KVM_FFA_MBOX_NR_PAGES
return (2 * KVM_FFA_MBOX_NR_PAGES) + DIV_ROUND_UP(desc_max, PAGE_SIZE);
if (npages != (KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE) / FFA_PAGE_SIZE) {
if (fraglen > KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE)
fraglen > KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE) {
fraglen > KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE) {
if (copy_sz > KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE) {
pages += KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE;
pages += KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE;
(hyp_ffa_proxy_pages() - (2 * KVM_FFA_MBOX_NR_PAGES)),