device.rs0.00%
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// Copyright 2024 Google LLC2
//3
// Licensed under the Apache License, Version 2.0 (the "License");4
// you may not use this file except in compliance with the License.5
// You may obtain a copy of the License at6
//7
// https://www.apache.org/licenses/LICENSE-2.08
//9
// Unless required by applicable law or agreed to in writing, software10
// distributed under the License is distributed on an "AS IS" BASIS,11
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12
// See the License for the specific language governing permissions and13
// limitations under the License.14
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use alioth_macros::trace_error;16
use snafu::Snafu;17
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use crate::errors::DebugTrace;19
use crate::mem::emulated::Mmio;20
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pub mod clock;22
pub mod cmos;23
pub mod console;24
#[cfg(target_arch = "x86_64")]25
#[path = "fw_cfg/fw_cfg.rs"]26
pub mod fw_cfg;27
#[cfg(target_arch = "x86_64")]28
pub mod ioapic;29
pub mod net;30
#[cfg(target_arch = "aarch64")]31
pub mod pl011;32
#[cfg(target_arch = "aarch64")]33
pub mod pl031;34
#[cfg(target_arch = "x86_64")]35
pub mod serial;36
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#[trace_error]38
#[derive(Snafu, DebugTrace)]39
#[snafu(module, visibility(pub(crate)), context(suffix(false)))]40
pub enum Error {41
#[snafu(display("Device is not pausable"))]42
NotPausable,43
}44
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pub type Result<T, E = Error> = std::result::Result<T, E>;46
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pub trait Pause {48
fn pause(&self) -> Result<()> {49
error::NotPausable.fail()50
}51
fn resume(&self) -> Result<()> {52
error::NotPausable.fail()53
}54
}55
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pub trait MmioDev: Mmio + Pause {}57