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vmm: Allow specifying the PCI segment ID when adding virtio PCI device

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Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2021-10-08 14:47:35 +01:00
parent 7a4606f800
commit e3c35a3579
1 changed files with 11 additions and 11 deletions
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22
vmm/src/device_manager.rs
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@ -1176,7 +1176,7 @@ impl DeviceManager {
&None
};
let dev_id = self.add_virtio_pci_device(device, mapping, id)?;
let dev_id = self.add_virtio_pci_device(device, mapping, id, 0)?;
if iommu_attached {
iommu_attached_devices.push(dev_id);
@ -1190,7 +1190,7 @@ impl DeviceManager {
iommu_attached_devices.append(&mut vfio_user_iommu_device_ids);
if let Some(iommu_device) = iommu_device {
let dev_id = self.add_virtio_pci_device(iommu_device, &None, iommu_id)?;
let dev_id = self.add_virtio_pci_device(iommu_device, &None, iommu_id, 0)?;
self.iommu_attached_devices = Some((dev_id, iommu_attached_devices));
}
}
@ -3140,9 +3140,8 @@ impl DeviceManager {
virtio_device: VirtioDeviceArc,
iommu_mapping: &Option<Arc<IommuMapping>>,
virtio_device_id: String,
pci_segment_id: u16,
) -> DeviceManagerResult<u32> {
// TODO: Fill with PCI segment ID from config when available
let pci_segment_id: u16 = 0;
let id = format!("{}-{}", VIRTIO_PCI_DEVICE_NAME_PREFIX, virtio_device_id);
// Add the new virtio-pci node to the device tree.
@ -3617,6 +3616,7 @@ impl DeviceManager {
device: VirtioDeviceArc,
iommu_attached: bool,
id: String,
pci_segment_id: u16,
) -> DeviceManagerResult<PciDeviceInfo> {
if iommu_attached {
warn!("Placing device behind vIOMMU is not available for hotplugged devices");
@ -3628,37 +3628,37 @@ impl DeviceManager {
self.virtio_devices
.push((device.clone(), iommu_attached, id.clone()));
let device_id = self.add_virtio_pci_device(device, &None, id.clone())?;
let device_id = self.add_virtio_pci_device(device, &None, id.clone(), pci_segment_id)?;
// Update the PCIU bitmap
self.pci_segments[0].pci_devices_up |= 1 << (device_id >> 3);
self.pci_segments[pci_segment_id as usize].pci_devices_up |= 1 << (device_id >> 3);
Ok(PciDeviceInfo { id, bdf: device_id })
}
pub fn add_disk(&mut self, disk_cfg: &mut DiskConfig) -> DeviceManagerResult<PciDeviceInfo> {
let (device, iommu_attached, id) = self.make_virtio_block_device(disk_cfg)?;
self.hotplug_virtio_pci_device(device, iommu_attached, id)
self.hotplug_virtio_pci_device(device, iommu_attached, id, 0)
}
pub fn add_fs(&mut self, fs_cfg: &mut FsConfig) -> DeviceManagerResult<PciDeviceInfo> {
let (device, iommu_attached, id) = self.make_virtio_fs_device(fs_cfg)?;
self.hotplug_virtio_pci_device(device, iommu_attached, id)
self.hotplug_virtio_pci_device(device, iommu_attached, id, 0)
}
pub fn add_pmem(&mut self, pmem_cfg: &mut PmemConfig) -> DeviceManagerResult<PciDeviceInfo> {
let (device, iommu_attached, id) = self.make_virtio_pmem_device(pmem_cfg)?;
self.hotplug_virtio_pci_device(device, iommu_attached, id)
self.hotplug_virtio_pci_device(device, iommu_attached, id, 0)
}
pub fn add_net(&mut self, net_cfg: &mut NetConfig) -> DeviceManagerResult<PciDeviceInfo> {
let (device, iommu_attached, id) = self.make_virtio_net_device(net_cfg)?;
self.hotplug_virtio_pci_device(device, iommu_attached, id)
self.hotplug_virtio_pci_device(device, iommu_attached, id, 0)
}
pub fn add_vsock(&mut self, vsock_cfg: &mut VsockConfig) -> DeviceManagerResult<PciDeviceInfo> {
let (device, iommu_attached, id) = self.make_virtio_vsock_device(vsock_cfg)?;
self.hotplug_virtio_pci_device(device, iommu_attached, id)
self.hotplug_virtio_pci_device(device, iommu_attached, id, 0)
}
pub fn counters(&self) -> HashMap<String, HashMap<&'static str, Wrapping<u64>>> {