1e48354ceSNicholas Bellinger /******************************************************************************* 2e48354ceSNicholas Bellinger * This file contains the configfs implementation for iSCSI Target mode 3e48354ceSNicholas Bellinger * from the LIO-Target Project. 4e48354ceSNicholas Bellinger * 5e48354ceSNicholas Bellinger * \u00a9 Copyright 2007-2011 RisingTide Systems LLC. 6e48354ceSNicholas Bellinger * 7e48354ceSNicholas Bellinger * Licensed to the Linux Foundation under the General Public License (GPL) version 2. 8e48354ceSNicholas Bellinger * 9e48354ceSNicholas Bellinger * Author: Nicholas A. Bellinger <nab@linux-iscsi.org> 10e48354ceSNicholas Bellinger * 11e48354ceSNicholas Bellinger * This program is free software; you can redistribute it and/or modify 12e48354ceSNicholas Bellinger * it under the terms of the GNU General Public License as published by 13e48354ceSNicholas Bellinger * the Free Software Foundation; either version 2 of the License, or 14e48354ceSNicholas Bellinger * (at your option) any later version. 15e48354ceSNicholas Bellinger * 16e48354ceSNicholas Bellinger * This program is distributed in the hope that it will be useful, 17e48354ceSNicholas Bellinger * but WITHOUT ANY WARRANTY; without even the implied warranty of 18e48354ceSNicholas Bellinger * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19e48354ceSNicholas Bellinger * GNU General Public License for more details. 20e48354ceSNicholas Bellinger ****************************************************************************/ 21e48354ceSNicholas Bellinger 22e48354ceSNicholas Bellinger #include <linux/configfs.h> 23c53181afSPaul Gortmaker #include <linux/export.h> 24e48354ceSNicholas Bellinger #include <target/target_core_base.h> 25e48354ceSNicholas Bellinger #include <target/target_core_transport.h> 26e48354ceSNicholas Bellinger #include <target/target_core_fabric_ops.h> 27e48354ceSNicholas Bellinger #include <target/target_core_fabric_configfs.h> 28e48354ceSNicholas Bellinger #include <target/target_core_fabric_lib.h> 29e48354ceSNicholas Bellinger #include <target/target_core_device.h> 30e48354ceSNicholas Bellinger #include <target/target_core_tpg.h> 31e48354ceSNicholas Bellinger #include <target/target_core_configfs.h> 32e48354ceSNicholas Bellinger #include <target/configfs_macros.h> 33e48354ceSNicholas Bellinger 34e48354ceSNicholas Bellinger #include "iscsi_target_core.h" 35e48354ceSNicholas Bellinger #include "iscsi_target_parameters.h" 36e48354ceSNicholas Bellinger #include "iscsi_target_device.h" 37e48354ceSNicholas Bellinger #include "iscsi_target_erl0.h" 38e48354ceSNicholas Bellinger #include "iscsi_target_nodeattrib.h" 39e48354ceSNicholas Bellinger #include "iscsi_target_tpg.h" 40e48354ceSNicholas Bellinger #include "iscsi_target_util.h" 41e48354ceSNicholas Bellinger #include "iscsi_target.h" 42e48354ceSNicholas Bellinger #include "iscsi_target_stat.h" 43e48354ceSNicholas Bellinger #include "iscsi_target_configfs.h" 44e48354ceSNicholas Bellinger 45e48354ceSNicholas Bellinger struct target_fabric_configfs *lio_target_fabric_configfs; 46e48354ceSNicholas Bellinger 47e48354ceSNicholas Bellinger struct lio_target_configfs_attribute { 48e48354ceSNicholas Bellinger struct configfs_attribute attr; 49e48354ceSNicholas Bellinger ssize_t (*show)(void *, char *); 50e48354ceSNicholas Bellinger ssize_t (*store)(void *, const char *, size_t); 51e48354ceSNicholas Bellinger }; 52e48354ceSNicholas Bellinger 53e48354ceSNicholas Bellinger struct iscsi_portal_group *lio_get_tpg_from_tpg_item( 54e48354ceSNicholas Bellinger struct config_item *item, 55e48354ceSNicholas Bellinger struct iscsi_tiqn **tiqn_out) 56e48354ceSNicholas Bellinger { 57e48354ceSNicholas Bellinger struct se_portal_group *se_tpg = container_of(to_config_group(item), 58e48354ceSNicholas Bellinger struct se_portal_group, tpg_group); 59e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg = 60e48354ceSNicholas Bellinger (struct iscsi_portal_group *)se_tpg->se_tpg_fabric_ptr; 61e48354ceSNicholas Bellinger int ret; 62e48354ceSNicholas Bellinger 63e48354ceSNicholas Bellinger if (!tpg) { 64e48354ceSNicholas Bellinger pr_err("Unable to locate struct iscsi_portal_group " 65e48354ceSNicholas Bellinger "pointer\n"); 66e48354ceSNicholas Bellinger return NULL; 67e48354ceSNicholas Bellinger } 68e48354ceSNicholas Bellinger ret = iscsit_get_tpg(tpg); 69e48354ceSNicholas Bellinger if (ret < 0) 70e48354ceSNicholas Bellinger return NULL; 71e48354ceSNicholas Bellinger 72e48354ceSNicholas Bellinger *tiqn_out = tpg->tpg_tiqn; 73e48354ceSNicholas Bellinger return tpg; 74e48354ceSNicholas Bellinger } 75e48354ceSNicholas Bellinger 76e48354ceSNicholas Bellinger /* Start items for lio_target_portal_cit */ 77e48354ceSNicholas Bellinger 78e48354ceSNicholas Bellinger static ssize_t lio_target_np_show_sctp( 79e48354ceSNicholas Bellinger struct se_tpg_np *se_tpg_np, 80e48354ceSNicholas Bellinger char *page) 81e48354ceSNicholas Bellinger { 82e48354ceSNicholas Bellinger struct iscsi_tpg_np *tpg_np = container_of(se_tpg_np, 83e48354ceSNicholas Bellinger struct iscsi_tpg_np, se_tpg_np); 84e48354ceSNicholas Bellinger struct iscsi_tpg_np *tpg_np_sctp; 85e48354ceSNicholas Bellinger ssize_t rb; 86e48354ceSNicholas Bellinger 87e48354ceSNicholas Bellinger tpg_np_sctp = iscsit_tpg_locate_child_np(tpg_np, ISCSI_SCTP_TCP); 88e48354ceSNicholas Bellinger if (tpg_np_sctp) 89e48354ceSNicholas Bellinger rb = sprintf(page, "1\n"); 90e48354ceSNicholas Bellinger else 91e48354ceSNicholas Bellinger rb = sprintf(page, "0\n"); 92e48354ceSNicholas Bellinger 93e48354ceSNicholas Bellinger return rb; 94e48354ceSNicholas Bellinger } 95e48354ceSNicholas Bellinger 96e48354ceSNicholas Bellinger static ssize_t lio_target_np_store_sctp( 97e48354ceSNicholas Bellinger struct se_tpg_np *se_tpg_np, 98e48354ceSNicholas Bellinger const char *page, 99e48354ceSNicholas Bellinger size_t count) 100e48354ceSNicholas Bellinger { 101e48354ceSNicholas Bellinger struct iscsi_np *np; 102e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg; 103e48354ceSNicholas Bellinger struct iscsi_tpg_np *tpg_np = container_of(se_tpg_np, 104e48354ceSNicholas Bellinger struct iscsi_tpg_np, se_tpg_np); 105e48354ceSNicholas Bellinger struct iscsi_tpg_np *tpg_np_sctp = NULL; 106e48354ceSNicholas Bellinger char *endptr; 107e48354ceSNicholas Bellinger u32 op; 108e48354ceSNicholas Bellinger int ret; 109e48354ceSNicholas Bellinger 110e48354ceSNicholas Bellinger op = simple_strtoul(page, &endptr, 0); 111e48354ceSNicholas Bellinger if ((op != 1) && (op != 0)) { 112e48354ceSNicholas Bellinger pr_err("Illegal value for tpg_enable: %u\n", op); 113e48354ceSNicholas Bellinger return -EINVAL; 114e48354ceSNicholas Bellinger } 115e48354ceSNicholas Bellinger np = tpg_np->tpg_np; 116e48354ceSNicholas Bellinger if (!np) { 117e48354ceSNicholas Bellinger pr_err("Unable to locate struct iscsi_np from" 118e48354ceSNicholas Bellinger " struct iscsi_tpg_np\n"); 119e48354ceSNicholas Bellinger return -EINVAL; 120e48354ceSNicholas Bellinger } 121e48354ceSNicholas Bellinger 122e48354ceSNicholas Bellinger tpg = tpg_np->tpg; 123e48354ceSNicholas Bellinger if (iscsit_get_tpg(tpg) < 0) 124e48354ceSNicholas Bellinger return -EINVAL; 125e48354ceSNicholas Bellinger 126e48354ceSNicholas Bellinger if (op) { 127e48354ceSNicholas Bellinger /* 128e48354ceSNicholas Bellinger * Use existing np->np_sockaddr for SCTP network portal reference 129e48354ceSNicholas Bellinger */ 130e48354ceSNicholas Bellinger tpg_np_sctp = iscsit_tpg_add_network_portal(tpg, &np->np_sockaddr, 131e48354ceSNicholas Bellinger np->np_ip, tpg_np, ISCSI_SCTP_TCP); 132e48354ceSNicholas Bellinger if (!tpg_np_sctp || IS_ERR(tpg_np_sctp)) 133e48354ceSNicholas Bellinger goto out; 134e48354ceSNicholas Bellinger } else { 135e48354ceSNicholas Bellinger tpg_np_sctp = iscsit_tpg_locate_child_np(tpg_np, ISCSI_SCTP_TCP); 136e48354ceSNicholas Bellinger if (!tpg_np_sctp) 137e48354ceSNicholas Bellinger goto out; 138e48354ceSNicholas Bellinger 139e48354ceSNicholas Bellinger ret = iscsit_tpg_del_network_portal(tpg, tpg_np_sctp); 140e48354ceSNicholas Bellinger if (ret < 0) 141e48354ceSNicholas Bellinger goto out; 142e48354ceSNicholas Bellinger } 143e48354ceSNicholas Bellinger 144e48354ceSNicholas Bellinger iscsit_put_tpg(tpg); 145e48354ceSNicholas Bellinger return count; 146e48354ceSNicholas Bellinger out: 147e48354ceSNicholas Bellinger iscsit_put_tpg(tpg); 148e48354ceSNicholas Bellinger return -EINVAL; 149e48354ceSNicholas Bellinger } 150e48354ceSNicholas Bellinger 151e48354ceSNicholas Bellinger TF_NP_BASE_ATTR(lio_target, sctp, S_IRUGO | S_IWUSR); 152e48354ceSNicholas Bellinger 153e48354ceSNicholas Bellinger static struct configfs_attribute *lio_target_portal_attrs[] = { 154e48354ceSNicholas Bellinger &lio_target_np_sctp.attr, 155e48354ceSNicholas Bellinger NULL, 156e48354ceSNicholas Bellinger }; 157e48354ceSNicholas Bellinger 158e48354ceSNicholas Bellinger /* Stop items for lio_target_portal_cit */ 159e48354ceSNicholas Bellinger 160e48354ceSNicholas Bellinger /* Start items for lio_target_np_cit */ 161e48354ceSNicholas Bellinger 162e48354ceSNicholas Bellinger #define MAX_PORTAL_LEN 256 163e48354ceSNicholas Bellinger 164e48354ceSNicholas Bellinger struct se_tpg_np *lio_target_call_addnptotpg( 165e48354ceSNicholas Bellinger struct se_portal_group *se_tpg, 166e48354ceSNicholas Bellinger struct config_group *group, 167e48354ceSNicholas Bellinger const char *name) 168e48354ceSNicholas Bellinger { 169e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg; 170e48354ceSNicholas Bellinger struct iscsi_tpg_np *tpg_np; 171e48354ceSNicholas Bellinger char *str, *str2, *ip_str, *port_str; 172e48354ceSNicholas Bellinger struct __kernel_sockaddr_storage sockaddr; 173e48354ceSNicholas Bellinger struct sockaddr_in *sock_in; 174e48354ceSNicholas Bellinger struct sockaddr_in6 *sock_in6; 175e48354ceSNicholas Bellinger unsigned long port; 176e48354ceSNicholas Bellinger int ret; 177e48354ceSNicholas Bellinger char buf[MAX_PORTAL_LEN + 1]; 178e48354ceSNicholas Bellinger 179e48354ceSNicholas Bellinger if (strlen(name) > MAX_PORTAL_LEN) { 180e48354ceSNicholas Bellinger pr_err("strlen(name): %d exceeds MAX_PORTAL_LEN: %d\n", 181e48354ceSNicholas Bellinger (int)strlen(name), MAX_PORTAL_LEN); 182e48354ceSNicholas Bellinger return ERR_PTR(-EOVERFLOW); 183e48354ceSNicholas Bellinger } 184e48354ceSNicholas Bellinger memset(buf, 0, MAX_PORTAL_LEN + 1); 1857bbb654eSNicholas Bellinger snprintf(buf, MAX_PORTAL_LEN + 1, "%s", name); 186e48354ceSNicholas Bellinger 187e48354ceSNicholas Bellinger memset(&sockaddr, 0, sizeof(struct __kernel_sockaddr_storage)); 188e48354ceSNicholas Bellinger 189e48354ceSNicholas Bellinger str = strstr(buf, "["); 190e48354ceSNicholas Bellinger if (str) { 191e48354ceSNicholas Bellinger const char *end; 192e48354ceSNicholas Bellinger 193e48354ceSNicholas Bellinger str2 = strstr(str, "]"); 194e48354ceSNicholas Bellinger if (!str2) { 195e48354ceSNicholas Bellinger pr_err("Unable to locate trailing \"]\"" 196e48354ceSNicholas Bellinger " in IPv6 iSCSI network portal address\n"); 197e48354ceSNicholas Bellinger return ERR_PTR(-EINVAL); 198e48354ceSNicholas Bellinger } 199e48354ceSNicholas Bellinger str++; /* Skip over leading "[" */ 200e48354ceSNicholas Bellinger *str2 = '\0'; /* Terminate the IPv6 address */ 201e48354ceSNicholas Bellinger str2++; /* Skip over the "]" */ 202e48354ceSNicholas Bellinger port_str = strstr(str2, ":"); 203e48354ceSNicholas Bellinger if (!port_str) { 204e48354ceSNicholas Bellinger pr_err("Unable to locate \":port\"" 205e48354ceSNicholas Bellinger " in IPv6 iSCSI network portal address\n"); 206e48354ceSNicholas Bellinger return ERR_PTR(-EINVAL); 207e48354ceSNicholas Bellinger } 208e48354ceSNicholas Bellinger *port_str = '\0'; /* Terminate string for IP */ 209e48354ceSNicholas Bellinger port_str++; /* Skip over ":" */ 210e48354ceSNicholas Bellinger 211e48354ceSNicholas Bellinger ret = strict_strtoul(port_str, 0, &port); 212e48354ceSNicholas Bellinger if (ret < 0) { 213e48354ceSNicholas Bellinger pr_err("strict_strtoul() failed for port_str: %d\n", ret); 214e48354ceSNicholas Bellinger return ERR_PTR(ret); 215e48354ceSNicholas Bellinger } 216e48354ceSNicholas Bellinger sock_in6 = (struct sockaddr_in6 *)&sockaddr; 217e48354ceSNicholas Bellinger sock_in6->sin6_family = AF_INET6; 218e48354ceSNicholas Bellinger sock_in6->sin6_port = htons((unsigned short)port); 219e48354ceSNicholas Bellinger ret = in6_pton(str, IPV6_ADDRESS_SPACE, 220e48354ceSNicholas Bellinger (void *)&sock_in6->sin6_addr.in6_u, -1, &end); 221e48354ceSNicholas Bellinger if (ret <= 0) { 222e48354ceSNicholas Bellinger pr_err("in6_pton returned: %d\n", ret); 223e48354ceSNicholas Bellinger return ERR_PTR(-EINVAL); 224e48354ceSNicholas Bellinger } 225e48354ceSNicholas Bellinger } else { 226e48354ceSNicholas Bellinger str = ip_str = &buf[0]; 227e48354ceSNicholas Bellinger port_str = strstr(ip_str, ":"); 228e48354ceSNicholas Bellinger if (!port_str) { 229e48354ceSNicholas Bellinger pr_err("Unable to locate \":port\"" 230e48354ceSNicholas Bellinger " in IPv4 iSCSI network portal address\n"); 231e48354ceSNicholas Bellinger return ERR_PTR(-EINVAL); 232e48354ceSNicholas Bellinger } 233e48354ceSNicholas Bellinger *port_str = '\0'; /* Terminate string for IP */ 234e48354ceSNicholas Bellinger port_str++; /* Skip over ":" */ 235e48354ceSNicholas Bellinger 236e48354ceSNicholas Bellinger ret = strict_strtoul(port_str, 0, &port); 237e48354ceSNicholas Bellinger if (ret < 0) { 238e48354ceSNicholas Bellinger pr_err("strict_strtoul() failed for port_str: %d\n", ret); 239e48354ceSNicholas Bellinger return ERR_PTR(ret); 240e48354ceSNicholas Bellinger } 241e48354ceSNicholas Bellinger sock_in = (struct sockaddr_in *)&sockaddr; 242e48354ceSNicholas Bellinger sock_in->sin_family = AF_INET; 243e48354ceSNicholas Bellinger sock_in->sin_port = htons((unsigned short)port); 244e48354ceSNicholas Bellinger sock_in->sin_addr.s_addr = in_aton(ip_str); 245e48354ceSNicholas Bellinger } 246e48354ceSNicholas Bellinger tpg = container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); 247e48354ceSNicholas Bellinger ret = iscsit_get_tpg(tpg); 248e48354ceSNicholas Bellinger if (ret < 0) 249e48354ceSNicholas Bellinger return ERR_PTR(-EINVAL); 250e48354ceSNicholas Bellinger 251e48354ceSNicholas Bellinger pr_debug("LIO_Target_ConfigFS: REGISTER -> %s TPGT: %hu" 252e48354ceSNicholas Bellinger " PORTAL: %s\n", 253e48354ceSNicholas Bellinger config_item_name(&se_tpg->se_tpg_wwn->wwn_group.cg_item), 254e48354ceSNicholas Bellinger tpg->tpgt, name); 255e48354ceSNicholas Bellinger /* 256e48354ceSNicholas Bellinger * Assume ISCSI_TCP by default. Other network portals for other 257e48354ceSNicholas Bellinger * iSCSI fabrics: 258e48354ceSNicholas Bellinger * 259e48354ceSNicholas Bellinger * Traditional iSCSI over SCTP (initial support) 260e48354ceSNicholas Bellinger * iSER/TCP (TODO, hardware available) 261e48354ceSNicholas Bellinger * iSER/SCTP (TODO, software emulation with osc-iwarp) 262e48354ceSNicholas Bellinger * iSER/IB (TODO, hardware available) 263e48354ceSNicholas Bellinger * 264e48354ceSNicholas Bellinger * can be enabled with atributes under 265e48354ceSNicholas Bellinger * sys/kernel/config/iscsi/$IQN/$TPG/np/$IP:$PORT/ 266e48354ceSNicholas Bellinger * 267e48354ceSNicholas Bellinger */ 268e48354ceSNicholas Bellinger tpg_np = iscsit_tpg_add_network_portal(tpg, &sockaddr, str, NULL, 269e48354ceSNicholas Bellinger ISCSI_TCP); 270e48354ceSNicholas Bellinger if (IS_ERR(tpg_np)) { 271e48354ceSNicholas Bellinger iscsit_put_tpg(tpg); 272e1750ba2SThomas Meyer return ERR_CAST(tpg_np); 273e48354ceSNicholas Bellinger } 274e48354ceSNicholas Bellinger pr_debug("LIO_Target_ConfigFS: addnptotpg done!\n"); 275e48354ceSNicholas Bellinger 276e48354ceSNicholas Bellinger iscsit_put_tpg(tpg); 277e48354ceSNicholas Bellinger return &tpg_np->se_tpg_np; 278e48354ceSNicholas Bellinger } 279e48354ceSNicholas Bellinger 280e48354ceSNicholas Bellinger static void lio_target_call_delnpfromtpg( 281e48354ceSNicholas Bellinger struct se_tpg_np *se_tpg_np) 282e48354ceSNicholas Bellinger { 283e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg; 284e48354ceSNicholas Bellinger struct iscsi_tpg_np *tpg_np; 285e48354ceSNicholas Bellinger struct se_portal_group *se_tpg; 286e48354ceSNicholas Bellinger int ret; 287e48354ceSNicholas Bellinger 288e48354ceSNicholas Bellinger tpg_np = container_of(se_tpg_np, struct iscsi_tpg_np, se_tpg_np); 289e48354ceSNicholas Bellinger tpg = tpg_np->tpg; 290e48354ceSNicholas Bellinger ret = iscsit_get_tpg(tpg); 291e48354ceSNicholas Bellinger if (ret < 0) 292e48354ceSNicholas Bellinger return; 293e48354ceSNicholas Bellinger 294e48354ceSNicholas Bellinger se_tpg = &tpg->tpg_se_tpg; 295e48354ceSNicholas Bellinger pr_debug("LIO_Target_ConfigFS: DEREGISTER -> %s TPGT: %hu" 296e48354ceSNicholas Bellinger " PORTAL: %s:%hu\n", config_item_name(&se_tpg->se_tpg_wwn->wwn_group.cg_item), 297e48354ceSNicholas Bellinger tpg->tpgt, tpg_np->tpg_np->np_ip, tpg_np->tpg_np->np_port); 298e48354ceSNicholas Bellinger 299e48354ceSNicholas Bellinger ret = iscsit_tpg_del_network_portal(tpg, tpg_np); 300e48354ceSNicholas Bellinger if (ret < 0) 301e48354ceSNicholas Bellinger goto out; 302e48354ceSNicholas Bellinger 303e48354ceSNicholas Bellinger pr_debug("LIO_Target_ConfigFS: delnpfromtpg done!\n"); 304e48354ceSNicholas Bellinger out: 305e48354ceSNicholas Bellinger iscsit_put_tpg(tpg); 306e48354ceSNicholas Bellinger } 307e48354ceSNicholas Bellinger 308e48354ceSNicholas Bellinger /* End items for lio_target_np_cit */ 309e48354ceSNicholas Bellinger 310e48354ceSNicholas Bellinger /* Start items for lio_target_nacl_attrib_cit */ 311e48354ceSNicholas Bellinger 312e48354ceSNicholas Bellinger #define DEF_NACL_ATTRIB(name) \ 313e48354ceSNicholas Bellinger static ssize_t iscsi_nacl_attrib_show_##name( \ 314e48354ceSNicholas Bellinger struct se_node_acl *se_nacl, \ 315e48354ceSNicholas Bellinger char *page) \ 316e48354ceSNicholas Bellinger { \ 317e48354ceSNicholas Bellinger struct iscsi_node_acl *nacl = container_of(se_nacl, struct iscsi_node_acl, \ 318e48354ceSNicholas Bellinger se_node_acl); \ 319e48354ceSNicholas Bellinger \ 320e48354ceSNicholas Bellinger return sprintf(page, "%u\n", ISCSI_NODE_ATTRIB(nacl)->name); \ 321e48354ceSNicholas Bellinger } \ 322e48354ceSNicholas Bellinger \ 323e48354ceSNicholas Bellinger static ssize_t iscsi_nacl_attrib_store_##name( \ 324e48354ceSNicholas Bellinger struct se_node_acl *se_nacl, \ 325e48354ceSNicholas Bellinger const char *page, \ 326e48354ceSNicholas Bellinger size_t count) \ 327e48354ceSNicholas Bellinger { \ 328e48354ceSNicholas Bellinger struct iscsi_node_acl *nacl = container_of(se_nacl, struct iscsi_node_acl, \ 329e48354ceSNicholas Bellinger se_node_acl); \ 330e48354ceSNicholas Bellinger char *endptr; \ 331e48354ceSNicholas Bellinger u32 val; \ 332e48354ceSNicholas Bellinger int ret; \ 333e48354ceSNicholas Bellinger \ 334e48354ceSNicholas Bellinger val = simple_strtoul(page, &endptr, 0); \ 335e48354ceSNicholas Bellinger ret = iscsit_na_##name(nacl, val); \ 336e48354ceSNicholas Bellinger if (ret < 0) \ 337e48354ceSNicholas Bellinger return ret; \ 338e48354ceSNicholas Bellinger \ 339e48354ceSNicholas Bellinger return count; \ 340e48354ceSNicholas Bellinger } 341e48354ceSNicholas Bellinger 342e48354ceSNicholas Bellinger #define NACL_ATTR(_name, _mode) TF_NACL_ATTRIB_ATTR(iscsi, _name, _mode); 343e48354ceSNicholas Bellinger /* 344e48354ceSNicholas Bellinger * Define iscsi_node_attrib_s_dataout_timeout 345e48354ceSNicholas Bellinger */ 346e48354ceSNicholas Bellinger DEF_NACL_ATTRIB(dataout_timeout); 347e48354ceSNicholas Bellinger NACL_ATTR(dataout_timeout, S_IRUGO | S_IWUSR); 348e48354ceSNicholas Bellinger /* 349e48354ceSNicholas Bellinger * Define iscsi_node_attrib_s_dataout_timeout_retries 350e48354ceSNicholas Bellinger */ 351e48354ceSNicholas Bellinger DEF_NACL_ATTRIB(dataout_timeout_retries); 352e48354ceSNicholas Bellinger NACL_ATTR(dataout_timeout_retries, S_IRUGO | S_IWUSR); 353e48354ceSNicholas Bellinger /* 354e48354ceSNicholas Bellinger * Define iscsi_node_attrib_s_default_erl 355e48354ceSNicholas Bellinger */ 356e48354ceSNicholas Bellinger DEF_NACL_ATTRIB(default_erl); 357e48354ceSNicholas Bellinger NACL_ATTR(default_erl, S_IRUGO | S_IWUSR); 358e48354ceSNicholas Bellinger /* 359e48354ceSNicholas Bellinger * Define iscsi_node_attrib_s_nopin_timeout 360e48354ceSNicholas Bellinger */ 361e48354ceSNicholas Bellinger DEF_NACL_ATTRIB(nopin_timeout); 362e48354ceSNicholas Bellinger NACL_ATTR(nopin_timeout, S_IRUGO | S_IWUSR); 363e48354ceSNicholas Bellinger /* 364e48354ceSNicholas Bellinger * Define iscsi_node_attrib_s_nopin_response_timeout 365e48354ceSNicholas Bellinger */ 366e48354ceSNicholas Bellinger DEF_NACL_ATTRIB(nopin_response_timeout); 367e48354ceSNicholas Bellinger NACL_ATTR(nopin_response_timeout, S_IRUGO | S_IWUSR); 368e48354ceSNicholas Bellinger /* 369e48354ceSNicholas Bellinger * Define iscsi_node_attrib_s_random_datain_pdu_offsets 370e48354ceSNicholas Bellinger */ 371e48354ceSNicholas Bellinger DEF_NACL_ATTRIB(random_datain_pdu_offsets); 372e48354ceSNicholas Bellinger NACL_ATTR(random_datain_pdu_offsets, S_IRUGO | S_IWUSR); 373e48354ceSNicholas Bellinger /* 374e48354ceSNicholas Bellinger * Define iscsi_node_attrib_s_random_datain_seq_offsets 375e48354ceSNicholas Bellinger */ 376e48354ceSNicholas Bellinger DEF_NACL_ATTRIB(random_datain_seq_offsets); 377e48354ceSNicholas Bellinger NACL_ATTR(random_datain_seq_offsets, S_IRUGO | S_IWUSR); 378e48354ceSNicholas Bellinger /* 379e48354ceSNicholas Bellinger * Define iscsi_node_attrib_s_random_r2t_offsets 380e48354ceSNicholas Bellinger */ 381e48354ceSNicholas Bellinger DEF_NACL_ATTRIB(random_r2t_offsets); 382e48354ceSNicholas Bellinger NACL_ATTR(random_r2t_offsets, S_IRUGO | S_IWUSR); 383e48354ceSNicholas Bellinger 384e48354ceSNicholas Bellinger static struct configfs_attribute *lio_target_nacl_attrib_attrs[] = { 385e48354ceSNicholas Bellinger &iscsi_nacl_attrib_dataout_timeout.attr, 386e48354ceSNicholas Bellinger &iscsi_nacl_attrib_dataout_timeout_retries.attr, 387e48354ceSNicholas Bellinger &iscsi_nacl_attrib_default_erl.attr, 388e48354ceSNicholas Bellinger &iscsi_nacl_attrib_nopin_timeout.attr, 389e48354ceSNicholas Bellinger &iscsi_nacl_attrib_nopin_response_timeout.attr, 390e48354ceSNicholas Bellinger &iscsi_nacl_attrib_random_datain_pdu_offsets.attr, 391e48354ceSNicholas Bellinger &iscsi_nacl_attrib_random_datain_seq_offsets.attr, 392e48354ceSNicholas Bellinger &iscsi_nacl_attrib_random_r2t_offsets.attr, 393e48354ceSNicholas Bellinger NULL, 394e48354ceSNicholas Bellinger }; 395e48354ceSNicholas Bellinger 396e48354ceSNicholas Bellinger /* End items for lio_target_nacl_attrib_cit */ 397e48354ceSNicholas Bellinger 398e48354ceSNicholas Bellinger /* Start items for lio_target_nacl_auth_cit */ 399e48354ceSNicholas Bellinger 400e48354ceSNicholas Bellinger #define __DEF_NACL_AUTH_STR(prefix, name, flags) \ 401e48354ceSNicholas Bellinger static ssize_t __iscsi_##prefix##_show_##name( \ 402e48354ceSNicholas Bellinger struct iscsi_node_acl *nacl, \ 403e48354ceSNicholas Bellinger char *page) \ 404e48354ceSNicholas Bellinger { \ 405e48354ceSNicholas Bellinger struct iscsi_node_auth *auth = &nacl->node_auth; \ 406e48354ceSNicholas Bellinger \ 407e48354ceSNicholas Bellinger if (!capable(CAP_SYS_ADMIN)) \ 408e48354ceSNicholas Bellinger return -EPERM; \ 409e48354ceSNicholas Bellinger return snprintf(page, PAGE_SIZE, "%s\n", auth->name); \ 410e48354ceSNicholas Bellinger } \ 411e48354ceSNicholas Bellinger \ 412e48354ceSNicholas Bellinger static ssize_t __iscsi_##prefix##_store_##name( \ 413e48354ceSNicholas Bellinger struct iscsi_node_acl *nacl, \ 414e48354ceSNicholas Bellinger const char *page, \ 415e48354ceSNicholas Bellinger size_t count) \ 416e48354ceSNicholas Bellinger { \ 417e48354ceSNicholas Bellinger struct iscsi_node_auth *auth = &nacl->node_auth; \ 418e48354ceSNicholas Bellinger \ 419e48354ceSNicholas Bellinger if (!capable(CAP_SYS_ADMIN)) \ 420e48354ceSNicholas Bellinger return -EPERM; \ 421e48354ceSNicholas Bellinger \ 422e48354ceSNicholas Bellinger snprintf(auth->name, PAGE_SIZE, "%s", page); \ 423e48354ceSNicholas Bellinger if (!strncmp("NULL", auth->name, 4)) \ 424e48354ceSNicholas Bellinger auth->naf_flags &= ~flags; \ 425e48354ceSNicholas Bellinger else \ 426e48354ceSNicholas Bellinger auth->naf_flags |= flags; \ 427e48354ceSNicholas Bellinger \ 428e48354ceSNicholas Bellinger if ((auth->naf_flags & NAF_USERID_IN_SET) && \ 429e48354ceSNicholas Bellinger (auth->naf_flags & NAF_PASSWORD_IN_SET)) \ 430e48354ceSNicholas Bellinger auth->authenticate_target = 1; \ 431e48354ceSNicholas Bellinger else \ 432e48354ceSNicholas Bellinger auth->authenticate_target = 0; \ 433e48354ceSNicholas Bellinger \ 434e48354ceSNicholas Bellinger return count; \ 435e48354ceSNicholas Bellinger } 436e48354ceSNicholas Bellinger 437e48354ceSNicholas Bellinger #define __DEF_NACL_AUTH_INT(prefix, name) \ 438e48354ceSNicholas Bellinger static ssize_t __iscsi_##prefix##_show_##name( \ 439e48354ceSNicholas Bellinger struct iscsi_node_acl *nacl, \ 440e48354ceSNicholas Bellinger char *page) \ 441e48354ceSNicholas Bellinger { \ 442e48354ceSNicholas Bellinger struct iscsi_node_auth *auth = &nacl->node_auth; \ 443e48354ceSNicholas Bellinger \ 444e48354ceSNicholas Bellinger if (!capable(CAP_SYS_ADMIN)) \ 445e48354ceSNicholas Bellinger return -EPERM; \ 446e48354ceSNicholas Bellinger \ 447e48354ceSNicholas Bellinger return snprintf(page, PAGE_SIZE, "%d\n", auth->name); \ 448e48354ceSNicholas Bellinger } 449e48354ceSNicholas Bellinger 450e48354ceSNicholas Bellinger #define DEF_NACL_AUTH_STR(name, flags) \ 451e48354ceSNicholas Bellinger __DEF_NACL_AUTH_STR(nacl_auth, name, flags) \ 452e48354ceSNicholas Bellinger static ssize_t iscsi_nacl_auth_show_##name( \ 453e48354ceSNicholas Bellinger struct se_node_acl *nacl, \ 454e48354ceSNicholas Bellinger char *page) \ 455e48354ceSNicholas Bellinger { \ 456e48354ceSNicholas Bellinger return __iscsi_nacl_auth_show_##name(container_of(nacl, \ 457e48354ceSNicholas Bellinger struct iscsi_node_acl, se_node_acl), page); \ 458e48354ceSNicholas Bellinger } \ 459e48354ceSNicholas Bellinger static ssize_t iscsi_nacl_auth_store_##name( \ 460e48354ceSNicholas Bellinger struct se_node_acl *nacl, \ 461e48354ceSNicholas Bellinger const char *page, \ 462e48354ceSNicholas Bellinger size_t count) \ 463e48354ceSNicholas Bellinger { \ 464e48354ceSNicholas Bellinger return __iscsi_nacl_auth_store_##name(container_of(nacl, \ 465e48354ceSNicholas Bellinger struct iscsi_node_acl, se_node_acl), page, count); \ 466e48354ceSNicholas Bellinger } 467e48354ceSNicholas Bellinger 468e48354ceSNicholas Bellinger #define DEF_NACL_AUTH_INT(name) \ 469e48354ceSNicholas Bellinger __DEF_NACL_AUTH_INT(nacl_auth, name) \ 470e48354ceSNicholas Bellinger static ssize_t iscsi_nacl_auth_show_##name( \ 471e48354ceSNicholas Bellinger struct se_node_acl *nacl, \ 472e48354ceSNicholas Bellinger char *page) \ 473e48354ceSNicholas Bellinger { \ 474e48354ceSNicholas Bellinger return __iscsi_nacl_auth_show_##name(container_of(nacl, \ 475e48354ceSNicholas Bellinger struct iscsi_node_acl, se_node_acl), page); \ 476e48354ceSNicholas Bellinger } 477e48354ceSNicholas Bellinger 478e48354ceSNicholas Bellinger #define AUTH_ATTR(_name, _mode) TF_NACL_AUTH_ATTR(iscsi, _name, _mode); 479e48354ceSNicholas Bellinger #define AUTH_ATTR_RO(_name) TF_NACL_AUTH_ATTR_RO(iscsi, _name); 480e48354ceSNicholas Bellinger 481e48354ceSNicholas Bellinger /* 482e48354ceSNicholas Bellinger * One-way authentication userid 483e48354ceSNicholas Bellinger */ 484e48354ceSNicholas Bellinger DEF_NACL_AUTH_STR(userid, NAF_USERID_SET); 485e48354ceSNicholas Bellinger AUTH_ATTR(userid, S_IRUGO | S_IWUSR); 486e48354ceSNicholas Bellinger /* 487e48354ceSNicholas Bellinger * One-way authentication password 488e48354ceSNicholas Bellinger */ 489e48354ceSNicholas Bellinger DEF_NACL_AUTH_STR(password, NAF_PASSWORD_SET); 490e48354ceSNicholas Bellinger AUTH_ATTR(password, S_IRUGO | S_IWUSR); 491e48354ceSNicholas Bellinger /* 492e48354ceSNicholas Bellinger * Enforce mutual authentication 493e48354ceSNicholas Bellinger */ 494e48354ceSNicholas Bellinger DEF_NACL_AUTH_INT(authenticate_target); 495e48354ceSNicholas Bellinger AUTH_ATTR_RO(authenticate_target); 496e48354ceSNicholas Bellinger /* 497e48354ceSNicholas Bellinger * Mutual authentication userid 498e48354ceSNicholas Bellinger */ 499e48354ceSNicholas Bellinger DEF_NACL_AUTH_STR(userid_mutual, NAF_USERID_IN_SET); 500e48354ceSNicholas Bellinger AUTH_ATTR(userid_mutual, S_IRUGO | S_IWUSR); 501e48354ceSNicholas Bellinger /* 502e48354ceSNicholas Bellinger * Mutual authentication password 503e48354ceSNicholas Bellinger */ 504e48354ceSNicholas Bellinger DEF_NACL_AUTH_STR(password_mutual, NAF_PASSWORD_IN_SET); 505e48354ceSNicholas Bellinger AUTH_ATTR(password_mutual, S_IRUGO | S_IWUSR); 506e48354ceSNicholas Bellinger 507e48354ceSNicholas Bellinger static struct configfs_attribute *lio_target_nacl_auth_attrs[] = { 508e48354ceSNicholas Bellinger &iscsi_nacl_auth_userid.attr, 509e48354ceSNicholas Bellinger &iscsi_nacl_auth_password.attr, 510e48354ceSNicholas Bellinger &iscsi_nacl_auth_authenticate_target.attr, 511e48354ceSNicholas Bellinger &iscsi_nacl_auth_userid_mutual.attr, 512e48354ceSNicholas Bellinger &iscsi_nacl_auth_password_mutual.attr, 513e48354ceSNicholas Bellinger NULL, 514e48354ceSNicholas Bellinger }; 515e48354ceSNicholas Bellinger 516e48354ceSNicholas Bellinger /* End items for lio_target_nacl_auth_cit */ 517e48354ceSNicholas Bellinger 518e48354ceSNicholas Bellinger /* Start items for lio_target_nacl_param_cit */ 519e48354ceSNicholas Bellinger 520e48354ceSNicholas Bellinger #define DEF_NACL_PARAM(name) \ 521e48354ceSNicholas Bellinger static ssize_t iscsi_nacl_param_show_##name( \ 522e48354ceSNicholas Bellinger struct se_node_acl *se_nacl, \ 523e48354ceSNicholas Bellinger char *page) \ 524e48354ceSNicholas Bellinger { \ 525e48354ceSNicholas Bellinger struct iscsi_session *sess; \ 526e48354ceSNicholas Bellinger struct se_session *se_sess; \ 527e48354ceSNicholas Bellinger ssize_t rb; \ 528e48354ceSNicholas Bellinger \ 529e48354ceSNicholas Bellinger spin_lock_bh(&se_nacl->nacl_sess_lock); \ 530e48354ceSNicholas Bellinger se_sess = se_nacl->nacl_sess; \ 531e48354ceSNicholas Bellinger if (!se_sess) { \ 532e48354ceSNicholas Bellinger rb = snprintf(page, PAGE_SIZE, \ 533e48354ceSNicholas Bellinger "No Active iSCSI Session\n"); \ 534e48354ceSNicholas Bellinger } else { \ 535e48354ceSNicholas Bellinger sess = se_sess->fabric_sess_ptr; \ 536e48354ceSNicholas Bellinger rb = snprintf(page, PAGE_SIZE, "%u\n", \ 537e48354ceSNicholas Bellinger (u32)sess->sess_ops->name); \ 538e48354ceSNicholas Bellinger } \ 539e48354ceSNicholas Bellinger spin_unlock_bh(&se_nacl->nacl_sess_lock); \ 540e48354ceSNicholas Bellinger \ 541e48354ceSNicholas Bellinger return rb; \ 542e48354ceSNicholas Bellinger } 543e48354ceSNicholas Bellinger 544e48354ceSNicholas Bellinger #define NACL_PARAM_ATTR(_name) TF_NACL_PARAM_ATTR_RO(iscsi, _name); 545e48354ceSNicholas Bellinger 546e48354ceSNicholas Bellinger DEF_NACL_PARAM(MaxConnections); 547e48354ceSNicholas Bellinger NACL_PARAM_ATTR(MaxConnections); 548e48354ceSNicholas Bellinger 549e48354ceSNicholas Bellinger DEF_NACL_PARAM(InitialR2T); 550e48354ceSNicholas Bellinger NACL_PARAM_ATTR(InitialR2T); 551e48354ceSNicholas Bellinger 552e48354ceSNicholas Bellinger DEF_NACL_PARAM(ImmediateData); 553e48354ceSNicholas Bellinger NACL_PARAM_ATTR(ImmediateData); 554e48354ceSNicholas Bellinger 555e48354ceSNicholas Bellinger DEF_NACL_PARAM(MaxBurstLength); 556e48354ceSNicholas Bellinger NACL_PARAM_ATTR(MaxBurstLength); 557e48354ceSNicholas Bellinger 558e48354ceSNicholas Bellinger DEF_NACL_PARAM(FirstBurstLength); 559e48354ceSNicholas Bellinger NACL_PARAM_ATTR(FirstBurstLength); 560e48354ceSNicholas Bellinger 561e48354ceSNicholas Bellinger DEF_NACL_PARAM(DefaultTime2Wait); 562e48354ceSNicholas Bellinger NACL_PARAM_ATTR(DefaultTime2Wait); 563e48354ceSNicholas Bellinger 564e48354ceSNicholas Bellinger DEF_NACL_PARAM(DefaultTime2Retain); 565e48354ceSNicholas Bellinger NACL_PARAM_ATTR(DefaultTime2Retain); 566e48354ceSNicholas Bellinger 567e48354ceSNicholas Bellinger DEF_NACL_PARAM(MaxOutstandingR2T); 568e48354ceSNicholas Bellinger NACL_PARAM_ATTR(MaxOutstandingR2T); 569e48354ceSNicholas Bellinger 570e48354ceSNicholas Bellinger DEF_NACL_PARAM(DataPDUInOrder); 571e48354ceSNicholas Bellinger NACL_PARAM_ATTR(DataPDUInOrder); 572e48354ceSNicholas Bellinger 573e48354ceSNicholas Bellinger DEF_NACL_PARAM(DataSequenceInOrder); 574e48354ceSNicholas Bellinger NACL_PARAM_ATTR(DataSequenceInOrder); 575e48354ceSNicholas Bellinger 576e48354ceSNicholas Bellinger DEF_NACL_PARAM(ErrorRecoveryLevel); 577e48354ceSNicholas Bellinger NACL_PARAM_ATTR(ErrorRecoveryLevel); 578e48354ceSNicholas Bellinger 579e48354ceSNicholas Bellinger static struct configfs_attribute *lio_target_nacl_param_attrs[] = { 580e48354ceSNicholas Bellinger &iscsi_nacl_param_MaxConnections.attr, 581e48354ceSNicholas Bellinger &iscsi_nacl_param_InitialR2T.attr, 582e48354ceSNicholas Bellinger &iscsi_nacl_param_ImmediateData.attr, 583e48354ceSNicholas Bellinger &iscsi_nacl_param_MaxBurstLength.attr, 584e48354ceSNicholas Bellinger &iscsi_nacl_param_FirstBurstLength.attr, 585e48354ceSNicholas Bellinger &iscsi_nacl_param_DefaultTime2Wait.attr, 586e48354ceSNicholas Bellinger &iscsi_nacl_param_DefaultTime2Retain.attr, 587e48354ceSNicholas Bellinger &iscsi_nacl_param_MaxOutstandingR2T.attr, 588e48354ceSNicholas Bellinger &iscsi_nacl_param_DataPDUInOrder.attr, 589e48354ceSNicholas Bellinger &iscsi_nacl_param_DataSequenceInOrder.attr, 590e48354ceSNicholas Bellinger &iscsi_nacl_param_ErrorRecoveryLevel.attr, 591e48354ceSNicholas Bellinger NULL, 592e48354ceSNicholas Bellinger }; 593e48354ceSNicholas Bellinger 594e48354ceSNicholas Bellinger /* End items for lio_target_nacl_param_cit */ 595e48354ceSNicholas Bellinger 596e48354ceSNicholas Bellinger /* Start items for lio_target_acl_cit */ 597e48354ceSNicholas Bellinger 598e48354ceSNicholas Bellinger static ssize_t lio_target_nacl_show_info( 599e48354ceSNicholas Bellinger struct se_node_acl *se_nacl, 600e48354ceSNicholas Bellinger char *page) 601e48354ceSNicholas Bellinger { 602e48354ceSNicholas Bellinger struct iscsi_session *sess; 603e48354ceSNicholas Bellinger struct iscsi_conn *conn; 604e48354ceSNicholas Bellinger struct se_session *se_sess; 605e48354ceSNicholas Bellinger ssize_t rb = 0; 606e48354ceSNicholas Bellinger 607e48354ceSNicholas Bellinger spin_lock_bh(&se_nacl->nacl_sess_lock); 608e48354ceSNicholas Bellinger se_sess = se_nacl->nacl_sess; 609e48354ceSNicholas Bellinger if (!se_sess) { 610e48354ceSNicholas Bellinger rb += sprintf(page+rb, "No active iSCSI Session for Initiator" 611e48354ceSNicholas Bellinger " Endpoint: %s\n", se_nacl->initiatorname); 612e48354ceSNicholas Bellinger } else { 613e48354ceSNicholas Bellinger sess = se_sess->fabric_sess_ptr; 614e48354ceSNicholas Bellinger 615e48354ceSNicholas Bellinger if (sess->sess_ops->InitiatorName) 616e48354ceSNicholas Bellinger rb += sprintf(page+rb, "InitiatorName: %s\n", 617e48354ceSNicholas Bellinger sess->sess_ops->InitiatorName); 618e48354ceSNicholas Bellinger if (sess->sess_ops->InitiatorAlias) 619e48354ceSNicholas Bellinger rb += sprintf(page+rb, "InitiatorAlias: %s\n", 620e48354ceSNicholas Bellinger sess->sess_ops->InitiatorAlias); 621e48354ceSNicholas Bellinger 622e48354ceSNicholas Bellinger rb += sprintf(page+rb, "LIO Session ID: %u " 623e48354ceSNicholas Bellinger "ISID: 0x%02x %02x %02x %02x %02x %02x " 624e48354ceSNicholas Bellinger "TSIH: %hu ", sess->sid, 625e48354ceSNicholas Bellinger sess->isid[0], sess->isid[1], sess->isid[2], 626e48354ceSNicholas Bellinger sess->isid[3], sess->isid[4], sess->isid[5], 627e48354ceSNicholas Bellinger sess->tsih); 628e48354ceSNicholas Bellinger rb += sprintf(page+rb, "SessionType: %s\n", 629e48354ceSNicholas Bellinger (sess->sess_ops->SessionType) ? 630e48354ceSNicholas Bellinger "Discovery" : "Normal"); 631e48354ceSNicholas Bellinger rb += sprintf(page+rb, "Session State: "); 632e48354ceSNicholas Bellinger switch (sess->session_state) { 633e48354ceSNicholas Bellinger case TARG_SESS_STATE_FREE: 634e48354ceSNicholas Bellinger rb += sprintf(page+rb, "TARG_SESS_FREE\n"); 635e48354ceSNicholas Bellinger break; 636e48354ceSNicholas Bellinger case TARG_SESS_STATE_ACTIVE: 637e48354ceSNicholas Bellinger rb += sprintf(page+rb, "TARG_SESS_STATE_ACTIVE\n"); 638e48354ceSNicholas Bellinger break; 639e48354ceSNicholas Bellinger case TARG_SESS_STATE_LOGGED_IN: 640e48354ceSNicholas Bellinger rb += sprintf(page+rb, "TARG_SESS_STATE_LOGGED_IN\n"); 641e48354ceSNicholas Bellinger break; 642e48354ceSNicholas Bellinger case TARG_SESS_STATE_FAILED: 643e48354ceSNicholas Bellinger rb += sprintf(page+rb, "TARG_SESS_STATE_FAILED\n"); 644e48354ceSNicholas Bellinger break; 645e48354ceSNicholas Bellinger case TARG_SESS_STATE_IN_CONTINUE: 646e48354ceSNicholas Bellinger rb += sprintf(page+rb, "TARG_SESS_STATE_IN_CONTINUE\n"); 647e48354ceSNicholas Bellinger break; 648e48354ceSNicholas Bellinger default: 649e48354ceSNicholas Bellinger rb += sprintf(page+rb, "ERROR: Unknown Session" 650e48354ceSNicholas Bellinger " State!\n"); 651e48354ceSNicholas Bellinger break; 652e48354ceSNicholas Bellinger } 653e48354ceSNicholas Bellinger 654e48354ceSNicholas Bellinger rb += sprintf(page+rb, "---------------------[iSCSI Session" 655e48354ceSNicholas Bellinger " Values]-----------------------\n"); 656e48354ceSNicholas Bellinger rb += sprintf(page+rb, " CmdSN/WR : CmdSN/WC : ExpCmdSN" 657e48354ceSNicholas Bellinger " : MaxCmdSN : ITT : TTT\n"); 658e48354ceSNicholas Bellinger rb += sprintf(page+rb, " 0x%08x 0x%08x 0x%08x 0x%08x" 659e48354ceSNicholas Bellinger " 0x%08x 0x%08x\n", 660e48354ceSNicholas Bellinger sess->cmdsn_window, 661e48354ceSNicholas Bellinger (sess->max_cmd_sn - sess->exp_cmd_sn) + 1, 662e48354ceSNicholas Bellinger sess->exp_cmd_sn, sess->max_cmd_sn, 663e48354ceSNicholas Bellinger sess->init_task_tag, sess->targ_xfer_tag); 664e48354ceSNicholas Bellinger rb += sprintf(page+rb, "----------------------[iSCSI" 665e48354ceSNicholas Bellinger " Connections]-------------------------\n"); 666e48354ceSNicholas Bellinger 667e48354ceSNicholas Bellinger spin_lock(&sess->conn_lock); 668e48354ceSNicholas Bellinger list_for_each_entry(conn, &sess->sess_conn_list, conn_list) { 669e48354ceSNicholas Bellinger rb += sprintf(page+rb, "CID: %hu Connection" 670e48354ceSNicholas Bellinger " State: ", conn->cid); 671e48354ceSNicholas Bellinger switch (conn->conn_state) { 672e48354ceSNicholas Bellinger case TARG_CONN_STATE_FREE: 673e48354ceSNicholas Bellinger rb += sprintf(page+rb, 674e48354ceSNicholas Bellinger "TARG_CONN_STATE_FREE\n"); 675e48354ceSNicholas Bellinger break; 676e48354ceSNicholas Bellinger case TARG_CONN_STATE_XPT_UP: 677e48354ceSNicholas Bellinger rb += sprintf(page+rb, 678e48354ceSNicholas Bellinger "TARG_CONN_STATE_XPT_UP\n"); 679e48354ceSNicholas Bellinger break; 680e48354ceSNicholas Bellinger case TARG_CONN_STATE_IN_LOGIN: 681e48354ceSNicholas Bellinger rb += sprintf(page+rb, 682e48354ceSNicholas Bellinger "TARG_CONN_STATE_IN_LOGIN\n"); 683e48354ceSNicholas Bellinger break; 684e48354ceSNicholas Bellinger case TARG_CONN_STATE_LOGGED_IN: 685e48354ceSNicholas Bellinger rb += sprintf(page+rb, 686e48354ceSNicholas Bellinger "TARG_CONN_STATE_LOGGED_IN\n"); 687e48354ceSNicholas Bellinger break; 688e48354ceSNicholas Bellinger case TARG_CONN_STATE_IN_LOGOUT: 689e48354ceSNicholas Bellinger rb += sprintf(page+rb, 690e48354ceSNicholas Bellinger "TARG_CONN_STATE_IN_LOGOUT\n"); 691e48354ceSNicholas Bellinger break; 692e48354ceSNicholas Bellinger case TARG_CONN_STATE_LOGOUT_REQUESTED: 693e48354ceSNicholas Bellinger rb += sprintf(page+rb, 694e48354ceSNicholas Bellinger "TARG_CONN_STATE_LOGOUT_REQUESTED\n"); 695e48354ceSNicholas Bellinger break; 696e48354ceSNicholas Bellinger case TARG_CONN_STATE_CLEANUP_WAIT: 697e48354ceSNicholas Bellinger rb += sprintf(page+rb, 698e48354ceSNicholas Bellinger "TARG_CONN_STATE_CLEANUP_WAIT\n"); 699e48354ceSNicholas Bellinger break; 700e48354ceSNicholas Bellinger default: 701e48354ceSNicholas Bellinger rb += sprintf(page+rb, 702e48354ceSNicholas Bellinger "ERROR: Unknown Connection State!\n"); 703e48354ceSNicholas Bellinger break; 704e48354ceSNicholas Bellinger } 705e48354ceSNicholas Bellinger 706e48354ceSNicholas Bellinger rb += sprintf(page+rb, " Address %s %s", conn->login_ip, 707e48354ceSNicholas Bellinger (conn->network_transport == ISCSI_TCP) ? 708e48354ceSNicholas Bellinger "TCP" : "SCTP"); 709e48354ceSNicholas Bellinger rb += sprintf(page+rb, " StatSN: 0x%08x\n", 710e48354ceSNicholas Bellinger conn->stat_sn); 711e48354ceSNicholas Bellinger } 712e48354ceSNicholas Bellinger spin_unlock(&sess->conn_lock); 713e48354ceSNicholas Bellinger } 714e48354ceSNicholas Bellinger spin_unlock_bh(&se_nacl->nacl_sess_lock); 715e48354ceSNicholas Bellinger 716e48354ceSNicholas Bellinger return rb; 717e48354ceSNicholas Bellinger } 718e48354ceSNicholas Bellinger 719e48354ceSNicholas Bellinger TF_NACL_BASE_ATTR_RO(lio_target, info); 720e48354ceSNicholas Bellinger 721e48354ceSNicholas Bellinger static ssize_t lio_target_nacl_show_cmdsn_depth( 722e48354ceSNicholas Bellinger struct se_node_acl *se_nacl, 723e48354ceSNicholas Bellinger char *page) 724e48354ceSNicholas Bellinger { 725e48354ceSNicholas Bellinger return sprintf(page, "%u\n", se_nacl->queue_depth); 726e48354ceSNicholas Bellinger } 727e48354ceSNicholas Bellinger 728e48354ceSNicholas Bellinger static ssize_t lio_target_nacl_store_cmdsn_depth( 729e48354ceSNicholas Bellinger struct se_node_acl *se_nacl, 730e48354ceSNicholas Bellinger const char *page, 731e48354ceSNicholas Bellinger size_t count) 732e48354ceSNicholas Bellinger { 733e48354ceSNicholas Bellinger struct se_portal_group *se_tpg = se_nacl->se_tpg; 734e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg = container_of(se_tpg, 735e48354ceSNicholas Bellinger struct iscsi_portal_group, tpg_se_tpg); 736e48354ceSNicholas Bellinger struct config_item *acl_ci, *tpg_ci, *wwn_ci; 737e48354ceSNicholas Bellinger char *endptr; 738e48354ceSNicholas Bellinger u32 cmdsn_depth = 0; 739e48354ceSNicholas Bellinger int ret; 740e48354ceSNicholas Bellinger 741e48354ceSNicholas Bellinger cmdsn_depth = simple_strtoul(page, &endptr, 0); 742e48354ceSNicholas Bellinger if (cmdsn_depth > TA_DEFAULT_CMDSN_DEPTH_MAX) { 743e48354ceSNicholas Bellinger pr_err("Passed cmdsn_depth: %u exceeds" 744e48354ceSNicholas Bellinger " TA_DEFAULT_CMDSN_DEPTH_MAX: %u\n", cmdsn_depth, 745e48354ceSNicholas Bellinger TA_DEFAULT_CMDSN_DEPTH_MAX); 746e48354ceSNicholas Bellinger return -EINVAL; 747e48354ceSNicholas Bellinger } 748e48354ceSNicholas Bellinger acl_ci = &se_nacl->acl_group.cg_item; 749e48354ceSNicholas Bellinger if (!acl_ci) { 750e48354ceSNicholas Bellinger pr_err("Unable to locatel acl_ci\n"); 751e48354ceSNicholas Bellinger return -EINVAL; 752e48354ceSNicholas Bellinger } 753e48354ceSNicholas Bellinger tpg_ci = &acl_ci->ci_parent->ci_group->cg_item; 754e48354ceSNicholas Bellinger if (!tpg_ci) { 755e48354ceSNicholas Bellinger pr_err("Unable to locate tpg_ci\n"); 756e48354ceSNicholas Bellinger return -EINVAL; 757e48354ceSNicholas Bellinger } 758e48354ceSNicholas Bellinger wwn_ci = &tpg_ci->ci_group->cg_item; 759e48354ceSNicholas Bellinger if (!wwn_ci) { 760e48354ceSNicholas Bellinger pr_err("Unable to locate config_item wwn_ci\n"); 761e48354ceSNicholas Bellinger return -EINVAL; 762e48354ceSNicholas Bellinger } 763e48354ceSNicholas Bellinger 764e48354ceSNicholas Bellinger if (iscsit_get_tpg(tpg) < 0) 765e48354ceSNicholas Bellinger return -EINVAL; 766e48354ceSNicholas Bellinger /* 767e48354ceSNicholas Bellinger * iscsit_tpg_set_initiator_node_queue_depth() assumes force=1 768e48354ceSNicholas Bellinger */ 769e48354ceSNicholas Bellinger ret = iscsit_tpg_set_initiator_node_queue_depth(tpg, 770e48354ceSNicholas Bellinger config_item_name(acl_ci), cmdsn_depth, 1); 771e48354ceSNicholas Bellinger 772e48354ceSNicholas Bellinger pr_debug("LIO_Target_ConfigFS: %s/%s Set CmdSN Window: %u for" 773e48354ceSNicholas Bellinger "InitiatorName: %s\n", config_item_name(wwn_ci), 774e48354ceSNicholas Bellinger config_item_name(tpg_ci), cmdsn_depth, 775e48354ceSNicholas Bellinger config_item_name(acl_ci)); 776e48354ceSNicholas Bellinger 777e48354ceSNicholas Bellinger iscsit_put_tpg(tpg); 778e48354ceSNicholas Bellinger return (!ret) ? count : (ssize_t)ret; 779e48354ceSNicholas Bellinger } 780e48354ceSNicholas Bellinger 781e48354ceSNicholas Bellinger TF_NACL_BASE_ATTR(lio_target, cmdsn_depth, S_IRUGO | S_IWUSR); 782e48354ceSNicholas Bellinger 783e48354ceSNicholas Bellinger static struct configfs_attribute *lio_target_initiator_attrs[] = { 784e48354ceSNicholas Bellinger &lio_target_nacl_info.attr, 785e48354ceSNicholas Bellinger &lio_target_nacl_cmdsn_depth.attr, 786e48354ceSNicholas Bellinger NULL, 787e48354ceSNicholas Bellinger }; 788e48354ceSNicholas Bellinger 789e48354ceSNicholas Bellinger static struct se_node_acl *lio_tpg_alloc_fabric_acl( 790e48354ceSNicholas Bellinger struct se_portal_group *se_tpg) 791e48354ceSNicholas Bellinger { 792e48354ceSNicholas Bellinger struct iscsi_node_acl *acl; 793e48354ceSNicholas Bellinger 794e48354ceSNicholas Bellinger acl = kzalloc(sizeof(struct iscsi_node_acl), GFP_KERNEL); 795e48354ceSNicholas Bellinger if (!acl) { 796e48354ceSNicholas Bellinger pr_err("Unable to allocate memory for struct iscsi_node_acl\n"); 797e48354ceSNicholas Bellinger return NULL; 798e48354ceSNicholas Bellinger } 799e48354ceSNicholas Bellinger 800e48354ceSNicholas Bellinger return &acl->se_node_acl; 801e48354ceSNicholas Bellinger } 802e48354ceSNicholas Bellinger 803e48354ceSNicholas Bellinger static struct se_node_acl *lio_target_make_nodeacl( 804e48354ceSNicholas Bellinger struct se_portal_group *se_tpg, 805e48354ceSNicholas Bellinger struct config_group *group, 806e48354ceSNicholas Bellinger const char *name) 807e48354ceSNicholas Bellinger { 808e48354ceSNicholas Bellinger struct config_group *stats_cg; 809e48354ceSNicholas Bellinger struct iscsi_node_acl *acl; 810e48354ceSNicholas Bellinger struct se_node_acl *se_nacl_new, *se_nacl; 811e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg = container_of(se_tpg, 812e48354ceSNicholas Bellinger struct iscsi_portal_group, tpg_se_tpg); 813e48354ceSNicholas Bellinger u32 cmdsn_depth; 814e48354ceSNicholas Bellinger 815e48354ceSNicholas Bellinger se_nacl_new = lio_tpg_alloc_fabric_acl(se_tpg); 816e48354ceSNicholas Bellinger if (!se_nacl_new) 817e48354ceSNicholas Bellinger return ERR_PTR(-ENOMEM); 818e48354ceSNicholas Bellinger 819e48354ceSNicholas Bellinger acl = container_of(se_nacl_new, struct iscsi_node_acl, 820e48354ceSNicholas Bellinger se_node_acl); 821e48354ceSNicholas Bellinger 822e48354ceSNicholas Bellinger cmdsn_depth = ISCSI_TPG_ATTRIB(tpg)->default_cmdsn_depth; 823e48354ceSNicholas Bellinger /* 824e48354ceSNicholas Bellinger * se_nacl_new may be released by core_tpg_add_initiator_node_acl() 825e48354ceSNicholas Bellinger * when converting a NdoeACL from demo mode -> explict 826e48354ceSNicholas Bellinger */ 827e48354ceSNicholas Bellinger se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new, 828e48354ceSNicholas Bellinger name, cmdsn_depth); 829e48354ceSNicholas Bellinger if (IS_ERR(se_nacl)) 830e48354ceSNicholas Bellinger return se_nacl; 831e48354ceSNicholas Bellinger 832e48354ceSNicholas Bellinger stats_cg = &acl->se_node_acl.acl_fabric_stat_group; 833e48354ceSNicholas Bellinger 834e48354ceSNicholas Bellinger stats_cg->default_groups = kzalloc(sizeof(struct config_group) * 2, 835e48354ceSNicholas Bellinger GFP_KERNEL); 836e48354ceSNicholas Bellinger if (!stats_cg->default_groups) { 837e48354ceSNicholas Bellinger pr_err("Unable to allocate memory for" 838e48354ceSNicholas Bellinger " stats_cg->default_groups\n"); 839e48354ceSNicholas Bellinger core_tpg_del_initiator_node_acl(se_tpg, se_nacl, 1); 840e48354ceSNicholas Bellinger kfree(acl); 841e48354ceSNicholas Bellinger return ERR_PTR(-ENOMEM); 842e48354ceSNicholas Bellinger } 843e48354ceSNicholas Bellinger 844e48354ceSNicholas Bellinger stats_cg->default_groups[0] = &NODE_STAT_GRPS(acl)->iscsi_sess_stats_group; 845e48354ceSNicholas Bellinger stats_cg->default_groups[1] = NULL; 846e48354ceSNicholas Bellinger config_group_init_type_name(&NODE_STAT_GRPS(acl)->iscsi_sess_stats_group, 847e48354ceSNicholas Bellinger "iscsi_sess_stats", &iscsi_stat_sess_cit); 848e48354ceSNicholas Bellinger 849e48354ceSNicholas Bellinger return se_nacl; 850e48354ceSNicholas Bellinger } 851e48354ceSNicholas Bellinger 852e48354ceSNicholas Bellinger static void lio_target_drop_nodeacl( 853e48354ceSNicholas Bellinger struct se_node_acl *se_nacl) 854e48354ceSNicholas Bellinger { 855e48354ceSNicholas Bellinger struct se_portal_group *se_tpg = se_nacl->se_tpg; 856e48354ceSNicholas Bellinger struct iscsi_node_acl *acl = container_of(se_nacl, 857e48354ceSNicholas Bellinger struct iscsi_node_acl, se_node_acl); 858e48354ceSNicholas Bellinger struct config_item *df_item; 859e48354ceSNicholas Bellinger struct config_group *stats_cg; 860e48354ceSNicholas Bellinger int i; 861e48354ceSNicholas Bellinger 862e48354ceSNicholas Bellinger stats_cg = &acl->se_node_acl.acl_fabric_stat_group; 863e48354ceSNicholas Bellinger for (i = 0; stats_cg->default_groups[i]; i++) { 864e48354ceSNicholas Bellinger df_item = &stats_cg->default_groups[i]->cg_item; 865e48354ceSNicholas Bellinger stats_cg->default_groups[i] = NULL; 866e48354ceSNicholas Bellinger config_item_put(df_item); 867e48354ceSNicholas Bellinger } 868e48354ceSNicholas Bellinger kfree(stats_cg->default_groups); 869e48354ceSNicholas Bellinger 870e48354ceSNicholas Bellinger core_tpg_del_initiator_node_acl(se_tpg, se_nacl, 1); 871e48354ceSNicholas Bellinger kfree(acl); 872e48354ceSNicholas Bellinger } 873e48354ceSNicholas Bellinger 874e48354ceSNicholas Bellinger /* End items for lio_target_acl_cit */ 875e48354ceSNicholas Bellinger 876e48354ceSNicholas Bellinger /* Start items for lio_target_tpg_attrib_cit */ 877e48354ceSNicholas Bellinger 878e48354ceSNicholas Bellinger #define DEF_TPG_ATTRIB(name) \ 879e48354ceSNicholas Bellinger \ 880e48354ceSNicholas Bellinger static ssize_t iscsi_tpg_attrib_show_##name( \ 881e48354ceSNicholas Bellinger struct se_portal_group *se_tpg, \ 882e48354ceSNicholas Bellinger char *page) \ 883e48354ceSNicholas Bellinger { \ 884e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg = container_of(se_tpg, \ 885e48354ceSNicholas Bellinger struct iscsi_portal_group, tpg_se_tpg); \ 886e48354ceSNicholas Bellinger ssize_t rb; \ 887e48354ceSNicholas Bellinger \ 888e48354ceSNicholas Bellinger if (iscsit_get_tpg(tpg) < 0) \ 889e48354ceSNicholas Bellinger return -EINVAL; \ 890e48354ceSNicholas Bellinger \ 891e48354ceSNicholas Bellinger rb = sprintf(page, "%u\n", ISCSI_TPG_ATTRIB(tpg)->name); \ 892e48354ceSNicholas Bellinger iscsit_put_tpg(tpg); \ 893e48354ceSNicholas Bellinger return rb; \ 894e48354ceSNicholas Bellinger } \ 895e48354ceSNicholas Bellinger \ 896e48354ceSNicholas Bellinger static ssize_t iscsi_tpg_attrib_store_##name( \ 897e48354ceSNicholas Bellinger struct se_portal_group *se_tpg, \ 898e48354ceSNicholas Bellinger const char *page, \ 899e48354ceSNicholas Bellinger size_t count) \ 900e48354ceSNicholas Bellinger { \ 901e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg = container_of(se_tpg, \ 902e48354ceSNicholas Bellinger struct iscsi_portal_group, tpg_se_tpg); \ 903e48354ceSNicholas Bellinger char *endptr; \ 904e48354ceSNicholas Bellinger u32 val; \ 905e48354ceSNicholas Bellinger int ret; \ 906e48354ceSNicholas Bellinger \ 907e48354ceSNicholas Bellinger if (iscsit_get_tpg(tpg) < 0) \ 908e48354ceSNicholas Bellinger return -EINVAL; \ 909e48354ceSNicholas Bellinger \ 910e48354ceSNicholas Bellinger val = simple_strtoul(page, &endptr, 0); \ 911e48354ceSNicholas Bellinger ret = iscsit_ta_##name(tpg, val); \ 912e48354ceSNicholas Bellinger if (ret < 0) \ 913e48354ceSNicholas Bellinger goto out; \ 914e48354ceSNicholas Bellinger \ 915e48354ceSNicholas Bellinger iscsit_put_tpg(tpg); \ 916e48354ceSNicholas Bellinger return count; \ 917e48354ceSNicholas Bellinger out: \ 918e48354ceSNicholas Bellinger iscsit_put_tpg(tpg); \ 919e48354ceSNicholas Bellinger return ret; \ 920e48354ceSNicholas Bellinger } 921e48354ceSNicholas Bellinger 922e48354ceSNicholas Bellinger #define TPG_ATTR(_name, _mode) TF_TPG_ATTRIB_ATTR(iscsi, _name, _mode); 923e48354ceSNicholas Bellinger 924e48354ceSNicholas Bellinger /* 925e48354ceSNicholas Bellinger * Define iscsi_tpg_attrib_s_authentication 926e48354ceSNicholas Bellinger */ 927e48354ceSNicholas Bellinger DEF_TPG_ATTRIB(authentication); 928e48354ceSNicholas Bellinger TPG_ATTR(authentication, S_IRUGO | S_IWUSR); 929e48354ceSNicholas Bellinger /* 930e48354ceSNicholas Bellinger * Define iscsi_tpg_attrib_s_login_timeout 931e48354ceSNicholas Bellinger */ 932e48354ceSNicholas Bellinger DEF_TPG_ATTRIB(login_timeout); 933e48354ceSNicholas Bellinger TPG_ATTR(login_timeout, S_IRUGO | S_IWUSR); 934e48354ceSNicholas Bellinger /* 935e48354ceSNicholas Bellinger * Define iscsi_tpg_attrib_s_netif_timeout 936e48354ceSNicholas Bellinger */ 937e48354ceSNicholas Bellinger DEF_TPG_ATTRIB(netif_timeout); 938e48354ceSNicholas Bellinger TPG_ATTR(netif_timeout, S_IRUGO | S_IWUSR); 939e48354ceSNicholas Bellinger /* 940e48354ceSNicholas Bellinger * Define iscsi_tpg_attrib_s_generate_node_acls 941e48354ceSNicholas Bellinger */ 942e48354ceSNicholas Bellinger DEF_TPG_ATTRIB(generate_node_acls); 943e48354ceSNicholas Bellinger TPG_ATTR(generate_node_acls, S_IRUGO | S_IWUSR); 944e48354ceSNicholas Bellinger /* 945e48354ceSNicholas Bellinger * Define iscsi_tpg_attrib_s_default_cmdsn_depth 946e48354ceSNicholas Bellinger */ 947e48354ceSNicholas Bellinger DEF_TPG_ATTRIB(default_cmdsn_depth); 948e48354ceSNicholas Bellinger TPG_ATTR(default_cmdsn_depth, S_IRUGO | S_IWUSR); 949e48354ceSNicholas Bellinger /* 950e48354ceSNicholas Bellinger Define iscsi_tpg_attrib_s_cache_dynamic_acls 951e48354ceSNicholas Bellinger */ 952e48354ceSNicholas Bellinger DEF_TPG_ATTRIB(cache_dynamic_acls); 953e48354ceSNicholas Bellinger TPG_ATTR(cache_dynamic_acls, S_IRUGO | S_IWUSR); 954e48354ceSNicholas Bellinger /* 955e48354ceSNicholas Bellinger * Define iscsi_tpg_attrib_s_demo_mode_write_protect 956e48354ceSNicholas Bellinger */ 957e48354ceSNicholas Bellinger DEF_TPG_ATTRIB(demo_mode_write_protect); 958e48354ceSNicholas Bellinger TPG_ATTR(demo_mode_write_protect, S_IRUGO | S_IWUSR); 959e48354ceSNicholas Bellinger /* 960e48354ceSNicholas Bellinger * Define iscsi_tpg_attrib_s_prod_mode_write_protect 961e48354ceSNicholas Bellinger */ 962e48354ceSNicholas Bellinger DEF_TPG_ATTRIB(prod_mode_write_protect); 963e48354ceSNicholas Bellinger TPG_ATTR(prod_mode_write_protect, S_IRUGO | S_IWUSR); 964e48354ceSNicholas Bellinger 965e48354ceSNicholas Bellinger static struct configfs_attribute *lio_target_tpg_attrib_attrs[] = { 966e48354ceSNicholas Bellinger &iscsi_tpg_attrib_authentication.attr, 967e48354ceSNicholas Bellinger &iscsi_tpg_attrib_login_timeout.attr, 968e48354ceSNicholas Bellinger &iscsi_tpg_attrib_netif_timeout.attr, 969e48354ceSNicholas Bellinger &iscsi_tpg_attrib_generate_node_acls.attr, 970e48354ceSNicholas Bellinger &iscsi_tpg_attrib_default_cmdsn_depth.attr, 971e48354ceSNicholas Bellinger &iscsi_tpg_attrib_cache_dynamic_acls.attr, 972e48354ceSNicholas Bellinger &iscsi_tpg_attrib_demo_mode_write_protect.attr, 973e48354ceSNicholas Bellinger &iscsi_tpg_attrib_prod_mode_write_protect.attr, 974e48354ceSNicholas Bellinger NULL, 975e48354ceSNicholas Bellinger }; 976e48354ceSNicholas Bellinger 977e48354ceSNicholas Bellinger /* End items for lio_target_tpg_attrib_cit */ 978e48354ceSNicholas Bellinger 979e48354ceSNicholas Bellinger /* Start items for lio_target_tpg_param_cit */ 980e48354ceSNicholas Bellinger 981e48354ceSNicholas Bellinger #define DEF_TPG_PARAM(name) \ 982e48354ceSNicholas Bellinger static ssize_t iscsi_tpg_param_show_##name( \ 983e48354ceSNicholas Bellinger struct se_portal_group *se_tpg, \ 984e48354ceSNicholas Bellinger char *page) \ 985e48354ceSNicholas Bellinger { \ 986e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg = container_of(se_tpg, \ 987e48354ceSNicholas Bellinger struct iscsi_portal_group, tpg_se_tpg); \ 988e48354ceSNicholas Bellinger struct iscsi_param *param; \ 989e48354ceSNicholas Bellinger ssize_t rb; \ 990e48354ceSNicholas Bellinger \ 991e48354ceSNicholas Bellinger if (iscsit_get_tpg(tpg) < 0) \ 992e48354ceSNicholas Bellinger return -EINVAL; \ 993e48354ceSNicholas Bellinger \ 994e48354ceSNicholas Bellinger param = iscsi_find_param_from_key(__stringify(name), \ 995e48354ceSNicholas Bellinger tpg->param_list); \ 996e48354ceSNicholas Bellinger if (!param) { \ 997e48354ceSNicholas Bellinger iscsit_put_tpg(tpg); \ 998e48354ceSNicholas Bellinger return -EINVAL; \ 999e48354ceSNicholas Bellinger } \ 1000e48354ceSNicholas Bellinger rb = snprintf(page, PAGE_SIZE, "%s\n", param->value); \ 1001e48354ceSNicholas Bellinger \ 1002e48354ceSNicholas Bellinger iscsit_put_tpg(tpg); \ 1003e48354ceSNicholas Bellinger return rb; \ 1004e48354ceSNicholas Bellinger } \ 1005e48354ceSNicholas Bellinger static ssize_t iscsi_tpg_param_store_##name( \ 1006e48354ceSNicholas Bellinger struct se_portal_group *se_tpg, \ 1007e48354ceSNicholas Bellinger const char *page, \ 1008e48354ceSNicholas Bellinger size_t count) \ 1009e48354ceSNicholas Bellinger { \ 1010e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg = container_of(se_tpg, \ 1011e48354ceSNicholas Bellinger struct iscsi_portal_group, tpg_se_tpg); \ 1012e48354ceSNicholas Bellinger char *buf; \ 1013e48354ceSNicholas Bellinger int ret; \ 1014e48354ceSNicholas Bellinger \ 1015e48354ceSNicholas Bellinger buf = kzalloc(PAGE_SIZE, GFP_KERNEL); \ 1016e48354ceSNicholas Bellinger if (!buf) \ 1017e48354ceSNicholas Bellinger return -ENOMEM; \ 1018e48354ceSNicholas Bellinger snprintf(buf, PAGE_SIZE, "%s=%s", __stringify(name), page); \ 1019e48354ceSNicholas Bellinger buf[strlen(buf)-1] = '\0'; /* Kill newline */ \ 1020e48354ceSNicholas Bellinger \ 1021e48354ceSNicholas Bellinger if (iscsit_get_tpg(tpg) < 0) { \ 1022e48354ceSNicholas Bellinger kfree(buf); \ 1023e48354ceSNicholas Bellinger return -EINVAL; \ 1024e48354ceSNicholas Bellinger } \ 1025e48354ceSNicholas Bellinger \ 1026e48354ceSNicholas Bellinger ret = iscsi_change_param_value(buf, tpg->param_list, 1); \ 1027e48354ceSNicholas Bellinger if (ret < 0) \ 1028e48354ceSNicholas Bellinger goto out; \ 1029e48354ceSNicholas Bellinger \ 1030e48354ceSNicholas Bellinger kfree(buf); \ 1031e48354ceSNicholas Bellinger iscsit_put_tpg(tpg); \ 1032e48354ceSNicholas Bellinger return count; \ 1033e48354ceSNicholas Bellinger out: \ 1034e48354ceSNicholas Bellinger kfree(buf); \ 1035e48354ceSNicholas Bellinger iscsit_put_tpg(tpg); \ 1036e48354ceSNicholas Bellinger return -EINVAL; \ 1037e48354ceSNicholas Bellinger } 1038e48354ceSNicholas Bellinger 1039e48354ceSNicholas Bellinger #define TPG_PARAM_ATTR(_name, _mode) TF_TPG_PARAM_ATTR(iscsi, _name, _mode); 1040e48354ceSNicholas Bellinger 1041e48354ceSNicholas Bellinger DEF_TPG_PARAM(AuthMethod); 1042e48354ceSNicholas Bellinger TPG_PARAM_ATTR(AuthMethod, S_IRUGO | S_IWUSR); 1043e48354ceSNicholas Bellinger 1044e48354ceSNicholas Bellinger DEF_TPG_PARAM(HeaderDigest); 1045e48354ceSNicholas Bellinger TPG_PARAM_ATTR(HeaderDigest, S_IRUGO | S_IWUSR); 1046e48354ceSNicholas Bellinger 1047e48354ceSNicholas Bellinger DEF_TPG_PARAM(DataDigest); 1048e48354ceSNicholas Bellinger TPG_PARAM_ATTR(DataDigest, S_IRUGO | S_IWUSR); 1049e48354ceSNicholas Bellinger 1050e48354ceSNicholas Bellinger DEF_TPG_PARAM(MaxConnections); 1051e48354ceSNicholas Bellinger TPG_PARAM_ATTR(MaxConnections, S_IRUGO | S_IWUSR); 1052e48354ceSNicholas Bellinger 1053e48354ceSNicholas Bellinger DEF_TPG_PARAM(TargetAlias); 1054e48354ceSNicholas Bellinger TPG_PARAM_ATTR(TargetAlias, S_IRUGO | S_IWUSR); 1055e48354ceSNicholas Bellinger 1056e48354ceSNicholas Bellinger DEF_TPG_PARAM(InitialR2T); 1057e48354ceSNicholas Bellinger TPG_PARAM_ATTR(InitialR2T, S_IRUGO | S_IWUSR); 1058e48354ceSNicholas Bellinger 1059e48354ceSNicholas Bellinger DEF_TPG_PARAM(ImmediateData); 1060e48354ceSNicholas Bellinger TPG_PARAM_ATTR(ImmediateData, S_IRUGO | S_IWUSR); 1061e48354ceSNicholas Bellinger 1062e48354ceSNicholas Bellinger DEF_TPG_PARAM(MaxRecvDataSegmentLength); 1063e48354ceSNicholas Bellinger TPG_PARAM_ATTR(MaxRecvDataSegmentLength, S_IRUGO | S_IWUSR); 1064e48354ceSNicholas Bellinger 1065e48354ceSNicholas Bellinger DEF_TPG_PARAM(MaxBurstLength); 1066e48354ceSNicholas Bellinger TPG_PARAM_ATTR(MaxBurstLength, S_IRUGO | S_IWUSR); 1067e48354ceSNicholas Bellinger 1068e48354ceSNicholas Bellinger DEF_TPG_PARAM(FirstBurstLength); 1069e48354ceSNicholas Bellinger TPG_PARAM_ATTR(FirstBurstLength, S_IRUGO | S_IWUSR); 1070e48354ceSNicholas Bellinger 1071e48354ceSNicholas Bellinger DEF_TPG_PARAM(DefaultTime2Wait); 1072e48354ceSNicholas Bellinger TPG_PARAM_ATTR(DefaultTime2Wait, S_IRUGO | S_IWUSR); 1073e48354ceSNicholas Bellinger 1074e48354ceSNicholas Bellinger DEF_TPG_PARAM(DefaultTime2Retain); 1075e48354ceSNicholas Bellinger TPG_PARAM_ATTR(DefaultTime2Retain, S_IRUGO | S_IWUSR); 1076e48354ceSNicholas Bellinger 1077e48354ceSNicholas Bellinger DEF_TPG_PARAM(MaxOutstandingR2T); 1078e48354ceSNicholas Bellinger TPG_PARAM_ATTR(MaxOutstandingR2T, S_IRUGO | S_IWUSR); 1079e48354ceSNicholas Bellinger 1080e48354ceSNicholas Bellinger DEF_TPG_PARAM(DataPDUInOrder); 1081e48354ceSNicholas Bellinger TPG_PARAM_ATTR(DataPDUInOrder, S_IRUGO | S_IWUSR); 1082e48354ceSNicholas Bellinger 1083e48354ceSNicholas Bellinger DEF_TPG_PARAM(DataSequenceInOrder); 1084e48354ceSNicholas Bellinger TPG_PARAM_ATTR(DataSequenceInOrder, S_IRUGO | S_IWUSR); 1085e48354ceSNicholas Bellinger 1086e48354ceSNicholas Bellinger DEF_TPG_PARAM(ErrorRecoveryLevel); 1087e48354ceSNicholas Bellinger TPG_PARAM_ATTR(ErrorRecoveryLevel, S_IRUGO | S_IWUSR); 1088e48354ceSNicholas Bellinger 1089e48354ceSNicholas Bellinger DEF_TPG_PARAM(IFMarker); 1090e48354ceSNicholas Bellinger TPG_PARAM_ATTR(IFMarker, S_IRUGO | S_IWUSR); 1091e48354ceSNicholas Bellinger 1092e48354ceSNicholas Bellinger DEF_TPG_PARAM(OFMarker); 1093e48354ceSNicholas Bellinger TPG_PARAM_ATTR(OFMarker, S_IRUGO | S_IWUSR); 1094e48354ceSNicholas Bellinger 1095e48354ceSNicholas Bellinger DEF_TPG_PARAM(IFMarkInt); 1096e48354ceSNicholas Bellinger TPG_PARAM_ATTR(IFMarkInt, S_IRUGO | S_IWUSR); 1097e48354ceSNicholas Bellinger 1098e48354ceSNicholas Bellinger DEF_TPG_PARAM(OFMarkInt); 1099e48354ceSNicholas Bellinger TPG_PARAM_ATTR(OFMarkInt, S_IRUGO | S_IWUSR); 1100e48354ceSNicholas Bellinger 1101e48354ceSNicholas Bellinger static struct configfs_attribute *lio_target_tpg_param_attrs[] = { 1102e48354ceSNicholas Bellinger &iscsi_tpg_param_AuthMethod.attr, 1103e48354ceSNicholas Bellinger &iscsi_tpg_param_HeaderDigest.attr, 1104e48354ceSNicholas Bellinger &iscsi_tpg_param_DataDigest.attr, 1105e48354ceSNicholas Bellinger &iscsi_tpg_param_MaxConnections.attr, 1106e48354ceSNicholas Bellinger &iscsi_tpg_param_TargetAlias.attr, 1107e48354ceSNicholas Bellinger &iscsi_tpg_param_InitialR2T.attr, 1108e48354ceSNicholas Bellinger &iscsi_tpg_param_ImmediateData.attr, 1109e48354ceSNicholas Bellinger &iscsi_tpg_param_MaxRecvDataSegmentLength.attr, 1110e48354ceSNicholas Bellinger &iscsi_tpg_param_MaxBurstLength.attr, 1111e48354ceSNicholas Bellinger &iscsi_tpg_param_FirstBurstLength.attr, 1112e48354ceSNicholas Bellinger &iscsi_tpg_param_DefaultTime2Wait.attr, 1113e48354ceSNicholas Bellinger &iscsi_tpg_param_DefaultTime2Retain.attr, 1114e48354ceSNicholas Bellinger &iscsi_tpg_param_MaxOutstandingR2T.attr, 1115e48354ceSNicholas Bellinger &iscsi_tpg_param_DataPDUInOrder.attr, 1116e48354ceSNicholas Bellinger &iscsi_tpg_param_DataSequenceInOrder.attr, 1117e48354ceSNicholas Bellinger &iscsi_tpg_param_ErrorRecoveryLevel.attr, 1118e48354ceSNicholas Bellinger &iscsi_tpg_param_IFMarker.attr, 1119e48354ceSNicholas Bellinger &iscsi_tpg_param_OFMarker.attr, 1120e48354ceSNicholas Bellinger &iscsi_tpg_param_IFMarkInt.attr, 1121e48354ceSNicholas Bellinger &iscsi_tpg_param_OFMarkInt.attr, 1122e48354ceSNicholas Bellinger NULL, 1123e48354ceSNicholas Bellinger }; 1124e48354ceSNicholas Bellinger 1125e48354ceSNicholas Bellinger /* End items for lio_target_tpg_param_cit */ 1126e48354ceSNicholas Bellinger 1127e48354ceSNicholas Bellinger /* Start items for lio_target_tpg_cit */ 1128e48354ceSNicholas Bellinger 1129e48354ceSNicholas Bellinger static ssize_t lio_target_tpg_show_enable( 1130e48354ceSNicholas Bellinger struct se_portal_group *se_tpg, 1131e48354ceSNicholas Bellinger char *page) 1132e48354ceSNicholas Bellinger { 1133e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg = container_of(se_tpg, 1134e48354ceSNicholas Bellinger struct iscsi_portal_group, tpg_se_tpg); 1135e48354ceSNicholas Bellinger ssize_t len; 1136e48354ceSNicholas Bellinger 1137e48354ceSNicholas Bellinger spin_lock(&tpg->tpg_state_lock); 1138e48354ceSNicholas Bellinger len = sprintf(page, "%d\n", 1139e48354ceSNicholas Bellinger (tpg->tpg_state == TPG_STATE_ACTIVE) ? 1 : 0); 1140e48354ceSNicholas Bellinger spin_unlock(&tpg->tpg_state_lock); 1141e48354ceSNicholas Bellinger 1142e48354ceSNicholas Bellinger return len; 1143e48354ceSNicholas Bellinger } 1144e48354ceSNicholas Bellinger 1145e48354ceSNicholas Bellinger static ssize_t lio_target_tpg_store_enable( 1146e48354ceSNicholas Bellinger struct se_portal_group *se_tpg, 1147e48354ceSNicholas Bellinger const char *page, 1148e48354ceSNicholas Bellinger size_t count) 1149e48354ceSNicholas Bellinger { 1150e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg = container_of(se_tpg, 1151e48354ceSNicholas Bellinger struct iscsi_portal_group, tpg_se_tpg); 1152e48354ceSNicholas Bellinger char *endptr; 1153e48354ceSNicholas Bellinger u32 op; 1154e48354ceSNicholas Bellinger int ret = 0; 1155e48354ceSNicholas Bellinger 1156e48354ceSNicholas Bellinger op = simple_strtoul(page, &endptr, 0); 1157e48354ceSNicholas Bellinger if ((op != 1) && (op != 0)) { 1158e48354ceSNicholas Bellinger pr_err("Illegal value for tpg_enable: %u\n", op); 1159e48354ceSNicholas Bellinger return -EINVAL; 1160e48354ceSNicholas Bellinger } 1161e48354ceSNicholas Bellinger 1162e48354ceSNicholas Bellinger ret = iscsit_get_tpg(tpg); 1163e48354ceSNicholas Bellinger if (ret < 0) 1164e48354ceSNicholas Bellinger return -EINVAL; 1165e48354ceSNicholas Bellinger 1166e48354ceSNicholas Bellinger if (op) { 1167e48354ceSNicholas Bellinger ret = iscsit_tpg_enable_portal_group(tpg); 1168e48354ceSNicholas Bellinger if (ret < 0) 1169e48354ceSNicholas Bellinger goto out; 1170e48354ceSNicholas Bellinger } else { 1171e48354ceSNicholas Bellinger /* 1172e48354ceSNicholas Bellinger * iscsit_tpg_disable_portal_group() assumes force=1 1173e48354ceSNicholas Bellinger */ 1174e48354ceSNicholas Bellinger ret = iscsit_tpg_disable_portal_group(tpg, 1); 1175e48354ceSNicholas Bellinger if (ret < 0) 1176e48354ceSNicholas Bellinger goto out; 1177e48354ceSNicholas Bellinger } 1178e48354ceSNicholas Bellinger 1179e48354ceSNicholas Bellinger iscsit_put_tpg(tpg); 1180e48354ceSNicholas Bellinger return count; 1181e48354ceSNicholas Bellinger out: 1182e48354ceSNicholas Bellinger iscsit_put_tpg(tpg); 1183e48354ceSNicholas Bellinger return -EINVAL; 1184e48354ceSNicholas Bellinger } 1185e48354ceSNicholas Bellinger 1186e48354ceSNicholas Bellinger TF_TPG_BASE_ATTR(lio_target, enable, S_IRUGO | S_IWUSR); 1187e48354ceSNicholas Bellinger 1188e48354ceSNicholas Bellinger static struct configfs_attribute *lio_target_tpg_attrs[] = { 1189e48354ceSNicholas Bellinger &lio_target_tpg_enable.attr, 1190e48354ceSNicholas Bellinger NULL, 1191e48354ceSNicholas Bellinger }; 1192e48354ceSNicholas Bellinger 1193e48354ceSNicholas Bellinger /* End items for lio_target_tpg_cit */ 1194e48354ceSNicholas Bellinger 1195e48354ceSNicholas Bellinger /* Start items for lio_target_tiqn_cit */ 1196e48354ceSNicholas Bellinger 1197e48354ceSNicholas Bellinger struct se_portal_group *lio_target_tiqn_addtpg( 1198e48354ceSNicholas Bellinger struct se_wwn *wwn, 1199e48354ceSNicholas Bellinger struct config_group *group, 1200e48354ceSNicholas Bellinger const char *name) 1201e48354ceSNicholas Bellinger { 1202e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg; 1203e48354ceSNicholas Bellinger struct iscsi_tiqn *tiqn; 1204e48354ceSNicholas Bellinger char *tpgt_str, *end_ptr; 1205e48354ceSNicholas Bellinger int ret = 0; 1206e48354ceSNicholas Bellinger unsigned short int tpgt; 1207e48354ceSNicholas Bellinger 1208e48354ceSNicholas Bellinger tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn); 1209e48354ceSNicholas Bellinger /* 1210e48354ceSNicholas Bellinger * Only tpgt_# directory groups can be created below 1211e48354ceSNicholas Bellinger * target/iscsi/iqn.superturodiskarry/ 1212e48354ceSNicholas Bellinger */ 1213e48354ceSNicholas Bellinger tpgt_str = strstr(name, "tpgt_"); 1214e48354ceSNicholas Bellinger if (!tpgt_str) { 1215e48354ceSNicholas Bellinger pr_err("Unable to locate \"tpgt_#\" directory" 1216e48354ceSNicholas Bellinger " group\n"); 1217e48354ceSNicholas Bellinger return NULL; 1218e48354ceSNicholas Bellinger } 1219e48354ceSNicholas Bellinger tpgt_str += 5; /* Skip ahead of "tpgt_" */ 1220e48354ceSNicholas Bellinger tpgt = (unsigned short int) simple_strtoul(tpgt_str, &end_ptr, 0); 1221e48354ceSNicholas Bellinger 1222e48354ceSNicholas Bellinger tpg = iscsit_alloc_portal_group(tiqn, tpgt); 1223e48354ceSNicholas Bellinger if (!tpg) 1224e48354ceSNicholas Bellinger return NULL; 1225e48354ceSNicholas Bellinger 1226e48354ceSNicholas Bellinger ret = core_tpg_register( 1227e48354ceSNicholas Bellinger &lio_target_fabric_configfs->tf_ops, 1228e48354ceSNicholas Bellinger wwn, &tpg->tpg_se_tpg, (void *)tpg, 1229e48354ceSNicholas Bellinger TRANSPORT_TPG_TYPE_NORMAL); 1230e48354ceSNicholas Bellinger if (ret < 0) 1231e48354ceSNicholas Bellinger return NULL; 1232e48354ceSNicholas Bellinger 1233e48354ceSNicholas Bellinger ret = iscsit_tpg_add_portal_group(tiqn, tpg); 1234e48354ceSNicholas Bellinger if (ret != 0) 1235e48354ceSNicholas Bellinger goto out; 1236e48354ceSNicholas Bellinger 1237e48354ceSNicholas Bellinger pr_debug("LIO_Target_ConfigFS: REGISTER -> %s\n", tiqn->tiqn); 1238e48354ceSNicholas Bellinger pr_debug("LIO_Target_ConfigFS: REGISTER -> Allocated TPG: %s\n", 1239e48354ceSNicholas Bellinger name); 1240e48354ceSNicholas Bellinger return &tpg->tpg_se_tpg; 1241e48354ceSNicholas Bellinger out: 1242e48354ceSNicholas Bellinger core_tpg_deregister(&tpg->tpg_se_tpg); 1243e48354ceSNicholas Bellinger kfree(tpg); 1244e48354ceSNicholas Bellinger return NULL; 1245e48354ceSNicholas Bellinger } 1246e48354ceSNicholas Bellinger 1247e48354ceSNicholas Bellinger void lio_target_tiqn_deltpg(struct se_portal_group *se_tpg) 1248e48354ceSNicholas Bellinger { 1249e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg; 1250e48354ceSNicholas Bellinger struct iscsi_tiqn *tiqn; 1251e48354ceSNicholas Bellinger 1252e48354ceSNicholas Bellinger tpg = container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); 1253e48354ceSNicholas Bellinger tiqn = tpg->tpg_tiqn; 1254e48354ceSNicholas Bellinger /* 1255e48354ceSNicholas Bellinger * iscsit_tpg_del_portal_group() assumes force=1 1256e48354ceSNicholas Bellinger */ 1257e48354ceSNicholas Bellinger pr_debug("LIO_Target_ConfigFS: DEREGISTER -> Releasing TPG\n"); 1258e48354ceSNicholas Bellinger iscsit_tpg_del_portal_group(tiqn, tpg, 1); 1259e48354ceSNicholas Bellinger } 1260e48354ceSNicholas Bellinger 1261e48354ceSNicholas Bellinger /* End items for lio_target_tiqn_cit */ 1262e48354ceSNicholas Bellinger 1263e48354ceSNicholas Bellinger /* Start LIO-Target TIQN struct contig_item lio_target_cit */ 1264e48354ceSNicholas Bellinger 1265e48354ceSNicholas Bellinger static ssize_t lio_target_wwn_show_attr_lio_version( 1266e48354ceSNicholas Bellinger struct target_fabric_configfs *tf, 1267e48354ceSNicholas Bellinger char *page) 1268e48354ceSNicholas Bellinger { 1269e48354ceSNicholas Bellinger return sprintf(page, "RisingTide Systems Linux-iSCSI Target "ISCSIT_VERSION"\n"); 1270e48354ceSNicholas Bellinger } 1271e48354ceSNicholas Bellinger 1272e48354ceSNicholas Bellinger TF_WWN_ATTR_RO(lio_target, lio_version); 1273e48354ceSNicholas Bellinger 1274e48354ceSNicholas Bellinger static struct configfs_attribute *lio_target_wwn_attrs[] = { 1275e48354ceSNicholas Bellinger &lio_target_wwn_lio_version.attr, 1276e48354ceSNicholas Bellinger NULL, 1277e48354ceSNicholas Bellinger }; 1278e48354ceSNicholas Bellinger 1279e48354ceSNicholas Bellinger struct se_wwn *lio_target_call_coreaddtiqn( 1280e48354ceSNicholas Bellinger struct target_fabric_configfs *tf, 1281e48354ceSNicholas Bellinger struct config_group *group, 1282e48354ceSNicholas Bellinger const char *name) 1283e48354ceSNicholas Bellinger { 1284e48354ceSNicholas Bellinger struct config_group *stats_cg; 1285e48354ceSNicholas Bellinger struct iscsi_tiqn *tiqn; 1286e48354ceSNicholas Bellinger 1287e48354ceSNicholas Bellinger tiqn = iscsit_add_tiqn((unsigned char *)name); 1288e48354ceSNicholas Bellinger if (IS_ERR(tiqn)) 1289e1750ba2SThomas Meyer return ERR_CAST(tiqn); 1290e48354ceSNicholas Bellinger /* 1291e48354ceSNicholas Bellinger * Setup struct iscsi_wwn_stat_grps for se_wwn->fabric_stat_group. 1292e48354ceSNicholas Bellinger */ 1293e48354ceSNicholas Bellinger stats_cg = &tiqn->tiqn_wwn.fabric_stat_group; 1294e48354ceSNicholas Bellinger 1295e48354ceSNicholas Bellinger stats_cg->default_groups = kzalloc(sizeof(struct config_group) * 6, 1296e48354ceSNicholas Bellinger GFP_KERNEL); 1297e48354ceSNicholas Bellinger if (!stats_cg->default_groups) { 1298e48354ceSNicholas Bellinger pr_err("Unable to allocate memory for" 1299e48354ceSNicholas Bellinger " stats_cg->default_groups\n"); 1300e48354ceSNicholas Bellinger iscsit_del_tiqn(tiqn); 1301e48354ceSNicholas Bellinger return ERR_PTR(-ENOMEM); 1302e48354ceSNicholas Bellinger } 1303e48354ceSNicholas Bellinger 1304e48354ceSNicholas Bellinger stats_cg->default_groups[0] = &WWN_STAT_GRPS(tiqn)->iscsi_instance_group; 1305e48354ceSNicholas Bellinger stats_cg->default_groups[1] = &WWN_STAT_GRPS(tiqn)->iscsi_sess_err_group; 1306e48354ceSNicholas Bellinger stats_cg->default_groups[2] = &WWN_STAT_GRPS(tiqn)->iscsi_tgt_attr_group; 1307e48354ceSNicholas Bellinger stats_cg->default_groups[3] = &WWN_STAT_GRPS(tiqn)->iscsi_login_stats_group; 1308e48354ceSNicholas Bellinger stats_cg->default_groups[4] = &WWN_STAT_GRPS(tiqn)->iscsi_logout_stats_group; 1309e48354ceSNicholas Bellinger stats_cg->default_groups[5] = NULL; 1310e48354ceSNicholas Bellinger config_group_init_type_name(&WWN_STAT_GRPS(tiqn)->iscsi_instance_group, 1311e48354ceSNicholas Bellinger "iscsi_instance", &iscsi_stat_instance_cit); 1312e48354ceSNicholas Bellinger config_group_init_type_name(&WWN_STAT_GRPS(tiqn)->iscsi_sess_err_group, 1313e48354ceSNicholas Bellinger "iscsi_sess_err", &iscsi_stat_sess_err_cit); 1314e48354ceSNicholas Bellinger config_group_init_type_name(&WWN_STAT_GRPS(tiqn)->iscsi_tgt_attr_group, 1315e48354ceSNicholas Bellinger "iscsi_tgt_attr", &iscsi_stat_tgt_attr_cit); 1316e48354ceSNicholas Bellinger config_group_init_type_name(&WWN_STAT_GRPS(tiqn)->iscsi_login_stats_group, 1317e48354ceSNicholas Bellinger "iscsi_login_stats", &iscsi_stat_login_cit); 1318e48354ceSNicholas Bellinger config_group_init_type_name(&WWN_STAT_GRPS(tiqn)->iscsi_logout_stats_group, 1319e48354ceSNicholas Bellinger "iscsi_logout_stats", &iscsi_stat_logout_cit); 1320e48354ceSNicholas Bellinger 1321e48354ceSNicholas Bellinger pr_debug("LIO_Target_ConfigFS: REGISTER -> %s\n", tiqn->tiqn); 1322e48354ceSNicholas Bellinger pr_debug("LIO_Target_ConfigFS: REGISTER -> Allocated Node:" 1323e48354ceSNicholas Bellinger " %s\n", name); 1324e48354ceSNicholas Bellinger return &tiqn->tiqn_wwn; 1325e48354ceSNicholas Bellinger } 1326e48354ceSNicholas Bellinger 1327e48354ceSNicholas Bellinger void lio_target_call_coredeltiqn( 1328e48354ceSNicholas Bellinger struct se_wwn *wwn) 1329e48354ceSNicholas Bellinger { 1330e48354ceSNicholas Bellinger struct iscsi_tiqn *tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn); 1331e48354ceSNicholas Bellinger struct config_item *df_item; 1332e48354ceSNicholas Bellinger struct config_group *stats_cg; 1333e48354ceSNicholas Bellinger int i; 1334e48354ceSNicholas Bellinger 1335e48354ceSNicholas Bellinger stats_cg = &tiqn->tiqn_wwn.fabric_stat_group; 1336e48354ceSNicholas Bellinger for (i = 0; stats_cg->default_groups[i]; i++) { 1337e48354ceSNicholas Bellinger df_item = &stats_cg->default_groups[i]->cg_item; 1338e48354ceSNicholas Bellinger stats_cg->default_groups[i] = NULL; 1339e48354ceSNicholas Bellinger config_item_put(df_item); 1340e48354ceSNicholas Bellinger } 1341e48354ceSNicholas Bellinger kfree(stats_cg->default_groups); 1342e48354ceSNicholas Bellinger 1343e48354ceSNicholas Bellinger pr_debug("LIO_Target_ConfigFS: DEREGISTER -> %s\n", 1344e48354ceSNicholas Bellinger tiqn->tiqn); 1345e48354ceSNicholas Bellinger iscsit_del_tiqn(tiqn); 1346e48354ceSNicholas Bellinger } 1347e48354ceSNicholas Bellinger 1348e48354ceSNicholas Bellinger /* End LIO-Target TIQN struct contig_lio_target_cit */ 1349e48354ceSNicholas Bellinger 1350e48354ceSNicholas Bellinger /* Start lio_target_discovery_auth_cit */ 1351e48354ceSNicholas Bellinger 1352e48354ceSNicholas Bellinger #define DEF_DISC_AUTH_STR(name, flags) \ 1353e48354ceSNicholas Bellinger __DEF_NACL_AUTH_STR(disc, name, flags) \ 1354e48354ceSNicholas Bellinger static ssize_t iscsi_disc_show_##name( \ 1355e48354ceSNicholas Bellinger struct target_fabric_configfs *tf, \ 1356e48354ceSNicholas Bellinger char *page) \ 1357e48354ceSNicholas Bellinger { \ 1358e48354ceSNicholas Bellinger return __iscsi_disc_show_##name(&iscsit_global->discovery_acl, \ 1359e48354ceSNicholas Bellinger page); \ 1360e48354ceSNicholas Bellinger } \ 1361e48354ceSNicholas Bellinger static ssize_t iscsi_disc_store_##name( \ 1362e48354ceSNicholas Bellinger struct target_fabric_configfs *tf, \ 1363e48354ceSNicholas Bellinger const char *page, \ 1364e48354ceSNicholas Bellinger size_t count) \ 1365e48354ceSNicholas Bellinger { \ 1366e48354ceSNicholas Bellinger return __iscsi_disc_store_##name(&iscsit_global->discovery_acl, \ 1367e48354ceSNicholas Bellinger page, count); \ 1368e48354ceSNicholas Bellinger } 1369e48354ceSNicholas Bellinger 1370e48354ceSNicholas Bellinger #define DEF_DISC_AUTH_INT(name) \ 1371e48354ceSNicholas Bellinger __DEF_NACL_AUTH_INT(disc, name) \ 1372e48354ceSNicholas Bellinger static ssize_t iscsi_disc_show_##name( \ 1373e48354ceSNicholas Bellinger struct target_fabric_configfs *tf, \ 1374e48354ceSNicholas Bellinger char *page) \ 1375e48354ceSNicholas Bellinger { \ 1376e48354ceSNicholas Bellinger return __iscsi_disc_show_##name(&iscsit_global->discovery_acl, \ 1377e48354ceSNicholas Bellinger page); \ 1378e48354ceSNicholas Bellinger } 1379e48354ceSNicholas Bellinger 1380e48354ceSNicholas Bellinger #define DISC_AUTH_ATTR(_name, _mode) TF_DISC_ATTR(iscsi, _name, _mode) 1381e48354ceSNicholas Bellinger #define DISC_AUTH_ATTR_RO(_name) TF_DISC_ATTR_RO(iscsi, _name) 1382e48354ceSNicholas Bellinger 1383e48354ceSNicholas Bellinger /* 1384e48354ceSNicholas Bellinger * One-way authentication userid 1385e48354ceSNicholas Bellinger */ 1386e48354ceSNicholas Bellinger DEF_DISC_AUTH_STR(userid, NAF_USERID_SET); 1387e48354ceSNicholas Bellinger DISC_AUTH_ATTR(userid, S_IRUGO | S_IWUSR); 1388e48354ceSNicholas Bellinger /* 1389e48354ceSNicholas Bellinger * One-way authentication password 1390e48354ceSNicholas Bellinger */ 1391e48354ceSNicholas Bellinger DEF_DISC_AUTH_STR(password, NAF_PASSWORD_SET); 1392e48354ceSNicholas Bellinger DISC_AUTH_ATTR(password, S_IRUGO | S_IWUSR); 1393e48354ceSNicholas Bellinger /* 1394e48354ceSNicholas Bellinger * Enforce mutual authentication 1395e48354ceSNicholas Bellinger */ 1396e48354ceSNicholas Bellinger DEF_DISC_AUTH_INT(authenticate_target); 1397e48354ceSNicholas Bellinger DISC_AUTH_ATTR_RO(authenticate_target); 1398e48354ceSNicholas Bellinger /* 1399e48354ceSNicholas Bellinger * Mutual authentication userid 1400e48354ceSNicholas Bellinger */ 1401e48354ceSNicholas Bellinger DEF_DISC_AUTH_STR(userid_mutual, NAF_USERID_IN_SET); 1402e48354ceSNicholas Bellinger DISC_AUTH_ATTR(userid_mutual, S_IRUGO | S_IWUSR); 1403e48354ceSNicholas Bellinger /* 1404e48354ceSNicholas Bellinger * Mutual authentication password 1405e48354ceSNicholas Bellinger */ 1406e48354ceSNicholas Bellinger DEF_DISC_AUTH_STR(password_mutual, NAF_PASSWORD_IN_SET); 1407e48354ceSNicholas Bellinger DISC_AUTH_ATTR(password_mutual, S_IRUGO | S_IWUSR); 1408e48354ceSNicholas Bellinger 1409e48354ceSNicholas Bellinger /* 1410e48354ceSNicholas Bellinger * enforce_discovery_auth 1411e48354ceSNicholas Bellinger */ 1412e48354ceSNicholas Bellinger static ssize_t iscsi_disc_show_enforce_discovery_auth( 1413e48354ceSNicholas Bellinger struct target_fabric_configfs *tf, 1414e48354ceSNicholas Bellinger char *page) 1415e48354ceSNicholas Bellinger { 1416e48354ceSNicholas Bellinger struct iscsi_node_auth *discovery_auth = &iscsit_global->discovery_acl.node_auth; 1417e48354ceSNicholas Bellinger 1418e48354ceSNicholas Bellinger return sprintf(page, "%d\n", discovery_auth->enforce_discovery_auth); 1419e48354ceSNicholas Bellinger } 1420e48354ceSNicholas Bellinger 1421e48354ceSNicholas Bellinger static ssize_t iscsi_disc_store_enforce_discovery_auth( 1422e48354ceSNicholas Bellinger struct target_fabric_configfs *tf, 1423e48354ceSNicholas Bellinger const char *page, 1424e48354ceSNicholas Bellinger size_t count) 1425e48354ceSNicholas Bellinger { 1426e48354ceSNicholas Bellinger struct iscsi_param *param; 1427e48354ceSNicholas Bellinger struct iscsi_portal_group *discovery_tpg = iscsit_global->discovery_tpg; 1428e48354ceSNicholas Bellinger char *endptr; 1429e48354ceSNicholas Bellinger u32 op; 1430e48354ceSNicholas Bellinger 1431e48354ceSNicholas Bellinger op = simple_strtoul(page, &endptr, 0); 1432e48354ceSNicholas Bellinger if ((op != 1) && (op != 0)) { 1433e48354ceSNicholas Bellinger pr_err("Illegal value for enforce_discovery_auth:" 1434e48354ceSNicholas Bellinger " %u\n", op); 1435e48354ceSNicholas Bellinger return -EINVAL; 1436e48354ceSNicholas Bellinger } 1437e48354ceSNicholas Bellinger 1438e48354ceSNicholas Bellinger if (!discovery_tpg) { 1439e48354ceSNicholas Bellinger pr_err("iscsit_global->discovery_tpg is NULL\n"); 1440e48354ceSNicholas Bellinger return -EINVAL; 1441e48354ceSNicholas Bellinger } 1442e48354ceSNicholas Bellinger 1443e48354ceSNicholas Bellinger param = iscsi_find_param_from_key(AUTHMETHOD, 1444e48354ceSNicholas Bellinger discovery_tpg->param_list); 1445e48354ceSNicholas Bellinger if (!param) 1446e48354ceSNicholas Bellinger return -EINVAL; 1447e48354ceSNicholas Bellinger 1448e48354ceSNicholas Bellinger if (op) { 1449e48354ceSNicholas Bellinger /* 1450e48354ceSNicholas Bellinger * Reset the AuthMethod key to CHAP. 1451e48354ceSNicholas Bellinger */ 1452e48354ceSNicholas Bellinger if (iscsi_update_param_value(param, CHAP) < 0) 1453e48354ceSNicholas Bellinger return -EINVAL; 1454e48354ceSNicholas Bellinger 1455e48354ceSNicholas Bellinger discovery_tpg->tpg_attrib.authentication = 1; 1456e48354ceSNicholas Bellinger iscsit_global->discovery_acl.node_auth.enforce_discovery_auth = 1; 1457e48354ceSNicholas Bellinger pr_debug("LIO-CORE[0] Successfully enabled" 1458e48354ceSNicholas Bellinger " authentication enforcement for iSCSI" 1459e48354ceSNicholas Bellinger " Discovery TPG\n"); 1460e48354ceSNicholas Bellinger } else { 1461e48354ceSNicholas Bellinger /* 1462e48354ceSNicholas Bellinger * Reset the AuthMethod key to CHAP,None 1463e48354ceSNicholas Bellinger */ 1464e48354ceSNicholas Bellinger if (iscsi_update_param_value(param, "CHAP,None") < 0) 1465e48354ceSNicholas Bellinger return -EINVAL; 1466e48354ceSNicholas Bellinger 1467e48354ceSNicholas Bellinger discovery_tpg->tpg_attrib.authentication = 0; 1468e48354ceSNicholas Bellinger iscsit_global->discovery_acl.node_auth.enforce_discovery_auth = 0; 1469e48354ceSNicholas Bellinger pr_debug("LIO-CORE[0] Successfully disabled" 1470e48354ceSNicholas Bellinger " authentication enforcement for iSCSI" 1471e48354ceSNicholas Bellinger " Discovery TPG\n"); 1472e48354ceSNicholas Bellinger } 1473e48354ceSNicholas Bellinger 1474e48354ceSNicholas Bellinger return count; 1475e48354ceSNicholas Bellinger } 1476e48354ceSNicholas Bellinger 1477e48354ceSNicholas Bellinger DISC_AUTH_ATTR(enforce_discovery_auth, S_IRUGO | S_IWUSR); 1478e48354ceSNicholas Bellinger 1479e48354ceSNicholas Bellinger static struct configfs_attribute *lio_target_discovery_auth_attrs[] = { 1480e48354ceSNicholas Bellinger &iscsi_disc_userid.attr, 1481e48354ceSNicholas Bellinger &iscsi_disc_password.attr, 1482e48354ceSNicholas Bellinger &iscsi_disc_authenticate_target.attr, 1483e48354ceSNicholas Bellinger &iscsi_disc_userid_mutual.attr, 1484e48354ceSNicholas Bellinger &iscsi_disc_password_mutual.attr, 1485e48354ceSNicholas Bellinger &iscsi_disc_enforce_discovery_auth.attr, 1486e48354ceSNicholas Bellinger NULL, 1487e48354ceSNicholas Bellinger }; 1488e48354ceSNicholas Bellinger 1489e48354ceSNicholas Bellinger /* End lio_target_discovery_auth_cit */ 1490e48354ceSNicholas Bellinger 1491e48354ceSNicholas Bellinger /* Start functions for target_core_fabric_ops */ 1492e48354ceSNicholas Bellinger 1493e48354ceSNicholas Bellinger static char *iscsi_get_fabric_name(void) 1494e48354ceSNicholas Bellinger { 1495e48354ceSNicholas Bellinger return "iSCSI"; 1496e48354ceSNicholas Bellinger } 1497e48354ceSNicholas Bellinger 1498e48354ceSNicholas Bellinger static u32 iscsi_get_task_tag(struct se_cmd *se_cmd) 1499e48354ceSNicholas Bellinger { 1500e48354ceSNicholas Bellinger struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); 1501e48354ceSNicholas Bellinger 1502e48354ceSNicholas Bellinger return cmd->init_task_tag; 1503e48354ceSNicholas Bellinger } 1504e48354ceSNicholas Bellinger 1505e48354ceSNicholas Bellinger static int iscsi_get_cmd_state(struct se_cmd *se_cmd) 1506e48354ceSNicholas Bellinger { 1507e48354ceSNicholas Bellinger struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); 1508e48354ceSNicholas Bellinger 1509e48354ceSNicholas Bellinger return cmd->i_state; 1510e48354ceSNicholas Bellinger } 1511e48354ceSNicholas Bellinger 1512e48354ceSNicholas Bellinger static int iscsi_is_state_remove(struct se_cmd *se_cmd) 1513e48354ceSNicholas Bellinger { 1514e48354ceSNicholas Bellinger struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); 1515e48354ceSNicholas Bellinger 1516e48354ceSNicholas Bellinger return (cmd->i_state == ISTATE_REMOVE); 1517e48354ceSNicholas Bellinger } 1518e48354ceSNicholas Bellinger 1519e48354ceSNicholas Bellinger static int lio_sess_logged_in(struct se_session *se_sess) 1520e48354ceSNicholas Bellinger { 1521e48354ceSNicholas Bellinger struct iscsi_session *sess = se_sess->fabric_sess_ptr; 1522e48354ceSNicholas Bellinger int ret; 1523e48354ceSNicholas Bellinger /* 1524e48354ceSNicholas Bellinger * Called with spin_lock_bh(&tpg_lock); and 1525e48354ceSNicholas Bellinger * spin_lock(&se_tpg->session_lock); held. 1526e48354ceSNicholas Bellinger */ 1527e48354ceSNicholas Bellinger spin_lock(&sess->conn_lock); 1528e48354ceSNicholas Bellinger ret = (sess->session_state != TARG_SESS_STATE_LOGGED_IN); 1529e48354ceSNicholas Bellinger spin_unlock(&sess->conn_lock); 1530e48354ceSNicholas Bellinger 1531e48354ceSNicholas Bellinger return ret; 1532e48354ceSNicholas Bellinger } 1533e48354ceSNicholas Bellinger 1534e48354ceSNicholas Bellinger static u32 lio_sess_get_index(struct se_session *se_sess) 1535e48354ceSNicholas Bellinger { 1536e48354ceSNicholas Bellinger struct iscsi_session *sess = se_sess->fabric_sess_ptr; 1537e48354ceSNicholas Bellinger 1538e48354ceSNicholas Bellinger return sess->session_index; 1539e48354ceSNicholas Bellinger } 1540e48354ceSNicholas Bellinger 1541e48354ceSNicholas Bellinger static u32 lio_sess_get_initiator_sid( 1542e48354ceSNicholas Bellinger struct se_session *se_sess, 1543e48354ceSNicholas Bellinger unsigned char *buf, 1544e48354ceSNicholas Bellinger u32 size) 1545e48354ceSNicholas Bellinger { 1546e48354ceSNicholas Bellinger struct iscsi_session *sess = se_sess->fabric_sess_ptr; 1547e48354ceSNicholas Bellinger /* 1548e48354ceSNicholas Bellinger * iSCSI Initiator Session Identifier from RFC-3720. 1549e48354ceSNicholas Bellinger */ 1550e48354ceSNicholas Bellinger return snprintf(buf, size, "%02x%02x%02x%02x%02x%02x", 1551e48354ceSNicholas Bellinger sess->isid[0], sess->isid[1], sess->isid[2], 1552e48354ceSNicholas Bellinger sess->isid[3], sess->isid[4], sess->isid[5]); 1553e48354ceSNicholas Bellinger } 1554e48354ceSNicholas Bellinger 1555e48354ceSNicholas Bellinger static int lio_queue_data_in(struct se_cmd *se_cmd) 1556e48354ceSNicholas Bellinger { 1557e48354ceSNicholas Bellinger struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); 1558e48354ceSNicholas Bellinger 1559e48354ceSNicholas Bellinger cmd->i_state = ISTATE_SEND_DATAIN; 1560e48354ceSNicholas Bellinger iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); 1561e48354ceSNicholas Bellinger return 0; 1562e48354ceSNicholas Bellinger } 1563e48354ceSNicholas Bellinger 1564e48354ceSNicholas Bellinger static int lio_write_pending(struct se_cmd *se_cmd) 1565e48354ceSNicholas Bellinger { 1566e48354ceSNicholas Bellinger struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); 1567e48354ceSNicholas Bellinger 1568e48354ceSNicholas Bellinger if (!cmd->immediate_data && !cmd->unsolicited_data) 1569e48354ceSNicholas Bellinger return iscsit_build_r2ts_for_cmd(cmd, cmd->conn, 1); 1570e48354ceSNicholas Bellinger 1571e48354ceSNicholas Bellinger return 0; 1572e48354ceSNicholas Bellinger } 1573e48354ceSNicholas Bellinger 1574e48354ceSNicholas Bellinger static int lio_write_pending_status(struct se_cmd *se_cmd) 1575e48354ceSNicholas Bellinger { 1576e48354ceSNicholas Bellinger struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); 1577e48354ceSNicholas Bellinger int ret; 1578e48354ceSNicholas Bellinger 1579e48354ceSNicholas Bellinger spin_lock_bh(&cmd->istate_lock); 1580e48354ceSNicholas Bellinger ret = !(cmd->cmd_flags & ICF_GOT_LAST_DATAOUT); 1581e48354ceSNicholas Bellinger spin_unlock_bh(&cmd->istate_lock); 1582e48354ceSNicholas Bellinger 1583e48354ceSNicholas Bellinger return ret; 1584e48354ceSNicholas Bellinger } 1585e48354ceSNicholas Bellinger 1586e48354ceSNicholas Bellinger static int lio_queue_status(struct se_cmd *se_cmd) 1587e48354ceSNicholas Bellinger { 1588e48354ceSNicholas Bellinger struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); 1589e48354ceSNicholas Bellinger 1590e48354ceSNicholas Bellinger cmd->i_state = ISTATE_SEND_STATUS; 1591e48354ceSNicholas Bellinger iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); 1592e48354ceSNicholas Bellinger return 0; 1593e48354ceSNicholas Bellinger } 1594e48354ceSNicholas Bellinger 1595e48354ceSNicholas Bellinger static u16 lio_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length) 1596e48354ceSNicholas Bellinger { 1597e48354ceSNicholas Bellinger unsigned char *buffer = se_cmd->sense_buffer; 1598e48354ceSNicholas Bellinger /* 1599e48354ceSNicholas Bellinger * From RFC-3720 10.4.7. Data Segment - Sense and Response Data Segment 1600e48354ceSNicholas Bellinger * 16-bit SenseLength. 1601e48354ceSNicholas Bellinger */ 1602e48354ceSNicholas Bellinger buffer[0] = ((sense_length >> 8) & 0xff); 1603e48354ceSNicholas Bellinger buffer[1] = (sense_length & 0xff); 1604e48354ceSNicholas Bellinger /* 1605e48354ceSNicholas Bellinger * Return two byte offset into allocated sense_buffer. 1606e48354ceSNicholas Bellinger */ 1607e48354ceSNicholas Bellinger return 2; 1608e48354ceSNicholas Bellinger } 1609e48354ceSNicholas Bellinger 1610e48354ceSNicholas Bellinger static u16 lio_get_fabric_sense_len(void) 1611e48354ceSNicholas Bellinger { 1612e48354ceSNicholas Bellinger /* 1613e48354ceSNicholas Bellinger * Return two byte offset into allocated sense_buffer. 1614e48354ceSNicholas Bellinger */ 1615e48354ceSNicholas Bellinger return 2; 1616e48354ceSNicholas Bellinger } 1617e48354ceSNicholas Bellinger 1618e48354ceSNicholas Bellinger static int lio_queue_tm_rsp(struct se_cmd *se_cmd) 1619e48354ceSNicholas Bellinger { 1620e48354ceSNicholas Bellinger struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); 1621e48354ceSNicholas Bellinger 1622e48354ceSNicholas Bellinger cmd->i_state = ISTATE_SEND_TASKMGTRSP; 1623e48354ceSNicholas Bellinger iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); 1624e48354ceSNicholas Bellinger return 0; 1625e48354ceSNicholas Bellinger } 1626e48354ceSNicholas Bellinger 1627e48354ceSNicholas Bellinger static char *lio_tpg_get_endpoint_wwn(struct se_portal_group *se_tpg) 1628e48354ceSNicholas Bellinger { 1629e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; 1630e48354ceSNicholas Bellinger 1631e48354ceSNicholas Bellinger return &tpg->tpg_tiqn->tiqn[0]; 1632e48354ceSNicholas Bellinger } 1633e48354ceSNicholas Bellinger 1634e48354ceSNicholas Bellinger static u16 lio_tpg_get_tag(struct se_portal_group *se_tpg) 1635e48354ceSNicholas Bellinger { 1636e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; 1637e48354ceSNicholas Bellinger 1638e48354ceSNicholas Bellinger return tpg->tpgt; 1639e48354ceSNicholas Bellinger } 1640e48354ceSNicholas Bellinger 1641e48354ceSNicholas Bellinger static u32 lio_tpg_get_default_depth(struct se_portal_group *se_tpg) 1642e48354ceSNicholas Bellinger { 1643e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; 1644e48354ceSNicholas Bellinger 1645e48354ceSNicholas Bellinger return ISCSI_TPG_ATTRIB(tpg)->default_cmdsn_depth; 1646e48354ceSNicholas Bellinger } 1647e48354ceSNicholas Bellinger 1648e48354ceSNicholas Bellinger static int lio_tpg_check_demo_mode(struct se_portal_group *se_tpg) 1649e48354ceSNicholas Bellinger { 1650e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; 1651e48354ceSNicholas Bellinger 1652e48354ceSNicholas Bellinger return ISCSI_TPG_ATTRIB(tpg)->generate_node_acls; 1653e48354ceSNicholas Bellinger } 1654e48354ceSNicholas Bellinger 1655e48354ceSNicholas Bellinger static int lio_tpg_check_demo_mode_cache(struct se_portal_group *se_tpg) 1656e48354ceSNicholas Bellinger { 1657e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; 1658e48354ceSNicholas Bellinger 1659e48354ceSNicholas Bellinger return ISCSI_TPG_ATTRIB(tpg)->cache_dynamic_acls; 1660e48354ceSNicholas Bellinger } 1661e48354ceSNicholas Bellinger 1662e48354ceSNicholas Bellinger static int lio_tpg_check_demo_mode_write_protect( 1663e48354ceSNicholas Bellinger struct se_portal_group *se_tpg) 1664e48354ceSNicholas Bellinger { 1665e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; 1666e48354ceSNicholas Bellinger 1667e48354ceSNicholas Bellinger return ISCSI_TPG_ATTRIB(tpg)->demo_mode_write_protect; 1668e48354ceSNicholas Bellinger } 1669e48354ceSNicholas Bellinger 1670e48354ceSNicholas Bellinger static int lio_tpg_check_prod_mode_write_protect( 1671e48354ceSNicholas Bellinger struct se_portal_group *se_tpg) 1672e48354ceSNicholas Bellinger { 1673e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; 1674e48354ceSNicholas Bellinger 1675e48354ceSNicholas Bellinger return ISCSI_TPG_ATTRIB(tpg)->prod_mode_write_protect; 1676e48354ceSNicholas Bellinger } 1677e48354ceSNicholas Bellinger 1678e48354ceSNicholas Bellinger static void lio_tpg_release_fabric_acl( 1679e48354ceSNicholas Bellinger struct se_portal_group *se_tpg, 1680e48354ceSNicholas Bellinger struct se_node_acl *se_acl) 1681e48354ceSNicholas Bellinger { 1682e48354ceSNicholas Bellinger struct iscsi_node_acl *acl = container_of(se_acl, 1683e48354ceSNicholas Bellinger struct iscsi_node_acl, se_node_acl); 1684e48354ceSNicholas Bellinger kfree(acl); 1685e48354ceSNicholas Bellinger } 1686e48354ceSNicholas Bellinger 1687e48354ceSNicholas Bellinger /* 1688e48354ceSNicholas Bellinger * Called with spin_lock_bh(struct se_portal_group->session_lock) held.. 1689e48354ceSNicholas Bellinger * 1690e48354ceSNicholas Bellinger * Also, this function calls iscsit_inc_session_usage_count() on the 1691e48354ceSNicholas Bellinger * struct iscsi_session in question. 1692e48354ceSNicholas Bellinger */ 1693e48354ceSNicholas Bellinger static int lio_tpg_shutdown_session(struct se_session *se_sess) 1694e48354ceSNicholas Bellinger { 1695e48354ceSNicholas Bellinger struct iscsi_session *sess = se_sess->fabric_sess_ptr; 1696e48354ceSNicholas Bellinger 1697e48354ceSNicholas Bellinger spin_lock(&sess->conn_lock); 1698e48354ceSNicholas Bellinger if (atomic_read(&sess->session_fall_back_to_erl0) || 1699e48354ceSNicholas Bellinger atomic_read(&sess->session_logout) || 1700e48354ceSNicholas Bellinger (sess->time2retain_timer_flags & ISCSI_TF_EXPIRED)) { 1701e48354ceSNicholas Bellinger spin_unlock(&sess->conn_lock); 1702e48354ceSNicholas Bellinger return 0; 1703e48354ceSNicholas Bellinger } 1704e48354ceSNicholas Bellinger atomic_set(&sess->session_reinstatement, 1); 1705e48354ceSNicholas Bellinger spin_unlock(&sess->conn_lock); 1706e48354ceSNicholas Bellinger 1707e48354ceSNicholas Bellinger iscsit_inc_session_usage_count(sess); 1708e48354ceSNicholas Bellinger iscsit_stop_time2retain_timer(sess); 1709e48354ceSNicholas Bellinger 1710e48354ceSNicholas Bellinger return 1; 1711e48354ceSNicholas Bellinger } 1712e48354ceSNicholas Bellinger 1713e48354ceSNicholas Bellinger /* 1714e48354ceSNicholas Bellinger * Calls iscsit_dec_session_usage_count() as inverse of 1715e48354ceSNicholas Bellinger * lio_tpg_shutdown_session() 1716e48354ceSNicholas Bellinger */ 1717e48354ceSNicholas Bellinger static void lio_tpg_close_session(struct se_session *se_sess) 1718e48354ceSNicholas Bellinger { 1719e48354ceSNicholas Bellinger struct iscsi_session *sess = se_sess->fabric_sess_ptr; 1720e48354ceSNicholas Bellinger /* 1721e48354ceSNicholas Bellinger * If the iSCSI Session for the iSCSI Initiator Node exists, 1722e48354ceSNicholas Bellinger * forcefully shutdown the iSCSI NEXUS. 1723e48354ceSNicholas Bellinger */ 1724e48354ceSNicholas Bellinger iscsit_stop_session(sess, 1, 1); 1725e48354ceSNicholas Bellinger iscsit_dec_session_usage_count(sess); 1726e48354ceSNicholas Bellinger iscsit_close_session(sess); 1727e48354ceSNicholas Bellinger } 1728e48354ceSNicholas Bellinger 1729e48354ceSNicholas Bellinger static void lio_tpg_stop_session( 1730e48354ceSNicholas Bellinger struct se_session *se_sess, 1731e48354ceSNicholas Bellinger int sess_sleep, 1732e48354ceSNicholas Bellinger int conn_sleep) 1733e48354ceSNicholas Bellinger { 1734e48354ceSNicholas Bellinger struct iscsi_session *sess = se_sess->fabric_sess_ptr; 1735e48354ceSNicholas Bellinger 1736e48354ceSNicholas Bellinger iscsit_stop_session(sess, sess_sleep, conn_sleep); 1737e48354ceSNicholas Bellinger } 1738e48354ceSNicholas Bellinger 1739e48354ceSNicholas Bellinger static void lio_tpg_fall_back_to_erl0(struct se_session *se_sess) 1740e48354ceSNicholas Bellinger { 1741e48354ceSNicholas Bellinger struct iscsi_session *sess = se_sess->fabric_sess_ptr; 1742e48354ceSNicholas Bellinger 1743e48354ceSNicholas Bellinger iscsit_fall_back_to_erl0(sess); 1744e48354ceSNicholas Bellinger } 1745e48354ceSNicholas Bellinger 1746e48354ceSNicholas Bellinger static u32 lio_tpg_get_inst_index(struct se_portal_group *se_tpg) 1747e48354ceSNicholas Bellinger { 1748e48354ceSNicholas Bellinger struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; 1749e48354ceSNicholas Bellinger 1750e48354ceSNicholas Bellinger return tpg->tpg_tiqn->tiqn_index; 1751e48354ceSNicholas Bellinger } 1752e48354ceSNicholas Bellinger 1753e48354ceSNicholas Bellinger static void lio_set_default_node_attributes(struct se_node_acl *se_acl) 1754e48354ceSNicholas Bellinger { 1755e48354ceSNicholas Bellinger struct iscsi_node_acl *acl = container_of(se_acl, struct iscsi_node_acl, 1756e48354ceSNicholas Bellinger se_node_acl); 1757e48354ceSNicholas Bellinger 1758e48354ceSNicholas Bellinger ISCSI_NODE_ATTRIB(acl)->nacl = acl; 1759e48354ceSNicholas Bellinger iscsit_set_default_node_attribues(acl); 1760e48354ceSNicholas Bellinger } 1761e48354ceSNicholas Bellinger 1762e48354ceSNicholas Bellinger static void lio_release_cmd(struct se_cmd *se_cmd) 1763e48354ceSNicholas Bellinger { 1764e48354ceSNicholas Bellinger struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); 1765e48354ceSNicholas Bellinger 1766e48354ceSNicholas Bellinger iscsit_release_cmd(cmd); 1767e48354ceSNicholas Bellinger } 1768e48354ceSNicholas Bellinger 1769e48354ceSNicholas Bellinger /* End functions for target_core_fabric_ops */ 1770e48354ceSNicholas Bellinger 1771e48354ceSNicholas Bellinger int iscsi_target_register_configfs(void) 1772e48354ceSNicholas Bellinger { 1773e48354ceSNicholas Bellinger struct target_fabric_configfs *fabric; 1774e48354ceSNicholas Bellinger int ret; 1775e48354ceSNicholas Bellinger 1776e48354ceSNicholas Bellinger lio_target_fabric_configfs = NULL; 1777e48354ceSNicholas Bellinger fabric = target_fabric_configfs_init(THIS_MODULE, "iscsi"); 1778e48354ceSNicholas Bellinger if (IS_ERR(fabric)) { 1779e48354ceSNicholas Bellinger pr_err("target_fabric_configfs_init() for" 1780e48354ceSNicholas Bellinger " LIO-Target failed!\n"); 1781e48354ceSNicholas Bellinger return PTR_ERR(fabric); 1782e48354ceSNicholas Bellinger } 1783e48354ceSNicholas Bellinger /* 1784e48354ceSNicholas Bellinger * Setup the fabric API of function pointers used by target_core_mod.. 1785e48354ceSNicholas Bellinger */ 1786e48354ceSNicholas Bellinger fabric->tf_ops.get_fabric_name = &iscsi_get_fabric_name; 1787e48354ceSNicholas Bellinger fabric->tf_ops.get_fabric_proto_ident = &iscsi_get_fabric_proto_ident; 1788e48354ceSNicholas Bellinger fabric->tf_ops.tpg_get_wwn = &lio_tpg_get_endpoint_wwn; 1789e48354ceSNicholas Bellinger fabric->tf_ops.tpg_get_tag = &lio_tpg_get_tag; 1790e48354ceSNicholas Bellinger fabric->tf_ops.tpg_get_default_depth = &lio_tpg_get_default_depth; 1791e48354ceSNicholas Bellinger fabric->tf_ops.tpg_get_pr_transport_id = &iscsi_get_pr_transport_id; 1792e48354ceSNicholas Bellinger fabric->tf_ops.tpg_get_pr_transport_id_len = 1793e48354ceSNicholas Bellinger &iscsi_get_pr_transport_id_len; 1794e48354ceSNicholas Bellinger fabric->tf_ops.tpg_parse_pr_out_transport_id = 1795e48354ceSNicholas Bellinger &iscsi_parse_pr_out_transport_id; 1796e48354ceSNicholas Bellinger fabric->tf_ops.tpg_check_demo_mode = &lio_tpg_check_demo_mode; 1797e48354ceSNicholas Bellinger fabric->tf_ops.tpg_check_demo_mode_cache = 1798e48354ceSNicholas Bellinger &lio_tpg_check_demo_mode_cache; 1799e48354ceSNicholas Bellinger fabric->tf_ops.tpg_check_demo_mode_write_protect = 1800e48354ceSNicholas Bellinger &lio_tpg_check_demo_mode_write_protect; 1801e48354ceSNicholas Bellinger fabric->tf_ops.tpg_check_prod_mode_write_protect = 1802e48354ceSNicholas Bellinger &lio_tpg_check_prod_mode_write_protect; 1803e48354ceSNicholas Bellinger fabric->tf_ops.tpg_alloc_fabric_acl = &lio_tpg_alloc_fabric_acl; 1804e48354ceSNicholas Bellinger fabric->tf_ops.tpg_release_fabric_acl = &lio_tpg_release_fabric_acl; 1805e48354ceSNicholas Bellinger fabric->tf_ops.tpg_get_inst_index = &lio_tpg_get_inst_index; 1806e48354ceSNicholas Bellinger fabric->tf_ops.release_cmd = &lio_release_cmd; 1807e48354ceSNicholas Bellinger fabric->tf_ops.shutdown_session = &lio_tpg_shutdown_session; 1808e48354ceSNicholas Bellinger fabric->tf_ops.close_session = &lio_tpg_close_session; 1809e48354ceSNicholas Bellinger fabric->tf_ops.stop_session = &lio_tpg_stop_session; 1810e48354ceSNicholas Bellinger fabric->tf_ops.fall_back_to_erl0 = &lio_tpg_fall_back_to_erl0; 1811e48354ceSNicholas Bellinger fabric->tf_ops.sess_logged_in = &lio_sess_logged_in; 1812e48354ceSNicholas Bellinger fabric->tf_ops.sess_get_index = &lio_sess_get_index; 1813e48354ceSNicholas Bellinger fabric->tf_ops.sess_get_initiator_sid = &lio_sess_get_initiator_sid; 1814e48354ceSNicholas Bellinger fabric->tf_ops.write_pending = &lio_write_pending; 1815e48354ceSNicholas Bellinger fabric->tf_ops.write_pending_status = &lio_write_pending_status; 1816e48354ceSNicholas Bellinger fabric->tf_ops.set_default_node_attributes = 1817e48354ceSNicholas Bellinger &lio_set_default_node_attributes; 1818e48354ceSNicholas Bellinger fabric->tf_ops.get_task_tag = &iscsi_get_task_tag; 1819e48354ceSNicholas Bellinger fabric->tf_ops.get_cmd_state = &iscsi_get_cmd_state; 1820e48354ceSNicholas Bellinger fabric->tf_ops.queue_data_in = &lio_queue_data_in; 1821e48354ceSNicholas Bellinger fabric->tf_ops.queue_status = &lio_queue_status; 1822e48354ceSNicholas Bellinger fabric->tf_ops.queue_tm_rsp = &lio_queue_tm_rsp; 1823e48354ceSNicholas Bellinger fabric->tf_ops.set_fabric_sense_len = &lio_set_fabric_sense_len; 1824e48354ceSNicholas Bellinger fabric->tf_ops.get_fabric_sense_len = &lio_get_fabric_sense_len; 1825e48354ceSNicholas Bellinger fabric->tf_ops.is_state_remove = &iscsi_is_state_remove; 1826e48354ceSNicholas Bellinger /* 1827e48354ceSNicholas Bellinger * Setup function pointers for generic logic in target_core_fabric_configfs.c 1828e48354ceSNicholas Bellinger */ 1829e48354ceSNicholas Bellinger fabric->tf_ops.fabric_make_wwn = &lio_target_call_coreaddtiqn; 1830e48354ceSNicholas Bellinger fabric->tf_ops.fabric_drop_wwn = &lio_target_call_coredeltiqn; 1831e48354ceSNicholas Bellinger fabric->tf_ops.fabric_make_tpg = &lio_target_tiqn_addtpg; 1832e48354ceSNicholas Bellinger fabric->tf_ops.fabric_drop_tpg = &lio_target_tiqn_deltpg; 1833e48354ceSNicholas Bellinger fabric->tf_ops.fabric_post_link = NULL; 1834e48354ceSNicholas Bellinger fabric->tf_ops.fabric_pre_unlink = NULL; 1835e48354ceSNicholas Bellinger fabric->tf_ops.fabric_make_np = &lio_target_call_addnptotpg; 1836e48354ceSNicholas Bellinger fabric->tf_ops.fabric_drop_np = &lio_target_call_delnpfromtpg; 1837e48354ceSNicholas Bellinger fabric->tf_ops.fabric_make_nodeacl = &lio_target_make_nodeacl; 1838e48354ceSNicholas Bellinger fabric->tf_ops.fabric_drop_nodeacl = &lio_target_drop_nodeacl; 1839e48354ceSNicholas Bellinger /* 1840e48354ceSNicholas Bellinger * Setup default attribute lists for various fabric->tf_cit_tmpl 1841e48354ceSNicholas Bellinger * sturct config_item_type's 1842e48354ceSNicholas Bellinger */ 1843e48354ceSNicholas Bellinger TF_CIT_TMPL(fabric)->tfc_discovery_cit.ct_attrs = lio_target_discovery_auth_attrs; 1844e48354ceSNicholas Bellinger TF_CIT_TMPL(fabric)->tfc_wwn_cit.ct_attrs = lio_target_wwn_attrs; 1845e48354ceSNicholas Bellinger TF_CIT_TMPL(fabric)->tfc_tpg_base_cit.ct_attrs = lio_target_tpg_attrs; 1846e48354ceSNicholas Bellinger TF_CIT_TMPL(fabric)->tfc_tpg_attrib_cit.ct_attrs = lio_target_tpg_attrib_attrs; 1847e48354ceSNicholas Bellinger TF_CIT_TMPL(fabric)->tfc_tpg_param_cit.ct_attrs = lio_target_tpg_param_attrs; 1848e48354ceSNicholas Bellinger TF_CIT_TMPL(fabric)->tfc_tpg_np_base_cit.ct_attrs = lio_target_portal_attrs; 1849e48354ceSNicholas Bellinger TF_CIT_TMPL(fabric)->tfc_tpg_nacl_base_cit.ct_attrs = lio_target_initiator_attrs; 1850e48354ceSNicholas Bellinger TF_CIT_TMPL(fabric)->tfc_tpg_nacl_attrib_cit.ct_attrs = lio_target_nacl_attrib_attrs; 1851e48354ceSNicholas Bellinger TF_CIT_TMPL(fabric)->tfc_tpg_nacl_auth_cit.ct_attrs = lio_target_nacl_auth_attrs; 1852e48354ceSNicholas Bellinger TF_CIT_TMPL(fabric)->tfc_tpg_nacl_param_cit.ct_attrs = lio_target_nacl_param_attrs; 1853e48354ceSNicholas Bellinger 1854e48354ceSNicholas Bellinger ret = target_fabric_configfs_register(fabric); 1855e48354ceSNicholas Bellinger if (ret < 0) { 1856e48354ceSNicholas Bellinger pr_err("target_fabric_configfs_register() for" 1857e48354ceSNicholas Bellinger " LIO-Target failed!\n"); 1858e48354ceSNicholas Bellinger target_fabric_configfs_free(fabric); 1859e48354ceSNicholas Bellinger return ret; 1860e48354ceSNicholas Bellinger } 1861e48354ceSNicholas Bellinger 1862e48354ceSNicholas Bellinger lio_target_fabric_configfs = fabric; 1863e48354ceSNicholas Bellinger pr_debug("LIO_TARGET[0] - Set fabric ->" 1864e48354ceSNicholas Bellinger " lio_target_fabric_configfs\n"); 1865e48354ceSNicholas Bellinger return 0; 1866e48354ceSNicholas Bellinger } 1867e48354ceSNicholas Bellinger 1868e48354ceSNicholas Bellinger 1869e48354ceSNicholas Bellinger void iscsi_target_deregister_configfs(void) 1870e48354ceSNicholas Bellinger { 1871e48354ceSNicholas Bellinger if (!lio_target_fabric_configfs) 1872e48354ceSNicholas Bellinger return; 1873e48354ceSNicholas Bellinger /* 1874e48354ceSNicholas Bellinger * Shutdown discovery sessions and disable discovery TPG 1875e48354ceSNicholas Bellinger */ 1876e48354ceSNicholas Bellinger if (iscsit_global->discovery_tpg) 1877e48354ceSNicholas Bellinger iscsit_tpg_disable_portal_group(iscsit_global->discovery_tpg, 1); 1878e48354ceSNicholas Bellinger 1879e48354ceSNicholas Bellinger target_fabric_configfs_deregister(lio_target_fabric_configfs); 1880e48354ceSNicholas Bellinger lio_target_fabric_configfs = NULL; 1881e48354ceSNicholas Bellinger pr_debug("LIO_TARGET[0] - Cleared" 1882e48354ceSNicholas Bellinger " lio_target_fabric_configfs\n"); 1883e48354ceSNicholas Bellinger } 1884