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
124 		zone = &dev->zones[i];  in null_init_zoned_dev()
126 		null_init_zone_lock(dev, zone);  in null_init_zoned_dev()
127 		zone->start = sector;  in null_init_zoned_dev()
128 		zone->len = dev->zone_size_sects;  in null_init_zoned_dev()
129 		zone->capacity = zone->len;  in null_init_zoned_dev()
130 		zone->wp = zone->start + zone->len;  in null_init_zoned_dev()
131 		zone->type = BLK_ZONE_TYPE_CONVENTIONAL;  in null_init_zoned_dev()
132 		zone->cond = BLK_ZONE_COND_NOT_WP;  in null_init_zoned_dev()
138 		zone = &dev->zones[i];  in null_init_zoned_dev()
140 		null_init_zone_lock(dev, zone);  in null_init_zoned_dev()
141 		zone->start = zone->wp = sector;  in null_init_zoned_dev()
142 		if (zone->start + dev->zone_size_sects > dev_capacity_sects)  in null_init_zoned_dev()
143 			zone->len = dev_capacity_sects - zone->start;  in null_init_zoned_dev()
145 			zone->len = dev->zone_size_sects;  in null_init_zoned_dev()
146 		zone->capacity =  in null_init_zoned_dev()
147 			min_t(sector_t, zone->len, zone_capacity_sects);  in null_init_zoned_dev()
148 		zone->type = BLK_ZONE_TYPE_SEQWRITE_REQ;  in null_init_zoned_dev()
149 		zone->cond = BLK_ZONE_COND_EMPTY;  in null_init_zoned_dev()
195 	struct nullb_zone *zone;  in null_report_zones()  local
207 	zone = &dev->zones[first_zone];  in null_report_zones()
208 	for (i = 0; i < nr_zones; i++, zone++) {  in null_report_zones()
215 		null_lock_zone(dev, zone);  in null_report_zones()
216 		blkz.start = zone->start;  in null_report_zones()
217 		blkz.len = zone->len;  in null_report_zones()
218 		blkz.wp = zone->wp;  in null_report_zones()
219 		blkz.type = zone->type;  in null_report_zones()
220 		blkz.cond = zone->cond;  in null_report_zones()
221 		blkz.capacity = zone->capacity;  in null_report_zones()
222 		null_unlock_zone(dev, zone);  in null_report_zones()
240 	struct nullb_zone *zone = &dev->zones[null_zone_no(dev, sector)];  in null_zone_valid_read_len()  local
244 	if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL ||  in null_zone_valid_read_len()
245 	    sector + nr_sectors <= zone->wp)  in null_zone_valid_read_len()
248 	if (sector > zone->wp)  in null_zone_valid_read_len()
251 	return (zone->wp - sector) << SECTOR_SHIFT;  in null_zone_valid_read_len()
255 				      struct nullb_zone *zone)  in __null_close_zone()  argument
257 	switch (zone->cond) {  in __null_close_zone()
273 	if (zone->wp == zone->start) {  in __null_close_zone()
274 		zone->cond = BLK_ZONE_COND_EMPTY;  in __null_close_zone()
276 		zone->cond = BLK_ZONE_COND_CLOSED;  in __null_close_zone()
285 	struct nullb_zone *zone;  in null_close_imp_open_zone()  local
293 		zone = &dev->zones[zno];  in null_close_imp_open_zone()
298 		if (zone->cond == BLK_ZONE_COND_IMP_OPEN) {  in null_close_imp_open_zone()
299 			__null_close_zone(dev, zone);  in null_close_imp_open_zone()
350 					      struct nullb_zone *zone)  in null_check_zone_resources()  argument
354 	switch (zone->cond) {  in null_check_zone_resources()
374 	struct nullb_zone *zone = &dev->zones[zno];  in null_zone_write()  local
377 	trace_nullb_zone_op(cmd, zno, zone->cond);  in null_zone_write()
379 	if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL) {  in null_zone_write()
385 	null_lock_zone(dev, zone);  in null_zone_write()
387 	if (zone->cond == BLK_ZONE_COND_FULL) {  in null_zone_write()
400 		sector = zone->wp;  in null_zone_write()
405 	} else if (sector != zone->wp) {  in null_zone_write()
410 	if (zone->wp + nr_sectors > zone->start + zone->capacity) {  in null_zone_write()
415 	if (zone->cond == BLK_ZONE_COND_CLOSED ||  in null_zone_write()
416 	    zone->cond == BLK_ZONE_COND_EMPTY) {  in null_zone_write()
419 		ret = null_check_zone_resources(dev, zone);  in null_zone_write()
424 		if (zone->cond == BLK_ZONE_COND_CLOSED) {  in null_zone_write()
427 		} else if (zone->cond == BLK_ZONE_COND_EMPTY) {  in null_zone_write()
431 		if (zone->cond != BLK_ZONE_COND_EXP_OPEN)  in null_zone_write()
432 			zone->cond = BLK_ZONE_COND_IMP_OPEN;  in null_zone_write()
441 	zone->wp += nr_sectors;  in null_zone_write()
442 	if (zone->wp == zone->start + zone->capacity) {  in null_zone_write()
444 		if (zone->cond == BLK_ZONE_COND_EXP_OPEN)  in null_zone_write()
446 		else if (zone->cond == BLK_ZONE_COND_IMP_OPEN)  in null_zone_write()
448 		zone->cond = BLK_ZONE_COND_FULL;  in null_zone_write()
455 	null_unlock_zone(dev, zone);  in null_zone_write()
461 				   struct nullb_zone *zone)  in null_open_zone()  argument
465 	if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)  in null_open_zone()
470 	switch (zone->cond) {  in null_open_zone()
475 		ret = null_check_zone_resources(dev, zone);  in null_open_zone()
483 		ret = null_check_zone_resources(dev, zone);  in null_open_zone()
494 	zone->cond = BLK_ZONE_COND_EXP_OPEN;  in null_open_zone()
504 				    struct nullb_zone *zone)  in null_close_zone()  argument
508 	if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)  in null_close_zone()
512 	ret = __null_close_zone(dev, zone);  in null_close_zone()
519 				     struct nullb_zone *zone)  in null_finish_zone()  argument
523 	if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)  in null_finish_zone()
528 	switch (zone->cond) {  in null_finish_zone()
533 		ret = null_check_zone_resources(dev, zone);  in null_finish_zone()
544 		ret = null_check_zone_resources(dev, zone);  in null_finish_zone()
554 	zone->cond = BLK_ZONE_COND_FULL;  in null_finish_zone()
555 	zone->wp = zone->start + zone->len;  in null_finish_zone()
564 				    struct nullb_zone *zone)  in null_reset_zone()  argument
566 	if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)  in null_reset_zone()
571 	switch (zone->cond) {  in null_reset_zone()
592 	zone->cond = BLK_ZONE_COND_EMPTY;  in null_reset_zone()
593 	zone->wp = zone->start;  in null_reset_zone()
598 		return null_handle_discard(dev, zone->start, zone->len);  in null_reset_zone()
608 	struct nullb_zone *zone;  in null_zone_mgmt()  local
614 			zone = &dev->zones[i];  in null_zone_mgmt()
615 			null_lock_zone(dev, zone);  in null_zone_mgmt()
616 			if (zone->cond != BLK_ZONE_COND_EMPTY) {  in null_zone_mgmt()
617 				null_reset_zone(dev, zone);  in null_zone_mgmt()
618 				trace_nullb_zone_op(cmd, i, zone->cond);  in null_zone_mgmt()
620 			null_unlock_zone(dev, zone);  in null_zone_mgmt()
626 	zone = &dev->zones[zone_no];  in null_zone_mgmt()
628 	null_lock_zone(dev, zone);  in null_zone_mgmt()
632 		ret = null_reset_zone(dev, zone);  in null_zone_mgmt()
635 		ret = null_open_zone(dev, zone);  in null_zone_mgmt()
638 		ret = null_close_zone(dev, zone);  in null_zone_mgmt()
641 		ret = null_finish_zone(dev, zone);  in null_zone_mgmt()
649 		trace_nullb_zone_op(cmd, zone_no, zone->cond);  in null_zone_mgmt()
651 	null_unlock_zone(dev, zone);  in null_zone_mgmt()
660 	struct nullb_zone *zone;  in null_process_zoned_cmd()  local
676 		zone = &dev->zones[null_zone_no(dev, sector)];  in null_process_zoned_cmd()
678 		null_lock_zone(dev, zone);  in null_process_zoned_cmd()
680 		null_unlock_zone(dev, zone);  in null_process_zoned_cmd()