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hypervisor: drop create_device from Vm trait

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This then avoids the need for creating a generic DeviceFd type in the
hypervisor crate.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu
2022-07-20 15:11:27 +00:00
committed by Liu Wei
parent 500d91311f
commit 422bf89d4d
3 changed files with 28 additions and 26 deletions
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25
hypervisor/src/kvm/mod.rs
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@@ -314,6 +314,20 @@ pub struct KvmVm {
dirty_log_slots: Arc<RwLock<HashMap<u32, KvmDirtyLogSlot>>>,
}
impl KvmVm {
///
/// Creates an emulated device in the kernel.
///
/// See the documentation for `KVM_CREATE_DEVICE`.
fn create_device(&self, device: &mut CreateDevice) -> vm::Result<Arc<dyn device::Device>> {
let device_fd = self
.fd
.create_device(device)
.map_err(|e| vm::HypervisorVmError::CreateDevice(e.into()))?;
Ok(Arc::new(device_fd))
}
}
///
/// Implementation of Vm trait for KVM
/// Example:
@@ -616,17 +630,6 @@ impl vm::Vm for KvmVm {
}
}
///
/// Creates an emulated device in the kernel.
///
/// See the documentation for `KVM_CREATE_DEVICE`.
fn create_device(&self, device: &mut CreateDevice) -> vm::Result<Arc<dyn device::Device>> {
let device_fd = self
.fd
.create_device(device)
.map_err(|e| vm::HypervisorVmError::CreateDevice(e.into()))?;
Ok(Arc::new(device_fd))
}
///
/// Returns the preferred CPU target type which can be emulated by KVM on underlying host.
///
#[cfg(target_arch = "aarch64")]