guest_cpu_to_vrs()

Convert an error from a vCPU read or a vCPU write into a status value

Synopsis:

#include <qvm/vdev-core.h>

static enum vdev_ref_status guest_cpu_to_vrs(int const errcode)

Arguments:

errcode: A value returned by guest_cpu_read() or guest_cpu_write().

Description:

This function converts an error from a guest_cpu_read() or guest_cpu_write() function call into a vdev_ref_status value.

It is assumed that the returned value is an error.

Returns:

VRS_BUS_ERROR if errcode is -1; otherwise, VRS_ERRNO and the errcode value.