Division of Hardware Management Responsibilities

The following table shows which aspects of hardware management are handled by the hypervisor and by the root partition and (optionally) other partitions.

Software component	Hardware facility
Hypervisor	Logical processors (scheduling) Local APICs (interrupt routing) Constant-rate system counter (for example, PM timer) System physical address space (access to RAM and device memory) I/O space MSR space
Root partition	Processor power management System power management Memory and processor hot-add and removal Device hot-add and removal PCI, PCIe and PCIx configuration space Devices connected directly to a PCIe bus or to a PCIe-attached peripheral bus

Software component

Hardware facility

Hypervisor

Logical processors (scheduling)

Local APICs (interrupt routing)

Constant-rate system counter (for example, PM timer)

System physical address space (access to RAM and device memory)

I/O space

MSR space

Root partition

Processor power management

System power management

Memory and processor hot-add and removal

Device hot-add and removal

PCI, PCIe and PCIx configuration space

Devices connected directly to a PCIe bus or to a PCIe-attached peripheral bus

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Build date: 11/16/2013