1 files changed, 677 insertions, 0 deletions

diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
new file mode 100644
index 000000000000..fcdbbffe88cc
--- /dev/null
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -0,0 +1,677 @@
+/*******************************************************************************
+ * Filename:  tcm_fc.c
+ *
+ * This file contains the configfs implementation for TCM_fc fabric node.
+ * Based on tcm_loop_configfs.c
+ *
+ * Copyright (c) 2010 Cisco Systems, Inc.
+ * Copyright (c) 2009,2010 Rising Tide, Inc.
+ * Copyright (c) 2009,2010 Linux-iSCSI.org
+ *
+ * Copyright (c) 2009,2010 Nicholas A. Bellinger <nab@linux-iscsi.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ ****************************************************************************/
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/version.h>
+#include <generated/utsrelease.h>
+#include <linux/utsname.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/kthread.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/configfs.h>
+#include <linux/ctype.h>
+#include <asm/unaligned.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/libfc.h>
+
+#include <target/target_core_base.h>
+#include <target/target_core_transport.h>
+#include <target/target_core_fabric_ops.h>
+#include <target/target_core_fabric_configfs.h>
+#include <target/target_core_fabric_lib.h>
+#include <target/target_core_device.h>
+#include <target/target_core_tpg.h>
+#include <target/target_core_configfs.h>
+#include <target/target_core_base.h>
+#include <target/configfs_macros.h>
+
+#include "tcm_fc.h"
+
+struct target_fabric_configfs *ft_configfs;
+
+LIST_HEAD(ft_lport_list);
+DEFINE_MUTEX(ft_lport_lock);
+
+unsigned int ft_debug_logging;
+module_param_named(debug_logging, ft_debug_logging, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(debug_logging, "a bit mask of logging levels");
+
+/*
+ * Parse WWN.
+ * If strict, we require lower-case hex and colon separators to be sure
+ * the name is the same as what would be generated by ft_format_wwn()
+ * so the name and wwn are mapped one-to-one.
+ */
+static ssize_t ft_parse_wwn(const char *name, u64 *wwn, int strict)
+{
+        const char *cp;
+        char c;
+        u32 nibble;
+        u32 byte = 0;
+        u32 pos = 0;
+        u32 err;
+
+        *wwn = 0;
+        for (cp = name; cp < &name[FT_NAMELEN - 1]; cp++) {
+                c = *cp;
+                if (c == '\n' && cp[1] == '\0')
+                        continue;
+                if (strict && pos++ == 2 && byte++ < 7) {
+                        pos = 0;
+                        if (c == ':')
+                                continue;
+                        err = 1;
+                        goto fail;
+                }
+                if (c == '\0') {
+                        err = 2;
+                        if (strict && byte != 8)
+                                goto fail;
+                        return cp - name;
+                }
+                err = 3;
+                if (isdigit(c))
+                        nibble = c - '0';
+                else if (isxdigit(c) && (islower(c) || !strict))
+                        nibble = tolower(c) - 'a' + 10;
+                else
+                        goto fail;
+                *wwn = (*wwn << 4) | nibble;
+        }
+        err = 4;
+fail:
+        FT_CONF_DBG("err %u len %zu pos %u byte %u\n",
+                    err, cp - name, pos, byte);
+        return -1;
+}
+
+ssize_t ft_format_wwn(char *buf, size_t len, u64 wwn)
+{
+        u8 b[8];
+
+        put_unaligned_be64(wwn, b);
+        return snprintf(buf, len,
+                 "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
+                 b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7]);
+}
+
+static ssize_t ft_wwn_show(void *arg, char *buf)
+{
+        u64 *wwn = arg;
+        ssize_t len;
+
+        len = ft_format_wwn(buf, PAGE_SIZE - 2, *wwn);
+        buf[len++] = '\n';
+        return len;
+}
+
+static ssize_t ft_wwn_store(void *arg, const char *buf, size_t len)
+{
+        ssize_t ret;
+        u64 wwn;
+
+        ret = ft_parse_wwn(buf, &wwn, 0);
+        if (ret > 0)
+                *(u64 *)arg = wwn;
+        return ret;
+}
+
+/*
+ * ACL auth ops.
+ */
+
+static ssize_t ft_nacl_show_port_name(
+        struct se_node_acl *se_nacl,
+        char *page)
+{
+        struct ft_node_acl *acl = container_of(se_nacl,
+                        struct ft_node_acl, se_node_acl);
+
+        return ft_wwn_show(&acl->node_auth.port_name, page);
+}
+
+static ssize_t ft_nacl_store_port_name(
+        struct se_node_acl *se_nacl,
+        const char *page,
+        size_t count)
+{
+        struct ft_node_acl *acl = container_of(se_nacl,
+                        struct ft_node_acl, se_node_acl);
+
+        return ft_wwn_store(&acl->node_auth.port_name, page, count);
+}
+
+TF_NACL_BASE_ATTR(ft, port_name, S_IRUGO | S_IWUSR);
+
+static ssize_t ft_nacl_show_node_name(
+        struct se_node_acl *se_nacl,
+        char *page)
+{
+        struct ft_node_acl *acl = container_of(se_nacl,
+                        struct ft_node_acl, se_node_acl);
+
+        return ft_wwn_show(&acl->node_auth.node_name, page);
+}
+
+static ssize_t ft_nacl_store_node_name(
+        struct se_node_acl *se_nacl,
+        const char *page,
+        size_t count)
+{
+        struct ft_node_acl *acl = container_of(se_nacl,
+                        struct ft_node_acl, se_node_acl);
+
+        return ft_wwn_store(&acl->node_auth.node_name, page, count);
+}
+
+TF_NACL_BASE_ATTR(ft, node_name, S_IRUGO | S_IWUSR);
+
+static struct configfs_attribute *ft_nacl_base_attrs[] = {
+        &ft_nacl_port_name.attr,
+        &ft_nacl_node_name.attr,
+        NULL,
+};
+
+/*
+ * ACL ops.
+ */
+
+/*
+ * Add ACL for an initiator.  The ACL is named arbitrarily.
+ * The port_name and/or node_name are attributes.
+ */
+static struct se_node_acl *ft_add_acl(
+        struct se_portal_group *se_tpg,
+        struct config_group *group,
+        const char *name)
+{
+        struct ft_node_acl *acl;
+        struct ft_tpg *tpg;
+        u64 wwpn;
+        u32 q_depth;
+
+        FT_CONF_DBG("add acl %s\n", name);
+        tpg = container_of(se_tpg, struct ft_tpg, se_tpg);
+
+        if (ft_parse_wwn(name, &wwpn, 1) < 0)
+                return ERR_PTR(-EINVAL);
+
+        acl = kzalloc(sizeof(struct ft_node_acl), GFP_KERNEL);
+        if (!(acl))
+                return ERR_PTR(-ENOMEM);
+        acl->node_auth.port_name = wwpn;
+
+        q_depth = 32;           /* XXX bogus default - get from tpg? */
+        return core_tpg_add_initiator_node_acl(&tpg->se_tpg,
+                                &acl->se_node_acl, name, q_depth);
+}
+
+static void ft_del_acl(struct se_node_acl *se_acl)
+{
+        struct se_portal_group *se_tpg = se_acl->se_tpg;
+        struct ft_tpg *tpg;
+        struct ft_node_acl *acl = container_of(se_acl,
+                                struct ft_node_acl, se_node_acl);
+
+        FT_CONF_DBG("del acl %s\n",
+                config_item_name(&se_acl->acl_group.cg_item));
+
+        tpg = container_of(se_tpg, struct ft_tpg, se_tpg);
+        FT_CONF_DBG("del acl %p se_acl %p tpg %p se_tpg %p\n",
+                    acl, se_acl, tpg, &tpg->se_tpg);
+
+        core_tpg_del_initiator_node_acl(&tpg->se_tpg, se_acl, 1);
+        kfree(acl);
+}
+
+struct ft_node_acl *ft_acl_get(struct ft_tpg *tpg, struct fc_rport_priv *rdata)
+{
+        struct ft_node_acl *found = NULL;
+        struct ft_node_acl *acl;
+        struct se_portal_group *se_tpg = &tpg->se_tpg;
+        struct se_node_acl *se_acl;
+
+        spin_lock_bh(&se_tpg->acl_node_lock);
+        list_for_each_entry(se_acl, &se_tpg->acl_node_list, acl_list) {
+                acl = container_of(se_acl, struct ft_node_acl, se_node_acl);
+                FT_CONF_DBG("acl %p port_name %llx\n",
+                        acl, (unsigned long long)acl->node_auth.port_name);
+                if (acl->node_auth.port_name == rdata->ids.port_name ||
+                    acl->node_auth.node_name == rdata->ids.node_name) {
+                        FT_CONF_DBG("acl %p port_name %llx matched\n", acl,
+                                    (unsigned long long)rdata->ids.port_name);
+                        found = acl;
+                        /* XXX need to hold onto ACL */
+                        break;
+                }
+        }
+        spin_unlock_bh(&se_tpg->acl_node_lock);
+        return found;
+}
+
+struct se_node_acl *ft_tpg_alloc_fabric_acl(struct se_portal_group *se_tpg)
+{
+        struct ft_node_acl *acl;
+
+        acl = kzalloc(sizeof(*acl), GFP_KERNEL);
+        if (!(acl)) {
+                printk(KERN_ERR "Unable to allocate struct ft_node_acl\n");
+                return NULL;
+        }
+        FT_CONF_DBG("acl %p\n", acl);
+        return &acl->se_node_acl;
+}
+
+static void ft_tpg_release_fabric_acl(struct se_portal_group *se_tpg,
+                                      struct se_node_acl *se_acl)
+{
+        struct ft_node_acl *acl = container_of(se_acl,
+                                struct ft_node_acl, se_node_acl);
+
+        FT_CONF_DBG(KERN_INFO "acl %p\n", acl);
+        kfree(acl);
+}
+
+/*
+ * local_port port_group (tpg) ops.
+ */
+static struct se_portal_group *ft_add_tpg(
+        struct se_wwn *wwn,
+        struct config_group *group,
+        const char *name)
+{
+        struct ft_lport_acl *lacl;
+        struct ft_tpg *tpg;
+        unsigned long index;
+        int ret;
+
+        FT_CONF_DBG("tcm_fc: add tpg %s\n", name);
+
+        /*
+         * Name must be "tpgt_" followed by the index.
+         */
+        if (strstr(name, "tpgt_") != name)
+                return NULL;
+        if (strict_strtoul(name + 5, 10, &index) || index > UINT_MAX)
+                return NULL;
+
+        lacl = container_of(wwn, struct ft_lport_acl, fc_lport_wwn);
+        tpg = kzalloc(sizeof(*tpg), GFP_KERNEL);
+        if (!tpg)
+                return NULL;
+        tpg->index = index;
+        tpg->lport_acl = lacl;
+        INIT_LIST_HEAD(&tpg->lun_list);
+        transport_init_queue_obj(&tpg->qobj);
+
+        ret = core_tpg_register(&ft_configfs->tf_ops, wwn, &tpg->se_tpg,
+                                (void *)tpg, TRANSPORT_TPG_TYPE_NORMAL);
+        if (ret < 0) {
+                kfree(tpg);
+                return NULL;
+        }
+
+        tpg->thread = kthread_run(ft_thread, tpg, "ft_tpg%lu", index);
+        if (IS_ERR(tpg->thread)) {
+                kfree(tpg);
+                return NULL;
+        }
+
+        mutex_lock(&ft_lport_lock);
+        list_add_tail(&tpg->list, &lacl->tpg_list);
+        mutex_unlock(&ft_lport_lock);
+
+        return &tpg->se_tpg;
+}
+
+static void ft_del_tpg(struct se_portal_group *se_tpg)
+{
+        struct ft_tpg *tpg = container_of(se_tpg, struct ft_tpg, se_tpg);
+
+        FT_CONF_DBG("del tpg %s\n",
+                    config_item_name(&tpg->se_tpg.tpg_group.cg_item));
+
+        kthread_stop(tpg->thread);
+
+        /* Wait for sessions to be freed thru RCU, for BUG_ON below */
+        synchronize_rcu();
+
+        mutex_lock(&ft_lport_lock);
+        list_del(&tpg->list);
+        if (tpg->tport) {
+                tpg->tport->tpg = NULL;
+                tpg->tport = NULL;
+        }
+        mutex_unlock(&ft_lport_lock);
+
+        core_tpg_deregister(se_tpg);
+        kfree(tpg);
+}
+
+/*
+ * Verify that an lport is configured to use the tcm_fc module, and return
+ * the target port group that should be used.
+ *
+ * The caller holds ft_lport_lock.
+ */
+struct ft_tpg *ft_lport_find_tpg(struct fc_lport *lport)
+{
+        struct ft_lport_acl *lacl;
+        struct ft_tpg *tpg;
+
+        list_for_each_entry(lacl, &ft_lport_list, list) {
+                if (lacl->wwpn == lport->wwpn) {
+                        list_for_each_entry(tpg, &lacl->tpg_list, list)
+                                return tpg; /* XXX for now return first entry */
+                        return NULL;
+                }
+        }
+        return NULL;
+}
+
+/*
+ * target config instance ops.
+ */
+
+/*
+ * Add lport to allowed config.
+ * The name is the WWPN in lower-case ASCII, colon-separated bytes.
+ */
+static struct se_wwn *ft_add_lport(
+        struct target_fabric_configfs *tf,
+        struct config_group *group,
+        const char *name)
+{
+        struct ft_lport_acl *lacl;
+        struct ft_lport_acl *old_lacl;
+        u64 wwpn;
+
+        FT_CONF_DBG("add lport %s\n", name);
+        if (ft_parse_wwn(name, &wwpn, 1) < 0)
+                return NULL;
+        lacl = kzalloc(sizeof(*lacl), GFP_KERNEL);
+        if (!lacl)
+                return NULL;
+        lacl->wwpn = wwpn;
+        INIT_LIST_HEAD(&lacl->tpg_list);
+
+        mutex_lock(&ft_lport_lock);
+        list_for_each_entry(old_lacl, &ft_lport_list, list) {
+                if (old_lacl->wwpn == wwpn) {
+                        mutex_unlock(&ft_lport_lock);
+                        kfree(lacl);
+                        return NULL;
+                }
+        }
+        list_add_tail(&lacl->list, &ft_lport_list);
+        ft_format_wwn(lacl->name, sizeof(lacl->name), wwpn);
+        mutex_unlock(&ft_lport_lock);
+
+        return &lacl->fc_lport_wwn;
+}
+
+static void ft_del_lport(struct se_wwn *wwn)
+{
+        struct ft_lport_acl *lacl = container_of(wwn,
+                                struct ft_lport_acl, fc_lport_wwn);
+
+        FT_CONF_DBG("del lport %s\n",
+                        config_item_name(&wwn->wwn_group.cg_item));
+        mutex_lock(&ft_lport_lock);
+        list_del(&lacl->list);
+        mutex_unlock(&ft_lport_lock);
+
+        kfree(lacl);
+}
+
+static ssize_t ft_wwn_show_attr_version(
+        struct target_fabric_configfs *tf,
+        char *page)
+{
+        return sprintf(page, "TCM FC " FT_VERSION " on %s/%s on "
+                ""UTS_RELEASE"\n",  utsname()->sysname, utsname()->machine);
+}
+
+TF_WWN_ATTR_RO(ft, version);
+
+static struct configfs_attribute *ft_wwn_attrs[] = {
+        &ft_wwn_version.attr,
+        NULL,
+};
+
+static char *ft_get_fabric_name(void)
+{
+        return "fc";
+}
+
+static char *ft_get_fabric_wwn(struct se_portal_group *se_tpg)
+{
+        struct ft_tpg *tpg = se_tpg->se_tpg_fabric_ptr;
+
+        return tpg->lport_acl->name;
+}
+
+static u16 ft_get_tag(struct se_portal_group *se_tpg)
+{
+        struct ft_tpg *tpg = se_tpg->se_tpg_fabric_ptr;
+
+        /*
+         * This tag is used when forming SCSI Name identifier in EVPD=1 0x83
+         * to represent the SCSI Target Port.
+         */
+        return tpg->index;
+}
+
+static u32 ft_get_default_depth(struct se_portal_group *se_tpg)
+{
+        return 1;
+}
+
+static int ft_check_false(struct se_portal_group *se_tpg)
+{
+        return 0;
+}
+
+static void ft_set_default_node_attr(struct se_node_acl *se_nacl)
+{
+}
+
+static u16 ft_get_fabric_sense_len(void)
+{
+        return 0;
+}
+
+static u16 ft_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_len)
+{
+        return 0;
+}
+
+static u32 ft_tpg_get_inst_index(struct se_portal_group *se_tpg)
+{
+        struct ft_tpg *tpg = se_tpg->se_tpg_fabric_ptr;
+
+        return tpg->index;
+}
+
+static u64 ft_pack_lun(unsigned int index)
+{
+        WARN_ON(index >= 256);
+        /* Caller wants this byte-swapped */
+        return cpu_to_le64((index & 0xff) << 8);
+}
+
+static struct target_core_fabric_ops ft_fabric_ops = {
+        .get_fabric_name =              ft_get_fabric_name,
+        .get_fabric_proto_ident =       fc_get_fabric_proto_ident,
+        .tpg_get_wwn =                  ft_get_fabric_wwn,
+        .tpg_get_tag =                  ft_get_tag,
+        .tpg_get_default_depth =        ft_get_default_depth,
+        .tpg_get_pr_transport_id =      fc_get_pr_transport_id,
+        .tpg_get_pr_transport_id_len =  fc_get_pr_transport_id_len,
+        .tpg_parse_pr_out_transport_id = fc_parse_pr_out_transport_id,
+        .tpg_check_demo_mode =          ft_check_false,
+        .tpg_check_demo_mode_cache =    ft_check_false,
+        .tpg_check_demo_mode_write_protect = ft_check_false,
+        .tpg_check_prod_mode_write_protect = ft_check_false,
+        .tpg_alloc_fabric_acl =         ft_tpg_alloc_fabric_acl,
+        .tpg_release_fabric_acl =       ft_tpg_release_fabric_acl,
+        .tpg_get_inst_index =           ft_tpg_get_inst_index,
+        .check_stop_free =              ft_check_stop_free,
+        .release_cmd_to_pool =          ft_release_cmd,
+        .release_cmd_direct =           ft_release_cmd,
+        .shutdown_session =             ft_sess_shutdown,
+        .close_session =                ft_sess_close,
+        .stop_session =                 ft_sess_stop,
+        .fall_back_to_erl0 =            ft_sess_set_erl0,
+        .sess_logged_in =               ft_sess_logged_in,
+        .sess_get_index =               ft_sess_get_index,
+        .sess_get_initiator_sid =       NULL,
+        .write_pending =                ft_write_pending,
+        .write_pending_status =         ft_write_pending_status,
+        .set_default_node_attributes =  ft_set_default_node_attr,
+        .get_task_tag =                 ft_get_task_tag,
+        .get_cmd_state =                ft_get_cmd_state,
+        .new_cmd_failure =              ft_new_cmd_failure,
+        .queue_data_in =                ft_queue_data_in,
+        .queue_status =                 ft_queue_status,
+        .queue_tm_rsp =                 ft_queue_tm_resp,
+        .get_fabric_sense_len =         ft_get_fabric_sense_len,
+        .set_fabric_sense_len =         ft_set_fabric_sense_len,
+        .is_state_remove =              ft_is_state_remove,
+        .pack_lun =                     ft_pack_lun,
+        /*
+         * Setup function pointers for generic logic in
+         * target_core_fabric_configfs.c
+         */
+        .fabric_make_wwn =              &ft_add_lport,
+        .fabric_drop_wwn =              &ft_del_lport,
+        .fabric_make_tpg =              &ft_add_tpg,
+        .fabric_drop_tpg =              &ft_del_tpg,
+        .fabric_post_link =             NULL,
+        .fabric_pre_unlink =            NULL,
+        .fabric_make_np =               NULL,
+        .fabric_drop_np =               NULL,
+        .fabric_make_nodeacl =          &ft_add_acl,
+        .fabric_drop_nodeacl =          &ft_del_acl,
+};
+
+int ft_register_configfs(void)
+{
+        struct target_fabric_configfs *fabric;
+        int ret;
+
+        /*
+         * Register the top level struct config_item_type with TCM core
+         */
+        fabric = target_fabric_configfs_init(THIS_MODULE, "fc");
+        if (!fabric) {
+                printk(KERN_INFO "%s: target_fabric_configfs_init() failed!\n",
+                       __func__);
+                return -1;
+        }
+        fabric->tf_ops = ft_fabric_ops;
+
+        /* Allowing support for task_sg_chaining */
+        fabric->tf_ops.task_sg_chaining = 1;
+
+        /*
+         * Setup default attribute lists for various fabric->tf_cit_tmpl
+         */
+        TF_CIT_TMPL(fabric)->tfc_wwn_cit.ct_attrs = ft_wwn_attrs;
+        TF_CIT_TMPL(fabric)->tfc_tpg_base_cit.ct_attrs = NULL;
+        TF_CIT_TMPL(fabric)->tfc_tpg_attrib_cit.ct_attrs = NULL;
+        TF_CIT_TMPL(fabric)->tfc_tpg_param_cit.ct_attrs = NULL;
+        TF_CIT_TMPL(fabric)->tfc_tpg_np_base_cit.ct_attrs = NULL;
+        TF_CIT_TMPL(fabric)->tfc_tpg_nacl_base_cit.ct_attrs =
+                                                    ft_nacl_base_attrs;
+        TF_CIT_TMPL(fabric)->tfc_tpg_nacl_attrib_cit.ct_attrs = NULL;
+        TF_CIT_TMPL(fabric)->tfc_tpg_nacl_auth_cit.ct_attrs = NULL;
+        TF_CIT_TMPL(fabric)->tfc_tpg_nacl_param_cit.ct_attrs = NULL;
+        /*
+         * register the fabric for use within TCM
+         */
+        ret = target_fabric_configfs_register(fabric);
+        if (ret < 0) {
+                FT_CONF_DBG("target_fabric_configfs_register() for"
+                            " FC Target failed!\n");
+                printk(KERN_INFO
+                       "%s: target_fabric_configfs_register() failed!\n",
+                       __func__);
+                target_fabric_configfs_free(fabric);
+                return -1;
+        }
+
+        /*
+         * Setup our local pointer to *fabric.
+         */
+        ft_configfs = fabric;
+        return 0;
+}
+
+void ft_deregister_configfs(void)
+{
+        if (!ft_configfs)
+                return;
+        target_fabric_configfs_deregister(ft_configfs);
+        ft_configfs = NULL;
+}
+
+static struct notifier_block ft_notifier = {
+        .notifier_call = ft_lport_notify
+};
+
+static int __init ft_init(void)
+{
+        if (ft_register_configfs())
+                return -1;
+        if (fc_fc4_register_provider(FC_TYPE_FCP, &ft_prov)) {
+                ft_deregister_configfs();
+                return -1;
+        }
+        blocking_notifier_chain_register(&fc_lport_notifier_head, &ft_notifier);
+        fc_lport_iterate(ft_lport_add, NULL);
+        return 0;
+}
+
+static void __exit ft_exit(void)
+{
+        blocking_notifier_chain_unregister(&fc_lport_notifier_head,
+                                           &ft_notifier);
+        fc_fc4_deregister_provider(FC_TYPE_FCP, &ft_prov);
+        fc_lport_iterate(ft_lport_del, NULL);
+        ft_deregister_configfs();
+        synchronize_rcu();
+}
+
+#ifdef MODULE
+MODULE_DESCRIPTION("FC TCM fabric driver " FT_VERSION);
+MODULE_LICENSE("GPL");
+module_init(ft_init);
+module_exit(ft_exit);
+#endif /* MODULE */