sdk/banjo/ddk.protocol.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 ddk.protocol.rawnand;

using zircon.device.nand;
using zx;

[Layout = "ddk-protocol"]
protocol RawNand {
    /// Read one NAND page and its out-of-band data with hardware ECC.
    ReadPageHwecc(uint32 nandpage) -> (zx.status s, vector<voidptr> data, vector<voidptr> 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(vector<voidptr> data, vector<voidptr> 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, zircon.device.nand.NandInfo info);
};