C++ (Cpp) p2m_is_readonly Exemples

Exemple #1

Fichier : debug.c Projet : Jeongseob/xen-coboost-sched

/* Returns: mfn for the given (hvm guest) vaddr */
static unsigned long 
dbg_hvm_va2mfn(dbgva_t vaddr, struct domain *dp, int toaddr,
                unsigned long *gfn)
{
    unsigned long mfn;
    uint32_t pfec = PFEC_page_present;
    p2m_type_t gfntype;

    DBGP2("vaddr:%lx domid:%d\n", vaddr, dp->domain_id);

    *gfn = paging_gva_to_gfn(dp->vcpu[0], vaddr, &pfec);
    if ( *gfn == INVALID_GFN )
    {
        DBGP2("kdb:bad gfn from gva_to_gfn\n");
        return INVALID_MFN;
    }

    mfn = mfn_x(get_gfn(dp, *gfn, &gfntype)); 
    if ( p2m_is_readonly(gfntype) && toaddr )
    {
        DBGP2("kdb:p2m_is_readonly: gfntype:%x\n", gfntype);
        return INVALID_MFN;
    }

    DBGP2("X: vaddr:%lx domid:%d mfn:%lx\n", vaddr, dp->domain_id, mfn);
    return mfn;
}

Exemple #2

Fichier : debug.c Projet : xen-project/xen

/* Returns: mfn for the given (hvm guest) vaddr */
static mfn_t
dbg_hvm_va2mfn(dbgva_t vaddr, struct domain *dp, int toaddr, gfn_t *gfn)
{
    mfn_t mfn;
    uint32_t pfec = PFEC_page_present;
    p2m_type_t gfntype;

    DBGP2("vaddr:%lx domid:%d\n", vaddr, dp->domain_id);

    *gfn = _gfn(paging_gva_to_gfn(dp->vcpu[0], vaddr, &pfec));
    if ( gfn_eq(*gfn, INVALID_GFN) )
    {
        DBGP2("kdb:bad gfn from gva_to_gfn\n");
        return INVALID_MFN;
    }

    mfn = get_gfn(dp, gfn_x(*gfn), &gfntype);
    if ( p2m_is_readonly(gfntype) && toaddr )
    {
        DBGP2("kdb:p2m_is_readonly: gfntype:%x\n", gfntype);
        mfn = INVALID_MFN;
    }
    else
        DBGP2("X: vaddr:%lx domid:%d mfn:%#"PRI_mfn"\n",
              vaddr, dp->domain_id, mfn_x(mfn));

    if ( mfn_eq(mfn, INVALID_MFN) )
    {
        put_gfn(dp, gfn_x(*gfn));
        *gfn = INVALID_GFN;
    }

    return mfn;
}