perf/x86/intel/uncore: Fix IIO event constraints for Snowridge

According to the latest uncore document, DATA_REQ_OF_CPU (0x83),
DATA_REQ_BY_CPU (0xc0) and COMP_BUF_OCCUPANCY (0xd5) events have
constraints. Add uncore IIO constraints for Snowridge.

Fixes: 210cc5f9db7a ("perf/x86/intel/uncore: Add uncore support for Snow Ridge server")
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/20211115090334.3789-4-alexander.antonov@linux.intel.com

diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index 9aba4ef..3660f69 100644 (file)
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -4529,6 +4529,13 @@ static void snr_iio_cleanup_mapping(struct intel_uncore_type *type)
        pmu_iio_cleanup_mapping(type, &snr_iio_mapping_group);
 }
 
+static struct event_constraint snr_uncore_iio_constraints[] = {
+       UNCORE_EVENT_CONSTRAINT(0x83, 0x3),
+       UNCORE_EVENT_CONSTRAINT(0xc0, 0xc),
+       UNCORE_EVENT_CONSTRAINT(0xd5, 0xc),
+       EVENT_CONSTRAINT_END
+};
+
 static struct intel_uncore_type snr_uncore_iio = {
        .name                   = "iio",
        .num_counters           = 4,
@@ -4540,6 +4547,7 @@ static struct intel_uncore_type snr_uncore_iio = {
        .event_mask_ext         = SNR_IIO_PMON_RAW_EVENT_MASK_EXT,
        .box_ctl                = SNR_IIO_MSR_PMON_BOX_CTL,
        .msr_offset             = SNR_IIO_MSR_OFFSET,
+       .constraints            = snr_uncore_iio_constraints,
        .ops                    = &ivbep_uncore_msr_ops,
        .format_group           = &snr_uncore_iio_format_group,
        .attr_update            = snr_iio_attr_update,