234 /* DEVICE_ATTR(state) clashes with dev_attr_state for sdev */
438 	struct scsi_device *sdev;  in scsi_device_cls_release()  local
440 	sdev = class_to_sdev(class_dev);  in scsi_device_cls_release()
441 	put_device(&sdev->sdev_gendev);  in scsi_device_cls_release()
446 	struct scsi_device *sdev = to_scsi_device(dev);  in scsi_device_dev_release()  local
457 	scsi_dh_release_device(sdev);  in scsi_device_dev_release()
459 	parent = sdev->sdev_gendev.parent;  in scsi_device_dev_release()
461 	spin_lock_irqsave(sdev->host->host_lock, flags);  in scsi_device_dev_release()
462 	list_del(&sdev->siblings);  in scsi_device_dev_release()
463 	list_del(&sdev->same_target_siblings);  in scsi_device_dev_release()
464 	list_del(&sdev->starved_entry);  in scsi_device_dev_release()
465 	spin_unlock_irqrestore(sdev->host->host_lock, flags);  in scsi_device_dev_release()
467 	cancel_work_sync(&sdev->event_work);  in scsi_device_dev_release()
469 	list_for_each_safe(this, tmp, &sdev->event_list) {  in scsi_device_dev_release()
477 	blk_put_queue(sdev->request_queue);  in scsi_device_dev_release()
479 	sdev->request_queue = NULL;  in scsi_device_dev_release()
481 	sbitmap_free(&sdev->budget_map);  in scsi_device_dev_release()
483 	mutex_lock(&sdev->inquiry_mutex);  in scsi_device_dev_release()
484 	vpd_pg0 = rcu_replace_pointer(sdev->vpd_pg0, vpd_pg0,  in scsi_device_dev_release()
485 				       lockdep_is_held(&sdev->inquiry_mutex));  in scsi_device_dev_release()
486 	vpd_pg80 = rcu_replace_pointer(sdev->vpd_pg80, vpd_pg80,  in scsi_device_dev_release()
487 				       lockdep_is_held(&sdev->inquiry_mutex));  in scsi_device_dev_release()
488 	vpd_pg83 = rcu_replace_pointer(sdev->vpd_pg83, vpd_pg83,  in scsi_device_dev_release()
489 				       lockdep_is_held(&sdev->inquiry_mutex));  in scsi_device_dev_release()
490 	vpd_pg89 = rcu_replace_pointer(sdev->vpd_pg89, vpd_pg89,  in scsi_device_dev_release()
491 				       lockdep_is_held(&sdev->inquiry_mutex));  in scsi_device_dev_release()
492 	vpd_pgb0 = rcu_replace_pointer(sdev->vpd_pgb0, vpd_pgb0,  in scsi_device_dev_release()
493 				       lockdep_is_held(&sdev->inquiry_mutex));  in scsi_device_dev_release()
494 	vpd_pgb1 = rcu_replace_pointer(sdev->vpd_pgb1, vpd_pgb1,  in scsi_device_dev_release()
495 				       lockdep_is_held(&sdev->inquiry_mutex));  in scsi_device_dev_release()
496 	vpd_pgb2 = rcu_replace_pointer(sdev->vpd_pgb2, vpd_pgb2,  in scsi_device_dev_release()
497 				       lockdep_is_held(&sdev->inquiry_mutex));  in scsi_device_dev_release()
498 	vpd_pgb7 = rcu_replace_pointer(sdev->vpd_pgb7, vpd_pgb7,  in scsi_device_dev_release()
499 				       lockdep_is_held(&sdev->inquiry_mutex));  in scsi_device_dev_release()
500 	mutex_unlock(&sdev->inquiry_mutex);  in scsi_device_dev_release()
518 	kfree(sdev->inquiry);  in scsi_device_dev_release()
519 	kfree(sdev);  in scsi_device_dev_release()
546 	const struct scsi_device *sdev;  in scsi_bus_uevent()  local
551 	sdev = to_scsi_device(dev);  in scsi_bus_uevent()
553 	add_uevent_var(env, "MODALIAS=" SCSI_DEVICE_MODALIAS_FMT, sdev->type);  in scsi_bus_uevent()
595 	struct scsi_device *sdev;					\
596 	sdev = to_scsi_device(dev);					\
597 	return snprintf (buf, 20, format_string, sdev->field);		\
622 	struct scsi_device *sdev = to_scsi_device(dev);  in sdev_show_device_busy()  local
623 	return snprintf(buf, 20, "%d\n", scsi_device_busy(sdev));  in sdev_show_device_busy()
631 	struct scsi_device *sdev = to_scsi_device(dev);  in sdev_show_device_blocked()  local
632 	return snprintf(buf, 20, "%d\n", atomic_read(&sdev->device_blocked));  in sdev_show_device_blocked()
642 	struct scsi_device *sdev;  in sdev_show_timeout()  local
643 	sdev = to_scsi_device(dev);  in sdev_show_timeout()
644 	return snprintf(buf, 20, "%d\n", sdev->request_queue->rq_timeout / HZ);  in sdev_show_timeout()
651 	struct scsi_device *sdev = to_scsi_device(dev);  in sdev_store_timeout()  local
659 	blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);  in sdev_store_timeout()
667 	struct scsi_device *sdev;  in sdev_show_eh_timeout()  local
668 	sdev = to_scsi_device(dev);  in sdev_show_eh_timeout()
669 	return snprintf(buf, 20, "%u\n", sdev->eh_timeout / HZ);  in sdev_show_eh_timeout()
676 	struct scsi_device *sdev;  in sdev_store_eh_timeout()  local
683 	sdev = to_scsi_device(dev);  in sdev_store_eh_timeout()
687 	sdev->eh_timeout = eh_timeout * HZ;  in sdev_store_eh_timeout()
707 	struct scsi_device *sdev = to_scsi_device(dev);  in sdev_store_delete()  local
713 	if (scsi_device_get(sdev))  in sdev_store_delete()
729 	scsi_remove_device(sdev);  in sdev_store_delete()
732 	scsi_device_put(sdev);  in sdev_store_delete()
742 	struct scsi_device *sdev = to_scsi_device(dev);  in store_state_field()  local
762 	mutex_lock(&sdev->state_mutex);  in store_state_field()
763 	switch (sdev->sdev_state) {  in store_state_field()
768 		mutex_unlock(&sdev->state_mutex);  in store_state_field()
771 	if (sdev->sdev_state == SDEV_RUNNING && state == SDEV_RUNNING) {  in store_state_field()
774 		ret = scsi_device_set_state(sdev, state);  in store_state_field()
778 	mutex_unlock(&sdev->state_mutex);  in store_state_field()
789 		blk_mq_run_hw_queues(sdev->request_queue, true);  in store_state_field()
790 		scsi_rescan_device(sdev);  in store_state_field()
799 	struct scsi_device *sdev = to_scsi_device(dev);  in show_state_field()  local
800 	const char *name = scsi_device_state_name(sdev->sdev_state);  in show_state_field()
814 	struct scsi_device *sdev = to_scsi_device(dev);  in show_queue_type_field()  local
817 	if (sdev->simple_tags)  in show_queue_type_field()
827 	struct scsi_device *sdev = to_scsi_device(dev);  in store_queue_type_field()  local
829 	if (!sdev->tagged_supported)  in store_queue_type_field()
832 	sdev_printk(KERN_INFO, sdev,  in store_queue_type_field()
847 	struct scsi_device *sdev = to_scsi_device(dev);			\
852 	vpd_page = rcu_dereference(sdev->vpd_##_page);			\
879 	struct scsi_device *sdev = to_scsi_device(dev);  in show_inquiry()  local
881 	if (!sdev->inquiry)  in show_inquiry()
884 	return memory_read_from_buffer(buf, count, &off, sdev->inquiry,  in show_inquiry()
885 				       sdev->inquiry_len);  in show_inquiry()
911 	struct scsi_device *sdev = to_scsi_device(dev);			\
912 	unsigned long long count = atomic_read(&sdev->field);		\
925 	struct scsi_device *sdev;  in sdev_show_modalias()  local
926 	sdev = to_scsi_device(dev);  in sdev_show_modalias()
927 	return snprintf (buf, 20, SCSI_DEVICE_MODALIAS_FMT "\n", sdev->type);  in sdev_show_modalias()
936 	struct scsi_device *sdev = to_scsi_device(dev);			\
937 	int val = test_bit(SDEV_EVT_##Cap_name, sdev->supported_events);\
946 	struct scsi_device *sdev = to_scsi_device(dev);			\
949 		clear_bit(SDEV_EVT_##Cap_name, sdev->supported_events);	\
951 		set_bit(SDEV_EVT_##Cap_name, sdev->supported_events);	\
976 	struct scsi_device *sdev = to_scsi_device(dev);  in DECLARE_EVT()  local
977 	const struct scsi_host_template *sht = sdev->host->hostt;  in DECLARE_EVT()
984 	if (depth < 1 || depth > sdev->host->can_queue)  in DECLARE_EVT()
987 	retval = sht->change_queue_depth(sdev, depth);  in DECLARE_EVT()
991 	sdev->max_queue_depth = sdev->queue_depth;  in DECLARE_EVT()
1004 	struct scsi_device *sdev = to_scsi_device(dev);  in sdev_show_wwid()  local
1007 	count = scsi_vpd_lun_id(sdev, buf, PAGE_SIZE);  in sdev_show_wwid()
1027 	struct scsi_device *sdev = to_scsi_device(dev);  in sdev_show_blacklist()  local
1031 	for (i = 0; i < sizeof(sdev->sdev_bflags) * BITS_PER_BYTE; i++) {  in sdev_show_blacklist()
1034 		if (!(sdev->sdev_bflags & (__force blist_flags_t)BIT(i)))  in sdev_show_blacklist()
1057 	struct scsi_device *sdev = to_scsi_device(dev);  in sdev_show_dh_state()  local
1059 	if (!sdev->handler)  in sdev_show_dh_state()
1062 	return snprintf(buf, 20, "%s\n", sdev->handler->name);  in sdev_show_dh_state()
1069 	struct scsi_device *sdev = to_scsi_device(dev);  in sdev_store_dh_state()  local
1072 	if (sdev->sdev_state == SDEV_CANCEL ||  in sdev_store_dh_state()
1073 	    sdev->sdev_state == SDEV_DEL)  in sdev_store_dh_state()
1076 	if (!sdev->handler) {  in sdev_store_dh_state()
1080 		err = scsi_dh_attach(sdev->request_queue, buf);  in sdev_store_dh_state()
1085 		if (sdev->handler->activate)  in sdev_store_dh_state()
1086 			err = sdev->handler->activate(sdev, NULL, NULL);  in sdev_store_dh_state()
1093 		sdev_printk(KERN_WARNING, sdev,  in sdev_store_dh_state()
1095 			    sdev->handler->name);  in sdev_store_dh_state()
1110 	struct scsi_device *sdev = to_scsi_device(dev);  in sdev_show_access_state()  local
1114 	if (!sdev->handler)  in sdev_show_access_state()
1117 	access_state = (sdev->access_state & SCSI_ACCESS_STATE_MASK);  in sdev_show_access_state()
1130 	struct scsi_device *sdev = to_scsi_device(dev);  in sdev_show_preferred_path()  local
1132 	if (!sdev->handler)  in sdev_show_preferred_path()
1135 	if (sdev->access_state & SCSI_ACCESS_STATE_PREFERRED)  in sdev_show_preferred_path()
1148 	struct scsi_device *sdev;  in sdev_show_queue_ramp_up_period()  local
1149 	sdev = to_scsi_device(dev);  in sdev_show_queue_ramp_up_period()
1151 			jiffies_to_msecs(sdev->queue_ramp_up_period));  in sdev_show_queue_ramp_up_period()
1159 	struct scsi_device *sdev = to_scsi_device(dev);  in sdev_store_queue_ramp_up_period()  local
1165 	sdev->queue_ramp_up_period = msecs_to_jiffies(period);  in sdev_store_queue_ramp_up_period()
1176 	struct scsi_device *sdev = to_scsi_device(dev);  in sdev_show_cdl_enable()  local
1178 	return sysfs_emit(buf, "%d\n", (int)sdev->cdl_enable);  in sdev_show_cdl_enable()
1204 	struct scsi_device *sdev = to_scsi_device(dev);  in scsi_sdev_attr_is_visible()  local
1208 	    !sdev->host->hostt->change_queue_depth)  in scsi_sdev_attr_is_visible()
1212 	    !sdev->host->hostt->change_queue_depth)  in scsi_sdev_attr_is_visible()
1222 	struct scsi_device *sdev = to_scsi_device(dev);  in scsi_sdev_bin_attr_is_visible()  local
1225 	if (attr == &dev_attr_vpd_pg0 && !sdev->vpd_pg0)  in scsi_sdev_bin_attr_is_visible()
1228 	if (attr == &dev_attr_vpd_pg80 && !sdev->vpd_pg80)  in scsi_sdev_bin_attr_is_visible()
1231 	if (attr == &dev_attr_vpd_pg83 && !sdev->vpd_pg83)  in scsi_sdev_bin_attr_is_visible()
1234 	if (attr == &dev_attr_vpd_pg89 && !sdev->vpd_pg89)  in scsi_sdev_bin_attr_is_visible()
1237 	if (attr == &dev_attr_vpd_pgb0 && !sdev->vpd_pgb0)  in scsi_sdev_bin_attr_is_visible()
1240 	if (attr == &dev_attr_vpd_pgb1 && !sdev->vpd_pgb1)  in scsi_sdev_bin_attr_is_visible()
1243 	if (attr == &dev_attr_vpd_pgb2 && !sdev->vpd_pgb2)  in scsi_sdev_bin_attr_is_visible()
1246 	if (attr == &dev_attr_vpd_pgb7 && !sdev->vpd_pgb7)  in scsi_sdev_bin_attr_is_visible()
1341  * @sdev:	scsi_device to add
1346 int scsi_sysfs_add_sdev(struct scsi_device *sdev)  in scsi_sysfs_add_sdev()  argument
1349 	struct scsi_target *starget = sdev->sdev_target;  in scsi_sysfs_add_sdev()
1351 	if (WARN_ON_ONCE(scsi_device_is_pseudo_dev(sdev)))  in scsi_sysfs_add_sdev()
1360 	device_enable_async_suspend(&sdev->sdev_gendev);  in scsi_sysfs_add_sdev()
1362 	pm_runtime_set_active(&sdev->sdev_gendev);  in scsi_sysfs_add_sdev()
1363 	if (!sdev->rpm_autosuspend)  in scsi_sysfs_add_sdev()
1364 		pm_runtime_forbid(&sdev->sdev_gendev);  in scsi_sysfs_add_sdev()
1365 	pm_runtime_enable(&sdev->sdev_gendev);  in scsi_sysfs_add_sdev()
1368 	scsi_autopm_get_device(sdev);  in scsi_sysfs_add_sdev()
1370 	scsi_dh_add_device(sdev);  in scsi_sysfs_add_sdev()
1372 	error = device_add(&sdev->sdev_gendev);  in scsi_sysfs_add_sdev()
1374 		sdev_printk(KERN_INFO, sdev,  in scsi_sysfs_add_sdev()
1379 	device_enable_async_suspend(&sdev->sdev_dev);  in scsi_sysfs_add_sdev()
1380 	error = device_add(&sdev->sdev_dev);  in scsi_sysfs_add_sdev()
1382 		sdev_printk(KERN_INFO, sdev,  in scsi_sysfs_add_sdev()
1384 		device_del(&sdev->sdev_gendev);  in scsi_sysfs_add_sdev()
1387 	transport_add_device(&sdev->sdev_gendev);  in scsi_sysfs_add_sdev()
1388 	sdev->is_visible = 1;  in scsi_sysfs_add_sdev()
1391 		sdev->bsg_dev = scsi_bsg_register_queue(sdev);  in scsi_sysfs_add_sdev()
1392 		if (IS_ERR(sdev->bsg_dev)) {  in scsi_sysfs_add_sdev()
1393 			error = PTR_ERR(sdev->bsg_dev);  in scsi_sysfs_add_sdev()
1394 			sdev_printk(KERN_INFO, sdev,  in scsi_sysfs_add_sdev()
1397 			sdev->bsg_dev = NULL;  in scsi_sysfs_add_sdev()
1401 	scsi_autopm_put_device(sdev);  in scsi_sysfs_add_sdev()
1405 void __scsi_remove_device(struct scsi_device *sdev)  in __scsi_remove_device()  argument
1407 	struct device *dev = &sdev->sdev_gendev;  in __scsi_remove_device()
1415 	if (sdev->sdev_state == SDEV_DEL)  in __scsi_remove_device()
1418 	if (sdev->is_visible) {  in __scsi_remove_device()
1423 		mutex_lock(&sdev->state_mutex);  in __scsi_remove_device()
1429 		res = scsi_device_set_state(sdev, SDEV_CANCEL);  in __scsi_remove_device()
1431 			res = scsi_device_set_state(sdev, SDEV_DEL);  in __scsi_remove_device()
1433 				scsi_start_queue(sdev);  in __scsi_remove_device()
1435 		mutex_unlock(&sdev->state_mutex);  in __scsi_remove_device()
1440 		if (IS_ENABLED(CONFIG_BLK_DEV_BSG) && sdev->bsg_dev)  in __scsi_remove_device()
1441 			bsg_unregister_queue(sdev->bsg_dev);  in __scsi_remove_device()
1442 		device_unregister(&sdev->sdev_dev);  in __scsi_remove_device()
1446 		put_device(&sdev->sdev_dev);  in __scsi_remove_device()
1453 	mutex_lock(&sdev->state_mutex);  in __scsi_remove_device()
1454 	scsi_device_set_state(sdev, SDEV_DEL);  in __scsi_remove_device()
1455 	mutex_unlock(&sdev->state_mutex);  in __scsi_remove_device()
1457 	blk_mq_destroy_queue(sdev->request_queue);  in __scsi_remove_device()
1458 	kref_put(&sdev->host->tagset_refcnt, scsi_mq_free_tags);  in __scsi_remove_device()
1459 	cancel_work_sync(&sdev->requeue_work);  in __scsi_remove_device()
1461 	if (!scsi_device_is_pseudo_dev(sdev) && sdev->host->hostt->sdev_destroy)  in __scsi_remove_device()
1462 		sdev->host->hostt->sdev_destroy(sdev);  in __scsi_remove_device()
1470 	scsi_target_reap(scsi_target(sdev));  in __scsi_remove_device()
1477  * @sdev:	scsi_device to unregister
1479 void scsi_remove_device(struct scsi_device *sdev)  in scsi_remove_device()  argument
1481 	struct Scsi_Host *shost = sdev->host;  in scsi_remove_device()
1484 	__scsi_remove_device(sdev);  in scsi_remove_device()
1493 	struct scsi_device *sdev;  in __scsi_remove_target()  local
1497 	list_for_each_entry(sdev, &shost->__devices, siblings) {  in __scsi_remove_target()
1504 		if (sdev->channel != starget->channel ||  in __scsi_remove_target()
1505 		    sdev->id != starget->id)  in __scsi_remove_target()
1507 		if (sdev->sdev_state == SDEV_DEL ||  in __scsi_remove_target()
1508 		    sdev->sdev_state == SDEV_CANCEL ||  in __scsi_remove_target()
1509 		    !get_device(&sdev->sdev_gendev))  in __scsi_remove_target()
1512 		scsi_remove_device(sdev);  in __scsi_remove_target()
1513 		put_device(&sdev->sdev_gendev);  in __scsi_remove_target()
1591 void scsi_sysfs_device_initialize(struct scsi_device *sdev)  in scsi_sysfs_device_initialize()  argument
1594 	struct Scsi_Host *shost = sdev->host;  in scsi_sysfs_device_initialize()
1596 	struct scsi_target  *starget = sdev->sdev_target;  in scsi_sysfs_device_initialize()
1598 	device_initialize(&sdev->sdev_gendev);  in scsi_sysfs_device_initialize()
1599 	sdev->sdev_gendev.bus = &scsi_bus_type;  in scsi_sysfs_device_initialize()
1600 	sdev->sdev_gendev.type = &scsi_dev_type;  in scsi_sysfs_device_initialize()
1601 	scsi_enable_async_suspend(&sdev->sdev_gendev);  in scsi_sysfs_device_initialize()
1602 	dev_set_name(&sdev->sdev_gendev, "%d:%d:%d:%llu",  in scsi_sysfs_device_initialize()
1603 		     sdev->host->host_no, sdev->channel, sdev->id, sdev->lun);  in scsi_sysfs_device_initialize()
1604 	sdev->sdev_gendev.groups = hostt->sdev_groups;  in scsi_sysfs_device_initialize()
1606 	device_initialize(&sdev->sdev_dev);  in scsi_sysfs_device_initialize()
1607 	sdev->sdev_dev.parent = get_device(&sdev->sdev_gendev);  in scsi_sysfs_device_initialize()
1608 	sdev->sdev_dev.class = &sdev_class;  in scsi_sysfs_device_initialize()
1609 	dev_set_name(&sdev->sdev_dev, "%d:%d:%d:%llu",  in scsi_sysfs_device_initialize()
1610 		     sdev->host->host_no, sdev->channel, sdev->id, sdev->lun);  in scsi_sysfs_device_initialize()
1614 	 * sdev->lun_in_cdb for the initial INQUIRY command.  For LUN 0 the  in scsi_sysfs_device_initialize()
1618 	sdev->scsi_level = starget->scsi_level;  in scsi_sysfs_device_initialize()
1619 	if (sdev->scsi_level <= SCSI_2 &&  in scsi_sysfs_device_initialize()
1620 			sdev->scsi_level != SCSI_UNKNOWN &&  in scsi_sysfs_device_initialize()
1622 		sdev->lun_in_cdb = 1;  in scsi_sysfs_device_initialize()
1624 	transport_setup_device(&sdev->sdev_gendev);  in scsi_sysfs_device_initialize()
1626 	list_add_tail(&sdev->same_target_siblings, &starget->devices);  in scsi_sysfs_device_initialize()
1627 	list_add_tail(&sdev->siblings, &shost->__devices);  in scsi_sysfs_device_initialize()