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fix(xenclient): use a single transaction for device setup (#130)

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This commit is contained in:
Alex Zenla
2024-05-05 13:39:53 -07:00
committed by GitHub
parent 3187830ff5
commit 51dff0361d
5 changed files with 74 additions and 40 deletions
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12
crates/xen/xenclient/src/pci.rs
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@ -112,6 +112,13 @@ impl XenPciBackend {
Ok(resources)
}
pub async fn enable_permissive(&self, bdf: &PciBdf) -> Result<()> {
let mut path: PathBuf = self.path.clone();
path.push("permissive");
fs::write(path, bdf.to_string()).await?;
Ok(())
}
pub async fn has_slot(&self, bdf: &PciBdf) -> Result<bool> {
let mut slots_path = self.path.clone();
slots_path.push("slots");
@ -128,8 +135,9 @@ impl XenPciBackend {
pub async fn reset(&self, bdf: &PciBdf) -> Result<()> {
let mut path: PathBuf = self.path.clone();
path.push("do_flr");
fs::write(&path, bdf.to_string()).await?;
path.push(bdf.to_string());
path.push("reset");
let _ = fs::write(path, "1\n").await;
Ok(())
}
}