[RESEND PATCH 3/3] Fix IIO event constraints for Snowridge

alexander.antonov
2021-10-20T11:00:42Z

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")
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Alexander Antonov <alexander.antonov@linux.intel.com>
---
arch/x86/events/intel/uncore_snbep.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index 4aa675a8a8eb..2143be4b8e7a 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -4528,6 +4528,13 @@ 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,
@@ -4539,6 +4546,7 @@ 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,
--
2.21.3