fix: coding style for sev and kvm backend

Signed-off-by: Harald Hoyer <harald@profian.com>

src/backend/kvm/builder.rs

@@ -1,17 +1,19 @@
 // SPDX-License-Identifier: Apache-2.0
 
 use super::mem::Region;
-use crate::backend::kvm::KvmKeepPersonality;
+use super::KvmKeepPersonality;
+
+use std::convert::TryFrom;
+use std::mem::size_of;
+use std::sync::{Arc, RwLock};
+
 use anyhow::{Error, Result};
 use kvm_bindings::bindings::kvm_userspace_memory_region;
 use kvm_bindings::fam_wrappers::KVM_MAX_CPUID_ENTRIES;
 use kvm_ioctls::{Kvm, VcpuFd, VmFd};
 use mmarinus::{perms, Map};
 use sallyport::elf::pf::kvm::SALLYPORT;
 use sallyport::Block;
-use std::convert::TryFrom;
-use std::mem::size_of;
-use std::sync::{Arc, RwLock};
 use x86_64::VirtAddr;
 
 pub struct Builder {

src/backend/kvm/data.rs

@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: Apache-2.0
 
 use crate::backend::Datum;
+
 use kvm_ioctls::Kvm;
 
 pub fn dev_kvm() -> Datum {

src/backend/kvm/mod.rs

@@ -1,15 +1,18 @@
 // SPDX-License-Identifier: Apache-2.0
 
+pub use kvm_bindings::kvm_userspace_memory_region as KvmUserspaceMemoryRegion;
+
 use super::Loader;
-use crate::backend::kvm::data::{dev_kvm, kvm_version};
-use crate::backend::kvm::mem::Region;
+use data::{dev_kvm, kvm_version};
+use mem::Region;
+
+use std::sync::Arc;
+
 use anyhow::Result;
 use kvm_bindings::bindings::kvm_userspace_memory_region;
-pub use kvm_bindings::kvm_userspace_memory_region as KvmUserspaceMemoryRegion;
 use kvm_ioctls::Kvm;
 use kvm_ioctls::{VcpuFd, VmFd};
 use mmarinus::{perms, Map};
-use std::sync::Arc;
 use x86_64::VirtAddr;
 
 pub mod builder;

src/backend/kvm/thread.rs

@@ -1,10 +1,10 @@
 // SPDX-License-Identifier: Apache-2.0
 
 use super::super::Command;
+use super::KeepPersonality;
 
 use std::sync::{Arc, RwLock};
 
-use crate::backend::kvm::KeepPersonality;
 use anyhow::{anyhow, Result};
 use kvm_ioctls::{VcpuExit, VcpuFd};
 use mmarinus::{perms, Kind, Map};

src/backend/sev/builder.rs

@@ -1,12 +1,13 @@
 // SPDX-License-Identifier: Apache-2.0
 
+use super::cpuid_page::CpuidPage;
+use super::SnpKeepPersonality;
+use crate::backend::kvm::builder::kvm_try_from_builder;
+use crate::backend::kvm::mem::Region;
+
 use std::convert::TryFrom;
 use std::sync::{Arc, RwLock};
 
-use super::cpuid_page::CpuidPage;
-use super::mem::Region;
-use crate::backend::kvm::builder::kvm_try_from_builder;
-use crate::backend::sev::SnpKeepPersonality;
 use anyhow::Context;
 use anyhow::{Error, Result};
 use kvm_ioctls::{Kvm, VmFd};

src/backend/sev/cpuid_page.rs

@@ -3,13 +3,14 @@
 //! FIXME
 
 use const_default::ConstDefault;
-use core::mem::size_of;
 
 use core::fmt::{Debug, Formatter};
+use core::mem::size_of;
+use std::fmt::Display;
+
 use kvm_bindings::bindings::KVM_CPUID_FLAG_SIGNIFCANT_INDEX;
 use kvm_bindings::fam_wrappers::KVM_MAX_CPUID_ENTRIES;
 use kvm_ioctls::Kvm;
-use std::fmt::Display;
 
 const COUNT_MAX: usize = 64;
 

src/backend/sev/data.rs

@@ -1,14 +1,15 @@
 // SPDX-License-Identifier: Apache-2.0
 
+pub use crate::backend::kvm::data::{dev_kvm, kvm_version};
+
 use crate::backend::probe::x86_64::{CpuId, Vendor};
 use crate::backend::Datum;
+
 use std::arch::x86_64::__cpuid_count;
 use std::fs::OpenOptions;
 use std::mem::{transmute, MaybeUninit};
 use std::str::from_utf8;
 
-pub use super::super::kvm::data::{dev_kvm, kvm_version};
-
 pub fn has_reasonable_memlock_rlimit() -> Datum {
     let mut rlimits = MaybeUninit::uninit();
     let res = unsafe { libc::getrlimit(libc::RLIMIT_MEMLOCK, rlimits.as_mut_ptr()) };

src/backend/sev/mod.rs

@@ -1,8 +1,11 @@
 // SPDX-License-Identifier: Apache-2.0
 
-use super::kvm::{mem, Keep, KeepPersonality};
-use super::sev::mem::Region;
+use super::kvm::mem::Region;
+use super::kvm::{Keep, KeepPersonality};
 use super::Loader;
+
+use std::sync::Arc;
+
 use anyhow::Result;
 use data::{
     dev_kvm, dev_sev, dev_sev_readable, dev_sev_writable, has_reasonable_memlock_rlimit,
@@ -11,7 +14,6 @@ use data::{
 use kvm_ioctls::VmFd;
 use sev::firmware::Firmware;
 use sev::launch::linux::ioctl::KvmEncRegion;
-use std::sync::Arc;
 
 mod builder;
 mod cpuid_page;