perf/x86/intel/uncore: Add Sapphire Rapids server MDF support

The MDF subsystem is a new IP built to support the new Intel Xeon
architecture that bridges multiple dies with a embedded bridge system.

The layout of the control registers for a MDF uncore unit is similar to
a IRP uncore unit.

Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Link: https://lore.kernel.org/r/1625087320-194204-12-git-send-email-kan.liang@linux.intel.com

diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index 14b9b23..1b9ab8e 100644 (file)
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -5708,6 +5708,11 @@ static struct intel_uncore_type spr_uncore_m3upi = {
        .name                   = "m3upi",
 };
 
+static struct intel_uncore_type spr_uncore_mdf = {
+       SPR_UNCORE_COMMON_FORMAT(),
+       .name                   = "mdf",
+};
+
 #define UNCORE_SPR_NUM_UNCORE_TYPES            12
 
 static struct intel_uncore_type *spr_uncores[UNCORE_SPR_NUM_UNCORE_TYPES] = {
@@ -5722,7 +5727,7 @@ static struct intel_uncore_type *spr_uncores[UNCORE_SPR_NUM_UNCORE_TYPES] = {
        &spr_uncore_upi,
        &spr_uncore_m3upi,
        NULL,
-       NULL,
+       &spr_uncore_mdf,
 };
 
 static void uncore_type_customized_copy(struct intel_uncore_type *to_type,