ext "X-Resource"

struct ResClientIdSpec {
    client: u32,
    mask: u32,
}

struct ResClientIdValue {
    spec: ResClientIdSpec,
    length: u32 = mul(len(value), literal(4)),
    value: list(u32, div(field(length), literal(4))),
}

request ResQueryClientIds = 4 (
    num_specs: u32 = len(specs),
    specs: list(ResClientIdSpec, field(num_specs)),
) {
    @pad 1,
    num_ids: u32 = len(ids),
    @pad 20,
    ids: list(ResClientIdValue, field(num_ids)),
}