static int block_crypto_create_generic(QCryptoBlockFormat format, const char *filename, QemuOpts *opts, Error **errp) { int ret = -EINVAL; QCryptoBlockCreateOptions *create_opts = NULL; QCryptoBlock *crypto = NULL; struct BlockCryptoCreateData data = { .size = ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0), BDRV_SECTOR_SIZE), .opts = opts, .filename = filename, }; create_opts = block_crypto_create_opts_init(format, opts, errp); if (!create_opts) { return -1; } crypto = qcrypto_block_create(create_opts, block_crypto_init_func, block_crypto_write_func, &data, errp); if (!crypto) { ret = -EIO; goto cleanup; } ret = 0; cleanup: qcrypto_block_free(crypto); blk_unref(data.blk); qapi_free_QCryptoBlockCreateOptions(create_opts); return ret; }