From: Alexander Antonov <alexander.antonov@linux.intel.com>
Date: Thu, 17 Nov 2022 12:28:24 +0000
Subject: perf/x86/intel/uncore: Introduce UPI topology type
Git-commit: cee4eebd9158d9eb3f8c1708c297b219e8ea861f
Patch-mainline: v6.2-rc1
References: bsc#1206824, bsc#1206493, bsc#1206492
X-Info: dependent patch
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
Signed-off-by: Tony Jones <tonyj@suse.de>
---
arch/x86/events/intel/uncore.h | 7 +++++++
arch/x86/events/intel/uncore_snbep.c | 4 +++-
2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/arch/x86/events/intel/uncore.h b/arch/x86/events/intel/uncore.h
index 917cff1e7815..ef1414957623 100644
--- a/arch/x86/events/intel/uncore.h
+++ b/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;
};
};
diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index 469ff889ea08..d3323f13c304 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/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)