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vmm: Add support for adding network devices to the VM

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The persistent memory will be hotplugged via DeviceManager and saved in
the config for later use.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2020-03-23 16:20:57 +00:00 committed by Sebastien Boeuf
parent 8f323e61d8
commit f664cddec9
1 changed files with 34 additions and 1 deletions
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35
vmm/src/vm.rs
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@ -26,7 +26,7 @@ extern crate vm_allocator;
extern crate vm_memory;
extern crate vm_virtio;
use crate::config::{DeviceConfig, DiskConfig, HotplugMethod, PmemConfig, VmConfig};
use crate::config::{DeviceConfig, DiskConfig, HotplugMethod, NetConfig, PmemConfig, VmConfig};
use crate::cpu;
use crate::device_manager::{get_win_size, Console, DeviceManager, DeviceManagerError};
use crate::memory_manager::{get_host_cpu_phys_bits, Error as MemoryManagerError, MemoryManager};
@ -720,6 +720,39 @@ impl Vm {
}
}
pub fn add_net(&mut self, mut _net_cfg: NetConfig) -> Result<()> {
if cfg!(feature = "pci_support") {
#[cfg(feature = "pci_support")]
{
self.device_manager
.lock()
.unwrap()
.add_net(&mut _net_cfg)
.map_err(Error::DeviceManager)?;
// Update VmConfig by adding the new device. This is important to
// ensure the device would be created in case of a reboot.
{
let mut config = self.config.lock().unwrap();
if let Some(net) = config.net.as_mut() {
net.push(_net_cfg);
} else {
config.net = Some(vec![_net_cfg]);
}
}
self.device_manager
.lock()
.unwrap()
.notify_hotplug(HotPlugNotificationFlags::PCI_DEVICES_CHANGED)
.map_err(Error::DeviceManager)?;
}
Ok(())
} else {
Err(Error::NoPciSupport)
}
}
fn os_signal_handler(signals: Signals, console_input_clone: Arc<Console>, on_tty: bool) {
for signal in signals.forever() {
match signal {