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

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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
This commit is contained in:
Alexander Antonov 2022-11-17 12:28:24 +00:00 committed by Peter Zijlstra
parent 4d13be8ab5
commit cee4eebd91
2 changed files with 10 additions and 1 deletions
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7
arch/x86/events/intel/uncore.h
View file

@ -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;
};
};

4
arch/x86/events/intel/uncore_snbep.c
View file

@ -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)