69 	struct default_key_c *dkc = ti->private;  in default_key_dtr()  local
72 	if (dkc->dev) {  in default_key_dtr()
73 		err = blk_crypto_evict_key(bdev_get_queue(dkc->dev->bdev),  in default_key_dtr()
74 					   &dkc->key);  in default_key_dtr()
77 		dm_put_device(ti, dkc->dev);  in default_key_dtr()
79 	kfree_sensitive(dkc->cipher_string);  in default_key_dtr()
80 	kfree_sensitive(dkc);  in default_key_dtr()
86 	struct default_key_c *dkc = ti->private;  in default_key_ctr_optional()  local
113 				  &dkc->sector_size, &dummy) == 1) {  in default_key_ctr_optional()
114 			if (dkc->sector_size < SECTOR_SIZE ||  in default_key_ctr_optional()
115 			    dkc->sector_size > 4096 ||  in default_key_ctr_optional()
116 			    !is_power_of_2(dkc->sector_size)) {  in default_key_ctr_optional()
123 			dkc->is_hw_wrapped = true;  in default_key_ctr_optional()
131 	if (dkc->sector_size != SECTOR_SIZE && !iv_large_sectors) {  in default_key_ctr_optional()
149 	struct default_key_c *dkc;  in default_key_ctr()  local
163 	dkc = kzalloc(sizeof(*dkc), GFP_KERNEL);  in default_key_ctr()
164 	if (!dkc) {  in default_key_ctr()
168 	ti->private = dkc;  in default_key_ctr()
171 	dkc->cipher_string = kstrdup(argv[0], GFP_KERNEL);  in default_key_ctr()
172 	if (!dkc->cipher_string) {  in default_key_ctr()
177 	cipher = lookup_cipher(dkc->cipher_string);  in default_key_ctr()
200 	if (sscanf(argv[2], "%llu%c", &dkc->iv_offset, &dummy) != 1) {  in default_key_ctr()
208 			    &dkc->dev);  in default_key_ctr()
221 	dkc->start = tmpll;  in default_key_ctr()
224 	dkc->sector_size = SECTOR_SIZE;  in default_key_ctr()
230 	dkc->sector_bits = ilog2(dkc->sector_size);  in default_key_ctr()
231 	if (ti->len & ((dkc->sector_size >> SECTOR_SHIFT) - 1)) {  in default_key_ctr()
237 	dkc->max_dun = (dkc->iv_offset + ti->len - 1) >>  in default_key_ctr()
238 		       (dkc->sector_bits - SECTOR_SHIFT);  in default_key_ctr()
239 	dun_bytes = DIV_ROUND_UP(fls64(dkc->max_dun), 8);  in default_key_ctr()
241 	err = blk_crypto_init_key(&dkc->key, raw_key, raw_key_size,  in default_key_ctr()
242 				  dkc->is_hw_wrapped, cipher->mode_num,  in default_key_ctr()
243 				  dun_bytes, dkc->sector_size);  in default_key_ctr()
249 	err = blk_crypto_start_using_key(&dkc->key,  in default_key_ctr()
250 					 bdev_get_queue(dkc->dev->bdev));  in default_key_ctr()
270 	const struct default_key_c *dkc = ti->private;  in default_key_map()  local
274 	bio_set_dev(bio, dkc->dev->bdev);  in default_key_map()
285 	bio->bi_iter.bi_sector = dkc->start + sector_in_target;  in default_key_map()
303 	dun[0] = dkc->iv_offset + sector_in_target; /* 512-byte sectors */  in default_key_map()
304 	if (dun[0] & ((dkc->sector_size >> SECTOR_SHIFT) - 1))  in default_key_map()
306 	dun[0] >>= dkc->sector_bits - SECTOR_SHIFT; /* crypto sectors */  in default_key_map()
312 	if (WARN_ON_ONCE(dun[0] > dkc->max_dun))  in default_key_map()
315 	bio_crypt_set_ctx(bio, &dkc->key, dun, GFP_NOIO);  in default_key_map()
324 	const struct default_key_c *dkc = ti->private;  in default_key_status()  local
335 		DMEMIT("%s - %llu %s %llu", dkc->cipher_string, dkc->iv_offset,  in default_key_status()
336 		       dkc->dev->name, (unsigned long long)dkc->start);  in default_key_status()
339 		if (dkc->sector_size != SECTOR_SIZE)  in default_key_status()
341 		if (dkc->is_hw_wrapped)  in default_key_status()
347 			if (dkc->sector_size != SECTOR_SIZE) {  in default_key_status()
348 				DMEMIT(" sector_size:%u", dkc->sector_size);  in default_key_status()
351 			if (dkc->is_hw_wrapped)  in default_key_status()
361 	const struct default_key_c *dkc = ti->private;  in default_key_prepare_ioctl()  local
362 	const struct dm_dev *dev = dkc->dev;  in default_key_prepare_ioctl()
367 	if (dkc->start != 0 ||  in default_key_prepare_ioctl()
377 	const struct default_key_c *dkc = ti->private;  in default_key_iterate_devices()  local
379 	return fn(ti, dkc->dev, dkc->start, ti->len, data);  in default_key_iterate_devices()
385 	const struct default_key_c *dkc = ti->private;  in default_key_io_hints()  local
386 	const unsigned int sector_size = dkc->sector_size;  in default_key_io_hints()