Ejemplos de get_level_index en C++ (Cpp)

Ejemplo n.º 1

Archivo: renderer_wrapper.cpp Proyecto: sgowen/insectoid-defense

JNIEXPORT int JNICALL Java_com_technegames_insectoiddefense_RendererWrapper_get_1level_1index(JNIEnv* env, jclass cls)
{
	UNUSED(env);
	UNUSED(cls);

	return get_level_index();
}

Ejemplo n.º 2

Archivo: utils.c Proyecto: 0day-ci/xen

void print_vtd_entries(struct iommu *iommu, int bus, int devfn, u64 gmfn)
{
    struct context_entry *ctxt_entry;
    struct root_entry *root_entry;
    struct dma_pte pte;
    u64 *l, val;
    u32 l_index, level;

    printk("print_vtd_entries: iommu %p dev %04x:%02x:%02x.%u gmfn %"PRIx64"\n",
           iommu, iommu->intel->drhd->segment, bus,
           PCI_SLOT(devfn), PCI_FUNC(devfn), gmfn);

    if ( iommu->root_maddr == 0 )
    {
        printk("    iommu->root_maddr = 0\n");
        return;
    }

    root_entry = (struct root_entry *)map_vtd_domain_page(iommu->root_maddr);
    if ( root_entry == NULL )
    {
        printk("    root_entry == NULL\n");
        return;
    }

    printk("    root_entry = %p\n", root_entry);
    printk("    root_entry[%x] = %"PRIx64"\n", bus, root_entry[bus].val);
    if ( !root_present(root_entry[bus]) )
    {
        unmap_vtd_domain_page(root_entry);
        printk("    root_entry[%x] not present\n", bus);
        return;
    }

    val = root_entry[bus].val;
    unmap_vtd_domain_page(root_entry);
    ctxt_entry = map_vtd_domain_page(val);
    if ( ctxt_entry == NULL )
    {
        printk("    ctxt_entry == NULL\n");
        return;
    }

    printk("    context = %p\n", ctxt_entry);
    val = ctxt_entry[devfn].lo;
    printk("    context[%x] = %"PRIx64"_%"PRIx64"\n",
           devfn, ctxt_entry[devfn].hi, val);
    if ( !context_present(ctxt_entry[devfn]) )
    {
        unmap_vtd_domain_page(ctxt_entry);
        printk("    ctxt_entry[%x] not present\n", devfn);
        return;
    }

    level = agaw_to_level(context_address_width(ctxt_entry[devfn]));
    unmap_vtd_domain_page(ctxt_entry);
    if ( level != VTD_PAGE_TABLE_LEVEL_3 &&
         level != VTD_PAGE_TABLE_LEVEL_4)
    {
        printk("Unsupported VTD page table level (%d)!\n", level);
        return;
    }

    do
    {
        l = map_vtd_domain_page(val);
        printk("    l%d = %p\n", level, l);
        if ( l == NULL )
        {
            printk("    l%d == NULL\n", level);
            break;
        }
        l_index = get_level_index(gmfn, level);
        printk("    l%d_index = %x\n", level, l_index);

        pte.val = l[l_index];
        unmap_vtd_domain_page(l);
        printk("    l%d[%x] = %"PRIx64"\n", level, l_index, pte.val);

        if ( !dma_pte_present(pte) )
        {
            printk("    l%d[%x] not present\n", level, l_index);
            break;
        }
        if ( dma_pte_superpage(pte) )
            break;
        val = dma_pte_addr(pte);
    } while ( --level );
}