Ejemplos de vmx_inject_extint en C++ (Cpp)

Ejemplo n.º 1

Archivo: intr.c Proyecto: fdario/xen

static int nvmx_intr_intercept(struct vcpu *v, struct hvm_intack intack)
{
    u32 ctrl;

    /* If blocked by L1's tpr, then nothing to do. */
    if ( nestedhvm_vcpu_in_guestmode(v) &&
         hvm_interrupt_blocked(v, intack) == hvm_intblk_tpr )
        return 1;

    if ( nvmx_intr_blocked(v) != hvm_intblk_none )
    {
        vmx_enable_intr_window(v, intack);
        return 1;
    }

    if ( nestedhvm_vcpu_in_guestmode(v) )
    {
        ctrl = get_vvmcs(v, PIN_BASED_VM_EXEC_CONTROL);
        if ( !(ctrl & PIN_BASED_EXT_INTR_MASK) )
            return 0;

        if ( intack.source == hvm_intsrc_pic ||
                 intack.source == hvm_intsrc_lapic )
        {
            vmx_inject_extint(intack.vector, intack.source);

            ctrl = get_vvmcs(v, VM_EXIT_CONTROLS);
            if ( ctrl & VM_EXIT_ACK_INTR_ON_EXIT )
            {
                /* for now, duplicate the ack path in vmx_intr_assist */
                hvm_vcpu_ack_pending_irq(v, intack);
                pt_intr_post(v, intack);

                intack = hvm_vcpu_has_pending_irq(v);
                if ( unlikely(intack.source != hvm_intsrc_none) )
                    vmx_enable_intr_window(v, intack);
            }
            else
                vmx_enable_intr_window(v, intack);

            return 1;
        }
        else if ( intack.source == hvm_intsrc_vector )
        {
            vmx_inject_extint(intack.vector, intack.source);
            return 1;
        }
    }

    return 0;
}

Ejemplo n.º 2

Archivo: intr.c Proyecto: Jeongseob/xen-coboost-sched

static int nvmx_intr_intercept(struct vcpu *v, struct hvm_intack intack)
{
    u32 ctrl;

    if ( nvmx_intr_blocked(v) != hvm_intblk_none )
    {
        enable_intr_window(v, intack);
        return 1;
    }

    if ( nestedhvm_vcpu_in_guestmode(v) )
    {
        if ( intack.source == hvm_intsrc_pic ||
                 intack.source == hvm_intsrc_lapic )
        {
            ctrl = __get_vvmcs(vcpu_nestedhvm(v).nv_vvmcx, PIN_BASED_VM_EXEC_CONTROL);
            if ( !(ctrl & PIN_BASED_EXT_INTR_MASK) )
                return 0;

            vmx_inject_extint(intack.vector);

            ctrl = __get_vvmcs(vcpu_nestedhvm(v).nv_vvmcx, VM_EXIT_CONTROLS);
            if ( ctrl & VM_EXIT_ACK_INTR_ON_EXIT )
            {
                /* for now, duplicate the ack path in vmx_intr_assist */
                hvm_vcpu_ack_pending_irq(v, intack);
                pt_intr_post(v, intack);

                intack = hvm_vcpu_has_pending_irq(v);
                if ( unlikely(intack.source != hvm_intsrc_none) )
                    enable_intr_window(v, intack);
            }
            else
                enable_intr_window(v, intack);

            return 1;
        }
    }

    return 0;
}