hv_tlb_flush_ex
struct hv_tlb_flush_ex *flush;
struct hv_tlb_flush_ex flush_ex;
static_assert(offsetof(struct hv_tlb_flush_ex, hv_vp_set.bank_contents) ==
offsetof(struct hv_tlb_flush_ex, gva_list));
struct hv_tlb_flush_ex *flush_ex = (struct hv_tlb_flush_ex *)data->hcall_gva;