diff --git a/docs/misc/hvmlite.markdown b/docs/misc/hvmlite.markdown index 09051ee2f0..946908ee6e 100644 --- a/docs/misc/hvmlite.markdown +++ b/docs/misc/hvmlite.markdown @@ -64,3 +64,14 @@ The following VCPU hypercalls can be used in order to bring up secondary vCPUs: * `VCPUOP_down` is used to bring down a vCPU. * `VCPUOP_is_up` is used to scan the number of available vCPUs. + +## Hardware description ## + +PVHv2 guests that have access to hardware (either emulated or real) will also +have ACPI tables with the description of the hardware that's available to the +guest. This applies to both privileged and unprivileged guests. A hint of +the position of the RSDP in memory (if present) can be fetched from the start +info structure that's passed at boot time (field rsdp_paddr). + +Description of paravirtualized devices will come from XenStore, just as it's +done for HVM guests.