304 	struct vhost_scsi_tpg *tpg = container_of(se_tpg,  in vhost_scsi_get_fabric_wwn()  local
306 	struct vhost_scsi_tport *tport = tpg->tport;  in vhost_scsi_get_fabric_wwn()
313 	struct vhost_scsi_tpg *tpg = container_of(se_tpg,  in vhost_scsi_get_tpgt()  local
315 	return tpg->tport_tpgt;  in vhost_scsi_get_tpgt()
320 	struct vhost_scsi_tpg *tpg = container_of(se_tpg,  in vhost_scsi_check_prot_fabric_only()  local
323 	return tpg->tv_fabric_prot_type;  in vhost_scsi_check_prot_fabric_only()
595 vhost_scsi_get_cmd(struct vhost_virtqueue *vq, struct vhost_scsi_tpg *tpg,  in vhost_scsi_get_cmd()  argument
608 	tv_nexus = tpg->tpg_nexus;  in vhost_scsi_get_cmd()
1015 		struct vhost_scsi_tpg **vs_tpg, *tpg;  in vhost_scsi_get_req()  local
1019 		tpg = READ_ONCE(vs_tpg[*vc->target]);  in vhost_scsi_get_req()
1020 		if (unlikely(!tpg)) {  in vhost_scsi_get_req()
1024 				*tpgp = tpg;  in vhost_scsi_get_req()
1040 	struct vhost_scsi_tpg **vs_tpg, *tpg;  in vhost_scsi_handle_vq()  local
1098 		ret = vhost_scsi_get_req(vq, &vc, &tpg);  in vhost_scsi_handle_vq()
1195 		cmd = vhost_scsi_get_cmd(vq, tpg, cdb, tag, lun, task_attr,  in vhost_scsi_handle_vq()
1301 vhost_scsi_handle_tmf(struct vhost_scsi *vs, struct vhost_scsi_tpg *tpg,  in vhost_scsi_handle_tmf()  argument
1314 	if (!tpg->tpg_nexus || !tpg->tpg_nexus->tvn_se_sess) {  in vhost_scsi_handle_tmf()
1331 	if (target_submit_tmr(&tmf->se_cmd, tpg->tpg_nexus->tvn_se_sess, NULL,  in vhost_scsi_handle_tmf()
1371 	struct vhost_scsi_tpg *tpg;  in vhost_scsi_ctl_handle_vq()  local
1453 		ret = vhost_scsi_get_req(vq, &vc, &tpg);  in vhost_scsi_ctl_handle_vq()
1458 			vhost_scsi_handle_tmf(vs, tpg, vq, &v_req.tmf, &vc);  in vhost_scsi_ctl_handle_vq()
1489 		    struct vhost_scsi_tpg *tpg, struct se_lun *lun,  in vhost_scsi_send_evt()  argument
1498 	if (tpg && lun) {  in vhost_scsi_send_evt()
1505 		evt->event.lun[1] = tpg->tport_tpgt;  in vhost_scsi_send_evt()
1664 	struct vhost_scsi_tpg *tpg;  in vhost_scsi_set_endpoint()  local
1691 	list_for_each_entry(tpg, &vhost_scsi_list, tv_tpg_list) {  in vhost_scsi_set_endpoint()
1692 		mutex_lock(&tpg->tv_tpg_mutex);  in vhost_scsi_set_endpoint()
1693 		if (!tpg->tpg_nexus) {  in vhost_scsi_set_endpoint()
1694 			mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_set_endpoint()
1697 		if (tpg->tv_tpg_vhost_count != 0) {  in vhost_scsi_set_endpoint()
1698 			mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_set_endpoint()
1701 		tv_tport = tpg->tport;  in vhost_scsi_set_endpoint()
1704 			if (vs->vs_tpg && vs->vs_tpg[tpg->tport_tpgt]) {  in vhost_scsi_set_endpoint()
1705 				mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_set_endpoint()
1716 			se_tpg = &tpg->se_tpg;  in vhost_scsi_set_endpoint()
1720 				mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_set_endpoint()
1724 			tpg->tv_tpg_vhost_count++;  in vhost_scsi_set_endpoint()
1725 			tpg->vhost_scsi = vs;  in vhost_scsi_set_endpoint()
1726 			vs_tpg[tpg->tport_tpgt] = tpg;  in vhost_scsi_set_endpoint()
1729 		mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_set_endpoint()
1775 		tpg = vs_tpg[i];  in vhost_scsi_set_endpoint()
1776 		if (tpg) {  in vhost_scsi_set_endpoint()
1777 			mutex_lock(&tpg->tv_tpg_mutex);  in vhost_scsi_set_endpoint()
1778 			tpg->vhost_scsi = NULL;  in vhost_scsi_set_endpoint()
1779 			tpg->tv_tpg_vhost_count--;  in vhost_scsi_set_endpoint()
1780 			mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_set_endpoint()
1781 			target_undepend_item(&tpg->se_tpg.tpg_group.cg_item);  in vhost_scsi_set_endpoint()
1796 	struct vhost_scsi_tpg *tpg;  in vhost_scsi_clear_endpoint()  local
1818 		tpg = vs->vs_tpg[target];  in vhost_scsi_clear_endpoint()
1819 		if (!tpg)  in vhost_scsi_clear_endpoint()
1822 		tv_tport = tpg->tport;  in vhost_scsi_clear_endpoint()
1831 				tv_tport->tport_name, tpg->tport_tpgt,  in vhost_scsi_clear_endpoint()
1862 		tpg = vs->vs_tpg[target];  in vhost_scsi_clear_endpoint()
1863 		if (!tpg)  in vhost_scsi_clear_endpoint()
1866 		mutex_lock(&tpg->tv_tpg_mutex);  in vhost_scsi_clear_endpoint()
1868 		tpg->tv_tpg_vhost_count--;  in vhost_scsi_clear_endpoint()
1869 		tpg->vhost_scsi = NULL;  in vhost_scsi_clear_endpoint()
1872 		mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_clear_endpoint()
1874 		se_tpg = &tpg->se_tpg;  in vhost_scsi_clear_endpoint()
2128 vhost_scsi_do_plug(struct vhost_scsi_tpg *tpg,  in vhost_scsi_do_plug()  argument
2132 	struct vhost_scsi *vs = tpg->vhost_scsi;  in vhost_scsi_do_plug()
2154 		vhost_scsi_send_evt(vs, vq, tpg, lun,  in vhost_scsi_do_plug()
2160 static void vhost_scsi_hotplug(struct vhost_scsi_tpg *tpg, struct se_lun *lun)  in vhost_scsi_hotplug()  argument
2162 	vhost_scsi_do_plug(tpg, lun, true);  in vhost_scsi_hotplug()
2165 static void vhost_scsi_hotunplug(struct vhost_scsi_tpg *tpg, struct se_lun *lun)  in vhost_scsi_hotunplug()  argument
2167 	vhost_scsi_do_plug(tpg, lun, false);  in vhost_scsi_hotunplug()
2173 	struct vhost_scsi_tpg *tpg = container_of(se_tpg,  in vhost_scsi_port_link()  local
2176 	mutex_lock(&tpg->tv_tpg_mutex);  in vhost_scsi_port_link()
2177 	tpg->tv_tpg_port_count++;  in vhost_scsi_port_link()
2178 	vhost_scsi_hotplug(tpg, lun);  in vhost_scsi_port_link()
2179 	mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_port_link()
2187 	struct vhost_scsi_tpg *tpg = container_of(se_tpg,  in vhost_scsi_port_unlink()  local
2190 	mutex_lock(&tpg->tv_tpg_mutex);  in vhost_scsi_port_unlink()
2191 	tpg->tv_tpg_port_count--;  in vhost_scsi_port_unlink()
2192 	vhost_scsi_hotunplug(tpg, lun);  in vhost_scsi_port_unlink()
2193 	mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_port_unlink()
2200 	struct vhost_scsi_tpg *tpg = container_of(se_tpg,  in vhost_scsi_tpg_attrib_fabric_prot_type_store()  local
2213 	tpg->tv_fabric_prot_type = val;  in vhost_scsi_tpg_attrib_fabric_prot_type_store()
2222 	struct vhost_scsi_tpg *tpg = container_of(se_tpg,  in vhost_scsi_tpg_attrib_fabric_prot_type_show()  local
2225 	return sysfs_emit(page, "%d\n", tpg->tv_fabric_prot_type);  in vhost_scsi_tpg_attrib_fabric_prot_type_show()
2235 static int vhost_scsi_make_nexus(struct vhost_scsi_tpg *tpg,  in vhost_scsi_make_nexus()  argument
2240 	mutex_lock(&tpg->tv_tpg_mutex);  in vhost_scsi_make_nexus()
2241 	if (tpg->tpg_nexus) {  in vhost_scsi_make_nexus()
2242 		mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_make_nexus()
2249 		mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_make_nexus()
2258 	tv_nexus->tvn_se_sess = target_setup_session(&tpg->se_tpg, 0, 0,  in vhost_scsi_make_nexus()
2262 		mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_make_nexus()
2266 	tpg->tpg_nexus = tv_nexus;  in vhost_scsi_make_nexus()
2268 	mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_make_nexus()
2272 static int vhost_scsi_drop_nexus(struct vhost_scsi_tpg *tpg)  in vhost_scsi_drop_nexus()  argument
2277 	mutex_lock(&tpg->tv_tpg_mutex);  in vhost_scsi_drop_nexus()
2278 	tv_nexus = tpg->tpg_nexus;  in vhost_scsi_drop_nexus()
2280 		mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_drop_nexus()
2286 		mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_drop_nexus()
2290 	if (tpg->tv_tpg_port_count != 0) {  in vhost_scsi_drop_nexus()
2291 		mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_drop_nexus()
2294 			tpg->tv_tpg_port_count);  in vhost_scsi_drop_nexus()
2298 	if (tpg->tv_tpg_vhost_count != 0) {  in vhost_scsi_drop_nexus()
2299 		mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_drop_nexus()
2302 			tpg->tv_tpg_vhost_count);  in vhost_scsi_drop_nexus()
2307 		" %s Initiator Port: %s\n", vhost_scsi_dump_proto_id(tpg->tport),  in vhost_scsi_drop_nexus()
2314 	tpg->tpg_nexus = NULL;  in vhost_scsi_drop_nexus()
2315 	mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_drop_nexus()
2324 	struct vhost_scsi_tpg *tpg = container_of(se_tpg,  in vhost_scsi_tpg_nexus_show()  local
2329 	mutex_lock(&tpg->tv_tpg_mutex);  in vhost_scsi_tpg_nexus_show()
2330 	tv_nexus = tpg->tpg_nexus;  in vhost_scsi_tpg_nexus_show()
2332 		mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_tpg_nexus_show()
2337 	mutex_unlock(&tpg->tv_tpg_mutex);  in vhost_scsi_tpg_nexus_show()
2346 	struct vhost_scsi_tpg *tpg = container_of(se_tpg,  in vhost_scsi_tpg_nexus_store()  local
2348 	struct vhost_scsi_tport *tport_wwn = tpg->tport;  in vhost_scsi_tpg_nexus_store()
2355 		ret = vhost_scsi_drop_nexus(tpg);  in vhost_scsi_tpg_nexus_store()
2413 	ret = vhost_scsi_make_nexus(tpg, port_ptr);  in vhost_scsi_tpg_nexus_store()
2433 	struct vhost_scsi_tpg *tpg;  in vhost_scsi_make_tpg()  local
2442 	tpg = kzalloc(sizeof(*tpg), GFP_KERNEL);  in vhost_scsi_make_tpg()
2443 	if (!tpg) {  in vhost_scsi_make_tpg()
2447 	mutex_init(&tpg->tv_tpg_mutex);  in vhost_scsi_make_tpg()
2448 	INIT_LIST_HEAD(&tpg->tv_tpg_list);  in vhost_scsi_make_tpg()
2449 	tpg->tport = tport;  in vhost_scsi_make_tpg()
2450 	tpg->tport_tpgt = tpgt;  in vhost_scsi_make_tpg()
2452 	ret = core_tpg_register(wwn, &tpg->se_tpg, tport->tport_proto_id);  in vhost_scsi_make_tpg()
2454 		kfree(tpg);  in vhost_scsi_make_tpg()
2458 	list_add_tail(&tpg->tv_tpg_list, &vhost_scsi_list);  in vhost_scsi_make_tpg()
2461 	return &tpg->se_tpg;  in vhost_scsi_make_tpg()
2466 	struct vhost_scsi_tpg *tpg = container_of(se_tpg,  in vhost_scsi_drop_tpg()  local
2470 	list_del(&tpg->tv_tpg_list);  in vhost_scsi_drop_tpg()
2475 	vhost_scsi_drop_nexus(tpg);  in vhost_scsi_drop_tpg()
2480 	kfree(tpg);  in vhost_scsi_drop_tpg()