121 	struct Scsi_Host *shost;  member
165 	data->shost = NULL;  in scsi_complete_async_scans()
286 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);  in scsi_alloc_sdev()  local
289 	sdev = kzalloc(sizeof(*sdev) + shost->transportt->device_size,  in scsi_alloc_sdev()
297 	sdev->host = shost;  in scsi_alloc_sdev()
337 	scsi_init_limits(shost, &lim);  in scsi_alloc_sdev()
367 	if (shost->hostt->sdev_init) {  in scsi_alloc_sdev()
368 		ret = shost->hostt->sdev_init(sdev);  in scsi_alloc_sdev()
393 	struct Scsi_Host *shost = dev_to_shost(dev->parent);  in scsi_target_destroy()  local
399 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_target_destroy()
400 	if (shost->hostt->target_destroy)  in scsi_target_destroy()
401 		shost->hostt->target_destroy(starget);  in scsi_target_destroy()
403 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_target_destroy()
431 	struct Scsi_Host *shost = dev_to_shost(parent);  in __scsi_find_target()  local
435 	list_for_each_entry(starget, &shost->__targets, siblings) {  in __scsi_find_target()
495 	struct Scsi_Host *shost = dev_to_shost(parent);  in scsi_alloc_target()  local
499 		+ shost->transportt->target_size;  in scsi_alloc_target()
513 	dev_set_name(dev, "target%d:%d:%d", shost->host_no, channel, id);  in scsi_alloc_target()
526 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_alloc_target()
532 	list_add_tail(&starget->siblings, &shost->__targets);  in scsi_alloc_target()
533 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_alloc_target()
536 	if (shost->hostt->target_alloc) {  in scsi_alloc_target()
537 		error = shost->hostt->target_alloc(starget);  in scsi_alloc_target()
560 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_alloc_target()
1184 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);  in scsi_probe_and_add_lun()  local
1286 	res = scsi_add_lun(sdev, result, &bflags, shost->async_scan);  in scsi_probe_and_add_lun()
1332 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);  in scsi_sequential_lun_scan()  local
1337 	max_dev_lun = min(max_scsi_luns, shost->max_lun);  in scsi_sequential_lun_scan()
1344 		max_dev_lun = shost->max_lun;  in scsi_sequential_lun_scan()
1371 		max_dev_lun = shost->max_lun;  in scsi_sequential_lun_scan()
1428 	struct Scsi_Host *shost = dev_to_shost(&starget->dev);  in scsi_report_lun_scan()  local
1468 	    (!(bflags & BLIST_REPORTLUN2) || shost->max_lun <= 8))  in scsi_report_lun_scan()
1601 struct scsi_device *__scsi_add_device(struct Scsi_Host *shost, uint channel,  in __scsi_add_device()  argument
1605 	struct device *parent = &shost->shost_gendev;  in __scsi_add_device()
1616 	mutex_lock(&shost->scan_mutex);  in __scsi_add_device()
1617 	if (!shost->async_scan)  in __scsi_add_device()
1620 	if (scsi_host_scan_allowed(shost) && scsi_autopm_get_host(shost) == 0) {  in __scsi_add_device()
1623 		scsi_autopm_put_host(shost);  in __scsi_add_device()
1625 	mutex_unlock(&shost->scan_mutex);  in __scsi_add_device()
1746 	struct Scsi_Host *shost = dev_to_shost(parent);  in __scsi_scan_target()  local
1751 	if (shost->this_id == id)  in __scsi_scan_target()
1817 	struct Scsi_Host *shost = dev_to_shost(parent);  in scsi_scan_target()  local
1826 	mutex_lock(&shost->scan_mutex);  in scsi_scan_target()
1827 	if (!shost->async_scan)  in scsi_scan_target()
1830 	if (scsi_host_scan_allowed(shost) && scsi_autopm_get_host(shost) == 0) {  in scsi_scan_target()
1832 		scsi_autopm_put_host(shost);  in scsi_scan_target()
1834 	mutex_unlock(&shost->scan_mutex);  in scsi_scan_target()
1838 static void scsi_scan_channel(struct Scsi_Host *shost, unsigned int channel,  in scsi_scan_channel()  argument
1845 		for (id = 0; id < shost->max_id; ++id) {  in scsi_scan_channel()
1855 			if (shost->reverse_ordering)  in scsi_scan_channel()
1859 				order_id = shost->max_id - id - 1;  in scsi_scan_channel()
1862 			__scsi_scan_target(&shost->shost_gendev, channel,  in scsi_scan_channel()
1866 		__scsi_scan_target(&shost->shost_gendev, channel,  in scsi_scan_channel()
1870 int scsi_scan_host_selected(struct Scsi_Host *shost, unsigned int channel,  in scsi_scan_host_selected()  argument
1874 	SCSI_LOG_SCAN_BUS(3, shost_printk (KERN_INFO, shost,  in scsi_scan_host_selected()
1878 	if (((channel != SCAN_WILD_CARD) && (channel > shost->max_channel)) ||  in scsi_scan_host_selected()
1879 	    ((id != SCAN_WILD_CARD) && (id >= shost->max_id)) ||  in scsi_scan_host_selected()
1880 	    ((lun != SCAN_WILD_CARD) && (lun >= shost->max_lun)))  in scsi_scan_host_selected()
1883 	mutex_lock(&shost->scan_mutex);  in scsi_scan_host_selected()
1884 	if (!shost->async_scan)  in scsi_scan_host_selected()
1887 	if (scsi_host_scan_allowed(shost) && scsi_autopm_get_host(shost) == 0) {  in scsi_scan_host_selected()
1889 			for (channel = 0; channel <= shost->max_channel;  in scsi_scan_host_selected()
1891 				scsi_scan_channel(shost, channel, id, lun,  in scsi_scan_host_selected()
1894 			scsi_scan_channel(shost, channel, id, lun, rescan);  in scsi_scan_host_selected()
1895 		scsi_autopm_put_host(shost);  in scsi_scan_host_selected()
1897 	mutex_unlock(&shost->scan_mutex);  in scsi_scan_host_selected()
1902 static void scsi_sysfs_add_devices(struct Scsi_Host *shost)  in scsi_sysfs_add_devices()  argument
1905 	shost_for_each_device(sdev, shost) {  in scsi_sysfs_add_devices()
1912 		if (!scsi_host_scan_allowed(shost) ||  in scsi_sysfs_add_devices()
1928 static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost)  in scsi_prep_async_scan()  argument
1936 	mutex_lock(&shost->scan_mutex);  in scsi_prep_async_scan()
1937 	if (shost->async_scan) {  in scsi_prep_async_scan()
1938 		shost_printk(KERN_DEBUG, shost, "%s called twice\n", __func__);  in scsi_prep_async_scan()
1945 	data->shost = scsi_host_get(shost);  in scsi_prep_async_scan()
1946 	if (!data->shost)  in scsi_prep_async_scan()
1950 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_prep_async_scan()
1951 	shost->async_scan = 1;  in scsi_prep_async_scan()
1952 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_prep_async_scan()
1953 	mutex_unlock(&shost->scan_mutex);  in scsi_prep_async_scan()
1964 	mutex_unlock(&shost->scan_mutex);  in scsi_prep_async_scan()
1979 	struct Scsi_Host *shost;  in scsi_finish_async_scan()  local
1985 	shost = data->shost;  in scsi_finish_async_scan()
1987 	mutex_lock(&shost->scan_mutex);  in scsi_finish_async_scan()
1989 	if (!shost->async_scan) {  in scsi_finish_async_scan()
1990 		shost_printk(KERN_INFO, shost, "%s called twice\n", __func__);  in scsi_finish_async_scan()
1992 		mutex_unlock(&shost->scan_mutex);  in scsi_finish_async_scan()
1998 	scsi_sysfs_add_devices(shost);  in scsi_finish_async_scan()
2000 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_finish_async_scan()
2001 	shost->async_scan = 0;  in scsi_finish_async_scan()
2002 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_finish_async_scan()
2004 	mutex_unlock(&shost->scan_mutex);  in scsi_finish_async_scan()
2015 	scsi_autopm_put_host(shost);  in scsi_finish_async_scan()
2016 	scsi_host_put(shost);  in scsi_finish_async_scan()
2020 static void do_scsi_scan_host(struct Scsi_Host *shost)  in do_scsi_scan_host()  argument
2022 	if (shost->hostt->scan_finished) {  in do_scsi_scan_host()
2024 		if (shost->hostt->scan_start)  in do_scsi_scan_host()
2025 			shost->hostt->scan_start(shost);  in do_scsi_scan_host()
2027 		while (!shost->hostt->scan_finished(shost, jiffies - start))  in do_scsi_scan_host()
2030 		scsi_scan_host_selected(shost, SCAN_WILD_CARD, SCAN_WILD_CARD,  in do_scsi_scan_host()
2038 	struct Scsi_Host *shost = data->shost;  in do_scan_async()  local
2040 	do_scsi_scan_host(shost);  in do_scan_async()
2050 void scsi_scan_host(struct Scsi_Host *shost)  in scsi_scan_host()  argument
2057 	if (scsi_autopm_get_host(shost) < 0)  in scsi_scan_host()
2060 	data = scsi_prep_async_scan(shost);  in scsi_scan_host()
2062 		do_scsi_scan_host(shost);  in scsi_scan_host()
2063 		scsi_autopm_put_host(shost);  in scsi_scan_host()
2076 void scsi_forget_host(struct Scsi_Host *shost)  in scsi_forget_host()  argument
2082 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_forget_host()
2083 	list_for_each_entry(sdev, &shost->__devices, siblings) {  in scsi_forget_host()
2086 		spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_forget_host()
2090 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_forget_host()