sdk/banjo/fuchsia.hardware.badblock/bad-block.banjo

// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

library fuchsia.hardware.badblock;

using zx;

[Transport = "Banjo", BanjoLayout = "ddk-protocol"]
protocol BadBlock {
    /// Fills in |bad_blocks| with a list of bad blocks, up until
    /// |bad_blocks_count|. The order of blocks is undefined.
    /// |bad_blocks_actual| will be filled in with the actual number of bad
    /// blocks. It is recommended to first make call with |bad_blocks_count|
    /// equal to 0 in order to determine how large the |bad_blocks| is.
    GetBadBlockList() -> (zx.status s, vector<uint32> bad_blocks);

    /// Sets |block| as bad. If block is already marked bad, it has no effect.
    MarkBlockBad(uint32 block) -> (zx.status s);
};