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vmm: device_manager: Make add_virtio_mmio_device a method

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Remove some in/out parameters and instead rely on them as members of the
&mut self parameter.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2020-01-29 15:53:12 +00:00
parent 2987476e0a
commit aaa5e2e9ea
1 changed files with 8 additions and 11 deletions
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19
vmm/src/device_manager.rs
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@ -650,15 +650,12 @@ impl DeviceManager {
.unwrap()
.allocate_mmio_addresses(None, MMIO_LEN, Some(MMIO_LEN));
if let Some(addr) = mmio_addr {
DeviceManager::add_virtio_mmio_device(
self.add_virtio_mmio_device(
device,
vm_info.memory,
&self.address_manager,
vm_info.vm_fd,
interrupt_manager,
addr,
&mut self.cmdline_additions,
&mut self.migratable_devices,
)?;
} else {
error!("Unable to allocate MMIO address!");
@ -1544,14 +1541,12 @@ impl DeviceManager {
#[allow(clippy::too_many_arguments)]
#[cfg(feature = "mmio_support")]
fn add_virtio_mmio_device(
&mut self,
virtio_device: Arc<Mutex<dyn vm_virtio::VirtioDevice>>,
memory: &Arc<ArcSwap<GuestMemoryMmap>>,
address_manager: &Arc<AddressManager>,
vm_fd: &Arc<VmFd>,
interrupt_manager: &Arc<dyn InterruptManager>,
mmio_base: GuestAddress,
cmdline_additions: &mut Vec<String>,
migratable_devices: &mut Vec<Arc<Mutex<dyn Migratable>>>,
) -> DeviceManagerResult<()> {
let mut mmio_device = vm_virtio::transport::MmioDevice::new(memory.clone(), virtio_device)
.map_err(DeviceManagerError::VirtioDevice)?;
@ -1563,7 +1558,8 @@ impl DeviceManager {
.map_err(DeviceManagerError::RegisterIoevent)?;
}
let irq_num = address_manager
let irq_num = self
.address_manager
.allocator
.lock()
.unwrap()
@ -1577,19 +1573,20 @@ impl DeviceManager {
mmio_device.assign_interrupt(interrupt_group);
let mmio_device_arc = Arc::new(Mutex::new(mmio_device));
address_manager
self.address_manager
.mmio_bus
.insert(mmio_device_arc.clone(), mmio_base.0, MMIO_LEN)
.map_err(DeviceManagerError::BusError)?;
cmdline_additions.push(format!(
self.cmdline_additions.push(format!(
"virtio_mmio.device={}K@0x{:08x}:{}",
MMIO_LEN / 1024,
mmio_base.0,
irq_num
));
migratable_devices.push(Arc::clone(&mmio_device_arc) as Arc<Mutex<dyn Migratable>>);
self.migratable_devices
.push(Arc::clone(&mmio_device_arc) as Arc<Mutex<dyn Migratable>>);
Ok(())
}