From 7ad68d499aab903790477a77afd035a0bac5c968 Mon Sep 17 00:00:00 2001
From: Rob Bradford <robert.bradford@intel.com>
Date: Wed, 27 Nov 2019 15:25:55 +0000
Subject: [PATCH] vmm: device_manager: Allocate I/O port for ACPI shutdown
 device

The refactoring in ce1765c8af033bfa7d08a7bf27ac6b560f06d435 dropped the
code to allocate the I/O port.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
---
 vmm/src/device_manager.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/vmm/src/device_manager.rs b/vmm/src/device_manager.rs
index dec41e04e..eccacc14d 100644
--- a/vmm/src/device_manager.rs
+++ b/vmm/src/device_manager.rs
@@ -669,6 +669,13 @@ impl DeviceManager {
                 exit_evt, reset_evt,
             )));
 
+            address_manager
+                .allocator
+                .lock()
+                .unwrap()
+                .allocate_io_addresses(Some(GuestAddress(0x3c0)), 0x8, None)
+                .ok_or(DeviceManagerError::AllocateIOPort)?;
+
             address_manager
                 .io_bus
                 .insert(acpi_device.clone(), 0x3c0, 0x4)