI_ERROR Recovery\n");
610 case ISCSI_NET_PARAM_IPV4_ADDR:
611 case ISCSI_NET_PARAM_IPV4_SUBNET:
612 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
613 case ISCSI_NET_PARAM_IPV6_ADDR:
614 case ISCSI_NET_PARAM_VLAN_ENABLED:
615 case ISCSI_NET_PARAM_VLAN_ID:
616 case ISCSI_NET_PARAM_VLAN_PRIORITY:
617 len = be2iscsi_get_if_param(phba, iface, param, buf);
619 case ISCSI_NET_PARAM_IFACE_ENABLE:
620 len = sprintf(buf, "enabled\n");
622 case ISCSI_NET_PARAM_IPV4_GW:
623 memset(&gateway, 0, sizeof(gateway));
624 len = mgmt_get_gateway(phba, BE2_IPV4, &gateway);
626 len = sprintf(buf, "%pI4\n", &gateway.ip_addr.addr);
636 * beiscsi_ep_get_param - get the iscsi parameter
637 * @ep: pointer to iscsi ep
638 * @param: parameter type identifier
639 * @buf: buffer pointer
641 * returns iscsi parameter
643 int beiscsi_ep_get_param(struct iscsi_endpoint *ep,
644 enum iscsi_param param, char *buf)
646 struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
649 beiscsi_log(beiscsi_ep->phba, KERN_INFO,
651 "BS_%d : In beiscsi_ep_get_param,"
652 " param= %d\n", param);
655 case ISCSI_PARAM_CONN_PORT:
656 len = sprintf(buf, "%hu\n", beiscsi_ep->dst_tcpport);
658 case ISCSI_PARAM_CONN_ADDRESS:
659 if (beiscsi_ep->ip_type == BE2_IPV4)
660 len = sprintf(buf, "%pI4\n", &beiscsi_ep->dst_addr);
662 len = sprintf(buf, "%pI6\n", &beiscsi_ep->dst6_addr);
670 int beiscsi_set_param(struct iscsi_cls_conn *cls_conn,
671 enum iscsi_param param, char *buf, int buflen)
673 struct iscsi_conn *conn = cls_conn->dd_data;
674 struct iscsi_session *session = conn->session;
675 struct beiscsi_hba *phba = NULL;
678 phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
679 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
680 "BS_%d : In beiscsi_conn_set_param,"
681 " param= %d\n", param);
683 ret = iscsi_set_param(cls_conn, param, buf, buflen);
687 * If userspace tried to set the value to higher than we can
688 * support override here.
691 case ISCSI_PARAM_FIRST_BURST:
692 if (session->first_burst > 8192)
693 session->first_burst = 8192;
695 case ISCSI_PARAM_MAX_RECV_DLENGTH:
696 if (conn->max_recv_dlength > 65536)
697 conn->max_recv_dlength = 65536;
699 case ISCSI_PARAM_MAX_BURST:
700 if (session->max_burst > 262144)
701 session->max_burst = 262144;
703 case ISCSI_PARAM_MAX_XMIT_DLENGTH:
704 if (conn->max_xmit_dlength > 65536)
705 conn->max_xmit_dlength = 65536;
714 * beiscsi_get_initname - Read Initiator Name from flash
715 * @buf: buffer bointer
716 * @phba: The device priv structure instance
718 * returns number of bytes
720 static int beiscsi_get_initname(char *buf, struct beiscsi_hba *phba)
724 struct be_mcc_wrb *wrb;
725 struct be_cmd_hba_name *resp;
727 tag = be_cmd_get_initname(phba);
729 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
730 "BS_%d : Getting Initiator Name Failed\n");
735 rc = beiscsi_mccq_compl(phba, tag, &wrb, NULL);
737 beiscsi_log(phba, KERN_ERR,
738 BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
739 "BS_%d : Initiator Name MBX Failed\n");
743 resp = embedded_payload(wrb);
744 rc = sprintf(buf, "%s\n", resp->initiator_name);
749 * beiscsi_get_port_state - Get the Port State
750 * @shost : pointer to scsi_host structure
753 static void beiscsi_get_port_state(struct Scsi_Host *shost)
755 struct beiscsi_hba *phba = iscsi_host_priv(shost);
756 struct iscsi_cls_host *ihost = shost->shost_data;
758 ihost->port_state = (phba->state == BE_ADAPTER_LINK_UP) ?
759 ISCSI_PORT_STATE_UP : ISCSI_PORT_STATE_DOWN;
763 * beiscsi_get_port_speed - Get the Port Speed from Adapter
764 * @shost : pointer to scsi_host structure
766 * returns Success/Failure
768 static int beiscsi_get_port_speed(struct Scsi_Host *shost)
772 struct be_mcc_wrb *wrb;
773 struct be_cmd_ntwk_link_status_resp *resp;
774 struct beiscsi_hba *phba = iscsi_host_priv(shost);
775 struct iscsi_cls_host *ihost = shost->shost_data;
777 tag = be_cmd_get_port_speed(phba);
779 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
780 "BS_%d : Getting Port Speed Failed\n");
784 rc = beiscsi_mccq_compl(phba, tag, &wrb, NULL);
786 beiscsi_log(phba, KERN_ERR,
787 BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
788 "BS_%d : Port Speed MBX Failed\n");
791 resp = embedded_payload(wrb);
793 switch (resp->mac_speed) {
794 case BE2ISCSI_LINK_SPEED_10MBPS:
795 ihost->port_speed = ISCSI_PORT_SPEED_10MBPS;
797 case BE2ISCSI_LINK_SPEED_100MBPS:
798 ihost->port_speed = BE2ISCSI_LINK_SPEED_100MBPS;
800 case BE2ISCSI_LINK_SPEED_1GBPS:
801 ihost->port_speed = ISCSI_PORT_SPEED_1GBPS;
803 case BE2ISCSI_LINK_SPEED_10GBPS:
804 ihost->port_speed = ISCSI_PORT_SPEED_10GBPS;
807 ihost->port_speed = ISCSI_PORT_SPEED_UNKNOWN;
813 * beiscsi_get_host_param - get the iscsi parameter
814 * @shost: pointer to scsi_host structure
815 * @param: parameter type identifier
816 * @buf: buffer pointer
818 * returns host parameter
820 int beiscsi_get_host_param(struct Scsi_Host *shost,
821 enum iscsi_host_param param, char *buf)
823 struct beiscsi_hba *phba = iscsi_host_priv(shost);
827 if (phba->state & BE_ADAPTER_PCI_ERR) {
828 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
829 "BS_%d : In PCI_ERROR Recovery\n");
832 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
833 "BS_%d : In beiscsi_get_host_param,"
834 " param = %d\n", param);
838 case ISCSI_HOST_PARAM_HWADDRESS:
839 status = beiscsi_get_macaddr(buf, phba);
841 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
842 "BS_%d : beiscsi_get_macaddr Failed\n");
846 case ISCSI_HOST_PARAM_INITIATOR_NAME:
847 status = beiscsi_get_initname(buf, phba);
849 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
850 "BS_%d : Retreiving Initiator Name Failed\n");
854 case ISCSI_HOST_PARAM_PORT_STATE:
855 beiscsi_get_port_state(shost);
856 status = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));
858 case ISCSI_HOST_PARAM_PORT_SPEED:
859 status = beiscsi_get_port_speed(shost);
861 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
862 "BS_%d : Retreiving Port Speed Failed\n");
865 status = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));
868 return iscsi_host_get_param(shost, param, buf);
873 int beiscsi_get_macaddr(char *buf, struct beiscsi_hba *phba)
875 struct be_cmd_get_nic_conf_resp resp;
878 if (phba->mac_addr_set)
879 return sysfs_format_mac(buf, phba->mac_address, ETH_ALEN);
881 memset(&resp, 0, sizeof(resp));
882 rc = mgmt_get_nic_conf(phba, &resp);
886 phba->mac_addr_set = true;
887 memcpy(phba->mac_address, resp.mac_address, ETH_ALEN);
888 return sysfs_format_mac(buf, phba->mac_address, ETH_ALEN);
892 * beiscsi_conn_get_stats - get the iscsi stats
893 * @cls_conn: pointer to iscsi cls conn
894 * @stats: pointer to iscsi_stats structure
896 * returns iscsi stats
898 void beiscsi_conn_get_stats(struct iscsi_cls_conn *cls_conn,
899 struct iscsi_stats *stats)
901 struct iscsi_conn *conn = cls_conn->dd_data;
902 struct beiscsi_hba *phba = NULL;
904 phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
905 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
906 "BS_%d : In beiscsi_conn_get_stats\n");
908 stats->txdata_octets = conn->txdata_octets;
909 stats->rxdata_octets = conn->rxdata_octets;
910 stats->dataout_pdus = conn->dataout_pdus_cnt;
911 stats->scsirsp_pdus = conn->scsirsp_pdus_cnt;
912 stats->scsicmd_pdus = conn->scsicmd_pdus_cnt;
913 stats->datain_pdus = conn->datain_pdus_cnt;
914 stats->tmfrsp_pdus = conn->tmfrsp_pdus_cnt;
915 stats->tmfcmd_pdus = conn->tmfcmd_pdus_cnt;
916 stats->r2t_pdus = conn->r2t_pdus_cnt;
917 stats->digest_err = 0;
918 stats->timeout_err = 0;
919 stats->custom_length = 0;
920 strcpy(stats->custom[0].desc, "eh_abort_cnt");
921 stats->custom[0].value = conn->eh_abort_cnt;
925 * beiscsi_set_params_for_offld - get the parameters for offload
926 * @beiscsi_conn: pointer to beiscsi_conn
927 * @params: pointer to offload_params structure
929 static void beiscsi_set_params_for_offld(struct beiscsi_conn *beiscsi_conn,
930 struct beiscsi_offload_params *params)
932 struct iscsi_conn *conn = beiscsi_conn->conn;
933 struct iscsi_session *session = conn->session;
935 AMAP_SET_BITS(struct amap_beiscsi_offload_params, max_burst_length,
936 params, session->max_burst);
937 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
938 max_send_data_segment_length, params,
939 conn->max_xmit_dlength);
940 AMAP_SET_BITS(struct amap_beiscsi_offload_params, first_burst_length,
941 params, session->first_burst);
942 AMAP_SET_BITS(struct amap_beiscsi_offload_params, erl, params,
944 AMAP_SET_BITS(struct amap_beiscsi_offload_params, dde, params,
946 AMAP_SET_BITS(struct amap_beiscsi_offload_params, hde, params,
948 AMAP_SET_BITS(struct amap_beiscsi_offload_params, ir2t, params,
949 session->initial_r2t_en);
950 AMAP_SET_BITS(struct amap_beiscsi_offload_params, imd, params,
951 session->imm_data_en);
952 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
953 data_seq_inorder, params,
954 session->dataseq_inorder_en);
955 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
956 pdu_seq_inorder, params,
957 session->pdu_inorder_en);
958 AMAP_SET_BITS(struct amap_beiscsi_offload_params, max_r2t, params,
960 AMAP_SET_BITS(struct amap_beiscsi_offload_params, exp_statsn, params,
961 (conn->exp_statsn - 1));
962 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
963 max_recv_data_segment_length, params,
964 conn->max_recv_dlength);
969 * beiscsi_conn_start - offload of session to chip
970 * @cls_conn: pointer to beiscsi_conn
972 int beiscsi_conn_start(struct iscsi_cls_conn *cls_conn)
974 struct iscsi_conn *conn = cls_conn->dd_data;
975 struct beiscsi_conn *beiscsi_conn = conn->dd_data;
976 struct beiscsi_endpoint *beiscsi_ep;
977 struct beiscsi_offload_params params;
978 struct beiscsi_hba *phba;
980 phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
982 if (phba->state & BE_ADAPTER_PCI_ERR) {
983 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
984 "BS_%d : In PCI_ERROR Recovery\n");
987 beiscsi_log(beiscsi_conn->phba, KERN_INFO,
989 "BS_%d : In beiscsi_conn_start\n");
992 memset(¶ms, 0, sizeof(struct beiscsi_offload_params));
993 beiscsi_ep = beiscsi_conn->ep;
995 beiscsi_log(beiscsi_conn->phba, KERN_ERR,
997 "BS_%d : In beiscsi_conn_start , no beiscsi_ep\n");
999 beiscsi_conn->login_in_progress = 0;
1000 beiscsi_set_params_for_offld(beiscsi_conn, ¶ms);
1001 beiscsi_offload_connection(beiscsi_conn, ¶ms);
1002 iscsi_conn_start(cls_conn);
1007 * beiscsi_get_cid - Allocate a cid
1008 * @phba: The phba instance
1010 static int beiscsi_get_cid(struct beiscsi_hba *phba)
1012 unsigned short cid = 0xFFFF, cid_from_ulp;
1013 struct ulp_cid_info *cid_info = NULL;
1014 uint16_t cid_avlbl_ulp0, cid_avlbl_ulp1;
1016 /* Find the ULP which has more CID available */
1017 cid_avlbl_ulp0 = (phba->cid_array_info[BEISCSI_ULP0]) ?
1018 BEISCSI_ULP0_AVLBL_CID(phba) : 0;
1019 cid_avlbl_ulp1 = (phba->cid_array_info[BEISCSI_ULP1]) ?
1020 BEISCSI_ULP1_AVLBL_CID(phba) : 0;
1021 cid_from_ulp = (cid_avlbl_ulp0 > cid_avlbl_ulp1) ?
1022 BEISCSI_ULP0 : BEISCSI_ULP1;
1024 if (test_bit(cid_from_ulp, (void *)&phba->fw_config.ulp_supported)) {
1025 cid_info = phba->cid_array_info[cid_from_ulp];
1026 if (!cid_info->avlbl_cids)
1029 cid = cid_info->cid_array[cid_info->cid_alloc++];
1031 if (cid_info->cid_alloc == BEISCSI_GET_CID_COUNT(
1032 phba, cid_from_ulp))
1033 cid_info->cid_alloc = 0;
1035 cid_info->avlbl_cids--;
1041 * beiscsi_put_cid - Free the cid
1042 * @phba: The phba for which the cid is being freed
1043 * @cid: The cid to free
1045 static void beiscsi_put_cid(struct beiscsi_hba *phba, unsigned short cid)
1047 uint16_t cid_post_ulp;
1048 struct hwi_controller *phwi_ctrlr;
1049 struct hwi_wrb_context *pwrb_context;
1050 struct ulp_cid_info *cid_info = NULL;
1051 uint16_t cri_index = BE_GET_CRI_FROM_CID(cid);
1053 phwi_ctrlr = phba->phwi_ctrlr;
1054 pwrb_context = &phwi_ctrlr->wrb_context[cri_index];
1055 cid_post_ulp = pwrb_context->ulp_num;
1057 cid_info = phba->cid_array_info[cid_post_ulp];
1058 cid_info->avlbl_cids++;
1060 cid_info->cid_array[cid_info->cid_free++] = cid;
1061 if (cid_info->cid_free == BEISCSI_GET_CID_COUNT(phba, cid_post_ulp))
1062 cid_info->cid_free = 0;
1066 * beiscsi_free_ep - free endpoint
1067 * @ep: pointer to iscsi endpoint structure
1069 static void beiscsi_free_ep(struct beiscsi_endpoint *beiscsi_ep)
1071 struct beiscsi_hba *phba = beiscsi_ep->phba;
1072 struct beiscsi_conn *beiscsi_conn;
1074 beiscsi_put_cid(phba, beiscsi_ep->ep_cid);
1075 beiscsi_ep->phba = NULL;
1076 phba->ep_array[BE_GET_CRI_FROM_CID
1077 (beiscsi_ep->ep_cid)] = NULL;
1080 * Check if any connection resource allocated by driver
1081 * is to be freed.This case occurs when target redirection
1082 * or connection retry is done.
1084 if (!beiscsi_ep->conn)
1087 beiscsi_conn = beiscsi_ep->conn;
1088 if (beiscsi_conn->login_in_progress) {
1089 beiscsi_free_mgmt_task_handles(beiscsi_conn,
1090 beiscsi_conn->task);
1091 beiscsi_conn->login_in_progress = 0;
1096 * beiscsi_open_conn - Ask FW to open a TCP connection
1097 * @ep: endpoint to be used
1098 * @src_addr: The source IP address
1099 * @dst_addr: The Destination IP address
1101 * Asks the FW to open a TCP connection
1103 static int beiscsi_open_conn(struct iscsi_endpoint *ep,
1104 struct sockaddr *src_addr,
1105 struct sockaddr *dst_addr, int non_blocking)
1107 struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
1108 struct beiscsi_hba *phba = beiscsi_ep->phba;
1109 struct tcp_connect_and_offload_out *ptcpcnct_out;
1110 struct be_dma_mem nonemb_cmd;
1114 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1115 "BS_%d : In beiscsi_open_conn\n");
1117 beiscsi_ep->ep_cid = beiscsi_get_cid(phba);
1118 if (beiscsi_ep->ep_cid == 0xFFFF) {
1119 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1120 "BS_%d : No free cid available\n");
1124 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1125 "BS_%d : In beiscsi_open_conn, ep_cid=%d\n",
1126 beiscsi_ep->ep_cid);
1128 phba->ep_array[BE_GET_CRI_FROM_CID
1129 (beiscsi_ep->ep_cid)] = ep;
1131 beiscsi_ep->cid_vld = 0;
1132 nonemb_cmd.va = pci_alloc_consistent(phba->ctrl.pdev,
1133 sizeof(struct tcp_connect_and_offload_in),
1135 if (nonemb_cmd.va == NULL) {
1137 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1138 "BS_%d : Failed to allocate memory for"
1139 " mgmt_open_connection\n");
1141 beiscsi_free_ep(beiscsi_ep);
1144 nonemb_cmd.size = sizeof(struct tcp_connect_and_offload_in);
1145 memset(nonemb_cmd.va, 0, nonemb_cmd.size);
1146 tag = mgmt_open_connection(phba, dst_addr, beiscsi_ep, &nonemb_cmd);
1148 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1149 "BS_%d : mgmt_open_connection Failed for cid=%d\n",
1150 beiscsi_ep->ep_cid);
1152 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
1153 nonemb_cmd.va, nonemb_cmd.dma);
1154 beiscsi_free_ep(beiscsi_ep);
1158 ret = beiscsi_mccq_compl(phba, tag, NULL, nonemb_cmd.va);
1160 beiscsi_log(phba, KERN_ERR,
1161 BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
1162 "BS_%d : mgmt_open_connection Failed");
1164 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
1165 nonemb_cmd.va, nonemb_cmd.dma);
1166 beiscsi_free_ep(beiscsi_ep);
1170 ptcpcnct_out = (struct tcp_connect_and_offload_out *)nonemb_cmd.va;
1171 beiscsi_ep = ep->dd_data;
1172 beiscsi_ep->fw_handle = ptcpcnct_out->connection_handle;
1173 beiscsi_ep->cid_vld = 1;
1174 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1175 "BS_%d : mgmt_open_connection Success\n");
1177 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
1178 nonemb_cmd.va, nonemb_cmd.dma);
1183 * beiscsi_ep_connect - Ask chip to create TCP Conn
1184 * @scsi_host: Pointer to scsi_host structure
1185 * @dst_addr: The IP address of Target
1186 * @non_blocking: blocking or non-blocking call
1188 * This routines first asks chip to create a connection and then allocates an EP
1190 struct iscsi_endpoint *
1191 beiscsi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
1194 struct beiscsi_hba *phba;
1195 struct beiscsi_endpoint *beiscsi_ep;
1196 struct iscsi_endpoint *ep;
1200 phba = iscsi_host_priv(shost);
1204 "beiscsi_ep_connect shost is NULL\n");
1205 return ERR_PTR(ret);
1208 if (beiscsi_error(phba)) {
1210 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
1211 "BS_%d : The FW state Not Stable!!!\n");
1212 return ERR_PTR(ret);
1215 if (phba->state & BE_ADAPTER_PCI_ERR) {
1217 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1218 "BS_%d : In PCI_ERROR Recovery\n");
1219 return ERR_PTR(ret);
1220 } else if (phba->state & BE_ADAPTER_LINK_DOWN) {
1222 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
1223 "BS_%d : The Adapter Port state is Down!!!\n");
1224 return ERR_PTR(ret);
1227 ep = iscsi_create_endpoint(sizeof(struct beiscsi_endpoint));
1230 return ERR_PTR(ret);
1233 beiscsi_ep = ep->dd_data;
1234 beiscsi_ep->phba = phba;
1235 beiscsi_ep->openiscsi_ep = ep;
1236 ret = beiscsi_open_conn(ep, NULL, dst_addr, non_blocking);
1238 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1239 "BS_%d : Failed in beiscsi_open_conn\n");
1246 iscsi_destroy_endpoint(ep);
1247 return ERR_PTR(ret);
1251 * beiscsi_ep_poll - Poll to see if connection is established
1252 * @ep: endpoint to be used
1253 * @timeout_ms: timeout specified in millisecs
1255 * Poll to see if TCP connection established
1257 int beiscsi_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
1259 struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
1261 beiscsi_log(beiscsi_ep->phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1262 "BS_%d : In beiscsi_ep_poll\n");
1264 if (beiscsi_ep->cid_vld == 1)
1271 * beiscsi_close_conn - Upload the connection
1272 * @ep: The iscsi endpoint
1273 * @flag: The type of connection closure
1275 static int beiscsi_close_conn(struct beiscsi_endpoint *beiscsi_ep, int flag)
1279 struct beiscsi_hba *phba = beiscsi_ep->phba;
1281 tag = mgmt_upload_connection(phba, beiscsi_ep->ep_cid, flag);
1283 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1284 "BS_%d : upload failed for cid 0x%x\n",
1285 beiscsi_ep->ep_cid);
1290 ret = beiscsi_mccq_compl(phba, tag, NULL, NULL);
1295 * beiscsi_unbind_conn_to_cid - Unbind the beiscsi_conn from phba conn table
1296 * @phba: The phba instance
1297 * @cid: The cid to free
1299 static int beiscsi_unbind_conn_to_cid(struct beiscsi_hba *phba,
1302 uint16_t cri_index = BE_GET_CRI_FROM_CID(cid);
1304 if (phba->conn_table[cri_index])
1305 phba->conn_table[cri_index] = NULL;
1307 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1308 "BS_%d : Connection table Not occupied.\n");
1315 * beiscsi_ep_disconnect - Tears down the TCP connection
1316 * @ep: endpoint to be used
1318 * Tears down the TCP connection
1320 void beiscsi_ep_disconnect(struct iscsi_endpoint *ep)
1322 struct beiscsi_conn *beiscsi_conn;
1323 struct beiscsi_endpoint *beiscsi_ep;
1324 struct beiscsi_hba *phba;
1326 uint8_t mgmt_invalidate_flag, tcp_upload_flag;
1327 unsigned short savecfg_flag = CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH;
1329 beiscsi_ep = ep->dd_data;
1330 phba = beiscsi_ep->phba;
1331 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1332 "BS_%d : In beiscsi_ep_disconnect for ep_cid = %d\n",
1333 beiscsi_ep->ep_cid);
1335 if (beiscsi_ep->conn) {
1336 beiscsi_conn = beiscsi_ep->conn;
1337 iscsi_suspend_queue(beiscsi_conn->conn);
1338 mgmt_invalidate_flag = ~BEISCSI_NO_RST_ISSUE;
1339 tcp_upload_flag = CONNECTION_UPLOAD_GRACEFUL;
1341 mgmt_invalidate_flag = BEISCSI_NO_RST_ISSUE;
1342 tcp_upload_flag = CONNECTION_UPLOAD_ABORT;
1345 if (phba->state & BE_ADAPTER_PCI_ERR) {
1346 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1347 "BS_%d : PCI_ERROR Recovery\n");
1351 tag = mgmt_invalidate_connection(phba, beiscsi_ep,
1353 mgmt_invalidate_flag,
1356 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1357 "BS_%d : mgmt_invalidate_connection Failed for cid=%d\n",
1358 beiscsi_ep->ep_cid);
1361 beiscsi_mccq_compl(phba, tag, NULL, NULL);
1362 beiscsi_close_conn(beiscsi_ep, tcp_upload_flag);
1364 beiscsi_free_ep(beiscsi_ep);
1365 beiscsi_unbind_conn_to_cid(phba, beiscsi_ep->ep_cid);
1366 iscsi_destroy_endpoint(beiscsi_ep->openiscsi_ep);
1369 umode_t be2iscsi_attr_is_visible(int param_type, int param)
1371 switch (param_type) {
1372 case ISCSI_NET_PARAM:
1374 case ISCSI_NET_PARAM_IFACE_ENABLE:
1375 case ISCSI_NET_PARAM_IPV4_ADDR:
1376 case ISCSI_NET_PARAM_IPV4_SUBNET:
1377 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
1378 case ISCSI_NET_PARAM_IPV4_GW:
1379 case ISCSI_NET_PARAM_IPV6_ADDR:
1380 case ISCSI_NET_PARAM_VLAN_ID:
1381 case ISCSI_NET_PARAM_VLAN_PRIORITY:
1382 case ISCSI_NET_PARAM_VLAN_ENABLED:
1387 case ISCSI_HOST_PARAM:
1389 case ISCSI_HOST_PARAM_HWADDRESS:
1390 case ISCSI_HOST_PARAM_INITIATOR_NAME:
1391 case ISCSI_HOST_PARAM_PORT_STATE:
1392 case ISCSI_HOST_PARAM_PORT_SPEED:
1399 case ISCSI_PARAM_MAX_RECV_DLENGTH:
1400 case ISCSI_PARAM_MAX_XMIT_DLENGTH:
1401 case ISCSI_PARAM_HDRDGST_EN:
1402 case ISCSI_PARAM_DATADGST_EN:
1403 case ISCSI_PARAM_CONN_ADDRESS:
1404 case ISCSI_PARAM_CONN_PORT:
1405 case ISCSI_PARAM_EXP_STATSN:
1406 case ISCSI_PARAM_PERSISTENT_ADDRESS:
1407 case ISCSI_PARAM_PERSISTENT_PORT:
1408 case ISCSI_PARAM_PING_TMO:
1409 case ISCSI_PARAM_RECV_TMO:
1410 case ISCSI_PARAM_INITIAL_R2T_EN:
1411 case ISCSI_PARAM_MAX_R2T:
1412 case ISCSI_PARAM_IMM_DATA_EN:
1413 case ISCSI_PARAM_FIRST_BURST:
1414 case ISCSI_PARAM_MAX_BURST:
1415 case ISCSI_PARAM_PDU_INORDER_EN:
1416 case ISCSI_PARAM_DATASEQ_INORDER_EN:
1417 case ISCSI_PARAM_ERL:
1418 case ISCSI_PARAM_TARGET_NAME:
1419 case ISCSI_PARAM_TPGT:
1420 case ISCSI_PARAM_USERNAME:
1421 case ISCSI_PARAM_PASSWORD:
1422 case ISCSI_PARAM_USERNAME_IN:
1423 case ISCSI_PARAM_PASSWORD_IN:
1424 case ISCSI_PARAM_FAST_ABORT:
1425 case ISCSI_PARAM_ABORT_TMO:
1426 case ISCSI_PARAM_LU_RESET_TMO:
1427 case ISCSI_PARAM_IFACE_NAME:
1428 case ISCSI_PARAM_INITIATOR_NAME: