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vmm: interrupt: simplify interrupt handling traits

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Drop the generic type E and use IrqRoutngEntry directly. This allows
dropping a bunch of trait bounds from code.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu 2021-03-24 16:29:06 +00:00 committed by Sebastien Boeuf
parent 1d9f27c9fb
commit f5c550affb
1 changed files with 13 additions and 27 deletions
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40
vmm/src/interrupt.rs
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@ -4,6 +4,7 @@
//
use devices::interrupt_controller::InterruptController;
use hypervisor::IrqRoutingEntry;
use std::collections::HashMap;
use std::io;
use std::sync::atomic::{AtomicBool, Ordering};
@ -83,23 +84,18 @@ impl InterruptRoute {
}
}
pub struct RoutingEntry<E> {
route: E,
pub struct RoutingEntry<IrqRoutingEntry> {
route: IrqRoutingEntry,
masked: bool,
}
pub struct MsiInterruptGroup<E> {
pub struct MsiInterruptGroup<IrqRoutingEntry> {
vm: Arc<dyn hypervisor::Vm>,
gsi_msi_routes: Arc<Mutex<HashMap<u32, RoutingEntry<E>>>>,
gsi_msi_routes: Arc<Mutex<HashMap<u32, RoutingEntry<IrqRoutingEntry>>>>,
irq_routes: HashMap<InterruptIndex, InterruptRoute>,
}
pub trait MsiInterruptGroupOps<E> {
fn set_gsi_routes(&self, routes: &HashMap<u32, RoutingEntry<E>>) -> Result<()>;
}
use hypervisor::IrqRoutingEntry;
impl MsiInterruptGroupOps<IrqRoutingEntry> for MsiInterruptGroup<IrqRoutingEntry> {
impl MsiInterruptGroup<IrqRoutingEntry> {
fn set_gsi_routes(&self, routes: &HashMap<u32, RoutingEntry<IrqRoutingEntry>>) -> Result<()> {
let mut entry_vec: Vec<IrqRoutingEntry> = Vec::new();
for (_, entry) in routes.iter() {
@ -127,10 +123,10 @@ pub trait RoutingEntryExt {
) -> Result<Box<Self>>;
}
impl<E> MsiInterruptGroup<E> {
impl<IrqRoutingEntry> MsiInterruptGroup<IrqRoutingEntry> {
fn new(
vm: Arc<dyn hypervisor::Vm>,
gsi_msi_routes: Arc<Mutex<HashMap<u32, RoutingEntry<E>>>>,
gsi_msi_routes: Arc<Mutex<HashMap<u32, RoutingEntry<IrqRoutingEntry>>>>,
irq_routes: HashMap<InterruptIndex, InterruptRoute>,
) -> Self {
MsiInterruptGroup {
@ -141,12 +137,7 @@ impl<E> MsiInterruptGroup<E> {
}
}
impl<E> InterruptSourceGroup for MsiInterruptGroup<E>
where
E: Send + Sync,
RoutingEntry<E>: RoutingEntryExt,
MsiInterruptGroup<E>: MsiInterruptGroupOps<E>,
{
impl InterruptSourceGroup for MsiInterruptGroup<IrqRoutingEntry> {
fn enable(&self) -> Result<()> {
for (_, route) in self.irq_routes.iter() {
route.enable(&self.vm)?;
@ -277,10 +268,10 @@ pub struct LegacyUserspaceInterruptManager {
ioapic: Arc<Mutex<dyn InterruptController>>,
}
pub struct MsiInterruptManager<E> {
pub struct MsiInterruptManager<IrqRoutingEntry> {
allocator: Arc<Mutex<SystemAllocator>>,
vm: Arc<dyn hypervisor::Vm>,
gsi_msi_routes: Arc<Mutex<HashMap<u32, RoutingEntry<E>>>>,
gsi_msi_routes: Arc<Mutex<HashMap<u32, RoutingEntry<IrqRoutingEntry>>>>,
}
impl LegacyUserspaceInterruptManager {
@ -289,7 +280,7 @@ impl LegacyUserspaceInterruptManager {
}
}
impl<E> MsiInterruptManager<E> {
impl MsiInterruptManager<IrqRoutingEntry> {
pub fn new(allocator: Arc<Mutex<SystemAllocator>>, vm: Arc<dyn hypervisor::Vm>) -> Self {
// Create a shared list of GSI that can be shared through all PCI
// devices. This way, we can maintain the full list of used GSI,
@ -323,12 +314,7 @@ impl InterruptManager for LegacyUserspaceInterruptManager {
}
}
impl<E> InterruptManager for MsiInterruptManager<E>
where
E: Send + Sync + 'static,
RoutingEntry<E>: RoutingEntryExt,
MsiInterruptGroup<E>: MsiInterruptGroupOps<E>,
{
impl InterruptManager for MsiInterruptManager<IrqRoutingEntry> {
type GroupConfig = MsiIrqGroupConfig;
fn create_group(