35 				       struct nullb_zone *zone)  in null_init_zone_lock()  argument
38 		spin_lock_init(&zone->spinlock);  in null_init_zone_lock()
40 		mutex_init(&zone->mutex);  in null_init_zone_lock()
44 				  struct nullb_zone *zone)  in null_lock_zone()  argument
47 		spin_lock_irq(&zone->spinlock);  in null_lock_zone()
49 		mutex_lock(&zone->mutex);  in null_lock_zone()
53 				    struct nullb_zone *zone)  in null_unlock_zone()  argument
56 		spin_unlock_irq(&zone->spinlock);  in null_unlock_zone()
58 		mutex_unlock(&zone->mutex);  in null_unlock_zone()
64 	struct nullb_zone *zone;  in null_init_zoned_dev()  local
135 		zone = &dev->zones[i];  in null_init_zoned_dev()
137 		null_init_zone_lock(dev, zone);  in null_init_zoned_dev()
138 		zone->start = sector;  in null_init_zoned_dev()
139 		zone->len = dev->zone_size_sects;  in null_init_zoned_dev()
140 		zone->capacity = zone->len;  in null_init_zoned_dev()
141 		zone->wp = zone->start + zone->len;  in null_init_zoned_dev()
142 		zone->type = BLK_ZONE_TYPE_CONVENTIONAL;  in null_init_zoned_dev()
143 		zone->cond = BLK_ZONE_COND_NOT_WP;  in null_init_zoned_dev()
149 		zone = &dev->zones[i];  in null_init_zoned_dev()
151 		null_init_zone_lock(dev, zone);  in null_init_zoned_dev()
152 		zone->start = zone->wp = sector;  in null_init_zoned_dev()
153 		if (zone->start + dev->zone_size_sects > dev_capacity_sects)  in null_init_zoned_dev()
154 			zone->len = dev_capacity_sects - zone->start;  in null_init_zoned_dev()
156 			zone->len = dev->zone_size_sects;  in null_init_zoned_dev()
157 		zone->capacity =  in null_init_zoned_dev()
158 			min_t(sector_t, zone->len, zone_capacity_sects);  in null_init_zoned_dev()
159 		zone->type = BLK_ZONE_TYPE_SEQWRITE_REQ;  in null_init_zoned_dev()
160 		zone->cond = BLK_ZONE_COND_EMPTY;  in null_init_zoned_dev()
200 	struct nullb_zone *zone;  in null_report_zones()  local
212 	zone = &dev->zones[first_zone];  in null_report_zones()
213 	for (i = 0; i < nr_zones; i++, zone++) {  in null_report_zones()
220 		null_lock_zone(dev, zone);  in null_report_zones()
221 		blkz.start = zone->start;  in null_report_zones()
222 		blkz.len = zone->len;  in null_report_zones()
223 		blkz.wp = zone->wp;  in null_report_zones()
224 		blkz.type = zone->type;  in null_report_zones()
225 		blkz.cond = zone->cond;  in null_report_zones()
226 		blkz.capacity = zone->capacity;  in null_report_zones()
227 		null_unlock_zone(dev, zone);  in null_report_zones()
245 	struct nullb_zone *zone = &dev->zones[null_zone_no(dev, sector)];  in null_zone_valid_read_len()  local
249 	if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL ||  in null_zone_valid_read_len()
250 	    sector + nr_sectors <= zone->wp)  in null_zone_valid_read_len()
253 	if (sector > zone->wp)  in null_zone_valid_read_len()
256 	return (zone->wp - sector) << SECTOR_SHIFT;  in null_zone_valid_read_len()
260 				      struct nullb_zone *zone)  in __null_close_zone()  argument
262 	switch (zone->cond) {  in __null_close_zone()
278 	if (zone->wp == zone->start) {  in __null_close_zone()
279 		zone->cond = BLK_ZONE_COND_EMPTY;  in __null_close_zone()
281 		zone->cond = BLK_ZONE_COND_CLOSED;  in __null_close_zone()
290 	struct nullb_zone *zone;  in null_close_imp_open_zone()  local
298 		zone = &dev->zones[zno];  in null_close_imp_open_zone()
303 		if (zone->cond == BLK_ZONE_COND_IMP_OPEN) {  in null_close_imp_open_zone()
304 			__null_close_zone(dev, zone);  in null_close_imp_open_zone()
355 					      struct nullb_zone *zone)  in null_check_zone_resources()  argument
359 	switch (zone->cond) {  in null_check_zone_resources()
379 	struct nullb_zone *zone = &dev->zones[zno];  in null_zone_write()  local
382 	trace_nullb_zone_op(cmd, zno, zone->cond);  in null_zone_write()
384 	if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL) {  in null_zone_write()
390 	null_lock_zone(dev, zone);  in null_zone_write()
392 	if (zone->cond == BLK_ZONE_COND_FULL ||  in null_zone_write()
393 	    zone->cond == BLK_ZONE_COND_READONLY ||  in null_zone_write()
394 	    zone->cond == BLK_ZONE_COND_OFFLINE) {  in null_zone_write()
407 		sector = zone->wp;  in null_zone_write()
412 	} else if (sector != zone->wp) {  in null_zone_write()
417 	if (zone->wp + nr_sectors > zone->start + zone->capacity) {  in null_zone_write()
422 	if (zone->cond == BLK_ZONE_COND_CLOSED ||  in null_zone_write()
423 	    zone->cond == BLK_ZONE_COND_EMPTY) {  in null_zone_write()
426 		ret = null_check_zone_resources(dev, zone);  in null_zone_write()
431 		if (zone->cond == BLK_ZONE_COND_CLOSED) {  in null_zone_write()
434 		} else if (zone->cond == BLK_ZONE_COND_EMPTY) {  in null_zone_write()
438 		if (zone->cond != BLK_ZONE_COND_EXP_OPEN)  in null_zone_write()
439 			zone->cond = BLK_ZONE_COND_IMP_OPEN;  in null_zone_write()
448 	zone->wp += nr_sectors;  in null_zone_write()
449 	if (zone->wp == zone->start + zone->capacity) {  in null_zone_write()
451 		if (zone->cond == BLK_ZONE_COND_EXP_OPEN)  in null_zone_write()
453 		else if (zone->cond == BLK_ZONE_COND_IMP_OPEN)  in null_zone_write()
455 		zone->cond = BLK_ZONE_COND_FULL;  in null_zone_write()
462 	null_unlock_zone(dev, zone);  in null_zone_write()
468 				   struct nullb_zone *zone)  in null_open_zone()  argument
472 	if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)  in null_open_zone()
477 	switch (zone->cond) {  in null_open_zone()
482 		ret = null_check_zone_resources(dev, zone);  in null_open_zone()
490 		ret = null_check_zone_resources(dev, zone);  in null_open_zone()
501 	zone->cond = BLK_ZONE_COND_EXP_OPEN;  in null_open_zone()
511 				    struct nullb_zone *zone)  in null_close_zone()  argument
515 	if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)  in null_close_zone()
519 	ret = __null_close_zone(dev, zone);  in null_close_zone()
526 				     struct nullb_zone *zone)  in null_finish_zone()  argument
530 	if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)  in null_finish_zone()
535 	switch (zone->cond) {  in null_finish_zone()
540 		ret = null_check_zone_resources(dev, zone);  in null_finish_zone()
551 		ret = null_check_zone_resources(dev, zone);  in null_finish_zone()
561 	zone->cond = BLK_ZONE_COND_FULL;  in null_finish_zone()
562 	zone->wp = zone->start + zone->len;  in null_finish_zone()
571 				    struct nullb_zone *zone)  in null_reset_zone()  argument
573 	if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)  in null_reset_zone()
578 	switch (zone->cond) {  in null_reset_zone()
599 	zone->cond = BLK_ZONE_COND_EMPTY;  in null_reset_zone()
600 	zone->wp = zone->start;  in null_reset_zone()
605 		return null_handle_discard(dev, zone->start, zone->len);  in null_reset_zone()
615 	struct nullb_zone *zone;  in null_zone_mgmt()  local
621 			zone = &dev->zones[i];  in null_zone_mgmt()
622 			null_lock_zone(dev, zone);  in null_zone_mgmt()
623 			if (zone->cond != BLK_ZONE_COND_EMPTY &&  in null_zone_mgmt()
624 			    zone->cond != BLK_ZONE_COND_READONLY &&  in null_zone_mgmt()
625 			    zone->cond != BLK_ZONE_COND_OFFLINE) {  in null_zone_mgmt()
626 				null_reset_zone(dev, zone);  in null_zone_mgmt()
627 				trace_nullb_zone_op(cmd, i, zone->cond);  in null_zone_mgmt()
629 			null_unlock_zone(dev, zone);  in null_zone_mgmt()
635 	zone = &dev->zones[zone_no];  in null_zone_mgmt()
637 	null_lock_zone(dev, zone);  in null_zone_mgmt()
639 	if (zone->cond == BLK_ZONE_COND_READONLY ||  in null_zone_mgmt()
640 	    zone->cond == BLK_ZONE_COND_OFFLINE) {  in null_zone_mgmt()
647 		ret = null_reset_zone(dev, zone);  in null_zone_mgmt()
650 		ret = null_open_zone(dev, zone);  in null_zone_mgmt()
653 		ret = null_close_zone(dev, zone);  in null_zone_mgmt()
656 		ret = null_finish_zone(dev, zone);  in null_zone_mgmt()
664 		trace_nullb_zone_op(cmd, zone_no, zone->cond);  in null_zone_mgmt()
667 	null_unlock_zone(dev, zone);  in null_zone_mgmt()
676 	struct nullb_zone *zone;  in null_process_zoned_cmd()  local
692 		zone = &dev->zones[null_zone_no(dev, sector)];  in null_process_zoned_cmd()
693 		if (zone->cond == BLK_ZONE_COND_OFFLINE)  in null_process_zoned_cmd()
696 		null_lock_zone(dev, zone);  in null_process_zoned_cmd()
698 		null_unlock_zone(dev, zone);  in null_process_zoned_cmd()
707 			       struct nullb_zone *zone, enum blk_zone_cond cond)  in null_set_zone_cond()  argument
713 	null_lock_zone(dev, zone);  in null_set_zone_cond()
722 	if (zone->cond == cond) {  in null_set_zone_cond()
723 		zone->cond = BLK_ZONE_COND_EMPTY;  in null_set_zone_cond()
724 		zone->wp = zone->start;  in null_set_zone_cond()
726 			null_handle_discard(dev, zone->start, zone->len);  in null_set_zone_cond()
728 		if (zone->cond != BLK_ZONE_COND_READONLY &&  in null_set_zone_cond()
729 		    zone->cond != BLK_ZONE_COND_OFFLINE)  in null_set_zone_cond()
730 			null_finish_zone(dev, zone);  in null_set_zone_cond()
731 		zone->cond = cond;  in null_set_zone_cond()
732 		zone->wp = (sector_t)-1;  in null_set_zone_cond()
735 	null_unlock_zone(dev, zone);  in null_set_zone_cond()