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devices: serial: Expect an identifier upon device creation

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This identifier is chosen from the DeviceManager so that it will manage
all identifiers across the VM, which will ensure uniqueness.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf
2020-04-28 19:11:56 +02:00
committed by Rob Bradford
parent 06487131f9
commit 9ab4bb1ae2
2 changed files with 35 additions and 23 deletions
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4
vmm/src/device_manager.rs
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@@ -73,6 +73,7 @@ const MMIO_LEN: u64 = 0x1000;
const VFIO_DEVICE_NAME_PREFIX: &str = "vfio";
const IOAPIC_DEVICE_NAME: &str = "ioapic";
const SERIAL_DEVICE_NAME_PREFIX: &str = "serial";
const CONSOLE_DEVICE_NAME: &str = "console";
const DISK_DEVICE_NAME_PREFIX: &str = "disk";
@@ -1060,6 +1061,8 @@ impl DeviceManager {
// Serial is tied to IRQ #4
let serial_irq = 4;
let id = String::from(SERIAL_DEVICE_NAME_PREFIX);
let interrupt_group = interrupt_manager
.create_group(LegacyIrqGroupConfig {
irq: serial_irq as InterruptIndex,
@@ -1067,6 +1070,7 @@ impl DeviceManager {
.map_err(DeviceManagerError::CreateInterruptGroup)?;
let serial = Arc::new(Mutex::new(devices::legacy::Serial::new(
id,
interrupt_group,
serial_writer,
)));