MAP
# define MAP(n) (((n) <= 1) ? (n) : ((n) == INFINITY) ? INF : N)
#define MAP(x, y) { ilog2(I915_ENGINE_##x), ilog2(I915_SCHEDULER_CAP_##y) }
#undef MAP
#define MAP(x, y) { I915_ENGINE_##x, I915_SCHEDULER_CAP_##y }
#undef MAP
} MAP;