diff --git a/docs/pvevent.txt b/docs/pvevent.txt new file mode 100644 index 0000000..749b87c --- /dev/null +++ b/docs/pvevent.txt @@ -0,0 +1,16 @@ +PVEVENT DEVICE +============== + +pvevent device is a simulated ISA device, through which guest panic +event is sent to qemu, and an qmp event is generated. This allows +management apps(e.g. libvirt) to be notified and respond to the +event. + +pvevent device is defined with HID "MSFT0001". + +To use it, one will have to: + +1. add the device by specifying `-device pv-event' in the qemu command + line. + +2. load pvevent device driver in guest OS.