C++ (Cpp) domain_page_map_to_mfn 예제들

예제 #1

파일: vpmu.c 프로젝트: Fantu/Xen

static void pvpmu_finish(struct domain *d, xen_pmu_params_t *params)
{
    struct vcpu *v;
    struct vpmu_struct *vpmu;
    uint64_t mfn;
    void *xenpmu_data;

    if ( (params->vcpu >= d->max_vcpus) || (d->vcpu[params->vcpu] == NULL) )
        return;

    v = d->vcpu[params->vcpu];
    if ( v != current )
        vcpu_pause(v);

    vpmu = vcpu_vpmu(v);
    spin_lock(&vpmu->vpmu_lock);

    vpmu_destroy(v);
    xenpmu_data = vpmu->xenpmu_data;
    vpmu->xenpmu_data = NULL;

    spin_unlock(&vpmu->vpmu_lock);

    if ( xenpmu_data )
    {
        mfn = domain_page_map_to_mfn(xenpmu_data);
        ASSERT(mfn_valid(mfn));
        unmap_domain_page_global(xenpmu_data);
        put_page_and_type(mfn_to_page(mfn));
    }

    if ( v != current )
        vcpu_unpause(v);
}

예제 #2

파일: viridian.c 프로젝트: djs55/xen

static void teardown_apic_assist(struct vcpu *v)
{
    void *va = v->arch.hvm_vcpu.viridian.apic_assist.va;
    struct page_info *page;

    if ( !va )
        return;

    v->arch.hvm_vcpu.viridian.apic_assist.va = NULL;

    page = mfn_to_page(domain_page_map_to_mfn(va));

    unmap_domain_page_global(va);
    put_page_and_type(page);
}