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vmm: Insert PCI device hotplug operation region on IO bus

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Through the BusDevice implementation from the DeviceManager, and by
inserting the DeviceManager on the IO bus for a specific IO port range,
the VMM now has the ability to handle PCI device hotplug.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2020-02-27 11:36:30 +01:00 committed by Rob Bradford
parent 65774e8a78
commit 0f1396acef
1 changed files with 22 additions and 2 deletions
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24
vmm/src/device_manager.rs
View File

@ -502,7 +502,7 @@ impl DeviceManager {
.map_err(DeviceManagerError::BusError)?;
let mut device_manager = DeviceManager {
address_manager,
address_manager: Arc::clone(&address_manager),
console: Arc::new(Console::default()),
ioapic: Some(ioapic),
_mmap_regions,
@ -543,7 +543,27 @@ impl DeviceManager {
device_manager.virtio_devices = virtio_devices;
Ok(Arc::new(Mutex::new(device_manager)))
let device_manager = Arc::new(Mutex::new(device_manager));
#[cfg(feature = "acpi")]
address_manager
.allocator
.lock()
.unwrap()
.allocate_io_addresses(Some(GuestAddress(0xae00)), 0x10, None)
.ok_or(DeviceManagerError::AllocateIOPort)?;
#[cfg(feature = "acpi")]
address_manager
.io_bus
.insert(
Arc::clone(&device_manager) as Arc<Mutex<dyn BusDevice>>,
0xae00,
0x10,
)
.map_err(DeviceManagerError::BusError)?;
Ok(device_manager)
}
#[allow(unused_variables)]