157 static struct xpt_softc xsoftc;  variable
159 MTX_SYSINIT(xpt_topo_init, &xsoftc.xpt_topo_lock, "XPT topology lock", MTX_DEF);
162            &xsoftc.boot_delay, 0, "Bus registration wait time");
164 	    &xsoftc.xpt_generation, 0, "CAM peripheral generation count");
798 		if (TAILQ_EMPTY(&xsoftc.ccb_scanq))  in xpt_scanner_thread()
799 			msleep(&xsoftc.ccb_scanq, &xsoftc.xpt_topo_lock, PRIBIO,  in xpt_scanner_thread()
801 		if ((ccb = (union ccb *)TAILQ_FIRST(&xsoftc.ccb_scanq)) != NULL) {  in xpt_scanner_thread()
802 			TAILQ_REMOVE(&xsoftc.ccb_scanq, &ccb->ccb_h, sim_links.tqe);  in xpt_scanner_thread()
859 		TAILQ_FOREACH(hdr, &xsoftc.ccb_scanq, sim_links.tqe) {  in xpt_rescan()
861 				wakeup(&xsoftc.ccb_scanq);  in xpt_rescan()
870 	TAILQ_INSERT_TAIL(&xsoftc.ccb_scanq, &ccb->ccb_h, sim_links.tqe);  in xpt_rescan()
872 	wakeup(&xsoftc.ccb_scanq);  in xpt_rescan()
886 	TAILQ_INIT(&xsoftc.xpt_busses);  in xpt_init()
887 	TAILQ_INIT(&xsoftc.ccb_scanq);  in xpt_init()
888 	STAILQ_INIT(&xsoftc.highpowerq);  in xpt_init()
889 	xsoftc.num_highpower = CAM_MAX_HIGHPOWER;  in xpt_init()
891 	mtx_init(&xsoftc.xpt_highpower_lock, "XPT highpower lock", NULL, MTX_DEF);  in xpt_init()
892 	xsoftc.xpt_taskq = taskqueue_create("CAM XPT task", M_WAITOK,  in xpt_init()
893 	    taskqueue_thread_enqueue, /*context*/&xsoftc.xpt_taskq);  in xpt_init()
900 	xsoftc.boot_delay = CAM_BOOT_DELAY;  in xpt_init()
1018 		atomic_add_32(&xsoftc.xpt_generation, 1);  in xpt_add_periph()
1035 		atomic_add_32(&xsoftc.xpt_generation, 1);  in xpt_remove_periph()
1633 				xsoftc.bus_generation;  in xptedtbusfunc()
1767 				xsoftc.bus_generation;  in xptedtdevicefunc()
1881 				xsoftc.bus_generation;  in xptedtperiphfunc()
1930 		    xsoftc.bus_generation) {  in xptedtmatch()
2137 		bus = TAILQ_FIRST(&xsoftc.xpt_busses);  in xptbustraverse()
3262 			taskqueue_enqueue(xsoftc.xpt_taskq,  in xpt_run_allocq()
3316 			mtx_lock(&xsoftc.xpt_highpower_lock);  in xpt_run_devq()
3317 		 	if (xsoftc.num_highpower <= 0) {  in xpt_run_devq()
3325 				STAILQ_INSERT_TAIL(&xsoftc.highpowerq, device,  in xpt_run_devq()
3328 				mtx_unlock(&xsoftc.xpt_highpower_lock);  in xpt_run_devq()
3335 				xsoftc.num_highpower--;  in xpt_run_devq()
3337 			mtx_unlock(&xsoftc.xpt_highpower_lock);  in xpt_run_devq()
3910 	old_bus = TAILQ_FIRST(&xsoftc.xpt_busses);  in xpt_bus_register()
3917 		TAILQ_INSERT_TAIL(&xsoftc.xpt_busses, new_bus, links);  in xpt_bus_register()
3918 	xsoftc.bus_generation++;  in xpt_bus_register()
4015 	mtx_assert(&xsoftc.xpt_topo_lock, MA_OWNED);  in xptnextfreepathid()
4017 	bus = TAILQ_FIRST(&xsoftc.xpt_busses);  in xptnextfreepathid()
4655 	TAILQ_REMOVE(&xsoftc.xpt_busses, bus, links);  in xpt_release_bus()
4656 	xsoftc.bus_generation++;  in xpt_release_bus()
4670 	mtx_assert(&xsoftc.xpt_topo_lock, MA_OWNED);  in xpt_alloc_target()
4876 	taskqueue_enqueue(xsoftc.xpt_taskq, &device->device_destroy_task);  in xpt_release_device()
4901 	for (bus = TAILQ_FIRST(&xsoftc.xpt_busses);  in xpt_find_bus()
5023 	callout_init(&xsoftc.boot_callout, 1);  in xpt_ch_done()
5024 	callout_reset_sbt(&xsoftc.boot_callout, SBT_1MS * xsoftc.boot_delay,  in xpt_ch_done()
5035 	if (taskqueue_start_threads(&xsoftc.xpt_taskq, 1, PRIBIO, "CAM taskq"))  in xpt_config()
5065 	if (xsoftc.buses_to_config++ == 0)  in xpt_hold_boot_locked()
5066 		root_mount_hold_token("CAM", &xsoftc.xpt_rootmount);  in xpt_hold_boot_locked()
5083 	if (--xsoftc.buses_to_config == 0) {  in xpt_release_boot()
5084 		if (xsoftc.buses_config_done == 0) {  in xpt_release_boot()
5085 			xsoftc.buses_config_done = 1;  in xpt_release_boot()
5086 			xsoftc.buses_to_config++;  in xpt_release_boot()
5087 			TASK_INIT(&xsoftc.boot_task, 0, xpt_finishconfig_task,  in xpt_release_boot()
5089 			taskqueue_enqueue(taskqueue_thread, &xsoftc.boot_task);  in xpt_release_boot()
5091 			root_mount_rel(&xsoftc.xpt_rootmount);  in xpt_release_boot()
5240 	mtx_lock(&xsoftc.xpt_topo_lock);  in xpt_lock_buses()
5246 	mtx_unlock(&xsoftc.xpt_topo_lock);  in xpt_unlock_buses()
5277 		mtx_lock(&xsoftc.xpt_highpower_lock);  in xpt_done_process()
5278 		hphead = &xsoftc.highpowerq;  in xpt_done_process()
5285 		xsoftc.num_highpower++;  in xpt_done_process()
5292 			mtx_unlock(&xsoftc.xpt_highpower_lock);  in xpt_done_process()
5299 			mtx_unlock(&xsoftc.xpt_highpower_lock);  in xpt_done_process()