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vmm: Add the required number of PCI segments

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The platform config may specify a number of PCI segments to use, if this
greater than 1 then we add supplemental PCI segments as well as the
default segment.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2021-10-11 15:55:35 +01:00
parent f8d9c073f0
commit e3d6e222a1
1 changed files with 18 additions and 5 deletions
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23
vmm/src/device_manager.rs
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@ -948,6 +948,23 @@ impl DeviceManager {
let start_of_device_area = memory_manager.lock().unwrap().start_of_device_area().0;
let end_of_device_area = memory_manager.lock().unwrap().end_of_device_area().0;
let mut pci_segments = vec![PciSegment::new_default_segment(
&address_manager,
start_of_device_area,
end_of_device_area,
)?];
if let Some(platform_config) = config.lock().unwrap().platform.as_ref() {
for i in 1..platform_config.num_pci_segments {
pci_segments.push(PciSegment::new(
i as u16,
&address_manager,
start_of_device_area,
end_of_device_area,
)?);
}
}
let device_manager = DeviceManager {
address_manager: Arc::clone(&address_manager),
console: Arc::new(Console::default()),
@ -966,11 +983,7 @@ impl DeviceManager {
vfio_container: None,
iommu_device: None,
iommu_attached_devices: None,
pci_segments: vec![PciSegment::new_default_segment(
&address_manager,
start_of_device_area,
end_of_device_area,
)?],
pci_segments,
device_tree,
exit_evt: exit_evt.try_clone().map_err(DeviceManagerError::EventFd)?,
reset_evt: reset_evt.try_clone().map_err(DeviceManagerError::EventFd)?,