2 * Copyright 2017 Broadcom. All Rights Reserved.
3 * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
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 * Contact Information:
11 * linux-drivers@broadcom.com
15 #include <scsi/libiscsi.h>
16 #include <scsi/scsi_transport_iscsi.h>
17 #include <scsi/scsi_transport.h>
18 #include <scsi/scsi_cmnd.h>
19 #include <scsi/scsi_device.h>
20 #include <scsi/scsi_host.h>
21 #include <scsi/scsi_netlink.h>
22 #include <net/netlink.h>
23 #include <scsi/scsi.h>
27 extern struct iscsi_transport beiscsi_iscsi_transport;
30 * beiscsi_session_create - creates a new iscsi session
31 * @cmds_max: max commands supported
32 * @qdepth: max queue depth supported
33 * @initial_cmdsn: initial iscsi CMDSN
35 struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep,
40 struct Scsi_Host *shost;
41 struct beiscsi_endpoint *beiscsi_ep;
42 struct iscsi_cls_session *cls_session;
43 struct beiscsi_hba *phba;
44 struct iscsi_session *sess;
45 struct beiscsi_session *beiscsi_sess;
46 struct beiscsi_io_task *io_task;
50 pr_err("beiscsi_session_create: invalid ep\n");
53 beiscsi_ep = ep->dd_data;
54 phba = beiscsi_ep->phba;
56 if (!beiscsi_hba_is_online(phba)) {
57 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
58 "BS_%d : HBA in error 0x%lx\n", phba->state);
62 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
63 "BS_%d : In beiscsi_session_create\n");
64 if (cmds_max > beiscsi_ep->phba->params.wrbs_per_cxn) {
65 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
66 "BS_%d : Cannot handle %d cmds."
67 "Max cmds per session supported is %d. Using %d."
69 beiscsi_ep->phba->params.wrbs_per_cxn,
70 beiscsi_ep->phba->params.wrbs_per_cxn);
72 cmds_max = beiscsi_ep->phba->params.wrbs_per_cxn;
76 cls_session = iscsi_session_setup(&beiscsi_iscsi_transport,
78 sizeof(*beiscsi_sess),
80 initial_cmdsn, ISCSI_MAX_TARGET);
83 sess = cls_session->dd_data;
84 beiscsi_sess = sess->dd_data;
85 beiscsi_sess->bhs_pool = dma_pool_create("beiscsi_bhs_pool",
87 sizeof(struct be_cmd_bhs),
89 if (!beiscsi_sess->bhs_pool)
94 iscsi_session_teardown(cls_session);
99 * beiscsi_session_destroy - destroys iscsi session
100 * @cls_session: pointer to iscsi cls session
102 * Destroys iSCSI session instance and releases
103 * resources allocated for it.
105 void beiscsi_session_destroy(struct iscsi_cls_session *cls_session)
107 struct iscsi_session *sess = cls_session->dd_data;
108 struct beiscsi_session *beiscsi_sess = sess->dd_data;
110 printk(KERN_INFO "In beiscsi_session_destroy\n");
111 dma_pool_destroy(beiscsi_sess->bhs_pool);
112 iscsi_session_teardown(cls_session);
116 * beiscsi_session_fail(): Closing session with appropriate error
117 * @cls_session: ptr to session
119 void beiscsi_session_fail(struct iscsi_cls_session *cls_session)
121 iscsi_session_failure(cls_session->dd_data, ISCSI_ERR_CONN_FAILED);
126 * beiscsi_conn_create - create an instance of iscsi connection
127 * @cls_session: ptr to iscsi_cls_session
130 struct iscsi_cls_conn *
131 beiscsi_conn_create(struct iscsi_cls_session *cls_session, u32 cid)
133 struct beiscsi_hba *phba;
134 struct Scsi_Host *shost;
135 struct iscsi_cls_conn *cls_conn;
136 struct beiscsi_conn *beiscsi_conn;
137 struct iscsi_conn *conn;
138 struct iscsi_session *sess;
139 struct beiscsi_session *beiscsi_sess;
141 shost = iscsi_session_to_shost(cls_session);
142 phba = iscsi_host_priv(shost);
144 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
145 "BS_%d : In beiscsi_conn_create ,cid"
146 "from iscsi layer=%d\n", cid);
148 cls_conn = iscsi_conn_setup(cls_session, sizeof(*beiscsi_conn), cid);
152 conn = cls_conn->dd_data;
153 beiscsi_conn = conn->dd_data;
154 beiscsi_conn->ep = NULL;
155 beiscsi_conn->phba = phba;
156 beiscsi_conn->conn = conn;
157 sess = cls_session->dd_data;
158 beiscsi_sess = sess->dd_data;
159 beiscsi_conn->beiscsi_sess = beiscsi_sess;
164 * beiscsi_conn_bind - Binds iscsi session/connection with TCP connection
165 * @cls_session: pointer to iscsi cls session
166 * @cls_conn: pointer to iscsi cls conn
167 * @transport_fd: EP handle(64 bit)
169 * This function binds the TCP Conn with iSCSI Connection and Session.
171 int beiscsi_conn_bind(struct iscsi_cls_session *cls_session,
172 struct iscsi_cls_conn *cls_conn,
173 u64 transport_fd, int is_leading)
175 struct iscsi_conn *conn = cls_conn->dd_data;
176 struct beiscsi_conn *beiscsi_conn = conn->dd_data;
177 struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
178 struct beiscsi_hba *phba = iscsi_host_priv(shost);
179 struct hwi_controller *phwi_ctrlr = phba->phwi_ctrlr;
180 struct hwi_wrb_context *pwrb_context;
181 struct beiscsi_endpoint *beiscsi_ep;
182 struct iscsi_endpoint *ep;
185 ep = iscsi_lookup_endpoint(transport_fd);
189 beiscsi_ep = ep->dd_data;
191 if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
194 if (beiscsi_ep->phba != phba) {
195 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
196 "BS_%d : beiscsi_ep->hba=%p not equal to phba=%p\n",
197 beiscsi_ep->phba, phba);
201 cri_index = BE_GET_CRI_FROM_CID(beiscsi_ep->ep_cid);
202 if (phba->conn_table[cri_index]) {
203 if (beiscsi_conn != phba->conn_table[cri_index] ||
204 beiscsi_ep != phba->conn_table[cri_index]->ep) {
205 __beiscsi_log(phba, KERN_ERR,
206 "BS_%d : conn_table not empty at %u: cid %u conn %p:%p\n",
210 phba->conn_table[cri_index]);
215 beiscsi_conn->beiscsi_conn_cid = beiscsi_ep->ep_cid;
216 beiscsi_conn->ep = beiscsi_ep;
217 beiscsi_ep->conn = beiscsi_conn;
219 * Each connection is associated with a WRBQ kept in wrb_context.
220 * Store doorbell offset for transmit path.
222 pwrb_context = &phwi_ctrlr->wrb_context[cri_index];
223 beiscsi_conn->doorbell_offset = pwrb_context->doorbell_offset;
224 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
225 "BS_%d : cid %d phba->conn_table[%u]=%p\n",
226 beiscsi_ep->ep_cid, cri_index, beiscsi_conn);
227 phba->conn_table[cri_index] = beiscsi_conn;
231 static int beiscsi_iface_create_ipv4(struct beiscsi_hba *phba)
233 if (phba->ipv4_iface)
236 phba->ipv4_iface = iscsi_create_iface(phba->shost,
237 &beiscsi_iscsi_transport,
238 ISCSI_IFACE_TYPE_IPV4,
240 if (!phba->ipv4_iface) {
241 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
243 "create default IPv4 address.\n");
250 static int beiscsi_iface_create_ipv6(struct beiscsi_hba *phba)
252 if (phba->ipv6_iface)
255 phba->ipv6_iface = iscsi_create_iface(phba->shost,
256 &beiscsi_iscsi_transport,
257 ISCSI_IFACE_TYPE_IPV6,
259 if (!phba->ipv6_iface) {
260 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
262 "create default IPv6 address.\n");
269 void beiscsi_iface_create_default(struct beiscsi_hba *phba)
271 struct be_cmd_get_if_info_resp *if_info;
273 if (!beiscsi_if_get_info(phba, BEISCSI_IP_TYPE_V4, &if_info)) {
274 beiscsi_iface_create_ipv4(phba);
278 if (!beiscsi_if_get_info(phba, BEISCSI_IP_TYPE_V6, &if_info)) {
279 beiscsi_iface_create_ipv6(phba);
284 void beiscsi_iface_destroy_default(struct beiscsi_hba *phba)
286 if (phba->ipv6_iface) {
287 iscsi_destroy_iface(phba->ipv6_iface);
288 phba->ipv6_iface = NULL;
290 if (phba->ipv4_iface) {
291 iscsi_destroy_iface(phba->ipv4_iface);
292 phba->ipv4_iface = NULL;
297 * beiscsi_set_vlan_tag()- Set the VLAN TAG
298 * @shost: Scsi Host for the driver instance
299 * @iface_param: Interface paramters
301 * Set the VLAN TAG for the adapter or disable
306 * Failure: Non-Zero Value
309 beiscsi_iface_config_vlan(struct Scsi_Host *shost,
310 struct iscsi_iface_param_info *iface_param)
312 struct beiscsi_hba *phba = iscsi_host_priv(shost);
315 switch (iface_param->param) {
316 case ISCSI_NET_PARAM_VLAN_ENABLED:
318 if (iface_param->value[0] != ISCSI_VLAN_ENABLE)
319 ret = beiscsi_if_set_vlan(phba, BEISCSI_VLAN_DISABLE);
321 case ISCSI_NET_PARAM_VLAN_TAG:
322 ret = beiscsi_if_set_vlan(phba,
323 *((uint16_t *)iface_param->value));
331 beiscsi_iface_config_ipv4(struct Scsi_Host *shost,
332 struct iscsi_iface_param_info *info,
333 void *data, uint32_t dt_len)
335 struct beiscsi_hba *phba = iscsi_host_priv(shost);
336 u8 *ip = NULL, *subnet = NULL, *gw;
340 /* Check the param */
341 switch (info->param) {
342 case ISCSI_NET_PARAM_IFACE_ENABLE:
343 if (info->value[0] == ISCSI_IFACE_ENABLE)
344 ret = beiscsi_iface_create_ipv4(phba);
346 iscsi_destroy_iface(phba->ipv4_iface);
347 phba->ipv4_iface = NULL;
350 case ISCSI_NET_PARAM_IPV4_GW:
352 ret = beiscsi_if_set_gw(phba, BEISCSI_IP_TYPE_V4, gw);
354 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
355 if (info->value[0] == ISCSI_BOOTPROTO_DHCP)
356 ret = beiscsi_if_en_dhcp(phba, BEISCSI_IP_TYPE_V4);
357 else if (info->value[0] == ISCSI_BOOTPROTO_STATIC)
358 /* release DHCP IP address */
359 ret = beiscsi_if_en_static(phba, BEISCSI_IP_TYPE_V4,
362 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
363 "BS_%d : Invalid BOOTPROTO: %d\n",
366 case ISCSI_NET_PARAM_IPV4_ADDR:
368 nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_SUBNET);
370 info = nla_data(nla);
371 subnet = info->value;
373 ret = beiscsi_if_en_static(phba, BEISCSI_IP_TYPE_V4,
376 case ISCSI_NET_PARAM_IPV4_SUBNET:
378 * OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR ioctl needs IP
379 * and subnet both. Find IP to be applied for this subnet.
381 subnet = info->value;
382 nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_ADDR);
384 info = nla_data(nla);
387 ret = beiscsi_if_en_static(phba, BEISCSI_IP_TYPE_V4,
396 beiscsi_iface_config_ipv6(struct Scsi_Host *shost,
397 struct iscsi_iface_param_info *iface_param,
398 void *data, uint32_t dt_len)
400 struct beiscsi_hba *phba = iscsi_host_priv(shost);
403 switch (iface_param->param) {
404 case ISCSI_NET_PARAM_IFACE_ENABLE:
405 if (iface_param->value[0] == ISCSI_IFACE_ENABLE)
406 ret = beiscsi_iface_create_ipv6(phba);
408 iscsi_destroy_iface(phba->ipv6_iface);
409 phba->ipv6_iface = NULL;
412 case ISCSI_NET_PARAM_IPV6_ADDR:
413 ret = beiscsi_if_en_static(phba, BEISCSI_IP_TYPE_V6,
414 iface_param->value, NULL);
421 int beiscsi_iface_set_param(struct Scsi_Host *shost,
422 void *data, uint32_t dt_len)
424 struct iscsi_iface_param_info *iface_param = NULL;
425 struct beiscsi_hba *phba = iscsi_host_priv(shost);
426 struct nlattr *attrib;
427 uint32_t rm_len = dt_len;
430 if (!beiscsi_hba_is_online(phba)) {
431 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
432 "BS_%d : HBA in error 0x%lx\n", phba->state);
436 /* update interface_handle */
437 ret = beiscsi_if_get_handle(phba);
439 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
440 "BS_%d : Getting Interface Handle Failed\n");
444 nla_for_each_attr(attrib, data, dt_len, rm_len) {
445 iface_param = nla_data(attrib);
447 if (iface_param->param_type != ISCSI_NET_PARAM)
451 * BE2ISCSI only supports 1 interface
453 if (iface_param->iface_num) {
454 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
455 "BS_%d : Invalid iface_num %d."
456 "Only iface_num 0 is supported.\n",
457 iface_param->iface_num);
462 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
463 "BS_%d : %s.0 set param %d",
464 (iface_param->iface_type == ISCSI_IFACE_TYPE_IPV4) ?
465 "ipv4" : "ipv6", iface_param->param);
468 switch (iface_param->param) {
469 case ISCSI_NET_PARAM_VLAN_ENABLED:
470 case ISCSI_NET_PARAM_VLAN_TAG:
471 ret = beiscsi_iface_config_vlan(shost, iface_param);
474 switch (iface_param->iface_type) {
475 case ISCSI_IFACE_TYPE_IPV4:
476 ret = beiscsi_iface_config_ipv4(shost,
480 case ISCSI_IFACE_TYPE_IPV6:
481 ret = beiscsi_iface_config_ipv6(shost,
489 __beiscsi_log(phba, KERN_ERR,
490 "BS_%d : %s.0 set param %d not permitted",
491 (iface_param->iface_type ==
492 ISCSI_IFACE_TYPE_IPV4) ? "ipv4" : "ipv6",
503 static int __beiscsi_iface_get_param(struct beiscsi_hba *phba,
504 struct iscsi_iface *iface,
505 int param, char *buf)
507 struct be_cmd_get_if_info_resp *if_info;
508 int len, ip_type = BEISCSI_IP_TYPE_V4;
510 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
511 ip_type = BEISCSI_IP_TYPE_V6;
513 len = beiscsi_if_get_info(phba, ip_type, &if_info);
518 case ISCSI_NET_PARAM_IPV4_ADDR:
519 len = sprintf(buf, "%pI4\n", if_info->ip_addr.addr);
521 case ISCSI_NET_PARAM_IPV6_ADDR:
522 len = sprintf(buf, "%pI6\n", if_info->ip_addr.addr);
524 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
525 if (!if_info->dhcp_state)
526 len = sprintf(buf, "static\n");
528 len = sprintf(buf, "dhcp\n");
530 case ISCSI_NET_PARAM_IPV4_SUBNET:
531 len = sprintf(buf, "%pI4\n", if_info->ip_addr.subnet_mask);
533 case ISCSI_NET_PARAM_VLAN_ENABLED:
534 len = sprintf(buf, "%s\n",
535 (if_info->vlan_priority == BEISCSI_VLAN_DISABLE) ?
536 "disable" : "enable");
538 case ISCSI_NET_PARAM_VLAN_ID:
539 if (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
542 len = sprintf(buf, "%d\n",
543 (if_info->vlan_priority &
546 case ISCSI_NET_PARAM_VLAN_PRIORITY:
547 if (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
550 len = sprintf(buf, "%d\n",
551 ((if_info->vlan_priority >> 13) &
552 ISCSI_MAX_VLAN_PRIORITY));
562 int beiscsi_iface_get_param(struct iscsi_iface *iface,
563 enum iscsi_param_type param_type,
564 int param, char *buf)
566 struct Scsi_Host *shost = iscsi_iface_to_shost(iface);
567 struct beiscsi_hba *phba = iscsi_host_priv(shost);
568 struct be_cmd_get_def_gateway_resp gateway;
571 if (param_type != ISCSI_NET_PARAM)
573 if (!beiscsi_hba_is_online(phba)) {
574 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
575 "BS_%d : HBA in error 0x%lx\n", phba->state);
580 case ISCSI_NET_PARAM_IPV4_ADDR:
581 case ISCSI_NET_PARAM_IPV4_SUBNET:
582 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
583 case ISCSI_NET_PARAM_IPV6_ADDR:
584 case ISCSI_NET_PARAM_VLAN_ENABLED:
585 case ISCSI_NET_PARAM_VLAN_ID:
586 case ISCSI_NET_PARAM_VLAN_PRIORITY:
587 len = __beiscsi_iface_get_param(phba, iface, param, buf);
589 case ISCSI_NET_PARAM_IFACE_ENABLE:
590 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
591 len = sprintf(buf, "%s\n",
592 phba->ipv4_iface ? "enable" : "disable");
593 else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
594 len = sprintf(buf, "%s\n",
595 phba->ipv6_iface ? "enable" : "disable");
597 case ISCSI_NET_PARAM_IPV4_GW:
598 memset(&gateway, 0, sizeof(gateway));
599 len = beiscsi_if_get_gw(phba, BEISCSI_IP_TYPE_V4, &gateway);
601 len = sprintf(buf, "%pI4\n", &gateway.ip_addr.addr);
609 * beiscsi_ep_get_param - get the iscsi parameter
610 * @ep: pointer to iscsi ep
611 * @param: parameter type identifier
612 * @buf: buffer pointer
614 * returns iscsi parameter
616 int beiscsi_ep_get_param(struct iscsi_endpoint *ep,
617 enum iscsi_param param, char *buf)
619 struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
622 beiscsi_log(beiscsi_ep->phba, KERN_INFO,
624 "BS_%d : In beiscsi_ep_get_param,"
625 " param= %d\n", param);
628 case ISCSI_PARAM_CONN_PORT:
629 len = sprintf(buf, "%hu\n", beiscsi_ep->dst_tcpport);
631 case ISCSI_PARAM_CONN_ADDRESS:
632 if (beiscsi_ep->ip_type == BEISCSI_IP_TYPE_V4)
633 len = sprintf(buf, "%pI4\n", &beiscsi_ep->dst_addr);
635 len = sprintf(buf, "%pI6\n", &beiscsi_ep->dst6_addr);
643 int beiscsi_set_param(struct iscsi_cls_conn *cls_conn,
644 enum iscsi_param param, char *buf, int buflen)
646 struct iscsi_conn *conn = cls_conn->dd_data;
647 struct iscsi_session *session = conn->session;
648 struct beiscsi_hba *phba = NULL;
651 phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
652 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
653 "BS_%d : In beiscsi_conn_set_param,"
654 " param= %d\n", param);
656 ret = iscsi_set_param(cls_conn, param, buf, buflen);
660 * If userspace tried to set the value to higher than we can
661 * support override here.
664 case ISCSI_PARAM_FIRST_BURST:
665 if (session->first_burst > 8192)
666 session->first_burst = 8192;
668 case ISCSI_PARAM_MAX_RECV_DLENGTH:
669 if (conn->max_recv_dlength > 65536)
670 conn->max_recv_dlength = 65536;
672 case ISCSI_PARAM_MAX_BURST:
673 if (session->max_burst > 262144)
674 session->max_burst = 262144;
676 case ISCSI_PARAM_MAX_XMIT_DLENGTH:
677 if (conn->max_xmit_dlength > 65536)
678 conn->max_xmit_dlength = 65536;
687 * beiscsi_get_initname - Read Initiator Name from flash
688 * @buf: buffer bointer
689 * @phba: The device priv structure instance
691 * returns number of bytes
693 static int beiscsi_get_initname(char *buf, struct beiscsi_hba *phba)
697 struct be_mcc_wrb *wrb;
698 struct be_cmd_hba_name *resp;
700 tag = be_cmd_get_initname(phba);
702 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
703 "BS_%d : Getting Initiator Name Failed\n");
708 rc = beiscsi_mccq_compl_wait(phba, tag, &wrb, NULL);
710 beiscsi_log(phba, KERN_ERR,
711 BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
712 "BS_%d : Initiator Name MBX Failed\n");
716 resp = embedded_payload(wrb);
717 rc = sprintf(buf, "%s\n", resp->initiator_name);
722 * beiscsi_get_port_state - Get the Port State
723 * @shost : pointer to scsi_host structure
726 static void beiscsi_get_port_state(struct Scsi_Host *shost)
728 struct beiscsi_hba *phba = iscsi_host_priv(shost);
729 struct iscsi_cls_host *ihost = shost->shost_data;
731 ihost->port_state = test_bit(BEISCSI_HBA_LINK_UP, &phba->state) ?
732 ISCSI_PORT_STATE_UP : ISCSI_PORT_STATE_DOWN;
736 * beiscsi_get_port_speed - Get the Port Speed from Adapter
737 * @shost : pointer to scsi_host structure
740 static void beiscsi_get_port_speed(struct Scsi_Host *shost)
742 struct beiscsi_hba *phba = iscsi_host_priv(shost);
743 struct iscsi_cls_host *ihost = shost->shost_data;
745 switch (phba->port_speed) {
746 case BE2ISCSI_LINK_SPEED_10MBPS:
747 ihost->port_speed = ISCSI_PORT_SPEED_10MBPS;
749 case BE2ISCSI_LINK_SPEED_100MBPS:
750 ihost->port_speed = ISCSI_PORT_SPEED_100MBPS;
752 case BE2ISCSI_LINK_SPEED_1GBPS:
753 ihost->port_speed = ISCSI_PORT_SPEED_1GBPS;
755 case BE2ISCSI_LINK_SPEED_10GBPS:
756 ihost->port_speed = ISCSI_PORT_SPEED_10GBPS;
758 case BE2ISCSI_LINK_SPEED_25GBPS:
759 ihost->port_speed = ISCSI_PORT_SPEED_25GBPS;
761 case BE2ISCSI_LINK_SPEED_40GBPS:
762 ihost->port_speed = ISCSI_PORT_SPEED_40GBPS;
765 ihost->port_speed = ISCSI_PORT_SPEED_UNKNOWN;
770 * beiscsi_get_host_param - get the iscsi parameter
771 * @shost: pointer to scsi_host structure
772 * @param: parameter type identifier
773 * @buf: buffer pointer
775 * returns host parameter
777 int beiscsi_get_host_param(struct Scsi_Host *shost,
778 enum iscsi_host_param param, char *buf)
780 struct beiscsi_hba *phba = iscsi_host_priv(shost);
783 if (!beiscsi_hba_is_online(phba)) {
784 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
785 "BS_%d : HBA in error 0x%lx\n", phba->state);
788 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
789 "BS_%d : In beiscsi_get_host_param, param = %d\n", param);
792 case ISCSI_HOST_PARAM_HWADDRESS:
793 status = beiscsi_get_macaddr(buf, phba);
795 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
796 "BS_%d : beiscsi_get_macaddr Failed\n");
800 case ISCSI_HOST_PARAM_INITIATOR_NAME:
801 status = beiscsi_get_initname(buf, phba);
803 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
804 "BS_%d : Retreiving Initiator Name Failed\n");
808 case ISCSI_HOST_PARAM_PORT_STATE:
809 beiscsi_get_port_state(shost);
810 status = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));
812 case ISCSI_HOST_PARAM_PORT_SPEED:
813 beiscsi_get_port_speed(shost);
814 status = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));
817 return iscsi_host_get_param(shost, param, buf);
822 int beiscsi_get_macaddr(char *buf, struct beiscsi_hba *phba)
824 struct be_cmd_get_nic_conf_resp resp;
827 if (phba->mac_addr_set)
828 return sysfs_format_mac(buf, phba->mac_address, ETH_ALEN);
830 memset(&resp, 0, sizeof(resp));
831 rc = mgmt_get_nic_conf(phba, &resp);
835 phba->mac_addr_set = true;
836 memcpy(phba->mac_address, resp.mac_address, ETH_ALEN);
837 return sysfs_format_mac(buf, phba->mac_address, ETH_ALEN);
841 * beiscsi_conn_get_stats - get the iscsi stats
842 * @cls_conn: pointer to iscsi cls conn
843 * @stats: pointer to iscsi_stats structure
845 * returns iscsi stats
847 void beiscsi_conn_get_stats(struct iscsi_cls_conn *cls_conn,
848 struct iscsi_stats *stats)
850 struct iscsi_conn *conn = cls_conn->dd_data;
851 struct beiscsi_hba *phba = NULL;
853 phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
854 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
855 "BS_%d : In beiscsi_conn_get_stats\n");
857 stats->txdata_octets = conn->txdata_octets;
858 stats->rxdata_octets = conn->rxdata_octets;
859 stats->dataout_pdus = conn->dataout_pdus_cnt;
860 stats->scsirsp_pdus = conn->scsirsp_pdus_cnt;
861 stats->scsicmd_pdus = conn->scsicmd_pdus_cnt;
862 stats->datain_pdus = conn->datain_pdus_cnt;
863 stats->tmfrsp_pdus = conn->tmfrsp_pdus_cnt;
864 stats->tmfcmd_pdus = conn->tmfcmd_pdus_cnt;
865 stats->r2t_pdus = conn->r2t_pdus_cnt;
866 stats->digest_err = 0;
867 stats->timeout_err = 0;
868 stats->custom_length = 1;
869 strcpy(stats->custom[0].desc, "eh_abort_cnt");
870 stats->custom[0].value = conn->eh_abort_cnt;
874 * beiscsi_set_params_for_offld - get the parameters for offload
875 * @beiscsi_conn: pointer to beiscsi_conn
876 * @params: pointer to offload_params structure
878 static void beiscsi_set_params_for_offld(struct beiscsi_conn *beiscsi_conn,
879 struct beiscsi_offload_params *params)
881 struct iscsi_conn *conn = beiscsi_conn->conn;
882 struct iscsi_session *session = conn->session;
884 AMAP_SET_BITS(struct amap_beiscsi_offload_params, max_burst_length,
885 params, session->max_burst);
886 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
887 max_send_data_segment_length, params,
888 conn->max_xmit_dlength);
889 AMAP_SET_BITS(struct amap_beiscsi_offload_params, first_burst_length,
890 params, session->first_burst);
891 AMAP_SET_BITS(struct amap_beiscsi_offload_params, erl, params,
893 AMAP_SET_BITS(struct amap_beiscsi_offload_params, dde, params,
895 AMAP_SET_BITS(struct amap_beiscsi_offload_params, hde, params,
897 AMAP_SET_BITS(struct amap_beiscsi_offload_params, ir2t, params,
898 session->initial_r2t_en);
899 AMAP_SET_BITS(struct amap_beiscsi_offload_params, imd, params,
900 session->imm_data_en);
901 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
902 data_seq_inorder, params,
903 session->dataseq_inorder_en);
904 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
905 pdu_seq_inorder, params,
906 session->pdu_inorder_en);
907 AMAP_SET_BITS(struct amap_beiscsi_offload_params, max_r2t, params,
909 AMAP_SET_BITS(struct amap_beiscsi_offload_params, exp_statsn, params,
910 (conn->exp_statsn - 1));
911 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
912 max_recv_data_segment_length, params,
913 conn->max_recv_dlength);
918 * beiscsi_conn_start - offload of session to chip
919 * @cls_conn: pointer to beiscsi_conn
921 int beiscsi_conn_start(struct iscsi_cls_conn *cls_conn)
923 struct iscsi_conn *conn = cls_conn->dd_data;
924 struct beiscsi_conn *beiscsi_conn = conn->dd_data;
925 struct beiscsi_endpoint *beiscsi_ep;
926 struct beiscsi_offload_params params;
927 struct beiscsi_hba *phba;
929 phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
931 if (!beiscsi_hba_is_online(phba)) {
932 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
933 "BS_%d : HBA in error 0x%lx\n", phba->state);
936 beiscsi_log(beiscsi_conn->phba, KERN_INFO, BEISCSI_LOG_CONFIG,
937 "BS_%d : In beiscsi_conn_start\n");
939 memset(¶ms, 0, sizeof(struct beiscsi_offload_params));
940 beiscsi_ep = beiscsi_conn->ep;
942 beiscsi_log(beiscsi_conn->phba, KERN_ERR,
944 "BS_%d : In beiscsi_conn_start , no beiscsi_ep\n");
946 beiscsi_conn->login_in_progress = 0;
947 beiscsi_set_params_for_offld(beiscsi_conn, ¶ms);
948 beiscsi_offload_connection(beiscsi_conn, ¶ms);
949 iscsi_conn_start(cls_conn);
954 * beiscsi_get_cid - Allocate a cid
955 * @phba: The phba instance
957 static int beiscsi_get_cid(struct beiscsi_hba *phba)
959 uint16_t cid_avlbl_ulp0, cid_avlbl_ulp1;
960 unsigned short cid, cid_from_ulp;
961 struct ulp_cid_info *cid_info;
963 /* Find the ULP which has more CID available */
964 cid_avlbl_ulp0 = (phba->cid_array_info[BEISCSI_ULP0]) ?
965 BEISCSI_ULP0_AVLBL_CID(phba) : 0;
966 cid_avlbl_ulp1 = (phba->cid_array_info[BEISCSI_ULP1]) ?
967 BEISCSI_ULP1_AVLBL_CID(phba) : 0;
968 cid_from_ulp = (cid_avlbl_ulp0 > cid_avlbl_ulp1) ?
969 BEISCSI_ULP0 : BEISCSI_ULP1;
971 * If iSCSI protocol is loaded only on ULP 0, and when cid_avlbl_ulp
972 * is ZERO for both, ULP 1 is returned.
973 * Check if ULP is loaded before getting new CID.
975 if (!test_bit(cid_from_ulp, (void *)&phba->fw_config.ulp_supported))
976 return BE_INVALID_CID;
978 cid_info = phba->cid_array_info[cid_from_ulp];
979 cid = cid_info->cid_array[cid_info->cid_alloc];
980 if (!cid_info->avlbl_cids || cid == BE_INVALID_CID) {
981 __beiscsi_log(phba, KERN_ERR,
982 "BS_%d : failed to get cid: available %u:%u\n",
983 cid_info->avlbl_cids, cid_info->cid_free);
984 return BE_INVALID_CID;
987 cid_info->cid_array[cid_info->cid_alloc++] = BE_INVALID_CID;
988 if (cid_info->cid_alloc == BEISCSI_GET_CID_COUNT(phba, cid_from_ulp))
989 cid_info->cid_alloc = 0;
990 cid_info->avlbl_cids--;
995 * beiscsi_put_cid - Free the cid
996 * @phba: The phba for which the cid is being freed
997 * @cid: The cid to free
999 static void beiscsi_put_cid(struct beiscsi_hba *phba, unsigned short cid)
1001 uint16_t cri_index = BE_GET_CRI_FROM_CID(cid);
1002 struct hwi_wrb_context *pwrb_context;
1003 struct hwi_controller *phwi_ctrlr;
1004 struct ulp_cid_info *cid_info;
1005 uint16_t cid_post_ulp;
1007 phwi_ctrlr = phba->phwi_ctrlr;
1008 pwrb_context = &phwi_ctrlr->wrb_context[cri_index];
1009 cid_post_ulp = pwrb_context->ulp_num;
1011 cid_info = phba->cid_array_info[cid_post_ulp];
1012 /* fill only in empty slot */
1013 if (cid_info->cid_array[cid_info->cid_free] != BE_INVALID_CID) {
1014 __beiscsi_log(phba, KERN_ERR,
1015 "BS_%d : failed to put cid %u: available %u:%u\n",
1016 cid, cid_info->avlbl_cids, cid_info->cid_free);
1019 cid_info->cid_array[cid_info->cid_free++] = cid;
1020 if (cid_info->cid_free == BEISCSI_GET_CID_COUNT(phba, cid_post_ulp))
1021 cid_info->cid_free = 0;
1022 cid_info->avlbl_cids++;
1026 * beiscsi_free_ep - free endpoint
1027 * @ep: pointer to iscsi endpoint structure
1029 static void beiscsi_free_ep(struct beiscsi_endpoint *beiscsi_ep)
1031 struct beiscsi_hba *phba = beiscsi_ep->phba;
1032 struct beiscsi_conn *beiscsi_conn;
1034 beiscsi_put_cid(phba, beiscsi_ep->ep_cid);
1035 beiscsi_ep->phba = NULL;
1036 /* clear this to track freeing in beiscsi_ep_disconnect */
1037 phba->ep_array[BE_GET_CRI_FROM_CID(beiscsi_ep->ep_cid)] = NULL;
1040 * Check if any connection resource allocated by driver
1041 * is to be freed.This case occurs when target redirection
1042 * or connection retry is done.
1044 if (!beiscsi_ep->conn)
1047 beiscsi_conn = beiscsi_ep->conn;
1049 * Break ep->conn link here so that completions after
1052 beiscsi_ep->conn = NULL;
1053 if (beiscsi_conn->login_in_progress) {
1054 beiscsi_free_mgmt_task_handles(beiscsi_conn,
1055 beiscsi_conn->task);
1056 beiscsi_conn->login_in_progress = 0;
1061 * beiscsi_open_conn - Ask FW to open a TCP connection
1062 * @ep: endpoint to be used
1063 * @src_addr: The source IP address
1064 * @dst_addr: The Destination IP address
1066 * Asks the FW to open a TCP connection
1068 static int beiscsi_open_conn(struct iscsi_endpoint *ep,
1069 struct sockaddr *src_addr,
1070 struct sockaddr *dst_addr, int non_blocking)
1072 struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
1073 struct beiscsi_hba *phba = beiscsi_ep->phba;
1074 struct tcp_connect_and_offload_out *ptcpcnct_out;
1075 struct be_dma_mem nonemb_cmd;
1076 unsigned int tag, req_memsize;
1079 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1080 "BS_%d : In beiscsi_open_conn\n");
1082 beiscsi_ep->ep_cid = beiscsi_get_cid(phba);
1083 if (beiscsi_ep->ep_cid == BE_INVALID_CID) {
1084 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1085 "BS_%d : No free cid available\n");
1089 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1090 "BS_%d : In beiscsi_open_conn, ep_cid=%d\n",
1091 beiscsi_ep->ep_cid);
1093 phba->ep_array[BE_GET_CRI_FROM_CID
1094 (beiscsi_ep->ep_cid)] = ep;
1096 beiscsi_ep->cid_vld = 0;
1098 if (is_chip_be2_be3r(phba))
1099 req_memsize = sizeof(struct tcp_connect_and_offload_in);
1101 req_memsize = sizeof(struct tcp_connect_and_offload_in_v1);
1103 nonemb_cmd.va = pci_alloc_consistent(phba->ctrl.pdev,
1106 if (nonemb_cmd.va == NULL) {
1108 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1109 "BS_%d : Failed to allocate memory for"
1110 " mgmt_open_connection\n");
1112 beiscsi_free_ep(beiscsi_ep);
1115 nonemb_cmd.size = req_memsize;
1116 memset(nonemb_cmd.va, 0, nonemb_cmd.size);
1117 tag = mgmt_open_connection(phba, dst_addr, beiscsi_ep, &nonemb_cmd);
1119 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1120 "BS_%d : mgmt_open_connection Failed for cid=%d\n",
1121 beiscsi_ep->ep_cid);
1123 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
1124 nonemb_cmd.va, nonemb_cmd.dma);
1125 beiscsi_free_ep(beiscsi_ep);
1129 ret = beiscsi_mccq_compl_wait(phba, tag, NULL, &nonemb_cmd);
1131 beiscsi_log(phba, KERN_ERR,
1132 BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
1133 "BS_%d : mgmt_open_connection Failed");
1136 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
1137 nonemb_cmd.va, nonemb_cmd.dma);
1139 beiscsi_free_ep(beiscsi_ep);
1143 ptcpcnct_out = (struct tcp_connect_and_offload_out *)nonemb_cmd.va;
1144 beiscsi_ep = ep->dd_data;
1145 beiscsi_ep->fw_handle = ptcpcnct_out->connection_handle;
1146 beiscsi_ep->cid_vld = 1;
1147 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1148 "BS_%d : mgmt_open_connection Success\n");
1150 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
1151 nonemb_cmd.va, nonemb_cmd.dma);
1156 * beiscsi_ep_connect - Ask chip to create TCP Conn
1157 * @scsi_host: Pointer to scsi_host structure
1158 * @dst_addr: The IP address of Target
1159 * @non_blocking: blocking or non-blocking call
1161 * This routines first asks chip to create a connection and then allocates an EP
1163 struct iscsi_endpoint *
1164 beiscsi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
1167 struct beiscsi_hba *phba;
1168 struct beiscsi_endpoint *beiscsi_ep;
1169 struct iscsi_endpoint *ep;
1174 pr_err("beiscsi_ep_connect shost is NULL\n");
1175 return ERR_PTR(ret);
1178 phba = iscsi_host_priv(shost);
1179 if (!beiscsi_hba_is_online(phba)) {
1181 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1182 "BS_%d : HBA in error 0x%lx\n", phba->state);
1183 return ERR_PTR(ret);
1185 if (!test_bit(BEISCSI_HBA_LINK_UP, &phba->state)) {
1187 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
1188 "BS_%d : The Adapter Port state is Down!!!\n");
1189 return ERR_PTR(ret);
1192 ep = iscsi_create_endpoint(sizeof(struct beiscsi_endpoint));
1195 return ERR_PTR(ret);
1198 beiscsi_ep = ep->dd_data;
1199 beiscsi_ep->phba = phba;
1200 beiscsi_ep->openiscsi_ep = ep;
1201 ret = beiscsi_open_conn(ep, NULL, dst_addr, non_blocking);
1203 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1204 "BS_%d : Failed in beiscsi_open_conn\n");
1211 iscsi_destroy_endpoint(ep);
1212 return ERR_PTR(ret);
1216 * beiscsi_ep_poll - Poll to see if connection is established
1217 * @ep: endpoint to be used
1218 * @timeout_ms: timeout specified in millisecs
1220 * Poll to see if TCP connection established
1222 int beiscsi_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
1224 struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
1226 beiscsi_log(beiscsi_ep->phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1227 "BS_%d : In beiscsi_ep_poll\n");
1229 if (beiscsi_ep->cid_vld == 1)
1236 * beiscsi_flush_cq()- Flush the CQ created.
1237 * @phba: ptr device priv structure.
1239 * Before the connection resource are freed flush
1240 * all the CQ enteries
1242 static void beiscsi_flush_cq(struct beiscsi_hba *phba)
1245 struct be_eq_obj *pbe_eq;
1246 struct hwi_controller *phwi_ctrlr;
1247 struct hwi_context_memory *phwi_context;
1249 phwi_ctrlr = phba->phwi_ctrlr;
1250 phwi_context = phwi_ctrlr->phwi_ctxt;
1252 for (i = 0; i < phba->num_cpus; i++) {
1253 pbe_eq = &phwi_context->be_eq[i];
1254 irq_poll_disable(&pbe_eq->iopoll);
1255 beiscsi_process_cq(pbe_eq, BE2_MAX_NUM_CQ_PROC);
1256 irq_poll_enable(&pbe_eq->iopoll);
1261 * beiscsi_conn_close - Invalidate and upload connection
1262 * @ep: The iscsi endpoint
1264 * Returns 0 on success, -1 on failure.
1266 static int beiscsi_conn_close(struct beiscsi_endpoint *beiscsi_ep)
1268 struct beiscsi_hba *phba = beiscsi_ep->phba;
1269 unsigned int tag, attempts;
1273 * Without successfully invalidating and uploading connection
1274 * driver can't reuse the CID so attempt more than once.
1277 while (attempts++ < 3) {
1278 tag = beiscsi_invalidate_cxn(phba, beiscsi_ep);
1280 ret = beiscsi_mccq_compl_wait(phba, tag, NULL, NULL);
1283 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1284 "BS_%d : invalidate conn failed cid %d\n",
1285 beiscsi_ep->ep_cid);
1289 /* wait for all completions to arrive, then process them */
1291 /* flush CQ entries */
1292 beiscsi_flush_cq(phba);
1298 while (attempts++ < 3) {
1299 tag = beiscsi_upload_cxn(phba, beiscsi_ep);
1301 ret = beiscsi_mccq_compl_wait(phba, tag, NULL, NULL);
1304 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1305 "BS_%d : upload conn failed cid %d\n",
1306 beiscsi_ep->ep_cid);
1316 * beiscsi_ep_disconnect - Tears down the TCP connection
1317 * @ep: endpoint to be used
1319 * Tears down the TCP connection
1321 void beiscsi_ep_disconnect(struct iscsi_endpoint *ep)
1323 struct beiscsi_endpoint *beiscsi_ep;
1324 struct beiscsi_conn *beiscsi_conn;
1325 struct beiscsi_hba *phba;
1328 beiscsi_ep = ep->dd_data;
1329 phba = beiscsi_ep->phba;
1330 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1331 "BS_%d : In beiscsi_ep_disconnect for ep_cid = %u\n",
1332 beiscsi_ep->ep_cid);
1334 cri_index = BE_GET_CRI_FROM_CID(beiscsi_ep->ep_cid);
1335 if (!phba->ep_array[cri_index]) {
1336 __beiscsi_log(phba, KERN_ERR,
1337 "BS_%d : ep_array at %u cid %u empty\n",
1339 beiscsi_ep->ep_cid);
1343 if (beiscsi_ep->conn) {
1344 beiscsi_conn = beiscsi_ep->conn;
1345 iscsi_suspend_queue(beiscsi_conn->conn);
1348 if (!beiscsi_hba_is_online(phba)) {
1349 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1350 "BS_%d : HBA in error 0x%lx\n", phba->state);
1353 * Make CID available even if close fails.
1354 * If not freed, FW might fail open using the CID.
1356 if (beiscsi_conn_close(beiscsi_ep) < 0)
1357 __beiscsi_log(phba, KERN_ERR,
1358 "BS_%d : close conn failed cid %d\n",
1359 beiscsi_ep->ep_cid);
1362 beiscsi_free_ep(beiscsi_ep);
1363 if (!phba->conn_table[cri_index])
1364 __beiscsi_log(phba, KERN_ERR,
1365 "BS_%d : conn_table empty at %u: cid %u\n",
1366 cri_index, beiscsi_ep->ep_cid);
1367 phba->conn_table[cri_index] = NULL;
1368 iscsi_destroy_endpoint(beiscsi_ep->openiscsi_ep);
1371 umode_t beiscsi_attr_is_visible(int param_type, int param)
1373 switch (param_type) {
1374 case ISCSI_NET_PARAM:
1376 case ISCSI_NET_PARAM_IFACE_ENABLE:
1377 case ISCSI_NET_PARAM_IPV4_ADDR:
1378 case ISCSI_NET_PARAM_IPV4_SUBNET:
1379 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
1380 case ISCSI_NET_PARAM_IPV4_GW:
1381 case ISCSI_NET_PARAM_IPV6_ADDR:
1382 case ISCSI_NET_PARAM_VLAN_ID:
1383 case ISCSI_NET_PARAM_VLAN_PRIORITY:
1384 case ISCSI_NET_PARAM_VLAN_ENABLED:
1389 case ISCSI_HOST_PARAM:
1391 case ISCSI_HOST_PARAM_HWADDRESS:
1392 case ISCSI_HOST_PARAM_INITIATOR_NAME:
1393 case ISCSI_HOST_PARAM_PORT_STATE:
1394 case ISCSI_HOST_PARAM_PORT_SPEED:
1401 case ISCSI_PARAM_MAX_RECV_DLENGTH:
1402 case ISCSI_PARAM_MAX_XMIT_DLENGTH:
1403 case ISCSI_PARAM_HDRDGST_EN:
1404 case ISCSI_PARAM_DATADGST_EN:
1405 case ISCSI_PARAM_CONN_ADDRESS:
1406 case ISCSI_PARAM_CONN_PORT:
1407 case ISCSI_PARAM_EXP_STATSN:
1408 case ISCSI_PARAM_PERSISTENT_ADDRESS:
1409 case ISCSI_PARAM_PERSISTENT_PORT:
1410 case ISCSI_PARAM_PING_TMO:
1411 case ISCSI_PARAM_RECV_TMO:
1412 case ISCSI_PARAM_INITIAL_R2T_EN:
1413 case ISCSI_PARAM_MAX_R2T:
1414 case ISCSI_PARAM_IMM_DATA_EN:
1415 case ISCSI_PARAM_FIRST_BURST:
1416 case ISCSI_PARAM_MAX_BURST:
1417 case ISCSI_PARAM_PDU_INORDER_EN:
1418 case ISCSI_PARAM_DATASEQ_INORDER_EN:
1419 case ISCSI_PARAM_ERL:
1420 case ISCSI_PARAM_TARGET_NAME:
1421 case ISCSI_PARAM_TPGT:
1422 case ISCSI_PARAM_USERNAME:
1423 case ISCSI_PARAM_PASSWORD:
1424 case ISCSI_PARAM_USERNAME_IN:
1425 case ISCSI_PARAM_PASSWORD_IN:
1426 case ISCSI_PARAM_FAST_ABORT:
1427 case ISCSI_PARAM_ABORT_TMO:
1428 case ISCSI_PARAM_LU_RESET_TMO:
1429 case ISCSI_PARAM_IFACE_NAME:
1430 case ISCSI_PARAM_INITIATOR_NAME: