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
pub mod fw_dbg;28
#[cfg(target_arch = "x86_64")]29
pub mod ioapic;30
pub mod net;31
#[cfg(target_arch = "aarch64")]32
pub mod pl011;33
#[cfg(target_arch = "aarch64")]34
pub mod pl031;35
#[cfg(target_arch = "x86_64")]36
pub mod serial;37
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#[trace_error]39
#[derive(Snafu, DebugTrace)]40
#[snafu(module, visibility(pub(crate)), context(suffix(false)))]41
pub enum Error {42
#[snafu(display("Error from OS"), context(false))]43
System { error: std::io::Error },44
#[snafu(display("Device is not pausable"))]45
NotPausable,46
}47
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pub type Result<T, E = Error> = std::result::Result<T, E>;49
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pub trait Pause {51
fn pause(&self) -> Result<()> {52
error::NotPausable.fail()53
}54
fn resume(&self) -> Result<()> {55
error::NotPausable.fail()56
}57
}58
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pub trait MmioDev: Mmio + Pause {}60