sdk/banjo/fuchsia.hardware.rawnand/rawnand.fidl

// 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")
@banjo_layout("ddk-protocol")
protocol RawNand {
    /// Read one NAND page and its out-of-band data with hardware ECC.
    ReadPageHwecc(struct {
        nandpage uint32;
    }) -> (struct {
        s zx.status;
        @buffer
        data vector<uint8>:MAX;
        @buffer
        oob vector<uint8>:MAX;
        ecc_correct uint32;
    });

    /// Write one NAND page and its out-of-band data with hardware ECC.
    ///
    /// Should return ZX_ERR_IO *only* when an error occurred due to underlying hardware.
    WritePageHwecc(struct {
        @buffer
        data vector<uint8>:MAX;
        @buffer
        oob vector<uint8>:MAX;
        nandpage uint32;
    }) -> (struct {
        s zx.status;
    });

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

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