License header + cargo fmt

Signed-off-by: Ludvig Liljenberg <[email protected]>

Author: ludfjig

src/hyperlight_host/src/hypervisor/hyperlight_vm.rs

@@ -41,19 +41,18 @@ use crate::hypervisor::LinuxInterruptHandle;
 #[cfg(crashdump)]
 use crate::hypervisor::crashdump;
 use crate::hypervisor::regs::CommonSpecialRegisters;
-use crate::hypervisor::vm::HypervisorType;
 #[cfg(not(gdb))]
 use crate::hypervisor::vm::Vm;
-use crate::hypervisor::vm::get_available_hypervisor;
 #[cfg(kvm)]
 use crate::hypervisor::vm::kvm::KvmVm;
 #[cfg(mshv3)]
 use crate::hypervisor::vm::mshv::MshvVm;
 #[cfg(target_os = "windows")]
 use crate::hypervisor::vm::whp::WhpVm;
+use crate::hypervisor::vm::{HypervisorType, VmExit, get_available_hypervisor};
 #[cfg(target_os = "windows")]
 use crate::hypervisor::wrappers::HandleWrapper;
-use crate::hypervisor::{InterruptHandle, InterruptHandleImpl, get_max_log_level, vm::VmExit};
+use crate::hypervisor::{InterruptHandle, InterruptHandleImpl, get_max_log_level};
 use crate::mem::memory_region::{MemoryRegion, MemoryRegionFlags, MemoryRegionType};
 use crate::mem::mgr::SandboxMemoryManager;
 use crate::mem::ptr::{GuestPtr, RawPtr};

src/hyperlight_host/src/hypervisor/vm/kvm.rs

@@ -26,7 +26,7 @@ use tracing::{Span, instrument};
 #[cfg(gdb)]
 use crate::hypervisor::gdb::DebuggableVm;
 use crate::hypervisor::regs::{CommonFpu, CommonRegisters, CommonSpecialRegisters};
-use crate::hypervisor::vm::{VmExit, Vm};
+use crate::hypervisor::vm::{Vm, VmExit};
 use crate::mem::memory_region::MemoryRegion;
 use crate::{Result, new_error};
 
@@ -119,10 +119,7 @@ impl Vm for KvmVm {
                 // InterruptHandle::kill() sends a signal (SIGRTMIN+offset) to interrupt the vcpu, which causes EINTR
                 libc::EINTR => Ok(VmExit::Cancelled()),
                 libc::EAGAIN => Ok(VmExit::Retry()),
-                _ => Ok(VmExit::Unknown(format!(
-                    "Unknown KVM VCPU error: {}",
-                    e
-                ))),
+                _ => Ok(VmExit::Unknown(format!("Unknown KVM VCPU error: {}", e))),
             },
             Ok(other) => Ok(VmExit::Unknown(format!(
                 "Unknown KVM VCPU exit: {:?}",

src/hyperlight_host/src/hypervisor/vm/mod.rs

@@ -1,9 +1,27 @@
+/*
+Copyright 2025 The Hyperlight Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+use std::fmt::Debug;
+use std::sync::OnceLock;
+
 use tracing::{Span, instrument};
 
 use crate::Result;
 use crate::hypervisor::regs::{CommonFpu, CommonRegisters, CommonSpecialRegisters};
 use crate::mem::memory_region::MemoryRegion;
-use std::fmt::Debug;
 
 #[cfg(kvm)]
 /// Functionality to manipulate KVM-based virtual machines
@@ -14,8 +32,6 @@ pub(crate) mod mshv;
 #[cfg(target_os = "windows")]
 pub(crate) mod whp;
 
-use std::sync::OnceLock;
-
 static AVAILABLE_HYPERVISOR: OnceLock<Option<HypervisorType>> = OnceLock::new();
 
 /// Returns which type of hypervisor is available, if any

src/hyperlight_host/src/hypervisor/vm/mshv.rs

@@ -34,7 +34,7 @@ use tracing::{Span, instrument};
 #[cfg(gdb)]
 use crate::hypervisor::gdb::DebuggableVm;
 use crate::hypervisor::regs::{CommonFpu, CommonRegisters, CommonSpecialRegisters};
-use crate::hypervisor::vm::{VmExit, Vm};
+use crate::hypervisor::vm::{Vm, VmExit};
 use crate::mem::memory_region::{MemoryRegion, MemoryRegionFlags};
 use crate::{Result, new_error};
 

src/hyperlight_host/src/hypervisor/vm/whp.rs

@@ -31,7 +31,7 @@ use crate::hypervisor::regs::{
 };
 use crate::hypervisor::surrogate_process::SurrogateProcess;
 use crate::hypervisor::surrogate_process_manager::get_surrogate_process_manager;
-use crate::hypervisor::vm::{VmExit, Vm};
+use crate::hypervisor::vm::{Vm, VmExit};
 use crate::hypervisor::wrappers::HandleWrapper;
 use crate::mem::memory_region::{MemoryRegion, MemoryRegionFlags};
 use crate::{Result, log_then_return, new_error};