ACRN_IO_REQUEST_MAX
DECLARE_BITMAP(ioreqs_map, ACRN_IO_REQUEST_MAX);
for_each_set_bit(vcpu, client->ioreqs_map, ACRN_IO_REQUEST_MAX)
return !bitmap_empty(client->ioreqs_map, ACRN_IO_REQUEST_MAX);
struct acrn_io_request req_slot[ACRN_IO_REQUEST_MAX];