X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Ftarget%2Fiscsi%2Fiscsi_target_configfs.c;fp=kernel%2Fdrivers%2Ftarget%2Fiscsi%2Fiscsi_target_configfs.c;h=469fce44ebad50a9efda5345fa6135af733d74ca;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git diff --git a/kernel/drivers/target/iscsi/iscsi_target_configfs.c b/kernel/drivers/target/iscsi/iscsi_target_configfs.c new file mode 100644 index 000000000..469fce44e --- /dev/null +++ b/kernel/drivers/target/iscsi/iscsi_target_configfs.c @@ -0,0 +1,2037 @@ +/******************************************************************************* + * This file contains the configfs implementation for iSCSI Target mode + * from the LIO-Target Project. + * + * (c) Copyright 2007-2013 Datera, Inc. + * + * Author: Nicholas A. Bellinger + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + ****************************************************************************/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include "iscsi_target_parameters.h" +#include "iscsi_target_device.h" +#include "iscsi_target_erl0.h" +#include "iscsi_target_nodeattrib.h" +#include "iscsi_target_tpg.h" +#include "iscsi_target_util.h" +#include "iscsi_target.h" +#include + +struct lio_target_configfs_attribute { + struct configfs_attribute attr; + ssize_t (*show)(void *, char *); + ssize_t (*store)(void *, const char *, size_t); +}; + +/* Start items for lio_target_portal_cit */ + +static ssize_t lio_target_np_show_sctp( + struct se_tpg_np *se_tpg_np, + char *page) +{ + struct iscsi_tpg_np *tpg_np = container_of(se_tpg_np, + struct iscsi_tpg_np, se_tpg_np); + struct iscsi_tpg_np *tpg_np_sctp; + ssize_t rb; + + tpg_np_sctp = iscsit_tpg_locate_child_np(tpg_np, ISCSI_SCTP_TCP); + if (tpg_np_sctp) + rb = sprintf(page, "1\n"); + else + rb = sprintf(page, "0\n"); + + return rb; +} + +static ssize_t lio_target_np_store_sctp( + struct se_tpg_np *se_tpg_np, + const char *page, + size_t count) +{ + struct iscsi_np *np; + struct iscsi_portal_group *tpg; + struct iscsi_tpg_np *tpg_np = container_of(se_tpg_np, + struct iscsi_tpg_np, se_tpg_np); + struct iscsi_tpg_np *tpg_np_sctp = NULL; + u32 op; + int ret; + + ret = kstrtou32(page, 0, &op); + if (ret) + return ret; + if ((op != 1) && (op != 0)) { + pr_err("Illegal value for tpg_enable: %u\n", op); + return -EINVAL; + } + np = tpg_np->tpg_np; + if (!np) { + pr_err("Unable to locate struct iscsi_np from" + " struct iscsi_tpg_np\n"); + return -EINVAL; + } + + tpg = tpg_np->tpg; + if (iscsit_get_tpg(tpg) < 0) + return -EINVAL; + + if (op) { + /* + * Use existing np->np_sockaddr for SCTP network portal reference + */ + tpg_np_sctp = iscsit_tpg_add_network_portal(tpg, &np->np_sockaddr, + np->np_ip, tpg_np, ISCSI_SCTP_TCP); + if (!tpg_np_sctp || IS_ERR(tpg_np_sctp)) + goto out; + } else { + tpg_np_sctp = iscsit_tpg_locate_child_np(tpg_np, ISCSI_SCTP_TCP); + if (!tpg_np_sctp) + goto out; + + ret = iscsit_tpg_del_network_portal(tpg, tpg_np_sctp); + if (ret < 0) + goto out; + } + + iscsit_put_tpg(tpg); + return count; +out: + iscsit_put_tpg(tpg); + return -EINVAL; +} + +TF_NP_BASE_ATTR(lio_target, sctp, S_IRUGO | S_IWUSR); + +static ssize_t lio_target_np_show_iser( + struct se_tpg_np *se_tpg_np, + char *page) +{ + struct iscsi_tpg_np *tpg_np = container_of(se_tpg_np, + struct iscsi_tpg_np, se_tpg_np); + struct iscsi_tpg_np *tpg_np_iser; + ssize_t rb; + + tpg_np_iser = iscsit_tpg_locate_child_np(tpg_np, ISCSI_INFINIBAND); + if (tpg_np_iser) + rb = sprintf(page, "1\n"); + else + rb = sprintf(page, "0\n"); + + return rb; +} + +static ssize_t lio_target_np_store_iser( + struct se_tpg_np *se_tpg_np, + const char *page, + size_t count) +{ + struct iscsi_np *np; + struct iscsi_portal_group *tpg; + struct iscsi_tpg_np *tpg_np = container_of(se_tpg_np, + struct iscsi_tpg_np, se_tpg_np); + struct iscsi_tpg_np *tpg_np_iser = NULL; + char *endptr; + u32 op; + int rc = 0; + + op = simple_strtoul(page, &endptr, 0); + if ((op != 1) && (op != 0)) { + pr_err("Illegal value for tpg_enable: %u\n", op); + return -EINVAL; + } + np = tpg_np->tpg_np; + if (!np) { + pr_err("Unable to locate struct iscsi_np from" + " struct iscsi_tpg_np\n"); + return -EINVAL; + } + + tpg = tpg_np->tpg; + if (iscsit_get_tpg(tpg) < 0) + return -EINVAL; + + if (op) { + rc = request_module("ib_isert"); + if (rc != 0) { + pr_warn("Unable to request_module for ib_isert\n"); + rc = 0; + } + + tpg_np_iser = iscsit_tpg_add_network_portal(tpg, &np->np_sockaddr, + np->np_ip, tpg_np, ISCSI_INFINIBAND); + if (IS_ERR(tpg_np_iser)) { + rc = PTR_ERR(tpg_np_iser); + goto out; + } + } else { + tpg_np_iser = iscsit_tpg_locate_child_np(tpg_np, ISCSI_INFINIBAND); + if (tpg_np_iser) { + rc = iscsit_tpg_del_network_portal(tpg, tpg_np_iser); + if (rc < 0) + goto out; + } + } + + iscsit_put_tpg(tpg); + return count; +out: + iscsit_put_tpg(tpg); + return rc; +} + +TF_NP_BASE_ATTR(lio_target, iser, S_IRUGO | S_IWUSR); + +static struct configfs_attribute *lio_target_portal_attrs[] = { + &lio_target_np_sctp.attr, + &lio_target_np_iser.attr, + NULL, +}; + +/* Stop items for lio_target_portal_cit */ + +/* Start items for lio_target_np_cit */ + +#define MAX_PORTAL_LEN 256 + +static struct se_tpg_np *lio_target_call_addnptotpg( + struct se_portal_group *se_tpg, + struct config_group *group, + const char *name) +{ + struct iscsi_portal_group *tpg; + struct iscsi_tpg_np *tpg_np; + char *str, *str2, *ip_str, *port_str; + struct __kernel_sockaddr_storage sockaddr; + struct sockaddr_in *sock_in; + struct sockaddr_in6 *sock_in6; + unsigned long port; + int ret; + char buf[MAX_PORTAL_LEN + 1]; + + if (strlen(name) > MAX_PORTAL_LEN) { + pr_err("strlen(name): %d exceeds MAX_PORTAL_LEN: %d\n", + (int)strlen(name), MAX_PORTAL_LEN); + return ERR_PTR(-EOVERFLOW); + } + memset(buf, 0, MAX_PORTAL_LEN + 1); + snprintf(buf, MAX_PORTAL_LEN + 1, "%s", name); + + memset(&sockaddr, 0, sizeof(struct __kernel_sockaddr_storage)); + + str = strstr(buf, "["); + if (str) { + const char *end; + + str2 = strstr(str, "]"); + if (!str2) { + pr_err("Unable to locate trailing \"]\"" + " in IPv6 iSCSI network portal address\n"); + return ERR_PTR(-EINVAL); + } + str++; /* Skip over leading "[" */ + *str2 = '\0'; /* Terminate the IPv6 address */ + str2++; /* Skip over the "]" */ + port_str = strstr(str2, ":"); + if (!port_str) { + pr_err("Unable to locate \":port\"" + " in IPv6 iSCSI network portal address\n"); + return ERR_PTR(-EINVAL); + } + *port_str = '\0'; /* Terminate string for IP */ + port_str++; /* Skip over ":" */ + + ret = kstrtoul(port_str, 0, &port); + if (ret < 0) { + pr_err("kstrtoul() failed for port_str: %d\n", ret); + return ERR_PTR(ret); + } + sock_in6 = (struct sockaddr_in6 *)&sockaddr; + sock_in6->sin6_family = AF_INET6; + sock_in6->sin6_port = htons((unsigned short)port); + ret = in6_pton(str, IPV6_ADDRESS_SPACE, + (void *)&sock_in6->sin6_addr.in6_u, -1, &end); + if (ret <= 0) { + pr_err("in6_pton returned: %d\n", ret); + return ERR_PTR(-EINVAL); + } + } else { + str = ip_str = &buf[0]; + port_str = strstr(ip_str, ":"); + if (!port_str) { + pr_err("Unable to locate \":port\"" + " in IPv4 iSCSI network portal address\n"); + return ERR_PTR(-EINVAL); + } + *port_str = '\0'; /* Terminate string for IP */ + port_str++; /* Skip over ":" */ + + ret = kstrtoul(port_str, 0, &port); + if (ret < 0) { + pr_err("kstrtoul() failed for port_str: %d\n", ret); + return ERR_PTR(ret); + } + sock_in = (struct sockaddr_in *)&sockaddr; + sock_in->sin_family = AF_INET; + sock_in->sin_port = htons((unsigned short)port); + sock_in->sin_addr.s_addr = in_aton(ip_str); + } + tpg = container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); + ret = iscsit_get_tpg(tpg); + if (ret < 0) + return ERR_PTR(-EINVAL); + + pr_debug("LIO_Target_ConfigFS: REGISTER -> %s TPGT: %hu" + " PORTAL: %s\n", + config_item_name(&se_tpg->se_tpg_wwn->wwn_group.cg_item), + tpg->tpgt, name); + /* + * Assume ISCSI_TCP by default. Other network portals for other + * iSCSI fabrics: + * + * Traditional iSCSI over SCTP (initial support) + * iSER/TCP (TODO, hardware available) + * iSER/SCTP (TODO, software emulation with osc-iwarp) + * iSER/IB (TODO, hardware available) + * + * can be enabled with attributes under + * sys/kernel/config/iscsi/$IQN/$TPG/np/$IP:$PORT/ + * + */ + tpg_np = iscsit_tpg_add_network_portal(tpg, &sockaddr, str, NULL, + ISCSI_TCP); + if (IS_ERR(tpg_np)) { + iscsit_put_tpg(tpg); + return ERR_CAST(tpg_np); + } + pr_debug("LIO_Target_ConfigFS: addnptotpg done!\n"); + + iscsit_put_tpg(tpg); + return &tpg_np->se_tpg_np; +} + +static void lio_target_call_delnpfromtpg( + struct se_tpg_np *se_tpg_np) +{ + struct iscsi_portal_group *tpg; + struct iscsi_tpg_np *tpg_np; + struct se_portal_group *se_tpg; + int ret; + + tpg_np = container_of(se_tpg_np, struct iscsi_tpg_np, se_tpg_np); + tpg = tpg_np->tpg; + ret = iscsit_get_tpg(tpg); + if (ret < 0) + return; + + se_tpg = &tpg->tpg_se_tpg; + pr_debug("LIO_Target_ConfigFS: DEREGISTER -> %s TPGT: %hu" + " PORTAL: %s:%hu\n", config_item_name(&se_tpg->se_tpg_wwn->wwn_group.cg_item), + tpg->tpgt, tpg_np->tpg_np->np_ip, tpg_np->tpg_np->np_port); + + ret = iscsit_tpg_del_network_portal(tpg, tpg_np); + if (ret < 0) + goto out; + + pr_debug("LIO_Target_ConfigFS: delnpfromtpg done!\n"); +out: + iscsit_put_tpg(tpg); +} + +/* End items for lio_target_np_cit */ + +/* Start items for lio_target_nacl_attrib_cit */ + +#define DEF_NACL_ATTRIB(name) \ +static ssize_t iscsi_nacl_attrib_show_##name( \ + struct se_node_acl *se_nacl, \ + char *page) \ +{ \ + struct iscsi_node_acl *nacl = container_of(se_nacl, struct iscsi_node_acl, \ + se_node_acl); \ + \ + return sprintf(page, "%u\n", nacl->node_attrib.name); \ +} \ + \ +static ssize_t iscsi_nacl_attrib_store_##name( \ + struct se_node_acl *se_nacl, \ + const char *page, \ + size_t count) \ +{ \ + struct iscsi_node_acl *nacl = container_of(se_nacl, struct iscsi_node_acl, \ + se_node_acl); \ + u32 val; \ + int ret; \ + \ + ret = kstrtou32(page, 0, &val); \ + if (ret) \ + return ret; \ + ret = iscsit_na_##name(nacl, val); \ + if (ret < 0) \ + return ret; \ + \ + return count; \ +} + +#define NACL_ATTR(_name, _mode) TF_NACL_ATTRIB_ATTR(iscsi, _name, _mode); +/* + * Define iscsi_node_attrib_s_dataout_timeout + */ +DEF_NACL_ATTRIB(dataout_timeout); +NACL_ATTR(dataout_timeout, S_IRUGO | S_IWUSR); +/* + * Define iscsi_node_attrib_s_dataout_timeout_retries + */ +DEF_NACL_ATTRIB(dataout_timeout_retries); +NACL_ATTR(dataout_timeout_retries, S_IRUGO | S_IWUSR); +/* + * Define iscsi_node_attrib_s_default_erl + */ +DEF_NACL_ATTRIB(default_erl); +NACL_ATTR(default_erl, S_IRUGO | S_IWUSR); +/* + * Define iscsi_node_attrib_s_nopin_timeout + */ +DEF_NACL_ATTRIB(nopin_timeout); +NACL_ATTR(nopin_timeout, S_IRUGO | S_IWUSR); +/* + * Define iscsi_node_attrib_s_nopin_response_timeout + */ +DEF_NACL_ATTRIB(nopin_response_timeout); +NACL_ATTR(nopin_response_timeout, S_IRUGO | S_IWUSR); +/* + * Define iscsi_node_attrib_s_random_datain_pdu_offsets + */ +DEF_NACL_ATTRIB(random_datain_pdu_offsets); +NACL_ATTR(random_datain_pdu_offsets, S_IRUGO | S_IWUSR); +/* + * Define iscsi_node_attrib_s_random_datain_seq_offsets + */ +DEF_NACL_ATTRIB(random_datain_seq_offsets); +NACL_ATTR(random_datain_seq_offsets, S_IRUGO | S_IWUSR); +/* + * Define iscsi_node_attrib_s_random_r2t_offsets + */ +DEF_NACL_ATTRIB(random_r2t_offsets); +NACL_ATTR(random_r2t_offsets, S_IRUGO | S_IWUSR); + +static struct configfs_attribute *lio_target_nacl_attrib_attrs[] = { + &iscsi_nacl_attrib_dataout_timeout.attr, + &iscsi_nacl_attrib_dataout_timeout_retries.attr, + &iscsi_nacl_attrib_default_erl.attr, + &iscsi_nacl_attrib_nopin_timeout.attr, + &iscsi_nacl_attrib_nopin_response_timeout.attr, + &iscsi_nacl_attrib_random_datain_pdu_offsets.attr, + &iscsi_nacl_attrib_random_datain_seq_offsets.attr, + &iscsi_nacl_attrib_random_r2t_offsets.attr, + NULL, +}; + +/* End items for lio_target_nacl_attrib_cit */ + +/* Start items for lio_target_nacl_auth_cit */ + +#define __DEF_NACL_AUTH_STR(prefix, name, flags) \ +static ssize_t __iscsi_##prefix##_show_##name( \ + struct iscsi_node_acl *nacl, \ + char *page) \ +{ \ + struct iscsi_node_auth *auth = &nacl->node_auth; \ + \ + if (!capable(CAP_SYS_ADMIN)) \ + return -EPERM; \ + return snprintf(page, PAGE_SIZE, "%s\n", auth->name); \ +} \ + \ +static ssize_t __iscsi_##prefix##_store_##name( \ + struct iscsi_node_acl *nacl, \ + const char *page, \ + size_t count) \ +{ \ + struct iscsi_node_auth *auth = &nacl->node_auth; \ + \ + if (!capable(CAP_SYS_ADMIN)) \ + return -EPERM; \ + if (count >= sizeof(auth->name)) \ + return -EINVAL; \ + snprintf(auth->name, sizeof(auth->name), "%s", page); \ + if (!strncmp("NULL", auth->name, 4)) \ + auth->naf_flags &= ~flags; \ + else \ + auth->naf_flags |= flags; \ + \ + if ((auth->naf_flags & NAF_USERID_IN_SET) && \ + (auth->naf_flags & NAF_PASSWORD_IN_SET)) \ + auth->authenticate_target = 1; \ + else \ + auth->authenticate_target = 0; \ + \ + return count; \ +} + +#define __DEF_NACL_AUTH_INT(prefix, name) \ +static ssize_t __iscsi_##prefix##_show_##name( \ + struct iscsi_node_acl *nacl, \ + char *page) \ +{ \ + struct iscsi_node_auth *auth = &nacl->node_auth; \ + \ + if (!capable(CAP_SYS_ADMIN)) \ + return -EPERM; \ + \ + return snprintf(page, PAGE_SIZE, "%d\n", auth->name); \ +} + +#define DEF_NACL_AUTH_STR(name, flags) \ + __DEF_NACL_AUTH_STR(nacl_auth, name, flags) \ +static ssize_t iscsi_nacl_auth_show_##name( \ + struct se_node_acl *nacl, \ + char *page) \ +{ \ + return __iscsi_nacl_auth_show_##name(container_of(nacl, \ + struct iscsi_node_acl, se_node_acl), page); \ +} \ +static ssize_t iscsi_nacl_auth_store_##name( \ + struct se_node_acl *nacl, \ + const char *page, \ + size_t count) \ +{ \ + return __iscsi_nacl_auth_store_##name(container_of(nacl, \ + struct iscsi_node_acl, se_node_acl), page, count); \ +} + +#define DEF_NACL_AUTH_INT(name) \ + __DEF_NACL_AUTH_INT(nacl_auth, name) \ +static ssize_t iscsi_nacl_auth_show_##name( \ + struct se_node_acl *nacl, \ + char *page) \ +{ \ + return __iscsi_nacl_auth_show_##name(container_of(nacl, \ + struct iscsi_node_acl, se_node_acl), page); \ +} + +#define AUTH_ATTR(_name, _mode) TF_NACL_AUTH_ATTR(iscsi, _name, _mode); +#define AUTH_ATTR_RO(_name) TF_NACL_AUTH_ATTR_RO(iscsi, _name); + +/* + * One-way authentication userid + */ +DEF_NACL_AUTH_STR(userid, NAF_USERID_SET); +AUTH_ATTR(userid, S_IRUGO | S_IWUSR); +/* + * One-way authentication password + */ +DEF_NACL_AUTH_STR(password, NAF_PASSWORD_SET); +AUTH_ATTR(password, S_IRUGO | S_IWUSR); +/* + * Enforce mutual authentication + */ +DEF_NACL_AUTH_INT(authenticate_target); +AUTH_ATTR_RO(authenticate_target); +/* + * Mutual authentication userid + */ +DEF_NACL_AUTH_STR(userid_mutual, NAF_USERID_IN_SET); +AUTH_ATTR(userid_mutual, S_IRUGO | S_IWUSR); +/* + * Mutual authentication password + */ +DEF_NACL_AUTH_STR(password_mutual, NAF_PASSWORD_IN_SET); +AUTH_ATTR(password_mutual, S_IRUGO | S_IWUSR); + +static struct configfs_attribute *lio_target_nacl_auth_attrs[] = { + &iscsi_nacl_auth_userid.attr, + &iscsi_nacl_auth_password.attr, + &iscsi_nacl_auth_authenticate_target.attr, + &iscsi_nacl_auth_userid_mutual.attr, + &iscsi_nacl_auth_password_mutual.attr, + NULL, +}; + +/* End items for lio_target_nacl_auth_cit */ + +/* Start items for lio_target_nacl_param_cit */ + +#define DEF_NACL_PARAM(name) \ +static ssize_t iscsi_nacl_param_show_##name( \ + struct se_node_acl *se_nacl, \ + char *page) \ +{ \ + struct iscsi_session *sess; \ + struct se_session *se_sess; \ + ssize_t rb; \ + \ + spin_lock_bh(&se_nacl->nacl_sess_lock); \ + se_sess = se_nacl->nacl_sess; \ + if (!se_sess) { \ + rb = snprintf(page, PAGE_SIZE, \ + "No Active iSCSI Session\n"); \ + } else { \ + sess = se_sess->fabric_sess_ptr; \ + rb = snprintf(page, PAGE_SIZE, "%u\n", \ + (u32)sess->sess_ops->name); \ + } \ + spin_unlock_bh(&se_nacl->nacl_sess_lock); \ + \ + return rb; \ +} + +#define NACL_PARAM_ATTR(_name) TF_NACL_PARAM_ATTR_RO(iscsi, _name); + +DEF_NACL_PARAM(MaxConnections); +NACL_PARAM_ATTR(MaxConnections); + +DEF_NACL_PARAM(InitialR2T); +NACL_PARAM_ATTR(InitialR2T); + +DEF_NACL_PARAM(ImmediateData); +NACL_PARAM_ATTR(ImmediateData); + +DEF_NACL_PARAM(MaxBurstLength); +NACL_PARAM_ATTR(MaxBurstLength); + +DEF_NACL_PARAM(FirstBurstLength); +NACL_PARAM_ATTR(FirstBurstLength); + +DEF_NACL_PARAM(DefaultTime2Wait); +NACL_PARAM_ATTR(DefaultTime2Wait); + +DEF_NACL_PARAM(DefaultTime2Retain); +NACL_PARAM_ATTR(DefaultTime2Retain); + +DEF_NACL_PARAM(MaxOutstandingR2T); +NACL_PARAM_ATTR(MaxOutstandingR2T); + +DEF_NACL_PARAM(DataPDUInOrder); +NACL_PARAM_ATTR(DataPDUInOrder); + +DEF_NACL_PARAM(DataSequenceInOrder); +NACL_PARAM_ATTR(DataSequenceInOrder); + +DEF_NACL_PARAM(ErrorRecoveryLevel); +NACL_PARAM_ATTR(ErrorRecoveryLevel); + +static struct configfs_attribute *lio_target_nacl_param_attrs[] = { + &iscsi_nacl_param_MaxConnections.attr, + &iscsi_nacl_param_InitialR2T.attr, + &iscsi_nacl_param_ImmediateData.attr, + &iscsi_nacl_param_MaxBurstLength.attr, + &iscsi_nacl_param_FirstBurstLength.attr, + &iscsi_nacl_param_DefaultTime2Wait.attr, + &iscsi_nacl_param_DefaultTime2Retain.attr, + &iscsi_nacl_param_MaxOutstandingR2T.attr, + &iscsi_nacl_param_DataPDUInOrder.attr, + &iscsi_nacl_param_DataSequenceInOrder.attr, + &iscsi_nacl_param_ErrorRecoveryLevel.attr, + NULL, +}; + +/* End items for lio_target_nacl_param_cit */ + +/* Start items for lio_target_acl_cit */ + +static ssize_t lio_target_nacl_show_info( + struct se_node_acl *se_nacl, + char *page) +{ + struct iscsi_session *sess; + struct iscsi_conn *conn; + struct se_session *se_sess; + ssize_t rb = 0; + + spin_lock_bh(&se_nacl->nacl_sess_lock); + se_sess = se_nacl->nacl_sess; + if (!se_sess) { + rb += sprintf(page+rb, "No active iSCSI Session for Initiator" + " Endpoint: %s\n", se_nacl->initiatorname); + } else { + sess = se_sess->fabric_sess_ptr; + + rb += sprintf(page+rb, "InitiatorName: %s\n", + sess->sess_ops->InitiatorName); + rb += sprintf(page+rb, "InitiatorAlias: %s\n", + sess->sess_ops->InitiatorAlias); + + rb += sprintf(page+rb, + "LIO Session ID: %u ISID: 0x%6ph TSIH: %hu ", + sess->sid, sess->isid, sess->tsih); + rb += sprintf(page+rb, "SessionType: %s\n", + (sess->sess_ops->SessionType) ? + "Discovery" : "Normal"); + rb += sprintf(page+rb, "Session State: "); + switch (sess->session_state) { + case TARG_SESS_STATE_FREE: + rb += sprintf(page+rb, "TARG_SESS_FREE\n"); + break; + case TARG_SESS_STATE_ACTIVE: + rb += sprintf(page+rb, "TARG_SESS_STATE_ACTIVE\n"); + break; + case TARG_SESS_STATE_LOGGED_IN: + rb += sprintf(page+rb, "TARG_SESS_STATE_LOGGED_IN\n"); + break; + case TARG_SESS_STATE_FAILED: + rb += sprintf(page+rb, "TARG_SESS_STATE_FAILED\n"); + break; + case TARG_SESS_STATE_IN_CONTINUE: + rb += sprintf(page+rb, "TARG_SESS_STATE_IN_CONTINUE\n"); + break; + default: + rb += sprintf(page+rb, "ERROR: Unknown Session" + " State!\n"); + break; + } + + rb += sprintf(page+rb, "---------------------[iSCSI Session" + " Values]-----------------------\n"); + rb += sprintf(page+rb, " CmdSN/WR : CmdSN/WC : ExpCmdSN" + " : MaxCmdSN : ITT : TTT\n"); + rb += sprintf(page+rb, " 0x%08x 0x%08x 0x%08x 0x%08x" + " 0x%08x 0x%08x\n", + sess->cmdsn_window, + (sess->max_cmd_sn - sess->exp_cmd_sn) + 1, + sess->exp_cmd_sn, sess->max_cmd_sn, + sess->init_task_tag, sess->targ_xfer_tag); + rb += sprintf(page+rb, "----------------------[iSCSI" + " Connections]-------------------------\n"); + + spin_lock(&sess->conn_lock); + list_for_each_entry(conn, &sess->sess_conn_list, conn_list) { + rb += sprintf(page+rb, "CID: %hu Connection" + " State: ", conn->cid); + switch (conn->conn_state) { + case TARG_CONN_STATE_FREE: + rb += sprintf(page+rb, + "TARG_CONN_STATE_FREE\n"); + break; + case TARG_CONN_STATE_XPT_UP: + rb += sprintf(page+rb, + "TARG_CONN_STATE_XPT_UP\n"); + break; + case TARG_CONN_STATE_IN_LOGIN: + rb += sprintf(page+rb, + "TARG_CONN_STATE_IN_LOGIN\n"); + break; + case TARG_CONN_STATE_LOGGED_IN: + rb += sprintf(page+rb, + "TARG_CONN_STATE_LOGGED_IN\n"); + break; + case TARG_CONN_STATE_IN_LOGOUT: + rb += sprintf(page+rb, + "TARG_CONN_STATE_IN_LOGOUT\n"); + break; + case TARG_CONN_STATE_LOGOUT_REQUESTED: + rb += sprintf(page+rb, + "TARG_CONN_STATE_LOGOUT_REQUESTED\n"); + break; + case TARG_CONN_STATE_CLEANUP_WAIT: + rb += sprintf(page+rb, + "TARG_CONN_STATE_CLEANUP_WAIT\n"); + break; + default: + rb += sprintf(page+rb, + "ERROR: Unknown Connection State!\n"); + break; + } + + rb += sprintf(page+rb, " Address %s %s", conn->login_ip, + (conn->network_transport == ISCSI_TCP) ? + "TCP" : "SCTP"); + rb += sprintf(page+rb, " StatSN: 0x%08x\n", + conn->stat_sn); + } + spin_unlock(&sess->conn_lock); + } + spin_unlock_bh(&se_nacl->nacl_sess_lock); + + return rb; +} + +TF_NACL_BASE_ATTR_RO(lio_target, info); + +static ssize_t lio_target_nacl_show_cmdsn_depth( + struct se_node_acl *se_nacl, + char *page) +{ + return sprintf(page, "%u\n", se_nacl->queue_depth); +} + +static ssize_t lio_target_nacl_store_cmdsn_depth( + struct se_node_acl *se_nacl, + const char *page, + size_t count) +{ + struct se_portal_group *se_tpg = se_nacl->se_tpg; + struct iscsi_portal_group *tpg = container_of(se_tpg, + struct iscsi_portal_group, tpg_se_tpg); + struct config_item *acl_ci, *tpg_ci, *wwn_ci; + u32 cmdsn_depth = 0; + int ret; + + ret = kstrtou32(page, 0, &cmdsn_depth); + if (ret) + return ret; + if (cmdsn_depth > TA_DEFAULT_CMDSN_DEPTH_MAX) { + pr_err("Passed cmdsn_depth: %u exceeds" + " TA_DEFAULT_CMDSN_DEPTH_MAX: %u\n", cmdsn_depth, + TA_DEFAULT_CMDSN_DEPTH_MAX); + return -EINVAL; + } + acl_ci = &se_nacl->acl_group.cg_item; + if (!acl_ci) { + pr_err("Unable to locatel acl_ci\n"); + return -EINVAL; + } + tpg_ci = &acl_ci->ci_parent->ci_group->cg_item; + if (!tpg_ci) { + pr_err("Unable to locate tpg_ci\n"); + return -EINVAL; + } + wwn_ci = &tpg_ci->ci_group->cg_item; + if (!wwn_ci) { + pr_err("Unable to locate config_item wwn_ci\n"); + return -EINVAL; + } + + if (iscsit_get_tpg(tpg) < 0) + return -EINVAL; + /* + * iscsit_tpg_set_initiator_node_queue_depth() assumes force=1 + */ + ret = iscsit_tpg_set_initiator_node_queue_depth(tpg, + config_item_name(acl_ci), cmdsn_depth, 1); + + pr_debug("LIO_Target_ConfigFS: %s/%s Set CmdSN Window: %u for" + "InitiatorName: %s\n", config_item_name(wwn_ci), + config_item_name(tpg_ci), cmdsn_depth, + config_item_name(acl_ci)); + + iscsit_put_tpg(tpg); + return (!ret) ? count : (ssize_t)ret; +} + +TF_NACL_BASE_ATTR(lio_target, cmdsn_depth, S_IRUGO | S_IWUSR); + +static ssize_t lio_target_nacl_show_tag( + struct se_node_acl *se_nacl, + char *page) +{ + return snprintf(page, PAGE_SIZE, "%s", se_nacl->acl_tag); +} + +static ssize_t lio_target_nacl_store_tag( + struct se_node_acl *se_nacl, + const char *page, + size_t count) +{ + int ret; + + ret = core_tpg_set_initiator_node_tag(se_nacl->se_tpg, se_nacl, page); + + if (ret < 0) + return ret; + return count; +} + +TF_NACL_BASE_ATTR(lio_target, tag, S_IRUGO | S_IWUSR); + +static struct configfs_attribute *lio_target_initiator_attrs[] = { + &lio_target_nacl_info.attr, + &lio_target_nacl_cmdsn_depth.attr, + &lio_target_nacl_tag.attr, + NULL, +}; + +static struct se_node_acl *lio_tpg_alloc_fabric_acl( + struct se_portal_group *se_tpg) +{ + struct iscsi_node_acl *acl; + + acl = kzalloc(sizeof(struct iscsi_node_acl), GFP_KERNEL); + if (!acl) { + pr_err("Unable to allocate memory for struct iscsi_node_acl\n"); + return NULL; + } + + return &acl->se_node_acl; +} + +static struct se_node_acl *lio_target_make_nodeacl( + struct se_portal_group *se_tpg, + struct config_group *group, + const char *name) +{ + struct config_group *stats_cg; + struct iscsi_node_acl *acl; + struct se_node_acl *se_nacl_new, *se_nacl; + struct iscsi_portal_group *tpg = container_of(se_tpg, + struct iscsi_portal_group, tpg_se_tpg); + u32 cmdsn_depth; + + se_nacl_new = lio_tpg_alloc_fabric_acl(se_tpg); + if (!se_nacl_new) + return ERR_PTR(-ENOMEM); + + cmdsn_depth = tpg->tpg_attrib.default_cmdsn_depth; + /* + * se_nacl_new may be released by core_tpg_add_initiator_node_acl() + * when converting a NdoeACL from demo mode -> explict + */ + se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new, + name, cmdsn_depth); + if (IS_ERR(se_nacl)) + return se_nacl; + + acl = container_of(se_nacl, struct iscsi_node_acl, se_node_acl); + stats_cg = &se_nacl->acl_fabric_stat_group; + + stats_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2, + GFP_KERNEL); + if (!stats_cg->default_groups) { + pr_err("Unable to allocate memory for" + " stats_cg->default_groups\n"); + core_tpg_del_initiator_node_acl(se_tpg, se_nacl, 1); + kfree(acl); + return ERR_PTR(-ENOMEM); + } + + stats_cg->default_groups[0] = &acl->node_stat_grps.iscsi_sess_stats_group; + stats_cg->default_groups[1] = NULL; + config_group_init_type_name(&acl->node_stat_grps.iscsi_sess_stats_group, + "iscsi_sess_stats", &iscsi_stat_sess_cit); + + return se_nacl; +} + +static void lio_target_drop_nodeacl( + struct se_node_acl *se_nacl) +{ + struct se_portal_group *se_tpg = se_nacl->se_tpg; + struct iscsi_node_acl *acl = container_of(se_nacl, + struct iscsi_node_acl, se_node_acl); + struct config_item *df_item; + struct config_group *stats_cg; + int i; + + stats_cg = &acl->se_node_acl.acl_fabric_stat_group; + for (i = 0; stats_cg->default_groups[i]; i++) { + df_item = &stats_cg->default_groups[i]->cg_item; + stats_cg->default_groups[i] = NULL; + config_item_put(df_item); + } + kfree(stats_cg->default_groups); + + core_tpg_del_initiator_node_acl(se_tpg, se_nacl, 1); + kfree(acl); +} + +/* End items for lio_target_acl_cit */ + +/* Start items for lio_target_tpg_attrib_cit */ + +#define DEF_TPG_ATTRIB(name) \ + \ +static ssize_t iscsi_tpg_attrib_show_##name( \ + struct se_portal_group *se_tpg, \ + char *page) \ +{ \ + struct iscsi_portal_group *tpg = container_of(se_tpg, \ + struct iscsi_portal_group, tpg_se_tpg); \ + ssize_t rb; \ + \ + if (iscsit_get_tpg(tpg) < 0) \ + return -EINVAL; \ + \ + rb = sprintf(page, "%u\n", tpg->tpg_attrib.name); \ + iscsit_put_tpg(tpg); \ + return rb; \ +} \ + \ +static ssize_t iscsi_tpg_attrib_store_##name( \ + struct se_portal_group *se_tpg, \ + const char *page, \ + size_t count) \ +{ \ + struct iscsi_portal_group *tpg = container_of(se_tpg, \ + struct iscsi_portal_group, tpg_se_tpg); \ + u32 val; \ + int ret; \ + \ + if (iscsit_get_tpg(tpg) < 0) \ + return -EINVAL; \ + \ + ret = kstrtou32(page, 0, &val); \ + if (ret) \ + goto out; \ + ret = iscsit_ta_##name(tpg, val); \ + if (ret < 0) \ + goto out; \ + \ + iscsit_put_tpg(tpg); \ + return count; \ +out: \ + iscsit_put_tpg(tpg); \ + return ret; \ +} + +#define TPG_ATTR(_name, _mode) TF_TPG_ATTRIB_ATTR(iscsi, _name, _mode); + +/* + * Define iscsi_tpg_attrib_s_authentication + */ +DEF_TPG_ATTRIB(authentication); +TPG_ATTR(authentication, S_IRUGO | S_IWUSR); +/* + * Define iscsi_tpg_attrib_s_login_timeout + */ +DEF_TPG_ATTRIB(login_timeout); +TPG_ATTR(login_timeout, S_IRUGO | S_IWUSR); +/* + * Define iscsi_tpg_attrib_s_netif_timeout + */ +DEF_TPG_ATTRIB(netif_timeout); +TPG_ATTR(netif_timeout, S_IRUGO | S_IWUSR); +/* + * Define iscsi_tpg_attrib_s_generate_node_acls + */ +DEF_TPG_ATTRIB(generate_node_acls); +TPG_ATTR(generate_node_acls, S_IRUGO | S_IWUSR); +/* + * Define iscsi_tpg_attrib_s_default_cmdsn_depth + */ +DEF_TPG_ATTRIB(default_cmdsn_depth); +TPG_ATTR(default_cmdsn_depth, S_IRUGO | S_IWUSR); +/* + Define iscsi_tpg_attrib_s_cache_dynamic_acls + */ +DEF_TPG_ATTRIB(cache_dynamic_acls); +TPG_ATTR(cache_dynamic_acls, S_IRUGO | S_IWUSR); +/* + * Define iscsi_tpg_attrib_s_demo_mode_write_protect + */ +DEF_TPG_ATTRIB(demo_mode_write_protect); +TPG_ATTR(demo_mode_write_protect, S_IRUGO | S_IWUSR); +/* + * Define iscsi_tpg_attrib_s_prod_mode_write_protect + */ +DEF_TPG_ATTRIB(prod_mode_write_protect); +TPG_ATTR(prod_mode_write_protect, S_IRUGO | S_IWUSR); +/* + * Define iscsi_tpg_attrib_s_demo_mode_discovery, + */ +DEF_TPG_ATTRIB(demo_mode_discovery); +TPG_ATTR(demo_mode_discovery, S_IRUGO | S_IWUSR); +/* + * Define iscsi_tpg_attrib_s_default_erl + */ +DEF_TPG_ATTRIB(default_erl); +TPG_ATTR(default_erl, S_IRUGO | S_IWUSR); +/* + * Define iscsi_tpg_attrib_s_t10_pi + */ +DEF_TPG_ATTRIB(t10_pi); +TPG_ATTR(t10_pi, S_IRUGO | S_IWUSR); +/* + * Define iscsi_tpg_attrib_s_fabric_prot_type + */ +DEF_TPG_ATTRIB(fabric_prot_type); +TPG_ATTR(fabric_prot_type, S_IRUGO | S_IWUSR); + +static struct configfs_attribute *lio_target_tpg_attrib_attrs[] = { + &iscsi_tpg_attrib_authentication.attr, + &iscsi_tpg_attrib_login_timeout.attr, + &iscsi_tpg_attrib_netif_timeout.attr, + &iscsi_tpg_attrib_generate_node_acls.attr, + &iscsi_tpg_attrib_default_cmdsn_depth.attr, + &iscsi_tpg_attrib_cache_dynamic_acls.attr, + &iscsi_tpg_attrib_demo_mode_write_protect.attr, + &iscsi_tpg_attrib_prod_mode_write_protect.attr, + &iscsi_tpg_attrib_demo_mode_discovery.attr, + &iscsi_tpg_attrib_default_erl.attr, + &iscsi_tpg_attrib_t10_pi.attr, + &iscsi_tpg_attrib_fabric_prot_type.attr, + NULL, +}; + +/* End items for lio_target_tpg_attrib_cit */ + +/* Start items for lio_target_tpg_auth_cit */ + +#define __DEF_TPG_AUTH_STR(prefix, name, flags) \ +static ssize_t __iscsi_##prefix##_show_##name( \ + struct se_portal_group *se_tpg, \ + char *page) \ +{ \ + struct iscsi_portal_group *tpg = container_of(se_tpg, \ + struct iscsi_portal_group, tpg_se_tpg); \ + struct iscsi_node_auth *auth = &tpg->tpg_demo_auth; \ + \ + if (!capable(CAP_SYS_ADMIN)) \ + return -EPERM; \ + \ + return snprintf(page, PAGE_SIZE, "%s\n", auth->name); \ +} \ + \ +static ssize_t __iscsi_##prefix##_store_##name( \ + struct se_portal_group *se_tpg, \ + const char *page, \ + size_t count) \ +{ \ + struct iscsi_portal_group *tpg = container_of(se_tpg, \ + struct iscsi_portal_group, tpg_se_tpg); \ + struct iscsi_node_auth *auth = &tpg->tpg_demo_auth; \ + \ + if (!capable(CAP_SYS_ADMIN)) \ + return -EPERM; \ + \ + snprintf(auth->name, sizeof(auth->name), "%s", page); \ + if (!(strncmp("NULL", auth->name, 4))) \ + auth->naf_flags &= ~flags; \ + else \ + auth->naf_flags |= flags; \ + \ + if ((auth->naf_flags & NAF_USERID_IN_SET) && \ + (auth->naf_flags & NAF_PASSWORD_IN_SET)) \ + auth->authenticate_target = 1; \ + else \ + auth->authenticate_target = 0; \ + \ + return count; \ +} + +#define __DEF_TPG_AUTH_INT(prefix, name) \ +static ssize_t __iscsi_##prefix##_show_##name( \ + struct se_portal_group *se_tpg, \ + char *page) \ +{ \ + struct iscsi_portal_group *tpg = container_of(se_tpg, \ + struct iscsi_portal_group, tpg_se_tpg); \ + struct iscsi_node_auth *auth = &tpg->tpg_demo_auth; \ + \ + if (!capable(CAP_SYS_ADMIN)) \ + return -EPERM; \ + \ + return snprintf(page, PAGE_SIZE, "%d\n", auth->name); \ +} + +#define DEF_TPG_AUTH_STR(name, flags) \ + __DEF_TPG_AUTH_STR(tpg_auth, name, flags) \ +static ssize_t iscsi_tpg_auth_show_##name( \ + struct se_portal_group *se_tpg, \ + char *page) \ +{ \ + return __iscsi_tpg_auth_show_##name(se_tpg, page); \ +} \ + \ +static ssize_t iscsi_tpg_auth_store_##name( \ + struct se_portal_group *se_tpg, \ + const char *page, \ + size_t count) \ +{ \ + return __iscsi_tpg_auth_store_##name(se_tpg, page, count); \ +} + +#define DEF_TPG_AUTH_INT(name) \ + __DEF_TPG_AUTH_INT(tpg_auth, name) \ +static ssize_t iscsi_tpg_auth_show_##name( \ + struct se_portal_group *se_tpg, \ + char *page) \ +{ \ + return __iscsi_tpg_auth_show_##name(se_tpg, page); \ +} + +#define TPG_AUTH_ATTR(_name, _mode) TF_TPG_AUTH_ATTR(iscsi, _name, _mode); +#define TPG_AUTH_ATTR_RO(_name) TF_TPG_AUTH_ATTR_RO(iscsi, _name); + +/* + * * One-way authentication userid + * */ +DEF_TPG_AUTH_STR(userid, NAF_USERID_SET); +TPG_AUTH_ATTR(userid, S_IRUGO | S_IWUSR); +/* + * * One-way authentication password + * */ +DEF_TPG_AUTH_STR(password, NAF_PASSWORD_SET); +TPG_AUTH_ATTR(password, S_IRUGO | S_IWUSR); +/* + * * Enforce mutual authentication + * */ +DEF_TPG_AUTH_INT(authenticate_target); +TPG_AUTH_ATTR_RO(authenticate_target); +/* + * * Mutual authentication userid + * */ +DEF_TPG_AUTH_STR(userid_mutual, NAF_USERID_IN_SET); +TPG_AUTH_ATTR(userid_mutual, S_IRUGO | S_IWUSR); +/* + * * Mutual authentication password + * */ +DEF_TPG_AUTH_STR(password_mutual, NAF_PASSWORD_IN_SET); +TPG_AUTH_ATTR(password_mutual, S_IRUGO | S_IWUSR); + +static struct configfs_attribute *lio_target_tpg_auth_attrs[] = { + &iscsi_tpg_auth_userid.attr, + &iscsi_tpg_auth_password.attr, + &iscsi_tpg_auth_authenticate_target.attr, + &iscsi_tpg_auth_userid_mutual.attr, + &iscsi_tpg_auth_password_mutual.attr, + NULL, +}; + +/* End items for lio_target_tpg_auth_cit */ + +/* Start items for lio_target_tpg_param_cit */ + +#define DEF_TPG_PARAM(name) \ +static ssize_t iscsi_tpg_param_show_##name( \ + struct se_portal_group *se_tpg, \ + char *page) \ +{ \ + struct iscsi_portal_group *tpg = container_of(se_tpg, \ + struct iscsi_portal_group, tpg_se_tpg); \ + struct iscsi_param *param; \ + ssize_t rb; \ + \ + if (iscsit_get_tpg(tpg) < 0) \ + return -EINVAL; \ + \ + param = iscsi_find_param_from_key(__stringify(name), \ + tpg->param_list); \ + if (!param) { \ + iscsit_put_tpg(tpg); \ + return -EINVAL; \ + } \ + rb = snprintf(page, PAGE_SIZE, "%s\n", param->value); \ + \ + iscsit_put_tpg(tpg); \ + return rb; \ +} \ +static ssize_t iscsi_tpg_param_store_##name( \ + struct se_portal_group *se_tpg, \ + const char *page, \ + size_t count) \ +{ \ + struct iscsi_portal_group *tpg = container_of(se_tpg, \ + struct iscsi_portal_group, tpg_se_tpg); \ + char *buf; \ + int ret, len; \ + \ + buf = kzalloc(PAGE_SIZE, GFP_KERNEL); \ + if (!buf) \ + return -ENOMEM; \ + len = snprintf(buf, PAGE_SIZE, "%s=%s", __stringify(name), page); \ + if (isspace(buf[len-1])) \ + buf[len-1] = '\0'; /* Kill newline */ \ + \ + if (iscsit_get_tpg(tpg) < 0) { \ + kfree(buf); \ + return -EINVAL; \ + } \ + \ + ret = iscsi_change_param_value(buf, tpg->param_list, 1); \ + if (ret < 0) \ + goto out; \ + \ + kfree(buf); \ + iscsit_put_tpg(tpg); \ + return count; \ +out: \ + kfree(buf); \ + iscsit_put_tpg(tpg); \ + return -EINVAL; \ +} + +#define TPG_PARAM_ATTR(_name, _mode) TF_TPG_PARAM_ATTR(iscsi, _name, _mode); + +DEF_TPG_PARAM(AuthMethod); +TPG_PARAM_ATTR(AuthMethod, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(HeaderDigest); +TPG_PARAM_ATTR(HeaderDigest, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(DataDigest); +TPG_PARAM_ATTR(DataDigest, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(MaxConnections); +TPG_PARAM_ATTR(MaxConnections, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(TargetAlias); +TPG_PARAM_ATTR(TargetAlias, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(InitialR2T); +TPG_PARAM_ATTR(InitialR2T, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(ImmediateData); +TPG_PARAM_ATTR(ImmediateData, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(MaxRecvDataSegmentLength); +TPG_PARAM_ATTR(MaxRecvDataSegmentLength, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(MaxXmitDataSegmentLength); +TPG_PARAM_ATTR(MaxXmitDataSegmentLength, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(MaxBurstLength); +TPG_PARAM_ATTR(MaxBurstLength, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(FirstBurstLength); +TPG_PARAM_ATTR(FirstBurstLength, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(DefaultTime2Wait); +TPG_PARAM_ATTR(DefaultTime2Wait, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(DefaultTime2Retain); +TPG_PARAM_ATTR(DefaultTime2Retain, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(MaxOutstandingR2T); +TPG_PARAM_ATTR(MaxOutstandingR2T, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(DataPDUInOrder); +TPG_PARAM_ATTR(DataPDUInOrder, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(DataSequenceInOrder); +TPG_PARAM_ATTR(DataSequenceInOrder, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(ErrorRecoveryLevel); +TPG_PARAM_ATTR(ErrorRecoveryLevel, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(IFMarker); +TPG_PARAM_ATTR(IFMarker, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(OFMarker); +TPG_PARAM_ATTR(OFMarker, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(IFMarkInt); +TPG_PARAM_ATTR(IFMarkInt, S_IRUGO | S_IWUSR); + +DEF_TPG_PARAM(OFMarkInt); +TPG_PARAM_ATTR(OFMarkInt, S_IRUGO | S_IWUSR); + +static struct configfs_attribute *lio_target_tpg_param_attrs[] = { + &iscsi_tpg_param_AuthMethod.attr, + &iscsi_tpg_param_HeaderDigest.attr, + &iscsi_tpg_param_DataDigest.attr, + &iscsi_tpg_param_MaxConnections.attr, + &iscsi_tpg_param_TargetAlias.attr, + &iscsi_tpg_param_InitialR2T.attr, + &iscsi_tpg_param_ImmediateData.attr, + &iscsi_tpg_param_MaxRecvDataSegmentLength.attr, + &iscsi_tpg_param_MaxXmitDataSegmentLength.attr, + &iscsi_tpg_param_MaxBurstLength.attr, + &iscsi_tpg_param_FirstBurstLength.attr, + &iscsi_tpg_param_DefaultTime2Wait.attr, + &iscsi_tpg_param_DefaultTime2Retain.attr, + &iscsi_tpg_param_MaxOutstandingR2T.attr, + &iscsi_tpg_param_DataPDUInOrder.attr, + &iscsi_tpg_param_DataSequenceInOrder.attr, + &iscsi_tpg_param_ErrorRecoveryLevel.attr, + &iscsi_tpg_param_IFMarker.attr, + &iscsi_tpg_param_OFMarker.attr, + &iscsi_tpg_param_IFMarkInt.attr, + &iscsi_tpg_param_OFMarkInt.attr, + NULL, +}; + +/* End items for lio_target_tpg_param_cit */ + +/* Start items for lio_target_tpg_cit */ + +static ssize_t lio_target_tpg_show_enable( + struct se_portal_group *se_tpg, + char *page) +{ + struct iscsi_portal_group *tpg = container_of(se_tpg, + struct iscsi_portal_group, tpg_se_tpg); + ssize_t len; + + spin_lock(&tpg->tpg_state_lock); + len = sprintf(page, "%d\n", + (tpg->tpg_state == TPG_STATE_ACTIVE) ? 1 : 0); + spin_unlock(&tpg->tpg_state_lock); + + return len; +} + +static ssize_t lio_target_tpg_store_enable( + struct se_portal_group *se_tpg, + const char *page, + size_t count) +{ + struct iscsi_portal_group *tpg = container_of(se_tpg, + struct iscsi_portal_group, tpg_se_tpg); + u32 op; + int ret; + + ret = kstrtou32(page, 0, &op); + if (ret) + return ret; + if ((op != 1) && (op != 0)) { + pr_err("Illegal value for tpg_enable: %u\n", op); + return -EINVAL; + } + + ret = iscsit_get_tpg(tpg); + if (ret < 0) + return -EINVAL; + + if (op) { + ret = iscsit_tpg_enable_portal_group(tpg); + if (ret < 0) + goto out; + } else { + /* + * iscsit_tpg_disable_portal_group() assumes force=1 + */ + ret = iscsit_tpg_disable_portal_group(tpg, 1); + if (ret < 0) + goto out; + } + + iscsit_put_tpg(tpg); + return count; +out: + iscsit_put_tpg(tpg); + return -EINVAL; +} + +TF_TPG_BASE_ATTR(lio_target, enable, S_IRUGO | S_IWUSR); + +static ssize_t lio_target_tpg_show_dynamic_sessions( + struct se_portal_group *se_tpg, + char *page) +{ + return target_show_dynamic_sessions(se_tpg, page); +} + +TF_TPG_BASE_ATTR_RO(lio_target, dynamic_sessions); + +static struct configfs_attribute *lio_target_tpg_attrs[] = { + &lio_target_tpg_enable.attr, + &lio_target_tpg_dynamic_sessions.attr, + NULL, +}; + +/* End items for lio_target_tpg_cit */ + +/* Start items for lio_target_tiqn_cit */ + +static struct se_portal_group *lio_target_tiqn_addtpg( + struct se_wwn *wwn, + struct config_group *group, + const char *name) +{ + struct iscsi_portal_group *tpg; + struct iscsi_tiqn *tiqn; + char *tpgt_str; + int ret; + u16 tpgt; + + tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn); + /* + * Only tpgt_# directory groups can be created below + * target/iscsi/iqn.superturodiskarry/ + */ + tpgt_str = strstr(name, "tpgt_"); + if (!tpgt_str) { + pr_err("Unable to locate \"tpgt_#\" directory" + " group\n"); + return NULL; + } + tpgt_str += 5; /* Skip ahead of "tpgt_" */ + ret = kstrtou16(tpgt_str, 0, &tpgt); + if (ret) + return NULL; + + tpg = iscsit_alloc_portal_group(tiqn, tpgt); + if (!tpg) + return NULL; + + ret = core_tpg_register(&iscsi_ops, wwn, &tpg->tpg_se_tpg, + tpg, TRANSPORT_TPG_TYPE_NORMAL); + if (ret < 0) + return NULL; + + ret = iscsit_tpg_add_portal_group(tiqn, tpg); + if (ret != 0) + goto out; + + pr_debug("LIO_Target_ConfigFS: REGISTER -> %s\n", tiqn->tiqn); + pr_debug("LIO_Target_ConfigFS: REGISTER -> Allocated TPG: %s\n", + name); + return &tpg->tpg_se_tpg; +out: + core_tpg_deregister(&tpg->tpg_se_tpg); + kfree(tpg); + return NULL; +} + +static void lio_target_tiqn_deltpg(struct se_portal_group *se_tpg) +{ + struct iscsi_portal_group *tpg; + struct iscsi_tiqn *tiqn; + + tpg = container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); + tiqn = tpg->tpg_tiqn; + /* + * iscsit_tpg_del_portal_group() assumes force=1 + */ + pr_debug("LIO_Target_ConfigFS: DEREGISTER -> Releasing TPG\n"); + iscsit_tpg_del_portal_group(tiqn, tpg, 1); +} + +/* End items for lio_target_tiqn_cit */ + +/* Start LIO-Target TIQN struct contig_item lio_target_cit */ + +static ssize_t lio_target_wwn_show_attr_lio_version( + struct target_fabric_configfs *tf, + char *page) +{ + return sprintf(page, "Datera Inc. iSCSI Target "ISCSIT_VERSION"\n"); +} + +TF_WWN_ATTR_RO(lio_target, lio_version); + +static struct configfs_attribute *lio_target_wwn_attrs[] = { + &lio_target_wwn_lio_version.attr, + NULL, +}; + +static struct se_wwn *lio_target_call_coreaddtiqn( + struct target_fabric_configfs *tf, + struct config_group *group, + const char *name) +{ + struct config_group *stats_cg; + struct iscsi_tiqn *tiqn; + + tiqn = iscsit_add_tiqn((unsigned char *)name); + if (IS_ERR(tiqn)) + return ERR_CAST(tiqn); + /* + * Setup struct iscsi_wwn_stat_grps for se_wwn->fabric_stat_group. + */ + stats_cg = &tiqn->tiqn_wwn.fabric_stat_group; + + stats_cg->default_groups = kmalloc(sizeof(struct config_group *) * 6, + GFP_KERNEL); + if (!stats_cg->default_groups) { + pr_err("Unable to allocate memory for" + " stats_cg->default_groups\n"); + iscsit_del_tiqn(tiqn); + return ERR_PTR(-ENOMEM); + } + + stats_cg->default_groups[0] = &tiqn->tiqn_stat_grps.iscsi_instance_group; + stats_cg->default_groups[1] = &tiqn->tiqn_stat_grps.iscsi_sess_err_group; + stats_cg->default_groups[2] = &tiqn->tiqn_stat_grps.iscsi_tgt_attr_group; + stats_cg->default_groups[3] = &tiqn->tiqn_stat_grps.iscsi_login_stats_group; + stats_cg->default_groups[4] = &tiqn->tiqn_stat_grps.iscsi_logout_stats_group; + stats_cg->default_groups[5] = NULL; + config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_instance_group, + "iscsi_instance", &iscsi_stat_instance_cit); + config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_sess_err_group, + "iscsi_sess_err", &iscsi_stat_sess_err_cit); + config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_tgt_attr_group, + "iscsi_tgt_attr", &iscsi_stat_tgt_attr_cit); + config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_login_stats_group, + "iscsi_login_stats", &iscsi_stat_login_cit); + config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_logout_stats_group, + "iscsi_logout_stats", &iscsi_stat_logout_cit); + + pr_debug("LIO_Target_ConfigFS: REGISTER -> %s\n", tiqn->tiqn); + pr_debug("LIO_Target_ConfigFS: REGISTER -> Allocated Node:" + " %s\n", name); + return &tiqn->tiqn_wwn; +} + +static void lio_target_call_coredeltiqn( + struct se_wwn *wwn) +{ + struct iscsi_tiqn *tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn); + struct config_item *df_item; + struct config_group *stats_cg; + int i; + + stats_cg = &tiqn->tiqn_wwn.fabric_stat_group; + for (i = 0; stats_cg->default_groups[i]; i++) { + df_item = &stats_cg->default_groups[i]->cg_item; + stats_cg->default_groups[i] = NULL; + config_item_put(df_item); + } + kfree(stats_cg->default_groups); + + pr_debug("LIO_Target_ConfigFS: DEREGISTER -> %s\n", + tiqn->tiqn); + iscsit_del_tiqn(tiqn); +} + +/* End LIO-Target TIQN struct contig_lio_target_cit */ + +/* Start lio_target_discovery_auth_cit */ + +#define DEF_DISC_AUTH_STR(name, flags) \ + __DEF_NACL_AUTH_STR(disc, name, flags) \ +static ssize_t iscsi_disc_show_##name( \ + struct target_fabric_configfs *tf, \ + char *page) \ +{ \ + return __iscsi_disc_show_##name(&iscsit_global->discovery_acl, \ + page); \ +} \ +static ssize_t iscsi_disc_store_##name( \ + struct target_fabric_configfs *tf, \ + const char *page, \ + size_t count) \ +{ \ + return __iscsi_disc_store_##name(&iscsit_global->discovery_acl, \ + page, count); \ +} + +#define DEF_DISC_AUTH_INT(name) \ + __DEF_NACL_AUTH_INT(disc, name) \ +static ssize_t iscsi_disc_show_##name( \ + struct target_fabric_configfs *tf, \ + char *page) \ +{ \ + return __iscsi_disc_show_##name(&iscsit_global->discovery_acl, \ + page); \ +} + +#define DISC_AUTH_ATTR(_name, _mode) TF_DISC_ATTR(iscsi, _name, _mode) +#define DISC_AUTH_ATTR_RO(_name) TF_DISC_ATTR_RO(iscsi, _name) + +/* + * One-way authentication userid + */ +DEF_DISC_AUTH_STR(userid, NAF_USERID_SET); +DISC_AUTH_ATTR(userid, S_IRUGO | S_IWUSR); +/* + * One-way authentication password + */ +DEF_DISC_AUTH_STR(password, NAF_PASSWORD_SET); +DISC_AUTH_ATTR(password, S_IRUGO | S_IWUSR); +/* + * Enforce mutual authentication + */ +DEF_DISC_AUTH_INT(authenticate_target); +DISC_AUTH_ATTR_RO(authenticate_target); +/* + * Mutual authentication userid + */ +DEF_DISC_AUTH_STR(userid_mutual, NAF_USERID_IN_SET); +DISC_AUTH_ATTR(userid_mutual, S_IRUGO | S_IWUSR); +/* + * Mutual authentication password + */ +DEF_DISC_AUTH_STR(password_mutual, NAF_PASSWORD_IN_SET); +DISC_AUTH_ATTR(password_mutual, S_IRUGO | S_IWUSR); + +/* + * enforce_discovery_auth + */ +static ssize_t iscsi_disc_show_enforce_discovery_auth( + struct target_fabric_configfs *tf, + char *page) +{ + struct iscsi_node_auth *discovery_auth = &iscsit_global->discovery_acl.node_auth; + + return sprintf(page, "%d\n", discovery_auth->enforce_discovery_auth); +} + +static ssize_t iscsi_disc_store_enforce_discovery_auth( + struct target_fabric_configfs *tf, + const char *page, + size_t count) +{ + struct iscsi_param *param; + struct iscsi_portal_group *discovery_tpg = iscsit_global->discovery_tpg; + u32 op; + int err; + + err = kstrtou32(page, 0, &op); + if (err) + return -EINVAL; + if ((op != 1) && (op != 0)) { + pr_err("Illegal value for enforce_discovery_auth:" + " %u\n", op); + return -EINVAL; + } + + if (!discovery_tpg) { + pr_err("iscsit_global->discovery_tpg is NULL\n"); + return -EINVAL; + } + + param = iscsi_find_param_from_key(AUTHMETHOD, + discovery_tpg->param_list); + if (!param) + return -EINVAL; + + if (op) { + /* + * Reset the AuthMethod key to CHAP. + */ + if (iscsi_update_param_value(param, CHAP) < 0) + return -EINVAL; + + discovery_tpg->tpg_attrib.authentication = 1; + iscsit_global->discovery_acl.node_auth.enforce_discovery_auth = 1; + pr_debug("LIO-CORE[0] Successfully enabled" + " authentication enforcement for iSCSI" + " Discovery TPG\n"); + } else { + /* + * Reset the AuthMethod key to CHAP,None + */ + if (iscsi_update_param_value(param, "CHAP,None") < 0) + return -EINVAL; + + discovery_tpg->tpg_attrib.authentication = 0; + iscsit_global->discovery_acl.node_auth.enforce_discovery_auth = 0; + pr_debug("LIO-CORE[0] Successfully disabled" + " authentication enforcement for iSCSI" + " Discovery TPG\n"); + } + + return count; +} + +DISC_AUTH_ATTR(enforce_discovery_auth, S_IRUGO | S_IWUSR); + +static struct configfs_attribute *lio_target_discovery_auth_attrs[] = { + &iscsi_disc_userid.attr, + &iscsi_disc_password.attr, + &iscsi_disc_authenticate_target.attr, + &iscsi_disc_userid_mutual.attr, + &iscsi_disc_password_mutual.attr, + &iscsi_disc_enforce_discovery_auth.attr, + NULL, +}; + +/* End lio_target_discovery_auth_cit */ + +/* Start functions for target_core_fabric_ops */ + +static char *iscsi_get_fabric_name(void) +{ + return "iSCSI"; +} + +static u32 iscsi_get_task_tag(struct se_cmd *se_cmd) +{ + struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + + /* only used for printks or comparism with ->ref_task_tag */ + return (__force u32)cmd->init_task_tag; +} + +static int iscsi_get_cmd_state(struct se_cmd *se_cmd) +{ + struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + + return cmd->i_state; +} + +static u32 lio_sess_get_index(struct se_session *se_sess) +{ + struct iscsi_session *sess = se_sess->fabric_sess_ptr; + + return sess->session_index; +} + +static u32 lio_sess_get_initiator_sid( + struct se_session *se_sess, + unsigned char *buf, + u32 size) +{ + struct iscsi_session *sess = se_sess->fabric_sess_ptr; + /* + * iSCSI Initiator Session Identifier from RFC-3720. + */ + return snprintf(buf, size, "%6phN", sess->isid); +} + +static int lio_queue_data_in(struct se_cmd *se_cmd) +{ + struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + + cmd->i_state = ISTATE_SEND_DATAIN; + cmd->conn->conn_transport->iscsit_queue_data_in(cmd->conn, cmd); + + return 0; +} + +static int lio_write_pending(struct se_cmd *se_cmd) +{ + struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + struct iscsi_conn *conn = cmd->conn; + + if (!cmd->immediate_data && !cmd->unsolicited_data) + return conn->conn_transport->iscsit_get_dataout(conn, cmd, false); + + return 0; +} + +static int lio_write_pending_status(struct se_cmd *se_cmd) +{ + struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + int ret; + + spin_lock_bh(&cmd->istate_lock); + ret = !(cmd->cmd_flags & ICF_GOT_LAST_DATAOUT); + spin_unlock_bh(&cmd->istate_lock); + + return ret; +} + +static int lio_queue_status(struct se_cmd *se_cmd) +{ + struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + + cmd->i_state = ISTATE_SEND_STATUS; + + if (cmd->se_cmd.scsi_status || cmd->sense_reason) { + iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); + return 0; + } + cmd->conn->conn_transport->iscsit_queue_status(cmd->conn, cmd); + + return 0; +} + +static void lio_queue_tm_rsp(struct se_cmd *se_cmd) +{ + struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + + cmd->i_state = ISTATE_SEND_TASKMGTRSP; + iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); +} + +static void lio_aborted_task(struct se_cmd *se_cmd) +{ + struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + + cmd->conn->conn_transport->iscsit_aborted_task(cmd->conn, cmd); +} + +static char *lio_tpg_get_endpoint_wwn(struct se_portal_group *se_tpg) +{ + struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; + + return &tpg->tpg_tiqn->tiqn[0]; +} + +static u16 lio_tpg_get_tag(struct se_portal_group *se_tpg) +{ + struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; + + return tpg->tpgt; +} + +static u32 lio_tpg_get_default_depth(struct se_portal_group *se_tpg) +{ + struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; + + return tpg->tpg_attrib.default_cmdsn_depth; +} + +static int lio_tpg_check_demo_mode(struct se_portal_group *se_tpg) +{ + struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; + + return tpg->tpg_attrib.generate_node_acls; +} + +static int lio_tpg_check_demo_mode_cache(struct se_portal_group *se_tpg) +{ + struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; + + return tpg->tpg_attrib.cache_dynamic_acls; +} + +static int lio_tpg_check_demo_mode_write_protect( + struct se_portal_group *se_tpg) +{ + struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; + + return tpg->tpg_attrib.demo_mode_write_protect; +} + +static int lio_tpg_check_prod_mode_write_protect( + struct se_portal_group *se_tpg) +{ + struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; + + return tpg->tpg_attrib.prod_mode_write_protect; +} + +static int lio_tpg_check_prot_fabric_only( + struct se_portal_group *se_tpg) +{ + struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; + /* + * Only report fabric_prot_type if t10_pi has also been enabled + * for incoming ib_isert sessions. + */ + if (!tpg->tpg_attrib.t10_pi) + return 0; + + return tpg->tpg_attrib.fabric_prot_type; +} + +static void lio_tpg_release_fabric_acl( + struct se_portal_group *se_tpg, + struct se_node_acl *se_acl) +{ + struct iscsi_node_acl *acl = container_of(se_acl, + struct iscsi_node_acl, se_node_acl); + kfree(acl); +} + +/* + * Called with spin_lock_bh(struct se_portal_group->session_lock) held.. + * + * Also, this function calls iscsit_inc_session_usage_count() on the + * struct iscsi_session in question. + */ +static int lio_tpg_shutdown_session(struct se_session *se_sess) +{ + struct iscsi_session *sess = se_sess->fabric_sess_ptr; + + spin_lock(&sess->conn_lock); + if (atomic_read(&sess->session_fall_back_to_erl0) || + atomic_read(&sess->session_logout) || + (sess->time2retain_timer_flags & ISCSI_TF_EXPIRED)) { + spin_unlock(&sess->conn_lock); + return 0; + } + atomic_set(&sess->session_reinstatement, 1); + spin_unlock(&sess->conn_lock); + + iscsit_stop_time2retain_timer(sess); + iscsit_stop_session(sess, 1, 1); + + return 1; +} + +/* + * Calls iscsit_dec_session_usage_count() as inverse of + * lio_tpg_shutdown_session() + */ +static void lio_tpg_close_session(struct se_session *se_sess) +{ + struct iscsi_session *sess = se_sess->fabric_sess_ptr; + /* + * If the iSCSI Session for the iSCSI Initiator Node exists, + * forcefully shutdown the iSCSI NEXUS. + */ + iscsit_close_session(sess); +} + +static u32 lio_tpg_get_inst_index(struct se_portal_group *se_tpg) +{ + struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; + + return tpg->tpg_tiqn->tiqn_index; +} + +static void lio_set_default_node_attributes(struct se_node_acl *se_acl) +{ + struct iscsi_node_acl *acl = container_of(se_acl, struct iscsi_node_acl, + se_node_acl); + struct se_portal_group *se_tpg = se_acl->se_tpg; + struct iscsi_portal_group *tpg = container_of(se_tpg, + struct iscsi_portal_group, tpg_se_tpg); + + acl->node_attrib.nacl = acl; + iscsit_set_default_node_attribues(acl, tpg); +} + +static int lio_check_stop_free(struct se_cmd *se_cmd) +{ + return target_put_sess_cmd(se_cmd->se_sess, se_cmd); +} + +static void lio_release_cmd(struct se_cmd *se_cmd) +{ + struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + + pr_debug("Entering lio_release_cmd for se_cmd: %p\n", se_cmd); + iscsit_release_cmd(cmd); +} + +const struct target_core_fabric_ops iscsi_ops = { + .module = THIS_MODULE, + .name = "iscsi", + .get_fabric_name = iscsi_get_fabric_name, + .get_fabric_proto_ident = iscsi_get_fabric_proto_ident, + .tpg_get_wwn = lio_tpg_get_endpoint_wwn, + .tpg_get_tag = lio_tpg_get_tag, + .tpg_get_default_depth = lio_tpg_get_default_depth, + .tpg_get_pr_transport_id = iscsi_get_pr_transport_id, + .tpg_get_pr_transport_id_len = iscsi_get_pr_transport_id_len, + .tpg_parse_pr_out_transport_id = iscsi_parse_pr_out_transport_id, + .tpg_check_demo_mode = lio_tpg_check_demo_mode, + .tpg_check_demo_mode_cache = lio_tpg_check_demo_mode_cache, + .tpg_check_demo_mode_write_protect = + lio_tpg_check_demo_mode_write_protect, + .tpg_check_prod_mode_write_protect = + lio_tpg_check_prod_mode_write_protect, + .tpg_check_prot_fabric_only = &lio_tpg_check_prot_fabric_only, + .tpg_alloc_fabric_acl = lio_tpg_alloc_fabric_acl, + .tpg_release_fabric_acl = lio_tpg_release_fabric_acl, + .tpg_get_inst_index = lio_tpg_get_inst_index, + .check_stop_free = lio_check_stop_free, + .release_cmd = lio_release_cmd, + .shutdown_session = lio_tpg_shutdown_session, + .close_session = lio_tpg_close_session, + .sess_get_index = lio_sess_get_index, + .sess_get_initiator_sid = lio_sess_get_initiator_sid, + .write_pending = lio_write_pending, + .write_pending_status = lio_write_pending_status, + .set_default_node_attributes = lio_set_default_node_attributes, + .get_task_tag = iscsi_get_task_tag, + .get_cmd_state = iscsi_get_cmd_state, + .queue_data_in = lio_queue_data_in, + .queue_status = lio_queue_status, + .queue_tm_rsp = lio_queue_tm_rsp, + .aborted_task = lio_aborted_task, + .fabric_make_wwn = lio_target_call_coreaddtiqn, + .fabric_drop_wwn = lio_target_call_coredeltiqn, + .fabric_make_tpg = lio_target_tiqn_addtpg, + .fabric_drop_tpg = lio_target_tiqn_deltpg, + .fabric_make_np = lio_target_call_addnptotpg, + .fabric_drop_np = lio_target_call_delnpfromtpg, + .fabric_make_nodeacl = lio_target_make_nodeacl, + .fabric_drop_nodeacl = lio_target_drop_nodeacl, + + .tfc_discovery_attrs = lio_target_discovery_auth_attrs, + .tfc_wwn_attrs = lio_target_wwn_attrs, + .tfc_tpg_base_attrs = lio_target_tpg_attrs, + .tfc_tpg_attrib_attrs = lio_target_tpg_attrib_attrs, + .tfc_tpg_auth_attrs = lio_target_tpg_auth_attrs, + .tfc_tpg_param_attrs = lio_target_tpg_param_attrs, + .tfc_tpg_np_base_attrs = lio_target_portal_attrs, + .tfc_tpg_nacl_base_attrs = lio_target_initiator_attrs, + .tfc_tpg_nacl_attrib_attrs = lio_target_nacl_attrib_attrs, + .tfc_tpg_nacl_auth_attrs = lio_target_nacl_auth_attrs, + .tfc_tpg_nacl_param_attrs = lio_target_nacl_param_attrs, +};