misc: pci: drop extern crate, use modern rust

This commit is part of a series of similar commits.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com

pci/src/bus.rs

@@ -10,6 +10,7 @@ use std::ops::DerefMut;
 use std::sync::{Arc, Barrier, Mutex};
 
 use byteorder::{ByteOrder, LittleEndian};
+use log::error;
 use thiserror::Error;
 use vm_device::{Bus, BusDevice, BusDeviceSync};
 

pci/src/configuration.rs

@@ -7,6 +7,7 @@
 use std::sync::{Arc, Mutex};
 
 use byteorder::{ByteOrder, LittleEndian};
+use log::{info, warn};
 use serde::{Deserialize, Serialize};
 use thiserror::Error;
 use vm_device::PciBarType;

pci/src/lib.rs

@@ -5,8 +5,6 @@
 // SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 //! Implements pci devices and busses.
-#[macro_use]
-extern crate log;
 
 mod bus;
 mod configuration;

pci/src/msi.rs

@@ -7,6 +7,7 @@ use std::io;
 use std::sync::Arc;
 
 use byteorder::{ByteOrder, LittleEndian};
+use log::error;
 use serde::{Deserialize, Serialize};
 use thiserror::Error;
 use vm_device::interrupt::{

pci/src/msix.rs

@@ -7,6 +7,7 @@ use std::sync::Arc;
 use std::{io, result};
 
 use byteorder::{ByteOrder, LittleEndian};
+use log::{debug, error};
 use serde::{Deserialize, Serialize};
 use thiserror::Error;
 use vm_device::interrupt::{

pci/src/vfio.rs

@@ -15,6 +15,7 @@ use anyhow::anyhow;
 use byteorder::{ByteOrder, LittleEndian};
 use hypervisor::HypervisorVmError;
 use libc::{_SC_PAGESIZE, sysconf};
+use log::{error, info};
 use serde::{Deserialize, Serialize};
 use thiserror::Error;
 use vfio_bindings::bindings::vfio::*;

pci/src/vfio_user.rs

@@ -9,6 +9,7 @@ use std::os::unix::prelude::AsRawFd;
 use std::sync::{Arc, Barrier, Mutex};
 
 use hypervisor::HypervisorVmError;
+use log::{error, info};
 use thiserror::Error;
 use vfio_bindings::bindings::vfio::*;
 use vfio_ioctls::VfioIrq;