C++ (Cpp) runstate_guest Exemples

Exemple #1

Fichier : domain.c Projet : Marshalzxy/xen

/* Update per-VCPU guest runstate shared memory area (if registered). */
static void update_runstate_area(struct vcpu *v)
{
    if ( guest_handle_is_null(runstate_guest(v)) )
        return;

    __copy_to_guest(runstate_guest(v), &v->runstate, 1);
}

Exemple #2

Fichier : domain.c Projet : Xilinx/xen

/* Update per-VCPU guest runstate shared memory area (if registered). */
static void update_runstate_area(struct vcpu *v)
{
    void __user *guest_handle = NULL;

    if ( guest_handle_is_null(runstate_guest(v)) )
        return;

    if ( VM_ASSIST(v->domain, runstate_update_flag) )
    {
        guest_handle = &v->runstate_guest.p->state_entry_time + 1;
        guest_handle--;
        v->runstate.state_entry_time |= XEN_RUNSTATE_UPDATE;
        __raw_copy_to_guest(guest_handle,
                            (void *)(&v->runstate.state_entry_time + 1) - 1, 1);
        smp_wmb();
    }

    __copy_to_guest(runstate_guest(v), &v->runstate, 1);

    if ( guest_handle )
    {
        v->runstate.state_entry_time &= ~XEN_RUNSTATE_UPDATE;
        smp_wmb();
        __raw_copy_to_guest(guest_handle,
                            (void *)(&v->runstate.state_entry_time + 1) - 1, 1);
    }
}