vmm_core/
platform_resolvers.rs

1// Copyright (c) Microsoft Corporation.
2// Licensed under the MIT License.
3
4use crate::partition_unit::Halt;
5use chipset_resources::ioapic::IoApicRoutingHandleKind;
6use power_resources::PowerRequest;
7use power_resources::PowerRequestClient;
8use power_resources::PowerRequestHandleKind;
9use std::convert::Infallible;
10use std::sync::Arc;
11use vm_resource::PlatformResource;
12use vm_resource::ResolveResource;
13use vmm_core_defs::HaltReason;
14
15/// Platform power request resolver over [`Halt`].
16pub struct HaltResolver(pub Arc<Halt>);
17
18impl ResolveResource<PowerRequestHandleKind, PlatformResource> for HaltResolver {
19    type Output = PowerRequestClient;
20    type Error = Infallible;
21
22    fn resolve(
23        &self,
24        _resource: PlatformResource,
25        _input: (),
26    ) -> Result<Self::Output, Self::Error> {
27        let halt = self.0.clone();
28        Ok((move |request: PowerRequest| match request {
29            PowerRequest::PowerOff => halt.halt(HaltReason::PowerOff),
30            PowerRequest::Reset => halt.halt(HaltReason::Reset),
31            PowerRequest::Hibernate => halt.halt(HaltReason::Hibernate),
32            PowerRequest::TripleFault { vp } => halt.halt(HaltReason::TripleFault {
33                vp,
34                registers: None,
35            }),
36        })
37        .into())
38    }
39}
40
41/// Platform IO-APIC routing resolver.
42///
43/// Wraps a `virt::irqcon::IoApicRouting` into a `chipset_resources::ioapic::IoApicRouting`.
44pub struct IoApicRoutingResolver<T: ?Sized>(pub Arc<T>);
45
46impl<T: ?Sized + virt::irqcon::IoApicRouting + 'static>
47    ResolveResource<IoApicRoutingHandleKind, PlatformResource> for IoApicRoutingResolver<T>
48{
49    type Output = chipset_resources::ioapic::ResolvedIoApicRouting;
50    type Error = Infallible;
51
52    fn resolve(
53        &self,
54        _resource: PlatformResource,
55        _input: (),
56    ) -> Result<Self::Output, Self::Error> {
57        Ok(chipset_resources::ioapic::ResolvedIoApicRouting(Box::new(
58            crate::emuplat::ioapic::IoApicRouting(self.0.clone()),
59        )))
60    }
61}
vmm_core/platform_resolvers.rs

vmm_core/
platform_resolvers.rs
