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vmm: interrupt: extract common code from MSHV and KVM

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Their make_entry functions look the same now. Extract the logic to a
common function.

No functional change.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu 2021-03-24 16:23:56 +00:00 committed by Sebastien Boeuf
parent 8b7aafad16
commit 1d9f27c9fb
1 changed files with 21 additions and 48 deletions
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69
vmm/src/interrupt.rs
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@ -98,6 +98,27 @@ pub trait MsiInterruptGroupOps<E> {
fn set_gsi_routes(&self, routes: &HashMap<u32, RoutingEntry<E>>) -> Result<()>;
}
use hypervisor::IrqRoutingEntry;
impl MsiInterruptGroupOps<IrqRoutingEntry> for 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() {
if entry.masked {
continue;
}
entry_vec.push(entry.route);
}
self.vm.set_gsi_routing(&entry_vec).map_err(|e| {
io::Error::new(
io::ErrorKind::Other,
format!("Failed setting GSI routing: {}", e),
)
})
}
}
pub trait RoutingEntryExt {
fn make_entry(
vm: &Arc<dyn hypervisor::Vm>,
@ -339,7 +360,6 @@ pub mod kvm {
use hypervisor::kvm::KVM_MSI_VALID_DEVID;
use hypervisor::kvm::{kvm_irq_routing_entry, KVM_IRQ_ROUTING_IRQCHIP, KVM_IRQ_ROUTING_MSI};
type KvmMsiInterruptGroup = MsiInterruptGroup<kvm_irq_routing_entry>;
type KvmRoutingEntry = RoutingEntry<kvm_irq_routing_entry>;
pub type KvmMsiInterruptManager = MsiInterruptManager<kvm_irq_routing_entry>;
@ -393,29 +413,6 @@ pub mod kvm {
))
}
}
impl MsiInterruptGroupOps<kvm_irq_routing_entry> for KvmMsiInterruptGroup {
fn set_gsi_routes(
&self,
routes: &HashMap<u32, RoutingEntry<kvm_irq_routing_entry>>,
) -> Result<()> {
let mut entry_vec: Vec<kvm_irq_routing_entry> = Vec::new();
for (_, entry) in routes.iter() {
if entry.masked {
continue;
}
entry_vec.push(entry.route);
}
self.vm.set_gsi_routing(&entry_vec).map_err(|e| {
io::Error::new(
io::ErrorKind::Other,
format!("Failed setting GSI routing: {}", e),
)
})
}
}
}
#[cfg(feature = "mshv")]
@ -423,7 +420,6 @@ pub mod mshv {
use super::*;
use hypervisor::mshv::*;
type MshvMsiInterruptGroup = MsiInterruptGroup<mshv_msi_routing_entry>;
type MshvRoutingEntry = RoutingEntry<mshv_msi_routing_entry>;
pub type MshvMsiInterruptManager = MsiInterruptManager<mshv_msi_routing_entry>;
@ -454,29 +450,6 @@ pub mod mshv {
))
}
}
impl MsiInterruptGroupOps<mshv_msi_routing_entry> for MshvMsiInterruptGroup {
fn set_gsi_routes(
&self,
routes: &HashMap<u32, RoutingEntry<mshv_msi_routing_entry>>,
) -> Result<()> {
let mut entry_vec: Vec<mshv_msi_routing_entry> = Vec::new();
for (_, entry) in routes.iter() {
if entry.masked {
continue;
}
entry_vec.push(entry.route);
}
self.vm.set_gsi_routing(&entry_vec).map_err(|e| {
io::Error::new(
io::ErrorKind::Other,
format!("Failed setting GSI routing: {}", e),
)
})
}
}
}
#[cfg(target_arch = "aarch64")]