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vmm: Move irq_routes creation to specific MSI use case

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When KvmInterruptManager initializes a new InterruptSourceGroup, it's
only for PCI_MSI_IRQ case that it needs to allocate the GSI and create a
new InterruptRoute. That's why this commit moves the general code into
the specific use case.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2020-01-20 11:37:05 +01:00 committed by Samuel Ortiz
parent d34f31fe7b
commit 2aabf58bf5
1 changed files with 14 additions and 13 deletions
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27
vmm/src/interrupt.rs
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@ -268,20 +268,21 @@ impl InterruptManager for KvmInterruptManager {
base: InterruptIndex,
count: InterruptIndex,
) -> Result<Arc<Box<dyn InterruptSourceGroup>>> {
let mut allocator = self.allocator.lock().unwrap();
let mut irq_routes: HashMap<InterruptIndex, InterruptRoute> =
HashMap::with_capacity(count as usize);
for i in base..base + count {
irq_routes.insert(i, InterruptRoute::new(&mut allocator)?);
}
let interrupt_source_group: Arc<Box<dyn InterruptSourceGroup>> = match interrupt_type {
PCI_MSI_IRQ => Arc::new(Box::new(MsiInterruptGroup::new(
self.vm_fd.clone(),
self.gsi_msi_routes.clone(),
irq_routes,
))),
PCI_MSI_IRQ => {
let mut allocator = self.allocator.lock().unwrap();
let mut irq_routes: HashMap<InterruptIndex, InterruptRoute> =
HashMap::with_capacity(count as usize);
for i in base..base + count {
irq_routes.insert(i, InterruptRoute::new(&mut allocator)?);
}
Arc::new(Box::new(MsiInterruptGroup::new(
self.vm_fd.clone(),
self.gsi_msi_routes.clone(),
irq_routes,
)))
}
_ => {
return Err(io::Error::new(
io::ErrorKind::Other,