linux-kernel - [PATCH V4 05/16] perf/x86/intel/uncore: Add Sapphire Rapids server M2PCIe support

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Date:   Wed, 30 Jun 2021 14:08:29 -0700
From:   kan.liang@...ux.intel.com
To:     peterz@...radead.org, mingo@...hat.com, gregkh@...uxfoundation.org,
        acme@...nel.org, linux-kernel@...r.kernel.org
Cc:     eranian@...gle.com, namhyung@...nel.org, jolsa@...hat.com,
        ak@...ux.intel.com, yao.jin@...ux.intel.com,
        Kan Liang <kan.liang@...ux.intel.com>
Subject: [PATCH V4 05/16] perf/x86/intel/uncore: Add Sapphire Rapids server M2PCIe support

From: Kan Liang <kan.liang@...ux.intel.com>

M2PCIe* blocks manage the interface between the mesh and each IIO stack.

The layout of the control registers for a M2PCIe uncore unit is similar
to a IRP uncore unit.

Reviewed-by: Andi Kleen <ak@...ux.intel.com>
Signed-off-by: Kan Liang <kan.liang@...ux.intel.com>
---
 arch/x86/events/intel/uncore_snbep.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index 8cefeeb..b1bc82c 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -5470,13 +5470,18 @@ static struct intel_uncore_type spr_uncore_irp = {
 
 };
 
+static struct intel_uncore_type spr_uncore_m2pcie = {
+	SPR_UNCORE_COMMON_FORMAT(),
+	.name			= "m2pcie",
+};
+
 #define UNCORE_SPR_NUM_UNCORE_TYPES		12
 
 static struct intel_uncore_type *spr_uncores[UNCORE_SPR_NUM_UNCORE_TYPES] = {
 	&spr_uncore_chabox,
 	&spr_uncore_iio,
 	&spr_uncore_irp,
-	NULL,
+	&spr_uncore_m2pcie,
 	NULL,
 	NULL,
 	NULL,
-- 
2.7.4