int blk_ksm_init(struct blk_keyslot_manager *ksm, unsigned int num_slots);
+int devm_blk_ksm_init(struct device *dev, struct blk_keyslot_manager *ksm,
+ unsigned int num_slots);
+
blk_status_t blk_ksm_get_slot_for_key(struct blk_keyslot_manager *ksm,
const struct blk_crypto_key *key,
struct blk_ksm_keyslot **slot_ptr);