perf/x86/intel/uncore: Introduce UPI topology type

This patch introduces new 'uncore_upi_topology' topology type to support
UPI topology discovery.

Signed-off-by: Alexander Antonov <alexander.antonov@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Link: https://lore.kernel.org/r/20221117122833.3103580-3-alexander.antonov@linux.intel.com

Author: Alexander Antonov

arch/x86/events/intel/uncore.h

@@ -183,11 +183,18 @@ struct uncore_iio_topology {
 	int segment;
 };
 
+struct uncore_upi_topology {
+	int die_to;
+	int pmu_idx_to;
+	int enabled;
+};
+
 struct intel_uncore_topology {
 	int pmu_idx;
 	union {
 		void *untyped;
 		struct uncore_iio_topology *iio;
+		struct uncore_upi_topology *upi;
 	};
 };
 

arch/x86/events/intel/uncore_snbep.c

@@ -3774,11 +3774,13 @@ static int die_to_cpu(int die)
 
 enum {
 	IIO_TOPOLOGY_TYPE,
+	UPI_TOPOLOGY_TYPE,
 	TOPOLOGY_MAX
 };
 
 static const size_t topology_size[TOPOLOGY_MAX] = {
-	sizeof(*((struct intel_uncore_topology *)NULL)->iio)
+	sizeof(*((struct intel_uncore_topology *)NULL)->iio),
+	sizeof(*((struct intel_uncore_topology *)NULL)->upi)
 };
 
 static int pmu_alloc_topology(struct intel_uncore_type *type, int topology_type)