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devices: move lib.rs common functions

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BUG=b:213149155
TEST=presubmit

Change-Id: Id73ceac4102e14fd0c499da9441268776147f882
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3760147
Commit-Queue: Vikram Auradkar <auradkar@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
This commit is contained in:
Vikram Auradkar 2022-07-13 05:18:18 +00:00 committed by Chromeos LUCI
parent f234eaf752
commit f6908a8bcc
1 changed files with 40 additions and 39 deletions
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79
devices/src/lib.rs
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@ -101,45 +101,6 @@ cfg_if::cfg_if! {
pub use self::vfio::{VfioContainer, VfioDevice};
pub use self::virtio::{vfio_wrapper, VirtioPciDevice};
/// Request CoIOMMU to unpin a specific range.
use serde::{Deserialize, Serialize};
#[derive(Serialize, Deserialize, Debug)]
pub struct UnpinRequest {
/// The ranges presents (start gfn, count).
ranges: Vec<(u64, u64)>,
}
#[derive(Serialize, Deserialize, Debug)]
pub enum UnpinResponse {
Success,
Failed,
}
#[derive(Debug)]
pub enum ParseIommuDevTypeResult {
NoSuchType,
}
#[derive(Copy, Clone, Eq, PartialEq)]
pub enum IommuDevType {
NoIommu,
VirtioIommu,
CoIommu,
}
use std::str::FromStr;
impl FromStr for IommuDevType {
type Err = ParseIommuDevTypeResult;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"off" => Ok(IommuDevType::NoIommu),
"viommu" => Ok(IommuDevType::VirtioIommu),
"coiommu" => Ok(IommuDevType::CoIommu),
_ => Err(ParseIommuDevTypeResult::NoSuchType),
}
}
}
} else if #[cfg(windows)] {
// We define Minijail as an empty struct on Windows because the concept
// of jailing is baked into a bunch of places where it isn't easy
@ -150,3 +111,43 @@ cfg_if::cfg_if! {
compile_error!("Unsupported platform");
}
}
/// Request CoIOMMU to unpin a specific range.
use serde::{Deserialize, Serialize};
#[derive(Serialize, Deserialize, Debug)]
pub struct UnpinRequest {
/// The ranges presents (start gfn, count).
ranges: Vec<(u64, u64)>,
}
#[derive(Serialize, Deserialize, Debug)]
pub enum UnpinResponse {
Success,
Failed,
}
#[derive(Debug)]
pub enum ParseIommuDevTypeResult {
NoSuchType,
}
#[derive(Copy, Clone, Eq, PartialEq)]
pub enum IommuDevType {
NoIommu,
VirtioIommu,
CoIommu,
}
use std::str::FromStr;
impl FromStr for IommuDevType {
type Err = ParseIommuDevTypeResult;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"off" => Ok(IommuDevType::NoIommu),
"viommu" => Ok(IommuDevType::VirtioIommu),
"coiommu" => Ok(IommuDevType::CoIommu),
_ => Err(ParseIommuDevTypeResult::NoSuchType),
}
}
}