drivers/scsi/scsi_debug.c

3721 	struct sdeb_zone_state *zsp;
3732 	zsp = &devip->zstate[zno];
3733 	if (lba >= zsp->z_start + zsp->z_size)
3734 		zsp++;
3735 	WARN_ON_ONCE(lba >= zsp->z_start + zsp->z_size);
3736 	return zsp;
3739 static inline bool zbc_zone_is_conv(struct sdeb_zone_state *zsp)
3741 	return zsp->z_type == ZBC_ZTYPE_CNV;
3744 static inline bool zbc_zone_is_gap(struct sdeb_zone_state *zsp)
3746 	return zsp->z_type == ZBC_ZTYPE_GAP;
3749 static inline bool zbc_zone_is_seq(struct sdeb_zone_state *zsp)
3751 	return !zbc_zone_is_conv(zsp) && !zbc_zone_is_gap(zsp);
3755 			   struct sdeb_zone_state *zsp)
3759 	if (!zbc_zone_is_seq(zsp))
3762 	zc = zsp->z_cond;
3771 	if (zsp->z_wp == zsp->z_start) {
3772 		zsp->z_cond = ZC1_EMPTY;
3774 		zsp->z_cond = ZC4_CLOSED;
3781 	struct sdeb_zone_state *zsp = &devip->zstate[0];
3784 	for (i = 0; i < devip->nr_zones; i++, zsp++) {
3785 		if (zsp->z_cond == ZC2_IMPLICIT_OPEN) {
3786 			zbc_close_zone(devip, zsp);
3793 			  struct sdeb_zone_state *zsp, bool explicit)
3797 	if (!zbc_zone_is_seq(zsp))
3800 	zc = zsp->z_cond;
3806 	if (explicit && zsp->z_cond == ZC2_IMPLICIT_OPEN)
3807 		zbc_close_zone(devip, zsp);
3812 	if (zsp->z_cond == ZC4_CLOSED)
3815 		zsp->z_cond = ZC3_EXPLICIT_OPEN;
3818 		zsp->z_cond = ZC2_IMPLICIT_OPEN;
3824 				     struct sdeb_zone_state *zsp)
3826 	switch (zsp->z_cond) {
3835 			  zsp->z_start, zsp->z_cond);
3838 	zsp->z_cond = ZC5_FULL;
3844 	struct sdeb_zone_state *zsp = zbc_zone(devip, lba);
3845 	unsigned long long n, end, zend = zsp->z_start + zsp->z_size;
3847 	if (!zbc_zone_is_seq(zsp))
3850 	if (zsp->z_type == ZBC_ZTYPE_SWR) {
3851 		zsp->z_wp += num;
3852 		if (zsp->z_wp >= zend)
3853 			zbc_set_zone_full(devip, zsp);
3858 		if (lba != zsp->z_wp)
3859 			zsp->z_non_seq_resource = true;
3864 			zsp->z_wp = zend;
3865 		} else if (end > zsp->z_wp) {
3867 			zsp->z_wp = end;
3871 		if (zsp->z_wp >= zend)
3872 			zbc_set_zone_full(devip, zsp);
3877 			zsp++;
3878 			zend = zsp->z_start + zsp->z_size;
3888 	struct sdeb_zone_state *zsp = zbc_zone(devip, lba);
3893 		if (zsp->z_type != zsp_end->z_type) {
3903 	if (zbc_zone_is_gap(zsp)) {
3910 	if (zbc_zone_is_conv(zsp)) {
3920 	if (zsp->z_type == ZBC_ZTYPE_SWR) {
3922 		if (zsp_end != zsp) {
3929 		if (zsp->z_cond == ZC5_FULL) {
3935 		if (lba != zsp->z_wp) {
3944 	if (zsp->z_cond == ZC1_EMPTY || zsp->z_cond == ZC4_CLOSED) {
3952 		zbc_open_zone(devip, zsp, false);
5883 	struct sdeb_zone_state *zsp = NULL;
5915 	     lba = zsp->z_start + zsp->z_size) {
5916 		if (WARN_ONCE(zbc_zone(devip, lba) == zsp, "lba = %llu\n", lba))
5918 		zsp = zbc_zone(devip, lba);
5925 			if (zsp->z_cond != ZC1_EMPTY)
5930 			if (zsp->z_cond != ZC2_IMPLICIT_OPEN)
5935 			if (zsp->z_cond != ZC3_EXPLICIT_OPEN)
5940 			if (zsp->z_cond != ZC4_CLOSED)
5945 			if (zsp->z_cond != ZC5_FULL)
5958 			if (!zsp->z_non_seq_resource)
5963 			if (zbc_zone_is_gap(zsp))
5968 			if (zbc_zone_is_seq(zsp))
5980 			desc[0] = zsp->z_type;
5981 			desc[1] = zsp->z_cond << 4;
5982 			if (zsp->z_non_seq_resource)
5984 			put_unaligned_be64((u64)zsp->z_size, desc + 8);
5985 			put_unaligned_be64((u64)zsp->z_start, desc + 16);
5986 			put_unaligned_be64((u64)zsp->z_wp, desc + 24);
6076 	struct sdeb_zone_state *zsp = &devip->zstate[0];
6079 	for (i = 0; i < devip->nr_zones; i++, zsp++) {
6080 		if (zsp->z_cond == ZC4_CLOSED)
6091 	struct sdeb_zone_state *zsp;
6123 	zsp = zbc_zone(devip, z_id);
6124 	if (z_id != zsp->z_start) {
6129 	if (zbc_zone_is_conv(zsp)) {
6135 	zc = zsp->z_cond;
6146 	zbc_open_zone(devip, zsp, true);
6166 	struct sdeb_zone_state *zsp;
6190 	zsp = zbc_zone(devip, z_id);
6191 	if (z_id != zsp->z_start) {
6196 	if (zbc_zone_is_conv(zsp)) {
6202 	zbc_close_zone(devip, zsp);
6209 			    struct sdeb_zone_state *zsp, bool empty)
6211 	enum sdebug_z_cond zc = zsp->z_cond;
6216 			zbc_close_zone(devip, zsp);
6217 		if (zsp->z_cond == ZC4_CLOSED)
6219 		zsp->z_wp = zsp->z_start + zsp->z_size;
6220 		zsp->z_cond = ZC5_FULL;
6235 	struct sdeb_zone_state *zsp;
6262 	zsp = zbc_zone(devip, z_id);
6263 	if (z_id != zsp->z_start) {
6268 	if (zbc_zone_is_conv(zsp)) {
6274 	zbc_finish_zone(devip, zsp, true);
6281 			 struct sdeb_zone_state *zsp)
6286 	if (!zbc_zone_is_seq(zsp))
6289 	zc = zsp->z_cond;
6291 		zbc_close_zone(devip, zsp);
6293 	if (zsp->z_cond == ZC4_CLOSED)
6296 	if (zsp->z_wp > zsp->z_start)
6297 		memset(sip->storep + zsp->z_start * sdebug_sector_size, 0,
6298 		       (zsp->z_wp - zsp->z_start) * sdebug_sector_size);
6300 	zsp->z_non_seq_resource = false;
6301 	zsp->z_wp = zsp->z_start;
6302 	zsp->z_cond = ZC1_EMPTY;
6315 	struct sdeb_zone_state *zsp;
6341 	zsp = zbc_zone(devip, z_id);
6342 	if (z_id != zsp->z_start) {
6347 	if (zbc_zone_is_conv(zsp)) {
6353 	zbc_rwp_zone(devip, zsp);
6422 	struct sdeb_zone_state *zsp;
6498 		zsp = &devip->zstate[i];
6500 		zsp->z_start = zstart;
6503 			zsp->z_type = ZBC_ZTYPE_CNV;
6504 			zsp->z_cond = ZBC_NOT_WRITE_POINTER;
6505 			zsp->z_wp = (sector_t)-1;
6506 			zsp->z_size =
6510 				zsp->z_type = ZBC_ZTYPE_SWR;
6512 				zsp->z_type = ZBC_ZTYPE_SWP;
6513 			zsp->z_cond = ZC1_EMPTY;
6514 			zsp->z_wp = zsp->z_start;
6515 			zsp->z_size =
6518 			zsp->z_type = ZBC_ZTYPE_GAP;
6519 			zsp->z_cond = ZBC_NOT_WRITE_POINTER;
6520 			zsp->z_wp = (sector_t)-1;
6521 			zsp->z_size = min_t(u64, devip->zsize - devip->zcap,
6525 		WARN_ON_ONCE((int)zsp->z_size <= 0);
6526 		zstart += zsp->z_size;