diff options
Diffstat (limited to 'arch/src/lib.rs')
-rw-r--r-- | arch/src/lib.rs | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/arch/src/lib.rs b/arch/src/lib.rs index 33259de..ab08c21 100644 --- a/arch/src/lib.rs +++ b/arch/src/lib.rs @@ -15,6 +15,7 @@ use std::os::unix::io::AsRawFd; use std::path::PathBuf; use std::sync::Arc; +use devices::split_irqchip_common::GsiRelay; use devices::virtio::VirtioDevice; use devices::{ Bus, BusDevice, BusError, PciDevice, PciDeviceError, PciInterruptPin, PciRoot, ProxyDevice, @@ -25,6 +26,7 @@ use kvm::{IoeventAddress, Kvm, Vcpu, Vm}; use resources::SystemAllocator; use sync::Mutex; use sys_util::{syslog, EventFd, GuestAddress, GuestMemory, GuestMemoryError}; +use vm_control::VmIrqRequestSocket; pub enum VmImage { Kernel(File), @@ -60,9 +62,12 @@ pub struct RunnableLinuxVm { pub vcpus: Vec<Vcpu>, pub vcpu_affinity: Vec<usize>, pub irq_chip: Option<File>, + pub split_irqchip: Option<(Arc<Mutex<devices::Pic>>, Arc<Mutex<devices::Ioapic>>)>, + pub gsi_relay: Option<Arc<GsiRelay>>, pub io_bus: Bus, pub mmio_bus: Bus, pub pid_debug_label_map: BTreeMap<u32, String>, + pub suspend_evt: EventFd, } /// The device and optional jail. @@ -87,6 +92,7 @@ pub trait LinuxArch { fn build_vm<F, E>( components: VmComponents, split_irqchip: bool, + ioapic_device_socket: VmIrqRequestSocket, serial_parameters: &BTreeMap<u8, SerialParameters>, serial_jail: Option<Minijail>, create_devices: F, @@ -114,6 +120,8 @@ pub enum DeviceRegistrationError { CreatePipe(sys_util::Error), // Unable to create serial device from serial parameters CreateSerialDevice(devices::SerialError), + /// Could not clone an event fd. + EventFdClone(sys_util::Error), /// Could not create an event fd. EventFdCreate(sys_util::Error), /// Could not add a device to the mmio bus. @@ -145,6 +153,7 @@ impl Display for DeviceRegistrationError { CreatePipe(e) => write!(f, "failed to create pipe: {}", e), CreateSerialDevice(e) => write!(f, "failed to create serial device: {}", e), Cmdline(e) => write!(f, "unable to add device to kernel command line: {}", e), + EventFdClone(e) => write!(f, "failed to clone eventfd: {}", e), EventFdCreate(e) => write!(f, "failed to create eventfd: {}", e), MmioInsert(e) => write!(f, "failed to add to mmio bus: {}", e), RegisterIoevent(e) => write!(f, "failed to register ioevent to VM: {}", e), @@ -162,6 +171,7 @@ impl Display for DeviceRegistrationError { /// Creates a root PCI device for use by this Vm. pub fn generate_pci_root( devices: Vec<(Box<dyn PciDevice>, Option<Minijail>)>, + gsi_relay: &mut Option<GsiRelay>, mmio_bus: &mut Bus, resources: &mut SystemAllocator, vm: &mut Vm, @@ -189,8 +199,20 @@ pub fn generate_pci_root( 3 => PciInterruptPin::IntD, _ => unreachable!(), // Obviously not possible, but the compiler is not smart enough. }; - vm.register_irqfd_resample(&irqfd, &irq_resample_fd, irq_num) - .map_err(DeviceRegistrationError::RegisterIrqfd)?; + if let Some(relay) = gsi_relay { + relay.register_irqfd_resample( + irqfd + .try_clone() + .map_err(DeviceRegistrationError::EventFdClone)?, + irq_resample_fd + .try_clone() + .map_err(DeviceRegistrationError::EventFdClone)?, + irq_num as usize, + ); + } else { + vm.register_irqfd_resample(&irqfd, &irq_resample_fd, irq_num) + .map_err(DeviceRegistrationError::RegisterIrqfd)?; + } keep_fds.push(irqfd.as_raw_fd()); keep_fds.push(irq_resample_fd.as_raw_fd()); device.assign_irq(irqfd, irq_resample_fd, irq_num, pci_irq_pin); |