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vmm: device_manager: Add ability to notify via GED device

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Add ability to notify via the GED device that there is some new hotplug
activity. This will be used by the CpuManager (and later DeviceManager
itself) to notify of new hotplug activity.

Currently it has a hardcoded IRQ of 5 as the ACPI tables also need to
refer to this IRQ and the IRQ allocation does not permit the allocation
of specific IRQs.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2019-11-27 15:28:22 +00:00
parent 623755cc70
commit 791ca3388f
2 changed files with 78 additions and 22 deletions
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vmm/src/vm.rs
+1 -1
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@@ -54,7 +54,7 @@ use vm_memory::{
use vmm_sys_util::eventfd::EventFd;
use vmm_sys_util::terminal::Terminal;
const X86_64_IRQ_BASE: u32 = 5;
const X86_64_IRQ_BASE: u32 = 6;
// CPUID feature bits
const TSC_DEADLINE_TIMER_ECX_BIT: u8 = 24; // tsc deadline timer ecx bit.