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misc: hypervisor: streamline #[source] and Error

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This streamlines the code base to follow best practices for
error handling in Rust: Each error struct implements
std::error::Error (most due via thiserror::Error derive macro)
and sets its source accordingly.

This allows future work that nicely prints the error chains,
for example.

So far, the convention is that each error prints its
sub error as part of its Display::fmt() impl.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
This commit is contained in:
Philipp Schuster
2025-05-19 09:50:25 +02:00
committed by Rob Bradford
parent 93b599e59e
commit 8696bc6604
4 changed files with 12 additions and 12 deletions
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8
hypervisor/src/hypervisor.rs
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@@ -67,22 +67,22 @@ pub enum HypervisorError {
///
/// Checking extensions failed
///
#[error("Checking extensions:{0}")]
#[error("Checking extensions: {0}")]
CheckExtensions(#[source] anyhow::Error),
///
/// Failed to retrieve TDX capabilities
///
#[error("Failed to retrieve TDX capabilities:{0}")]
#[error("Failed to retrieve TDX capabilities: {0}")]
TdxCapabilities(#[source] anyhow::Error),
///
/// Failed to set partition property
///
#[error("Failed to set partition property:{0}")]
#[error("Failed to set partition property: {0}")]
SetPartitionProperty(#[source] anyhow::Error),
///
/// Running on an unsupported CPU
///
#[error("Unsupported CPU:{0}")]
#[error("Unsupported CPU: {0}")]
UnsupportedCpu(#[source] anyhow::Error),
///
/// Launching a VM with unsupported VM Type