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The changes were mostly automatically applied using the Python script mentioned in the first commit of this series. Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de> On-behalf-of: SAP philipp.schuster@sap.com
64 lines
2.0 KiB
Rust
64 lines
2.0 KiB
Rust
// Copyright © 2024 Institute of Software, CAS. All rights reserved.
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//
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// SPDX-License-Identifier: Apache-2.0
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use std::any::Any;
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use std::result;
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use thiserror::Error;
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use crate::{AiaState, HypervisorDeviceError, HypervisorVmError};
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/// Errors thrown while setting up the VAIA.
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#[derive(Debug, Error)]
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pub enum Error {
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/// Error while calling KVM ioctl for setting up the global interrupt controller.
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#[error("Failed creating AIA device")]
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CreateAia(#[source] HypervisorVmError),
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/// Error while setting device attributes for the AIA.
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#[error("Failed setting device attributes for the AIA")]
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SetDeviceAttribute(#[source] HypervisorDeviceError),
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/// Error while getting device attributes for the AIA.
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#[error("Failed getting device attributes for the AIA")]
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GetDeviceAttribute(#[source] HypervisorDeviceError),
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}
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pub type Result<T> = result::Result<T, Error>;
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#[derive(Debug)]
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pub struct VaiaConfig {
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pub vcpu_count: u32,
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pub aplic_addr: u64,
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pub imsic_addr: u64,
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pub nr_irqs: u32,
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}
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/// Hypervisor agnostic interface for a virtualized AIA
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pub trait Vaia: Send + Sync {
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/// Returns the compatibility property of APLIC
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fn aplic_compatibility(&self) -> &str;
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/// Returns an array with APLIC device properties
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fn aplic_properties(&self) -> [u32; 4];
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/// Returns the compatibility property of IMSIC
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fn imsic_compatibility(&self) -> &str;
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/// Returns an array with IMSIC device properties
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fn imsic_properties(&self) -> [u32; 4];
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/// Returns the number of vCPUs this AIA handles
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fn vcpu_count(&self) -> u32;
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/// Returns whether the AIA device is MSI compatible or not
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fn msi_compatible(&self) -> bool;
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/// Downcast the trait object to its concrete type.
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fn as_any_concrete_mut(&mut self) -> &mut dyn Any;
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/// Save the state of AiaImsics.
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fn state(&self) -> Result<AiaState>;
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/// Restore the state of AiaImsics.
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fn set_state(&mut self, state: &AiaState) -> Result<()>;
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}
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