+/* BCH_SB_FIELD_crypt: */
+
+static int bch2_sb_crypt_validate(struct bch_sb *sb,
+ struct bch_sb_field *f,
+ struct printbuf *err)
+{
+ struct bch_sb_field_crypt *crypt = field_to_type(f, crypt);
+
+ if (vstruct_bytes(&crypt->field) < sizeof(*crypt)) {
+ prt_printf(err, "wrong size (got %zu should be %zu)",
+ vstruct_bytes(&crypt->field), sizeof(*crypt));
+ return -BCH_ERR_invalid_sb_crypt;
+ }
+
+ if (BCH_CRYPT_KDF_TYPE(crypt)) {
+ prt_printf(err, "bad kdf type %llu", BCH_CRYPT_KDF_TYPE(crypt));
+ return -BCH_ERR_invalid_sb_crypt;
+ }
+
+ return 0;
+}
+
+static void bch2_sb_crypt_to_text(struct printbuf *out, struct bch_sb *sb,
+ struct bch_sb_field *f)
+{
+ struct bch_sb_field_crypt *crypt = field_to_type(f, crypt);
+
+ prt_printf(out, "KFD: %llu", BCH_CRYPT_KDF_TYPE(crypt));
+ prt_newline(out);
+ prt_printf(out, "scrypt n: %llu", BCH_KDF_SCRYPT_N(crypt));
+ prt_newline(out);
+ prt_printf(out, "scrypt r: %llu", BCH_KDF_SCRYPT_R(crypt));
+ prt_newline(out);
+ prt_printf(out, "scrypt p: %llu", BCH_KDF_SCRYPT_P(crypt));
+ prt_newline(out);
+}
+
+const struct bch_sb_field_ops bch_sb_field_ops_crypt = {
+ .validate = bch2_sb_crypt_validate,
+ .to_text = bch2_sb_crypt_to_text,
+};
+