121 	struct Scsi_Host *shost;  member
165 	data->shost = NULL;  in scsi_complete_async_scans()
285 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);  in scsi_alloc_sdev()  local
287 	sdev = kzalloc(sizeof(*sdev) + shost->transportt->device_size,  in scsi_alloc_sdev()
295 	sdev->host = shost;  in scsi_alloc_sdev()
366 	if (shost->hostt->slave_alloc) {  in scsi_alloc_sdev()
367 		ret = shost->hostt->slave_alloc(sdev);  in scsi_alloc_sdev()
392 	struct Scsi_Host *shost = dev_to_shost(dev->parent);  in scsi_target_destroy()  local
398 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_target_destroy()
399 	if (shost->hostt->target_destroy)  in scsi_target_destroy()
400 		shost->hostt->target_destroy(starget);  in scsi_target_destroy()
402 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_target_destroy()
430 	struct Scsi_Host *shost = dev_to_shost(parent);  in __scsi_find_target()  local
434 	list_for_each_entry(starget, &shost->__targets, siblings) {  in __scsi_find_target()
494 	struct Scsi_Host *shost = dev_to_shost(parent);  in scsi_alloc_target()  local
498 		+ shost->transportt->target_size;  in scsi_alloc_target()
512 	dev_set_name(dev, "target%d:%d:%d", shost->host_no, channel, id);  in scsi_alloc_target()
525 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_alloc_target()
531 	list_add_tail(&starget->siblings, &shost->__targets);  in scsi_alloc_target()
532 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_alloc_target()
535 	if (shost->hostt->target_alloc) {  in scsi_alloc_target()
536 		error = shost->hostt->target_alloc(starget);  in scsi_alloc_target()
559 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_alloc_target()
1164 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);  in scsi_probe_and_add_lun()  local
1266 	res = scsi_add_lun(sdev, result, &bflags, shost->async_scan);  in scsi_probe_and_add_lun()
1312 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);  in scsi_sequential_lun_scan()  local
1317 	max_dev_lun = min(max_scsi_luns, shost->max_lun);  in scsi_sequential_lun_scan()
1324 		max_dev_lun = shost->max_lun;  in scsi_sequential_lun_scan()
1351 		max_dev_lun = shost->max_lun;  in scsi_sequential_lun_scan()
1410 	struct Scsi_Host *shost = dev_to_shost(&starget->dev);  in scsi_report_lun_scan()  local
1428 	    (!(bflags & BLIST_REPORTLUN2) || shost->max_lun <= 8))  in scsi_report_lun_scan()
1572 struct scsi_device *__scsi_add_device(struct Scsi_Host *shost, uint channel,  in __scsi_add_device()  argument
1576 	struct device *parent = &shost->shost_gendev;  in __scsi_add_device()
1587 	mutex_lock(&shost->scan_mutex);  in __scsi_add_device()
1588 	if (!shost->async_scan)  in __scsi_add_device()
1591 	if (scsi_host_scan_allowed(shost) && scsi_autopm_get_host(shost) == 0) {  in __scsi_add_device()
1594 		scsi_autopm_put_host(shost);  in __scsi_add_device()
1596 	mutex_unlock(&shost->scan_mutex);  in __scsi_add_device()
1665 	struct Scsi_Host *shost = dev_to_shost(parent);  in __scsi_scan_target()  local
1670 	if (shost->this_id == id)  in __scsi_scan_target()
1736 	struct Scsi_Host *shost = dev_to_shost(parent);  in scsi_scan_target()  local
1745 	mutex_lock(&shost->scan_mutex);  in scsi_scan_target()
1746 	if (!shost->async_scan)  in scsi_scan_target()
1749 	if (scsi_host_scan_allowed(shost) && scsi_autopm_get_host(shost) == 0) {  in scsi_scan_target()
1751 		scsi_autopm_put_host(shost);  in scsi_scan_target()
1753 	mutex_unlock(&shost->scan_mutex);  in scsi_scan_target()
1757 static void scsi_scan_channel(struct Scsi_Host *shost, unsigned int channel,  in scsi_scan_channel()  argument
1764 		for (id = 0; id < shost->max_id; ++id) {  in scsi_scan_channel()
1774 			if (shost->reverse_ordering)  in scsi_scan_channel()
1778 				order_id = shost->max_id - id - 1;  in scsi_scan_channel()
1781 			__scsi_scan_target(&shost->shost_gendev, channel,  in scsi_scan_channel()
1785 		__scsi_scan_target(&shost->shost_gendev, channel,  in scsi_scan_channel()
1789 int scsi_scan_host_selected(struct Scsi_Host *shost, unsigned int channel,  in scsi_scan_host_selected()  argument
1793 	SCSI_LOG_SCAN_BUS(3, shost_printk (KERN_INFO, shost,  in scsi_scan_host_selected()
1797 	if (((channel != SCAN_WILD_CARD) && (channel > shost->max_channel)) ||  in scsi_scan_host_selected()
1798 	    ((id != SCAN_WILD_CARD) && (id >= shost->max_id)) ||  in scsi_scan_host_selected()
1799 	    ((lun != SCAN_WILD_CARD) && (lun >= shost->max_lun)))  in scsi_scan_host_selected()
1802 	mutex_lock(&shost->scan_mutex);  in scsi_scan_host_selected()
1803 	if (!shost->async_scan)  in scsi_scan_host_selected()
1806 	if (scsi_host_scan_allowed(shost) && scsi_autopm_get_host(shost) == 0) {  in scsi_scan_host_selected()
1808 			for (channel = 0; channel <= shost->max_channel;  in scsi_scan_host_selected()
1810 				scsi_scan_channel(shost, channel, id, lun,  in scsi_scan_host_selected()
1813 			scsi_scan_channel(shost, channel, id, lun, rescan);  in scsi_scan_host_selected()
1814 		scsi_autopm_put_host(shost);  in scsi_scan_host_selected()
1816 	mutex_unlock(&shost->scan_mutex);  in scsi_scan_host_selected()
1821 static void scsi_sysfs_add_devices(struct Scsi_Host *shost)  in scsi_sysfs_add_devices()  argument
1824 	shost_for_each_device(sdev, shost) {  in scsi_sysfs_add_devices()
1831 		if (!scsi_host_scan_allowed(shost) ||  in scsi_sysfs_add_devices()
1847 static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost)  in scsi_prep_async_scan()  argument
1855 	mutex_lock(&shost->scan_mutex);  in scsi_prep_async_scan()
1856 	if (shost->async_scan) {  in scsi_prep_async_scan()
1857 		shost_printk(KERN_DEBUG, shost, "%s called twice\n", __func__);  in scsi_prep_async_scan()
1864 	data->shost = scsi_host_get(shost);  in scsi_prep_async_scan()
1865 	if (!data->shost)  in scsi_prep_async_scan()
1869 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_prep_async_scan()
1870 	shost->async_scan = 1;  in scsi_prep_async_scan()
1871 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_prep_async_scan()
1872 	mutex_unlock(&shost->scan_mutex);  in scsi_prep_async_scan()
1883 	mutex_unlock(&shost->scan_mutex);  in scsi_prep_async_scan()
1898 	struct Scsi_Host *shost;  in scsi_finish_async_scan()  local
1904 	shost = data->shost;  in scsi_finish_async_scan()
1906 	mutex_lock(&shost->scan_mutex);  in scsi_finish_async_scan()
1908 	if (!shost->async_scan) {  in scsi_finish_async_scan()
1909 		shost_printk(KERN_INFO, shost, "%s called twice\n", __func__);  in scsi_finish_async_scan()
1911 		mutex_unlock(&shost->scan_mutex);  in scsi_finish_async_scan()
1917 	scsi_sysfs_add_devices(shost);  in scsi_finish_async_scan()
1919 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_finish_async_scan()
1920 	shost->async_scan = 0;  in scsi_finish_async_scan()
1921 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_finish_async_scan()
1923 	mutex_unlock(&shost->scan_mutex);  in scsi_finish_async_scan()
1934 	scsi_autopm_put_host(shost);  in scsi_finish_async_scan()
1935 	scsi_host_put(shost);  in scsi_finish_async_scan()
1939 static void do_scsi_scan_host(struct Scsi_Host *shost)  in do_scsi_scan_host()  argument
1941 	if (shost->hostt->scan_finished) {  in do_scsi_scan_host()
1943 		if (shost->hostt->scan_start)  in do_scsi_scan_host()
1944 			shost->hostt->scan_start(shost);  in do_scsi_scan_host()
1946 		while (!shost->hostt->scan_finished(shost, jiffies - start))  in do_scsi_scan_host()
1949 		scsi_scan_host_selected(shost, SCAN_WILD_CARD, SCAN_WILD_CARD,  in do_scsi_scan_host()
1957 	struct Scsi_Host *shost = data->shost;  in do_scan_async()  local
1959 	do_scsi_scan_host(shost);  in do_scan_async()
1967 void scsi_scan_host(struct Scsi_Host *shost)  in scsi_scan_host()  argument
1974 	if (scsi_autopm_get_host(shost) < 0)  in scsi_scan_host()
1977 	data = scsi_prep_async_scan(shost);  in scsi_scan_host()
1979 		do_scsi_scan_host(shost);  in scsi_scan_host()
1980 		scsi_autopm_put_host(shost);  in scsi_scan_host()
1993 void scsi_forget_host(struct Scsi_Host *shost)  in scsi_forget_host()  argument
1999 	spin_lock_irqsave(shost->host_lock, flags);  in scsi_forget_host()
2000 	list_for_each_entry(sdev, &shost->__devices, siblings) {  in scsi_forget_host()
2003 		spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_forget_host()
2007 	spin_unlock_irqrestore(shost->host_lock, flags);  in scsi_forget_host()