diff options
Diffstat (limited to 'drivers/target/iscsi/iscsi_target_configfs.c')
| -rw-r--r-- | drivers/target/iscsi/iscsi_target_configfs.c | 539 |
1 files changed, 367 insertions, 172 deletions
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c index 6b35b37988e..ae03f3e5de1 100644 --- a/drivers/target/iscsi/iscsi_target_configfs.c +++ b/drivers/target/iscsi/iscsi_target_configfs.c @@ -2,9 +2,7 @@ * This file contains the configfs implementation for iSCSI Target mode * from the LIO-Target Project. * - * \u00a9 Copyright 2007-2011 RisingTide Systems LLC. - * - * Licensed to the Linux Foundation under the General Public License (GPL) version 2. + * (c) Copyright 2007-2013 Datera, Inc. * * Author: Nicholas A. Bellinger <nab@linux-iscsi.org> * @@ -20,6 +18,7 @@ ****************************************************************************/ #include <linux/configfs.h> +#include <linux/ctype.h> #include <linux/export.h> #include <linux/inet.h> #include <target/target_core_base.h> @@ -27,6 +26,7 @@ #include <target/target_core_fabric_configfs.h> #include <target/target_core_configfs.h> #include <target/configfs_macros.h> +#include <target/iscsi/iscsi_transport.h> #include "iscsi_target_core.h" #include "iscsi_target_parameters.h" @@ -47,28 +47,6 @@ struct lio_target_configfs_attribute { ssize_t (*store)(void *, const char *, size_t); }; -struct iscsi_portal_group *lio_get_tpg_from_tpg_item( - struct config_item *item, - struct iscsi_tiqn **tiqn_out) -{ - struct se_portal_group *se_tpg = container_of(to_config_group(item), - struct se_portal_group, tpg_group); - struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; - int ret; - - if (!tpg) { - pr_err("Unable to locate struct iscsi_portal_group " - "pointer\n"); - return NULL; - } - ret = iscsit_get_tpg(tpg); - if (ret < 0) - return NULL; - - *tiqn_out = tpg->tpg_tiqn; - return tpg; -} - /* Start items for lio_target_portal_cit */ static ssize_t lio_target_np_show_sctp( @@ -99,11 +77,12 @@ static ssize_t lio_target_np_store_sctp( struct iscsi_tpg_np *tpg_np = container_of(se_tpg_np, struct iscsi_tpg_np, se_tpg_np); struct iscsi_tpg_np *tpg_np_sctp = NULL; - char *endptr; u32 op; int ret; - op = simple_strtoul(page, &endptr, 0); + ret = kstrtou32(page, 0, &op); + if (ret) + return ret; if ((op != 1) && (op != 0)) { pr_err("Illegal value for tpg_enable: %u\n", op); return -EINVAL; @@ -146,8 +125,88 @@ out: TF_NP_BASE_ATTR(lio_target, sctp, S_IRUGO | S_IWUSR); +static ssize_t lio_target_np_show_iser( + struct se_tpg_np *se_tpg_np, + char *page) +{ + struct iscsi_tpg_np *tpg_np = container_of(se_tpg_np, + struct iscsi_tpg_np, se_tpg_np); + struct iscsi_tpg_np *tpg_np_iser; + ssize_t rb; + + tpg_np_iser = iscsit_tpg_locate_child_np(tpg_np, ISCSI_INFINIBAND); + if (tpg_np_iser) + rb = sprintf(page, "1\n"); + else + rb = sprintf(page, "0\n"); + + return rb; +} + +static ssize_t lio_target_np_store_iser( + struct se_tpg_np *se_tpg_np, + const char *page, + size_t count) +{ + struct iscsi_np *np; + struct iscsi_portal_group *tpg; + struct iscsi_tpg_np *tpg_np = container_of(se_tpg_np, + struct iscsi_tpg_np, se_tpg_np); + struct iscsi_tpg_np *tpg_np_iser = NULL; + char *endptr; + u32 op; + int rc = 0; + + op = simple_strtoul(page, &endptr, 0); + if ((op != 1) && (op != 0)) { + pr_err("Illegal value for tpg_enable: %u\n", op); + return -EINVAL; + } + np = tpg_np->tpg_np; + if (!np) { + pr_err("Unable to locate struct iscsi_np from" + " struct iscsi_tpg_np\n"); + return -EINVAL; + } + + tpg = tpg_np->tpg; + if (iscsit_get_tpg(tpg) < 0) + return -EINVAL; + + if (op) { + rc = request_module("ib_isert"); + if (rc != 0) { + pr_warn("Unable to request_module for ib_isert\n"); + rc = 0; + } + + tpg_np_iser = iscsit_tpg_add_network_portal(tpg, &np->np_sockaddr, + np->np_ip, tpg_np, ISCSI_INFINIBAND); + if (IS_ERR(tpg_np_iser)) { + rc = PTR_ERR(tpg_np_iser); + goto out; + } + } else { + tpg_np_iser = iscsit_tpg_locate_child_np(tpg_np, ISCSI_INFINIBAND); + if (tpg_np_iser) { + rc = iscsit_tpg_del_network_portal(tpg, tpg_np_iser); + if (rc < 0) + goto out; + } + } + + iscsit_put_tpg(tpg); + return count; +out: + iscsit_put_tpg(tpg); + return rc; +} + +TF_NP_BASE_ATTR(lio_target, iser, S_IRUGO | S_IWUSR); + static struct configfs_attribute *lio_target_portal_attrs[] = { &lio_target_np_sctp.attr, + &lio_target_np_iser.attr, NULL, }; @@ -157,7 +216,7 @@ static struct configfs_attribute *lio_target_portal_attrs[] = { #define MAX_PORTAL_LEN 256 -struct se_tpg_np *lio_target_call_addnptotpg( +static struct se_tpg_np *lio_target_call_addnptotpg( struct se_portal_group *se_tpg, struct config_group *group, const char *name) @@ -204,9 +263,9 @@ struct se_tpg_np *lio_target_call_addnptotpg( *port_str = '\0'; /* Terminate string for IP */ port_str++; /* Skip over ":" */ - ret = strict_strtoul(port_str, 0, &port); + ret = kstrtoul(port_str, 0, &port); if (ret < 0) { - pr_err("strict_strtoul() failed for port_str: %d\n", ret); + pr_err("kstrtoul() failed for port_str: %d\n", ret); return ERR_PTR(ret); } sock_in6 = (struct sockaddr_in6 *)&sockaddr; @@ -229,9 +288,9 @@ struct se_tpg_np *lio_target_call_addnptotpg( *port_str = '\0'; /* Terminate string for IP */ port_str++; /* Skip over ":" */ - ret = strict_strtoul(port_str, 0, &port); + ret = kstrtoul(port_str, 0, &port); if (ret < 0) { - pr_err("strict_strtoul() failed for port_str: %d\n", ret); + pr_err("kstrtoul() failed for port_str: %d\n", ret); return ERR_PTR(ret); } sock_in = (struct sockaddr_in *)&sockaddr; @@ -257,7 +316,7 @@ struct se_tpg_np *lio_target_call_addnptotpg( * iSER/SCTP (TODO, software emulation with osc-iwarp) * iSER/IB (TODO, hardware available) * - * can be enabled with atributes under + * can be enabled with attributes under * sys/kernel/config/iscsi/$IQN/$TPG/np/$IP:$PORT/ * */ @@ -313,7 +372,7 @@ static ssize_t iscsi_nacl_attrib_show_##name( \ struct iscsi_node_acl *nacl = container_of(se_nacl, struct iscsi_node_acl, \ se_node_acl); \ \ - return sprintf(page, "%u\n", ISCSI_NODE_ATTRIB(nacl)->name); \ + return sprintf(page, "%u\n", nacl->node_attrib.name); \ } \ \ static ssize_t iscsi_nacl_attrib_store_##name( \ @@ -323,11 +382,12 @@ static ssize_t iscsi_nacl_attrib_store_##name( \ { \ struct iscsi_node_acl *nacl = container_of(se_nacl, struct iscsi_node_acl, \ se_node_acl); \ - char *endptr; \ u32 val; \ int ret; \ \ - val = simple_strtoul(page, &endptr, 0); \ + ret = kstrtou32(page, 0, &val); \ + if (ret) \ + return ret; \ ret = iscsit_na_##name(nacl, val); \ if (ret < 0) \ return ret; \ @@ -414,8 +474,9 @@ static ssize_t __iscsi_##prefix##_store_##name( \ \ if (!capable(CAP_SYS_ADMIN)) \ return -EPERM; \ - \ - snprintf(auth->name, PAGE_SIZE, "%s", page); \ + if (count >= sizeof(auth->name)) \ + return -EINVAL; \ + snprintf(auth->name, sizeof(auth->name), "%s", page); \ if (!strncmp("NULL", auth->name, 4)) \ auth->naf_flags &= ~flags; \ else \ @@ -730,11 +791,12 @@ static ssize_t lio_target_nacl_store_cmdsn_depth( struct iscsi_portal_group *tpg = container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); struct config_item *acl_ci, *tpg_ci, *wwn_ci; - char *endptr; u32 cmdsn_depth = 0; int ret; - cmdsn_depth = simple_strtoul(page, &endptr, 0); + ret = kstrtou32(page, 0, &cmdsn_depth); + if (ret) + return ret; if (cmdsn_depth > TA_DEFAULT_CMDSN_DEPTH_MAX) { pr_err("Passed cmdsn_depth: %u exceeds" " TA_DEFAULT_CMDSN_DEPTH_MAX: %u\n", cmdsn_depth, @@ -776,9 +838,33 @@ static ssize_t lio_target_nacl_store_cmdsn_depth( TF_NACL_BASE_ATTR(lio_target, cmdsn_depth, S_IRUGO | S_IWUSR); +static ssize_t lio_target_nacl_show_tag( + struct se_node_acl *se_nacl, + char *page) +{ + return snprintf(page, PAGE_SIZE, "%s", se_nacl->acl_tag); +} + +static ssize_t lio_target_nacl_store_tag( + struct se_node_acl *se_nacl, + const char *page, + size_t count) +{ + int ret; + + ret = core_tpg_set_initiator_node_tag(se_nacl->se_tpg, se_nacl, page); + + if (ret < 0) + return ret; + return count; +} + +TF_NACL_BASE_ATTR(lio_target, tag, S_IRUGO | S_IWUSR); + static struct configfs_attribute *lio_target_initiator_attrs[] = { &lio_target_nacl_info.attr, &lio_target_nacl_cmdsn_depth.attr, + &lio_target_nacl_tag.attr, NULL, }; @@ -812,10 +898,7 @@ static struct se_node_acl *lio_target_make_nodeacl( if (!se_nacl_new) return ERR_PTR(-ENOMEM); - acl = container_of(se_nacl_new, struct iscsi_node_acl, - se_node_acl); - - cmdsn_depth = ISCSI_TPG_ATTRIB(tpg)->default_cmdsn_depth; + cmdsn_depth = tpg->tpg_attrib.default_cmdsn_depth; /* * se_nacl_new may be released by core_tpg_add_initiator_node_acl() * when converting a NdoeACL from demo mode -> explict @@ -825,9 +908,10 @@ static struct se_node_acl *lio_target_make_nodeacl( if (IS_ERR(se_nacl)) return se_nacl; - stats_cg = &acl->se_node_acl.acl_fabric_stat_group; + acl = container_of(se_nacl, struct iscsi_node_acl, se_node_acl); + stats_cg = &se_nacl->acl_fabric_stat_group; - stats_cg->default_groups = kzalloc(sizeof(struct config_group) * 2, + stats_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2, GFP_KERNEL); if (!stats_cg->default_groups) { pr_err("Unable to allocate memory for" @@ -837,9 +921,9 @@ static struct se_node_acl *lio_target_make_nodeacl( return ERR_PTR(-ENOMEM); } - stats_cg->default_groups[0] = &NODE_STAT_GRPS(acl)->iscsi_sess_stats_group; + stats_cg->default_groups[0] = &acl->node_stat_grps.iscsi_sess_stats_group; stats_cg->default_groups[1] = NULL; - config_group_init_type_name(&NODE_STAT_GRPS(acl)->iscsi_sess_stats_group, + config_group_init_type_name(&acl->node_stat_grps.iscsi_sess_stats_group, "iscsi_sess_stats", &iscsi_stat_sess_cit); return se_nacl; @@ -884,7 +968,7 @@ static ssize_t iscsi_tpg_attrib_show_##name( \ if (iscsit_get_tpg(tpg) < 0) \ return -EINVAL; \ \ - rb = sprintf(page, "%u\n", ISCSI_TPG_ATTRIB(tpg)->name); \ + rb = sprintf(page, "%u\n", tpg->tpg_attrib.name); \ iscsit_put_tpg(tpg); \ return rb; \ } \ @@ -896,14 +980,15 @@ static ssize_t iscsi_tpg_attrib_store_##name( \ { \ struct iscsi_portal_group *tpg = container_of(se_tpg, \ struct iscsi_portal_group, tpg_se_tpg); \ - char *endptr; \ u32 val; \ int ret; \ \ if (iscsit_get_tpg(tpg) < 0) \ return -EINVAL; \ \ - val = simple_strtoul(page, &endptr, 0); \ + ret = kstrtou32(page, 0, &val); \ + if (ret) \ + goto out; \ ret = iscsit_ta_##name(tpg, val); \ if (ret < 0) \ goto out; \ @@ -957,6 +1042,21 @@ TPG_ATTR(demo_mode_write_protect, S_IRUGO | S_IWUSR); */ DEF_TPG_ATTRIB(prod_mode_write_protect); TPG_ATTR(prod_mode_write_protect, S_IRUGO | S_IWUSR); +/* + * Define iscsi_tpg_attrib_s_demo_mode_discovery, + */ +DEF_TPG_ATTRIB(demo_mode_discovery); +TPG_ATTR(demo_mode_discovery, S_IRUGO | S_IWUSR); +/* + * Define iscsi_tpg_attrib_s_default_erl + */ +DEF_TPG_ATTRIB(default_erl); +TPG_ATTR(default_erl, S_IRUGO | S_IWUSR); +/* + * Define iscsi_tpg_attrib_s_t10_pi + */ +DEF_TPG_ATTRIB(t10_pi); +TPG_ATTR(t10_pi, S_IRUGO | S_IWUSR); static struct configfs_attribute *lio_target_tpg_attrib_attrs[] = { &iscsi_tpg_attrib_authentication.attr, @@ -967,11 +1067,139 @@ static struct configfs_attribute *lio_target_tpg_attrib_attrs[] = { &iscsi_tpg_attrib_cache_dynamic_acls.attr, &iscsi_tpg_attrib_demo_mode_write_protect.attr, &iscsi_tpg_attrib_prod_mode_write_protect.attr, + &iscsi_tpg_attrib_demo_mode_discovery.attr, + &iscsi_tpg_attrib_default_erl.attr, + &iscsi_tpg_attrib_t10_pi.attr, NULL, }; /* End items for lio_target_tpg_attrib_cit */ +/* Start items for lio_target_tpg_auth_cit */ + +#define __DEF_TPG_AUTH_STR(prefix, name, flags) \ +static ssize_t __iscsi_##prefix##_show_##name( \ + struct se_portal_group *se_tpg, \ + char *page) \ +{ \ + struct iscsi_portal_group *tpg = container_of(se_tpg, \ + struct iscsi_portal_group, tpg_se_tpg); \ + struct iscsi_node_auth *auth = &tpg->tpg_demo_auth; \ + \ + if (!capable(CAP_SYS_ADMIN)) \ + return -EPERM; \ + \ + return snprintf(page, PAGE_SIZE, "%s\n", auth->name); \ +} \ + \ +static ssize_t __iscsi_##prefix##_store_##name( \ + struct se_portal_group *se_tpg, \ + const char *page, \ + size_t count) \ +{ \ + struct iscsi_portal_group *tpg = container_of(se_tpg, \ + struct iscsi_portal_group, tpg_se_tpg); \ + struct iscsi_node_auth *auth = &tpg->tpg_demo_auth; \ + \ + if (!capable(CAP_SYS_ADMIN)) \ + return -EPERM; \ + \ + snprintf(auth->name, sizeof(auth->name), "%s", page); \ + if (!(strncmp("NULL", auth->name, 4))) \ + auth->naf_flags &= ~flags; \ + else \ + auth->naf_flags |= flags; \ + \ + if ((auth->naf_flags & NAF_USERID_IN_SET) && \ + (auth->naf_flags & NAF_PASSWORD_IN_SET)) \ + auth->authenticate_target = 1; \ + else \ + auth->authenticate_target = 0; \ + \ + return count; \ +} + +#define __DEF_TPG_AUTH_INT(prefix, name) \ +static ssize_t __iscsi_##prefix##_show_##name( \ + struct se_portal_group *se_tpg, \ + char *page) \ +{ \ + struct iscsi_portal_group *tpg = container_of(se_tpg, \ + struct iscsi_portal_group, tpg_se_tpg); \ + struct iscsi_node_auth *auth = &tpg->tpg_demo_auth; \ + \ + if (!capable(CAP_SYS_ADMIN)) \ + return -EPERM; \ + \ + return snprintf(page, PAGE_SIZE, "%d\n", auth->name); \ +} + +#define DEF_TPG_AUTH_STR(name, flags) \ + __DEF_TPG_AUTH_STR(tpg_auth, name, flags) \ +static ssize_t iscsi_tpg_auth_show_##name( \ + struct se_portal_group *se_tpg, \ + char *page) \ +{ \ + return __iscsi_tpg_auth_show_##name(se_tpg, page); \ +} \ + \ +static ssize_t iscsi_tpg_auth_store_##name( \ + struct se_portal_group *se_tpg, \ + const char *page, \ + size_t count) \ +{ \ + return __iscsi_tpg_auth_store_##name(se_tpg, page, count); \ +} + +#define DEF_TPG_AUTH_INT(name) \ + __DEF_TPG_AUTH_INT(tpg_auth, name) \ +static ssize_t iscsi_tpg_auth_show_##name( \ + struct se_portal_group *se_tpg, \ + char *page) \ +{ \ + return __iscsi_tpg_auth_show_##name(se_tpg, page); \ +} + +#define TPG_AUTH_ATTR(_name, _mode) TF_TPG_AUTH_ATTR(iscsi, _name, _mode); +#define TPG_AUTH_ATTR_RO(_name) TF_TPG_AUTH_ATTR_RO(iscsi, _name); + +/* + * * One-way authentication userid + * */ +DEF_TPG_AUTH_STR(userid, NAF_USERID_SET); +TPG_AUTH_ATTR(userid, S_IRUGO | S_IWUSR); +/* + * * One-way authentication password + * */ +DEF_TPG_AUTH_STR(password, NAF_PASSWORD_SET); +TPG_AUTH_ATTR(password, S_IRUGO | S_IWUSR); +/* + * * Enforce mutual authentication + * */ +DEF_TPG_AUTH_INT(authenticate_target); +TPG_AUTH_ATTR_RO(authenticate_target); +/* + * * Mutual authentication userid + * */ +DEF_TPG_AUTH_STR(userid_mutual, NAF_USERID_IN_SET); +TPG_AUTH_ATTR(userid_mutual, S_IRUGO | S_IWUSR); +/* + * * Mutual authentication password + * */ +DEF_TPG_AUTH_STR(password_mutual, NAF_PASSWORD_IN_SET); +TPG_AUTH_ATTR(password_mutual, S_IRUGO | S_IWUSR); + +static struct configfs_attribute *lio_target_tpg_auth_attrs[] = { + &iscsi_tpg_auth_userid.attr, + &iscsi_tpg_auth_password.attr, + &iscsi_tpg_auth_authenticate_target.attr, + &iscsi_tpg_auth_userid_mutual.attr, + &iscsi_tpg_auth_password_mutual.attr, + NULL, +}; + +/* End items for lio_target_tpg_auth_cit */ + /* Start items for lio_target_tpg_param_cit */ #define DEF_TPG_PARAM(name) \ @@ -1006,13 +1234,14 @@ static ssize_t iscsi_tpg_param_store_##name( \ struct iscsi_portal_group *tpg = container_of(se_tpg, \ struct iscsi_portal_group, tpg_se_tpg); \ char *buf; \ - int ret; \ + int ret, len; \ \ buf = kzalloc(PAGE_SIZE, GFP_KERNEL); \ if (!buf) \ return -ENOMEM; \ - snprintf(buf, PAGE_SIZE, "%s=%s", __stringify(name), page); \ - buf[strlen(buf)-1] = '\0'; /* Kill newline */ \ + len = snprintf(buf, PAGE_SIZE, "%s=%s", __stringify(name), page); \ + if (isspace(buf[len-1])) \ + buf[len-1] = '\0'; /* Kill newline */ \ \ if (iscsit_get_tpg(tpg) < 0) { \ kfree(buf); \ @@ -1058,6 +1287,9 @@ TPG_PARAM_ATTR(ImmediateData, S_IRUGO | S_IWUSR); DEF_TPG_PARAM(MaxRecvDataSegmentLength); TPG_PARAM_ATTR(MaxRecvDataSegmentLength, S_IRUGO | S_IWUSR); +DEF_TPG_PARAM(MaxXmitDataSegmentLength); +TPG_PARAM_ATTR(MaxXmitDataSegmentLength, S_IRUGO | S_IWUSR); + DEF_TPG_PARAM(MaxBurstLength); TPG_PARAM_ATTR(MaxBurstLength, S_IRUGO | S_IWUSR); @@ -1103,6 +1335,7 @@ static struct configfs_attribute *lio_target_tpg_param_attrs[] = { &iscsi_tpg_param_InitialR2T.attr, &iscsi_tpg_param_ImmediateData.attr, &iscsi_tpg_param_MaxRecvDataSegmentLength.attr, + &iscsi_tpg_param_MaxXmitDataSegmentLength.attr, &iscsi_tpg_param_MaxBurstLength.attr, &iscsi_tpg_param_FirstBurstLength.attr, &iscsi_tpg_param_DefaultTime2Wait.attr, @@ -1145,11 +1378,12 @@ static ssize_t lio_target_tpg_store_enable( { struct iscsi_portal_group *tpg = container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); - char *endptr; u32 op; - int ret = 0; + int ret; - op = simple_strtoul(page, &endptr, 0); + ret = kstrtou32(page, 0, &op); + if (ret) + return ret; if ((op != 1) && (op != 0)) { pr_err("Illegal value for tpg_enable: %u\n", op); return -EINVAL; @@ -1190,22 +1424,22 @@ static struct configfs_attribute *lio_target_tpg_attrs[] = { /* Start items for lio_target_tiqn_cit */ -struct se_portal_group *lio_target_tiqn_addtpg( +static struct se_portal_group *lio_target_tiqn_addtpg( struct se_wwn *wwn, struct config_group *group, const char *name) { struct iscsi_portal_group *tpg; struct iscsi_tiqn *tiqn; - char *tpgt_str, *end_ptr; - int ret = 0; - unsigned short int tpgt; + char *tpgt_str; + int ret; + u16 tpgt; tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn); /* * Only tpgt_# directory groups can be created below * target/iscsi/iqn.superturodiskarry/ - */ + */ tpgt_str = strstr(name, "tpgt_"); if (!tpgt_str) { pr_err("Unable to locate \"tpgt_#\" directory" @@ -1213,7 +1447,9 @@ struct se_portal_group *lio_target_tiqn_addtpg( return NULL; } tpgt_str += 5; /* Skip ahead of "tpgt_" */ - tpgt = (unsigned short int) simple_strtoul(tpgt_str, &end_ptr, 0); + ret = kstrtou16(tpgt_str, 0, &tpgt); + if (ret) + return NULL; tpg = iscsit_alloc_portal_group(tiqn, tpgt); if (!tpg) @@ -1240,7 +1476,7 @@ out: return NULL; } -void lio_target_tiqn_deltpg(struct se_portal_group *se_tpg) +static void lio_target_tiqn_deltpg(struct se_portal_group *se_tpg) { struct iscsi_portal_group *tpg; struct iscsi_tiqn *tiqn; @@ -1262,7 +1498,7 @@ static ssize_t lio_target_wwn_show_attr_lio_version( struct target_fabric_configfs *tf, char *page) { - return sprintf(page, "RisingTide Systems Linux-iSCSI Target "ISCSIT_VERSION"\n"); + return sprintf(page, "Datera Inc. iSCSI Target "ISCSIT_VERSION"\n"); } TF_WWN_ATTR_RO(lio_target, lio_version); @@ -1272,7 +1508,7 @@ static struct configfs_attribute *lio_target_wwn_attrs[] = { NULL, }; -struct se_wwn *lio_target_call_coreaddtiqn( +static struct se_wwn *lio_target_call_coreaddtiqn( struct target_fabric_configfs *tf, struct config_group *group, const char *name) @@ -1288,7 +1524,7 @@ struct se_wwn *lio_target_call_coreaddtiqn( */ stats_cg = &tiqn->tiqn_wwn.fabric_stat_group; - stats_cg->default_groups = kzalloc(sizeof(struct config_group) * 6, + stats_cg->default_groups = kmalloc(sizeof(struct config_group *) * 6, GFP_KERNEL); if (!stats_cg->default_groups) { pr_err("Unable to allocate memory for" @@ -1297,21 +1533,21 @@ struct se_wwn *lio_target_call_coreaddtiqn( return ERR_PTR(-ENOMEM); } - stats_cg->default_groups[0] = &WWN_STAT_GRPS(tiqn)->iscsi_instance_group; - stats_cg->default_groups[1] = &WWN_STAT_GRPS(tiqn)->iscsi_sess_err_group; - stats_cg->default_groups[2] = &WWN_STAT_GRPS(tiqn)->iscsi_tgt_attr_group; - stats_cg->default_groups[3] = &WWN_STAT_GRPS(tiqn)->iscsi_login_stats_group; - stats_cg->default_groups[4] = &WWN_STAT_GRPS(tiqn)->iscsi_logout_stats_group; + stats_cg->default_groups[0] = &tiqn->tiqn_stat_grps.iscsi_instance_group; + stats_cg->default_groups[1] = &tiqn->tiqn_stat_grps.iscsi_sess_err_group; + stats_cg->default_groups[2] = &tiqn->tiqn_stat_grps.iscsi_tgt_attr_group; + stats_cg->default_groups[3] = &tiqn->tiqn_stat_grps.iscsi_login_stats_group; + stats_cg->default_groups[4] = &tiqn->tiqn_stat_grps.iscsi_logout_stats_group; stats_cg->default_groups[5] = NULL; - config_group_init_type_name(&WWN_STAT_GRPS(tiqn)->iscsi_instance_group, + config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_instance_group, "iscsi_instance", &iscsi_stat_instance_cit); - config_group_init_type_name(&WWN_STAT_GRPS(tiqn)->iscsi_sess_err_group, + config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_sess_err_group, "iscsi_sess_err", &iscsi_stat_sess_err_cit); - config_group_init_type_name(&WWN_STAT_GRPS(tiqn)->iscsi_tgt_attr_group, + config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_tgt_attr_group, "iscsi_tgt_attr", &iscsi_stat_tgt_attr_cit); - config_group_init_type_name(&WWN_STAT_GRPS(tiqn)->iscsi_login_stats_group, + config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_login_stats_group, "iscsi_login_stats", &iscsi_stat_login_cit); - config_group_init_type_name(&WWN_STAT_GRPS(tiqn)->iscsi_logout_stats_group, + config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_logout_stats_group, "iscsi_logout_stats", &iscsi_stat_logout_cit); pr_debug("LIO_Target_ConfigFS: REGISTER -> %s\n", tiqn->tiqn); @@ -1320,7 +1556,7 @@ struct se_wwn *lio_target_call_coreaddtiqn( return &tiqn->tiqn_wwn; } -void lio_target_call_coredeltiqn( +static void lio_target_call_coredeltiqn( struct se_wwn *wwn) { struct iscsi_tiqn *tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn); @@ -1421,10 +1657,12 @@ static ssize_t iscsi_disc_store_enforce_discovery_auth( { struct iscsi_param *param; struct iscsi_portal_group *discovery_tpg = iscsit_global->discovery_tpg; - char *endptr; u32 op; + int err; - op = simple_strtoul(page, &endptr, 0); + err = kstrtou32(page, 0, &op); + if (err) + return -EINVAL; if ((op != 1) && (op != 0)) { pr_err("Illegal value for enforce_discovery_auth:" " %u\n", op); @@ -1495,7 +1733,8 @@ static u32 iscsi_get_task_tag(struct se_cmd *se_cmd) { struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); - return cmd->init_task_tag; + /* only used for printks or comparism with ->ref_task_tag */ + return (__force u32)cmd->init_task_tag; } static int iscsi_get_cmd_state(struct se_cmd *se_cmd) @@ -1505,28 +1744,6 @@ static int iscsi_get_cmd_state(struct se_cmd *se_cmd) return cmd->i_state; } -static int iscsi_is_state_remove(struct se_cmd *se_cmd) -{ - struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); - - return (cmd->i_state == ISTATE_REMOVE); -} - -static int lio_sess_logged_in(struct se_session *se_sess) -{ - struct iscsi_session *sess = se_sess->fabric_sess_ptr; - int ret; - /* - * Called with spin_lock_bh(&tpg_lock); and - * spin_lock(&se_tpg->session_lock); held. - */ - spin_lock(&sess->conn_lock); - ret = (sess->session_state != TARG_SESS_STATE_LOGGED_IN); - spin_unlock(&sess->conn_lock); - - return ret; -} - static u32 lio_sess_get_index(struct se_session *se_sess) { struct iscsi_session *sess = se_sess->fabric_sess_ptr; @@ -1553,16 +1770,18 @@ static int lio_queue_data_in(struct se_cmd *se_cmd) struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); cmd->i_state = ISTATE_SEND_DATAIN; - iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); + cmd->conn->conn_transport->iscsit_queue_data_in(cmd->conn, cmd); + return 0; } static int lio_write_pending(struct se_cmd *se_cmd) { struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + struct iscsi_conn *conn = cmd->conn; if (!cmd->immediate_data && !cmd->unsolicited_data) - return iscsit_build_r2ts_for_cmd(cmd, cmd->conn, 1); + return conn->conn_transport->iscsit_get_dataout(conn, cmd, false); return 0; } @@ -1584,40 +1803,29 @@ static int lio_queue_status(struct se_cmd *se_cmd) struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); cmd->i_state = ISTATE_SEND_STATUS; - iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); + + if (cmd->se_cmd.scsi_status || cmd->sense_reason) { + iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); + return 0; + } + cmd->conn->conn_transport->iscsit_queue_status(cmd->conn, cmd); + return 0; } -static u16 lio_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length) +static void lio_queue_tm_rsp(struct se_cmd *se_cmd) { - unsigned char *buffer = se_cmd->sense_buffer; - /* - * From RFC-3720 10.4.7. Data Segment - Sense and Response Data Segment - * 16-bit SenseLength. - */ - buffer[0] = ((sense_length >> 8) & 0xff); - buffer[1] = (sense_length & 0xff); - /* - * Return two byte offset into allocated sense_buffer. - */ - return 2; -} + struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); -static u16 lio_get_fabric_sense_len(void) -{ - /* - * Return two byte offset into allocated sense_buffer. - */ - return 2; + cmd->i_state = ISTATE_SEND_TASKMGTRSP; + iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); } -static int lio_queue_tm_rsp(struct se_cmd *se_cmd) +static void lio_aborted_task(struct se_cmd *se_cmd) { struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); - cmd->i_state = ISTATE_SEND_TASKMGTRSP; - iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); - return 0; + cmd->conn->conn_transport->iscsit_aborted_task(cmd->conn, cmd); } static char *lio_tpg_get_endpoint_wwn(struct se_portal_group *se_tpg) @@ -1638,21 +1846,21 @@ static u32 lio_tpg_get_default_depth(struct se_portal_group *se_tpg) { struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; - return ISCSI_TPG_ATTRIB(tpg)->default_cmdsn_depth; + return tpg->tpg_attrib.default_cmdsn_depth; } static int lio_tpg_check_demo_mode(struct se_portal_group *se_tpg) { struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; - return ISCSI_TPG_ATTRIB(tpg)->generate_node_acls; + return tpg->tpg_attrib.generate_node_acls; } static int lio_tpg_check_demo_mode_cache(struct se_portal_group *se_tpg) { struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; - return ISCSI_TPG_ATTRIB(tpg)->cache_dynamic_acls; + return tpg->tpg_attrib.cache_dynamic_acls; } static int lio_tpg_check_demo_mode_write_protect( @@ -1660,7 +1868,7 @@ static int lio_tpg_check_demo_mode_write_protect( { struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; - return ISCSI_TPG_ATTRIB(tpg)->demo_mode_write_protect; + return tpg->tpg_attrib.demo_mode_write_protect; } static int lio_tpg_check_prod_mode_write_protect( @@ -1668,7 +1876,7 @@ static int lio_tpg_check_prod_mode_write_protect( { struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; - return ISCSI_TPG_ATTRIB(tpg)->prod_mode_write_protect; + return tpg->tpg_attrib.prod_mode_write_protect; } static void lio_tpg_release_fabric_acl( @@ -1700,8 +1908,8 @@ static int lio_tpg_shutdown_session(struct se_session *se_sess) atomic_set(&sess->session_reinstatement, 1); spin_unlock(&sess->conn_lock); - iscsit_inc_session_usage_count(sess); iscsit_stop_time2retain_timer(sess); + iscsit_stop_session(sess, 1, 1); return 1; } @@ -1717,28 +1925,9 @@ static void lio_tpg_close_session(struct se_session *se_sess) * If the iSCSI Session for the iSCSI Initiator Node exists, * forcefully shutdown the iSCSI NEXUS. */ - iscsit_stop_session(sess, 1, 1); - iscsit_dec_session_usage_count(sess); iscsit_close_session(sess); } -static void lio_tpg_stop_session( - struct se_session *se_sess, - int sess_sleep, - int conn_sleep) -{ - struct iscsi_session *sess = se_sess->fabric_sess_ptr; - - iscsit_stop_session(sess, sess_sleep, conn_sleep); -} - -static void lio_tpg_fall_back_to_erl0(struct se_session *se_sess) -{ - struct iscsi_session *sess = se_sess->fabric_sess_ptr; - - iscsit_fall_back_to_erl0(sess); -} - static u32 lio_tpg_get_inst_index(struct se_portal_group *se_tpg) { struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; @@ -1750,15 +1939,24 @@ static void lio_set_default_node_attributes(struct se_node_acl *se_acl) { struct iscsi_node_acl *acl = container_of(se_acl, struct iscsi_node_acl, se_node_acl); + struct se_portal_group *se_tpg = se_acl->se_tpg; + struct iscsi_portal_group *tpg = container_of(se_tpg, + struct iscsi_portal_group, tpg_se_tpg); - ISCSI_NODE_ATTRIB(acl)->nacl = acl; - iscsit_set_default_node_attribues(acl); + acl->node_attrib.nacl = acl; + iscsit_set_default_node_attribues(acl, tpg); +} + +static int lio_check_stop_free(struct se_cmd *se_cmd) +{ + return target_put_sess_cmd(se_cmd->se_sess, se_cmd); } static void lio_release_cmd(struct se_cmd *se_cmd) { struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + pr_debug("Entering lio_release_cmd for se_cmd: %p\n", se_cmd); iscsit_release_cmd(cmd); } @@ -1799,12 +1997,10 @@ int iscsi_target_register_configfs(void) fabric->tf_ops.tpg_alloc_fabric_acl = &lio_tpg_alloc_fabric_acl; fabric->tf_ops.tpg_release_fabric_acl = &lio_tpg_release_fabric_acl; fabric->tf_ops.tpg_get_inst_index = &lio_tpg_get_inst_index; + fabric->tf_ops.check_stop_free = &lio_check_stop_free, fabric->tf_ops.release_cmd = &lio_release_cmd; fabric->tf_ops.shutdown_session = &lio_tpg_shutdown_session; fabric->tf_ops.close_session = &lio_tpg_close_session; - fabric->tf_ops.stop_session = &lio_tpg_stop_session; - fabric->tf_ops.fall_back_to_erl0 = &lio_tpg_fall_back_to_erl0; - fabric->tf_ops.sess_logged_in = &lio_sess_logged_in; fabric->tf_ops.sess_get_index = &lio_sess_get_index; fabric->tf_ops.sess_get_initiator_sid = &lio_sess_get_initiator_sid; fabric->tf_ops.write_pending = &lio_write_pending; @@ -1816,9 +2012,7 @@ int iscsi_target_register_configfs(void) fabric->tf_ops.queue_data_in = &lio_queue_data_in; fabric->tf_ops.queue_status = &lio_queue_status; fabric->tf_ops.queue_tm_rsp = &lio_queue_tm_rsp; - fabric->tf_ops.set_fabric_sense_len = &lio_set_fabric_sense_len; - fabric->tf_ops.get_fabric_sense_len = &lio_get_fabric_sense_len; - fabric->tf_ops.is_state_remove = &iscsi_is_state_remove; + fabric->tf_ops.aborted_task = &lio_aborted_task; /* * Setup function pointers for generic logic in target_core_fabric_configfs.c */ @@ -1836,16 +2030,17 @@ int iscsi_target_register_configfs(void) * Setup default attribute lists for various fabric->tf_cit_tmpl * sturct config_item_type's */ - TF_CIT_TMPL(fabric)->tfc_discovery_cit.ct_attrs = lio_target_discovery_auth_attrs; - TF_CIT_TMPL(fabric)->tfc_wwn_cit.ct_attrs = lio_target_wwn_attrs; - TF_CIT_TMPL(fabric)->tfc_tpg_base_cit.ct_attrs = lio_target_tpg_attrs; - TF_CIT_TMPL(fabric)->tfc_tpg_attrib_cit.ct_attrs = lio_target_tpg_attrib_attrs; - TF_CIT_TMPL(fabric)->tfc_tpg_param_cit.ct_attrs = lio_target_tpg_param_attrs; - TF_CIT_TMPL(fabric)->tfc_tpg_np_base_cit.ct_attrs = lio_target_portal_attrs; - TF_CIT_TMPL(fabric)->tfc_tpg_nacl_base_cit.ct_attrs = lio_target_initiator_attrs; - TF_CIT_TMPL(fabric)->tfc_tpg_nacl_attrib_cit.ct_attrs = lio_target_nacl_attrib_attrs; - TF_CIT_TMPL(fabric)->tfc_tpg_nacl_auth_cit.ct_attrs = lio_target_nacl_auth_attrs; - TF_CIT_TMPL(fabric)->tfc_tpg_nacl_param_cit.ct_attrs = lio_target_nacl_param_attrs; + fabric->tf_cit_tmpl.tfc_discovery_cit.ct_attrs = lio_target_discovery_auth_attrs; + fabric->tf_cit_tmpl.tfc_wwn_cit.ct_attrs = lio_target_wwn_attrs; + fabric->tf_cit_tmpl.tfc_tpg_base_cit.ct_attrs = lio_target_tpg_attrs; + fabric->tf_cit_tmpl.tfc_tpg_attrib_cit.ct_attrs = lio_target_tpg_attrib_attrs; + fabric->tf_cit_tmpl.tfc_tpg_auth_cit.ct_attrs = lio_target_tpg_auth_attrs; + fabric->tf_cit_tmpl.tfc_tpg_param_cit.ct_attrs = lio_target_tpg_param_attrs; + fabric->tf_cit_tmpl.tfc_tpg_np_base_cit.ct_attrs = lio_target_portal_attrs; + fabric->tf_cit_tmpl.tfc_tpg_nacl_base_cit.ct_attrs = lio_target_initiator_attrs; + fabric->tf_cit_tmpl.tfc_tpg_nacl_attrib_cit.ct_attrs = lio_target_nacl_attrib_attrs; + fabric->tf_cit_tmpl.tfc_tpg_nacl_auth_cit.ct_attrs = lio_target_nacl_auth_attrs; + fabric->tf_cit_tmpl.tfc_tpg_nacl_param_cit.ct_attrs = lio_target_nacl_param_attrs; ret = target_fabric_configfs_register(fabric); if (ret < 0) { |