sdk/banjo/fuchsia.hardware.rawnand/rawnand.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.rawnand;

using fuchsia.hardware.nandinfo;
using zx;

[Transport = "Banjo", BanjoLayout = "ddk-protocol"]
protocol RawNand {
    /// Read one NAND page and its out-of-band data with hardware ECC.
    ReadPageHwecc(uint32 nandpage) -> (zx.status s, [Buffer] vector<uint8> data, [Buffer] vector<uint8> oob,
                                       uint32 ecc_correct);

    /// Write one NAND page and its out-of-band data with hardware ECC.
    ///
    /// Should return ZX_ERR_IO *only* when an error ocurred due to underlying hardware.
    WritePageHwecc([Buffer] vector<uint8> data, [Buffer] vector<uint8> oob, uint32 nandpage) -> (zx.status s);

    /// Erase NAND block.
    ///
    /// Should return ZX_ERR_IO *only* when error ocurred due to underlying hardware.
    EraseBlock(uint32 nandpage) -> (zx.status s);

    GetNandInfo() -> (zx.status s, fuchsia.hardware.nandinfo.NandInfo info);
};