drivers/scsi/scsi_debug.c

3100 	struct sdeb_zone_state *zsp;
3111 	zsp = &devip->zstate[zno];
3112 	if (lba >= zsp->z_start + zsp->z_size)
3113 		zsp++;
3114 	WARN_ON_ONCE(lba >= zsp->z_start + zsp->z_size);
3115 	return zsp;
3118 static inline bool zbc_zone_is_conv(struct sdeb_zone_state *zsp)
3120 	return zsp->z_type == ZBC_ZTYPE_CNV;
3123 static inline bool zbc_zone_is_gap(struct sdeb_zone_state *zsp)
3125 	return zsp->z_type == ZBC_ZTYPE_GAP;
3128 static inline bool zbc_zone_is_seq(struct sdeb_zone_state *zsp)
3130 	return !zbc_zone_is_conv(zsp) && !zbc_zone_is_gap(zsp);
3134 			   struct sdeb_zone_state *zsp)
3138 	if (!zbc_zone_is_seq(zsp))
3141 	zc = zsp->z_cond;
3150 	if (zsp->z_wp == zsp->z_start) {
3151 		zsp->z_cond = ZC1_EMPTY;
3153 		zsp->z_cond = ZC4_CLOSED;
3160 	struct sdeb_zone_state *zsp = &devip->zstate[0];
3163 	for (i = 0; i < devip->nr_zones; i++, zsp++) {
3164 		if (zsp->z_cond == ZC2_IMPLICIT_OPEN) {
3165 			zbc_close_zone(devip, zsp);
3172 			  struct sdeb_zone_state *zsp, bool explicit)
3176 	if (!zbc_zone_is_seq(zsp))
3179 	zc = zsp->z_cond;
3185 	if (explicit && zsp->z_cond == ZC2_IMPLICIT_OPEN)
3186 		zbc_close_zone(devip, zsp);
3191 	if (zsp->z_cond == ZC4_CLOSED)
3194 		zsp->z_cond = ZC3_EXPLICIT_OPEN;
3197 		zsp->z_cond = ZC2_IMPLICIT_OPEN;
3203 				     struct sdeb_zone_state *zsp)
3205 	switch (zsp->z_cond) {
3214 			  zsp->z_start, zsp->z_cond);
3217 	zsp->z_cond = ZC5_FULL;
3223 	struct sdeb_zone_state *zsp = zbc_zone(devip, lba);
3224 	unsigned long long n, end, zend = zsp->z_start + zsp->z_size;
3226 	if (!zbc_zone_is_seq(zsp))
3229 	if (zsp->z_type == ZBC_ZTYPE_SWR) {
3230 		zsp->z_wp += num;
3231 		if (zsp->z_wp >= zend)
3232 			zbc_set_zone_full(devip, zsp);
3237 		if (lba != zsp->z_wp)
3238 			zsp->z_non_seq_resource = true;
3243 			zsp->z_wp = zend;
3244 		} else if (end > zsp->z_wp) {
3246 			zsp->z_wp = end;
3250 		if (zsp->z_wp >= zend)
3251 			zbc_set_zone_full(devip, zsp);
3256 			zsp++;
3257 			zend = zsp->z_start + zsp->z_size;
3267 	struct sdeb_zone_state *zsp = zbc_zone(devip, lba);
3272 		if (zsp->z_type != zsp_end->z_type) {
3282 	if (zbc_zone_is_gap(zsp)) {
3289 	if (zbc_zone_is_conv(zsp)) {
3299 	if (zsp->z_type == ZBC_ZTYPE_SWR) {
3301 		if (zsp_end != zsp) {
3308 		if (zsp->z_cond == ZC5_FULL) {
3314 		if (lba != zsp->z_wp) {
3323 	if (zsp->z_cond == ZC1_EMPTY || zsp->z_cond == ZC4_CLOSED) {
3331 		zbc_open_zone(devip, zsp, false);
4909 	struct sdeb_zone_state *zsp = NULL;
4941 	     lba = zsp->z_start + zsp->z_size) {
4942 		if (WARN_ONCE(zbc_zone(devip, lba) == zsp, "lba = %llu\n", lba))
4944 		zsp = zbc_zone(devip, lba);
4951 			if (zsp->z_cond != ZC1_EMPTY)
4956 			if (zsp->z_cond != ZC2_IMPLICIT_OPEN)
4961 			if (zsp->z_cond != ZC3_EXPLICIT_OPEN)
4966 			if (zsp->z_cond != ZC4_CLOSED)
4971 			if (zsp->z_cond != ZC5_FULL)
4984 			if (!zsp->z_non_seq_resource)
4989 			if (zbc_zone_is_gap(zsp))
4994 			if (zbc_zone_is_seq(zsp))
5006 			desc[0] = zsp->z_type;
5007 			desc[1] = zsp->z_cond << 4;
5008 			if (zsp->z_non_seq_resource)
5010 			put_unaligned_be64((u64)zsp->z_size, desc + 8);
5011 			put_unaligned_be64((u64)zsp->z_start, desc + 16);
5012 			put_unaligned_be64((u64)zsp->z_wp, desc + 24);
5043 	struct sdeb_zone_state *zsp = &devip->zstate[0];
5046 	for (i = 0; i < devip->nr_zones; i++, zsp++) {
5047 		if (zsp->z_cond == ZC4_CLOSED)
5058 	struct sdeb_zone_state *zsp;
5091 	zsp = zbc_zone(devip, z_id);
5092 	if (z_id != zsp->z_start) {
5097 	if (zbc_zone_is_conv(zsp)) {
5103 	zc = zsp->z_cond;
5114 	zbc_open_zone(devip, zsp, true);
5134 	struct sdeb_zone_state *zsp;
5158 	zsp = zbc_zone(devip, z_id);
5159 	if (z_id != zsp->z_start) {
5164 	if (zbc_zone_is_conv(zsp)) {
5170 	zbc_close_zone(devip, zsp);
5177 			    struct sdeb_zone_state *zsp, bool empty)
5179 	enum sdebug_z_cond zc = zsp->z_cond;
5184 			zbc_close_zone(devip, zsp);
5185 		if (zsp->z_cond == ZC4_CLOSED)
5187 		zsp->z_wp = zsp->z_start + zsp->z_size;
5188 		zsp->z_cond = ZC5_FULL;
5203 	struct sdeb_zone_state *zsp;
5230 	zsp = zbc_zone(devip, z_id);
5231 	if (z_id != zsp->z_start) {
5236 	if (zbc_zone_is_conv(zsp)) {
5242 	zbc_finish_zone(devip, zsp, true);
5249 			 struct sdeb_zone_state *zsp)
5254 	if (!zbc_zone_is_seq(zsp))
5257 	zc = zsp->z_cond;
5259 		zbc_close_zone(devip, zsp);
5261 	if (zsp->z_cond == ZC4_CLOSED)
5264 	if (zsp->z_wp > zsp->z_start)
5265 		memset(sip->storep + zsp->z_start * sdebug_sector_size, 0,
5266 		       (zsp->z_wp - zsp->z_start) * sdebug_sector_size);
5268 	zsp->z_non_seq_resource = false;
5269 	zsp->z_wp = zsp->z_start;
5270 	zsp->z_cond = ZC1_EMPTY;
5283 	struct sdeb_zone_state *zsp;
5309 	zsp = zbc_zone(devip, z_id);
5310 	if (z_id != zsp->z_start) {
5315 	if (zbc_zone_is_conv(zsp)) {
5321 	zbc_rwp_zone(devip, zsp);
5394 	struct sdeb_zone_state *zsp;
5470 		zsp = &devip->zstate[i];
5472 		zsp->z_start = zstart;
5475 			zsp->z_type = ZBC_ZTYPE_CNV;
5476 			zsp->z_cond = ZBC_NOT_WRITE_POINTER;
5477 			zsp->z_wp = (sector_t)-1;
5478 			zsp->z_size =
5482 				zsp->z_type = ZBC_ZTYPE_SWR;
5484 				zsp->z_type = ZBC_ZTYPE_SWP;
5485 			zsp->z_cond = ZC1_EMPTY;
5486 			zsp->z_wp = zsp->z_start;
5487 			zsp->z_size =
5490 			zsp->z_type = ZBC_ZTYPE_GAP;
5491 			zsp->z_cond = ZBC_NOT_WRITE_POINTER;
5492 			zsp->z_wp = (sector_t)-1;
5493 			zsp->z_size = min_t(u64, devip->zsize - devip->zcap,
5497 		WARN_ON_ONCE((int)zsp->z_size <= 0);
5498 		zstart += zsp->z_size;