121 	struct Scsi_Host *shost;  member
149 	data->shost = NULL;  in scsi_complete_async_scans()
221 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);  in scsi_alloc_sdev()  local
223 	sdev = kzalloc(sizeof(*sdev) + shost->transportt->device_size,  in scsi_alloc_sdev()
231 	sdev->host = shost;  in scsi_alloc_sdev()
302 	if (shost->hostt->slave_alloc) {  in scsi_alloc_sdev()
303 		ret = shost->hostt->slave_alloc(sdev);  in scsi_alloc_sdev()
328 	struct Scsi_Host *shost = dev_to_shost(dev->parent);  in scsi_target_destroy()  local
334 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_target_destroy()
335 	if (shost->hostt->target_destroy)  in scsi_target_destroy()
336 		shost->hostt->target_destroy(starget);  in scsi_target_destroy()
338 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_target_destroy()
366 	struct Scsi_Host *shost = dev_to_shost(parent);  in __scsi_find_target()  local
370 	list_for_each_entry(starget, &shost->__targets, siblings) {  in __scsi_find_target()
430 	struct Scsi_Host *shost = dev_to_shost(parent);  in scsi_alloc_target()  local
434 		+ shost->transportt->target_size;  in scsi_alloc_target()
448 	dev_set_name(dev, "target%d:%d:%d", shost->host_no, channel, id);  in scsi_alloc_target()
460 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_alloc_target()
466 	list_add_tail(&starget->siblings, &shost->__targets);  in scsi_alloc_target()
467 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_alloc_target()
470 	if (shost->hostt->target_alloc) {  in scsi_alloc_target()
471 		error = shost->hostt->target_alloc(starget);  in scsi_alloc_target()
493 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_alloc_target()
1071 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);  in scsi_probe_and_add_lun()  local
1174 	res = scsi_add_lun(sdev, result, &bflags, shost->async_scan);  in scsi_probe_and_add_lun()
1220 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);  in scsi_sequential_lun_scan()  local
1225 	max_dev_lun = min(max_scsi_luns, shost->max_lun);  in scsi_sequential_lun_scan()
1232 		max_dev_lun = shost->max_lun;  in scsi_sequential_lun_scan()
1259 		max_dev_lun = shost->max_lun;  in scsi_sequential_lun_scan()
1318 	struct Scsi_Host *shost = dev_to_shost(&starget->dev);  in scsi_report_lun_scan()  local
1333 	    (!(bflags & BLIST_REPORTLUN2) || shost->max_lun <= 8))  in scsi_report_lun_scan()
1476 struct scsi_device *__scsi_add_device(struct Scsi_Host *shost, uint channel,  in __scsi_add_device()  argument
1480 	struct device *parent = &shost->shost_gendev;  in __scsi_add_device()
1491 	mutex_lock(&shost->scan_mutex);  in __scsi_add_device()
1492 	if (!shost->async_scan)  in __scsi_add_device()
1495 	if (scsi_host_scan_allowed(shost) && scsi_autopm_get_host(shost) == 0) {  in __scsi_add_device()
1497 		scsi_autopm_put_host(shost);  in __scsi_add_device()
1499 	mutex_unlock(&shost->scan_mutex);  in __scsi_add_device()
1550 	struct Scsi_Host *shost = dev_to_shost(parent);  in __scsi_scan_target()  local
1555 	if (shost->this_id == id)  in __scsi_scan_target()
1621 	struct Scsi_Host *shost = dev_to_shost(parent);  in scsi_scan_target()  local
1630 	mutex_lock(&shost->scan_mutex);  in scsi_scan_target()
1631 	if (!shost->async_scan)  in scsi_scan_target()
1634 	if (scsi_host_scan_allowed(shost) && scsi_autopm_get_host(shost) == 0) {  in scsi_scan_target()
1636 		scsi_autopm_put_host(shost);  in scsi_scan_target()
1638 	mutex_unlock(&shost->scan_mutex);  in scsi_scan_target()
1642 static void scsi_scan_channel(struct Scsi_Host *shost, unsigned int channel,  in scsi_scan_channel()  argument
1649 		for (id = 0; id < shost->max_id; ++id) {  in scsi_scan_channel()
1659 			if (shost->reverse_ordering)  in scsi_scan_channel()
1663 				order_id = shost->max_id - id - 1;  in scsi_scan_channel()
1666 			__scsi_scan_target(&shost->shost_gendev, channel,  in scsi_scan_channel()
1670 		__scsi_scan_target(&shost->shost_gendev, channel,  in scsi_scan_channel()
1674 int scsi_scan_host_selected(struct Scsi_Host *shost, unsigned int channel,  in scsi_scan_host_selected()  argument
1678 	SCSI_LOG_SCAN_BUS(3, shost_printk (KERN_INFO, shost,  in scsi_scan_host_selected()
1682 	if (((channel != SCAN_WILD_CARD) && (channel > shost->max_channel)) ||  in scsi_scan_host_selected()
1683 	    ((id != SCAN_WILD_CARD) && (id >= shost->max_id)) ||  in scsi_scan_host_selected()
1684 	    ((lun != SCAN_WILD_CARD) && (lun >= shost->max_lun)))  in scsi_scan_host_selected()
1687 	mutex_lock(&shost->scan_mutex);  in scsi_scan_host_selected()
1688 	if (!shost->async_scan)  in scsi_scan_host_selected()
1691 	if (scsi_host_scan_allowed(shost) && scsi_autopm_get_host(shost) == 0) {  in scsi_scan_host_selected()
1693 			for (channel = 0; channel <= shost->max_channel;  in scsi_scan_host_selected()
1695 				scsi_scan_channel(shost, channel, id, lun,  in scsi_scan_host_selected()
1698 			scsi_scan_channel(shost, channel, id, lun, rescan);  in scsi_scan_host_selected()
1699 		scsi_autopm_put_host(shost);  in scsi_scan_host_selected()
1701 	mutex_unlock(&shost->scan_mutex);  in scsi_scan_host_selected()
1706 static void scsi_sysfs_add_devices(struct Scsi_Host *shost)  in scsi_sysfs_add_devices()  argument
1709 	shost_for_each_device(sdev, shost) {  in scsi_sysfs_add_devices()
1716 		if (!scsi_host_scan_allowed(shost) ||  in scsi_sysfs_add_devices()
1732 static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost)  in scsi_prep_async_scan()  argument
1740 	mutex_lock(&shost->scan_mutex);  in scsi_prep_async_scan()
1741 	if (shost->async_scan) {  in scsi_prep_async_scan()
1742 		shost_printk(KERN_DEBUG, shost, "%s called twice\n", __func__);  in scsi_prep_async_scan()
1749 	data->shost = scsi_host_get(shost);  in scsi_prep_async_scan()
1750 	if (!data->shost)  in scsi_prep_async_scan()
1754 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_prep_async_scan()
1755 	shost->async_scan = 1;  in scsi_prep_async_scan()
1756 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_prep_async_scan()
1757 	mutex_unlock(&shost->scan_mutex);  in scsi_prep_async_scan()
1768 	mutex_unlock(&shost->scan_mutex);  in scsi_prep_async_scan()
1783 	struct Scsi_Host *shost;  in scsi_finish_async_scan()  local
1789 	shost = data->shost;  in scsi_finish_async_scan()
1791 	mutex_lock(&shost->scan_mutex);  in scsi_finish_async_scan()
1793 	if (!shost->async_scan) {  in scsi_finish_async_scan()
1794 		shost_printk(KERN_INFO, shost, "%s called twice\n", __func__);  in scsi_finish_async_scan()
1796 		mutex_unlock(&shost->scan_mutex);  in scsi_finish_async_scan()
1802 	scsi_sysfs_add_devices(shost);  in scsi_finish_async_scan()
1804 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_finish_async_scan()
1805 	shost->async_scan = 0;  in scsi_finish_async_scan()
1806 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_finish_async_scan()
1808 	mutex_unlock(&shost->scan_mutex);  in scsi_finish_async_scan()
1819 	scsi_autopm_put_host(shost);  in scsi_finish_async_scan()
1820 	scsi_host_put(shost);  in scsi_finish_async_scan()
1824 static void do_scsi_scan_host(struct Scsi_Host *shost)  in do_scsi_scan_host()  argument
1826 	if (shost->hostt->scan_finished) {  in do_scsi_scan_host()
1828 		if (shost->hostt->scan_start)  in do_scsi_scan_host()
1829 			shost->hostt->scan_start(shost);  in do_scsi_scan_host()
1831 		while (!shost->hostt->scan_finished(shost, jiffies - start))  in do_scsi_scan_host()
1834 		scsi_scan_host_selected(shost, SCAN_WILD_CARD, SCAN_WILD_CARD,  in do_scsi_scan_host()
1842 	struct Scsi_Host *shost = data->shost;  in do_scan_async()  local
1844 	do_scsi_scan_host(shost);  in do_scan_async()
1852 void scsi_scan_host(struct Scsi_Host *shost)  in scsi_scan_host()  argument
1859 	if (scsi_autopm_get_host(shost) < 0)  in scsi_scan_host()
1862 	data = scsi_prep_async_scan(shost);  in scsi_scan_host()
1864 		do_scsi_scan_host(shost);  in scsi_scan_host()
1865 		scsi_autopm_put_host(shost);  in scsi_scan_host()
1878 void scsi_forget_host(struct Scsi_Host *shost)  in scsi_forget_host()  argument
1884 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_forget_host()
1885 	list_for_each_entry(sdev, &shost->__devices, siblings) {  in scsi_forget_host()
1888 		spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_forget_host()
1892 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_forget_host()
1912 struct scsi_device *scsi_get_host_dev(struct Scsi_Host *shost)  in scsi_get_host_dev()  argument
1917 	mutex_lock(&shost->scan_mutex);  in scsi_get_host_dev()
1918 	if (!scsi_host_scan_allowed(shost))  in scsi_get_host_dev()
1920 	starget = scsi_alloc_target(&shost->shost_gendev, 0, shost->this_id);  in scsi_get_host_dev()
1931 	mutex_unlock(&shost->scan_mutex);  in scsi_get_host_dev()